1 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3 * configure: Regenerate.
4 * Makefile.in (build_libsubdir): New configure substitution
5 (build_libobjdir): New variable.
6 (BUILD_LIBIBERTY): Use it.
8 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
13 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
16 * c-common.c (handle_weakref_attribute): Ignore attribute in
17 the same conditions the alias attribute is ignored.
19 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
21 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
22 (dbxout_begin_prologue): Increment scope_labelno.
24 2006-07-17 Richard Henderson <rth@redhat.com>
27 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
30 2006-07-17 Roger Sayle <roger@eyesopen.com>
31 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
33 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
34 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
35 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
36 functions such as sbrk, write, etc.. Add function prototypes.
37 Convert function declarations from K&R to ISO C. Cast pointers
38 to "long" and "unsigned long" instead of "int" and "unsigned int".
39 Convert tokens following #endif into comments.
41 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
43 * invoke.texi: Remove mention of f77; Reformat table for
44 inline parameter options correctly; mention that -malign-double
45 is default on x86-64 targets.
47 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
49 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
50 (convert_affine_scev, chrec_convert_aggressive): Use
51 avoid_arithmetics_in_type_p. Do not check for the subtypes
54 2006-07-17 Richard Sandiford <richard@codesourcery.com>
57 * optabs.c (expand_doubleword_shift): Wrap the call to
58 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
60 2006-07-17 Richard Sandiford <richard@codesourcery.com>
63 * optabs.c (expand_binop): Pass next_methods rather than methods
64 to expand_doubleword_shift.
66 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
69 * tree.h (dump_addr): Declare.
70 * print-tree.c (dump_addr): New function.
71 (print_node_brief, print_node): Use it.
72 * print-rtl.c (print_rtx): Likewise.
73 * common.opt (-fdump-noaddr): New option.
74 * doc/invoke.texi (-fdump-noaddr): Document.
75 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
76 (ve_info_hash): Likewise.
78 2006-07-13 Andrew Haley <aph@redhat.com>
80 PR tree-optimization/19505
81 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
82 edge leaving this block, make sure that the destination of this
83 block has only one predecessor.
85 2006-07-17 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/28238
88 * tree-inline.c (copy_bb): Check if we produced valid
89 gimple copying and substituting a stmt. If not, gimplify
92 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
94 * optabs.c (maybe_encapsulate_block): New function extracted from...
95 (emit_libcall_block): ...here. Invoke it on the block of insns to
96 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
97 (emit_no_conflict_block): Likewise.
99 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
101 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
103 2006-07-15 Roger Sayle <roger@eyesopen.com>
105 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
106 a new NOP_EXPR case of the switch statement.
108 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
111 * stor-layout.c (place_field): Take the bit field with
112 an excessive size into account in the ms-bitfiled case.
115 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
116 the previous bit field.
118 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
121 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
123 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
125 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
126 signal frames correctly even when the signal was installed with
129 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
131 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
132 (dbxout_function_end): Use local label LFBB. Remove hook
134 (dbxout_source_line): Use local label LFBB.
135 (dbxout_block): Likewise.
136 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
137 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
138 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
141 2006-07-13 Janis Johnson <janis187@us.ibm.com>
143 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
145 2006-07-13 Jan Hubicka <jh@suse.cz>
147 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
149 * output.h (align_variable): Declare.
150 * varasm.c (align_variable): Export.
151 * value-prof.c (tree_value_profile_transformations): Recompute iterator
152 when basic block changed.
154 2006-07-13 Nick Clifton <nickc@redhat.com>
156 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
157 walking the LOG_LINKS chain.
159 2006-07-12 Geoffrey Keating <geoffk@apple.com>
161 * doc/invoke.texi (C++ Dialect Options): Explain difference
162 between -fvisibility-inlines-hidden and setting hidden
163 visibility explicitly.
165 2006-07-12 Eric Christopher <echristo@apple.com>
167 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
168 (stmp-lipo): Depend on libgcc.a.
170 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
172 * tree.c: Fix a comment typo.
174 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
176 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
178 (umulhisi3_r): Likewise.
180 2006-07-12 Paolo Carlini <pcarlini@suse.de>
183 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
184 x < 19, vs wchar_t support.
186 2006-07-12 Nick Clifton <nickc@redhat.com>
188 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
191 2006-07-12 Mike Stump <mrs@apple.com>
193 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
195 2006-07-10 Eric Christopher <echristo@apple.com>
197 * config/t-slibgcc-darwin: Rewrite.
199 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
202 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
205 2006-07-08 Matthias Klose <doko@debian.org>
207 * doc/sourcebuild.texi: Fix typo.
209 2006-07-07 Mike Stump <mrs@apple.com>
211 * toplev.c (process_options): Don't give -ffunction-sections may
212 affect debugging warning for Mach-O.
214 2006-07-07 James E Wilson <wilson@specifix.com>
216 * config/mips/mips.md (cpu): Add sb1a.
217 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
218 addition to sb1. Adjust comments to clarify SB-1A differences from
220 (ir_sb1a_load): New. Modify bypasses to use it.
221 (ir_sb1a_simple_alu): Likewise.
222 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
223 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
224 (mips_issue_rate): Add PROCESSOR_SB1A.
225 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
226 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
227 (TARGET_SB1): Add PROCESSOR_SB1A check.
228 (TUNE_SB1): Likewise.
230 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
231 * config/mips/mips.c (mips_store_data_bypass_p): New.
232 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
235 2006-07-08 Paul Brook <paul@codesourcery.com>
238 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
240 2006-07-07 Richard Guenther <rguenther@suse.de>
243 * tree.h (build_one_cst): Declare.
244 * tree.c (build_one_cst): New function.
245 * tree-ssa-math-opts.c (get_constant_one): Remove.
246 (insert_reciprocals): Use build_one_cst.
247 * fold-const.c (fold_plusminus_mult): Likewise.
249 2006-07-07 Roger Sayle <roger@eyesopen.com>
251 * pointer-set.c (pointer_set_destroy): Correct whitespace.
252 * cfgloopanal.c (dump_graph): Likewise.
253 * dojump.c (discard_pending_stack_adjust): Likewise.
254 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
256 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
257 * function.c (finalize_block_changes): Likewise.
258 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
259 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
260 * rtl.c (dump_rtx_statistics): Likewise.
261 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
263 * varray.c (dump_varray_statistics): Likewise.
264 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
265 decode_decimal64, encode_decimal128, decode_decimal128,
266 decimal_real_to_decimal): Likewise.
268 2006-07-07 Richard Guenther <rguenther@suse.de>
270 PR tree-optimization/28187
271 * tree-vrp.c (vrp_operand_equal_p): New function.
272 (vrp_bitmap_equal_p): Likewise.
273 (update_value_range): Use them to compare old and new
276 2006-07-06 Roger Sayle <roger@eyesopen.com>
278 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
279 a default case to switch statement to silence compiler warnings.
281 2006-07-06 Roger Sayle <roger@eyesopen.com>
284 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
285 the configured assembler supports the x87's ffreep mnemonic.
286 * configure: Regenerate.
287 * config.in: Regenerate.
289 * config/i386/i386.c (output_387_ffreep): New function.
290 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
291 (output_387_reg_move): Likewise.
293 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
295 Port to hosts whose 'sort' and 'tail' implementations
296 treat operands with leading '+' as file names, as POSIX
297 has required since 2001. However, make sure the code still
298 works on pre-POSIX hosts.
299 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
300 which says you should use "tail -c +N" rather than "tail +Nc".
301 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
303 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
305 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
308 2006-07-06 David Edelsohn <edelsohn@gnu.org>
311 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
312 PRE_{INC,DEC} of TFmode.
314 2006-07-06 David Edelsohn <edelsohn@gnu.org>
315 Alan Modra <amodra@bigpond.net.au>
318 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
321 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
324 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
325 Remove duplicate gtu.
327 2006-07-05 Jason Merrill <jason@redhat.com>
331 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
332 * c-common.c (handle_packed_attribute): So don't copy it here.
333 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
335 2006-07-05 Mike Stump <mrs@apple.com>
337 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
339 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
342 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
344 2006-07-05 Richard Guenther <rguenther@suse.de>
347 * config/i386/i386.md (*negdf2_1): Restrict pattern to
348 TARGET_SSE2 targets if using SSE math.
349 (*absdf2_1): Likewise.
351 2006-07-05 Richard Guenther <rguenther@suse.de>
353 PR tree-optimization/28162
354 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
355 make sure to convert the operands to the correct type.
357 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
359 PR tree-optimization/28218
361 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
362 to calculate and free the dominator information.
364 2006-07-04 Peter O'Gorman <peter@pogma.com>
366 * mklibgcc.in: chmod 644 before ranlib during install.
368 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
369 J"orn Rennecke <joern.rennecke@st.com>
371 * configure.ac (.eh_frame data check): Use diff -b.
373 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
376 * Makefile.in (BUILD_RTL): Add build/vec.o.
377 (build/gencondmd.o): Filter out -fkeep-inline-functions.
378 (build/genextract): Delete.
379 (build/genautomata): Likewise.
381 2006-07-04 Alan Modra <amodra@bigpond.net.au>
384 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
385 128-bit IBM long doubles for ABI_V4.
387 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
389 * tree.c (range_in_array_bounds_p): New predicate.
390 * tree.h (range_in_array_bounds_p): Declare it.
391 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
392 return a less conservative answer.
393 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
395 (IS_ELEMENT_FOR_GROUP): New macro.
396 (FOR_EACH_ACTUAL_CHILD): Likewise.
397 (next_child_for_group): New helper function.
398 (can_completely_scalarize_p): Take into account groups.
399 (sra_hash_tree): Handle RANGE_EXPR.
400 (sra_elt_eq): Likewise.
401 (lookup_element): Be prepared for handling groups.
402 (is_valid_const_index): Delete.
403 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
404 instead of is_valid_const_index.
405 <ARRAY_RANGE_REF>: New case.
406 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
407 is_valid_const_index.
408 <ARRAY_RANGE_REF>: Do not unconditionally punt.
409 (scan_dump): Dump info for groups too.
410 (decide_instantiation_1): Likewise.
411 (decide_block_copy): Assert that the element is not a group.
412 Propagate decision to groups.
413 (generate_one_element_ref): Handle RANGE_EXPR.
414 (mark_no_warning): Iterate over actual childs.
415 (generate_copy_inout): Likewise.
416 (generate_element_copy): Likewise.
417 (generate_element_zero): Likewise.
418 (generate_element_init_1): Likewise.
419 (dump_sra_elt_name): Handle RANGE_EXPR.
421 2006-07-03 Roger Sayle <roger@eyesopen.com>
423 PR tree-optimization/26251
424 * tree-ssa-threadupdate.c (redirection_block_p): New function.
425 (thread_block): When optimizing for size refuse to thread jumps
426 that would require duplication of blocks other than redirection
429 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
431 * configure.ac: Fix thinko in previous check-in.
432 * configure: Regenerate.
434 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
437 * configure.ac (for lang...): Simplify nesting of conditionals.
438 Test subdir_requires for non-enabled languages. Move processing
439 of lang_opt_files and lang_tree_fiels below that test.
440 * configure: Regenerate.
441 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
443 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
445 * doc/gcov.texi (Invoking Gcov): Add a missing word.
447 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
449 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
452 2006-06-29 Jason Merrill <jason@redhat.com>
459 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
460 * c-common.c (c_determine_visibility): Handle it here.
461 * c-decl.c (finish_decl): Call c_determine_visibility for
463 * flags.h (enum symbol_visibility): Sort from most to least visibility.
465 * varasm.c (default_assemble_visibility): Likewise.
466 * c-common.c (handle_visibility_attribute): Complain about trying
467 to give visibility to an already defined class, or trying to change
468 declared visibility. Always attach the attribute.
473 * attribs.c (decl_attributes): Ignore type-in-place attributes
474 once the type has been defined.
476 2006-06-29 Roger Sayle <roger@eyesopen.com>
479 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
480 to indicate the cpplib has issued an error message for us.
482 2006-06-29 Asher Langton <langton2@llnl.gov>
485 * config/i386/i386.c (ix86_output_function_epilogue): Don't
486 insert a label at the end of an function under Mach-O.
488 2006-06-29 Eric Christopher <echristo@apple.com>
489 Evan Cheng <evan.cheng@apple.com>
491 * predicates.md (vector_all_ones_operand): New.
492 (nonimmediate_or_sse_const_operand): Ditto.
493 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
494 * config/i386/i386.c (standard_sse_constant_opcode): Define.
495 (standard_sse_mode_p): Ditto.
496 (standard_sse_constant_p): Add case for -1 vector.
497 (ix86_expand_vector_move): Try to use.
498 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
499 Call standard_sse_constant_opcode.
500 (*movv4sf_internal): Ditto.
501 (*movv2df_internal): Ditto.
503 2006-06-29 Roger Sayle <roger@eyesopen.com>
505 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
506 of XEXP to extract the operands of a MATCH_CODE rtx.
508 2006-06-28 Andrew Pinski <pinskia@gmail.com>
510 * tree.c (tree_size): Do not waste tail padding in
511 struct tree_string and make the size be the same as
512 build_string will generate.
514 2006-06-28 Jason Merrill <jason@redhat.com>
517 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
518 may_aliases already in the tag's annotations to the bitmap.
520 2006-06-28 Roger Sayle <roger@eyesopen.com>
522 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
524 2006-06-28 Roger Sayle <roger@eyesopen.com>
526 * genpreds.c (generate_switch_p): New function.
527 (add_mode_tests): Push the new mode test down inside an AND expr
528 if this allows the switch-suitable MATCH_CODE to be near the root.
529 (write_match_code_switch): New function to write a MATCH_CODE as
531 (write_predicate_stmts): New function to write a predicate RTX
532 expression as a sequence of statements.
533 (write_one_predicate_function): Use write_predicate_stmts.
534 (write_tm_constrs_h): Likewise.
536 2006-06-26 Fred Fish <fnf@specifix.com>
538 * config/mips/t-sb1: New file.
539 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
542 2006-06-26 DJ Delorie <dj@redhat.com>
544 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
546 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
547 Jayant Sonar <jayants@kpitcummins.com>
548 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
550 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
551 (subsi3, subsi3_1, subsi3_2): New.
552 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
553 * config/m32c/mov.md (SI mov peephole): New.
554 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
555 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
557 2006-06-26 Olivier Hainque <hainque@adacore.com>
559 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
560 a CALL_EXPR target function declaration.
562 2006-06-26 Richard Guenther <rguenther@suse.de>
564 * tree.c (build_string): Do not waste tail padding in
567 2006-06-26 Richard Guenther <rguenther@suse.de>
569 * ggc-page.c (init_ggc): Add missing element to size_lookup
573 2006-06-23 Richard Guenther <rguenther@suse.de>
575 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
576 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
577 alignment requests instead. Add verification code.
578 Add struct tree_function_decl and struct tree_binfo size to
579 extra_order_size_table. Add missing element to size_lookup
582 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
585 * fold-const.c (const_binop): Be prepared for self returning zero.
586 Simplify code handling complex values.
588 2006-06-24 Olivier Hainque <hainque@adacore.com>
590 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
591 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
594 2006-06-24 Olivier Hainque <hainque@adacore.com>
596 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
597 ARRAY_REF, so have the callback called for the low bound expression.
599 2006-06-23 Janis Johnson <janis187@us.ibm.com>
601 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
602 * c-typeck.c (c_common_type): Disallow operations on decimal float
603 types and other float types.
604 * convert.c (convert_to_real): Don't ignore conversions involving
607 2006-06-23 Olivier Hainque <hainque@adacore.com>
609 * tree.c (max_int_size_in_bytes): New function, inspired from
610 code in function.c:assign_temp.
611 * tree.h (max_int_size_in_bytes): Declare.
612 * function.c (assign_temp): Use it.
613 * gimplify.c (create_tmp_var): Relax the assertions on the type
614 properties, not mandating constant size any more.
615 (force_constant_size): New static function.
616 (gimple_add_tmp_var): Use it, forcing variable size to a
617 constant upper bound if it is not constant on entry.
619 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
622 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
623 for initialization and setting of one_only flag to ...
624 (i386_pe_encode_section_info): ...here.
625 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
626 Recheck that the symbol has not been defined.
628 2006-06-23 Richard Guenther <rguenther@suse.de>
630 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
631 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
632 alignment requests instead. Add verification code.
633 Add struct tree_function_decl and struct tree_binfo size to
634 extra_order_size_table. Add missing element to size_lookup
637 2006-06-22 Roger Sayle <roger@eyesopen.com>
638 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
641 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
642 call to lang_hooks.types.type_for_mode returned NULL_TREE.
644 2006-06-23 Ben Elliston <bje@au.ibm.com>
646 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
647 negate dn -- manipulate it directly.
649 2006-06-22 Roger Sayle <roger@eyesopen.com>
650 Steven Bosscher <stevenb.gcc@gmail.com>
653 * reload1.c (gen_reload): Call mark_jump_label on the new insns
654 generated by gen_move_insn to add REG_LABEL notes if necessary.
656 2006-06-22 Bob Wilson <bob.wilson@acm.org>
658 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
659 (leaf_entry): Remove use of MIN_ESA.
661 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
663 PR rtl-optimization/28121
664 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
667 2006-06-21 DJ Delorie <dj@redhat.com>
669 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
671 (mulhisi3_r): Likewise.
673 2006-06-21 Richard Sandiford <richard@codesourcery.com>
676 * coverage.c (coverage_counter_alloc): Leave the index type
678 (coverage_counter_alloc): Use null arguments for operands 2 and 3
681 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
683 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
684 section from the "Options for Code Generation Conventions".
686 2006-06-21 Richard Henderson <rth@redhat.com>
690 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
692 (global_symbolic_operand): Allow weak symbols, even if local_p.
694 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
696 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
697 (find_interesting_uses_address): Punt if above function returns true.
699 2006-06-21 Richard Guenther <rguenther@suse.de>
701 * configure: Regenerated.
703 2006-06-21 Joseph Myers <joseph@codesourcery.com>
705 * config/mips/mips.c (function_arg): Where one part of a
706 complex argument is in registers and the other part in the stack,
707 return a REG not a PARALLEL.
709 2006-06-21 Mark Mitchell <mark@codesourcery.com>
711 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
712 when cross-compiling. Do not substitute libstdcxx_incdir.
713 * configure: Regenerated.
715 2006-06-21 Jakub Jelinek <jakub@redhat.com>
717 * varasm.c (mergeable_string_section): Check for embedded NULs and
718 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
719 rather than TREE_STRING_LENGTH bytes.
721 2006-06-21 Richard Guenther <rguenther@suse.de>
723 * ggc-page.c (extra_order_size_table): Add var_ann_d,
724 tree_ssa_name, bitmap_element and phi_node with 4 arguments
727 2006-06-21 Richrad Guenther <rguenther@suse.de>
729 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
730 Limit iteration over the dominators.
732 2006-06-20 Roger Sayle <roger@eyesopen.com>
734 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
735 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
737 2006-06-20 Richard Guenther <rguenther@suse.de>
738 Michael Matz <matz@suse.de>
740 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
742 * alloc-pool.c (free_alloc_pool_if_empty): New function.
743 * et-forest.h (et_free_pools): Prototype new function.
744 * et-forest.c (et_free_tree_force): Free parent occurrence.
745 (et_free_pools): New function.
746 * dominance.c (free_dominance_info): Free et-forest alloc
749 2006-06-20 Roger Sayle <roger@eyesopen.com>
751 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
752 integer modes, attempt to directly construct an integer constant.
754 * fold-const.c (native_encode_vector): Determine the size of each
755 element from the vector type instead of the first vector element.
757 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
758 if all of its elements/components are constant.
759 (build_constructor_from_list): Likewise.
761 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
763 PR tree-optimization/27331
764 * tree-data-ref.c (free_data_ref): New function.
765 (create_data_ref): Fail if the data reference has unknown access
767 (free_data_refs): Use free_data_ref.
769 2006-06-19 Andrew Pinski <pinskia@gmail.com>
772 * tree-inline.c (setup_one_parameter): Strip useless
773 type conversion before adding it to the IR.
774 (declare_return_variable): Likewise.
776 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
779 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
781 2006-06-19 Mike Stump <mrs@apple.com>
783 * tree.c (variably_modified_type_p): VM arguments don't make the
786 2006-06-19 Richard Guenther <rguenther@suse.de>
788 * tree-ssa-pre.c (try_combine_conversion): Strip useless
789 type conversions after folding.
791 2006-06-19 Richard Guenther <rguenther@suse.de>
793 * ggc-page.c (extra_order_size_tab): Add entries with
794 size of struct function and basic_block.
795 (size_lookup): Extend to cover sizes up to 511.
796 (ggc_alloc_stat): Adjust user.
797 (ggc_pch_count_object): Likewise.
798 (ggc_pch_alloc_object): Likewise.
799 (ggc_pch_write_object): Likewise.
801 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
803 * tree-ssa-loop-niter.c (implies_ge_p): New function.
804 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
807 2006-06-19 Denis Chertykov <denisc@overta.ru>
809 * config/avr/libgcc.S : Correct my wrong previous commit.
811 2006-06-19 Roger Sayle <roger@eyesopen.com>
814 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
815 have stripped a SUBREG from the shift count, so we may need to
816 convert_to_mode back to the type's mode before calling make_tree.
817 Use new_amount instead of amount to avoid expanding a tree twice.
819 2006-06-19 Richard Guenther <rguenther@suse.de>
822 * fold-const.c (operand_equal_p): Check if the argument types
823 have the same precision before stripping NOPs.
825 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
827 Fix PR tree-optimization/27341
828 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
830 * tree-complex.c (pass_lower_complex): Update SMT usage.
832 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
834 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
835 Add a new alternative to the constraint strings. Add move of
836 operand 1 to 3 to the splitter definition.
837 ("doloop_si_long"): Second contraint alternative removed.
839 2006-06-08 Anatoly Sokolov <aesok@post.ru>
841 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
842 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
844 (AVR_HAVE_MOVW) Define.
845 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
846 (ASM_SPEC): Add avr25.
847 (LINK_SPEC): Add avr25.
848 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
849 (base_arch_s): Add new member 'have_movw_lpmx'.
850 (avr_arch_types): Init 'have_movw_lpmx'.
851 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
852 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
853 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
854 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
855 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
857 (avr_file_start): Do not output '.arh' derective.
858 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
859 (__do_copy_data): Use __AVR_HAVE_LPMX__.
860 * config/avr/avr.md (mcu_enhanced): Delete.
861 (mcu_have_movw): Define.
862 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
863 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
864 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
865 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
866 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
867 attiny861 and at86rf401 devices.
869 2006-06-18 Jie Zhang <jie.zhang@analog.com>
871 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
874 2006-06-17 Karl Berry <karl@gnu.org>
876 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
877 doc/gccint.texi, doc/install.texi (@dircategory): Use
878 "Software development" instead of "Programming", following
879 the Free Software Directory.
881 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
883 * config/i386/i386.c (legitimate_tls_address)
884 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
885 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
886 (*tls_dynamic_gnu2_combine_64): Likewise.
888 2006-06-16 Richard Guenther <rguenther@suse.de>
891 * fold-const.c (negate_expr_p): Do not introduce undefined
892 overflow in negating INTEGER_CSTs.
893 (fold_negate_expr): Rename from negate_expr. Revert last
894 change for folding BIT_NOT_EXPR. Change semantics to
895 return NULL_TREE for non-simplified negations. Do not
896 strip type conversions and unify type handling.
897 (negate_expr): New function, wrap around fold_negate_expr
898 but ensure building a tree always. Strip type conversions
899 here, fold to result type.
900 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
902 2006-06-16 Roger Sayle <roger@eyesopen.com>
905 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
906 that (would) return their results in stack registers.
908 2006-06-16 Michael Matz <matz@suse.de>
909 Richard Guenther <rguenther@suse.de>
911 * fold-const.c (fold_truthop): Only return new tree node if
912 we canonicalized something.
914 2006-06-16 Richard Guenther <rguenther@suse.de>
916 * function.h (enum function_frequency): Move declaration
917 out of struct function.
918 (struct function): Move bool fields and the enum to the bitfield
919 section. Reorder elements to avoid padding. Remove unused
920 fields left over from the RTL inliner removal.
921 * function.c (free_after_compilation): Do not zero removed fields.
922 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
923 (ipa-type-escape.o): Likewise.
925 2006-06-16 Richard Guenther <rguenther@suse.de>
927 * cgraph.h (struct cgraph_local_info): Turn bool elements
929 (struct cgraph_node): Likewise.
930 (struct cgraph_varpool_node): Likewise.
932 2006-06-15 Richard Guenther <rguenther@suse.de>
934 * fold-const.c (fold_truth_not_expr): Rename from
935 invert_truthvalue. Give it fold_* semantics to avoid
937 (invert_truthvalue): New function. Wrapper around
939 (optimize_minmax_comparison): Avoid creating garbage.
940 (fold_unary): Use fold_truth_not_expr for folding
942 (fold_ternary): Replace uses of invert_truthvalue with
943 fold_truth_not_expr where applicable.
944 * tree.h (fold_truth_not_expr): Prototype.
946 2006-06-16 Richard Guenther <rguenther@suse.de>
948 PR tree-optimization/27781
949 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
950 * ipa-pure-const.c (target.h): Include.
951 (analyze_function): Do not analyze functions that do not
954 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
957 * tree-dfa.c (referenced_vars_dup_list): Remove.
958 (find_referenced_vars): Remove assert.
959 (referenced_var_check_and_insert): Replace dup list with assert.
960 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
961 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
963 2006-06-15 Richard Guenther <rguenther@suse.de>
965 * tree-ssa-structalias.c (alias_get_name): Avoid creating
966 extra unused identifiers if not dumping.
967 (create_variable_info_for): Likewise.
969 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
971 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
972 (derive_constant_upper_bound): Derive more precise upper bound in
973 common cases. Return type changed to double_int.
974 (record_estimate): Reflect the changed return type of
975 derive_constant_upper_bound.
976 * double-int.c (double_int_zext, double_int_sext): Fix.
978 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
980 * configure.ac (CFLAGS): Get them from the toplevel or from the
981 configure invocation.
982 * configure: Regenerate.
983 * Makefile.in (CFLAGS): Substitute value provided by configure.
985 2006-06-14 Mark Mitchell <mark@codesourcery.com>
988 * c-common.h (c_finish_omp_atomic): Adjust declaration.
989 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
990 rather than calling add_stmt on it.
991 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
993 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
996 * reload1.c (reload): Remove registers returned by update_eliminables
997 from used_spill_regs.
999 2006-06-13 DJ Delorie <dj@redhat.com>
1001 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1003 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1005 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1006 html__strip_dir, html__mkdir_p. Enhance install-html target.
1007 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1008 * configure: Regenerate.
1010 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1012 * fold-const.c (fold_cond_expr_with_comparison): Check for
1013 Objective-C++ as language in deciding COND_EXPR transformation.
1015 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1018 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1019 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1020 * config/sh/lib1funcs.h (SL, SL1): Define.
1021 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1022 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1023 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1024 (OBJS_Os_4_200): New variable.
1025 ($(T)libgcc-Os-4-200.a): Use it.
1026 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1027 when dividing 1 and/or by 0.
1029 2006-06-13 Roger Sayle <roger@eyesopen.com>
1031 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1032 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1033 * configure: Regenerate.
1035 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1037 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1038 for real instruction.
1040 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1043 * haifa-sched.c (check_cfg): Handle special case.
1045 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1048 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1049 Add debug_info parameter. Chain the vars to the BLOCK instead
1050 of the BIND_EXPR if debug info are requested for them.
1051 (pop_gimplify_context): Adjust for above change.
1052 (gimple_add_tmp_var): Likewise.
1053 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1055 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1056 (convert_local_reference): Likewise.
1057 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1058 (finalize_nesting_tree_1): Request that debug info be emitted
1059 for debug_var_chain.
1061 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1063 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1064 for PR target/27863.
1066 2006-06-13 Richard Guenther <rguenther@suse.de>
1069 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1071 2006-06-13 Richard Guenther <rguenther@suse.de>
1073 PR tree-optimization/27830
1074 * tree-inline.c (copy_body_r): For copying the operand
1075 of an ADDR_EXPR make sure to fold &* afterwards.
1077 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1079 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1080 lvalues in the fb_none case with side-effects.
1082 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1084 * tree-flow.h: Remove the prototype for
1085 compute_phi_arg_on_exit.
1086 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1087 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1090 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1092 * builtins.c (expand_builtin_return_addr): Only use
1093 frame_pointer_rtx when count == 0 and we are expanding
1094 __builtin_return_address.
1096 2006-06-12 Fred Fish <fnf@specifix.com>
1098 * config/mips/mips.c (mips_file_start): Create special section
1099 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1101 2006-06-11 Eric Christopher <echristo@apple.com>
1104 * stor-layout.c (place_field): Remove check for
1105 remaining_in_alignment when aligning at the end of a run.
1107 2006-06-11 Eric Christopher <echristo@apple.com>
1110 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1113 2006-06-11 Roger Sayle <roger@eyesopen.com>
1116 Revert incorrect fix for PR target/27158
1117 2006-05-08 Roger Sayle <roger@eyesopen.com>
1118 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1119 of a reg_equiv_constant if the result is a legitimate constant.
1121 2006-06-11 Roger Sayle <roger@eyesopen.com>
1124 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1125 extract a CONST_VECTOR element and interpret it as an integer.
1126 (vspltis_constant): Use const_vector_elt_as_int instead of the
1127 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1128 * config/rs6000/predicates.md (easy_vector_const): Consider
1129 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1131 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1134 * stor-layout.c (update_alignment_for_field): Don't add extra
1135 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1138 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1140 * config/mips/t-rtems: Add EL/EB multilib variants.
1142 2006-06-09 Mike Stump <mrs@apple.com>
1144 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1146 2006-06-09 David Daney <ddaney@avtrex.com>
1148 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1150 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1152 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1154 2006-06-09 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/26998
1157 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1158 of signed types, only TYPE_MIN_VALUE is special, but for both,
1159 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1160 in this case, as is -fwrapv.
1162 2006-06-08 Mike Stump <mrs@apple.com>
1165 * config/darwin.c (darwin_asm_output_anchor): Disable
1166 -fsection-anchors on darwin for now.
1167 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1168 * rs6000/rs6000.c (optimization_options): Likewise.
1170 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1173 * config/i386/i386.c (classify_argument): Skip fields with invalid
1176 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1178 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1179 (cse_insn): Likewise for the stack_pointer_rtx.
1181 2006-06-08 Roger Sayle <roger@eyesopen.com>
1183 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1184 conditions from floating point comparisons.
1186 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1189 * expmed.c (struct alg_hash_entry): Fix type of field T
1190 to match synth_mult argument.
1191 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1193 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1196 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1199 2006-06-08 Richard Guenther <rguenther@suse.de>
1202 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1203 only, if overflow is defined and not trapping.
1204 (negate_expr): Likewise.
1206 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1208 PR tree-optimization/27872
1209 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1210 flag on the new exit edge of the unrolled loop.
1212 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1214 PR rtl-optimization/26449
1215 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1217 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1220 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1221 referenced_variables with matching DECL_UID's.
1222 (find_referenced_vars): Make sure duplicate list is empty to start.
1223 (referenced_var_p): Remove.
1224 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1225 Check if var is in the list, and add if needed. Update the duplicate
1226 list if a different var is in the list with the same DECL_UID.
1227 (add_referenced_var): Call routine to check and insert.
1228 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1229 * tree-flow.h (referenced_vars_dup_list): External declaration.
1231 2006-06-07 Fred Fish <fnf@specifix.com>
1233 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1236 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1239 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1240 the imaginary and real parts of a clobbered register.
1241 Emit insn to set the imaginary part.
1243 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1245 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1246 in lieu of unwind-dw2-fde.c.
1248 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1250 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1252 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1255 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1256 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1257 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1258 V4SImode temporaries and operations instead.
1260 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1262 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1265 2006-06-06 Mike Stump <mrs@apple.com>
1267 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1268 installing during build.
1270 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1272 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1274 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1275 * config/ia64/ia64.c (params.h): New header.
1276 (ia64_optimization_options): New function to adjust parameters.
1277 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1278 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1279 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1281 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1283 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1285 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1288 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1290 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1291 Victor Kaplansky <victork@il.ibm.com>
1293 PR tree-optimization/26360
1294 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1297 2006-06-04 Roger Sayle <roger@eyesopen.com>
1298 Andrew Pinski <pinskia@physics.uc.edu>
1301 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1302 for LABEL_DECL before calling DECL_WEAK.
1305 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1306 LABEL_DECL and PARM_DECL.
1308 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1312 * c-decl.c (grokdeclarator): Disallow variably modified types at
1313 file scope. Avoid marking shared array type of constant size as
1316 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1319 * c-common.c (fold_offsetof_1): Handle static members.
1321 2006-06-04 Eric Christopher <echristo@apple.com>
1323 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1324 (debug_rli): Output value for remaining_in_alignment.
1325 (update_alignment_for_field): Unconditionalize
1326 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1327 extra alignment code.
1328 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1329 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1330 * tree.h (record_layout_info_s): Remove prev_packed.
1331 * doc/extend.texi (ms_struct): Add documentation of format.
1333 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1335 * tree.h: Declare folding_initializer.
1336 * builtins.c (fold_builtin_constant_p): Give definite answer
1337 if folding inside an initializer.
1338 * fold-const.c: Define folding_initializer.
1339 (START_FOLD_INIT): Save and then set folding_initializer.
1340 (END_FOLD_INIT): Restore folding_initializer.
1342 2006-06-04 Richard Guenther <rguenther@suse.de>
1344 PR tree-optimization/27039
1345 * fold-const.c (fold_comparison): Handle pointer comparison
1346 again for all comparison codes. Compare offsets in signed
1348 (fold_binary): Move code from here.
1350 2006-06-03 Roger Sayle <roger@eyesopen.com>
1353 * config/i386/i386.c (construct_container): Split static issued_error
1354 flag into issued_sse_arg_error, issued_sse_ret_error and
1355 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1356 requires the use of x87 registers and the user explicitly
1357 specified the -mno-80387 command line option.
1359 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1361 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1362 HAVE_DECL_SIGALTSTACK.
1364 (segv_handler): Use MC_FLD.
1365 * configure.ac: Check for a sigaltstack declaration.
1366 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1367 * configure: Regenerate.
1368 * config.in: Regenerate.
1370 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1373 * Makefile.in (stmp-fixinc): Fix typo.
1375 2006-06-02 Roger Sayle <roger@eyesopen.com>
1377 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1378 are type correct. Clean-up.
1379 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1380 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1382 2006-06-01 DJ Delorie <dj@redhat.com>
1384 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1385 shift, as we've disabled the "switch" insn that needs it.
1387 2006-06-01 Per Bothner <bothner@bothner.com>
1389 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1390 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1391 * c-ppoutput.c (cb_define): Don't increment line 0.
1393 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1395 * doc/invoke.texi: Add cpu_type power6.
1396 * config.gcc: Add cpu_type power6.
1397 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1398 to power5+ with Altivec.
1399 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1400 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1402 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1404 * config/avr/avr.h (SET_ASM_OP): Define.
1406 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1408 * config/bfin/bfin.c: Fix comment typos.
1410 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1413 * doc/install.texi: Document --enable-bootstrap and
1414 --disable-bootstrap.
1416 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1418 * doc/install.texi: Document that InfoZIP can replace jar.
1420 2006-05-31 Roger Sayle <roger@eyesopen.com>
1422 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1423 isn't available, directly generate the simpler x87 patterns without
1424 the (use (const_int 0)).
1425 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1426 implementation isn't available.
1427 (*negdf2_1): Likewise.
1428 (*negxf2_1): XF mode negation is always done using the x87.
1429 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1431 2006-05-31 Roger Sayle <roger@eyesopen.com>
1433 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1434 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1436 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1438 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1440 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1441 * config/bfin/bfin.c (basic-block.h): Include.
1442 (struct machine_function): New.
1443 (bfin_init_machine_status): New.
1444 (override_options): Initialize init_machine_status.
1445 (bfin_hardware_loop): New.
1446 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1447 (DEF_VEC_P (loop_info)): New.
1448 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1449 (struct loop_info): New.
1450 (loop_info): New typedef.
1451 (struct loop_work): New.
1452 (loop_work): New typedef.
1453 (DEF_VEC_O (loop_work)): New.
1454 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1455 (bfin_dump_loops): New.
1456 (bfin_bb_in_loop): New.
1457 (bfin_scan_loop): New.
1458 (bfin_optimize_loop): New.
1459 (bfin_reorg_loops): New.
1460 (bfin_reorg): Use bfin_reorg_loops.
1461 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1463 (I_REGNO_P): Simplify.
1464 (DP_REGNO_P, DPREG_P): New macros.
1465 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1466 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1467 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1468 Add LT_REGS, LC_REGS, LB_REGS.
1469 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1471 (REGNO_REG_CLASS): Deal with loop registers.
1472 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1474 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1475 New constants for loop registers.
1476 (UNSPEC_LSETUP_END): New.
1477 (seq_insns): New define_attr. Set it for appropriate insns.
1478 (movsi_insn): Add alternatives for move from/to
1479 loop count registers.
1480 (doloop_end): New define_expand.
1481 (loop_end): New define_insn.
1482 (define_split for bad doloop_end): New.
1483 (lsetup_with_autoinit): New define_insn.
1484 (lsetup_without_autoinit): New define_insn.
1485 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1486 * config/bfin/predicates.md (lc_register_operand): New.
1487 (lt_register_operand): New.
1488 (lb_register_operand): New.
1489 (nondp_register_operand): New.
1490 (nondp_reg_or_memory_operand): New.
1491 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1493 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1495 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1496 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1498 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1500 * Makefile.in (CATALOGS): Add po/ prefix.
1501 * configure: Regenerated.
1503 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1506 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1507 a shift operand before calling shift_op. Avoid redundant call of
1510 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1511 DJ Delorie <dj@redhat.com>
1513 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1514 we're inserting is a singlt-bit constant.
1516 2006-05-30 Roger Sayle <roger@eyesopen.com>
1518 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1519 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1521 2006-05-30 Roger Sayle <roger@eyesopen.com>
1523 PR tree-optimization/23452
1524 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1525 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1526 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1527 complex values and with -ffast-math for FP complex values.
1529 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1531 * c-common.h: Remove the prototype for yyparse.
1532 * rtl.h: Remove the prototype for init_loop.
1534 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1536 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1539 2006-05-30 Roger Sayle <roger@eyesopen.com>
1541 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1543 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1544 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1546 2006-05-30 Dirk Mueller <dmueller@suse.de>
1549 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1550 for CONSTANT_CLASS_P expresisons.
1552 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1555 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1557 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1559 PR tree-optimization/27779
1560 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1561 initial_condition instead of CHREC_LEFT.
1563 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1565 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1566 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1567 Make prototypes ISO C90.
1569 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1570 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1572 * see.c (see_analyze_one_def): Correct check.
1573 (see_get_extension_data): Check if extension is parallel.
1574 (see_get_extension_reg): Likewise.
1576 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1579 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1580 into register for (code == GTU).
1582 2006-05-29 Roger Sayle <roger@eyesopen.com>
1584 PR tree-optimization/24964
1585 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1586 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1587 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1588 abs(x)*abs(x) as x*x for scalar floating point modes.
1590 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1593 * lambda-code.c (perfect_nestify): Don't copy statements
1594 in the inner loop: move them to the inner loop header.
1596 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1599 * c-tree.texi: Document OpenMP directives and clauses.
1601 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1603 * varasm.c (globalize_decl): Fix indentation.
1605 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1608 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1609 pass_fre, pass_store_ccp, pass_copy_prop,
1610 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1611 pass_return_slot, pass_object_size, pass_lim,
1612 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1613 pass_loop_prefetch and pass_stdarg.
1615 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1617 * config/bfin/bfin.opt (mfdpic): New option.
1618 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1619 (EXTRA_MULTILIB_PARTS): Likewise.
1620 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1621 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1623 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1624 (CRT_CALL_STATIC_FUNCTION): New.
1625 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1627 (CRT_CALL_STATIC_FUNCTION): New.
1628 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1630 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1631 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1632 (initialize_trampoline): Changed to handle FD-PIC code generation.
1633 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1634 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1635 (override_options): Disallow -mid-shared-library -mfdpic combination.
1636 Can't do unaligned ops if FD-PIC.
1637 Turn off flag_pic if trying to generate non-id-shared-library
1638 non-fdpic code, since it's not supported.
1639 (bfin_assemble_integer): New function.
1640 (TARGET_ASM_INTEGER): Define.
1641 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1643 * config/bfin/crtn.s: Restore them.
1644 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1646 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1647 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1648 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1649 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1650 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1652 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1653 FDPIC_REGS and FDPIC_FPTR_REGS.
1654 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1655 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1656 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1657 (load_funcdescsi): New pattern.
1658 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1659 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1660 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1662 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1664 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1667 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1669 * tree-flow.h: Remove the prototype for add_type_alias.
1670 * tree-ssa-alias.c (add_type_alias): Remove.
1672 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1674 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1675 config/fr30/fr30.md, config/i386/i386-interix.h,
1676 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1677 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1678 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1679 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1680 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1681 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1682 Follow spelling conventions.
1683 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1684 Follow spelling conventions.
1686 2006-05-27 Richard Guenther <rguenther@suse.de>
1689 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1690 to produce a constant of value 1 of generic type.
1692 2006-05-27 Dirk Mueller <dmueller@suse.de>
1694 * cgraphunit.c (decide_is_function_needed): Fix wrong
1697 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1699 PR rtl-optimization/27661
1700 * reload.c (find_reloads): When reloading a VOIDmode constant
1701 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1702 use Pmode as mode of the reload register.
1704 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1706 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1707 is enabled at -O and above.
1709 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1712 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1715 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1718 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1719 for anonymous variables explicitly declared by front ends.
1721 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1723 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1724 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1725 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1726 ref-all pointers, run a finalization pass for them.
1727 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1728 (finalize_ref_all_pointers): New function.
1729 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1730 regular pointer type to a ref-all pointer type.
1731 (get_tmt_for): Return the special memory tag for ref-all pointers.
1733 2006-05-25 Richard Guenther <rguenther@suse.de>
1736 * fold-const.c (fold_binary): Do not look at the stripped
1737 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1739 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1741 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1742 for LT and GT if the computed range is effectively empty.
1744 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1747 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1748 mips_quad_format formats instead of ieee_single_format,
1749 ieee_double_format and ieee_quad_format formats, respectively.
1751 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1753 PR tree-optimization/27639
1754 PR tree-optimization/26719
1755 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1756 call to scev_probably_wraps_p.
1757 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1758 used_in_pointer_arithmetic_p, convert_step): Removed.
1759 (nowrap_type_p): New function.
1760 (scev_probably_wraps_p): Rewritten.
1761 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1762 chrec_convert if chrec_convert_aggressive might have been used.
1763 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1764 scev_direction): New functions.
1765 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1766 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1767 instead of convert_step.
1768 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1769 (convert_step): Declaration removed.
1770 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1772 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1774 * df-core.c: Added to header comments.
1775 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1776 df_ur_bb_info, df_urec_bb_info): Added comments.
1777 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1778 urec, ri problems): Fixed header comments.
1779 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1780 code from df_rd_transfer_function.
1782 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1784 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1785 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1786 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1788 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1790 * expr.c (undefined_operand_subword_p): New.
1791 (emit_move_multi_word): Do not generate move from undefined bits
1792 of a paradoxical subreg.
1794 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1796 PR rtl-optimization/27736
1797 * combine.c (replaced_rhs_value): New variable.
1798 (combine_instructions): Set it.
1799 (distribute_notes): When distributing a note in replaced_rhs_insn,
1800 check whether the value was used in replaced_rhs_value.
1802 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1805 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1806 add_referenced_var instead of add_referenced_tmp_var.
1807 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1808 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1810 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1811 tree_optimize_tail_calls_1): Use add_referenced_var.
1812 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1813 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1814 Use add_referenced_var.
1815 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1816 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1817 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1818 Use add_referenced_var.
1819 * tree-dfa.c (struct walk_state): Remove.
1820 (find_referenced_vars): Remove walk state and vars_found hash table.
1821 (make_rename_temp): Use add_referenced_var.
1822 (find_vars_r): Pass less parameters to add_referenced_var.
1823 (referenced_var_p): New. Is var in referenced_var hash table.
1824 (referenced_var_insert): Assert var isn't already in hash table.
1825 (add_referenced_var): Don't need walk_state parameter. Add var if it
1826 isn't already in the hash table.
1827 (add_referenced_tmp_var): Remove.
1828 (find_new_referenced_vars_1): Use add_referenced_var.
1829 * tree-ssa-pre.c (create_expression_by_pieces,
1830 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1831 Use add_referenced_var.
