1 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6 2006-10-31 Geoffrey Keating <geoffk@apple.com>
8 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
9 inline static functions in c99 mode.
12 * doc/extend.texi (Inline): Update.
13 * c-tree.h (struct language_function): Remove field 'extern_inline'.
14 * c-decl.c (current_extern_inline): Delete.
15 (pop_scope): Adjust test for an undefined nested function.
16 Add warning about undeclared inline function.
17 (diagnose_mismatched_decls): Update comments. Disallow overriding
18 of inline functions in a translation unit in C99. Allow inline
19 declarations in C99 at any time.
20 (merge_decls): Boolize variables. Handle C99 'extern inline'
22 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
24 (start_function): Don't clear current_extern_inline. Don't set
26 (c_push_function_context): Don't push current_extern_inline.
27 (c_pop_function_context): Don't restore current_extern_inline.
30 * c-typeck.c (build_external_ref): Warn about static variables
31 used in extern inline functions.
32 * c-decl.c (start_decl): Warn about static variables declared
33 in extern inline functions.
35 2006-10-31 Roger Sayle <roger@eyesopen.com>
38 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
39 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
40 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
41 or y is an even integer.
43 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
46 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
47 * gthr-posix95.h (__gthread_active_p): Likewise.
49 2006-10-31 Richard Guenther <rguenther@suse.de>
51 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
52 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
53 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
54 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
55 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
56 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
57 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
58 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
61 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
63 * opts.c (decode_options): Disable CSE skip blocks.
65 2006-10-30 Dirk Mueller <dmueller@suse.de>
67 * c-common.h (strict_aliasing_warning): Fix whitespace.
68 * c-decl (start_function): Move code for main decl warning ..
69 * c-common.c (check_main_parameter_types): .. here.
70 * c-common.h (check_main_parameter_types): Declare.
72 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
75 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
77 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
79 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
80 be a PARALLEL containing sets. Return false when out_pat is not
83 2006-10-30 Richard Sandiford <richard@codesourcery.com>
85 * config/mips/mips.md (mul<mode>3): Split into...
86 (mulsi3, muldi3): ...these separate patterns.
88 2006-10-30 Richard Sandiford <richard@codesourcery.com>
90 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
91 but with each set of options separated by spaces.
93 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
95 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
96 dwarf_reg_size_table has been initialized.
98 2006-10-30 Roger Sayle <roger@eyesopen.com>
100 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
101 * ddg.c (print_ddg_edge): Likewise.
102 * dwarf2out.c (prune_unused_types_walk): Likewise.
103 * ifcvt.c (noce_try_cmove_arith): Likewise.
104 * langhooks.c (add_builtin_function): Likewise.
105 * reg-stack.c (subst_stack_regs_pat): Likewise.
106 * tree.c (expanded_location): Likewise.
107 * tree-dump.c (dequeue_and_dump): Likewise.
109 2006-10-30 David Daney <ddaney@avtrex.com>
111 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
113 2006-10-30 Jakub Jelinek <jakub@redhat.com>
115 PR tree-optimization/29637
116 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
117 of the innertype is the innertype itself.
119 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
121 * dwarf2out.c (file_name_acquire): Correct typo.
123 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
125 * tree.h (tree_value_handle): Remove struct value_set declaration.
126 Change value_set to bitmap_set.
127 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
128 * tree-vn.c (get_value_handle): Made inline and moved to
130 * tree-flow-inline.h: (has_stmt_ann): New function.
131 * tree-ssa-pre.c (expressions): New variable.
132 (next_expression_id): Ditto.
133 (alloc_expression_id): New function.
134 (struct value_set): Remove.
135 (get_expression_id): New function.
136 (get_or_alloc_expression_id): Ditto.
137 (expression_for_id): Ditto.
138 (clear_expression_ids): Ditto.
139 (FOR_EACH_EXPR_ID_IN_SET): New macro.
140 (bb_value_sets): Renamed to bb_bitmap_sets.
141 All value sets replaced with bitmap_sets.
143 (BB_VISITED): New macro.
144 (postorder): New variable.
145 (add_to_value): Removed.
146 (value_exists_in_set_bitmap): Ditto.
147 (value_insert_into_set_bitmap): Ditto.
151 (set_contains_value): Ditto.
152 (insert_into_set): Ditto.
154 (find_leader): Ditto.
155 (bitmap_set_subtract_from_value_set): Ditto.
156 (value_insert_into_set): Ditto.
157 (print_value_set): Ditto.
158 (debug_value_set): Ditto.
159 (constant_expr_p): New function.
160 (bitmap_remove_from_set): Ditto.
161 (bitmap_insert_into_set): Ditto.
162 (bitmap_set_free): Ditto.
164 (sorted_array_from_bitmap_set): Ditto.
165 (bitmap_set_subtract): Ditto.
166 (bitmap_set_equal): Ditto.
167 (debug_bitmap_set): Ditto.
168 (find_leader_in_sets): Ditto.
169 (bitmap_set_replace_value): Modify for bitmapped sets.
170 (phi_translate): Ditto.
171 (phi_translate_set): Ditto.
172 (bitmap_find_leader): Ditto.
173 (valid_in_sets): Ditto.
174 (union_contains_value): Ditto.
176 (compute_antic_aux): Ditto. Mark changed blocks.
177 (compute_antic): Ditto. Iterate in postorder and only over
179 (compute_rvuse_and_antic_safe): Reuse postorder.
180 (create_component_ref_by_pieces): Modify for bitmapped sets.
181 (find_or_generate_expression): Ditto.
182 (create_expression_by_pieces): Ditto.
183 (insert_into_preds_of_block): Ditto.
184 (changed_blocks): New variable.
185 (do_regular_insertion): Broken out from insert_aux.
186 (insert_aux): Modified for bitmapped sets.
187 (find_existing_value_expr): New function.
188 (create_value_expr_from): Use it.
189 (insert_extra_phis): Removed.
190 (print_bitmap_set): Renamed from bitmap_print_value_set.
191 (compute_avail): Handle RETURN_EXPR.
192 (init_pre): Modify for bitmapped sets.
193 * tree-flow.h (has_stmt_ann): New function.
195 2006-10-29 Roger Sayle <roger@eyesopen.com>
197 * builtins.c (fold_builtin_floor): Check for the availability of
198 the C99 trunc function before transforming floor into trunc.
200 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
202 * builtins.c (fold_builtin_hypot): Rearrange recursive
203 transformation before others, and also do ABS_EXPR. When
204 necessary, check flag_unsafe_math_optimizations. When necessary,
207 2006-10-29 Roger Sayle <roger@eyesopen.com>
209 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
210 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
211 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
212 Fold -X eq/ne -Y as X eq/ne Y.
214 2006-10-29 Richard Sandiford <richard@codesourcery.com>
216 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
217 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
218 rather than GENERATE_MULT3_SI in the various define_peephole2s.
219 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
220 Use an inclusive test for "mult" rather than "mul".
221 (rotr<mode>3): Depend on ISA_HAS_ROR.
222 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
224 (GENERATE_MULT3_DI): Delete.
225 (ISA_HAS_64BIT_REGS): Use consistent formatting.
226 (ISA_HAS_MUL3): New macro.
227 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
228 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
229 (ISA_HAS_CLZ_CLO): Likewise.
230 (ISA_HAS_DCLZ_DCLO): Delete.
231 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
232 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
233 the VR4120 and VR4130.
234 (ISA_HAS_MACCHI): Use consistent formatting.
235 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
236 (ISA_HAS_ROR): ...this new macro.
237 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
238 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
239 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
241 2006-10-29 Roger Sayle <roger@eyesopen.com>
243 PR tree-optimization/15458
244 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
247 2006-10-29 Richard Guenther <rguenther@suse.de>
249 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
250 (ix86_expand_truncdf_32): Likewise.
251 * config/i386/i386.c (ix86_expand_trunc): New function expanding
252 trunc inline for SSE math and -fno-trapping-math and if not
254 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
255 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
256 for expanding btrunc inline for SSE math.
258 2006-10-29 Joseph Myers <joseph@codesourcery.com>
260 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
261 Handle tuning for bi-arch i[34567]86-*-linux* like that for
262 i[34567]86-*-solaris2.1[0-9]*.
263 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
264 Define conditionally depending on TARGET_64BIT_DEFAULT.
265 (SPEC_32, SPEC_64): Define.
266 (LINK_SPEC): Use them.
267 * doc/install.texi (--enable-targets=all): Document for x86-linux.
269 2006-10-29 Richard Guenther <rguenther@suse.de>
271 * config/i386/i386-protos.h (ix86_expand_round): Declare.
272 (ix86_expand_rounddf_32): Likewise.
273 * config/i386/i386.c (ix86_expand_round): New function expanding
274 round inline for SSE math and -fno-trapping-math and if not
276 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
277 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
278 round via ix86_expand_round.
280 2006-10-29 Richard Guenther <rguenther@suse.de>
282 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
283 (ix86_expand_floorceildf_32): Likewise.
284 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
285 static helper function.
286 (ix86_expand_floorceil): Expander for floor and ceil to SSE
288 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
289 * config/i386/i386.md (floordf2): Adjust to enable floor
290 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
291 -fno-trapping-math is enabled and if not optimizing for size.
292 (floorsf2, ceildf2, ceilsf2): Likewise.
293 * config/i386/sse.md (sse_maskcmpsf3): New insn.
294 (sse2_maskcmpdf3): Likewise.
296 2006-10-29 Richard Guenther <rguenther@suse.de>
298 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
299 rint in case -fno-trapping-math is enabled.
300 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
301 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
302 (ix86_expand_sse_fabs): Likewise.
303 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
304 * config/i386/i386.md (rintdf2): Enable for SSE math if
305 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
308 2006-10-29 Richard Guenther <rguenther@suse.de>
310 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
311 to conversion optabs.
312 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
314 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
315 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
316 (lfloor_optab, lceil_optab): Adjust defines.
317 * builtins.c (expand_builtin_int_roundingfn): Adjust for
318 lfloor and lceil optabs now being conversion optabs.
319 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
320 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
321 New static helper function.
322 (ix86_expand_lfloorceil): New function to expand lfloor and
324 * config/i386/i386.md (lfloor<mode>2): Split into ...
325 (lfloorxf<mode>2): ... x87 variant
326 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
327 using ix86_expand_lfloorceil.
328 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
330 * doc/md.texi (lfloorMN, lceilMN): Document.
332 2006-10-29 Richard Sandiford <richard@codesourcery.com>
334 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
335 -mno-shared assembler option on mips targets.
336 * configure, config.in: Regenerate.
337 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
338 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
339 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
341 2006-10-29 Richard Sandiford <richard@codesourcery.com>
343 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
344 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
346 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
348 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
349 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
352 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
355 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
356 (fold_builtin_pow): Evaluate constant arguments at compile-time
358 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
359 (do_mpfr_ckconv): New helper function.
360 (do_mpfr_arg1): Use do_mpfr_ckconv.
363 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
366 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
367 (-fdump-rtl-sched): Rename to ..
368 (-fdump-rtl-sched1): here. Also fix file extension number.
370 2006-10-28 Richard Guenther <rguenther@suse.de>
372 * fold-const.c (maybe_canonicalize_comparison): Fix code
375 2006-10-28 Uros Bizjak <uros@kss-loka.si>
377 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
378 (NON_QI_REG_P): Use IN_RANGE.
379 (REX_INT_REGNO_P): Use IN_RANGE.
380 (FP_REGNO_P): Use IN_RANGE.
381 (SSE_REGNO_P): Use IN_RANGE.
382 (REX_SSE_REGNO_P): Use IN_RANGE.
383 (MMX_REGNO_P): Use IN_RANGE.
384 (STACK_REGNO_P): New macro.
385 (STACK_REG_P): Use STACK_REGNO_P.
386 (NON_STACK_REG_P): Use STACK_REGNO_P.
387 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
388 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
389 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
390 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
391 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
393 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
395 * except.h (output_function_exception_table): Add 'const char*' param.
396 * except.c (switch_to_exception_section): Add 'const char*' param.
397 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
398 and flag_function_sections is set, use a function-specific section.
399 (output_function_exception_table): Add 'const char*' param.
400 Adjust call to switch_to_exception_section.
401 * final.c (rest_of_handle_final): Adjust calls to
402 output_function_exception_table.
403 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
404 * config.in: Regenerate.
405 * configure: Likewise.
407 2006-10-28 Richard Guenther <rguenther@suse.de>
410 * fold-const.c (maybe_canonicalize_comparison_1): Helper
411 for maybe_canonicalize_comparison.
412 (maybe_canonicalize_comparison): New function for canonicalizing
414 (fold_comparison): Call it to canonicalize comparisons with
417 2006-10-28 Richard Guenther <rguenther@suse.de>
420 * builtins.c (expand_builtin_int_roundingfn_2): Expand
421 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
422 (expand_builtin): Adjust likewise.
423 * genopinit.c (optabs[]): Add lround optab.
424 * optabs.c (init_optabs): Initialize lround_optab.
425 * optabs.h (enum convert_optab_index): Add COI_lround.
426 (lround_optab): Define.
427 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
428 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
430 (ix86_expand_lround): New function.
431 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
433 * doc/md.texi (lroundMN2): Document.
435 2006-10-28 Uros Bizjak <uros@kss-loka.si>
438 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
439 argument to HOST_WIDE_INT. Update function prototype.
440 (round_frame_size): Change return type to HOST_WIDE_INT. Change
441 "size" argument to HOST_WIDE_INT. Update function prototype.
443 2006-10-28 Uros Bizjak <uros@kss-loka.si>
445 * config/i386/i386.c (output_387_ffreep): Create output from a
446 template string for !HAVE_AS_IX86_FFREEP.
448 2006-10-27 Eric Christopher <echristo@apple.com>
450 * config/darwin.c: Fix formatting and grammar.
452 2006-10-27 Jan Hubicka <jh@suse.cz>
454 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
455 to be thrown away soon when IGNORE is set.
456 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
457 indicating when return value shall not be computed.
458 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
460 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
462 * config/i386/i386.h (TARGET_GEODE):
463 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
464 (TARGET_CPU_DEFAULT_geode): New macro.
465 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
466 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
467 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
468 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
469 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
471 (TARGET_CPU_DEFAULT_NAMES): Add geode.
472 (processor_type): Add PROCESSOR_GEODE.
474 * config/i386/i386.md: Include geode.md.
477 * config/i386/i386.c (geode_cost): New initialized global
479 (m_GEODE, m_K6_GEODE): New macros.
480 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
481 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
482 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
483 x86_schedule): Use m_K6_GEODE instead of m_K6.
484 (x86_movx, x86_cmove): Set up m_GEODE.
485 (x86_integer_DFmode_moves): Clear m_GEODE.
486 (processor_target_table): Add entry for geode.
487 (processor_alias_table): Ditto.
489 * config/i386/geode.md: New file.
491 * doc/invoke.texi: Add entry about geode processor.
493 2006-10-27 Mike Stump <mrs@apple.com>
495 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
496 __DYNAMIC__ from here back to ...
497 * config/darwin.h (CPP_SPEC): ... here.
499 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
500 Nathan Sidwell <nathan@codesourcery.com>
502 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
503 when choosing the minimum heapsize.
505 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
507 * gcc/unwind-dw2.h: Move cfa-related variables into
508 struct frame_state_reg_info to ensure that the CFA is properly
509 handled when executing DW_CFA_{remember,restore}_state.
510 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
511 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
512 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
513 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
514 gcc/config/rs6000/linux-unwind.h,
515 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
516 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
517 Modify to use new cfa_* fields.
519 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
521 * config/s390/s390.c (s390_init_frame_layout): Check positive
524 2006-10-26 Ben Elliston <bje@au.ibm.com>
526 * gimplify.c (get_name): Remove extraneous break.
527 (gimplify_omp_for): Initialise ret with GS_OK.
529 2006-10-25 Steve Ellcey <sje@cup.hp.com>
531 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
532 Add unix98.o to link line.
534 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
537 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
538 Calculate compile-time constants using MPFR.
539 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
540 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
542 2006-10-25 Bob Wilson <bob.wilson@acm.org>
544 * config/xtensa/lib2funcs.S: Use C-style comments.
546 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
548 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
549 (file_table_relative_p): Likewise.
550 (dwarf2out_finish): Likewise.
551 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
553 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
555 * tree-ssa-structalias.c (intra_create_variable_infos):
556 Don't recreate nonlocal_all if it already exists.
558 2006-10-25 Richard Guenther <rguenther@suse.de>
561 * optabs.h (enum optab_index): Remove OTI_lrint.
562 (enum convert_optab_index): Add COI_lrint.
563 (lrint_optab): Adjust.
564 (expand_sfix_optab): Declare.
565 * optabs.c (expand_sfix_optab): New function.
566 (init_optabs): Init lrint_optab as conversion optab.
567 * genopinit.c (lrint_optab): Change to a conversion optab.
568 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
569 expansion via conversion optab.
570 * config/i386/i386.md (*fistdi2_1): Remove
571 flag_unsafe_math_optimizations guard.
572 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
573 fist<mode>2_with_temp): Likewise.
574 (lrint<mode>2): Split into...
575 (lrintxf<mode>2): ... x87 part
576 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
577 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
578 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
579 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
580 * doc/md.texi (lrintMN2): Document.
582 2006-10-25 Uros Bizjak <uros@kss-loka.si>
585 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
586 Use inc and dec instructions for TARGET_USE_INCDEC.
587 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
588 ("sync_double_compare_and_swap<mode>"): Likewise.
589 ("*sync_double_compare_and_swapdi_pic"): Likewise.
590 ("*sync_compare_and_swap_cc<mode>"): Likewise.
591 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
592 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
593 ("sync_old_add<mode>"): Likewise.
594 ("sync_lock_test_and_set<mode>"): Likewise.
595 ("sync_lock_test_and_set<mode>"): Likewise.
596 ("sync_add<mode>"): Likewise.
597 ("sync_sub<mode>"): Likewise.
598 ("sync_ior<mode>"): Likewise.
599 ("sync_and<mode>"): Likewise.
600 ("sync_xor<mode>"): Likewise.
602 2006-10-25 Uros Bizjak <uros@kss-loka.si>
604 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
605 (remainder_optab): Define corresponding macro.
606 (drem_optab): Remove.
607 * optabs.c (init_optabs): Initialize remainder_optab. Remove
608 drem_optab initialization.
609 * genopinit.c (optabs): Implement remainder_optab using
610 remainder?f3 patterns. Remove drem_optab.
611 * builtins.c (expand_builtin_mathfn_2): Handle
612 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
613 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
614 expand_builtin_mathfn_2.
616 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
617 depend on flag_unsafe_math_optimizations.
619 * config/i386/i386.md ("remaindersf3", "remainderdf3")
620 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
621 Do not depend on flag_unsafe_math_optimizations. Use
622 truncxf?f expander instead of truncxf?f_i387_noop.
624 ("fpremxf4", "fprem1xf4"): Do not depend on
625 flag_unsafe_math_optimizations.
626 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
627 flag_unsafe_math_optimizations. Use truncxf?f expander
628 instead of truncxf?f_i387_noop.
630 * doc/md.texi (fmod, remainder): Document standard named pattern.
632 2006-10-24 Richard Sandiford <richard@codesourcery.com>
633 David Daney <ddaney@avtrex.com>
636 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
638 2006-10-25 Ben Elliston <bje@au.ibm.com>
640 * doc/extend.texi (Variable Attributes): Typo fix.
642 2006-10-24 Uros Bizjak <uros@kss-loka.si>
644 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
645 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
646 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
647 (FRAME_POINTER_REGNUM): Update register number to 21.
648 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
649 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
651 * config/i386/i386.c (regclass_map): Add fpcr entry.
652 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
654 (print_reg): Assert REGNO (x) != FPCR_REG.
656 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
657 (DIRFLAG_REG): Renumber.
658 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
659 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
660 (sse_prologue_save, *sse_prologue_save_insn): Renumber
661 hardcoded SSE register numbers.
663 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
664 hardcoded MMX register numbers.
666 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
669 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
670 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
672 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
673 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
674 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
675 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
677 2006-10-24 Richard Guenther <rguenther@suse.de>
680 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
681 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
682 for deciding optimizations in consistency with fold-const.c
683 (fold_builtin_unordered_cmp): Likewise.
685 2006-10-24 Richard Guenther <rguenther@suse.de>
687 * builtins.c (fold_builtin_floor): Fold floor (x) where
688 x is nonnegative to trunc (x).
689 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
690 nonnegative to FIX_TRUNC_EXPR.
692 2006-10-24 Richard Guenther <rguenther@suse.de>
694 PR tree-optimization/29567
695 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
696 for TRUTH_NOT_EXPR. Clarify comments.
698 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
702 at compile-time using MPFR. Change parameter VALUE to FUNC,
704 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
705 for overflow and underflow at all times and avoid folding in
708 2006-10-24 Ben Elliston <bje@au.ibm.com>
710 * reload1.c: Formatting fixes.
712 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
714 PR tree-optimization/14784
715 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
716 * tree-ssa-structalias.c (get_constraint_for,
717 intra_create_variable_infos): Set is_heapvar.
718 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
719 non-heapvar pointer variables specially.
721 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * builtins.c (fold_builtin_sin, fold_builtin_cos,
725 fold_builtin_tan): Fold all constant arguments. Take a "type"
726 argument as necessary.
728 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
730 2006-10-23 Bob Wilson <bob.wilson@acm.org>
732 * config/xtensa/lib1funcs.asm: Use C-style comments.
734 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
736 * tree.c (local_define_builtin): Replace calls to
737 lang_hooks.builtin_function with add_builtin_function.
738 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
740 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
742 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
743 common code to add_builtin_function.
744 * langhooks.c (add_builtin_function): New function.
745 (lhd_builtin_function): New function.
746 * langhooks.h (struct lang_hooks): Change the signature of
748 (add_builtin_function): New function.
749 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
750 calls to lang_hooks.builtin_function with add_builtin_function.
751 * c-common.c (decl_builtin_1): Replace calls to
752 lang_hooks.builtin_function with add_builtin_function.
753 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
754 lang_hooks.builtin_function with add_builtin_function.
755 * config/frv/frv.c (def_builtin): Replace calls to
756 lang_hooks.builtin_function with add_builtin_function.
757 * config/s390/s390.c (s390_init_builtins): Replace calls to
758 lang_hooks.builtin_function with add_builtin_function.
759 * config/sparc/sparc.c (def_builtin): Replace calls to
760 lang_hooks.builtin_function with add_builtin_function.
761 * config/i386/i386.c (def_builtin): Replace calls to
762 lang_hooks.builtin_function with add_builtin_function.
763 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
764 lang_hooks.builtin_function with add_builtin_function.
765 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
766 lang_hooks.builtin_function with add_builtin_function.
767 * config/stormy16/stormy16.c (xstormy16_init_builtins):
768 Replace calls to lang_hooks.builtin_function with
769 add_builtin_function.
770 * config/iq2000/iq2000.c (def_builtin):
771 Replace calls to lang_hooks.builtin_function with
772 add_builtin_function.
773 * config/ia64/ia64.c (def_builtin): Replace calls to
774 lang_hooks.builtin_function with add_builtin_function.
775 * config/rs6000/rs6000.c (def_builtin): Replace calls to
776 lang_hooks.builtin_function with add_builtin_function.
777 (altivec_init_builtins): Replace calls to
778 lang_hooks.builtin_function with add_builtin_function.
779 * config/arm/arm.c (def_mbuiltin): Replace calls to
780 lang_hooks.builtin_function with add_builtin_function.
781 (arm_init_tls_builtins): Replace calls to
782 lang_hooks.builtin_function with add_builtin_function.
783 * config/mips/mips.c (mips_init_builtins): Replace calls to
784 lang_hooks.builtin_function with add_builtin_function.
785 * config/bfin/bfin.c (def_builtin): Replace calls to
786 lang_hooks.builtin_function with add_builtin_function.
787 * langhooks-def.h (lhd_builtin_function): New function.
788 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
790 2006-10-23 Jakub Jelinek <jakub@redhat.com>
792 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
793 BUILT_IN_STRNCAT_CHK.
795 2006-10-23 Jan Hubicka <jh@suse.cz>
797 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
798 don't do conversion from memmove to memcpy here.
799 (expand_builtin_bcopy, expand_builtin): Update call of
800 expand_builtin_memmove.
801 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
803 2006-10-23 Paul Brook <paul@codesourcery.com>
805 * stor-layout.c (start_record_layout): maximum_field_alignment
806 overrides STRUCTURE_SIZE_BOUNDARY.
808 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
810 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
811 nonlocal function symbols if flag_pic.
813 2006-10-23 Richard Guenther <rguenther@suse.de>
817 * builtins.c (fold_binary): Remove checks for flag_wrapv
818 and flag_trapv where negate_expr_p covers these cases.
820 2006-10-23 Richard Guenther <rguenther@suse.de>
823 * fold-const.c (fold_plusminus_mult_expr): Check exact power
824 of two on the absolute value.
825 (fold_binary): Fold x * -C to -x * C if x is easily negatable
826 and negating -C does not overflow.
828 2006-10-23 Richard Guenther <rguenther@suse.de>
831 * convert.c (convert_to_real): Fold (float)-x to -(float)x
832 only if not flag_rounding_math.
834 2006-10-22 Richard Sandiford <richard@codesourcery.com>
835 Kaz Kojima <kkojima@gcc.gnu.org>
838 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
839 SImode memory reference for the source of a movua.
840 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
841 (movua): Use an unspec instead of sign_extract. Expect the source
842 to have mode BLKmode.
843 (extv, insv): Use a BLKmode rather than SImode memory reference
844 for the source of a movua.
846 2006-10-22 Jeff Law <law@redhat.com>
847 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/15911
850 * tree-vrp.c (extract_code_and_val_from_cond): New function.
851 (register_edge_assert_for_1): Likewise.
852 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
853 (find_conditional_asserts): Adjust for new function signature.
854 (find_assert_locations): Likewise.
856 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
858 * config/i386/tmmintrin.h: Remove the duplicated content.
860 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
862 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
863 (x86_64-*-*): Likewise.
865 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
866 (override_options): Check SSSE3.
867 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
868 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
869 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
870 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
871 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
872 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
873 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
874 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
875 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
876 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
877 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
878 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
879 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
880 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
881 IX86_BUILTIN_PABSD128.
882 (bdesc_2arg): Add SSSE3.
883 (bdesc_1arg): Likewise.
884 (ix86_init_mmx_sse_builtins): Support SSSE3.
885 (ix86_expand_builtin): Likewise.
886 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
888 * config/i386/i386.md (UNSPEC_PSHUFB): New.
889 (UNSPEC_PSIGN): Likewise.
890 (UNSPEC_PALIGNR): Likewise.
891 Include mmx.md before sse.md.
893 * config/i386/i386.opt: Add -mssse3.
895 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
896 (ssse3_phaddwv4hi3): Likewise.
897 (ssse3_phadddv4si3): Likewise.
898 (ssse3_phadddv2si3): Likewise.
899 (ssse3_phaddswv8hi3): Likewise.
900 (ssse3_phaddswv4hi3): Likewise.
901 (ssse3_phsubwv8hi3): Likewise.
902 (ssse3_phsubwv4hi3): Likewise.
903 (ssse3_phsubdv4si3): Likewise.
904 (ssse3_phsubdv2si3): Likewise.
905 (ssse3_phsubswv8hi3): Likewise.
906 (ssse3_phsubswv4hi3): Likewise.
907 (ssse3_pmaddubswv8hi3): Likewise.
908 (ssse3_pmaddubswv4hi3): Likewise.
909 (ssse3_pmulhrswv8hi3): Likewise.
910 (ssse3_pmulhrswv4hi3): Likewise.
911 (ssse3_pshufbv16qi3): Likewise.
912 (ssse3_pshufbv8qi3): Likewise.
913 (ssse3_psign<mode>3): Likewise.
914 (ssse3_psign<mode>3): Likewise.
915 (ssse3_palignrti): Likewise.
916 (ssse3_palignrdi): Likewise.
917 (abs<mode>2): Likewise.
918 (abs<mode>2): Likewise.
920 * config/i386/tmmintrin.h: New file.
922 * doc/extend.texi: Document SSSE3 built-in functions.
924 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
926 2006-10-22 Ira Rosen <irar@il.ibm.com>
928 * tree-vect-transform.c (vectorizable_load): Use the type of the
929 return value of the mask_for_load builtin to create realign_load
932 2006-10-22 Richard Sandiford <richard@codesourcery.com>
934 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
937 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
939 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
940 (UNSPEC_LDDQU): This.
941 * config/i386/sse.md (sse3_lddqu): Updated.
943 2006-10-21 Richard Guenther <rguenther@suse.de>
945 * builtins.c (expand_builtin_int_roundingfn_2): New function.
946 (expand_builtin): Use it to expand lrint instead of
947 expand_builtin_mathfn.
949 2006-10-21 Uros Bizjak <uros@kss-loka.si>
952 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
953 flag_unsafe_math_optimizations is set.
955 2006-10-21 Uros Bizjak <uros@kss-loka.si>
958 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
959 patterns to use memory input operand in x87->mem->XMM
960 reload sequences. Skip transformation for TARGET_K8.
962 2006-10-21 Uros Bizjak <uros@kss-loka.si>
964 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
965 force operand1 to register if both operands are memory operands.
966 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
967 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
968 if both operands are memory operands.
969 (truncdfsf2): Do not force operand1 to register if both operands
972 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * Makefile.in (LIBS): Add $(GMPLIBS).
975 * doc/install.texi: Update GMP and MPFR requirements.
976 * doc/sourcebuild.texi (need_gmp): Delete.
978 2006-10-21 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/3511
981 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
982 got new invariant arguments during PHI translation.
984 2006-10-21 Richard Guenther <rguenther@suse.de>
987 * fold-const.c (fold_comparison): Fold signed comparisons
988 of the form X +- C1 CMP Y +- C2.
990 2006-10-21 Richard Guenther <rguenther@suse.de>
993 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
994 if flag_unsafe_math_optimizations is specified. We have
995 flag_finite_math_only for that.
996 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
997 or flag_unsafe_math_optimizations.
999 2006-10-21 Richard Guenther <rguenther@suse.de>
1001 * builtins.c (fold_builtin_classify): Fix typo.
1003 2006-10-21 Richard Guenther <rguenther@suse.de>
1006 * simplify-rtx.c (simplify_const_relational_operation):
1007 Do not constant-fold ORDERED and UNORDERED for
1008 flag_unsafe_math_optimizations but only we do not need to
1009 honor NaNs for the given mode.
1011 2006-10-21 Richard Guenther <rguenther@suse.de>
1014 * config/i386/i386.c (classify_argument): Remove redundant
1015 walking of the BINFOs.
1016 (contains_128bit_aligned_vector_p): Likewise.
1018 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1020 * BASE-VER: Set to 4.3.0.
1022 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1024 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1025 (tree_decl_with_vis): Remove artificial_pta_var flag.
1026 * tree-flow.h (referenced_var_check_and_insert): Expose.
1027 (nonlocal_all): New prototype.
1028 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1029 (nonlocal_all): Make global.
1030 (nonlocal_lookup): Remove.
1031 (nonlocal_insert): Ditto.
1032 (create_nonlocal_var): Do not call nonlocal_insert.
1033 (get_nonlocal_id_for_type): Remove.
1034 (find_global_initializers): Mark new vars we find for renaming.
1035 (intra_create_variable_infos): Only create one nonlocal.
1036 (expand_nonlocal_solutions): Remove.
1037 (compute_points_to_sets): Don't call it.
1038 (ipa_pta_execute): Ditto.
1039 (init_alias_heapvars): Don't create nonlocal_for_type.
1040 (delete_alias_heapvars): Don't remove it.
1041 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1044 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1046 * doc/install.texi (Downloading GCC): Clarify mention of
1047 Fortran in the "full distribution" description.
1049 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1051 Fix PR tree-optimization/28778
1052 Fix PR tree-optimization/29156
1053 Fix PR tree-optimization/29415
1054 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1055 (tree_decl_with_vis): Add artificial_pta_var flag.
1056 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1057 pushed into callers.
1058 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1059 (nonlocal_all): Ditto.
1060 (struct variable_info): Add directly_dereferenced member.
1061 (var_escaped_vars): New variable.
1062 (escaped_vars_tree): Ditto.
1063 (escaped_vars_id): Ditto.
1064 (nonlocal_vars_id): Ditto.
1065 (new_var_info): Set directly_dereferenced.
1066 (graph_size): New variable
1067 (build_constraint_graph): Use graph_size.
1068 (solve_graph): Don't process constraints that cannot change the
1069 solution, don't try to propagate an empty solution to our
1071 (process_constraint): Set directly_dereferenced.
1072 (could_have_pointers): New function.
1073 (get_constraint_for_component_ref): Don't process STRING_CST.
1074 (nonlocal_lookup): New function.
1075 (nonlocal_insert): Ditto.
1076 (create_nonlocal_var): Ditto.
1077 (get_nonlocal_id_for_type): Ditto.
1078 (get_constraint_for): Allow results vector to be empty in the case
1079 of string constants.
1080 Handle results of calls properly.
1081 (update_alias_info): Update alias info stats on number and type of
1083 (find_func_aliases): Use could_have_pointers.
1084 (make_constraint_from_escaped): Renamed from
1085 make_constraint_to_anything, and changed to make constraints from
1087 (make_constraint_to_escaped): New function.
1088 (find_global_initializers): Ditto.
1089 (create_variable_info_for): Make constraint from escaped to any
1090 global variable, and from any global variable to the set of
1092 (intra_create_variable_infos): Deal with escaped instead of
1093 pointing to anything.
1094 (set_uids_in_ptset): Do type pruning on directly dereferenced
1096 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1097 (init_base_vars): Fix comment, and initialize escaped_vars.
1098 (need_to_solve): Removed.
1099 (find_escape_constraints): New function.
1100 (expand_nonlocal_solutions): Ditto.
1101 (compute_points_to_sets): Call find_escape_constraints and
1102 expand_nonlocal_solutions.
1103 (delete_points_to_sets): Don't fall off the end of the graph.
1104 (init_alias_heapvars): Initialize nonlocal_for_type and
1106 (delete_alias_heapvars): Free nonlocal_for_type and null out
1109 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1111 * fold-const.c (add_double): Rename to add_double_with_sign.
1112 Add 'unsigned_p' parameter and take it into account for the overflow.
1113 (mul_double): Rename to mul_double_with_sign.
1114 Add 'unsigned_p' parameter and take it into account for the overflow.
1115 (fold_div_compare): Call add_double_with_sign instead of add_double
1116 and mul_double_with_sign instead of mul_double, passing them the
1117 unsignedness of the type.
1118 * tree.h (add_double): Macroize.
1119 (add_double_with_sign): New prototype.
1120 (mul_double): Macroize.
1121 (mul_double_with_sign): New prototype.
1123 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1125 * config/score/crti.asm: New file.
1126 * config/score/crtn.asm: New file.
1127 * config/score/elf.h: New file.
1128 * config/score/mac.md: New file.
1129 * config/score/misc.md: New file.
1130 * config/score/mul-div.S: New file.
1131 * config/score/predicates.md: New file.
1132 * config/score/score7.md: New file.
1133 * config/score/score.c: New file.
1134 * config/score/score-conv.h: New file.
1135 * config/score/score.h: New file.
1136 * config/score/score.md: New file.
1137 * config/score/score-mdaux.c: New file.
1138 * config/score/score-mdaux.h: New file.
1139 * config/score/score-modes.def: New file.
1140 * config/score/score.opt: New file.
1141 * config/score/score-protos.h: New file.
1142 * config/score/score-version.h: New file.
1143 * config/score/t-score-elf: New file.
1144 * config.gcc: Add score*-*-* configurations(Update before).
1145 * doc/invoke.texi (Score Options): New section.
1146 * doc/md.texi (Score family): New section to document constraints.
1148 2006-10-19 Nick Clifton <nickc@redhat.com>
1150 * config/arm/arm.c: Fix spelling typo.
1152 2006-10-18 Tom Tromey <tromey@redhat.com>
1154 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1156 2006-10-18 Jan Hubicka <jh@suse.cz>
1159 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1162 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1164 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1165 TSI_SAME_STMT, since that's the desired entity.
1167 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1169 * config/s390/contraints.md: New file.
1170 * config/s390/s390-protos.h (s390_mem_constraint,
1171 s390_O_constraint_str, s390_N_constraint_str,
1172 s390_float_const_zero_p): Function prototypes added.
1173 * config/s390/s390.c (s390_extra_constraint_str,
1174 s390_const_double_ok_for_constraint_p,
1175 s390_const_ok_for_constraint_p): Functions removed.
1176 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1177 s390_float_const_zero_p): New functions.
1178 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1179 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1180 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1181 Macro definitions removed.
1182 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1183 s390_extra_constraint_str): Functions removed.
1185 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1186 Richard Sandiford <richard@codesourcery.com>
1189 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1190 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1192 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1194 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1195 (DWARF2_FRAME_REG_OUT): Likewise.
1196 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1197 (DWARF2_FRAME_REG_OUT): Likewise.
1199 2006-10-17 Paul Brook <paul@codesourcery.com>
1201 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1203 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1205 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1206 Standardize on "GNU Fortran" as the official name of the Fortran
1209 2006-10-16 Mike Stump <mrs@apple.com>
1211 * doc/invoke.texi (Darwin Options): Document -mkernel.
1212 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1214 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1215 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1216 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1217 (OS_MISSING_ALTIVEC): Add.
1218 * config/i386/i386.c (override_options): Add
1219 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1220 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1221 -mkernel, -static or -mdynamic-no-pic is given.
1222 (C_COMMON_OVERRIDE_OPTIONS): Add.
1223 * config/darwin.opt (fapple-kext): Add.
1225 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1226 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1228 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1229 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1230 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1231 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1232 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1233 (flag_mkernel): Add.
1234 (flag_apple_kext): Add.
1235 (TARGET_KEXTABI): Add.
1236 * config/darwin.c (darwin_handle_kext_attribute): Add.
1237 (DARWIN_VTABLE_P): Add.
1238 (darwin_binds_local_p): Add partial support for rebinding vtables
1240 (darwin_kextabi_p): Add.
1241 (darwin_override_options): Add.
1242 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1243 (darwin_kextabi_p): Add.
1244 (darwin_override_options): Add.
1245 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1246 __DYNAMIC__ and __STATIC__ here.
1248 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1250 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1251 Added mention of "make pdf" target, and Texinfo requirements for
1254 2006-10-16 DJ Delorie <dj@redhat.com>
1256 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1257 into the GOT in case we need a subreg of the address.
1259 2006-10-16 Richard Guenther <rguenther@suse.de>
1262 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1263 SSE builtin documentation. Document SSE2 builtins.
1265 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1267 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1268 symbol in the output file for non-shared links when -nostdlib or
1269 -nodefaultlibs isn't specified.
1271 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1272 posix thread support.
1274 2006-10-15 Jan Hubicka <jh@suse.cz>
1277 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1278 declared always_inline even when not inlining.
1280 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1281 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1282 Andrew Pinski <pinskia@gmail.com>
1285 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1287 2006-10-15 Jan Hubicka <jh@suse.cz>
1288 Richard Guenther <rguenther@suse.de>
1291 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1292 process_function_and_variable_attributes on all variables, including
1293 those discovered during cgraph construction phase.
1295 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1297 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1299 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1301 * config/i386/athlon.md (athlon_fist): Add fisttp.
1303 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1304 Ian Lance Taylor <ian@airs.com>
1307 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1308 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1311 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1313 * config/score/score.c, config/score/score.h: Fix comment
1316 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1319 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1322 2006-10-13 Eric Christopher <echristo@apple.com>
1324 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1326 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1329 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1330 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1331 alignment supported by 32-bit ELF.
1333 2006-10-13 Eric Christopher <echristo@apple.com>
1335 * config/darwin.c (darwin_emit_unwind_label): Strip
1336 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1338 2006-10-13 Richard Guenther <rguenther@suse.de>
1340 PR tree-optimization/29446
1341 * tree-vrp.c (fix_equivalence_set): Remove.
1342 (extract_range_from_assert): Do not call fix_equivalence_set.
1343 (debug_value_range): Print a newline.
1344 (compare_name_with_value): For equivalence sets with
1345 inconsistent value ranges conservatively bail out.
1346 (compare_names): Likewise.
1348 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1350 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1351 and MPFR for gfortran.
1353 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1355 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1356 alignment supported by 32-bit ELF.
1358 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1362 * c-typeck.c (digest_init): Always allow initializing vectors
1363 that have static storage duration with compound literals.
1364 * tree.c (build_type_attribute_qual_variant): New, based on
1365 build_type_attribute_variant.
1366 (build_type_attribute_variant): Rewrite using the former.
1367 (make_vector_type): Use build_type_attribute_qual_variant to build
1368 type variants. Use type_hash_canon on the others.
1370 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1371 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1373 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1375 2006-10-12 Jan Hubicka <jh@suse.cz>
1378 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1379 current_function_decl is set but current_function_scope is not.
1381 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1383 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1384 emit_insn to emit eh_return_internal instruction.
1385 (eh_return_internal): Explicitly set pc.
1387 2006-10-11 Richard Guenther <rguenther@suse.de>
1389 PR tree-optimization/28230
1390 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1391 to the correct place.
1393 2006-10-11 Richard Guenther <rguenther@suse.de>
1396 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1399 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1401 * configure.ac: Added pdf to "Make-hooks"
1402 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1403 targets and *.pdf file patterns in cleanup targets.
1404 * configure: Regenerated.
1406 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1408 * config/avr/predicates.md: New file.
1409 * config/avr/avr.md: Include it.
1410 (REG_SP): New constant.
1411 (peepholes): Use predicates.
1412 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1413 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1414 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1416 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1418 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1421 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1424 * builtins.c (var_decl_component_p): New function.
1425 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1426 single entry optimization to variables and components thereof.
1428 2006-10-10 Richard Guenther <rguenther@suse.de>
1430 PR rtl-optimization/29323
1431 * except.c (set_nothrow_function_flags): For functions
1432 that do not bind local bail out early.
1434 2006-10-10 Ben Elliston <bje@au.ibm.com>
1436 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1439 2006-10-09 Richard Henderson <rth@redhat.com>
1441 Revert emutls patch.
1443 2006-10-09 Richard Guenther <rguenther@suse.de>
1446 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1449 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1452 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1453 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1454 * configure: Regenerate.
1455 * config.in: Regenerate.
1457 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1459 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1461 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1463 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1464 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1465 Remove stray newline.
1467 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1469 * config/mips/mips.c (mips_classify_symbol): Do not return
1470 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1471 (mips_in_small_data_p): Tweak comments.
1473 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1475 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1477 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1479 * gimplify.c, sched-int.h: Fix comment typos.
1481 * sched-int.h: Fix comment typos.
1483 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1485 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1487 * sched-ebb.c (begin_schedule_ready): Use them.
1488 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1489 add_to_speculative_block, create_check_block_twin, speculate_insn,
1490 fix_jump_move, move_block_after_check): Ditto.
1491 * sched-rgn.c (new_ready): Ditto.
1493 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1495 PR rtl-optimization/29128
1496 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1497 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1498 allow interblock movement of speculation checks.
1500 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1503 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1504 casted to integer type.
1505 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1506 if they are significantly more expensive than [reg + index] ones.
1508 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1510 PR tree-optimization/29330
1511 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1512 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1513 on newly allocated ddrs.
1514 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1515 to VEC (loop_p, heap) pointer.
1516 (compute_data_dependences_for_loop): Adjust caller.
1517 (free_dependence_relations): Free DDR_LOOP_NEST.
1519 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1520 free DEPENDENCE_RELATIONS and DATAREFS.
1523 * builtins.c (expand_builtin_sync_operation,
1524 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1525 Use convert_to_mode to handle promoted arguments.
1527 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1529 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1531 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1533 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1535 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1537 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1538 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1539 Use <modeconstraint> instead of "r" as operand 1 constraint.
1541 2006-10-06 Olivier Hainque <hainque@adacore.com>
1543 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1544 Don't recurse on the pointed-to type.
1545 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1546 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1547 types with components of variable size.
1549 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1551 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1553 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1555 PR tree-optimization/29290
1556 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1560 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1561 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1564 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1565 the number of vector elements fill the rest with zeros.
1567 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1569 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1570 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1573 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1575 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1576 unnamed pattern into subsi3. Use correct constraints/predicates.
1577 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1578 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1580 2006-10-05 Ira Rosen <irar@il.ibm.com>
1582 * doc/loop.texi: Add data references analysis description.
1584 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1586 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1588 2006-10-04 Richard Henderson <rth@redhat.com>
1589 Jakub Jelinek <jakub@redhat.com>
1591 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1592 * builtin-types.def (BT_WORD): Make unsigned.
1593 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1594 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1595 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1596 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1597 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1598 * cgraph.c (decide_is_variable_needed): Look at force_output.
1599 Recurse for emulated tls.
1600 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1601 checks redundant with decide_is_variable_needed.
1602 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1603 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1605 * expr.c (emutls_var_address): New.
1606 (expand_expr_real_1): Expand emulated tls.
1607 (expand_expr_addr_expr_1): Likewise.
1608 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1609 * output.h (emutls_finish): Declare.
1610 * toplev.c (compile_file): Call it.
1611 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1612 address before wrapping in CONST.
1613 * varasm.c (emutls_htab, emutls_object_type): New.
1614 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1615 (get_emutls_object_name, get_emutls_object_type): New.
1616 (get_emutls_init_templ_addr, emutls_decl): New.
1617 (emutls_common_1, emutls_finish): New.
1618 (assemble_variable): When emulating tls, swap decls; generate
1619 constructor for the emutls objects.
1620 (do_assemble_alias): When emulating tls, swap decl and target name.
1621 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1623 * emutls.c: New file.
1624 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1625 tls_object for real tls.
1627 2006-10-04 Zack Weinberg <zackw@panix.com>
1629 Fix bug in constraint-check generator, reported by Rask Ingemann
1631 * genpreds.c (add_constraint): Don't remove anything from the
1633 (write_tm_constrs_h): Detect whether "op" argument is used, and
1634 mark it ARG_UNUSED if it isn't.
1635 (write_insn_const_int_ok_for_constraint): Skip the part of the
1636 expression that would test whether "op" (which is not available
1637 here) is a CONST_INT.
1639 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1642 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1644 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1646 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1647 current Leopard versions.
1648 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1650 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1652 * doc/install.texi: Fix typos.
1654 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1656 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1657 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1658 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1660 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1662 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1663 arg to be struct mach_header_64* instead.
1665 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1668 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1669 side effects after the outer expression's post side effects.
1671 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1673 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1674 comments to reflect actual behavior and relationship between
1675 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1677 * doc/c-tree.texi (Working with declarations): Fix documentation
1678 of FIELD_DECL likewise.
1680 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1683 * doc/extend.texi: Add used variable attribute description.
1685 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1688 * c.opt (Woverride-init): New.
1689 * c-opts.c (c_common_post_options): Default warn_override_init to
1691 * c-typeck.c (add_pending_init, output_init_element): Warn for
1692 overriding initializers without side effects.
1693 * doc/invoke.texi (-Woverride-init): Document.
1696 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1698 PR rtl-optimization/28096
1699 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1700 assignment has already been used as a destination earlier in the block.
1702 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1704 * builtins.c (expand_builtin_setjmp): Delete.
1705 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1706 <BUILT_IN_SETJMP_SETUP>: New case.
1707 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1708 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1709 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1710 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1711 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1712 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1713 (lower_function_body): Initialize it to false. If it is set to true
1714 at the end of the processing, emit the setjmp dispatcher.
1715 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1716 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1717 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1718 on the rhs of the assignment.
1719 (lower_builtin_setjmp): New function.
1720 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1721 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1722 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1723 to detect calls that can go to non-local labels. Use specific
1724 helper to create the abnormal edges associated with them.
1725 <MODIFY_EXPR>: Likewise.
1726 (make_abnormal_goto_edges): New function extracted from...
1727 (make_goto_expr_edges): ...here. Call it for computed gotos.
1728 (simple_goto_p): Minor tweak.
1729 (tree_can_make_abnormal_goto): New predicate.
1730 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1731 (tree_purge_dead_abnormal_call_edges): New function.
1732 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1733 (tree_purge_dead_abnormal_call_edges): Likewise.
1734 (make_abnormal_goto_edges): Likewise.
1735 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1736 Purge all dead abnormal edges if the call was in the last statement.
1737 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1738 (execute_fixup_cfg): If there are non-local labels in the function,
1739 scan the basic blocks and split them at calls that can go to non-local
1740 labels or add missing abnormal call edges. Write down the CFG in the
1742 (pass_fixup_cfg): Remove TODO_dump_func flag.
1743 * unwind-sjlj.c: Poison setjmp.
1744 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1745 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1746 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1747 (DONT_USE_BUILTIN_SETJMP): Document it.
1749 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1752 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1753 to 1 when __ppc64__ is defined.
1754 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1756 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1758 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1760 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1761 * config/ia64/unwind-hpux.c: Delete.
1763 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1765 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1766 on the element before gimplifying it, instead of punting if it is of
1769 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1771 * doc/loop.texi: New file.
1772 * doc/gccint.texi: Reference loop.texi.
1773 * Makefile.in (loop.texi): Add.
1775 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1777 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1779 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1780 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1782 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1784 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1786 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1788 * doc/install.texi: Document required versions of GMP and MPFR.
1790 2006-09-27 Paul Brook <paul@codesourcery.com>
1793 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1795 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1797 * reload1.c (alter_reg): Require the alignment of the stack slot to
1798 be at least reg_max_ref_width bytes.
1799 (scan_paradoxical_subregs): Record the largest width in
1802 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1806 * tree-nested.c (struct nesting_info): Added static_chain_added.
1807 (convert_call_expr): Set static_chain_added when adding static
1808 chain. Handle OMP_PARALLEL and OMP_SECTION.
1810 2006-09-25 Matthias Klose <doko@debian.org>
1812 * doc/invoke.texi: Add missing full stop.
1814 2006-09-25 Richard Henderson <rth@redhat.com>
1816 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1817 before cgraph_function_flags_ready.
1819 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1820 Adam Nemet <anemet@caviumnetworks.com>
1822 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1823 determine_common_wider_type): New functions.
1824 (get_computation_aff): Use them to simplify arithmetic between
1825 UBASE and CBASE if they are shortened from the same type.
1827 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1830 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1831 -2147483647 - 1 instead of 0x80000000.
1833 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1835 * flags.h (HONOR_NANS): Fix typo in comment.
1837 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1839 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1841 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1845 * tree.c (merge_attributes, attribute_list_contained): If both
1846 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1848 * c-typeck.c (comptypes_internal): Don't consider aggregates
1849 in different TUs as compatible if there one set of attributes is
1850 not a subset of the other type's attributes.
1851 (composite_type): Try harder not to create a new aggregate type.
1853 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1855 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1856 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1857 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1858 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1859 than replicating condition above.
1860 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1862 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1863 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1864 the linker by default.
1866 2006-09-22 Mike Stump <mrs@apple.com>
1868 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1871 2006-09-22 Richard Guenther <rguenther@suse.de>
1874 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1875 sort of stack variables stable.
1877 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1880 * explow.c (force_reg): Set REG_POINTER flag according to
1883 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1885 PR tree-optimization/28888
1886 * tree-if-conv.c (combine_blocks): Rewritten.
1887 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1888 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1890 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1892 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1895 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1897 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1899 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1901 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1903 2006-09-21 Roger Sayle <roger@eyesopen.com>
1906 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1907 dw_fde_current_label, to be the start of the function, i.e. the same
1908 value as dw_fde_begin.
1910 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1912 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1913 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1914 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1915 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1916 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1917 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1918 (abs<mode>2, neg<mode>2): Likewise.
1919 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1920 (*mips_abs_ps): New define_insn.
1922 2006-09-20 Josh Conner <jconner@apple.com>
1925 * calls.c (expand_call): Allow reuse of structure return stack
1928 2006-09-20 Paul Brook <paul@codesourcery.com>
1930 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1933 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1935 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1936 clean up terminology.
1938 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1941 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1942 with tablejumps in them.
1944 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1947 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1948 wrap it into TARGET_EXPR.
1950 2006-09-20 Eric Christopher <echristo@apple.com>
1952 * config/i386/i386.c (x86_fisttp): Remove.
1953 * config/i386/i386.h (x86_fisttp): Ditto.
1954 (TARGET_FISTTP): Ditto.
1956 2006-09-19 Eric Christopher <echristo@apple.com>
1958 * doc/tm.texi (OBJC_JBLEN): Describe.
1959 * config/i386/darwin.h (OBJC_JBLEN): Define.
1960 * config/rs6000/darwin.h: Ditto.
1962 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1964 PR rtl-optimization/21299
1965 * reload1.c (reload): Purge invalid ASMs in the final pass.
1967 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1970 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1971 pointers as legitimate constants.
1973 2006-09-19 Paul Brook <paul@codesourcery.com>
1976 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1978 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1980 PR tree-optimization/28887
1981 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1982 component parts from the reference.
1983 (gather_memory_references_ref): Record the reference without the
1984 nonaddressable component parts.
1986 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1989 * c-opts.c (c_common_handle_option): Ignore the -std options
1990 if the input language is assembly.
1992 2006-09-17 Ira Rosen <irar@il.ibm.com>
1995 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1997 (ptr_ptr_may_alias_p): Likewise.
1998 (record_record_differ_p): New function.
1999 (base_object_differ_p): Call record_record_differ_p.
2001 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2004 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2005 away for the expr argument.
2007 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2010 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2011 before using it for dumping after vectorizing loops.
2013 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2014 Jack Howarth <howarth@bromo.med.uc.edu>
2017 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2018 skip on error_mark_node.
2019 (rs6000_darwin64_record_arg_recurse): Likewise.
2021 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2023 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2024 * doc/rtl.texi: Remove related documentation.
2026 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2028 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2031 2006-09-15 Jim Wilson <wilson@specifix.com>
2033 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2034 Handle symbol offsets same as they are handled in ia64_expand_move
2037 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2039 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2040 Add forgotten parameter to the fprintf call.
2042 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2044 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2046 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2048 * doc/contrib.texi: Add my entry.
2050 2006-09-15 Nick Clifton <nickc@redhat.com>
2052 * doc/md.texi (Processor pipeline description): Fix typo in
2053 example of how to use the absence_set directive and reword the
2054 description to make it slightly easier to read.
2056 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2058 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2059 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2060 expanding the number of iterations.
2061 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2063 * cfgrtl.c (emit_insn_at_entry): New function.
2064 * rtl.h (emit_insn_at_entry): Declare it.
2065 * integrate.c (emit_initial_value_sets): Use it.
2067 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2069 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2071 (struct loop_work and related VEC declarations): Delete.
2072 (bfin_dump_loops): Print out new member bad.
2073 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2074 (bfin_scan_loop): Don't recurse.
2075 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2076 loops. No longer need to update outer loops if the current one is
2077 found bad. Move some validitiy checks to bfin_discover_loop.
2078 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2079 but changed not to check for nesting. Also changed to use the new bad
2081 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2082 time. Use bitmap based test to discover loop nesting.
2084 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2086 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2089 2006-09-14 Richard Guenther <rguenther@suse.de>
2090 Kazu Hirata <kazu@codesourcery.com>
2092 PR middle-end/28884.
2093 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2094 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2095 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2096 with TARGET_FUNCTION_VALUE.
2098 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2101 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2103 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2105 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2108 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2111 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2114 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2116 * basic_block.h (bb_has_eh_pred): Fix comment.
2118 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2120 * flow.c (calculate_global_regs_live): Invalidate eh registers
2121 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2122 (propagate_block): Handle eh registers as if they were set at basic
2124 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2126 * global.c (global_conflicts): Make eh registers to conflict with
2127 pseudos live at basic block begin.
2128 * basic_block.h (bb_has_eh_pred): New function.
2130 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2132 PR rtl-optimization/28982
2133 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2134 index of a PRE_MODIFY or POST_MODIFY address.
2135 * reload1.c (inc_for_reload): Use find_replacement on the original
2136 base and index registers.
2138 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2140 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2141 for -Os. Update __m128 alignment requirement.
2143 2006-09-13 Jan Hubicka <jh@suse.cz>
2145 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2147 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2149 PR rtl-optimization/28243
2150 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2151 the insn to which the note was originally attached.
2153 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2154 Roger Sayle <roger@eyesopen.com>
2156 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2157 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2158 on platforms that don't use dwarf for debug info.
2160 2006-09-12 Jason Merrill <jason@redhat.com>
2163 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2164 hard_frame_pointer_rtx after using it to update the frame pointer.
2166 2006-09-12 Roger Sayle <roger@eyesopen.com>
2168 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2169 (TARGET_ASM_CLOSE_PAREN): Likewise.
2170 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2171 (TARGET_ASM_CLOSE_PAREN): Likewise.
2173 2006-09-12 Roger Sayle <roger@eyesopen.com>
2176 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2177 frame information for frames larger than 512 Kbytes on Tru64 when
2178 using the native assembler.
