1 2006-06-20 Richard Guenther <rguenther@suse.de>
2 Michael Matz <matz@suse.de>
4 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7 * et-forest.h (et_free_pools): Prototype new function.
8 * et-forest.c (et_free_tree_force): Free parent occurrence.
9 (et_free_pools): New function.
10 * dominance.c (free_dominance_info): Free et-forest alloc
13 2006-06-20 Roger Sayle <roger@eyesopen.com>
15 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
16 integer modes, attempt to directly construct an integer constant.
18 * fold-const.c (native_encode_vector): Determine the size of each
19 element from the vector type instead of the first vector element.
21 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
22 if all of its elements/components are constant.
23 (build_constructor_from_list): Likewise.
25 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
27 PR tree-optimization/27331
28 * tree-data-ref.c (free_data_ref): New function.
29 (create_data_ref): Fail if the data reference has unknown access
31 (free_data_refs): Use free_data_ref.
33 2006-06-19 Andrew Pinski <pinskia@gmail.com>
36 * tree-inline.c (setup_one_parameter): Strip useless
37 type conversion before adding it to the IR.
38 (declare_return_variable): Likewise.
40 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
43 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
45 2006-06-19 Mike Stump <mrs@apple.com>
47 * tree.c (variably_modified_type_p): VM arguments don't make the
50 2006-06-19 Richard Guenther <rguenther@suse.de>
52 * tree-ssa-pre.c (try_combine_conversion): Strip useless
53 type conversions after folding.
55 2006-06-19 Richard Guenther <rguenther@suse.de>
57 * ggc-page.c (extra_order_size_tab): Add entries with
58 size of struct function and basic_block.
59 (size_lookup): Extend to cover sizes up to 511.
60 (ggc_alloc_stat): Adjust user.
61 (ggc_pch_count_object): Likewise.
62 (ggc_pch_alloc_object): Likewise.
63 (ggc_pch_write_object): Likewise.
65 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
67 * tree-ssa-loop-niter.c (implies_ge_p): New function.
68 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
71 2006-06-19 Denis Chertykov <denisc@overta.ru>
73 * config/avr/libgcc.S : Correct my wrong previous commit.
75 2006-06-19 Roger Sayle <roger@eyesopen.com>
78 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
79 have stripped a SUBREG from the shift count, so we may need to
80 convert_to_mode back to the type's mode before calling make_tree.
81 Use new_amount instead of amount to avoid expanding a tree twice.
83 2006-06-19 Richard Guenther <rguenther@suse.de>
86 * fold-const.c (operand_equal_p): Check if the argument types
87 have the same precision before stripping NOPs.
89 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
91 Fix PR tree-optimization/27341
92 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
94 * tree-complex.c (pass_lower_complex): Update SMT usage.
96 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
98 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
99 Add a new alternative to the constraint strings. Add move of
100 operand 1 to 3 to the splitter definition.
101 ("doloop_si_long"): Second contraint alternative removed.
103 2006-06-08 Anatoly Sokolov <aesok@post.ru>
105 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
106 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
108 (AVR_HAVE_MOVW) Define.
109 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
110 (ASM_SPEC): Add avr25.
111 (LINK_SPEC): Add avr25.
112 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
113 (base_arch_s): Add new member 'have_movw_lpmx'.
114 (avr_arch_types): Init 'have_movw_lpmx'.
115 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
116 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
117 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
118 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
119 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
121 (avr_file_start): Do not output '.arh' derective.
122 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
123 (__do_copy_data): Use __AVR_HAVE_LPMX__.
124 * config/avr/avr.md (mcu_enhanced): Delete.
125 (mcu_have_movw): Define.
126 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
127 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
128 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
129 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
130 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
131 attiny861 and at86rf401 devices.
133 2006-06-18 Jie Zhang <jie.zhang@analog.com>
135 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
138 2006-06-17 Karl Berry <karl@gnu.org>
140 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
141 doc/gccint.texi, doc/install.texi (@dircategory): Use
142 "Software development" instead of "Programming", following
143 the Free Software Directory.
145 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
147 * config/i386/i386.c (legitimate_tls_address)
148 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
149 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
150 (*tls_dynamic_gnu2_combine_64): Likewise.
152 2006-06-16 Richard Guenther <rguenther@suse.de>
155 * fold-const.c (negate_expr_p): Do not introduce undefined
156 overflow in negating INTEGER_CSTs.
157 (fold_negate_expr): Rename from negate_expr. Revert last
158 change for folding BIT_NOT_EXPR. Change semantics to
159 return NULL_TREE for non-simplified negations. Do not
160 strip type conversions and unify type handling.
161 (negate_expr): New function, wrap around fold_negate_expr
162 but ensure building a tree always. Strip type conversions
163 here, fold to result type.
164 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
166 2006-06-16 Roger Sayle <roger@eyesopen.com>
169 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
170 that (would) return their results in stack registers.
172 2006-06-16 Michael Matz <matz@suse.de>
173 Richard Guenther <rguenther@suse.de>
175 * fold-const.c (fold_truthop): Only return new tree node if
176 we canonicalized something.
178 2006-06-16 Richard Guenther <rguenther@suse.de>
180 * function.h (enum function_frequency): Move declaration
181 out of struct function.
182 (struct function): Move bool fields and the enum to the bitfield
183 section. Reorder elements to avoid padding. Remove unused
184 fields left over from the RTL inliner removal.
185 * function.c (free_after_compilation): Do not zero removed fields.
186 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
187 (ipa-type-escape.o): Likewise.
189 2006-06-16 Richard Guenther <rguenther@suse.de>
191 * cgraph.h (struct cgraph_local_info): Turn bool elements
193 (struct cgraph_node): Likewise.
194 (struct cgraph_varpool_node): Likewise.
196 2006-06-15 Richard Guenther <rguenther@suse.de>
198 * fold-const.c (fold_truth_not_expr): Rename from
199 invert_truthvalue. Give it fold_* semantics to avoid
201 (invert_truthvalue): New function. Wrapper around
203 (optimize_minmax_comparison): Avoid creating garbage.
204 (fold_unary): Use fold_truth_not_expr for folding
206 (fold_ternary): Replace uses of invert_truthvalue with
207 fold_truth_not_expr where applicable.
208 * tree.h (fold_truth_not_expr): Prototype.
210 2006-06-16 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/27781
213 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
214 * ipa-pure-const.c (target.h): Include.
215 (analyze_function): Do not analyze functions that do not
218 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
221 * tree-dfa.c (referenced_vars_dup_list): Remove.
222 (find_referenced_vars): Remove assert.
223 (referenced_var_check_and_insert): Replace dup list with assert.
224 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
225 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
227 2006-06-15 Richard Guenther <rguenther@suse.de>
229 * tree-ssa-structalias.c (alias_get_name): Avoid creating
230 extra unused identifiers if not dumping.
231 (create_variable_info_for): Likewise.
233 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
235 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
236 (derive_constant_upper_bound): Derive more precise upper bound in
237 common cases. Return type changed to double_int.
238 (record_estimate): Reflect the changed return type of
239 derive_constant_upper_bound.
240 * double-int.c (double_int_zext, double_int_sext): Fix.
242 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
244 * configure.ac (CFLAGS): Get them from the toplevel or from the
245 configure invocation.
246 * configure: Regenerate.
247 * Makefile.in (CFLAGS): Substitute value provided by configure.
249 2006-06-14 Mark Mitchell <mark@codesourcery.com>
252 * c-common.h (c_finish_omp_atomic): Adjust declaration.
253 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
254 rather than calling add_stmt on it.
255 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
257 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
260 * reload1.c (reload): Remove registers returned by update_eliminables
261 from used_spill_regs.
263 2006-06-13 DJ Delorie <dj@redhat.com>
265 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
267 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
269 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
270 html__strip_dir, html__mkdir_p. Enhance install-html target.
271 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
272 * configure: Regenerate.
274 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
276 * fold-const.c (fold_cond_expr_with_comparison): Check for
277 Objective-C++ as language in deciding COND_EXPR transformation.
279 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
282 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
283 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
284 * config/sh/lib1funcs.h (SL, SL1): Define.
285 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
286 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
287 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
288 (OBJS_Os_4_200): New variable.
289 ($(T)libgcc-Os-4-200.a): Use it.
290 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
291 when dividing 1 and/or by 0.
293 2006-06-13 Roger Sayle <roger@eyesopen.com>
295 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
296 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
297 * configure: Regenerate.
299 2006-06-13 Jie Zhang <jie.zhang@analog.com>
301 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
302 for real instruction.
304 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
307 * haifa-sched.c (check_cfg): Handle special case.
309 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
312 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
313 Add debug_info parameter. Chain the vars to the BLOCK instead
314 of the BIND_EXPR if debug info are requested for them.
315 (pop_gimplify_context): Adjust for above change.
316 (gimple_add_tmp_var): Likewise.
317 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
319 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
320 (convert_local_reference): Likewise.
321 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
322 (finalize_nesting_tree_1): Request that debug info be emitted
325 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
327 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
330 2006-06-13 Richard Guenther <rguenther@suse.de>
333 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
335 2006-06-13 Richard Guenther <rguenther@suse.de>
337 PR tree-optimization/27830
338 * tree-inline.c (copy_body_r): For copying the operand
339 of an ADDR_EXPR make sure to fold &* afterwards.
341 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
343 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
344 lvalues in the fb_none case with side-effects.
346 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
348 * tree-flow.h: Remove the prototype for
349 compute_phi_arg_on_exit.
350 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
351 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
354 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
356 * builtins.c (expand_builtin_return_addr): Only use
357 frame_pointer_rtx when count == 0 and we are expanding
358 __builtin_return_address.
360 2006-06-12 Fred Fish <fnf@specifix.com>
362 * config/mips/mips.c (mips_file_start): Create special section
363 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
365 2006-06-11 Eric Christopher <echristo@apple.com>
368 * stor-layout.c (place_field): Remove check for
369 remaining_in_alignment when aligning at the end of a run.
371 2006-06-11 Eric Christopher <echristo@apple.com>
374 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
377 2006-06-11 Roger Sayle <roger@eyesopen.com>
380 Revert incorrect fix for PR target/27158
381 2006-05-08 Roger Sayle <roger@eyesopen.com>
382 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
383 of a reg_equiv_constant if the result is a legitimate constant.
385 2006-06-11 Roger Sayle <roger@eyesopen.com>
388 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
389 extract a CONST_VECTOR element and interpret it as an integer.
390 (vspltis_constant): Use const_vector_elt_as_int instead of the
391 macro CONST_VECTOR_ELT in order to handle FP vector modes.
392 * config/rs6000/predicates.md (easy_vector_const): Consider
393 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
395 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
398 * stor-layout.c (update_alignment_for_field): Don't add extra
399 alignment for packed non-bitfield fields in ms_bitfield_layout_p
402 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
404 * config/mips/t-rtems: Add EL/EB multilib variants.
406 2006-06-09 Mike Stump <mrs@apple.com>
408 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
410 2006-06-09 David Daney <ddaney@avtrex.com>
412 * doc/install.texi: Add binutils version recommendation for mips-*-*.
414 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
416 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
418 2006-06-09 Richard Guenther <rguenther@suse.de>
420 PR tree-optimization/26998
421 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
422 of signed types, only TYPE_MIN_VALUE is special, but for both,
423 minimum and maximum value. Likewise VR_ANTI_RANGE is special
424 in this case, as is -fwrapv.
426 2006-06-08 Mike Stump <mrs@apple.com>
429 * config/darwin.c (darwin_asm_output_anchor): Disable
430 -fsection-anchors on darwin for now.
431 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
432 * rs6000/rs6000.c (optimization_options): Likewise.
434 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
437 * config/i386/i386.c (classify_argument): Skip fields with invalid
440 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
442 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
443 (cse_insn): Likewise for the stack_pointer_rtx.
445 2006-06-08 Roger Sayle <roger@eyesopen.com>
447 * tree-ssa-dom.c (record_conditions): Only record "unordered"
448 conditions from floating point comparisons.
450 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
453 * expmed.c (struct alg_hash_entry): Fix type of field T
454 to match synth_mult argument.
455 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
457 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
460 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
463 2006-06-08 Richard Guenther <rguenther@suse.de>
466 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
467 only, if overflow is defined and not trapping.
468 (negate_expr): Likewise.
470 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
472 PR tree-optimization/27872
473 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
474 flag on the new exit edge of the unrolled loop.
476 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
478 PR rtl-optimization/26449
479 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
481 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
484 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
485 referenced_variables with matching DECL_UID's.
486 (find_referenced_vars): Make sure duplicate list is empty to start.
487 (referenced_var_p): Remove.
488 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
489 Check if var is in the list, and add if needed. Update the duplicate
490 list if a different var is in the list with the same DECL_UID.
491 (add_referenced_var): Call routine to check and insert.
492 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
493 * tree-flow.h (referenced_vars_dup_list): External declaration.
495 2006-06-07 Fred Fish <fnf@specifix.com>
497 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
500 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
503 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
504 the imaginary and real parts of a clobbered register.
505 Emit insn to set the imaginary part.
507 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
509 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
510 in lieu of unwind-dw2-fde.c.
512 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
514 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
516 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
519 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
520 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
521 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
522 V4SImode temporaries and operations instead.
524 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
526 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
529 2006-06-06 Mike Stump <mrs@apple.com>
531 * Makefile.in: Rename to htmldir to build_htmldir to avoid
532 installing during build.
534 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
536 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
538 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
539 * config/ia64/ia64.c (params.h): New header.
540 (ia64_optimization_options): New function to adjust parameters.
541 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
542 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
543 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
545 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
547 * stor-layout.c (debug_rli): Fix a typo in a debug message.
549 2006-06-05 Steve Ellcey <sje@cup.hp.com>
552 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
554 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
555 Victor Kaplansky <victork@il.ibm.com>
557 PR tree-optimization/26360
558 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
561 2006-06-04 Roger Sayle <roger@eyesopen.com>
562 Andrew Pinski <pinskia@physics.uc.edu>
565 * c-common.c (c_common_truthvalue_conversion): Explicitly check
566 for LABEL_DECL before calling DECL_WEAK.
569 * c-typeck.c (build_binary_op): Likewise, explicitly check for
570 LABEL_DECL and PARM_DECL.
572 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
576 * c-decl.c (grokdeclarator): Disallow variably modified types at
577 file scope. Avoid marking shared array type of constant size as
580 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
583 * c-common.c (fold_offsetof_1): Handle static members.
585 2006-06-04 Eric Christopher <echristo@apple.com>
587 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
588 (debug_rli): Output value for remaining_in_alignment.
589 (update_alignment_for_field): Unconditionalize
590 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
591 extra alignment code.
592 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
593 ms_bitfield_layout_p code. Rewrite handling of structure fields.
594 * tree.h (record_layout_info_s): Remove prev_packed.
595 * doc/extend.texi (ms_struct): Add documentation of format.
597 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
599 * tree.h: Declare folding_initializer.
600 * builtins.c (fold_builtin_constant_p): Give definite answer
601 if folding inside an initializer.
602 * fold-const.c: Define folding_initializer.
603 (START_FOLD_INIT): Save and then set folding_initializer.
604 (END_FOLD_INIT): Restore folding_initializer.
606 2006-06-04 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/27039
609 * fold-const.c (fold_comparison): Handle pointer comparison
610 again for all comparison codes. Compare offsets in signed
612 (fold_binary): Move code from here.
614 2006-06-03 Roger Sayle <roger@eyesopen.com>
617 * config/i386/i386.c (construct_container): Split static issued_error
618 flag into issued_sse_arg_error, issued_sse_ret_error and
619 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
620 requires the use of x87 registers and the user explicitly
621 specified the -mno-80387 command line option.
623 2006-06-02 Geoffrey Keating <geoffk@apple.com>
625 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
626 HAVE_DECL_SIGALTSTACK.
628 (segv_handler): Use MC_FLD.
629 * configure.ac: Check for a sigaltstack declaration.
630 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
631 * configure: Regenerate.
632 * config.in: Regenerate.
634 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
637 * Makefile.in (stmp-fixinc): Fix typo.
639 2006-06-02 Roger Sayle <roger@eyesopen.com>
641 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
642 are type correct. Clean-up.
643 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
644 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
646 2006-06-01 DJ Delorie <dj@redhat.com>
648 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
649 shift, as we've disabled the "switch" insn that needs it.
651 2006-06-01 Per Bothner <bothner@bothner.com>
653 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
654 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
655 * c-ppoutput.c (cb_define): Don't increment line 0.
657 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
659 * doc/invoke.texi: Add cpu_type power6.
660 * config.gcc: Add cpu_type power6.
661 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
662 to power5+ with Altivec.
663 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
664 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
666 2006-05-30 Anatoly Sokolov <aesok@post.ru>
668 * config/avr/avr.h (SET_ASM_OP): Define.
670 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
672 * config/bfin/bfin.c: Fix comment typos.
674 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
677 * doc/install.texi: Document --enable-bootstrap and
680 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
682 * doc/install.texi: Document that InfoZIP can replace jar.
684 2006-05-31 Roger Sayle <roger@eyesopen.com>
686 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
687 isn't available, directly generate the simpler x87 patterns without
688 the (use (const_int 0)).
689 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
690 implementation isn't available.
691 (*negdf2_1): Likewise.
692 (*negxf2_1): XF mode negation is always done using the x87.
693 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
695 2006-05-31 Roger Sayle <roger@eyesopen.com>
697 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
698 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
700 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
702 2006-05-31 Jie Zhang <jie.zhang@analog.com>
704 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
705 * config/bfin/bfin.c (basic-block.h): Include.
706 (struct machine_function): New.
707 (bfin_init_machine_status): New.
708 (override_options): Initialize init_machine_status.
709 (bfin_hardware_loop): New.
710 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
711 (DEF_VEC_P (loop_info)): New.
712 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
713 (struct loop_info): New.
714 (loop_info): New typedef.
715 (struct loop_work): New.
716 (loop_work): New typedef.
717 (DEF_VEC_O (loop_work)): New.
718 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
719 (bfin_dump_loops): New.
720 (bfin_bb_in_loop): New.
721 (bfin_scan_loop): New.
722 (bfin_optimize_loop): New.
723 (bfin_reorg_loops): New.
724 (bfin_reorg): Use bfin_reorg_loops.
725 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
727 (I_REGNO_P): Simplify.
728 (DP_REGNO_P, DPREG_P): New macros.
729 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
730 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
731 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
732 Add LT_REGS, LC_REGS, LB_REGS.
733 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
735 (REGNO_REG_CLASS): Deal with loop registers.
736 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
738 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
739 New constants for loop registers.
740 (UNSPEC_LSETUP_END): New.
741 (seq_insns): New define_attr. Set it for appropriate insns.
742 (movsi_insn): Add alternatives for move from/to
743 loop count registers.
744 (doloop_end): New define_expand.
745 (loop_end): New define_insn.
746 (define_split for bad doloop_end): New.
747 (lsetup_with_autoinit): New define_insn.
748 (lsetup_without_autoinit): New define_insn.
749 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
750 * config/bfin/predicates.md (lc_register_operand): New.
751 (lt_register_operand): New.
752 (lb_register_operand): New.
753 (nondp_register_operand): New.
754 (nondp_reg_or_memory_operand): New.
755 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
757 2006-05-31 Jie Zhang <jie.zhang@analog.com>
759 * config/bfin/bfin.c (bfin_delegitimize_address): New.
760 (TARGET_DELEGITIMIZE_ADDRESS): Define.
762 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
764 * Makefile.in (CATALOGS): Add po/ prefix.
765 * configure: Regenerated.
767 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
770 * arm.c (arm_print_operand case 'S'): Validate that the operand is
771 a shift operand before calling shift_op. Avoid redundant call of
774 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
775 DJ Delorie <dj@redhat.com>
777 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
778 we're inserting is a singlt-bit constant.
780 2006-05-30 Roger Sayle <roger@eyesopen.com>
782 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
783 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
785 2006-05-30 Roger Sayle <roger@eyesopen.com>
787 PR tree-optimization/23452
788 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
789 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
790 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
791 complex values and with -ffast-math for FP complex values.
793 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
795 * c-common.h: Remove the prototype for yyparse.
796 * rtl.h: Remove the prototype for init_loop.
798 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
800 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
803 2006-05-30 Roger Sayle <roger@eyesopen.com>
805 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
807 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
808 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
810 2006-05-30 Dirk Mueller <dmueller@suse.de>
813 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
814 for CONSTANT_CLASS_P expresisons.
816 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
819 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
821 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
823 PR tree-optimization/27779
824 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
825 initial_condition instead of CHREC_LEFT.
827 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
829 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
830 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
831 Make prototypes ISO C90.
833 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
834 Leehod Baruch <leehod.baruch@weizmann.ac.il>
836 * see.c (see_analyze_one_def): Correct check.
837 (see_get_extension_data): Check if extension is parallel.
838 (see_get_extension_reg): Likewise.
840 2006-05-30 Uros Bizjak <uros@kss-loka.si>
843 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
844 into register for (code == GTU).
846 2006-05-29 Roger Sayle <roger@eyesopen.com>
848 PR tree-optimization/24964
849 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
850 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
851 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
852 abs(x)*abs(x) as x*x for scalar floating point modes.
854 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
857 * lambda-code.c (perfect_nestify): Don't copy statements
858 in the inner loop: move them to the inner loop header.
860 2006-05-29 Diego Novillo <dnovillo@redhat.com>
863 * c-tree.texi: Document OpenMP directives and clauses.
865 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
867 * varasm.c (globalize_decl): Fix indentation.
869 2006-05-29 Diego Novillo <dnovillo@redhat.com>
872 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
873 pass_fre, pass_store_ccp, pass_copy_prop,
874 pass_store_copy_prop, pass_merge_phi, pass_nrv,
875 pass_return_slot, pass_object_size, pass_lim,
876 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
877 pass_loop_prefetch and pass_stdarg.
879 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
881 * config/bfin/bfin.opt (mfdpic): New option.
882 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
883 (EXTRA_MULTILIB_PARTS): Likewise.
884 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
885 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
887 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
888 (CRT_CALL_STATIC_FUNCTION): New.
889 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
891 (CRT_CALL_STATIC_FUNCTION): New.
892 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
894 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
895 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
896 (initialize_trampoline): Changed to handle FD-PIC code generation.
897 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
898 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
899 (override_options): Disallow -mid-shared-library -mfdpic combination.
900 Can't do unaligned ops if FD-PIC.
901 Turn off flag_pic if trying to generate non-id-shared-library
902 non-fdpic code, since it's not supported.
903 (bfin_assemble_integer): New function.
904 (TARGET_ASM_INTEGER): Define.
905 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
907 * config/bfin/crtn.s: Restore them.
908 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
910 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
911 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
912 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
913 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
914 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
916 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
917 FDPIC_REGS and FDPIC_FPTR_REGS.
918 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
919 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
920 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
921 (load_funcdescsi): New pattern.
922 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
923 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
924 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
926 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
928 * gcse.c, rtlanal.c: Remove obsolete comments associated with
931 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
933 * tree-flow.h: Remove the prototype for add_type_alias.
934 * tree-ssa-alias.c (add_type_alias): Remove.
936 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
938 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
939 config/fr30/fr30.md, config/i386/i386-interix.h,
940 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
941 config/sh/superh64.h, config/v850/v850.c, df-core.c,
942 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
943 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
944 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
945 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
946 Follow spelling conventions.
947 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
948 Follow spelling conventions.
950 2006-05-27 Richard Guenther <rguenther@suse.de>
953 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
954 to produce a constant of value 1 of generic type.
956 2006-05-27 Dirk Mueller <dmueller@suse.de>
958 * cgraphunit.c (decide_is_function_needed): Fix wrong
961 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
963 PR rtl-optimization/27661
964 * reload.c (find_reloads): When reloading a VOIDmode constant
965 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
966 use Pmode as mode of the reload register.
968 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
970 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
971 is enabled at -O and above.
973 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
976 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
979 2006-05-25 Mark Mitchell <mark@codesourcery.com>
982 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
983 for anonymous variables explicitly declared by front ends.
985 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
987 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
988 (struct alias_info): Add new field ref_all_symbol_mem_tag.
989 * tree-ssa-alias.c (compute_may_aliases): If the program contains
990 ref-all pointers, run a finalization pass for them.
991 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
992 (finalize_ref_all_pointers): New function.
993 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
994 regular pointer type to a ref-all pointer type.
995 (get_tmt_for): Return the special memory tag for ref-all pointers.
997 2006-05-25 Richard Guenther <rguenther@suse.de>
1000 * fold-const.c (fold_binary): Do not look at the stripped
1001 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1003 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1005 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1006 for LT and GT if the computed range is effectively empty.
1008 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1011 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1012 mips_quad_format formats instead of ieee_single_format,
1013 ieee_double_format and ieee_quad_format formats, respectively.
1015 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1017 PR tree-optimization/27639
1018 PR tree-optimization/26719
1019 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1020 call to scev_probably_wraps_p.
1021 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1022 used_in_pointer_arithmetic_p, convert_step): Removed.
1023 (nowrap_type_p): New function.
1024 (scev_probably_wraps_p): Rewritten.
1025 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1026 chrec_convert if chrec_convert_aggressive might have been used.
1027 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1028 scev_direction): New functions.
1029 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1030 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1031 instead of convert_step.
1032 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1033 (convert_step): Declaration removed.
1034 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1036 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1038 * df-core.c: Added to header comments.
1039 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1040 df_ur_bb_info, df_urec_bb_info): Added comments.
1041 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1042 urec, ri problems): Fixed header comments.
1043 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1044 code from df_rd_transfer_function.
1046 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1048 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1049 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1050 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1052 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1054 * expr.c (undefined_operand_subword_p): New.
1055 (emit_move_multi_word): Do not generate move from undefined bits
1056 of a paradoxical subreg.
1058 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1060 PR rtl-optimization/27736
1061 * combine.c (replaced_rhs_value): New variable.
1062 (combine_instructions): Set it.
1063 (distribute_notes): When distributing a note in replaced_rhs_insn,
1064 check whether the value was used in replaced_rhs_value.
1066 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1069 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1070 add_referenced_var instead of add_referenced_tmp_var.
1071 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1072 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1074 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1075 tree_optimize_tail_calls_1): Use add_referenced_var.
1076 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1077 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1078 Use add_referenced_var.
1079 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1080 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1081 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1082 Use add_referenced_var.
1083 * tree-dfa.c (struct walk_state): Remove.
1084 (find_referenced_vars): Remove walk state and vars_found hash table.
1085 (make_rename_temp): Use add_referenced_var.
1086 (find_vars_r): Pass less parameters to add_referenced_var.
1087 (referenced_var_p): New. Is var in referenced_var hash table.
1088 (referenced_var_insert): Assert var isn't already in hash table.
1089 (add_referenced_var): Don't need walk_state parameter. Add var if it
1090 isn't already in the hash table.
1091 (add_referenced_tmp_var): Remove.
1092 (find_new_referenced_vars_1): Use add_referenced_var.
1093 * tree-ssa-pre.c (create_expression_by_pieces,
1094 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1095 Use add_referenced_var.
1096 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1097 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1098 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1100 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1101 vect_create_data_ref_ptr, vect_create_destination_var,
1102 vect_init_vector, vect_build_loop_niters,
1103 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1104 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1105 Use add_referenced_var.
1106 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1107 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1108 (add_referenced_var): Add prototype.
1109 * tree-ssa-structalias.c (get_constraint_for,
1110 intra_create_variable_infos): Use add_referenced_var.
1112 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1114 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1115 big-endian paradoxical subregs.
1116 * var-tracking.c (struct micro_operation_def): Document that,
1117 for modify micro operations, insn is the subsequent instruction.
1118 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1119 (var_reg_set, var_mem_set): ... new functions.
1120 (add_stores): Record subsequent insn.
1121 (compute_bb_dataflow): Use new functions for MO_USE.
1122 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1123 notes after the insn, and modify notes before the insn known
1124 to be the subsequent one.
1125 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1127 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1130 * config/i386/i386.c (ix86_expand_builtin): Use
1131 gen_sse3_monitor64 for TARGET_64BIT.
1133 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1135 PR rtl-optimization/26375
1136 PR rtl-optimization/26855
1137 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1139 (df_ru_bb_local_compute): Reversed statements and removed bogus
1140 comment explaining why they should be in wrong order.
1141 (df_ru_dump, df_rd_dump): Enhanced debug info.
1142 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1144 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1145 reaching uses and fixed space problem.
1147 2006-05-23 Jan Hubicka <jh@suse.cz>
1149 * cgraphunit.c (decide_is_function_needed): Also nested functions
1150 and functions declared inline can be optimized out at -O0.
1152 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1154 * doc/install.texi (Configuration): Remove reference to CrossGCC
1155 FAQ which was hijacked.
1158 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1161 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1162 ix86_compare_emitted is non-NULL.
1164 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1167 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1170 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1172 PR rtl-optimization/25514
1173 * combine.c (replaced_rhs_insn): New variable.
1174 (combine_instructions): Set replaced_rhs_insn when trying to replace
1175 a SET_SRC with a REG_EQUAL note.
1176 (distribute_notes): Use replaced_rhs_insn when determining the live
1177 range of a REG_DEAD register.
1179 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1180 Anatoly Sokolov <aesok@post.ru>
1182 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1183 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1184 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1185 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1186 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1187 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1188 at90usb647, at90usb1286 and at90usb1287 devices.
1189 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1190 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1192 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1194 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1196 2006-05-22 Richard Guenther <rguenther@suse.de>
1199 2006-01-31 Richard Guenther <rguenther@suse.de>
1200 Paolo Bonzini <bonzini@gnu.org>
1202 * doc/install.texi (--disable-libgcc-math): Document.
1204 2006-05-22 Richard Guenther <rguenther@suse.de>
1207 2006-01-31 Richard Guenther <rguenther@suse.de>
1209 * doc/invoke.texi (-msselibm): Document.
1210 * target.h (expand_library_builtin): New target hook.
1211 * builtins.c (expand_builtin): Use expand_library_builtin.
1212 (default_expand_library_builtin): New function.
1213 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1214 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1215 (link_gcc_math_spec): Declare.
1216 (static_specs): Add link_gcc_math_spec.
1217 * expr.h (default_expand_library_builtin): Declare.
1218 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1219 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1220 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1221 * config/i386/i386.opt (msselibm): New target option.
1222 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1223 (ix86_init_sse_abi_builtins): New function.
1224 (ix86_expand_library_builtin): Likewise.
1225 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1226 (override_options): Handle error conditions wrt -msselibm.
1227 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1228 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1229 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1232 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1235 * c-common.c (self_promoting_args_p): Skip erroneous args.
1238 * c-decl.c (finish_struct): Skip erroneous fields.
1240 2006-05-22 Nick Clifton <nickc@redhat.com>
1242 * config/cris/cris.opt (march): Remove VarExists attribute.
1243 (max-stackframe=): Likewise.
1245 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1247 * doc/rtl.texi: Fix a typo.
1248 * see.c: Fix comment typos.
1250 * tree-ssa-structalias.h (alias_info): Remove num_references.
1252 2006-05-21 Mike Stump <mrs@apple.com>
1254 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1256 (darwin_pragma_options): Use BAD instead.
1257 (darwin_pragma_unused): Likewise.
1258 (darwin_pragma_ms_struct): Likewise.
1260 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1262 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1264 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1266 PR rtl-optimization/27671
1267 * simplify-rtx.c (simplify_relational_operation_1): Fix
1268 simplifications of (eq/ne (xor x y) y) and
1269 (eq/ne (xor x y) x).
1271 PR tree-optimization/26622.
1272 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1275 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1277 * tree-cfg.c: Prune whitespace.
1278 (debug_tree_cfg): Point to correct header containing the
1281 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1284 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1286 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1289 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1290 or sorry count is non zero.
1292 2006-05-20 Andreas Schwab <schwab@suse.de>
1294 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1296 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1297 Kenneth Zadeck <zadeck@naturalbridge.com>
1299 PR rtl-optimization/26855
1301 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1303 (df_scan_alloc): Added code to properly handle multiword hard
1304 registers and add all_blocks parameter.
1305 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1306 code to properly handle multiword hard registers.
1307 (df_rescan_blocks): Added code to remove deleted blocks from
1309 (df_ref_create_structure, df_ref_record): Added code to properly
1311 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1312 and set DF_REF_PARTIAL.
1313 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1314 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1315 (df_scan_add_problem): Added flags parameter.
1316 (df_ref_create_structure): Changed switching structure.
1317 (df_bb_refs_record): Fixed case where duplicate artificial refs
1318 were created. Changed location of flags.
1319 (df_record_entry_block_defs): Added code to make stack pointer
1320 live in entry block. Refined cases where frame pointer is needed.
1321 Changed location of flags.
1322 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1323 (df_set_state): Removed function.
1324 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1325 df_insn_create_insn_record, df_insn_refs_delete,
1326 df_ref_create_structure): Formatting changes.
1327 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1328 df_delete_basic_block): New function.
1329 (df_init): Changed location of flags.
1330 (df_add_problem): Added flags parameter and the way flags are
1332 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1333 debug_df_chain): Improved debugging output.
1334 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1335 (df_refs_chain_dump): Removed df parameter.
1336 (df_iterative_dataflow): Added consistency check.
1337 (df_prune_to_subcfg): Made public.
1338 (df_analyze_problem): Added blocks_to_init parameter and made
1340 (df_ref_record, df_bb_refs_record, df_mark_reg,
1341 df_record_exit_block_uses): Whitespace changes.
1342 (df_dump): Whitespace changes.
1343 * df.h: Some reordering to remove forward references.
1344 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1345 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1346 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1347 (dataflow.flags): New field.
1348 (df.flag): Deleted field.
1349 (df_alloc_function): Added additional bitmap parameter.
1350 (df_dependent_problem_function): New type.
1351 (df_problem.changeable_flags): New field.
1352 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1353 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1354 (df_mw_hardreg): New struct.
1355 (DF_INSN_UID_MWS): New macro.
1356 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1358 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1359 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1360 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1361 (df_set_state): Removed function.
1362 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1363 * df-problems.c (df_chain_dump): Removed df parameter.
1364 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1365 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1367 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1368 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1369 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1370 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1371 DF_REF_MUST_CLOBBER cases.
1372 (df_ru_bb_local_compute_process_def,
1373 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1374 df_lr_bb_local_compute, df_ur_bb_local_compute,
1375 df_chain_create_bb): Made subreg aware.
1376 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1377 df_lr_bb_local_compute, df_lr_bb_local_compute,
1378 df_chain_create_bb): Cleanup to use proper macros.
1379 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1380 code to fixup bitvectors.
1381 (df_ri_alloc): Cleared lifetime.
1382 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1383 df_create_unused_note): New function.
1384 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1385 REG_DEAD and REG_UNUSED notes as well as register information.
1386 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1387 df_chains_dump): Fixed crash if problem was never run.
1388 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1389 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1390 df_ri_add_problem): Processes flags in uniform manner.
1391 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1392 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1393 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1394 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1395 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1396 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1397 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1398 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1399 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1400 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1401 * see.c (see_initialize_data): Ditto.
1402 * final.c (rest_of_clean_state) Added regstack_completed.
1403 * rtl.h (regstack_completed): Ditto.
1404 * reg-stack.c (regstack_completed): Ditto.
1406 2006-05-19 Mike Stump <mrs@apple.com>
1408 * c-tree.h (default_conversion): Remove.
1409 * c-common.h (default_conversion): Add.
1411 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1413 * tree-vrp.c (valid_value_p): New function.
1414 (adjust_range_with_scev): Fail if the value of bound is not
1417 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1419 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1420 (mips_fallback_frame_state): Use syscall numbers to determine
1421 the appropriate li instruction for the current ABI. Only use
1422 __NR_sigreturn for o32.
1424 2006-05-19 Nicolas Setton <setton@adacore.com>
1426 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1427 * langhooks.c (lhd_dwarf_name): New function.
1428 * langhooks-def.h (lhd_dwarf_name): Declare.
1429 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1430 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1431 * ada/misc.c (gnat_dwarf_name): New function.
1432 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1434 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1436 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1438 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1439 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1440 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1441 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1442 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1443 determine the size of Wtype, etc.
1444 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1445 (swfloatfuncs): New variable.
1446 (dwfloatfuncs): Likewise.
1447 (lib2funcs): Remove floating-point conversion functions from
1448 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1449 the set of conversion routines needed. Allow entries to specify
1450 an object name, filename and word size. Update users accordingly.
1451 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1452 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1456 2006-02-08 Roger Sayle <roger@eyesopen.com>
1459 * config/fixtfdi.c: New libgcc source file.
1460 * config/fixunstfdi.c: New source file.
1461 * config/floatditf.c: New source file.
1462 * config/floatunditf.c: New souce file.
1463 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1464 files above instead of config/mips/_tilib.c.
1465 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1467 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1469 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1470 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1472 2006-05-18 Mike Stump <mrs@apple.com>
1474 Fix up vla, vm and [*] sematics.
1480 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1481 (c_vla_unspec_p): Add.
1482 (c_vla_type_p): Add.
1483 * c-decl.c (struct c_scope): Add had_vla_unspec.
1484 (build_array_declarator): Add support for [*].
1485 (grokdeclarator): Likewise.
1486 (grokparms): Likewise.
1487 (get_parm_info): Likewise.
1488 * c-objc-common.c (c_vla_unspec_p): Likewise.
1489 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1490 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1491 typeof when argument is a variably modified type not inside sizeof or alignof.
1492 (c_parser_direct_declarator_inner): Propagate errors.
1493 (c_parser_sizeof_expression): Add support for [*].
1494 (c_parser_parms_declarator): Initialize had_vla_unspec.
1495 (c_parser_parms_list_declarator): Likewise.
1496 * c-typeck.c (c_vla_type_p): Add.
1497 (composite_type): Add support for vla compositing.
1498 (comptypes_internal): Add support for vla compatibility.
1499 (c_expr_sizeof_expr): Evaluate vla arguments.
1500 * tree.c (variably_modified_type_p): Update comment for [*].
1502 2006-05-18 Michael Matz <matz@suse.de>
1505 * config.host: Make assignments to host_xmake_file cumulative.
1506 * config.host (*-darwin*): Test $host, not $target.
1508 2006-05-12 Stuart Hastings <stuart@apple.com>
1510 * config/i386/i386.opt (-mstackrealign): New flag.
1511 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1512 (ix86_handle_cconv_attribute): Emit error when
1513 force_align_arg_pointer attribute collides with too many regparms.
1514 (ix86_function_regparm): Limit regparms when used with
1515 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1516 Support stack-realigning prologue in non-main functions. Emit
1517 warning for nested functions under -mstackrealign, emit error for
1518 nested functions with force_align_arg_pointer attribute.
1519 * doc/extend.texi (force_align_arg_pointer): Document it.
1520 * doc/invoke.texi (-mstackrealign): Document it.
1522 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1524 PR rtl-optimization/27477
1525 * combine.c (try_combine): Don't split a parallel consisting
1526 of two sets into two individual sets if both sets reference
1529 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1531 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1532 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1534 * doc/options.texi (VarExists): Updated.
1536 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1538 * unwind-dw2.c: Add declarations for uw_update_context and
1540 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1541 detected, advance frame state and context once to skip over stub.
1543 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1547 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1548 Call rewrite_into_loop_closed_ssa only when something changed.
1549 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1550 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1551 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1552 Test for perfect_nest_p here. Fix formating.
1553 (replace_uses_equiv_to_x_with_y): Fix formating.
1554 (stmt_uses_op): Removed.
1555 (can_convert_to_perfect_nest): Removed loopivs parameter.
1556 Complete the test by checking the scalar dependences.
1557 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1560 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1563 From Dan Kegel <dank@kegel.com>:
1564 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1566 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1568 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1569 if the element type is variably modified without recursing.
1571 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1574 * tree-loop-linear.c (try_interchange_loops): Test for
1575 no data dependences.
1577 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1579 PR tree-optimization/27548
1580 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1581 range of ssa names that appear on abnormal edges.
1582 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1583 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1585 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1588 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1590 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1593 * tree.h (OMP_PARALLEL_COMBINED): Define.
1594 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1595 (new_omp_context): Add is_combined_parallel argument.
1596 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1597 new_omp_context caller.
1598 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1599 Adjust gimplify_scan_omp_clauses callers.
1600 (omp_is_private): Issue errors if iteration variable is firstprivate
1601 or reduction in the current context.
1602 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1603 on combined parallel workshare constructs.
1605 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1607 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1608 (gcc-options.o): New rule.
1610 * optc-gen.awk: Protect variables for gcc-options.o with
1611 #ifdef GCC_DRIVER/#endif.
1613 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1615 Fix PR tree-optimization/27373
1616 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1617 (forward_propagate_addr_expr): Update call.
1619 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1621 * doc/options.texi: Move the Negative option.
1623 2006-05-16 Richard Guenther <rguenther@suse.de>
1625 PR tree-optimization/22303
1626 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1628 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1629 ccp_fold did not simplify the statement.
1631 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1634 * Makefile.in (GCC_OBJS): New.
1635 (OBJS-common): Add opts-common.o.
1636 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1637 (cpp$(exeext)): Likewise.
1638 (gcc.o): Also depend on opts.h.
1639 (opts-common.o): New.
1641 * common.opt (gcoff): Add Negative(gdwarf-2).
1642 (gdwarf-2): Add Negative(gstabs).
1643 (gstabs): Add Negative(gstabs+).
1644 (gstabs+): Add Negative(gvms).
1645 (gvms): Add Negative(gxcoff).
1646 (gxcoff): Add Negative(gxcoff+).
1647 (gxcoff+): Add Negative(gcoff).
1648 * config/i386/i386.opt (m32): Add Negative(m64).
1649 (m64): Add Negative(m32).
1651 * doc/options.texi: Document the Negative option.
1653 * gcc.c: Include "opts.h".
1654 (main): Call prune_options after expandargv.
1656 * optc-gen.awk: Generate common declarations for all flag
1657 variables in options.c. Output the neg_index field.
1659 * opts.c (find_opt): Moved to ...
1660 * opts-common.c: Here. New file.
1662 * opts.h (cl_option): Add a neg_index field.
1664 (prune_options): Likewise.
1666 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1669 * omp-low.c (expand_omp_parallel): Don't assert
1670 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1671 instead search for it.
1674 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1677 2006-05-16 Andreas Schwab <schwab@suse.de>
1679 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1682 2006-05-15 Roger Sayle <roger@eyesopen.com>
1685 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1686 integer constants other than zero are only legitimate on TARGET_64BIT.
1687 <CONST_VECTOR> Only zero vectors are legitimate.
