1 2006-07-17 Roger Sayle <roger@eyesopen.com>
2 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7 functions such as sbrk, write, etc.. Add function prototypes.
8 Convert function declarations from K&R to ISO C. Cast pointers
9 to "long" and "unsigned long" instead of "int" and "unsigned int".
10 Convert tokens following #endif into comments.
12 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
14 * invoke.texi: Remove mention of f77; Reformat table for
15 inline parameter options correctly; mention that -malign-double
16 is default on x86-64 targets.
18 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
20 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
21 (convert_affine_scev, chrec_convert_aggressive): Use
22 avoid_arithmetics_in_type_p. Do not check for the subtypes
25 2006-07-17 Richard Sandiford <richard@codesourcery.com>
28 * optabs.c (expand_doubleword_shift): Wrap the call to
29 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
31 2006-07-17 Richard Sandiford <richard@codesourcery.com>
34 * optabs.c (expand_binop): Pass next_methods rather than methods
35 to expand_doubleword_shift.
37 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
40 * tree.h (dump_addr): Declare.
41 * print-tree.c (dump_addr): New function.
42 (print_node_brief, print_node): Use it.
43 * print-rtl.c (print_rtx): Likewise.
44 * common.opt (-fdump-noaddr): New option.
45 * doc/invoke.texi (-fdump-noaddr): Document.
46 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
47 (ve_info_hash): Likewise.
49 2006-07-13 Andrew Haley <aph@redhat.com>
51 PR tree-optimization/19505
52 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
53 edge leaving this block, make sure that the destination of this
54 block has only one predecessor.
56 2006-07-17 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/28238
59 * tree-inline.c (copy_bb): Check if we produced valid
60 gimple copying and substituting a stmt. If not, gimplify
63 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
65 * optabs.c (maybe_encapsulate_block): New function extracted from...
66 (emit_libcall_block): ...here. Invoke it on the block of insns to
67 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
68 (emit_no_conflict_block): Likewise.
70 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
72 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
74 2006-07-15 Roger Sayle <roger@eyesopen.com>
76 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
77 a new NOP_EXPR case of the switch statement.
79 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
82 * stor-layout.c (place_field): Take the bit field with
83 an excessive size into account in the ms-bitfiled case.
86 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
87 the previous bit field.
89 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
92 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
94 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
96 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
97 signal frames correctly even when the signal was installed with
100 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
102 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
103 (dbxout_function_end): Use local label LFBB. Remove hook
105 (dbxout_source_line): Use local label LFBB.
106 (dbxout_block): Likewise.
107 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
108 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
109 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
112 2006-07-13 Janis Johnson <janis187@us.ibm.com>
114 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
116 2006-07-13 Jan Hubicka <jh@suse.cz>
118 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
120 * output.h (align_variable): Declare.
121 * varasm.c (align_variable): Export.
122 * value-prof.c (tree_value_profile_transformations): Recompute iterator
123 when basic block changed.
125 2006-07-13 Nick Clifton <nickc@redhat.com>
127 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
128 walking the LOG_LINKS chain.
130 2006-07-12 Geoffrey Keating <geoffk@apple.com>
132 * doc/invoke.texi (C++ Dialect Options): Explain difference
133 between -fvisibility-inlines-hidden and setting hidden
134 visibility explicitly.
136 2006-07-12 Eric Christopher <echristo@apple.com>
138 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
139 (stmp-lipo): Depend on libgcc.a.
141 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
143 * tree.c: Fix a comment typo.
145 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
147 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
149 (umulhisi3_r): Likewise.
151 2006-07-12 Paolo Carlini <pcarlini@suse.de>
154 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
155 x < 19, vs wchar_t support.
157 2006-07-12 Nick Clifton <nickc@redhat.com>
159 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
162 2006-07-12 Mike Stump <mrs@apple.com>
164 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
166 2006-07-10 Eric Christopher <echristo@apple.com>
168 * config/t-slibgcc-darwin: Rewrite.
170 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
173 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
176 2006-07-08 Matthias Klose <doko@debian.org>
178 * doc/sourcebuild.texi: Fix typo.
180 2006-07-07 Mike Stump <mrs@apple.com>
182 * toplev.c (process_options): Don't give -ffunction-sections may
183 affect debugging warning for Mach-O.
185 2006-07-07 James E Wilson <wilson@specifix.com>
187 * config/mips/mips.md (cpu): Add sb1a.
188 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
189 addition to sb1. Adjust comments to clarify SB-1A differences from
191 (ir_sb1a_load): New. Modify bypasses to use it.
192 (ir_sb1a_simple_alu): Likewise.
193 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
194 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
195 (mips_issue_rate): Add PROCESSOR_SB1A.
196 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
197 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
198 (TARGET_SB1): Add PROCESSOR_SB1A check.
199 (TUNE_SB1): Likewise.
201 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
202 * config/mips/mips.c (mips_store_data_bypass_p): New.
203 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
206 2006-07-08 Paul Brook <paul@codesourcery.com>
209 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
211 2006-07-07 Richard Guenther <rguenther@suse.de>
214 * tree.h (build_one_cst): Declare.
215 * tree.c (build_one_cst): New function.
216 * tree-ssa-math-opts.c (get_constant_one): Remove.
217 (insert_reciprocals): Use build_one_cst.
218 * fold-const.c (fold_plusminus_mult): Likewise.
220 2006-07-07 Roger Sayle <roger@eyesopen.com>
222 * pointer-set.c (pointer_set_destroy): Correct whitespace.
223 * cfgloopanal.c (dump_graph): Likewise.
224 * dojump.c (discard_pending_stack_adjust): Likewise.
225 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
227 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
228 * function.c (finalize_block_changes): Likewise.
229 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
230 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
231 * rtl.c (dump_rtx_statistics): Likewise.
232 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
234 * varray.c (dump_varray_statistics): Likewise.
235 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
236 decode_decimal64, encode_decimal128, decode_decimal128,
237 decimal_real_to_decimal): Likewise.
239 2006-07-07 Richard Guenther <rguenther@suse.de>
241 PR tree-optimization/28187
242 * tree-vrp.c (vrp_operand_equal_p): New function.
243 (vrp_bitmap_equal_p): Likewise.
244 (update_value_range): Use them to compare old and new
247 2006-07-06 Roger Sayle <roger@eyesopen.com>
249 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
250 a default case to switch statement to silence compiler warnings.
252 2006-07-06 Roger Sayle <roger@eyesopen.com>
255 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
256 the configured assembler supports the x87's ffreep mnemonic.
257 * configure: Regenerate.
258 * config.in: Regenerate.
260 * config/i386/i386.c (output_387_ffreep): New function.
261 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
262 (output_387_reg_move): Likewise.
264 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
266 Port to hosts whose 'sort' and 'tail' implementations
267 treat operands with leading '+' as file names, as POSIX
268 has required since 2001. However, make sure the code still
269 works on pre-POSIX hosts.
270 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
271 which says you should use "tail -c +N" rather than "tail +Nc".
272 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
274 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
276 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
279 2006-07-06 David Edelsohn <edelsohn@gnu.org>
282 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
283 PRE_{INC,DEC} of TFmode.
285 2006-07-06 David Edelsohn <edelsohn@gnu.org>
286 Alan Modra <amodra@bigpond.net.au>
289 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
292 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
295 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
296 Remove duplicate gtu.
298 2006-07-05 Jason Merrill <jason@redhat.com>
302 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
303 * c-common.c (handle_packed_attribute): So don't copy it here.
304 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
306 2006-07-05 Mike Stump <mrs@apple.com>
308 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
310 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
313 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
315 2006-07-05 Richard Guenther <rguenther@suse.de>
318 * config/i386/i386.md (*negdf2_1): Restrict pattern to
319 TARGET_SSE2 targets if using SSE math.
320 (*absdf2_1): Likewise.
322 2006-07-05 Richard Guenther <rguenther@suse.de>
324 PR tree-optimization/28162
325 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
326 make sure to convert the operands to the correct type.
328 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
330 PR tree-optimization/28218
332 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
333 to calculate and free the dominator information.
335 2006-07-04 Peter O'Gorman <peter@pogma.com>
337 * mklibgcc.in: chmod 644 before ranlib during install.
339 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
340 J"orn Rennecke <joern.rennecke@st.com>
342 * configure.ac (.eh_frame data check): Use diff -b.
344 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
347 * Makefile.in (BUILD_RTL): Add build/vec.o.
348 (build/gencondmd.o): Filter out -fkeep-inline-functions.
349 (build/genextract): Delete.
350 (build/genautomata): Likewise.
352 2006-07-04 Alan Modra <amodra@bigpond.net.au>
355 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
356 128-bit IBM long doubles for ABI_V4.
358 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
360 * tree.c (range_in_array_bounds_p): New predicate.
361 * tree.h (range_in_array_bounds_p): Declare it.
362 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
363 return a less conservative answer.
364 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
366 (IS_ELEMENT_FOR_GROUP): New macro.
367 (FOR_EACH_ACTUAL_CHILD): Likewise.
368 (next_child_for_group): New helper function.
369 (can_completely_scalarize_p): Take into account groups.
370 (sra_hash_tree): Handle RANGE_EXPR.
371 (sra_elt_eq): Likewise.
372 (lookup_element): Be prepared for handling groups.
373 (is_valid_const_index): Delete.
374 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
375 instead of is_valid_const_index.
376 <ARRAY_RANGE_REF>: New case.
377 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
378 is_valid_const_index.
379 <ARRAY_RANGE_REF>: Do not unconditionally punt.
380 (scan_dump): Dump info for groups too.
381 (decide_instantiation_1): Likewise.
382 (decide_block_copy): Assert that the element is not a group.
383 Propagate decision to groups.
384 (generate_one_element_ref): Handle RANGE_EXPR.
385 (mark_no_warning): Iterate over actual childs.
386 (generate_copy_inout): Likewise.
387 (generate_element_copy): Likewise.
388 (generate_element_zero): Likewise.
389 (generate_element_init_1): Likewise.
390 (dump_sra_elt_name): Handle RANGE_EXPR.
392 2006-07-03 Roger Sayle <roger@eyesopen.com>
394 PR tree-optimization/26251
395 * tree-ssa-threadupdate.c (redirection_block_p): New function.
396 (thread_block): When optimizing for size refuse to thread jumps
397 that would require duplication of blocks other than redirection
400 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
402 * configure.ac: Fix thinko in previous check-in.
403 * configure: Regenerate.
405 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
408 * configure.ac (for lang...): Simplify nesting of conditionals.
409 Test subdir_requires for non-enabled languages. Move processing
410 of lang_opt_files and lang_tree_fiels below that test.
411 * configure: Regenerate.
412 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
414 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
416 * doc/gcov.texi (Invoking Gcov): Add a missing word.
418 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
420 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
423 2006-06-29 Jason Merrill <jason@redhat.com>
430 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
431 * c-common.c (c_determine_visibility): Handle it here.
432 * c-decl.c (finish_decl): Call c_determine_visibility for
434 * flags.h (enum symbol_visibility): Sort from most to least visibility.
436 * varasm.c (default_assemble_visibility): Likewise.
437 * c-common.c (handle_visibility_attribute): Complain about trying
438 to give visibility to an already defined class, or trying to change
439 declared visibility. Always attach the attribute.
444 * attribs.c (decl_attributes): Ignore type-in-place attributes
445 once the type has been defined.
447 2006-06-29 Roger Sayle <roger@eyesopen.com>
450 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
451 to indicate the cpplib has issued an error message for us.
453 2006-06-29 Asher Langton <langton2@llnl.gov>
456 * config/i386/i386.c (ix86_output_function_epilogue): Don't
457 insert a label at the end of an function under Mach-O.
459 2006-06-29 Eric Christopher <echristo@apple.com>
460 Evan Cheng <evan.cheng@apple.com>
462 * predicates.md (vector_all_ones_operand): New.
463 (nonimmediate_or_sse_const_operand): Ditto.
464 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
465 * config/i386/i386.c (standard_sse_constant_opcode): Define.
466 (standard_sse_mode_p): Ditto.
467 (standard_sse_constant_p): Add case for -1 vector.
468 (ix86_expand_vector_move): Try to use.
469 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
470 Call standard_sse_constant_opcode.
471 (*movv4sf_internal): Ditto.
472 (*movv2df_internal): Ditto.
474 2006-06-29 Roger Sayle <roger@eyesopen.com>
476 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
477 of XEXP to extract the operands of a MATCH_CODE rtx.
479 2006-06-28 Andrew Pinski <pinskia@gmail.com>
481 * tree.c (tree_size): Do not waste tail padding in
482 struct tree_string and make the size be the same as
483 build_string will generate.
485 2006-06-28 Jason Merrill <jason@redhat.com>
488 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
489 may_aliases already in the tag's annotations to the bitmap.
491 2006-06-28 Roger Sayle <roger@eyesopen.com>
493 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
495 2006-06-28 Roger Sayle <roger@eyesopen.com>
497 * genpreds.c (generate_switch_p): New function.
498 (add_mode_tests): Push the new mode test down inside an AND expr
499 if this allows the switch-suitable MATCH_CODE to be near the root.
500 (write_match_code_switch): New function to write a MATCH_CODE as
502 (write_predicate_stmts): New function to write a predicate RTX
503 expression as a sequence of statements.
504 (write_one_predicate_function): Use write_predicate_stmts.
505 (write_tm_constrs_h): Likewise.
507 2006-06-26 Fred Fish <fnf@specifix.com>
509 * config/mips/t-sb1: New file.
510 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
513 2006-06-26 DJ Delorie <dj@redhat.com>
515 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
517 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
518 Jayant Sonar <jayants@kpitcummins.com>
519 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
521 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
522 (subsi3, subsi3_1, subsi3_2): New.
523 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
524 * config/m32c/mov.md (SI mov peephole): New.
525 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
526 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
528 2006-06-26 Olivier Hainque <hainque@adacore.com>
530 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
531 a CALL_EXPR target function declaration.
533 2006-06-26 Richard Guenther <rguenther@suse.de>
535 * tree.c (build_string): Do not waste tail padding in
538 2006-06-26 Richard Guenther <rguenther@suse.de>
540 * ggc-page.c (init_ggc): Add missing element to size_lookup
544 2006-06-23 Richard Guenther <rguenther@suse.de>
546 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
547 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
548 alignment requests instead. Add verification code.
549 Add struct tree_function_decl and struct tree_binfo size to
550 extra_order_size_table. Add missing element to size_lookup
553 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
556 * fold-const.c (const_binop): Be prepared for self returning zero.
557 Simplify code handling complex values.
559 2006-06-24 Olivier Hainque <hainque@adacore.com>
561 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
562 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
565 2006-06-24 Olivier Hainque <hainque@adacore.com>
567 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
568 ARRAY_REF, so have the callback called for the low bound expression.
570 2006-06-23 Janis Johnson <janis187@us.ibm.com>
572 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
573 * c-typeck.c (c_common_type): Disallow operations on decimal float
574 types and other float types.
575 * convert.c (convert_to_real): Don't ignore conversions involving
578 2006-06-23 Olivier Hainque <hainque@adacore.com>
580 * tree.c (max_int_size_in_bytes): New function, inspired from
581 code in function.c:assign_temp.
582 * tree.h (max_int_size_in_bytes): Declare.
583 * function.c (assign_temp): Use it.
584 * gimplify.c (create_tmp_var): Relax the assertions on the type
585 properties, not mandating constant size any more.
586 (force_constant_size): New static function.
587 (gimple_add_tmp_var): Use it, forcing variable size to a
588 constant upper bound if it is not constant on entry.
590 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
593 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
594 for initialization and setting of one_only flag to ...
595 (i386_pe_encode_section_info): ...here.
596 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
597 Recheck that the symbol has not been defined.
599 2006-06-23 Richard Guenther <rguenther@suse.de>
601 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
602 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
603 alignment requests instead. Add verification code.
604 Add struct tree_function_decl and struct tree_binfo size to
605 extra_order_size_table. Add missing element to size_lookup
608 2006-06-22 Roger Sayle <roger@eyesopen.com>
609 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
612 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
613 call to lang_hooks.types.type_for_mode returned NULL_TREE.
615 2006-06-23 Ben Elliston <bje@au.ibm.com>
617 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
618 negate dn -- manipulate it directly.
620 2006-06-22 Roger Sayle <roger@eyesopen.com>
621 Steven Bosscher <stevenb.gcc@gmail.com>
624 * reload1.c (gen_reload): Call mark_jump_label on the new insns
625 generated by gen_move_insn to add REG_LABEL notes if necessary.
627 2006-06-22 Bob Wilson <bob.wilson@acm.org>
629 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
630 (leaf_entry): Remove use of MIN_ESA.
632 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
634 PR rtl-optimization/28121
635 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
638 2006-06-21 DJ Delorie <dj@redhat.com>
640 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
642 (mulhisi3_r): Likewise.
644 2006-06-21 Richard Sandiford <richard@codesourcery.com>
647 * coverage.c (coverage_counter_alloc): Leave the index type
649 (coverage_counter_alloc): Use null arguments for operands 2 and 3
652 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
654 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
655 section from the "Options for Code Generation Conventions".
657 2006-06-21 Richard Henderson <rth@redhat.com>
661 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
663 (global_symbolic_operand): Allow weak symbols, even if local_p.
665 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
667 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
668 (find_interesting_uses_address): Punt if above function returns true.
670 2006-06-21 Richard Guenther <rguenther@suse.de>
672 * configure: Regenerated.
674 2006-06-21 Joseph Myers <joseph@codesourcery.com>
676 * config/mips/mips.c (function_arg): Where one part of a
677 complex argument is in registers and the other part in the stack,
678 return a REG not a PARALLEL.
680 2006-06-21 Mark Mitchell <mark@codesourcery.com>
682 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
683 when cross-compiling. Do not substitute libstdcxx_incdir.
684 * configure: Regenerated.
686 2006-06-21 Jakub Jelinek <jakub@redhat.com>
688 * varasm.c (mergeable_string_section): Check for embedded NULs and
689 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
690 rather than TREE_STRING_LENGTH bytes.
692 2006-06-21 Richard Guenther <rguenther@suse.de>
694 * ggc-page.c (extra_order_size_table): Add var_ann_d,
695 tree_ssa_name, bitmap_element and phi_node with 4 arguments
698 2006-06-21 Richrad Guenther <rguenther@suse.de>
700 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
701 Limit iteration over the dominators.
703 2006-06-20 Roger Sayle <roger@eyesopen.com>
705 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
706 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
708 2006-06-20 Richard Guenther <rguenther@suse.de>
709 Michael Matz <matz@suse.de>
711 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
713 * alloc-pool.c (free_alloc_pool_if_empty): New function.
714 * et-forest.h (et_free_pools): Prototype new function.
715 * et-forest.c (et_free_tree_force): Free parent occurrence.
716 (et_free_pools): New function.
717 * dominance.c (free_dominance_info): Free et-forest alloc
720 2006-06-20 Roger Sayle <roger@eyesopen.com>
722 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
723 integer modes, attempt to directly construct an integer constant.
725 * fold-const.c (native_encode_vector): Determine the size of each
726 element from the vector type instead of the first vector element.
728 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
729 if all of its elements/components are constant.
730 (build_constructor_from_list): Likewise.
732 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
734 PR tree-optimization/27331
735 * tree-data-ref.c (free_data_ref): New function.
736 (create_data_ref): Fail if the data reference has unknown access
738 (free_data_refs): Use free_data_ref.
740 2006-06-19 Andrew Pinski <pinskia@gmail.com>
743 * tree-inline.c (setup_one_parameter): Strip useless
744 type conversion before adding it to the IR.
745 (declare_return_variable): Likewise.
747 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
750 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
752 2006-06-19 Mike Stump <mrs@apple.com>
754 * tree.c (variably_modified_type_p): VM arguments don't make the
757 2006-06-19 Richard Guenther <rguenther@suse.de>
759 * tree-ssa-pre.c (try_combine_conversion): Strip useless
760 type conversions after folding.
762 2006-06-19 Richard Guenther <rguenther@suse.de>
764 * ggc-page.c (extra_order_size_tab): Add entries with
765 size of struct function and basic_block.
766 (size_lookup): Extend to cover sizes up to 511.
767 (ggc_alloc_stat): Adjust user.
768 (ggc_pch_count_object): Likewise.
769 (ggc_pch_alloc_object): Likewise.
770 (ggc_pch_write_object): Likewise.
772 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
774 * tree-ssa-loop-niter.c (implies_ge_p): New function.
775 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
778 2006-06-19 Denis Chertykov <denisc@overta.ru>
780 * config/avr/libgcc.S : Correct my wrong previous commit.
782 2006-06-19 Roger Sayle <roger@eyesopen.com>
785 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
786 have stripped a SUBREG from the shift count, so we may need to
787 convert_to_mode back to the type's mode before calling make_tree.
788 Use new_amount instead of amount to avoid expanding a tree twice.
790 2006-06-19 Richard Guenther <rguenther@suse.de>
793 * fold-const.c (operand_equal_p): Check if the argument types
794 have the same precision before stripping NOPs.
796 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
798 Fix PR tree-optimization/27341
799 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
801 * tree-complex.c (pass_lower_complex): Update SMT usage.
803 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
805 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
806 Add a new alternative to the constraint strings. Add move of
807 operand 1 to 3 to the splitter definition.
808 ("doloop_si_long"): Second contraint alternative removed.
810 2006-06-08 Anatoly Sokolov <aesok@post.ru>
812 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
813 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
815 (AVR_HAVE_MOVW) Define.
816 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
817 (ASM_SPEC): Add avr25.
818 (LINK_SPEC): Add avr25.
819 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
820 (base_arch_s): Add new member 'have_movw_lpmx'.
821 (avr_arch_types): Init 'have_movw_lpmx'.
822 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
823 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
824 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
825 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
826 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
828 (avr_file_start): Do not output '.arh' derective.
829 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
830 (__do_copy_data): Use __AVR_HAVE_LPMX__.
831 * config/avr/avr.md (mcu_enhanced): Delete.
832 (mcu_have_movw): Define.
833 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
834 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
835 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
836 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
837 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
838 attiny861 and at86rf401 devices.
840 2006-06-18 Jie Zhang <jie.zhang@analog.com>
842 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
845 2006-06-17 Karl Berry <karl@gnu.org>
847 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
848 doc/gccint.texi, doc/install.texi (@dircategory): Use
849 "Software development" instead of "Programming", following
850 the Free Software Directory.
852 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
854 * config/i386/i386.c (legitimate_tls_address)
855 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
856 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
857 (*tls_dynamic_gnu2_combine_64): Likewise.
859 2006-06-16 Richard Guenther <rguenther@suse.de>
862 * fold-const.c (negate_expr_p): Do not introduce undefined
863 overflow in negating INTEGER_CSTs.
864 (fold_negate_expr): Rename from negate_expr. Revert last
865 change for folding BIT_NOT_EXPR. Change semantics to
866 return NULL_TREE for non-simplified negations. Do not
867 strip type conversions and unify type handling.
868 (negate_expr): New function, wrap around fold_negate_expr
869 but ensure building a tree always. Strip type conversions
870 here, fold to result type.
871 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
873 2006-06-16 Roger Sayle <roger@eyesopen.com>
876 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
877 that (would) return their results in stack registers.
879 2006-06-16 Michael Matz <matz@suse.de>
880 Richard Guenther <rguenther@suse.de>
882 * fold-const.c (fold_truthop): Only return new tree node if
883 we canonicalized something.
885 2006-06-16 Richard Guenther <rguenther@suse.de>
887 * function.h (enum function_frequency): Move declaration
888 out of struct function.
889 (struct function): Move bool fields and the enum to the bitfield
890 section. Reorder elements to avoid padding. Remove unused
891 fields left over from the RTL inliner removal.
892 * function.c (free_after_compilation): Do not zero removed fields.
893 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
894 (ipa-type-escape.o): Likewise.
896 2006-06-16 Richard Guenther <rguenther@suse.de>
898 * cgraph.h (struct cgraph_local_info): Turn bool elements
900 (struct cgraph_node): Likewise.
901 (struct cgraph_varpool_node): Likewise.
903 2006-06-15 Richard Guenther <rguenther@suse.de>
905 * fold-const.c (fold_truth_not_expr): Rename from
906 invert_truthvalue. Give it fold_* semantics to avoid
908 (invert_truthvalue): New function. Wrapper around
910 (optimize_minmax_comparison): Avoid creating garbage.
911 (fold_unary): Use fold_truth_not_expr for folding
913 (fold_ternary): Replace uses of invert_truthvalue with
914 fold_truth_not_expr where applicable.
915 * tree.h (fold_truth_not_expr): Prototype.
917 2006-06-16 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/27781
920 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
921 * ipa-pure-const.c (target.h): Include.
922 (analyze_function): Do not analyze functions that do not
925 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
928 * tree-dfa.c (referenced_vars_dup_list): Remove.
929 (find_referenced_vars): Remove assert.
930 (referenced_var_check_and_insert): Replace dup list with assert.
931 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
932 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
934 2006-06-15 Richard Guenther <rguenther@suse.de>
936 * tree-ssa-structalias.c (alias_get_name): Avoid creating
937 extra unused identifiers if not dumping.
938 (create_variable_info_for): Likewise.
940 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
942 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
943 (derive_constant_upper_bound): Derive more precise upper bound in
944 common cases. Return type changed to double_int.
945 (record_estimate): Reflect the changed return type of
946 derive_constant_upper_bound.
947 * double-int.c (double_int_zext, double_int_sext): Fix.
949 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
951 * configure.ac (CFLAGS): Get them from the toplevel or from the
952 configure invocation.
953 * configure: Regenerate.
954 * Makefile.in (CFLAGS): Substitute value provided by configure.
956 2006-06-14 Mark Mitchell <mark@codesourcery.com>
959 * c-common.h (c_finish_omp_atomic): Adjust declaration.
960 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
961 rather than calling add_stmt on it.
962 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
964 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
967 * reload1.c (reload): Remove registers returned by update_eliminables
968 from used_spill_regs.
970 2006-06-13 DJ Delorie <dj@redhat.com>
972 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
974 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
976 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
977 html__strip_dir, html__mkdir_p. Enhance install-html target.
978 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
979 * configure: Regenerate.
981 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
983 * fold-const.c (fold_cond_expr_with_comparison): Check for
984 Objective-C++ as language in deciding COND_EXPR transformation.
986 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
989 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
990 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
991 * config/sh/lib1funcs.h (SL, SL1): Define.
992 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
993 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
994 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
995 (OBJS_Os_4_200): New variable.
996 ($(T)libgcc-Os-4-200.a): Use it.
997 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
998 when dividing 1 and/or by 0.
1000 2006-06-13 Roger Sayle <roger@eyesopen.com>
1002 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1003 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1004 * configure: Regenerate.
1006 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1008 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1009 for real instruction.
1011 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1014 * haifa-sched.c (check_cfg): Handle special case.
1016 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1019 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1020 Add debug_info parameter. Chain the vars to the BLOCK instead
1021 of the BIND_EXPR if debug info are requested for them.
1022 (pop_gimplify_context): Adjust for above change.
1023 (gimple_add_tmp_var): Likewise.
1024 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1026 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1027 (convert_local_reference): Likewise.
1028 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1029 (finalize_nesting_tree_1): Request that debug info be emitted
1030 for debug_var_chain.
1032 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1034 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1035 for PR target/27863.
1037 2006-06-13 Richard Guenther <rguenther@suse.de>
1040 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1042 2006-06-13 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/27830
1045 * tree-inline.c (copy_body_r): For copying the operand
1046 of an ADDR_EXPR make sure to fold &* afterwards.
1048 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1050 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1051 lvalues in the fb_none case with side-effects.
1053 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1055 * tree-flow.h: Remove the prototype for
1056 compute_phi_arg_on_exit.
1057 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1058 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1061 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1063 * builtins.c (expand_builtin_return_addr): Only use
1064 frame_pointer_rtx when count == 0 and we are expanding
1065 __builtin_return_address.
1067 2006-06-12 Fred Fish <fnf@specifix.com>
1069 * config/mips/mips.c (mips_file_start): Create special section
1070 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1072 2006-06-11 Eric Christopher <echristo@apple.com>
1075 * stor-layout.c (place_field): Remove check for
1076 remaining_in_alignment when aligning at the end of a run.
1078 2006-06-11 Eric Christopher <echristo@apple.com>
1081 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1084 2006-06-11 Roger Sayle <roger@eyesopen.com>
1087 Revert incorrect fix for PR target/27158
1088 2006-05-08 Roger Sayle <roger@eyesopen.com>
1089 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1090 of a reg_equiv_constant if the result is a legitimate constant.
1092 2006-06-11 Roger Sayle <roger@eyesopen.com>
1095 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1096 extract a CONST_VECTOR element and interpret it as an integer.
1097 (vspltis_constant): Use const_vector_elt_as_int instead of the
1098 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1099 * config/rs6000/predicates.md (easy_vector_const): Consider
1100 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1102 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1105 * stor-layout.c (update_alignment_for_field): Don't add extra
1106 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1109 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1111 * config/mips/t-rtems: Add EL/EB multilib variants.
1113 2006-06-09 Mike Stump <mrs@apple.com>
1115 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1117 2006-06-09 David Daney <ddaney@avtrex.com>
1119 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1121 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1123 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1125 2006-06-09 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/26998
1128 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1129 of signed types, only TYPE_MIN_VALUE is special, but for both,
1130 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1131 in this case, as is -fwrapv.
1133 2006-06-08 Mike Stump <mrs@apple.com>
1136 * config/darwin.c (darwin_asm_output_anchor): Disable
1137 -fsection-anchors on darwin for now.
1138 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1139 * rs6000/rs6000.c (optimization_options): Likewise.
1141 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1144 * config/i386/i386.c (classify_argument): Skip fields with invalid
1147 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1149 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1150 (cse_insn): Likewise for the stack_pointer_rtx.
1152 2006-06-08 Roger Sayle <roger@eyesopen.com>
1154 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1155 conditions from floating point comparisons.
1157 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1160 * expmed.c (struct alg_hash_entry): Fix type of field T
1161 to match synth_mult argument.
1162 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1164 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1167 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1170 2006-06-08 Richard Guenther <rguenther@suse.de>
1173 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1174 only, if overflow is defined and not trapping.
1175 (negate_expr): Likewise.
1177 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1179 PR tree-optimization/27872
1180 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1181 flag on the new exit edge of the unrolled loop.
1183 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1185 PR rtl-optimization/26449
1186 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1188 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1191 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1192 referenced_variables with matching DECL_UID's.
1193 (find_referenced_vars): Make sure duplicate list is empty to start.
1194 (referenced_var_p): Remove.
1195 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1196 Check if var is in the list, and add if needed. Update the duplicate
1197 list if a different var is in the list with the same DECL_UID.
1198 (add_referenced_var): Call routine to check and insert.
1199 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1200 * tree-flow.h (referenced_vars_dup_list): External declaration.
1202 2006-06-07 Fred Fish <fnf@specifix.com>
1204 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1207 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1210 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1211 the imaginary and real parts of a clobbered register.
1212 Emit insn to set the imaginary part.
1214 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1216 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1217 in lieu of unwind-dw2-fde.c.
1219 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1221 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1223 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1226 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1227 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1228 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1229 V4SImode temporaries and operations instead.
1231 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1233 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1236 2006-06-06 Mike Stump <mrs@apple.com>
1238 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1239 installing during build.
1241 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1243 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1245 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1246 * config/ia64/ia64.c (params.h): New header.
1247 (ia64_optimization_options): New function to adjust parameters.
1248 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1249 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1250 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1252 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1254 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1256 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1259 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1261 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1262 Victor Kaplansky <victork@il.ibm.com>
1264 PR tree-optimization/26360
1265 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1268 2006-06-04 Roger Sayle <roger@eyesopen.com>
1269 Andrew Pinski <pinskia@physics.uc.edu>
1272 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1273 for LABEL_DECL before calling DECL_WEAK.
1276 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1277 LABEL_DECL and PARM_DECL.
1279 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1283 * c-decl.c (grokdeclarator): Disallow variably modified types at
1284 file scope. Avoid marking shared array type of constant size as
1287 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1290 * c-common.c (fold_offsetof_1): Handle static members.
1292 2006-06-04 Eric Christopher <echristo@apple.com>
1294 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1295 (debug_rli): Output value for remaining_in_alignment.
1296 (update_alignment_for_field): Unconditionalize
1297 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1298 extra alignment code.
1299 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1300 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1301 * tree.h (record_layout_info_s): Remove prev_packed.
1302 * doc/extend.texi (ms_struct): Add documentation of format.
1304 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1306 * tree.h: Declare folding_initializer.
1307 * builtins.c (fold_builtin_constant_p): Give definite answer
1308 if folding inside an initializer.
1309 * fold-const.c: Define folding_initializer.
1310 (START_FOLD_INIT): Save and then set folding_initializer.
1311 (END_FOLD_INIT): Restore folding_initializer.
1313 2006-06-04 Richard Guenther <rguenther@suse.de>
1315 PR tree-optimization/27039
1316 * fold-const.c (fold_comparison): Handle pointer comparison
1317 again for all comparison codes. Compare offsets in signed
1319 (fold_binary): Move code from here.
1321 2006-06-03 Roger Sayle <roger@eyesopen.com>
1324 * config/i386/i386.c (construct_container): Split static issued_error
1325 flag into issued_sse_arg_error, issued_sse_ret_error and
1326 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1327 requires the use of x87 registers and the user explicitly
1328 specified the -mno-80387 command line option.
1330 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1332 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1333 HAVE_DECL_SIGALTSTACK.
1335 (segv_handler): Use MC_FLD.
1336 * configure.ac: Check for a sigaltstack declaration.
1337 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1338 * configure: Regenerate.
1339 * config.in: Regenerate.
1341 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1344 * Makefile.in (stmp-fixinc): Fix typo.
1346 2006-06-02 Roger Sayle <roger@eyesopen.com>
1348 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1349 are type correct. Clean-up.
1350 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1351 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1353 2006-06-01 DJ Delorie <dj@redhat.com>
1355 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1356 shift, as we've disabled the "switch" insn that needs it.
1358 2006-06-01 Per Bothner <bothner@bothner.com>
1360 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1361 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1362 * c-ppoutput.c (cb_define): Don't increment line 0.
1364 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1366 * doc/invoke.texi: Add cpu_type power6.
1367 * config.gcc: Add cpu_type power6.
1368 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1369 to power5+ with Altivec.
1370 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1371 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1373 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1375 * config/avr/avr.h (SET_ASM_OP): Define.
1377 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1379 * config/bfin/bfin.c: Fix comment typos.
1381 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1384 * doc/install.texi: Document --enable-bootstrap and
1385 --disable-bootstrap.
1387 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1389 * doc/install.texi: Document that InfoZIP can replace jar.
1391 2006-05-31 Roger Sayle <roger@eyesopen.com>
1393 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1394 isn't available, directly generate the simpler x87 patterns without
1395 the (use (const_int 0)).
1396 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1397 implementation isn't available.
1398 (*negdf2_1): Likewise.
1399 (*negxf2_1): XF mode negation is always done using the x87.
1400 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1402 2006-05-31 Roger Sayle <roger@eyesopen.com>
1404 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1405 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1407 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1409 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1411 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1412 * config/bfin/bfin.c (basic-block.h): Include.
1413 (struct machine_function): New.
1414 (bfin_init_machine_status): New.
1415 (override_options): Initialize init_machine_status.
1416 (bfin_hardware_loop): New.
1417 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1418 (DEF_VEC_P (loop_info)): New.
1419 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1420 (struct loop_info): New.
1421 (loop_info): New typedef.
1422 (struct loop_work): New.
1423 (loop_work): New typedef.
1424 (DEF_VEC_O (loop_work)): New.
1425 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1426 (bfin_dump_loops): New.
1427 (bfin_bb_in_loop): New.
1428 (bfin_scan_loop): New.
1429 (bfin_optimize_loop): New.
1430 (bfin_reorg_loops): New.
1431 (bfin_reorg): Use bfin_reorg_loops.
1432 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1434 (I_REGNO_P): Simplify.
1435 (DP_REGNO_P, DPREG_P): New macros.
1436 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1437 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1438 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1439 Add LT_REGS, LC_REGS, LB_REGS.
1440 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1442 (REGNO_REG_CLASS): Deal with loop registers.
1443 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1445 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1446 New constants for loop registers.
1447 (UNSPEC_LSETUP_END): New.
1448 (seq_insns): New define_attr. Set it for appropriate insns.
1449 (movsi_insn): Add alternatives for move from/to
1450 loop count registers.
1451 (doloop_end): New define_expand.
1452 (loop_end): New define_insn.
1453 (define_split for bad doloop_end): New.
1454 (lsetup_with_autoinit): New define_insn.
1455 (lsetup_without_autoinit): New define_insn.
1456 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1457 * config/bfin/predicates.md (lc_register_operand): New.
1458 (lt_register_operand): New.
1459 (lb_register_operand): New.
1460 (nondp_register_operand): New.
1461 (nondp_reg_or_memory_operand): New.
1462 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1464 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1466 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1467 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1469 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1471 * Makefile.in (CATALOGS): Add po/ prefix.
1472 * configure: Regenerated.
1474 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1477 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1478 a shift operand before calling shift_op. Avoid redundant call of
1481 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1482 DJ Delorie <dj@redhat.com>
1484 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1485 we're inserting is a singlt-bit constant.
1487 2006-05-30 Roger Sayle <roger@eyesopen.com>
1489 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1490 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1492 2006-05-30 Roger Sayle <roger@eyesopen.com>
1494 PR tree-optimization/23452
1495 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1496 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1497 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1498 complex values and with -ffast-math for FP complex values.
1500 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1502 * c-common.h: Remove the prototype for yyparse.
1503 * rtl.h: Remove the prototype for init_loop.
1505 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1507 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1510 2006-05-30 Roger Sayle <roger@eyesopen.com>
1512 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1514 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1515 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1517 2006-05-30 Dirk Mueller <dmueller@suse.de>
1520 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1521 for CONSTANT_CLASS_P expresisons.
1523 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1526 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1528 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1530 PR tree-optimization/27779
1531 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1532 initial_condition instead of CHREC_LEFT.
1534 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1536 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1537 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1538 Make prototypes ISO C90.
1540 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1541 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1543 * see.c (see_analyze_one_def): Correct check.
1544 (see_get_extension_data): Check if extension is parallel.
1545 (see_get_extension_reg): Likewise.
1547 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1550 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1551 into register for (code == GTU).
1553 2006-05-29 Roger Sayle <roger@eyesopen.com>
1555 PR tree-optimization/24964
1556 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1557 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1558 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1559 abs(x)*abs(x) as x*x for scalar floating point modes.
1561 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1564 * lambda-code.c (perfect_nestify): Don't copy statements
1565 in the inner loop: move them to the inner loop header.
1567 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1570 * c-tree.texi: Document OpenMP directives and clauses.
1572 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1574 * varasm.c (globalize_decl): Fix indentation.
1576 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1579 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1580 pass_fre, pass_store_ccp, pass_copy_prop,
1581 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1582 pass_return_slot, pass_object_size, pass_lim,
1583 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1584 pass_loop_prefetch and pass_stdarg.
1586 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1588 * config/bfin/bfin.opt (mfdpic): New option.
1589 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1590 (EXTRA_MULTILIB_PARTS): Likewise.
1591 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1592 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1594 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1595 (CRT_CALL_STATIC_FUNCTION): New.
1596 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1598 (CRT_CALL_STATIC_FUNCTION): New.
1599 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1601 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1602 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1603 (initialize_trampoline): Changed to handle FD-PIC code generation.
1604 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1605 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1606 (override_options): Disallow -mid-shared-library -mfdpic combination.
1607 Can't do unaligned ops if FD-PIC.
1608 Turn off flag_pic if trying to generate non-id-shared-library
1609 non-fdpic code, since it's not supported.
1610 (bfin_assemble_integer): New function.
1611 (TARGET_ASM_INTEGER): Define.
1612 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1614 * config/bfin/crtn.s: Restore them.
1615 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1617 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1618 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1619 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1620 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1621 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1623 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1624 FDPIC_REGS and FDPIC_FPTR_REGS.
1625 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1626 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1627 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1628 (load_funcdescsi): New pattern.
1629 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1630 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1631 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1633 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1635 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1638 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1640 * tree-flow.h: Remove the prototype for add_type_alias.
1641 * tree-ssa-alias.c (add_type_alias): Remove.
1643 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1645 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1646 config/fr30/fr30.md, config/i386/i386-interix.h,
1647 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1648 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1649 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1650 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1651 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1652 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1653 Follow spelling conventions.
1654 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1655 Follow spelling conventions.
1657 2006-05-27 Richard Guenther <rguenther@suse.de>
1660 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1661 to produce a constant of value 1 of generic type.
1663 2006-05-27 Dirk Mueller <dmueller@suse.de>
1665 * cgraphunit.c (decide_is_function_needed): Fix wrong
1668 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1670 PR rtl-optimization/27661
1671 * reload.c (find_reloads): When reloading a VOIDmode constant
1672 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1673 use Pmode as mode of the reload register.
1675 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1677 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1678 is enabled at -O and above.
1680 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1683 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1686 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1689 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1690 for anonymous variables explicitly declared by front ends.
1692 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1694 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1695 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1696 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1697 ref-all pointers, run a finalization pass for them.
1698 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1699 (finalize_ref_all_pointers): New function.
1700 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1701 regular pointer type to a ref-all pointer type.
1702 (get_tmt_for): Return the special memory tag for ref-all pointers.
1704 2006-05-25 Richard Guenther <rguenther@suse.de>
1707 * fold-const.c (fold_binary): Do not look at the stripped
1708 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1710 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1712 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1713 for LT and GT if the computed range is effectively empty.
1715 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1718 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1719 mips_quad_format formats instead of ieee_single_format,
1720 ieee_double_format and ieee_quad_format formats, respectively.
1722 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1724 PR tree-optimization/27639
1725 PR tree-optimization/26719
1726 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1727 call to scev_probably_wraps_p.
1728 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1729 used_in_pointer_arithmetic_p, convert_step): Removed.
1730 (nowrap_type_p): New function.
1731 (scev_probably_wraps_p): Rewritten.
1732 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1733 chrec_convert if chrec_convert_aggressive might have been used.
1734 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1735 scev_direction): New functions.
1736 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1737 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1738 instead of convert_step.
1739 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1740 (convert_step): Declaration removed.
1741 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1743 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1745 * df-core.c: Added to header comments.
1746 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1747 df_ur_bb_info, df_urec_bb_info): Added comments.
1748 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1749 urec, ri problems): Fixed header comments.
1750 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1751 code from df_rd_transfer_function.
1753 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1755 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1756 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1757 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1759 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1761 * expr.c (undefined_operand_subword_p): New.
1762 (emit_move_multi_word): Do not generate move from undefined bits
1763 of a paradoxical subreg.
1765 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1767 PR rtl-optimization/27736
1768 * combine.c (replaced_rhs_value): New variable.
1769 (combine_instructions): Set it.
1770 (distribute_notes): When distributing a note in replaced_rhs_insn,
1771 check whether the value was used in replaced_rhs_value.
1773 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1776 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1777 add_referenced_var instead of add_referenced_tmp_var.
1778 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1779 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1781 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1782 tree_optimize_tail_calls_1): Use add_referenced_var.
1783 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1784 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1785 Use add_referenced_var.
1786 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1787 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1788 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1789 Use add_referenced_var.
1790 * tree-dfa.c (struct walk_state): Remove.
1791 (find_referenced_vars): Remove walk state and vars_found hash table.
1792 (make_rename_temp): Use add_referenced_var.
1793 (find_vars_r): Pass less parameters to add_referenced_var.
1794 (referenced_var_p): New. Is var in referenced_var hash table.
1795 (referenced_var_insert): Assert var isn't already in hash table.
1796 (add_referenced_var): Don't need walk_state parameter. Add var if it
1797 isn't already in the hash table.
1798 (add_referenced_tmp_var): Remove.
1799 (find_new_referenced_vars_1): Use add_referenced_var.
1800 * tree-ssa-pre.c (create_expression_by_pieces,
1801 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1802 Use add_referenced_var.
1803 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1804 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1805 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1807 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1808 vect_create_data_ref_ptr, vect_create_destination_var,
1809 vect_init_vector, vect_build_loop_niters,
1810 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1811 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1812 Use add_referenced_var.
1813 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1814 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1815 (add_referenced_var): Add prototype.
1816 * tree-ssa-structalias.c (get_constraint_for,
1817 intra_create_variable_infos): Use add_referenced_var.
1819 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1821 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1822 big-endian paradoxical subregs.
1823 * var-tracking.c (struct micro_operation_def): Document that,
1824 for modify micro operations, insn is the subsequent instruction.