2180 2006-09-12 Roger Sayle <roger@eyesopen.com>
2184 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2185 and symbols. Instead use the implementation from cse.c's hash_rtx.
2187 2006-09-12 Jan Hubicka <jh@suse.cz>
2189 PR rtl-optimization/28071
2190 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2191 (vect_transform_loop): Likewise.
2192 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2193 (new_loop_vec_info): Likewise.
2194 (destroy_loop_vec_info): Likewise.
2195 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2196 (create_stmt_ann): Likewise.
2197 (create_tree_ann): Rename to ...
2198 (create_tree_common_ann): ... this one; allocate only the common part
2200 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2201 (get_value_handle): Likewise.
2202 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2203 get_tree_common_ann.
2204 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2205 (vinfo_for_stmt): Use stmt annotations.
2206 * tree-flow.h (tree_ann_common_t): New type.
2207 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2208 (tree_ann, get_tree_ann, create_tree_ann): New.
2209 * tree-flow-inline.h (get_function_ann): Do more type checking.
2210 (stmt_ann): Likewise.
2211 (tree_ann): Rename to ...
2212 (tree_common_ann): ... this one; return ony common_ann
2213 (get_tree_ann): Rename to ...
2214 (tree_common_ann): This one; return only common_ann.
2215 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2218 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2220 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2221 with_cpu by default.
2223 * dwarf2out.c (dwarf_file_data): New.
2224 (enum dw_val_class): Add dw_val_class_file.
2225 (struct dw_val_struct): Add val_file.
2226 (file_table): Change to a hash table.
2227 (file_table_emitted): Delete.
2228 (file_table_last_lookup_index): Delete.
2229 (emitcount): Delete.
2230 (last_emitted_file): New.
2231 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2232 (init_file_table): Delete.
2233 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2234 (AT_addr): Add comment.
2238 (print_die): Handle dw_val_class_file.
2239 (print_dwarf_line_table): Update for new file table structure.
2240 (attr_checksum): Do checksum a filename.
2241 (same_dw_val_p, same_attr_p): Do compare a filename.
2242 (size_of_die): Handle dw_val_class_file.
2243 (value_format): Likewise.
2244 (output_die): Likewise. Also, call maybe_emit_file here.
2245 (struct file_info): Constify filenames. Make file_idx a pointer
2246 to a struct dwarf_file_data.
2247 (struct dir_info): Constify directory names. Remove 'used' field.
2248 (struct file_name_acquire_data): New.
2249 (file_name_acquire): New.
2250 (output_file_names): Modify to handle new file data structures.
2251 (add_src_coords_attributes): Use add_AT_file.
2252 (add_call_src_coords_attributes): Likewise.
2253 (dwarf2out_imported_module_or_decl): Likewise.
2254 (gen_subprogram_die): Modify for new file data structures.
2255 (gen_variable_die): Likewise.
2256 (file_table_eq): New.
2257 (file_table_hash): New.
2258 (file_table_last_lookup): New.
2259 (lookup_filename): Rewrite to handle new file data structures.
2260 (maybe_emit_file): Rewrite to handle new file data structures.
2261 (dwarf2out_source_line): Always call lookup_filename and
2263 (dwarf2out_init): Create file_table here.
2264 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2265 (file_table_relative_p): New.
2266 (dwarf2out_finish): Change detection of relative filenames
2267 to work with new file data structures. Move output_line_info call
2268 after debug_info output.
2270 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2275 * config/i386/i386.c (override_options): Always default to 16
2276 byte stack boundary.
2278 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2281 * var-tracking.c (dump_dataflow_set): Start dumping at
2283 (clobber_variable_part): Kill only the variable part in
2284 registers holding it, leaving other variables alone.
2286 2006-09-11 Josh Triplett <josh@freedesktop.org>
2288 * doc/extend.texi (Other Builtins): Actually use the macro
2289 argument in the documentation example for
2290 __builtin_types_compatible_p.
2292 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2294 PR rtl-optimization/28726
2295 * sched-deps.c (sched_analyze_reg): New function extracted from...
2296 (sched_analyze_1): ...here. Call it to analyze references to
2297 registers. Treat again writes to a stack register as writing to the
2299 (sched_analyze_2): ...and here. Call it to analyze references to
2300 registers. Treat again reads of a stack register as reading the
2303 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2304 David Edelsohn <edelsohn@gnu.org>
2307 * config/rs6000/spe.md (frob_df_di): Remove %H.
2308 (frob_di_df): Remove %H. Change evmergelo to mr.
2309 (frob_di_df_2): Remove %H. Change evldd to two loads.
2311 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2313 * doc/cpp.texi: Fix names of charset options.
2315 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2318 * config/i386/i386.c (override_options): Use 128-bit
2319 stack boundary always for 64bits.
2321 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2323 PR rtl-optimization/28636
2324 * combine.c (force_to_mode): Test for side-effects before
2325 substituting by zero.
2326 (simplify_shift_const): Likewise for zero or other constants.
2328 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2331 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2334 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2337 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2338 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2339 returned by mode_for_size, rather than the mode of src itself,
2340 to choose between 32-bit and 64-bit patterns.
2341 (mips_mem_fits_mode_p): New function.
2342 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2343 that the size of the source matches the size of the destination.
2344 (mov_<store>l, mov_<store>r): Likewise.
2346 2006-09-10 Eric Christopher <echristo@apple.com>
2348 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2351 2006-09-09 Eric Christopher <echristo@apple.com>
2354 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2357 2006-09-09 Roger Sayle <roger@eyesopen.com>
2358 Nicolas Setton <setton@adacore.com>
2360 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2362 2006-09-10 Andreas Schwab <schwab@suse.de>
2364 * config/m68k/m68k.md (bungt_rev): New pattern.
2366 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2367 Dale Johannesen <dalej@apple.com>
2370 * regclass.c (struct reg_pref): Update documentation.
2371 (regclass): Set prefclass to NO_REGS if memory is the best option.
2372 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2374 2006-09-08 Eric Christopher <echristo@apple.com>
2376 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2377 * config/t-slibgcc-darwin: Support x86_64 multilib.
2378 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2379 Return 1 for x86_64-darwin.
2380 * config/i386/t-darwin: Add m64 multilib.
2381 (LIB2_SIDITI_CONV_FUNCS): Use.
2382 (LIB2FUNCS_EXTRA): Ditto.
2383 * config/i386/darwin.h: Support x86_64.
2384 * config/i386/i386.c (override_options): Turn on flag_pic
2385 for x86_64-darwin. Disable flag_omit_pointer.
2386 (get_pc_thunk_name): Assert !TARGET_64BIT.
2387 (legitimate_address_p): Disable machopic addressing for
2389 (legitimize_pic_address): Ditto.
2390 (ix86_expand_move): Ditto.
2391 (ix86_expand_call): Ditto.
2392 (machopic_output_stub): Ditto.
2393 * config/darwin.c (machopic_select_section): Support literal16.
2394 (machopic_select_rtx_section): Ditto.
2395 * config/darwin-sections.def: Ditto.
2396 * config/darwin-64.c: New.
2398 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2401 * c-tree.h (struct c_arg_info): Add pending_sizes.
2402 * c-parser.c (c_parser_parms_declarator,
2403 c_parser_parms_list_declarator): Initialize pending_sizes.
2404 * c-decl.c (get_parm_info): Initialize pending_sizes.
2405 (get_parm_info): Set pending_sizes.
2406 (grokdeclarator): Call put_pending_sizes for parameters for
2407 function definition only.
2409 2006-09-07 Jason Merrill <jason@redhat.com>
2412 * varasm.c (output_constant): Only strip actual no-op conversions.
2415 * config/i386/i386.c (override_options): Use 128-bit
2416 stack boundary if -msse.
2418 2006-09-07 Eric Christopher <echristo@apple.com>
2420 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2422 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2425 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2427 * dwarf2out.c: Remove strange characters from comment above
2428 dwarf2out_frame_debug_expr.
2430 2006-09-07 Eric Christopher <echristo@apple.com>
2432 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2433 * config/darwin.h: ... to here.
2435 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2437 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2439 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2440 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2442 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2443 TARGET_PARTIAL_FLAG_REG_STALL.
2444 (*ashldi3_cconly_rex64): Likewise.
2445 (*ashlsi3_cmp): Likewise.
2446 (*ashlsi3_cconly): Likewise.
2447 (*ashlsi3_cmp_zext): Likewise.
2448 (*ashlhi3_cmp): Likewise.
2449 (*ashlhi3_cconly): Likewise.
2450 (*ashlqi3_cmp): Likewise.
2451 (*ashlqi3_cconly): Likewise.
2452 (*ashrdi3_cmp_rex64): Likewise.
2453 (*ashrdi3_cconly_rex64): Likewise.
2454 (*ashrsi3_cmp): Likewise.
2455 (*ashrsi3_cconly): Likewise.
2456 (*ashrsi3_cmp_zext): Likewise.
2457 (*ashrhi3_cmp): Likewise.
2458 (*ashrhi3_cconly): Likewise.
2459 (*ashrqi3_cmp): Likewise.
2460 (*ashrqi3_cconly): Likewise.
2461 (*lshrdi3_cmp_rex64): Likewise.
2462 (*lshrdi3_cconly_rex64): Likewise.
2463 (*lshrsi3_cmp): Likewise.
2464 (*lshrsi3_cconly): Likewise.
2465 (*lshrsi3_cmp_zext): Likewise.
2466 (*lshrhi3_cmp): Likewise.
2467 (*lshrhi3_cconly): Likewise.
2468 (*lshrqi2_cmp): Likewise.
2469 (*lshrqi2_cconly): Likewise.
2471 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2474 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2475 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2476 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2477 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2478 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2479 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2480 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2481 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2482 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2483 implement only CC setting effects of shift instructions.
2485 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2487 * doc/contrib.texi: Add myself.
2489 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2492 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2493 was set by the user.
2495 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2498 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2499 (divsi_inv_m1): Use them.
2500 (UNSPEC_DIV_INV_TABLE): New constant.
2502 2006-09-06 James E Wilson <wilson@specifix.com>
2505 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2506 then call count_or_remove_death_notes.
2508 2006-09-06 Jason Merrill <jason@redhat.com>
2511 * tree-inline.c (copy_result_decl_to_var): New fn.
2512 (declare_return_variable): Use it. Call declare_inline_vars here.
2513 (expand_call_inline): Not here.
2515 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2517 * doc/contrib.texi: Update my entry.
2519 2006-09-06 Nick Clifton <nickc@redhat.com>
2521 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2523 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2526 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2527 (canonicalize_induction_variables): Likewise.
2528 (tree_unroll_loops_completely): Likewise.
2529 (tree_ssa_prefetch_arrays): Likewise.
2530 (remove_empty_loops): Likewise.
2531 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2532 TODO_cleanup_cfg instead of directly calling
2533 cleanup_tree_cfg_loop.
2534 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2536 (tree_unroll_loops_completely): Likewise.
2537 (remove_empty_loops): Likewise.
2538 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2539 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2540 of tree_ssa_unswitch_loops.
2541 (tree_ssa_loop_ivcanon): Use the return value of
2542 canonicalize_induction_variables.
2543 (tree_ssa_empty_loop): Use the return value of
2545 (tree_complete_unroll): Use the return value of
2546 tree_unroll_loops_completely.
2547 (tree_ssa_loop_prefetch): Use the return value of
2548 tree_ssa_prefetch_arrays.
2549 * passes.c (execute_todo): Before Cleanup CFG, set
2550 updating_used_alone and after cleanup CFG, call
2551 recalculate_used_alone.
2553 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2556 * tree-vect-transform.c (vectorizable_condition): Move the check
2557 for the type after the check for simple condition.
2559 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2560 Kaz Kojima <kkojima@gcc.gnu.org>
2563 * mode-switching.c (optimize_mode_switching): Make the destination
2564 block of an abnormal edge have no anticipatable mode. Don't
2565 insert mode switching code at the end of the source block of
2568 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2570 PR rtl-optimization/26847
2571 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2572 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2573 (simplify_plus_minus): Count n_constants while filling ops. Replace
2574 qsort with insertion sort. Before going through the array to simplify
2575 pairs, sort it. Delay early exit until after the first sort, exiting
2576 only if no swaps occurred. Simplify pairs in reversed order, without
2577 special-casing the first iteration. Pack ops after simplifying pairs.
2579 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2581 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2582 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2583 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2584 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2586 2006-09-05 Richard Guenther <rguenther@suse.de>
2588 PR tree-optimization/28900
2589 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2590 compound conditional before creating COND_EXPR condition.
2592 2006-09-05 Richard Guenther <rguenther@suse.de>
2594 PR tree-optimization/28905
2595 * tree-vrp.c (fix_equivalence_set): Manually implement
2596 !value_ranges_intersect_p to also handle symbolic ranges.
2598 2006-09-05 Richard Guenther <rguenther@suse.de>
2601 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2604 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2606 PR rtl-optimization/27616
2607 * cse.c (table_size): New static variable.
2608 (new_basic_block): Initialize it to 0.
2609 (remove_from_table): Decrement it.
2610 (insert): Increment it.
2611 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2612 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2613 fold_rtx_mem_1 if under the cap.
2614 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2615 the lookup of the equivalent expression and test for equality of the
2616 first operand of the equivalent expression before in turn looking up
2617 an equivalent constant for the second operand.
2619 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2622 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2623 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2624 pointer, instead of assuming it is possible to derive the
2625 correct args size from a call insn.
2627 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2630 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2631 (fold_builtin_mempcpy): Rename to...
2632 (fold_builtin_memory_op): ... this. Optimize one element copy
2634 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2636 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2637 (expand_builtin_memcpy, expand_builtin_mempcpy,
2638 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2639 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2640 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2641 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2643 2006-09-01 DJ Delorie <dj@redhat.com>
2645 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2646 (stzx_16): Likewise.
2647 ("stzx_24_<mode>"): Likewise.
2648 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2649 ("cmp<mode>_op"): New.
2650 (cmp<mode>): Change to expander; just save operands.
2652 (b<code>): Change to expander, emit compare here.
2653 (s<code>_op): Change to use split and expander.
2654 (s<code>_24_op): Likewise.
2655 (s<code>_<mode>): New.
2656 (s<code>_<mode>_24): New.
2657 (movqicc_<code>_<mode): New.
2658 (movhicc_<code>_<mode>): New.
2661 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2662 (m32c_pend_compare): New.
2663 (m32c_unpend_compare): New.
2664 (m32c_expand_scc): New.
2665 (m32c_expand_movcc): Emit the compare also.
2666 * config/m32c/predicates.md (mra_nopp_operand): New.
2668 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2669 Richard Guenther <rguenther@suse.de>
2670 Adam Nemet <anemet@caviumnetworks.com>
2673 * builtins.c (get_pointer_alignment): Handle more forms
2674 of base addresses that can be used to derive more precise
2675 information about alignment.
2677 2006-09-01 Jason Merrill <jason@redhat.com>
2680 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2683 * gimplify.c (voidify_wrapper_expr): Handle null type.
2685 2006-09-01 Josh Conner <jconner@apple.com>
2688 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2689 (execute_return_slot_opt): Use it.
2691 2006-08-31 Josh Conner <jconner@apple.com>
2694 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2695 returning aggregates.
2697 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2699 PR tree-optimization/28839
2700 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2701 blocks in that phi arguments appear.
2703 2006-08-31 Roger Sayle <roger@eyesopen.com>
2706 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2707 NULL, otherwise use an advance_loc4 to adjust relative to the
2709 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2710 (dwarf2out_switch_text_section): Reset the current label to avoid
2711 using advance_loc4 over section boundaries.
2713 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2716 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2717 r12 + SYMBOLIC_CONST.
2719 2006-08-30 Richard Guenther <rguenther@suse.de>
2721 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2723 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2725 PR rtl-optimization/27735
2726 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2727 Add new argument to keep track of whether an irreducible region
2728 was affected. All callers changed.
2729 (fix_irreducible_loops): Removed.
2730 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2731 flags were invalidated.
2733 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2735 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2736 instead of SF operands.
2737 (*fop_df_comm_sse): Likewise.
2738 (*fop_df_comm_i387): Likewise.
2739 (*fop_df_1_mixed): Likewise.
2740 (*fop_df_1_sse): Likewise.
2742 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2743 J"orn Rennecke <joern.rennecke@st.com>
2745 PR tree-optimization/17506
2746 * tree-ssa.c (warn_uninit): If warning about a location outside of
2747 the current function, note where the variable was declared.
2749 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2751 PR tree-optimization/28411
2752 * double-int.c (double_int_div): Use double_int_divmod.
2753 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2754 double_int_mod, double_int_smod, double_int_umod): New functions.
2755 * double-int.h (double_int_divmod, double_int_sdivmod,
2756 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2758 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2760 (get_computation_aff, get_computation_cost_at): Handle double_int
2761 return type of constant_multiple_of.
2763 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2766 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2767 an implicit conversion.
2769 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2771 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2773 2006-08-27 Roger Sayle <roger@eyesopen.com>
2775 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2778 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2780 * config/i386/crtfastmath.c: Fix a comment typo.
2782 2006-08-26 Roger Sayle <roger@eyesopen.com>
2784 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2785 temporary visit flags on CASE_LABEL_EXPRs.
2786 * c-common.c (match_case_to_enum): Add function comment. Avoid
2787 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2788 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2789 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2790 a constant, only warn if that constant value isn't handled.
2792 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2795 * input.h (restore_input_file_stack): Declare.
2796 (INPUT_FILE_STACK_BITS): Define.
2797 * toplev.c (fs_p, input_file_stack_history,
2798 input_file_stack_restored, restore_input_file_stack): New.
2799 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2800 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2801 (pop_srcloc): Don't free old state of stack.
2803 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2806 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2807 (PowerPC Type Attributes): New.
2809 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2811 * config/xtensa/xtensa.c (function_arg_boundary): New.
2812 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2814 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2815 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2817 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2820 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2823 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2825 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2826 (verify_local_live_at_start): Likewise.
2828 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2831 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2832 omp_add_variable): Treat sizes as variable whenever not
2835 2006-08-26 Richard Guenther <rguenther@suse.de>
2838 * fold-const.c (fold_binary): Fold temporary to correct
2839 type before constructing new comparison.
2841 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2844 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2845 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2847 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2850 * c-decl.c (start_function): Don't try to process prototype
2851 information from old declaration that isn't a function.
2853 2006-08-25 Jan Hubicka <jh@suse.cz>
2856 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2858 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2861 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2864 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2866 PR tree-optimization/16876
2867 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2868 exit if PARM doesn't match VALUE.
2870 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2872 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2873 literal_prefix directive.
2874 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2875 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2876 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2878 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2881 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2882 predicate to general_operand. Add 0->y and I->r alternatives.
2884 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2886 * doc/tm.texi: Fix a typo.
2887 * predict.c: Fix comment typos.
2889 2006-08-25 Nick Clifton <nickc@redhat.com>
2891 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2892 assertions of "cpu" and "machine".
2894 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2897 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2898 the access through a base which has an alias set of 0 cannot
2901 2006-08-24 Bill Wendling <wendling@apple.com>
2903 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2905 2006-08-24 Jan Hubicka <jh@suse.cz>
2907 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2909 2006-08-24 Jan Hubicka <jh@suse.cz>
2912 * cgraph.c: Fix comments.
2913 (cgraph_varpool_mark_needed_node): Mark only variables not already
2915 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2916 (cgraph_varpool_assembled_nodes_queue): New static variable.
2917 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2918 (cgraph_varpool_output_debug_info): New function.
2919 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2920 * Makefile.in: Add gt-cgraphunit.h
2922 2006-08-24 Jan Hubicka <jh@suse.cz>
2924 * predict.c (probability_reliable_p): New predicate.
2925 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2926 (predict_loops): Do not predict loop exit with less than 2%
2928 * basic-block.h (edge_probability_reliable_p,
2929 br_prob_note_reliable_p): Declare.
2930 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2931 prediction when static predictor is not reliable.
2932 * rs6000.c (output_cbranch): Likewise.
2934 2006-08-23 Stuart Hastings <stuart@apple.com>
2937 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2938 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2940 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2943 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2944 complex values, nor for generic vector values.
2946 2006-08-22 Richard Guenther <rguenther@suse.de>
2949 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2950 parameter. Convert arguments to arithmetic expression to the
2952 (analyze_scalar_evolution_1): Adjust caller.
2954 2006-08-22 Jan Hubicka <jh@suse.cz>
2956 Patch by Paolo Bonzini
2957 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2960 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2962 PR tree-optimization/28003
2963 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2964 before grouping aliases.
2966 2006-08-22 Roger Sayle <roger@eyesopen.com>
2968 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2969 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2971 2006-08-21 Jason Merrill <jason@redhat.com>
2974 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2975 wrapper. Loop to handle nested wrappers.
2976 (gimplify_bind_expr): Remove temp parameter.
2977 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2978 and STATEMENT_LIST on the rhs.
2979 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2980 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2981 (gimplify_target_expr): Remove special BIND_EXPR handling.
2983 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2985 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2988 2006-08-21 Olivier Hainque <hainque@adacore.com>
2990 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2991 Arrange for the temporary captures of components overlapping the lhs
2992 to happen before the lhs is possibly cleared.
2994 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2996 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2997 necessary places to pass the correct "number of registers" values
3000 2006-08-20 Jan Hubicka <jh@suse.cz>
3002 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3003 (create_name_tags): Instead of quadratic checking use hashtable.
3004 * bitmap.h: Include hashtab.h.
3005 (bitmap_hash): Declare.
3006 * bitmap.c (bitmap_hash): New function.
3008 2006-08-20 Jan Hubicka <jh@suse.cz>
3010 PR rtl-optimization/28071
3011 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3013 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3014 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3015 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3016 cgraph_decide_inlining_incrementally): Update use of
3017 cgraph_check_inline_limits.
3018 * cgraph.c (edge_hash, edge_eq): New function.
3019 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3020 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3021 cgraph_remove_node): Maintain call site hash.
3022 * cgraph.h (struct cgraph_node): Add call_site_hash.
3023 (cgraph_set_call_stmt): New function.
3025 2006-08-20 Jan Hubicka <jh@suse.cz>
3027 PR rtl-optimization/28071
3028 * reload1.c (reg_has_output_reload): Turn into regset.
3029 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3030 choose_reload_regs, emit_reload_insns): Update to new
3031 reg_has_output_reload.
3033 2006-08-20 Jan Hubicka <jh@suse.cz>
3036 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3037 function body sizes.
3038 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3040 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3043 * tree.c (handle_dll_attribute): Return early if not a
3044 var or function decl.
3046 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3049 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3050 alignment of SPE vector types.
3052 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3054 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3056 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3059 * cgraph.h (struct cgraph_node): Remove externally_visible
3061 * cgraphunit.c (process_function_and_variable_attributes): Set
3062 local.externally_visible rather than externally_visible.
3065 * c-common.c (handle_externally_visible_attribute): First look
3066 at TREE_CODE and only if it is function or var decl, check for
3067 non-public objects. Don't warn for DECL_EXTERNAL.
3068 * cgraphunit.c (process_function_and_variable_attributes): Warn
3069 if externally_visible attribute is used on non-public object.
3071 2006-08-17 Jan Hubicka <jh@suse.cz>
3073 PR tree-optimization/27865
3074 * reload1.c (forget_marked_reloads): New function.
3075 (forget_old_reloads_1): When data are passed, just mark the registers
3077 (reload_as_needed): Use the new mechanizm.
3079 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3082 * reload.h (reg_equiv_alt_mem_list): New declaration.
3083 * reload1.c (reg_equiv_alt_mem_list): New definition.
3084 (reload): Initialize it and release it.
3085 (delete_output_reload): Use it.
3086 * reload.c (push_reg_equiv_alt_mem): New function.
3087 (find_reloads_toplev): Call it.
3088 (find_reloads_address, find_reloads_address_1): Likewise.
3089 (find_reloads_subreg_address): Likewise.
3091 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3093 PR rtl-optimization/28489
3094 * sched-ebb.c (begin_schedule_ready): Create basic block
3096 (advance_target_bb): Skip empty blocks.
3097 * haifa-sched.c (bb_note): Make global.
3098 * sched-int.h (bb_note): Add prototype.
3100 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3102 PR tree-optimization/27865
3103 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3105 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3106 fold_used_pointer, pointer_used_p): New functions.
3107 (analyze_scalar_evolution_1): Use fold_used_pointer.
3108 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3109 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3112 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3115 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3116 or the INTEGER_CST. Fail on a CALL_EXPR.
3117 (fold_offsetof): Pass new argument to fold_offsetof_1.
3118 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3119 operand into an INDIRECT_REF.
3120 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3122 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3124 PR gcov/profile/26570
3125 * value-prof.c (static_values): Removed.
3126 (tree_find_values_to_profile): Do not set static_values.
3127 (find_values_to_profile): Do not free static_values.
3128 * profile.c (instrument_values): Do not free the values.
3129 (branch_prob): Free the values.
3131 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3133 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3135 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3138 * c-typeck.c (build_component_ref): Combine qualifiers of
3139 structure or union and field.
3141 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3143 PR rtl-optimization/28071
3144 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3145 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3146 * tree-into-ssa.c (struct dom_dfsnum): New.
3147 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3149 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3150 compute_global_livein.
3151 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3152 in phi nodes in the correct blocks.
3154 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3156 PR tree-optimization/28364
3157 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3159 (fold_affine_expr): New function.
3160 (may_eliminate_iv): Use fold_affine_expr.
3162 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3165 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3168 2006-08-16 Mike Stump <mrs@apple.com>
3170 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3171 * doc/cppopts.texi (-MD): Likewise.
3173 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3176 * c-common.c (handle_weak_attribute): Ignore and warn if
3177 not a FUNCTION_ or VAR_DECL.
3179 2006-07-15 Mike Stump <mrs@apple.com>
3182 * c-parser.c (c_parser_typeof_specifier): Don't use
3183 c_finish_expr_stmt, open code desired semantics instead.
3185 2006-08-15 Nick Clifton <nickc@redhat.com>
3187 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3188 fragment to tmake_file only if threads are enabled.
3189 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3190 * config/i386/t-gthr-win32: New file. ... here.
3192 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3195 * c-parser.c (c_parser_compound_statement_nostart): Reset
3196 parser->error after each statement.
3198 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3201 * omp-low.c (lower_omp_parallel): Convert t to
3202 receiver_decl's type.
3203 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3204 source before comparison.
3207 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3208 to itype in assignment to oldival2.
3210 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3214 * c-typeck.c (build_compound_expr): If the second expression
3215 is an error mark, then just return an error mark instead of
3216 creating a COMPOUND_EXPR.
3218 2006-07-14 Mike Stump <mrs@apple.com>
3220 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3222 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3224 * c-decl.c, var-tracking.c: Fix comment typos.
3226 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3228 PR rtl-optimization/28634
3229 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3230 for floating-point modes unless flag_unsafe_math_optimizations.
3232 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3233 Andrew Pinski <pinskia@physics.uc.edu>
3236 * tree.c (build_array_type): Unify array types with
3237 unspecified index_type.
3238 * c-decl.c (grokdeclarator): Make sure we do not modify a
3239 unified incomplete array type.
3240 * c-typeck.c (store_init_value): Create distinct type before
3241 filling in the index type in an initializer from a compound
3244 * c-decl.c (grokdeclarator): Remove code where we copy the
3247 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3249 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3250 into account for TODO_dump_cgraph.
3251 (TODO_update_ssa_no_phi): Likewise.
3252 (TODO_update_ssa_full_phi): Likewise.
3253 (TODO_update_ssa_only_virtuals): Likewise.
3254 (TODO_remove_unused_locals): Likewise.
3255 (TODO_set_props): Likewise.
3256 (TODO_update_stmt_usage): Likewise.
3258 2006-08-13 Dirk Mueller <dmueller@suse.de>
3260 * c-common.c (strict_aliasing_warning): Fix formatting.
3262 2006-08-13 Matthias Klose <doko@debian.org>
3264 * doc/invoke.texi: Fix spelling errors.
3266 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3268 PR rtl-optimization/23454
3269 * reorg.c (relax_delay_slots): Update comment.
3271 2006-08-11 Richard Guenther <rguenther@suse.de>
3274 * simplify-rtx.c (simplify_const_relational_operation):
3275 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3278 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3280 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3281 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3283 2006-08-10 Paul Brook <paul@codesourcery.com>
3285 * final.c (final_scan_insn): Clear current_insn_predicate before
3286 outputting inline asm.
3288 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3290 PR tree-optimization/26197
3291 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3292 get_ref_base_and_extent and overlap_subvar to add only relevant
3293 subvars as may-aliases.
3294 (add_may_alias_for_new_tag): New function, factored out of
3296 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3297 with additional argument.
3298 * tree-flow.h (new_type_alias): Takes additional argument.
3300 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3302 * gcov.c (no_data_file): New flag.
3303 (read_count_file): Set it if data file not present. Assume counts
3305 (output_lines): Don't name the data file, if there wasn't one.
3307 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3309 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3310 (rs6000_generate_compare): Tweak comments.
3311 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3313 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3315 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3316 (var_debug_decl): New function.
3317 (var_reg_set): Follow debug decl link. Add location even if
3318 reg is already known to hold some other variable.
3319 (var_mem_set): Follow debug decl link.
3320 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3321 decl link. Delete other known locations of the variable part
3323 (var_reg_delete, var_mem_delete): Delete other known locations
3324 of the variable part if requested.
3325 (same_variable_part_p): New function.
3326 (add_stores): Select MO_COPY when appropriate.
3327 (vt_initialize): Handle it.
3328 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3329 known locations for MO_SET and MO_CLOBBER.
3330 (find_variable_location_part): New function.
3331 (set_variable_part, delete_variable_part): Use it.
3332 (clobber_variable_part): New function.
3333 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3336 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3338 PR tree-optimization/26969
3339 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3340 with an empty list of PHIs.
3342 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3346 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3349 2006-08-06 Andreas Schwab <schwab@suse.de>
3351 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3352 string. Whitespace and comment fixup.
3354 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3357 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3361 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3364 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3366 2006-08-04 Jan Hubicka <jh@suse.cz>
3370 * reload.c (push_reload): Patch out the mismatching instruction;
3372 (find_reload): Bail out if the instruction was patched out.
3374 2006-08-04 Jan Hubicka <jh@suse.cz>
3376 PR tree-optimization/24888
3377 * tree-inline.c (expand_call_inline): Do not re-record variables.
3378 (declare_inline_vars): Add variable to unexpanded_var_list.
3380 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3381 Roger Sayle <roger@eyesopen.com>
3383 PR rtl-optimization/26244
3384 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3385 inner_const are negative or greater than or equal to the bitsize of
3386 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3387 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3388 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3389 CONST0_RTX (mode) when the new shift count is greater than or equal to
3390 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3393 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3395 * tree-cfg.c: Fix a comment typo.
3397 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3400 * varasm.c (output_constant): Give the front end another chance to
3401 expand constants, after stripping NOPs.
3403 2006-08-03 Jan Hubicka <jh@suse.cz>
3405 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3408 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3410 PR tree-optimization/27770
3411 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3412 declaration removed (moved to tree-flow.h).
3413 (vect_can_force_dr_alignment_p): Likewise.
3414 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3415 (moved from tree-vectorizer.h).
3416 (vect_can_force_dr_alignment_p): Likewise.
3417 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3418 from outside the vectorizer - in particular from cgraph stage.
3419 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3420 the alignment of global arrays when -fsection-anchors is enabled.
3421 * cgraphunit.c (cgraph_increase_alignment): New function.
3422 (cgraph_optimize): Call cgraph_increase_alignment.
3424 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3427 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3428 not reload a SPE symbol_ref into a lo_sum address.
3430 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3433 * dwarf2out.c (prune_unused_types_prune): Move call to
3434 prune_unused_types_update_strings to cover the parent DIE also.
3436 2006-08-02 Jan Hubicka <jh@suse.cz>
3438 PR gcov/profile/28480
3439 * tree-cfg.c (change_bb_for_stmt): New function.
3440 (tree_merge_blocks, tree_split_blocks): Use it.
3442 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3448 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3449 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3450 (cgraph_optimize): Likewise.
3452 2006-08-01 Stuart Hastings <stuart@apple.com>
3454 * rtl.h (UINTVAL) New.
3455 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3456 * testsuite/gcc.dg/20060801-1.c: New.
3458 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3461 * c-typeck.c (build_external_type): Mark used enum types.
3462 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3464 (gen_subprogram_die): Whitespace fix.
3466 2006-08-01 Jan Hubicka <jh@suse.cz>
3468 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3469 bitmap when not needed.
3470 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3473 2006-08-01 Dirk Mueller <dmueller@suse.de>
3475 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3477 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3479 * Makefile.in: Revert part of previous patch:
3480 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3483 2006-07-30 Eric Christopher <echristo@apple.com>
3486 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3487 (PowerPC Variable Attributes): New section.
3489 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3491 PR target/28126 (partial fix)
3492 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3494 2006-07-28 Jan Hubicka <jh@suse.cz>
3496 PR rtl-optimization/28071
3497 * cfgrtl.c (rtl_delete_block): Free regsets.
3498 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3500 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3502 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3503 and variables used in dependencies.
3505 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3507 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3508 %fs for -mcmodel=kernel.
3509 (stack_tls_protect_test_di): Likewise.
3511 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3513 * Makefile.in: Use mkinstalldirs.
3515 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3518 * opts-common.c (prune_options): Skip joined switches.
3520 2006-07-27 Jan Hubicka <jh@suse.cz>
3522 PR rtl-optimization/28071
3523 * cselib.c (cselib_process_insn): Don't remove useless values too
3524 often for very large hashtables.
3526 2006-07-27 Jan Hubicka <jh@suse.cz>
3528 PR rtl-optimization/28071
3529 * global.c (greg_obstack): New obstack.
3530 (allocate_bb_info): Use it.
3531 (free_bb_info): Likewise.
3532 (modify_reg_pav): Likewise.
3534 2006-07-27 Roger Sayle <roger@eyesopen.com>
3536 * builtins.c (fold_fixed_mathfn): When long and long long are the
3537 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3538 functions to their lceil*, lfloor*, lround* and lrint* forms.
3540 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3543 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3545 (rev_branch_insn): Likewise.
3547 2006-07-27 Jan Hubicka <jh@suse.cz>
3549 PR rtl-optimization/28071
3550 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3551 (reg_set_in_bb, max_reg_computed): New static variables.
3552 (regmove_optimize): Free the new array.
3553 (fixup_match_1): Update call of reg_is_remote_constant_p.
3555 2006-07-26 Jan Hubicka <jh@suse.cz>
3557 PR tree-optimization/27882
3558 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3560 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3562 (cgraph_analyze_compilation_unit): Likewise.
3563 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3564 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3565 (cgraph_early_inlinine): Make order garbage collected.
3566 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3568 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3570 * dbxout.c (output_types_sort): Add a comment.
3571 (output_used_types): Free the VEC.
3573 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3575 * function.c (reorder_fix_fragments): Delete.
3576 (reorder_blocks): Don't call it.
3577 (reorder_blocks_1): Put all subblocks under the origin block.
3579 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3581 PR rtl-optimization/27907
3582 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3585 2006-07-25 Roger Sayle <roger@eyesopen.com>
3588 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3589 bar(x) check that bar's result type can represent all the values of T.
3591 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3593 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3595 2006-07-25 Nick Clifton <nickc@redhat.com>
3597 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3598 size_lookup[] array.
3599 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3600 (ggc_pch_count_object): Likewise.
3601 (ggc_pch_alloc_object): Likewise.
3602 (ggc_pch_write_object): Likewise.
3603 (init_ggc): Do not attempt to initialize entries in the
3604 size_lookup[] array for objects whose size is greater than than
3605 the length of the array.
3607 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3609 * dbxout.c (output_used_types_helper): Push queued types
3611 (output_types_sort): New.
3612 (output_used_types): Collect used types on a VEC and sort them
3615 2006-07-24 Richard Guenther <rguenther@suse.de>
3618 * cgraph.c (cgraph_remove_node): Do not check if dumps
3620 * cgraphunit.c (cgraph_optimize): Likewise.
3622 2006-07-24 Jan Hubicka <jh@suse.cz>
3624 PR rtl-optimization/28071
3625 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3626 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3627 splitting before first stmt.
3629 2006-07-24 Jan Hubicka <jh@suse.cz>
3631 PR rtl-optimization/28071
3632 * ipa-inline.c (update_caller_keys): Remove edges that
3633 are no longer inline candidates.
3635 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3638 * dbxout.c (output_used_types_helper, output_used_types): New.
3639 (dbxout_symbol): Call output_used_types.
3641 2006-07-23 Jan Hubicka <jh@suse.cz>
3645 * cgraph.c (cgraph_varpool_nodes): Export.
3646 (decide_is_variable_needed): Ignored "used" attribute in
3647 unit-at-a-time mode.
3648 * cgraph.h (cgraph_varpool_nodes): Declare.
3649 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3650 unit-at-a-time mode.
3652 2006-07-23 Roger Sayle <roger@eyesopen.com>
3655 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3656 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3657 the __gthrw form of thr_keycreate.
3658 (__gthread_key_delete): Silence the unused argument warning.
3660 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3663 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3664 Cache the last found '\0' marker to avoid quadratic behavior.
3666 2006-07-23 Jan Hubicka <jh@suse.cz>
3668 * i386.md (subsi_3_zext): Fix output template.
3670 2006-07-21 Mike Stump <mrs@apple.com>
3672 * doc/invoke.texi (C++ Dialect Options): Note that
3673 -fvisibility-inlines-hidden doesn't affect explicitly
3674 instantiationed inline methods.
3676 2006-07-20 Roger Sayle <roger@eyesopen.com>
3678 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3679 if the target assembler is GNU binutils' gas.
3680 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3681 whether to pass GNU gas or native as command line options.
3683 2006-07-20 Jason Merrill <jason@redhat.com>
3685 * tree.c (remove_attribute): New fn.
3686 * tree.h: Declare it.
3688 2006-07-20 Paul Brook <paul@codesourcery.com>
3691 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3692 they are invalidated by this instruction.
3694 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3697 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3699 2006-07-20 Eric Christopher <echristo@apple.com>
3702 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3704 2006-07-19 Eric Christopher <echristo@apple.com>
3706 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3707 Rewrite dependencies for libgcc_s.1.dylib.
3709 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3711 * except.c (duplicate_eh_regions_1): Clear next_peer.
3713 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3715 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3716 -mlongcall does not guarantee all calls will be long.
3717 * doc/extend.texi (long_call/short_call): Document that longcall
3718 does not guarantee a long call will be used.
3719 (longcall/shortcall): Likewise.
3721 2006-07-18 Roger Sayle <roger@eyesopen.com>
3724 * expmed.c (expand_shift): Additionally check that the shift_cost
3725 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3726 before implementing a LSHIFT_EXPR as a sequence of additions.
3727 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3728 middle-end that DImode shifts need to be synthesized by expand.
3730 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3733 * tree-ssa-operands.c (access_can_touch_variable): Update
3735 Return true if ALIAS is .GLOBAL_VAR.
3737 2006-07-18 David Daney <ddaney@avtrex.com>
3739 * gcc.c (display_help): Fix typo in help text.
3741 2006-07-18 Olivier Hainque <hainque@adacore.com>
3743 * tree.h (categorize_ctor_elements): Adjust prototype and add
3744 descriptive comment, both in accordance with the interface change
3746 * varasm.c (constructor_static_from_elts_p): New function.
3747 Whether a constructor node is a valid static constant initializer
3748 if all its elements are.
3749 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3750 * output.h: Declare it.
3751 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3752 is a valid constant initializer instead of computing the number of
3753 non-constant elements. Use constructor_static_from_elts_p for this
3754 purpose. Replace the head comment with an indication that this is a
3755 helper for categorize_ctor_elements.
3756 (categorize_ctor_elements): Same interface change as for the _1
3757 helper. Former head comment from this helper moved here, adjusted to
3758 account for the interface changes.
3759 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3760 (all_zeros_p): Likewise.
3761 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3762 static versions of the constructor from the categorize_ctor_elements
3763 return value instead of the formerly computed number of non-constant
3766 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3768 * configure: Regenerate.
3769 * Makefile.in (build_libsubdir): New configure substitution
3770 (build_libobjdir): New variable.
3771 (BUILD_LIBIBERTY): Use it.
3773 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3776 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3778 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3781 * c-common.c (handle_weakref_attribute): Ignore attribute in
3782 the same conditions the alias attribute is ignored.
3784 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3786 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3787 (dbxout_begin_prologue): Increment scope_labelno.
3789 2006-07-17 Richard Henderson <rth@redhat.com>
3792 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3795 2006-07-17 Roger Sayle <roger@eyesopen.com>
3796 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3798 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3799 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3800 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3801 functions such as sbrk, write, etc.. Add function prototypes.
3802 Convert function declarations from K&R to ISO C. Cast pointers
3803 to "long" and "unsigned long" instead of "int" and "unsigned int".
3804 Convert tokens following #endif into comments.
3806 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3808 * invoke.texi: Remove mention of f77; Reformat table for
3809 inline parameter options correctly; mention that -malign-double
3810 is default on x86-64 targets.
3812 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3814 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3815 (convert_affine_scev, chrec_convert_aggressive): Use
3816 avoid_arithmetics_in_type_p. Do not check for the subtypes
3819 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3822 * optabs.c (expand_doubleword_shift): Wrap the call to
3823 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3825 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3828 * optabs.c (expand_binop): Pass next_methods rather than methods
3829 to expand_doubleword_shift.
3831 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3834 * tree.h (dump_addr): Declare.
3835 * print-tree.c (dump_addr): New function.
3836 (print_node_brief, print_node): Use it.
3837 * print-rtl.c (print_rtx): Likewise.
3838 * common.opt (-fdump-noaddr): New option.
3839 * doc/invoke.texi (-fdump-noaddr): Document.
3840 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3841 (ve_info_hash): Likewise.
3843 2006-07-13 Andrew Haley <aph@redhat.com>
3845 PR tree-optimization/19505
3846 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3847 edge leaving this block, make sure that the destination of this
3848 block has only one predecessor.
3850 2006-07-17 Richard Guenther <rguenther@suse.de>
3852 PR tree-optimization/28238
3853 * tree-inline.c (copy_bb): Check if we produced valid
3854 gimple copying and substituting a stmt. If not, gimplify
3857 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3859 * optabs.c (maybe_encapsulate_block): New function extracted from...
3860 (emit_libcall_block): ...here. Invoke it on the block of insns to
3861 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3862 (emit_no_conflict_block): Likewise.
3864 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3866 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3868 2006-07-15 Roger Sayle <roger@eyesopen.com>
3870 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3871 a new NOP_EXPR case of the switch statement.
3873 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3876 * stor-layout.c (place_field): Take the bit field with
3877 an excessive size into account in the ms-bitfiled case.
3880 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3881 the previous bit field.
3883 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3886 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3888 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3890 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3891 signal frames correctly even when the signal was installed with
3894 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3896 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3897 (dbxout_function_end): Use local label LFBB. Remove hook
3899 (dbxout_source_line): Use local label LFBB.
3900 (dbxout_block): Likewise.
3901 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3902 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3903 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3904 and DBX_OUTPUT_NFUN.
3906 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3908 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3910 2006-07-13 Jan Hubicka <jh@suse.cz>
3912 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3914 * output.h (align_variable): Declare.
3915 * varasm.c (align_variable): Export.
3916 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3917 when basic block changed.
3919 2006-07-13 Nick Clifton <nickc@redhat.com>
3921 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3922 walking the LOG_LINKS chain.
3924 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3926 * doc/invoke.texi (C++ Dialect Options): Explain difference
3927 between -fvisibility-inlines-hidden and setting hidden
3928 visibility explicitly.
3930 2006-07-12 Eric Christopher <echristo@apple.com>
3932 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3933 (stmp-lipo): Depend on libgcc.a.
3935 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3937 * tree.c: Fix a comment typo.
3939 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3941 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3943 (umulhisi3_r): Likewise.
3945 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3948 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3949 x < 19, vs wchar_t support.
3951 2006-07-12 Nick Clifton <nickc@redhat.com>
3953 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3954 instead of -isa=sh4.
3956 2006-07-12 Mike Stump <mrs@apple.com>
3958 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3960 2006-07-10 Eric Christopher <echristo@apple.com>
3962 * config/t-slibgcc-darwin: Rewrite.
3964 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3967 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3970 2006-07-08 Matthias Klose <doko@debian.org>
3972 * doc/sourcebuild.texi: Fix typo.
3974 2006-07-07 Mike Stump <mrs@apple.com>
3976 * toplev.c (process_options): Don't give -ffunction-sections may
3977 affect debugging warning for Mach-O.
3979 2006-07-07 James E Wilson <wilson@specifix.com>
3981 * config/mips/mips.md (cpu): Add sb1a.
3982 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3983 addition to sb1. Adjust comments to clarify SB-1A differences from
3985 (ir_sb1a_load): New. Modify bypasses to use it.
3986 (ir_sb1a_simple_alu): Likewise.
3987 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3988 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3989 (mips_issue_rate): Add PROCESSOR_SB1A.
3990 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3991 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3992 (TARGET_SB1): Add PROCESSOR_SB1A check.
3993 (TUNE_SB1): Likewise.
3995 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3996 * config/mips/mips.c (mips_store_data_bypass_p): New.
3997 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3998 store_data_bypass_p.
4000 2006-07-08 Paul Brook <paul@codesourcery.com>
4003 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4005 2006-07-07 Richard Guenther <rguenther@suse.de>
4008 * tree.h (build_one_cst): Declare.
4009 * tree.c (build_one_cst): New function.
4010 * tree-ssa-math-opts.c (get_constant_one): Remove.
4011 (insert_reciprocals): Use build_one_cst.
4012 * fold-const.c (fold_plusminus_mult): Likewise.
4014 2006-07-07 Roger Sayle <roger@eyesopen.com>
4016 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4017 * cfgloopanal.c (dump_graph): Likewise.
4018 * dojump.c (discard_pending_stack_adjust): Likewise.
4019 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4021 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4022 * function.c (finalize_block_changes): Likewise.
4023 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4024 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4025 * rtl.c (dump_rtx_statistics): Likewise.
4026 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4028 * varray.c (dump_varray_statistics): Likewise.
4029 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4030 decode_decimal64, encode_decimal128, decode_decimal128,
4031 decimal_real_to_decimal): Likewise.
4033 2006-07-07 Richard Guenther <rguenther@suse.de>
4035 PR tree-optimization/28187
4036 * tree-vrp.c (vrp_operand_equal_p): New function.
4037 (vrp_bitmap_equal_p): Likewise.
4038 (update_value_range): Use them to compare old and new
4041 2006-07-06 Roger Sayle <roger@eyesopen.com>
4043 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4044 a default case to switch statement to silence compiler warnings.
4046 2006-07-06 Roger Sayle <roger@eyesopen.com>
4049 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4050 the configured assembler supports the x87's ffreep mnemonic.
4051 * configure: Regenerate.
4052 * config.in: Regenerate.
4054 * config/i386/i386.c (output_387_ffreep): New function.
4055 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4056 (output_387_reg_move): Likewise.
4058 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4060 Port to hosts whose 'sort' and 'tail' implementations
4061 treat operands with leading '+' as file names, as POSIX
4062 has required since 2001. However, make sure the code still
4063 works on pre-POSIX hosts.
4064 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4065 which says you should use "tail -c +N" rather than "tail +Nc".
4066 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4068 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4070 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4073 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4076 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4077 PRE_{INC,DEC} of TFmode.
4079 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4080 Alan Modra <amodra@bigpond.net.au>
4083 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4086 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4089 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4090 Remove duplicate gtu.
4092 2006-07-05 Jason Merrill <jason@redhat.com>
4096 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4097 * c-common.c (handle_packed_attribute): So don't copy it here.
4098 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4100 2006-07-05 Mike Stump <mrs@apple.com>
4102 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4104 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4107 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4109 2006-07-05 Richard Guenther <rguenther@suse.de>
4112 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4113 TARGET_SSE2 targets if using SSE math.
4114 (*absdf2_1): Likewise.
4116 2006-07-05 Richard Guenther <rguenther@suse.de>
4118 PR tree-optimization/28162
4119 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4120 make sure to convert the operands to the correct type.
4122 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4124 PR tree-optimization/28218
4126 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4127 to calculate and free the dominator information.
4129 2006-07-04 Peter O'Gorman <peter@pogma.com>
4131 * mklibgcc.in: chmod 644 before ranlib during install.
4133 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4134 J"orn Rennecke <joern.rennecke@st.com>
4136 * configure.ac (.eh_frame data check): Use diff -b.
4138 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4141 * Makefile.in (BUILD_RTL): Add build/vec.o.
4142 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4143 (build/genextract): Delete.
4144 (build/genautomata): Likewise.
4146 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4149 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4150 128-bit IBM long doubles for ABI_V4.
4152 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4154 * tree.c (range_in_array_bounds_p): New predicate.
4155 * tree.h (range_in_array_bounds_p): Declare it.
4156 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4157 return a less conservative answer.
4158 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4159 and flag 'is_group'.
4160 (IS_ELEMENT_FOR_GROUP): New macro.
4161 (FOR_EACH_ACTUAL_CHILD): Likewise.
4162 (next_child_for_group): New helper function.
4163 (can_completely_scalarize_p): Take into account groups.
4164 (sra_hash_tree): Handle RANGE_EXPR.
4165 (sra_elt_eq): Likewise.
4166 (lookup_element): Be prepared for handling groups.
4167 (is_valid_const_index): Delete.
4168 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4169 instead of is_valid_const_index.
4170 <ARRAY_RANGE_REF>: New case.
4171 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4172 is_valid_const_index.
4173 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4174 (scan_dump): Dump info for groups too.
4175 (decide_instantiation_1): Likewise.
4176 (decide_block_copy): Assert that the element is not a group.
4177 Propagate decision to groups.
4178 (generate_one_element_ref): Handle RANGE_EXPR.
4179 (mark_no_warning): Iterate over actual childs.
4180 (generate_copy_inout): Likewise.
4181 (generate_element_copy): Likewise.
4182 (generate_element_zero): Likewise.
4183 (generate_element_init_1): Likewise.
4184 (dump_sra_elt_name): Handle RANGE_EXPR.
4186 2006-07-03 Roger Sayle <roger@eyesopen.com>
4188 PR tree-optimization/26251
4189 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4190 (thread_block): When optimizing for size refuse to thread jumps
4191 that would require duplication of blocks other than redirection
4194 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4196 * configure.ac: Fix thinko in previous check-in.
4197 * configure: Regenerate.
4199 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4202 * configure.ac (for lang...): Simplify nesting of conditionals.
4203 Test subdir_requires for non-enabled languages. Move processing
4204 of lang_opt_files and lang_tree_fiels below that test.
4205 * configure: Regenerate.
4206 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4208 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4210 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4212 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4214 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4217 2006-06-29 Jason Merrill <jason@redhat.com>
4224 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4225 * c-common.c (c_determine_visibility): Handle it here.
4226 * c-decl.c (finish_decl): Call c_determine_visibility for
4228 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4230 * varasm.c (default_assemble_visibility): Likewise.
4231 * c-common.c (handle_visibility_attribute): Complain about trying
4232 to give visibility to an already defined class, or trying to change
4233 declared visibility. Always attach the attribute.
4238 * attribs.c (decl_attributes): Ignore type-in-place attributes
4239 once the type has been defined.
4241 2006-06-29 Roger Sayle <roger@eyesopen.com>
4244 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4245 to indicate the cpplib has issued an error message for us.
4247 2006-06-29 Asher Langton <langton2@llnl.gov>
4250 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4251 insert a label at the end of an function under Mach-O.
4253 2006-06-29 Eric Christopher <echristo@apple.com>
4254 Evan Cheng <evan.cheng@apple.com>
4256 * predicates.md (vector_all_ones_operand): New.
4257 (nonimmediate_or_sse_const_operand): Ditto.
4258 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4259 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4260 (standard_sse_mode_p): Ditto.
4261 (standard_sse_constant_p): Add case for -1 vector.
4262 (ix86_expand_vector_move): Try to use.
4263 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4264 Call standard_sse_constant_opcode.
4265 (*movv4sf_internal): Ditto.
4266 (*movv2df_internal): Ditto.
4268 2006-06-29 Roger Sayle <roger@eyesopen.com>
4270 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4271 of XEXP to extract the operands of a MATCH_CODE rtx.
4273 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4275 * tree.c (tree_size): Do not waste tail padding in
4276 struct tree_string and make the size be the same as
4277 build_string will generate.
4279 2006-06-28 Jason Merrill <jason@redhat.com>
4282 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4283 may_aliases already in the tag's annotations to the bitmap.
4285 2006-06-28 Roger Sayle <roger@eyesopen.com>
4287 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4289 2006-06-28 Roger Sayle <roger@eyesopen.com>
4291 * genpreds.c (generate_switch_p): New function.
4292 (add_mode_tests): Push the new mode test down inside an AND expr
4293 if this allows the switch-suitable MATCH_CODE to be near the root.
4294 (write_match_code_switch): New function to write a MATCH_CODE as
4296 (write_predicate_stmts): New function to write a predicate RTX
4297 expression as a sequence of statements.
4298 (write_one_predicate_function): Use write_predicate_stmts.
4299 (write_tm_constrs_h): Likewise.
4301 2006-06-26 Fred Fish <fnf@specifix.com>
4303 * config/mips/t-sb1: New file.
4304 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4307 2006-06-26 DJ Delorie <dj@redhat.com>
4309 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4311 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4312 Jayant Sonar <jayants@kpitcummins.com>
4313 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4315 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4316 (subsi3, subsi3_1, subsi3_2): New.
4317 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4318 * config/m32c/mov.md (SI mov peephole): New.
4319 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4320 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4322 2006-06-26 Olivier Hainque <hainque@adacore.com>
4324 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4325 a CALL_EXPR target function declaration.
4327 2006-06-26 Richard Guenther <rguenther@suse.de>
4329 * tree.c (build_string): Do not waste tail padding in
4332 2006-06-26 Richard Guenther <rguenther@suse.de>
4334 * ggc-page.c (init_ggc): Add missing element to size_lookup
4338 2006-06-23 Richard Guenther <rguenther@suse.de>
4340 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4341 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4342 alignment requests instead. Add verification code.
4343 Add struct tree_function_decl and struct tree_binfo size to
4344 extra_order_size_table. Add missing element to size_lookup
4347 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4350 * fold-const.c (const_binop): Be prepared for self returning zero.
4351 Simplify code handling complex values.
4353 2006-06-24 Olivier Hainque <hainque@adacore.com>
4355 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4356 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4359 2006-06-24 Olivier Hainque <hainque@adacore.com>
4361 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4362 ARRAY_REF, so have the callback called for the low bound expression.
4364 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4366 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4367 * c-typeck.c (c_common_type): Disallow operations on decimal float
4368 types and other float types.
4369 * convert.c (convert_to_real): Don't ignore conversions involving
4370 decimal float types.
4372 2006-06-23 Olivier Hainque <hainque@adacore.com>
4374 * tree.c (max_int_size_in_bytes): New function, inspired from
4375 code in function.c:assign_temp.
4376 * tree.h (max_int_size_in_bytes): Declare.
4377 * function.c (assign_temp): Use it.
4378 * gimplify.c (create_tmp_var): Relax the assertions on the type
4379 properties, not mandating constant size any more.
4380 (force_constant_size): New static function.
4381 (gimple_add_tmp_var): Use it, forcing variable size to a
4382 constant upper bound if it is not constant on entry.
4384 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4387 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4388 for initialization and setting of one_only flag to ...
4389 (i386_pe_encode_section_info): ...here.
4390 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4391 Recheck that the symbol has not been defined.
4393 2006-06-23 Richard Guenther <rguenther@suse.de>
4395 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4396 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4397 alignment requests instead. Add verification code.
4398 Add struct tree_function_decl and struct tree_binfo size to
4399 extra_order_size_table. Add missing element to size_lookup
4402 2006-06-22 Roger Sayle <roger@eyesopen.com>
4403 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4406 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4407 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4409 2006-06-23 Ben Elliston <bje@au.ibm.com>
4411 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4412 negate dn -- manipulate it directly.
4414 2006-06-22 Roger Sayle <roger@eyesopen.com>
4415 Steven Bosscher <stevenb.gcc@gmail.com>
4418 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4419 generated by gen_move_insn to add REG_LABEL notes if necessary.
4421 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4423 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4424 (leaf_entry): Remove use of MIN_ESA.
4426 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4428 PR rtl-optimization/28121
4429 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4432 2006-06-21 DJ Delorie <dj@redhat.com>
4434 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4436 (mulhisi3_r): Likewise.
4438 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4441 * coverage.c (coverage_counter_alloc): Leave the index type
4443 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4446 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4448 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4449 section from the "Options for Code Generation Conventions".
4451 2006-06-21 Richard Henderson <rth@redhat.com>
4455 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4457 (global_symbolic_operand): Allow weak symbols, even if local_p.
