1 2006-07-23 Jan Hubicka <jh@suse.cz>
5 * cgraph.c (cgraph_varpool_nodes): Export.
6 (decide_is_variable_needed): Ignored "used" attribute in
8 * cgraph.h (cgraph_varpool_nodes): Declare.
9 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
12 2006-07-23 Roger Sayle <roger@eyesopen.com>
15 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
16 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
17 the __gthrw form of thr_keycreate.
18 (__gthread_key_delete): Silence the unused argument warning.
20 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
23 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
24 Cache the last found '\0' marker to avoid quadratic behavior.
26 2006-07-23 Jan Hubicka <jh@suse.cz>
28 * i386.md (subsi_3_zext): Fix output template.
30 2006-07-21 Mike Stump <mrs@apple.com>
32 * doc/invoke.texi (C++ Dialect Options): Note that
33 -fvisibility-inlines-hidden doesn't affect explicitly
34 instantiationed inline methods.
36 2006-07-20 Roger Sayle <roger@eyesopen.com>
38 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
39 if the target assembler is GNU binutils' gas.
40 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
41 whether to pass GNU gas or native as command line options.
43 2006-07-20 Jason Merrill <jason@redhat.com>
45 * tree.c (remove_attribute): New fn.
48 2006-07-20 Paul Brook <paul@codesourcery.com>
51 * cse.c (cse_insn): Add destination addresses to hash table. Check if
52 they are invalidated by this instruction.
54 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
57 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
59 2006-07-20 Eric Christopher <echristo@apple.com>
62 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
64 2006-07-19 Eric Christopher <echristo@apple.com>
66 * config/t-slibgcc-darwin (stmp-lipo): Remove.
67 Rewrite dependencies for libgcc_s.1.dylib.
69 2006-07-19 Jakub Jelinek <jakub@redhat.com>
71 * except.c (duplicate_eh_regions_1): Clear next_peer.
73 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
75 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
76 -mlongcall does not guarantee all calls will be long.
77 * doc/extend.texi (long_call/short_call): Document that longcall
78 does not guarantee a long call will be used.
79 (longcall/shortcall): Likewise.
81 2006-07-18 Roger Sayle <roger@eyesopen.com>
84 * expmed.c (expand_shift): Additionally check that the shift_cost
85 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
86 before implementing a LSHIFT_EXPR as a sequence of additions.
87 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
88 middle-end that DImode shifts need to be synthesized by expand.
90 2006-07-18 Diego Novillo <dnovillo@redhat.com>
93 * tree-ssa-operands.c (access_can_touch_variable): Update
95 Return true if ALIAS is .GLOBAL_VAR.
97 2006-07-18 David Daney <ddaney@avtrex.com>
99 * gcc.c (display_help): Fix typo in help text.
101 2006-07-18 Olivier Hainque <hainque@adacore.com>
103 * tree.h (categorize_ctor_elements): Adjust prototype and add
104 descriptive comment, both in accordance with the interface change
106 * varasm.c (constructor_static_from_elts_p): New function.
107 Whether a constructor node is a valid static constant initializer
108 if all its elements are.
109 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
110 * output.h: Declare it.
111 * expr.c (categorize_ctor_elements_1): Return whether the constructor
112 is a valid constant initializer instead of computing the number of
113 non-constant elements. Use constructor_static_from_elts_p for this
114 purpose. Replace the head comment with an indication that this is a
115 helper for categorize_ctor_elements.
116 (categorize_ctor_elements): Same interface change as for the _1
117 helper. Former head comment from this helper moved here, adjusted to
118 account for the interface changes.
119 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
120 (all_zeros_p): Likewise.
121 * gimplify.c (gimplify_init_constructor): Decide whether we can make
122 static versions of the constructor from the categorize_ctor_elements
123 return value instead of the formerly computed number of non-constant
126 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
128 * configure: Regenerate.
129 * Makefile.in (build_libsubdir): New configure substitution
130 (build_libobjdir): New variable.
131 (BUILD_LIBIBERTY): Use it.
133 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
136 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
138 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
141 * c-common.c (handle_weakref_attribute): Ignore attribute in
142 the same conditions the alias attribute is ignored.
144 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
146 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
147 (dbxout_begin_prologue): Increment scope_labelno.
149 2006-07-17 Richard Henderson <rth@redhat.com>
152 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
155 2006-07-17 Roger Sayle <roger@eyesopen.com>
156 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
158 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
159 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
160 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
161 functions such as sbrk, write, etc.. Add function prototypes.
162 Convert function declarations from K&R to ISO C. Cast pointers
163 to "long" and "unsigned long" instead of "int" and "unsigned int".
164 Convert tokens following #endif into comments.
166 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
168 * invoke.texi: Remove mention of f77; Reformat table for
169 inline parameter options correctly; mention that -malign-double
170 is default on x86-64 targets.
172 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
174 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
175 (convert_affine_scev, chrec_convert_aggressive): Use
176 avoid_arithmetics_in_type_p. Do not check for the subtypes
179 2006-07-17 Richard Sandiford <richard@codesourcery.com>
182 * optabs.c (expand_doubleword_shift): Wrap the call to
183 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
185 2006-07-17 Richard Sandiford <richard@codesourcery.com>
188 * optabs.c (expand_binop): Pass next_methods rather than methods
189 to expand_doubleword_shift.
191 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
194 * tree.h (dump_addr): Declare.
195 * print-tree.c (dump_addr): New function.
196 (print_node_brief, print_node): Use it.
197 * print-rtl.c (print_rtx): Likewise.
198 * common.opt (-fdump-noaddr): New option.
199 * doc/invoke.texi (-fdump-noaddr): Document.
200 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
201 (ve_info_hash): Likewise.
203 2006-07-13 Andrew Haley <aph@redhat.com>
205 PR tree-optimization/19505
206 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
207 edge leaving this block, make sure that the destination of this
208 block has only one predecessor.
210 2006-07-17 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/28238
213 * tree-inline.c (copy_bb): Check if we produced valid
214 gimple copying and substituting a stmt. If not, gimplify
217 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
219 * optabs.c (maybe_encapsulate_block): New function extracted from...
220 (emit_libcall_block): ...here. Invoke it on the block of insns to
221 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
222 (emit_no_conflict_block): Likewise.
224 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
226 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
228 2006-07-15 Roger Sayle <roger@eyesopen.com>
230 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
231 a new NOP_EXPR case of the switch statement.
233 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
236 * stor-layout.c (place_field): Take the bit field with
237 an excessive size into account in the ms-bitfiled case.
240 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
241 the previous bit field.
243 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
246 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
248 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
250 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
251 signal frames correctly even when the signal was installed with
254 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
256 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
257 (dbxout_function_end): Use local label LFBB. Remove hook
259 (dbxout_source_line): Use local label LFBB.
260 (dbxout_block): Likewise.
261 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
262 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
263 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
266 2006-07-13 Janis Johnson <janis187@us.ibm.com>
268 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
270 2006-07-13 Jan Hubicka <jh@suse.cz>
272 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
274 * output.h (align_variable): Declare.
275 * varasm.c (align_variable): Export.
276 * value-prof.c (tree_value_profile_transformations): Recompute iterator
277 when basic block changed.
279 2006-07-13 Nick Clifton <nickc@redhat.com>
281 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
282 walking the LOG_LINKS chain.
284 2006-07-12 Geoffrey Keating <geoffk@apple.com>
286 * doc/invoke.texi (C++ Dialect Options): Explain difference
287 between -fvisibility-inlines-hidden and setting hidden
288 visibility explicitly.
290 2006-07-12 Eric Christopher <echristo@apple.com>
292 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
293 (stmp-lipo): Depend on libgcc.a.
295 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
297 * tree.c: Fix a comment typo.
299 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
301 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
303 (umulhisi3_r): Likewise.
305 2006-07-12 Paolo Carlini <pcarlini@suse.de>
308 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
309 x < 19, vs wchar_t support.
311 2006-07-12 Nick Clifton <nickc@redhat.com>
313 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
316 2006-07-12 Mike Stump <mrs@apple.com>
318 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
320 2006-07-10 Eric Christopher <echristo@apple.com>
322 * config/t-slibgcc-darwin: Rewrite.
324 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
327 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
330 2006-07-08 Matthias Klose <doko@debian.org>
332 * doc/sourcebuild.texi: Fix typo.
334 2006-07-07 Mike Stump <mrs@apple.com>
336 * toplev.c (process_options): Don't give -ffunction-sections may
337 affect debugging warning for Mach-O.
339 2006-07-07 James E Wilson <wilson@specifix.com>
341 * config/mips/mips.md (cpu): Add sb1a.
342 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
343 addition to sb1. Adjust comments to clarify SB-1A differences from
345 (ir_sb1a_load): New. Modify bypasses to use it.
346 (ir_sb1a_simple_alu): Likewise.
347 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
348 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
349 (mips_issue_rate): Add PROCESSOR_SB1A.
350 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
351 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
352 (TARGET_SB1): Add PROCESSOR_SB1A check.
353 (TUNE_SB1): Likewise.
355 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
356 * config/mips/mips.c (mips_store_data_bypass_p): New.
357 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
360 2006-07-08 Paul Brook <paul@codesourcery.com>
363 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
365 2006-07-07 Richard Guenther <rguenther@suse.de>
368 * tree.h (build_one_cst): Declare.
369 * tree.c (build_one_cst): New function.
370 * tree-ssa-math-opts.c (get_constant_one): Remove.
371 (insert_reciprocals): Use build_one_cst.
372 * fold-const.c (fold_plusminus_mult): Likewise.
374 2006-07-07 Roger Sayle <roger@eyesopen.com>
376 * pointer-set.c (pointer_set_destroy): Correct whitespace.
377 * cfgloopanal.c (dump_graph): Likewise.
378 * dojump.c (discard_pending_stack_adjust): Likewise.
379 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
381 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
382 * function.c (finalize_block_changes): Likewise.
383 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
384 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
385 * rtl.c (dump_rtx_statistics): Likewise.
386 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
388 * varray.c (dump_varray_statistics): Likewise.
389 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
390 decode_decimal64, encode_decimal128, decode_decimal128,
391 decimal_real_to_decimal): Likewise.
393 2006-07-07 Richard Guenther <rguenther@suse.de>
395 PR tree-optimization/28187
396 * tree-vrp.c (vrp_operand_equal_p): New function.
397 (vrp_bitmap_equal_p): Likewise.
398 (update_value_range): Use them to compare old and new
401 2006-07-06 Roger Sayle <roger@eyesopen.com>
403 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
404 a default case to switch statement to silence compiler warnings.
406 2006-07-06 Roger Sayle <roger@eyesopen.com>
409 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
410 the configured assembler supports the x87's ffreep mnemonic.
411 * configure: Regenerate.
412 * config.in: Regenerate.
414 * config/i386/i386.c (output_387_ffreep): New function.
415 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
416 (output_387_reg_move): Likewise.
418 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
420 Port to hosts whose 'sort' and 'tail' implementations
421 treat operands with leading '+' as file names, as POSIX
422 has required since 2001. However, make sure the code still
423 works on pre-POSIX hosts.
424 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
425 which says you should use "tail -c +N" rather than "tail +Nc".
426 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
428 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
430 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
433 2006-07-06 David Edelsohn <edelsohn@gnu.org>
436 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
437 PRE_{INC,DEC} of TFmode.
439 2006-07-06 David Edelsohn <edelsohn@gnu.org>
440 Alan Modra <amodra@bigpond.net.au>
443 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
446 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
449 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
450 Remove duplicate gtu.
452 2006-07-05 Jason Merrill <jason@redhat.com>
456 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
457 * c-common.c (handle_packed_attribute): So don't copy it here.
458 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
460 2006-07-05 Mike Stump <mrs@apple.com>
462 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
464 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
467 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
469 2006-07-05 Richard Guenther <rguenther@suse.de>
472 * config/i386/i386.md (*negdf2_1): Restrict pattern to
473 TARGET_SSE2 targets if using SSE math.
474 (*absdf2_1): Likewise.
476 2006-07-05 Richard Guenther <rguenther@suse.de>
478 PR tree-optimization/28162
479 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
480 make sure to convert the operands to the correct type.
482 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
484 PR tree-optimization/28218
486 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
487 to calculate and free the dominator information.
489 2006-07-04 Peter O'Gorman <peter@pogma.com>
491 * mklibgcc.in: chmod 644 before ranlib during install.
493 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
494 J"orn Rennecke <joern.rennecke@st.com>
496 * configure.ac (.eh_frame data check): Use diff -b.
498 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
501 * Makefile.in (BUILD_RTL): Add build/vec.o.
502 (build/gencondmd.o): Filter out -fkeep-inline-functions.
503 (build/genextract): Delete.
504 (build/genautomata): Likewise.
506 2006-07-04 Alan Modra <amodra@bigpond.net.au>
509 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
510 128-bit IBM long doubles for ABI_V4.
512 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
514 * tree.c (range_in_array_bounds_p): New predicate.
515 * tree.h (range_in_array_bounds_p): Declare it.
516 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
517 return a less conservative answer.
518 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
520 (IS_ELEMENT_FOR_GROUP): New macro.
521 (FOR_EACH_ACTUAL_CHILD): Likewise.
522 (next_child_for_group): New helper function.
523 (can_completely_scalarize_p): Take into account groups.
524 (sra_hash_tree): Handle RANGE_EXPR.
525 (sra_elt_eq): Likewise.
526 (lookup_element): Be prepared for handling groups.
527 (is_valid_const_index): Delete.
528 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
529 instead of is_valid_const_index.
530 <ARRAY_RANGE_REF>: New case.
531 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
532 is_valid_const_index.
533 <ARRAY_RANGE_REF>: Do not unconditionally punt.
534 (scan_dump): Dump info for groups too.
535 (decide_instantiation_1): Likewise.
536 (decide_block_copy): Assert that the element is not a group.
537 Propagate decision to groups.
538 (generate_one_element_ref): Handle RANGE_EXPR.
539 (mark_no_warning): Iterate over actual childs.
540 (generate_copy_inout): Likewise.
541 (generate_element_copy): Likewise.
542 (generate_element_zero): Likewise.
543 (generate_element_init_1): Likewise.
544 (dump_sra_elt_name): Handle RANGE_EXPR.
546 2006-07-03 Roger Sayle <roger@eyesopen.com>
548 PR tree-optimization/26251
549 * tree-ssa-threadupdate.c (redirection_block_p): New function.
550 (thread_block): When optimizing for size refuse to thread jumps
551 that would require duplication of blocks other than redirection
554 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
556 * configure.ac: Fix thinko in previous check-in.
557 * configure: Regenerate.
559 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
562 * configure.ac (for lang...): Simplify nesting of conditionals.
563 Test subdir_requires for non-enabled languages. Move processing
564 of lang_opt_files and lang_tree_fiels below that test.
565 * configure: Regenerate.
566 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
568 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
570 * doc/gcov.texi (Invoking Gcov): Add a missing word.
572 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
574 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
577 2006-06-29 Jason Merrill <jason@redhat.com>
584 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
585 * c-common.c (c_determine_visibility): Handle it here.
586 * c-decl.c (finish_decl): Call c_determine_visibility for
588 * flags.h (enum symbol_visibility): Sort from most to least visibility.
590 * varasm.c (default_assemble_visibility): Likewise.
591 * c-common.c (handle_visibility_attribute): Complain about trying
592 to give visibility to an already defined class, or trying to change
593 declared visibility. Always attach the attribute.
598 * attribs.c (decl_attributes): Ignore type-in-place attributes
599 once the type has been defined.
601 2006-06-29 Roger Sayle <roger@eyesopen.com>
604 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
605 to indicate the cpplib has issued an error message for us.
607 2006-06-29 Asher Langton <langton2@llnl.gov>
610 * config/i386/i386.c (ix86_output_function_epilogue): Don't
611 insert a label at the end of an function under Mach-O.
613 2006-06-29 Eric Christopher <echristo@apple.com>
614 Evan Cheng <evan.cheng@apple.com>
616 * predicates.md (vector_all_ones_operand): New.
617 (nonimmediate_or_sse_const_operand): Ditto.
618 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
619 * config/i386/i386.c (standard_sse_constant_opcode): Define.
620 (standard_sse_mode_p): Ditto.
621 (standard_sse_constant_p): Add case for -1 vector.
622 (ix86_expand_vector_move): Try to use.
623 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
624 Call standard_sse_constant_opcode.
625 (*movv4sf_internal): Ditto.
626 (*movv2df_internal): Ditto.
628 2006-06-29 Roger Sayle <roger@eyesopen.com>
630 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
631 of XEXP to extract the operands of a MATCH_CODE rtx.
633 2006-06-28 Andrew Pinski <pinskia@gmail.com>
635 * tree.c (tree_size): Do not waste tail padding in
636 struct tree_string and make the size be the same as
637 build_string will generate.
639 2006-06-28 Jason Merrill <jason@redhat.com>
642 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
643 may_aliases already in the tag's annotations to the bitmap.
645 2006-06-28 Roger Sayle <roger@eyesopen.com>
647 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
649 2006-06-28 Roger Sayle <roger@eyesopen.com>
651 * genpreds.c (generate_switch_p): New function.
652 (add_mode_tests): Push the new mode test down inside an AND expr
653 if this allows the switch-suitable MATCH_CODE to be near the root.
654 (write_match_code_switch): New function to write a MATCH_CODE as
656 (write_predicate_stmts): New function to write a predicate RTX
657 expression as a sequence of statements.
658 (write_one_predicate_function): Use write_predicate_stmts.
659 (write_tm_constrs_h): Likewise.
661 2006-06-26 Fred Fish <fnf@specifix.com>
663 * config/mips/t-sb1: New file.
664 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
667 2006-06-26 DJ Delorie <dj@redhat.com>
669 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
671 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
672 Jayant Sonar <jayants@kpitcummins.com>
673 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
675 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
676 (subsi3, subsi3_1, subsi3_2): New.
677 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
678 * config/m32c/mov.md (SI mov peephole): New.
679 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
680 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
682 2006-06-26 Olivier Hainque <hainque@adacore.com>
684 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
685 a CALL_EXPR target function declaration.
687 2006-06-26 Richard Guenther <rguenther@suse.de>
689 * tree.c (build_string): Do not waste tail padding in
692 2006-06-26 Richard Guenther <rguenther@suse.de>
694 * ggc-page.c (init_ggc): Add missing element to size_lookup
698 2006-06-23 Richard Guenther <rguenther@suse.de>
700 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
701 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
702 alignment requests instead. Add verification code.
703 Add struct tree_function_decl and struct tree_binfo size to
704 extra_order_size_table. Add missing element to size_lookup
707 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
710 * fold-const.c (const_binop): Be prepared for self returning zero.
711 Simplify code handling complex values.
713 2006-06-24 Olivier Hainque <hainque@adacore.com>
715 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
716 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
719 2006-06-24 Olivier Hainque <hainque@adacore.com>
721 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
722 ARRAY_REF, so have the callback called for the low bound expression.
724 2006-06-23 Janis Johnson <janis187@us.ibm.com>
726 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
727 * c-typeck.c (c_common_type): Disallow operations on decimal float
728 types and other float types.
729 * convert.c (convert_to_real): Don't ignore conversions involving
732 2006-06-23 Olivier Hainque <hainque@adacore.com>
734 * tree.c (max_int_size_in_bytes): New function, inspired from
735 code in function.c:assign_temp.
736 * tree.h (max_int_size_in_bytes): Declare.
737 * function.c (assign_temp): Use it.
738 * gimplify.c (create_tmp_var): Relax the assertions on the type
739 properties, not mandating constant size any more.
740 (force_constant_size): New static function.
741 (gimple_add_tmp_var): Use it, forcing variable size to a
742 constant upper bound if it is not constant on entry.
744 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
747 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
748 for initialization and setting of one_only flag to ...
749 (i386_pe_encode_section_info): ...here.
750 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
751 Recheck that the symbol has not been defined.
753 2006-06-23 Richard Guenther <rguenther@suse.de>
755 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
756 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
757 alignment requests instead. Add verification code.
758 Add struct tree_function_decl and struct tree_binfo size to
759 extra_order_size_table. Add missing element to size_lookup
762 2006-06-22 Roger Sayle <roger@eyesopen.com>
763 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
766 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
767 call to lang_hooks.types.type_for_mode returned NULL_TREE.
769 2006-06-23 Ben Elliston <bje@au.ibm.com>
771 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
772 negate dn -- manipulate it directly.
774 2006-06-22 Roger Sayle <roger@eyesopen.com>
775 Steven Bosscher <stevenb.gcc@gmail.com>
778 * reload1.c (gen_reload): Call mark_jump_label on the new insns
779 generated by gen_move_insn to add REG_LABEL notes if necessary.
781 2006-06-22 Bob Wilson <bob.wilson@acm.org>
783 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
784 (leaf_entry): Remove use of MIN_ESA.
786 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
788 PR rtl-optimization/28121
789 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
792 2006-06-21 DJ Delorie <dj@redhat.com>
794 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
796 (mulhisi3_r): Likewise.
798 2006-06-21 Richard Sandiford <richard@codesourcery.com>
801 * coverage.c (coverage_counter_alloc): Leave the index type
803 (coverage_counter_alloc): Use null arguments for operands 2 and 3
806 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
808 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
809 section from the "Options for Code Generation Conventions".
811 2006-06-21 Richard Henderson <rth@redhat.com>
815 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
817 (global_symbolic_operand): Allow weak symbols, even if local_p.
819 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
821 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
822 (find_interesting_uses_address): Punt if above function returns true.
824 2006-06-21 Richard Guenther <rguenther@suse.de>
826 * configure: Regenerated.
828 2006-06-21 Joseph Myers <joseph@codesourcery.com>
830 * config/mips/mips.c (function_arg): Where one part of a
831 complex argument is in registers and the other part in the stack,
832 return a REG not a PARALLEL.
834 2006-06-21 Mark Mitchell <mark@codesourcery.com>
836 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
837 when cross-compiling. Do not substitute libstdcxx_incdir.
838 * configure: Regenerated.
840 2006-06-21 Jakub Jelinek <jakub@redhat.com>
842 * varasm.c (mergeable_string_section): Check for embedded NULs and
843 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
844 rather than TREE_STRING_LENGTH bytes.
846 2006-06-21 Richard Guenther <rguenther@suse.de>
848 * ggc-page.c (extra_order_size_table): Add var_ann_d,
849 tree_ssa_name, bitmap_element and phi_node with 4 arguments
852 2006-06-21 Richrad Guenther <rguenther@suse.de>
854 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
855 Limit iteration over the dominators.
857 2006-06-20 Roger Sayle <roger@eyesopen.com>
859 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
860 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
862 2006-06-20 Richard Guenther <rguenther@suse.de>
863 Michael Matz <matz@suse.de>
865 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
867 * alloc-pool.c (free_alloc_pool_if_empty): New function.
868 * et-forest.h (et_free_pools): Prototype new function.
869 * et-forest.c (et_free_tree_force): Free parent occurrence.
870 (et_free_pools): New function.
871 * dominance.c (free_dominance_info): Free et-forest alloc
874 2006-06-20 Roger Sayle <roger@eyesopen.com>
876 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
877 integer modes, attempt to directly construct an integer constant.
879 * fold-const.c (native_encode_vector): Determine the size of each
880 element from the vector type instead of the first vector element.
882 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
883 if all of its elements/components are constant.
884 (build_constructor_from_list): Likewise.
886 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
888 PR tree-optimization/27331
889 * tree-data-ref.c (free_data_ref): New function.
890 (create_data_ref): Fail if the data reference has unknown access
892 (free_data_refs): Use free_data_ref.
894 2006-06-19 Andrew Pinski <pinskia@gmail.com>
897 * tree-inline.c (setup_one_parameter): Strip useless
898 type conversion before adding it to the IR.
899 (declare_return_variable): Likewise.
901 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
904 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
906 2006-06-19 Mike Stump <mrs@apple.com>
908 * tree.c (variably_modified_type_p): VM arguments don't make the
911 2006-06-19 Richard Guenther <rguenther@suse.de>
913 * tree-ssa-pre.c (try_combine_conversion): Strip useless
914 type conversions after folding.
916 2006-06-19 Richard Guenther <rguenther@suse.de>
918 * ggc-page.c (extra_order_size_tab): Add entries with
919 size of struct function and basic_block.
920 (size_lookup): Extend to cover sizes up to 511.
921 (ggc_alloc_stat): Adjust user.
922 (ggc_pch_count_object): Likewise.
923 (ggc_pch_alloc_object): Likewise.
924 (ggc_pch_write_object): Likewise.
926 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
928 * tree-ssa-loop-niter.c (implies_ge_p): New function.
929 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
932 2006-06-19 Denis Chertykov <denisc@overta.ru>
934 * config/avr/libgcc.S : Correct my wrong previous commit.
936 2006-06-19 Roger Sayle <roger@eyesopen.com>
939 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
940 have stripped a SUBREG from the shift count, so we may need to
941 convert_to_mode back to the type's mode before calling make_tree.
942 Use new_amount instead of amount to avoid expanding a tree twice.
944 2006-06-19 Richard Guenther <rguenther@suse.de>
947 * fold-const.c (operand_equal_p): Check if the argument types
948 have the same precision before stripping NOPs.
950 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
952 Fix PR tree-optimization/27341
953 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
955 * tree-complex.c (pass_lower_complex): Update SMT usage.
957 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
959 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
960 Add a new alternative to the constraint strings. Add move of
961 operand 1 to 3 to the splitter definition.
962 ("doloop_si_long"): Second contraint alternative removed.
964 2006-06-08 Anatoly Sokolov <aesok@post.ru>
966 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
967 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
969 (AVR_HAVE_MOVW) Define.
970 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
971 (ASM_SPEC): Add avr25.
972 (LINK_SPEC): Add avr25.
973 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
974 (base_arch_s): Add new member 'have_movw_lpmx'.
975 (avr_arch_types): Init 'have_movw_lpmx'.
976 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
977 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
978 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
979 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
980 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
982 (avr_file_start): Do not output '.arh' derective.
983 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
984 (__do_copy_data): Use __AVR_HAVE_LPMX__.
985 * config/avr/avr.md (mcu_enhanced): Delete.
986 (mcu_have_movw): Define.
987 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
988 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
989 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
990 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
991 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
992 attiny861 and at86rf401 devices.
994 2006-06-18 Jie Zhang <jie.zhang@analog.com>
996 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
999 2006-06-17 Karl Berry <karl@gnu.org>
1001 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1002 doc/gccint.texi, doc/install.texi (@dircategory): Use
1003 "Software development" instead of "Programming", following
1004 the Free Software Directory.
1006 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1008 * config/i386/i386.c (legitimate_tls_address)
1009 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1010 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1011 (*tls_dynamic_gnu2_combine_64): Likewise.
1013 2006-06-16 Richard Guenther <rguenther@suse.de>
1016 * fold-const.c (negate_expr_p): Do not introduce undefined
1017 overflow in negating INTEGER_CSTs.
1018 (fold_negate_expr): Rename from negate_expr. Revert last
1019 change for folding BIT_NOT_EXPR. Change semantics to
1020 return NULL_TREE for non-simplified negations. Do not
1021 strip type conversions and unify type handling.
1022 (negate_expr): New function, wrap around fold_negate_expr
1023 but ensure building a tree always. Strip type conversions
1024 here, fold to result type.
1025 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1027 2006-06-16 Roger Sayle <roger@eyesopen.com>
1030 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1031 that (would) return their results in stack registers.
1033 2006-06-16 Michael Matz <matz@suse.de>
1034 Richard Guenther <rguenther@suse.de>
1036 * fold-const.c (fold_truthop): Only return new tree node if
1037 we canonicalized something.
1039 2006-06-16 Richard Guenther <rguenther@suse.de>
1041 * function.h (enum function_frequency): Move declaration
1042 out of struct function.
1043 (struct function): Move bool fields and the enum to the bitfield
1044 section. Reorder elements to avoid padding. Remove unused
1045 fields left over from the RTL inliner removal.
1046 * function.c (free_after_compilation): Do not zero removed fields.
1047 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1048 (ipa-type-escape.o): Likewise.
1050 2006-06-16 Richard Guenther <rguenther@suse.de>
1052 * cgraph.h (struct cgraph_local_info): Turn bool elements
1054 (struct cgraph_node): Likewise.
1055 (struct cgraph_varpool_node): Likewise.
1057 2006-06-15 Richard Guenther <rguenther@suse.de>
1059 * fold-const.c (fold_truth_not_expr): Rename from
1060 invert_truthvalue. Give it fold_* semantics to avoid
1062 (invert_truthvalue): New function. Wrapper around
1063 fold_truth_not_expr.
1064 (optimize_minmax_comparison): Avoid creating garbage.
1065 (fold_unary): Use fold_truth_not_expr for folding
1067 (fold_ternary): Replace uses of invert_truthvalue with
1068 fold_truth_not_expr where applicable.
1069 * tree.h (fold_truth_not_expr): Prototype.
1071 2006-06-16 Richard Guenther <rguenther@suse.de>
1073 PR tree-optimization/27781
1074 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1075 * ipa-pure-const.c (target.h): Include.
1076 (analyze_function): Do not analyze functions that do not
1079 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1082 * tree-dfa.c (referenced_vars_dup_list): Remove.
1083 (find_referenced_vars): Remove assert.
1084 (referenced_var_check_and_insert): Replace dup list with assert.
1085 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1086 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1088 2006-06-15 Richard Guenther <rguenther@suse.de>
1090 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1091 extra unused identifiers if not dumping.
1092 (create_variable_info_for): Likewise.
1094 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1096 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1097 (derive_constant_upper_bound): Derive more precise upper bound in
1098 common cases. Return type changed to double_int.
1099 (record_estimate): Reflect the changed return type of
1100 derive_constant_upper_bound.
1101 * double-int.c (double_int_zext, double_int_sext): Fix.
1103 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1105 * configure.ac (CFLAGS): Get them from the toplevel or from the
1106 configure invocation.
1107 * configure: Regenerate.
1108 * Makefile.in (CFLAGS): Substitute value provided by configure.
1110 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1113 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1114 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1115 rather than calling add_stmt on it.
1116 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1118 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1121 * reload1.c (reload): Remove registers returned by update_eliminables
1122 from used_spill_regs.
1124 2006-06-13 DJ Delorie <dj@redhat.com>
1126 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1128 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1130 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1131 html__strip_dir, html__mkdir_p. Enhance install-html target.
1132 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1133 * configure: Regenerate.
1135 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1137 * fold-const.c (fold_cond_expr_with_comparison): Check for
1138 Objective-C++ as language in deciding COND_EXPR transformation.
1140 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1143 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1144 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1145 * config/sh/lib1funcs.h (SL, SL1): Define.
1146 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1147 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1148 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1149 (OBJS_Os_4_200): New variable.
1150 ($(T)libgcc-Os-4-200.a): Use it.
1151 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1152 when dividing 1 and/or by 0.
1154 2006-06-13 Roger Sayle <roger@eyesopen.com>
1156 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1157 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1158 * configure: Regenerate.
1160 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1162 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1163 for real instruction.
1165 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1168 * haifa-sched.c (check_cfg): Handle special case.
1170 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1173 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1174 Add debug_info parameter. Chain the vars to the BLOCK instead
1175 of the BIND_EXPR if debug info are requested for them.
1176 (pop_gimplify_context): Adjust for above change.
1177 (gimple_add_tmp_var): Likewise.
1178 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1180 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1181 (convert_local_reference): Likewise.
1182 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1183 (finalize_nesting_tree_1): Request that debug info be emitted
1184 for debug_var_chain.
1186 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1188 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1189 for PR target/27863.
1191 2006-06-13 Richard Guenther <rguenther@suse.de>
1194 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1196 2006-06-13 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/27830
1199 * tree-inline.c (copy_body_r): For copying the operand
1200 of an ADDR_EXPR make sure to fold &* afterwards.
1202 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1204 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1205 lvalues in the fb_none case with side-effects.
1207 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1209 * tree-flow.h: Remove the prototype for
1210 compute_phi_arg_on_exit.
1211 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1212 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1215 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1217 * builtins.c (expand_builtin_return_addr): Only use
1218 frame_pointer_rtx when count == 0 and we are expanding
1219 __builtin_return_address.
1221 2006-06-12 Fred Fish <fnf@specifix.com>
1223 * config/mips/mips.c (mips_file_start): Create special section
1224 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1226 2006-06-11 Eric Christopher <echristo@apple.com>
1229 * stor-layout.c (place_field): Remove check for
1230 remaining_in_alignment when aligning at the end of a run.
1232 2006-06-11 Eric Christopher <echristo@apple.com>
1235 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1238 2006-06-11 Roger Sayle <roger@eyesopen.com>
1241 Revert incorrect fix for PR target/27158
1242 2006-05-08 Roger Sayle <roger@eyesopen.com>
1243 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1244 of a reg_equiv_constant if the result is a legitimate constant.
1246 2006-06-11 Roger Sayle <roger@eyesopen.com>
1249 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1250 extract a CONST_VECTOR element and interpret it as an integer.
1251 (vspltis_constant): Use const_vector_elt_as_int instead of the
1252 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1253 * config/rs6000/predicates.md (easy_vector_const): Consider
1254 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1256 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1259 * stor-layout.c (update_alignment_for_field): Don't add extra
1260 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1263 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1265 * config/mips/t-rtems: Add EL/EB multilib variants.
1267 2006-06-09 Mike Stump <mrs@apple.com>
1269 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1271 2006-06-09 David Daney <ddaney@avtrex.com>
1273 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1275 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1277 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1279 2006-06-09 Richard Guenther <rguenther@suse.de>
1281 PR tree-optimization/26998
1282 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1283 of signed types, only TYPE_MIN_VALUE is special, but for both,
1284 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1285 in this case, as is -fwrapv.
1287 2006-06-08 Mike Stump <mrs@apple.com>
1290 * config/darwin.c (darwin_asm_output_anchor): Disable
1291 -fsection-anchors on darwin for now.
1292 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1293 * rs6000/rs6000.c (optimization_options): Likewise.
1295 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1298 * config/i386/i386.c (classify_argument): Skip fields with invalid
1301 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1303 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1304 (cse_insn): Likewise for the stack_pointer_rtx.
1306 2006-06-08 Roger Sayle <roger@eyesopen.com>
1308 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1309 conditions from floating point comparisons.
1311 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1314 * expmed.c (struct alg_hash_entry): Fix type of field T
1315 to match synth_mult argument.
1316 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1318 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1321 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1324 2006-06-08 Richard Guenther <rguenther@suse.de>
1327 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1328 only, if overflow is defined and not trapping.
1329 (negate_expr): Likewise.
1331 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1333 PR tree-optimization/27872
1334 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1335 flag on the new exit edge of the unrolled loop.
1337 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1339 PR rtl-optimization/26449
1340 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1342 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1345 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1346 referenced_variables with matching DECL_UID's.
1347 (find_referenced_vars): Make sure duplicate list is empty to start.
1348 (referenced_var_p): Remove.
1349 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1350 Check if var is in the list, and add if needed. Update the duplicate
1351 list if a different var is in the list with the same DECL_UID.
1352 (add_referenced_var): Call routine to check and insert.
1353 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1354 * tree-flow.h (referenced_vars_dup_list): External declaration.
1356 2006-06-07 Fred Fish <fnf@specifix.com>
1358 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1361 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1364 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1365 the imaginary and real parts of a clobbered register.
1366 Emit insn to set the imaginary part.
1368 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1370 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1371 in lieu of unwind-dw2-fde.c.
1373 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1375 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1377 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1380 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1381 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1382 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1383 V4SImode temporaries and operations instead.
1385 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1387 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1390 2006-06-06 Mike Stump <mrs@apple.com>
1392 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1393 installing during build.
1395 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1397 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1399 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1400 * config/ia64/ia64.c (params.h): New header.
1401 (ia64_optimization_options): New function to adjust parameters.
1402 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1403 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1404 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1406 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1408 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1410 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1413 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1415 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1416 Victor Kaplansky <victork@il.ibm.com>
1418 PR tree-optimization/26360
1419 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1422 2006-06-04 Roger Sayle <roger@eyesopen.com>
1423 Andrew Pinski <pinskia@physics.uc.edu>
1426 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1427 for LABEL_DECL before calling DECL_WEAK.
1430 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1431 LABEL_DECL and PARM_DECL.
1433 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1437 * c-decl.c (grokdeclarator): Disallow variably modified types at
1438 file scope. Avoid marking shared array type of constant size as
1441 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1444 * c-common.c (fold_offsetof_1): Handle static members.
1446 2006-06-04 Eric Christopher <echristo@apple.com>
1448 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1449 (debug_rli): Output value for remaining_in_alignment.
1450 (update_alignment_for_field): Unconditionalize
1451 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1452 extra alignment code.
1453 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1454 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1455 * tree.h (record_layout_info_s): Remove prev_packed.
1456 * doc/extend.texi (ms_struct): Add documentation of format.
1458 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1460 * tree.h: Declare folding_initializer.
1461 * builtins.c (fold_builtin_constant_p): Give definite answer
1462 if folding inside an initializer.
1463 * fold-const.c: Define folding_initializer.
1464 (START_FOLD_INIT): Save and then set folding_initializer.
1465 (END_FOLD_INIT): Restore folding_initializer.
1467 2006-06-04 Richard Guenther <rguenther@suse.de>
1469 PR tree-optimization/27039
1470 * fold-const.c (fold_comparison): Handle pointer comparison
1471 again for all comparison codes. Compare offsets in signed
1473 (fold_binary): Move code from here.
1475 2006-06-03 Roger Sayle <roger@eyesopen.com>
1478 * config/i386/i386.c (construct_container): Split static issued_error
1479 flag into issued_sse_arg_error, issued_sse_ret_error and
1480 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1481 requires the use of x87 registers and the user explicitly
1482 specified the -mno-80387 command line option.
1484 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1486 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1487 HAVE_DECL_SIGALTSTACK.
1489 (segv_handler): Use MC_FLD.
1490 * configure.ac: Check for a sigaltstack declaration.
1491 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1492 * configure: Regenerate.
1493 * config.in: Regenerate.
1495 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1498 * Makefile.in (stmp-fixinc): Fix typo.
1500 2006-06-02 Roger Sayle <roger@eyesopen.com>
1502 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1503 are type correct. Clean-up.
1504 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1505 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1507 2006-06-01 DJ Delorie <dj@redhat.com>
1509 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1510 shift, as we've disabled the "switch" insn that needs it.
1512 2006-06-01 Per Bothner <bothner@bothner.com>
1514 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1515 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1516 * c-ppoutput.c (cb_define): Don't increment line 0.
1518 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1520 * doc/invoke.texi: Add cpu_type power6.
1521 * config.gcc: Add cpu_type power6.
1522 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1523 to power5+ with Altivec.
1524 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1525 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1527 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1529 * config/avr/avr.h (SET_ASM_OP): Define.
1531 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1533 * config/bfin/bfin.c: Fix comment typos.
1535 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1538 * doc/install.texi: Document --enable-bootstrap and
1539 --disable-bootstrap.
1541 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1543 * doc/install.texi: Document that InfoZIP can replace jar.
1545 2006-05-31 Roger Sayle <roger@eyesopen.com>
1547 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1548 isn't available, directly generate the simpler x87 patterns without
1549 the (use (const_int 0)).
1550 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1551 implementation isn't available.
1552 (*negdf2_1): Likewise.
1553 (*negxf2_1): XF mode negation is always done using the x87.
1554 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1556 2006-05-31 Roger Sayle <roger@eyesopen.com>
1558 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1559 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1561 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1563 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1565 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1566 * config/bfin/bfin.c (basic-block.h): Include.
1567 (struct machine_function): New.
1568 (bfin_init_machine_status): New.
1569 (override_options): Initialize init_machine_status.
1570 (bfin_hardware_loop): New.
1571 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1572 (DEF_VEC_P (loop_info)): New.
1573 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1574 (struct loop_info): New.
1575 (loop_info): New typedef.
1576 (struct loop_work): New.
1577 (loop_work): New typedef.
1578 (DEF_VEC_O (loop_work)): New.
1579 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1580 (bfin_dump_loops): New.
1581 (bfin_bb_in_loop): New.
1582 (bfin_scan_loop): New.
1583 (bfin_optimize_loop): New.
1584 (bfin_reorg_loops): New.
1585 (bfin_reorg): Use bfin_reorg_loops.
1586 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1588 (I_REGNO_P): Simplify.
1589 (DP_REGNO_P, DPREG_P): New macros.
1590 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1591 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1592 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1593 Add LT_REGS, LC_REGS, LB_REGS.
1594 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1596 (REGNO_REG_CLASS): Deal with loop registers.
1597 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1599 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1600 New constants for loop registers.
1601 (UNSPEC_LSETUP_END): New.
1602 (seq_insns): New define_attr. Set it for appropriate insns.
1603 (movsi_insn): Add alternatives for move from/to
1604 loop count registers.
1605 (doloop_end): New define_expand.
1606 (loop_end): New define_insn.
1607 (define_split for bad doloop_end): New.
1608 (lsetup_with_autoinit): New define_insn.
1609 (lsetup_without_autoinit): New define_insn.
1610 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1611 * config/bfin/predicates.md (lc_register_operand): New.
1612 (lt_register_operand): New.
1613 (lb_register_operand): New.
1614 (nondp_register_operand): New.
1615 (nondp_reg_or_memory_operand): New.
1616 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1618 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1620 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1621 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1623 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1625 * Makefile.in (CATALOGS): Add po/ prefix.
1626 * configure: Regenerated.
1628 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1631 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1632 a shift operand before calling shift_op. Avoid redundant call of
1635 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1636 DJ Delorie <dj@redhat.com>
1638 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1639 we're inserting is a singlt-bit constant.
1641 2006-05-30 Roger Sayle <roger@eyesopen.com>
1643 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1644 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1646 2006-05-30 Roger Sayle <roger@eyesopen.com>
1648 PR tree-optimization/23452
1649 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1650 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1651 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1652 complex values and with -ffast-math for FP complex values.
1654 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1656 * c-common.h: Remove the prototype for yyparse.
1657 * rtl.h: Remove the prototype for init_loop.
1659 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1661 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1664 2006-05-30 Roger Sayle <roger@eyesopen.com>
1666 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1668 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1669 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1671 2006-05-30 Dirk Mueller <dmueller@suse.de>
1674 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1675 for CONSTANT_CLASS_P expresisons.
1677 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1680 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1682 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1684 PR tree-optimization/27779
1685 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1686 initial_condition instead of CHREC_LEFT.
1688 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1690 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1691 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1692 Make prototypes ISO C90.
1694 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1695 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1697 * see.c (see_analyze_one_def): Correct check.
1698 (see_get_extension_data): Check if extension is parallel.
1699 (see_get_extension_reg): Likewise.
1701 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1704 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1705 into register for (code == GTU).
1707 2006-05-29 Roger Sayle <roger@eyesopen.com>
1709 PR tree-optimization/24964
1710 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1711 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1712 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1713 abs(x)*abs(x) as x*x for scalar floating point modes.
1715 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1718 * lambda-code.c (perfect_nestify): Don't copy statements
1719 in the inner loop: move them to the inner loop header.
1721 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1724 * c-tree.texi: Document OpenMP directives and clauses.
1726 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1728 * varasm.c (globalize_decl): Fix indentation.
1730 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1733 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1734 pass_fre, pass_store_ccp, pass_copy_prop,
1735 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1736 pass_return_slot, pass_object_size, pass_lim,
1737 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1738 pass_loop_prefetch and pass_stdarg.
1740 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1742 * config/bfin/bfin.opt (mfdpic): New option.
1743 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1744 (EXTRA_MULTILIB_PARTS): Likewise.
1745 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1746 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1748 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1749 (CRT_CALL_STATIC_FUNCTION): New.
1750 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1752 (CRT_CALL_STATIC_FUNCTION): New.
1753 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1755 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1756 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1757 (initialize_trampoline): Changed to handle FD-PIC code generation.
1758 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1759 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1760 (override_options): Disallow -mid-shared-library -mfdpic combination.
1761 Can't do unaligned ops if FD-PIC.
1762 Turn off flag_pic if trying to generate non-id-shared-library
1763 non-fdpic code, since it's not supported.
1764 (bfin_assemble_integer): New function.
1765 (TARGET_ASM_INTEGER): Define.
1766 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1768 * config/bfin/crtn.s: Restore them.
1769 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1771 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1772 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1773 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1774 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1775 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1777 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1778 FDPIC_REGS and FDPIC_FPTR_REGS.
1779 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1780 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1781 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1782 (load_funcdescsi): New pattern.
1783 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1784 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1785 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1787 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1789 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1792 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1794 * tree-flow.h: Remove the prototype for add_type_alias.
1795 * tree-ssa-alias.c (add_type_alias): Remove.
1797 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1799 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1800 config/fr30/fr30.md, config/i386/i386-interix.h,
1801 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1802 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1803 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1804 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1805 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1806 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1807 Follow spelling conventions.
1808 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1809 Follow spelling conventions.
1811 2006-05-27 Richard Guenther <rguenther@suse.de>
1814 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1815 to produce a constant of value 1 of generic type.
1817 2006-05-27 Dirk Mueller <dmueller@suse.de>
1819 * cgraphunit.c (decide_is_function_needed): Fix wrong
1822 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1824 PR rtl-optimization/27661
1825 * reload.c (find_reloads): When reloading a VOIDmode constant
1826 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1827 use Pmode as mode of the reload register.
