1 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4 * tree-ssa-operands.c (access_can_touch_variable): Update
6 Return true if ALIAS is .GLOBAL_VAR.
8 2006-07-18 David Daney <ddaney@avtrex.com>
10 * gcc.c (display_help): Fix typo in help text.
12 2006-07-18 Olivier Hainque <hainque@adacore.com>
14 * tree.h (categorize_ctor_elements): Adjust prototype and add
15 descriptive comment, both in accordance with the interface change
17 * varasm.c (constructor_static_from_elts_p): New function.
18 Whether a constructor node is a valid static constant initializer
19 if all its elements are.
20 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
21 * output.h: Declare it.
22 * expr.c (categorize_ctor_elements_1): Return whether the constructor
23 is a valid constant initializer instead of computing the number of
24 non-constant elements. Use constructor_static_from_elts_p for this
25 purpose. Replace the head comment with an indication that this is a
26 helper for categorize_ctor_elements.
27 (categorize_ctor_elements): Same interface change as for the _1
28 helper. Former head comment from this helper moved here, adjusted to
29 account for the interface changes.
30 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
31 (all_zeros_p): Likewise.
32 * gimplify.c (gimplify_init_constructor): Decide whether we can make
33 static versions of the constructor from the categorize_ctor_elements
34 return value instead of the formerly computed number of non-constant
37 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
39 * configure: Regenerate.
40 * Makefile.in (build_libsubdir): New configure substitution
41 (build_libobjdir): New variable.
42 (BUILD_LIBIBERTY): Use it.
44 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
47 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
49 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
52 * c-common.c (handle_weakref_attribute): Ignore attribute in
53 the same conditions the alias attribute is ignored.
55 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
57 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
58 (dbxout_begin_prologue): Increment scope_labelno.
60 2006-07-17 Richard Henderson <rth@redhat.com>
63 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
66 2006-07-17 Roger Sayle <roger@eyesopen.com>
67 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
69 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
70 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
71 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
72 functions such as sbrk, write, etc.. Add function prototypes.
73 Convert function declarations from K&R to ISO C. Cast pointers
74 to "long" and "unsigned long" instead of "int" and "unsigned int".
75 Convert tokens following #endif into comments.
77 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
79 * invoke.texi: Remove mention of f77; Reformat table for
80 inline parameter options correctly; mention that -malign-double
81 is default on x86-64 targets.
83 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
85 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
86 (convert_affine_scev, chrec_convert_aggressive): Use
87 avoid_arithmetics_in_type_p. Do not check for the subtypes
90 2006-07-17 Richard Sandiford <richard@codesourcery.com>
93 * optabs.c (expand_doubleword_shift): Wrap the call to
94 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
96 2006-07-17 Richard Sandiford <richard@codesourcery.com>
99 * optabs.c (expand_binop): Pass next_methods rather than methods
100 to expand_doubleword_shift.
102 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
105 * tree.h (dump_addr): Declare.
106 * print-tree.c (dump_addr): New function.
107 (print_node_brief, print_node): Use it.
108 * print-rtl.c (print_rtx): Likewise.
109 * common.opt (-fdump-noaddr): New option.
110 * doc/invoke.texi (-fdump-noaddr): Document.
111 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
112 (ve_info_hash): Likewise.
114 2006-07-13 Andrew Haley <aph@redhat.com>
116 PR tree-optimization/19505
117 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
118 edge leaving this block, make sure that the destination of this
119 block has only one predecessor.
121 2006-07-17 Richard Guenther <rguenther@suse.de>
123 PR tree-optimization/28238
124 * tree-inline.c (copy_bb): Check if we produced valid
125 gimple copying and substituting a stmt. If not, gimplify
128 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
130 * optabs.c (maybe_encapsulate_block): New function extracted from...
131 (emit_libcall_block): ...here. Invoke it on the block of insns to
132 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
133 (emit_no_conflict_block): Likewise.
135 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
137 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
139 2006-07-15 Roger Sayle <roger@eyesopen.com>
141 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
142 a new NOP_EXPR case of the switch statement.
144 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
147 * stor-layout.c (place_field): Take the bit field with
148 an excessive size into account in the ms-bitfiled case.
151 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
152 the previous bit field.
154 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
157 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
159 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
161 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
162 signal frames correctly even when the signal was installed with
165 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
167 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
168 (dbxout_function_end): Use local label LFBB. Remove hook
170 (dbxout_source_line): Use local label LFBB.
171 (dbxout_block): Likewise.
172 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
173 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
174 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
177 2006-07-13 Janis Johnson <janis187@us.ibm.com>
179 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
181 2006-07-13 Jan Hubicka <jh@suse.cz>
183 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
185 * output.h (align_variable): Declare.
186 * varasm.c (align_variable): Export.
187 * value-prof.c (tree_value_profile_transformations): Recompute iterator
188 when basic block changed.
190 2006-07-13 Nick Clifton <nickc@redhat.com>
192 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
193 walking the LOG_LINKS chain.
195 2006-07-12 Geoffrey Keating <geoffk@apple.com>
197 * doc/invoke.texi (C++ Dialect Options): Explain difference
198 between -fvisibility-inlines-hidden and setting hidden
199 visibility explicitly.
201 2006-07-12 Eric Christopher <echristo@apple.com>
203 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
204 (stmp-lipo): Depend on libgcc.a.
206 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
208 * tree.c: Fix a comment typo.
210 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
212 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
214 (umulhisi3_r): Likewise.
216 2006-07-12 Paolo Carlini <pcarlini@suse.de>
219 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
220 x < 19, vs wchar_t support.
222 2006-07-12 Nick Clifton <nickc@redhat.com>
224 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
227 2006-07-12 Mike Stump <mrs@apple.com>
229 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
231 2006-07-10 Eric Christopher <echristo@apple.com>
233 * config/t-slibgcc-darwin: Rewrite.
235 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
238 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
241 2006-07-08 Matthias Klose <doko@debian.org>
243 * doc/sourcebuild.texi: Fix typo.
245 2006-07-07 Mike Stump <mrs@apple.com>
247 * toplev.c (process_options): Don't give -ffunction-sections may
248 affect debugging warning for Mach-O.
250 2006-07-07 James E Wilson <wilson@specifix.com>
252 * config/mips/mips.md (cpu): Add sb1a.
253 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
254 addition to sb1. Adjust comments to clarify SB-1A differences from
256 (ir_sb1a_load): New. Modify bypasses to use it.
257 (ir_sb1a_simple_alu): Likewise.
258 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
259 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
260 (mips_issue_rate): Add PROCESSOR_SB1A.
261 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
262 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
263 (TARGET_SB1): Add PROCESSOR_SB1A check.
264 (TUNE_SB1): Likewise.
266 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
267 * config/mips/mips.c (mips_store_data_bypass_p): New.
268 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
271 2006-07-08 Paul Brook <paul@codesourcery.com>
274 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
276 2006-07-07 Richard Guenther <rguenther@suse.de>
279 * tree.h (build_one_cst): Declare.
280 * tree.c (build_one_cst): New function.
281 * tree-ssa-math-opts.c (get_constant_one): Remove.
282 (insert_reciprocals): Use build_one_cst.
283 * fold-const.c (fold_plusminus_mult): Likewise.
285 2006-07-07 Roger Sayle <roger@eyesopen.com>
287 * pointer-set.c (pointer_set_destroy): Correct whitespace.
288 * cfgloopanal.c (dump_graph): Likewise.
289 * dojump.c (discard_pending_stack_adjust): Likewise.
290 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
292 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
293 * function.c (finalize_block_changes): Likewise.
294 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
295 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
296 * rtl.c (dump_rtx_statistics): Likewise.
297 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
299 * varray.c (dump_varray_statistics): Likewise.
300 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
301 decode_decimal64, encode_decimal128, decode_decimal128,
302 decimal_real_to_decimal): Likewise.
304 2006-07-07 Richard Guenther <rguenther@suse.de>
306 PR tree-optimization/28187
307 * tree-vrp.c (vrp_operand_equal_p): New function.
308 (vrp_bitmap_equal_p): Likewise.
309 (update_value_range): Use them to compare old and new
312 2006-07-06 Roger Sayle <roger@eyesopen.com>
314 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
315 a default case to switch statement to silence compiler warnings.
317 2006-07-06 Roger Sayle <roger@eyesopen.com>
320 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
321 the configured assembler supports the x87's ffreep mnemonic.
322 * configure: Regenerate.
323 * config.in: Regenerate.
325 * config/i386/i386.c (output_387_ffreep): New function.
326 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
327 (output_387_reg_move): Likewise.
329 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
331 Port to hosts whose 'sort' and 'tail' implementations
332 treat operands with leading '+' as file names, as POSIX
333 has required since 2001. However, make sure the code still
334 works on pre-POSIX hosts.
335 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
336 which says you should use "tail -c +N" rather than "tail +Nc".
337 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
339 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
341 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
344 2006-07-06 David Edelsohn <edelsohn@gnu.org>
347 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
348 PRE_{INC,DEC} of TFmode.
350 2006-07-06 David Edelsohn <edelsohn@gnu.org>
351 Alan Modra <amodra@bigpond.net.au>
354 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
357 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
360 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
361 Remove duplicate gtu.
363 2006-07-05 Jason Merrill <jason@redhat.com>
367 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
368 * c-common.c (handle_packed_attribute): So don't copy it here.
369 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
371 2006-07-05 Mike Stump <mrs@apple.com>
373 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
375 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
378 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
380 2006-07-05 Richard Guenther <rguenther@suse.de>
383 * config/i386/i386.md (*negdf2_1): Restrict pattern to
384 TARGET_SSE2 targets if using SSE math.
385 (*absdf2_1): Likewise.
387 2006-07-05 Richard Guenther <rguenther@suse.de>
389 PR tree-optimization/28162
390 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
391 make sure to convert the operands to the correct type.
393 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
395 PR tree-optimization/28218
397 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
398 to calculate and free the dominator information.
400 2006-07-04 Peter O'Gorman <peter@pogma.com>
402 * mklibgcc.in: chmod 644 before ranlib during install.
404 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
405 J"orn Rennecke <joern.rennecke@st.com>
407 * configure.ac (.eh_frame data check): Use diff -b.
409 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
412 * Makefile.in (BUILD_RTL): Add build/vec.o.
413 (build/gencondmd.o): Filter out -fkeep-inline-functions.
414 (build/genextract): Delete.
415 (build/genautomata): Likewise.
417 2006-07-04 Alan Modra <amodra@bigpond.net.au>
420 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
421 128-bit IBM long doubles for ABI_V4.
423 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
425 * tree.c (range_in_array_bounds_p): New predicate.
426 * tree.h (range_in_array_bounds_p): Declare it.
427 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
428 return a less conservative answer.
429 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
431 (IS_ELEMENT_FOR_GROUP): New macro.
432 (FOR_EACH_ACTUAL_CHILD): Likewise.
433 (next_child_for_group): New helper function.
434 (can_completely_scalarize_p): Take into account groups.
435 (sra_hash_tree): Handle RANGE_EXPR.
436 (sra_elt_eq): Likewise.
437 (lookup_element): Be prepared for handling groups.
438 (is_valid_const_index): Delete.
439 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
440 instead of is_valid_const_index.
441 <ARRAY_RANGE_REF>: New case.
442 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
443 is_valid_const_index.
444 <ARRAY_RANGE_REF>: Do not unconditionally punt.
445 (scan_dump): Dump info for groups too.
446 (decide_instantiation_1): Likewise.
447 (decide_block_copy): Assert that the element is not a group.
448 Propagate decision to groups.
449 (generate_one_element_ref): Handle RANGE_EXPR.
450 (mark_no_warning): Iterate over actual childs.
451 (generate_copy_inout): Likewise.
452 (generate_element_copy): Likewise.
453 (generate_element_zero): Likewise.
454 (generate_element_init_1): Likewise.
455 (dump_sra_elt_name): Handle RANGE_EXPR.
457 2006-07-03 Roger Sayle <roger@eyesopen.com>
459 PR tree-optimization/26251
460 * tree-ssa-threadupdate.c (redirection_block_p): New function.
461 (thread_block): When optimizing for size refuse to thread jumps
462 that would require duplication of blocks other than redirection
465 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
467 * configure.ac: Fix thinko in previous check-in.
468 * configure: Regenerate.
470 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
473 * configure.ac (for lang...): Simplify nesting of conditionals.
474 Test subdir_requires for non-enabled languages. Move processing
475 of lang_opt_files and lang_tree_fiels below that test.
476 * configure: Regenerate.
477 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
479 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
481 * doc/gcov.texi (Invoking Gcov): Add a missing word.
483 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
485 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
488 2006-06-29 Jason Merrill <jason@redhat.com>
495 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
496 * c-common.c (c_determine_visibility): Handle it here.
497 * c-decl.c (finish_decl): Call c_determine_visibility for
499 * flags.h (enum symbol_visibility): Sort from most to least visibility.
501 * varasm.c (default_assemble_visibility): Likewise.
502 * c-common.c (handle_visibility_attribute): Complain about trying
503 to give visibility to an already defined class, or trying to change
504 declared visibility. Always attach the attribute.
509 * attribs.c (decl_attributes): Ignore type-in-place attributes
510 once the type has been defined.
512 2006-06-29 Roger Sayle <roger@eyesopen.com>
515 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
516 to indicate the cpplib has issued an error message for us.
518 2006-06-29 Asher Langton <langton2@llnl.gov>
521 * config/i386/i386.c (ix86_output_function_epilogue): Don't
522 insert a label at the end of an function under Mach-O.
524 2006-06-29 Eric Christopher <echristo@apple.com>
525 Evan Cheng <evan.cheng@apple.com>
527 * predicates.md (vector_all_ones_operand): New.
528 (nonimmediate_or_sse_const_operand): Ditto.
529 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
530 * config/i386/i386.c (standard_sse_constant_opcode): Define.
531 (standard_sse_mode_p): Ditto.
532 (standard_sse_constant_p): Add case for -1 vector.
533 (ix86_expand_vector_move): Try to use.
534 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
535 Call standard_sse_constant_opcode.
536 (*movv4sf_internal): Ditto.
537 (*movv2df_internal): Ditto.
539 2006-06-29 Roger Sayle <roger@eyesopen.com>
541 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
542 of XEXP to extract the operands of a MATCH_CODE rtx.
544 2006-06-28 Andrew Pinski <pinskia@gmail.com>
546 * tree.c (tree_size): Do not waste tail padding in
547 struct tree_string and make the size be the same as
548 build_string will generate.
550 2006-06-28 Jason Merrill <jason@redhat.com>
553 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
554 may_aliases already in the tag's annotations to the bitmap.
556 2006-06-28 Roger Sayle <roger@eyesopen.com>
558 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
560 2006-06-28 Roger Sayle <roger@eyesopen.com>
562 * genpreds.c (generate_switch_p): New function.
563 (add_mode_tests): Push the new mode test down inside an AND expr
564 if this allows the switch-suitable MATCH_CODE to be near the root.
565 (write_match_code_switch): New function to write a MATCH_CODE as
567 (write_predicate_stmts): New function to write a predicate RTX
568 expression as a sequence of statements.
569 (write_one_predicate_function): Use write_predicate_stmts.
570 (write_tm_constrs_h): Likewise.
572 2006-06-26 Fred Fish <fnf@specifix.com>
574 * config/mips/t-sb1: New file.
575 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
578 2006-06-26 DJ Delorie <dj@redhat.com>
580 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
582 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
583 Jayant Sonar <jayants@kpitcummins.com>
584 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
586 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
587 (subsi3, subsi3_1, subsi3_2): New.
588 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
589 * config/m32c/mov.md (SI mov peephole): New.
590 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
591 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
593 2006-06-26 Olivier Hainque <hainque@adacore.com>
595 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
596 a CALL_EXPR target function declaration.
598 2006-06-26 Richard Guenther <rguenther@suse.de>
600 * tree.c (build_string): Do not waste tail padding in
603 2006-06-26 Richard Guenther <rguenther@suse.de>
605 * ggc-page.c (init_ggc): Add missing element to size_lookup
609 2006-06-23 Richard Guenther <rguenther@suse.de>
611 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
612 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
613 alignment requests instead. Add verification code.
614 Add struct tree_function_decl and struct tree_binfo size to
615 extra_order_size_table. Add missing element to size_lookup
618 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
621 * fold-const.c (const_binop): Be prepared for self returning zero.
622 Simplify code handling complex values.
624 2006-06-24 Olivier Hainque <hainque@adacore.com>
626 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
627 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
630 2006-06-24 Olivier Hainque <hainque@adacore.com>
632 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
633 ARRAY_REF, so have the callback called for the low bound expression.
635 2006-06-23 Janis Johnson <janis187@us.ibm.com>
637 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
638 * c-typeck.c (c_common_type): Disallow operations on decimal float
639 types and other float types.
640 * convert.c (convert_to_real): Don't ignore conversions involving
643 2006-06-23 Olivier Hainque <hainque@adacore.com>
645 * tree.c (max_int_size_in_bytes): New function, inspired from
646 code in function.c:assign_temp.
647 * tree.h (max_int_size_in_bytes): Declare.
648 * function.c (assign_temp): Use it.
649 * gimplify.c (create_tmp_var): Relax the assertions on the type
650 properties, not mandating constant size any more.
651 (force_constant_size): New static function.
652 (gimple_add_tmp_var): Use it, forcing variable size to a
653 constant upper bound if it is not constant on entry.
655 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
658 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
659 for initialization and setting of one_only flag to ...
660 (i386_pe_encode_section_info): ...here.
661 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
662 Recheck that the symbol has not been defined.
664 2006-06-23 Richard Guenther <rguenther@suse.de>
666 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
667 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
668 alignment requests instead. Add verification code.
669 Add struct tree_function_decl and struct tree_binfo size to
670 extra_order_size_table. Add missing element to size_lookup
673 2006-06-22 Roger Sayle <roger@eyesopen.com>
674 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
677 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
678 call to lang_hooks.types.type_for_mode returned NULL_TREE.
680 2006-06-23 Ben Elliston <bje@au.ibm.com>
682 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
683 negate dn -- manipulate it directly.
685 2006-06-22 Roger Sayle <roger@eyesopen.com>
686 Steven Bosscher <stevenb.gcc@gmail.com>
689 * reload1.c (gen_reload): Call mark_jump_label on the new insns
690 generated by gen_move_insn to add REG_LABEL notes if necessary.
692 2006-06-22 Bob Wilson <bob.wilson@acm.org>
694 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
695 (leaf_entry): Remove use of MIN_ESA.
697 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
699 PR rtl-optimization/28121
700 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
703 2006-06-21 DJ Delorie <dj@redhat.com>
705 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
707 (mulhisi3_r): Likewise.
709 2006-06-21 Richard Sandiford <richard@codesourcery.com>
712 * coverage.c (coverage_counter_alloc): Leave the index type
714 (coverage_counter_alloc): Use null arguments for operands 2 and 3
717 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
719 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
720 section from the "Options for Code Generation Conventions".
722 2006-06-21 Richard Henderson <rth@redhat.com>
726 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
728 (global_symbolic_operand): Allow weak symbols, even if local_p.
730 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
732 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
733 (find_interesting_uses_address): Punt if above function returns true.
735 2006-06-21 Richard Guenther <rguenther@suse.de>
737 * configure: Regenerated.
739 2006-06-21 Joseph Myers <joseph@codesourcery.com>
741 * config/mips/mips.c (function_arg): Where one part of a
742 complex argument is in registers and the other part in the stack,
743 return a REG not a PARALLEL.
745 2006-06-21 Mark Mitchell <mark@codesourcery.com>
747 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
748 when cross-compiling. Do not substitute libstdcxx_incdir.
749 * configure: Regenerated.
751 2006-06-21 Jakub Jelinek <jakub@redhat.com>
753 * varasm.c (mergeable_string_section): Check for embedded NULs and
754 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
755 rather than TREE_STRING_LENGTH bytes.
757 2006-06-21 Richard Guenther <rguenther@suse.de>
759 * ggc-page.c (extra_order_size_table): Add var_ann_d,
760 tree_ssa_name, bitmap_element and phi_node with 4 arguments
763 2006-06-21 Richrad Guenther <rguenther@suse.de>
765 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
766 Limit iteration over the dominators.
768 2006-06-20 Roger Sayle <roger@eyesopen.com>
770 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
771 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
773 2006-06-20 Richard Guenther <rguenther@suse.de>
774 Michael Matz <matz@suse.de>
776 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
778 * alloc-pool.c (free_alloc_pool_if_empty): New function.
779 * et-forest.h (et_free_pools): Prototype new function.
780 * et-forest.c (et_free_tree_force): Free parent occurrence.
781 (et_free_pools): New function.
782 * dominance.c (free_dominance_info): Free et-forest alloc
785 2006-06-20 Roger Sayle <roger@eyesopen.com>
787 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
788 integer modes, attempt to directly construct an integer constant.
790 * fold-const.c (native_encode_vector): Determine the size of each
791 element from the vector type instead of the first vector element.
793 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
794 if all of its elements/components are constant.
795 (build_constructor_from_list): Likewise.
797 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
799 PR tree-optimization/27331
800 * tree-data-ref.c (free_data_ref): New function.
801 (create_data_ref): Fail if the data reference has unknown access
803 (free_data_refs): Use free_data_ref.
805 2006-06-19 Andrew Pinski <pinskia@gmail.com>
808 * tree-inline.c (setup_one_parameter): Strip useless
809 type conversion before adding it to the IR.
810 (declare_return_variable): Likewise.
812 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
815 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
817 2006-06-19 Mike Stump <mrs@apple.com>
819 * tree.c (variably_modified_type_p): VM arguments don't make the
822 2006-06-19 Richard Guenther <rguenther@suse.de>
824 * tree-ssa-pre.c (try_combine_conversion): Strip useless
825 type conversions after folding.
827 2006-06-19 Richard Guenther <rguenther@suse.de>
829 * ggc-page.c (extra_order_size_tab): Add entries with
830 size of struct function and basic_block.
831 (size_lookup): Extend to cover sizes up to 511.
832 (ggc_alloc_stat): Adjust user.
833 (ggc_pch_count_object): Likewise.
834 (ggc_pch_alloc_object): Likewise.
835 (ggc_pch_write_object): Likewise.
837 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
839 * tree-ssa-loop-niter.c (implies_ge_p): New function.
840 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
843 2006-06-19 Denis Chertykov <denisc@overta.ru>
845 * config/avr/libgcc.S : Correct my wrong previous commit.
847 2006-06-19 Roger Sayle <roger@eyesopen.com>
850 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
851 have stripped a SUBREG from the shift count, so we may need to
852 convert_to_mode back to the type's mode before calling make_tree.
853 Use new_amount instead of amount to avoid expanding a tree twice.
855 2006-06-19 Richard Guenther <rguenther@suse.de>
858 * fold-const.c (operand_equal_p): Check if the argument types
859 have the same precision before stripping NOPs.
861 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
863 Fix PR tree-optimization/27341
864 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
866 * tree-complex.c (pass_lower_complex): Update SMT usage.
868 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
870 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
871 Add a new alternative to the constraint strings. Add move of
872 operand 1 to 3 to the splitter definition.
873 ("doloop_si_long"): Second contraint alternative removed.
875 2006-06-08 Anatoly Sokolov <aesok@post.ru>
877 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
878 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
880 (AVR_HAVE_MOVW) Define.
881 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
882 (ASM_SPEC): Add avr25.
883 (LINK_SPEC): Add avr25.
884 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
885 (base_arch_s): Add new member 'have_movw_lpmx'.
886 (avr_arch_types): Init 'have_movw_lpmx'.
887 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
888 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
889 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
890 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
891 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
893 (avr_file_start): Do not output '.arh' derective.
894 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
895 (__do_copy_data): Use __AVR_HAVE_LPMX__.
896 * config/avr/avr.md (mcu_enhanced): Delete.
897 (mcu_have_movw): Define.
898 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
899 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
900 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
901 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
902 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
903 attiny861 and at86rf401 devices.
905 2006-06-18 Jie Zhang <jie.zhang@analog.com>
907 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
910 2006-06-17 Karl Berry <karl@gnu.org>
912 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
913 doc/gccint.texi, doc/install.texi (@dircategory): Use
914 "Software development" instead of "Programming", following
915 the Free Software Directory.
917 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
919 * config/i386/i386.c (legitimate_tls_address)
920 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
921 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
922 (*tls_dynamic_gnu2_combine_64): Likewise.
924 2006-06-16 Richard Guenther <rguenther@suse.de>
927 * fold-const.c (negate_expr_p): Do not introduce undefined
928 overflow in negating INTEGER_CSTs.
929 (fold_negate_expr): Rename from negate_expr. Revert last
930 change for folding BIT_NOT_EXPR. Change semantics to
931 return NULL_TREE for non-simplified negations. Do not
932 strip type conversions and unify type handling.
933 (negate_expr): New function, wrap around fold_negate_expr
934 but ensure building a tree always. Strip type conversions
935 here, fold to result type.
936 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
938 2006-06-16 Roger Sayle <roger@eyesopen.com>
941 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
942 that (would) return their results in stack registers.
944 2006-06-16 Michael Matz <matz@suse.de>
945 Richard Guenther <rguenther@suse.de>
947 * fold-const.c (fold_truthop): Only return new tree node if
948 we canonicalized something.
950 2006-06-16 Richard Guenther <rguenther@suse.de>
952 * function.h (enum function_frequency): Move declaration
953 out of struct function.
954 (struct function): Move bool fields and the enum to the bitfield
955 section. Reorder elements to avoid padding. Remove unused
956 fields left over from the RTL inliner removal.
957 * function.c (free_after_compilation): Do not zero removed fields.
958 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
959 (ipa-type-escape.o): Likewise.
961 2006-06-16 Richard Guenther <rguenther@suse.de>
963 * cgraph.h (struct cgraph_local_info): Turn bool elements
965 (struct cgraph_node): Likewise.
966 (struct cgraph_varpool_node): Likewise.
968 2006-06-15 Richard Guenther <rguenther@suse.de>
970 * fold-const.c (fold_truth_not_expr): Rename from
971 invert_truthvalue. Give it fold_* semantics to avoid
973 (invert_truthvalue): New function. Wrapper around
975 (optimize_minmax_comparison): Avoid creating garbage.
976 (fold_unary): Use fold_truth_not_expr for folding
978 (fold_ternary): Replace uses of invert_truthvalue with
979 fold_truth_not_expr where applicable.
980 * tree.h (fold_truth_not_expr): Prototype.
982 2006-06-16 Richard Guenther <rguenther@suse.de>
984 PR tree-optimization/27781
985 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
986 * ipa-pure-const.c (target.h): Include.
987 (analyze_function): Do not analyze functions that do not
990 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
993 * tree-dfa.c (referenced_vars_dup_list): Remove.
994 (find_referenced_vars): Remove assert.
995 (referenced_var_check_and_insert): Replace dup list with assert.
996 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
997 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
999 2006-06-15 Richard Guenther <rguenther@suse.de>
1001 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1002 extra unused identifiers if not dumping.
1003 (create_variable_info_for): Likewise.
1005 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1007 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1008 (derive_constant_upper_bound): Derive more precise upper bound in
1009 common cases. Return type changed to double_int.
1010 (record_estimate): Reflect the changed return type of
1011 derive_constant_upper_bound.
1012 * double-int.c (double_int_zext, double_int_sext): Fix.
1014 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1016 * configure.ac (CFLAGS): Get them from the toplevel or from the
1017 configure invocation.
1018 * configure: Regenerate.
1019 * Makefile.in (CFLAGS): Substitute value provided by configure.
1021 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1024 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1025 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1026 rather than calling add_stmt on it.
1027 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1029 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1032 * reload1.c (reload): Remove registers returned by update_eliminables
1033 from used_spill_regs.
1035 2006-06-13 DJ Delorie <dj@redhat.com>
1037 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1039 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1041 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1042 html__strip_dir, html__mkdir_p. Enhance install-html target.
1043 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1044 * configure: Regenerate.
1046 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1048 * fold-const.c (fold_cond_expr_with_comparison): Check for
1049 Objective-C++ as language in deciding COND_EXPR transformation.
1051 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1054 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1055 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1056 * config/sh/lib1funcs.h (SL, SL1): Define.
1057 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1058 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1059 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1060 (OBJS_Os_4_200): New variable.
1061 ($(T)libgcc-Os-4-200.a): Use it.
1062 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1063 when dividing 1 and/or by 0.
1065 2006-06-13 Roger Sayle <roger@eyesopen.com>
1067 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1068 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1069 * configure: Regenerate.
1071 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1073 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1074 for real instruction.
1076 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1079 * haifa-sched.c (check_cfg): Handle special case.
1081 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1084 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1085 Add debug_info parameter. Chain the vars to the BLOCK instead
1086 of the BIND_EXPR if debug info are requested for them.
1087 (pop_gimplify_context): Adjust for above change.
1088 (gimple_add_tmp_var): Likewise.
1089 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1091 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1092 (convert_local_reference): Likewise.
1093 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1094 (finalize_nesting_tree_1): Request that debug info be emitted
1095 for debug_var_chain.
1097 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1099 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1100 for PR target/27863.
1102 2006-06-13 Richard Guenther <rguenther@suse.de>
1105 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1107 2006-06-13 Richard Guenther <rguenther@suse.de>
1109 PR tree-optimization/27830
1110 * tree-inline.c (copy_body_r): For copying the operand
1111 of an ADDR_EXPR make sure to fold &* afterwards.
1113 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1115 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1116 lvalues in the fb_none case with side-effects.
1118 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1120 * tree-flow.h: Remove the prototype for
1121 compute_phi_arg_on_exit.
1122 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1123 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1126 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1128 * builtins.c (expand_builtin_return_addr): Only use
1129 frame_pointer_rtx when count == 0 and we are expanding
1130 __builtin_return_address.
1132 2006-06-12 Fred Fish <fnf@specifix.com>
1134 * config/mips/mips.c (mips_file_start): Create special section
1135 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1137 2006-06-11 Eric Christopher <echristo@apple.com>
1140 * stor-layout.c (place_field): Remove check for
1141 remaining_in_alignment when aligning at the end of a run.
1143 2006-06-11 Eric Christopher <echristo@apple.com>
1146 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1149 2006-06-11 Roger Sayle <roger@eyesopen.com>
1152 Revert incorrect fix for PR target/27158
1153 2006-05-08 Roger Sayle <roger@eyesopen.com>
1154 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1155 of a reg_equiv_constant if the result is a legitimate constant.
1157 2006-06-11 Roger Sayle <roger@eyesopen.com>
1160 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1161 extract a CONST_VECTOR element and interpret it as an integer.
1162 (vspltis_constant): Use const_vector_elt_as_int instead of the
1163 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1164 * config/rs6000/predicates.md (easy_vector_const): Consider
1165 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1167 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1170 * stor-layout.c (update_alignment_for_field): Don't add extra
1171 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1174 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1176 * config/mips/t-rtems: Add EL/EB multilib variants.
1178 2006-06-09 Mike Stump <mrs@apple.com>
1180 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1182 2006-06-09 David Daney <ddaney@avtrex.com>
1184 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1186 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1188 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1190 2006-06-09 Richard Guenther <rguenther@suse.de>
1192 PR tree-optimization/26998
1193 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1194 of signed types, only TYPE_MIN_VALUE is special, but for both,
1195 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1196 in this case, as is -fwrapv.
1198 2006-06-08 Mike Stump <mrs@apple.com>
1201 * config/darwin.c (darwin_asm_output_anchor): Disable
1202 -fsection-anchors on darwin for now.
1203 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1204 * rs6000/rs6000.c (optimization_options): Likewise.
1206 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1209 * config/i386/i386.c (classify_argument): Skip fields with invalid
1212 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1214 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1215 (cse_insn): Likewise for the stack_pointer_rtx.
1217 2006-06-08 Roger Sayle <roger@eyesopen.com>
1219 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1220 conditions from floating point comparisons.
1222 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1225 * expmed.c (struct alg_hash_entry): Fix type of field T
1226 to match synth_mult argument.
1227 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1229 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1232 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1235 2006-06-08 Richard Guenther <rguenther@suse.de>
1238 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1239 only, if overflow is defined and not trapping.
1240 (negate_expr): Likewise.
1242 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1244 PR tree-optimization/27872
1245 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1246 flag on the new exit edge of the unrolled loop.
1248 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1250 PR rtl-optimization/26449
1251 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1253 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1256 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1257 referenced_variables with matching DECL_UID's.
1258 (find_referenced_vars): Make sure duplicate list is empty to start.
1259 (referenced_var_p): Remove.
1260 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1261 Check if var is in the list, and add if needed. Update the duplicate
1262 list if a different var is in the list with the same DECL_UID.
1263 (add_referenced_var): Call routine to check and insert.
1264 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1265 * tree-flow.h (referenced_vars_dup_list): External declaration.
1267 2006-06-07 Fred Fish <fnf@specifix.com>
1269 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1272 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1275 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1276 the imaginary and real parts of a clobbered register.
1277 Emit insn to set the imaginary part.
1279 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1281 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1282 in lieu of unwind-dw2-fde.c.
1284 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1286 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1288 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1291 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1292 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1293 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1294 V4SImode temporaries and operations instead.
1296 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1298 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1301 2006-06-06 Mike Stump <mrs@apple.com>
1303 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1304 installing during build.
1306 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1308 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1310 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1311 * config/ia64/ia64.c (params.h): New header.
1312 (ia64_optimization_options): New function to adjust parameters.
1313 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1314 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1315 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1317 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1319 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1321 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1324 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1326 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1327 Victor Kaplansky <victork@il.ibm.com>
1329 PR tree-optimization/26360
1330 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1333 2006-06-04 Roger Sayle <roger@eyesopen.com>
1334 Andrew Pinski <pinskia@physics.uc.edu>
1337 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1338 for LABEL_DECL before calling DECL_WEAK.
1341 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1342 LABEL_DECL and PARM_DECL.
1344 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1348 * c-decl.c (grokdeclarator): Disallow variably modified types at
1349 file scope. Avoid marking shared array type of constant size as
1352 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1355 * c-common.c (fold_offsetof_1): Handle static members.
1357 2006-06-04 Eric Christopher <echristo@apple.com>
1359 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1360 (debug_rli): Output value for remaining_in_alignment.
1361 (update_alignment_for_field): Unconditionalize
1362 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1363 extra alignment code.
1364 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1365 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1366 * tree.h (record_layout_info_s): Remove prev_packed.
1367 * doc/extend.texi (ms_struct): Add documentation of format.
1369 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1371 * tree.h: Declare folding_initializer.
1372 * builtins.c (fold_builtin_constant_p): Give definite answer
1373 if folding inside an initializer.
1374 * fold-const.c: Define folding_initializer.
1375 (START_FOLD_INIT): Save and then set folding_initializer.
1376 (END_FOLD_INIT): Restore folding_initializer.
1378 2006-06-04 Richard Guenther <rguenther@suse.de>
1380 PR tree-optimization/27039
1381 * fold-const.c (fold_comparison): Handle pointer comparison
1382 again for all comparison codes. Compare offsets in signed
1384 (fold_binary): Move code from here.
1386 2006-06-03 Roger Sayle <roger@eyesopen.com>
1389 * config/i386/i386.c (construct_container): Split static issued_error
1390 flag into issued_sse_arg_error, issued_sse_ret_error and
1391 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1392 requires the use of x87 registers and the user explicitly
1393 specified the -mno-80387 command line option.
1395 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1397 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1398 HAVE_DECL_SIGALTSTACK.
1400 (segv_handler): Use MC_FLD.
1401 * configure.ac: Check for a sigaltstack declaration.
1402 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1403 * configure: Regenerate.
1404 * config.in: Regenerate.
1406 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1409 * Makefile.in (stmp-fixinc): Fix typo.
1411 2006-06-02 Roger Sayle <roger@eyesopen.com>
1413 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1414 are type correct. Clean-up.
1415 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1416 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1418 2006-06-01 DJ Delorie <dj@redhat.com>
1420 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1421 shift, as we've disabled the "switch" insn that needs it.
1423 2006-06-01 Per Bothner <bothner@bothner.com>
1425 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1426 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1427 * c-ppoutput.c (cb_define): Don't increment line 0.
1429 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1431 * doc/invoke.texi: Add cpu_type power6.
1432 * config.gcc: Add cpu_type power6.
1433 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1434 to power5+ with Altivec.
1435 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1436 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1438 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1440 * config/avr/avr.h (SET_ASM_OP): Define.
1442 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1444 * config/bfin/bfin.c: Fix comment typos.
1446 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1449 * doc/install.texi: Document --enable-bootstrap and
1450 --disable-bootstrap.
1452 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1454 * doc/install.texi: Document that InfoZIP can replace jar.
1456 2006-05-31 Roger Sayle <roger@eyesopen.com>
1458 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1459 isn't available, directly generate the simpler x87 patterns without
1460 the (use (const_int 0)).
1461 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1462 implementation isn't available.
1463 (*negdf2_1): Likewise.
1464 (*negxf2_1): XF mode negation is always done using the x87.
1465 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1467 2006-05-31 Roger Sayle <roger@eyesopen.com>
1469 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1470 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1472 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1474 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1476 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1477 * config/bfin/bfin.c (basic-block.h): Include.
1478 (struct machine_function): New.
1479 (bfin_init_machine_status): New.
1480 (override_options): Initialize init_machine_status.
1481 (bfin_hardware_loop): New.
1482 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1483 (DEF_VEC_P (loop_info)): New.
1484 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1485 (struct loop_info): New.
1486 (loop_info): New typedef.
1487 (struct loop_work): New.
1488 (loop_work): New typedef.
1489 (DEF_VEC_O (loop_work)): New.
1490 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1491 (bfin_dump_loops): New.
1492 (bfin_bb_in_loop): New.
1493 (bfin_scan_loop): New.
1494 (bfin_optimize_loop): New.
1495 (bfin_reorg_loops): New.
1496 (bfin_reorg): Use bfin_reorg_loops.
1497 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1499 (I_REGNO_P): Simplify.
1500 (DP_REGNO_P, DPREG_P): New macros.
1501 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1502 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1503 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1504 Add LT_REGS, LC_REGS, LB_REGS.
1505 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1507 (REGNO_REG_CLASS): Deal with loop registers.
1508 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1510 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1511 New constants for loop registers.
1512 (UNSPEC_LSETUP_END): New.
1513 (seq_insns): New define_attr. Set it for appropriate insns.
1514 (movsi_insn): Add alternatives for move from/to
1515 loop count registers.
1516 (doloop_end): New define_expand.
1517 (loop_end): New define_insn.
1518 (define_split for bad doloop_end): New.
1519 (lsetup_with_autoinit): New define_insn.
1520 (lsetup_without_autoinit): New define_insn.
1521 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1522 * config/bfin/predicates.md (lc_register_operand): New.
1523 (lt_register_operand): New.
1524 (lb_register_operand): New.
1525 (nondp_register_operand): New.
1526 (nondp_reg_or_memory_operand): New.
1527 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1529 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1531 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1532 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1534 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1536 * Makefile.in (CATALOGS): Add po/ prefix.
1537 * configure: Regenerated.
1539 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1542 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1543 a shift operand before calling shift_op. Avoid redundant call of
1546 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1547 DJ Delorie <dj@redhat.com>
1549 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1550 we're inserting is a singlt-bit constant.
1552 2006-05-30 Roger Sayle <roger@eyesopen.com>
1554 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1555 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1557 2006-05-30 Roger Sayle <roger@eyesopen.com>
1559 PR tree-optimization/23452
1560 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1561 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1562 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1563 complex values and with -ffast-math for FP complex values.
1565 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1567 * c-common.h: Remove the prototype for yyparse.
1568 * rtl.h: Remove the prototype for init_loop.
1570 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1572 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1575 2006-05-30 Roger Sayle <roger@eyesopen.com>
1577 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1579 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1580 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1582 2006-05-30 Dirk Mueller <dmueller@suse.de>
1585 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1586 for CONSTANT_CLASS_P expresisons.
1588 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1591 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1593 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1595 PR tree-optimization/27779
1596 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1597 initial_condition instead of CHREC_LEFT.
1599 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1601 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1602 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1603 Make prototypes ISO C90.
1605 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1606 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1608 * see.c (see_analyze_one_def): Correct check.
1609 (see_get_extension_data): Check if extension is parallel.
1610 (see_get_extension_reg): Likewise.
1612 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1615 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1616 into register for (code == GTU).
1618 2006-05-29 Roger Sayle <roger@eyesopen.com>
1620 PR tree-optimization/24964
1621 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1622 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1623 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1624 abs(x)*abs(x) as x*x for scalar floating point modes.
1626 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1629 * lambda-code.c (perfect_nestify): Don't copy statements
1630 in the inner loop: move them to the inner loop header.
1632 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1635 * c-tree.texi: Document OpenMP directives and clauses.
1637 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1639 * varasm.c (globalize_decl): Fix indentation.
1641 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1644 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1645 pass_fre, pass_store_ccp, pass_copy_prop,
1646 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1647 pass_return_slot, pass_object_size, pass_lim,
1648 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1649 pass_loop_prefetch and pass_stdarg.
1651 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1653 * config/bfin/bfin.opt (mfdpic): New option.
1654 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1655 (EXTRA_MULTILIB_PARTS): Likewise.
1656 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1657 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1659 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1660 (CRT_CALL_STATIC_FUNCTION): New.
1661 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1663 (CRT_CALL_STATIC_FUNCTION): New.
1664 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1666 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1667 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1668 (initialize_trampoline): Changed to handle FD-PIC code generation.
1669 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1670 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1671 (override_options): Disallow -mid-shared-library -mfdpic combination.
1672 Can't do unaligned ops if FD-PIC.
1673 Turn off flag_pic if trying to generate non-id-shared-library
1674 non-fdpic code, since it's not supported.
1675 (bfin_assemble_integer): New function.
1676 (TARGET_ASM_INTEGER): Define.
1677 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1679 * config/bfin/crtn.s: Restore them.
1680 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1682 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1683 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1684 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1685 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1686 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1688 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1689 FDPIC_REGS and FDPIC_FPTR_REGS.
1690 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1691 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1692 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1693 (load_funcdescsi): New pattern.
1694 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1695 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1696 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1698 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1700 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1703 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1705 * tree-flow.h: Remove the prototype for add_type_alias.
1706 * tree-ssa-alias.c (add_type_alias): Remove.
1708 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1710 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1711 config/fr30/fr30.md, config/i386/i386-interix.h,
1712 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1713 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1714 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1715 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1716 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1717 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1718 Follow spelling conventions.
1719 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1720 Follow spelling conventions.
1722 2006-05-27 Richard Guenther <rguenther@suse.de>
1725 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1726 to produce a constant of value 1 of generic type.
1728 2006-05-27 Dirk Mueller <dmueller@suse.de>
1730 * cgraphunit.c (decide_is_function_needed): Fix wrong
1733 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1735 PR rtl-optimization/27661
1736 * reload.c (find_reloads): When reloading a VOIDmode constant
1737 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1738 use Pmode as mode of the reload register.
1740 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1742 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1743 is enabled at -O and above.
1745 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1748 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1751 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1754 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1755 for anonymous variables explicitly declared by front ends.
1757 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1759 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1760 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1761 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1762 ref-all pointers, run a finalization pass for them.
1763 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1764 (finalize_ref_all_pointers): New function.
1765 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1766 regular pointer type to a ref-all pointer type.
1767 (get_tmt_for): Return the special memory tag for ref-all pointers.
1769 2006-05-25 Richard Guenther <rguenther@suse.de>
1772 * fold-const.c (fold_binary): Do not look at the stripped
1773 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1775 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1777 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1778 for LT and GT if the computed range is effectively empty.
1780 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1783 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1784 mips_quad_format formats instead of ieee_single_format,
1785 ieee_double_format and ieee_quad_format formats, respectively.
1787 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1789 PR tree-optimization/27639
1790 PR tree-optimization/26719
1791 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1792 call to scev_probably_wraps_p.