4459 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4461 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4462 (find_interesting_uses_address): Punt if above function returns true.
4464 2006-06-21 Richard Guenther <rguenther@suse.de>
4466 * configure: Regenerated.
4468 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4470 * config/mips/mips.c (function_arg): Where one part of a
4471 complex argument is in registers and the other part in the stack,
4472 return a REG not a PARALLEL.
4474 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4476 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4477 when cross-compiling. Do not substitute libstdcxx_incdir.
4478 * configure: Regenerated.
4480 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4482 * varasm.c (mergeable_string_section): Check for embedded NULs and
4483 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4484 rather than TREE_STRING_LENGTH bytes.
4486 2006-06-21 Richard Guenther <rguenther@suse.de>
4488 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4489 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4492 2006-06-21 Richrad Guenther <rguenther@suse.de>
4494 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4495 Limit iteration over the dominators.
4497 2006-06-20 Roger Sayle <roger@eyesopen.com>
4499 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4500 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4502 2006-06-20 Richard Guenther <rguenther@suse.de>
4503 Michael Matz <matz@suse.de>
4505 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4507 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4508 * et-forest.h (et_free_pools): Prototype new function.
4509 * et-forest.c (et_free_tree_force): Free parent occurrence.
4510 (et_free_pools): New function.
4511 * dominance.c (free_dominance_info): Free et-forest alloc
4514 2006-06-20 Roger Sayle <roger@eyesopen.com>
4516 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4517 integer modes, attempt to directly construct an integer constant.
4519 * fold-const.c (native_encode_vector): Determine the size of each
4520 element from the vector type instead of the first vector element.
4522 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4523 if all of its elements/components are constant.
4524 (build_constructor_from_list): Likewise.
4526 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4528 PR tree-optimization/27331
4529 * tree-data-ref.c (free_data_ref): New function.
4530 (create_data_ref): Fail if the data reference has unknown access
4532 (free_data_refs): Use free_data_ref.
4534 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4537 * tree-inline.c (setup_one_parameter): Strip useless
4538 type conversion before adding it to the IR.
4539 (declare_return_variable): Likewise.
4541 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4544 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4546 2006-06-19 Mike Stump <mrs@apple.com>
4548 * tree.c (variably_modified_type_p): VM arguments don't make the
4551 2006-06-19 Richard Guenther <rguenther@suse.de>
4553 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4554 type conversions after folding.
4556 2006-06-19 Richard Guenther <rguenther@suse.de>
4558 * ggc-page.c (extra_order_size_tab): Add entries with
4559 size of struct function and basic_block.
4560 (size_lookup): Extend to cover sizes up to 511.
4561 (ggc_alloc_stat): Adjust user.
4562 (ggc_pch_count_object): Likewise.
4563 (ggc_pch_alloc_object): Likewise.
4564 (ggc_pch_write_object): Likewise.
4566 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4568 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4569 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4572 2006-06-19 Denis Chertykov <denisc@overta.ru>
4574 * config/avr/libgcc.S : Correct my wrong previous commit.
4576 2006-06-19 Roger Sayle <roger@eyesopen.com>
4579 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4580 have stripped a SUBREG from the shift count, so we may need to
4581 convert_to_mode back to the type's mode before calling make_tree.
4582 Use new_amount instead of amount to avoid expanding a tree twice.
4584 2006-06-19 Richard Guenther <rguenther@suse.de>
4587 * fold-const.c (operand_equal_p): Check if the argument types
4588 have the same precision before stripping NOPs.
4590 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4592 Fix PR tree-optimization/27341
4593 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4595 * tree-complex.c (pass_lower_complex): Update SMT usage.
4597 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4599 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4600 Add a new alternative to the constraint strings. Add move of
4601 operand 1 to 3 to the splitter definition.
4602 ("doloop_si_long"): Second contraint alternative removed.
4604 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4606 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4607 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4609 (AVR_HAVE_MOVW) Define.
4610 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4611 (ASM_SPEC): Add avr25.
4612 (LINK_SPEC): Add avr25.
4613 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4614 (base_arch_s): Add new member 'have_movw_lpmx'.
4615 (avr_arch_types): Init 'have_movw_lpmx'.
4616 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4617 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4618 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4619 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4620 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4622 (avr_file_start): Do not output '.arh' derective.
4623 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4624 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4625 * config/avr/avr.md (mcu_enhanced): Delete.
4626 (mcu_have_movw): Define.
4627 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4628 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4629 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4630 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4631 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4632 attiny861 and at86rf401 devices.
4634 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4636 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4639 2006-06-17 Karl Berry <karl@gnu.org>
4641 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4642 doc/gccint.texi, doc/install.texi (@dircategory): Use
4643 "Software development" instead of "Programming", following
4644 the Free Software Directory.
4646 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4648 * config/i386/i386.c (legitimate_tls_address)
4649 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4650 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4651 (*tls_dynamic_gnu2_combine_64): Likewise.
4653 2006-06-16 Richard Guenther <rguenther@suse.de>
4656 * fold-const.c (negate_expr_p): Do not introduce undefined
4657 overflow in negating INTEGER_CSTs.
4658 (fold_negate_expr): Rename from negate_expr. Revert last
4659 change for folding BIT_NOT_EXPR. Change semantics to
4660 return NULL_TREE for non-simplified negations. Do not
4661 strip type conversions and unify type handling.
4662 (negate_expr): New function, wrap around fold_negate_expr
4663 but ensure building a tree always. Strip type conversions
4664 here, fold to result type.
4665 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4667 2006-06-16 Roger Sayle <roger@eyesopen.com>
4670 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4671 that (would) return their results in stack registers.
4673 2006-06-16 Michael Matz <matz@suse.de>
4674 Richard Guenther <rguenther@suse.de>
4676 * fold-const.c (fold_truthop): Only return new tree node if
4677 we canonicalized something.
4679 2006-06-16 Richard Guenther <rguenther@suse.de>
4681 * function.h (enum function_frequency): Move declaration
4682 out of struct function.
4683 (struct function): Move bool fields and the enum to the bitfield
4684 section. Reorder elements to avoid padding. Remove unused
4685 fields left over from the RTL inliner removal.
4686 * function.c (free_after_compilation): Do not zero removed fields.
4687 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4688 (ipa-type-escape.o): Likewise.
4690 2006-06-16 Richard Guenther <rguenther@suse.de>
4692 * cgraph.h (struct cgraph_local_info): Turn bool elements
4694 (struct cgraph_node): Likewise.
4695 (struct cgraph_varpool_node): Likewise.
4697 2006-06-15 Richard Guenther <rguenther@suse.de>
4699 * fold-const.c (fold_truth_not_expr): Rename from
4700 invert_truthvalue. Give it fold_* semantics to avoid
4702 (invert_truthvalue): New function. Wrapper around
4703 fold_truth_not_expr.
4704 (optimize_minmax_comparison): Avoid creating garbage.
4705 (fold_unary): Use fold_truth_not_expr for folding
4707 (fold_ternary): Replace uses of invert_truthvalue with
4708 fold_truth_not_expr where applicable.
4709 * tree.h (fold_truth_not_expr): Prototype.
4711 2006-06-16 Richard Guenther <rguenther@suse.de>
4713 PR tree-optimization/27781
4714 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4715 * ipa-pure-const.c (target.h): Include.
4716 (analyze_function): Do not analyze functions that do not
4719 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4722 * tree-dfa.c (referenced_vars_dup_list): Remove.
4723 (find_referenced_vars): Remove assert.
4724 (referenced_var_check_and_insert): Replace dup list with assert.
4725 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4726 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4728 2006-06-15 Richard Guenther <rguenther@suse.de>
4730 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4731 extra unused identifiers if not dumping.
4732 (create_variable_info_for): Likewise.
4734 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4736 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4737 (derive_constant_upper_bound): Derive more precise upper bound in
4738 common cases. Return type changed to double_int.
4739 (record_estimate): Reflect the changed return type of
4740 derive_constant_upper_bound.
4741 * double-int.c (double_int_zext, double_int_sext): Fix.
4743 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4745 * configure.ac (CFLAGS): Get them from the toplevel or from the
4746 configure invocation.
4747 * configure: Regenerate.
4748 * Makefile.in (CFLAGS): Substitute value provided by configure.
4750 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4753 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4754 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4755 rather than calling add_stmt on it.
4756 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4758 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4761 * reload1.c (reload): Remove registers returned by update_eliminables
4762 from used_spill_regs.
4764 2006-06-13 DJ Delorie <dj@redhat.com>
4766 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4768 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4770 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4771 html__strip_dir, html__mkdir_p. Enhance install-html target.
4772 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4773 * configure: Regenerate.
4775 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4777 * fold-const.c (fold_cond_expr_with_comparison): Check for
4778 Objective-C++ as language in deciding COND_EXPR transformation.
4780 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4783 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4784 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4785 * config/sh/lib1funcs.h (SL, SL1): Define.
4786 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4787 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4788 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4789 (OBJS_Os_4_200): New variable.
4790 ($(T)libgcc-Os-4-200.a): Use it.
4791 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4792 when dividing 1 and/or by 0.
4794 2006-06-13 Roger Sayle <roger@eyesopen.com>
4796 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4797 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4798 * configure: Regenerate.
4800 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4802 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4803 for real instruction.
4805 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4808 * haifa-sched.c (check_cfg): Handle special case.
4810 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4813 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4814 Add debug_info parameter. Chain the vars to the BLOCK instead
4815 of the BIND_EXPR if debug info are requested for them.
4816 (pop_gimplify_context): Adjust for above change.
4817 (gimple_add_tmp_var): Likewise.
4818 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4820 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4821 (convert_local_reference): Likewise.
4822 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4823 (finalize_nesting_tree_1): Request that debug info be emitted
4824 for debug_var_chain.
4826 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4828 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4829 for PR target/27863.
4831 2006-06-13 Richard Guenther <rguenther@suse.de>
4834 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4836 2006-06-13 Richard Guenther <rguenther@suse.de>
4838 PR tree-optimization/27830
4839 * tree-inline.c (copy_body_r): For copying the operand
4840 of an ADDR_EXPR make sure to fold &* afterwards.
4842 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4844 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4845 lvalues in the fb_none case with side-effects.
4847 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4849 * tree-flow.h: Remove the prototype for
4850 compute_phi_arg_on_exit.
4851 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4852 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4855 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4857 * builtins.c (expand_builtin_return_addr): Only use
4858 frame_pointer_rtx when count == 0 and we are expanding
4859 __builtin_return_address.
4861 2006-06-12 Fred Fish <fnf@specifix.com>
4863 * config/mips/mips.c (mips_file_start): Create special section
4864 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4866 2006-06-11 Eric Christopher <echristo@apple.com>
4869 * stor-layout.c (place_field): Remove check for
4870 remaining_in_alignment when aligning at the end of a run.
4872 2006-06-11 Eric Christopher <echristo@apple.com>
4875 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4878 2006-06-11 Roger Sayle <roger@eyesopen.com>
4881 Revert incorrect fix for PR target/27158
4882 2006-05-08 Roger Sayle <roger@eyesopen.com>
4883 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4884 of a reg_equiv_constant if the result is a legitimate constant.
4886 2006-06-11 Roger Sayle <roger@eyesopen.com>
4889 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4890 extract a CONST_VECTOR element and interpret it as an integer.
4891 (vspltis_constant): Use const_vector_elt_as_int instead of the
4892 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4893 * config/rs6000/predicates.md (easy_vector_const): Consider
4894 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4896 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4899 * stor-layout.c (update_alignment_for_field): Don't add extra
4900 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4903 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4905 * config/mips/t-rtems: Add EL/EB multilib variants.
4907 2006-06-09 Mike Stump <mrs@apple.com>
4909 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4911 2006-06-09 David Daney <ddaney@avtrex.com>
4913 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4915 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4917 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4919 2006-06-09 Richard Guenther <rguenther@suse.de>
4921 PR tree-optimization/26998
4922 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4923 of signed types, only TYPE_MIN_VALUE is special, but for both,
4924 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4925 in this case, as is -fwrapv.
4927 2006-06-08 Mike Stump <mrs@apple.com>
4930 * config/darwin.c (darwin_asm_output_anchor): Disable
4931 -fsection-anchors on darwin for now.
4932 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4933 * rs6000/rs6000.c (optimization_options): Likewise.
4935 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4938 * config/i386/i386.c (classify_argument): Skip fields with invalid
4941 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4943 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4944 (cse_insn): Likewise for the stack_pointer_rtx.
4946 2006-06-08 Roger Sayle <roger@eyesopen.com>
4948 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4949 conditions from floating point comparisons.
4951 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4954 * expmed.c (struct alg_hash_entry): Fix type of field T
4955 to match synth_mult argument.
4956 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4958 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4961 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4964 2006-06-08 Richard Guenther <rguenther@suse.de>
4967 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4968 only, if overflow is defined and not trapping.
4969 (negate_expr): Likewise.
4971 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4973 PR tree-optimization/27872
4974 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4975 flag on the new exit edge of the unrolled loop.
4977 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4979 PR rtl-optimization/26449
4980 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4982 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4985 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4986 referenced_variables with matching DECL_UID's.
4987 (find_referenced_vars): Make sure duplicate list is empty to start.
4988 (referenced_var_p): Remove.
4989 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4990 Check if var is in the list, and add if needed. Update the duplicate
4991 list if a different var is in the list with the same DECL_UID.
4992 (add_referenced_var): Call routine to check and insert.
4993 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4994 * tree-flow.h (referenced_vars_dup_list): External declaration.
4996 2006-06-07 Fred Fish <fnf@specifix.com>
4998 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5001 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5004 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5005 the imaginary and real parts of a clobbered register.
5006 Emit insn to set the imaginary part.
5008 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5010 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5011 in lieu of unwind-dw2-fde.c.
5013 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5015 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5017 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5020 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5021 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5022 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5023 V4SImode temporaries and operations instead.
5025 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5027 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5030 2006-06-06 Mike Stump <mrs@apple.com>
5032 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5033 installing during build.
5035 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5037 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5039 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5040 * config/ia64/ia64.c (params.h): New header.
5041 (ia64_optimization_options): New function to adjust parameters.
5042 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5043 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5044 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5046 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5048 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5050 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5053 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5055 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5056 Victor Kaplansky <victork@il.ibm.com>
5058 PR tree-optimization/26360
5059 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5062 2006-06-04 Roger Sayle <roger@eyesopen.com>
5063 Andrew Pinski <pinskia@physics.uc.edu>
5066 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5067 for LABEL_DECL before calling DECL_WEAK.
5070 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5071 LABEL_DECL and PARM_DECL.
5073 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5077 * c-decl.c (grokdeclarator): Disallow variably modified types at
5078 file scope. Avoid marking shared array type of constant size as
5081 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5084 * c-common.c (fold_offsetof_1): Handle static members.
5086 2006-06-04 Eric Christopher <echristo@apple.com>
5088 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5089 (debug_rli): Output value for remaining_in_alignment.
5090 (update_alignment_for_field): Unconditionalize
5091 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5092 extra alignment code.
5093 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5094 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5095 * tree.h (record_layout_info_s): Remove prev_packed.
5096 * doc/extend.texi (ms_struct): Add documentation of format.
5098 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5100 * tree.h: Declare folding_initializer.
5101 * builtins.c (fold_builtin_constant_p): Give definite answer
5102 if folding inside an initializer.
5103 * fold-const.c: Define folding_initializer.
5104 (START_FOLD_INIT): Save and then set folding_initializer.
5105 (END_FOLD_INIT): Restore folding_initializer.
5107 2006-06-04 Richard Guenther <rguenther@suse.de>
5109 PR tree-optimization/27039
5110 * fold-const.c (fold_comparison): Handle pointer comparison
5111 again for all comparison codes. Compare offsets in signed
5113 (fold_binary): Move code from here.
5115 2006-06-03 Roger Sayle <roger@eyesopen.com>
5118 * config/i386/i386.c (construct_container): Split static issued_error
5119 flag into issued_sse_arg_error, issued_sse_ret_error and
5120 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5121 requires the use of x87 registers and the user explicitly
5122 specified the -mno-80387 command line option.
5124 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5126 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5127 HAVE_DECL_SIGALTSTACK.
5129 (segv_handler): Use MC_FLD.
5130 * configure.ac: Check for a sigaltstack declaration.
5131 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5132 * configure: Regenerate.
5133 * config.in: Regenerate.
5135 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5138 * Makefile.in (stmp-fixinc): Fix typo.
5140 2006-06-02 Roger Sayle <roger@eyesopen.com>
5142 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5143 are type correct. Clean-up.
5144 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5145 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5147 2006-06-01 DJ Delorie <dj@redhat.com>
5149 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5150 shift, as we've disabled the "switch" insn that needs it.
5152 2006-06-01 Per Bothner <bothner@bothner.com>
5154 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5155 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5156 * c-ppoutput.c (cb_define): Don't increment line 0.
5158 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5160 * doc/invoke.texi: Add cpu_type power6.
5161 * config.gcc: Add cpu_type power6.
5162 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5163 to power5+ with Altivec.
5164 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5165 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5167 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5169 * config/avr/avr.h (SET_ASM_OP): Define.
5171 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5173 * config/bfin/bfin.c: Fix comment typos.
5175 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5178 * doc/install.texi: Document --enable-bootstrap and
5179 --disable-bootstrap.
5181 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5183 * doc/install.texi: Document that InfoZIP can replace jar.
5185 2006-05-31 Roger Sayle <roger@eyesopen.com>
5187 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5188 isn't available, directly generate the simpler x87 patterns without
5189 the (use (const_int 0)).
5190 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5191 implementation isn't available.
5192 (*negdf2_1): Likewise.
5193 (*negxf2_1): XF mode negation is always done using the x87.
5194 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5196 2006-05-31 Roger Sayle <roger@eyesopen.com>
5198 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5199 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5201 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5203 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5205 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5206 * config/bfin/bfin.c (basic-block.h): Include.
5207 (struct machine_function): New.
5208 (bfin_init_machine_status): New.
5209 (override_options): Initialize init_machine_status.
5210 (bfin_hardware_loop): New.
5211 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5212 (DEF_VEC_P (loop_info)): New.
5213 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5214 (struct loop_info): New.
5215 (loop_info): New typedef.
5216 (struct loop_work): New.
5217 (loop_work): New typedef.
5218 (DEF_VEC_O (loop_work)): New.
5219 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5220 (bfin_dump_loops): New.
5221 (bfin_bb_in_loop): New.
5222 (bfin_scan_loop): New.
5223 (bfin_optimize_loop): New.
5224 (bfin_reorg_loops): New.
5225 (bfin_reorg): Use bfin_reorg_loops.
5226 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5228 (I_REGNO_P): Simplify.
5229 (DP_REGNO_P, DPREG_P): New macros.
5230 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5231 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5232 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5233 Add LT_REGS, LC_REGS, LB_REGS.
5234 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5236 (REGNO_REG_CLASS): Deal with loop registers.
5237 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5239 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5240 New constants for loop registers.
5241 (UNSPEC_LSETUP_END): New.
5242 (seq_insns): New define_attr. Set it for appropriate insns.
5243 (movsi_insn): Add alternatives for move from/to
5244 loop count registers.
5245 (doloop_end): New define_expand.
5246 (loop_end): New define_insn.
5247 (define_split for bad doloop_end): New.
5248 (lsetup_with_autoinit): New define_insn.
5249 (lsetup_without_autoinit): New define_insn.
5250 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5251 * config/bfin/predicates.md (lc_register_operand): New.
5252 (lt_register_operand): New.
5253 (lb_register_operand): New.
5254 (nondp_register_operand): New.
5255 (nondp_reg_or_memory_operand): New.
5256 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5258 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5260 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5261 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5263 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5265 * Makefile.in (CATALOGS): Add po/ prefix.
5266 * configure: Regenerated.
5268 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5271 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5272 a shift operand before calling shift_op. Avoid redundant call of
5275 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5276 DJ Delorie <dj@redhat.com>
5278 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5279 we're inserting is a singlt-bit constant.
5281 2006-05-30 Roger Sayle <roger@eyesopen.com>
5283 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5284 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5286 2006-05-30 Roger Sayle <roger@eyesopen.com>
5288 PR tree-optimization/23452
5289 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5290 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5291 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5292 complex values and with -ffast-math for FP complex values.
5294 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5296 * c-common.h: Remove the prototype for yyparse.
5297 * rtl.h: Remove the prototype for init_loop.
5299 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5301 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5304 2006-05-30 Roger Sayle <roger@eyesopen.com>
5306 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5308 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5309 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5311 2006-05-30 Dirk Mueller <dmueller@suse.de>
5314 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5315 for CONSTANT_CLASS_P expresisons.
5317 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5320 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5322 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5324 PR tree-optimization/27779
5325 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5326 initial_condition instead of CHREC_LEFT.
5328 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5330 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5331 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5332 Make prototypes ISO C90.
5334 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5335 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5337 * see.c (see_analyze_one_def): Correct check.
5338 (see_get_extension_data): Check if extension is parallel.
5339 (see_get_extension_reg): Likewise.
5341 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5344 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5345 into register for (code == GTU).
5347 2006-05-29 Roger Sayle <roger@eyesopen.com>
5349 PR tree-optimization/24964
5350 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5351 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5352 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5353 abs(x)*abs(x) as x*x for scalar floating point modes.
5355 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5358 * lambda-code.c (perfect_nestify): Don't copy statements
5359 in the inner loop: move them to the inner loop header.
5361 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5364 * c-tree.texi: Document OpenMP directives and clauses.
5366 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5368 * varasm.c (globalize_decl): Fix indentation.
5370 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5373 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5374 pass_fre, pass_store_ccp, pass_copy_prop,
5375 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5376 pass_return_slot, pass_object_size, pass_lim,
5377 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5378 pass_loop_prefetch and pass_stdarg.
5380 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5382 * config/bfin/bfin.opt (mfdpic): New option.
5383 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5384 (EXTRA_MULTILIB_PARTS): Likewise.
5385 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5386 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5388 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5389 (CRT_CALL_STATIC_FUNCTION): New.
5390 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5392 (CRT_CALL_STATIC_FUNCTION): New.
5393 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5395 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5396 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5397 (initialize_trampoline): Changed to handle FD-PIC code generation.
5398 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5399 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5400 (override_options): Disallow -mid-shared-library -mfdpic combination.
5401 Can't do unaligned ops if FD-PIC.
5402 Turn off flag_pic if trying to generate non-id-shared-library
5403 non-fdpic code, since it's not supported.
5404 (bfin_assemble_integer): New function.
5405 (TARGET_ASM_INTEGER): Define.
5406 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5408 * config/bfin/crtn.s: Restore them.
5409 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5411 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5412 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5413 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5414 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5415 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5417 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5418 FDPIC_REGS and FDPIC_FPTR_REGS.
5419 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5420 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5421 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5422 (load_funcdescsi): New pattern.
5423 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5424 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5425 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5427 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5429 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5432 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5434 * tree-flow.h: Remove the prototype for add_type_alias.
5435 * tree-ssa-alias.c (add_type_alias): Remove.
5437 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5439 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5440 config/fr30/fr30.md, config/i386/i386-interix.h,
5441 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5442 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5443 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5444 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5445 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5446 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5447 Follow spelling conventions.
5448 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5449 Follow spelling conventions.
5451 2006-05-27 Richard Guenther <rguenther@suse.de>
5454 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5455 to produce a constant of value 1 of generic type.
5457 2006-05-27 Dirk Mueller <dmueller@suse.de>
5459 * cgraphunit.c (decide_is_function_needed): Fix wrong
5462 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5464 PR rtl-optimization/27661
5465 * reload.c (find_reloads): When reloading a VOIDmode constant
5466 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5467 use Pmode as mode of the reload register.
5469 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5471 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5472 is enabled at -O and above.
5474 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5477 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5480 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5483 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5484 for anonymous variables explicitly declared by front ends.
5486 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5488 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5489 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5490 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5491 ref-all pointers, run a finalization pass for them.
5492 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5493 (finalize_ref_all_pointers): New function.
5494 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5495 regular pointer type to a ref-all pointer type.
5496 (get_tmt_for): Return the special memory tag for ref-all pointers.
5498 2006-05-25 Richard Guenther <rguenther@suse.de>
5501 * fold-const.c (fold_binary): Do not look at the stripped
5502 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5504 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5506 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5507 for LT and GT if the computed range is effectively empty.
5509 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5512 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5513 mips_quad_format formats instead of ieee_single_format,
5514 ieee_double_format and ieee_quad_format formats, respectively.
5516 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5518 PR tree-optimization/27639
5519 PR tree-optimization/26719
5520 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5521 call to scev_probably_wraps_p.
5522 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5523 used_in_pointer_arithmetic_p, convert_step): Removed.
5524 (nowrap_type_p): New function.
5525 (scev_probably_wraps_p): Rewritten.
5526 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5527 chrec_convert if chrec_convert_aggressive might have been used.
5528 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5529 scev_direction): New functions.
5530 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5531 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5532 instead of convert_step.
5533 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5534 (convert_step): Declaration removed.
5535 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5537 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5539 * df-core.c: Added to header comments.
5540 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5541 df_ur_bb_info, df_urec_bb_info): Added comments.
5542 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5543 urec, ri problems): Fixed header comments.
5544 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5545 code from df_rd_transfer_function.
5547 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5549 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5550 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5551 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5553 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5555 * expr.c (undefined_operand_subword_p): New.
5556 (emit_move_multi_word): Do not generate move from undefined bits
5557 of a paradoxical subreg.
5559 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5561 PR rtl-optimization/27736
5562 * combine.c (replaced_rhs_value): New variable.
5563 (combine_instructions): Set it.
5564 (distribute_notes): When distributing a note in replaced_rhs_insn,
5565 check whether the value was used in replaced_rhs_value.
5567 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5570 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5571 add_referenced_var instead of add_referenced_tmp_var.
5572 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5573 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5575 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5576 tree_optimize_tail_calls_1): Use add_referenced_var.
5577 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5578 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5579 Use add_referenced_var.
5580 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5581 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5582 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5583 Use add_referenced_var.
5584 * tree-dfa.c (struct walk_state): Remove.
5585 (find_referenced_vars): Remove walk state and vars_found hash table.
5586 (make_rename_temp): Use add_referenced_var.
5587 (find_vars_r): Pass less parameters to add_referenced_var.
5588 (referenced_var_p): New. Is var in referenced_var hash table.
5589 (referenced_var_insert): Assert var isn't already in hash table.
5590 (add_referenced_var): Don't need walk_state parameter. Add var if it
5591 isn't already in the hash table.
5592 (add_referenced_tmp_var): Remove.
5593 (find_new_referenced_vars_1): Use add_referenced_var.
5594 * tree-ssa-pre.c (create_expression_by_pieces,
5595 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5596 Use add_referenced_var.
5597 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5598 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5599 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5601 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5602 vect_create_data_ref_ptr, vect_create_destination_var,
5603 vect_init_vector, vect_build_loop_niters,
5604 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5605 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5606 Use add_referenced_var.
5607 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5608 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5609 (add_referenced_var): Add prototype.
5610 * tree-ssa-structalias.c (get_constraint_for,
5611 intra_create_variable_infos): Use add_referenced_var.
5613 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5615 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5616 big-endian paradoxical subregs.
5617 * var-tracking.c (struct micro_operation_def): Document that,
5618 for modify micro operations, insn is the subsequent instruction.
5619 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5620 (var_reg_set, var_mem_set): ... new functions.
5621 (add_stores): Record subsequent insn.
5622 (compute_bb_dataflow): Use new functions for MO_USE.
5623 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5624 notes after the insn, and modify notes before the insn known
5625 to be the subsequent one.
5626 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5628 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5631 * config/i386/i386.c (ix86_expand_builtin): Use
5632 gen_sse3_monitor64 for TARGET_64BIT.
5634 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5636 PR rtl-optimization/26375
5637 PR rtl-optimization/26855
5638 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5640 (df_ru_bb_local_compute): Reversed statements and removed bogus
5641 comment explaining why they should be in wrong order.
5642 (df_ru_dump, df_rd_dump): Enhanced debug info.
5643 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5645 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5646 reaching uses and fixed space problem.
5648 2006-05-23 Jan Hubicka <jh@suse.cz>
5650 * cgraphunit.c (decide_is_function_needed): Also nested functions
5651 and functions declared inline can be optimized out at -O0.
5653 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5655 * doc/install.texi (Configuration): Remove reference to CrossGCC
5659 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5662 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5663 ix86_compare_emitted is non-NULL.
5665 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5668 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5671 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5673 PR rtl-optimization/25514
5674 * combine.c (replaced_rhs_insn): New variable.
5675 (combine_instructions): Set replaced_rhs_insn when trying to replace
5676 a SET_SRC with a REG_EQUAL note.
5677 (distribute_notes): Use replaced_rhs_insn when determining the live
5678 range of a REG_DEAD register.
5680 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5681 Anatoly Sokolov <aesok@post.ru>
5683 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5684 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5685 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5686 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5687 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5688 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5689 at90usb647, at90usb1286 and at90usb1287 devices.
5690 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5691 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5693 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5695 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5697 2006-05-22 Richard Guenther <rguenther@suse.de>
5700 2006-01-31 Richard Guenther <rguenther@suse.de>
5701 Paolo Bonzini <bonzini@gnu.org>
5703 * doc/install.texi (--disable-libgcc-math): Document.
5705 2006-05-22 Richard Guenther <rguenther@suse.de>
5708 2006-01-31 Richard Guenther <rguenther@suse.de>
5710 * doc/invoke.texi (-msselibm): Document.
5711 * target.h (expand_library_builtin): New target hook.
5712 * builtins.c (expand_builtin): Use expand_library_builtin.
5713 (default_expand_library_builtin): New function.
5714 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5715 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5716 (link_gcc_math_spec): Declare.
5717 (static_specs): Add link_gcc_math_spec.
5718 * expr.h (default_expand_library_builtin): Declare.
5719 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5720 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5721 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5722 * config/i386/i386.opt (msselibm): New target option.
5723 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5724 (ix86_init_sse_abi_builtins): New function.
5725 (ix86_expand_library_builtin): Likewise.
5726 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5727 (override_options): Handle error conditions wrt -msselibm.
5728 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5729 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5730 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5733 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5736 * c-common.c (self_promoting_args_p): Skip erroneous args.
5739 * c-decl.c (finish_struct): Skip erroneous fields.
5741 2006-05-22 Nick Clifton <nickc@redhat.com>
5743 * config/cris/cris.opt (march): Remove VarExists attribute.
5744 (max-stackframe=): Likewise.
5746 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5748 * doc/rtl.texi: Fix a typo.
5749 * see.c: Fix comment typos.
5751 * tree-ssa-structalias.h (alias_info): Remove num_references.
5753 2006-05-21 Mike Stump <mrs@apple.com>
5755 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5757 (darwin_pragma_options): Use BAD instead.
5758 (darwin_pragma_unused): Likewise.
5759 (darwin_pragma_ms_struct): Likewise.
5761 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5763 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5765 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5767 PR rtl-optimization/27671
5768 * simplify-rtx.c (simplify_relational_operation_1): Fix
5769 simplifications of (eq/ne (xor x y) y) and
5770 (eq/ne (xor x y) x).
5772 PR tree-optimization/26622.
5773 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5776 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5778 * tree-cfg.c: Prune whitespace.
5779 (debug_tree_cfg): Point to correct header containing the
5782 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5785 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5787 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5790 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5791 or sorry count is non zero.
5793 2006-05-20 Andreas Schwab <schwab@suse.de>
5795 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5797 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5798 Kenneth Zadeck <zadeck@naturalbridge.com>
5800 PR rtl-optimization/26855
5802 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5804 (df_scan_alloc): Added code to properly handle multiword hard
5805 registers and add all_blocks parameter.
5806 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5807 code to properly handle multiword hard registers.
5808 (df_rescan_blocks): Added code to remove deleted blocks from
5810 (df_ref_create_structure, df_ref_record): Added code to properly
5812 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5813 and set DF_REF_PARTIAL.
5814 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5815 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5816 (df_scan_add_problem): Added flags parameter.
5817 (df_ref_create_structure): Changed switching structure.
5818 (df_bb_refs_record): Fixed case where duplicate artificial refs
5819 were created. Changed location of flags.
5820 (df_record_entry_block_defs): Added code to make stack pointer
5821 live in entry block. Refined cases where frame pointer is needed.
5822 Changed location of flags.
5823 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5824 (df_set_state): Removed function.
5825 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5826 df_insn_create_insn_record, df_insn_refs_delete,
5827 df_ref_create_structure): Formatting changes.
5828 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5829 df_delete_basic_block): New function.
5830 (df_init): Changed location of flags.
5831 (df_add_problem): Added flags parameter and the way flags are
5833 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5834 debug_df_chain): Improved debugging output.
5835 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5836 (df_refs_chain_dump): Removed df parameter.
5837 (df_iterative_dataflow): Added consistency check.
5838 (df_prune_to_subcfg): Made public.
5839 (df_analyze_problem): Added blocks_to_init parameter and made
5841 (df_ref_record, df_bb_refs_record, df_mark_reg,
5842 df_record_exit_block_uses): Whitespace changes.
5843 (df_dump): Whitespace changes.
5844 * df.h: Some reordering to remove forward references.
5845 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5846 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5847 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5848 (dataflow.flags): New field.
5849 (df.flag): Deleted field.
5850 (df_alloc_function): Added additional bitmap parameter.
5851 (df_dependent_problem_function): New type.
5852 (df_problem.changeable_flags): New field.
5853 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5854 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5855 (df_mw_hardreg): New struct.
5856 (DF_INSN_UID_MWS): New macro.
5857 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5859 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5860 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5861 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5862 (df_set_state): Removed function.
5863 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5864 * df-problems.c (df_chain_dump): Removed df parameter.
5865 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5866 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5868 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5869 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5870 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5871 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5872 DF_REF_MUST_CLOBBER cases.
5873 (df_ru_bb_local_compute_process_def,
5874 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5875 df_lr_bb_local_compute, df_ur_bb_local_compute,
5876 df_chain_create_bb): Made subreg aware.
5877 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5878 df_lr_bb_local_compute, df_lr_bb_local_compute,
5879 df_chain_create_bb): Cleanup to use proper macros.
5880 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5881 code to fixup bitvectors.
5882 (df_ri_alloc): Cleared lifetime.
5883 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5884 df_create_unused_note): New function.
5885 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5886 REG_DEAD and REG_UNUSED notes as well as register information.
5887 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5888 df_chains_dump): Fixed crash if problem was never run.
5889 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5890 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5891 df_ri_add_problem): Processes flags in uniform manner.
5892 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5893 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5894 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5895 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5896 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5897 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5898 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5899 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5900 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5901 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5902 * see.c (see_initialize_data): Ditto.
5903 * final.c (rest_of_clean_state) Added regstack_completed.
5904 * rtl.h (regstack_completed): Ditto.
5905 * reg-stack.c (regstack_completed): Ditto.
5907 2006-05-19 Mike Stump <mrs@apple.com>
5909 * c-tree.h (default_conversion): Remove.
5910 * c-common.h (default_conversion): Add.
5912 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5914 * tree-vrp.c (valid_value_p): New function.
5915 (adjust_range_with_scev): Fail if the value of bound is not
5918 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5920 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5921 (mips_fallback_frame_state): Use syscall numbers to determine
5922 the appropriate li instruction for the current ABI. Only use
5923 __NR_sigreturn for o32.
5925 2006-05-19 Nicolas Setton <setton@adacore.com>
5927 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5928 * langhooks.c (lhd_dwarf_name): New function.
5929 * langhooks-def.h (lhd_dwarf_name): Declare.
5930 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5931 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5932 * ada/misc.c (gnat_dwarf_name): New function.
5933 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5935 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5937 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5939 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5940 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5941 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5942 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5943 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5944 determine the size of Wtype, etc.
5945 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5946 (swfloatfuncs): New variable.
5947 (dwfloatfuncs): Likewise.
5948 (lib2funcs): Remove floating-point conversion functions from
5949 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5950 the set of conversion routines needed. Allow entries to specify
5951 an object name, filename and word size. Update users accordingly.
5952 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5953 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5957 2006-02-08 Roger Sayle <roger@eyesopen.com>
5960 * config/fixtfdi.c: New libgcc source file.
5961 * config/fixunstfdi.c: New source file.
5962 * config/floatditf.c: New source file.
5963 * config/floatunditf.c: New souce file.
5964 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5965 files above instead of config/mips/_tilib.c.
5966 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5968 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5970 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5971 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5973 2006-05-18 Mike Stump <mrs@apple.com>
5975 Fix up vla, vm and [*] sematics.
5981 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5982 (c_vla_unspec_p): Add.
5983 (c_vla_type_p): Add.
5984 * c-decl.c (struct c_scope): Add had_vla_unspec.
5985 (build_array_declarator): Add support for [*].
5986 (grokdeclarator): Likewise.
5987 (grokparms): Likewise.
5988 (get_parm_info): Likewise.
5989 * c-objc-common.c (c_vla_unspec_p): Likewise.
5990 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5991 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5992 typeof when argument is a variably modified type not inside sizeof or alignof.
5993 (c_parser_direct_declarator_inner): Propagate errors.
5994 (c_parser_sizeof_expression): Add support for [*].
5995 (c_parser_parms_declarator): Initialize had_vla_unspec.
5996 (c_parser_parms_list_declarator): Likewise.
5997 * c-typeck.c (c_vla_type_p): Add.
5998 (composite_type): Add support for vla compositing.
5999 (comptypes_internal): Add support for vla compatibility.
6000 (c_expr_sizeof_expr): Evaluate vla arguments.
6001 * tree.c (variably_modified_type_p): Update comment for [*].
6003 2006-05-18 Michael Matz <matz@suse.de>
6006 * config.host: Make assignments to host_xmake_file cumulative.
6007 * config.host (*-darwin*): Test $host, not $target.
6009 2006-05-12 Stuart Hastings <stuart@apple.com>
6011 * config/i386/i386.opt (-mstackrealign): New flag.
6012 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6013 (ix86_handle_cconv_attribute): Emit error when
6014 force_align_arg_pointer attribute collides with too many regparms.
6015 (ix86_function_regparm): Limit regparms when used with
6016 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6017 Support stack-realigning prologue in non-main functions. Emit
6018 warning for nested functions under -mstackrealign, emit error for
6019 nested functions with force_align_arg_pointer attribute.
6020 * doc/extend.texi (force_align_arg_pointer): Document it.
6021 * doc/invoke.texi (-mstackrealign): Document it.
6023 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6025 PR rtl-optimization/27477
6026 * combine.c (try_combine): Don't split a parallel consisting
6027 of two sets into two individual sets if both sets reference
6030 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6032 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6033 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6035 * doc/options.texi (VarExists): Updated.
6037 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6039 * unwind-dw2.c: Add declarations for uw_update_context and
6041 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6042 detected, advance frame state and context once to skip over stub.
6044 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6048 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6049 Call rewrite_into_loop_closed_ssa only when something changed.
6050 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6051 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6052 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6053 Test for perfect_nest_p here. Fix formating.
6054 (replace_uses_equiv_to_x_with_y): Fix formating.
6055 (stmt_uses_op): Removed.
6056 (can_convert_to_perfect_nest): Removed loopivs parameter.
6057 Complete the test by checking the scalar dependences.
6058 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6061 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6064 From Dan Kegel <dank@kegel.com>:
6065 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6067 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6069 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6070 if the element type is variably modified without recursing.
6072 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6075 * tree-loop-linear.c (try_interchange_loops): Test for
6076 no data dependences.
6078 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6080 PR tree-optimization/27548
6081 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6082 range of ssa names that appear on abnormal edges.
6083 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6084 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6086 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6089 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6091 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6094 * tree.h (OMP_PARALLEL_COMBINED): Define.
6095 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6096 (new_omp_context): Add is_combined_parallel argument.
6097 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6098 new_omp_context caller.
6099 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6100 Adjust gimplify_scan_omp_clauses callers.
6101 (omp_is_private): Issue errors if iteration variable is firstprivate
6102 or reduction in the current context.
6103 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6104 on combined parallel workshare constructs.
6106 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6108 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6109 (gcc-options.o): New rule.
6111 * optc-gen.awk: Protect variables for gcc-options.o with
6112 #ifdef GCC_DRIVER/#endif.
6114 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6116 Fix PR tree-optimization/27373
6117 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6118 (forward_propagate_addr_expr): Update call.
6120 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6122 * doc/options.texi: Move the Negative option.
6124 2006-05-16 Richard Guenther <rguenther@suse.de>
6126 PR tree-optimization/22303
6127 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6129 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6130 ccp_fold did not simplify the statement.
6132 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6135 * Makefile.in (GCC_OBJS): New.
6136 (OBJS-common): Add opts-common.o.
6137 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6138 (cpp$(exeext)): Likewise.
6139 (gcc.o): Also depend on opts.h.
6140 (opts-common.o): New.
6142 * common.opt (gcoff): Add Negative(gdwarf-2).
6143 (gdwarf-2): Add Negative(gstabs).
6144 (gstabs): Add Negative(gstabs+).
6145 (gstabs+): Add Negative(gvms).
6146 (gvms): Add Negative(gxcoff).
6147 (gxcoff): Add Negative(gxcoff+).
6148 (gxcoff+): Add Negative(gcoff).
6149 * config/i386/i386.opt (m32): Add Negative(m64).
6150 (m64): Add Negative(m32).
6152 * doc/options.texi: Document the Negative option.
6154 * gcc.c: Include "opts.h".
6155 (main): Call prune_options after expandargv.
6157 * optc-gen.awk: Generate common declarations for all flag
6158 variables in options.c. Output the neg_index field.
6160 * opts.c (find_opt): Moved to ...
6161 * opts-common.c: Here. New file.
6163 * opts.h (cl_option): Add a neg_index field.
6165 (prune_options): Likewise.
6167 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6170 * omp-low.c (expand_omp_parallel): Don't assert
6171 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6172 instead search for it.
6175 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6178 2006-05-16 Andreas Schwab <schwab@suse.de>
6180 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6183 2006-05-15 Roger Sayle <roger@eyesopen.com>
6186 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6187 integer constants other than zero are only legitimate on TARGET_64BIT.
6188 <CONST_VECTOR> Only zero vectors are legitimate.
6189 (ix86_cannot_force_const_mem): Integral and vector constants can
6190 always be put in the constant pool.
6192 2006-05-16 DJ Delorie <dj@redhat.com>
6194 * crtstuff.c (__dso_handle): Set section from
6195 TARGET_LBIGCC_SDATA_SECTION if defined.
6196 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6197 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6199 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6202 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6205 2006-05-16 Ben Elliston <bje@au.ibm.com>
6207 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6209 2006-05-15 Per Bothner <per@bothner.com>
6211 * tree.c: (last_annotated_node): Use source_locus typedef.
6212 This permits bootstrapping with --enable-mapped-location.
6214 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6216 PR tree-optimization/26830
6217 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6218 (info_for_ssa_name, current_info_for_ssa_name_age,
6219 blocks_to_update): New variables.
6220 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6221 (clear_ssa_name_info, initialize_flags_in_bb,
6222 mark_block_for_update): New functions.
6223 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6224 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6225 prepare_def_site_for): Use mark_block_for_update.
6226 (mark_def_interesting): Assert that the processed block is marked in
6227 blocks_to_update. Do not take blocks argument.
6228 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6230 (rewrite_update_init_block, rewrite_update_stmt): Only process
6231 blocks with statements to rewrite.
6232 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6233 (update_ssa): Initialize and free blocks_to_update. Do not
6234 clear flags on statements. Do not use blocks bitmap.
6235 * tree.h (SSA_NAME_AUX): Removed.
6236 (struct tree_ssa_name): Removed aux field.
6237 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6239 2006-05-15 Richard Guenther <rguenther@suse.de>
6241 PR tree-optimization/27603
6242 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6243 Do computations in original type.
6245 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6247 * see.c: Code style changes such as redundant paranthesis,
6248 redundant intialization of local variables etc.
6249 (see_main): Declared now as static.
6250 * doc/invoke.texi: Update that -fsee is not enabled by
6253 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6255 * omp-low.c (check_omp_nesting_restrictions): New function.
6256 (scan_omp_1): Call it.
6259 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6260 construct, return *VAR.
6262 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6264 PR rtl-optimization/27406
6265 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6268 2006-05-14 Roger Sayle <roger@eyesopen.com>
6270 PR rtl-optimization/27538
6271 * combine.c (expand_compound_operation): Call gen_lowpart
6272 before calling simplify_shift_const.
6274 2006-05-14 Roger Sayle <roger@eyesopen.com>
6276 PR rtl-optimization/22563
6277 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6278 a fixed width bitfield, always force the intermediates into psuedos.
6280 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6283 * mkconfig.sh: Use operator = instead of == for test.
6285 2006-05-13 Nick Clifton <nickc@redhat.com>
6287 * dwarf2out.c (dbx_reg_number): Check return value from
6288 LEAF_REG_REMAP and only use it if it is valid.
6289 (multiple_reg_loc_descriptor): Likewise.
6291 2006-05-13 Richard Guenther <rguenther@suse.de>
6293 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6296 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6298 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6299 information attached to non-INSNs such as NOTEs.
6300 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6302 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6304 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6306 * config/s390/s390.md: Adjust comment describing On constraint.
6308 2006-05-11 Jan Hubicka <jh@suse.cz>
6310 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6311 to be output at -O0.
6313 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6316 * fold-const.c (size_binop): Move sanity check for arguments to
6317 the beginning of the function.
6320 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6323 2006-05-11 Richard Guenther <rguenther@suse.de>
6326 * fold-const.c (fold_unary): Handle intermediate conversion
6327 to a pointer type like intermediate conversion to an integer
6328 type in folding of (T1)(T2)var to var.
6329 Match the code to the comment in the final conversion for
6330 (T1)(T2)var to (T1)var regarding to type precision. Rather
6331 than disallow T1 being of pointer type, assert that both T1
6332 and var are of pointer type or not. Make sure not to fall
6333 over the frontends lazyness wrt array to pointer decay though.
6335 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6337 * arm.c (arm_struct_value_rtx): Delete.
6338 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6339 (arm_init_cumulative_args): Always initialize nregs to zero.
6341 2006-05-10 Richard Guenther <rguenther@suse.de>
6343 PR tree-optimization/27532
6344 * tree-object-size.c (plus_expr_object_size): Fix typo.
6346 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6349 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6350 ashrdi_const, ashrdi3): Use a scratch register.
6352 2006-05-10 Richard Guenther <rguenther@suse.de>
6354 PR tree-optimization/27302
6355 * fold-const.c (operand_equal_p): For two comparisons,
6356 try comparison of one comparison code swapped if that yields
6359 2006-05-10 Ben Elliston <bje@au.ibm.com>
6361 * tree-pretty-print.c (pretty_print_string): No need to handle
6362 '\0' as a special character.
6364 * tree.h: Include "hashtab.h".
6365 (iterative_hash_expr): Use hashval_t in its prototype.
6366 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6368 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6371 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6372 (hppa*64*-*-hpux11*): Ditto.
6373 (hppa[12]*-*-hpux11*): Ditto.
6375 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6378 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6380 2006-05-09 Michael Matz <matz@suse.de>
6382 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6383 host_extra_gcc_objs and host_xmake_file.
6384 (<*-*-linux*>): Don't overwrite host_xmake_file.
6385 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6386 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6387 (host_detect_local_cpu): Declare.
6388 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6389 * config/i386/i386.c (override_options): Handle -mtune=native
6391 * config/i386/x-i386: New file.
6392 * config/i386/driver-i386.c: New file.
6393 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6396 2006-05-09 Dirk Mueller <dmueller@suse.de>
6397 Richard Guenther <rguenther@suse.de>
6400 * fold-const.c (fold_read_from_constant_string): Relax check
6401 for matching types to matching modes.
6403 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6405 PR rtl-optimization/27335
6406 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6409 2006-05-08 Chao-ying Fu <fu@mips.com>
6410 Richard Sandiford <richard@codesourcery.com>
6412 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6413 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6414 * config/mips/mips.md (UNSPEC_SCC): New constant.
6415 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6416 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6417 (mips_emit_compare): Use it.
6418 (mips_expand_vcondv2sf): New function.
6420 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6422 Fix PR tree-optimization/27093
6423 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6424 renaming when they become not-used_alone.
6426 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6428 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6429 relocation and relocation stubs.
6431 2006-05-08 Eric Christopher <echristo@apple.com>
6433 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6436 2006-05-08 Jan Hubicka <jh@suse.cz>
6439 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6440 unused static functions are needed.
6442 2006-05-08 Roger Sayle <roger@eyesopen.com>
6445 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6446 of a reg_equiv_constant if the result is a legitimate constant.
6448 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6451 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6452 standard 80387 constants, raise the cost to prevent
6453 compress_float_constant() to generate load from memory.
6455 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6457 * config/arm/constraints.md (c): Fix a typo.
6459 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6462 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6465 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6467 (_mm_mwait): Likewise.
6469 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6471 (sse3_monitor): Make it 32bit only.
6472 (sse3_monitor64): New. 64bit monitor.
6474 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6477 * config/i386/i386.c (classify_argument): Skip fields with invalid
6480 2006-05-07 Richard Guenther <rguenther@suse.de>
6482 PR tree-optimization/27409
6483 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6484 Do not try to find zero-sized subvars.
6486 2006-05-07 Richard Guenther <rguenther@suse.de>
6488 PR tree-optimization/27136
6489 * tree-ssa-loop-niter.c (get_val_for): Correct function
6490 comment, assert requirements.
6491 (loop_niter_by_eval): Stop processing if the iterated
6492 value did not simplify.
6494 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6496 * opts.c (flag_see): remove its setting at -O3.
6498 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6500 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6501 * arm/constraints.md: New file.
6502 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6503 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6504 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6505 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6506 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6507 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6508 * arm.md: Include constraints.md.
6509 (thumb_movsi_insn): Use satisfies_constraint_J.
6510 (movhi, movqi): Use satisfies_constraint_I.
6512 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6514 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6515 for atmeg a645 device.
6517 2006-05-06 Richard Guenther <rguenther@suse.de>
6519 PR tree-optimization/27151
6520 * tree-vect-transform.c (vectorizable_condition): Punt on
6521 values that have a different type than the condition.
6523 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6526 * c-parser.c (c_parser_cast_expression): Only insert casts into
6527 hash table if pointer.
6528 * function.c (used_types_insert_helper): Rename from
6530 (used_types_insert): Call used_types_insert_helper.
6531 * function.h (used_types_insert): Accept only one argument.
6533 2006-05-05 David Edelsohn <edesohn@gnu.org>
6535 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6536 scratch with output modifier.
6538 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6541 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6542 with output modifier.
6544 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6547 * config/mips/mips.c (mips_symbolic_address_p): Return true
6548 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6549 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6551 2006-05-04 Richard Guenther <rguenther@suse.de>
6553 PR tree-optimization/14287
6554 PR tree-optimization/14844
6555 PR tree-optimization/19792
6556 PR tree-optimization/21608
6557 PR tree-optimization/27090
6558 * tree-ssa-pre.c (try_combine_conversion): New function.
6559 (compute_avail): After constructing the value-handle
6560 expression, use try_combine_conversion to combine NOP_EXPRs
6561 with previous value-handle expressions and use the result if it
6564 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6566 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6568 2006-05-04 Jan Hubicka <jh@suse.cz>
6571 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6573 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6575 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6576 that this only matches CONST_INTs. All users changed to VOIDmode
6579 * config/bfin/bfin.c: Include "optabs.h".
6580 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6582 (enum bfin_builtins): Add a number of fractional and vector builtins.
6583 (bfin_init_builtins): Likewise.
6584 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6585 (safe_vector_operand, bfin_expand_binop_builtin,
6586 bfin_expand_unop_builtin): New functions.
6587 (bfin_expand_builtin): Handle the new builtins.
6588 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6591 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6594 * Makefile.in (OBJS-common): Add see.o.
6595 (see.o): Add dependencies.
6596 * common.opt (fsee): New flag for the see optimization was added.
6597 * opts.c (flag_see): Initialized.
6598 * passes.c (init_optimization_passes, pass_see): New pass.
6599 * rtl.h (see_main): Declaration as extern.
6600 * timevar.def (TV_SEE): New.
6601 * tree-pass.h (pass_see): Declaration as extern.
6602 * invoke.texi (-fsee): Document.
6603 * recog.c (validate_simplify_insn): New function.
6604 * recog.h (validate_simplify_insn): Declaration as extern.
6605 * df-problems.c (df_chain_dump): Check for NULL.
6607 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6608 Daniel Berlin <dberlin@dberlin.org>
6610 * cfgrtl.c (insert_insn_bb_end_new): New function.
6611 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6613 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6615 * df.h (struct web_entry): Moved from web.c.
6616 (union_defs): Declaration as extern.
6617 (unionfind_root): Likewise.
6618 (unionfind_union): Likewise.
6619 * web.c (struct web_entry): Moved to df.h.
6620 (unionfind_root): Remove static declaration.
6621 (unionfind_union): Likewise.
6622 (union_defs): Likewise and generalize to use callback function.
6623 (web_main): Update arguments for union_defs function call.
6625 2006-05-04 Richard Guenther <rguenther@suse.de>
6627 PR tree-optimization/26447
6628 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6629 produce SSA_NAME copies before the store stmt to avoid
6630 breaking exception handling.
6632 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6635 * gimplify.c (omp_is_private): If var is shared in some outer context,
6636 return false instead of true. Stop searching on parallel context
6639 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6642 * coverage.c: Use get_gcov_unsigned_t() instead of
6643 unsigned_type_node all over.
6645 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6647 PR tree-optimization/27381
6648 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6649 maintain the same immediate_use links.
6650 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6651 node rather than segfaulting.
6653 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6656 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6657 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6658 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6660 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6662 Fix PR tree-optimization/26626
6663 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6665 * tree-ssa-operands.c (access_can_touch_variable): Allow
6666 typecasting through union pointers.
6668 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6671 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6672 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6673 to find if var will be a global variable even in the nested context.
6674 (omp_copy_decl): Only check for global variable at the end, it might
6675 be overridden in outer contexts.
6676 (scan_sharing_clauses): For global variables don't create a field.
6677 (lower_rec_input_clauses): Do nothing for global shared variables.
6678 Emit a barrier at the end of ILIST if there were any decls in both
6679 firstprivate and lastprivate clauses.
6680 (lower_send_clauses): Do nothing for global variables except for
6683 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6685 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6686 of the correct signedness is returned.
6688 2006-05-02 Jeff Law <law@redhat.com>
6690 PR tree-optimization/27364
6691 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6692 multiply expressions.
6694 2006-05-02 Tom Tromey <tromey@redhat.com>
6696 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6698 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6701 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6702 -mthumb -fPIC are used.
6704 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6705 Joshua Kinard <kumba@gentoo.org>
6708 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6709 with 64-bit pointers.
6711 2006-05-02 Paul Brook <paul@codesourcery.com>
6713 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6715 (create_fix_barrier): Check that a suitable barrier location is
6717 (arm_reorg): Include ftmp->address in allowable range of addresses.
6719 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6722 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6725 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6728 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6729 around RESULT_DECL for result passed by reference.
6730 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6731 * omp-low.c (use_pointer_for_field): Don't look at
6732 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6733 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6734 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6735 time or var for passing by reference for
6736 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6737 TREE_ADDRESSABLE variables when passing by reference.
6739 * omp-low.c (dump_omp_region): Fix output formatting.
6742 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6743 (expand_omp_parallel): Likewise.
6744 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6747 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6748 on statement list containing also constructors and destructors.
6749 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6752 * except.c (duplicate_eh_regions): Fix clearing of
6753 cfun->eh->region_array entries.
6755 2006-05-01 DJ Delorie <dj@redhat.com>
6757 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6759 (gcc_cv_objdump): Likewise.
6760 * configure: Regenerated.
6762 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6765 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6766 templates for case 3 and 4.
6768 2006-05-01 DJ Delorie <dj@redhat.com>
6770 * vec.c: Include bconfig.h when appropriate.
6771 * Makefile.in (build/vec.o): Adjust dependencies.
6772 * mkconfig.sh: Make sure config.h isn't used for build machine
6775 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6777 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6779 (mark_phi_for_rewrite): New function.
6780 (insert_phi_nodes_for, mark_use_interesting): Call
6781 mark_phi_for_rewrite.
6782 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6783 (update_ssa): Initialize and free phis_to_rewrite.
6785 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6787 PR rtl-optimization/27291
6788 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6789 folded to a constant.
6791 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6793 PR tree-optimization/27283
6794 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6795 not whole # of iteration descriptions.
6796 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6797 uses abnormal ssa name.
6798 (niter_for_single_dom_exit): Ditto.
6799 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6800 return just the number of iterations.
6802 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6804 PR tree-optimization/27144
6805 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6806 (record_estimate): Only record constant upper bound.
6807 (infer_loop_bounds_from_undefined): Call
6808 compute_estimated_nb_iterations just once.
6809 (proved_non_wrapping_p): Renamed to ...