1829 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1831 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1832 is enabled at -O and above.
1834 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1837 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1840 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1843 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1844 for anonymous variables explicitly declared by front ends.
1846 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1848 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1849 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1850 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1851 ref-all pointers, run a finalization pass for them.
1852 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1853 (finalize_ref_all_pointers): New function.
1854 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1855 regular pointer type to a ref-all pointer type.
1856 (get_tmt_for): Return the special memory tag for ref-all pointers.
1858 2006-05-25 Richard Guenther <rguenther@suse.de>
1861 * fold-const.c (fold_binary): Do not look at the stripped
1862 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1864 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1866 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1867 for LT and GT if the computed range is effectively empty.
1869 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1872 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1873 mips_quad_format formats instead of ieee_single_format,
1874 ieee_double_format and ieee_quad_format formats, respectively.
1876 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1878 PR tree-optimization/27639
1879 PR tree-optimization/26719
1880 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1881 call to scev_probably_wraps_p.
1882 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1883 used_in_pointer_arithmetic_p, convert_step): Removed.
1884 (nowrap_type_p): New function.
1885 (scev_probably_wraps_p): Rewritten.
1886 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1887 chrec_convert if chrec_convert_aggressive might have been used.
1888 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1889 scev_direction): New functions.
1890 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1891 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1892 instead of convert_step.
1893 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1894 (convert_step): Declaration removed.
1895 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1897 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1899 * df-core.c: Added to header comments.
1900 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1901 df_ur_bb_info, df_urec_bb_info): Added comments.
1902 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1903 urec, ri problems): Fixed header comments.
1904 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1905 code from df_rd_transfer_function.
1907 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1909 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1910 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1911 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1913 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1915 * expr.c (undefined_operand_subword_p): New.
1916 (emit_move_multi_word): Do not generate move from undefined bits
1917 of a paradoxical subreg.
1919 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1921 PR rtl-optimization/27736
1922 * combine.c (replaced_rhs_value): New variable.
1923 (combine_instructions): Set it.
1924 (distribute_notes): When distributing a note in replaced_rhs_insn,
1925 check whether the value was used in replaced_rhs_value.
1927 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1930 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1931 add_referenced_var instead of add_referenced_tmp_var.
1932 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1933 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1935 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1936 tree_optimize_tail_calls_1): Use add_referenced_var.
1937 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1938 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1939 Use add_referenced_var.
1940 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1941 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1942 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1943 Use add_referenced_var.
1944 * tree-dfa.c (struct walk_state): Remove.
1945 (find_referenced_vars): Remove walk state and vars_found hash table.
1946 (make_rename_temp): Use add_referenced_var.
1947 (find_vars_r): Pass less parameters to add_referenced_var.
1948 (referenced_var_p): New. Is var in referenced_var hash table.
1949 (referenced_var_insert): Assert var isn't already in hash table.
1950 (add_referenced_var): Don't need walk_state parameter. Add var if it
1951 isn't already in the hash table.
1952 (add_referenced_tmp_var): Remove.
1953 (find_new_referenced_vars_1): Use add_referenced_var.
1954 * tree-ssa-pre.c (create_expression_by_pieces,
1955 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1956 Use add_referenced_var.
1957 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1958 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1959 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1961 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1962 vect_create_data_ref_ptr, vect_create_destination_var,
1963 vect_init_vector, vect_build_loop_niters,
1964 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1965 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1966 Use add_referenced_var.
1967 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1968 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1969 (add_referenced_var): Add prototype.
1970 * tree-ssa-structalias.c (get_constraint_for,
1971 intra_create_variable_infos): Use add_referenced_var.
1973 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1975 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1976 big-endian paradoxical subregs.
1977 * var-tracking.c (struct micro_operation_def): Document that,
1978 for modify micro operations, insn is the subsequent instruction.
1979 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1980 (var_reg_set, var_mem_set): ... new functions.
1981 (add_stores): Record subsequent insn.
1982 (compute_bb_dataflow): Use new functions for MO_USE.
1983 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1984 notes after the insn, and modify notes before the insn known
1985 to be the subsequent one.
1986 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1988 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1991 * config/i386/i386.c (ix86_expand_builtin): Use
1992 gen_sse3_monitor64 for TARGET_64BIT.
1994 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1996 PR rtl-optimization/26375
1997 PR rtl-optimization/26855
1998 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2000 (df_ru_bb_local_compute): Reversed statements and removed bogus
2001 comment explaining why they should be in wrong order.
2002 (df_ru_dump, df_rd_dump): Enhanced debug info.
2003 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2005 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2006 reaching uses and fixed space problem.
2008 2006-05-23 Jan Hubicka <jh@suse.cz>
2010 * cgraphunit.c (decide_is_function_needed): Also nested functions
2011 and functions declared inline can be optimized out at -O0.
2013 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2015 * doc/install.texi (Configuration): Remove reference to CrossGCC
2019 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2022 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2023 ix86_compare_emitted is non-NULL.
2025 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2028 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2031 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2033 PR rtl-optimization/25514
2034 * combine.c (replaced_rhs_insn): New variable.
2035 (combine_instructions): Set replaced_rhs_insn when trying to replace
2036 a SET_SRC with a REG_EQUAL note.
2037 (distribute_notes): Use replaced_rhs_insn when determining the live
2038 range of a REG_DEAD register.
2040 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2041 Anatoly Sokolov <aesok@post.ru>
2043 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2044 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2045 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2046 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2047 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2048 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2049 at90usb647, at90usb1286 and at90usb1287 devices.
2050 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2051 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2053 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2055 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2057 2006-05-22 Richard Guenther <rguenther@suse.de>
2060 2006-01-31 Richard Guenther <rguenther@suse.de>
2061 Paolo Bonzini <bonzini@gnu.org>
2063 * doc/install.texi (--disable-libgcc-math): Document.
2065 2006-05-22 Richard Guenther <rguenther@suse.de>
2068 2006-01-31 Richard Guenther <rguenther@suse.de>
2070 * doc/invoke.texi (-msselibm): Document.
2071 * target.h (expand_library_builtin): New target hook.
2072 * builtins.c (expand_builtin): Use expand_library_builtin.
2073 (default_expand_library_builtin): New function.
2074 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2075 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2076 (link_gcc_math_spec): Declare.
2077 (static_specs): Add link_gcc_math_spec.
2078 * expr.h (default_expand_library_builtin): Declare.
2079 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2080 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2081 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2082 * config/i386/i386.opt (msselibm): New target option.
2083 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2084 (ix86_init_sse_abi_builtins): New function.
2085 (ix86_expand_library_builtin): Likewise.
2086 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2087 (override_options): Handle error conditions wrt -msselibm.
2088 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2089 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2090 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2093 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2096 * c-common.c (self_promoting_args_p): Skip erroneous args.
2099 * c-decl.c (finish_struct): Skip erroneous fields.
2101 2006-05-22 Nick Clifton <nickc@redhat.com>
2103 * config/cris/cris.opt (march): Remove VarExists attribute.
2104 (max-stackframe=): Likewise.
2106 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2108 * doc/rtl.texi: Fix a typo.
2109 * see.c: Fix comment typos.
2111 * tree-ssa-structalias.h (alias_info): Remove num_references.
2113 2006-05-21 Mike Stump <mrs@apple.com>
2115 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2117 (darwin_pragma_options): Use BAD instead.
2118 (darwin_pragma_unused): Likewise.
2119 (darwin_pragma_ms_struct): Likewise.
2121 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2123 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2125 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2127 PR rtl-optimization/27671
2128 * simplify-rtx.c (simplify_relational_operation_1): Fix
2129 simplifications of (eq/ne (xor x y) y) and
2130 (eq/ne (xor x y) x).
2132 PR tree-optimization/26622.
2133 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2136 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2138 * tree-cfg.c: Prune whitespace.
2139 (debug_tree_cfg): Point to correct header containing the
2142 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2145 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2147 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2150 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2151 or sorry count is non zero.
2153 2006-05-20 Andreas Schwab <schwab@suse.de>
2155 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2157 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2158 Kenneth Zadeck <zadeck@naturalbridge.com>
2160 PR rtl-optimization/26855
2162 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2164 (df_scan_alloc): Added code to properly handle multiword hard
2165 registers and add all_blocks parameter.
2166 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2167 code to properly handle multiword hard registers.
2168 (df_rescan_blocks): Added code to remove deleted blocks from
2170 (df_ref_create_structure, df_ref_record): Added code to properly
2172 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2173 and set DF_REF_PARTIAL.
2174 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2175 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2176 (df_scan_add_problem): Added flags parameter.
2177 (df_ref_create_structure): Changed switching structure.
2178 (df_bb_refs_record): Fixed case where duplicate artificial refs
2179 were created. Changed location of flags.
2180 (df_record_entry_block_defs): Added code to make stack pointer
2181 live in entry block. Refined cases where frame pointer is needed.
2182 Changed location of flags.
2183 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2184 (df_set_state): Removed function.
2185 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2186 df_insn_create_insn_record, df_insn_refs_delete,
2187 df_ref_create_structure): Formatting changes.
2188 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2189 df_delete_basic_block): New function.
2190 (df_init): Changed location of flags.
2191 (df_add_problem): Added flags parameter and the way flags are
2193 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2194 debug_df_chain): Improved debugging output.
2195 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2196 (df_refs_chain_dump): Removed df parameter.
2197 (df_iterative_dataflow): Added consistency check.
2198 (df_prune_to_subcfg): Made public.
2199 (df_analyze_problem): Added blocks_to_init parameter and made
2201 (df_ref_record, df_bb_refs_record, df_mark_reg,
2202 df_record_exit_block_uses): Whitespace changes.
2203 (df_dump): Whitespace changes.
2204 * df.h: Some reordering to remove forward references.
2205 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2206 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2207 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2208 (dataflow.flags): New field.
2209 (df.flag): Deleted field.
2210 (df_alloc_function): Added additional bitmap parameter.
2211 (df_dependent_problem_function): New type.
2212 (df_problem.changeable_flags): New field.
2213 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2214 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2215 (df_mw_hardreg): New struct.
2216 (DF_INSN_UID_MWS): New macro.
2217 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2219 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2220 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2221 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2222 (df_set_state): Removed function.
2223 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2224 * df-problems.c (df_chain_dump): Removed df parameter.
2225 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2226 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2228 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2229 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2230 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2231 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2232 DF_REF_MUST_CLOBBER cases.
2233 (df_ru_bb_local_compute_process_def,
2234 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2235 df_lr_bb_local_compute, df_ur_bb_local_compute,
2236 df_chain_create_bb): Made subreg aware.
2237 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2238 df_lr_bb_local_compute, df_lr_bb_local_compute,
2239 df_chain_create_bb): Cleanup to use proper macros.
2240 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2241 code to fixup bitvectors.
2242 (df_ri_alloc): Cleared lifetime.
2243 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2244 df_create_unused_note): New function.
2245 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2246 REG_DEAD and REG_UNUSED notes as well as register information.
2247 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2248 df_chains_dump): Fixed crash if problem was never run.
2249 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2250 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2251 df_ri_add_problem): Processes flags in uniform manner.
2252 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2253 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2254 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2255 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2256 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2257 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2258 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2259 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2260 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2261 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2262 * see.c (see_initialize_data): Ditto.
2263 * final.c (rest_of_clean_state) Added regstack_completed.
2264 * rtl.h (regstack_completed): Ditto.
2265 * reg-stack.c (regstack_completed): Ditto.
2267 2006-05-19 Mike Stump <mrs@apple.com>
2269 * c-tree.h (default_conversion): Remove.
2270 * c-common.h (default_conversion): Add.
2272 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2274 * tree-vrp.c (valid_value_p): New function.
2275 (adjust_range_with_scev): Fail if the value of bound is not
2278 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2280 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2281 (mips_fallback_frame_state): Use syscall numbers to determine
2282 the appropriate li instruction for the current ABI. Only use
2283 __NR_sigreturn for o32.
2285 2006-05-19 Nicolas Setton <setton@adacore.com>
2287 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2288 * langhooks.c (lhd_dwarf_name): New function.
2289 * langhooks-def.h (lhd_dwarf_name): Declare.
2290 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2291 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2292 * ada/misc.c (gnat_dwarf_name): New function.
2293 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2295 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2297 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2299 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2300 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2301 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2302 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2303 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2304 determine the size of Wtype, etc.
2305 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2306 (swfloatfuncs): New variable.
2307 (dwfloatfuncs): Likewise.
2308 (lib2funcs): Remove floating-point conversion functions from
2309 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2310 the set of conversion routines needed. Allow entries to specify
2311 an object name, filename and word size. Update users accordingly.
2312 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2313 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2317 2006-02-08 Roger Sayle <roger@eyesopen.com>
2320 * config/fixtfdi.c: New libgcc source file.
2321 * config/fixunstfdi.c: New source file.
2322 * config/floatditf.c: New source file.
2323 * config/floatunditf.c: New souce file.
2324 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2325 files above instead of config/mips/_tilib.c.
2326 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2328 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2330 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2331 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2333 2006-05-18 Mike Stump <mrs@apple.com>
2335 Fix up vla, vm and [*] sematics.
2341 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2342 (c_vla_unspec_p): Add.
2343 (c_vla_type_p): Add.
2344 * c-decl.c (struct c_scope): Add had_vla_unspec.
2345 (build_array_declarator): Add support for [*].
2346 (grokdeclarator): Likewise.
2347 (grokparms): Likewise.
2348 (get_parm_info): Likewise.
2349 * c-objc-common.c (c_vla_unspec_p): Likewise.
2350 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2351 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2352 typeof when argument is a variably modified type not inside sizeof or alignof.
2353 (c_parser_direct_declarator_inner): Propagate errors.
2354 (c_parser_sizeof_expression): Add support for [*].
2355 (c_parser_parms_declarator): Initialize had_vla_unspec.
2356 (c_parser_parms_list_declarator): Likewise.
2357 * c-typeck.c (c_vla_type_p): Add.
2358 (composite_type): Add support for vla compositing.
2359 (comptypes_internal): Add support for vla compatibility.
2360 (c_expr_sizeof_expr): Evaluate vla arguments.
2361 * tree.c (variably_modified_type_p): Update comment for [*].
2363 2006-05-18 Michael Matz <matz@suse.de>
2366 * config.host: Make assignments to host_xmake_file cumulative.
2367 * config.host (*-darwin*): Test $host, not $target.
2369 2006-05-12 Stuart Hastings <stuart@apple.com>
2371 * config/i386/i386.opt (-mstackrealign): New flag.
2372 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2373 (ix86_handle_cconv_attribute): Emit error when
2374 force_align_arg_pointer attribute collides with too many regparms.
2375 (ix86_function_regparm): Limit regparms when used with
2376 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2377 Support stack-realigning prologue in non-main functions. Emit
2378 warning for nested functions under -mstackrealign, emit error for
2379 nested functions with force_align_arg_pointer attribute.
2380 * doc/extend.texi (force_align_arg_pointer): Document it.
2381 * doc/invoke.texi (-mstackrealign): Document it.
2383 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2385 PR rtl-optimization/27477
2386 * combine.c (try_combine): Don't split a parallel consisting
2387 of two sets into two individual sets if both sets reference
2390 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2392 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2393 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2395 * doc/options.texi (VarExists): Updated.
2397 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2399 * unwind-dw2.c: Add declarations for uw_update_context and
2401 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2402 detected, advance frame state and context once to skip over stub.
2404 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2408 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2409 Call rewrite_into_loop_closed_ssa only when something changed.
2410 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2411 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2412 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2413 Test for perfect_nest_p here. Fix formating.
2414 (replace_uses_equiv_to_x_with_y): Fix formating.
2415 (stmt_uses_op): Removed.
2416 (can_convert_to_perfect_nest): Removed loopivs parameter.
2417 Complete the test by checking the scalar dependences.
2418 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2421 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2424 From Dan Kegel <dank@kegel.com>:
2425 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2427 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2429 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2430 if the element type is variably modified without recursing.
2432 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2435 * tree-loop-linear.c (try_interchange_loops): Test for
2436 no data dependences.
2438 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2440 PR tree-optimization/27548
2441 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2442 range of ssa names that appear on abnormal edges.
2443 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2444 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2446 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2449 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2451 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2454 * tree.h (OMP_PARALLEL_COMBINED): Define.
2455 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2456 (new_omp_context): Add is_combined_parallel argument.
2457 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2458 new_omp_context caller.
2459 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2460 Adjust gimplify_scan_omp_clauses callers.
2461 (omp_is_private): Issue errors if iteration variable is firstprivate
2462 or reduction in the current context.
2463 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2464 on combined parallel workshare constructs.
2466 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2468 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2469 (gcc-options.o): New rule.
2471 * optc-gen.awk: Protect variables for gcc-options.o with
2472 #ifdef GCC_DRIVER/#endif.
2474 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2476 Fix PR tree-optimization/27373
2477 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2478 (forward_propagate_addr_expr): Update call.
2480 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2482 * doc/options.texi: Move the Negative option.
2484 2006-05-16 Richard Guenther <rguenther@suse.de>
2486 PR tree-optimization/22303
2487 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2489 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2490 ccp_fold did not simplify the statement.
2492 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2495 * Makefile.in (GCC_OBJS): New.
2496 (OBJS-common): Add opts-common.o.
2497 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2498 (cpp$(exeext)): Likewise.
2499 (gcc.o): Also depend on opts.h.
2500 (opts-common.o): New.
2502 * common.opt (gcoff): Add Negative(gdwarf-2).
2503 (gdwarf-2): Add Negative(gstabs).
2504 (gstabs): Add Negative(gstabs+).
2505 (gstabs+): Add Negative(gvms).
2506 (gvms): Add Negative(gxcoff).
2507 (gxcoff): Add Negative(gxcoff+).
2508 (gxcoff+): Add Negative(gcoff).
2509 * config/i386/i386.opt (m32): Add Negative(m64).
2510 (m64): Add Negative(m32).
2512 * doc/options.texi: Document the Negative option.
2514 * gcc.c: Include "opts.h".
2515 (main): Call prune_options after expandargv.
2517 * optc-gen.awk: Generate common declarations for all flag
2518 variables in options.c. Output the neg_index field.
2520 * opts.c (find_opt): Moved to ...
2521 * opts-common.c: Here. New file.
2523 * opts.h (cl_option): Add a neg_index field.
2525 (prune_options): Likewise.
2527 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2530 * omp-low.c (expand_omp_parallel): Don't assert
2531 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2532 instead search for it.
2535 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2538 2006-05-16 Andreas Schwab <schwab@suse.de>
2540 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2543 2006-05-15 Roger Sayle <roger@eyesopen.com>
2546 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2547 integer constants other than zero are only legitimate on TARGET_64BIT.
2548 <CONST_VECTOR> Only zero vectors are legitimate.
2549 (ix86_cannot_force_const_mem): Integral and vector constants can
2550 always be put in the constant pool.
2552 2006-05-16 DJ Delorie <dj@redhat.com>
2554 * crtstuff.c (__dso_handle): Set section from
2555 TARGET_LBIGCC_SDATA_SECTION if defined.
2556 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2557 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2559 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2562 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2565 2006-05-16 Ben Elliston <bje@au.ibm.com>
2567 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2569 2006-05-15 Per Bothner <per@bothner.com>
2571 * tree.c: (last_annotated_node): Use source_locus typedef.
2572 This permits bootstrapping with --enable-mapped-location.
2574 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR tree-optimization/26830
2577 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2578 (info_for_ssa_name, current_info_for_ssa_name_age,
2579 blocks_to_update): New variables.
2580 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2581 (clear_ssa_name_info, initialize_flags_in_bb,
2582 mark_block_for_update): New functions.
2583 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2584 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2585 prepare_def_site_for): Use mark_block_for_update.
2586 (mark_def_interesting): Assert that the processed block is marked in
2587 blocks_to_update. Do not take blocks argument.
2588 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2590 (rewrite_update_init_block, rewrite_update_stmt): Only process
2591 blocks with statements to rewrite.
2592 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2593 (update_ssa): Initialize and free blocks_to_update. Do not
2594 clear flags on statements. Do not use blocks bitmap.
2595 * tree.h (SSA_NAME_AUX): Removed.
2596 (struct tree_ssa_name): Removed aux field.
2597 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2599 2006-05-15 Richard Guenther <rguenther@suse.de>
2601 PR tree-optimization/27603
2602 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2603 Do computations in original type.
2605 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2607 * see.c: Code style changes such as redundant paranthesis,
2608 redundant intialization of local variables etc.
2609 (see_main): Declared now as static.
2610 * doc/invoke.texi: Update that -fsee is not enabled by
2613 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2615 * omp-low.c (check_omp_nesting_restrictions): New function.
2616 (scan_omp_1): Call it.
2619 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2620 construct, return *VAR.
2622 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2624 PR rtl-optimization/27406
2625 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2628 2006-05-14 Roger Sayle <roger@eyesopen.com>
2630 PR rtl-optimization/27538
2631 * combine.c (expand_compound_operation): Call gen_lowpart
2632 before calling simplify_shift_const.
2634 2006-05-14 Roger Sayle <roger@eyesopen.com>
2636 PR rtl-optimization/22563
2637 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2638 a fixed width bitfield, always force the intermediates into psuedos.
2640 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2643 * mkconfig.sh: Use operator = instead of == for test.
2645 2006-05-13 Nick Clifton <nickc@redhat.com>
2647 * dwarf2out.c (dbx_reg_number): Check return value from
2648 LEAF_REG_REMAP and only use it if it is valid.
2649 (multiple_reg_loc_descriptor): Likewise.
2651 2006-05-13 Richard Guenther <rguenther@suse.de>
2653 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2656 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2658 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2659 information attached to non-INSNs such as NOTEs.
2660 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2662 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2664 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2666 * config/s390/s390.md: Adjust comment describing On constraint.
2668 2006-05-11 Jan Hubicka <jh@suse.cz>
2670 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2671 to be output at -O0.
2673 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2676 * fold-const.c (size_binop): Move sanity check for arguments to
2677 the beginning of the function.
2680 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2683 2006-05-11 Richard Guenther <rguenther@suse.de>
2686 * fold-const.c (fold_unary): Handle intermediate conversion
2687 to a pointer type like intermediate conversion to an integer
2688 type in folding of (T1)(T2)var to var.
2689 Match the code to the comment in the final conversion for
2690 (T1)(T2)var to (T1)var regarding to type precision. Rather
2691 than disallow T1 being of pointer type, assert that both T1
2692 and var are of pointer type or not. Make sure not to fall
2693 over the frontends lazyness wrt array to pointer decay though.
2695 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2697 * arm.c (arm_struct_value_rtx): Delete.
2698 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2699 (arm_init_cumulative_args): Always initialize nregs to zero.
2701 2006-05-10 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/27532
2704 * tree-object-size.c (plus_expr_object_size): Fix typo.
2706 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2709 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2710 ashrdi_const, ashrdi3): Use a scratch register.
2712 2006-05-10 Richard Guenther <rguenther@suse.de>
2714 PR tree-optimization/27302
2715 * fold-const.c (operand_equal_p): For two comparisons,
2716 try comparison of one comparison code swapped if that yields
2719 2006-05-10 Ben Elliston <bje@au.ibm.com>
2721 * tree-pretty-print.c (pretty_print_string): No need to handle
2722 '\0' as a special character.
2724 * tree.h: Include "hashtab.h".
2725 (iterative_hash_expr): Use hashval_t in its prototype.
2726 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2728 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2731 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2732 (hppa*64*-*-hpux11*): Ditto.
2733 (hppa[12]*-*-hpux11*): Ditto.
2735 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2738 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2740 2006-05-09 Michael Matz <matz@suse.de>
2742 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2743 host_extra_gcc_objs and host_xmake_file.
2744 (<*-*-linux*>): Don't overwrite host_xmake_file.
2745 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2746 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2747 (host_detect_local_cpu): Declare.
2748 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2749 * config/i386/i386.c (override_options): Handle -mtune=native
2751 * config/i386/x-i386: New file.
2752 * config/i386/driver-i386.c: New file.
2753 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2756 2006-05-09 Dirk Mueller <dmueller@suse.de>
2757 Richard Guenther <rguenther@suse.de>
2760 * fold-const.c (fold_read_from_constant_string): Relax check
2761 for matching types to matching modes.
2763 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2765 PR rtl-optimization/27335
2766 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2769 2006-05-08 Chao-ying Fu <fu@mips.com>
2770 Richard Sandiford <richard@codesourcery.com>
2772 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2773 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2774 * config/mips/mips.md (UNSPEC_SCC): New constant.
2775 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2776 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2777 (mips_emit_compare): Use it.
2778 (mips_expand_vcondv2sf): New function.
2780 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2782 Fix PR tree-optimization/27093
2783 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2784 renaming when they become not-used_alone.
2786 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2788 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2789 relocation and relocation stubs.
2791 2006-05-08 Eric Christopher <echristo@apple.com>
2793 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2796 2006-05-08 Jan Hubicka <jh@suse.cz>
2799 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2800 unused static functions are needed.
2802 2006-05-08 Roger Sayle <roger@eyesopen.com>
2805 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2806 of a reg_equiv_constant if the result is a legitimate constant.
2808 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2811 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2812 standard 80387 constants, raise the cost to prevent
2813 compress_float_constant() to generate load from memory.
2815 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2817 * config/arm/constraints.md (c): Fix a typo.
2819 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2822 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2825 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2827 (_mm_mwait): Likewise.
2829 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2831 (sse3_monitor): Make it 32bit only.
2832 (sse3_monitor64): New. 64bit monitor.
2834 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2837 * config/i386/i386.c (classify_argument): Skip fields with invalid
2840 2006-05-07 Richard Guenther <rguenther@suse.de>
2842 PR tree-optimization/27409
2843 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2844 Do not try to find zero-sized subvars.
2846 2006-05-07 Richard Guenther <rguenther@suse.de>
2848 PR tree-optimization/27136
2849 * tree-ssa-loop-niter.c (get_val_for): Correct function
2850 comment, assert requirements.
2851 (loop_niter_by_eval): Stop processing if the iterated
2852 value did not simplify.
2854 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2856 * opts.c (flag_see): remove its setting at -O3.
2858 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2860 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2861 * arm/constraints.md: New file.
2862 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2863 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2864 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2865 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2866 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2867 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2868 * arm.md: Include constraints.md.
2869 (thumb_movsi_insn): Use satisfies_constraint_J.
2870 (movhi, movqi): Use satisfies_constraint_I.
2872 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2874 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2875 for atmeg a645 device.
2877 2006-05-06 Richard Guenther <rguenther@suse.de>
2879 PR tree-optimization/27151
2880 * tree-vect-transform.c (vectorizable_condition): Punt on
2881 values that have a different type than the condition.
2883 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2886 * c-parser.c (c_parser_cast_expression): Only insert casts into
2887 hash table if pointer.
2888 * function.c (used_types_insert_helper): Rename from
2890 (used_types_insert): Call used_types_insert_helper.
2891 * function.h (used_types_insert): Accept only one argument.
2893 2006-05-05 David Edelsohn <edesohn@gnu.org>
2895 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2896 scratch with output modifier.
2898 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2901 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2902 with output modifier.
2904 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2907 * config/mips/mips.c (mips_symbolic_address_p): Return true
2908 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2909 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2911 2006-05-04 Richard Guenther <rguenther@suse.de>
2913 PR tree-optimization/14287
2914 PR tree-optimization/14844
2915 PR tree-optimization/19792
2916 PR tree-optimization/21608
2917 PR tree-optimization/27090
2918 * tree-ssa-pre.c (try_combine_conversion): New function.
2919 (compute_avail): After constructing the value-handle
2920 expression, use try_combine_conversion to combine NOP_EXPRs
2921 with previous value-handle expressions and use the result if it
2924 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2926 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2928 2006-05-04 Jan Hubicka <jh@suse.cz>
2931 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2933 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2935 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2936 that this only matches CONST_INTs. All users changed to VOIDmode
2939 * config/bfin/bfin.c: Include "optabs.h".
2940 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2942 (enum bfin_builtins): Add a number of fractional and vector builtins.
2943 (bfin_init_builtins): Likewise.
2944 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2945 (safe_vector_operand, bfin_expand_binop_builtin,
2946 bfin_expand_unop_builtin): New functions.
2947 (bfin_expand_builtin): Handle the new builtins.
2948 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2951 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2954 * Makefile.in (OBJS-common): Add see.o.
2955 (see.o): Add dependencies.
2956 * common.opt (fsee): New flag for the see optimization was added.
2957 * opts.c (flag_see): Initialized.
2958 * passes.c (init_optimization_passes, pass_see): New pass.
2959 * rtl.h (see_main): Declaration as extern.
2960 * timevar.def (TV_SEE): New.
2961 * tree-pass.h (pass_see): Declaration as extern.
2962 * invoke.texi (-fsee): Document.
2963 * recog.c (validate_simplify_insn): New function.
2964 * recog.h (validate_simplify_insn): Declaration as extern.
2965 * df-problems.c (df_chain_dump): Check for NULL.
2967 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2968 Daniel Berlin <dberlin@dberlin.org>
2970 * cfgrtl.c (insert_insn_bb_end_new): New function.
2971 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2973 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2975 * df.h (struct web_entry): Moved from web.c.
2976 (union_defs): Declaration as extern.
2977 (unionfind_root): Likewise.
2978 (unionfind_union): Likewise.
2979 * web.c (struct web_entry): Moved to df.h.
2980 (unionfind_root): Remove static declaration.
2981 (unionfind_union): Likewise.
2982 (union_defs): Likewise and generalize to use callback function.
2983 (web_main): Update arguments for union_defs function call.
2985 2006-05-04 Richard Guenther <rguenther@suse.de>
2987 PR tree-optimization/26447
2988 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2989 produce SSA_NAME copies before the store stmt to avoid
2990 breaking exception handling.
2992 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2995 * gimplify.c (omp_is_private): If var is shared in some outer context,
2996 return false instead of true. Stop searching on parallel context
2999 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3002 * coverage.c: Use get_gcov_unsigned_t() instead of
3003 unsigned_type_node all over.
3005 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3007 PR tree-optimization/27381
3008 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3009 maintain the same immediate_use links.
3010 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3011 node rather than segfaulting.
3013 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3016 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3017 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3018 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3020 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3022 Fix PR tree-optimization/26626
3023 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3025 * tree-ssa-operands.c (access_can_touch_variable): Allow
3026 typecasting through union pointers.
3028 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3031 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3032 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3033 to find if var will be a global variable even in the nested context.
3034 (omp_copy_decl): Only check for global variable at the end, it might
3035 be overridden in outer contexts.
3036 (scan_sharing_clauses): For global variables don't create a field.
3037 (lower_rec_input_clauses): Do nothing for global shared variables.
3038 Emit a barrier at the end of ILIST if there were any decls in both
3039 firstprivate and lastprivate clauses.
3040 (lower_send_clauses): Do nothing for global variables except for
3043 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3045 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3046 of the correct signedness is returned.
3048 2006-05-02 Jeff Law <law@redhat.com>
3050 PR tree-optimization/27364
3051 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3052 multiply expressions.
3054 2006-05-02 Tom Tromey <tromey@redhat.com>
3056 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3058 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3061 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3062 -mthumb -fPIC are used.
3064 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3065 Joshua Kinard <kumba@gentoo.org>
3068 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3069 with 64-bit pointers.
3071 2006-05-02 Paul Brook <paul@codesourcery.com>
3073 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3075 (create_fix_barrier): Check that a suitable barrier location is
3077 (arm_reorg): Include ftmp->address in allowable range of addresses.
3079 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3082 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3085 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3088 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3089 around RESULT_DECL for result passed by reference.
3090 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3091 * omp-low.c (use_pointer_for_field): Don't look at
3092 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3093 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3094 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3095 time or var for passing by reference for
3096 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3097 TREE_ADDRESSABLE variables when passing by reference.
3099 * omp-low.c (dump_omp_region): Fix output formatting.
3102 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3103 (expand_omp_parallel): Likewise.
3104 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3107 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3108 on statement list containing also constructors and destructors.
3109 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3112 * except.c (duplicate_eh_regions): Fix clearing of
3113 cfun->eh->region_array entries.
3115 2006-05-01 DJ Delorie <dj@redhat.com>
3117 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3119 (gcc_cv_objdump): Likewise.
3120 * configure: Regenerated.
3122 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3125 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3126 templates for case 3 and 4.
3128 2006-05-01 DJ Delorie <dj@redhat.com>
3130 * vec.c: Include bconfig.h when appropriate.
3131 * Makefile.in (build/vec.o): Adjust dependencies.
3132 * mkconfig.sh: Make sure config.h isn't used for build machine
3135 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3137 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3139 (mark_phi_for_rewrite): New function.
3140 (insert_phi_nodes_for, mark_use_interesting): Call
3141 mark_phi_for_rewrite.
3142 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3143 (update_ssa): Initialize and free phis_to_rewrite.
3145 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3147 PR rtl-optimization/27291
3148 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3149 folded to a constant.
3151 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3153 PR tree-optimization/27283
3154 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3155 not whole # of iteration descriptions.
3156 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3157 uses abnormal ssa name.
3158 (niter_for_single_dom_exit): Ditto.
3159 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3160 return just the number of iterations.
3162 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3164 PR tree-optimization/27144
3165 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3166 (record_estimate): Only record constant upper bound.
3167 (infer_loop_bounds_from_undefined): Call
3168 compute_estimated_nb_iterations just once.
3169 (proved_non_wrapping_p): Renamed to ...
3170 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3171 (convert_step_widening, scev_probably_wraps_p): Call
3172 n_of_executions_at_most instead of proved_non_wrapping_p.
3173 (substitute_in_loop_info): Do not replace values in bounds.
3174 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3177 2006-05-01 Richard Henderson <rth@redhat.com>
3180 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3181 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3184 2006-05-01 Roger Sayle <roger@eyesopen.com>
3186 * c-typeck.c (parser_build_binary_op): Don't call the function
3187 unsigned_conversion_warning to spot operand/result type overflow.
3188 (build_binary_op): Instead, call convert_and_check instead of
3189 convert to report the problem when the operands are promoted.
3190 * c-common.c (unsigned_conversion_warning): Make static.
3191 * c-common.h (unsigned_conversion_warning): Delete prototype.
3193 2006-05-01 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/26726
3196 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3198 (find_interesting_uses_address): ... we work around here
3199 by folding INDIRECT_REFs in the substituted base.
3201 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3203 * omp-low.c (dump_omp_region): Add newlines.
3205 2006-04-30 Roger Sayle <roger@eyesopen.com>
3207 * common.opt (Woverflow): New command line option.
3208 * c-common.c (constant_expression_warning): Check warn_overflow.
3209 (overflow_waring): Pass OPT_Woverflow to warning.
3210 (unsigned_conversion_warning): Likewise.
3211 (convert_and_check): Likewise.
3212 * doc/invoke.texi: Document new command line option.
3214 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3216 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3217 TARGET_NO_FP_IN_TOC for section anchors.
3218 (optimization_options): Enable section anchors for all
3219 non-"Objective" languages.
3221 2006-04-28 Eric Christopher <echristo@apple.com>
3223 * config/darwin-c.c (darwin_ms_struct): Move this
3224 (darwin_set_default_type_attributes): and this...
3225 * config/darwin.c: ... here.
3226 * config/darwin.h (darwin_ms_struct): Declare.
3228 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3230 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3232 2006-04-28 Roger Sayle <roger@eyesopen.com>
3235 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3236 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3237 an unsigned HOST_WIDE_INT.
3238 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3240 (really_start_incremental_init): No need to call convert because
3241 bitsize_zero_node is already of type bitsizetype.
3242 (push_init_level): Extract the value of constructor_index as an
3243 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3244 (process_init_element): Likewise.
3246 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3248 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3249 value before passing to make_relative_prefix.
3251 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3254 * builtins.c (expand_builtin_memset): Expand val in original mode.
3256 2006-04-27 Eric Christopher <echristo@apple.com>
3258 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3259 with #ifndef/#endif.
3260 * config/darwin-c.c (darwin_ms_struct): New.
3261 (darwin_pragma_ms_struct): Ditto.
3262 (darwin_set_default_type_attributes): Ditto.
3263 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3264 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3265 Register ms_struct pragma.
3266 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3267 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3268 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3269 darwin_set_default_type_attributes if TARGET_MACHO.
3271 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3273 PR tree-optimization/26854
3274 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3275 * doc/tree-ssa.texi: Update immuse iterator documentation.
3276 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3277 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3278 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3279 first_safe_imm_use, next_safe_imm_use): Remove.
3280 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3281 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3282 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3283 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3284 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3285 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3286 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3287 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3288 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3289 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3290 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3291 (perfect_nestify): Use new iterator.
3292 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3294 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3295 (next_imm_name): New field in struct immediate_use_iterator_d.
3296 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3297 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3298 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3299 * tree-cfg.c (replace_uses_by): Use new iterator.
3300 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3301 * tree-ssa-operands.c (correct_use_link): Remove.
3302 (finalize_ssa_use_ops): No longer call correct_use_link.
3304 2006-04-27 Stuart Hastings <stuart@apple.com>
3306 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3307 * config/t-darwin (crt3.o): Use it.
3308 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3309 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3310 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3311 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3312 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3315 2006-04-27 Roger Sayle <roger@eyesopen.com>
3317 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3318 size, force the intermediate into a new pseudo rather instead of
3319 performing both a bitwise AND and a bitwise IOR in memory.
3321 2006-04-27 Richard Guenther <rguenther@suse.de>
3323 PR rtl-optimization/26685
3324 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3325 this one "max-flow-memory-locations".
3327 2006-04-27 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/25148
3330 * tree-vrp.c (compare_values): Remove code dealing with
3331 comparisons against type min/max value. Honour overflow
3332 and negative constants in code dealing with comparisons
3333 of plus and minus expressions.
3334 (value_inside_range): Use fold_binary with LE_EXPR and
3335 GE_EXPR rather than compare_values.
3337 2006-04-27 Dirk Mueller <dmueller@suse.de>
3339 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3342 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3344 * basic-block.h (safe_insert_insn_on_edge): Removed.
3345 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3347 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3348 Paolo Bonzini <bonzini@gnu.org>
3351 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3352 (simplify_and_const_int): Same.
3354 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3356 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3358 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3361 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3362 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3363 cgraph_global_info_ready.
3366 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3369 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3370 either decl or init is error_mark_node.
3373 * tree-flow.h (struct omp_region): Add sched_kind.
3374 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3375 instead of extracting omp for data.
3376 (expand_omp_for): Save extracted sched_kind.
3378 2006-04-25 Roger Sayle <roger@eyesopen.com>
3380 * expmed.c (store_bit_field): Also check whether the bitsize is
3381 valid for the machine's "insv" instruction before moving the
3382 target into a pseudo for use with the insv.
3383 * config/i386/predicates.md (const8_operand): New predicate.
3384 * config/i386/i386.md (extv, extzv, insv): Use the new
3385 const8_operand predicate where appropriate.
3387 2006-04-25 DJ Delorie <dj@redhat.com>
3389 * doc/install.texi (Specific): Clarify that this is not a list of
3390 supported hosts or targets.
3392 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3394 PR rtl-optimization/26725
3395 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3396 block's BB_DIRTY flag.
3398 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3400 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3403 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3404 to print an integer.
3406 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3408 * varasm.c (align_variable): New function.
3409 (get_block_for_decl): Apply align_variable to DECL before
3410 calculating section information.
3411 (assemble_variable): Split out alignment computation.
3413 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3415 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3418 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3420 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3421 MODE_PARTIAL_INT mode.
3422 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3423 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3425 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3426 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3428 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3430 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3432 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3433 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3434 MACFLAG_IH): Likewise.
3435 (movstricthi_1): Renamed from "*movstricthi".
3436 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3437 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3438 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3439 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3440 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3441 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3442 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3443 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3444 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3445 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3446 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3447 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3448 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3449 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3450 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3452 * doc/rtl.texi (ss_ashift): Improve wording.
3454 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3456 * dwarf2out.c (verify_marks_clear): New.
3457 (prune_unused_types): Call verify_marks_clear initially, not
3460 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3462 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3463 * doc/rtl.texi: Document them.
3464 * simplify-rtx.c (simplify_unary_operation,
3465 simplify_binary_operation_1): Don't abort when we see them.
3467 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3470 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3471 * configure.ac: Completely disregard languages that are not
3473 * configure: Regenerated.
3475 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3476 Richard Guenther <rguenther@suse.de>
3478 PR tree-optimization/27236
3479 * tree-inline.c (copy_body_r): Make sure to copy
3480 TREE_THIS_VOLATILE flag.
3482 2006-04-24 Richard Guenther <rguenther@suse.de>
3485 * tree-complex.c (update_parameter_components): Don't handle
3486 unused parameters which have no default def.
3488 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3489 Richard Guenther <rguenther@suse.de>
3491 PR tree-optimization/27218
3492 * tree-inline.c (expand_call_inline): Strip useless type
3493 conversions for the return slot address.
3495 2006-04-24 Richard Guenther <rguenther@suse.de>
3497 * cfgloop.h (struct loops): Remove unused field array. Reorder
3499 (LOOP_PREFETCH): Remove.
3501 2006-04-24 Richard Guenther <rguenther@suse.de>
3503 PR tree-optimization/22525
3504 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3505 variable, adjust types of generated expressions.
3507 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3509 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3510 (tree-vect-patterns.o): Likewise.
3512 (cselib.o): Likewise.
3513 (loop-doloop.o): Likewise.
3514 (regclass.o): Likewise.
3515 (reload1.o): Likewise.
3516 (explow.o): Replace target.h with $(TARGET_H).
3517 (ipa-prop.o): Likewise.
3518 (ipa-cp.o): Likewise.
3519 (ipa-inline.o): Likewise.
3520 (reorg.o): Likewise.
3521 (reg-stack.o): Likewise.
3523 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3525 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3527 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3529 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3531 * configure.ac: Completely disregard languages that are not
3533 * configure: Regenerated.
3536 * c-common.h (c_build_bitfield_integer_type): Declare.
3537 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3538 * c-common.c (c_build_bitfield_integer_type): ... here.
3540 2006-04-23 Roger Sayle <roger@eyesopen.com>
3543 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3544 a SImode SUBREG of a floating point register after no_new_pseudos.
3546 2006-04-23 Roger Sayle <roger@eyesopen.com>
3548 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3549 identify potentially eliminable registers to additionally catch
3550 VIRTUAL_INCOMING_ARGS_REGNUM.
3551 (addsi3): Update the conditions on when to use addsi_small_int.
3553 2006-04-23 Roger Sayle <roger@eyesopen.com>
3556 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3557 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3558 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3560 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3562 * fold-const.c (range_predecessor): Use operand_equal_p
3563 as the predicate for equality.
3564 (range_successor): Likewise.
3566 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3569 * config/soft-fp/op-common.h: Fix a typo.
3571 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3574 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3575 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3577 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3579 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3581 * doc/tm.texi: Fix a typo.
3583 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3585 * dwarf2out.c (struct die_struct): Document that die_sib makes
3586 a circular linked list.
3587 (FOR_EACH_CHILD): New.
3588 (reverse_die_lists): Delete.
3589 (reverse_all_dies): Delete.
3590 (add_dwarf_attr): Correct documentation.
3591 (remove_child_with_prev): New.
3592 (remove_child_TAG): Update for change to die_struct, use
3593 remove_child_with_prev.
3594 (add_child_die): Update for change to die_struct.
3595 (splice_child_die): Use remove_child_with_prev and add_child_die.
3596 (print_die): Use FOR_EACH_CHILD.
3597 (die_checksum): Likewise.
3598 (assign_symbol_names): Likewise.
3599 (output_location_lists): Likewise.
3600 (build_abbrev_table): Likewise.
3601 (calc_die_sizes): Likewise.
3602 (mark_dies): Likewise.
3603 (unmark_dies): Likewise.
3604 (unmark_all_dies): Likewise.
3605 (output_die): Likewise.
3606 (prune_unused_types_mark): Likewise.
3607 (prune_unused_types_walk): Likewise.
3608 (same_die_p): Update for change to die_struct.
3609 (break_out_includes): Likewise.
3610 (prune_unused_types_prune): Likewise.
3611 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3612 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3614 (dwarf2out_finish): Don't call reverse_all_dies.
3616 2006-04-21 Eric Christopher <echristo@apple.com>
3618 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3619 in comments and function names.
3621 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3624 * c-typeck.c (digest_init): Robustify.
3626 * c-typeck.c (pop_init_level): Simplify.
3628 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3630 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3632 2006-04-21 Paul Brook <paul@codesourcery.com>
3634 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3635 hardware floating point.
3637 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3639 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3642 2006-04-21 Nick Clifton <nickc@redhat.com>
3644 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3647 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3650 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3651 C++ lang type in traceback table for Objective-C++.
3653 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3655 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3657 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3659 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3662 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3663 were errors. Remove check for erroneous objects.
3665 2006-04-20 Jeff Law <law@redhat.com>
3667 PR tree-optimization/26854
3668 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3669 checking for zero or one use.
3670 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3671 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3672 * tree-ssa-reassoc.c (negate_value): Similarly.
3673 (reassociate_bb): Similarly.