1688 (ix86_cannot_force_const_mem): Integral and vector constants can
1689 always be put in the constant pool.
1691 2006-05-16 DJ Delorie <dj@redhat.com>
1693 * crtstuff.c (__dso_handle): Set section from
1694 TARGET_LBIGCC_SDATA_SECTION if defined.
1695 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1696 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1698 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1701 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1704 2006-05-16 Ben Elliston <bje@au.ibm.com>
1706 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1708 2006-05-15 Per Bothner <per@bothner.com>
1710 * tree.c: (last_annotated_node): Use source_locus typedef.
1711 This permits bootstrapping with --enable-mapped-location.
1713 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1715 PR tree-optimization/26830
1716 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1717 (info_for_ssa_name, current_info_for_ssa_name_age,
1718 blocks_to_update): New variables.
1719 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1720 (clear_ssa_name_info, initialize_flags_in_bb,
1721 mark_block_for_update): New functions.
1722 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1723 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1724 prepare_def_site_for): Use mark_block_for_update.
1725 (mark_def_interesting): Assert that the processed block is marked in
1726 blocks_to_update. Do not take blocks argument.
1727 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1729 (rewrite_update_init_block, rewrite_update_stmt): Only process
1730 blocks with statements to rewrite.
1731 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1732 (update_ssa): Initialize and free blocks_to_update. Do not
1733 clear flags on statements. Do not use blocks bitmap.
1734 * tree.h (SSA_NAME_AUX): Removed.
1735 (struct tree_ssa_name): Removed aux field.
1736 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1738 2006-05-15 Richard Guenther <rguenther@suse.de>
1740 PR tree-optimization/27603
1741 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1742 Do computations in original type.
1744 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1746 * see.c: Code style changes such as redundant paranthesis,
1747 redundant intialization of local variables etc.
1748 (see_main): Declared now as static.
1749 * doc/invoke.texi: Update that -fsee is not enabled by
1752 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1754 * omp-low.c (check_omp_nesting_restrictions): New function.
1755 (scan_omp_1): Call it.
1758 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1759 construct, return *VAR.
1761 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1763 PR rtl-optimization/27406
1764 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1767 2006-05-14 Roger Sayle <roger@eyesopen.com>
1769 PR rtl-optimization/27538
1770 * combine.c (expand_compound_operation): Call gen_lowpart
1771 before calling simplify_shift_const.
1773 2006-05-14 Roger Sayle <roger@eyesopen.com>
1775 PR rtl-optimization/22563
1776 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1777 a fixed width bitfield, always force the intermediates into psuedos.
1779 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1782 * mkconfig.sh: Use operator = instead of == for test.
1784 2006-05-13 Nick Clifton <nickc@redhat.com>
1786 * dwarf2out.c (dbx_reg_number): Check return value from
1787 LEAF_REG_REMAP and only use it if it is valid.
1788 (multiple_reg_loc_descriptor): Likewise.
1790 2006-05-13 Richard Guenther <rguenther@suse.de>
1792 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1795 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1797 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1798 information attached to non-INSNs such as NOTEs.
1799 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1801 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1803 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1805 * config/s390/s390.md: Adjust comment describing On constraint.
1807 2006-05-11 Jan Hubicka <jh@suse.cz>
1809 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1810 to be output at -O0.
1812 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1815 * fold-const.c (size_binop): Move sanity check for arguments to
1816 the beginning of the function.
1819 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1822 2006-05-11 Richard Guenther <rguenther@suse.de>
1825 * fold-const.c (fold_unary): Handle intermediate conversion
1826 to a pointer type like intermediate conversion to an integer
1827 type in folding of (T1)(T2)var to var.
1828 Match the code to the comment in the final conversion for
1829 (T1)(T2)var to (T1)var regarding to type precision. Rather
1830 than disallow T1 being of pointer type, assert that both T1
1831 and var are of pointer type or not. Make sure not to fall
1832 over the frontends lazyness wrt array to pointer decay though.
1834 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1836 * arm.c (arm_struct_value_rtx): Delete.
1837 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1838 (arm_init_cumulative_args): Always initialize nregs to zero.
1840 2006-05-10 Richard Guenther <rguenther@suse.de>
1842 PR tree-optimization/27532
1843 * tree-object-size.c (plus_expr_object_size): Fix typo.
1845 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1848 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1849 ashrdi_const, ashrdi3): Use a scratch register.
1851 2006-05-10 Richard Guenther <rguenther@suse.de>
1853 PR tree-optimization/27302
1854 * fold-const.c (operand_equal_p): For two comparisons,
1855 try comparison of one comparison code swapped if that yields
1858 2006-05-10 Ben Elliston <bje@au.ibm.com>
1860 * tree-pretty-print.c (pretty_print_string): No need to handle
1861 '\0' as a special character.
1863 * tree.h: Include "hashtab.h".
1864 (iterative_hash_expr): Use hashval_t in its prototype.
1865 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1867 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1870 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1871 (hppa*64*-*-hpux11*): Ditto.
1872 (hppa[12]*-*-hpux11*): Ditto.
1874 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1877 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1879 2006-05-09 Michael Matz <matz@suse.de>
1881 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1882 host_extra_gcc_objs and host_xmake_file.
1883 (<*-*-linux*>): Don't overwrite host_xmake_file.
1884 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1885 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1886 (host_detect_local_cpu): Declare.
1887 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1888 * config/i386/i386.c (override_options): Handle -mtune=native
1890 * config/i386/x-i386: New file.
1891 * config/i386/driver-i386.c: New file.
1892 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1895 2006-05-09 Dirk Mueller <dmueller@suse.de>
1896 Richard Guenther <rguenther@suse.de>
1899 * fold-const.c (fold_read_from_constant_string): Relax check
1900 for matching types to matching modes.
1902 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1904 PR rtl-optimization/27335
1905 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1908 2006-05-08 Chao-ying Fu <fu@mips.com>
1909 Richard Sandiford <richard@codesourcery.com>
1911 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1912 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1913 * config/mips/mips.md (UNSPEC_SCC): New constant.
1914 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1915 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1916 (mips_emit_compare): Use it.
1917 (mips_expand_vcondv2sf): New function.
1919 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1921 Fix PR tree-optimization/27093
1922 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1923 renaming when they become not-used_alone.
1925 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1927 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1928 relocation and relocation stubs.
1930 2006-05-08 Eric Christopher <echristo@apple.com>
1932 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1935 2006-05-08 Jan Hubicka <jh@suse.cz>
1938 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1939 unused static functions are needed.
1941 2006-05-08 Roger Sayle <roger@eyesopen.com>
1944 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1945 of a reg_equiv_constant if the result is a legitimate constant.
1947 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1950 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1951 standard 80387 constants, raise the cost to prevent
1952 compress_float_constant() to generate load from memory.
1954 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1956 * config/arm/constraints.md (c): Fix a typo.
1958 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1961 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1964 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1966 (_mm_mwait): Likewise.
1968 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1970 (sse3_monitor): Make it 32bit only.
1971 (sse3_monitor64): New. 64bit monitor.
1973 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1976 * config/i386/i386.c (classify_argument): Skip fields with invalid
1979 2006-05-07 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/27409
1982 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1983 Do not try to find zero-sized subvars.
1985 2006-05-07 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/27136
1988 * tree-ssa-loop-niter.c (get_val_for): Correct function
1989 comment, assert requirements.
1990 (loop_niter_by_eval): Stop processing if the iterated
1991 value did not simplify.
1993 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1995 * opts.c (flag_see): remove its setting at -O3.
1997 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1999 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2000 * arm/constraints.md: New file.
2001 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2002 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2003 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2004 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2005 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2006 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2007 * arm.md: Include constraints.md.
2008 (thumb_movsi_insn): Use satisfies_constraint_J.
2009 (movhi, movqi): Use satisfies_constraint_I.
2011 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2013 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2014 for atmeg a645 device.
2016 2006-05-06 Richard Guenther <rguenther@suse.de>
2018 PR tree-optimization/27151
2019 * tree-vect-transform.c (vectorizable_condition): Punt on
2020 values that have a different type than the condition.
2022 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2025 * c-parser.c (c_parser_cast_expression): Only insert casts into
2026 hash table if pointer.
2027 * function.c (used_types_insert_helper): Rename from
2029 (used_types_insert): Call used_types_insert_helper.
2030 * function.h (used_types_insert): Accept only one argument.
2032 2006-05-05 David Edelsohn <edesohn@gnu.org>
2034 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2035 scratch with output modifier.
2037 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2040 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2041 with output modifier.
2043 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2046 * config/mips/mips.c (mips_symbolic_address_p): Return true
2047 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2048 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2050 2006-05-04 Richard Guenther <rguenther@suse.de>
2052 PR tree-optimization/14287
2053 PR tree-optimization/14844
2054 PR tree-optimization/19792
2055 PR tree-optimization/21608
2056 PR tree-optimization/27090
2057 * tree-ssa-pre.c (try_combine_conversion): New function.
2058 (compute_avail): After constructing the value-handle
2059 expression, use try_combine_conversion to combine NOP_EXPRs
2060 with previous value-handle expressions and use the result if it
2063 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2065 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2067 2006-05-04 Jan Hubicka <jh@suse.cz>
2070 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2072 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2074 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2075 that this only matches CONST_INTs. All users changed to VOIDmode
2078 * config/bfin/bfin.c: Include "optabs.h".
2079 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2081 (enum bfin_builtins): Add a number of fractional and vector builtins.
2082 (bfin_init_builtins): Likewise.
2083 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2084 (safe_vector_operand, bfin_expand_binop_builtin,
2085 bfin_expand_unop_builtin): New functions.
2086 (bfin_expand_builtin): Handle the new builtins.
2087 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2090 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2093 * Makefile.in (OBJS-common): Add see.o.
2094 (see.o): Add dependencies.
2095 * common.opt (fsee): New flag for the see optimization was added.
2096 * opts.c (flag_see): Initialized.
2097 * passes.c (init_optimization_passes, pass_see): New pass.
2098 * rtl.h (see_main): Declaration as extern.
2099 * timevar.def (TV_SEE): New.
2100 * tree-pass.h (pass_see): Declaration as extern.
2101 * invoke.texi (-fsee): Document.
2102 * recog.c (validate_simplify_insn): New function.
2103 * recog.h (validate_simplify_insn): Declaration as extern.
2104 * df-problems.c (df_chain_dump): Check for NULL.
2106 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2107 Daniel Berlin <dberlin@dberlin.org>
2109 * cfgrtl.c (insert_insn_bb_end_new): New function.
2110 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2112 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2114 * df.h (struct web_entry): Moved from web.c.
2115 (union_defs): Declaration as extern.
2116 (unionfind_root): Likewise.
2117 (unionfind_union): Likewise.
2118 * web.c (struct web_entry): Moved to df.h.
2119 (unionfind_root): Remove static declaration.
2120 (unionfind_union): Likewise.
2121 (union_defs): Likewise and generalize to use callback function.
2122 (web_main): Update arguments for union_defs function call.
2124 2006-05-04 Richard Guenther <rguenther@suse.de>
2126 PR tree-optimization/26447
2127 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2128 produce SSA_NAME copies before the store stmt to avoid
2129 breaking exception handling.
2131 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2134 * gimplify.c (omp_is_private): If var is shared in some outer context,
2135 return false instead of true. Stop searching on parallel context
2138 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2141 * coverage.c: Use get_gcov_unsigned_t() instead of
2142 unsigned_type_node all over.
2144 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2146 PR tree-optimization/27381
2147 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2148 maintain the same immediate_use links.
2149 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2150 node rather than segfaulting.
2152 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2155 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2156 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2157 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2159 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2161 Fix PR tree-optimization/26626
2162 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2164 * tree-ssa-operands.c (access_can_touch_variable): Allow
2165 typecasting through union pointers.
2167 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2170 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2171 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2172 to find if var will be a global variable even in the nested context.
2173 (omp_copy_decl): Only check for global variable at the end, it might
2174 be overridden in outer contexts.
2175 (scan_sharing_clauses): For global variables don't create a field.
2176 (lower_rec_input_clauses): Do nothing for global shared variables.
2177 Emit a barrier at the end of ILIST if there were any decls in both
2178 firstprivate and lastprivate clauses.
2179 (lower_send_clauses): Do nothing for global variables except for
2182 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2184 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2185 of the correct signedness is returned.
2187 2006-05-02 Jeff Law <law@redhat.com>
2189 PR tree-optimization/27364
2190 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2191 multiply expressions.
2193 2006-05-02 Tom Tromey <tromey@redhat.com>
2195 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2197 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2200 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2201 -mthumb -fPIC are used.
2203 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2204 Joshua Kinard <kumba@gentoo.org>
2207 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2208 with 64-bit pointers.
2210 2006-05-02 Paul Brook <paul@codesourcery.com>
2212 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2214 (create_fix_barrier): Check that a suitable barrier location is
2216 (arm_reorg): Include ftmp->address in allowable range of addresses.
2218 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2221 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2224 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2227 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2228 around RESULT_DECL for result passed by reference.
2229 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2230 * omp-low.c (use_pointer_for_field): Don't look at
2231 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2232 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2233 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2234 time or var for passing by reference for
2235 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2236 TREE_ADDRESSABLE variables when passing by reference.
2238 * omp-low.c (dump_omp_region): Fix output formatting.
2241 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2242 (expand_omp_parallel): Likewise.
2243 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2246 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2247 on statement list containing also constructors and destructors.
2248 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2251 * except.c (duplicate_eh_regions): Fix clearing of
2252 cfun->eh->region_array entries.
2254 2006-05-01 DJ Delorie <dj@redhat.com>
2256 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2258 (gcc_cv_objdump): Likewise.
2259 * configure: Regenerated.
2261 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2264 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2265 templates for case 3 and 4.
2267 2006-05-01 DJ Delorie <dj@redhat.com>
2269 * vec.c: Include bconfig.h when appropriate.
2270 * Makefile.in (build/vec.o): Adjust dependencies.
2271 * mkconfig.sh: Make sure config.h isn't used for build machine
2274 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2276 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2278 (mark_phi_for_rewrite): New function.
2279 (insert_phi_nodes_for, mark_use_interesting): Call
2280 mark_phi_for_rewrite.
2281 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2282 (update_ssa): Initialize and free phis_to_rewrite.
2284 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2286 PR rtl-optimization/27291
2287 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2288 folded to a constant.
2290 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2292 PR tree-optimization/27283
2293 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2294 not whole # of iteration descriptions.
2295 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2296 uses abnormal ssa name.
2297 (niter_for_single_dom_exit): Ditto.
2298 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2299 return just the number of iterations.
2301 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2303 PR tree-optimization/27144
2304 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2305 (record_estimate): Only record constant upper bound.
2306 (infer_loop_bounds_from_undefined): Call
2307 compute_estimated_nb_iterations just once.
2308 (proved_non_wrapping_p): Renamed to ...
2309 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2310 (convert_step_widening, scev_probably_wraps_p): Call
2311 n_of_executions_at_most instead of proved_non_wrapping_p.
2312 (substitute_in_loop_info): Do not replace values in bounds.
2313 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2316 2006-05-01 Richard Henderson <rth@redhat.com>
2319 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2320 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2323 2006-05-01 Roger Sayle <roger@eyesopen.com>
2325 * c-typeck.c (parser_build_binary_op): Don't call the function
2326 unsigned_conversion_warning to spot operand/result type overflow.
2327 (build_binary_op): Instead, call convert_and_check instead of
2328 convert to report the problem when the operands are promoted.
2329 * c-common.c (unsigned_conversion_warning): Make static.
2330 * c-common.h (unsigned_conversion_warning): Delete prototype.
2332 2006-05-01 Richard Guenther <rguenther@suse.de>
2334 PR tree-optimization/26726
2335 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2337 (find_interesting_uses_address): ... we work around here
2338 by folding INDIRECT_REFs in the substituted base.
2340 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2342 * omp-low.c (dump_omp_region): Add newlines.
2344 2006-04-30 Roger Sayle <roger@eyesopen.com>
2346 * common.opt (Woverflow): New command line option.
2347 * c-common.c (constant_expression_warning): Check warn_overflow.
2348 (overflow_waring): Pass OPT_Woverflow to warning.
2349 (unsigned_conversion_warning): Likewise.
2350 (convert_and_check): Likewise.
2351 * doc/invoke.texi: Document new command line option.
2353 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2355 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2356 TARGET_NO_FP_IN_TOC for section anchors.
2357 (optimization_options): Enable section anchors for all
2358 non-"Objective" languages.
2360 2006-04-28 Eric Christopher <echristo@apple.com>
2362 * config/darwin-c.c (darwin_ms_struct): Move this
2363 (darwin_set_default_type_attributes): and this...
2364 * config/darwin.c: ... here.
2365 * config/darwin.h (darwin_ms_struct): Declare.
2367 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2369 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2371 2006-04-28 Roger Sayle <roger@eyesopen.com>
2374 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2375 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2376 an unsigned HOST_WIDE_INT.
2377 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2379 (really_start_incremental_init): No need to call convert because
2380 bitsize_zero_node is already of type bitsizetype.
2381 (push_init_level): Extract the value of constructor_index as an
2382 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2383 (process_init_element): Likewise.
2385 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2387 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2388 value before passing to make_relative_prefix.
2390 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2393 * builtins.c (expand_builtin_memset): Expand val in original mode.
2395 2006-04-27 Eric Christopher <echristo@apple.com>
2397 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2398 with #ifndef/#endif.
2399 * config/darwin-c.c (darwin_ms_struct): New.
2400 (darwin_pragma_ms_struct): Ditto.
2401 (darwin_set_default_type_attributes): Ditto.
2402 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2403 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2404 Register ms_struct pragma.
2405 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2406 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2407 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2408 darwin_set_default_type_attributes if TARGET_MACHO.
2410 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2412 PR tree-optimization/26854
2413 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2414 * doc/tree-ssa.texi: Update immuse iterator documentation.
2415 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2416 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2417 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2418 first_safe_imm_use, next_safe_imm_use): Remove.
2419 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2420 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2421 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2422 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2423 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2424 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2425 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2426 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2427 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2428 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2429 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2430 (perfect_nestify): Use new iterator.
2431 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2433 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2434 (next_imm_name): New field in struct immediate_use_iterator_d.
2435 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2436 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2437 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2438 * tree-cfg.c (replace_uses_by): Use new iterator.
2439 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2440 * tree-ssa-operands.c (correct_use_link): Remove.
2441 (finalize_ssa_use_ops): No longer call correct_use_link.
2443 2006-04-27 Stuart Hastings <stuart@apple.com>
2445 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2446 * config/t-darwin (crt3.o): Use it.
2447 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2448 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2449 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2450 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2451 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2454 2006-04-27 Roger Sayle <roger@eyesopen.com>
2456 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2457 size, force the intermediate into a new pseudo rather instead of
2458 performing both a bitwise AND and a bitwise IOR in memory.
2460 2006-04-27 Richard Guenther <rguenther@suse.de>
2462 PR rtl-optimization/26685
2463 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2464 this one "max-flow-memory-locations".
2466 2006-04-27 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/25148
2469 * tree-vrp.c (compare_values): Remove code dealing with
2470 comparisons against type min/max value. Honour overflow
2471 and negative constants in code dealing with comparisons
2472 of plus and minus expressions.
2473 (value_inside_range): Use fold_binary with LE_EXPR and
2474 GE_EXPR rather than compare_values.
2476 2006-04-27 Dirk Mueller <dmueller@suse.de>
2478 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2481 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2483 * basic-block.h (safe_insert_insn_on_edge): Removed.
2484 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2486 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2487 Paolo Bonzini <bonzini@gnu.org>
2490 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2491 (simplify_and_const_int): Same.
2493 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2495 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2497 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2500 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2501 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2502 cgraph_global_info_ready.
2505 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2508 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2509 either decl or init is error_mark_node.
2512 * tree-flow.h (struct omp_region): Add sched_kind.
2513 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2514 instead of extracting omp for data.
2515 (expand_omp_for): Save extracted sched_kind.
2517 2006-04-25 Roger Sayle <roger@eyesopen.com>
2519 * expmed.c (store_bit_field): Also check whether the bitsize is
2520 valid for the machine's "insv" instruction before moving the
2521 target into a pseudo for use with the insv.
2522 * config/i386/predicates.md (const8_operand): New predicate.
2523 * config/i386/i386.md (extv, extzv, insv): Use the new
2524 const8_operand predicate where appropriate.
2526 2006-04-25 DJ Delorie <dj@redhat.com>
2528 * doc/install.texi (Specific): Clarify that this is not a list of
2529 supported hosts or targets.
2531 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2533 PR rtl-optimization/26725
2534 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2535 block's BB_DIRTY flag.
2537 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2539 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2542 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2543 to print an integer.
2545 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2547 * varasm.c (align_variable): New function.
2548 (get_block_for_decl): Apply align_variable to DECL before
2549 calculating section information.
2550 (assemble_variable): Split out alignment computation.
2552 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2554 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2557 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2559 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2560 MODE_PARTIAL_INT mode.
2561 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2562 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2564 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2565 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2567 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2569 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2571 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2572 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2573 MACFLAG_IH): Likewise.
2574 (movstricthi_1): Renamed from "*movstricthi".
2575 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2576 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2577 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2578 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2579 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2580 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2581 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2582 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2583 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2584 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2585 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2586 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2587 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2588 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2589 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2591 * doc/rtl.texi (ss_ashift): Improve wording.
2593 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2595 * dwarf2out.c (verify_marks_clear): New.
2596 (prune_unused_types): Call verify_marks_clear initially, not
2599 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2601 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2602 * doc/rtl.texi: Document them.
2603 * simplify-rtx.c (simplify_unary_operation,
2604 simplify_binary_operation_1): Don't abort when we see them.
2606 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2609 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2610 * configure.ac: Completely disregard languages that are not
2612 * configure: Regenerated.
2614 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2615 Richard Guenther <rguenther@suse.de>
2617 PR tree-optimization/27236
2618 * tree-inline.c (copy_body_r): Make sure to copy
2619 TREE_THIS_VOLATILE flag.
2621 2006-04-24 Richard Guenther <rguenther@suse.de>
2624 * tree-complex.c (update_parameter_components): Don't handle
2625 unused parameters which have no default def.
2627 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2628 Richard Guenther <rguenther@suse.de>
2630 PR tree-optimization/27218
2631 * tree-inline.c (expand_call_inline): Strip useless type
2632 conversions for the return slot address.
2634 2006-04-24 Richard Guenther <rguenther@suse.de>
2636 * cfgloop.h (struct loops): Remove unused field array. Reorder
2638 (LOOP_PREFETCH): Remove.
2640 2006-04-24 Richard Guenther <rguenther@suse.de>
2642 PR tree-optimization/22525
2643 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2644 variable, adjust types of generated expressions.
2646 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2648 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2649 (tree-vect-patterns.o): Likewise.
2651 (cselib.o): Likewise.
2652 (loop-doloop.o): Likewise.
2653 (regclass.o): Likewise.
2654 (reload1.o): Likewise.
2655 (explow.o): Replace target.h with $(TARGET_H).
2656 (ipa-prop.o): Likewise.
2657 (ipa-cp.o): Likewise.
2658 (ipa-inline.o): Likewise.
2659 (reorg.o): Likewise.
2660 (reg-stack.o): Likewise.
2662 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2664 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2666 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2668 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2670 * configure.ac: Completely disregard languages that are not
2672 * configure: Regenerated.
2675 * c-common.h (c_build_bitfield_integer_type): Declare.
2676 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2677 * c-common.c (c_build_bitfield_integer_type): ... here.
2679 2006-04-23 Roger Sayle <roger@eyesopen.com>
2682 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2683 a SImode SUBREG of a floating point register after no_new_pseudos.
2685 2006-04-23 Roger Sayle <roger@eyesopen.com>
2687 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2688 identify potentially eliminable registers to additionally catch
2689 VIRTUAL_INCOMING_ARGS_REGNUM.
2690 (addsi3): Update the conditions on when to use addsi_small_int.
2692 2006-04-23 Roger Sayle <roger@eyesopen.com>
2695 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2696 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2697 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2699 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2701 * fold-const.c (range_predecessor): Use operand_equal_p
2702 as the predicate for equality.
2703 (range_successor): Likewise.
2705 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2708 * config/soft-fp/op-common.h: Fix a typo.
2710 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2713 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2714 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2716 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2718 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2720 * doc/tm.texi: Fix a typo.
2722 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2724 * dwarf2out.c (struct die_struct): Document that die_sib makes
2725 a circular linked list.
2726 (FOR_EACH_CHILD): New.
2727 (reverse_die_lists): Delete.
2728 (reverse_all_dies): Delete.
2729 (add_dwarf_attr): Correct documentation.
2730 (remove_child_with_prev): New.
2731 (remove_child_TAG): Update for change to die_struct, use
2732 remove_child_with_prev.
2733 (add_child_die): Update for change to die_struct.
2734 (splice_child_die): Use remove_child_with_prev and add_child_die.
2735 (print_die): Use FOR_EACH_CHILD.
2736 (die_checksum): Likewise.
2737 (assign_symbol_names): Likewise.
2738 (output_location_lists): Likewise.
2739 (build_abbrev_table): Likewise.
2740 (calc_die_sizes): Likewise.
2741 (mark_dies): Likewise.
2742 (unmark_dies): Likewise.
2743 (unmark_all_dies): Likewise.
2744 (output_die): Likewise.
2745 (prune_unused_types_mark): Likewise.
2746 (prune_unused_types_walk): Likewise.
2747 (same_die_p): Update for change to die_struct.
2748 (break_out_includes): Likewise.
2749 (prune_unused_types_prune): Likewise.
2750 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2751 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2753 (dwarf2out_finish): Don't call reverse_all_dies.
2755 2006-04-21 Eric Christopher <echristo@apple.com>
2757 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2758 in comments and function names.
2760 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2763 * c-typeck.c (digest_init): Robustify.
2765 * c-typeck.c (pop_init_level): Simplify.
2767 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2769 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2771 2006-04-21 Paul Brook <paul@codesourcery.com>
2773 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2774 hardware floating point.
2776 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2778 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2781 2006-04-21 Nick Clifton <nickc@redhat.com>
2783 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2786 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2789 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2790 C++ lang type in traceback table for Objective-C++.
2792 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2794 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2796 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2798 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2801 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2802 were errors. Remove check for erroneous objects.
2804 2006-04-20 Jeff Law <law@redhat.com>
2806 PR tree-optimization/26854
2807 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2808 checking for zero or one use.
2809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2810 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2811 * tree-ssa-reassoc.c (negate_value): Similarly.
2812 (reassociate_bb): Similarly.
2814 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2816 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2817 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2818 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2820 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2822 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2823 fp regs if the last fp arg doesn't fit in regs.
2825 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2828 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2829 that the last insn has the REG_INC note.
2831 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2832 Nathan Sidwell <nathan@codesourcery.com>
2835 * stor-layout.c (update_alignment_for_field): Do not align
2837 (place_union_field): Place union field at the start of the union.
2838 (place_field): Move ERROR_MARK check later, and use the current
2839 allocation position to maintain monotonicity.
2841 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2843 * dominance.c: Include timevar.h.
2844 (calculate_dominance_info): Use TV_DOMINANCE.
2845 * timevar.def (TV_DOMINANCE): New timevar.
2846 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2848 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2850 PR rtl-optimization/14261
2851 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2852 move would be an INSV insn.
2853 (noce_process_if_block): Don't optimize if the destination is a
2854 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2856 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2858 * config/s390/s390.md: Add comments with the instructions emitted
2859 by an insn pattern if macros are used.
2861 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2863 PR rtl-optimization/26026
2864 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2865 is a known power of two shifted left a variable amount.
2867 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2869 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2870 to hash table twice when the debug_str section has SECTION_MERGE.
2872 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2874 * config/soft-fp: New directory. From glibc.
2875 * config/soft-fp/t-softfp: New.
2876 * config/soft-fp/README: New.
2877 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2878 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2879 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2880 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2881 * config.gcc: Use rs6000/t-fprules-fpbit or
2882 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2884 * config/rs6000/sfp-machine.h: New. Based on glibc.
2885 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2887 * config/rs6000/t-fprules: Remove fp-bit rules.
2888 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2889 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2890 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2891 (softfp_wrap_start, softfp_wrap_end): New.
2893 2006-04-18 DJ Delorie <dj@redhat.com>
2895 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2897 2006-04-18 Devang Patel <dpatel@apple.com>
2899 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2901 2006-04-18 Nick Clifton <nickc@redhat.com>
2903 * config/sh/t-symbian: Add rule to build sh-c.o
2904 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2905 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2906 (sh_symbian_encode_section_info): Likewise.
2908 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2910 * builtins.c (expand_builtin_strcmp): Cover label definition of
2911 do_libcall with HAVE_cmpstrnsi.
2913 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2915 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2917 * function.h (temp_slot_p): New.
2918 (function): Change the type of x_used_temp_slots to
2919 VEC(temp_slot_p,gc) *.
2921 2006-04-18 Nick Clifton <nickc@redhat.com>
2923 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2924 flag_strength_reduce.
2926 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2928 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2932 Partial revert of revision 112637
2933 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2934 Dale Johannesen <dalej@apple.com>
2937 * regclass.c (struct reg_pref): Update documentation.
2938 (regclass): Set prefclass to NO_REGS if memory is the best option.
2939 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2941 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2943 PR tree-optimization/26821
2944 * tree-ssa-math-opts.c (get_constant_one): New.
2945 (insert_reciprocals): Use it.
2947 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2949 * dwarf2out.c (free_AT): Delete.
2950 (remove_AT): Update string ref counts.
2951 (remove_child_TAG): Don't call free_die.
2953 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2954 or DW_TAG_GNU_EINCL.
2955 (prune_unused_types_walk_attribs): Reset string refcounts.
2956 (prune_unused_types_update_strings): New.
2957 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2958 call free_die. Do call prune_unused_types_update_strings.
2959 (prune_unused_types): Empty debug_str_hash.
2961 2006-04-17 Roger Sayle <roger@eyesopen.com>
2963 * expr.c (expand_assignment): Optimize away no-op moves where the
2964 source and destination are equal and have no side-effects.
2966 2006-04-17 Richard Guenther <rguenther@suse.de>
2969 * reload.c (push_reload): Guard calls to get_secondary_mem
2972 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2974 * alias.c (reg_base_value, old_reg_base_value): Change the
2975 type to VEC(rtx,gc) *.
2976 (REG_BASE_VALUE, find_base_value, record_set,
2977 init_alias_analysis): Use VEC instead of VARRAY.
2979 * alias.c (alias_sets): Change the type to
2980 VEC(alias_set_entry,gc) *.
2981 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2982 VEC instead of VARRAY.
2983 (last_alias_set): Remove.
2985 * cgraph.h (cgraph_edge_p): New.
2986 Update the prototype of cgraph_function_versioning.
2987 * cgraphunit.c (cgraph_copy_node_for_versioning,
2988 cgraph_function_versioning): Use VEC instead of VARRAY.
2989 * ipa-cp.c (ipcp_insert_stage): Likewise.
2991 2006-04-16 Roger Sayle <roger@eyesopen.com>
2994 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2995 "A op B" or "A op C", we may need to convert A to the type of B and C.
2997 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2999 * target.h (struct gcc_target): Add mode_rep_extended.
3000 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3001 (init_num_sign_bit_copies_in_rep): Initialize it using
3003 (truncate_to_mode): Use it.
3004 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3005 * targhooks.h (default_mode_rep_extended): Declare it.
3006 * targhooks.c (default_mode_rep_extended): Define it.
3007 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3008 default_mode_rep_extended.
3009 (TARGET_INITIALIZER): Include it.
3010 * doc/tm.texi (Misc): Document it.
3011 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3012 (mips_truncated_to_mode): New function.
3014 2006-04-16 Roger Sayle <roger@eyesopen.com>
3017 * expr.c (compress_float_constant): Copy the narrow constant into
3018 a new pseudo before extending it to its final width.
3020 2006-04-16 Roger Sayle <roger@eyesopen.com>
3021 Andrew Pinski <pinskia@gcc.gnu.org>
3022 Dale Johannesen <dalej@apple.com>
3025 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3026 special case code to implement V8HImode and V16QImode with SSE2.
3028 2006-04-15 Roger Sayle <roger@eyesopen.com>
3030 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3031 trees are constructed with a suitable tree type.
3033 2006-04-15 Roger Sayle <roger@eyesopen.com>
3035 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3036 (integer_onep): Likewise.
3037 (integer_all_onesp): Likewise.
3038 (integer_pow2p): Likewise.
3039 (integer_nonzerop): Likewise.
3040 (real_zerop): Likewise.
3041 (real_onep): Likewise.
3042 (real_twop): Likewise.
3043 (real_minus_onep): Likewise.
3044 (int_size_in_bytes): Likewise.
3045 (host_integerp): Likewise.
3047 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3049 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3050 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3051 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3053 * tree-ssa-structalias.h (alias_info): Remove num_references.
3055 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3057 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3058 (output_bvb patterns): Likewise.
3059 * pa.c (output_bb): Use 'bb' insn for long branch case.
3060 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3061 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3062 1. Correct length operand for alternatives 1 and 2.
3063 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3064 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3066 2006-04-14 Roger Sayle <roger@eyesopen.com>
3068 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3069 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3070 were accidentally reverted by r112959.
3072 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3075 * except.h (eh_region_outermost): New prototype.
3076 * except.c (eh_region_outermost): New function.
3077 * tree-cfg.c (find_outermost_region_in_block): Use it.
3079 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3081 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3083 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3084 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3085 (init_reload, reload): Use VEC instead of VARRAY.
3086 * reload.h: Update the prototype for
3087 reg_equiv_memory_loc_varray.
3089 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3090 Eric Botcazou <ebotcazou@libertysurf.fr>
3092 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3095 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3098 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3099 to expand fallback builtin function call.
3101 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3104 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3105 and emit libcall here in case the builtin fails.
3106 (expand_builtin_strcmp): Always emit the libcall here on failure.
3108 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3110 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3111 * flow.c (reg_n_info): Change the type to
3112 VEC(reg_info_p,heap) *.
3113 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3115 * regs.h (reg_info_p): New.
3116 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3117 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3118 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3121 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3123 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3125 * params.h (MAX_SCHED_READY_INSNS): New macro.
3126 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3127 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3128 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3129 the ready list for 1 cycle during the first scheduling pass.
3130 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3132 2006-04-13 Richard Henderson <rth@redhat.com>
3135 * gimple-low.c (lower_omp_directive): Remove dead code.
3136 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3137 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3138 * omp-low.c (struct omp_region): Move to tree-flow.h.
3139 (root_omp_region): Export.
3140 (omp_regions, lookup_omp_region): Remove.
3141 (determine_parallel_type): Update for struct omp_region changes.
3142 (dump_omp_region): Dump regions with block numbers.
3143 (new_omp_region): Take type and block instead of stmt; malloc
3145 (free_omp_region_1, free_omp_regions): New.
3146 (expand_parallel_call): Take entry_stmt as argument; update for
3147 changes to omp_region.
3148 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3149 (remove_exit_barriers): New.
3150 (expand_omp_parallel): Update for struct omp_region changes.
3151 (expand_omp_synch): Likewise.
3152 (expand_omp): Likewise.
3153 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3154 (expand_omp_for_static_chunk): Likewise.
3155 (expand_omp_for): Likewise.
3156 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3157 (expand_omp_sections): Similarly, with GOMP_sections_end.
3158 (expand_omp_single): New.
3159 (build_omp_regions_1): Update for OMP_CONTINUE.
3160 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3161 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3162 OMP_SECTIONS_SECTIONS.
3163 (lower_omp_single_simple): Don't emit barrier here.
3164 (lower_omp_single_copy): Likewise.
3165 (lower_omp_single): Fix bindings, and lower to straightline now.
3166 (lower_omp_master, lower_omp_ordered): Likewise.
3167 (lower_omp_critical): Likewise.
3168 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3169 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3170 omp edges, free it afterward.
3171 (make_omp_sections_edges): Remove.
3172 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3173 (move_stmt_r): Handle OMP_CONTINUE.
3174 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3175 statement pointers to basic blocks. Add type member.
3176 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3177 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3178 * tree-inline.c (estimate_num_insns_1): Likewise.
3179 * tree-pretty-print.c (dump_generic_node): Likewise.
3180 * tree-ssa-operands.c (get_expr_operands): Likewise.
3181 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3182 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3183 (OMP_CONTINUE): New.
3184 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3185 (OMP_SECTIONS_SECTIONS): Remove.
3186 (OMP_SECTION_LAST): New.
3187 (OMP_RETURN_NOWAIT): New.
3189 2006-04-13 Roger Sayle <roger@eyesopen.com>
3191 * fold-const.c (native_encode_vector, native_interpret_real):
3192 Correct obvious mistakes in the previous check-in.
3194 2006-04-13 Roger Sayle <roger@eyesopen.com>
3196 * fold-const.c (native_encode_expr): New function to encode
3197 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3198 or VECTOR_CST into a specified buffer.
3199 (native_encode_int): New function.
3200 (native_encode_real): New function.
3201 (native_encode_complex): New function.
3202 (native_encode_vector): New function.
3203 (native_interpret_expr): Inverse of native_encode_expr to convert
3204 a target representation into an INTEGER_CST, REAL_CST etc...
3205 (native_interpret_int): New function.
3206 (native_interpret_real): New function.
3207 (native_interpret_complex): New function.
3208 (native_interpret_vector): New function.
3209 (fold_view_convert_expr): New function to constant fold/evaluate
3210 a VIEW_CONVERT_EXPR of a suitable constant expression.
3211 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3212 Change call of build1 to fold_build1 when constructing a
3215 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3216 Ulrich Weigand <uweigand@de.ibm.com>
3219 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3222 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3225 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3226 optimize to lo_sum for DFmode if !TARGET_FPRS.
3228 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3230 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3231 delete_alias_info, compute_flow_sensitive_aliasing,
3232 group_aliases): Use VEC instead of VARRAY.
3233 * tree-ssa-structalias.c (update_alias_info): Likewise.
3234 * tree-ssa-structalias.h (alias_info): Change the type of
3235 processed_ptrs to VEC(tree,heap) *.
3237 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3240 * config/sh/lib1funcs.h: New file, broken out of:
3241 * config/sh/lib1funcs.asm.
3242 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3244 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3245 * config/sh/lib1funcs-Os-4-200.asm: New file.
3246 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3247 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3248 (EXTRA_MULTILIB_PARTS): Include it.
3249 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3250 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3251 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3252 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3255 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3257 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3258 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3259 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3261 * tree-ssa-live.h: Include vecprim.h.
3262 (tree_partition_associator_d): Change the type of
3263 first_partition to VEC(int,heap) *.
3264 (tpa_first_partition): Use VEC instead of VARRAY.
3266 * Makefile.in (GTFILES): Move functions.h after tree.h.
3267 * function.c (reset_block_changes, record_block_change,
3268 check_block_change, free_block_changes): Use VEC instead of
3270 * function.h (function): Change the type of
3271 ib_boundaries_block to VEC(tree,gc) *.
3272 * tree-inline.c (copy_cfg_body): Initialize
3273 ib_boundaries_block to NULL instead of (varray_type) 0.
3275 2006-04-12 Roger Sayle <roger@eyesopen.com>
3277 * expr.c (emit_group_store): Correct operand order in call to
3278 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3279 a SUBREG_BYTE of zero.
3281 2006-04-12 Richard Guenther <rguenther@suse.de>
3283 * profile.c (compute_branch_probabilities): Remove code
3284 encapsulated in !ir_type (), which are remanents of the
3285 removed RTL profiling code.
3286 * rtl-profile.c: Remove.
3288 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3290 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3291 magic NULL_RTX comment.
3292 (function_arg): Store entire fp arg to mem if any part should go
3294 (rs6000_arg_partial_bytes): Adjust for above change.
3296 2006-04-11 Roger Sayle <roger@eyesopen.com>
3298 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3299 if it hasn't been initialized by dwarf2out_init.
3301 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3303 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3304 symbolic constants in branch patterns.
3306 2006-04-11 Roger Sayle <roger@eyesopen.com>
3308 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3310 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3312 PR rtl-optimization/27073
3313 * gcse.c (try_replace_reg): Revert last change. Continue to search
3314 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3317 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3319 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3320 aggregate types other than record and union types.
3321 (function_arg): Likewise.
3322 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3324 (function_value): In 64-bit mode, return objects that require it
3327 2006-04-11 Roger Sayle <roger@eyesopen.com>
3329 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3331 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3333 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3335 2006-04-03 Jeff Law <law@redhat.com>
3338 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3339 alias information too.
3341 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3343 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3345 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3348 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3349 (premark_used_types_helper): New.
3350 (premark_used_types): New.
3351 (gen_subprogram_die): Call premark_used_types.
3352 (prune_unused_types_walk): Do not prune perennial dies.
3353 * function.c (used_types_insert): New.
3354 * function.h (struct function): Add used_types_hash field.
3355 (used_types_insert): Add prototype.
3356 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3357 * c-parser.c (c_parser_cast_expression): Save casted types in used
3360 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3363 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3364 rs6000_explicit_options.float_gprs.
3366 2006-04-10 Roger Sayle <roger@eyesopen.com>
3368 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3369 from ix86_expand_vector_init_low_nonzero. Take an additional
3370 one_var argument indicating which element is non-zero. Support
3371 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3372 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3373 with one_var instead of ix86_expand_vector_init_low_nonzero.
3375 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3377 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3378 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3379 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3380 build/genextract.o): Depend on vecprim.h.
3381 * cfglayout.c, df-problems.c, function.c, genextract.c,
3382 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3383 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3387 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3389 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3390 Declare VECs of this type.
3391 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3392 (remove_children): Delete.
3393 (add_dwarf_attr): Use VEC routines.
3394 (add_AT_flag): Update for changes to add_dwarf_attr.
3395 (add_AT_int): Likewise.
3396 (add_AT_unsigned): Likewise.
3397 (add_AT_long_long): Likewise.
3398 (add_AT_vec): Likewise.
3399 (add_AT_string): Likewise.
3400 (add_AT_die_ref): Likewise.
3401 (add_AT_fde_ref): Likewise.
3402 (add_AT_loc): Likewise.
3403 (add_AT_loc_list): Likewise.
3404 (add_AT_addr): Likewise.
3405 (add_AT_lbl_id): Likewise.
3406 (add_AT_lineptr): Likewise.
3407 (add_AT_macptr): Likewise.
3408 (add_AT_offset): Likewise.
3409 (add_AT_range_list): Likewise.