6810 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6811 (convert_step_widening, scev_probably_wraps_p): Call
6812 n_of_executions_at_most instead of proved_non_wrapping_p.
6813 (substitute_in_loop_info): Do not replace values in bounds.
6814 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6817 2006-05-01 Richard Henderson <rth@redhat.com>
6820 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6821 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6824 2006-05-01 Roger Sayle <roger@eyesopen.com>
6826 * c-typeck.c (parser_build_binary_op): Don't call the function
6827 unsigned_conversion_warning to spot operand/result type overflow.
6828 (build_binary_op): Instead, call convert_and_check instead of
6829 convert to report the problem when the operands are promoted.
6830 * c-common.c (unsigned_conversion_warning): Make static.
6831 * c-common.h (unsigned_conversion_warning): Delete prototype.
6833 2006-05-01 Richard Guenther <rguenther@suse.de>
6835 PR tree-optimization/26726
6836 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6838 (find_interesting_uses_address): ... we work around here
6839 by folding INDIRECT_REFs in the substituted base.
6841 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6843 * omp-low.c (dump_omp_region): Add newlines.
6845 2006-04-30 Roger Sayle <roger@eyesopen.com>
6847 * common.opt (Woverflow): New command line option.
6848 * c-common.c (constant_expression_warning): Check warn_overflow.
6849 (overflow_waring): Pass OPT_Woverflow to warning.
6850 (unsigned_conversion_warning): Likewise.
6851 (convert_and_check): Likewise.
6852 * doc/invoke.texi: Document new command line option.
6854 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6856 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6857 TARGET_NO_FP_IN_TOC for section anchors.
6858 (optimization_options): Enable section anchors for all
6859 non-"Objective" languages.
6861 2006-04-28 Eric Christopher <echristo@apple.com>
6863 * config/darwin-c.c (darwin_ms_struct): Move this
6864 (darwin_set_default_type_attributes): and this...
6865 * config/darwin.c: ... here.
6866 * config/darwin.h (darwin_ms_struct): Declare.
6868 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6872 2006-04-28 Roger Sayle <roger@eyesopen.com>
6875 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6876 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6877 an unsigned HOST_WIDE_INT.
6878 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6880 (really_start_incremental_init): No need to call convert because
6881 bitsize_zero_node is already of type bitsizetype.
6882 (push_init_level): Extract the value of constructor_index as an
6883 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6884 (process_init_element): Likewise.
6886 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6888 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6889 value before passing to make_relative_prefix.
6891 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6894 * builtins.c (expand_builtin_memset): Expand val in original mode.
6896 2006-04-27 Eric Christopher <echristo@apple.com>
6898 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6899 with #ifndef/#endif.
6900 * config/darwin-c.c (darwin_ms_struct): New.
6901 (darwin_pragma_ms_struct): Ditto.
6902 (darwin_set_default_type_attributes): Ditto.
6903 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6904 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6905 Register ms_struct pragma.
6906 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6907 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6908 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6909 darwin_set_default_type_attributes if TARGET_MACHO.
6911 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6913 PR tree-optimization/26854
6914 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6915 * doc/tree-ssa.texi: Update immuse iterator documentation.
6916 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6918 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6919 first_safe_imm_use, next_safe_imm_use): Remove.
6920 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6921 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6922 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6923 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6924 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6925 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6926 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6927 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6928 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6929 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6930 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6931 (perfect_nestify): Use new iterator.
6932 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6934 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6935 (next_imm_name): New field in struct immediate_use_iterator_d.
6936 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6937 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6938 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6939 * tree-cfg.c (replace_uses_by): Use new iterator.
6940 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6941 * tree-ssa-operands.c (correct_use_link): Remove.
6942 (finalize_ssa_use_ops): No longer call correct_use_link.
6944 2006-04-27 Stuart Hastings <stuart@apple.com>
6946 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6947 * config/t-darwin (crt3.o): Use it.
6948 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6949 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6950 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6951 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6952 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6955 2006-04-27 Roger Sayle <roger@eyesopen.com>
6957 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6958 size, force the intermediate into a new pseudo rather instead of
6959 performing both a bitwise AND and a bitwise IOR in memory.
6961 2006-04-27 Richard Guenther <rguenther@suse.de>
6963 PR rtl-optimization/26685
6964 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6965 this one "max-flow-memory-locations".
6967 2006-04-27 Richard Guenther <rguenther@suse.de>
6969 PR tree-optimization/25148
6970 * tree-vrp.c (compare_values): Remove code dealing with
6971 comparisons against type min/max value. Honour overflow
6972 and negative constants in code dealing with comparisons
6973 of plus and minus expressions.
6974 (value_inside_range): Use fold_binary with LE_EXPR and
6975 GE_EXPR rather than compare_values.
6977 2006-04-27 Dirk Mueller <dmueller@suse.de>
6979 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6982 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6984 * basic-block.h (safe_insert_insn_on_edge): Removed.
6985 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6987 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6988 Paolo Bonzini <bonzini@gnu.org>
6991 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6992 (simplify_and_const_int): Same.
6994 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6996 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6998 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7001 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7002 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7003 cgraph_global_info_ready.
7006 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7009 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7010 either decl or init is error_mark_node.
7013 * tree-flow.h (struct omp_region): Add sched_kind.
7014 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7015 instead of extracting omp for data.
7016 (expand_omp_for): Save extracted sched_kind.
7018 2006-04-25 Roger Sayle <roger@eyesopen.com>
7020 * expmed.c (store_bit_field): Also check whether the bitsize is
7021 valid for the machine's "insv" instruction before moving the
7022 target into a pseudo for use with the insv.
7023 * config/i386/predicates.md (const8_operand): New predicate.
7024 * config/i386/i386.md (extv, extzv, insv): Use the new
7025 const8_operand predicate where appropriate.
7027 2006-04-25 DJ Delorie <dj@redhat.com>
7029 * doc/install.texi (Specific): Clarify that this is not a list of
7030 supported hosts or targets.
7032 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7034 PR rtl-optimization/26725
7035 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7036 block's BB_DIRTY flag.
7038 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7040 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7043 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7044 to print an integer.
7046 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7048 * varasm.c (align_variable): New function.
7049 (get_block_for_decl): Apply align_variable to DECL before
7050 calculating section information.
7051 (assemble_variable): Split out alignment computation.
7053 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7055 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7058 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7060 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7061 MODE_PARTIAL_INT mode.
7062 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7063 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7065 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7066 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7068 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7070 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7072 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7073 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7074 MACFLAG_IH): Likewise.
7075 (movstricthi_1): Renamed from "*movstricthi".
7076 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7077 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7078 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7079 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7080 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7081 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7082 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7083 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7084 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7085 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7086 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7087 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7088 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7089 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7090 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7092 * doc/rtl.texi (ss_ashift): Improve wording.
7094 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7096 * dwarf2out.c (verify_marks_clear): New.
7097 (prune_unused_types): Call verify_marks_clear initially, not
7100 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7102 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7103 * doc/rtl.texi: Document them.
7104 * simplify-rtx.c (simplify_unary_operation,
7105 simplify_binary_operation_1): Don't abort when we see them.
7107 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7110 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7111 * configure.ac: Completely disregard languages that are not
7113 * configure: Regenerated.
7115 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7116 Richard Guenther <rguenther@suse.de>
7118 PR tree-optimization/27236
7119 * tree-inline.c (copy_body_r): Make sure to copy
7120 TREE_THIS_VOLATILE flag.
7122 2006-04-24 Richard Guenther <rguenther@suse.de>
7125 * tree-complex.c (update_parameter_components): Don't handle
7126 unused parameters which have no default def.
7128 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7129 Richard Guenther <rguenther@suse.de>
7131 PR tree-optimization/27218
7132 * tree-inline.c (expand_call_inline): Strip useless type
7133 conversions for the return slot address.
7135 2006-04-24 Richard Guenther <rguenther@suse.de>
7137 * cfgloop.h (struct loops): Remove unused field array. Reorder
7139 (LOOP_PREFETCH): Remove.
7141 2006-04-24 Richard Guenther <rguenther@suse.de>
7143 PR tree-optimization/22525
7144 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7145 variable, adjust types of generated expressions.
7147 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7149 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7150 (tree-vect-patterns.o): Likewise.
7152 (cselib.o): Likewise.
7153 (loop-doloop.o): Likewise.
7154 (regclass.o): Likewise.
7155 (reload1.o): Likewise.
7156 (explow.o): Replace target.h with $(TARGET_H).
7157 (ipa-prop.o): Likewise.
7158 (ipa-cp.o): Likewise.
7159 (ipa-inline.o): Likewise.
7160 (reorg.o): Likewise.
7161 (reg-stack.o): Likewise.
7163 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7165 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7167 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7169 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7171 * configure.ac: Completely disregard languages that are not
7173 * configure: Regenerated.
7176 * c-common.h (c_build_bitfield_integer_type): Declare.
7177 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7178 * c-common.c (c_build_bitfield_integer_type): ... here.
7180 2006-04-23 Roger Sayle <roger@eyesopen.com>
7183 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7184 a SImode SUBREG of a floating point register after no_new_pseudos.
7186 2006-04-23 Roger Sayle <roger@eyesopen.com>
7188 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7189 identify potentially eliminable registers to additionally catch
7190 VIRTUAL_INCOMING_ARGS_REGNUM.
7191 (addsi3): Update the conditions on when to use addsi_small_int.
7193 2006-04-23 Roger Sayle <roger@eyesopen.com>
7196 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7197 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7198 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7200 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7202 * fold-const.c (range_predecessor): Use operand_equal_p
7203 as the predicate for equality.
7204 (range_successor): Likewise.
7206 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7209 * config/soft-fp/op-common.h: Fix a typo.
7211 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7214 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7215 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7217 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7219 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7221 * doc/tm.texi: Fix a typo.
7223 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7225 * dwarf2out.c (struct die_struct): Document that die_sib makes
7226 a circular linked list.
7227 (FOR_EACH_CHILD): New.
7228 (reverse_die_lists): Delete.
7229 (reverse_all_dies): Delete.
7230 (add_dwarf_attr): Correct documentation.
7231 (remove_child_with_prev): New.
7232 (remove_child_TAG): Update for change to die_struct, use
7233 remove_child_with_prev.
7234 (add_child_die): Update for change to die_struct.
7235 (splice_child_die): Use remove_child_with_prev and add_child_die.
7236 (print_die): Use FOR_EACH_CHILD.
7237 (die_checksum): Likewise.
7238 (assign_symbol_names): Likewise.
7239 (output_location_lists): Likewise.
7240 (build_abbrev_table): Likewise.
7241 (calc_die_sizes): Likewise.
7242 (mark_dies): Likewise.
7243 (unmark_dies): Likewise.
7244 (unmark_all_dies): Likewise.
7245 (output_die): Likewise.
7246 (prune_unused_types_mark): Likewise.
7247 (prune_unused_types_walk): Likewise.
7248 (same_die_p): Update for change to die_struct.
7249 (break_out_includes): Likewise.
7250 (prune_unused_types_prune): Likewise.
7251 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7252 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7254 (dwarf2out_finish): Don't call reverse_all_dies.
7256 2006-04-21 Eric Christopher <echristo@apple.com>
7258 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7259 in comments and function names.
7261 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7264 * c-typeck.c (digest_init): Robustify.
7266 * c-typeck.c (pop_init_level): Simplify.
7268 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7270 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7272 2006-04-21 Paul Brook <paul@codesourcery.com>
7274 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7275 hardware floating point.
7277 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7279 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7282 2006-04-21 Nick Clifton <nickc@redhat.com>
7284 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7287 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7290 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7291 C++ lang type in traceback table for Objective-C++.
7293 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7295 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7297 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7299 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7302 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7303 were errors. Remove check for erroneous objects.
7305 2006-04-20 Jeff Law <law@redhat.com>
7307 PR tree-optimization/26854
7308 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7309 checking for zero or one use.
7310 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7311 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7312 * tree-ssa-reassoc.c (negate_value): Similarly.
7313 (reassociate_bb): Similarly.
7315 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7317 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7318 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7319 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7321 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7323 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7324 fp regs if the last fp arg doesn't fit in regs.
7326 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7329 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7330 that the last insn has the REG_INC note.
7332 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7333 Nathan Sidwell <nathan@codesourcery.com>
7336 * stor-layout.c (update_alignment_for_field): Do not align
7338 (place_union_field): Place union field at the start of the union.
7339 (place_field): Move ERROR_MARK check later, and use the current
7340 allocation position to maintain monotonicity.
7342 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7344 * dominance.c: Include timevar.h.
7345 (calculate_dominance_info): Use TV_DOMINANCE.
7346 * timevar.def (TV_DOMINANCE): New timevar.
7347 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7349 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7351 PR rtl-optimization/14261
7352 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7353 move would be an INSV insn.
7354 (noce_process_if_block): Don't optimize if the destination is a
7355 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7357 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7359 * config/s390/s390.md: Add comments with the instructions emitted
7360 by an insn pattern if macros are used.
7362 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7364 PR rtl-optimization/26026
7365 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7366 is a known power of two shifted left a variable amount.
7368 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7370 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7371 to hash table twice when the debug_str section has SECTION_MERGE.
7373 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7375 * config/soft-fp: New directory. From glibc.
7376 * config/soft-fp/t-softfp: New.
7377 * config/soft-fp/README: New.
7378 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7379 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7380 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7381 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7382 * config.gcc: Use rs6000/t-fprules-fpbit or
7383 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7385 * config/rs6000/sfp-machine.h: New. Based on glibc.
7386 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7388 * config/rs6000/t-fprules: Remove fp-bit rules.
7389 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7390 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7391 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7392 (softfp_wrap_start, softfp_wrap_end): New.
7394 2006-04-18 DJ Delorie <dj@redhat.com>
7396 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7398 2006-04-18 Devang Patel <dpatel@apple.com>
7400 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7402 2006-04-18 Nick Clifton <nickc@redhat.com>
7404 * config/sh/t-symbian: Add rule to build sh-c.o
7405 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7406 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7407 (sh_symbian_encode_section_info): Likewise.
7409 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7411 * builtins.c (expand_builtin_strcmp): Cover label definition of
7412 do_libcall with HAVE_cmpstrnsi.
7414 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7416 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7418 * function.h (temp_slot_p): New.
7419 (function): Change the type of x_used_temp_slots to
7420 VEC(temp_slot_p,gc) *.
7422 2006-04-18 Nick Clifton <nickc@redhat.com>
7424 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7425 flag_strength_reduce.
7427 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7429 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7433 Partial revert of revision 112637
7434 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7435 Dale Johannesen <dalej@apple.com>
7438 * regclass.c (struct reg_pref): Update documentation.
7439 (regclass): Set prefclass to NO_REGS if memory is the best option.
7440 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7442 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7444 PR tree-optimization/26821
7445 * tree-ssa-math-opts.c (get_constant_one): New.
7446 (insert_reciprocals): Use it.
7448 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7450 * dwarf2out.c (free_AT): Delete.
7451 (remove_AT): Update string ref counts.
7452 (remove_child_TAG): Don't call free_die.
7454 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7455 or DW_TAG_GNU_EINCL.
7456 (prune_unused_types_walk_attribs): Reset string refcounts.
7457 (prune_unused_types_update_strings): New.
7458 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7459 call free_die. Do call prune_unused_types_update_strings.
7460 (prune_unused_types): Empty debug_str_hash.
7462 2006-04-17 Roger Sayle <roger@eyesopen.com>
7464 * expr.c (expand_assignment): Optimize away no-op moves where the
7465 source and destination are equal and have no side-effects.
7467 2006-04-17 Richard Guenther <rguenther@suse.de>
7470 * reload.c (push_reload): Guard calls to get_secondary_mem
7473 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7475 * alias.c (reg_base_value, old_reg_base_value): Change the
7476 type to VEC(rtx,gc) *.
7477 (REG_BASE_VALUE, find_base_value, record_set,
7478 init_alias_analysis): Use VEC instead of VARRAY.
7480 * alias.c (alias_sets): Change the type to
7481 VEC(alias_set_entry,gc) *.
7482 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7483 VEC instead of VARRAY.
7484 (last_alias_set): Remove.
7486 * cgraph.h (cgraph_edge_p): New.
7487 Update the prototype of cgraph_function_versioning.
7488 * cgraphunit.c (cgraph_copy_node_for_versioning,
7489 cgraph_function_versioning): Use VEC instead of VARRAY.
7490 * ipa-cp.c (ipcp_insert_stage): Likewise.
7492 2006-04-16 Roger Sayle <roger@eyesopen.com>
7495 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7496 "A op B" or "A op C", we may need to convert A to the type of B and C.
7498 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7500 * target.h (struct gcc_target): Add mode_rep_extended.
7501 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7502 (init_num_sign_bit_copies_in_rep): Initialize it using
7504 (truncate_to_mode): Use it.
7505 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7506 * targhooks.h (default_mode_rep_extended): Declare it.
7507 * targhooks.c (default_mode_rep_extended): Define it.
7508 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7509 default_mode_rep_extended.
7510 (TARGET_INITIALIZER): Include it.
7511 * doc/tm.texi (Misc): Document it.
7512 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7513 (mips_truncated_to_mode): New function.
7515 2006-04-16 Roger Sayle <roger@eyesopen.com>
7518 * expr.c (compress_float_constant): Copy the narrow constant into
7519 a new pseudo before extending it to its final width.
7521 2006-04-16 Roger Sayle <roger@eyesopen.com>
7522 Andrew Pinski <pinskia@gcc.gnu.org>
7523 Dale Johannesen <dalej@apple.com>
7526 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7527 special case code to implement V8HImode and V16QImode with SSE2.
7529 2006-04-15 Roger Sayle <roger@eyesopen.com>
7531 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7532 trees are constructed with a suitable tree type.
7534 2006-04-15 Roger Sayle <roger@eyesopen.com>
7536 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7537 (integer_onep): Likewise.
7538 (integer_all_onesp): Likewise.
7539 (integer_pow2p): Likewise.
7540 (integer_nonzerop): Likewise.
7541 (real_zerop): Likewise.
7542 (real_onep): Likewise.
7543 (real_twop): Likewise.
7544 (real_minus_onep): Likewise.
7545 (int_size_in_bytes): Likewise.
7546 (host_integerp): Likewise.
7548 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7550 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7551 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7552 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7554 * tree-ssa-structalias.h (alias_info): Remove num_references.
7556 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7558 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7559 (output_bvb patterns): Likewise.
7560 * pa.c (output_bb): Use 'bb' insn for long branch case.
7561 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7562 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7563 1. Correct length operand for alternatives 1 and 2.
7564 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7565 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7567 2006-04-14 Roger Sayle <roger@eyesopen.com>
7569 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7570 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7571 were accidentally reverted by r112959.
7573 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7576 * except.h (eh_region_outermost): New prototype.
7577 * except.c (eh_region_outermost): New function.
7578 * tree-cfg.c (find_outermost_region_in_block): Use it.
7580 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7582 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7584 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7585 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7586 (init_reload, reload): Use VEC instead of VARRAY.
7587 * reload.h: Update the prototype for
7588 reg_equiv_memory_loc_varray.
7590 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7591 Eric Botcazou <ebotcazou@libertysurf.fr>
7593 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7596 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7599 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7600 to expand fallback builtin function call.
7602 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7605 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7606 and emit libcall here in case the builtin fails.
7607 (expand_builtin_strcmp): Always emit the libcall here on failure.
7609 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7611 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7612 * flow.c (reg_n_info): Change the type to
7613 VEC(reg_info_p,heap) *.
7614 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7616 * regs.h (reg_info_p): New.
7617 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7618 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7619 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7622 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7624 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7626 * params.h (MAX_SCHED_READY_INSNS): New macro.
7627 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7628 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7629 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7630 the ready list for 1 cycle during the first scheduling pass.
7631 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7633 2006-04-13 Richard Henderson <rth@redhat.com>
7636 * gimple-low.c (lower_omp_directive): Remove dead code.
7637 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7638 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7639 * omp-low.c (struct omp_region): Move to tree-flow.h.
7640 (root_omp_region): Export.
7641 (omp_regions, lookup_omp_region): Remove.
7642 (determine_parallel_type): Update for struct omp_region changes.
7643 (dump_omp_region): Dump regions with block numbers.
7644 (new_omp_region): Take type and block instead of stmt; malloc
7646 (free_omp_region_1, free_omp_regions): New.
7647 (expand_parallel_call): Take entry_stmt as argument; update for
7648 changes to omp_region.
7649 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7650 (remove_exit_barriers): New.
7651 (expand_omp_parallel): Update for struct omp_region changes.
7652 (expand_omp_synch): Likewise.
7653 (expand_omp): Likewise.
7654 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7655 (expand_omp_for_static_chunk): Likewise.
7656 (expand_omp_for): Likewise.
7657 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7658 (expand_omp_sections): Similarly, with GOMP_sections_end.
7659 (expand_omp_single): New.
7660 (build_omp_regions_1): Update for OMP_CONTINUE.
7661 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7662 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7663 OMP_SECTIONS_SECTIONS.
7664 (lower_omp_single_simple): Don't emit barrier here.
7665 (lower_omp_single_copy): Likewise.
7666 (lower_omp_single): Fix bindings, and lower to straightline now.
7667 (lower_omp_master, lower_omp_ordered): Likewise.
7668 (lower_omp_critical): Likewise.
7669 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7670 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7671 omp edges, free it afterward.
7672 (make_omp_sections_edges): Remove.
7673 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7674 (move_stmt_r): Handle OMP_CONTINUE.
7675 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7676 statement pointers to basic blocks. Add type member.
7677 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7678 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7679 * tree-inline.c (estimate_num_insns_1): Likewise.
7680 * tree-pretty-print.c (dump_generic_node): Likewise.
7681 * tree-ssa-operands.c (get_expr_operands): Likewise.
7682 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7683 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7684 (OMP_CONTINUE): New.
7685 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7686 (OMP_SECTIONS_SECTIONS): Remove.
7687 (OMP_SECTION_LAST): New.
7688 (OMP_RETURN_NOWAIT): New.
7690 2006-04-13 Roger Sayle <roger@eyesopen.com>
7692 * fold-const.c (native_encode_vector, native_interpret_real):
7693 Correct obvious mistakes in the previous check-in.
7695 2006-04-13 Roger Sayle <roger@eyesopen.com>
7697 * fold-const.c (native_encode_expr): New function to encode
7698 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7699 or VECTOR_CST into a specified buffer.
7700 (native_encode_int): New function.
7701 (native_encode_real): New function.
7702 (native_encode_complex): New function.
7703 (native_encode_vector): New function.
7704 (native_interpret_expr): Inverse of native_encode_expr to convert
7705 a target representation into an INTEGER_CST, REAL_CST etc...
7706 (native_interpret_int): New function.
7707 (native_interpret_real): New function.
7708 (native_interpret_complex): New function.
7709 (native_interpret_vector): New function.
7710 (fold_view_convert_expr): New function to constant fold/evaluate
7711 a VIEW_CONVERT_EXPR of a suitable constant expression.
7712 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7713 Change call of build1 to fold_build1 when constructing a
7716 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7717 Ulrich Weigand <uweigand@de.ibm.com>
7720 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7723 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7726 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7727 optimize to lo_sum for DFmode if !TARGET_FPRS.
7729 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7731 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7732 delete_alias_info, compute_flow_sensitive_aliasing,
7733 group_aliases): Use VEC instead of VARRAY.
7734 * tree-ssa-structalias.c (update_alias_info): Likewise.
7735 * tree-ssa-structalias.h (alias_info): Change the type of
7736 processed_ptrs to VEC(tree,heap) *.
7738 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7741 * config/sh/lib1funcs.h: New file, broken out of:
7742 * config/sh/lib1funcs.asm.
7743 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7745 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7746 * config/sh/lib1funcs-Os-4-200.asm: New file.
7747 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7748 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7749 (EXTRA_MULTILIB_PARTS): Include it.
7750 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7751 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7752 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7753 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7756 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7758 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7759 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7760 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7762 * tree-ssa-live.h: Include vecprim.h.
7763 (tree_partition_associator_d): Change the type of
7764 first_partition to VEC(int,heap) *.
7765 (tpa_first_partition): Use VEC instead of VARRAY.
7767 * Makefile.in (GTFILES): Move functions.h after tree.h.
7768 * function.c (reset_block_changes, record_block_change,
7769 check_block_change, free_block_changes): Use VEC instead of
7771 * function.h (function): Change the type of
7772 ib_boundaries_block to VEC(tree,gc) *.
7773 * tree-inline.c (copy_cfg_body): Initialize
7774 ib_boundaries_block to NULL instead of (varray_type) 0.
7776 2006-04-12 Roger Sayle <roger@eyesopen.com>
7778 * expr.c (emit_group_store): Correct operand order in call to
7779 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7780 a SUBREG_BYTE of zero.
7782 2006-04-12 Richard Guenther <rguenther@suse.de>
7784 * profile.c (compute_branch_probabilities): Remove code
7785 encapsulated in !ir_type (), which are remanents of the
7786 removed RTL profiling code.
7787 * rtl-profile.c: Remove.
7789 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7791 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7792 magic NULL_RTX comment.
7793 (function_arg): Store entire fp arg to mem if any part should go
7795 (rs6000_arg_partial_bytes): Adjust for above change.
7797 2006-04-11 Roger Sayle <roger@eyesopen.com>
7799 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7800 if it hasn't been initialized by dwarf2out_init.
7802 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7804 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7805 symbolic constants in branch patterns.
7807 2006-04-11 Roger Sayle <roger@eyesopen.com>
7809 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7811 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7813 PR rtl-optimization/27073
7814 * gcse.c (try_replace_reg): Revert last change. Continue to search
7815 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7818 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7820 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7821 aggregate types other than record and union types.
7822 (function_arg): Likewise.
7823 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7825 (function_value): In 64-bit mode, return objects that require it
7828 2006-04-11 Roger Sayle <roger@eyesopen.com>
7830 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7832 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7834 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7836 2006-04-03 Jeff Law <law@redhat.com>
7839 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7840 alias information too.
7842 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7844 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7846 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7849 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7850 (premark_used_types_helper): New.
7851 (premark_used_types): New.
7852 (gen_subprogram_die): Call premark_used_types.
7853 (prune_unused_types_walk): Do not prune perennial dies.
7854 * function.c (used_types_insert): New.
7855 * function.h (struct function): Add used_types_hash field.
7856 (used_types_insert): Add prototype.
7857 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7858 * c-parser.c (c_parser_cast_expression): Save casted types in used
7861 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7864 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7865 rs6000_explicit_options.float_gprs.
7867 2006-04-10 Roger Sayle <roger@eyesopen.com>
7869 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7870 from ix86_expand_vector_init_low_nonzero. Take an additional
7871 one_var argument indicating which element is non-zero. Support
7872 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7873 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7874 with one_var instead of ix86_expand_vector_init_low_nonzero.
7876 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7878 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7879 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7880 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7881 build/genextract.o): Depend on vecprim.h.
7882 * cfglayout.c, df-problems.c, function.c, genextract.c,
7883 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7884 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7888 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7890 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7891 Declare VECs of this type.
7892 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7893 (remove_children): Delete.
7894 (add_dwarf_attr): Use VEC routines.
7895 (add_AT_flag): Update for changes to add_dwarf_attr.
7896 (add_AT_int): Likewise.
7897 (add_AT_unsigned): Likewise.
7898 (add_AT_long_long): Likewise.
7899 (add_AT_vec): Likewise.
7900 (add_AT_string): Likewise.
7901 (add_AT_die_ref): Likewise.
7902 (add_AT_fde_ref): Likewise.
7903 (add_AT_loc): Likewise.
7904 (add_AT_loc_list): Likewise.
7905 (add_AT_addr): Likewise.
7906 (add_AT_lbl_id): Likewise.
7907 (add_AT_lineptr): Likewise.
7908 (add_AT_macptr): Likewise.
7909 (add_AT_offset): Likewise.
7910 (add_AT_range_list): Likewise.
7911 (get_AT): Use VEC_iterate.
7912 (remove_AT): Use VEC_ordered_remove.
7913 (free_die): Fold remove_children into here; have it use VEC_iterate.
7914 (print_die): Use VEC_iterate on attrs.
7915 (reverse_die_lists): Don't reverse attr lists.
7916 (die_checksum): Use VEC_iterate on attrs.
7917 (same_die_p): Likewise.
7918 (output_location_lists): Likewise.
7919 (build_abbrev_table): Likewise.
7920 (size_of_die): Likewise.
7921 (unmark_all_dies): Likewise.
7922 (output_abbrev_section): Likewise.
7923 (output_die): Likewise.
7924 (prune_unused_types_walk_attribs): Likewise.
7926 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7928 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7930 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7933 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7935 2006-04-09 Roger Sayle <roger@eyesopen.com>
7937 * expr.c (store_constructor): Don't bother clearing target if
7938 we're about to assign a vector to it using vec_init_optab.
7940 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7942 * tree-ssa-alias.c (lhs_may_store_to): New function.
7943 (recalculate_used_alone): Handle LHS of calls.
7945 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7949 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7950 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7951 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7952 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7953 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7954 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7955 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7956 stubs. Add ".align 8" directives before all ".dword" directives.
7957 (GTHREAD_USE_WEAK): Revise comment.
7958 (TARGET_ATTRIBUTE_WEAK): Define.
7959 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7960 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7961 * stublib.c: New file.
7966 * pa.md (cbranch patterns): Revise arguments used in calls to
7967 output_cbranch, output_bb and output_bvd. Add long branch length
7969 (fbranch patterns): Handle long branches.
7970 (jump): Revise length check. Revise arguments for output_lbranch call.
7971 Add long branch length attributes.
7972 (decrement_and_branch_until_zero): Add long branch length attributes.
7973 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7974 Likewise. Revise arguments for output_parallel_addb and
7975 output_parallel_movb calls.
7976 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7977 output_parallel_movb and output_parallel_addb): Update prototypes.
7978 * pa.c (output_cbranch): Revise arguments. Correct handling of
7979 nullification in long branches.
7980 (output_lbranch): Add new argument to control extraction of delay
7982 (output_bb): Handle long branches.
7983 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7984 output_parallel_addb): Likewise.
7986 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7988 PR rtl-optimization/27073
7989 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7992 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7994 * tree.h (tree_memory_tag): Add old_used_alone.
7995 (SMT_OLD_USED_ALONE): New macro.
7996 * tree-ssa-alias.c (recalculate_used_alone): Stop
7997 marking things for renaming unnecessarily.
7999 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8001 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8002 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8003 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8004 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8005 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8006 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8007 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8008 spelling convensions.
8009 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8010 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8011 typos. Follow spelling conventions.
8013 2006-04-07 DJ Delorie <dj@redhat.com>
8015 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8016 passed on the stack.
8017 (m32c_init_cumulative_args): When a function returns a structure,
8018 always pass the pointer to that return area on the stack.
8019 (m32c_function_arg_advance): Don't increment the parameter number
8020 if we're processing the returned structure pointer.
8021 (pushm_info): Reverse order of registers.
8023 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8025 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8026 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8027 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8028 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8030 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8031 chrec_fold_multiply): Same.
8032 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8033 force_expr_to_var_cost): Same.
8034 * tree-mudflap.c (mf_xform_derefs_1): Same.
8035 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8037 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8039 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8040 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8043 2006-04-07 Jan Hubicka <jh@suse.cz>
8045 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8047 2006-04-07 Richard Guenther <rguenther@suse.de>
8049 PR tree-optimization/26135
8050 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8051 loads for store copy-prop.
8052 (copy_prop_visit_stmt): Likewise.
8054 2006-04-05 Robert Millan <robertmh@gnu.org>
8056 * config/i386/linux.h: Add a comment to mark macros that are
8057 being overriden in config/k*bsd-gnu.h.
8058 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8060 * config/knetbsd-gnu.h: Ditto.
8062 2006-04-06 Jan Hubicka <jh@suse.cz>
8066 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8069 2006-04-06 Mike Stump <mrs@apple.com>
8071 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8072 for HAVE_nonlocal_goto to be consistent.
8073 (expand_builtin_nonlocal_goto): Likewise.
8074 (expand_builtin_strcmp): Use #ifdef instead of #if
8075 for HAVE_cmpstrnsi to be consistent.
8077 2006-04-05 DJ Delorie <dj@redhat.com>
8079 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8082 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8084 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8085 got-relative addressing for anything but SImode.
8087 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8088 even if the calling function doesn't modify them.
8090 2006-04-05 Richard Guenther <rguenther@suse.de>
8092 PR tree-optimization/26919
8093 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8094 to cgraph_estimate_size_after_inlining.
8096 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8098 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8100 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8102 PR tree-optimization/26996
8103 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8104 VECTOR_TYPE variables.
8106 2006-04-05 Richard Guenther <rguenther@suse.de>
8108 PR tree-optimization/26763
8109 * fold-const.c (fold_comparison): Move folding of
8110 PTR + CST CMP PTR + CST ...
8111 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8113 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8115 * doc/install.texi (Prerequisites): Refine some wording on
8116 bootstrapping and ksh.
8117 Move the version numbers of DejaGnu here from the testing section
8118 and fix casing of names.
8119 Fix markup and clarify wording for autogen requirements.
8120 Refer to GCJ instead of just java.
8121 Refer to SVN instead of CVS.
8122 Describe diffutils as useful instead of necessary.
8123 (Downloading the source): Refer to SVN instead of CVS.
8124 Adjust a link to our web site accordingly.
8125 (Configuration): Fix casing of Bison.
8126 (Building): Refer to SVN instead of CVS.
8127 Fix a sentence on the use of Bison and remove duplicate (and
8128 incorrect) version number of Bison requirement.
8129 Remove one redundant list of packages needed for building.
8130 (Specific): Avoid reference to CVS.
8132 2006-04-04 Eric Christopher <echristo@apple.com>
8134 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8135 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8136 (rs6000_handle_struct_attribute): New.
8137 (rs6000_ms_bitfield_layout_p): Ditto.
8139 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8141 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8142 NULL for dso parameter to atexit_common.
8144 2006-04-04 Eric Christopher <echristo@apple.com>
8146 * config/i386/i386.c (machopic_output_stub): Output \t
8147 between instructions and operands.
8149 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8151 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8152 satisfies_constraint_[IL] to explicit tests on value.
8154 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8156 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8157 set_nb_iterations_in_loop): Use build_int_cst instead of
8159 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8160 build_int_cst instead of convert.
8162 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8164 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8165 new value 2 for incoming.
8166 * function.c (expand_function_start): Call struct_value_rtx
8168 * config/sparc/sparc.md: Comment updated_return.
8169 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8170 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8171 struct return if sparc_std_struct_return and incoming is 2.
8172 (print_operand): Do not adjust return if
8173 sparc_std_struct_return.
8175 2006-04-04 Roger Sayle <roger@eyesopen.com>
8177 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8178 convert in the middle-end.
8179 * expr.c (store_expr, store_constructor, get_inner_reference,
8180 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8182 * tree.c (build_range_type): Likewise.
8184 2006-04-04 Tom Tromey <tromey@redhat.com>
8186 * doc/install.texi (Prerequisites): Mention jar.
8188 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8190 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8193 2006-04-04 Matthias Klose <doko@debian.org>
8195 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8199 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8202 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8204 * doc/extend.texi (Function Attributes): Rewrite visibility
8205 attribute documentation.
8206 * doc/invoke.texi (C++ Dialect Options): Rewrite
8207 -fvisibility-inlines-hidden documentation to describe something
8208 entirely different, although in practise compatible.
8209 (Code Gen Options): Warn about system headers in -fvisibility=
8212 * doc/extend.texi (Other Builtins): Document that
8213 __builtin_nan is a compile-time constant only when its argument
8216 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8218 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8219 trying to remove TRUNCATE check if all bits outside the new mode
8220 are identical to the sign bit.
8222 2006-04-03 Jeff Law <law@redhat.com>
8224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8225 and operand scanning in some common cases.
8227 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8228 Dale Johannesen <dalej@apple.com>
8231 * regclass.c (struct reg_pref): Update documentation.
8232 (regclass): Set prefclass to NO_REGS if memory is the best option.
8233 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8234 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8235 into account. For non-registers, equate an empty preferred
8236 reload class to a `!' in the constraint; move the if clause to
8237 do so after those that reject the insn.
8238 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8240 (find_dummy_reload): Likewise.
8241 * doc/tm.texi (Register Classes): Document what it means
8242 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8243 * config/i386/i386.c (ix86_preferred_reload_class): Force
8244 using SSE registers (and return NO_REGS for floating-point
8245 constants) if math is done with SSE.
8246 (ix86_preferred_output_reload_class): New.
8247 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8248 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8249 * config/i386/i386.md: Remove # register preferences.
8251 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8254 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8255 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8256 the type of nb_iter.
8257 (instantiate_parameters_1): Convert the operands before calling
8258 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8259 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8261 2006-04-02 Roger Sayle <roger@eyesopen.com>
8263 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8264 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8266 * dojump.c (do_jump): Likewise.
8267 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8268 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8269 gimplify_boolean_expr): Likewise.
8270 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8271 * varasm.c (array_size_for_constructor): Likewise.
8272 * tree-object-size.c (compute_object_offset): Likewise.
8274 2006-04-02 Roger Sayle <roger@eyesopen.com>
8277 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8278 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8280 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8282 PR tree-optimization/26939
8283 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8285 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8287 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8288 at_stmt. Convert the type of operands before calling
8289 build_polynomial_chrec.
8290 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8292 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8293 (instantiate_parameters_1): Convert the type of operands before calling
8294 build_polynomial_chrec.
8295 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8296 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8297 reset_evolution_in_loop): Insert asserts to check the types of the
8299 (chrec_type): Moved...
8300 (eq_evolutions_p): Use operand_equal_p.
8301 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8302 the types of the operands.
8303 (chrec_type): ...here.
8304 * tree-data-ref.c (create_data_ref): Convert the operands before
8305 calling chrec_replace_initial_condition.
8306 (same_access_functions, analyze_subscript_affine_affine,
8307 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8308 (compute_subscript_distance, analyze_ziv_subscript,
8309 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8310 analyze_miv_subscript): Convert the operands before calling
8311 chrec_fold_minus or chrec_fold_plus.
8313 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8315 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8316 the dependence_relations vector.
8317 (compute_data_dependences_for_loop): Adjust call to
8318 compute_all_dependences.
8320 2006-04-01 Roger Sayle <roger@eyesopen.com>
8321 Richard Henderson <rth@redhat.com>
8323 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8324 gimple_boolify on the condition before calling gimplify_expr.
8326 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8328 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8329 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8330 the frame size. Update to use the new macros.
8331 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8332 * config/xtensa/ieee754-df.S: Likewise.
8334 2006-03-31 Richard Henderson <rth@redhat.com>
8336 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8337 (make_edges): ... here. Control fallthru creation with a local
8338 variable. Do not play with fake edges.
8339 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8340 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8343 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8345 * dwarf2.h (DW64_CIE_ID): Define.
8346 * dwarf2out.c (DWARF_CIE_ID): Define.
8347 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8348 length header. Use DWARF_CIE_ID.
8349 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8350 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8352 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8354 * config/sh/linux-atomic.asm: New file.
8355 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8357 2006-03-31 DJ Delorie <dj@redhat.com>
8359 * config/m32c/cond.md: Set condition flags properly throughout.
8360 * config/m32c/minmax.md: Likewise.
8361 * config/m32c/prologue.md: Likewise.
8362 * config/m32c/bitops.md: Likewise.
8363 * config/m32c/muldiv.md: Likewise.
8364 * config/m32c/mov.md: Likewise.
8365 * config/m32c/addsub.md: Likewise.
8366 * config/m32c/m32c.md: Likewise.
8367 * config/m32c/jump.md: Likewise.
8368 * config/m32c/shift.md: Likewise.
8370 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8371 conditionally output the pattern for this.
8372 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8373 (m32c_compare_redundant): New.
8374 (m32c_output_compare): New.
8375 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8377 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8378 dest, not src. Allow other 4-byte modes.
8380 2006-03-30 Denis Chertykov <denisc@overta.ru>
8382 * doc/md.texi: Refer to avr/constraints.md instead of
8385 2006-03-30 Roger Sayle <roger@eyesopen.com>
8387 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8388 signed vs. unsigned comparison failures on some hosts.
8390 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8393 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8394 change to FLOAT_REGS.
8396 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8397 (rs6000_override_options): Use it.
8398 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8399 only for -mabi=spe/no-spe and -mabi=altivec.
8401 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8403 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8406 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8408 * Makefile.in: Rename docdir to gcc_docdir.
8410 2006-03-30 Roger Sayle <roger@eyesopen.com>
8413 * expr.c (emit_group_store): Optimize group stores into a pseudo
8414 register by using a paradoxical subreg to initialize the destination
8415 if the first or last member of the group specifies a "low part".
8417 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8420 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8421 * target.h (struct gcc_target.speculate_insn): Change type of the
8422 second parameter to 'int'.
8423 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8424 the second operand of the DEPS_LIST.
8425 (copy_DEPS_LIST_list): Update reference to the second operand of the
8427 * rtl.h (alloc_DEPS_LIST): Update signature.
8428 * sched-int.h (ds_t): Change typedef to 'int'.
8429 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8431 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8433 * haifa-sched.c (try_ready): Change condition to restore
8434 non-speculative pattern of the instruction.
8435 (process_insn_depend_be_in_spec): Code to keep probability of the
8436 speculative dependence non-decreasing.
8438 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8440 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8441 (single_move_for_movmem): ... this. Also change all uses.
8442 (bfin_expand_strmov): Renamed to...
8443 (bfin_expand_movmem): ... this. Also change all uses.
8444 * config/bfin/bfin.md (movstrsi): Renamed to...
8445 (movstrsi): ...this.
8447 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8449 PR tree-optimization/26830
8451 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8452 (copy_prop_visit_stmt): Remove write-only variable ann.
8453 (init_copy_prop): Check variable loop depth here. Do not simulate
8454 memory-tag and virtual operand PHIs except for store copy prop.
8456 2006-03-30 Richard Guenther <rguenther@suse.de>
8458 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8459 variants with double arguments.
8461 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8463 * genpreds.c (write_tm_constrs_h): Delete variable p.
8464 * genconditions.c (write_header): Add tm-constrs.h to included
8466 * genpeep.c (main): Add toplev.h to included headers.
8467 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8468 (build/genpeep.o): Add toplev.h dependency.
8469 * config/rs6000/constraints.md: Add "W" constraint.
8471 2006-03-29 Roger Sayle <roger@eyesopen.com>
8473 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8474 sizes by correctly testing whether the size fits a host integer.
8475 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8476 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8477 SImode range for the default sizetype and bitsizetype.
8479 2006-03-29 Roger Sayle <roger@eyesopen.com>
8481 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8482 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8483 quickly if the argument is already of the correct type.
8484 Call fold_build1 instead of build1. Tidy up blank lines.
8486 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8488 * genemit.c (main): Add tm-constrs.h to included headers.
8489 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8490 * genpeep.c (main): Add tm-constrs.h to included headers.
8491 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8492 (write_tm_constrs_h): this and write complete file.
8493 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8494 (write_insn_preds_c): Add tm-constrs.h to included headers.
8495 (gen_constrs): New variable.
8496 (parse_option): Parse "-c".
8497 (main): Invoke write_tm_constrs_h.
8498 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8499 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8500 (object_out_file): Add tm-constrs.h dependency.
8501 (insn-emit.o): Same.
8502 (insn-output.o): Same.
8503 (insn-peep.o): Same.
8504 (insn-preds.o): Same.
8505 (insn-recog.o): Same.
8506 (tm-constsr.h): New target.
8507 (s-constrs-h): New target.
8509 * config/rs6000/constraints.md: New file.
8510 * config/rs6000/rs6000.c: Include tm-constrs.h.
8511 (num_insn_constant_wide): Convert to satisfies_constraint.
8512 (rs6000_rtx_costs): Convert to satisfies_constraint.
8513 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8514 (CONST_OK_FOR_LETTER_P): Delete.
8515 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8516 (EXTRA_CONSTRAINT): Delete.
8517 (EXTRA_MEMORY_CONSTRAINT): Delete.
8518 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8519 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8520 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8521 satisfies_constraint.
8523 * config/i386/i386.c: Include tm-constrs.h.
8525 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8527 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8528 * tree-data-ref.c (find_data_references_in_loop,
8529 compute_data_dependences_for_loop): Use pointers to VEC.
8530 (analyze_all_data_dependences): Adjust calls.
8531 * tree-data-ref.h (find_data_references_in_loop,
8532 compute_data_dependences_for_loop): Adjust declarations.
8533 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8534 compute_data_dependences_for_loop.
8536 2006-03-29 Paul Brook <paul@codesourcery.com>
8538 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8541 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8543 PR tree-optimization/26859
8544 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8546 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8547 for the step after fold_convert.
8549 2006-03-29 Paul Brook <paul@codesourcery.com>
8551 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8552 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8554 2006-03-29 Paul Brook <paul@codesourcery.com>
8557 * targhooks.c (default_narrow_bitfield): New fuction.
8558 * targhooks.h (default_narrow_bitfield): add prototype.
8559 * target.h (gcc_target): Add narrow_volatile_bitfield.
8560 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8561 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8562 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8563 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8565 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8567 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8569 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8570 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8571 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8572 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8573 (s390_function_arg_float): Allow SDmode and DDmode values to be
8574 passed in floating point registers.
8575 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8576 check with SCALAR_FLOAT_MODE_P.
8577 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8579 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8581 PR tree-optimization/25985
8582 * tree-ssa-loop-niter.c (number_of_iterations_le,
8583 number_of_iterations_ne): Make comments more precise.
8584 (number_of_iterations_cond): Add only_exit argument. Use the
8585 fact that signed variables do not overflow only when only_exit
8587 (loop_only_exit_p): New.
8588 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8589 number_of_iterations_cond.
8591 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8593 PR tree-optimization/26643
8594 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8597 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8599 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8600 (divsi3_i4_int): Likewise.
8602 2006-03-28 Roger Sayle <roger@eyesopen.com>
8604 * expr.c (emit_group_store): Only create a new pseudo reg if the
8605 quantity it needs to hold isn't already a suitable pseudo.
8607 2006-03-28 Jeff Law <law@redhat.com>
8609 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8610 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8612 2006-03-28 Roger Sayle <roger@eyesopen.com>
8614 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8615 the equivalent ~X & Y, and the symmetry related transformations.
8616 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8617 ~X & Y, and symmetry related transforms.
8619 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8621 Revert my 2006-03-27 patches.
8623 2006-03-28 Roger Sayle <roger@eyesopen.com>
8625 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8626 ~(T1)X, when T1 and T2 are integer types of the same precision
8627 and (T2)X isn't an extension.
8629 2006-03-28 Jeff Law <law@redhat.com>
8631 PR tree-optimization/26796
8632 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8633 need EH edge cleanups rather than purging them immediately.
8634 (eliminate_degenerate_phis): Handle queued EH cleanups.
8636 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8638 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8641 2006-03-27 Roger Sayle <roger@eyesopen.com>
8644 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8645 cast BIT_NOT_EXPR operand to the correct type.
8647 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8649 * tree-loop-linear.c: Don't include varray.h.
8650 (gather_interchange_stats, try_interchange_loops,
8651 linear_transform_loops): Use VEC instead of VARRAY.
8652 * lambda-mat.c: Don't include varray.h.
8653 * tree-chrec.c: Same.
8654 * lambda-trans.c: Same.
8655 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8656 VEC instead of VARRAY.
8657 * tree-vectorizer.h: Idem.
8658 * tree-data-ref.c (dump_data_references,
8659 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8660 initialize_data_dependence_relation, finalize_ddr_dependent,
8661 compute_all_dependences, find_data_references_in_loop,
8662 compute_data_dependences_for_loop, analyze_all_data_dependences,
8663 free_dependence_relation, free_dependence_relations,
8664 free_data_refs): Idem.
8665 * tree-data-ref.h (data_reference_p, subscript_p): New.
8666 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8667 VEC instead of VARRAY.
8668 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8669 (find_data_references_in_loop, compute_data_dependences_for_loop,
8670 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8671 dump_data_dependence_relations, free_dependence_relations,
8672 free_data_refs): Adjust declaration.
8673 (lambda_transform_legal_p): Move declaration here...
8674 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8675 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8676 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8677 vect_analyze_data_refs): Use VEC instead of VARRAY.
8678 * lambda.h (lambda_transform_legal_p): ...from here.
8679 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8680 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8681 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8682 tree-chrec.o): Don't depend on VARRAY_H.
8684 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8686 * rtl.def (Copyright): Update date.
8687 (DEPS_LIST): Change type of the second operand to 'int'.
8688 * target.h (Copyright): Update date.
8689 (struct gcc_target.speculate_insn): Change type of the second parameter
8691 * lists.c (Copyright): Update date.
8692 (alloc_DEPS_LIST): Change signature. Update reference to the second
8693 operand of the DEPS_LIST.
8694 (copy_DEPS_LIST_list): Update reference to the second operand of the
8696 * rtl.h (Copyright): Update date.
8697 (alloc_DEPS_LIST): Update signature.
8698 * sched-int.h (Copyright): Update date.
8699 (ds_t): Change typedef to 'int'.
8700 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8702 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8704 * haifa-sched.c (Copyright): Update date.
8705 (try_ready): Change condition to restore non-speculative pattern
8707 (process_insn_depend_be_in_spec): Code to keep probability of the
8708 speculative dependence non-decreasing.
8710 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8712 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8713 shut up the compiler.
8715 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8717 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8718 to use lib prefix for target.
8719 ($(T)libic_invalidate_array_4-200.a): Likewise.
8720 ($(T)libic_invalidate_array_4a.a): Likewise.
8722 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8723 J"orn Rennecke <joern.rennecke@st.com>
8725 * superh.opt: New file.
8726 * sh.c (boardtype, osruntime): Remove.
8727 * superh.h (SUBTARGET_OPTIONS): Remove.
8728 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8730 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8731 arguments with ^ and/or [].
8733 * config.gcc (sh-*-*): Add quoting to account for quirk of
8735 Replace == with = in enable_incomplete_targets test.
8737 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8738 with MASK_LITTLE_ENDIAN.
8740 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8741 * config/sh/sh.opt: Added to some comments.
8742 * config/sh/superh.h: Removed some chaff.
8744 * config/sh/sh.opt: Add m4-[1234]00* options.
8745 * config/sh/sh.c (sh_handle_option): Likewise.
8746 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8747 (ic_invalidate_array_4-100.o): New rule.
8748 ($(T)libic_invalidate_array_4-100.a): Likewise.
8749 (ic_invalidate_array_4-200.o): Likewise.
8750 ($(T)libic_invalidate_array_4-200.a): Likewise.
8751 (ic_invalidate_array_4a.o): Likewise.
8752 ($(T)libic_invalidate_array_4a.a): Likewise.
8753 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8754 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8756 * config/sh/crt1.asm: Merged in profiling code.
8757 * config/sh/superh.h (STARTFILE_SPEC): Override.
8758 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8759 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8760 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8762 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8763 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8764 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8766 * sh.opt (mpretend-cmove): New option.
8767 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8768 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8769 (movsicc): Add TARGET_PRETEND_CMOVE code.
8771 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8773 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8774 s390_class_max_nregs): New function prototypes.
8775 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8776 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8777 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8778 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8780 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8782 * dwarf2out.c (add_location_or_const_value_attribute): Call
8783 tree_add_const_value_attribute if nothing else works.
8784 (reference_to_unused): New.
8785 (rtl_for_decl_init): Use reference_to_unused to decide whether
8786 to output an initializer.
8788 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8791 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8792 peephole removing spe frob_di_df_2.
8794 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8796 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8797 (subscript_dependence_tester_1): Declared.
8798 (print_dir_vectors, print_dist_vectors): New.
8799 (debug_data_dependence_relation): New.
8800 (dump_data_dependence_relation): Print more details.
8801 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8802 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8803 (save_dist_v, save_dir_v, add_outer_distances,
8804 build_classic_dist_vector_1): New.
8805 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8806 Don't test for lambda_vector_lexico_pos.
8807 (same_access_functions, add_multivariate_self_dist,
8808 add_other_self_distances, dir_from_dist): New.
8809 (build_classic_dir_vector): Replace implementation almost identical to
8810 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8812 (subscript_dependence_tester_1): New.
8813 (subscript_dependence_tester): Handle the lexicographically negative
8814 distance vectors by recomputing the dependence relation.
8815 (compute_affine_dependence): Remove parameter loop_nest_depth.
8816 (compute_self_dependence): Don't call compute_subscript_distance.
8817 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8818 Add a parameter for the loop_nest.
8819 (find_loop_nest_1, find_loop_nest): New.
8820 (compute_data_dependences_for_loop): Compute the loop nest, and give
8821 up if the nest is not well formed.
8822 * tree-data-ref.h (loop_p): New.
8823 (struct data_dependence_relation): Replace size_vect field with
8824 loop_nest, a vec of loops.
8825 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8826 (DDR_LOOP_NEST): New.
8827 (print_dir_vectors, print_dist_vectors,
8828 debug_data_dependence_relation): Declared.
8829 (index_in_loop_nest): New.
8830 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8831 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8834 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8836 * simplify-rtx.c (simplify_relational_operation): Call
8837 simplify_relational_operation_1 even if mode is VOIDmode.
8839 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8841 PR tree-optimization/26804
8842 * tree.h (DECL_CALL_CLOBBERED): New macro.
8843 (tree_decl_common): Add call_clobbered_flag.
8844 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8845 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8846 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8847 (mark_non_addressable): Ditto.
8848 * tree-ssa.c (verify_call_clobbered): New function.
8849 (verify_alias_info): Use it.
8850 * tree-pass.h (pass_reset_cc_flags): New prototype.
8851 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8852 (reset_cc_flags): New function.
8853 * passes.c (init_optimization_passes): Call reset_cc_flags after
8854 initializing referenced_vars.
8856 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8857 Roger Sayle <roger@eyesopen.com>
8860 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8861 to 1.0 for non-real operands. Implement A / A optimization for
8864 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8866 * config/i386/i386.c (size_cost): Correct the comment for
8867 cost of storing fp registers.
8868 (i386_cost): Likewise.
8869 (i486_cost): Likewise.
8870 (pentium_cost): Likewise.
8871 (pentiumpro_cost): Likewise.
8872 (k6_cost): Likewise.
8873 (athlon_cost): Likewise.
8874 (k8_cost): Likewise.
8875 (pentium4_cost): Likewise.
8876 (nocona_cost): Likewise.
8877 (generic64_cost): Likewise.
8878 (generic32_cost): Likewise.
8880 2006-03-24 Denis Chertykov <denisc@overta.ru>
8882 * config/avr/avr-protos.h (extra_constraint): Delete.
8883 (extra_constraint_Q): New declaration.
8884 * config/avr/constraints.md: New file.
8885 * config/avr/avr.md: Include it.
8886 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8887 (TMP_REGNO, ZERO_REGNO): Likewise.
8888 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8889 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8890 (extra_constraint): Delete.
8891 (extra_constraint_Q): Test for memory constraint 'Q'.
8892 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8893 (REG_CLASS_FROM_LETTER): Delete.
8894 (CONST_OK_FOR_LETTER_P): Delete.
8895 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8896 (EXTRA_CONSTRAINT): Delete.
8897 (TMP_REGNO): Delete.
8898 (ZERO_REGNO): Delete.
8900 2006-03-24 Jeff Law <law@redhat.com>
8902 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8903 directly. Call mark_new_vars_to_rename slightly earlier.
8905 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8907 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8909 (gen_compile_unit_die): Use new language types for Objective-C and
8911 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8912 DW_LANG_C_plus_plus.
8915 * config/t-darwin (crt3.o): Work around bug 26840.
8916 * config/darwin-crt3.c: Rewrite.
8917 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8919 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8921 * doc/invoke.texi: Document -femit-class-debug-always
8922 * common.opt: Add -femit-class-debug-always.
8924 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8926 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8927 index and base register.
8928 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8929 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8930 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8931 REGNO_OK_FOR_INDEX_P.
8932 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8934 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8935 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8936 REG_OK_FOR_BASE_P): Definitions removed.
8938 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8941 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8942 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8943 set yet or weren't marked as local yet.
8945 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8947 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8950 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8952 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8953 (rs6000_legitimate_small_data_p): Delete.
8954 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8955 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8956 and make static. Add forward declaration. Update uses.
8957 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8958 of offsettable_memref_p.
8959 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8960 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8962 2006-03-24 Jeff Law <law@redhat.com>
8964 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8965 around bug in immediate-use iterator.
8967 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8970 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8971 or __LITTLE_ENDIAN__.
8973 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8975 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8976 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8977 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8978 * config/sh/sh.opt (mdiv=): Amend description.
8979 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8980 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8981 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8982 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8983 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8984 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8985 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8986 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8987 TARGET_DIVIDE_CALL_FP.
8989 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8991 * haifa-sched.c (choose_ready): Fix type of the local variable.
8992 Move local variables. Add comment.
8993 (check_reg_live): Change signature. Make callable from debugger.
8994 * sched-int.h (check_reg_live): Update signature.