1832 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1833 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1834 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1836 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1837 vect_create_data_ref_ptr, vect_create_destination_var,
1838 vect_init_vector, vect_build_loop_niters,
1839 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1840 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1841 Use add_referenced_var.
1842 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1843 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1844 (add_referenced_var): Add prototype.
1845 * tree-ssa-structalias.c (get_constraint_for,
1846 intra_create_variable_infos): Use add_referenced_var.
1848 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1850 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1851 big-endian paradoxical subregs.
1852 * var-tracking.c (struct micro_operation_def): Document that,
1853 for modify micro operations, insn is the subsequent instruction.
1854 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1855 (var_reg_set, var_mem_set): ... new functions.
1856 (add_stores): Record subsequent insn.
1857 (compute_bb_dataflow): Use new functions for MO_USE.
1858 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1859 notes after the insn, and modify notes before the insn known
1860 to be the subsequent one.
1861 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1863 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1866 * config/i386/i386.c (ix86_expand_builtin): Use
1867 gen_sse3_monitor64 for TARGET_64BIT.
1869 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1871 PR rtl-optimization/26375
1872 PR rtl-optimization/26855
1873 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1875 (df_ru_bb_local_compute): Reversed statements and removed bogus
1876 comment explaining why they should be in wrong order.
1877 (df_ru_dump, df_rd_dump): Enhanced debug info.
1878 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1880 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1881 reaching uses and fixed space problem.
1883 2006-05-23 Jan Hubicka <jh@suse.cz>
1885 * cgraphunit.c (decide_is_function_needed): Also nested functions
1886 and functions declared inline can be optimized out at -O0.
1888 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1890 * doc/install.texi (Configuration): Remove reference to CrossGCC
1894 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1897 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1898 ix86_compare_emitted is non-NULL.
1900 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1903 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1906 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1908 PR rtl-optimization/25514
1909 * combine.c (replaced_rhs_insn): New variable.
1910 (combine_instructions): Set replaced_rhs_insn when trying to replace
1911 a SET_SRC with a REG_EQUAL note.
1912 (distribute_notes): Use replaced_rhs_insn when determining the live
1913 range of a REG_DEAD register.
1915 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1916 Anatoly Sokolov <aesok@post.ru>
1918 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1919 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1920 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1921 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1922 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1923 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1924 at90usb647, at90usb1286 and at90usb1287 devices.
1925 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1926 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1928 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1930 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1932 2006-05-22 Richard Guenther <rguenther@suse.de>
1935 2006-01-31 Richard Guenther <rguenther@suse.de>
1936 Paolo Bonzini <bonzini@gnu.org>
1938 * doc/install.texi (--disable-libgcc-math): Document.
1940 2006-05-22 Richard Guenther <rguenther@suse.de>
1943 2006-01-31 Richard Guenther <rguenther@suse.de>
1945 * doc/invoke.texi (-msselibm): Document.
1946 * target.h (expand_library_builtin): New target hook.
1947 * builtins.c (expand_builtin): Use expand_library_builtin.
1948 (default_expand_library_builtin): New function.
1949 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1950 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1951 (link_gcc_math_spec): Declare.
1952 (static_specs): Add link_gcc_math_spec.
1953 * expr.h (default_expand_library_builtin): Declare.
1954 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1955 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1956 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1957 * config/i386/i386.opt (msselibm): New target option.
1958 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1959 (ix86_init_sse_abi_builtins): New function.
1960 (ix86_expand_library_builtin): Likewise.
1961 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1962 (override_options): Handle error conditions wrt -msselibm.
1963 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1964 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1965 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1968 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1971 * c-common.c (self_promoting_args_p): Skip erroneous args.
1974 * c-decl.c (finish_struct): Skip erroneous fields.
1976 2006-05-22 Nick Clifton <nickc@redhat.com>
1978 * config/cris/cris.opt (march): Remove VarExists attribute.
1979 (max-stackframe=): Likewise.
1981 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1983 * doc/rtl.texi: Fix a typo.
1984 * see.c: Fix comment typos.
1986 * tree-ssa-structalias.h (alias_info): Remove num_references.
1988 2006-05-21 Mike Stump <mrs@apple.com>
1990 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1992 (darwin_pragma_options): Use BAD instead.
1993 (darwin_pragma_unused): Likewise.
1994 (darwin_pragma_ms_struct): Likewise.
1996 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1998 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2000 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2002 PR rtl-optimization/27671
2003 * simplify-rtx.c (simplify_relational_operation_1): Fix
2004 simplifications of (eq/ne (xor x y) y) and
2005 (eq/ne (xor x y) x).
2007 PR tree-optimization/26622.
2008 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2011 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2013 * tree-cfg.c: Prune whitespace.
2014 (debug_tree_cfg): Point to correct header containing the
2017 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2020 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2022 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2025 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2026 or sorry count is non zero.
2028 2006-05-20 Andreas Schwab <schwab@suse.de>
2030 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2032 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2033 Kenneth Zadeck <zadeck@naturalbridge.com>
2035 PR rtl-optimization/26855
2037 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2039 (df_scan_alloc): Added code to properly handle multiword hard
2040 registers and add all_blocks parameter.
2041 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2042 code to properly handle multiword hard registers.
2043 (df_rescan_blocks): Added code to remove deleted blocks from
2045 (df_ref_create_structure, df_ref_record): Added code to properly
2047 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2048 and set DF_REF_PARTIAL.
2049 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2050 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2051 (df_scan_add_problem): Added flags parameter.
2052 (df_ref_create_structure): Changed switching structure.
2053 (df_bb_refs_record): Fixed case where duplicate artificial refs
2054 were created. Changed location of flags.
2055 (df_record_entry_block_defs): Added code to make stack pointer
2056 live in entry block. Refined cases where frame pointer is needed.
2057 Changed location of flags.
2058 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2059 (df_set_state): Removed function.
2060 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2061 df_insn_create_insn_record, df_insn_refs_delete,
2062 df_ref_create_structure): Formatting changes.
2063 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2064 df_delete_basic_block): New function.
2065 (df_init): Changed location of flags.
2066 (df_add_problem): Added flags parameter and the way flags are
2068 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2069 debug_df_chain): Improved debugging output.
2070 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2071 (df_refs_chain_dump): Removed df parameter.
2072 (df_iterative_dataflow): Added consistency check.
2073 (df_prune_to_subcfg): Made public.
2074 (df_analyze_problem): Added blocks_to_init parameter and made
2076 (df_ref_record, df_bb_refs_record, df_mark_reg,
2077 df_record_exit_block_uses): Whitespace changes.
2078 (df_dump): Whitespace changes.
2079 * df.h: Some reordering to remove forward references.
2080 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2081 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2082 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2083 (dataflow.flags): New field.
2084 (df.flag): Deleted field.
2085 (df_alloc_function): Added additional bitmap parameter.
2086 (df_dependent_problem_function): New type.
2087 (df_problem.changeable_flags): New field.
2088 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2089 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2090 (df_mw_hardreg): New struct.
2091 (DF_INSN_UID_MWS): New macro.
2092 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2094 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2095 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2096 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2097 (df_set_state): Removed function.
2098 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2099 * df-problems.c (df_chain_dump): Removed df parameter.
2100 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2101 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2103 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2104 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2105 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2106 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2107 DF_REF_MUST_CLOBBER cases.
2108 (df_ru_bb_local_compute_process_def,
2109 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2110 df_lr_bb_local_compute, df_ur_bb_local_compute,
2111 df_chain_create_bb): Made subreg aware.
2112 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2113 df_lr_bb_local_compute, df_lr_bb_local_compute,
2114 df_chain_create_bb): Cleanup to use proper macros.
2115 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2116 code to fixup bitvectors.
2117 (df_ri_alloc): Cleared lifetime.
2118 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2119 df_create_unused_note): New function.
2120 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2121 REG_DEAD and REG_UNUSED notes as well as register information.
2122 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2123 df_chains_dump): Fixed crash if problem was never run.
2124 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2125 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2126 df_ri_add_problem): Processes flags in uniform manner.
2127 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2128 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2129 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2130 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2131 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2132 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2133 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2134 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2135 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2136 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2137 * see.c (see_initialize_data): Ditto.
2138 * final.c (rest_of_clean_state) Added regstack_completed.
2139 * rtl.h (regstack_completed): Ditto.
2140 * reg-stack.c (regstack_completed): Ditto.
2142 2006-05-19 Mike Stump <mrs@apple.com>
2144 * c-tree.h (default_conversion): Remove.
2145 * c-common.h (default_conversion): Add.
2147 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2149 * tree-vrp.c (valid_value_p): New function.
2150 (adjust_range_with_scev): Fail if the value of bound is not
2153 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2155 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2156 (mips_fallback_frame_state): Use syscall numbers to determine
2157 the appropriate li instruction for the current ABI. Only use
2158 __NR_sigreturn for o32.
2160 2006-05-19 Nicolas Setton <setton@adacore.com>
2162 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2163 * langhooks.c (lhd_dwarf_name): New function.
2164 * langhooks-def.h (lhd_dwarf_name): Declare.
2165 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2166 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2167 * ada/misc.c (gnat_dwarf_name): New function.
2168 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2170 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2172 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2174 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2175 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2176 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2177 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2178 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2179 determine the size of Wtype, etc.
2180 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2181 (swfloatfuncs): New variable.
2182 (dwfloatfuncs): Likewise.
2183 (lib2funcs): Remove floating-point conversion functions from
2184 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2185 the set of conversion routines needed. Allow entries to specify
2186 an object name, filename and word size. Update users accordingly.
2187 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2188 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2192 2006-02-08 Roger Sayle <roger@eyesopen.com>
2195 * config/fixtfdi.c: New libgcc source file.
2196 * config/fixunstfdi.c: New source file.
2197 * config/floatditf.c: New source file.
2198 * config/floatunditf.c: New souce file.
2199 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2200 files above instead of config/mips/_tilib.c.
2201 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2203 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2205 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2206 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2208 2006-05-18 Mike Stump <mrs@apple.com>
2210 Fix up vla, vm and [*] sematics.
2216 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2217 (c_vla_unspec_p): Add.
2218 (c_vla_type_p): Add.
2219 * c-decl.c (struct c_scope): Add had_vla_unspec.
2220 (build_array_declarator): Add support for [*].
2221 (grokdeclarator): Likewise.
2222 (grokparms): Likewise.
2223 (get_parm_info): Likewise.
2224 * c-objc-common.c (c_vla_unspec_p): Likewise.
2225 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2226 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2227 typeof when argument is a variably modified type not inside sizeof or alignof.
2228 (c_parser_direct_declarator_inner): Propagate errors.
2229 (c_parser_sizeof_expression): Add support for [*].
2230 (c_parser_parms_declarator): Initialize had_vla_unspec.
2231 (c_parser_parms_list_declarator): Likewise.
2232 * c-typeck.c (c_vla_type_p): Add.
2233 (composite_type): Add support for vla compositing.
2234 (comptypes_internal): Add support for vla compatibility.
2235 (c_expr_sizeof_expr): Evaluate vla arguments.
2236 * tree.c (variably_modified_type_p): Update comment for [*].
2238 2006-05-18 Michael Matz <matz@suse.de>
2241 * config.host: Make assignments to host_xmake_file cumulative.
2242 * config.host (*-darwin*): Test $host, not $target.
2244 2006-05-12 Stuart Hastings <stuart@apple.com>
2246 * config/i386/i386.opt (-mstackrealign): New flag.
2247 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2248 (ix86_handle_cconv_attribute): Emit error when
2249 force_align_arg_pointer attribute collides with too many regparms.
2250 (ix86_function_regparm): Limit regparms when used with
2251 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2252 Support stack-realigning prologue in non-main functions. Emit
2253 warning for nested functions under -mstackrealign, emit error for
2254 nested functions with force_align_arg_pointer attribute.
2255 * doc/extend.texi (force_align_arg_pointer): Document it.
2256 * doc/invoke.texi (-mstackrealign): Document it.
2258 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2260 PR rtl-optimization/27477
2261 * combine.c (try_combine): Don't split a parallel consisting
2262 of two sets into two individual sets if both sets reference
2265 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2267 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2268 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2270 * doc/options.texi (VarExists): Updated.
2272 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2274 * unwind-dw2.c: Add declarations for uw_update_context and
2276 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2277 detected, advance frame state and context once to skip over stub.
2279 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2283 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2284 Call rewrite_into_loop_closed_ssa only when something changed.
2285 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2286 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2287 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2288 Test for perfect_nest_p here. Fix formating.
2289 (replace_uses_equiv_to_x_with_y): Fix formating.
2290 (stmt_uses_op): Removed.
2291 (can_convert_to_perfect_nest): Removed loopivs parameter.
2292 Complete the test by checking the scalar dependences.
2293 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2296 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2299 From Dan Kegel <dank@kegel.com>:
2300 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2302 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2304 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2305 if the element type is variably modified without recursing.
2307 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2310 * tree-loop-linear.c (try_interchange_loops): Test for
2311 no data dependences.
2313 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2315 PR tree-optimization/27548
2316 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2317 range of ssa names that appear on abnormal edges.
2318 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2319 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2321 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2324 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2326 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2329 * tree.h (OMP_PARALLEL_COMBINED): Define.
2330 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2331 (new_omp_context): Add is_combined_parallel argument.
2332 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2333 new_omp_context caller.
2334 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2335 Adjust gimplify_scan_omp_clauses callers.
2336 (omp_is_private): Issue errors if iteration variable is firstprivate
2337 or reduction in the current context.
2338 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2339 on combined parallel workshare constructs.
2341 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2343 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2344 (gcc-options.o): New rule.
2346 * optc-gen.awk: Protect variables for gcc-options.o with
2347 #ifdef GCC_DRIVER/#endif.
2349 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2351 Fix PR tree-optimization/27373
2352 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2353 (forward_propagate_addr_expr): Update call.
2355 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2357 * doc/options.texi: Move the Negative option.
2359 2006-05-16 Richard Guenther <rguenther@suse.de>
2361 PR tree-optimization/22303
2362 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2364 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2365 ccp_fold did not simplify the statement.
2367 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2370 * Makefile.in (GCC_OBJS): New.
2371 (OBJS-common): Add opts-common.o.
2372 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2373 (cpp$(exeext)): Likewise.
2374 (gcc.o): Also depend on opts.h.
2375 (opts-common.o): New.
2377 * common.opt (gcoff): Add Negative(gdwarf-2).
2378 (gdwarf-2): Add Negative(gstabs).
2379 (gstabs): Add Negative(gstabs+).
2380 (gstabs+): Add Negative(gvms).
2381 (gvms): Add Negative(gxcoff).
2382 (gxcoff): Add Negative(gxcoff+).
2383 (gxcoff+): Add Negative(gcoff).
2384 * config/i386/i386.opt (m32): Add Negative(m64).
2385 (m64): Add Negative(m32).
2387 * doc/options.texi: Document the Negative option.
2389 * gcc.c: Include "opts.h".
2390 (main): Call prune_options after expandargv.
2392 * optc-gen.awk: Generate common declarations for all flag
2393 variables in options.c. Output the neg_index field.
2395 * opts.c (find_opt): Moved to ...
2396 * opts-common.c: Here. New file.
2398 * opts.h (cl_option): Add a neg_index field.
2400 (prune_options): Likewise.
2402 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2405 * omp-low.c (expand_omp_parallel): Don't assert
2406 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2407 instead search for it.
2410 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2413 2006-05-16 Andreas Schwab <schwab@suse.de>
2415 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2418 2006-05-15 Roger Sayle <roger@eyesopen.com>
2421 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2422 integer constants other than zero are only legitimate on TARGET_64BIT.
2423 <CONST_VECTOR> Only zero vectors are legitimate.
2424 (ix86_cannot_force_const_mem): Integral and vector constants can
2425 always be put in the constant pool.
2427 2006-05-16 DJ Delorie <dj@redhat.com>
2429 * crtstuff.c (__dso_handle): Set section from
2430 TARGET_LBIGCC_SDATA_SECTION if defined.
2431 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2432 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2434 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2437 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2440 2006-05-16 Ben Elliston <bje@au.ibm.com>
2442 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2444 2006-05-15 Per Bothner <per@bothner.com>
2446 * tree.c: (last_annotated_node): Use source_locus typedef.
2447 This permits bootstrapping with --enable-mapped-location.
2449 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2451 PR tree-optimization/26830
2452 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2453 (info_for_ssa_name, current_info_for_ssa_name_age,
2454 blocks_to_update): New variables.
2455 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2456 (clear_ssa_name_info, initialize_flags_in_bb,
2457 mark_block_for_update): New functions.
2458 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2459 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2460 prepare_def_site_for): Use mark_block_for_update.
2461 (mark_def_interesting): Assert that the processed block is marked in
2462 blocks_to_update. Do not take blocks argument.
2463 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2465 (rewrite_update_init_block, rewrite_update_stmt): Only process
2466 blocks with statements to rewrite.
2467 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2468 (update_ssa): Initialize and free blocks_to_update. Do not
2469 clear flags on statements. Do not use blocks bitmap.
2470 * tree.h (SSA_NAME_AUX): Removed.
2471 (struct tree_ssa_name): Removed aux field.
2472 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2474 2006-05-15 Richard Guenther <rguenther@suse.de>
2476 PR tree-optimization/27603
2477 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2478 Do computations in original type.
2480 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2482 * see.c: Code style changes such as redundant paranthesis,
2483 redundant intialization of local variables etc.
2484 (see_main): Declared now as static.
2485 * doc/invoke.texi: Update that -fsee is not enabled by
2488 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2490 * omp-low.c (check_omp_nesting_restrictions): New function.
2491 (scan_omp_1): Call it.
2494 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2495 construct, return *VAR.
2497 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2499 PR rtl-optimization/27406
2500 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2503 2006-05-14 Roger Sayle <roger@eyesopen.com>
2505 PR rtl-optimization/27538
2506 * combine.c (expand_compound_operation): Call gen_lowpart
2507 before calling simplify_shift_const.
2509 2006-05-14 Roger Sayle <roger@eyesopen.com>
2511 PR rtl-optimization/22563
2512 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2513 a fixed width bitfield, always force the intermediates into psuedos.
2515 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2518 * mkconfig.sh: Use operator = instead of == for test.
2520 2006-05-13 Nick Clifton <nickc@redhat.com>
2522 * dwarf2out.c (dbx_reg_number): Check return value from
2523 LEAF_REG_REMAP and only use it if it is valid.
2524 (multiple_reg_loc_descriptor): Likewise.
2526 2006-05-13 Richard Guenther <rguenther@suse.de>
2528 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2531 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2533 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2534 information attached to non-INSNs such as NOTEs.
2535 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2537 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2539 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2541 * config/s390/s390.md: Adjust comment describing On constraint.
2543 2006-05-11 Jan Hubicka <jh@suse.cz>
2545 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2546 to be output at -O0.
2548 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2551 * fold-const.c (size_binop): Move sanity check for arguments to
2552 the beginning of the function.
2555 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2558 2006-05-11 Richard Guenther <rguenther@suse.de>
2561 * fold-const.c (fold_unary): Handle intermediate conversion
2562 to a pointer type like intermediate conversion to an integer
2563 type in folding of (T1)(T2)var to var.
2564 Match the code to the comment in the final conversion for
2565 (T1)(T2)var to (T1)var regarding to type precision. Rather
2566 than disallow T1 being of pointer type, assert that both T1
2567 and var are of pointer type or not. Make sure not to fall
2568 over the frontends lazyness wrt array to pointer decay though.
2570 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2572 * arm.c (arm_struct_value_rtx): Delete.
2573 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2574 (arm_init_cumulative_args): Always initialize nregs to zero.
2576 2006-05-10 Richard Guenther <rguenther@suse.de>
2578 PR tree-optimization/27532
2579 * tree-object-size.c (plus_expr_object_size): Fix typo.
2581 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2584 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2585 ashrdi_const, ashrdi3): Use a scratch register.
2587 2006-05-10 Richard Guenther <rguenther@suse.de>
2589 PR tree-optimization/27302
2590 * fold-const.c (operand_equal_p): For two comparisons,
2591 try comparison of one comparison code swapped if that yields
2594 2006-05-10 Ben Elliston <bje@au.ibm.com>
2596 * tree-pretty-print.c (pretty_print_string): No need to handle
2597 '\0' as a special character.
2599 * tree.h: Include "hashtab.h".
2600 (iterative_hash_expr): Use hashval_t in its prototype.
2601 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2603 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2606 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2607 (hppa*64*-*-hpux11*): Ditto.
2608 (hppa[12]*-*-hpux11*): Ditto.
2610 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2613 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2615 2006-05-09 Michael Matz <matz@suse.de>
2617 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2618 host_extra_gcc_objs and host_xmake_file.
2619 (<*-*-linux*>): Don't overwrite host_xmake_file.
2620 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2621 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2622 (host_detect_local_cpu): Declare.
2623 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2624 * config/i386/i386.c (override_options): Handle -mtune=native
2626 * config/i386/x-i386: New file.
2627 * config/i386/driver-i386.c: New file.
2628 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2631 2006-05-09 Dirk Mueller <dmueller@suse.de>
2632 Richard Guenther <rguenther@suse.de>
2635 * fold-const.c (fold_read_from_constant_string): Relax check
2636 for matching types to matching modes.
2638 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2640 PR rtl-optimization/27335
2641 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2644 2006-05-08 Chao-ying Fu <fu@mips.com>
2645 Richard Sandiford <richard@codesourcery.com>
2647 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2648 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2649 * config/mips/mips.md (UNSPEC_SCC): New constant.
2650 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2651 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2652 (mips_emit_compare): Use it.
2653 (mips_expand_vcondv2sf): New function.
2655 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2657 Fix PR tree-optimization/27093
2658 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2659 renaming when they become not-used_alone.
2661 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2663 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2664 relocation and relocation stubs.
2666 2006-05-08 Eric Christopher <echristo@apple.com>
2668 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2671 2006-05-08 Jan Hubicka <jh@suse.cz>
2674 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2675 unused static functions are needed.
2677 2006-05-08 Roger Sayle <roger@eyesopen.com>
2680 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2681 of a reg_equiv_constant if the result is a legitimate constant.
2683 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2686 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2687 standard 80387 constants, raise the cost to prevent
2688 compress_float_constant() to generate load from memory.
2690 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2692 * config/arm/constraints.md (c): Fix a typo.
2694 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2697 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2700 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2702 (_mm_mwait): Likewise.
2704 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2706 (sse3_monitor): Make it 32bit only.
2707 (sse3_monitor64): New. 64bit monitor.
2709 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2712 * config/i386/i386.c (classify_argument): Skip fields with invalid
2715 2006-05-07 Richard Guenther <rguenther@suse.de>
2717 PR tree-optimization/27409
2718 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2719 Do not try to find zero-sized subvars.
2721 2006-05-07 Richard Guenther <rguenther@suse.de>
2723 PR tree-optimization/27136
2724 * tree-ssa-loop-niter.c (get_val_for): Correct function
2725 comment, assert requirements.
2726 (loop_niter_by_eval): Stop processing if the iterated
2727 value did not simplify.
2729 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2731 * opts.c (flag_see): remove its setting at -O3.
2733 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2735 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2736 * arm/constraints.md: New file.
2737 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2738 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2739 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2740 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2741 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2742 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2743 * arm.md: Include constraints.md.
2744 (thumb_movsi_insn): Use satisfies_constraint_J.
2745 (movhi, movqi): Use satisfies_constraint_I.
2747 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2749 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2750 for atmeg a645 device.
2752 2006-05-06 Richard Guenther <rguenther@suse.de>
2754 PR tree-optimization/27151
2755 * tree-vect-transform.c (vectorizable_condition): Punt on
2756 values that have a different type than the condition.
2758 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2761 * c-parser.c (c_parser_cast_expression): Only insert casts into
2762 hash table if pointer.
2763 * function.c (used_types_insert_helper): Rename from
2765 (used_types_insert): Call used_types_insert_helper.
2766 * function.h (used_types_insert): Accept only one argument.
2768 2006-05-05 David Edelsohn <edesohn@gnu.org>
2770 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2771 scratch with output modifier.
2773 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2776 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2777 with output modifier.
2779 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2782 * config/mips/mips.c (mips_symbolic_address_p): Return true
2783 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2784 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2786 2006-05-04 Richard Guenther <rguenther@suse.de>
2788 PR tree-optimization/14287
2789 PR tree-optimization/14844
2790 PR tree-optimization/19792
2791 PR tree-optimization/21608
2792 PR tree-optimization/27090
2793 * tree-ssa-pre.c (try_combine_conversion): New function.
2794 (compute_avail): After constructing the value-handle
2795 expression, use try_combine_conversion to combine NOP_EXPRs
2796 with previous value-handle expressions and use the result if it
2799 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2801 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2803 2006-05-04 Jan Hubicka <jh@suse.cz>
2806 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2808 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2810 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2811 that this only matches CONST_INTs. All users changed to VOIDmode
2814 * config/bfin/bfin.c: Include "optabs.h".
2815 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2817 (enum bfin_builtins): Add a number of fractional and vector builtins.
2818 (bfin_init_builtins): Likewise.
2819 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2820 (safe_vector_operand, bfin_expand_binop_builtin,
2821 bfin_expand_unop_builtin): New functions.
2822 (bfin_expand_builtin): Handle the new builtins.
2823 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2826 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2829 * Makefile.in (OBJS-common): Add see.o.
2830 (see.o): Add dependencies.
2831 * common.opt (fsee): New flag for the see optimization was added.
2832 * opts.c (flag_see): Initialized.
2833 * passes.c (init_optimization_passes, pass_see): New pass.
2834 * rtl.h (see_main): Declaration as extern.
2835 * timevar.def (TV_SEE): New.
2836 * tree-pass.h (pass_see): Declaration as extern.
2837 * invoke.texi (-fsee): Document.
2838 * recog.c (validate_simplify_insn): New function.
2839 * recog.h (validate_simplify_insn): Declaration as extern.
2840 * df-problems.c (df_chain_dump): Check for NULL.
2842 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2843 Daniel Berlin <dberlin@dberlin.org>
2845 * cfgrtl.c (insert_insn_bb_end_new): New function.
2846 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2848 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2850 * df.h (struct web_entry): Moved from web.c.
2851 (union_defs): Declaration as extern.
2852 (unionfind_root): Likewise.
2853 (unionfind_union): Likewise.
2854 * web.c (struct web_entry): Moved to df.h.
2855 (unionfind_root): Remove static declaration.
2856 (unionfind_union): Likewise.
2857 (union_defs): Likewise and generalize to use callback function.
2858 (web_main): Update arguments for union_defs function call.
2860 2006-05-04 Richard Guenther <rguenther@suse.de>
2862 PR tree-optimization/26447
2863 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2864 produce SSA_NAME copies before the store stmt to avoid
2865 breaking exception handling.
2867 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2870 * gimplify.c (omp_is_private): If var is shared in some outer context,
2871 return false instead of true. Stop searching on parallel context
2874 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2877 * coverage.c: Use get_gcov_unsigned_t() instead of
2878 unsigned_type_node all over.
2880 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2882 PR tree-optimization/27381
2883 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2884 maintain the same immediate_use links.
2885 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2886 node rather than segfaulting.
2888 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2891 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2892 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2893 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2895 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2897 Fix PR tree-optimization/26626
2898 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2900 * tree-ssa-operands.c (access_can_touch_variable): Allow
2901 typecasting through union pointers.
2903 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2906 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2907 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2908 to find if var will be a global variable even in the nested context.
2909 (omp_copy_decl): Only check for global variable at the end, it might
2910 be overridden in outer contexts.
2911 (scan_sharing_clauses): For global variables don't create a field.
2912 (lower_rec_input_clauses): Do nothing for global shared variables.
2913 Emit a barrier at the end of ILIST if there were any decls in both
2914 firstprivate and lastprivate clauses.
2915 (lower_send_clauses): Do nothing for global variables except for
2918 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2920 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2921 of the correct signedness is returned.
2923 2006-05-02 Jeff Law <law@redhat.com>
2925 PR tree-optimization/27364
2926 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2927 multiply expressions.
2929 2006-05-02 Tom Tromey <tromey@redhat.com>
2931 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2933 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2936 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2937 -mthumb -fPIC are used.
2939 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2940 Joshua Kinard <kumba@gentoo.org>
2943 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2944 with 64-bit pointers.
2946 2006-05-02 Paul Brook <paul@codesourcery.com>
2948 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2950 (create_fix_barrier): Check that a suitable barrier location is
2952 (arm_reorg): Include ftmp->address in allowable range of addresses.
2954 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2957 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2960 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2963 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2964 around RESULT_DECL for result passed by reference.
2965 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2966 * omp-low.c (use_pointer_for_field): Don't look at
2967 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2968 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2969 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2970 time or var for passing by reference for
2971 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2972 TREE_ADDRESSABLE variables when passing by reference.
2974 * omp-low.c (dump_omp_region): Fix output formatting.
2977 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2978 (expand_omp_parallel): Likewise.
2979 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2982 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2983 on statement list containing also constructors and destructors.
2984 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2987 * except.c (duplicate_eh_regions): Fix clearing of
2988 cfun->eh->region_array entries.
2990 2006-05-01 DJ Delorie <dj@redhat.com>
2992 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2994 (gcc_cv_objdump): Likewise.
2995 * configure: Regenerated.
2997 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3000 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3001 templates for case 3 and 4.
3003 2006-05-01 DJ Delorie <dj@redhat.com>
3005 * vec.c: Include bconfig.h when appropriate.
3006 * Makefile.in (build/vec.o): Adjust dependencies.
3007 * mkconfig.sh: Make sure config.h isn't used for build machine
3010 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3012 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3014 (mark_phi_for_rewrite): New function.
3015 (insert_phi_nodes_for, mark_use_interesting): Call
3016 mark_phi_for_rewrite.
3017 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3018 (update_ssa): Initialize and free phis_to_rewrite.
3020 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3022 PR rtl-optimization/27291
3023 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3024 folded to a constant.
3026 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3028 PR tree-optimization/27283
3029 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3030 not whole # of iteration descriptions.
3031 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3032 uses abnormal ssa name.
3033 (niter_for_single_dom_exit): Ditto.
3034 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3035 return just the number of iterations.
3037 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3039 PR tree-optimization/27144
3040 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3041 (record_estimate): Only record constant upper bound.
3042 (infer_loop_bounds_from_undefined): Call
3043 compute_estimated_nb_iterations just once.
3044 (proved_non_wrapping_p): Renamed to ...
3045 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3046 (convert_step_widening, scev_probably_wraps_p): Call
3047 n_of_executions_at_most instead of proved_non_wrapping_p.
3048 (substitute_in_loop_info): Do not replace values in bounds.
3049 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3052 2006-05-01 Richard Henderson <rth@redhat.com>
3055 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3056 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3059 2006-05-01 Roger Sayle <roger@eyesopen.com>
3061 * c-typeck.c (parser_build_binary_op): Don't call the function
3062 unsigned_conversion_warning to spot operand/result type overflow.
3063 (build_binary_op): Instead, call convert_and_check instead of
3064 convert to report the problem when the operands are promoted.
3065 * c-common.c (unsigned_conversion_warning): Make static.
3066 * c-common.h (unsigned_conversion_warning): Delete prototype.
3068 2006-05-01 Richard Guenther <rguenther@suse.de>
3070 PR tree-optimization/26726
3071 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3073 (find_interesting_uses_address): ... we work around here
3074 by folding INDIRECT_REFs in the substituted base.
3076 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3078 * omp-low.c (dump_omp_region): Add newlines.
3080 2006-04-30 Roger Sayle <roger@eyesopen.com>
3082 * common.opt (Woverflow): New command line option.
3083 * c-common.c (constant_expression_warning): Check warn_overflow.
3084 (overflow_waring): Pass OPT_Woverflow to warning.
3085 (unsigned_conversion_warning): Likewise.
3086 (convert_and_check): Likewise.
3087 * doc/invoke.texi: Document new command line option.
3089 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3091 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3092 TARGET_NO_FP_IN_TOC for section anchors.
3093 (optimization_options): Enable section anchors for all
3094 non-"Objective" languages.
3096 2006-04-28 Eric Christopher <echristo@apple.com>
3098 * config/darwin-c.c (darwin_ms_struct): Move this
3099 (darwin_set_default_type_attributes): and this...
3100 * config/darwin.c: ... here.
3101 * config/darwin.h (darwin_ms_struct): Declare.
3103 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3105 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3107 2006-04-28 Roger Sayle <roger@eyesopen.com>
3110 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3111 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3112 an unsigned HOST_WIDE_INT.
3113 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3115 (really_start_incremental_init): No need to call convert because
3116 bitsize_zero_node is already of type bitsizetype.
3117 (push_init_level): Extract the value of constructor_index as an
3118 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3119 (process_init_element): Likewise.
3121 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3123 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3124 value before passing to make_relative_prefix.
3126 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3129 * builtins.c (expand_builtin_memset): Expand val in original mode.
3131 2006-04-27 Eric Christopher <echristo@apple.com>
3133 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3134 with #ifndef/#endif.
3135 * config/darwin-c.c (darwin_ms_struct): New.
3136 (darwin_pragma_ms_struct): Ditto.
3137 (darwin_set_default_type_attributes): Ditto.
3138 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3139 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3140 Register ms_struct pragma.
3141 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3142 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3143 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3144 darwin_set_default_type_attributes if TARGET_MACHO.
3146 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3148 PR tree-optimization/26854
3149 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3150 * doc/tree-ssa.texi: Update immuse iterator documentation.
3151 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3152 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3153 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3154 first_safe_imm_use, next_safe_imm_use): Remove.
3155 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3156 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3157 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3158 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3159 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3160 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3161 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3162 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3163 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3164 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3165 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3166 (perfect_nestify): Use new iterator.
3167 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3169 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3170 (next_imm_name): New field in struct immediate_use_iterator_d.
3171 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3172 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3173 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3174 * tree-cfg.c (replace_uses_by): Use new iterator.
3175 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3176 * tree-ssa-operands.c (correct_use_link): Remove.
3177 (finalize_ssa_use_ops): No longer call correct_use_link.
3179 2006-04-27 Stuart Hastings <stuart@apple.com>
3181 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3182 * config/t-darwin (crt3.o): Use it.
3183 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3184 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3185 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3186 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3187 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3190 2006-04-27 Roger Sayle <roger@eyesopen.com>
3192 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3193 size, force the intermediate into a new pseudo rather instead of
3194 performing both a bitwise AND and a bitwise IOR in memory.
3196 2006-04-27 Richard Guenther <rguenther@suse.de>
3198 PR rtl-optimization/26685
3199 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3200 this one "max-flow-memory-locations".
3202 2006-04-27 Richard Guenther <rguenther@suse.de>
3204 PR tree-optimization/25148
3205 * tree-vrp.c (compare_values): Remove code dealing with
3206 comparisons against type min/max value. Honour overflow
3207 and negative constants in code dealing with comparisons
3208 of plus and minus expressions.
3209 (value_inside_range): Use fold_binary with LE_EXPR and
3210 GE_EXPR rather than compare_values.
3212 2006-04-27 Dirk Mueller <dmueller@suse.de>
3214 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3217 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3219 * basic-block.h (safe_insert_insn_on_edge): Removed.
3220 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3222 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3223 Paolo Bonzini <bonzini@gnu.org>
3226 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3227 (simplify_and_const_int): Same.
3229 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3231 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3233 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3236 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3237 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3238 cgraph_global_info_ready.
3241 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3244 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3245 either decl or init is error_mark_node.
3248 * tree-flow.h (struct omp_region): Add sched_kind.
3249 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3250 instead of extracting omp for data.
3251 (expand_omp_for): Save extracted sched_kind.
3253 2006-04-25 Roger Sayle <roger@eyesopen.com>
3255 * expmed.c (store_bit_field): Also check whether the bitsize is
3256 valid for the machine's "insv" instruction before moving the
3257 target into a pseudo for use with the insv.
3258 * config/i386/predicates.md (const8_operand): New predicate.
3259 * config/i386/i386.md (extv, extzv, insv): Use the new
3260 const8_operand predicate where appropriate.
3262 2006-04-25 DJ Delorie <dj@redhat.com>
3264 * doc/install.texi (Specific): Clarify that this is not a list of
3265 supported hosts or targets.
3267 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3269 PR rtl-optimization/26725
3270 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3271 block's BB_DIRTY flag.
3273 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3275 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3278 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3279 to print an integer.
3281 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3283 * varasm.c (align_variable): New function.
3284 (get_block_for_decl): Apply align_variable to DECL before
3285 calculating section information.
3286 (assemble_variable): Split out alignment computation.
3288 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3290 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3293 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3295 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3296 MODE_PARTIAL_INT mode.
3297 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3298 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3300 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3301 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3303 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3305 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3307 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3308 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3309 MACFLAG_IH): Likewise.
3310 (movstricthi_1): Renamed from "*movstricthi".
3311 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3312 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3313 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3314 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3315 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3316 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3317 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3318 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3319 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3320 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3321 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3322 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3323 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3324 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3325 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3327 * doc/rtl.texi (ss_ashift): Improve wording.
3329 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3331 * dwarf2out.c (verify_marks_clear): New.
3332 (prune_unused_types): Call verify_marks_clear initially, not
3335 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3337 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3338 * doc/rtl.texi: Document them.
3339 * simplify-rtx.c (simplify_unary_operation,
3340 simplify_binary_operation_1): Don't abort when we see them.
3342 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3345 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3346 * configure.ac: Completely disregard languages that are not
3348 * configure: Regenerated.
3350 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3351 Richard Guenther <rguenther@suse.de>
3353 PR tree-optimization/27236
3354 * tree-inline.c (copy_body_r): Make sure to copy
3355 TREE_THIS_VOLATILE flag.
3357 2006-04-24 Richard Guenther <rguenther@suse.de>
3360 * tree-complex.c (update_parameter_components): Don't handle
3361 unused parameters which have no default def.
3363 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3364 Richard Guenther <rguenther@suse.de>
3366 PR tree-optimization/27218
3367 * tree-inline.c (expand_call_inline): Strip useless type
3368 conversions for the return slot address.
3370 2006-04-24 Richard Guenther <rguenther@suse.de>
3372 * cfgloop.h (struct loops): Remove unused field array. Reorder
3374 (LOOP_PREFETCH): Remove.
3376 2006-04-24 Richard Guenther <rguenther@suse.de>
3378 PR tree-optimization/22525
3379 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3380 variable, adjust types of generated expressions.
3382 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3384 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3385 (tree-vect-patterns.o): Likewise.
3387 (cselib.o): Likewise.
3388 (loop-doloop.o): Likewise.
3389 (regclass.o): Likewise.
3390 (reload1.o): Likewise.
3391 (explow.o): Replace target.h with $(TARGET_H).
3392 (ipa-prop.o): Likewise.
3393 (ipa-cp.o): Likewise.
3394 (ipa-inline.o): Likewise.
3395 (reorg.o): Likewise.
3396 (reg-stack.o): Likewise.
3398 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3400 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3402 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3404 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3406 * configure.ac: Completely disregard languages that are not
3408 * configure: Regenerated.
3411 * c-common.h (c_build_bitfield_integer_type): Declare.
3412 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3413 * c-common.c (c_build_bitfield_integer_type): ... here.
3415 2006-04-23 Roger Sayle <roger@eyesopen.com>
3418 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3419 a SImode SUBREG of a floating point register after no_new_pseudos.
3421 2006-04-23 Roger Sayle <roger@eyesopen.com>
3423 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3424 identify potentially eliminable registers to additionally catch
3425 VIRTUAL_INCOMING_ARGS_REGNUM.
3426 (addsi3): Update the conditions on when to use addsi_small_int.
3428 2006-04-23 Roger Sayle <roger@eyesopen.com>
3431 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3432 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3433 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3435 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3437 * fold-const.c (range_predecessor): Use operand_equal_p
3438 as the predicate for equality.
3439 (range_successor): Likewise.
3441 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3444 * config/soft-fp/op-common.h: Fix a typo.
3446 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3449 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3450 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3452 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3454 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3456 * doc/tm.texi: Fix a typo.
3458 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3460 * dwarf2out.c (struct die_struct): Document that die_sib makes
3461 a circular linked list.
3462 (FOR_EACH_CHILD): New.
3463 (reverse_die_lists): Delete.
3464 (reverse_all_dies): Delete.
3465 (add_dwarf_attr): Correct documentation.
3466 (remove_child_with_prev): New.
3467 (remove_child_TAG): Update for change to die_struct, use
3468 remove_child_with_prev.
3469 (add_child_die): Update for change to die_struct.
3470 (splice_child_die): Use remove_child_with_prev and add_child_die.
3471 (print_die): Use FOR_EACH_CHILD.
3472 (die_checksum): Likewise.
3473 (assign_symbol_names): Likewise.
3474 (output_location_lists): Likewise.
3475 (build_abbrev_table): Likewise.
3476 (calc_die_sizes): Likewise.
3477 (mark_dies): Likewise.
3478 (unmark_dies): Likewise.
3479 (unmark_all_dies): Likewise.
3480 (output_die): Likewise.
3481 (prune_unused_types_mark): Likewise.
3482 (prune_unused_types_walk): Likewise.
3483 (same_die_p): Update for change to die_struct.
3484 (break_out_includes): Likewise.
3485 (prune_unused_types_prune): Likewise.
3486 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3487 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3489 (dwarf2out_finish): Don't call reverse_all_dies.
3491 2006-04-21 Eric Christopher <echristo@apple.com>
3493 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3494 in comments and function names.
3496 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3499 * c-typeck.c (digest_init): Robustify.
3501 * c-typeck.c (pop_init_level): Simplify.
3503 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3505 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3507 2006-04-21 Paul Brook <paul@codesourcery.com>
3509 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3510 hardware floating point.
3512 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3514 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3517 2006-04-21 Nick Clifton <nickc@redhat.com>
3519 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3522 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3525 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3526 C++ lang type in traceback table for Objective-C++.
3528 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3530 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3532 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3534 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3537 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3538 were errors. Remove check for erroneous objects.
3540 2006-04-20 Jeff Law <law@redhat.com>
3542 PR tree-optimization/26854
3543 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3544 checking for zero or one use.
3545 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3546 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3547 * tree-ssa-reassoc.c (negate_value): Similarly.
3548 (reassociate_bb): Similarly.
3550 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3552 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3553 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3554 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3556 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3558 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3559 fp regs if the last fp arg doesn't fit in regs.
3561 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3564 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3565 that the last insn has the REG_INC note.
3567 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3568 Nathan Sidwell <nathan@codesourcery.com>
3571 * stor-layout.c (update_alignment_for_field): Do not align
3573 (place_union_field): Place union field at the start of the union.
3574 (place_field): Move ERROR_MARK check later, and use the current
3575 allocation position to maintain monotonicity.
3577 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3579 * dominance.c: Include timevar.h.
3580 (calculate_dominance_info): Use TV_DOMINANCE.
3581 * timevar.def (TV_DOMINANCE): New timevar.
3582 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3584 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3586 PR rtl-optimization/14261
3587 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3588 move would be an INSV insn.
3589 (noce_process_if_block): Don't optimize if the destination is a
3590 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3592 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3594 * config/s390/s390.md: Add comments with the instructions emitted
3595 by an insn pattern if macros are used.
3597 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3599 PR rtl-optimization/26026
3600 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3601 is a known power of two shifted left a variable amount.
3603 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3605 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3606 to hash table twice when the debug_str section has SECTION_MERGE.
3608 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3610 * config/soft-fp: New directory. From glibc.
3611 * config/soft-fp/t-softfp: New.
3612 * config/soft-fp/README: New.
3613 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3614 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3615 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3616 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3617 * config.gcc: Use rs6000/t-fprules-fpbit or
3618 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3620 * config/rs6000/sfp-machine.h: New. Based on glibc.
3621 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3623 * config/rs6000/t-fprules: Remove fp-bit rules.
3624 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3625 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3626 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3627 (softfp_wrap_start, softfp_wrap_end): New.
3629 2006-04-18 DJ Delorie <dj@redhat.com>
3631 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3633 2006-04-18 Devang Patel <dpatel@apple.com>
3635 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3637 2006-04-18 Nick Clifton <nickc@redhat.com>
3639 * config/sh/t-symbian: Add rule to build sh-c.o
3640 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3641 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3642 (sh_symbian_encode_section_info): Likewise.
3644 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3646 * builtins.c (expand_builtin_strcmp): Cover label definition of
3647 do_libcall with HAVE_cmpstrnsi.
3649 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3651 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3653 * function.h (temp_slot_p): New.
3654 (function): Change the type of x_used_temp_slots to
3655 VEC(temp_slot_p,gc) *.
3657 2006-04-18 Nick Clifton <nickc@redhat.com>
3659 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3660 flag_strength_reduce.