3410 (get_AT): Use VEC_iterate.
3411 (remove_AT): Use VEC_ordered_remove.
3412 (free_die): Fold remove_children into here; have it use VEC_iterate.
3413 (print_die): Use VEC_iterate on attrs.
3414 (reverse_die_lists): Don't reverse attr lists.
3415 (die_checksum): Use VEC_iterate on attrs.
3416 (same_die_p): Likewise.
3417 (output_location_lists): Likewise.
3418 (build_abbrev_table): Likewise.
3419 (size_of_die): Likewise.
3420 (unmark_all_dies): Likewise.
3421 (output_abbrev_section): Likewise.
3422 (output_die): Likewise.
3423 (prune_unused_types_walk_attribs): Likewise.
3425 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3427 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3429 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3432 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3434 2006-04-09 Roger Sayle <roger@eyesopen.com>
3436 * expr.c (store_constructor): Don't bother clearing target if
3437 we're about to assign a vector to it using vec_init_optab.
3439 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3441 * tree-ssa-alias.c (lhs_may_store_to): New function.
3442 (recalculate_used_alone): Handle LHS of calls.
3444 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3448 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3449 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3450 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3451 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3452 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3453 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3454 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3455 stubs. Add ".align 8" directives before all ".dword" directives.
3456 (GTHREAD_USE_WEAK): Revise comment.
3457 (TARGET_ATTRIBUTE_WEAK): Define.
3458 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3459 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3460 * stublib.c: New file.
3465 * pa.md (cbranch patterns): Revise arguments used in calls to
3466 output_cbranch, output_bb and output_bvd. Add long branch length
3468 (fbranch patterns): Handle long branches.
3469 (jump): Revise length check. Revise arguments for output_lbranch call.
3470 Add long branch length attributes.
3471 (decrement_and_branch_until_zero): Add long branch length attributes.
3472 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3473 Likewise. Revise arguments for output_parallel_addb and
3474 output_parallel_movb calls.
3475 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3476 output_parallel_movb and output_parallel_addb): Update prototypes.
3477 * pa.c (output_cbranch): Revise arguments. Correct handling of
3478 nullification in long branches.
3479 (output_lbranch): Add new argument to control extraction of delay
3481 (output_bb): Handle long branches.
3482 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3483 output_parallel_addb): Likewise.
3485 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3487 PR rtl-optimization/27073
3488 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3491 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3493 * tree.h (tree_memory_tag): Add old_used_alone.
3494 (SMT_OLD_USED_ALONE): New macro.
3495 * tree-ssa-alias.c (recalculate_used_alone): Stop
3496 marking things for renaming unnecessarily.
3498 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3500 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3501 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3502 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3503 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3504 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3505 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3506 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3507 spelling convensions.
3508 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3509 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3510 typos. Follow spelling conventions.
3512 2006-04-07 DJ Delorie <dj@redhat.com>
3514 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3515 passed on the stack.
3516 (m32c_init_cumulative_args): When a function returns a structure,
3517 always pass the pointer to that return area on the stack.
3518 (m32c_function_arg_advance): Don't increment the parameter number
3519 if we're processing the returned structure pointer.
3520 (pushm_info): Reverse order of registers.
3522 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3524 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3525 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3526 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3527 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3529 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3530 chrec_fold_multiply): Same.
3531 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3532 force_expr_to_var_cost): Same.
3533 * tree-mudflap.c (mf_xform_derefs_1): Same.
3534 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3536 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3538 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3539 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3542 2006-04-07 Jan Hubicka <jh@suse.cz>
3544 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3546 2006-04-07 Richard Guenther <rguenther@suse.de>
3548 PR tree-optimization/26135
3549 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3550 loads for store copy-prop.
3551 (copy_prop_visit_stmt): Likewise.
3553 2006-04-05 Robert Millan <robertmh@gnu.org>
3555 * config/i386/linux.h: Add a comment to mark macros that are
3556 being overriden in config/k*bsd-gnu.h.
3557 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3559 * config/knetbsd-gnu.h: Ditto.
3561 2006-04-06 Jan Hubicka <jh@suse.cz>
3565 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3568 2006-04-06 Mike Stump <mrs@apple.com>
3570 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3571 for HAVE_nonlocal_goto to be consistent.
3572 (expand_builtin_nonlocal_goto): Likewise.
3573 (expand_builtin_strcmp): Use #ifdef instead of #if
3574 for HAVE_cmpstrnsi to be consistent.
3576 2006-04-05 DJ Delorie <dj@redhat.com>
3578 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3581 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3583 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3584 got-relative addressing for anything but SImode.
3586 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3587 even if the calling function doesn't modify them.
3589 2006-04-05 Richard Guenther <rguenther@suse.de>
3591 PR tree-optimization/26919
3592 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3593 to cgraph_estimate_size_after_inlining.
3595 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3597 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3599 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3601 PR tree-optimization/26996
3602 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3603 VECTOR_TYPE variables.
3605 2006-04-05 Richard Guenther <rguenther@suse.de>
3607 PR tree-optimization/26763
3608 * fold-const.c (fold_comparison): Move folding of
3609 PTR + CST CMP PTR + CST ...
3610 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3612 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3614 * doc/install.texi (Prerequisites): Refine some wording on
3615 bootstrapping and ksh.
3616 Move the version numbers of DejaGnu here from the testing section
3617 and fix casing of names.
3618 Fix markup and clarify wording for autogen requirements.
3619 Refer to GCJ instead of just java.
3620 Refer to SVN instead of CVS.
3621 Describe diffutils as useful instead of necessary.
3622 (Downloading the source): Refer to SVN instead of CVS.
3623 Adjust a link to our web site accordingly.
3624 (Configuration): Fix casing of Bison.
3625 (Building): Refer to SVN instead of CVS.
3626 Fix a sentence on the use of Bison and remove duplicate (and
3627 incorrect) version number of Bison requirement.
3628 Remove one redundant list of packages needed for building.
3629 (Specific): Avoid reference to CVS.
3631 2006-04-04 Eric Christopher <echristo@apple.com>
3633 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3634 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3635 (rs6000_handle_struct_attribute): New.
3636 (rs6000_ms_bitfield_layout_p): Ditto.
3638 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3640 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3641 NULL for dso parameter to atexit_common.
3643 2006-04-04 Eric Christopher <echristo@apple.com>
3645 * config/i386/i386.c (machopic_output_stub): Output \t
3646 between instructions and operands.
3648 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3650 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3651 satisfies_constraint_[IL] to explicit tests on value.
3653 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3655 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3656 set_nb_iterations_in_loop): Use build_int_cst instead of
3658 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3659 build_int_cst instead of convert.
3661 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3663 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3664 new value 2 for incoming.
3665 * function.c (expand_function_start): Call struct_value_rtx
3667 * config/sparc/sparc.md: Comment updated_return.
3668 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3669 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3670 struct return if sparc_std_struct_return and incoming is 2.
3671 (print_operand): Do not adjust return if
3672 sparc_std_struct_return.
3674 2006-04-04 Roger Sayle <roger@eyesopen.com>
3676 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3677 convert in the middle-end.
3678 * expr.c (store_expr, store_constructor, get_inner_reference,
3679 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3681 * tree.c (build_range_type): Likewise.
3683 2006-04-04 Tom Tromey <tromey@redhat.com>
3685 * doc/install.texi (Prerequisites): Mention jar.
3687 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3689 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3692 2006-04-04 Matthias Klose <doko@debian.org>
3694 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3695 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3698 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3700 * doc/extend.texi (Function Attributes): Rewrite visibility
3701 attribute documentation.
3702 * doc/invoke.texi (C++ Dialect Options): Rewrite
3703 -fvisibility-inlines-hidden documentation to describe something
3704 entirely different, although in practise compatible.
3705 (Code Gen Options): Warn about system headers in -fvisibility=
3708 * doc/extend.texi (Other Builtins): Document that
3709 __builtin_nan is a compile-time constant only when its argument
3712 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3714 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3715 trying to remove TRUNCATE check if all bits outside the new mode
3716 are identical to the sign bit.
3718 2006-04-03 Jeff Law <law@redhat.com>
3720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3721 and operand scanning in some common cases.
3723 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3724 Dale Johannesen <dalej@apple.com>
3727 * regclass.c (struct reg_pref): Update documentation.
3728 (regclass): Set prefclass to NO_REGS if memory is the best option.
3729 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3730 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3731 into account. For non-registers, equate an empty preferred
3732 reload class to a `!' in the constraint; move the if clause to
3733 do so after those that reject the insn.
3734 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3736 (find_dummy_reload): Likewise.
3737 * doc/tm.texi (Register Classes): Document what it means
3738 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3739 * config/i386/i386.c (ix86_preferred_reload_class): Force
3740 using SSE registers (and return NO_REGS for floating-point
3741 constants) if math is done with SSE.
3742 (ix86_preferred_output_reload_class): New.
3743 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3744 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3745 * config/i386/i386.md: Remove # register preferences.
3747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3750 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3751 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3752 the type of nb_iter.
3753 (instantiate_parameters_1): Convert the operands before calling
3754 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3755 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3757 2006-04-02 Roger Sayle <roger@eyesopen.com>
3759 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3760 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3762 * dojump.c (do_jump): Likewise.
3763 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3764 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3765 gimplify_boolean_expr): Likewise.
3766 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3767 * varasm.c (array_size_for_constructor): Likewise.
3768 * tree-object-size.c (compute_object_offset): Likewise.
3770 2006-04-02 Roger Sayle <roger@eyesopen.com>
3773 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3774 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3776 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3778 PR tree-optimization/26939
3779 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3781 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3783 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3784 at_stmt. Convert the type of operands before calling
3785 build_polynomial_chrec.
3786 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3788 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3789 (instantiate_parameters_1): Convert the type of operands before calling
3790 build_polynomial_chrec.
3791 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3792 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3793 reset_evolution_in_loop): Insert asserts to check the types of the
3795 (chrec_type): Moved...
3796 (eq_evolutions_p): Use operand_equal_p.
3797 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3798 the types of the operands.
3799 (chrec_type): ...here.
3800 * tree-data-ref.c (create_data_ref): Convert the operands before
3801 calling chrec_replace_initial_condition.
3802 (same_access_functions, analyze_subscript_affine_affine,
3803 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3804 (compute_subscript_distance, analyze_ziv_subscript,
3805 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3806 analyze_miv_subscript): Convert the operands before calling
3807 chrec_fold_minus or chrec_fold_plus.
3809 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3811 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3812 the dependence_relations vector.
3813 (compute_data_dependences_for_loop): Adjust call to
3814 compute_all_dependences.
3816 2006-04-01 Roger Sayle <roger@eyesopen.com>
3817 Richard Henderson <rth@redhat.com>
3819 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3820 gimple_boolify on the condition before calling gimplify_expr.
3822 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3824 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3825 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3826 the frame size. Update to use the new macros.
3827 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3828 * config/xtensa/ieee754-df.S: Likewise.
3830 2006-03-31 Richard Henderson <rth@redhat.com>
3832 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3833 (make_edges): ... here. Control fallthru creation with a local
3834 variable. Do not play with fake edges.
3835 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3836 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3839 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3841 * dwarf2.h (DW64_CIE_ID): Define.
3842 * dwarf2out.c (DWARF_CIE_ID): Define.
3843 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3844 length header. Use DWARF_CIE_ID.
3845 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3846 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3848 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3850 * config/sh/linux-atomic.asm: New file.
3851 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3853 2006-03-31 DJ Delorie <dj@redhat.com>
3855 * config/m32c/cond.md: Set condition flags properly throughout.
3856 * config/m32c/minmax.md: Likewise.
3857 * config/m32c/prologue.md: Likewise.
3858 * config/m32c/bitops.md: Likewise.
3859 * config/m32c/muldiv.md: Likewise.
3860 * config/m32c/mov.md: Likewise.
3861 * config/m32c/addsub.md: Likewise.
3862 * config/m32c/m32c.md: Likewise.
3863 * config/m32c/jump.md: Likewise.
3864 * config/m32c/shift.md: Likewise.
3866 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3867 conditionally output the pattern for this.
3868 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3869 (m32c_compare_redundant): New.
3870 (m32c_output_compare): New.
3871 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3873 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3874 dest, not src. Allow other 4-byte modes.
3876 2006-03-30 Denis Chertykov <denisc@overta.ru>
3878 * doc/md.texi: Refer to avr/constraints.md instead of
3881 2006-03-30 Roger Sayle <roger@eyesopen.com>
3883 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3884 signed vs. unsigned comparison failures on some hosts.
3886 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3889 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3890 change to FLOAT_REGS.
3892 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3893 (rs6000_override_options): Use it.
3894 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3895 only for -mabi=spe/no-spe and -mabi=altivec.
3897 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3899 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3902 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3904 * Makefile.in: Rename docdir to gcc_docdir.
3906 2006-03-30 Roger Sayle <roger@eyesopen.com>
3909 * expr.c (emit_group_store): Optimize group stores into a pseudo
3910 register by using a paradoxical subreg to initialize the destination
3911 if the first or last member of the group specifies a "low part".
3913 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3916 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3917 * target.h (struct gcc_target.speculate_insn): Change type of the
3918 second parameter to 'int'.
3919 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3920 the second operand of the DEPS_LIST.
3921 (copy_DEPS_LIST_list): Update reference to the second operand of the
3923 * rtl.h (alloc_DEPS_LIST): Update signature.
3924 * sched-int.h (ds_t): Change typedef to 'int'.
3925 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3927 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3929 * haifa-sched.c (try_ready): Change condition to restore
3930 non-speculative pattern of the instruction.
3931 (process_insn_depend_be_in_spec): Code to keep probability of the
3932 speculative dependence non-decreasing.
3934 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3936 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3937 (single_move_for_movmem): ... this. Also change all uses.
3938 (bfin_expand_strmov): Renamed to...
3939 (bfin_expand_movmem): ... this. Also change all uses.
3940 * config/bfin/bfin.md (movstrsi): Renamed to...
3941 (movstrsi): ...this.
3943 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3945 PR tree-optimization/26830
3947 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3948 (copy_prop_visit_stmt): Remove write-only variable ann.
3949 (init_copy_prop): Check variable loop depth here. Do not simulate
3950 memory-tag and virtual operand PHIs except for store copy prop.
3952 2006-03-30 Richard Guenther <rguenther@suse.de>
3954 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3955 variants with double arguments.
3957 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3959 * genpreds.c (write_tm_constrs_h): Delete variable p.
3960 * genconditions.c (write_header): Add tm-constrs.h to included
3962 * genpeep.c (main): Add toplev.h to included headers.
3963 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3964 (build/genpeep.o): Add toplev.h dependency.
3965 * config/rs6000/constraints.md: Add "W" constraint.
3967 2006-03-29 Roger Sayle <roger@eyesopen.com>
3969 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3970 sizes by correctly testing whether the size fits a host integer.
3971 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3972 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3973 SImode range for the default sizetype and bitsizetype.
3975 2006-03-29 Roger Sayle <roger@eyesopen.com>
3977 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3978 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3979 quickly if the argument is already of the correct type.
3980 Call fold_build1 instead of build1. Tidy up blank lines.
3982 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3984 * genemit.c (main): Add tm-constrs.h to included headers.
3985 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3986 * genpeep.c (main): Add tm-constrs.h to included headers.
3987 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3988 (write_tm_constrs_h): this and write complete file.
3989 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3990 (write_insn_preds_c): Add tm-constrs.h to included headers.
3991 (gen_constrs): New variable.
3992 (parse_option): Parse "-c".
3993 (main): Invoke write_tm_constrs_h.
3994 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3995 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3996 (object_out_file): Add tm-constrs.h dependency.
3997 (insn-emit.o): Same.
3998 (insn-output.o): Same.
3999 (insn-peep.o): Same.
4000 (insn-preds.o): Same.
4001 (insn-recog.o): Same.
4002 (tm-constsr.h): New target.
4003 (s-constrs-h): New target.
4005 * config/rs6000/constraints.md: New file.
4006 * config/rs6000/rs6000.c: Include tm-constrs.h.
4007 (num_insn_constant_wide): Convert to satisfies_constraint.
4008 (rs6000_rtx_costs): Convert to satisfies_constraint.
4009 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4010 (CONST_OK_FOR_LETTER_P): Delete.
4011 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4012 (EXTRA_CONSTRAINT): Delete.
4013 (EXTRA_MEMORY_CONSTRAINT): Delete.
4014 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4015 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4016 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4017 satisfies_constraint.
4019 * config/i386/i386.c: Include tm-constrs.h.
4021 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4023 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4024 * tree-data-ref.c (find_data_references_in_loop,
4025 compute_data_dependences_for_loop): Use pointers to VEC.
4026 (analyze_all_data_dependences): Adjust calls.
4027 * tree-data-ref.h (find_data_references_in_loop,
4028 compute_data_dependences_for_loop): Adjust declarations.
4029 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4030 compute_data_dependences_for_loop.
4032 2006-03-29 Paul Brook <paul@codesourcery.com>
4034 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4037 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4039 PR tree-optimization/26859
4040 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4042 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4043 for the step after fold_convert.
4045 2006-03-29 Paul Brook <paul@codesourcery.com>
4047 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4048 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4050 2006-03-29 Paul Brook <paul@codesourcery.com>
4053 * targhooks.c (default_narrow_bitfield): New fuction.
4054 * targhooks.h (default_narrow_bitfield): add prototype.
4055 * target.h (gcc_target): Add narrow_volatile_bitfield.
4056 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4057 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4058 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4059 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4061 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4063 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4065 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4066 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4067 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4068 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4069 (s390_function_arg_float): Allow SDmode and DDmode values to be
4070 passed in floating point registers.
4071 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4072 check with SCALAR_FLOAT_MODE_P.
4073 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4075 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4077 PR tree-optimization/25985
4078 * tree-ssa-loop-niter.c (number_of_iterations_le,
4079 number_of_iterations_ne): Make comments more precise.
4080 (number_of_iterations_cond): Add only_exit argument. Use the
4081 fact that signed variables do not overflow only when only_exit
4083 (loop_only_exit_p): New.
4084 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4085 number_of_iterations_cond.
4087 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4089 PR tree-optimization/26643
4090 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4093 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4095 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4096 (divsi3_i4_int): Likewise.
4098 2006-03-28 Roger Sayle <roger@eyesopen.com>
4100 * expr.c (emit_group_store): Only create a new pseudo reg if the
4101 quantity it needs to hold isn't already a suitable pseudo.
4103 2006-03-28 Jeff Law <law@redhat.com>
4105 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4106 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4108 2006-03-28 Roger Sayle <roger@eyesopen.com>
4110 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4111 the equivalent ~X & Y, and the symmetry related transformations.
4112 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4113 ~X & Y, and symmetry related transforms.
4115 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4117 Revert my 2006-03-27 patches.
4119 2006-03-28 Roger Sayle <roger@eyesopen.com>
4121 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4122 ~(T1)X, when T1 and T2 are integer types of the same precision
4123 and (T2)X isn't an extension.
4125 2006-03-28 Jeff Law <law@redhat.com>
4127 PR tree-optimization/26796
4128 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4129 need EH edge cleanups rather than purging them immediately.
4130 (eliminate_degenerate_phis): Handle queued EH cleanups.
4132 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4134 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4137 2006-03-27 Roger Sayle <roger@eyesopen.com>
4140 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4141 cast BIT_NOT_EXPR operand to the correct type.
4143 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4145 * tree-loop-linear.c: Don't include varray.h.
4146 (gather_interchange_stats, try_interchange_loops,
4147 linear_transform_loops): Use VEC instead of VARRAY.
4148 * lambda-mat.c: Don't include varray.h.
4149 * tree-chrec.c: Same.
4150 * lambda-trans.c: Same.
4151 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4152 VEC instead of VARRAY.
4153 * tree-vectorizer.h: Idem.
4154 * tree-data-ref.c (dump_data_references,
4155 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4156 initialize_data_dependence_relation, finalize_ddr_dependent,
4157 compute_all_dependences, find_data_references_in_loop,
4158 compute_data_dependences_for_loop, analyze_all_data_dependences,
4159 free_dependence_relation, free_dependence_relations,
4160 free_data_refs): Idem.
4161 * tree-data-ref.h (data_reference_p, subscript_p): New.
4162 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4163 VEC instead of VARRAY.
4164 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4165 (find_data_references_in_loop, compute_data_dependences_for_loop,
4166 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4167 dump_data_dependence_relations, free_dependence_relations,
4168 free_data_refs): Adjust declaration.
4169 (lambda_transform_legal_p): Move declaration here...
4170 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4171 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4172 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4173 vect_analyze_data_refs): Use VEC instead of VARRAY.
4174 * lambda.h (lambda_transform_legal_p): ...from here.
4175 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4176 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4177 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4178 tree-chrec.o): Don't depend on VARRAY_H.
4180 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4182 * rtl.def (Copyright): Update date.
4183 (DEPS_LIST): Change type of the second operand to 'int'.
4184 * target.h (Copyright): Update date.
4185 (struct gcc_target.speculate_insn): Change type of the second parameter
4187 * lists.c (Copyright): Update date.
4188 (alloc_DEPS_LIST): Change signature. Update reference to the second
4189 operand of the DEPS_LIST.
4190 (copy_DEPS_LIST_list): Update reference to the second operand of the
4192 * rtl.h (Copyright): Update date.
4193 (alloc_DEPS_LIST): Update signature.
4194 * sched-int.h (Copyright): Update date.
4195 (ds_t): Change typedef to 'int'.
4196 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4198 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4200 * haifa-sched.c (Copyright): Update date.
4201 (try_ready): Change condition to restore non-speculative pattern
4203 (process_insn_depend_be_in_spec): Code to keep probability of the
4204 speculative dependence non-decreasing.
4206 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4208 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4209 shut up the compiler.
4211 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4213 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4214 to use lib prefix for target.
4215 ($(T)libic_invalidate_array_4-200.a): Likewise.
4216 ($(T)libic_invalidate_array_4a.a): Likewise.
4218 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4219 J"orn Rennecke <joern.rennecke@st.com>
4221 * superh.opt: New file.
4222 * sh.c (boardtype, osruntime): Remove.
4223 * superh.h (SUBTARGET_OPTIONS): Remove.
4224 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4226 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4227 arguments with ^ and/or [].
4229 * config.gcc (sh-*-*): Add quoting to account for quirk of
4231 Replace == with = in enable_incomplete_targets test.
4233 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4234 with MASK_LITTLE_ENDIAN.
4236 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4237 * config/sh/sh.opt: Added to some comments.
4238 * config/sh/superh.h: Removed some chaff.
4240 * config/sh/sh.opt: Add m4-[1234]00* options.
4241 * config/sh/sh.c (sh_handle_option): Likewise.
4242 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4243 (ic_invalidate_array_4-100.o): New rule.
4244 ($(T)libic_invalidate_array_4-100.a): Likewise.
4245 (ic_invalidate_array_4-200.o): Likewise.
4246 ($(T)libic_invalidate_array_4-200.a): Likewise.
4247 (ic_invalidate_array_4a.o): Likewise.
4248 ($(T)libic_invalidate_array_4a.a): Likewise.
4249 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4250 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4252 * config/sh/crt1.asm: Merged in profiling code.
4253 * config/sh/superh.h (STARTFILE_SPEC): Override.
4254 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4255 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4256 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4258 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4259 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4260 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4262 * sh.opt (mpretend-cmove): New option.
4263 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4264 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4265 (movsicc): Add TARGET_PRETEND_CMOVE code.
4267 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4269 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4270 s390_class_max_nregs): New function prototypes.
4271 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4272 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4273 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4274 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4276 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4278 * dwarf2out.c (add_location_or_const_value_attribute): Call
4279 tree_add_const_value_attribute if nothing else works.
4280 (reference_to_unused): New.
4281 (rtl_for_decl_init): Use reference_to_unused to decide whether
4282 to output an initializer.
4284 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4287 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4288 peephole removing spe frob_di_df_2.
4290 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4292 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4293 (subscript_dependence_tester_1): Declared.
4294 (print_dir_vectors, print_dist_vectors): New.
4295 (debug_data_dependence_relation): New.
4296 (dump_data_dependence_relation): Print more details.
4297 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4298 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4299 (save_dist_v, save_dir_v, add_outer_distances,
4300 build_classic_dist_vector_1): New.
4301 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4302 Don't test for lambda_vector_lexico_pos.
4303 (same_access_functions, add_multivariate_self_dist,
4304 add_other_self_distances, dir_from_dist): New.
4305 (build_classic_dir_vector): Replace implementation almost identical to
4306 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4308 (subscript_dependence_tester_1): New.
4309 (subscript_dependence_tester): Handle the lexicographically negative
4310 distance vectors by recomputing the dependence relation.
4311 (compute_affine_dependence): Remove parameter loop_nest_depth.
4312 (compute_self_dependence): Don't call compute_subscript_distance.
4313 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4314 Add a parameter for the loop_nest.
4315 (find_loop_nest_1, find_loop_nest): New.
4316 (compute_data_dependences_for_loop): Compute the loop nest, and give
4317 up if the nest is not well formed.
4318 * tree-data-ref.h (loop_p): New.
4319 (struct data_dependence_relation): Replace size_vect field with
4320 loop_nest, a vec of loops.
4321 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4322 (DDR_LOOP_NEST): New.
4323 (print_dir_vectors, print_dist_vectors,
4324 debug_data_dependence_relation): Declared.
4325 (index_in_loop_nest): New.
4326 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4327 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4330 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4332 * simplify-rtx.c (simplify_relational_operation): Call
4333 simplify_relational_operation_1 even if mode is VOIDmode.
4335 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4337 PR tree-optimization/26804
4338 * tree.h (DECL_CALL_CLOBBERED): New macro.
4339 (tree_decl_common): Add call_clobbered_flag.
4340 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4341 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4342 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4343 (mark_non_addressable): Ditto.
4344 * tree-ssa.c (verify_call_clobbered): New function.
4345 (verify_alias_info): Use it.
4346 * tree-pass.h (pass_reset_cc_flags): New prototype.
4347 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4348 (reset_cc_flags): New function.
4349 * passes.c (init_optimization_passes): Call reset_cc_flags after
4350 initializing referenced_vars.
4352 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4353 Roger Sayle <roger@eyesopen.com>
4356 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4357 to 1.0 for non-real operands. Implement A / A optimization for
4360 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4362 * config/i386/i386.c (size_cost): Correct the comment for
4363 cost of storing fp registers.
4364 (i386_cost): Likewise.
4365 (i486_cost): Likewise.
4366 (pentium_cost): Likewise.
4367 (pentiumpro_cost): Likewise.
4368 (k6_cost): Likewise.
4369 (athlon_cost): Likewise.
4370 (k8_cost): Likewise.
4371 (pentium4_cost): Likewise.
4372 (nocona_cost): Likewise.
4373 (generic64_cost): Likewise.
4374 (generic32_cost): Likewise.
4376 2006-03-24 Denis Chertykov <denisc@overta.ru>
4378 * config/avr/avr-protos.h (extra_constraint): Delete.
4379 (extra_constraint_Q): New declaration.
4380 * config/avr/constraints.md: New file.
4381 * config/avr/avr.md: Include it.
4382 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4383 (TMP_REGNO, ZERO_REGNO): Likewise.
4384 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4385 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4386 (extra_constraint): Delete.
4387 (extra_constraint_Q): Test for memory constraint 'Q'.
4388 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4389 (REG_CLASS_FROM_LETTER): Delete.
4390 (CONST_OK_FOR_LETTER_P): Delete.
4391 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4392 (EXTRA_CONSTRAINT): Delete.
4393 (TMP_REGNO): Delete.
4394 (ZERO_REGNO): Delete.
4396 2006-03-24 Jeff Law <law@redhat.com>
4398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4399 directly. Call mark_new_vars_to_rename slightly earlier.
4401 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4403 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4405 (gen_compile_unit_die): Use new language types for Objective-C and
4407 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4408 DW_LANG_C_plus_plus.
4411 * config/t-darwin (crt3.o): Work around bug 26840.
4412 * config/darwin-crt3.c: Rewrite.
4413 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4415 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4417 * doc/invoke.texi: Document -femit-class-debug-always
4418 * common.opt: Add -femit-class-debug-always.
4420 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4422 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4423 index and base register.
4424 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4425 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4426 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4427 REGNO_OK_FOR_INDEX_P.
4428 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4430 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4431 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4432 REG_OK_FOR_BASE_P): Definitions removed.
4434 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4437 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4438 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4439 set yet or weren't marked as local yet.
4441 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4443 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4446 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4448 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4449 (rs6000_legitimate_small_data_p): Delete.
4450 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4451 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4452 and make static. Add forward declaration. Update uses.
4453 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4454 of offsettable_memref_p.
4455 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4456 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4458 2006-03-24 Jeff Law <law@redhat.com>
4460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4461 around bug in immediate-use iterator.
4463 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4466 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4467 or __LITTLE_ENDIAN__.
4469 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4471 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4472 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4473 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4474 * config/sh/sh.opt (mdiv=): Amend description.
4475 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4476 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4477 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4478 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4479 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4480 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4481 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4482 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4483 TARGET_DIVIDE_CALL_FP.
4485 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4487 * haifa-sched.c (choose_ready): Fix type of the local variable.
4488 Move local variables. Add comment.
4489 (check_reg_live): Change signature. Make callable from debugger.
4490 * sched-int.h (check_reg_live): Update signature.
4491 * sched-ebb.c (check_reg_live): Update parameters.
4492 * sched-rgn.c (check_reg_live): Ditto.
4493 (region_head_or_leaf_p): Check pointer before dereferencing.
4494 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4495 before reload on optimization levels below 1.
4497 2006-03-23 Richard Henderson <rth@redhat.com>
4499 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4503 * config/alpha/predicates.md (local_symbolic_operand): Reject
4506 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4509 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4510 expressions which have overflowed constants.
4512 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4514 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4516 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4518 * cfgloopmanip.c (create_loop_notes): Removed.
4519 * final.c (final_scan_insn): Do not handle loop notes.
4520 * jump.c (squeeze_notes): Ditto.
4521 * cfglayout.c (skip_insns_after_block,
4522 duplicate_insn_chain): Ditto.
4523 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4525 * cfgloop.h (create_loop_notes): Declaration removed.
4527 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4529 * varasm.c (output_constant_pool): Restore fnname and fndecl
4531 (assemble_start_function): Adjust call accordingly.
4532 (assemble_end_function): Likewise.
4534 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4537 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4540 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4542 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4545 * system.h (ICE_EXIT_CODE): New macro.
4546 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4547 (diagnostic_action_after_output): Likewise.
4548 * gcc.c (fatal_ice): New function.
4549 (execute): Use it instead of fatal.
4550 (fancy_abort): Likewise.
4551 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4553 2006-03-22 Jeff Law <law@redhat.com>
4555 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4556 iv_analyze_result returning false.
4558 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4560 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4562 2006-03-22 Richard Henderson <rth@redhat.com>
4565 * except.c (duplicate_eh_regions_0): New.
4566 (duplicate_eh_region_1): Duplicate the children of the node as
4567 well as the node itself. Link them up properly.
4568 (duplicate_eh_region_2): Merge into ...
4569 (duplicate_eh_regions): ... here. Take copy_region argument, and
4570 copy only a sub-tree if asked. Simplify copying and fixup.
4571 (eh_region_outer_p): New.
4572 * except.h (duplicate_eh_regions): Update decl.
4573 (eh_region_outer_p): Declare.
4574 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4575 (lower_omp_master): Likewise.
4576 (lower_omp_ordered): Likewise.
4577 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4578 (move_stmt_r): Use it to remap labels. Handle recursion vs
4579 remap_decls_p properly.
4580 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4581 (find_outermost_region_in_block): New.
4582 (new_label_mapper): New.
4583 (move_sese_region_to_fn): Copy eh information to the new function
4585 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4587 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4590 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4592 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4593 into shared libraries.
4595 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4597 * doc/md.texi: Refer to i386/constraints.md instead of
4599 * config/i386/constraints.md: New file, extracted from...
4600 * config/i386/predicates.md: ...here.
4601 * config/i386/i386.md: Include constraints.md.
4603 2006-03-21 Jason Merrill <jason@redhat.com>
4605 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4608 * expr.c (init_block_move_fn): Force default visibility.
4609 (init_block_clear_fn): Likewise.
4610 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4611 * targhooks.c (default_external_stack_protect_fail): Likewise.
4613 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4615 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4616 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4617 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4618 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4619 (loadgp): Use mips_current_loadgp_style.
4620 (loadgp_noshared): New pattern.
4621 (sibcall_internal): Use MIPS_CALL.
4622 (sibcall_value_internal): Likewise.
4623 (sibcall_value_multiple_internal): Likewise.
4624 (call_internal): Likewise.
4625 (call_value_internal): Likewise.
4626 (call_value_multiple_internal): Likewise.
4627 (call_split): Use MIPS_CALL and add an 'S' constraint.
4628 (call_value_split): Likewise.
4629 (call_value_multiple_split): Likewise.
4630 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4631 (-mshared): New option.
4632 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4633 (mips_current_loadgp_style): Declare.
4634 * config/mips/mips.c (mips_classify_symbol): Avoid using
4635 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4636 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4637 TARGET_ABSOLUTE_ABICALLS.
4638 (override_options): Adjust comments. Improve the warning that is
4639 issued when -mabicalls and -G are used together.
4640 (mips_file_start): Remove comment.
4641 (mips_current_loadgp_style): New function.
4642 (mips_gnu_local_gp): New variable.
4643 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4645 (mips_output_function_prologue): Use mips_current_laodgp_style.
4646 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4647 the cprestore instruction.
4648 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4649 live for TARGET_ABSOLUTE_ABICALLS.
4650 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4651 (ASM_SPEC): Pass down -mshared and -mno-shared.
4652 (MIPS_CALL): New macro.
4653 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4655 * doc/invoke.texi (-mabicalls): Update documentation.
4656 (-mshared): Document.
4658 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4660 * config/ia64/unwind-hpux.c: New file.
4661 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4663 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4666 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4668 2006-03-21 Jeff Law <law@redhat.com>
4670 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4671 type conversions of a VR_VARYING source to a wider type.
4673 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4675 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4676 tm_file on Solaris 10 and later.
4677 (sparc64-*-solaris2*): Likewise.
4678 (sparc-*-solaris2*): Likewise.
4679 * config/sol26.h: Rename to config/sol2-6.h.
4680 * config/sol2-10.h: New file.
4682 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4685 * tree-ssa-pre.c (create_component_ref_by_pieces):
4688 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4691 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4692 return it immediately.
4694 2006-03-21 Michael Matz <matz@suse.de>
4696 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4698 (remove_arc, add_arc): Update num_out_arcs member.
4699 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4701 (cache_presence): New function.
4702 (compare_states_for_equiv): New function.
4703 (state_is_differed): Don't take number of outargs, adjust callers.
4704 Use new invariant for speeding up.
4705 (init_equiv_class): Create initial classes based on sorted
4707 (partition_equiv_class): Don't track out_arcs_num.
4708 (evaluate_equiv_classes): Call cache_presence on all states and
4711 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4713 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4714 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4715 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4716 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4718 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4719 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4720 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4721 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4722 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4724 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4725 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4726 (REGNO_REG_CLASS): ARGP is in PREGS.
4727 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4729 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4730 to deal with those addresses.
4731 * addresses.h: New file.
4732 * caller-save.c: Include "addresses.h".
4733 (init_caller_save): Use new base_reg_class function.
4734 * rtl-factoring.c: Include "addresses.h".
4735 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4736 * recog.c: Include "addresses.h".
4737 (preprocess_constraints): Use new base_reg_class function.
4738 * regrename.c: Include "addresses.h".
4739 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4740 functions. Keep track of a new var INDEX_CODE to compute valid
4742 (replace_oldest_value_addr): Likewise.
4743 (replace_oldest_value_mem): Use base_reg_class.
4744 * reload.c: Include "addresses.h".
4745 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4746 (find_reloads): Use new base_reg_class function.
4747 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4748 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4749 all callers and prototype changed.
4750 * reload1.c: Include "addresses.h".
4751 (maybe_fix_stack_asms): Use base_reg_class.
4752 * regclass.c: Include "addresses.h".
4753 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4754 (init_reg_autoinc): Use new base_reg_class function.
4755 (record_reg_classes): Likewise.
4756 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4757 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4758 Use new args to compute necessary class.
4760 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4761 regrename.o, rtl-factoring.o): Update dependencies.
4762 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4763 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4764 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4765 REG_OK_FOR_INDEX_P): Delete documentation.
4767 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4769 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4770 from V7 to V9 for Solaris 7 and above.
4772 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4774 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4775 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4776 argument pointers may not alias any other storage.
4777 * common.opt: Define option -fargument-noalias-anything.
4778 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4779 alias semantics is specified by flag_argument_noalias > 2.
4781 2006-03-20 Jeff Law <law@redhat.com>
4783 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4784 (pass_phi_only_cprop): Declare.
4785 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4787 * tree-ssa-dom.c (degenerate_phi_result): New function.
4788 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4789 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4790 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4791 (eliminate_degenerate_phis): Likewise.
4792 (pass_phi_only_cprop): New pass descriptor.
4793 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4794 support code. Callers updated.
4795 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4796 (store_copy_prop): Likewise.
4797 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4799 2006-03-20 Jason Merrill <jason@redhat.com>
4802 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4803 (push_visibility, pop_visibility): Likewise.
4804 * c-pragma.h: Declare them.
4806 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4808 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4810 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4811 parameter and use get_ebb_head_tail.
4812 (sh_md_init_global): Adjust uses of find_regmode_weight.
4814 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4816 * function.h (struct function) <x_tail_recursion_reentry>:
4817 Rename to x_stack_check_probe_note.
4818 (tail_recursion_reentry): Rename to stack_check_probe_note.
4819 * function.c: Replace tail_recursion_reentry with
4820 stack_check_probe_note everywhere.
4821 (expand_function_start): Only emit a note for
4822 stack_check_probe_note with -fstack-protect.
4823 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4825 * emit-rtl.c (remove_unnecessary_notes): Remove.
4826 (pass_remove_unnecessary_notes): Remove.
4827 * rtl.h (remove_unnecessary_notes): Remove prototype.
4828 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4829 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4830 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4832 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4835 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4836 (valid_in_set): Handle ARRAY_REF.
4837 Change "if min_variant or VH" to asserts.
4838 (create_component_ref_by_pieces): Handle ARRAY_REF.
4839 (create_expression_by_pieces): Likewise.
4840 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4842 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4844 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4845 is operand of switch, not str[0].
4847 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4849 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4850 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4852 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4854 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4855 end of insn_extra_address_constraint declaration.
4857 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4859 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4860 (no-sum-in-toc): Same.
4861 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4863 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4864 NO_FP_IN_TOC for -fPIC instead of mask.
4866 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4867 (BOOT_LDFLAGS): Delete.
4869 * config/rs6000/t-aix52: Same.
4871 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4872 (stmsi[345678]_power): New.
4874 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4876 * config/ia64/ia64.opt: Add empty line to end of file.
4878 2006-03-17 Richard Guenther <rguenther@suse.de>
4881 * builtins.c (get_pointer_alignment): For component style references
4882 adjust alignment to the component type alignment. Make sure
4883 to adjust alignment for component access of constants.
4885 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4887 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4890 2006-03-17 Paul Brook <paul@codesourcery.com>
4892 * doc/install.texi: Docuemnt --with-mode.
4893 * config.gcc: Add --with-mode for arm*-*-*.
4894 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4896 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4898 * sh.c (max_labelno_before_reorg): New variable.
4899 (sh_reorg): Initialize it.
4900 (find_barrier): Check max_labelno_before_reorg before using
4901 label_to_alignment. Take length of explicit alignment insns
4902 into account. When seeing a UNSPECV_CONST_END, return it.
4904 * sh.c (fixup_mova): Set mode of affected label to QImode.
4905 (untangle_mova): New function.
4906 (find_barrier): Use it. Check mode of label before decrementing
4908 (sh_reorg): Likewise.
4909 Set mode of all insns back to VOIDmode.
4911 * sh.c (MOVA_LABELREF): New macro.
4912 (mova_p, fixup_mova, sh_reorg): Use it.
4913 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4914 ADDR_DIFF_VEC matches mova.
4916 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4918 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4919 with ATTRIBUTE_UNUSED.
4921 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4923 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4924 pointer, instead of assuming it is possible to derive the
4925 correct args size from a call insn.
4927 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4929 * rtl.h (CONST_INT_P): Define.
4930 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4931 instead of GET_CODE(x) == CONST_INT.
4932 (vax_rtx_costs): Likewise.
4933 (vax_output_int_move): Likewise.
4934 (vax_output_int_add): Likewise.
4935 (legitimate_constant_address_p): Likewise.
4936 (index_term_p): Likewise.
4937 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4938 * config/vax/vax.md (and<mode>3): Likewise.
4939 (ashrsi3): Likewise.
4941 (movstricthi): Likewise.
4942 (movstrictqi): Likewise.
4943 (rotrsi3): Likewise.
4944 (five unnamed insns): Likewise.
4946 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4948 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4949 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4950 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4951 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4952 Pass to ASM_OUTPUT_DWARF_OFFSET.
4953 * dwarf2out.c (debug_frame_section): New.
4954 (output_call_frame_info): Use debug_frame_section. Pass it to
4955 dw2_asm_output_offset.
4956 (output_die): Pass appropriate section to dw2_asm_output_offset.
4957 (output_compilation_unit_header): Likewise.
4958 (output_pubnames): Likewise.
4959 (output_aranges): Likewise.
4960 (enum dw_val_class): Break dw_val_class_lbl_offset into
4961 dw_val_class_lineptr and dw_val_class_macptr.
4962 (add_AT_lbl_offset): Delete.
4963 (add_AT_lineptr): New.
4964 (add_AT_macptr): New.
4965 (AT_lbl): Expect a lineptr or macptr.
4966 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4967 (attr_checksum): Likewise.
4968 (same_dw_val_p): Likewise.
4969 (size_of_die): Likewise.
4970 (value_format): Likewise.
4971 (output_die): Likewise.
4972 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4974 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4975 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4976 * config/darwin-protos.h (darwin_file_start): New.
4977 (darwin_asm_output_dwarf_offset): New.
4978 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4979 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4981 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4982 if not EH section; simplify.
4983 (darwin_file_start): New.
4984 (darwin_asm_output_dwarf_offset): New.
4985 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4987 (DEBUG_INFO_SECTION): Likewise.
4988 (DEBUG_ABBREV_SECTION): Likewise.
4989 (DEBUG_ARANGES_SECTION): Likewise.