8995 * sched-ebb.c (check_reg_live): Update parameters.
8996 * sched-rgn.c (check_reg_live): Ditto.
8997 (region_head_or_leaf_p): Check pointer before dereferencing.
8998 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8999 before reload on optimization levels below 1.
9001 2006-03-23 Richard Henderson <rth@redhat.com>
9003 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9007 * config/alpha/predicates.md (local_symbolic_operand): Reject
9010 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9013 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9014 expressions which have overflowed constants.
9016 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9018 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9020 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9022 * cfgloopmanip.c (create_loop_notes): Removed.
9023 * final.c (final_scan_insn): Do not handle loop notes.
9024 * jump.c (squeeze_notes): Ditto.
9025 * cfglayout.c (skip_insns_after_block,
9026 duplicate_insn_chain): Ditto.
9027 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9029 * cfgloop.h (create_loop_notes): Declaration removed.
9031 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9033 * varasm.c (output_constant_pool): Restore fnname and fndecl
9035 (assemble_start_function): Adjust call accordingly.
9036 (assemble_end_function): Likewise.
9038 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9041 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9044 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9046 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9049 * system.h (ICE_EXIT_CODE): New macro.
9050 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9051 (diagnostic_action_after_output): Likewise.
9052 * gcc.c (fatal_ice): New function.
9053 (execute): Use it instead of fatal.
9054 (fancy_abort): Likewise.
9055 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9057 2006-03-22 Jeff Law <law@redhat.com>
9059 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9060 iv_analyze_result returning false.
9062 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9064 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9066 2006-03-22 Richard Henderson <rth@redhat.com>
9069 * except.c (duplicate_eh_regions_0): New.
9070 (duplicate_eh_region_1): Duplicate the children of the node as
9071 well as the node itself. Link them up properly.
9072 (duplicate_eh_region_2): Merge into ...
9073 (duplicate_eh_regions): ... here. Take copy_region argument, and
9074 copy only a sub-tree if asked. Simplify copying and fixup.
9075 (eh_region_outer_p): New.
9076 * except.h (duplicate_eh_regions): Update decl.
9077 (eh_region_outer_p): Declare.
9078 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9079 (lower_omp_master): Likewise.
9080 (lower_omp_ordered): Likewise.
9081 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9082 (move_stmt_r): Use it to remap labels. Handle recursion vs
9083 remap_decls_p properly.
9084 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9085 (find_outermost_region_in_block): New.
9086 (new_label_mapper): New.
9087 (move_sese_region_to_fn): Copy eh information to the new function
9089 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9091 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9094 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9096 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9097 into shared libraries.
9099 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9101 * doc/md.texi: Refer to i386/constraints.md instead of
9103 * config/i386/constraints.md: New file, extracted from...
9104 * config/i386/predicates.md: ...here.
9105 * config/i386/i386.md: Include constraints.md.
9107 2006-03-21 Jason Merrill <jason@redhat.com>
9109 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9112 * expr.c (init_block_move_fn): Force default visibility.
9113 (init_block_clear_fn): Likewise.
9114 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9115 * targhooks.c (default_external_stack_protect_fail): Likewise.
9117 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9119 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9120 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9121 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9122 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9123 (loadgp): Use mips_current_loadgp_style.
9124 (loadgp_noshared): New pattern.
9125 (sibcall_internal): Use MIPS_CALL.
9126 (sibcall_value_internal): Likewise.
9127 (sibcall_value_multiple_internal): Likewise.
9128 (call_internal): Likewise.
9129 (call_value_internal): Likewise.
9130 (call_value_multiple_internal): Likewise.
9131 (call_split): Use MIPS_CALL and add an 'S' constraint.
9132 (call_value_split): Likewise.
9133 (call_value_multiple_split): Likewise.
9134 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9135 (-mshared): New option.
9136 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9137 (mips_current_loadgp_style): Declare.
9138 * config/mips/mips.c (mips_classify_symbol): Avoid using
9139 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9140 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9141 TARGET_ABSOLUTE_ABICALLS.
9142 (override_options): Adjust comments. Improve the warning that is
9143 issued when -mabicalls and -G are used together.
9144 (mips_file_start): Remove comment.
9145 (mips_current_loadgp_style): New function.
9146 (mips_gnu_local_gp): New variable.
9147 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9149 (mips_output_function_prologue): Use mips_current_laodgp_style.
9150 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9151 the cprestore instruction.
9152 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9153 live for TARGET_ABSOLUTE_ABICALLS.
9154 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9155 (ASM_SPEC): Pass down -mshared and -mno-shared.
9156 (MIPS_CALL): New macro.
9157 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9159 * doc/invoke.texi (-mabicalls): Update documentation.
9160 (-mshared): Document.
9162 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9164 * config/ia64/unwind-hpux.c: New file.
9165 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9167 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9170 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9172 2006-03-21 Jeff Law <law@redhat.com>
9174 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9175 type conversions of a VR_VARYING source to a wider type.
9177 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9179 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9180 tm_file on Solaris 10 and later.
9181 (sparc64-*-solaris2*): Likewise.
9182 (sparc-*-solaris2*): Likewise.
9183 * config/sol26.h: Rename to config/sol2-6.h.
9184 * config/sol2-10.h: New file.
9186 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9189 * tree-ssa-pre.c (create_component_ref_by_pieces):
9192 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9195 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9196 return it immediately.
9198 2006-03-21 Michael Matz <matz@suse.de>
9200 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9202 (remove_arc, add_arc): Update num_out_arcs member.
9203 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9205 (cache_presence): New function.
9206 (compare_states_for_equiv): New function.
9207 (state_is_differed): Don't take number of outargs, adjust callers.
9208 Use new invariant for speeding up.
9209 (init_equiv_class): Create initial classes based on sorted
9211 (partition_equiv_class): Don't track out_arcs_num.
9212 (evaluate_equiv_classes): Call cache_presence on all states and
9215 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9217 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9218 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9219 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9220 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9222 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9223 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9224 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9225 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9226 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9228 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9229 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9230 (REGNO_REG_CLASS): ARGP is in PREGS.
9231 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9233 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9234 to deal with those addresses.
9235 * addresses.h: New file.
9236 * caller-save.c: Include "addresses.h".
9237 (init_caller_save): Use new base_reg_class function.
9238 * rtl-factoring.c: Include "addresses.h".
9239 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9240 * recog.c: Include "addresses.h".
9241 (preprocess_constraints): Use new base_reg_class function.
9242 * regrename.c: Include "addresses.h".
9243 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9244 functions. Keep track of a new var INDEX_CODE to compute valid
9246 (replace_oldest_value_addr): Likewise.
9247 (replace_oldest_value_mem): Use base_reg_class.
9248 * reload.c: Include "addresses.h".
9249 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9250 (find_reloads): Use new base_reg_class function.
9251 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9252 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9253 all callers and prototype changed.
9254 * reload1.c: Include "addresses.h".
9255 (maybe_fix_stack_asms): Use base_reg_class.
9256 * regclass.c: Include "addresses.h".
9257 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9258 (init_reg_autoinc): Use new base_reg_class function.
9259 (record_reg_classes): Likewise.
9260 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9261 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9262 Use new args to compute necessary class.
9264 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9265 regrename.o, rtl-factoring.o): Update dependencies.
9266 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9267 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9268 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9269 REG_OK_FOR_INDEX_P): Delete documentation.
9271 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9273 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9274 from V7 to V9 for Solaris 7 and above.
9276 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9278 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9279 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9280 argument pointers may not alias any other storage.
9281 * common.opt: Define option -fargument-noalias-anything.
9282 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9283 alias semantics is specified by flag_argument_noalias > 2.
9285 2006-03-20 Jeff Law <law@redhat.com>
9287 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9288 (pass_phi_only_cprop): Declare.
9289 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9291 * tree-ssa-dom.c (degenerate_phi_result): New function.
9292 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9293 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9294 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9295 (eliminate_degenerate_phis): Likewise.
9296 (pass_phi_only_cprop): New pass descriptor.
9297 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9298 support code. Callers updated.
9299 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9300 (store_copy_prop): Likewise.
9301 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9303 2006-03-20 Jason Merrill <jason@redhat.com>
9306 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9307 (push_visibility, pop_visibility): Likewise.
9308 * c-pragma.h: Declare them.
9310 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9312 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9314 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9315 parameter and use get_ebb_head_tail.
9316 (sh_md_init_global): Adjust uses of find_regmode_weight.
9318 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9320 * function.h (struct function) <x_tail_recursion_reentry>:
9321 Rename to x_stack_check_probe_note.
9322 (tail_recursion_reentry): Rename to stack_check_probe_note.
9323 * function.c: Replace tail_recursion_reentry with
9324 stack_check_probe_note everywhere.
9325 (expand_function_start): Only emit a note for
9326 stack_check_probe_note with -fstack-protect.
9327 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9329 * emit-rtl.c (remove_unnecessary_notes): Remove.
9330 (pass_remove_unnecessary_notes): Remove.
9331 * rtl.h (remove_unnecessary_notes): Remove prototype.
9332 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9333 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9334 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9336 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9339 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9340 (valid_in_set): Handle ARRAY_REF.
9341 Change "if min_variant or VH" to asserts.
9342 (create_component_ref_by_pieces): Handle ARRAY_REF.
9343 (create_expression_by_pieces): Likewise.
9344 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9346 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9348 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9349 is operand of switch, not str[0].
9351 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9353 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9354 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9356 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9358 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9359 end of insn_extra_address_constraint declaration.
9361 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9363 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9364 (no-sum-in-toc): Same.
9365 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9367 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9368 NO_FP_IN_TOC for -fPIC instead of mask.
9370 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9371 (BOOT_LDFLAGS): Delete.
9373 * config/rs6000/t-aix52: Same.
9375 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9376 (stmsi[345678]_power): New.
9378 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9380 * config/ia64/ia64.opt: Add empty line to end of file.
9382 2006-03-17 Richard Guenther <rguenther@suse.de>
9385 * builtins.c (get_pointer_alignment): For component style references
9386 adjust alignment to the component type alignment. Make sure
9387 to adjust alignment for component access of constants.
9389 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9391 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9394 2006-03-17 Paul Brook <paul@codesourcery.com>
9396 * doc/install.texi: Docuemnt --with-mode.
9397 * config.gcc: Add --with-mode for arm*-*-*.
9398 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9400 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9402 * sh.c (max_labelno_before_reorg): New variable.
9403 (sh_reorg): Initialize it.
9404 (find_barrier): Check max_labelno_before_reorg before using
9405 label_to_alignment. Take length of explicit alignment insns
9406 into account. When seeing a UNSPECV_CONST_END, return it.
9408 * sh.c (fixup_mova): Set mode of affected label to QImode.
9409 (untangle_mova): New function.
9410 (find_barrier): Use it. Check mode of label before decrementing
9412 (sh_reorg): Likewise.
9413 Set mode of all insns back to VOIDmode.
9415 * sh.c (MOVA_LABELREF): New macro.
9416 (mova_p, fixup_mova, sh_reorg): Use it.
9417 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9418 ADDR_DIFF_VEC matches mova.
9420 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9422 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9423 with ATTRIBUTE_UNUSED.
9425 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9427 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9428 pointer, instead of assuming it is possible to derive the
9429 correct args size from a call insn.
9431 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9433 * rtl.h (CONST_INT_P): Define.
9434 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9435 instead of GET_CODE(x) == CONST_INT.
9436 (vax_rtx_costs): Likewise.
9437 (vax_output_int_move): Likewise.
9438 (vax_output_int_add): Likewise.
9439 (legitimate_constant_address_p): Likewise.
9440 (index_term_p): Likewise.
9441 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9442 * config/vax/vax.md (and<mode>3): Likewise.
9443 (ashrsi3): Likewise.
9445 (movstricthi): Likewise.
9446 (movstrictqi): Likewise.
9447 (rotrsi3): Likewise.
9448 (five unnamed insns): Likewise.
9450 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9452 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9453 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9454 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9455 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9456 Pass to ASM_OUTPUT_DWARF_OFFSET.
9457 * dwarf2out.c (debug_frame_section): New.
9458 (output_call_frame_info): Use debug_frame_section. Pass it to
9459 dw2_asm_output_offset.
9460 (output_die): Pass appropriate section to dw2_asm_output_offset.
9461 (output_compilation_unit_header): Likewise.
9462 (output_pubnames): Likewise.
9463 (output_aranges): Likewise.
9464 (enum dw_val_class): Break dw_val_class_lbl_offset into
9465 dw_val_class_lineptr and dw_val_class_macptr.
9466 (add_AT_lbl_offset): Delete.
9467 (add_AT_lineptr): New.
9468 (add_AT_macptr): New.
9469 (AT_lbl): Expect a lineptr or macptr.
9470 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9471 (attr_checksum): Likewise.
9472 (same_dw_val_p): Likewise.
9473 (size_of_die): Likewise.
9474 (value_format): Likewise.
9475 (output_die): Likewise.
9476 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9478 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9479 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9480 * config/darwin-protos.h (darwin_file_start): New.
9481 (darwin_asm_output_dwarf_offset): New.
9482 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9483 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9485 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9486 if not EH section; simplify.
9487 (darwin_file_start): New.
9488 (darwin_asm_output_dwarf_offset): New.
9489 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9491 (DEBUG_INFO_SECTION): Likewise.
9492 (DEBUG_ABBREV_SECTION): Likewise.
9493 (DEBUG_ARANGES_SECTION): Likewise.
9494 (DEBUG_MACINFO_SECTION): Likewise.
9495 (DEBUG_LINE_SECTION): Likewise.
9496 (DEBUG_LOC_SECTION): Likewise.
9497 (DEBUG_PUBNAMES_SECTION): Likewise.
9498 (DEBUG_STR_SECTION): Likewise.
9499 (DEBUG_RANGES_SECTION): Likewise.
9500 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9501 (ASM_OUTPUT_DWARF_OFFSET): New.
9503 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9505 * config.gcc (tm_defines): Always add to previous value rather
9508 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9510 * config/mips/predicates.md (splittable_const_int_operand): New,
9511 split from move_operand.
9512 (splittable_symbolic_operand): New.
9513 (move_operand): Add commentary. Use splittable_const_int_operand.
9514 Inline mips_atomic_symbolic_constant_p.
9515 * config/mips/mips.md: Add combine splitters for handling moves
9516 of splittable_const_int_operands and splittable_symbolic_operands.
9517 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9518 (mips_split_symbol): Declare.
9519 (mips_move_integer): Declare.
9520 * config/mips/mips.c (mips_split_p): Make global.
9521 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9522 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9523 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9524 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9525 (mips_offset_within_object_p): Handle block symbols.
9526 (mips_atomic_symbolic_constant_p): Delete.
9527 (mips_cannot_force_const_mem): Return false for constants that
9528 mips_legitimize_move can handle.
9529 (mips_use_blocks_for_constant_p): New function.
9530 (mips_split_symbol): Make global.
9531 (mips_move_integer): Likewise. Add a temporary register argument.
9532 (mips_legitimize_const_move): Use splittable_const_int_operand and
9533 splittable_symbolic_operand.
9534 (mips_use_anchors_for_symbol_p): New function.
9535 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9536 (mips_split_p): Declare.
9538 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9540 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9541 (mips*-*-linux*): Likewise.
9543 2006-03-16 Roger Sayle <roger@eyesopen.com>
9544 Daniel Speyer <dspeyer@wam.umd.edu>
9547 * tree-dump.c (dump_real): New function.
9548 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9549 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9550 (tree-dump.o): Add $(REAL_H) to the dependencies.
9552 2006-03-16 Roger Sayle <roger@eyesopen.com>
9555 * real.c (real_from_string): If the mantissa is zero, don't bother
9556 parsing the exponent as the result should always be zero.
9558 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9560 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9562 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9564 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9565 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9566 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9567 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9568 ia64_sched_finish_global): New static functions to implement
9569 hooks from gcc_target.sched.
9570 (spec_check_no, max_uid, pending_data_specs): New static variables.
9571 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9572 ia64_spec_check_src_p): New static functions.
9573 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9574 (TARGET_SCHED_ADJUST_COST): Removed.
9575 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9576 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9577 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9578 TARGET_SCHED_GEN_CHECK,
9579 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9580 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9581 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9582 Fixed to handle speculation checks.
9583 (rtx_needs_barrier): Fixed to handle speculative loads and
9585 (ia64_variable_issue): Added code to count speculative loads and their
9587 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9589 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9591 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9593 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9594 (ia64_reorg): Reset stops_p to NULL after it is freed.
9595 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9596 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9597 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9599 (data_speculative, control_speculative, check_load): New attributes.
9600 (mov<mode>_advanced, mov<mode>_speculative,
9601 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9602 zero_extend<mode>di2_speculative,
9603 zero_extend<mode>di2_speculative_advanced): New patterns for
9604 data and control speculative loads.
9605 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9607 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9608 New pattern for data and control speculation checks.
9609 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9610 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9611 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9612 Auxiliary definitions for the patterns.
9613 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9614 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9616 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9618 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9619 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9620 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9621 New resource constraints.
9622 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9624 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9625 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9626 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9627 msched-in-control-spec, msched-ldc, msched-control-ldc,
9628 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9629 msched-prefer-non-control-spec-insns,
9630 msched-count-spec-in-critical-path): New flags to tune speculative
9632 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9633 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9634 msched-in-control-spec, msched-ldc, msched-control-ldc,
9635 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9636 msched-prefer-non-control-spec-insns,
9637 msched-count-spec-in-critical-path): Document new flags.
9639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9641 * target.h (struct spec_info_def): New opaque declaration.
9642 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9643 speculate_insn, needs_block_p, gen_check,
9644 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9645 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9646 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9647 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9648 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9649 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9651 (TARGET_SCHED): Use new macros.
9652 * rtl.h (copy_DEPS_LIST_list): New prototype.
9653 * sched-int.h (struct sched_info): Change signature of new_ready field,
9654 adjust all initializations. New fields: add_remove_insn,
9655 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9656 region_head_or_leaf_p.
9657 (struct spec_info_def): New structure declaration.
9658 (spec_info_t): New typedef.
9659 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9660 recovery_block, orig_pat.
9661 (glat_start, glat_end): New variables declaraions.
9662 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9664 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9665 DETACH_LIFE_INFO, USE_GLAT.
9666 (enum SPEC_SCHED_FLAGS): New enumeration.
9667 (NOTE_NOTE_BB_P): New macro.
9668 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9669 attach_life_info, debug_spec_status, check_reg_live): New functions.
9670 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9671 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9673 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9674 * ddg.c (get_block_head_tail): Adjust all uses.
9675 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9676 (sms_sched_info): Initialize new fields.
9677 (contributes_to_priority): Removed.
9678 * haifa-sched.c (params.h): New include.
9679 (get_block_head_tail): Adjust all uses.
9680 (ISSUE_POINTS): New macro.
9681 (glat_start, glat_end): New global variables.
9682 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9683 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9684 old_last_basic_block, before_recovery, current_sched_info_var,
9685 rgn_n_insns, luid): New static variables.
9686 (insn_cost1): New function. Move logic from insn_cost to here.
9687 (find_insn_reg_weight1): New function. Move logic from
9688 find_insn_reg_weight to here.
9689 (reemit_notes, move_insn, max_issue): Change signature.
9690 (move_insn1): Removed.
9691 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9692 extend_bb): New static functions to support extension of scheduler's
9694 (generate_recovery_code, process_insn_depend_be_in_spec,
9695 begin_speculative_block, add_to_speculative_block,
9696 init_before_recovery, create_recovery_block, create_check_block_twin,
9697 fix_recovery_deps): New static functions to support
9698 generation of recovery code.
9699 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9700 restore_bb_notes, move_block_after_check, move_succs): New static
9701 functions to support ebb scheduling.
9702 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9703 functions to support handling of register live information.
9704 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9705 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9706 add_jump_dependencies): New static functions.
9707 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9708 consistancy checking.
9709 (debug_spec_status): New function to call from debugger.
9710 (priority): Added code to handle speculation checks.
9711 (rank_for_schedule): Added code to distinguish speculative instructions.
9712 (schedule_insn): Added code to handle speculation checks.
9713 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9714 Fixed to handle ebbs.
9715 (move_insn): Added code to handle ebb scheduling.
9716 (max_issue): Added code to use ISSUE_POINTS of instructions.
9717 (choose_ready): Added code to choose between speculative and
9718 non-speculative instructions.
9719 (schedule_block): Added code to handle ebb scheduling and scheduling of
9720 speculative instructions.
9721 (sched_init): Initialize new variables.
9722 (sched_finish): Free new variables. Print statistics.
9723 (try_ready): Added code to handle speculative instructions.
9724 * lists.c (copy_DEPS_LIST_list): New function.
9725 * sched-deps.c (extend_dependency_caches): New function. Move logic
9726 from create_dependency_caches to here.
9727 (get_dep_weak, ds_merge): Make global.
9728 * genattr.c (main): Code to output prototype for
9729 dfa_clear_single_insn_cache.
9730 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9731 (output_dfa_clean_insn_cache_func): Code to output
9732 dfa_clear_single_insn_cache function.
9733 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9735 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9737 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9738 New static variables.
9739 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9740 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9742 (ebb_sched_info): Initialize new fields.
9743 (get_block_head_tail): Adjust all uses.
9744 (compute_jump_reg_dependencies): Fixed to use glat_start.
9745 (schedule_ebb): Code to remove unreachable last block.
9746 (schedule_ebbs): Added code to update register live information.
9747 * sched-rgn.c (region_sched_info): Initialize new fields.
9748 (get_block_head_tail): Adjust all uses.
9749 (last_was_jump): Removed. Adjust users.
9750 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9751 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9752 Implement new hooks.
9753 (check_dead_notes1): New static function.
9754 (struct region): New fields: dont_calc_deps, has_real_ebb.
9755 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9756 (BB_TO_BLOCK): Fixed to handle EBBs.
9757 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9758 (ebb_head): New static variable.
9759 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9760 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9762 (compute_dom_prob_ps): New assertion.
9763 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9764 global_live_at_start.
9765 (init_ready_list): New assertions.
9766 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9767 (new_ready): Add support for BEGIN_CONTROL speculation.
9768 (schedule_insns): Fixed code that updates register live information
9770 (schedule_region): Fixed to handle EBBs.
9771 (init_regions): Use extend_regions and check_dead_notes1.
9772 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9773 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9774 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9775 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9776 TARGET_SCHED_GEN_CHECK,
9777 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9778 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9779 * doc/invoke.texi (max-sched-insn-conflict-delay,
9780 sched-spec-prob-cutoff): Document.
9782 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9784 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9785 inter_tick, queue_index.
9786 (struct sched_info): Change signature of init_ready_list field.
9787 Adjust all initializations.
9788 (RESOLVED_DEPS): New access macro.
9789 (ready_add): Remove prototype.
9790 (try_ready): Add prototype.
9791 * sched-rgn.c (init_ready_list): Use try_ready.
9792 (schedule_region): Initialize
9793 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9794 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9795 (init_ready_list): Use try_ready.
9796 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9797 * lists.c (remove_list_elem): Remove `static'.
9798 (remove_free_INSN_LIST_elem): New function.
9799 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9800 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9801 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9803 (readyp): New variable.
9804 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9805 change_queue_index, resolve_dep): New static functions.
9806 (try_ready): New function. Adjust callers in sched-rgn.c and
9807 sched-ebb.c to use it instead of ready_add.
9808 (clock_var): Move at the begining of file.
9809 (rank_for_schedule): Fix typo.
9810 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9811 (ready_lastpos): Enforce assertion.
9812 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9814 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9815 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9816 (queue_to_ready): Use free_INSN_LIST_list.
9817 (early_queue_to_ready): Fix typo.
9818 (schedule_block): Init readyp. Move init_ready_list call after the
9819 initialization of clock_var. Fix error in rejecting insn by
9820 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9821 that previously corrected INSN_TICKs. Add code for handling
9823 (set_priorities): Fix typo.
9824 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9825 Clarify comment and code that keeps current_sched_info->next_tail
9828 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9830 * sched-rgn.c (extend_rgns): New static function.
9831 (find_rgns): Use it.
9832 (gather_region_statistics, print_region_statistics): New static
9834 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9835 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9837 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9838 Andrey Belevantsev <abel@ispras.ru>
9840 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9841 * lists.c (unused_deps_list): New variable.
9842 (free_list): Add assertions to verify the proper distinguishing
9843 between INSN_LISTs and DEPS_LISTs.
9844 (find_list_elem, remove_list_elem, remove_list_node): New static
9846 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9847 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9848 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9849 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9851 (free_INSN_LIST_node): Likewise.
9852 * modulo-sched.c (current_sched_info): Initialize flags field.
9853 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9854 * rtl.def (DEPS_LIST): Define.
9855 * rtl.h: Declare new functions from lists.c.
9856 * sched-deps.c (spec_dependency_cache): New static variable.
9857 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9858 (add_dependence): Change return type to void. Move the logic to ...
9859 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9860 (delete_all_dependences): Add comment about forward_dependency_cache.
9861 Handle spec_dependency_cache. Handle DEPS_LISTs.
9862 (fixup_sched_groups): Clarify the change of priority of output
9863 and anti dependencies.
9864 (sched_analyze_2): Adjust add_dependence calls to create data
9865 speculative dependence.
9866 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9867 Adjust all callers. Handle DEPS_LISTS.
9868 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9869 presence of speculation.
9870 (init_dependency_caches, free_dependency_caches):
9871 Handle spec_dependency_cache.
9872 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9873 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9874 New static functions.
9875 (add_or_update_back_dep, add_or_update_back_forw_dep,
9876 add_back_forw_dep, delete_back_forw_dep): New functions.
9877 * sched-int.h (ds_t, dw_t): New typedefs.
9878 (struct sched_info): Add new field flags.
9879 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9880 Prototype new sched-deps.c functions.
9881 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9882 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9883 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9884 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9885 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9886 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9888 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9890 * sched-rgn.c (current_sched_info): Initialize flags field.
9891 (schedule_insns): Initialize current_sched_info before the sched_init
9893 * sched-ebb.c (current_sched_info): Initialize flags field.
9894 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9895 Call add_or_update_back_dep instead of add_dependence.
9896 Create control speculative dependencies.
9897 (schedule_insns): Initialize current_sched_info before the sched_init
9900 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9902 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9904 (sh_fallback_frame_state): Likewise.
9906 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9908 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9909 Do switch on default_use_cxa_atexit.
9910 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9911 * config/darwin-crt3.o: New.
9912 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9913 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9914 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9916 * config/rs6000/t-darwin: Move crt2.o building to here.
9917 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9918 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9921 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9923 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9924 from '! xxx' to '!xxx' for coding-style conformance.
9925 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9926 (EXTRA_CONSTRAINT): Likewise.
9927 * config/vax/vax.md (four unnamed insns): Likewise.
9929 2006-03-15 Paul Brook <paul@codesourcery.com>
9931 * config/arm/arm.c (minipool_pad): New.
9932 (add_minipool_forward_ref): Include pool alignment padding in address
9934 (push_minipool_fix): Set minipool_pad.
9935 (minipool_pad): Ditto.
9937 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9939 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9940 instead of GET_CODE() == MEM and REG_P() instead of
9942 (print_operand_address): Likewise.
9943 (vax_address_cost): Likewise.
9944 (vax_rtx_costs): Likewise.
9945 (vax_notice_update_cc): Likewise.
9946 (vax_output_int_add): Likewise.
9947 (INDEX_REGISTER_P): Likewise.
9948 (BASE_REGISTER_P): Likewise.
9949 (nonindexed_address_p): Likewise.
9950 (vax_mode_dependent_address_p): Likewise.
9951 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9952 (PRINT_OPERAND): Likewise.
9953 * config/vax/vax.md (ashlsi3): Likewise.
9954 (ashlsi3): Likewise.
9955 (some more unnamed insns): Likewise.
9957 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9959 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9960 iterator-style macro.
9961 (mark_control_dependent_edges_necessary): Update the use of
9962 EXECUTE_IF_CONTROL_DEPENDENT.
9964 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9966 * config/sh/predicates.md (cache_address_operand): Special.
9967 (ua_address_operand): Likewise.
9969 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9971 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9973 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9975 2006-03-15 Andreas Schwab <schwab@suse.de>
9977 * gensupport.c (identify_predicable_attribute): Don't free p_false
9978 when it is still in use.
9980 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9982 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9983 the default setting here.
9985 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9987 * tree-pass.h (pass_cfg): Remove.
9988 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9989 * passes.c (pass_cfg): Don't run it.
9991 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9993 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9994 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9996 (stack_regs_mentioned): Update the uses of
9997 stack_regs_mentioned_data. Don't access the array beyond its
9999 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10000 Don't include gt-reg-stack.h.
10002 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10003 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10005 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10007 PR middle-end/26684
10008 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10011 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10013 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10015 2006-03-14 Richard Guenther <rguenther@suse.de>
10017 PR tree-optimization/26672
10018 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10021 2006-03-14 Richard Guenther <rguenther@suse.de>
10023 PR tree-optimization/26667
10024 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10025 node for the callees. Always allow inlining if it will shrink
10028 2006-03-14 Richard Guenther <rguenther@suse.de>
10030 PR middle-end/26659
10031 * builtins.c (get_pointer_alignment): Prefer alignment
10032 information from decls over that from types.
10034 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10037 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10039 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10041 * config/rs6000/rs6000.opt (mdlmzb): New option.
10042 (msched-prolog, msched-epilog): Use Var not Mask.
10043 * doc/invoke.texi (-mdlmzb): Document.
10044 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10046 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10047 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10049 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10051 PR rtl-optimization/25739
10052 * bt-load.c (augment_live_range): Free tos pointer.
10054 * gensupport.c (identify_predicable_attribute): Free
10056 * gcov.c (create_file_names): Free name pointer.
10058 2006-03-13 Roger Sayle <roger@eyesopen.com>
10060 PR middle-end/26557
10061 * stmt.c (emit_case_nodes): Handle the case where the index is a
10062 CONST_INT, where the comparison mode is specified by the index type.
10064 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10066 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10069 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10071 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10072 (*branch_fp_inverted): Likewise.
10074 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10076 PR middle-end/25989
10077 * omp-low.c (expand_omp_for_generic): Mark istart0
10078 and iend0 as addressable.
10080 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10082 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10084 2006-03-13 Jeff Law <law@redhat.com>
10086 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10087 virtual operands are interesting.
10088 (vrp_visit_stmt): Corresponding changes.
10090 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10092 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10094 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10095 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10096 * config/bfin/crti.S: Use it instead of __PIC__.
10097 * config/bfin/crtn.S: Likewise.
10099 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10100 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10102 Lose 'G' modifier for call operand.
10103 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10104 recognize 'G' modifier.
10106 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10108 PR middle-end/18859
10109 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10110 * stmt.c (expand_case): Likewise.
10112 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10114 PR rtl-optimization/26254
10115 * loop-invariant.c (seq_insns_valid_p): New function.
10116 (move_invariant_reg): Only emit new code if it is valid.
10118 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10120 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10122 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10123 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10124 (commit_one_edge_insertion): Do not look for loop notes.
10126 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10128 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10129 flag_test_coverage out of loop.
10131 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10133 * final.c (shorten_branches): Remove outdated comment, and turn
10134 the if branch that guards it to continue.
10136 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10138 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10139 * cfgloop.h (struct loop): Remove unused fields.
10141 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10143 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10144 (-dL, -fdump-rtl-loop2): Update the dump file names
10146 * doc/invoke.texi: Update dump file names.
10148 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10150 * predict.c (estimate_probability): Remove.
10151 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10152 * basic-block.h (estimate_probability): Remove prototype.
10153 * passes.c (finish_optimization_passes): Dump branch prediction or
10154 profiling heuristics to the .profile tree dump.
10155 (init_optimization_passes): Unqueue pass_branch_prob.
10157 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10159 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10161 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10162 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10164 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10166 * function.h (frame_offset_overflow): Declare.
10167 * function.c (frame_offset_overflow): New function.
10168 (assign_stack_local_1): Call it to detect that the offset overflows.
10169 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10171 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10173 * config/sh/sh.c: Include alloc-pool.h.
10174 (label_ref_list_pool): New alloc pool.
10175 (label_ref_list_t): New type for lists of labels.
10176 (struct pool_node): Make wend a label_ref_list_t.
10177 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10179 (dump_table): Likewise.
10180 (sh_reorg): Set up the alloc pool before using add_constant and
10181 dump_table, and destroy it when finishing.
10183 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10185 * config/mips/mips.c: Remove redundant comment.
10187 2006-03-10 Jason Merrill <jason@redhat.com>
10190 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10191 the target was declared 'register'.
10193 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10195 * genpreds.c (write_insn_constraint_len): Change definition of
10196 insn_constraint_len to return size_t to match the declaration.
10198 2006-03-10 DJ Delorie <dj@redhat.com>
10200 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10202 (m32c_expand_insv): Fix test for an AND mask.
10204 2006-03-10 Richard Guenther <rguenther@suse.de>
10206 PR middle-end/26565
10207 * builtins.c (get_pointer_alignment): Handle component
10208 references for field alignment.
10210 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10212 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10213 when building with libgloss.
10214 (sh*elf): Implement --without-fp option.
10215 (sh64-superh-linux*): Don't multilib.
10217 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10219 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10221 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10223 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10224 Set it when one of the replacement functions returned true.
10225 Return TODO_cleanup_cfg if cfgchanged is true.
10226 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10228 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10230 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10231 instead of gen_lowpart.
10233 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10235 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10237 (mips_output_order_conditional_branch): Declare.
10238 * config/mips/mips.h (MIPS_BRANCH): New macro.
10239 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10240 for the comparison. Use gen_condjump.
10241 (mips_output_conditional_branch): Rework interface to take the
10242 asm templates for a direct branch and the inverse of a direct branch.
10243 (mips_output_order_conditional_branch): New function.
10244 (mips_builtin_branch_and_move): New function.
10245 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10246 branch condition. Use gen_single_cc as the condition for
10247 __builtin_mips_upper_* or __builtin_mips_lower_*.
10248 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10249 Use VOIDmode for the branch condition.
10250 * config/mips/predicates.md (order_operator): New predicate.
10251 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10252 (branch_fp): Rename to...
10253 (*branch_fp): ...this. Remove mode from comparison operator.
10254 Use new mips_output_conditional_branch interface.
10255 (branch_fp_inverted): Rename to...
10256 (*branch_fp_inverted): ...this and update as for *branch_fp.
10257 (*branch_zero<mode>): Rename to...
10258 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10259 Use mips_output_order_conditional_branch. Only accept ordered
10261 (*branch_zero<mode>_inverted): Rename to...
10262 (*branch_order<mode>_inverted): ...this and update as for
10263 *branch_order<mode>.
10264 (*branch_equality<mode>): Accept zero as the second operand to
10265 the equality operator. Use the new mips_output_conditional_branch
10267 (*branch_equality<mode>_inverted): Likewise.
10268 (condjump): New expander.
10269 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10271 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10272 (bc1any2t, bc1any2f): Likewise.
10273 (single_cc): New expander.
10274 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10276 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10278 * doc/md.texi: Update documentation of MIPS constraints.
10279 * config/mips/constraints.md: New file.
10280 * config/mips/mips.md: Include it.
10281 * config/mips/mips.c (mips_char_to_class): Delete.
10282 (override_options): Don't initialize mips_char_to_class.
10283 * config/mips/mips.h (mips_char_to_class): Delete.
10284 (REG_CLASS_FROM_LETTER): Delete.
10285 (CONST_OK_FOR_LETTER_P): Delete.
10286 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10287 (EXTRA_CONSTRAINT_Y): Delete.
10288 (EXTRA_CONSTRAINT_STR): Delete.
10289 (CONSTRAINT_LEN): Delete.
10290 (EXTRA_MEMORY_CONSTRAINT): Delete.
10292 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10294 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10295 original fn's eh regions.
10297 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10299 * fold-const.c (build_range_check): Make sure to use a valid type to
10300 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10303 (range_predecessor): New static function.
10304 (range_successor): Likewise.
10305 (merge_ranges): Use them to compute predecessors and successors of
10308 2006-03-09 Roger Sayle <roger@eyesopen.com>
10310 PR middle-end/26561
10311 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10312 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10314 2006-03-08 DJ Delorie <dj@redhat.com>
10316 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10317 (addpsi3): Expand to include memory operands. Remove
10318 reload-specific splits.
10319 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10320 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10321 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10322 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10323 (shift1_qi, shift1_hi, insv): New.
10324 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10325 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10326 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10328 * config/m32c/m32c-protos.h: Update as needed.
10329 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10330 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10331 Fail for unrecognized R* constraints.
10332 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10333 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10334 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10336 (m32c_init_libfuncs): New.
10337 (m32c_legitimate_address_p): Add debug wrapper.
10338 (m32c_rtx_costs): New.
10339 (m32c_address_cost): New.
10340 (conversions): Add 'B' prefix.
10341 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10342 operands, or word regnames for QI operands. 'B' prints bit
10344 (m32c_expand_setmemhi): New.
10345 (m32c_expand_movmemhi): New.
10346 (m32c_expand_movstr): New.
10347 (m32c_expand_cmpstr): New.
10348 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10349 (m32c_expand_neg_mulpsi3): Handle non-ints.
10350 (m32c_cmp_flg_0): New.
10351 (m32c_expand_movcc): New.
10352 (m32c_expand_insv): New.
10353 (m32c_scc_pattern): New.
10354 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10355 a0/a1 out of SIregs.
10356 (STORE_FLAG_VALUE): New.
10357 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10360 * config/m32c/mov.md: Make constraints more liberal.
10361 (zero_extendqihi2): Optimize r0/r1 case.
10362 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10363 * config/m32c/predicates.md (m32c_any_operand): New.
10364 (m32c_nonimmediate_operand): New.
10365 (m32c_hl_operand): New.
10366 (m32c_r3_operand): New.
10369 (memsym_operand): New.
10370 (memimmed_operand): New.
10371 (a_qi_operand): New.
10372 (m32c_eqne_operator): New.
10373 (m32c_1bit8_operand): New.
10374 (m32c_1bit16_operand): New.
10375 (m32c_1mask8_operand): New.
10376 (m32c_1mask16_operand): New.
10377 * config/m32c/blkmov.md: New file.
10378 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10380 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10382 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10383 unsigned to fix signed/unsigned comparison issue in
10384 DWARF2_FRAME_REG_OUT.
10385 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10386 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10388 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10389 of ptr into the ENABLE_CHECKING section.
10391 2006-03-08 Jeff Law <law@redhat.com>
10393 * tree-vrp.c (infer_value_range): Only count pointer uses
10394 and dereferences if -fdelete-null-pointer-checks is enabled.
10396 * tree-vrp.c (find_assert_locations): Infer value ranges for
10397 single use pointers, but do not create ASSERT_EXPRs for them.
10398 When a non-null range is inferred for a pointer, backwards
10399 propagate that range to other equivalent pointers through the
10402 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10405 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10406 language hook targets.
10407 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10408 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10409 if language hook targets were missing.
10411 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10413 * tree-ssa-opfinalize.h: Removed.
10414 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10416 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10417 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10418 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10419 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10420 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10421 finalize_ssa_v_must_def_ops): New.
10423 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10425 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10426 block as parameter.
10428 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10430 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10432 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10433 addresses with offsets; reorganize.
10435 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10436 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10437 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10439 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10442 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10444 2006-03-08 Ben Elliston <bje@au.ibm.com>
10446 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10448 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10451 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10454 2006-03-07 Richard Guenther <rguenther@suse.de>
10456 PR tree-optimization/26587
10457 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10459 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10461 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10463 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10465 * hooks.c (hook_bool_mode_rtx_true): New function.
10466 * hooks.h (hook_bool_mode_rtx_true): Declare.
10467 * toplev.c (compile_file): Call output_shared_constant_pool.
10468 * varasm.c (shared_constant_pool): New variable.
10469 (assemble_start_function, assemble_end_function): Remove arguments
10470 from call to output_constant_pool.
10471 (create_constant_pool): New function, split out from...
10472 (init_varasm_status): ...here.
10473 (force_const_mem): Choose between the shared and per-function constant
10474 pools. Set current_function_uses_const_pool when reusing old entries
10475 as well as when creating new ones.
10476 (mark_constant): Ignore data argument.
10477 (mark_constants): Remove pool argument.
10478 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10479 to decide whether the function uses a constant pool.
10480 (output_constant_pool_contents): New function, split out from...
10481 (output_constant_pool): ...here.
10482 (output_shared_constant_pool): New function.
10483 (init_varasm_once): Initialize shared_constant_pool.
10484 * output.h (output_constant_pool): Delete.
10485 (output_shared_constant_pool): Declare.
10486 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10487 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10489 2006-03-06 Nick Clifton <nickc@redhat.com>
10491 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10492 flag_strength_reduce.
10494 2006-03-06 Ben Elliston <bje@au.ibm.com>
10496 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10497 x86_64-*-linux* configurations.
10499 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10500 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10502 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10504 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10506 * basic-block.h: Remove the extern for
10507 rediscover_loops_after_threading.
10509 * cfgloop.c (cancel_loop): Make it static.
10510 * cfgloop.h: Remove the prototype for cancel_loop.
10512 * flow.c (recompute_reg_usage): Make it static.
10513 * rtl.h: Remove the prototype for recompute_reg_usage.
10515 * function.c (use_return_register): Make it static.
10516 * function.h: Remove the prototype.
10518 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10520 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10522 * recog.h: Remove the prototype for
10523 validate_change_maybe_volatile.
10525 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10527 * rtlanal.c (replace_reg): Remove.
10528 * rtl.h: Remove the prototype for replace_reg.
10530 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10532 * regclass.c (reg_scan_update): Remove.
10533 (reg_scan_mark_refs): Remove the last argument.
10534 * rtl.h: Remove the prototype for reg_scan_update.
10536 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10538 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10539 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10540 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10541 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10542 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10543 loop-invariant.c, omp-low.c, opts.c, passes.c,
10544 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10545 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10546 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10547 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10548 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10549 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10553 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10554 * dwarf2out.h: Remove the prototype for
10555 dwarf2out_add_library_unit_info.
10557 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10559 * tree.c (add_var_to_bind_expr): Remove.
10560 * tree.h: Remove the prototype for add_var_to_bind_expr.
10562 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10564 * regclass.c (n_non_fixed_regs): Remove.
10565 (init_reg_sets_1, globalize_reg): Remove all uses of
10567 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10569 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10571 * rtlanal.c (insns_safe_to_move_p): Remove.
10572 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10574 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10576 * expmed.c (expand_mult_add): Remove.
10577 * expr.h: Remove the prototype for expand_mult_add.
10579 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10581 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10582 and REG_SAVED_VAL_EXP constants.
10583 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10584 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10585 Handle regs stored by value.
10586 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10587 (execute_cfa_program): Handle DW_CFA_val_offset,
10588 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10589 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10590 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10591 (uw_install_context_1): Handle target regs stored by value.
10593 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10595 * tree-sra.c (tree_sra): Return todoflags;
10596 (generate_one_element): Set TODO_update_smt_usage if needed.
10597 (pass_sra): Remove TODO_update_smt_usage.
10598 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10600 (tree_ssa_forward_propagate_single_use_vars): Return
10601 TODO_update_smt_usage if we need to update SMT usage.
10602 (pass_forwprop): Remove TODO_update_smt_usage.
10604 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10606 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10607 (correct_use_link): Remove reference to get_stmt_operands.
10608 (update_stmt_operands): Likewise.
10609 (get_modify_expr_operands): New function factored out of
10610 parse_ssa_operands and get_expr_operands.
10611 Try to create V_MUST_DEFs for LHS by default.
10612 (get_expr_operands) <case MODIFY_EXPR>: Call
10613 get_modify_expr_operands.
10614 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10615 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10616 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10617 get_modify_expr_operands.
10619 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10621 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10622 * tree-flow.h: Remove the prototype for
10623 referenced_var_lookup_if_exists.
10625 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10627 PR rtl-optimization/26345
10629 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10631 2006-03-03 Roger Sayle <roger@eyesopen.com>
10633 PR tree-optimization/26524
10634 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10635 fold_convert to create a constant of the appropriate type.
10637 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10639 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10640 SYMBOL_REF_IN_BLOCK_P.
10641 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10642 of SYMBOL_FLAG_IN_BLOCK.
10643 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10644 instead of SYMBOL_REF_IN_BLOCK_P.
10645 * explow.c (use_anchored_address): Likewise.
10646 * rtl.c (rtx_size): Likewise.
10647 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10648 instead of SYMBOL_FLAG_IN_BLOCK.
10649 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10650 SYMBOL_REF_IN_BLOCK_P.
10651 (assemble_variable): Likewise.
10652 (output_constant_def_contents): Likewise.
10653 (output_constant_pool): Likewise.
10654 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10655 instead of SYMBOL_FLAG_IN_BLOCK.
10656 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10657 SYMBOL_REF_IN_BLOCK_P.
10658 (SYMBOL_REF_BLOCK): Likewise.
10659 (SYMBOL_REF_OFFSET): Likewise.
10660 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10661 SYMBOL_REF_IN_BLOCK_P.
10662 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10663 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10664 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10665 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10667 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10669 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10671 2006-03-02 Roger Sayle <roger@eyesopen.com>
10673 * simplify-rtx.c (simplify_unary_operation): When simplifying
10674 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10675 that we perform the right shift in the appropriate mode, and
10676 then extend or truncate the result to requested mode.
10678 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10680 * gengtype.c (main): Handle double_int type.
10681 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10682 * double-int.c: New file.
10683 * double-int.h: New file.
10684 * system.h: Include doubleint.h.
10685 * Makefile.in (SYSTEM_H): Include double-int.h.
10686 (double-int.o): Add.
10688 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10691 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10694 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10696 * tree-vrp.c (remove_range_assertions): Do not update statements
10699 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10701 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10703 * gcse.c (rest_of_handle_gcse): Ditto.
10704 * except.c (gate_handle_eh): Ditto.
10705 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10706 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10708 2006-03-02 Eric Christopher <echristo@apple.com>
10710 * config/i386/i386.c (machopic_output_stub): Add indirection to
10713 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10717 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10719 Sun Niagara specific optimizations.
10720 * config.gcc: Recognize niagara as target.
10721 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10722 (TARGET_CPU_niagara): Define.
10723 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10724 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10725 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10726 (ASM_CPU_SPEC): Likewise.
10727 (PROCESSOR_NIAGARA): New enum entry.
10728 (REGISTER_MOVE_COST): Handle Niagara.
10729 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10730 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10731 (sparc_override_options): Recognize "niagara", set appropriate
10732 default MASK_* values for it, and align functions to 32-bytes
10733 by default just like ULTRASPARC/ULTRASPARC3.
10734 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10735 (sparc64_initialize_trampoline): Likewise.
10736 (sparc_use_sched_lookahead): Use zero for niagara.
10737 (sparc_issue_rate): Use one for niagara.
10738 * config/sparc/niagara.md: New file.
10739 * config/sparc/sparc.md: Include it.
10740 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10741 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10742 when default cpu is niagara.
10743 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10744 (ASM_CPU_SPEC): Likewise.
10745 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10746 when default cpu is niagara.
10747 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10748 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10749 just like v9/ultrasparc/ultrasparc3.
10750 * doc/invoke.texi: Add documentation for "niagara" and improve
10751 existing documentation for ultrasparc variants.
10753 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10755 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10757 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10759 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10760 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10761 and say that only one is needed.
10762 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10763 * target.h (have_switchable_bss_sections): New hook.
10764 * explow.c (use_anchored_address): Check that the symbol is in a block.
10765 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10766 (bss_noswitch_section): New variables.
10767 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10768 (get_noswitch_section): New function.
10769 (get_block_for_section): Allow SECT to be null.
10770 (unlikely_text_section_p): Use SECTION_STYLE.
10771 (bss_initializer_p): New function.
10772 (get_variable_section): Move earlier in file. Take a new argument,
10773 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10774 Return one of the new *_sections in such cases.
10775 (get_block_for_decl): New function, extracting some logic from
10776 use_blocks_for_decl_p.
10777 (change_symbol_section): Remove in favor of...
10778 (change_symbol_block): ...this new function.
10779 (use_blocks_for_decl_p): Remove checks now performed by
10780 get_block_for_decl.
10781 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10782 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10783 (emit_local, emit_bss, emit_common): ...these new functions.
10784 Return true if the alignment was honored.
10785 (emit_tls_common): New function.
10786 (asm_emit_uninitialised): Delete.
10787 (assemble_variable_noswitch): New function, split out from...
10788 (assemble_variable): ...here. Don't make decisions about common
10789 variables here. Globalize all public decls that go into non-common
10790 sections. Check whether SYMBOL_REF_BLOCK is null.
10791 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10792 (output_constant_pool): Likewise.
10793 (init_varasm_once): Initialize the new section variables.
10794 (have_global_bss_p): New function.
10795 (categorize_decl_for_section): Use bss_initializer_p.
10796 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10797 (place_block_symbol): Assert that the symbol must be in a block.
10798 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10799 (TARGET_INITIALIZER): Include it.
10800 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10801 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10802 (SECTION_MACH_DEP): Bump by two.
10803 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10804 (unnamed_section): Mention SECTION_UNNAMED in comment.
10805 (named_section): Likewise SECTION_NAMED.
10806 (noswitch_section_callback): New type.
10807 (noswitch_section): New structure.
10808 (section): Add a noswitch_section alternative.
10809 (SECTION_STYLE): New macro.
10810 (tls_comm_section, comm_section, lcomm_section): Declare.
10811 (bss_noswitch_section, have_global_bss_p): Declare.
10812 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10813 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10815 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10816 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10819 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10821 * tree-vrp.c (execute_vrp): Return value.
10822 * regrename.c (rest_of_handle_regrename): Ditto.
10823 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10824 * tree-complex.c (tree_lower_complex): Ditto.
10825 (tree_lower_complex_O0): Ditto.
10826 * tracer.c (rest_of_handle_tracer): Ditto.
10827 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10828 * postreload.c (rest_of_handle_postreload): Ditto.
10829 * tree-tailcall.c (execute_tail_recursion): Ditto.
10830 (execute_tail_calls): Ditto.
10831 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10832 * tree.h (init_function_for_compilation): Ditto.
10833 * ipa-cp.c (ipcp_driver): Ditto.
10834 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10835 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10836 * final.c (compute_alignments): Ditto.
10837 (rest_of_handle_final): Ditto.
10838 (rest_of_handle_shorten_branches): Ditto.
10839 (rest_of_clean_state): Ditto.
10840 * omp-low.c (execute_expand_omp): Ditto.
10841 (execute_lower_omp): Ditto.
10842 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10843 * ipa-reference.c (static_execute): Ditto.
10844 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10845 * reorg.c (rest_of_handle_delay_slots): Ditto.
10846 (rest_of_handle_machine_reorg): Ditto.
10847 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10848 * flow.c (recompute_reg_usage): Ditto.
10849 (rest_of_handle_remove_death_notes): Ditto.
10850 (rest_of_handle_life): Ditto.
10851 (rest_of_handle_flow2): Ditto.
10852 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10853 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10854 (do_ssa_store_ccp): Ditto.
10855 (execute_fold_all_builtins): Ditto.
10856 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10857 * modulo-sched.c (rest_of_handle_sms): Ditto.
10858 * ipa-pure-const.c (static_execute): Ditto.
10859 * cse.c (rest_of_handle_cse): Ditto.
10860 (rest_of_handle_cse2): Ditto.
10861 * web.c (rest_of_handle_web): Ditto.
10862 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10863 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10864 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10865 * tree-nrv.c (tree_nrv): Ditto.
10866 (execute_return_slot_opt): Ditto.
10867 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10868 (create_structure_vars): Ditto.
10869 * loop-init.c (rtl_loop_init): Ditto.
10870 (rtl_loop_done): Ditto.
10871 (rtl_move_loop_invariants): Ditto.
10872 (rtl_unswitch): Ditto.
10873 (rtl_unroll_and_peel_loops): Ditto.
10874 (rtl_doloop): Ditto.
10875 * gimple-low.c (lower_function_body): Ditto.
10876 (mark_used_blocks): Ditto.
10877 * tree-ssa-sink.c (execute_sink_code): Ditto.
10878 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10879 (cgraph_early_inlining): Ditto.
10880 * global.c (rest_of_handle_global_alloc): Ditto.
10881 * jump.c (cleanup_barriers): Ditto.
10882 (purge_line_number_notes): Ditto.
10883 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10884 (rest_of_handle_if_after_reload): Ditto.
10885 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10886 (tree_ssa_loop_im): Ditto.
10887 (tree_ssa_loop_unswitch): Ditto.
10888 (tree_vectorize): Ditto.
10889 (tree_linear_transform): Ditto.
10890 (tree_ssa_loop_ivcanon): Ditto.
10891 (tree_ssa_empty_loop): Ditto.
10892 (tree_ssa_loop_bounds): Ditto.
10893 (tree_complete_unroll): Ditto.
10894 (tree_ssa_loop_prefetch): Ditto.
10895 (tree_ssa_loop_ivopts): Ditto.
10896 (tree_ssa_loop_done): Ditto.
10897 * predict.c (tree_estimate_probability): Ditto.
10898 * recog.c (split_all_insns_noflow): Ditto.
10899 (rest_of_handle_peephole2): Ditto.
10900 (rest_of_handle_split_all_insns): Ditto.
10901 * tree-eh.c (lower_eh_constructs): Ditto.
10902 * regmove.c (rest_of_handle_regmove): Ditto.
10903 (rest_of_handle_stack_adjustments): Ditto.
10904 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10905 * function.c (instantiate_virtual_regs): Ditto.
10906 (init_function_for_compilation): Ditto.
10907 (rest_of_handle_check_leaf_regs): Ditto.
10908 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10909 (rest_of_handle_gcse): Ditto.
10910 * ipa-type-escape.c (type_escape_execute): Ditto.
10911 * alias.c (rest_of_handle_cfg): Ditto.
10912 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10913 * profile.c (rest_of_handle_branch_prob): Ditto.
10914 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10915 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10916 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10917 * tree-dfa.c (find_referenced_vars): Ditto.
10918 * except.c (set_nothrow_function_flags): Ditto.
10919 (convert_to_eh_region_ranges): Ditto.
10920 (rest_of_handle_eh): Ditto.
10921 * emit-rtl.c (unshare_all_rtl): Ditto.
10922 (remove_unnecessary_notes): Ditto.
10923 * except.h (set_nothrow_function_flags): Ditto.
10924 (convert_to_eh_region_ranges): Ditto.
10925 * cfgexpand.c (tree_expand_cfg): Ditto.
10926 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10927 * tree-ssa-pre.c (do_pre): Ditto.
10928 (execute_fre): Ditto.
10929 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10930 (rest_of_handle_jump2): Ditto.
10931 * tree-sra.c (tree_sra): Ditto.
10932 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10933 (execute_mudflap_function_decls): Ditto.
10934 * tree-ssa-copy.c (do_copy_prop): Ditto.
10935 (do_store_copy_prop): Ditto.
10936 * ipa-prop.h (ipcp_driver): Ditto.
10937 * cfglayout.c (insn_locators_initialize): Ditto.
10938 * tree-ssa-forwprop.c
10939 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10940 * cfglayout.h (insn_locators_initialize): Ditto.
10941 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10942 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10943 (execute_late_warn_uninitialized): Ditto.
10944 * rtl.h (cleanup_barriers): Ditto.
10945 (split_all_insns_noflow): Ditto.
10946 (purge_line_number_notes): Ditto.
10947 (unshare_all_rtl): Ditto.
10948 (remove_unnecessary_notes): Ditto.
10949 (recompute_reg_usage): Ditto.
10950 (variable_tracking_main): Ditto.
10951 * integrate.c (emit_initial_value_sets): Ditto.
10952 * integrate.h (emit_initial_value_sets): Ditto.
10953 * tree-optimize.c (execute_free_datastructures): Ditto
10954 (execute_free_cfg_annotations): Ditto.
10955 (execute_fixup_cfg): Ditto.
10956 (execute_cleanup_cfg_pre_ipa): Ditto.
10957 (execute_cleanup_cfg_post_optimizing): Ditto.
10958 (execute_init_datastructures): Ditto.
10959 * tree-object-size.c (compute_object_sizes): Ditto.
10960 * combine.c (rest_of_handle_combine): Ditto.
10961 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10962 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10963 (rest_of_handle_reorder_blocks): Ditto.
10964 (rest_of_handle_partition_blocks): Ditto.
10965 * var-tracking.c (variable_tracking_main): Ditto.
10966 * tree-profile.c (tree_profiling): Ditto.
10967 * tree-vect-generic.c (expand_vector_operations): Ditto.
10968 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10969 * sched-rgn.c (rest_of_handle_sched): Ditto.
10970 (rest_of_handle_sched2): Ditto.
10971 * basic-block.h (free_bb_insn): Ditto.
10972 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10973 * tree-cfg.c (execute_build_cfg): Ditto.
10974 (remove_useless_stmts): Ditto.
10975 (split_critical_edges): Ditto.