3675 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3677 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3678 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3679 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3681 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3683 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3684 fp regs if the last fp arg doesn't fit in regs.
3686 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3689 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3690 that the last insn has the REG_INC note.
3692 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3693 Nathan Sidwell <nathan@codesourcery.com>
3696 * stor-layout.c (update_alignment_for_field): Do not align
3698 (place_union_field): Place union field at the start of the union.
3699 (place_field): Move ERROR_MARK check later, and use the current
3700 allocation position to maintain monotonicity.
3702 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3704 * dominance.c: Include timevar.h.
3705 (calculate_dominance_info): Use TV_DOMINANCE.
3706 * timevar.def (TV_DOMINANCE): New timevar.
3707 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3709 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3711 PR rtl-optimization/14261
3712 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3713 move would be an INSV insn.
3714 (noce_process_if_block): Don't optimize if the destination is a
3715 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3717 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3719 * config/s390/s390.md: Add comments with the instructions emitted
3720 by an insn pattern if macros are used.
3722 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3724 PR rtl-optimization/26026
3725 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3726 is a known power of two shifted left a variable amount.
3728 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3730 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3731 to hash table twice when the debug_str section has SECTION_MERGE.
3733 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3735 * config/soft-fp: New directory. From glibc.
3736 * config/soft-fp/t-softfp: New.
3737 * config/soft-fp/README: New.
3738 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3739 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3740 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3741 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3742 * config.gcc: Use rs6000/t-fprules-fpbit or
3743 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3745 * config/rs6000/sfp-machine.h: New. Based on glibc.
3746 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3748 * config/rs6000/t-fprules: Remove fp-bit rules.
3749 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3750 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3751 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3752 (softfp_wrap_start, softfp_wrap_end): New.
3754 2006-04-18 DJ Delorie <dj@redhat.com>
3756 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3758 2006-04-18 Devang Patel <dpatel@apple.com>
3760 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3762 2006-04-18 Nick Clifton <nickc@redhat.com>
3764 * config/sh/t-symbian: Add rule to build sh-c.o
3765 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3766 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3767 (sh_symbian_encode_section_info): Likewise.
3769 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3771 * builtins.c (expand_builtin_strcmp): Cover label definition of
3772 do_libcall with HAVE_cmpstrnsi.
3774 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3776 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3778 * function.h (temp_slot_p): New.
3779 (function): Change the type of x_used_temp_slots to
3780 VEC(temp_slot_p,gc) *.
3782 2006-04-18 Nick Clifton <nickc@redhat.com>
3784 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3785 flag_strength_reduce.
3787 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3789 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3793 Partial revert of revision 112637
3794 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3795 Dale Johannesen <dalej@apple.com>
3798 * regclass.c (struct reg_pref): Update documentation.
3799 (regclass): Set prefclass to NO_REGS if memory is the best option.
3800 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3802 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3804 PR tree-optimization/26821
3805 * tree-ssa-math-opts.c (get_constant_one): New.
3806 (insert_reciprocals): Use it.
3808 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3810 * dwarf2out.c (free_AT): Delete.
3811 (remove_AT): Update string ref counts.
3812 (remove_child_TAG): Don't call free_die.
3814 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3815 or DW_TAG_GNU_EINCL.
3816 (prune_unused_types_walk_attribs): Reset string refcounts.
3817 (prune_unused_types_update_strings): New.
3818 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3819 call free_die. Do call prune_unused_types_update_strings.
3820 (prune_unused_types): Empty debug_str_hash.
3822 2006-04-17 Roger Sayle <roger@eyesopen.com>
3824 * expr.c (expand_assignment): Optimize away no-op moves where the
3825 source and destination are equal and have no side-effects.
3827 2006-04-17 Richard Guenther <rguenther@suse.de>
3830 * reload.c (push_reload): Guard calls to get_secondary_mem
3833 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3835 * alias.c (reg_base_value, old_reg_base_value): Change the
3836 type to VEC(rtx,gc) *.
3837 (REG_BASE_VALUE, find_base_value, record_set,
3838 init_alias_analysis): Use VEC instead of VARRAY.
3840 * alias.c (alias_sets): Change the type to
3841 VEC(alias_set_entry,gc) *.
3842 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3843 VEC instead of VARRAY.
3844 (last_alias_set): Remove.
3846 * cgraph.h (cgraph_edge_p): New.
3847 Update the prototype of cgraph_function_versioning.
3848 * cgraphunit.c (cgraph_copy_node_for_versioning,
3849 cgraph_function_versioning): Use VEC instead of VARRAY.
3850 * ipa-cp.c (ipcp_insert_stage): Likewise.
3852 2006-04-16 Roger Sayle <roger@eyesopen.com>
3855 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3856 "A op B" or "A op C", we may need to convert A to the type of B and C.
3858 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3860 * target.h (struct gcc_target): Add mode_rep_extended.
3861 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3862 (init_num_sign_bit_copies_in_rep): Initialize it using
3864 (truncate_to_mode): Use it.
3865 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3866 * targhooks.h (default_mode_rep_extended): Declare it.
3867 * targhooks.c (default_mode_rep_extended): Define it.
3868 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3869 default_mode_rep_extended.
3870 (TARGET_INITIALIZER): Include it.
3871 * doc/tm.texi (Misc): Document it.
3872 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3873 (mips_truncated_to_mode): New function.
3875 2006-04-16 Roger Sayle <roger@eyesopen.com>
3878 * expr.c (compress_float_constant): Copy the narrow constant into
3879 a new pseudo before extending it to its final width.
3881 2006-04-16 Roger Sayle <roger@eyesopen.com>
3882 Andrew Pinski <pinskia@gcc.gnu.org>
3883 Dale Johannesen <dalej@apple.com>
3886 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3887 special case code to implement V8HImode and V16QImode with SSE2.
3889 2006-04-15 Roger Sayle <roger@eyesopen.com>
3891 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3892 trees are constructed with a suitable tree type.
3894 2006-04-15 Roger Sayle <roger@eyesopen.com>
3896 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3897 (integer_onep): Likewise.
3898 (integer_all_onesp): Likewise.
3899 (integer_pow2p): Likewise.
3900 (integer_nonzerop): Likewise.
3901 (real_zerop): Likewise.
3902 (real_onep): Likewise.
3903 (real_twop): Likewise.
3904 (real_minus_onep): Likewise.
3905 (int_size_in_bytes): Likewise.
3906 (host_integerp): Likewise.
3908 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3910 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3911 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3912 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3914 * tree-ssa-structalias.h (alias_info): Remove num_references.
3916 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3918 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3919 (output_bvb patterns): Likewise.
3920 * pa.c (output_bb): Use 'bb' insn for long branch case.
3921 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3922 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3923 1. Correct length operand for alternatives 1 and 2.
3924 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3925 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3927 2006-04-14 Roger Sayle <roger@eyesopen.com>
3929 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3930 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3931 were accidentally reverted by r112959.
3933 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3936 * except.h (eh_region_outermost): New prototype.
3937 * except.c (eh_region_outermost): New function.
3938 * tree-cfg.c (find_outermost_region_in_block): Use it.
3940 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3942 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3944 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3945 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3946 (init_reload, reload): Use VEC instead of VARRAY.
3947 * reload.h: Update the prototype for
3948 reg_equiv_memory_loc_varray.
3950 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3951 Eric Botcazou <ebotcazou@libertysurf.fr>
3953 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3956 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3959 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3960 to expand fallback builtin function call.
3962 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3965 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3966 and emit libcall here in case the builtin fails.
3967 (expand_builtin_strcmp): Always emit the libcall here on failure.
3969 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3971 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3972 * flow.c (reg_n_info): Change the type to
3973 VEC(reg_info_p,heap) *.
3974 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3976 * regs.h (reg_info_p): New.
3977 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3978 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3979 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3982 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3984 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3986 * params.h (MAX_SCHED_READY_INSNS): New macro.
3987 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3988 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3989 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3990 the ready list for 1 cycle during the first scheduling pass.
3991 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3993 2006-04-13 Richard Henderson <rth@redhat.com>
3996 * gimple-low.c (lower_omp_directive): Remove dead code.
3997 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3998 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3999 * omp-low.c (struct omp_region): Move to tree-flow.h.
4000 (root_omp_region): Export.
4001 (omp_regions, lookup_omp_region): Remove.
4002 (determine_parallel_type): Update for struct omp_region changes.
4003 (dump_omp_region): Dump regions with block numbers.
4004 (new_omp_region): Take type and block instead of stmt; malloc
4006 (free_omp_region_1, free_omp_regions): New.
4007 (expand_parallel_call): Take entry_stmt as argument; update for
4008 changes to omp_region.
4009 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4010 (remove_exit_barriers): New.
4011 (expand_omp_parallel): Update for struct omp_region changes.
4012 (expand_omp_synch): Likewise.
4013 (expand_omp): Likewise.
4014 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4015 (expand_omp_for_static_chunk): Likewise.
4016 (expand_omp_for): Likewise.
4017 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4018 (expand_omp_sections): Similarly, with GOMP_sections_end.
4019 (expand_omp_single): New.
4020 (build_omp_regions_1): Update for OMP_CONTINUE.
4021 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4022 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4023 OMP_SECTIONS_SECTIONS.
4024 (lower_omp_single_simple): Don't emit barrier here.
4025 (lower_omp_single_copy): Likewise.
4026 (lower_omp_single): Fix bindings, and lower to straightline now.
4027 (lower_omp_master, lower_omp_ordered): Likewise.
4028 (lower_omp_critical): Likewise.
4029 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4030 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4031 omp edges, free it afterward.
4032 (make_omp_sections_edges): Remove.
4033 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4034 (move_stmt_r): Handle OMP_CONTINUE.
4035 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4036 statement pointers to basic blocks. Add type member.
4037 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4038 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4039 * tree-inline.c (estimate_num_insns_1): Likewise.
4040 * tree-pretty-print.c (dump_generic_node): Likewise.
4041 * tree-ssa-operands.c (get_expr_operands): Likewise.
4042 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4043 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4044 (OMP_CONTINUE): New.
4045 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4046 (OMP_SECTIONS_SECTIONS): Remove.
4047 (OMP_SECTION_LAST): New.
4048 (OMP_RETURN_NOWAIT): New.
4050 2006-04-13 Roger Sayle <roger@eyesopen.com>
4052 * fold-const.c (native_encode_vector, native_interpret_real):
4053 Correct obvious mistakes in the previous check-in.
4055 2006-04-13 Roger Sayle <roger@eyesopen.com>
4057 * fold-const.c (native_encode_expr): New function to encode
4058 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4059 or VECTOR_CST into a specified buffer.
4060 (native_encode_int): New function.
4061 (native_encode_real): New function.
4062 (native_encode_complex): New function.
4063 (native_encode_vector): New function.
4064 (native_interpret_expr): Inverse of native_encode_expr to convert
4065 a target representation into an INTEGER_CST, REAL_CST etc...
4066 (native_interpret_int): New function.
4067 (native_interpret_real): New function.
4068 (native_interpret_complex): New function.
4069 (native_interpret_vector): New function.
4070 (fold_view_convert_expr): New function to constant fold/evaluate
4071 a VIEW_CONVERT_EXPR of a suitable constant expression.
4072 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4073 Change call of build1 to fold_build1 when constructing a
4076 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4077 Ulrich Weigand <uweigand@de.ibm.com>
4080 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4083 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4086 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4087 optimize to lo_sum for DFmode if !TARGET_FPRS.
4089 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4091 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4092 delete_alias_info, compute_flow_sensitive_aliasing,
4093 group_aliases): Use VEC instead of VARRAY.
4094 * tree-ssa-structalias.c (update_alias_info): Likewise.
4095 * tree-ssa-structalias.h (alias_info): Change the type of
4096 processed_ptrs to VEC(tree,heap) *.
4098 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4101 * config/sh/lib1funcs.h: New file, broken out of:
4102 * config/sh/lib1funcs.asm.
4103 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4105 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4106 * config/sh/lib1funcs-Os-4-200.asm: New file.
4107 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4108 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4109 (EXTRA_MULTILIB_PARTS): Include it.
4110 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4111 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4112 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4113 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4116 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4118 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4119 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4120 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4122 * tree-ssa-live.h: Include vecprim.h.
4123 (tree_partition_associator_d): Change the type of
4124 first_partition to VEC(int,heap) *.
4125 (tpa_first_partition): Use VEC instead of VARRAY.
4127 * Makefile.in (GTFILES): Move functions.h after tree.h.
4128 * function.c (reset_block_changes, record_block_change,
4129 check_block_change, free_block_changes): Use VEC instead of
4131 * function.h (function): Change the type of
4132 ib_boundaries_block to VEC(tree,gc) *.
4133 * tree-inline.c (copy_cfg_body): Initialize
4134 ib_boundaries_block to NULL instead of (varray_type) 0.
4136 2006-04-12 Roger Sayle <roger@eyesopen.com>
4138 * expr.c (emit_group_store): Correct operand order in call to
4139 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4140 a SUBREG_BYTE of zero.
4142 2006-04-12 Richard Guenther <rguenther@suse.de>
4144 * profile.c (compute_branch_probabilities): Remove code
4145 encapsulated in !ir_type (), which are remanents of the
4146 removed RTL profiling code.
4147 * rtl-profile.c: Remove.
4149 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4151 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4152 magic NULL_RTX comment.
4153 (function_arg): Store entire fp arg to mem if any part should go
4155 (rs6000_arg_partial_bytes): Adjust for above change.
4157 2006-04-11 Roger Sayle <roger@eyesopen.com>
4159 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4160 if it hasn't been initialized by dwarf2out_init.
4162 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4164 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4165 symbolic constants in branch patterns.
4167 2006-04-11 Roger Sayle <roger@eyesopen.com>
4169 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4171 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4173 PR rtl-optimization/27073
4174 * gcse.c (try_replace_reg): Revert last change. Continue to search
4175 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4178 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4180 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4181 aggregate types other than record and union types.
4182 (function_arg): Likewise.
4183 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4185 (function_value): In 64-bit mode, return objects that require it
4188 2006-04-11 Roger Sayle <roger@eyesopen.com>
4190 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4192 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4194 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4196 2006-04-03 Jeff Law <law@redhat.com>
4199 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4200 alias information too.
4202 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4204 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4206 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4209 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4210 (premark_used_types_helper): New.
4211 (premark_used_types): New.
4212 (gen_subprogram_die): Call premark_used_types.
4213 (prune_unused_types_walk): Do not prune perennial dies.
4214 * function.c (used_types_insert): New.
4215 * function.h (struct function): Add used_types_hash field.
4216 (used_types_insert): Add prototype.
4217 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4218 * c-parser.c (c_parser_cast_expression): Save casted types in used
4221 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4224 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4225 rs6000_explicit_options.float_gprs.
4227 2006-04-10 Roger Sayle <roger@eyesopen.com>
4229 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4230 from ix86_expand_vector_init_low_nonzero. Take an additional
4231 one_var argument indicating which element is non-zero. Support
4232 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4233 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4234 with one_var instead of ix86_expand_vector_init_low_nonzero.
4236 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4238 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4239 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4240 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4241 build/genextract.o): Depend on vecprim.h.
4242 * cfglayout.c, df-problems.c, function.c, genextract.c,
4243 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4244 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4248 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4250 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4251 Declare VECs of this type.
4252 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4253 (remove_children): Delete.
4254 (add_dwarf_attr): Use VEC routines.
4255 (add_AT_flag): Update for changes to add_dwarf_attr.
4256 (add_AT_int): Likewise.
4257 (add_AT_unsigned): Likewise.
4258 (add_AT_long_long): Likewise.
4259 (add_AT_vec): Likewise.
4260 (add_AT_string): Likewise.
4261 (add_AT_die_ref): Likewise.
4262 (add_AT_fde_ref): Likewise.
4263 (add_AT_loc): Likewise.
4264 (add_AT_loc_list): Likewise.
4265 (add_AT_addr): Likewise.
4266 (add_AT_lbl_id): Likewise.
4267 (add_AT_lineptr): Likewise.
4268 (add_AT_macptr): Likewise.
4269 (add_AT_offset): Likewise.
4270 (add_AT_range_list): Likewise.
4271 (get_AT): Use VEC_iterate.
4272 (remove_AT): Use VEC_ordered_remove.
4273 (free_die): Fold remove_children into here; have it use VEC_iterate.
4274 (print_die): Use VEC_iterate on attrs.
4275 (reverse_die_lists): Don't reverse attr lists.
4276 (die_checksum): Use VEC_iterate on attrs.
4277 (same_die_p): Likewise.
4278 (output_location_lists): Likewise.
4279 (build_abbrev_table): Likewise.
4280 (size_of_die): Likewise.
4281 (unmark_all_dies): Likewise.
4282 (output_abbrev_section): Likewise.
4283 (output_die): Likewise.
4284 (prune_unused_types_walk_attribs): Likewise.
4286 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4288 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4290 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4293 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4295 2006-04-09 Roger Sayle <roger@eyesopen.com>
4297 * expr.c (store_constructor): Don't bother clearing target if
4298 we're about to assign a vector to it using vec_init_optab.
4300 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4302 * tree-ssa-alias.c (lhs_may_store_to): New function.
4303 (recalculate_used_alone): Handle LHS of calls.
4305 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4309 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4310 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4311 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4312 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4313 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4314 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4315 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4316 stubs. Add ".align 8" directives before all ".dword" directives.
4317 (GTHREAD_USE_WEAK): Revise comment.
4318 (TARGET_ATTRIBUTE_WEAK): Define.
4319 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4320 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4321 * stublib.c: New file.
4326 * pa.md (cbranch patterns): Revise arguments used in calls to
4327 output_cbranch, output_bb and output_bvd. Add long branch length
4329 (fbranch patterns): Handle long branches.
4330 (jump): Revise length check. Revise arguments for output_lbranch call.
4331 Add long branch length attributes.
4332 (decrement_and_branch_until_zero): Add long branch length attributes.
4333 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4334 Likewise. Revise arguments for output_parallel_addb and
4335 output_parallel_movb calls.
4336 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4337 output_parallel_movb and output_parallel_addb): Update prototypes.
4338 * pa.c (output_cbranch): Revise arguments. Correct handling of
4339 nullification in long branches.
4340 (output_lbranch): Add new argument to control extraction of delay
4342 (output_bb): Handle long branches.
4343 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4344 output_parallel_addb): Likewise.
4346 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4348 PR rtl-optimization/27073
4349 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4352 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4354 * tree.h (tree_memory_tag): Add old_used_alone.
4355 (SMT_OLD_USED_ALONE): New macro.
4356 * tree-ssa-alias.c (recalculate_used_alone): Stop
4357 marking things for renaming unnecessarily.
4359 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4361 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4362 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4363 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4364 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4365 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4366 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4367 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4368 spelling convensions.
4369 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4370 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4371 typos. Follow spelling conventions.
4373 2006-04-07 DJ Delorie <dj@redhat.com>
4375 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4376 passed on the stack.
4377 (m32c_init_cumulative_args): When a function returns a structure,
4378 always pass the pointer to that return area on the stack.
4379 (m32c_function_arg_advance): Don't increment the parameter number
4380 if we're processing the returned structure pointer.
4381 (pushm_info): Reverse order of registers.
4383 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4385 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4386 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4387 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4388 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4390 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4391 chrec_fold_multiply): Same.
4392 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4393 force_expr_to_var_cost): Same.
4394 * tree-mudflap.c (mf_xform_derefs_1): Same.
4395 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4397 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4399 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4400 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4403 2006-04-07 Jan Hubicka <jh@suse.cz>
4405 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4407 2006-04-07 Richard Guenther <rguenther@suse.de>
4409 PR tree-optimization/26135
4410 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4411 loads for store copy-prop.
4412 (copy_prop_visit_stmt): Likewise.
4414 2006-04-05 Robert Millan <robertmh@gnu.org>
4416 * config/i386/linux.h: Add a comment to mark macros that are
4417 being overriden in config/k*bsd-gnu.h.
4418 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4420 * config/knetbsd-gnu.h: Ditto.
4422 2006-04-06 Jan Hubicka <jh@suse.cz>
4426 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4429 2006-04-06 Mike Stump <mrs@apple.com>
4431 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4432 for HAVE_nonlocal_goto to be consistent.
4433 (expand_builtin_nonlocal_goto): Likewise.
4434 (expand_builtin_strcmp): Use #ifdef instead of #if
4435 for HAVE_cmpstrnsi to be consistent.
4437 2006-04-05 DJ Delorie <dj@redhat.com>
4439 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4442 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4444 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4445 got-relative addressing for anything but SImode.
4447 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4448 even if the calling function doesn't modify them.
4450 2006-04-05 Richard Guenther <rguenther@suse.de>
4452 PR tree-optimization/26919
4453 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4454 to cgraph_estimate_size_after_inlining.
4456 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4458 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4460 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4462 PR tree-optimization/26996
4463 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4464 VECTOR_TYPE variables.
4466 2006-04-05 Richard Guenther <rguenther@suse.de>
4468 PR tree-optimization/26763
4469 * fold-const.c (fold_comparison): Move folding of
4470 PTR + CST CMP PTR + CST ...
4471 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4473 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4475 * doc/install.texi (Prerequisites): Refine some wording on
4476 bootstrapping and ksh.
4477 Move the version numbers of DejaGnu here from the testing section
4478 and fix casing of names.
4479 Fix markup and clarify wording for autogen requirements.
4480 Refer to GCJ instead of just java.
4481 Refer to SVN instead of CVS.
4482 Describe diffutils as useful instead of necessary.
4483 (Downloading the source): Refer to SVN instead of CVS.
4484 Adjust a link to our web site accordingly.
4485 (Configuration): Fix casing of Bison.
4486 (Building): Refer to SVN instead of CVS.
4487 Fix a sentence on the use of Bison and remove duplicate (and
4488 incorrect) version number of Bison requirement.
4489 Remove one redundant list of packages needed for building.
4490 (Specific): Avoid reference to CVS.
4492 2006-04-04 Eric Christopher <echristo@apple.com>
4494 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4495 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4496 (rs6000_handle_struct_attribute): New.
4497 (rs6000_ms_bitfield_layout_p): Ditto.
4499 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4501 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4502 NULL for dso parameter to atexit_common.
4504 2006-04-04 Eric Christopher <echristo@apple.com>
4506 * config/i386/i386.c (machopic_output_stub): Output \t
4507 between instructions and operands.
4509 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4511 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4512 satisfies_constraint_[IL] to explicit tests on value.
4514 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4516 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4517 set_nb_iterations_in_loop): Use build_int_cst instead of
4519 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4520 build_int_cst instead of convert.
4522 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4524 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4525 new value 2 for incoming.
4526 * function.c (expand_function_start): Call struct_value_rtx
4528 * config/sparc/sparc.md: Comment updated_return.
4529 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4530 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4531 struct return if sparc_std_struct_return and incoming is 2.
4532 (print_operand): Do not adjust return if
4533 sparc_std_struct_return.
4535 2006-04-04 Roger Sayle <roger@eyesopen.com>
4537 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4538 convert in the middle-end.
4539 * expr.c (store_expr, store_constructor, get_inner_reference,
4540 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4542 * tree.c (build_range_type): Likewise.
4544 2006-04-04 Tom Tromey <tromey@redhat.com>
4546 * doc/install.texi (Prerequisites): Mention jar.
4548 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4550 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4553 2006-04-04 Matthias Klose <doko@debian.org>
4555 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4556 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4559 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4561 * doc/extend.texi (Function Attributes): Rewrite visibility
4562 attribute documentation.
4563 * doc/invoke.texi (C++ Dialect Options): Rewrite
4564 -fvisibility-inlines-hidden documentation to describe something
4565 entirely different, although in practise compatible.
4566 (Code Gen Options): Warn about system headers in -fvisibility=
4569 * doc/extend.texi (Other Builtins): Document that
4570 __builtin_nan is a compile-time constant only when its argument
4573 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4575 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4576 trying to remove TRUNCATE check if all bits outside the new mode
4577 are identical to the sign bit.
4579 2006-04-03 Jeff Law <law@redhat.com>
4581 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4582 and operand scanning in some common cases.
4584 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4585 Dale Johannesen <dalej@apple.com>
4588 * regclass.c (struct reg_pref): Update documentation.
4589 (regclass): Set prefclass to NO_REGS if memory is the best option.
4590 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4591 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4592 into account. For non-registers, equate an empty preferred
4593 reload class to a `!' in the constraint; move the if clause to
4594 do so after those that reject the insn.
4595 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4597 (find_dummy_reload): Likewise.
4598 * doc/tm.texi (Register Classes): Document what it means
4599 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4600 * config/i386/i386.c (ix86_preferred_reload_class): Force
4601 using SSE registers (and return NO_REGS for floating-point
4602 constants) if math is done with SSE.
4603 (ix86_preferred_output_reload_class): New.
4604 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4605 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4606 * config/i386/i386.md: Remove # register preferences.
4608 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4611 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4612 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4613 the type of nb_iter.
4614 (instantiate_parameters_1): Convert the operands before calling
4615 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4616 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4618 2006-04-02 Roger Sayle <roger@eyesopen.com>
4620 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4621 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4623 * dojump.c (do_jump): Likewise.
4624 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4625 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4626 gimplify_boolean_expr): Likewise.
4627 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4628 * varasm.c (array_size_for_constructor): Likewise.
4629 * tree-object-size.c (compute_object_offset): Likewise.
4631 2006-04-02 Roger Sayle <roger@eyesopen.com>
4634 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4635 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4637 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4639 PR tree-optimization/26939
4640 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4642 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4644 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4645 at_stmt. Convert the type of operands before calling
4646 build_polynomial_chrec.
4647 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4649 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4650 (instantiate_parameters_1): Convert the type of operands before calling
4651 build_polynomial_chrec.
4652 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4653 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4654 reset_evolution_in_loop): Insert asserts to check the types of the
4656 (chrec_type): Moved...
4657 (eq_evolutions_p): Use operand_equal_p.
4658 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4659 the types of the operands.
4660 (chrec_type): ...here.
4661 * tree-data-ref.c (create_data_ref): Convert the operands before
4662 calling chrec_replace_initial_condition.
4663 (same_access_functions, analyze_subscript_affine_affine,
4664 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4665 (compute_subscript_distance, analyze_ziv_subscript,
4666 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4667 analyze_miv_subscript): Convert the operands before calling
4668 chrec_fold_minus or chrec_fold_plus.
4670 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4672 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4673 the dependence_relations vector.
4674 (compute_data_dependences_for_loop): Adjust call to
4675 compute_all_dependences.
4677 2006-04-01 Roger Sayle <roger@eyesopen.com>
4678 Richard Henderson <rth@redhat.com>
4680 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4681 gimple_boolify on the condition before calling gimplify_expr.
4683 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4685 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4686 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4687 the frame size. Update to use the new macros.
4688 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4689 * config/xtensa/ieee754-df.S: Likewise.
4691 2006-03-31 Richard Henderson <rth@redhat.com>
4693 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4694 (make_edges): ... here. Control fallthru creation with a local
4695 variable. Do not play with fake edges.
4696 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4697 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4700 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4702 * dwarf2.h (DW64_CIE_ID): Define.
4703 * dwarf2out.c (DWARF_CIE_ID): Define.
4704 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4705 length header. Use DWARF_CIE_ID.
4706 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4707 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4709 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4711 * config/sh/linux-atomic.asm: New file.
4712 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4714 2006-03-31 DJ Delorie <dj@redhat.com>
4716 * config/m32c/cond.md: Set condition flags properly throughout.
4717 * config/m32c/minmax.md: Likewise.
4718 * config/m32c/prologue.md: Likewise.
4719 * config/m32c/bitops.md: Likewise.
4720 * config/m32c/muldiv.md: Likewise.
4721 * config/m32c/mov.md: Likewise.
4722 * config/m32c/addsub.md: Likewise.
4723 * config/m32c/m32c.md: Likewise.
4724 * config/m32c/jump.md: Likewise.
4725 * config/m32c/shift.md: Likewise.
4727 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4728 conditionally output the pattern for this.
4729 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4730 (m32c_compare_redundant): New.
4731 (m32c_output_compare): New.
4732 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4734 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4735 dest, not src. Allow other 4-byte modes.
4737 2006-03-30 Denis Chertykov <denisc@overta.ru>
4739 * doc/md.texi: Refer to avr/constraints.md instead of
4742 2006-03-30 Roger Sayle <roger@eyesopen.com>
4744 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4745 signed vs. unsigned comparison failures on some hosts.
4747 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4750 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4751 change to FLOAT_REGS.
4753 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4754 (rs6000_override_options): Use it.
4755 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4756 only for -mabi=spe/no-spe and -mabi=altivec.
4758 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4760 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4763 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4765 * Makefile.in: Rename docdir to gcc_docdir.
4767 2006-03-30 Roger Sayle <roger@eyesopen.com>
4770 * expr.c (emit_group_store): Optimize group stores into a pseudo
4771 register by using a paradoxical subreg to initialize the destination
4772 if the first or last member of the group specifies a "low part".
4774 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4777 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4778 * target.h (struct gcc_target.speculate_insn): Change type of the
4779 second parameter to 'int'.
4780 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4781 the second operand of the DEPS_LIST.
4782 (copy_DEPS_LIST_list): Update reference to the second operand of the
4784 * rtl.h (alloc_DEPS_LIST): Update signature.
4785 * sched-int.h (ds_t): Change typedef to 'int'.
4786 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4788 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4790 * haifa-sched.c (try_ready): Change condition to restore
4791 non-speculative pattern of the instruction.
4792 (process_insn_depend_be_in_spec): Code to keep probability of the
4793 speculative dependence non-decreasing.
4795 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4797 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4798 (single_move_for_movmem): ... this. Also change all uses.
4799 (bfin_expand_strmov): Renamed to...
4800 (bfin_expand_movmem): ... this. Also change all uses.
4801 * config/bfin/bfin.md (movstrsi): Renamed to...
4802 (movstrsi): ...this.
4804 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4806 PR tree-optimization/26830
4808 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4809 (copy_prop_visit_stmt): Remove write-only variable ann.
4810 (init_copy_prop): Check variable loop depth here. Do not simulate
4811 memory-tag and virtual operand PHIs except for store copy prop.
4813 2006-03-30 Richard Guenther <rguenther@suse.de>
4815 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4816 variants with double arguments.
4818 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4820 * genpreds.c (write_tm_constrs_h): Delete variable p.
4821 * genconditions.c (write_header): Add tm-constrs.h to included
4823 * genpeep.c (main): Add toplev.h to included headers.
4824 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4825 (build/genpeep.o): Add toplev.h dependency.
4826 * config/rs6000/constraints.md: Add "W" constraint.
4828 2006-03-29 Roger Sayle <roger@eyesopen.com>
4830 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4831 sizes by correctly testing whether the size fits a host integer.
4832 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4833 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4834 SImode range for the default sizetype and bitsizetype.
4836 2006-03-29 Roger Sayle <roger@eyesopen.com>
4838 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4839 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4840 quickly if the argument is already of the correct type.
4841 Call fold_build1 instead of build1. Tidy up blank lines.
4843 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4845 * genemit.c (main): Add tm-constrs.h to included headers.
4846 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4847 * genpeep.c (main): Add tm-constrs.h to included headers.
4848 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4849 (write_tm_constrs_h): this and write complete file.
4850 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4851 (write_insn_preds_c): Add tm-constrs.h to included headers.
4852 (gen_constrs): New variable.
4853 (parse_option): Parse "-c".
4854 (main): Invoke write_tm_constrs_h.
4855 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4856 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4857 (object_out_file): Add tm-constrs.h dependency.
4858 (insn-emit.o): Same.
4859 (insn-output.o): Same.
4860 (insn-peep.o): Same.
4861 (insn-preds.o): Same.
4862 (insn-recog.o): Same.
4863 (tm-constsr.h): New target.
4864 (s-constrs-h): New target.
4866 * config/rs6000/constraints.md: New file.
4867 * config/rs6000/rs6000.c: Include tm-constrs.h.
4868 (num_insn_constant_wide): Convert to satisfies_constraint.
4869 (rs6000_rtx_costs): Convert to satisfies_constraint.
4870 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4871 (CONST_OK_FOR_LETTER_P): Delete.
4872 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4873 (EXTRA_CONSTRAINT): Delete.
4874 (EXTRA_MEMORY_CONSTRAINT): Delete.
4875 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4876 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4877 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4878 satisfies_constraint.
4880 * config/i386/i386.c: Include tm-constrs.h.
4882 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4884 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4885 * tree-data-ref.c (find_data_references_in_loop,
4886 compute_data_dependences_for_loop): Use pointers to VEC.
4887 (analyze_all_data_dependences): Adjust calls.
4888 * tree-data-ref.h (find_data_references_in_loop,
4889 compute_data_dependences_for_loop): Adjust declarations.
4890 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4891 compute_data_dependences_for_loop.
4893 2006-03-29 Paul Brook <paul@codesourcery.com>
4895 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4898 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4900 PR tree-optimization/26859
4901 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4903 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4904 for the step after fold_convert.
4906 2006-03-29 Paul Brook <paul@codesourcery.com>
4908 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4909 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4911 2006-03-29 Paul Brook <paul@codesourcery.com>
4914 * targhooks.c (default_narrow_bitfield): New fuction.
4915 * targhooks.h (default_narrow_bitfield): add prototype.
4916 * target.h (gcc_target): Add narrow_volatile_bitfield.
4917 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4918 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4919 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4920 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4922 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4924 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4926 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4927 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4928 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4929 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4930 (s390_function_arg_float): Allow SDmode and DDmode values to be
4931 passed in floating point registers.
4932 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4933 check with SCALAR_FLOAT_MODE_P.
4934 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4936 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4938 PR tree-optimization/25985
4939 * tree-ssa-loop-niter.c (number_of_iterations_le,
4940 number_of_iterations_ne): Make comments more precise.
4941 (number_of_iterations_cond): Add only_exit argument. Use the
4942 fact that signed variables do not overflow only when only_exit
4944 (loop_only_exit_p): New.
4945 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4946 number_of_iterations_cond.
4948 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4950 PR tree-optimization/26643
4951 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4954 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4956 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4957 (divsi3_i4_int): Likewise.
4959 2006-03-28 Roger Sayle <roger@eyesopen.com>
4961 * expr.c (emit_group_store): Only create a new pseudo reg if the
4962 quantity it needs to hold isn't already a suitable pseudo.
4964 2006-03-28 Jeff Law <law@redhat.com>
4966 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4967 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4969 2006-03-28 Roger Sayle <roger@eyesopen.com>
4971 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4972 the equivalent ~X & Y, and the symmetry related transformations.
4973 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4974 ~X & Y, and symmetry related transforms.
4976 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4978 Revert my 2006-03-27 patches.
4980 2006-03-28 Roger Sayle <roger@eyesopen.com>
4982 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4983 ~(T1)X, when T1 and T2 are integer types of the same precision
4984 and (T2)X isn't an extension.
4986 2006-03-28 Jeff Law <law@redhat.com>
4988 PR tree-optimization/26796
4989 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4990 need EH edge cleanups rather than purging them immediately.
4991 (eliminate_degenerate_phis): Handle queued EH cleanups.
4993 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4995 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4998 2006-03-27 Roger Sayle <roger@eyesopen.com>
5001 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5002 cast BIT_NOT_EXPR operand to the correct type.
5004 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5006 * tree-loop-linear.c: Don't include varray.h.
5007 (gather_interchange_stats, try_interchange_loops,
5008 linear_transform_loops): Use VEC instead of VARRAY.
5009 * lambda-mat.c: Don't include varray.h.
5010 * tree-chrec.c: Same.
5011 * lambda-trans.c: Same.
5012 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5013 VEC instead of VARRAY.
5014 * tree-vectorizer.h: Idem.
5015 * tree-data-ref.c (dump_data_references,
5016 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5017 initialize_data_dependence_relation, finalize_ddr_dependent,
5018 compute_all_dependences, find_data_references_in_loop,
5019 compute_data_dependences_for_loop, analyze_all_data_dependences,
5020 free_dependence_relation, free_dependence_relations,
5021 free_data_refs): Idem.
5022 * tree-data-ref.h (data_reference_p, subscript_p): New.
5023 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5024 VEC instead of VARRAY.
5025 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5026 (find_data_references_in_loop, compute_data_dependences_for_loop,
5027 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5028 dump_data_dependence_relations, free_dependence_relations,
5029 free_data_refs): Adjust declaration.
5030 (lambda_transform_legal_p): Move declaration here...
5031 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5032 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5033 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5034 vect_analyze_data_refs): Use VEC instead of VARRAY.
5035 * lambda.h (lambda_transform_legal_p): ...from here.
5036 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5037 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5038 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5039 tree-chrec.o): Don't depend on VARRAY_H.
5041 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5043 * rtl.def (Copyright): Update date.
5044 (DEPS_LIST): Change type of the second operand to 'int'.
5045 * target.h (Copyright): Update date.
5046 (struct gcc_target.speculate_insn): Change type of the second parameter
5048 * lists.c (Copyright): Update date.
5049 (alloc_DEPS_LIST): Change signature. Update reference to the second
5050 operand of the DEPS_LIST.
5051 (copy_DEPS_LIST_list): Update reference to the second operand of the
5053 * rtl.h (Copyright): Update date.
5054 (alloc_DEPS_LIST): Update signature.
5055 * sched-int.h (Copyright): Update date.
5056 (ds_t): Change typedef to 'int'.
5057 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5059 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5061 * haifa-sched.c (Copyright): Update date.
5062 (try_ready): Change condition to restore non-speculative pattern
5064 (process_insn_depend_be_in_spec): Code to keep probability of the
5065 speculative dependence non-decreasing.
5067 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5069 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5070 shut up the compiler.
5072 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5074 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5075 to use lib prefix for target.
5076 ($(T)libic_invalidate_array_4-200.a): Likewise.
5077 ($(T)libic_invalidate_array_4a.a): Likewise.
5079 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5080 J"orn Rennecke <joern.rennecke@st.com>
5082 * superh.opt: New file.
5083 * sh.c (boardtype, osruntime): Remove.
5084 * superh.h (SUBTARGET_OPTIONS): Remove.
5085 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5087 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5088 arguments with ^ and/or [].
5090 * config.gcc (sh-*-*): Add quoting to account for quirk of
5092 Replace == with = in enable_incomplete_targets test.
5094 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5095 with MASK_LITTLE_ENDIAN.
5097 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5098 * config/sh/sh.opt: Added to some comments.
5099 * config/sh/superh.h: Removed some chaff.
5101 * config/sh/sh.opt: Add m4-[1234]00* options.
5102 * config/sh/sh.c (sh_handle_option): Likewise.
5103 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5104 (ic_invalidate_array_4-100.o): New rule.
5105 ($(T)libic_invalidate_array_4-100.a): Likewise.
5106 (ic_invalidate_array_4-200.o): Likewise.
5107 ($(T)libic_invalidate_array_4-200.a): Likewise.
5108 (ic_invalidate_array_4a.o): Likewise.
5109 ($(T)libic_invalidate_array_4a.a): Likewise.
5110 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5111 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5113 * config/sh/crt1.asm: Merged in profiling code.
5114 * config/sh/superh.h (STARTFILE_SPEC): Override.
5115 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5116 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5117 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5119 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5120 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5121 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5123 * sh.opt (mpretend-cmove): New option.
5124 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5125 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5126 (movsicc): Add TARGET_PRETEND_CMOVE code.
5128 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5130 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5131 s390_class_max_nregs): New function prototypes.
5132 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5133 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5134 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5135 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5137 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5139 * dwarf2out.c (add_location_or_const_value_attribute): Call
5140 tree_add_const_value_attribute if nothing else works.
5141 (reference_to_unused): New.
5142 (rtl_for_decl_init): Use reference_to_unused to decide whether
5143 to output an initializer.
5145 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5148 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5149 peephole removing spe frob_di_df_2.
5151 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5153 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5154 (subscript_dependence_tester_1): Declared.
5155 (print_dir_vectors, print_dist_vectors): New.
5156 (debug_data_dependence_relation): New.
5157 (dump_data_dependence_relation): Print more details.
5158 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5159 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5160 (save_dist_v, save_dir_v, add_outer_distances,
5161 build_classic_dist_vector_1): New.
5162 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5163 Don't test for lambda_vector_lexico_pos.
5164 (same_access_functions, add_multivariate_self_dist,
5165 add_other_self_distances, dir_from_dist): New.
5166 (build_classic_dir_vector): Replace implementation almost identical to
5167 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5169 (subscript_dependence_tester_1): New.
5170 (subscript_dependence_tester): Handle the lexicographically negative
5171 distance vectors by recomputing the dependence relation.
5172 (compute_affine_dependence): Remove parameter loop_nest_depth.
5173 (compute_self_dependence): Don't call compute_subscript_distance.
5174 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5175 Add a parameter for the loop_nest.
5176 (find_loop_nest_1, find_loop_nest): New.
5177 (compute_data_dependences_for_loop): Compute the loop nest, and give
5178 up if the nest is not well formed.
5179 * tree-data-ref.h (loop_p): New.
5180 (struct data_dependence_relation): Replace size_vect field with
5181 loop_nest, a vec of loops.
5182 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5183 (DDR_LOOP_NEST): New.
5184 (print_dir_vectors, print_dist_vectors,
5185 debug_data_dependence_relation): Declared.
5186 (index_in_loop_nest): New.
5187 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5188 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5191 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5193 * simplify-rtx.c (simplify_relational_operation): Call
5194 simplify_relational_operation_1 even if mode is VOIDmode.
5196 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5198 PR tree-optimization/26804
5199 * tree.h (DECL_CALL_CLOBBERED): New macro.
5200 (tree_decl_common): Add call_clobbered_flag.
5201 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5202 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5203 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5204 (mark_non_addressable): Ditto.
5205 * tree-ssa.c (verify_call_clobbered): New function.
5206 (verify_alias_info): Use it.
5207 * tree-pass.h (pass_reset_cc_flags): New prototype.
5208 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5209 (reset_cc_flags): New function.
5210 * passes.c (init_optimization_passes): Call reset_cc_flags after
5211 initializing referenced_vars.
5213 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5214 Roger Sayle <roger@eyesopen.com>
5217 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5218 to 1.0 for non-real operands. Implement A / A optimization for
5221 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5223 * config/i386/i386.c (size_cost): Correct the comment for
5224 cost of storing fp registers.
5225 (i386_cost): Likewise.
5226 (i486_cost): Likewise.
5227 (pentium_cost): Likewise.
5228 (pentiumpro_cost): Likewise.
5229 (k6_cost): Likewise.
5230 (athlon_cost): Likewise.
5231 (k8_cost): Likewise.
5232 (pentium4_cost): Likewise.
5233 (nocona_cost): Likewise.
5234 (generic64_cost): Likewise.
5235 (generic32_cost): Likewise.
5237 2006-03-24 Denis Chertykov <denisc@overta.ru>
5239 * config/avr/avr-protos.h (extra_constraint): Delete.
5240 (extra_constraint_Q): New declaration.
5241 * config/avr/constraints.md: New file.
5242 * config/avr/avr.md: Include it.
5243 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5244 (TMP_REGNO, ZERO_REGNO): Likewise.
5245 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5246 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5247 (extra_constraint): Delete.
5248 (extra_constraint_Q): Test for memory constraint 'Q'.
5249 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5250 (REG_CLASS_FROM_LETTER): Delete.
5251 (CONST_OK_FOR_LETTER_P): Delete.
5252 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5253 (EXTRA_CONSTRAINT): Delete.
5254 (TMP_REGNO): Delete.
5255 (ZERO_REGNO): Delete.
5257 2006-03-24 Jeff Law <law@redhat.com>
5259 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5260 directly. Call mark_new_vars_to_rename slightly earlier.
5262 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5264 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5266 (gen_compile_unit_die): Use new language types for Objective-C and
5268 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5269 DW_LANG_C_plus_plus.
5272 * config/t-darwin (crt3.o): Work around bug 26840.
5273 * config/darwin-crt3.c: Rewrite.
5274 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5276 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5278 * doc/invoke.texi: Document -femit-class-debug-always
5279 * common.opt: Add -femit-class-debug-always.
5281 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5283 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5284 index and base register.
5285 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5286 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5287 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5288 REGNO_OK_FOR_INDEX_P.
5289 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5291 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5292 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5293 REG_OK_FOR_BASE_P): Definitions removed.
5295 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5298 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5299 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5300 set yet or weren't marked as local yet.
5302 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5304 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5307 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5309 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5310 (rs6000_legitimate_small_data_p): Delete.
5311 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5312 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5313 and make static. Add forward declaration. Update uses.
5314 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5315 of offsettable_memref_p.
5316 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5317 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5319 2006-03-24 Jeff Law <law@redhat.com>
5321 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5322 around bug in immediate-use iterator.
5324 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5327 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5328 or __LITTLE_ENDIAN__.
5330 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5332 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5333 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5334 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5335 * config/sh/sh.opt (mdiv=): Amend description.
5336 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5337 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5338 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5339 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5340 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5341 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5342 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5343 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5344 TARGET_DIVIDE_CALL_FP.
5346 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5348 * haifa-sched.c (choose_ready): Fix type of the local variable.
5349 Move local variables. Add comment.
5350 (check_reg_live): Change signature. Make callable from debugger.