4990 (DEBUG_MACINFO_SECTION): Likewise.
4991 (DEBUG_LINE_SECTION): Likewise.
4992 (DEBUG_LOC_SECTION): Likewise.
4993 (DEBUG_PUBNAMES_SECTION): Likewise.
4994 (DEBUG_STR_SECTION): Likewise.
4995 (DEBUG_RANGES_SECTION): Likewise.
4996 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4997 (ASM_OUTPUT_DWARF_OFFSET): New.
4999 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5001 * config.gcc (tm_defines): Always add to previous value rather
5004 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5006 * config/mips/predicates.md (splittable_const_int_operand): New,
5007 split from move_operand.
5008 (splittable_symbolic_operand): New.
5009 (move_operand): Add commentary. Use splittable_const_int_operand.
5010 Inline mips_atomic_symbolic_constant_p.
5011 * config/mips/mips.md: Add combine splitters for handling moves
5012 of splittable_const_int_operands and splittable_symbolic_operands.
5013 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5014 (mips_split_symbol): Declare.
5015 (mips_move_integer): Declare.
5016 * config/mips/mips.c (mips_split_p): Make global.
5017 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5018 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5019 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5020 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5021 (mips_offset_within_object_p): Handle block symbols.
5022 (mips_atomic_symbolic_constant_p): Delete.
5023 (mips_cannot_force_const_mem): Return false for constants that
5024 mips_legitimize_move can handle.
5025 (mips_use_blocks_for_constant_p): New function.
5026 (mips_split_symbol): Make global.
5027 (mips_move_integer): Likewise. Add a temporary register argument.
5028 (mips_legitimize_const_move): Use splittable_const_int_operand and
5029 splittable_symbolic_operand.
5030 (mips_use_anchors_for_symbol_p): New function.
5031 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5032 (mips_split_p): Declare.
5034 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5036 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5037 (mips*-*-linux*): Likewise.
5039 2006-03-16 Roger Sayle <roger@eyesopen.com>
5040 Daniel Speyer <dspeyer@wam.umd.edu>
5043 * tree-dump.c (dump_real): New function.
5044 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5045 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5046 (tree-dump.o): Add $(REAL_H) to the dependencies.
5048 2006-03-16 Roger Sayle <roger@eyesopen.com>
5051 * real.c (real_from_string): If the mantissa is zero, don't bother
5052 parsing the exponent as the result should always be zero.
5054 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5056 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5058 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5060 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5061 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5062 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5063 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5064 ia64_sched_finish_global): New static functions to implement
5065 hooks from gcc_target.sched.
5066 (spec_check_no, max_uid, pending_data_specs): New static variables.
5067 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5068 ia64_spec_check_src_p): New static functions.
5069 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5070 (TARGET_SCHED_ADJUST_COST): Removed.
5071 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5072 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5073 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5074 TARGET_SCHED_GEN_CHECK,
5075 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5076 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5077 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5078 Fixed to handle speculation checks.
5079 (rtx_needs_barrier): Fixed to handle speculative loads and
5081 (ia64_variable_issue): Added code to count speculative loads and their
5083 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5085 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5087 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5089 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5090 (ia64_reorg): Reset stops_p to NULL after it is freed.
5091 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5092 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5093 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5095 (data_speculative, control_speculative, check_load): New attributes.
5096 (mov<mode>_advanced, mov<mode>_speculative,
5097 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5098 zero_extend<mode>di2_speculative,
5099 zero_extend<mode>di2_speculative_advanced): New patterns for
5100 data and control speculative loads.
5101 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5103 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5104 New pattern for data and control speculation checks.
5105 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5106 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5107 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5108 Auxiliary definitions for the patterns.
5109 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5110 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5112 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5114 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5115 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5116 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5117 New resource constraints.
5118 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5120 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5121 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5122 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5123 msched-in-control-spec, msched-ldc, msched-control-ldc,
5124 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5125 msched-prefer-non-control-spec-insns,
5126 msched-count-spec-in-critical-path): New flags to tune speculative
5128 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5129 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5130 msched-in-control-spec, msched-ldc, msched-control-ldc,
5131 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5132 msched-prefer-non-control-spec-insns,
5133 msched-count-spec-in-critical-path): Document new flags.
5135 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5137 * target.h (struct spec_info_def): New opaque declaration.
5138 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5139 speculate_insn, needs_block_p, gen_check,
5140 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5141 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5142 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5143 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5144 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5145 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5147 (TARGET_SCHED): Use new macros.
5148 * rtl.h (copy_DEPS_LIST_list): New prototype.
5149 * sched-int.h (struct sched_info): Change signature of new_ready field,
5150 adjust all initializations. New fields: add_remove_insn,
5151 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5152 region_head_or_leaf_p.
5153 (struct spec_info_def): New structure declaration.
5154 (spec_info_t): New typedef.
5155 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5156 recovery_block, orig_pat.
5157 (glat_start, glat_end): New variables declaraions.
5158 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5160 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5161 DETACH_LIFE_INFO, USE_GLAT.
5162 (enum SPEC_SCHED_FLAGS): New enumeration.
5163 (NOTE_NOTE_BB_P): New macro.
5164 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5165 attach_life_info, debug_spec_status, check_reg_live): New functions.
5166 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5167 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5169 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5170 * ddg.c (get_block_head_tail): Adjust all uses.
5171 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5172 (sms_sched_info): Initialize new fields.
5173 (contributes_to_priority): Removed.
5174 * haifa-sched.c (params.h): New include.
5175 (get_block_head_tail): Adjust all uses.
5176 (ISSUE_POINTS): New macro.
5177 (glat_start, glat_end): New global variables.
5178 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5179 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5180 old_last_basic_block, before_recovery, current_sched_info_var,
5181 rgn_n_insns, luid): New static variables.
5182 (insn_cost1): New function. Move logic from insn_cost to here.
5183 (find_insn_reg_weight1): New function. Move logic from
5184 find_insn_reg_weight to here.
5185 (reemit_notes, move_insn, max_issue): Change signature.
5186 (move_insn1): Removed.
5187 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5188 extend_bb): New static functions to support extension of scheduler's
5190 (generate_recovery_code, process_insn_depend_be_in_spec,
5191 begin_speculative_block, add_to_speculative_block,
5192 init_before_recovery, create_recovery_block, create_check_block_twin,
5193 fix_recovery_deps): New static functions to support
5194 generation of recovery code.
5195 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5196 restore_bb_notes, move_block_after_check, move_succs): New static
5197 functions to support ebb scheduling.
5198 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5199 functions to support handling of register live information.
5200 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5201 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5202 add_jump_dependencies): New static functions.
5203 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5204 consistancy checking.
5205 (debug_spec_status): New function to call from debugger.
5206 (priority): Added code to handle speculation checks.
5207 (rank_for_schedule): Added code to distinguish speculative instructions.
5208 (schedule_insn): Added code to handle speculation checks.
5209 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5210 Fixed to handle ebbs.
5211 (move_insn): Added code to handle ebb scheduling.
5212 (max_issue): Added code to use ISSUE_POINTS of instructions.
5213 (choose_ready): Added code to choose between speculative and
5214 non-speculative instructions.
5215 (schedule_block): Added code to handle ebb scheduling and scheduling of
5216 speculative instructions.
5217 (sched_init): Initialize new variables.
5218 (sched_finish): Free new variables. Print statistics.
5219 (try_ready): Added code to handle speculative instructions.
5220 * lists.c (copy_DEPS_LIST_list): New function.
5221 * sched-deps.c (extend_dependency_caches): New function. Move logic
5222 from create_dependency_caches to here.
5223 (get_dep_weak, ds_merge): Make global.
5224 * genattr.c (main): Code to output prototype for
5225 dfa_clear_single_insn_cache.
5226 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5227 (output_dfa_clean_insn_cache_func): Code to output
5228 dfa_clear_single_insn_cache function.
5229 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5231 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5233 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5234 New static variables.
5235 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5236 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5238 (ebb_sched_info): Initialize new fields.
5239 (get_block_head_tail): Adjust all uses.
5240 (compute_jump_reg_dependencies): Fixed to use glat_start.
5241 (schedule_ebb): Code to remove unreachable last block.
5242 (schedule_ebbs): Added code to update register live information.
5243 * sched-rgn.c (region_sched_info): Initialize new fields.
5244 (get_block_head_tail): Adjust all uses.
5245 (last_was_jump): Removed. Adjust users.
5246 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5247 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5248 Implement new hooks.
5249 (check_dead_notes1): New static function.
5250 (struct region): New fields: dont_calc_deps, has_real_ebb.
5251 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5252 (BB_TO_BLOCK): Fixed to handle EBBs.
5253 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5254 (ebb_head): New static variable.
5255 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5256 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5258 (compute_dom_prob_ps): New assertion.
5259 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5260 global_live_at_start.
5261 (init_ready_list): New assertions.
5262 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5263 (new_ready): Add support for BEGIN_CONTROL speculation.
5264 (schedule_insns): Fixed code that updates register live information
5266 (schedule_region): Fixed to handle EBBs.
5267 (init_regions): Use extend_regions and check_dead_notes1.
5268 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5269 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5270 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5271 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5272 TARGET_SCHED_GEN_CHECK,
5273 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5274 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5275 * doc/invoke.texi (max-sched-insn-conflict-delay,
5276 sched-spec-prob-cutoff): Document.
5278 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5280 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5281 inter_tick, queue_index.
5282 (struct sched_info): Change signature of init_ready_list field.
5283 Adjust all initializations.
5284 (RESOLVED_DEPS): New access macro.
5285 (ready_add): Remove prototype.
5286 (try_ready): Add prototype.
5287 * sched-rgn.c (init_ready_list): Use try_ready.
5288 (schedule_region): Initialize
5289 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5290 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5291 (init_ready_list): Use try_ready.
5292 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5293 * lists.c (remove_list_elem): Remove `static'.
5294 (remove_free_INSN_LIST_elem): New function.
5295 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5296 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5297 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5299 (readyp): New variable.
5300 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5301 change_queue_index, resolve_dep): New static functions.
5302 (try_ready): New function. Adjust callers in sched-rgn.c and
5303 sched-ebb.c to use it instead of ready_add.
5304 (clock_var): Move at the begining of file.
5305 (rank_for_schedule): Fix typo.
5306 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5307 (ready_lastpos): Enforce assertion.
5308 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5310 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5311 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5312 (queue_to_ready): Use free_INSN_LIST_list.
5313 (early_queue_to_ready): Fix typo.
5314 (schedule_block): Init readyp. Move init_ready_list call after the
5315 initialization of clock_var. Fix error in rejecting insn by
5316 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5317 that previously corrected INSN_TICKs. Add code for handling
5319 (set_priorities): Fix typo.
5320 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5321 Clarify comment and code that keeps current_sched_info->next_tail
5324 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5326 * sched-rgn.c (extend_rgns): New static function.
5327 (find_rgns): Use it.
5328 (gather_region_statistics, print_region_statistics): New static
5330 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5331 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5333 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5334 Andrey Belevantsev <abel@ispras.ru>
5336 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5337 * lists.c (unused_deps_list): New variable.
5338 (free_list): Add assertions to verify the proper distinguishing
5339 between INSN_LISTs and DEPS_LISTs.
5340 (find_list_elem, remove_list_elem, remove_list_node): New static
5342 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5343 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5344 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5345 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5347 (free_INSN_LIST_node): Likewise.
5348 * modulo-sched.c (current_sched_info): Initialize flags field.
5349 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5350 * rtl.def (DEPS_LIST): Define.
5351 * rtl.h: Declare new functions from lists.c.
5352 * sched-deps.c (spec_dependency_cache): New static variable.
5353 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5354 (add_dependence): Change return type to void. Move the logic to ...
5355 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5356 (delete_all_dependences): Add comment about forward_dependency_cache.
5357 Handle spec_dependency_cache. Handle DEPS_LISTs.
5358 (fixup_sched_groups): Clarify the change of priority of output
5359 and anti dependencies.
5360 (sched_analyze_2): Adjust add_dependence calls to create data
5361 speculative dependence.
5362 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5363 Adjust all callers. Handle DEPS_LISTS.
5364 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5365 presence of speculation.
5366 (init_dependency_caches, free_dependency_caches):
5367 Handle spec_dependency_cache.
5368 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5369 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5370 New static functions.
5371 (add_or_update_back_dep, add_or_update_back_forw_dep,
5372 add_back_forw_dep, delete_back_forw_dep): New functions.
5373 * sched-int.h (ds_t, dw_t): New typedefs.
5374 (struct sched_info): Add new field flags.
5375 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5376 Prototype new sched-deps.c functions.
5377 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5378 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5379 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5380 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5381 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5382 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5384 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5386 * sched-rgn.c (current_sched_info): Initialize flags field.
5387 (schedule_insns): Initialize current_sched_info before the sched_init
5389 * sched-ebb.c (current_sched_info): Initialize flags field.
5390 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5391 Call add_or_update_back_dep instead of add_dependence.
5392 Create control speculative dependencies.
5393 (schedule_insns): Initialize current_sched_info before the sched_init
5396 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5398 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5400 (sh_fallback_frame_state): Likewise.
5402 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5404 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5405 Do switch on default_use_cxa_atexit.
5406 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5407 * config/darwin-crt3.o: New.
5408 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5409 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5410 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5412 * config/rs6000/t-darwin: Move crt2.o building to here.
5413 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5414 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5417 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5419 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5420 from '! xxx' to '!xxx' for coding-style conformance.
5421 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5422 (EXTRA_CONSTRAINT): Likewise.
5423 * config/vax/vax.md (four unnamed insns): Likewise.
5425 2006-03-15 Paul Brook <paul@codesourcery.com>
5427 * config/arm/arm.c (minipool_pad): New.
5428 (add_minipool_forward_ref): Include pool alignment padding in address
5430 (push_minipool_fix): Set minipool_pad.
5431 (minipool_pad): Ditto.
5433 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5435 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5436 instead of GET_CODE() == MEM and REG_P() instead of
5438 (print_operand_address): Likewise.
5439 (vax_address_cost): Likewise.
5440 (vax_rtx_costs): Likewise.
5441 (vax_notice_update_cc): Likewise.
5442 (vax_output_int_add): Likewise.
5443 (INDEX_REGISTER_P): Likewise.
5444 (BASE_REGISTER_P): Likewise.
5445 (nonindexed_address_p): Likewise.
5446 (vax_mode_dependent_address_p): Likewise.
5447 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5448 (PRINT_OPERAND): Likewise.
5449 * config/vax/vax.md (ashlsi3): Likewise.
5450 (ashlsi3): Likewise.
5451 (some more unnamed insns): Likewise.
5453 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5455 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5456 iterator-style macro.
5457 (mark_control_dependent_edges_necessary): Update the use of
5458 EXECUTE_IF_CONTROL_DEPENDENT.
5460 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5462 * config/sh/predicates.md (cache_address_operand): Special.
5463 (ua_address_operand): Likewise.
5465 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5467 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5469 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5471 2006-03-15 Andreas Schwab <schwab@suse.de>
5473 * gensupport.c (identify_predicable_attribute): Don't free p_false
5474 when it is still in use.
5476 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5478 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5479 the default setting here.
5481 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5483 * tree-pass.h (pass_cfg): Remove.
5484 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5485 * passes.c (pass_cfg): Don't run it.
5487 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5489 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5490 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5492 (stack_regs_mentioned): Update the uses of
5493 stack_regs_mentioned_data. Don't access the array beyond its
5495 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5496 Don't include gt-reg-stack.h.
5498 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5499 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5501 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5504 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5507 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5509 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5511 2006-03-14 Richard Guenther <rguenther@suse.de>
5513 PR tree-optimization/26672
5514 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5517 2006-03-14 Richard Guenther <rguenther@suse.de>
5519 PR tree-optimization/26667
5520 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5521 node for the callees. Always allow inlining if it will shrink
5524 2006-03-14 Richard Guenther <rguenther@suse.de>
5527 * builtins.c (get_pointer_alignment): Prefer alignment
5528 information from decls over that from types.
5530 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5533 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5535 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5537 * config/rs6000/rs6000.opt (mdlmzb): New option.
5538 (msched-prolog, msched-epilog): Use Var not Mask.
5539 * doc/invoke.texi (-mdlmzb): Document.
5540 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5542 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5543 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5545 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5547 PR rtl-optimization/25739
5548 * bt-load.c (augment_live_range): Free tos pointer.
5550 * gensupport.c (identify_predicable_attribute): Free
5552 * gcov.c (create_file_names): Free name pointer.
5554 2006-03-13 Roger Sayle <roger@eyesopen.com>
5557 * stmt.c (emit_case_nodes): Handle the case where the index is a
5558 CONST_INT, where the comparison mode is specified by the index type.
5560 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5562 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5565 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5567 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5568 (*branch_fp_inverted): Likewise.
5570 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5573 * omp-low.c (expand_omp_for_generic): Mark istart0
5574 and iend0 as addressable.
5576 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5578 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5580 2006-03-13 Jeff Law <law@redhat.com>
5582 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5583 virtual operands are interesting.
5584 (vrp_visit_stmt): Corresponding changes.
5586 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5588 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5590 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5591 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5592 * config/bfin/crti.S: Use it instead of __PIC__.
5593 * config/bfin/crtn.S: Likewise.
5595 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5596 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5598 Lose 'G' modifier for call operand.
5599 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5600 recognize 'G' modifier.
5602 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5605 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5606 * stmt.c (expand_case): Likewise.
5608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5610 PR rtl-optimization/26254
5611 * loop-invariant.c (seq_insns_valid_p): New function.
5612 (move_invariant_reg): Only emit new code if it is valid.
5614 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5616 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5618 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5619 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5620 (commit_one_edge_insertion): Do not look for loop notes.
5622 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5624 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5625 flag_test_coverage out of loop.
5627 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5629 * final.c (shorten_branches): Remove outdated comment, and turn
5630 the if branch that guards it to continue.
5632 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5634 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5635 * cfgloop.h (struct loop): Remove unused fields.
5637 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5639 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5640 (-dL, -fdump-rtl-loop2): Update the dump file names
5642 * doc/invoke.texi: Update dump file names.
5644 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5646 * predict.c (estimate_probability): Remove.
5647 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5648 * basic-block.h (estimate_probability): Remove prototype.
5649 * passes.c (finish_optimization_passes): Dump branch prediction or
5650 profiling heuristics to the .profile tree dump.
5651 (init_optimization_passes): Unqueue pass_branch_prob.
5653 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5655 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5657 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5658 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5660 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5662 * function.h (frame_offset_overflow): Declare.
5663 * function.c (frame_offset_overflow): New function.
5664 (assign_stack_local_1): Call it to detect that the offset overflows.
5665 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5667 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5669 * config/sh/sh.c: Include alloc-pool.h.
5670 (label_ref_list_pool): New alloc pool.
5671 (label_ref_list_t): New type for lists of labels.
5672 (struct pool_node): Make wend a label_ref_list_t.
5673 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5675 (dump_table): Likewise.
5676 (sh_reorg): Set up the alloc pool before using add_constant and
5677 dump_table, and destroy it when finishing.
5679 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5681 * config/mips/mips.c: Remove redundant comment.
5683 2006-03-10 Jason Merrill <jason@redhat.com>
5686 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5687 the target was declared 'register'.
5689 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5691 * genpreds.c (write_insn_constraint_len): Change definition of
5692 insn_constraint_len to return size_t to match the declaration.
5694 2006-03-10 DJ Delorie <dj@redhat.com>
5696 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5698 (m32c_expand_insv): Fix test for an AND mask.
5700 2006-03-10 Richard Guenther <rguenther@suse.de>
5703 * builtins.c (get_pointer_alignment): Handle component
5704 references for field alignment.
5706 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5708 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5709 when building with libgloss.
5710 (sh*elf): Implement --without-fp option.
5711 (sh64-superh-linux*): Don't multilib.
5713 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5715 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5717 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5719 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5720 Set it when one of the replacement functions returned true.
5721 Return TODO_cleanup_cfg if cfgchanged is true.
5722 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5724 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5726 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5727 instead of gen_lowpart.
5729 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5731 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5733 (mips_output_order_conditional_branch): Declare.
5734 * config/mips/mips.h (MIPS_BRANCH): New macro.
5735 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5736 for the comparison. Use gen_condjump.
5737 (mips_output_conditional_branch): Rework interface to take the
5738 asm templates for a direct branch and the inverse of a direct branch.
5739 (mips_output_order_conditional_branch): New function.
5740 (mips_builtin_branch_and_move): New function.
5741 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5742 branch condition. Use gen_single_cc as the condition for
5743 __builtin_mips_upper_* or __builtin_mips_lower_*.
5744 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5745 Use VOIDmode for the branch condition.
5746 * config/mips/predicates.md (order_operator): New predicate.
5747 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5748 (branch_fp): Rename to...
5749 (*branch_fp): ...this. Remove mode from comparison operator.
5750 Use new mips_output_conditional_branch interface.
5751 (branch_fp_inverted): Rename to...
5752 (*branch_fp_inverted): ...this and update as for *branch_fp.
5753 (*branch_zero<mode>): Rename to...
5754 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5755 Use mips_output_order_conditional_branch. Only accept ordered
5757 (*branch_zero<mode>_inverted): Rename to...
5758 (*branch_order<mode>_inverted): ...this and update as for
5759 *branch_order<mode>.
5760 (*branch_equality<mode>): Accept zero as the second operand to
5761 the equality operator. Use the new mips_output_conditional_branch
5763 (*branch_equality<mode>_inverted): Likewise.
5764 (condjump): New expander.
5765 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5767 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5768 (bc1any2t, bc1any2f): Likewise.
5769 (single_cc): New expander.
5770 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5772 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5774 * doc/md.texi: Update documentation of MIPS constraints.
5775 * config/mips/constraints.md: New file.
5776 * config/mips/mips.md: Include it.
5777 * config/mips/mips.c (mips_char_to_class): Delete.
5778 (override_options): Don't initialize mips_char_to_class.
5779 * config/mips/mips.h (mips_char_to_class): Delete.
5780 (REG_CLASS_FROM_LETTER): Delete.
5781 (CONST_OK_FOR_LETTER_P): Delete.
5782 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5783 (EXTRA_CONSTRAINT_Y): Delete.
5784 (EXTRA_CONSTRAINT_STR): Delete.
5785 (CONSTRAINT_LEN): Delete.
5786 (EXTRA_MEMORY_CONSTRAINT): Delete.
5788 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5790 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5791 original fn's eh regions.
5793 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5795 * fold-const.c (build_range_check): Make sure to use a valid type to
5796 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5799 (range_predecessor): New static function.
5800 (range_successor): Likewise.
5801 (merge_ranges): Use them to compute predecessors and successors of
5804 2006-03-09 Roger Sayle <roger@eyesopen.com>
5807 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5808 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5810 2006-03-08 DJ Delorie <dj@redhat.com>
5812 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5813 (addpsi3): Expand to include memory operands. Remove
5814 reload-specific splits.
5815 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5816 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5817 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5818 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5819 (shift1_qi, shift1_hi, insv): New.
5820 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5821 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5822 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5824 * config/m32c/m32c-protos.h: Update as needed.
5825 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5826 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5827 Fail for unrecognized R* constraints.
5828 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5829 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5830 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5832 (m32c_init_libfuncs): New.
5833 (m32c_legitimate_address_p): Add debug wrapper.
5834 (m32c_rtx_costs): New.
5835 (m32c_address_cost): New.
5836 (conversions): Add 'B' prefix.
5837 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5838 operands, or word regnames for QI operands. 'B' prints bit
5840 (m32c_expand_setmemhi): New.
5841 (m32c_expand_movmemhi): New.
5842 (m32c_expand_movstr): New.
5843 (m32c_expand_cmpstr): New.
5844 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5845 (m32c_expand_neg_mulpsi3): Handle non-ints.
5846 (m32c_cmp_flg_0): New.
5847 (m32c_expand_movcc): New.
5848 (m32c_expand_insv): New.
5849 (m32c_scc_pattern): New.
5850 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5851 a0/a1 out of SIregs.
5852 (STORE_FLAG_VALUE): New.
5853 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5856 * config/m32c/mov.md: Make constraints more liberal.
5857 (zero_extendqihi2): Optimize r0/r1 case.
5858 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5859 * config/m32c/predicates.md (m32c_any_operand): New.
5860 (m32c_nonimmediate_operand): New.
5861 (m32c_hl_operand): New.
5862 (m32c_r3_operand): New.
5865 (memsym_operand): New.
5866 (memimmed_operand): New.
5867 (a_qi_operand): New.
5868 (m32c_eqne_operator): New.
5869 (m32c_1bit8_operand): New.
5870 (m32c_1bit16_operand): New.
5871 (m32c_1mask8_operand): New.
5872 (m32c_1mask16_operand): New.
5873 * config/m32c/blkmov.md: New file.
5874 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5876 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5878 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5879 unsigned to fix signed/unsigned comparison issue in
5880 DWARF2_FRAME_REG_OUT.
5881 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5882 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5884 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5885 of ptr into the ENABLE_CHECKING section.
5887 2006-03-08 Jeff Law <law@redhat.com>
5889 * tree-vrp.c (infer_value_range): Only count pointer uses
5890 and dereferences if -fdelete-null-pointer-checks is enabled.
5892 * tree-vrp.c (find_assert_locations): Infer value ranges for
5893 single use pointers, but do not create ASSERT_EXPRs for them.
5894 When a non-null range is inferred for a pointer, backwards
5895 propagate that range to other equivalent pointers through the
5898 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5901 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5902 language hook targets.
5903 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5904 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5905 if language hook targets were missing.
5907 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5909 * tree-ssa-opfinalize.h: Removed.
5910 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5912 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5913 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5914 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5915 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5916 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5917 finalize_ssa_v_must_def_ops): New.
5919 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5921 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5924 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5926 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5928 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5929 addresses with offsets; reorganize.
5931 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5932 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5933 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5935 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5938 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5940 2006-03-08 Ben Elliston <bje@au.ibm.com>
5942 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5944 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5947 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5950 2006-03-07 Richard Guenther <rguenther@suse.de>
5952 PR tree-optimization/26587
5953 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5955 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5957 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5959 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5961 * hooks.c (hook_bool_mode_rtx_true): New function.
5962 * hooks.h (hook_bool_mode_rtx_true): Declare.
5963 * toplev.c (compile_file): Call output_shared_constant_pool.
5964 * varasm.c (shared_constant_pool): New variable.
5965 (assemble_start_function, assemble_end_function): Remove arguments
5966 from call to output_constant_pool.
5967 (create_constant_pool): New function, split out from...
5968 (init_varasm_status): ...here.
5969 (force_const_mem): Choose between the shared and per-function constant
5970 pools. Set current_function_uses_const_pool when reusing old entries
5971 as well as when creating new ones.
5972 (mark_constant): Ignore data argument.
5973 (mark_constants): Remove pool argument.
5974 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5975 to decide whether the function uses a constant pool.
5976 (output_constant_pool_contents): New function, split out from...
5977 (output_constant_pool): ...here.
5978 (output_shared_constant_pool): New function.
5979 (init_varasm_once): Initialize shared_constant_pool.
5980 * output.h (output_constant_pool): Delete.
5981 (output_shared_constant_pool): Declare.
5982 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5983 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5985 2006-03-06 Nick Clifton <nickc@redhat.com>
5987 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5988 flag_strength_reduce.
5990 2006-03-06 Ben Elliston <bje@au.ibm.com>
5992 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5993 x86_64-*-linux* configurations.
5995 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5996 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5998 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6000 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6002 * basic-block.h: Remove the extern for
6003 rediscover_loops_after_threading.
6005 * cfgloop.c (cancel_loop): Make it static.
6006 * cfgloop.h: Remove the prototype for cancel_loop.
6008 * flow.c (recompute_reg_usage): Make it static.
6009 * rtl.h: Remove the prototype for recompute_reg_usage.
6011 * function.c (use_return_register): Make it static.
6012 * function.h: Remove the prototype.
6014 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6016 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6018 * recog.h: Remove the prototype for
6019 validate_change_maybe_volatile.
6021 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6023 * rtlanal.c (replace_reg): Remove.
6024 * rtl.h: Remove the prototype for replace_reg.
6026 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6028 * regclass.c (reg_scan_update): Remove.
6029 (reg_scan_mark_refs): Remove the last argument.
6030 * rtl.h: Remove the prototype for reg_scan_update.
6032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6034 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6035 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6036 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6037 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6038 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6039 loop-invariant.c, omp-low.c, opts.c, passes.c,
6040 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6041 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6042 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6043 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6044 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6045 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6047 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6049 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6050 * dwarf2out.h: Remove the prototype for
6051 dwarf2out_add_library_unit_info.
6053 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6055 * tree.c (add_var_to_bind_expr): Remove.
6056 * tree.h: Remove the prototype for add_var_to_bind_expr.
6058 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6060 * regclass.c (n_non_fixed_regs): Remove.
6061 (init_reg_sets_1, globalize_reg): Remove all uses of
6063 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6067 * rtlanal.c (insns_safe_to_move_p): Remove.
6068 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6070 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6072 * expmed.c (expand_mult_add): Remove.
6073 * expr.h: Remove the prototype for expand_mult_add.
6075 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6077 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6078 and REG_SAVED_VAL_EXP constants.
6079 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6080 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6081 Handle regs stored by value.
6082 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6083 (execute_cfa_program): Handle DW_CFA_val_offset,
6084 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6085 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6086 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6087 (uw_install_context_1): Handle target regs stored by value.
6089 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6091 * tree-sra.c (tree_sra): Return todoflags;
6092 (generate_one_element): Set TODO_update_smt_usage if needed.
6093 (pass_sra): Remove TODO_update_smt_usage.
6094 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6096 (tree_ssa_forward_propagate_single_use_vars): Return
6097 TODO_update_smt_usage if we need to update SMT usage.
6098 (pass_forwprop): Remove TODO_update_smt_usage.
6100 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6102 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6103 (correct_use_link): Remove reference to get_stmt_operands.
6104 (update_stmt_operands): Likewise.
6105 (get_modify_expr_operands): New function factored out of
6106 parse_ssa_operands and get_expr_operands.
6107 Try to create V_MUST_DEFs for LHS by default.
6108 (get_expr_operands) <case MODIFY_EXPR>: Call
6109 get_modify_expr_operands.
6110 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6111 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6112 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6113 get_modify_expr_operands.
6115 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6117 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6118 * tree-flow.h: Remove the prototype for
6119 referenced_var_lookup_if_exists.
6121 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6123 PR rtl-optimization/26345
6125 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6127 2006-03-03 Roger Sayle <roger@eyesopen.com>
6129 PR tree-optimization/26524
6130 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6131 fold_convert to create a constant of the appropriate type.
6133 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6135 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6136 SYMBOL_REF_IN_BLOCK_P.
6137 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6138 of SYMBOL_FLAG_IN_BLOCK.
6139 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6140 instead of SYMBOL_REF_IN_BLOCK_P.
6141 * explow.c (use_anchored_address): Likewise.
6142 * rtl.c (rtx_size): Likewise.
6143 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6144 instead of SYMBOL_FLAG_IN_BLOCK.
6145 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6146 SYMBOL_REF_IN_BLOCK_P.
6147 (assemble_variable): Likewise.
6148 (output_constant_def_contents): Likewise.
6149 (output_constant_pool): Likewise.
6150 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6151 instead of SYMBOL_FLAG_IN_BLOCK.
6152 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6153 SYMBOL_REF_IN_BLOCK_P.
6154 (SYMBOL_REF_BLOCK): Likewise.
6155 (SYMBOL_REF_OFFSET): Likewise.
6156 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6157 SYMBOL_REF_IN_BLOCK_P.
6158 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6159 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6160 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6161 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6163 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6165 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6167 2006-03-02 Roger Sayle <roger@eyesopen.com>
6169 * simplify-rtx.c (simplify_unary_operation): When simplifying
6170 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6171 that we perform the right shift in the appropriate mode, and
6172 then extend or truncate the result to requested mode.
6174 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6176 * gengtype.c (main): Handle double_int type.
6177 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6178 * double-int.c: New file.
6179 * double-int.h: New file.
6180 * system.h: Include doubleint.h.
6181 * Makefile.in (SYSTEM_H): Include double-int.h.
6182 (double-int.o): Add.
6184 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6187 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6190 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6192 * tree-vrp.c (remove_range_assertions): Do not update statements
6195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6197 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6199 * gcse.c (rest_of_handle_gcse): Ditto.
6200 * except.c (gate_handle_eh): Ditto.
6201 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6202 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6204 2006-03-02 Eric Christopher <echristo@apple.com>
6206 * config/i386/i386.c (machopic_output_stub): Add indirection to
6209 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6213 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6215 Sun Niagara specific optimizations.
6216 * config.gcc: Recognize niagara as target.
6217 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6218 (TARGET_CPU_niagara): Define.
6219 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6220 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6221 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6222 (ASM_CPU_SPEC): Likewise.
6223 (PROCESSOR_NIAGARA): New enum entry.
6224 (REGISTER_MOVE_COST): Handle Niagara.
6225 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6226 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6227 (sparc_override_options): Recognize "niagara", set appropriate
6228 default MASK_* values for it, and align functions to 32-bytes
6229 by default just like ULTRASPARC/ULTRASPARC3.
6230 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6231 (sparc64_initialize_trampoline): Likewise.
6232 (sparc_use_sched_lookahead): Use zero for niagara.
6233 (sparc_issue_rate): Use one for niagara.
6234 * config/sparc/niagara.md: New file.
6235 * config/sparc/sparc.md: Include it.
6236 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6237 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6238 when default cpu is niagara.
6239 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6240 (ASM_CPU_SPEC): Likewise.
6241 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6242 when default cpu is niagara.
6243 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6244 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6245 just like v9/ultrasparc/ultrasparc3.
6246 * doc/invoke.texi: Add documentation for "niagara" and improve
6247 existing documentation for ultrasparc variants.
6249 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6251 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6253 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6255 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6256 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6257 and say that only one is needed.
6258 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6259 * target.h (have_switchable_bss_sections): New hook.
6260 * explow.c (use_anchored_address): Check that the symbol is in a block.
6261 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6262 (bss_noswitch_section): New variables.
6263 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6264 (get_noswitch_section): New function.
6265 (get_block_for_section): Allow SECT to be null.
6266 (unlikely_text_section_p): Use SECTION_STYLE.
6267 (bss_initializer_p): New function.
6268 (get_variable_section): Move earlier in file. Take a new argument,
6269 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6270 Return one of the new *_sections in such cases.
6271 (get_block_for_decl): New function, extracting some logic from
6272 use_blocks_for_decl_p.
6273 (change_symbol_section): Remove in favor of...
6274 (change_symbol_block): ...this new function.
6275 (use_blocks_for_decl_p): Remove checks now performed by
6277 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6278 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6279 (emit_local, emit_bss, emit_common): ...these new functions.
6280 Return true if the alignment was honored.
6281 (emit_tls_common): New function.
6282 (asm_emit_uninitialised): Delete.
6283 (assemble_variable_noswitch): New function, split out from...
6284 (assemble_variable): ...here. Don't make decisions about common
6285 variables here. Globalize all public decls that go into non-common
6286 sections. Check whether SYMBOL_REF_BLOCK is null.
6287 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6288 (output_constant_pool): Likewise.
6289 (init_varasm_once): Initialize the new section variables.
6290 (have_global_bss_p): New function.
6291 (categorize_decl_for_section): Use bss_initializer_p.
6292 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6293 (place_block_symbol): Assert that the symbol must be in a block.
6294 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6295 (TARGET_INITIALIZER): Include it.
6296 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6297 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6298 (SECTION_MACH_DEP): Bump by two.
6299 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6300 (unnamed_section): Mention SECTION_UNNAMED in comment.
6301 (named_section): Likewise SECTION_NAMED.
6302 (noswitch_section_callback): New type.
6303 (noswitch_section): New structure.
6304 (section): Add a noswitch_section alternative.
6305 (SECTION_STYLE): New macro.
6306 (tls_comm_section, comm_section, lcomm_section): Declare.
6307 (bss_noswitch_section, have_global_bss_p): Declare.
6308 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6309 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6311 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6312 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6315 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6317 * tree-vrp.c (execute_vrp): Return value.
6318 * regrename.c (rest_of_handle_regrename): Ditto.
6319 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6320 * tree-complex.c (tree_lower_complex): Ditto.
6321 (tree_lower_complex_O0): Ditto.
6322 * tracer.c (rest_of_handle_tracer): Ditto.
6323 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6324 * postreload.c (rest_of_handle_postreload): Ditto.
6325 * tree-tailcall.c (execute_tail_recursion): Ditto.
6326 (execute_tail_calls): Ditto.
6327 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6328 * tree.h (init_function_for_compilation): Ditto.
6329 * ipa-cp.c (ipcp_driver): Ditto.
6330 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6331 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6332 * final.c (compute_alignments): Ditto.
6333 (rest_of_handle_final): Ditto.
6334 (rest_of_handle_shorten_branches): Ditto.
6335 (rest_of_clean_state): Ditto.
6336 * omp-low.c (execute_expand_omp): Ditto.
6337 (execute_lower_omp): Ditto.
6338 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6339 * ipa-reference.c (static_execute): Ditto.
6340 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6341 * reorg.c (rest_of_handle_delay_slots): Ditto.
6342 (rest_of_handle_machine_reorg): Ditto.
6343 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6344 * flow.c (recompute_reg_usage): Ditto.
6345 (rest_of_handle_remove_death_notes): Ditto.
6346 (rest_of_handle_life): Ditto.
6347 (rest_of_handle_flow2): Ditto.
6348 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6349 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6350 (do_ssa_store_ccp): Ditto.
6351 (execute_fold_all_builtins): Ditto.
6352 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6353 * modulo-sched.c (rest_of_handle_sms): Ditto.
6354 * ipa-pure-const.c (static_execute): Ditto.
6355 * cse.c (rest_of_handle_cse): Ditto.
6356 (rest_of_handle_cse2): Ditto.
6357 * web.c (rest_of_handle_web): Ditto.
6358 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6359 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6360 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6361 * tree-nrv.c (tree_nrv): Ditto.
6362 (execute_return_slot_opt): Ditto.
6363 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6364 (create_structure_vars): Ditto.
6365 * loop-init.c (rtl_loop_init): Ditto.
6366 (rtl_loop_done): Ditto.
6367 (rtl_move_loop_invariants): Ditto.
6368 (rtl_unswitch): Ditto.
6369 (rtl_unroll_and_peel_loops): Ditto.
6370 (rtl_doloop): Ditto.
6371 * gimple-low.c (lower_function_body): Ditto.
6372 (mark_used_blocks): Ditto.
6373 * tree-ssa-sink.c (execute_sink_code): Ditto.
6374 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6375 (cgraph_early_inlining): Ditto.
6376 * global.c (rest_of_handle_global_alloc): Ditto.
6377 * jump.c (cleanup_barriers): Ditto.
6378 (purge_line_number_notes): Ditto.
6379 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6380 (rest_of_handle_if_after_reload): Ditto.
6381 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6382 (tree_ssa_loop_im): Ditto.
6383 (tree_ssa_loop_unswitch): Ditto.
6384 (tree_vectorize): Ditto.
6385 (tree_linear_transform): Ditto.
6386 (tree_ssa_loop_ivcanon): Ditto.
6387 (tree_ssa_empty_loop): Ditto.
6388 (tree_ssa_loop_bounds): Ditto.
6389 (tree_complete_unroll): Ditto.
6390 (tree_ssa_loop_prefetch): Ditto.
6391 (tree_ssa_loop_ivopts): Ditto.
6392 (tree_ssa_loop_done): Ditto.
6393 * predict.c (tree_estimate_probability): Ditto.
6394 * recog.c (split_all_insns_noflow): Ditto.
6395 (rest_of_handle_peephole2): Ditto.
6396 (rest_of_handle_split_all_insns): Ditto.
6397 * tree-eh.c (lower_eh_constructs): Ditto.
6398 * regmove.c (rest_of_handle_regmove): Ditto.
6399 (rest_of_handle_stack_adjustments): Ditto.
6400 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6401 * function.c (instantiate_virtual_regs): Ditto.
6402 (init_function_for_compilation): Ditto.
6403 (rest_of_handle_check_leaf_regs): Ditto.
6404 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6405 (rest_of_handle_gcse): Ditto.
6406 * ipa-type-escape.c (type_escape_execute): Ditto.
6407 * alias.c (rest_of_handle_cfg): Ditto.
6408 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6409 * profile.c (rest_of_handle_branch_prob): Ditto.
6410 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6411 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6412 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6413 * tree-dfa.c (find_referenced_vars): Ditto.
6414 * except.c (set_nothrow_function_flags): Ditto.
6415 (convert_to_eh_region_ranges): Ditto.
6416 (rest_of_handle_eh): Ditto.
6417 * emit-rtl.c (unshare_all_rtl): Ditto.
6418 (remove_unnecessary_notes): Ditto.
6419 * except.h (set_nothrow_function_flags): Ditto.
6420 (convert_to_eh_region_ranges): Ditto.
6421 * cfgexpand.c (tree_expand_cfg): Ditto.
6422 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6423 * tree-ssa-pre.c (do_pre): Ditto.
6424 (execute_fre): Ditto.
6425 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6426 (rest_of_handle_jump2): Ditto.
6427 * tree-sra.c (tree_sra): Ditto.
6428 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6429 (execute_mudflap_function_decls): Ditto.
6430 * tree-ssa-copy.c (do_copy_prop): Ditto.
6431 (do_store_copy_prop): Ditto.
6432 * ipa-prop.h (ipcp_driver): Ditto.
6433 * cfglayout.c (insn_locators_initialize): Ditto.
6434 * tree-ssa-forwprop.c
6435 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6436 * cfglayout.h (insn_locators_initialize): Ditto.
6437 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6438 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6439 (execute_late_warn_uninitialized): Ditto.
6440 * rtl.h (cleanup_barriers): Ditto.
6441 (split_all_insns_noflow): Ditto.
6442 (purge_line_number_notes): Ditto.
6443 (unshare_all_rtl): Ditto.
6444 (remove_unnecessary_notes): Ditto.
6445 (recompute_reg_usage): Ditto.
6446 (variable_tracking_main): Ditto.
6447 * integrate.c (emit_initial_value_sets): Ditto.
6448 * integrate.h (emit_initial_value_sets): Ditto.
6449 * tree-optimize.c (execute_free_datastructures): Ditto
6450 (execute_free_cfg_annotations): Ditto.
6451 (execute_fixup_cfg): Ditto.