3662 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3664 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3668 Partial revert of revision 112637
3669 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3670 Dale Johannesen <dalej@apple.com>
3673 * regclass.c (struct reg_pref): Update documentation.
3674 (regclass): Set prefclass to NO_REGS if memory is the best option.
3675 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3677 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3679 PR tree-optimization/26821
3680 * tree-ssa-math-opts.c (get_constant_one): New.
3681 (insert_reciprocals): Use it.
3683 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3685 * dwarf2out.c (free_AT): Delete.
3686 (remove_AT): Update string ref counts.
3687 (remove_child_TAG): Don't call free_die.
3689 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3690 or DW_TAG_GNU_EINCL.
3691 (prune_unused_types_walk_attribs): Reset string refcounts.
3692 (prune_unused_types_update_strings): New.
3693 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3694 call free_die. Do call prune_unused_types_update_strings.
3695 (prune_unused_types): Empty debug_str_hash.
3697 2006-04-17 Roger Sayle <roger@eyesopen.com>
3699 * expr.c (expand_assignment): Optimize away no-op moves where the
3700 source and destination are equal and have no side-effects.
3702 2006-04-17 Richard Guenther <rguenther@suse.de>
3705 * reload.c (push_reload): Guard calls to get_secondary_mem
3708 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3710 * alias.c (reg_base_value, old_reg_base_value): Change the
3711 type to VEC(rtx,gc) *.
3712 (REG_BASE_VALUE, find_base_value, record_set,
3713 init_alias_analysis): Use VEC instead of VARRAY.
3715 * alias.c (alias_sets): Change the type to
3716 VEC(alias_set_entry,gc) *.
3717 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3718 VEC instead of VARRAY.
3719 (last_alias_set): Remove.
3721 * cgraph.h (cgraph_edge_p): New.
3722 Update the prototype of cgraph_function_versioning.
3723 * cgraphunit.c (cgraph_copy_node_for_versioning,
3724 cgraph_function_versioning): Use VEC instead of VARRAY.
3725 * ipa-cp.c (ipcp_insert_stage): Likewise.
3727 2006-04-16 Roger Sayle <roger@eyesopen.com>
3730 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3731 "A op B" or "A op C", we may need to convert A to the type of B and C.
3733 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3735 * target.h (struct gcc_target): Add mode_rep_extended.
3736 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3737 (init_num_sign_bit_copies_in_rep): Initialize it using
3739 (truncate_to_mode): Use it.
3740 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3741 * targhooks.h (default_mode_rep_extended): Declare it.
3742 * targhooks.c (default_mode_rep_extended): Define it.
3743 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3744 default_mode_rep_extended.
3745 (TARGET_INITIALIZER): Include it.
3746 * doc/tm.texi (Misc): Document it.
3747 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3748 (mips_truncated_to_mode): New function.
3750 2006-04-16 Roger Sayle <roger@eyesopen.com>
3753 * expr.c (compress_float_constant): Copy the narrow constant into
3754 a new pseudo before extending it to its final width.
3756 2006-04-16 Roger Sayle <roger@eyesopen.com>
3757 Andrew Pinski <pinskia@gcc.gnu.org>
3758 Dale Johannesen <dalej@apple.com>
3761 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3762 special case code to implement V8HImode and V16QImode with SSE2.
3764 2006-04-15 Roger Sayle <roger@eyesopen.com>
3766 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3767 trees are constructed with a suitable tree type.
3769 2006-04-15 Roger Sayle <roger@eyesopen.com>
3771 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3772 (integer_onep): Likewise.
3773 (integer_all_onesp): Likewise.
3774 (integer_pow2p): Likewise.
3775 (integer_nonzerop): Likewise.
3776 (real_zerop): Likewise.
3777 (real_onep): Likewise.
3778 (real_twop): Likewise.
3779 (real_minus_onep): Likewise.
3780 (int_size_in_bytes): Likewise.
3781 (host_integerp): Likewise.
3783 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3785 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3786 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3787 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3789 * tree-ssa-structalias.h (alias_info): Remove num_references.
3791 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3793 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3794 (output_bvb patterns): Likewise.
3795 * pa.c (output_bb): Use 'bb' insn for long branch case.
3796 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3797 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3798 1. Correct length operand for alternatives 1 and 2.
3799 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3800 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3802 2006-04-14 Roger Sayle <roger@eyesopen.com>
3804 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3805 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3806 were accidentally reverted by r112959.
3808 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3811 * except.h (eh_region_outermost): New prototype.
3812 * except.c (eh_region_outermost): New function.
3813 * tree-cfg.c (find_outermost_region_in_block): Use it.
3815 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3817 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3819 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3820 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3821 (init_reload, reload): Use VEC instead of VARRAY.
3822 * reload.h: Update the prototype for
3823 reg_equiv_memory_loc_varray.
3825 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3826 Eric Botcazou <ebotcazou@libertysurf.fr>
3828 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3831 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3834 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3835 to expand fallback builtin function call.
3837 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3840 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3841 and emit libcall here in case the builtin fails.
3842 (expand_builtin_strcmp): Always emit the libcall here on failure.
3844 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3846 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3847 * flow.c (reg_n_info): Change the type to
3848 VEC(reg_info_p,heap) *.
3849 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3851 * regs.h (reg_info_p): New.
3852 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3853 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3854 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3857 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3859 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3861 * params.h (MAX_SCHED_READY_INSNS): New macro.
3862 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3863 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3864 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3865 the ready list for 1 cycle during the first scheduling pass.
3866 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3868 2006-04-13 Richard Henderson <rth@redhat.com>
3871 * gimple-low.c (lower_omp_directive): Remove dead code.
3872 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3873 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3874 * omp-low.c (struct omp_region): Move to tree-flow.h.
3875 (root_omp_region): Export.
3876 (omp_regions, lookup_omp_region): Remove.
3877 (determine_parallel_type): Update for struct omp_region changes.
3878 (dump_omp_region): Dump regions with block numbers.
3879 (new_omp_region): Take type and block instead of stmt; malloc
3881 (free_omp_region_1, free_omp_regions): New.
3882 (expand_parallel_call): Take entry_stmt as argument; update for
3883 changes to omp_region.
3884 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3885 (remove_exit_barriers): New.
3886 (expand_omp_parallel): Update for struct omp_region changes.
3887 (expand_omp_synch): Likewise.
3888 (expand_omp): Likewise.
3889 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3890 (expand_omp_for_static_chunk): Likewise.
3891 (expand_omp_for): Likewise.
3892 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3893 (expand_omp_sections): Similarly, with GOMP_sections_end.
3894 (expand_omp_single): New.
3895 (build_omp_regions_1): Update for OMP_CONTINUE.
3896 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3897 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3898 OMP_SECTIONS_SECTIONS.
3899 (lower_omp_single_simple): Don't emit barrier here.
3900 (lower_omp_single_copy): Likewise.
3901 (lower_omp_single): Fix bindings, and lower to straightline now.
3902 (lower_omp_master, lower_omp_ordered): Likewise.
3903 (lower_omp_critical): Likewise.
3904 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3905 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3906 omp edges, free it afterward.
3907 (make_omp_sections_edges): Remove.
3908 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3909 (move_stmt_r): Handle OMP_CONTINUE.
3910 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3911 statement pointers to basic blocks. Add type member.
3912 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3913 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3914 * tree-inline.c (estimate_num_insns_1): Likewise.
3915 * tree-pretty-print.c (dump_generic_node): Likewise.
3916 * tree-ssa-operands.c (get_expr_operands): Likewise.
3917 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3918 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3919 (OMP_CONTINUE): New.
3920 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3921 (OMP_SECTIONS_SECTIONS): Remove.
3922 (OMP_SECTION_LAST): New.
3923 (OMP_RETURN_NOWAIT): New.
3925 2006-04-13 Roger Sayle <roger@eyesopen.com>
3927 * fold-const.c (native_encode_vector, native_interpret_real):
3928 Correct obvious mistakes in the previous check-in.
3930 2006-04-13 Roger Sayle <roger@eyesopen.com>
3932 * fold-const.c (native_encode_expr): New function to encode
3933 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3934 or VECTOR_CST into a specified buffer.
3935 (native_encode_int): New function.
3936 (native_encode_real): New function.
3937 (native_encode_complex): New function.
3938 (native_encode_vector): New function.
3939 (native_interpret_expr): Inverse of native_encode_expr to convert
3940 a target representation into an INTEGER_CST, REAL_CST etc...
3941 (native_interpret_int): New function.
3942 (native_interpret_real): New function.
3943 (native_interpret_complex): New function.
3944 (native_interpret_vector): New function.
3945 (fold_view_convert_expr): New function to constant fold/evaluate
3946 a VIEW_CONVERT_EXPR of a suitable constant expression.
3947 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3948 Change call of build1 to fold_build1 when constructing a
3951 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3952 Ulrich Weigand <uweigand@de.ibm.com>
3955 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3958 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3961 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3962 optimize to lo_sum for DFmode if !TARGET_FPRS.
3964 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3966 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3967 delete_alias_info, compute_flow_sensitive_aliasing,
3968 group_aliases): Use VEC instead of VARRAY.
3969 * tree-ssa-structalias.c (update_alias_info): Likewise.
3970 * tree-ssa-structalias.h (alias_info): Change the type of
3971 processed_ptrs to VEC(tree,heap) *.
3973 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3976 * config/sh/lib1funcs.h: New file, broken out of:
3977 * config/sh/lib1funcs.asm.
3978 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3980 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3981 * config/sh/lib1funcs-Os-4-200.asm: New file.
3982 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3983 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3984 (EXTRA_MULTILIB_PARTS): Include it.
3985 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3986 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3987 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3988 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3991 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3993 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3994 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3995 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3997 * tree-ssa-live.h: Include vecprim.h.
3998 (tree_partition_associator_d): Change the type of
3999 first_partition to VEC(int,heap) *.
4000 (tpa_first_partition): Use VEC instead of VARRAY.
4002 * Makefile.in (GTFILES): Move functions.h after tree.h.
4003 * function.c (reset_block_changes, record_block_change,
4004 check_block_change, free_block_changes): Use VEC instead of
4006 * function.h (function): Change the type of
4007 ib_boundaries_block to VEC(tree,gc) *.
4008 * tree-inline.c (copy_cfg_body): Initialize
4009 ib_boundaries_block to NULL instead of (varray_type) 0.
4011 2006-04-12 Roger Sayle <roger@eyesopen.com>
4013 * expr.c (emit_group_store): Correct operand order in call to
4014 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4015 a SUBREG_BYTE of zero.
4017 2006-04-12 Richard Guenther <rguenther@suse.de>
4019 * profile.c (compute_branch_probabilities): Remove code
4020 encapsulated in !ir_type (), which are remanents of the
4021 removed RTL profiling code.
4022 * rtl-profile.c: Remove.
4024 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4026 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4027 magic NULL_RTX comment.
4028 (function_arg): Store entire fp arg to mem if any part should go
4030 (rs6000_arg_partial_bytes): Adjust for above change.
4032 2006-04-11 Roger Sayle <roger@eyesopen.com>
4034 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4035 if it hasn't been initialized by dwarf2out_init.
4037 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4039 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4040 symbolic constants in branch patterns.
4042 2006-04-11 Roger Sayle <roger@eyesopen.com>
4044 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4046 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4048 PR rtl-optimization/27073
4049 * gcse.c (try_replace_reg): Revert last change. Continue to search
4050 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4053 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4055 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4056 aggregate types other than record and union types.
4057 (function_arg): Likewise.
4058 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4060 (function_value): In 64-bit mode, return objects that require it
4063 2006-04-11 Roger Sayle <roger@eyesopen.com>
4065 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4067 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4069 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4071 2006-04-03 Jeff Law <law@redhat.com>
4074 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4075 alias information too.
4077 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4079 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4081 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4084 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4085 (premark_used_types_helper): New.
4086 (premark_used_types): New.
4087 (gen_subprogram_die): Call premark_used_types.
4088 (prune_unused_types_walk): Do not prune perennial dies.
4089 * function.c (used_types_insert): New.
4090 * function.h (struct function): Add used_types_hash field.
4091 (used_types_insert): Add prototype.
4092 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4093 * c-parser.c (c_parser_cast_expression): Save casted types in used
4096 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4099 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4100 rs6000_explicit_options.float_gprs.
4102 2006-04-10 Roger Sayle <roger@eyesopen.com>
4104 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4105 from ix86_expand_vector_init_low_nonzero. Take an additional
4106 one_var argument indicating which element is non-zero. Support
4107 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4108 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4109 with one_var instead of ix86_expand_vector_init_low_nonzero.
4111 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4113 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4114 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4115 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4116 build/genextract.o): Depend on vecprim.h.
4117 * cfglayout.c, df-problems.c, function.c, genextract.c,
4118 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4119 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4123 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4125 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4126 Declare VECs of this type.
4127 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4128 (remove_children): Delete.
4129 (add_dwarf_attr): Use VEC routines.
4130 (add_AT_flag): Update for changes to add_dwarf_attr.
4131 (add_AT_int): Likewise.
4132 (add_AT_unsigned): Likewise.
4133 (add_AT_long_long): Likewise.
4134 (add_AT_vec): Likewise.
4135 (add_AT_string): Likewise.
4136 (add_AT_die_ref): Likewise.
4137 (add_AT_fde_ref): Likewise.
4138 (add_AT_loc): Likewise.
4139 (add_AT_loc_list): Likewise.
4140 (add_AT_addr): Likewise.
4141 (add_AT_lbl_id): Likewise.
4142 (add_AT_lineptr): Likewise.
4143 (add_AT_macptr): Likewise.
4144 (add_AT_offset): Likewise.
4145 (add_AT_range_list): Likewise.
4146 (get_AT): Use VEC_iterate.
4147 (remove_AT): Use VEC_ordered_remove.
4148 (free_die): Fold remove_children into here; have it use VEC_iterate.
4149 (print_die): Use VEC_iterate on attrs.
4150 (reverse_die_lists): Don't reverse attr lists.
4151 (die_checksum): Use VEC_iterate on attrs.
4152 (same_die_p): Likewise.
4153 (output_location_lists): Likewise.
4154 (build_abbrev_table): Likewise.
4155 (size_of_die): Likewise.
4156 (unmark_all_dies): Likewise.
4157 (output_abbrev_section): Likewise.
4158 (output_die): Likewise.
4159 (prune_unused_types_walk_attribs): Likewise.
4161 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4163 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4165 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4168 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4170 2006-04-09 Roger Sayle <roger@eyesopen.com>
4172 * expr.c (store_constructor): Don't bother clearing target if
4173 we're about to assign a vector to it using vec_init_optab.
4175 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4177 * tree-ssa-alias.c (lhs_may_store_to): New function.
4178 (recalculate_used_alone): Handle LHS of calls.
4180 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4184 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4185 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4186 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4187 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4188 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4189 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4190 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4191 stubs. Add ".align 8" directives before all ".dword" directives.
4192 (GTHREAD_USE_WEAK): Revise comment.
4193 (TARGET_ATTRIBUTE_WEAK): Define.
4194 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4195 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4196 * stublib.c: New file.
4201 * pa.md (cbranch patterns): Revise arguments used in calls to
4202 output_cbranch, output_bb and output_bvd. Add long branch length
4204 (fbranch patterns): Handle long branches.
4205 (jump): Revise length check. Revise arguments for output_lbranch call.
4206 Add long branch length attributes.
4207 (decrement_and_branch_until_zero): Add long branch length attributes.
4208 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4209 Likewise. Revise arguments for output_parallel_addb and
4210 output_parallel_movb calls.
4211 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4212 output_parallel_movb and output_parallel_addb): Update prototypes.
4213 * pa.c (output_cbranch): Revise arguments. Correct handling of
4214 nullification in long branches.
4215 (output_lbranch): Add new argument to control extraction of delay
4217 (output_bb): Handle long branches.
4218 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4219 output_parallel_addb): Likewise.
4221 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4223 PR rtl-optimization/27073
4224 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4227 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4229 * tree.h (tree_memory_tag): Add old_used_alone.
4230 (SMT_OLD_USED_ALONE): New macro.
4231 * tree-ssa-alias.c (recalculate_used_alone): Stop
4232 marking things for renaming unnecessarily.
4234 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4236 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4237 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4238 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4239 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4240 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4241 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4242 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4243 spelling convensions.
4244 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4245 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4246 typos. Follow spelling conventions.
4248 2006-04-07 DJ Delorie <dj@redhat.com>
4250 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4251 passed on the stack.
4252 (m32c_init_cumulative_args): When a function returns a structure,
4253 always pass the pointer to that return area on the stack.
4254 (m32c_function_arg_advance): Don't increment the parameter number
4255 if we're processing the returned structure pointer.
4256 (pushm_info): Reverse order of registers.
4258 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4260 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4261 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4262 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4263 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4265 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4266 chrec_fold_multiply): Same.
4267 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4268 force_expr_to_var_cost): Same.
4269 * tree-mudflap.c (mf_xform_derefs_1): Same.
4270 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4272 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4274 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4275 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4278 2006-04-07 Jan Hubicka <jh@suse.cz>
4280 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4282 2006-04-07 Richard Guenther <rguenther@suse.de>
4284 PR tree-optimization/26135
4285 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4286 loads for store copy-prop.
4287 (copy_prop_visit_stmt): Likewise.
4289 2006-04-05 Robert Millan <robertmh@gnu.org>
4291 * config/i386/linux.h: Add a comment to mark macros that are
4292 being overriden in config/k*bsd-gnu.h.
4293 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4295 * config/knetbsd-gnu.h: Ditto.
4297 2006-04-06 Jan Hubicka <jh@suse.cz>
4301 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4304 2006-04-06 Mike Stump <mrs@apple.com>
4306 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4307 for HAVE_nonlocal_goto to be consistent.
4308 (expand_builtin_nonlocal_goto): Likewise.
4309 (expand_builtin_strcmp): Use #ifdef instead of #if
4310 for HAVE_cmpstrnsi to be consistent.
4312 2006-04-05 DJ Delorie <dj@redhat.com>
4314 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4317 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4319 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4320 got-relative addressing for anything but SImode.
4322 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4323 even if the calling function doesn't modify them.
4325 2006-04-05 Richard Guenther <rguenther@suse.de>
4327 PR tree-optimization/26919
4328 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4329 to cgraph_estimate_size_after_inlining.
4331 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4333 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4335 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4337 PR tree-optimization/26996
4338 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4339 VECTOR_TYPE variables.
4341 2006-04-05 Richard Guenther <rguenther@suse.de>
4343 PR tree-optimization/26763
4344 * fold-const.c (fold_comparison): Move folding of
4345 PTR + CST CMP PTR + CST ...
4346 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4348 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4350 * doc/install.texi (Prerequisites): Refine some wording on
4351 bootstrapping and ksh.
4352 Move the version numbers of DejaGnu here from the testing section
4353 and fix casing of names.
4354 Fix markup and clarify wording for autogen requirements.
4355 Refer to GCJ instead of just java.
4356 Refer to SVN instead of CVS.
4357 Describe diffutils as useful instead of necessary.
4358 (Downloading the source): Refer to SVN instead of CVS.
4359 Adjust a link to our web site accordingly.
4360 (Configuration): Fix casing of Bison.
4361 (Building): Refer to SVN instead of CVS.
4362 Fix a sentence on the use of Bison and remove duplicate (and
4363 incorrect) version number of Bison requirement.
4364 Remove one redundant list of packages needed for building.
4365 (Specific): Avoid reference to CVS.
4367 2006-04-04 Eric Christopher <echristo@apple.com>
4369 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4370 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4371 (rs6000_handle_struct_attribute): New.
4372 (rs6000_ms_bitfield_layout_p): Ditto.
4374 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4376 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4377 NULL for dso parameter to atexit_common.
4379 2006-04-04 Eric Christopher <echristo@apple.com>
4381 * config/i386/i386.c (machopic_output_stub): Output \t
4382 between instructions and operands.
4384 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4386 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4387 satisfies_constraint_[IL] to explicit tests on value.
4389 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4391 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4392 set_nb_iterations_in_loop): Use build_int_cst instead of
4394 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4395 build_int_cst instead of convert.
4397 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4399 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4400 new value 2 for incoming.
4401 * function.c (expand_function_start): Call struct_value_rtx
4403 * config/sparc/sparc.md: Comment updated_return.
4404 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4405 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4406 struct return if sparc_std_struct_return and incoming is 2.
4407 (print_operand): Do not adjust return if
4408 sparc_std_struct_return.
4410 2006-04-04 Roger Sayle <roger@eyesopen.com>
4412 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4413 convert in the middle-end.
4414 * expr.c (store_expr, store_constructor, get_inner_reference,
4415 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4417 * tree.c (build_range_type): Likewise.
4419 2006-04-04 Tom Tromey <tromey@redhat.com>
4421 * doc/install.texi (Prerequisites): Mention jar.
4423 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4425 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4428 2006-04-04 Matthias Klose <doko@debian.org>
4430 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4431 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4434 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4436 * doc/extend.texi (Function Attributes): Rewrite visibility
4437 attribute documentation.
4438 * doc/invoke.texi (C++ Dialect Options): Rewrite
4439 -fvisibility-inlines-hidden documentation to describe something
4440 entirely different, although in practise compatible.
4441 (Code Gen Options): Warn about system headers in -fvisibility=
4444 * doc/extend.texi (Other Builtins): Document that
4445 __builtin_nan is a compile-time constant only when its argument
4448 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4450 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4451 trying to remove TRUNCATE check if all bits outside the new mode
4452 are identical to the sign bit.
4454 2006-04-03 Jeff Law <law@redhat.com>
4456 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4457 and operand scanning in some common cases.
4459 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4460 Dale Johannesen <dalej@apple.com>
4463 * regclass.c (struct reg_pref): Update documentation.
4464 (regclass): Set prefclass to NO_REGS if memory is the best option.
4465 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4466 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4467 into account. For non-registers, equate an empty preferred
4468 reload class to a `!' in the constraint; move the if clause to
4469 do so after those that reject the insn.
4470 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4472 (find_dummy_reload): Likewise.
4473 * doc/tm.texi (Register Classes): Document what it means
4474 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4475 * config/i386/i386.c (ix86_preferred_reload_class): Force
4476 using SSE registers (and return NO_REGS for floating-point
4477 constants) if math is done with SSE.
4478 (ix86_preferred_output_reload_class): New.
4479 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4480 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4481 * config/i386/i386.md: Remove # register preferences.
4483 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4486 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4487 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4488 the type of nb_iter.
4489 (instantiate_parameters_1): Convert the operands before calling
4490 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4491 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4493 2006-04-02 Roger Sayle <roger@eyesopen.com>
4495 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4496 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4498 * dojump.c (do_jump): Likewise.
4499 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4500 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4501 gimplify_boolean_expr): Likewise.
4502 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4503 * varasm.c (array_size_for_constructor): Likewise.
4504 * tree-object-size.c (compute_object_offset): Likewise.
4506 2006-04-02 Roger Sayle <roger@eyesopen.com>
4509 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4510 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4512 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4514 PR tree-optimization/26939
4515 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4517 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4519 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4520 at_stmt. Convert the type of operands before calling
4521 build_polynomial_chrec.
4522 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4524 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4525 (instantiate_parameters_1): Convert the type of operands before calling
4526 build_polynomial_chrec.
4527 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4528 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4529 reset_evolution_in_loop): Insert asserts to check the types of the
4531 (chrec_type): Moved...
4532 (eq_evolutions_p): Use operand_equal_p.
4533 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4534 the types of the operands.
4535 (chrec_type): ...here.
4536 * tree-data-ref.c (create_data_ref): Convert the operands before
4537 calling chrec_replace_initial_condition.
4538 (same_access_functions, analyze_subscript_affine_affine,
4539 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4540 (compute_subscript_distance, analyze_ziv_subscript,
4541 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4542 analyze_miv_subscript): Convert the operands before calling
4543 chrec_fold_minus or chrec_fold_plus.
4545 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4547 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4548 the dependence_relations vector.
4549 (compute_data_dependences_for_loop): Adjust call to
4550 compute_all_dependences.
4552 2006-04-01 Roger Sayle <roger@eyesopen.com>
4553 Richard Henderson <rth@redhat.com>
4555 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4556 gimple_boolify on the condition before calling gimplify_expr.
4558 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4560 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4561 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4562 the frame size. Update to use the new macros.
4563 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4564 * config/xtensa/ieee754-df.S: Likewise.
4566 2006-03-31 Richard Henderson <rth@redhat.com>
4568 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4569 (make_edges): ... here. Control fallthru creation with a local
4570 variable. Do not play with fake edges.
4571 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4572 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4575 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4577 * dwarf2.h (DW64_CIE_ID): Define.
4578 * dwarf2out.c (DWARF_CIE_ID): Define.
4579 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4580 length header. Use DWARF_CIE_ID.
4581 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4582 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4584 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4586 * config/sh/linux-atomic.asm: New file.
4587 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4589 2006-03-31 DJ Delorie <dj@redhat.com>
4591 * config/m32c/cond.md: Set condition flags properly throughout.
4592 * config/m32c/minmax.md: Likewise.
4593 * config/m32c/prologue.md: Likewise.
4594 * config/m32c/bitops.md: Likewise.
4595 * config/m32c/muldiv.md: Likewise.
4596 * config/m32c/mov.md: Likewise.
4597 * config/m32c/addsub.md: Likewise.
4598 * config/m32c/m32c.md: Likewise.
4599 * config/m32c/jump.md: Likewise.
4600 * config/m32c/shift.md: Likewise.
4602 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4603 conditionally output the pattern for this.
4604 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4605 (m32c_compare_redundant): New.
4606 (m32c_output_compare): New.
4607 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4609 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4610 dest, not src. Allow other 4-byte modes.
4612 2006-03-30 Denis Chertykov <denisc@overta.ru>
4614 * doc/md.texi: Refer to avr/constraints.md instead of
4617 2006-03-30 Roger Sayle <roger@eyesopen.com>
4619 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4620 signed vs. unsigned comparison failures on some hosts.
4622 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4625 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4626 change to FLOAT_REGS.
4628 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4629 (rs6000_override_options): Use it.
4630 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4631 only for -mabi=spe/no-spe and -mabi=altivec.
4633 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4635 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4638 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4640 * Makefile.in: Rename docdir to gcc_docdir.
4642 2006-03-30 Roger Sayle <roger@eyesopen.com>
4645 * expr.c (emit_group_store): Optimize group stores into a pseudo
4646 register by using a paradoxical subreg to initialize the destination
4647 if the first or last member of the group specifies a "low part".
4649 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4652 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4653 * target.h (struct gcc_target.speculate_insn): Change type of the
4654 second parameter to 'int'.
4655 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4656 the second operand of the DEPS_LIST.
4657 (copy_DEPS_LIST_list): Update reference to the second operand of the
4659 * rtl.h (alloc_DEPS_LIST): Update signature.
4660 * sched-int.h (ds_t): Change typedef to 'int'.
4661 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4663 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4665 * haifa-sched.c (try_ready): Change condition to restore
4666 non-speculative pattern of the instruction.
4667 (process_insn_depend_be_in_spec): Code to keep probability of the
4668 speculative dependence non-decreasing.
4670 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4672 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4673 (single_move_for_movmem): ... this. Also change all uses.
4674 (bfin_expand_strmov): Renamed to...
4675 (bfin_expand_movmem): ... this. Also change all uses.
4676 * config/bfin/bfin.md (movstrsi): Renamed to...
4677 (movstrsi): ...this.
4679 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4681 PR tree-optimization/26830
4683 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4684 (copy_prop_visit_stmt): Remove write-only variable ann.
4685 (init_copy_prop): Check variable loop depth here. Do not simulate
4686 memory-tag and virtual operand PHIs except for store copy prop.
4688 2006-03-30 Richard Guenther <rguenther@suse.de>
4690 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4691 variants with double arguments.
4693 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4695 * genpreds.c (write_tm_constrs_h): Delete variable p.
4696 * genconditions.c (write_header): Add tm-constrs.h to included
4698 * genpeep.c (main): Add toplev.h to included headers.
4699 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4700 (build/genpeep.o): Add toplev.h dependency.
4701 * config/rs6000/constraints.md: Add "W" constraint.
4703 2006-03-29 Roger Sayle <roger@eyesopen.com>
4705 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4706 sizes by correctly testing whether the size fits a host integer.
4707 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4708 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4709 SImode range for the default sizetype and bitsizetype.
4711 2006-03-29 Roger Sayle <roger@eyesopen.com>
4713 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4714 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4715 quickly if the argument is already of the correct type.
4716 Call fold_build1 instead of build1. Tidy up blank lines.
4718 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4720 * genemit.c (main): Add tm-constrs.h to included headers.
4721 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4722 * genpeep.c (main): Add tm-constrs.h to included headers.
4723 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4724 (write_tm_constrs_h): this and write complete file.
4725 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4726 (write_insn_preds_c): Add tm-constrs.h to included headers.
4727 (gen_constrs): New variable.
4728 (parse_option): Parse "-c".
4729 (main): Invoke write_tm_constrs_h.
4730 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4731 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4732 (object_out_file): Add tm-constrs.h dependency.
4733 (insn-emit.o): Same.
4734 (insn-output.o): Same.
4735 (insn-peep.o): Same.
4736 (insn-preds.o): Same.
4737 (insn-recog.o): Same.
4738 (tm-constsr.h): New target.
4739 (s-constrs-h): New target.
4741 * config/rs6000/constraints.md: New file.
4742 * config/rs6000/rs6000.c: Include tm-constrs.h.
4743 (num_insn_constant_wide): Convert to satisfies_constraint.
4744 (rs6000_rtx_costs): Convert to satisfies_constraint.
4745 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4746 (CONST_OK_FOR_LETTER_P): Delete.
4747 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4748 (EXTRA_CONSTRAINT): Delete.
4749 (EXTRA_MEMORY_CONSTRAINT): Delete.
4750 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4751 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4752 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4753 satisfies_constraint.
4755 * config/i386/i386.c: Include tm-constrs.h.
4757 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4759 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4760 * tree-data-ref.c (find_data_references_in_loop,
4761 compute_data_dependences_for_loop): Use pointers to VEC.
4762 (analyze_all_data_dependences): Adjust calls.
4763 * tree-data-ref.h (find_data_references_in_loop,
4764 compute_data_dependences_for_loop): Adjust declarations.
4765 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4766 compute_data_dependences_for_loop.
4768 2006-03-29 Paul Brook <paul@codesourcery.com>
4770 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4773 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4775 PR tree-optimization/26859
4776 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4778 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4779 for the step after fold_convert.
4781 2006-03-29 Paul Brook <paul@codesourcery.com>
4783 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4784 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4786 2006-03-29 Paul Brook <paul@codesourcery.com>
4789 * targhooks.c (default_narrow_bitfield): New fuction.
4790 * targhooks.h (default_narrow_bitfield): add prototype.
4791 * target.h (gcc_target): Add narrow_volatile_bitfield.
4792 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4793 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4794 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4795 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4797 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4799 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4801 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4802 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4803 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4804 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4805 (s390_function_arg_float): Allow SDmode and DDmode values to be
4806 passed in floating point registers.
4807 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4808 check with SCALAR_FLOAT_MODE_P.
4809 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4811 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4813 PR tree-optimization/25985
4814 * tree-ssa-loop-niter.c (number_of_iterations_le,
4815 number_of_iterations_ne): Make comments more precise.
4816 (number_of_iterations_cond): Add only_exit argument. Use the
4817 fact that signed variables do not overflow only when only_exit
4819 (loop_only_exit_p): New.
4820 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4821 number_of_iterations_cond.
4823 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4825 PR tree-optimization/26643
4826 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4829 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4831 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4832 (divsi3_i4_int): Likewise.
4834 2006-03-28 Roger Sayle <roger@eyesopen.com>
4836 * expr.c (emit_group_store): Only create a new pseudo reg if the
4837 quantity it needs to hold isn't already a suitable pseudo.
4839 2006-03-28 Jeff Law <law@redhat.com>
4841 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4842 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4844 2006-03-28 Roger Sayle <roger@eyesopen.com>
4846 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4847 the equivalent ~X & Y, and the symmetry related transformations.
4848 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4849 ~X & Y, and symmetry related transforms.
4851 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4853 Revert my 2006-03-27 patches.
4855 2006-03-28 Roger Sayle <roger@eyesopen.com>
4857 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4858 ~(T1)X, when T1 and T2 are integer types of the same precision
4859 and (T2)X isn't an extension.
4861 2006-03-28 Jeff Law <law@redhat.com>
4863 PR tree-optimization/26796
4864 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4865 need EH edge cleanups rather than purging them immediately.
4866 (eliminate_degenerate_phis): Handle queued EH cleanups.
4868 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4870 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4873 2006-03-27 Roger Sayle <roger@eyesopen.com>
4876 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4877 cast BIT_NOT_EXPR operand to the correct type.
4879 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4881 * tree-loop-linear.c: Don't include varray.h.
4882 (gather_interchange_stats, try_interchange_loops,
4883 linear_transform_loops): Use VEC instead of VARRAY.
4884 * lambda-mat.c: Don't include varray.h.
4885 * tree-chrec.c: Same.
4886 * lambda-trans.c: Same.
4887 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4888 VEC instead of VARRAY.
4889 * tree-vectorizer.h: Idem.
4890 * tree-data-ref.c (dump_data_references,
4891 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4892 initialize_data_dependence_relation, finalize_ddr_dependent,
4893 compute_all_dependences, find_data_references_in_loop,
4894 compute_data_dependences_for_loop, analyze_all_data_dependences,
4895 free_dependence_relation, free_dependence_relations,
4896 free_data_refs): Idem.
4897 * tree-data-ref.h (data_reference_p, subscript_p): New.
4898 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4899 VEC instead of VARRAY.
4900 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4901 (find_data_references_in_loop, compute_data_dependences_for_loop,
4902 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4903 dump_data_dependence_relations, free_dependence_relations,
4904 free_data_refs): Adjust declaration.
4905 (lambda_transform_legal_p): Move declaration here...
4906 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4907 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4908 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4909 vect_analyze_data_refs): Use VEC instead of VARRAY.
4910 * lambda.h (lambda_transform_legal_p): ...from here.
4911 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4912 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4913 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4914 tree-chrec.o): Don't depend on VARRAY_H.
4916 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4918 * rtl.def (Copyright): Update date.
4919 (DEPS_LIST): Change type of the second operand to 'int'.
4920 * target.h (Copyright): Update date.
4921 (struct gcc_target.speculate_insn): Change type of the second parameter
4923 * lists.c (Copyright): Update date.
4924 (alloc_DEPS_LIST): Change signature. Update reference to the second
4925 operand of the DEPS_LIST.
4926 (copy_DEPS_LIST_list): Update reference to the second operand of the
4928 * rtl.h (Copyright): Update date.
4929 (alloc_DEPS_LIST): Update signature.
4930 * sched-int.h (Copyright): Update date.
4931 (ds_t): Change typedef to 'int'.
4932 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4934 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4936 * haifa-sched.c (Copyright): Update date.
4937 (try_ready): Change condition to restore non-speculative pattern
4939 (process_insn_depend_be_in_spec): Code to keep probability of the
4940 speculative dependence non-decreasing.
4942 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4944 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4945 shut up the compiler.
4947 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4949 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4950 to use lib prefix for target.
4951 ($(T)libic_invalidate_array_4-200.a): Likewise.
4952 ($(T)libic_invalidate_array_4a.a): Likewise.
4954 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4955 J"orn Rennecke <joern.rennecke@st.com>
4957 * superh.opt: New file.
4958 * sh.c (boardtype, osruntime): Remove.
4959 * superh.h (SUBTARGET_OPTIONS): Remove.
4960 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4962 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4963 arguments with ^ and/or [].
4965 * config.gcc (sh-*-*): Add quoting to account for quirk of
4967 Replace == with = in enable_incomplete_targets test.
4969 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4970 with MASK_LITTLE_ENDIAN.
4972 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4973 * config/sh/sh.opt: Added to some comments.
4974 * config/sh/superh.h: Removed some chaff.
4976 * config/sh/sh.opt: Add m4-[1234]00* options.
4977 * config/sh/sh.c (sh_handle_option): Likewise.
4978 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4979 (ic_invalidate_array_4-100.o): New rule.
4980 ($(T)libic_invalidate_array_4-100.a): Likewise.
4981 (ic_invalidate_array_4-200.o): Likewise.
4982 ($(T)libic_invalidate_array_4-200.a): Likewise.
4983 (ic_invalidate_array_4a.o): Likewise.
4984 ($(T)libic_invalidate_array_4a.a): Likewise.
4985 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4986 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4988 * config/sh/crt1.asm: Merged in profiling code.
4989 * config/sh/superh.h (STARTFILE_SPEC): Override.
4990 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4991 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4992 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4994 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4995 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4996 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4998 * sh.opt (mpretend-cmove): New option.
4999 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5000 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5001 (movsicc): Add TARGET_PRETEND_CMOVE code.
5003 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5005 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5006 s390_class_max_nregs): New function prototypes.
5007 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5008 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5009 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5010 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5012 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5014 * dwarf2out.c (add_location_or_const_value_attribute): Call
5015 tree_add_const_value_attribute if nothing else works.
5016 (reference_to_unused): New.
5017 (rtl_for_decl_init): Use reference_to_unused to decide whether
5018 to output an initializer.
5020 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5023 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5024 peephole removing spe frob_di_df_2.
5026 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5028 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5029 (subscript_dependence_tester_1): Declared.
5030 (print_dir_vectors, print_dist_vectors): New.
5031 (debug_data_dependence_relation): New.
5032 (dump_data_dependence_relation): Print more details.
5033 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5034 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5035 (save_dist_v, save_dir_v, add_outer_distances,
5036 build_classic_dist_vector_1): New.
5037 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5038 Don't test for lambda_vector_lexico_pos.
5039 (same_access_functions, add_multivariate_self_dist,
5040 add_other_self_distances, dir_from_dist): New.
5041 (build_classic_dir_vector): Replace implementation almost identical to
5042 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5044 (subscript_dependence_tester_1): New.
5045 (subscript_dependence_tester): Handle the lexicographically negative
5046 distance vectors by recomputing the dependence relation.
5047 (compute_affine_dependence): Remove parameter loop_nest_depth.
5048 (compute_self_dependence): Don't call compute_subscript_distance.
5049 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5050 Add a parameter for the loop_nest.
5051 (find_loop_nest_1, find_loop_nest): New.
5052 (compute_data_dependences_for_loop): Compute the loop nest, and give
5053 up if the nest is not well formed.
5054 * tree-data-ref.h (loop_p): New.
5055 (struct data_dependence_relation): Replace size_vect field with
5056 loop_nest, a vec of loops.
5057 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5058 (DDR_LOOP_NEST): New.
5059 (print_dir_vectors, print_dist_vectors,
5060 debug_data_dependence_relation): Declared.
5061 (index_in_loop_nest): New.
5062 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5063 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5066 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5068 * simplify-rtx.c (simplify_relational_operation): Call
5069 simplify_relational_operation_1 even if mode is VOIDmode.
5071 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5073 PR tree-optimization/26804
5074 * tree.h (DECL_CALL_CLOBBERED): New macro.
5075 (tree_decl_common): Add call_clobbered_flag.
5076 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5077 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5078 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5079 (mark_non_addressable): Ditto.
5080 * tree-ssa.c (verify_call_clobbered): New function.
5081 (verify_alias_info): Use it.
5082 * tree-pass.h (pass_reset_cc_flags): New prototype.
5083 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5084 (reset_cc_flags): New function.
5085 * passes.c (init_optimization_passes): Call reset_cc_flags after
5086 initializing referenced_vars.
5088 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5089 Roger Sayle <roger@eyesopen.com>
5092 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5093 to 1.0 for non-real operands. Implement A / A optimization for
5096 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5098 * config/i386/i386.c (size_cost): Correct the comment for
5099 cost of storing fp registers.
5100 (i386_cost): Likewise.
5101 (i486_cost): Likewise.
5102 (pentium_cost): Likewise.
5103 (pentiumpro_cost): Likewise.
5104 (k6_cost): Likewise.
5105 (athlon_cost): Likewise.
5106 (k8_cost): Likewise.
5107 (pentium4_cost): Likewise.
5108 (nocona_cost): Likewise.
5109 (generic64_cost): Likewise.
5110 (generic32_cost): Likewise.
5112 2006-03-24 Denis Chertykov <denisc@overta.ru>
5114 * config/avr/avr-protos.h (extra_constraint): Delete.
5115 (extra_constraint_Q): New declaration.
5116 * config/avr/constraints.md: New file.
5117 * config/avr/avr.md: Include it.
5118 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5119 (TMP_REGNO, ZERO_REGNO): Likewise.
5120 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5121 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5122 (extra_constraint): Delete.
5123 (extra_constraint_Q): Test for memory constraint 'Q'.
5124 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5125 (REG_CLASS_FROM_LETTER): Delete.
5126 (CONST_OK_FOR_LETTER_P): Delete.
5127 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5128 (EXTRA_CONSTRAINT): Delete.
5129 (TMP_REGNO): Delete.
5130 (ZERO_REGNO): Delete.
5132 2006-03-24 Jeff Law <law@redhat.com>
5134 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5135 directly. Call mark_new_vars_to_rename slightly earlier.
5137 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5139 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5141 (gen_compile_unit_die): Use new language types for Objective-C and
5143 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5144 DW_LANG_C_plus_plus.
5147 * config/t-darwin (crt3.o): Work around bug 26840.
5148 * config/darwin-crt3.c: Rewrite.
5149 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5151 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5153 * doc/invoke.texi: Document -femit-class-debug-always
5154 * common.opt: Add -femit-class-debug-always.
5156 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5158 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5159 index and base register.
5160 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5161 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5162 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5163 REGNO_OK_FOR_INDEX_P.
5164 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5166 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5167 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5168 REG_OK_FOR_BASE_P): Definitions removed.
5170 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5173 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5174 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5175 set yet or weren't marked as local yet.
5177 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5179 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5182 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5184 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5185 (rs6000_legitimate_small_data_p): Delete.
5186 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5187 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5188 and make static. Add forward declaration. Update uses.
5189 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5190 of offsettable_memref_p.
5191 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5192 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5194 2006-03-24 Jeff Law <law@redhat.com>
5196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5197 around bug in immediate-use iterator.
5199 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5202 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5203 or __LITTLE_ENDIAN__.
5205 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5207 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5208 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5209 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5210 * config/sh/sh.opt (mdiv=): Amend description.
5211 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5212 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5213 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5214 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5215 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5216 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5217 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5218 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5219 TARGET_DIVIDE_CALL_FP.
5221 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5223 * haifa-sched.c (choose_ready): Fix type of the local variable.
5224 Move local variables. Add comment.
5225 (check_reg_live): Change signature. Make callable from debugger.
5226 * sched-int.h (check_reg_live): Update signature.
5227 * sched-ebb.c (check_reg_live): Update parameters.
5228 * sched-rgn.c (check_reg_live): Ditto.
5229 (region_head_or_leaf_p): Check pointer before dereferencing.
5230 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5231 before reload on optimization levels below 1.
5233 2006-03-23 Richard Henderson <rth@redhat.com>
5235 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5239 * config/alpha/predicates.md (local_symbolic_operand): Reject
5242 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5245 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5246 expressions which have overflowed constants.
5248 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5250 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5252 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5254 * cfgloopmanip.c (create_loop_notes): Removed.
5255 * final.c (final_scan_insn): Do not handle loop notes.
5256 * jump.c (squeeze_notes): Ditto.
5257 * cfglayout.c (skip_insns_after_block,
5258 duplicate_insn_chain): Ditto.
5259 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5261 * cfgloop.h (create_loop_notes): Declaration removed.
5263 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5265 * varasm.c (output_constant_pool): Restore fnname and fndecl
5267 (assemble_start_function): Adjust call accordingly.
5268 (assemble_end_function): Likewise.
5270 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5273 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5276 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5278 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5281 * system.h (ICE_EXIT_CODE): New macro.
5282 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5283 (diagnostic_action_after_output): Likewise.
5284 * gcc.c (fatal_ice): New function.
5285 (execute): Use it instead of fatal.
5286 (fancy_abort): Likewise.
5287 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5289 2006-03-22 Jeff Law <law@redhat.com>
5291 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5292 iv_analyze_result returning false.
5294 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5296 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5298 2006-03-22 Richard Henderson <rth@redhat.com>
5301 * except.c (duplicate_eh_regions_0): New.
5302 (duplicate_eh_region_1): Duplicate the children of the node as
5303 well as the node itself. Link them up properly.
5304 (duplicate_eh_region_2): Merge into ...
5305 (duplicate_eh_regions): ... here. Take copy_region argument, and
5306 copy only a sub-tree if asked. Simplify copying and fixup.
5307 (eh_region_outer_p): New.
5308 * except.h (duplicate_eh_regions): Update decl.
5309 (eh_region_outer_p): Declare.