5351 * sched-int.h (check_reg_live): Update signature.
5352 * sched-ebb.c (check_reg_live): Update parameters.
5353 * sched-rgn.c (check_reg_live): Ditto.
5354 (region_head_or_leaf_p): Check pointer before dereferencing.
5355 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5356 before reload on optimization levels below 1.
5358 2006-03-23 Richard Henderson <rth@redhat.com>
5360 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5364 * config/alpha/predicates.md (local_symbolic_operand): Reject
5367 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5370 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5371 expressions which have overflowed constants.
5373 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5375 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5377 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5379 * cfgloopmanip.c (create_loop_notes): Removed.
5380 * final.c (final_scan_insn): Do not handle loop notes.
5381 * jump.c (squeeze_notes): Ditto.
5382 * cfglayout.c (skip_insns_after_block,
5383 duplicate_insn_chain): Ditto.
5384 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5386 * cfgloop.h (create_loop_notes): Declaration removed.
5388 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5390 * varasm.c (output_constant_pool): Restore fnname and fndecl
5392 (assemble_start_function): Adjust call accordingly.
5393 (assemble_end_function): Likewise.
5395 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5398 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5401 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5403 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5406 * system.h (ICE_EXIT_CODE): New macro.
5407 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5408 (diagnostic_action_after_output): Likewise.
5409 * gcc.c (fatal_ice): New function.
5410 (execute): Use it instead of fatal.
5411 (fancy_abort): Likewise.
5412 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5414 2006-03-22 Jeff Law <law@redhat.com>
5416 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5417 iv_analyze_result returning false.
5419 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5421 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5423 2006-03-22 Richard Henderson <rth@redhat.com>
5426 * except.c (duplicate_eh_regions_0): New.
5427 (duplicate_eh_region_1): Duplicate the children of the node as
5428 well as the node itself. Link them up properly.
5429 (duplicate_eh_region_2): Merge into ...
5430 (duplicate_eh_regions): ... here. Take copy_region argument, and
5431 copy only a sub-tree if asked. Simplify copying and fixup.
5432 (eh_region_outer_p): New.
5433 * except.h (duplicate_eh_regions): Update decl.
5434 (eh_region_outer_p): Declare.
5435 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5436 (lower_omp_master): Likewise.
5437 (lower_omp_ordered): Likewise.
5438 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5439 (move_stmt_r): Use it to remap labels. Handle recursion vs
5440 remap_decls_p properly.
5441 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5442 (find_outermost_region_in_block): New.
5443 (new_label_mapper): New.
5444 (move_sese_region_to_fn): Copy eh information to the new function
5446 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5448 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5451 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5453 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5454 into shared libraries.
5456 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5458 * doc/md.texi: Refer to i386/constraints.md instead of
5460 * config/i386/constraints.md: New file, extracted from...
5461 * config/i386/predicates.md: ...here.
5462 * config/i386/i386.md: Include constraints.md.
5464 2006-03-21 Jason Merrill <jason@redhat.com>
5466 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5469 * expr.c (init_block_move_fn): Force default visibility.
5470 (init_block_clear_fn): Likewise.
5471 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5472 * targhooks.c (default_external_stack_protect_fail): Likewise.
5474 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5476 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5477 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5478 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5479 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5480 (loadgp): Use mips_current_loadgp_style.
5481 (loadgp_noshared): New pattern.
5482 (sibcall_internal): Use MIPS_CALL.
5483 (sibcall_value_internal): Likewise.
5484 (sibcall_value_multiple_internal): Likewise.
5485 (call_internal): Likewise.
5486 (call_value_internal): Likewise.
5487 (call_value_multiple_internal): Likewise.
5488 (call_split): Use MIPS_CALL and add an 'S' constraint.
5489 (call_value_split): Likewise.
5490 (call_value_multiple_split): Likewise.
5491 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5492 (-mshared): New option.
5493 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5494 (mips_current_loadgp_style): Declare.
5495 * config/mips/mips.c (mips_classify_symbol): Avoid using
5496 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5497 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5498 TARGET_ABSOLUTE_ABICALLS.
5499 (override_options): Adjust comments. Improve the warning that is
5500 issued when -mabicalls and -G are used together.
5501 (mips_file_start): Remove comment.
5502 (mips_current_loadgp_style): New function.
5503 (mips_gnu_local_gp): New variable.
5504 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5506 (mips_output_function_prologue): Use mips_current_laodgp_style.
5507 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5508 the cprestore instruction.
5509 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5510 live for TARGET_ABSOLUTE_ABICALLS.
5511 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5512 (ASM_SPEC): Pass down -mshared and -mno-shared.
5513 (MIPS_CALL): New macro.
5514 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5516 * doc/invoke.texi (-mabicalls): Update documentation.
5517 (-mshared): Document.
5519 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5521 * config/ia64/unwind-hpux.c: New file.
5522 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5524 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5527 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5529 2006-03-21 Jeff Law <law@redhat.com>
5531 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5532 type conversions of a VR_VARYING source to a wider type.
5534 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5536 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5537 tm_file on Solaris 10 and later.
5538 (sparc64-*-solaris2*): Likewise.
5539 (sparc-*-solaris2*): Likewise.
5540 * config/sol26.h: Rename to config/sol2-6.h.
5541 * config/sol2-10.h: New file.
5543 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5546 * tree-ssa-pre.c (create_component_ref_by_pieces):
5549 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5552 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5553 return it immediately.
5555 2006-03-21 Michael Matz <matz@suse.de>
5557 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5559 (remove_arc, add_arc): Update num_out_arcs member.
5560 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5562 (cache_presence): New function.
5563 (compare_states_for_equiv): New function.
5564 (state_is_differed): Don't take number of outargs, adjust callers.
5565 Use new invariant for speeding up.
5566 (init_equiv_class): Create initial classes based on sorted
5568 (partition_equiv_class): Don't track out_arcs_num.
5569 (evaluate_equiv_classes): Call cache_presence on all states and
5572 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5574 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5575 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5576 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5577 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5579 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5580 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5581 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5582 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5583 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5585 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5586 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5587 (REGNO_REG_CLASS): ARGP is in PREGS.
5588 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5590 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5591 to deal with those addresses.
5592 * addresses.h: New file.
5593 * caller-save.c: Include "addresses.h".
5594 (init_caller_save): Use new base_reg_class function.
5595 * rtl-factoring.c: Include "addresses.h".
5596 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5597 * recog.c: Include "addresses.h".
5598 (preprocess_constraints): Use new base_reg_class function.
5599 * regrename.c: Include "addresses.h".
5600 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5601 functions. Keep track of a new var INDEX_CODE to compute valid
5603 (replace_oldest_value_addr): Likewise.
5604 (replace_oldest_value_mem): Use base_reg_class.
5605 * reload.c: Include "addresses.h".
5606 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5607 (find_reloads): Use new base_reg_class function.
5608 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5609 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5610 all callers and prototype changed.
5611 * reload1.c: Include "addresses.h".
5612 (maybe_fix_stack_asms): Use base_reg_class.
5613 * regclass.c: Include "addresses.h".
5614 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5615 (init_reg_autoinc): Use new base_reg_class function.
5616 (record_reg_classes): Likewise.
5617 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5618 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5619 Use new args to compute necessary class.
5621 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5622 regrename.o, rtl-factoring.o): Update dependencies.
5623 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5624 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5625 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5626 REG_OK_FOR_INDEX_P): Delete documentation.
5628 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5630 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5631 from V7 to V9 for Solaris 7 and above.
5633 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5635 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5636 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5637 argument pointers may not alias any other storage.
5638 * common.opt: Define option -fargument-noalias-anything.
5639 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5640 alias semantics is specified by flag_argument_noalias > 2.
5642 2006-03-20 Jeff Law <law@redhat.com>
5644 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5645 (pass_phi_only_cprop): Declare.
5646 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5648 * tree-ssa-dom.c (degenerate_phi_result): New function.
5649 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5650 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5651 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5652 (eliminate_degenerate_phis): Likewise.
5653 (pass_phi_only_cprop): New pass descriptor.
5654 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5655 support code. Callers updated.
5656 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5657 (store_copy_prop): Likewise.
5658 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5660 2006-03-20 Jason Merrill <jason@redhat.com>
5663 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5664 (push_visibility, pop_visibility): Likewise.
5665 * c-pragma.h: Declare them.
5667 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5669 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5671 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5672 parameter and use get_ebb_head_tail.
5673 (sh_md_init_global): Adjust uses of find_regmode_weight.
5675 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5677 * function.h (struct function) <x_tail_recursion_reentry>:
5678 Rename to x_stack_check_probe_note.
5679 (tail_recursion_reentry): Rename to stack_check_probe_note.
5680 * function.c: Replace tail_recursion_reentry with
5681 stack_check_probe_note everywhere.
5682 (expand_function_start): Only emit a note for
5683 stack_check_probe_note with -fstack-protect.
5684 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5686 * emit-rtl.c (remove_unnecessary_notes): Remove.
5687 (pass_remove_unnecessary_notes): Remove.
5688 * rtl.h (remove_unnecessary_notes): Remove prototype.
5689 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5690 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5691 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5693 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5696 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5697 (valid_in_set): Handle ARRAY_REF.
5698 Change "if min_variant or VH" to asserts.
5699 (create_component_ref_by_pieces): Handle ARRAY_REF.
5700 (create_expression_by_pieces): Likewise.
5701 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5703 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5705 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5706 is operand of switch, not str[0].
5708 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5710 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5711 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5713 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5715 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5716 end of insn_extra_address_constraint declaration.
5718 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5720 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5721 (no-sum-in-toc): Same.
5722 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5724 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5725 NO_FP_IN_TOC for -fPIC instead of mask.
5727 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5728 (BOOT_LDFLAGS): Delete.
5730 * config/rs6000/t-aix52: Same.
5732 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5733 (stmsi[345678]_power): New.
5735 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5737 * config/ia64/ia64.opt: Add empty line to end of file.
5739 2006-03-17 Richard Guenther <rguenther@suse.de>
5742 * builtins.c (get_pointer_alignment): For component style references
5743 adjust alignment to the component type alignment. Make sure
5744 to adjust alignment for component access of constants.
5746 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5748 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5751 2006-03-17 Paul Brook <paul@codesourcery.com>
5753 * doc/install.texi: Docuemnt --with-mode.
5754 * config.gcc: Add --with-mode for arm*-*-*.
5755 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5757 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5759 * sh.c (max_labelno_before_reorg): New variable.
5760 (sh_reorg): Initialize it.
5761 (find_barrier): Check max_labelno_before_reorg before using
5762 label_to_alignment. Take length of explicit alignment insns
5763 into account. When seeing a UNSPECV_CONST_END, return it.
5765 * sh.c (fixup_mova): Set mode of affected label to QImode.
5766 (untangle_mova): New function.
5767 (find_barrier): Use it. Check mode of label before decrementing
5769 (sh_reorg): Likewise.
5770 Set mode of all insns back to VOIDmode.
5772 * sh.c (MOVA_LABELREF): New macro.
5773 (mova_p, fixup_mova, sh_reorg): Use it.
5774 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5775 ADDR_DIFF_VEC matches mova.
5777 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5779 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5780 with ATTRIBUTE_UNUSED.
5782 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5784 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5785 pointer, instead of assuming it is possible to derive the
5786 correct args size from a call insn.
5788 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5790 * rtl.h (CONST_INT_P): Define.
5791 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5792 instead of GET_CODE(x) == CONST_INT.
5793 (vax_rtx_costs): Likewise.
5794 (vax_output_int_move): Likewise.
5795 (vax_output_int_add): Likewise.
5796 (legitimate_constant_address_p): Likewise.
5797 (index_term_p): Likewise.
5798 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5799 * config/vax/vax.md (and<mode>3): Likewise.
5800 (ashrsi3): Likewise.
5802 (movstricthi): Likewise.
5803 (movstrictqi): Likewise.
5804 (rotrsi3): Likewise.
5805 (five unnamed insns): Likewise.
5807 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5809 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5810 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5811 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5812 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5813 Pass to ASM_OUTPUT_DWARF_OFFSET.
5814 * dwarf2out.c (debug_frame_section): New.
5815 (output_call_frame_info): Use debug_frame_section. Pass it to
5816 dw2_asm_output_offset.
5817 (output_die): Pass appropriate section to dw2_asm_output_offset.
5818 (output_compilation_unit_header): Likewise.
5819 (output_pubnames): Likewise.
5820 (output_aranges): Likewise.
5821 (enum dw_val_class): Break dw_val_class_lbl_offset into
5822 dw_val_class_lineptr and dw_val_class_macptr.
5823 (add_AT_lbl_offset): Delete.
5824 (add_AT_lineptr): New.
5825 (add_AT_macptr): New.
5826 (AT_lbl): Expect a lineptr or macptr.
5827 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5828 (attr_checksum): Likewise.
5829 (same_dw_val_p): Likewise.
5830 (size_of_die): Likewise.
5831 (value_format): Likewise.
5832 (output_die): Likewise.
5833 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5835 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5836 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5837 * config/darwin-protos.h (darwin_file_start): New.
5838 (darwin_asm_output_dwarf_offset): New.
5839 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5840 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5842 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5843 if not EH section; simplify.
5844 (darwin_file_start): New.
5845 (darwin_asm_output_dwarf_offset): New.
5846 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5848 (DEBUG_INFO_SECTION): Likewise.
5849 (DEBUG_ABBREV_SECTION): Likewise.
5850 (DEBUG_ARANGES_SECTION): Likewise.
5851 (DEBUG_MACINFO_SECTION): Likewise.
5852 (DEBUG_LINE_SECTION): Likewise.
5853 (DEBUG_LOC_SECTION): Likewise.
5854 (DEBUG_PUBNAMES_SECTION): Likewise.
5855 (DEBUG_STR_SECTION): Likewise.
5856 (DEBUG_RANGES_SECTION): Likewise.
5857 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5858 (ASM_OUTPUT_DWARF_OFFSET): New.
5860 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5862 * config.gcc (tm_defines): Always add to previous value rather
5865 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5867 * config/mips/predicates.md (splittable_const_int_operand): New,
5868 split from move_operand.
5869 (splittable_symbolic_operand): New.
5870 (move_operand): Add commentary. Use splittable_const_int_operand.
5871 Inline mips_atomic_symbolic_constant_p.
5872 * config/mips/mips.md: Add combine splitters for handling moves
5873 of splittable_const_int_operands and splittable_symbolic_operands.
5874 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5875 (mips_split_symbol): Declare.
5876 (mips_move_integer): Declare.
5877 * config/mips/mips.c (mips_split_p): Make global.
5878 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5879 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5880 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5881 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5882 (mips_offset_within_object_p): Handle block symbols.
5883 (mips_atomic_symbolic_constant_p): Delete.
5884 (mips_cannot_force_const_mem): Return false for constants that
5885 mips_legitimize_move can handle.
5886 (mips_use_blocks_for_constant_p): New function.
5887 (mips_split_symbol): Make global.
5888 (mips_move_integer): Likewise. Add a temporary register argument.
5889 (mips_legitimize_const_move): Use splittable_const_int_operand and
5890 splittable_symbolic_operand.
5891 (mips_use_anchors_for_symbol_p): New function.
5892 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5893 (mips_split_p): Declare.
5895 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5897 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5898 (mips*-*-linux*): Likewise.
5900 2006-03-16 Roger Sayle <roger@eyesopen.com>
5901 Daniel Speyer <dspeyer@wam.umd.edu>
5904 * tree-dump.c (dump_real): New function.
5905 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5906 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5907 (tree-dump.o): Add $(REAL_H) to the dependencies.
5909 2006-03-16 Roger Sayle <roger@eyesopen.com>
5912 * real.c (real_from_string): If the mantissa is zero, don't bother
5913 parsing the exponent as the result should always be zero.
5915 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5917 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5919 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5921 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5922 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5923 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5924 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5925 ia64_sched_finish_global): New static functions to implement
5926 hooks from gcc_target.sched.
5927 (spec_check_no, max_uid, pending_data_specs): New static variables.
5928 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5929 ia64_spec_check_src_p): New static functions.
5930 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5931 (TARGET_SCHED_ADJUST_COST): Removed.
5932 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5933 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5934 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5935 TARGET_SCHED_GEN_CHECK,
5936 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5937 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5938 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5939 Fixed to handle speculation checks.
5940 (rtx_needs_barrier): Fixed to handle speculative loads and
5942 (ia64_variable_issue): Added code to count speculative loads and their
5944 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5946 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5948 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5950 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5951 (ia64_reorg): Reset stops_p to NULL after it is freed.
5952 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5953 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5954 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5956 (data_speculative, control_speculative, check_load): New attributes.
5957 (mov<mode>_advanced, mov<mode>_speculative,
5958 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5959 zero_extend<mode>di2_speculative,
5960 zero_extend<mode>di2_speculative_advanced): New patterns for
5961 data and control speculative loads.
5962 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5964 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5965 New pattern for data and control speculation checks.
5966 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5967 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5968 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5969 Auxiliary definitions for the patterns.
5970 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5971 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5973 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5975 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5976 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5977 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5978 New resource constraints.
5979 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5981 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5982 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5983 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5984 msched-in-control-spec, msched-ldc, msched-control-ldc,
5985 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5986 msched-prefer-non-control-spec-insns,
5987 msched-count-spec-in-critical-path): New flags to tune speculative
5989 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5990 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5991 msched-in-control-spec, msched-ldc, msched-control-ldc,
5992 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5993 msched-prefer-non-control-spec-insns,
5994 msched-count-spec-in-critical-path): Document new flags.
5996 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5998 * target.h (struct spec_info_def): New opaque declaration.
5999 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6000 speculate_insn, needs_block_p, gen_check,
6001 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6002 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6003 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6004 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6005 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6006 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6008 (TARGET_SCHED): Use new macros.
6009 * rtl.h (copy_DEPS_LIST_list): New prototype.
6010 * sched-int.h (struct sched_info): Change signature of new_ready field,
6011 adjust all initializations. New fields: add_remove_insn,
6012 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6013 region_head_or_leaf_p.
6014 (struct spec_info_def): New structure declaration.
6015 (spec_info_t): New typedef.
6016 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6017 recovery_block, orig_pat.
6018 (glat_start, glat_end): New variables declaraions.
6019 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6021 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6022 DETACH_LIFE_INFO, USE_GLAT.
6023 (enum SPEC_SCHED_FLAGS): New enumeration.
6024 (NOTE_NOTE_BB_P): New macro.
6025 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6026 attach_life_info, debug_spec_status, check_reg_live): New functions.
6027 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6028 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6030 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6031 * ddg.c (get_block_head_tail): Adjust all uses.
6032 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6033 (sms_sched_info): Initialize new fields.
6034 (contributes_to_priority): Removed.
6035 * haifa-sched.c (params.h): New include.
6036 (get_block_head_tail): Adjust all uses.
6037 (ISSUE_POINTS): New macro.
6038 (glat_start, glat_end): New global variables.
6039 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6040 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6041 old_last_basic_block, before_recovery, current_sched_info_var,
6042 rgn_n_insns, luid): New static variables.
6043 (insn_cost1): New function. Move logic from insn_cost to here.
6044 (find_insn_reg_weight1): New function. Move logic from
6045 find_insn_reg_weight to here.
6046 (reemit_notes, move_insn, max_issue): Change signature.
6047 (move_insn1): Removed.
6048 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6049 extend_bb): New static functions to support extension of scheduler's
6051 (generate_recovery_code, process_insn_depend_be_in_spec,
6052 begin_speculative_block, add_to_speculative_block,
6053 init_before_recovery, create_recovery_block, create_check_block_twin,
6054 fix_recovery_deps): New static functions to support
6055 generation of recovery code.
6056 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6057 restore_bb_notes, move_block_after_check, move_succs): New static
6058 functions to support ebb scheduling.
6059 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6060 functions to support handling of register live information.
6061 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6062 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6063 add_jump_dependencies): New static functions.
6064 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6065 consistancy checking.
6066 (debug_spec_status): New function to call from debugger.
6067 (priority): Added code to handle speculation checks.
6068 (rank_for_schedule): Added code to distinguish speculative instructions.
6069 (schedule_insn): Added code to handle speculation checks.
6070 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6071 Fixed to handle ebbs.
6072 (move_insn): Added code to handle ebb scheduling.
6073 (max_issue): Added code to use ISSUE_POINTS of instructions.
6074 (choose_ready): Added code to choose between speculative and
6075 non-speculative instructions.
6076 (schedule_block): Added code to handle ebb scheduling and scheduling of
6077 speculative instructions.
6078 (sched_init): Initialize new variables.
6079 (sched_finish): Free new variables. Print statistics.
6080 (try_ready): Added code to handle speculative instructions.
6081 * lists.c (copy_DEPS_LIST_list): New function.
6082 * sched-deps.c (extend_dependency_caches): New function. Move logic
6083 from create_dependency_caches to here.
6084 (get_dep_weak, ds_merge): Make global.
6085 * genattr.c (main): Code to output prototype for
6086 dfa_clear_single_insn_cache.
6087 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6088 (output_dfa_clean_insn_cache_func): Code to output
6089 dfa_clear_single_insn_cache function.
6090 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6092 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6094 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6095 New static variables.
6096 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6097 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6099 (ebb_sched_info): Initialize new fields.
6100 (get_block_head_tail): Adjust all uses.
6101 (compute_jump_reg_dependencies): Fixed to use glat_start.
6102 (schedule_ebb): Code to remove unreachable last block.
6103 (schedule_ebbs): Added code to update register live information.
6104 * sched-rgn.c (region_sched_info): Initialize new fields.
6105 (get_block_head_tail): Adjust all uses.
6106 (last_was_jump): Removed. Adjust users.
6107 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6108 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6109 Implement new hooks.
6110 (check_dead_notes1): New static function.
6111 (struct region): New fields: dont_calc_deps, has_real_ebb.
6112 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6113 (BB_TO_BLOCK): Fixed to handle EBBs.
6114 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6115 (ebb_head): New static variable.
6116 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6117 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6119 (compute_dom_prob_ps): New assertion.
6120 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6121 global_live_at_start.
6122 (init_ready_list): New assertions.
6123 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6124 (new_ready): Add support for BEGIN_CONTROL speculation.
6125 (schedule_insns): Fixed code that updates register live information
6127 (schedule_region): Fixed to handle EBBs.
6128 (init_regions): Use extend_regions and check_dead_notes1.
6129 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6130 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6131 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6132 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6133 TARGET_SCHED_GEN_CHECK,
6134 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6135 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6136 * doc/invoke.texi (max-sched-insn-conflict-delay,
6137 sched-spec-prob-cutoff): Document.
6139 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6141 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6142 inter_tick, queue_index.
6143 (struct sched_info): Change signature of init_ready_list field.
6144 Adjust all initializations.
6145 (RESOLVED_DEPS): New access macro.
6146 (ready_add): Remove prototype.
6147 (try_ready): Add prototype.
6148 * sched-rgn.c (init_ready_list): Use try_ready.
6149 (schedule_region): Initialize
6150 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6151 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6152 (init_ready_list): Use try_ready.
6153 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6154 * lists.c (remove_list_elem): Remove `static'.
6155 (remove_free_INSN_LIST_elem): New function.
6156 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6157 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6158 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6160 (readyp): New variable.
6161 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6162 change_queue_index, resolve_dep): New static functions.
6163 (try_ready): New function. Adjust callers in sched-rgn.c and
6164 sched-ebb.c to use it instead of ready_add.
6165 (clock_var): Move at the begining of file.
6166 (rank_for_schedule): Fix typo.
6167 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6168 (ready_lastpos): Enforce assertion.
6169 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6171 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6172 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6173 (queue_to_ready): Use free_INSN_LIST_list.
6174 (early_queue_to_ready): Fix typo.
6175 (schedule_block): Init readyp. Move init_ready_list call after the
6176 initialization of clock_var. Fix error in rejecting insn by
6177 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6178 that previously corrected INSN_TICKs. Add code for handling
6180 (set_priorities): Fix typo.
6181 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6182 Clarify comment and code that keeps current_sched_info->next_tail
6185 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6187 * sched-rgn.c (extend_rgns): New static function.
6188 (find_rgns): Use it.
6189 (gather_region_statistics, print_region_statistics): New static
6191 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6192 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6194 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6195 Andrey Belevantsev <abel@ispras.ru>
6197 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6198 * lists.c (unused_deps_list): New variable.
6199 (free_list): Add assertions to verify the proper distinguishing
6200 between INSN_LISTs and DEPS_LISTs.
6201 (find_list_elem, remove_list_elem, remove_list_node): New static
6203 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6204 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6205 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6206 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6208 (free_INSN_LIST_node): Likewise.
6209 * modulo-sched.c (current_sched_info): Initialize flags field.
6210 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6211 * rtl.def (DEPS_LIST): Define.
6212 * rtl.h: Declare new functions from lists.c.
6213 * sched-deps.c (spec_dependency_cache): New static variable.
6214 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6215 (add_dependence): Change return type to void. Move the logic to ...
6216 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6217 (delete_all_dependences): Add comment about forward_dependency_cache.
6218 Handle spec_dependency_cache. Handle DEPS_LISTs.
6219 (fixup_sched_groups): Clarify the change of priority of output
6220 and anti dependencies.
6221 (sched_analyze_2): Adjust add_dependence calls to create data
6222 speculative dependence.
6223 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6224 Adjust all callers. Handle DEPS_LISTS.
6225 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6226 presence of speculation.
6227 (init_dependency_caches, free_dependency_caches):
6228 Handle spec_dependency_cache.
6229 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6230 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6231 New static functions.
6232 (add_or_update_back_dep, add_or_update_back_forw_dep,
6233 add_back_forw_dep, delete_back_forw_dep): New functions.
6234 * sched-int.h (ds_t, dw_t): New typedefs.
6235 (struct sched_info): Add new field flags.
6236 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6237 Prototype new sched-deps.c functions.
6238 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6239 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6240 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6241 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6242 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6243 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6245 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6247 * sched-rgn.c (current_sched_info): Initialize flags field.
6248 (schedule_insns): Initialize current_sched_info before the sched_init
6250 * sched-ebb.c (current_sched_info): Initialize flags field.
6251 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6252 Call add_or_update_back_dep instead of add_dependence.
6253 Create control speculative dependencies.
6254 (schedule_insns): Initialize current_sched_info before the sched_init
6257 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6259 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6261 (sh_fallback_frame_state): Likewise.
6263 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6265 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6266 Do switch on default_use_cxa_atexit.
6267 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6268 * config/darwin-crt3.o: New.
6269 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6270 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6271 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6273 * config/rs6000/t-darwin: Move crt2.o building to here.
6274 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6275 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6278 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6280 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6281 from '! xxx' to '!xxx' for coding-style conformance.
6282 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6283 (EXTRA_CONSTRAINT): Likewise.
6284 * config/vax/vax.md (four unnamed insns): Likewise.
6286 2006-03-15 Paul Brook <paul@codesourcery.com>
6288 * config/arm/arm.c (minipool_pad): New.
6289 (add_minipool_forward_ref): Include pool alignment padding in address
6291 (push_minipool_fix): Set minipool_pad.
6292 (minipool_pad): Ditto.
6294 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6296 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6297 instead of GET_CODE() == MEM and REG_P() instead of
6299 (print_operand_address): Likewise.
6300 (vax_address_cost): Likewise.
6301 (vax_rtx_costs): Likewise.
6302 (vax_notice_update_cc): Likewise.
6303 (vax_output_int_add): Likewise.
6304 (INDEX_REGISTER_P): Likewise.
6305 (BASE_REGISTER_P): Likewise.
6306 (nonindexed_address_p): Likewise.
6307 (vax_mode_dependent_address_p): Likewise.
6308 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6309 (PRINT_OPERAND): Likewise.
6310 * config/vax/vax.md (ashlsi3): Likewise.
6311 (ashlsi3): Likewise.
6312 (some more unnamed insns): Likewise.
6314 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6316 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6317 iterator-style macro.
6318 (mark_control_dependent_edges_necessary): Update the use of
6319 EXECUTE_IF_CONTROL_DEPENDENT.
6321 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6323 * config/sh/predicates.md (cache_address_operand): Special.
6324 (ua_address_operand): Likewise.
6326 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6328 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6330 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6332 2006-03-15 Andreas Schwab <schwab@suse.de>
6334 * gensupport.c (identify_predicable_attribute): Don't free p_false
6335 when it is still in use.
6337 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6339 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6340 the default setting here.
6342 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6344 * tree-pass.h (pass_cfg): Remove.
6345 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6346 * passes.c (pass_cfg): Don't run it.
6348 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6350 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6351 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6353 (stack_regs_mentioned): Update the uses of
6354 stack_regs_mentioned_data. Don't access the array beyond its
6356 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6357 Don't include gt-reg-stack.h.
6359 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6360 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6362 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6365 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6368 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6370 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6372 2006-03-14 Richard Guenther <rguenther@suse.de>
6374 PR tree-optimization/26672
6375 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6378 2006-03-14 Richard Guenther <rguenther@suse.de>
6380 PR tree-optimization/26667
6381 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6382 node for the callees. Always allow inlining if it will shrink
6385 2006-03-14 Richard Guenther <rguenther@suse.de>
6388 * builtins.c (get_pointer_alignment): Prefer alignment
6389 information from decls over that from types.
6391 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6394 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6396 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6398 * config/rs6000/rs6000.opt (mdlmzb): New option.
6399 (msched-prolog, msched-epilog): Use Var not Mask.
6400 * doc/invoke.texi (-mdlmzb): Document.
6401 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6403 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6404 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6406 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6408 PR rtl-optimization/25739
6409 * bt-load.c (augment_live_range): Free tos pointer.
6411 * gensupport.c (identify_predicable_attribute): Free
6413 * gcov.c (create_file_names): Free name pointer.
6415 2006-03-13 Roger Sayle <roger@eyesopen.com>
6418 * stmt.c (emit_case_nodes): Handle the case where the index is a
6419 CONST_INT, where the comparison mode is specified by the index type.
6421 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6423 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6426 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6428 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6429 (*branch_fp_inverted): Likewise.
6431 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6434 * omp-low.c (expand_omp_for_generic): Mark istart0
6435 and iend0 as addressable.
6437 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6439 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6441 2006-03-13 Jeff Law <law@redhat.com>
6443 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6444 virtual operands are interesting.
6445 (vrp_visit_stmt): Corresponding changes.
6447 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6449 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6451 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6452 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6453 * config/bfin/crti.S: Use it instead of __PIC__.
6454 * config/bfin/crtn.S: Likewise.
6456 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6457 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6459 Lose 'G' modifier for call operand.
6460 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6461 recognize 'G' modifier.
6463 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6466 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6467 * stmt.c (expand_case): Likewise.
6469 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6471 PR rtl-optimization/26254
6472 * loop-invariant.c (seq_insns_valid_p): New function.
6473 (move_invariant_reg): Only emit new code if it is valid.
6475 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6477 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6479 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6480 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6481 (commit_one_edge_insertion): Do not look for loop notes.
6483 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6485 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6486 flag_test_coverage out of loop.
6488 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6490 * final.c (shorten_branches): Remove outdated comment, and turn
6491 the if branch that guards it to continue.
6493 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6495 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6496 * cfgloop.h (struct loop): Remove unused fields.
6498 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6500 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6501 (-dL, -fdump-rtl-loop2): Update the dump file names
6503 * doc/invoke.texi: Update dump file names.
6505 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6507 * predict.c (estimate_probability): Remove.
6508 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6509 * basic-block.h (estimate_probability): Remove prototype.
6510 * passes.c (finish_optimization_passes): Dump branch prediction or
6511 profiling heuristics to the .profile tree dump.
6512 (init_optimization_passes): Unqueue pass_branch_prob.
6514 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6516 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6518 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6519 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6521 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6523 * function.h (frame_offset_overflow): Declare.
6524 * function.c (frame_offset_overflow): New function.
6525 (assign_stack_local_1): Call it to detect that the offset overflows.
6526 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6528 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6530 * config/sh/sh.c: Include alloc-pool.h.
6531 (label_ref_list_pool): New alloc pool.
6532 (label_ref_list_t): New type for lists of labels.
6533 (struct pool_node): Make wend a label_ref_list_t.
6534 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6536 (dump_table): Likewise.
6537 (sh_reorg): Set up the alloc pool before using add_constant and
6538 dump_table, and destroy it when finishing.
6540 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6542 * config/mips/mips.c: Remove redundant comment.
6544 2006-03-10 Jason Merrill <jason@redhat.com>
6547 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6548 the target was declared 'register'.
6550 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6552 * genpreds.c (write_insn_constraint_len): Change definition of
6553 insn_constraint_len to return size_t to match the declaration.
6555 2006-03-10 DJ Delorie <dj@redhat.com>
6557 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6559 (m32c_expand_insv): Fix test for an AND mask.
6561 2006-03-10 Richard Guenther <rguenther@suse.de>
6564 * builtins.c (get_pointer_alignment): Handle component
6565 references for field alignment.
6567 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6569 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6570 when building with libgloss.
6571 (sh*elf): Implement --without-fp option.
6572 (sh64-superh-linux*): Don't multilib.
6574 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6576 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6578 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6580 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6581 Set it when one of the replacement functions returned true.
6582 Return TODO_cleanup_cfg if cfgchanged is true.
6583 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6585 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6587 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6588 instead of gen_lowpart.
6590 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6592 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6594 (mips_output_order_conditional_branch): Declare.
6595 * config/mips/mips.h (MIPS_BRANCH): New macro.
6596 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6597 for the comparison. Use gen_condjump.
6598 (mips_output_conditional_branch): Rework interface to take the
6599 asm templates for a direct branch and the inverse of a direct branch.
6600 (mips_output_order_conditional_branch): New function.
6601 (mips_builtin_branch_and_move): New function.
6602 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6603 branch condition. Use gen_single_cc as the condition for
6604 __builtin_mips_upper_* or __builtin_mips_lower_*.
6605 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6606 Use VOIDmode for the branch condition.
6607 * config/mips/predicates.md (order_operator): New predicate.
6608 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6609 (branch_fp): Rename to...
6610 (*branch_fp): ...this. Remove mode from comparison operator.
6611 Use new mips_output_conditional_branch interface.
6612 (branch_fp_inverted): Rename to...
6613 (*branch_fp_inverted): ...this and update as for *branch_fp.
6614 (*branch_zero<mode>): Rename to...
6615 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6616 Use mips_output_order_conditional_branch. Only accept ordered
6618 (*branch_zero<mode>_inverted): Rename to...
6619 (*branch_order<mode>_inverted): ...this and update as for
6620 *branch_order<mode>.
6621 (*branch_equality<mode>): Accept zero as the second operand to
6622 the equality operator. Use the new mips_output_conditional_branch
6624 (*branch_equality<mode>_inverted): Likewise.
6625 (condjump): New expander.
6626 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6628 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6629 (bc1any2t, bc1any2f): Likewise.
6630 (single_cc): New expander.
6631 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6633 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6635 * doc/md.texi: Update documentation of MIPS constraints.
6636 * config/mips/constraints.md: New file.
6637 * config/mips/mips.md: Include it.
6638 * config/mips/mips.c (mips_char_to_class): Delete.
6639 (override_options): Don't initialize mips_char_to_class.
6640 * config/mips/mips.h (mips_char_to_class): Delete.
6641 (REG_CLASS_FROM_LETTER): Delete.
6642 (CONST_OK_FOR_LETTER_P): Delete.
6643 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6644 (EXTRA_CONSTRAINT_Y): Delete.
6645 (EXTRA_CONSTRAINT_STR): Delete.
6646 (CONSTRAINT_LEN): Delete.
6647 (EXTRA_MEMORY_CONSTRAINT): Delete.
6649 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6651 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6652 original fn's eh regions.
6654 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6656 * fold-const.c (build_range_check): Make sure to use a valid type to
6657 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6660 (range_predecessor): New static function.
6661 (range_successor): Likewise.
6662 (merge_ranges): Use them to compute predecessors and successors of
6665 2006-03-09 Roger Sayle <roger@eyesopen.com>
6668 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6669 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6671 2006-03-08 DJ Delorie <dj@redhat.com>
6673 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6674 (addpsi3): Expand to include memory operands. Remove
6675 reload-specific splits.
6676 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6677 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6678 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6679 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6680 (shift1_qi, shift1_hi, insv): New.
6681 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6682 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6683 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6685 * config/m32c/m32c-protos.h: Update as needed.
6686 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6687 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6688 Fail for unrecognized R* constraints.
6689 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6690 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6691 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6693 (m32c_init_libfuncs): New.
6694 (m32c_legitimate_address_p): Add debug wrapper.
6695 (m32c_rtx_costs): New.
6696 (m32c_address_cost): New.
6697 (conversions): Add 'B' prefix.
6698 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6699 operands, or word regnames for QI operands. 'B' prints bit
6701 (m32c_expand_setmemhi): New.
6702 (m32c_expand_movmemhi): New.
6703 (m32c_expand_movstr): New.
6704 (m32c_expand_cmpstr): New.
6705 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6706 (m32c_expand_neg_mulpsi3): Handle non-ints.
6707 (m32c_cmp_flg_0): New.
6708 (m32c_expand_movcc): New.
6709 (m32c_expand_insv): New.
6710 (m32c_scc_pattern): New.
6711 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6712 a0/a1 out of SIregs.
6713 (STORE_FLAG_VALUE): New.
6714 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6717 * config/m32c/mov.md: Make constraints more liberal.
6718 (zero_extendqihi2): Optimize r0/r1 case.
6719 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6720 * config/m32c/predicates.md (m32c_any_operand): New.
6721 (m32c_nonimmediate_operand): New.
6722 (m32c_hl_operand): New.
6723 (m32c_r3_operand): New.
6726 (memsym_operand): New.
6727 (memimmed_operand): New.
6728 (a_qi_operand): New.
6729 (m32c_eqne_operator): New.
6730 (m32c_1bit8_operand): New.
6731 (m32c_1bit16_operand): New.
6732 (m32c_1mask8_operand): New.
6733 (m32c_1mask16_operand): New.
6734 * config/m32c/blkmov.md: New file.
6735 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6737 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6739 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6740 unsigned to fix signed/unsigned comparison issue in
6741 DWARF2_FRAME_REG_OUT.
6742 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6743 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6745 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6746 of ptr into the ENABLE_CHECKING section.
6748 2006-03-08 Jeff Law <law@redhat.com>
6750 * tree-vrp.c (infer_value_range): Only count pointer uses
6751 and dereferences if -fdelete-null-pointer-checks is enabled.
6753 * tree-vrp.c (find_assert_locations): Infer value ranges for
6754 single use pointers, but do not create ASSERT_EXPRs for them.
6755 When a non-null range is inferred for a pointer, backwards
6756 propagate that range to other equivalent pointers through the
6759 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6762 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6763 language hook targets.
6764 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6765 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6766 if language hook targets were missing.
6768 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6770 * tree-ssa-opfinalize.h: Removed.
6771 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6773 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6774 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6775 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6776 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6777 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6778 finalize_ssa_v_must_def_ops): New.
6780 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6782 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6785 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6787 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6789 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6790 addresses with offsets; reorganize.
6792 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6793 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6794 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6796 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6799 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6801 2006-03-08 Ben Elliston <bje@au.ibm.com>
6803 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6805 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6808 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6811 2006-03-07 Richard Guenther <rguenther@suse.de>
6813 PR tree-optimization/26587
6814 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6816 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6818 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6820 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6822 * hooks.c (hook_bool_mode_rtx_true): New function.
6823 * hooks.h (hook_bool_mode_rtx_true): Declare.
6824 * toplev.c (compile_file): Call output_shared_constant_pool.
6825 * varasm.c (shared_constant_pool): New variable.
6826 (assemble_start_function, assemble_end_function): Remove arguments
6827 from call to output_constant_pool.
6828 (create_constant_pool): New function, split out from...
6829 (init_varasm_status): ...here.
6830 (force_const_mem): Choose between the shared and per-function constant
6831 pools. Set current_function_uses_const_pool when reusing old entries
6832 as well as when creating new ones.
6833 (mark_constant): Ignore data argument.
6834 (mark_constants): Remove pool argument.
6835 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6836 to decide whether the function uses a constant pool.
6837 (output_constant_pool_contents): New function, split out from...
6838 (output_constant_pool): ...here.
6839 (output_shared_constant_pool): New function.
6840 (init_varasm_once): Initialize shared_constant_pool.
6841 * output.h (output_constant_pool): Delete.
6842 (output_shared_constant_pool): Declare.
6843 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6844 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6846 2006-03-06 Nick Clifton <nickc@redhat.com>
6848 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6849 flag_strength_reduce.
6851 2006-03-06 Ben Elliston <bje@au.ibm.com>
6853 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6854 x86_64-*-linux* configurations.
6856 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6857 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6859 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6861 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6863 * basic-block.h: Remove the extern for
6864 rediscover_loops_after_threading.
6866 * cfgloop.c (cancel_loop): Make it static.
6867 * cfgloop.h: Remove the prototype for cancel_loop.
6869 * flow.c (recompute_reg_usage): Make it static.
6870 * rtl.h: Remove the prototype for recompute_reg_usage.
6872 * function.c (use_return_register): Make it static.
6873 * function.h: Remove the prototype.
6875 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6877 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6879 * recog.h: Remove the prototype for
6880 validate_change_maybe_volatile.
6882 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6884 * rtlanal.c (replace_reg): Remove.
6885 * rtl.h: Remove the prototype for replace_reg.
6887 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6889 * regclass.c (reg_scan_update): Remove.
6890 (reg_scan_mark_refs): Remove the last argument.
6891 * rtl.h: Remove the prototype for reg_scan_update.
6893 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6895 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6896 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6897 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6898 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6899 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6900 loop-invariant.c, omp-low.c, opts.c, passes.c,
6901 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6902 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6903 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6904 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6905 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6906 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6908 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6910 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6911 * dwarf2out.h: Remove the prototype for
6912 dwarf2out_add_library_unit_info.
6914 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6916 * tree.c (add_var_to_bind_expr): Remove.
6917 * tree.h: Remove the prototype for add_var_to_bind_expr.
6919 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6921 * regclass.c (n_non_fixed_regs): Remove.
6922 (init_reg_sets_1, globalize_reg): Remove all uses of
6924 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6926 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6928 * rtlanal.c (insns_safe_to_move_p): Remove.
6929 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6931 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6933 * expmed.c (expand_mult_add): Remove.
6934 * expr.h: Remove the prototype for expand_mult_add.
6936 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6938 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6939 and REG_SAVED_VAL_EXP constants.
6940 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6941 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6942 Handle regs stored by value.
6943 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6944 (execute_cfa_program): Handle DW_CFA_val_offset,
6945 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6946 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6947 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6948 (uw_install_context_1): Handle target regs stored by value.
6950 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6952 * tree-sra.c (tree_sra): Return todoflags;
6953 (generate_one_element): Set TODO_update_smt_usage if needed.
6954 (pass_sra): Remove TODO_update_smt_usage.
6955 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6957 (tree_ssa_forward_propagate_single_use_vars): Return
6958 TODO_update_smt_usage if we need to update SMT usage.
6959 (pass_forwprop): Remove TODO_update_smt_usage.
6961 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6963 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6964 (correct_use_link): Remove reference to get_stmt_operands.
6965 (update_stmt_operands): Likewise.
6966 (get_modify_expr_operands): New function factored out of
6967 parse_ssa_operands and get_expr_operands.
6968 Try to create V_MUST_DEFs for LHS by default.
6969 (get_expr_operands) <case MODIFY_EXPR>: Call
6970 get_modify_expr_operands.
6971 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6972 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6973 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6974 get_modify_expr_operands.
6976 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6978 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6979 * tree-flow.h: Remove the prototype for
6980 referenced_var_lookup_if_exists.
6982 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6984 PR rtl-optimization/26345
6986 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6988 2006-03-03 Roger Sayle <roger@eyesopen.com>
6990 PR tree-optimization/26524
6991 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6992 fold_convert to create a constant of the appropriate type.
6994 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6996 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6997 SYMBOL_REF_IN_BLOCK_P.
6998 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6999 of SYMBOL_FLAG_IN_BLOCK.
7000 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7001 instead of SYMBOL_REF_IN_BLOCK_P.
7002 * explow.c (use_anchored_address): Likewise.
7003 * rtl.c (rtx_size): Likewise.
7004 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7005 instead of SYMBOL_FLAG_IN_BLOCK.
7006 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7007 SYMBOL_REF_IN_BLOCK_P.
7008 (assemble_variable): Likewise.
7009 (output_constant_def_contents): Likewise.
7010 (output_constant_pool): Likewise.
7011 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7012 instead of SYMBOL_FLAG_IN_BLOCK.
7013 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7014 SYMBOL_REF_IN_BLOCK_P.
7015 (SYMBOL_REF_BLOCK): Likewise.
7016 (SYMBOL_REF_OFFSET): Likewise.
7017 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7018 SYMBOL_REF_IN_BLOCK_P.
7019 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7020 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7021 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7022 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7024 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7026 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7028 2006-03-02 Roger Sayle <roger@eyesopen.com>
7030 * simplify-rtx.c (simplify_unary_operation): When simplifying
7031 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7032 that we perform the right shift in the appropriate mode, and
7033 then extend or truncate the result to requested mode.
7035 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7037 * gengtype.c (main): Handle double_int type.