6452 (execute_cleanup_cfg_pre_ipa): Ditto.
6453 (execute_cleanup_cfg_post_optimizing): Ditto.
6454 (execute_init_datastructures): Ditto.
6455 * tree-object-size.c (compute_object_sizes): Ditto.
6456 * combine.c (rest_of_handle_combine): Ditto.
6457 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6458 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6459 (rest_of_handle_reorder_blocks): Ditto.
6460 (rest_of_handle_partition_blocks): Ditto.
6461 * var-tracking.c (variable_tracking_main): Ditto.
6462 * tree-profile.c (tree_profiling): Ditto.
6463 * tree-vect-generic.c (expand_vector_operations): Ditto.
6464 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6465 * sched-rgn.c (rest_of_handle_sched): Ditto.
6466 (rest_of_handle_sched2): Ditto.
6467 * basic-block.h (free_bb_insn): Ditto.
6468 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6469 * tree-cfg.c (execute_build_cfg): Ditto.
6470 (remove_useless_stmts): Ditto.
6471 (split_critical_edges): Ditto.
6472 (execute_warn_function_return): Ditto.
6473 (execute_warn_function_noreturn): Ditto.
6474 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6475 * cfgrtl.c (free_bb_for_insn): Ditto.
6476 * passes.c (execute_one_pass): Run additional
6477 todos returned by execute function.
6478 * tree-pass.h (struct tree_opt_pass): Make execute
6481 2006-03-02 Richard Guenther <rguenther@suse.de>
6483 * tree-ssa-alias.c (find_used_portions): Consider taking
6484 the address as making the variable not write-only.
6486 2006-03-02 Nick Clifton <nickc@redhat.com>
6488 * config.gcc (default_use_cxa_atexit): Extend the description of
6489 this configure variable. Set its default value to "yes" for
6490 Linux, NetBSD and ELF targets on the assumption that they will
6491 use C libraries with the __cxa_atexit function.
6493 2006-03-02 Ben Elliston <bje@au.ibm.com>
6495 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6496 parameter as unused to suppress a build warning.
6498 2006-03-02 Ben Elliston <bje@au.ibm.com>
6500 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6503 2006-03-01 Roger Sayle <roger@eyesopen.com>
6506 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6507 declared name, the weak reference name, and the typeof name.
6508 (__gthrw): Avoid expanding the declared name suffix.
6509 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6511 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6513 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6515 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6516 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6517 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6518 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6519 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6520 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6521 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6522 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6523 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6524 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6525 (DW_END_default, DW_END_big, DW_END_little): New.
6526 (DW_END_lo_user, DW_END_hi_user): Define.
6527 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6528 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6529 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6532 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6534 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6536 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6538 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6540 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6542 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6543 to 'symbol_mem_tag'.
6545 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6548 2006-03-01 Roger Sayle <roger@eyesopen.com>
6550 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6555 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6556 MACHO_DYNAMIC_NO_PIC_P.
6557 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6559 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6562 * config/darwin-protos.h (darwin_asm_output_anchor):
6564 * config/darwin-sections.def (cstring_section):
6565 Add SECTION_MERGE to the flags.
6566 (literal4_section): Likewise.
6567 (literal8_section): Likewise.
6568 (objc_selector_refs_section): Likewise.
6569 (objc_cls_refs_section): Likewise.
6570 * config/darwin.c (darwin_asm_output_anchor): New
6572 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6574 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6576 Fix PR tree-optimization/26443
6577 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6578 to todo and PROP_tmt_usage to properties_destroyed.
6579 * tree-ssa-ccp.c (pass_ccp): Ditto.
6580 (pass_store_ccp): Ditto.
6581 * tree-ssa-dom.c (pass_dominator): Ditto.
6583 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6585 * tree-ssa-operands.c: Cleanup whitespace.
6586 (get_asm_expr_operands): Move before first invocation.
6587 (get_indirect_ref_operands): Likewise.
6588 (get_tmr_operands): Likewise.
6589 (get_call_expr_operands): Likewise.
6590 (append_def): Likewise.
6591 (append_use): Likewise.
6592 (append_v_may_def): Likewise.
6593 (append_v_must_def): Likewise.
6594 (add_call_clobber_ops): Likewise.
6595 (add_call_read_ops): Likewise.
6596 (add_stmt_operand): Likewise.
6597 (add_virtual_operand): Likewise.
6598 (build_ssa_operands): Likewise.
6600 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6605 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6606 with a call expr to ...
6607 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6609 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6611 * tree-vrp.c (extract_range_from_assert): Remove special
6612 handling for types with super-types.
6614 2006-03-01 Ben Elliston <bje@au.ibm.com>
6616 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6617 and powerpc64-*-linux* configurations.
6618 * config/t-dfprules: New file.
6620 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6621 Compile dfp-bit.c from the source directory using -DWIDTH and
6622 $DFP_CFLAGS to control the compilation of that file, rather than
6623 generating width-specific versions in the build directory.
6624 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6625 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6627 2006-02-28 Zack Weinberg <zackw@panix.com>
6629 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6632 2006-02-28 Eric Christopher <echristo@apple.com>
6634 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6635 Set up IN_LIBGCC definition of TARGET_64BIT.
6636 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6638 2006-02-28 Roger Sayle <roger@eyesopen.com>
6641 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6642 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6643 cases via the construction of "expr != 0".
6645 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6647 * alias.c (alias_invariant, alias_invariant_size): Remove.
6648 (record_base_value): Remove.
6649 (memrefs_conflict_p): Don't look at alias_invariant.
6650 (end_alias_analysis): Don't free it.
6651 * alias.h (record_base_value): Remove prototype.
6653 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6654 Adam Nemet <anemet@caviumnetworks.com>
6656 * rtl.h (truncated_to_mode): Declare it.
6657 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6658 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6659 (RTL_HOOKS_INITIALIZER): Include it.
6660 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6661 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6662 reg_truncated_to_mode.
6663 * rtlanal.c (truncated_to_mode): Define it.
6664 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6666 2006-02-28 Jeff Law <law@redhat.com>
6668 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6669 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6670 the range allowed by TYPE_PRECISION.
6672 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6674 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6676 PR tree-optimization/26419
6677 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6680 2006-02-27 Zack Weinberg <zackw@panix.com>
6682 * doc/md.texi: Fix typo in previous change.
6684 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6688 2006-02-27 Zack Weinberg <zackw@panix.com>
6690 * rtl.def (define_constraint, define_register_constraint)
6691 (define_memory_constraint, define_address_constraint): New MD forms.
6692 * gensupport.c (process_rtx): Put define_constraint etc on the
6694 * genpreds.c (process_define_predicate): Adjust comment. Validate
6695 the name, and call validate_exp to validate the expression.
6696 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6697 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6698 all callers changed.
6699 (validate_exp, needs_variable, struct constraint_data)
6700 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6701 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6702 (const_dbl_constraints, constraint_max_namelen)
6703 (have_register_constraints, have_memory_constraints)
6704 (have_address_constraints, have_address_constraints)
6705 (have_extra_constraints, have_const_int_constraints)
6706 (have_const_dbl_constraints, mangle, add_constraint)
6707 (process_define_constraint, process_define_register_constraint)
6708 (write_enum_constraint_num, write_lookup_constraint)
6709 (write_insn_constraint_len, write_regclass_for_constraint)
6710 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6711 (write_insn_extra_memory_constraint)
6712 (write_insn_extra_address_constraint)
6713 (write_satisfies_constraint_fns): New.
6714 (write_tm_preds_h): If we have new-style constraint definitions,
6715 prototype the functions generated from them, and define the
6716 old constraint interface (still used by generic code) in terms of
6718 (write_insn_preds_c): If we have new-style constraint definitions,
6719 generate all relevant functions from those definitions.
6720 (main): Handle define_constraint etc.
6721 * genoutput.c (struct constraint_data, indep_constraints)
6722 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6723 (mdep_constraint_len): New data structures and functions, defined
6724 #ifdef USE_MD_CONSTRAINTS.
6725 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6726 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6727 use new logic to validate operand constraints against constraint
6729 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6731 * defaults.h: If none of the old-style constraint macros are
6732 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6733 old-style macros; and poison REG_CLASS_FROM_LETTER,
6734 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6736 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6737 * doc/md.texi: Document new constraint-definition mechanism and the
6738 C interface it provides. Remove references to old mechanism
6739 elsewhere in the document.
6740 (Machine Constraints): Use pathnames relative to gcc directory,
6741 i.e. config/ARCH/FILE. Change i386 section to refer to
6742 config/i386/predicates.md; update that section to match docstrings.
6743 * doc/tm.texi: Move all documentation of the old constraint-
6744 definition macros to their own section, clearly mark as obsolete.
6746 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6747 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6749 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6750 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6751 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6753 (splits and peepholes): Use satisfies_constraint_*.
6754 * config/i386/i386.c (memory_address_length)
6755 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6757 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6759 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6760 scalar operation to be put back into the loop.
6762 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6765 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6766 (extract_cie_info): Handle S flag in augmentation string.
6767 (execute_cfa_program): If context->signal_frame, execute also
6768 fs->pc == context->ra instructions.
6769 (uw_frame_state_for): If context->signal_frame, don't subtract one
6770 from context->ra to find FDE.
6771 (uw_update_context_1): Set context->signal_frame to
6773 (_Unwind_GetIPInfo): New function.
6774 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6775 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6777 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6778 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6779 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6780 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6781 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6782 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6783 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6784 x86_64_fallback_frame_state): Set fs->signal_frame.
6785 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6786 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6787 (frob_update_context): Likewise. Workaround missing S flag in
6788 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6789 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6790 Remove the psw_addr + 1 hack.
6792 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6794 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6795 with aggregates here.
6796 (find_func_aliases): Remove code for &<aggregate> from here.
6798 2006-02-26 Roger Sayle <roger@eyesopen.com>
6800 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6801 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6802 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6805 2006-02-26 Roger Sayle <roger@eyesopen.com>
6808 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6810 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6812 * opts.c (decode_options): Do not handle flag_strength_reduce.
6813 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6814 and OPT_fstrength_reduce.
6815 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6816 flag_prefetch_loop_arrays for being nonzero.
6817 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6819 (fprefetch-loop-arrays-rtl): Removed.
6820 (flag_prefetch_loop_arrays): Do not specify the value.
6822 * doc/passes.texi: Update documentation of loop optimizer
6824 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6825 -frerun-loop-opt): Remove.
6827 2006-02-26 Richard Guenther <rguenther@suse.de>
6829 PR tree-optimization/26421
6830 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6831 in function calls that are ADDR_EXPRs as using the whole structure.
6833 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6835 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6836 * tree-pass.h (pass_loop_optimize): Remove.
6837 * passes.c (pass_loop_optimize): Never run it.
6838 * toplev.c (backend_init): Don't call init_loop.
6839 * opts.c (flag_loop_optimize_set): Remove.
6840 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6841 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6842 the old RTL loop optimizer when profiling enabled.
6843 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6844 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6845 pre-headers for the sake of the old RTL loop optimizer.
6846 * Makefile.in: Remove all references to loop.o.
6848 * doc/invoke.texi: Remove all references to -floop-optimize
6849 and -frerun-loop-opt.
6851 2006-02-26 Zack Weinberg <zackw@panix.com>
6853 * doc/md.texi (Machine Constraints): Refer to all files with paths
6854 relative to gcc directory (i.e. config/CPU/file). Add missing
6855 @table @code ... @end table to M32C subsection.
6857 2006-02-26 Roger Sayle <roger@eyesopen.com>
6859 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6861 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6863 2006-02-26 Roger Sayle <roger@eyesopen.com>
6864 James A. Morrison <phython@gcc.gnu.org>
6867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6868 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6869 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6870 signedness of the shift operation.
6872 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6874 PR tree-optimization/26359
6875 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6877 2006-02-25 Roger Sayle <roger@eyesopen.com>
6879 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6880 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6881 as X == 0, and some symmetry related transformations.
6882 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6884 2006-02-25 Roger Sayle <roger@eyesopen.com>
6887 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6888 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6889 symmetry related transformations. Fold (X^C1) == C2 as
6892 2006-02-25 Juergen Weigert <jw@suse.de>
6893 Richard Guenther <rguenther@suse.de>
6895 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6897 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6899 * combine.c (gen_lowpart_or_truncate): Call
6900 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6902 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6904 * doc/invoke.texi: Move -fopenmp description to "Options for
6906 Remove reference to -lgomp.
6908 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6910 * doc/install.texi: Require GNU tar version 1.14.
6912 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6914 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6915 * doc/invoke.texi (C++ Dialect Options): Document
6916 -fno-use-cxa-get-exception-ptr.
6917 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6918 * configure: Regenerate.
6919 * c.opt (fuse-cxa-get-exception-ptr): New.
6920 * c-opts.c (c_common_handle_option): Handle
6921 OPT_fuse_cxa_get_exception_ptr.
6922 * c-common.c (flag_use_cxa_atexit): Update documentation.
6923 (flag_use_cxa_get_exception_ptr): New.
6924 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6925 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6927 (C_COMMON_OVERRIDE_OPTIONS): New.
6929 2006-02-24 Roger Sayle <roger@eyesopen.com>
6932 * combine.c (try_combine): Explicitly check whether GET_CODE is
6933 a SET or a CLOBBER, instead on checking that it isn't a USE.
6935 2006-02-24 Roger Sayle <roger@eyesopen.com>
6937 * fold-const.c (fold_comparison): New subroutine of fold_binary
6938 containing transformations common to both the equality and
6939 ordering relational operators, factored out of fold_binary.
6940 (fold_binary): Separate out the equality operators (EQ_EXPR
6941 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6942 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6943 transformations common to both.
6944 (fold_div_compare): Fix latent bugs in the previously unreachable
6945 LT_EXPR and GE_EXPR cases.
6947 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6949 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6950 decl libname for clog to __clog on AIX.
6952 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6954 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6957 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6958 output traceback table for thunks. Localise rs6000_stack_info call.
6960 2006-02-23 Roger Sayle <roger@eyesopen.com>
6961 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6963 * gthr-posix.h (__gthrw): Fix typo in comment.
6965 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6967 * doc/cpp.texi (Character sets): Document that we do support
6968 input files to be in any character set.
6970 2006-02-23 Jeff Law <law@redhat.com>
6972 * tree.h (PHI_ARG_NONZERO): Remove.
6973 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6974 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6975 node to the new node.
6977 PR tree-optimization/26425
6978 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6979 min/max, then assume its varying.
6981 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6983 PR rtl-optimization/26316
6984 * rtlanal.c (enum may_trap_p_flags): New.
6985 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6986 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6987 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6988 (may_trap_after_code_motion_p): New function.
6989 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6990 (find_invariant_insn): Use may_trap_after_code_motion_p.
6991 * rtl.h (may_trap_after_code_motion_p): Declare.
6993 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6995 * emit-rtl.c (immed_double_const): Cleanup.
6997 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6999 Fix PR tree-optimization/26376
7000 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7003 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7006 * gimplify.c (omp_add_variable): Guard variable size decl test with
7007 DECL_SIZE (decl) check.
7009 2006-02-23 Richard Guenther <rguenther@suse.de>
7012 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7013 like aggregate types.
7015 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7017 * configure.ac: Add --with{,out}-long-double-128 configure option.
7018 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7019 * configure: Rebuilt.
7020 * config.in: Rebuilt.
7021 * doc/install.texi (Options specification): Document
7022 --with-long-double-128.
7024 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7025 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7026 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7027 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7029 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7031 * config/s390/s390.c (override_options): Handle
7032 TARGET_DEFAULT_LONG_DOUBLE_128.
7034 * config/alpha/alpha.c (override_options): Handle
7035 TARGET_DEFAULT_LONG_DOUBLE_128.
7037 * config/sparc/sparc.c (sparc_override_options): Handle
7038 TARGET_DEFAULT_LONG_DOUBLE_128.
7040 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7042 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7043 (real-install-headers-tar, real-install-headers-cpio)
7044 (real-install-headers-cp): New targets.
7046 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7048 * tree.h (variable_section): Delete.
7049 * varasm.c (variable_section): Delete.
7051 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7053 * install.texi: Add notes on install.texi2html.
7054 (Building in parallel): Do not use footnotes.
7056 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7059 * doc/install.texi (Configuration): Document --disable-libgomp.
7061 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7063 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7065 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7067 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7068 (vec_extractv2df_0_sse): New.
7070 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7072 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7073 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7074 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7075 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7076 to the result of the expression.
7077 (def_cfa_1): Adjust.
7078 (frame_pointer_cfa_offset): Rename to...
7079 (frame_pointer_fb_offset): ... this. Adjust all uses.
7080 (convert_cfa_to_loc_list): Rename to...
7081 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7082 Pass it on to build_cfa_loc.
7083 (compute_frame_pointer_to_cfa_displacement): Rename to...
7084 (compute_frame_pointer_to_fb_displacement): ... this. New
7085 offset parameter. Use it in computation.
7086 (gen_subprogram_die): Compute cfa_fb_offset with the new
7087 macro, and use it to compute the fb loc list and the
7090 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7092 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7093 replaced with register_operand.
7094 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7095 non-DREG is expensive.
7096 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7097 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7100 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7102 * doc/install.texi2html: Use set -e.
7104 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7106 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7107 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7108 * doc/invoke.texi (-fshared-data): Delete.
7109 * common.opt (fshared-data): Delete.
7110 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7111 (assemble_static_space): Remove #if 0 code.
7112 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7113 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7114 * config/cris/cris.h: Remove FIXME.
7116 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7118 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7121 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7124 * combine.c (simplify_shift_const_1): Disable nested shifts
7125 optimization for vector shifts.
7127 2006-02-20 Roger Sayle <roger@eyesopen.com>
7129 PR tree-optimization/26361
7130 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7131 of unsigned integer types.
7133 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7135 * tree-chrec.c (eq_evolutions_p): New.
7136 * tree-chrec.h (eq_evolutions_p): Declared.
7137 * tree-data-ref.c: Fix formatting.
7138 (datadep_stats, dependence_stats): New.
7140 (print_direction_vector): New.
7141 (dump_data_dependence_relation): Use print_direction_vector.
7142 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7143 (compute_subscript_distance): Static.
7144 (initialize_data_dependence_relation): Static. Get the number
7145 of loops surrounding the references from the callers, and initialize
7146 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7147 base_object_differ_p analyzers.
7148 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7149 compute_overlap_steps_for_affine_1_2,
7150 analyze_subscript_affine_affine): Count the classified dependences.
7151 Print a message when a test failed.
7152 (can_use_analyze_subscript_affine_affine): New.
7153 (analyze_siv_subscript): Compute the data dependences on symbolic
7154 scevs that verify can_use_analyze_subscript_affine_affine.
7155 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7156 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7157 Handle symbolic scevs.
7158 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7160 (subscript_dependence_tester): Moved...
7161 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7162 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7163 DDR_SIZE_VECT instead of getting it in parameter.
7164 (subscript_dependence_tester): ... here. Take as a parameter
7165 loop_nest_depth. Call build_classic_dist_vector and
7166 build_classic_dir_vector.
7167 (compute_affine_dependence): Update subscript_dependence_tester
7168 parameters. Update datadep_stats counters. Call
7169 compute_subscript_distance.
7170 (compute_self_dependence): Save the dist and dir vectors. Call
7171 compute_subscript_distance.
7172 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7173 (compute_all_dependences): Reorder parameters as they were before
7174 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7175 compute_subscript_distance. Update the use of
7176 compute_affine_dependence and initialize_data_dependence_relation.
7177 (find_data_references_in_loop): Handle COMPONENT_REF.
7178 (compute_data_dependences_for_loop): Initialize dependence_stats.
7179 Don't call build_classic_dist_vector and build_classic_dir_vector.
7180 Update the parameters of initialize_data_dependence_relation and
7181 compute_all_dependences. Print the statistics from datadep_stats.
7182 (analyze_all_data_dependences): Static. Not used until the pass for
7183 checking the data dependences is contributed.
7184 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7185 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7186 (initialize_data_dependence_relation, compute_affine_dependence,
7187 analyze_all_data_dependences, compute_subscript_distance): Removed.
7188 (print_direction_vector): New.
7189 * lambda.h (gcd): ... here.
7190 (lambda_vector_gcd): Moved here from gcd_vector.
7191 * lambda-code.c (gcd, gcd_vector): Removed.
7192 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7193 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7195 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7197 * ipa-type-escape.c: Tidy some comments and white space.
7198 * tree-ssa-operands.c: Likewise.
7200 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7203 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7204 (dump_decl_name): Do not walk the decl tree chains.
7205 * tree-pass.h (TDF_CHAIN): Remove.
7207 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7209 * Makefile.in (C): Remove
7211 (.PHONY): Remove C and PROTO
7213 2006-02-20 Roger Sayle <roger@eyesopen.com>
7216 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7217 deprecated CHAR_TYPE tree code.
7219 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7221 * configure.ac (target_list): Add install-info, dvi, html.
7222 * configure: Regenerate.
7224 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7225 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7226 treelang/Make-lang.in: Do not use double-colon rules.
7228 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7230 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7231 (TMT_USED_ALONE): New macro.
7232 * tree-pass.h (PROP_tmt_usage): New property.
7233 (TODO_update_tmt_usage): New todo.
7234 * tree-ssa-alias.c (updating_used_alone): New variable.
7235 (recalculate_used_alone): New function.
7236 (compute_may_aliases): Set updating_used_alone, call
7237 recalculate_used_alone.
7238 * tree-sra.c (pass_sra): Note that this pass destroys
7239 PROP_tmt_usage, and add TODO_update_tmt_usage.
7240 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7241 * tree-flow.h (updating_used_alone): Prototype.
7242 (recalculate_used_alone): Ditto.
7243 * passes.c (execute_todo): Add code to set updating_used_alone,
7244 and call recalculate.
7245 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7246 for clobber if used alone, and add assert to verify used_alone
7249 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7251 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7252 for non tls symbols added.
7253 (legitimize_address): Do nothing for PLUS expressions if one of the
7254 addends is a tls symbol reference.
7256 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7260 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7262 * Makefile.in (BOOTSTRAPPING): New.
7263 (quickstrap): New definition if BOOTSTRAPPING=yes.
7265 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7266 * configure.ac: Substitute all_selected_languages with the languages
7267 that were configured. For all the other variables except
7268 lang_specs_files, include all the languages in the tree.
7269 * configure: Regenerate.
7271 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7272 if there is one. Run the commands to run fixincludes in the same
7275 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7276 * doc/install.texi: Document exact conventions for searching target tools.
7277 Document --with-build-time-tools. Document toplevel bootstrap. Document
7278 something more about building an Ada cross-compiler. Don't list GNU Make
7279 requirements which affect all platforms.
7281 2006-02-19 Roger Sayle <roger@eyesopen.com>
7284 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7285 only equivalent if the have both the same mode and precision.
7287 2006-02-20 Ben Elliston <bje@au.ibm.com>
7289 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7291 2006-02-19 Roger Sayle <roger@eyesopen.com>
7292 Steven Bosscher <stevenb.gcc@gmail.com>
7294 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7295 constant pool references to identify stack mode constants.
7296 * rtlanal.c (constant_pool_constant_p): New predicate to check
7297 whether operand is a floating point constant in the pool.
7298 * rtl.h (constant_pool_constant_p): Prototype here.
7299 * loop.c (scan_loop): Avoid hoisting constants from the constant
7300 pool on STACK_REGS targets.
7301 (load_mems): Likewise.
7302 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7303 loads into x87 registers expensive in terms of register pressure.
7305 2006-02-19 Roger Sayle <roger@eyesopen.com>
7307 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7308 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7310 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7312 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7313 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7315 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7317 * doc/invoke.texi: Document -fipa-pta.
7318 * common.opt: Add ipa-pta option.
7319 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7320 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7321 (do_ds_constraint): Ditto.
7322 (get_constraint_for): Only add to referenced_vars if
7323 referenced_vars exists.
7324 (insert_into_field_list): Rewrite to do this unsorted.
7325 (insert_into_field_list_sorted): Rename old insert_into_field_list
7327 (create_function_info_for): Use insert_into_field_list_sorted.
7328 (create_variable_info_for): Rewrite so it uses unsorted version,
7329 since the field list is sorted.
7330 (intra_create_variable_infos): Only add to referenced_vars if
7331 referenced_vars exists.
7332 (ipa_pta_execute): Init heapvars, and delete when done.
7333 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7335 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7337 * doc/install.texi: Add missing `@samp'.
7339 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7341 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7344 2006-02-18 Mark Wielaard <mark@klomp.org>
7346 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7347 who added new 4.1 features, bug fixes and integration support.
7349 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7352 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7355 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7357 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7358 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7359 (copy_insn_1): Likewise. Don't copy each field individually.
7361 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7363 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7364 * rtl.c (rtx_size): Rename variable to...
7365 (rtx_code_size): ...this.
7366 (rtx_size): New function.
7367 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7368 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7370 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7371 * rtl.h (rtx_code_size): New variable.
7372 (rtx_size): Change from a variable to a function.
7373 (RTX_SIZE): Rename to...
7374 (RTX_CODE_SIZE): ...this.
7377 PR tree-optimization/17106
7378 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7379 (Anchored Addresses): New section.
7380 * doc/invoke.texi (-fsection-anchors): Document.
7381 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7382 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7383 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7384 * hooks.c (hook_bool_mode_rtx_false): New function.
7385 * hooks.h (hook_bool_mode_rtx_false): Declare.
7386 * gengtype.c (create_optional_field): New function.
7387 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7388 SYMBOL_REF_IN_BLOCK_P is true.
7389 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7390 (min_anchor_offset, max_anchor_offset): Likewise.
7391 (use_anchors_for_symbol_p): New hook.
7392 * toplev.c (compile_file): Call output_object_blocks.
7393 (target_supports_section_anchors_p): New function.
7394 (process_options): Check that -fsection-anchors is only used on
7395 targets that support it and when -funit-at-a-time is in effect.
7396 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7397 if the decl doesn't have one.
7398 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7399 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7400 of force_const_mem through use_anchored_address.
7401 (expand_expr_constant): New function.
7402 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7403 calling expand_expr for INDIRECT_REF.
7404 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7405 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7406 * expr.h (use_anchored_address): Declare.
7407 * loop-unroll.c: Don't declare rtx vectors here.
7408 * explow.c: Include output.h.
7409 (validize_mem): Call use_anchored_address.
7410 (use_anchored_address): New function.
7411 * common.opt (-fsection-anchors): New switch.
7412 * varasm.c (object_block_htab, anchor_labelno): New variables.
7413 (hash_section, object_block_entry_eq, object_block_entry_hash)
7414 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7415 (use_blocks_for_decl_p, change_symbol_section): New functions.
7416 (get_variable_section): New function, split out from assemble_variable.
7417 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7418 use_blocks_for_decl_p say so. Use change_symbol_section if the
7419 symbol has already been created.
7420 (assemble_variable_contents): New function, split out from...
7421 (assemble_variable): ...here. Don't output any code for
7422 block symbols; just pass them to place_block_symbol.
7423 Use get_variable_section and assemble_variable_contents.
7424 (get_constant_alignment, get_constant_section, get_constant_size): New
7425 functions, split from output_constant_def_contents.
7426 (build_constant_desc): Create a block symbol if use_object_blocks_p
7427 says so. Or into SYMBOL_REF_FLAGS.
7428 (assemble_constant_contents): New function, split from...
7429 (output_constant_def_contents): ...here. Don't output any code
7430 for block symbols; just pass them to place_section_symbol.
7431 Use get_constant_section and get_constant_alignment.
7432 (force_const_mem): Create a block symbol if use_object_blocks_p and
7433 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7434 (output_constant_pool_1): Add an explicit alignment argument.
7435 Don't switch sections here.
7436 (output_constant_pool): Adjust call to output_constant_pool_1.
7437 Switch sections here instead. Don't output anything for block symbols;
7438 just pass them to place_block_symbol.
7439 (init_varasm_once): Initialize object_block_htab.
7440 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7441 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7442 (place_block_symbol, get_section_anchor, output_object_block)
7443 (output_object_block_htab, output_object_blocks): New functions.
7444 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7445 (TARGET_ASM_OUT): Include it.
7446 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7447 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7448 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7449 (TARGET_INITIALIZER): Include them.
7450 * rtl.c (rtl_check_failed_block_symbol): New function.
7451 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7452 (block_symbol, object_block): New structures.
7453 (rtx_def): Add a block_symbol field to the union.
7454 (BLOCK_SYMBOL_CHECK): New macro.
7455 (rtl_check_failed_block_symbol): Declare.
7456 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7457 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7458 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7459 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7460 * output.h (output_section_symbols): Declare.
7461 (object_block): Name structure.
7462 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7463 (default_use_anchors_for_symbol_p): Declare.
7464 * Makefile.in (RTL_BASE_H): Add vec.h.
7465 (explow.o): Depend on output.h.
7466 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7467 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7468 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7469 (rs6000_use_blocks_for_constant_p): New function.
7471 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7473 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7475 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7478 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7481 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7483 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7487 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7490 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7491 instead of DECL_REGISTER.
7493 2006-02-18 Olivier Hainque <hainque@adacore.com>
7496 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7498 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7501 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7502 * opth-gen.awk: Handle Var and InverseMask together.
7503 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7504 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7505 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7506 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7508 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7509 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7510 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7511 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7512 LINUX_DYNAMIC_LINKER): Define.
7513 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7514 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7516 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7517 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7518 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7520 (TARGET_C99_FUNCTIONS): Don't define.
7521 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7522 GLIBC_DYNAMIC_LINKER.
7523 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7524 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7525 GLIBC_DYNAMIC_LINKER64): Define.
7526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7527 LINUX_DYNAMIC_LINKER64.
7528 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7530 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7532 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7534 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7535 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7536 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7538 and LINUX_DYNAMIC_LINKER32.
7539 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7541 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7543 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7545 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7546 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7547 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7548 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7550 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7551 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7552 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7553 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7554 LINUX_DYNAMIC_LINKER): Define.
7555 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7556 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7557 GLIBC_DYNAMIC_LINKER64): Define.
7558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7559 LINUX_DYNAMIC_LINKER64.
7560 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7561 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7562 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7563 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7564 LINUX_DYNAMIC_LINKER): Define.
7565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7566 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7567 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7568 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7569 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7571 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7572 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7573 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7574 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7576 * doc/invoke.texi (-muclibc): Remove caveat about supported
7579 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7581 * doc/cpp.texi (__TIMESTAMP__): Document.
7583 2006-02-17 Roger Sayle <roger@eyesopen.com>
7586 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7587 C is one less than the width of X (and related transformations).
7588 * simplify-rtx.c (simplify_unary_operation_1): Transform
7589 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7590 depending on STORE_FLAG_VALUE, were C is one less then the
7593 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7595 Fix PR tree-optimization/26341
7596 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7597 about NAME_MEMORY_TAG's.
7599 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7602 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7603 with hardware float support, and software float support. Add fcpy
7604 alternative to hardware patterns. Add alternatives to copy between
7605 general and floating-point registers to the 32-bit pattern.
7606 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7607 secondary reload to load a QI or HI mode constant into a floating
7609 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7610 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7612 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7615 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7617 (load_macho_picbase_di): Likewise.
7619 2006-02-16 Jeff Law <law@redhat.com>
7621 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7622 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7623 (ssa_name_nonzero_p): Likewise.
7624 (get_value_range): Return NULL if VRP is not running.
7625 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7626 VRP routines do not discover a range.
7627 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7628 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7629 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7630 (tree_expr_nonnegative_p): Similarly.
7631 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7632 (restore_nonzero_vars_to_original_value): Remove.
7633 (unsafe_associative_fp_binop): Remove.
7634 (tree_ssa_dominator_optimize): Remove initialization and
7635 finalization of nonzero_vars and nonzero_vars_stack.
7636 (dom_opt_initialize_block): No longer push marker on
7638 (dom_opt_finalize_block): No longer call
7639 restore_nonzero_vars_to_original_value.
7640 (record_equivalences_from_phis): No longer look for
7641 nonzero PHI arguments.
7642 (cprop_into_successor_phis): No longer propagate nonzero
7643 property into PHI arguments. Lose unused argument. Caller
7645 (record_equivalences_from_stmt): No longer record nonzero
7646 values for SSA_NAMEs.
7647 (lookup_avail_expr): No longer use nonzero_vars.
7649 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7650 for sizetype when sizetype is unsigned.
7652 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7654 PR rtl-optimization/25603
7655 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7656 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7657 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7658 with new meaning of SETS.
7660 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7665 * config/linux.opt: New file.
7666 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7667 LINUX_DYNAMIC_LINKER): Define.
7668 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7669 * config.gcc (*-*-linux*): Define extra_options.
7670 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7671 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7672 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7673 GLIBC_DYNAMIC_LINKER.
7674 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7675 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7676 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7678 * doc/invoke.texi (GNU/Linux Options): New section.
7680 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7682 * config/sparc/sparc.md (setjmp): Rewrite.
7683 (setjmp_32): Delete.
7684 (setjmp_64): Likewise.
7686 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7688 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7691 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7693 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7696 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7698 PR rtl-optimization/26296
7699 * Makefile.in (loop-invariant.c): Add except.h dependency.
7700 * loop-invariant.c: Include except.h.
7701 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7703 2005-02-16 Paul Brook <paul@codesourcery.com>
7705 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7708 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7710 PR rtl-optimization/25636
7711 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7712 when deciding whether an insn is an initializing insn.
7714 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7716 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7717 (tree_code_size): Ditto.
7718 * tree.h (struct tree_memory_tag): Remove parent_var.
7719 (struct tree_struct_field_tag): New.
7722 (union tree_node): Add sft member.
7723 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7725 (create_sft): Add size and offset argument, set SFT_OFFSET and
7727 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7728 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7729 * tree-flow-inline.h (get_subvar_at): Update for
7730 SFT_OFFSET/SFT_SIZE.
7731 (var_can_have_subvars): Ditto.
7732 (overlap_subvar): Ditto.
7733 * print-tree.c (print_node): Print out interesting things for
7735 * tree-flow.h (struct subvar): Remove offset and size members.
7736 * tree-ssa-operands.c (get_expr_operands): Update for
7737 get_indirect_ref_operands changes.
7738 (get_indirect_ref_operands): Call add_virtual_operand instead of
7739 add_stmt_operand. Only recurse on base var if requested.
7740 (access_can_touch_variable): New function.
7741 (add_stmt_operand): Split virtual operand handling into ...
7742 (add_virtual_operand): Here. Add offset, size, and for_clobber
7743 arguments. Prune alias sets.
7744 (add_call_clobber_ops): Call add_virtual_operand.
7746 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7749 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7751 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7752 than TREE_CODE as index into omp_clause_num_ops array.
7754 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7756 PR rtl-optimization/26184
7757 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7759 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7760 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7761 must_precede, must_follow and tobe_scheduled.
7764 * opts.c (common_handle_option): Free new_option pointer.
7765 * df-core.c (df_analyze): Free postorder pointer.
7767 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7769 * Makefile.in: Fix the examples about the use of stamps
7771 2006-02-15 Michael Matz <matz@suse.de>
7775 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7776 influenced by maximum_field_alignment or DECL_PACKED.
7777 (update_alignment_for_field): Ditto.
7778 (place_field): Ditto.
7779 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7782 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7784 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7785 (debug_flow_info): Pass it.
7786 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7787 * bb-reorder.c (reorder_basic_blocks): Likewise.
7788 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7789 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7790 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7791 * gcse.c (gcse_main, bypass_jumps): Likewise.
7792 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7793 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7794 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7795 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7796 * rtl.h (dump_flow_info): Adjust prototype.
7797 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7798 * var-tracking.c (variable_tracking_main): Likewise.
7799 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7800 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7803 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7805 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7808 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7810 PR tree-optimization/26209
7811 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7812 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7814 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7816 2006-02-14 Roger Sayle <roger@eyesopen.com>
7819 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7820 (X,Y) and the corresponding symmetry related transformations.
7821 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7822 (X,Y) and its symmetry related transformations.
7824 2006-02-14 Roger Sayle <roger@eyesopen.com>
7826 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7829 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7831 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7833 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7836 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7837 support COMDAT group.
7838 * configure: Regenerate.
7840 2006-02-14 Roger Sayle <roger@eyesopen.com>
7845 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7847 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7849 Fix PR tree-optimization/26260
7851 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7853 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7854 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7855 * tree-ssa-structalias.c (create_variable_info_for): Use
7856 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7858 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7860 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7862 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7863 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7864 of the ending condition.
7865 * tree-ssa-loop-manip.c: Include params.h.
7866 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7867 tree_unroll_loop): New functions.
7868 * tree-pass.h (pass_loop_prefetch): Declare.
7869 * loop.c (rest_of_handle_loop_optimize): Test for
7870 -fprefetch-loop-arrays-rtl.
7871 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7872 * timevar.def (TV_TREE_PREFETCH): New timevar.
7873 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7874 pass_loop_prefetch): New.
7875 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7876 (cleanup_tree_cfg_loop): Call scev_reset.
7877 * common.opt (fprefetch-loop-arrays-rtl): Add.
7878 * tree-ssa-loop-prefetch.c: New file.
7879 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7880 (new_temp_expr_table): Initialize expr_vars.
7881 (free_temp_expr_table): Cleanup expr_vars.
7882 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7883 expressions from being merged into one.
7884 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7885 (struct tree_niter_desc): Add control, bound and cmp fields.
7886 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7888 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7889 (tree-cfgcleanup.o): Add SCEV_H dependency.
7890 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7891 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7893 2006-02-14 Richard Guenther <rguenther@suse.de>
7895 PR tree-optimization/26258
7896 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7897 in PHI argument processing.
7899 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7901 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7902 new expression in the requested machine mode.
7904 2006-02-13 Roger Sayle <roger@eyesopen.com>
7906 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7907 directly, instead let do_compare_rtx_and_jump handle this for us.
7908 * expr.c (expand_expr_real_1): Likewise.
7909 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7910 before do_jump_by_parts_greater.
7911 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7912 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7914 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7916 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7918 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7920 PR rtl-optimization/26235
7921 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7922 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7925 2006-02-13 Jeff Law <law@redhat.com>
7927 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7930 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7933 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7934 twice if decl is a builtin. When trying again, call get_callee_fndecl
7935 first to verify it is still a builtin.
7937 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7939 * dwarf2out.c (base_type_die): Don't add AT_name here.
7940 (subrange_type_die): Don't add AT_name here.
7941 (modified_type_die): Rearrange code flow. Do add AT_name here.
7943 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7945 PR rtl-optimization/26247
7946 PR rtl-optimization/26248
7947 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7949 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7951 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7952 * config/fixtfdi.c: Likewise.
7953 * config/fixunstfdi.c: Likewise.
7954 * config/floatditf.c: Likewise.
7956 2006-02-13 Roger Sayle <roger@eyesopen.com>
7959 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7960 into (X,C2) if C1 is a subset of the bits of C2. Transform
7961 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7963 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7965 2006-02-13 Josh Conner <jconner@apple.com>
7968 * varasm.c (function_section): Check for section name before
7969 calling select_section on targets that define
7970 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7971 unlikely_text_section instead of hot_function_section if
7972 first_function_block_is_cold.
7974 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7977 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7979 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7981 PR rtl-optimization/26222
7982 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7983 after tree->rtl expansion.
7984 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7985 before passing it to emit_move_insn.
7987 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7989 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7991 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7992 Clarify documentation.
7993 * c-common.h (warn_write_strings): Remove.
7994 * c-common.c (warn_write_strings): Likewise.
7995 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7998 2006-02-12 Roger Sayle <roger@eyesopen.com>
8001 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8002 (do_jump_parts_zero_rtx): New function renamed from
8003 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8004 (do_jump_parts_equality_rtx): New function split out from
8005 do_jump_parts_equality. Old implementation renamed as above.
8006 Call do_jump_parts_zero_rtx if either operand is zero.
8007 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8008 do all of the heavy lifting.
8009 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8010 calling either do_jump_by_parts_greater_rtx or
8011 do_jump_by_parts_equality_rtx.
8012 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8013 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8014 moved to do_compare_rtx_and_jump, call it directly.
8015 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8016 mode argument. Call do_compare_rtx_and_jump.
8017 (emit_case_nodes): Update calls to do_jump_if_equal.
8019 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8021 PR rtl-optimization/26225
8022 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8024 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8026 PR rtl-optimization/26232
8027 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8029 2006-02-11 Jason Merrill <jason@redhat.com>
8032 * tree-inline.c (declare_return_variable): Just don't use the
8033 modify target if it's a gimple complex reg and the return slot
8036 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8038 * doc/contrib.texi: Update my entry.
8040 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8042 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8044 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8046 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8049 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8051 * doc/invoke.texi (-floop-optimize2): Removed.
8052 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8053 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8054 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8055 * common.opt (floop-optimize2): Removed.
8056 (fmove-loop-invariants): Enabled by default.
8058 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8060 * tree-if-conv.c (combine_blocks): Free the result of
8061 get_loop_exit_edges.
8063 2006-02-10 Jeff Law <law@redhat.com>
8065 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8067 PR tree-optimization/26213
8068 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8069 loop trying to follow SSA_NAME_VALUE chains.
8071 2006-02-10 Richard Guenther <rguenther@suse.de>
8073 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8074 deal with structures that end in implicitly variable sized arrays.
8076 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8078 PR rtl-optimization/24762
8079 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8082 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8084 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8085 (struct ivopts_data): Add regs_used field.
8086 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8087 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8088 instead of loop_data->regs_used;
8089 (free_loop_data): Do not free aux fields for loops.
8090 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8091 and tree_ssa_iv_optimize_finalize.
8093 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8095 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8097 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8100 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8101 computing the effective result type.
8103 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8106 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8107 (tree_overlaps_hard_reg_set): Declare.
8108 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8109 type and signature to match function type expected by walk_tree.
8110 (tree_overlaps_hard_reg_set): New function.
8111 (decl_conflicts_with_clobbers_p): Rename to:
8112 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8113 Use tree_overlaps_hard_reg_set. Changed caller.
8114 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8115 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8116 * cris.c (cris_md_asm_clobbers): Likewise.
8118 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8120 * reload1.c (emit_input_reload_insns): Delete code that tries to
8121 inherit using find_equiv_reg.
8123 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8125 * c-common.h (flag_const_strings): Don't declare.
8126 * c-common.c (flag_const_strings): Remove.
8127 * c.opt (fconst_strings): Remove.
8128 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8129 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8130 (c_common_init_options): Don't set flag_const_strings.
8131 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8133 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8135 * arm.md (tlobits_cbranch): New pattern.