1793 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1794 used_in_pointer_arithmetic_p, convert_step): Removed.
1795 (nowrap_type_p): New function.
1796 (scev_probably_wraps_p): Rewritten.
1797 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1798 chrec_convert if chrec_convert_aggressive might have been used.
1799 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1800 scev_direction): New functions.
1801 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1802 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1803 instead of convert_step.
1804 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1805 (convert_step): Declaration removed.
1806 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1808 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1810 * df-core.c: Added to header comments.
1811 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1812 df_ur_bb_info, df_urec_bb_info): Added comments.
1813 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1814 urec, ri problems): Fixed header comments.
1815 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1816 code from df_rd_transfer_function.
1818 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1820 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1821 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1822 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1824 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1826 * expr.c (undefined_operand_subword_p): New.
1827 (emit_move_multi_word): Do not generate move from undefined bits
1828 of a paradoxical subreg.
1830 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1832 PR rtl-optimization/27736
1833 * combine.c (replaced_rhs_value): New variable.
1834 (combine_instructions): Set it.
1835 (distribute_notes): When distributing a note in replaced_rhs_insn,
1836 check whether the value was used in replaced_rhs_value.
1838 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1841 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1842 add_referenced_var instead of add_referenced_tmp_var.
1843 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1844 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1846 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1847 tree_optimize_tail_calls_1): Use add_referenced_var.
1848 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1849 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1850 Use add_referenced_var.
1851 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1852 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1853 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1854 Use add_referenced_var.
1855 * tree-dfa.c (struct walk_state): Remove.
1856 (find_referenced_vars): Remove walk state and vars_found hash table.
1857 (make_rename_temp): Use add_referenced_var.
1858 (find_vars_r): Pass less parameters to add_referenced_var.
1859 (referenced_var_p): New. Is var in referenced_var hash table.
1860 (referenced_var_insert): Assert var isn't already in hash table.
1861 (add_referenced_var): Don't need walk_state parameter. Add var if it
1862 isn't already in the hash table.
1863 (add_referenced_tmp_var): Remove.
1864 (find_new_referenced_vars_1): Use add_referenced_var.
1865 * tree-ssa-pre.c (create_expression_by_pieces,
1866 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1867 Use add_referenced_var.
1868 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1869 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1870 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1872 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1873 vect_create_data_ref_ptr, vect_create_destination_var,
1874 vect_init_vector, vect_build_loop_niters,
1875 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1876 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1877 Use add_referenced_var.
1878 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1879 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1880 (add_referenced_var): Add prototype.
1881 * tree-ssa-structalias.c (get_constraint_for,
1882 intra_create_variable_infos): Use add_referenced_var.
1884 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1886 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1887 big-endian paradoxical subregs.
1888 * var-tracking.c (struct micro_operation_def): Document that,
1889 for modify micro operations, insn is the subsequent instruction.
1890 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1891 (var_reg_set, var_mem_set): ... new functions.
1892 (add_stores): Record subsequent insn.
1893 (compute_bb_dataflow): Use new functions for MO_USE.
1894 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1895 notes after the insn, and modify notes before the insn known
1896 to be the subsequent one.
1897 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1899 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1902 * config/i386/i386.c (ix86_expand_builtin): Use
1903 gen_sse3_monitor64 for TARGET_64BIT.
1905 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1907 PR rtl-optimization/26375
1908 PR rtl-optimization/26855
1909 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1911 (df_ru_bb_local_compute): Reversed statements and removed bogus
1912 comment explaining why they should be in wrong order.
1913 (df_ru_dump, df_rd_dump): Enhanced debug info.
1914 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1916 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1917 reaching uses and fixed space problem.
1919 2006-05-23 Jan Hubicka <jh@suse.cz>
1921 * cgraphunit.c (decide_is_function_needed): Also nested functions
1922 and functions declared inline can be optimized out at -O0.
1924 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1926 * doc/install.texi (Configuration): Remove reference to CrossGCC
1930 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1933 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1934 ix86_compare_emitted is non-NULL.
1936 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1939 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1942 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1944 PR rtl-optimization/25514
1945 * combine.c (replaced_rhs_insn): New variable.
1946 (combine_instructions): Set replaced_rhs_insn when trying to replace
1947 a SET_SRC with a REG_EQUAL note.
1948 (distribute_notes): Use replaced_rhs_insn when determining the live
1949 range of a REG_DEAD register.
1951 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1952 Anatoly Sokolov <aesok@post.ru>
1954 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1955 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1956 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1957 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1958 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1959 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1960 at90usb647, at90usb1286 and at90usb1287 devices.
1961 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1962 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1964 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1966 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1968 2006-05-22 Richard Guenther <rguenther@suse.de>
1971 2006-01-31 Richard Guenther <rguenther@suse.de>
1972 Paolo Bonzini <bonzini@gnu.org>
1974 * doc/install.texi (--disable-libgcc-math): Document.
1976 2006-05-22 Richard Guenther <rguenther@suse.de>
1979 2006-01-31 Richard Guenther <rguenther@suse.de>
1981 * doc/invoke.texi (-msselibm): Document.
1982 * target.h (expand_library_builtin): New target hook.
1983 * builtins.c (expand_builtin): Use expand_library_builtin.
1984 (default_expand_library_builtin): New function.
1985 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1986 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1987 (link_gcc_math_spec): Declare.
1988 (static_specs): Add link_gcc_math_spec.
1989 * expr.h (default_expand_library_builtin): Declare.
1990 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1991 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1992 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1993 * config/i386/i386.opt (msselibm): New target option.
1994 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1995 (ix86_init_sse_abi_builtins): New function.
1996 (ix86_expand_library_builtin): Likewise.
1997 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1998 (override_options): Handle error conditions wrt -msselibm.
1999 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2000 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2001 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2004 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2007 * c-common.c (self_promoting_args_p): Skip erroneous args.
2010 * c-decl.c (finish_struct): Skip erroneous fields.
2012 2006-05-22 Nick Clifton <nickc@redhat.com>
2014 * config/cris/cris.opt (march): Remove VarExists attribute.
2015 (max-stackframe=): Likewise.
2017 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2019 * doc/rtl.texi: Fix a typo.
2020 * see.c: Fix comment typos.
2022 * tree-ssa-structalias.h (alias_info): Remove num_references.
2024 2006-05-21 Mike Stump <mrs@apple.com>
2026 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2028 (darwin_pragma_options): Use BAD instead.
2029 (darwin_pragma_unused): Likewise.
2030 (darwin_pragma_ms_struct): Likewise.
2032 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2034 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2036 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2038 PR rtl-optimization/27671
2039 * simplify-rtx.c (simplify_relational_operation_1): Fix
2040 simplifications of (eq/ne (xor x y) y) and
2041 (eq/ne (xor x y) x).
2043 PR tree-optimization/26622.
2044 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2047 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2049 * tree-cfg.c: Prune whitespace.
2050 (debug_tree_cfg): Point to correct header containing the
2053 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2056 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2058 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2061 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2062 or sorry count is non zero.
2064 2006-05-20 Andreas Schwab <schwab@suse.de>
2066 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2068 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2069 Kenneth Zadeck <zadeck@naturalbridge.com>
2071 PR rtl-optimization/26855
2073 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2075 (df_scan_alloc): Added code to properly handle multiword hard
2076 registers and add all_blocks parameter.
2077 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2078 code to properly handle multiword hard registers.
2079 (df_rescan_blocks): Added code to remove deleted blocks from
2081 (df_ref_create_structure, df_ref_record): Added code to properly
2083 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2084 and set DF_REF_PARTIAL.
2085 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2086 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2087 (df_scan_add_problem): Added flags parameter.
2088 (df_ref_create_structure): Changed switching structure.
2089 (df_bb_refs_record): Fixed case where duplicate artificial refs
2090 were created. Changed location of flags.
2091 (df_record_entry_block_defs): Added code to make stack pointer
2092 live in entry block. Refined cases where frame pointer is needed.
2093 Changed location of flags.
2094 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2095 (df_set_state): Removed function.
2096 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2097 df_insn_create_insn_record, df_insn_refs_delete,
2098 df_ref_create_structure): Formatting changes.
2099 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2100 df_delete_basic_block): New function.
2101 (df_init): Changed location of flags.
2102 (df_add_problem): Added flags parameter and the way flags are
2104 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2105 debug_df_chain): Improved debugging output.
2106 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2107 (df_refs_chain_dump): Removed df parameter.
2108 (df_iterative_dataflow): Added consistency check.
2109 (df_prune_to_subcfg): Made public.
2110 (df_analyze_problem): Added blocks_to_init parameter and made
2112 (df_ref_record, df_bb_refs_record, df_mark_reg,
2113 df_record_exit_block_uses): Whitespace changes.
2114 (df_dump): Whitespace changes.
2115 * df.h: Some reordering to remove forward references.
2116 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2117 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2118 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2119 (dataflow.flags): New field.
2120 (df.flag): Deleted field.
2121 (df_alloc_function): Added additional bitmap parameter.
2122 (df_dependent_problem_function): New type.
2123 (df_problem.changeable_flags): New field.
2124 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2125 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2126 (df_mw_hardreg): New struct.
2127 (DF_INSN_UID_MWS): New macro.
2128 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2130 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2131 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2132 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2133 (df_set_state): Removed function.
2134 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2135 * df-problems.c (df_chain_dump): Removed df parameter.
2136 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2137 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2139 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2140 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2141 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2142 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2143 DF_REF_MUST_CLOBBER cases.
2144 (df_ru_bb_local_compute_process_def,
2145 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2146 df_lr_bb_local_compute, df_ur_bb_local_compute,
2147 df_chain_create_bb): Made subreg aware.
2148 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2149 df_lr_bb_local_compute, df_lr_bb_local_compute,
2150 df_chain_create_bb): Cleanup to use proper macros.
2151 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2152 code to fixup bitvectors.
2153 (df_ri_alloc): Cleared lifetime.
2154 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2155 df_create_unused_note): New function.
2156 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2157 REG_DEAD and REG_UNUSED notes as well as register information.
2158 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2159 df_chains_dump): Fixed crash if problem was never run.
2160 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2161 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2162 df_ri_add_problem): Processes flags in uniform manner.
2163 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2164 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2165 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2166 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2167 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2168 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2169 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2170 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2171 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2172 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2173 * see.c (see_initialize_data): Ditto.
2174 * final.c (rest_of_clean_state) Added regstack_completed.
2175 * rtl.h (regstack_completed): Ditto.
2176 * reg-stack.c (regstack_completed): Ditto.
2178 2006-05-19 Mike Stump <mrs@apple.com>
2180 * c-tree.h (default_conversion): Remove.
2181 * c-common.h (default_conversion): Add.
2183 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2185 * tree-vrp.c (valid_value_p): New function.
2186 (adjust_range_with_scev): Fail if the value of bound is not
2189 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2191 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2192 (mips_fallback_frame_state): Use syscall numbers to determine
2193 the appropriate li instruction for the current ABI. Only use
2194 __NR_sigreturn for o32.
2196 2006-05-19 Nicolas Setton <setton@adacore.com>
2198 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2199 * langhooks.c (lhd_dwarf_name): New function.
2200 * langhooks-def.h (lhd_dwarf_name): Declare.
2201 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2202 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2203 * ada/misc.c (gnat_dwarf_name): New function.
2204 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2206 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2208 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2210 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2211 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2212 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2213 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2214 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2215 determine the size of Wtype, etc.
2216 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2217 (swfloatfuncs): New variable.
2218 (dwfloatfuncs): Likewise.
2219 (lib2funcs): Remove floating-point conversion functions from
2220 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2221 the set of conversion routines needed. Allow entries to specify
2222 an object name, filename and word size. Update users accordingly.
2223 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2224 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2228 2006-02-08 Roger Sayle <roger@eyesopen.com>
2231 * config/fixtfdi.c: New libgcc source file.
2232 * config/fixunstfdi.c: New source file.
2233 * config/floatditf.c: New source file.
2234 * config/floatunditf.c: New souce file.
2235 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2236 files above instead of config/mips/_tilib.c.
2237 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2239 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2241 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2242 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2244 2006-05-18 Mike Stump <mrs@apple.com>
2246 Fix up vla, vm and [*] sematics.
2252 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2253 (c_vla_unspec_p): Add.
2254 (c_vla_type_p): Add.
2255 * c-decl.c (struct c_scope): Add had_vla_unspec.
2256 (build_array_declarator): Add support for [*].
2257 (grokdeclarator): Likewise.
2258 (grokparms): Likewise.
2259 (get_parm_info): Likewise.
2260 * c-objc-common.c (c_vla_unspec_p): Likewise.
2261 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2262 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2263 typeof when argument is a variably modified type not inside sizeof or alignof.
2264 (c_parser_direct_declarator_inner): Propagate errors.
2265 (c_parser_sizeof_expression): Add support for [*].
2266 (c_parser_parms_declarator): Initialize had_vla_unspec.
2267 (c_parser_parms_list_declarator): Likewise.
2268 * c-typeck.c (c_vla_type_p): Add.
2269 (composite_type): Add support for vla compositing.
2270 (comptypes_internal): Add support for vla compatibility.
2271 (c_expr_sizeof_expr): Evaluate vla arguments.
2272 * tree.c (variably_modified_type_p): Update comment for [*].
2274 2006-05-18 Michael Matz <matz@suse.de>
2277 * config.host: Make assignments to host_xmake_file cumulative.
2278 * config.host (*-darwin*): Test $host, not $target.
2280 2006-05-12 Stuart Hastings <stuart@apple.com>
2282 * config/i386/i386.opt (-mstackrealign): New flag.
2283 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2284 (ix86_handle_cconv_attribute): Emit error when
2285 force_align_arg_pointer attribute collides with too many regparms.
2286 (ix86_function_regparm): Limit regparms when used with
2287 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2288 Support stack-realigning prologue in non-main functions. Emit
2289 warning for nested functions under -mstackrealign, emit error for
2290 nested functions with force_align_arg_pointer attribute.
2291 * doc/extend.texi (force_align_arg_pointer): Document it.
2292 * doc/invoke.texi (-mstackrealign): Document it.
2294 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2296 PR rtl-optimization/27477
2297 * combine.c (try_combine): Don't split a parallel consisting
2298 of two sets into two individual sets if both sets reference
2301 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2303 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2304 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2306 * doc/options.texi (VarExists): Updated.
2308 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2310 * unwind-dw2.c: Add declarations for uw_update_context and
2312 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2313 detected, advance frame state and context once to skip over stub.
2315 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2319 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2320 Call rewrite_into_loop_closed_ssa only when something changed.
2321 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2322 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2323 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2324 Test for perfect_nest_p here. Fix formating.
2325 (replace_uses_equiv_to_x_with_y): Fix formating.
2326 (stmt_uses_op): Removed.
2327 (can_convert_to_perfect_nest): Removed loopivs parameter.
2328 Complete the test by checking the scalar dependences.
2329 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2332 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2335 From Dan Kegel <dank@kegel.com>:
2336 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2338 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2340 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2341 if the element type is variably modified without recursing.
2343 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2346 * tree-loop-linear.c (try_interchange_loops): Test for
2347 no data dependences.
2349 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2351 PR tree-optimization/27548
2352 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2353 range of ssa names that appear on abnormal edges.
2354 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2355 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2357 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2360 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2362 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2365 * tree.h (OMP_PARALLEL_COMBINED): Define.
2366 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2367 (new_omp_context): Add is_combined_parallel argument.
2368 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2369 new_omp_context caller.
2370 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2371 Adjust gimplify_scan_omp_clauses callers.
2372 (omp_is_private): Issue errors if iteration variable is firstprivate
2373 or reduction in the current context.
2374 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2375 on combined parallel workshare constructs.
2377 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2379 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2380 (gcc-options.o): New rule.
2382 * optc-gen.awk: Protect variables for gcc-options.o with
2383 #ifdef GCC_DRIVER/#endif.
2385 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2387 Fix PR tree-optimization/27373
2388 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2389 (forward_propagate_addr_expr): Update call.
2391 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2393 * doc/options.texi: Move the Negative option.
2395 2006-05-16 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/22303
2398 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2400 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2401 ccp_fold did not simplify the statement.
2403 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2406 * Makefile.in (GCC_OBJS): New.
2407 (OBJS-common): Add opts-common.o.
2408 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2409 (cpp$(exeext)): Likewise.
2410 (gcc.o): Also depend on opts.h.
2411 (opts-common.o): New.
2413 * common.opt (gcoff): Add Negative(gdwarf-2).
2414 (gdwarf-2): Add Negative(gstabs).
2415 (gstabs): Add Negative(gstabs+).
2416 (gstabs+): Add Negative(gvms).
2417 (gvms): Add Negative(gxcoff).
2418 (gxcoff): Add Negative(gxcoff+).
2419 (gxcoff+): Add Negative(gcoff).
2420 * config/i386/i386.opt (m32): Add Negative(m64).
2421 (m64): Add Negative(m32).
2423 * doc/options.texi: Document the Negative option.
2425 * gcc.c: Include "opts.h".
2426 (main): Call prune_options after expandargv.
2428 * optc-gen.awk: Generate common declarations for all flag
2429 variables in options.c. Output the neg_index field.
2431 * opts.c (find_opt): Moved to ...
2432 * opts-common.c: Here. New file.
2434 * opts.h (cl_option): Add a neg_index field.
2436 (prune_options): Likewise.
2438 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2441 * omp-low.c (expand_omp_parallel): Don't assert
2442 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2443 instead search for it.
2446 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2449 2006-05-16 Andreas Schwab <schwab@suse.de>
2451 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2454 2006-05-15 Roger Sayle <roger@eyesopen.com>
2457 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2458 integer constants other than zero are only legitimate on TARGET_64BIT.
2459 <CONST_VECTOR> Only zero vectors are legitimate.
2460 (ix86_cannot_force_const_mem): Integral and vector constants can
2461 always be put in the constant pool.
2463 2006-05-16 DJ Delorie <dj@redhat.com>
2465 * crtstuff.c (__dso_handle): Set section from
2466 TARGET_LBIGCC_SDATA_SECTION if defined.
2467 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2468 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2470 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2473 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2476 2006-05-16 Ben Elliston <bje@au.ibm.com>
2478 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2480 2006-05-15 Per Bothner <per@bothner.com>
2482 * tree.c: (last_annotated_node): Use source_locus typedef.
2483 This permits bootstrapping with --enable-mapped-location.
2485 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2487 PR tree-optimization/26830
2488 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2489 (info_for_ssa_name, current_info_for_ssa_name_age,
2490 blocks_to_update): New variables.
2491 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2492 (clear_ssa_name_info, initialize_flags_in_bb,
2493 mark_block_for_update): New functions.
2494 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2495 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2496 prepare_def_site_for): Use mark_block_for_update.
2497 (mark_def_interesting): Assert that the processed block is marked in
2498 blocks_to_update. Do not take blocks argument.
2499 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2501 (rewrite_update_init_block, rewrite_update_stmt): Only process
2502 blocks with statements to rewrite.
2503 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2504 (update_ssa): Initialize and free blocks_to_update. Do not
2505 clear flags on statements. Do not use blocks bitmap.
2506 * tree.h (SSA_NAME_AUX): Removed.
2507 (struct tree_ssa_name): Removed aux field.
2508 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2510 2006-05-15 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/27603
2513 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2514 Do computations in original type.
2516 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2518 * see.c: Code style changes such as redundant paranthesis,
2519 redundant intialization of local variables etc.
2520 (see_main): Declared now as static.
2521 * doc/invoke.texi: Update that -fsee is not enabled by
2524 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2526 * omp-low.c (check_omp_nesting_restrictions): New function.
2527 (scan_omp_1): Call it.
2530 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2531 construct, return *VAR.
2533 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2535 PR rtl-optimization/27406
2536 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2539 2006-05-14 Roger Sayle <roger@eyesopen.com>
2541 PR rtl-optimization/27538
2542 * combine.c (expand_compound_operation): Call gen_lowpart
2543 before calling simplify_shift_const.
2545 2006-05-14 Roger Sayle <roger@eyesopen.com>
2547 PR rtl-optimization/22563
2548 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2549 a fixed width bitfield, always force the intermediates into psuedos.
2551 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2554 * mkconfig.sh: Use operator = instead of == for test.
2556 2006-05-13 Nick Clifton <nickc@redhat.com>
2558 * dwarf2out.c (dbx_reg_number): Check return value from
2559 LEAF_REG_REMAP and only use it if it is valid.
2560 (multiple_reg_loc_descriptor): Likewise.
2562 2006-05-13 Richard Guenther <rguenther@suse.de>
2564 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2567 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2569 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2570 information attached to non-INSNs such as NOTEs.
2571 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2573 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2575 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2577 * config/s390/s390.md: Adjust comment describing On constraint.
2579 2006-05-11 Jan Hubicka <jh@suse.cz>
2581 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2582 to be output at -O0.
2584 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2587 * fold-const.c (size_binop): Move sanity check for arguments to
2588 the beginning of the function.
2591 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2594 2006-05-11 Richard Guenther <rguenther@suse.de>
2597 * fold-const.c (fold_unary): Handle intermediate conversion
2598 to a pointer type like intermediate conversion to an integer
2599 type in folding of (T1)(T2)var to var.
2600 Match the code to the comment in the final conversion for
2601 (T1)(T2)var to (T1)var regarding to type precision. Rather
2602 than disallow T1 being of pointer type, assert that both T1
2603 and var are of pointer type or not. Make sure not to fall
2604 over the frontends lazyness wrt array to pointer decay though.
2606 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2608 * arm.c (arm_struct_value_rtx): Delete.
2609 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2610 (arm_init_cumulative_args): Always initialize nregs to zero.
2612 2006-05-10 Richard Guenther <rguenther@suse.de>
2614 PR tree-optimization/27532
2615 * tree-object-size.c (plus_expr_object_size): Fix typo.
2617 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2620 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2621 ashrdi_const, ashrdi3): Use a scratch register.
2623 2006-05-10 Richard Guenther <rguenther@suse.de>
2625 PR tree-optimization/27302
2626 * fold-const.c (operand_equal_p): For two comparisons,
2627 try comparison of one comparison code swapped if that yields
2630 2006-05-10 Ben Elliston <bje@au.ibm.com>
2632 * tree-pretty-print.c (pretty_print_string): No need to handle
2633 '\0' as a special character.
2635 * tree.h: Include "hashtab.h".
2636 (iterative_hash_expr): Use hashval_t in its prototype.
2637 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2639 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2642 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2643 (hppa*64*-*-hpux11*): Ditto.
2644 (hppa[12]*-*-hpux11*): Ditto.
2646 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2649 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2651 2006-05-09 Michael Matz <matz@suse.de>
2653 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2654 host_extra_gcc_objs and host_xmake_file.
2655 (<*-*-linux*>): Don't overwrite host_xmake_file.
2656 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2657 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2658 (host_detect_local_cpu): Declare.
2659 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2660 * config/i386/i386.c (override_options): Handle -mtune=native
2662 * config/i386/x-i386: New file.
2663 * config/i386/driver-i386.c: New file.
2664 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2667 2006-05-09 Dirk Mueller <dmueller@suse.de>
2668 Richard Guenther <rguenther@suse.de>
2671 * fold-const.c (fold_read_from_constant_string): Relax check
2672 for matching types to matching modes.
2674 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2676 PR rtl-optimization/27335
2677 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2680 2006-05-08 Chao-ying Fu <fu@mips.com>
2681 Richard Sandiford <richard@codesourcery.com>
2683 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2684 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2685 * config/mips/mips.md (UNSPEC_SCC): New constant.
2686 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2687 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2688 (mips_emit_compare): Use it.
2689 (mips_expand_vcondv2sf): New function.
2691 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2693 Fix PR tree-optimization/27093
2694 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2695 renaming when they become not-used_alone.
2697 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2699 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2700 relocation and relocation stubs.
2702 2006-05-08 Eric Christopher <echristo@apple.com>
2704 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2707 2006-05-08 Jan Hubicka <jh@suse.cz>
2710 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2711 unused static functions are needed.
2713 2006-05-08 Roger Sayle <roger@eyesopen.com>
2716 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2717 of a reg_equiv_constant if the result is a legitimate constant.
2719 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2722 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2723 standard 80387 constants, raise the cost to prevent
2724 compress_float_constant() to generate load from memory.
2726 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2728 * config/arm/constraints.md (c): Fix a typo.
2730 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2733 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2736 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2738 (_mm_mwait): Likewise.
2740 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2742 (sse3_monitor): Make it 32bit only.
2743 (sse3_monitor64): New. 64bit monitor.
2745 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2748 * config/i386/i386.c (classify_argument): Skip fields with invalid
2751 2006-05-07 Richard Guenther <rguenther@suse.de>
2753 PR tree-optimization/27409
2754 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2755 Do not try to find zero-sized subvars.
2757 2006-05-07 Richard Guenther <rguenther@suse.de>
2759 PR tree-optimization/27136
2760 * tree-ssa-loop-niter.c (get_val_for): Correct function
2761 comment, assert requirements.
2762 (loop_niter_by_eval): Stop processing if the iterated
2763 value did not simplify.
2765 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2767 * opts.c (flag_see): remove its setting at -O3.
2769 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2771 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2772 * arm/constraints.md: New file.
2773 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2774 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2775 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2776 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2777 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2778 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2779 * arm.md: Include constraints.md.
2780 (thumb_movsi_insn): Use satisfies_constraint_J.
2781 (movhi, movqi): Use satisfies_constraint_I.
2783 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2785 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2786 for atmeg a645 device.
2788 2006-05-06 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/27151
2791 * tree-vect-transform.c (vectorizable_condition): Punt on
2792 values that have a different type than the condition.
2794 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2797 * c-parser.c (c_parser_cast_expression): Only insert casts into
2798 hash table if pointer.
2799 * function.c (used_types_insert_helper): Rename from
2801 (used_types_insert): Call used_types_insert_helper.
2802 * function.h (used_types_insert): Accept only one argument.
2804 2006-05-05 David Edelsohn <edesohn@gnu.org>
2806 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2807 scratch with output modifier.
2809 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2812 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2813 with output modifier.
2815 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2818 * config/mips/mips.c (mips_symbolic_address_p): Return true
2819 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2820 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2822 2006-05-04 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/14287
2825 PR tree-optimization/14844
2826 PR tree-optimization/19792
2827 PR tree-optimization/21608
2828 PR tree-optimization/27090
2829 * tree-ssa-pre.c (try_combine_conversion): New function.
2830 (compute_avail): After constructing the value-handle
2831 expression, use try_combine_conversion to combine NOP_EXPRs
2832 with previous value-handle expressions and use the result if it
2835 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2837 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2839 2006-05-04 Jan Hubicka <jh@suse.cz>
2842 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2844 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2846 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2847 that this only matches CONST_INTs. All users changed to VOIDmode
2850 * config/bfin/bfin.c: Include "optabs.h".
2851 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2853 (enum bfin_builtins): Add a number of fractional and vector builtins.
2854 (bfin_init_builtins): Likewise.
2855 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2856 (safe_vector_operand, bfin_expand_binop_builtin,
2857 bfin_expand_unop_builtin): New functions.
2858 (bfin_expand_builtin): Handle the new builtins.
2859 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2862 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2865 * Makefile.in (OBJS-common): Add see.o.
2866 (see.o): Add dependencies.
2867 * common.opt (fsee): New flag for the see optimization was added.
2868 * opts.c (flag_see): Initialized.
2869 * passes.c (init_optimization_passes, pass_see): New pass.
2870 * rtl.h (see_main): Declaration as extern.
2871 * timevar.def (TV_SEE): New.
2872 * tree-pass.h (pass_see): Declaration as extern.
2873 * invoke.texi (-fsee): Document.
2874 * recog.c (validate_simplify_insn): New function.
2875 * recog.h (validate_simplify_insn): Declaration as extern.
2876 * df-problems.c (df_chain_dump): Check for NULL.
2878 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2879 Daniel Berlin <dberlin@dberlin.org>
2881 * cfgrtl.c (insert_insn_bb_end_new): New function.
2882 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2884 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2886 * df.h (struct web_entry): Moved from web.c.
2887 (union_defs): Declaration as extern.
2888 (unionfind_root): Likewise.
2889 (unionfind_union): Likewise.
2890 * web.c (struct web_entry): Moved to df.h.
2891 (unionfind_root): Remove static declaration.
2892 (unionfind_union): Likewise.
2893 (union_defs): Likewise and generalize to use callback function.
2894 (web_main): Update arguments for union_defs function call.
2896 2006-05-04 Richard Guenther <rguenther@suse.de>
2898 PR tree-optimization/26447
2899 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2900 produce SSA_NAME copies before the store stmt to avoid
2901 breaking exception handling.
2903 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2906 * gimplify.c (omp_is_private): If var is shared in some outer context,
2907 return false instead of true. Stop searching on parallel context
2910 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2913 * coverage.c: Use get_gcov_unsigned_t() instead of
2914 unsigned_type_node all over.
2916 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2918 PR tree-optimization/27381
2919 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2920 maintain the same immediate_use links.
2921 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2922 node rather than segfaulting.
2924 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2927 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2928 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2929 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2931 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2933 Fix PR tree-optimization/26626
2934 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2936 * tree-ssa-operands.c (access_can_touch_variable): Allow
2937 typecasting through union pointers.
2939 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2942 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2943 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2944 to find if var will be a global variable even in the nested context.
2945 (omp_copy_decl): Only check for global variable at the end, it might
2946 be overridden in outer contexts.
2947 (scan_sharing_clauses): For global variables don't create a field.
2948 (lower_rec_input_clauses): Do nothing for global shared variables.
2949 Emit a barrier at the end of ILIST if there were any decls in both
2950 firstprivate and lastprivate clauses.
2951 (lower_send_clauses): Do nothing for global variables except for
2954 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2956 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2957 of the correct signedness is returned.
2959 2006-05-02 Jeff Law <law@redhat.com>
2961 PR tree-optimization/27364
2962 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2963 multiply expressions.
2965 2006-05-02 Tom Tromey <tromey@redhat.com>
2967 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2969 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2972 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2973 -mthumb -fPIC are used.
2975 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2976 Joshua Kinard <kumba@gentoo.org>
2979 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2980 with 64-bit pointers.
2982 2006-05-02 Paul Brook <paul@codesourcery.com>
2984 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2986 (create_fix_barrier): Check that a suitable barrier location is
2988 (arm_reorg): Include ftmp->address in allowable range of addresses.
2990 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2993 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2996 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2999 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3000 around RESULT_DECL for result passed by reference.
3001 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3002 * omp-low.c (use_pointer_for_field): Don't look at
3003 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3004 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3005 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3006 time or var for passing by reference for
3007 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3008 TREE_ADDRESSABLE variables when passing by reference.
3010 * omp-low.c (dump_omp_region): Fix output formatting.
3013 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3014 (expand_omp_parallel): Likewise.
3015 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3018 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3019 on statement list containing also constructors and destructors.
3020 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3023 * except.c (duplicate_eh_regions): Fix clearing of
3024 cfun->eh->region_array entries.
3026 2006-05-01 DJ Delorie <dj@redhat.com>
3028 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3030 (gcc_cv_objdump): Likewise.
3031 * configure: Regenerated.
3033 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3036 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3037 templates for case 3 and 4.
3039 2006-05-01 DJ Delorie <dj@redhat.com>
3041 * vec.c: Include bconfig.h when appropriate.
3042 * Makefile.in (build/vec.o): Adjust dependencies.
3043 * mkconfig.sh: Make sure config.h isn't used for build machine
3046 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3048 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3050 (mark_phi_for_rewrite): New function.
3051 (insert_phi_nodes_for, mark_use_interesting): Call
3052 mark_phi_for_rewrite.
3053 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3054 (update_ssa): Initialize and free phis_to_rewrite.
3056 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3058 PR rtl-optimization/27291
3059 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3060 folded to a constant.
3062 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3064 PR tree-optimization/27283
3065 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3066 not whole # of iteration descriptions.
3067 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3068 uses abnormal ssa name.
3069 (niter_for_single_dom_exit): Ditto.
3070 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3071 return just the number of iterations.
3073 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3075 PR tree-optimization/27144
3076 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3077 (record_estimate): Only record constant upper bound.
3078 (infer_loop_bounds_from_undefined): Call
3079 compute_estimated_nb_iterations just once.
3080 (proved_non_wrapping_p): Renamed to ...
3081 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3082 (convert_step_widening, scev_probably_wraps_p): Call
3083 n_of_executions_at_most instead of proved_non_wrapping_p.
3084 (substitute_in_loop_info): Do not replace values in bounds.
3085 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3088 2006-05-01 Richard Henderson <rth@redhat.com>
3091 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3092 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3095 2006-05-01 Roger Sayle <roger@eyesopen.com>
3097 * c-typeck.c (parser_build_binary_op): Don't call the function
3098 unsigned_conversion_warning to spot operand/result type overflow.
3099 (build_binary_op): Instead, call convert_and_check instead of
3100 convert to report the problem when the operands are promoted.
3101 * c-common.c (unsigned_conversion_warning): Make static.
3102 * c-common.h (unsigned_conversion_warning): Delete prototype.
3104 2006-05-01 Richard Guenther <rguenther@suse.de>
3106 PR tree-optimization/26726
3107 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3109 (find_interesting_uses_address): ... we work around here
3110 by folding INDIRECT_REFs in the substituted base.
3112 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3114 * omp-low.c (dump_omp_region): Add newlines.
3116 2006-04-30 Roger Sayle <roger@eyesopen.com>
3118 * common.opt (Woverflow): New command line option.
3119 * c-common.c (constant_expression_warning): Check warn_overflow.
3120 (overflow_waring): Pass OPT_Woverflow to warning.
3121 (unsigned_conversion_warning): Likewise.
3122 (convert_and_check): Likewise.
3123 * doc/invoke.texi: Document new command line option.
3125 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3127 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3128 TARGET_NO_FP_IN_TOC for section anchors.
3129 (optimization_options): Enable section anchors for all
3130 non-"Objective" languages.
3132 2006-04-28 Eric Christopher <echristo@apple.com>
3134 * config/darwin-c.c (darwin_ms_struct): Move this
3135 (darwin_set_default_type_attributes): and this...
3136 * config/darwin.c: ... here.
3137 * config/darwin.h (darwin_ms_struct): Declare.
3139 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3141 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3143 2006-04-28 Roger Sayle <roger@eyesopen.com>
3146 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3147 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3148 an unsigned HOST_WIDE_INT.
3149 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3151 (really_start_incremental_init): No need to call convert because
3152 bitsize_zero_node is already of type bitsizetype.
3153 (push_init_level): Extract the value of constructor_index as an
3154 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3155 (process_init_element): Likewise.
3157 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3159 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3160 value before passing to make_relative_prefix.
3162 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3165 * builtins.c (expand_builtin_memset): Expand val in original mode.
3167 2006-04-27 Eric Christopher <echristo@apple.com>
3169 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3170 with #ifndef/#endif.
3171 * config/darwin-c.c (darwin_ms_struct): New.
3172 (darwin_pragma_ms_struct): Ditto.
3173 (darwin_set_default_type_attributes): Ditto.
3174 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3175 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3176 Register ms_struct pragma.
3177 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3178 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3179 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3180 darwin_set_default_type_attributes if TARGET_MACHO.
3182 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3184 PR tree-optimization/26854
3185 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3186 * doc/tree-ssa.texi: Update immuse iterator documentation.
3187 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3188 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3189 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3190 first_safe_imm_use, next_safe_imm_use): Remove.
3191 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3192 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3193 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3194 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3195 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3196 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3197 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3198 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3199 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3200 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3201 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3202 (perfect_nestify): Use new iterator.
3203 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3205 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3206 (next_imm_name): New field in struct immediate_use_iterator_d.
3207 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3208 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3209 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3210 * tree-cfg.c (replace_uses_by): Use new iterator.
3211 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3212 * tree-ssa-operands.c (correct_use_link): Remove.
3213 (finalize_ssa_use_ops): No longer call correct_use_link.
3215 2006-04-27 Stuart Hastings <stuart@apple.com>
3217 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3218 * config/t-darwin (crt3.o): Use it.
3219 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3220 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3221 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3222 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3223 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3226 2006-04-27 Roger Sayle <roger@eyesopen.com>
3228 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3229 size, force the intermediate into a new pseudo rather instead of
3230 performing both a bitwise AND and a bitwise IOR in memory.
3232 2006-04-27 Richard Guenther <rguenther@suse.de>
3234 PR rtl-optimization/26685
3235 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3236 this one "max-flow-memory-locations".
3238 2006-04-27 Richard Guenther <rguenther@suse.de>
3240 PR tree-optimization/25148
3241 * tree-vrp.c (compare_values): Remove code dealing with
3242 comparisons against type min/max value. Honour overflow
3243 and negative constants in code dealing with comparisons
3244 of plus and minus expressions.
3245 (value_inside_range): Use fold_binary with LE_EXPR and
3246 GE_EXPR rather than compare_values.
3248 2006-04-27 Dirk Mueller <dmueller@suse.de>
3250 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3253 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3255 * basic-block.h (safe_insert_insn_on_edge): Removed.
3256 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3258 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3259 Paolo Bonzini <bonzini@gnu.org>
3262 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3263 (simplify_and_const_int): Same.
3265 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3267 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3269 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3272 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3273 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3274 cgraph_global_info_ready.
3277 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3280 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3281 either decl or init is error_mark_node.
3284 * tree-flow.h (struct omp_region): Add sched_kind.
3285 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3286 instead of extracting omp for data.
3287 (expand_omp_for): Save extracted sched_kind.
3289 2006-04-25 Roger Sayle <roger@eyesopen.com>
3291 * expmed.c (store_bit_field): Also check whether the bitsize is
3292 valid for the machine's "insv" instruction before moving the
3293 target into a pseudo for use with the insv.
3294 * config/i386/predicates.md (const8_operand): New predicate.
3295 * config/i386/i386.md (extv, extzv, insv): Use the new
3296 const8_operand predicate where appropriate.
3298 2006-04-25 DJ Delorie <dj@redhat.com>
3300 * doc/install.texi (Specific): Clarify that this is not a list of
3301 supported hosts or targets.
3303 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3305 PR rtl-optimization/26725
3306 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3307 block's BB_DIRTY flag.
3309 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3311 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3314 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3315 to print an integer.
3317 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3319 * varasm.c (align_variable): New function.
3320 (get_block_for_decl): Apply align_variable to DECL before
3321 calculating section information.
3322 (assemble_variable): Split out alignment computation.
3324 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3326 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3329 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3331 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3332 MODE_PARTIAL_INT mode.
3333 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3334 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3336 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3337 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3339 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3341 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3343 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3344 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3345 MACFLAG_IH): Likewise.
3346 (movstricthi_1): Renamed from "*movstricthi".
3347 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3348 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3349 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3350 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3351 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3352 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3353 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3354 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3355 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3356 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3357 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3358 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3359 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3360 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3361 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3363 * doc/rtl.texi (ss_ashift): Improve wording.
3365 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3367 * dwarf2out.c (verify_marks_clear): New.
3368 (prune_unused_types): Call verify_marks_clear initially, not
3371 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3373 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3374 * doc/rtl.texi: Document them.
3375 * simplify-rtx.c (simplify_unary_operation,
3376 simplify_binary_operation_1): Don't abort when we see them.
3378 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3381 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3382 * configure.ac: Completely disregard languages that are not
3384 * configure: Regenerated.
3386 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3387 Richard Guenther <rguenther@suse.de>
3389 PR tree-optimization/27236
3390 * tree-inline.c (copy_body_r): Make sure to copy
3391 TREE_THIS_VOLATILE flag.
3393 2006-04-24 Richard Guenther <rguenther@suse.de>
3396 * tree-complex.c (update_parameter_components): Don't handle
3397 unused parameters which have no default def.
3399 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3400 Richard Guenther <rguenther@suse.de>
3402 PR tree-optimization/27218
3403 * tree-inline.c (expand_call_inline): Strip useless type
3404 conversions for the return slot address.
3406 2006-04-24 Richard Guenther <rguenther@suse.de>
3408 * cfgloop.h (struct loops): Remove unused field array. Reorder
3410 (LOOP_PREFETCH): Remove.
3412 2006-04-24 Richard Guenther <rguenther@suse.de>
3414 PR tree-optimization/22525
3415 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3416 variable, adjust types of generated expressions.
3418 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3420 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3421 (tree-vect-patterns.o): Likewise.
3423 (cselib.o): Likewise.
3424 (loop-doloop.o): Likewise.
3425 (regclass.o): Likewise.
3426 (reload1.o): Likewise.
3427 (explow.o): Replace target.h with $(TARGET_H).
3428 (ipa-prop.o): Likewise.
3429 (ipa-cp.o): Likewise.
3430 (ipa-inline.o): Likewise.
3431 (reorg.o): Likewise.
3432 (reg-stack.o): Likewise.
3434 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3436 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3438 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3440 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3442 * configure.ac: Completely disregard languages that are not
3444 * configure: Regenerated.
3447 * c-common.h (c_build_bitfield_integer_type): Declare.
3448 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3449 * c-common.c (c_build_bitfield_integer_type): ... here.
3451 2006-04-23 Roger Sayle <roger@eyesopen.com>
3454 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3455 a SImode SUBREG of a floating point register after no_new_pseudos.
3457 2006-04-23 Roger Sayle <roger@eyesopen.com>
3459 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3460 identify potentially eliminable registers to additionally catch
3461 VIRTUAL_INCOMING_ARGS_REGNUM.
3462 (addsi3): Update the conditions on when to use addsi_small_int.
3464 2006-04-23 Roger Sayle <roger@eyesopen.com>
3467 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3468 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3469 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3471 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3473 * fold-const.c (range_predecessor): Use operand_equal_p
3474 as the predicate for equality.
3475 (range_successor): Likewise.
3477 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3480 * config/soft-fp/op-common.h: Fix a typo.
3482 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3485 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3486 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3488 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3490 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3492 * doc/tm.texi: Fix a typo.
3494 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3496 * dwarf2out.c (struct die_struct): Document that die_sib makes
3497 a circular linked list.
3498 (FOR_EACH_CHILD): New.
3499 (reverse_die_lists): Delete.
3500 (reverse_all_dies): Delete.
3501 (add_dwarf_attr): Correct documentation.
3502 (remove_child_with_prev): New.
3503 (remove_child_TAG): Update for change to die_struct, use
3504 remove_child_with_prev.
3505 (add_child_die): Update for change to die_struct.
3506 (splice_child_die): Use remove_child_with_prev and add_child_die.
3507 (print_die): Use FOR_EACH_CHILD.
3508 (die_checksum): Likewise.
3509 (assign_symbol_names): Likewise.
3510 (output_location_lists): Likewise.
3511 (build_abbrev_table): Likewise.
3512 (calc_die_sizes): Likewise.
3513 (mark_dies): Likewise.
3514 (unmark_dies): Likewise.
3515 (unmark_all_dies): Likewise.
3516 (output_die): Likewise.
3517 (prune_unused_types_mark): Likewise.
3518 (prune_unused_types_walk): Likewise.
3519 (same_die_p): Update for change to die_struct.
3520 (break_out_includes): Likewise.
3521 (prune_unused_types_prune): Likewise.
3522 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3523 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3525 (dwarf2out_finish): Don't call reverse_all_dies.
3527 2006-04-21 Eric Christopher <echristo@apple.com>
3529 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3530 in comments and function names.
3532 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3535 * c-typeck.c (digest_init): Robustify.
3537 * c-typeck.c (pop_init_level): Simplify.
3539 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3541 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3543 2006-04-21 Paul Brook <paul@codesourcery.com>
3545 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3546 hardware floating point.
3548 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3550 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3553 2006-04-21 Nick Clifton <nickc@redhat.com>
3555 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3558 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3561 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3562 C++ lang type in traceback table for Objective-C++.
3564 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3566 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3568 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3570 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3573 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3574 were errors. Remove check for erroneous objects.
3576 2006-04-20 Jeff Law <law@redhat.com>
3578 PR tree-optimization/26854
3579 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3580 checking for zero or one use.