10976 (execute_warn_function_return): Ditto.
10977 (execute_warn_function_noreturn): Ditto.
10978 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10979 * cfgrtl.c (free_bb_for_insn): Ditto.
10980 * passes.c (execute_one_pass): Run additional
10981 todos returned by execute function.
10982 * tree-pass.h (struct tree_opt_pass): Make execute
10985 2006-03-02 Richard Guenther <rguenther@suse.de>
10987 * tree-ssa-alias.c (find_used_portions): Consider taking
10988 the address as making the variable not write-only.
10990 2006-03-02 Nick Clifton <nickc@redhat.com>
10992 * config.gcc (default_use_cxa_atexit): Extend the description of
10993 this configure variable. Set its default value to "yes" for
10994 Linux, NetBSD and ELF targets on the assumption that they will
10995 use C libraries with the __cxa_atexit function.
10997 2006-03-02 Ben Elliston <bje@au.ibm.com>
10999 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11000 parameter as unused to suppress a build warning.
11002 2006-03-02 Ben Elliston <bje@au.ibm.com>
11004 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11007 2006-03-01 Roger Sayle <roger@eyesopen.com>
11010 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11011 declared name, the weak reference name, and the typeof name.
11012 (__gthrw): Avoid expanding the declared name suffix.
11013 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11015 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11017 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11019 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11020 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11021 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11022 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11023 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11024 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11025 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11026 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11027 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11028 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11029 (DW_END_default, DW_END_big, DW_END_little): New.
11030 (DW_END_lo_user, DW_END_hi_user): Define.
11031 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11032 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11033 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11036 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11038 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11040 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11042 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11044 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11046 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11047 to 'symbol_mem_tag'.
11049 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11052 2006-03-01 Roger Sayle <roger@eyesopen.com>
11054 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11056 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11059 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11060 MACHO_DYNAMIC_NO_PIC_P.
11061 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11063 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11066 * config/darwin-protos.h (darwin_asm_output_anchor):
11068 * config/darwin-sections.def (cstring_section):
11069 Add SECTION_MERGE to the flags.
11070 (literal4_section): Likewise.
11071 (literal8_section): Likewise.
11072 (objc_selector_refs_section): Likewise.
11073 (objc_cls_refs_section): Likewise.
11074 * config/darwin.c (darwin_asm_output_anchor): New
11076 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11078 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11080 Fix PR tree-optimization/26443
11081 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11082 to todo and PROP_tmt_usage to properties_destroyed.
11083 * tree-ssa-ccp.c (pass_ccp): Ditto.
11084 (pass_store_ccp): Ditto.
11085 * tree-ssa-dom.c (pass_dominator): Ditto.
11087 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11089 * tree-ssa-operands.c: Cleanup whitespace.
11090 (get_asm_expr_operands): Move before first invocation.
11091 (get_indirect_ref_operands): Likewise.
11092 (get_tmr_operands): Likewise.
11093 (get_call_expr_operands): Likewise.
11094 (append_def): Likewise.
11095 (append_use): Likewise.
11096 (append_v_may_def): Likewise.
11097 (append_v_must_def): Likewise.
11098 (add_call_clobber_ops): Likewise.
11099 (add_call_read_ops): Likewise.
11100 (add_stmt_operand): Likewise.
11101 (add_virtual_operand): Likewise.
11102 (build_ssa_operands): Likewise.
11104 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11106 PR middle-end/26022
11108 PR middle-end/24437
11109 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11110 with a call expr to ...
11111 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11113 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11115 * tree-vrp.c (extract_range_from_assert): Remove special
11116 handling for types with super-types.
11118 2006-03-01 Ben Elliston <bje@au.ibm.com>
11120 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11121 and powerpc64-*-linux* configurations.
11122 * config/t-dfprules: New file.
11124 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11125 Compile dfp-bit.c from the source directory using -DWIDTH and
11126 $DFP_CFLAGS to control the compilation of that file, rather than
11127 generating width-specific versions in the build directory.
11128 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11129 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11131 2006-02-28 Zack Weinberg <zackw@panix.com>
11133 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11136 2006-02-28 Eric Christopher <echristo@apple.com>
11138 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11139 Set up IN_LIBGCC definition of TARGET_64BIT.
11140 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11142 2006-02-28 Roger Sayle <roger@eyesopen.com>
11144 PR middle-end/14752
11145 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11146 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11147 cases via the construction of "expr != 0".
11149 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11151 * alias.c (alias_invariant, alias_invariant_size): Remove.
11152 (record_base_value): Remove.
11153 (memrefs_conflict_p): Don't look at alias_invariant.
11154 (end_alias_analysis): Don't free it.
11155 * alias.h (record_base_value): Remove prototype.
11157 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11158 Adam Nemet <anemet@caviumnetworks.com>
11160 * rtl.h (truncated_to_mode): Declare it.
11161 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11162 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11163 (RTL_HOOKS_INITIALIZER): Include it.
11164 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11165 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11166 reg_truncated_to_mode.
11167 * rtlanal.c (truncated_to_mode): Define it.
11168 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11170 2006-02-28 Jeff Law <law@redhat.com>
11172 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11173 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11174 the range allowed by TYPE_PRECISION.
11176 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11178 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11180 PR tree-optimization/26419
11181 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11184 2006-02-27 Zack Weinberg <zackw@panix.com>
11186 * doc/md.texi: Fix typo in previous change.
11188 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11192 2006-02-27 Zack Weinberg <zackw@panix.com>
11194 * rtl.def (define_constraint, define_register_constraint)
11195 (define_memory_constraint, define_address_constraint): New MD forms.
11196 * gensupport.c (process_rtx): Put define_constraint etc on the
11198 * genpreds.c (process_define_predicate): Adjust comment. Validate
11199 the name, and call validate_exp to validate the expression.
11200 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11201 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11202 all callers changed.
11203 (validate_exp, needs_variable, struct constraint_data)
11204 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11205 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11206 (const_dbl_constraints, constraint_max_namelen)
11207 (have_register_constraints, have_memory_constraints)
11208 (have_address_constraints, have_address_constraints)
11209 (have_extra_constraints, have_const_int_constraints)
11210 (have_const_dbl_constraints, mangle, add_constraint)
11211 (process_define_constraint, process_define_register_constraint)
11212 (write_enum_constraint_num, write_lookup_constraint)
11213 (write_insn_constraint_len, write_regclass_for_constraint)
11214 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11215 (write_insn_extra_memory_constraint)
11216 (write_insn_extra_address_constraint)
11217 (write_satisfies_constraint_fns): New.
11218 (write_tm_preds_h): If we have new-style constraint definitions,
11219 prototype the functions generated from them, and define the
11220 old constraint interface (still used by generic code) in terms of
11222 (write_insn_preds_c): If we have new-style constraint definitions,
11223 generate all relevant functions from those definitions.
11224 (main): Handle define_constraint etc.
11225 * genoutput.c (struct constraint_data, indep_constraints)
11226 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11227 (mdep_constraint_len): New data structures and functions, defined
11228 #ifdef USE_MD_CONSTRAINTS.
11229 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11230 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11231 use new logic to validate operand constraints against constraint
11233 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11235 * defaults.h: If none of the old-style constraint macros are
11236 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11237 old-style macros; and poison REG_CLASS_FROM_LETTER,
11238 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11240 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11241 * doc/md.texi: Document new constraint-definition mechanism and the
11242 C interface it provides. Remove references to old mechanism
11243 elsewhere in the document.
11244 (Machine Constraints): Use pathnames relative to gcc directory,
11245 i.e. config/ARCH/FILE. Change i386 section to refer to
11246 config/i386/predicates.md; update that section to match docstrings.
11247 * doc/tm.texi: Move all documentation of the old constraint-
11248 definition macros to their own section, clearly mark as obsolete.
11250 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11251 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11253 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11254 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11255 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11256 constraint strings.
11257 (splits and peepholes): Use satisfies_constraint_*.
11258 * config/i386/i386.c (memory_address_length)
11259 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11261 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11263 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11264 scalar operation to be put back into the loop.
11266 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11269 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11270 (extract_cie_info): Handle S flag in augmentation string.
11271 (execute_cfa_program): If context->signal_frame, execute also
11272 fs->pc == context->ra instructions.
11273 (uw_frame_state_for): If context->signal_frame, don't subtract one
11274 from context->ra to find FDE.
11275 (uw_update_context_1): Set context->signal_frame to
11277 (_Unwind_GetIPInfo): New function.
11278 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11279 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11281 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11282 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11283 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11284 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11285 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11286 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11287 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11288 x86_64_fallback_frame_state): Set fs->signal_frame.
11289 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11290 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11291 (frob_update_context): Likewise. Workaround missing S flag in
11292 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11293 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11294 Remove the psw_addr + 1 hack.
11296 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11298 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11299 with aggregates here.
11300 (find_func_aliases): Remove code for &<aggregate> from here.
11302 2006-02-26 Roger Sayle <roger@eyesopen.com>
11304 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11305 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11306 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11307 as (X & C) ne/eq 0.
11309 2006-02-26 Roger Sayle <roger@eyesopen.com>
11311 PR middle-end/19983
11312 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11314 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11316 * opts.c (decode_options): Do not handle flag_strength_reduce.
11317 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11318 and OPT_fstrength_reduce.
11319 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11320 flag_prefetch_loop_arrays for being nonzero.
11321 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11323 (fprefetch-loop-arrays-rtl): Removed.
11324 (flag_prefetch_loop_arrays): Do not specify the value.
11326 * doc/passes.texi: Update documentation of loop optimizer
11328 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11329 -frerun-loop-opt): Remove.
11331 2006-02-26 Richard Guenther <rguenther@suse.de>
11333 PR tree-optimization/26421
11334 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11335 in function calls that are ADDR_EXPRs as using the whole structure.
11337 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11339 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11340 * tree-pass.h (pass_loop_optimize): Remove.
11341 * passes.c (pass_loop_optimize): Never run it.
11342 * toplev.c (backend_init): Don't call init_loop.
11343 * opts.c (flag_loop_optimize_set): Remove.
11344 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11345 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11346 the old RTL loop optimizer when profiling enabled.
11347 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11348 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11349 pre-headers for the sake of the old RTL loop optimizer.
11350 * Makefile.in: Remove all references to loop.o.
11352 * doc/invoke.texi: Remove all references to -floop-optimize
11353 and -frerun-loop-opt.
11355 2006-02-26 Zack Weinberg <zackw@panix.com>
11357 * doc/md.texi (Machine Constraints): Refer to all files with paths
11358 relative to gcc directory (i.e. config/CPU/file). Add missing
11359 @table @code ... @end table to M32C subsection.
11361 2006-02-26 Roger Sayle <roger@eyesopen.com>
11363 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11365 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11367 2006-02-26 Roger Sayle <roger@eyesopen.com>
11368 James A. Morrison <phython@gcc.gnu.org>
11370 PR middle-end/21137
11371 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11372 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11373 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11374 signedness of the shift operation.
11376 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11378 PR tree-optimization/26359
11379 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11381 2006-02-25 Roger Sayle <roger@eyesopen.com>
11383 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11384 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11385 as X == 0, and some symmetry related transformations.
11386 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11388 2006-02-25 Roger Sayle <roger@eyesopen.com>
11390 PR middle-end/23673
11391 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11392 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11393 symmetry related transformations. Fold (X^C1) == C2 as
11396 2006-02-25 Juergen Weigert <jw@suse.de>
11397 Richard Guenther <rguenther@suse.de>
11399 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11401 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11403 * combine.c (gen_lowpart_or_truncate): Call
11404 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11406 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11408 * doc/invoke.texi: Move -fopenmp description to "Options for
11410 Remove reference to -lgomp.
11412 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11414 * doc/install.texi: Require GNU tar version 1.14.
11416 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11418 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11419 * doc/invoke.texi (C++ Dialect Options): Document
11420 -fno-use-cxa-get-exception-ptr.
11421 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11422 * configure: Regenerate.
11423 * c.opt (fuse-cxa-get-exception-ptr): New.
11424 * c-opts.c (c_common_handle_option): Handle
11425 OPT_fuse_cxa_get_exception_ptr.
11426 * c-common.c (flag_use_cxa_atexit): Update documentation.
11427 (flag_use_cxa_get_exception_ptr): New.
11428 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11429 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11431 (C_COMMON_OVERRIDE_OPTIONS): New.
11433 2006-02-24 Roger Sayle <roger@eyesopen.com>
11435 PR middle-end/24952
11436 * combine.c (try_combine): Explicitly check whether GET_CODE is
11437 a SET or a CLOBBER, instead on checking that it isn't a USE.
11439 2006-02-24 Roger Sayle <roger@eyesopen.com>
11441 * fold-const.c (fold_comparison): New subroutine of fold_binary
11442 containing transformations common to both the equality and
11443 ordering relational operators, factored out of fold_binary.
11444 (fold_binary): Separate out the equality operators (EQ_EXPR
11445 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11446 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11447 transformations common to both.
11448 (fold_div_compare): Fix latent bugs in the previously unreachable
11449 LT_EXPR and GE_EXPR cases.
11451 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11453 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11454 decl libname for clog to __clog on AIX.
11456 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11458 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11461 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11462 output traceback table for thunks. Localise rs6000_stack_info call.
11464 2006-02-23 Roger Sayle <roger@eyesopen.com>
11465 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11467 * gthr-posix.h (__gthrw): Fix typo in comment.
11469 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11471 * doc/cpp.texi (Character sets): Document that we do support
11472 input files to be in any character set.
11474 2006-02-23 Jeff Law <law@redhat.com>
11476 * tree.h (PHI_ARG_NONZERO): Remove.
11477 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11478 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11479 node to the new node.
11481 PR tree-optimization/26425
11482 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11483 min/max, then assume its varying.
11485 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11487 PR rtl-optimization/26316
11488 * rtlanal.c (enum may_trap_p_flags): New.
11489 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11490 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11491 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11492 (may_trap_after_code_motion_p): New function.
11493 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11494 (find_invariant_insn): Use may_trap_after_code_motion_p.
11495 * rtl.h (may_trap_after_code_motion_p): Declare.
11497 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11499 * emit-rtl.c (immed_double_const): Cleanup.
11501 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11503 Fix PR tree-optimization/26376
11504 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11507 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11509 PR middle-end/26412
11510 * gimplify.c (omp_add_variable): Guard variable size decl test with
11511 DECL_SIZE (decl) check.
11513 2006-02-23 Richard Guenther <rguenther@suse.de>
11515 PR middle-end/26439
11516 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11517 like aggregate types.
11519 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11521 * configure.ac: Add --with{,out}-long-double-128 configure option.
11522 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11523 * configure: Rebuilt.
11524 * config.in: Rebuilt.
11525 * doc/install.texi (Options specification): Document
11526 --with-long-double-128.
11528 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11529 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11530 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11531 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11533 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11535 * config/s390/s390.c (override_options): Handle
11536 TARGET_DEFAULT_LONG_DOUBLE_128.
11538 * config/alpha/alpha.c (override_options): Handle
11539 TARGET_DEFAULT_LONG_DOUBLE_128.
11541 * config/sparc/sparc.c (sparc_override_options): Handle
11542 TARGET_DEFAULT_LONG_DOUBLE_128.
11544 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11546 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11547 (real-install-headers-tar, real-install-headers-cpio)
11548 (real-install-headers-cp): New targets.
11550 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11552 * tree.h (variable_section): Delete.
11553 * varasm.c (variable_section): Delete.
11555 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11557 * install.texi: Add notes on install.texi2html.
11558 (Building in parallel): Do not use footnotes.
11560 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11563 * doc/install.texi (Configuration): Document --disable-libgomp.
11565 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11567 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11569 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11571 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11572 (vec_extractv2df_0_sse): New.
11574 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11576 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11577 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11578 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11579 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11580 to the result of the expression.
11581 (def_cfa_1): Adjust.
11582 (frame_pointer_cfa_offset): Rename to...
11583 (frame_pointer_fb_offset): ... this. Adjust all uses.
11584 (convert_cfa_to_loc_list): Rename to...
11585 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11586 Pass it on to build_cfa_loc.
11587 (compute_frame_pointer_to_cfa_displacement): Rename to...
11588 (compute_frame_pointer_to_fb_displacement): ... this. New
11589 offset parameter. Use it in computation.
11590 (gen_subprogram_die): Compute cfa_fb_offset with the new
11591 macro, and use it to compute the fb loc list and the
11594 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11596 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11597 replaced with register_operand.
11598 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11599 non-DREG is expensive.
11600 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11601 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11604 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11606 * doc/install.texi2html: Use set -e.
11608 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11610 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11611 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11612 * doc/invoke.texi (-fshared-data): Delete.
11613 * common.opt (fshared-data): Delete.
11614 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11615 (assemble_static_space): Remove #if 0 code.
11616 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11617 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11618 * config/cris/cris.h: Remove FIXME.
11620 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11622 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11625 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11627 PR middle-end/26379
11628 * combine.c (simplify_shift_const_1): Disable nested shifts
11629 optimization for vector shifts.
11631 2006-02-20 Roger Sayle <roger@eyesopen.com>
11633 PR tree-optimization/26361
11634 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11635 of unsigned integer types.
11637 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11639 * tree-chrec.c (eq_evolutions_p): New.
11640 * tree-chrec.h (eq_evolutions_p): Declared.
11641 * tree-data-ref.c: Fix formatting.
11642 (datadep_stats, dependence_stats): New.
11644 (print_direction_vector): New.
11645 (dump_data_dependence_relation): Use print_direction_vector.
11646 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11647 (compute_subscript_distance): Static.
11648 (initialize_data_dependence_relation): Static. Get the number
11649 of loops surrounding the references from the callers, and initialize
11650 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11651 base_object_differ_p analyzers.
11652 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11653 compute_overlap_steps_for_affine_1_2,
11654 analyze_subscript_affine_affine): Count the classified dependences.
11655 Print a message when a test failed.
11656 (can_use_analyze_subscript_affine_affine): New.
11657 (analyze_siv_subscript): Compute the data dependences on symbolic
11658 scevs that verify can_use_analyze_subscript_affine_affine.
11659 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11660 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11661 Handle symbolic scevs.
11662 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11664 (subscript_dependence_tester): Moved...
11665 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11666 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11667 DDR_SIZE_VECT instead of getting it in parameter.
11668 (subscript_dependence_tester): ... here. Take as a parameter
11669 loop_nest_depth. Call build_classic_dist_vector and
11670 build_classic_dir_vector.
11671 (compute_affine_dependence): Update subscript_dependence_tester
11672 parameters. Update datadep_stats counters. Call
11673 compute_subscript_distance.
11674 (compute_self_dependence): Save the dist and dir vectors. Call
11675 compute_subscript_distance.
11676 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11677 (compute_all_dependences): Reorder parameters as they were before
11678 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11679 compute_subscript_distance. Update the use of
11680 compute_affine_dependence and initialize_data_dependence_relation.
11681 (find_data_references_in_loop): Handle COMPONENT_REF.
11682 (compute_data_dependences_for_loop): Initialize dependence_stats.
11683 Don't call build_classic_dist_vector and build_classic_dir_vector.
11684 Update the parameters of initialize_data_dependence_relation and
11685 compute_all_dependences. Print the statistics from datadep_stats.
11686 (analyze_all_data_dependences): Static. Not used until the pass for
11687 checking the data dependences is contributed.
11688 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11689 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11690 (initialize_data_dependence_relation, compute_affine_dependence,
11691 analyze_all_data_dependences, compute_subscript_distance): Removed.
11692 (print_direction_vector): New.
11693 * lambda.h (gcd): ... here.
11694 (lambda_vector_gcd): Moved here from gcd_vector.
11695 * lambda-code.c (gcd, gcd_vector): Removed.
11696 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11697 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11699 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11701 * ipa-type-escape.c: Tidy some comments and white space.
11702 * tree-ssa-operands.c: Likewise.
11704 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11707 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11708 (dump_decl_name): Do not walk the decl tree chains.
11709 * tree-pass.h (TDF_CHAIN): Remove.
11711 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11713 * Makefile.in (C): Remove
11715 (.PHONY): Remove C and PROTO
11717 2006-02-20 Roger Sayle <roger@eyesopen.com>
11719 PR middle-end/26236
11720 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11721 deprecated CHAR_TYPE tree code.
11723 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11725 * configure.ac (target_list): Add install-info, dvi, html.
11726 * configure: Regenerate.
11728 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11729 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11730 treelang/Make-lang.in: Do not use double-colon rules.
11732 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11734 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11735 (TMT_USED_ALONE): New macro.
11736 * tree-pass.h (PROP_tmt_usage): New property.
11737 (TODO_update_tmt_usage): New todo.
11738 * tree-ssa-alias.c (updating_used_alone): New variable.
11739 (recalculate_used_alone): New function.
11740 (compute_may_aliases): Set updating_used_alone, call
11741 recalculate_used_alone.
11742 * tree-sra.c (pass_sra): Note that this pass destroys
11743 PROP_tmt_usage, and add TODO_update_tmt_usage.
11744 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11745 * tree-flow.h (updating_used_alone): Prototype.
11746 (recalculate_used_alone): Ditto.
11747 * passes.c (execute_todo): Add code to set updating_used_alone,
11748 and call recalculate.
11749 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11750 for clobber if used alone, and add assert to verify used_alone
11753 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11755 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11756 for non tls symbols added.
11757 (legitimize_address): Do nothing for PLUS expressions if one of the
11758 addends is a tls symbol reference.
11760 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11764 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11766 * Makefile.in (BOOTSTRAPPING): New.
11767 (quickstrap): New definition if BOOTSTRAPPING=yes.
11769 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11770 * configure.ac: Substitute all_selected_languages with the languages
11771 that were configured. For all the other variables except
11772 lang_specs_files, include all the languages in the tree.
11773 * configure: Regenerate.
11775 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11776 if there is one. Run the commands to run fixincludes in the same
11779 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11780 * doc/install.texi: Document exact conventions for searching target tools.
11781 Document --with-build-time-tools. Document toplevel bootstrap. Document
11782 something more about building an Ada cross-compiler. Don't list GNU Make
11783 requirements which affect all platforms.
11785 2006-02-19 Roger Sayle <roger@eyesopen.com>
11787 PR middle-end/19543
11788 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11789 only equivalent if the have both the same mode and precision.
11791 2006-02-20 Ben Elliston <bje@au.ibm.com>
11793 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11795 2006-02-19 Roger Sayle <roger@eyesopen.com>
11796 Steven Bosscher <stevenb.gcc@gmail.com>
11798 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11799 constant pool references to identify stack mode constants.
11800 * rtlanal.c (constant_pool_constant_p): New predicate to check
11801 whether operand is a floating point constant in the pool.
11802 * rtl.h (constant_pool_constant_p): Prototype here.
11803 * loop.c (scan_loop): Avoid hoisting constants from the constant
11804 pool on STACK_REGS targets.
11805 (load_mems): Likewise.
11806 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11807 loads into x87 registers expensive in terms of register pressure.
11809 2006-02-19 Roger Sayle <roger@eyesopen.com>
11811 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11812 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11814 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11816 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11817 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11819 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11821 * doc/invoke.texi: Document -fipa-pta.
11822 * common.opt: Add ipa-pta option.
11823 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11824 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11825 (do_ds_constraint): Ditto.
11826 (get_constraint_for): Only add to referenced_vars if
11827 referenced_vars exists.
11828 (insert_into_field_list): Rewrite to do this unsorted.
11829 (insert_into_field_list_sorted): Rename old insert_into_field_list
11831 (create_function_info_for): Use insert_into_field_list_sorted.
11832 (create_variable_info_for): Rewrite so it uses unsorted version,
11833 since the field list is sorted.
11834 (intra_create_variable_infos): Only add to referenced_vars if
11835 referenced_vars exists.
11836 (ipa_pta_execute): Init heapvars, and delete when done.
11837 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11839 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11841 * doc/install.texi: Add missing `@samp'.
11843 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11845 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11848 2006-02-18 Mark Wielaard <mark@klomp.org>
11850 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11851 who added new 4.1 features, bug fixes and integration support.
11853 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11856 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11857 MEM for ABI_V4 pic.
11859 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11861 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11862 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11863 (copy_insn_1): Likewise. Don't copy each field individually.
11865 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11867 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11868 * rtl.c (rtx_size): Rename variable to...
11869 (rtx_code_size): ...this.
11870 (rtx_size): New function.
11871 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11872 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11874 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11875 * rtl.h (rtx_code_size): New variable.
11876 (rtx_size): Change from a variable to a function.
11877 (RTX_SIZE): Rename to...
11878 (RTX_CODE_SIZE): ...this.
11881 PR tree-optimization/17106
11882 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11883 (Anchored Addresses): New section.
11884 * doc/invoke.texi (-fsection-anchors): Document.
11885 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11886 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11887 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11888 * hooks.c (hook_bool_mode_rtx_false): New function.
11889 * hooks.h (hook_bool_mode_rtx_false): Declare.
11890 * gengtype.c (create_optional_field): New function.
11891 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11892 SYMBOL_REF_IN_BLOCK_P is true.
11893 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11894 (min_anchor_offset, max_anchor_offset): Likewise.
11895 (use_anchors_for_symbol_p): New hook.
11896 * toplev.c (compile_file): Call output_object_blocks.
11897 (target_supports_section_anchors_p): New function.
11898 (process_options): Check that -fsection-anchors is only used on
11899 targets that support it and when -funit-at-a-time is in effect.
11900 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11901 if the decl doesn't have one.
11902 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11903 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11904 of force_const_mem through use_anchored_address.
11905 (expand_expr_constant): New function.
11906 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11907 calling expand_expr for INDIRECT_REF.
11908 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11909 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11910 * expr.h (use_anchored_address): Declare.
11911 * loop-unroll.c: Don't declare rtx vectors here.
11912 * explow.c: Include output.h.
11913 (validize_mem): Call use_anchored_address.
11914 (use_anchored_address): New function.
11915 * common.opt (-fsection-anchors): New switch.
11916 * varasm.c (object_block_htab, anchor_labelno): New variables.
11917 (hash_section, object_block_entry_eq, object_block_entry_hash)
11918 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11919 (use_blocks_for_decl_p, change_symbol_section): New functions.
11920 (get_variable_section): New function, split out from assemble_variable.
11921 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11922 use_blocks_for_decl_p say so. Use change_symbol_section if the
11923 symbol has already been created.
11924 (assemble_variable_contents): New function, split out from...
11925 (assemble_variable): ...here. Don't output any code for
11926 block symbols; just pass them to place_block_symbol.
11927 Use get_variable_section and assemble_variable_contents.
11928 (get_constant_alignment, get_constant_section, get_constant_size): New
11929 functions, split from output_constant_def_contents.
11930 (build_constant_desc): Create a block symbol if use_object_blocks_p
11931 says so. Or into SYMBOL_REF_FLAGS.
11932 (assemble_constant_contents): New function, split from...
11933 (output_constant_def_contents): ...here. Don't output any code
11934 for block symbols; just pass them to place_section_symbol.
11935 Use get_constant_section and get_constant_alignment.
11936 (force_const_mem): Create a block symbol if use_object_blocks_p and
11937 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11938 (output_constant_pool_1): Add an explicit alignment argument.
11939 Don't switch sections here.
11940 (output_constant_pool): Adjust call to output_constant_pool_1.
11941 Switch sections here instead. Don't output anything for block symbols;
11942 just pass them to place_block_symbol.
11943 (init_varasm_once): Initialize object_block_htab.
11944 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11945 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11946 (place_block_symbol, get_section_anchor, output_object_block)
11947 (output_object_block_htab, output_object_blocks): New functions.
11948 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11949 (TARGET_ASM_OUT): Include it.
11950 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11951 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11952 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11953 (TARGET_INITIALIZER): Include them.
11954 * rtl.c (rtl_check_failed_block_symbol): New function.
11955 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11956 (block_symbol, object_block): New structures.
11957 (rtx_def): Add a block_symbol field to the union.
11958 (BLOCK_SYMBOL_CHECK): New macro.
11959 (rtl_check_failed_block_symbol): Declare.
11960 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11961 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11962 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11963 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11964 * output.h (output_section_symbols): Declare.
11965 (object_block): Name structure.
11966 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11967 (default_use_anchors_for_symbol_p): Declare.
11968 * Makefile.in (RTL_BASE_H): Add vec.h.
11969 (explow.o): Depend on output.h.
11970 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11971 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11972 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11973 (rs6000_use_blocks_for_constant_p): New function.
11975 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11977 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11979 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11982 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11985 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11987 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11991 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11993 PR middle-end/26334
11994 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11995 instead of DECL_REGISTER.
11997 2006-02-18 Olivier Hainque <hainque@adacore.com>
12000 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12002 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12005 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12006 * opth-gen.awk: Handle Var and InverseMask together.
12007 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12008 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12009 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12010 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12012 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12013 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12014 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12015 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12016 LINUX_DYNAMIC_LINKER): Define.
12017 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12018 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12020 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12021 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12022 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12024 (TARGET_C99_FUNCTIONS): Don't define.
12025 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12026 GLIBC_DYNAMIC_LINKER.
12027 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12028 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12029 GLIBC_DYNAMIC_LINKER64): Define.
12030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12031 LINUX_DYNAMIC_LINKER64.
12032 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12034 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12036 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12038 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12039 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12040 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12042 and LINUX_DYNAMIC_LINKER32.
12043 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12045 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12047 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12049 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12050 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12051 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12052 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12053 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12054 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12055 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12056 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12057 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12058 LINUX_DYNAMIC_LINKER): Define.
12059 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12060 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12061 GLIBC_DYNAMIC_LINKER64): Define.
12062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12063 LINUX_DYNAMIC_LINKER64.
12064 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12065 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12066 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12067 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12068 LINUX_DYNAMIC_LINKER): Define.
12069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12070 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12071 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12072 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12073 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12074 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12075 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12076 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12077 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12078 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12080 * doc/invoke.texi (-muclibc): Remove caveat about supported
12083 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12085 * doc/cpp.texi (__TIMESTAMP__): Document.
12087 2006-02-17 Roger Sayle <roger@eyesopen.com>
12089 PR middle-end/25600
12090 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12091 C is one less than the width of X (and related transformations).
12092 * simplify-rtx.c (simplify_unary_operation_1): Transform
12093 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12094 depending on STORE_FLAG_VALUE, were C is one less then the
12097 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12099 Fix PR tree-optimization/26341
12100 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12101 about NAME_MEMORY_TAG's.
12103 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12106 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12107 with hardware float support, and software float support. Add fcpy
12108 alternative to hardware patterns. Add alternatives to copy between
12109 general and floating-point registers to the 32-bit pattern.
12110 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12111 secondary reload to load a QI or HI mode constant into a floating
12113 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12114 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12116 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12119 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12121 (load_macho_picbase_di): Likewise.
12123 2006-02-16 Jeff Law <law@redhat.com>
12125 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12126 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12127 (ssa_name_nonzero_p): Likewise.
12128 (get_value_range): Return NULL if VRP is not running.
12129 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12130 VRP routines do not discover a range.
12131 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12132 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12133 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12134 (tree_expr_nonnegative_p): Similarly.
12135 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12136 (restore_nonzero_vars_to_original_value): Remove.
12137 (unsafe_associative_fp_binop): Remove.
12138 (tree_ssa_dominator_optimize): Remove initialization and
12139 finalization of nonzero_vars and nonzero_vars_stack.
12140 (dom_opt_initialize_block): No longer push marker on
12141 nonzero_vars_stack.
12142 (dom_opt_finalize_block): No longer call
12143 restore_nonzero_vars_to_original_value.
12144 (record_equivalences_from_phis): No longer look for
12145 nonzero PHI arguments.
12146 (cprop_into_successor_phis): No longer propagate nonzero
12147 property into PHI arguments. Lose unused argument. Caller
12149 (record_equivalences_from_stmt): No longer record nonzero
12150 values for SSA_NAMEs.
12151 (lookup_avail_expr): No longer use nonzero_vars.
12153 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12154 for sizetype when sizetype is unsigned.
12156 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12158 PR rtl-optimization/25603
12159 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12160 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12161 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12162 with new meaning of SETS.
12164 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12169 * config/linux.opt: New file.
12170 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12171 LINUX_DYNAMIC_LINKER): Define.
12172 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12173 * config.gcc (*-*-linux*): Define extra_options.
12174 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12175 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12176 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12177 GLIBC_DYNAMIC_LINKER.
12178 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12179 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12180 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12182 * doc/invoke.texi (GNU/Linux Options): New section.
12184 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12186 * config/sparc/sparc.md (setjmp): Rewrite.
12187 (setjmp_32): Delete.
12188 (setjmp_64): Likewise.
12190 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12192 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12195 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12197 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12200 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12202 PR rtl-optimization/26296
12203 * Makefile.in (loop-invariant.c): Add except.h dependency.
12204 * loop-invariant.c: Include except.h.
12205 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12207 2005-02-16 Paul Brook <paul@codesourcery.com>
12209 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12212 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12214 PR rtl-optimization/25636
12215 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12216 when deciding whether an insn is an initializing insn.
12218 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12220 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12221 (tree_code_size): Ditto.
12222 * tree.h (struct tree_memory_tag): Remove parent_var.
12223 (struct tree_struct_field_tag): New.
12226 (union tree_node): Add sft member.
12227 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12229 (create_sft): Add size and offset argument, set SFT_OFFSET and
12231 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12232 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12233 * tree-flow-inline.h (get_subvar_at): Update for
12234 SFT_OFFSET/SFT_SIZE.
12235 (var_can_have_subvars): Ditto.
12236 (overlap_subvar): Ditto.
12237 * print-tree.c (print_node): Print out interesting things for
12239 * tree-flow.h (struct subvar): Remove offset and size members.
12240 * tree-ssa-operands.c (get_expr_operands): Update for
12241 get_indirect_ref_operands changes.
12242 (get_indirect_ref_operands): Call add_virtual_operand instead of
12243 add_stmt_operand. Only recurse on base var if requested.
12244 (access_can_touch_variable): New function.
12245 (add_stmt_operand): Split virtual operand handling into ...
12246 (add_virtual_operand): Here. Add offset, size, and for_clobber
12247 arguments. Prune alias sets.
12248 (add_call_clobber_ops): Call add_virtual_operand.
12250 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12252 PR middle-end/26300
12253 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12255 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12256 than TREE_CODE as index into omp_clause_num_ops array.
12258 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12260 PR rtl-optimization/26184
12261 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12263 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12264 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12265 must_precede, must_follow and tobe_scheduled.
12268 * opts.c (common_handle_option): Free new_option pointer.
12269 * df-core.c (df_analyze): Free postorder pointer.
12271 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12273 * Makefile.in: Fix the examples about the use of stamps
12275 2006-02-15 Michael Matz <matz@suse.de>
12277 PR middle-end/22275
12279 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12280 influenced by maximum_field_alignment or DECL_PACKED.
12281 (update_alignment_for_field): Ditto.
12282 (place_field): Ditto.
12283 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12286 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12288 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12289 (debug_flow_info): Pass it.
12290 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12291 * bb-reorder.c (reorder_basic_blocks): Likewise.
12292 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12293 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12294 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12295 * gcse.c (gcse_main, bypass_jumps): Likewise.
12296 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12297 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12298 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12299 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12300 * rtl.h (dump_flow_info): Adjust prototype.
12301 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12302 * var-tracking.c (variable_tracking_main): Likewise.
12303 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12304 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12307 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12309 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12312 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12314 PR tree-optimization/26209
12315 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12316 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12318 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12320 2006-02-14 Roger Sayle <roger@eyesopen.com>
12322 PR middle-end/23670
12323 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12324 (X,Y) and the corresponding symmetry related transformations.
12325 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12326 (X,Y) and its symmetry related transformations.
12328 2006-02-14 Roger Sayle <roger@eyesopen.com>
12330 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12333 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12335 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12337 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12340 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12341 support COMDAT group.
12342 * configure: Regenerate.
12344 2006-02-14 Roger Sayle <roger@eyesopen.com>
12346 PR middle-end/26279
12347 PR middle-end/26280
12348 PR middle-end/26283
12349 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12351 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12353 Fix PR tree-optimization/26260
12355 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12357 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12358 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12359 * tree-ssa-structalias.c (create_variable_info_for): Use
12360 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12362 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12364 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12366 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12367 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12368 of the ending condition.
12369 * tree-ssa-loop-manip.c: Include params.h.
12370 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12371 tree_unroll_loop): New functions.
12372 * tree-pass.h (pass_loop_prefetch): Declare.
12373 * loop.c (rest_of_handle_loop_optimize): Test for
12374 -fprefetch-loop-arrays-rtl.
12375 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12376 * timevar.def (TV_TREE_PREFETCH): New timevar.
12377 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12378 pass_loop_prefetch): New.
12379 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12380 (cleanup_tree_cfg_loop): Call scev_reset.
12381 * common.opt (fprefetch-loop-arrays-rtl): Add.
12382 * tree-ssa-loop-prefetch.c: New file.
12383 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12384 (new_temp_expr_table): Initialize expr_vars.
12385 (free_temp_expr_table): Cleanup expr_vars.
12386 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12387 expressions from being merged into one.
12388 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12389 (struct tree_niter_desc): Add control, bound and cmp fields.
12390 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12392 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12393 (tree-cfgcleanup.o): Add SCEV_H dependency.
12394 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12395 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12397 2006-02-14 Richard Guenther <rguenther@suse.de>
12399 PR tree-optimization/26258
12400 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12401 in PHI argument processing.
12403 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12405 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12406 new expression in the requested machine mode.
12408 2006-02-13 Roger Sayle <roger@eyesopen.com>
12410 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12411 directly, instead let do_compare_rtx_and_jump handle this for us.
12412 * expr.c (expand_expr_real_1): Likewise.
12413 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12414 before do_jump_by_parts_greater.
12415 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12416 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12418 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12420 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12422 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12424 PR rtl-optimization/26235
12425 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12426 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12429 2006-02-13 Jeff Law <law@redhat.com>
12431 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12434 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12436 PR middle-end/26092
12437 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12438 twice if decl is a builtin. When trying again, call get_callee_fndecl
12439 first to verify it is still a builtin.
12441 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12443 * dwarf2out.c (base_type_die): Don't add AT_name here.
12444 (subrange_type_die): Don't add AT_name here.
12445 (modified_type_die): Rearrange code flow. Do add AT_name here.
12447 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12449 PR rtl-optimization/26247
12450 PR rtl-optimization/26248
12451 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12453 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12455 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12456 * config/fixtfdi.c: Likewise.
12457 * config/fixunstfdi.c: Likewise.
12458 * config/floatditf.c: Likewise.
12460 2006-02-13 Roger Sayle <roger@eyesopen.com>
12462 PR middle-end/24427
12463 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12464 into (X,C2) if C1 is a subset of the bits of C2. Transform
12465 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12467 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12469 2006-02-13 Josh Conner <jconner@apple.com>
12472 * varasm.c (function_section): Check for section name before
12473 calling select_section on targets that define
12474 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12475 unlikely_text_section instead of hot_function_section if
12476 first_function_block_is_cold.
12478 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12480 PR middle-end/25335
12481 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12483 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12485 PR rtl-optimization/26222
12486 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12487 after tree->rtl expansion.
12488 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12489 before passing it to emit_move_insn.
12491 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12493 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12495 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12496 Clarify documentation.
12497 * c-common.h (warn_write_strings): Remove.
12498 * c-common.c (warn_write_strings): Likewise.
12499 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12502 2006-02-12 Roger Sayle <roger@eyesopen.com>
12504 PR middle-end/25724
12505 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12506 (do_jump_parts_zero_rtx): New function renamed from
12507 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12508 (do_jump_parts_equality_rtx): New function split out from
12509 do_jump_parts_equality. Old implementation renamed as above.
12510 Call do_jump_parts_zero_rtx if either operand is zero.
12511 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12512 do all of the heavy lifting.
12513 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12514 calling either do_jump_by_parts_greater_rtx or
12515 do_jump_by_parts_equality_rtx.
12516 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12517 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12518 moved to do_compare_rtx_and_jump, call it directly.
12519 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12520 mode argument. Call do_compare_rtx_and_jump.
12521 (emit_case_nodes): Update calls to do_jump_if_equal.
12523 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12525 PR rtl-optimization/26225
12526 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12528 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12530 PR rtl-optimization/26232
12531 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12533 2006-02-11 Jason Merrill <jason@redhat.com>
12536 * tree-inline.c (declare_return_variable): Just don't use the
12537 modify target if it's a gimple complex reg and the return slot
12540 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12542 * doc/contrib.texi: Update my entry.
12544 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12546 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12548 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12550 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12553 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12555 * doc/invoke.texi (-floop-optimize2): Removed.
12556 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12557 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12558 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12559 * common.opt (floop-optimize2): Removed.
12560 (fmove-loop-invariants): Enabled by default.
12562 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12564 * tree-if-conv.c (combine_blocks): Free the result of
12565 get_loop_exit_edges.
12567 2006-02-10 Jeff Law <law@redhat.com>
12569 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12571 PR tree-optimization/26213
12572 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12573 loop trying to follow SSA_NAME_VALUE chains.
12575 2006-02-10 Richard Guenther <rguenther@suse.de>
12577 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12578 deal with structures that end in implicitly variable sized arrays.
12580 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12582 PR rtl-optimization/24762
12583 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12586 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12588 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12589 (struct ivopts_data): Add regs_used field.
12590 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12591 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12592 instead of loop_data->regs_used;
12593 (free_loop_data): Do not free aux fields for loops.
12594 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12595 and tree_ssa_iv_optimize_finalize.
12597 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12599 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12601 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12604 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12605 computing the effective result type.
12607 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12609 PR inline-asm/16194
12610 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12611 (tree_overlaps_hard_reg_set): Declare.
12612 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12613 type and signature to match function type expected by walk_tree.
12614 (tree_overlaps_hard_reg_set): New function.
12615 (decl_conflicts_with_clobbers_p): Rename to:
12616 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12617 Use tree_overlaps_hard_reg_set. Changed caller.
12618 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12619 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12620 * cris.c (cris_md_asm_clobbers): Likewise.
12622 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12624 * reload1.c (emit_input_reload_insns): Delete code that tries to
12625 inherit using find_equiv_reg.
12627 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12629 * c-common.h (flag_const_strings): Don't declare.
12630 * c-common.c (flag_const_strings): Remove.
12631 * c.opt (fconst_strings): Remove.
12632 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12633 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12634 (c_common_init_options): Don't set flag_const_strings.
12635 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12637 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12639 * arm.md (tlobits_cbranch): New pattern.
12640 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12641 testing a single bit.
12643 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12646 * tree-ssa-pre.c (create_component_ref_by_pieces):
12647 Handle RETURN_DECL like VAR_DECL.
12649 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12651 PR middle-end/26134
12652 * fold-const.c (fold_indirect_ref_1): Fold
12653 "*(foo *)&complexfoo" to "__real__ complexfoo"
12654 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12656 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12658 * tree-flow-inline.h (var_can_have_subvars):
12659 Volatile variables should not have subvariables.
12661 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12664 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12665 multiplying unsigned values.
12668 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12670 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12672 2006-02-08 Jason Merrill <jason@redhat.com>
12675 * tree.def: Elaborate on difference from MODIFY_EXPR.
12676 * doc/c-tree.texi (INIT_EXPR): Likewise.
12677 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12678 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12679 (gimplify_target_expr): Likewise.
12680 (gimplify_cond_expr): Remove target handling.
12681 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12682 (gimplify_expr): Clobber it here.
12683 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12684 Do return slot optimization if we have an INIT_EXPR.
12687 * tree-inline.c (declare_return_variable): Also clear
12688 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12691 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12693 PR middle-end/22439
12694 * gimplify.c (gimplify_one_sizepos): Fix typo.
12696 2006-02-08 Jeff Law <law@redhat.com>
12698 PR tree-optimization/21417
12699 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12700 across a backedge if the control statement at the end of the
12701 block is data dependent on other statements in the same block.
12702 (record_temporary_equivalences_from_stmts): Remove over-conservative
12703 test for threading across backedges.
12705 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12706 control statement, handle all three special cases in the same
12707 manner as they all have the same desired solution. No longer
12708 special case edge flag updating when the post dominator is
12711 2006-02-08 Roger Sayle <roger@eyesopen.com>
12713 * tree.def (CHAR_TYPE): Remove.
12714 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12715 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12716 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12717 (gen_string_type_die): Delete unreachable function.
12719 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12720 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12721 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12722 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12723 * builtins.c (type_to_class): Likewise.
12724 * fold-const.c (fold_convert, build_range_check,
12725 merge_ranges): Likewise.
12726 * expr.c (count_type_elements): Likewise.
12727 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12728 * stor-layout.c (layout_type): Likewise.
12729 * ipa-type-escape.c (type_to_consider): Likewise.
12730 * gimplify.c (omp_firstprivatize_type_sizes,
12731 gimplify_type_sizes): Likewise.
12732 * explow.c (promote_mode): Likewise.
12733 * tree-sra.c (is_sra_scalar_type): Likewise.
12734 * varasm.c (output_constant): Likewise.
12735 * tree-inline.c (remap_type_1): Likewise.
12736 * convert.c (convert_to_pointer, convert_to_real,
12737 convert_to_integer, convert_to_complex): Likewise.
12739 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12741 * df-scan.c (df_def_record_1): A set destination may
12742 be a parallel regardless of mode.
12744 2006-02-08 Roger Sayle <roger@eyesopen.com>
12747 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12748 * config/mips/_tilib.c: Remove.
12749 * config/fixtfdi.c: New libgcc source file.
12750 * config/fixunstfdi.c: New source file.
12751 * config/floatditf.c: New source file.
12752 * config/floatunditf.c: New souce file.
12753 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12754 files above instead of config/mips/_tilib.c.
12755 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12757 2006-02-08 Jeff Law <law@redhat.com>
12759 PR tree-optimization/26169
12760 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12763 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12765 * df.h (DF_REG_SIZE): Return the length of the initialized
12768 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12770 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12771 __muldf3): Return a correctly signed zero.
12773 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12775 * passes.c (register_one_dump_file): Accept the current properties
12776 instead of pass number. Adjust call to dump_register. Remove
12778 (register_dump_files): Now a wrapper around...
12779 (register_dump_files_1): ... this one. Do not modify the pass
12781 (next_pass_1): Cosmetic fix.
12782 (execute_todo): Keep second parameter only. Use curr_properties
12783 instead of fetching it from the pass structure. Check and set
12785 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12786 instead of fetching it from the pass structure. Fix calls to
12787 execute_todo. Update curr_properties and initialize .vcg RTL dump
12788 after running the pass. Reset last_verified.
12789 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12791 (FIRST_AUTO_NUMBERED_DUMP): New.
12792 (dump_register): Remove "num" parameter, assign it within the
12794 (get_dump_file_name): Modify template for dumps.
12795 * tree-dump.h (dump_register): Adjust prototype.
12796 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12797 (PROP_trees): Add PROP_gimple_lomp.
12798 (TODO_set_props): New.
12799 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12800 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12801 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12803 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12805 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12806 (sparc64-*-linux*): Likewise.
12807 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12808 * config/sparc/t-linux: New file.
12809 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12810 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12811 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12812 -m32 -mlong-double-128.
12814 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12815 * config/alpha/t-linux: New file.
12816 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12818 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12819 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12820 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12821 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12822 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12823 (CPP_ARCH32_SPEC): Remove.
12825 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12827 PR tree-optimization/26145
12828 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12831 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12834 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12835 >= 240000 when generating code for SOM runtime.
12836 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12837 to $$dyncall when generating code for SOM runtime..
12839 2006-02-07 Dirk Mueller <dmueller@suse.com>
12842 * doc/invoke.texi (-Wsequence-point): Update documentation
12843 that -Wsequence-point is implemented for C++ as well.
12845 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12847 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12848 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12849 (LIB_SPEC): Likewise.
12850 * doc/invoke.texi (SPARC options): Document -pthread.
12852 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12854 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12857 2006-02-07 Roger Sayle <roger@eyesopen.com>
12859 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12860 Correct comment describing BOOLEAN_TYPE.
12862 2006-02-07 Dirk Mueller <dmueller@suse.com>
12864 * c.opt: C++ frontend supports -Wdiv-by-zero.
12865 * c-opts.c (c_common_handle_option): Remove dead case.
12867 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12869 * configure.ac (TLS assembler check): Do not enable TLS by
12870 default on SPARC/Solaris before version 10.
12871 * configure: Regenerate.
12873 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12875 * doc/invoke.texi (xl-compat): Document conversion and support
12878 2006-02-07 Jeff Law <law@redhat.com>
12880 * tree-vrp.c (find_conditional_asserts): Update comments.
12881 (simplify_stmt_for_jump_threading): New.
12882 (identify_jump_threads, finalize_jump_threads): New.
12883 (vrp_finalize): Call identify_jump_threads.
12884 (execute_vrp): Call finalize_jump_threads.
12885 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12886 (vrp_element, vrp_data, vrp_element_p): Remove.
12887 (vrp_hash_elt, vrp_variables_stack): Remove.
12888 (vrp_hash, vrp_eq, record_range): Remove.
12889 (simplify_cond_and_lookup_avail_expr): Remove.
12890 (extract_range_from_cond): Remove.
12891 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12892 (simplify_stmt_for_jump_threading): New.
12893 (dom_thread_across_edge): New wrapper.
12894 (tree_ssa_dominator_optimize): No longer initialize or
12895 finalize any of the VRP datastructures. Remove iteration
12896 step and simplify as a result of removal of iteration step.
12897 (pass_dominator): Perform a cfg cleanup after DOM.
12898 (dom_opt_finalize_block): Use the new common routines
12899 for threading jumps. Simplify stack management slightly.
12900 No longer need to unwind VRP state.
12901 (record_equivalences_from_incoming_edge): No longer record
12903 (eliminate_redundant_computations): No longer call
12904 simplify_cond_and_lookup_avail_expr.
12905 * tree-flow.h (potentially_threadable_block): Prototype.
12906 (thread_across_edge): Likewise.
12907 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12908 (tree-ssa-threadedge.o): Add dependencies.
12909 * tree-ssa-threadedge.c: New file.
12910 * passes.c (init_optimization_passes): Merge PHIs before
12911 calling VRP. Run VRP again late in the SSA optimization pipeline.
12913 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12915 * df-core.c (df_set_blocks): Do not dereference function pointers.
12916 (df_finish1): Likewise.
12917 (df_hybrid_search_forward): Likewise.
12918 (df_hybrid_search_backward): Likewise.
12919 (df_iterative_dataflow): Likewise.
12920 (df_analyze_problem): Likewise.
12921 (df_compact_blocks): Likewise.
12922 (df_dump): Likewise.
12923 * df-scan.c (df_rescan_blocks): Likewise.
12924 (df_record_entry_block_defs): Likewise.
12926 * genconditions.c (write_conditions): Guard the definition of
12927 'insn_conditions' with the check on GCC version.
12928 (write_writer): Guard the traversal 'insn_conditions' with
12929 the check on GCC version.
12931 2006-02-07 Richard Guenther <rguenther@suse.de>
12935 2006-01-30 Richard Guenther <rguenther@suse.de>
12937 * gimplify.c (gimplify_target_expr): Handle easy cases
12938 without creating a temporary.
12940 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12942 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12943 use of float in probability computations. Use edge probabilities
12944 in place of statically computed probabilities.
12945 (min_spec_prob): New static variable.
12946 (schedule_insns): Initialize it.
12947 (GET_SRC_PROB): Removed.
12948 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12950 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12953 * config/ia64/unwind-ia64.c: Revert last change.
12954 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12955 (INCOMING_FRAME_SP_OFFSET): Define.
12957 2006-02-06 Roger Sayle <roger@eyesopen.com>
12959 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12961 2006-02-07 Ben Elliston <bje@au.ibm.com>
12963 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12964 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12965 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12966 (ix86_return_in_memory): Handle TDmode.
12967 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12968 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12970 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12972 * reorg.c (dbr_schedule): Use dump_file instead of file.
12974 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12977 * config/ia64/predicates.md (extr_len_operand): New predicate.
12978 * config/ia64/ia64.md (extv): Tighten constraints.
12980 (*tbit_and_2): Ditto.
12981 (*tbit_and_3): Ditto.
12982 (*tbit_or_2): Ditto.
12983 (*tbit_or_3): Ditto.
12984 (*bit_zero): Ditto.
12987 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12990 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12992 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12994 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12995 loop_optimizer_init and loop_optimizer_finalize
12996 * tree-ssa-sink.c (execute_sink_code): Ditto.
12997 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12998 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12999 tree_ssa_loop_done): Ditto.
13000 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13001 * sched-ebb.c: Include output.h.
13002 (schedule_ebbs): Do not use dump argument.
13003 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13004 * loop.c (loop_dump_stream): Removed.
13005 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13007 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13008 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13009 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13010 loop_iterations, strength_reduce, record_biv, record_giv,
13011 final_giv_value, check_final_value, check_ext_dependent_givs,
13012 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13013 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13014 dump_file instead of loop_dump_stream.
13015 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13016 argument dump_file.
13017 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13019 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13020 * haifa-sched.c: Include output.h
13021 (schedule_insns, sched_init): Do not use dump argument.
13022 * mode-switching.c (optimize_mode_switching): Ditto.
13023 * modulo-sched.c (stats_file): Removed.
13024 (print_node_sched_params): Do not call argument dump_file.
13025 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13026 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13028 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13030 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13031 rtl_loop_init, rtl_loop_done): Ditto.
13032 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13033 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13035 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13036 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13037 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13038 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13039 * emit-rtl.c (renumber_insns): Ditto.
13040 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13041 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13042 * regclass.c (regclass): Ditto.
13043 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13044 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13045 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13046 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13048 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13049 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13051 * gcse.c (gcse_file, debug_stderr): Removed.
13052 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13053 rest_of_handle_gcse): Do not use dump argument.
13054 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13055 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13056 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13057 compute_code_hoist_vbeinout, compute_code_hoist_data,
13058 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13059 compute_store_table, build_store_vectors, insert_insn_start_bb,
13060 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13061 store_motion): Use dump_file instead of gcse_file.
13062 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13063 * profile.c (profile_dump_file): Removed.
13064 (branch_prob): Use dump_file instead of profile_dump_file.
13065 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13067 * tree-ssa-copy.c (dump_copy_of): Ditto.
13068 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13069 dump file to life_analysis.
13070 * bt-load.c (branch_target_load_optimize): Ditto.
13071 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13073 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13074 regclass, dbr_schedule): Declaration changed.
13075 * sched-int.h (sched_init): Declaration changed.
13076 * tree-profile.c (tree_profile_dump_file): Removed.
13077 (tree_profile_hooks): Removed profile_dump_file hook.
13078 * rtl-profile (rtl_profile_dump_file): Removed.
13079 (rtl_profile_hooks): emoved profile_dump_file hook.
13080 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13082 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13083 * tree-cfg.c (build_tree_cfg): Ditto.
13084 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13085 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13086 Declaration changed.
13087 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13088 life_analysis and schedule_insns.
13089 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13091 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13093 * config/mips/mips.c (mips_reorg): Ditto.
13094 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13097 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13099 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13100 (s390_mangle_fundamental_type): New.
13101 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13104 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13105 (alpha_mangle_fundamental_type): New.
13106 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13109 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13111 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13113 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13114 (sparc_mangle_fundamental_type): New.
13116 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13118 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13119 (s390x-*-linux*): Likewise.
13120 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13121 * config/s390/t-linux: New file.
13123 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13125 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13126 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13128 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13130 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13131 (ANTIC_SAFE_LOADS): New macro.
13132 (find_or_generate_expression): Add prototype.
13133 (set_contains_value): Allow null set for sake of not always having
13134 to allocate ANTIC_SAFE_LOADS.
13135 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13136 Allow COMPONENT_REF too.
13137 (valid_in_set): Allow COMPONENT_REF.
13138 Check ANTIC_SAFE_LOADS too.
13139 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13140 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13142 (can_PRE_operation): Add COMPONENT_REF.
13143 (create_component_ref_by_pieces): New function.
13144 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13145 (insert_aux): Move AGGREGATE_TYPE_P check here.
13146 (compute_avail): Set bb local stmt uids.
13147 (pass_pre): Use TODO_update_ssa_only_virtuals.
13149 2006-02-06 Ben Elliston <bje@au.ibm.com>
13151 * configure.ac: Unconditionally disable decimal float by default.
13152 * configure: Regenerate.
13154 2006-02-06 Ben Elliston <bje@au.ibm.com>
13156 * read-rtl.c (read_name): Terminate reading on EOF.
13158 2006-02-06 Ben Elliston <bje@au.ibm.com>
13160 * dfp.c (decimal_real_arithmetic): Change second argument type
13161 from int to enum tree_code. Do not always return true, but now
13162 return result of any call to decimal_do helper functions.
13163 * dfp.h (decimal_real_arithmetic): Update prototype.
13165 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13167 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13169 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13172 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13175 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13177 * tree-vrp.c (cfg_loops): Removed.
13178 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13179 Use current_loops instead of cfg_loops. Pass flags to
13180 loop_optimizer_init.