1825 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1826 (var_reg_set, var_mem_set): ... new functions.
1827 (add_stores): Record subsequent insn.
1828 (compute_bb_dataflow): Use new functions for MO_USE.
1829 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1830 notes after the insn, and modify notes before the insn known
1831 to be the subsequent one.
1832 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1834 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1837 * config/i386/i386.c (ix86_expand_builtin): Use
1838 gen_sse3_monitor64 for TARGET_64BIT.
1840 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1842 PR rtl-optimization/26375
1843 PR rtl-optimization/26855
1844 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1846 (df_ru_bb_local_compute): Reversed statements and removed bogus
1847 comment explaining why they should be in wrong order.
1848 (df_ru_dump, df_rd_dump): Enhanced debug info.
1849 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1851 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1852 reaching uses and fixed space problem.
1854 2006-05-23 Jan Hubicka <jh@suse.cz>
1856 * cgraphunit.c (decide_is_function_needed): Also nested functions
1857 and functions declared inline can be optimized out at -O0.
1859 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1861 * doc/install.texi (Configuration): Remove reference to CrossGCC
1865 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1868 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1869 ix86_compare_emitted is non-NULL.
1871 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1874 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1877 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1879 PR rtl-optimization/25514
1880 * combine.c (replaced_rhs_insn): New variable.
1881 (combine_instructions): Set replaced_rhs_insn when trying to replace
1882 a SET_SRC with a REG_EQUAL note.
1883 (distribute_notes): Use replaced_rhs_insn when determining the live
1884 range of a REG_DEAD register.
1886 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1887 Anatoly Sokolov <aesok@post.ru>
1889 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1890 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1891 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1892 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1893 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1894 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1895 at90usb647, at90usb1286 and at90usb1287 devices.
1896 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1897 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1899 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1901 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1903 2006-05-22 Richard Guenther <rguenther@suse.de>
1906 2006-01-31 Richard Guenther <rguenther@suse.de>
1907 Paolo Bonzini <bonzini@gnu.org>
1909 * doc/install.texi (--disable-libgcc-math): Document.
1911 2006-05-22 Richard Guenther <rguenther@suse.de>
1914 2006-01-31 Richard Guenther <rguenther@suse.de>
1916 * doc/invoke.texi (-msselibm): Document.
1917 * target.h (expand_library_builtin): New target hook.
1918 * builtins.c (expand_builtin): Use expand_library_builtin.
1919 (default_expand_library_builtin): New function.
1920 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1921 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1922 (link_gcc_math_spec): Declare.
1923 (static_specs): Add link_gcc_math_spec.
1924 * expr.h (default_expand_library_builtin): Declare.
1925 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1926 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1927 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1928 * config/i386/i386.opt (msselibm): New target option.
1929 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1930 (ix86_init_sse_abi_builtins): New function.
1931 (ix86_expand_library_builtin): Likewise.
1932 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1933 (override_options): Handle error conditions wrt -msselibm.
1934 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1935 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1936 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1939 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1942 * c-common.c (self_promoting_args_p): Skip erroneous args.
1945 * c-decl.c (finish_struct): Skip erroneous fields.
1947 2006-05-22 Nick Clifton <nickc@redhat.com>
1949 * config/cris/cris.opt (march): Remove VarExists attribute.
1950 (max-stackframe=): Likewise.
1952 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1954 * doc/rtl.texi: Fix a typo.
1955 * see.c: Fix comment typos.
1957 * tree-ssa-structalias.h (alias_info): Remove num_references.
1959 2006-05-21 Mike Stump <mrs@apple.com>
1961 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1963 (darwin_pragma_options): Use BAD instead.
1964 (darwin_pragma_unused): Likewise.
1965 (darwin_pragma_ms_struct): Likewise.
1967 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1969 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1971 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1973 PR rtl-optimization/27671
1974 * simplify-rtx.c (simplify_relational_operation_1): Fix
1975 simplifications of (eq/ne (xor x y) y) and
1976 (eq/ne (xor x y) x).
1978 PR tree-optimization/26622.
1979 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1982 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1984 * tree-cfg.c: Prune whitespace.
1985 (debug_tree_cfg): Point to correct header containing the
1988 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1991 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1993 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1996 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1997 or sorry count is non zero.
1999 2006-05-20 Andreas Schwab <schwab@suse.de>
2001 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2003 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2004 Kenneth Zadeck <zadeck@naturalbridge.com>
2006 PR rtl-optimization/26855
2008 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2010 (df_scan_alloc): Added code to properly handle multiword hard
2011 registers and add all_blocks parameter.
2012 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2013 code to properly handle multiword hard registers.
2014 (df_rescan_blocks): Added code to remove deleted blocks from
2016 (df_ref_create_structure, df_ref_record): Added code to properly
2018 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2019 and set DF_REF_PARTIAL.
2020 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2021 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2022 (df_scan_add_problem): Added flags parameter.
2023 (df_ref_create_structure): Changed switching structure.
2024 (df_bb_refs_record): Fixed case where duplicate artificial refs
2025 were created. Changed location of flags.
2026 (df_record_entry_block_defs): Added code to make stack pointer
2027 live in entry block. Refined cases where frame pointer is needed.
2028 Changed location of flags.
2029 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2030 (df_set_state): Removed function.
2031 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2032 df_insn_create_insn_record, df_insn_refs_delete,
2033 df_ref_create_structure): Formatting changes.
2034 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2035 df_delete_basic_block): New function.
2036 (df_init): Changed location of flags.
2037 (df_add_problem): Added flags parameter and the way flags are
2039 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2040 debug_df_chain): Improved debugging output.
2041 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2042 (df_refs_chain_dump): Removed df parameter.
2043 (df_iterative_dataflow): Added consistency check.
2044 (df_prune_to_subcfg): Made public.
2045 (df_analyze_problem): Added blocks_to_init parameter and made
2047 (df_ref_record, df_bb_refs_record, df_mark_reg,
2048 df_record_exit_block_uses): Whitespace changes.
2049 (df_dump): Whitespace changes.
2050 * df.h: Some reordering to remove forward references.
2051 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2052 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2053 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2054 (dataflow.flags): New field.
2055 (df.flag): Deleted field.
2056 (df_alloc_function): Added additional bitmap parameter.
2057 (df_dependent_problem_function): New type.
2058 (df_problem.changeable_flags): New field.
2059 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2060 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2061 (df_mw_hardreg): New struct.
2062 (DF_INSN_UID_MWS): New macro.
2063 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2065 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2066 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2067 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2068 (df_set_state): Removed function.
2069 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2070 * df-problems.c (df_chain_dump): Removed df parameter.
2071 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2072 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2074 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2075 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2076 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2077 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2078 DF_REF_MUST_CLOBBER cases.
2079 (df_ru_bb_local_compute_process_def,
2080 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2081 df_lr_bb_local_compute, df_ur_bb_local_compute,
2082 df_chain_create_bb): Made subreg aware.
2083 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2084 df_lr_bb_local_compute, df_lr_bb_local_compute,
2085 df_chain_create_bb): Cleanup to use proper macros.
2086 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2087 code to fixup bitvectors.
2088 (df_ri_alloc): Cleared lifetime.
2089 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2090 df_create_unused_note): New function.
2091 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2092 REG_DEAD and REG_UNUSED notes as well as register information.
2093 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2094 df_chains_dump): Fixed crash if problem was never run.
2095 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2096 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2097 df_ri_add_problem): Processes flags in uniform manner.
2098 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2099 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2100 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2101 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2102 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2103 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2104 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2105 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2106 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2107 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2108 * see.c (see_initialize_data): Ditto.
2109 * final.c (rest_of_clean_state) Added regstack_completed.
2110 * rtl.h (regstack_completed): Ditto.
2111 * reg-stack.c (regstack_completed): Ditto.
2113 2006-05-19 Mike Stump <mrs@apple.com>
2115 * c-tree.h (default_conversion): Remove.
2116 * c-common.h (default_conversion): Add.
2118 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2120 * tree-vrp.c (valid_value_p): New function.
2121 (adjust_range_with_scev): Fail if the value of bound is not
2124 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2126 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2127 (mips_fallback_frame_state): Use syscall numbers to determine
2128 the appropriate li instruction for the current ABI. Only use
2129 __NR_sigreturn for o32.
2131 2006-05-19 Nicolas Setton <setton@adacore.com>
2133 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2134 * langhooks.c (lhd_dwarf_name): New function.
2135 * langhooks-def.h (lhd_dwarf_name): Declare.
2136 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2137 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2138 * ada/misc.c (gnat_dwarf_name): New function.
2139 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2141 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2143 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2145 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2146 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2147 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2148 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2149 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2150 determine the size of Wtype, etc.
2151 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2152 (swfloatfuncs): New variable.
2153 (dwfloatfuncs): Likewise.
2154 (lib2funcs): Remove floating-point conversion functions from
2155 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2156 the set of conversion routines needed. Allow entries to specify
2157 an object name, filename and word size. Update users accordingly.
2158 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2159 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2163 2006-02-08 Roger Sayle <roger@eyesopen.com>
2166 * config/fixtfdi.c: New libgcc source file.
2167 * config/fixunstfdi.c: New source file.
2168 * config/floatditf.c: New source file.
2169 * config/floatunditf.c: New souce file.
2170 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2171 files above instead of config/mips/_tilib.c.
2172 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2174 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2176 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2177 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2179 2006-05-18 Mike Stump <mrs@apple.com>
2181 Fix up vla, vm and [*] sematics.
2187 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2188 (c_vla_unspec_p): Add.
2189 (c_vla_type_p): Add.
2190 * c-decl.c (struct c_scope): Add had_vla_unspec.
2191 (build_array_declarator): Add support for [*].
2192 (grokdeclarator): Likewise.
2193 (grokparms): Likewise.
2194 (get_parm_info): Likewise.
2195 * c-objc-common.c (c_vla_unspec_p): Likewise.
2196 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2197 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2198 typeof when argument is a variably modified type not inside sizeof or alignof.
2199 (c_parser_direct_declarator_inner): Propagate errors.
2200 (c_parser_sizeof_expression): Add support for [*].
2201 (c_parser_parms_declarator): Initialize had_vla_unspec.
2202 (c_parser_parms_list_declarator): Likewise.
2203 * c-typeck.c (c_vla_type_p): Add.
2204 (composite_type): Add support for vla compositing.
2205 (comptypes_internal): Add support for vla compatibility.
2206 (c_expr_sizeof_expr): Evaluate vla arguments.
2207 * tree.c (variably_modified_type_p): Update comment for [*].
2209 2006-05-18 Michael Matz <matz@suse.de>
2212 * config.host: Make assignments to host_xmake_file cumulative.
2213 * config.host (*-darwin*): Test $host, not $target.
2215 2006-05-12 Stuart Hastings <stuart@apple.com>
2217 * config/i386/i386.opt (-mstackrealign): New flag.
2218 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2219 (ix86_handle_cconv_attribute): Emit error when
2220 force_align_arg_pointer attribute collides with too many regparms.
2221 (ix86_function_regparm): Limit regparms when used with
2222 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2223 Support stack-realigning prologue in non-main functions. Emit
2224 warning for nested functions under -mstackrealign, emit error for
2225 nested functions with force_align_arg_pointer attribute.
2226 * doc/extend.texi (force_align_arg_pointer): Document it.
2227 * doc/invoke.texi (-mstackrealign): Document it.
2229 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2231 PR rtl-optimization/27477
2232 * combine.c (try_combine): Don't split a parallel consisting
2233 of two sets into two individual sets if both sets reference
2236 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2238 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2239 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2241 * doc/options.texi (VarExists): Updated.
2243 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2245 * unwind-dw2.c: Add declarations for uw_update_context and
2247 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2248 detected, advance frame state and context once to skip over stub.
2250 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2254 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2255 Call rewrite_into_loop_closed_ssa only when something changed.
2256 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2257 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2258 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2259 Test for perfect_nest_p here. Fix formating.
2260 (replace_uses_equiv_to_x_with_y): Fix formating.
2261 (stmt_uses_op): Removed.
2262 (can_convert_to_perfect_nest): Removed loopivs parameter.
2263 Complete the test by checking the scalar dependences.
2264 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2267 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2270 From Dan Kegel <dank@kegel.com>:
2271 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2273 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2275 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2276 if the element type is variably modified without recursing.
2278 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2281 * tree-loop-linear.c (try_interchange_loops): Test for
2282 no data dependences.
2284 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2286 PR tree-optimization/27548
2287 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2288 range of ssa names that appear on abnormal edges.
2289 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2290 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2292 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2295 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2297 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2300 * tree.h (OMP_PARALLEL_COMBINED): Define.
2301 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2302 (new_omp_context): Add is_combined_parallel argument.
2303 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2304 new_omp_context caller.
2305 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2306 Adjust gimplify_scan_omp_clauses callers.
2307 (omp_is_private): Issue errors if iteration variable is firstprivate
2308 or reduction in the current context.
2309 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2310 on combined parallel workshare constructs.
2312 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2314 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2315 (gcc-options.o): New rule.
2317 * optc-gen.awk: Protect variables for gcc-options.o with
2318 #ifdef GCC_DRIVER/#endif.
2320 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2322 Fix PR tree-optimization/27373
2323 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2324 (forward_propagate_addr_expr): Update call.
2326 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2328 * doc/options.texi: Move the Negative option.
2330 2006-05-16 Richard Guenther <rguenther@suse.de>
2332 PR tree-optimization/22303
2333 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2335 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2336 ccp_fold did not simplify the statement.
2338 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2341 * Makefile.in (GCC_OBJS): New.
2342 (OBJS-common): Add opts-common.o.
2343 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2344 (cpp$(exeext)): Likewise.
2345 (gcc.o): Also depend on opts.h.
2346 (opts-common.o): New.
2348 * common.opt (gcoff): Add Negative(gdwarf-2).
2349 (gdwarf-2): Add Negative(gstabs).
2350 (gstabs): Add Negative(gstabs+).
2351 (gstabs+): Add Negative(gvms).
2352 (gvms): Add Negative(gxcoff).
2353 (gxcoff): Add Negative(gxcoff+).
2354 (gxcoff+): Add Negative(gcoff).
2355 * config/i386/i386.opt (m32): Add Negative(m64).
2356 (m64): Add Negative(m32).
2358 * doc/options.texi: Document the Negative option.
2360 * gcc.c: Include "opts.h".
2361 (main): Call prune_options after expandargv.
2363 * optc-gen.awk: Generate common declarations for all flag
2364 variables in options.c. Output the neg_index field.
2366 * opts.c (find_opt): Moved to ...
2367 * opts-common.c: Here. New file.
2369 * opts.h (cl_option): Add a neg_index field.
2371 (prune_options): Likewise.
2373 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2376 * omp-low.c (expand_omp_parallel): Don't assert
2377 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2378 instead search for it.
2381 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2384 2006-05-16 Andreas Schwab <schwab@suse.de>
2386 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2389 2006-05-15 Roger Sayle <roger@eyesopen.com>
2392 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2393 integer constants other than zero are only legitimate on TARGET_64BIT.
2394 <CONST_VECTOR> Only zero vectors are legitimate.
2395 (ix86_cannot_force_const_mem): Integral and vector constants can
2396 always be put in the constant pool.
2398 2006-05-16 DJ Delorie <dj@redhat.com>
2400 * crtstuff.c (__dso_handle): Set section from
2401 TARGET_LBIGCC_SDATA_SECTION if defined.
2402 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2403 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2405 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2408 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2411 2006-05-16 Ben Elliston <bje@au.ibm.com>
2413 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2415 2006-05-15 Per Bothner <per@bothner.com>
2417 * tree.c: (last_annotated_node): Use source_locus typedef.
2418 This permits bootstrapping with --enable-mapped-location.
2420 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2422 PR tree-optimization/26830
2423 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2424 (info_for_ssa_name, current_info_for_ssa_name_age,
2425 blocks_to_update): New variables.
2426 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2427 (clear_ssa_name_info, initialize_flags_in_bb,
2428 mark_block_for_update): New functions.
2429 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2430 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2431 prepare_def_site_for): Use mark_block_for_update.
2432 (mark_def_interesting): Assert that the processed block is marked in
2433 blocks_to_update. Do not take blocks argument.
2434 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2436 (rewrite_update_init_block, rewrite_update_stmt): Only process
2437 blocks with statements to rewrite.
2438 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2439 (update_ssa): Initialize and free blocks_to_update. Do not
2440 clear flags on statements. Do not use blocks bitmap.
2441 * tree.h (SSA_NAME_AUX): Removed.
2442 (struct tree_ssa_name): Removed aux field.
2443 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2445 2006-05-15 Richard Guenther <rguenther@suse.de>
2447 PR tree-optimization/27603
2448 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2449 Do computations in original type.
2451 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2453 * see.c: Code style changes such as redundant paranthesis,
2454 redundant intialization of local variables etc.
2455 (see_main): Declared now as static.
2456 * doc/invoke.texi: Update that -fsee is not enabled by
2459 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2461 * omp-low.c (check_omp_nesting_restrictions): New function.
2462 (scan_omp_1): Call it.
2465 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2466 construct, return *VAR.
2468 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2470 PR rtl-optimization/27406
2471 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2474 2006-05-14 Roger Sayle <roger@eyesopen.com>
2476 PR rtl-optimization/27538
2477 * combine.c (expand_compound_operation): Call gen_lowpart
2478 before calling simplify_shift_const.
2480 2006-05-14 Roger Sayle <roger@eyesopen.com>
2482 PR rtl-optimization/22563
2483 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2484 a fixed width bitfield, always force the intermediates into psuedos.
2486 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2489 * mkconfig.sh: Use operator = instead of == for test.
2491 2006-05-13 Nick Clifton <nickc@redhat.com>
2493 * dwarf2out.c (dbx_reg_number): Check return value from
2494 LEAF_REG_REMAP and only use it if it is valid.
2495 (multiple_reg_loc_descriptor): Likewise.
2497 2006-05-13 Richard Guenther <rguenther@suse.de>
2499 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2502 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2504 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2505 information attached to non-INSNs such as NOTEs.
2506 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2508 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2510 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2512 * config/s390/s390.md: Adjust comment describing On constraint.
2514 2006-05-11 Jan Hubicka <jh@suse.cz>
2516 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2517 to be output at -O0.
2519 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2522 * fold-const.c (size_binop): Move sanity check for arguments to
2523 the beginning of the function.
2526 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2529 2006-05-11 Richard Guenther <rguenther@suse.de>
2532 * fold-const.c (fold_unary): Handle intermediate conversion
2533 to a pointer type like intermediate conversion to an integer
2534 type in folding of (T1)(T2)var to var.
2535 Match the code to the comment in the final conversion for
2536 (T1)(T2)var to (T1)var regarding to type precision. Rather
2537 than disallow T1 being of pointer type, assert that both T1
2538 and var are of pointer type or not. Make sure not to fall
2539 over the frontends lazyness wrt array to pointer decay though.
2541 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2543 * arm.c (arm_struct_value_rtx): Delete.
2544 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2545 (arm_init_cumulative_args): Always initialize nregs to zero.
2547 2006-05-10 Richard Guenther <rguenther@suse.de>
2549 PR tree-optimization/27532
2550 * tree-object-size.c (plus_expr_object_size): Fix typo.
2552 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2555 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2556 ashrdi_const, ashrdi3): Use a scratch register.
2558 2006-05-10 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/27302
2561 * fold-const.c (operand_equal_p): For two comparisons,
2562 try comparison of one comparison code swapped if that yields
2565 2006-05-10 Ben Elliston <bje@au.ibm.com>
2567 * tree-pretty-print.c (pretty_print_string): No need to handle
2568 '\0' as a special character.
2570 * tree.h: Include "hashtab.h".
2571 (iterative_hash_expr): Use hashval_t in its prototype.
2572 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2574 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2577 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2578 (hppa*64*-*-hpux11*): Ditto.
2579 (hppa[12]*-*-hpux11*): Ditto.
2581 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2584 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2586 2006-05-09 Michael Matz <matz@suse.de>
2588 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2589 host_extra_gcc_objs and host_xmake_file.
2590 (<*-*-linux*>): Don't overwrite host_xmake_file.
2591 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2592 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2593 (host_detect_local_cpu): Declare.
2594 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2595 * config/i386/i386.c (override_options): Handle -mtune=native
2597 * config/i386/x-i386: New file.
2598 * config/i386/driver-i386.c: New file.
2599 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2602 2006-05-09 Dirk Mueller <dmueller@suse.de>
2603 Richard Guenther <rguenther@suse.de>
2606 * fold-const.c (fold_read_from_constant_string): Relax check
2607 for matching types to matching modes.
2609 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2611 PR rtl-optimization/27335
2612 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2615 2006-05-08 Chao-ying Fu <fu@mips.com>
2616 Richard Sandiford <richard@codesourcery.com>
2618 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2619 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2620 * config/mips/mips.md (UNSPEC_SCC): New constant.
2621 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2622 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2623 (mips_emit_compare): Use it.
2624 (mips_expand_vcondv2sf): New function.
2626 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2628 Fix PR tree-optimization/27093
2629 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2630 renaming when they become not-used_alone.
2632 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2634 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2635 relocation and relocation stubs.
2637 2006-05-08 Eric Christopher <echristo@apple.com>
2639 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2642 2006-05-08 Jan Hubicka <jh@suse.cz>
2645 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2646 unused static functions are needed.
2648 2006-05-08 Roger Sayle <roger@eyesopen.com>
2651 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2652 of a reg_equiv_constant if the result is a legitimate constant.
2654 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2657 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2658 standard 80387 constants, raise the cost to prevent
2659 compress_float_constant() to generate load from memory.
2661 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2663 * config/arm/constraints.md (c): Fix a typo.
2665 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2668 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2671 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2673 (_mm_mwait): Likewise.
2675 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2677 (sse3_monitor): Make it 32bit only.
2678 (sse3_monitor64): New. 64bit monitor.
2680 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2683 * config/i386/i386.c (classify_argument): Skip fields with invalid
2686 2006-05-07 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/27409
2689 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2690 Do not try to find zero-sized subvars.
2692 2006-05-07 Richard Guenther <rguenther@suse.de>
2694 PR tree-optimization/27136
2695 * tree-ssa-loop-niter.c (get_val_for): Correct function
2696 comment, assert requirements.
2697 (loop_niter_by_eval): Stop processing if the iterated
2698 value did not simplify.
2700 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2702 * opts.c (flag_see): remove its setting at -O3.
2704 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2706 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2707 * arm/constraints.md: New file.
2708 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2709 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2710 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2711 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2712 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2713 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2714 * arm.md: Include constraints.md.
2715 (thumb_movsi_insn): Use satisfies_constraint_J.
2716 (movhi, movqi): Use satisfies_constraint_I.
2718 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2720 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2721 for atmeg a645 device.
2723 2006-05-06 Richard Guenther <rguenther@suse.de>
2725 PR tree-optimization/27151
2726 * tree-vect-transform.c (vectorizable_condition): Punt on
2727 values that have a different type than the condition.
2729 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2732 * c-parser.c (c_parser_cast_expression): Only insert casts into
2733 hash table if pointer.
2734 * function.c (used_types_insert_helper): Rename from
2736 (used_types_insert): Call used_types_insert_helper.
2737 * function.h (used_types_insert): Accept only one argument.
2739 2006-05-05 David Edelsohn <edesohn@gnu.org>
2741 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2742 scratch with output modifier.
2744 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2747 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2748 with output modifier.
2750 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2753 * config/mips/mips.c (mips_symbolic_address_p): Return true
2754 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2755 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2757 2006-05-04 Richard Guenther <rguenther@suse.de>
2759 PR tree-optimization/14287
2760 PR tree-optimization/14844
2761 PR tree-optimization/19792
2762 PR tree-optimization/21608
2763 PR tree-optimization/27090
2764 * tree-ssa-pre.c (try_combine_conversion): New function.
2765 (compute_avail): After constructing the value-handle
2766 expression, use try_combine_conversion to combine NOP_EXPRs
2767 with previous value-handle expressions and use the result if it
2770 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2772 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2774 2006-05-04 Jan Hubicka <jh@suse.cz>
2777 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2779 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2781 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2782 that this only matches CONST_INTs. All users changed to VOIDmode
2785 * config/bfin/bfin.c: Include "optabs.h".
2786 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2788 (enum bfin_builtins): Add a number of fractional and vector builtins.
2789 (bfin_init_builtins): Likewise.
2790 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2791 (safe_vector_operand, bfin_expand_binop_builtin,
2792 bfin_expand_unop_builtin): New functions.
2793 (bfin_expand_builtin): Handle the new builtins.
2794 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2797 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2800 * Makefile.in (OBJS-common): Add see.o.
2801 (see.o): Add dependencies.
2802 * common.opt (fsee): New flag for the see optimization was added.
2803 * opts.c (flag_see): Initialized.
2804 * passes.c (init_optimization_passes, pass_see): New pass.
2805 * rtl.h (see_main): Declaration as extern.
2806 * timevar.def (TV_SEE): New.
2807 * tree-pass.h (pass_see): Declaration as extern.
2808 * invoke.texi (-fsee): Document.
2809 * recog.c (validate_simplify_insn): New function.
2810 * recog.h (validate_simplify_insn): Declaration as extern.
2811 * df-problems.c (df_chain_dump): Check for NULL.
2813 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2814 Daniel Berlin <dberlin@dberlin.org>
2816 * cfgrtl.c (insert_insn_bb_end_new): New function.
2817 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2819 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2821 * df.h (struct web_entry): Moved from web.c.
2822 (union_defs): Declaration as extern.
2823 (unionfind_root): Likewise.
2824 (unionfind_union): Likewise.
2825 * web.c (struct web_entry): Moved to df.h.
2826 (unionfind_root): Remove static declaration.
2827 (unionfind_union): Likewise.
2828 (union_defs): Likewise and generalize to use callback function.
2829 (web_main): Update arguments for union_defs function call.
2831 2006-05-04 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/26447
2834 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2835 produce SSA_NAME copies before the store stmt to avoid
2836 breaking exception handling.
2838 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2841 * gimplify.c (omp_is_private): If var is shared in some outer context,
2842 return false instead of true. Stop searching on parallel context
2845 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2848 * coverage.c: Use get_gcov_unsigned_t() instead of
2849 unsigned_type_node all over.
2851 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2853 PR tree-optimization/27381
2854 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2855 maintain the same immediate_use links.
2856 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2857 node rather than segfaulting.
2859 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2862 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2863 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2864 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2866 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2868 Fix PR tree-optimization/26626
2869 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2871 * tree-ssa-operands.c (access_can_touch_variable): Allow
2872 typecasting through union pointers.
2874 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2877 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2878 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2879 to find if var will be a global variable even in the nested context.
2880 (omp_copy_decl): Only check for global variable at the end, it might
2881 be overridden in outer contexts.
2882 (scan_sharing_clauses): For global variables don't create a field.
2883 (lower_rec_input_clauses): Do nothing for global shared variables.
2884 Emit a barrier at the end of ILIST if there were any decls in both
2885 firstprivate and lastprivate clauses.
2886 (lower_send_clauses): Do nothing for global variables except for
2889 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2891 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2892 of the correct signedness is returned.
2894 2006-05-02 Jeff Law <law@redhat.com>
2896 PR tree-optimization/27364
2897 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2898 multiply expressions.
2900 2006-05-02 Tom Tromey <tromey@redhat.com>
2902 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2904 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2907 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2908 -mthumb -fPIC are used.
2910 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2911 Joshua Kinard <kumba@gentoo.org>
2914 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2915 with 64-bit pointers.
2917 2006-05-02 Paul Brook <paul@codesourcery.com>
2919 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2921 (create_fix_barrier): Check that a suitable barrier location is
2923 (arm_reorg): Include ftmp->address in allowable range of addresses.
2925 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2928 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2931 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2934 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2935 around RESULT_DECL for result passed by reference.
2936 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2937 * omp-low.c (use_pointer_for_field): Don't look at
2938 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2939 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2940 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2941 time or var for passing by reference for
2942 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2943 TREE_ADDRESSABLE variables when passing by reference.
2945 * omp-low.c (dump_omp_region): Fix output formatting.
2948 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2949 (expand_omp_parallel): Likewise.
2950 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2953 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2954 on statement list containing also constructors and destructors.
2955 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2958 * except.c (duplicate_eh_regions): Fix clearing of
2959 cfun->eh->region_array entries.
2961 2006-05-01 DJ Delorie <dj@redhat.com>
2963 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2965 (gcc_cv_objdump): Likewise.
2966 * configure: Regenerated.
2968 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2971 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2972 templates for case 3 and 4.
2974 2006-05-01 DJ Delorie <dj@redhat.com>
2976 * vec.c: Include bconfig.h when appropriate.
2977 * Makefile.in (build/vec.o): Adjust dependencies.
2978 * mkconfig.sh: Make sure config.h isn't used for build machine
2981 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2983 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2985 (mark_phi_for_rewrite): New function.
2986 (insert_phi_nodes_for, mark_use_interesting): Call
2987 mark_phi_for_rewrite.
2988 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2989 (update_ssa): Initialize and free phis_to_rewrite.
2991 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2993 PR rtl-optimization/27291
2994 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2995 folded to a constant.
2997 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2999 PR tree-optimization/27283
3000 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3001 not whole # of iteration descriptions.
3002 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3003 uses abnormal ssa name.
3004 (niter_for_single_dom_exit): Ditto.
3005 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3006 return just the number of iterations.
3008 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3010 PR tree-optimization/27144
3011 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3012 (record_estimate): Only record constant upper bound.
3013 (infer_loop_bounds_from_undefined): Call
3014 compute_estimated_nb_iterations just once.
3015 (proved_non_wrapping_p): Renamed to ...
3016 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3017 (convert_step_widening, scev_probably_wraps_p): Call
3018 n_of_executions_at_most instead of proved_non_wrapping_p.
3019 (substitute_in_loop_info): Do not replace values in bounds.
3020 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3023 2006-05-01 Richard Henderson <rth@redhat.com>
3026 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3027 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3030 2006-05-01 Roger Sayle <roger@eyesopen.com>
3032 * c-typeck.c (parser_build_binary_op): Don't call the function
3033 unsigned_conversion_warning to spot operand/result type overflow.
3034 (build_binary_op): Instead, call convert_and_check instead of
3035 convert to report the problem when the operands are promoted.
3036 * c-common.c (unsigned_conversion_warning): Make static.
3037 * c-common.h (unsigned_conversion_warning): Delete prototype.
3039 2006-05-01 Richard Guenther <rguenther@suse.de>
3041 PR tree-optimization/26726
3042 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3044 (find_interesting_uses_address): ... we work around here
3045 by folding INDIRECT_REFs in the substituted base.
3047 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3049 * omp-low.c (dump_omp_region): Add newlines.
3051 2006-04-30 Roger Sayle <roger@eyesopen.com>
3053 * common.opt (Woverflow): New command line option.
3054 * c-common.c (constant_expression_warning): Check warn_overflow.
3055 (overflow_waring): Pass OPT_Woverflow to warning.
3056 (unsigned_conversion_warning): Likewise.
3057 (convert_and_check): Likewise.
3058 * doc/invoke.texi: Document new command line option.
3060 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3062 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3063 TARGET_NO_FP_IN_TOC for section anchors.
3064 (optimization_options): Enable section anchors for all
3065 non-"Objective" languages.
3067 2006-04-28 Eric Christopher <echristo@apple.com>
3069 * config/darwin-c.c (darwin_ms_struct): Move this
3070 (darwin_set_default_type_attributes): and this...
3071 * config/darwin.c: ... here.
3072 * config/darwin.h (darwin_ms_struct): Declare.
3074 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3076 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3078 2006-04-28 Roger Sayle <roger@eyesopen.com>
3081 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3082 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3083 an unsigned HOST_WIDE_INT.
3084 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3086 (really_start_incremental_init): No need to call convert because
3087 bitsize_zero_node is already of type bitsizetype.
3088 (push_init_level): Extract the value of constructor_index as an
3089 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3090 (process_init_element): Likewise.
3092 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3094 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3095 value before passing to make_relative_prefix.
3097 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3100 * builtins.c (expand_builtin_memset): Expand val in original mode.
3102 2006-04-27 Eric Christopher <echristo@apple.com>
3104 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3105 with #ifndef/#endif.
3106 * config/darwin-c.c (darwin_ms_struct): New.
3107 (darwin_pragma_ms_struct): Ditto.
3108 (darwin_set_default_type_attributes): Ditto.
3109 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3110 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3111 Register ms_struct pragma.
3112 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3113 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3114 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3115 darwin_set_default_type_attributes if TARGET_MACHO.
3117 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3119 PR tree-optimization/26854
3120 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3121 * doc/tree-ssa.texi: Update immuse iterator documentation.
3122 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3123 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3124 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3125 first_safe_imm_use, next_safe_imm_use): Remove.
3126 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3127 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3128 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3129 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3130 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3131 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3132 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3133 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3134 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3135 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3136 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3137 (perfect_nestify): Use new iterator.
3138 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3140 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3141 (next_imm_name): New field in struct immediate_use_iterator_d.
3142 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3143 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3144 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3145 * tree-cfg.c (replace_uses_by): Use new iterator.
3146 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3147 * tree-ssa-operands.c (correct_use_link): Remove.
3148 (finalize_ssa_use_ops): No longer call correct_use_link.
3150 2006-04-27 Stuart Hastings <stuart@apple.com>
3152 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3153 * config/t-darwin (crt3.o): Use it.
3154 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3155 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3156 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3157 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3158 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3161 2006-04-27 Roger Sayle <roger@eyesopen.com>
3163 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3164 size, force the intermediate into a new pseudo rather instead of
3165 performing both a bitwise AND and a bitwise IOR in memory.
3167 2006-04-27 Richard Guenther <rguenther@suse.de>
3169 PR rtl-optimization/26685
3170 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3171 this one "max-flow-memory-locations".
3173 2006-04-27 Richard Guenther <rguenther@suse.de>
3175 PR tree-optimization/25148
3176 * tree-vrp.c (compare_values): Remove code dealing with
3177 comparisons against type min/max value. Honour overflow
3178 and negative constants in code dealing with comparisons
3179 of plus and minus expressions.
3180 (value_inside_range): Use fold_binary with LE_EXPR and
3181 GE_EXPR rather than compare_values.
3183 2006-04-27 Dirk Mueller <dmueller@suse.de>
3185 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3188 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3190 * basic-block.h (safe_insert_insn_on_edge): Removed.
3191 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3193 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3194 Paolo Bonzini <bonzini@gnu.org>
3197 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3198 (simplify_and_const_int): Same.
3200 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3202 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3204 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3207 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3208 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3209 cgraph_global_info_ready.
3212 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3215 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3216 either decl or init is error_mark_node.
3219 * tree-flow.h (struct omp_region): Add sched_kind.
3220 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3221 instead of extracting omp for data.
3222 (expand_omp_for): Save extracted sched_kind.
3224 2006-04-25 Roger Sayle <roger@eyesopen.com>
3226 * expmed.c (store_bit_field): Also check whether the bitsize is
3227 valid for the machine's "insv" instruction before moving the
3228 target into a pseudo for use with the insv.
3229 * config/i386/predicates.md (const8_operand): New predicate.
3230 * config/i386/i386.md (extv, extzv, insv): Use the new
3231 const8_operand predicate where appropriate.
3233 2006-04-25 DJ Delorie <dj@redhat.com>
3235 * doc/install.texi (Specific): Clarify that this is not a list of
3236 supported hosts or targets.
3238 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3240 PR rtl-optimization/26725
3241 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3242 block's BB_DIRTY flag.
3244 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3246 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3249 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3250 to print an integer.
3252 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3254 * varasm.c (align_variable): New function.
3255 (get_block_for_decl): Apply align_variable to DECL before
3256 calculating section information.
3257 (assemble_variable): Split out alignment computation.
3259 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3261 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3264 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3266 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3267 MODE_PARTIAL_INT mode.
3268 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3269 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3271 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3272 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3274 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3276 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3278 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3279 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3280 MACFLAG_IH): Likewise.
3281 (movstricthi_1): Renamed from "*movstricthi".
3282 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3283 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3284 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3285 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3286 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3287 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3288 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3289 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3290 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3291 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3292 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3293 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3294 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3295 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3296 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3298 * doc/rtl.texi (ss_ashift): Improve wording.
3300 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3302 * dwarf2out.c (verify_marks_clear): New.
3303 (prune_unused_types): Call verify_marks_clear initially, not
3306 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3308 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3309 * doc/rtl.texi: Document them.
3310 * simplify-rtx.c (simplify_unary_operation,
3311 simplify_binary_operation_1): Don't abort when we see them.
3313 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3316 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3317 * configure.ac: Completely disregard languages that are not
3319 * configure: Regenerated.
3321 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3322 Richard Guenther <rguenther@suse.de>
3324 PR tree-optimization/27236
3325 * tree-inline.c (copy_body_r): Make sure to copy
3326 TREE_THIS_VOLATILE flag.
3328 2006-04-24 Richard Guenther <rguenther@suse.de>
3331 * tree-complex.c (update_parameter_components): Don't handle
3332 unused parameters which have no default def.
3334 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3335 Richard Guenther <rguenther@suse.de>
3337 PR tree-optimization/27218
3338 * tree-inline.c (expand_call_inline): Strip useless type
3339 conversions for the return slot address.
3341 2006-04-24 Richard Guenther <rguenther@suse.de>
3343 * cfgloop.h (struct loops): Remove unused field array. Reorder
3345 (LOOP_PREFETCH): Remove.
3347 2006-04-24 Richard Guenther <rguenther@suse.de>
3349 PR tree-optimization/22525
3350 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3351 variable, adjust types of generated expressions.
3353 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3355 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3356 (tree-vect-patterns.o): Likewise.
3358 (cselib.o): Likewise.
3359 (loop-doloop.o): Likewise.
3360 (regclass.o): Likewise.
3361 (reload1.o): Likewise.
3362 (explow.o): Replace target.h with $(TARGET_H).
3363 (ipa-prop.o): Likewise.
3364 (ipa-cp.o): Likewise.
3365 (ipa-inline.o): Likewise.
3366 (reorg.o): Likewise.
3367 (reg-stack.o): Likewise.
3369 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3371 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3373 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3375 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3377 * configure.ac: Completely disregard languages that are not
3379 * configure: Regenerated.
3382 * c-common.h (c_build_bitfield_integer_type): Declare.
3383 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3384 * c-common.c (c_build_bitfield_integer_type): ... here.
3386 2006-04-23 Roger Sayle <roger@eyesopen.com>
3389 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3390 a SImode SUBREG of a floating point register after no_new_pseudos.
3392 2006-04-23 Roger Sayle <roger@eyesopen.com>
3394 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3395 identify potentially eliminable registers to additionally catch
3396 VIRTUAL_INCOMING_ARGS_REGNUM.
3397 (addsi3): Update the conditions on when to use addsi_small_int.
3399 2006-04-23 Roger Sayle <roger@eyesopen.com>
3402 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3403 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3404 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3406 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3408 * fold-const.c (range_predecessor): Use operand_equal_p
3409 as the predicate for equality.
3410 (range_successor): Likewise.
3412 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3415 * config/soft-fp/op-common.h: Fix a typo.
3417 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3420 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3421 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3423 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3425 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3427 * doc/tm.texi: Fix a typo.
3429 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3431 * dwarf2out.c (struct die_struct): Document that die_sib makes
3432 a circular linked list.
3433 (FOR_EACH_CHILD): New.
3434 (reverse_die_lists): Delete.
3435 (reverse_all_dies): Delete.
3436 (add_dwarf_attr): Correct documentation.
3437 (remove_child_with_prev): New.
3438 (remove_child_TAG): Update for change to die_struct, use
3439 remove_child_with_prev.
3440 (add_child_die): Update for change to die_struct.
3441 (splice_child_die): Use remove_child_with_prev and add_child_die.
3442 (print_die): Use FOR_EACH_CHILD.
3443 (die_checksum): Likewise.
3444 (assign_symbol_names): Likewise.
3445 (output_location_lists): Likewise.
3446 (build_abbrev_table): Likewise.
3447 (calc_die_sizes): Likewise.
3448 (mark_dies): Likewise.
3449 (unmark_dies): Likewise.
3450 (unmark_all_dies): Likewise.
3451 (output_die): Likewise.
3452 (prune_unused_types_mark): Likewise.
3453 (prune_unused_types_walk): Likewise.
3454 (same_die_p): Update for change to die_struct.
3455 (break_out_includes): Likewise.
3456 (prune_unused_types_prune): Likewise.
3457 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3458 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3460 (dwarf2out_finish): Don't call reverse_all_dies.
3462 2006-04-21 Eric Christopher <echristo@apple.com>
3464 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3465 in comments and function names.
3467 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3470 * c-typeck.c (digest_init): Robustify.
3472 * c-typeck.c (pop_init_level): Simplify.
3474 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3476 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3478 2006-04-21 Paul Brook <paul@codesourcery.com>
3480 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3481 hardware floating point.
3483 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3485 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3488 2006-04-21 Nick Clifton <nickc@redhat.com>
3490 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3493 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3496 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3497 C++ lang type in traceback table for Objective-C++.
3499 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3501 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3503 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3505 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3508 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3509 were errors. Remove check for erroneous objects.
3511 2006-04-20 Jeff Law <law@redhat.com>
3513 PR tree-optimization/26854
3514 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3515 checking for zero or one use.
3516 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3517 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3518 * tree-ssa-reassoc.c (negate_value): Similarly.
3519 (reassociate_bb): Similarly.
3521 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3523 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3524 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3525 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3527 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3529 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3530 fp regs if the last fp arg doesn't fit in regs.
3532 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3535 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3536 that the last insn has the REG_INC note.
3538 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3539 Nathan Sidwell <nathan@codesourcery.com>
3542 * stor-layout.c (update_alignment_for_field): Do not align
3544 (place_union_field): Place union field at the start of the union.
3545 (place_field): Move ERROR_MARK check later, and use the current
3546 allocation position to maintain monotonicity.
3548 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3550 * dominance.c: Include timevar.h.
3551 (calculate_dominance_info): Use TV_DOMINANCE.
3552 * timevar.def (TV_DOMINANCE): New timevar.
3553 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3555 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3557 PR rtl-optimization/14261
3558 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3559 move would be an INSV insn.
3560 (noce_process_if_block): Don't optimize if the destination is a
3561 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3563 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3565 * config/s390/s390.md: Add comments with the instructions emitted
3566 by an insn pattern if macros are used.
3568 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3570 PR rtl-optimization/26026
3571 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3572 is a known power of two shifted left a variable amount.
3574 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3576 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3577 to hash table twice when the debug_str section has SECTION_MERGE.
3579 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3581 * config/soft-fp: New directory. From glibc.
3582 * config/soft-fp/t-softfp: New.
3583 * config/soft-fp/README: New.
3584 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3585 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3586 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3587 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3588 * config.gcc: Use rs6000/t-fprules-fpbit or
3589 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3591 * config/rs6000/sfp-machine.h: New. Based on glibc.
3592 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3594 * config/rs6000/t-fprules: Remove fp-bit rules.
3595 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3596 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3597 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3598 (softfp_wrap_start, softfp_wrap_end): New.
3600 2006-04-18 DJ Delorie <dj@redhat.com>
3602 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3604 2006-04-18 Devang Patel <dpatel@apple.com>
3606 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3608 2006-04-18 Nick Clifton <nickc@redhat.com>
3610 * config/sh/t-symbian: Add rule to build sh-c.o
3611 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3612 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3613 (sh_symbian_encode_section_info): Likewise.
3615 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3617 * builtins.c (expand_builtin_strcmp): Cover label definition of
3618 do_libcall with HAVE_cmpstrnsi.
3620 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3622 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3624 * function.h (temp_slot_p): New.
3625 (function): Change the type of x_used_temp_slots to
3626 VEC(temp_slot_p,gc) *.
3628 2006-04-18 Nick Clifton <nickc@redhat.com>
3630 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3631 flag_strength_reduce.
3633 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3635 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3639 Partial revert of revision 112637
3640 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3641 Dale Johannesen <dalej@apple.com>
3644 * regclass.c (struct reg_pref): Update documentation.
3645 (regclass): Set prefclass to NO_REGS if memory is the best option.
3646 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3648 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3650 PR tree-optimization/26821
3651 * tree-ssa-math-opts.c (get_constant_one): New.
3652 (insert_reciprocals): Use it.
3654 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3656 * dwarf2out.c (free_AT): Delete.
3657 (remove_AT): Update string ref counts.
3658 (remove_child_TAG): Don't call free_die.
3660 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3661 or DW_TAG_GNU_EINCL.
3662 (prune_unused_types_walk_attribs): Reset string refcounts.
3663 (prune_unused_types_update_strings): New.