7038 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7039 * double-int.c: New file.
7040 * double-int.h: New file.
7041 * system.h: Include doubleint.h.
7042 * Makefile.in (SYSTEM_H): Include double-int.h.
7043 (double-int.o): Add.
7045 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7048 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7051 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7053 * tree-vrp.c (remove_range_assertions): Do not update statements
7056 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7058 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7060 * gcse.c (rest_of_handle_gcse): Ditto.
7061 * except.c (gate_handle_eh): Ditto.
7062 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7063 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7065 2006-03-02 Eric Christopher <echristo@apple.com>
7067 * config/i386/i386.c (machopic_output_stub): Add indirection to
7070 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7074 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7076 Sun Niagara specific optimizations.
7077 * config.gcc: Recognize niagara as target.
7078 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7079 (TARGET_CPU_niagara): Define.
7080 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7081 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7082 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7083 (ASM_CPU_SPEC): Likewise.
7084 (PROCESSOR_NIAGARA): New enum entry.
7085 (REGISTER_MOVE_COST): Handle Niagara.
7086 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7087 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7088 (sparc_override_options): Recognize "niagara", set appropriate
7089 default MASK_* values for it, and align functions to 32-bytes
7090 by default just like ULTRASPARC/ULTRASPARC3.
7091 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7092 (sparc64_initialize_trampoline): Likewise.
7093 (sparc_use_sched_lookahead): Use zero for niagara.
7094 (sparc_issue_rate): Use one for niagara.
7095 * config/sparc/niagara.md: New file.
7096 * config/sparc/sparc.md: Include it.
7097 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7098 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7099 when default cpu is niagara.
7100 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7101 (ASM_CPU_SPEC): Likewise.
7102 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7103 when default cpu is niagara.
7104 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7105 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7106 just like v9/ultrasparc/ultrasparc3.
7107 * doc/invoke.texi: Add documentation for "niagara" and improve
7108 existing documentation for ultrasparc variants.
7110 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7112 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7114 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7116 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7117 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7118 and say that only one is needed.
7119 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7120 * target.h (have_switchable_bss_sections): New hook.
7121 * explow.c (use_anchored_address): Check that the symbol is in a block.
7122 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7123 (bss_noswitch_section): New variables.
7124 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7125 (get_noswitch_section): New function.
7126 (get_block_for_section): Allow SECT to be null.
7127 (unlikely_text_section_p): Use SECTION_STYLE.
7128 (bss_initializer_p): New function.
7129 (get_variable_section): Move earlier in file. Take a new argument,
7130 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7131 Return one of the new *_sections in such cases.
7132 (get_block_for_decl): New function, extracting some logic from
7133 use_blocks_for_decl_p.
7134 (change_symbol_section): Remove in favor of...
7135 (change_symbol_block): ...this new function.
7136 (use_blocks_for_decl_p): Remove checks now performed by
7138 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7139 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7140 (emit_local, emit_bss, emit_common): ...these new functions.
7141 Return true if the alignment was honored.
7142 (emit_tls_common): New function.
7143 (asm_emit_uninitialised): Delete.
7144 (assemble_variable_noswitch): New function, split out from...
7145 (assemble_variable): ...here. Don't make decisions about common
7146 variables here. Globalize all public decls that go into non-common
7147 sections. Check whether SYMBOL_REF_BLOCK is null.
7148 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7149 (output_constant_pool): Likewise.
7150 (init_varasm_once): Initialize the new section variables.
7151 (have_global_bss_p): New function.
7152 (categorize_decl_for_section): Use bss_initializer_p.
7153 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7154 (place_block_symbol): Assert that the symbol must be in a block.
7155 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7156 (TARGET_INITIALIZER): Include it.
7157 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7158 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7159 (SECTION_MACH_DEP): Bump by two.
7160 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7161 (unnamed_section): Mention SECTION_UNNAMED in comment.
7162 (named_section): Likewise SECTION_NAMED.
7163 (noswitch_section_callback): New type.
7164 (noswitch_section): New structure.
7165 (section): Add a noswitch_section alternative.
7166 (SECTION_STYLE): New macro.
7167 (tls_comm_section, comm_section, lcomm_section): Declare.
7168 (bss_noswitch_section, have_global_bss_p): Declare.
7169 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7170 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7172 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7173 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7176 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7178 * tree-vrp.c (execute_vrp): Return value.
7179 * regrename.c (rest_of_handle_regrename): Ditto.
7180 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7181 * tree-complex.c (tree_lower_complex): Ditto.
7182 (tree_lower_complex_O0): Ditto.
7183 * tracer.c (rest_of_handle_tracer): Ditto.
7184 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7185 * postreload.c (rest_of_handle_postreload): Ditto.
7186 * tree-tailcall.c (execute_tail_recursion): Ditto.
7187 (execute_tail_calls): Ditto.
7188 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7189 * tree.h (init_function_for_compilation): Ditto.
7190 * ipa-cp.c (ipcp_driver): Ditto.
7191 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7192 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7193 * final.c (compute_alignments): Ditto.
7194 (rest_of_handle_final): Ditto.
7195 (rest_of_handle_shorten_branches): Ditto.
7196 (rest_of_clean_state): Ditto.
7197 * omp-low.c (execute_expand_omp): Ditto.
7198 (execute_lower_omp): Ditto.
7199 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7200 * ipa-reference.c (static_execute): Ditto.
7201 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7202 * reorg.c (rest_of_handle_delay_slots): Ditto.
7203 (rest_of_handle_machine_reorg): Ditto.
7204 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7205 * flow.c (recompute_reg_usage): Ditto.
7206 (rest_of_handle_remove_death_notes): Ditto.
7207 (rest_of_handle_life): Ditto.
7208 (rest_of_handle_flow2): Ditto.
7209 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7210 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7211 (do_ssa_store_ccp): Ditto.
7212 (execute_fold_all_builtins): Ditto.
7213 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7214 * modulo-sched.c (rest_of_handle_sms): Ditto.
7215 * ipa-pure-const.c (static_execute): Ditto.
7216 * cse.c (rest_of_handle_cse): Ditto.
7217 (rest_of_handle_cse2): Ditto.
7218 * web.c (rest_of_handle_web): Ditto.
7219 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7220 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7221 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7222 * tree-nrv.c (tree_nrv): Ditto.
7223 (execute_return_slot_opt): Ditto.
7224 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7225 (create_structure_vars): Ditto.
7226 * loop-init.c (rtl_loop_init): Ditto.
7227 (rtl_loop_done): Ditto.
7228 (rtl_move_loop_invariants): Ditto.
7229 (rtl_unswitch): Ditto.
7230 (rtl_unroll_and_peel_loops): Ditto.
7231 (rtl_doloop): Ditto.
7232 * gimple-low.c (lower_function_body): Ditto.
7233 (mark_used_blocks): Ditto.
7234 * tree-ssa-sink.c (execute_sink_code): Ditto.
7235 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7236 (cgraph_early_inlining): Ditto.
7237 * global.c (rest_of_handle_global_alloc): Ditto.
7238 * jump.c (cleanup_barriers): Ditto.
7239 (purge_line_number_notes): Ditto.
7240 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7241 (rest_of_handle_if_after_reload): Ditto.
7242 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7243 (tree_ssa_loop_im): Ditto.
7244 (tree_ssa_loop_unswitch): Ditto.
7245 (tree_vectorize): Ditto.
7246 (tree_linear_transform): Ditto.
7247 (tree_ssa_loop_ivcanon): Ditto.
7248 (tree_ssa_empty_loop): Ditto.
7249 (tree_ssa_loop_bounds): Ditto.
7250 (tree_complete_unroll): Ditto.
7251 (tree_ssa_loop_prefetch): Ditto.
7252 (tree_ssa_loop_ivopts): Ditto.
7253 (tree_ssa_loop_done): Ditto.
7254 * predict.c (tree_estimate_probability): Ditto.
7255 * recog.c (split_all_insns_noflow): Ditto.
7256 (rest_of_handle_peephole2): Ditto.
7257 (rest_of_handle_split_all_insns): Ditto.
7258 * tree-eh.c (lower_eh_constructs): Ditto.
7259 * regmove.c (rest_of_handle_regmove): Ditto.
7260 (rest_of_handle_stack_adjustments): Ditto.
7261 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7262 * function.c (instantiate_virtual_regs): Ditto.
7263 (init_function_for_compilation): Ditto.
7264 (rest_of_handle_check_leaf_regs): Ditto.
7265 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7266 (rest_of_handle_gcse): Ditto.
7267 * ipa-type-escape.c (type_escape_execute): Ditto.
7268 * alias.c (rest_of_handle_cfg): Ditto.
7269 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7270 * profile.c (rest_of_handle_branch_prob): Ditto.
7271 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7272 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7273 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7274 * tree-dfa.c (find_referenced_vars): Ditto.
7275 * except.c (set_nothrow_function_flags): Ditto.
7276 (convert_to_eh_region_ranges): Ditto.
7277 (rest_of_handle_eh): Ditto.
7278 * emit-rtl.c (unshare_all_rtl): Ditto.
7279 (remove_unnecessary_notes): Ditto.
7280 * except.h (set_nothrow_function_flags): Ditto.
7281 (convert_to_eh_region_ranges): Ditto.
7282 * cfgexpand.c (tree_expand_cfg): Ditto.
7283 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7284 * tree-ssa-pre.c (do_pre): Ditto.
7285 (execute_fre): Ditto.
7286 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7287 (rest_of_handle_jump2): Ditto.
7288 * tree-sra.c (tree_sra): Ditto.
7289 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7290 (execute_mudflap_function_decls): Ditto.
7291 * tree-ssa-copy.c (do_copy_prop): Ditto.
7292 (do_store_copy_prop): Ditto.
7293 * ipa-prop.h (ipcp_driver): Ditto.
7294 * cfglayout.c (insn_locators_initialize): Ditto.
7295 * tree-ssa-forwprop.c
7296 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7297 * cfglayout.h (insn_locators_initialize): Ditto.
7298 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7299 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7300 (execute_late_warn_uninitialized): Ditto.
7301 * rtl.h (cleanup_barriers): Ditto.
7302 (split_all_insns_noflow): Ditto.
7303 (purge_line_number_notes): Ditto.
7304 (unshare_all_rtl): Ditto.
7305 (remove_unnecessary_notes): Ditto.
7306 (recompute_reg_usage): Ditto.
7307 (variable_tracking_main): Ditto.
7308 * integrate.c (emit_initial_value_sets): Ditto.
7309 * integrate.h (emit_initial_value_sets): Ditto.
7310 * tree-optimize.c (execute_free_datastructures): Ditto
7311 (execute_free_cfg_annotations): Ditto.
7312 (execute_fixup_cfg): Ditto.
7313 (execute_cleanup_cfg_pre_ipa): Ditto.
7314 (execute_cleanup_cfg_post_optimizing): Ditto.
7315 (execute_init_datastructures): Ditto.
7316 * tree-object-size.c (compute_object_sizes): Ditto.
7317 * combine.c (rest_of_handle_combine): Ditto.
7318 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7319 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7320 (rest_of_handle_reorder_blocks): Ditto.
7321 (rest_of_handle_partition_blocks): Ditto.
7322 * var-tracking.c (variable_tracking_main): Ditto.
7323 * tree-profile.c (tree_profiling): Ditto.
7324 * tree-vect-generic.c (expand_vector_operations): Ditto.
7325 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7326 * sched-rgn.c (rest_of_handle_sched): Ditto.
7327 (rest_of_handle_sched2): Ditto.
7328 * basic-block.h (free_bb_insn): Ditto.
7329 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7330 * tree-cfg.c (execute_build_cfg): Ditto.
7331 (remove_useless_stmts): Ditto.
7332 (split_critical_edges): Ditto.
7333 (execute_warn_function_return): Ditto.
7334 (execute_warn_function_noreturn): Ditto.
7335 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7336 * cfgrtl.c (free_bb_for_insn): Ditto.
7337 * passes.c (execute_one_pass): Run additional
7338 todos returned by execute function.
7339 * tree-pass.h (struct tree_opt_pass): Make execute
7342 2006-03-02 Richard Guenther <rguenther@suse.de>
7344 * tree-ssa-alias.c (find_used_portions): Consider taking
7345 the address as making the variable not write-only.
7347 2006-03-02 Nick Clifton <nickc@redhat.com>
7349 * config.gcc (default_use_cxa_atexit): Extend the description of
7350 this configure variable. Set its default value to "yes" for
7351 Linux, NetBSD and ELF targets on the assumption that they will
7352 use C libraries with the __cxa_atexit function.
7354 2006-03-02 Ben Elliston <bje@au.ibm.com>
7356 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7357 parameter as unused to suppress a build warning.
7359 2006-03-02 Ben Elliston <bje@au.ibm.com>
7361 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7364 2006-03-01 Roger Sayle <roger@eyesopen.com>
7367 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7368 declared name, the weak reference name, and the typeof name.
7369 (__gthrw): Avoid expanding the declared name suffix.
7370 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7372 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7374 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7376 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7377 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7378 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7379 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7380 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7381 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7382 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7383 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7384 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7385 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7386 (DW_END_default, DW_END_big, DW_END_little): New.
7387 (DW_END_lo_user, DW_END_hi_user): Define.
7388 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7389 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7390 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7393 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7395 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7397 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7399 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7401 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7403 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7404 to 'symbol_mem_tag'.
7406 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7409 2006-03-01 Roger Sayle <roger@eyesopen.com>
7411 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7413 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7416 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7417 MACHO_DYNAMIC_NO_PIC_P.
7418 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7420 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7423 * config/darwin-protos.h (darwin_asm_output_anchor):
7425 * config/darwin-sections.def (cstring_section):
7426 Add SECTION_MERGE to the flags.
7427 (literal4_section): Likewise.
7428 (literal8_section): Likewise.
7429 (objc_selector_refs_section): Likewise.
7430 (objc_cls_refs_section): Likewise.
7431 * config/darwin.c (darwin_asm_output_anchor): New
7433 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7435 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7437 Fix PR tree-optimization/26443
7438 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7439 to todo and PROP_tmt_usage to properties_destroyed.
7440 * tree-ssa-ccp.c (pass_ccp): Ditto.
7441 (pass_store_ccp): Ditto.
7442 * tree-ssa-dom.c (pass_dominator): Ditto.
7444 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7446 * tree-ssa-operands.c: Cleanup whitespace.
7447 (get_asm_expr_operands): Move before first invocation.
7448 (get_indirect_ref_operands): Likewise.
7449 (get_tmr_operands): Likewise.
7450 (get_call_expr_operands): Likewise.
7451 (append_def): Likewise.
7452 (append_use): Likewise.
7453 (append_v_may_def): Likewise.
7454 (append_v_must_def): Likewise.
7455 (add_call_clobber_ops): Likewise.
7456 (add_call_read_ops): Likewise.
7457 (add_stmt_operand): Likewise.
7458 (add_virtual_operand): Likewise.
7459 (build_ssa_operands): Likewise.
7461 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7466 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7467 with a call expr to ...
7468 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7470 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7472 * tree-vrp.c (extract_range_from_assert): Remove special
7473 handling for types with super-types.
7475 2006-03-01 Ben Elliston <bje@au.ibm.com>
7477 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7478 and powerpc64-*-linux* configurations.
7479 * config/t-dfprules: New file.
7481 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7482 Compile dfp-bit.c from the source directory using -DWIDTH and
7483 $DFP_CFLAGS to control the compilation of that file, rather than
7484 generating width-specific versions in the build directory.
7485 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7486 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7488 2006-02-28 Zack Weinberg <zackw@panix.com>
7490 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7493 2006-02-28 Eric Christopher <echristo@apple.com>
7495 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7496 Set up IN_LIBGCC definition of TARGET_64BIT.
7497 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7499 2006-02-28 Roger Sayle <roger@eyesopen.com>
7502 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7503 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7504 cases via the construction of "expr != 0".
7506 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7508 * alias.c (alias_invariant, alias_invariant_size): Remove.
7509 (record_base_value): Remove.
7510 (memrefs_conflict_p): Don't look at alias_invariant.
7511 (end_alias_analysis): Don't free it.
7512 * alias.h (record_base_value): Remove prototype.
7514 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7515 Adam Nemet <anemet@caviumnetworks.com>
7517 * rtl.h (truncated_to_mode): Declare it.
7518 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7519 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7520 (RTL_HOOKS_INITIALIZER): Include it.
7521 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7522 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7523 reg_truncated_to_mode.
7524 * rtlanal.c (truncated_to_mode): Define it.
7525 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7527 2006-02-28 Jeff Law <law@redhat.com>
7529 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7530 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7531 the range allowed by TYPE_PRECISION.
7533 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7535 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7537 PR tree-optimization/26419
7538 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7541 2006-02-27 Zack Weinberg <zackw@panix.com>
7543 * doc/md.texi: Fix typo in previous change.
7545 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7549 2006-02-27 Zack Weinberg <zackw@panix.com>
7551 * rtl.def (define_constraint, define_register_constraint)
7552 (define_memory_constraint, define_address_constraint): New MD forms.
7553 * gensupport.c (process_rtx): Put define_constraint etc on the
7555 * genpreds.c (process_define_predicate): Adjust comment. Validate
7556 the name, and call validate_exp to validate the expression.
7557 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7558 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7559 all callers changed.
7560 (validate_exp, needs_variable, struct constraint_data)
7561 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7562 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7563 (const_dbl_constraints, constraint_max_namelen)
7564 (have_register_constraints, have_memory_constraints)
7565 (have_address_constraints, have_address_constraints)
7566 (have_extra_constraints, have_const_int_constraints)
7567 (have_const_dbl_constraints, mangle, add_constraint)
7568 (process_define_constraint, process_define_register_constraint)
7569 (write_enum_constraint_num, write_lookup_constraint)
7570 (write_insn_constraint_len, write_regclass_for_constraint)
7571 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7572 (write_insn_extra_memory_constraint)
7573 (write_insn_extra_address_constraint)
7574 (write_satisfies_constraint_fns): New.
7575 (write_tm_preds_h): If we have new-style constraint definitions,
7576 prototype the functions generated from them, and define the
7577 old constraint interface (still used by generic code) in terms of
7579 (write_insn_preds_c): If we have new-style constraint definitions,
7580 generate all relevant functions from those definitions.
7581 (main): Handle define_constraint etc.
7582 * genoutput.c (struct constraint_data, indep_constraints)
7583 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7584 (mdep_constraint_len): New data structures and functions, defined
7585 #ifdef USE_MD_CONSTRAINTS.
7586 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7587 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7588 use new logic to validate operand constraints against constraint
7590 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7592 * defaults.h: If none of the old-style constraint macros are
7593 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7594 old-style macros; and poison REG_CLASS_FROM_LETTER,
7595 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7597 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7598 * doc/md.texi: Document new constraint-definition mechanism and the
7599 C interface it provides. Remove references to old mechanism
7600 elsewhere in the document.
7601 (Machine Constraints): Use pathnames relative to gcc directory,
7602 i.e. config/ARCH/FILE. Change i386 section to refer to
7603 config/i386/predicates.md; update that section to match docstrings.
7604 * doc/tm.texi: Move all documentation of the old constraint-
7605 definition macros to their own section, clearly mark as obsolete.
7607 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7608 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7610 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7611 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7612 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7614 (splits and peepholes): Use satisfies_constraint_*.
7615 * config/i386/i386.c (memory_address_length)
7616 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7618 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7620 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7621 scalar operation to be put back into the loop.
7623 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7626 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7627 (extract_cie_info): Handle S flag in augmentation string.
7628 (execute_cfa_program): If context->signal_frame, execute also
7629 fs->pc == context->ra instructions.
7630 (uw_frame_state_for): If context->signal_frame, don't subtract one
7631 from context->ra to find FDE.
7632 (uw_update_context_1): Set context->signal_frame to
7634 (_Unwind_GetIPInfo): New function.
7635 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7636 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7638 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7639 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7640 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7641 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7642 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7643 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7644 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7645 x86_64_fallback_frame_state): Set fs->signal_frame.
7646 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7647 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7648 (frob_update_context): Likewise. Workaround missing S flag in
7649 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7650 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7651 Remove the psw_addr + 1 hack.
7653 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7655 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7656 with aggregates here.
7657 (find_func_aliases): Remove code for &<aggregate> from here.
7659 2006-02-26 Roger Sayle <roger@eyesopen.com>
7661 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7662 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7663 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7666 2006-02-26 Roger Sayle <roger@eyesopen.com>
7669 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7671 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7673 * opts.c (decode_options): Do not handle flag_strength_reduce.
7674 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7675 and OPT_fstrength_reduce.
7676 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7677 flag_prefetch_loop_arrays for being nonzero.
7678 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7680 (fprefetch-loop-arrays-rtl): Removed.
7681 (flag_prefetch_loop_arrays): Do not specify the value.
7683 * doc/passes.texi: Update documentation of loop optimizer
7685 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7686 -frerun-loop-opt): Remove.
7688 2006-02-26 Richard Guenther <rguenther@suse.de>
7690 PR tree-optimization/26421
7691 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7692 in function calls that are ADDR_EXPRs as using the whole structure.
7694 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7696 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7697 * tree-pass.h (pass_loop_optimize): Remove.
7698 * passes.c (pass_loop_optimize): Never run it.
7699 * toplev.c (backend_init): Don't call init_loop.
7700 * opts.c (flag_loop_optimize_set): Remove.
7701 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7702 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7703 the old RTL loop optimizer when profiling enabled.
7704 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7705 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7706 pre-headers for the sake of the old RTL loop optimizer.
7707 * Makefile.in: Remove all references to loop.o.
7709 * doc/invoke.texi: Remove all references to -floop-optimize
7710 and -frerun-loop-opt.
7712 2006-02-26 Zack Weinberg <zackw@panix.com>
7714 * doc/md.texi (Machine Constraints): Refer to all files with paths
7715 relative to gcc directory (i.e. config/CPU/file). Add missing
7716 @table @code ... @end table to M32C subsection.
7718 2006-02-26 Roger Sayle <roger@eyesopen.com>
7720 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7722 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7724 2006-02-26 Roger Sayle <roger@eyesopen.com>
7725 James A. Morrison <phython@gcc.gnu.org>
7728 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7729 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7730 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7731 signedness of the shift operation.
7733 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7735 PR tree-optimization/26359
7736 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7738 2006-02-25 Roger Sayle <roger@eyesopen.com>
7740 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7741 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7742 as X == 0, and some symmetry related transformations.
7743 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7745 2006-02-25 Roger Sayle <roger@eyesopen.com>
7748 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7749 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7750 symmetry related transformations. Fold (X^C1) == C2 as
7753 2006-02-25 Juergen Weigert <jw@suse.de>
7754 Richard Guenther <rguenther@suse.de>
7756 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7758 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7760 * combine.c (gen_lowpart_or_truncate): Call
7761 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7763 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7765 * doc/invoke.texi: Move -fopenmp description to "Options for
7767 Remove reference to -lgomp.
7769 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7771 * doc/install.texi: Require GNU tar version 1.14.
7773 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7775 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7776 * doc/invoke.texi (C++ Dialect Options): Document
7777 -fno-use-cxa-get-exception-ptr.
7778 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7779 * configure: Regenerate.
7780 * c.opt (fuse-cxa-get-exception-ptr): New.
7781 * c-opts.c (c_common_handle_option): Handle
7782 OPT_fuse_cxa_get_exception_ptr.
7783 * c-common.c (flag_use_cxa_atexit): Update documentation.
7784 (flag_use_cxa_get_exception_ptr): New.
7785 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7786 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7788 (C_COMMON_OVERRIDE_OPTIONS): New.
7790 2006-02-24 Roger Sayle <roger@eyesopen.com>
7793 * combine.c (try_combine): Explicitly check whether GET_CODE is
7794 a SET or a CLOBBER, instead on checking that it isn't a USE.
7796 2006-02-24 Roger Sayle <roger@eyesopen.com>
7798 * fold-const.c (fold_comparison): New subroutine of fold_binary
7799 containing transformations common to both the equality and
7800 ordering relational operators, factored out of fold_binary.
7801 (fold_binary): Separate out the equality operators (EQ_EXPR
7802 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7803 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7804 transformations common to both.
7805 (fold_div_compare): Fix latent bugs in the previously unreachable
7806 LT_EXPR and GE_EXPR cases.
7808 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7810 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7811 decl libname for clog to __clog on AIX.
7813 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7815 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7818 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7819 output traceback table for thunks. Localise rs6000_stack_info call.
7821 2006-02-23 Roger Sayle <roger@eyesopen.com>
7822 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7824 * gthr-posix.h (__gthrw): Fix typo in comment.
7826 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7828 * doc/cpp.texi (Character sets): Document that we do support
7829 input files to be in any character set.
7831 2006-02-23 Jeff Law <law@redhat.com>
7833 * tree.h (PHI_ARG_NONZERO): Remove.
7834 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7835 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7836 node to the new node.
7838 PR tree-optimization/26425
7839 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7840 min/max, then assume its varying.
7842 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7844 PR rtl-optimization/26316
7845 * rtlanal.c (enum may_trap_p_flags): New.
7846 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7847 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7848 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7849 (may_trap_after_code_motion_p): New function.
7850 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7851 (find_invariant_insn): Use may_trap_after_code_motion_p.
7852 * rtl.h (may_trap_after_code_motion_p): Declare.
7854 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7856 * emit-rtl.c (immed_double_const): Cleanup.
7858 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7860 Fix PR tree-optimization/26376
7861 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7864 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7867 * gimplify.c (omp_add_variable): Guard variable size decl test with
7868 DECL_SIZE (decl) check.
7870 2006-02-23 Richard Guenther <rguenther@suse.de>
7873 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7874 like aggregate types.
7876 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7878 * configure.ac: Add --with{,out}-long-double-128 configure option.
7879 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7880 * configure: Rebuilt.
7881 * config.in: Rebuilt.
7882 * doc/install.texi (Options specification): Document
7883 --with-long-double-128.
7885 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7886 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7887 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7888 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7890 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7892 * config/s390/s390.c (override_options): Handle
7893 TARGET_DEFAULT_LONG_DOUBLE_128.
7895 * config/alpha/alpha.c (override_options): Handle
7896 TARGET_DEFAULT_LONG_DOUBLE_128.
7898 * config/sparc/sparc.c (sparc_override_options): Handle
7899 TARGET_DEFAULT_LONG_DOUBLE_128.
7901 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7903 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7904 (real-install-headers-tar, real-install-headers-cpio)
7905 (real-install-headers-cp): New targets.
7907 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7909 * tree.h (variable_section): Delete.
7910 * varasm.c (variable_section): Delete.
7912 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7914 * install.texi: Add notes on install.texi2html.
7915 (Building in parallel): Do not use footnotes.
7917 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7920 * doc/install.texi (Configuration): Document --disable-libgomp.
7922 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7924 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7926 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7928 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7929 (vec_extractv2df_0_sse): New.
7931 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7933 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7934 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7935 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7936 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7937 to the result of the expression.
7938 (def_cfa_1): Adjust.
7939 (frame_pointer_cfa_offset): Rename to...
7940 (frame_pointer_fb_offset): ... this. Adjust all uses.
7941 (convert_cfa_to_loc_list): Rename to...
7942 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7943 Pass it on to build_cfa_loc.
7944 (compute_frame_pointer_to_cfa_displacement): Rename to...
7945 (compute_frame_pointer_to_fb_displacement): ... this. New
7946 offset parameter. Use it in computation.
7947 (gen_subprogram_die): Compute cfa_fb_offset with the new
7948 macro, and use it to compute the fb loc list and the
7951 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7953 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7954 replaced with register_operand.
7955 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7956 non-DREG is expensive.
7957 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7958 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7961 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7963 * doc/install.texi2html: Use set -e.
7965 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7967 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7968 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7969 * doc/invoke.texi (-fshared-data): Delete.
7970 * common.opt (fshared-data): Delete.
7971 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7972 (assemble_static_space): Remove #if 0 code.
7973 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7974 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7975 * config/cris/cris.h: Remove FIXME.
7977 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7979 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7982 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7985 * combine.c (simplify_shift_const_1): Disable nested shifts
7986 optimization for vector shifts.
7988 2006-02-20 Roger Sayle <roger@eyesopen.com>
7990 PR tree-optimization/26361
7991 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7992 of unsigned integer types.
7994 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7996 * tree-chrec.c (eq_evolutions_p): New.
7997 * tree-chrec.h (eq_evolutions_p): Declared.
7998 * tree-data-ref.c: Fix formatting.
7999 (datadep_stats, dependence_stats): New.
8001 (print_direction_vector): New.
8002 (dump_data_dependence_relation): Use print_direction_vector.
8003 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8004 (compute_subscript_distance): Static.
8005 (initialize_data_dependence_relation): Static. Get the number
8006 of loops surrounding the references from the callers, and initialize
8007 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8008 base_object_differ_p analyzers.
8009 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8010 compute_overlap_steps_for_affine_1_2,
8011 analyze_subscript_affine_affine): Count the classified dependences.
8012 Print a message when a test failed.
8013 (can_use_analyze_subscript_affine_affine): New.
8014 (analyze_siv_subscript): Compute the data dependences on symbolic
8015 scevs that verify can_use_analyze_subscript_affine_affine.
8016 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8017 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8018 Handle symbolic scevs.
8019 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8021 (subscript_dependence_tester): Moved...
8022 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8023 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8024 DDR_SIZE_VECT instead of getting it in parameter.
8025 (subscript_dependence_tester): ... here. Take as a parameter
8026 loop_nest_depth. Call build_classic_dist_vector and
8027 build_classic_dir_vector.
8028 (compute_affine_dependence): Update subscript_dependence_tester
8029 parameters. Update datadep_stats counters. Call
8030 compute_subscript_distance.
8031 (compute_self_dependence): Save the dist and dir vectors. Call
8032 compute_subscript_distance.
8033 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8034 (compute_all_dependences): Reorder parameters as they were before
8035 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8036 compute_subscript_distance. Update the use of
8037 compute_affine_dependence and initialize_data_dependence_relation.
8038 (find_data_references_in_loop): Handle COMPONENT_REF.
8039 (compute_data_dependences_for_loop): Initialize dependence_stats.
8040 Don't call build_classic_dist_vector and build_classic_dir_vector.
8041 Update the parameters of initialize_data_dependence_relation and
8042 compute_all_dependences. Print the statistics from datadep_stats.
8043 (analyze_all_data_dependences): Static. Not used until the pass for
8044 checking the data dependences is contributed.
8045 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8046 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8047 (initialize_data_dependence_relation, compute_affine_dependence,
8048 analyze_all_data_dependences, compute_subscript_distance): Removed.
8049 (print_direction_vector): New.
8050 * lambda.h (gcd): ... here.
8051 (lambda_vector_gcd): Moved here from gcd_vector.
8052 * lambda-code.c (gcd, gcd_vector): Removed.
8053 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8054 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8056 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8058 * ipa-type-escape.c: Tidy some comments and white space.
8059 * tree-ssa-operands.c: Likewise.
8061 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8064 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8065 (dump_decl_name): Do not walk the decl tree chains.
8066 * tree-pass.h (TDF_CHAIN): Remove.
8068 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8070 * Makefile.in (C): Remove
8072 (.PHONY): Remove C and PROTO
8074 2006-02-20 Roger Sayle <roger@eyesopen.com>
8077 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8078 deprecated CHAR_TYPE tree code.
8080 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8082 * configure.ac (target_list): Add install-info, dvi, html.
8083 * configure: Regenerate.
8085 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8086 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8087 treelang/Make-lang.in: Do not use double-colon rules.
8089 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8091 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8092 (TMT_USED_ALONE): New macro.
8093 * tree-pass.h (PROP_tmt_usage): New property.
8094 (TODO_update_tmt_usage): New todo.
8095 * tree-ssa-alias.c (updating_used_alone): New variable.
8096 (recalculate_used_alone): New function.
8097 (compute_may_aliases): Set updating_used_alone, call
8098 recalculate_used_alone.
8099 * tree-sra.c (pass_sra): Note that this pass destroys
8100 PROP_tmt_usage, and add TODO_update_tmt_usage.
8101 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8102 * tree-flow.h (updating_used_alone): Prototype.
8103 (recalculate_used_alone): Ditto.
8104 * passes.c (execute_todo): Add code to set updating_used_alone,
8105 and call recalculate.
8106 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8107 for clobber if used alone, and add assert to verify used_alone
8110 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8112 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8113 for non tls symbols added.
8114 (legitimize_address): Do nothing for PLUS expressions if one of the
8115 addends is a tls symbol reference.
8117 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8121 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8123 * Makefile.in (BOOTSTRAPPING): New.
8124 (quickstrap): New definition if BOOTSTRAPPING=yes.
8126 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8127 * configure.ac: Substitute all_selected_languages with the languages
8128 that were configured. For all the other variables except
8129 lang_specs_files, include all the languages in the tree.
8130 * configure: Regenerate.
8132 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8133 if there is one. Run the commands to run fixincludes in the same
8136 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8137 * doc/install.texi: Document exact conventions for searching target tools.
8138 Document --with-build-time-tools. Document toplevel bootstrap. Document
8139 something more about building an Ada cross-compiler. Don't list GNU Make
8140 requirements which affect all platforms.
8142 2006-02-19 Roger Sayle <roger@eyesopen.com>
8145 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8146 only equivalent if the have both the same mode and precision.
8148 2006-02-20 Ben Elliston <bje@au.ibm.com>
8150 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8152 2006-02-19 Roger Sayle <roger@eyesopen.com>
8153 Steven Bosscher <stevenb.gcc@gmail.com>
8155 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8156 constant pool references to identify stack mode constants.
8157 * rtlanal.c (constant_pool_constant_p): New predicate to check
8158 whether operand is a floating point constant in the pool.
8159 * rtl.h (constant_pool_constant_p): Prototype here.
8160 * loop.c (scan_loop): Avoid hoisting constants from the constant
8161 pool on STACK_REGS targets.
8162 (load_mems): Likewise.
8163 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8164 loads into x87 registers expensive in terms of register pressure.
8166 2006-02-19 Roger Sayle <roger@eyesopen.com>
8168 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8169 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8171 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8173 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8174 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8176 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8178 * doc/invoke.texi: Document -fipa-pta.
8179 * common.opt: Add ipa-pta option.
8180 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8181 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8182 (do_ds_constraint): Ditto.
8183 (get_constraint_for): Only add to referenced_vars if
8184 referenced_vars exists.
8185 (insert_into_field_list): Rewrite to do this unsorted.
8186 (insert_into_field_list_sorted): Rename old insert_into_field_list
8188 (create_function_info_for): Use insert_into_field_list_sorted.
8189 (create_variable_info_for): Rewrite so it uses unsorted version,
8190 since the field list is sorted.
8191 (intra_create_variable_infos): Only add to referenced_vars if
8192 referenced_vars exists.
8193 (ipa_pta_execute): Init heapvars, and delete when done.
8194 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8196 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8198 * doc/install.texi: Add missing `@samp'.
8200 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8202 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8205 2006-02-18 Mark Wielaard <mark@klomp.org>
8207 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8208 who added new 4.1 features, bug fixes and integration support.
8210 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8213 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8216 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8218 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8219 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8220 (copy_insn_1): Likewise. Don't copy each field individually.
8222 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8224 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8225 * rtl.c (rtx_size): Rename variable to...
8226 (rtx_code_size): ...this.
8227 (rtx_size): New function.
8228 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8229 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8231 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8232 * rtl.h (rtx_code_size): New variable.
8233 (rtx_size): Change from a variable to a function.
8234 (RTX_SIZE): Rename to...
8235 (RTX_CODE_SIZE): ...this.
8238 PR tree-optimization/17106
8239 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8240 (Anchored Addresses): New section.
8241 * doc/invoke.texi (-fsection-anchors): Document.
8242 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8243 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8244 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8245 * hooks.c (hook_bool_mode_rtx_false): New function.
8246 * hooks.h (hook_bool_mode_rtx_false): Declare.
8247 * gengtype.c (create_optional_field): New function.
8248 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8249 SYMBOL_REF_IN_BLOCK_P is true.
8250 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8251 (min_anchor_offset, max_anchor_offset): Likewise.
8252 (use_anchors_for_symbol_p): New hook.
8253 * toplev.c (compile_file): Call output_object_blocks.
8254 (target_supports_section_anchors_p): New function.
8255 (process_options): Check that -fsection-anchors is only used on
8256 targets that support it and when -funit-at-a-time is in effect.
8257 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8258 if the decl doesn't have one.
8259 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8260 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8261 of force_const_mem through use_anchored_address.
8262 (expand_expr_constant): New function.
8263 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8264 calling expand_expr for INDIRECT_REF.
8265 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8266 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8267 * expr.h (use_anchored_address): Declare.
8268 * loop-unroll.c: Don't declare rtx vectors here.
8269 * explow.c: Include output.h.
8270 (validize_mem): Call use_anchored_address.
8271 (use_anchored_address): New function.
8272 * common.opt (-fsection-anchors): New switch.
8273 * varasm.c (object_block_htab, anchor_labelno): New variables.
8274 (hash_section, object_block_entry_eq, object_block_entry_hash)
8275 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8276 (use_blocks_for_decl_p, change_symbol_section): New functions.
8277 (get_variable_section): New function, split out from assemble_variable.
8278 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8279 use_blocks_for_decl_p say so. Use change_symbol_section if the
8280 symbol has already been created.
8281 (assemble_variable_contents): New function, split out from...
8282 (assemble_variable): ...here. Don't output any code for
8283 block symbols; just pass them to place_block_symbol.
8284 Use get_variable_section and assemble_variable_contents.
8285 (get_constant_alignment, get_constant_section, get_constant_size): New
8286 functions, split from output_constant_def_contents.
8287 (build_constant_desc): Create a block symbol if use_object_blocks_p
8288 says so. Or into SYMBOL_REF_FLAGS.
8289 (assemble_constant_contents): New function, split from...
8290 (output_constant_def_contents): ...here. Don't output any code
8291 for block symbols; just pass them to place_section_symbol.
8292 Use get_constant_section and get_constant_alignment.
8293 (force_const_mem): Create a block symbol if use_object_blocks_p and
8294 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8295 (output_constant_pool_1): Add an explicit alignment argument.
8296 Don't switch sections here.
8297 (output_constant_pool): Adjust call to output_constant_pool_1.
8298 Switch sections here instead. Don't output anything for block symbols;
8299 just pass them to place_block_symbol.
8300 (init_varasm_once): Initialize object_block_htab.
8301 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8302 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8303 (place_block_symbol, get_section_anchor, output_object_block)
8304 (output_object_block_htab, output_object_blocks): New functions.
8305 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8306 (TARGET_ASM_OUT): Include it.
8307 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8308 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8309 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8310 (TARGET_INITIALIZER): Include them.
8311 * rtl.c (rtl_check_failed_block_symbol): New function.
8312 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8313 (block_symbol, object_block): New structures.
8314 (rtx_def): Add a block_symbol field to the union.
8315 (BLOCK_SYMBOL_CHECK): New macro.
8316 (rtl_check_failed_block_symbol): Declare.
8317 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8318 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8319 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8320 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8321 * output.h (output_section_symbols): Declare.
8322 (object_block): Name structure.
8323 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8324 (default_use_anchors_for_symbol_p): Declare.
8325 * Makefile.in (RTL_BASE_H): Add vec.h.
8326 (explow.o): Depend on output.h.
8327 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8328 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8329 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8330 (rs6000_use_blocks_for_constant_p): New function.
8332 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8334 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8336 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8339 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8342 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8344 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8348 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8351 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8352 instead of DECL_REGISTER.
8354 2006-02-18 Olivier Hainque <hainque@adacore.com>
8357 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8359 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8362 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8363 * opth-gen.awk: Handle Var and InverseMask together.
8364 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8365 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8366 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8367 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8369 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8370 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8371 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8372 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8373 LINUX_DYNAMIC_LINKER): Define.
8374 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8375 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8377 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8378 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8379 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8381 (TARGET_C99_FUNCTIONS): Don't define.
8382 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8383 GLIBC_DYNAMIC_LINKER.
8384 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8385 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8386 GLIBC_DYNAMIC_LINKER64): Define.
8387 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8388 LINUX_DYNAMIC_LINKER64.
8389 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8390 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8391 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8393 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8394 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8395 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8396 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8397 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8398 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8399 and LINUX_DYNAMIC_LINKER32.
8400 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8402 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8404 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8406 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8407 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8408 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8409 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8410 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8411 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8412 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8413 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8414 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8415 LINUX_DYNAMIC_LINKER): Define.
8416 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8417 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8418 GLIBC_DYNAMIC_LINKER64): Define.
8419 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8420 LINUX_DYNAMIC_LINKER64.
8421 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8422 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8423 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8424 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8425 LINUX_DYNAMIC_LINKER): Define.
8426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8427 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8428 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8429 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8430 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8431 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8432 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8433 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8434 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8435 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8436 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8437 * doc/invoke.texi (-muclibc): Remove caveat about supported
8440 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8442 * doc/cpp.texi (__TIMESTAMP__): Document.
8444 2006-02-17 Roger Sayle <roger@eyesopen.com>
8447 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8448 C is one less than the width of X (and related transformations).
8449 * simplify-rtx.c (simplify_unary_operation_1): Transform
8450 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8451 depending on STORE_FLAG_VALUE, were C is one less then the
8454 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8456 Fix PR tree-optimization/26341
8457 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8458 about NAME_MEMORY_TAG's.
8460 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8463 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8464 with hardware float support, and software float support. Add fcpy
8465 alternative to hardware patterns. Add alternatives to copy between
8466 general and floating-point registers to the 32-bit pattern.
8467 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8468 secondary reload to load a QI or HI mode constant into a floating
8470 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8471 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8473 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8476 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8478 (load_macho_picbase_di): Likewise.
8480 2006-02-16 Jeff Law <law@redhat.com>
8482 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8483 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8484 (ssa_name_nonzero_p): Likewise.
8485 (get_value_range): Return NULL if VRP is not running.
8486 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8487 VRP routines do not discover a range.
8488 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8489 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8490 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8491 (tree_expr_nonnegative_p): Similarly.
8492 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8493 (restore_nonzero_vars_to_original_value): Remove.
8494 (unsafe_associative_fp_binop): Remove.
8495 (tree_ssa_dominator_optimize): Remove initialization and
8496 finalization of nonzero_vars and nonzero_vars_stack.
8497 (dom_opt_initialize_block): No longer push marker on
8499 (dom_opt_finalize_block): No longer call
8500 restore_nonzero_vars_to_original_value.
8501 (record_equivalences_from_phis): No longer look for
8502 nonzero PHI arguments.
8503 (cprop_into_successor_phis): No longer propagate nonzero
8504 property into PHI arguments. Lose unused argument. Caller
8506 (record_equivalences_from_stmt): No longer record nonzero
8507 values for SSA_NAMEs.
8508 (lookup_avail_expr): No longer use nonzero_vars.
8510 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8511 for sizetype when sizetype is unsigned.
8513 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8515 PR rtl-optimization/25603
8516 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8517 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8518 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8519 with new meaning of SETS.
8521 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8526 * config/linux.opt: New file.
8527 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8528 LINUX_DYNAMIC_LINKER): Define.
8529 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8530 * config.gcc (*-*-linux*): Define extra_options.
8531 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8532 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8533 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8534 GLIBC_DYNAMIC_LINKER.
8535 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8536 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8537 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8539 * doc/invoke.texi (GNU/Linux Options): New section.
8541 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8543 * config/sparc/sparc.md (setjmp): Rewrite.
8544 (setjmp_32): Delete.
8545 (setjmp_64): Likewise.
8547 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8549 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8552 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8554 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8557 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8559 PR rtl-optimization/26296
8560 * Makefile.in (loop-invariant.c): Add except.h dependency.
8561 * loop-invariant.c: Include except.h.
8562 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8564 2005-02-16 Paul Brook <paul@codesourcery.com>
8566 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8569 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8571 PR rtl-optimization/25636
8572 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8573 when deciding whether an insn is an initializing insn.
8575 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8577 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8578 (tree_code_size): Ditto.
8579 * tree.h (struct tree_memory_tag): Remove parent_var.
8580 (struct tree_struct_field_tag): New.
8583 (union tree_node): Add sft member.
8584 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8586 (create_sft): Add size and offset argument, set SFT_OFFSET and
8588 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8589 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8590 * tree-flow-inline.h (get_subvar_at): Update for
8591 SFT_OFFSET/SFT_SIZE.
8592 (var_can_have_subvars): Ditto.
8593 (overlap_subvar): Ditto.
8594 * print-tree.c (print_node): Print out interesting things for
8596 * tree-flow.h (struct subvar): Remove offset and size members.
8597 * tree-ssa-operands.c (get_expr_operands): Update for
8598 get_indirect_ref_operands changes.
8599 (get_indirect_ref_operands): Call add_virtual_operand instead of
8600 add_stmt_operand. Only recurse on base var if requested.
8601 (access_can_touch_variable): New function.
8602 (add_stmt_operand): Split virtual operand handling into ...
8603 (add_virtual_operand): Here. Add offset, size, and for_clobber
8604 arguments. Prune alias sets.
8605 (add_call_clobber_ops): Call add_virtual_operand.
8607 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8610 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8612 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8613 than TREE_CODE as index into omp_clause_num_ops array.