13181 * cfgloopmanip.c (fix_loop_structure): Update only available
13183 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13184 loop_optimizer_init.
13185 * modulo-sched.c (build_loops_structure): Removed.
13186 (sms_schedule): Use loop_optimizer_init.
13187 * loop-init.c (loop_optimizer_init): Use flags to determine
13188 which properties of loops to prepare.
13189 (rtl_loop_init): Pass flags to loop_optimizer_init.
13190 * tree-ssa-sink.c (execute_sink_code): Ditto.
13191 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13192 * tree-ssa-pre.c (init_pre): Ditto.
13193 * cfgloop.h (LOOPS_NORMAL): New.
13194 (loop_optimizer_init): Declaration changed.
13196 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13198 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13199 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13201 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13203 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13205 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13206 * pa/t-pa64: Delete quadlib.c rule.
13207 * pa/x-ada: Revert last change.
13208 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13210 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13212 PR rtl-optimization/26087
13213 * rtlanal.c (canonicalize_condition): Do not cross basic block
13216 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13219 * config/ia64/ia64.c: Include debug.h.
13220 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13221 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13222 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13223 (process_epilogue, process_set, process_for_unwind_directive):
13224 Output unwind info only if requested. Add CFA info if requested.
13225 Add new arguments as needed. Adjust callers.
13226 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13228 (DWARF2_FRAME_INFO): Define to zero.
13229 * config/ia64/unwind-ia64.c: Remove code that compensated for
13230 the CFA offset error fixed above.
13231 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13232 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13233 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13234 -funwind-tables and -fexceptions to enable frame info.
13235 (dwarf2out_frame_init): Define initial CFA even if
13236 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13237 DWARF2_UNWIND_INFO is nonzero, not just defined.
13238 (dwarf2out_frame_finish): Output non-EH call frame info only
13239 if DWARF2_FRAME_INFO is nonzero.
13240 (convert_cfa_to_loc_list,
13241 compute_frame_pointer_to_cfa_displacement): Define even if
13242 unwind info is not supported.
13243 (gen_subprogram_die): Use the above unconditionally. Remove
13244 legacy alternate code.
13245 * toplev.c (compile_file): Compile in call to
13246 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13247 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13249 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13250 Jakub Jelinek <jakub@redhat.com>
13252 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13253 IBM extended float format long double as "g" on powerpc*-linux.
13255 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13258 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13259 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13261 2006-02-03 Jason Merrill <jason@redhat.com>
13264 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13266 PR middle-end/25977
13267 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13268 on the return slot if it's an NRV.
13270 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13272 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13273 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13274 rewrite_use): Do not handle USE_OUTER.
13275 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13276 add_iv_outer_candidates, may_replace_final_value,
13277 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13278 (find_interesting_uses_op): Functionality of
13279 find_interesting_uses_outer_or_nonlin moved here.
13280 (find_interesting_uses_outside): Use find_interesting_uses_op.
13282 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13285 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13287 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13288 Ulrich Weigand <uweigand@de.ibm.com>
13291 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13292 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13293 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13294 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13296 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13297 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13298 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13299 Define secondary reloads for TFmode moves.
13300 (constant_modes): Add TFmode.
13301 (NR_C_MODES): Set to 8.
13302 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13304 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13305 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13306 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13307 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13308 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13309 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13310 (FPR mode macro): Add TFmode.
13311 (DSF mode macro): New.
13312 (<de>, <dee> mode attributes): Removed.
13313 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13314 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13315 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13316 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13317 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13318 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13319 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13320 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13321 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13322 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13323 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13324 "*negabs<mode>2", "sqrt<mode>2"):
13325 Changed <de> to <xde>. R constraint replaced by <Rf>.
13326 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13328 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13329 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13330 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13332 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13333 "extenddftf2", "extendsftf2"): New expanders.
13334 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13335 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13336 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13337 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13339 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13340 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13341 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13342 __floatditf): Add a GCC_4.1.0 symbol version tag.
13343 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13346 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13349 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13350 Use targetm.binds_local_p instead of TREE_PUBLIC.
13352 2006-02-02 Roger Sayle <roger@eyesopen.com>
13354 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13355 on INTEGER_TYPEs to indicate that it denotes a character type.
13356 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13357 signed_char_type_node, unsigned_char_type_node and char_type_node.
13358 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13359 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13360 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13362 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13363 Daniel Berlin <dberlin@dberlin.org>
13365 * tree-tailcall.c (arg_needs_copy_p): New function.
13366 (eliminate_tail_call): Use arg_needs_copy_p.
13367 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13368 (add_virtual_phis): New function.
13370 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13372 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13373 #ignore instead of #scratch for %g7 .register directive.
13375 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13377 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13380 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13382 * flow.c (calculate_global_regs_live): Assert that there aren't any
13385 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13387 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13388 what its name says.
13389 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13390 bsi_after_labels iterator.
13391 * tree-if-conv.c (find_phi_replacement_condition,
13392 replace_phi_with_cond_modify_expr): Likewise.
13393 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13394 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13396 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13398 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13400 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13403 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13404 array after growing it.
13406 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13408 PR middle-end/24901
13409 * fold-const.c (fold_checksum_tree): Change type of buf.
13411 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13413 * reload.c (push_secondary_reload): Initialize t_icode.
13415 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13417 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13418 -msoft-float -mlong-double-128 only issue a warning, but don't
13419 swich to DFmode long double.
13421 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13423 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13424 has a constant equivalent, iterate over equivalents for arg0,
13425 calling simplify_relational_operation and if there's a result
13426 cheaper than X, apply fold_rtx and return the result.
13428 2006-02-01 Jan Hubicka <jh@suse.cz>
13430 * opts.c (no_unit_at_a_time_default): New global variable.
13431 (decode_options): Use it.
13432 * opts.h (no_unit_at_a_time_default): Declare.
13434 2006-02-01 Paul Brook <paul@codesourcery.com>
13436 * function.c (assign_parm_setup_reg): Use function argument promotion
13438 * expr.c (expand_expr_real_1): Use function argument promotion rules
13441 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13443 * gcc.c (process_command): Change j to 'unsigned int'.
13445 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13447 PR middle-end/26001
13448 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13449 Use the corrected index for the character
13450 out of the string constant.
13452 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13454 * mode-switching.c (optimize_mode_switching): Fix size
13455 allocated for bb_info[n_entities].
13457 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13459 * gcc.c (main): Correct type that is allocated for
13460 explicit_link_files.
13462 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13464 * config/s390/s390.c (init_alignment_context): Set
13465 ALIAS_SET_MEMORY_BARRIER on the MEM.
13466 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13468 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13470 PR middle-end/25933
13471 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13473 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13476 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13478 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13479 * regrename.c: Ditto.
13480 * tree-ssa-loop-im.c: Ditto.
13481 * tree-dump.c: Ditto.
13482 * tree-complex.c: Ditto.
13483 * genrecog.c: Ditto.
13484 * tree-ssa-threadupdate.c: Ditto.
13486 * java/class.c: Ditto.
13487 * java/jcf-parse.c: Ditto.
13488 * java/resource.c: Ditto.
13489 * java/except.c: Ditto.
13490 * java/jvspec.c: Ditto.
13491 * java/jcf-write.c: Ditto.
13492 * java/jcf-path.c: Ditto.
13493 * java/gjavah.c: Ditto.
13494 * java/zextract.c: Ditto.
13495 * java/jcf-io.c: Ditto.
13496 * java/jcf.h: Ditto.
13497 * java/buffer.c: Ditto.
13498 * java/lang.c: Ditto.
13499 * java/parse-scan.y: Ditto.
13500 * java/lex.c: Ditto.
13501 * java/lex.h: Ditto.
13502 * cfgloopmanip.c: Ditto.
13503 * postreload-gcse.c: Ditto.
13504 * tree-ssa-loop-manip.c: Ditto.
13505 * postreload.c: Ditto.
13506 * tree-ssa-loop-ch.c: Ditto.
13509 * cppspec.c: Ditto.
13510 * diagnostic.c: Ditto.
13512 * genoutput.c: Ditto.
13514 * cfghooks.c: Ditto.
13515 * cfgloopanal.c: Ditto.
13516 * objc/objc-act.c: Ditto.
13518 * genextract.c: Ditto.
13519 * genautomata.c: Ditto.
13520 * pretty-print.c: Ditto.
13521 * genemit.c: Ditto.
13522 * cgraphunit.c: Ditto.
13524 * df-scan.c: Ditto.
13525 * haifa-sched.c: Ditto.
13526 * dominance.c: Ditto.
13528 * tree-ssa-loop-ivopts.c: Ditto.
13529 * df-core.c: Ditto.
13530 * mode-switching.c: Ditto.
13531 * modulo-sched.c: Ditto.
13533 * ipa-pure-const.c: Ditto.
13535 * fix-header.c: Ditto.
13537 * tree-stdarg.c: Ditto.
13538 * ipa-utils.c: Ditto.
13539 * loop-init.c: Ditto.
13540 * ipa-inline.c: Ditto.
13541 * cfganal.c: Ditto.
13543 * alloc-pool.c: Ditto.
13544 * dwarf2out.c: Ditto.
13546 * genattrtab.c: Ditto.
13547 * tree-ssa-loop-ivcanon.c: Ditto.
13548 * predict.c: Ditto.
13549 * timevar.c: Ditto.
13551 * fortran/gfortranspec.c: Ditto.
13552 * regmove.c: Ditto.
13553 * local-alloc.c: Ditto.
13554 * langhooks.c: Ditto.
13555 * function.c: Ditto.
13556 * tree-vectorizer.c: Ditto.
13558 * ipa-type-escape.c: Ditto.
13560 * tree-if-conv.c: Ditto.
13561 * profile.c: Ditto.
13563 * tree-data-ref.c: Ditto.
13564 * loop-unroll.c: Ditto.
13565 * treelang/treetree.c: Ditto.
13567 * bt-load.c: Ditto.
13568 * ggc-common.c: Ditto.
13570 * coverage.c: Ditto.
13572 * tree-cfgcleanup.c: Ditto.
13573 * tree-ssa-pre.c: Ditto.
13574 * cfgcleanup.c: Ditto.
13575 * loop-invariant.c: Ditto.
13576 * loop-iv.c: Ditto.
13577 * ipa-prop.c: Ditto.
13578 * print-tree.c: Ditto.
13579 * conflict.c: Ditto.
13580 * ggc-page.c: Ditto.
13581 * sched-deps.c: Ditto.
13582 * regclass.c: Ditto.
13583 * tree-object-size.c: Ditto.
13584 * combine.c: Ditto.
13585 * bb-reorder.c: Ditto.
13586 * resource.c: Ditto.
13587 * var-tracking.c: Ditto.
13588 * cfgloop.c: Ditto.
13589 * df-problems.c: Ditto.
13590 * reg-stack.c: Ditto.
13592 * gccspec.c: Ditto.
13593 * sched-rgn.c: Ditto.
13594 * tree-ssa-structalias.c: Ditto.
13595 * tree-ssa-reassoc.c: Ditto.
13596 * config/darwin-c.c: Ditto.
13597 * config/darwin.c: Ditto.
13598 * config/arm/arm.c: Ditto.
13600 * collect2.c: Ditto.
13601 * reload1.c: Ditto.
13603 2006-01-31 Nicolas Pitre <nico@cam.org>
13605 * arm.md (smaxsi3): Make aware of smax_m1.
13608 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13610 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13612 2006-01-31 Richard Guenther <rguenther@suse.de>
13614 * doc/invoke.texi (-msselibm): Document.
13615 * target.h (expand_library_builtin): New target hook.
13616 * builtins.c (expand_builtin): Use expand_library_builtin.
13617 (default_expand_library_builtin): New function.
13618 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13619 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13620 (link_gcc_math_spec): Declare.
13621 (static_specs): Add link_gcc_math_spec.
13622 * expr.h (default_expand_library_builtin): Declare.
13623 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13624 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13625 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13626 * config/i386/i386.opt (msselibm): New target option.
13627 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13628 (ix86_init_sse_abi_builtins): New function.
13629 (ix86_expand_library_builtin): Likewise.
13630 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13631 (override_options): Handle error conditions wrt -msselibm.
13632 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13633 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13634 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13637 2006-01-31 Richard Guenther <rguenther@suse.de>
13638 Paolo Bonzini <bonzini@gnu.org>
13640 * doc/install.texi (--disable-libgcc-math): Document.
13642 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13644 * expr.h (expand_normal): new inline function.
13645 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13646 * dojump.c: use it.
13647 * dwarf2out.c: use it.
13650 * expmed.c: use it.
13651 * except.c: use it.
13652 * config/sparc/sparc.c: use it.
13653 * config/i386/i386.c: use it.
13654 * config/rs6000/rs6000.c: use it.
13655 * config/arm/arm.c: use it.
13656 * config/mips/mips.c: use it.
13657 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13659 2006-01-30 Roger Sayle <roger@eyesopen.com>
13661 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13662 argv to the appropriate type.
13664 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13666 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13669 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13672 * config/s390/s390.c (struct machine_function): New flag
13673 decomposed_literal_pool_addresses_ok_p.
13674 (s390_reorg): Set it before final stage of literal pool transforms.
13675 (s390_decompose_address): Only accept displacements of the form
13676 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13678 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13680 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13681 the comparison routine return.
13683 2006-01-30 Michael Matz <matz@suse.de>
13685 * global.c (find_reg): Only evict for global regs.
13686 Take n_refs into account and dump more info.
13688 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13691 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13692 (pragma_trap, pragma_nosave_low_regs): Likewise.
13693 (current_function_anonymous_args): Likewise.
13694 (sh_deferred_function_attributes): New variable.
13695 (sh_deferred_function_attributes_tail): Likewise.
13696 (print_operand): For '@', look up trap_exit attribute.
13697 (calc_live_regs): Look up trapa_handler attribute. For trapa
13698 handlers, save/restore fpscr, but don't do any other
13699 interrupt-specific saves.
13700 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13701 Fix check for partially saved registers to check for SHmedia.
13702 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13703 (sh_output_function_epilogue): Don't clear any of the removed
13705 (sh_insert_attributes): Don't check pragma_interrupt.
13706 Insert deferred attributes. Check that interrupt attribute is
13707 present for other attributes that require its presence.
13708 (sh_attribute_table): Add new attributes trapa_handler and
13710 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13711 Don't check for pragma_interrupt. Don't store argument.
13712 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13713 (sh_deferred_function_attributes): Declare.
13714 (sh_deferred_function_attributes_tail): Likewise.
13715 * sh.md (sp_switch_1): Add operand. Change generator caller.
13716 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13717 (*return_i): Don't use when trap_exit attribute is in effect.
13718 (*return_trapa): New insn pattern.
13719 * sh-c.c: New file.
13720 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13721 setting c_target_objs and cxx_target_objs.
13722 * t-sh: Add rule for sh-c.o.
13724 2006-01-30 Richard Guenther <rguenther@suse.de>
13727 * gimplify.c (gimplify_target_expr): Handle easy cases
13728 without creating a temporary.
13730 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13732 * vec.h (safe_grow): Remove duplicated line.
13734 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13737 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13738 (expand_omp): ... here.
13739 (expand_omp_parallel): Only remove barriers for combined
13740 parallel+workshare constructs.
13742 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13746 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13747 * tree.c (build_qualified_type): Chain the new type to the original
13748 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13749 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13750 (build_pointer_type_for_mode): Only return unqualified types.
13751 (build_reference_type_for_mode): Likewise.
13753 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13755 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13756 * Makefile.in (CXX_COMPAT_WARN): Define.
13757 * configure: Regenerate.
13759 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13762 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13765 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13767 * toplev.c: Fix thinko.
13769 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13770 Marcin Dalecki <martin@dalecki.de>
13772 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13773 (push_srcloc): Use XNEW.
13774 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13776 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13778 * df-core.c (df_set_blocks): Deleted all variable.
13780 2006-01-28 Ian Lance Taylor <ian@airs.com>
13782 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13783 cgraph_output_pending_asms.
13785 2006-01-28 Zack Weinberg <zackw@panix.com>
13787 * c.opt: Add -W(no-)overlength-strings.
13788 * doc/invoke.texi: Document it.
13789 * c-opts.c (c_common_handle_option): -pedantic implies
13790 -Woverlength-strings, if not explicitly disabled already.
13791 (c_common_post_options): -Woverlength-strings defaults to off, and
13792 is always off for C++.
13793 * c-common.c (fix_string_type): Issue warning about strings longer
13794 than is portable only if warn_overlength_strings. Rearrange code
13795 a little for clarity.
13796 * configure.in: Check for -Wno-overlength-strings as well before
13797 enabling -pedantic in stage 1.
13798 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13799 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13801 * genconditions.c (write_header, write_one_condition)
13802 (write_conditions, write_writer): Consolidate very long strings
13803 that were broken up to fit in C89 portable limit. Don't use
13804 printf when fputs will do.
13806 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13808 * combine.c (simplify_comparison <AND>): Check
13809 TRULY_NOOP_TRUNCATION before start using a subreg.
13811 * config/mips/mips.md (*branch_zero<mode>,
13812 *branch_zero<mode>_inverted, *branch_equality<mode>,
13813 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13814 Remove mode check from comparisons.
13816 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13818 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13820 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13822 * expmed.c (const_mult_add_overflow_p): Remove.
13823 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13825 * recog.c (validate_replace_rtx_subexp): Remove.
13826 * recog.h: Remove the prototype for
13827 validate_replace_rtx_subexp.
13829 * integrate.h: Remove the prototype for
13830 copy_decl_for_inlining.
13831 * rtl.h: Remove the prototype for mark_constant_function.
13832 * tree-vectorizer.h: Remove the prototype for
13833 vect_strip_conversion.
13835 * modulo-sched.c (create_partial_schedule,
13836 free_partial_schedule, reset_partial_schedule): Make them
13839 * hooks.c (hook_bool_rtx_int_false): Remove.
13840 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13842 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13844 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13845 and -mlong-double-128 are incompatible.
13846 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13847 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13848 (TARGET_LIBGCC2_CFLAGS): Define.
13849 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13850 (TARGET_LIBGCC2_CFLAGS): Same.
13851 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13853 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13856 * c-typeck.c (build_binary_op): Perform implicit casts of
13857 operands before shortening them.
13859 * cfgloopmanip.c (split_loop_bb): Remove.
13860 * cfgloop.h: Remove the prototype for split_loop_bb.
13862 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13863 * cfgloop.h: Remove the prototype for
13864 flow_loop_outside_edge_p.
13866 * emit-rtl.c (init_virtual_regs): Make it static.
13867 * function.h: Remove the prototype for init_virtual_regs.
13869 * recog.c (peephole2_optimize): Make it static.
13870 * recog.h: Remove the prototype for peephole2_optimize.
13872 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13874 * df-scan.c (df_record_entry_block_defs): Check if
13875 INCOMING_RETURN_ADDR_RTX is defined.
13877 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13878 Kenneth Zadeck <zadeck@naturalbridge.com>
13880 PR rtl-optimization/24762
13881 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13882 * targhooks.c (hook_void_bitmap): New hook prototype.
13883 * targhoohs.h (hook_void_bitmap): Ditto.
13884 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13885 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13886 * target.h (live_on_entry): New function pointer.
13887 * df-scan.c (df_all_hard_regs): Removed.
13888 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13889 (df_scan_free_internal): Added df->entry_block_defs.
13890 (df_scan_alloc): Ditto.
13891 (df_scan_dump): Ditto.
13892 (df_uses_record): Plumbed flag field properly thru calls.
13893 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13894 This part fixes PR24762.
13895 (df_bb_refs_record): Added code to make the frame and arg
13896 pointers live in EH blocks.
13897 (df_refs_record): Added call to df_record_entry_block_defs.
13898 (df_record_entry_block_defs): New function.
13899 * df-core.c: Added comments to describe new artifical defs.
13900 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13901 (entry_block_defs): New field in struct df.
13902 (df_all_hard_regs): Deleted.
13903 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13904 * df-problems.c (df_ru_bb_local_compute_process_def):
13905 Added code to handle artifical defs in the entry to a function.
13906 (df_ru_bb_local_compute): Ditto.
13907 (df_rd_bb_local_compute_process_def): Ditto.
13908 (df_rd_bb_local_compute): Ditto.
13909 (df_lr_bb_local_compute): Ditto.
13910 (df_ur_bb_local_compute): Ditto.
13911 (df_urec_bb_local_compute): Ditto.
13912 (df_chain_create_bb): Ditto.
13913 (df_ur_local_finalize): Removed entry.
13914 (df_urec_init): Ditto.
13915 (df_urec_local_finalize): Ditto.
13916 (df_ri_bb_compute): Added detection of last use of pseudos.
13917 * Makefile.in (df-scan.o): Updated dependencies.
13918 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13919 * config/mips/mips.c (mips_set_live_on_entry): Added.
13920 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13922 * dce.c (marked_insn_p): Added code to handle artifical defs.
13924 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13926 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13928 (_mm_cvtsi128_si64): Likewise.
13929 (_mm_cvtsd_si64): Likewise.
13930 (_mm_cvttsd_si64): Likewise.
13931 (_mm_cvtsi64_sd): Likewise.
13932 (_mm_cvtsi64_si128): Likewise.
13933 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13934 (_mm_cvtsi64_m64): Likewise.
13935 (_m_to_int64): Likewise.
13936 (_mm_cvtm64_si64): Likewise.
13937 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13938 (_mm_cvttss_si64): Likewise.
13939 (_mm_cvtsi64_ss): Likewise.
13940 (_mm_cvtss_f32): Likewise.
13942 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13944 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13945 for pragma redefine_extname.
13947 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13950 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13951 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13952 -mno-minimal-toc to previous content.
13953 (bispecs): Remove goal.
13954 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13955 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13956 compatibility aliases on powerpc-*-*gnu*.
13957 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13958 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13959 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13960 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13961 (ldblspecs): New goal.
13962 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13963 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13965 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13966 L_sf_to_tf or L_df_to_tf is defined.
13968 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13969 Alan Modra <amodra@bigpond.net.au>
13972 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13973 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13974 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13975 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13976 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13977 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13978 (rs6000_override_options): Initialize rs6000_ieeequad.
13979 Initialize TFmode format to ibm_extended_format if not
13981 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13983 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13984 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13985 (function_arg_advance): IBM long double passed in two FPRs, not
13987 (function_arg): IBM long double passed in FPRs.
13988 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13989 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13990 Only multireg GPR aligned.
13991 (rs6000_init_libfuncs): Enable IBM long double functions if not
13993 (rs6000_generate_compare): Use IBM long double compare if not
13995 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13996 (TARGET_IEEEQUAD): Define.
13997 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13998 not TARGET_IEEEQUAD.
13999 * config/rs6000/rs6000.md: Enable TFmode patterns if
14001 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14002 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14003 and -mlong-double-128 are incompatible.
14004 * doc/invoke.texi (-mabi): Collect options together. Add
14005 ibmlongdouble and ieeelongdouble.
14007 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14009 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14011 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14012 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14013 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14014 * rtl.h (rtunion_def): Remove rt_ptr.
14016 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14017 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14018 * config/i386/winnt.c (i386_pe_mark_dllexport)
14019 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14021 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14023 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14025 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14029 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14030 pthread_key_delete. From John David Anglin. gthrw-ify
14031 pthread_getunique_np only if it it's not a macro. Delete
14033 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14034 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14035 __gthread_objc_condition_signal, __gthread_key_delete): Add
14036 "__attribute__ ((__unused__))" to unused arguments.
14037 (__gthread_recursive_mutex_init_function): Add missing return.
14038 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14039 gthr-posix95.h: Use macro-based approach for name redirection
14040 on targets missing weakref.
14042 2006-01-26 Zack Weinberg <zackw@panix.com>
14044 * genconditions.c (write_header): In generated code, #ifdef out
14045 all includes and fake declarations, except includes of bconfig.h
14046 and system.h, unless GCC_VERSION >= 3001. Do not include
14047 gensupport.h in any case.
14048 (write_conditions): Generate a definition of struct c_test. Add
14049 a comment to the generated #endif.
14050 (write_one_condition): Escape backslashes in string too.
14051 (write_writer): Generated code must escape backslashes and quote
14052 marks (but not newlines) in the strings it writes.
14053 * Makefile.in (build/gencondmd.o): Update dependencies.
14055 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14058 * Makefile.in (insn-automata.o): Add header file dependencies.
14059 * genautomata.c: Add includes.
14061 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14064 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14066 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14068 * configure.ac: Expect target tools paths to be passed from the toplevel
14069 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14071 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14073 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14076 * c.opt (Wpointer-sign): Init to -1.
14077 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14078 OPT_pedantic, to 0 otherwise.
14079 * doc/invoke.texi: Update.
14081 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14083 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14084 constants provided by 80387 instructions in the destination mode.
14086 2006-01-26 Richard Guenther <rguenther@suse.de>
14087 Andrew Pinski <pinskia@physics.uc.edu>
14090 partial PR tree-opt/17064
14091 * tree-ssa-structalias.c (intra_create_variable_infos):
14092 Create heap variables for incoming parameters if
14093 flag_argument_noalias > 1.
14094 (find_what_p_points_to): Look through default defs of
14097 2006-01-26 Jeff Law <law@redhat.com>
14100 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14101 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14102 within the VR_RANGE, use the VR_RANGE as the result, not the
14104 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14105 bounds for the type.
14107 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14109 * tree-ssa-alias.c (maybe_create_global_var): Change
14110 subvar walking to an assertion that we don't have subvar'd variables.
14112 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14115 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14116 Use a new variable, inner. PARM_DECLs are always non-weak.
14118 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14120 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14121 --disable-checking.
14123 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14125 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14127 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14129 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14130 (smax_insn, smin_insn, smax_0, smin_0): New.
14132 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14135 * config/cris/cris.c (cris_order_for_addsi3): New function.
14136 * config/cris/cris-protos.h: Prototype it.
14137 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14138 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14139 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14140 (split for "op.S1 [rx=rx+i],ry (swapped)")
14141 (split for "op(s|u).S1 [rx=rx+i],ry")
14142 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14143 Apply cris_order_for_addsi3 when generating addsi3 insns.
14145 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14147 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14148 (TREE_BLOCK): Add call to EXPR_CHECK.
14150 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14153 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14154 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14155 (dump_omp_clauses): ... here.
14156 (dump_generic_node): Handle OMP_CLAUSE.
14157 * tree.c (omp_clause_num_ops): New.
14158 (omp_clause_code_name): New.
14159 (tree_code_size): Handle OMP_CLAUSE.
14160 (tree_size): Likewise.
14161 (make_node): Document handling of OMP_CLAUSE.
14162 (tree_node_structure): Handle OMP_CLAUSE.
14163 (omp_clause_check_failed): New.
14164 (omp_clause_range_check_failed): New.
14165 (omp_clause_operand_check_failed): New.
14166 (build_omp_clause): New.
14167 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14168 * tree.h (enum omp_clause_code): Declare.
14169 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14170 (OMP_CLAUSE_RANGE_CHECK): Define.
14171 (OMP_CLAUSE_ELT_CHECK): Define.
14172 (omp_clause_check_failed): Declare.
14173 (omp_clause_operand_check_failed): Declare.
14174 (omp_clause_range_check_failed): Declare.
14175 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14176 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14177 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14178 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14179 (OMP_CLAUSE_IF_EXPR): Likewise.
14180 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14181 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14182 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14183 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14184 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14185 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14186 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14187 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14188 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14189 (OMP_CLAUSE_CODE): Define.
14190 (OMP_CLAUSE_SET_CODE): Define.
14191 (OMP_CLAUSE_CODE): Define.
14192 (OMP_CLAUSE_OPERAND): Define.
14193 (struct tree_omp_clause): Declare.
14194 (union tree_node): Add field 'omp_clause'.
14195 * treestruct.def (TS_OMP_CLAUSE): Define.
14196 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14197 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14198 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14199 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14200 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14201 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14202 (OMP_CLAUSE): Define.
14203 * print-tree.c (print_node): Handle OMP_CLAUSE.
14204 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14205 * c-typeck.c: Likewise.
14206 * gimplify.c: Likewise.
14207 * c-omp.c: Likewise.
14208 * tree-nested.c: Likewise.
14209 * tree-inline.c: Likewise.
14210 * c-parser.c: Likewise.
14211 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14214 2006-01-25 Roger Sayle <roger@eyesopen.com>
14216 PR rtl-optimization/25703
14217 * combine.c (try_combine): Handle zero_extract and strict_low_part
14218 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14220 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14222 * global.c: Fix comment typos.
14224 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14227 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14228 Use output_addr_const instead of assemble_name.
14230 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14232 * Makefile.in (sched-vis.o): Update dependencies.
14233 * haifa-sched.c (sched_finish): Clear current_sched_info.
14234 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14235 (dump_flow_info): Call it.
14236 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14238 * basic-block.h (dump_bb_info): Declare.
14239 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14240 option, and apply options only for dump files whose TDF_RTL,
14241 TDF_TREE, or TDF_IPA bits match.
14242 * rtl.h: Declare new functions exported from sched-vis.c.
14243 * sched-vis.c: Enable also if scheduling is not used.
14244 (print_value): Print the mode of registers if not inside scheduling.
14245 (print_insn): Make it work outside the scheduler. Beautify the output
14247 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14249 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14251 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14252 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14253 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14254 depending on the value of CONSTANT_POOL_ADDRESS_P.
14255 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14257 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14258 rather than SYMBOL_REF_DECL.
14259 (rtx_constant_pool): Remove const_rtx_sym_htab.
14260 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14261 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14262 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14263 Remove handling of const_rtx_sym_htab.
14264 (find_pool_constant): Delete.
14265 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14266 rather than find_pool_constant.
14267 (get_pool_constant_for_function): Delete.
14268 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14269 find_pool_constant.
14270 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14271 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14272 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14273 (SYMBOL_REF_CONSTANT): New macro.
14274 (get_pool_constant_for_function): Delete.
14275 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14276 rather than SYMBOL_REF_DECL.
14277 (i386_pe_mark_dllimport): Likewise.
14278 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14279 rather than SYMBOL_REF_DECL.
14280 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14281 (machopic_indirect_call_target): Likewise.
14283 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14285 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14287 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14289 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14291 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14293 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14295 2006-01-24 David Daney <ddaney@avtrex.com>
14298 * configure.ac (enable_tls): New enable option.
14299 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14300 * configure: Regenerate.
14301 * doc/install.texi (--enable-tls): Document new option.
14302 (--disable-tls): Ditto.
14304 2006-01-24 Richard Henderson <rth@redehat.com>
14306 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14307 * alias.c (true_dependence): Respect it.
14308 (canon_true_dependence, write_dependence_p): Likewise.
14309 * builtins.c (get_builtin_sync_mem): Set it.
14311 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14313 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14316 2006-01-24 DJ Delorie <dj@redhat.com>
14318 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14319 for storing constants in single-bit bitfields.
14321 2006-01-25 Ben Elliston <bje@au.ibm.com>
14323 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14325 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14328 * tree-ssa-pre.c (phi_translate): Return NULL
14329 for AGGREGATE_TYPE's.
14331 2006-01-24 Zack Weinberg <zackw@panix.com>
14333 * genautomata.c (process_state_for_insn_equiv_partition):
14334 Use xcalloc for insn_arcs_array.
14335 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14336 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14338 2006-01-24 Richard Henderson <rth@redhat.com>
14340 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14341 update all callers.
14343 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14345 PR rtl-optimization/25890
14346 PR rtl-optimization/25905
14347 * combine.c (expand_compound_operation, expand_field_assignment):
14348 Fail if the bitfield's final position is out of bounds.
14350 2006-01-24 Ian Lance Taylor <ian@airs.com>
14352 PR middle-end/25930
14353 * cgraphunit.c (cgraph_output_in_order): Don't clear
14354 cgraph_asm_nodes until after asm strings have been output.
14356 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14358 * fix-header.c (read_scan_file): Add new parameter imultilib when
14359 calling register_include_chains.
14361 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14363 * omp-low.c: Update documentation.
14365 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14366 Daniel Berlin <dberlin@dberlin.org>
14370 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14371 return from the function.
14373 2006-01-22 Zack Weinberg <zackw@panix.com>
14375 * rtl.def (match_code): Add second argument.
14376 * genpreds.c (write_extract_subexp): New function.
14377 (write_match_code): Add path argument. Use write_extract_subexp.
14378 (write_predicate_expr): Pass path to write_match_code.
14379 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14380 not perform a mode test.
14381 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14382 a subexpression does not constrain the top-level code set.
14383 * read-rtl.c (read_rtx_variadic): New function.
14384 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14385 * doc/md.texi: Document new notation.
14386 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14387 (cmpsi_operand): ... here, using new notation.
14389 2006-01-22 Zack Weinberg <zackw@panix.com>
14391 * varray.c: Remove GENERATOR_FILE #ifdefs.
14393 2006-01-22 Zack Weinberg <zackw@panix.com>
14395 * genautomata.c (output_reserved_units_table): Emit nothing if
14396 description->query_units_num is zero. Remove extra blank line.
14397 (output_cpu_unit_reservation_p): Short circuit
14398 if description->query_units_num is zero.
14400 2006-01-22 Zack Weinberg <zackw@panix.com>
14402 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14403 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14404 nor any of the random handful of variables that used to be necessary
14405 when this program was linked with rtlanal.o. Prune set of forward
14406 function declarations.
14407 (struct attr_desc): Remove static_p field.
14408 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14409 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14410 (attr_string): Do not read the character one past the length of
14412 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14413 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14414 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14415 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14416 (make_automaton_attrs): New.
14417 (main): Do not call into genautomata. Call local gen_bypass
14418 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14419 Remove special case for insn_alts.
14420 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14421 varray.h (leftover from previous change). Prune set of forward
14422 function declarations. Remove state_alts fields from all
14423 structures. Remove state_alts_table from struct automaton.
14424 Make everything except main static. Do not maintain num_dfa_decls.
14425 Do not maintain state_alts fields of various structures.
14426 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14427 (add_arc): Remove state_alts argument. All callers updated.
14428 (output_reserved_units_table): Emit #ifdef here...
14429 (output_tables): ...not here. Don't generate state_alts tables.
14430 (expand_automata): Don't generate attributes.
14431 (write_automata): Don't generate state_alts functions.
14432 (main): New function.
14433 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14434 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14435 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14436 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14437 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14438 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14439 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14440 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14442 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14443 * genattrtab.h: Delete file.
14444 * Makefile.in (OBJS-common): Add insn-automata.o.
14445 (insn-automata.o): New rule.
14446 (simple_generated_c): Add insn-automata.c.
14447 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14448 (genprogmd): Add automata.
14449 (build/genattrtab): Needs no extra objects nor libraries.
14450 (build/genautomata): Needs build/vec.o and -lm.
14452 2006-01-22 Zack Weinberg <zackw@panix.com>
14454 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14455 (output_dfa_max_issue_rate, locked_states_num): Delete.
14456 (struct automaton): Add locked_states field.
14457 (output_dead_lock_vect): Save number of locked states in
14458 automaton->locked_states. If it is zero, don't print anything.
14459 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14460 (output_internal_dead_lock_func): Only test the dead_lock_vect
14461 for automata that have locked states.
14462 (output_statistics): Always print the number of locked states for
14463 each automaton. Calculate total number of locked states here.
14464 (write_automata): Don't call output_dfa_max_issue_rate.
14465 * genattrtab.c: Define length_unit_log as a const variable.
14466 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14467 max_insn_queue_index const.
14468 * final.c (length_unit_log): Declare const.
14469 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14471 2006-01-22 Zack Weinberg <zackw@panix.com>
14473 * genautomata.c: Include vec.h, not varray.h.
14474 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14475 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14476 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14477 VEC_* macros operating on appropriately typed vectors, or to
14478 malloced arrays when the size is known in advance. Const-ify
14479 many char* variables and function arguments. No functional changes.
14480 * Makefile.in (build/varray.o): Delete rule.
14481 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14482 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14484 2006-01-22 Zack Weinberg <zackw@panix.com>
14486 * gensupport.c: Define get_insn_name and record_insn_name here.
14487 (read_md_rtx): Call record_insn_name as appropriate.
14488 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14489 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14490 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14492 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14493 (BUILD_VARRAY): Delete.
14494 (genprognormal): Rename genprogmd. Fold in all programs from
14495 genprognoprint; also attrtab.
14496 (build/genattrtab): Just mention genautomata.o and varray.o.
14497 Reorganize a bit, add comments to make the categories clearer.
14499 2006-01-22 Zack Weinberg <zackw@panix.com>
14501 * genconditions.c (condition_table, add_condition): Delete.
14502 (write_conditions): Don't emit n_insn_conditions nor
14503 insn_elision_unavailable. Issue the gcc version #ifdef here,
14504 inside the table, with no #else clause ...
14505 (write_header): ...not here.
14506 (write_writer): New function.
14507 (main): Don't initialize condition_table. Use add_c_test.
14509 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14510 files on the command line.
14511 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14512 Return -1 if there is no entry in the table, don't abort.
14513 (add_c_test, traverse_c_tests): New functions.
14514 * gensupport.h (insn_elision_unavailable, insn_conditions)
14515 (n_insn_conditions): Delete declarations.
14516 (add_c_test, traverse_c_tests): Declare.
14517 * read-rtl.c: Include gensupport.h.
14518 (read_conditions): New function.
14519 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14520 (read_rtx_1): If we get EOF when we were looking for an initial
14521 open paren, return 0. Call read_conditions when appropriate.
14522 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14523 dummy-conditions.o. Eliminate references to insn-conditions.o,
14524 or change them to build/gencondmd.o, as appropriate. Remove
14525 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14526 from $(simple_generated_c). For all files remaining in those
14527 two lists, add insn-conditions.md to the generator command line.
14528 Give insn-constants.h/s-constants their own rules. Add rules
14529 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14530 (build/read-rtl.o): Depend on gensupport.h.
14531 (genprognormal): Include preds.
14532 (genprogearly): Rename genprognoprint; only difference is now that
14533 they don't link with $(BUILD_PRINT).
14534 * dummy-conditions.c: Delete.
14536 2006-01-22 Zack Weinberg <zackw@panix.com>
14538 * genextract.c: Don't include insn-config.h. Do include vec.h.
14539 Declare vectors of int, char, and locstr.
14540 (locstr): New typedef.
14541 (struct extraction): Make all array fields into bare pointers.
14542 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14543 (insn_code_number): Delete.
14544 (accum_extract): New struct.
14545 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14546 (gen_insn): Take insn_code_number as an argument. Use an
14547 accum_extract structure instead of loading data directly into
14548 a struct extraction, and having to know how big it might get.
14549 (walk_rtx): Operate entirely on an accum_extract structure.
14550 (print_path): Avoid unnecessary use of printf.
14551 (print_header): New function, split out of main. Distinguish
14552 more carefully between an unrecognizable insn and an insn that
14553 has the code number of a define_expand.
14554 (main): Pass insn_code_number to gen_insn. Call print_header
14555 only after parsing. Avoid unnecessary use of printf.
14556 * Makefile.in (build/vec.o): New rule.
14557 (build/genextract): Depend on build/vec.o.
14558 (build/genextract.o): Don't depend on insn-config.h.
14560 2006-01-22 Zack Weinberg <zackw@panix.com>
14562 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14563 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14564 practical. Eliminate per-generator-program link rules.
14566 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14568 PR middle-end/24437
14569 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14570 with a call expr to ...
14571 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14573 2006-01-23 Richard Guenther <rguenther@suse.de>
14575 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14576 before make_edge with conditional EDGE_TRUE_VALUE.
14578 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14579 Jan Hubicka <jh@suse.cz>
14580 Richard Guenther <rguenther@suse.de>
14582 PR rtl-optimization/25654
14583 * cfgexpand.c (aggregate_contains_union_type): New function.
14584 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14585 for structure variables that contain a union type.
14587 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14589 * gengtype.c (new_structure): Return the structure.
14590 (create_option): Add an extra "next" argument.
14591 (create_field): New function.
14592 (adjust_field_rtx_def): Use create_option and create_field.
14593 Remove a now-unnecessary call to find_structure.
14594 (adjust_field_tree_def): Likewise.
14595 (note_yacc_type): Remove an unnecessary call to find_structure.
14596 * gengtype.h (new_structure): Return the structure.
14597 (create_option): Add an extra argument.
14598 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14599 (option): Adjust calls to create_option.
14601 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14603 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14605 2006-01-22 Paul Brook <paul@codesourcery.com>
14606 Peter Barada <peter@the-baradas.com>
14608 * config/m68k/m68k.md: Add Coldfire FPU support.
14609 Define FP mode macro and associated attributes.
14610 Use it for float mode patterns.
14611 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14612 (LIBCALL_VALUE): Use m68k_libcall_value.
14613 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14614 (m68k_function_value): Ditto.
14615 (emit_move_sequence): Ditto.
14616 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14617 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14618 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14619 (MULTILIB_EXCEPTIONS): Ditto.
14620 * config/m68k/m68k.opt: Add mcfv4e.
14621 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14622 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14623 (m68k_output_function_prologue): Save ColdFire FPU registers.
14624 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14625 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14626 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14627 ColdFire FPU registers.
14628 (m68k_libcall_value, m68k_function_value): New functions.
14629 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14630 (LIBCALL_VALUE): Use m68k_libcall_value.
14631 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14632 (MASK_COLDFIRE): Add MASK_CFV4E.
14633 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14634 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14635 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14636 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14637 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14638 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14639 * doc/invoke.tex: Document -mcfv4e on m68k.
14641 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14643 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14646 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14649 * c-opts.c (c_common_handle_option): Don't include
14650 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14651 * doc/invoke.texi (C++ Dialect Options): Document that
14652 -Wnon-virtual-dtor is no longer included in -Wall.
14654 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14656 * gcov.c (print_version), gcov-dump.c (print_version),
14657 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14660 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14662 * df-scan.c (problem_SCAN): Added NULL reset function.
14663 (df_scan_reset_blocks): Added code to call reset block function
14664 (df_bb_refs_delete) Fixed comment.
14665 (df_insn_refs_delete): Made tolerant of deleting non existent info
14666 for dataflow problems that need to be reset.
14667 * df-core.c (df_set_blocks): Ditto.
14668 * df.h (struct df_problem): Added reset_fun.
14669 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14670 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14671 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14672 functions to clear out all references to def-use or use-def chains.
14674 2006-01-21 Ben Elliston <bje@au.ibm.com>
14676 * varasm.c (assemble_real): Initialise data array.
14678 2006-01-20 Paul Brook <paul@codesourcery.com>
14680 Merge from csl-arm-branch.
14681 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14682 * config/arm/arm.md (movdi): Force operands[1] to a register
14683 if we have a non-register source.
14684 (*arm_movdi, *movdf_soft_insn): Require that one of the
14685 operands be a register.
14686 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14687 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14689 2006-01-20 DJ Delorie <dj@redhat.com>
14691 * varasm.c (initializer_constant_valid_p): Allow pointers
14692 initialized from integer constants of lesser precision.
14693 (output_constant): Allow non-int-sized pointer modes to be
14694 initialized from integer constants.
14696 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14699 * cppdefault.h (struct default_include): Add multilib flag.
14700 * cppdefault.c (cpp_include_defaults): Set it.
14701 * c.opt (-imultilib): New option.
14702 * c-opts.c (imultilib): New.
14703 (c_common_handle_option): Handle -imultilib.
14704 (c_common_post_options): Likewise.
14705 * c-incpath.c (add_standard_paths, register_include_chains):
14707 * c-incpath.h (register_include_chains): Add extra parameter.
14708 * gcc.c (do_spec_1): Generate -imultilib option.
14709 (The Specs Language): Update %I description.
14710 (process_command): Update copyright notice.
14711 * doc/cppopts.texi (-imultilib): Document.
14712 * doc/invoke.texi (-imultilib): Include in option summary.
14713 (%I): Update specs documentation.
14715 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14717 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14719 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14721 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14724 2006-01-20 Richard Guenther <rguenther@suse.de>
14725 Steven Bosscher <stevenb.gcc@gmail.com>
14727 PR rtl-optimization/24626
14728 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14729 EDGE_TRUE_VALUE if in RTL mode.
14732 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14733 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14735 2006-01-20 Dirk Mueller <dmueller@suse.com>
14738 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14739 instead of a special NOP marker.
14740 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14741 NOP marker handling.
14742 * c-common.h (empty_body_warning): Add forward declaration.
14743 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14744 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14746 2006-01-20 Paul Brook <paul@codesourcery.com>
14748 * Makefile.in (lang_checks): Keep going if mkdir fails.
14750 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14752 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14753 be able to clean out basic block when not necessary.
14754 (df_scan_free): Fixed to properly delete information if df is
14755 unused before calling df_finish.
14756 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14757 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14759 (df_bb_refs_delete): New function.
14760 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14761 * df-core.c (df_set_blocks): Added code to properly clean out
14762 unused blocks if they are not part of the blocks to consider.
14763 Added additional null check.
14764 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14765 be able to clean out basic block when not necessary
14766 * df.h (df_free_bb_function): Ditto.
14767 (df_bb_refs_delete): New function.
14768 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14769 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14770 basic block parameter to be able to clean out basic block when not
14772 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14773 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14774 Fixed to properly delete information if df is unused before
14777 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14779 PR rtl-optimization/25799
14780 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14781 Corrected confluence operator to remove bits from op2 before oring
14782 with op1 rather than removing bits from op1.
14783 (df_ru_transfer_function): Corrected test on wrong bitmap which
14784 caused infinite loop. Both of these problems were introduced in
14785 the dataflow rewrite.
14787 2006-01-19 DJ Delorie <dj@redhat.com>
14789 * reload1.c (find_reload_regs): Note the details of reload
14790 failures in the dump file.
14791 (spill_failure): Likewise.
14793 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14795 * loop-iv.c: Include df.h and hashtab.h.
14796 (enum iv_grd_result): New enum.
14797 (DF_REF_IV, DF_REF_IV_SET): New macros.
14798 (struct biv_entry): New.
14799 (df, bivs): New global variables.
14800 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14801 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14803 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14804 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14805 analyzed_for_bivness_p, record_biv): New functions.
14806 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14807 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14808 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14810 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14812 (iv_number_of_iterations): Use new interface to iv analysis.
14813 * loop-unroll.c: Do not include varray.h.
14814 (analyze_iv_to_split_insn): Use new interface to iv
14816 * loop-unswitch.c (may_unswitch_on): Ditto.
14817 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14819 (df_bb_modify): Realloc tables to the new index.
14820 (df_find_use): New function.
14821 * df.h (df_find_use): Declare.
14822 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14824 * cfgloop.h (struct rtx_iv): Remove analysed field.
14825 (iv_get_reaching_def): Removed.
14826 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14827 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14828 (loop-iv.o): Add df.h and hashtab.h dependency.
14829 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14831 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14834 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14836 (__floatundisf, __floatundidf): Likewise.
14837 * libgcc2.h (IS_IBM_EXTENDED): Define.
14839 2006-01-19 DJ Delorie <dj@redhat.com>
14841 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14843 2006-01-19 Paul Brook <paul@codesourcery.com>
14845 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14846 as nothrow when unwinding tables are disabled.
14848 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14851 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14852 of bit-field" when in system header.
14854 2006-01-19 DJ Delorie <dj@redhat.com>
14856 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14857 the 16 bit shift limit of the m16c.
14859 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14862 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14863 * config/i386/i386.c (output_set_got): Output the label if we have one
14864 for the TARGET_DEEP_BRANCH_PREDICTION case.
14866 2006-01-19 Jan Hubicka <jh@suse.cz>
14867 H.J. Lu <hongjiu.lu@intel.com>
14868 Evandro Menezes <evandro.menezes@amd.com>
14870 * invoke.texi (generic): Document
14872 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14873 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14874 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14875 (x86_use_incdec, x86_pad_returns): New variables
14876 (TARGET_CPU_DEFAULT_generic): New constant
14877 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14878 (enum processor_type): Add generic32 and generic64.
14879 * i386.md (cpu attribute): Add generic32/generic64
14880 (movhi splitter): Behave sanely when both partial_reg_dependency and
14881 partial_reg_stall are set.
14882 (K8 splitters): Enable for generic as well.
14883 * predicates.md (incdec_operand): Use TARGET_INCDEC
14884 (aligned_operand): Avoid memory mismatch stalls.
14885 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14886 * ppro.md: Enable for generic32
14887 * i386.c (generic64_cost, generic32_cost): New.
14888 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14889 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14890 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14891 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14892 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14893 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14894 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14895 x86_accumulate_outgoing_args, x86_prologue_using_move,
14896 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14897 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14898 Enable for generic.
14899 (x86_use_incdec, x86_pad_returns): New.
14900 (override_options): Add generic32 and generic64, translate "generic"
14901 to generic32/generic64 and "i686" to "generic32", refuse
14902 "generic32"/"generic64" as arch target.
14903 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14904 (ix86_reorg): Honor PAD_RETURNS.
14906 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14908 * tree-pretty-print.c (dump_generic_node): Handle
14909 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14910 * cgraph.c (cgraph_expand_queue): Rename from
14911 cgraph_analyze_queue. Update all users.
14912 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14913 cgraph_expand_queue.
14914 (cgraph_expand_all_functions): Likewise.
14915 (cgraph_finalize_pending_functions): Remove. Update callers.
14917 * tree.h (OMP_DIRECTIVE_P): Define.
14918 (OMP_PARALLEL_FN): Define.
14919 (OMP_PARALLEL_DATA_ARG): Define.
14920 (OMP_SECTIONS_SECTIONS): Define.
14921 * tree-pass.h (pass_expand_omp): Declare.
14922 * omp-low.c (struct omp_region): Declare.
14923 (struct omp_context): Remove fields 'parallel_type',
14924 'parallel_start_ix' and 'parallel_start_additional_args'.
14926 (struct omp_for_data): Rename from struct expand_omp_for_data.
14927 (omp_regions): New static variable.
14928 (root_omp_region): New static variable.
14929 (find_omp_clause): Make static.
14930 (is_in_combined_parallel_ctx): Remove.
14931 (is_combined_parallel): New.
14932 (extract_omp_for_data): Move earlier in the file.
14933 (workshare_safe_to_combine_p): New.
14934 (get_ws_args_for): New.
14935 (determine_parallel_type): Move earlier in the file.
14936 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14938 (omp_copy_decl): Likewise.
14939 (create_omp_child_function): Likewise.
14940 (lookup_omp_region): New.
14941 (dump_omp_region): New.
14942 (debug_omp_region): New.
14943 (debug_all_omp_regions): New.
14944 (new_omp_region): New.
14945 (scan_omp_parallel): If parallel_nesting_level > 1, the
14946 directive is nested within another parallel directive.
14947 Set OMP_PARALLEL_FN.
14948 (scan_omp_for): Do not try to handle combined parallel+for
14950 Remove FIXME comment.
14951 (scan_omp_nested): Remove.
14952 (scan_omp_1): Do not call scan_omp_nested when
14953 parallel_nesting_level is > 1.
14954 Do not change the DECL_CONTEXT of local variables found.
14955 (lookup_decl_in_outer_ctx): New.
14956 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14957 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14958 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14959 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14960 If CTX is nested, lookup VAR in the outer context when
14961 building copy assignment.
14962 (lower_send_clauses): Rename from expand_send_clauses.
14963 If CTX is nested, lookup VAR in the outer context when
14964 building copy assignments.
14965 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14966 If CTX is nested, lookup VAR in the outer context when
14967 building copy assignments.
14968 (expand_parallel_call): Rename from build_parallel_call.
14969 Handle combined parallel+workshare cases.
14970 Re-implement to emit code into the CFG.
14972 (expand_omp_parallel): Re-implement to emit code into the CFG.
14973 Call move_sese_region_to_fn to outline the sub-graph
14974 containing the parallel region.
14975 (expand_omp_for_1): Remove.
14976 (expand_omp_for_generic): Re-implement to emit code into the
14978 (expand_omp_for_static_nochunk): Likewise.
14979 (expand_omp_for_static_chunk): Likewise.
14980 (expand_omp_for): Likewise.
14981 (expand_omp_sections): Likewise.
14982 (remove_exit_barriers): New.
14983 (expand_omp_synch): New.
14985 (build_omp_regions_1): New.
14986 (build_omp_regions): New.
14987 (execute_expand_omp): New.
14988 (gate_expand_omp): New.
14989 (pass_expand_omp): Define.
14990 (lower_omp_sections): Rename from expand_omp_sections.
14991 Set OMP_SECTIONS_SECTIONS.
14992 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14993 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14994 (lower_omp_single): Rename from expand_omp_simple.
14995 (lower_omp_master): Rename from expand_omp_master.
14996 (lower_omp_ordered): Rename from expand_omp_ordered.
14997 (lower_omp_critical): Rename from expand_omp_critical.
14998 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14999 (lower_omp_for): Re-implement.
15000 (lower_omp_parallel): Re-implement.
15001 (lower_regimplify): Rename from expand_regimplify.
15002 (lower_omp_1): Rename from expand_omp_1.
15003 If there are syntax errors in the program, replace every
15004 OpenMP directive with NOP.
15005 Call lower_omp_* instead of expand_omp_*.
15006 (lower_omp): Rename from expand_omp.
15008 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15009 * tree-gimple.h (enum omp_parallel_type): Remove.
15010 (gimple_boolify): Declare extern.
15011 (find_omp_clause, determine_parallel_type): Remove.
15013 * gimple-low.c (lower_omp_directive): New.
15014 (lower_stmt): Call it.
15015 (record_vars_into): Move from ...
15016 (record_vars): ... here.
15017 Call record_vars_into with current_function_decl.
15019 * gimplify.c (struct gimplify_ctx): Remove fields
15020 combined_pre_p and combined_ctxp. Update users.
15021 (get_formal_tmp_var): Add documentation.
15022 (gimple_boolify): Make extern.
15023 (gimplify_expr_in_ctx): Remove. Update callers.
15024 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15025 will always be a BIND_EXPR.
15026 (gimplify_expr): Handle OMP_RETURN_EXPR.
15027 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15028 (OMP_PARALLEL): Add 3 operands.
15029 (OMP_SECTIONS): Add 1 operand.
15030 (OMP_RETURN_EXPR): Define.
15032 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15033 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15034 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15035 creating a circular free list.
15036 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15038 * tree-flow.h (move_sese_region_to_fn): Declare.
15039 (record_vars_into): Declare.
15040 * tree-cfg.c (make_omp_sections_edges): New.
15041 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15042 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15043 OMP_SECTIONS and OMP_SECTION.
15044 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15045 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15046 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15047 (gather_blocks_in_sese_region): New.
15048 (struct move_stmt_d): Declare.
15049 (move_stmt_r): New.
15050 (move_block_to_fn): New.
15051 (move_sese_region_to_fn): New.
15053 * passes.c (init_optimization_passes): Schedule
15054 pass_expand_omp after pass_init_datastructures.
15056 * tree-ssa-operands.c (get_expr_operands): Handle
15057 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15058 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15060 2006-01-19 Jeff Law <law@redhat.com>
15062 * tree-vrp.c (extract_range_from_assert): Refine the result range
15063 if the variable referenced by the ASSERT_EXPR has a range and
15064 either the tentative result range or the previous range is a
15067 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15069 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15071 2006-01-19 Jan Hubicka <jh@suse.cz>
15073 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15075 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15077 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15078 (expand_compound_operation, expand_field_assignment): Fail if the
15079 bit lengths of an extract operation are out of range.
15080 (make_extraction): Compute wanted_inner_mode based on the position
15081 and length of the extraction. Make it extraction_mode for non-constant
15082 positions, and do not modify offset in that case. When generating a
15083 new MEM, use a mode that can hold the extraction while keeping correct
15084 alignment. Remove code that supported MEMs wrapped by USEs.
15085 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15087 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15089 * config/s390/s390.md ("Y", "y"): New mode attribute.
15090 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15091 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15092 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15093 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15094 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15095 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15096 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15097 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15098 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15099 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15100 "addsi3", "subsi3"): Insn patterns removed.
15101 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15102 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15103 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15104 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15105 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15106 "*sub<mode>3_cconly2"): New insn patterns.
15107 ("addsi3", "subsi3"): New expanders.
15109 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15111 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15112 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15113 existing STMT_VINFO_VECTYPE if available.
15114 (vect_mark_relevant): Add special handling for stmts that are
15115 marked as STMT_VINFO_IN_PATTERN_P.
15116 (vect_analyze_loop): Call vect_pattern_recog.
15117 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15118 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15120 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15121 (vect_recog_func_ptr): New function-pointer type.
15122 * tree-vect-patterns.c: New file.
15123 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15124 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15125 (vect_pattern_recog_1): New functions.
15126 (vect_pattern_recog_funcs): New array of function pointers.
15128 * tree-vectorizer.h (ternary_op): New enum value.
15129 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15130 declaration. Revised documentation. Removed redundant dump prints.
15131 Removed redundant argument. Added support for reduction patterns.
15132 (vectorizable_reduction): Added support for reduction patterns.
15133 (vect_transform_stmt): Added support for patterns.