3664 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3665 call free_die. Do call prune_unused_types_update_strings.
3666 (prune_unused_types): Empty debug_str_hash.
3668 2006-04-17 Roger Sayle <roger@eyesopen.com>
3670 * expr.c (expand_assignment): Optimize away no-op moves where the
3671 source and destination are equal and have no side-effects.
3673 2006-04-17 Richard Guenther <rguenther@suse.de>
3676 * reload.c (push_reload): Guard calls to get_secondary_mem
3679 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3681 * alias.c (reg_base_value, old_reg_base_value): Change the
3682 type to VEC(rtx,gc) *.
3683 (REG_BASE_VALUE, find_base_value, record_set,
3684 init_alias_analysis): Use VEC instead of VARRAY.
3686 * alias.c (alias_sets): Change the type to
3687 VEC(alias_set_entry,gc) *.
3688 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3689 VEC instead of VARRAY.
3690 (last_alias_set): Remove.
3692 * cgraph.h (cgraph_edge_p): New.
3693 Update the prototype of cgraph_function_versioning.
3694 * cgraphunit.c (cgraph_copy_node_for_versioning,
3695 cgraph_function_versioning): Use VEC instead of VARRAY.
3696 * ipa-cp.c (ipcp_insert_stage): Likewise.
3698 2006-04-16 Roger Sayle <roger@eyesopen.com>
3701 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3702 "A op B" or "A op C", we may need to convert A to the type of B and C.
3704 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3706 * target.h (struct gcc_target): Add mode_rep_extended.
3707 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3708 (init_num_sign_bit_copies_in_rep): Initialize it using
3710 (truncate_to_mode): Use it.
3711 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3712 * targhooks.h (default_mode_rep_extended): Declare it.
3713 * targhooks.c (default_mode_rep_extended): Define it.
3714 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3715 default_mode_rep_extended.
3716 (TARGET_INITIALIZER): Include it.
3717 * doc/tm.texi (Misc): Document it.
3718 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3719 (mips_truncated_to_mode): New function.
3721 2006-04-16 Roger Sayle <roger@eyesopen.com>
3724 * expr.c (compress_float_constant): Copy the narrow constant into
3725 a new pseudo before extending it to its final width.
3727 2006-04-16 Roger Sayle <roger@eyesopen.com>
3728 Andrew Pinski <pinskia@gcc.gnu.org>
3729 Dale Johannesen <dalej@apple.com>
3732 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3733 special case code to implement V8HImode and V16QImode with SSE2.
3735 2006-04-15 Roger Sayle <roger@eyesopen.com>
3737 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3738 trees are constructed with a suitable tree type.
3740 2006-04-15 Roger Sayle <roger@eyesopen.com>
3742 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3743 (integer_onep): Likewise.
3744 (integer_all_onesp): Likewise.
3745 (integer_pow2p): Likewise.
3746 (integer_nonzerop): Likewise.
3747 (real_zerop): Likewise.
3748 (real_onep): Likewise.
3749 (real_twop): Likewise.
3750 (real_minus_onep): Likewise.
3751 (int_size_in_bytes): Likewise.
3752 (host_integerp): Likewise.
3754 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3756 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3757 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3758 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3760 * tree-ssa-structalias.h (alias_info): Remove num_references.
3762 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3764 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3765 (output_bvb patterns): Likewise.
3766 * pa.c (output_bb): Use 'bb' insn for long branch case.
3767 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3768 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3769 1. Correct length operand for alternatives 1 and 2.
3770 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3771 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3773 2006-04-14 Roger Sayle <roger@eyesopen.com>
3775 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3776 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3777 were accidentally reverted by r112959.
3779 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3782 * except.h (eh_region_outermost): New prototype.
3783 * except.c (eh_region_outermost): New function.
3784 * tree-cfg.c (find_outermost_region_in_block): Use it.
3786 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3788 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3790 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3791 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3792 (init_reload, reload): Use VEC instead of VARRAY.
3793 * reload.h: Update the prototype for
3794 reg_equiv_memory_loc_varray.
3796 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3797 Eric Botcazou <ebotcazou@libertysurf.fr>
3799 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3802 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3805 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3806 to expand fallback builtin function call.
3808 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3811 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3812 and emit libcall here in case the builtin fails.
3813 (expand_builtin_strcmp): Always emit the libcall here on failure.
3815 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3817 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3818 * flow.c (reg_n_info): Change the type to
3819 VEC(reg_info_p,heap) *.
3820 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3822 * regs.h (reg_info_p): New.
3823 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3824 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3825 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3828 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3830 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3832 * params.h (MAX_SCHED_READY_INSNS): New macro.
3833 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3834 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3835 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3836 the ready list for 1 cycle during the first scheduling pass.
3837 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3839 2006-04-13 Richard Henderson <rth@redhat.com>
3842 * gimple-low.c (lower_omp_directive): Remove dead code.
3843 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3844 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3845 * omp-low.c (struct omp_region): Move to tree-flow.h.
3846 (root_omp_region): Export.
3847 (omp_regions, lookup_omp_region): Remove.
3848 (determine_parallel_type): Update for struct omp_region changes.
3849 (dump_omp_region): Dump regions with block numbers.
3850 (new_omp_region): Take type and block instead of stmt; malloc
3852 (free_omp_region_1, free_omp_regions): New.
3853 (expand_parallel_call): Take entry_stmt as argument; update for
3854 changes to omp_region.
3855 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3856 (remove_exit_barriers): New.
3857 (expand_omp_parallel): Update for struct omp_region changes.
3858 (expand_omp_synch): Likewise.
3859 (expand_omp): Likewise.
3860 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3861 (expand_omp_for_static_chunk): Likewise.
3862 (expand_omp_for): Likewise.
3863 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3864 (expand_omp_sections): Similarly, with GOMP_sections_end.
3865 (expand_omp_single): New.
3866 (build_omp_regions_1): Update for OMP_CONTINUE.
3867 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3868 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3869 OMP_SECTIONS_SECTIONS.
3870 (lower_omp_single_simple): Don't emit barrier here.
3871 (lower_omp_single_copy): Likewise.
3872 (lower_omp_single): Fix bindings, and lower to straightline now.
3873 (lower_omp_master, lower_omp_ordered): Likewise.
3874 (lower_omp_critical): Likewise.
3875 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3876 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3877 omp edges, free it afterward.
3878 (make_omp_sections_edges): Remove.
3879 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3880 (move_stmt_r): Handle OMP_CONTINUE.
3881 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3882 statement pointers to basic blocks. Add type member.
3883 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3884 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3885 * tree-inline.c (estimate_num_insns_1): Likewise.
3886 * tree-pretty-print.c (dump_generic_node): Likewise.
3887 * tree-ssa-operands.c (get_expr_operands): Likewise.
3888 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3889 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3890 (OMP_CONTINUE): New.
3891 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3892 (OMP_SECTIONS_SECTIONS): Remove.
3893 (OMP_SECTION_LAST): New.
3894 (OMP_RETURN_NOWAIT): New.
3896 2006-04-13 Roger Sayle <roger@eyesopen.com>
3898 * fold-const.c (native_encode_vector, native_interpret_real):
3899 Correct obvious mistakes in the previous check-in.
3901 2006-04-13 Roger Sayle <roger@eyesopen.com>
3903 * fold-const.c (native_encode_expr): New function to encode
3904 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3905 or VECTOR_CST into a specified buffer.
3906 (native_encode_int): New function.
3907 (native_encode_real): New function.
3908 (native_encode_complex): New function.
3909 (native_encode_vector): New function.
3910 (native_interpret_expr): Inverse of native_encode_expr to convert
3911 a target representation into an INTEGER_CST, REAL_CST etc...
3912 (native_interpret_int): New function.
3913 (native_interpret_real): New function.
3914 (native_interpret_complex): New function.
3915 (native_interpret_vector): New function.
3916 (fold_view_convert_expr): New function to constant fold/evaluate
3917 a VIEW_CONVERT_EXPR of a suitable constant expression.
3918 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3919 Change call of build1 to fold_build1 when constructing a
3922 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3923 Ulrich Weigand <uweigand@de.ibm.com>
3926 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3929 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3932 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3933 optimize to lo_sum for DFmode if !TARGET_FPRS.
3935 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3937 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3938 delete_alias_info, compute_flow_sensitive_aliasing,
3939 group_aliases): Use VEC instead of VARRAY.
3940 * tree-ssa-structalias.c (update_alias_info): Likewise.
3941 * tree-ssa-structalias.h (alias_info): Change the type of
3942 processed_ptrs to VEC(tree,heap) *.
3944 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3947 * config/sh/lib1funcs.h: New file, broken out of:
3948 * config/sh/lib1funcs.asm.
3949 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3951 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3952 * config/sh/lib1funcs-Os-4-200.asm: New file.
3953 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3954 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3955 (EXTRA_MULTILIB_PARTS): Include it.
3956 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3957 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3958 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3959 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3962 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3964 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3965 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3966 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3968 * tree-ssa-live.h: Include vecprim.h.
3969 (tree_partition_associator_d): Change the type of
3970 first_partition to VEC(int,heap) *.
3971 (tpa_first_partition): Use VEC instead of VARRAY.
3973 * Makefile.in (GTFILES): Move functions.h after tree.h.
3974 * function.c (reset_block_changes, record_block_change,
3975 check_block_change, free_block_changes): Use VEC instead of
3977 * function.h (function): Change the type of
3978 ib_boundaries_block to VEC(tree,gc) *.
3979 * tree-inline.c (copy_cfg_body): Initialize
3980 ib_boundaries_block to NULL instead of (varray_type) 0.
3982 2006-04-12 Roger Sayle <roger@eyesopen.com>
3984 * expr.c (emit_group_store): Correct operand order in call to
3985 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3986 a SUBREG_BYTE of zero.
3988 2006-04-12 Richard Guenther <rguenther@suse.de>
3990 * profile.c (compute_branch_probabilities): Remove code
3991 encapsulated in !ir_type (), which are remanents of the
3992 removed RTL profiling code.
3993 * rtl-profile.c: Remove.
3995 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3997 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3998 magic NULL_RTX comment.
3999 (function_arg): Store entire fp arg to mem if any part should go
4001 (rs6000_arg_partial_bytes): Adjust for above change.
4003 2006-04-11 Roger Sayle <roger@eyesopen.com>
4005 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4006 if it hasn't been initialized by dwarf2out_init.
4008 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4010 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4011 symbolic constants in branch patterns.
4013 2006-04-11 Roger Sayle <roger@eyesopen.com>
4015 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4017 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4019 PR rtl-optimization/27073
4020 * gcse.c (try_replace_reg): Revert last change. Continue to search
4021 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4024 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4026 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4027 aggregate types other than record and union types.
4028 (function_arg): Likewise.
4029 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4031 (function_value): In 64-bit mode, return objects that require it
4034 2006-04-11 Roger Sayle <roger@eyesopen.com>
4036 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4038 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4040 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4042 2006-04-03 Jeff Law <law@redhat.com>
4045 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4046 alias information too.
4048 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4050 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4052 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4055 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4056 (premark_used_types_helper): New.
4057 (premark_used_types): New.
4058 (gen_subprogram_die): Call premark_used_types.
4059 (prune_unused_types_walk): Do not prune perennial dies.
4060 * function.c (used_types_insert): New.
4061 * function.h (struct function): Add used_types_hash field.
4062 (used_types_insert): Add prototype.
4063 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4064 * c-parser.c (c_parser_cast_expression): Save casted types in used
4067 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4070 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4071 rs6000_explicit_options.float_gprs.
4073 2006-04-10 Roger Sayle <roger@eyesopen.com>
4075 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4076 from ix86_expand_vector_init_low_nonzero. Take an additional
4077 one_var argument indicating which element is non-zero. Support
4078 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4079 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4080 with one_var instead of ix86_expand_vector_init_low_nonzero.
4082 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4084 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4085 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4086 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4087 build/genextract.o): Depend on vecprim.h.
4088 * cfglayout.c, df-problems.c, function.c, genextract.c,
4089 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4090 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4094 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4096 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4097 Declare VECs of this type.
4098 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4099 (remove_children): Delete.
4100 (add_dwarf_attr): Use VEC routines.
4101 (add_AT_flag): Update for changes to add_dwarf_attr.
4102 (add_AT_int): Likewise.
4103 (add_AT_unsigned): Likewise.
4104 (add_AT_long_long): Likewise.
4105 (add_AT_vec): Likewise.
4106 (add_AT_string): Likewise.
4107 (add_AT_die_ref): Likewise.
4108 (add_AT_fde_ref): Likewise.
4109 (add_AT_loc): Likewise.
4110 (add_AT_loc_list): Likewise.
4111 (add_AT_addr): Likewise.
4112 (add_AT_lbl_id): Likewise.
4113 (add_AT_lineptr): Likewise.
4114 (add_AT_macptr): Likewise.
4115 (add_AT_offset): Likewise.
4116 (add_AT_range_list): Likewise.
4117 (get_AT): Use VEC_iterate.
4118 (remove_AT): Use VEC_ordered_remove.
4119 (free_die): Fold remove_children into here; have it use VEC_iterate.
4120 (print_die): Use VEC_iterate on attrs.
4121 (reverse_die_lists): Don't reverse attr lists.
4122 (die_checksum): Use VEC_iterate on attrs.
4123 (same_die_p): Likewise.
4124 (output_location_lists): Likewise.
4125 (build_abbrev_table): Likewise.
4126 (size_of_die): Likewise.
4127 (unmark_all_dies): Likewise.
4128 (output_abbrev_section): Likewise.
4129 (output_die): Likewise.
4130 (prune_unused_types_walk_attribs): Likewise.
4132 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4134 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4136 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4139 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4141 2006-04-09 Roger Sayle <roger@eyesopen.com>
4143 * expr.c (store_constructor): Don't bother clearing target if
4144 we're about to assign a vector to it using vec_init_optab.
4146 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4148 * tree-ssa-alias.c (lhs_may_store_to): New function.
4149 (recalculate_used_alone): Handle LHS of calls.
4151 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4155 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4156 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4157 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4158 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4159 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4160 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4161 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4162 stubs. Add ".align 8" directives before all ".dword" directives.
4163 (GTHREAD_USE_WEAK): Revise comment.
4164 (TARGET_ATTRIBUTE_WEAK): Define.
4165 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4166 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4167 * stublib.c: New file.
4172 * pa.md (cbranch patterns): Revise arguments used in calls to
4173 output_cbranch, output_bb and output_bvd. Add long branch length
4175 (fbranch patterns): Handle long branches.
4176 (jump): Revise length check. Revise arguments for output_lbranch call.
4177 Add long branch length attributes.
4178 (decrement_and_branch_until_zero): Add long branch length attributes.
4179 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4180 Likewise. Revise arguments for output_parallel_addb and
4181 output_parallel_movb calls.
4182 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4183 output_parallel_movb and output_parallel_addb): Update prototypes.
4184 * pa.c (output_cbranch): Revise arguments. Correct handling of
4185 nullification in long branches.
4186 (output_lbranch): Add new argument to control extraction of delay
4188 (output_bb): Handle long branches.
4189 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4190 output_parallel_addb): Likewise.
4192 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4194 PR rtl-optimization/27073
4195 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4198 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4200 * tree.h (tree_memory_tag): Add old_used_alone.
4201 (SMT_OLD_USED_ALONE): New macro.
4202 * tree-ssa-alias.c (recalculate_used_alone): Stop
4203 marking things for renaming unnecessarily.
4205 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4207 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4208 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4209 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4210 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4211 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4212 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4213 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4214 spelling convensions.
4215 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4216 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4217 typos. Follow spelling conventions.
4219 2006-04-07 DJ Delorie <dj@redhat.com>
4221 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4222 passed on the stack.
4223 (m32c_init_cumulative_args): When a function returns a structure,
4224 always pass the pointer to that return area on the stack.
4225 (m32c_function_arg_advance): Don't increment the parameter number
4226 if we're processing the returned structure pointer.
4227 (pushm_info): Reverse order of registers.
4229 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4231 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4232 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4233 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4234 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4236 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4237 chrec_fold_multiply): Same.
4238 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4239 force_expr_to_var_cost): Same.
4240 * tree-mudflap.c (mf_xform_derefs_1): Same.
4241 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4243 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4245 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4246 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4249 2006-04-07 Jan Hubicka <jh@suse.cz>
4251 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4253 2006-04-07 Richard Guenther <rguenther@suse.de>
4255 PR tree-optimization/26135
4256 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4257 loads for store copy-prop.
4258 (copy_prop_visit_stmt): Likewise.
4260 2006-04-05 Robert Millan <robertmh@gnu.org>
4262 * config/i386/linux.h: Add a comment to mark macros that are
4263 being overriden in config/k*bsd-gnu.h.
4264 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4266 * config/knetbsd-gnu.h: Ditto.
4268 2006-04-06 Jan Hubicka <jh@suse.cz>
4272 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4275 2006-04-06 Mike Stump <mrs@apple.com>
4277 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4278 for HAVE_nonlocal_goto to be consistent.
4279 (expand_builtin_nonlocal_goto): Likewise.
4280 (expand_builtin_strcmp): Use #ifdef instead of #if
4281 for HAVE_cmpstrnsi to be consistent.
4283 2006-04-05 DJ Delorie <dj@redhat.com>
4285 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4288 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4290 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4291 got-relative addressing for anything but SImode.
4293 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4294 even if the calling function doesn't modify them.
4296 2006-04-05 Richard Guenther <rguenther@suse.de>
4298 PR tree-optimization/26919
4299 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4300 to cgraph_estimate_size_after_inlining.
4302 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4304 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4306 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4308 PR tree-optimization/26996
4309 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4310 VECTOR_TYPE variables.
4312 2006-04-05 Richard Guenther <rguenther@suse.de>
4314 PR tree-optimization/26763
4315 * fold-const.c (fold_comparison): Move folding of
4316 PTR + CST CMP PTR + CST ...
4317 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4319 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4321 * doc/install.texi (Prerequisites): Refine some wording on
4322 bootstrapping and ksh.
4323 Move the version numbers of DejaGnu here from the testing section
4324 and fix casing of names.
4325 Fix markup and clarify wording for autogen requirements.
4326 Refer to GCJ instead of just java.
4327 Refer to SVN instead of CVS.
4328 Describe diffutils as useful instead of necessary.
4329 (Downloading the source): Refer to SVN instead of CVS.
4330 Adjust a link to our web site accordingly.
4331 (Configuration): Fix casing of Bison.
4332 (Building): Refer to SVN instead of CVS.
4333 Fix a sentence on the use of Bison and remove duplicate (and
4334 incorrect) version number of Bison requirement.
4335 Remove one redundant list of packages needed for building.
4336 (Specific): Avoid reference to CVS.
4338 2006-04-04 Eric Christopher <echristo@apple.com>
4340 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4341 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4342 (rs6000_handle_struct_attribute): New.
4343 (rs6000_ms_bitfield_layout_p): Ditto.
4345 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4347 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4348 NULL for dso parameter to atexit_common.
4350 2006-04-04 Eric Christopher <echristo@apple.com>
4352 * config/i386/i386.c (machopic_output_stub): Output \t
4353 between instructions and operands.
4355 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4357 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4358 satisfies_constraint_[IL] to explicit tests on value.
4360 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4362 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4363 set_nb_iterations_in_loop): Use build_int_cst instead of
4365 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4366 build_int_cst instead of convert.
4368 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4370 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4371 new value 2 for incoming.
4372 * function.c (expand_function_start): Call struct_value_rtx
4374 * config/sparc/sparc.md: Comment updated_return.
4375 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4376 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4377 struct return if sparc_std_struct_return and incoming is 2.
4378 (print_operand): Do not adjust return if
4379 sparc_std_struct_return.
4381 2006-04-04 Roger Sayle <roger@eyesopen.com>
4383 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4384 convert in the middle-end.
4385 * expr.c (store_expr, store_constructor, get_inner_reference,
4386 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4388 * tree.c (build_range_type): Likewise.
4390 2006-04-04 Tom Tromey <tromey@redhat.com>
4392 * doc/install.texi (Prerequisites): Mention jar.
4394 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4396 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4399 2006-04-04 Matthias Klose <doko@debian.org>
4401 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4402 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4405 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4407 * doc/extend.texi (Function Attributes): Rewrite visibility
4408 attribute documentation.
4409 * doc/invoke.texi (C++ Dialect Options): Rewrite
4410 -fvisibility-inlines-hidden documentation to describe something
4411 entirely different, although in practise compatible.
4412 (Code Gen Options): Warn about system headers in -fvisibility=
4415 * doc/extend.texi (Other Builtins): Document that
4416 __builtin_nan is a compile-time constant only when its argument
4419 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4421 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4422 trying to remove TRUNCATE check if all bits outside the new mode
4423 are identical to the sign bit.
4425 2006-04-03 Jeff Law <law@redhat.com>
4427 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4428 and operand scanning in some common cases.
4430 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4431 Dale Johannesen <dalej@apple.com>
4434 * regclass.c (struct reg_pref): Update documentation.
4435 (regclass): Set prefclass to NO_REGS if memory is the best option.
4436 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4437 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4438 into account. For non-registers, equate an empty preferred
4439 reload class to a `!' in the constraint; move the if clause to
4440 do so after those that reject the insn.
4441 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4443 (find_dummy_reload): Likewise.
4444 * doc/tm.texi (Register Classes): Document what it means
4445 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4446 * config/i386/i386.c (ix86_preferred_reload_class): Force
4447 using SSE registers (and return NO_REGS for floating-point
4448 constants) if math is done with SSE.
4449 (ix86_preferred_output_reload_class): New.
4450 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4451 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4452 * config/i386/i386.md: Remove # register preferences.
4454 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4457 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4458 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4459 the type of nb_iter.
4460 (instantiate_parameters_1): Convert the operands before calling
4461 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4462 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4464 2006-04-02 Roger Sayle <roger@eyesopen.com>
4466 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4467 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4469 * dojump.c (do_jump): Likewise.
4470 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4471 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4472 gimplify_boolean_expr): Likewise.
4473 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4474 * varasm.c (array_size_for_constructor): Likewise.
4475 * tree-object-size.c (compute_object_offset): Likewise.
4477 2006-04-02 Roger Sayle <roger@eyesopen.com>
4480 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4481 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4483 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4485 PR tree-optimization/26939
4486 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4488 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4490 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4491 at_stmt. Convert the type of operands before calling
4492 build_polynomial_chrec.
4493 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4495 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4496 (instantiate_parameters_1): Convert the type of operands before calling
4497 build_polynomial_chrec.
4498 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4499 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4500 reset_evolution_in_loop): Insert asserts to check the types of the
4502 (chrec_type): Moved...
4503 (eq_evolutions_p): Use operand_equal_p.
4504 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4505 the types of the operands.
4506 (chrec_type): ...here.
4507 * tree-data-ref.c (create_data_ref): Convert the operands before
4508 calling chrec_replace_initial_condition.
4509 (same_access_functions, analyze_subscript_affine_affine,
4510 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4511 (compute_subscript_distance, analyze_ziv_subscript,
4512 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4513 analyze_miv_subscript): Convert the operands before calling
4514 chrec_fold_minus or chrec_fold_plus.
4516 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4518 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4519 the dependence_relations vector.
4520 (compute_data_dependences_for_loop): Adjust call to
4521 compute_all_dependences.
4523 2006-04-01 Roger Sayle <roger@eyesopen.com>
4524 Richard Henderson <rth@redhat.com>
4526 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4527 gimple_boolify on the condition before calling gimplify_expr.
4529 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4531 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4532 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4533 the frame size. Update to use the new macros.
4534 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4535 * config/xtensa/ieee754-df.S: Likewise.
4537 2006-03-31 Richard Henderson <rth@redhat.com>
4539 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4540 (make_edges): ... here. Control fallthru creation with a local
4541 variable. Do not play with fake edges.
4542 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4543 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4546 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4548 * dwarf2.h (DW64_CIE_ID): Define.
4549 * dwarf2out.c (DWARF_CIE_ID): Define.
4550 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4551 length header. Use DWARF_CIE_ID.
4552 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4553 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4555 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4557 * config/sh/linux-atomic.asm: New file.
4558 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4560 2006-03-31 DJ Delorie <dj@redhat.com>
4562 * config/m32c/cond.md: Set condition flags properly throughout.
4563 * config/m32c/minmax.md: Likewise.
4564 * config/m32c/prologue.md: Likewise.
4565 * config/m32c/bitops.md: Likewise.
4566 * config/m32c/muldiv.md: Likewise.
4567 * config/m32c/mov.md: Likewise.
4568 * config/m32c/addsub.md: Likewise.
4569 * config/m32c/m32c.md: Likewise.
4570 * config/m32c/jump.md: Likewise.
4571 * config/m32c/shift.md: Likewise.
4573 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4574 conditionally output the pattern for this.
4575 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4576 (m32c_compare_redundant): New.
4577 (m32c_output_compare): New.
4578 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4580 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4581 dest, not src. Allow other 4-byte modes.
4583 2006-03-30 Denis Chertykov <denisc@overta.ru>
4585 * doc/md.texi: Refer to avr/constraints.md instead of
4588 2006-03-30 Roger Sayle <roger@eyesopen.com>
4590 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4591 signed vs. unsigned comparison failures on some hosts.
4593 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4596 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4597 change to FLOAT_REGS.
4599 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4600 (rs6000_override_options): Use it.
4601 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4602 only for -mabi=spe/no-spe and -mabi=altivec.
4604 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4606 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4609 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4611 * Makefile.in: Rename docdir to gcc_docdir.
4613 2006-03-30 Roger Sayle <roger@eyesopen.com>
4616 * expr.c (emit_group_store): Optimize group stores into a pseudo
4617 register by using a paradoxical subreg to initialize the destination
4618 if the first or last member of the group specifies a "low part".
4620 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4623 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4624 * target.h (struct gcc_target.speculate_insn): Change type of the
4625 second parameter to 'int'.
4626 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4627 the second operand of the DEPS_LIST.
4628 (copy_DEPS_LIST_list): Update reference to the second operand of the
4630 * rtl.h (alloc_DEPS_LIST): Update signature.
4631 * sched-int.h (ds_t): Change typedef to 'int'.
4632 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4634 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4636 * haifa-sched.c (try_ready): Change condition to restore
4637 non-speculative pattern of the instruction.
4638 (process_insn_depend_be_in_spec): Code to keep probability of the
4639 speculative dependence non-decreasing.
4641 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4643 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4644 (single_move_for_movmem): ... this. Also change all uses.
4645 (bfin_expand_strmov): Renamed to...
4646 (bfin_expand_movmem): ... this. Also change all uses.
4647 * config/bfin/bfin.md (movstrsi): Renamed to...
4648 (movstrsi): ...this.
4650 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4652 PR tree-optimization/26830
4654 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4655 (copy_prop_visit_stmt): Remove write-only variable ann.
4656 (init_copy_prop): Check variable loop depth here. Do not simulate
4657 memory-tag and virtual operand PHIs except for store copy prop.
4659 2006-03-30 Richard Guenther <rguenther@suse.de>
4661 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4662 variants with double arguments.
4664 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4666 * genpreds.c (write_tm_constrs_h): Delete variable p.
4667 * genconditions.c (write_header): Add tm-constrs.h to included
4669 * genpeep.c (main): Add toplev.h to included headers.
4670 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4671 (build/genpeep.o): Add toplev.h dependency.
4672 * config/rs6000/constraints.md: Add "W" constraint.
4674 2006-03-29 Roger Sayle <roger@eyesopen.com>
4676 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4677 sizes by correctly testing whether the size fits a host integer.
4678 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4679 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4680 SImode range for the default sizetype and bitsizetype.
4682 2006-03-29 Roger Sayle <roger@eyesopen.com>
4684 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4685 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4686 quickly if the argument is already of the correct type.
4687 Call fold_build1 instead of build1. Tidy up blank lines.
4689 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4691 * genemit.c (main): Add tm-constrs.h to included headers.
4692 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4693 * genpeep.c (main): Add tm-constrs.h to included headers.
4694 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4695 (write_tm_constrs_h): this and write complete file.
4696 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4697 (write_insn_preds_c): Add tm-constrs.h to included headers.
4698 (gen_constrs): New variable.
4699 (parse_option): Parse "-c".
4700 (main): Invoke write_tm_constrs_h.
4701 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4702 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4703 (object_out_file): Add tm-constrs.h dependency.
4704 (insn-emit.o): Same.
4705 (insn-output.o): Same.
4706 (insn-peep.o): Same.
4707 (insn-preds.o): Same.
4708 (insn-recog.o): Same.
4709 (tm-constsr.h): New target.
4710 (s-constrs-h): New target.
4712 * config/rs6000/constraints.md: New file.
4713 * config/rs6000/rs6000.c: Include tm-constrs.h.
4714 (num_insn_constant_wide): Convert to satisfies_constraint.
4715 (rs6000_rtx_costs): Convert to satisfies_constraint.
4716 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4717 (CONST_OK_FOR_LETTER_P): Delete.
4718 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4719 (EXTRA_CONSTRAINT): Delete.
4720 (EXTRA_MEMORY_CONSTRAINT): Delete.
4721 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4722 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4723 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4724 satisfies_constraint.
4726 * config/i386/i386.c: Include tm-constrs.h.
4728 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4730 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4731 * tree-data-ref.c (find_data_references_in_loop,
4732 compute_data_dependences_for_loop): Use pointers to VEC.
4733 (analyze_all_data_dependences): Adjust calls.
4734 * tree-data-ref.h (find_data_references_in_loop,
4735 compute_data_dependences_for_loop): Adjust declarations.
4736 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4737 compute_data_dependences_for_loop.
4739 2006-03-29 Paul Brook <paul@codesourcery.com>
4741 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4744 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4746 PR tree-optimization/26859
4747 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4749 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4750 for the step after fold_convert.
4752 2006-03-29 Paul Brook <paul@codesourcery.com>
4754 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4755 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4757 2006-03-29 Paul Brook <paul@codesourcery.com>
4760 * targhooks.c (default_narrow_bitfield): New fuction.
4761 * targhooks.h (default_narrow_bitfield): add prototype.
4762 * target.h (gcc_target): Add narrow_volatile_bitfield.
4763 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4764 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4765 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4766 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4768 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4770 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4772 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4773 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4774 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4775 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4776 (s390_function_arg_float): Allow SDmode and DDmode values to be
4777 passed in floating point registers.
4778 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4779 check with SCALAR_FLOAT_MODE_P.
4780 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4782 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4784 PR tree-optimization/25985
4785 * tree-ssa-loop-niter.c (number_of_iterations_le,
4786 number_of_iterations_ne): Make comments more precise.
4787 (number_of_iterations_cond): Add only_exit argument. Use the
4788 fact that signed variables do not overflow only when only_exit
4790 (loop_only_exit_p): New.
4791 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4792 number_of_iterations_cond.
4794 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4796 PR tree-optimization/26643
4797 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4800 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4802 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4803 (divsi3_i4_int): Likewise.
4805 2006-03-28 Roger Sayle <roger@eyesopen.com>
4807 * expr.c (emit_group_store): Only create a new pseudo reg if the
4808 quantity it needs to hold isn't already a suitable pseudo.
4810 2006-03-28 Jeff Law <law@redhat.com>
4812 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4813 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4815 2006-03-28 Roger Sayle <roger@eyesopen.com>
4817 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4818 the equivalent ~X & Y, and the symmetry related transformations.
4819 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4820 ~X & Y, and symmetry related transforms.
4822 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4824 Revert my 2006-03-27 patches.
4826 2006-03-28 Roger Sayle <roger@eyesopen.com>
4828 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4829 ~(T1)X, when T1 and T2 are integer types of the same precision
4830 and (T2)X isn't an extension.
4832 2006-03-28 Jeff Law <law@redhat.com>
4834 PR tree-optimization/26796
4835 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4836 need EH edge cleanups rather than purging them immediately.
4837 (eliminate_degenerate_phis): Handle queued EH cleanups.
4839 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4841 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4844 2006-03-27 Roger Sayle <roger@eyesopen.com>
4847 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4848 cast BIT_NOT_EXPR operand to the correct type.
4850 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4852 * tree-loop-linear.c: Don't include varray.h.
4853 (gather_interchange_stats, try_interchange_loops,
4854 linear_transform_loops): Use VEC instead of VARRAY.
4855 * lambda-mat.c: Don't include varray.h.
4856 * tree-chrec.c: Same.
4857 * lambda-trans.c: Same.
4858 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4859 VEC instead of VARRAY.
4860 * tree-vectorizer.h: Idem.
4861 * tree-data-ref.c (dump_data_references,
4862 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4863 initialize_data_dependence_relation, finalize_ddr_dependent,
4864 compute_all_dependences, find_data_references_in_loop,
4865 compute_data_dependences_for_loop, analyze_all_data_dependences,
4866 free_dependence_relation, free_dependence_relations,
4867 free_data_refs): Idem.
4868 * tree-data-ref.h (data_reference_p, subscript_p): New.
4869 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4870 VEC instead of VARRAY.
4871 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4872 (find_data_references_in_loop, compute_data_dependences_for_loop,
4873 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4874 dump_data_dependence_relations, free_dependence_relations,
4875 free_data_refs): Adjust declaration.
4876 (lambda_transform_legal_p): Move declaration here...
4877 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4878 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4879 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4880 vect_analyze_data_refs): Use VEC instead of VARRAY.
4881 * lambda.h (lambda_transform_legal_p): ...from here.
4882 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4883 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4884 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4885 tree-chrec.o): Don't depend on VARRAY_H.
4887 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4889 * rtl.def (Copyright): Update date.
4890 (DEPS_LIST): Change type of the second operand to 'int'.
4891 * target.h (Copyright): Update date.
4892 (struct gcc_target.speculate_insn): Change type of the second parameter
4894 * lists.c (Copyright): Update date.
4895 (alloc_DEPS_LIST): Change signature. Update reference to the second
4896 operand of the DEPS_LIST.
4897 (copy_DEPS_LIST_list): Update reference to the second operand of the
4899 * rtl.h (Copyright): Update date.
4900 (alloc_DEPS_LIST): Update signature.
4901 * sched-int.h (Copyright): Update date.
4902 (ds_t): Change typedef to 'int'.
4903 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4905 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4907 * haifa-sched.c (Copyright): Update date.
4908 (try_ready): Change condition to restore non-speculative pattern
4910 (process_insn_depend_be_in_spec): Code to keep probability of the
4911 speculative dependence non-decreasing.
4913 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4915 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4916 shut up the compiler.
4918 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4920 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4921 to use lib prefix for target.
4922 ($(T)libic_invalidate_array_4-200.a): Likewise.
4923 ($(T)libic_invalidate_array_4a.a): Likewise.
4925 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4926 J"orn Rennecke <joern.rennecke@st.com>
4928 * superh.opt: New file.
4929 * sh.c (boardtype, osruntime): Remove.
4930 * superh.h (SUBTARGET_OPTIONS): Remove.
4931 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4933 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4934 arguments with ^ and/or [].
4936 * config.gcc (sh-*-*): Add quoting to account for quirk of
4938 Replace == with = in enable_incomplete_targets test.
4940 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4941 with MASK_LITTLE_ENDIAN.
4943 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4944 * config/sh/sh.opt: Added to some comments.
4945 * config/sh/superh.h: Removed some chaff.
4947 * config/sh/sh.opt: Add m4-[1234]00* options.
4948 * config/sh/sh.c (sh_handle_option): Likewise.
4949 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4950 (ic_invalidate_array_4-100.o): New rule.
4951 ($(T)libic_invalidate_array_4-100.a): Likewise.
4952 (ic_invalidate_array_4-200.o): Likewise.
4953 ($(T)libic_invalidate_array_4-200.a): Likewise.
4954 (ic_invalidate_array_4a.o): Likewise.
4955 ($(T)libic_invalidate_array_4a.a): Likewise.
4956 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4957 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4959 * config/sh/crt1.asm: Merged in profiling code.
4960 * config/sh/superh.h (STARTFILE_SPEC): Override.
4961 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4962 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4963 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4965 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4966 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4967 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4969 * sh.opt (mpretend-cmove): New option.
4970 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4971 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4972 (movsicc): Add TARGET_PRETEND_CMOVE code.
4974 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4976 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4977 s390_class_max_nregs): New function prototypes.
4978 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4979 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4980 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4981 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4983 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4985 * dwarf2out.c (add_location_or_const_value_attribute): Call
4986 tree_add_const_value_attribute if nothing else works.
4987 (reference_to_unused): New.
4988 (rtl_for_decl_init): Use reference_to_unused to decide whether
4989 to output an initializer.
4991 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4994 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4995 peephole removing spe frob_di_df_2.
4997 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4999 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5000 (subscript_dependence_tester_1): Declared.
5001 (print_dir_vectors, print_dist_vectors): New.
5002 (debug_data_dependence_relation): New.
5003 (dump_data_dependence_relation): Print more details.
5004 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5005 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5006 (save_dist_v, save_dir_v, add_outer_distances,
5007 build_classic_dist_vector_1): New.
5008 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5009 Don't test for lambda_vector_lexico_pos.
5010 (same_access_functions, add_multivariate_self_dist,
5011 add_other_self_distances, dir_from_dist): New.
5012 (build_classic_dir_vector): Replace implementation almost identical to
5013 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5015 (subscript_dependence_tester_1): New.
5016 (subscript_dependence_tester): Handle the lexicographically negative
5017 distance vectors by recomputing the dependence relation.
5018 (compute_affine_dependence): Remove parameter loop_nest_depth.
5019 (compute_self_dependence): Don't call compute_subscript_distance.
5020 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5021 Add a parameter for the loop_nest.
5022 (find_loop_nest_1, find_loop_nest): New.
5023 (compute_data_dependences_for_loop): Compute the loop nest, and give
5024 up if the nest is not well formed.
5025 * tree-data-ref.h (loop_p): New.
5026 (struct data_dependence_relation): Replace size_vect field with
5027 loop_nest, a vec of loops.
5028 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5029 (DDR_LOOP_NEST): New.
5030 (print_dir_vectors, print_dist_vectors,
5031 debug_data_dependence_relation): Declared.
5032 (index_in_loop_nest): New.
5033 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5034 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5037 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5039 * simplify-rtx.c (simplify_relational_operation): Call
5040 simplify_relational_operation_1 even if mode is VOIDmode.
5042 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5044 PR tree-optimization/26804
5045 * tree.h (DECL_CALL_CLOBBERED): New macro.
5046 (tree_decl_common): Add call_clobbered_flag.
5047 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5048 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5049 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5050 (mark_non_addressable): Ditto.
5051 * tree-ssa.c (verify_call_clobbered): New function.
5052 (verify_alias_info): Use it.
5053 * tree-pass.h (pass_reset_cc_flags): New prototype.
5054 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5055 (reset_cc_flags): New function.
5056 * passes.c (init_optimization_passes): Call reset_cc_flags after
5057 initializing referenced_vars.
5059 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5060 Roger Sayle <roger@eyesopen.com>
5063 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5064 to 1.0 for non-real operands. Implement A / A optimization for
5067 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5069 * config/i386/i386.c (size_cost): Correct the comment for
5070 cost of storing fp registers.
5071 (i386_cost): Likewise.
5072 (i486_cost): Likewise.
5073 (pentium_cost): Likewise.
5074 (pentiumpro_cost): Likewise.
5075 (k6_cost): Likewise.
5076 (athlon_cost): Likewise.
5077 (k8_cost): Likewise.
5078 (pentium4_cost): Likewise.
5079 (nocona_cost): Likewise.
5080 (generic64_cost): Likewise.
5081 (generic32_cost): Likewise.
5083 2006-03-24 Denis Chertykov <denisc@overta.ru>
5085 * config/avr/avr-protos.h (extra_constraint): Delete.
5086 (extra_constraint_Q): New declaration.
5087 * config/avr/constraints.md: New file.
5088 * config/avr/avr.md: Include it.
5089 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5090 (TMP_REGNO, ZERO_REGNO): Likewise.
5091 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5092 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5093 (extra_constraint): Delete.
5094 (extra_constraint_Q): Test for memory constraint 'Q'.
5095 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5096 (REG_CLASS_FROM_LETTER): Delete.
5097 (CONST_OK_FOR_LETTER_P): Delete.
5098 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5099 (EXTRA_CONSTRAINT): Delete.
5100 (TMP_REGNO): Delete.
5101 (ZERO_REGNO): Delete.
5103 2006-03-24 Jeff Law <law@redhat.com>
5105 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5106 directly. Call mark_new_vars_to_rename slightly earlier.
5108 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5110 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5112 (gen_compile_unit_die): Use new language types for Objective-C and
5114 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5115 DW_LANG_C_plus_plus.
5118 * config/t-darwin (crt3.o): Work around bug 26840.
5119 * config/darwin-crt3.c: Rewrite.
5120 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5122 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5124 * doc/invoke.texi: Document -femit-class-debug-always
5125 * common.opt: Add -femit-class-debug-always.
5127 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5129 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5130 index and base register.
5131 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5132 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5133 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5134 REGNO_OK_FOR_INDEX_P.
5135 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5137 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5138 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5139 REG_OK_FOR_BASE_P): Definitions removed.
5141 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5144 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5145 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5146 set yet or weren't marked as local yet.
5148 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5150 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5153 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5155 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5156 (rs6000_legitimate_small_data_p): Delete.
5157 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5158 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5159 and make static. Add forward declaration. Update uses.
5160 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5161 of offsettable_memref_p.
5162 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5163 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5165 2006-03-24 Jeff Law <law@redhat.com>
5167 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5168 around bug in immediate-use iterator.
5170 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5173 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5174 or __LITTLE_ENDIAN__.
5176 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5178 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5179 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5180 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5181 * config/sh/sh.opt (mdiv=): Amend description.
5182 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5183 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5184 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5185 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5186 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5187 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5188 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5189 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5190 TARGET_DIVIDE_CALL_FP.
5192 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5194 * haifa-sched.c (choose_ready): Fix type of the local variable.
5195 Move local variables. Add comment.
5196 (check_reg_live): Change signature. Make callable from debugger.
5197 * sched-int.h (check_reg_live): Update signature.
5198 * sched-ebb.c (check_reg_live): Update parameters.
5199 * sched-rgn.c (check_reg_live): Ditto.
5200 (region_head_or_leaf_p): Check pointer before dereferencing.
5201 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5202 before reload on optimization levels below 1.
5204 2006-03-23 Richard Henderson <rth@redhat.com>
5206 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5210 * config/alpha/predicates.md (local_symbolic_operand): Reject
5213 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5216 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5217 expressions which have overflowed constants.
5219 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5221 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5223 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5225 * cfgloopmanip.c (create_loop_notes): Removed.
5226 * final.c (final_scan_insn): Do not handle loop notes.
5227 * jump.c (squeeze_notes): Ditto.
5228 * cfglayout.c (skip_insns_after_block,
5229 duplicate_insn_chain): Ditto.
5230 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5232 * cfgloop.h (create_loop_notes): Declaration removed.
5234 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5236 * varasm.c (output_constant_pool): Restore fnname and fndecl
5238 (assemble_start_function): Adjust call accordingly.
5239 (assemble_end_function): Likewise.
5241 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5244 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5247 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5249 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5252 * system.h (ICE_EXIT_CODE): New macro.
5253 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5254 (diagnostic_action_after_output): Likewise.
5255 * gcc.c (fatal_ice): New function.
5256 (execute): Use it instead of fatal.
5257 (fancy_abort): Likewise.
5258 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5260 2006-03-22 Jeff Law <law@redhat.com>
5262 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5263 iv_analyze_result returning false.
5265 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5267 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5269 2006-03-22 Richard Henderson <rth@redhat.com>
5272 * except.c (duplicate_eh_regions_0): New.
5273 (duplicate_eh_region_1): Duplicate the children of the node as
5274 well as the node itself. Link them up properly.
5275 (duplicate_eh_region_2): Merge into ...
5276 (duplicate_eh_regions): ... here. Take copy_region argument, and
5277 copy only a sub-tree if asked. Simplify copying and fixup.
5278 (eh_region_outer_p): New.
5279 * except.h (duplicate_eh_regions): Update decl.
5280 (eh_region_outer_p): Declare.
5281 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5282 (lower_omp_master): Likewise.
5283 (lower_omp_ordered): Likewise.
5284 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5285 (move_stmt_r): Use it to remap labels. Handle recursion vs
5286 remap_decls_p properly.
5287 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5288 (find_outermost_region_in_block): New.
5289 (new_label_mapper): New.
5290 (move_sese_region_to_fn): Copy eh information to the new function
5292 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5294 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5297 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5299 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5300 into shared libraries.
5302 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5304 * doc/md.texi: Refer to i386/constraints.md instead of
5306 * config/i386/constraints.md: New file, extracted from...