3581 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3582 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3583 * tree-ssa-reassoc.c (negate_value): Similarly.
3584 (reassociate_bb): Similarly.
3586 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3588 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3589 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3590 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3592 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3594 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3595 fp regs if the last fp arg doesn't fit in regs.
3597 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3600 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3601 that the last insn has the REG_INC note.
3603 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3604 Nathan Sidwell <nathan@codesourcery.com>
3607 * stor-layout.c (update_alignment_for_field): Do not align
3609 (place_union_field): Place union field at the start of the union.
3610 (place_field): Move ERROR_MARK check later, and use the current
3611 allocation position to maintain monotonicity.
3613 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3615 * dominance.c: Include timevar.h.
3616 (calculate_dominance_info): Use TV_DOMINANCE.
3617 * timevar.def (TV_DOMINANCE): New timevar.
3618 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3620 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3622 PR rtl-optimization/14261
3623 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3624 move would be an INSV insn.
3625 (noce_process_if_block): Don't optimize if the destination is a
3626 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3628 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3630 * config/s390/s390.md: Add comments with the instructions emitted
3631 by an insn pattern if macros are used.
3633 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3635 PR rtl-optimization/26026
3636 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3637 is a known power of two shifted left a variable amount.
3639 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3641 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3642 to hash table twice when the debug_str section has SECTION_MERGE.
3644 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3646 * config/soft-fp: New directory. From glibc.
3647 * config/soft-fp/t-softfp: New.
3648 * config/soft-fp/README: New.
3649 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3650 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3651 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3652 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3653 * config.gcc: Use rs6000/t-fprules-fpbit or
3654 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3656 * config/rs6000/sfp-machine.h: New. Based on glibc.
3657 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3659 * config/rs6000/t-fprules: Remove fp-bit rules.
3660 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3661 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3662 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3663 (softfp_wrap_start, softfp_wrap_end): New.
3665 2006-04-18 DJ Delorie <dj@redhat.com>
3667 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3669 2006-04-18 Devang Patel <dpatel@apple.com>
3671 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3673 2006-04-18 Nick Clifton <nickc@redhat.com>
3675 * config/sh/t-symbian: Add rule to build sh-c.o
3676 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3677 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3678 (sh_symbian_encode_section_info): Likewise.
3680 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3682 * builtins.c (expand_builtin_strcmp): Cover label definition of
3683 do_libcall with HAVE_cmpstrnsi.
3685 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3687 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3689 * function.h (temp_slot_p): New.
3690 (function): Change the type of x_used_temp_slots to
3691 VEC(temp_slot_p,gc) *.
3693 2006-04-18 Nick Clifton <nickc@redhat.com>
3695 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3696 flag_strength_reduce.
3698 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3700 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3704 Partial revert of revision 112637
3705 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3706 Dale Johannesen <dalej@apple.com>
3709 * regclass.c (struct reg_pref): Update documentation.
3710 (regclass): Set prefclass to NO_REGS if memory is the best option.
3711 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3713 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3715 PR tree-optimization/26821
3716 * tree-ssa-math-opts.c (get_constant_one): New.
3717 (insert_reciprocals): Use it.
3719 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3721 * dwarf2out.c (free_AT): Delete.
3722 (remove_AT): Update string ref counts.
3723 (remove_child_TAG): Don't call free_die.
3725 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3726 or DW_TAG_GNU_EINCL.
3727 (prune_unused_types_walk_attribs): Reset string refcounts.
3728 (prune_unused_types_update_strings): New.
3729 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3730 call free_die. Do call prune_unused_types_update_strings.
3731 (prune_unused_types): Empty debug_str_hash.
3733 2006-04-17 Roger Sayle <roger@eyesopen.com>
3735 * expr.c (expand_assignment): Optimize away no-op moves where the
3736 source and destination are equal and have no side-effects.
3738 2006-04-17 Richard Guenther <rguenther@suse.de>
3741 * reload.c (push_reload): Guard calls to get_secondary_mem
3744 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3746 * alias.c (reg_base_value, old_reg_base_value): Change the
3747 type to VEC(rtx,gc) *.
3748 (REG_BASE_VALUE, find_base_value, record_set,
3749 init_alias_analysis): Use VEC instead of VARRAY.
3751 * alias.c (alias_sets): Change the type to
3752 VEC(alias_set_entry,gc) *.
3753 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3754 VEC instead of VARRAY.
3755 (last_alias_set): Remove.
3757 * cgraph.h (cgraph_edge_p): New.
3758 Update the prototype of cgraph_function_versioning.
3759 * cgraphunit.c (cgraph_copy_node_for_versioning,
3760 cgraph_function_versioning): Use VEC instead of VARRAY.
3761 * ipa-cp.c (ipcp_insert_stage): Likewise.
3763 2006-04-16 Roger Sayle <roger@eyesopen.com>
3766 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3767 "A op B" or "A op C", we may need to convert A to the type of B and C.
3769 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3771 * target.h (struct gcc_target): Add mode_rep_extended.
3772 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3773 (init_num_sign_bit_copies_in_rep): Initialize it using
3775 (truncate_to_mode): Use it.
3776 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3777 * targhooks.h (default_mode_rep_extended): Declare it.
3778 * targhooks.c (default_mode_rep_extended): Define it.
3779 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3780 default_mode_rep_extended.
3781 (TARGET_INITIALIZER): Include it.
3782 * doc/tm.texi (Misc): Document it.
3783 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3784 (mips_truncated_to_mode): New function.
3786 2006-04-16 Roger Sayle <roger@eyesopen.com>
3789 * expr.c (compress_float_constant): Copy the narrow constant into
3790 a new pseudo before extending it to its final width.
3792 2006-04-16 Roger Sayle <roger@eyesopen.com>
3793 Andrew Pinski <pinskia@gcc.gnu.org>
3794 Dale Johannesen <dalej@apple.com>
3797 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3798 special case code to implement V8HImode and V16QImode with SSE2.
3800 2006-04-15 Roger Sayle <roger@eyesopen.com>
3802 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3803 trees are constructed with a suitable tree type.
3805 2006-04-15 Roger Sayle <roger@eyesopen.com>
3807 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3808 (integer_onep): Likewise.
3809 (integer_all_onesp): Likewise.
3810 (integer_pow2p): Likewise.
3811 (integer_nonzerop): Likewise.
3812 (real_zerop): Likewise.
3813 (real_onep): Likewise.
3814 (real_twop): Likewise.
3815 (real_minus_onep): Likewise.
3816 (int_size_in_bytes): Likewise.
3817 (host_integerp): Likewise.
3819 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3821 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3822 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3823 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3825 * tree-ssa-structalias.h (alias_info): Remove num_references.
3827 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3829 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3830 (output_bvb patterns): Likewise.
3831 * pa.c (output_bb): Use 'bb' insn for long branch case.
3832 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3833 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3834 1. Correct length operand for alternatives 1 and 2.
3835 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3836 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3838 2006-04-14 Roger Sayle <roger@eyesopen.com>
3840 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3841 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3842 were accidentally reverted by r112959.
3844 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3847 * except.h (eh_region_outermost): New prototype.
3848 * except.c (eh_region_outermost): New function.
3849 * tree-cfg.c (find_outermost_region_in_block): Use it.
3851 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3853 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3855 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3856 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3857 (init_reload, reload): Use VEC instead of VARRAY.
3858 * reload.h: Update the prototype for
3859 reg_equiv_memory_loc_varray.
3861 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3862 Eric Botcazou <ebotcazou@libertysurf.fr>
3864 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3867 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3870 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3871 to expand fallback builtin function call.
3873 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3876 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3877 and emit libcall here in case the builtin fails.
3878 (expand_builtin_strcmp): Always emit the libcall here on failure.
3880 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3882 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3883 * flow.c (reg_n_info): Change the type to
3884 VEC(reg_info_p,heap) *.
3885 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3887 * regs.h (reg_info_p): New.
3888 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3889 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3890 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3893 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3895 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3897 * params.h (MAX_SCHED_READY_INSNS): New macro.
3898 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3899 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3900 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3901 the ready list for 1 cycle during the first scheduling pass.
3902 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3904 2006-04-13 Richard Henderson <rth@redhat.com>
3907 * gimple-low.c (lower_omp_directive): Remove dead code.
3908 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3909 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3910 * omp-low.c (struct omp_region): Move to tree-flow.h.
3911 (root_omp_region): Export.
3912 (omp_regions, lookup_omp_region): Remove.
3913 (determine_parallel_type): Update for struct omp_region changes.
3914 (dump_omp_region): Dump regions with block numbers.
3915 (new_omp_region): Take type and block instead of stmt; malloc
3917 (free_omp_region_1, free_omp_regions): New.
3918 (expand_parallel_call): Take entry_stmt as argument; update for
3919 changes to omp_region.
3920 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3921 (remove_exit_barriers): New.
3922 (expand_omp_parallel): Update for struct omp_region changes.
3923 (expand_omp_synch): Likewise.
3924 (expand_omp): Likewise.
3925 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3926 (expand_omp_for_static_chunk): Likewise.
3927 (expand_omp_for): Likewise.
3928 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3929 (expand_omp_sections): Similarly, with GOMP_sections_end.
3930 (expand_omp_single): New.
3931 (build_omp_regions_1): Update for OMP_CONTINUE.
3932 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3933 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3934 OMP_SECTIONS_SECTIONS.
3935 (lower_omp_single_simple): Don't emit barrier here.
3936 (lower_omp_single_copy): Likewise.
3937 (lower_omp_single): Fix bindings, and lower to straightline now.
3938 (lower_omp_master, lower_omp_ordered): Likewise.
3939 (lower_omp_critical): Likewise.
3940 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3941 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3942 omp edges, free it afterward.
3943 (make_omp_sections_edges): Remove.
3944 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3945 (move_stmt_r): Handle OMP_CONTINUE.
3946 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3947 statement pointers to basic blocks. Add type member.
3948 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3949 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3950 * tree-inline.c (estimate_num_insns_1): Likewise.
3951 * tree-pretty-print.c (dump_generic_node): Likewise.
3952 * tree-ssa-operands.c (get_expr_operands): Likewise.
3953 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3954 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3955 (OMP_CONTINUE): New.
3956 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3957 (OMP_SECTIONS_SECTIONS): Remove.
3958 (OMP_SECTION_LAST): New.
3959 (OMP_RETURN_NOWAIT): New.
3961 2006-04-13 Roger Sayle <roger@eyesopen.com>
3963 * fold-const.c (native_encode_vector, native_interpret_real):
3964 Correct obvious mistakes in the previous check-in.
3966 2006-04-13 Roger Sayle <roger@eyesopen.com>
3968 * fold-const.c (native_encode_expr): New function to encode
3969 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3970 or VECTOR_CST into a specified buffer.
3971 (native_encode_int): New function.
3972 (native_encode_real): New function.
3973 (native_encode_complex): New function.
3974 (native_encode_vector): New function.
3975 (native_interpret_expr): Inverse of native_encode_expr to convert
3976 a target representation into an INTEGER_CST, REAL_CST etc...
3977 (native_interpret_int): New function.
3978 (native_interpret_real): New function.
3979 (native_interpret_complex): New function.
3980 (native_interpret_vector): New function.
3981 (fold_view_convert_expr): New function to constant fold/evaluate
3982 a VIEW_CONVERT_EXPR of a suitable constant expression.
3983 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3984 Change call of build1 to fold_build1 when constructing a
3987 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3988 Ulrich Weigand <uweigand@de.ibm.com>
3991 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3994 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3997 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3998 optimize to lo_sum for DFmode if !TARGET_FPRS.
4000 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4002 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4003 delete_alias_info, compute_flow_sensitive_aliasing,
4004 group_aliases): Use VEC instead of VARRAY.
4005 * tree-ssa-structalias.c (update_alias_info): Likewise.
4006 * tree-ssa-structalias.h (alias_info): Change the type of
4007 processed_ptrs to VEC(tree,heap) *.
4009 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4012 * config/sh/lib1funcs.h: New file, broken out of:
4013 * config/sh/lib1funcs.asm.
4014 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4016 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4017 * config/sh/lib1funcs-Os-4-200.asm: New file.
4018 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4019 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4020 (EXTRA_MULTILIB_PARTS): Include it.
4021 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4022 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4023 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4024 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4027 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4029 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4030 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4031 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4033 * tree-ssa-live.h: Include vecprim.h.
4034 (tree_partition_associator_d): Change the type of
4035 first_partition to VEC(int,heap) *.
4036 (tpa_first_partition): Use VEC instead of VARRAY.
4038 * Makefile.in (GTFILES): Move functions.h after tree.h.
4039 * function.c (reset_block_changes, record_block_change,
4040 check_block_change, free_block_changes): Use VEC instead of
4042 * function.h (function): Change the type of
4043 ib_boundaries_block to VEC(tree,gc) *.
4044 * tree-inline.c (copy_cfg_body): Initialize
4045 ib_boundaries_block to NULL instead of (varray_type) 0.
4047 2006-04-12 Roger Sayle <roger@eyesopen.com>
4049 * expr.c (emit_group_store): Correct operand order in call to
4050 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4051 a SUBREG_BYTE of zero.
4053 2006-04-12 Richard Guenther <rguenther@suse.de>
4055 * profile.c (compute_branch_probabilities): Remove code
4056 encapsulated in !ir_type (), which are remanents of the
4057 removed RTL profiling code.
4058 * rtl-profile.c: Remove.
4060 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4062 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4063 magic NULL_RTX comment.
4064 (function_arg): Store entire fp arg to mem if any part should go
4066 (rs6000_arg_partial_bytes): Adjust for above change.
4068 2006-04-11 Roger Sayle <roger@eyesopen.com>
4070 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4071 if it hasn't been initialized by dwarf2out_init.
4073 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4075 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4076 symbolic constants in branch patterns.
4078 2006-04-11 Roger Sayle <roger@eyesopen.com>
4080 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4082 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4084 PR rtl-optimization/27073
4085 * gcse.c (try_replace_reg): Revert last change. Continue to search
4086 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4089 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4091 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4092 aggregate types other than record and union types.
4093 (function_arg): Likewise.
4094 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4096 (function_value): In 64-bit mode, return objects that require it
4099 2006-04-11 Roger Sayle <roger@eyesopen.com>
4101 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4103 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4105 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4107 2006-04-03 Jeff Law <law@redhat.com>
4110 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4111 alias information too.
4113 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4115 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4117 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4120 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4121 (premark_used_types_helper): New.
4122 (premark_used_types): New.
4123 (gen_subprogram_die): Call premark_used_types.
4124 (prune_unused_types_walk): Do not prune perennial dies.
4125 * function.c (used_types_insert): New.
4126 * function.h (struct function): Add used_types_hash field.
4127 (used_types_insert): Add prototype.
4128 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4129 * c-parser.c (c_parser_cast_expression): Save casted types in used
4132 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4135 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4136 rs6000_explicit_options.float_gprs.
4138 2006-04-10 Roger Sayle <roger@eyesopen.com>
4140 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4141 from ix86_expand_vector_init_low_nonzero. Take an additional
4142 one_var argument indicating which element is non-zero. Support
4143 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4144 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4145 with one_var instead of ix86_expand_vector_init_low_nonzero.
4147 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4149 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4150 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4151 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4152 build/genextract.o): Depend on vecprim.h.
4153 * cfglayout.c, df-problems.c, function.c, genextract.c,
4154 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4155 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4159 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4161 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4162 Declare VECs of this type.
4163 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4164 (remove_children): Delete.
4165 (add_dwarf_attr): Use VEC routines.
4166 (add_AT_flag): Update for changes to add_dwarf_attr.
4167 (add_AT_int): Likewise.
4168 (add_AT_unsigned): Likewise.
4169 (add_AT_long_long): Likewise.
4170 (add_AT_vec): Likewise.
4171 (add_AT_string): Likewise.
4172 (add_AT_die_ref): Likewise.
4173 (add_AT_fde_ref): Likewise.
4174 (add_AT_loc): Likewise.
4175 (add_AT_loc_list): Likewise.
4176 (add_AT_addr): Likewise.
4177 (add_AT_lbl_id): Likewise.
4178 (add_AT_lineptr): Likewise.
4179 (add_AT_macptr): Likewise.
4180 (add_AT_offset): Likewise.
4181 (add_AT_range_list): Likewise.
4182 (get_AT): Use VEC_iterate.
4183 (remove_AT): Use VEC_ordered_remove.
4184 (free_die): Fold remove_children into here; have it use VEC_iterate.
4185 (print_die): Use VEC_iterate on attrs.
4186 (reverse_die_lists): Don't reverse attr lists.
4187 (die_checksum): Use VEC_iterate on attrs.
4188 (same_die_p): Likewise.
4189 (output_location_lists): Likewise.
4190 (build_abbrev_table): Likewise.
4191 (size_of_die): Likewise.
4192 (unmark_all_dies): Likewise.
4193 (output_abbrev_section): Likewise.
4194 (output_die): Likewise.
4195 (prune_unused_types_walk_attribs): Likewise.
4197 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4199 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4201 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4204 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4206 2006-04-09 Roger Sayle <roger@eyesopen.com>
4208 * expr.c (store_constructor): Don't bother clearing target if
4209 we're about to assign a vector to it using vec_init_optab.
4211 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4213 * tree-ssa-alias.c (lhs_may_store_to): New function.
4214 (recalculate_used_alone): Handle LHS of calls.
4216 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4220 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4221 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4222 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4223 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4224 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4225 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4226 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4227 stubs. Add ".align 8" directives before all ".dword" directives.
4228 (GTHREAD_USE_WEAK): Revise comment.
4229 (TARGET_ATTRIBUTE_WEAK): Define.
4230 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4231 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4232 * stublib.c: New file.
4237 * pa.md (cbranch patterns): Revise arguments used in calls to
4238 output_cbranch, output_bb and output_bvd. Add long branch length
4240 (fbranch patterns): Handle long branches.
4241 (jump): Revise length check. Revise arguments for output_lbranch call.
4242 Add long branch length attributes.
4243 (decrement_and_branch_until_zero): Add long branch length attributes.
4244 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4245 Likewise. Revise arguments for output_parallel_addb and
4246 output_parallel_movb calls.
4247 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4248 output_parallel_movb and output_parallel_addb): Update prototypes.
4249 * pa.c (output_cbranch): Revise arguments. Correct handling of
4250 nullification in long branches.
4251 (output_lbranch): Add new argument to control extraction of delay
4253 (output_bb): Handle long branches.
4254 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4255 output_parallel_addb): Likewise.
4257 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4259 PR rtl-optimization/27073
4260 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4263 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4265 * tree.h (tree_memory_tag): Add old_used_alone.
4266 (SMT_OLD_USED_ALONE): New macro.
4267 * tree-ssa-alias.c (recalculate_used_alone): Stop
4268 marking things for renaming unnecessarily.
4270 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4272 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4273 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4274 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4275 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4276 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4277 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4278 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4279 spelling convensions.
4280 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4281 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4282 typos. Follow spelling conventions.
4284 2006-04-07 DJ Delorie <dj@redhat.com>
4286 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4287 passed on the stack.
4288 (m32c_init_cumulative_args): When a function returns a structure,
4289 always pass the pointer to that return area on the stack.
4290 (m32c_function_arg_advance): Don't increment the parameter number
4291 if we're processing the returned structure pointer.
4292 (pushm_info): Reverse order of registers.
4294 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4296 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4297 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4298 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4299 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4301 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4302 chrec_fold_multiply): Same.
4303 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4304 force_expr_to_var_cost): Same.
4305 * tree-mudflap.c (mf_xform_derefs_1): Same.
4306 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4308 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4310 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4311 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4314 2006-04-07 Jan Hubicka <jh@suse.cz>
4316 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4318 2006-04-07 Richard Guenther <rguenther@suse.de>
4320 PR tree-optimization/26135
4321 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4322 loads for store copy-prop.
4323 (copy_prop_visit_stmt): Likewise.
4325 2006-04-05 Robert Millan <robertmh@gnu.org>
4327 * config/i386/linux.h: Add a comment to mark macros that are
4328 being overriden in config/k*bsd-gnu.h.
4329 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4331 * config/knetbsd-gnu.h: Ditto.
4333 2006-04-06 Jan Hubicka <jh@suse.cz>
4337 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4340 2006-04-06 Mike Stump <mrs@apple.com>
4342 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4343 for HAVE_nonlocal_goto to be consistent.
4344 (expand_builtin_nonlocal_goto): Likewise.
4345 (expand_builtin_strcmp): Use #ifdef instead of #if
4346 for HAVE_cmpstrnsi to be consistent.
4348 2006-04-05 DJ Delorie <dj@redhat.com>
4350 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4353 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4355 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4356 got-relative addressing for anything but SImode.
4358 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4359 even if the calling function doesn't modify them.
4361 2006-04-05 Richard Guenther <rguenther@suse.de>
4363 PR tree-optimization/26919
4364 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4365 to cgraph_estimate_size_after_inlining.
4367 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4369 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4371 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4373 PR tree-optimization/26996
4374 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4375 VECTOR_TYPE variables.
4377 2006-04-05 Richard Guenther <rguenther@suse.de>
4379 PR tree-optimization/26763
4380 * fold-const.c (fold_comparison): Move folding of
4381 PTR + CST CMP PTR + CST ...
4382 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4384 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4386 * doc/install.texi (Prerequisites): Refine some wording on
4387 bootstrapping and ksh.
4388 Move the version numbers of DejaGnu here from the testing section
4389 and fix casing of names.
4390 Fix markup and clarify wording for autogen requirements.
4391 Refer to GCJ instead of just java.
4392 Refer to SVN instead of CVS.
4393 Describe diffutils as useful instead of necessary.
4394 (Downloading the source): Refer to SVN instead of CVS.
4395 Adjust a link to our web site accordingly.
4396 (Configuration): Fix casing of Bison.
4397 (Building): Refer to SVN instead of CVS.
4398 Fix a sentence on the use of Bison and remove duplicate (and
4399 incorrect) version number of Bison requirement.
4400 Remove one redundant list of packages needed for building.
4401 (Specific): Avoid reference to CVS.
4403 2006-04-04 Eric Christopher <echristo@apple.com>
4405 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4406 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4407 (rs6000_handle_struct_attribute): New.
4408 (rs6000_ms_bitfield_layout_p): Ditto.
4410 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4412 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4413 NULL for dso parameter to atexit_common.
4415 2006-04-04 Eric Christopher <echristo@apple.com>
4417 * config/i386/i386.c (machopic_output_stub): Output \t
4418 between instructions and operands.
4420 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4422 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4423 satisfies_constraint_[IL] to explicit tests on value.
4425 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4427 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4428 set_nb_iterations_in_loop): Use build_int_cst instead of
4430 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4431 build_int_cst instead of convert.
4433 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4435 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4436 new value 2 for incoming.
4437 * function.c (expand_function_start): Call struct_value_rtx
4439 * config/sparc/sparc.md: Comment updated_return.
4440 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4441 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4442 struct return if sparc_std_struct_return and incoming is 2.
4443 (print_operand): Do not adjust return if
4444 sparc_std_struct_return.
4446 2006-04-04 Roger Sayle <roger@eyesopen.com>
4448 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4449 convert in the middle-end.
4450 * expr.c (store_expr, store_constructor, get_inner_reference,
4451 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4453 * tree.c (build_range_type): Likewise.
4455 2006-04-04 Tom Tromey <tromey@redhat.com>
4457 * doc/install.texi (Prerequisites): Mention jar.
4459 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4461 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4464 2006-04-04 Matthias Klose <doko@debian.org>
4466 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4467 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4470 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4472 * doc/extend.texi (Function Attributes): Rewrite visibility
4473 attribute documentation.
4474 * doc/invoke.texi (C++ Dialect Options): Rewrite
4475 -fvisibility-inlines-hidden documentation to describe something
4476 entirely different, although in practise compatible.
4477 (Code Gen Options): Warn about system headers in -fvisibility=
4480 * doc/extend.texi (Other Builtins): Document that
4481 __builtin_nan is a compile-time constant only when its argument
4484 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4486 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4487 trying to remove TRUNCATE check if all bits outside the new mode
4488 are identical to the sign bit.
4490 2006-04-03 Jeff Law <law@redhat.com>
4492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4493 and operand scanning in some common cases.
4495 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4496 Dale Johannesen <dalej@apple.com>
4499 * regclass.c (struct reg_pref): Update documentation.
4500 (regclass): Set prefclass to NO_REGS if memory is the best option.
4501 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4502 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4503 into account. For non-registers, equate an empty preferred
4504 reload class to a `!' in the constraint; move the if clause to
4505 do so after those that reject the insn.
4506 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4508 (find_dummy_reload): Likewise.
4509 * doc/tm.texi (Register Classes): Document what it means
4510 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4511 * config/i386/i386.c (ix86_preferred_reload_class): Force
4512 using SSE registers (and return NO_REGS for floating-point
4513 constants) if math is done with SSE.
4514 (ix86_preferred_output_reload_class): New.
4515 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4516 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4517 * config/i386/i386.md: Remove # register preferences.
4519 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4522 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4523 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4524 the type of nb_iter.
4525 (instantiate_parameters_1): Convert the operands before calling
4526 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4527 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4529 2006-04-02 Roger Sayle <roger@eyesopen.com>
4531 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4532 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4534 * dojump.c (do_jump): Likewise.
4535 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4536 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4537 gimplify_boolean_expr): Likewise.
4538 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4539 * varasm.c (array_size_for_constructor): Likewise.
4540 * tree-object-size.c (compute_object_offset): Likewise.
4542 2006-04-02 Roger Sayle <roger@eyesopen.com>
4545 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4546 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4548 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4550 PR tree-optimization/26939
4551 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4553 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4555 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4556 at_stmt. Convert the type of operands before calling
4557 build_polynomial_chrec.
4558 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4560 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4561 (instantiate_parameters_1): Convert the type of operands before calling
4562 build_polynomial_chrec.
4563 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4564 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4565 reset_evolution_in_loop): Insert asserts to check the types of the
4567 (chrec_type): Moved...
4568 (eq_evolutions_p): Use operand_equal_p.
4569 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4570 the types of the operands.
4571 (chrec_type): ...here.
4572 * tree-data-ref.c (create_data_ref): Convert the operands before
4573 calling chrec_replace_initial_condition.
4574 (same_access_functions, analyze_subscript_affine_affine,
4575 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4576 (compute_subscript_distance, analyze_ziv_subscript,
4577 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4578 analyze_miv_subscript): Convert the operands before calling
4579 chrec_fold_minus or chrec_fold_plus.
4581 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4583 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4584 the dependence_relations vector.
4585 (compute_data_dependences_for_loop): Adjust call to
4586 compute_all_dependences.
4588 2006-04-01 Roger Sayle <roger@eyesopen.com>
4589 Richard Henderson <rth@redhat.com>
4591 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4592 gimple_boolify on the condition before calling gimplify_expr.
4594 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4596 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4597 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4598 the frame size. Update to use the new macros.
4599 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4600 * config/xtensa/ieee754-df.S: Likewise.
4602 2006-03-31 Richard Henderson <rth@redhat.com>
4604 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4605 (make_edges): ... here. Control fallthru creation with a local
4606 variable. Do not play with fake edges.
4607 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4608 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4611 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4613 * dwarf2.h (DW64_CIE_ID): Define.
4614 * dwarf2out.c (DWARF_CIE_ID): Define.
4615 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4616 length header. Use DWARF_CIE_ID.
4617 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4618 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4620 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4622 * config/sh/linux-atomic.asm: New file.
4623 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4625 2006-03-31 DJ Delorie <dj@redhat.com>
4627 * config/m32c/cond.md: Set condition flags properly throughout.
4628 * config/m32c/minmax.md: Likewise.
4629 * config/m32c/prologue.md: Likewise.
4630 * config/m32c/bitops.md: Likewise.
4631 * config/m32c/muldiv.md: Likewise.
4632 * config/m32c/mov.md: Likewise.
4633 * config/m32c/addsub.md: Likewise.
4634 * config/m32c/m32c.md: Likewise.
4635 * config/m32c/jump.md: Likewise.
4636 * config/m32c/shift.md: Likewise.
4638 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4639 conditionally output the pattern for this.
4640 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4641 (m32c_compare_redundant): New.
4642 (m32c_output_compare): New.
4643 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4645 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4646 dest, not src. Allow other 4-byte modes.
4648 2006-03-30 Denis Chertykov <denisc@overta.ru>
4650 * doc/md.texi: Refer to avr/constraints.md instead of
4653 2006-03-30 Roger Sayle <roger@eyesopen.com>
4655 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4656 signed vs. unsigned comparison failures on some hosts.
4658 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4661 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4662 change to FLOAT_REGS.
4664 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4665 (rs6000_override_options): Use it.
4666 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4667 only for -mabi=spe/no-spe and -mabi=altivec.
4669 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4671 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4674 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4676 * Makefile.in: Rename docdir to gcc_docdir.
4678 2006-03-30 Roger Sayle <roger@eyesopen.com>
4681 * expr.c (emit_group_store): Optimize group stores into a pseudo
4682 register by using a paradoxical subreg to initialize the destination
4683 if the first or last member of the group specifies a "low part".
4685 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4688 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4689 * target.h (struct gcc_target.speculate_insn): Change type of the
4690 second parameter to 'int'.
4691 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4692 the second operand of the DEPS_LIST.
4693 (copy_DEPS_LIST_list): Update reference to the second operand of the
4695 * rtl.h (alloc_DEPS_LIST): Update signature.
4696 * sched-int.h (ds_t): Change typedef to 'int'.
4697 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4699 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4701 * haifa-sched.c (try_ready): Change condition to restore
4702 non-speculative pattern of the instruction.
4703 (process_insn_depend_be_in_spec): Code to keep probability of the
4704 speculative dependence non-decreasing.
4706 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4708 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4709 (single_move_for_movmem): ... this. Also change all uses.
4710 (bfin_expand_strmov): Renamed to...
4711 (bfin_expand_movmem): ... this. Also change all uses.
4712 * config/bfin/bfin.md (movstrsi): Renamed to...
4713 (movstrsi): ...this.
4715 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4717 PR tree-optimization/26830
4719 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4720 (copy_prop_visit_stmt): Remove write-only variable ann.
4721 (init_copy_prop): Check variable loop depth here. Do not simulate
4722 memory-tag and virtual operand PHIs except for store copy prop.
4724 2006-03-30 Richard Guenther <rguenther@suse.de>
4726 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4727 variants with double arguments.
4729 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4731 * genpreds.c (write_tm_constrs_h): Delete variable p.
4732 * genconditions.c (write_header): Add tm-constrs.h to included
4734 * genpeep.c (main): Add toplev.h to included headers.
4735 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4736 (build/genpeep.o): Add toplev.h dependency.
4737 * config/rs6000/constraints.md: Add "W" constraint.
4739 2006-03-29 Roger Sayle <roger@eyesopen.com>
4741 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4742 sizes by correctly testing whether the size fits a host integer.
4743 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4744 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4745 SImode range for the default sizetype and bitsizetype.
4747 2006-03-29 Roger Sayle <roger@eyesopen.com>
4749 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4750 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4751 quickly if the argument is already of the correct type.
4752 Call fold_build1 instead of build1. Tidy up blank lines.
4754 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4756 * genemit.c (main): Add tm-constrs.h to included headers.
4757 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4758 * genpeep.c (main): Add tm-constrs.h to included headers.
4759 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4760 (write_tm_constrs_h): this and write complete file.
4761 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4762 (write_insn_preds_c): Add tm-constrs.h to included headers.
4763 (gen_constrs): New variable.
4764 (parse_option): Parse "-c".
4765 (main): Invoke write_tm_constrs_h.
4766 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4767 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4768 (object_out_file): Add tm-constrs.h dependency.
4769 (insn-emit.o): Same.
4770 (insn-output.o): Same.
4771 (insn-peep.o): Same.
4772 (insn-preds.o): Same.
4773 (insn-recog.o): Same.
4774 (tm-constsr.h): New target.
4775 (s-constrs-h): New target.
4777 * config/rs6000/constraints.md: New file.
4778 * config/rs6000/rs6000.c: Include tm-constrs.h.
4779 (num_insn_constant_wide): Convert to satisfies_constraint.
4780 (rs6000_rtx_costs): Convert to satisfies_constraint.
4781 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4782 (CONST_OK_FOR_LETTER_P): Delete.
4783 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4784 (EXTRA_CONSTRAINT): Delete.
4785 (EXTRA_MEMORY_CONSTRAINT): Delete.
4786 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4787 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4788 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4789 satisfies_constraint.
4791 * config/i386/i386.c: Include tm-constrs.h.
4793 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4795 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4796 * tree-data-ref.c (find_data_references_in_loop,
4797 compute_data_dependences_for_loop): Use pointers to VEC.
4798 (analyze_all_data_dependences): Adjust calls.
4799 * tree-data-ref.h (find_data_references_in_loop,
4800 compute_data_dependences_for_loop): Adjust declarations.
4801 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4802 compute_data_dependences_for_loop.
4804 2006-03-29 Paul Brook <paul@codesourcery.com>
4806 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4809 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4811 PR tree-optimization/26859
4812 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4814 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4815 for the step after fold_convert.
4817 2006-03-29 Paul Brook <paul@codesourcery.com>
4819 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4820 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4822 2006-03-29 Paul Brook <paul@codesourcery.com>
4825 * targhooks.c (default_narrow_bitfield): New fuction.
4826 * targhooks.h (default_narrow_bitfield): add prototype.
4827 * target.h (gcc_target): Add narrow_volatile_bitfield.
4828 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4829 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4830 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4831 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4833 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4835 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4837 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4838 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4839 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4840 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4841 (s390_function_arg_float): Allow SDmode and DDmode values to be
4842 passed in floating point registers.
4843 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4844 check with SCALAR_FLOAT_MODE_P.
4845 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4847 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4849 PR tree-optimization/25985
4850 * tree-ssa-loop-niter.c (number_of_iterations_le,
4851 number_of_iterations_ne): Make comments more precise.
4852 (number_of_iterations_cond): Add only_exit argument. Use the
4853 fact that signed variables do not overflow only when only_exit
4855 (loop_only_exit_p): New.
4856 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4857 number_of_iterations_cond.
4859 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4861 PR tree-optimization/26643
4862 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4865 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4867 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4868 (divsi3_i4_int): Likewise.
4870 2006-03-28 Roger Sayle <roger@eyesopen.com>
4872 * expr.c (emit_group_store): Only create a new pseudo reg if the
4873 quantity it needs to hold isn't already a suitable pseudo.
4875 2006-03-28 Jeff Law <law@redhat.com>
4877 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4878 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4880 2006-03-28 Roger Sayle <roger@eyesopen.com>
4882 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4883 the equivalent ~X & Y, and the symmetry related transformations.
4884 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4885 ~X & Y, and symmetry related transforms.
4887 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4889 Revert my 2006-03-27 patches.
4891 2006-03-28 Roger Sayle <roger@eyesopen.com>
4893 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4894 ~(T1)X, when T1 and T2 are integer types of the same precision
4895 and (T2)X isn't an extension.
4897 2006-03-28 Jeff Law <law@redhat.com>
4899 PR tree-optimization/26796
4900 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4901 need EH edge cleanups rather than purging them immediately.
4902 (eliminate_degenerate_phis): Handle queued EH cleanups.
4904 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4906 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4909 2006-03-27 Roger Sayle <roger@eyesopen.com>
4912 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4913 cast BIT_NOT_EXPR operand to the correct type.
4915 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4917 * tree-loop-linear.c: Don't include varray.h.
4918 (gather_interchange_stats, try_interchange_loops,
4919 linear_transform_loops): Use VEC instead of VARRAY.
4920 * lambda-mat.c: Don't include varray.h.
4921 * tree-chrec.c: Same.
4922 * lambda-trans.c: Same.
4923 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4924 VEC instead of VARRAY.
4925 * tree-vectorizer.h: Idem.
4926 * tree-data-ref.c (dump_data_references,
4927 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4928 initialize_data_dependence_relation, finalize_ddr_dependent,
4929 compute_all_dependences, find_data_references_in_loop,
4930 compute_data_dependences_for_loop, analyze_all_data_dependences,
4931 free_dependence_relation, free_dependence_relations,
4932 free_data_refs): Idem.
4933 * tree-data-ref.h (data_reference_p, subscript_p): New.
4934 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4935 VEC instead of VARRAY.
4936 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4937 (find_data_references_in_loop, compute_data_dependences_for_loop,
4938 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4939 dump_data_dependence_relations, free_dependence_relations,
4940 free_data_refs): Adjust declaration.
4941 (lambda_transform_legal_p): Move declaration here...
4942 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4943 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4944 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4945 vect_analyze_data_refs): Use VEC instead of VARRAY.
4946 * lambda.h (lambda_transform_legal_p): ...from here.
4947 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4948 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4949 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4950 tree-chrec.o): Don't depend on VARRAY_H.
4952 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4954 * rtl.def (Copyright): Update date.
4955 (DEPS_LIST): Change type of the second operand to 'int'.
4956 * target.h (Copyright): Update date.
4957 (struct gcc_target.speculate_insn): Change type of the second parameter
4959 * lists.c (Copyright): Update date.
4960 (alloc_DEPS_LIST): Change signature. Update reference to the second
4961 operand of the DEPS_LIST.
4962 (copy_DEPS_LIST_list): Update reference to the second operand of the
4964 * rtl.h (Copyright): Update date.
4965 (alloc_DEPS_LIST): Update signature.
4966 * sched-int.h (Copyright): Update date.
4967 (ds_t): Change typedef to 'int'.
4968 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4970 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4972 * haifa-sched.c (Copyright): Update date.
4973 (try_ready): Change condition to restore non-speculative pattern
4975 (process_insn_depend_be_in_spec): Code to keep probability of the
4976 speculative dependence non-decreasing.
4978 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4980 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4981 shut up the compiler.
4983 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4985 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4986 to use lib prefix for target.
4987 ($(T)libic_invalidate_array_4-200.a): Likewise.
4988 ($(T)libic_invalidate_array_4a.a): Likewise.
4990 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4991 J"orn Rennecke <joern.rennecke@st.com>
4993 * superh.opt: New file.
4994 * sh.c (boardtype, osruntime): Remove.
4995 * superh.h (SUBTARGET_OPTIONS): Remove.
4996 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4998 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4999 arguments with ^ and/or [].
5001 * config.gcc (sh-*-*): Add quoting to account for quirk of
5003 Replace == with = in enable_incomplete_targets test.
5005 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5006 with MASK_LITTLE_ENDIAN.
5008 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5009 * config/sh/sh.opt: Added to some comments.
5010 * config/sh/superh.h: Removed some chaff.
5012 * config/sh/sh.opt: Add m4-[1234]00* options.
5013 * config/sh/sh.c (sh_handle_option): Likewise.
5014 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5015 (ic_invalidate_array_4-100.o): New rule.
5016 ($(T)libic_invalidate_array_4-100.a): Likewise.
5017 (ic_invalidate_array_4-200.o): Likewise.
5018 ($(T)libic_invalidate_array_4-200.a): Likewise.
5019 (ic_invalidate_array_4a.o): Likewise.
5020 ($(T)libic_invalidate_array_4a.a): Likewise.
5021 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5022 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5024 * config/sh/crt1.asm: Merged in profiling code.
5025 * config/sh/superh.h (STARTFILE_SPEC): Override.
5026 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5027 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5028 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5030 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5031 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5032 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5034 * sh.opt (mpretend-cmove): New option.
5035 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5036 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5037 (movsicc): Add TARGET_PRETEND_CMOVE code.
5039 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5041 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5042 s390_class_max_nregs): New function prototypes.
5043 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5044 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5045 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5046 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5048 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5050 * dwarf2out.c (add_location_or_const_value_attribute): Call
5051 tree_add_const_value_attribute if nothing else works.
5052 (reference_to_unused): New.
5053 (rtl_for_decl_init): Use reference_to_unused to decide whether
5054 to output an initializer.
5056 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5059 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5060 peephole removing spe frob_di_df_2.
5062 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5064 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5065 (subscript_dependence_tester_1): Declared.
5066 (print_dir_vectors, print_dist_vectors): New.
5067 (debug_data_dependence_relation): New.
5068 (dump_data_dependence_relation): Print more details.
5069 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5070 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5071 (save_dist_v, save_dir_v, add_outer_distances,
5072 build_classic_dist_vector_1): New.
5073 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5074 Don't test for lambda_vector_lexico_pos.
5075 (same_access_functions, add_multivariate_self_dist,
5076 add_other_self_distances, dir_from_dist): New.
5077 (build_classic_dir_vector): Replace implementation almost identical to
5078 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5080 (subscript_dependence_tester_1): New.
5081 (subscript_dependence_tester): Handle the lexicographically negative
5082 distance vectors by recomputing the dependence relation.
5083 (compute_affine_dependence): Remove parameter loop_nest_depth.
5084 (compute_self_dependence): Don't call compute_subscript_distance.
5085 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5086 Add a parameter for the loop_nest.
5087 (find_loop_nest_1, find_loop_nest): New.
5088 (compute_data_dependences_for_loop): Compute the loop nest, and give
5089 up if the nest is not well formed.
5090 * tree-data-ref.h (loop_p): New.
5091 (struct data_dependence_relation): Replace size_vect field with
5092 loop_nest, a vec of loops.
5093 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5094 (DDR_LOOP_NEST): New.
5095 (print_dir_vectors, print_dist_vectors,
5096 debug_data_dependence_relation): Declared.
5097 (index_in_loop_nest): New.
5098 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5099 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5102 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5104 * simplify-rtx.c (simplify_relational_operation): Call
5105 simplify_relational_operation_1 even if mode is VOIDmode.
5107 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5109 PR tree-optimization/26804
5110 * tree.h (DECL_CALL_CLOBBERED): New macro.
5111 (tree_decl_common): Add call_clobbered_flag.
5112 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5113 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5114 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5115 (mark_non_addressable): Ditto.
5116 * tree-ssa.c (verify_call_clobbered): New function.
5117 (verify_alias_info): Use it.
5118 * tree-pass.h (pass_reset_cc_flags): New prototype.
5119 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5120 (reset_cc_flags): New function.
5121 * passes.c (init_optimization_passes): Call reset_cc_flags after
5122 initializing referenced_vars.
5124 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5125 Roger Sayle <roger@eyesopen.com>
5128 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5129 to 1.0 for non-real operands. Implement A / A optimization for
5132 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5134 * config/i386/i386.c (size_cost): Correct the comment for
5135 cost of storing fp registers.
5136 (i386_cost): Likewise.
5137 (i486_cost): Likewise.
5138 (pentium_cost): Likewise.
5139 (pentiumpro_cost): Likewise.
5140 (k6_cost): Likewise.
5141 (athlon_cost): Likewise.
5142 (k8_cost): Likewise.
5143 (pentium4_cost): Likewise.
5144 (nocona_cost): Likewise.
5145 (generic64_cost): Likewise.
5146 (generic32_cost): Likewise.
5148 2006-03-24 Denis Chertykov <denisc@overta.ru>
5150 * config/avr/avr-protos.h (extra_constraint): Delete.
5151 (extra_constraint_Q): New declaration.
5152 * config/avr/constraints.md: New file.
5153 * config/avr/avr.md: Include it.
5154 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5155 (TMP_REGNO, ZERO_REGNO): Likewise.
5156 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5157 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5158 (extra_constraint): Delete.
5159 (extra_constraint_Q): Test for memory constraint 'Q'.
5160 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5161 (REG_CLASS_FROM_LETTER): Delete.
5162 (CONST_OK_FOR_LETTER_P): Delete.
5163 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5164 (EXTRA_CONSTRAINT): Delete.
5165 (TMP_REGNO): Delete.
5166 (ZERO_REGNO): Delete.
5168 2006-03-24 Jeff Law <law@redhat.com>
5170 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5171 directly. Call mark_new_vars_to_rename slightly earlier.
5173 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5175 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5177 (gen_compile_unit_die): Use new language types for Objective-C and
5179 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5180 DW_LANG_C_plus_plus.