15135 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15136 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15137 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15138 (expand_widen_pattern_expr): New function.
15139 (init_optabs): Initialize new optabs udot_prod_optab,
15141 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15142 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15143 (expand_widen_pattern_expr): New function declaration.
15144 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15146 * tree-inline.c (estimate_num_insns_1): Added cases for new
15147 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15148 * tree-pretty-print.c (dump_generic_node): Likewise.
15149 (op_prio): Likewise.
15150 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15151 * tree-ssa-operands.c (get_expr_operands): Added case for
15153 * tree-vect-patterns.c (widened_name_p): New function.
15154 (vect_recog_dot_prod_pattern): Added function implementation.
15155 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15156 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15157 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15158 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15160 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15161 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15162 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15163 (init_optabs): Initialize new optabs widen_ssum_optab,
15165 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15166 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15167 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15168 use instead of type of def.
15169 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15170 function implementation.
15171 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15172 widen_ssumv8hi): New.
15174 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15177 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15180 * c-decl.c (add_flexible_array_elts_to_size): New function.
15181 (finish_decl): Use it.
15183 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15185 * diagnostic.h: Include options.h.
15186 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15187 dependancies for diagnostic.h.
15188 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15190 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15192 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15193 (ssa_ro_call_cache_valid): Ditto.
15194 * tree-ssa-alias.c (sort_tags_by_id): New function.
15195 (init_transitive_clobber_worklist): Ditto.
15196 (add_to_worklist): Ditto.
15197 (mark_aliases_call_clobbered): Ditto.
15198 (compute_tag_properties): Ditto.
15199 (set_initial_properties): Ditto.
15200 (compute_call_clobbered): Ditto.
15201 (compute_may_aliases): Call compute_call_clobbered and grouping.
15202 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15203 (compute_flow_insensitive_aliasing): Grouping now happens in our
15205 (setup_pointers_and_addressables): Remove clobbering related code.
15206 (add_may_alias): Ditto.
15207 (replace_may_alias): Ditto.
15208 (get_nmt_for): Ditto.
15209 (create_global_var):
15210 (is_escape_site): Return an escape_type enumeration.
15211 * tree-flow-inline.h (is_call_clobbered): Global var does not
15212 imply call clobbered.
15213 (mark_call_clobbered): Take a reason for marking this. Remove
15214 marking of globalness, and cache invalidation.
15215 (clear_call_clobbered): Remove cache invalidation code.
15216 * tree-dfa.c (dump_variable): If details is on, dump the reason
15218 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15220 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15221 (struct var_ann_d): Ditto.
15222 (enum escape_type): New.
15223 (mark_call_clobbered): Adjust prototype.
15224 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15225 are never call clobbered.
15226 Record reasons for escaping.
15227 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15228 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15229 (ssa_ro_call_cache_valid): Ditto.
15230 (clobbered_v_may_defs): Ditto.
15231 (clobbered_vuses): Ditto.
15232 (ro_call_vuses): Ditto.
15233 (clobber_stats): New.
15234 (init_ssa_operands): Zero out clobber stats.
15235 (fini_ssa_operands): Print out clobber stats.
15236 (get_call_expr_operands): Pass callee fndecl to
15237 add_call_read_ops).
15238 (add_call_clobber_ops): Remove use of cache.
15239 Add use of PURE_CONST information.
15240 (add_call_read_ops): Remove use of cache.
15241 Add use of static not_read information.
15243 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15245 Introduce TLS descriptors for i386 and x86_64.
15246 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15247 (TARGET_ANY_GNU_TLS): New macro.
15248 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15249 (struct machine_function): Add tls_descriptor_call_expanded_p.
15250 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15251 (ix86_current_function_calls_tls_descriptor): Likewise.
15252 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15253 (override_options): Introduce gnu2 tls dialect.
15254 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15256 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15258 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15259 (ix86_init_machine_status): Initialize new field.
15260 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15261 (ix86_tls_module_base): New.
15262 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15263 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15264 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15265 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15266 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15267 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15268 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15269 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15270 * config/i386/predicates.md (tls_modbase_operand): New.
15271 (tp_or_register_operand): New.
15273 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15275 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15276 (look_for_address_of): Ditto.
15277 (ipa_init): Walk the function decls.
15278 (static_execute): Don't set readonly on FUNCTION_DECL's.
15280 2006-01-18 Roger Sayle <roger@eyesopen.com>
15282 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15283 for shifts where the source and destination registers are different.
15285 2006-01-18 Paul Brook <paul@codesourcery.com>
15287 Merge from csl-arm-branch.
15288 2005-03-14 Julian Brown <julian@codesourcery.com>
15289 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15290 (aeabi_llsl): Likewise.
15291 (ashrdi3): Likewise.
15292 (aeabi_lasr): Likewise.
15293 (lshrdi3): Likewise.
15294 (aeabi_llsr): Likewise.
15295 2005-03-10 Julian Brown <julian@codesourcery.com>
15296 * config.gcc: Disable shared libgcc for SymbianOS.
15297 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15299 2006-01-18 DJ Delorie <dj@redhat.com>
15301 * c-pragma.c (handle_pragma_diagnostic): New.
15302 (init_pragma): Register it.
15303 * doc/extend.texi: Document it.
15305 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15306 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15307 (diagnostic_context): Add classify_diagnostic[].
15308 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15309 as errors if they're overridden to DK_WARNING.
15310 (diagnostic_initialize): Initialize classify_diagnostic[].
15311 (diagnostic_set_kind_override): New.
15312 (diagnostic_report_diagnostic): Check for kind changes.
15313 * opts.c (common_handle_option): Take lang_mask. Update callers.
15314 Handle OPT_Werror_.
15315 * common.opt (Werror=): New.
15316 * doc/invoke.texi: Document -Werror=*
15318 2006-01-18 Jeff Law <law@redhat.com>
15320 * tree-vrp.c (test_for_singularity): Correct test for new
15321 min limit. Use operand_equal_p rather than pointer equality
15322 for testing if new min/max values are equal.
15324 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15325 using range information until after propagation and folding.
15327 2006-01-18 Richard Henderson <rth@redhat.com>
15328 Aldy Hernandez <aldyh@redhat.com>
15329 Jakub Jelinek <jakub@redhat.com>
15330 Diego Novillo <dnovillo@redhat.com>
15332 * omp-low.c: New file.
15333 * c-omp.c: New file.
15335 2006-01-18 Richard Henderson <rth@redhat.com>
15336 Jakub Jelinek <jakub@redhat.com>
15337 Diego Novillo <dnovillo@redhat.com>
15339 * doc/invoke.texi: Document -fopenmp.
15340 * tree-dump.h (debug_function): Declare.
15341 * hooks.c (hook_bool_tree_bool_false): New function.
15342 (hook_tree_tree_null): Remove.
15343 (hook_tree_tree_tree_null): New.
15344 * hooks.h: Update to match.
15345 * tree-pretty-print.c (debug_tree_chain): New.
15346 (print_generic_expr): Handle TDF_CHAIN.
15347 (dump_generic_node): Handle BLOCK.
15348 Do not abort with incomplete SWITCH_EXPRs.
15349 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15350 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15351 print space after directive name.
15352 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15353 Handle OMP_MASTER and OMP_ORDERED.
15354 Handle printing of OMP_BODY just in one place, goto
15355 dump_omp_body in the rest of OMP_* nodes that have
15357 Don't handle clause nodes here. Update omp statements to
15358 use dump_omp_clauses.
15359 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15360 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15361 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15362 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15363 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15364 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15365 Adjust output for GOMP_PARALLEL.
15366 (dump_omp_clauses): New.
15367 (print_declaration): Dump DECL_VALUE_EXPR.
15368 (op_symbol_1): Split out of op_symbol.
15369 (dumping_stmts): Remove. Update all users.
15370 * cgraph.c (cgraph_analyze_queue): New.
15371 (cgraph_add_new_function): New.
15372 * cgraph.h (cgraph_analyze_queue): Declare.
15373 (cgraph_add_new_function): Declare.
15374 (cgraph_lower_function): Remove.
15375 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15376 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15377 and TYPE_P nodes in its default clause.
15378 (empty_body_p): New.
15379 (tree_range_check_failed): New.
15380 (build5_stat): New.
15381 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15382 OMP_CLAUSE_REDUCTION_MERGE,
15383 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15384 OMP_CLAUSE_PRIVATE_DEBUG,
15385 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15386 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15387 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15388 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15389 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15390 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15391 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15392 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15393 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15394 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15395 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15396 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15397 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15398 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15399 (TREE_RANGE_CHECK): New.
15400 (empty_body_p): Declare.
15401 (enum omp_clause_default_kind): New.
15402 (build_string_literal): Declare.
15403 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15404 (build5_stat, build5): Declare.
15405 * tree-pass.h (TDF_CHAIN): Define.
15406 * tree-pass.h (PROP_gimple_lomp): Define.
15407 (pass_lower_omp): Declare.
15408 * diagnostic.h (debug_tree_chain): Declare.
15409 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15411 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15412 * builtins.c (build_string_literal): Make extern.
15413 * gcc.c (include_spec_function): New.
15414 (static_spec_functions): Add it.
15415 (main): Move load of libgomp.spec ...
15416 (LINK_COMMAND_SPEC): ... here.
15417 (link_gomp_spec): New.
15418 (static_specs): Include it.
15419 (LINK_COMMAND_SPEC): Add link_gomp.
15420 (GOMP_SELF_SPECS): New.
15421 (driver_self_specs): Include it.
15422 (switch_matches): Don't mark inline.
15423 (main): Load libgomp.spec.
15424 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15425 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15426 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15427 * tree-gimple.h (enum omp_parallel): Declare.
15428 (determine_parallel_type): Declare.
15429 (omp_firstprivatize_variable): Declare.
15430 (omp_reduction_init): Declare.
15431 (diagnose_omp_structured_block_errors): Declare.
15432 (struct walk_stmt_info): Add want_return_expr.
15433 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15434 (find_omp_clause): Declare.
15435 (insert_field_into_struct): Declare.
15436 (struct walk_stmt_info): Move from tree-nested.c
15437 (walk_stmts): Declare.
15438 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15440 * cgraphunit.c (cgraph_lower_function): Make static.
15441 (cgraph_finalize_pending_functions): New.
15442 (cgraph_finalize_function): Call it.
15443 (cgraph_finalize_compilation_unit): Likewise.
15444 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15445 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15446 (BT_FN_UINT_UINT): New.
15447 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15448 DEF_FUNCTION_TYPE_VAR_4): Document.
15449 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15450 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15451 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15452 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15453 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15454 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15455 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15456 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15457 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15458 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15459 into separate files.
15460 (DEF_GOMP_BUILTIN): New.
15461 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15462 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15463 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15464 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15465 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15466 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15467 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15468 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15469 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15470 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15471 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15472 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15473 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15474 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15475 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15476 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15477 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15478 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15479 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15480 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15481 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15482 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15483 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15484 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15485 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15486 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15487 * sync-builtins.def: New file, moved from builtins.def.
15488 * omp-builtins.def: New file, moved from builtins.def.
15489 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15490 * gimple-low.c (lower_function_body): Clear data.
15491 (lower_stmt): Do not handle COMPOUND_EXPR.
15492 Remove call to print_node_brief.
15493 * c-tree.h (c_finish_omp_clauses): New prototype.
15494 (C_DECL_THREADPRIVATE_P): Define.
15495 (lookup_name_no_remap, c_omp_remap_private): Remove
15496 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15497 (check_for_loop_decls): Update decl.
15498 (lookup_name_no_remap, c_omp_remap_private): Declare.
15499 (build_indirect_ref, build_modify_expr, pushdecl,
15500 pushdecl_top_level): Move to c-common.h.
15501 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15502 before the switch, but just in the 2 places that need it.
15503 * c-decl.c (diagnose_mismatched_decls): Do not check for
15504 mismatched thread-local attributes when OLDDECL is marked
15505 threadprivate and NEWDECL has no thread-local attributes.
15506 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15507 (c_gimple_diagnostics_recursively): Rename from
15508 c_warn_unused_result_recursively. Invoke
15509 diagnose_omp_structured_block_errors.
15510 (check_for_loop_decls): Return a singular decl found.
15511 * langhooks.c (lhd_omp_predetermined_sharing): Return
15512 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15513 (lhd_omp_firstprivatize_type_sizes): New.
15514 (lhd_omp_assignment): New.
15515 (lhd_omp_predetermined_sharing): New.
15516 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15517 (struct lang_hooks_for_types): Add
15518 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15519 omp_predetermined_sharing, omp_disregard_value_expr,
15520 omp_private_debug_clause, omp_clause_default_ctor,
15521 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15522 (c_finish_omp_clauses): New.
15523 (c_finish_bc_stmt): Diagnose break within omp for.
15524 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15525 (build_unary_op): Return error_mark after reporting
15527 (build_modify_expr): Likewise.
15528 * gimplify.c: Include optabs.h and pointer-set.h.
15529 (enum gimplify_omp_var_data): Declare.
15530 (struct gimplify_omp_ctx): Declare.
15531 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15533 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15534 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15535 (splay_tree_compare_decl_uid): New.
15536 (new_omp_context): New.
15537 (delete_omp_context): New.
15538 (gimple_add_tmp_var): Call omp_add_variable.
15539 (gimplify_bind_expr): Likewise.
15540 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15541 true, disregard DECL_VALUE_EXPR on the decl if any.
15542 (gimplify_expr_in_ctx): New.
15543 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15544 omp_add_variable, omp_notice_variable, omp_is_private
15545 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15546 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15547 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15548 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15549 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15550 gimplify_omp_atomic): New.
15551 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15552 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15553 OMP_CRITICAL and OMP_ATOMIC.
15554 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15555 * c-pragma.h (enum pragma_kind): Add
15556 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15557 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15558 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15559 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15560 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15561 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15562 PRAGMA_OMP_THREADPRIVATE.
15563 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15564 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15565 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15566 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15567 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15568 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15569 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15570 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15571 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15572 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15573 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15574 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15575 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15577 (struct nesting_info): Add field_map,
15578 suppress_expansion, debug_var_chain.
15579 (create_nesting_tree): Initialize them.
15580 (lookup_field_for_decl): Use field_map.
15581 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15582 (convert_local_omp_clauses): New.
15583 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15584 (walk_body): Split out of walk_function.
15585 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15586 (convert_nonlocal_reference): Handle omp statements.
15587 (convert_local_reference): Likewise.
15588 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15589 (unnest_nesting_tree): New.
15590 (lower_nested_functions): Call it.
15591 (insert_field_into_struct): Make extern.
15592 (struct walk_stmt_info): Move to tree-gimple.h.
15593 (walk_stmts): Make extern.
15594 * omp-builtins.def: New file.
15595 * tree-iterator.c (expr_only): Clarify comment.
15596 * c-common.h (pushdecl_top_level, pushdecl,
15597 build_modify_expr, build_indirect_ref,
15598 c_finish_omp_master, c_finish_omp_critical,
15599 c_finish_omp_ordered, c_finish_omp_barrier,
15600 c_finish_omp_atomic, c_finish_omp_flush,
15601 c_finish_omp_for, c_split_parallel_clauses,
15602 omp_clause_default_kind, c_omp_sharing_predetermined,
15603 c_omp_remap_decl): Declare.
15604 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15605 (OBJS-common): Add omp-low.o.
15606 (c-omp.o, omp-low.o): Add.
15607 (gimplify.o): Add dependency on $(OPTABS_H).
15608 (GTFILES): Add omp-low.c.
15609 (gt-stringpool.h): Add.
15610 * tree-cfg.c (set_bb_for_stmt): Do not update the
15611 block-to-labels map if we are currently expanding to RTL.
15612 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15614 Handle IDENTIFIER_NODE.
15615 (tree_verify_flow_info): Do not ICE when emitting error
15616 messages about invalid labels.
15617 (dump_function_to_file): Reset CFUN before emitting the body
15619 (debug_function): New.
15620 * passes.c (init_optimization_passes): Schedule
15622 * langhooks-def.h (lhd_omp_predetermined_sharing,
15623 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15625 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15626 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15627 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15628 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15629 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15630 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15631 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15632 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15633 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15634 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15635 (LANG_HOOK_DECLS): Use them.
15637 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15638 Richard Henderson <rth@redhat.com>
15639 Jakub Jelinek <jakub@redhat.com>
15640 Diego Novillo <dnovillo@redhat.com>
15642 * c-parser.c (pragma_omp_clause): Define.
15643 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15644 (c_parser_compound_statement): Likewise.
15645 (c_parser_statement): Likewise.
15646 (c_parser_pragma): Handle omp pragmas.
15647 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15648 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15649 (c_parser_omp_clause_name, check_no_duplicate_clause,
15650 c_parser_omp_variable_list,
15651 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15652 c_parser_omp_clause_copyprivate,
15653 c_parser_omp_clause_default,
15654 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15655 c_parser_omp_clause_lastprivate,
15656 c_parser_omp_clause_nowait,
15657 c_parser_omp_clause_num_threads,
15658 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15659 c_parser_omp_clause_reduction,
15660 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15661 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15662 c_parser_omp_atomic, c_parser_omp_barrier,
15663 c_parser_omp_critical, c_parser_omp_flush,
15664 c_parser_omp_for_loop, c_parser_omp_for,
15665 c_parser_omp_master, c_parser_omp_ordered,
15666 c_parser_omp_sections_scope, c_parser_omp_sections,
15667 c_parser_omp_parallel, c_parser_omp_single,
15668 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15669 * c-pragma.c (init_pragma): Do omp pragma registration here.
15670 * c.opt (fopenmp): New flag.
15672 2006-01-18 Eric Christopher <echristo@apple.com>
15674 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15675 * config/darwin.h (GOMP_SELF_SPECS): Define.
15677 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15679 * rtl.h: Remove the prototype for reg_alloc.
15681 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15684 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15685 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15686 sjlj and dwarf2 exception handling.
15687 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15688 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15689 * pa/pa.c (function_value): Treat complex and vector types as
15691 (function_arg): Likewise. Only pass scalar floats in the floating
15692 point argument registers.
15693 * pa/t-slibgcc-dwarf-ver: New file.
15694 * pa/t-slibgcc-sjlj-ver: New file.
15695 * pa/t-slibgcc-elf-ver: Delete file.
15697 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15699 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15700 unlikely_test_section_p test.
15702 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15704 * mode-switching.c (optimize_mode_switching): Make it static.
15705 * basic-block.h: Remove the prototype for
15706 optimize_mode_switching.
15708 * modulo-sched.c (sms_schedule): Make it static.
15709 * rtl.h: Remove the prototype for sms_schedule.
15711 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15712 * rtl.h: Remove the prototype for gcse_after_reload_main.
15714 * reg-stack.c (reg_to_stack): Make it static.
15715 * rtl.h: Remove the prototype for reg_to_stack.
15717 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15719 * rtl.h: Remove the prototypes for regrename_optimize and
15720 copyprop_hardreg_forward.
15722 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15724 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15725 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15726 Test against the appropriate null constant for the mode.
15727 If 'fixup_overlap' is true, swap the operands if they overlap.
15728 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15729 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15730 alpha_split_tmode_pair and adjust for above change.
15731 * config/alpha/alpha.md (movtf_internal): Adjust call to
15732 alpha_split_tfmode_pair and rely on it to swap the operands.
15733 (movti_internal): New insn and post-reload splitter.
15734 (movti): New expander.
15736 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15738 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15741 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15743 * rtlanal.c (global_reg_mentioned_p_1,
15744 global_reg_mentioned_p): Remove.
15745 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15747 * flow.c (initialize_uninitialized_subregs): Make it static.
15748 * rtl.h: Remove the prototype for
15749 initialize_uninitialized_subregs.
15751 * function.c (instantiate_virtual_regs): Make it static.
15752 * function.h: Remove the prototype for
15753 instantiate_virtual_regs.
15755 * regmove.c (regmove_optimize, combine_stack_adjustments):
15757 * rtl.h: Remove the prototypes for regmove_optimize and
15758 combine_stack_adjustments.
15760 2006-01-17 Roger Sayle <roger@eyesopen.com>
15762 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15763 (size_cost): Encode costs in bytes so that a reg-reg addition is
15764 equivalent to COSTS_N_INSNS(1).
15765 (override_options): Use the size_cost.branch_cost as the default
15766 ix86_branch_cost when optimizing for size.
15768 2006-01-18 Ben Elliston <bje@au.ibm.com>
15770 * Makefile.in (D32PBIT_FUNCS): New.
15771 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15772 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15773 D64PBIT_FUNCS and D128PBIT_FUNCS.
15774 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15775 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15777 (decnumber_dep): Define.
15778 * doc/libgcc.texi (Decimal float library routines): New node.
15779 * config/dfp-bit.h, config/dfp-bit.c: New files.
15781 2006-01-18 Ben Elliston <bje@au.ibm.com>
15783 * expr.c (emit_move_change_mode): Always adjust addresses, not
15784 just during reload. Copy replacements only during reload.
15785 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15786 emit_move_via_integer.
15788 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15790 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15791 instead of $(srcdir) and ${srcdir}.
15793 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15796 PR middle-end/11135
15797 * arm.h (struct machine_function): Add pic_reg.
15798 * arm.c (arm_pic_register): Make unsigned.
15799 (arm_override_options): Only set arm_pic_register if
15800 TARGET_SINGLE_PIC_BASE.
15801 (use_return_insn): Only test for a pic register if it is fixed.
15802 (arm_compute_save_reg0_reg12_mask): Likewise.
15803 (thumb_compute_save_reg_mask): Likewise.
15804 (legitimate_pic_operand): Factor out some known invariants.
15805 (legitimize_pic_address): If we don't have a fixed pic register,
15806 then set up a pseudo in the function entry sequence. Handle the
15807 pic base being in a pseudo.
15808 (arm_load_pic_register): Handle the pic register being in a pseudo.
15809 (arm_expand_prologue): Only set up the pic register if it is fixed.
15810 (thumb_expand_prologue): Likewise.
15811 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15812 (pic_load_addr_based_insn): Likewise.
15813 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15816 2006-01-18 Ben Elliston <bje@au.ibm.com>
15818 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15819 decimal float modes for all floating point registers.
15821 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15822 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15824 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15827 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15828 even when the pointer is not NULL.
15830 2006-01-16 Ian Lance Taylor <ian@airs.com>
15832 * common.opt (ftoplevel-reorder): New option.
15833 * cgraph.c (cgraph_asm_nodes): New global variable.
15834 (cgraph_asm_last_node): New static variable.
15835 (cgraph_order): New global variable.
15836 (cgraph_create_node): Set new order field.
15837 (cgraph_varpool_node): Likewise.
15838 (decide_is_variable_needed): Return true if not
15839 flag_toplevel_reorder.
15840 (cgraph_add_asm_node): New function.
15841 * cgraph.h (struct cgraph_node): Add order field.
15842 (struct cgraph_varpool_node): Add order field.
15843 (struct cgraph_asm_node): Define.
15844 (cgraph_asm_nodes, cgraph_order): Declare.
15845 (cgraph_add_asm_node): Declare.
15846 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15848 (cgraph_varpool_assemble_pending_decls): Call it.
15849 (cgraph_output_pending_asms): New static function.
15850 (cgraph_finalize_compilation_unit): Call it.
15851 (struct cgraph_order_sort): Define.
15852 (cgraph_output_in_order): New static function.
15853 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15854 !flag_toplevel_reorder case.
15855 * c-parser.c: Include "cgraph.h".
15856 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15858 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15859 than -fno-unit-at-a-time.
15860 * doc/invoke.texi (Option Summary): Mention
15861 -fno-toplevel-reorder.
15862 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15863 -funit-at-a-time documentation.
15865 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15866 Kazu Hirata <kazu@codesourcery.com>
15868 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15870 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15872 * Makefile.in (FUNCTION_H): New. Use it instead of
15873 function.h throughout the file.
15874 * function.h: Include tree.h.
15876 2006-01-17 Ben Elliston <bje@au.ibm.com>
15878 * recog.c: Separate some functions with whitespace.
15880 2006-01-16 Richard Henderson <rth@redhat.com>
15882 Merge from gomp branch:
15883 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15884 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15885 and rename from struct inline_data. Rename callee* to dst*;
15886 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15887 transform_new_cfg, transform_return_to_modify, and
15888 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15890 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15891 (copy_decl_for_dup): Remove.
15892 * tree-inline.c (struct inline_data): Move to header.
15893 (insert_decl_map): Export.
15894 (remap_decl): Update for member name changes. Use copy_decl hook.
15895 Allow for replacement to be a non-decl. Remove dead code.
15896 (remap_type_1): Check for existing mapping.
15897 (remap_type): Export.
15898 (remap_decls): Update for member name changes.
15899 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15900 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15901 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15902 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15903 (tree_function_versioning, build_duplicate_type): Likewise.
15904 (copy_body_r): Likewise. Export.
15905 (copy_decl_for_dup): Split into ...
15906 (copy_decl_for_dup_finish, copy_decl_to_var,
15907 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15908 (replace_ref_tree, inlining_p): Remove.
15910 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15912 * ifcvt.c (if_convert): Make it static.
15913 * rtl.h: Remove the prototype for if_convert.
15915 * local-alloc.c (local_alloc): Make it static.
15916 * rtl.h: Remove the prototype for local_alloc.
15918 * loop.c (loop_optimize): Make it static.
15919 * cfgloop.h: Remove the prototype for loop_optimize.
15922 2006-01-16 DJ Delorie <dj@redhat.com>
15924 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15927 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15929 * pa.md: Disparage copies between general and floating-point registers
15930 in 32-bit move patterns.
15932 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15935 * Makefile.in (check-%): Depend on site.exp instead of
15936 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15939 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15941 * global.c (global_alloc): Make it static.
15942 * rtl.h: Remove the prototype for global_alloc.
15944 2006-01-16 Richard Guenther <rguenther@suse.de>
15946 * tree-ssa-alias.c (struct used_part): Add write_only field.
15947 (get_or_create_used_part_for): Initialize it to true.
15948 (create_overlap_variables_for): Don't create structure variables
15949 for structures that only are written to.
15950 (find_used_portions): Handle MODIFY_EXPR to track whether a
15951 structure is only written to.
15953 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15955 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15957 * basic-block.h: Remove the prototype for
15958 partition_hot_cold_basic_blocks.
15960 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15962 * cppspec.c (lang_specific_spec_functions): Remove.
15963 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15964 * gcc.h (lang_specific_spec_functions): Remove.
15965 * gccspec.c (lang_specific_spec_functions): Remove.
15967 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15969 * combine.c (record_value_for_reg): Invalidate registers
15971 (record_dead_and_set_regs_1): Likewise, by passing them to
15972 record_value_for_reg.
15973 (record_dead_and_set_regs): Invalidate stores made by a
15974 call. We do not combine across a call, but we still
15975 relied on equivalences.
15977 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15979 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15980 vrp_int_const_binop returning non-constant nodes.
15982 2006-01-16 Paul Brook <paul@codesourcery.com>
15984 * config/m68k/m68k.c (output_move_const_into_data_reg):
15985 Output correct mnemonic for mvz and mvs.
15987 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15989 * rtl-factoring.c: Add sequence abstraction algorithm.
15990 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15991 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15993 (block_has_preserve_label): New function.
15994 * common.opt: Register new pass.
15995 * Makefile.in: Ditto.
15997 * timevar.def: Ditto.
15998 * tree-pass.h: Ditto.
15999 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16000 * rtl.h (make_jump_insn_raw): Add forward decl.
16001 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16003 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16004 Roger Sayle <roger@eyesopen.com>
16006 * fold-const.c (fold_minmax): New static function.
16007 (fold_binary) <MIN_EXPR>: Call it.
16008 <MAX_EXPR>: Likewise.
16009 * stor-layout.c (place_field): Use DECL_SIZE consistently
16010 in the computation of the new record size.
16012 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16014 * cse.c (cse_condition_code_reg): Make it static.
16015 * rtl.h: Remove the prototype for cse_condition_code_reg.
16017 * combine.c (combine_instructions): Make it static.
16018 * rtl.h: Remove the prototype for combine_instructions.
16020 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16023 * tree.c (get_file_function_name_long): Concatenate the first global
16024 object name with a string derived from the input filename of the object
16027 2006-01-16 Ben Elliston <bje@au.ibm.com>
16029 * config/i386/winnt-stubs.c: Update FSF address.
16030 * config/xtensa/ieee754-df.S: Ditto.
16031 * config/xtensa/ieee754-sf.S: Ditto.
16033 2006-01-14 Ian Lance Taylor <ian@airs.com>
16035 * ifcvt.c (noce_init_if_info): New static function, broken out of
16036 noce_process_if_block.
16037 (noce_process_if_block): Call noce_init_if_info.
16038 (check_cond_move_block): New static function.
16039 (cond_move_process_if_block): New static function.
16040 (process_if_block): Call cond_move_process_if_block.
16042 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16044 * cselib.c (hash_table): Rename to cselib_hash_table.
16045 (cselib_clear_table, discard_useless_values,
16046 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16047 cselib_init, cselib_finish): Adjust uses of hash_table.
16049 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16051 PR tree-optimization/25485
16052 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16053 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16054 is known to be false and true, respectively.
16056 2006-01-14 Richard Guenther <rguenther@suse.de>
16058 PR tree-optimization/22548
16059 PR tree-optimization/22555
16060 PR tree-optimization/22501
16061 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16062 * params.def (salias-max-array-elements): New parameter.
16063 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16064 * doc/invoke.texi (salias-max-array-elements): Document.
16065 * tree-flow-inline.h (var_can_have_subvars): We also handle
16067 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16069 * tree-ssa-structalias.c (params.h): Include.
16070 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16071 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16072 (get_constraint_for): For ADDR_EXPR operating on something
16073 containing an ARRAY_REF, add all subvars to the solution.
16074 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16075 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16076 for creating MUST_DEFs.
16077 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16079 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16081 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16083 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16084 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16085 number_of_iterations_le): New functions.
16086 (number_of_iterations_special): Removed.
16087 (number_of_iterations_exit): Do not use number_of_iterations_special.
16088 * tree.c (unsigned_type_for): Always return integer type.
16090 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16091 Richard Guenther <rguenther@suse.de>
16093 PR rtl-optimization/24257
16094 * gcse.c (find_moveable_store): Only consider a store movable
16095 when the SET_SRC of the insn can be assigned to a register.
16097 2006-01-14 Ian Lance Taylor <ian@airs.com>
16099 * tree.c (tree_not_class_check_failed): New function.
16100 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16101 (tree_not_class_check_failed): Declare.
16103 2006-01-13 Ian Lance Taylor <ian@airs.com>
16105 * reload1.c (do_output_reload): Add assertion rejecting a
16108 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16110 * combine.c (struct reg_stat): Add new fields truncation_label and
16112 (record_value_for_reg): Reset truncated_to_mode.
16113 (record_truncated_value): New function.
16114 (check_promoted_subreg): Call it. Rename to check_conversions.
16115 (combine_instructions): Rename check_promoted_subreg to
16117 (reg_truncated_to_mode): New function.
16118 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16119 (gen_lowpart_or_truncate): New function.
16120 (force_to_mode): Use it instead of gen_lowpart.
16122 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16124 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16125 VAR is a tag, not its type tag.
16127 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16129 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16130 alternatives to match style of other entries.
16131 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16133 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16135 PR tree-optimization/25771
16136 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16139 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16142 * tree-inline.c (declare_return_variable): If the return variable
16143 was marked as a non gimple complex, set the return slot variable
16144 to be a non gimple comple variable.
16146 2006-01-13 Richard Guenther <rguenther@suse.de>
16148 * builtins.c (expand_builtin_sincos): New function.
16149 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16151 (expand_builtin): Expand sincos using expand_builtin_sincos.
16153 2006-01-12 DJ Delorie <dj@redhat.com>
16155 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16156 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16157 so that constant shifts can be split.
16158 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16159 (m32c_valid_pointer_mode): Make static.
16160 (shift_gen_func_for): New.
16161 (m32c_prepare_shift): Use it. Split large const shifts into
16163 * config/m32c/predicates.md (shiftcount_operand): Allow more
16165 (longshiftcount_operand): New.
16166 * doc/md.texi (Machine Constraints): Document In6.
16168 2006-01-13 Ben Elliston <bje@au.ibm.com>
16170 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16171 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16174 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16176 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16177 to try to avoid clobbering pieces of structures when we know
16178 something about the whole structure.
16179 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16181 2006-01-13 Ben Elliston <bje@au.ibm.com>
16183 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16184 return in memory, as this is no limitation is no longer present.
16186 2006-01-12 DJ Delorie <dj@redhat.com>
16188 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16189 mova with fb, and for fb+0 -> An.
16191 * config/m32c/mov.md (peephole2): Fix enabling logic.
16193 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16194 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16195 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16196 FINI_ARRAY_SECTION_ASM_OP): Define.
16198 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16200 (m32c_legitimize_reload_address): New logic to reload FB to An.
16201 (m32c_output_reg_push): Add newline.
16202 (m32c_output_reg_pop): Likewise.
16204 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16206 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16208 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16210 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16212 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16214 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16217 2006-01-11 Ben Elliston <bje@au.ibm.com>
16219 * rtlanal.c (find_reg_note): Assert insn is not null.
16221 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16223 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16226 2006-01-11 Jeff Law <law@redhat.com>
16228 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16230 (mark_threaded_blocks, register_jump_thread): New functions.
16231 (thread_through_all_blocks): Remove unwanted argument. No
16232 longer rely on e->aux to communicate thread target info.
16233 Call mark_threaded_blocks. Release the threaded_blocks
16234 bitmap and threaded_edges vector when complete.
16235 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16236 (threaded_blocks): Remove.
16237 (tree_ssa_dominator_optimize): Remove initialization and
16238 finalization of threaded_blocks. Simplify call to
16239 thread_through_all_blocks.
16240 (thread_across_edge): Call register_jump_thread rather than
16241 storing thread information into e->aux.
16242 (free_all_edge_infos): Simplify now that e->aux is no longer
16243 used to communicate with thread_through_all_blocks.
16244 * tree-flow.h (thread_through_all_blocks): Update prototype.
16245 (register_jump_thread): Prototype.
16247 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16249 * df-core.c (df_compact_blocks, df_bb_replace): Use
16250 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16252 2006-01-11 Richard Guenther <rguenther@suse.de>
16254 PR tree-optimization/25734
16255 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16256 stop propagation after successful propagation to the LHS.
16258 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16260 * basic-block.h (control_flow_graph): Change the type of
16261 x_basic_block_info to VEC(basic_block,gc) *.
16262 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16264 (SET_BASIC_BLOCK): New.
16265 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16266 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16267 * cfgbuild.c (find_basic_blocks): Likewise.
16268 * cfglayout.c (fixup_reorder_chain): Likewise.
16269 * cfgrtl.c (create_basic_block_structure,
16270 rtl_create_basic_block): Likewise.
16271 * ifcvt.c (find_if_case_1): Likewise.
16272 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16275 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16277 * Makefile.in: Removed rotted odf.c entry.
16279 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16282 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16283 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16284 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16285 output pattern modifier, not %e.
16286 * config/cris/cris.c (cris_op_str): Update comment about pattern
16288 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16289 before falling through into...
16290 <case 'E'>: Redefined from old 'e' case.
16292 2006-01-11 Jan Hubicka <jh@suse.cz>
16295 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16297 2006-01-11 Jan Hubicka <jh@suse.cz>
16299 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16300 * i386.c (x86_decompose_lea): Kill.
16301 (ix86_rtx_costs): Kill.
16303 2006-01-11 Jan Hubicka <jh@suse.cz>
16305 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16306 * cgraph.h (cgraph_node): Add inline_decl.
16307 (cgraph_insert_node_to_hashtable): Declare.
16308 (save_inline_function_body): Declare.
16309 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16311 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16312 (cgraph_function_versioning): Update call of tree_function_versioning.
16313 (save_inline_function_body): New function.
16314 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16315 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16316 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16317 (cgraph_default_inline_p): Likewise.
16318 (cgraph_decide_inlining_incrementally): Likewise.
16319 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16320 (copy_bb): Kill saving; do updating of clones.
16321 (copy_cfg_body): Kill saving.
16322 (initialize_inlined-parameters): Likewise.
16323 (expand_call_inline): Likewise.
16325 (tree_function_versioning): New parameter "update_clones".
16326 (inlining_p): Kill saving.
16327 * tree-inline.h (tree_function_versioning): Update prototype.
16328 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16331 2006-01-11 Ian Lance Taylor <ian@airs.com>
16333 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16334 Allow undoing set of machine mode.
16335 (do_SUBST): Use enums instead of is_int.
16336 (do_SUBST_MODE): New function.
16337 (SUBST_MODE): New macro.
16338 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16339 reg and trying to replace reg_regno_rtx with a new register.
16340 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16341 (simplify_set): Use SUBST_MODE.
16342 (distribute_notes): Remove code that tried to update reg notes
16343 for regno_reg_rtx changes.
16345 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16347 PR tree-optimization/23109
16348 PR tree-optimization/23948
16349 PR tree-optimization/24123
16351 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16352 * tree-cfg.c (single_noncomplex_succ): New.
16353 * tree-flow.h (single_noncomplex_succ): Declare it.
16354 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16355 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16356 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16357 insert_bb, register_division_in, insert_reciprocals,
16358 replace_reciprocal, free_bb): New.
16359 (execute_cse_reciprocals_1): Rewritten.
16360 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16361 Do not commit any edge insertion. Always compute dominators and
16362 create the allocation pool.
16363 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16364 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16365 * targhooks.c (default_min_divistions_for_recip_mul): New.
16366 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16367 * passes.c (init_optimization_passes): Run recip after tree loop
16369 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16371 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16372 Kenneth Zadeck <zadeck@naturalbridge.com>
16374 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16375 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16376 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16377 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16378 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16379 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16380 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16381 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16382 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16383 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16384 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16385 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16386 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16387 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16388 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16389 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16390 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16391 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16392 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16393 DF_SCAN_POST_ALLOC): New macros.
16394 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16395 df_free_bb_function, df_local_compute_function, df_init_function,
16396 df_dataflow_function, df_confluence_function_0,
16397 df_confluence_function_n, df_transfer_function,
16398 df_finalizer_function, df_free_function, df_dump_problem_function,
16399 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16400 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16401 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16402 df_urec_bb_info, ) New types.
16403 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16405 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16406 df_analyze_simple_change_some_blocks,
16407 df_analyze_simple_change_one_block, df_compact_blocks,
16408 df_bb_replace, df_bb_regno_last_use_find,
16409 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16410 df_insn_regno_def_p, df_find_def, df_find_use,
16411 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16412 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16413 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16414 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16415 debug_df_chain, df_get_dependent_problem, df_chain_create,
16416 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16417 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16418 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16419 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16420 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16421 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16422 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16423 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16424 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16425 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16426 df_reorganize_refs, df_set_state, df_hard_reg_init,
16427 df_read_modify_subreg_p) New public functions.
16428 * df-core.c: The core dataflow solver and glue routines for rtl
16430 (df_init, df_add_problem, df_set_blocks, df_finish,
16431 df_hybrid_search_forward, df_hybrid_search_backward,
16432 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16433 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16434 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16435 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16436 df_reg_defined, df_find_use, df_reg_used, df_dump,
16437 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16438 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16439 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16440 debug_df_useno, reset_df_after_reload): New functions.
16441 * df-scan.c: The scanning fuctions, once in df.c, completely
16442 rewritten so that they now fully model the functionality of
16443 register usage at the backend.
16444 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16445 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16446 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16447 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16448 df_get_artificial_defs, df_get_artificial_uses,
16449 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16450 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16451 df_refs_delete, df_reorganize_refs, df_set_state,
16452 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16453 df_def_record_1, df_defs_record, df_uses_record,
16454 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16455 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16456 df_record_exit_block_uses, df_hard_reg_init): New functions.
16458 * df-problems.c: Seven concrete dataflow problems that use the
16459 scanning in df-scan.c and are solved by the engine in df-core.c.
16460 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16461 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16462 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16463 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16464 df_ru_free_bb_info, df_ru_alloc,
16465 df_ru_bb_local_compute_process_def,
16466 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16467 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16468 df_ru_transfer_function, df_ru_free, df_ru_dump,
16469 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16470 df_rd_free_bb_info, df_rd_alloc,
16471 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16472 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16473 df_rd_transfer_function, df_rd_free, df_rd_dump,
16474 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16475 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16476 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16477 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16478 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16479 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16480 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16481 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16482 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16483 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16484 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16485 df_urec_mark_reg_use_for_earlyclobber,
16486 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16487 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16488 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16489 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16490 df_chain_create_bb_process_use, df_chain_create_bb,
16491 df_chain_finalize, df_chain_free, df_chains_dump,
16492 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16493 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16494 df_reg_lifetime): New functions.
16495 * df.c: Deleted file.
16496 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16497 consistent with new df api.
16498 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16499 rest_of_handle_sms): Ditto.
16500 * web.c (unionfind_union, union_defs, entry_register, web_main):
16502 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16503 invariant_expr_equal_p, find_defs, check_dependencies,
16504 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16505 free_inv_motion_data, move_loop_invariants): Ditto.
16506 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16507 Update dependencies.
16508 (odf.c): Added defective entry that was deleted later in day.
16509 * sched-deps.c (sched_analyze_1): Ditto.
16511 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16513 * tree-ssa-operands.c (get_expr_operands): Record addressable
16514 variables directly. Do not call add_stmt_operands for CONST_DECLs
16516 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16517 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16519 2006-01-11 Ben Elliston <bje@au.ibm.com>
16521 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16522 function returns true in the positive case.
16524 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16527 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16528 for SI, DI, SF and DF modes. Add alternatives to copy between
16529 general and floating point registers to the 32-bit patterns.
16530 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16531 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16532 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16533 generating 64-bit code.
16534 * config/pa/pa.c (output_move_double): Handle copies between general
16535 and floating registers.
16537 2006-01-10 Stuart Hastings <stuart@apple.com>
16539 * config/i386/i386.md (set_got): Update.
16540 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16541 (builtin_setjmp_receiver): Mach-O support.
16542 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16543 (GOT_SYMBOL_NAME): Define.
16544 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16545 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16546 * config/i386/i386.c (override_options): Revise for Darwin.
16547 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16548 support. (darwin_x86_file_end): New. (output_set_got): Add label
16549 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16550 * config/i386/i386-protos.h (output_set_got): Likewise.
16551 * config/darwin.c (machopic_legitimize_pic_address): Update
16554 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16556 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16557 when MODE isn't BLKmode.
16559 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16561 PR rtl-optimization/25367
16562 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16564 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16567 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16568 for a negative bound.
16570 2006-01-10 Richard Guenther <rguenther@suse.de>
16572 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16573 Never override with anything constraint.
16575 2006-01-10 Jan Beulich <jbeulich@novell.com>
16577 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16578 256 bits when optimize_size.
16580 2006-01-10 Jan Beulich <jbeulich@novell.com>
16582 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16584 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16585 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16588 2006-01-10 Ben Elliston <bje@au.ibm.com>
16590 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16592 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16593 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16594 (USE_FP_FOR_ARG): Reject decimal float modes.
16595 (function_arg_advance): Likewise.
16596 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16597 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16598 point types in AltiVec vectors.
16599 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16600 (rs6000_libcall_value): Likewise.
16602 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16604 * config/xtensa/ieee754-df.S: New file.
16605 * config/xtensa/ieee754-sf.S: New file.
16606 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16607 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16608 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16610 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16612 * config/sh/predicates.md (binary_float_operator,
16613 binary_logical_operator, commutative_float_operator,
16614 equality_comparison_operator, greater_comparison_operator,
16615 less_comparison_operator, logical_operator,
16616 noncommutative_float_operator, shift_operator,
16617 symbol_ref_operand, unary_float_operator): Remove redundant
16620 2006-01-09 Jeff Law <law@redhat.com>
16622 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16623 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16624 now unused arguments. Callers updated.
16625 (eliminate_redundant_computations): Remove now unused arguments,
16627 (local_fold): Remove, no longer used.
16628 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16630 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16631 (simplify_cond): New function.
16632 (forward_propagate_into_cond): Call simplify_cond.
16634 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16636 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16637 (*vec_extractv2di_1_sse): New.
16639 2006-01-09 Ben Elliston <bje@au.ibm.com>
16641 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16643 2006-01-08 Richard Guenther <rguenther@suse.de>
16645 * tree-ssa-structalias.c (get_constraint_for): Remove
16646 anyoffset argument.
16647 (get_constraint_for_component_ref): Likewise.
16648 (do_deref): Likewise.
16649 (get_constraint_for): Likewise.
16650 (do_structure_copy): Likewise.
16651 (handle_ptr_arith): Likewise.
16652 (find_func_aliases): Likewise. Remove unused need_anyoffset
16655 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16656 Kaz Kojima <kkojima@gcc.gnu.org>
16658 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16659 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16660 (EXTRA_CONSTRAINT_C16): Remove.
16661 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16662 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16663 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16664 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16665 constants of SHmedia. Handle nested constant expressions of
16667 (andcosts): Fix the costs for SHmedia constants.
16668 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16669 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16670 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16671 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16672 (movv4hi_i, movv2si_i): Likewise.
16673 (movsi_const): Adjust the second operand of ior so to match with
16674 the Csu constraint.
16675 (movdi_const, movdi_const_32bit): Likewise.
16676 (movdi_const_16bit+1): Don't sign-extend LOW.
16677 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16679 (*double_shori): Fix the split condition. Use GEN_INT instead
16680 of get_int_mode calls. Mask lower 16-bit of the argument of
16682 (sym2GOTPLT): Remove.
16683 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16685 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16686 instead of EXTRA_CONSTRAINT_C16.
16688 2006-01-07 Ian Lance Taylor <ian@airs.com>
16689 David Edelsohn <edelsohn@gnu.org>
16691 PR rtl-optimization/25662
16692 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16693 for constant operands instead of simplify_gen_binary.
16694 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16695 after trying simplify_binary_operation
16697 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16699 * tree.c (iterative_hash_expr): Hash decls based on UID.
16701 2006-01-06 Eric Christopher <echristo@apple.com>
16703 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16704 (TARGET_UNWIND_EMIT): Fix spelling.
16705 * target.h (gcc_target): Add except_table_label.
16706 * except.c (output_function_exception_table): Use.
16707 * varasm.c (default_emit_except_table_label): New.
16708 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16710 (asm_out): Add here.
16711 * output.h (default_emit_except_table_label): Prototype.
16712 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16713 * config/darwin.c (darwin_emit_except_table_label): Define.
16714 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16716 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16718 PR tree-optimization/18527
16719 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16720 number_of_iterations_special, number_of_iterations_exit):
16721 Move base and step of an iv to a single structure. Add
16722 no_overflow flag, and use it in # of iterations analysis.
16723 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16724 folded_casts argument.
16725 (simple_iv): Pass base and step in a structure. Set no_overflow
16727 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16728 Evaluate expensiveness of computing # of iterations instead of
16729 the final expression.
16730 * tree-scalar-evolution.h (affine_iv): New structure.
16731 (simple_iv): Declaration changed.
16732 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16733 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16734 find_givs_in_stmt): Changed due to simple_iv change.
16736 2006-01-06 Jeff Law <law@redhat.com>
16739 * tree-cfg.c (bsi_replace): Rename final argument from
16740 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16741 change (stmt -> orig_stmt).
16742 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16743 (bsi_remove): Add new argument. Remove EH information
16745 (verify_eh_throw_table_statements): New function.
16746 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16748 * tree-optimize.c (execute_free_cfg_annotations): Verify
16749 the EH throw statement table after removing annotations.
16750 * except.h (verify_eh_throw_table_statements): Prototype.
16751 * tree-flow.h (bsi_remove): Update prototype.
16752 * tree-vrp.c (remove_range_assertions): Add new argument to
16754 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16755 * tree-complex.c (expand_complex_div_wide): Likewise.
16756 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16757 * tree-tailcall.c (eliminate_tailcall): Likewise.
16758 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16759 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16760 * tree-nrv.c (tree_nrv): Likewise.
16761 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16762 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16763 (combine_blocks): Likewise.
16764 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16765 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16766 (cleanup_control_flow): Likewise.
16767 (remove_forwarder_block): Likewise.
16768 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16769 * tree-sra.c (sra_replace): Likewise.
16770 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16771 (forward_propagate_single_use_vars): Likewise.
16772 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16773 * tree-inline.c (expand_call_inline): Likewise.
16774 * tree-vect-transform.c (vect_transform_loop): Likewise.
16775 * tree-outof-ssa.c (rewrite_trees): Likewise.
16776 * tree-cfg.c (make_goto_expr_edges): Likewise.
16777 (cleanup_dead_labels): Likewise.
16778 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16779 (bsi_move_before, bsi_move_after): Likewise.
16780 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16781 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16783 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16786 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16788 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16789 on non gimple variables. Also add checks at the top for decls and
16791 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16793 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16794 and IMAGPART_EXPR for creating MUST_DEFs.
16795 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16796 and NAME_MEMORY_TAG separately from the DECLs.
16798 2006-01-06 Richard Guenther <rguenther@suse.de>
16800 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16801 annotation, if necessary.
16802 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16803 redundant calls to update_stmt.
16804 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16807 2006-01-05 Richard Henderson <rth@redhat.com>
16809 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16811 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16813 * c-typeck.c: Update copyright date.
16815 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16817 * c-typeck.c (build_c_cast): Always warn when casting
16818 from a pointer to an integer of different size, even if
16819 the node was constant.
16821 2006-01-05 Richard Guenther <rguenther@suse.de>
16823 PR tree-optimization/22555
16824 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16825 if one structure field is an array.
16826 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16827 operands even if we found a subvar, but ignore VOPs in this
16829 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16831 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16833 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16835 PR middle-end/24998
16836 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16838 2006-01-05 Richard Guenther <rguenther@suse.de>
16839 Diego Novillo <dnovillo@redhat.com>
16841 * tree-pass.h (TODO_remove_unused_locals): Define.
16842 * gimple-low.c (expand_var_p, remove_useless_vars,
16843 pass_remove_useless_vars): Remove. Update all users.
16844 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16845 (remove_unused_locals): New function.
16846 * tree-flow.h (remove_unused_locals): Declare.
16847 * passes.c (execute_todo): Call remove_unused_locals if
16848 TODO_remove_unused_locals is set.
16849 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16850 * tree-ssa-dce.c (pass_dce): Likewise.
16851 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16853 2006-01-05 Richard Guenther <rguenther@suse.de>
16855 * tree-flow.h (struct fieldoff): Decompose field to
16856 type, size and decl.
16857 * tree-ssa-alias.c (create_sft): Take type as parameter.
16858 (create_overlap_variables_for): Store type, size and decl
16859 in the fieldoff structure.
16860 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16861 of struct fieldoff.
16862 (push_fields_onto_fieldstack): Likewise.
16863 (create_variable_info_for): Likewise. Use offset for the
16864 SFT name if the decl is not available.
16866 2006-01-04 Paul Brook <paul@codesourcery.com>
16868 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16870 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16872 * lambda-code.c (can_put_in_inner_loop): Relax
16874 (can_put_after_inner_loop): New function.
16875 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16876 (perfect_nestify): Change to make copies and modify uses.
16878 2006-01-04 Richard Henderson <rth@redhat.com>
16880 Merge from gomp branch:
16881 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16882 via integer constant.
16883 (pragma_lex): Remove.
16884 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16885 rather than parsing it.
16886 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16887 handle_pragma_extern_prefix): Add %< %> quotes.
16888 (registered_pragmas): New.
16889 (c_register_pragma_1): New.
16890 (c_register_pragma): Use it.
16891 (c_register_pragma_with_expansion): Likewise.
16892 (c_invoke_pragma_handler): New.
16893 (init_pragma): Use cpp_register_deferred_pragma directly for
16895 * c-pragma.h (enum pragma_kind): New.
16896 (pragma_handler): New.
16897 (c_invoke_pragma_handler): Declare.
16898 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16900 * c-common.h (c_common_pch_pragma): Update decl.
16901 * Makefile.in (c-parser.o): Update dependencies.
16902 (GTFILES): Add c-pragma.h.
16903 * c-parser.c (struct c_token): Add pragma_kind.
16904 (struct c_parser): Add in_pragma.
16905 (c_lex_one_token): Always initialize keyword and pragma_kind.
16906 Extract data for CPP_PRAGMA.
16907 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16908 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16909 Don't allow CPP_PRAGMA_EOL if in_pragma.
16910 (c_parser_consume_pragma): New.
16911 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16912 (c_parser_skip_to_end_of_parameter): Likewise.
16913 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16914 (c_parser_skip_to_pragma_eol): New.
16915 (c_parser_external_declaration): Handle CPP_PRAGMA.
16916 (c_parser_compound_statement_nostart): Likewise.
16917 (c_parser_statement_after_labels): Likewise.
16918 (c_parser_pragma): New.
16919 (pragma_lex): Likewise.
16920 (c_parser_pragma_pch_preprocess): New.
16921 (c_parser_new): Merge into ...
16922 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16924 2006-01-04 Jeff Law <law@redhat.com>
16927 * tree-cfg.c (bsi_replace): Remove the original statement
16928 from the EH throw statement table.
16930 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16932 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16933 make the prototype extern "C" and add throw ().
16936 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16937 and pos non-negative and pos + len <= 32.
16938 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16939 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16940 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16943 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16944 as well as sizes not multiple of component size.
16947 * function.c (instantiate_expr): New function.
16948 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16949 walk its DECL_VALUE_EXPR with instantiate_expr.
16951 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16952 DW_OP_deref{,_size} if address isn't going to be added.
16954 2006-01-04 Ben Elliston <bje@au.ibm.com>
16956 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16957 * config/fp-bit.c: Likewise.
16959 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16961 * dominance.c: Add comment about why we use DFS numbering
16964 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16965 Richard Henderson <rth@redhat.com>
16967 Merge from gomp-branch:
16968 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16969 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16971 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16973 PR rtl-optimization/25578
16974 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16975 pass a parameter to simplify_shift_const if changing ASHIFTRT
16978 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16980 * builtins.c (get_builtin_sync_mem): New function.
16981 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16982 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16983 Call get_builtin_sync_mem to generate mem rtx.
16985 2006-01-03 Richard Guenther <rguenther@suse.de>
16988 * stmt.c (add_case_node): Make sure to clear overflow flags
16991 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16993 Merge from gomp-branch.
16994 * config/sparc/sync.md: New file.
16995 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16996 UNSPECV_LDSTUB): New constants.
16997 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16998 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16999 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17002 2006-01-03 Roger Sayle <roger@eyesopen.com>
17004 * combine.c (reg_subword_p): New predicate to test whether the
17005 destination of a set refers to a subword/piece of a register.
17006 (try_combine): Generalize the code to merge the setting of a
17007 pseudo to a constant followed by a set of a subword of that
17008 register to a constant.
17010 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17012 * basic-block.h (control_flow_graph): Change the type of
17013 x_label_to_block_map to VEC(basic_block,gc) *.
17014 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17015 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17017 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17018 VEC(basic_block,heap) *.
17019 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17020 ssa_prop_fini): Adjust the uses of cfg_blocks.
17022 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17024 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17026 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17027 hashing trees instead of a pointer hash.
17028 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17029 compare for MEM_EXPR.
17031 PR rtl-optimization/25130
17032 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17033 when comparing MEMs for GCSE
17035 2006-01-03 Ben Elliston <bje@au.ibm.com>
17037 * targhooks.h (default_decimal_float_supported_p): Declare.
17038 * targhooks.c (default_decimal_float_supported_p): Define.
17039 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17040 `default_decimal_float_supported_p'.
17041 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17043 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17045 * combine.c (apply_distributive_law <SUBREG>): Check
17046 TRULY_NOOP_TRUNCATION.
17048 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17050 * dwarf2out.c (have_switched_text_section): Delete.
17051 (have_multiple_function_sections): New.
17052 (have_location_lists): Make 'bool'.
17053 (add_AT_loc_list): Use 'true' not '1'.
17054 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17055 (output_loc_list): Use have_multiple_function_sections.
17056 (output_ranges): Likewise.
17057 (dwarf2out_begin_function): Set have_multiple_function_sections if
17059 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17060 Check function_section rather than DECL_SECTION_NAME.
17061 (dwarf2out_finish): Use have_multiple_function_sections.
17062 Don't clear have_location_lists.
17064 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17065 Jan Hubicka <jh@suse.cz>
17067 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17068 case of conditional jump jumping to the next instruction.
17069 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17070 cases of conditional jump jumping to the next instruction.
17072 2006-01-02 Jan Hubicka <jh@suse.cz>
17074 * i386.c (*_cost): Add COSTS_N_INSNS.
17075 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17077 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17080 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17082 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17084 * config/arm/arm.c (all_fpus): Fix comment typo.
17085 * config/darwin.c: Likewise.
17086 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17087 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17088 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17090 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17092 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17093 (rs6000_split_compare_and_swapqhi): New.
17094 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17095 (sync_compare_and_swapqhi_internal): New.
17096 * config/rs6000/rs6000-protos.h: Declare.