5307 * config/i386/predicates.md: ...here.
5308 * config/i386/i386.md: Include constraints.md.
5310 2006-03-21 Jason Merrill <jason@redhat.com>
5312 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5315 * expr.c (init_block_move_fn): Force default visibility.
5316 (init_block_clear_fn): Likewise.
5317 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5318 * targhooks.c (default_external_stack_protect_fail): Likewise.
5320 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5322 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5323 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5324 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5325 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5326 (loadgp): Use mips_current_loadgp_style.
5327 (loadgp_noshared): New pattern.
5328 (sibcall_internal): Use MIPS_CALL.
5329 (sibcall_value_internal): Likewise.
5330 (sibcall_value_multiple_internal): Likewise.
5331 (call_internal): Likewise.
5332 (call_value_internal): Likewise.
5333 (call_value_multiple_internal): Likewise.
5334 (call_split): Use MIPS_CALL and add an 'S' constraint.
5335 (call_value_split): Likewise.
5336 (call_value_multiple_split): Likewise.
5337 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5338 (-mshared): New option.
5339 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5340 (mips_current_loadgp_style): Declare.
5341 * config/mips/mips.c (mips_classify_symbol): Avoid using
5342 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5343 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5344 TARGET_ABSOLUTE_ABICALLS.
5345 (override_options): Adjust comments. Improve the warning that is
5346 issued when -mabicalls and -G are used together.
5347 (mips_file_start): Remove comment.
5348 (mips_current_loadgp_style): New function.
5349 (mips_gnu_local_gp): New variable.
5350 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5352 (mips_output_function_prologue): Use mips_current_laodgp_style.
5353 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5354 the cprestore instruction.
5355 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5356 live for TARGET_ABSOLUTE_ABICALLS.
5357 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5358 (ASM_SPEC): Pass down -mshared and -mno-shared.
5359 (MIPS_CALL): New macro.
5360 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5362 * doc/invoke.texi (-mabicalls): Update documentation.
5363 (-mshared): Document.
5365 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5367 * config/ia64/unwind-hpux.c: New file.
5368 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5370 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5373 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5375 2006-03-21 Jeff Law <law@redhat.com>
5377 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5378 type conversions of a VR_VARYING source to a wider type.
5380 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5382 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5383 tm_file on Solaris 10 and later.
5384 (sparc64-*-solaris2*): Likewise.
5385 (sparc-*-solaris2*): Likewise.
5386 * config/sol26.h: Rename to config/sol2-6.h.
5387 * config/sol2-10.h: New file.
5389 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5392 * tree-ssa-pre.c (create_component_ref_by_pieces):
5395 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5398 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5399 return it immediately.
5401 2006-03-21 Michael Matz <matz@suse.de>
5403 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5405 (remove_arc, add_arc): Update num_out_arcs member.
5406 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5408 (cache_presence): New function.
5409 (compare_states_for_equiv): New function.
5410 (state_is_differed): Don't take number of outargs, adjust callers.
5411 Use new invariant for speeding up.
5412 (init_equiv_class): Create initial classes based on sorted
5414 (partition_equiv_class): Don't track out_arcs_num.
5415 (evaluate_equiv_classes): Call cache_presence on all states and
5418 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5420 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5421 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5422 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5423 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5425 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5426 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5427 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5428 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5429 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5431 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5432 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5433 (REGNO_REG_CLASS): ARGP is in PREGS.
5434 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5436 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5437 to deal with those addresses.
5438 * addresses.h: New file.
5439 * caller-save.c: Include "addresses.h".
5440 (init_caller_save): Use new base_reg_class function.
5441 * rtl-factoring.c: Include "addresses.h".
5442 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5443 * recog.c: Include "addresses.h".
5444 (preprocess_constraints): Use new base_reg_class function.
5445 * regrename.c: Include "addresses.h".
5446 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5447 functions. Keep track of a new var INDEX_CODE to compute valid
5449 (replace_oldest_value_addr): Likewise.
5450 (replace_oldest_value_mem): Use base_reg_class.
5451 * reload.c: Include "addresses.h".
5452 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5453 (find_reloads): Use new base_reg_class function.
5454 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5455 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5456 all callers and prototype changed.
5457 * reload1.c: Include "addresses.h".
5458 (maybe_fix_stack_asms): Use base_reg_class.
5459 * regclass.c: Include "addresses.h".
5460 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5461 (init_reg_autoinc): Use new base_reg_class function.
5462 (record_reg_classes): Likewise.
5463 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5464 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5465 Use new args to compute necessary class.
5467 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5468 regrename.o, rtl-factoring.o): Update dependencies.
5469 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5470 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5471 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5472 REG_OK_FOR_INDEX_P): Delete documentation.
5474 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5476 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5477 from V7 to V9 for Solaris 7 and above.
5479 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5481 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5482 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5483 argument pointers may not alias any other storage.
5484 * common.opt: Define option -fargument-noalias-anything.
5485 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5486 alias semantics is specified by flag_argument_noalias > 2.
5488 2006-03-20 Jeff Law <law@redhat.com>
5490 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5491 (pass_phi_only_cprop): Declare.
5492 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5494 * tree-ssa-dom.c (degenerate_phi_result): New function.
5495 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5496 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5497 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5498 (eliminate_degenerate_phis): Likewise.
5499 (pass_phi_only_cprop): New pass descriptor.
5500 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5501 support code. Callers updated.
5502 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5503 (store_copy_prop): Likewise.
5504 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5506 2006-03-20 Jason Merrill <jason@redhat.com>
5509 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5510 (push_visibility, pop_visibility): Likewise.
5511 * c-pragma.h: Declare them.
5513 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5515 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5517 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5518 parameter and use get_ebb_head_tail.
5519 (sh_md_init_global): Adjust uses of find_regmode_weight.
5521 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5523 * function.h (struct function) <x_tail_recursion_reentry>:
5524 Rename to x_stack_check_probe_note.
5525 (tail_recursion_reentry): Rename to stack_check_probe_note.
5526 * function.c: Replace tail_recursion_reentry with
5527 stack_check_probe_note everywhere.
5528 (expand_function_start): Only emit a note for
5529 stack_check_probe_note with -fstack-protect.
5530 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5532 * emit-rtl.c (remove_unnecessary_notes): Remove.
5533 (pass_remove_unnecessary_notes): Remove.
5534 * rtl.h (remove_unnecessary_notes): Remove prototype.
5535 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5536 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5537 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5539 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5542 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5543 (valid_in_set): Handle ARRAY_REF.
5544 Change "if min_variant or VH" to asserts.
5545 (create_component_ref_by_pieces): Handle ARRAY_REF.
5546 (create_expression_by_pieces): Likewise.
5547 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5549 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5551 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5552 is operand of switch, not str[0].
5554 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5556 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5557 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5559 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5561 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5562 end of insn_extra_address_constraint declaration.
5564 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5566 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5567 (no-sum-in-toc): Same.
5568 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5570 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5571 NO_FP_IN_TOC for -fPIC instead of mask.
5573 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5574 (BOOT_LDFLAGS): Delete.
5576 * config/rs6000/t-aix52: Same.
5578 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5579 (stmsi[345678]_power): New.
5581 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5583 * config/ia64/ia64.opt: Add empty line to end of file.
5585 2006-03-17 Richard Guenther <rguenther@suse.de>
5588 * builtins.c (get_pointer_alignment): For component style references
5589 adjust alignment to the component type alignment. Make sure
5590 to adjust alignment for component access of constants.
5592 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5594 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5597 2006-03-17 Paul Brook <paul@codesourcery.com>
5599 * doc/install.texi: Docuemnt --with-mode.
5600 * config.gcc: Add --with-mode for arm*-*-*.
5601 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5603 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5605 * sh.c (max_labelno_before_reorg): New variable.
5606 (sh_reorg): Initialize it.
5607 (find_barrier): Check max_labelno_before_reorg before using
5608 label_to_alignment. Take length of explicit alignment insns
5609 into account. When seeing a UNSPECV_CONST_END, return it.
5611 * sh.c (fixup_mova): Set mode of affected label to QImode.
5612 (untangle_mova): New function.
5613 (find_barrier): Use it. Check mode of label before decrementing
5615 (sh_reorg): Likewise.
5616 Set mode of all insns back to VOIDmode.
5618 * sh.c (MOVA_LABELREF): New macro.
5619 (mova_p, fixup_mova, sh_reorg): Use it.
5620 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5621 ADDR_DIFF_VEC matches mova.
5623 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5625 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5626 with ATTRIBUTE_UNUSED.
5628 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5630 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5631 pointer, instead of assuming it is possible to derive the
5632 correct args size from a call insn.
5634 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5636 * rtl.h (CONST_INT_P): Define.
5637 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5638 instead of GET_CODE(x) == CONST_INT.
5639 (vax_rtx_costs): Likewise.
5640 (vax_output_int_move): Likewise.
5641 (vax_output_int_add): Likewise.
5642 (legitimate_constant_address_p): Likewise.
5643 (index_term_p): Likewise.
5644 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5645 * config/vax/vax.md (and<mode>3): Likewise.
5646 (ashrsi3): Likewise.
5648 (movstricthi): Likewise.
5649 (movstrictqi): Likewise.
5650 (rotrsi3): Likewise.
5651 (five unnamed insns): Likewise.
5653 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5655 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5656 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5657 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5658 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5659 Pass to ASM_OUTPUT_DWARF_OFFSET.
5660 * dwarf2out.c (debug_frame_section): New.
5661 (output_call_frame_info): Use debug_frame_section. Pass it to
5662 dw2_asm_output_offset.
5663 (output_die): Pass appropriate section to dw2_asm_output_offset.
5664 (output_compilation_unit_header): Likewise.
5665 (output_pubnames): Likewise.
5666 (output_aranges): Likewise.
5667 (enum dw_val_class): Break dw_val_class_lbl_offset into
5668 dw_val_class_lineptr and dw_val_class_macptr.
5669 (add_AT_lbl_offset): Delete.
5670 (add_AT_lineptr): New.
5671 (add_AT_macptr): New.
5672 (AT_lbl): Expect a lineptr or macptr.
5673 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5674 (attr_checksum): Likewise.
5675 (same_dw_val_p): Likewise.
5676 (size_of_die): Likewise.
5677 (value_format): Likewise.
5678 (output_die): Likewise.
5679 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5681 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5682 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5683 * config/darwin-protos.h (darwin_file_start): New.
5684 (darwin_asm_output_dwarf_offset): New.
5685 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5686 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5688 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5689 if not EH section; simplify.
5690 (darwin_file_start): New.
5691 (darwin_asm_output_dwarf_offset): New.
5692 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5694 (DEBUG_INFO_SECTION): Likewise.
5695 (DEBUG_ABBREV_SECTION): Likewise.
5696 (DEBUG_ARANGES_SECTION): Likewise.
5697 (DEBUG_MACINFO_SECTION): Likewise.
5698 (DEBUG_LINE_SECTION): Likewise.
5699 (DEBUG_LOC_SECTION): Likewise.
5700 (DEBUG_PUBNAMES_SECTION): Likewise.
5701 (DEBUG_STR_SECTION): Likewise.
5702 (DEBUG_RANGES_SECTION): Likewise.
5703 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5704 (ASM_OUTPUT_DWARF_OFFSET): New.
5706 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5708 * config.gcc (tm_defines): Always add to previous value rather
5711 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5713 * config/mips/predicates.md (splittable_const_int_operand): New,
5714 split from move_operand.
5715 (splittable_symbolic_operand): New.
5716 (move_operand): Add commentary. Use splittable_const_int_operand.
5717 Inline mips_atomic_symbolic_constant_p.
5718 * config/mips/mips.md: Add combine splitters for handling moves
5719 of splittable_const_int_operands and splittable_symbolic_operands.
5720 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5721 (mips_split_symbol): Declare.
5722 (mips_move_integer): Declare.
5723 * config/mips/mips.c (mips_split_p): Make global.
5724 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5725 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5726 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5727 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5728 (mips_offset_within_object_p): Handle block symbols.
5729 (mips_atomic_symbolic_constant_p): Delete.
5730 (mips_cannot_force_const_mem): Return false for constants that
5731 mips_legitimize_move can handle.
5732 (mips_use_blocks_for_constant_p): New function.
5733 (mips_split_symbol): Make global.
5734 (mips_move_integer): Likewise. Add a temporary register argument.
5735 (mips_legitimize_const_move): Use splittable_const_int_operand and
5736 splittable_symbolic_operand.
5737 (mips_use_anchors_for_symbol_p): New function.
5738 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5739 (mips_split_p): Declare.
5741 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5743 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5744 (mips*-*-linux*): Likewise.
5746 2006-03-16 Roger Sayle <roger@eyesopen.com>
5747 Daniel Speyer <dspeyer@wam.umd.edu>
5750 * tree-dump.c (dump_real): New function.
5751 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5752 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5753 (tree-dump.o): Add $(REAL_H) to the dependencies.
5755 2006-03-16 Roger Sayle <roger@eyesopen.com>
5758 * real.c (real_from_string): If the mantissa is zero, don't bother
5759 parsing the exponent as the result should always be zero.
5761 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5763 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5765 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5767 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5768 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5769 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5770 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5771 ia64_sched_finish_global): New static functions to implement
5772 hooks from gcc_target.sched.
5773 (spec_check_no, max_uid, pending_data_specs): New static variables.
5774 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5775 ia64_spec_check_src_p): New static functions.
5776 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5777 (TARGET_SCHED_ADJUST_COST): Removed.
5778 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5779 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5780 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5781 TARGET_SCHED_GEN_CHECK,
5782 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5783 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5784 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5785 Fixed to handle speculation checks.
5786 (rtx_needs_barrier): Fixed to handle speculative loads and
5788 (ia64_variable_issue): Added code to count speculative loads and their
5790 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5792 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5794 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5796 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5797 (ia64_reorg): Reset stops_p to NULL after it is freed.
5798 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5799 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5800 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5802 (data_speculative, control_speculative, check_load): New attributes.
5803 (mov<mode>_advanced, mov<mode>_speculative,
5804 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5805 zero_extend<mode>di2_speculative,
5806 zero_extend<mode>di2_speculative_advanced): New patterns for
5807 data and control speculative loads.
5808 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5810 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5811 New pattern for data and control speculation checks.
5812 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5813 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5814 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5815 Auxiliary definitions for the patterns.
5816 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5817 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5819 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5821 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5822 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5823 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5824 New resource constraints.
5825 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5827 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5828 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5829 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5830 msched-in-control-spec, msched-ldc, msched-control-ldc,
5831 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5832 msched-prefer-non-control-spec-insns,
5833 msched-count-spec-in-critical-path): New flags to tune speculative
5835 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5836 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5837 msched-in-control-spec, msched-ldc, msched-control-ldc,
5838 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5839 msched-prefer-non-control-spec-insns,
5840 msched-count-spec-in-critical-path): Document new flags.
5842 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5844 * target.h (struct spec_info_def): New opaque declaration.
5845 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5846 speculate_insn, needs_block_p, gen_check,
5847 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5848 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5849 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5850 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5851 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5852 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5854 (TARGET_SCHED): Use new macros.
5855 * rtl.h (copy_DEPS_LIST_list): New prototype.
5856 * sched-int.h (struct sched_info): Change signature of new_ready field,
5857 adjust all initializations. New fields: add_remove_insn,
5858 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5859 region_head_or_leaf_p.
5860 (struct spec_info_def): New structure declaration.
5861 (spec_info_t): New typedef.
5862 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5863 recovery_block, orig_pat.
5864 (glat_start, glat_end): New variables declaraions.
5865 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5867 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5868 DETACH_LIFE_INFO, USE_GLAT.
5869 (enum SPEC_SCHED_FLAGS): New enumeration.
5870 (NOTE_NOTE_BB_P): New macro.
5871 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5872 attach_life_info, debug_spec_status, check_reg_live): New functions.
5873 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5874 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5876 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5877 * ddg.c (get_block_head_tail): Adjust all uses.
5878 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5879 (sms_sched_info): Initialize new fields.
5880 (contributes_to_priority): Removed.
5881 * haifa-sched.c (params.h): New include.
5882 (get_block_head_tail): Adjust all uses.
5883 (ISSUE_POINTS): New macro.
5884 (glat_start, glat_end): New global variables.
5885 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5886 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5887 old_last_basic_block, before_recovery, current_sched_info_var,
5888 rgn_n_insns, luid): New static variables.
5889 (insn_cost1): New function. Move logic from insn_cost to here.
5890 (find_insn_reg_weight1): New function. Move logic from
5891 find_insn_reg_weight to here.
5892 (reemit_notes, move_insn, max_issue): Change signature.
5893 (move_insn1): Removed.
5894 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5895 extend_bb): New static functions to support extension of scheduler's
5897 (generate_recovery_code, process_insn_depend_be_in_spec,
5898 begin_speculative_block, add_to_speculative_block,
5899 init_before_recovery, create_recovery_block, create_check_block_twin,
5900 fix_recovery_deps): New static functions to support
5901 generation of recovery code.
5902 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5903 restore_bb_notes, move_block_after_check, move_succs): New static
5904 functions to support ebb scheduling.
5905 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5906 functions to support handling of register live information.
5907 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5908 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5909 add_jump_dependencies): New static functions.
5910 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5911 consistancy checking.
5912 (debug_spec_status): New function to call from debugger.
5913 (priority): Added code to handle speculation checks.
5914 (rank_for_schedule): Added code to distinguish speculative instructions.
5915 (schedule_insn): Added code to handle speculation checks.
5916 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5917 Fixed to handle ebbs.
5918 (move_insn): Added code to handle ebb scheduling.
5919 (max_issue): Added code to use ISSUE_POINTS of instructions.
5920 (choose_ready): Added code to choose between speculative and
5921 non-speculative instructions.
5922 (schedule_block): Added code to handle ebb scheduling and scheduling of
5923 speculative instructions.
5924 (sched_init): Initialize new variables.
5925 (sched_finish): Free new variables. Print statistics.
5926 (try_ready): Added code to handle speculative instructions.
5927 * lists.c (copy_DEPS_LIST_list): New function.
5928 * sched-deps.c (extend_dependency_caches): New function. Move logic
5929 from create_dependency_caches to here.
5930 (get_dep_weak, ds_merge): Make global.
5931 * genattr.c (main): Code to output prototype for
5932 dfa_clear_single_insn_cache.
5933 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5934 (output_dfa_clean_insn_cache_func): Code to output
5935 dfa_clear_single_insn_cache function.
5936 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5938 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5940 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5941 New static variables.
5942 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5943 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5945 (ebb_sched_info): Initialize new fields.
5946 (get_block_head_tail): Adjust all uses.
5947 (compute_jump_reg_dependencies): Fixed to use glat_start.
5948 (schedule_ebb): Code to remove unreachable last block.
5949 (schedule_ebbs): Added code to update register live information.
5950 * sched-rgn.c (region_sched_info): Initialize new fields.
5951 (get_block_head_tail): Adjust all uses.
5952 (last_was_jump): Removed. Adjust users.
5953 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5954 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5955 Implement new hooks.
5956 (check_dead_notes1): New static function.
5957 (struct region): New fields: dont_calc_deps, has_real_ebb.
5958 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5959 (BB_TO_BLOCK): Fixed to handle EBBs.
5960 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5961 (ebb_head): New static variable.
5962 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5963 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5965 (compute_dom_prob_ps): New assertion.
5966 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5967 global_live_at_start.
5968 (init_ready_list): New assertions.
5969 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5970 (new_ready): Add support for BEGIN_CONTROL speculation.
5971 (schedule_insns): Fixed code that updates register live information
5973 (schedule_region): Fixed to handle EBBs.
5974 (init_regions): Use extend_regions and check_dead_notes1.
5975 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5976 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5977 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5978 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5979 TARGET_SCHED_GEN_CHECK,
5980 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5981 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5982 * doc/invoke.texi (max-sched-insn-conflict-delay,
5983 sched-spec-prob-cutoff): Document.
5985 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5987 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5988 inter_tick, queue_index.
5989 (struct sched_info): Change signature of init_ready_list field.
5990 Adjust all initializations.
5991 (RESOLVED_DEPS): New access macro.
5992 (ready_add): Remove prototype.
5993 (try_ready): Add prototype.
5994 * sched-rgn.c (init_ready_list): Use try_ready.
5995 (schedule_region): Initialize
5996 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5997 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5998 (init_ready_list): Use try_ready.
5999 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6000 * lists.c (remove_list_elem): Remove `static'.
6001 (remove_free_INSN_LIST_elem): New function.
6002 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6003 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6004 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6006 (readyp): New variable.
6007 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6008 change_queue_index, resolve_dep): New static functions.
6009 (try_ready): New function. Adjust callers in sched-rgn.c and
6010 sched-ebb.c to use it instead of ready_add.
6011 (clock_var): Move at the begining of file.
6012 (rank_for_schedule): Fix typo.
6013 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6014 (ready_lastpos): Enforce assertion.
6015 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6017 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6018 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6019 (queue_to_ready): Use free_INSN_LIST_list.
6020 (early_queue_to_ready): Fix typo.
6021 (schedule_block): Init readyp. Move init_ready_list call after the
6022 initialization of clock_var. Fix error in rejecting insn by
6023 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6024 that previously corrected INSN_TICKs. Add code for handling
6026 (set_priorities): Fix typo.
6027 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6028 Clarify comment and code that keeps current_sched_info->next_tail
6031 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6033 * sched-rgn.c (extend_rgns): New static function.
6034 (find_rgns): Use it.
6035 (gather_region_statistics, print_region_statistics): New static
6037 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6038 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6040 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6041 Andrey Belevantsev <abel@ispras.ru>
6043 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6044 * lists.c (unused_deps_list): New variable.
6045 (free_list): Add assertions to verify the proper distinguishing
6046 between INSN_LISTs and DEPS_LISTs.
6047 (find_list_elem, remove_list_elem, remove_list_node): New static
6049 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6050 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6051 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6052 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6054 (free_INSN_LIST_node): Likewise.
6055 * modulo-sched.c (current_sched_info): Initialize flags field.
6056 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6057 * rtl.def (DEPS_LIST): Define.
6058 * rtl.h: Declare new functions from lists.c.
6059 * sched-deps.c (spec_dependency_cache): New static variable.
6060 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6061 (add_dependence): Change return type to void. Move the logic to ...
6062 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6063 (delete_all_dependences): Add comment about forward_dependency_cache.
6064 Handle spec_dependency_cache. Handle DEPS_LISTs.
6065 (fixup_sched_groups): Clarify the change of priority of output
6066 and anti dependencies.
6067 (sched_analyze_2): Adjust add_dependence calls to create data
6068 speculative dependence.
6069 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6070 Adjust all callers. Handle DEPS_LISTS.
6071 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6072 presence of speculation.
6073 (init_dependency_caches, free_dependency_caches):
6074 Handle spec_dependency_cache.
6075 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6076 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6077 New static functions.
6078 (add_or_update_back_dep, add_or_update_back_forw_dep,
6079 add_back_forw_dep, delete_back_forw_dep): New functions.
6080 * sched-int.h (ds_t, dw_t): New typedefs.
6081 (struct sched_info): Add new field flags.
6082 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6083 Prototype new sched-deps.c functions.
6084 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6085 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6086 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6087 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6088 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6089 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6091 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6093 * sched-rgn.c (current_sched_info): Initialize flags field.
6094 (schedule_insns): Initialize current_sched_info before the sched_init
6096 * sched-ebb.c (current_sched_info): Initialize flags field.
6097 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6098 Call add_or_update_back_dep instead of add_dependence.
6099 Create control speculative dependencies.
6100 (schedule_insns): Initialize current_sched_info before the sched_init
6103 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6105 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6107 (sh_fallback_frame_state): Likewise.
6109 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6111 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6112 Do switch on default_use_cxa_atexit.
6113 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6114 * config/darwin-crt3.o: New.
6115 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6116 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6117 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6119 * config/rs6000/t-darwin: Move crt2.o building to here.
6120 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6121 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6124 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6126 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6127 from '! xxx' to '!xxx' for coding-style conformance.
6128 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6129 (EXTRA_CONSTRAINT): Likewise.
6130 * config/vax/vax.md (four unnamed insns): Likewise.
6132 2006-03-15 Paul Brook <paul@codesourcery.com>
6134 * config/arm/arm.c (minipool_pad): New.
6135 (add_minipool_forward_ref): Include pool alignment padding in address
6137 (push_minipool_fix): Set minipool_pad.
6138 (minipool_pad): Ditto.
6140 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6142 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6143 instead of GET_CODE() == MEM and REG_P() instead of
6145 (print_operand_address): Likewise.
6146 (vax_address_cost): Likewise.
6147 (vax_rtx_costs): Likewise.
6148 (vax_notice_update_cc): Likewise.
6149 (vax_output_int_add): Likewise.
6150 (INDEX_REGISTER_P): Likewise.
6151 (BASE_REGISTER_P): Likewise.
6152 (nonindexed_address_p): Likewise.
6153 (vax_mode_dependent_address_p): Likewise.
6154 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6155 (PRINT_OPERAND): Likewise.
6156 * config/vax/vax.md (ashlsi3): Likewise.
6157 (ashlsi3): Likewise.
6158 (some more unnamed insns): Likewise.
6160 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6162 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6163 iterator-style macro.
6164 (mark_control_dependent_edges_necessary): Update the use of
6165 EXECUTE_IF_CONTROL_DEPENDENT.
6167 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6169 * config/sh/predicates.md (cache_address_operand): Special.
6170 (ua_address_operand): Likewise.
6172 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6174 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6176 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6178 2006-03-15 Andreas Schwab <schwab@suse.de>
6180 * gensupport.c (identify_predicable_attribute): Don't free p_false
6181 when it is still in use.
6183 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6185 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6186 the default setting here.
6188 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6190 * tree-pass.h (pass_cfg): Remove.
6191 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6192 * passes.c (pass_cfg): Don't run it.
6194 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6196 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6197 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6199 (stack_regs_mentioned): Update the uses of
6200 stack_regs_mentioned_data. Don't access the array beyond its
6202 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6203 Don't include gt-reg-stack.h.
6205 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6206 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6208 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6211 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6214 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6216 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6218 2006-03-14 Richard Guenther <rguenther@suse.de>
6220 PR tree-optimization/26672
6221 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6224 2006-03-14 Richard Guenther <rguenther@suse.de>
6226 PR tree-optimization/26667
6227 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6228 node for the callees. Always allow inlining if it will shrink
6231 2006-03-14 Richard Guenther <rguenther@suse.de>
6234 * builtins.c (get_pointer_alignment): Prefer alignment
6235 information from decls over that from types.
6237 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6240 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6242 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6244 * config/rs6000/rs6000.opt (mdlmzb): New option.
6245 (msched-prolog, msched-epilog): Use Var not Mask.
6246 * doc/invoke.texi (-mdlmzb): Document.
6247 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6249 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6250 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6252 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6254 PR rtl-optimization/25739
6255 * bt-load.c (augment_live_range): Free tos pointer.
6257 * gensupport.c (identify_predicable_attribute): Free
6259 * gcov.c (create_file_names): Free name pointer.
6261 2006-03-13 Roger Sayle <roger@eyesopen.com>
6264 * stmt.c (emit_case_nodes): Handle the case where the index is a
6265 CONST_INT, where the comparison mode is specified by the index type.
6267 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6269 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6272 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6274 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6275 (*branch_fp_inverted): Likewise.
6277 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6280 * omp-low.c (expand_omp_for_generic): Mark istart0
6281 and iend0 as addressable.
6283 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6285 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6287 2006-03-13 Jeff Law <law@redhat.com>
6289 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6290 virtual operands are interesting.
6291 (vrp_visit_stmt): Corresponding changes.
6293 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6295 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6297 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6298 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6299 * config/bfin/crti.S: Use it instead of __PIC__.
6300 * config/bfin/crtn.S: Likewise.
6302 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6303 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6305 Lose 'G' modifier for call operand.
6306 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6307 recognize 'G' modifier.
6309 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6312 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6313 * stmt.c (expand_case): Likewise.
6315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6317 PR rtl-optimization/26254
6318 * loop-invariant.c (seq_insns_valid_p): New function.
6319 (move_invariant_reg): Only emit new code if it is valid.
6321 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6323 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6325 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6326 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6327 (commit_one_edge_insertion): Do not look for loop notes.
6329 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6331 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6332 flag_test_coverage out of loop.
6334 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6336 * final.c (shorten_branches): Remove outdated comment, and turn
6337 the if branch that guards it to continue.
6339 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6341 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6342 * cfgloop.h (struct loop): Remove unused fields.
6344 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6346 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6347 (-dL, -fdump-rtl-loop2): Update the dump file names
6349 * doc/invoke.texi: Update dump file names.
6351 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6353 * predict.c (estimate_probability): Remove.
6354 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6355 * basic-block.h (estimate_probability): Remove prototype.
6356 * passes.c (finish_optimization_passes): Dump branch prediction or
6357 profiling heuristics to the .profile tree dump.
6358 (init_optimization_passes): Unqueue pass_branch_prob.
6360 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6362 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6364 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6365 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6367 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6369 * function.h (frame_offset_overflow): Declare.
6370 * function.c (frame_offset_overflow): New function.
6371 (assign_stack_local_1): Call it to detect that the offset overflows.
6372 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6374 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6376 * config/sh/sh.c: Include alloc-pool.h.
6377 (label_ref_list_pool): New alloc pool.
6378 (label_ref_list_t): New type for lists of labels.
6379 (struct pool_node): Make wend a label_ref_list_t.
6380 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6382 (dump_table): Likewise.
6383 (sh_reorg): Set up the alloc pool before using add_constant and
6384 dump_table, and destroy it when finishing.
6386 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6388 * config/mips/mips.c: Remove redundant comment.
6390 2006-03-10 Jason Merrill <jason@redhat.com>
6393 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6394 the target was declared 'register'.
6396 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6398 * genpreds.c (write_insn_constraint_len): Change definition of
6399 insn_constraint_len to return size_t to match the declaration.
6401 2006-03-10 DJ Delorie <dj@redhat.com>
6403 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6405 (m32c_expand_insv): Fix test for an AND mask.
6407 2006-03-10 Richard Guenther <rguenther@suse.de>
6410 * builtins.c (get_pointer_alignment): Handle component
6411 references for field alignment.
6413 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6415 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6416 when building with libgloss.
6417 (sh*elf): Implement --without-fp option.
6418 (sh64-superh-linux*): Don't multilib.
6420 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6422 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6424 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6426 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6427 Set it when one of the replacement functions returned true.
6428 Return TODO_cleanup_cfg if cfgchanged is true.
6429 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6431 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6433 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6434 instead of gen_lowpart.
6436 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6438 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6440 (mips_output_order_conditional_branch): Declare.
6441 * config/mips/mips.h (MIPS_BRANCH): New macro.
6442 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6443 for the comparison. Use gen_condjump.
6444 (mips_output_conditional_branch): Rework interface to take the
6445 asm templates for a direct branch and the inverse of a direct branch.
6446 (mips_output_order_conditional_branch): New function.
6447 (mips_builtin_branch_and_move): New function.
6448 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6449 branch condition. Use gen_single_cc as the condition for
6450 __builtin_mips_upper_* or __builtin_mips_lower_*.
6451 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6452 Use VOIDmode for the branch condition.
6453 * config/mips/predicates.md (order_operator): New predicate.
6454 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6455 (branch_fp): Rename to...
6456 (*branch_fp): ...this. Remove mode from comparison operator.
6457 Use new mips_output_conditional_branch interface.
6458 (branch_fp_inverted): Rename to...
6459 (*branch_fp_inverted): ...this and update as for *branch_fp.
6460 (*branch_zero<mode>): Rename to...
6461 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6462 Use mips_output_order_conditional_branch. Only accept ordered
6464 (*branch_zero<mode>_inverted): Rename to...
6465 (*branch_order<mode>_inverted): ...this and update as for
6466 *branch_order<mode>.
6467 (*branch_equality<mode>): Accept zero as the second operand to
6468 the equality operator. Use the new mips_output_conditional_branch
6470 (*branch_equality<mode>_inverted): Likewise.
6471 (condjump): New expander.
6472 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6474 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6475 (bc1any2t, bc1any2f): Likewise.
6476 (single_cc): New expander.
6477 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6479 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6481 * doc/md.texi: Update documentation of MIPS constraints.
6482 * config/mips/constraints.md: New file.
6483 * config/mips/mips.md: Include it.
6484 * config/mips/mips.c (mips_char_to_class): Delete.
6485 (override_options): Don't initialize mips_char_to_class.
6486 * config/mips/mips.h (mips_char_to_class): Delete.
6487 (REG_CLASS_FROM_LETTER): Delete.
6488 (CONST_OK_FOR_LETTER_P): Delete.
6489 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6490 (EXTRA_CONSTRAINT_Y): Delete.
6491 (EXTRA_CONSTRAINT_STR): Delete.
6492 (CONSTRAINT_LEN): Delete.
6493 (EXTRA_MEMORY_CONSTRAINT): Delete.
6495 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6497 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6498 original fn's eh regions.
6500 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6502 * fold-const.c (build_range_check): Make sure to use a valid type to
6503 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6506 (range_predecessor): New static function.
6507 (range_successor): Likewise.
6508 (merge_ranges): Use them to compute predecessors and successors of
6511 2006-03-09 Roger Sayle <roger@eyesopen.com>
6514 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6515 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6517 2006-03-08 DJ Delorie <dj@redhat.com>
6519 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6520 (addpsi3): Expand to include memory operands. Remove
6521 reload-specific splits.
6522 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6523 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6524 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6525 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6526 (shift1_qi, shift1_hi, insv): New.
6527 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6528 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6529 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6531 * config/m32c/m32c-protos.h: Update as needed.
6532 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6533 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6534 Fail for unrecognized R* constraints.
6535 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6536 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6537 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6539 (m32c_init_libfuncs): New.
6540 (m32c_legitimate_address_p): Add debug wrapper.
6541 (m32c_rtx_costs): New.
6542 (m32c_address_cost): New.
6543 (conversions): Add 'B' prefix.
6544 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6545 operands, or word regnames for QI operands. 'B' prints bit
6547 (m32c_expand_setmemhi): New.
6548 (m32c_expand_movmemhi): New.
6549 (m32c_expand_movstr): New.
6550 (m32c_expand_cmpstr): New.
6551 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6552 (m32c_expand_neg_mulpsi3): Handle non-ints.
6553 (m32c_cmp_flg_0): New.
6554 (m32c_expand_movcc): New.
6555 (m32c_expand_insv): New.
6556 (m32c_scc_pattern): New.
6557 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6558 a0/a1 out of SIregs.
6559 (STORE_FLAG_VALUE): New.
6560 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6563 * config/m32c/mov.md: Make constraints more liberal.
6564 (zero_extendqihi2): Optimize r0/r1 case.
6565 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6566 * config/m32c/predicates.md (m32c_any_operand): New.
6567 (m32c_nonimmediate_operand): New.
6568 (m32c_hl_operand): New.
6569 (m32c_r3_operand): New.
6572 (memsym_operand): New.
6573 (memimmed_operand): New.
6574 (a_qi_operand): New.
6575 (m32c_eqne_operator): New.
6576 (m32c_1bit8_operand): New.
6577 (m32c_1bit16_operand): New.
6578 (m32c_1mask8_operand): New.
6579 (m32c_1mask16_operand): New.
6580 * config/m32c/blkmov.md: New file.
6581 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6583 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6585 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6586 unsigned to fix signed/unsigned comparison issue in
6587 DWARF2_FRAME_REG_OUT.
6588 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6589 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6591 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6592 of ptr into the ENABLE_CHECKING section.
6594 2006-03-08 Jeff Law <law@redhat.com>
6596 * tree-vrp.c (infer_value_range): Only count pointer uses
6597 and dereferences if -fdelete-null-pointer-checks is enabled.
6599 * tree-vrp.c (find_assert_locations): Infer value ranges for
6600 single use pointers, but do not create ASSERT_EXPRs for them.
6601 When a non-null range is inferred for a pointer, backwards
6602 propagate that range to other equivalent pointers through the
6605 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6608 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6609 language hook targets.
6610 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6611 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6612 if language hook targets were missing.
6614 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6616 * tree-ssa-opfinalize.h: Removed.
6617 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6619 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6620 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6621 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6622 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6623 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6624 finalize_ssa_v_must_def_ops): New.
6626 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6628 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6631 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6633 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6635 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6636 addresses with offsets; reorganize.
6638 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6639 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6640 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6642 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6645 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6647 2006-03-08 Ben Elliston <bje@au.ibm.com>
6649 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6651 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6654 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6657 2006-03-07 Richard Guenther <rguenther@suse.de>
6659 PR tree-optimization/26587
6660 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6662 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6664 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6666 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6668 * hooks.c (hook_bool_mode_rtx_true): New function.
6669 * hooks.h (hook_bool_mode_rtx_true): Declare.
6670 * toplev.c (compile_file): Call output_shared_constant_pool.
6671 * varasm.c (shared_constant_pool): New variable.
6672 (assemble_start_function, assemble_end_function): Remove arguments
6673 from call to output_constant_pool.
6674 (create_constant_pool): New function, split out from...
6675 (init_varasm_status): ...here.
6676 (force_const_mem): Choose between the shared and per-function constant
6677 pools. Set current_function_uses_const_pool when reusing old entries
6678 as well as when creating new ones.
6679 (mark_constant): Ignore data argument.
6680 (mark_constants): Remove pool argument.
6681 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6682 to decide whether the function uses a constant pool.
6683 (output_constant_pool_contents): New function, split out from...
6684 (output_constant_pool): ...here.
6685 (output_shared_constant_pool): New function.
6686 (init_varasm_once): Initialize shared_constant_pool.
6687 * output.h (output_constant_pool): Delete.
6688 (output_shared_constant_pool): Declare.
6689 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6690 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6692 2006-03-06 Nick Clifton <nickc@redhat.com>
6694 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6695 flag_strength_reduce.
6697 2006-03-06 Ben Elliston <bje@au.ibm.com>
6699 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6700 x86_64-*-linux* configurations.
6702 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6703 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6705 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6707 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6709 * basic-block.h: Remove the extern for
6710 rediscover_loops_after_threading.
6712 * cfgloop.c (cancel_loop): Make it static.
6713 * cfgloop.h: Remove the prototype for cancel_loop.
6715 * flow.c (recompute_reg_usage): Make it static.
6716 * rtl.h: Remove the prototype for recompute_reg_usage.
6718 * function.c (use_return_register): Make it static.
6719 * function.h: Remove the prototype.
6721 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6723 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6725 * recog.h: Remove the prototype for
6726 validate_change_maybe_volatile.
6728 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6730 * rtlanal.c (replace_reg): Remove.
6731 * rtl.h: Remove the prototype for replace_reg.
6733 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6735 * regclass.c (reg_scan_update): Remove.
6736 (reg_scan_mark_refs): Remove the last argument.
6737 * rtl.h: Remove the prototype for reg_scan_update.
6739 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6741 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6742 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6743 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6744 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6745 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6746 loop-invariant.c, omp-low.c, opts.c, passes.c,
6747 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6748 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6749 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6750 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6751 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6752 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6754 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6756 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6757 * dwarf2out.h: Remove the prototype for
6758 dwarf2out_add_library_unit_info.
6760 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6762 * tree.c (add_var_to_bind_expr): Remove.
6763 * tree.h: Remove the prototype for add_var_to_bind_expr.
6765 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6767 * regclass.c (n_non_fixed_regs): Remove.
6768 (init_reg_sets_1, globalize_reg): Remove all uses of
6770 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6772 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6774 * rtlanal.c (insns_safe_to_move_p): Remove.
6775 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6777 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6779 * expmed.c (expand_mult_add): Remove.
6780 * expr.h: Remove the prototype for expand_mult_add.
6782 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6784 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6785 and REG_SAVED_VAL_EXP constants.
6786 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6787 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6788 Handle regs stored by value.
6789 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6790 (execute_cfa_program): Handle DW_CFA_val_offset,
6791 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6792 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6793 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6794 (uw_install_context_1): Handle target regs stored by value.
6796 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6798 * tree-sra.c (tree_sra): Return todoflags;
6799 (generate_one_element): Set TODO_update_smt_usage if needed.
6800 (pass_sra): Remove TODO_update_smt_usage.
6801 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6803 (tree_ssa_forward_propagate_single_use_vars): Return
6804 TODO_update_smt_usage if we need to update SMT usage.
6805 (pass_forwprop): Remove TODO_update_smt_usage.
6807 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6809 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6810 (correct_use_link): Remove reference to get_stmt_operands.
6811 (update_stmt_operands): Likewise.
6812 (get_modify_expr_operands): New function factored out of
6813 parse_ssa_operands and get_expr_operands.
6814 Try to create V_MUST_DEFs for LHS by default.
6815 (get_expr_operands) <case MODIFY_EXPR>: Call
6816 get_modify_expr_operands.
6817 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6818 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6819 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6820 get_modify_expr_operands.
6822 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6824 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6825 * tree-flow.h: Remove the prototype for
6826 referenced_var_lookup_if_exists.
6828 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6830 PR rtl-optimization/26345
6832 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6834 2006-03-03 Roger Sayle <roger@eyesopen.com>
6836 PR tree-optimization/26524
6837 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6838 fold_convert to create a constant of the appropriate type.
6840 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6842 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6843 SYMBOL_REF_IN_BLOCK_P.
6844 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6845 of SYMBOL_FLAG_IN_BLOCK.
6846 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6847 instead of SYMBOL_REF_IN_BLOCK_P.
6848 * explow.c (use_anchored_address): Likewise.
6849 * rtl.c (rtx_size): Likewise.
6850 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6851 instead of SYMBOL_FLAG_IN_BLOCK.
6852 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6853 SYMBOL_REF_IN_BLOCK_P.
6854 (assemble_variable): Likewise.
6855 (output_constant_def_contents): Likewise.
6856 (output_constant_pool): Likewise.
6857 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6858 instead of SYMBOL_FLAG_IN_BLOCK.
6859 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6860 SYMBOL_REF_IN_BLOCK_P.
6861 (SYMBOL_REF_BLOCK): Likewise.
6862 (SYMBOL_REF_OFFSET): Likewise.
6863 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6864 SYMBOL_REF_IN_BLOCK_P.
6865 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6866 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6867 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6868 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6870 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6872 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6874 2006-03-02 Roger Sayle <roger@eyesopen.com>
6876 * simplify-rtx.c (simplify_unary_operation): When simplifying
6877 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6878 that we perform the right shift in the appropriate mode, and
6879 then extend or truncate the result to requested mode.
6881 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6883 * gengtype.c (main): Handle double_int type.
6884 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6885 * double-int.c: New file.
6886 * double-int.h: New file.
6887 * system.h: Include doubleint.h.
6888 * Makefile.in (SYSTEM_H): Include double-int.h.
6889 (double-int.o): Add.
6891 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6894 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6897 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6899 * tree-vrp.c (remove_range_assertions): Do not update statements
6902 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6904 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6906 * gcse.c (rest_of_handle_gcse): Ditto.
6907 * except.c (gate_handle_eh): Ditto.
6908 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6909 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6911 2006-03-02 Eric Christopher <echristo@apple.com>
6913 * config/i386/i386.c (machopic_output_stub): Add indirection to
6916 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6920 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6922 Sun Niagara specific optimizations.
6923 * config.gcc: Recognize niagara as target.
6924 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6925 (TARGET_CPU_niagara): Define.
6926 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6927 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6928 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6929 (ASM_CPU_SPEC): Likewise.
6930 (PROCESSOR_NIAGARA): New enum entry.
6931 (REGISTER_MOVE_COST): Handle Niagara.
6932 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6933 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6934 (sparc_override_options): Recognize "niagara", set appropriate
6935 default MASK_* values for it, and align functions to 32-bytes
6936 by default just like ULTRASPARC/ULTRASPARC3.
6937 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6938 (sparc64_initialize_trampoline): Likewise.
6939 (sparc_use_sched_lookahead): Use zero for niagara.
6940 (sparc_issue_rate): Use one for niagara.
6941 * config/sparc/niagara.md: New file.
6942 * config/sparc/sparc.md: Include it.
6943 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6944 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6945 when default cpu is niagara.
6946 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6947 (ASM_CPU_SPEC): Likewise.
6948 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6949 when default cpu is niagara.
6950 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6951 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6952 just like v9/ultrasparc/ultrasparc3.
6953 * doc/invoke.texi: Add documentation for "niagara" and improve
6954 existing documentation for ultrasparc variants.
6956 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6958 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6960 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6962 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6963 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6964 and say that only one is needed.
6965 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6966 * target.h (have_switchable_bss_sections): New hook.
6967 * explow.c (use_anchored_address): Check that the symbol is in a block.