8615 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8617 PR rtl-optimization/26184
8618 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8620 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8621 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8622 must_precede, must_follow and tobe_scheduled.
8625 * opts.c (common_handle_option): Free new_option pointer.
8626 * df-core.c (df_analyze): Free postorder pointer.
8628 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8630 * Makefile.in: Fix the examples about the use of stamps
8632 2006-02-15 Michael Matz <matz@suse.de>
8636 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8637 influenced by maximum_field_alignment or DECL_PACKED.
8638 (update_alignment_for_field): Ditto.
8639 (place_field): Ditto.
8640 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8643 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8645 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8646 (debug_flow_info): Pass it.
8647 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8648 * bb-reorder.c (reorder_basic_blocks): Likewise.
8649 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8650 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8651 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8652 * gcse.c (gcse_main, bypass_jumps): Likewise.
8653 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8654 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8655 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8656 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8657 * rtl.h (dump_flow_info): Adjust prototype.
8658 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8659 * var-tracking.c (variable_tracking_main): Likewise.
8660 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8661 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8664 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8666 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8669 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8671 PR tree-optimization/26209
8672 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8673 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8675 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8677 2006-02-14 Roger Sayle <roger@eyesopen.com>
8680 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8681 (X,Y) and the corresponding symmetry related transformations.
8682 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8683 (X,Y) and its symmetry related transformations.
8685 2006-02-14 Roger Sayle <roger@eyesopen.com>
8687 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8690 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8692 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8694 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8697 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8698 support COMDAT group.
8699 * configure: Regenerate.
8701 2006-02-14 Roger Sayle <roger@eyesopen.com>
8706 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8708 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8710 Fix PR tree-optimization/26260
8712 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8714 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8715 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8716 * tree-ssa-structalias.c (create_variable_info_for): Use
8717 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8719 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8721 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8723 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8724 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8725 of the ending condition.
8726 * tree-ssa-loop-manip.c: Include params.h.
8727 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8728 tree_unroll_loop): New functions.
8729 * tree-pass.h (pass_loop_prefetch): Declare.
8730 * loop.c (rest_of_handle_loop_optimize): Test for
8731 -fprefetch-loop-arrays-rtl.
8732 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8733 * timevar.def (TV_TREE_PREFETCH): New timevar.
8734 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8735 pass_loop_prefetch): New.
8736 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8737 (cleanup_tree_cfg_loop): Call scev_reset.
8738 * common.opt (fprefetch-loop-arrays-rtl): Add.
8739 * tree-ssa-loop-prefetch.c: New file.
8740 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8741 (new_temp_expr_table): Initialize expr_vars.
8742 (free_temp_expr_table): Cleanup expr_vars.
8743 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8744 expressions from being merged into one.
8745 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8746 (struct tree_niter_desc): Add control, bound and cmp fields.
8747 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8749 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8750 (tree-cfgcleanup.o): Add SCEV_H dependency.
8751 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8752 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8754 2006-02-14 Richard Guenther <rguenther@suse.de>
8756 PR tree-optimization/26258
8757 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8758 in PHI argument processing.
8760 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8762 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8763 new expression in the requested machine mode.
8765 2006-02-13 Roger Sayle <roger@eyesopen.com>
8767 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8768 directly, instead let do_compare_rtx_and_jump handle this for us.
8769 * expr.c (expand_expr_real_1): Likewise.
8770 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8771 before do_jump_by_parts_greater.
8772 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8773 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8775 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8777 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8779 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8781 PR rtl-optimization/26235
8782 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8783 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8786 2006-02-13 Jeff Law <law@redhat.com>
8788 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8791 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8794 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8795 twice if decl is a builtin. When trying again, call get_callee_fndecl
8796 first to verify it is still a builtin.
8798 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8800 * dwarf2out.c (base_type_die): Don't add AT_name here.
8801 (subrange_type_die): Don't add AT_name here.
8802 (modified_type_die): Rearrange code flow. Do add AT_name here.
8804 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8806 PR rtl-optimization/26247
8807 PR rtl-optimization/26248
8808 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8810 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8812 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8813 * config/fixtfdi.c: Likewise.
8814 * config/fixunstfdi.c: Likewise.
8815 * config/floatditf.c: Likewise.
8817 2006-02-13 Roger Sayle <roger@eyesopen.com>
8820 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8821 into (X,C2) if C1 is a subset of the bits of C2. Transform
8822 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8824 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8826 2006-02-13 Josh Conner <jconner@apple.com>
8829 * varasm.c (function_section): Check for section name before
8830 calling select_section on targets that define
8831 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8832 unlikely_text_section instead of hot_function_section if
8833 first_function_block_is_cold.
8835 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8838 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8840 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8842 PR rtl-optimization/26222
8843 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8844 after tree->rtl expansion.
8845 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8846 before passing it to emit_move_insn.
8848 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8850 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8852 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8853 Clarify documentation.
8854 * c-common.h (warn_write_strings): Remove.
8855 * c-common.c (warn_write_strings): Likewise.
8856 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8859 2006-02-12 Roger Sayle <roger@eyesopen.com>
8862 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8863 (do_jump_parts_zero_rtx): New function renamed from
8864 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8865 (do_jump_parts_equality_rtx): New function split out from
8866 do_jump_parts_equality. Old implementation renamed as above.
8867 Call do_jump_parts_zero_rtx if either operand is zero.
8868 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8869 do all of the heavy lifting.
8870 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8871 calling either do_jump_by_parts_greater_rtx or
8872 do_jump_by_parts_equality_rtx.
8873 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8874 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8875 moved to do_compare_rtx_and_jump, call it directly.
8876 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8877 mode argument. Call do_compare_rtx_and_jump.
8878 (emit_case_nodes): Update calls to do_jump_if_equal.
8880 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8882 PR rtl-optimization/26225
8883 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8885 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8887 PR rtl-optimization/26232
8888 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8890 2006-02-11 Jason Merrill <jason@redhat.com>
8893 * tree-inline.c (declare_return_variable): Just don't use the
8894 modify target if it's a gimple complex reg and the return slot
8897 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8899 * doc/contrib.texi: Update my entry.
8901 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8903 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8905 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8907 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8910 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8912 * doc/invoke.texi (-floop-optimize2): Removed.
8913 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8914 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8915 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8916 * common.opt (floop-optimize2): Removed.
8917 (fmove-loop-invariants): Enabled by default.
8919 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8921 * tree-if-conv.c (combine_blocks): Free the result of
8922 get_loop_exit_edges.
8924 2006-02-10 Jeff Law <law@redhat.com>
8926 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8928 PR tree-optimization/26213
8929 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8930 loop trying to follow SSA_NAME_VALUE chains.
8932 2006-02-10 Richard Guenther <rguenther@suse.de>
8934 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8935 deal with structures that end in implicitly variable sized arrays.
8937 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8939 PR rtl-optimization/24762
8940 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8943 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8945 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8946 (struct ivopts_data): Add regs_used field.
8947 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8948 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8949 instead of loop_data->regs_used;
8950 (free_loop_data): Do not free aux fields for loops.
8951 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8952 and tree_ssa_iv_optimize_finalize.
8954 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8956 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8958 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8961 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8962 computing the effective result type.
8964 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8967 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8968 (tree_overlaps_hard_reg_set): Declare.
8969 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8970 type and signature to match function type expected by walk_tree.
8971 (tree_overlaps_hard_reg_set): New function.
8972 (decl_conflicts_with_clobbers_p): Rename to:
8973 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8974 Use tree_overlaps_hard_reg_set. Changed caller.
8975 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8976 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8977 * cris.c (cris_md_asm_clobbers): Likewise.
8979 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8981 * reload1.c (emit_input_reload_insns): Delete code that tries to
8982 inherit using find_equiv_reg.
8984 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8986 * c-common.h (flag_const_strings): Don't declare.
8987 * c-common.c (flag_const_strings): Remove.
8988 * c.opt (fconst_strings): Remove.
8989 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8990 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8991 (c_common_init_options): Don't set flag_const_strings.
8992 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8994 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8996 * arm.md (tlobits_cbranch): New pattern.
8997 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8998 testing a single bit.
9000 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9003 * tree-ssa-pre.c (create_component_ref_by_pieces):
9004 Handle RETURN_DECL like VAR_DECL.
9006 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9009 * fold-const.c (fold_indirect_ref_1): Fold
9010 "*(foo *)&complexfoo" to "__real__ complexfoo"
9011 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9013 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9015 * tree-flow-inline.h (var_can_have_subvars):
9016 Volatile variables should not have subvariables.
9018 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9021 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9022 multiplying unsigned values.
9025 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9027 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9029 2006-02-08 Jason Merrill <jason@redhat.com>
9032 * tree.def: Elaborate on difference from MODIFY_EXPR.
9033 * doc/c-tree.texi (INIT_EXPR): Likewise.
9034 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9035 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9036 (gimplify_target_expr): Likewise.
9037 (gimplify_cond_expr): Remove target handling.
9038 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9039 (gimplify_expr): Clobber it here.
9040 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9041 Do return slot optimization if we have an INIT_EXPR.
9044 * tree-inline.c (declare_return_variable): Also clear
9045 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9048 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9051 * gimplify.c (gimplify_one_sizepos): Fix typo.
9053 2006-02-08 Jeff Law <law@redhat.com>
9055 PR tree-optimization/21417
9056 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9057 across a backedge if the control statement at the end of the
9058 block is data dependent on other statements in the same block.
9059 (record_temporary_equivalences_from_stmts): Remove over-conservative
9060 test for threading across backedges.
9062 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9063 control statement, handle all three special cases in the same
9064 manner as they all have the same desired solution. No longer
9065 special case edge flag updating when the post dominator is
9068 2006-02-08 Roger Sayle <roger@eyesopen.com>
9070 * tree.def (CHAR_TYPE): Remove.
9071 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9072 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9073 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9074 (gen_string_type_die): Delete unreachable function.
9076 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9077 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9078 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9079 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9080 * builtins.c (type_to_class): Likewise.
9081 * fold-const.c (fold_convert, build_range_check,
9082 merge_ranges): Likewise.
9083 * expr.c (count_type_elements): Likewise.
9084 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9085 * stor-layout.c (layout_type): Likewise.
9086 * ipa-type-escape.c (type_to_consider): Likewise.
9087 * gimplify.c (omp_firstprivatize_type_sizes,
9088 gimplify_type_sizes): Likewise.
9089 * explow.c (promote_mode): Likewise.
9090 * tree-sra.c (is_sra_scalar_type): Likewise.
9091 * varasm.c (output_constant): Likewise.
9092 * tree-inline.c (remap_type_1): Likewise.
9093 * convert.c (convert_to_pointer, convert_to_real,
9094 convert_to_integer, convert_to_complex): Likewise.
9096 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9098 * df-scan.c (df_def_record_1): A set destination may
9099 be a parallel regardless of mode.
9101 2006-02-08 Roger Sayle <roger@eyesopen.com>
9104 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9105 * config/mips/_tilib.c: Remove.
9106 * config/fixtfdi.c: New libgcc source file.
9107 * config/fixunstfdi.c: New source file.
9108 * config/floatditf.c: New source file.
9109 * config/floatunditf.c: New souce file.
9110 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9111 files above instead of config/mips/_tilib.c.
9112 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9114 2006-02-08 Jeff Law <law@redhat.com>
9116 PR tree-optimization/26169
9117 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9120 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9122 * df.h (DF_REG_SIZE): Return the length of the initialized
9125 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9127 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9128 __muldf3): Return a correctly signed zero.
9130 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9132 * passes.c (register_one_dump_file): Accept the current properties
9133 instead of pass number. Adjust call to dump_register. Remove
9135 (register_dump_files): Now a wrapper around...
9136 (register_dump_files_1): ... this one. Do not modify the pass
9138 (next_pass_1): Cosmetic fix.
9139 (execute_todo): Keep second parameter only. Use curr_properties
9140 instead of fetching it from the pass structure. Check and set
9142 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9143 instead of fetching it from the pass structure. Fix calls to
9144 execute_todo. Update curr_properties and initialize .vcg RTL dump
9145 after running the pass. Reset last_verified.
9146 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9148 (FIRST_AUTO_NUMBERED_DUMP): New.
9149 (dump_register): Remove "num" parameter, assign it within the
9151 (get_dump_file_name): Modify template for dumps.
9152 * tree-dump.h (dump_register): Adjust prototype.
9153 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9154 (PROP_trees): Add PROP_gimple_lomp.
9155 (TODO_set_props): New.
9156 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9157 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9158 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9160 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9162 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9163 (sparc64-*-linux*): Likewise.
9164 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9165 * config/sparc/t-linux: New file.
9166 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9167 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9168 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9169 -m32 -mlong-double-128.
9171 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9172 * config/alpha/t-linux: New file.
9173 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9175 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9176 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9177 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9178 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9179 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9180 (CPP_ARCH32_SPEC): Remove.
9182 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9184 PR tree-optimization/26145
9185 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9188 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9191 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9192 >= 240000 when generating code for SOM runtime.
9193 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9194 to $$dyncall when generating code for SOM runtime..
9196 2006-02-07 Dirk Mueller <dmueller@suse.com>
9199 * doc/invoke.texi (-Wsequence-point): Update documentation
9200 that -Wsequence-point is implemented for C++ as well.
9202 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9204 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9205 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9206 (LIB_SPEC): Likewise.
9207 * doc/invoke.texi (SPARC options): Document -pthread.
9209 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9211 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9214 2006-02-07 Roger Sayle <roger@eyesopen.com>
9216 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9217 Correct comment describing BOOLEAN_TYPE.
9219 2006-02-07 Dirk Mueller <dmueller@suse.com>
9221 * c.opt: C++ frontend supports -Wdiv-by-zero.
9222 * c-opts.c (c_common_handle_option): Remove dead case.
9224 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9226 * configure.ac (TLS assembler check): Do not enable TLS by
9227 default on SPARC/Solaris before version 10.
9228 * configure: Regenerate.
9230 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9232 * doc/invoke.texi (xl-compat): Document conversion and support
9235 2006-02-07 Jeff Law <law@redhat.com>
9237 * tree-vrp.c (find_conditional_asserts): Update comments.
9238 (simplify_stmt_for_jump_threading): New.
9239 (identify_jump_threads, finalize_jump_threads): New.
9240 (vrp_finalize): Call identify_jump_threads.
9241 (execute_vrp): Call finalize_jump_threads.
9242 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9243 (vrp_element, vrp_data, vrp_element_p): Remove.
9244 (vrp_hash_elt, vrp_variables_stack): Remove.
9245 (vrp_hash, vrp_eq, record_range): Remove.
9246 (simplify_cond_and_lookup_avail_expr): Remove.
9247 (extract_range_from_cond): Remove.
9248 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9249 (simplify_stmt_for_jump_threading): New.
9250 (dom_thread_across_edge): New wrapper.
9251 (tree_ssa_dominator_optimize): No longer initialize or
9252 finalize any of the VRP datastructures. Remove iteration
9253 step and simplify as a result of removal of iteration step.
9254 (pass_dominator): Perform a cfg cleanup after DOM.
9255 (dom_opt_finalize_block): Use the new common routines
9256 for threading jumps. Simplify stack management slightly.
9257 No longer need to unwind VRP state.
9258 (record_equivalences_from_incoming_edge): No longer record
9260 (eliminate_redundant_computations): No longer call
9261 simplify_cond_and_lookup_avail_expr.
9262 * tree-flow.h (potentially_threadable_block): Prototype.
9263 (thread_across_edge): Likewise.
9264 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9265 (tree-ssa-threadedge.o): Add dependencies.
9266 * tree-ssa-threadedge.c: New file.
9267 * passes.c (init_optimization_passes): Merge PHIs before
9268 calling VRP. Run VRP again late in the SSA optimization pipeline.
9270 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9272 * df-core.c (df_set_blocks): Do not dereference function pointers.
9273 (df_finish1): Likewise.
9274 (df_hybrid_search_forward): Likewise.
9275 (df_hybrid_search_backward): Likewise.
9276 (df_iterative_dataflow): Likewise.
9277 (df_analyze_problem): Likewise.
9278 (df_compact_blocks): Likewise.
9279 (df_dump): Likewise.
9280 * df-scan.c (df_rescan_blocks): Likewise.
9281 (df_record_entry_block_defs): Likewise.
9283 * genconditions.c (write_conditions): Guard the definition of
9284 'insn_conditions' with the check on GCC version.
9285 (write_writer): Guard the traversal 'insn_conditions' with
9286 the check on GCC version.
9288 2006-02-07 Richard Guenther <rguenther@suse.de>
9292 2006-01-30 Richard Guenther <rguenther@suse.de>
9294 * gimplify.c (gimplify_target_expr): Handle easy cases
9295 without creating a temporary.
9297 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9299 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9300 use of float in probability computations. Use edge probabilities
9301 in place of statically computed probabilities.
9302 (min_spec_prob): New static variable.
9303 (schedule_insns): Initialize it.
9304 (GET_SRC_PROB): Removed.
9305 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9307 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9310 * config/ia64/unwind-ia64.c: Revert last change.
9311 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9312 (INCOMING_FRAME_SP_OFFSET): Define.
9314 2006-02-06 Roger Sayle <roger@eyesopen.com>
9316 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9318 2006-02-07 Ben Elliston <bje@au.ibm.com>
9320 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9321 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9322 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9323 (ix86_return_in_memory): Handle TDmode.
9324 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9325 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9327 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9329 * reorg.c (dbr_schedule): Use dump_file instead of file.
9331 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9334 * config/ia64/predicates.md (extr_len_operand): New predicate.
9335 * config/ia64/ia64.md (extv): Tighten constraints.
9337 (*tbit_and_2): Ditto.
9338 (*tbit_and_3): Ditto.
9339 (*tbit_or_2): Ditto.
9340 (*tbit_or_3): Ditto.
9344 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9347 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9349 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9351 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9352 loop_optimizer_init and loop_optimizer_finalize
9353 * tree-ssa-sink.c (execute_sink_code): Ditto.
9354 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9355 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9356 tree_ssa_loop_done): Ditto.
9357 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9358 * sched-ebb.c: Include output.h.
9359 (schedule_ebbs): Do not use dump argument.
9360 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9361 * loop.c (loop_dump_stream): Removed.
9362 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9364 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9365 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9366 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9367 loop_iterations, strength_reduce, record_biv, record_giv,
9368 final_giv_value, check_final_value, check_ext_dependent_givs,
9369 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9370 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9371 dump_file instead of loop_dump_stream.
9372 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9374 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9376 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9377 * haifa-sched.c: Include output.h
9378 (schedule_insns, sched_init): Do not use dump argument.
9379 * mode-switching.c (optimize_mode_switching): Ditto.
9380 * modulo-sched.c (stats_file): Removed.
9381 (print_node_sched_params): Do not call argument dump_file.
9382 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9383 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9385 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9387 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9388 rtl_loop_init, rtl_loop_done): Ditto.
9389 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9390 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9392 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9393 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9394 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9395 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9396 * emit-rtl.c (renumber_insns): Ditto.
9397 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9398 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9399 * regclass.c (regclass): Ditto.
9400 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9401 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9402 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9403 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9405 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9406 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9408 * gcse.c (gcse_file, debug_stderr): Removed.
9409 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9410 rest_of_handle_gcse): Do not use dump argument.
9411 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9412 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9413 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9414 compute_code_hoist_vbeinout, compute_code_hoist_data,
9415 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9416 compute_store_table, build_store_vectors, insert_insn_start_bb,
9417 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9418 store_motion): Use dump_file instead of gcse_file.
9419 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9420 * profile.c (profile_dump_file): Removed.
9421 (branch_prob): Use dump_file instead of profile_dump_file.
9422 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9424 * tree-ssa-copy.c (dump_copy_of): Ditto.
9425 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9426 dump file to life_analysis.
9427 * bt-load.c (branch_target_load_optimize): Ditto.
9428 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9430 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9431 regclass, dbr_schedule): Declaration changed.
9432 * sched-int.h (sched_init): Declaration changed.
9433 * tree-profile.c (tree_profile_dump_file): Removed.
9434 (tree_profile_hooks): Removed profile_dump_file hook.
9435 * rtl-profile (rtl_profile_dump_file): Removed.
9436 (rtl_profile_hooks): emoved profile_dump_file hook.
9437 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9439 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9440 * tree-cfg.c (build_tree_cfg): Ditto.
9441 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9442 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9443 Declaration changed.
9444 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9445 life_analysis and schedule_insns.
9446 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9448 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9450 * config/mips/mips.c (mips_reorg): Ditto.
9451 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9454 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9456 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9457 (s390_mangle_fundamental_type): New.
9458 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9461 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9462 (alpha_mangle_fundamental_type): New.
9463 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9466 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9468 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9470 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9471 (sparc_mangle_fundamental_type): New.
9473 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9475 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9476 (s390x-*-linux*): Likewise.
9477 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9478 * config/s390/t-linux: New file.
9480 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9482 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9483 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9485 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9487 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9488 (ANTIC_SAFE_LOADS): New macro.
9489 (find_or_generate_expression): Add prototype.
9490 (set_contains_value): Allow null set for sake of not always having
9491 to allocate ANTIC_SAFE_LOADS.
9492 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9493 Allow COMPONENT_REF too.
9494 (valid_in_set): Allow COMPONENT_REF.
9495 Check ANTIC_SAFE_LOADS too.
9496 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9497 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9499 (can_PRE_operation): Add COMPONENT_REF.
9500 (create_component_ref_by_pieces): New function.
9501 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9502 (insert_aux): Move AGGREGATE_TYPE_P check here.
9503 (compute_avail): Set bb local stmt uids.
9504 (pass_pre): Use TODO_update_ssa_only_virtuals.
9506 2006-02-06 Ben Elliston <bje@au.ibm.com>
9508 * configure.ac: Unconditionally disable decimal float by default.
9509 * configure: Regenerate.
9511 2006-02-06 Ben Elliston <bje@au.ibm.com>
9513 * read-rtl.c (read_name): Terminate reading on EOF.
9515 2006-02-06 Ben Elliston <bje@au.ibm.com>
9517 * dfp.c (decimal_real_arithmetic): Change second argument type
9518 from int to enum tree_code. Do not always return true, but now
9519 return result of any call to decimal_do helper functions.
9520 * dfp.h (decimal_real_arithmetic): Update prototype.
9522 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9524 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9526 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9529 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9532 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9534 * tree-vrp.c (cfg_loops): Removed.
9535 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9536 Use current_loops instead of cfg_loops. Pass flags to
9537 loop_optimizer_init.
9538 * cfgloopmanip.c (fix_loop_structure): Update only available
9540 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9541 loop_optimizer_init.
9542 * modulo-sched.c (build_loops_structure): Removed.
9543 (sms_schedule): Use loop_optimizer_init.
9544 * loop-init.c (loop_optimizer_init): Use flags to determine
9545 which properties of loops to prepare.
9546 (rtl_loop_init): Pass flags to loop_optimizer_init.
9547 * tree-ssa-sink.c (execute_sink_code): Ditto.
9548 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9549 * tree-ssa-pre.c (init_pre): Ditto.
9550 * cfgloop.h (LOOPS_NORMAL): New.
9551 (loop_optimizer_init): Declaration changed.
9553 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9555 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9556 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9558 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9560 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9562 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9563 * pa/t-pa64: Delete quadlib.c rule.
9564 * pa/x-ada: Revert last change.
9565 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9567 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9569 PR rtl-optimization/26087
9570 * rtlanal.c (canonicalize_condition): Do not cross basic block
9573 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9576 * config/ia64/ia64.c: Include debug.h.
9577 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9578 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9579 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9580 (process_epilogue, process_set, process_for_unwind_directive):
9581 Output unwind info only if requested. Add CFA info if requested.
9582 Add new arguments as needed. Adjust callers.
9583 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9585 (DWARF2_FRAME_INFO): Define to zero.
9586 * config/ia64/unwind-ia64.c: Remove code that compensated for
9587 the CFA offset error fixed above.
9588 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9589 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9590 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9591 -funwind-tables and -fexceptions to enable frame info.
9592 (dwarf2out_frame_init): Define initial CFA even if
9593 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9594 DWARF2_UNWIND_INFO is nonzero, not just defined.
9595 (dwarf2out_frame_finish): Output non-EH call frame info only
9596 if DWARF2_FRAME_INFO is nonzero.
9597 (convert_cfa_to_loc_list,
9598 compute_frame_pointer_to_cfa_displacement): Define even if
9599 unwind info is not supported.
9600 (gen_subprogram_die): Use the above unconditionally. Remove
9601 legacy alternate code.
9602 * toplev.c (compile_file): Compile in call to
9603 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9604 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9606 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9607 Jakub Jelinek <jakub@redhat.com>
9609 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9610 IBM extended float format long double as "g" on powerpc*-linux.
9612 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9615 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9616 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9618 2006-02-03 Jason Merrill <jason@redhat.com>
9621 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9624 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9625 on the return slot if it's an NRV.
9627 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9629 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9630 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9631 rewrite_use): Do not handle USE_OUTER.
9632 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9633 add_iv_outer_candidates, may_replace_final_value,
9634 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9635 (find_interesting_uses_op): Functionality of
9636 find_interesting_uses_outer_or_nonlin moved here.
9637 (find_interesting_uses_outside): Use find_interesting_uses_op.
9639 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9642 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9644 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9645 Ulrich Weigand <uweigand@de.ibm.com>
9648 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9649 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9650 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9651 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9653 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9654 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9655 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9656 Define secondary reloads for TFmode moves.
9657 (constant_modes): Add TFmode.
9658 (NR_C_MODES): Set to 8.
9659 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9661 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9662 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9663 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9664 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9665 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9666 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9667 (FPR mode macro): Add TFmode.
9668 (DSF mode macro): New.
9669 (<de>, <dee> mode attributes): Removed.
9670 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9671 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9672 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9673 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9674 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9675 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9676 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9677 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9678 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9679 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9680 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9681 "*negabs<mode>2", "sqrt<mode>2"):
9682 Changed <de> to <xde>. R constraint replaced by <Rf>.
9683 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9685 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9686 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9687 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9689 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9690 "extenddftf2", "extendsftf2"): New expanders.
9691 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9692 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9693 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9694 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9696 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9697 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9698 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9699 __floatditf): Add a GCC_4.1.0 symbol version tag.
9700 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9703 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9706 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9707 Use targetm.binds_local_p instead of TREE_PUBLIC.
9709 2006-02-02 Roger Sayle <roger@eyesopen.com>
9711 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9712 on INTEGER_TYPEs to indicate that it denotes a character type.
9713 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9714 signed_char_type_node, unsigned_char_type_node and char_type_node.
9715 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9716 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9717 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9719 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9720 Daniel Berlin <dberlin@dberlin.org>
9722 * tree-tailcall.c (arg_needs_copy_p): New function.
9723 (eliminate_tail_call): Use arg_needs_copy_p.
9724 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9725 (add_virtual_phis): New function.
9727 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9729 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9730 #ignore instead of #scratch for %g7 .register directive.
9732 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9734 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9737 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9739 * flow.c (calculate_global_regs_live): Assert that there aren't any
9742 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9744 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9746 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9747 bsi_after_labels iterator.
9748 * tree-if-conv.c (find_phi_replacement_condition,
9749 replace_phi_with_cond_modify_expr): Likewise.
9750 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9751 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9753 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9755 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9757 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9760 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9761 array after growing it.
9763 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9766 * fold-const.c (fold_checksum_tree): Change type of buf.
9768 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9770 * reload.c (push_secondary_reload): Initialize t_icode.
9772 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9774 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9775 -msoft-float -mlong-double-128 only issue a warning, but don't
9776 swich to DFmode long double.
9778 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9780 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9781 has a constant equivalent, iterate over equivalents for arg0,
9782 calling simplify_relational_operation and if there's a result
9783 cheaper than X, apply fold_rtx and return the result.
9785 2006-02-01 Jan Hubicka <jh@suse.cz>
9787 * opts.c (no_unit_at_a_time_default): New global variable.
9788 (decode_options): Use it.
9789 * opts.h (no_unit_at_a_time_default): Declare.
9791 2006-02-01 Paul Brook <paul@codesourcery.com>
9793 * function.c (assign_parm_setup_reg): Use function argument promotion
9795 * expr.c (expand_expr_real_1): Use function argument promotion rules
9798 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9800 * gcc.c (process_command): Change j to 'unsigned int'.
9802 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9805 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9806 Use the corrected index for the character
9807 out of the string constant.
9809 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9811 * mode-switching.c (optimize_mode_switching): Fix size
9812 allocated for bb_info[n_entities].
9814 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9816 * gcc.c (main): Correct type that is allocated for
9817 explicit_link_files.
9819 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9821 * config/s390/s390.c (init_alignment_context): Set
9822 ALIAS_SET_MEMORY_BARRIER on the MEM.
9823 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9825 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9828 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9830 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9833 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9835 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9836 * regrename.c: Ditto.
9837 * tree-ssa-loop-im.c: Ditto.
9838 * tree-dump.c: Ditto.
9839 * tree-complex.c: Ditto.
9840 * genrecog.c: Ditto.
9841 * tree-ssa-threadupdate.c: Ditto.
9843 * java/class.c: Ditto.
9844 * java/jcf-parse.c: Ditto.
9845 * java/resource.c: Ditto.
9846 * java/except.c: Ditto.
9847 * java/jvspec.c: Ditto.
9848 * java/jcf-write.c: Ditto.
9849 * java/jcf-path.c: Ditto.
9850 * java/gjavah.c: Ditto.
9851 * java/zextract.c: Ditto.
9852 * java/jcf-io.c: Ditto.
9853 * java/jcf.h: Ditto.
9854 * java/buffer.c: Ditto.
9855 * java/lang.c: Ditto.
9856 * java/parse-scan.y: Ditto.
9857 * java/lex.c: Ditto.
9858 * java/lex.h: Ditto.
9859 * cfgloopmanip.c: Ditto.
9860 * postreload-gcse.c: Ditto.
9861 * tree-ssa-loop-manip.c: Ditto.
9862 * postreload.c: Ditto.
9863 * tree-ssa-loop-ch.c: Ditto.
9867 * diagnostic.c: Ditto.
9869 * genoutput.c: Ditto.
9871 * cfghooks.c: Ditto.
9872 * cfgloopanal.c: Ditto.
9873 * objc/objc-act.c: Ditto.
9875 * genextract.c: Ditto.
9876 * genautomata.c: Ditto.
9877 * pretty-print.c: Ditto.
9879 * cgraphunit.c: Ditto.
9882 * haifa-sched.c: Ditto.
9883 * dominance.c: Ditto.
9885 * tree-ssa-loop-ivopts.c: Ditto.
9887 * mode-switching.c: Ditto.
9888 * modulo-sched.c: Ditto.
9890 * ipa-pure-const.c: Ditto.
9892 * fix-header.c: Ditto.
9894 * tree-stdarg.c: Ditto.
9895 * ipa-utils.c: Ditto.
9896 * loop-init.c: Ditto.
9897 * ipa-inline.c: Ditto.
9900 * alloc-pool.c: Ditto.
9901 * dwarf2out.c: Ditto.
9903 * genattrtab.c: Ditto.
9904 * tree-ssa-loop-ivcanon.c: Ditto.
9908 * fortran/gfortranspec.c: Ditto.
9910 * local-alloc.c: Ditto.
9911 * langhooks.c: Ditto.
9912 * function.c: Ditto.
9913 * tree-vectorizer.c: Ditto.
9915 * ipa-type-escape.c: Ditto.
9917 * tree-if-conv.c: Ditto.
9920 * tree-data-ref.c: Ditto.
9921 * loop-unroll.c: Ditto.
9922 * treelang/treetree.c: Ditto.
9925 * ggc-common.c: Ditto.
9927 * coverage.c: Ditto.
9929 * tree-cfgcleanup.c: Ditto.
9930 * tree-ssa-pre.c: Ditto.
9931 * cfgcleanup.c: Ditto.
9932 * loop-invariant.c: Ditto.
9934 * ipa-prop.c: Ditto.
9935 * print-tree.c: Ditto.
9936 * conflict.c: Ditto.
9937 * ggc-page.c: Ditto.
9938 * sched-deps.c: Ditto.
9939 * regclass.c: Ditto.
9940 * tree-object-size.c: Ditto.
9942 * bb-reorder.c: Ditto.
9943 * resource.c: Ditto.
9944 * var-tracking.c: Ditto.
9946 * df-problems.c: Ditto.
9947 * reg-stack.c: Ditto.
9950 * sched-rgn.c: Ditto.
9951 * tree-ssa-structalias.c: Ditto.
9952 * tree-ssa-reassoc.c: Ditto.
9953 * config/darwin-c.c: Ditto.
9954 * config/darwin.c: Ditto.
9955 * config/arm/arm.c: Ditto.
9957 * collect2.c: Ditto.
9960 2006-01-31 Nicolas Pitre <nico@cam.org>
9962 * arm.md (smaxsi3): Make aware of smax_m1.
9965 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9967 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9969 2006-01-31 Richard Guenther <rguenther@suse.de>
9971 * doc/invoke.texi (-msselibm): Document.
9972 * target.h (expand_library_builtin): New target hook.
9973 * builtins.c (expand_builtin): Use expand_library_builtin.
9974 (default_expand_library_builtin): New function.
9975 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9976 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9977 (link_gcc_math_spec): Declare.
9978 (static_specs): Add link_gcc_math_spec.
9979 * expr.h (default_expand_library_builtin): Declare.
9980 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9981 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9982 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9983 * config/i386/i386.opt (msselibm): New target option.
9984 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9985 (ix86_init_sse_abi_builtins): New function.
9986 (ix86_expand_library_builtin): Likewise.
9987 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9988 (override_options): Handle error conditions wrt -msselibm.
9989 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9990 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9991 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9994 2006-01-31 Richard Guenther <rguenther@suse.de>
9995 Paolo Bonzini <bonzini@gnu.org>
9997 * doc/install.texi (--disable-libgcc-math): Document.
9999 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10001 * expr.h (expand_normal): new inline function.
10002 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10003 * dojump.c: use it.
10004 * dwarf2out.c: use it.
10007 * expmed.c: use it.
10008 * except.c: use it.
10009 * config/sparc/sparc.c: use it.
10010 * config/i386/i386.c: use it.
10011 * config/rs6000/rs6000.c: use it.
10012 * config/arm/arm.c: use it.
10013 * config/mips/mips.c: use it.
10014 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10016 2006-01-30 Roger Sayle <roger@eyesopen.com>
10018 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10019 argv to the appropriate type.
10021 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10023 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10026 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10029 * config/s390/s390.c (struct machine_function): New flag
10030 decomposed_literal_pool_addresses_ok_p.
10031 (s390_reorg): Set it before final stage of literal pool transforms.
10032 (s390_decompose_address): Only accept displacements of the form
10033 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10035 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10037 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10038 the comparison routine return.
10040 2006-01-30 Michael Matz <matz@suse.de>
10042 * global.c (find_reg): Only evict for global regs.
10043 Take n_refs into account and dump more info.
10045 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10048 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10049 (pragma_trap, pragma_nosave_low_regs): Likewise.
10050 (current_function_anonymous_args): Likewise.
10051 (sh_deferred_function_attributes): New variable.
10052 (sh_deferred_function_attributes_tail): Likewise.
10053 (print_operand): For '@', look up trap_exit attribute.
10054 (calc_live_regs): Look up trapa_handler attribute. For trapa
10055 handlers, save/restore fpscr, but don't do any other
10056 interrupt-specific saves.
10057 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10058 Fix check for partially saved registers to check for SHmedia.
10059 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10060 (sh_output_function_epilogue): Don't clear any of the removed
10062 (sh_insert_attributes): Don't check pragma_interrupt.
10063 Insert deferred attributes. Check that interrupt attribute is
10064 present for other attributes that require its presence.
10065 (sh_attribute_table): Add new attributes trapa_handler and
10067 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10068 Don't check for pragma_interrupt. Don't store argument.
10069 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10070 (sh_deferred_function_attributes): Declare.
10071 (sh_deferred_function_attributes_tail): Likewise.
10072 * sh.md (sp_switch_1): Add operand. Change generator caller.
10073 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10074 (*return_i): Don't use when trap_exit attribute is in effect.
10075 (*return_trapa): New insn pattern.
10076 * sh-c.c: New file.
10077 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10078 setting c_target_objs and cxx_target_objs.
10079 * t-sh: Add rule for sh-c.o.
10081 2006-01-30 Richard Guenther <rguenther@suse.de>
10084 * gimplify.c (gimplify_target_expr): Handle easy cases
10085 without creating a temporary.
10087 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10089 * vec.h (safe_grow): Remove duplicated line.
10091 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10094 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10095 (expand_omp): ... here.
10096 (expand_omp_parallel): Only remove barriers for combined
10097 parallel+workshare constructs.
10099 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10103 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10104 * tree.c (build_qualified_type): Chain the new type to the original
10105 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10106 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10107 (build_pointer_type_for_mode): Only return unqualified types.
10108 (build_reference_type_for_mode): Likewise.
10110 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10112 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10113 * Makefile.in (CXX_COMPAT_WARN): Define.
10114 * configure: Regenerate.
10116 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10119 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10122 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10124 * toplev.c: Fix thinko.
10126 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10127 Marcin Dalecki <martin@dalecki.de>
10129 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10130 (push_srcloc): Use XNEW.
10131 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10133 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10135 * df-core.c (df_set_blocks): Deleted all variable.
10137 2006-01-28 Ian Lance Taylor <ian@airs.com>
10139 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10140 cgraph_output_pending_asms.
10142 2006-01-28 Zack Weinberg <zackw@panix.com>
10144 * c.opt: Add -W(no-)overlength-strings.
10145 * doc/invoke.texi: Document it.
10146 * c-opts.c (c_common_handle_option): -pedantic implies
10147 -Woverlength-strings, if not explicitly disabled already.
10148 (c_common_post_options): -Woverlength-strings defaults to off, and
10149 is always off for C++.
10150 * c-common.c (fix_string_type): Issue warning about strings longer
10151 than is portable only if warn_overlength_strings. Rearrange code
10152 a little for clarity.
10153 * configure.in: Check for -Wno-overlength-strings as well before
10154 enabling -pedantic in stage 1.
10155 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10156 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10158 * genconditions.c (write_header, write_one_condition)
10159 (write_conditions, write_writer): Consolidate very long strings
10160 that were broken up to fit in C89 portable limit. Don't use
10161 printf when fputs will do.
10163 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10165 * combine.c (simplify_comparison <AND>): Check
10166 TRULY_NOOP_TRUNCATION before start using a subreg.
10168 * config/mips/mips.md (*branch_zero<mode>,
10169 *branch_zero<mode>_inverted, *branch_equality<mode>,
10170 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10171 Remove mode check from comparisons.
10173 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10175 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10177 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10179 * expmed.c (const_mult_add_overflow_p): Remove.
10180 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10182 * recog.c (validate_replace_rtx_subexp): Remove.
10183 * recog.h: Remove the prototype for
10184 validate_replace_rtx_subexp.
10186 * integrate.h: Remove the prototype for
10187 copy_decl_for_inlining.
10188 * rtl.h: Remove the prototype for mark_constant_function.
10189 * tree-vectorizer.h: Remove the prototype for
10190 vect_strip_conversion.
10192 * modulo-sched.c (create_partial_schedule,
10193 free_partial_schedule, reset_partial_schedule): Make them
10196 * hooks.c (hook_bool_rtx_int_false): Remove.
10197 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10199 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10201 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10202 and -mlong-double-128 are incompatible.
10203 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10204 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10205 (TARGET_LIBGCC2_CFLAGS): Define.
10206 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10207 (TARGET_LIBGCC2_CFLAGS): Same.
10208 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10210 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10213 * c-typeck.c (build_binary_op): Perform implicit casts of
10214 operands before shortening them.
10216 * cfgloopmanip.c (split_loop_bb): Remove.
10217 * cfgloop.h: Remove the prototype for split_loop_bb.
10219 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10220 * cfgloop.h: Remove the prototype for
10221 flow_loop_outside_edge_p.
10223 * emit-rtl.c (init_virtual_regs): Make it static.
10224 * function.h: Remove the prototype for init_virtual_regs.
10226 * recog.c (peephole2_optimize): Make it static.
10227 * recog.h: Remove the prototype for peephole2_optimize.
10229 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10231 * df-scan.c (df_record_entry_block_defs): Check if
10232 INCOMING_RETURN_ADDR_RTX is defined.
10234 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10235 Kenneth Zadeck <zadeck@naturalbridge.com>
10237 PR rtl-optimization/24762
10238 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10239 * targhooks.c (hook_void_bitmap): New hook prototype.
10240 * targhoohs.h (hook_void_bitmap): Ditto.
10241 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10242 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10243 * target.h (live_on_entry): New function pointer.
10244 * df-scan.c (df_all_hard_regs): Removed.
10245 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10246 (df_scan_free_internal): Added df->entry_block_defs.
10247 (df_scan_alloc): Ditto.
10248 (df_scan_dump): Ditto.
10249 (df_uses_record): Plumbed flag field properly thru calls.
10250 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10251 This part fixes PR24762.
10252 (df_bb_refs_record): Added code to make the frame and arg
10253 pointers live in EH blocks.
10254 (df_refs_record): Added call to df_record_entry_block_defs.
10255 (df_record_entry_block_defs): New function.
10256 * df-core.c: Added comments to describe new artifical defs.
10257 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10258 (entry_block_defs): New field in struct df.
10259 (df_all_hard_regs): Deleted.
10260 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10261 * df-problems.c (df_ru_bb_local_compute_process_def):
10262 Added code to handle artifical defs in the entry to a function.
10263 (df_ru_bb_local_compute): Ditto.
10264 (df_rd_bb_local_compute_process_def): Ditto.
10265 (df_rd_bb_local_compute): Ditto.
10266 (df_lr_bb_local_compute): Ditto.
10267 (df_ur_bb_local_compute): Ditto.
10268 (df_urec_bb_local_compute): Ditto.
10269 (df_chain_create_bb): Ditto.
10270 (df_ur_local_finalize): Removed entry.
10271 (df_urec_init): Ditto.
10272 (df_urec_local_finalize): Ditto.
10273 (df_ri_bb_compute): Added detection of last use of pseudos.
10274 * Makefile.in (df-scan.o): Updated dependencies.
10275 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10276 * config/mips/mips.c (mips_set_live_on_entry): Added.
10277 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10279 * dce.c (marked_insn_p): Added code to handle artifical defs.
10281 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10283 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10285 (_mm_cvtsi128_si64): Likewise.
10286 (_mm_cvtsd_si64): Likewise.
10287 (_mm_cvttsd_si64): Likewise.
10288 (_mm_cvtsi64_sd): Likewise.
10289 (_mm_cvtsi64_si128): Likewise.
10290 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10291 (_mm_cvtsi64_m64): Likewise.
10292 (_m_to_int64): Likewise.
10293 (_mm_cvtm64_si64): Likewise.
10294 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10295 (_mm_cvttss_si64): Likewise.
10296 (_mm_cvtsi64_ss): Likewise.
10297 (_mm_cvtss_f32): Likewise.
10299 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10301 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10302 for pragma redefine_extname.
10304 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10307 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10308 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10309 -mno-minimal-toc to previous content.
10310 (bispecs): Remove goal.
10311 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10312 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10313 compatibility aliases on powerpc-*-*gnu*.
10314 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10315 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10316 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10317 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10318 (ldblspecs): New goal.
10319 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10320 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10322 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10323 L_sf_to_tf or L_df_to_tf is defined.
10325 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10326 Alan Modra <amodra@bigpond.net.au>
10329 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10330 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10331 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10332 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10333 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10334 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10335 (rs6000_override_options): Initialize rs6000_ieeequad.
10336 Initialize TFmode format to ibm_extended_format if not
10338 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10340 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10341 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10342 (function_arg_advance): IBM long double passed in two FPRs, not
10344 (function_arg): IBM long double passed in FPRs.
10345 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10346 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10347 Only multireg GPR aligned.
10348 (rs6000_init_libfuncs): Enable IBM long double functions if not
10350 (rs6000_generate_compare): Use IBM long double compare if not
10352 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10353 (TARGET_IEEEQUAD): Define.
10354 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10355 not TARGET_IEEEQUAD.
10356 * config/rs6000/rs6000.md: Enable TFmode patterns if
10358 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10359 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10360 and -mlong-double-128 are incompatible.
10361 * doc/invoke.texi (-mabi): Collect options together. Add
10362 ibmlongdouble and ieeelongdouble.
10364 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10366 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10368 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10369 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10370 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10371 * rtl.h (rtunion_def): Remove rt_ptr.
10373 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10374 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10375 * config/i386/winnt.c (i386_pe_mark_dllexport)
10376 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10378 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10380 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10382 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10386 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10387 pthread_key_delete. From John David Anglin. gthrw-ify
10388 pthread_getunique_np only if it it's not a macro. Delete
10390 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10391 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10392 __gthread_objc_condition_signal, __gthread_key_delete): Add
10393 "__attribute__ ((__unused__))" to unused arguments.
10394 (__gthread_recursive_mutex_init_function): Add missing return.
10395 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10396 gthr-posix95.h: Use macro-based approach for name redirection
10397 on targets missing weakref.