8136 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8137 testing a single bit.
8139 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8142 * tree-ssa-pre.c (create_component_ref_by_pieces):
8143 Handle RETURN_DECL like VAR_DECL.
8145 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8148 * fold-const.c (fold_indirect_ref_1): Fold
8149 "*(foo *)&complexfoo" to "__real__ complexfoo"
8150 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8154 * tree-flow-inline.h (var_can_have_subvars):
8155 Volatile variables should not have subvariables.
8157 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8160 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8161 multiplying unsigned values.
8164 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8166 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8168 2006-02-08 Jason Merrill <jason@redhat.com>
8171 * tree.def: Elaborate on difference from MODIFY_EXPR.
8172 * doc/c-tree.texi (INIT_EXPR): Likewise.
8173 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8174 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8175 (gimplify_target_expr): Likewise.
8176 (gimplify_cond_expr): Remove target handling.
8177 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8178 (gimplify_expr): Clobber it here.
8179 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8180 Do return slot optimization if we have an INIT_EXPR.
8183 * tree-inline.c (declare_return_variable): Also clear
8184 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8187 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8190 * gimplify.c (gimplify_one_sizepos): Fix typo.
8192 2006-02-08 Jeff Law <law@redhat.com>
8194 PR tree-optimization/21417
8195 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8196 across a backedge if the control statement at the end of the
8197 block is data dependent on other statements in the same block.
8198 (record_temporary_equivalences_from_stmts): Remove over-conservative
8199 test for threading across backedges.
8201 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8202 control statement, handle all three special cases in the same
8203 manner as they all have the same desired solution. No longer
8204 special case edge flag updating when the post dominator is
8207 2006-02-08 Roger Sayle <roger@eyesopen.com>
8209 * tree.def (CHAR_TYPE): Remove.
8210 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8211 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8212 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8213 (gen_string_type_die): Delete unreachable function.
8215 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8216 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8217 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8218 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8219 * builtins.c (type_to_class): Likewise.
8220 * fold-const.c (fold_convert, build_range_check,
8221 merge_ranges): Likewise.
8222 * expr.c (count_type_elements): Likewise.
8223 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8224 * stor-layout.c (layout_type): Likewise.
8225 * ipa-type-escape.c (type_to_consider): Likewise.
8226 * gimplify.c (omp_firstprivatize_type_sizes,
8227 gimplify_type_sizes): Likewise.
8228 * explow.c (promote_mode): Likewise.
8229 * tree-sra.c (is_sra_scalar_type): Likewise.
8230 * varasm.c (output_constant): Likewise.
8231 * tree-inline.c (remap_type_1): Likewise.
8232 * convert.c (convert_to_pointer, convert_to_real,
8233 convert_to_integer, convert_to_complex): Likewise.
8235 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8237 * df-scan.c (df_def_record_1): A set destination may
8238 be a parallel regardless of mode.
8240 2006-02-08 Roger Sayle <roger@eyesopen.com>
8243 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8244 * config/mips/_tilib.c: Remove.
8245 * config/fixtfdi.c: New libgcc source file.
8246 * config/fixunstfdi.c: New source file.
8247 * config/floatditf.c: New source file.
8248 * config/floatunditf.c: New souce file.
8249 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8250 files above instead of config/mips/_tilib.c.
8251 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8253 2006-02-08 Jeff Law <law@redhat.com>
8255 PR tree-optimization/26169
8256 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8259 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8261 * df.h (DF_REG_SIZE): Return the length of the initialized
8264 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8266 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8267 __muldf3): Return a correctly signed zero.
8269 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8271 * passes.c (register_one_dump_file): Accept the current properties
8272 instead of pass number. Adjust call to dump_register. Remove
8274 (register_dump_files): Now a wrapper around...
8275 (register_dump_files_1): ... this one. Do not modify the pass
8277 (next_pass_1): Cosmetic fix.
8278 (execute_todo): Keep second parameter only. Use curr_properties
8279 instead of fetching it from the pass structure. Check and set
8281 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8282 instead of fetching it from the pass structure. Fix calls to
8283 execute_todo. Update curr_properties and initialize .vcg RTL dump
8284 after running the pass. Reset last_verified.
8285 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8287 (FIRST_AUTO_NUMBERED_DUMP): New.
8288 (dump_register): Remove "num" parameter, assign it within the
8290 (get_dump_file_name): Modify template for dumps.
8291 * tree-dump.h (dump_register): Adjust prototype.
8292 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8293 (PROP_trees): Add PROP_gimple_lomp.
8294 (TODO_set_props): New.
8295 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8296 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8297 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8299 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8301 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8302 (sparc64-*-linux*): Likewise.
8303 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8304 * config/sparc/t-linux: New file.
8305 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8306 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8307 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8308 -m32 -mlong-double-128.
8310 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8311 * config/alpha/t-linux: New file.
8312 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8314 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8315 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8316 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8317 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8318 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8319 (CPP_ARCH32_SPEC): Remove.
8321 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8323 PR tree-optimization/26145
8324 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8327 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8330 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8331 >= 240000 when generating code for SOM runtime.
8332 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8333 to $$dyncall when generating code for SOM runtime..
8335 2006-02-07 Dirk Mueller <dmueller@suse.com>
8338 * doc/invoke.texi (-Wsequence-point): Update documentation
8339 that -Wsequence-point is implemented for C++ as well.
8341 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8343 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8344 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8345 (LIB_SPEC): Likewise.
8346 * doc/invoke.texi (SPARC options): Document -pthread.
8348 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8350 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8353 2006-02-07 Roger Sayle <roger@eyesopen.com>
8355 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8356 Correct comment describing BOOLEAN_TYPE.
8358 2006-02-07 Dirk Mueller <dmueller@suse.com>
8360 * c.opt: C++ frontend supports -Wdiv-by-zero.
8361 * c-opts.c (c_common_handle_option): Remove dead case.
8363 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8365 * configure.ac (TLS assembler check): Do not enable TLS by
8366 default on SPARC/Solaris before version 10.
8367 * configure: Regenerate.
8369 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8371 * doc/invoke.texi (xl-compat): Document conversion and support
8374 2006-02-07 Jeff Law <law@redhat.com>
8376 * tree-vrp.c (find_conditional_asserts): Update comments.
8377 (simplify_stmt_for_jump_threading): New.
8378 (identify_jump_threads, finalize_jump_threads): New.
8379 (vrp_finalize): Call identify_jump_threads.
8380 (execute_vrp): Call finalize_jump_threads.
8381 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8382 (vrp_element, vrp_data, vrp_element_p): Remove.
8383 (vrp_hash_elt, vrp_variables_stack): Remove.
8384 (vrp_hash, vrp_eq, record_range): Remove.
8385 (simplify_cond_and_lookup_avail_expr): Remove.
8386 (extract_range_from_cond): Remove.
8387 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8388 (simplify_stmt_for_jump_threading): New.
8389 (dom_thread_across_edge): New wrapper.
8390 (tree_ssa_dominator_optimize): No longer initialize or
8391 finalize any of the VRP datastructures. Remove iteration
8392 step and simplify as a result of removal of iteration step.
8393 (pass_dominator): Perform a cfg cleanup after DOM.
8394 (dom_opt_finalize_block): Use the new common routines
8395 for threading jumps. Simplify stack management slightly.
8396 No longer need to unwind VRP state.
8397 (record_equivalences_from_incoming_edge): No longer record
8399 (eliminate_redundant_computations): No longer call
8400 simplify_cond_and_lookup_avail_expr.
8401 * tree-flow.h (potentially_threadable_block): Prototype.
8402 (thread_across_edge): Likewise.
8403 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8404 (tree-ssa-threadedge.o): Add dependencies.
8405 * tree-ssa-threadedge.c: New file.
8406 * passes.c (init_optimization_passes): Merge PHIs before
8407 calling VRP. Run VRP again late in the SSA optimization pipeline.
8409 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8411 * df-core.c (df_set_blocks): Do not dereference function pointers.
8412 (df_finish1): Likewise.
8413 (df_hybrid_search_forward): Likewise.
8414 (df_hybrid_search_backward): Likewise.
8415 (df_iterative_dataflow): Likewise.
8416 (df_analyze_problem): Likewise.
8417 (df_compact_blocks): Likewise.
8418 (df_dump): Likewise.
8419 * df-scan.c (df_rescan_blocks): Likewise.
8420 (df_record_entry_block_defs): Likewise.
8422 * genconditions.c (write_conditions): Guard the definition of
8423 'insn_conditions' with the check on GCC version.
8424 (write_writer): Guard the traversal 'insn_conditions' with
8425 the check on GCC version.
8427 2006-02-07 Richard Guenther <rguenther@suse.de>
8431 2006-01-30 Richard Guenther <rguenther@suse.de>
8433 * gimplify.c (gimplify_target_expr): Handle easy cases
8434 without creating a temporary.
8436 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8438 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8439 use of float in probability computations. Use edge probabilities
8440 in place of statically computed probabilities.
8441 (min_spec_prob): New static variable.
8442 (schedule_insns): Initialize it.
8443 (GET_SRC_PROB): Removed.
8444 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8446 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8449 * config/ia64/unwind-ia64.c: Revert last change.
8450 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8451 (INCOMING_FRAME_SP_OFFSET): Define.
8453 2006-02-06 Roger Sayle <roger@eyesopen.com>
8455 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8457 2006-02-07 Ben Elliston <bje@au.ibm.com>
8459 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8460 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8461 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8462 (ix86_return_in_memory): Handle TDmode.
8463 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8464 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8466 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8468 * reorg.c (dbr_schedule): Use dump_file instead of file.
8470 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8473 * config/ia64/predicates.md (extr_len_operand): New predicate.
8474 * config/ia64/ia64.md (extv): Tighten constraints.
8476 (*tbit_and_2): Ditto.
8477 (*tbit_and_3): Ditto.
8478 (*tbit_or_2): Ditto.
8479 (*tbit_or_3): Ditto.
8483 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8486 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8488 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8490 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8491 loop_optimizer_init and loop_optimizer_finalize
8492 * tree-ssa-sink.c (execute_sink_code): Ditto.
8493 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8494 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8495 tree_ssa_loop_done): Ditto.
8496 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8497 * sched-ebb.c: Include output.h.
8498 (schedule_ebbs): Do not use dump argument.
8499 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8500 * loop.c (loop_dump_stream): Removed.
8501 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8503 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8504 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8505 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8506 loop_iterations, strength_reduce, record_biv, record_giv,
8507 final_giv_value, check_final_value, check_ext_dependent_givs,
8508 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8509 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8510 dump_file instead of loop_dump_stream.
8511 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8513 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8515 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8516 * haifa-sched.c: Include output.h
8517 (schedule_insns, sched_init): Do not use dump argument.
8518 * mode-switching.c (optimize_mode_switching): Ditto.
8519 * modulo-sched.c (stats_file): Removed.
8520 (print_node_sched_params): Do not call argument dump_file.
8521 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8522 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8524 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8526 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8527 rtl_loop_init, rtl_loop_done): Ditto.
8528 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8529 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8531 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8532 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8533 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8534 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8535 * emit-rtl.c (renumber_insns): Ditto.
8536 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8537 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8538 * regclass.c (regclass): Ditto.
8539 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8540 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8541 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8542 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8544 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8545 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8547 * gcse.c (gcse_file, debug_stderr): Removed.
8548 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8549 rest_of_handle_gcse): Do not use dump argument.
8550 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8551 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8552 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8553 compute_code_hoist_vbeinout, compute_code_hoist_data,
8554 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8555 compute_store_table, build_store_vectors, insert_insn_start_bb,
8556 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8557 store_motion): Use dump_file instead of gcse_file.
8558 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8559 * profile.c (profile_dump_file): Removed.
8560 (branch_prob): Use dump_file instead of profile_dump_file.
8561 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8563 * tree-ssa-copy.c (dump_copy_of): Ditto.
8564 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8565 dump file to life_analysis.
8566 * bt-load.c (branch_target_load_optimize): Ditto.
8567 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8569 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8570 regclass, dbr_schedule): Declaration changed.
8571 * sched-int.h (sched_init): Declaration changed.
8572 * tree-profile.c (tree_profile_dump_file): Removed.
8573 (tree_profile_hooks): Removed profile_dump_file hook.
8574 * rtl-profile (rtl_profile_dump_file): Removed.
8575 (rtl_profile_hooks): emoved profile_dump_file hook.
8576 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8578 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8579 * tree-cfg.c (build_tree_cfg): Ditto.
8580 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8581 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8582 Declaration changed.
8583 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8584 life_analysis and schedule_insns.
8585 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8587 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8589 * config/mips/mips.c (mips_reorg): Ditto.
8590 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8593 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8595 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8596 (s390_mangle_fundamental_type): New.
8597 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8600 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8601 (alpha_mangle_fundamental_type): New.
8602 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8605 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8607 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8609 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8610 (sparc_mangle_fundamental_type): New.
8612 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8614 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8615 (s390x-*-linux*): Likewise.
8616 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8617 * config/s390/t-linux: New file.
8619 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8621 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8622 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8624 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8626 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8627 (ANTIC_SAFE_LOADS): New macro.
8628 (find_or_generate_expression): Add prototype.
8629 (set_contains_value): Allow null set for sake of not always having
8630 to allocate ANTIC_SAFE_LOADS.
8631 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8632 Allow COMPONENT_REF too.
8633 (valid_in_set): Allow COMPONENT_REF.
8634 Check ANTIC_SAFE_LOADS too.
8635 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8636 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8638 (can_PRE_operation): Add COMPONENT_REF.
8639 (create_component_ref_by_pieces): New function.
8640 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8641 (insert_aux): Move AGGREGATE_TYPE_P check here.
8642 (compute_avail): Set bb local stmt uids.
8643 (pass_pre): Use TODO_update_ssa_only_virtuals.
8645 2006-02-06 Ben Elliston <bje@au.ibm.com>
8647 * configure.ac: Unconditionally disable decimal float by default.
8648 * configure: Regenerate.
8650 2006-02-06 Ben Elliston <bje@au.ibm.com>
8652 * read-rtl.c (read_name): Terminate reading on EOF.
8654 2006-02-06 Ben Elliston <bje@au.ibm.com>
8656 * dfp.c (decimal_real_arithmetic): Change second argument type
8657 from int to enum tree_code. Do not always return true, but now
8658 return result of any call to decimal_do helper functions.
8659 * dfp.h (decimal_real_arithmetic): Update prototype.
8661 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8663 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8665 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8668 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8671 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8673 * tree-vrp.c (cfg_loops): Removed.
8674 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8675 Use current_loops instead of cfg_loops. Pass flags to
8676 loop_optimizer_init.
8677 * cfgloopmanip.c (fix_loop_structure): Update only available
8679 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8680 loop_optimizer_init.
8681 * modulo-sched.c (build_loops_structure): Removed.
8682 (sms_schedule): Use loop_optimizer_init.
8683 * loop-init.c (loop_optimizer_init): Use flags to determine
8684 which properties of loops to prepare.
8685 (rtl_loop_init): Pass flags to loop_optimizer_init.
8686 * tree-ssa-sink.c (execute_sink_code): Ditto.
8687 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8688 * tree-ssa-pre.c (init_pre): Ditto.
8689 * cfgloop.h (LOOPS_NORMAL): New.
8690 (loop_optimizer_init): Declaration changed.
8692 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8694 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8695 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8697 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8699 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8701 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8702 * pa/t-pa64: Delete quadlib.c rule.
8703 * pa/x-ada: Revert last change.
8704 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8706 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8708 PR rtl-optimization/26087
8709 * rtlanal.c (canonicalize_condition): Do not cross basic block
8712 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8715 * config/ia64/ia64.c: Include debug.h.
8716 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8717 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8718 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8719 (process_epilogue, process_set, process_for_unwind_directive):
8720 Output unwind info only if requested. Add CFA info if requested.
8721 Add new arguments as needed. Adjust callers.
8722 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8724 (DWARF2_FRAME_INFO): Define to zero.
8725 * config/ia64/unwind-ia64.c: Remove code that compensated for
8726 the CFA offset error fixed above.
8727 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8728 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8729 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8730 -funwind-tables and -fexceptions to enable frame info.
8731 (dwarf2out_frame_init): Define initial CFA even if
8732 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8733 DWARF2_UNWIND_INFO is nonzero, not just defined.
8734 (dwarf2out_frame_finish): Output non-EH call frame info only
8735 if DWARF2_FRAME_INFO is nonzero.
8736 (convert_cfa_to_loc_list,
8737 compute_frame_pointer_to_cfa_displacement): Define even if
8738 unwind info is not supported.
8739 (gen_subprogram_die): Use the above unconditionally. Remove
8740 legacy alternate code.
8741 * toplev.c (compile_file): Compile in call to
8742 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8743 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8745 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8746 Jakub Jelinek <jakub@redhat.com>
8748 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8749 IBM extended float format long double as "g" on powerpc*-linux.
8751 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8754 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8755 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8757 2006-02-03 Jason Merrill <jason@redhat.com>
8760 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8763 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8764 on the return slot if it's an NRV.
8766 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8768 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8769 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8770 rewrite_use): Do not handle USE_OUTER.
8771 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8772 add_iv_outer_candidates, may_replace_final_value,
8773 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8774 (find_interesting_uses_op): Functionality of
8775 find_interesting_uses_outer_or_nonlin moved here.
8776 (find_interesting_uses_outside): Use find_interesting_uses_op.
8778 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8781 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8783 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8784 Ulrich Weigand <uweigand@de.ibm.com>
8787 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8788 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8789 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8790 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8792 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8793 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8794 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8795 Define secondary reloads for TFmode moves.
8796 (constant_modes): Add TFmode.
8797 (NR_C_MODES): Set to 8.
8798 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8800 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8801 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8802 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8803 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8804 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8805 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8806 (FPR mode macro): Add TFmode.
8807 (DSF mode macro): New.
8808 (<de>, <dee> mode attributes): Removed.
8809 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8810 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8811 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8812 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8813 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8814 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8815 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8816 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8817 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8818 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8819 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8820 "*negabs<mode>2", "sqrt<mode>2"):
8821 Changed <de> to <xde>. R constraint replaced by <Rf>.
8822 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8824 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8825 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8826 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8828 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8829 "extenddftf2", "extendsftf2"): New expanders.
8830 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8831 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8832 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8833 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8835 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8836 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8837 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8838 __floatditf): Add a GCC_4.1.0 symbol version tag.
8839 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8842 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8845 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8846 Use targetm.binds_local_p instead of TREE_PUBLIC.
8848 2006-02-02 Roger Sayle <roger@eyesopen.com>
8850 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8851 on INTEGER_TYPEs to indicate that it denotes a character type.
8852 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8853 signed_char_type_node, unsigned_char_type_node and char_type_node.
8854 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8855 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8856 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8858 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8859 Daniel Berlin <dberlin@dberlin.org>
8861 * tree-tailcall.c (arg_needs_copy_p): New function.
8862 (eliminate_tail_call): Use arg_needs_copy_p.
8863 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8864 (add_virtual_phis): New function.
8866 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8868 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8869 #ignore instead of #scratch for %g7 .register directive.
8871 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8873 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8876 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8878 * flow.c (calculate_global_regs_live): Assert that there aren't any
8881 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8883 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8885 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8886 bsi_after_labels iterator.
8887 * tree-if-conv.c (find_phi_replacement_condition,
8888 replace_phi_with_cond_modify_expr): Likewise.
8889 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8890 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8892 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8894 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8896 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8899 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8900 array after growing it.
8902 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8905 * fold-const.c (fold_checksum_tree): Change type of buf.
8907 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8909 * reload.c (push_secondary_reload): Initialize t_icode.
8911 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8913 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8914 -msoft-float -mlong-double-128 only issue a warning, but don't
8915 swich to DFmode long double.
8917 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8919 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8920 has a constant equivalent, iterate over equivalents for arg0,
8921 calling simplify_relational_operation and if there's a result
8922 cheaper than X, apply fold_rtx and return the result.
8924 2006-02-01 Jan Hubicka <jh@suse.cz>
8926 * opts.c (no_unit_at_a_time_default): New global variable.
8927 (decode_options): Use it.
8928 * opts.h (no_unit_at_a_time_default): Declare.
8930 2006-02-01 Paul Brook <paul@codesourcery.com>
8932 * function.c (assign_parm_setup_reg): Use function argument promotion
8934 * expr.c (expand_expr_real_1): Use function argument promotion rules
8937 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8939 * gcc.c (process_command): Change j to 'unsigned int'.
8941 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8944 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8945 Use the corrected index for the character
8946 out of the string constant.
8948 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8950 * mode-switching.c (optimize_mode_switching): Fix size
8951 allocated for bb_info[n_entities].
8953 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8955 * gcc.c (main): Correct type that is allocated for
8956 explicit_link_files.
8958 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8960 * config/s390/s390.c (init_alignment_context): Set
8961 ALIAS_SET_MEMORY_BARRIER on the MEM.
8962 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8964 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8967 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8969 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8972 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8974 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8975 * regrename.c: Ditto.
8976 * tree-ssa-loop-im.c: Ditto.
8977 * tree-dump.c: Ditto.
8978 * tree-complex.c: Ditto.
8979 * genrecog.c: Ditto.
8980 * tree-ssa-threadupdate.c: Ditto.
8982 * java/class.c: Ditto.
8983 * java/jcf-parse.c: Ditto.
8984 * java/resource.c: Ditto.
8985 * java/except.c: Ditto.
8986 * java/jvspec.c: Ditto.
8987 * java/jcf-write.c: Ditto.
8988 * java/jcf-path.c: Ditto.
8989 * java/gjavah.c: Ditto.
8990 * java/zextract.c: Ditto.
8991 * java/jcf-io.c: Ditto.
8992 * java/jcf.h: Ditto.
8993 * java/buffer.c: Ditto.
8994 * java/lang.c: Ditto.
8995 * java/parse-scan.y: Ditto.
8996 * java/lex.c: Ditto.
8997 * java/lex.h: Ditto.
8998 * cfgloopmanip.c: Ditto.
8999 * postreload-gcse.c: Ditto.
9000 * tree-ssa-loop-manip.c: Ditto.
9001 * postreload.c: Ditto.
9002 * tree-ssa-loop-ch.c: Ditto.
9006 * diagnostic.c: Ditto.
9008 * genoutput.c: Ditto.
9010 * cfghooks.c: Ditto.
9011 * cfgloopanal.c: Ditto.
9012 * objc/objc-act.c: Ditto.
9014 * genextract.c: Ditto.
9015 * genautomata.c: Ditto.
9016 * pretty-print.c: Ditto.
9018 * cgraphunit.c: Ditto.
9021 * haifa-sched.c: Ditto.
9022 * dominance.c: Ditto.
9024 * tree-ssa-loop-ivopts.c: Ditto.
9026 * mode-switching.c: Ditto.
9027 * modulo-sched.c: Ditto.
9029 * ipa-pure-const.c: Ditto.
9031 * fix-header.c: Ditto.
9033 * tree-stdarg.c: Ditto.
9034 * ipa-utils.c: Ditto.
9035 * loop-init.c: Ditto.
9036 * ipa-inline.c: Ditto.
9039 * alloc-pool.c: Ditto.
9040 * dwarf2out.c: Ditto.
9042 * genattrtab.c: Ditto.
9043 * tree-ssa-loop-ivcanon.c: Ditto.
9047 * fortran/gfortranspec.c: Ditto.
9049 * local-alloc.c: Ditto.
9050 * langhooks.c: Ditto.
9051 * function.c: Ditto.
9052 * tree-vectorizer.c: Ditto.
9054 * ipa-type-escape.c: Ditto.
9056 * tree-if-conv.c: Ditto.
9059 * tree-data-ref.c: Ditto.
9060 * loop-unroll.c: Ditto.
9061 * treelang/treetree.c: Ditto.
9064 * ggc-common.c: Ditto.
9066 * coverage.c: Ditto.
9068 * tree-cfgcleanup.c: Ditto.
9069 * tree-ssa-pre.c: Ditto.
9070 * cfgcleanup.c: Ditto.
9071 * loop-invariant.c: Ditto.
9073 * ipa-prop.c: Ditto.
9074 * print-tree.c: Ditto.
9075 * conflict.c: Ditto.
9076 * ggc-page.c: Ditto.
9077 * sched-deps.c: Ditto.
9078 * regclass.c: Ditto.
9079 * tree-object-size.c: Ditto.
9081 * bb-reorder.c: Ditto.
9082 * resource.c: Ditto.
9083 * var-tracking.c: Ditto.
9085 * df-problems.c: Ditto.
9086 * reg-stack.c: Ditto.
9089 * sched-rgn.c: Ditto.
9090 * tree-ssa-structalias.c: Ditto.
9091 * tree-ssa-reassoc.c: Ditto.
9092 * config/darwin-c.c: Ditto.
9093 * config/darwin.c: Ditto.
9094 * config/arm/arm.c: Ditto.
9096 * collect2.c: Ditto.
9099 2006-01-31 Nicolas Pitre <nico@cam.org>
9101 * arm.md (smaxsi3): Make aware of smax_m1.
9104 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9106 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9108 2006-01-31 Richard Guenther <rguenther@suse.de>
9110 * doc/invoke.texi (-msselibm): Document.
9111 * target.h (expand_library_builtin): New target hook.
9112 * builtins.c (expand_builtin): Use expand_library_builtin.
9113 (default_expand_library_builtin): New function.
9114 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9115 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9116 (link_gcc_math_spec): Declare.
9117 (static_specs): Add link_gcc_math_spec.
9118 * expr.h (default_expand_library_builtin): Declare.
9119 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9120 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9121 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9122 * config/i386/i386.opt (msselibm): New target option.
9123 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9124 (ix86_init_sse_abi_builtins): New function.
9125 (ix86_expand_library_builtin): Likewise.
9126 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9127 (override_options): Handle error conditions wrt -msselibm.
9128 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9129 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9130 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9133 2006-01-31 Richard Guenther <rguenther@suse.de>
9134 Paolo Bonzini <bonzini@gnu.org>
9136 * doc/install.texi (--disable-libgcc-math): Document.
9138 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9140 * expr.h (expand_normal): new inline function.
9141 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9143 * dwarf2out.c: use it.
9148 * config/sparc/sparc.c: use it.
9149 * config/i386/i386.c: use it.
9150 * config/rs6000/rs6000.c: use it.
9151 * config/arm/arm.c: use it.
9152 * config/mips/mips.c: use it.
9153 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9155 2006-01-30 Roger Sayle <roger@eyesopen.com>
9157 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9158 argv to the appropriate type.
9160 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9162 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9165 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9168 * config/s390/s390.c (struct machine_function): New flag
9169 decomposed_literal_pool_addresses_ok_p.
9170 (s390_reorg): Set it before final stage of literal pool transforms.
9171 (s390_decompose_address): Only accept displacements of the form
9172 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9174 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9176 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9177 the comparison routine return.
9179 2006-01-30 Michael Matz <matz@suse.de>
9181 * global.c (find_reg): Only evict for global regs.
9182 Take n_refs into account and dump more info.
9184 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9187 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9188 (pragma_trap, pragma_nosave_low_regs): Likewise.
9189 (current_function_anonymous_args): Likewise.
9190 (sh_deferred_function_attributes): New variable.
9191 (sh_deferred_function_attributes_tail): Likewise.
9192 (print_operand): For '@', look up trap_exit attribute.
9193 (calc_live_regs): Look up trapa_handler attribute. For trapa
9194 handlers, save/restore fpscr, but don't do any other
9195 interrupt-specific saves.
9196 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9197 Fix check for partially saved registers to check for SHmedia.
9198 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9199 (sh_output_function_epilogue): Don't clear any of the removed
9201 (sh_insert_attributes): Don't check pragma_interrupt.
9202 Insert deferred attributes. Check that interrupt attribute is
9203 present for other attributes that require its presence.
9204 (sh_attribute_table): Add new attributes trapa_handler and
9206 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9207 Don't check for pragma_interrupt. Don't store argument.
9208 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9209 (sh_deferred_function_attributes): Declare.
9210 (sh_deferred_function_attributes_tail): Likewise.
9211 * sh.md (sp_switch_1): Add operand. Change generator caller.
9212 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9213 (*return_i): Don't use when trap_exit attribute is in effect.
9214 (*return_trapa): New insn pattern.
9216 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9217 setting c_target_objs and cxx_target_objs.
9218 * t-sh: Add rule for sh-c.o.
9220 2006-01-30 Richard Guenther <rguenther@suse.de>
9223 * gimplify.c (gimplify_target_expr): Handle easy cases
9224 without creating a temporary.
9226 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9228 * vec.h (safe_grow): Remove duplicated line.
9230 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9233 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9234 (expand_omp): ... here.
9235 (expand_omp_parallel): Only remove barriers for combined
9236 parallel+workshare constructs.
9238 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9242 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9243 * tree.c (build_qualified_type): Chain the new type to the original
9244 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9245 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9246 (build_pointer_type_for_mode): Only return unqualified types.
9247 (build_reference_type_for_mode): Likewise.
9249 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9251 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9252 * Makefile.in (CXX_COMPAT_WARN): Define.
9253 * configure: Regenerate.
9255 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9258 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9261 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9263 * toplev.c: Fix thinko.
9265 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9266 Marcin Dalecki <martin@dalecki.de>
9268 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9269 (push_srcloc): Use XNEW.
9270 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9272 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9274 * df-core.c (df_set_blocks): Deleted all variable.
9276 2006-01-28 Ian Lance Taylor <ian@airs.com>
9278 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9279 cgraph_output_pending_asms.
9281 2006-01-28 Zack Weinberg <zackw@panix.com>
9283 * c.opt: Add -W(no-)overlength-strings.
9284 * doc/invoke.texi: Document it.
9285 * c-opts.c (c_common_handle_option): -pedantic implies
9286 -Woverlength-strings, if not explicitly disabled already.
9287 (c_common_post_options): -Woverlength-strings defaults to off, and
9288 is always off for C++.
9289 * c-common.c (fix_string_type): Issue warning about strings longer
9290 than is portable only if warn_overlength_strings. Rearrange code
9291 a little for clarity.
9292 * configure.in: Check for -Wno-overlength-strings as well before
9293 enabling -pedantic in stage 1.
9294 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9295 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9297 * genconditions.c (write_header, write_one_condition)
9298 (write_conditions, write_writer): Consolidate very long strings
9299 that were broken up to fit in C89 portable limit. Don't use
9300 printf when fputs will do.
9302 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9304 * combine.c (simplify_comparison <AND>): Check
9305 TRULY_NOOP_TRUNCATION before start using a subreg.
9307 * config/mips/mips.md (*branch_zero<mode>,
9308 *branch_zero<mode>_inverted, *branch_equality<mode>,
9309 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9310 Remove mode check from comparisons.
9312 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9314 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9316 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9318 * expmed.c (const_mult_add_overflow_p): Remove.
9319 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9321 * recog.c (validate_replace_rtx_subexp): Remove.
9322 * recog.h: Remove the prototype for
9323 validate_replace_rtx_subexp.
9325 * integrate.h: Remove the prototype for
9326 copy_decl_for_inlining.
9327 * rtl.h: Remove the prototype for mark_constant_function.
9328 * tree-vectorizer.h: Remove the prototype for
9329 vect_strip_conversion.
9331 * modulo-sched.c (create_partial_schedule,
9332 free_partial_schedule, reset_partial_schedule): Make them
9335 * hooks.c (hook_bool_rtx_int_false): Remove.
9336 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9338 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9340 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9341 and -mlong-double-128 are incompatible.
9342 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9343 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9344 (TARGET_LIBGCC2_CFLAGS): Define.
9345 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9346 (TARGET_LIBGCC2_CFLAGS): Same.
9347 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9349 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9352 * c-typeck.c (build_binary_op): Perform implicit casts of
9353 operands before shortening them.
9355 * cfgloopmanip.c (split_loop_bb): Remove.
9356 * cfgloop.h: Remove the prototype for split_loop_bb.
9358 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9359 * cfgloop.h: Remove the prototype for
9360 flow_loop_outside_edge_p.
9362 * emit-rtl.c (init_virtual_regs): Make it static.
9363 * function.h: Remove the prototype for init_virtual_regs.
9365 * recog.c (peephole2_optimize): Make it static.
9366 * recog.h: Remove the prototype for peephole2_optimize.
9368 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9370 * df-scan.c (df_record_entry_block_defs): Check if
9371 INCOMING_RETURN_ADDR_RTX is defined.
9373 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9374 Kenneth Zadeck <zadeck@naturalbridge.com>
9376 PR rtl-optimization/24762
9377 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9378 * targhooks.c (hook_void_bitmap): New hook prototype.
9379 * targhoohs.h (hook_void_bitmap): Ditto.
9380 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9381 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9382 * target.h (live_on_entry): New function pointer.
9383 * df-scan.c (df_all_hard_regs): Removed.
9384 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9385 (df_scan_free_internal): Added df->entry_block_defs.
9386 (df_scan_alloc): Ditto.
9387 (df_scan_dump): Ditto.
9388 (df_uses_record): Plumbed flag field properly thru calls.
9389 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9390 This part fixes PR24762.
9391 (df_bb_refs_record): Added code to make the frame and arg
9392 pointers live in EH blocks.
9393 (df_refs_record): Added call to df_record_entry_block_defs.
9394 (df_record_entry_block_defs): New function.
9395 * df-core.c: Added comments to describe new artifical defs.
9396 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9397 (entry_block_defs): New field in struct df.
9398 (df_all_hard_regs): Deleted.
9399 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9400 * df-problems.c (df_ru_bb_local_compute_process_def):
9401 Added code to handle artifical defs in the entry to a function.
9402 (df_ru_bb_local_compute): Ditto.
9403 (df_rd_bb_local_compute_process_def): Ditto.
9404 (df_rd_bb_local_compute): Ditto.
9405 (df_lr_bb_local_compute): Ditto.
9406 (df_ur_bb_local_compute): Ditto.
9407 (df_urec_bb_local_compute): Ditto.
9408 (df_chain_create_bb): Ditto.
9409 (df_ur_local_finalize): Removed entry.
9410 (df_urec_init): Ditto.
9411 (df_urec_local_finalize): Ditto.
9412 (df_ri_bb_compute): Added detection of last use of pseudos.
9413 * Makefile.in (df-scan.o): Updated dependencies.
9414 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9415 * config/mips/mips.c (mips_set_live_on_entry): Added.
9416 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9418 * dce.c (marked_insn_p): Added code to handle artifical defs.
9420 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9422 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9424 (_mm_cvtsi128_si64): Likewise.
9425 (_mm_cvtsd_si64): Likewise.
9426 (_mm_cvttsd_si64): Likewise.
9427 (_mm_cvtsi64_sd): Likewise.
9428 (_mm_cvtsi64_si128): Likewise.
9429 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9430 (_mm_cvtsi64_m64): Likewise.
9431 (_m_to_int64): Likewise.
9432 (_mm_cvtm64_si64): Likewise.
9433 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9434 (_mm_cvttss_si64): Likewise.
9435 (_mm_cvtsi64_ss): Likewise.
9436 (_mm_cvtss_f32): Likewise.
9438 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9440 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9441 for pragma redefine_extname.
9443 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9446 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9447 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9448 -mno-minimal-toc to previous content.
9449 (bispecs): Remove goal.
9450 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9451 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9452 compatibility aliases on powerpc-*-*gnu*.
9453 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9454 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9455 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9456 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9457 (ldblspecs): New goal.
9458 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9459 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9461 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9462 L_sf_to_tf or L_df_to_tf is defined.
9464 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9465 Alan Modra <amodra@bigpond.net.au>
9468 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9469 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9470 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9471 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9472 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9473 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9474 (rs6000_override_options): Initialize rs6000_ieeequad.
9475 Initialize TFmode format to ibm_extended_format if not
9477 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9479 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9480 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9481 (function_arg_advance): IBM long double passed in two FPRs, not
9483 (function_arg): IBM long double passed in FPRs.
9484 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9485 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9486 Only multireg GPR aligned.
9487 (rs6000_init_libfuncs): Enable IBM long double functions if not
9489 (rs6000_generate_compare): Use IBM long double compare if not
9491 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9492 (TARGET_IEEEQUAD): Define.
9493 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9494 not TARGET_IEEEQUAD.
9495 * config/rs6000/rs6000.md: Enable TFmode patterns if
9497 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9498 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9499 and -mlong-double-128 are incompatible.
9500 * doc/invoke.texi (-mabi): Collect options together. Add
9501 ibmlongdouble and ieeelongdouble.
9503 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9505 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9507 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9508 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9509 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9510 * rtl.h (rtunion_def): Remove rt_ptr.
9512 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9513 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9514 * config/i386/winnt.c (i386_pe_mark_dllexport)
9515 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9517 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9519 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9525 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9526 pthread_key_delete. From John David Anglin. gthrw-ify
9527 pthread_getunique_np only if it it's not a macro. Delete
9529 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9530 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9531 __gthread_objc_condition_signal, __gthread_key_delete): Add
9532 "__attribute__ ((__unused__))" to unused arguments.
9533 (__gthread_recursive_mutex_init_function): Add missing return.
9534 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9535 gthr-posix95.h: Use macro-based approach for name redirection
9536 on targets missing weakref.
9538 2006-01-26 Zack Weinberg <zackw@panix.com>
9540 * genconditions.c (write_header): In generated code, #ifdef out
9541 all includes and fake declarations, except includes of bconfig.h
9542 and system.h, unless GCC_VERSION >= 3001. Do not include
9543 gensupport.h in any case.
9544 (write_conditions): Generate a definition of struct c_test. Add
9545 a comment to the generated #endif.
9546 (write_one_condition): Escape backslashes in string too.
9547 (write_writer): Generated code must escape backslashes and quote
9548 marks (but not newlines) in the strings it writes.
9549 * Makefile.in (build/gencondmd.o): Update dependencies.
9551 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9554 * Makefile.in (insn-automata.o): Add header file dependencies.
9555 * genautomata.c: Add includes.
9557 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9560 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9562 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9564 * configure.ac: Expect target tools paths to be passed from the toplevel
9565 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9567 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9569 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9572 * c.opt (Wpointer-sign): Init to -1.
9573 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9574 OPT_pedantic, to 0 otherwise.
9575 * doc/invoke.texi: Update.
9577 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9579 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9580 constants provided by 80387 instructions in the destination mode.
9582 2006-01-26 Richard Guenther <rguenther@suse.de>
9583 Andrew Pinski <pinskia@physics.uc.edu>
9586 partial PR tree-opt/17064
9587 * tree-ssa-structalias.c (intra_create_variable_infos):
9588 Create heap variables for incoming parameters if
9589 flag_argument_noalias > 1.
9590 (find_what_p_points_to): Look through default defs of
9593 2006-01-26 Jeff Law <law@redhat.com>
9596 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9597 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9598 within the VR_RANGE, use the VR_RANGE as the result, not the
9600 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9601 bounds for the type.
9603 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9605 * tree-ssa-alias.c (maybe_create_global_var): Change
9606 subvar walking to an assertion that we don't have subvar'd variables.
9608 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9611 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9612 Use a new variable, inner. PARM_DECLs are always non-weak.
9614 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9616 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9619 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9621 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9623 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9625 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9626 (smax_insn, smin_insn, smax_0, smin_0): New.
9628 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9631 * config/cris/cris.c (cris_order_for_addsi3): New function.
9632 * config/cris/cris-protos.h: Prototype it.
9633 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9634 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9635 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9636 (split for "op.S1 [rx=rx+i],ry (swapped)")
9637 (split for "op(s|u).S1 [rx=rx+i],ry")
9638 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9639 Apply cris_order_for_addsi3 when generating addsi3 insns.
9641 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9643 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9644 (TREE_BLOCK): Add call to EXPR_CHECK.
9646 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9649 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9650 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9651 (dump_omp_clauses): ... here.
9652 (dump_generic_node): Handle OMP_CLAUSE.
9653 * tree.c (omp_clause_num_ops): New.
9654 (omp_clause_code_name): New.
9655 (tree_code_size): Handle OMP_CLAUSE.
9656 (tree_size): Likewise.
9657 (make_node): Document handling of OMP_CLAUSE.
9658 (tree_node_structure): Handle OMP_CLAUSE.
9659 (omp_clause_check_failed): New.
9660 (omp_clause_range_check_failed): New.
9661 (omp_clause_operand_check_failed): New.
9662 (build_omp_clause): New.
9663 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9664 * tree.h (enum omp_clause_code): Declare.
9665 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9666 (OMP_CLAUSE_RANGE_CHECK): Define.
9667 (OMP_CLAUSE_ELT_CHECK): Define.
9668 (omp_clause_check_failed): Declare.
9669 (omp_clause_operand_check_failed): Declare.
9670 (omp_clause_range_check_failed): Declare.
9671 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9672 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9673 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9674 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9675 (OMP_CLAUSE_IF_EXPR): Likewise.
9676 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9677 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9678 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9679 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9680 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9681 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9682 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9683 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9684 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9685 (OMP_CLAUSE_CODE): Define.
9686 (OMP_CLAUSE_SET_CODE): Define.
9687 (OMP_CLAUSE_CODE): Define.
9688 (OMP_CLAUSE_OPERAND): Define.
9689 (struct tree_omp_clause): Declare.
9690 (union tree_node): Add field 'omp_clause'.
9691 * treestruct.def (TS_OMP_CLAUSE): Define.
9692 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9693 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9694 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9695 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9696 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9697 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9698 (OMP_CLAUSE): Define.
9699 * print-tree.c (print_node): Handle OMP_CLAUSE.
9700 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9701 * c-typeck.c: Likewise.
9702 * gimplify.c: Likewise.
9703 * c-omp.c: Likewise.
9704 * tree-nested.c: Likewise.
9705 * tree-inline.c: Likewise.
9706 * c-parser.c: Likewise.
9707 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9710 2006-01-25 Roger Sayle <roger@eyesopen.com>
9712 PR rtl-optimization/25703
9713 * combine.c (try_combine): Handle zero_extract and strict_low_part
9714 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9716 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9718 * global.c: Fix comment typos.
9720 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9723 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9724 Use output_addr_const instead of assemble_name.
9726 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9728 * Makefile.in (sched-vis.o): Update dependencies.
9729 * haifa-sched.c (sched_finish): Clear current_sched_info.
9730 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9731 (dump_flow_info): Call it.
9732 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9734 * basic-block.h (dump_bb_info): Declare.
9735 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9736 option, and apply options only for dump files whose TDF_RTL,
9737 TDF_TREE, or TDF_IPA bits match.
9738 * rtl.h: Declare new functions exported from sched-vis.c.