6968 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6969 (bss_noswitch_section): New variables.
6970 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6971 (get_noswitch_section): New function.
6972 (get_block_for_section): Allow SECT to be null.
6973 (unlikely_text_section_p): Use SECTION_STYLE.
6974 (bss_initializer_p): New function.
6975 (get_variable_section): Move earlier in file. Take a new argument,
6976 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6977 Return one of the new *_sections in such cases.
6978 (get_block_for_decl): New function, extracting some logic from
6979 use_blocks_for_decl_p.
6980 (change_symbol_section): Remove in favor of...
6981 (change_symbol_block): ...this new function.
6982 (use_blocks_for_decl_p): Remove checks now performed by
6984 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6985 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6986 (emit_local, emit_bss, emit_common): ...these new functions.
6987 Return true if the alignment was honored.
6988 (emit_tls_common): New function.
6989 (asm_emit_uninitialised): Delete.
6990 (assemble_variable_noswitch): New function, split out from...
6991 (assemble_variable): ...here. Don't make decisions about common
6992 variables here. Globalize all public decls that go into non-common
6993 sections. Check whether SYMBOL_REF_BLOCK is null.
6994 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6995 (output_constant_pool): Likewise.
6996 (init_varasm_once): Initialize the new section variables.
6997 (have_global_bss_p): New function.
6998 (categorize_decl_for_section): Use bss_initializer_p.
6999 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7000 (place_block_symbol): Assert that the symbol must be in a block.
7001 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7002 (TARGET_INITIALIZER): Include it.
7003 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7004 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7005 (SECTION_MACH_DEP): Bump by two.
7006 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7007 (unnamed_section): Mention SECTION_UNNAMED in comment.
7008 (named_section): Likewise SECTION_NAMED.
7009 (noswitch_section_callback): New type.
7010 (noswitch_section): New structure.
7011 (section): Add a noswitch_section alternative.
7012 (SECTION_STYLE): New macro.
7013 (tls_comm_section, comm_section, lcomm_section): Declare.
7014 (bss_noswitch_section, have_global_bss_p): Declare.
7015 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7016 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7018 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7019 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7022 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7024 * tree-vrp.c (execute_vrp): Return value.
7025 * regrename.c (rest_of_handle_regrename): Ditto.
7026 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7027 * tree-complex.c (tree_lower_complex): Ditto.
7028 (tree_lower_complex_O0): Ditto.
7029 * tracer.c (rest_of_handle_tracer): Ditto.
7030 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7031 * postreload.c (rest_of_handle_postreload): Ditto.
7032 * tree-tailcall.c (execute_tail_recursion): Ditto.
7033 (execute_tail_calls): Ditto.
7034 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7035 * tree.h (init_function_for_compilation): Ditto.
7036 * ipa-cp.c (ipcp_driver): Ditto.
7037 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7038 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7039 * final.c (compute_alignments): Ditto.
7040 (rest_of_handle_final): Ditto.
7041 (rest_of_handle_shorten_branches): Ditto.
7042 (rest_of_clean_state): Ditto.
7043 * omp-low.c (execute_expand_omp): Ditto.
7044 (execute_lower_omp): Ditto.
7045 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7046 * ipa-reference.c (static_execute): Ditto.
7047 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7048 * reorg.c (rest_of_handle_delay_slots): Ditto.
7049 (rest_of_handle_machine_reorg): Ditto.
7050 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7051 * flow.c (recompute_reg_usage): Ditto.
7052 (rest_of_handle_remove_death_notes): Ditto.
7053 (rest_of_handle_life): Ditto.
7054 (rest_of_handle_flow2): Ditto.
7055 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7056 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7057 (do_ssa_store_ccp): Ditto.
7058 (execute_fold_all_builtins): Ditto.
7059 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7060 * modulo-sched.c (rest_of_handle_sms): Ditto.
7061 * ipa-pure-const.c (static_execute): Ditto.
7062 * cse.c (rest_of_handle_cse): Ditto.
7063 (rest_of_handle_cse2): Ditto.
7064 * web.c (rest_of_handle_web): Ditto.
7065 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7066 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7067 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7068 * tree-nrv.c (tree_nrv): Ditto.
7069 (execute_return_slot_opt): Ditto.
7070 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7071 (create_structure_vars): Ditto.
7072 * loop-init.c (rtl_loop_init): Ditto.
7073 (rtl_loop_done): Ditto.
7074 (rtl_move_loop_invariants): Ditto.
7075 (rtl_unswitch): Ditto.
7076 (rtl_unroll_and_peel_loops): Ditto.
7077 (rtl_doloop): Ditto.
7078 * gimple-low.c (lower_function_body): Ditto.
7079 (mark_used_blocks): Ditto.
7080 * tree-ssa-sink.c (execute_sink_code): Ditto.
7081 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7082 (cgraph_early_inlining): Ditto.
7083 * global.c (rest_of_handle_global_alloc): Ditto.
7084 * jump.c (cleanup_barriers): Ditto.
7085 (purge_line_number_notes): Ditto.
7086 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7087 (rest_of_handle_if_after_reload): Ditto.
7088 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7089 (tree_ssa_loop_im): Ditto.
7090 (tree_ssa_loop_unswitch): Ditto.
7091 (tree_vectorize): Ditto.
7092 (tree_linear_transform): Ditto.
7093 (tree_ssa_loop_ivcanon): Ditto.
7094 (tree_ssa_empty_loop): Ditto.
7095 (tree_ssa_loop_bounds): Ditto.
7096 (tree_complete_unroll): Ditto.
7097 (tree_ssa_loop_prefetch): Ditto.
7098 (tree_ssa_loop_ivopts): Ditto.
7099 (tree_ssa_loop_done): Ditto.
7100 * predict.c (tree_estimate_probability): Ditto.
7101 * recog.c (split_all_insns_noflow): Ditto.
7102 (rest_of_handle_peephole2): Ditto.
7103 (rest_of_handle_split_all_insns): Ditto.
7104 * tree-eh.c (lower_eh_constructs): Ditto.
7105 * regmove.c (rest_of_handle_regmove): Ditto.
7106 (rest_of_handle_stack_adjustments): Ditto.
7107 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7108 * function.c (instantiate_virtual_regs): Ditto.
7109 (init_function_for_compilation): Ditto.
7110 (rest_of_handle_check_leaf_regs): Ditto.
7111 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7112 (rest_of_handle_gcse): Ditto.
7113 * ipa-type-escape.c (type_escape_execute): Ditto.
7114 * alias.c (rest_of_handle_cfg): Ditto.
7115 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7116 * profile.c (rest_of_handle_branch_prob): Ditto.
7117 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7118 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7119 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7120 * tree-dfa.c (find_referenced_vars): Ditto.
7121 * except.c (set_nothrow_function_flags): Ditto.
7122 (convert_to_eh_region_ranges): Ditto.
7123 (rest_of_handle_eh): Ditto.
7124 * emit-rtl.c (unshare_all_rtl): Ditto.
7125 (remove_unnecessary_notes): Ditto.
7126 * except.h (set_nothrow_function_flags): Ditto.
7127 (convert_to_eh_region_ranges): Ditto.
7128 * cfgexpand.c (tree_expand_cfg): Ditto.
7129 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7130 * tree-ssa-pre.c (do_pre): Ditto.
7131 (execute_fre): Ditto.
7132 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7133 (rest_of_handle_jump2): Ditto.
7134 * tree-sra.c (tree_sra): Ditto.
7135 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7136 (execute_mudflap_function_decls): Ditto.
7137 * tree-ssa-copy.c (do_copy_prop): Ditto.
7138 (do_store_copy_prop): Ditto.
7139 * ipa-prop.h (ipcp_driver): Ditto.
7140 * cfglayout.c (insn_locators_initialize): Ditto.
7141 * tree-ssa-forwprop.c
7142 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7143 * cfglayout.h (insn_locators_initialize): Ditto.
7144 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7145 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7146 (execute_late_warn_uninitialized): Ditto.
7147 * rtl.h (cleanup_barriers): Ditto.
7148 (split_all_insns_noflow): Ditto.
7149 (purge_line_number_notes): Ditto.
7150 (unshare_all_rtl): Ditto.
7151 (remove_unnecessary_notes): Ditto.
7152 (recompute_reg_usage): Ditto.
7153 (variable_tracking_main): Ditto.
7154 * integrate.c (emit_initial_value_sets): Ditto.
7155 * integrate.h (emit_initial_value_sets): Ditto.
7156 * tree-optimize.c (execute_free_datastructures): Ditto
7157 (execute_free_cfg_annotations): Ditto.
7158 (execute_fixup_cfg): Ditto.
7159 (execute_cleanup_cfg_pre_ipa): Ditto.
7160 (execute_cleanup_cfg_post_optimizing): Ditto.
7161 (execute_init_datastructures): Ditto.
7162 * tree-object-size.c (compute_object_sizes): Ditto.
7163 * combine.c (rest_of_handle_combine): Ditto.
7164 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7165 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7166 (rest_of_handle_reorder_blocks): Ditto.
7167 (rest_of_handle_partition_blocks): Ditto.
7168 * var-tracking.c (variable_tracking_main): Ditto.
7169 * tree-profile.c (tree_profiling): Ditto.
7170 * tree-vect-generic.c (expand_vector_operations): Ditto.
7171 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7172 * sched-rgn.c (rest_of_handle_sched): Ditto.
7173 (rest_of_handle_sched2): Ditto.
7174 * basic-block.h (free_bb_insn): Ditto.
7175 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7176 * tree-cfg.c (execute_build_cfg): Ditto.
7177 (remove_useless_stmts): Ditto.
7178 (split_critical_edges): Ditto.
7179 (execute_warn_function_return): Ditto.
7180 (execute_warn_function_noreturn): Ditto.
7181 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7182 * cfgrtl.c (free_bb_for_insn): Ditto.
7183 * passes.c (execute_one_pass): Run additional
7184 todos returned by execute function.
7185 * tree-pass.h (struct tree_opt_pass): Make execute
7188 2006-03-02 Richard Guenther <rguenther@suse.de>
7190 * tree-ssa-alias.c (find_used_portions): Consider taking
7191 the address as making the variable not write-only.
7193 2006-03-02 Nick Clifton <nickc@redhat.com>
7195 * config.gcc (default_use_cxa_atexit): Extend the description of
7196 this configure variable. Set its default value to "yes" for
7197 Linux, NetBSD and ELF targets on the assumption that they will
7198 use C libraries with the __cxa_atexit function.
7200 2006-03-02 Ben Elliston <bje@au.ibm.com>
7202 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7203 parameter as unused to suppress a build warning.
7205 2006-03-02 Ben Elliston <bje@au.ibm.com>
7207 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7210 2006-03-01 Roger Sayle <roger@eyesopen.com>
7213 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7214 declared name, the weak reference name, and the typeof name.
7215 (__gthrw): Avoid expanding the declared name suffix.
7216 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7218 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7220 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7222 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7223 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7224 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7225 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7226 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7227 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7228 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7229 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7230 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7231 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7232 (DW_END_default, DW_END_big, DW_END_little): New.
7233 (DW_END_lo_user, DW_END_hi_user): Define.
7234 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7235 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7236 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7239 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7241 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7243 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7245 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7247 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7249 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7250 to 'symbol_mem_tag'.
7252 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7255 2006-03-01 Roger Sayle <roger@eyesopen.com>
7257 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7259 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7262 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7263 MACHO_DYNAMIC_NO_PIC_P.
7264 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7266 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7269 * config/darwin-protos.h (darwin_asm_output_anchor):
7271 * config/darwin-sections.def (cstring_section):
7272 Add SECTION_MERGE to the flags.
7273 (literal4_section): Likewise.
7274 (literal8_section): Likewise.
7275 (objc_selector_refs_section): Likewise.
7276 (objc_cls_refs_section): Likewise.
7277 * config/darwin.c (darwin_asm_output_anchor): New
7279 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7281 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7283 Fix PR tree-optimization/26443
7284 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7285 to todo and PROP_tmt_usage to properties_destroyed.
7286 * tree-ssa-ccp.c (pass_ccp): Ditto.
7287 (pass_store_ccp): Ditto.
7288 * tree-ssa-dom.c (pass_dominator): Ditto.
7290 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7292 * tree-ssa-operands.c: Cleanup whitespace.
7293 (get_asm_expr_operands): Move before first invocation.
7294 (get_indirect_ref_operands): Likewise.
7295 (get_tmr_operands): Likewise.
7296 (get_call_expr_operands): Likewise.
7297 (append_def): Likewise.
7298 (append_use): Likewise.
7299 (append_v_may_def): Likewise.
7300 (append_v_must_def): Likewise.
7301 (add_call_clobber_ops): Likewise.
7302 (add_call_read_ops): Likewise.
7303 (add_stmt_operand): Likewise.
7304 (add_virtual_operand): Likewise.
7305 (build_ssa_operands): Likewise.
7307 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7312 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7313 with a call expr to ...
7314 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7316 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7318 * tree-vrp.c (extract_range_from_assert): Remove special
7319 handling for types with super-types.
7321 2006-03-01 Ben Elliston <bje@au.ibm.com>
7323 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7324 and powerpc64-*-linux* configurations.
7325 * config/t-dfprules: New file.
7327 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7328 Compile dfp-bit.c from the source directory using -DWIDTH and
7329 $DFP_CFLAGS to control the compilation of that file, rather than
7330 generating width-specific versions in the build directory.
7331 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7332 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7334 2006-02-28 Zack Weinberg <zackw@panix.com>
7336 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7339 2006-02-28 Eric Christopher <echristo@apple.com>
7341 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7342 Set up IN_LIBGCC definition of TARGET_64BIT.
7343 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7345 2006-02-28 Roger Sayle <roger@eyesopen.com>
7348 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7349 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7350 cases via the construction of "expr != 0".
7352 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7354 * alias.c (alias_invariant, alias_invariant_size): Remove.
7355 (record_base_value): Remove.
7356 (memrefs_conflict_p): Don't look at alias_invariant.
7357 (end_alias_analysis): Don't free it.
7358 * alias.h (record_base_value): Remove prototype.
7360 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7361 Adam Nemet <anemet@caviumnetworks.com>
7363 * rtl.h (truncated_to_mode): Declare it.
7364 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7365 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7366 (RTL_HOOKS_INITIALIZER): Include it.
7367 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7368 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7369 reg_truncated_to_mode.
7370 * rtlanal.c (truncated_to_mode): Define it.
7371 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7373 2006-02-28 Jeff Law <law@redhat.com>
7375 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7376 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7377 the range allowed by TYPE_PRECISION.
7379 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7381 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7383 PR tree-optimization/26419
7384 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7387 2006-02-27 Zack Weinberg <zackw@panix.com>
7389 * doc/md.texi: Fix typo in previous change.
7391 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7395 2006-02-27 Zack Weinberg <zackw@panix.com>
7397 * rtl.def (define_constraint, define_register_constraint)
7398 (define_memory_constraint, define_address_constraint): New MD forms.
7399 * gensupport.c (process_rtx): Put define_constraint etc on the
7401 * genpreds.c (process_define_predicate): Adjust comment. Validate
7402 the name, and call validate_exp to validate the expression.
7403 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7404 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7405 all callers changed.
7406 (validate_exp, needs_variable, struct constraint_data)
7407 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7408 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7409 (const_dbl_constraints, constraint_max_namelen)
7410 (have_register_constraints, have_memory_constraints)
7411 (have_address_constraints, have_address_constraints)
7412 (have_extra_constraints, have_const_int_constraints)
7413 (have_const_dbl_constraints, mangle, add_constraint)
7414 (process_define_constraint, process_define_register_constraint)
7415 (write_enum_constraint_num, write_lookup_constraint)
7416 (write_insn_constraint_len, write_regclass_for_constraint)
7417 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7418 (write_insn_extra_memory_constraint)
7419 (write_insn_extra_address_constraint)
7420 (write_satisfies_constraint_fns): New.
7421 (write_tm_preds_h): If we have new-style constraint definitions,
7422 prototype the functions generated from them, and define the
7423 old constraint interface (still used by generic code) in terms of
7425 (write_insn_preds_c): If we have new-style constraint definitions,
7426 generate all relevant functions from those definitions.
7427 (main): Handle define_constraint etc.
7428 * genoutput.c (struct constraint_data, indep_constraints)
7429 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7430 (mdep_constraint_len): New data structures and functions, defined
7431 #ifdef USE_MD_CONSTRAINTS.
7432 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7433 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7434 use new logic to validate operand constraints against constraint
7436 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7438 * defaults.h: If none of the old-style constraint macros are
7439 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7440 old-style macros; and poison REG_CLASS_FROM_LETTER,
7441 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7443 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7444 * doc/md.texi: Document new constraint-definition mechanism and the
7445 C interface it provides. Remove references to old mechanism
7446 elsewhere in the document.
7447 (Machine Constraints): Use pathnames relative to gcc directory,
7448 i.e. config/ARCH/FILE. Change i386 section to refer to
7449 config/i386/predicates.md; update that section to match docstrings.
7450 * doc/tm.texi: Move all documentation of the old constraint-
7451 definition macros to their own section, clearly mark as obsolete.
7453 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7454 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7456 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7457 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7458 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7460 (splits and peepholes): Use satisfies_constraint_*.
7461 * config/i386/i386.c (memory_address_length)
7462 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7464 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7466 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7467 scalar operation to be put back into the loop.
7469 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7472 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7473 (extract_cie_info): Handle S flag in augmentation string.
7474 (execute_cfa_program): If context->signal_frame, execute also
7475 fs->pc == context->ra instructions.
7476 (uw_frame_state_for): If context->signal_frame, don't subtract one
7477 from context->ra to find FDE.
7478 (uw_update_context_1): Set context->signal_frame to
7480 (_Unwind_GetIPInfo): New function.
7481 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7482 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7484 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7485 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7486 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7487 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7488 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7489 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7490 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7491 x86_64_fallback_frame_state): Set fs->signal_frame.
7492 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7493 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7494 (frob_update_context): Likewise. Workaround missing S flag in
7495 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7496 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7497 Remove the psw_addr + 1 hack.
7499 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7501 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7502 with aggregates here.
7503 (find_func_aliases): Remove code for &<aggregate> from here.
7505 2006-02-26 Roger Sayle <roger@eyesopen.com>
7507 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7508 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7509 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7512 2006-02-26 Roger Sayle <roger@eyesopen.com>
7515 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7517 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7519 * opts.c (decode_options): Do not handle flag_strength_reduce.
7520 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7521 and OPT_fstrength_reduce.
7522 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7523 flag_prefetch_loop_arrays for being nonzero.
7524 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7526 (fprefetch-loop-arrays-rtl): Removed.
7527 (flag_prefetch_loop_arrays): Do not specify the value.
7529 * doc/passes.texi: Update documentation of loop optimizer
7531 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7532 -frerun-loop-opt): Remove.
7534 2006-02-26 Richard Guenther <rguenther@suse.de>
7536 PR tree-optimization/26421
7537 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7538 in function calls that are ADDR_EXPRs as using the whole structure.
7540 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7542 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7543 * tree-pass.h (pass_loop_optimize): Remove.
7544 * passes.c (pass_loop_optimize): Never run it.
7545 * toplev.c (backend_init): Don't call init_loop.
7546 * opts.c (flag_loop_optimize_set): Remove.
7547 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7548 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7549 the old RTL loop optimizer when profiling enabled.
7550 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7551 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7552 pre-headers for the sake of the old RTL loop optimizer.
7553 * Makefile.in: Remove all references to loop.o.
7555 * doc/invoke.texi: Remove all references to -floop-optimize
7556 and -frerun-loop-opt.
7558 2006-02-26 Zack Weinberg <zackw@panix.com>
7560 * doc/md.texi (Machine Constraints): Refer to all files with paths
7561 relative to gcc directory (i.e. config/CPU/file). Add missing
7562 @table @code ... @end table to M32C subsection.
7564 2006-02-26 Roger Sayle <roger@eyesopen.com>
7566 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7568 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7570 2006-02-26 Roger Sayle <roger@eyesopen.com>
7571 James A. Morrison <phython@gcc.gnu.org>
7574 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7575 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7576 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7577 signedness of the shift operation.
7579 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7581 PR tree-optimization/26359
7582 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7584 2006-02-25 Roger Sayle <roger@eyesopen.com>
7586 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7587 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7588 as X == 0, and some symmetry related transformations.
7589 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7591 2006-02-25 Roger Sayle <roger@eyesopen.com>
7594 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7595 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7596 symmetry related transformations. Fold (X^C1) == C2 as
7599 2006-02-25 Juergen Weigert <jw@suse.de>
7600 Richard Guenther <rguenther@suse.de>
7602 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7604 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7606 * combine.c (gen_lowpart_or_truncate): Call
7607 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7609 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7611 * doc/invoke.texi: Move -fopenmp description to "Options for
7613 Remove reference to -lgomp.
7615 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7617 * doc/install.texi: Require GNU tar version 1.14.
7619 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7621 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7622 * doc/invoke.texi (C++ Dialect Options): Document
7623 -fno-use-cxa-get-exception-ptr.
7624 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7625 * configure: Regenerate.
7626 * c.opt (fuse-cxa-get-exception-ptr): New.
7627 * c-opts.c (c_common_handle_option): Handle
7628 OPT_fuse_cxa_get_exception_ptr.
7629 * c-common.c (flag_use_cxa_atexit): Update documentation.
7630 (flag_use_cxa_get_exception_ptr): New.
7631 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7632 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7634 (C_COMMON_OVERRIDE_OPTIONS): New.
7636 2006-02-24 Roger Sayle <roger@eyesopen.com>
7639 * combine.c (try_combine): Explicitly check whether GET_CODE is
7640 a SET or a CLOBBER, instead on checking that it isn't a USE.
7642 2006-02-24 Roger Sayle <roger@eyesopen.com>
7644 * fold-const.c (fold_comparison): New subroutine of fold_binary
7645 containing transformations common to both the equality and
7646 ordering relational operators, factored out of fold_binary.
7647 (fold_binary): Separate out the equality operators (EQ_EXPR
7648 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7649 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7650 transformations common to both.
7651 (fold_div_compare): Fix latent bugs in the previously unreachable
7652 LT_EXPR and GE_EXPR cases.
7654 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7656 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7657 decl libname for clog to __clog on AIX.
7659 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7661 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7664 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7665 output traceback table for thunks. Localise rs6000_stack_info call.
7667 2006-02-23 Roger Sayle <roger@eyesopen.com>
7668 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7670 * gthr-posix.h (__gthrw): Fix typo in comment.
7672 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7674 * doc/cpp.texi (Character sets): Document that we do support
7675 input files to be in any character set.
7677 2006-02-23 Jeff Law <law@redhat.com>
7679 * tree.h (PHI_ARG_NONZERO): Remove.
7680 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7681 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7682 node to the new node.
7684 PR tree-optimization/26425
7685 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7686 min/max, then assume its varying.
7688 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7690 PR rtl-optimization/26316
7691 * rtlanal.c (enum may_trap_p_flags): New.
7692 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7693 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7694 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7695 (may_trap_after_code_motion_p): New function.
7696 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7697 (find_invariant_insn): Use may_trap_after_code_motion_p.
7698 * rtl.h (may_trap_after_code_motion_p): Declare.
7700 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7702 * emit-rtl.c (immed_double_const): Cleanup.
7704 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7706 Fix PR tree-optimization/26376
7707 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7710 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7713 * gimplify.c (omp_add_variable): Guard variable size decl test with
7714 DECL_SIZE (decl) check.
7716 2006-02-23 Richard Guenther <rguenther@suse.de>
7719 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7720 like aggregate types.
7722 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7724 * configure.ac: Add --with{,out}-long-double-128 configure option.
7725 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7726 * configure: Rebuilt.
7727 * config.in: Rebuilt.
7728 * doc/install.texi (Options specification): Document
7729 --with-long-double-128.
7731 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7732 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7733 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7734 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7736 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7738 * config/s390/s390.c (override_options): Handle
7739 TARGET_DEFAULT_LONG_DOUBLE_128.
7741 * config/alpha/alpha.c (override_options): Handle
7742 TARGET_DEFAULT_LONG_DOUBLE_128.
7744 * config/sparc/sparc.c (sparc_override_options): Handle
7745 TARGET_DEFAULT_LONG_DOUBLE_128.
7747 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7749 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7750 (real-install-headers-tar, real-install-headers-cpio)
7751 (real-install-headers-cp): New targets.
7753 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7755 * tree.h (variable_section): Delete.
7756 * varasm.c (variable_section): Delete.
7758 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7760 * install.texi: Add notes on install.texi2html.
7761 (Building in parallel): Do not use footnotes.
7763 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7766 * doc/install.texi (Configuration): Document --disable-libgomp.
7768 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7770 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7772 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7774 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7775 (vec_extractv2df_0_sse): New.
7777 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7779 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7780 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7781 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7782 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7783 to the result of the expression.
7784 (def_cfa_1): Adjust.
7785 (frame_pointer_cfa_offset): Rename to...
7786 (frame_pointer_fb_offset): ... this. Adjust all uses.
7787 (convert_cfa_to_loc_list): Rename to...
7788 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7789 Pass it on to build_cfa_loc.
7790 (compute_frame_pointer_to_cfa_displacement): Rename to...
7791 (compute_frame_pointer_to_fb_displacement): ... this. New
7792 offset parameter. Use it in computation.
7793 (gen_subprogram_die): Compute cfa_fb_offset with the new
7794 macro, and use it to compute the fb loc list and the
7797 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7799 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7800 replaced with register_operand.
7801 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7802 non-DREG is expensive.
7803 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7804 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7807 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7809 * doc/install.texi2html: Use set -e.
7811 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7813 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7814 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7815 * doc/invoke.texi (-fshared-data): Delete.
7816 * common.opt (fshared-data): Delete.
7817 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7818 (assemble_static_space): Remove #if 0 code.
7819 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7820 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7821 * config/cris/cris.h: Remove FIXME.
7823 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7825 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7828 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7831 * combine.c (simplify_shift_const_1): Disable nested shifts
7832 optimization for vector shifts.
7834 2006-02-20 Roger Sayle <roger@eyesopen.com>
7836 PR tree-optimization/26361
7837 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7838 of unsigned integer types.
7840 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7842 * tree-chrec.c (eq_evolutions_p): New.
7843 * tree-chrec.h (eq_evolutions_p): Declared.
7844 * tree-data-ref.c: Fix formatting.
7845 (datadep_stats, dependence_stats): New.
7847 (print_direction_vector): New.
7848 (dump_data_dependence_relation): Use print_direction_vector.
7849 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7850 (compute_subscript_distance): Static.
7851 (initialize_data_dependence_relation): Static. Get the number
7852 of loops surrounding the references from the callers, and initialize
7853 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7854 base_object_differ_p analyzers.
7855 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7856 compute_overlap_steps_for_affine_1_2,
7857 analyze_subscript_affine_affine): Count the classified dependences.
7858 Print a message when a test failed.
7859 (can_use_analyze_subscript_affine_affine): New.
7860 (analyze_siv_subscript): Compute the data dependences on symbolic
7861 scevs that verify can_use_analyze_subscript_affine_affine.
7862 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7863 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7864 Handle symbolic scevs.
7865 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7867 (subscript_dependence_tester): Moved...
7868 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7869 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7870 DDR_SIZE_VECT instead of getting it in parameter.
7871 (subscript_dependence_tester): ... here. Take as a parameter
7872 loop_nest_depth. Call build_classic_dist_vector and
7873 build_classic_dir_vector.
7874 (compute_affine_dependence): Update subscript_dependence_tester
7875 parameters. Update datadep_stats counters. Call
7876 compute_subscript_distance.
7877 (compute_self_dependence): Save the dist and dir vectors. Call
7878 compute_subscript_distance.
7879 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7880 (compute_all_dependences): Reorder parameters as they were before
7881 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7882 compute_subscript_distance. Update the use of
7883 compute_affine_dependence and initialize_data_dependence_relation.
7884 (find_data_references_in_loop): Handle COMPONENT_REF.
7885 (compute_data_dependences_for_loop): Initialize dependence_stats.
7886 Don't call build_classic_dist_vector and build_classic_dir_vector.
7887 Update the parameters of initialize_data_dependence_relation and
7888 compute_all_dependences. Print the statistics from datadep_stats.
7889 (analyze_all_data_dependences): Static. Not used until the pass for
7890 checking the data dependences is contributed.
7891 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7892 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7893 (initialize_data_dependence_relation, compute_affine_dependence,
7894 analyze_all_data_dependences, compute_subscript_distance): Removed.
7895 (print_direction_vector): New.
7896 * lambda.h (gcd): ... here.
7897 (lambda_vector_gcd): Moved here from gcd_vector.
7898 * lambda-code.c (gcd, gcd_vector): Removed.
7899 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7900 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7902 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7904 * ipa-type-escape.c: Tidy some comments and white space.
7905 * tree-ssa-operands.c: Likewise.
7907 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7910 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7911 (dump_decl_name): Do not walk the decl tree chains.
7912 * tree-pass.h (TDF_CHAIN): Remove.
7914 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7916 * Makefile.in (C): Remove
7918 (.PHONY): Remove C and PROTO
7920 2006-02-20 Roger Sayle <roger@eyesopen.com>
7923 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7924 deprecated CHAR_TYPE tree code.
7926 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7928 * configure.ac (target_list): Add install-info, dvi, html.
7929 * configure: Regenerate.
7931 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7932 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7933 treelang/Make-lang.in: Do not use double-colon rules.
7935 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7937 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7938 (TMT_USED_ALONE): New macro.
7939 * tree-pass.h (PROP_tmt_usage): New property.
7940 (TODO_update_tmt_usage): New todo.
7941 * tree-ssa-alias.c (updating_used_alone): New variable.
7942 (recalculate_used_alone): New function.
7943 (compute_may_aliases): Set updating_used_alone, call
7944 recalculate_used_alone.
7945 * tree-sra.c (pass_sra): Note that this pass destroys
7946 PROP_tmt_usage, and add TODO_update_tmt_usage.
7947 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7948 * tree-flow.h (updating_used_alone): Prototype.
7949 (recalculate_used_alone): Ditto.
7950 * passes.c (execute_todo): Add code to set updating_used_alone,
7951 and call recalculate.
7952 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7953 for clobber if used alone, and add assert to verify used_alone
7956 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7958 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7959 for non tls symbols added.
7960 (legitimize_address): Do nothing for PLUS expressions if one of the
7961 addends is a tls symbol reference.
7963 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7967 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7969 * Makefile.in (BOOTSTRAPPING): New.
7970 (quickstrap): New definition if BOOTSTRAPPING=yes.
7972 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7973 * configure.ac: Substitute all_selected_languages with the languages
7974 that were configured. For all the other variables except
7975 lang_specs_files, include all the languages in the tree.
7976 * configure: Regenerate.
7978 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7979 if there is one. Run the commands to run fixincludes in the same
7982 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7983 * doc/install.texi: Document exact conventions for searching target tools.
7984 Document --with-build-time-tools. Document toplevel bootstrap. Document
7985 something more about building an Ada cross-compiler. Don't list GNU Make
7986 requirements which affect all platforms.
7988 2006-02-19 Roger Sayle <roger@eyesopen.com>
7991 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7992 only equivalent if the have both the same mode and precision.
7994 2006-02-20 Ben Elliston <bje@au.ibm.com>
7996 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7998 2006-02-19 Roger Sayle <roger@eyesopen.com>
7999 Steven Bosscher <stevenb.gcc@gmail.com>
8001 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8002 constant pool references to identify stack mode constants.
8003 * rtlanal.c (constant_pool_constant_p): New predicate to check
8004 whether operand is a floating point constant in the pool.
8005 * rtl.h (constant_pool_constant_p): Prototype here.
8006 * loop.c (scan_loop): Avoid hoisting constants from the constant
8007 pool on STACK_REGS targets.
8008 (load_mems): Likewise.
8009 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8010 loads into x87 registers expensive in terms of register pressure.
8012 2006-02-19 Roger Sayle <roger@eyesopen.com>
8014 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8015 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8017 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8019 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8020 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8022 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8024 * doc/invoke.texi: Document -fipa-pta.
8025 * common.opt: Add ipa-pta option.
8026 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8027 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8028 (do_ds_constraint): Ditto.
8029 (get_constraint_for): Only add to referenced_vars if
8030 referenced_vars exists.
8031 (insert_into_field_list): Rewrite to do this unsorted.
8032 (insert_into_field_list_sorted): Rename old insert_into_field_list
8034 (create_function_info_for): Use insert_into_field_list_sorted.
8035 (create_variable_info_for): Rewrite so it uses unsorted version,
8036 since the field list is sorted.
8037 (intra_create_variable_infos): Only add to referenced_vars if
8038 referenced_vars exists.
8039 (ipa_pta_execute): Init heapvars, and delete when done.
8040 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8042 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8044 * doc/install.texi: Add missing `@samp'.
8046 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8048 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8051 2006-02-18 Mark Wielaard <mark@klomp.org>
8053 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8054 who added new 4.1 features, bug fixes and integration support.
8056 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8059 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8062 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8064 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8065 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8066 (copy_insn_1): Likewise. Don't copy each field individually.
8068 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8070 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8071 * rtl.c (rtx_size): Rename variable to...
8072 (rtx_code_size): ...this.
8073 (rtx_size): New function.
8074 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8075 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8077 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8078 * rtl.h (rtx_code_size): New variable.
8079 (rtx_size): Change from a variable to a function.
8080 (RTX_SIZE): Rename to...
8081 (RTX_CODE_SIZE): ...this.
8084 PR tree-optimization/17106
8085 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8086 (Anchored Addresses): New section.
8087 * doc/invoke.texi (-fsection-anchors): Document.
8088 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8089 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8090 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8091 * hooks.c (hook_bool_mode_rtx_false): New function.
8092 * hooks.h (hook_bool_mode_rtx_false): Declare.
8093 * gengtype.c (create_optional_field): New function.
8094 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8095 SYMBOL_REF_IN_BLOCK_P is true.
8096 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8097 (min_anchor_offset, max_anchor_offset): Likewise.
8098 (use_anchors_for_symbol_p): New hook.
8099 * toplev.c (compile_file): Call output_object_blocks.
8100 (target_supports_section_anchors_p): New function.
8101 (process_options): Check that -fsection-anchors is only used on
8102 targets that support it and when -funit-at-a-time is in effect.
8103 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8104 if the decl doesn't have one.
8105 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8106 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8107 of force_const_mem through use_anchored_address.
8108 (expand_expr_constant): New function.
8109 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8110 calling expand_expr for INDIRECT_REF.
8111 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8112 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8113 * expr.h (use_anchored_address): Declare.
8114 * loop-unroll.c: Don't declare rtx vectors here.
8115 * explow.c: Include output.h.
8116 (validize_mem): Call use_anchored_address.
8117 (use_anchored_address): New function.
8118 * common.opt (-fsection-anchors): New switch.
8119 * varasm.c (object_block_htab, anchor_labelno): New variables.
8120 (hash_section, object_block_entry_eq, object_block_entry_hash)
8121 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8122 (use_blocks_for_decl_p, change_symbol_section): New functions.
8123 (get_variable_section): New function, split out from assemble_variable.
8124 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8125 use_blocks_for_decl_p say so. Use change_symbol_section if the
8126 symbol has already been created.
8127 (assemble_variable_contents): New function, split out from...
8128 (assemble_variable): ...here. Don't output any code for
8129 block symbols; just pass them to place_block_symbol.
8130 Use get_variable_section and assemble_variable_contents.
8131 (get_constant_alignment, get_constant_section, get_constant_size): New
8132 functions, split from output_constant_def_contents.
8133 (build_constant_desc): Create a block symbol if use_object_blocks_p
8134 says so. Or into SYMBOL_REF_FLAGS.
8135 (assemble_constant_contents): New function, split from...
8136 (output_constant_def_contents): ...here. Don't output any code
8137 for block symbols; just pass them to place_section_symbol.
8138 Use get_constant_section and get_constant_alignment.
8139 (force_const_mem): Create a block symbol if use_object_blocks_p and
8140 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8141 (output_constant_pool_1): Add an explicit alignment argument.
8142 Don't switch sections here.
8143 (output_constant_pool): Adjust call to output_constant_pool_1.
8144 Switch sections here instead. Don't output anything for block symbols;
8145 just pass them to place_block_symbol.
8146 (init_varasm_once): Initialize object_block_htab.
8147 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8148 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8149 (place_block_symbol, get_section_anchor, output_object_block)
8150 (output_object_block_htab, output_object_blocks): New functions.
8151 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8152 (TARGET_ASM_OUT): Include it.
8153 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8154 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8155 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8156 (TARGET_INITIALIZER): Include them.
8157 * rtl.c (rtl_check_failed_block_symbol): New function.
8158 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8159 (block_symbol, object_block): New structures.
8160 (rtx_def): Add a block_symbol field to the union.
8161 (BLOCK_SYMBOL_CHECK): New macro.
8162 (rtl_check_failed_block_symbol): Declare.
8163 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8164 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8165 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8166 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8167 * output.h (output_section_symbols): Declare.
8168 (object_block): Name structure.
8169 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8170 (default_use_anchors_for_symbol_p): Declare.
8171 * Makefile.in (RTL_BASE_H): Add vec.h.
8172 (explow.o): Depend on output.h.
8173 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8174 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8175 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8176 (rs6000_use_blocks_for_constant_p): New function.
8178 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8180 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8182 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8185 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8188 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8190 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8194 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8197 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8198 instead of DECL_REGISTER.
8200 2006-02-18 Olivier Hainque <hainque@adacore.com>
8203 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8205 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8208 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8209 * opth-gen.awk: Handle Var and InverseMask together.
8210 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8211 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8212 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8213 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8215 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8216 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8217 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8218 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8219 LINUX_DYNAMIC_LINKER): Define.
8220 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8221 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8223 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8224 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8225 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8227 (TARGET_C99_FUNCTIONS): Don't define.
8228 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8229 GLIBC_DYNAMIC_LINKER.
8230 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8231 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8232 GLIBC_DYNAMIC_LINKER64): Define.
8233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8234 LINUX_DYNAMIC_LINKER64.
8235 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8236 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8237 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8238 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8239 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8240 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8241 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8242 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8243 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8244 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8245 and LINUX_DYNAMIC_LINKER32.
8246 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8247 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8248 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8249 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8250 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8252 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8253 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8254 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8255 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8256 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8257 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8258 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8259 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8260 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8261 LINUX_DYNAMIC_LINKER): Define.
8262 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8263 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8264 GLIBC_DYNAMIC_LINKER64): Define.
8265 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8266 LINUX_DYNAMIC_LINKER64.
8267 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8268 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8269 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8270 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8271 LINUX_DYNAMIC_LINKER): Define.
8272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8273 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8274 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8275 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8276 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8277 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8278 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8279 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8280 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8281 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8283 * doc/invoke.texi (-muclibc): Remove caveat about supported
8286 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8288 * doc/cpp.texi (__TIMESTAMP__): Document.
8290 2006-02-17 Roger Sayle <roger@eyesopen.com>
8293 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8294 C is one less than the width of X (and related transformations).
8295 * simplify-rtx.c (simplify_unary_operation_1): Transform
8296 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8297 depending on STORE_FLAG_VALUE, were C is one less then the
8300 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8302 Fix PR tree-optimization/26341
8303 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8304 about NAME_MEMORY_TAG's.
8306 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8309 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8310 with hardware float support, and software float support. Add fcpy
8311 alternative to hardware patterns. Add alternatives to copy between
8312 general and floating-point registers to the 32-bit pattern.
8313 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8314 secondary reload to load a QI or HI mode constant into a floating
8316 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8317 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8319 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8322 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8324 (load_macho_picbase_di): Likewise.
8326 2006-02-16 Jeff Law <law@redhat.com>
8328 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8329 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8330 (ssa_name_nonzero_p): Likewise.
8331 (get_value_range): Return NULL if VRP is not running.
8332 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8333 VRP routines do not discover a range.
8334 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8335 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8336 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8337 (tree_expr_nonnegative_p): Similarly.
8338 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8339 (restore_nonzero_vars_to_original_value): Remove.
8340 (unsafe_associative_fp_binop): Remove.
8341 (tree_ssa_dominator_optimize): Remove initialization and
8342 finalization of nonzero_vars and nonzero_vars_stack.
8343 (dom_opt_initialize_block): No longer push marker on
8345 (dom_opt_finalize_block): No longer call
8346 restore_nonzero_vars_to_original_value.
8347 (record_equivalences_from_phis): No longer look for
8348 nonzero PHI arguments.
8349 (cprop_into_successor_phis): No longer propagate nonzero
8350 property into PHI arguments. Lose unused argument. Caller
8352 (record_equivalences_from_stmt): No longer record nonzero
8353 values for SSA_NAMEs.
8354 (lookup_avail_expr): No longer use nonzero_vars.
8356 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8357 for sizetype when sizetype is unsigned.
8359 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8361 PR rtl-optimization/25603
8362 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8363 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8364 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8365 with new meaning of SETS.
8367 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8372 * config/linux.opt: New file.
8373 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8374 LINUX_DYNAMIC_LINKER): Define.
8375 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8376 * config.gcc (*-*-linux*): Define extra_options.
8377 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8378 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8379 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8380 GLIBC_DYNAMIC_LINKER.
8381 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8382 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8383 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8385 * doc/invoke.texi (GNU/Linux Options): New section.
8387 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8389 * config/sparc/sparc.md (setjmp): Rewrite.
8390 (setjmp_32): Delete.
8391 (setjmp_64): Likewise.
8393 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8395 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8398 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8400 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8403 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8405 PR rtl-optimization/26296
8406 * Makefile.in (loop-invariant.c): Add except.h dependency.
8407 * loop-invariant.c: Include except.h.
8408 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8410 2005-02-16 Paul Brook <paul@codesourcery.com>
8412 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8415 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8417 PR rtl-optimization/25636
8418 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8419 when deciding whether an insn is an initializing insn.
8421 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8423 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8424 (tree_code_size): Ditto.
8425 * tree.h (struct tree_memory_tag): Remove parent_var.
8426 (struct tree_struct_field_tag): New.
8429 (union tree_node): Add sft member.
8430 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8432 (create_sft): Add size and offset argument, set SFT_OFFSET and
8434 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8435 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8436 * tree-flow-inline.h (get_subvar_at): Update for
8437 SFT_OFFSET/SFT_SIZE.
8438 (var_can_have_subvars): Ditto.
8439 (overlap_subvar): Ditto.
8440 * print-tree.c (print_node): Print out interesting things for
8442 * tree-flow.h (struct subvar): Remove offset and size members.
8443 * tree-ssa-operands.c (get_expr_operands): Update for
8444 get_indirect_ref_operands changes.
8445 (get_indirect_ref_operands): Call add_virtual_operand instead of
8446 add_stmt_operand. Only recurse on base var if requested.
8447 (access_can_touch_variable): New function.
8448 (add_stmt_operand): Split virtual operand handling into ...
8449 (add_virtual_operand): Here. Add offset, size, and for_clobber
8450 arguments. Prune alias sets.
8451 (add_call_clobber_ops): Call add_virtual_operand.
8453 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8456 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8458 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8459 than TREE_CODE as index into omp_clause_num_ops array.
8461 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8463 PR rtl-optimization/26184
8464 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8466 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8467 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8468 must_precede, must_follow and tobe_scheduled.
8471 * opts.c (common_handle_option): Free new_option pointer.
8472 * df-core.c (df_analyze): Free postorder pointer.
8474 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8476 * Makefile.in: Fix the examples about the use of stamps
8478 2006-02-15 Michael Matz <matz@suse.de>
8482 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8483 influenced by maximum_field_alignment or DECL_PACKED.
8484 (update_alignment_for_field): Ditto.
8485 (place_field): Ditto.
8486 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8489 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8491 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8492 (debug_flow_info): Pass it.
8493 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8494 * bb-reorder.c (reorder_basic_blocks): Likewise.
8495 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8496 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8497 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8498 * gcse.c (gcse_main, bypass_jumps): Likewise.
8499 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8500 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8501 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8502 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8503 * rtl.h (dump_flow_info): Adjust prototype.
8504 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8505 * var-tracking.c (variable_tracking_main): Likewise.
8506 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8507 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8510 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8512 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8515 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8517 PR tree-optimization/26209
8518 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8519 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8521 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8523 2006-02-14 Roger Sayle <roger@eyesopen.com>
8526 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8527 (X,Y) and the corresponding symmetry related transformations.
8528 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8529 (X,Y) and its symmetry related transformations.
8531 2006-02-14 Roger Sayle <roger@eyesopen.com>
8533 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8536 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8538 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8540 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8543 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8544 support COMDAT group.
8545 * configure: Regenerate.