5310 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5311 (lower_omp_master): Likewise.
5312 (lower_omp_ordered): Likewise.
5313 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5314 (move_stmt_r): Use it to remap labels. Handle recursion vs
5315 remap_decls_p properly.
5316 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5317 (find_outermost_region_in_block): New.
5318 (new_label_mapper): New.
5319 (move_sese_region_to_fn): Copy eh information to the new function
5321 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5323 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5326 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5328 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5329 into shared libraries.
5331 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5333 * doc/md.texi: Refer to i386/constraints.md instead of
5335 * config/i386/constraints.md: New file, extracted from...
5336 * config/i386/predicates.md: ...here.
5337 * config/i386/i386.md: Include constraints.md.
5339 2006-03-21 Jason Merrill <jason@redhat.com>
5341 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5344 * expr.c (init_block_move_fn): Force default visibility.
5345 (init_block_clear_fn): Likewise.
5346 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5347 * targhooks.c (default_external_stack_protect_fail): Likewise.
5349 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5351 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5352 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5353 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5354 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5355 (loadgp): Use mips_current_loadgp_style.
5356 (loadgp_noshared): New pattern.
5357 (sibcall_internal): Use MIPS_CALL.
5358 (sibcall_value_internal): Likewise.
5359 (sibcall_value_multiple_internal): Likewise.
5360 (call_internal): Likewise.
5361 (call_value_internal): Likewise.
5362 (call_value_multiple_internal): Likewise.
5363 (call_split): Use MIPS_CALL and add an 'S' constraint.
5364 (call_value_split): Likewise.
5365 (call_value_multiple_split): Likewise.
5366 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5367 (-mshared): New option.
5368 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5369 (mips_current_loadgp_style): Declare.
5370 * config/mips/mips.c (mips_classify_symbol): Avoid using
5371 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5372 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5373 TARGET_ABSOLUTE_ABICALLS.
5374 (override_options): Adjust comments. Improve the warning that is
5375 issued when -mabicalls and -G are used together.
5376 (mips_file_start): Remove comment.
5377 (mips_current_loadgp_style): New function.
5378 (mips_gnu_local_gp): New variable.
5379 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5381 (mips_output_function_prologue): Use mips_current_laodgp_style.
5382 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5383 the cprestore instruction.
5384 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5385 live for TARGET_ABSOLUTE_ABICALLS.
5386 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5387 (ASM_SPEC): Pass down -mshared and -mno-shared.
5388 (MIPS_CALL): New macro.
5389 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5391 * doc/invoke.texi (-mabicalls): Update documentation.
5392 (-mshared): Document.
5394 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5396 * config/ia64/unwind-hpux.c: New file.
5397 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5399 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5402 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5404 2006-03-21 Jeff Law <law@redhat.com>
5406 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5407 type conversions of a VR_VARYING source to a wider type.
5409 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5411 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5412 tm_file on Solaris 10 and later.
5413 (sparc64-*-solaris2*): Likewise.
5414 (sparc-*-solaris2*): Likewise.
5415 * config/sol26.h: Rename to config/sol2-6.h.
5416 * config/sol2-10.h: New file.
5418 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5421 * tree-ssa-pre.c (create_component_ref_by_pieces):
5424 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5427 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5428 return it immediately.
5430 2006-03-21 Michael Matz <matz@suse.de>
5432 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5434 (remove_arc, add_arc): Update num_out_arcs member.
5435 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5437 (cache_presence): New function.
5438 (compare_states_for_equiv): New function.
5439 (state_is_differed): Don't take number of outargs, adjust callers.
5440 Use new invariant for speeding up.
5441 (init_equiv_class): Create initial classes based on sorted
5443 (partition_equiv_class): Don't track out_arcs_num.
5444 (evaluate_equiv_classes): Call cache_presence on all states and
5447 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5449 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5450 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5451 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5452 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5454 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5455 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5456 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5457 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5458 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5460 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5461 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5462 (REGNO_REG_CLASS): ARGP is in PREGS.
5463 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5465 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5466 to deal with those addresses.
5467 * addresses.h: New file.
5468 * caller-save.c: Include "addresses.h".
5469 (init_caller_save): Use new base_reg_class function.
5470 * rtl-factoring.c: Include "addresses.h".
5471 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5472 * recog.c: Include "addresses.h".
5473 (preprocess_constraints): Use new base_reg_class function.
5474 * regrename.c: Include "addresses.h".
5475 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5476 functions. Keep track of a new var INDEX_CODE to compute valid
5478 (replace_oldest_value_addr): Likewise.
5479 (replace_oldest_value_mem): Use base_reg_class.
5480 * reload.c: Include "addresses.h".
5481 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5482 (find_reloads): Use new base_reg_class function.
5483 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5484 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5485 all callers and prototype changed.
5486 * reload1.c: Include "addresses.h".
5487 (maybe_fix_stack_asms): Use base_reg_class.
5488 * regclass.c: Include "addresses.h".
5489 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5490 (init_reg_autoinc): Use new base_reg_class function.
5491 (record_reg_classes): Likewise.
5492 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5493 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5494 Use new args to compute necessary class.
5496 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5497 regrename.o, rtl-factoring.o): Update dependencies.
5498 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5499 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5500 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5501 REG_OK_FOR_INDEX_P): Delete documentation.
5503 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5505 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5506 from V7 to V9 for Solaris 7 and above.
5508 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5510 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5511 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5512 argument pointers may not alias any other storage.
5513 * common.opt: Define option -fargument-noalias-anything.
5514 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5515 alias semantics is specified by flag_argument_noalias > 2.
5517 2006-03-20 Jeff Law <law@redhat.com>
5519 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5520 (pass_phi_only_cprop): Declare.
5521 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5523 * tree-ssa-dom.c (degenerate_phi_result): New function.
5524 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5525 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5526 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5527 (eliminate_degenerate_phis): Likewise.
5528 (pass_phi_only_cprop): New pass descriptor.
5529 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5530 support code. Callers updated.
5531 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5532 (store_copy_prop): Likewise.
5533 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5535 2006-03-20 Jason Merrill <jason@redhat.com>
5538 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5539 (push_visibility, pop_visibility): Likewise.
5540 * c-pragma.h: Declare them.
5542 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5544 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5546 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5547 parameter and use get_ebb_head_tail.
5548 (sh_md_init_global): Adjust uses of find_regmode_weight.
5550 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5552 * function.h (struct function) <x_tail_recursion_reentry>:
5553 Rename to x_stack_check_probe_note.
5554 (tail_recursion_reentry): Rename to stack_check_probe_note.
5555 * function.c: Replace tail_recursion_reentry with
5556 stack_check_probe_note everywhere.
5557 (expand_function_start): Only emit a note for
5558 stack_check_probe_note with -fstack-protect.
5559 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5561 * emit-rtl.c (remove_unnecessary_notes): Remove.
5562 (pass_remove_unnecessary_notes): Remove.
5563 * rtl.h (remove_unnecessary_notes): Remove prototype.
5564 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5565 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5566 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5568 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5571 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5572 (valid_in_set): Handle ARRAY_REF.
5573 Change "if min_variant or VH" to asserts.
5574 (create_component_ref_by_pieces): Handle ARRAY_REF.
5575 (create_expression_by_pieces): Likewise.
5576 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5578 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5580 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5581 is operand of switch, not str[0].
5583 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5585 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5586 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5588 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5590 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5591 end of insn_extra_address_constraint declaration.
5593 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5595 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5596 (no-sum-in-toc): Same.
5597 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5599 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5600 NO_FP_IN_TOC for -fPIC instead of mask.
5602 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5603 (BOOT_LDFLAGS): Delete.
5605 * config/rs6000/t-aix52: Same.
5607 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5608 (stmsi[345678]_power): New.
5610 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5612 * config/ia64/ia64.opt: Add empty line to end of file.
5614 2006-03-17 Richard Guenther <rguenther@suse.de>
5617 * builtins.c (get_pointer_alignment): For component style references
5618 adjust alignment to the component type alignment. Make sure
5619 to adjust alignment for component access of constants.
5621 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5623 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5626 2006-03-17 Paul Brook <paul@codesourcery.com>
5628 * doc/install.texi: Docuemnt --with-mode.
5629 * config.gcc: Add --with-mode for arm*-*-*.
5630 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5632 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5634 * sh.c (max_labelno_before_reorg): New variable.
5635 (sh_reorg): Initialize it.
5636 (find_barrier): Check max_labelno_before_reorg before using
5637 label_to_alignment. Take length of explicit alignment insns
5638 into account. When seeing a UNSPECV_CONST_END, return it.
5640 * sh.c (fixup_mova): Set mode of affected label to QImode.
5641 (untangle_mova): New function.
5642 (find_barrier): Use it. Check mode of label before decrementing
5644 (sh_reorg): Likewise.
5645 Set mode of all insns back to VOIDmode.
5647 * sh.c (MOVA_LABELREF): New macro.
5648 (mova_p, fixup_mova, sh_reorg): Use it.
5649 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5650 ADDR_DIFF_VEC matches mova.
5652 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5654 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5655 with ATTRIBUTE_UNUSED.
5657 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5659 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5660 pointer, instead of assuming it is possible to derive the
5661 correct args size from a call insn.
5663 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5665 * rtl.h (CONST_INT_P): Define.
5666 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5667 instead of GET_CODE(x) == CONST_INT.
5668 (vax_rtx_costs): Likewise.
5669 (vax_output_int_move): Likewise.
5670 (vax_output_int_add): Likewise.
5671 (legitimate_constant_address_p): Likewise.
5672 (index_term_p): Likewise.
5673 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5674 * config/vax/vax.md (and<mode>3): Likewise.
5675 (ashrsi3): Likewise.
5677 (movstricthi): Likewise.
5678 (movstrictqi): Likewise.
5679 (rotrsi3): Likewise.
5680 (five unnamed insns): Likewise.
5682 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5684 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5685 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5686 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5687 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5688 Pass to ASM_OUTPUT_DWARF_OFFSET.
5689 * dwarf2out.c (debug_frame_section): New.
5690 (output_call_frame_info): Use debug_frame_section. Pass it to
5691 dw2_asm_output_offset.
5692 (output_die): Pass appropriate section to dw2_asm_output_offset.
5693 (output_compilation_unit_header): Likewise.
5694 (output_pubnames): Likewise.
5695 (output_aranges): Likewise.
5696 (enum dw_val_class): Break dw_val_class_lbl_offset into
5697 dw_val_class_lineptr and dw_val_class_macptr.
5698 (add_AT_lbl_offset): Delete.
5699 (add_AT_lineptr): New.
5700 (add_AT_macptr): New.
5701 (AT_lbl): Expect a lineptr or macptr.
5702 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5703 (attr_checksum): Likewise.
5704 (same_dw_val_p): Likewise.
5705 (size_of_die): Likewise.
5706 (value_format): Likewise.
5707 (output_die): Likewise.
5708 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5710 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5711 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5712 * config/darwin-protos.h (darwin_file_start): New.
5713 (darwin_asm_output_dwarf_offset): New.
5714 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5715 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5717 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5718 if not EH section; simplify.
5719 (darwin_file_start): New.
5720 (darwin_asm_output_dwarf_offset): New.
5721 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5723 (DEBUG_INFO_SECTION): Likewise.
5724 (DEBUG_ABBREV_SECTION): Likewise.
5725 (DEBUG_ARANGES_SECTION): Likewise.
5726 (DEBUG_MACINFO_SECTION): Likewise.
5727 (DEBUG_LINE_SECTION): Likewise.
5728 (DEBUG_LOC_SECTION): Likewise.
5729 (DEBUG_PUBNAMES_SECTION): Likewise.
5730 (DEBUG_STR_SECTION): Likewise.
5731 (DEBUG_RANGES_SECTION): Likewise.
5732 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5733 (ASM_OUTPUT_DWARF_OFFSET): New.
5735 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5737 * config.gcc (tm_defines): Always add to previous value rather
5740 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5742 * config/mips/predicates.md (splittable_const_int_operand): New,
5743 split from move_operand.
5744 (splittable_symbolic_operand): New.
5745 (move_operand): Add commentary. Use splittable_const_int_operand.
5746 Inline mips_atomic_symbolic_constant_p.
5747 * config/mips/mips.md: Add combine splitters for handling moves
5748 of splittable_const_int_operands and splittable_symbolic_operands.
5749 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5750 (mips_split_symbol): Declare.
5751 (mips_move_integer): Declare.
5752 * config/mips/mips.c (mips_split_p): Make global.
5753 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5754 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5755 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5756 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5757 (mips_offset_within_object_p): Handle block symbols.
5758 (mips_atomic_symbolic_constant_p): Delete.
5759 (mips_cannot_force_const_mem): Return false for constants that
5760 mips_legitimize_move can handle.
5761 (mips_use_blocks_for_constant_p): New function.
5762 (mips_split_symbol): Make global.
5763 (mips_move_integer): Likewise. Add a temporary register argument.
5764 (mips_legitimize_const_move): Use splittable_const_int_operand and
5765 splittable_symbolic_operand.
5766 (mips_use_anchors_for_symbol_p): New function.
5767 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5768 (mips_split_p): Declare.
5770 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5772 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5773 (mips*-*-linux*): Likewise.
5775 2006-03-16 Roger Sayle <roger@eyesopen.com>
5776 Daniel Speyer <dspeyer@wam.umd.edu>
5779 * tree-dump.c (dump_real): New function.
5780 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5781 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5782 (tree-dump.o): Add $(REAL_H) to the dependencies.
5784 2006-03-16 Roger Sayle <roger@eyesopen.com>
5787 * real.c (real_from_string): If the mantissa is zero, don't bother
5788 parsing the exponent as the result should always be zero.
5790 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5792 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5794 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5796 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5797 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5798 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5799 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5800 ia64_sched_finish_global): New static functions to implement
5801 hooks from gcc_target.sched.
5802 (spec_check_no, max_uid, pending_data_specs): New static variables.
5803 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5804 ia64_spec_check_src_p): New static functions.
5805 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5806 (TARGET_SCHED_ADJUST_COST): Removed.
5807 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5808 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5809 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5810 TARGET_SCHED_GEN_CHECK,
5811 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5812 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5813 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5814 Fixed to handle speculation checks.
5815 (rtx_needs_barrier): Fixed to handle speculative loads and
5817 (ia64_variable_issue): Added code to count speculative loads and their
5819 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5821 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5823 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5825 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5826 (ia64_reorg): Reset stops_p to NULL after it is freed.
5827 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5828 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5829 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5831 (data_speculative, control_speculative, check_load): New attributes.
5832 (mov<mode>_advanced, mov<mode>_speculative,
5833 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5834 zero_extend<mode>di2_speculative,
5835 zero_extend<mode>di2_speculative_advanced): New patterns for
5836 data and control speculative loads.
5837 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5839 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5840 New pattern for data and control speculation checks.
5841 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5842 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5843 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5844 Auxiliary definitions for the patterns.
5845 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5846 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5848 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5850 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5851 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5852 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5853 New resource constraints.
5854 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5856 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5857 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5858 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5859 msched-in-control-spec, msched-ldc, msched-control-ldc,
5860 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5861 msched-prefer-non-control-spec-insns,
5862 msched-count-spec-in-critical-path): New flags to tune speculative
5864 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5865 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5866 msched-in-control-spec, msched-ldc, msched-control-ldc,
5867 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5868 msched-prefer-non-control-spec-insns,
5869 msched-count-spec-in-critical-path): Document new flags.
5871 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5873 * target.h (struct spec_info_def): New opaque declaration.
5874 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5875 speculate_insn, needs_block_p, gen_check,
5876 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5877 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5878 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5879 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5880 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5881 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5883 (TARGET_SCHED): Use new macros.
5884 * rtl.h (copy_DEPS_LIST_list): New prototype.
5885 * sched-int.h (struct sched_info): Change signature of new_ready field,
5886 adjust all initializations. New fields: add_remove_insn,
5887 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5888 region_head_or_leaf_p.
5889 (struct spec_info_def): New structure declaration.
5890 (spec_info_t): New typedef.
5891 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5892 recovery_block, orig_pat.
5893 (glat_start, glat_end): New variables declaraions.
5894 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5896 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5897 DETACH_LIFE_INFO, USE_GLAT.
5898 (enum SPEC_SCHED_FLAGS): New enumeration.
5899 (NOTE_NOTE_BB_P): New macro.
5900 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5901 attach_life_info, debug_spec_status, check_reg_live): New functions.
5902 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5903 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5905 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5906 * ddg.c (get_block_head_tail): Adjust all uses.
5907 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5908 (sms_sched_info): Initialize new fields.
5909 (contributes_to_priority): Removed.
5910 * haifa-sched.c (params.h): New include.
5911 (get_block_head_tail): Adjust all uses.
5912 (ISSUE_POINTS): New macro.
5913 (glat_start, glat_end): New global variables.
5914 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5915 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5916 old_last_basic_block, before_recovery, current_sched_info_var,
5917 rgn_n_insns, luid): New static variables.
5918 (insn_cost1): New function. Move logic from insn_cost to here.
5919 (find_insn_reg_weight1): New function. Move logic from
5920 find_insn_reg_weight to here.
5921 (reemit_notes, move_insn, max_issue): Change signature.
5922 (move_insn1): Removed.
5923 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5924 extend_bb): New static functions to support extension of scheduler's
5926 (generate_recovery_code, process_insn_depend_be_in_spec,
5927 begin_speculative_block, add_to_speculative_block,
5928 init_before_recovery, create_recovery_block, create_check_block_twin,
5929 fix_recovery_deps): New static functions to support
5930 generation of recovery code.
5931 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5932 restore_bb_notes, move_block_after_check, move_succs): New static
5933 functions to support ebb scheduling.
5934 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5935 functions to support handling of register live information.
5936 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5937 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5938 add_jump_dependencies): New static functions.
5939 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5940 consistancy checking.
5941 (debug_spec_status): New function to call from debugger.
5942 (priority): Added code to handle speculation checks.
5943 (rank_for_schedule): Added code to distinguish speculative instructions.
5944 (schedule_insn): Added code to handle speculation checks.
5945 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5946 Fixed to handle ebbs.
5947 (move_insn): Added code to handle ebb scheduling.
5948 (max_issue): Added code to use ISSUE_POINTS of instructions.
5949 (choose_ready): Added code to choose between speculative and
5950 non-speculative instructions.
5951 (schedule_block): Added code to handle ebb scheduling and scheduling of
5952 speculative instructions.
5953 (sched_init): Initialize new variables.
5954 (sched_finish): Free new variables. Print statistics.
5955 (try_ready): Added code to handle speculative instructions.
5956 * lists.c (copy_DEPS_LIST_list): New function.
5957 * sched-deps.c (extend_dependency_caches): New function. Move logic
5958 from create_dependency_caches to here.
5959 (get_dep_weak, ds_merge): Make global.
5960 * genattr.c (main): Code to output prototype for
5961 dfa_clear_single_insn_cache.
5962 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5963 (output_dfa_clean_insn_cache_func): Code to output
5964 dfa_clear_single_insn_cache function.
5965 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5967 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5969 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5970 New static variables.
5971 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5972 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5974 (ebb_sched_info): Initialize new fields.
5975 (get_block_head_tail): Adjust all uses.
5976 (compute_jump_reg_dependencies): Fixed to use glat_start.
5977 (schedule_ebb): Code to remove unreachable last block.
5978 (schedule_ebbs): Added code to update register live information.
5979 * sched-rgn.c (region_sched_info): Initialize new fields.
5980 (get_block_head_tail): Adjust all uses.
5981 (last_was_jump): Removed. Adjust users.
5982 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5983 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5984 Implement new hooks.
5985 (check_dead_notes1): New static function.
5986 (struct region): New fields: dont_calc_deps, has_real_ebb.
5987 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5988 (BB_TO_BLOCK): Fixed to handle EBBs.
5989 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5990 (ebb_head): New static variable.
5991 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5992 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5994 (compute_dom_prob_ps): New assertion.
5995 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5996 global_live_at_start.
5997 (init_ready_list): New assertions.
5998 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5999 (new_ready): Add support for BEGIN_CONTROL speculation.
6000 (schedule_insns): Fixed code that updates register live information
6002 (schedule_region): Fixed to handle EBBs.
6003 (init_regions): Use extend_regions and check_dead_notes1.
6004 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6005 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6006 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6007 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6008 TARGET_SCHED_GEN_CHECK,
6009 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6010 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6011 * doc/invoke.texi (max-sched-insn-conflict-delay,
6012 sched-spec-prob-cutoff): Document.
6014 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6016 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6017 inter_tick, queue_index.
6018 (struct sched_info): Change signature of init_ready_list field.
6019 Adjust all initializations.
6020 (RESOLVED_DEPS): New access macro.
6021 (ready_add): Remove prototype.
6022 (try_ready): Add prototype.
6023 * sched-rgn.c (init_ready_list): Use try_ready.
6024 (schedule_region): Initialize
6025 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6026 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6027 (init_ready_list): Use try_ready.
6028 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6029 * lists.c (remove_list_elem): Remove `static'.
6030 (remove_free_INSN_LIST_elem): New function.
6031 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6032 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6033 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6035 (readyp): New variable.
6036 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6037 change_queue_index, resolve_dep): New static functions.
6038 (try_ready): New function. Adjust callers in sched-rgn.c and
6039 sched-ebb.c to use it instead of ready_add.
6040 (clock_var): Move at the begining of file.
6041 (rank_for_schedule): Fix typo.
6042 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6043 (ready_lastpos): Enforce assertion.
6044 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6046 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6047 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6048 (queue_to_ready): Use free_INSN_LIST_list.
6049 (early_queue_to_ready): Fix typo.
6050 (schedule_block): Init readyp. Move init_ready_list call after the
6051 initialization of clock_var. Fix error in rejecting insn by
6052 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6053 that previously corrected INSN_TICKs. Add code for handling
6055 (set_priorities): Fix typo.
6056 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6057 Clarify comment and code that keeps current_sched_info->next_tail
6060 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6062 * sched-rgn.c (extend_rgns): New static function.
6063 (find_rgns): Use it.
6064 (gather_region_statistics, print_region_statistics): New static
6066 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6067 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6069 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6070 Andrey Belevantsev <abel@ispras.ru>
6072 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6073 * lists.c (unused_deps_list): New variable.
6074 (free_list): Add assertions to verify the proper distinguishing
6075 between INSN_LISTs and DEPS_LISTs.
6076 (find_list_elem, remove_list_elem, remove_list_node): New static
6078 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6079 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6080 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6081 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6083 (free_INSN_LIST_node): Likewise.
6084 * modulo-sched.c (current_sched_info): Initialize flags field.
6085 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6086 * rtl.def (DEPS_LIST): Define.
6087 * rtl.h: Declare new functions from lists.c.
6088 * sched-deps.c (spec_dependency_cache): New static variable.
6089 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6090 (add_dependence): Change return type to void. Move the logic to ...
6091 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6092 (delete_all_dependences): Add comment about forward_dependency_cache.
6093 Handle spec_dependency_cache. Handle DEPS_LISTs.
6094 (fixup_sched_groups): Clarify the change of priority of output
6095 and anti dependencies.
6096 (sched_analyze_2): Adjust add_dependence calls to create data
6097 speculative dependence.
6098 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6099 Adjust all callers. Handle DEPS_LISTS.
6100 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6101 presence of speculation.
6102 (init_dependency_caches, free_dependency_caches):
6103 Handle spec_dependency_cache.
6104 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6105 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6106 New static functions.
6107 (add_or_update_back_dep, add_or_update_back_forw_dep,
6108 add_back_forw_dep, delete_back_forw_dep): New functions.
6109 * sched-int.h (ds_t, dw_t): New typedefs.
6110 (struct sched_info): Add new field flags.
6111 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6112 Prototype new sched-deps.c functions.
6113 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6114 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6115 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6116 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6117 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6118 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6120 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6122 * sched-rgn.c (current_sched_info): Initialize flags field.
6123 (schedule_insns): Initialize current_sched_info before the sched_init
6125 * sched-ebb.c (current_sched_info): Initialize flags field.
6126 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6127 Call add_or_update_back_dep instead of add_dependence.
6128 Create control speculative dependencies.
6129 (schedule_insns): Initialize current_sched_info before the sched_init
6132 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6134 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6136 (sh_fallback_frame_state): Likewise.
6138 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6140 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6141 Do switch on default_use_cxa_atexit.
6142 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6143 * config/darwin-crt3.o: New.
6144 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6145 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6146 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6148 * config/rs6000/t-darwin: Move crt2.o building to here.
6149 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6150 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6153 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6155 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6156 from '! xxx' to '!xxx' for coding-style conformance.
6157 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6158 (EXTRA_CONSTRAINT): Likewise.
6159 * config/vax/vax.md (four unnamed insns): Likewise.
6161 2006-03-15 Paul Brook <paul@codesourcery.com>
6163 * config/arm/arm.c (minipool_pad): New.
6164 (add_minipool_forward_ref): Include pool alignment padding in address
6166 (push_minipool_fix): Set minipool_pad.
6167 (minipool_pad): Ditto.
6169 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6171 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6172 instead of GET_CODE() == MEM and REG_P() instead of
6174 (print_operand_address): Likewise.
6175 (vax_address_cost): Likewise.
6176 (vax_rtx_costs): Likewise.
6177 (vax_notice_update_cc): Likewise.
6178 (vax_output_int_add): Likewise.
6179 (INDEX_REGISTER_P): Likewise.
6180 (BASE_REGISTER_P): Likewise.
6181 (nonindexed_address_p): Likewise.
6182 (vax_mode_dependent_address_p): Likewise.
6183 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6184 (PRINT_OPERAND): Likewise.
6185 * config/vax/vax.md (ashlsi3): Likewise.
6186 (ashlsi3): Likewise.
6187 (some more unnamed insns): Likewise.
6189 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6191 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6192 iterator-style macro.
6193 (mark_control_dependent_edges_necessary): Update the use of
6194 EXECUTE_IF_CONTROL_DEPENDENT.
6196 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6198 * config/sh/predicates.md (cache_address_operand): Special.
6199 (ua_address_operand): Likewise.
6201 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6203 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6205 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6207 2006-03-15 Andreas Schwab <schwab@suse.de>
6209 * gensupport.c (identify_predicable_attribute): Don't free p_false
6210 when it is still in use.
6212 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6214 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6215 the default setting here.
6217 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6219 * tree-pass.h (pass_cfg): Remove.
6220 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6221 * passes.c (pass_cfg): Don't run it.
6223 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6225 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6226 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6228 (stack_regs_mentioned): Update the uses of
6229 stack_regs_mentioned_data. Don't access the array beyond its
6231 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6232 Don't include gt-reg-stack.h.
6234 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6235 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6237 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6240 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6243 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6245 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6247 2006-03-14 Richard Guenther <rguenther@suse.de>
6249 PR tree-optimization/26672
6250 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6253 2006-03-14 Richard Guenther <rguenther@suse.de>
6255 PR tree-optimization/26667
6256 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6257 node for the callees. Always allow inlining if it will shrink
6260 2006-03-14 Richard Guenther <rguenther@suse.de>
6263 * builtins.c (get_pointer_alignment): Prefer alignment
6264 information from decls over that from types.
6266 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6269 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6271 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6273 * config/rs6000/rs6000.opt (mdlmzb): New option.
6274 (msched-prolog, msched-epilog): Use Var not Mask.
6275 * doc/invoke.texi (-mdlmzb): Document.
6276 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6278 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6279 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6281 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6283 PR rtl-optimization/25739
6284 * bt-load.c (augment_live_range): Free tos pointer.
6286 * gensupport.c (identify_predicable_attribute): Free
6288 * gcov.c (create_file_names): Free name pointer.
6290 2006-03-13 Roger Sayle <roger@eyesopen.com>
6293 * stmt.c (emit_case_nodes): Handle the case where the index is a
6294 CONST_INT, where the comparison mode is specified by the index type.
6296 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6298 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6301 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6303 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6304 (*branch_fp_inverted): Likewise.
6306 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6309 * omp-low.c (expand_omp_for_generic): Mark istart0
6310 and iend0 as addressable.
6312 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6314 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6316 2006-03-13 Jeff Law <law@redhat.com>
6318 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6319 virtual operands are interesting.
6320 (vrp_visit_stmt): Corresponding changes.
6322 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6324 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6326 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6327 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6328 * config/bfin/crti.S: Use it instead of __PIC__.
6329 * config/bfin/crtn.S: Likewise.
6331 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6332 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6334 Lose 'G' modifier for call operand.
6335 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6336 recognize 'G' modifier.
6338 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6341 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6342 * stmt.c (expand_case): Likewise.
6344 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6346 PR rtl-optimization/26254
6347 * loop-invariant.c (seq_insns_valid_p): New function.
6348 (move_invariant_reg): Only emit new code if it is valid.
6350 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6352 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6354 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6355 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6356 (commit_one_edge_insertion): Do not look for loop notes.
6358 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6360 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6361 flag_test_coverage out of loop.
6363 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6365 * final.c (shorten_branches): Remove outdated comment, and turn
6366 the if branch that guards it to continue.
6368 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6370 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6371 * cfgloop.h (struct loop): Remove unused fields.
6373 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6375 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6376 (-dL, -fdump-rtl-loop2): Update the dump file names
6378 * doc/invoke.texi: Update dump file names.
6380 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6382 * predict.c (estimate_probability): Remove.
6383 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6384 * basic-block.h (estimate_probability): Remove prototype.
6385 * passes.c (finish_optimization_passes): Dump branch prediction or
6386 profiling heuristics to the .profile tree dump.
6387 (init_optimization_passes): Unqueue pass_branch_prob.
6389 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6391 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6393 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6394 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6396 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6398 * function.h (frame_offset_overflow): Declare.
6399 * function.c (frame_offset_overflow): New function.
6400 (assign_stack_local_1): Call it to detect that the offset overflows.
6401 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6403 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6405 * config/sh/sh.c: Include alloc-pool.h.
6406 (label_ref_list_pool): New alloc pool.
6407 (label_ref_list_t): New type for lists of labels.
6408 (struct pool_node): Make wend a label_ref_list_t.
6409 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6411 (dump_table): Likewise.
6412 (sh_reorg): Set up the alloc pool before using add_constant and
6413 dump_table, and destroy it when finishing.
6415 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6417 * config/mips/mips.c: Remove redundant comment.
6419 2006-03-10 Jason Merrill <jason@redhat.com>
6422 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6423 the target was declared 'register'.
6425 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6427 * genpreds.c (write_insn_constraint_len): Change definition of
6428 insn_constraint_len to return size_t to match the declaration.
6430 2006-03-10 DJ Delorie <dj@redhat.com>
6432 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6434 (m32c_expand_insv): Fix test for an AND mask.
6436 2006-03-10 Richard Guenther <rguenther@suse.de>
6439 * builtins.c (get_pointer_alignment): Handle component
6440 references for field alignment.
6442 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6444 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6445 when building with libgloss.
6446 (sh*elf): Implement --without-fp option.
6447 (sh64-superh-linux*): Don't multilib.
6449 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6451 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6453 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6455 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6456 Set it when one of the replacement functions returned true.
6457 Return TODO_cleanup_cfg if cfgchanged is true.
6458 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6460 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6462 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6463 instead of gen_lowpart.
6465 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6467 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6469 (mips_output_order_conditional_branch): Declare.
6470 * config/mips/mips.h (MIPS_BRANCH): New macro.
6471 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6472 for the comparison. Use gen_condjump.
6473 (mips_output_conditional_branch): Rework interface to take the
6474 asm templates for a direct branch and the inverse of a direct branch.
6475 (mips_output_order_conditional_branch): New function.
6476 (mips_builtin_branch_and_move): New function.
6477 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6478 branch condition. Use gen_single_cc as the condition for
6479 __builtin_mips_upper_* or __builtin_mips_lower_*.
6480 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6481 Use VOIDmode for the branch condition.
6482 * config/mips/predicates.md (order_operator): New predicate.
6483 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6484 (branch_fp): Rename to...
6485 (*branch_fp): ...this. Remove mode from comparison operator.
6486 Use new mips_output_conditional_branch interface.
6487 (branch_fp_inverted): Rename to...
6488 (*branch_fp_inverted): ...this and update as for *branch_fp.
6489 (*branch_zero<mode>): Rename to...
6490 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6491 Use mips_output_order_conditional_branch. Only accept ordered
6493 (*branch_zero<mode>_inverted): Rename to...
6494 (*branch_order<mode>_inverted): ...this and update as for
6495 *branch_order<mode>.
6496 (*branch_equality<mode>): Accept zero as the second operand to
6497 the equality operator. Use the new mips_output_conditional_branch
6499 (*branch_equality<mode>_inverted): Likewise.
6500 (condjump): New expander.
6501 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6503 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6504 (bc1any2t, bc1any2f): Likewise.
6505 (single_cc): New expander.
6506 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6508 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6510 * doc/md.texi: Update documentation of MIPS constraints.
6511 * config/mips/constraints.md: New file.
6512 * config/mips/mips.md: Include it.
6513 * config/mips/mips.c (mips_char_to_class): Delete.
6514 (override_options): Don't initialize mips_char_to_class.
6515 * config/mips/mips.h (mips_char_to_class): Delete.
6516 (REG_CLASS_FROM_LETTER): Delete.
6517 (CONST_OK_FOR_LETTER_P): Delete.
6518 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6519 (EXTRA_CONSTRAINT_Y): Delete.
6520 (EXTRA_CONSTRAINT_STR): Delete.
6521 (CONSTRAINT_LEN): Delete.
6522 (EXTRA_MEMORY_CONSTRAINT): Delete.
6524 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6526 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6527 original fn's eh regions.
6529 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6531 * fold-const.c (build_range_check): Make sure to use a valid type to
6532 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6535 (range_predecessor): New static function.
6536 (range_successor): Likewise.
6537 (merge_ranges): Use them to compute predecessors and successors of
6540 2006-03-09 Roger Sayle <roger@eyesopen.com>
6543 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6544 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6546 2006-03-08 DJ Delorie <dj@redhat.com>
6548 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6549 (addpsi3): Expand to include memory operands. Remove
6550 reload-specific splits.
6551 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6552 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6553 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6554 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6555 (shift1_qi, shift1_hi, insv): New.
6556 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6557 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6558 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6560 * config/m32c/m32c-protos.h: Update as needed.
6561 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6562 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6563 Fail for unrecognized R* constraints.
6564 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6565 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6566 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6568 (m32c_init_libfuncs): New.
6569 (m32c_legitimate_address_p): Add debug wrapper.
6570 (m32c_rtx_costs): New.
6571 (m32c_address_cost): New.
6572 (conversions): Add 'B' prefix.
6573 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6574 operands, or word regnames for QI operands. 'B' prints bit
6576 (m32c_expand_setmemhi): New.
6577 (m32c_expand_movmemhi): New.
6578 (m32c_expand_movstr): New.
6579 (m32c_expand_cmpstr): New.
6580 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6581 (m32c_expand_neg_mulpsi3): Handle non-ints.
6582 (m32c_cmp_flg_0): New.
6583 (m32c_expand_movcc): New.
6584 (m32c_expand_insv): New.
6585 (m32c_scc_pattern): New.
6586 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6587 a0/a1 out of SIregs.
6588 (STORE_FLAG_VALUE): New.
6589 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6592 * config/m32c/mov.md: Make constraints more liberal.
6593 (zero_extendqihi2): Optimize r0/r1 case.
6594 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6595 * config/m32c/predicates.md (m32c_any_operand): New.
6596 (m32c_nonimmediate_operand): New.
6597 (m32c_hl_operand): New.
6598 (m32c_r3_operand): New.
6601 (memsym_operand): New.
6602 (memimmed_operand): New.
6603 (a_qi_operand): New.
6604 (m32c_eqne_operator): New.
6605 (m32c_1bit8_operand): New.
6606 (m32c_1bit16_operand): New.
6607 (m32c_1mask8_operand): New.
6608 (m32c_1mask16_operand): New.
6609 * config/m32c/blkmov.md: New file.
6610 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6612 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6614 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6615 unsigned to fix signed/unsigned comparison issue in
6616 DWARF2_FRAME_REG_OUT.
6617 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6618 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6620 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6621 of ptr into the ENABLE_CHECKING section.
6623 2006-03-08 Jeff Law <law@redhat.com>
6625 * tree-vrp.c (infer_value_range): Only count pointer uses
6626 and dereferences if -fdelete-null-pointer-checks is enabled.
6628 * tree-vrp.c (find_assert_locations): Infer value ranges for
6629 single use pointers, but do not create ASSERT_EXPRs for them.
6630 When a non-null range is inferred for a pointer, backwards
6631 propagate that range to other equivalent pointers through the
6634 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6637 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6638 language hook targets.
6639 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6640 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6641 if language hook targets were missing.
6643 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6645 * tree-ssa-opfinalize.h: Removed.
6646 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6648 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6649 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6650 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6651 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6652 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6653 finalize_ssa_v_must_def_ops): New.
6655 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6657 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6660 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6662 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6664 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6665 addresses with offsets; reorganize.
6667 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6668 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6669 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6671 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6674 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6676 2006-03-08 Ben Elliston <bje@au.ibm.com>
6678 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6680 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6683 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6686 2006-03-07 Richard Guenther <rguenther@suse.de>
6688 PR tree-optimization/26587
6689 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6691 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6693 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6695 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6697 * hooks.c (hook_bool_mode_rtx_true): New function.
6698 * hooks.h (hook_bool_mode_rtx_true): Declare.
6699 * toplev.c (compile_file): Call output_shared_constant_pool.
6700 * varasm.c (shared_constant_pool): New variable.
6701 (assemble_start_function, assemble_end_function): Remove arguments
6702 from call to output_constant_pool.
6703 (create_constant_pool): New function, split out from...
6704 (init_varasm_status): ...here.
6705 (force_const_mem): Choose between the shared and per-function constant
6706 pools. Set current_function_uses_const_pool when reusing old entries
6707 as well as when creating new ones.
6708 (mark_constant): Ignore data argument.
6709 (mark_constants): Remove pool argument.
6710 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6711 to decide whether the function uses a constant pool.
6712 (output_constant_pool_contents): New function, split out from...
6713 (output_constant_pool): ...here.
6714 (output_shared_constant_pool): New function.
6715 (init_varasm_once): Initialize shared_constant_pool.
6716 * output.h (output_constant_pool): Delete.
6717 (output_shared_constant_pool): Declare.
6718 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6719 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6721 2006-03-06 Nick Clifton <nickc@redhat.com>
6723 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6724 flag_strength_reduce.
6726 2006-03-06 Ben Elliston <bje@au.ibm.com>
6728 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6729 x86_64-*-linux* configurations.
6731 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6732 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6734 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6736 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6738 * basic-block.h: Remove the extern for
6739 rediscover_loops_after_threading.
6741 * cfgloop.c (cancel_loop): Make it static.
6742 * cfgloop.h: Remove the prototype for cancel_loop.
6744 * flow.c (recompute_reg_usage): Make it static.
6745 * rtl.h: Remove the prototype for recompute_reg_usage.
6747 * function.c (use_return_register): Make it static.
6748 * function.h: Remove the prototype.
6750 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6752 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6754 * recog.h: Remove the prototype for
6755 validate_change_maybe_volatile.
6757 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6759 * rtlanal.c (replace_reg): Remove.
6760 * rtl.h: Remove the prototype for replace_reg.
6762 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6764 * regclass.c (reg_scan_update): Remove.
6765 (reg_scan_mark_refs): Remove the last argument.
6766 * rtl.h: Remove the prototype for reg_scan_update.
6768 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6770 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6771 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6772 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6773 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6774 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6775 loop-invariant.c, omp-low.c, opts.c, passes.c,
6776 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6777 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6778 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6779 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6780 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6781 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6783 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6785 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6786 * dwarf2out.h: Remove the prototype for
6787 dwarf2out_add_library_unit_info.
6789 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6791 * tree.c (add_var_to_bind_expr): Remove.
6792 * tree.h: Remove the prototype for add_var_to_bind_expr.
6794 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6796 * regclass.c (n_non_fixed_regs): Remove.
6797 (init_reg_sets_1, globalize_reg): Remove all uses of
6799 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6801 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6803 * rtlanal.c (insns_safe_to_move_p): Remove.
6804 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6808 * expmed.c (expand_mult_add): Remove.
6809 * expr.h: Remove the prototype for expand_mult_add.
6811 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6813 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6814 and REG_SAVED_VAL_EXP constants.
6815 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6816 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6817 Handle regs stored by value.
6818 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6819 (execute_cfa_program): Handle DW_CFA_val_offset,
6820 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6821 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6822 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6823 (uw_install_context_1): Handle target regs stored by value.
6825 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6827 * tree-sra.c (tree_sra): Return todoflags;
6828 (generate_one_element): Set TODO_update_smt_usage if needed.
6829 (pass_sra): Remove TODO_update_smt_usage.
6830 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6832 (tree_ssa_forward_propagate_single_use_vars): Return
6833 TODO_update_smt_usage if we need to update SMT usage.
6834 (pass_forwprop): Remove TODO_update_smt_usage.
6836 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6838 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6839 (correct_use_link): Remove reference to get_stmt_operands.
6840 (update_stmt_operands): Likewise.
6841 (get_modify_expr_operands): New function factored out of
6842 parse_ssa_operands and get_expr_operands.
6843 Try to create V_MUST_DEFs for LHS by default.
6844 (get_expr_operands) <case MODIFY_EXPR>: Call
6845 get_modify_expr_operands.
6846 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6847 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6848 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6849 get_modify_expr_operands.
6851 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6853 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6854 * tree-flow.h: Remove the prototype for
6855 referenced_var_lookup_if_exists.
6857 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6859 PR rtl-optimization/26345
6861 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6863 2006-03-03 Roger Sayle <roger@eyesopen.com>
6865 PR tree-optimization/26524
6866 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6867 fold_convert to create a constant of the appropriate type.
6869 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6871 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6872 SYMBOL_REF_IN_BLOCK_P.
6873 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6874 of SYMBOL_FLAG_IN_BLOCK.
6875 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6876 instead of SYMBOL_REF_IN_BLOCK_P.
6877 * explow.c (use_anchored_address): Likewise.
6878 * rtl.c (rtx_size): Likewise.
6879 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6880 instead of SYMBOL_FLAG_IN_BLOCK.
6881 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6882 SYMBOL_REF_IN_BLOCK_P.
6883 (assemble_variable): Likewise.
6884 (output_constant_def_contents): Likewise.
6885 (output_constant_pool): Likewise.
6886 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6887 instead of SYMBOL_FLAG_IN_BLOCK.
6888 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6889 SYMBOL_REF_IN_BLOCK_P.
6890 (SYMBOL_REF_BLOCK): Likewise.
6891 (SYMBOL_REF_OFFSET): Likewise.
6892 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6893 SYMBOL_REF_IN_BLOCK_P.
6894 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6895 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6896 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6897 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6899 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6901 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6903 2006-03-02 Roger Sayle <roger@eyesopen.com>
6905 * simplify-rtx.c (simplify_unary_operation): When simplifying
6906 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6907 that we perform the right shift in the appropriate mode, and
6908 then extend or truncate the result to requested mode.
6910 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6912 * gengtype.c (main): Handle double_int type.
6913 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6914 * double-int.c: New file.
6915 * double-int.h: New file.
6916 * system.h: Include doubleint.h.
6917 * Makefile.in (SYSTEM_H): Include double-int.h.
6918 (double-int.o): Add.
6920 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6923 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6926 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6928 * tree-vrp.c (remove_range_assertions): Do not update statements
6931 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6933 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6935 * gcse.c (rest_of_handle_gcse): Ditto.
6936 * except.c (gate_handle_eh): Ditto.
6937 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6938 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6940 2006-03-02 Eric Christopher <echristo@apple.com>
6942 * config/i386/i386.c (machopic_output_stub): Add indirection to
6945 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6949 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6951 Sun Niagara specific optimizations.
6952 * config.gcc: Recognize niagara as target.
6953 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6954 (TARGET_CPU_niagara): Define.
6955 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6956 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6957 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6958 (ASM_CPU_SPEC): Likewise.
6959 (PROCESSOR_NIAGARA): New enum entry.
6960 (REGISTER_MOVE_COST): Handle Niagara.
6961 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6962 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6963 (sparc_override_options): Recognize "niagara", set appropriate
6964 default MASK_* values for it, and align functions to 32-bytes
6965 by default just like ULTRASPARC/ULTRASPARC3.
6966 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6967 (sparc64_initialize_trampoline): Likewise.
6968 (sparc_use_sched_lookahead): Use zero for niagara.
6969 (sparc_issue_rate): Use one for niagara.
6970 * config/sparc/niagara.md: New file.
6971 * config/sparc/sparc.md: Include it.
6972 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6973 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6974 when default cpu is niagara.
6975 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6976 (ASM_CPU_SPEC): Likewise.