10399 2006-01-26 Zack Weinberg <zackw@panix.com>
10401 * genconditions.c (write_header): In generated code, #ifdef out
10402 all includes and fake declarations, except includes of bconfig.h
10403 and system.h, unless GCC_VERSION >= 3001. Do not include
10404 gensupport.h in any case.
10405 (write_conditions): Generate a definition of struct c_test. Add
10406 a comment to the generated #endif.
10407 (write_one_condition): Escape backslashes in string too.
10408 (write_writer): Generated code must escape backslashes and quote
10409 marks (but not newlines) in the strings it writes.
10410 * Makefile.in (build/gencondmd.o): Update dependencies.
10412 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10415 * Makefile.in (insn-automata.o): Add header file dependencies.
10416 * genautomata.c: Add includes.
10418 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10421 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10423 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10425 * configure.ac: Expect target tools paths to be passed from the toplevel
10426 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10428 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10430 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10433 * c.opt (Wpointer-sign): Init to -1.
10434 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10435 OPT_pedantic, to 0 otherwise.
10436 * doc/invoke.texi: Update.
10438 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10440 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10441 constants provided by 80387 instructions in the destination mode.
10443 2006-01-26 Richard Guenther <rguenther@suse.de>
10444 Andrew Pinski <pinskia@physics.uc.edu>
10447 partial PR tree-opt/17064
10448 * tree-ssa-structalias.c (intra_create_variable_infos):
10449 Create heap variables for incoming parameters if
10450 flag_argument_noalias > 1.
10451 (find_what_p_points_to): Look through default defs of
10454 2006-01-26 Jeff Law <law@redhat.com>
10457 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10458 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10459 within the VR_RANGE, use the VR_RANGE as the result, not the
10461 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10462 bounds for the type.
10464 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10466 * tree-ssa-alias.c (maybe_create_global_var): Change
10467 subvar walking to an assertion that we don't have subvar'd variables.
10469 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10472 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10473 Use a new variable, inner. PARM_DECLs are always non-weak.
10475 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10477 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10478 --disable-checking.
10480 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10482 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10484 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10486 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10487 (smax_insn, smin_insn, smax_0, smin_0): New.
10489 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10492 * config/cris/cris.c (cris_order_for_addsi3): New function.
10493 * config/cris/cris-protos.h: Prototype it.
10494 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10495 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10496 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10497 (split for "op.S1 [rx=rx+i],ry (swapped)")
10498 (split for "op(s|u).S1 [rx=rx+i],ry")
10499 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10500 Apply cris_order_for_addsi3 when generating addsi3 insns.
10502 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10504 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10505 (TREE_BLOCK): Add call to EXPR_CHECK.
10507 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10510 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10511 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10512 (dump_omp_clauses): ... here.
10513 (dump_generic_node): Handle OMP_CLAUSE.
10514 * tree.c (omp_clause_num_ops): New.
10515 (omp_clause_code_name): New.
10516 (tree_code_size): Handle OMP_CLAUSE.
10517 (tree_size): Likewise.
10518 (make_node): Document handling of OMP_CLAUSE.
10519 (tree_node_structure): Handle OMP_CLAUSE.
10520 (omp_clause_check_failed): New.
10521 (omp_clause_range_check_failed): New.
10522 (omp_clause_operand_check_failed): New.
10523 (build_omp_clause): New.
10524 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10525 * tree.h (enum omp_clause_code): Declare.
10526 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10527 (OMP_CLAUSE_RANGE_CHECK): Define.
10528 (OMP_CLAUSE_ELT_CHECK): Define.
10529 (omp_clause_check_failed): Declare.
10530 (omp_clause_operand_check_failed): Declare.
10531 (omp_clause_range_check_failed): Declare.
10532 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10533 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10534 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10535 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10536 (OMP_CLAUSE_IF_EXPR): Likewise.
10537 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10538 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10539 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10540 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10541 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10542 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10543 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10544 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10545 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10546 (OMP_CLAUSE_CODE): Define.
10547 (OMP_CLAUSE_SET_CODE): Define.
10548 (OMP_CLAUSE_CODE): Define.
10549 (OMP_CLAUSE_OPERAND): Define.
10550 (struct tree_omp_clause): Declare.
10551 (union tree_node): Add field 'omp_clause'.
10552 * treestruct.def (TS_OMP_CLAUSE): Define.
10553 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10554 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10555 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10556 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10557 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10558 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10559 (OMP_CLAUSE): Define.
10560 * print-tree.c (print_node): Handle OMP_CLAUSE.
10561 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10562 * c-typeck.c: Likewise.
10563 * gimplify.c: Likewise.
10564 * c-omp.c: Likewise.
10565 * tree-nested.c: Likewise.
10566 * tree-inline.c: Likewise.
10567 * c-parser.c: Likewise.
10568 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10571 2006-01-25 Roger Sayle <roger@eyesopen.com>
10573 PR rtl-optimization/25703
10574 * combine.c (try_combine): Handle zero_extract and strict_low_part
10575 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10577 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10579 * global.c: Fix comment typos.
10581 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10584 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10585 Use output_addr_const instead of assemble_name.
10587 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10589 * Makefile.in (sched-vis.o): Update dependencies.
10590 * haifa-sched.c (sched_finish): Clear current_sched_info.
10591 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10592 (dump_flow_info): Call it.
10593 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10595 * basic-block.h (dump_bb_info): Declare.
10596 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10597 option, and apply options only for dump files whose TDF_RTL,
10598 TDF_TREE, or TDF_IPA bits match.
10599 * rtl.h: Declare new functions exported from sched-vis.c.
10600 * sched-vis.c: Enable also if scheduling is not used.
10601 (print_value): Print the mode of registers if not inside scheduling.
10602 (print_insn): Make it work outside the scheduler. Beautify the output
10604 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10606 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10608 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10609 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10610 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10611 depending on the value of CONSTANT_POOL_ADDRESS_P.
10612 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10614 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10615 rather than SYMBOL_REF_DECL.
10616 (rtx_constant_pool): Remove const_rtx_sym_htab.
10617 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10618 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10619 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10620 Remove handling of const_rtx_sym_htab.
10621 (find_pool_constant): Delete.
10622 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10623 rather than find_pool_constant.
10624 (get_pool_constant_for_function): Delete.
10625 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10626 find_pool_constant.
10627 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10628 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10629 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10630 (SYMBOL_REF_CONSTANT): New macro.
10631 (get_pool_constant_for_function): Delete.
10632 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10633 rather than SYMBOL_REF_DECL.
10634 (i386_pe_mark_dllimport): Likewise.
10635 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10636 rather than SYMBOL_REF_DECL.
10637 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10638 (machopic_indirect_call_target): Likewise.
10640 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10642 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10644 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10646 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10648 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10650 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10652 2006-01-24 David Daney <ddaney@avtrex.com>
10655 * configure.ac (enable_tls): New enable option.
10656 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10657 * configure: Regenerate.
10658 * doc/install.texi (--enable-tls): Document new option.
10659 (--disable-tls): Ditto.
10661 2006-01-24 Richard Henderson <rth@redehat.com>
10663 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10664 * alias.c (true_dependence): Respect it.
10665 (canon_true_dependence, write_dependence_p): Likewise.
10666 * builtins.c (get_builtin_sync_mem): Set it.
10668 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10670 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10673 2006-01-24 DJ Delorie <dj@redhat.com>
10675 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10676 for storing constants in single-bit bitfields.
10678 2006-01-25 Ben Elliston <bje@au.ibm.com>
10680 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10682 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10685 * tree-ssa-pre.c (phi_translate): Return NULL
10686 for AGGREGATE_TYPE's.
10688 2006-01-24 Zack Weinberg <zackw@panix.com>
10690 * genautomata.c (process_state_for_insn_equiv_partition):
10691 Use xcalloc for insn_arcs_array.
10692 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10693 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10695 2006-01-24 Richard Henderson <rth@redhat.com>
10697 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10698 update all callers.
10700 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10702 PR rtl-optimization/25890
10703 PR rtl-optimization/25905
10704 * combine.c (expand_compound_operation, expand_field_assignment):
10705 Fail if the bitfield's final position is out of bounds.
10707 2006-01-24 Ian Lance Taylor <ian@airs.com>
10709 PR middle-end/25930
10710 * cgraphunit.c (cgraph_output_in_order): Don't clear
10711 cgraph_asm_nodes until after asm strings have been output.
10713 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10715 * fix-header.c (read_scan_file): Add new parameter imultilib when
10716 calling register_include_chains.
10718 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10720 * omp-low.c: Update documentation.
10722 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10723 Daniel Berlin <dberlin@dberlin.org>
10727 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10728 return from the function.
10730 2006-01-22 Zack Weinberg <zackw@panix.com>
10732 * rtl.def (match_code): Add second argument.
10733 * genpreds.c (write_extract_subexp): New function.
10734 (write_match_code): Add path argument. Use write_extract_subexp.
10735 (write_predicate_expr): Pass path to write_match_code.
10736 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10737 not perform a mode test.
10738 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10739 a subexpression does not constrain the top-level code set.
10740 * read-rtl.c (read_rtx_variadic): New function.
10741 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10742 * doc/md.texi: Document new notation.
10743 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10744 (cmpsi_operand): ... here, using new notation.
10746 2006-01-22 Zack Weinberg <zackw@panix.com>
10748 * varray.c: Remove GENERATOR_FILE #ifdefs.
10750 2006-01-22 Zack Weinberg <zackw@panix.com>
10752 * genautomata.c (output_reserved_units_table): Emit nothing if
10753 description->query_units_num is zero. Remove extra blank line.
10754 (output_cpu_unit_reservation_p): Short circuit
10755 if description->query_units_num is zero.
10757 2006-01-22 Zack Weinberg <zackw@panix.com>
10759 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10760 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10761 nor any of the random handful of variables that used to be necessary
10762 when this program was linked with rtlanal.o. Prune set of forward
10763 function declarations.
10764 (struct attr_desc): Remove static_p field.
10765 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10766 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10767 (attr_string): Do not read the character one past the length of
10769 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10770 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10771 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10772 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10773 (make_automaton_attrs): New.
10774 (main): Do not call into genautomata. Call local gen_bypass
10775 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10776 Remove special case for insn_alts.
10777 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10778 varray.h (leftover from previous change). Prune set of forward
10779 function declarations. Remove state_alts fields from all
10780 structures. Remove state_alts_table from struct automaton.
10781 Make everything except main static. Do not maintain num_dfa_decls.
10782 Do not maintain state_alts fields of various structures.
10783 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10784 (add_arc): Remove state_alts argument. All callers updated.
10785 (output_reserved_units_table): Emit #ifdef here...
10786 (output_tables): ...not here. Don't generate state_alts tables.
10787 (expand_automata): Don't generate attributes.
10788 (write_automata): Don't generate state_alts functions.
10789 (main): New function.
10790 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10791 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10792 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10793 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10794 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10795 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10796 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10797 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10799 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10800 * genattrtab.h: Delete file.
10801 * Makefile.in (OBJS-common): Add insn-automata.o.
10802 (insn-automata.o): New rule.
10803 (simple_generated_c): Add insn-automata.c.
10804 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10805 (genprogmd): Add automata.
10806 (build/genattrtab): Needs no extra objects nor libraries.
10807 (build/genautomata): Needs build/vec.o and -lm.
10809 2006-01-22 Zack Weinberg <zackw@panix.com>
10811 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10812 (output_dfa_max_issue_rate, locked_states_num): Delete.
10813 (struct automaton): Add locked_states field.
10814 (output_dead_lock_vect): Save number of locked states in
10815 automaton->locked_states. If it is zero, don't print anything.
10816 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10817 (output_internal_dead_lock_func): Only test the dead_lock_vect
10818 for automata that have locked states.
10819 (output_statistics): Always print the number of locked states for
10820 each automaton. Calculate total number of locked states here.
10821 (write_automata): Don't call output_dfa_max_issue_rate.
10822 * genattrtab.c: Define length_unit_log as a const variable.
10823 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10824 max_insn_queue_index const.
10825 * final.c (length_unit_log): Declare const.
10826 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10828 2006-01-22 Zack Weinberg <zackw@panix.com>
10830 * genautomata.c: Include vec.h, not varray.h.
10831 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10832 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10833 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10834 VEC_* macros operating on appropriately typed vectors, or to
10835 malloced arrays when the size is known in advance. Const-ify
10836 many char* variables and function arguments. No functional changes.
10837 * Makefile.in (build/varray.o): Delete rule.
10838 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10839 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10841 2006-01-22 Zack Weinberg <zackw@panix.com>
10843 * gensupport.c: Define get_insn_name and record_insn_name here.
10844 (read_md_rtx): Call record_insn_name as appropriate.
10845 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10846 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10847 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10849 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10850 (BUILD_VARRAY): Delete.
10851 (genprognormal): Rename genprogmd. Fold in all programs from
10852 genprognoprint; also attrtab.
10853 (build/genattrtab): Just mention genautomata.o and varray.o.
10854 Reorganize a bit, add comments to make the categories clearer.
10856 2006-01-22 Zack Weinberg <zackw@panix.com>
10858 * genconditions.c (condition_table, add_condition): Delete.
10859 (write_conditions): Don't emit n_insn_conditions nor
10860 insn_elision_unavailable. Issue the gcc version #ifdef here,
10861 inside the table, with no #else clause ...
10862 (write_header): ...not here.
10863 (write_writer): New function.
10864 (main): Don't initialize condition_table. Use add_c_test.
10866 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10867 files on the command line.
10868 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10869 Return -1 if there is no entry in the table, don't abort.
10870 (add_c_test, traverse_c_tests): New functions.
10871 * gensupport.h (insn_elision_unavailable, insn_conditions)
10872 (n_insn_conditions): Delete declarations.
10873 (add_c_test, traverse_c_tests): Declare.
10874 * read-rtl.c: Include gensupport.h.
10875 (read_conditions): New function.
10876 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10877 (read_rtx_1): If we get EOF when we were looking for an initial
10878 open paren, return 0. Call read_conditions when appropriate.
10879 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10880 dummy-conditions.o. Eliminate references to insn-conditions.o,
10881 or change them to build/gencondmd.o, as appropriate. Remove
10882 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10883 from $(simple_generated_c). For all files remaining in those
10884 two lists, add insn-conditions.md to the generator command line.
10885 Give insn-constants.h/s-constants their own rules. Add rules
10886 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10887 (build/read-rtl.o): Depend on gensupport.h.
10888 (genprognormal): Include preds.
10889 (genprogearly): Rename genprognoprint; only difference is now that
10890 they don't link with $(BUILD_PRINT).
10891 * dummy-conditions.c: Delete.
10893 2006-01-22 Zack Weinberg <zackw@panix.com>
10895 * genextract.c: Don't include insn-config.h. Do include vec.h.
10896 Declare vectors of int, char, and locstr.
10897 (locstr): New typedef.
10898 (struct extraction): Make all array fields into bare pointers.
10899 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10900 (insn_code_number): Delete.
10901 (accum_extract): New struct.
10902 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10903 (gen_insn): Take insn_code_number as an argument. Use an
10904 accum_extract structure instead of loading data directly into
10905 a struct extraction, and having to know how big it might get.
10906 (walk_rtx): Operate entirely on an accum_extract structure.
10907 (print_path): Avoid unnecessary use of printf.
10908 (print_header): New function, split out of main. Distinguish
10909 more carefully between an unrecognizable insn and an insn that
10910 has the code number of a define_expand.
10911 (main): Pass insn_code_number to gen_insn. Call print_header
10912 only after parsing. Avoid unnecessary use of printf.
10913 * Makefile.in (build/vec.o): New rule.
10914 (build/genextract): Depend on build/vec.o.
10915 (build/genextract.o): Don't depend on insn-config.h.
10917 2006-01-22 Zack Weinberg <zackw@panix.com>
10919 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10920 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10921 practical. Eliminate per-generator-program link rules.
10923 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10925 PR middle-end/24437
10926 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10927 with a call expr to ...
10928 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10930 2006-01-23 Richard Guenther <rguenther@suse.de>
10932 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10933 before make_edge with conditional EDGE_TRUE_VALUE.
10935 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10936 Jan Hubicka <jh@suse.cz>
10937 Richard Guenther <rguenther@suse.de>
10939 PR rtl-optimization/25654
10940 * cfgexpand.c (aggregate_contains_union_type): New function.
10941 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10942 for structure variables that contain a union type.
10944 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10946 * gengtype.c (new_structure): Return the structure.
10947 (create_option): Add an extra "next" argument.
10948 (create_field): New function.
10949 (adjust_field_rtx_def): Use create_option and create_field.
10950 Remove a now-unnecessary call to find_structure.
10951 (adjust_field_tree_def): Likewise.
10952 (note_yacc_type): Remove an unnecessary call to find_structure.
10953 * gengtype.h (new_structure): Return the structure.
10954 (create_option): Add an extra argument.
10955 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10956 (option): Adjust calls to create_option.
10958 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10960 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10962 2006-01-22 Paul Brook <paul@codesourcery.com>
10963 Peter Barada <peter@the-baradas.com>
10965 * config/m68k/m68k.md: Add Coldfire FPU support.
10966 Define FP mode macro and associated attributes.
10967 Use it for float mode patterns.
10968 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10969 (LIBCALL_VALUE): Use m68k_libcall_value.
10970 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10971 (m68k_function_value): Ditto.
10972 (emit_move_sequence): Ditto.
10973 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10974 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10975 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10976 (MULTILIB_EXCEPTIONS): Ditto.
10977 * config/m68k/m68k.opt: Add mcfv4e.
10978 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10979 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10980 (m68k_output_function_prologue): Save ColdFire FPU registers.
10981 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10982 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10983 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10984 ColdFire FPU registers.
10985 (m68k_libcall_value, m68k_function_value): New functions.
10986 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10987 (LIBCALL_VALUE): Use m68k_libcall_value.
10988 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10989 (MASK_COLDFIRE): Add MASK_CFV4E.
10990 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10991 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10992 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10993 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10994 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10995 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10996 * doc/invoke.tex: Document -mcfv4e on m68k.
10998 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11000 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11003 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11006 * c-opts.c (c_common_handle_option): Don't include
11007 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11008 * doc/invoke.texi (C++ Dialect Options): Document that
11009 -Wnon-virtual-dtor is no longer included in -Wall.
11011 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11013 * gcov.c (print_version), gcov-dump.c (print_version),
11014 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11017 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11019 * df-scan.c (problem_SCAN): Added NULL reset function.
11020 (df_scan_reset_blocks): Added code to call reset block function
11021 (df_bb_refs_delete) Fixed comment.
11022 (df_insn_refs_delete): Made tolerant of deleting non existent info
11023 for dataflow problems that need to be reset.
11024 * df-core.c (df_set_blocks): Ditto.
11025 * df.h (struct df_problem): Added reset_fun.
11026 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11027 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11028 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11029 functions to clear out all references to def-use or use-def chains.
11031 2006-01-21 Ben Elliston <bje@au.ibm.com>
11033 * varasm.c (assemble_real): Initialise data array.
11035 2006-01-20 Paul Brook <paul@codesourcery.com>
11037 Merge from csl-arm-branch.
11038 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11039 * config/arm/arm.md (movdi): Force operands[1] to a register
11040 if we have a non-register source.
11041 (*arm_movdi, *movdf_soft_insn): Require that one of the
11042 operands be a register.
11043 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11044 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11046 2006-01-20 DJ Delorie <dj@redhat.com>
11048 * varasm.c (initializer_constant_valid_p): Allow pointers
11049 initialized from integer constants of lesser precision.
11050 (output_constant): Allow non-int-sized pointer modes to be
11051 initialized from integer constants.
11053 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11056 * cppdefault.h (struct default_include): Add multilib flag.
11057 * cppdefault.c (cpp_include_defaults): Set it.
11058 * c.opt (-imultilib): New option.
11059 * c-opts.c (imultilib): New.
11060 (c_common_handle_option): Handle -imultilib.
11061 (c_common_post_options): Likewise.
11062 * c-incpath.c (add_standard_paths, register_include_chains):
11064 * c-incpath.h (register_include_chains): Add extra parameter.
11065 * gcc.c (do_spec_1): Generate -imultilib option.
11066 (The Specs Language): Update %I description.
11067 (process_command): Update copyright notice.
11068 * doc/cppopts.texi (-imultilib): Document.
11069 * doc/invoke.texi (-imultilib): Include in option summary.
11070 (%I): Update specs documentation.
11072 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11074 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11076 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11078 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11081 2006-01-20 Richard Guenther <rguenther@suse.de>
11082 Steven Bosscher <stevenb.gcc@gmail.com>
11084 PR rtl-optimization/24626
11085 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11086 EDGE_TRUE_VALUE if in RTL mode.
11089 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11090 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11092 2006-01-20 Dirk Mueller <dmueller@suse.com>
11095 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11096 instead of a special NOP marker.
11097 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11098 NOP marker handling.
11099 * c-common.h (empty_body_warning): Add forward declaration.
11100 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11101 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11103 2006-01-20 Paul Brook <paul@codesourcery.com>
11105 * Makefile.in (lang_checks): Keep going if mkdir fails.
11107 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11109 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11110 be able to clean out basic block when not necessary.
11111 (df_scan_free): Fixed to properly delete information if df is
11112 unused before calling df_finish.
11113 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11114 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11116 (df_bb_refs_delete): New function.
11117 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11118 * df-core.c (df_set_blocks): Added code to properly clean out
11119 unused blocks if they are not part of the blocks to consider.
11120 Added additional null check.
11121 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11122 be able to clean out basic block when not necessary
11123 * df.h (df_free_bb_function): Ditto.
11124 (df_bb_refs_delete): New function.
11125 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11126 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11127 basic block parameter to be able to clean out basic block when not
11129 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11130 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11131 Fixed to properly delete information if df is unused before
11134 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11136 PR rtl-optimization/25799
11137 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11138 Corrected confluence operator to remove bits from op2 before oring
11139 with op1 rather than removing bits from op1.
11140 (df_ru_transfer_function): Corrected test on wrong bitmap which
11141 caused infinite loop. Both of these problems were introduced in
11142 the dataflow rewrite.
11144 2006-01-19 DJ Delorie <dj@redhat.com>
11146 * reload1.c (find_reload_regs): Note the details of reload
11147 failures in the dump file.
11148 (spill_failure): Likewise.
11150 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11152 * loop-iv.c: Include df.h and hashtab.h.
11153 (enum iv_grd_result): New enum.
11154 (DF_REF_IV, DF_REF_IV_SET): New macros.
11155 (struct biv_entry): New.
11156 (df, bivs): New global variables.
11157 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11158 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11160 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11161 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11162 analyzed_for_bivness_p, record_biv): New functions.
11163 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11164 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11165 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11167 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11169 (iv_number_of_iterations): Use new interface to iv analysis.
11170 * loop-unroll.c: Do not include varray.h.
11171 (analyze_iv_to_split_insn): Use new interface to iv
11173 * loop-unswitch.c (may_unswitch_on): Ditto.
11174 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11176 (df_bb_modify): Realloc tables to the new index.
11177 (df_find_use): New function.
11178 * df.h (df_find_use): Declare.
11179 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11181 * cfgloop.h (struct rtx_iv): Remove analysed field.
11182 (iv_get_reaching_def): Removed.
11183 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11184 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11185 (loop-iv.o): Add df.h and hashtab.h dependency.
11186 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11188 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11191 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11193 (__floatundisf, __floatundidf): Likewise.
11194 * libgcc2.h (IS_IBM_EXTENDED): Define.
11196 2006-01-19 DJ Delorie <dj@redhat.com>
11198 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11200 2006-01-19 Paul Brook <paul@codesourcery.com>
11202 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11203 as nothrow when unwinding tables are disabled.
11205 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11208 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11209 of bit-field" when in system header.
11211 2006-01-19 DJ Delorie <dj@redhat.com>
11213 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11214 the 16 bit shift limit of the m16c.
11216 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11219 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11220 * config/i386/i386.c (output_set_got): Output the label if we have one
11221 for the TARGET_DEEP_BRANCH_PREDICTION case.
11223 2006-01-19 Jan Hubicka <jh@suse.cz>
11224 H.J. Lu <hongjiu.lu@intel.com>
11225 Evandro Menezes <evandro.menezes@amd.com>
11227 * invoke.texi (generic): Document
11229 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11230 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11231 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11232 (x86_use_incdec, x86_pad_returns): New variables
11233 (TARGET_CPU_DEFAULT_generic): New constant
11234 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11235 (enum processor_type): Add generic32 and generic64.
11236 * i386.md (cpu attribute): Add generic32/generic64
11237 (movhi splitter): Behave sanely when both partial_reg_dependency and
11238 partial_reg_stall are set.
11239 (K8 splitters): Enable for generic as well.
11240 * predicates.md (incdec_operand): Use TARGET_INCDEC
11241 (aligned_operand): Avoid memory mismatch stalls.
11242 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11243 * ppro.md: Enable for generic32
11244 * i386.c (generic64_cost, generic32_cost): New.
11245 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11246 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11247 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11248 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11249 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11250 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11251 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11252 x86_accumulate_outgoing_args, x86_prologue_using_move,
11253 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11254 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11255 Enable for generic.
11256 (x86_use_incdec, x86_pad_returns): New.
11257 (override_options): Add generic32 and generic64, translate "generic"
11258 to generic32/generic64 and "i686" to "generic32", refuse
11259 "generic32"/"generic64" as arch target.
11260 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11261 (ix86_reorg): Honor PAD_RETURNS.
11263 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11265 * tree-pretty-print.c (dump_generic_node): Handle
11266 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11267 * cgraph.c (cgraph_expand_queue): Rename from
11268 cgraph_analyze_queue. Update all users.
11269 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11270 cgraph_expand_queue.
11271 (cgraph_expand_all_functions): Likewise.
11272 (cgraph_finalize_pending_functions): Remove. Update callers.
11274 * tree.h (OMP_DIRECTIVE_P): Define.
11275 (OMP_PARALLEL_FN): Define.
11276 (OMP_PARALLEL_DATA_ARG): Define.
11277 (OMP_SECTIONS_SECTIONS): Define.
11278 * tree-pass.h (pass_expand_omp): Declare.
11279 * omp-low.c (struct omp_region): Declare.
11280 (struct omp_context): Remove fields 'parallel_type',
11281 'parallel_start_ix' and 'parallel_start_additional_args'.
11283 (struct omp_for_data): Rename from struct expand_omp_for_data.
11284 (omp_regions): New static variable.
11285 (root_omp_region): New static variable.
11286 (find_omp_clause): Make static.
11287 (is_in_combined_parallel_ctx): Remove.
11288 (is_combined_parallel): New.
11289 (extract_omp_for_data): Move earlier in the file.
11290 (workshare_safe_to_combine_p): New.
11291 (get_ws_args_for): New.
11292 (determine_parallel_type): Move earlier in the file.
11293 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11295 (omp_copy_decl): Likewise.
11296 (create_omp_child_function): Likewise.
11297 (lookup_omp_region): New.
11298 (dump_omp_region): New.
11299 (debug_omp_region): New.
11300 (debug_all_omp_regions): New.
11301 (new_omp_region): New.
11302 (scan_omp_parallel): If parallel_nesting_level > 1, the
11303 directive is nested within another parallel directive.
11304 Set OMP_PARALLEL_FN.
11305 (scan_omp_for): Do not try to handle combined parallel+for
11307 Remove FIXME comment.
11308 (scan_omp_nested): Remove.
11309 (scan_omp_1): Do not call scan_omp_nested when
11310 parallel_nesting_level is > 1.
11311 Do not change the DECL_CONTEXT of local variables found.
11312 (lookup_decl_in_outer_ctx): New.
11313 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11314 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11315 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11316 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11317 If CTX is nested, lookup VAR in the outer context when
11318 building copy assignment.
11319 (lower_send_clauses): Rename from expand_send_clauses.
11320 If CTX is nested, lookup VAR in the outer context when
11321 building copy assignments.
11322 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11323 If CTX is nested, lookup VAR in the outer context when
11324 building copy assignments.
11325 (expand_parallel_call): Rename from build_parallel_call.
11326 Handle combined parallel+workshare cases.
11327 Re-implement to emit code into the CFG.
11329 (expand_omp_parallel): Re-implement to emit code into the CFG.
11330 Call move_sese_region_to_fn to outline the sub-graph
11331 containing the parallel region.
11332 (expand_omp_for_1): Remove.
11333 (expand_omp_for_generic): Re-implement to emit code into the
11335 (expand_omp_for_static_nochunk): Likewise.
11336 (expand_omp_for_static_chunk): Likewise.
11337 (expand_omp_for): Likewise.
11338 (expand_omp_sections): Likewise.
11339 (remove_exit_barriers): New.
11340 (expand_omp_synch): New.
11342 (build_omp_regions_1): New.
11343 (build_omp_regions): New.
11344 (execute_expand_omp): New.
11345 (gate_expand_omp): New.
11346 (pass_expand_omp): Define.
11347 (lower_omp_sections): Rename from expand_omp_sections.
11348 Set OMP_SECTIONS_SECTIONS.
11349 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11350 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11351 (lower_omp_single): Rename from expand_omp_simple.
11352 (lower_omp_master): Rename from expand_omp_master.
11353 (lower_omp_ordered): Rename from expand_omp_ordered.
11354 (lower_omp_critical): Rename from expand_omp_critical.
11355 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11356 (lower_omp_for): Re-implement.
11357 (lower_omp_parallel): Re-implement.
11358 (lower_regimplify): Rename from expand_regimplify.
11359 (lower_omp_1): Rename from expand_omp_1.
11360 If there are syntax errors in the program, replace every
11361 OpenMP directive with NOP.
11362 Call lower_omp_* instead of expand_omp_*.
11363 (lower_omp): Rename from expand_omp.
11365 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11366 * tree-gimple.h (enum omp_parallel_type): Remove.
11367 (gimple_boolify): Declare extern.
11368 (find_omp_clause, determine_parallel_type): Remove.
11370 * gimple-low.c (lower_omp_directive): New.
11371 (lower_stmt): Call it.
11372 (record_vars_into): Move from ...
11373 (record_vars): ... here.
11374 Call record_vars_into with current_function_decl.
11376 * gimplify.c (struct gimplify_ctx): Remove fields
11377 combined_pre_p and combined_ctxp. Update users.
11378 (get_formal_tmp_var): Add documentation.
11379 (gimple_boolify): Make extern.
11380 (gimplify_expr_in_ctx): Remove. Update callers.
11381 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11382 will always be a BIND_EXPR.
11383 (gimplify_expr): Handle OMP_RETURN_EXPR.
11384 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11385 (OMP_PARALLEL): Add 3 operands.
11386 (OMP_SECTIONS): Add 1 operand.
11387 (OMP_RETURN_EXPR): Define.
11389 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11390 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11391 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11392 creating a circular free list.
11393 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11395 * tree-flow.h (move_sese_region_to_fn): Declare.
11396 (record_vars_into): Declare.
11397 * tree-cfg.c (make_omp_sections_edges): New.
11398 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11399 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11400 OMP_SECTIONS and OMP_SECTION.
11401 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11402 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11403 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11404 (gather_blocks_in_sese_region): New.
11405 (struct move_stmt_d): Declare.
11406 (move_stmt_r): New.
11407 (move_block_to_fn): New.
11408 (move_sese_region_to_fn): New.
11410 * passes.c (init_optimization_passes): Schedule
11411 pass_expand_omp after pass_init_datastructures.
11413 * tree-ssa-operands.c (get_expr_operands): Handle
11414 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11415 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11417 2006-01-19 Jeff Law <law@redhat.com>
11419 * tree-vrp.c (extract_range_from_assert): Refine the result range
11420 if the variable referenced by the ASSERT_EXPR has a range and
11421 either the tentative result range or the previous range is a
11424 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11426 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11428 2006-01-19 Jan Hubicka <jh@suse.cz>
11430 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11432 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11434 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11435 (expand_compound_operation, expand_field_assignment): Fail if the
11436 bit lengths of an extract operation are out of range.
11437 (make_extraction): Compute wanted_inner_mode based on the position
11438 and length of the extraction. Make it extraction_mode for non-constant
11439 positions, and do not modify offset in that case. When generating a
11440 new MEM, use a mode that can hold the extraction while keeping correct
11441 alignment. Remove code that supported MEMs wrapped by USEs.
11442 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11444 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11446 * config/s390/s390.md ("Y", "y"): New mode attribute.
11447 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11448 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11449 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11450 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11451 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11452 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11453 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11454 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11455 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11456 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11457 "addsi3", "subsi3"): Insn patterns removed.
11458 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11459 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11460 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11461 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11462 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11463 "*sub<mode>3_cconly2"): New insn patterns.
11464 ("addsi3", "subsi3"): New expanders.
11466 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11468 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11469 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11470 existing STMT_VINFO_VECTYPE if available.
11471 (vect_mark_relevant): Add special handling for stmts that are
11472 marked as STMT_VINFO_IN_PATTERN_P.
11473 (vect_analyze_loop): Call vect_pattern_recog.
11474 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11475 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11477 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11478 (vect_recog_func_ptr): New function-pointer type.
11479 * tree-vect-patterns.c: New file.
11480 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11481 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11482 (vect_pattern_recog_1): New functions.
11483 (vect_pattern_recog_funcs): New array of function pointers.
11485 * tree-vectorizer.h (ternary_op): New enum value.
11486 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11487 declaration. Revised documentation. Removed redundant dump prints.
11488 Removed redundant argument. Added support for reduction patterns.
11489 (vectorizable_reduction): Added support for reduction patterns.
11490 (vect_transform_stmt): Added support for patterns.
11492 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11493 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11494 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11495 (expand_widen_pattern_expr): New function.
11496 (init_optabs): Initialize new optabs udot_prod_optab,
11498 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11499 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11500 (expand_widen_pattern_expr): New function declaration.
11501 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11503 * tree-inline.c (estimate_num_insns_1): Added cases for new
11504 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11505 * tree-pretty-print.c (dump_generic_node): Likewise.
11506 (op_prio): Likewise.
11507 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11508 * tree-ssa-operands.c (get_expr_operands): Added case for
11510 * tree-vect-patterns.c (widened_name_p): New function.
11511 (vect_recog_dot_prod_pattern): Added function implementation.
11512 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11513 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11514 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11515 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11517 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11518 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11519 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11520 (init_optabs): Initialize new optabs widen_ssum_optab,
11522 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11523 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11524 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11525 use instead of type of def.
11526 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11527 function implementation.
11528 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11529 widen_ssumv8hi): New.
11531 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11534 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11537 * c-decl.c (add_flexible_array_elts_to_size): New function.
11538 (finish_decl): Use it.
11540 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11542 * diagnostic.h: Include options.h.
11543 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11544 dependancies for diagnostic.h.
11545 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11547 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11549 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11550 (ssa_ro_call_cache_valid): Ditto.
11551 * tree-ssa-alias.c (sort_tags_by_id): New function.
11552 (init_transitive_clobber_worklist): Ditto.
11553 (add_to_worklist): Ditto.
11554 (mark_aliases_call_clobbered): Ditto.
11555 (compute_tag_properties): Ditto.
11556 (set_initial_properties): Ditto.
11557 (compute_call_clobbered): Ditto.
11558 (compute_may_aliases): Call compute_call_clobbered and grouping.
11559 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11560 (compute_flow_insensitive_aliasing): Grouping now happens in our
11562 (setup_pointers_and_addressables): Remove clobbering related code.
11563 (add_may_alias): Ditto.
11564 (replace_may_alias): Ditto.
11565 (get_nmt_for): Ditto.
11566 (create_global_var):
11567 (is_escape_site): Return an escape_type enumeration.
11568 * tree-flow-inline.h (is_call_clobbered): Global var does not
11569 imply call clobbered.
11570 (mark_call_clobbered): Take a reason for marking this. Remove
11571 marking of globalness, and cache invalidation.
11572 (clear_call_clobbered): Remove cache invalidation code.
11573 * tree-dfa.c (dump_variable): If details is on, dump the reason
11575 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11577 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11578 (struct var_ann_d): Ditto.
11579 (enum escape_type): New.
11580 (mark_call_clobbered): Adjust prototype.
11581 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11582 are never call clobbered.
11583 Record reasons for escaping.
11584 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11585 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11586 (ssa_ro_call_cache_valid): Ditto.
11587 (clobbered_v_may_defs): Ditto.
11588 (clobbered_vuses): Ditto.
11589 (ro_call_vuses): Ditto.
11590 (clobber_stats): New.
11591 (init_ssa_operands): Zero out clobber stats.
11592 (fini_ssa_operands): Print out clobber stats.
11593 (get_call_expr_operands): Pass callee fndecl to
11594 add_call_read_ops).
11595 (add_call_clobber_ops): Remove use of cache.
11596 Add use of PURE_CONST information.
11597 (add_call_read_ops): Remove use of cache.
11598 Add use of static not_read information.
11600 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11602 Introduce TLS descriptors for i386 and x86_64.
11603 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11604 (TARGET_ANY_GNU_TLS): New macro.
11605 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11606 (struct machine_function): Add tls_descriptor_call_expanded_p.
11607 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11608 (ix86_current_function_calls_tls_descriptor): Likewise.
11609 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11610 (override_options): Introduce gnu2 tls dialect.
11611 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11613 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11615 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11616 (ix86_init_machine_status): Initialize new field.
11617 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11618 (ix86_tls_module_base): New.
11619 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11620 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11621 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11622 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11623 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11624 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11625 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11626 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11627 * config/i386/predicates.md (tls_modbase_operand): New.
11628 (tp_or_register_operand): New.
11630 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11632 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11633 (look_for_address_of): Ditto.
11634 (ipa_init): Walk the function decls.
11635 (static_execute): Don't set readonly on FUNCTION_DECL's.
11637 2006-01-18 Roger Sayle <roger@eyesopen.com>
11639 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11640 for shifts where the source and destination registers are different.
11642 2006-01-18 Paul Brook <paul@codesourcery.com>
11644 Merge from csl-arm-branch.
11645 2005-03-14 Julian Brown <julian@codesourcery.com>
11646 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11647 (aeabi_llsl): Likewise.
11648 (ashrdi3): Likewise.
11649 (aeabi_lasr): Likewise.
11650 (lshrdi3): Likewise.
11651 (aeabi_llsr): Likewise.
11652 2005-03-10 Julian Brown <julian@codesourcery.com>
11653 * config.gcc: Disable shared libgcc for SymbianOS.
11654 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11656 2006-01-18 DJ Delorie <dj@redhat.com>
11658 * c-pragma.c (handle_pragma_diagnostic): New.
11659 (init_pragma): Register it.
11660 * doc/extend.texi: Document it.
11662 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11663 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11664 (diagnostic_context): Add classify_diagnostic[].
11665 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11666 as errors if they're overridden to DK_WARNING.
11667 (diagnostic_initialize): Initialize classify_diagnostic[].
11668 (diagnostic_set_kind_override): New.
11669 (diagnostic_report_diagnostic): Check for kind changes.
11670 * opts.c (common_handle_option): Take lang_mask. Update callers.
11671 Handle OPT_Werror_.
11672 * common.opt (Werror=): New.
11673 * doc/invoke.texi: Document -Werror=*
11675 2006-01-18 Jeff Law <law@redhat.com>
11677 * tree-vrp.c (test_for_singularity): Correct test for new
11678 min limit. Use operand_equal_p rather than pointer equality
11679 for testing if new min/max values are equal.
11681 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11682 using range information until after propagation and folding.
11684 2006-01-18 Richard Henderson <rth@redhat.com>
11685 Aldy Hernandez <aldyh@redhat.com>
11686 Jakub Jelinek <jakub@redhat.com>
11687 Diego Novillo <dnovillo@redhat.com>
11689 * omp-low.c: New file.
11690 * c-omp.c: New file.
11692 2006-01-18 Richard Henderson <rth@redhat.com>
11693 Jakub Jelinek <jakub@redhat.com>
11694 Diego Novillo <dnovillo@redhat.com>
11696 * doc/invoke.texi: Document -fopenmp.
11697 * tree-dump.h (debug_function): Declare.
11698 * hooks.c (hook_bool_tree_bool_false): New function.
11699 (hook_tree_tree_null): Remove.
11700 (hook_tree_tree_tree_null): New.
11701 * hooks.h: Update to match.
11702 * tree-pretty-print.c (debug_tree_chain): New.
11703 (print_generic_expr): Handle TDF_CHAIN.
11704 (dump_generic_node): Handle BLOCK.
11705 Do not abort with incomplete SWITCH_EXPRs.
11706 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11707 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11708 print space after directive name.
11709 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11710 Handle OMP_MASTER and OMP_ORDERED.
11711 Handle printing of OMP_BODY just in one place, goto
11712 dump_omp_body in the rest of OMP_* nodes that have
11714 Don't handle clause nodes here. Update omp statements to
11715 use dump_omp_clauses.
11716 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11717 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11718 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11719 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11720 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11721 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11722 Adjust output for GOMP_PARALLEL.
11723 (dump_omp_clauses): New.
11724 (print_declaration): Dump DECL_VALUE_EXPR.
11725 (op_symbol_1): Split out of op_symbol.
11726 (dumping_stmts): Remove. Update all users.
11727 * cgraph.c (cgraph_analyze_queue): New.
11728 (cgraph_add_new_function): New.
11729 * cgraph.h (cgraph_analyze_queue): Declare.
11730 (cgraph_add_new_function): Declare.
11731 (cgraph_lower_function): Remove.
11732 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11733 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11734 and TYPE_P nodes in its default clause.
11735 (empty_body_p): New.
11736 (tree_range_check_failed): New.
11737 (build5_stat): New.
11738 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11739 OMP_CLAUSE_REDUCTION_MERGE,
11740 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11741 OMP_CLAUSE_PRIVATE_DEBUG,
11742 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11743 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11744 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11745 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11746 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11747 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11748 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11749 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11750 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11751 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11752 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11753 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11754 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11755 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11756 (TREE_RANGE_CHECK): New.
11757 (empty_body_p): Declare.
11758 (enum omp_clause_default_kind): New.
11759 (build_string_literal): Declare.
11760 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11761 (build5_stat, build5): Declare.
11762 * tree-pass.h (TDF_CHAIN): Define.
11763 * tree-pass.h (PROP_gimple_lomp): Define.
11764 (pass_lower_omp): Declare.
11765 * diagnostic.h (debug_tree_chain): Declare.
11766 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11768 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11769 * builtins.c (build_string_literal): Make extern.
11770 * gcc.c (include_spec_function): New.
11771 (static_spec_functions): Add it.
11772 (main): Move load of libgomp.spec ...
11773 (LINK_COMMAND_SPEC): ... here.
11774 (link_gomp_spec): New.
11775 (static_specs): Include it.
11776 (LINK_COMMAND_SPEC): Add link_gomp.
11777 (GOMP_SELF_SPECS): New.
11778 (driver_self_specs): Include it.
11779 (switch_matches): Don't mark inline.
11780 (main): Load libgomp.spec.
11781 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11782 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11783 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11784 * tree-gimple.h (enum omp_parallel): Declare.
11785 (determine_parallel_type): Declare.
11786 (omp_firstprivatize_variable): Declare.
11787 (omp_reduction_init): Declare.
11788 (diagnose_omp_structured_block_errors): Declare.
11789 (struct walk_stmt_info): Add want_return_expr.
11790 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11791 (find_omp_clause): Declare.
11792 (insert_field_into_struct): Declare.
11793 (struct walk_stmt_info): Move from tree-nested.c
11794 (walk_stmts): Declare.
11795 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11797 * cgraphunit.c (cgraph_lower_function): Make static.
11798 (cgraph_finalize_pending_functions): New.
11799 (cgraph_finalize_function): Call it.
11800 (cgraph_finalize_compilation_unit): Likewise.
11801 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11802 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11803 (BT_FN_UINT_UINT): New.
11804 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11805 DEF_FUNCTION_TYPE_VAR_4): Document.
11806 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11807 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11808 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11809 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11810 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11811 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11812 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11813 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11814 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11815 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11816 into separate files.
11817 (DEF_GOMP_BUILTIN): New.
11818 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11819 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11820 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11821 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11822 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11823 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11824 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11825 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11826 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11827 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11828 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11829 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11830 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11831 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11832 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11833 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11834 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11835 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11836 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11837 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11838 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11839 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11840 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11841 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11842 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11843 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11844 * sync-builtins.def: New file, moved from builtins.def.
11845 * omp-builtins.def: New file, moved from builtins.def.
11846 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11847 * gimple-low.c (lower_function_body): Clear data.
11848 (lower_stmt): Do not handle COMPOUND_EXPR.
11849 Remove call to print_node_brief.
11850 * c-tree.h (c_finish_omp_clauses): New prototype.
11851 (C_DECL_THREADPRIVATE_P): Define.
11852 (lookup_name_no_remap, c_omp_remap_private): Remove
11853 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11854 (check_for_loop_decls): Update decl.
11855 (lookup_name_no_remap, c_omp_remap_private): Declare.
11856 (build_indirect_ref, build_modify_expr, pushdecl,
11857 pushdecl_top_level): Move to c-common.h.
11858 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11859 before the switch, but just in the 2 places that need it.
11860 * c-decl.c (diagnose_mismatched_decls): Do not check for
11861 mismatched thread-local attributes when OLDDECL is marked
11862 threadprivate and NEWDECL has no thread-local attributes.