5183 * config/t-darwin (crt3.o): Work around bug 26840.
5184 * config/darwin-crt3.c: Rewrite.
5185 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5187 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5189 * doc/invoke.texi: Document -femit-class-debug-always
5190 * common.opt: Add -femit-class-debug-always.
5192 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5194 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5195 index and base register.
5196 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5197 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5198 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5199 REGNO_OK_FOR_INDEX_P.
5200 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5202 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5203 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5204 REG_OK_FOR_BASE_P): Definitions removed.
5206 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5209 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5210 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5211 set yet or weren't marked as local yet.
5213 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5215 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5218 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5220 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5221 (rs6000_legitimate_small_data_p): Delete.
5222 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5223 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5224 and make static. Add forward declaration. Update uses.
5225 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5226 of offsettable_memref_p.
5227 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5228 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5230 2006-03-24 Jeff Law <law@redhat.com>
5232 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5233 around bug in immediate-use iterator.
5235 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5238 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5239 or __LITTLE_ENDIAN__.
5241 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5243 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5244 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5245 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5246 * config/sh/sh.opt (mdiv=): Amend description.
5247 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5248 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5249 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5250 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5251 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5252 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5253 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5254 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5255 TARGET_DIVIDE_CALL_FP.
5257 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5259 * haifa-sched.c (choose_ready): Fix type of the local variable.
5260 Move local variables. Add comment.
5261 (check_reg_live): Change signature. Make callable from debugger.
5262 * sched-int.h (check_reg_live): Update signature.
5263 * sched-ebb.c (check_reg_live): Update parameters.
5264 * sched-rgn.c (check_reg_live): Ditto.
5265 (region_head_or_leaf_p): Check pointer before dereferencing.
5266 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5267 before reload on optimization levels below 1.
5269 2006-03-23 Richard Henderson <rth@redhat.com>
5271 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5275 * config/alpha/predicates.md (local_symbolic_operand): Reject
5278 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5281 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5282 expressions which have overflowed constants.
5284 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5286 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5288 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5290 * cfgloopmanip.c (create_loop_notes): Removed.
5291 * final.c (final_scan_insn): Do not handle loop notes.
5292 * jump.c (squeeze_notes): Ditto.
5293 * cfglayout.c (skip_insns_after_block,
5294 duplicate_insn_chain): Ditto.
5295 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5297 * cfgloop.h (create_loop_notes): Declaration removed.
5299 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5301 * varasm.c (output_constant_pool): Restore fnname and fndecl
5303 (assemble_start_function): Adjust call accordingly.
5304 (assemble_end_function): Likewise.
5306 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5309 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5312 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5314 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5317 * system.h (ICE_EXIT_CODE): New macro.
5318 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5319 (diagnostic_action_after_output): Likewise.
5320 * gcc.c (fatal_ice): New function.
5321 (execute): Use it instead of fatal.
5322 (fancy_abort): Likewise.
5323 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5325 2006-03-22 Jeff Law <law@redhat.com>
5327 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5328 iv_analyze_result returning false.
5330 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5332 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5334 2006-03-22 Richard Henderson <rth@redhat.com>
5337 * except.c (duplicate_eh_regions_0): New.
5338 (duplicate_eh_region_1): Duplicate the children of the node as
5339 well as the node itself. Link them up properly.
5340 (duplicate_eh_region_2): Merge into ...
5341 (duplicate_eh_regions): ... here. Take copy_region argument, and
5342 copy only a sub-tree if asked. Simplify copying and fixup.
5343 (eh_region_outer_p): New.
5344 * except.h (duplicate_eh_regions): Update decl.
5345 (eh_region_outer_p): Declare.
5346 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5347 (lower_omp_master): Likewise.
5348 (lower_omp_ordered): Likewise.
5349 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5350 (move_stmt_r): Use it to remap labels. Handle recursion vs
5351 remap_decls_p properly.
5352 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5353 (find_outermost_region_in_block): New.
5354 (new_label_mapper): New.
5355 (move_sese_region_to_fn): Copy eh information to the new function
5357 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5359 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5362 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5364 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5365 into shared libraries.
5367 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5369 * doc/md.texi: Refer to i386/constraints.md instead of
5371 * config/i386/constraints.md: New file, extracted from...
5372 * config/i386/predicates.md: ...here.
5373 * config/i386/i386.md: Include constraints.md.
5375 2006-03-21 Jason Merrill <jason@redhat.com>
5377 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5380 * expr.c (init_block_move_fn): Force default visibility.
5381 (init_block_clear_fn): Likewise.
5382 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5383 * targhooks.c (default_external_stack_protect_fail): Likewise.
5385 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5387 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5388 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5389 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5390 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5391 (loadgp): Use mips_current_loadgp_style.
5392 (loadgp_noshared): New pattern.
5393 (sibcall_internal): Use MIPS_CALL.
5394 (sibcall_value_internal): Likewise.
5395 (sibcall_value_multiple_internal): Likewise.
5396 (call_internal): Likewise.
5397 (call_value_internal): Likewise.
5398 (call_value_multiple_internal): Likewise.
5399 (call_split): Use MIPS_CALL and add an 'S' constraint.
5400 (call_value_split): Likewise.
5401 (call_value_multiple_split): Likewise.
5402 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5403 (-mshared): New option.
5404 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5405 (mips_current_loadgp_style): Declare.
5406 * config/mips/mips.c (mips_classify_symbol): Avoid using
5407 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5408 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5409 TARGET_ABSOLUTE_ABICALLS.
5410 (override_options): Adjust comments. Improve the warning that is
5411 issued when -mabicalls and -G are used together.
5412 (mips_file_start): Remove comment.
5413 (mips_current_loadgp_style): New function.
5414 (mips_gnu_local_gp): New variable.
5415 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5417 (mips_output_function_prologue): Use mips_current_laodgp_style.
5418 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5419 the cprestore instruction.
5420 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5421 live for TARGET_ABSOLUTE_ABICALLS.
5422 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5423 (ASM_SPEC): Pass down -mshared and -mno-shared.
5424 (MIPS_CALL): New macro.
5425 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5427 * doc/invoke.texi (-mabicalls): Update documentation.
5428 (-mshared): Document.
5430 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5432 * config/ia64/unwind-hpux.c: New file.
5433 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5435 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5438 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5440 2006-03-21 Jeff Law <law@redhat.com>
5442 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5443 type conversions of a VR_VARYING source to a wider type.
5445 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5447 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5448 tm_file on Solaris 10 and later.
5449 (sparc64-*-solaris2*): Likewise.
5450 (sparc-*-solaris2*): Likewise.
5451 * config/sol26.h: Rename to config/sol2-6.h.
5452 * config/sol2-10.h: New file.
5454 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5457 * tree-ssa-pre.c (create_component_ref_by_pieces):
5460 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5463 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5464 return it immediately.
5466 2006-03-21 Michael Matz <matz@suse.de>
5468 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5470 (remove_arc, add_arc): Update num_out_arcs member.
5471 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5473 (cache_presence): New function.
5474 (compare_states_for_equiv): New function.
5475 (state_is_differed): Don't take number of outargs, adjust callers.
5476 Use new invariant for speeding up.
5477 (init_equiv_class): Create initial classes based on sorted
5479 (partition_equiv_class): Don't track out_arcs_num.
5480 (evaluate_equiv_classes): Call cache_presence on all states and
5483 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5485 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5486 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5487 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5488 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5490 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5491 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5492 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5493 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5494 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5496 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5497 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5498 (REGNO_REG_CLASS): ARGP is in PREGS.
5499 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5501 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5502 to deal with those addresses.
5503 * addresses.h: New file.
5504 * caller-save.c: Include "addresses.h".
5505 (init_caller_save): Use new base_reg_class function.
5506 * rtl-factoring.c: Include "addresses.h".
5507 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5508 * recog.c: Include "addresses.h".
5509 (preprocess_constraints): Use new base_reg_class function.
5510 * regrename.c: Include "addresses.h".
5511 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5512 functions. Keep track of a new var INDEX_CODE to compute valid
5514 (replace_oldest_value_addr): Likewise.
5515 (replace_oldest_value_mem): Use base_reg_class.
5516 * reload.c: Include "addresses.h".
5517 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5518 (find_reloads): Use new base_reg_class function.
5519 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5520 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5521 all callers and prototype changed.
5522 * reload1.c: Include "addresses.h".
5523 (maybe_fix_stack_asms): Use base_reg_class.
5524 * regclass.c: Include "addresses.h".
5525 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5526 (init_reg_autoinc): Use new base_reg_class function.
5527 (record_reg_classes): Likewise.
5528 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5529 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5530 Use new args to compute necessary class.
5532 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5533 regrename.o, rtl-factoring.o): Update dependencies.
5534 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5535 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5536 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5537 REG_OK_FOR_INDEX_P): Delete documentation.
5539 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5541 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5542 from V7 to V9 for Solaris 7 and above.
5544 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5546 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5547 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5548 argument pointers may not alias any other storage.
5549 * common.opt: Define option -fargument-noalias-anything.
5550 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5551 alias semantics is specified by flag_argument_noalias > 2.
5553 2006-03-20 Jeff Law <law@redhat.com>
5555 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5556 (pass_phi_only_cprop): Declare.
5557 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5559 * tree-ssa-dom.c (degenerate_phi_result): New function.
5560 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5561 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5562 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5563 (eliminate_degenerate_phis): Likewise.
5564 (pass_phi_only_cprop): New pass descriptor.
5565 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5566 support code. Callers updated.
5567 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5568 (store_copy_prop): Likewise.
5569 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5571 2006-03-20 Jason Merrill <jason@redhat.com>
5574 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5575 (push_visibility, pop_visibility): Likewise.
5576 * c-pragma.h: Declare them.
5578 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5580 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5582 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5583 parameter and use get_ebb_head_tail.
5584 (sh_md_init_global): Adjust uses of find_regmode_weight.
5586 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5588 * function.h (struct function) <x_tail_recursion_reentry>:
5589 Rename to x_stack_check_probe_note.
5590 (tail_recursion_reentry): Rename to stack_check_probe_note.
5591 * function.c: Replace tail_recursion_reentry with
5592 stack_check_probe_note everywhere.
5593 (expand_function_start): Only emit a note for
5594 stack_check_probe_note with -fstack-protect.
5595 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5597 * emit-rtl.c (remove_unnecessary_notes): Remove.
5598 (pass_remove_unnecessary_notes): Remove.
5599 * rtl.h (remove_unnecessary_notes): Remove prototype.
5600 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5601 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5602 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5604 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5607 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5608 (valid_in_set): Handle ARRAY_REF.
5609 Change "if min_variant or VH" to asserts.
5610 (create_component_ref_by_pieces): Handle ARRAY_REF.
5611 (create_expression_by_pieces): Likewise.
5612 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5614 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5616 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5617 is operand of switch, not str[0].
5619 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5621 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5622 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5624 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5626 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5627 end of insn_extra_address_constraint declaration.
5629 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5631 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5632 (no-sum-in-toc): Same.
5633 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5635 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5636 NO_FP_IN_TOC for -fPIC instead of mask.
5638 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5639 (BOOT_LDFLAGS): Delete.
5641 * config/rs6000/t-aix52: Same.
5643 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5644 (stmsi[345678]_power): New.
5646 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5648 * config/ia64/ia64.opt: Add empty line to end of file.
5650 2006-03-17 Richard Guenther <rguenther@suse.de>
5653 * builtins.c (get_pointer_alignment): For component style references
5654 adjust alignment to the component type alignment. Make sure
5655 to adjust alignment for component access of constants.
5657 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5659 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5662 2006-03-17 Paul Brook <paul@codesourcery.com>
5664 * doc/install.texi: Docuemnt --with-mode.
5665 * config.gcc: Add --with-mode for arm*-*-*.
5666 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5668 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5670 * sh.c (max_labelno_before_reorg): New variable.
5671 (sh_reorg): Initialize it.
5672 (find_barrier): Check max_labelno_before_reorg before using
5673 label_to_alignment. Take length of explicit alignment insns
5674 into account. When seeing a UNSPECV_CONST_END, return it.
5676 * sh.c (fixup_mova): Set mode of affected label to QImode.
5677 (untangle_mova): New function.
5678 (find_barrier): Use it. Check mode of label before decrementing
5680 (sh_reorg): Likewise.
5681 Set mode of all insns back to VOIDmode.
5683 * sh.c (MOVA_LABELREF): New macro.
5684 (mova_p, fixup_mova, sh_reorg): Use it.
5685 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5686 ADDR_DIFF_VEC matches mova.
5688 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5690 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5691 with ATTRIBUTE_UNUSED.
5693 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5695 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5696 pointer, instead of assuming it is possible to derive the
5697 correct args size from a call insn.
5699 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5701 * rtl.h (CONST_INT_P): Define.
5702 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5703 instead of GET_CODE(x) == CONST_INT.
5704 (vax_rtx_costs): Likewise.
5705 (vax_output_int_move): Likewise.
5706 (vax_output_int_add): Likewise.
5707 (legitimate_constant_address_p): Likewise.
5708 (index_term_p): Likewise.
5709 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5710 * config/vax/vax.md (and<mode>3): Likewise.
5711 (ashrsi3): Likewise.
5713 (movstricthi): Likewise.
5714 (movstrictqi): Likewise.
5715 (rotrsi3): Likewise.
5716 (five unnamed insns): Likewise.
5718 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5720 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5721 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5722 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5723 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5724 Pass to ASM_OUTPUT_DWARF_OFFSET.
5725 * dwarf2out.c (debug_frame_section): New.
5726 (output_call_frame_info): Use debug_frame_section. Pass it to
5727 dw2_asm_output_offset.
5728 (output_die): Pass appropriate section to dw2_asm_output_offset.
5729 (output_compilation_unit_header): Likewise.
5730 (output_pubnames): Likewise.
5731 (output_aranges): Likewise.
5732 (enum dw_val_class): Break dw_val_class_lbl_offset into
5733 dw_val_class_lineptr and dw_val_class_macptr.
5734 (add_AT_lbl_offset): Delete.
5735 (add_AT_lineptr): New.
5736 (add_AT_macptr): New.
5737 (AT_lbl): Expect a lineptr or macptr.
5738 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5739 (attr_checksum): Likewise.
5740 (same_dw_val_p): Likewise.
5741 (size_of_die): Likewise.
5742 (value_format): Likewise.
5743 (output_die): Likewise.
5744 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5746 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5747 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5748 * config/darwin-protos.h (darwin_file_start): New.
5749 (darwin_asm_output_dwarf_offset): New.
5750 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5751 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5753 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5754 if not EH section; simplify.
5755 (darwin_file_start): New.
5756 (darwin_asm_output_dwarf_offset): New.
5757 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5759 (DEBUG_INFO_SECTION): Likewise.
5760 (DEBUG_ABBREV_SECTION): Likewise.
5761 (DEBUG_ARANGES_SECTION): Likewise.
5762 (DEBUG_MACINFO_SECTION): Likewise.
5763 (DEBUG_LINE_SECTION): Likewise.
5764 (DEBUG_LOC_SECTION): Likewise.
5765 (DEBUG_PUBNAMES_SECTION): Likewise.
5766 (DEBUG_STR_SECTION): Likewise.
5767 (DEBUG_RANGES_SECTION): Likewise.
5768 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5769 (ASM_OUTPUT_DWARF_OFFSET): New.
5771 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5773 * config.gcc (tm_defines): Always add to previous value rather
5776 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5778 * config/mips/predicates.md (splittable_const_int_operand): New,
5779 split from move_operand.
5780 (splittable_symbolic_operand): New.
5781 (move_operand): Add commentary. Use splittable_const_int_operand.
5782 Inline mips_atomic_symbolic_constant_p.
5783 * config/mips/mips.md: Add combine splitters for handling moves
5784 of splittable_const_int_operands and splittable_symbolic_operands.
5785 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5786 (mips_split_symbol): Declare.
5787 (mips_move_integer): Declare.
5788 * config/mips/mips.c (mips_split_p): Make global.
5789 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5790 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5791 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5792 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5793 (mips_offset_within_object_p): Handle block symbols.
5794 (mips_atomic_symbolic_constant_p): Delete.
5795 (mips_cannot_force_const_mem): Return false for constants that
5796 mips_legitimize_move can handle.
5797 (mips_use_blocks_for_constant_p): New function.
5798 (mips_split_symbol): Make global.
5799 (mips_move_integer): Likewise. Add a temporary register argument.
5800 (mips_legitimize_const_move): Use splittable_const_int_operand and
5801 splittable_symbolic_operand.
5802 (mips_use_anchors_for_symbol_p): New function.
5803 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5804 (mips_split_p): Declare.
5806 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5808 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5809 (mips*-*-linux*): Likewise.
5811 2006-03-16 Roger Sayle <roger@eyesopen.com>
5812 Daniel Speyer <dspeyer@wam.umd.edu>
5815 * tree-dump.c (dump_real): New function.
5816 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5817 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5818 (tree-dump.o): Add $(REAL_H) to the dependencies.
5820 2006-03-16 Roger Sayle <roger@eyesopen.com>
5823 * real.c (real_from_string): If the mantissa is zero, don't bother
5824 parsing the exponent as the result should always be zero.
5826 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5828 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5830 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5832 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5833 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5834 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5835 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5836 ia64_sched_finish_global): New static functions to implement
5837 hooks from gcc_target.sched.
5838 (spec_check_no, max_uid, pending_data_specs): New static variables.
5839 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5840 ia64_spec_check_src_p): New static functions.
5841 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5842 (TARGET_SCHED_ADJUST_COST): Removed.
5843 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5844 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5845 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5846 TARGET_SCHED_GEN_CHECK,
5847 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5848 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5849 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5850 Fixed to handle speculation checks.
5851 (rtx_needs_barrier): Fixed to handle speculative loads and
5853 (ia64_variable_issue): Added code to count speculative loads and their
5855 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5857 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5859 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5861 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5862 (ia64_reorg): Reset stops_p to NULL after it is freed.
5863 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5864 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5865 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5867 (data_speculative, control_speculative, check_load): New attributes.
5868 (mov<mode>_advanced, mov<mode>_speculative,
5869 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5870 zero_extend<mode>di2_speculative,
5871 zero_extend<mode>di2_speculative_advanced): New patterns for
5872 data and control speculative loads.
5873 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5875 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5876 New pattern for data and control speculation checks.
5877 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5878 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5879 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5880 Auxiliary definitions for the patterns.
5881 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5882 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5884 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5886 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5887 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5888 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5889 New resource constraints.
5890 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5892 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5893 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5894 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5895 msched-in-control-spec, msched-ldc, msched-control-ldc,
5896 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5897 msched-prefer-non-control-spec-insns,
5898 msched-count-spec-in-critical-path): New flags to tune speculative
5900 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5901 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5902 msched-in-control-spec, msched-ldc, msched-control-ldc,
5903 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5904 msched-prefer-non-control-spec-insns,
5905 msched-count-spec-in-critical-path): Document new flags.
5907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5909 * target.h (struct spec_info_def): New opaque declaration.
5910 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5911 speculate_insn, needs_block_p, gen_check,
5912 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5913 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5914 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5915 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5916 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5917 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5919 (TARGET_SCHED): Use new macros.
5920 * rtl.h (copy_DEPS_LIST_list): New prototype.
5921 * sched-int.h (struct sched_info): Change signature of new_ready field,
5922 adjust all initializations. New fields: add_remove_insn,
5923 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5924 region_head_or_leaf_p.
5925 (struct spec_info_def): New structure declaration.
5926 (spec_info_t): New typedef.
5927 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5928 recovery_block, orig_pat.
5929 (glat_start, glat_end): New variables declaraions.
5930 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5932 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5933 DETACH_LIFE_INFO, USE_GLAT.
5934 (enum SPEC_SCHED_FLAGS): New enumeration.
5935 (NOTE_NOTE_BB_P): New macro.
5936 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5937 attach_life_info, debug_spec_status, check_reg_live): New functions.
5938 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5939 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5941 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5942 * ddg.c (get_block_head_tail): Adjust all uses.
5943 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5944 (sms_sched_info): Initialize new fields.
5945 (contributes_to_priority): Removed.
5946 * haifa-sched.c (params.h): New include.
5947 (get_block_head_tail): Adjust all uses.
5948 (ISSUE_POINTS): New macro.
5949 (glat_start, glat_end): New global variables.
5950 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5951 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5952 old_last_basic_block, before_recovery, current_sched_info_var,
5953 rgn_n_insns, luid): New static variables.
5954 (insn_cost1): New function. Move logic from insn_cost to here.
5955 (find_insn_reg_weight1): New function. Move logic from
5956 find_insn_reg_weight to here.
5957 (reemit_notes, move_insn, max_issue): Change signature.
5958 (move_insn1): Removed.
5959 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5960 extend_bb): New static functions to support extension of scheduler's
5962 (generate_recovery_code, process_insn_depend_be_in_spec,
5963 begin_speculative_block, add_to_speculative_block,
5964 init_before_recovery, create_recovery_block, create_check_block_twin,
5965 fix_recovery_deps): New static functions to support
5966 generation of recovery code.
5967 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5968 restore_bb_notes, move_block_after_check, move_succs): New static
5969 functions to support ebb scheduling.
5970 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5971 functions to support handling of register live information.
5972 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5973 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5974 add_jump_dependencies): New static functions.
5975 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5976 consistancy checking.
5977 (debug_spec_status): New function to call from debugger.
5978 (priority): Added code to handle speculation checks.
5979 (rank_for_schedule): Added code to distinguish speculative instructions.
5980 (schedule_insn): Added code to handle speculation checks.
5981 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5982 Fixed to handle ebbs.
5983 (move_insn): Added code to handle ebb scheduling.
5984 (max_issue): Added code to use ISSUE_POINTS of instructions.
5985 (choose_ready): Added code to choose between speculative and
5986 non-speculative instructions.
5987 (schedule_block): Added code to handle ebb scheduling and scheduling of
5988 speculative instructions.
5989 (sched_init): Initialize new variables.
5990 (sched_finish): Free new variables. Print statistics.
5991 (try_ready): Added code to handle speculative instructions.
5992 * lists.c (copy_DEPS_LIST_list): New function.
5993 * sched-deps.c (extend_dependency_caches): New function. Move logic
5994 from create_dependency_caches to here.
5995 (get_dep_weak, ds_merge): Make global.
5996 * genattr.c (main): Code to output prototype for
5997 dfa_clear_single_insn_cache.
5998 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5999 (output_dfa_clean_insn_cache_func): Code to output
6000 dfa_clear_single_insn_cache function.
6001 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6003 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6005 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6006 New static variables.
6007 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6008 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6010 (ebb_sched_info): Initialize new fields.
6011 (get_block_head_tail): Adjust all uses.
6012 (compute_jump_reg_dependencies): Fixed to use glat_start.
6013 (schedule_ebb): Code to remove unreachable last block.
6014 (schedule_ebbs): Added code to update register live information.
6015 * sched-rgn.c (region_sched_info): Initialize new fields.
6016 (get_block_head_tail): Adjust all uses.
6017 (last_was_jump): Removed. Adjust users.
6018 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6019 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6020 Implement new hooks.
6021 (check_dead_notes1): New static function.
6022 (struct region): New fields: dont_calc_deps, has_real_ebb.
6023 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6024 (BB_TO_BLOCK): Fixed to handle EBBs.
6025 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6026 (ebb_head): New static variable.
6027 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6028 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6030 (compute_dom_prob_ps): New assertion.
6031 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6032 global_live_at_start.
6033 (init_ready_list): New assertions.
6034 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6035 (new_ready): Add support for BEGIN_CONTROL speculation.
6036 (schedule_insns): Fixed code that updates register live information
6038 (schedule_region): Fixed to handle EBBs.
6039 (init_regions): Use extend_regions and check_dead_notes1.
6040 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6041 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6042 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6043 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6044 TARGET_SCHED_GEN_CHECK,
6045 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6046 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6047 * doc/invoke.texi (max-sched-insn-conflict-delay,
6048 sched-spec-prob-cutoff): Document.
6050 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6052 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6053 inter_tick, queue_index.
6054 (struct sched_info): Change signature of init_ready_list field.
6055 Adjust all initializations.
6056 (RESOLVED_DEPS): New access macro.
6057 (ready_add): Remove prototype.
6058 (try_ready): Add prototype.
6059 * sched-rgn.c (init_ready_list): Use try_ready.
6060 (schedule_region): Initialize
6061 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6062 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6063 (init_ready_list): Use try_ready.
6064 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6065 * lists.c (remove_list_elem): Remove `static'.
6066 (remove_free_INSN_LIST_elem): New function.
6067 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6068 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6069 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6071 (readyp): New variable.
6072 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6073 change_queue_index, resolve_dep): New static functions.
6074 (try_ready): New function. Adjust callers in sched-rgn.c and
6075 sched-ebb.c to use it instead of ready_add.
6076 (clock_var): Move at the begining of file.
6077 (rank_for_schedule): Fix typo.
6078 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6079 (ready_lastpos): Enforce assertion.
6080 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6082 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6083 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6084 (queue_to_ready): Use free_INSN_LIST_list.
6085 (early_queue_to_ready): Fix typo.
6086 (schedule_block): Init readyp. Move init_ready_list call after the
6087 initialization of clock_var. Fix error in rejecting insn by
6088 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6089 that previously corrected INSN_TICKs. Add code for handling
6091 (set_priorities): Fix typo.
6092 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6093 Clarify comment and code that keeps current_sched_info->next_tail
6096 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6098 * sched-rgn.c (extend_rgns): New static function.
6099 (find_rgns): Use it.
6100 (gather_region_statistics, print_region_statistics): New static
6102 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6103 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6105 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6106 Andrey Belevantsev <abel@ispras.ru>
6108 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6109 * lists.c (unused_deps_list): New variable.
6110 (free_list): Add assertions to verify the proper distinguishing
6111 between INSN_LISTs and DEPS_LISTs.
6112 (find_list_elem, remove_list_elem, remove_list_node): New static
6114 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6115 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6116 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6117 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6119 (free_INSN_LIST_node): Likewise.
6120 * modulo-sched.c (current_sched_info): Initialize flags field.
6121 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6122 * rtl.def (DEPS_LIST): Define.
6123 * rtl.h: Declare new functions from lists.c.
6124 * sched-deps.c (spec_dependency_cache): New static variable.
6125 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6126 (add_dependence): Change return type to void. Move the logic to ...
6127 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6128 (delete_all_dependences): Add comment about forward_dependency_cache.
6129 Handle spec_dependency_cache. Handle DEPS_LISTs.
6130 (fixup_sched_groups): Clarify the change of priority of output
6131 and anti dependencies.
6132 (sched_analyze_2): Adjust add_dependence calls to create data
6133 speculative dependence.
6134 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6135 Adjust all callers. Handle DEPS_LISTS.
6136 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6137 presence of speculation.
6138 (init_dependency_caches, free_dependency_caches):
6139 Handle spec_dependency_cache.
6140 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6141 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6142 New static functions.
6143 (add_or_update_back_dep, add_or_update_back_forw_dep,
6144 add_back_forw_dep, delete_back_forw_dep): New functions.
6145 * sched-int.h (ds_t, dw_t): New typedefs.
6146 (struct sched_info): Add new field flags.
6147 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6148 Prototype new sched-deps.c functions.
6149 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6150 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6151 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6152 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6153 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6154 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6156 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6158 * sched-rgn.c (current_sched_info): Initialize flags field.
6159 (schedule_insns): Initialize current_sched_info before the sched_init
6161 * sched-ebb.c (current_sched_info): Initialize flags field.
6162 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6163 Call add_or_update_back_dep instead of add_dependence.
6164 Create control speculative dependencies.
6165 (schedule_insns): Initialize current_sched_info before the sched_init
6168 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6170 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6172 (sh_fallback_frame_state): Likewise.
6174 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6176 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6177 Do switch on default_use_cxa_atexit.
6178 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6179 * config/darwin-crt3.o: New.
6180 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6181 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6182 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6184 * config/rs6000/t-darwin: Move crt2.o building to here.
6185 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6186 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6189 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6191 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6192 from '! xxx' to '!xxx' for coding-style conformance.
6193 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6194 (EXTRA_CONSTRAINT): Likewise.
6195 * config/vax/vax.md (four unnamed insns): Likewise.
6197 2006-03-15 Paul Brook <paul@codesourcery.com>
6199 * config/arm/arm.c (minipool_pad): New.
6200 (add_minipool_forward_ref): Include pool alignment padding in address
6202 (push_minipool_fix): Set minipool_pad.
6203 (minipool_pad): Ditto.
6205 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6207 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6208 instead of GET_CODE() == MEM and REG_P() instead of
6210 (print_operand_address): Likewise.
6211 (vax_address_cost): Likewise.
6212 (vax_rtx_costs): Likewise.
6213 (vax_notice_update_cc): Likewise.
6214 (vax_output_int_add): Likewise.
6215 (INDEX_REGISTER_P): Likewise.
6216 (BASE_REGISTER_P): Likewise.
6217 (nonindexed_address_p): Likewise.
6218 (vax_mode_dependent_address_p): Likewise.
6219 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6220 (PRINT_OPERAND): Likewise.
6221 * config/vax/vax.md (ashlsi3): Likewise.
6222 (ashlsi3): Likewise.
6223 (some more unnamed insns): Likewise.
6225 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6227 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6228 iterator-style macro.
6229 (mark_control_dependent_edges_necessary): Update the use of
6230 EXECUTE_IF_CONTROL_DEPENDENT.
6232 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6234 * config/sh/predicates.md (cache_address_operand): Special.
6235 (ua_address_operand): Likewise.
6237 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6239 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6241 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6243 2006-03-15 Andreas Schwab <schwab@suse.de>
6245 * gensupport.c (identify_predicable_attribute): Don't free p_false
6246 when it is still in use.
6248 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6250 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6251 the default setting here.
6253 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6255 * tree-pass.h (pass_cfg): Remove.
6256 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6257 * passes.c (pass_cfg): Don't run it.
6259 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6261 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6262 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6264 (stack_regs_mentioned): Update the uses of
6265 stack_regs_mentioned_data. Don't access the array beyond its
6267 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6268 Don't include gt-reg-stack.h.
6270 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6271 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6273 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6276 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6279 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6281 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6283 2006-03-14 Richard Guenther <rguenther@suse.de>
6285 PR tree-optimization/26672
6286 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6289 2006-03-14 Richard Guenther <rguenther@suse.de>
6291 PR tree-optimization/26667
6292 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6293 node for the callees. Always allow inlining if it will shrink
6296 2006-03-14 Richard Guenther <rguenther@suse.de>
6299 * builtins.c (get_pointer_alignment): Prefer alignment
6300 information from decls over that from types.
6302 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6305 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6307 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6309 * config/rs6000/rs6000.opt (mdlmzb): New option.
6310 (msched-prolog, msched-epilog): Use Var not Mask.
6311 * doc/invoke.texi (-mdlmzb): Document.
6312 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6314 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6315 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6317 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6319 PR rtl-optimization/25739
6320 * bt-load.c (augment_live_range): Free tos pointer.
6322 * gensupport.c (identify_predicable_attribute): Free
6324 * gcov.c (create_file_names): Free name pointer.
6326 2006-03-13 Roger Sayle <roger@eyesopen.com>
6329 * stmt.c (emit_case_nodes): Handle the case where the index is a
6330 CONST_INT, where the comparison mode is specified by the index type.
6332 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6334 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6337 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6339 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6340 (*branch_fp_inverted): Likewise.
6342 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6345 * omp-low.c (expand_omp_for_generic): Mark istart0
6346 and iend0 as addressable.
6348 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6350 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6352 2006-03-13 Jeff Law <law@redhat.com>
6354 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6355 virtual operands are interesting.
6356 (vrp_visit_stmt): Corresponding changes.
6358 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6360 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6362 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6363 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6364 * config/bfin/crti.S: Use it instead of __PIC__.
6365 * config/bfin/crtn.S: Likewise.
6367 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6368 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6370 Lose 'G' modifier for call operand.
6371 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6372 recognize 'G' modifier.
6374 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6377 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6378 * stmt.c (expand_case): Likewise.
6380 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6382 PR rtl-optimization/26254
6383 * loop-invariant.c (seq_insns_valid_p): New function.
6384 (move_invariant_reg): Only emit new code if it is valid.
6386 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6388 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6390 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6391 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6392 (commit_one_edge_insertion): Do not look for loop notes.
6394 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6396 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6397 flag_test_coverage out of loop.
6399 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6401 * final.c (shorten_branches): Remove outdated comment, and turn
6402 the if branch that guards it to continue.
6404 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6406 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6407 * cfgloop.h (struct loop): Remove unused fields.
6409 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6411 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6412 (-dL, -fdump-rtl-loop2): Update the dump file names
6414 * doc/invoke.texi: Update dump file names.
6416 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6418 * predict.c (estimate_probability): Remove.
6419 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6420 * basic-block.h (estimate_probability): Remove prototype.
6421 * passes.c (finish_optimization_passes): Dump branch prediction or
6422 profiling heuristics to the .profile tree dump.
6423 (init_optimization_passes): Unqueue pass_branch_prob.
6425 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6427 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6429 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6430 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6432 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6434 * function.h (frame_offset_overflow): Declare.
6435 * function.c (frame_offset_overflow): New function.
6436 (assign_stack_local_1): Call it to detect that the offset overflows.
6437 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6439 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6441 * config/sh/sh.c: Include alloc-pool.h.
6442 (label_ref_list_pool): New alloc pool.
6443 (label_ref_list_t): New type for lists of labels.
6444 (struct pool_node): Make wend a label_ref_list_t.
6445 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6447 (dump_table): Likewise.
6448 (sh_reorg): Set up the alloc pool before using add_constant and
6449 dump_table, and destroy it when finishing.
6451 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6453 * config/mips/mips.c: Remove redundant comment.
6455 2006-03-10 Jason Merrill <jason@redhat.com>
6458 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6459 the target was declared 'register'.
6461 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6463 * genpreds.c (write_insn_constraint_len): Change definition of
6464 insn_constraint_len to return size_t to match the declaration.
6466 2006-03-10 DJ Delorie <dj@redhat.com>
6468 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6470 (m32c_expand_insv): Fix test for an AND mask.
6472 2006-03-10 Richard Guenther <rguenther@suse.de>
6475 * builtins.c (get_pointer_alignment): Handle component
6476 references for field alignment.
6478 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6480 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6481 when building with libgloss.
6482 (sh*elf): Implement --without-fp option.
6483 (sh64-superh-linux*): Don't multilib.
6485 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6487 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6489 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6491 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6492 Set it when one of the replacement functions returned true.
6493 Return TODO_cleanup_cfg if cfgchanged is true.
6494 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6496 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6498 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6499 instead of gen_lowpart.
6501 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6503 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6505 (mips_output_order_conditional_branch): Declare.
6506 * config/mips/mips.h (MIPS_BRANCH): New macro.
6507 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6508 for the comparison. Use gen_condjump.
6509 (mips_output_conditional_branch): Rework interface to take the
6510 asm templates for a direct branch and the inverse of a direct branch.
6511 (mips_output_order_conditional_branch): New function.
6512 (mips_builtin_branch_and_move): New function.
6513 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6514 branch condition. Use gen_single_cc as the condition for
6515 __builtin_mips_upper_* or __builtin_mips_lower_*.
6516 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6517 Use VOIDmode for the branch condition.
6518 * config/mips/predicates.md (order_operator): New predicate.
6519 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6520 (branch_fp): Rename to...
6521 (*branch_fp): ...this. Remove mode from comparison operator.
6522 Use new mips_output_conditional_branch interface.
6523 (branch_fp_inverted): Rename to...
6524 (*branch_fp_inverted): ...this and update as for *branch_fp.
6525 (*branch_zero<mode>): Rename to...
6526 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6527 Use mips_output_order_conditional_branch. Only accept ordered
6529 (*branch_zero<mode>_inverted): Rename to...
6530 (*branch_order<mode>_inverted): ...this and update as for
6531 *branch_order<mode>.
6532 (*branch_equality<mode>): Accept zero as the second operand to
6533 the equality operator. Use the new mips_output_conditional_branch
6535 (*branch_equality<mode>_inverted): Likewise.
6536 (condjump): New expander.
6537 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6539 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6540 (bc1any2t, bc1any2f): Likewise.
6541 (single_cc): New expander.
6542 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6544 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6546 * doc/md.texi: Update documentation of MIPS constraints.
6547 * config/mips/constraints.md: New file.
6548 * config/mips/mips.md: Include it.
6549 * config/mips/mips.c (mips_char_to_class): Delete.
6550 (override_options): Don't initialize mips_char_to_class.
6551 * config/mips/mips.h (mips_char_to_class): Delete.
6552 (REG_CLASS_FROM_LETTER): Delete.
6553 (CONST_OK_FOR_LETTER_P): Delete.
6554 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6555 (EXTRA_CONSTRAINT_Y): Delete.
6556 (EXTRA_CONSTRAINT_STR): Delete.
6557 (CONSTRAINT_LEN): Delete.
6558 (EXTRA_MEMORY_CONSTRAINT): Delete.
6560 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6562 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6563 original fn's eh regions.
6565 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6567 * fold-const.c (build_range_check): Make sure to use a valid type to
6568 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6571 (range_predecessor): New static function.
6572 (range_successor): Likewise.
6573 (merge_ranges): Use them to compute predecessors and successors of
6576 2006-03-09 Roger Sayle <roger@eyesopen.com>
6579 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6580 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6582 2006-03-08 DJ Delorie <dj@redhat.com>
6584 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6585 (addpsi3): Expand to include memory operands. Remove
6586 reload-specific splits.
6587 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6588 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6589 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6590 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6591 (shift1_qi, shift1_hi, insv): New.
6592 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6593 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6594 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6596 * config/m32c/m32c-protos.h: Update as needed.
6597 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6598 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6599 Fail for unrecognized R* constraints.
6600 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6601 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6602 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6604 (m32c_init_libfuncs): New.
6605 (m32c_legitimate_address_p): Add debug wrapper.
6606 (m32c_rtx_costs): New.
6607 (m32c_address_cost): New.
6608 (conversions): Add 'B' prefix.
6609 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6610 operands, or word regnames for QI operands. 'B' prints bit
6612 (m32c_expand_setmemhi): New.
6613 (m32c_expand_movmemhi): New.
6614 (m32c_expand_movstr): New.
6615 (m32c_expand_cmpstr): New.
6616 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6617 (m32c_expand_neg_mulpsi3): Handle non-ints.
6618 (m32c_cmp_flg_0): New.
6619 (m32c_expand_movcc): New.
6620 (m32c_expand_insv): New.
6621 (m32c_scc_pattern): New.
6622 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6623 a0/a1 out of SIregs.
6624 (STORE_FLAG_VALUE): New.
6625 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6628 * config/m32c/mov.md: Make constraints more liberal.
6629 (zero_extendqihi2): Optimize r0/r1 case.
6630 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6631 * config/m32c/predicates.md (m32c_any_operand): New.
6632 (m32c_nonimmediate_operand): New.
6633 (m32c_hl_operand): New.
6634 (m32c_r3_operand): New.
6637 (memsym_operand): New.
6638 (memimmed_operand): New.
6639 (a_qi_operand): New.
6640 (m32c_eqne_operator): New.
6641 (m32c_1bit8_operand): New.
6642 (m32c_1bit16_operand): New.
6643 (m32c_1mask8_operand): New.
6644 (m32c_1mask16_operand): New.
6645 * config/m32c/blkmov.md: New file.
6646 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6648 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6650 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6651 unsigned to fix signed/unsigned comparison issue in
6652 DWARF2_FRAME_REG_OUT.
6653 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6654 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6656 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6657 of ptr into the ENABLE_CHECKING section.
6659 2006-03-08 Jeff Law <law@redhat.com>
6661 * tree-vrp.c (infer_value_range): Only count pointer uses
6662 and dereferences if -fdelete-null-pointer-checks is enabled.
6664 * tree-vrp.c (find_assert_locations): Infer value ranges for
6665 single use pointers, but do not create ASSERT_EXPRs for them.
6666 When a non-null range is inferred for a pointer, backwards
6667 propagate that range to other equivalent pointers through the
6670 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6673 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6674 language hook targets.
6675 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6676 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6677 if language hook targets were missing.
6679 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6681 * tree-ssa-opfinalize.h: Removed.
6682 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6684 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6685 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6686 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6687 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6688 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6689 finalize_ssa_v_must_def_ops): New.
6691 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6693 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6696 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6698 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6700 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6701 addresses with offsets; reorganize.
6703 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6704 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6705 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6707 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6710 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6712 2006-03-08 Ben Elliston <bje@au.ibm.com>
6714 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6716 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6719 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6722 2006-03-07 Richard Guenther <rguenther@suse.de>
6724 PR tree-optimization/26587
6725 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6727 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6729 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6731 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6733 * hooks.c (hook_bool_mode_rtx_true): New function.
6734 * hooks.h (hook_bool_mode_rtx_true): Declare.
6735 * toplev.c (compile_file): Call output_shared_constant_pool.
6736 * varasm.c (shared_constant_pool): New variable.
6737 (assemble_start_function, assemble_end_function): Remove arguments
6738 from call to output_constant_pool.
6739 (create_constant_pool): New function, split out from...
6740 (init_varasm_status): ...here.
6741 (force_const_mem): Choose between the shared and per-function constant
6742 pools. Set current_function_uses_const_pool when reusing old entries
6743 as well as when creating new ones.
6744 (mark_constant): Ignore data argument.
6745 (mark_constants): Remove pool argument.
6746 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6747 to decide whether the function uses a constant pool.
6748 (output_constant_pool_contents): New function, split out from...
6749 (output_constant_pool): ...here.
6750 (output_shared_constant_pool): New function.
6751 (init_varasm_once): Initialize shared_constant_pool.
6752 * output.h (output_constant_pool): Delete.
6753 (output_shared_constant_pool): Declare.
6754 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6755 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6757 2006-03-06 Nick Clifton <nickc@redhat.com>
6759 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6760 flag_strength_reduce.
6762 2006-03-06 Ben Elliston <bje@au.ibm.com>
6764 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6765 x86_64-*-linux* configurations.
6767 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6768 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6770 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6772 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6774 * basic-block.h: Remove the extern for
6775 rediscover_loops_after_threading.
6777 * cfgloop.c (cancel_loop): Make it static.
6778 * cfgloop.h: Remove the prototype for cancel_loop.
6780 * flow.c (recompute_reg_usage): Make it static.
6781 * rtl.h: Remove the prototype for recompute_reg_usage.
6783 * function.c (use_return_register): Make it static.
6784 * function.h: Remove the prototype.
6786 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6788 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6790 * recog.h: Remove the prototype for
6791 validate_change_maybe_volatile.
6793 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6795 * rtlanal.c (replace_reg): Remove.
6796 * rtl.h: Remove the prototype for replace_reg.
6798 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6800 * regclass.c (reg_scan_update): Remove.
6801 (reg_scan_mark_refs): Remove the last argument.
6802 * rtl.h: Remove the prototype for reg_scan_update.
6804 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6806 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6807 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6808 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6809 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6810 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6811 loop-invariant.c, omp-low.c, opts.c, passes.c,
6812 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6813 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6814 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6815 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6816 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6817 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6819 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6821 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6822 * dwarf2out.h: Remove the prototype for
6823 dwarf2out_add_library_unit_info.
6825 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6827 * tree.c (add_var_to_bind_expr): Remove.
6828 * tree.h: Remove the prototype for add_var_to_bind_expr.
6830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6832 * regclass.c (n_non_fixed_regs): Remove.
6833 (init_reg_sets_1, globalize_reg): Remove all uses of
6835 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6837 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6839 * rtlanal.c (insns_safe_to_move_p): Remove.
6840 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6842 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6844 * expmed.c (expand_mult_add): Remove.
6845 * expr.h: Remove the prototype for expand_mult_add.
6847 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6849 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6850 and REG_SAVED_VAL_EXP constants.
6851 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6852 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6853 Handle regs stored by value.