6977 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6978 when default cpu is niagara.
6979 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6980 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6981 just like v9/ultrasparc/ultrasparc3.
6982 * doc/invoke.texi: Add documentation for "niagara" and improve
6983 existing documentation for ultrasparc variants.
6985 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6987 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6989 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6991 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6992 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6993 and say that only one is needed.
6994 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6995 * target.h (have_switchable_bss_sections): New hook.
6996 * explow.c (use_anchored_address): Check that the symbol is in a block.
6997 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6998 (bss_noswitch_section): New variables.
6999 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7000 (get_noswitch_section): New function.
7001 (get_block_for_section): Allow SECT to be null.
7002 (unlikely_text_section_p): Use SECTION_STYLE.
7003 (bss_initializer_p): New function.
7004 (get_variable_section): Move earlier in file. Take a new argument,
7005 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7006 Return one of the new *_sections in such cases.
7007 (get_block_for_decl): New function, extracting some logic from
7008 use_blocks_for_decl_p.
7009 (change_symbol_section): Remove in favor of...
7010 (change_symbol_block): ...this new function.
7011 (use_blocks_for_decl_p): Remove checks now performed by
7013 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7014 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7015 (emit_local, emit_bss, emit_common): ...these new functions.
7016 Return true if the alignment was honored.
7017 (emit_tls_common): New function.
7018 (asm_emit_uninitialised): Delete.
7019 (assemble_variable_noswitch): New function, split out from...
7020 (assemble_variable): ...here. Don't make decisions about common
7021 variables here. Globalize all public decls that go into non-common
7022 sections. Check whether SYMBOL_REF_BLOCK is null.
7023 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7024 (output_constant_pool): Likewise.
7025 (init_varasm_once): Initialize the new section variables.
7026 (have_global_bss_p): New function.
7027 (categorize_decl_for_section): Use bss_initializer_p.
7028 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7029 (place_block_symbol): Assert that the symbol must be in a block.
7030 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7031 (TARGET_INITIALIZER): Include it.
7032 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7033 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7034 (SECTION_MACH_DEP): Bump by two.
7035 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7036 (unnamed_section): Mention SECTION_UNNAMED in comment.
7037 (named_section): Likewise SECTION_NAMED.
7038 (noswitch_section_callback): New type.
7039 (noswitch_section): New structure.
7040 (section): Add a noswitch_section alternative.
7041 (SECTION_STYLE): New macro.
7042 (tls_comm_section, comm_section, lcomm_section): Declare.
7043 (bss_noswitch_section, have_global_bss_p): Declare.
7044 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7045 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7047 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7048 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7051 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7053 * tree-vrp.c (execute_vrp): Return value.
7054 * regrename.c (rest_of_handle_regrename): Ditto.
7055 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7056 * tree-complex.c (tree_lower_complex): Ditto.
7057 (tree_lower_complex_O0): Ditto.
7058 * tracer.c (rest_of_handle_tracer): Ditto.
7059 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7060 * postreload.c (rest_of_handle_postreload): Ditto.
7061 * tree-tailcall.c (execute_tail_recursion): Ditto.
7062 (execute_tail_calls): Ditto.
7063 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7064 * tree.h (init_function_for_compilation): Ditto.
7065 * ipa-cp.c (ipcp_driver): Ditto.
7066 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7067 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7068 * final.c (compute_alignments): Ditto.
7069 (rest_of_handle_final): Ditto.
7070 (rest_of_handle_shorten_branches): Ditto.
7071 (rest_of_clean_state): Ditto.
7072 * omp-low.c (execute_expand_omp): Ditto.
7073 (execute_lower_omp): Ditto.
7074 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7075 * ipa-reference.c (static_execute): Ditto.
7076 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7077 * reorg.c (rest_of_handle_delay_slots): Ditto.
7078 (rest_of_handle_machine_reorg): Ditto.
7079 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7080 * flow.c (recompute_reg_usage): Ditto.
7081 (rest_of_handle_remove_death_notes): Ditto.
7082 (rest_of_handle_life): Ditto.
7083 (rest_of_handle_flow2): Ditto.
7084 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7085 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7086 (do_ssa_store_ccp): Ditto.
7087 (execute_fold_all_builtins): Ditto.
7088 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7089 * modulo-sched.c (rest_of_handle_sms): Ditto.
7090 * ipa-pure-const.c (static_execute): Ditto.
7091 * cse.c (rest_of_handle_cse): Ditto.
7092 (rest_of_handle_cse2): Ditto.
7093 * web.c (rest_of_handle_web): Ditto.
7094 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7095 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7096 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7097 * tree-nrv.c (tree_nrv): Ditto.
7098 (execute_return_slot_opt): Ditto.
7099 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7100 (create_structure_vars): Ditto.
7101 * loop-init.c (rtl_loop_init): Ditto.
7102 (rtl_loop_done): Ditto.
7103 (rtl_move_loop_invariants): Ditto.
7104 (rtl_unswitch): Ditto.
7105 (rtl_unroll_and_peel_loops): Ditto.
7106 (rtl_doloop): Ditto.
7107 * gimple-low.c (lower_function_body): Ditto.
7108 (mark_used_blocks): Ditto.
7109 * tree-ssa-sink.c (execute_sink_code): Ditto.
7110 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7111 (cgraph_early_inlining): Ditto.
7112 * global.c (rest_of_handle_global_alloc): Ditto.
7113 * jump.c (cleanup_barriers): Ditto.
7114 (purge_line_number_notes): Ditto.
7115 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7116 (rest_of_handle_if_after_reload): Ditto.
7117 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7118 (tree_ssa_loop_im): Ditto.
7119 (tree_ssa_loop_unswitch): Ditto.
7120 (tree_vectorize): Ditto.
7121 (tree_linear_transform): Ditto.
7122 (tree_ssa_loop_ivcanon): Ditto.
7123 (tree_ssa_empty_loop): Ditto.
7124 (tree_ssa_loop_bounds): Ditto.
7125 (tree_complete_unroll): Ditto.
7126 (tree_ssa_loop_prefetch): Ditto.
7127 (tree_ssa_loop_ivopts): Ditto.
7128 (tree_ssa_loop_done): Ditto.
7129 * predict.c (tree_estimate_probability): Ditto.
7130 * recog.c (split_all_insns_noflow): Ditto.
7131 (rest_of_handle_peephole2): Ditto.
7132 (rest_of_handle_split_all_insns): Ditto.
7133 * tree-eh.c (lower_eh_constructs): Ditto.
7134 * regmove.c (rest_of_handle_regmove): Ditto.
7135 (rest_of_handle_stack_adjustments): Ditto.
7136 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7137 * function.c (instantiate_virtual_regs): Ditto.
7138 (init_function_for_compilation): Ditto.
7139 (rest_of_handle_check_leaf_regs): Ditto.
7140 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7141 (rest_of_handle_gcse): Ditto.
7142 * ipa-type-escape.c (type_escape_execute): Ditto.
7143 * alias.c (rest_of_handle_cfg): Ditto.
7144 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7145 * profile.c (rest_of_handle_branch_prob): Ditto.
7146 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7147 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7148 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7149 * tree-dfa.c (find_referenced_vars): Ditto.
7150 * except.c (set_nothrow_function_flags): Ditto.
7151 (convert_to_eh_region_ranges): Ditto.
7152 (rest_of_handle_eh): Ditto.
7153 * emit-rtl.c (unshare_all_rtl): Ditto.
7154 (remove_unnecessary_notes): Ditto.
7155 * except.h (set_nothrow_function_flags): Ditto.
7156 (convert_to_eh_region_ranges): Ditto.
7157 * cfgexpand.c (tree_expand_cfg): Ditto.
7158 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7159 * tree-ssa-pre.c (do_pre): Ditto.
7160 (execute_fre): Ditto.
7161 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7162 (rest_of_handle_jump2): Ditto.
7163 * tree-sra.c (tree_sra): Ditto.
7164 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7165 (execute_mudflap_function_decls): Ditto.
7166 * tree-ssa-copy.c (do_copy_prop): Ditto.
7167 (do_store_copy_prop): Ditto.
7168 * ipa-prop.h (ipcp_driver): Ditto.
7169 * cfglayout.c (insn_locators_initialize): Ditto.
7170 * tree-ssa-forwprop.c
7171 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7172 * cfglayout.h (insn_locators_initialize): Ditto.
7173 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7174 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7175 (execute_late_warn_uninitialized): Ditto.
7176 * rtl.h (cleanup_barriers): Ditto.
7177 (split_all_insns_noflow): Ditto.
7178 (purge_line_number_notes): Ditto.
7179 (unshare_all_rtl): Ditto.
7180 (remove_unnecessary_notes): Ditto.
7181 (recompute_reg_usage): Ditto.
7182 (variable_tracking_main): Ditto.
7183 * integrate.c (emit_initial_value_sets): Ditto.
7184 * integrate.h (emit_initial_value_sets): Ditto.
7185 * tree-optimize.c (execute_free_datastructures): Ditto
7186 (execute_free_cfg_annotations): Ditto.
7187 (execute_fixup_cfg): Ditto.
7188 (execute_cleanup_cfg_pre_ipa): Ditto.
7189 (execute_cleanup_cfg_post_optimizing): Ditto.
7190 (execute_init_datastructures): Ditto.
7191 * tree-object-size.c (compute_object_sizes): Ditto.
7192 * combine.c (rest_of_handle_combine): Ditto.
7193 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7194 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7195 (rest_of_handle_reorder_blocks): Ditto.
7196 (rest_of_handle_partition_blocks): Ditto.
7197 * var-tracking.c (variable_tracking_main): Ditto.
7198 * tree-profile.c (tree_profiling): Ditto.
7199 * tree-vect-generic.c (expand_vector_operations): Ditto.
7200 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7201 * sched-rgn.c (rest_of_handle_sched): Ditto.
7202 (rest_of_handle_sched2): Ditto.
7203 * basic-block.h (free_bb_insn): Ditto.
7204 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7205 * tree-cfg.c (execute_build_cfg): Ditto.
7206 (remove_useless_stmts): Ditto.
7207 (split_critical_edges): Ditto.
7208 (execute_warn_function_return): Ditto.
7209 (execute_warn_function_noreturn): Ditto.
7210 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7211 * cfgrtl.c (free_bb_for_insn): Ditto.
7212 * passes.c (execute_one_pass): Run additional
7213 todos returned by execute function.
7214 * tree-pass.h (struct tree_opt_pass): Make execute
7217 2006-03-02 Richard Guenther <rguenther@suse.de>
7219 * tree-ssa-alias.c (find_used_portions): Consider taking
7220 the address as making the variable not write-only.
7222 2006-03-02 Nick Clifton <nickc@redhat.com>
7224 * config.gcc (default_use_cxa_atexit): Extend the description of
7225 this configure variable. Set its default value to "yes" for
7226 Linux, NetBSD and ELF targets on the assumption that they will
7227 use C libraries with the __cxa_atexit function.
7229 2006-03-02 Ben Elliston <bje@au.ibm.com>
7231 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7232 parameter as unused to suppress a build warning.
7234 2006-03-02 Ben Elliston <bje@au.ibm.com>
7236 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7239 2006-03-01 Roger Sayle <roger@eyesopen.com>
7242 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7243 declared name, the weak reference name, and the typeof name.
7244 (__gthrw): Avoid expanding the declared name suffix.
7245 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7247 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7249 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7251 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7252 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7253 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7254 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7255 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7256 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7257 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7258 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7259 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7260 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7261 (DW_END_default, DW_END_big, DW_END_little): New.
7262 (DW_END_lo_user, DW_END_hi_user): Define.
7263 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7264 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7265 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7268 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7270 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7272 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7274 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7276 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7278 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7279 to 'symbol_mem_tag'.
7281 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7284 2006-03-01 Roger Sayle <roger@eyesopen.com>
7286 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7288 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7291 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7292 MACHO_DYNAMIC_NO_PIC_P.
7293 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7295 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7298 * config/darwin-protos.h (darwin_asm_output_anchor):
7300 * config/darwin-sections.def (cstring_section):
7301 Add SECTION_MERGE to the flags.
7302 (literal4_section): Likewise.
7303 (literal8_section): Likewise.
7304 (objc_selector_refs_section): Likewise.
7305 (objc_cls_refs_section): Likewise.
7306 * config/darwin.c (darwin_asm_output_anchor): New
7308 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7310 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7312 Fix PR tree-optimization/26443
7313 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7314 to todo and PROP_tmt_usage to properties_destroyed.
7315 * tree-ssa-ccp.c (pass_ccp): Ditto.
7316 (pass_store_ccp): Ditto.
7317 * tree-ssa-dom.c (pass_dominator): Ditto.
7319 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7321 * tree-ssa-operands.c: Cleanup whitespace.
7322 (get_asm_expr_operands): Move before first invocation.
7323 (get_indirect_ref_operands): Likewise.
7324 (get_tmr_operands): Likewise.
7325 (get_call_expr_operands): Likewise.
7326 (append_def): Likewise.
7327 (append_use): Likewise.
7328 (append_v_may_def): Likewise.
7329 (append_v_must_def): Likewise.
7330 (add_call_clobber_ops): Likewise.
7331 (add_call_read_ops): Likewise.
7332 (add_stmt_operand): Likewise.
7333 (add_virtual_operand): Likewise.
7334 (build_ssa_operands): Likewise.
7336 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7341 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7342 with a call expr to ...
7343 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7345 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7347 * tree-vrp.c (extract_range_from_assert): Remove special
7348 handling for types with super-types.
7350 2006-03-01 Ben Elliston <bje@au.ibm.com>
7352 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7353 and powerpc64-*-linux* configurations.
7354 * config/t-dfprules: New file.
7356 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7357 Compile dfp-bit.c from the source directory using -DWIDTH and
7358 $DFP_CFLAGS to control the compilation of that file, rather than
7359 generating width-specific versions in the build directory.
7360 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7361 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7363 2006-02-28 Zack Weinberg <zackw@panix.com>
7365 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7368 2006-02-28 Eric Christopher <echristo@apple.com>
7370 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7371 Set up IN_LIBGCC definition of TARGET_64BIT.
7372 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7374 2006-02-28 Roger Sayle <roger@eyesopen.com>
7377 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7378 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7379 cases via the construction of "expr != 0".
7381 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7383 * alias.c (alias_invariant, alias_invariant_size): Remove.
7384 (record_base_value): Remove.
7385 (memrefs_conflict_p): Don't look at alias_invariant.
7386 (end_alias_analysis): Don't free it.
7387 * alias.h (record_base_value): Remove prototype.
7389 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7390 Adam Nemet <anemet@caviumnetworks.com>
7392 * rtl.h (truncated_to_mode): Declare it.
7393 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7394 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7395 (RTL_HOOKS_INITIALIZER): Include it.
7396 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7397 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7398 reg_truncated_to_mode.
7399 * rtlanal.c (truncated_to_mode): Define it.
7400 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7402 2006-02-28 Jeff Law <law@redhat.com>
7404 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7405 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7406 the range allowed by TYPE_PRECISION.
7408 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7410 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7412 PR tree-optimization/26419
7413 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7416 2006-02-27 Zack Weinberg <zackw@panix.com>
7418 * doc/md.texi: Fix typo in previous change.
7420 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7424 2006-02-27 Zack Weinberg <zackw@panix.com>
7426 * rtl.def (define_constraint, define_register_constraint)
7427 (define_memory_constraint, define_address_constraint): New MD forms.
7428 * gensupport.c (process_rtx): Put define_constraint etc on the
7430 * genpreds.c (process_define_predicate): Adjust comment. Validate
7431 the name, and call validate_exp to validate the expression.
7432 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7433 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7434 all callers changed.
7435 (validate_exp, needs_variable, struct constraint_data)
7436 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7437 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7438 (const_dbl_constraints, constraint_max_namelen)
7439 (have_register_constraints, have_memory_constraints)
7440 (have_address_constraints, have_address_constraints)
7441 (have_extra_constraints, have_const_int_constraints)
7442 (have_const_dbl_constraints, mangle, add_constraint)
7443 (process_define_constraint, process_define_register_constraint)
7444 (write_enum_constraint_num, write_lookup_constraint)
7445 (write_insn_constraint_len, write_regclass_for_constraint)
7446 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7447 (write_insn_extra_memory_constraint)
7448 (write_insn_extra_address_constraint)
7449 (write_satisfies_constraint_fns): New.
7450 (write_tm_preds_h): If we have new-style constraint definitions,
7451 prototype the functions generated from them, and define the
7452 old constraint interface (still used by generic code) in terms of
7454 (write_insn_preds_c): If we have new-style constraint definitions,
7455 generate all relevant functions from those definitions.
7456 (main): Handle define_constraint etc.
7457 * genoutput.c (struct constraint_data, indep_constraints)
7458 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7459 (mdep_constraint_len): New data structures and functions, defined
7460 #ifdef USE_MD_CONSTRAINTS.
7461 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7462 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7463 use new logic to validate operand constraints against constraint
7465 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7467 * defaults.h: If none of the old-style constraint macros are
7468 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7469 old-style macros; and poison REG_CLASS_FROM_LETTER,
7470 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7472 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7473 * doc/md.texi: Document new constraint-definition mechanism and the
7474 C interface it provides. Remove references to old mechanism
7475 elsewhere in the document.
7476 (Machine Constraints): Use pathnames relative to gcc directory,
7477 i.e. config/ARCH/FILE. Change i386 section to refer to
7478 config/i386/predicates.md; update that section to match docstrings.
7479 * doc/tm.texi: Move all documentation of the old constraint-
7480 definition macros to their own section, clearly mark as obsolete.
7482 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7483 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7485 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7486 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7487 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7489 (splits and peepholes): Use satisfies_constraint_*.
7490 * config/i386/i386.c (memory_address_length)
7491 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7493 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7495 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7496 scalar operation to be put back into the loop.
7498 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7501 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7502 (extract_cie_info): Handle S flag in augmentation string.
7503 (execute_cfa_program): If context->signal_frame, execute also
7504 fs->pc == context->ra instructions.
7505 (uw_frame_state_for): If context->signal_frame, don't subtract one
7506 from context->ra to find FDE.
7507 (uw_update_context_1): Set context->signal_frame to
7509 (_Unwind_GetIPInfo): New function.
7510 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7511 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7513 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7514 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7515 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7516 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7517 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7518 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7519 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7520 x86_64_fallback_frame_state): Set fs->signal_frame.
7521 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7522 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7523 (frob_update_context): Likewise. Workaround missing S flag in
7524 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7525 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7526 Remove the psw_addr + 1 hack.
7528 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7530 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7531 with aggregates here.
7532 (find_func_aliases): Remove code for &<aggregate> from here.
7534 2006-02-26 Roger Sayle <roger@eyesopen.com>
7536 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7537 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7538 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7541 2006-02-26 Roger Sayle <roger@eyesopen.com>
7544 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7546 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7548 * opts.c (decode_options): Do not handle flag_strength_reduce.
7549 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7550 and OPT_fstrength_reduce.
7551 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7552 flag_prefetch_loop_arrays for being nonzero.
7553 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7555 (fprefetch-loop-arrays-rtl): Removed.
7556 (flag_prefetch_loop_arrays): Do not specify the value.
7558 * doc/passes.texi: Update documentation of loop optimizer
7560 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7561 -frerun-loop-opt): Remove.
7563 2006-02-26 Richard Guenther <rguenther@suse.de>
7565 PR tree-optimization/26421
7566 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7567 in function calls that are ADDR_EXPRs as using the whole structure.
7569 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7571 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7572 * tree-pass.h (pass_loop_optimize): Remove.
7573 * passes.c (pass_loop_optimize): Never run it.
7574 * toplev.c (backend_init): Don't call init_loop.
7575 * opts.c (flag_loop_optimize_set): Remove.
7576 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7577 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7578 the old RTL loop optimizer when profiling enabled.
7579 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7580 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7581 pre-headers for the sake of the old RTL loop optimizer.
7582 * Makefile.in: Remove all references to loop.o.
7584 * doc/invoke.texi: Remove all references to -floop-optimize
7585 and -frerun-loop-opt.
7587 2006-02-26 Zack Weinberg <zackw@panix.com>
7589 * doc/md.texi (Machine Constraints): Refer to all files with paths
7590 relative to gcc directory (i.e. config/CPU/file). Add missing
7591 @table @code ... @end table to M32C subsection.
7593 2006-02-26 Roger Sayle <roger@eyesopen.com>
7595 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7597 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7599 2006-02-26 Roger Sayle <roger@eyesopen.com>
7600 James A. Morrison <phython@gcc.gnu.org>
7603 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7604 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7605 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7606 signedness of the shift operation.
7608 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7610 PR tree-optimization/26359
7611 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7613 2006-02-25 Roger Sayle <roger@eyesopen.com>
7615 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7616 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7617 as X == 0, and some symmetry related transformations.
7618 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7620 2006-02-25 Roger Sayle <roger@eyesopen.com>
7623 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7624 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7625 symmetry related transformations. Fold (X^C1) == C2 as
7628 2006-02-25 Juergen Weigert <jw@suse.de>
7629 Richard Guenther <rguenther@suse.de>
7631 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7633 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7635 * combine.c (gen_lowpart_or_truncate): Call
7636 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7638 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7640 * doc/invoke.texi: Move -fopenmp description to "Options for
7642 Remove reference to -lgomp.
7644 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7646 * doc/install.texi: Require GNU tar version 1.14.
7648 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7650 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7651 * doc/invoke.texi (C++ Dialect Options): Document
7652 -fno-use-cxa-get-exception-ptr.
7653 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7654 * configure: Regenerate.
7655 * c.opt (fuse-cxa-get-exception-ptr): New.
7656 * c-opts.c (c_common_handle_option): Handle
7657 OPT_fuse_cxa_get_exception_ptr.
7658 * c-common.c (flag_use_cxa_atexit): Update documentation.
7659 (flag_use_cxa_get_exception_ptr): New.
7660 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7661 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7663 (C_COMMON_OVERRIDE_OPTIONS): New.
7665 2006-02-24 Roger Sayle <roger@eyesopen.com>
7668 * combine.c (try_combine): Explicitly check whether GET_CODE is
7669 a SET or a CLOBBER, instead on checking that it isn't a USE.
7671 2006-02-24 Roger Sayle <roger@eyesopen.com>
7673 * fold-const.c (fold_comparison): New subroutine of fold_binary
7674 containing transformations common to both the equality and
7675 ordering relational operators, factored out of fold_binary.
7676 (fold_binary): Separate out the equality operators (EQ_EXPR
7677 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7678 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7679 transformations common to both.
7680 (fold_div_compare): Fix latent bugs in the previously unreachable
7681 LT_EXPR and GE_EXPR cases.
7683 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7685 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7686 decl libname for clog to __clog on AIX.
7688 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7690 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7693 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7694 output traceback table for thunks. Localise rs6000_stack_info call.
7696 2006-02-23 Roger Sayle <roger@eyesopen.com>
7697 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7699 * gthr-posix.h (__gthrw): Fix typo in comment.
7701 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7703 * doc/cpp.texi (Character sets): Document that we do support
7704 input files to be in any character set.
7706 2006-02-23 Jeff Law <law@redhat.com>
7708 * tree.h (PHI_ARG_NONZERO): Remove.
7709 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7710 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7711 node to the new node.
7713 PR tree-optimization/26425
7714 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7715 min/max, then assume its varying.
7717 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7719 PR rtl-optimization/26316
7720 * rtlanal.c (enum may_trap_p_flags): New.
7721 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7722 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7723 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7724 (may_trap_after_code_motion_p): New function.
7725 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7726 (find_invariant_insn): Use may_trap_after_code_motion_p.
7727 * rtl.h (may_trap_after_code_motion_p): Declare.
7729 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7731 * emit-rtl.c (immed_double_const): Cleanup.
7733 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7735 Fix PR tree-optimization/26376
7736 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7739 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7742 * gimplify.c (omp_add_variable): Guard variable size decl test with
7743 DECL_SIZE (decl) check.
7745 2006-02-23 Richard Guenther <rguenther@suse.de>
7748 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7749 like aggregate types.
7751 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7753 * configure.ac: Add --with{,out}-long-double-128 configure option.
7754 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7755 * configure: Rebuilt.
7756 * config.in: Rebuilt.
7757 * doc/install.texi (Options specification): Document
7758 --with-long-double-128.
7760 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7761 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7762 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7763 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7765 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7767 * config/s390/s390.c (override_options): Handle
7768 TARGET_DEFAULT_LONG_DOUBLE_128.
7770 * config/alpha/alpha.c (override_options): Handle
7771 TARGET_DEFAULT_LONG_DOUBLE_128.
7773 * config/sparc/sparc.c (sparc_override_options): Handle
7774 TARGET_DEFAULT_LONG_DOUBLE_128.
7776 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7778 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7779 (real-install-headers-tar, real-install-headers-cpio)
7780 (real-install-headers-cp): New targets.
7782 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7784 * tree.h (variable_section): Delete.
7785 * varasm.c (variable_section): Delete.
7787 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7789 * install.texi: Add notes on install.texi2html.
7790 (Building in parallel): Do not use footnotes.
7792 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7795 * doc/install.texi (Configuration): Document --disable-libgomp.
7797 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7799 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7801 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7803 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7804 (vec_extractv2df_0_sse): New.
7806 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7808 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7809 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7810 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7811 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7812 to the result of the expression.
7813 (def_cfa_1): Adjust.
7814 (frame_pointer_cfa_offset): Rename to...
7815 (frame_pointer_fb_offset): ... this. Adjust all uses.
7816 (convert_cfa_to_loc_list): Rename to...
7817 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7818 Pass it on to build_cfa_loc.
7819 (compute_frame_pointer_to_cfa_displacement): Rename to...
7820 (compute_frame_pointer_to_fb_displacement): ... this. New
7821 offset parameter. Use it in computation.
7822 (gen_subprogram_die): Compute cfa_fb_offset with the new
7823 macro, and use it to compute the fb loc list and the
7826 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7828 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7829 replaced with register_operand.
7830 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7831 non-DREG is expensive.
7832 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7833 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7836 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7838 * doc/install.texi2html: Use set -e.
7840 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7842 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7843 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7844 * doc/invoke.texi (-fshared-data): Delete.
7845 * common.opt (fshared-data): Delete.
7846 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7847 (assemble_static_space): Remove #if 0 code.
7848 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7849 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7850 * config/cris/cris.h: Remove FIXME.
7852 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7854 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7857 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7860 * combine.c (simplify_shift_const_1): Disable nested shifts
7861 optimization for vector shifts.
7863 2006-02-20 Roger Sayle <roger@eyesopen.com>
7865 PR tree-optimization/26361
7866 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7867 of unsigned integer types.
7869 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7871 * tree-chrec.c (eq_evolutions_p): New.
7872 * tree-chrec.h (eq_evolutions_p): Declared.
7873 * tree-data-ref.c: Fix formatting.
7874 (datadep_stats, dependence_stats): New.
7876 (print_direction_vector): New.
7877 (dump_data_dependence_relation): Use print_direction_vector.
7878 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7879 (compute_subscript_distance): Static.
7880 (initialize_data_dependence_relation): Static. Get the number
7881 of loops surrounding the references from the callers, and initialize
7882 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7883 base_object_differ_p analyzers.
7884 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7885 compute_overlap_steps_for_affine_1_2,
7886 analyze_subscript_affine_affine): Count the classified dependences.
7887 Print a message when a test failed.
7888 (can_use_analyze_subscript_affine_affine): New.
7889 (analyze_siv_subscript): Compute the data dependences on symbolic
7890 scevs that verify can_use_analyze_subscript_affine_affine.
7891 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7892 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7893 Handle symbolic scevs.
7894 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7896 (subscript_dependence_tester): Moved...
7897 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7898 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7899 DDR_SIZE_VECT instead of getting it in parameter.
7900 (subscript_dependence_tester): ... here. Take as a parameter
7901 loop_nest_depth. Call build_classic_dist_vector and
7902 build_classic_dir_vector.
7903 (compute_affine_dependence): Update subscript_dependence_tester
7904 parameters. Update datadep_stats counters. Call
7905 compute_subscript_distance.
7906 (compute_self_dependence): Save the dist and dir vectors. Call
7907 compute_subscript_distance.
7908 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7909 (compute_all_dependences): Reorder parameters as they were before
7910 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7911 compute_subscript_distance. Update the use of
7912 compute_affine_dependence and initialize_data_dependence_relation.
7913 (find_data_references_in_loop): Handle COMPONENT_REF.
7914 (compute_data_dependences_for_loop): Initialize dependence_stats.
7915 Don't call build_classic_dist_vector and build_classic_dir_vector.
7916 Update the parameters of initialize_data_dependence_relation and
7917 compute_all_dependences. Print the statistics from datadep_stats.
7918 (analyze_all_data_dependences): Static. Not used until the pass for
7919 checking the data dependences is contributed.
7920 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7921 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7922 (initialize_data_dependence_relation, compute_affine_dependence,
7923 analyze_all_data_dependences, compute_subscript_distance): Removed.
7924 (print_direction_vector): New.
7925 * lambda.h (gcd): ... here.
7926 (lambda_vector_gcd): Moved here from gcd_vector.
7927 * lambda-code.c (gcd, gcd_vector): Removed.
7928 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7929 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7931 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7933 * ipa-type-escape.c: Tidy some comments and white space.
7934 * tree-ssa-operands.c: Likewise.
7936 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7939 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7940 (dump_decl_name): Do not walk the decl tree chains.
7941 * tree-pass.h (TDF_CHAIN): Remove.
7943 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7945 * Makefile.in (C): Remove
7947 (.PHONY): Remove C and PROTO
7949 2006-02-20 Roger Sayle <roger@eyesopen.com>
7952 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7953 deprecated CHAR_TYPE tree code.
7955 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7957 * configure.ac (target_list): Add install-info, dvi, html.
7958 * configure: Regenerate.
7960 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7961 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7962 treelang/Make-lang.in: Do not use double-colon rules.
7964 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7966 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7967 (TMT_USED_ALONE): New macro.
7968 * tree-pass.h (PROP_tmt_usage): New property.
7969 (TODO_update_tmt_usage): New todo.
7970 * tree-ssa-alias.c (updating_used_alone): New variable.
7971 (recalculate_used_alone): New function.
7972 (compute_may_aliases): Set updating_used_alone, call
7973 recalculate_used_alone.
7974 * tree-sra.c (pass_sra): Note that this pass destroys
7975 PROP_tmt_usage, and add TODO_update_tmt_usage.
7976 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7977 * tree-flow.h (updating_used_alone): Prototype.
7978 (recalculate_used_alone): Ditto.
7979 * passes.c (execute_todo): Add code to set updating_used_alone,
7980 and call recalculate.
7981 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7982 for clobber if used alone, and add assert to verify used_alone
7985 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7987 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7988 for non tls symbols added.
7989 (legitimize_address): Do nothing for PLUS expressions if one of the
7990 addends is a tls symbol reference.
7992 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7996 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7998 * Makefile.in (BOOTSTRAPPING): New.
7999 (quickstrap): New definition if BOOTSTRAPPING=yes.
8001 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8002 * configure.ac: Substitute all_selected_languages with the languages
8003 that were configured. For all the other variables except
8004 lang_specs_files, include all the languages in the tree.
8005 * configure: Regenerate.
8007 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8008 if there is one. Run the commands to run fixincludes in the same
8011 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8012 * doc/install.texi: Document exact conventions for searching target tools.
8013 Document --with-build-time-tools. Document toplevel bootstrap. Document
8014 something more about building an Ada cross-compiler. Don't list GNU Make
8015 requirements which affect all platforms.
8017 2006-02-19 Roger Sayle <roger@eyesopen.com>
8020 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8021 only equivalent if the have both the same mode and precision.
8023 2006-02-20 Ben Elliston <bje@au.ibm.com>
8025 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8027 2006-02-19 Roger Sayle <roger@eyesopen.com>
8028 Steven Bosscher <stevenb.gcc@gmail.com>
8030 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8031 constant pool references to identify stack mode constants.
8032 * rtlanal.c (constant_pool_constant_p): New predicate to check
8033 whether operand is a floating point constant in the pool.
8034 * rtl.h (constant_pool_constant_p): Prototype here.
8035 * loop.c (scan_loop): Avoid hoisting constants from the constant
8036 pool on STACK_REGS targets.
8037 (load_mems): Likewise.
8038 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8039 loads into x87 registers expensive in terms of register pressure.
8041 2006-02-19 Roger Sayle <roger@eyesopen.com>
8043 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8044 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8046 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8048 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8049 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8051 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8053 * doc/invoke.texi: Document -fipa-pta.
8054 * common.opt: Add ipa-pta option.
8055 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8056 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8057 (do_ds_constraint): Ditto.
8058 (get_constraint_for): Only add to referenced_vars if
8059 referenced_vars exists.
8060 (insert_into_field_list): Rewrite to do this unsorted.
8061 (insert_into_field_list_sorted): Rename old insert_into_field_list
8063 (create_function_info_for): Use insert_into_field_list_sorted.
8064 (create_variable_info_for): Rewrite so it uses unsorted version,
8065 since the field list is sorted.
8066 (intra_create_variable_infos): Only add to referenced_vars if
8067 referenced_vars exists.
8068 (ipa_pta_execute): Init heapvars, and delete when done.
8069 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8071 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8073 * doc/install.texi: Add missing `@samp'.
8075 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8077 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8080 2006-02-18 Mark Wielaard <mark@klomp.org>
8082 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8083 who added new 4.1 features, bug fixes and integration support.
8085 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8088 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8091 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8093 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8094 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8095 (copy_insn_1): Likewise. Don't copy each field individually.
8097 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8099 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8100 * rtl.c (rtx_size): Rename variable to...
8101 (rtx_code_size): ...this.
8102 (rtx_size): New function.
8103 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8104 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8106 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8107 * rtl.h (rtx_code_size): New variable.
8108 (rtx_size): Change from a variable to a function.
8109 (RTX_SIZE): Rename to...
8110 (RTX_CODE_SIZE): ...this.
8113 PR tree-optimization/17106
8114 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8115 (Anchored Addresses): New section.
8116 * doc/invoke.texi (-fsection-anchors): Document.
8117 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8118 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8119 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8120 * hooks.c (hook_bool_mode_rtx_false): New function.
8121 * hooks.h (hook_bool_mode_rtx_false): Declare.
8122 * gengtype.c (create_optional_field): New function.
8123 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8124 SYMBOL_REF_IN_BLOCK_P is true.
8125 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8126 (min_anchor_offset, max_anchor_offset): Likewise.
8127 (use_anchors_for_symbol_p): New hook.
8128 * toplev.c (compile_file): Call output_object_blocks.
8129 (target_supports_section_anchors_p): New function.
8130 (process_options): Check that -fsection-anchors is only used on
8131 targets that support it and when -funit-at-a-time is in effect.
8132 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8133 if the decl doesn't have one.
8134 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8135 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8136 of force_const_mem through use_anchored_address.
8137 (expand_expr_constant): New function.
8138 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8139 calling expand_expr for INDIRECT_REF.
8140 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8141 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8142 * expr.h (use_anchored_address): Declare.
8143 * loop-unroll.c: Don't declare rtx vectors here.
8144 * explow.c: Include output.h.
8145 (validize_mem): Call use_anchored_address.
8146 (use_anchored_address): New function.
8147 * common.opt (-fsection-anchors): New switch.
8148 * varasm.c (object_block_htab, anchor_labelno): New variables.
8149 (hash_section, object_block_entry_eq, object_block_entry_hash)
8150 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8151 (use_blocks_for_decl_p, change_symbol_section): New functions.
8152 (get_variable_section): New function, split out from assemble_variable.
8153 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8154 use_blocks_for_decl_p say so. Use change_symbol_section if the
8155 symbol has already been created.
8156 (assemble_variable_contents): New function, split out from...
8157 (assemble_variable): ...here. Don't output any code for
8158 block symbols; just pass them to place_block_symbol.
8159 Use get_variable_section and assemble_variable_contents.
8160 (get_constant_alignment, get_constant_section, get_constant_size): New
8161 functions, split from output_constant_def_contents.
8162 (build_constant_desc): Create a block symbol if use_object_blocks_p
8163 says so. Or into SYMBOL_REF_FLAGS.
8164 (assemble_constant_contents): New function, split from...
8165 (output_constant_def_contents): ...here. Don't output any code
8166 for block symbols; just pass them to place_section_symbol.
8167 Use get_constant_section and get_constant_alignment.
8168 (force_const_mem): Create a block symbol if use_object_blocks_p and
8169 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8170 (output_constant_pool_1): Add an explicit alignment argument.
8171 Don't switch sections here.
8172 (output_constant_pool): Adjust call to output_constant_pool_1.
8173 Switch sections here instead. Don't output anything for block symbols;
8174 just pass them to place_block_symbol.
8175 (init_varasm_once): Initialize object_block_htab.
8176 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8177 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8178 (place_block_symbol, get_section_anchor, output_object_block)
8179 (output_object_block_htab, output_object_blocks): New functions.
8180 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8181 (TARGET_ASM_OUT): Include it.
8182 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8183 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8184 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8185 (TARGET_INITIALIZER): Include them.
8186 * rtl.c (rtl_check_failed_block_symbol): New function.
8187 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8188 (block_symbol, object_block): New structures.
8189 (rtx_def): Add a block_symbol field to the union.
8190 (BLOCK_SYMBOL_CHECK): New macro.
8191 (rtl_check_failed_block_symbol): Declare.
8192 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8193 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8194 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8195 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8196 * output.h (output_section_symbols): Declare.
8197 (object_block): Name structure.
8198 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8199 (default_use_anchors_for_symbol_p): Declare.
8200 * Makefile.in (RTL_BASE_H): Add vec.h.
8201 (explow.o): Depend on output.h.
8202 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8203 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8204 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8205 (rs6000_use_blocks_for_constant_p): New function.
8207 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8209 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8211 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8214 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8217 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8219 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8223 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8226 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8227 instead of DECL_REGISTER.
8229 2006-02-18 Olivier Hainque <hainque@adacore.com>
8232 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8234 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8237 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8238 * opth-gen.awk: Handle Var and InverseMask together.
8239 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8240 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8241 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8242 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8244 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8245 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8246 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8247 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8248 LINUX_DYNAMIC_LINKER): Define.
8249 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8250 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8252 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8253 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8254 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8256 (TARGET_C99_FUNCTIONS): Don't define.
8257 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8258 GLIBC_DYNAMIC_LINKER.
8259 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8260 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8261 GLIBC_DYNAMIC_LINKER64): Define.
8262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8263 LINUX_DYNAMIC_LINKER64.
8264 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8265 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8266 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8268 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8270 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8271 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8272 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8273 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8274 and LINUX_DYNAMIC_LINKER32.
8275 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8276 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8277 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8279 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8281 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8282 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8283 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8284 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8285 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8286 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8287 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8288 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8289 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8290 LINUX_DYNAMIC_LINKER): Define.
8291 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8292 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8293 GLIBC_DYNAMIC_LINKER64): Define.
8294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8295 LINUX_DYNAMIC_LINKER64.
8296 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8297 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8298 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8299 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8300 LINUX_DYNAMIC_LINKER): Define.
8301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8302 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8303 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8304 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8305 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8306 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8307 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8308 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8309 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8310 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8312 * doc/invoke.texi (-muclibc): Remove caveat about supported
8315 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8317 * doc/cpp.texi (__TIMESTAMP__): Document.
8319 2006-02-17 Roger Sayle <roger@eyesopen.com>
8322 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8323 C is one less than the width of X (and related transformations).
8324 * simplify-rtx.c (simplify_unary_operation_1): Transform
8325 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8326 depending on STORE_FLAG_VALUE, were C is one less then the
8329 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8331 Fix PR tree-optimization/26341
8332 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8333 about NAME_MEMORY_TAG's.
8335 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8338 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8339 with hardware float support, and software float support. Add fcpy
8340 alternative to hardware patterns. Add alternatives to copy between
8341 general and floating-point registers to the 32-bit pattern.
8342 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8343 secondary reload to load a QI or HI mode constant into a floating
8345 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8346 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8348 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8351 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8353 (load_macho_picbase_di): Likewise.
8355 2006-02-16 Jeff Law <law@redhat.com>
8357 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8358 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8359 (ssa_name_nonzero_p): Likewise.
8360 (get_value_range): Return NULL if VRP is not running.
8361 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8362 VRP routines do not discover a range.
8363 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8364 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8365 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8366 (tree_expr_nonnegative_p): Similarly.
8367 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8368 (restore_nonzero_vars_to_original_value): Remove.
8369 (unsafe_associative_fp_binop): Remove.
8370 (tree_ssa_dominator_optimize): Remove initialization and
8371 finalization of nonzero_vars and nonzero_vars_stack.
8372 (dom_opt_initialize_block): No longer push marker on
8374 (dom_opt_finalize_block): No longer call
8375 restore_nonzero_vars_to_original_value.
8376 (record_equivalences_from_phis): No longer look for
8377 nonzero PHI arguments.
8378 (cprop_into_successor_phis): No longer propagate nonzero
8379 property into PHI arguments. Lose unused argument. Caller
8381 (record_equivalences_from_stmt): No longer record nonzero
8382 values for SSA_NAMEs.
8383 (lookup_avail_expr): No longer use nonzero_vars.
8385 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8386 for sizetype when sizetype is unsigned.
8388 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8390 PR rtl-optimization/25603
8391 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8392 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8393 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8394 with new meaning of SETS.
8396 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8401 * config/linux.opt: New file.
8402 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8403 LINUX_DYNAMIC_LINKER): Define.
8404 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8405 * config.gcc (*-*-linux*): Define extra_options.
8406 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8407 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8408 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8409 GLIBC_DYNAMIC_LINKER.
8410 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8411 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8412 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8414 * doc/invoke.texi (GNU/Linux Options): New section.
8416 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8418 * config/sparc/sparc.md (setjmp): Rewrite.
8419 (setjmp_32): Delete.
8420 (setjmp_64): Likewise.
8422 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8424 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8427 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8429 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8432 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8434 PR rtl-optimization/26296
8435 * Makefile.in (loop-invariant.c): Add except.h dependency.
8436 * loop-invariant.c: Include except.h.
8437 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8439 2005-02-16 Paul Brook <paul@codesourcery.com>
8441 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8444 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8446 PR rtl-optimization/25636
8447 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8448 when deciding whether an insn is an initializing insn.
8450 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8452 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8453 (tree_code_size): Ditto.
8454 * tree.h (struct tree_memory_tag): Remove parent_var.
8455 (struct tree_struct_field_tag): New.
8458 (union tree_node): Add sft member.
8459 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8461 (create_sft): Add size and offset argument, set SFT_OFFSET and
8463 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8464 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8465 * tree-flow-inline.h (get_subvar_at): Update for
8466 SFT_OFFSET/SFT_SIZE.
8467 (var_can_have_subvars): Ditto.
8468 (overlap_subvar): Ditto.
8469 * print-tree.c (print_node): Print out interesting things for
8471 * tree-flow.h (struct subvar): Remove offset and size members.
8472 * tree-ssa-operands.c (get_expr_operands): Update for
8473 get_indirect_ref_operands changes.
8474 (get_indirect_ref_operands): Call add_virtual_operand instead of
8475 add_stmt_operand. Only recurse on base var if requested.
8476 (access_can_touch_variable): New function.
8477 (add_stmt_operand): Split virtual operand handling into ...
8478 (add_virtual_operand): Here. Add offset, size, and for_clobber
8479 arguments. Prune alias sets.
8480 (add_call_clobber_ops): Call add_virtual_operand.
8482 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8485 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8487 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8488 than TREE_CODE as index into omp_clause_num_ops array.
8490 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8492 PR rtl-optimization/26184
8493 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8495 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8496 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8497 must_precede, must_follow and tobe_scheduled.
8500 * opts.c (common_handle_option): Free new_option pointer.
8501 * df-core.c (df_analyze): Free postorder pointer.
8503 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8505 * Makefile.in: Fix the examples about the use of stamps
8507 2006-02-15 Michael Matz <matz@suse.de>
8511 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8512 influenced by maximum_field_alignment or DECL_PACKED.
8513 (update_alignment_for_field): Ditto.
8514 (place_field): Ditto.
8515 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8518 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8520 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8521 (debug_flow_info): Pass it.
8522 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8523 * bb-reorder.c (reorder_basic_blocks): Likewise.
8524 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8525 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8526 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8527 * gcse.c (gcse_main, bypass_jumps): Likewise.
8528 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8529 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8530 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8531 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8532 * rtl.h (dump_flow_info): Adjust prototype.
8533 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8534 * var-tracking.c (variable_tracking_main): Likewise.
8535 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8536 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8539 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8541 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8544 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8546 PR tree-optimization/26209
8547 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8548 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8550 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8552 2006-02-14 Roger Sayle <roger@eyesopen.com>
8555 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8556 (X,Y) and the corresponding symmetry related transformations.