9739 * sched-vis.c: Enable also if scheduling is not used.
9740 (print_value): Print the mode of registers if not inside scheduling.
9741 (print_insn): Make it work outside the scheduler. Beautify the output
9743 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9745 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9747 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9748 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9749 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9750 depending on the value of CONSTANT_POOL_ADDRESS_P.
9751 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9753 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9754 rather than SYMBOL_REF_DECL.
9755 (rtx_constant_pool): Remove const_rtx_sym_htab.
9756 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9757 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9758 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9759 Remove handling of const_rtx_sym_htab.
9760 (find_pool_constant): Delete.
9761 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9762 rather than find_pool_constant.
9763 (get_pool_constant_for_function): Delete.
9764 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9766 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9767 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9768 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9769 (SYMBOL_REF_CONSTANT): New macro.
9770 (get_pool_constant_for_function): Delete.
9771 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9772 rather than SYMBOL_REF_DECL.
9773 (i386_pe_mark_dllimport): Likewise.
9774 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9775 rather than SYMBOL_REF_DECL.
9776 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9777 (machopic_indirect_call_target): Likewise.
9779 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9781 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9783 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9785 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9787 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9789 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9791 2006-01-24 David Daney <ddaney@avtrex.com>
9794 * configure.ac (enable_tls): New enable option.
9795 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9796 * configure: Regenerate.
9797 * doc/install.texi (--enable-tls): Document new option.
9798 (--disable-tls): Ditto.
9800 2006-01-24 Richard Henderson <rth@redehat.com>
9802 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9803 * alias.c (true_dependence): Respect it.
9804 (canon_true_dependence, write_dependence_p): Likewise.
9805 * builtins.c (get_builtin_sync_mem): Set it.
9807 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9809 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9812 2006-01-24 DJ Delorie <dj@redhat.com>
9814 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9815 for storing constants in single-bit bitfields.
9817 2006-01-25 Ben Elliston <bje@au.ibm.com>
9819 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9821 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9824 * tree-ssa-pre.c (phi_translate): Return NULL
9825 for AGGREGATE_TYPE's.
9827 2006-01-24 Zack Weinberg <zackw@panix.com>
9829 * genautomata.c (process_state_for_insn_equiv_partition):
9830 Use xcalloc for insn_arcs_array.
9831 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9832 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9834 2006-01-24 Richard Henderson <rth@redhat.com>
9836 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9839 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9841 PR rtl-optimization/25890
9842 PR rtl-optimization/25905
9843 * combine.c (expand_compound_operation, expand_field_assignment):
9844 Fail if the bitfield's final position is out of bounds.
9846 2006-01-24 Ian Lance Taylor <ian@airs.com>
9849 * cgraphunit.c (cgraph_output_in_order): Don't clear
9850 cgraph_asm_nodes until after asm strings have been output.
9852 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9854 * fix-header.c (read_scan_file): Add new parameter imultilib when
9855 calling register_include_chains.
9857 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9859 * omp-low.c: Update documentation.
9861 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9862 Daniel Berlin <dberlin@dberlin.org>
9866 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9867 return from the function.
9869 2006-01-22 Zack Weinberg <zackw@panix.com>
9871 * rtl.def (match_code): Add second argument.
9872 * genpreds.c (write_extract_subexp): New function.
9873 (write_match_code): Add path argument. Use write_extract_subexp.
9874 (write_predicate_expr): Pass path to write_match_code.
9875 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9876 not perform a mode test.
9877 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9878 a subexpression does not constrain the top-level code set.
9879 * read-rtl.c (read_rtx_variadic): New function.
9880 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9881 * doc/md.texi: Document new notation.
9882 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9883 (cmpsi_operand): ... here, using new notation.
9885 2006-01-22 Zack Weinberg <zackw@panix.com>
9887 * varray.c: Remove GENERATOR_FILE #ifdefs.
9889 2006-01-22 Zack Weinberg <zackw@panix.com>
9891 * genautomata.c (output_reserved_units_table): Emit nothing if
9892 description->query_units_num is zero. Remove extra blank line.
9893 (output_cpu_unit_reservation_p): Short circuit
9894 if description->query_units_num is zero.
9896 2006-01-22 Zack Weinberg <zackw@panix.com>
9898 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9899 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9900 nor any of the random handful of variables that used to be necessary
9901 when this program was linked with rtlanal.o. Prune set of forward
9902 function declarations.
9903 (struct attr_desc): Remove static_p field.
9904 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9905 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9906 (attr_string): Do not read the character one past the length of
9908 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9909 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9910 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9911 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9912 (make_automaton_attrs): New.
9913 (main): Do not call into genautomata. Call local gen_bypass
9914 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9915 Remove special case for insn_alts.
9916 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9917 varray.h (leftover from previous change). Prune set of forward
9918 function declarations. Remove state_alts fields from all
9919 structures. Remove state_alts_table from struct automaton.
9920 Make everything except main static. Do not maintain num_dfa_decls.
9921 Do not maintain state_alts fields of various structures.
9922 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9923 (add_arc): Remove state_alts argument. All callers updated.
9924 (output_reserved_units_table): Emit #ifdef here...
9925 (output_tables): ...not here. Don't generate state_alts tables.
9926 (expand_automata): Don't generate attributes.
9927 (write_automata): Don't generate state_alts functions.
9928 (main): New function.
9929 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9930 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9931 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9932 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9933 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9934 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9935 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9936 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9938 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9939 * genattrtab.h: Delete file.
9940 * Makefile.in (OBJS-common): Add insn-automata.o.
9941 (insn-automata.o): New rule.
9942 (simple_generated_c): Add insn-automata.c.
9943 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9944 (genprogmd): Add automata.
9945 (build/genattrtab): Needs no extra objects nor libraries.
9946 (build/genautomata): Needs build/vec.o and -lm.
9948 2006-01-22 Zack Weinberg <zackw@panix.com>
9950 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9951 (output_dfa_max_issue_rate, locked_states_num): Delete.
9952 (struct automaton): Add locked_states field.
9953 (output_dead_lock_vect): Save number of locked states in
9954 automaton->locked_states. If it is zero, don't print anything.
9955 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9956 (output_internal_dead_lock_func): Only test the dead_lock_vect
9957 for automata that have locked states.
9958 (output_statistics): Always print the number of locked states for
9959 each automaton. Calculate total number of locked states here.
9960 (write_automata): Don't call output_dfa_max_issue_rate.
9961 * genattrtab.c: Define length_unit_log as a const variable.
9962 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9963 max_insn_queue_index const.
9964 * final.c (length_unit_log): Declare const.
9965 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9967 2006-01-22 Zack Weinberg <zackw@panix.com>
9969 * genautomata.c: Include vec.h, not varray.h.
9970 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9971 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9972 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9973 VEC_* macros operating on appropriately typed vectors, or to
9974 malloced arrays when the size is known in advance. Const-ify
9975 many char* variables and function arguments. No functional changes.
9976 * Makefile.in (build/varray.o): Delete rule.
9977 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9978 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9980 2006-01-22 Zack Weinberg <zackw@panix.com>
9982 * gensupport.c: Define get_insn_name and record_insn_name here.
9983 (read_md_rtx): Call record_insn_name as appropriate.
9984 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9985 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9986 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9988 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9989 (BUILD_VARRAY): Delete.
9990 (genprognormal): Rename genprogmd. Fold in all programs from
9991 genprognoprint; also attrtab.
9992 (build/genattrtab): Just mention genautomata.o and varray.o.
9993 Reorganize a bit, add comments to make the categories clearer.
9995 2006-01-22 Zack Weinberg <zackw@panix.com>
9997 * genconditions.c (condition_table, add_condition): Delete.
9998 (write_conditions): Don't emit n_insn_conditions nor
9999 insn_elision_unavailable. Issue the gcc version #ifdef here,
10000 inside the table, with no #else clause ...
10001 (write_header): ...not here.
10002 (write_writer): New function.
10003 (main): Don't initialize condition_table. Use add_c_test.
10005 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10006 files on the command line.
10007 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10008 Return -1 if there is no entry in the table, don't abort.
10009 (add_c_test, traverse_c_tests): New functions.
10010 * gensupport.h (insn_elision_unavailable, insn_conditions)
10011 (n_insn_conditions): Delete declarations.
10012 (add_c_test, traverse_c_tests): Declare.
10013 * read-rtl.c: Include gensupport.h.
10014 (read_conditions): New function.
10015 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10016 (read_rtx_1): If we get EOF when we were looking for an initial
10017 open paren, return 0. Call read_conditions when appropriate.
10018 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10019 dummy-conditions.o. Eliminate references to insn-conditions.o,
10020 or change them to build/gencondmd.o, as appropriate. Remove
10021 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10022 from $(simple_generated_c). For all files remaining in those
10023 two lists, add insn-conditions.md to the generator command line.
10024 Give insn-constants.h/s-constants their own rules. Add rules
10025 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10026 (build/read-rtl.o): Depend on gensupport.h.
10027 (genprognormal): Include preds.
10028 (genprogearly): Rename genprognoprint; only difference is now that
10029 they don't link with $(BUILD_PRINT).
10030 * dummy-conditions.c: Delete.
10032 2006-01-22 Zack Weinberg <zackw@panix.com>
10034 * genextract.c: Don't include insn-config.h. Do include vec.h.
10035 Declare vectors of int, char, and locstr.
10036 (locstr): New typedef.
10037 (struct extraction): Make all array fields into bare pointers.
10038 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10039 (insn_code_number): Delete.
10040 (accum_extract): New struct.
10041 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10042 (gen_insn): Take insn_code_number as an argument. Use an
10043 accum_extract structure instead of loading data directly into
10044 a struct extraction, and having to know how big it might get.
10045 (walk_rtx): Operate entirely on an accum_extract structure.
10046 (print_path): Avoid unnecessary use of printf.
10047 (print_header): New function, split out of main. Distinguish
10048 more carefully between an unrecognizable insn and an insn that
10049 has the code number of a define_expand.
10050 (main): Pass insn_code_number to gen_insn. Call print_header
10051 only after parsing. Avoid unnecessary use of printf.
10052 * Makefile.in (build/vec.o): New rule.
10053 (build/genextract): Depend on build/vec.o.
10054 (build/genextract.o): Don't depend on insn-config.h.
10056 2006-01-22 Zack Weinberg <zackw@panix.com>
10058 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10059 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10060 practical. Eliminate per-generator-program link rules.
10062 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10064 PR middle-end/24437
10065 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10066 with a call expr to ...
10067 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10069 2006-01-23 Richard Guenther <rguenther@suse.de>
10071 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10072 before make_edge with conditional EDGE_TRUE_VALUE.
10074 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10075 Jan Hubicka <jh@suse.cz>
10076 Richard Guenther <rguenther@suse.de>
10078 PR rtl-optimization/25654
10079 * cfgexpand.c (aggregate_contains_union_type): New function.
10080 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10081 for structure variables that contain a union type.
10083 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10085 * gengtype.c (new_structure): Return the structure.
10086 (create_option): Add an extra "next" argument.
10087 (create_field): New function.
10088 (adjust_field_rtx_def): Use create_option and create_field.
10089 Remove a now-unnecessary call to find_structure.
10090 (adjust_field_tree_def): Likewise.
10091 (note_yacc_type): Remove an unnecessary call to find_structure.
10092 * gengtype.h (new_structure): Return the structure.
10093 (create_option): Add an extra argument.
10094 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10095 (option): Adjust calls to create_option.
10097 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10099 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10101 2006-01-22 Paul Brook <paul@codesourcery.com>
10102 Peter Barada <peter@the-baradas.com>
10104 * config/m68k/m68k.md: Add Coldfire FPU support.
10105 Define FP mode macro and associated attributes.
10106 Use it for float mode patterns.
10107 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10108 (LIBCALL_VALUE): Use m68k_libcall_value.
10109 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10110 (m68k_function_value): Ditto.
10111 (emit_move_sequence): Ditto.
10112 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10113 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10114 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10115 (MULTILIB_EXCEPTIONS): Ditto.
10116 * config/m68k/m68k.opt: Add mcfv4e.
10117 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10118 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10119 (m68k_output_function_prologue): Save ColdFire FPU registers.
10120 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10121 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10122 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10123 ColdFire FPU registers.
10124 (m68k_libcall_value, m68k_function_value): New functions.
10125 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10126 (LIBCALL_VALUE): Use m68k_libcall_value.
10127 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10128 (MASK_COLDFIRE): Add MASK_CFV4E.
10129 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10130 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10131 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10132 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10133 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10134 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10135 * doc/invoke.tex: Document -mcfv4e on m68k.
10137 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10139 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10142 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10145 * c-opts.c (c_common_handle_option): Don't include
10146 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10147 * doc/invoke.texi (C++ Dialect Options): Document that
10148 -Wnon-virtual-dtor is no longer included in -Wall.
10150 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10152 * gcov.c (print_version), gcov-dump.c (print_version),
10153 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10156 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10158 * df-scan.c (problem_SCAN): Added NULL reset function.
10159 (df_scan_reset_blocks): Added code to call reset block function
10160 (df_bb_refs_delete) Fixed comment.
10161 (df_insn_refs_delete): Made tolerant of deleting non existent info
10162 for dataflow problems that need to be reset.
10163 * df-core.c (df_set_blocks): Ditto.
10164 * df.h (struct df_problem): Added reset_fun.
10165 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10166 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10167 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10168 functions to clear out all references to def-use or use-def chains.
10170 2006-01-21 Ben Elliston <bje@au.ibm.com>
10172 * varasm.c (assemble_real): Initialise data array.
10174 2006-01-20 Paul Brook <paul@codesourcery.com>
10176 Merge from csl-arm-branch.
10177 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10178 * config/arm/arm.md (movdi): Force operands[1] to a register
10179 if we have a non-register source.
10180 (*arm_movdi, *movdf_soft_insn): Require that one of the
10181 operands be a register.
10182 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10183 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10185 2006-01-20 DJ Delorie <dj@redhat.com>
10187 * varasm.c (initializer_constant_valid_p): Allow pointers
10188 initialized from integer constants of lesser precision.
10189 (output_constant): Allow non-int-sized pointer modes to be
10190 initialized from integer constants.
10192 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10195 * cppdefault.h (struct default_include): Add multilib flag.
10196 * cppdefault.c (cpp_include_defaults): Set it.
10197 * c.opt (-imultilib): New option.
10198 * c-opts.c (imultilib): New.
10199 (c_common_handle_option): Handle -imultilib.
10200 (c_common_post_options): Likewise.
10201 * c-incpath.c (add_standard_paths, register_include_chains):
10203 * c-incpath.h (register_include_chains): Add extra parameter.
10204 * gcc.c (do_spec_1): Generate -imultilib option.
10205 (The Specs Language): Update %I description.
10206 (process_command): Update copyright notice.
10207 * doc/cppopts.texi (-imultilib): Document.
10208 * doc/invoke.texi (-imultilib): Include in option summary.
10209 (%I): Update specs documentation.
10211 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10213 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10215 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10217 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10220 2006-01-20 Richard Guenther <rguenther@suse.de>
10221 Steven Bosscher <stevenb.gcc@gmail.com>
10223 PR rtl-optimization/24626
10224 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10225 EDGE_TRUE_VALUE if in RTL mode.
10228 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10229 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10231 2006-01-20 Dirk Mueller <dmueller@suse.com>
10234 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10235 instead of a special NOP marker.
10236 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10237 NOP marker handling.
10238 * c-common.h (empty_body_warning): Add forward declaration.
10239 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10240 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10242 2006-01-20 Paul Brook <paul@codesourcery.com>
10244 * Makefile.in (lang_checks): Keep going if mkdir fails.
10246 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10248 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10249 be able to clean out basic block when not necessary.
10250 (df_scan_free): Fixed to properly delete information if df is
10251 unused before calling df_finish.
10252 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10253 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10255 (df_bb_refs_delete): New function.
10256 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10257 * df-core.c (df_set_blocks): Added code to properly clean out
10258 unused blocks if they are not part of the blocks to consider.
10259 Added additional null check.
10260 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10261 be able to clean out basic block when not necessary
10262 * df.h (df_free_bb_function): Ditto.
10263 (df_bb_refs_delete): New function.
10264 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10265 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10266 basic block parameter to be able to clean out basic block when not
10268 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10269 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10270 Fixed to properly delete information if df is unused before
10273 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10275 PR rtl-optimization/25799
10276 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10277 Corrected confluence operator to remove bits from op2 before oring
10278 with op1 rather than removing bits from op1.
10279 (df_ru_transfer_function): Corrected test on wrong bitmap which
10280 caused infinite loop. Both of these problems were introduced in
10281 the dataflow rewrite.
10283 2006-01-19 DJ Delorie <dj@redhat.com>
10285 * reload1.c (find_reload_regs): Note the details of reload
10286 failures in the dump file.
10287 (spill_failure): Likewise.
10289 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10291 * loop-iv.c: Include df.h and hashtab.h.
10292 (enum iv_grd_result): New enum.
10293 (DF_REF_IV, DF_REF_IV_SET): New macros.
10294 (struct biv_entry): New.
10295 (df, bivs): New global variables.
10296 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10297 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10299 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10300 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10301 analyzed_for_bivness_p, record_biv): New functions.
10302 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10303 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10304 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10306 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10308 (iv_number_of_iterations): Use new interface to iv analysis.
10309 * loop-unroll.c: Do not include varray.h.
10310 (analyze_iv_to_split_insn): Use new interface to iv
10312 * loop-unswitch.c (may_unswitch_on): Ditto.
10313 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10315 (df_bb_modify): Realloc tables to the new index.
10316 (df_find_use): New function.
10317 * df.h (df_find_use): Declare.
10318 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10320 * cfgloop.h (struct rtx_iv): Remove analysed field.
10321 (iv_get_reaching_def): Removed.
10322 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10323 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10324 (loop-iv.o): Add df.h and hashtab.h dependency.
10325 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10327 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10330 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10332 (__floatundisf, __floatundidf): Likewise.
10333 * libgcc2.h (IS_IBM_EXTENDED): Define.
10335 2006-01-19 DJ Delorie <dj@redhat.com>
10337 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10339 2006-01-19 Paul Brook <paul@codesourcery.com>
10341 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10342 as nothrow when unwinding tables are disabled.
10344 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10347 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10348 of bit-field" when in system header.
10350 2006-01-19 DJ Delorie <dj@redhat.com>
10352 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10353 the 16 bit shift limit of the m16c.
10355 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10358 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10359 * config/i386/i386.c (output_set_got): Output the label if we have one
10360 for the TARGET_DEEP_BRANCH_PREDICTION case.
10362 2006-01-19 Jan Hubicka <jh@suse.cz>
10363 H.J. Lu <hongjiu.lu@intel.com>
10364 Evandro Menezes <evandro.menezes@amd.com>
10366 * invoke.texi (generic): Document
10368 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10369 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10370 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10371 (x86_use_incdec, x86_pad_returns): New variables
10372 (TARGET_CPU_DEFAULT_generic): New constant
10373 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10374 (enum processor_type): Add generic32 and generic64.
10375 * i386.md (cpu attribute): Add generic32/generic64
10376 (movhi splitter): Behave sanely when both partial_reg_dependency and
10377 partial_reg_stall are set.
10378 (K8 splitters): Enable for generic as well.
10379 * predicates.md (incdec_operand): Use TARGET_INCDEC
10380 (aligned_operand): Avoid memory mismatch stalls.
10381 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10382 * ppro.md: Enable for generic32
10383 * i386.c (generic64_cost, generic32_cost): New.
10384 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10385 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10386 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10387 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10388 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10389 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10390 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10391 x86_accumulate_outgoing_args, x86_prologue_using_move,
10392 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10393 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10394 Enable for generic.
10395 (x86_use_incdec, x86_pad_returns): New.
10396 (override_options): Add generic32 and generic64, translate "generic"
10397 to generic32/generic64 and "i686" to "generic32", refuse
10398 "generic32"/"generic64" as arch target.
10399 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10400 (ix86_reorg): Honor PAD_RETURNS.
10402 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10404 * tree-pretty-print.c (dump_generic_node): Handle
10405 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10406 * cgraph.c (cgraph_expand_queue): Rename from
10407 cgraph_analyze_queue. Update all users.
10408 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10409 cgraph_expand_queue.
10410 (cgraph_expand_all_functions): Likewise.
10411 (cgraph_finalize_pending_functions): Remove. Update callers.
10413 * tree.h (OMP_DIRECTIVE_P): Define.
10414 (OMP_PARALLEL_FN): Define.
10415 (OMP_PARALLEL_DATA_ARG): Define.
10416 (OMP_SECTIONS_SECTIONS): Define.
10417 * tree-pass.h (pass_expand_omp): Declare.
10418 * omp-low.c (struct omp_region): Declare.
10419 (struct omp_context): Remove fields 'parallel_type',
10420 'parallel_start_ix' and 'parallel_start_additional_args'.
10422 (struct omp_for_data): Rename from struct expand_omp_for_data.
10423 (omp_regions): New static variable.
10424 (root_omp_region): New static variable.
10425 (find_omp_clause): Make static.
10426 (is_in_combined_parallel_ctx): Remove.
10427 (is_combined_parallel): New.
10428 (extract_omp_for_data): Move earlier in the file.
10429 (workshare_safe_to_combine_p): New.
10430 (get_ws_args_for): New.
10431 (determine_parallel_type): Move earlier in the file.
10432 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10434 (omp_copy_decl): Likewise.
10435 (create_omp_child_function): Likewise.
10436 (lookup_omp_region): New.
10437 (dump_omp_region): New.
10438 (debug_omp_region): New.
10439 (debug_all_omp_regions): New.
10440 (new_omp_region): New.
10441 (scan_omp_parallel): If parallel_nesting_level > 1, the
10442 directive is nested within another parallel directive.
10443 Set OMP_PARALLEL_FN.
10444 (scan_omp_for): Do not try to handle combined parallel+for
10446 Remove FIXME comment.
10447 (scan_omp_nested): Remove.
10448 (scan_omp_1): Do not call scan_omp_nested when
10449 parallel_nesting_level is > 1.
10450 Do not change the DECL_CONTEXT of local variables found.
10451 (lookup_decl_in_outer_ctx): New.
10452 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10453 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10454 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10455 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10456 If CTX is nested, lookup VAR in the outer context when
10457 building copy assignment.
10458 (lower_send_clauses): Rename from expand_send_clauses.
10459 If CTX is nested, lookup VAR in the outer context when
10460 building copy assignments.
10461 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10462 If CTX is nested, lookup VAR in the outer context when
10463 building copy assignments.
10464 (expand_parallel_call): Rename from build_parallel_call.
10465 Handle combined parallel+workshare cases.
10466 Re-implement to emit code into the CFG.
10468 (expand_omp_parallel): Re-implement to emit code into the CFG.
10469 Call move_sese_region_to_fn to outline the sub-graph
10470 containing the parallel region.
10471 (expand_omp_for_1): Remove.
10472 (expand_omp_for_generic): Re-implement to emit code into the
10474 (expand_omp_for_static_nochunk): Likewise.
10475 (expand_omp_for_static_chunk): Likewise.
10476 (expand_omp_for): Likewise.
10477 (expand_omp_sections): Likewise.
10478 (remove_exit_barriers): New.
10479 (expand_omp_synch): New.
10481 (build_omp_regions_1): New.
10482 (build_omp_regions): New.
10483 (execute_expand_omp): New.
10484 (gate_expand_omp): New.
10485 (pass_expand_omp): Define.
10486 (lower_omp_sections): Rename from expand_omp_sections.
10487 Set OMP_SECTIONS_SECTIONS.
10488 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10489 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10490 (lower_omp_single): Rename from expand_omp_simple.
10491 (lower_omp_master): Rename from expand_omp_master.
10492 (lower_omp_ordered): Rename from expand_omp_ordered.
10493 (lower_omp_critical): Rename from expand_omp_critical.
10494 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10495 (lower_omp_for): Re-implement.
10496 (lower_omp_parallel): Re-implement.
10497 (lower_regimplify): Rename from expand_regimplify.
10498 (lower_omp_1): Rename from expand_omp_1.
10499 If there are syntax errors in the program, replace every
10500 OpenMP directive with NOP.
10501 Call lower_omp_* instead of expand_omp_*.
10502 (lower_omp): Rename from expand_omp.
10504 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10505 * tree-gimple.h (enum omp_parallel_type): Remove.
10506 (gimple_boolify): Declare extern.
10507 (find_omp_clause, determine_parallel_type): Remove.
10509 * gimple-low.c (lower_omp_directive): New.
10510 (lower_stmt): Call it.
10511 (record_vars_into): Move from ...
10512 (record_vars): ... here.
10513 Call record_vars_into with current_function_decl.
10515 * gimplify.c (struct gimplify_ctx): Remove fields
10516 combined_pre_p and combined_ctxp. Update users.
10517 (get_formal_tmp_var): Add documentation.
10518 (gimple_boolify): Make extern.
10519 (gimplify_expr_in_ctx): Remove. Update callers.
10520 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10521 will always be a BIND_EXPR.
10522 (gimplify_expr): Handle OMP_RETURN_EXPR.
10523 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10524 (OMP_PARALLEL): Add 3 operands.
10525 (OMP_SECTIONS): Add 1 operand.
10526 (OMP_RETURN_EXPR): Define.
10528 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10529 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10530 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10531 creating a circular free list.
10532 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10534 * tree-flow.h (move_sese_region_to_fn): Declare.
10535 (record_vars_into): Declare.
10536 * tree-cfg.c (make_omp_sections_edges): New.
10537 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10538 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10539 OMP_SECTIONS and OMP_SECTION.
10540 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10541 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10542 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10543 (gather_blocks_in_sese_region): New.
10544 (struct move_stmt_d): Declare.
10545 (move_stmt_r): New.
10546 (move_block_to_fn): New.
10547 (move_sese_region_to_fn): New.
10549 * passes.c (init_optimization_passes): Schedule
10550 pass_expand_omp after pass_init_datastructures.
10552 * tree-ssa-operands.c (get_expr_operands): Handle
10553 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10554 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10556 2006-01-19 Jeff Law <law@redhat.com>
10558 * tree-vrp.c (extract_range_from_assert): Refine the result range
10559 if the variable referenced by the ASSERT_EXPR has a range and
10560 either the tentative result range or the previous range is a
10563 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10565 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10567 2006-01-19 Jan Hubicka <jh@suse.cz>
10569 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10571 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10573 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10574 (expand_compound_operation, expand_field_assignment): Fail if the
10575 bit lengths of an extract operation are out of range.
10576 (make_extraction): Compute wanted_inner_mode based on the position
10577 and length of the extraction. Make it extraction_mode for non-constant
10578 positions, and do not modify offset in that case. When generating a
10579 new MEM, use a mode that can hold the extraction while keeping correct
10580 alignment. Remove code that supported MEMs wrapped by USEs.
10581 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10583 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10585 * config/s390/s390.md ("Y", "y"): New mode attribute.
10586 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10587 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10588 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10589 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10590 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10591 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10592 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10593 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10594 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10595 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10596 "addsi3", "subsi3"): Insn patterns removed.
10597 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10598 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10599 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10600 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10601 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10602 "*sub<mode>3_cconly2"): New insn patterns.
10603 ("addsi3", "subsi3"): New expanders.
10605 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10607 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10608 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10609 existing STMT_VINFO_VECTYPE if available.
10610 (vect_mark_relevant): Add special handling for stmts that are
10611 marked as STMT_VINFO_IN_PATTERN_P.
10612 (vect_analyze_loop): Call vect_pattern_recog.
10613 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10614 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10616 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10617 (vect_recog_func_ptr): New function-pointer type.
10618 * tree-vect-patterns.c: New file.
10619 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10620 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10621 (vect_pattern_recog_1): New functions.
10622 (vect_pattern_recog_funcs): New array of function pointers.
10624 * tree-vectorizer.h (ternary_op): New enum value.
10625 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10626 declaration. Revised documentation. Removed redundant dump prints.
10627 Removed redundant argument. Added support for reduction patterns.
10628 (vectorizable_reduction): Added support for reduction patterns.
10629 (vect_transform_stmt): Added support for patterns.
10631 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10632 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10633 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10634 (expand_widen_pattern_expr): New function.
10635 (init_optabs): Initialize new optabs udot_prod_optab,
10637 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10638 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10639 (expand_widen_pattern_expr): New function declaration.
10640 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10642 * tree-inline.c (estimate_num_insns_1): Added cases for new
10643 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10644 * tree-pretty-print.c (dump_generic_node): Likewise.
10645 (op_prio): Likewise.
10646 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10647 * tree-ssa-operands.c (get_expr_operands): Added case for
10649 * tree-vect-patterns.c (widened_name_p): New function.
10650 (vect_recog_dot_prod_pattern): Added function implementation.
10651 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10652 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10653 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10654 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10656 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10657 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10658 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10659 (init_optabs): Initialize new optabs widen_ssum_optab,
10661 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10662 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10663 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10664 use instead of type of def.
10665 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10666 function implementation.
10667 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10668 widen_ssumv8hi): New.
10670 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10673 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10676 * c-decl.c (add_flexible_array_elts_to_size): New function.
10677 (finish_decl): Use it.
10679 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10681 * diagnostic.h: Include options.h.
10682 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10683 dependancies for diagnostic.h.
10684 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10686 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10688 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10689 (ssa_ro_call_cache_valid): Ditto.
10690 * tree-ssa-alias.c (sort_tags_by_id): New function.
10691 (init_transitive_clobber_worklist): Ditto.
10692 (add_to_worklist): Ditto.
10693 (mark_aliases_call_clobbered): Ditto.
10694 (compute_tag_properties): Ditto.
10695 (set_initial_properties): Ditto.
10696 (compute_call_clobbered): Ditto.
10697 (compute_may_aliases): Call compute_call_clobbered and grouping.
10698 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10699 (compute_flow_insensitive_aliasing): Grouping now happens in our
10701 (setup_pointers_and_addressables): Remove clobbering related code.
10702 (add_may_alias): Ditto.
10703 (replace_may_alias): Ditto.
10704 (get_nmt_for): Ditto.
10705 (create_global_var):
10706 (is_escape_site): Return an escape_type enumeration.
10707 * tree-flow-inline.h (is_call_clobbered): Global var does not
10708 imply call clobbered.
10709 (mark_call_clobbered): Take a reason for marking this. Remove
10710 marking of globalness, and cache invalidation.
10711 (clear_call_clobbered): Remove cache invalidation code.
10712 * tree-dfa.c (dump_variable): If details is on, dump the reason
10714 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10716 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10717 (struct var_ann_d): Ditto.
10718 (enum escape_type): New.
10719 (mark_call_clobbered): Adjust prototype.
10720 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10721 are never call clobbered.
10722 Record reasons for escaping.
10723 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10724 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10725 (ssa_ro_call_cache_valid): Ditto.
10726 (clobbered_v_may_defs): Ditto.
10727 (clobbered_vuses): Ditto.
10728 (ro_call_vuses): Ditto.
10729 (clobber_stats): New.
10730 (init_ssa_operands): Zero out clobber stats.
10731 (fini_ssa_operands): Print out clobber stats.
10732 (get_call_expr_operands): Pass callee fndecl to
10733 add_call_read_ops).
10734 (add_call_clobber_ops): Remove use of cache.
10735 Add use of PURE_CONST information.
10736 (add_call_read_ops): Remove use of cache.
10737 Add use of static not_read information.
10739 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10741 Introduce TLS descriptors for i386 and x86_64.
10742 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10743 (TARGET_ANY_GNU_TLS): New macro.
10744 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10745 (struct machine_function): Add tls_descriptor_call_expanded_p.
10746 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10747 (ix86_current_function_calls_tls_descriptor): Likewise.
10748 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10749 (override_options): Introduce gnu2 tls dialect.
10750 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10752 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10754 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10755 (ix86_init_machine_status): Initialize new field.
10756 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10757 (ix86_tls_module_base): New.
10758 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10759 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10760 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10761 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10762 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10763 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10764 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10765 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10766 * config/i386/predicates.md (tls_modbase_operand): New.
10767 (tp_or_register_operand): New.
10769 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10771 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10772 (look_for_address_of): Ditto.
10773 (ipa_init): Walk the function decls.
10774 (static_execute): Don't set readonly on FUNCTION_DECL's.
10776 2006-01-18 Roger Sayle <roger@eyesopen.com>
10778 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10779 for shifts where the source and destination registers are different.
10781 2006-01-18 Paul Brook <paul@codesourcery.com>
10783 Merge from csl-arm-branch.
10784 2005-03-14 Julian Brown <julian@codesourcery.com>
10785 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10786 (aeabi_llsl): Likewise.
10787 (ashrdi3): Likewise.
10788 (aeabi_lasr): Likewise.
10789 (lshrdi3): Likewise.
10790 (aeabi_llsr): Likewise.
10791 2005-03-10 Julian Brown <julian@codesourcery.com>
10792 * config.gcc: Disable shared libgcc for SymbianOS.
10793 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10795 2006-01-18 DJ Delorie <dj@redhat.com>
10797 * c-pragma.c (handle_pragma_diagnostic): New.
10798 (init_pragma): Register it.
10799 * doc/extend.texi: Document it.
10801 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10802 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10803 (diagnostic_context): Add classify_diagnostic[].
10804 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10805 as errors if they're overridden to DK_WARNING.
10806 (diagnostic_initialize): Initialize classify_diagnostic[].
10807 (diagnostic_set_kind_override): New.
10808 (diagnostic_report_diagnostic): Check for kind changes.
10809 * opts.c (common_handle_option): Take lang_mask. Update callers.
10810 Handle OPT_Werror_.
10811 * common.opt (Werror=): New.
10812 * doc/invoke.texi: Document -Werror=*
10814 2006-01-18 Jeff Law <law@redhat.com>
10816 * tree-vrp.c (test_for_singularity): Correct test for new
10817 min limit. Use operand_equal_p rather than pointer equality
10818 for testing if new min/max values are equal.
10820 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10821 using range information until after propagation and folding.
10823 2006-01-18 Richard Henderson <rth@redhat.com>
10824 Aldy Hernandez <aldyh@redhat.com>
10825 Jakub Jelinek <jakub@redhat.com>
10826 Diego Novillo <dnovillo@redhat.com>
10828 * omp-low.c: New file.
10829 * c-omp.c: New file.
10831 2006-01-18 Richard Henderson <rth@redhat.com>
10832 Jakub Jelinek <jakub@redhat.com>
10833 Diego Novillo <dnovillo@redhat.com>
10835 * doc/invoke.texi: Document -fopenmp.
10836 * tree-dump.h (debug_function): Declare.
10837 * hooks.c (hook_bool_tree_bool_false): New function.
10838 (hook_tree_tree_null): Remove.
10839 (hook_tree_tree_tree_null): New.
10840 * hooks.h: Update to match.
10841 * tree-pretty-print.c (debug_tree_chain): New.
10842 (print_generic_expr): Handle TDF_CHAIN.
10843 (dump_generic_node): Handle BLOCK.
10844 Do not abort with incomplete SWITCH_EXPRs.
10845 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10846 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10847 print space after directive name.
10848 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10849 Handle OMP_MASTER and OMP_ORDERED.
10850 Handle printing of OMP_BODY just in one place, goto
10851 dump_omp_body in the rest of OMP_* nodes that have
10853 Don't handle clause nodes here. Update omp statements to
10854 use dump_omp_clauses.
10855 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10856 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10857 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10858 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10859 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10860 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10861 Adjust output for GOMP_PARALLEL.
10862 (dump_omp_clauses): New.
10863 (print_declaration): Dump DECL_VALUE_EXPR.
10864 (op_symbol_1): Split out of op_symbol.
10865 (dumping_stmts): Remove. Update all users.
10866 * cgraph.c (cgraph_analyze_queue): New.
10867 (cgraph_add_new_function): New.
10868 * cgraph.h (cgraph_analyze_queue): Declare.
10869 (cgraph_add_new_function): Declare.
10870 (cgraph_lower_function): Remove.
10871 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10872 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10873 and TYPE_P nodes in its default clause.
10874 (empty_body_p): New.
10875 (tree_range_check_failed): New.
10876 (build5_stat): New.
10877 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10878 OMP_CLAUSE_REDUCTION_MERGE,
10879 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10880 OMP_CLAUSE_PRIVATE_DEBUG,
10881 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10882 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10883 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10884 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10885 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10886 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10887 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10888 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10889 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10890 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10891 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10892 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10893 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10894 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10895 (TREE_RANGE_CHECK): New.
10896 (empty_body_p): Declare.
10897 (enum omp_clause_default_kind): New.
10898 (build_string_literal): Declare.
10899 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10900 (build5_stat, build5): Declare.
10901 * tree-pass.h (TDF_CHAIN): Define.
10902 * tree-pass.h (PROP_gimple_lomp): Define.
10903 (pass_lower_omp): Declare.
10904 * diagnostic.h (debug_tree_chain): Declare.
10905 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10907 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10908 * builtins.c (build_string_literal): Make extern.
10909 * gcc.c (include_spec_function): New.
10910 (static_spec_functions): Add it.
10911 (main): Move load of libgomp.spec ...
10912 (LINK_COMMAND_SPEC): ... here.
10913 (link_gomp_spec): New.
10914 (static_specs): Include it.
10915 (LINK_COMMAND_SPEC): Add link_gomp.
10916 (GOMP_SELF_SPECS): New.
10917 (driver_self_specs): Include it.
10918 (switch_matches): Don't mark inline.
10919 (main): Load libgomp.spec.
10920 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10921 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10922 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10923 * tree-gimple.h (enum omp_parallel): Declare.
10924 (determine_parallel_type): Declare.
10925 (omp_firstprivatize_variable): Declare.
10926 (omp_reduction_init): Declare.
10927 (diagnose_omp_structured_block_errors): Declare.
10928 (struct walk_stmt_info): Add want_return_expr.
10929 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10930 (find_omp_clause): Declare.
10931 (insert_field_into_struct): Declare.
10932 (struct walk_stmt_info): Move from tree-nested.c
10933 (walk_stmts): Declare.
10934 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10936 * cgraphunit.c (cgraph_lower_function): Make static.
10937 (cgraph_finalize_pending_functions): New.
10938 (cgraph_finalize_function): Call it.
10939 (cgraph_finalize_compilation_unit): Likewise.
10940 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10941 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10942 (BT_FN_UINT_UINT): New.
10943 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10944 DEF_FUNCTION_TYPE_VAR_4): Document.
10945 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10946 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10947 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10948 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10949 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10950 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10951 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10952 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10953 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10954 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10955 into separate files.
10956 (DEF_GOMP_BUILTIN): New.
10957 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10958 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10959 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10960 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10961 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10962 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10963 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10964 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10965 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10966 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10967 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10968 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10969 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10970 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10971 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10972 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10973 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10974 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10975 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10976 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10977 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10978 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10979 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10980 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10981 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10982 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10983 * sync-builtins.def: New file, moved from builtins.def.
10984 * omp-builtins.def: New file, moved from builtins.def.
10985 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10986 * gimple-low.c (lower_function_body): Clear data.
10987 (lower_stmt): Do not handle COMPOUND_EXPR.
10988 Remove call to print_node_brief.
10989 * c-tree.h (c_finish_omp_clauses): New prototype.
10990 (C_DECL_THREADPRIVATE_P): Define.
10991 (lookup_name_no_remap, c_omp_remap_private): Remove
10992 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10993 (check_for_loop_decls): Update decl.
10994 (lookup_name_no_remap, c_omp_remap_private): Declare.
10995 (build_indirect_ref, build_modify_expr, pushdecl,
10996 pushdecl_top_level): Move to c-common.h.
10997 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10998 before the switch, but just in the 2 places that need it.
10999 * c-decl.c (diagnose_mismatched_decls): Do not check for
11000 mismatched thread-local attributes when OLDDECL is marked
11001 threadprivate and NEWDECL has no thread-local attributes.
11002 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11003 (c_gimple_diagnostics_recursively): Rename from
11004 c_warn_unused_result_recursively. Invoke
11005 diagnose_omp_structured_block_errors.
11006 (check_for_loop_decls): Return a singular decl found.
11007 * langhooks.c (lhd_omp_predetermined_sharing): Return
11008 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11009 (lhd_omp_firstprivatize_type_sizes): New.
11010 (lhd_omp_assignment): New.
11011 (lhd_omp_predetermined_sharing): New.
11012 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11013 (struct lang_hooks_for_types): Add
11014 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11015 omp_predetermined_sharing, omp_disregard_value_expr,
11016 omp_private_debug_clause, omp_clause_default_ctor,
11017 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11018 (c_finish_omp_clauses): New.
11019 (c_finish_bc_stmt): Diagnose break within omp for.
11020 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11021 (build_unary_op): Return error_mark after reporting
11023 (build_modify_expr): Likewise.
11024 * gimplify.c: Include optabs.h and pointer-set.h.
11025 (enum gimplify_omp_var_data): Declare.
11026 (struct gimplify_omp_ctx): Declare.
11027 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11029 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11030 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11031 (splay_tree_compare_decl_uid): New.
11032 (new_omp_context): New.
11033 (delete_omp_context): New.
11034 (gimple_add_tmp_var): Call omp_add_variable.
11035 (gimplify_bind_expr): Likewise.
11036 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11037 true, disregard DECL_VALUE_EXPR on the decl if any.
11038 (gimplify_expr_in_ctx): New.
11039 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11040 omp_add_variable, omp_notice_variable, omp_is_private
11041 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11042 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11043 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11044 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11045 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11046 gimplify_omp_atomic): New.
11047 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11048 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11049 OMP_CRITICAL and OMP_ATOMIC.
11050 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11051 * c-pragma.h (enum pragma_kind): Add
11052 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11053 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11054 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11055 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11056 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11057 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11058 PRAGMA_OMP_THREADPRIVATE.
11059 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11060 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11061 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11062 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11063 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11064 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11065 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11066 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11067 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11068 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11069 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11070 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11071 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11073 (struct nesting_info): Add field_map,
11074 suppress_expansion, debug_var_chain.
11075 (create_nesting_tree): Initialize them.
11076 (lookup_field_for_decl): Use field_map.
11077 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11078 (convert_local_omp_clauses): New.
11079 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11080 (walk_body): Split out of walk_function.
11081 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11082 (convert_nonlocal_reference): Handle omp statements.
11083 (convert_local_reference): Likewise.
11084 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11085 (unnest_nesting_tree): New.
11086 (lower_nested_functions): Call it.
11087 (insert_field_into_struct): Make extern.
11088 (struct walk_stmt_info): Move to tree-gimple.h.
11089 (walk_stmts): Make extern.
11090 * omp-builtins.def: New file.