6854 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6855 (execute_cfa_program): Handle DW_CFA_val_offset,
6856 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6857 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6858 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6859 (uw_install_context_1): Handle target regs stored by value.
6861 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6863 * tree-sra.c (tree_sra): Return todoflags;
6864 (generate_one_element): Set TODO_update_smt_usage if needed.
6865 (pass_sra): Remove TODO_update_smt_usage.
6866 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6868 (tree_ssa_forward_propagate_single_use_vars): Return
6869 TODO_update_smt_usage if we need to update SMT usage.
6870 (pass_forwprop): Remove TODO_update_smt_usage.
6872 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6874 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6875 (correct_use_link): Remove reference to get_stmt_operands.
6876 (update_stmt_operands): Likewise.
6877 (get_modify_expr_operands): New function factored out of
6878 parse_ssa_operands and get_expr_operands.
6879 Try to create V_MUST_DEFs for LHS by default.
6880 (get_expr_operands) <case MODIFY_EXPR>: Call
6881 get_modify_expr_operands.
6882 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6883 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6884 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6885 get_modify_expr_operands.
6887 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6889 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6890 * tree-flow.h: Remove the prototype for
6891 referenced_var_lookup_if_exists.
6893 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6895 PR rtl-optimization/26345
6897 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6899 2006-03-03 Roger Sayle <roger@eyesopen.com>
6901 PR tree-optimization/26524
6902 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6903 fold_convert to create a constant of the appropriate type.
6905 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6907 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6908 SYMBOL_REF_IN_BLOCK_P.
6909 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6910 of SYMBOL_FLAG_IN_BLOCK.
6911 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6912 instead of SYMBOL_REF_IN_BLOCK_P.
6913 * explow.c (use_anchored_address): Likewise.
6914 * rtl.c (rtx_size): Likewise.
6915 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6916 instead of SYMBOL_FLAG_IN_BLOCK.
6917 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6918 SYMBOL_REF_IN_BLOCK_P.
6919 (assemble_variable): Likewise.
6920 (output_constant_def_contents): Likewise.
6921 (output_constant_pool): Likewise.
6922 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6923 instead of SYMBOL_FLAG_IN_BLOCK.
6924 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6925 SYMBOL_REF_IN_BLOCK_P.
6926 (SYMBOL_REF_BLOCK): Likewise.
6927 (SYMBOL_REF_OFFSET): Likewise.
6928 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6929 SYMBOL_REF_IN_BLOCK_P.
6930 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6931 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6932 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6933 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6935 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6937 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6939 2006-03-02 Roger Sayle <roger@eyesopen.com>
6941 * simplify-rtx.c (simplify_unary_operation): When simplifying
6942 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6943 that we perform the right shift in the appropriate mode, and
6944 then extend or truncate the result to requested mode.
6946 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6948 * gengtype.c (main): Handle double_int type.
6949 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6950 * double-int.c: New file.
6951 * double-int.h: New file.
6952 * system.h: Include doubleint.h.
6953 * Makefile.in (SYSTEM_H): Include double-int.h.
6954 (double-int.o): Add.
6956 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6959 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6962 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6964 * tree-vrp.c (remove_range_assertions): Do not update statements
6967 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6969 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6971 * gcse.c (rest_of_handle_gcse): Ditto.
6972 * except.c (gate_handle_eh): Ditto.
6973 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6974 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6976 2006-03-02 Eric Christopher <echristo@apple.com>
6978 * config/i386/i386.c (machopic_output_stub): Add indirection to
6981 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6985 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6987 Sun Niagara specific optimizations.
6988 * config.gcc: Recognize niagara as target.
6989 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6990 (TARGET_CPU_niagara): Define.
6991 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6992 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6993 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6994 (ASM_CPU_SPEC): Likewise.
6995 (PROCESSOR_NIAGARA): New enum entry.
6996 (REGISTER_MOVE_COST): Handle Niagara.
6997 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6998 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6999 (sparc_override_options): Recognize "niagara", set appropriate
7000 default MASK_* values for it, and align functions to 32-bytes
7001 by default just like ULTRASPARC/ULTRASPARC3.
7002 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7003 (sparc64_initialize_trampoline): Likewise.
7004 (sparc_use_sched_lookahead): Use zero for niagara.
7005 (sparc_issue_rate): Use one for niagara.
7006 * config/sparc/niagara.md: New file.
7007 * config/sparc/sparc.md: Include it.
7008 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7009 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7010 when default cpu is niagara.
7011 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7012 (ASM_CPU_SPEC): Likewise.
7013 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7014 when default cpu is niagara.
7015 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7016 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7017 just like v9/ultrasparc/ultrasparc3.
7018 * doc/invoke.texi: Add documentation for "niagara" and improve
7019 existing documentation for ultrasparc variants.
7021 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7023 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7025 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7027 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7028 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7029 and say that only one is needed.
7030 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7031 * target.h (have_switchable_bss_sections): New hook.
7032 * explow.c (use_anchored_address): Check that the symbol is in a block.
7033 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7034 (bss_noswitch_section): New variables.
7035 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7036 (get_noswitch_section): New function.
7037 (get_block_for_section): Allow SECT to be null.
7038 (unlikely_text_section_p): Use SECTION_STYLE.
7039 (bss_initializer_p): New function.
7040 (get_variable_section): Move earlier in file. Take a new argument,
7041 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7042 Return one of the new *_sections in such cases.
7043 (get_block_for_decl): New function, extracting some logic from
7044 use_blocks_for_decl_p.
7045 (change_symbol_section): Remove in favor of...
7046 (change_symbol_block): ...this new function.
7047 (use_blocks_for_decl_p): Remove checks now performed by
7049 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7050 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7051 (emit_local, emit_bss, emit_common): ...these new functions.
7052 Return true if the alignment was honored.
7053 (emit_tls_common): New function.
7054 (asm_emit_uninitialised): Delete.
7055 (assemble_variable_noswitch): New function, split out from...
7056 (assemble_variable): ...here. Don't make decisions about common
7057 variables here. Globalize all public decls that go into non-common
7058 sections. Check whether SYMBOL_REF_BLOCK is null.
7059 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7060 (output_constant_pool): Likewise.
7061 (init_varasm_once): Initialize the new section variables.
7062 (have_global_bss_p): New function.
7063 (categorize_decl_for_section): Use bss_initializer_p.
7064 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7065 (place_block_symbol): Assert that the symbol must be in a block.
7066 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7067 (TARGET_INITIALIZER): Include it.
7068 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7069 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7070 (SECTION_MACH_DEP): Bump by two.
7071 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7072 (unnamed_section): Mention SECTION_UNNAMED in comment.
7073 (named_section): Likewise SECTION_NAMED.
7074 (noswitch_section_callback): New type.
7075 (noswitch_section): New structure.
7076 (section): Add a noswitch_section alternative.
7077 (SECTION_STYLE): New macro.
7078 (tls_comm_section, comm_section, lcomm_section): Declare.
7079 (bss_noswitch_section, have_global_bss_p): Declare.
7080 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7081 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7083 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7084 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7087 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7089 * tree-vrp.c (execute_vrp): Return value.
7090 * regrename.c (rest_of_handle_regrename): Ditto.
7091 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7092 * tree-complex.c (tree_lower_complex): Ditto.
7093 (tree_lower_complex_O0): Ditto.
7094 * tracer.c (rest_of_handle_tracer): Ditto.
7095 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7096 * postreload.c (rest_of_handle_postreload): Ditto.
7097 * tree-tailcall.c (execute_tail_recursion): Ditto.
7098 (execute_tail_calls): Ditto.
7099 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7100 * tree.h (init_function_for_compilation): Ditto.
7101 * ipa-cp.c (ipcp_driver): Ditto.
7102 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7103 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7104 * final.c (compute_alignments): Ditto.
7105 (rest_of_handle_final): Ditto.
7106 (rest_of_handle_shorten_branches): Ditto.
7107 (rest_of_clean_state): Ditto.
7108 * omp-low.c (execute_expand_omp): Ditto.
7109 (execute_lower_omp): Ditto.
7110 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7111 * ipa-reference.c (static_execute): Ditto.
7112 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7113 * reorg.c (rest_of_handle_delay_slots): Ditto.
7114 (rest_of_handle_machine_reorg): Ditto.
7115 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7116 * flow.c (recompute_reg_usage): Ditto.
7117 (rest_of_handle_remove_death_notes): Ditto.
7118 (rest_of_handle_life): Ditto.
7119 (rest_of_handle_flow2): Ditto.
7120 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7121 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7122 (do_ssa_store_ccp): Ditto.
7123 (execute_fold_all_builtins): Ditto.
7124 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7125 * modulo-sched.c (rest_of_handle_sms): Ditto.
7126 * ipa-pure-const.c (static_execute): Ditto.
7127 * cse.c (rest_of_handle_cse): Ditto.
7128 (rest_of_handle_cse2): Ditto.
7129 * web.c (rest_of_handle_web): Ditto.
7130 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7131 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7132 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7133 * tree-nrv.c (tree_nrv): Ditto.
7134 (execute_return_slot_opt): Ditto.
7135 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7136 (create_structure_vars): Ditto.
7137 * loop-init.c (rtl_loop_init): Ditto.
7138 (rtl_loop_done): Ditto.
7139 (rtl_move_loop_invariants): Ditto.
7140 (rtl_unswitch): Ditto.
7141 (rtl_unroll_and_peel_loops): Ditto.
7142 (rtl_doloop): Ditto.
7143 * gimple-low.c (lower_function_body): Ditto.
7144 (mark_used_blocks): Ditto.
7145 * tree-ssa-sink.c (execute_sink_code): Ditto.
7146 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7147 (cgraph_early_inlining): Ditto.
7148 * global.c (rest_of_handle_global_alloc): Ditto.
7149 * jump.c (cleanup_barriers): Ditto.
7150 (purge_line_number_notes): Ditto.
7151 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7152 (rest_of_handle_if_after_reload): Ditto.
7153 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7154 (tree_ssa_loop_im): Ditto.
7155 (tree_ssa_loop_unswitch): Ditto.
7156 (tree_vectorize): Ditto.
7157 (tree_linear_transform): Ditto.
7158 (tree_ssa_loop_ivcanon): Ditto.
7159 (tree_ssa_empty_loop): Ditto.
7160 (tree_ssa_loop_bounds): Ditto.
7161 (tree_complete_unroll): Ditto.
7162 (tree_ssa_loop_prefetch): Ditto.
7163 (tree_ssa_loop_ivopts): Ditto.
7164 (tree_ssa_loop_done): Ditto.
7165 * predict.c (tree_estimate_probability): Ditto.
7166 * recog.c (split_all_insns_noflow): Ditto.
7167 (rest_of_handle_peephole2): Ditto.
7168 (rest_of_handle_split_all_insns): Ditto.
7169 * tree-eh.c (lower_eh_constructs): Ditto.
7170 * regmove.c (rest_of_handle_regmove): Ditto.
7171 (rest_of_handle_stack_adjustments): Ditto.
7172 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7173 * function.c (instantiate_virtual_regs): Ditto.
7174 (init_function_for_compilation): Ditto.
7175 (rest_of_handle_check_leaf_regs): Ditto.
7176 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7177 (rest_of_handle_gcse): Ditto.
7178 * ipa-type-escape.c (type_escape_execute): Ditto.
7179 * alias.c (rest_of_handle_cfg): Ditto.
7180 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7181 * profile.c (rest_of_handle_branch_prob): Ditto.
7182 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7183 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7184 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7185 * tree-dfa.c (find_referenced_vars): Ditto.
7186 * except.c (set_nothrow_function_flags): Ditto.
7187 (convert_to_eh_region_ranges): Ditto.
7188 (rest_of_handle_eh): Ditto.
7189 * emit-rtl.c (unshare_all_rtl): Ditto.
7190 (remove_unnecessary_notes): Ditto.
7191 * except.h (set_nothrow_function_flags): Ditto.
7192 (convert_to_eh_region_ranges): Ditto.
7193 * cfgexpand.c (tree_expand_cfg): Ditto.
7194 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7195 * tree-ssa-pre.c (do_pre): Ditto.
7196 (execute_fre): Ditto.
7197 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7198 (rest_of_handle_jump2): Ditto.
7199 * tree-sra.c (tree_sra): Ditto.
7200 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7201 (execute_mudflap_function_decls): Ditto.
7202 * tree-ssa-copy.c (do_copy_prop): Ditto.
7203 (do_store_copy_prop): Ditto.
7204 * ipa-prop.h (ipcp_driver): Ditto.
7205 * cfglayout.c (insn_locators_initialize): Ditto.
7206 * tree-ssa-forwprop.c
7207 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7208 * cfglayout.h (insn_locators_initialize): Ditto.
7209 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7210 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7211 (execute_late_warn_uninitialized): Ditto.
7212 * rtl.h (cleanup_barriers): Ditto.
7213 (split_all_insns_noflow): Ditto.
7214 (purge_line_number_notes): Ditto.
7215 (unshare_all_rtl): Ditto.
7216 (remove_unnecessary_notes): Ditto.
7217 (recompute_reg_usage): Ditto.
7218 (variable_tracking_main): Ditto.
7219 * integrate.c (emit_initial_value_sets): Ditto.
7220 * integrate.h (emit_initial_value_sets): Ditto.
7221 * tree-optimize.c (execute_free_datastructures): Ditto
7222 (execute_free_cfg_annotations): Ditto.
7223 (execute_fixup_cfg): Ditto.
7224 (execute_cleanup_cfg_pre_ipa): Ditto.
7225 (execute_cleanup_cfg_post_optimizing): Ditto.
7226 (execute_init_datastructures): Ditto.
7227 * tree-object-size.c (compute_object_sizes): Ditto.
7228 * combine.c (rest_of_handle_combine): Ditto.
7229 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7230 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7231 (rest_of_handle_reorder_blocks): Ditto.
7232 (rest_of_handle_partition_blocks): Ditto.
7233 * var-tracking.c (variable_tracking_main): Ditto.
7234 * tree-profile.c (tree_profiling): Ditto.
7235 * tree-vect-generic.c (expand_vector_operations): Ditto.
7236 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7237 * sched-rgn.c (rest_of_handle_sched): Ditto.
7238 (rest_of_handle_sched2): Ditto.
7239 * basic-block.h (free_bb_insn): Ditto.
7240 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7241 * tree-cfg.c (execute_build_cfg): Ditto.
7242 (remove_useless_stmts): Ditto.
7243 (split_critical_edges): Ditto.
7244 (execute_warn_function_return): Ditto.
7245 (execute_warn_function_noreturn): Ditto.
7246 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7247 * cfgrtl.c (free_bb_for_insn): Ditto.
7248 * passes.c (execute_one_pass): Run additional
7249 todos returned by execute function.
7250 * tree-pass.h (struct tree_opt_pass): Make execute
7253 2006-03-02 Richard Guenther <rguenther@suse.de>
7255 * tree-ssa-alias.c (find_used_portions): Consider taking
7256 the address as making the variable not write-only.
7258 2006-03-02 Nick Clifton <nickc@redhat.com>
7260 * config.gcc (default_use_cxa_atexit): Extend the description of
7261 this configure variable. Set its default value to "yes" for
7262 Linux, NetBSD and ELF targets on the assumption that they will
7263 use C libraries with the __cxa_atexit function.
7265 2006-03-02 Ben Elliston <bje@au.ibm.com>
7267 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7268 parameter as unused to suppress a build warning.
7270 2006-03-02 Ben Elliston <bje@au.ibm.com>
7272 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7275 2006-03-01 Roger Sayle <roger@eyesopen.com>
7278 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7279 declared name, the weak reference name, and the typeof name.
7280 (__gthrw): Avoid expanding the declared name suffix.
7281 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7283 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7285 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7287 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7288 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7289 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7290 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7291 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7292 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7293 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7294 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7295 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7296 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7297 (DW_END_default, DW_END_big, DW_END_little): New.
7298 (DW_END_lo_user, DW_END_hi_user): Define.
7299 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7300 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7301 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7304 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7306 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7308 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7310 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7312 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7314 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7315 to 'symbol_mem_tag'.
7317 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7320 2006-03-01 Roger Sayle <roger@eyesopen.com>
7322 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7324 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7327 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7328 MACHO_DYNAMIC_NO_PIC_P.
7329 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7331 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7334 * config/darwin-protos.h (darwin_asm_output_anchor):
7336 * config/darwin-sections.def (cstring_section):
7337 Add SECTION_MERGE to the flags.
7338 (literal4_section): Likewise.
7339 (literal8_section): Likewise.
7340 (objc_selector_refs_section): Likewise.
7341 (objc_cls_refs_section): Likewise.
7342 * config/darwin.c (darwin_asm_output_anchor): New
7344 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7346 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7348 Fix PR tree-optimization/26443
7349 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7350 to todo and PROP_tmt_usage to properties_destroyed.
7351 * tree-ssa-ccp.c (pass_ccp): Ditto.
7352 (pass_store_ccp): Ditto.
7353 * tree-ssa-dom.c (pass_dominator): Ditto.
7355 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7357 * tree-ssa-operands.c: Cleanup whitespace.
7358 (get_asm_expr_operands): Move before first invocation.
7359 (get_indirect_ref_operands): Likewise.
7360 (get_tmr_operands): Likewise.
7361 (get_call_expr_operands): Likewise.
7362 (append_def): Likewise.
7363 (append_use): Likewise.
7364 (append_v_may_def): Likewise.
7365 (append_v_must_def): Likewise.
7366 (add_call_clobber_ops): Likewise.
7367 (add_call_read_ops): Likewise.
7368 (add_stmt_operand): Likewise.
7369 (add_virtual_operand): Likewise.
7370 (build_ssa_operands): Likewise.
7372 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7377 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7378 with a call expr to ...
7379 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7381 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7383 * tree-vrp.c (extract_range_from_assert): Remove special
7384 handling for types with super-types.
7386 2006-03-01 Ben Elliston <bje@au.ibm.com>
7388 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7389 and powerpc64-*-linux* configurations.
7390 * config/t-dfprules: New file.
7392 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7393 Compile dfp-bit.c from the source directory using -DWIDTH and
7394 $DFP_CFLAGS to control the compilation of that file, rather than
7395 generating width-specific versions in the build directory.
7396 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7397 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7399 2006-02-28 Zack Weinberg <zackw@panix.com>
7401 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7404 2006-02-28 Eric Christopher <echristo@apple.com>
7406 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7407 Set up IN_LIBGCC definition of TARGET_64BIT.
7408 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7410 2006-02-28 Roger Sayle <roger@eyesopen.com>
7413 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7414 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7415 cases via the construction of "expr != 0".
7417 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7419 * alias.c (alias_invariant, alias_invariant_size): Remove.
7420 (record_base_value): Remove.
7421 (memrefs_conflict_p): Don't look at alias_invariant.
7422 (end_alias_analysis): Don't free it.
7423 * alias.h (record_base_value): Remove prototype.
7425 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7426 Adam Nemet <anemet@caviumnetworks.com>
7428 * rtl.h (truncated_to_mode): Declare it.
7429 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7430 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7431 (RTL_HOOKS_INITIALIZER): Include it.
7432 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7433 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7434 reg_truncated_to_mode.
7435 * rtlanal.c (truncated_to_mode): Define it.
7436 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7438 2006-02-28 Jeff Law <law@redhat.com>
7440 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7441 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7442 the range allowed by TYPE_PRECISION.
7444 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7446 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7448 PR tree-optimization/26419
7449 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7452 2006-02-27 Zack Weinberg <zackw@panix.com>
7454 * doc/md.texi: Fix typo in previous change.
7456 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7460 2006-02-27 Zack Weinberg <zackw@panix.com>
7462 * rtl.def (define_constraint, define_register_constraint)
7463 (define_memory_constraint, define_address_constraint): New MD forms.
7464 * gensupport.c (process_rtx): Put define_constraint etc on the
7466 * genpreds.c (process_define_predicate): Adjust comment. Validate
7467 the name, and call validate_exp to validate the expression.
7468 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7469 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7470 all callers changed.
7471 (validate_exp, needs_variable, struct constraint_data)
7472 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7473 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7474 (const_dbl_constraints, constraint_max_namelen)
7475 (have_register_constraints, have_memory_constraints)
7476 (have_address_constraints, have_address_constraints)
7477 (have_extra_constraints, have_const_int_constraints)
7478 (have_const_dbl_constraints, mangle, add_constraint)
7479 (process_define_constraint, process_define_register_constraint)
7480 (write_enum_constraint_num, write_lookup_constraint)
7481 (write_insn_constraint_len, write_regclass_for_constraint)
7482 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7483 (write_insn_extra_memory_constraint)
7484 (write_insn_extra_address_constraint)
7485 (write_satisfies_constraint_fns): New.
7486 (write_tm_preds_h): If we have new-style constraint definitions,
7487 prototype the functions generated from them, and define the
7488 old constraint interface (still used by generic code) in terms of
7490 (write_insn_preds_c): If we have new-style constraint definitions,
7491 generate all relevant functions from those definitions.
7492 (main): Handle define_constraint etc.
7493 * genoutput.c (struct constraint_data, indep_constraints)
7494 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7495 (mdep_constraint_len): New data structures and functions, defined
7496 #ifdef USE_MD_CONSTRAINTS.
7497 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7498 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7499 use new logic to validate operand constraints against constraint
7501 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7503 * defaults.h: If none of the old-style constraint macros are
7504 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7505 old-style macros; and poison REG_CLASS_FROM_LETTER,
7506 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7508 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7509 * doc/md.texi: Document new constraint-definition mechanism and the
7510 C interface it provides. Remove references to old mechanism
7511 elsewhere in the document.
7512 (Machine Constraints): Use pathnames relative to gcc directory,
7513 i.e. config/ARCH/FILE. Change i386 section to refer to
7514 config/i386/predicates.md; update that section to match docstrings.
7515 * doc/tm.texi: Move all documentation of the old constraint-
7516 definition macros to their own section, clearly mark as obsolete.
7518 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7519 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7521 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7522 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7523 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7525 (splits and peepholes): Use satisfies_constraint_*.
7526 * config/i386/i386.c (memory_address_length)
7527 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7529 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7531 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7532 scalar operation to be put back into the loop.
7534 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7537 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7538 (extract_cie_info): Handle S flag in augmentation string.
7539 (execute_cfa_program): If context->signal_frame, execute also
7540 fs->pc == context->ra instructions.
7541 (uw_frame_state_for): If context->signal_frame, don't subtract one
7542 from context->ra to find FDE.
7543 (uw_update_context_1): Set context->signal_frame to
7545 (_Unwind_GetIPInfo): New function.
7546 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7547 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7549 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7550 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7551 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7552 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7553 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7554 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7555 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7556 x86_64_fallback_frame_state): Set fs->signal_frame.
7557 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7558 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7559 (frob_update_context): Likewise. Workaround missing S flag in
7560 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7561 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7562 Remove the psw_addr + 1 hack.
7564 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7566 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7567 with aggregates here.
7568 (find_func_aliases): Remove code for &<aggregate> from here.
7570 2006-02-26 Roger Sayle <roger@eyesopen.com>
7572 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7573 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7574 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7577 2006-02-26 Roger Sayle <roger@eyesopen.com>
7580 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7582 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7584 * opts.c (decode_options): Do not handle flag_strength_reduce.
7585 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7586 and OPT_fstrength_reduce.
7587 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7588 flag_prefetch_loop_arrays for being nonzero.
7589 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7591 (fprefetch-loop-arrays-rtl): Removed.
7592 (flag_prefetch_loop_arrays): Do not specify the value.
7594 * doc/passes.texi: Update documentation of loop optimizer
7596 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7597 -frerun-loop-opt): Remove.
7599 2006-02-26 Richard Guenther <rguenther@suse.de>
7601 PR tree-optimization/26421
7602 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7603 in function calls that are ADDR_EXPRs as using the whole structure.
7605 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7607 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7608 * tree-pass.h (pass_loop_optimize): Remove.
7609 * passes.c (pass_loop_optimize): Never run it.
7610 * toplev.c (backend_init): Don't call init_loop.
7611 * opts.c (flag_loop_optimize_set): Remove.
7612 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7613 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7614 the old RTL loop optimizer when profiling enabled.
7615 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7616 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7617 pre-headers for the sake of the old RTL loop optimizer.
7618 * Makefile.in: Remove all references to loop.o.
7620 * doc/invoke.texi: Remove all references to -floop-optimize
7621 and -frerun-loop-opt.
7623 2006-02-26 Zack Weinberg <zackw@panix.com>
7625 * doc/md.texi (Machine Constraints): Refer to all files with paths
7626 relative to gcc directory (i.e. config/CPU/file). Add missing
7627 @table @code ... @end table to M32C subsection.
7629 2006-02-26 Roger Sayle <roger@eyesopen.com>
7631 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7633 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7635 2006-02-26 Roger Sayle <roger@eyesopen.com>
7636 James A. Morrison <phython@gcc.gnu.org>
7639 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7640 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7641 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7642 signedness of the shift operation.
7644 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7646 PR tree-optimization/26359
7647 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7649 2006-02-25 Roger Sayle <roger@eyesopen.com>
7651 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7652 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7653 as X == 0, and some symmetry related transformations.
7654 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7656 2006-02-25 Roger Sayle <roger@eyesopen.com>
7659 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7660 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7661 symmetry related transformations. Fold (X^C1) == C2 as
7664 2006-02-25 Juergen Weigert <jw@suse.de>
7665 Richard Guenther <rguenther@suse.de>
7667 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7669 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7671 * combine.c (gen_lowpart_or_truncate): Call
7672 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7674 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7676 * doc/invoke.texi: Move -fopenmp description to "Options for
7678 Remove reference to -lgomp.
7680 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7682 * doc/install.texi: Require GNU tar version 1.14.
7684 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7686 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7687 * doc/invoke.texi (C++ Dialect Options): Document
7688 -fno-use-cxa-get-exception-ptr.
7689 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7690 * configure: Regenerate.
7691 * c.opt (fuse-cxa-get-exception-ptr): New.
7692 * c-opts.c (c_common_handle_option): Handle
7693 OPT_fuse_cxa_get_exception_ptr.
7694 * c-common.c (flag_use_cxa_atexit): Update documentation.
7695 (flag_use_cxa_get_exception_ptr): New.
7696 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7697 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7699 (C_COMMON_OVERRIDE_OPTIONS): New.
7701 2006-02-24 Roger Sayle <roger@eyesopen.com>
7704 * combine.c (try_combine): Explicitly check whether GET_CODE is
7705 a SET or a CLOBBER, instead on checking that it isn't a USE.
7707 2006-02-24 Roger Sayle <roger@eyesopen.com>
7709 * fold-const.c (fold_comparison): New subroutine of fold_binary
7710 containing transformations common to both the equality and
7711 ordering relational operators, factored out of fold_binary.
7712 (fold_binary): Separate out the equality operators (EQ_EXPR
7713 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7714 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7715 transformations common to both.
7716 (fold_div_compare): Fix latent bugs in the previously unreachable
7717 LT_EXPR and GE_EXPR cases.
7719 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7721 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7722 decl libname for clog to __clog on AIX.
7724 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7726 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7729 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7730 output traceback table for thunks. Localise rs6000_stack_info call.
7732 2006-02-23 Roger Sayle <roger@eyesopen.com>
7733 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7735 * gthr-posix.h (__gthrw): Fix typo in comment.
7737 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7739 * doc/cpp.texi (Character sets): Document that we do support
7740 input files to be in any character set.
7742 2006-02-23 Jeff Law <law@redhat.com>
7744 * tree.h (PHI_ARG_NONZERO): Remove.
7745 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7746 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7747 node to the new node.
7749 PR tree-optimization/26425
7750 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7751 min/max, then assume its varying.
7753 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7755 PR rtl-optimization/26316
7756 * rtlanal.c (enum may_trap_p_flags): New.
7757 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7758 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7759 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7760 (may_trap_after_code_motion_p): New function.
7761 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7762 (find_invariant_insn): Use may_trap_after_code_motion_p.
7763 * rtl.h (may_trap_after_code_motion_p): Declare.
7765 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7767 * emit-rtl.c (immed_double_const): Cleanup.
7769 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7771 Fix PR tree-optimization/26376
7772 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7775 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7778 * gimplify.c (omp_add_variable): Guard variable size decl test with
7779 DECL_SIZE (decl) check.
7781 2006-02-23 Richard Guenther <rguenther@suse.de>
7784 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7785 like aggregate types.
7787 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7789 * configure.ac: Add --with{,out}-long-double-128 configure option.
7790 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7791 * configure: Rebuilt.
7792 * config.in: Rebuilt.
7793 * doc/install.texi (Options specification): Document
7794 --with-long-double-128.
7796 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7797 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7798 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7799 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7801 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7803 * config/s390/s390.c (override_options): Handle
7804 TARGET_DEFAULT_LONG_DOUBLE_128.
7806 * config/alpha/alpha.c (override_options): Handle
7807 TARGET_DEFAULT_LONG_DOUBLE_128.
7809 * config/sparc/sparc.c (sparc_override_options): Handle
7810 TARGET_DEFAULT_LONG_DOUBLE_128.
7812 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7814 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7815 (real-install-headers-tar, real-install-headers-cpio)
7816 (real-install-headers-cp): New targets.
7818 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7820 * tree.h (variable_section): Delete.
7821 * varasm.c (variable_section): Delete.
7823 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7825 * install.texi: Add notes on install.texi2html.
7826 (Building in parallel): Do not use footnotes.
7828 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7831 * doc/install.texi (Configuration): Document --disable-libgomp.
7833 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7835 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7837 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7839 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7840 (vec_extractv2df_0_sse): New.
7842 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7844 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7845 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7846 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7847 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7848 to the result of the expression.
7849 (def_cfa_1): Adjust.
7850 (frame_pointer_cfa_offset): Rename to...
7851 (frame_pointer_fb_offset): ... this. Adjust all uses.
7852 (convert_cfa_to_loc_list): Rename to...
7853 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7854 Pass it on to build_cfa_loc.
7855 (compute_frame_pointer_to_cfa_displacement): Rename to...
7856 (compute_frame_pointer_to_fb_displacement): ... this. New
7857 offset parameter. Use it in computation.
7858 (gen_subprogram_die): Compute cfa_fb_offset with the new
7859 macro, and use it to compute the fb loc list and the
7862 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7864 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7865 replaced with register_operand.
7866 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7867 non-DREG is expensive.
7868 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7869 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7872 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7874 * doc/install.texi2html: Use set -e.
7876 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7878 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7879 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7880 * doc/invoke.texi (-fshared-data): Delete.
7881 * common.opt (fshared-data): Delete.
7882 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7883 (assemble_static_space): Remove #if 0 code.
7884 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7885 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7886 * config/cris/cris.h: Remove FIXME.
7888 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7890 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7893 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7896 * combine.c (simplify_shift_const_1): Disable nested shifts
7897 optimization for vector shifts.
7899 2006-02-20 Roger Sayle <roger@eyesopen.com>
7901 PR tree-optimization/26361
7902 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7903 of unsigned integer types.
7905 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7907 * tree-chrec.c (eq_evolutions_p): New.
7908 * tree-chrec.h (eq_evolutions_p): Declared.
7909 * tree-data-ref.c: Fix formatting.
7910 (datadep_stats, dependence_stats): New.
7912 (print_direction_vector): New.
7913 (dump_data_dependence_relation): Use print_direction_vector.
7914 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7915 (compute_subscript_distance): Static.
7916 (initialize_data_dependence_relation): Static. Get the number
7917 of loops surrounding the references from the callers, and initialize
7918 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7919 base_object_differ_p analyzers.
7920 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7921 compute_overlap_steps_for_affine_1_2,
7922 analyze_subscript_affine_affine): Count the classified dependences.
7923 Print a message when a test failed.
7924 (can_use_analyze_subscript_affine_affine): New.
7925 (analyze_siv_subscript): Compute the data dependences on symbolic
7926 scevs that verify can_use_analyze_subscript_affine_affine.
7927 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7928 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7929 Handle symbolic scevs.
7930 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7932 (subscript_dependence_tester): Moved...
7933 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7934 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7935 DDR_SIZE_VECT instead of getting it in parameter.
7936 (subscript_dependence_tester): ... here. Take as a parameter
7937 loop_nest_depth. Call build_classic_dist_vector and
7938 build_classic_dir_vector.
7939 (compute_affine_dependence): Update subscript_dependence_tester
7940 parameters. Update datadep_stats counters. Call
7941 compute_subscript_distance.
7942 (compute_self_dependence): Save the dist and dir vectors. Call
7943 compute_subscript_distance.
7944 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7945 (compute_all_dependences): Reorder parameters as they were before
7946 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7947 compute_subscript_distance. Update the use of
7948 compute_affine_dependence and initialize_data_dependence_relation.
7949 (find_data_references_in_loop): Handle COMPONENT_REF.
7950 (compute_data_dependences_for_loop): Initialize dependence_stats.
7951 Don't call build_classic_dist_vector and build_classic_dir_vector.
7952 Update the parameters of initialize_data_dependence_relation and
7953 compute_all_dependences. Print the statistics from datadep_stats.
7954 (analyze_all_data_dependences): Static. Not used until the pass for
7955 checking the data dependences is contributed.
7956 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7957 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7958 (initialize_data_dependence_relation, compute_affine_dependence,
7959 analyze_all_data_dependences, compute_subscript_distance): Removed.
7960 (print_direction_vector): New.
7961 * lambda.h (gcd): ... here.
7962 (lambda_vector_gcd): Moved here from gcd_vector.
7963 * lambda-code.c (gcd, gcd_vector): Removed.
7964 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7965 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7967 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7969 * ipa-type-escape.c: Tidy some comments and white space.
7970 * tree-ssa-operands.c: Likewise.
7972 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7975 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7976 (dump_decl_name): Do not walk the decl tree chains.
7977 * tree-pass.h (TDF_CHAIN): Remove.
7979 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7981 * Makefile.in (C): Remove
7983 (.PHONY): Remove C and PROTO
7985 2006-02-20 Roger Sayle <roger@eyesopen.com>
7988 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7989 deprecated CHAR_TYPE tree code.
7991 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7993 * configure.ac (target_list): Add install-info, dvi, html.
7994 * configure: Regenerate.
7996 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7997 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7998 treelang/Make-lang.in: Do not use double-colon rules.
8000 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8002 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8003 (TMT_USED_ALONE): New macro.
8004 * tree-pass.h (PROP_tmt_usage): New property.
8005 (TODO_update_tmt_usage): New todo.
8006 * tree-ssa-alias.c (updating_used_alone): New variable.
8007 (recalculate_used_alone): New function.
8008 (compute_may_aliases): Set updating_used_alone, call
8009 recalculate_used_alone.
8010 * tree-sra.c (pass_sra): Note that this pass destroys
8011 PROP_tmt_usage, and add TODO_update_tmt_usage.
8012 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8013 * tree-flow.h (updating_used_alone): Prototype.
8014 (recalculate_used_alone): Ditto.
8015 * passes.c (execute_todo): Add code to set updating_used_alone,
8016 and call recalculate.
8017 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8018 for clobber if used alone, and add assert to verify used_alone
8021 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8023 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8024 for non tls symbols added.
8025 (legitimize_address): Do nothing for PLUS expressions if one of the
8026 addends is a tls symbol reference.
8028 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8032 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8034 * Makefile.in (BOOTSTRAPPING): New.
8035 (quickstrap): New definition if BOOTSTRAPPING=yes.
8037 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8038 * configure.ac: Substitute all_selected_languages with the languages
8039 that were configured. For all the other variables except
8040 lang_specs_files, include all the languages in the tree.
8041 * configure: Regenerate.
8043 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8044 if there is one. Run the commands to run fixincludes in the same
8047 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8048 * doc/install.texi: Document exact conventions for searching target tools.
8049 Document --with-build-time-tools. Document toplevel bootstrap. Document
8050 something more about building an Ada cross-compiler. Don't list GNU Make
8051 requirements which affect all platforms.
8053 2006-02-19 Roger Sayle <roger@eyesopen.com>
8056 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8057 only equivalent if the have both the same mode and precision.
8059 2006-02-20 Ben Elliston <bje@au.ibm.com>
8061 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8063 2006-02-19 Roger Sayle <roger@eyesopen.com>
8064 Steven Bosscher <stevenb.gcc@gmail.com>
8066 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8067 constant pool references to identify stack mode constants.
8068 * rtlanal.c (constant_pool_constant_p): New predicate to check
8069 whether operand is a floating point constant in the pool.
8070 * rtl.h (constant_pool_constant_p): Prototype here.
8071 * loop.c (scan_loop): Avoid hoisting constants from the constant
8072 pool on STACK_REGS targets.
8073 (load_mems): Likewise.
8074 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8075 loads into x87 registers expensive in terms of register pressure.
8077 2006-02-19 Roger Sayle <roger@eyesopen.com>
8079 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8080 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8082 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8084 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8085 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8087 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8089 * doc/invoke.texi: Document -fipa-pta.
8090 * common.opt: Add ipa-pta option.
8091 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8092 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8093 (do_ds_constraint): Ditto.
8094 (get_constraint_for): Only add to referenced_vars if
8095 referenced_vars exists.
8096 (insert_into_field_list): Rewrite to do this unsorted.
8097 (insert_into_field_list_sorted): Rename old insert_into_field_list
8099 (create_function_info_for): Use insert_into_field_list_sorted.
8100 (create_variable_info_for): Rewrite so it uses unsorted version,
8101 since the field list is sorted.
8102 (intra_create_variable_infos): Only add to referenced_vars if
8103 referenced_vars exists.
8104 (ipa_pta_execute): Init heapvars, and delete when done.
8105 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8107 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8109 * doc/install.texi: Add missing `@samp'.
8111 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8113 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8116 2006-02-18 Mark Wielaard <mark@klomp.org>
8118 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8119 who added new 4.1 features, bug fixes and integration support.
8121 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8124 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8127 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8129 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8130 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8131 (copy_insn_1): Likewise. Don't copy each field individually.
8133 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8135 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8136 * rtl.c (rtx_size): Rename variable to...
8137 (rtx_code_size): ...this.
8138 (rtx_size): New function.
8139 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8140 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8142 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8143 * rtl.h (rtx_code_size): New variable.
8144 (rtx_size): Change from a variable to a function.
8145 (RTX_SIZE): Rename to...
8146 (RTX_CODE_SIZE): ...this.
8149 PR tree-optimization/17106
8150 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8151 (Anchored Addresses): New section.
8152 * doc/invoke.texi (-fsection-anchors): Document.
8153 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8154 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8155 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8156 * hooks.c (hook_bool_mode_rtx_false): New function.
8157 * hooks.h (hook_bool_mode_rtx_false): Declare.
8158 * gengtype.c (create_optional_field): New function.
8159 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8160 SYMBOL_REF_IN_BLOCK_P is true.
8161 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8162 (min_anchor_offset, max_anchor_offset): Likewise.
8163 (use_anchors_for_symbol_p): New hook.
8164 * toplev.c (compile_file): Call output_object_blocks.
8165 (target_supports_section_anchors_p): New function.
8166 (process_options): Check that -fsection-anchors is only used on
8167 targets that support it and when -funit-at-a-time is in effect.
8168 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8169 if the decl doesn't have one.
8170 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8171 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8172 of force_const_mem through use_anchored_address.
8173 (expand_expr_constant): New function.
8174 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8175 calling expand_expr for INDIRECT_REF.
8176 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8177 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8178 * expr.h (use_anchored_address): Declare.
8179 * loop-unroll.c: Don't declare rtx vectors here.
8180 * explow.c: Include output.h.
8181 (validize_mem): Call use_anchored_address.
8182 (use_anchored_address): New function.
8183 * common.opt (-fsection-anchors): New switch.
8184 * varasm.c (object_block_htab, anchor_labelno): New variables.
8185 (hash_section, object_block_entry_eq, object_block_entry_hash)
8186 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8187 (use_blocks_for_decl_p, change_symbol_section): New functions.
8188 (get_variable_section): New function, split out from assemble_variable.
8189 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8190 use_blocks_for_decl_p say so. Use change_symbol_section if the
8191 symbol has already been created.
8192 (assemble_variable_contents): New function, split out from...
8193 (assemble_variable): ...here. Don't output any code for
8194 block symbols; just pass them to place_block_symbol.
8195 Use get_variable_section and assemble_variable_contents.
8196 (get_constant_alignment, get_constant_section, get_constant_size): New
8197 functions, split from output_constant_def_contents.
8198 (build_constant_desc): Create a block symbol if use_object_blocks_p
8199 says so. Or into SYMBOL_REF_FLAGS.
8200 (assemble_constant_contents): New function, split from...
8201 (output_constant_def_contents): ...here. Don't output any code
8202 for block symbols; just pass them to place_section_symbol.
8203 Use get_constant_section and get_constant_alignment.
8204 (force_const_mem): Create a block symbol if use_object_blocks_p and
8205 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8206 (output_constant_pool_1): Add an explicit alignment argument.
8207 Don't switch sections here.
8208 (output_constant_pool): Adjust call to output_constant_pool_1.
8209 Switch sections here instead. Don't output anything for block symbols;
8210 just pass them to place_block_symbol.
8211 (init_varasm_once): Initialize object_block_htab.
8212 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8213 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8214 (place_block_symbol, get_section_anchor, output_object_block)
8215 (output_object_block_htab, output_object_blocks): New functions.
8216 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8217 (TARGET_ASM_OUT): Include it.
8218 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8219 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8220 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8221 (TARGET_INITIALIZER): Include them.
8222 * rtl.c (rtl_check_failed_block_symbol): New function.
8223 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8224 (block_symbol, object_block): New structures.
8225 (rtx_def): Add a block_symbol field to the union.
8226 (BLOCK_SYMBOL_CHECK): New macro.
8227 (rtl_check_failed_block_symbol): Declare.
8228 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8229 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8230 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8231 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8232 * output.h (output_section_symbols): Declare.
8233 (object_block): Name structure.
8234 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8235 (default_use_anchors_for_symbol_p): Declare.
8236 * Makefile.in (RTL_BASE_H): Add vec.h.
8237 (explow.o): Depend on output.h.
8238 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8239 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8240 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8241 (rs6000_use_blocks_for_constant_p): New function.
8243 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8245 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8247 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8250 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8253 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8255 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8259 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8262 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8263 instead of DECL_REGISTER.
8265 2006-02-18 Olivier Hainque <hainque@adacore.com>
8268 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8270 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8273 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8274 * opth-gen.awk: Handle Var and InverseMask together.
8275 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8276 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8277 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8278 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8280 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8281 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8282 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8283 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8284 LINUX_DYNAMIC_LINKER): Define.
8285 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8286 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8288 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8289 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8290 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8292 (TARGET_C99_FUNCTIONS): Don't define.
8293 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8294 GLIBC_DYNAMIC_LINKER.
8295 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8296 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8297 GLIBC_DYNAMIC_LINKER64): Define.
8298 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8299 LINUX_DYNAMIC_LINKER64.
8300 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8302 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8304 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8305 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8306 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8307 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8308 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8310 and LINUX_DYNAMIC_LINKER32.
8311 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8313 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8314 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8315 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8317 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8318 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8319 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8320 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8321 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8322 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8323 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8324 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8325 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8326 LINUX_DYNAMIC_LINKER): Define.
8327 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8328 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8329 GLIBC_DYNAMIC_LINKER64): Define.
8330 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8331 LINUX_DYNAMIC_LINKER64.
8332 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8333 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8334 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8335 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8336 LINUX_DYNAMIC_LINKER): Define.
8337 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8338 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8339 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8340 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8341 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8342 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8343 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8344 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8345 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8346 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8348 * doc/invoke.texi (-muclibc): Remove caveat about supported
8351 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8353 * doc/cpp.texi (__TIMESTAMP__): Document.
8355 2006-02-17 Roger Sayle <roger@eyesopen.com>
8358 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8359 C is one less than the width of X (and related transformations).
8360 * simplify-rtx.c (simplify_unary_operation_1): Transform
8361 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8362 depending on STORE_FLAG_VALUE, were C is one less then the
8365 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8367 Fix PR tree-optimization/26341
8368 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8369 about NAME_MEMORY_TAG's.