8557 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8558 (X,Y) and its symmetry related transformations.
8560 2006-02-14 Roger Sayle <roger@eyesopen.com>
8562 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8565 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8567 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8569 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8572 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8573 support COMDAT group.
8574 * configure: Regenerate.
8576 2006-02-14 Roger Sayle <roger@eyesopen.com>
8581 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8583 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8585 Fix PR tree-optimization/26260
8587 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8589 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8590 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8591 * tree-ssa-structalias.c (create_variable_info_for): Use
8592 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8594 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8596 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8598 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8599 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8600 of the ending condition.
8601 * tree-ssa-loop-manip.c: Include params.h.
8602 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8603 tree_unroll_loop): New functions.
8604 * tree-pass.h (pass_loop_prefetch): Declare.
8605 * loop.c (rest_of_handle_loop_optimize): Test for
8606 -fprefetch-loop-arrays-rtl.
8607 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8608 * timevar.def (TV_TREE_PREFETCH): New timevar.
8609 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8610 pass_loop_prefetch): New.
8611 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8612 (cleanup_tree_cfg_loop): Call scev_reset.
8613 * common.opt (fprefetch-loop-arrays-rtl): Add.
8614 * tree-ssa-loop-prefetch.c: New file.
8615 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8616 (new_temp_expr_table): Initialize expr_vars.
8617 (free_temp_expr_table): Cleanup expr_vars.
8618 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8619 expressions from being merged into one.
8620 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8621 (struct tree_niter_desc): Add control, bound and cmp fields.
8622 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8624 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8625 (tree-cfgcleanup.o): Add SCEV_H dependency.
8626 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8627 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8629 2006-02-14 Richard Guenther <rguenther@suse.de>
8631 PR tree-optimization/26258
8632 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8633 in PHI argument processing.
8635 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8637 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8638 new expression in the requested machine mode.
8640 2006-02-13 Roger Sayle <roger@eyesopen.com>
8642 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8643 directly, instead let do_compare_rtx_and_jump handle this for us.
8644 * expr.c (expand_expr_real_1): Likewise.
8645 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8646 before do_jump_by_parts_greater.
8647 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8648 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8650 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8652 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8654 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8656 PR rtl-optimization/26235
8657 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8658 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8661 2006-02-13 Jeff Law <law@redhat.com>
8663 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8666 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8669 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8670 twice if decl is a builtin. When trying again, call get_callee_fndecl
8671 first to verify it is still a builtin.
8673 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8675 * dwarf2out.c (base_type_die): Don't add AT_name here.
8676 (subrange_type_die): Don't add AT_name here.
8677 (modified_type_die): Rearrange code flow. Do add AT_name here.
8679 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8681 PR rtl-optimization/26247
8682 PR rtl-optimization/26248
8683 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8685 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8687 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8688 * config/fixtfdi.c: Likewise.
8689 * config/fixunstfdi.c: Likewise.
8690 * config/floatditf.c: Likewise.
8692 2006-02-13 Roger Sayle <roger@eyesopen.com>
8695 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8696 into (X,C2) if C1 is a subset of the bits of C2. Transform
8697 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8699 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8701 2006-02-13 Josh Conner <jconner@apple.com>
8704 * varasm.c (function_section): Check for section name before
8705 calling select_section on targets that define
8706 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8707 unlikely_text_section instead of hot_function_section if
8708 first_function_block_is_cold.
8710 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8713 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8715 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8717 PR rtl-optimization/26222
8718 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8719 after tree->rtl expansion.
8720 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8721 before passing it to emit_move_insn.
8723 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8725 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8727 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8728 Clarify documentation.
8729 * c-common.h (warn_write_strings): Remove.
8730 * c-common.c (warn_write_strings): Likewise.
8731 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8734 2006-02-12 Roger Sayle <roger@eyesopen.com>
8737 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8738 (do_jump_parts_zero_rtx): New function renamed from
8739 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8740 (do_jump_parts_equality_rtx): New function split out from
8741 do_jump_parts_equality. Old implementation renamed as above.
8742 Call do_jump_parts_zero_rtx if either operand is zero.
8743 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8744 do all of the heavy lifting.
8745 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8746 calling either do_jump_by_parts_greater_rtx or
8747 do_jump_by_parts_equality_rtx.
8748 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8749 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8750 moved to do_compare_rtx_and_jump, call it directly.
8751 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8752 mode argument. Call do_compare_rtx_and_jump.
8753 (emit_case_nodes): Update calls to do_jump_if_equal.
8755 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8757 PR rtl-optimization/26225
8758 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8760 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8762 PR rtl-optimization/26232
8763 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8765 2006-02-11 Jason Merrill <jason@redhat.com>
8768 * tree-inline.c (declare_return_variable): Just don't use the
8769 modify target if it's a gimple complex reg and the return slot
8772 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8774 * doc/contrib.texi: Update my entry.
8776 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8778 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8780 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8782 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8785 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8787 * doc/invoke.texi (-floop-optimize2): Removed.
8788 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8789 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8790 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8791 * common.opt (floop-optimize2): Removed.
8792 (fmove-loop-invariants): Enabled by default.
8794 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8796 * tree-if-conv.c (combine_blocks): Free the result of
8797 get_loop_exit_edges.
8799 2006-02-10 Jeff Law <law@redhat.com>
8801 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8803 PR tree-optimization/26213
8804 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8805 loop trying to follow SSA_NAME_VALUE chains.
8807 2006-02-10 Richard Guenther <rguenther@suse.de>
8809 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8810 deal with structures that end in implicitly variable sized arrays.
8812 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8814 PR rtl-optimization/24762
8815 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8818 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8820 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8821 (struct ivopts_data): Add regs_used field.
8822 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8823 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8824 instead of loop_data->regs_used;
8825 (free_loop_data): Do not free aux fields for loops.
8826 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8827 and tree_ssa_iv_optimize_finalize.
8829 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8831 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8833 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8836 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8837 computing the effective result type.
8839 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8842 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8843 (tree_overlaps_hard_reg_set): Declare.
8844 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8845 type and signature to match function type expected by walk_tree.
8846 (tree_overlaps_hard_reg_set): New function.
8847 (decl_conflicts_with_clobbers_p): Rename to:
8848 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8849 Use tree_overlaps_hard_reg_set. Changed caller.
8850 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8851 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8852 * cris.c (cris_md_asm_clobbers): Likewise.
8854 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8856 * reload1.c (emit_input_reload_insns): Delete code that tries to
8857 inherit using find_equiv_reg.
8859 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8861 * c-common.h (flag_const_strings): Don't declare.
8862 * c-common.c (flag_const_strings): Remove.
8863 * c.opt (fconst_strings): Remove.
8864 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8865 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8866 (c_common_init_options): Don't set flag_const_strings.
8867 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8869 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8871 * arm.md (tlobits_cbranch): New pattern.
8872 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8873 testing a single bit.
8875 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8878 * tree-ssa-pre.c (create_component_ref_by_pieces):
8879 Handle RETURN_DECL like VAR_DECL.
8881 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8884 * fold-const.c (fold_indirect_ref_1): Fold
8885 "*(foo *)&complexfoo" to "__real__ complexfoo"
8886 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8888 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8890 * tree-flow-inline.h (var_can_have_subvars):
8891 Volatile variables should not have subvariables.
8893 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8896 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8897 multiplying unsigned values.
8900 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8902 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8904 2006-02-08 Jason Merrill <jason@redhat.com>
8907 * tree.def: Elaborate on difference from MODIFY_EXPR.
8908 * doc/c-tree.texi (INIT_EXPR): Likewise.
8909 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8910 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8911 (gimplify_target_expr): Likewise.
8912 (gimplify_cond_expr): Remove target handling.
8913 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8914 (gimplify_expr): Clobber it here.
8915 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8916 Do return slot optimization if we have an INIT_EXPR.
8919 * tree-inline.c (declare_return_variable): Also clear
8920 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8923 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8926 * gimplify.c (gimplify_one_sizepos): Fix typo.
8928 2006-02-08 Jeff Law <law@redhat.com>
8930 PR tree-optimization/21417
8931 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8932 across a backedge if the control statement at the end of the
8933 block is data dependent on other statements in the same block.
8934 (record_temporary_equivalences_from_stmts): Remove over-conservative
8935 test for threading across backedges.
8937 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8938 control statement, handle all three special cases in the same
8939 manner as they all have the same desired solution. No longer
8940 special case edge flag updating when the post dominator is
8943 2006-02-08 Roger Sayle <roger@eyesopen.com>
8945 * tree.def (CHAR_TYPE): Remove.
8946 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8947 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8948 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8949 (gen_string_type_die): Delete unreachable function.
8951 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8952 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8953 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8954 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8955 * builtins.c (type_to_class): Likewise.
8956 * fold-const.c (fold_convert, build_range_check,
8957 merge_ranges): Likewise.
8958 * expr.c (count_type_elements): Likewise.
8959 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8960 * stor-layout.c (layout_type): Likewise.
8961 * ipa-type-escape.c (type_to_consider): Likewise.
8962 * gimplify.c (omp_firstprivatize_type_sizes,
8963 gimplify_type_sizes): Likewise.
8964 * explow.c (promote_mode): Likewise.
8965 * tree-sra.c (is_sra_scalar_type): Likewise.
8966 * varasm.c (output_constant): Likewise.
8967 * tree-inline.c (remap_type_1): Likewise.
8968 * convert.c (convert_to_pointer, convert_to_real,
8969 convert_to_integer, convert_to_complex): Likewise.
8971 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8973 * df-scan.c (df_def_record_1): A set destination may
8974 be a parallel regardless of mode.
8976 2006-02-08 Roger Sayle <roger@eyesopen.com>
8979 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8980 * config/mips/_tilib.c: Remove.
8981 * config/fixtfdi.c: New libgcc source file.
8982 * config/fixunstfdi.c: New source file.
8983 * config/floatditf.c: New source file.
8984 * config/floatunditf.c: New souce file.
8985 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8986 files above instead of config/mips/_tilib.c.
8987 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8989 2006-02-08 Jeff Law <law@redhat.com>
8991 PR tree-optimization/26169
8992 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8995 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8997 * df.h (DF_REG_SIZE): Return the length of the initialized
9000 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9002 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9003 __muldf3): Return a correctly signed zero.
9005 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9007 * passes.c (register_one_dump_file): Accept the current properties
9008 instead of pass number. Adjust call to dump_register. Remove
9010 (register_dump_files): Now a wrapper around...
9011 (register_dump_files_1): ... this one. Do not modify the pass
9013 (next_pass_1): Cosmetic fix.
9014 (execute_todo): Keep second parameter only. Use curr_properties
9015 instead of fetching it from the pass structure. Check and set
9017 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9018 instead of fetching it from the pass structure. Fix calls to
9019 execute_todo. Update curr_properties and initialize .vcg RTL dump
9020 after running the pass. Reset last_verified.
9021 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9023 (FIRST_AUTO_NUMBERED_DUMP): New.
9024 (dump_register): Remove "num" parameter, assign it within the
9026 (get_dump_file_name): Modify template for dumps.
9027 * tree-dump.h (dump_register): Adjust prototype.
9028 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9029 (PROP_trees): Add PROP_gimple_lomp.
9030 (TODO_set_props): New.
9031 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9032 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9033 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9035 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9037 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9038 (sparc64-*-linux*): Likewise.
9039 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9040 * config/sparc/t-linux: New file.
9041 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9042 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9043 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9044 -m32 -mlong-double-128.
9046 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9047 * config/alpha/t-linux: New file.
9048 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9050 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9051 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9052 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9053 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9054 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9055 (CPP_ARCH32_SPEC): Remove.
9057 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9059 PR tree-optimization/26145
9060 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9063 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9066 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9067 >= 240000 when generating code for SOM runtime.
9068 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9069 to $$dyncall when generating code for SOM runtime..
9071 2006-02-07 Dirk Mueller <dmueller@suse.com>
9074 * doc/invoke.texi (-Wsequence-point): Update documentation
9075 that -Wsequence-point is implemented for C++ as well.
9077 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9079 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9080 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9081 (LIB_SPEC): Likewise.
9082 * doc/invoke.texi (SPARC options): Document -pthread.
9084 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9086 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9089 2006-02-07 Roger Sayle <roger@eyesopen.com>
9091 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9092 Correct comment describing BOOLEAN_TYPE.
9094 2006-02-07 Dirk Mueller <dmueller@suse.com>
9096 * c.opt: C++ frontend supports -Wdiv-by-zero.
9097 * c-opts.c (c_common_handle_option): Remove dead case.
9099 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9101 * configure.ac (TLS assembler check): Do not enable TLS by
9102 default on SPARC/Solaris before version 10.
9103 * configure: Regenerate.
9105 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9107 * doc/invoke.texi (xl-compat): Document conversion and support
9110 2006-02-07 Jeff Law <law@redhat.com>
9112 * tree-vrp.c (find_conditional_asserts): Update comments.
9113 (simplify_stmt_for_jump_threading): New.
9114 (identify_jump_threads, finalize_jump_threads): New.
9115 (vrp_finalize): Call identify_jump_threads.
9116 (execute_vrp): Call finalize_jump_threads.
9117 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9118 (vrp_element, vrp_data, vrp_element_p): Remove.
9119 (vrp_hash_elt, vrp_variables_stack): Remove.
9120 (vrp_hash, vrp_eq, record_range): Remove.
9121 (simplify_cond_and_lookup_avail_expr): Remove.
9122 (extract_range_from_cond): Remove.
9123 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9124 (simplify_stmt_for_jump_threading): New.
9125 (dom_thread_across_edge): New wrapper.
9126 (tree_ssa_dominator_optimize): No longer initialize or
9127 finalize any of the VRP datastructures. Remove iteration
9128 step and simplify as a result of removal of iteration step.
9129 (pass_dominator): Perform a cfg cleanup after DOM.
9130 (dom_opt_finalize_block): Use the new common routines
9131 for threading jumps. Simplify stack management slightly.
9132 No longer need to unwind VRP state.
9133 (record_equivalences_from_incoming_edge): No longer record
9135 (eliminate_redundant_computations): No longer call
9136 simplify_cond_and_lookup_avail_expr.
9137 * tree-flow.h (potentially_threadable_block): Prototype.
9138 (thread_across_edge): Likewise.
9139 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9140 (tree-ssa-threadedge.o): Add dependencies.
9141 * tree-ssa-threadedge.c: New file.
9142 * passes.c (init_optimization_passes): Merge PHIs before
9143 calling VRP. Run VRP again late in the SSA optimization pipeline.
9145 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9147 * df-core.c (df_set_blocks): Do not dereference function pointers.
9148 (df_finish1): Likewise.
9149 (df_hybrid_search_forward): Likewise.
9150 (df_hybrid_search_backward): Likewise.
9151 (df_iterative_dataflow): Likewise.
9152 (df_analyze_problem): Likewise.
9153 (df_compact_blocks): Likewise.
9154 (df_dump): Likewise.
9155 * df-scan.c (df_rescan_blocks): Likewise.
9156 (df_record_entry_block_defs): Likewise.
9158 * genconditions.c (write_conditions): Guard the definition of
9159 'insn_conditions' with the check on GCC version.
9160 (write_writer): Guard the traversal 'insn_conditions' with
9161 the check on GCC version.
9163 2006-02-07 Richard Guenther <rguenther@suse.de>
9167 2006-01-30 Richard Guenther <rguenther@suse.de>
9169 * gimplify.c (gimplify_target_expr): Handle easy cases
9170 without creating a temporary.
9172 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9174 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9175 use of float in probability computations. Use edge probabilities
9176 in place of statically computed probabilities.
9177 (min_spec_prob): New static variable.
9178 (schedule_insns): Initialize it.
9179 (GET_SRC_PROB): Removed.
9180 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9182 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9185 * config/ia64/unwind-ia64.c: Revert last change.
9186 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9187 (INCOMING_FRAME_SP_OFFSET): Define.
9189 2006-02-06 Roger Sayle <roger@eyesopen.com>
9191 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9193 2006-02-07 Ben Elliston <bje@au.ibm.com>
9195 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9196 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9197 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9198 (ix86_return_in_memory): Handle TDmode.
9199 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9200 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9202 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9204 * reorg.c (dbr_schedule): Use dump_file instead of file.
9206 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9209 * config/ia64/predicates.md (extr_len_operand): New predicate.
9210 * config/ia64/ia64.md (extv): Tighten constraints.
9212 (*tbit_and_2): Ditto.
9213 (*tbit_and_3): Ditto.
9214 (*tbit_or_2): Ditto.
9215 (*tbit_or_3): Ditto.
9219 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9222 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9224 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9226 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9227 loop_optimizer_init and loop_optimizer_finalize
9228 * tree-ssa-sink.c (execute_sink_code): Ditto.
9229 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9230 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9231 tree_ssa_loop_done): Ditto.
9232 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9233 * sched-ebb.c: Include output.h.
9234 (schedule_ebbs): Do not use dump argument.
9235 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9236 * loop.c (loop_dump_stream): Removed.
9237 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9239 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9240 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9241 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9242 loop_iterations, strength_reduce, record_biv, record_giv,
9243 final_giv_value, check_final_value, check_ext_dependent_givs,
9244 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9245 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9246 dump_file instead of loop_dump_stream.
9247 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9249 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9251 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9252 * haifa-sched.c: Include output.h
9253 (schedule_insns, sched_init): Do not use dump argument.
9254 * mode-switching.c (optimize_mode_switching): Ditto.
9255 * modulo-sched.c (stats_file): Removed.
9256 (print_node_sched_params): Do not call argument dump_file.
9257 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9258 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9260 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9262 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9263 rtl_loop_init, rtl_loop_done): Ditto.
9264 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9265 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9267 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9268 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9269 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9270 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9271 * emit-rtl.c (renumber_insns): Ditto.
9272 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9273 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9274 * regclass.c (regclass): Ditto.
9275 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9276 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9277 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9278 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9280 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9281 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9283 * gcse.c (gcse_file, debug_stderr): Removed.
9284 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9285 rest_of_handle_gcse): Do not use dump argument.
9286 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9287 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9288 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9289 compute_code_hoist_vbeinout, compute_code_hoist_data,
9290 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9291 compute_store_table, build_store_vectors, insert_insn_start_bb,
9292 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9293 store_motion): Use dump_file instead of gcse_file.
9294 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9295 * profile.c (profile_dump_file): Removed.
9296 (branch_prob): Use dump_file instead of profile_dump_file.
9297 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9299 * tree-ssa-copy.c (dump_copy_of): Ditto.
9300 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9301 dump file to life_analysis.
9302 * bt-load.c (branch_target_load_optimize): Ditto.
9303 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9305 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9306 regclass, dbr_schedule): Declaration changed.
9307 * sched-int.h (sched_init): Declaration changed.
9308 * tree-profile.c (tree_profile_dump_file): Removed.
9309 (tree_profile_hooks): Removed profile_dump_file hook.
9310 * rtl-profile (rtl_profile_dump_file): Removed.
9311 (rtl_profile_hooks): emoved profile_dump_file hook.
9312 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9314 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9315 * tree-cfg.c (build_tree_cfg): Ditto.
9316 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9317 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9318 Declaration changed.
9319 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9320 life_analysis and schedule_insns.
9321 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9323 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9325 * config/mips/mips.c (mips_reorg): Ditto.
9326 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9329 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9331 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9332 (s390_mangle_fundamental_type): New.
9333 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9336 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9337 (alpha_mangle_fundamental_type): New.
9338 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9341 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9343 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9345 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9346 (sparc_mangle_fundamental_type): New.
9348 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9350 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9351 (s390x-*-linux*): Likewise.
9352 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9353 * config/s390/t-linux: New file.
9355 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9357 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9358 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9360 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9362 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9363 (ANTIC_SAFE_LOADS): New macro.
9364 (find_or_generate_expression): Add prototype.
9365 (set_contains_value): Allow null set for sake of not always having
9366 to allocate ANTIC_SAFE_LOADS.
9367 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9368 Allow COMPONENT_REF too.
9369 (valid_in_set): Allow COMPONENT_REF.
9370 Check ANTIC_SAFE_LOADS too.
9371 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9372 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9374 (can_PRE_operation): Add COMPONENT_REF.
9375 (create_component_ref_by_pieces): New function.
9376 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9377 (insert_aux): Move AGGREGATE_TYPE_P check here.
9378 (compute_avail): Set bb local stmt uids.
9379 (pass_pre): Use TODO_update_ssa_only_virtuals.
9381 2006-02-06 Ben Elliston <bje@au.ibm.com>
9383 * configure.ac: Unconditionally disable decimal float by default.
9384 * configure: Regenerate.
9386 2006-02-06 Ben Elliston <bje@au.ibm.com>
9388 * read-rtl.c (read_name): Terminate reading on EOF.
9390 2006-02-06 Ben Elliston <bje@au.ibm.com>
9392 * dfp.c (decimal_real_arithmetic): Change second argument type
9393 from int to enum tree_code. Do not always return true, but now
9394 return result of any call to decimal_do helper functions.
9395 * dfp.h (decimal_real_arithmetic): Update prototype.
9397 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9399 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9401 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9404 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9407 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9409 * tree-vrp.c (cfg_loops): Removed.
9410 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9411 Use current_loops instead of cfg_loops. Pass flags to
9412 loop_optimizer_init.
9413 * cfgloopmanip.c (fix_loop_structure): Update only available
9415 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9416 loop_optimizer_init.
9417 * modulo-sched.c (build_loops_structure): Removed.
9418 (sms_schedule): Use loop_optimizer_init.
9419 * loop-init.c (loop_optimizer_init): Use flags to determine
9420 which properties of loops to prepare.
9421 (rtl_loop_init): Pass flags to loop_optimizer_init.
9422 * tree-ssa-sink.c (execute_sink_code): Ditto.
9423 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9424 * tree-ssa-pre.c (init_pre): Ditto.
9425 * cfgloop.h (LOOPS_NORMAL): New.
9426 (loop_optimizer_init): Declaration changed.
9428 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9430 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9431 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9433 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9435 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9437 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9438 * pa/t-pa64: Delete quadlib.c rule.
9439 * pa/x-ada: Revert last change.
9440 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9442 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9444 PR rtl-optimization/26087
9445 * rtlanal.c (canonicalize_condition): Do not cross basic block
9448 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9451 * config/ia64/ia64.c: Include debug.h.
9452 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9453 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9454 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9455 (process_epilogue, process_set, process_for_unwind_directive):
9456 Output unwind info only if requested. Add CFA info if requested.
9457 Add new arguments as needed. Adjust callers.
9458 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9460 (DWARF2_FRAME_INFO): Define to zero.
9461 * config/ia64/unwind-ia64.c: Remove code that compensated for
9462 the CFA offset error fixed above.
9463 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9464 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9465 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9466 -funwind-tables and -fexceptions to enable frame info.
9467 (dwarf2out_frame_init): Define initial CFA even if
9468 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9469 DWARF2_UNWIND_INFO is nonzero, not just defined.
9470 (dwarf2out_frame_finish): Output non-EH call frame info only
9471 if DWARF2_FRAME_INFO is nonzero.
9472 (convert_cfa_to_loc_list,
9473 compute_frame_pointer_to_cfa_displacement): Define even if
9474 unwind info is not supported.
9475 (gen_subprogram_die): Use the above unconditionally. Remove
9476 legacy alternate code.
9477 * toplev.c (compile_file): Compile in call to
9478 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9479 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9481 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9482 Jakub Jelinek <jakub@redhat.com>
9484 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9485 IBM extended float format long double as "g" on powerpc*-linux.
9487 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9490 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9491 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9493 2006-02-03 Jason Merrill <jason@redhat.com>
9496 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9499 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9500 on the return slot if it's an NRV.
9502 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9504 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9505 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9506 rewrite_use): Do not handle USE_OUTER.
9507 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9508 add_iv_outer_candidates, may_replace_final_value,
9509 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9510 (find_interesting_uses_op): Functionality of
9511 find_interesting_uses_outer_or_nonlin moved here.
9512 (find_interesting_uses_outside): Use find_interesting_uses_op.
9514 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9517 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9519 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9520 Ulrich Weigand <uweigand@de.ibm.com>
9523 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9524 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9525 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9526 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9528 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9529 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9530 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9531 Define secondary reloads for TFmode moves.
9532 (constant_modes): Add TFmode.
9533 (NR_C_MODES): Set to 8.
9534 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9536 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9537 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9538 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9539 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9540 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9541 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9542 (FPR mode macro): Add TFmode.
9543 (DSF mode macro): New.
9544 (<de>, <dee> mode attributes): Removed.
9545 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9546 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9547 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9548 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9549 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9550 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9551 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9552 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9553 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9554 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9555 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9556 "*negabs<mode>2", "sqrt<mode>2"):
9557 Changed <de> to <xde>. R constraint replaced by <Rf>.
9558 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9560 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9561 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9562 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9564 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9565 "extenddftf2", "extendsftf2"): New expanders.
9566 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9567 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9568 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9569 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9571 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9572 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9573 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9574 __floatditf): Add a GCC_4.1.0 symbol version tag.
9575 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9578 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9581 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9582 Use targetm.binds_local_p instead of TREE_PUBLIC.
9584 2006-02-02 Roger Sayle <roger@eyesopen.com>
9586 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9587 on INTEGER_TYPEs to indicate that it denotes a character type.
9588 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9589 signed_char_type_node, unsigned_char_type_node and char_type_node.
9590 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9591 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9592 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9594 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9595 Daniel Berlin <dberlin@dberlin.org>
9597 * tree-tailcall.c (arg_needs_copy_p): New function.
9598 (eliminate_tail_call): Use arg_needs_copy_p.
9599 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9600 (add_virtual_phis): New function.
9602 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9604 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9605 #ignore instead of #scratch for %g7 .register directive.
9607 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9609 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9612 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9614 * flow.c (calculate_global_regs_live): Assert that there aren't any
9617 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9619 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9621 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9622 bsi_after_labels iterator.
9623 * tree-if-conv.c (find_phi_replacement_condition,
9624 replace_phi_with_cond_modify_expr): Likewise.
9625 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9626 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9628 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9630 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9632 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9635 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9636 array after growing it.
9638 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9641 * fold-const.c (fold_checksum_tree): Change type of buf.
9643 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9645 * reload.c (push_secondary_reload): Initialize t_icode.
9647 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9649 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9650 -msoft-float -mlong-double-128 only issue a warning, but don't
9651 swich to DFmode long double.
9653 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9655 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9656 has a constant equivalent, iterate over equivalents for arg0,
9657 calling simplify_relational_operation and if there's a result
9658 cheaper than X, apply fold_rtx and return the result.
9660 2006-02-01 Jan Hubicka <jh@suse.cz>
9662 * opts.c (no_unit_at_a_time_default): New global variable.
9663 (decode_options): Use it.
9664 * opts.h (no_unit_at_a_time_default): Declare.
9666 2006-02-01 Paul Brook <paul@codesourcery.com>
9668 * function.c (assign_parm_setup_reg): Use function argument promotion
9670 * expr.c (expand_expr_real_1): Use function argument promotion rules
9673 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9675 * gcc.c (process_command): Change j to 'unsigned int'.
9677 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9680 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9681 Use the corrected index for the character
9682 out of the string constant.
9684 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9686 * mode-switching.c (optimize_mode_switching): Fix size
9687 allocated for bb_info[n_entities].
9689 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9691 * gcc.c (main): Correct type that is allocated for
9692 explicit_link_files.
9694 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9696 * config/s390/s390.c (init_alignment_context): Set
9697 ALIAS_SET_MEMORY_BARRIER on the MEM.
9698 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9700 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9703 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9705 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9708 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9710 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9711 * regrename.c: Ditto.
9712 * tree-ssa-loop-im.c: Ditto.
9713 * tree-dump.c: Ditto.
9714 * tree-complex.c: Ditto.
9715 * genrecog.c: Ditto.
9716 * tree-ssa-threadupdate.c: Ditto.
9718 * java/class.c: Ditto.
9719 * java/jcf-parse.c: Ditto.
9720 * java/resource.c: Ditto.
9721 * java/except.c: Ditto.
9722 * java/jvspec.c: Ditto.
9723 * java/jcf-write.c: Ditto.
9724 * java/jcf-path.c: Ditto.
9725 * java/gjavah.c: Ditto.
9726 * java/zextract.c: Ditto.
9727 * java/jcf-io.c: Ditto.
9728 * java/jcf.h: Ditto.
9729 * java/buffer.c: Ditto.
9730 * java/lang.c: Ditto.
9731 * java/parse-scan.y: Ditto.
9732 * java/lex.c: Ditto.
9733 * java/lex.h: Ditto.
9734 * cfgloopmanip.c: Ditto.
9735 * postreload-gcse.c: Ditto.
9736 * tree-ssa-loop-manip.c: Ditto.
9737 * postreload.c: Ditto.
9738 * tree-ssa-loop-ch.c: Ditto.
9742 * diagnostic.c: Ditto.
9744 * genoutput.c: Ditto.
9746 * cfghooks.c: Ditto.
9747 * cfgloopanal.c: Ditto.
9748 * objc/objc-act.c: Ditto.
9750 * genextract.c: Ditto.
9751 * genautomata.c: Ditto.
9752 * pretty-print.c: Ditto.
9754 * cgraphunit.c: Ditto.
9757 * haifa-sched.c: Ditto.
9758 * dominance.c: Ditto.
9760 * tree-ssa-loop-ivopts.c: Ditto.
9762 * mode-switching.c: Ditto.
9763 * modulo-sched.c: Ditto.
9765 * ipa-pure-const.c: Ditto.
9767 * fix-header.c: Ditto.
9769 * tree-stdarg.c: Ditto.
9770 * ipa-utils.c: Ditto.
9771 * loop-init.c: Ditto.
9772 * ipa-inline.c: Ditto.
9775 * alloc-pool.c: Ditto.
9776 * dwarf2out.c: Ditto.
9778 * genattrtab.c: Ditto.
9779 * tree-ssa-loop-ivcanon.c: Ditto.
9783 * fortran/gfortranspec.c: Ditto.
9785 * local-alloc.c: Ditto.
9786 * langhooks.c: Ditto.
9787 * function.c: Ditto.
9788 * tree-vectorizer.c: Ditto.
9790 * ipa-type-escape.c: Ditto.
9792 * tree-if-conv.c: Ditto.
9795 * tree-data-ref.c: Ditto.
9796 * loop-unroll.c: Ditto.
9797 * treelang/treetree.c: Ditto.
9800 * ggc-common.c: Ditto.
9802 * coverage.c: Ditto.
9804 * tree-cfgcleanup.c: Ditto.
9805 * tree-ssa-pre.c: Ditto.
9806 * cfgcleanup.c: Ditto.
9807 * loop-invariant.c: Ditto.
9809 * ipa-prop.c: Ditto.
9810 * print-tree.c: Ditto.
9811 * conflict.c: Ditto.
9812 * ggc-page.c: Ditto.
9813 * sched-deps.c: Ditto.
9814 * regclass.c: Ditto.
9815 * tree-object-size.c: Ditto.
9817 * bb-reorder.c: Ditto.
9818 * resource.c: Ditto.
9819 * var-tracking.c: Ditto.
9821 * df-problems.c: Ditto.
9822 * reg-stack.c: Ditto.
9825 * sched-rgn.c: Ditto.
9826 * tree-ssa-structalias.c: Ditto.
9827 * tree-ssa-reassoc.c: Ditto.
9828 * config/darwin-c.c: Ditto.
9829 * config/darwin.c: Ditto.
9830 * config/arm/arm.c: Ditto.
9832 * collect2.c: Ditto.
9835 2006-01-31 Nicolas Pitre <nico@cam.org>
9837 * arm.md (smaxsi3): Make aware of smax_m1.
9840 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9842 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9844 2006-01-31 Richard Guenther <rguenther@suse.de>
9846 * doc/invoke.texi (-msselibm): Document.
9847 * target.h (expand_library_builtin): New target hook.
9848 * builtins.c (expand_builtin): Use expand_library_builtin.
9849 (default_expand_library_builtin): New function.
9850 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9851 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9852 (link_gcc_math_spec): Declare.
9853 (static_specs): Add link_gcc_math_spec.
9854 * expr.h (default_expand_library_builtin): Declare.
9855 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9856 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9857 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9858 * config/i386/i386.opt (msselibm): New target option.
9859 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9860 (ix86_init_sse_abi_builtins): New function.
9861 (ix86_expand_library_builtin): Likewise.
9862 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9863 (override_options): Handle error conditions wrt -msselibm.
9864 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9865 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9866 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9869 2006-01-31 Richard Guenther <rguenther@suse.de>
9870 Paolo Bonzini <bonzini@gnu.org>
9872 * doc/install.texi (--disable-libgcc-math): Document.
9874 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9876 * expr.h (expand_normal): new inline function.
9877 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9879 * dwarf2out.c: use it.
9884 * config/sparc/sparc.c: use it.
9885 * config/i386/i386.c: use it.
9886 * config/rs6000/rs6000.c: use it.
9887 * config/arm/arm.c: use it.
9888 * config/mips/mips.c: use it.
9889 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9891 2006-01-30 Roger Sayle <roger@eyesopen.com>
9893 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9894 argv to the appropriate type.
9896 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9898 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9901 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9904 * config/s390/s390.c (struct machine_function): New flag
9905 decomposed_literal_pool_addresses_ok_p.
9906 (s390_reorg): Set it before final stage of literal pool transforms.
9907 (s390_decompose_address): Only accept displacements of the form
9908 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9910 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9912 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9913 the comparison routine return.
9915 2006-01-30 Michael Matz <matz@suse.de>
9917 * global.c (find_reg): Only evict for global regs.
9918 Take n_refs into account and dump more info.
9920 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9923 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9924 (pragma_trap, pragma_nosave_low_regs): Likewise.
9925 (current_function_anonymous_args): Likewise.
9926 (sh_deferred_function_attributes): New variable.
9927 (sh_deferred_function_attributes_tail): Likewise.
9928 (print_operand): For '@', look up trap_exit attribute.
9929 (calc_live_regs): Look up trapa_handler attribute. For trapa
9930 handlers, save/restore fpscr, but don't do any other
9931 interrupt-specific saves.
9932 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9933 Fix check for partially saved registers to check for SHmedia.
9934 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9935 (sh_output_function_epilogue): Don't clear any of the removed
9937 (sh_insert_attributes): Don't check pragma_interrupt.
9938 Insert deferred attributes. Check that interrupt attribute is
9939 present for other attributes that require its presence.
9940 (sh_attribute_table): Add new attributes trapa_handler and
9942 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9943 Don't check for pragma_interrupt. Don't store argument.
9944 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9945 (sh_deferred_function_attributes): Declare.
9946 (sh_deferred_function_attributes_tail): Likewise.
9947 * sh.md (sp_switch_1): Add operand. Change generator caller.
9948 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9949 (*return_i): Don't use when trap_exit attribute is in effect.
9950 (*return_trapa): New insn pattern.
9952 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9953 setting c_target_objs and cxx_target_objs.
9954 * t-sh: Add rule for sh-c.o.
9956 2006-01-30 Richard Guenther <rguenther@suse.de>
9959 * gimplify.c (gimplify_target_expr): Handle easy cases
9960 without creating a temporary.
9962 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9964 * vec.h (safe_grow): Remove duplicated line.
9966 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9969 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9970 (expand_omp): ... here.
9971 (expand_omp_parallel): Only remove barriers for combined
9972 parallel+workshare constructs.
9974 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9978 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9979 * tree.c (build_qualified_type): Chain the new type to the original
9980 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9981 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9982 (build_pointer_type_for_mode): Only return unqualified types.
9983 (build_reference_type_for_mode): Likewise.
9985 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9987 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9988 * Makefile.in (CXX_COMPAT_WARN): Define.
9989 * configure: Regenerate.
9991 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9994 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9997 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9999 * toplev.c: Fix thinko.
10001 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10002 Marcin Dalecki <martin@dalecki.de>
10004 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10005 (push_srcloc): Use XNEW.
10006 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10008 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10010 * df-core.c (df_set_blocks): Deleted all variable.
10012 2006-01-28 Ian Lance Taylor <ian@airs.com>
10014 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10015 cgraph_output_pending_asms.
10017 2006-01-28 Zack Weinberg <zackw@panix.com>
10019 * c.opt: Add -W(no-)overlength-strings.
10020 * doc/invoke.texi: Document it.
10021 * c-opts.c (c_common_handle_option): -pedantic implies
10022 -Woverlength-strings, if not explicitly disabled already.
10023 (c_common_post_options): -Woverlength-strings defaults to off, and
10024 is always off for C++.
10025 * c-common.c (fix_string_type): Issue warning about strings longer
10026 than is portable only if warn_overlength_strings. Rearrange code
10027 a little for clarity.
10028 * configure.in: Check for -Wno-overlength-strings as well before
10029 enabling -pedantic in stage 1.
10030 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10031 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10033 * genconditions.c (write_header, write_one_condition)
10034 (write_conditions, write_writer): Consolidate very long strings
10035 that were broken up to fit in C89 portable limit. Don't use
10036 printf when fputs will do.
10038 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10040 * combine.c (simplify_comparison <AND>): Check
10041 TRULY_NOOP_TRUNCATION before start using a subreg.
10043 * config/mips/mips.md (*branch_zero<mode>,
10044 *branch_zero<mode>_inverted, *branch_equality<mode>,
10045 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10046 Remove mode check from comparisons.
10048 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10050 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10052 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10054 * expmed.c (const_mult_add_overflow_p): Remove.
10055 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10057 * recog.c (validate_replace_rtx_subexp): Remove.
10058 * recog.h: Remove the prototype for
10059 validate_replace_rtx_subexp.
10061 * integrate.h: Remove the prototype for
10062 copy_decl_for_inlining.
10063 * rtl.h: Remove the prototype for mark_constant_function.
10064 * tree-vectorizer.h: Remove the prototype for
10065 vect_strip_conversion.
10067 * modulo-sched.c (create_partial_schedule,
10068 free_partial_schedule, reset_partial_schedule): Make them
10071 * hooks.c (hook_bool_rtx_int_false): Remove.
10072 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10074 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10076 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10077 and -mlong-double-128 are incompatible.
10078 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10079 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10080 (TARGET_LIBGCC2_CFLAGS): Define.
10081 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10082 (TARGET_LIBGCC2_CFLAGS): Same.
10083 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10085 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10088 * c-typeck.c (build_binary_op): Perform implicit casts of
10089 operands before shortening them.
10091 * cfgloopmanip.c (split_loop_bb): Remove.
10092 * cfgloop.h: Remove the prototype for split_loop_bb.
10094 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10095 * cfgloop.h: Remove the prototype for
10096 flow_loop_outside_edge_p.
10098 * emit-rtl.c (init_virtual_regs): Make it static.
10099 * function.h: Remove the prototype for init_virtual_regs.
10101 * recog.c (peephole2_optimize): Make it static.
10102 * recog.h: Remove the prototype for peephole2_optimize.
10104 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10106 * df-scan.c (df_record_entry_block_defs): Check if
10107 INCOMING_RETURN_ADDR_RTX is defined.
10109 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10110 Kenneth Zadeck <zadeck@naturalbridge.com>
10112 PR rtl-optimization/24762
10113 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10114 * targhooks.c (hook_void_bitmap): New hook prototype.
10115 * targhoohs.h (hook_void_bitmap): Ditto.
10116 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10117 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10118 * target.h (live_on_entry): New function pointer.
10119 * df-scan.c (df_all_hard_regs): Removed.
10120 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10121 (df_scan_free_internal): Added df->entry_block_defs.
10122 (df_scan_alloc): Ditto.
10123 (df_scan_dump): Ditto.
10124 (df_uses_record): Plumbed flag field properly thru calls.
10125 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10126 This part fixes PR24762.
10127 (df_bb_refs_record): Added code to make the frame and arg
10128 pointers live in EH blocks.
10129 (df_refs_record): Added call to df_record_entry_block_defs.
10130 (df_record_entry_block_defs): New function.
10131 * df-core.c: Added comments to describe new artifical defs.
10132 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10133 (entry_block_defs): New field in struct df.
10134 (df_all_hard_regs): Deleted.
10135 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10136 * df-problems.c (df_ru_bb_local_compute_process_def):
10137 Added code to handle artifical defs in the entry to a function.
10138 (df_ru_bb_local_compute): Ditto.
10139 (df_rd_bb_local_compute_process_def): Ditto.
10140 (df_rd_bb_local_compute): Ditto.
10141 (df_lr_bb_local_compute): Ditto.
10142 (df_ur_bb_local_compute): Ditto.
10143 (df_urec_bb_local_compute): Ditto.
10144 (df_chain_create_bb): Ditto.
10145 (df_ur_local_finalize): Removed entry.
10146 (df_urec_init): Ditto.
10147 (df_urec_local_finalize): Ditto.
10148 (df_ri_bb_compute): Added detection of last use of pseudos.
10149 * Makefile.in (df-scan.o): Updated dependencies.
10150 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10151 * config/mips/mips.c (mips_set_live_on_entry): Added.
10152 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10154 * dce.c (marked_insn_p): Added code to handle artifical defs.
10156 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10158 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10160 (_mm_cvtsi128_si64): Likewise.
10161 (_mm_cvtsd_si64): Likewise.
10162 (_mm_cvttsd_si64): Likewise.
10163 (_mm_cvtsi64_sd): Likewise.
10164 (_mm_cvtsi64_si128): Likewise.
10165 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10166 (_mm_cvtsi64_m64): Likewise.
10167 (_m_to_int64): Likewise.
10168 (_mm_cvtm64_si64): Likewise.
10169 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10170 (_mm_cvttss_si64): Likewise.
10171 (_mm_cvtsi64_ss): Likewise.
10172 (_mm_cvtss_f32): Likewise.
10174 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10176 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10177 for pragma redefine_extname.
10179 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10182 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10183 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10184 -mno-minimal-toc to previous content.
10185 (bispecs): Remove goal.
10186 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10187 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10188 compatibility aliases on powerpc-*-*gnu*.
10189 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10190 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10191 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10192 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10193 (ldblspecs): New goal.
10194 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10195 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10197 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10198 L_sf_to_tf or L_df_to_tf is defined.
10200 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10201 Alan Modra <amodra@bigpond.net.au>
10204 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10205 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10206 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10207 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10208 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10209 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10210 (rs6000_override_options): Initialize rs6000_ieeequad.
10211 Initialize TFmode format to ibm_extended_format if not
10213 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10215 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10216 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10217 (function_arg_advance): IBM long double passed in two FPRs, not
10219 (function_arg): IBM long double passed in FPRs.
10220 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10221 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10222 Only multireg GPR aligned.
10223 (rs6000_init_libfuncs): Enable IBM long double functions if not
10225 (rs6000_generate_compare): Use IBM long double compare if not
10227 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10228 (TARGET_IEEEQUAD): Define.
10229 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10230 not TARGET_IEEEQUAD.
10231 * config/rs6000/rs6000.md: Enable TFmode patterns if
10233 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10234 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10235 and -mlong-double-128 are incompatible.
10236 * doc/invoke.texi (-mabi): Collect options together. Add
10237 ibmlongdouble and ieeelongdouble.
10239 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10241 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10243 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10244 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10245 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10246 * rtl.h (rtunion_def): Remove rt_ptr.
10248 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10249 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10250 * config/i386/winnt.c (i386_pe_mark_dllexport)
10251 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10253 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10255 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10257 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10261 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10262 pthread_key_delete. From John David Anglin. gthrw-ify
10263 pthread_getunique_np only if it it's not a macro. Delete
10265 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10266 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10267 __gthread_objc_condition_signal, __gthread_key_delete): Add
10268 "__attribute__ ((__unused__))" to unused arguments.
10269 (__gthread_recursive_mutex_init_function): Add missing return.
10270 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10271 gthr-posix95.h: Use macro-based approach for name redirection
10272 on targets missing weakref.
10274 2006-01-26 Zack Weinberg <zackw@panix.com>
10276 * genconditions.c (write_header): In generated code, #ifdef out
10277 all includes and fake declarations, except includes of bconfig.h
10278 and system.h, unless GCC_VERSION >= 3001. Do not include
10279 gensupport.h in any case.
10280 (write_conditions): Generate a definition of struct c_test. Add
10281 a comment to the generated #endif.
10282 (write_one_condition): Escape backslashes in string too.
10283 (write_writer): Generated code must escape backslashes and quote
10284 marks (but not newlines) in the strings it writes.
10285 * Makefile.in (build/gencondmd.o): Update dependencies.
10287 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10290 * Makefile.in (insn-automata.o): Add header file dependencies.
10291 * genautomata.c: Add includes.
10293 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10296 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10298 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10300 * configure.ac: Expect target tools paths to be passed from the toplevel
10301 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10303 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10305 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10308 * c.opt (Wpointer-sign): Init to -1.
10309 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10310 OPT_pedantic, to 0 otherwise.