8547 2006-02-14 Roger Sayle <roger@eyesopen.com>
8552 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8554 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8556 Fix PR tree-optimization/26260
8558 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8560 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8561 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8562 * tree-ssa-structalias.c (create_variable_info_for): Use
8563 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8565 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8567 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8569 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8570 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8571 of the ending condition.
8572 * tree-ssa-loop-manip.c: Include params.h.
8573 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8574 tree_unroll_loop): New functions.
8575 * tree-pass.h (pass_loop_prefetch): Declare.
8576 * loop.c (rest_of_handle_loop_optimize): Test for
8577 -fprefetch-loop-arrays-rtl.
8578 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8579 * timevar.def (TV_TREE_PREFETCH): New timevar.
8580 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8581 pass_loop_prefetch): New.
8582 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8583 (cleanup_tree_cfg_loop): Call scev_reset.
8584 * common.opt (fprefetch-loop-arrays-rtl): Add.
8585 * tree-ssa-loop-prefetch.c: New file.
8586 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8587 (new_temp_expr_table): Initialize expr_vars.
8588 (free_temp_expr_table): Cleanup expr_vars.
8589 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8590 expressions from being merged into one.
8591 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8592 (struct tree_niter_desc): Add control, bound and cmp fields.
8593 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8595 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8596 (tree-cfgcleanup.o): Add SCEV_H dependency.
8597 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8598 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8600 2006-02-14 Richard Guenther <rguenther@suse.de>
8602 PR tree-optimization/26258
8603 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8604 in PHI argument processing.
8606 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8608 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8609 new expression in the requested machine mode.
8611 2006-02-13 Roger Sayle <roger@eyesopen.com>
8613 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8614 directly, instead let do_compare_rtx_and_jump handle this for us.
8615 * expr.c (expand_expr_real_1): Likewise.
8616 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8617 before do_jump_by_parts_greater.
8618 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8619 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8621 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8623 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8625 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8627 PR rtl-optimization/26235
8628 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8629 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8632 2006-02-13 Jeff Law <law@redhat.com>
8634 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8637 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8640 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8641 twice if decl is a builtin. When trying again, call get_callee_fndecl
8642 first to verify it is still a builtin.
8644 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8646 * dwarf2out.c (base_type_die): Don't add AT_name here.
8647 (subrange_type_die): Don't add AT_name here.
8648 (modified_type_die): Rearrange code flow. Do add AT_name here.
8650 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8652 PR rtl-optimization/26247
8653 PR rtl-optimization/26248
8654 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8656 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8658 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8659 * config/fixtfdi.c: Likewise.
8660 * config/fixunstfdi.c: Likewise.
8661 * config/floatditf.c: Likewise.
8663 2006-02-13 Roger Sayle <roger@eyesopen.com>
8666 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8667 into (X,C2) if C1 is a subset of the bits of C2. Transform
8668 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8670 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8672 2006-02-13 Josh Conner <jconner@apple.com>
8675 * varasm.c (function_section): Check for section name before
8676 calling select_section on targets that define
8677 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8678 unlikely_text_section instead of hot_function_section if
8679 first_function_block_is_cold.
8681 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8684 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8686 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8688 PR rtl-optimization/26222
8689 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8690 after tree->rtl expansion.
8691 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8692 before passing it to emit_move_insn.
8694 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8696 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8698 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8699 Clarify documentation.
8700 * c-common.h (warn_write_strings): Remove.
8701 * c-common.c (warn_write_strings): Likewise.
8702 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8705 2006-02-12 Roger Sayle <roger@eyesopen.com>
8708 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8709 (do_jump_parts_zero_rtx): New function renamed from
8710 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8711 (do_jump_parts_equality_rtx): New function split out from
8712 do_jump_parts_equality. Old implementation renamed as above.
8713 Call do_jump_parts_zero_rtx if either operand is zero.
8714 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8715 do all of the heavy lifting.
8716 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8717 calling either do_jump_by_parts_greater_rtx or
8718 do_jump_by_parts_equality_rtx.
8719 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8720 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8721 moved to do_compare_rtx_and_jump, call it directly.
8722 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8723 mode argument. Call do_compare_rtx_and_jump.
8724 (emit_case_nodes): Update calls to do_jump_if_equal.
8726 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8728 PR rtl-optimization/26225
8729 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8731 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8733 PR rtl-optimization/26232
8734 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8736 2006-02-11 Jason Merrill <jason@redhat.com>
8739 * tree-inline.c (declare_return_variable): Just don't use the
8740 modify target if it's a gimple complex reg and the return slot
8743 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8745 * doc/contrib.texi: Update my entry.
8747 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8749 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8751 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8753 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8756 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8758 * doc/invoke.texi (-floop-optimize2): Removed.
8759 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8760 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8761 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8762 * common.opt (floop-optimize2): Removed.
8763 (fmove-loop-invariants): Enabled by default.
8765 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8767 * tree-if-conv.c (combine_blocks): Free the result of
8768 get_loop_exit_edges.
8770 2006-02-10 Jeff Law <law@redhat.com>
8772 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8774 PR tree-optimization/26213
8775 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8776 loop trying to follow SSA_NAME_VALUE chains.
8778 2006-02-10 Richard Guenther <rguenther@suse.de>
8780 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8781 deal with structures that end in implicitly variable sized arrays.
8783 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8785 PR rtl-optimization/24762
8786 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8789 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8791 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8792 (struct ivopts_data): Add regs_used field.
8793 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8794 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8795 instead of loop_data->regs_used;
8796 (free_loop_data): Do not free aux fields for loops.
8797 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8798 and tree_ssa_iv_optimize_finalize.
8800 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8802 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8804 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8807 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8808 computing the effective result type.
8810 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8813 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8814 (tree_overlaps_hard_reg_set): Declare.
8815 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8816 type and signature to match function type expected by walk_tree.
8817 (tree_overlaps_hard_reg_set): New function.
8818 (decl_conflicts_with_clobbers_p): Rename to:
8819 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8820 Use tree_overlaps_hard_reg_set. Changed caller.
8821 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8822 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8823 * cris.c (cris_md_asm_clobbers): Likewise.
8825 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8827 * reload1.c (emit_input_reload_insns): Delete code that tries to
8828 inherit using find_equiv_reg.
8830 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8832 * c-common.h (flag_const_strings): Don't declare.
8833 * c-common.c (flag_const_strings): Remove.
8834 * c.opt (fconst_strings): Remove.
8835 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8836 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8837 (c_common_init_options): Don't set flag_const_strings.
8838 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8840 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8842 * arm.md (tlobits_cbranch): New pattern.
8843 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8844 testing a single bit.
8846 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8849 * tree-ssa-pre.c (create_component_ref_by_pieces):
8850 Handle RETURN_DECL like VAR_DECL.
8852 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8855 * fold-const.c (fold_indirect_ref_1): Fold
8856 "*(foo *)&complexfoo" to "__real__ complexfoo"
8857 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8859 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8861 * tree-flow-inline.h (var_can_have_subvars):
8862 Volatile variables should not have subvariables.
8864 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8867 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8868 multiplying unsigned values.
8871 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8873 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8875 2006-02-08 Jason Merrill <jason@redhat.com>
8878 * tree.def: Elaborate on difference from MODIFY_EXPR.
8879 * doc/c-tree.texi (INIT_EXPR): Likewise.
8880 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8881 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8882 (gimplify_target_expr): Likewise.
8883 (gimplify_cond_expr): Remove target handling.
8884 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8885 (gimplify_expr): Clobber it here.
8886 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8887 Do return slot optimization if we have an INIT_EXPR.
8890 * tree-inline.c (declare_return_variable): Also clear
8891 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8894 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8897 * gimplify.c (gimplify_one_sizepos): Fix typo.
8899 2006-02-08 Jeff Law <law@redhat.com>
8901 PR tree-optimization/21417
8902 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8903 across a backedge if the control statement at the end of the
8904 block is data dependent on other statements in the same block.
8905 (record_temporary_equivalences_from_stmts): Remove over-conservative
8906 test for threading across backedges.
8908 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8909 control statement, handle all three special cases in the same
8910 manner as they all have the same desired solution. No longer
8911 special case edge flag updating when the post dominator is
8914 2006-02-08 Roger Sayle <roger@eyesopen.com>
8916 * tree.def (CHAR_TYPE): Remove.
8917 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8918 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8919 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8920 (gen_string_type_die): Delete unreachable function.
8922 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8923 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8924 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8925 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8926 * builtins.c (type_to_class): Likewise.
8927 * fold-const.c (fold_convert, build_range_check,
8928 merge_ranges): Likewise.
8929 * expr.c (count_type_elements): Likewise.
8930 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8931 * stor-layout.c (layout_type): Likewise.
8932 * ipa-type-escape.c (type_to_consider): Likewise.
8933 * gimplify.c (omp_firstprivatize_type_sizes,
8934 gimplify_type_sizes): Likewise.
8935 * explow.c (promote_mode): Likewise.
8936 * tree-sra.c (is_sra_scalar_type): Likewise.
8937 * varasm.c (output_constant): Likewise.
8938 * tree-inline.c (remap_type_1): Likewise.
8939 * convert.c (convert_to_pointer, convert_to_real,
8940 convert_to_integer, convert_to_complex): Likewise.
8942 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8944 * df-scan.c (df_def_record_1): A set destination may
8945 be a parallel regardless of mode.
8947 2006-02-08 Roger Sayle <roger@eyesopen.com>
8950 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8951 * config/mips/_tilib.c: Remove.
8952 * config/fixtfdi.c: New libgcc source file.
8953 * config/fixunstfdi.c: New source file.
8954 * config/floatditf.c: New source file.
8955 * config/floatunditf.c: New souce file.
8956 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8957 files above instead of config/mips/_tilib.c.
8958 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8960 2006-02-08 Jeff Law <law@redhat.com>
8962 PR tree-optimization/26169
8963 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8966 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8968 * df.h (DF_REG_SIZE): Return the length of the initialized
8971 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8973 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8974 __muldf3): Return a correctly signed zero.
8976 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8978 * passes.c (register_one_dump_file): Accept the current properties
8979 instead of pass number. Adjust call to dump_register. Remove
8981 (register_dump_files): Now a wrapper around...
8982 (register_dump_files_1): ... this one. Do not modify the pass
8984 (next_pass_1): Cosmetic fix.
8985 (execute_todo): Keep second parameter only. Use curr_properties
8986 instead of fetching it from the pass structure. Check and set
8988 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8989 instead of fetching it from the pass structure. Fix calls to
8990 execute_todo. Update curr_properties and initialize .vcg RTL dump
8991 after running the pass. Reset last_verified.
8992 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8994 (FIRST_AUTO_NUMBERED_DUMP): New.
8995 (dump_register): Remove "num" parameter, assign it within the
8997 (get_dump_file_name): Modify template for dumps.
8998 * tree-dump.h (dump_register): Adjust prototype.
8999 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9000 (PROP_trees): Add PROP_gimple_lomp.
9001 (TODO_set_props): New.
9002 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9003 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9004 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9006 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9008 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9009 (sparc64-*-linux*): Likewise.
9010 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9011 * config/sparc/t-linux: New file.
9012 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9013 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9014 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9015 -m32 -mlong-double-128.
9017 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9018 * config/alpha/t-linux: New file.
9019 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9021 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9022 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9023 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9024 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9025 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9026 (CPP_ARCH32_SPEC): Remove.
9028 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9030 PR tree-optimization/26145
9031 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9034 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9037 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9038 >= 240000 when generating code for SOM runtime.
9039 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9040 to $$dyncall when generating code for SOM runtime..
9042 2006-02-07 Dirk Mueller <dmueller@suse.com>
9045 * doc/invoke.texi (-Wsequence-point): Update documentation
9046 that -Wsequence-point is implemented for C++ as well.
9048 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9050 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9051 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9052 (LIB_SPEC): Likewise.
9053 * doc/invoke.texi (SPARC options): Document -pthread.
9055 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9057 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9060 2006-02-07 Roger Sayle <roger@eyesopen.com>
9062 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9063 Correct comment describing BOOLEAN_TYPE.
9065 2006-02-07 Dirk Mueller <dmueller@suse.com>
9067 * c.opt: C++ frontend supports -Wdiv-by-zero.
9068 * c-opts.c (c_common_handle_option): Remove dead case.
9070 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9072 * configure.ac (TLS assembler check): Do not enable TLS by
9073 default on SPARC/Solaris before version 10.
9074 * configure: Regenerate.
9076 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9078 * doc/invoke.texi (xl-compat): Document conversion and support
9081 2006-02-07 Jeff Law <law@redhat.com>
9083 * tree-vrp.c (find_conditional_asserts): Update comments.
9084 (simplify_stmt_for_jump_threading): New.
9085 (identify_jump_threads, finalize_jump_threads): New.
9086 (vrp_finalize): Call identify_jump_threads.
9087 (execute_vrp): Call finalize_jump_threads.
9088 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9089 (vrp_element, vrp_data, vrp_element_p): Remove.
9090 (vrp_hash_elt, vrp_variables_stack): Remove.
9091 (vrp_hash, vrp_eq, record_range): Remove.
9092 (simplify_cond_and_lookup_avail_expr): Remove.
9093 (extract_range_from_cond): Remove.
9094 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9095 (simplify_stmt_for_jump_threading): New.
9096 (dom_thread_across_edge): New wrapper.
9097 (tree_ssa_dominator_optimize): No longer initialize or
9098 finalize any of the VRP datastructures. Remove iteration
9099 step and simplify as a result of removal of iteration step.
9100 (pass_dominator): Perform a cfg cleanup after DOM.
9101 (dom_opt_finalize_block): Use the new common routines
9102 for threading jumps. Simplify stack management slightly.
9103 No longer need to unwind VRP state.
9104 (record_equivalences_from_incoming_edge): No longer record
9106 (eliminate_redundant_computations): No longer call
9107 simplify_cond_and_lookup_avail_expr.
9108 * tree-flow.h (potentially_threadable_block): Prototype.
9109 (thread_across_edge): Likewise.
9110 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9111 (tree-ssa-threadedge.o): Add dependencies.
9112 * tree-ssa-threadedge.c: New file.
9113 * passes.c (init_optimization_passes): Merge PHIs before
9114 calling VRP. Run VRP again late in the SSA optimization pipeline.
9116 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9118 * df-core.c (df_set_blocks): Do not dereference function pointers.
9119 (df_finish1): Likewise.
9120 (df_hybrid_search_forward): Likewise.
9121 (df_hybrid_search_backward): Likewise.
9122 (df_iterative_dataflow): Likewise.
9123 (df_analyze_problem): Likewise.
9124 (df_compact_blocks): Likewise.
9125 (df_dump): Likewise.
9126 * df-scan.c (df_rescan_blocks): Likewise.
9127 (df_record_entry_block_defs): Likewise.
9129 * genconditions.c (write_conditions): Guard the definition of
9130 'insn_conditions' with the check on GCC version.
9131 (write_writer): Guard the traversal 'insn_conditions' with
9132 the check on GCC version.
9134 2006-02-07 Richard Guenther <rguenther@suse.de>
9138 2006-01-30 Richard Guenther <rguenther@suse.de>
9140 * gimplify.c (gimplify_target_expr): Handle easy cases
9141 without creating a temporary.
9143 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9145 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9146 use of float in probability computations. Use edge probabilities
9147 in place of statically computed probabilities.
9148 (min_spec_prob): New static variable.
9149 (schedule_insns): Initialize it.
9150 (GET_SRC_PROB): Removed.
9151 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9153 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9156 * config/ia64/unwind-ia64.c: Revert last change.
9157 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9158 (INCOMING_FRAME_SP_OFFSET): Define.
9160 2006-02-06 Roger Sayle <roger@eyesopen.com>
9162 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9164 2006-02-07 Ben Elliston <bje@au.ibm.com>
9166 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9167 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9168 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9169 (ix86_return_in_memory): Handle TDmode.
9170 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9171 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9173 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9175 * reorg.c (dbr_schedule): Use dump_file instead of file.
9177 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9180 * config/ia64/predicates.md (extr_len_operand): New predicate.
9181 * config/ia64/ia64.md (extv): Tighten constraints.
9183 (*tbit_and_2): Ditto.
9184 (*tbit_and_3): Ditto.
9185 (*tbit_or_2): Ditto.
9186 (*tbit_or_3): Ditto.
9190 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9193 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9195 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9197 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9198 loop_optimizer_init and loop_optimizer_finalize
9199 * tree-ssa-sink.c (execute_sink_code): Ditto.
9200 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9201 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9202 tree_ssa_loop_done): Ditto.
9203 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9204 * sched-ebb.c: Include output.h.
9205 (schedule_ebbs): Do not use dump argument.
9206 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9207 * loop.c (loop_dump_stream): Removed.
9208 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9210 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9211 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9212 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9213 loop_iterations, strength_reduce, record_biv, record_giv,
9214 final_giv_value, check_final_value, check_ext_dependent_givs,
9215 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9216 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9217 dump_file instead of loop_dump_stream.
9218 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9220 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9222 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9223 * haifa-sched.c: Include output.h
9224 (schedule_insns, sched_init): Do not use dump argument.
9225 * mode-switching.c (optimize_mode_switching): Ditto.
9226 * modulo-sched.c (stats_file): Removed.
9227 (print_node_sched_params): Do not call argument dump_file.
9228 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9229 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9231 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9233 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9234 rtl_loop_init, rtl_loop_done): Ditto.
9235 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9236 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9238 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9239 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9240 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9241 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9242 * emit-rtl.c (renumber_insns): Ditto.
9243 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9244 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9245 * regclass.c (regclass): Ditto.
9246 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9247 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9248 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9249 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9251 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9252 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9254 * gcse.c (gcse_file, debug_stderr): Removed.
9255 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9256 rest_of_handle_gcse): Do not use dump argument.
9257 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9258 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9259 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9260 compute_code_hoist_vbeinout, compute_code_hoist_data,
9261 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9262 compute_store_table, build_store_vectors, insert_insn_start_bb,
9263 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9264 store_motion): Use dump_file instead of gcse_file.
9265 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9266 * profile.c (profile_dump_file): Removed.
9267 (branch_prob): Use dump_file instead of profile_dump_file.
9268 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9270 * tree-ssa-copy.c (dump_copy_of): Ditto.
9271 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9272 dump file to life_analysis.
9273 * bt-load.c (branch_target_load_optimize): Ditto.
9274 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9276 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9277 regclass, dbr_schedule): Declaration changed.
9278 * sched-int.h (sched_init): Declaration changed.
9279 * tree-profile.c (tree_profile_dump_file): Removed.
9280 (tree_profile_hooks): Removed profile_dump_file hook.
9281 * rtl-profile (rtl_profile_dump_file): Removed.
9282 (rtl_profile_hooks): emoved profile_dump_file hook.
9283 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9285 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9286 * tree-cfg.c (build_tree_cfg): Ditto.
9287 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9288 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9289 Declaration changed.
9290 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9291 life_analysis and schedule_insns.
9292 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9294 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9296 * config/mips/mips.c (mips_reorg): Ditto.
9297 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9300 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9302 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9303 (s390_mangle_fundamental_type): New.
9304 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9307 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9308 (alpha_mangle_fundamental_type): New.
9309 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9312 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9314 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9316 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9317 (sparc_mangle_fundamental_type): New.
9319 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9321 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9322 (s390x-*-linux*): Likewise.
9323 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9324 * config/s390/t-linux: New file.
9326 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9328 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9329 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9331 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9333 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9334 (ANTIC_SAFE_LOADS): New macro.
9335 (find_or_generate_expression): Add prototype.
9336 (set_contains_value): Allow null set for sake of not always having
9337 to allocate ANTIC_SAFE_LOADS.
9338 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9339 Allow COMPONENT_REF too.
9340 (valid_in_set): Allow COMPONENT_REF.
9341 Check ANTIC_SAFE_LOADS too.
9342 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9343 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9345 (can_PRE_operation): Add COMPONENT_REF.
9346 (create_component_ref_by_pieces): New function.
9347 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9348 (insert_aux): Move AGGREGATE_TYPE_P check here.
9349 (compute_avail): Set bb local stmt uids.
9350 (pass_pre): Use TODO_update_ssa_only_virtuals.
9352 2006-02-06 Ben Elliston <bje@au.ibm.com>
9354 * configure.ac: Unconditionally disable decimal float by default.
9355 * configure: Regenerate.
9357 2006-02-06 Ben Elliston <bje@au.ibm.com>
9359 * read-rtl.c (read_name): Terminate reading on EOF.
9361 2006-02-06 Ben Elliston <bje@au.ibm.com>
9363 * dfp.c (decimal_real_arithmetic): Change second argument type
9364 from int to enum tree_code. Do not always return true, but now
9365 return result of any call to decimal_do helper functions.
9366 * dfp.h (decimal_real_arithmetic): Update prototype.
9368 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9370 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9372 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9375 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9378 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9380 * tree-vrp.c (cfg_loops): Removed.
9381 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9382 Use current_loops instead of cfg_loops. Pass flags to
9383 loop_optimizer_init.
9384 * cfgloopmanip.c (fix_loop_structure): Update only available
9386 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9387 loop_optimizer_init.
9388 * modulo-sched.c (build_loops_structure): Removed.
9389 (sms_schedule): Use loop_optimizer_init.
9390 * loop-init.c (loop_optimizer_init): Use flags to determine
9391 which properties of loops to prepare.
9392 (rtl_loop_init): Pass flags to loop_optimizer_init.
9393 * tree-ssa-sink.c (execute_sink_code): Ditto.
9394 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9395 * tree-ssa-pre.c (init_pre): Ditto.
9396 * cfgloop.h (LOOPS_NORMAL): New.
9397 (loop_optimizer_init): Declaration changed.
9399 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9401 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9402 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9404 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9406 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9408 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9409 * pa/t-pa64: Delete quadlib.c rule.
9410 * pa/x-ada: Revert last change.
9411 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9413 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9415 PR rtl-optimization/26087
9416 * rtlanal.c (canonicalize_condition): Do not cross basic block
9419 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9422 * config/ia64/ia64.c: Include debug.h.
9423 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9424 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9425 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9426 (process_epilogue, process_set, process_for_unwind_directive):
9427 Output unwind info only if requested. Add CFA info if requested.
9428 Add new arguments as needed. Adjust callers.
9429 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9431 (DWARF2_FRAME_INFO): Define to zero.
9432 * config/ia64/unwind-ia64.c: Remove code that compensated for
9433 the CFA offset error fixed above.
9434 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9435 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9436 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9437 -funwind-tables and -fexceptions to enable frame info.
9438 (dwarf2out_frame_init): Define initial CFA even if
9439 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9440 DWARF2_UNWIND_INFO is nonzero, not just defined.
9441 (dwarf2out_frame_finish): Output non-EH call frame info only
9442 if DWARF2_FRAME_INFO is nonzero.
9443 (convert_cfa_to_loc_list,
9444 compute_frame_pointer_to_cfa_displacement): Define even if
9445 unwind info is not supported.
9446 (gen_subprogram_die): Use the above unconditionally. Remove
9447 legacy alternate code.
9448 * toplev.c (compile_file): Compile in call to
9449 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9450 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9452 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9453 Jakub Jelinek <jakub@redhat.com>
9455 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9456 IBM extended float format long double as "g" on powerpc*-linux.
9458 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9461 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9462 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9464 2006-02-03 Jason Merrill <jason@redhat.com>
9467 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9470 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9471 on the return slot if it's an NRV.
9473 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9475 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9476 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9477 rewrite_use): Do not handle USE_OUTER.
9478 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9479 add_iv_outer_candidates, may_replace_final_value,
9480 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9481 (find_interesting_uses_op): Functionality of
9482 find_interesting_uses_outer_or_nonlin moved here.
9483 (find_interesting_uses_outside): Use find_interesting_uses_op.
9485 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9488 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9490 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9491 Ulrich Weigand <uweigand@de.ibm.com>
9494 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9495 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9496 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9497 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9499 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9500 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9501 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9502 Define secondary reloads for TFmode moves.
9503 (constant_modes): Add TFmode.
9504 (NR_C_MODES): Set to 8.
9505 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9507 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9508 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9509 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9510 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9511 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9512 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9513 (FPR mode macro): Add TFmode.
9514 (DSF mode macro): New.
9515 (<de>, <dee> mode attributes): Removed.
9516 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9517 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9518 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9519 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9520 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9521 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9522 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9523 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9524 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9525 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9526 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9527 "*negabs<mode>2", "sqrt<mode>2"):
9528 Changed <de> to <xde>. R constraint replaced by <Rf>.
9529 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9531 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9532 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9533 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9535 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9536 "extenddftf2", "extendsftf2"): New expanders.
9537 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9538 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9539 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9540 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9542 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9543 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9544 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9545 __floatditf): Add a GCC_4.1.0 symbol version tag.
9546 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9549 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9552 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9553 Use targetm.binds_local_p instead of TREE_PUBLIC.
9555 2006-02-02 Roger Sayle <roger@eyesopen.com>
9557 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9558 on INTEGER_TYPEs to indicate that it denotes a character type.
9559 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9560 signed_char_type_node, unsigned_char_type_node and char_type_node.
9561 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9562 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9563 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9565 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9566 Daniel Berlin <dberlin@dberlin.org>
9568 * tree-tailcall.c (arg_needs_copy_p): New function.
9569 (eliminate_tail_call): Use arg_needs_copy_p.
9570 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9571 (add_virtual_phis): New function.
9573 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9575 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9576 #ignore instead of #scratch for %g7 .register directive.
9578 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9580 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9583 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9585 * flow.c (calculate_global_regs_live): Assert that there aren't any
9588 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9590 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9592 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9593 bsi_after_labels iterator.
9594 * tree-if-conv.c (find_phi_replacement_condition,
9595 replace_phi_with_cond_modify_expr): Likewise.
9596 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9597 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9599 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9601 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9603 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9606 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9607 array after growing it.
9609 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9612 * fold-const.c (fold_checksum_tree): Change type of buf.
9614 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9616 * reload.c (push_secondary_reload): Initialize t_icode.
9618 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9620 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9621 -msoft-float -mlong-double-128 only issue a warning, but don't
9622 swich to DFmode long double.
9624 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9626 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9627 has a constant equivalent, iterate over equivalents for arg0,
9628 calling simplify_relational_operation and if there's a result
9629 cheaper than X, apply fold_rtx and return the result.
9631 2006-02-01 Jan Hubicka <jh@suse.cz>
9633 * opts.c (no_unit_at_a_time_default): New global variable.
9634 (decode_options): Use it.
9635 * opts.h (no_unit_at_a_time_default): Declare.
9637 2006-02-01 Paul Brook <paul@codesourcery.com>
9639 * function.c (assign_parm_setup_reg): Use function argument promotion
9641 * expr.c (expand_expr_real_1): Use function argument promotion rules
9644 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9646 * gcc.c (process_command): Change j to 'unsigned int'.
9648 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9651 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9652 Use the corrected index for the character
9653 out of the string constant.
9655 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9657 * mode-switching.c (optimize_mode_switching): Fix size
9658 allocated for bb_info[n_entities].
9660 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9662 * gcc.c (main): Correct type that is allocated for
9663 explicit_link_files.
9665 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9667 * config/s390/s390.c (init_alignment_context): Set
9668 ALIAS_SET_MEMORY_BARRIER on the MEM.
9669 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9671 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9674 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9676 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9679 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9681 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9682 * regrename.c: Ditto.
9683 * tree-ssa-loop-im.c: Ditto.
9684 * tree-dump.c: Ditto.
9685 * tree-complex.c: Ditto.
9686 * genrecog.c: Ditto.
9687 * tree-ssa-threadupdate.c: Ditto.
9689 * java/class.c: Ditto.
9690 * java/jcf-parse.c: Ditto.
9691 * java/resource.c: Ditto.
9692 * java/except.c: Ditto.
9693 * java/jvspec.c: Ditto.
9694 * java/jcf-write.c: Ditto.
9695 * java/jcf-path.c: Ditto.
9696 * java/gjavah.c: Ditto.
9697 * java/zextract.c: Ditto.
9698 * java/jcf-io.c: Ditto.
9699 * java/jcf.h: Ditto.
9700 * java/buffer.c: Ditto.
9701 * java/lang.c: Ditto.
9702 * java/parse-scan.y: Ditto.
9703 * java/lex.c: Ditto.
9704 * java/lex.h: Ditto.
9705 * cfgloopmanip.c: Ditto.
9706 * postreload-gcse.c: Ditto.
9707 * tree-ssa-loop-manip.c: Ditto.
9708 * postreload.c: Ditto.
9709 * tree-ssa-loop-ch.c: Ditto.
9713 * diagnostic.c: Ditto.
9715 * genoutput.c: Ditto.
9717 * cfghooks.c: Ditto.
9718 * cfgloopanal.c: Ditto.
9719 * objc/objc-act.c: Ditto.
9721 * genextract.c: Ditto.
9722 * genautomata.c: Ditto.
9723 * pretty-print.c: Ditto.
9725 * cgraphunit.c: Ditto.
9728 * haifa-sched.c: Ditto.
9729 * dominance.c: Ditto.
9731 * tree-ssa-loop-ivopts.c: Ditto.
9733 * mode-switching.c: Ditto.
9734 * modulo-sched.c: Ditto.
9736 * ipa-pure-const.c: Ditto.
9738 * fix-header.c: Ditto.
9740 * tree-stdarg.c: Ditto.
9741 * ipa-utils.c: Ditto.
9742 * loop-init.c: Ditto.
9743 * ipa-inline.c: Ditto.
9746 * alloc-pool.c: Ditto.
9747 * dwarf2out.c: Ditto.
9749 * genattrtab.c: Ditto.
9750 * tree-ssa-loop-ivcanon.c: Ditto.
9754 * fortran/gfortranspec.c: Ditto.
9756 * local-alloc.c: Ditto.
9757 * langhooks.c: Ditto.
9758 * function.c: Ditto.
9759 * tree-vectorizer.c: Ditto.
9761 * ipa-type-escape.c: Ditto.
9763 * tree-if-conv.c: Ditto.
9766 * tree-data-ref.c: Ditto.
9767 * loop-unroll.c: Ditto.
9768 * treelang/treetree.c: Ditto.
9771 * ggc-common.c: Ditto.
9773 * coverage.c: Ditto.
9775 * tree-cfgcleanup.c: Ditto.
9776 * tree-ssa-pre.c: Ditto.
9777 * cfgcleanup.c: Ditto.
9778 * loop-invariant.c: Ditto.
9780 * ipa-prop.c: Ditto.
9781 * print-tree.c: Ditto.
9782 * conflict.c: Ditto.
9783 * ggc-page.c: Ditto.
9784 * sched-deps.c: Ditto.
9785 * regclass.c: Ditto.
9786 * tree-object-size.c: Ditto.
9788 * bb-reorder.c: Ditto.
9789 * resource.c: Ditto.
9790 * var-tracking.c: Ditto.
9792 * df-problems.c: Ditto.
9793 * reg-stack.c: Ditto.
9796 * sched-rgn.c: Ditto.
9797 * tree-ssa-structalias.c: Ditto.
9798 * tree-ssa-reassoc.c: Ditto.
9799 * config/darwin-c.c: Ditto.
9800 * config/darwin.c: Ditto.
9801 * config/arm/arm.c: Ditto.
9803 * collect2.c: Ditto.
9806 2006-01-31 Nicolas Pitre <nico@cam.org>
9808 * arm.md (smaxsi3): Make aware of smax_m1.
9811 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9813 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9815 2006-01-31 Richard Guenther <rguenther@suse.de>
9817 * doc/invoke.texi (-msselibm): Document.
9818 * target.h (expand_library_builtin): New target hook.
9819 * builtins.c (expand_builtin): Use expand_library_builtin.
9820 (default_expand_library_builtin): New function.
9821 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9822 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9823 (link_gcc_math_spec): Declare.
9824 (static_specs): Add link_gcc_math_spec.
9825 * expr.h (default_expand_library_builtin): Declare.
9826 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9827 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9828 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9829 * config/i386/i386.opt (msselibm): New target option.
9830 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9831 (ix86_init_sse_abi_builtins): New function.
9832 (ix86_expand_library_builtin): Likewise.
9833 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9834 (override_options): Handle error conditions wrt -msselibm.
9835 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9836 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9837 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9840 2006-01-31 Richard Guenther <rguenther@suse.de>
9841 Paolo Bonzini <bonzini@gnu.org>
9843 * doc/install.texi (--disable-libgcc-math): Document.
9845 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9847 * expr.h (expand_normal): new inline function.
9848 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9850 * dwarf2out.c: use it.
9855 * config/sparc/sparc.c: use it.
9856 * config/i386/i386.c: use it.
9857 * config/rs6000/rs6000.c: use it.
9858 * config/arm/arm.c: use it.
9859 * config/mips/mips.c: use it.
9860 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9862 2006-01-30 Roger Sayle <roger@eyesopen.com>
9864 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9865 argv to the appropriate type.
9867 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9869 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9872 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9875 * config/s390/s390.c (struct machine_function): New flag
9876 decomposed_literal_pool_addresses_ok_p.
9877 (s390_reorg): Set it before final stage of literal pool transforms.
9878 (s390_decompose_address): Only accept displacements of the form
9879 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9881 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9883 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9884 the comparison routine return.
9886 2006-01-30 Michael Matz <matz@suse.de>
9888 * global.c (find_reg): Only evict for global regs.
9889 Take n_refs into account and dump more info.
9891 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9894 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9895 (pragma_trap, pragma_nosave_low_regs): Likewise.
9896 (current_function_anonymous_args): Likewise.
9897 (sh_deferred_function_attributes): New variable.
9898 (sh_deferred_function_attributes_tail): Likewise.
9899 (print_operand): For '@', look up trap_exit attribute.
9900 (calc_live_regs): Look up trapa_handler attribute. For trapa
9901 handlers, save/restore fpscr, but don't do any other
9902 interrupt-specific saves.
9903 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9904 Fix check for partially saved registers to check for SHmedia.
9905 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9906 (sh_output_function_epilogue): Don't clear any of the removed
9908 (sh_insert_attributes): Don't check pragma_interrupt.
9909 Insert deferred attributes. Check that interrupt attribute is
9910 present for other attributes that require its presence.
9911 (sh_attribute_table): Add new attributes trapa_handler and
9913 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9914 Don't check for pragma_interrupt. Don't store argument.
9915 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9916 (sh_deferred_function_attributes): Declare.
9917 (sh_deferred_function_attributes_tail): Likewise.
9918 * sh.md (sp_switch_1): Add operand. Change generator caller.
9919 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9920 (*return_i): Don't use when trap_exit attribute is in effect.
9921 (*return_trapa): New insn pattern.
9923 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9924 setting c_target_objs and cxx_target_objs.
9925 * t-sh: Add rule for sh-c.o.
9927 2006-01-30 Richard Guenther <rguenther@suse.de>
9930 * gimplify.c (gimplify_target_expr): Handle easy cases
9931 without creating a temporary.
9933 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9935 * vec.h (safe_grow): Remove duplicated line.
9937 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9940 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9941 (expand_omp): ... here.
9942 (expand_omp_parallel): Only remove barriers for combined
9943 parallel+workshare constructs.
9945 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9949 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9950 * tree.c (build_qualified_type): Chain the new type to the original
9951 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9952 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9953 (build_pointer_type_for_mode): Only return unqualified types.
9954 (build_reference_type_for_mode): Likewise.
9956 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9958 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9959 * Makefile.in (CXX_COMPAT_WARN): Define.
9960 * configure: Regenerate.
9962 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9965 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9968 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9970 * toplev.c: Fix thinko.
9972 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9973 Marcin Dalecki <martin@dalecki.de>
9975 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9976 (push_srcloc): Use XNEW.
9977 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9979 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9981 * df-core.c (df_set_blocks): Deleted all variable.
9983 2006-01-28 Ian Lance Taylor <ian@airs.com>
9985 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9986 cgraph_output_pending_asms.
9988 2006-01-28 Zack Weinberg <zackw@panix.com>
9990 * c.opt: Add -W(no-)overlength-strings.
9991 * doc/invoke.texi: Document it.
9992 * c-opts.c (c_common_handle_option): -pedantic implies
9993 -Woverlength-strings, if not explicitly disabled already.
9994 (c_common_post_options): -Woverlength-strings defaults to off, and
9995 is always off for C++.
9996 * c-common.c (fix_string_type): Issue warning about strings longer
9997 than is portable only if warn_overlength_strings. Rearrange code
9998 a little for clarity.
9999 * configure.in: Check for -Wno-overlength-strings as well before
10000 enabling -pedantic in stage 1.
10001 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10002 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10004 * genconditions.c (write_header, write_one_condition)
10005 (write_conditions, write_writer): Consolidate very long strings
10006 that were broken up to fit in C89 portable limit. Don't use
10007 printf when fputs will do.
10009 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10011 * combine.c (simplify_comparison <AND>): Check
10012 TRULY_NOOP_TRUNCATION before start using a subreg.
10014 * config/mips/mips.md (*branch_zero<mode>,
10015 *branch_zero<mode>_inverted, *branch_equality<mode>,
10016 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10017 Remove mode check from comparisons.
10019 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10021 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10023 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10025 * expmed.c (const_mult_add_overflow_p): Remove.
10026 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10028 * recog.c (validate_replace_rtx_subexp): Remove.
10029 * recog.h: Remove the prototype for
10030 validate_replace_rtx_subexp.
10032 * integrate.h: Remove the prototype for
10033 copy_decl_for_inlining.
10034 * rtl.h: Remove the prototype for mark_constant_function.
10035 * tree-vectorizer.h: Remove the prototype for
10036 vect_strip_conversion.
10038 * modulo-sched.c (create_partial_schedule,
10039 free_partial_schedule, reset_partial_schedule): Make them
10042 * hooks.c (hook_bool_rtx_int_false): Remove.
10043 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10045 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10047 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10048 and -mlong-double-128 are incompatible.
10049 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10050 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10051 (TARGET_LIBGCC2_CFLAGS): Define.
10052 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10053 (TARGET_LIBGCC2_CFLAGS): Same.
10054 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10056 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10059 * c-typeck.c (build_binary_op): Perform implicit casts of
10060 operands before shortening them.
10062 * cfgloopmanip.c (split_loop_bb): Remove.
10063 * cfgloop.h: Remove the prototype for split_loop_bb.
10065 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10066 * cfgloop.h: Remove the prototype for
10067 flow_loop_outside_edge_p.
10069 * emit-rtl.c (init_virtual_regs): Make it static.
10070 * function.h: Remove the prototype for init_virtual_regs.
10072 * recog.c (peephole2_optimize): Make it static.
10073 * recog.h: Remove the prototype for peephole2_optimize.
10075 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10077 * df-scan.c (df_record_entry_block_defs): Check if
10078 INCOMING_RETURN_ADDR_RTX is defined.
10080 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10081 Kenneth Zadeck <zadeck@naturalbridge.com>
10083 PR rtl-optimization/24762
10084 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10085 * targhooks.c (hook_void_bitmap): New hook prototype.
10086 * targhoohs.h (hook_void_bitmap): Ditto.
10087 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10088 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10089 * target.h (live_on_entry): New function pointer.
10090 * df-scan.c (df_all_hard_regs): Removed.
10091 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10092 (df_scan_free_internal): Added df->entry_block_defs.
10093 (df_scan_alloc): Ditto.
10094 (df_scan_dump): Ditto.
10095 (df_uses_record): Plumbed flag field properly thru calls.
10096 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10097 This part fixes PR24762.
10098 (df_bb_refs_record): Added code to make the frame and arg
10099 pointers live in EH blocks.
10100 (df_refs_record): Added call to df_record_entry_block_defs.
10101 (df_record_entry_block_defs): New function.
10102 * df-core.c: Added comments to describe new artifical defs.
10103 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10104 (entry_block_defs): New field in struct df.
10105 (df_all_hard_regs): Deleted.
10106 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10107 * df-problems.c (df_ru_bb_local_compute_process_def):
10108 Added code to handle artifical defs in the entry to a function.
10109 (df_ru_bb_local_compute): Ditto.
10110 (df_rd_bb_local_compute_process_def): Ditto.
10111 (df_rd_bb_local_compute): Ditto.
10112 (df_lr_bb_local_compute): Ditto.
10113 (df_ur_bb_local_compute): Ditto.
10114 (df_urec_bb_local_compute): Ditto.
10115 (df_chain_create_bb): Ditto.
10116 (df_ur_local_finalize): Removed entry.
10117 (df_urec_init): Ditto.
10118 (df_urec_local_finalize): Ditto.
10119 (df_ri_bb_compute): Added detection of last use of pseudos.
10120 * Makefile.in (df-scan.o): Updated dependencies.
10121 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10122 * config/mips/mips.c (mips_set_live_on_entry): Added.
10123 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10125 * dce.c (marked_insn_p): Added code to handle artifical defs.
10127 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10129 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10131 (_mm_cvtsi128_si64): Likewise.
10132 (_mm_cvtsd_si64): Likewise.
10133 (_mm_cvttsd_si64): Likewise.
10134 (_mm_cvtsi64_sd): Likewise.
10135 (_mm_cvtsi64_si128): Likewise.
10136 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10137 (_mm_cvtsi64_m64): Likewise.
10138 (_m_to_int64): Likewise.
10139 (_mm_cvtm64_si64): Likewise.
10140 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10141 (_mm_cvttss_si64): Likewise.
10142 (_mm_cvtsi64_ss): Likewise.
10143 (_mm_cvtss_f32): Likewise.
10145 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10147 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10148 for pragma redefine_extname.
10150 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10153 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10154 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10155 -mno-minimal-toc to previous content.
10156 (bispecs): Remove goal.
10157 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10158 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10159 compatibility aliases on powerpc-*-*gnu*.
10160 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10161 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10162 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10163 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10164 (ldblspecs): New goal.
10165 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10166 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10168 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10169 L_sf_to_tf or L_df_to_tf is defined.
10171 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10172 Alan Modra <amodra@bigpond.net.au>
10175 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10176 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10177 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10178 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10179 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10180 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10181 (rs6000_override_options): Initialize rs6000_ieeequad.
10182 Initialize TFmode format to ibm_extended_format if not
10184 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10186 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10187 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10188 (function_arg_advance): IBM long double passed in two FPRs, not
10190 (function_arg): IBM long double passed in FPRs.
10191 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10192 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10193 Only multireg GPR aligned.
10194 (rs6000_init_libfuncs): Enable IBM long double functions if not
10196 (rs6000_generate_compare): Use IBM long double compare if not
10198 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10199 (TARGET_IEEEQUAD): Define.
10200 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10201 not TARGET_IEEEQUAD.
10202 * config/rs6000/rs6000.md: Enable TFmode patterns if
10204 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10205 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10206 and -mlong-double-128 are incompatible.
10207 * doc/invoke.texi (-mabi): Collect options together. Add
10208 ibmlongdouble and ieeelongdouble.
10210 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10212 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10214 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10215 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10216 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10217 * rtl.h (rtunion_def): Remove rt_ptr.
10219 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10220 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10221 * config/i386/winnt.c (i386_pe_mark_dllexport)
10222 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10224 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10226 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10228 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10232 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10233 pthread_key_delete. From John David Anglin. gthrw-ify
10234 pthread_getunique_np only if it it's not a macro. Delete
10236 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10237 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10238 __gthread_objc_condition_signal, __gthread_key_delete): Add
10239 "__attribute__ ((__unused__))" to unused arguments.
10240 (__gthread_recursive_mutex_init_function): Add missing return.
10241 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10242 gthr-posix95.h: Use macro-based approach for name redirection
10243 on targets missing weakref.
10245 2006-01-26 Zack Weinberg <zackw@panix.com>
10247 * genconditions.c (write_header): In generated code, #ifdef out
10248 all includes and fake declarations, except includes of bconfig.h
10249 and system.h, unless GCC_VERSION >= 3001. Do not include
10250 gensupport.h in any case.
10251 (write_conditions): Generate a definition of struct c_test. Add
10252 a comment to the generated #endif.
10253 (write_one_condition): Escape backslashes in string too.
10254 (write_writer): Generated code must escape backslashes and quote
10255 marks (but not newlines) in the strings it writes.
10256 * Makefile.in (build/gencondmd.o): Update dependencies.
10258 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10261 * Makefile.in (insn-automata.o): Add header file dependencies.
10262 * genautomata.c: Add includes.
10264 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10267 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10269 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10271 * configure.ac: Expect target tools paths to be passed from the toplevel
10272 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10274 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10276 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10279 * c.opt (Wpointer-sign): Init to -1.
10280 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10281 OPT_pedantic, to 0 otherwise.
10282 * doc/invoke.texi: Update.
10284 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10286 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10287 constants provided by 80387 instructions in the destination mode.