8371 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8374 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8375 with hardware float support, and software float support. Add fcpy
8376 alternative to hardware patterns. Add alternatives to copy between
8377 general and floating-point registers to the 32-bit pattern.
8378 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8379 secondary reload to load a QI or HI mode constant into a floating
8381 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8382 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8384 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8387 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8389 (load_macho_picbase_di): Likewise.
8391 2006-02-16 Jeff Law <law@redhat.com>
8393 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8394 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8395 (ssa_name_nonzero_p): Likewise.
8396 (get_value_range): Return NULL if VRP is not running.
8397 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8398 VRP routines do not discover a range.
8399 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8400 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8401 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8402 (tree_expr_nonnegative_p): Similarly.
8403 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8404 (restore_nonzero_vars_to_original_value): Remove.
8405 (unsafe_associative_fp_binop): Remove.
8406 (tree_ssa_dominator_optimize): Remove initialization and
8407 finalization of nonzero_vars and nonzero_vars_stack.
8408 (dom_opt_initialize_block): No longer push marker on
8410 (dom_opt_finalize_block): No longer call
8411 restore_nonzero_vars_to_original_value.
8412 (record_equivalences_from_phis): No longer look for
8413 nonzero PHI arguments.
8414 (cprop_into_successor_phis): No longer propagate nonzero
8415 property into PHI arguments. Lose unused argument. Caller
8417 (record_equivalences_from_stmt): No longer record nonzero
8418 values for SSA_NAMEs.
8419 (lookup_avail_expr): No longer use nonzero_vars.
8421 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8422 for sizetype when sizetype is unsigned.
8424 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8426 PR rtl-optimization/25603
8427 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8428 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8429 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8430 with new meaning of SETS.
8432 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8437 * config/linux.opt: New file.
8438 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8439 LINUX_DYNAMIC_LINKER): Define.
8440 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8441 * config.gcc (*-*-linux*): Define extra_options.
8442 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8443 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8444 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8445 GLIBC_DYNAMIC_LINKER.
8446 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8447 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8448 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8449 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8450 * doc/invoke.texi (GNU/Linux Options): New section.
8452 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8454 * config/sparc/sparc.md (setjmp): Rewrite.
8455 (setjmp_32): Delete.
8456 (setjmp_64): Likewise.
8458 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8460 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8463 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8465 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8468 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8470 PR rtl-optimization/26296
8471 * Makefile.in (loop-invariant.c): Add except.h dependency.
8472 * loop-invariant.c: Include except.h.
8473 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8475 2005-02-16 Paul Brook <paul@codesourcery.com>
8477 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8480 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8482 PR rtl-optimization/25636
8483 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8484 when deciding whether an insn is an initializing insn.
8486 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8488 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8489 (tree_code_size): Ditto.
8490 * tree.h (struct tree_memory_tag): Remove parent_var.
8491 (struct tree_struct_field_tag): New.
8494 (union tree_node): Add sft member.
8495 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8497 (create_sft): Add size and offset argument, set SFT_OFFSET and
8499 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8500 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8501 * tree-flow-inline.h (get_subvar_at): Update for
8502 SFT_OFFSET/SFT_SIZE.
8503 (var_can_have_subvars): Ditto.
8504 (overlap_subvar): Ditto.
8505 * print-tree.c (print_node): Print out interesting things for
8507 * tree-flow.h (struct subvar): Remove offset and size members.
8508 * tree-ssa-operands.c (get_expr_operands): Update for
8509 get_indirect_ref_operands changes.
8510 (get_indirect_ref_operands): Call add_virtual_operand instead of
8511 add_stmt_operand. Only recurse on base var if requested.
8512 (access_can_touch_variable): New function.
8513 (add_stmt_operand): Split virtual operand handling into ...
8514 (add_virtual_operand): Here. Add offset, size, and for_clobber
8515 arguments. Prune alias sets.
8516 (add_call_clobber_ops): Call add_virtual_operand.
8518 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8521 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8523 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8524 than TREE_CODE as index into omp_clause_num_ops array.
8526 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8528 PR rtl-optimization/26184
8529 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8531 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8532 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8533 must_precede, must_follow and tobe_scheduled.
8536 * opts.c (common_handle_option): Free new_option pointer.
8537 * df-core.c (df_analyze): Free postorder pointer.
8539 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8541 * Makefile.in: Fix the examples about the use of stamps
8543 2006-02-15 Michael Matz <matz@suse.de>
8547 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8548 influenced by maximum_field_alignment or DECL_PACKED.
8549 (update_alignment_for_field): Ditto.
8550 (place_field): Ditto.
8551 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8554 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8556 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8557 (debug_flow_info): Pass it.
8558 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8559 * bb-reorder.c (reorder_basic_blocks): Likewise.
8560 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8561 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8562 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8563 * gcse.c (gcse_main, bypass_jumps): Likewise.
8564 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8565 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8566 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8567 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8568 * rtl.h (dump_flow_info): Adjust prototype.
8569 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8570 * var-tracking.c (variable_tracking_main): Likewise.
8571 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8572 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8575 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8577 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8580 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8582 PR tree-optimization/26209
8583 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8584 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8586 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8588 2006-02-14 Roger Sayle <roger@eyesopen.com>
8591 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8592 (X,Y) and the corresponding symmetry related transformations.
8593 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8594 (X,Y) and its symmetry related transformations.
8596 2006-02-14 Roger Sayle <roger@eyesopen.com>
8598 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8601 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8603 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8605 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8608 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8609 support COMDAT group.
8610 * configure: Regenerate.
8612 2006-02-14 Roger Sayle <roger@eyesopen.com>
8617 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8619 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8621 Fix PR tree-optimization/26260
8623 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8625 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8626 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8627 * tree-ssa-structalias.c (create_variable_info_for): Use
8628 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8630 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8632 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8634 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8635 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8636 of the ending condition.
8637 * tree-ssa-loop-manip.c: Include params.h.
8638 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8639 tree_unroll_loop): New functions.
8640 * tree-pass.h (pass_loop_prefetch): Declare.
8641 * loop.c (rest_of_handle_loop_optimize): Test for
8642 -fprefetch-loop-arrays-rtl.
8643 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8644 * timevar.def (TV_TREE_PREFETCH): New timevar.
8645 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8646 pass_loop_prefetch): New.
8647 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8648 (cleanup_tree_cfg_loop): Call scev_reset.
8649 * common.opt (fprefetch-loop-arrays-rtl): Add.
8650 * tree-ssa-loop-prefetch.c: New file.
8651 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8652 (new_temp_expr_table): Initialize expr_vars.
8653 (free_temp_expr_table): Cleanup expr_vars.
8654 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8655 expressions from being merged into one.
8656 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8657 (struct tree_niter_desc): Add control, bound and cmp fields.
8658 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8660 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8661 (tree-cfgcleanup.o): Add SCEV_H dependency.
8662 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8663 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8665 2006-02-14 Richard Guenther <rguenther@suse.de>
8667 PR tree-optimization/26258
8668 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8669 in PHI argument processing.
8671 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8673 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8674 new expression in the requested machine mode.
8676 2006-02-13 Roger Sayle <roger@eyesopen.com>
8678 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8679 directly, instead let do_compare_rtx_and_jump handle this for us.
8680 * expr.c (expand_expr_real_1): Likewise.
8681 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8682 before do_jump_by_parts_greater.
8683 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8684 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8686 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8688 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8690 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8692 PR rtl-optimization/26235
8693 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8694 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8697 2006-02-13 Jeff Law <law@redhat.com>
8699 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8702 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8705 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8706 twice if decl is a builtin. When trying again, call get_callee_fndecl
8707 first to verify it is still a builtin.
8709 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8711 * dwarf2out.c (base_type_die): Don't add AT_name here.
8712 (subrange_type_die): Don't add AT_name here.
8713 (modified_type_die): Rearrange code flow. Do add AT_name here.
8715 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8717 PR rtl-optimization/26247
8718 PR rtl-optimization/26248
8719 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8721 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8723 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8724 * config/fixtfdi.c: Likewise.
8725 * config/fixunstfdi.c: Likewise.
8726 * config/floatditf.c: Likewise.
8728 2006-02-13 Roger Sayle <roger@eyesopen.com>
8731 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8732 into (X,C2) if C1 is a subset of the bits of C2. Transform
8733 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8735 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8737 2006-02-13 Josh Conner <jconner@apple.com>
8740 * varasm.c (function_section): Check for section name before
8741 calling select_section on targets that define
8742 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8743 unlikely_text_section instead of hot_function_section if
8744 first_function_block_is_cold.
8746 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8749 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8751 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8753 PR rtl-optimization/26222
8754 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8755 after tree->rtl expansion.
8756 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8757 before passing it to emit_move_insn.
8759 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8761 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8763 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8764 Clarify documentation.
8765 * c-common.h (warn_write_strings): Remove.
8766 * c-common.c (warn_write_strings): Likewise.
8767 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8770 2006-02-12 Roger Sayle <roger@eyesopen.com>
8773 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8774 (do_jump_parts_zero_rtx): New function renamed from
8775 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8776 (do_jump_parts_equality_rtx): New function split out from
8777 do_jump_parts_equality. Old implementation renamed as above.
8778 Call do_jump_parts_zero_rtx if either operand is zero.
8779 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8780 do all of the heavy lifting.
8781 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8782 calling either do_jump_by_parts_greater_rtx or
8783 do_jump_by_parts_equality_rtx.
8784 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8785 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8786 moved to do_compare_rtx_and_jump, call it directly.
8787 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8788 mode argument. Call do_compare_rtx_and_jump.
8789 (emit_case_nodes): Update calls to do_jump_if_equal.
8791 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8793 PR rtl-optimization/26225
8794 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8796 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8798 PR rtl-optimization/26232
8799 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8801 2006-02-11 Jason Merrill <jason@redhat.com>
8804 * tree-inline.c (declare_return_variable): Just don't use the
8805 modify target if it's a gimple complex reg and the return slot
8808 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8810 * doc/contrib.texi: Update my entry.
8812 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8814 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8816 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8818 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8821 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8823 * doc/invoke.texi (-floop-optimize2): Removed.
8824 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8825 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8826 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8827 * common.opt (floop-optimize2): Removed.
8828 (fmove-loop-invariants): Enabled by default.
8830 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8832 * tree-if-conv.c (combine_blocks): Free the result of
8833 get_loop_exit_edges.
8835 2006-02-10 Jeff Law <law@redhat.com>
8837 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8839 PR tree-optimization/26213
8840 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8841 loop trying to follow SSA_NAME_VALUE chains.
8843 2006-02-10 Richard Guenther <rguenther@suse.de>
8845 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8846 deal with structures that end in implicitly variable sized arrays.
8848 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8850 PR rtl-optimization/24762
8851 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8854 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8856 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8857 (struct ivopts_data): Add regs_used field.
8858 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8859 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8860 instead of loop_data->regs_used;
8861 (free_loop_data): Do not free aux fields for loops.
8862 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8863 and tree_ssa_iv_optimize_finalize.
8865 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8867 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8869 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8872 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8873 computing the effective result type.
8875 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8878 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8879 (tree_overlaps_hard_reg_set): Declare.
8880 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8881 type and signature to match function type expected by walk_tree.
8882 (tree_overlaps_hard_reg_set): New function.
8883 (decl_conflicts_with_clobbers_p): Rename to:
8884 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8885 Use tree_overlaps_hard_reg_set. Changed caller.
8886 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8887 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8888 * cris.c (cris_md_asm_clobbers): Likewise.
8890 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8892 * reload1.c (emit_input_reload_insns): Delete code that tries to
8893 inherit using find_equiv_reg.
8895 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8897 * c-common.h (flag_const_strings): Don't declare.
8898 * c-common.c (flag_const_strings): Remove.
8899 * c.opt (fconst_strings): Remove.
8900 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8901 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8902 (c_common_init_options): Don't set flag_const_strings.
8903 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8905 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8907 * arm.md (tlobits_cbranch): New pattern.
8908 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8909 testing a single bit.
8911 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8914 * tree-ssa-pre.c (create_component_ref_by_pieces):
8915 Handle RETURN_DECL like VAR_DECL.
8917 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8920 * fold-const.c (fold_indirect_ref_1): Fold
8921 "*(foo *)&complexfoo" to "__real__ complexfoo"
8922 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8924 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8926 * tree-flow-inline.h (var_can_have_subvars):
8927 Volatile variables should not have subvariables.
8929 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8932 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8933 multiplying unsigned values.
8936 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8938 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8940 2006-02-08 Jason Merrill <jason@redhat.com>
8943 * tree.def: Elaborate on difference from MODIFY_EXPR.
8944 * doc/c-tree.texi (INIT_EXPR): Likewise.
8945 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8946 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8947 (gimplify_target_expr): Likewise.
8948 (gimplify_cond_expr): Remove target handling.
8949 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8950 (gimplify_expr): Clobber it here.
8951 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8952 Do return slot optimization if we have an INIT_EXPR.
8955 * tree-inline.c (declare_return_variable): Also clear
8956 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8959 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8962 * gimplify.c (gimplify_one_sizepos): Fix typo.
8964 2006-02-08 Jeff Law <law@redhat.com>
8966 PR tree-optimization/21417
8967 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8968 across a backedge if the control statement at the end of the
8969 block is data dependent on other statements in the same block.
8970 (record_temporary_equivalences_from_stmts): Remove over-conservative
8971 test for threading across backedges.
8973 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8974 control statement, handle all three special cases in the same
8975 manner as they all have the same desired solution. No longer
8976 special case edge flag updating when the post dominator is
8979 2006-02-08 Roger Sayle <roger@eyesopen.com>
8981 * tree.def (CHAR_TYPE): Remove.
8982 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8983 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8984 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8985 (gen_string_type_die): Delete unreachable function.
8987 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8988 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8989 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8990 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8991 * builtins.c (type_to_class): Likewise.
8992 * fold-const.c (fold_convert, build_range_check,
8993 merge_ranges): Likewise.
8994 * expr.c (count_type_elements): Likewise.
8995 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8996 * stor-layout.c (layout_type): Likewise.
8997 * ipa-type-escape.c (type_to_consider): Likewise.
8998 * gimplify.c (omp_firstprivatize_type_sizes,
8999 gimplify_type_sizes): Likewise.
9000 * explow.c (promote_mode): Likewise.
9001 * tree-sra.c (is_sra_scalar_type): Likewise.
9002 * varasm.c (output_constant): Likewise.
9003 * tree-inline.c (remap_type_1): Likewise.
9004 * convert.c (convert_to_pointer, convert_to_real,
9005 convert_to_integer, convert_to_complex): Likewise.
9007 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9009 * df-scan.c (df_def_record_1): A set destination may
9010 be a parallel regardless of mode.
9012 2006-02-08 Roger Sayle <roger@eyesopen.com>
9015 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9016 * config/mips/_tilib.c: Remove.
9017 * config/fixtfdi.c: New libgcc source file.
9018 * config/fixunstfdi.c: New source file.
9019 * config/floatditf.c: New source file.
9020 * config/floatunditf.c: New souce file.
9021 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9022 files above instead of config/mips/_tilib.c.
9023 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9025 2006-02-08 Jeff Law <law@redhat.com>
9027 PR tree-optimization/26169
9028 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9031 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9033 * df.h (DF_REG_SIZE): Return the length of the initialized
9036 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9038 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9039 __muldf3): Return a correctly signed zero.
9041 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9043 * passes.c (register_one_dump_file): Accept the current properties
9044 instead of pass number. Adjust call to dump_register. Remove
9046 (register_dump_files): Now a wrapper around...
9047 (register_dump_files_1): ... this one. Do not modify the pass
9049 (next_pass_1): Cosmetic fix.
9050 (execute_todo): Keep second parameter only. Use curr_properties
9051 instead of fetching it from the pass structure. Check and set
9053 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9054 instead of fetching it from the pass structure. Fix calls to
9055 execute_todo. Update curr_properties and initialize .vcg RTL dump
9056 after running the pass. Reset last_verified.
9057 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9059 (FIRST_AUTO_NUMBERED_DUMP): New.
9060 (dump_register): Remove "num" parameter, assign it within the
9062 (get_dump_file_name): Modify template for dumps.
9063 * tree-dump.h (dump_register): Adjust prototype.
9064 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9065 (PROP_trees): Add PROP_gimple_lomp.
9066 (TODO_set_props): New.
9067 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9068 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9069 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9071 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9073 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9074 (sparc64-*-linux*): Likewise.
9075 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9076 * config/sparc/t-linux: New file.
9077 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9078 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9079 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9080 -m32 -mlong-double-128.
9082 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9083 * config/alpha/t-linux: New file.
9084 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9086 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9087 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9088 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9089 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9090 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9091 (CPP_ARCH32_SPEC): Remove.
9093 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9095 PR tree-optimization/26145
9096 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9099 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9102 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9103 >= 240000 when generating code for SOM runtime.
9104 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9105 to $$dyncall when generating code for SOM runtime..
9107 2006-02-07 Dirk Mueller <dmueller@suse.com>
9110 * doc/invoke.texi (-Wsequence-point): Update documentation
9111 that -Wsequence-point is implemented for C++ as well.
9113 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9115 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9116 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9117 (LIB_SPEC): Likewise.
9118 * doc/invoke.texi (SPARC options): Document -pthread.
9120 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9122 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9125 2006-02-07 Roger Sayle <roger@eyesopen.com>
9127 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9128 Correct comment describing BOOLEAN_TYPE.
9130 2006-02-07 Dirk Mueller <dmueller@suse.com>
9132 * c.opt: C++ frontend supports -Wdiv-by-zero.
9133 * c-opts.c (c_common_handle_option): Remove dead case.
9135 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9137 * configure.ac (TLS assembler check): Do not enable TLS by
9138 default on SPARC/Solaris before version 10.
9139 * configure: Regenerate.
9141 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9143 * doc/invoke.texi (xl-compat): Document conversion and support
9146 2006-02-07 Jeff Law <law@redhat.com>
9148 * tree-vrp.c (find_conditional_asserts): Update comments.
9149 (simplify_stmt_for_jump_threading): New.
9150 (identify_jump_threads, finalize_jump_threads): New.
9151 (vrp_finalize): Call identify_jump_threads.
9152 (execute_vrp): Call finalize_jump_threads.
9153 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9154 (vrp_element, vrp_data, vrp_element_p): Remove.
9155 (vrp_hash_elt, vrp_variables_stack): Remove.
9156 (vrp_hash, vrp_eq, record_range): Remove.
9157 (simplify_cond_and_lookup_avail_expr): Remove.
9158 (extract_range_from_cond): Remove.
9159 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9160 (simplify_stmt_for_jump_threading): New.
9161 (dom_thread_across_edge): New wrapper.
9162 (tree_ssa_dominator_optimize): No longer initialize or
9163 finalize any of the VRP datastructures. Remove iteration
9164 step and simplify as a result of removal of iteration step.
9165 (pass_dominator): Perform a cfg cleanup after DOM.
9166 (dom_opt_finalize_block): Use the new common routines
9167 for threading jumps. Simplify stack management slightly.
9168 No longer need to unwind VRP state.
9169 (record_equivalences_from_incoming_edge): No longer record
9171 (eliminate_redundant_computations): No longer call
9172 simplify_cond_and_lookup_avail_expr.
9173 * tree-flow.h (potentially_threadable_block): Prototype.
9174 (thread_across_edge): Likewise.
9175 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9176 (tree-ssa-threadedge.o): Add dependencies.
9177 * tree-ssa-threadedge.c: New file.
9178 * passes.c (init_optimization_passes): Merge PHIs before
9179 calling VRP. Run VRP again late in the SSA optimization pipeline.
9181 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9183 * df-core.c (df_set_blocks): Do not dereference function pointers.
9184 (df_finish1): Likewise.
9185 (df_hybrid_search_forward): Likewise.
9186 (df_hybrid_search_backward): Likewise.
9187 (df_iterative_dataflow): Likewise.
9188 (df_analyze_problem): Likewise.
9189 (df_compact_blocks): Likewise.
9190 (df_dump): Likewise.
9191 * df-scan.c (df_rescan_blocks): Likewise.
9192 (df_record_entry_block_defs): Likewise.
9194 * genconditions.c (write_conditions): Guard the definition of
9195 'insn_conditions' with the check on GCC version.
9196 (write_writer): Guard the traversal 'insn_conditions' with
9197 the check on GCC version.
9199 2006-02-07 Richard Guenther <rguenther@suse.de>
9203 2006-01-30 Richard Guenther <rguenther@suse.de>
9205 * gimplify.c (gimplify_target_expr): Handle easy cases
9206 without creating a temporary.
9208 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9210 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9211 use of float in probability computations. Use edge probabilities
9212 in place of statically computed probabilities.
9213 (min_spec_prob): New static variable.
9214 (schedule_insns): Initialize it.
9215 (GET_SRC_PROB): Removed.
9216 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9218 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9221 * config/ia64/unwind-ia64.c: Revert last change.
9222 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9223 (INCOMING_FRAME_SP_OFFSET): Define.
9225 2006-02-06 Roger Sayle <roger@eyesopen.com>
9227 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9229 2006-02-07 Ben Elliston <bje@au.ibm.com>
9231 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9232 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9233 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9234 (ix86_return_in_memory): Handle TDmode.
9235 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9236 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9238 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9240 * reorg.c (dbr_schedule): Use dump_file instead of file.
9242 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9245 * config/ia64/predicates.md (extr_len_operand): New predicate.
9246 * config/ia64/ia64.md (extv): Tighten constraints.
9248 (*tbit_and_2): Ditto.
9249 (*tbit_and_3): Ditto.
9250 (*tbit_or_2): Ditto.
9251 (*tbit_or_3): Ditto.
9255 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9258 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9260 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9262 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9263 loop_optimizer_init and loop_optimizer_finalize
9264 * tree-ssa-sink.c (execute_sink_code): Ditto.
9265 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9266 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9267 tree_ssa_loop_done): Ditto.
9268 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9269 * sched-ebb.c: Include output.h.
9270 (schedule_ebbs): Do not use dump argument.
9271 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9272 * loop.c (loop_dump_stream): Removed.
9273 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9275 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9276 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9277 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9278 loop_iterations, strength_reduce, record_biv, record_giv,
9279 final_giv_value, check_final_value, check_ext_dependent_givs,
9280 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9281 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9282 dump_file instead of loop_dump_stream.
9283 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9285 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9287 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9288 * haifa-sched.c: Include output.h
9289 (schedule_insns, sched_init): Do not use dump argument.
9290 * mode-switching.c (optimize_mode_switching): Ditto.
9291 * modulo-sched.c (stats_file): Removed.
9292 (print_node_sched_params): Do not call argument dump_file.
9293 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9294 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9296 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9298 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9299 rtl_loop_init, rtl_loop_done): Ditto.
9300 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9301 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9303 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9304 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9305 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9306 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9307 * emit-rtl.c (renumber_insns): Ditto.
9308 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9309 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9310 * regclass.c (regclass): Ditto.
9311 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9312 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9313 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9314 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9316 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9317 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9319 * gcse.c (gcse_file, debug_stderr): Removed.
9320 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9321 rest_of_handle_gcse): Do not use dump argument.
9322 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9323 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9324 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9325 compute_code_hoist_vbeinout, compute_code_hoist_data,
9326 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9327 compute_store_table, build_store_vectors, insert_insn_start_bb,
9328 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9329 store_motion): Use dump_file instead of gcse_file.
9330 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9331 * profile.c (profile_dump_file): Removed.
9332 (branch_prob): Use dump_file instead of profile_dump_file.
9333 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9335 * tree-ssa-copy.c (dump_copy_of): Ditto.
9336 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9337 dump file to life_analysis.
9338 * bt-load.c (branch_target_load_optimize): Ditto.
9339 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9341 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9342 regclass, dbr_schedule): Declaration changed.
9343 * sched-int.h (sched_init): Declaration changed.
9344 * tree-profile.c (tree_profile_dump_file): Removed.
9345 (tree_profile_hooks): Removed profile_dump_file hook.
9346 * rtl-profile (rtl_profile_dump_file): Removed.
9347 (rtl_profile_hooks): emoved profile_dump_file hook.
9348 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9350 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9351 * tree-cfg.c (build_tree_cfg): Ditto.
9352 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9353 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9354 Declaration changed.
9355 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9356 life_analysis and schedule_insns.
9357 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9359 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9361 * config/mips/mips.c (mips_reorg): Ditto.
9362 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9365 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9367 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9368 (s390_mangle_fundamental_type): New.
9369 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9372 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9373 (alpha_mangle_fundamental_type): New.
9374 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9377 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9379 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9381 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9382 (sparc_mangle_fundamental_type): New.
9384 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9386 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9387 (s390x-*-linux*): Likewise.
9388 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9389 * config/s390/t-linux: New file.
9391 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9393 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9394 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9396 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9398 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9399 (ANTIC_SAFE_LOADS): New macro.
9400 (find_or_generate_expression): Add prototype.
9401 (set_contains_value): Allow null set for sake of not always having
9402 to allocate ANTIC_SAFE_LOADS.
9403 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9404 Allow COMPONENT_REF too.
9405 (valid_in_set): Allow COMPONENT_REF.
9406 Check ANTIC_SAFE_LOADS too.
9407 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9408 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9410 (can_PRE_operation): Add COMPONENT_REF.
9411 (create_component_ref_by_pieces): New function.
9412 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9413 (insert_aux): Move AGGREGATE_TYPE_P check here.
9414 (compute_avail): Set bb local stmt uids.
9415 (pass_pre): Use TODO_update_ssa_only_virtuals.
9417 2006-02-06 Ben Elliston <bje@au.ibm.com>
9419 * configure.ac: Unconditionally disable decimal float by default.
9420 * configure: Regenerate.
9422 2006-02-06 Ben Elliston <bje@au.ibm.com>
9424 * read-rtl.c (read_name): Terminate reading on EOF.
9426 2006-02-06 Ben Elliston <bje@au.ibm.com>
9428 * dfp.c (decimal_real_arithmetic): Change second argument type
9429 from int to enum tree_code. Do not always return true, but now
9430 return result of any call to decimal_do helper functions.
9431 * dfp.h (decimal_real_arithmetic): Update prototype.
9433 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9435 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9437 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9440 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9443 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9445 * tree-vrp.c (cfg_loops): Removed.
9446 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9447 Use current_loops instead of cfg_loops. Pass flags to
9448 loop_optimizer_init.
9449 * cfgloopmanip.c (fix_loop_structure): Update only available
9451 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9452 loop_optimizer_init.
9453 * modulo-sched.c (build_loops_structure): Removed.
9454 (sms_schedule): Use loop_optimizer_init.
9455 * loop-init.c (loop_optimizer_init): Use flags to determine
9456 which properties of loops to prepare.
9457 (rtl_loop_init): Pass flags to loop_optimizer_init.
9458 * tree-ssa-sink.c (execute_sink_code): Ditto.
9459 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9460 * tree-ssa-pre.c (init_pre): Ditto.
9461 * cfgloop.h (LOOPS_NORMAL): New.
9462 (loop_optimizer_init): Declaration changed.
9464 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9466 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9467 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9469 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9471 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9473 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9474 * pa/t-pa64: Delete quadlib.c rule.
9475 * pa/x-ada: Revert last change.
9476 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9478 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9480 PR rtl-optimization/26087
9481 * rtlanal.c (canonicalize_condition): Do not cross basic block
9484 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9487 * config/ia64/ia64.c: Include debug.h.
9488 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9489 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9490 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9491 (process_epilogue, process_set, process_for_unwind_directive):
9492 Output unwind info only if requested. Add CFA info if requested.
9493 Add new arguments as needed. Adjust callers.
9494 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9496 (DWARF2_FRAME_INFO): Define to zero.
9497 * config/ia64/unwind-ia64.c: Remove code that compensated for
9498 the CFA offset error fixed above.
9499 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9500 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9501 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9502 -funwind-tables and -fexceptions to enable frame info.
9503 (dwarf2out_frame_init): Define initial CFA even if
9504 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9505 DWARF2_UNWIND_INFO is nonzero, not just defined.
9506 (dwarf2out_frame_finish): Output non-EH call frame info only
9507 if DWARF2_FRAME_INFO is nonzero.
9508 (convert_cfa_to_loc_list,
9509 compute_frame_pointer_to_cfa_displacement): Define even if
9510 unwind info is not supported.
9511 (gen_subprogram_die): Use the above unconditionally. Remove
9512 legacy alternate code.
9513 * toplev.c (compile_file): Compile in call to
9514 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9515 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9517 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9518 Jakub Jelinek <jakub@redhat.com>
9520 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9521 IBM extended float format long double as "g" on powerpc*-linux.
9523 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9526 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9527 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9529 2006-02-03 Jason Merrill <jason@redhat.com>
9532 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9535 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9536 on the return slot if it's an NRV.
9538 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9540 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9541 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9542 rewrite_use): Do not handle USE_OUTER.
9543 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9544 add_iv_outer_candidates, may_replace_final_value,
9545 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9546 (find_interesting_uses_op): Functionality of
9547 find_interesting_uses_outer_or_nonlin moved here.
9548 (find_interesting_uses_outside): Use find_interesting_uses_op.
9550 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9553 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9555 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9556 Ulrich Weigand <uweigand@de.ibm.com>
9559 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9560 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9561 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9562 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9564 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9565 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9566 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9567 Define secondary reloads for TFmode moves.
9568 (constant_modes): Add TFmode.
9569 (NR_C_MODES): Set to 8.
9570 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9572 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9573 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9574 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9575 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9576 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9577 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9578 (FPR mode macro): Add TFmode.
9579 (DSF mode macro): New.
9580 (<de>, <dee> mode attributes): Removed.
9581 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9582 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9583 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9584 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9585 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9586 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9587 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9588 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9589 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9590 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9591 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9592 "*negabs<mode>2", "sqrt<mode>2"):
9593 Changed <de> to <xde>. R constraint replaced by <Rf>.
9594 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9596 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9597 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9598 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9600 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9601 "extenddftf2", "extendsftf2"): New expanders.
9602 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9603 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9604 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9605 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9607 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9608 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9609 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9610 __floatditf): Add a GCC_4.1.0 symbol version tag.
9611 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9614 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9617 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9618 Use targetm.binds_local_p instead of TREE_PUBLIC.
9620 2006-02-02 Roger Sayle <roger@eyesopen.com>
9622 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9623 on INTEGER_TYPEs to indicate that it denotes a character type.
9624 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9625 signed_char_type_node, unsigned_char_type_node and char_type_node.
9626 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9627 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9628 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9630 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9631 Daniel Berlin <dberlin@dberlin.org>
9633 * tree-tailcall.c (arg_needs_copy_p): New function.
9634 (eliminate_tail_call): Use arg_needs_copy_p.
9635 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9636 (add_virtual_phis): New function.
9638 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9640 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9641 #ignore instead of #scratch for %g7 .register directive.
9643 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9645 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9648 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9650 * flow.c (calculate_global_regs_live): Assert that there aren't any
9653 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9655 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9657 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9658 bsi_after_labels iterator.
9659 * tree-if-conv.c (find_phi_replacement_condition,
9660 replace_phi_with_cond_modify_expr): Likewise.
9661 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9662 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9664 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9666 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9668 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9671 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9672 array after growing it.
9674 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9677 * fold-const.c (fold_checksum_tree): Change type of buf.
9679 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9681 * reload.c (push_secondary_reload): Initialize t_icode.
9683 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9685 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9686 -msoft-float -mlong-double-128 only issue a warning, but don't
9687 swich to DFmode long double.
9689 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9691 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9692 has a constant equivalent, iterate over equivalents for arg0,
9693 calling simplify_relational_operation and if there's a result
9694 cheaper than X, apply fold_rtx and return the result.
9696 2006-02-01 Jan Hubicka <jh@suse.cz>
9698 * opts.c (no_unit_at_a_time_default): New global variable.
9699 (decode_options): Use it.
9700 * opts.h (no_unit_at_a_time_default): Declare.
9702 2006-02-01 Paul Brook <paul@codesourcery.com>
9704 * function.c (assign_parm_setup_reg): Use function argument promotion
9706 * expr.c (expand_expr_real_1): Use function argument promotion rules
9709 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9711 * gcc.c (process_command): Change j to 'unsigned int'.
9713 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9716 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9717 Use the corrected index for the character
9718 out of the string constant.
9720 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9722 * mode-switching.c (optimize_mode_switching): Fix size
9723 allocated for bb_info[n_entities].
9725 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9727 * gcc.c (main): Correct type that is allocated for
9728 explicit_link_files.
9730 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9732 * config/s390/s390.c (init_alignment_context): Set
9733 ALIAS_SET_MEMORY_BARRIER on the MEM.
9734 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9736 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9739 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9741 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9744 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9746 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9747 * regrename.c: Ditto.
9748 * tree-ssa-loop-im.c: Ditto.
9749 * tree-dump.c: Ditto.
9750 * tree-complex.c: Ditto.
9751 * genrecog.c: Ditto.
9752 * tree-ssa-threadupdate.c: Ditto.
9754 * java/class.c: Ditto.
9755 * java/jcf-parse.c: Ditto.
9756 * java/resource.c: Ditto.
9757 * java/except.c: Ditto.
9758 * java/jvspec.c: Ditto.
9759 * java/jcf-write.c: Ditto.
9760 * java/jcf-path.c: Ditto.
9761 * java/gjavah.c: Ditto.
9762 * java/zextract.c: Ditto.
9763 * java/jcf-io.c: Ditto.
9764 * java/jcf.h: Ditto.
9765 * java/buffer.c: Ditto.
9766 * java/lang.c: Ditto.
9767 * java/parse-scan.y: Ditto.
9768 * java/lex.c: Ditto.
9769 * java/lex.h: Ditto.
9770 * cfgloopmanip.c: Ditto.
9771 * postreload-gcse.c: Ditto.
9772 * tree-ssa-loop-manip.c: Ditto.
9773 * postreload.c: Ditto.
9774 * tree-ssa-loop-ch.c: Ditto.
9778 * diagnostic.c: Ditto.
9780 * genoutput.c: Ditto.
9782 * cfghooks.c: Ditto.
9783 * cfgloopanal.c: Ditto.
9784 * objc/objc-act.c: Ditto.
9786 * genextract.c: Ditto.
9787 * genautomata.c: Ditto.
9788 * pretty-print.c: Ditto.
9790 * cgraphunit.c: Ditto.
9793 * haifa-sched.c: Ditto.
9794 * dominance.c: Ditto.
9796 * tree-ssa-loop-ivopts.c: Ditto.
9798 * mode-switching.c: Ditto.
9799 * modulo-sched.c: Ditto.
9801 * ipa-pure-const.c: Ditto.
9803 * fix-header.c: Ditto.
9805 * tree-stdarg.c: Ditto.
9806 * ipa-utils.c: Ditto.
9807 * loop-init.c: Ditto.
9808 * ipa-inline.c: Ditto.
9811 * alloc-pool.c: Ditto.
9812 * dwarf2out.c: Ditto.
9814 * genattrtab.c: Ditto.
9815 * tree-ssa-loop-ivcanon.c: Ditto.
9819 * fortran/gfortranspec.c: Ditto.
9821 * local-alloc.c: Ditto.
9822 * langhooks.c: Ditto.
9823 * function.c: Ditto.
9824 * tree-vectorizer.c: Ditto.
9826 * ipa-type-escape.c: Ditto.
9828 * tree-if-conv.c: Ditto.
9831 * tree-data-ref.c: Ditto.
9832 * loop-unroll.c: Ditto.
9833 * treelang/treetree.c: Ditto.
9836 * ggc-common.c: Ditto.
9838 * coverage.c: Ditto.
9840 * tree-cfgcleanup.c: Ditto.
9841 * tree-ssa-pre.c: Ditto.
9842 * cfgcleanup.c: Ditto.
9843 * loop-invariant.c: Ditto.
9845 * ipa-prop.c: Ditto.
9846 * print-tree.c: Ditto.
9847 * conflict.c: Ditto.
9848 * ggc-page.c: Ditto.
9849 * sched-deps.c: Ditto.
9850 * regclass.c: Ditto.
9851 * tree-object-size.c: Ditto.
9853 * bb-reorder.c: Ditto.
9854 * resource.c: Ditto.
9855 * var-tracking.c: Ditto.
9857 * df-problems.c: Ditto.
9858 * reg-stack.c: Ditto.
9861 * sched-rgn.c: Ditto.
9862 * tree-ssa-structalias.c: Ditto.
9863 * tree-ssa-reassoc.c: Ditto.
9864 * config/darwin-c.c: Ditto.
9865 * config/darwin.c: Ditto.
9866 * config/arm/arm.c: Ditto.
9868 * collect2.c: Ditto.
9871 2006-01-31 Nicolas Pitre <nico@cam.org>
9873 * arm.md (smaxsi3): Make aware of smax_m1.
9876 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9878 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9880 2006-01-31 Richard Guenther <rguenther@suse.de>
9882 * doc/invoke.texi (-msselibm): Document.
9883 * target.h (expand_library_builtin): New target hook.
9884 * builtins.c (expand_builtin): Use expand_library_builtin.
9885 (default_expand_library_builtin): New function.
9886 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9887 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9888 (link_gcc_math_spec): Declare.
9889 (static_specs): Add link_gcc_math_spec.
9890 * expr.h (default_expand_library_builtin): Declare.
9891 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9892 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9893 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9894 * config/i386/i386.opt (msselibm): New target option.
9895 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9896 (ix86_init_sse_abi_builtins): New function.
9897 (ix86_expand_library_builtin): Likewise.
9898 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9899 (override_options): Handle error conditions wrt -msselibm.
9900 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9901 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9902 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9905 2006-01-31 Richard Guenther <rguenther@suse.de>
9906 Paolo Bonzini <bonzini@gnu.org>
9908 * doc/install.texi (--disable-libgcc-math): Document.
9910 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9912 * expr.h (expand_normal): new inline function.
9913 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9915 * dwarf2out.c: use it.
9920 * config/sparc/sparc.c: use it.
9921 * config/i386/i386.c: use it.
9922 * config/rs6000/rs6000.c: use it.
9923 * config/arm/arm.c: use it.
9924 * config/mips/mips.c: use it.
9925 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9927 2006-01-30 Roger Sayle <roger@eyesopen.com>
9929 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9930 argv to the appropriate type.
9932 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9934 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9937 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9940 * config/s390/s390.c (struct machine_function): New flag
9941 decomposed_literal_pool_addresses_ok_p.
9942 (s390_reorg): Set it before final stage of literal pool transforms.
9943 (s390_decompose_address): Only accept displacements of the form
9944 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9946 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9948 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9949 the comparison routine return.
9951 2006-01-30 Michael Matz <matz@suse.de>
9953 * global.c (find_reg): Only evict for global regs.
9954 Take n_refs into account and dump more info.
9956 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9959 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9960 (pragma_trap, pragma_nosave_low_regs): Likewise.
9961 (current_function_anonymous_args): Likewise.
9962 (sh_deferred_function_attributes): New variable.
9963 (sh_deferred_function_attributes_tail): Likewise.
9964 (print_operand): For '@', look up trap_exit attribute.
9965 (calc_live_regs): Look up trapa_handler attribute. For trapa
9966 handlers, save/restore fpscr, but don't do any other
9967 interrupt-specific saves.
9968 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9969 Fix check for partially saved registers to check for SHmedia.
9970 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9971 (sh_output_function_epilogue): Don't clear any of the removed
9973 (sh_insert_attributes): Don't check pragma_interrupt.
9974 Insert deferred attributes. Check that interrupt attribute is
9975 present for other attributes that require its presence.
9976 (sh_attribute_table): Add new attributes trapa_handler and
9978 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9979 Don't check for pragma_interrupt. Don't store argument.
9980 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9981 (sh_deferred_function_attributes): Declare.
9982 (sh_deferred_function_attributes_tail): Likewise.
9983 * sh.md (sp_switch_1): Add operand. Change generator caller.
9984 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9985 (*return_i): Don't use when trap_exit attribute is in effect.
9986 (*return_trapa): New insn pattern.
9988 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9989 setting c_target_objs and cxx_target_objs.
9990 * t-sh: Add rule for sh-c.o.
9992 2006-01-30 Richard Guenther <rguenther@suse.de>
9995 * gimplify.c (gimplify_target_expr): Handle easy cases
9996 without creating a temporary.
9998 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10000 * vec.h (safe_grow): Remove duplicated line.
10002 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10005 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10006 (expand_omp): ... here.
10007 (expand_omp_parallel): Only remove barriers for combined
10008 parallel+workshare constructs.
10010 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10014 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10015 * tree.c (build_qualified_type): Chain the new type to the original
10016 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10017 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10018 (build_pointer_type_for_mode): Only return unqualified types.
10019 (build_reference_type_for_mode): Likewise.
10021 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10023 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10024 * Makefile.in (CXX_COMPAT_WARN): Define.
10025 * configure: Regenerate.
10027 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10030 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10033 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10035 * toplev.c: Fix thinko.
10037 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10038 Marcin Dalecki <martin@dalecki.de>
10040 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10041 (push_srcloc): Use XNEW.
10042 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10044 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10046 * df-core.c (df_set_blocks): Deleted all variable.
10048 2006-01-28 Ian Lance Taylor <ian@airs.com>
10050 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10051 cgraph_output_pending_asms.
10053 2006-01-28 Zack Weinberg <zackw@panix.com>
10055 * c.opt: Add -W(no-)overlength-strings.
10056 * doc/invoke.texi: Document it.
10057 * c-opts.c (c_common_handle_option): -pedantic implies
10058 -Woverlength-strings, if not explicitly disabled already.
10059 (c_common_post_options): -Woverlength-strings defaults to off, and
10060 is always off for C++.
10061 * c-common.c (fix_string_type): Issue warning about strings longer
10062 than is portable only if warn_overlength_strings. Rearrange code
10063 a little for clarity.
10064 * configure.in: Check for -Wno-overlength-strings as well before
10065 enabling -pedantic in stage 1.
10066 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10067 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10069 * genconditions.c (write_header, write_one_condition)
10070 (write_conditions, write_writer): Consolidate very long strings
10071 that were broken up to fit in C89 portable limit. Don't use
10072 printf when fputs will do.
10074 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10076 * combine.c (simplify_comparison <AND>): Check
10077 TRULY_NOOP_TRUNCATION before start using a subreg.
10079 * config/mips/mips.md (*branch_zero<mode>,
10080 *branch_zero<mode>_inverted, *branch_equality<mode>,
10081 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10082 Remove mode check from comparisons.
10084 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10086 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10088 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10090 * expmed.c (const_mult_add_overflow_p): Remove.
10091 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10093 * recog.c (validate_replace_rtx_subexp): Remove.
10094 * recog.h: Remove the prototype for
10095 validate_replace_rtx_subexp.
10097 * integrate.h: Remove the prototype for
10098 copy_decl_for_inlining.
10099 * rtl.h: Remove the prototype for mark_constant_function.
10100 * tree-vectorizer.h: Remove the prototype for
10101 vect_strip_conversion.
10103 * modulo-sched.c (create_partial_schedule,
10104 free_partial_schedule, reset_partial_schedule): Make them
10107 * hooks.c (hook_bool_rtx_int_false): Remove.
10108 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10110 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10112 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10113 and -mlong-double-128 are incompatible.
10114 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10115 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10116 (TARGET_LIBGCC2_CFLAGS): Define.
10117 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10118 (TARGET_LIBGCC2_CFLAGS): Same.
10119 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10121 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10124 * c-typeck.c (build_binary_op): Perform implicit casts of
10125 operands before shortening them.
10127 * cfgloopmanip.c (split_loop_bb): Remove.
10128 * cfgloop.h: Remove the prototype for split_loop_bb.
10130 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10131 * cfgloop.h: Remove the prototype for
10132 flow_loop_outside_edge_p.
10134 * emit-rtl.c (init_virtual_regs): Make it static.
10135 * function.h: Remove the prototype for init_virtual_regs.