10311 * doc/invoke.texi: Update.
10313 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10315 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10316 constants provided by 80387 instructions in the destination mode.
10318 2006-01-26 Richard Guenther <rguenther@suse.de>
10319 Andrew Pinski <pinskia@physics.uc.edu>
10322 partial PR tree-opt/17064
10323 * tree-ssa-structalias.c (intra_create_variable_infos):
10324 Create heap variables for incoming parameters if
10325 flag_argument_noalias > 1.
10326 (find_what_p_points_to): Look through default defs of
10329 2006-01-26 Jeff Law <law@redhat.com>
10332 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10333 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10334 within the VR_RANGE, use the VR_RANGE as the result, not the
10336 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10337 bounds for the type.
10339 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10341 * tree-ssa-alias.c (maybe_create_global_var): Change
10342 subvar walking to an assertion that we don't have subvar'd variables.
10344 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10347 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10348 Use a new variable, inner. PARM_DECLs are always non-weak.
10350 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10352 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10353 --disable-checking.
10355 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10357 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10359 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10361 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10362 (smax_insn, smin_insn, smax_0, smin_0): New.
10364 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10367 * config/cris/cris.c (cris_order_for_addsi3): New function.
10368 * config/cris/cris-protos.h: Prototype it.
10369 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10370 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10371 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10372 (split for "op.S1 [rx=rx+i],ry (swapped)")
10373 (split for "op(s|u).S1 [rx=rx+i],ry")
10374 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10375 Apply cris_order_for_addsi3 when generating addsi3 insns.
10377 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10379 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10380 (TREE_BLOCK): Add call to EXPR_CHECK.
10382 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10385 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10386 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10387 (dump_omp_clauses): ... here.
10388 (dump_generic_node): Handle OMP_CLAUSE.
10389 * tree.c (omp_clause_num_ops): New.
10390 (omp_clause_code_name): New.
10391 (tree_code_size): Handle OMP_CLAUSE.
10392 (tree_size): Likewise.
10393 (make_node): Document handling of OMP_CLAUSE.
10394 (tree_node_structure): Handle OMP_CLAUSE.
10395 (omp_clause_check_failed): New.
10396 (omp_clause_range_check_failed): New.
10397 (omp_clause_operand_check_failed): New.
10398 (build_omp_clause): New.
10399 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10400 * tree.h (enum omp_clause_code): Declare.
10401 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10402 (OMP_CLAUSE_RANGE_CHECK): Define.
10403 (OMP_CLAUSE_ELT_CHECK): Define.
10404 (omp_clause_check_failed): Declare.
10405 (omp_clause_operand_check_failed): Declare.
10406 (omp_clause_range_check_failed): Declare.
10407 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10408 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10409 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10410 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10411 (OMP_CLAUSE_IF_EXPR): Likewise.
10412 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10413 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10414 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10415 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10416 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10417 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10418 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10419 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10420 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10421 (OMP_CLAUSE_CODE): Define.
10422 (OMP_CLAUSE_SET_CODE): Define.
10423 (OMP_CLAUSE_CODE): Define.
10424 (OMP_CLAUSE_OPERAND): Define.
10425 (struct tree_omp_clause): Declare.
10426 (union tree_node): Add field 'omp_clause'.
10427 * treestruct.def (TS_OMP_CLAUSE): Define.
10428 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10429 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10430 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10431 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10432 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10433 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10434 (OMP_CLAUSE): Define.
10435 * print-tree.c (print_node): Handle OMP_CLAUSE.
10436 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10437 * c-typeck.c: Likewise.
10438 * gimplify.c: Likewise.
10439 * c-omp.c: Likewise.
10440 * tree-nested.c: Likewise.
10441 * tree-inline.c: Likewise.
10442 * c-parser.c: Likewise.
10443 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10446 2006-01-25 Roger Sayle <roger@eyesopen.com>
10448 PR rtl-optimization/25703
10449 * combine.c (try_combine): Handle zero_extract and strict_low_part
10450 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10452 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10454 * global.c: Fix comment typos.
10456 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10459 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10460 Use output_addr_const instead of assemble_name.
10462 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10464 * Makefile.in (sched-vis.o): Update dependencies.
10465 * haifa-sched.c (sched_finish): Clear current_sched_info.
10466 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10467 (dump_flow_info): Call it.
10468 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10470 * basic-block.h (dump_bb_info): Declare.
10471 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10472 option, and apply options only for dump files whose TDF_RTL,
10473 TDF_TREE, or TDF_IPA bits match.
10474 * rtl.h: Declare new functions exported from sched-vis.c.
10475 * sched-vis.c: Enable also if scheduling is not used.
10476 (print_value): Print the mode of registers if not inside scheduling.
10477 (print_insn): Make it work outside the scheduler. Beautify the output
10479 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10481 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10483 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10484 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10485 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10486 depending on the value of CONSTANT_POOL_ADDRESS_P.
10487 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10489 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10490 rather than SYMBOL_REF_DECL.
10491 (rtx_constant_pool): Remove const_rtx_sym_htab.
10492 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10493 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10494 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10495 Remove handling of const_rtx_sym_htab.
10496 (find_pool_constant): Delete.
10497 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10498 rather than find_pool_constant.
10499 (get_pool_constant_for_function): Delete.
10500 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10501 find_pool_constant.
10502 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10503 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10504 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10505 (SYMBOL_REF_CONSTANT): New macro.
10506 (get_pool_constant_for_function): Delete.
10507 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10508 rather than SYMBOL_REF_DECL.
10509 (i386_pe_mark_dllimport): Likewise.
10510 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10511 rather than SYMBOL_REF_DECL.
10512 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10513 (machopic_indirect_call_target): Likewise.
10515 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10517 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10519 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10521 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10523 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10525 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10527 2006-01-24 David Daney <ddaney@avtrex.com>
10530 * configure.ac (enable_tls): New enable option.
10531 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10532 * configure: Regenerate.
10533 * doc/install.texi (--enable-tls): Document new option.
10534 (--disable-tls): Ditto.
10536 2006-01-24 Richard Henderson <rth@redehat.com>
10538 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10539 * alias.c (true_dependence): Respect it.
10540 (canon_true_dependence, write_dependence_p): Likewise.
10541 * builtins.c (get_builtin_sync_mem): Set it.
10543 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10545 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10548 2006-01-24 DJ Delorie <dj@redhat.com>
10550 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10551 for storing constants in single-bit bitfields.
10553 2006-01-25 Ben Elliston <bje@au.ibm.com>
10555 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10557 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10560 * tree-ssa-pre.c (phi_translate): Return NULL
10561 for AGGREGATE_TYPE's.
10563 2006-01-24 Zack Weinberg <zackw@panix.com>
10565 * genautomata.c (process_state_for_insn_equiv_partition):
10566 Use xcalloc for insn_arcs_array.
10567 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10568 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10570 2006-01-24 Richard Henderson <rth@redhat.com>
10572 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10573 update all callers.
10575 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10577 PR rtl-optimization/25890
10578 PR rtl-optimization/25905
10579 * combine.c (expand_compound_operation, expand_field_assignment):
10580 Fail if the bitfield's final position is out of bounds.
10582 2006-01-24 Ian Lance Taylor <ian@airs.com>
10584 PR middle-end/25930
10585 * cgraphunit.c (cgraph_output_in_order): Don't clear
10586 cgraph_asm_nodes until after asm strings have been output.
10588 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10590 * fix-header.c (read_scan_file): Add new parameter imultilib when
10591 calling register_include_chains.
10593 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10595 * omp-low.c: Update documentation.
10597 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10598 Daniel Berlin <dberlin@dberlin.org>
10602 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10603 return from the function.
10605 2006-01-22 Zack Weinberg <zackw@panix.com>
10607 * rtl.def (match_code): Add second argument.
10608 * genpreds.c (write_extract_subexp): New function.
10609 (write_match_code): Add path argument. Use write_extract_subexp.
10610 (write_predicate_expr): Pass path to write_match_code.
10611 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10612 not perform a mode test.
10613 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10614 a subexpression does not constrain the top-level code set.
10615 * read-rtl.c (read_rtx_variadic): New function.
10616 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10617 * doc/md.texi: Document new notation.
10618 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10619 (cmpsi_operand): ... here, using new notation.
10621 2006-01-22 Zack Weinberg <zackw@panix.com>
10623 * varray.c: Remove GENERATOR_FILE #ifdefs.
10625 2006-01-22 Zack Weinberg <zackw@panix.com>
10627 * genautomata.c (output_reserved_units_table): Emit nothing if
10628 description->query_units_num is zero. Remove extra blank line.
10629 (output_cpu_unit_reservation_p): Short circuit
10630 if description->query_units_num is zero.
10632 2006-01-22 Zack Weinberg <zackw@panix.com>
10634 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10635 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10636 nor any of the random handful of variables that used to be necessary
10637 when this program was linked with rtlanal.o. Prune set of forward
10638 function declarations.
10639 (struct attr_desc): Remove static_p field.
10640 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10641 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10642 (attr_string): Do not read the character one past the length of
10644 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10645 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10646 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10647 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10648 (make_automaton_attrs): New.
10649 (main): Do not call into genautomata. Call local gen_bypass
10650 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10651 Remove special case for insn_alts.
10652 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10653 varray.h (leftover from previous change). Prune set of forward
10654 function declarations. Remove state_alts fields from all
10655 structures. Remove state_alts_table from struct automaton.
10656 Make everything except main static. Do not maintain num_dfa_decls.
10657 Do not maintain state_alts fields of various structures.
10658 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10659 (add_arc): Remove state_alts argument. All callers updated.
10660 (output_reserved_units_table): Emit #ifdef here...
10661 (output_tables): ...not here. Don't generate state_alts tables.
10662 (expand_automata): Don't generate attributes.
10663 (write_automata): Don't generate state_alts functions.
10664 (main): New function.
10665 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10666 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10667 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10668 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10669 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10670 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10671 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10672 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10674 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10675 * genattrtab.h: Delete file.
10676 * Makefile.in (OBJS-common): Add insn-automata.o.
10677 (insn-automata.o): New rule.
10678 (simple_generated_c): Add insn-automata.c.
10679 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10680 (genprogmd): Add automata.
10681 (build/genattrtab): Needs no extra objects nor libraries.
10682 (build/genautomata): Needs build/vec.o and -lm.
10684 2006-01-22 Zack Weinberg <zackw@panix.com>
10686 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10687 (output_dfa_max_issue_rate, locked_states_num): Delete.
10688 (struct automaton): Add locked_states field.
10689 (output_dead_lock_vect): Save number of locked states in
10690 automaton->locked_states. If it is zero, don't print anything.
10691 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10692 (output_internal_dead_lock_func): Only test the dead_lock_vect
10693 for automata that have locked states.
10694 (output_statistics): Always print the number of locked states for
10695 each automaton. Calculate total number of locked states here.
10696 (write_automata): Don't call output_dfa_max_issue_rate.
10697 * genattrtab.c: Define length_unit_log as a const variable.
10698 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10699 max_insn_queue_index const.
10700 * final.c (length_unit_log): Declare const.
10701 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10703 2006-01-22 Zack Weinberg <zackw@panix.com>
10705 * genautomata.c: Include vec.h, not varray.h.
10706 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10707 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10708 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10709 VEC_* macros operating on appropriately typed vectors, or to
10710 malloced arrays when the size is known in advance. Const-ify
10711 many char* variables and function arguments. No functional changes.
10712 * Makefile.in (build/varray.o): Delete rule.
10713 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10714 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10716 2006-01-22 Zack Weinberg <zackw@panix.com>
10718 * gensupport.c: Define get_insn_name and record_insn_name here.
10719 (read_md_rtx): Call record_insn_name as appropriate.
10720 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10721 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10722 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10724 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10725 (BUILD_VARRAY): Delete.
10726 (genprognormal): Rename genprogmd. Fold in all programs from
10727 genprognoprint; also attrtab.
10728 (build/genattrtab): Just mention genautomata.o and varray.o.
10729 Reorganize a bit, add comments to make the categories clearer.
10731 2006-01-22 Zack Weinberg <zackw@panix.com>
10733 * genconditions.c (condition_table, add_condition): Delete.
10734 (write_conditions): Don't emit n_insn_conditions nor
10735 insn_elision_unavailable. Issue the gcc version #ifdef here,
10736 inside the table, with no #else clause ...
10737 (write_header): ...not here.
10738 (write_writer): New function.
10739 (main): Don't initialize condition_table. Use add_c_test.
10741 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10742 files on the command line.
10743 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10744 Return -1 if there is no entry in the table, don't abort.
10745 (add_c_test, traverse_c_tests): New functions.
10746 * gensupport.h (insn_elision_unavailable, insn_conditions)
10747 (n_insn_conditions): Delete declarations.
10748 (add_c_test, traverse_c_tests): Declare.
10749 * read-rtl.c: Include gensupport.h.
10750 (read_conditions): New function.
10751 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10752 (read_rtx_1): If we get EOF when we were looking for an initial
10753 open paren, return 0. Call read_conditions when appropriate.
10754 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10755 dummy-conditions.o. Eliminate references to insn-conditions.o,
10756 or change them to build/gencondmd.o, as appropriate. Remove
10757 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10758 from $(simple_generated_c). For all files remaining in those
10759 two lists, add insn-conditions.md to the generator command line.
10760 Give insn-constants.h/s-constants their own rules. Add rules
10761 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10762 (build/read-rtl.o): Depend on gensupport.h.
10763 (genprognormal): Include preds.
10764 (genprogearly): Rename genprognoprint; only difference is now that
10765 they don't link with $(BUILD_PRINT).
10766 * dummy-conditions.c: Delete.
10768 2006-01-22 Zack Weinberg <zackw@panix.com>
10770 * genextract.c: Don't include insn-config.h. Do include vec.h.
10771 Declare vectors of int, char, and locstr.
10772 (locstr): New typedef.
10773 (struct extraction): Make all array fields into bare pointers.
10774 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10775 (insn_code_number): Delete.
10776 (accum_extract): New struct.
10777 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10778 (gen_insn): Take insn_code_number as an argument. Use an
10779 accum_extract structure instead of loading data directly into
10780 a struct extraction, and having to know how big it might get.
10781 (walk_rtx): Operate entirely on an accum_extract structure.
10782 (print_path): Avoid unnecessary use of printf.
10783 (print_header): New function, split out of main. Distinguish
10784 more carefully between an unrecognizable insn and an insn that
10785 has the code number of a define_expand.
10786 (main): Pass insn_code_number to gen_insn. Call print_header
10787 only after parsing. Avoid unnecessary use of printf.
10788 * Makefile.in (build/vec.o): New rule.
10789 (build/genextract): Depend on build/vec.o.
10790 (build/genextract.o): Don't depend on insn-config.h.
10792 2006-01-22 Zack Weinberg <zackw@panix.com>
10794 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10795 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10796 practical. Eliminate per-generator-program link rules.
10798 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10800 PR middle-end/24437
10801 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10802 with a call expr to ...
10803 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10805 2006-01-23 Richard Guenther <rguenther@suse.de>
10807 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10808 before make_edge with conditional EDGE_TRUE_VALUE.
10810 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10811 Jan Hubicka <jh@suse.cz>
10812 Richard Guenther <rguenther@suse.de>
10814 PR rtl-optimization/25654
10815 * cfgexpand.c (aggregate_contains_union_type): New function.
10816 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10817 for structure variables that contain a union type.
10819 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10821 * gengtype.c (new_structure): Return the structure.
10822 (create_option): Add an extra "next" argument.
10823 (create_field): New function.
10824 (adjust_field_rtx_def): Use create_option and create_field.
10825 Remove a now-unnecessary call to find_structure.
10826 (adjust_field_tree_def): Likewise.
10827 (note_yacc_type): Remove an unnecessary call to find_structure.
10828 * gengtype.h (new_structure): Return the structure.
10829 (create_option): Add an extra argument.
10830 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10831 (option): Adjust calls to create_option.
10833 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10835 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10837 2006-01-22 Paul Brook <paul@codesourcery.com>
10838 Peter Barada <peter@the-baradas.com>
10840 * config/m68k/m68k.md: Add Coldfire FPU support.
10841 Define FP mode macro and associated attributes.
10842 Use it for float mode patterns.
10843 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10844 (LIBCALL_VALUE): Use m68k_libcall_value.
10845 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10846 (m68k_function_value): Ditto.
10847 (emit_move_sequence): Ditto.
10848 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10849 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10850 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10851 (MULTILIB_EXCEPTIONS): Ditto.
10852 * config/m68k/m68k.opt: Add mcfv4e.
10853 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10854 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10855 (m68k_output_function_prologue): Save ColdFire FPU registers.
10856 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10857 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10858 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10859 ColdFire FPU registers.
10860 (m68k_libcall_value, m68k_function_value): New functions.
10861 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10862 (LIBCALL_VALUE): Use m68k_libcall_value.
10863 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10864 (MASK_COLDFIRE): Add MASK_CFV4E.
10865 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10866 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10867 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10868 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10869 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10870 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10871 * doc/invoke.tex: Document -mcfv4e on m68k.
10873 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10875 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10878 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10881 * c-opts.c (c_common_handle_option): Don't include
10882 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10883 * doc/invoke.texi (C++ Dialect Options): Document that
10884 -Wnon-virtual-dtor is no longer included in -Wall.
10886 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10888 * gcov.c (print_version), gcov-dump.c (print_version),
10889 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10892 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10894 * df-scan.c (problem_SCAN): Added NULL reset function.
10895 (df_scan_reset_blocks): Added code to call reset block function
10896 (df_bb_refs_delete) Fixed comment.
10897 (df_insn_refs_delete): Made tolerant of deleting non existent info
10898 for dataflow problems that need to be reset.
10899 * df-core.c (df_set_blocks): Ditto.
10900 * df.h (struct df_problem): Added reset_fun.
10901 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10902 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10903 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10904 functions to clear out all references to def-use or use-def chains.
10906 2006-01-21 Ben Elliston <bje@au.ibm.com>
10908 * varasm.c (assemble_real): Initialise data array.
10910 2006-01-20 Paul Brook <paul@codesourcery.com>
10912 Merge from csl-arm-branch.
10913 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10914 * config/arm/arm.md (movdi): Force operands[1] to a register
10915 if we have a non-register source.
10916 (*arm_movdi, *movdf_soft_insn): Require that one of the
10917 operands be a register.
10918 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10919 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10921 2006-01-20 DJ Delorie <dj@redhat.com>
10923 * varasm.c (initializer_constant_valid_p): Allow pointers
10924 initialized from integer constants of lesser precision.
10925 (output_constant): Allow non-int-sized pointer modes to be
10926 initialized from integer constants.
10928 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10931 * cppdefault.h (struct default_include): Add multilib flag.
10932 * cppdefault.c (cpp_include_defaults): Set it.
10933 * c.opt (-imultilib): New option.
10934 * c-opts.c (imultilib): New.
10935 (c_common_handle_option): Handle -imultilib.
10936 (c_common_post_options): Likewise.
10937 * c-incpath.c (add_standard_paths, register_include_chains):
10939 * c-incpath.h (register_include_chains): Add extra parameter.
10940 * gcc.c (do_spec_1): Generate -imultilib option.
10941 (The Specs Language): Update %I description.
10942 (process_command): Update copyright notice.
10943 * doc/cppopts.texi (-imultilib): Document.
10944 * doc/invoke.texi (-imultilib): Include in option summary.
10945 (%I): Update specs documentation.
10947 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10949 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10951 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10953 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10956 2006-01-20 Richard Guenther <rguenther@suse.de>
10957 Steven Bosscher <stevenb.gcc@gmail.com>
10959 PR rtl-optimization/24626
10960 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10961 EDGE_TRUE_VALUE if in RTL mode.
10964 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10965 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10967 2006-01-20 Dirk Mueller <dmueller@suse.com>
10970 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10971 instead of a special NOP marker.
10972 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10973 NOP marker handling.
10974 * c-common.h (empty_body_warning): Add forward declaration.
10975 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10976 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10978 2006-01-20 Paul Brook <paul@codesourcery.com>
10980 * Makefile.in (lang_checks): Keep going if mkdir fails.
10982 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10984 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10985 be able to clean out basic block when not necessary.
10986 (df_scan_free): Fixed to properly delete information if df is
10987 unused before calling df_finish.
10988 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10989 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10991 (df_bb_refs_delete): New function.
10992 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10993 * df-core.c (df_set_blocks): Added code to properly clean out
10994 unused blocks if they are not part of the blocks to consider.
10995 Added additional null check.
10996 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10997 be able to clean out basic block when not necessary
10998 * df.h (df_free_bb_function): Ditto.
10999 (df_bb_refs_delete): New function.
11000 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11001 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11002 basic block parameter to be able to clean out basic block when not
11004 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11005 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11006 Fixed to properly delete information if df is unused before
11009 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11011 PR rtl-optimization/25799
11012 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11013 Corrected confluence operator to remove bits from op2 before oring
11014 with op1 rather than removing bits from op1.
11015 (df_ru_transfer_function): Corrected test on wrong bitmap which
11016 caused infinite loop. Both of these problems were introduced in
11017 the dataflow rewrite.
11019 2006-01-19 DJ Delorie <dj@redhat.com>
11021 * reload1.c (find_reload_regs): Note the details of reload
11022 failures in the dump file.
11023 (spill_failure): Likewise.
11025 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11027 * loop-iv.c: Include df.h and hashtab.h.
11028 (enum iv_grd_result): New enum.
11029 (DF_REF_IV, DF_REF_IV_SET): New macros.
11030 (struct biv_entry): New.
11031 (df, bivs): New global variables.
11032 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11033 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11035 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11036 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11037 analyzed_for_bivness_p, record_biv): New functions.
11038 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11039 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11040 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11042 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11044 (iv_number_of_iterations): Use new interface to iv analysis.
11045 * loop-unroll.c: Do not include varray.h.
11046 (analyze_iv_to_split_insn): Use new interface to iv
11048 * loop-unswitch.c (may_unswitch_on): Ditto.
11049 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11051 (df_bb_modify): Realloc tables to the new index.
11052 (df_find_use): New function.
11053 * df.h (df_find_use): Declare.
11054 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11056 * cfgloop.h (struct rtx_iv): Remove analysed field.
11057 (iv_get_reaching_def): Removed.
11058 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11059 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11060 (loop-iv.o): Add df.h and hashtab.h dependency.
11061 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11063 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11066 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11068 (__floatundisf, __floatundidf): Likewise.
11069 * libgcc2.h (IS_IBM_EXTENDED): Define.
11071 2006-01-19 DJ Delorie <dj@redhat.com>
11073 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11075 2006-01-19 Paul Brook <paul@codesourcery.com>
11077 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11078 as nothrow when unwinding tables are disabled.
11080 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11083 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11084 of bit-field" when in system header.
11086 2006-01-19 DJ Delorie <dj@redhat.com>
11088 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11089 the 16 bit shift limit of the m16c.
11091 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11094 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11095 * config/i386/i386.c (output_set_got): Output the label if we have one
11096 for the TARGET_DEEP_BRANCH_PREDICTION case.
11098 2006-01-19 Jan Hubicka <jh@suse.cz>
11099 H.J. Lu <hongjiu.lu@intel.com>
11100 Evandro Menezes <evandro.menezes@amd.com>
11102 * invoke.texi (generic): Document
11104 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11105 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11106 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11107 (x86_use_incdec, x86_pad_returns): New variables
11108 (TARGET_CPU_DEFAULT_generic): New constant
11109 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11110 (enum processor_type): Add generic32 and generic64.
11111 * i386.md (cpu attribute): Add generic32/generic64
11112 (movhi splitter): Behave sanely when both partial_reg_dependency and
11113 partial_reg_stall are set.
11114 (K8 splitters): Enable for generic as well.
11115 * predicates.md (incdec_operand): Use TARGET_INCDEC
11116 (aligned_operand): Avoid memory mismatch stalls.
11117 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11118 * ppro.md: Enable for generic32
11119 * i386.c (generic64_cost, generic32_cost): New.
11120 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11121 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11122 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11123 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11124 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11125 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11126 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11127 x86_accumulate_outgoing_args, x86_prologue_using_move,
11128 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11129 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11130 Enable for generic.
11131 (x86_use_incdec, x86_pad_returns): New.
11132 (override_options): Add generic32 and generic64, translate "generic"
11133 to generic32/generic64 and "i686" to "generic32", refuse
11134 "generic32"/"generic64" as arch target.
11135 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11136 (ix86_reorg): Honor PAD_RETURNS.
11138 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11140 * tree-pretty-print.c (dump_generic_node): Handle
11141 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11142 * cgraph.c (cgraph_expand_queue): Rename from
11143 cgraph_analyze_queue. Update all users.
11144 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11145 cgraph_expand_queue.
11146 (cgraph_expand_all_functions): Likewise.
11147 (cgraph_finalize_pending_functions): Remove. Update callers.
11149 * tree.h (OMP_DIRECTIVE_P): Define.
11150 (OMP_PARALLEL_FN): Define.
11151 (OMP_PARALLEL_DATA_ARG): Define.
11152 (OMP_SECTIONS_SECTIONS): Define.
11153 * tree-pass.h (pass_expand_omp): Declare.
11154 * omp-low.c (struct omp_region): Declare.
11155 (struct omp_context): Remove fields 'parallel_type',
11156 'parallel_start_ix' and 'parallel_start_additional_args'.
11158 (struct omp_for_data): Rename from struct expand_omp_for_data.
11159 (omp_regions): New static variable.
11160 (root_omp_region): New static variable.
11161 (find_omp_clause): Make static.
11162 (is_in_combined_parallel_ctx): Remove.
11163 (is_combined_parallel): New.
11164 (extract_omp_for_data): Move earlier in the file.
11165 (workshare_safe_to_combine_p): New.
11166 (get_ws_args_for): New.
11167 (determine_parallel_type): Move earlier in the file.
11168 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11170 (omp_copy_decl): Likewise.
11171 (create_omp_child_function): Likewise.
11172 (lookup_omp_region): New.
11173 (dump_omp_region): New.
11174 (debug_omp_region): New.
11175 (debug_all_omp_regions): New.
11176 (new_omp_region): New.
11177 (scan_omp_parallel): If parallel_nesting_level > 1, the
11178 directive is nested within another parallel directive.
11179 Set OMP_PARALLEL_FN.
11180 (scan_omp_for): Do not try to handle combined parallel+for
11182 Remove FIXME comment.
11183 (scan_omp_nested): Remove.
11184 (scan_omp_1): Do not call scan_omp_nested when
11185 parallel_nesting_level is > 1.
11186 Do not change the DECL_CONTEXT of local variables found.
11187 (lookup_decl_in_outer_ctx): New.
11188 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11189 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11190 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11191 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11192 If CTX is nested, lookup VAR in the outer context when
11193 building copy assignment.
11194 (lower_send_clauses): Rename from expand_send_clauses.
11195 If CTX is nested, lookup VAR in the outer context when
11196 building copy assignments.
11197 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11198 If CTX is nested, lookup VAR in the outer context when
11199 building copy assignments.
11200 (expand_parallel_call): Rename from build_parallel_call.
11201 Handle combined parallel+workshare cases.
11202 Re-implement to emit code into the CFG.
11204 (expand_omp_parallel): Re-implement to emit code into the CFG.
11205 Call move_sese_region_to_fn to outline the sub-graph
11206 containing the parallel region.
11207 (expand_omp_for_1): Remove.
11208 (expand_omp_for_generic): Re-implement to emit code into the
11210 (expand_omp_for_static_nochunk): Likewise.
11211 (expand_omp_for_static_chunk): Likewise.
11212 (expand_omp_for): Likewise.
11213 (expand_omp_sections): Likewise.
11214 (remove_exit_barriers): New.
11215 (expand_omp_synch): New.
11217 (build_omp_regions_1): New.
11218 (build_omp_regions): New.
11219 (execute_expand_omp): New.
11220 (gate_expand_omp): New.
11221 (pass_expand_omp): Define.
11222 (lower_omp_sections): Rename from expand_omp_sections.
11223 Set OMP_SECTIONS_SECTIONS.
11224 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11225 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11226 (lower_omp_single): Rename from expand_omp_simple.
11227 (lower_omp_master): Rename from expand_omp_master.
11228 (lower_omp_ordered): Rename from expand_omp_ordered.
11229 (lower_omp_critical): Rename from expand_omp_critical.
11230 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11231 (lower_omp_for): Re-implement.
11232 (lower_omp_parallel): Re-implement.
11233 (lower_regimplify): Rename from expand_regimplify.
11234 (lower_omp_1): Rename from expand_omp_1.
11235 If there are syntax errors in the program, replace every
11236 OpenMP directive with NOP.
11237 Call lower_omp_* instead of expand_omp_*.
11238 (lower_omp): Rename from expand_omp.
11240 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11241 * tree-gimple.h (enum omp_parallel_type): Remove.
11242 (gimple_boolify): Declare extern.
11243 (find_omp_clause, determine_parallel_type): Remove.
11245 * gimple-low.c (lower_omp_directive): New.
11246 (lower_stmt): Call it.
11247 (record_vars_into): Move from ...
11248 (record_vars): ... here.
11249 Call record_vars_into with current_function_decl.
11251 * gimplify.c (struct gimplify_ctx): Remove fields
11252 combined_pre_p and combined_ctxp. Update users.
11253 (get_formal_tmp_var): Add documentation.
11254 (gimple_boolify): Make extern.
11255 (gimplify_expr_in_ctx): Remove. Update callers.
11256 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11257 will always be a BIND_EXPR.
11258 (gimplify_expr): Handle OMP_RETURN_EXPR.
11259 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11260 (OMP_PARALLEL): Add 3 operands.
11261 (OMP_SECTIONS): Add 1 operand.
11262 (OMP_RETURN_EXPR): Define.
11264 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11265 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11266 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11267 creating a circular free list.
11268 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11270 * tree-flow.h (move_sese_region_to_fn): Declare.
11271 (record_vars_into): Declare.
11272 * tree-cfg.c (make_omp_sections_edges): New.
11273 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11274 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11275 OMP_SECTIONS and OMP_SECTION.
11276 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11277 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11278 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11279 (gather_blocks_in_sese_region): New.
11280 (struct move_stmt_d): Declare.
11281 (move_stmt_r): New.
11282 (move_block_to_fn): New.
11283 (move_sese_region_to_fn): New.
11285 * passes.c (init_optimization_passes): Schedule
11286 pass_expand_omp after pass_init_datastructures.
11288 * tree-ssa-operands.c (get_expr_operands): Handle
11289 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11290 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11292 2006-01-19 Jeff Law <law@redhat.com>
11294 * tree-vrp.c (extract_range_from_assert): Refine the result range
11295 if the variable referenced by the ASSERT_EXPR has a range and
11296 either the tentative result range or the previous range is a
11299 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11301 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11303 2006-01-19 Jan Hubicka <jh@suse.cz>
11305 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11307 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11309 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11310 (expand_compound_operation, expand_field_assignment): Fail if the
11311 bit lengths of an extract operation are out of range.
11312 (make_extraction): Compute wanted_inner_mode based on the position
11313 and length of the extraction. Make it extraction_mode for non-constant
11314 positions, and do not modify offset in that case. When generating a
11315 new MEM, use a mode that can hold the extraction while keeping correct
11316 alignment. Remove code that supported MEMs wrapped by USEs.
11317 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11319 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11321 * config/s390/s390.md ("Y", "y"): New mode attribute.
11322 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11323 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11324 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11325 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11326 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11327 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11328 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11329 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11330 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11331 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11332 "addsi3", "subsi3"): Insn patterns removed.
11333 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11334 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11335 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11336 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11337 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11338 "*sub<mode>3_cconly2"): New insn patterns.
11339 ("addsi3", "subsi3"): New expanders.
11341 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11343 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11344 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11345 existing STMT_VINFO_VECTYPE if available.
11346 (vect_mark_relevant): Add special handling for stmts that are
11347 marked as STMT_VINFO_IN_PATTERN_P.
11348 (vect_analyze_loop): Call vect_pattern_recog.
11349 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11350 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11352 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11353 (vect_recog_func_ptr): New function-pointer type.
11354 * tree-vect-patterns.c: New file.
11355 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11356 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11357 (vect_pattern_recog_1): New functions.
11358 (vect_pattern_recog_funcs): New array of function pointers.
11360 * tree-vectorizer.h (ternary_op): New enum value.
11361 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11362 declaration. Revised documentation. Removed redundant dump prints.
11363 Removed redundant argument. Added support for reduction patterns.
11364 (vectorizable_reduction): Added support for reduction patterns.
11365 (vect_transform_stmt): Added support for patterns.
11367 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11368 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11369 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11370 (expand_widen_pattern_expr): New function.
11371 (init_optabs): Initialize new optabs udot_prod_optab,
11373 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11374 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11375 (expand_widen_pattern_expr): New function declaration.
11376 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11378 * tree-inline.c (estimate_num_insns_1): Added cases for new
11379 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11380 * tree-pretty-print.c (dump_generic_node): Likewise.
11381 (op_prio): Likewise.
11382 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11383 * tree-ssa-operands.c (get_expr_operands): Added case for
11385 * tree-vect-patterns.c (widened_name_p): New function.
11386 (vect_recog_dot_prod_pattern): Added function implementation.
11387 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11388 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11389 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11390 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11392 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11393 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11394 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11395 (init_optabs): Initialize new optabs widen_ssum_optab,
11397 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11398 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11399 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11400 use instead of type of def.
11401 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11402 function implementation.
11403 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11404 widen_ssumv8hi): New.
11406 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11409 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11412 * c-decl.c (add_flexible_array_elts_to_size): New function.
11413 (finish_decl): Use it.
11415 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11417 * diagnostic.h: Include options.h.
11418 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11419 dependancies for diagnostic.h.
11420 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11422 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11424 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11425 (ssa_ro_call_cache_valid): Ditto.
11426 * tree-ssa-alias.c (sort_tags_by_id): New function.
11427 (init_transitive_clobber_worklist): Ditto.
11428 (add_to_worklist): Ditto.
11429 (mark_aliases_call_clobbered): Ditto.
11430 (compute_tag_properties): Ditto.
11431 (set_initial_properties): Ditto.
11432 (compute_call_clobbered): Ditto.
11433 (compute_may_aliases): Call compute_call_clobbered and grouping.
11434 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11435 (compute_flow_insensitive_aliasing): Grouping now happens in our
11437 (setup_pointers_and_addressables): Remove clobbering related code.
11438 (add_may_alias): Ditto.
11439 (replace_may_alias): Ditto.
11440 (get_nmt_for): Ditto.
11441 (create_global_var):
11442 (is_escape_site): Return an escape_type enumeration.
11443 * tree-flow-inline.h (is_call_clobbered): Global var does not
11444 imply call clobbered.
11445 (mark_call_clobbered): Take a reason for marking this. Remove
11446 marking of globalness, and cache invalidation.
11447 (clear_call_clobbered): Remove cache invalidation code.
11448 * tree-dfa.c (dump_variable): If details is on, dump the reason
11450 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11452 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11453 (struct var_ann_d): Ditto.
11454 (enum escape_type): New.
11455 (mark_call_clobbered): Adjust prototype.
11456 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11457 are never call clobbered.
11458 Record reasons for escaping.
11459 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11460 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11461 (ssa_ro_call_cache_valid): Ditto.
11462 (clobbered_v_may_defs): Ditto.
11463 (clobbered_vuses): Ditto.
11464 (ro_call_vuses): Ditto.
11465 (clobber_stats): New.
11466 (init_ssa_operands): Zero out clobber stats.
11467 (fini_ssa_operands): Print out clobber stats.
11468 (get_call_expr_operands): Pass callee fndecl to
11469 add_call_read_ops).
11470 (add_call_clobber_ops): Remove use of cache.
11471 Add use of PURE_CONST information.
11472 (add_call_read_ops): Remove use of cache.
11473 Add use of static not_read information.
11475 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11477 Introduce TLS descriptors for i386 and x86_64.
11478 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11479 (TARGET_ANY_GNU_TLS): New macro.
11480 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11481 (struct machine_function): Add tls_descriptor_call_expanded_p.
11482 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11483 (ix86_current_function_calls_tls_descriptor): Likewise.
11484 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11485 (override_options): Introduce gnu2 tls dialect.
11486 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11488 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11490 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11491 (ix86_init_machine_status): Initialize new field.
11492 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11493 (ix86_tls_module_base): New.
11494 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11495 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11496 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11497 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11498 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11499 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11500 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11501 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11502 * config/i386/predicates.md (tls_modbase_operand): New.
11503 (tp_or_register_operand): New.
11505 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11507 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11508 (look_for_address_of): Ditto.
11509 (ipa_init): Walk the function decls.
11510 (static_execute): Don't set readonly on FUNCTION_DECL's.
11512 2006-01-18 Roger Sayle <roger@eyesopen.com>
11514 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11515 for shifts where the source and destination registers are different.
11517 2006-01-18 Paul Brook <paul@codesourcery.com>
11519 Merge from csl-arm-branch.
11520 2005-03-14 Julian Brown <julian@codesourcery.com>
11521 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11522 (aeabi_llsl): Likewise.
11523 (ashrdi3): Likewise.
11524 (aeabi_lasr): Likewise.
11525 (lshrdi3): Likewise.
11526 (aeabi_llsr): Likewise.
11527 2005-03-10 Julian Brown <julian@codesourcery.com>
11528 * config.gcc: Disable shared libgcc for SymbianOS.
11529 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11531 2006-01-18 DJ Delorie <dj@redhat.com>
11533 * c-pragma.c (handle_pragma_diagnostic): New.
11534 (init_pragma): Register it.
11535 * doc/extend.texi: Document it.
11537 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11538 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11539 (diagnostic_context): Add classify_diagnostic[].
11540 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11541 as errors if they're overridden to DK_WARNING.
11542 (diagnostic_initialize): Initialize classify_diagnostic[].
11543 (diagnostic_set_kind_override): New.
11544 (diagnostic_report_diagnostic): Check for kind changes.
11545 * opts.c (common_handle_option): Take lang_mask. Update callers.
11546 Handle OPT_Werror_.
11547 * common.opt (Werror=): New.
11548 * doc/invoke.texi: Document -Werror=*
11550 2006-01-18 Jeff Law <law@redhat.com>
11552 * tree-vrp.c (test_for_singularity): Correct test for new
11553 min limit. Use operand_equal_p rather than pointer equality
11554 for testing if new min/max values are equal.
11556 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11557 using range information until after propagation and folding.
11559 2006-01-18 Richard Henderson <rth@redhat.com>
11560 Aldy Hernandez <aldyh@redhat.com>
11561 Jakub Jelinek <jakub@redhat.com>
11562 Diego Novillo <dnovillo@redhat.com>
11564 * omp-low.c: New file.
11565 * c-omp.c: New file.
11567 2006-01-18 Richard Henderson <rth@redhat.com>
11568 Jakub Jelinek <jakub@redhat.com>
11569 Diego Novillo <dnovillo@redhat.com>
11571 * doc/invoke.texi: Document -fopenmp.
11572 * tree-dump.h (debug_function): Declare.
11573 * hooks.c (hook_bool_tree_bool_false): New function.
11574 (hook_tree_tree_null): Remove.
11575 (hook_tree_tree_tree_null): New.
11576 * hooks.h: Update to match.
11577 * tree-pretty-print.c (debug_tree_chain): New.
11578 (print_generic_expr): Handle TDF_CHAIN.
11579 (dump_generic_node): Handle BLOCK.
11580 Do not abort with incomplete SWITCH_EXPRs.
11581 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11582 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11583 print space after directive name.
11584 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11585 Handle OMP_MASTER and OMP_ORDERED.
11586 Handle printing of OMP_BODY just in one place, goto
11587 dump_omp_body in the rest of OMP_* nodes that have
11589 Don't handle clause nodes here. Update omp statements to
11590 use dump_omp_clauses.
11591 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11592 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11593 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11594 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11595 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11596 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11597 Adjust output for GOMP_PARALLEL.
11598 (dump_omp_clauses): New.
11599 (print_declaration): Dump DECL_VALUE_EXPR.
11600 (op_symbol_1): Split out of op_symbol.
11601 (dumping_stmts): Remove. Update all users.
11602 * cgraph.c (cgraph_analyze_queue): New.
11603 (cgraph_add_new_function): New.
11604 * cgraph.h (cgraph_analyze_queue): Declare.
11605 (cgraph_add_new_function): Declare.
11606 (cgraph_lower_function): Remove.
11607 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11608 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11609 and TYPE_P nodes in its default clause.
11610 (empty_body_p): New.
11611 (tree_range_check_failed): New.
11612 (build5_stat): New.
11613 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11614 OMP_CLAUSE_REDUCTION_MERGE,
11615 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11616 OMP_CLAUSE_PRIVATE_DEBUG,
11617 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11618 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11619 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11620 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11621 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11622 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11623 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11624 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11625 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11626 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11627 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11628 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11629 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11630 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11631 (TREE_RANGE_CHECK): New.
11632 (empty_body_p): Declare.
11633 (enum omp_clause_default_kind): New.
11634 (build_string_literal): Declare.
11635 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11636 (build5_stat, build5): Declare.
11637 * tree-pass.h (TDF_CHAIN): Define.
11638 * tree-pass.h (PROP_gimple_lomp): Define.
11639 (pass_lower_omp): Declare.
11640 * diagnostic.h (debug_tree_chain): Declare.
11641 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11643 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11644 * builtins.c (build_string_literal): Make extern.
11645 * gcc.c (include_spec_function): New.
11646 (static_spec_functions): Add it.
11647 (main): Move load of libgomp.spec ...
11648 (LINK_COMMAND_SPEC): ... here.
11649 (link_gomp_spec): New.
11650 (static_specs): Include it.
11651 (LINK_COMMAND_SPEC): Add link_gomp.
11652 (GOMP_SELF_SPECS): New.
11653 (driver_self_specs): Include it.
11654 (switch_matches): Don't mark inline.
11655 (main): Load libgomp.spec.
11656 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11657 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11658 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11659 * tree-gimple.h (enum omp_parallel): Declare.
11660 (determine_parallel_type): Declare.
11661 (omp_firstprivatize_variable): Declare.
11662 (omp_reduction_init): Declare.
11663 (diagnose_omp_structured_block_errors): Declare.
11664 (struct walk_stmt_info): Add want_return_expr.
11665 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11666 (find_omp_clause): Declare.
11667 (insert_field_into_struct): Declare.
11668 (struct walk_stmt_info): Move from tree-nested.c
11669 (walk_stmts): Declare.
11670 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11672 * cgraphunit.c (cgraph_lower_function): Make static.
11673 (cgraph_finalize_pending_functions): New.
11674 (cgraph_finalize_function): Call it.
11675 (cgraph_finalize_compilation_unit): Likewise.
11676 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11677 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11678 (BT_FN_UINT_UINT): New.
11679 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11680 DEF_FUNCTION_TYPE_VAR_4): Document.
11681 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11682 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11683 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11684 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11685 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11686 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11687 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11688 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11689 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11690 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11691 into separate files.
11692 (DEF_GOMP_BUILTIN): New.
11693 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11694 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11695 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11696 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11697 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11698 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11699 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11700 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11701 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11702 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11703 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11704 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11705 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11706 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11707 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11708 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11709 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11710 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11711 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11712 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11713 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11714 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11715 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11716 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11717 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11718 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11719 * sync-builtins.def: New file, moved from builtins.def.
11720 * omp-builtins.def: New file, moved from builtins.def.
11721 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11722 * gimple-low.c (lower_function_body): Clear data.
11723 (lower_stmt): Do not handle COMPOUND_EXPR.
11724 Remove call to print_node_brief.
11725 * c-tree.h (c_finish_omp_clauses): New prototype.
11726 (C_DECL_THREADPRIVATE_P): Define.
11727 (lookup_name_no_remap, c_omp_remap_private): Remove
11728 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11729 (check_for_loop_decls): Update decl.
11730 (lookup_name_no_remap, c_omp_remap_private): Declare.
11731 (build_indirect_ref, build_modify_expr, pushdecl,
11732 pushdecl_top_level): Move to c-common.h.
11733 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11734 before the switch, but just in the 2 places that need it.
11735 * c-decl.c (diagnose_mismatched_decls): Do not check for
11736 mismatched thread-local attributes when OLDDECL is marked
11737 threadprivate and NEWDECL has no thread-local attributes.
11738 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11739 (c_gimple_diagnostics_recursively): Rename from
11740 c_warn_unused_result_recursively. Invoke
11741 diagnose_omp_structured_block_errors.
11742 (check_for_loop_decls): Return a singular decl found.
11743 * langhooks.c (lhd_omp_predetermined_sharing): Return
11744 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11745 (lhd_omp_firstprivatize_type_sizes): New.
11746 (lhd_omp_assignment): New.
11747 (lhd_omp_predetermined_sharing): New.