10289 2006-01-26 Richard Guenther <rguenther@suse.de>
10290 Andrew Pinski <pinskia@physics.uc.edu>
10293 partial PR tree-opt/17064
10294 * tree-ssa-structalias.c (intra_create_variable_infos):
10295 Create heap variables for incoming parameters if
10296 flag_argument_noalias > 1.
10297 (find_what_p_points_to): Look through default defs of
10300 2006-01-26 Jeff Law <law@redhat.com>
10303 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10304 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10305 within the VR_RANGE, use the VR_RANGE as the result, not the
10307 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10308 bounds for the type.
10310 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10312 * tree-ssa-alias.c (maybe_create_global_var): Change
10313 subvar walking to an assertion that we don't have subvar'd variables.
10315 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10318 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10319 Use a new variable, inner. PARM_DECLs are always non-weak.
10321 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10323 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10324 --disable-checking.
10326 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10328 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10330 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10332 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10333 (smax_insn, smin_insn, smax_0, smin_0): New.
10335 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10338 * config/cris/cris.c (cris_order_for_addsi3): New function.
10339 * config/cris/cris-protos.h: Prototype it.
10340 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10341 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10342 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10343 (split for "op.S1 [rx=rx+i],ry (swapped)")
10344 (split for "op(s|u).S1 [rx=rx+i],ry")
10345 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10346 Apply cris_order_for_addsi3 when generating addsi3 insns.
10348 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10350 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10351 (TREE_BLOCK): Add call to EXPR_CHECK.
10353 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10356 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10357 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10358 (dump_omp_clauses): ... here.
10359 (dump_generic_node): Handle OMP_CLAUSE.
10360 * tree.c (omp_clause_num_ops): New.
10361 (omp_clause_code_name): New.
10362 (tree_code_size): Handle OMP_CLAUSE.
10363 (tree_size): Likewise.
10364 (make_node): Document handling of OMP_CLAUSE.
10365 (tree_node_structure): Handle OMP_CLAUSE.
10366 (omp_clause_check_failed): New.
10367 (omp_clause_range_check_failed): New.
10368 (omp_clause_operand_check_failed): New.
10369 (build_omp_clause): New.
10370 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10371 * tree.h (enum omp_clause_code): Declare.
10372 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10373 (OMP_CLAUSE_RANGE_CHECK): Define.
10374 (OMP_CLAUSE_ELT_CHECK): Define.
10375 (omp_clause_check_failed): Declare.
10376 (omp_clause_operand_check_failed): Declare.
10377 (omp_clause_range_check_failed): Declare.
10378 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10379 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10380 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10381 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10382 (OMP_CLAUSE_IF_EXPR): Likewise.
10383 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10384 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10385 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10386 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10387 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10388 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10389 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10390 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10391 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10392 (OMP_CLAUSE_CODE): Define.
10393 (OMP_CLAUSE_SET_CODE): Define.
10394 (OMP_CLAUSE_CODE): Define.
10395 (OMP_CLAUSE_OPERAND): Define.
10396 (struct tree_omp_clause): Declare.
10397 (union tree_node): Add field 'omp_clause'.
10398 * treestruct.def (TS_OMP_CLAUSE): Define.
10399 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10400 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10401 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10402 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10403 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10404 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10405 (OMP_CLAUSE): Define.
10406 * print-tree.c (print_node): Handle OMP_CLAUSE.
10407 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10408 * c-typeck.c: Likewise.
10409 * gimplify.c: Likewise.
10410 * c-omp.c: Likewise.
10411 * tree-nested.c: Likewise.
10412 * tree-inline.c: Likewise.
10413 * c-parser.c: Likewise.
10414 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10417 2006-01-25 Roger Sayle <roger@eyesopen.com>
10419 PR rtl-optimization/25703
10420 * combine.c (try_combine): Handle zero_extract and strict_low_part
10421 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10423 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10425 * global.c: Fix comment typos.
10427 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10430 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10431 Use output_addr_const instead of assemble_name.
10433 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10435 * Makefile.in (sched-vis.o): Update dependencies.
10436 * haifa-sched.c (sched_finish): Clear current_sched_info.
10437 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10438 (dump_flow_info): Call it.
10439 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10441 * basic-block.h (dump_bb_info): Declare.
10442 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10443 option, and apply options only for dump files whose TDF_RTL,
10444 TDF_TREE, or TDF_IPA bits match.
10445 * rtl.h: Declare new functions exported from sched-vis.c.
10446 * sched-vis.c: Enable also if scheduling is not used.
10447 (print_value): Print the mode of registers if not inside scheduling.
10448 (print_insn): Make it work outside the scheduler. Beautify the output
10450 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10452 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10454 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10455 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10456 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10457 depending on the value of CONSTANT_POOL_ADDRESS_P.
10458 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10460 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10461 rather than SYMBOL_REF_DECL.
10462 (rtx_constant_pool): Remove const_rtx_sym_htab.
10463 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10464 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10465 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10466 Remove handling of const_rtx_sym_htab.
10467 (find_pool_constant): Delete.
10468 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10469 rather than find_pool_constant.
10470 (get_pool_constant_for_function): Delete.
10471 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10472 find_pool_constant.
10473 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10474 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10475 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10476 (SYMBOL_REF_CONSTANT): New macro.
10477 (get_pool_constant_for_function): Delete.
10478 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10479 rather than SYMBOL_REF_DECL.
10480 (i386_pe_mark_dllimport): Likewise.
10481 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10482 rather than SYMBOL_REF_DECL.
10483 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10484 (machopic_indirect_call_target): Likewise.
10486 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10488 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10490 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10492 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10494 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10496 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10498 2006-01-24 David Daney <ddaney@avtrex.com>
10501 * configure.ac (enable_tls): New enable option.
10502 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10503 * configure: Regenerate.
10504 * doc/install.texi (--enable-tls): Document new option.
10505 (--disable-tls): Ditto.
10507 2006-01-24 Richard Henderson <rth@redehat.com>
10509 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10510 * alias.c (true_dependence): Respect it.
10511 (canon_true_dependence, write_dependence_p): Likewise.
10512 * builtins.c (get_builtin_sync_mem): Set it.
10514 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10516 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10519 2006-01-24 DJ Delorie <dj@redhat.com>
10521 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10522 for storing constants in single-bit bitfields.
10524 2006-01-25 Ben Elliston <bje@au.ibm.com>
10526 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10528 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10531 * tree-ssa-pre.c (phi_translate): Return NULL
10532 for AGGREGATE_TYPE's.
10534 2006-01-24 Zack Weinberg <zackw@panix.com>
10536 * genautomata.c (process_state_for_insn_equiv_partition):
10537 Use xcalloc for insn_arcs_array.
10538 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10539 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10541 2006-01-24 Richard Henderson <rth@redhat.com>
10543 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10544 update all callers.
10546 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10548 PR rtl-optimization/25890
10549 PR rtl-optimization/25905
10550 * combine.c (expand_compound_operation, expand_field_assignment):
10551 Fail if the bitfield's final position is out of bounds.
10553 2006-01-24 Ian Lance Taylor <ian@airs.com>
10555 PR middle-end/25930
10556 * cgraphunit.c (cgraph_output_in_order): Don't clear
10557 cgraph_asm_nodes until after asm strings have been output.
10559 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10561 * fix-header.c (read_scan_file): Add new parameter imultilib when
10562 calling register_include_chains.
10564 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10566 * omp-low.c: Update documentation.
10568 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10569 Daniel Berlin <dberlin@dberlin.org>
10573 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10574 return from the function.
10576 2006-01-22 Zack Weinberg <zackw@panix.com>
10578 * rtl.def (match_code): Add second argument.
10579 * genpreds.c (write_extract_subexp): New function.
10580 (write_match_code): Add path argument. Use write_extract_subexp.
10581 (write_predicate_expr): Pass path to write_match_code.
10582 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10583 not perform a mode test.
10584 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10585 a subexpression does not constrain the top-level code set.
10586 * read-rtl.c (read_rtx_variadic): New function.
10587 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10588 * doc/md.texi: Document new notation.
10589 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10590 (cmpsi_operand): ... here, using new notation.
10592 2006-01-22 Zack Weinberg <zackw@panix.com>
10594 * varray.c: Remove GENERATOR_FILE #ifdefs.
10596 2006-01-22 Zack Weinberg <zackw@panix.com>
10598 * genautomata.c (output_reserved_units_table): Emit nothing if
10599 description->query_units_num is zero. Remove extra blank line.
10600 (output_cpu_unit_reservation_p): Short circuit
10601 if description->query_units_num is zero.
10603 2006-01-22 Zack Weinberg <zackw@panix.com>
10605 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10606 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10607 nor any of the random handful of variables that used to be necessary
10608 when this program was linked with rtlanal.o. Prune set of forward
10609 function declarations.
10610 (struct attr_desc): Remove static_p field.
10611 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10612 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10613 (attr_string): Do not read the character one past the length of
10615 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10616 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10617 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10618 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10619 (make_automaton_attrs): New.
10620 (main): Do not call into genautomata. Call local gen_bypass
10621 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10622 Remove special case for insn_alts.
10623 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10624 varray.h (leftover from previous change). Prune set of forward
10625 function declarations. Remove state_alts fields from all
10626 structures. Remove state_alts_table from struct automaton.
10627 Make everything except main static. Do not maintain num_dfa_decls.
10628 Do not maintain state_alts fields of various structures.
10629 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10630 (add_arc): Remove state_alts argument. All callers updated.
10631 (output_reserved_units_table): Emit #ifdef here...
10632 (output_tables): ...not here. Don't generate state_alts tables.
10633 (expand_automata): Don't generate attributes.
10634 (write_automata): Don't generate state_alts functions.
10635 (main): New function.
10636 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10637 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10638 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10639 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10640 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10641 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10642 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10643 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10645 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10646 * genattrtab.h: Delete file.
10647 * Makefile.in (OBJS-common): Add insn-automata.o.
10648 (insn-automata.o): New rule.
10649 (simple_generated_c): Add insn-automata.c.
10650 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10651 (genprogmd): Add automata.
10652 (build/genattrtab): Needs no extra objects nor libraries.
10653 (build/genautomata): Needs build/vec.o and -lm.
10655 2006-01-22 Zack Weinberg <zackw@panix.com>
10657 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10658 (output_dfa_max_issue_rate, locked_states_num): Delete.
10659 (struct automaton): Add locked_states field.
10660 (output_dead_lock_vect): Save number of locked states in
10661 automaton->locked_states. If it is zero, don't print anything.
10662 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10663 (output_internal_dead_lock_func): Only test the dead_lock_vect
10664 for automata that have locked states.
10665 (output_statistics): Always print the number of locked states for
10666 each automaton. Calculate total number of locked states here.
10667 (write_automata): Don't call output_dfa_max_issue_rate.
10668 * genattrtab.c: Define length_unit_log as a const variable.
10669 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10670 max_insn_queue_index const.
10671 * final.c (length_unit_log): Declare const.
10672 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10674 2006-01-22 Zack Weinberg <zackw@panix.com>
10676 * genautomata.c: Include vec.h, not varray.h.
10677 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10678 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10679 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10680 VEC_* macros operating on appropriately typed vectors, or to
10681 malloced arrays when the size is known in advance. Const-ify
10682 many char* variables and function arguments. No functional changes.
10683 * Makefile.in (build/varray.o): Delete rule.
10684 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10685 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10687 2006-01-22 Zack Weinberg <zackw@panix.com>
10689 * gensupport.c: Define get_insn_name and record_insn_name here.
10690 (read_md_rtx): Call record_insn_name as appropriate.
10691 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10692 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10693 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10695 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10696 (BUILD_VARRAY): Delete.
10697 (genprognormal): Rename genprogmd. Fold in all programs from
10698 genprognoprint; also attrtab.
10699 (build/genattrtab): Just mention genautomata.o and varray.o.
10700 Reorganize a bit, add comments to make the categories clearer.
10702 2006-01-22 Zack Weinberg <zackw@panix.com>
10704 * genconditions.c (condition_table, add_condition): Delete.
10705 (write_conditions): Don't emit n_insn_conditions nor
10706 insn_elision_unavailable. Issue the gcc version #ifdef here,
10707 inside the table, with no #else clause ...
10708 (write_header): ...not here.
10709 (write_writer): New function.
10710 (main): Don't initialize condition_table. Use add_c_test.
10712 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10713 files on the command line.
10714 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10715 Return -1 if there is no entry in the table, don't abort.
10716 (add_c_test, traverse_c_tests): New functions.
10717 * gensupport.h (insn_elision_unavailable, insn_conditions)
10718 (n_insn_conditions): Delete declarations.
10719 (add_c_test, traverse_c_tests): Declare.
10720 * read-rtl.c: Include gensupport.h.
10721 (read_conditions): New function.
10722 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10723 (read_rtx_1): If we get EOF when we were looking for an initial
10724 open paren, return 0. Call read_conditions when appropriate.
10725 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10726 dummy-conditions.o. Eliminate references to insn-conditions.o,
10727 or change them to build/gencondmd.o, as appropriate. Remove
10728 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10729 from $(simple_generated_c). For all files remaining in those
10730 two lists, add insn-conditions.md to the generator command line.
10731 Give insn-constants.h/s-constants their own rules. Add rules
10732 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10733 (build/read-rtl.o): Depend on gensupport.h.
10734 (genprognormal): Include preds.
10735 (genprogearly): Rename genprognoprint; only difference is now that
10736 they don't link with $(BUILD_PRINT).
10737 * dummy-conditions.c: Delete.
10739 2006-01-22 Zack Weinberg <zackw@panix.com>
10741 * genextract.c: Don't include insn-config.h. Do include vec.h.
10742 Declare vectors of int, char, and locstr.
10743 (locstr): New typedef.
10744 (struct extraction): Make all array fields into bare pointers.
10745 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10746 (insn_code_number): Delete.
10747 (accum_extract): New struct.
10748 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10749 (gen_insn): Take insn_code_number as an argument. Use an
10750 accum_extract structure instead of loading data directly into
10751 a struct extraction, and having to know how big it might get.
10752 (walk_rtx): Operate entirely on an accum_extract structure.
10753 (print_path): Avoid unnecessary use of printf.
10754 (print_header): New function, split out of main. Distinguish
10755 more carefully between an unrecognizable insn and an insn that
10756 has the code number of a define_expand.
10757 (main): Pass insn_code_number to gen_insn. Call print_header
10758 only after parsing. Avoid unnecessary use of printf.
10759 * Makefile.in (build/vec.o): New rule.
10760 (build/genextract): Depend on build/vec.o.
10761 (build/genextract.o): Don't depend on insn-config.h.
10763 2006-01-22 Zack Weinberg <zackw@panix.com>
10765 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10766 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10767 practical. Eliminate per-generator-program link rules.
10769 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10771 PR middle-end/24437
10772 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10773 with a call expr to ...
10774 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10776 2006-01-23 Richard Guenther <rguenther@suse.de>
10778 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10779 before make_edge with conditional EDGE_TRUE_VALUE.
10781 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10782 Jan Hubicka <jh@suse.cz>
10783 Richard Guenther <rguenther@suse.de>
10785 PR rtl-optimization/25654
10786 * cfgexpand.c (aggregate_contains_union_type): New function.
10787 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10788 for structure variables that contain a union type.
10790 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10792 * gengtype.c (new_structure): Return the structure.
10793 (create_option): Add an extra "next" argument.
10794 (create_field): New function.
10795 (adjust_field_rtx_def): Use create_option and create_field.
10796 Remove a now-unnecessary call to find_structure.
10797 (adjust_field_tree_def): Likewise.
10798 (note_yacc_type): Remove an unnecessary call to find_structure.
10799 * gengtype.h (new_structure): Return the structure.
10800 (create_option): Add an extra argument.
10801 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10802 (option): Adjust calls to create_option.
10804 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10806 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10808 2006-01-22 Paul Brook <paul@codesourcery.com>
10809 Peter Barada <peter@the-baradas.com>
10811 * config/m68k/m68k.md: Add Coldfire FPU support.
10812 Define FP mode macro and associated attributes.
10813 Use it for float mode patterns.
10814 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10815 (LIBCALL_VALUE): Use m68k_libcall_value.
10816 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10817 (m68k_function_value): Ditto.
10818 (emit_move_sequence): Ditto.
10819 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10820 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10821 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10822 (MULTILIB_EXCEPTIONS): Ditto.
10823 * config/m68k/m68k.opt: Add mcfv4e.
10824 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10825 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10826 (m68k_output_function_prologue): Save ColdFire FPU registers.
10827 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10828 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10829 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10830 ColdFire FPU registers.
10831 (m68k_libcall_value, m68k_function_value): New functions.
10832 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10833 (LIBCALL_VALUE): Use m68k_libcall_value.
10834 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10835 (MASK_COLDFIRE): Add MASK_CFV4E.
10836 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10837 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10838 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10839 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10840 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10841 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10842 * doc/invoke.tex: Document -mcfv4e on m68k.
10844 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10846 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10849 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10852 * c-opts.c (c_common_handle_option): Don't include
10853 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10854 * doc/invoke.texi (C++ Dialect Options): Document that
10855 -Wnon-virtual-dtor is no longer included in -Wall.
10857 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10859 * gcov.c (print_version), gcov-dump.c (print_version),
10860 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10863 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10865 * df-scan.c (problem_SCAN): Added NULL reset function.
10866 (df_scan_reset_blocks): Added code to call reset block function
10867 (df_bb_refs_delete) Fixed comment.
10868 (df_insn_refs_delete): Made tolerant of deleting non existent info
10869 for dataflow problems that need to be reset.
10870 * df-core.c (df_set_blocks): Ditto.
10871 * df.h (struct df_problem): Added reset_fun.
10872 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10873 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10874 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10875 functions to clear out all references to def-use or use-def chains.
10877 2006-01-21 Ben Elliston <bje@au.ibm.com>
10879 * varasm.c (assemble_real): Initialise data array.
10881 2006-01-20 Paul Brook <paul@codesourcery.com>
10883 Merge from csl-arm-branch.
10884 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10885 * config/arm/arm.md (movdi): Force operands[1] to a register
10886 if we have a non-register source.
10887 (*arm_movdi, *movdf_soft_insn): Require that one of the
10888 operands be a register.
10889 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10890 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10892 2006-01-20 DJ Delorie <dj@redhat.com>
10894 * varasm.c (initializer_constant_valid_p): Allow pointers
10895 initialized from integer constants of lesser precision.
10896 (output_constant): Allow non-int-sized pointer modes to be
10897 initialized from integer constants.
10899 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10902 * cppdefault.h (struct default_include): Add multilib flag.
10903 * cppdefault.c (cpp_include_defaults): Set it.
10904 * c.opt (-imultilib): New option.
10905 * c-opts.c (imultilib): New.
10906 (c_common_handle_option): Handle -imultilib.
10907 (c_common_post_options): Likewise.
10908 * c-incpath.c (add_standard_paths, register_include_chains):
10910 * c-incpath.h (register_include_chains): Add extra parameter.
10911 * gcc.c (do_spec_1): Generate -imultilib option.
10912 (The Specs Language): Update %I description.
10913 (process_command): Update copyright notice.
10914 * doc/cppopts.texi (-imultilib): Document.
10915 * doc/invoke.texi (-imultilib): Include in option summary.
10916 (%I): Update specs documentation.
10918 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10920 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10922 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10924 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10927 2006-01-20 Richard Guenther <rguenther@suse.de>
10928 Steven Bosscher <stevenb.gcc@gmail.com>
10930 PR rtl-optimization/24626
10931 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10932 EDGE_TRUE_VALUE if in RTL mode.
10935 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10936 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10938 2006-01-20 Dirk Mueller <dmueller@suse.com>
10941 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10942 instead of a special NOP marker.
10943 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10944 NOP marker handling.
10945 * c-common.h (empty_body_warning): Add forward declaration.
10946 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10947 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10949 2006-01-20 Paul Brook <paul@codesourcery.com>
10951 * Makefile.in (lang_checks): Keep going if mkdir fails.
10953 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10955 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10956 be able to clean out basic block when not necessary.
10957 (df_scan_free): Fixed to properly delete information if df is
10958 unused before calling df_finish.
10959 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10960 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10962 (df_bb_refs_delete): New function.
10963 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10964 * df-core.c (df_set_blocks): Added code to properly clean out
10965 unused blocks if they are not part of the blocks to consider.
10966 Added additional null check.
10967 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10968 be able to clean out basic block when not necessary
10969 * df.h (df_free_bb_function): Ditto.
10970 (df_bb_refs_delete): New function.
10971 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10972 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10973 basic block parameter to be able to clean out basic block when not
10975 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10976 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10977 Fixed to properly delete information if df is unused before
10980 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10982 PR rtl-optimization/25799
10983 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10984 Corrected confluence operator to remove bits from op2 before oring
10985 with op1 rather than removing bits from op1.
10986 (df_ru_transfer_function): Corrected test on wrong bitmap which
10987 caused infinite loop. Both of these problems were introduced in
10988 the dataflow rewrite.
10990 2006-01-19 DJ Delorie <dj@redhat.com>
10992 * reload1.c (find_reload_regs): Note the details of reload
10993 failures in the dump file.
10994 (spill_failure): Likewise.
10996 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10998 * loop-iv.c: Include df.h and hashtab.h.
10999 (enum iv_grd_result): New enum.
11000 (DF_REF_IV, DF_REF_IV_SET): New macros.
11001 (struct biv_entry): New.
11002 (df, bivs): New global variables.
11003 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11004 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11006 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11007 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11008 analyzed_for_bivness_p, record_biv): New functions.
11009 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11010 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11011 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11013 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11015 (iv_number_of_iterations): Use new interface to iv analysis.
11016 * loop-unroll.c: Do not include varray.h.
11017 (analyze_iv_to_split_insn): Use new interface to iv
11019 * loop-unswitch.c (may_unswitch_on): Ditto.
11020 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11022 (df_bb_modify): Realloc tables to the new index.
11023 (df_find_use): New function.
11024 * df.h (df_find_use): Declare.
11025 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11027 * cfgloop.h (struct rtx_iv): Remove analysed field.
11028 (iv_get_reaching_def): Removed.
11029 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11030 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11031 (loop-iv.o): Add df.h and hashtab.h dependency.
11032 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11034 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11037 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11039 (__floatundisf, __floatundidf): Likewise.
11040 * libgcc2.h (IS_IBM_EXTENDED): Define.
11042 2006-01-19 DJ Delorie <dj@redhat.com>
11044 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11046 2006-01-19 Paul Brook <paul@codesourcery.com>
11048 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11049 as nothrow when unwinding tables are disabled.
11051 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11054 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11055 of bit-field" when in system header.
11057 2006-01-19 DJ Delorie <dj@redhat.com>
11059 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11060 the 16 bit shift limit of the m16c.
11062 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11065 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11066 * config/i386/i386.c (output_set_got): Output the label if we have one
11067 for the TARGET_DEEP_BRANCH_PREDICTION case.
11069 2006-01-19 Jan Hubicka <jh@suse.cz>
11070 H.J. Lu <hongjiu.lu@intel.com>
11071 Evandro Menezes <evandro.menezes@amd.com>
11073 * invoke.texi (generic): Document
11075 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11076 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11077 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11078 (x86_use_incdec, x86_pad_returns): New variables
11079 (TARGET_CPU_DEFAULT_generic): New constant
11080 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11081 (enum processor_type): Add generic32 and generic64.
11082 * i386.md (cpu attribute): Add generic32/generic64
11083 (movhi splitter): Behave sanely when both partial_reg_dependency and
11084 partial_reg_stall are set.
11085 (K8 splitters): Enable for generic as well.
11086 * predicates.md (incdec_operand): Use TARGET_INCDEC
11087 (aligned_operand): Avoid memory mismatch stalls.
11088 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11089 * ppro.md: Enable for generic32
11090 * i386.c (generic64_cost, generic32_cost): New.
11091 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11092 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11093 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11094 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11095 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11096 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11097 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11098 x86_accumulate_outgoing_args, x86_prologue_using_move,
11099 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11100 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11101 Enable for generic.
11102 (x86_use_incdec, x86_pad_returns): New.
11103 (override_options): Add generic32 and generic64, translate "generic"
11104 to generic32/generic64 and "i686" to "generic32", refuse
11105 "generic32"/"generic64" as arch target.
11106 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11107 (ix86_reorg): Honor PAD_RETURNS.
11109 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11111 * tree-pretty-print.c (dump_generic_node): Handle
11112 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11113 * cgraph.c (cgraph_expand_queue): Rename from
11114 cgraph_analyze_queue. Update all users.
11115 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11116 cgraph_expand_queue.
11117 (cgraph_expand_all_functions): Likewise.
11118 (cgraph_finalize_pending_functions): Remove. Update callers.
11120 * tree.h (OMP_DIRECTIVE_P): Define.
11121 (OMP_PARALLEL_FN): Define.
11122 (OMP_PARALLEL_DATA_ARG): Define.
11123 (OMP_SECTIONS_SECTIONS): Define.
11124 * tree-pass.h (pass_expand_omp): Declare.
11125 * omp-low.c (struct omp_region): Declare.
11126 (struct omp_context): Remove fields 'parallel_type',
11127 'parallel_start_ix' and 'parallel_start_additional_args'.
11129 (struct omp_for_data): Rename from struct expand_omp_for_data.
11130 (omp_regions): New static variable.
11131 (root_omp_region): New static variable.
11132 (find_omp_clause): Make static.
11133 (is_in_combined_parallel_ctx): Remove.
11134 (is_combined_parallel): New.
11135 (extract_omp_for_data): Move earlier in the file.
11136 (workshare_safe_to_combine_p): New.
11137 (get_ws_args_for): New.
11138 (determine_parallel_type): Move earlier in the file.
11139 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11141 (omp_copy_decl): Likewise.
11142 (create_omp_child_function): Likewise.
11143 (lookup_omp_region): New.
11144 (dump_omp_region): New.
11145 (debug_omp_region): New.
11146 (debug_all_omp_regions): New.
11147 (new_omp_region): New.
11148 (scan_omp_parallel): If parallel_nesting_level > 1, the
11149 directive is nested within another parallel directive.
11150 Set OMP_PARALLEL_FN.
11151 (scan_omp_for): Do not try to handle combined parallel+for
11153 Remove FIXME comment.
11154 (scan_omp_nested): Remove.
11155 (scan_omp_1): Do not call scan_omp_nested when
11156 parallel_nesting_level is > 1.
11157 Do not change the DECL_CONTEXT of local variables found.
11158 (lookup_decl_in_outer_ctx): New.
11159 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11160 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11161 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11162 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11163 If CTX is nested, lookup VAR in the outer context when
11164 building copy assignment.
11165 (lower_send_clauses): Rename from expand_send_clauses.
11166 If CTX is nested, lookup VAR in the outer context when
11167 building copy assignments.
11168 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11169 If CTX is nested, lookup VAR in the outer context when
11170 building copy assignments.
11171 (expand_parallel_call): Rename from build_parallel_call.
11172 Handle combined parallel+workshare cases.
11173 Re-implement to emit code into the CFG.
11175 (expand_omp_parallel): Re-implement to emit code into the CFG.
11176 Call move_sese_region_to_fn to outline the sub-graph
11177 containing the parallel region.
11178 (expand_omp_for_1): Remove.
11179 (expand_omp_for_generic): Re-implement to emit code into the
11181 (expand_omp_for_static_nochunk): Likewise.
11182 (expand_omp_for_static_chunk): Likewise.
11183 (expand_omp_for): Likewise.
11184 (expand_omp_sections): Likewise.
11185 (remove_exit_barriers): New.
11186 (expand_omp_synch): New.
11188 (build_omp_regions_1): New.
11189 (build_omp_regions): New.
11190 (execute_expand_omp): New.
11191 (gate_expand_omp): New.
11192 (pass_expand_omp): Define.
11193 (lower_omp_sections): Rename from expand_omp_sections.
11194 Set OMP_SECTIONS_SECTIONS.
11195 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11196 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11197 (lower_omp_single): Rename from expand_omp_simple.
11198 (lower_omp_master): Rename from expand_omp_master.
11199 (lower_omp_ordered): Rename from expand_omp_ordered.
11200 (lower_omp_critical): Rename from expand_omp_critical.
11201 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11202 (lower_omp_for): Re-implement.
11203 (lower_omp_parallel): Re-implement.
11204 (lower_regimplify): Rename from expand_regimplify.
11205 (lower_omp_1): Rename from expand_omp_1.
11206 If there are syntax errors in the program, replace every
11207 OpenMP directive with NOP.
11208 Call lower_omp_* instead of expand_omp_*.
11209 (lower_omp): Rename from expand_omp.
11211 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11212 * tree-gimple.h (enum omp_parallel_type): Remove.
11213 (gimple_boolify): Declare extern.
11214 (find_omp_clause, determine_parallel_type): Remove.
11216 * gimple-low.c (lower_omp_directive): New.
11217 (lower_stmt): Call it.
11218 (record_vars_into): Move from ...
11219 (record_vars): ... here.
11220 Call record_vars_into with current_function_decl.
11222 * gimplify.c (struct gimplify_ctx): Remove fields
11223 combined_pre_p and combined_ctxp. Update users.
11224 (get_formal_tmp_var): Add documentation.
11225 (gimple_boolify): Make extern.
11226 (gimplify_expr_in_ctx): Remove. Update callers.
11227 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11228 will always be a BIND_EXPR.
11229 (gimplify_expr): Handle OMP_RETURN_EXPR.
11230 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11231 (OMP_PARALLEL): Add 3 operands.
11232 (OMP_SECTIONS): Add 1 operand.
11233 (OMP_RETURN_EXPR): Define.
11235 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11236 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11237 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11238 creating a circular free list.
11239 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11241 * tree-flow.h (move_sese_region_to_fn): Declare.
11242 (record_vars_into): Declare.
11243 * tree-cfg.c (make_omp_sections_edges): New.
11244 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11245 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11246 OMP_SECTIONS and OMP_SECTION.
11247 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11248 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11249 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11250 (gather_blocks_in_sese_region): New.
11251 (struct move_stmt_d): Declare.
11252 (move_stmt_r): New.
11253 (move_block_to_fn): New.
11254 (move_sese_region_to_fn): New.
11256 * passes.c (init_optimization_passes): Schedule
11257 pass_expand_omp after pass_init_datastructures.
11259 * tree-ssa-operands.c (get_expr_operands): Handle
11260 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11261 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11263 2006-01-19 Jeff Law <law@redhat.com>
11265 * tree-vrp.c (extract_range_from_assert): Refine the result range
11266 if the variable referenced by the ASSERT_EXPR has a range and
11267 either the tentative result range or the previous range is a
11270 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11272 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11274 2006-01-19 Jan Hubicka <jh@suse.cz>
11276 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11278 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11280 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11281 (expand_compound_operation, expand_field_assignment): Fail if the
11282 bit lengths of an extract operation are out of range.
11283 (make_extraction): Compute wanted_inner_mode based on the position
11284 and length of the extraction. Make it extraction_mode for non-constant
11285 positions, and do not modify offset in that case. When generating a
11286 new MEM, use a mode that can hold the extraction while keeping correct
11287 alignment. Remove code that supported MEMs wrapped by USEs.
11288 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11290 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11292 * config/s390/s390.md ("Y", "y"): New mode attribute.
11293 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11294 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11295 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11296 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11297 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11298 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11299 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11300 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11301 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11302 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11303 "addsi3", "subsi3"): Insn patterns removed.
11304 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11305 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11306 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11307 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11308 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11309 "*sub<mode>3_cconly2"): New insn patterns.
11310 ("addsi3", "subsi3"): New expanders.
11312 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11314 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11315 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11316 existing STMT_VINFO_VECTYPE if available.
11317 (vect_mark_relevant): Add special handling for stmts that are
11318 marked as STMT_VINFO_IN_PATTERN_P.
11319 (vect_analyze_loop): Call vect_pattern_recog.
11320 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11321 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11323 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11324 (vect_recog_func_ptr): New function-pointer type.
11325 * tree-vect-patterns.c: New file.
11326 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11327 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11328 (vect_pattern_recog_1): New functions.
11329 (vect_pattern_recog_funcs): New array of function pointers.
11331 * tree-vectorizer.h (ternary_op): New enum value.
11332 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11333 declaration. Revised documentation. Removed redundant dump prints.
11334 Removed redundant argument. Added support for reduction patterns.
11335 (vectorizable_reduction): Added support for reduction patterns.
11336 (vect_transform_stmt): Added support for patterns.
11338 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11339 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11340 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11341 (expand_widen_pattern_expr): New function.
11342 (init_optabs): Initialize new optabs udot_prod_optab,
11344 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11345 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11346 (expand_widen_pattern_expr): New function declaration.
11347 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11349 * tree-inline.c (estimate_num_insns_1): Added cases for new
11350 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11351 * tree-pretty-print.c (dump_generic_node): Likewise.
11352 (op_prio): Likewise.
11353 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11354 * tree-ssa-operands.c (get_expr_operands): Added case for
11356 * tree-vect-patterns.c (widened_name_p): New function.
11357 (vect_recog_dot_prod_pattern): Added function implementation.
11358 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11359 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11360 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11361 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11363 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11364 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11365 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11366 (init_optabs): Initialize new optabs widen_ssum_optab,
11368 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11369 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11370 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11371 use instead of type of def.
11372 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11373 function implementation.
11374 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11375 widen_ssumv8hi): New.
11377 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11380 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11383 * c-decl.c (add_flexible_array_elts_to_size): New function.
11384 (finish_decl): Use it.
11386 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11388 * diagnostic.h: Include options.h.
11389 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11390 dependancies for diagnostic.h.
11391 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11393 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11395 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11396 (ssa_ro_call_cache_valid): Ditto.
11397 * tree-ssa-alias.c (sort_tags_by_id): New function.
11398 (init_transitive_clobber_worklist): Ditto.
11399 (add_to_worklist): Ditto.
11400 (mark_aliases_call_clobbered): Ditto.
11401 (compute_tag_properties): Ditto.
11402 (set_initial_properties): Ditto.
11403 (compute_call_clobbered): Ditto.
11404 (compute_may_aliases): Call compute_call_clobbered and grouping.
11405 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11406 (compute_flow_insensitive_aliasing): Grouping now happens in our
11408 (setup_pointers_and_addressables): Remove clobbering related code.
11409 (add_may_alias): Ditto.
11410 (replace_may_alias): Ditto.
11411 (get_nmt_for): Ditto.
11412 (create_global_var):
11413 (is_escape_site): Return an escape_type enumeration.
11414 * tree-flow-inline.h (is_call_clobbered): Global var does not
11415 imply call clobbered.
11416 (mark_call_clobbered): Take a reason for marking this. Remove
11417 marking of globalness, and cache invalidation.
11418 (clear_call_clobbered): Remove cache invalidation code.
11419 * tree-dfa.c (dump_variable): If details is on, dump the reason
11421 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11423 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11424 (struct var_ann_d): Ditto.
11425 (enum escape_type): New.
11426 (mark_call_clobbered): Adjust prototype.
11427 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11428 are never call clobbered.
11429 Record reasons for escaping.
11430 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11431 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11432 (ssa_ro_call_cache_valid): Ditto.
11433 (clobbered_v_may_defs): Ditto.
11434 (clobbered_vuses): Ditto.
11435 (ro_call_vuses): Ditto.
11436 (clobber_stats): New.
11437 (init_ssa_operands): Zero out clobber stats.
11438 (fini_ssa_operands): Print out clobber stats.
11439 (get_call_expr_operands): Pass callee fndecl to
11440 add_call_read_ops).
11441 (add_call_clobber_ops): Remove use of cache.
11442 Add use of PURE_CONST information.
11443 (add_call_read_ops): Remove use of cache.
11444 Add use of static not_read information.
11446 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11448 Introduce TLS descriptors for i386 and x86_64.
11449 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11450 (TARGET_ANY_GNU_TLS): New macro.
11451 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11452 (struct machine_function): Add tls_descriptor_call_expanded_p.
11453 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11454 (ix86_current_function_calls_tls_descriptor): Likewise.
11455 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11456 (override_options): Introduce gnu2 tls dialect.
11457 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11459 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11461 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11462 (ix86_init_machine_status): Initialize new field.
11463 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11464 (ix86_tls_module_base): New.
11465 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11466 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11467 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11468 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11469 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11470 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11471 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11472 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11473 * config/i386/predicates.md (tls_modbase_operand): New.
11474 (tp_or_register_operand): New.
11476 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11478 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11479 (look_for_address_of): Ditto.
11480 (ipa_init): Walk the function decls.
11481 (static_execute): Don't set readonly on FUNCTION_DECL's.
11483 2006-01-18 Roger Sayle <roger@eyesopen.com>
11485 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11486 for shifts where the source and destination registers are different.
11488 2006-01-18 Paul Brook <paul@codesourcery.com>
11490 Merge from csl-arm-branch.
11491 2005-03-14 Julian Brown <julian@codesourcery.com>
11492 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11493 (aeabi_llsl): Likewise.
11494 (ashrdi3): Likewise.
11495 (aeabi_lasr): Likewise.
11496 (lshrdi3): Likewise.
11497 (aeabi_llsr): Likewise.
11498 2005-03-10 Julian Brown <julian@codesourcery.com>
11499 * config.gcc: Disable shared libgcc for SymbianOS.
11500 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11502 2006-01-18 DJ Delorie <dj@redhat.com>
11504 * c-pragma.c (handle_pragma_diagnostic): New.
11505 (init_pragma): Register it.
11506 * doc/extend.texi: Document it.
11508 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11509 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11510 (diagnostic_context): Add classify_diagnostic[].
11511 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11512 as errors if they're overridden to DK_WARNING.
11513 (diagnostic_initialize): Initialize classify_diagnostic[].
11514 (diagnostic_set_kind_override): New.
11515 (diagnostic_report_diagnostic): Check for kind changes.
11516 * opts.c (common_handle_option): Take lang_mask. Update callers.
11517 Handle OPT_Werror_.
11518 * common.opt (Werror=): New.
11519 * doc/invoke.texi: Document -Werror=*
11521 2006-01-18 Jeff Law <law@redhat.com>
11523 * tree-vrp.c (test_for_singularity): Correct test for new
11524 min limit. Use operand_equal_p rather than pointer equality
11525 for testing if new min/max values are equal.
11527 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11528 using range information until after propagation and folding.
11530 2006-01-18 Richard Henderson <rth@redhat.com>
11531 Aldy Hernandez <aldyh@redhat.com>
11532 Jakub Jelinek <jakub@redhat.com>
11533 Diego Novillo <dnovillo@redhat.com>
11535 * omp-low.c: New file.
11536 * c-omp.c: New file.
11538 2006-01-18 Richard Henderson <rth@redhat.com>
11539 Jakub Jelinek <jakub@redhat.com>
11540 Diego Novillo <dnovillo@redhat.com>
11542 * doc/invoke.texi: Document -fopenmp.
11543 * tree-dump.h (debug_function): Declare.
11544 * hooks.c (hook_bool_tree_bool_false): New function.
11545 (hook_tree_tree_null): Remove.
11546 (hook_tree_tree_tree_null): New.
11547 * hooks.h: Update to match.
11548 * tree-pretty-print.c (debug_tree_chain): New.
11549 (print_generic_expr): Handle TDF_CHAIN.
11550 (dump_generic_node): Handle BLOCK.
11551 Do not abort with incomplete SWITCH_EXPRs.
11552 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11553 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11554 print space after directive name.
11555 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11556 Handle OMP_MASTER and OMP_ORDERED.
11557 Handle printing of OMP_BODY just in one place, goto
11558 dump_omp_body in the rest of OMP_* nodes that have
11560 Don't handle clause nodes here. Update omp statements to
11561 use dump_omp_clauses.
11562 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11563 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11564 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11565 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11566 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11567 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11568 Adjust output for GOMP_PARALLEL.
11569 (dump_omp_clauses): New.
11570 (print_declaration): Dump DECL_VALUE_EXPR.
11571 (op_symbol_1): Split out of op_symbol.
11572 (dumping_stmts): Remove. Update all users.
11573 * cgraph.c (cgraph_analyze_queue): New.
11574 (cgraph_add_new_function): New.
11575 * cgraph.h (cgraph_analyze_queue): Declare.
11576 (cgraph_add_new_function): Declare.
11577 (cgraph_lower_function): Remove.
11578 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11579 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11580 and TYPE_P nodes in its default clause.
11581 (empty_body_p): New.
11582 (tree_range_check_failed): New.
11583 (build5_stat): New.
11584 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11585 OMP_CLAUSE_REDUCTION_MERGE,
11586 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11587 OMP_CLAUSE_PRIVATE_DEBUG,
11588 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11589 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11590 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11591 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11592 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11593 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11594 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11595 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11596 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11597 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11598 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11599 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11600 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11601 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11602 (TREE_RANGE_CHECK): New.
11603 (empty_body_p): Declare.
11604 (enum omp_clause_default_kind): New.
11605 (build_string_literal): Declare.
11606 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11607 (build5_stat, build5): Declare.
11608 * tree-pass.h (TDF_CHAIN): Define.
11609 * tree-pass.h (PROP_gimple_lomp): Define.
11610 (pass_lower_omp): Declare.
11611 * diagnostic.h (debug_tree_chain): Declare.
11612 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11614 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11615 * builtins.c (build_string_literal): Make extern.
11616 * gcc.c (include_spec_function): New.
11617 (static_spec_functions): Add it.
11618 (main): Move load of libgomp.spec ...
11619 (LINK_COMMAND_SPEC): ... here.
11620 (link_gomp_spec): New.
11621 (static_specs): Include it.
11622 (LINK_COMMAND_SPEC): Add link_gomp.
11623 (GOMP_SELF_SPECS): New.
11624 (driver_self_specs): Include it.
11625 (switch_matches): Don't mark inline.
11626 (main): Load libgomp.spec.
11627 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11628 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11629 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11630 * tree-gimple.h (enum omp_parallel): Declare.
11631 (determine_parallel_type): Declare.
11632 (omp_firstprivatize_variable): Declare.
11633 (omp_reduction_init): Declare.
11634 (diagnose_omp_structured_block_errors): Declare.
11635 (struct walk_stmt_info): Add want_return_expr.
11636 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11637 (find_omp_clause): Declare.
11638 (insert_field_into_struct): Declare.
11639 (struct walk_stmt_info): Move from tree-nested.c
11640 (walk_stmts): Declare.
11641 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11643 * cgraphunit.c (cgraph_lower_function): Make static.
11644 (cgraph_finalize_pending_functions): New.
11645 (cgraph_finalize_function): Call it.
11646 (cgraph_finalize_compilation_unit): Likewise.
11647 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11648 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11649 (BT_FN_UINT_UINT): New.
11650 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11651 DEF_FUNCTION_TYPE_VAR_4): Document.
11652 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11653 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11654 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11655 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11656 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11657 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11658 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11659 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11660 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11661 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11662 into separate files.
11663 (DEF_GOMP_BUILTIN): New.
11664 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11665 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11666 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11667 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11668 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11669 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11670 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11671 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11672 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11673 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11674 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11675 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11676 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11677 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11678 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11679 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11680 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11681 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11682 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11683 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11684 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11685 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11686 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11687 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11688 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11689 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11690 * sync-builtins.def: New file, moved from builtins.def.
11691 * omp-builtins.def: New file, moved from builtins.def.
11692 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11693 * gimple-low.c (lower_function_body): Clear data.
11694 (lower_stmt): Do not handle COMPOUND_EXPR.
11695 Remove call to print_node_brief.
11696 * c-tree.h (c_finish_omp_clauses): New prototype.
11697 (C_DECL_THREADPRIVATE_P): Define.
11698 (lookup_name_no_remap, c_omp_remap_private): Remove
11699 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11700 (check_for_loop_decls): Update decl.
11701 (lookup_name_no_remap, c_omp_remap_private): Declare.
11702 (build_indirect_ref, build_modify_expr, pushdecl,
11703 pushdecl_top_level): Move to c-common.h.
11704 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11705 before the switch, but just in the 2 places that need it.
11706 * c-decl.c (diagnose_mismatched_decls): Do not check for
11707 mismatched thread-local attributes when OLDDECL is marked
11708 threadprivate and NEWDECL has no thread-local attributes.
11709 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11710 (c_gimple_diagnostics_recursively): Rename from
11711 c_warn_unused_result_recursively. Invoke
11712 diagnose_omp_structured_block_errors.
11713 (check_for_loop_decls): Return a singular decl found.
11714 * langhooks.c (lhd_omp_predetermined_sharing): Return
11715 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11716 (lhd_omp_firstprivatize_type_sizes): New.
11717 (lhd_omp_assignment): New.
11718 (lhd_omp_predetermined_sharing): New.