10137 * recog.c (peephole2_optimize): Make it static.
10138 * recog.h: Remove the prototype for peephole2_optimize.
10140 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10142 * df-scan.c (df_record_entry_block_defs): Check if
10143 INCOMING_RETURN_ADDR_RTX is defined.
10145 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10146 Kenneth Zadeck <zadeck@naturalbridge.com>
10148 PR rtl-optimization/24762
10149 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10150 * targhooks.c (hook_void_bitmap): New hook prototype.
10151 * targhoohs.h (hook_void_bitmap): Ditto.
10152 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10153 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10154 * target.h (live_on_entry): New function pointer.
10155 * df-scan.c (df_all_hard_regs): Removed.
10156 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10157 (df_scan_free_internal): Added df->entry_block_defs.
10158 (df_scan_alloc): Ditto.
10159 (df_scan_dump): Ditto.
10160 (df_uses_record): Plumbed flag field properly thru calls.
10161 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10162 This part fixes PR24762.
10163 (df_bb_refs_record): Added code to make the frame and arg
10164 pointers live in EH blocks.
10165 (df_refs_record): Added call to df_record_entry_block_defs.
10166 (df_record_entry_block_defs): New function.
10167 * df-core.c: Added comments to describe new artifical defs.
10168 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10169 (entry_block_defs): New field in struct df.
10170 (df_all_hard_regs): Deleted.
10171 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10172 * df-problems.c (df_ru_bb_local_compute_process_def):
10173 Added code to handle artifical defs in the entry to a function.
10174 (df_ru_bb_local_compute): Ditto.
10175 (df_rd_bb_local_compute_process_def): Ditto.
10176 (df_rd_bb_local_compute): Ditto.
10177 (df_lr_bb_local_compute): Ditto.
10178 (df_ur_bb_local_compute): Ditto.
10179 (df_urec_bb_local_compute): Ditto.
10180 (df_chain_create_bb): Ditto.
10181 (df_ur_local_finalize): Removed entry.
10182 (df_urec_init): Ditto.
10183 (df_urec_local_finalize): Ditto.
10184 (df_ri_bb_compute): Added detection of last use of pseudos.
10185 * Makefile.in (df-scan.o): Updated dependencies.
10186 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10187 * config/mips/mips.c (mips_set_live_on_entry): Added.
10188 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10190 * dce.c (marked_insn_p): Added code to handle artifical defs.
10192 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10194 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10196 (_mm_cvtsi128_si64): Likewise.
10197 (_mm_cvtsd_si64): Likewise.
10198 (_mm_cvttsd_si64): Likewise.
10199 (_mm_cvtsi64_sd): Likewise.
10200 (_mm_cvtsi64_si128): Likewise.
10201 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10202 (_mm_cvtsi64_m64): Likewise.
10203 (_m_to_int64): Likewise.
10204 (_mm_cvtm64_si64): Likewise.
10205 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10206 (_mm_cvttss_si64): Likewise.
10207 (_mm_cvtsi64_ss): Likewise.
10208 (_mm_cvtss_f32): Likewise.
10210 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10212 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10213 for pragma redefine_extname.
10215 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10218 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10219 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10220 -mno-minimal-toc to previous content.
10221 (bispecs): Remove goal.
10222 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10223 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10224 compatibility aliases on powerpc-*-*gnu*.
10225 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10226 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10227 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10228 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10229 (ldblspecs): New goal.
10230 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10231 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10233 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10234 L_sf_to_tf or L_df_to_tf is defined.
10236 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10237 Alan Modra <amodra@bigpond.net.au>
10240 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10241 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10242 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10243 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10244 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10245 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10246 (rs6000_override_options): Initialize rs6000_ieeequad.
10247 Initialize TFmode format to ibm_extended_format if not
10249 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10251 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10252 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10253 (function_arg_advance): IBM long double passed in two FPRs, not
10255 (function_arg): IBM long double passed in FPRs.
10256 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10257 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10258 Only multireg GPR aligned.
10259 (rs6000_init_libfuncs): Enable IBM long double functions if not
10261 (rs6000_generate_compare): Use IBM long double compare if not
10263 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10264 (TARGET_IEEEQUAD): Define.
10265 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10266 not TARGET_IEEEQUAD.
10267 * config/rs6000/rs6000.md: Enable TFmode patterns if
10269 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10270 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10271 and -mlong-double-128 are incompatible.
10272 * doc/invoke.texi (-mabi): Collect options together. Add
10273 ibmlongdouble and ieeelongdouble.
10275 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10277 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10279 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10280 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10281 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10282 * rtl.h (rtunion_def): Remove rt_ptr.
10284 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10285 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10286 * config/i386/winnt.c (i386_pe_mark_dllexport)
10287 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10289 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10291 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10293 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10297 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10298 pthread_key_delete. From John David Anglin. gthrw-ify
10299 pthread_getunique_np only if it it's not a macro. Delete
10301 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10302 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10303 __gthread_objc_condition_signal, __gthread_key_delete): Add
10304 "__attribute__ ((__unused__))" to unused arguments.
10305 (__gthread_recursive_mutex_init_function): Add missing return.
10306 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10307 gthr-posix95.h: Use macro-based approach for name redirection
10308 on targets missing weakref.
10310 2006-01-26 Zack Weinberg <zackw@panix.com>
10312 * genconditions.c (write_header): In generated code, #ifdef out
10313 all includes and fake declarations, except includes of bconfig.h
10314 and system.h, unless GCC_VERSION >= 3001. Do not include
10315 gensupport.h in any case.
10316 (write_conditions): Generate a definition of struct c_test. Add
10317 a comment to the generated #endif.
10318 (write_one_condition): Escape backslashes in string too.
10319 (write_writer): Generated code must escape backslashes and quote
10320 marks (but not newlines) in the strings it writes.
10321 * Makefile.in (build/gencondmd.o): Update dependencies.
10323 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10326 * Makefile.in (insn-automata.o): Add header file dependencies.
10327 * genautomata.c: Add includes.
10329 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10332 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10334 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10336 * configure.ac: Expect target tools paths to be passed from the toplevel
10337 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10339 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10341 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10344 * c.opt (Wpointer-sign): Init to -1.
10345 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10346 OPT_pedantic, to 0 otherwise.
10347 * doc/invoke.texi: Update.
10349 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10351 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10352 constants provided by 80387 instructions in the destination mode.
10354 2006-01-26 Richard Guenther <rguenther@suse.de>
10355 Andrew Pinski <pinskia@physics.uc.edu>
10358 partial PR tree-opt/17064
10359 * tree-ssa-structalias.c (intra_create_variable_infos):
10360 Create heap variables for incoming parameters if
10361 flag_argument_noalias > 1.
10362 (find_what_p_points_to): Look through default defs of
10365 2006-01-26 Jeff Law <law@redhat.com>
10368 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10369 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10370 within the VR_RANGE, use the VR_RANGE as the result, not the
10372 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10373 bounds for the type.
10375 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10377 * tree-ssa-alias.c (maybe_create_global_var): Change
10378 subvar walking to an assertion that we don't have subvar'd variables.
10380 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10383 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10384 Use a new variable, inner. PARM_DECLs are always non-weak.
10386 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10388 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10389 --disable-checking.
10391 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10393 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10395 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10397 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10398 (smax_insn, smin_insn, smax_0, smin_0): New.
10400 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10403 * config/cris/cris.c (cris_order_for_addsi3): New function.
10404 * config/cris/cris-protos.h: Prototype it.
10405 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10406 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10407 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10408 (split for "op.S1 [rx=rx+i],ry (swapped)")
10409 (split for "op(s|u).S1 [rx=rx+i],ry")
10410 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10411 Apply cris_order_for_addsi3 when generating addsi3 insns.
10413 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10415 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10416 (TREE_BLOCK): Add call to EXPR_CHECK.
10418 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10421 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10422 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10423 (dump_omp_clauses): ... here.
10424 (dump_generic_node): Handle OMP_CLAUSE.
10425 * tree.c (omp_clause_num_ops): New.
10426 (omp_clause_code_name): New.
10427 (tree_code_size): Handle OMP_CLAUSE.
10428 (tree_size): Likewise.
10429 (make_node): Document handling of OMP_CLAUSE.
10430 (tree_node_structure): Handle OMP_CLAUSE.
10431 (omp_clause_check_failed): New.
10432 (omp_clause_range_check_failed): New.
10433 (omp_clause_operand_check_failed): New.
10434 (build_omp_clause): New.
10435 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10436 * tree.h (enum omp_clause_code): Declare.
10437 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10438 (OMP_CLAUSE_RANGE_CHECK): Define.
10439 (OMP_CLAUSE_ELT_CHECK): Define.
10440 (omp_clause_check_failed): Declare.
10441 (omp_clause_operand_check_failed): Declare.
10442 (omp_clause_range_check_failed): Declare.
10443 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10444 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10445 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10446 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10447 (OMP_CLAUSE_IF_EXPR): Likewise.
10448 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10449 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10450 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10451 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10452 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10453 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10454 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10455 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10456 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10457 (OMP_CLAUSE_CODE): Define.
10458 (OMP_CLAUSE_SET_CODE): Define.
10459 (OMP_CLAUSE_CODE): Define.
10460 (OMP_CLAUSE_OPERAND): Define.
10461 (struct tree_omp_clause): Declare.
10462 (union tree_node): Add field 'omp_clause'.
10463 * treestruct.def (TS_OMP_CLAUSE): Define.
10464 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10465 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10466 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10467 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10468 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10469 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10470 (OMP_CLAUSE): Define.
10471 * print-tree.c (print_node): Handle OMP_CLAUSE.
10472 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10473 * c-typeck.c: Likewise.
10474 * gimplify.c: Likewise.
10475 * c-omp.c: Likewise.
10476 * tree-nested.c: Likewise.
10477 * tree-inline.c: Likewise.
10478 * c-parser.c: Likewise.
10479 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10482 2006-01-25 Roger Sayle <roger@eyesopen.com>
10484 PR rtl-optimization/25703
10485 * combine.c (try_combine): Handle zero_extract and strict_low_part
10486 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10488 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10490 * global.c: Fix comment typos.
10492 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10495 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10496 Use output_addr_const instead of assemble_name.
10498 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10500 * Makefile.in (sched-vis.o): Update dependencies.
10501 * haifa-sched.c (sched_finish): Clear current_sched_info.
10502 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10503 (dump_flow_info): Call it.
10504 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10506 * basic-block.h (dump_bb_info): Declare.
10507 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10508 option, and apply options only for dump files whose TDF_RTL,
10509 TDF_TREE, or TDF_IPA bits match.
10510 * rtl.h: Declare new functions exported from sched-vis.c.
10511 * sched-vis.c: Enable also if scheduling is not used.
10512 (print_value): Print the mode of registers if not inside scheduling.
10513 (print_insn): Make it work outside the scheduler. Beautify the output
10515 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10517 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10519 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10520 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10521 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10522 depending on the value of CONSTANT_POOL_ADDRESS_P.
10523 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10525 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10526 rather than SYMBOL_REF_DECL.
10527 (rtx_constant_pool): Remove const_rtx_sym_htab.
10528 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10529 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10530 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10531 Remove handling of const_rtx_sym_htab.
10532 (find_pool_constant): Delete.
10533 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10534 rather than find_pool_constant.
10535 (get_pool_constant_for_function): Delete.
10536 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10537 find_pool_constant.
10538 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10539 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10540 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10541 (SYMBOL_REF_CONSTANT): New macro.
10542 (get_pool_constant_for_function): Delete.
10543 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10544 rather than SYMBOL_REF_DECL.
10545 (i386_pe_mark_dllimport): Likewise.
10546 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10547 rather than SYMBOL_REF_DECL.
10548 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10549 (machopic_indirect_call_target): Likewise.
10551 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10553 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10555 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10557 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10559 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10561 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10563 2006-01-24 David Daney <ddaney@avtrex.com>
10566 * configure.ac (enable_tls): New enable option.
10567 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10568 * configure: Regenerate.
10569 * doc/install.texi (--enable-tls): Document new option.
10570 (--disable-tls): Ditto.
10572 2006-01-24 Richard Henderson <rth@redehat.com>
10574 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10575 * alias.c (true_dependence): Respect it.
10576 (canon_true_dependence, write_dependence_p): Likewise.
10577 * builtins.c (get_builtin_sync_mem): Set it.
10579 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10581 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10584 2006-01-24 DJ Delorie <dj@redhat.com>
10586 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10587 for storing constants in single-bit bitfields.
10589 2006-01-25 Ben Elliston <bje@au.ibm.com>
10591 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10593 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10596 * tree-ssa-pre.c (phi_translate): Return NULL
10597 for AGGREGATE_TYPE's.
10599 2006-01-24 Zack Weinberg <zackw@panix.com>
10601 * genautomata.c (process_state_for_insn_equiv_partition):
10602 Use xcalloc for insn_arcs_array.
10603 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10604 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10606 2006-01-24 Richard Henderson <rth@redhat.com>
10608 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10609 update all callers.
10611 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10613 PR rtl-optimization/25890
10614 PR rtl-optimization/25905
10615 * combine.c (expand_compound_operation, expand_field_assignment):
10616 Fail if the bitfield's final position is out of bounds.
10618 2006-01-24 Ian Lance Taylor <ian@airs.com>
10620 PR middle-end/25930
10621 * cgraphunit.c (cgraph_output_in_order): Don't clear
10622 cgraph_asm_nodes until after asm strings have been output.
10624 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10626 * fix-header.c (read_scan_file): Add new parameter imultilib when
10627 calling register_include_chains.
10629 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10631 * omp-low.c: Update documentation.
10633 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10634 Daniel Berlin <dberlin@dberlin.org>
10638 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10639 return from the function.
10641 2006-01-22 Zack Weinberg <zackw@panix.com>
10643 * rtl.def (match_code): Add second argument.
10644 * genpreds.c (write_extract_subexp): New function.
10645 (write_match_code): Add path argument. Use write_extract_subexp.
10646 (write_predicate_expr): Pass path to write_match_code.
10647 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10648 not perform a mode test.
10649 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10650 a subexpression does not constrain the top-level code set.
10651 * read-rtl.c (read_rtx_variadic): New function.
10652 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10653 * doc/md.texi: Document new notation.
10654 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10655 (cmpsi_operand): ... here, using new notation.
10657 2006-01-22 Zack Weinberg <zackw@panix.com>
10659 * varray.c: Remove GENERATOR_FILE #ifdefs.
10661 2006-01-22 Zack Weinberg <zackw@panix.com>
10663 * genautomata.c (output_reserved_units_table): Emit nothing if
10664 description->query_units_num is zero. Remove extra blank line.
10665 (output_cpu_unit_reservation_p): Short circuit
10666 if description->query_units_num is zero.
10668 2006-01-22 Zack Weinberg <zackw@panix.com>
10670 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10671 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10672 nor any of the random handful of variables that used to be necessary
10673 when this program was linked with rtlanal.o. Prune set of forward
10674 function declarations.
10675 (struct attr_desc): Remove static_p field.
10676 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10677 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10678 (attr_string): Do not read the character one past the length of
10680 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10681 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10682 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10683 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10684 (make_automaton_attrs): New.
10685 (main): Do not call into genautomata. Call local gen_bypass
10686 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10687 Remove special case for insn_alts.
10688 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10689 varray.h (leftover from previous change). Prune set of forward
10690 function declarations. Remove state_alts fields from all
10691 structures. Remove state_alts_table from struct automaton.
10692 Make everything except main static. Do not maintain num_dfa_decls.
10693 Do not maintain state_alts fields of various structures.
10694 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10695 (add_arc): Remove state_alts argument. All callers updated.
10696 (output_reserved_units_table): Emit #ifdef here...
10697 (output_tables): ...not here. Don't generate state_alts tables.
10698 (expand_automata): Don't generate attributes.
10699 (write_automata): Don't generate state_alts functions.
10700 (main): New function.
10701 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10702 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10703 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10704 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10705 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10706 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10707 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10708 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10710 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10711 * genattrtab.h: Delete file.
10712 * Makefile.in (OBJS-common): Add insn-automata.o.
10713 (insn-automata.o): New rule.
10714 (simple_generated_c): Add insn-automata.c.
10715 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10716 (genprogmd): Add automata.
10717 (build/genattrtab): Needs no extra objects nor libraries.
10718 (build/genautomata): Needs build/vec.o and -lm.
10720 2006-01-22 Zack Weinberg <zackw@panix.com>
10722 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10723 (output_dfa_max_issue_rate, locked_states_num): Delete.
10724 (struct automaton): Add locked_states field.
10725 (output_dead_lock_vect): Save number of locked states in
10726 automaton->locked_states. If it is zero, don't print anything.
10727 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10728 (output_internal_dead_lock_func): Only test the dead_lock_vect
10729 for automata that have locked states.
10730 (output_statistics): Always print the number of locked states for
10731 each automaton. Calculate total number of locked states here.
10732 (write_automata): Don't call output_dfa_max_issue_rate.
10733 * genattrtab.c: Define length_unit_log as a const variable.
10734 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10735 max_insn_queue_index const.
10736 * final.c (length_unit_log): Declare const.
10737 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10739 2006-01-22 Zack Weinberg <zackw@panix.com>
10741 * genautomata.c: Include vec.h, not varray.h.
10742 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10743 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10744 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10745 VEC_* macros operating on appropriately typed vectors, or to
10746 malloced arrays when the size is known in advance. Const-ify
10747 many char* variables and function arguments. No functional changes.
10748 * Makefile.in (build/varray.o): Delete rule.
10749 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10750 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10752 2006-01-22 Zack Weinberg <zackw@panix.com>
10754 * gensupport.c: Define get_insn_name and record_insn_name here.
10755 (read_md_rtx): Call record_insn_name as appropriate.
10756 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10757 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10758 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10760 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10761 (BUILD_VARRAY): Delete.
10762 (genprognormal): Rename genprogmd. Fold in all programs from
10763 genprognoprint; also attrtab.
10764 (build/genattrtab): Just mention genautomata.o and varray.o.
10765 Reorganize a bit, add comments to make the categories clearer.
10767 2006-01-22 Zack Weinberg <zackw@panix.com>
10769 * genconditions.c (condition_table, add_condition): Delete.
10770 (write_conditions): Don't emit n_insn_conditions nor
10771 insn_elision_unavailable. Issue the gcc version #ifdef here,
10772 inside the table, with no #else clause ...
10773 (write_header): ...not here.
10774 (write_writer): New function.
10775 (main): Don't initialize condition_table. Use add_c_test.
10777 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10778 files on the command line.
10779 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10780 Return -1 if there is no entry in the table, don't abort.
10781 (add_c_test, traverse_c_tests): New functions.
10782 * gensupport.h (insn_elision_unavailable, insn_conditions)
10783 (n_insn_conditions): Delete declarations.
10784 (add_c_test, traverse_c_tests): Declare.
10785 * read-rtl.c: Include gensupport.h.
10786 (read_conditions): New function.
10787 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10788 (read_rtx_1): If we get EOF when we were looking for an initial
10789 open paren, return 0. Call read_conditions when appropriate.
10790 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10791 dummy-conditions.o. Eliminate references to insn-conditions.o,
10792 or change them to build/gencondmd.o, as appropriate. Remove
10793 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10794 from $(simple_generated_c). For all files remaining in those
10795 two lists, add insn-conditions.md to the generator command line.
10796 Give insn-constants.h/s-constants their own rules. Add rules
10797 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10798 (build/read-rtl.o): Depend on gensupport.h.
10799 (genprognormal): Include preds.
10800 (genprogearly): Rename genprognoprint; only difference is now that
10801 they don't link with $(BUILD_PRINT).
10802 * dummy-conditions.c: Delete.
10804 2006-01-22 Zack Weinberg <zackw@panix.com>
10806 * genextract.c: Don't include insn-config.h. Do include vec.h.
10807 Declare vectors of int, char, and locstr.
10808 (locstr): New typedef.
10809 (struct extraction): Make all array fields into bare pointers.
10810 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10811 (insn_code_number): Delete.
10812 (accum_extract): New struct.
10813 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10814 (gen_insn): Take insn_code_number as an argument. Use an
10815 accum_extract structure instead of loading data directly into
10816 a struct extraction, and having to know how big it might get.
10817 (walk_rtx): Operate entirely on an accum_extract structure.
10818 (print_path): Avoid unnecessary use of printf.
10819 (print_header): New function, split out of main. Distinguish
10820 more carefully between an unrecognizable insn and an insn that
10821 has the code number of a define_expand.
10822 (main): Pass insn_code_number to gen_insn. Call print_header
10823 only after parsing. Avoid unnecessary use of printf.
10824 * Makefile.in (build/vec.o): New rule.
10825 (build/genextract): Depend on build/vec.o.
10826 (build/genextract.o): Don't depend on insn-config.h.
10828 2006-01-22 Zack Weinberg <zackw@panix.com>
10830 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10831 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10832 practical. Eliminate per-generator-program link rules.
10834 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10836 PR middle-end/24437
10837 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10838 with a call expr to ...
10839 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10841 2006-01-23 Richard Guenther <rguenther@suse.de>
10843 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10844 before make_edge with conditional EDGE_TRUE_VALUE.
10846 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10847 Jan Hubicka <jh@suse.cz>
10848 Richard Guenther <rguenther@suse.de>
10850 PR rtl-optimization/25654
10851 * cfgexpand.c (aggregate_contains_union_type): New function.
10852 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10853 for structure variables that contain a union type.
10855 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10857 * gengtype.c (new_structure): Return the structure.
10858 (create_option): Add an extra "next" argument.
10859 (create_field): New function.
10860 (adjust_field_rtx_def): Use create_option and create_field.
10861 Remove a now-unnecessary call to find_structure.
10862 (adjust_field_tree_def): Likewise.
10863 (note_yacc_type): Remove an unnecessary call to find_structure.
10864 * gengtype.h (new_structure): Return the structure.
10865 (create_option): Add an extra argument.
10866 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10867 (option): Adjust calls to create_option.
10869 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10871 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10873 2006-01-22 Paul Brook <paul@codesourcery.com>
10874 Peter Barada <peter@the-baradas.com>
10876 * config/m68k/m68k.md: Add Coldfire FPU support.
10877 Define FP mode macro and associated attributes.
10878 Use it for float mode patterns.
10879 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10880 (LIBCALL_VALUE): Use m68k_libcall_value.
10881 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10882 (m68k_function_value): Ditto.
10883 (emit_move_sequence): Ditto.
10884 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10885 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10886 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10887 (MULTILIB_EXCEPTIONS): Ditto.
10888 * config/m68k/m68k.opt: Add mcfv4e.
10889 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10890 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10891 (m68k_output_function_prologue): Save ColdFire FPU registers.
10892 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10893 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10894 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10895 ColdFire FPU registers.
10896 (m68k_libcall_value, m68k_function_value): New functions.
10897 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10898 (LIBCALL_VALUE): Use m68k_libcall_value.
10899 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10900 (MASK_COLDFIRE): Add MASK_CFV4E.
10901 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10902 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10903 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10904 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10905 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10906 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10907 * doc/invoke.tex: Document -mcfv4e on m68k.
10909 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10911 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10914 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10917 * c-opts.c (c_common_handle_option): Don't include
10918 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10919 * doc/invoke.texi (C++ Dialect Options): Document that
10920 -Wnon-virtual-dtor is no longer included in -Wall.
10922 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10924 * gcov.c (print_version), gcov-dump.c (print_version),
10925 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10928 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10930 * df-scan.c (problem_SCAN): Added NULL reset function.
10931 (df_scan_reset_blocks): Added code to call reset block function
10932 (df_bb_refs_delete) Fixed comment.
10933 (df_insn_refs_delete): Made tolerant of deleting non existent info
10934 for dataflow problems that need to be reset.
10935 * df-core.c (df_set_blocks): Ditto.
10936 * df.h (struct df_problem): Added reset_fun.
10937 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10938 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10939 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10940 functions to clear out all references to def-use or use-def chains.
10942 2006-01-21 Ben Elliston <bje@au.ibm.com>
10944 * varasm.c (assemble_real): Initialise data array.
10946 2006-01-20 Paul Brook <paul@codesourcery.com>
10948 Merge from csl-arm-branch.
10949 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10950 * config/arm/arm.md (movdi): Force operands[1] to a register
10951 if we have a non-register source.
10952 (*arm_movdi, *movdf_soft_insn): Require that one of the
10953 operands be a register.
10954 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10955 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10957 2006-01-20 DJ Delorie <dj@redhat.com>
10959 * varasm.c (initializer_constant_valid_p): Allow pointers
10960 initialized from integer constants of lesser precision.
10961 (output_constant): Allow non-int-sized pointer modes to be
10962 initialized from integer constants.
10964 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10967 * cppdefault.h (struct default_include): Add multilib flag.
10968 * cppdefault.c (cpp_include_defaults): Set it.
10969 * c.opt (-imultilib): New option.
10970 * c-opts.c (imultilib): New.
10971 (c_common_handle_option): Handle -imultilib.
10972 (c_common_post_options): Likewise.
10973 * c-incpath.c (add_standard_paths, register_include_chains):
10975 * c-incpath.h (register_include_chains): Add extra parameter.
10976 * gcc.c (do_spec_1): Generate -imultilib option.
10977 (The Specs Language): Update %I description.
10978 (process_command): Update copyright notice.
10979 * doc/cppopts.texi (-imultilib): Document.
10980 * doc/invoke.texi (-imultilib): Include in option summary.
10981 (%I): Update specs documentation.
10983 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10985 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10987 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10989 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10992 2006-01-20 Richard Guenther <rguenther@suse.de>
10993 Steven Bosscher <stevenb.gcc@gmail.com>
10995 PR rtl-optimization/24626
10996 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10997 EDGE_TRUE_VALUE if in RTL mode.
11000 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11001 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11003 2006-01-20 Dirk Mueller <dmueller@suse.com>
11006 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11007 instead of a special NOP marker.
11008 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11009 NOP marker handling.
11010 * c-common.h (empty_body_warning): Add forward declaration.
11011 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11012 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11014 2006-01-20 Paul Brook <paul@codesourcery.com>
11016 * Makefile.in (lang_checks): Keep going if mkdir fails.
11018 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11020 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11021 be able to clean out basic block when not necessary.
11022 (df_scan_free): Fixed to properly delete information if df is
11023 unused before calling df_finish.
11024 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11025 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11027 (df_bb_refs_delete): New function.
11028 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11029 * df-core.c (df_set_blocks): Added code to properly clean out
11030 unused blocks if they are not part of the blocks to consider.
11031 Added additional null check.
11032 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11033 be able to clean out basic block when not necessary
11034 * df.h (df_free_bb_function): Ditto.
11035 (df_bb_refs_delete): New function.
11036 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11037 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11038 basic block parameter to be able to clean out basic block when not
11040 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11041 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11042 Fixed to properly delete information if df is unused before
11045 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11047 PR rtl-optimization/25799
11048 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11049 Corrected confluence operator to remove bits from op2 before oring
11050 with op1 rather than removing bits from op1.
11051 (df_ru_transfer_function): Corrected test on wrong bitmap which
11052 caused infinite loop. Both of these problems were introduced in
11053 the dataflow rewrite.
11055 2006-01-19 DJ Delorie <dj@redhat.com>
11057 * reload1.c (find_reload_regs): Note the details of reload
11058 failures in the dump file.
11059 (spill_failure): Likewise.
11061 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11063 * loop-iv.c: Include df.h and hashtab.h.
11064 (enum iv_grd_result): New enum.
11065 (DF_REF_IV, DF_REF_IV_SET): New macros.
11066 (struct biv_entry): New.
11067 (df, bivs): New global variables.
11068 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11069 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11071 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11072 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11073 analyzed_for_bivness_p, record_biv): New functions.
11074 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11075 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11076 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11078 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11080 (iv_number_of_iterations): Use new interface to iv analysis.
11081 * loop-unroll.c: Do not include varray.h.
11082 (analyze_iv_to_split_insn): Use new interface to iv
11084 * loop-unswitch.c (may_unswitch_on): Ditto.
11085 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11087 (df_bb_modify): Realloc tables to the new index.
11088 (df_find_use): New function.
11089 * df.h (df_find_use): Declare.
11090 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11092 * cfgloop.h (struct rtx_iv): Remove analysed field.
11093 (iv_get_reaching_def): Removed.
11094 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11095 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11096 (loop-iv.o): Add df.h and hashtab.h dependency.
11097 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11099 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11102 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11104 (__floatundisf, __floatundidf): Likewise.
11105 * libgcc2.h (IS_IBM_EXTENDED): Define.
11107 2006-01-19 DJ Delorie <dj@redhat.com>
11109 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11111 2006-01-19 Paul Brook <paul@codesourcery.com>
11113 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11114 as nothrow when unwinding tables are disabled.
11116 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11119 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11120 of bit-field" when in system header.
11122 2006-01-19 DJ Delorie <dj@redhat.com>
11124 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11125 the 16 bit shift limit of the m16c.
11127 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11130 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11131 * config/i386/i386.c (output_set_got): Output the label if we have one
11132 for the TARGET_DEEP_BRANCH_PREDICTION case.
11134 2006-01-19 Jan Hubicka <jh@suse.cz>
11135 H.J. Lu <hongjiu.lu@intel.com>
11136 Evandro Menezes <evandro.menezes@amd.com>
11138 * invoke.texi (generic): Document
11140 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11141 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11142 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11143 (x86_use_incdec, x86_pad_returns): New variables
11144 (TARGET_CPU_DEFAULT_generic): New constant
11145 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11146 (enum processor_type): Add generic32 and generic64.
11147 * i386.md (cpu attribute): Add generic32/generic64
11148 (movhi splitter): Behave sanely when both partial_reg_dependency and
11149 partial_reg_stall are set.
11150 (K8 splitters): Enable for generic as well.
11151 * predicates.md (incdec_operand): Use TARGET_INCDEC
11152 (aligned_operand): Avoid memory mismatch stalls.
11153 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11154 * ppro.md: Enable for generic32
11155 * i386.c (generic64_cost, generic32_cost): New.
11156 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11157 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11158 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11159 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11160 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11161 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11162 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11163 x86_accumulate_outgoing_args, x86_prologue_using_move,
11164 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11165 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11166 Enable for generic.
11167 (x86_use_incdec, x86_pad_returns): New.
11168 (override_options): Add generic32 and generic64, translate "generic"
11169 to generic32/generic64 and "i686" to "generic32", refuse
11170 "generic32"/"generic64" as arch target.
11171 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11172 (ix86_reorg): Honor PAD_RETURNS.
11174 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11176 * tree-pretty-print.c (dump_generic_node): Handle
11177 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11178 * cgraph.c (cgraph_expand_queue): Rename from
11179 cgraph_analyze_queue. Update all users.
11180 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11181 cgraph_expand_queue.
11182 (cgraph_expand_all_functions): Likewise.
11183 (cgraph_finalize_pending_functions): Remove. Update callers.
11185 * tree.h (OMP_DIRECTIVE_P): Define.
11186 (OMP_PARALLEL_FN): Define.
11187 (OMP_PARALLEL_DATA_ARG): Define.
11188 (OMP_SECTIONS_SECTIONS): Define.
11189 * tree-pass.h (pass_expand_omp): Declare.
11190 * omp-low.c (struct omp_region): Declare.
11191 (struct omp_context): Remove fields 'parallel_type',
11192 'parallel_start_ix' and 'parallel_start_additional_args'.
11194 (struct omp_for_data): Rename from struct expand_omp_for_data.
11195 (omp_regions): New static variable.
11196 (root_omp_region): New static variable.
11197 (find_omp_clause): Make static.
11198 (is_in_combined_parallel_ctx): Remove.
11199 (is_combined_parallel): New.
11200 (extract_omp_for_data): Move earlier in the file.
11201 (workshare_safe_to_combine_p): New.
11202 (get_ws_args_for): New.
11203 (determine_parallel_type): Move earlier in the file.
11204 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11206 (omp_copy_decl): Likewise.
11207 (create_omp_child_function): Likewise.
11208 (lookup_omp_region): New.
11209 (dump_omp_region): New.
11210 (debug_omp_region): New.
11211 (debug_all_omp_regions): New.
11212 (new_omp_region): New.
11213 (scan_omp_parallel): If parallel_nesting_level > 1, the
11214 directive is nested within another parallel directive.
11215 Set OMP_PARALLEL_FN.
11216 (scan_omp_for): Do not try to handle combined parallel+for
11218 Remove FIXME comment.
11219 (scan_omp_nested): Remove.
11220 (scan_omp_1): Do not call scan_omp_nested when
11221 parallel_nesting_level is > 1.
11222 Do not change the DECL_CONTEXT of local variables found.
11223 (lookup_decl_in_outer_ctx): New.
11224 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11225 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11226 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11227 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11228 If CTX is nested, lookup VAR in the outer context when
11229 building copy assignment.
11230 (lower_send_clauses): Rename from expand_send_clauses.
11231 If CTX is nested, lookup VAR in the outer context when
11232 building copy assignments.
11233 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11234 If CTX is nested, lookup VAR in the outer context when
11235 building copy assignments.
11236 (expand_parallel_call): Rename from build_parallel_call.
11237 Handle combined parallel+workshare cases.
11238 Re-implement to emit code into the CFG.
11240 (expand_omp_parallel): Re-implement to emit code into the CFG.
11241 Call move_sese_region_to_fn to outline the sub-graph
11242 containing the parallel region.
11243 (expand_omp_for_1): Remove.
11244 (expand_omp_for_generic): Re-implement to emit code into the
11246 (expand_omp_for_static_nochunk): Likewise.
11247 (expand_omp_for_static_chunk): Likewise.
11248 (expand_omp_for): Likewise.
11249 (expand_omp_sections): Likewise.
11250 (remove_exit_barriers): New.
11251 (expand_omp_synch): New.
11253 (build_omp_regions_1): New.
11254 (build_omp_regions): New.
11255 (execute_expand_omp): New.
11256 (gate_expand_omp): New.
11257 (pass_expand_omp): Define.
11258 (lower_omp_sections): Rename from expand_omp_sections.
11259 Set OMP_SECTIONS_SECTIONS.
11260 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11261 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11262 (lower_omp_single): Rename from expand_omp_simple.
11263 (lower_omp_master): Rename from expand_omp_master.
11264 (lower_omp_ordered): Rename from expand_omp_ordered.
11265 (lower_omp_critical): Rename from expand_omp_critical.
11266 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11267 (lower_omp_for): Re-implement.
11268 (lower_omp_parallel): Re-implement.
11269 (lower_regimplify): Rename from expand_regimplify.
11270 (lower_omp_1): Rename from expand_omp_1.
11271 If there are syntax errors in the program, replace every
11272 OpenMP directive with NOP.
11273 Call lower_omp_* instead of expand_omp_*.
11274 (lower_omp): Rename from expand_omp.
11276 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11277 * tree-gimple.h (enum omp_parallel_type): Remove.
11278 (gimple_boolify): Declare extern.
11279 (find_omp_clause, determine_parallel_type): Remove.
11281 * gimple-low.c (lower_omp_directive): New.
11282 (lower_stmt): Call it.
11283 (record_vars_into): Move from ...
11284 (record_vars): ... here.
11285 Call record_vars_into with current_function_decl.
11287 * gimplify.c (struct gimplify_ctx): Remove fields
11288 combined_pre_p and combined_ctxp. Update users.
11289 (get_formal_tmp_var): Add documentation.
11290 (gimple_boolify): Make extern.
11291 (gimplify_expr_in_ctx): Remove. Update callers.
11292 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11293 will always be a BIND_EXPR.
11294 (gimplify_expr): Handle OMP_RETURN_EXPR.
11295 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11296 (OMP_PARALLEL): Add 3 operands.
11297 (OMP_SECTIONS): Add 1 operand.
11298 (OMP_RETURN_EXPR): Define.
11300 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11301 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11302 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11303 creating a circular free list.
11304 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11306 * tree-flow.h (move_sese_region_to_fn): Declare.
11307 (record_vars_into): Declare.
11308 * tree-cfg.c (make_omp_sections_edges): New.
11309 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11310 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11311 OMP_SECTIONS and OMP_SECTION.
11312 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11313 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11314 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11315 (gather_blocks_in_sese_region): New.
11316 (struct move_stmt_d): Declare.
11317 (move_stmt_r): New.
11318 (move_block_to_fn): New.
11319 (move_sese_region_to_fn): New.
11321 * passes.c (init_optimization_passes): Schedule
11322 pass_expand_omp after pass_init_datastructures.
11324 * tree-ssa-operands.c (get_expr_operands): Handle
11325 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11326 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11328 2006-01-19 Jeff Law <law@redhat.com>
11330 * tree-vrp.c (extract_range_from_assert): Refine the result range
11331 if the variable referenced by the ASSERT_EXPR has a range and
11332 either the tentative result range or the previous range is a
11335 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11337 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11339 2006-01-19 Jan Hubicka <jh@suse.cz>
11341 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11343 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11345 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11346 (expand_compound_operation, expand_field_assignment): Fail if the
11347 bit lengths of an extract operation are out of range.
11348 (make_extraction): Compute wanted_inner_mode based on the position
11349 and length of the extraction. Make it extraction_mode for non-constant
11350 positions, and do not modify offset in that case. When generating a
11351 new MEM, use a mode that can hold the extraction while keeping correct
11352 alignment. Remove code that supported MEMs wrapped by USEs.
11353 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11355 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11357 * config/s390/s390.md ("Y", "y"): New mode attribute.
11358 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11359 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11360 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11361 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11362 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11363 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11364 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11365 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11366 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11367 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11368 "addsi3", "subsi3"): Insn patterns removed.
11369 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11370 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11371 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11372 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11373 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11374 "*sub<mode>3_cconly2"): New insn patterns.
11375 ("addsi3", "subsi3"): New expanders.
11377 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11379 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11380 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11381 existing STMT_VINFO_VECTYPE if available.
11382 (vect_mark_relevant): Add special handling for stmts that are
11383 marked as STMT_VINFO_IN_PATTERN_P.
11384 (vect_analyze_loop): Call vect_pattern_recog.
11385 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11386 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11388 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11389 (vect_recog_func_ptr): New function-pointer type.
11390 * tree-vect-patterns.c: New file.
11391 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11392 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11393 (vect_pattern_recog_1): New functions.
11394 (vect_pattern_recog_funcs): New array of function pointers.
11396 * tree-vectorizer.h (ternary_op): New enum value.
11397 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11398 declaration. Revised documentation. Removed redundant dump prints.
11399 Removed redundant argument. Added support for reduction patterns.
11400 (vectorizable_reduction): Added support for reduction patterns.
11401 (vect_transform_stmt): Added support for patterns.
11403 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11404 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11405 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11406 (expand_widen_pattern_expr): New function.
11407 (init_optabs): Initialize new optabs udot_prod_optab,
11409 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11410 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11411 (expand_widen_pattern_expr): New function declaration.
11412 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11414 * tree-inline.c (estimate_num_insns_1): Added cases for new
11415 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11416 * tree-pretty-print.c (dump_generic_node): Likewise.
11417 (op_prio): Likewise.
11418 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11419 * tree-ssa-operands.c (get_expr_operands): Added case for
11421 * tree-vect-patterns.c (widened_name_p): New function.
11422 (vect_recog_dot_prod_pattern): Added function implementation.
11423 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11424 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11425 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11426 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11428 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11429 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11430 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11431 (init_optabs): Initialize new optabs widen_ssum_optab,
11433 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11434 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11435 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11436 use instead of type of def.
11437 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11438 function implementation.
11439 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11440 widen_ssumv8hi): New.
11442 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11445 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11448 * c-decl.c (add_flexible_array_elts_to_size): New function.
11449 (finish_decl): Use it.
11451 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11453 * diagnostic.h: Include options.h.
11454 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11455 dependancies for diagnostic.h.
11456 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11458 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11460 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11461 (ssa_ro_call_cache_valid): Ditto.
11462 * tree-ssa-alias.c (sort_tags_by_id): New function.
11463 (init_transitive_clobber_worklist): Ditto.
11464 (add_to_worklist): Ditto.
11465 (mark_aliases_call_clobbered): Ditto.
11466 (compute_tag_properties): Ditto.
11467 (set_initial_properties): Ditto.
11468 (compute_call_clobbered): Ditto.
11469 (compute_may_aliases): Call compute_call_clobbered and grouping.
11470 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11471 (compute_flow_insensitive_aliasing): Grouping now happens in our
11473 (setup_pointers_and_addressables): Remove clobbering related code.
11474 (add_may_alias): Ditto.
11475 (replace_may_alias): Ditto.
11476 (get_nmt_for): Ditto.
11477 (create_global_var):
11478 (is_escape_site): Return an escape_type enumeration.
11479 * tree-flow-inline.h (is_call_clobbered): Global var does not
11480 imply call clobbered.
11481 (mark_call_clobbered): Take a reason for marking this. Remove
11482 marking of globalness, and cache invalidation.
11483 (clear_call_clobbered): Remove cache invalidation code.
11484 * tree-dfa.c (dump_variable): If details is on, dump the reason
11486 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11488 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11489 (struct var_ann_d): Ditto.
11490 (enum escape_type): New.
11491 (mark_call_clobbered): Adjust prototype.
11492 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11493 are never call clobbered.
11494 Record reasons for escaping.
11495 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11496 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11497 (ssa_ro_call_cache_valid): Ditto.
11498 (clobbered_v_may_defs): Ditto.
11499 (clobbered_vuses): Ditto.
11500 (ro_call_vuses): Ditto.
11501 (clobber_stats): New.
11502 (init_ssa_operands): Zero out clobber stats.
11503 (fini_ssa_operands): Print out clobber stats.
11504 (get_call_expr_operands): Pass callee fndecl to
11505 add_call_read_ops).
11506 (add_call_clobber_ops): Remove use of cache.
11507 Add use of PURE_CONST information.
11508 (add_call_read_ops): Remove use of cache.
11509 Add use of static not_read information.
11511 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11513 Introduce TLS descriptors for i386 and x86_64.
11514 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11515 (TARGET_ANY_GNU_TLS): New macro.
11516 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11517 (struct machine_function): Add tls_descriptor_call_expanded_p.
11518 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11519 (ix86_current_function_calls_tls_descriptor): Likewise.
11520 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11521 (override_options): Introduce gnu2 tls dialect.
11522 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11524 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11526 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11527 (ix86_init_machine_status): Initialize new field.
11528 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11529 (ix86_tls_module_base): New.
11530 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11531 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11532 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11533 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11534 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11535 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11536 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11537 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11538 * config/i386/predicates.md (tls_modbase_operand): New.
11539 (tp_or_register_operand): New.
11541 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11543 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11544 (look_for_address_of): Ditto.
11545 (ipa_init): Walk the function decls.
11546 (static_execute): Don't set readonly on FUNCTION_DECL's.
11548 2006-01-18 Roger Sayle <roger@eyesopen.com>
11550 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11551 for shifts where the source and destination registers are different.
11553 2006-01-18 Paul Brook <paul@codesourcery.com>
11555 Merge from csl-arm-branch.
11556 2005-03-14 Julian Brown <julian@codesourcery.com>
11557 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11558 (aeabi_llsl): Likewise.
11559 (ashrdi3): Likewise.
11560 (aeabi_lasr): Likewise.
11561 (lshrdi3): Likewise.
11562 (aeabi_llsr): Likewise.
11563 2005-03-10 Julian Brown <julian@codesourcery.com>
11564 * config.gcc: Disable shared libgcc for SymbianOS.
11565 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11567 2006-01-18 DJ Delorie <dj@redhat.com>
11569 * c-pragma.c (handle_pragma_diagnostic): New.
11570 (init_pragma): Register it.
11571 * doc/extend.texi: Document it.
11573 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11574 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11575 (diagnostic_context): Add classify_diagnostic[].
11576 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11577 as errors if they're overridden to DK_WARNING.
11578 (diagnostic_initialize): Initialize classify_diagnostic[].
11579 (diagnostic_set_kind_override): New.
11580 (diagnostic_report_diagnostic): Check for kind changes.