11863 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11864 (c_gimple_diagnostics_recursively): Rename from
11865 c_warn_unused_result_recursively. Invoke
11866 diagnose_omp_structured_block_errors.
11867 (check_for_loop_decls): Return a singular decl found.
11868 * langhooks.c (lhd_omp_predetermined_sharing): Return
11869 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11870 (lhd_omp_firstprivatize_type_sizes): New.
11871 (lhd_omp_assignment): New.
11872 (lhd_omp_predetermined_sharing): New.
11873 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11874 (struct lang_hooks_for_types): Add
11875 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11876 omp_predetermined_sharing, omp_disregard_value_expr,
11877 omp_private_debug_clause, omp_clause_default_ctor,
11878 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11879 (c_finish_omp_clauses): New.
11880 (c_finish_bc_stmt): Diagnose break within omp for.
11881 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11882 (build_unary_op): Return error_mark after reporting
11884 (build_modify_expr): Likewise.
11885 * gimplify.c: Include optabs.h and pointer-set.h.
11886 (enum gimplify_omp_var_data): Declare.
11887 (struct gimplify_omp_ctx): Declare.
11888 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11890 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11891 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11892 (splay_tree_compare_decl_uid): New.
11893 (new_omp_context): New.
11894 (delete_omp_context): New.
11895 (gimple_add_tmp_var): Call omp_add_variable.
11896 (gimplify_bind_expr): Likewise.
11897 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11898 true, disregard DECL_VALUE_EXPR on the decl if any.
11899 (gimplify_expr_in_ctx): New.
11900 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11901 omp_add_variable, omp_notice_variable, omp_is_private
11902 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11903 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11904 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11905 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11906 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11907 gimplify_omp_atomic): New.
11908 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11909 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11910 OMP_CRITICAL and OMP_ATOMIC.
11911 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11912 * c-pragma.h (enum pragma_kind): Add
11913 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11914 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11915 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11916 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11917 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11918 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11919 PRAGMA_OMP_THREADPRIVATE.
11920 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11921 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11922 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11923 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11924 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11925 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11926 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11927 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11928 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11929 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11930 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11931 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11932 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11934 (struct nesting_info): Add field_map,
11935 suppress_expansion, debug_var_chain.
11936 (create_nesting_tree): Initialize them.
11937 (lookup_field_for_decl): Use field_map.
11938 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11939 (convert_local_omp_clauses): New.
11940 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11941 (walk_body): Split out of walk_function.
11942 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11943 (convert_nonlocal_reference): Handle omp statements.
11944 (convert_local_reference): Likewise.
11945 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11946 (unnest_nesting_tree): New.
11947 (lower_nested_functions): Call it.
11948 (insert_field_into_struct): Make extern.
11949 (struct walk_stmt_info): Move to tree-gimple.h.
11950 (walk_stmts): Make extern.
11951 * omp-builtins.def: New file.
11952 * tree-iterator.c (expr_only): Clarify comment.
11953 * c-common.h (pushdecl_top_level, pushdecl,
11954 build_modify_expr, build_indirect_ref,
11955 c_finish_omp_master, c_finish_omp_critical,
11956 c_finish_omp_ordered, c_finish_omp_barrier,
11957 c_finish_omp_atomic, c_finish_omp_flush,
11958 c_finish_omp_for, c_split_parallel_clauses,
11959 omp_clause_default_kind, c_omp_sharing_predetermined,
11960 c_omp_remap_decl): Declare.
11961 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11962 (OBJS-common): Add omp-low.o.
11963 (c-omp.o, omp-low.o): Add.
11964 (gimplify.o): Add dependency on $(OPTABS_H).
11965 (GTFILES): Add omp-low.c.
11966 (gt-stringpool.h): Add.
11967 * tree-cfg.c (set_bb_for_stmt): Do not update the
11968 block-to-labels map if we are currently expanding to RTL.
11969 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11971 Handle IDENTIFIER_NODE.
11972 (tree_verify_flow_info): Do not ICE when emitting error
11973 messages about invalid labels.
11974 (dump_function_to_file): Reset CFUN before emitting the body
11976 (debug_function): New.
11977 * passes.c (init_optimization_passes): Schedule
11979 * langhooks-def.h (lhd_omp_predetermined_sharing,
11980 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11982 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11983 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11984 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11985 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11986 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11987 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11988 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11989 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11990 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11991 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11992 (LANG_HOOK_DECLS): Use them.
11994 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11995 Richard Henderson <rth@redhat.com>
11996 Jakub Jelinek <jakub@redhat.com>
11997 Diego Novillo <dnovillo@redhat.com>
11999 * c-parser.c (pragma_omp_clause): Define.
12000 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12001 (c_parser_compound_statement): Likewise.
12002 (c_parser_statement): Likewise.
12003 (c_parser_pragma): Handle omp pragmas.
12004 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12005 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12006 (c_parser_omp_clause_name, check_no_duplicate_clause,
12007 c_parser_omp_variable_list,
12008 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12009 c_parser_omp_clause_copyprivate,
12010 c_parser_omp_clause_default,
12011 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12012 c_parser_omp_clause_lastprivate,
12013 c_parser_omp_clause_nowait,
12014 c_parser_omp_clause_num_threads,
12015 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12016 c_parser_omp_clause_reduction,
12017 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12018 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12019 c_parser_omp_atomic, c_parser_omp_barrier,
12020 c_parser_omp_critical, c_parser_omp_flush,
12021 c_parser_omp_for_loop, c_parser_omp_for,
12022 c_parser_omp_master, c_parser_omp_ordered,
12023 c_parser_omp_sections_scope, c_parser_omp_sections,
12024 c_parser_omp_parallel, c_parser_omp_single,
12025 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12026 * c-pragma.c (init_pragma): Do omp pragma registration here.
12027 * c.opt (fopenmp): New flag.
12029 2006-01-18 Eric Christopher <echristo@apple.com>
12031 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12032 * config/darwin.h (GOMP_SELF_SPECS): Define.
12034 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12036 * rtl.h: Remove the prototype for reg_alloc.
12038 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12041 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12042 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12043 sjlj and dwarf2 exception handling.
12044 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12045 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12046 * pa/pa.c (function_value): Treat complex and vector types as
12048 (function_arg): Likewise. Only pass scalar floats in the floating
12049 point argument registers.
12050 * pa/t-slibgcc-dwarf-ver: New file.
12051 * pa/t-slibgcc-sjlj-ver: New file.
12052 * pa/t-slibgcc-elf-ver: Delete file.
12054 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12056 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12057 unlikely_test_section_p test.
12059 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12061 * mode-switching.c (optimize_mode_switching): Make it static.
12062 * basic-block.h: Remove the prototype for
12063 optimize_mode_switching.
12065 * modulo-sched.c (sms_schedule): Make it static.
12066 * rtl.h: Remove the prototype for sms_schedule.
12068 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12069 * rtl.h: Remove the prototype for gcse_after_reload_main.
12071 * reg-stack.c (reg_to_stack): Make it static.
12072 * rtl.h: Remove the prototype for reg_to_stack.
12074 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12076 * rtl.h: Remove the prototypes for regrename_optimize and
12077 copyprop_hardreg_forward.
12079 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12081 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12082 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12083 Test against the appropriate null constant for the mode.
12084 If 'fixup_overlap' is true, swap the operands if they overlap.
12085 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12086 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12087 alpha_split_tmode_pair and adjust for above change.
12088 * config/alpha/alpha.md (movtf_internal): Adjust call to
12089 alpha_split_tfmode_pair and rely on it to swap the operands.
12090 (movti_internal): New insn and post-reload splitter.
12091 (movti): New expander.
12093 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12095 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12098 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12100 * rtlanal.c (global_reg_mentioned_p_1,
12101 global_reg_mentioned_p): Remove.
12102 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12104 * flow.c (initialize_uninitialized_subregs): Make it static.
12105 * rtl.h: Remove the prototype for
12106 initialize_uninitialized_subregs.
12108 * function.c (instantiate_virtual_regs): Make it static.
12109 * function.h: Remove the prototype for
12110 instantiate_virtual_regs.
12112 * regmove.c (regmove_optimize, combine_stack_adjustments):
12114 * rtl.h: Remove the prototypes for regmove_optimize and
12115 combine_stack_adjustments.
12117 2006-01-17 Roger Sayle <roger@eyesopen.com>
12119 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12120 (size_cost): Encode costs in bytes so that a reg-reg addition is
12121 equivalent to COSTS_N_INSNS(1).
12122 (override_options): Use the size_cost.branch_cost as the default
12123 ix86_branch_cost when optimizing for size.
12125 2006-01-18 Ben Elliston <bje@au.ibm.com>
12127 * Makefile.in (D32PBIT_FUNCS): New.
12128 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12129 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12130 D64PBIT_FUNCS and D128PBIT_FUNCS.
12131 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12132 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12134 (decnumber_dep): Define.
12135 * doc/libgcc.texi (Decimal float library routines): New node.
12136 * config/dfp-bit.h, config/dfp-bit.c: New files.
12138 2006-01-18 Ben Elliston <bje@au.ibm.com>
12140 * expr.c (emit_move_change_mode): Always adjust addresses, not
12141 just during reload. Copy replacements only during reload.
12142 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12143 emit_move_via_integer.
12145 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12147 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12148 instead of $(srcdir) and ${srcdir}.
12150 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12153 PR middle-end/11135
12154 * arm.h (struct machine_function): Add pic_reg.
12155 * arm.c (arm_pic_register): Make unsigned.
12156 (arm_override_options): Only set arm_pic_register if
12157 TARGET_SINGLE_PIC_BASE.
12158 (use_return_insn): Only test for a pic register if it is fixed.
12159 (arm_compute_save_reg0_reg12_mask): Likewise.
12160 (thumb_compute_save_reg_mask): Likewise.
12161 (legitimate_pic_operand): Factor out some known invariants.
12162 (legitimize_pic_address): If we don't have a fixed pic register,
12163 then set up a pseudo in the function entry sequence. Handle the
12164 pic base being in a pseudo.
12165 (arm_load_pic_register): Handle the pic register being in a pseudo.
12166 (arm_expand_prologue): Only set up the pic register if it is fixed.
12167 (thumb_expand_prologue): Likewise.
12168 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12169 (pic_load_addr_based_insn): Likewise.
12170 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12173 2006-01-18 Ben Elliston <bje@au.ibm.com>
12175 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12176 decimal float modes for all floating point registers.
12178 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12179 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12181 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12184 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12185 even when the pointer is not NULL.
12187 2006-01-16 Ian Lance Taylor <ian@airs.com>
12189 * common.opt (ftoplevel-reorder): New option.
12190 * cgraph.c (cgraph_asm_nodes): New global variable.
12191 (cgraph_asm_last_node): New static variable.
12192 (cgraph_order): New global variable.
12193 (cgraph_create_node): Set new order field.
12194 (cgraph_varpool_node): Likewise.
12195 (decide_is_variable_needed): Return true if not
12196 flag_toplevel_reorder.
12197 (cgraph_add_asm_node): New function.
12198 * cgraph.h (struct cgraph_node): Add order field.
12199 (struct cgraph_varpool_node): Add order field.
12200 (struct cgraph_asm_node): Define.
12201 (cgraph_asm_nodes, cgraph_order): Declare.
12202 (cgraph_add_asm_node): Declare.
12203 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12205 (cgraph_varpool_assemble_pending_decls): Call it.
12206 (cgraph_output_pending_asms): New static function.
12207 (cgraph_finalize_compilation_unit): Call it.
12208 (struct cgraph_order_sort): Define.
12209 (cgraph_output_in_order): New static function.
12210 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12211 !flag_toplevel_reorder case.
12212 * c-parser.c: Include "cgraph.h".
12213 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12215 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12216 than -fno-unit-at-a-time.
12217 * doc/invoke.texi (Option Summary): Mention
12218 -fno-toplevel-reorder.
12219 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12220 -funit-at-a-time documentation.
12222 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12223 Kazu Hirata <kazu@codesourcery.com>
12225 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12227 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12229 * Makefile.in (FUNCTION_H): New. Use it instead of
12230 function.h throughout the file.
12231 * function.h: Include tree.h.
12233 2006-01-17 Ben Elliston <bje@au.ibm.com>
12235 * recog.c: Separate some functions with whitespace.
12237 2006-01-16 Richard Henderson <rth@redhat.com>
12239 Merge from gomp branch:
12240 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12241 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12242 and rename from struct inline_data. Rename callee* to dst*;
12243 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12244 transform_new_cfg, transform_return_to_modify, and
12245 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12247 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12248 (copy_decl_for_dup): Remove.
12249 * tree-inline.c (struct inline_data): Move to header.
12250 (insert_decl_map): Export.
12251 (remap_decl): Update for member name changes. Use copy_decl hook.
12252 Allow for replacement to be a non-decl. Remove dead code.
12253 (remap_type_1): Check for existing mapping.
12254 (remap_type): Export.
12255 (remap_decls): Update for member name changes.
12256 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12257 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12258 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12259 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12260 (tree_function_versioning, build_duplicate_type): Likewise.
12261 (copy_body_r): Likewise. Export.
12262 (copy_decl_for_dup): Split into ...
12263 (copy_decl_for_dup_finish, copy_decl_to_var,
12264 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12265 (replace_ref_tree, inlining_p): Remove.
12267 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12269 * ifcvt.c (if_convert): Make it static.
12270 * rtl.h: Remove the prototype for if_convert.
12272 * local-alloc.c (local_alloc): Make it static.
12273 * rtl.h: Remove the prototype for local_alloc.
12275 * loop.c (loop_optimize): Make it static.
12276 * cfgloop.h: Remove the prototype for loop_optimize.
12279 2006-01-16 DJ Delorie <dj@redhat.com>
12281 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12284 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12286 * pa.md: Disparage copies between general and floating-point registers
12287 in 32-bit move patterns.
12289 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12292 * Makefile.in (check-%): Depend on site.exp instead of
12293 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12296 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12298 * global.c (global_alloc): Make it static.
12299 * rtl.h: Remove the prototype for global_alloc.
12301 2006-01-16 Richard Guenther <rguenther@suse.de>
12303 * tree-ssa-alias.c (struct used_part): Add write_only field.
12304 (get_or_create_used_part_for): Initialize it to true.
12305 (create_overlap_variables_for): Don't create structure variables
12306 for structures that only are written to.
12307 (find_used_portions): Handle MODIFY_EXPR to track whether a
12308 structure is only written to.
12310 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12312 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12314 * basic-block.h: Remove the prototype for
12315 partition_hot_cold_basic_blocks.
12317 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12319 * cppspec.c (lang_specific_spec_functions): Remove.
12320 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12321 * gcc.h (lang_specific_spec_functions): Remove.
12322 * gccspec.c (lang_specific_spec_functions): Remove.
12324 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12326 * combine.c (record_value_for_reg): Invalidate registers
12328 (record_dead_and_set_regs_1): Likewise, by passing them to
12329 record_value_for_reg.
12330 (record_dead_and_set_regs): Invalidate stores made by a
12331 call. We do not combine across a call, but we still
12332 relied on equivalences.
12334 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12336 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12337 vrp_int_const_binop returning non-constant nodes.
12339 2006-01-16 Paul Brook <paul@codesourcery.com>
12341 * config/m68k/m68k.c (output_move_const_into_data_reg):
12342 Output correct mnemonic for mvz and mvs.
12344 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12346 * rtl-factoring.c: Add sequence abstraction algorithm.
12347 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12348 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12350 (block_has_preserve_label): New function.
12351 * common.opt: Register new pass.
12352 * Makefile.in: Ditto.
12354 * timevar.def: Ditto.
12355 * tree-pass.h: Ditto.
12356 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12357 * rtl.h (make_jump_insn_raw): Add forward decl.
12358 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12360 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12361 Roger Sayle <roger@eyesopen.com>
12363 * fold-const.c (fold_minmax): New static function.
12364 (fold_binary) <MIN_EXPR>: Call it.
12365 <MAX_EXPR>: Likewise.
12366 * stor-layout.c (place_field): Use DECL_SIZE consistently
12367 in the computation of the new record size.
12369 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12371 * cse.c (cse_condition_code_reg): Make it static.
12372 * rtl.h: Remove the prototype for cse_condition_code_reg.
12374 * combine.c (combine_instructions): Make it static.
12375 * rtl.h: Remove the prototype for combine_instructions.
12377 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12380 * tree.c (get_file_function_name_long): Concatenate the first global
12381 object name with a string derived from the input filename of the object
12384 2006-01-16 Ben Elliston <bje@au.ibm.com>
12386 * config/i386/winnt-stubs.c: Update FSF address.
12387 * config/xtensa/ieee754-df.S: Ditto.
12388 * config/xtensa/ieee754-sf.S: Ditto.
12390 2006-01-14 Ian Lance Taylor <ian@airs.com>
12392 * ifcvt.c (noce_init_if_info): New static function, broken out of
12393 noce_process_if_block.
12394 (noce_process_if_block): Call noce_init_if_info.
12395 (check_cond_move_block): New static function.
12396 (cond_move_process_if_block): New static function.
12397 (process_if_block): Call cond_move_process_if_block.
12399 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12401 * cselib.c (hash_table): Rename to cselib_hash_table.
12402 (cselib_clear_table, discard_useless_values,
12403 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12404 cselib_init, cselib_finish): Adjust uses of hash_table.
12406 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12408 PR tree-optimization/25485
12409 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12410 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12411 is known to be false and true, respectively.
12413 2006-01-14 Richard Guenther <rguenther@suse.de>
12415 PR tree-optimization/22548
12416 PR tree-optimization/22555
12417 PR tree-optimization/22501
12418 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12419 * params.def (salias-max-array-elements): New parameter.
12420 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12421 * doc/invoke.texi (salias-max-array-elements): Document.
12422 * tree-flow-inline.h (var_can_have_subvars): We also handle
12424 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12426 * tree-ssa-structalias.c (params.h): Include.
12427 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12428 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12429 (get_constraint_for): For ADDR_EXPR operating on something
12430 containing an ARRAY_REF, add all subvars to the solution.
12431 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12432 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12433 for creating MUST_DEFs.
12434 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12436 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12438 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12440 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12441 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12442 number_of_iterations_le): New functions.
12443 (number_of_iterations_special): Removed.
12444 (number_of_iterations_exit): Do not use number_of_iterations_special.
12445 * tree.c (unsigned_type_for): Always return integer type.
12447 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12448 Richard Guenther <rguenther@suse.de>
12450 PR rtl-optimization/24257
12451 * gcse.c (find_moveable_store): Only consider a store movable
12452 when the SET_SRC of the insn can be assigned to a register.
12454 2006-01-14 Ian Lance Taylor <ian@airs.com>
12456 * tree.c (tree_not_class_check_failed): New function.
12457 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12458 (tree_not_class_check_failed): Declare.
12460 2006-01-13 Ian Lance Taylor <ian@airs.com>
12462 * reload1.c (do_output_reload): Add assertion rejecting a
12465 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12467 * combine.c (struct reg_stat): Add new fields truncation_label and
12469 (record_value_for_reg): Reset truncated_to_mode.
12470 (record_truncated_value): New function.
12471 (check_promoted_subreg): Call it. Rename to check_conversions.
12472 (combine_instructions): Rename check_promoted_subreg to
12474 (reg_truncated_to_mode): New function.
12475 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12476 (gen_lowpart_or_truncate): New function.
12477 (force_to_mode): Use it instead of gen_lowpart.
12479 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12481 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12482 VAR is a tag, not its type tag.
12484 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12486 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12487 alternatives to match style of other entries.
12488 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12490 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12492 PR tree-optimization/25771
12493 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12496 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12499 * tree-inline.c (declare_return_variable): If the return variable
12500 was marked as a non gimple complex, set the return slot variable
12501 to be a non gimple comple variable.
12503 2006-01-13 Richard Guenther <rguenther@suse.de>
12505 * builtins.c (expand_builtin_sincos): New function.
12506 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12508 (expand_builtin): Expand sincos using expand_builtin_sincos.
12510 2006-01-12 DJ Delorie <dj@redhat.com>
12512 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12513 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12514 so that constant shifts can be split.
12515 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12516 (m32c_valid_pointer_mode): Make static.
12517 (shift_gen_func_for): New.
12518 (m32c_prepare_shift): Use it. Split large const shifts into
12520 * config/m32c/predicates.md (shiftcount_operand): Allow more
12522 (longshiftcount_operand): New.
12523 * doc/md.texi (Machine Constraints): Document In6.
12525 2006-01-13 Ben Elliston <bje@au.ibm.com>
12527 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12528 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12531 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12533 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12534 to try to avoid clobbering pieces of structures when we know
12535 something about the whole structure.
12536 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12538 2006-01-13 Ben Elliston <bje@au.ibm.com>
12540 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12541 return in memory, as this is no limitation is no longer present.
12543 2006-01-12 DJ Delorie <dj@redhat.com>
12545 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12546 mova with fb, and for fb+0 -> An.
12548 * config/m32c/mov.md (peephole2): Fix enabling logic.
12550 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12551 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12552 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12553 FINI_ARRAY_SECTION_ASM_OP): Define.
12555 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12557 (m32c_legitimize_reload_address): New logic to reload FB to An.
12558 (m32c_output_reg_push): Add newline.
12559 (m32c_output_reg_pop): Likewise.
12561 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12563 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12565 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12567 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12569 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12571 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12574 2006-01-11 Ben Elliston <bje@au.ibm.com>
12576 * rtlanal.c (find_reg_note): Assert insn is not null.
12578 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12580 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12583 2006-01-11 Jeff Law <law@redhat.com>
12585 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12587 (mark_threaded_blocks, register_jump_thread): New functions.
12588 (thread_through_all_blocks): Remove unwanted argument. No
12589 longer rely on e->aux to communicate thread target info.
12590 Call mark_threaded_blocks. Release the threaded_blocks
12591 bitmap and threaded_edges vector when complete.
12592 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12593 (threaded_blocks): Remove.
12594 (tree_ssa_dominator_optimize): Remove initialization and
12595 finalization of threaded_blocks. Simplify call to
12596 thread_through_all_blocks.
12597 (thread_across_edge): Call register_jump_thread rather than
12598 storing thread information into e->aux.
12599 (free_all_edge_infos): Simplify now that e->aux is no longer
12600 used to communicate with thread_through_all_blocks.
12601 * tree-flow.h (thread_through_all_blocks): Update prototype.
12602 (register_jump_thread): Prototype.
12604 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12606 * df-core.c (df_compact_blocks, df_bb_replace): Use
12607 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12609 2006-01-11 Richard Guenther <rguenther@suse.de>
12611 PR tree-optimization/25734
12612 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12613 stop propagation after successful propagation to the LHS.
12615 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12617 * basic-block.h (control_flow_graph): Change the type of
12618 x_basic_block_info to VEC(basic_block,gc) *.
12619 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12621 (SET_BASIC_BLOCK): New.
12622 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12623 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12624 * cfgbuild.c (find_basic_blocks): Likewise.
12625 * cfglayout.c (fixup_reorder_chain): Likewise.
12626 * cfgrtl.c (create_basic_block_structure,
12627 rtl_create_basic_block): Likewise.
12628 * ifcvt.c (find_if_case_1): Likewise.
12629 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12632 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12634 * Makefile.in: Removed rotted odf.c entry.
12636 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12639 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12640 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12641 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12642 output pattern modifier, not %e.
12643 * config/cris/cris.c (cris_op_str): Update comment about pattern
12645 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12646 before falling through into...
12647 <case 'E'>: Redefined from old 'e' case.
12649 2006-01-11 Jan Hubicka <jh@suse.cz>
12652 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12654 2006-01-11 Jan Hubicka <jh@suse.cz>
12656 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12657 * i386.c (x86_decompose_lea): Kill.
12658 (ix86_rtx_costs): Kill.
12660 2006-01-11 Jan Hubicka <jh@suse.cz>
12662 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12663 * cgraph.h (cgraph_node): Add inline_decl.
12664 (cgraph_insert_node_to_hashtable): Declare.
12665 (save_inline_function_body): Declare.
12666 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12668 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12669 (cgraph_function_versioning): Update call of tree_function_versioning.
12670 (save_inline_function_body): New function.
12671 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12672 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12673 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12674 (cgraph_default_inline_p): Likewise.
12675 (cgraph_decide_inlining_incrementally): Likewise.
12676 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12677 (copy_bb): Kill saving; do updating of clones.
12678 (copy_cfg_body): Kill saving.
12679 (initialize_inlined-parameters): Likewise.
12680 (expand_call_inline): Likewise.
12682 (tree_function_versioning): New parameter "update_clones".
12683 (inlining_p): Kill saving.
12684 * tree-inline.h (tree_function_versioning): Update prototype.
12685 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12688 2006-01-11 Ian Lance Taylor <ian@airs.com>
12690 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12691 Allow undoing set of machine mode.
12692 (do_SUBST): Use enums instead of is_int.
12693 (do_SUBST_MODE): New function.
12694 (SUBST_MODE): New macro.
12695 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12696 reg and trying to replace reg_regno_rtx with a new register.
12697 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12698 (simplify_set): Use SUBST_MODE.
12699 (distribute_notes): Remove code that tried to update reg notes
12700 for regno_reg_rtx changes.
12702 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12704 PR tree-optimization/23109
12705 PR tree-optimization/23948
12706 PR tree-optimization/24123
12708 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12709 * tree-cfg.c (single_noncomplex_succ): New.
12710 * tree-flow.h (single_noncomplex_succ): Declare it.
12711 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12712 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12713 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12714 insert_bb, register_division_in, insert_reciprocals,
12715 replace_reciprocal, free_bb): New.
12716 (execute_cse_reciprocals_1): Rewritten.
12717 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12718 Do not commit any edge insertion. Always compute dominators and
12719 create the allocation pool.
12720 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12721 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12722 * targhooks.c (default_min_divistions_for_recip_mul): New.
12723 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12724 * passes.c (init_optimization_passes): Run recip after tree loop
12726 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12728 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12729 Kenneth Zadeck <zadeck@naturalbridge.com>
12731 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12732 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12733 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12734 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12735 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12736 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12737 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12738 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12739 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12740 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12741 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12742 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12743 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12744 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12745 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12746 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12747 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12748 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12749 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12750 DF_SCAN_POST_ALLOC): New macros.
12751 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12752 df_free_bb_function, df_local_compute_function, df_init_function,
12753 df_dataflow_function, df_confluence_function_0,
12754 df_confluence_function_n, df_transfer_function,
12755 df_finalizer_function, df_free_function, df_dump_problem_function,
12756 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12757 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12758 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12759 df_urec_bb_info, ) New types.
12760 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12762 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12763 df_analyze_simple_change_some_blocks,
12764 df_analyze_simple_change_one_block, df_compact_blocks,
12765 df_bb_replace, df_bb_regno_last_use_find,
12766 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12767 df_insn_regno_def_p, df_find_def, df_find_use,
12768 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12769 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12770 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12771 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12772 debug_df_chain, df_get_dependent_problem, df_chain_create,
12773 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12774 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12775 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12776 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12777 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12778 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12779 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12780 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12781 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12782 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12783 df_reorganize_refs, df_set_state, df_hard_reg_init,
12784 df_read_modify_subreg_p) New public functions.
12785 * df-core.c: The core dataflow solver and glue routines for rtl
12787 (df_init, df_add_problem, df_set_blocks, df_finish,
12788 df_hybrid_search_forward, df_hybrid_search_backward,
12789 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12790 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12791 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12792 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12793 df_reg_defined, df_find_use, df_reg_used, df_dump,
12794 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12795 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12796 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12797 debug_df_useno, reset_df_after_reload): New functions.
12798 * df-scan.c: The scanning fuctions, once in df.c, completely
12799 rewritten so that they now fully model the functionality of
12800 register usage at the backend.
12801 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12802 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12803 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12804 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12805 df_get_artificial_defs, df_get_artificial_uses,
12806 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12807 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12808 df_refs_delete, df_reorganize_refs, df_set_state,
12809 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12810 df_def_record_1, df_defs_record, df_uses_record,
12811 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12812 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12813 df_record_exit_block_uses, df_hard_reg_init): New functions.
12815 * df-problems.c: Seven concrete dataflow problems that use the
12816 scanning in df-scan.c and are solved by the engine in df-core.c.
12817 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12818 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12819 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12820 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12821 df_ru_free_bb_info, df_ru_alloc,
12822 df_ru_bb_local_compute_process_def,
12823 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12824 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12825 df_ru_transfer_function, df_ru_free, df_ru_dump,
12826 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12827 df_rd_free_bb_info, df_rd_alloc,
12828 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12829 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12830 df_rd_transfer_function, df_rd_free, df_rd_dump,
12831 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12832 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12833 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12834 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12835 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12836 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12837 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12838 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12839 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12840 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12841 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12842 df_urec_mark_reg_use_for_earlyclobber,
12843 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12844 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12845 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12846 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12847 df_chain_create_bb_process_use, df_chain_create_bb,
12848 df_chain_finalize, df_chain_free, df_chains_dump,
12849 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12850 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12851 df_reg_lifetime): New functions.
12852 * df.c: Deleted file.
12853 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12854 consistent with new df api.
12855 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12856 rest_of_handle_sms): Ditto.
12857 * web.c (unionfind_union, union_defs, entry_register, web_main):
12859 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12860 invariant_expr_equal_p, find_defs, check_dependencies,
12861 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12862 free_inv_motion_data, move_loop_invariants): Ditto.
12863 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12864 Update dependencies.
12865 (odf.c): Added defective entry that was deleted later in day.
12866 * sched-deps.c (sched_analyze_1): Ditto.
12868 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12870 * tree-ssa-operands.c (get_expr_operands): Record addressable
12871 variables directly. Do not call add_stmt_operands for CONST_DECLs
12873 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12874 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12876 2006-01-11 Ben Elliston <bje@au.ibm.com>
12878 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12879 function returns true in the positive case.
12881 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12884 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12885 for SI, DI, SF and DF modes. Add alternatives to copy between
12886 general and floating point registers to the 32-bit patterns.
12887 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12888 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12889 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12890 generating 64-bit code.
12891 * config/pa/pa.c (output_move_double): Handle copies between general
12892 and floating registers.
12894 2006-01-10 Stuart Hastings <stuart@apple.com>
12896 * config/i386/i386.md (set_got): Update.
12897 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12898 (builtin_setjmp_receiver): Mach-O support.
12899 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12900 (GOT_SYMBOL_NAME): Define.
12901 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12902 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12903 * config/i386/i386.c (override_options): Revise for Darwin.
12904 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12905 support. (darwin_x86_file_end): New. (output_set_got): Add label
12906 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12907 * config/i386/i386-protos.h (output_set_got): Likewise.
12908 * config/darwin.c (machopic_legitimize_pic_address): Update
12911 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12913 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12914 when MODE isn't BLKmode.
12916 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12918 PR rtl-optimization/25367
12919 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12921 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12924 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12925 for a negative bound.
12927 2006-01-10 Richard Guenther <rguenther@suse.de>
12929 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12930 Never override with anything constraint.
12932 2006-01-10 Jan Beulich <jbeulich@novell.com>
12934 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12935 256 bits when optimize_size.
12937 2006-01-10 Jan Beulich <jbeulich@novell.com>
12939 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12941 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12942 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12945 2006-01-10 Ben Elliston <bje@au.ibm.com>
12947 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12949 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12950 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12951 (USE_FP_FOR_ARG): Reject decimal float modes.
12952 (function_arg_advance): Likewise.
12953 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12954 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12955 point types in AltiVec vectors.
12956 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12957 (rs6000_libcall_value): Likewise.
12959 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12961 * config/xtensa/ieee754-df.S: New file.
12962 * config/xtensa/ieee754-sf.S: New file.
12963 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12964 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12965 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12967 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12969 * config/sh/predicates.md (binary_float_operator,
12970 binary_logical_operator, commutative_float_operator,
12971 equality_comparison_operator, greater_comparison_operator,
12972 less_comparison_operator, logical_operator,
12973 noncommutative_float_operator, shift_operator,
12974 symbol_ref_operand, unary_float_operator): Remove redundant
12977 2006-01-09 Jeff Law <law@redhat.com>
12979 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12980 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12981 now unused arguments. Callers updated.
12982 (eliminate_redundant_computations): Remove now unused arguments,
12984 (local_fold): Remove, no longer used.
12985 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12987 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12988 (simplify_cond): New function.
12989 (forward_propagate_into_cond): Call simplify_cond.
12991 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12993 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12994 (*vec_extractv2di_1_sse): New.
12996 2006-01-09 Ben Elliston <bje@au.ibm.com>
12998 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13000 2006-01-08 Richard Guenther <rguenther@suse.de>
13002 * tree-ssa-structalias.c (get_constraint_for): Remove
13003 anyoffset argument.
13004 (get_constraint_for_component_ref): Likewise.
13005 (do_deref): Likewise.
13006 (get_constraint_for): Likewise.
13007 (do_structure_copy): Likewise.
13008 (handle_ptr_arith): Likewise.
13009 (find_func_aliases): Likewise. Remove unused need_anyoffset
13012 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13013 Kaz Kojima <kkojima@gcc.gnu.org>
13015 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13016 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13017 (EXTRA_CONSTRAINT_C16): Remove.
13018 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13019 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13020 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13021 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13022 constants of SHmedia. Handle nested constant expressions of
13024 (andcosts): Fix the costs for SHmedia constants.
13025 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13026 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13027 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13028 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13029 (movv4hi_i, movv2si_i): Likewise.
13030 (movsi_const): Adjust the second operand of ior so to match with
13031 the Csu constraint.
13032 (movdi_const, movdi_const_32bit): Likewise.
13033 (movdi_const_16bit+1): Don't sign-extend LOW.
13034 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13036 (*double_shori): Fix the split condition. Use GEN_INT instead
13037 of get_int_mode calls. Mask lower 16-bit of the argument of
13039 (sym2GOTPLT): Remove.
13040 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13042 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13043 instead of EXTRA_CONSTRAINT_C16.
13045 2006-01-07 Ian Lance Taylor <ian@airs.com>
13046 David Edelsohn <edelsohn@gnu.org>
13048 PR rtl-optimization/25662
13049 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13050 for constant operands instead of simplify_gen_binary.
13051 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13052 after trying simplify_binary_operation
13054 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13056 * tree.c (iterative_hash_expr): Hash decls based on UID.
13058 2006-01-06 Eric Christopher <echristo@apple.com>
13060 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13061 (TARGET_UNWIND_EMIT): Fix spelling.
13062 * target.h (gcc_target): Add except_table_label.
13063 * except.c (output_function_exception_table): Use.
13064 * varasm.c (default_emit_except_table_label): New.
13065 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13067 (asm_out): Add here.
13068 * output.h (default_emit_except_table_label): Prototype.
13069 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13070 * config/darwin.c (darwin_emit_except_table_label): Define.
13071 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13073 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13075 PR tree-optimization/18527
13076 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13077 number_of_iterations_special, number_of_iterations_exit):
13078 Move base and step of an iv to a single structure. Add
13079 no_overflow flag, and use it in # of iterations analysis.
13080 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13081 folded_casts argument.
13082 (simple_iv): Pass base and step in a structure. Set no_overflow
13084 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13085 Evaluate expensiveness of computing # of iterations instead of
13086 the final expression.
13087 * tree-scalar-evolution.h (affine_iv): New structure.
13088 (simple_iv): Declaration changed.
13089 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13090 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13091 find_givs_in_stmt): Changed due to simple_iv change.
13093 2006-01-06 Jeff Law <law@redhat.com>
13096 * tree-cfg.c (bsi_replace): Rename final argument from
13097 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13098 change (stmt -> orig_stmt).
13099 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13100 (bsi_remove): Add new argument. Remove EH information
13102 (verify_eh_throw_table_statements): New function.
13103 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13105 * tree-optimize.c (execute_free_cfg_annotations): Verify
13106 the EH throw statement table after removing annotations.
13107 * except.h (verify_eh_throw_table_statements): Prototype.
13108 * tree-flow.h (bsi_remove): Update prototype.
13109 * tree-vrp.c (remove_range_assertions): Add new argument to
13111 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13112 * tree-complex.c (expand_complex_div_wide): Likewise.
13113 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13114 * tree-tailcall.c (eliminate_tailcall): Likewise.
13115 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13116 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13117 * tree-nrv.c (tree_nrv): Likewise.
13118 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13119 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13120 (combine_blocks): Likewise.
13121 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13122 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13123 (cleanup_control_flow): Likewise.
13124 (remove_forwarder_block): Likewise.
13125 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13126 * tree-sra.c (sra_replace): Likewise.
13127 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13128 (forward_propagate_single_use_vars): Likewise.
13129 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13130 * tree-inline.c (expand_call_inline): Likewise.
13131 * tree-vect-transform.c (vect_transform_loop): Likewise.
13132 * tree-outof-ssa.c (rewrite_trees): Likewise.
13133 * tree-cfg.c (make_goto_expr_edges): Likewise.
13134 (cleanup_dead_labels): Likewise.
13135 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13136 (bsi_move_before, bsi_move_after): Likewise.
13137 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13138 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13140 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13143 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13145 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13146 on non gimple variables. Also add checks at the top for decls and
13148 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13150 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13151 and IMAGPART_EXPR for creating MUST_DEFs.
13152 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13153 and NAME_MEMORY_TAG separately from the DECLs.
13155 2006-01-06 Richard Guenther <rguenther@suse.de>
13157 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13158 annotation, if necessary.
13159 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13160 redundant calls to update_stmt.
13161 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13164 2006-01-05 Richard Henderson <rth@redhat.com>
13166 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13168 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13170 * c-typeck.c: Update copyright date.
13172 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13174 * c-typeck.c (build_c_cast): Always warn when casting
13175 from a pointer to an integer of different size, even if
13176 the node was constant.
13178 2006-01-05 Richard Guenther <rguenther@suse.de>
13180 PR tree-optimization/22555
13181 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13182 if one structure field is an array.
13183 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13184 operands even if we found a subvar, but ignore VOPs in this
13186 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13188 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13190 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13192 PR middle-end/24998
13193 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13195 2006-01-05 Richard Guenther <rguenther@suse.de>
13196 Diego Novillo <dnovillo@redhat.com>
13198 * tree-pass.h (TODO_remove_unused_locals): Define.
13199 * gimple-low.c (expand_var_p, remove_useless_vars,
13200 pass_remove_useless_vars): Remove. Update all users.
13201 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13202 (remove_unused_locals): New function.
13203 * tree-flow.h (remove_unused_locals): Declare.
13204 * passes.c (execute_todo): Call remove_unused_locals if
13205 TODO_remove_unused_locals is set.
13206 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13207 * tree-ssa-dce.c (pass_dce): Likewise.
13208 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13210 2006-01-05 Richard Guenther <rguenther@suse.de>
13212 * tree-flow.h (struct fieldoff): Decompose field to
13213 type, size and decl.
13214 * tree-ssa-alias.c (create_sft): Take type as parameter.
13215 (create_overlap_variables_for): Store type, size and decl
13216 in the fieldoff structure.
13217 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13218 of struct fieldoff.
13219 (push_fields_onto_fieldstack): Likewise.
13220 (create_variable_info_for): Likewise. Use offset for the
13221 SFT name if the decl is not available.
13223 2006-01-04 Paul Brook <paul@codesourcery.com>
13225 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13227 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13229 * lambda-code.c (can_put_in_inner_loop): Relax
13231 (can_put_after_inner_loop): New function.
13232 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13233 (perfect_nestify): Change to make copies and modify uses.
13235 2006-01-04 Richard Henderson <rth@redhat.com>
13237 Merge from gomp branch:
13238 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13239 via integer constant.
13240 (pragma_lex): Remove.
13241 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13242 rather than parsing it.
13243 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13244 handle_pragma_extern_prefix): Add %< %> quotes.
13245 (registered_pragmas): New.
13246 (c_register_pragma_1): New.
13247 (c_register_pragma): Use it.
13248 (c_register_pragma_with_expansion): Likewise.
13249 (c_invoke_pragma_handler): New.
13250 (init_pragma): Use cpp_register_deferred_pragma directly for
13252 * c-pragma.h (enum pragma_kind): New.
13253 (pragma_handler): New.
13254 (c_invoke_pragma_handler): Declare.
13255 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13257 * c-common.h (c_common_pch_pragma): Update decl.
13258 * Makefile.in (c-parser.o): Update dependencies.
13259 (GTFILES): Add c-pragma.h.
13260 * c-parser.c (struct c_token): Add pragma_kind.
13261 (struct c_parser): Add in_pragma.
13262 (c_lex_one_token): Always initialize keyword and pragma_kind.
13263 Extract data for CPP_PRAGMA.
13264 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13265 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13266 Don't allow CPP_PRAGMA_EOL if in_pragma.
13267 (c_parser_consume_pragma): New.
13268 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13269 (c_parser_skip_to_end_of_parameter): Likewise.
13270 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13271 (c_parser_skip_to_pragma_eol): New.
13272 (c_parser_external_declaration): Handle CPP_PRAGMA.
13273 (c_parser_compound_statement_nostart): Likewise.
13274 (c_parser_statement_after_labels): Likewise.
13275 (c_parser_pragma): New.
13276 (pragma_lex): Likewise.
13277 (c_parser_pragma_pch_preprocess): New.
13278 (c_parser_new): Merge into ...
13279 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13281 2006-01-04 Jeff Law <law@redhat.com>
13284 * tree-cfg.c (bsi_replace): Remove the original statement
13285 from the EH throw statement table.
13287 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13289 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13290 make the prototype extern "C" and add throw ().
13293 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13294 and pos non-negative and pos + len <= 32.
13295 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13296 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13297 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13300 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13301 as well as sizes not multiple of component size.
13304 * function.c (instantiate_expr): New function.
13305 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13306 walk its DECL_VALUE_EXPR with instantiate_expr.
13308 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13309 DW_OP_deref{,_size} if address isn't going to be added.
13311 2006-01-04 Ben Elliston <bje@au.ibm.com>
13313 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13314 * config/fp-bit.c: Likewise.
13316 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13318 * dominance.c: Add comment about why we use DFS numbering
13321 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13322 Richard Henderson <rth@redhat.com>
13324 Merge from gomp-branch:
13325 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13326 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13328 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13330 PR rtl-optimization/25578
13331 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13332 pass a parameter to simplify_shift_const if changing ASHIFTRT
13335 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13337 * builtins.c (get_builtin_sync_mem): New function.
13338 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13339 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13340 Call get_builtin_sync_mem to generate mem rtx.
13342 2006-01-03 Richard Guenther <rguenther@suse.de>
13345 * stmt.c (add_case_node): Make sure to clear overflow flags
13348 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13350 Merge from gomp-branch.
13351 * config/sparc/sync.md: New file.
13352 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13353 UNSPECV_LDSTUB): New constants.
13354 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13355 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13356 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13359 2006-01-03 Roger Sayle <roger@eyesopen.com>
13361 * combine.c (reg_subword_p): New predicate to test whether the
13362 destination of a set refers to a subword/piece of a register.
13363 (try_combine): Generalize the code to merge the setting of a
13364 pseudo to a constant followed by a set of a subword of that
13365 register to a constant.
13367 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13369 * basic-block.h (control_flow_graph): Change the type of
13370 x_label_to_block_map to VEC(basic_block,gc) *.
13371 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13372 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13374 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13375 VEC(basic_block,heap) *.
13376 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13377 ssa_prop_fini): Adjust the uses of cfg_blocks.
13379 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13381 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13383 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13384 hashing trees instead of a pointer hash.
13385 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13386 compare for MEM_EXPR.
13388 PR rtl-optimization/25130
13389 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13390 when comparing MEMs for GCSE
13392 2006-01-03 Ben Elliston <bje@au.ibm.com>
13394 * targhooks.h (default_decimal_float_supported_p): Declare.
13395 * targhooks.c (default_decimal_float_supported_p): Define.
13396 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13397 `default_decimal_float_supported_p'.
13398 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13400 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13402 * combine.c (apply_distributive_law <SUBREG>): Check
13403 TRULY_NOOP_TRUNCATION.
13405 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13407 * dwarf2out.c (have_switched_text_section): Delete.
13408 (have_multiple_function_sections): New.
13409 (have_location_lists): Make 'bool'.
13410 (add_AT_loc_list): Use 'true' not '1'.
13411 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13412 (output_loc_list): Use have_multiple_function_sections.
13413 (output_ranges): Likewise.
13414 (dwarf2out_begin_function): Set have_multiple_function_sections if
13416 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13417 Check function_section rather than DECL_SECTION_NAME.
13418 (dwarf2out_finish): Use have_multiple_function_sections.
13419 Don't clear have_location_lists.
13421 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13422 Jan Hubicka <jh@suse.cz>
13424 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13425 case of conditional jump jumping to the next instruction.
13426 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13427 cases of conditional jump jumping to the next instruction.
13429 2006-01-02 Jan Hubicka <jh@suse.cz>
13431 * i386.c (*_cost): Add COSTS_N_INSNS.
13432 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13434 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13437 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13439 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13441 * config/arm/arm.c (all_fpus): Fix comment typo.
13442 * config/darwin.c: Likewise.
13443 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13444 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13445 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13447 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13449 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13450 (rs6000_split_compare_and_swapqhi): New.
13451 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13452 (sync_compare_and_swapqhi_internal): New.
13453 * config/rs6000/rs6000-protos.h: Declare.