11719 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11720 (struct lang_hooks_for_types): Add
11721 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11722 omp_predetermined_sharing, omp_disregard_value_expr,
11723 omp_private_debug_clause, omp_clause_default_ctor,
11724 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11725 (c_finish_omp_clauses): New.
11726 (c_finish_bc_stmt): Diagnose break within omp for.
11727 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11728 (build_unary_op): Return error_mark after reporting
11730 (build_modify_expr): Likewise.
11731 * gimplify.c: Include optabs.h and pointer-set.h.
11732 (enum gimplify_omp_var_data): Declare.
11733 (struct gimplify_omp_ctx): Declare.
11734 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11736 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11737 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11738 (splay_tree_compare_decl_uid): New.
11739 (new_omp_context): New.
11740 (delete_omp_context): New.
11741 (gimple_add_tmp_var): Call omp_add_variable.
11742 (gimplify_bind_expr): Likewise.
11743 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11744 true, disregard DECL_VALUE_EXPR on the decl if any.
11745 (gimplify_expr_in_ctx): New.
11746 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11747 omp_add_variable, omp_notice_variable, omp_is_private
11748 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11749 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11750 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11751 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11752 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11753 gimplify_omp_atomic): New.
11754 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11755 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11756 OMP_CRITICAL and OMP_ATOMIC.
11757 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11758 * c-pragma.h (enum pragma_kind): Add
11759 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11760 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11761 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11762 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11763 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11764 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11765 PRAGMA_OMP_THREADPRIVATE.
11766 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11767 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11768 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11769 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11770 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11771 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11772 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11773 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11774 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11775 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11776 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11777 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11778 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11780 (struct nesting_info): Add field_map,
11781 suppress_expansion, debug_var_chain.
11782 (create_nesting_tree): Initialize them.
11783 (lookup_field_for_decl): Use field_map.
11784 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11785 (convert_local_omp_clauses): New.
11786 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11787 (walk_body): Split out of walk_function.
11788 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11789 (convert_nonlocal_reference): Handle omp statements.
11790 (convert_local_reference): Likewise.
11791 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11792 (unnest_nesting_tree): New.
11793 (lower_nested_functions): Call it.
11794 (insert_field_into_struct): Make extern.
11795 (struct walk_stmt_info): Move to tree-gimple.h.
11796 (walk_stmts): Make extern.
11797 * omp-builtins.def: New file.
11798 * tree-iterator.c (expr_only): Clarify comment.
11799 * c-common.h (pushdecl_top_level, pushdecl,
11800 build_modify_expr, build_indirect_ref,
11801 c_finish_omp_master, c_finish_omp_critical,
11802 c_finish_omp_ordered, c_finish_omp_barrier,
11803 c_finish_omp_atomic, c_finish_omp_flush,
11804 c_finish_omp_for, c_split_parallel_clauses,
11805 omp_clause_default_kind, c_omp_sharing_predetermined,
11806 c_omp_remap_decl): Declare.
11807 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11808 (OBJS-common): Add omp-low.o.
11809 (c-omp.o, omp-low.o): Add.
11810 (gimplify.o): Add dependency on $(OPTABS_H).
11811 (GTFILES): Add omp-low.c.
11812 (gt-stringpool.h): Add.
11813 * tree-cfg.c (set_bb_for_stmt): Do not update the
11814 block-to-labels map if we are currently expanding to RTL.
11815 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11817 Handle IDENTIFIER_NODE.
11818 (tree_verify_flow_info): Do not ICE when emitting error
11819 messages about invalid labels.
11820 (dump_function_to_file): Reset CFUN before emitting the body
11822 (debug_function): New.
11823 * passes.c (init_optimization_passes): Schedule
11825 * langhooks-def.h (lhd_omp_predetermined_sharing,
11826 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11828 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11829 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11830 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11831 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11832 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11833 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11834 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11835 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11836 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11837 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11838 (LANG_HOOK_DECLS): Use them.
11840 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11841 Richard Henderson <rth@redhat.com>
11842 Jakub Jelinek <jakub@redhat.com>
11843 Diego Novillo <dnovillo@redhat.com>
11845 * c-parser.c (pragma_omp_clause): Define.
11846 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11847 (c_parser_compound_statement): Likewise.
11848 (c_parser_statement): Likewise.
11849 (c_parser_pragma): Handle omp pragmas.
11850 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11851 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11852 (c_parser_omp_clause_name, check_no_duplicate_clause,
11853 c_parser_omp_variable_list,
11854 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11855 c_parser_omp_clause_copyprivate,
11856 c_parser_omp_clause_default,
11857 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11858 c_parser_omp_clause_lastprivate,
11859 c_parser_omp_clause_nowait,
11860 c_parser_omp_clause_num_threads,
11861 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11862 c_parser_omp_clause_reduction,
11863 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11864 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11865 c_parser_omp_atomic, c_parser_omp_barrier,
11866 c_parser_omp_critical, c_parser_omp_flush,
11867 c_parser_omp_for_loop, c_parser_omp_for,
11868 c_parser_omp_master, c_parser_omp_ordered,
11869 c_parser_omp_sections_scope, c_parser_omp_sections,
11870 c_parser_omp_parallel, c_parser_omp_single,
11871 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11872 * c-pragma.c (init_pragma): Do omp pragma registration here.
11873 * c.opt (fopenmp): New flag.
11875 2006-01-18 Eric Christopher <echristo@apple.com>
11877 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11878 * config/darwin.h (GOMP_SELF_SPECS): Define.
11880 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11882 * rtl.h: Remove the prototype for reg_alloc.
11884 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11887 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11888 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11889 sjlj and dwarf2 exception handling.
11890 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11891 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11892 * pa/pa.c (function_value): Treat complex and vector types as
11894 (function_arg): Likewise. Only pass scalar floats in the floating
11895 point argument registers.
11896 * pa/t-slibgcc-dwarf-ver: New file.
11897 * pa/t-slibgcc-sjlj-ver: New file.
11898 * pa/t-slibgcc-elf-ver: Delete file.
11900 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11902 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11903 unlikely_test_section_p test.
11905 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11907 * mode-switching.c (optimize_mode_switching): Make it static.
11908 * basic-block.h: Remove the prototype for
11909 optimize_mode_switching.
11911 * modulo-sched.c (sms_schedule): Make it static.
11912 * rtl.h: Remove the prototype for sms_schedule.
11914 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11915 * rtl.h: Remove the prototype for gcse_after_reload_main.
11917 * reg-stack.c (reg_to_stack): Make it static.
11918 * rtl.h: Remove the prototype for reg_to_stack.
11920 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11922 * rtl.h: Remove the prototypes for regrename_optimize and
11923 copyprop_hardreg_forward.
11925 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11927 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11928 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11929 Test against the appropriate null constant for the mode.
11930 If 'fixup_overlap' is true, swap the operands if they overlap.
11931 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11932 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11933 alpha_split_tmode_pair and adjust for above change.
11934 * config/alpha/alpha.md (movtf_internal): Adjust call to
11935 alpha_split_tfmode_pair and rely on it to swap the operands.
11936 (movti_internal): New insn and post-reload splitter.
11937 (movti): New expander.
11939 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11941 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11944 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11946 * rtlanal.c (global_reg_mentioned_p_1,
11947 global_reg_mentioned_p): Remove.
11948 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11950 * flow.c (initialize_uninitialized_subregs): Make it static.
11951 * rtl.h: Remove the prototype for
11952 initialize_uninitialized_subregs.
11954 * function.c (instantiate_virtual_regs): Make it static.
11955 * function.h: Remove the prototype for
11956 instantiate_virtual_regs.
11958 * regmove.c (regmove_optimize, combine_stack_adjustments):
11960 * rtl.h: Remove the prototypes for regmove_optimize and
11961 combine_stack_adjustments.
11963 2006-01-17 Roger Sayle <roger@eyesopen.com>
11965 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11966 (size_cost): Encode costs in bytes so that a reg-reg addition is
11967 equivalent to COSTS_N_INSNS(1).
11968 (override_options): Use the size_cost.branch_cost as the default
11969 ix86_branch_cost when optimizing for size.
11971 2006-01-18 Ben Elliston <bje@au.ibm.com>
11973 * Makefile.in (D32PBIT_FUNCS): New.
11974 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11975 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11976 D64PBIT_FUNCS and D128PBIT_FUNCS.
11977 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11978 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11980 (decnumber_dep): Define.
11981 * doc/libgcc.texi (Decimal float library routines): New node.
11982 * config/dfp-bit.h, config/dfp-bit.c: New files.
11984 2006-01-18 Ben Elliston <bje@au.ibm.com>
11986 * expr.c (emit_move_change_mode): Always adjust addresses, not
11987 just during reload. Copy replacements only during reload.
11988 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11989 emit_move_via_integer.
11991 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11993 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11994 instead of $(srcdir) and ${srcdir}.
11996 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11999 PR middle-end/11135
12000 * arm.h (struct machine_function): Add pic_reg.
12001 * arm.c (arm_pic_register): Make unsigned.
12002 (arm_override_options): Only set arm_pic_register if
12003 TARGET_SINGLE_PIC_BASE.
12004 (use_return_insn): Only test for a pic register if it is fixed.
12005 (arm_compute_save_reg0_reg12_mask): Likewise.
12006 (thumb_compute_save_reg_mask): Likewise.
12007 (legitimate_pic_operand): Factor out some known invariants.
12008 (legitimize_pic_address): If we don't have a fixed pic register,
12009 then set up a pseudo in the function entry sequence. Handle the
12010 pic base being in a pseudo.
12011 (arm_load_pic_register): Handle the pic register being in a pseudo.
12012 (arm_expand_prologue): Only set up the pic register if it is fixed.
12013 (thumb_expand_prologue): Likewise.
12014 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12015 (pic_load_addr_based_insn): Likewise.
12016 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12019 2006-01-18 Ben Elliston <bje@au.ibm.com>
12021 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12022 decimal float modes for all floating point registers.
12024 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12025 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12027 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12030 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12031 even when the pointer is not NULL.
12033 2006-01-16 Ian Lance Taylor <ian@airs.com>
12035 * common.opt (ftoplevel-reorder): New option.
12036 * cgraph.c (cgraph_asm_nodes): New global variable.
12037 (cgraph_asm_last_node): New static variable.
12038 (cgraph_order): New global variable.
12039 (cgraph_create_node): Set new order field.
12040 (cgraph_varpool_node): Likewise.
12041 (decide_is_variable_needed): Return true if not
12042 flag_toplevel_reorder.
12043 (cgraph_add_asm_node): New function.
12044 * cgraph.h (struct cgraph_node): Add order field.
12045 (struct cgraph_varpool_node): Add order field.
12046 (struct cgraph_asm_node): Define.
12047 (cgraph_asm_nodes, cgraph_order): Declare.
12048 (cgraph_add_asm_node): Declare.
12049 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12051 (cgraph_varpool_assemble_pending_decls): Call it.
12052 (cgraph_output_pending_asms): New static function.
12053 (cgraph_finalize_compilation_unit): Call it.
12054 (struct cgraph_order_sort): Define.
12055 (cgraph_output_in_order): New static function.
12056 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12057 !flag_toplevel_reorder case.
12058 * c-parser.c: Include "cgraph.h".
12059 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12061 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12062 than -fno-unit-at-a-time.
12063 * doc/invoke.texi (Option Summary): Mention
12064 -fno-toplevel-reorder.
12065 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12066 -funit-at-a-time documentation.
12068 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12069 Kazu Hirata <kazu@codesourcery.com>
12071 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12073 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12075 * Makefile.in (FUNCTION_H): New. Use it instead of
12076 function.h throughout the file.
12077 * function.h: Include tree.h.
12079 2006-01-17 Ben Elliston <bje@au.ibm.com>
12081 * recog.c: Separate some functions with whitespace.
12083 2006-01-16 Richard Henderson <rth@redhat.com>
12085 Merge from gomp branch:
12086 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12087 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12088 and rename from struct inline_data. Rename callee* to dst*;
12089 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12090 transform_new_cfg, transform_return_to_modify, and
12091 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12093 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12094 (copy_decl_for_dup): Remove.
12095 * tree-inline.c (struct inline_data): Move to header.
12096 (insert_decl_map): Export.
12097 (remap_decl): Update for member name changes. Use copy_decl hook.
12098 Allow for replacement to be a non-decl. Remove dead code.
12099 (remap_type_1): Check for existing mapping.
12100 (remap_type): Export.
12101 (remap_decls): Update for member name changes.
12102 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12103 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12104 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12105 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12106 (tree_function_versioning, build_duplicate_type): Likewise.
12107 (copy_body_r): Likewise. Export.
12108 (copy_decl_for_dup): Split into ...
12109 (copy_decl_for_dup_finish, copy_decl_to_var,
12110 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12111 (replace_ref_tree, inlining_p): Remove.
12113 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12115 * ifcvt.c (if_convert): Make it static.
12116 * rtl.h: Remove the prototype for if_convert.
12118 * local-alloc.c (local_alloc): Make it static.
12119 * rtl.h: Remove the prototype for local_alloc.
12121 * loop.c (loop_optimize): Make it static.
12122 * cfgloop.h: Remove the prototype for loop_optimize.
12125 2006-01-16 DJ Delorie <dj@redhat.com>
12127 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12130 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12132 * pa.md: Disparage copies between general and floating-point registers
12133 in 32-bit move patterns.
12135 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12138 * Makefile.in (check-%): Depend on site.exp instead of
12139 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12142 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12144 * global.c (global_alloc): Make it static.
12145 * rtl.h: Remove the prototype for global_alloc.
12147 2006-01-16 Richard Guenther <rguenther@suse.de>
12149 * tree-ssa-alias.c (struct used_part): Add write_only field.
12150 (get_or_create_used_part_for): Initialize it to true.
12151 (create_overlap_variables_for): Don't create structure variables
12152 for structures that only are written to.
12153 (find_used_portions): Handle MODIFY_EXPR to track whether a
12154 structure is only written to.
12156 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12158 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12160 * basic-block.h: Remove the prototype for
12161 partition_hot_cold_basic_blocks.
12163 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12165 * cppspec.c (lang_specific_spec_functions): Remove.
12166 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12167 * gcc.h (lang_specific_spec_functions): Remove.
12168 * gccspec.c (lang_specific_spec_functions): Remove.
12170 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12172 * combine.c (record_value_for_reg): Invalidate registers
12174 (record_dead_and_set_regs_1): Likewise, by passing them to
12175 record_value_for_reg.
12176 (record_dead_and_set_regs): Invalidate stores made by a
12177 call. We do not combine across a call, but we still
12178 relied on equivalences.
12180 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12182 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12183 vrp_int_const_binop returning non-constant nodes.
12185 2006-01-16 Paul Brook <paul@codesourcery.com>
12187 * config/m68k/m68k.c (output_move_const_into_data_reg):
12188 Output correct mnemonic for mvz and mvs.
12190 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12192 * rtl-factoring.c: Add sequence abstraction algorithm.
12193 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12194 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12196 (block_has_preserve_label): New function.
12197 * common.opt: Register new pass.
12198 * Makefile.in: Ditto.
12200 * timevar.def: Ditto.
12201 * tree-pass.h: Ditto.
12202 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12203 * rtl.h (make_jump_insn_raw): Add forward decl.
12204 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12206 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12207 Roger Sayle <roger@eyesopen.com>
12209 * fold-const.c (fold_minmax): New static function.
12210 (fold_binary) <MIN_EXPR>: Call it.
12211 <MAX_EXPR>: Likewise.
12212 * stor-layout.c (place_field): Use DECL_SIZE consistently
12213 in the computation of the new record size.
12215 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12217 * cse.c (cse_condition_code_reg): Make it static.
12218 * rtl.h: Remove the prototype for cse_condition_code_reg.
12220 * combine.c (combine_instructions): Make it static.
12221 * rtl.h: Remove the prototype for combine_instructions.
12223 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12226 * tree.c (get_file_function_name_long): Concatenate the first global
12227 object name with a string derived from the input filename of the object
12230 2006-01-16 Ben Elliston <bje@au.ibm.com>
12232 * config/i386/winnt-stubs.c: Update FSF address.
12233 * config/xtensa/ieee754-df.S: Ditto.
12234 * config/xtensa/ieee754-sf.S: Ditto.
12236 2006-01-14 Ian Lance Taylor <ian@airs.com>
12238 * ifcvt.c (noce_init_if_info): New static function, broken out of
12239 noce_process_if_block.
12240 (noce_process_if_block): Call noce_init_if_info.
12241 (check_cond_move_block): New static function.
12242 (cond_move_process_if_block): New static function.
12243 (process_if_block): Call cond_move_process_if_block.
12245 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12247 * cselib.c (hash_table): Rename to cselib_hash_table.
12248 (cselib_clear_table, discard_useless_values,
12249 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12250 cselib_init, cselib_finish): Adjust uses of hash_table.
12252 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12254 PR tree-optimization/25485
12255 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12256 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12257 is known to be false and true, respectively.
12259 2006-01-14 Richard Guenther <rguenther@suse.de>
12261 PR tree-optimization/22548
12262 PR tree-optimization/22555
12263 PR tree-optimization/22501
12264 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12265 * params.def (salias-max-array-elements): New parameter.
12266 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12267 * doc/invoke.texi (salias-max-array-elements): Document.
12268 * tree-flow-inline.h (var_can_have_subvars): We also handle
12270 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12272 * tree-ssa-structalias.c (params.h): Include.
12273 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12274 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12275 (get_constraint_for): For ADDR_EXPR operating on something
12276 containing an ARRAY_REF, add all subvars to the solution.
12277 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12278 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12279 for creating MUST_DEFs.
12280 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12282 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12284 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12286 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12287 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12288 number_of_iterations_le): New functions.
12289 (number_of_iterations_special): Removed.
12290 (number_of_iterations_exit): Do not use number_of_iterations_special.
12291 * tree.c (unsigned_type_for): Always return integer type.
12293 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12294 Richard Guenther <rguenther@suse.de>
12296 PR rtl-optimization/24257
12297 * gcse.c (find_moveable_store): Only consider a store movable
12298 when the SET_SRC of the insn can be assigned to a register.
12300 2006-01-14 Ian Lance Taylor <ian@airs.com>
12302 * tree.c (tree_not_class_check_failed): New function.
12303 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12304 (tree_not_class_check_failed): Declare.
12306 2006-01-13 Ian Lance Taylor <ian@airs.com>
12308 * reload1.c (do_output_reload): Add assertion rejecting a
12311 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12313 * combine.c (struct reg_stat): Add new fields truncation_label and
12315 (record_value_for_reg): Reset truncated_to_mode.
12316 (record_truncated_value): New function.
12317 (check_promoted_subreg): Call it. Rename to check_conversions.
12318 (combine_instructions): Rename check_promoted_subreg to
12320 (reg_truncated_to_mode): New function.
12321 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12322 (gen_lowpart_or_truncate): New function.
12323 (force_to_mode): Use it instead of gen_lowpart.
12325 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12327 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12328 VAR is a tag, not its type tag.
12330 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12332 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12333 alternatives to match style of other entries.
12334 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12336 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12338 PR tree-optimization/25771
12339 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12342 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12345 * tree-inline.c (declare_return_variable): If the return variable
12346 was marked as a non gimple complex, set the return slot variable
12347 to be a non gimple comple variable.
12349 2006-01-13 Richard Guenther <rguenther@suse.de>
12351 * builtins.c (expand_builtin_sincos): New function.
12352 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12354 (expand_builtin): Expand sincos using expand_builtin_sincos.
12356 2006-01-12 DJ Delorie <dj@redhat.com>
12358 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12359 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12360 so that constant shifts can be split.
12361 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12362 (m32c_valid_pointer_mode): Make static.
12363 (shift_gen_func_for): New.
12364 (m32c_prepare_shift): Use it. Split large const shifts into
12366 * config/m32c/predicates.md (shiftcount_operand): Allow more
12368 (longshiftcount_operand): New.
12369 * doc/md.texi (Machine Constraints): Document In6.
12371 2006-01-13 Ben Elliston <bje@au.ibm.com>
12373 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12374 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12377 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12379 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12380 to try to avoid clobbering pieces of structures when we know
12381 something about the whole structure.
12382 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12384 2006-01-13 Ben Elliston <bje@au.ibm.com>
12386 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12387 return in memory, as this is no limitation is no longer present.
12389 2006-01-12 DJ Delorie <dj@redhat.com>
12391 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12392 mova with fb, and for fb+0 -> An.
12394 * config/m32c/mov.md (peephole2): Fix enabling logic.
12396 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12397 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12398 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12399 FINI_ARRAY_SECTION_ASM_OP): Define.
12401 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12403 (m32c_legitimize_reload_address): New logic to reload FB to An.
12404 (m32c_output_reg_push): Add newline.
12405 (m32c_output_reg_pop): Likewise.
12407 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12409 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12411 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12413 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12415 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12417 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12420 2006-01-11 Ben Elliston <bje@au.ibm.com>
12422 * rtlanal.c (find_reg_note): Assert insn is not null.
12424 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12426 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12429 2006-01-11 Jeff Law <law@redhat.com>
12431 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12433 (mark_threaded_blocks, register_jump_thread): New functions.
12434 (thread_through_all_blocks): Remove unwanted argument. No
12435 longer rely on e->aux to communicate thread target info.
12436 Call mark_threaded_blocks. Release the threaded_blocks
12437 bitmap and threaded_edges vector when complete.
12438 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12439 (threaded_blocks): Remove.
12440 (tree_ssa_dominator_optimize): Remove initialization and
12441 finalization of threaded_blocks. Simplify call to
12442 thread_through_all_blocks.
12443 (thread_across_edge): Call register_jump_thread rather than
12444 storing thread information into e->aux.
12445 (free_all_edge_infos): Simplify now that e->aux is no longer
12446 used to communicate with thread_through_all_blocks.
12447 * tree-flow.h (thread_through_all_blocks): Update prototype.
12448 (register_jump_thread): Prototype.
12450 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12452 * df-core.c (df_compact_blocks, df_bb_replace): Use
12453 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12455 2006-01-11 Richard Guenther <rguenther@suse.de>
12457 PR tree-optimization/25734
12458 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12459 stop propagation after successful propagation to the LHS.
12461 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12463 * basic-block.h (control_flow_graph): Change the type of
12464 x_basic_block_info to VEC(basic_block,gc) *.
12465 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12467 (SET_BASIC_BLOCK): New.
12468 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12469 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12470 * cfgbuild.c (find_basic_blocks): Likewise.
12471 * cfglayout.c (fixup_reorder_chain): Likewise.
12472 * cfgrtl.c (create_basic_block_structure,
12473 rtl_create_basic_block): Likewise.
12474 * ifcvt.c (find_if_case_1): Likewise.
12475 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12478 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12480 * Makefile.in: Removed rotted odf.c entry.
12482 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12485 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12486 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12487 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12488 output pattern modifier, not %e.
12489 * config/cris/cris.c (cris_op_str): Update comment about pattern
12491 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12492 before falling through into...
12493 <case 'E'>: Redefined from old 'e' case.
12495 2006-01-11 Jan Hubicka <jh@suse.cz>
12498 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12500 2006-01-11 Jan Hubicka <jh@suse.cz>
12502 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12503 * i386.c (x86_decompose_lea): Kill.
12504 (ix86_rtx_costs): Kill.
12506 2006-01-11 Jan Hubicka <jh@suse.cz>
12508 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12509 * cgraph.h (cgraph_node): Add inline_decl.
12510 (cgraph_insert_node_to_hashtable): Declare.
12511 (save_inline_function_body): Declare.
12512 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12514 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12515 (cgraph_function_versioning): Update call of tree_function_versioning.
12516 (save_inline_function_body): New function.
12517 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12518 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12519 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12520 (cgraph_default_inline_p): Likewise.
12521 (cgraph_decide_inlining_incrementally): Likewise.
12522 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12523 (copy_bb): Kill saving; do updating of clones.
12524 (copy_cfg_body): Kill saving.
12525 (initialize_inlined-parameters): Likewise.
12526 (expand_call_inline): Likewise.
12528 (tree_function_versioning): New parameter "update_clones".
12529 (inlining_p): Kill saving.
12530 * tree-inline.h (tree_function_versioning): Update prototype.
12531 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12534 2006-01-11 Ian Lance Taylor <ian@airs.com>
12536 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12537 Allow undoing set of machine mode.
12538 (do_SUBST): Use enums instead of is_int.
12539 (do_SUBST_MODE): New function.
12540 (SUBST_MODE): New macro.
12541 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12542 reg and trying to replace reg_regno_rtx with a new register.
12543 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12544 (simplify_set): Use SUBST_MODE.
12545 (distribute_notes): Remove code that tried to update reg notes
12546 for regno_reg_rtx changes.
12548 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12550 PR tree-optimization/23109
12551 PR tree-optimization/23948
12552 PR tree-optimization/24123
12554 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12555 * tree-cfg.c (single_noncomplex_succ): New.
12556 * tree-flow.h (single_noncomplex_succ): Declare it.
12557 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12558 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12559 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12560 insert_bb, register_division_in, insert_reciprocals,
12561 replace_reciprocal, free_bb): New.
12562 (execute_cse_reciprocals_1): Rewritten.
12563 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12564 Do not commit any edge insertion. Always compute dominators and
12565 create the allocation pool.
12566 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12567 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12568 * targhooks.c (default_min_divistions_for_recip_mul): New.
12569 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12570 * passes.c (init_optimization_passes): Run recip after tree loop
12572 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12574 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12575 Kenneth Zadeck <zadeck@naturalbridge.com>
12577 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12578 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12579 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12580 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12581 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12582 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12583 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12584 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12585 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12586 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12587 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12588 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12589 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12590 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12591 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12592 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12593 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12594 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12595 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12596 DF_SCAN_POST_ALLOC): New macros.
12597 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12598 df_free_bb_function, df_local_compute_function, df_init_function,
12599 df_dataflow_function, df_confluence_function_0,
12600 df_confluence_function_n, df_transfer_function,
12601 df_finalizer_function, df_free_function, df_dump_problem_function,
12602 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12603 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12604 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12605 df_urec_bb_info, ) New types.
12606 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12608 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12609 df_analyze_simple_change_some_blocks,
12610 df_analyze_simple_change_one_block, df_compact_blocks,
12611 df_bb_replace, df_bb_regno_last_use_find,
12612 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12613 df_insn_regno_def_p, df_find_def, df_find_use,
12614 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12615 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12616 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12617 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12618 debug_df_chain, df_get_dependent_problem, df_chain_create,
12619 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12620 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12621 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12622 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12623 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12624 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12625 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12626 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12627 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12628 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12629 df_reorganize_refs, df_set_state, df_hard_reg_init,
12630 df_read_modify_subreg_p) New public functions.
12631 * df-core.c: The core dataflow solver and glue routines for rtl
12633 (df_init, df_add_problem, df_set_blocks, df_finish,
12634 df_hybrid_search_forward, df_hybrid_search_backward,
12635 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12636 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12637 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12638 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12639 df_reg_defined, df_find_use, df_reg_used, df_dump,
12640 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12641 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12642 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12643 debug_df_useno, reset_df_after_reload): New functions.
12644 * df-scan.c: The scanning fuctions, once in df.c, completely
12645 rewritten so that they now fully model the functionality of
12646 register usage at the backend.
12647 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12648 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12649 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12650 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12651 df_get_artificial_defs, df_get_artificial_uses,
12652 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12653 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12654 df_refs_delete, df_reorganize_refs, df_set_state,
12655 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12656 df_def_record_1, df_defs_record, df_uses_record,
12657 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12658 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12659 df_record_exit_block_uses, df_hard_reg_init): New functions.
12661 * df-problems.c: Seven concrete dataflow problems that use the
12662 scanning in df-scan.c and are solved by the engine in df-core.c.
12663 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12664 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12665 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12666 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12667 df_ru_free_bb_info, df_ru_alloc,
12668 df_ru_bb_local_compute_process_def,
12669 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12670 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12671 df_ru_transfer_function, df_ru_free, df_ru_dump,
12672 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12673 df_rd_free_bb_info, df_rd_alloc,
12674 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12675 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12676 df_rd_transfer_function, df_rd_free, df_rd_dump,
12677 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12678 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12679 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12680 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12681 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12682 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12683 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12684 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12685 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12686 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12687 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12688 df_urec_mark_reg_use_for_earlyclobber,
12689 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12690 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12691 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12692 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12693 df_chain_create_bb_process_use, df_chain_create_bb,
12694 df_chain_finalize, df_chain_free, df_chains_dump,
12695 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12696 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12697 df_reg_lifetime): New functions.
12698 * df.c: Deleted file.
12699 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12700 consistent with new df api.
12701 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12702 rest_of_handle_sms): Ditto.
12703 * web.c (unionfind_union, union_defs, entry_register, web_main):
12705 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12706 invariant_expr_equal_p, find_defs, check_dependencies,
12707 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12708 free_inv_motion_data, move_loop_invariants): Ditto.
12709 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12710 Update dependencies.
12711 (odf.c): Added defective entry that was deleted later in day.
12712 * sched-deps.c (sched_analyze_1): Ditto.
12714 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12716 * tree-ssa-operands.c (get_expr_operands): Record addressable
12717 variables directly. Do not call add_stmt_operands for CONST_DECLs
12719 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12720 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12722 2006-01-11 Ben Elliston <bje@au.ibm.com>
12724 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12725 function returns true in the positive case.
12727 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12730 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12731 for SI, DI, SF and DF modes. Add alternatives to copy between
12732 general and floating point registers to the 32-bit patterns.
12733 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12734 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12735 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12736 generating 64-bit code.
12737 * config/pa/pa.c (output_move_double): Handle copies between general
12738 and floating registers.
12740 2006-01-10 Stuart Hastings <stuart@apple.com>
12742 * config/i386/i386.md (set_got): Update.
12743 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12744 (builtin_setjmp_receiver): Mach-O support.
12745 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12746 (GOT_SYMBOL_NAME): Define.
12747 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12748 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12749 * config/i386/i386.c (override_options): Revise for Darwin.
12750 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12751 support. (darwin_x86_file_end): New. (output_set_got): Add label
12752 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12753 * config/i386/i386-protos.h (output_set_got): Likewise.
12754 * config/darwin.c (machopic_legitimize_pic_address): Update
12757 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12759 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12760 when MODE isn't BLKmode.
12762 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12764 PR rtl-optimization/25367
12765 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12767 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12770 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12771 for a negative bound.
12773 2006-01-10 Richard Guenther <rguenther@suse.de>
12775 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12776 Never override with anything constraint.
12778 2006-01-10 Jan Beulich <jbeulich@novell.com>
12780 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12781 256 bits when optimize_size.
12783 2006-01-10 Jan Beulich <jbeulich@novell.com>
12785 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12787 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12788 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12791 2006-01-10 Ben Elliston <bje@au.ibm.com>
12793 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12795 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12796 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12797 (USE_FP_FOR_ARG): Reject decimal float modes.
12798 (function_arg_advance): Likewise.
12799 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12800 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12801 point types in AltiVec vectors.
12802 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12803 (rs6000_libcall_value): Likewise.
12805 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12807 * config/xtensa/ieee754-df.S: New file.
12808 * config/xtensa/ieee754-sf.S: New file.
12809 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12810 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12811 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12813 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12815 * config/sh/predicates.md (binary_float_operator,
12816 binary_logical_operator, commutative_float_operator,
12817 equality_comparison_operator, greater_comparison_operator,
12818 less_comparison_operator, logical_operator,
12819 noncommutative_float_operator, shift_operator,
12820 symbol_ref_operand, unary_float_operator): Remove redundant
12823 2006-01-09 Jeff Law <law@redhat.com>
12825 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12826 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12827 now unused arguments. Callers updated.
12828 (eliminate_redundant_computations): Remove now unused arguments,
12830 (local_fold): Remove, no longer used.
12831 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12833 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12834 (simplify_cond): New function.
12835 (forward_propagate_into_cond): Call simplify_cond.
12837 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12839 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12840 (*vec_extractv2di_1_sse): New.
12842 2006-01-09 Ben Elliston <bje@au.ibm.com>
12844 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12846 2006-01-08 Richard Guenther <rguenther@suse.de>
12848 * tree-ssa-structalias.c (get_constraint_for): Remove
12849 anyoffset argument.
12850 (get_constraint_for_component_ref): Likewise.
12851 (do_deref): Likewise.
12852 (get_constraint_for): Likewise.
12853 (do_structure_copy): Likewise.
12854 (handle_ptr_arith): Likewise.
12855 (find_func_aliases): Likewise. Remove unused need_anyoffset
12858 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12859 Kaz Kojima <kkojima@gcc.gnu.org>
12861 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12862 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12863 (EXTRA_CONSTRAINT_C16): Remove.
12864 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12865 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12866 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12867 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12868 constants of SHmedia. Handle nested constant expressions of
12870 (andcosts): Fix the costs for SHmedia constants.
12871 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12872 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12873 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12874 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12875 (movv4hi_i, movv2si_i): Likewise.
12876 (movsi_const): Adjust the second operand of ior so to match with
12877 the Csu constraint.
12878 (movdi_const, movdi_const_32bit): Likewise.
12879 (movdi_const_16bit+1): Don't sign-extend LOW.
12880 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12882 (*double_shori): Fix the split condition. Use GEN_INT instead
12883 of get_int_mode calls. Mask lower 16-bit of the argument of
12885 (sym2GOTPLT): Remove.
12886 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12888 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12889 instead of EXTRA_CONSTRAINT_C16.
12891 2006-01-07 Ian Lance Taylor <ian@airs.com>
12892 David Edelsohn <edelsohn@gnu.org>
12894 PR rtl-optimization/25662
12895 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12896 for constant operands instead of simplify_gen_binary.
12897 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12898 after trying simplify_binary_operation
12900 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12902 * tree.c (iterative_hash_expr): Hash decls based on UID.
12904 2006-01-06 Eric Christopher <echristo@apple.com>
12906 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12907 (TARGET_UNWIND_EMIT): Fix spelling.
12908 * target.h (gcc_target): Add except_table_label.
12909 * except.c (output_function_exception_table): Use.
12910 * varasm.c (default_emit_except_table_label): New.
12911 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12913 (asm_out): Add here.
12914 * output.h (default_emit_except_table_label): Prototype.
12915 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12916 * config/darwin.c (darwin_emit_except_table_label): Define.
12917 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12919 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12921 PR tree-optimization/18527
12922 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12923 number_of_iterations_special, number_of_iterations_exit):
12924 Move base and step of an iv to a single structure. Add
12925 no_overflow flag, and use it in # of iterations analysis.
12926 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12927 folded_casts argument.
12928 (simple_iv): Pass base and step in a structure. Set no_overflow
12930 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12931 Evaluate expensiveness of computing # of iterations instead of
12932 the final expression.
12933 * tree-scalar-evolution.h (affine_iv): New structure.
12934 (simple_iv): Declaration changed.
12935 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12936 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12937 find_givs_in_stmt): Changed due to simple_iv change.
12939 2006-01-06 Jeff Law <law@redhat.com>
12942 * tree-cfg.c (bsi_replace): Rename final argument from
12943 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12944 change (stmt -> orig_stmt).
12945 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12946 (bsi_remove): Add new argument. Remove EH information
12948 (verify_eh_throw_table_statements): New function.
12949 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12951 * tree-optimize.c (execute_free_cfg_annotations): Verify
12952 the EH throw statement table after removing annotations.
12953 * except.h (verify_eh_throw_table_statements): Prototype.
12954 * tree-flow.h (bsi_remove): Update prototype.
12955 * tree-vrp.c (remove_range_assertions): Add new argument to
12957 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12958 * tree-complex.c (expand_complex_div_wide): Likewise.
12959 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12960 * tree-tailcall.c (eliminate_tailcall): Likewise.
12961 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12962 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12963 * tree-nrv.c (tree_nrv): Likewise.
12964 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12965 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12966 (combine_blocks): Likewise.
12967 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12968 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12969 (cleanup_control_flow): Likewise.
12970 (remove_forwarder_block): Likewise.
12971 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12972 * tree-sra.c (sra_replace): Likewise.
12973 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12974 (forward_propagate_single_use_vars): Likewise.
12975 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12976 * tree-inline.c (expand_call_inline): Likewise.
12977 * tree-vect-transform.c (vect_transform_loop): Likewise.
12978 * tree-outof-ssa.c (rewrite_trees): Likewise.
12979 * tree-cfg.c (make_goto_expr_edges): Likewise.
12980 (cleanup_dead_labels): Likewise.
12981 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12982 (bsi_move_before, bsi_move_after): Likewise.
12983 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12984 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12986 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12989 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12991 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12992 on non gimple variables. Also add checks at the top for decls and
12994 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12996 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12997 and IMAGPART_EXPR for creating MUST_DEFs.
12998 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12999 and NAME_MEMORY_TAG separately from the DECLs.
13001 2006-01-06 Richard Guenther <rguenther@suse.de>
13003 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13004 annotation, if necessary.
13005 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13006 redundant calls to update_stmt.
13007 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13010 2006-01-05 Richard Henderson <rth@redhat.com>
13012 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13014 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13016 * c-typeck.c: Update copyright date.
13018 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13020 * c-typeck.c (build_c_cast): Always warn when casting
13021 from a pointer to an integer of different size, even if
13022 the node was constant.
13024 2006-01-05 Richard Guenther <rguenther@suse.de>
13026 PR tree-optimization/22555
13027 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13028 if one structure field is an array.
13029 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13030 operands even if we found a subvar, but ignore VOPs in this
13032 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13034 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13036 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13038 PR middle-end/24998
13039 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13041 2006-01-05 Richard Guenther <rguenther@suse.de>
13042 Diego Novillo <dnovillo@redhat.com>
13044 * tree-pass.h (TODO_remove_unused_locals): Define.
13045 * gimple-low.c (expand_var_p, remove_useless_vars,
13046 pass_remove_useless_vars): Remove. Update all users.
13047 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13048 (remove_unused_locals): New function.
13049 * tree-flow.h (remove_unused_locals): Declare.
13050 * passes.c (execute_todo): Call remove_unused_locals if
13051 TODO_remove_unused_locals is set.
13052 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13053 * tree-ssa-dce.c (pass_dce): Likewise.
13054 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13056 2006-01-05 Richard Guenther <rguenther@suse.de>
13058 * tree-flow.h (struct fieldoff): Decompose field to
13059 type, size and decl.
13060 * tree-ssa-alias.c (create_sft): Take type as parameter.
13061 (create_overlap_variables_for): Store type, size and decl
13062 in the fieldoff structure.
13063 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13064 of struct fieldoff.
13065 (push_fields_onto_fieldstack): Likewise.
13066 (create_variable_info_for): Likewise. Use offset for the
13067 SFT name if the decl is not available.
13069 2006-01-04 Paul Brook <paul@codesourcery.com>
13071 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13073 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13075 * lambda-code.c (can_put_in_inner_loop): Relax
13077 (can_put_after_inner_loop): New function.
13078 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13079 (perfect_nestify): Change to make copies and modify uses.
13081 2006-01-04 Richard Henderson <rth@redhat.com>
13083 Merge from gomp branch:
13084 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13085 via integer constant.
13086 (pragma_lex): Remove.
13087 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13088 rather than parsing it.
13089 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13090 handle_pragma_extern_prefix): Add %< %> quotes.
13091 (registered_pragmas): New.
13092 (c_register_pragma_1): New.
13093 (c_register_pragma): Use it.
13094 (c_register_pragma_with_expansion): Likewise.
13095 (c_invoke_pragma_handler): New.
13096 (init_pragma): Use cpp_register_deferred_pragma directly for
13098 * c-pragma.h (enum pragma_kind): New.
13099 (pragma_handler): New.
13100 (c_invoke_pragma_handler): Declare.
13101 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13103 * c-common.h (c_common_pch_pragma): Update decl.
13104 * Makefile.in (c-parser.o): Update dependencies.
13105 (GTFILES): Add c-pragma.h.
13106 * c-parser.c (struct c_token): Add pragma_kind.
13107 (struct c_parser): Add in_pragma.
13108 (c_lex_one_token): Always initialize keyword and pragma_kind.
13109 Extract data for CPP_PRAGMA.
13110 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13111 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13112 Don't allow CPP_PRAGMA_EOL if in_pragma.
13113 (c_parser_consume_pragma): New.
13114 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13115 (c_parser_skip_to_end_of_parameter): Likewise.
13116 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13117 (c_parser_skip_to_pragma_eol): New.
13118 (c_parser_external_declaration): Handle CPP_PRAGMA.
13119 (c_parser_compound_statement_nostart): Likewise.
13120 (c_parser_statement_after_labels): Likewise.
13121 (c_parser_pragma): New.
13122 (pragma_lex): Likewise.
13123 (c_parser_pragma_pch_preprocess): New.
13124 (c_parser_new): Merge into ...
13125 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13127 2006-01-04 Jeff Law <law@redhat.com>
13130 * tree-cfg.c (bsi_replace): Remove the original statement
13131 from the EH throw statement table.
13133 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13135 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13136 make the prototype extern "C" and add throw ().
13139 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13140 and pos non-negative and pos + len <= 32.
13141 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13142 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13143 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13146 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13147 as well as sizes not multiple of component size.
13150 * function.c (instantiate_expr): New function.
13151 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13152 walk its DECL_VALUE_EXPR with instantiate_expr.
13154 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13155 DW_OP_deref{,_size} if address isn't going to be added.
13157 2006-01-04 Ben Elliston <bje@au.ibm.com>
13159 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13160 * config/fp-bit.c: Likewise.
13162 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13164 * dominance.c: Add comment about why we use DFS numbering
13167 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13168 Richard Henderson <rth@redhat.com>
13170 Merge from gomp-branch:
13171 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13172 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13174 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13176 PR rtl-optimization/25578
13177 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13178 pass a parameter to simplify_shift_const if changing ASHIFTRT
13181 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13183 * builtins.c (get_builtin_sync_mem): New function.
13184 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13185 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13186 Call get_builtin_sync_mem to generate mem rtx.
13188 2006-01-03 Richard Guenther <rguenther@suse.de>
13191 * stmt.c (add_case_node): Make sure to clear overflow flags
13194 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13196 Merge from gomp-branch.
13197 * config/sparc/sync.md: New file.
13198 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13199 UNSPECV_LDSTUB): New constants.
13200 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13201 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13202 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13205 2006-01-03 Roger Sayle <roger@eyesopen.com>
13207 * combine.c (reg_subword_p): New predicate to test whether the
13208 destination of a set refers to a subword/piece of a register.
13209 (try_combine): Generalize the code to merge the setting of a
13210 pseudo to a constant followed by a set of a subword of that
13211 register to a constant.
13213 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13215 * basic-block.h (control_flow_graph): Change the type of
13216 x_label_to_block_map to VEC(basic_block,gc) *.
13217 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13218 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13220 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13221 VEC(basic_block,heap) *.
13222 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13223 ssa_prop_fini): Adjust the uses of cfg_blocks.
13225 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13227 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13229 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13230 hashing trees instead of a pointer hash.
13231 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13232 compare for MEM_EXPR.
13234 PR rtl-optimization/25130
13235 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13236 when comparing MEMs for GCSE
13238 2006-01-03 Ben Elliston <bje@au.ibm.com>
13240 * targhooks.h (default_decimal_float_supported_p): Declare.
13241 * targhooks.c (default_decimal_float_supported_p): Define.
13242 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13243 `default_decimal_float_supported_p'.
13244 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13246 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13248 * combine.c (apply_distributive_law <SUBREG>): Check
13249 TRULY_NOOP_TRUNCATION.
13251 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13253 * dwarf2out.c (have_switched_text_section): Delete.
13254 (have_multiple_function_sections): New.
13255 (have_location_lists): Make 'bool'.
13256 (add_AT_loc_list): Use 'true' not '1'.
13257 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13258 (output_loc_list): Use have_multiple_function_sections.
13259 (output_ranges): Likewise.
13260 (dwarf2out_begin_function): Set have_multiple_function_sections if
13262 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13263 Check function_section rather than DECL_SECTION_NAME.
13264 (dwarf2out_finish): Use have_multiple_function_sections.
13265 Don't clear have_location_lists.
13267 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13268 Jan Hubicka <jh@suse.cz>
13270 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13271 case of conditional jump jumping to the next instruction.
13272 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13273 cases of conditional jump jumping to the next instruction.
13275 2006-01-02 Jan Hubicka <jh@suse.cz>
13277 * i386.c (*_cost): Add COSTS_N_INSNS.
13278 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13280 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13283 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13285 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13287 * config/arm/arm.c (all_fpus): Fix comment typo.
13288 * config/darwin.c: Likewise.
13289 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13290 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13291 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13293 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13295 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13296 (rs6000_split_compare_and_swapqhi): New.
13297 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13298 (sync_compare_and_swapqhi_internal): New.
13299 * config/rs6000/rs6000-protos.h: Declare.