11091 * tree-iterator.c (expr_only): Clarify comment.
11092 * c-common.h (pushdecl_top_level, pushdecl,
11093 build_modify_expr, build_indirect_ref,
11094 c_finish_omp_master, c_finish_omp_critical,
11095 c_finish_omp_ordered, c_finish_omp_barrier,
11096 c_finish_omp_atomic, c_finish_omp_flush,
11097 c_finish_omp_for, c_split_parallel_clauses,
11098 omp_clause_default_kind, c_omp_sharing_predetermined,
11099 c_omp_remap_decl): Declare.
11100 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11101 (OBJS-common): Add omp-low.o.
11102 (c-omp.o, omp-low.o): Add.
11103 (gimplify.o): Add dependency on $(OPTABS_H).
11104 (GTFILES): Add omp-low.c.
11105 (gt-stringpool.h): Add.
11106 * tree-cfg.c (set_bb_for_stmt): Do not update the
11107 block-to-labels map if we are currently expanding to RTL.
11108 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11110 Handle IDENTIFIER_NODE.
11111 (tree_verify_flow_info): Do not ICE when emitting error
11112 messages about invalid labels.
11113 (dump_function_to_file): Reset CFUN before emitting the body
11115 (debug_function): New.
11116 * passes.c (init_optimization_passes): Schedule
11118 * langhooks-def.h (lhd_omp_predetermined_sharing,
11119 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11121 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11122 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11123 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11124 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11125 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11126 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11127 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11128 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11129 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11130 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11131 (LANG_HOOK_DECLS): Use them.
11133 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11134 Richard Henderson <rth@redhat.com>
11135 Jakub Jelinek <jakub@redhat.com>
11136 Diego Novillo <dnovillo@redhat.com>
11138 * c-parser.c (pragma_omp_clause): Define.
11139 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11140 (c_parser_compound_statement): Likewise.
11141 (c_parser_statement): Likewise.
11142 (c_parser_pragma): Handle omp pragmas.
11143 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11144 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11145 (c_parser_omp_clause_name, check_no_duplicate_clause,
11146 c_parser_omp_variable_list,
11147 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11148 c_parser_omp_clause_copyprivate,
11149 c_parser_omp_clause_default,
11150 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11151 c_parser_omp_clause_lastprivate,
11152 c_parser_omp_clause_nowait,
11153 c_parser_omp_clause_num_threads,
11154 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11155 c_parser_omp_clause_reduction,
11156 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11157 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11158 c_parser_omp_atomic, c_parser_omp_barrier,
11159 c_parser_omp_critical, c_parser_omp_flush,
11160 c_parser_omp_for_loop, c_parser_omp_for,
11161 c_parser_omp_master, c_parser_omp_ordered,
11162 c_parser_omp_sections_scope, c_parser_omp_sections,
11163 c_parser_omp_parallel, c_parser_omp_single,
11164 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11165 * c-pragma.c (init_pragma): Do omp pragma registration here.
11166 * c.opt (fopenmp): New flag.
11168 2006-01-18 Eric Christopher <echristo@apple.com>
11170 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11171 * config/darwin.h (GOMP_SELF_SPECS): Define.
11173 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11175 * rtl.h: Remove the prototype for reg_alloc.
11177 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11180 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11181 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11182 sjlj and dwarf2 exception handling.
11183 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11184 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11185 * pa/pa.c (function_value): Treat complex and vector types as
11187 (function_arg): Likewise. Only pass scalar floats in the floating
11188 point argument registers.
11189 * pa/t-slibgcc-dwarf-ver: New file.
11190 * pa/t-slibgcc-sjlj-ver: New file.
11191 * pa/t-slibgcc-elf-ver: Delete file.
11193 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11195 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11196 unlikely_test_section_p test.
11198 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11200 * mode-switching.c (optimize_mode_switching): Make it static.
11201 * basic-block.h: Remove the prototype for
11202 optimize_mode_switching.
11204 * modulo-sched.c (sms_schedule): Make it static.
11205 * rtl.h: Remove the prototype for sms_schedule.
11207 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11208 * rtl.h: Remove the prototype for gcse_after_reload_main.
11210 * reg-stack.c (reg_to_stack): Make it static.
11211 * rtl.h: Remove the prototype for reg_to_stack.
11213 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11215 * rtl.h: Remove the prototypes for regrename_optimize and
11216 copyprop_hardreg_forward.
11218 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11220 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11221 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11222 Test against the appropriate null constant for the mode.
11223 If 'fixup_overlap' is true, swap the operands if they overlap.
11224 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11225 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11226 alpha_split_tmode_pair and adjust for above change.
11227 * config/alpha/alpha.md (movtf_internal): Adjust call to
11228 alpha_split_tfmode_pair and rely on it to swap the operands.
11229 (movti_internal): New insn and post-reload splitter.
11230 (movti): New expander.
11232 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11234 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11237 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11239 * rtlanal.c (global_reg_mentioned_p_1,
11240 global_reg_mentioned_p): Remove.
11241 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11243 * flow.c (initialize_uninitialized_subregs): Make it static.
11244 * rtl.h: Remove the prototype for
11245 initialize_uninitialized_subregs.
11247 * function.c (instantiate_virtual_regs): Make it static.
11248 * function.h: Remove the prototype for
11249 instantiate_virtual_regs.
11251 * regmove.c (regmove_optimize, combine_stack_adjustments):
11253 * rtl.h: Remove the prototypes for regmove_optimize and
11254 combine_stack_adjustments.
11256 2006-01-17 Roger Sayle <roger@eyesopen.com>
11258 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11259 (size_cost): Encode costs in bytes so that a reg-reg addition is
11260 equivalent to COSTS_N_INSNS(1).
11261 (override_options): Use the size_cost.branch_cost as the default
11262 ix86_branch_cost when optimizing for size.
11264 2006-01-18 Ben Elliston <bje@au.ibm.com>
11266 * Makefile.in (D32PBIT_FUNCS): New.
11267 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11268 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11269 D64PBIT_FUNCS and D128PBIT_FUNCS.
11270 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11271 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11273 (decnumber_dep): Define.
11274 * doc/libgcc.texi (Decimal float library routines): New node.
11275 * config/dfp-bit.h, config/dfp-bit.c: New files.
11277 2006-01-18 Ben Elliston <bje@au.ibm.com>
11279 * expr.c (emit_move_change_mode): Always adjust addresses, not
11280 just during reload. Copy replacements only during reload.
11281 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11282 emit_move_via_integer.
11284 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11286 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11287 instead of $(srcdir) and ${srcdir}.
11289 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11292 PR middle-end/11135
11293 * arm.h (struct machine_function): Add pic_reg.
11294 * arm.c (arm_pic_register): Make unsigned.
11295 (arm_override_options): Only set arm_pic_register if
11296 TARGET_SINGLE_PIC_BASE.
11297 (use_return_insn): Only test for a pic register if it is fixed.
11298 (arm_compute_save_reg0_reg12_mask): Likewise.
11299 (thumb_compute_save_reg_mask): Likewise.
11300 (legitimate_pic_operand): Factor out some known invariants.
11301 (legitimize_pic_address): If we don't have a fixed pic register,
11302 then set up a pseudo in the function entry sequence. Handle the
11303 pic base being in a pseudo.
11304 (arm_load_pic_register): Handle the pic register being in a pseudo.
11305 (arm_expand_prologue): Only set up the pic register if it is fixed.
11306 (thumb_expand_prologue): Likewise.
11307 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11308 (pic_load_addr_based_insn): Likewise.
11309 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11312 2006-01-18 Ben Elliston <bje@au.ibm.com>
11314 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11315 decimal float modes for all floating point registers.
11317 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11318 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11320 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11323 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11324 even when the pointer is not NULL.
11326 2006-01-16 Ian Lance Taylor <ian@airs.com>
11328 * common.opt (ftoplevel-reorder): New option.
11329 * cgraph.c (cgraph_asm_nodes): New global variable.
11330 (cgraph_asm_last_node): New static variable.
11331 (cgraph_order): New global variable.
11332 (cgraph_create_node): Set new order field.
11333 (cgraph_varpool_node): Likewise.
11334 (decide_is_variable_needed): Return true if not
11335 flag_toplevel_reorder.
11336 (cgraph_add_asm_node): New function.
11337 * cgraph.h (struct cgraph_node): Add order field.
11338 (struct cgraph_varpool_node): Add order field.
11339 (struct cgraph_asm_node): Define.
11340 (cgraph_asm_nodes, cgraph_order): Declare.
11341 (cgraph_add_asm_node): Declare.
11342 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11344 (cgraph_varpool_assemble_pending_decls): Call it.
11345 (cgraph_output_pending_asms): New static function.
11346 (cgraph_finalize_compilation_unit): Call it.
11347 (struct cgraph_order_sort): Define.
11348 (cgraph_output_in_order): New static function.
11349 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11350 !flag_toplevel_reorder case.
11351 * c-parser.c: Include "cgraph.h".
11352 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11354 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11355 than -fno-unit-at-a-time.
11356 * doc/invoke.texi (Option Summary): Mention
11357 -fno-toplevel-reorder.
11358 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11359 -funit-at-a-time documentation.
11361 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11362 Kazu Hirata <kazu@codesourcery.com>
11364 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11366 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11368 * Makefile.in (FUNCTION_H): New. Use it instead of
11369 function.h throughout the file.
11370 * function.h: Include tree.h.
11372 2006-01-17 Ben Elliston <bje@au.ibm.com>
11374 * recog.c: Separate some functions with whitespace.
11376 2006-01-16 Richard Henderson <rth@redhat.com>
11378 Merge from gomp branch:
11379 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11380 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11381 and rename from struct inline_data. Rename callee* to dst*;
11382 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11383 transform_new_cfg, transform_return_to_modify, and
11384 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11386 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11387 (copy_decl_for_dup): Remove.
11388 * tree-inline.c (struct inline_data): Move to header.
11389 (insert_decl_map): Export.
11390 (remap_decl): Update for member name changes. Use copy_decl hook.
11391 Allow for replacement to be a non-decl. Remove dead code.
11392 (remap_type_1): Check for existing mapping.
11393 (remap_type): Export.
11394 (remap_decls): Update for member name changes.
11395 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11396 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11397 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11398 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11399 (tree_function_versioning, build_duplicate_type): Likewise.
11400 (copy_body_r): Likewise. Export.
11401 (copy_decl_for_dup): Split into ...
11402 (copy_decl_for_dup_finish, copy_decl_to_var,
11403 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11404 (replace_ref_tree, inlining_p): Remove.
11406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11408 * ifcvt.c (if_convert): Make it static.
11409 * rtl.h: Remove the prototype for if_convert.
11411 * local-alloc.c (local_alloc): Make it static.
11412 * rtl.h: Remove the prototype for local_alloc.
11414 * loop.c (loop_optimize): Make it static.
11415 * cfgloop.h: Remove the prototype for loop_optimize.
11418 2006-01-16 DJ Delorie <dj@redhat.com>
11420 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11423 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11425 * pa.md: Disparage copies between general and floating-point registers
11426 in 32-bit move patterns.
11428 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11431 * Makefile.in (check-%): Depend on site.exp instead of
11432 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11437 * global.c (global_alloc): Make it static.
11438 * rtl.h: Remove the prototype for global_alloc.
11440 2006-01-16 Richard Guenther <rguenther@suse.de>
11442 * tree-ssa-alias.c (struct used_part): Add write_only field.
11443 (get_or_create_used_part_for): Initialize it to true.
11444 (create_overlap_variables_for): Don't create structure variables
11445 for structures that only are written to.
11446 (find_used_portions): Handle MODIFY_EXPR to track whether a
11447 structure is only written to.
11449 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11451 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11453 * basic-block.h: Remove the prototype for
11454 partition_hot_cold_basic_blocks.
11456 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11458 * cppspec.c (lang_specific_spec_functions): Remove.
11459 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11460 * gcc.h (lang_specific_spec_functions): Remove.
11461 * gccspec.c (lang_specific_spec_functions): Remove.
11463 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11465 * combine.c (record_value_for_reg): Invalidate registers
11467 (record_dead_and_set_regs_1): Likewise, by passing them to
11468 record_value_for_reg.
11469 (record_dead_and_set_regs): Invalidate stores made by a
11470 call. We do not combine across a call, but we still
11471 relied on equivalences.
11473 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11475 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11476 vrp_int_const_binop returning non-constant nodes.
11478 2006-01-16 Paul Brook <paul@codesourcery.com>
11480 * config/m68k/m68k.c (output_move_const_into_data_reg):
11481 Output correct mnemonic for mvz and mvs.
11483 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11485 * rtl-factoring.c: Add sequence abstraction algorithm.
11486 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11487 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11489 (block_has_preserve_label): New function.
11490 * common.opt: Register new pass.
11491 * Makefile.in: Ditto.
11493 * timevar.def: Ditto.
11494 * tree-pass.h: Ditto.
11495 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11496 * rtl.h (make_jump_insn_raw): Add forward decl.
11497 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11499 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11500 Roger Sayle <roger@eyesopen.com>
11502 * fold-const.c (fold_minmax): New static function.
11503 (fold_binary) <MIN_EXPR>: Call it.
11504 <MAX_EXPR>: Likewise.
11505 * stor-layout.c (place_field): Use DECL_SIZE consistently
11506 in the computation of the new record size.
11508 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11510 * cse.c (cse_condition_code_reg): Make it static.
11511 * rtl.h: Remove the prototype for cse_condition_code_reg.
11513 * combine.c (combine_instructions): Make it static.
11514 * rtl.h: Remove the prototype for combine_instructions.
11516 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11519 * tree.c (get_file_function_name_long): Concatenate the first global
11520 object name with a string derived from the input filename of the object
11523 2006-01-16 Ben Elliston <bje@au.ibm.com>
11525 * config/i386/winnt-stubs.c: Update FSF address.
11526 * config/xtensa/ieee754-df.S: Ditto.
11527 * config/xtensa/ieee754-sf.S: Ditto.
11529 2006-01-14 Ian Lance Taylor <ian@airs.com>
11531 * ifcvt.c (noce_init_if_info): New static function, broken out of
11532 noce_process_if_block.
11533 (noce_process_if_block): Call noce_init_if_info.
11534 (check_cond_move_block): New static function.
11535 (cond_move_process_if_block): New static function.
11536 (process_if_block): Call cond_move_process_if_block.
11538 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11540 * cselib.c (hash_table): Rename to cselib_hash_table.
11541 (cselib_clear_table, discard_useless_values,
11542 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11543 cselib_init, cselib_finish): Adjust uses of hash_table.
11545 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11547 PR tree-optimization/25485
11548 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11549 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11550 is known to be false and true, respectively.
11552 2006-01-14 Richard Guenther <rguenther@suse.de>
11554 PR tree-optimization/22548
11555 PR tree-optimization/22555
11556 PR tree-optimization/22501
11557 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11558 * params.def (salias-max-array-elements): New parameter.
11559 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11560 * doc/invoke.texi (salias-max-array-elements): Document.
11561 * tree-flow-inline.h (var_can_have_subvars): We also handle
11563 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11565 * tree-ssa-structalias.c (params.h): Include.
11566 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11567 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11568 (get_constraint_for): For ADDR_EXPR operating on something
11569 containing an ARRAY_REF, add all subvars to the solution.
11570 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11571 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11572 for creating MUST_DEFs.
11573 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11575 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11577 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11579 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11580 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11581 number_of_iterations_le): New functions.
11582 (number_of_iterations_special): Removed.
11583 (number_of_iterations_exit): Do not use number_of_iterations_special.
11584 * tree.c (unsigned_type_for): Always return integer type.
11586 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11587 Richard Guenther <rguenther@suse.de>
11589 PR rtl-optimization/24257
11590 * gcse.c (find_moveable_store): Only consider a store movable
11591 when the SET_SRC of the insn can be assigned to a register.
11593 2006-01-14 Ian Lance Taylor <ian@airs.com>
11595 * tree.c (tree_not_class_check_failed): New function.
11596 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11597 (tree_not_class_check_failed): Declare.
11599 2006-01-13 Ian Lance Taylor <ian@airs.com>
11601 * reload1.c (do_output_reload): Add assertion rejecting a
11604 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11606 * combine.c (struct reg_stat): Add new fields truncation_label and
11608 (record_value_for_reg): Reset truncated_to_mode.
11609 (record_truncated_value): New function.
11610 (check_promoted_subreg): Call it. Rename to check_conversions.
11611 (combine_instructions): Rename check_promoted_subreg to
11613 (reg_truncated_to_mode): New function.
11614 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11615 (gen_lowpart_or_truncate): New function.
11616 (force_to_mode): Use it instead of gen_lowpart.
11618 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11620 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11621 VAR is a tag, not its type tag.
11623 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11625 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11626 alternatives to match style of other entries.
11627 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11629 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11631 PR tree-optimization/25771
11632 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11635 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11638 * tree-inline.c (declare_return_variable): If the return variable
11639 was marked as a non gimple complex, set the return slot variable
11640 to be a non gimple comple variable.
11642 2006-01-13 Richard Guenther <rguenther@suse.de>
11644 * builtins.c (expand_builtin_sincos): New function.
11645 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11647 (expand_builtin): Expand sincos using expand_builtin_sincos.
11649 2006-01-12 DJ Delorie <dj@redhat.com>
11651 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11652 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11653 so that constant shifts can be split.
11654 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11655 (m32c_valid_pointer_mode): Make static.
11656 (shift_gen_func_for): New.
11657 (m32c_prepare_shift): Use it. Split large const shifts into
11659 * config/m32c/predicates.md (shiftcount_operand): Allow more
11661 (longshiftcount_operand): New.
11662 * doc/md.texi (Machine Constraints): Document In6.
11664 2006-01-13 Ben Elliston <bje@au.ibm.com>
11666 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11667 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11670 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11672 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11673 to try to avoid clobbering pieces of structures when we know
11674 something about the whole structure.
11675 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11677 2006-01-13 Ben Elliston <bje@au.ibm.com>
11679 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11680 return in memory, as this is no limitation is no longer present.
11682 2006-01-12 DJ Delorie <dj@redhat.com>
11684 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11685 mova with fb, and for fb+0 -> An.
11687 * config/m32c/mov.md (peephole2): Fix enabling logic.
11689 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11690 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11691 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11692 FINI_ARRAY_SECTION_ASM_OP): Define.
11694 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11696 (m32c_legitimize_reload_address): New logic to reload FB to An.
11697 (m32c_output_reg_push): Add newline.
11698 (m32c_output_reg_pop): Likewise.
11700 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11702 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11704 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11706 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11708 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11710 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11713 2006-01-11 Ben Elliston <bje@au.ibm.com>
11715 * rtlanal.c (find_reg_note): Assert insn is not null.
11717 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11719 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11722 2006-01-11 Jeff Law <law@redhat.com>
11724 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11726 (mark_threaded_blocks, register_jump_thread): New functions.
11727 (thread_through_all_blocks): Remove unwanted argument. No
11728 longer rely on e->aux to communicate thread target info.
11729 Call mark_threaded_blocks. Release the threaded_blocks
11730 bitmap and threaded_edges vector when complete.
11731 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11732 (threaded_blocks): Remove.
11733 (tree_ssa_dominator_optimize): Remove initialization and
11734 finalization of threaded_blocks. Simplify call to
11735 thread_through_all_blocks.
11736 (thread_across_edge): Call register_jump_thread rather than
11737 storing thread information into e->aux.
11738 (free_all_edge_infos): Simplify now that e->aux is no longer
11739 used to communicate with thread_through_all_blocks.
11740 * tree-flow.h (thread_through_all_blocks): Update prototype.
11741 (register_jump_thread): Prototype.
11743 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11745 * df-core.c (df_compact_blocks, df_bb_replace): Use
11746 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11748 2006-01-11 Richard Guenther <rguenther@suse.de>
11750 PR tree-optimization/25734
11751 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11752 stop propagation after successful propagation to the LHS.
11754 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11756 * basic-block.h (control_flow_graph): Change the type of
11757 x_basic_block_info to VEC(basic_block,gc) *.
11758 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11760 (SET_BASIC_BLOCK): New.
11761 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11762 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11763 * cfgbuild.c (find_basic_blocks): Likewise.
11764 * cfglayout.c (fixup_reorder_chain): Likewise.
11765 * cfgrtl.c (create_basic_block_structure,
11766 rtl_create_basic_block): Likewise.
11767 * ifcvt.c (find_if_case_1): Likewise.
11768 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11771 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11773 * Makefile.in: Removed rotted odf.c entry.
11775 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11778 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11779 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11780 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11781 output pattern modifier, not %e.
11782 * config/cris/cris.c (cris_op_str): Update comment about pattern
11784 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11785 before falling through into...
11786 <case 'E'>: Redefined from old 'e' case.
11788 2006-01-11 Jan Hubicka <jh@suse.cz>
11791 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11793 2006-01-11 Jan Hubicka <jh@suse.cz>
11795 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11796 * i386.c (x86_decompose_lea): Kill.
11797 (ix86_rtx_costs): Kill.
11799 2006-01-11 Jan Hubicka <jh@suse.cz>
11801 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11802 * cgraph.h (cgraph_node): Add inline_decl.
11803 (cgraph_insert_node_to_hashtable): Declare.
11804 (save_inline_function_body): Declare.
11805 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11807 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11808 (cgraph_function_versioning): Update call of tree_function_versioning.
11809 (save_inline_function_body): New function.
11810 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11811 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11812 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11813 (cgraph_default_inline_p): Likewise.
11814 (cgraph_decide_inlining_incrementally): Likewise.
11815 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11816 (copy_bb): Kill saving; do updating of clones.
11817 (copy_cfg_body): Kill saving.
11818 (initialize_inlined-parameters): Likewise.
11819 (expand_call_inline): Likewise.
11821 (tree_function_versioning): New parameter "update_clones".
11822 (inlining_p): Kill saving.
11823 * tree-inline.h (tree_function_versioning): Update prototype.
11824 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11827 2006-01-11 Ian Lance Taylor <ian@airs.com>
11829 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11830 Allow undoing set of machine mode.
11831 (do_SUBST): Use enums instead of is_int.
11832 (do_SUBST_MODE): New function.
11833 (SUBST_MODE): New macro.
11834 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11835 reg and trying to replace reg_regno_rtx with a new register.
11836 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11837 (simplify_set): Use SUBST_MODE.
11838 (distribute_notes): Remove code that tried to update reg notes
11839 for regno_reg_rtx changes.
11841 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11843 PR tree-optimization/23109
11844 PR tree-optimization/23948
11845 PR tree-optimization/24123
11847 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11848 * tree-cfg.c (single_noncomplex_succ): New.
11849 * tree-flow.h (single_noncomplex_succ): Declare it.
11850 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11851 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11852 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11853 insert_bb, register_division_in, insert_reciprocals,
11854 replace_reciprocal, free_bb): New.
11855 (execute_cse_reciprocals_1): Rewritten.
11856 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11857 Do not commit any edge insertion. Always compute dominators and
11858 create the allocation pool.
11859 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11860 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11861 * targhooks.c (default_min_divistions_for_recip_mul): New.
11862 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11863 * passes.c (init_optimization_passes): Run recip after tree loop
11865 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11867 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11868 Kenneth Zadeck <zadeck@naturalbridge.com>
11870 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11871 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11872 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11873 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11874 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11875 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11876 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11877 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11878 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11879 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11880 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11881 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11882 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11883 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11884 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11885 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11886 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11887 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11888 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11889 DF_SCAN_POST_ALLOC): New macros.
11890 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11891 df_free_bb_function, df_local_compute_function, df_init_function,
11892 df_dataflow_function, df_confluence_function_0,
11893 df_confluence_function_n, df_transfer_function,
11894 df_finalizer_function, df_free_function, df_dump_problem_function,
11895 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11896 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11897 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11898 df_urec_bb_info, ) New types.
11899 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11901 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11902 df_analyze_simple_change_some_blocks,
11903 df_analyze_simple_change_one_block, df_compact_blocks,
11904 df_bb_replace, df_bb_regno_last_use_find,
11905 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11906 df_insn_regno_def_p, df_find_def, df_find_use,
11907 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11908 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11909 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11910 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11911 debug_df_chain, df_get_dependent_problem, df_chain_create,
11912 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11913 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11914 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11915 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11916 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11917 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11918 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11919 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11920 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11921 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11922 df_reorganize_refs, df_set_state, df_hard_reg_init,
11923 df_read_modify_subreg_p) New public functions.
11924 * df-core.c: The core dataflow solver and glue routines for rtl
11926 (df_init, df_add_problem, df_set_blocks, df_finish,
11927 df_hybrid_search_forward, df_hybrid_search_backward,
11928 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11929 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11930 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11931 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11932 df_reg_defined, df_find_use, df_reg_used, df_dump,
11933 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11934 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11935 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11936 debug_df_useno, reset_df_after_reload): New functions.
11937 * df-scan.c: The scanning fuctions, once in df.c, completely
11938 rewritten so that they now fully model the functionality of
11939 register usage at the backend.
11940 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11941 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11942 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11943 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11944 df_get_artificial_defs, df_get_artificial_uses,
11945 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11946 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11947 df_refs_delete, df_reorganize_refs, df_set_state,
11948 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11949 df_def_record_1, df_defs_record, df_uses_record,
11950 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11951 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11952 df_record_exit_block_uses, df_hard_reg_init): New functions.
11954 * df-problems.c: Seven concrete dataflow problems that use the
11955 scanning in df-scan.c and are solved by the engine in df-core.c.
11956 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11957 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11958 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11959 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11960 df_ru_free_bb_info, df_ru_alloc,
11961 df_ru_bb_local_compute_process_def,
11962 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11963 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11964 df_ru_transfer_function, df_ru_free, df_ru_dump,
11965 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11966 df_rd_free_bb_info, df_rd_alloc,
11967 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11968 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11969 df_rd_transfer_function, df_rd_free, df_rd_dump,
11970 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11971 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11972 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11973 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11974 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11975 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11976 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11977 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11978 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11979 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11980 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11981 df_urec_mark_reg_use_for_earlyclobber,
11982 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11983 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11984 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11985 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11986 df_chain_create_bb_process_use, df_chain_create_bb,
11987 df_chain_finalize, df_chain_free, df_chains_dump,
11988 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11989 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11990 df_reg_lifetime): New functions.
11991 * df.c: Deleted file.
11992 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11993 consistent with new df api.
11994 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11995 rest_of_handle_sms): Ditto.
11996 * web.c (unionfind_union, union_defs, entry_register, web_main):
11998 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11999 invariant_expr_equal_p, find_defs, check_dependencies,
12000 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12001 free_inv_motion_data, move_loop_invariants): Ditto.
12002 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12003 Update dependencies.
12004 (odf.c): Added defective entry that was deleted later in day.
12005 * sched-deps.c (sched_analyze_1): Ditto.
12007 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12009 * tree-ssa-operands.c (get_expr_operands): Record addressable
12010 variables directly. Do not call add_stmt_operands for CONST_DECLs
12012 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12013 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12015 2006-01-11 Ben Elliston <bje@au.ibm.com>
12017 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12018 function returns true in the positive case.
12020 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12023 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12024 for SI, DI, SF and DF modes. Add alternatives to copy between
12025 general and floating point registers to the 32-bit patterns.
12026 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12027 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12028 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12029 generating 64-bit code.
12030 * config/pa/pa.c (output_move_double): Handle copies between general
12031 and floating registers.
12033 2006-01-10 Stuart Hastings <stuart@apple.com>
12035 * config/i386/i386.md (set_got): Update.
12036 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12037 (builtin_setjmp_receiver): Mach-O support.
12038 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12039 (GOT_SYMBOL_NAME): Define.
12040 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12041 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12042 * config/i386/i386.c (override_options): Revise for Darwin.
12043 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12044 support. (darwin_x86_file_end): New. (output_set_got): Add label
12045 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12046 * config/i386/i386-protos.h (output_set_got): Likewise.
12047 * config/darwin.c (machopic_legitimize_pic_address): Update
12050 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12052 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12053 when MODE isn't BLKmode.
12055 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12057 PR rtl-optimization/25367
12058 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12060 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12063 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12064 for a negative bound.
12066 2006-01-10 Richard Guenther <rguenther@suse.de>
12068 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12069 Never override with anything constraint.
12071 2006-01-10 Jan Beulich <jbeulich@novell.com>
12073 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12074 256 bits when optimize_size.
12076 2006-01-10 Jan Beulich <jbeulich@novell.com>
12078 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12080 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12081 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12084 2006-01-10 Ben Elliston <bje@au.ibm.com>
12086 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12088 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12090 (USE_FP_FOR_ARG): Reject decimal float modes.
12091 (function_arg_advance): Likewise.
12092 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12093 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12094 point types in AltiVec vectors.
12095 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12096 (rs6000_libcall_value): Likewise.
12098 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12100 * config/xtensa/ieee754-df.S: New file.
12101 * config/xtensa/ieee754-sf.S: New file.
12102 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12103 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12104 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12106 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12108 * config/sh/predicates.md (binary_float_operator,
12109 binary_logical_operator, commutative_float_operator,
12110 equality_comparison_operator, greater_comparison_operator,
12111 less_comparison_operator, logical_operator,
12112 noncommutative_float_operator, shift_operator,
12113 symbol_ref_operand, unary_float_operator): Remove redundant
12116 2006-01-09 Jeff Law <law@redhat.com>
12118 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12119 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12120 now unused arguments. Callers updated.
12121 (eliminate_redundant_computations): Remove now unused arguments,
12123 (local_fold): Remove, no longer used.
12124 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12126 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12127 (simplify_cond): New function.
12128 (forward_propagate_into_cond): Call simplify_cond.
12130 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12132 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12133 (*vec_extractv2di_1_sse): New.
12135 2006-01-09 Ben Elliston <bje@au.ibm.com>
12137 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12139 2006-01-08 Richard Guenther <rguenther@suse.de>
12141 * tree-ssa-structalias.c (get_constraint_for): Remove
12142 anyoffset argument.
12143 (get_constraint_for_component_ref): Likewise.
12144 (do_deref): Likewise.
12145 (get_constraint_for): Likewise.
12146 (do_structure_copy): Likewise.
12147 (handle_ptr_arith): Likewise.
12148 (find_func_aliases): Likewise. Remove unused need_anyoffset
12151 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12152 Kaz Kojima <kkojima@gcc.gnu.org>
12154 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12155 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12156 (EXTRA_CONSTRAINT_C16): Remove.
12157 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12158 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12159 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12160 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12161 constants of SHmedia. Handle nested constant expressions of
12163 (andcosts): Fix the costs for SHmedia constants.
12164 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12165 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12166 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12167 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12168 (movv4hi_i, movv2si_i): Likewise.
12169 (movsi_const): Adjust the second operand of ior so to match with
12170 the Csu constraint.
12171 (movdi_const, movdi_const_32bit): Likewise.
12172 (movdi_const_16bit+1): Don't sign-extend LOW.
12173 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12175 (*double_shori): Fix the split condition. Use GEN_INT instead
12176 of get_int_mode calls. Mask lower 16-bit of the argument of
12178 (sym2GOTPLT): Remove.
12179 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12181 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12182 instead of EXTRA_CONSTRAINT_C16.
12184 2006-01-07 Ian Lance Taylor <ian@airs.com>
12185 David Edelsohn <edelsohn@gnu.org>
12187 PR rtl-optimization/25662
12188 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12189 for constant operands instead of simplify_gen_binary.
12190 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12191 after trying simplify_binary_operation
12193 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12195 * tree.c (iterative_hash_expr): Hash decls based on UID.
12197 2006-01-06 Eric Christopher <echristo@apple.com>
12199 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12200 (TARGET_UNWIND_EMIT): Fix spelling.
12201 * target.h (gcc_target): Add except_table_label.
12202 * except.c (output_function_exception_table): Use.
12203 * varasm.c (default_emit_except_table_label): New.
12204 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12206 (asm_out): Add here.
12207 * output.h (default_emit_except_table_label): Prototype.
12208 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12209 * config/darwin.c (darwin_emit_except_table_label): Define.
12210 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12212 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12214 PR tree-optimization/18527
12215 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12216 number_of_iterations_special, number_of_iterations_exit):
12217 Move base and step of an iv to a single structure. Add
12218 no_overflow flag, and use it in # of iterations analysis.
12219 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12220 folded_casts argument.
12221 (simple_iv): Pass base and step in a structure. Set no_overflow
12223 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12224 Evaluate expensiveness of computing # of iterations instead of
12225 the final expression.
12226 * tree-scalar-evolution.h (affine_iv): New structure.
12227 (simple_iv): Declaration changed.
12228 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12229 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12230 find_givs_in_stmt): Changed due to simple_iv change.
12232 2006-01-06 Jeff Law <law@redhat.com>
12235 * tree-cfg.c (bsi_replace): Rename final argument from
12236 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12237 change (stmt -> orig_stmt).
12238 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12239 (bsi_remove): Add new argument. Remove EH information
12241 (verify_eh_throw_table_statements): New function.
12242 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12244 * tree-optimize.c (execute_free_cfg_annotations): Verify
12245 the EH throw statement table after removing annotations.
12246 * except.h (verify_eh_throw_table_statements): Prototype.
12247 * tree-flow.h (bsi_remove): Update prototype.
12248 * tree-vrp.c (remove_range_assertions): Add new argument to
12250 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12251 * tree-complex.c (expand_complex_div_wide): Likewise.
12252 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12253 * tree-tailcall.c (eliminate_tailcall): Likewise.
12254 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12255 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12256 * tree-nrv.c (tree_nrv): Likewise.
12257 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12258 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12259 (combine_blocks): Likewise.
12260 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12261 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12262 (cleanup_control_flow): Likewise.
12263 (remove_forwarder_block): Likewise.
12264 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12265 * tree-sra.c (sra_replace): Likewise.
12266 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12267 (forward_propagate_single_use_vars): Likewise.
12268 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12269 * tree-inline.c (expand_call_inline): Likewise.
12270 * tree-vect-transform.c (vect_transform_loop): Likewise.
12271 * tree-outof-ssa.c (rewrite_trees): Likewise.
12272 * tree-cfg.c (make_goto_expr_edges): Likewise.
12273 (cleanup_dead_labels): Likewise.
12274 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12275 (bsi_move_before, bsi_move_after): Likewise.
12276 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12277 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12279 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12282 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12284 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12285 on non gimple variables. Also add checks at the top for decls and
12287 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12289 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12290 and IMAGPART_EXPR for creating MUST_DEFs.
12291 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12292 and NAME_MEMORY_TAG separately from the DECLs.
12294 2006-01-06 Richard Guenther <rguenther@suse.de>
12296 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12297 annotation, if necessary.
12298 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12299 redundant calls to update_stmt.
12300 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12303 2006-01-05 Richard Henderson <rth@redhat.com>
12305 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12307 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12309 * c-typeck.c: Update copyright date.
12311 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12313 * c-typeck.c (build_c_cast): Always warn when casting
12314 from a pointer to an integer of different size, even if
12315 the node was constant.
12317 2006-01-05 Richard Guenther <rguenther@suse.de>
12319 PR tree-optimization/22555
12320 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12321 if one structure field is an array.
12322 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12323 operands even if we found a subvar, but ignore VOPs in this
12325 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12327 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12329 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12331 PR middle-end/24998
12332 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12334 2006-01-05 Richard Guenther <rguenther@suse.de>
12335 Diego Novillo <dnovillo@redhat.com>
12337 * tree-pass.h (TODO_remove_unused_locals): Define.
12338 * gimple-low.c (expand_var_p, remove_useless_vars,
12339 pass_remove_useless_vars): Remove. Update all users.
12340 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12341 (remove_unused_locals): New function.
12342 * tree-flow.h (remove_unused_locals): Declare.
12343 * passes.c (execute_todo): Call remove_unused_locals if
12344 TODO_remove_unused_locals is set.
12345 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12346 * tree-ssa-dce.c (pass_dce): Likewise.
12347 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12349 2006-01-05 Richard Guenther <rguenther@suse.de>
12351 * tree-flow.h (struct fieldoff): Decompose field to
12352 type, size and decl.
12353 * tree-ssa-alias.c (create_sft): Take type as parameter.
12354 (create_overlap_variables_for): Store type, size and decl
12355 in the fieldoff structure.
12356 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12357 of struct fieldoff.
12358 (push_fields_onto_fieldstack): Likewise.
12359 (create_variable_info_for): Likewise. Use offset for the
12360 SFT name if the decl is not available.
12362 2006-01-04 Paul Brook <paul@codesourcery.com>
12364 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12366 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12368 * lambda-code.c (can_put_in_inner_loop): Relax
12370 (can_put_after_inner_loop): New function.
12371 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12372 (perfect_nestify): Change to make copies and modify uses.
12374 2006-01-04 Richard Henderson <rth@redhat.com>
12376 Merge from gomp branch:
12377 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12378 via integer constant.
12379 (pragma_lex): Remove.
12380 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12381 rather than parsing it.
12382 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12383 handle_pragma_extern_prefix): Add %< %> quotes.
12384 (registered_pragmas): New.
12385 (c_register_pragma_1): New.
12386 (c_register_pragma): Use it.
12387 (c_register_pragma_with_expansion): Likewise.
12388 (c_invoke_pragma_handler): New.
12389 (init_pragma): Use cpp_register_deferred_pragma directly for
12391 * c-pragma.h (enum pragma_kind): New.
12392 (pragma_handler): New.
12393 (c_invoke_pragma_handler): Declare.
12394 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12396 * c-common.h (c_common_pch_pragma): Update decl.
12397 * Makefile.in (c-parser.o): Update dependencies.
12398 (GTFILES): Add c-pragma.h.
12399 * c-parser.c (struct c_token): Add pragma_kind.
12400 (struct c_parser): Add in_pragma.
12401 (c_lex_one_token): Always initialize keyword and pragma_kind.
12402 Extract data for CPP_PRAGMA.
12403 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12404 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12405 Don't allow CPP_PRAGMA_EOL if in_pragma.
12406 (c_parser_consume_pragma): New.
12407 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12408 (c_parser_skip_to_end_of_parameter): Likewise.
12409 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12410 (c_parser_skip_to_pragma_eol): New.
12411 (c_parser_external_declaration): Handle CPP_PRAGMA.
12412 (c_parser_compound_statement_nostart): Likewise.
12413 (c_parser_statement_after_labels): Likewise.
12414 (c_parser_pragma): New.
12415 (pragma_lex): Likewise.
12416 (c_parser_pragma_pch_preprocess): New.
12417 (c_parser_new): Merge into ...
12418 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12420 2006-01-04 Jeff Law <law@redhat.com>
12423 * tree-cfg.c (bsi_replace): Remove the original statement
12424 from the EH throw statement table.
12426 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12428 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12429 make the prototype extern "C" and add throw ().
12432 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12433 and pos non-negative and pos + len <= 32.
12434 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12435 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12436 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12439 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12440 as well as sizes not multiple of component size.
12443 * function.c (instantiate_expr): New function.
12444 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12445 walk its DECL_VALUE_EXPR with instantiate_expr.
12447 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12448 DW_OP_deref{,_size} if address isn't going to be added.
12450 2006-01-04 Ben Elliston <bje@au.ibm.com>
12452 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12453 * config/fp-bit.c: Likewise.
12455 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12457 * dominance.c: Add comment about why we use DFS numbering
12460 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12461 Richard Henderson <rth@redhat.com>
12463 Merge from gomp-branch:
12464 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12465 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12467 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12469 PR rtl-optimization/25578
12470 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12471 pass a parameter to simplify_shift_const if changing ASHIFTRT
12474 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12476 * builtins.c (get_builtin_sync_mem): New function.
12477 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12478 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12479 Call get_builtin_sync_mem to generate mem rtx.
12481 2006-01-03 Richard Guenther <rguenther@suse.de>
12484 * stmt.c (add_case_node): Make sure to clear overflow flags
12487 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12489 Merge from gomp-branch.
12490 * config/sparc/sync.md: New file.
12491 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12492 UNSPECV_LDSTUB): New constants.
12493 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12494 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12495 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12498 2006-01-03 Roger Sayle <roger@eyesopen.com>
12500 * combine.c (reg_subword_p): New predicate to test whether the
12501 destination of a set refers to a subword/piece of a register.
12502 (try_combine): Generalize the code to merge the setting of a
12503 pseudo to a constant followed by a set of a subword of that
12504 register to a constant.
12506 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12508 * basic-block.h (control_flow_graph): Change the type of
12509 x_label_to_block_map to VEC(basic_block,gc) *.
12510 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12511 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12513 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12514 VEC(basic_block,heap) *.
12515 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12516 ssa_prop_fini): Adjust the uses of cfg_blocks.
12518 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12520 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12522 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12523 hashing trees instead of a pointer hash.
12524 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12525 compare for MEM_EXPR.
12527 PR rtl-optimization/25130
12528 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12529 when comparing MEMs for GCSE
12531 2006-01-03 Ben Elliston <bje@au.ibm.com>
12533 * targhooks.h (default_decimal_float_supported_p): Declare.
12534 * targhooks.c (default_decimal_float_supported_p): Define.
12535 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12536 `default_decimal_float_supported_p'.
12537 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12539 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12541 * combine.c (apply_distributive_law <SUBREG>): Check
12542 TRULY_NOOP_TRUNCATION.
12544 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12546 * dwarf2out.c (have_switched_text_section): Delete.
12547 (have_multiple_function_sections): New.
12548 (have_location_lists): Make 'bool'.
12549 (add_AT_loc_list): Use 'true' not '1'.
12550 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12551 (output_loc_list): Use have_multiple_function_sections.
12552 (output_ranges): Likewise.
12553 (dwarf2out_begin_function): Set have_multiple_function_sections if
12555 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12556 Check function_section rather than DECL_SECTION_NAME.
12557 (dwarf2out_finish): Use have_multiple_function_sections.
12558 Don't clear have_location_lists.
12560 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12561 Jan Hubicka <jh@suse.cz>
12563 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12564 case of conditional jump jumping to the next instruction.
12565 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12566 cases of conditional jump jumping to the next instruction.
12568 2006-01-02 Jan Hubicka <jh@suse.cz>
12570 * i386.c (*_cost): Add COSTS_N_INSNS.
12571 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12573 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12576 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12578 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12580 * config/arm/arm.c (all_fpus): Fix comment typo.
12581 * config/darwin.c: Likewise.
12582 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12583 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12584 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12586 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12588 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12589 (rs6000_split_compare_and_swapqhi): New.
12590 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12591 (sync_compare_and_swapqhi_internal): New.
12592 * config/rs6000/rs6000-protos.h: Declare.