11748 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11749 (struct lang_hooks_for_types): Add
11750 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11751 omp_predetermined_sharing, omp_disregard_value_expr,
11752 omp_private_debug_clause, omp_clause_default_ctor,
11753 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11754 (c_finish_omp_clauses): New.
11755 (c_finish_bc_stmt): Diagnose break within omp for.
11756 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11757 (build_unary_op): Return error_mark after reporting
11759 (build_modify_expr): Likewise.
11760 * gimplify.c: Include optabs.h and pointer-set.h.
11761 (enum gimplify_omp_var_data): Declare.
11762 (struct gimplify_omp_ctx): Declare.
11763 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11765 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11766 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11767 (splay_tree_compare_decl_uid): New.
11768 (new_omp_context): New.
11769 (delete_omp_context): New.
11770 (gimple_add_tmp_var): Call omp_add_variable.
11771 (gimplify_bind_expr): Likewise.
11772 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11773 true, disregard DECL_VALUE_EXPR on the decl if any.
11774 (gimplify_expr_in_ctx): New.
11775 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11776 omp_add_variable, omp_notice_variable, omp_is_private
11777 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11778 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11779 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11780 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11781 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11782 gimplify_omp_atomic): New.
11783 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11784 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11785 OMP_CRITICAL and OMP_ATOMIC.
11786 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11787 * c-pragma.h (enum pragma_kind): Add
11788 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11789 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11790 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11791 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11792 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11793 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11794 PRAGMA_OMP_THREADPRIVATE.
11795 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11796 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11797 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11798 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11799 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11800 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11801 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11802 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11803 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11804 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11805 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11806 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11807 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11809 (struct nesting_info): Add field_map,
11810 suppress_expansion, debug_var_chain.
11811 (create_nesting_tree): Initialize them.
11812 (lookup_field_for_decl): Use field_map.
11813 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11814 (convert_local_omp_clauses): New.
11815 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11816 (walk_body): Split out of walk_function.
11817 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11818 (convert_nonlocal_reference): Handle omp statements.
11819 (convert_local_reference): Likewise.
11820 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11821 (unnest_nesting_tree): New.
11822 (lower_nested_functions): Call it.
11823 (insert_field_into_struct): Make extern.
11824 (struct walk_stmt_info): Move to tree-gimple.h.
11825 (walk_stmts): Make extern.
11826 * omp-builtins.def: New file.
11827 * tree-iterator.c (expr_only): Clarify comment.
11828 * c-common.h (pushdecl_top_level, pushdecl,
11829 build_modify_expr, build_indirect_ref,
11830 c_finish_omp_master, c_finish_omp_critical,
11831 c_finish_omp_ordered, c_finish_omp_barrier,
11832 c_finish_omp_atomic, c_finish_omp_flush,
11833 c_finish_omp_for, c_split_parallel_clauses,
11834 omp_clause_default_kind, c_omp_sharing_predetermined,
11835 c_omp_remap_decl): Declare.
11836 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11837 (OBJS-common): Add omp-low.o.
11838 (c-omp.o, omp-low.o): Add.
11839 (gimplify.o): Add dependency on $(OPTABS_H).
11840 (GTFILES): Add omp-low.c.
11841 (gt-stringpool.h): Add.
11842 * tree-cfg.c (set_bb_for_stmt): Do not update the
11843 block-to-labels map if we are currently expanding to RTL.
11844 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11846 Handle IDENTIFIER_NODE.
11847 (tree_verify_flow_info): Do not ICE when emitting error
11848 messages about invalid labels.
11849 (dump_function_to_file): Reset CFUN before emitting the body
11851 (debug_function): New.
11852 * passes.c (init_optimization_passes): Schedule
11854 * langhooks-def.h (lhd_omp_predetermined_sharing,
11855 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11857 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11858 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11859 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11860 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11861 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11862 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11863 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11864 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11865 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11866 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11867 (LANG_HOOK_DECLS): Use them.
11869 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11870 Richard Henderson <rth@redhat.com>
11871 Jakub Jelinek <jakub@redhat.com>
11872 Diego Novillo <dnovillo@redhat.com>
11874 * c-parser.c (pragma_omp_clause): Define.
11875 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11876 (c_parser_compound_statement): Likewise.
11877 (c_parser_statement): Likewise.
11878 (c_parser_pragma): Handle omp pragmas.
11879 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11880 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11881 (c_parser_omp_clause_name, check_no_duplicate_clause,
11882 c_parser_omp_variable_list,
11883 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11884 c_parser_omp_clause_copyprivate,
11885 c_parser_omp_clause_default,
11886 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11887 c_parser_omp_clause_lastprivate,
11888 c_parser_omp_clause_nowait,
11889 c_parser_omp_clause_num_threads,
11890 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11891 c_parser_omp_clause_reduction,
11892 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11893 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11894 c_parser_omp_atomic, c_parser_omp_barrier,
11895 c_parser_omp_critical, c_parser_omp_flush,
11896 c_parser_omp_for_loop, c_parser_omp_for,
11897 c_parser_omp_master, c_parser_omp_ordered,
11898 c_parser_omp_sections_scope, c_parser_omp_sections,
11899 c_parser_omp_parallel, c_parser_omp_single,
11900 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11901 * c-pragma.c (init_pragma): Do omp pragma registration here.
11902 * c.opt (fopenmp): New flag.
11904 2006-01-18 Eric Christopher <echristo@apple.com>
11906 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11907 * config/darwin.h (GOMP_SELF_SPECS): Define.
11909 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11911 * rtl.h: Remove the prototype for reg_alloc.
11913 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11916 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11917 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11918 sjlj and dwarf2 exception handling.
11919 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11920 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11921 * pa/pa.c (function_value): Treat complex and vector types as
11923 (function_arg): Likewise. Only pass scalar floats in the floating
11924 point argument registers.
11925 * pa/t-slibgcc-dwarf-ver: New file.
11926 * pa/t-slibgcc-sjlj-ver: New file.
11927 * pa/t-slibgcc-elf-ver: Delete file.
11929 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11931 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11932 unlikely_test_section_p test.
11934 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11936 * mode-switching.c (optimize_mode_switching): Make it static.
11937 * basic-block.h: Remove the prototype for
11938 optimize_mode_switching.
11940 * modulo-sched.c (sms_schedule): Make it static.
11941 * rtl.h: Remove the prototype for sms_schedule.
11943 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11944 * rtl.h: Remove the prototype for gcse_after_reload_main.
11946 * reg-stack.c (reg_to_stack): Make it static.
11947 * rtl.h: Remove the prototype for reg_to_stack.
11949 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11951 * rtl.h: Remove the prototypes for regrename_optimize and
11952 copyprop_hardreg_forward.
11954 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11956 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11957 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11958 Test against the appropriate null constant for the mode.
11959 If 'fixup_overlap' is true, swap the operands if they overlap.
11960 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11961 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11962 alpha_split_tmode_pair and adjust for above change.
11963 * config/alpha/alpha.md (movtf_internal): Adjust call to
11964 alpha_split_tfmode_pair and rely on it to swap the operands.
11965 (movti_internal): New insn and post-reload splitter.
11966 (movti): New expander.
11968 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11970 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11973 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11975 * rtlanal.c (global_reg_mentioned_p_1,
11976 global_reg_mentioned_p): Remove.
11977 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11979 * flow.c (initialize_uninitialized_subregs): Make it static.
11980 * rtl.h: Remove the prototype for
11981 initialize_uninitialized_subregs.
11983 * function.c (instantiate_virtual_regs): Make it static.
11984 * function.h: Remove the prototype for
11985 instantiate_virtual_regs.
11987 * regmove.c (regmove_optimize, combine_stack_adjustments):
11989 * rtl.h: Remove the prototypes for regmove_optimize and
11990 combine_stack_adjustments.
11992 2006-01-17 Roger Sayle <roger@eyesopen.com>
11994 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11995 (size_cost): Encode costs in bytes so that a reg-reg addition is
11996 equivalent to COSTS_N_INSNS(1).
11997 (override_options): Use the size_cost.branch_cost as the default
11998 ix86_branch_cost when optimizing for size.
12000 2006-01-18 Ben Elliston <bje@au.ibm.com>
12002 * Makefile.in (D32PBIT_FUNCS): New.
12003 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12004 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12005 D64PBIT_FUNCS and D128PBIT_FUNCS.
12006 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12007 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12009 (decnumber_dep): Define.
12010 * doc/libgcc.texi (Decimal float library routines): New node.
12011 * config/dfp-bit.h, config/dfp-bit.c: New files.
12013 2006-01-18 Ben Elliston <bje@au.ibm.com>
12015 * expr.c (emit_move_change_mode): Always adjust addresses, not
12016 just during reload. Copy replacements only during reload.
12017 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12018 emit_move_via_integer.
12020 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12022 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12023 instead of $(srcdir) and ${srcdir}.
12025 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12028 PR middle-end/11135
12029 * arm.h (struct machine_function): Add pic_reg.
12030 * arm.c (arm_pic_register): Make unsigned.
12031 (arm_override_options): Only set arm_pic_register if
12032 TARGET_SINGLE_PIC_BASE.
12033 (use_return_insn): Only test for a pic register if it is fixed.
12034 (arm_compute_save_reg0_reg12_mask): Likewise.
12035 (thumb_compute_save_reg_mask): Likewise.
12036 (legitimate_pic_operand): Factor out some known invariants.
12037 (legitimize_pic_address): If we don't have a fixed pic register,
12038 then set up a pseudo in the function entry sequence. Handle the
12039 pic base being in a pseudo.
12040 (arm_load_pic_register): Handle the pic register being in a pseudo.
12041 (arm_expand_prologue): Only set up the pic register if it is fixed.
12042 (thumb_expand_prologue): Likewise.
12043 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12044 (pic_load_addr_based_insn): Likewise.
12045 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12048 2006-01-18 Ben Elliston <bje@au.ibm.com>
12050 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12051 decimal float modes for all floating point registers.
12053 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12054 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12056 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12059 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12060 even when the pointer is not NULL.
12062 2006-01-16 Ian Lance Taylor <ian@airs.com>
12064 * common.opt (ftoplevel-reorder): New option.
12065 * cgraph.c (cgraph_asm_nodes): New global variable.
12066 (cgraph_asm_last_node): New static variable.
12067 (cgraph_order): New global variable.
12068 (cgraph_create_node): Set new order field.
12069 (cgraph_varpool_node): Likewise.
12070 (decide_is_variable_needed): Return true if not
12071 flag_toplevel_reorder.
12072 (cgraph_add_asm_node): New function.
12073 * cgraph.h (struct cgraph_node): Add order field.
12074 (struct cgraph_varpool_node): Add order field.
12075 (struct cgraph_asm_node): Define.
12076 (cgraph_asm_nodes, cgraph_order): Declare.
12077 (cgraph_add_asm_node): Declare.
12078 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12080 (cgraph_varpool_assemble_pending_decls): Call it.
12081 (cgraph_output_pending_asms): New static function.
12082 (cgraph_finalize_compilation_unit): Call it.
12083 (struct cgraph_order_sort): Define.
12084 (cgraph_output_in_order): New static function.
12085 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12086 !flag_toplevel_reorder case.
12087 * c-parser.c: Include "cgraph.h".
12088 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12090 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12091 than -fno-unit-at-a-time.
12092 * doc/invoke.texi (Option Summary): Mention
12093 -fno-toplevel-reorder.
12094 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12095 -funit-at-a-time documentation.
12097 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12098 Kazu Hirata <kazu@codesourcery.com>
12100 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12102 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12104 * Makefile.in (FUNCTION_H): New. Use it instead of
12105 function.h throughout the file.
12106 * function.h: Include tree.h.
12108 2006-01-17 Ben Elliston <bje@au.ibm.com>
12110 * recog.c: Separate some functions with whitespace.
12112 2006-01-16 Richard Henderson <rth@redhat.com>
12114 Merge from gomp branch:
12115 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12116 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12117 and rename from struct inline_data. Rename callee* to dst*;
12118 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12119 transform_new_cfg, transform_return_to_modify, and
12120 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12122 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12123 (copy_decl_for_dup): Remove.
12124 * tree-inline.c (struct inline_data): Move to header.
12125 (insert_decl_map): Export.
12126 (remap_decl): Update for member name changes. Use copy_decl hook.
12127 Allow for replacement to be a non-decl. Remove dead code.
12128 (remap_type_1): Check for existing mapping.
12129 (remap_type): Export.
12130 (remap_decls): Update for member name changes.
12131 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12132 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12133 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12134 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12135 (tree_function_versioning, build_duplicate_type): Likewise.
12136 (copy_body_r): Likewise. Export.
12137 (copy_decl_for_dup): Split into ...
12138 (copy_decl_for_dup_finish, copy_decl_to_var,
12139 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12140 (replace_ref_tree, inlining_p): Remove.
12142 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12144 * ifcvt.c (if_convert): Make it static.
12145 * rtl.h: Remove the prototype for if_convert.
12147 * local-alloc.c (local_alloc): Make it static.
12148 * rtl.h: Remove the prototype for local_alloc.
12150 * loop.c (loop_optimize): Make it static.
12151 * cfgloop.h: Remove the prototype for loop_optimize.
12154 2006-01-16 DJ Delorie <dj@redhat.com>
12156 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12159 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12161 * pa.md: Disparage copies between general and floating-point registers
12162 in 32-bit move patterns.
12164 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12167 * Makefile.in (check-%): Depend on site.exp instead of
12168 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12171 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12173 * global.c (global_alloc): Make it static.
12174 * rtl.h: Remove the prototype for global_alloc.
12176 2006-01-16 Richard Guenther <rguenther@suse.de>
12178 * tree-ssa-alias.c (struct used_part): Add write_only field.
12179 (get_or_create_used_part_for): Initialize it to true.
12180 (create_overlap_variables_for): Don't create structure variables
12181 for structures that only are written to.
12182 (find_used_portions): Handle MODIFY_EXPR to track whether a
12183 structure is only written to.
12185 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12187 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12189 * basic-block.h: Remove the prototype for
12190 partition_hot_cold_basic_blocks.
12192 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12194 * cppspec.c (lang_specific_spec_functions): Remove.
12195 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12196 * gcc.h (lang_specific_spec_functions): Remove.
12197 * gccspec.c (lang_specific_spec_functions): Remove.
12199 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12201 * combine.c (record_value_for_reg): Invalidate registers
12203 (record_dead_and_set_regs_1): Likewise, by passing them to
12204 record_value_for_reg.
12205 (record_dead_and_set_regs): Invalidate stores made by a
12206 call. We do not combine across a call, but we still
12207 relied on equivalences.
12209 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12211 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12212 vrp_int_const_binop returning non-constant nodes.
12214 2006-01-16 Paul Brook <paul@codesourcery.com>
12216 * config/m68k/m68k.c (output_move_const_into_data_reg):
12217 Output correct mnemonic for mvz and mvs.
12219 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12221 * rtl-factoring.c: Add sequence abstraction algorithm.
12222 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12223 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12225 (block_has_preserve_label): New function.
12226 * common.opt: Register new pass.
12227 * Makefile.in: Ditto.
12229 * timevar.def: Ditto.
12230 * tree-pass.h: Ditto.
12231 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12232 * rtl.h (make_jump_insn_raw): Add forward decl.
12233 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12235 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12236 Roger Sayle <roger@eyesopen.com>
12238 * fold-const.c (fold_minmax): New static function.
12239 (fold_binary) <MIN_EXPR>: Call it.
12240 <MAX_EXPR>: Likewise.
12241 * stor-layout.c (place_field): Use DECL_SIZE consistently
12242 in the computation of the new record size.
12244 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12246 * cse.c (cse_condition_code_reg): Make it static.
12247 * rtl.h: Remove the prototype for cse_condition_code_reg.
12249 * combine.c (combine_instructions): Make it static.
12250 * rtl.h: Remove the prototype for combine_instructions.
12252 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12255 * tree.c (get_file_function_name_long): Concatenate the first global
12256 object name with a string derived from the input filename of the object
12259 2006-01-16 Ben Elliston <bje@au.ibm.com>
12261 * config/i386/winnt-stubs.c: Update FSF address.
12262 * config/xtensa/ieee754-df.S: Ditto.
12263 * config/xtensa/ieee754-sf.S: Ditto.
12265 2006-01-14 Ian Lance Taylor <ian@airs.com>
12267 * ifcvt.c (noce_init_if_info): New static function, broken out of
12268 noce_process_if_block.
12269 (noce_process_if_block): Call noce_init_if_info.
12270 (check_cond_move_block): New static function.
12271 (cond_move_process_if_block): New static function.
12272 (process_if_block): Call cond_move_process_if_block.
12274 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12276 * cselib.c (hash_table): Rename to cselib_hash_table.
12277 (cselib_clear_table, discard_useless_values,
12278 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12279 cselib_init, cselib_finish): Adjust uses of hash_table.
12281 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12283 PR tree-optimization/25485
12284 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12285 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12286 is known to be false and true, respectively.
12288 2006-01-14 Richard Guenther <rguenther@suse.de>
12290 PR tree-optimization/22548
12291 PR tree-optimization/22555
12292 PR tree-optimization/22501
12293 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12294 * params.def (salias-max-array-elements): New parameter.
12295 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12296 * doc/invoke.texi (salias-max-array-elements): Document.
12297 * tree-flow-inline.h (var_can_have_subvars): We also handle
12299 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12301 * tree-ssa-structalias.c (params.h): Include.
12302 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12303 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12304 (get_constraint_for): For ADDR_EXPR operating on something
12305 containing an ARRAY_REF, add all subvars to the solution.
12306 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12307 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12308 for creating MUST_DEFs.
12309 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12311 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12313 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12315 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12316 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12317 number_of_iterations_le): New functions.
12318 (number_of_iterations_special): Removed.
12319 (number_of_iterations_exit): Do not use number_of_iterations_special.
12320 * tree.c (unsigned_type_for): Always return integer type.
12322 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12323 Richard Guenther <rguenther@suse.de>
12325 PR rtl-optimization/24257
12326 * gcse.c (find_moveable_store): Only consider a store movable
12327 when the SET_SRC of the insn can be assigned to a register.
12329 2006-01-14 Ian Lance Taylor <ian@airs.com>
12331 * tree.c (tree_not_class_check_failed): New function.
12332 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12333 (tree_not_class_check_failed): Declare.
12335 2006-01-13 Ian Lance Taylor <ian@airs.com>
12337 * reload1.c (do_output_reload): Add assertion rejecting a
12340 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12342 * combine.c (struct reg_stat): Add new fields truncation_label and
12344 (record_value_for_reg): Reset truncated_to_mode.
12345 (record_truncated_value): New function.
12346 (check_promoted_subreg): Call it. Rename to check_conversions.
12347 (combine_instructions): Rename check_promoted_subreg to
12349 (reg_truncated_to_mode): New function.
12350 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12351 (gen_lowpart_or_truncate): New function.
12352 (force_to_mode): Use it instead of gen_lowpart.
12354 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12356 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12357 VAR is a tag, not its type tag.
12359 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12361 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12362 alternatives to match style of other entries.
12363 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12365 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12367 PR tree-optimization/25771
12368 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12371 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12374 * tree-inline.c (declare_return_variable): If the return variable
12375 was marked as a non gimple complex, set the return slot variable
12376 to be a non gimple comple variable.
12378 2006-01-13 Richard Guenther <rguenther@suse.de>
12380 * builtins.c (expand_builtin_sincos): New function.
12381 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12383 (expand_builtin): Expand sincos using expand_builtin_sincos.
12385 2006-01-12 DJ Delorie <dj@redhat.com>
12387 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12388 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12389 so that constant shifts can be split.
12390 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12391 (m32c_valid_pointer_mode): Make static.
12392 (shift_gen_func_for): New.
12393 (m32c_prepare_shift): Use it. Split large const shifts into
12395 * config/m32c/predicates.md (shiftcount_operand): Allow more
12397 (longshiftcount_operand): New.
12398 * doc/md.texi (Machine Constraints): Document In6.
12400 2006-01-13 Ben Elliston <bje@au.ibm.com>
12402 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12403 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12406 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12408 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12409 to try to avoid clobbering pieces of structures when we know
12410 something about the whole structure.
12411 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12413 2006-01-13 Ben Elliston <bje@au.ibm.com>
12415 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12416 return in memory, as this is no limitation is no longer present.
12418 2006-01-12 DJ Delorie <dj@redhat.com>
12420 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12421 mova with fb, and for fb+0 -> An.
12423 * config/m32c/mov.md (peephole2): Fix enabling logic.
12425 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12426 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12427 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12428 FINI_ARRAY_SECTION_ASM_OP): Define.
12430 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12432 (m32c_legitimize_reload_address): New logic to reload FB to An.
12433 (m32c_output_reg_push): Add newline.
12434 (m32c_output_reg_pop): Likewise.
12436 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12438 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12440 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12442 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12444 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12446 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12449 2006-01-11 Ben Elliston <bje@au.ibm.com>
12451 * rtlanal.c (find_reg_note): Assert insn is not null.
12453 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12455 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12458 2006-01-11 Jeff Law <law@redhat.com>
12460 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12462 (mark_threaded_blocks, register_jump_thread): New functions.
12463 (thread_through_all_blocks): Remove unwanted argument. No
12464 longer rely on e->aux to communicate thread target info.
12465 Call mark_threaded_blocks. Release the threaded_blocks
12466 bitmap and threaded_edges vector when complete.
12467 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12468 (threaded_blocks): Remove.
12469 (tree_ssa_dominator_optimize): Remove initialization and
12470 finalization of threaded_blocks. Simplify call to
12471 thread_through_all_blocks.
12472 (thread_across_edge): Call register_jump_thread rather than
12473 storing thread information into e->aux.
12474 (free_all_edge_infos): Simplify now that e->aux is no longer
12475 used to communicate with thread_through_all_blocks.
12476 * tree-flow.h (thread_through_all_blocks): Update prototype.
12477 (register_jump_thread): Prototype.
12479 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12481 * df-core.c (df_compact_blocks, df_bb_replace): Use
12482 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12484 2006-01-11 Richard Guenther <rguenther@suse.de>
12486 PR tree-optimization/25734
12487 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12488 stop propagation after successful propagation to the LHS.
12490 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12492 * basic-block.h (control_flow_graph): Change the type of
12493 x_basic_block_info to VEC(basic_block,gc) *.
12494 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12496 (SET_BASIC_BLOCK): New.
12497 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12498 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12499 * cfgbuild.c (find_basic_blocks): Likewise.
12500 * cfglayout.c (fixup_reorder_chain): Likewise.
12501 * cfgrtl.c (create_basic_block_structure,
12502 rtl_create_basic_block): Likewise.
12503 * ifcvt.c (find_if_case_1): Likewise.
12504 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12507 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12509 * Makefile.in: Removed rotted odf.c entry.
12511 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12514 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12515 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12516 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12517 output pattern modifier, not %e.
12518 * config/cris/cris.c (cris_op_str): Update comment about pattern
12520 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12521 before falling through into...
12522 <case 'E'>: Redefined from old 'e' case.
12524 2006-01-11 Jan Hubicka <jh@suse.cz>
12527 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12529 2006-01-11 Jan Hubicka <jh@suse.cz>
12531 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12532 * i386.c (x86_decompose_lea): Kill.
12533 (ix86_rtx_costs): Kill.
12535 2006-01-11 Jan Hubicka <jh@suse.cz>
12537 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12538 * cgraph.h (cgraph_node): Add inline_decl.
12539 (cgraph_insert_node_to_hashtable): Declare.
12540 (save_inline_function_body): Declare.
12541 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12543 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12544 (cgraph_function_versioning): Update call of tree_function_versioning.
12545 (save_inline_function_body): New function.
12546 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12547 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12548 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12549 (cgraph_default_inline_p): Likewise.
12550 (cgraph_decide_inlining_incrementally): Likewise.
12551 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12552 (copy_bb): Kill saving; do updating of clones.
12553 (copy_cfg_body): Kill saving.
12554 (initialize_inlined-parameters): Likewise.
12555 (expand_call_inline): Likewise.
12557 (tree_function_versioning): New parameter "update_clones".
12558 (inlining_p): Kill saving.
12559 * tree-inline.h (tree_function_versioning): Update prototype.
12560 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12563 2006-01-11 Ian Lance Taylor <ian@airs.com>
12565 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12566 Allow undoing set of machine mode.
12567 (do_SUBST): Use enums instead of is_int.
12568 (do_SUBST_MODE): New function.
12569 (SUBST_MODE): New macro.
12570 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12571 reg and trying to replace reg_regno_rtx with a new register.
12572 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12573 (simplify_set): Use SUBST_MODE.
12574 (distribute_notes): Remove code that tried to update reg notes
12575 for regno_reg_rtx changes.
12577 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12579 PR tree-optimization/23109
12580 PR tree-optimization/23948
12581 PR tree-optimization/24123
12583 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12584 * tree-cfg.c (single_noncomplex_succ): New.
12585 * tree-flow.h (single_noncomplex_succ): Declare it.
12586 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12587 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12588 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12589 insert_bb, register_division_in, insert_reciprocals,
12590 replace_reciprocal, free_bb): New.
12591 (execute_cse_reciprocals_1): Rewritten.
12592 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12593 Do not commit any edge insertion. Always compute dominators and
12594 create the allocation pool.
12595 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12596 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12597 * targhooks.c (default_min_divistions_for_recip_mul): New.
12598 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12599 * passes.c (init_optimization_passes): Run recip after tree loop
12601 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12603 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12604 Kenneth Zadeck <zadeck@naturalbridge.com>
12606 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12607 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12608 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12609 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12610 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12611 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12612 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12613 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12614 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12615 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12616 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12617 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12618 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12619 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12620 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12621 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12622 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12623 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12624 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12625 DF_SCAN_POST_ALLOC): New macros.
12626 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12627 df_free_bb_function, df_local_compute_function, df_init_function,
12628 df_dataflow_function, df_confluence_function_0,
12629 df_confluence_function_n, df_transfer_function,
12630 df_finalizer_function, df_free_function, df_dump_problem_function,
12631 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12632 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12633 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12634 df_urec_bb_info, ) New types.
12635 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12637 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12638 df_analyze_simple_change_some_blocks,
12639 df_analyze_simple_change_one_block, df_compact_blocks,
12640 df_bb_replace, df_bb_regno_last_use_find,
12641 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12642 df_insn_regno_def_p, df_find_def, df_find_use,
12643 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12644 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12645 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12646 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12647 debug_df_chain, df_get_dependent_problem, df_chain_create,
12648 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12649 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12650 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12651 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12652 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12653 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12654 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12655 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12656 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12657 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12658 df_reorganize_refs, df_set_state, df_hard_reg_init,
12659 df_read_modify_subreg_p) New public functions.
12660 * df-core.c: The core dataflow solver and glue routines for rtl
12662 (df_init, df_add_problem, df_set_blocks, df_finish,
12663 df_hybrid_search_forward, df_hybrid_search_backward,
12664 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12665 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12666 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12667 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12668 df_reg_defined, df_find_use, df_reg_used, df_dump,
12669 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12670 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12671 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12672 debug_df_useno, reset_df_after_reload): New functions.
12673 * df-scan.c: The scanning fuctions, once in df.c, completely
12674 rewritten so that they now fully model the functionality of
12675 register usage at the backend.
12676 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12677 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12678 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12679 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12680 df_get_artificial_defs, df_get_artificial_uses,
12681 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12682 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12683 df_refs_delete, df_reorganize_refs, df_set_state,
12684 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12685 df_def_record_1, df_defs_record, df_uses_record,
12686 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12687 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12688 df_record_exit_block_uses, df_hard_reg_init): New functions.
12690 * df-problems.c: Seven concrete dataflow problems that use the
12691 scanning in df-scan.c and are solved by the engine in df-core.c.
12692 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12693 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12694 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12695 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12696 df_ru_free_bb_info, df_ru_alloc,
12697 df_ru_bb_local_compute_process_def,
12698 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12699 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12700 df_ru_transfer_function, df_ru_free, df_ru_dump,
12701 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12702 df_rd_free_bb_info, df_rd_alloc,
12703 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12704 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12705 df_rd_transfer_function, df_rd_free, df_rd_dump,
12706 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12707 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12708 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12709 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12710 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12711 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12712 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12713 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12714 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12715 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12716 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12717 df_urec_mark_reg_use_for_earlyclobber,
12718 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12719 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12720 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12721 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12722 df_chain_create_bb_process_use, df_chain_create_bb,
12723 df_chain_finalize, df_chain_free, df_chains_dump,
12724 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12725 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12726 df_reg_lifetime): New functions.
12727 * df.c: Deleted file.
12728 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12729 consistent with new df api.
12730 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12731 rest_of_handle_sms): Ditto.
12732 * web.c (unionfind_union, union_defs, entry_register, web_main):
12734 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12735 invariant_expr_equal_p, find_defs, check_dependencies,
12736 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12737 free_inv_motion_data, move_loop_invariants): Ditto.
12738 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12739 Update dependencies.
12740 (odf.c): Added defective entry that was deleted later in day.
12741 * sched-deps.c (sched_analyze_1): Ditto.
12743 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12745 * tree-ssa-operands.c (get_expr_operands): Record addressable
12746 variables directly. Do not call add_stmt_operands for CONST_DECLs
12748 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12749 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12751 2006-01-11 Ben Elliston <bje@au.ibm.com>
12753 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12754 function returns true in the positive case.
12756 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12759 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12760 for SI, DI, SF and DF modes. Add alternatives to copy between
12761 general and floating point registers to the 32-bit patterns.
12762 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12763 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12764 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12765 generating 64-bit code.
12766 * config/pa/pa.c (output_move_double): Handle copies between general
12767 and floating registers.
12769 2006-01-10 Stuart Hastings <stuart@apple.com>
12771 * config/i386/i386.md (set_got): Update.
12772 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12773 (builtin_setjmp_receiver): Mach-O support.
12774 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12775 (GOT_SYMBOL_NAME): Define.
12776 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12777 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12778 * config/i386/i386.c (override_options): Revise for Darwin.
12779 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12780 support. (darwin_x86_file_end): New. (output_set_got): Add label
12781 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12782 * config/i386/i386-protos.h (output_set_got): Likewise.
12783 * config/darwin.c (machopic_legitimize_pic_address): Update
12786 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12788 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12789 when MODE isn't BLKmode.
12791 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12793 PR rtl-optimization/25367
12794 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12796 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12799 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12800 for a negative bound.
12802 2006-01-10 Richard Guenther <rguenther@suse.de>
12804 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12805 Never override with anything constraint.
12807 2006-01-10 Jan Beulich <jbeulich@novell.com>
12809 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12810 256 bits when optimize_size.
12812 2006-01-10 Jan Beulich <jbeulich@novell.com>
12814 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12816 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12817 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12820 2006-01-10 Ben Elliston <bje@au.ibm.com>
12822 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12824 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12825 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12826 (USE_FP_FOR_ARG): Reject decimal float modes.
12827 (function_arg_advance): Likewise.
12828 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12829 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12830 point types in AltiVec vectors.
12831 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12832 (rs6000_libcall_value): Likewise.
12834 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12836 * config/xtensa/ieee754-df.S: New file.
12837 * config/xtensa/ieee754-sf.S: New file.
12838 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12839 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12840 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12842 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12844 * config/sh/predicates.md (binary_float_operator,
12845 binary_logical_operator, commutative_float_operator,
12846 equality_comparison_operator, greater_comparison_operator,
12847 less_comparison_operator, logical_operator,
12848 noncommutative_float_operator, shift_operator,
12849 symbol_ref_operand, unary_float_operator): Remove redundant
12852 2006-01-09 Jeff Law <law@redhat.com>
12854 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12855 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12856 now unused arguments. Callers updated.
12857 (eliminate_redundant_computations): Remove now unused arguments,
12859 (local_fold): Remove, no longer used.
12860 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12862 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12863 (simplify_cond): New function.
12864 (forward_propagate_into_cond): Call simplify_cond.
12866 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12868 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12869 (*vec_extractv2di_1_sse): New.
12871 2006-01-09 Ben Elliston <bje@au.ibm.com>
12873 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12875 2006-01-08 Richard Guenther <rguenther@suse.de>
12877 * tree-ssa-structalias.c (get_constraint_for): Remove
12878 anyoffset argument.
12879 (get_constraint_for_component_ref): Likewise.
12880 (do_deref): Likewise.
12881 (get_constraint_for): Likewise.
12882 (do_structure_copy): Likewise.
12883 (handle_ptr_arith): Likewise.
12884 (find_func_aliases): Likewise. Remove unused need_anyoffset
12887 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12888 Kaz Kojima <kkojima@gcc.gnu.org>
12890 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12891 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12892 (EXTRA_CONSTRAINT_C16): Remove.
12893 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12894 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12895 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12896 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12897 constants of SHmedia. Handle nested constant expressions of
12899 (andcosts): Fix the costs for SHmedia constants.
12900 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12901 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12902 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12903 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12904 (movv4hi_i, movv2si_i): Likewise.
12905 (movsi_const): Adjust the second operand of ior so to match with
12906 the Csu constraint.
12907 (movdi_const, movdi_const_32bit): Likewise.
12908 (movdi_const_16bit+1): Don't sign-extend LOW.
12909 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12911 (*double_shori): Fix the split condition. Use GEN_INT instead
12912 of get_int_mode calls. Mask lower 16-bit of the argument of
12914 (sym2GOTPLT): Remove.
12915 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12917 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12918 instead of EXTRA_CONSTRAINT_C16.
12920 2006-01-07 Ian Lance Taylor <ian@airs.com>
12921 David Edelsohn <edelsohn@gnu.org>
12923 PR rtl-optimization/25662
12924 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12925 for constant operands instead of simplify_gen_binary.
12926 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12927 after trying simplify_binary_operation
12929 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12931 * tree.c (iterative_hash_expr): Hash decls based on UID.
12933 2006-01-06 Eric Christopher <echristo@apple.com>
12935 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12936 (TARGET_UNWIND_EMIT): Fix spelling.
12937 * target.h (gcc_target): Add except_table_label.
12938 * except.c (output_function_exception_table): Use.
12939 * varasm.c (default_emit_except_table_label): New.
12940 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12942 (asm_out): Add here.
12943 * output.h (default_emit_except_table_label): Prototype.
12944 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12945 * config/darwin.c (darwin_emit_except_table_label): Define.
12946 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12948 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12950 PR tree-optimization/18527
12951 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12952 number_of_iterations_special, number_of_iterations_exit):
12953 Move base and step of an iv to a single structure. Add
12954 no_overflow flag, and use it in # of iterations analysis.
12955 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12956 folded_casts argument.
12957 (simple_iv): Pass base and step in a structure. Set no_overflow
12959 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12960 Evaluate expensiveness of computing # of iterations instead of
12961 the final expression.
12962 * tree-scalar-evolution.h (affine_iv): New structure.
12963 (simple_iv): Declaration changed.
12964 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12965 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12966 find_givs_in_stmt): Changed due to simple_iv change.
12968 2006-01-06 Jeff Law <law@redhat.com>
12971 * tree-cfg.c (bsi_replace): Rename final argument from
12972 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12973 change (stmt -> orig_stmt).
12974 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12975 (bsi_remove): Add new argument. Remove EH information
12977 (verify_eh_throw_table_statements): New function.
12978 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12980 * tree-optimize.c (execute_free_cfg_annotations): Verify
12981 the EH throw statement table after removing annotations.
12982 * except.h (verify_eh_throw_table_statements): Prototype.
12983 * tree-flow.h (bsi_remove): Update prototype.
12984 * tree-vrp.c (remove_range_assertions): Add new argument to
12986 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12987 * tree-complex.c (expand_complex_div_wide): Likewise.
12988 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12989 * tree-tailcall.c (eliminate_tailcall): Likewise.
12990 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12991 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12992 * tree-nrv.c (tree_nrv): Likewise.
12993 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12994 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12995 (combine_blocks): Likewise.
12996 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12997 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12998 (cleanup_control_flow): Likewise.
12999 (remove_forwarder_block): Likewise.
13000 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13001 * tree-sra.c (sra_replace): Likewise.
13002 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13003 (forward_propagate_single_use_vars): Likewise.
13004 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13005 * tree-inline.c (expand_call_inline): Likewise.
13006 * tree-vect-transform.c (vect_transform_loop): Likewise.
13007 * tree-outof-ssa.c (rewrite_trees): Likewise.
13008 * tree-cfg.c (make_goto_expr_edges): Likewise.
13009 (cleanup_dead_labels): Likewise.
13010 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13011 (bsi_move_before, bsi_move_after): Likewise.
13012 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13013 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13015 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13018 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13020 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13021 on non gimple variables. Also add checks at the top for decls and
13023 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13025 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13026 and IMAGPART_EXPR for creating MUST_DEFs.
13027 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13028 and NAME_MEMORY_TAG separately from the DECLs.
13030 2006-01-06 Richard Guenther <rguenther@suse.de>
13032 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13033 annotation, if necessary.
13034 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13035 redundant calls to update_stmt.
13036 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13039 2006-01-05 Richard Henderson <rth@redhat.com>
13041 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13043 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13045 * c-typeck.c: Update copyright date.
13047 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13049 * c-typeck.c (build_c_cast): Always warn when casting
13050 from a pointer to an integer of different size, even if
13051 the node was constant.
13053 2006-01-05 Richard Guenther <rguenther@suse.de>
13055 PR tree-optimization/22555
13056 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13057 if one structure field is an array.
13058 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13059 operands even if we found a subvar, but ignore VOPs in this
13061 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13063 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13065 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13067 PR middle-end/24998
13068 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13070 2006-01-05 Richard Guenther <rguenther@suse.de>
13071 Diego Novillo <dnovillo@redhat.com>
13073 * tree-pass.h (TODO_remove_unused_locals): Define.
13074 * gimple-low.c (expand_var_p, remove_useless_vars,
13075 pass_remove_useless_vars): Remove. Update all users.
13076 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13077 (remove_unused_locals): New function.
13078 * tree-flow.h (remove_unused_locals): Declare.
13079 * passes.c (execute_todo): Call remove_unused_locals if
13080 TODO_remove_unused_locals is set.
13081 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13082 * tree-ssa-dce.c (pass_dce): Likewise.
13083 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13085 2006-01-05 Richard Guenther <rguenther@suse.de>
13087 * tree-flow.h (struct fieldoff): Decompose field to
13088 type, size and decl.
13089 * tree-ssa-alias.c (create_sft): Take type as parameter.
13090 (create_overlap_variables_for): Store type, size and decl
13091 in the fieldoff structure.
13092 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13093 of struct fieldoff.
13094 (push_fields_onto_fieldstack): Likewise.
13095 (create_variable_info_for): Likewise. Use offset for the
13096 SFT name if the decl is not available.
13098 2006-01-04 Paul Brook <paul@codesourcery.com>
13100 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13102 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13104 * lambda-code.c (can_put_in_inner_loop): Relax
13106 (can_put_after_inner_loop): New function.
13107 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13108 (perfect_nestify): Change to make copies and modify uses.
13110 2006-01-04 Richard Henderson <rth@redhat.com>
13112 Merge from gomp branch:
13113 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13114 via integer constant.
13115 (pragma_lex): Remove.
13116 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13117 rather than parsing it.
13118 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13119 handle_pragma_extern_prefix): Add %< %> quotes.
13120 (registered_pragmas): New.
13121 (c_register_pragma_1): New.
13122 (c_register_pragma): Use it.
13123 (c_register_pragma_with_expansion): Likewise.
13124 (c_invoke_pragma_handler): New.
13125 (init_pragma): Use cpp_register_deferred_pragma directly for
13127 * c-pragma.h (enum pragma_kind): New.
13128 (pragma_handler): New.
13129 (c_invoke_pragma_handler): Declare.
13130 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13132 * c-common.h (c_common_pch_pragma): Update decl.
13133 * Makefile.in (c-parser.o): Update dependencies.
13134 (GTFILES): Add c-pragma.h.
13135 * c-parser.c (struct c_token): Add pragma_kind.
13136 (struct c_parser): Add in_pragma.
13137 (c_lex_one_token): Always initialize keyword and pragma_kind.
13138 Extract data for CPP_PRAGMA.
13139 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13140 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13141 Don't allow CPP_PRAGMA_EOL if in_pragma.
13142 (c_parser_consume_pragma): New.
13143 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13144 (c_parser_skip_to_end_of_parameter): Likewise.
13145 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13146 (c_parser_skip_to_pragma_eol): New.
13147 (c_parser_external_declaration): Handle CPP_PRAGMA.
13148 (c_parser_compound_statement_nostart): Likewise.
13149 (c_parser_statement_after_labels): Likewise.
13150 (c_parser_pragma): New.
13151 (pragma_lex): Likewise.
13152 (c_parser_pragma_pch_preprocess): New.
13153 (c_parser_new): Merge into ...
13154 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13156 2006-01-04 Jeff Law <law@redhat.com>
13159 * tree-cfg.c (bsi_replace): Remove the original statement
13160 from the EH throw statement table.
13162 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13164 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13165 make the prototype extern "C" and add throw ().
13168 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13169 and pos non-negative and pos + len <= 32.
13170 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13171 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13172 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13175 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13176 as well as sizes not multiple of component size.
13179 * function.c (instantiate_expr): New function.
13180 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13181 walk its DECL_VALUE_EXPR with instantiate_expr.
13183 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13184 DW_OP_deref{,_size} if address isn't going to be added.
13186 2006-01-04 Ben Elliston <bje@au.ibm.com>
13188 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13189 * config/fp-bit.c: Likewise.
13191 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13193 * dominance.c: Add comment about why we use DFS numbering
13196 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13197 Richard Henderson <rth@redhat.com>
13199 Merge from gomp-branch:
13200 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13201 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13203 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13205 PR rtl-optimization/25578
13206 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13207 pass a parameter to simplify_shift_const if changing ASHIFTRT
13210 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13212 * builtins.c (get_builtin_sync_mem): New function.
13213 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13214 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13215 Call get_builtin_sync_mem to generate mem rtx.
13217 2006-01-03 Richard Guenther <rguenther@suse.de>
13220 * stmt.c (add_case_node): Make sure to clear overflow flags
13223 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13225 Merge from gomp-branch.
13226 * config/sparc/sync.md: New file.
13227 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13228 UNSPECV_LDSTUB): New constants.
13229 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13230 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13231 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13234 2006-01-03 Roger Sayle <roger@eyesopen.com>
13236 * combine.c (reg_subword_p): New predicate to test whether the
13237 destination of a set refers to a subword/piece of a register.
13238 (try_combine): Generalize the code to merge the setting of a
13239 pseudo to a constant followed by a set of a subword of that
13240 register to a constant.
13242 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13244 * basic-block.h (control_flow_graph): Change the type of
13245 x_label_to_block_map to VEC(basic_block,gc) *.
13246 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13247 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13249 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13250 VEC(basic_block,heap) *.
13251 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13252 ssa_prop_fini): Adjust the uses of cfg_blocks.
13254 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13256 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13258 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13259 hashing trees instead of a pointer hash.
13260 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13261 compare for MEM_EXPR.
13263 PR rtl-optimization/25130
13264 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13265 when comparing MEMs for GCSE
13267 2006-01-03 Ben Elliston <bje@au.ibm.com>
13269 * targhooks.h (default_decimal_float_supported_p): Declare.
13270 * targhooks.c (default_decimal_float_supported_p): Define.
13271 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13272 `default_decimal_float_supported_p'.
13273 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13275 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13277 * combine.c (apply_distributive_law <SUBREG>): Check
13278 TRULY_NOOP_TRUNCATION.
13280 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13282 * dwarf2out.c (have_switched_text_section): Delete.
13283 (have_multiple_function_sections): New.
13284 (have_location_lists): Make 'bool'.
13285 (add_AT_loc_list): Use 'true' not '1'.
13286 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13287 (output_loc_list): Use have_multiple_function_sections.
13288 (output_ranges): Likewise.
13289 (dwarf2out_begin_function): Set have_multiple_function_sections if
13291 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13292 Check function_section rather than DECL_SECTION_NAME.
13293 (dwarf2out_finish): Use have_multiple_function_sections.
13294 Don't clear have_location_lists.
13296 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13297 Jan Hubicka <jh@suse.cz>
13299 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13300 case of conditional jump jumping to the next instruction.
13301 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13302 cases of conditional jump jumping to the next instruction.
13304 2006-01-02 Jan Hubicka <jh@suse.cz>
13306 * i386.c (*_cost): Add COSTS_N_INSNS.
13307 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13309 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13312 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13314 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13316 * config/arm/arm.c (all_fpus): Fix comment typo.
13317 * config/darwin.c: Likewise.
13318 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13319 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13320 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13322 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13324 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13325 (rs6000_split_compare_and_swapqhi): New.
13326 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13327 (sync_compare_and_swapqhi_internal): New.
13328 * config/rs6000/rs6000-protos.h: Declare.