11581 * opts.c (common_handle_option): Take lang_mask. Update callers.
11582 Handle OPT_Werror_.
11583 * common.opt (Werror=): New.
11584 * doc/invoke.texi: Document -Werror=*
11586 2006-01-18 Jeff Law <law@redhat.com>
11588 * tree-vrp.c (test_for_singularity): Correct test for new
11589 min limit. Use operand_equal_p rather than pointer equality
11590 for testing if new min/max values are equal.
11592 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11593 using range information until after propagation and folding.
11595 2006-01-18 Richard Henderson <rth@redhat.com>
11596 Aldy Hernandez <aldyh@redhat.com>
11597 Jakub Jelinek <jakub@redhat.com>
11598 Diego Novillo <dnovillo@redhat.com>
11600 * omp-low.c: New file.
11601 * c-omp.c: New file.
11603 2006-01-18 Richard Henderson <rth@redhat.com>
11604 Jakub Jelinek <jakub@redhat.com>
11605 Diego Novillo <dnovillo@redhat.com>
11607 * doc/invoke.texi: Document -fopenmp.
11608 * tree-dump.h (debug_function): Declare.
11609 * hooks.c (hook_bool_tree_bool_false): New function.
11610 (hook_tree_tree_null): Remove.
11611 (hook_tree_tree_tree_null): New.
11612 * hooks.h: Update to match.
11613 * tree-pretty-print.c (debug_tree_chain): New.
11614 (print_generic_expr): Handle TDF_CHAIN.
11615 (dump_generic_node): Handle BLOCK.
11616 Do not abort with incomplete SWITCH_EXPRs.
11617 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11618 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11619 print space after directive name.
11620 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11621 Handle OMP_MASTER and OMP_ORDERED.
11622 Handle printing of OMP_BODY just in one place, goto
11623 dump_omp_body in the rest of OMP_* nodes that have
11625 Don't handle clause nodes here. Update omp statements to
11626 use dump_omp_clauses.
11627 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11628 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11629 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11630 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11631 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11632 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11633 Adjust output for GOMP_PARALLEL.
11634 (dump_omp_clauses): New.
11635 (print_declaration): Dump DECL_VALUE_EXPR.
11636 (op_symbol_1): Split out of op_symbol.
11637 (dumping_stmts): Remove. Update all users.
11638 * cgraph.c (cgraph_analyze_queue): New.
11639 (cgraph_add_new_function): New.
11640 * cgraph.h (cgraph_analyze_queue): Declare.
11641 (cgraph_add_new_function): Declare.
11642 (cgraph_lower_function): Remove.
11643 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11644 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11645 and TYPE_P nodes in its default clause.
11646 (empty_body_p): New.
11647 (tree_range_check_failed): New.
11648 (build5_stat): New.
11649 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11650 OMP_CLAUSE_REDUCTION_MERGE,
11651 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11652 OMP_CLAUSE_PRIVATE_DEBUG,
11653 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11654 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11655 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11656 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11657 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11658 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11659 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11660 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11661 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11662 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11663 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11664 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11665 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11666 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11667 (TREE_RANGE_CHECK): New.
11668 (empty_body_p): Declare.
11669 (enum omp_clause_default_kind): New.
11670 (build_string_literal): Declare.
11671 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11672 (build5_stat, build5): Declare.
11673 * tree-pass.h (TDF_CHAIN): Define.
11674 * tree-pass.h (PROP_gimple_lomp): Define.
11675 (pass_lower_omp): Declare.
11676 * diagnostic.h (debug_tree_chain): Declare.
11677 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11679 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11680 * builtins.c (build_string_literal): Make extern.
11681 * gcc.c (include_spec_function): New.
11682 (static_spec_functions): Add it.
11683 (main): Move load of libgomp.spec ...
11684 (LINK_COMMAND_SPEC): ... here.
11685 (link_gomp_spec): New.
11686 (static_specs): Include it.
11687 (LINK_COMMAND_SPEC): Add link_gomp.
11688 (GOMP_SELF_SPECS): New.
11689 (driver_self_specs): Include it.
11690 (switch_matches): Don't mark inline.
11691 (main): Load libgomp.spec.
11692 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11693 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11694 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11695 * tree-gimple.h (enum omp_parallel): Declare.
11696 (determine_parallel_type): Declare.
11697 (omp_firstprivatize_variable): Declare.
11698 (omp_reduction_init): Declare.
11699 (diagnose_omp_structured_block_errors): Declare.
11700 (struct walk_stmt_info): Add want_return_expr.
11701 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11702 (find_omp_clause): Declare.
11703 (insert_field_into_struct): Declare.
11704 (struct walk_stmt_info): Move from tree-nested.c
11705 (walk_stmts): Declare.
11706 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11708 * cgraphunit.c (cgraph_lower_function): Make static.
11709 (cgraph_finalize_pending_functions): New.
11710 (cgraph_finalize_function): Call it.
11711 (cgraph_finalize_compilation_unit): Likewise.
11712 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11713 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11714 (BT_FN_UINT_UINT): New.
11715 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11716 DEF_FUNCTION_TYPE_VAR_4): Document.
11717 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11718 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11719 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11720 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11721 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11722 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11723 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11724 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11725 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11726 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11727 into separate files.
11728 (DEF_GOMP_BUILTIN): New.
11729 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11730 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11731 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11732 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11733 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11734 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11735 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11736 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11737 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11738 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11739 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11740 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11741 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11742 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11743 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11744 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11745 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11746 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11747 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11748 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11749 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11750 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11751 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11752 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11753 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11754 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11755 * sync-builtins.def: New file, moved from builtins.def.
11756 * omp-builtins.def: New file, moved from builtins.def.
11757 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11758 * gimple-low.c (lower_function_body): Clear data.
11759 (lower_stmt): Do not handle COMPOUND_EXPR.
11760 Remove call to print_node_brief.
11761 * c-tree.h (c_finish_omp_clauses): New prototype.
11762 (C_DECL_THREADPRIVATE_P): Define.
11763 (lookup_name_no_remap, c_omp_remap_private): Remove
11764 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11765 (check_for_loop_decls): Update decl.
11766 (lookup_name_no_remap, c_omp_remap_private): Declare.
11767 (build_indirect_ref, build_modify_expr, pushdecl,
11768 pushdecl_top_level): Move to c-common.h.
11769 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11770 before the switch, but just in the 2 places that need it.
11771 * c-decl.c (diagnose_mismatched_decls): Do not check for
11772 mismatched thread-local attributes when OLDDECL is marked
11773 threadprivate and NEWDECL has no thread-local attributes.
11774 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11775 (c_gimple_diagnostics_recursively): Rename from
11776 c_warn_unused_result_recursively. Invoke
11777 diagnose_omp_structured_block_errors.
11778 (check_for_loop_decls): Return a singular decl found.
11779 * langhooks.c (lhd_omp_predetermined_sharing): Return
11780 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11781 (lhd_omp_firstprivatize_type_sizes): New.
11782 (lhd_omp_assignment): New.
11783 (lhd_omp_predetermined_sharing): New.
11784 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11785 (struct lang_hooks_for_types): Add
11786 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11787 omp_predetermined_sharing, omp_disregard_value_expr,
11788 omp_private_debug_clause, omp_clause_default_ctor,
11789 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11790 (c_finish_omp_clauses): New.
11791 (c_finish_bc_stmt): Diagnose break within omp for.
11792 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11793 (build_unary_op): Return error_mark after reporting
11795 (build_modify_expr): Likewise.
11796 * gimplify.c: Include optabs.h and pointer-set.h.
11797 (enum gimplify_omp_var_data): Declare.
11798 (struct gimplify_omp_ctx): Declare.
11799 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11801 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11802 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11803 (splay_tree_compare_decl_uid): New.
11804 (new_omp_context): New.
11805 (delete_omp_context): New.
11806 (gimple_add_tmp_var): Call omp_add_variable.
11807 (gimplify_bind_expr): Likewise.
11808 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11809 true, disregard DECL_VALUE_EXPR on the decl if any.
11810 (gimplify_expr_in_ctx): New.
11811 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11812 omp_add_variable, omp_notice_variable, omp_is_private
11813 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11814 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11815 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11816 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11817 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11818 gimplify_omp_atomic): New.
11819 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11820 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11821 OMP_CRITICAL and OMP_ATOMIC.
11822 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11823 * c-pragma.h (enum pragma_kind): Add
11824 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11825 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11826 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11827 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11828 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11829 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11830 PRAGMA_OMP_THREADPRIVATE.
11831 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11832 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11833 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11834 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11835 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11836 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11837 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11838 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11839 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11840 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11841 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11842 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11843 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11845 (struct nesting_info): Add field_map,
11846 suppress_expansion, debug_var_chain.
11847 (create_nesting_tree): Initialize them.
11848 (lookup_field_for_decl): Use field_map.
11849 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11850 (convert_local_omp_clauses): New.
11851 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11852 (walk_body): Split out of walk_function.
11853 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11854 (convert_nonlocal_reference): Handle omp statements.
11855 (convert_local_reference): Likewise.
11856 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11857 (unnest_nesting_tree): New.
11858 (lower_nested_functions): Call it.
11859 (insert_field_into_struct): Make extern.
11860 (struct walk_stmt_info): Move to tree-gimple.h.
11861 (walk_stmts): Make extern.
11862 * omp-builtins.def: New file.
11863 * tree-iterator.c (expr_only): Clarify comment.
11864 * c-common.h (pushdecl_top_level, pushdecl,
11865 build_modify_expr, build_indirect_ref,
11866 c_finish_omp_master, c_finish_omp_critical,
11867 c_finish_omp_ordered, c_finish_omp_barrier,
11868 c_finish_omp_atomic, c_finish_omp_flush,
11869 c_finish_omp_for, c_split_parallel_clauses,
11870 omp_clause_default_kind, c_omp_sharing_predetermined,
11871 c_omp_remap_decl): Declare.
11872 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11873 (OBJS-common): Add omp-low.o.
11874 (c-omp.o, omp-low.o): Add.
11875 (gimplify.o): Add dependency on $(OPTABS_H).
11876 (GTFILES): Add omp-low.c.
11877 (gt-stringpool.h): Add.
11878 * tree-cfg.c (set_bb_for_stmt): Do not update the
11879 block-to-labels map if we are currently expanding to RTL.
11880 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11882 Handle IDENTIFIER_NODE.
11883 (tree_verify_flow_info): Do not ICE when emitting error
11884 messages about invalid labels.
11885 (dump_function_to_file): Reset CFUN before emitting the body
11887 (debug_function): New.
11888 * passes.c (init_optimization_passes): Schedule
11890 * langhooks-def.h (lhd_omp_predetermined_sharing,
11891 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11893 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11894 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11895 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11896 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11897 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11898 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11899 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11900 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11901 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11902 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11903 (LANG_HOOK_DECLS): Use them.
11905 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11906 Richard Henderson <rth@redhat.com>
11907 Jakub Jelinek <jakub@redhat.com>
11908 Diego Novillo <dnovillo@redhat.com>
11910 * c-parser.c (pragma_omp_clause): Define.
11911 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11912 (c_parser_compound_statement): Likewise.
11913 (c_parser_statement): Likewise.
11914 (c_parser_pragma): Handle omp pragmas.
11915 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11916 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11917 (c_parser_omp_clause_name, check_no_duplicate_clause,
11918 c_parser_omp_variable_list,
11919 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11920 c_parser_omp_clause_copyprivate,
11921 c_parser_omp_clause_default,
11922 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11923 c_parser_omp_clause_lastprivate,
11924 c_parser_omp_clause_nowait,
11925 c_parser_omp_clause_num_threads,
11926 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11927 c_parser_omp_clause_reduction,
11928 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11929 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11930 c_parser_omp_atomic, c_parser_omp_barrier,
11931 c_parser_omp_critical, c_parser_omp_flush,
11932 c_parser_omp_for_loop, c_parser_omp_for,
11933 c_parser_omp_master, c_parser_omp_ordered,
11934 c_parser_omp_sections_scope, c_parser_omp_sections,
11935 c_parser_omp_parallel, c_parser_omp_single,
11936 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11937 * c-pragma.c (init_pragma): Do omp pragma registration here.
11938 * c.opt (fopenmp): New flag.
11940 2006-01-18 Eric Christopher <echristo@apple.com>
11942 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11943 * config/darwin.h (GOMP_SELF_SPECS): Define.
11945 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11947 * rtl.h: Remove the prototype for reg_alloc.
11949 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11952 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11953 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11954 sjlj and dwarf2 exception handling.
11955 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11956 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11957 * pa/pa.c (function_value): Treat complex and vector types as
11959 (function_arg): Likewise. Only pass scalar floats in the floating
11960 point argument registers.
11961 * pa/t-slibgcc-dwarf-ver: New file.
11962 * pa/t-slibgcc-sjlj-ver: New file.
11963 * pa/t-slibgcc-elf-ver: Delete file.
11965 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11967 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11968 unlikely_test_section_p test.
11970 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11972 * mode-switching.c (optimize_mode_switching): Make it static.
11973 * basic-block.h: Remove the prototype for
11974 optimize_mode_switching.
11976 * modulo-sched.c (sms_schedule): Make it static.
11977 * rtl.h: Remove the prototype for sms_schedule.
11979 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11980 * rtl.h: Remove the prototype for gcse_after_reload_main.
11982 * reg-stack.c (reg_to_stack): Make it static.
11983 * rtl.h: Remove the prototype for reg_to_stack.
11985 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11987 * rtl.h: Remove the prototypes for regrename_optimize and
11988 copyprop_hardreg_forward.
11990 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11992 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11993 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11994 Test against the appropriate null constant for the mode.
11995 If 'fixup_overlap' is true, swap the operands if they overlap.
11996 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11997 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11998 alpha_split_tmode_pair and adjust for above change.
11999 * config/alpha/alpha.md (movtf_internal): Adjust call to
12000 alpha_split_tfmode_pair and rely on it to swap the operands.
12001 (movti_internal): New insn and post-reload splitter.
12002 (movti): New expander.
12004 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12006 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12009 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12011 * rtlanal.c (global_reg_mentioned_p_1,
12012 global_reg_mentioned_p): Remove.
12013 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12015 * flow.c (initialize_uninitialized_subregs): Make it static.
12016 * rtl.h: Remove the prototype for
12017 initialize_uninitialized_subregs.
12019 * function.c (instantiate_virtual_regs): Make it static.
12020 * function.h: Remove the prototype for
12021 instantiate_virtual_regs.
12023 * regmove.c (regmove_optimize, combine_stack_adjustments):
12025 * rtl.h: Remove the prototypes for regmove_optimize and
12026 combine_stack_adjustments.
12028 2006-01-17 Roger Sayle <roger@eyesopen.com>
12030 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12031 (size_cost): Encode costs in bytes so that a reg-reg addition is
12032 equivalent to COSTS_N_INSNS(1).
12033 (override_options): Use the size_cost.branch_cost as the default
12034 ix86_branch_cost when optimizing for size.
12036 2006-01-18 Ben Elliston <bje@au.ibm.com>
12038 * Makefile.in (D32PBIT_FUNCS): New.
12039 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12040 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12041 D64PBIT_FUNCS and D128PBIT_FUNCS.
12042 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12043 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12045 (decnumber_dep): Define.
12046 * doc/libgcc.texi (Decimal float library routines): New node.
12047 * config/dfp-bit.h, config/dfp-bit.c: New files.
12049 2006-01-18 Ben Elliston <bje@au.ibm.com>
12051 * expr.c (emit_move_change_mode): Always adjust addresses, not
12052 just during reload. Copy replacements only during reload.
12053 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12054 emit_move_via_integer.
12056 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12058 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12059 instead of $(srcdir) and ${srcdir}.
12061 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12064 PR middle-end/11135
12065 * arm.h (struct machine_function): Add pic_reg.
12066 * arm.c (arm_pic_register): Make unsigned.
12067 (arm_override_options): Only set arm_pic_register if
12068 TARGET_SINGLE_PIC_BASE.
12069 (use_return_insn): Only test for a pic register if it is fixed.
12070 (arm_compute_save_reg0_reg12_mask): Likewise.
12071 (thumb_compute_save_reg_mask): Likewise.
12072 (legitimate_pic_operand): Factor out some known invariants.
12073 (legitimize_pic_address): If we don't have a fixed pic register,
12074 then set up a pseudo in the function entry sequence. Handle the
12075 pic base being in a pseudo.
12076 (arm_load_pic_register): Handle the pic register being in a pseudo.
12077 (arm_expand_prologue): Only set up the pic register if it is fixed.
12078 (thumb_expand_prologue): Likewise.
12079 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12080 (pic_load_addr_based_insn): Likewise.
12081 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12084 2006-01-18 Ben Elliston <bje@au.ibm.com>
12086 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12087 decimal float modes for all floating point registers.
12089 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12090 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12092 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12095 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12096 even when the pointer is not NULL.
12098 2006-01-16 Ian Lance Taylor <ian@airs.com>
12100 * common.opt (ftoplevel-reorder): New option.
12101 * cgraph.c (cgraph_asm_nodes): New global variable.
12102 (cgraph_asm_last_node): New static variable.
12103 (cgraph_order): New global variable.
12104 (cgraph_create_node): Set new order field.
12105 (cgraph_varpool_node): Likewise.
12106 (decide_is_variable_needed): Return true if not
12107 flag_toplevel_reorder.
12108 (cgraph_add_asm_node): New function.
12109 * cgraph.h (struct cgraph_node): Add order field.
12110 (struct cgraph_varpool_node): Add order field.
12111 (struct cgraph_asm_node): Define.
12112 (cgraph_asm_nodes, cgraph_order): Declare.
12113 (cgraph_add_asm_node): Declare.
12114 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12116 (cgraph_varpool_assemble_pending_decls): Call it.
12117 (cgraph_output_pending_asms): New static function.
12118 (cgraph_finalize_compilation_unit): Call it.
12119 (struct cgraph_order_sort): Define.
12120 (cgraph_output_in_order): New static function.
12121 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12122 !flag_toplevel_reorder case.
12123 * c-parser.c: Include "cgraph.h".
12124 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12126 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12127 than -fno-unit-at-a-time.
12128 * doc/invoke.texi (Option Summary): Mention
12129 -fno-toplevel-reorder.
12130 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12131 -funit-at-a-time documentation.
12133 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12134 Kazu Hirata <kazu@codesourcery.com>
12136 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12138 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12140 * Makefile.in (FUNCTION_H): New. Use it instead of
12141 function.h throughout the file.
12142 * function.h: Include tree.h.
12144 2006-01-17 Ben Elliston <bje@au.ibm.com>
12146 * recog.c: Separate some functions with whitespace.
12148 2006-01-16 Richard Henderson <rth@redhat.com>
12150 Merge from gomp branch:
12151 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12152 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12153 and rename from struct inline_data. Rename callee* to dst*;
12154 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12155 transform_new_cfg, transform_return_to_modify, and
12156 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12158 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12159 (copy_decl_for_dup): Remove.
12160 * tree-inline.c (struct inline_data): Move to header.
12161 (insert_decl_map): Export.
12162 (remap_decl): Update for member name changes. Use copy_decl hook.
12163 Allow for replacement to be a non-decl. Remove dead code.
12164 (remap_type_1): Check for existing mapping.
12165 (remap_type): Export.
12166 (remap_decls): Update for member name changes.
12167 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12168 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12169 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12170 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12171 (tree_function_versioning, build_duplicate_type): Likewise.
12172 (copy_body_r): Likewise. Export.
12173 (copy_decl_for_dup): Split into ...
12174 (copy_decl_for_dup_finish, copy_decl_to_var,
12175 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12176 (replace_ref_tree, inlining_p): Remove.
12178 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12180 * ifcvt.c (if_convert): Make it static.
12181 * rtl.h: Remove the prototype for if_convert.
12183 * local-alloc.c (local_alloc): Make it static.
12184 * rtl.h: Remove the prototype for local_alloc.
12186 * loop.c (loop_optimize): Make it static.
12187 * cfgloop.h: Remove the prototype for loop_optimize.
12190 2006-01-16 DJ Delorie <dj@redhat.com>
12192 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12195 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12197 * pa.md: Disparage copies between general and floating-point registers
12198 in 32-bit move patterns.
12200 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12203 * Makefile.in (check-%): Depend on site.exp instead of
12204 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12207 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12209 * global.c (global_alloc): Make it static.
12210 * rtl.h: Remove the prototype for global_alloc.
12212 2006-01-16 Richard Guenther <rguenther@suse.de>
12214 * tree-ssa-alias.c (struct used_part): Add write_only field.
12215 (get_or_create_used_part_for): Initialize it to true.
12216 (create_overlap_variables_for): Don't create structure variables
12217 for structures that only are written to.
12218 (find_used_portions): Handle MODIFY_EXPR to track whether a
12219 structure is only written to.
12221 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12223 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12225 * basic-block.h: Remove the prototype for
12226 partition_hot_cold_basic_blocks.
12228 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12230 * cppspec.c (lang_specific_spec_functions): Remove.
12231 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12232 * gcc.h (lang_specific_spec_functions): Remove.
12233 * gccspec.c (lang_specific_spec_functions): Remove.
12235 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12237 * combine.c (record_value_for_reg): Invalidate registers
12239 (record_dead_and_set_regs_1): Likewise, by passing them to
12240 record_value_for_reg.
12241 (record_dead_and_set_regs): Invalidate stores made by a
12242 call. We do not combine across a call, but we still
12243 relied on equivalences.
12245 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12247 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12248 vrp_int_const_binop returning non-constant nodes.
12250 2006-01-16 Paul Brook <paul@codesourcery.com>
12252 * config/m68k/m68k.c (output_move_const_into_data_reg):
12253 Output correct mnemonic for mvz and mvs.
12255 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12257 * rtl-factoring.c: Add sequence abstraction algorithm.
12258 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12259 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12261 (block_has_preserve_label): New function.
12262 * common.opt: Register new pass.
12263 * Makefile.in: Ditto.
12265 * timevar.def: Ditto.
12266 * tree-pass.h: Ditto.
12267 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12268 * rtl.h (make_jump_insn_raw): Add forward decl.
12269 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12271 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12272 Roger Sayle <roger@eyesopen.com>
12274 * fold-const.c (fold_minmax): New static function.
12275 (fold_binary) <MIN_EXPR>: Call it.
12276 <MAX_EXPR>: Likewise.
12277 * stor-layout.c (place_field): Use DECL_SIZE consistently
12278 in the computation of the new record size.
12280 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12282 * cse.c (cse_condition_code_reg): Make it static.
12283 * rtl.h: Remove the prototype for cse_condition_code_reg.
12285 * combine.c (combine_instructions): Make it static.
12286 * rtl.h: Remove the prototype for combine_instructions.
12288 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12291 * tree.c (get_file_function_name_long): Concatenate the first global
12292 object name with a string derived from the input filename of the object
12295 2006-01-16 Ben Elliston <bje@au.ibm.com>
12297 * config/i386/winnt-stubs.c: Update FSF address.
12298 * config/xtensa/ieee754-df.S: Ditto.
12299 * config/xtensa/ieee754-sf.S: Ditto.
12301 2006-01-14 Ian Lance Taylor <ian@airs.com>
12303 * ifcvt.c (noce_init_if_info): New static function, broken out of
12304 noce_process_if_block.
12305 (noce_process_if_block): Call noce_init_if_info.
12306 (check_cond_move_block): New static function.
12307 (cond_move_process_if_block): New static function.
12308 (process_if_block): Call cond_move_process_if_block.
12310 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12312 * cselib.c (hash_table): Rename to cselib_hash_table.
12313 (cselib_clear_table, discard_useless_values,
12314 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12315 cselib_init, cselib_finish): Adjust uses of hash_table.
12317 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12319 PR tree-optimization/25485
12320 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12321 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12322 is known to be false and true, respectively.
12324 2006-01-14 Richard Guenther <rguenther@suse.de>
12326 PR tree-optimization/22548
12327 PR tree-optimization/22555
12328 PR tree-optimization/22501
12329 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12330 * params.def (salias-max-array-elements): New parameter.
12331 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12332 * doc/invoke.texi (salias-max-array-elements): Document.
12333 * tree-flow-inline.h (var_can_have_subvars): We also handle
12335 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12337 * tree-ssa-structalias.c (params.h): Include.
12338 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12339 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12340 (get_constraint_for): For ADDR_EXPR operating on something
12341 containing an ARRAY_REF, add all subvars to the solution.
12342 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12343 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12344 for creating MUST_DEFs.
12345 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12347 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12349 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12351 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12352 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12353 number_of_iterations_le): New functions.
12354 (number_of_iterations_special): Removed.
12355 (number_of_iterations_exit): Do not use number_of_iterations_special.
12356 * tree.c (unsigned_type_for): Always return integer type.
12358 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12359 Richard Guenther <rguenther@suse.de>
12361 PR rtl-optimization/24257
12362 * gcse.c (find_moveable_store): Only consider a store movable
12363 when the SET_SRC of the insn can be assigned to a register.
12365 2006-01-14 Ian Lance Taylor <ian@airs.com>
12367 * tree.c (tree_not_class_check_failed): New function.
12368 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12369 (tree_not_class_check_failed): Declare.
12371 2006-01-13 Ian Lance Taylor <ian@airs.com>
12373 * reload1.c (do_output_reload): Add assertion rejecting a
12376 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12378 * combine.c (struct reg_stat): Add new fields truncation_label and
12380 (record_value_for_reg): Reset truncated_to_mode.
12381 (record_truncated_value): New function.
12382 (check_promoted_subreg): Call it. Rename to check_conversions.
12383 (combine_instructions): Rename check_promoted_subreg to
12385 (reg_truncated_to_mode): New function.
12386 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12387 (gen_lowpart_or_truncate): New function.
12388 (force_to_mode): Use it instead of gen_lowpart.
12390 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12392 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12393 VAR is a tag, not its type tag.
12395 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12397 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12398 alternatives to match style of other entries.
12399 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12401 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12403 PR tree-optimization/25771
12404 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12407 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12410 * tree-inline.c (declare_return_variable): If the return variable
12411 was marked as a non gimple complex, set the return slot variable
12412 to be a non gimple comple variable.
12414 2006-01-13 Richard Guenther <rguenther@suse.de>
12416 * builtins.c (expand_builtin_sincos): New function.
12417 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12419 (expand_builtin): Expand sincos using expand_builtin_sincos.
12421 2006-01-12 DJ Delorie <dj@redhat.com>
12423 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12424 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12425 so that constant shifts can be split.
12426 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12427 (m32c_valid_pointer_mode): Make static.
12428 (shift_gen_func_for): New.
12429 (m32c_prepare_shift): Use it. Split large const shifts into
12431 * config/m32c/predicates.md (shiftcount_operand): Allow more
12433 (longshiftcount_operand): New.
12434 * doc/md.texi (Machine Constraints): Document In6.
12436 2006-01-13 Ben Elliston <bje@au.ibm.com>
12438 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12439 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12442 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12444 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12445 to try to avoid clobbering pieces of structures when we know
12446 something about the whole structure.
12447 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12449 2006-01-13 Ben Elliston <bje@au.ibm.com>
12451 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12452 return in memory, as this is no limitation is no longer present.
12454 2006-01-12 DJ Delorie <dj@redhat.com>
12456 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12457 mova with fb, and for fb+0 -> An.
12459 * config/m32c/mov.md (peephole2): Fix enabling logic.
12461 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12462 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12463 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12464 FINI_ARRAY_SECTION_ASM_OP): Define.
12466 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12468 (m32c_legitimize_reload_address): New logic to reload FB to An.
12469 (m32c_output_reg_push): Add newline.
12470 (m32c_output_reg_pop): Likewise.
12472 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12474 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12476 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12478 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12480 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12482 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12485 2006-01-11 Ben Elliston <bje@au.ibm.com>
12487 * rtlanal.c (find_reg_note): Assert insn is not null.
12489 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12491 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12494 2006-01-11 Jeff Law <law@redhat.com>
12496 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12498 (mark_threaded_blocks, register_jump_thread): New functions.
12499 (thread_through_all_blocks): Remove unwanted argument. No
12500 longer rely on e->aux to communicate thread target info.
12501 Call mark_threaded_blocks. Release the threaded_blocks
12502 bitmap and threaded_edges vector when complete.
12503 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12504 (threaded_blocks): Remove.
12505 (tree_ssa_dominator_optimize): Remove initialization and
12506 finalization of threaded_blocks. Simplify call to
12507 thread_through_all_blocks.
12508 (thread_across_edge): Call register_jump_thread rather than
12509 storing thread information into e->aux.
12510 (free_all_edge_infos): Simplify now that e->aux is no longer
12511 used to communicate with thread_through_all_blocks.
12512 * tree-flow.h (thread_through_all_blocks): Update prototype.
12513 (register_jump_thread): Prototype.
12515 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12517 * df-core.c (df_compact_blocks, df_bb_replace): Use
12518 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12520 2006-01-11 Richard Guenther <rguenther@suse.de>
12522 PR tree-optimization/25734
12523 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12524 stop propagation after successful propagation to the LHS.
12526 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12528 * basic-block.h (control_flow_graph): Change the type of
12529 x_basic_block_info to VEC(basic_block,gc) *.
12530 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12532 (SET_BASIC_BLOCK): New.
12533 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12534 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12535 * cfgbuild.c (find_basic_blocks): Likewise.
12536 * cfglayout.c (fixup_reorder_chain): Likewise.
12537 * cfgrtl.c (create_basic_block_structure,
12538 rtl_create_basic_block): Likewise.
12539 * ifcvt.c (find_if_case_1): Likewise.
12540 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12543 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12545 * Makefile.in: Removed rotted odf.c entry.
12547 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12550 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12551 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12552 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12553 output pattern modifier, not %e.
12554 * config/cris/cris.c (cris_op_str): Update comment about pattern
12556 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12557 before falling through into...
12558 <case 'E'>: Redefined from old 'e' case.
12560 2006-01-11 Jan Hubicka <jh@suse.cz>
12563 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12565 2006-01-11 Jan Hubicka <jh@suse.cz>
12567 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12568 * i386.c (x86_decompose_lea): Kill.
12569 (ix86_rtx_costs): Kill.
12571 2006-01-11 Jan Hubicka <jh@suse.cz>
12573 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12574 * cgraph.h (cgraph_node): Add inline_decl.
12575 (cgraph_insert_node_to_hashtable): Declare.
12576 (save_inline_function_body): Declare.
12577 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12579 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12580 (cgraph_function_versioning): Update call of tree_function_versioning.
12581 (save_inline_function_body): New function.
12582 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12583 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12584 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12585 (cgraph_default_inline_p): Likewise.
12586 (cgraph_decide_inlining_incrementally): Likewise.
12587 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12588 (copy_bb): Kill saving; do updating of clones.
12589 (copy_cfg_body): Kill saving.
12590 (initialize_inlined-parameters): Likewise.
12591 (expand_call_inline): Likewise.
12593 (tree_function_versioning): New parameter "update_clones".
12594 (inlining_p): Kill saving.
12595 * tree-inline.h (tree_function_versioning): Update prototype.
12596 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12599 2006-01-11 Ian Lance Taylor <ian@airs.com>
12601 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12602 Allow undoing set of machine mode.
12603 (do_SUBST): Use enums instead of is_int.
12604 (do_SUBST_MODE): New function.
12605 (SUBST_MODE): New macro.
12606 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12607 reg and trying to replace reg_regno_rtx with a new register.
12608 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12609 (simplify_set): Use SUBST_MODE.
12610 (distribute_notes): Remove code that tried to update reg notes
12611 for regno_reg_rtx changes.
12613 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12615 PR tree-optimization/23109
12616 PR tree-optimization/23948
12617 PR tree-optimization/24123
12619 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12620 * tree-cfg.c (single_noncomplex_succ): New.
12621 * tree-flow.h (single_noncomplex_succ): Declare it.
12622 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12623 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12624 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12625 insert_bb, register_division_in, insert_reciprocals,
12626 replace_reciprocal, free_bb): New.
12627 (execute_cse_reciprocals_1): Rewritten.
12628 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12629 Do not commit any edge insertion. Always compute dominators and
12630 create the allocation pool.
12631 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12632 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12633 * targhooks.c (default_min_divistions_for_recip_mul): New.
12634 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12635 * passes.c (init_optimization_passes): Run recip after tree loop
12637 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12639 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12640 Kenneth Zadeck <zadeck@naturalbridge.com>
12642 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12643 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12644 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12645 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12646 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12647 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12648 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12649 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12650 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12651 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12652 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12653 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12654 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12655 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12656 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12657 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12658 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12659 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12660 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12661 DF_SCAN_POST_ALLOC): New macros.
12662 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12663 df_free_bb_function, df_local_compute_function, df_init_function,
12664 df_dataflow_function, df_confluence_function_0,
12665 df_confluence_function_n, df_transfer_function,
12666 df_finalizer_function, df_free_function, df_dump_problem_function,
12667 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12668 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12669 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12670 df_urec_bb_info, ) New types.
12671 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12673 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12674 df_analyze_simple_change_some_blocks,
12675 df_analyze_simple_change_one_block, df_compact_blocks,
12676 df_bb_replace, df_bb_regno_last_use_find,
12677 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12678 df_insn_regno_def_p, df_find_def, df_find_use,
12679 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12680 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12681 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12682 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12683 debug_df_chain, df_get_dependent_problem, df_chain_create,
12684 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12685 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12686 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12687 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12688 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12689 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12690 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12691 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12692 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12693 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12694 df_reorganize_refs, df_set_state, df_hard_reg_init,
12695 df_read_modify_subreg_p) New public functions.
12696 * df-core.c: The core dataflow solver and glue routines for rtl
12698 (df_init, df_add_problem, df_set_blocks, df_finish,
12699 df_hybrid_search_forward, df_hybrid_search_backward,
12700 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12701 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12702 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12703 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12704 df_reg_defined, df_find_use, df_reg_used, df_dump,
12705 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12706 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12707 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12708 debug_df_useno, reset_df_after_reload): New functions.
12709 * df-scan.c: The scanning fuctions, once in df.c, completely
12710 rewritten so that they now fully model the functionality of
12711 register usage at the backend.
12712 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12713 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12714 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12715 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12716 df_get_artificial_defs, df_get_artificial_uses,
12717 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12718 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12719 df_refs_delete, df_reorganize_refs, df_set_state,
12720 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12721 df_def_record_1, df_defs_record, df_uses_record,
12722 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12723 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12724 df_record_exit_block_uses, df_hard_reg_init): New functions.
12726 * df-problems.c: Seven concrete dataflow problems that use the
12727 scanning in df-scan.c and are solved by the engine in df-core.c.
12728 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12729 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12730 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12731 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12732 df_ru_free_bb_info, df_ru_alloc,
12733 df_ru_bb_local_compute_process_def,
12734 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12735 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12736 df_ru_transfer_function, df_ru_free, df_ru_dump,
12737 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12738 df_rd_free_bb_info, df_rd_alloc,
12739 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12740 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12741 df_rd_transfer_function, df_rd_free, df_rd_dump,
12742 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12743 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12744 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12745 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12746 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12747 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12748 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12749 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12750 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12751 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12752 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12753 df_urec_mark_reg_use_for_earlyclobber,
12754 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12755 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12756 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12757 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12758 df_chain_create_bb_process_use, df_chain_create_bb,
12759 df_chain_finalize, df_chain_free, df_chains_dump,
12760 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12761 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12762 df_reg_lifetime): New functions.
12763 * df.c: Deleted file.
12764 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12765 consistent with new df api.
12766 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12767 rest_of_handle_sms): Ditto.
12768 * web.c (unionfind_union, union_defs, entry_register, web_main):
12770 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12771 invariant_expr_equal_p, find_defs, check_dependencies,
12772 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12773 free_inv_motion_data, move_loop_invariants): Ditto.
12774 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12775 Update dependencies.
12776 (odf.c): Added defective entry that was deleted later in day.
12777 * sched-deps.c (sched_analyze_1): Ditto.
12779 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12781 * tree-ssa-operands.c (get_expr_operands): Record addressable
12782 variables directly. Do not call add_stmt_operands for CONST_DECLs
12784 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12785 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12787 2006-01-11 Ben Elliston <bje@au.ibm.com>
12789 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12790 function returns true in the positive case.
12792 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12795 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12796 for SI, DI, SF and DF modes. Add alternatives to copy between
12797 general and floating point registers to the 32-bit patterns.
12798 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12799 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12800 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12801 generating 64-bit code.
12802 * config/pa/pa.c (output_move_double): Handle copies between general
12803 and floating registers.
12805 2006-01-10 Stuart Hastings <stuart@apple.com>
12807 * config/i386/i386.md (set_got): Update.
12808 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12809 (builtin_setjmp_receiver): Mach-O support.
12810 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12811 (GOT_SYMBOL_NAME): Define.
12812 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12813 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12814 * config/i386/i386.c (override_options): Revise for Darwin.
12815 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12816 support. (darwin_x86_file_end): New. (output_set_got): Add label
12817 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12818 * config/i386/i386-protos.h (output_set_got): Likewise.
12819 * config/darwin.c (machopic_legitimize_pic_address): Update
12822 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12824 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12825 when MODE isn't BLKmode.
12827 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12829 PR rtl-optimization/25367
12830 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12832 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12835 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12836 for a negative bound.
12838 2006-01-10 Richard Guenther <rguenther@suse.de>
12840 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12841 Never override with anything constraint.
12843 2006-01-10 Jan Beulich <jbeulich@novell.com>
12845 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12846 256 bits when optimize_size.
12848 2006-01-10 Jan Beulich <jbeulich@novell.com>
12850 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12852 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12853 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12856 2006-01-10 Ben Elliston <bje@au.ibm.com>
12858 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12860 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12861 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12862 (USE_FP_FOR_ARG): Reject decimal float modes.
12863 (function_arg_advance): Likewise.
12864 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12865 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12866 point types in AltiVec vectors.
12867 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12868 (rs6000_libcall_value): Likewise.
12870 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12872 * config/xtensa/ieee754-df.S: New file.
12873 * config/xtensa/ieee754-sf.S: New file.
12874 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12875 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12876 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12878 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12880 * config/sh/predicates.md (binary_float_operator,
12881 binary_logical_operator, commutative_float_operator,
12882 equality_comparison_operator, greater_comparison_operator,
12883 less_comparison_operator, logical_operator,
12884 noncommutative_float_operator, shift_operator,
12885 symbol_ref_operand, unary_float_operator): Remove redundant
12888 2006-01-09 Jeff Law <law@redhat.com>
12890 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12891 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12892 now unused arguments. Callers updated.
12893 (eliminate_redundant_computations): Remove now unused arguments,
12895 (local_fold): Remove, no longer used.
12896 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12898 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12899 (simplify_cond): New function.
12900 (forward_propagate_into_cond): Call simplify_cond.
12902 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12904 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12905 (*vec_extractv2di_1_sse): New.
12907 2006-01-09 Ben Elliston <bje@au.ibm.com>
12909 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12911 2006-01-08 Richard Guenther <rguenther@suse.de>
12913 * tree-ssa-structalias.c (get_constraint_for): Remove
12914 anyoffset argument.
12915 (get_constraint_for_component_ref): Likewise.
12916 (do_deref): Likewise.
12917 (get_constraint_for): Likewise.
12918 (do_structure_copy): Likewise.
12919 (handle_ptr_arith): Likewise.
12920 (find_func_aliases): Likewise. Remove unused need_anyoffset
12923 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12924 Kaz Kojima <kkojima@gcc.gnu.org>
12926 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12927 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12928 (EXTRA_CONSTRAINT_C16): Remove.
12929 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12930 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12931 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12932 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12933 constants of SHmedia. Handle nested constant expressions of
12935 (andcosts): Fix the costs for SHmedia constants.
12936 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12937 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12938 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12939 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12940 (movv4hi_i, movv2si_i): Likewise.
12941 (movsi_const): Adjust the second operand of ior so to match with
12942 the Csu constraint.
12943 (movdi_const, movdi_const_32bit): Likewise.
12944 (movdi_const_16bit+1): Don't sign-extend LOW.
12945 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12947 (*double_shori): Fix the split condition. Use GEN_INT instead
12948 of get_int_mode calls. Mask lower 16-bit of the argument of
12950 (sym2GOTPLT): Remove.
12951 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12953 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12954 instead of EXTRA_CONSTRAINT_C16.
12956 2006-01-07 Ian Lance Taylor <ian@airs.com>
12957 David Edelsohn <edelsohn@gnu.org>
12959 PR rtl-optimization/25662
12960 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12961 for constant operands instead of simplify_gen_binary.
12962 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12963 after trying simplify_binary_operation
12965 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12967 * tree.c (iterative_hash_expr): Hash decls based on UID.
12969 2006-01-06 Eric Christopher <echristo@apple.com>
12971 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12972 (TARGET_UNWIND_EMIT): Fix spelling.
12973 * target.h (gcc_target): Add except_table_label.
12974 * except.c (output_function_exception_table): Use.
12975 * varasm.c (default_emit_except_table_label): New.
12976 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12978 (asm_out): Add here.
12979 * output.h (default_emit_except_table_label): Prototype.
12980 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12981 * config/darwin.c (darwin_emit_except_table_label): Define.
12982 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12984 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12986 PR tree-optimization/18527
12987 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12988 number_of_iterations_special, number_of_iterations_exit):
12989 Move base and step of an iv to a single structure. Add
12990 no_overflow flag, and use it in # of iterations analysis.
12991 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12992 folded_casts argument.
12993 (simple_iv): Pass base and step in a structure. Set no_overflow
12995 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12996 Evaluate expensiveness of computing # of iterations instead of
12997 the final expression.
12998 * tree-scalar-evolution.h (affine_iv): New structure.
12999 (simple_iv): Declaration changed.
13000 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13001 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13002 find_givs_in_stmt): Changed due to simple_iv change.
13004 2006-01-06 Jeff Law <law@redhat.com>
13007 * tree-cfg.c (bsi_replace): Rename final argument from
13008 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13009 change (stmt -> orig_stmt).
13010 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13011 (bsi_remove): Add new argument. Remove EH information
13013 (verify_eh_throw_table_statements): New function.
13014 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13016 * tree-optimize.c (execute_free_cfg_annotations): Verify
13017 the EH throw statement table after removing annotations.
13018 * except.h (verify_eh_throw_table_statements): Prototype.
13019 * tree-flow.h (bsi_remove): Update prototype.
13020 * tree-vrp.c (remove_range_assertions): Add new argument to
13022 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13023 * tree-complex.c (expand_complex_div_wide): Likewise.
13024 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13025 * tree-tailcall.c (eliminate_tailcall): Likewise.
13026 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13027 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13028 * tree-nrv.c (tree_nrv): Likewise.
13029 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13030 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13031 (combine_blocks): Likewise.
13032 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13033 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13034 (cleanup_control_flow): Likewise.
13035 (remove_forwarder_block): Likewise.
13036 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13037 * tree-sra.c (sra_replace): Likewise.
13038 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13039 (forward_propagate_single_use_vars): Likewise.
13040 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13041 * tree-inline.c (expand_call_inline): Likewise.
13042 * tree-vect-transform.c (vect_transform_loop): Likewise.
13043 * tree-outof-ssa.c (rewrite_trees): Likewise.
13044 * tree-cfg.c (make_goto_expr_edges): Likewise.
13045 (cleanup_dead_labels): Likewise.
13046 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13047 (bsi_move_before, bsi_move_after): Likewise.
13048 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13049 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13051 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13054 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13056 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13057 on non gimple variables. Also add checks at the top for decls and
13059 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13061 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13062 and IMAGPART_EXPR for creating MUST_DEFs.
13063 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13064 and NAME_MEMORY_TAG separately from the DECLs.
13066 2006-01-06 Richard Guenther <rguenther@suse.de>
13068 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13069 annotation, if necessary.
13070 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13071 redundant calls to update_stmt.
13072 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13075 2006-01-05 Richard Henderson <rth@redhat.com>
13077 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13079 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13081 * c-typeck.c: Update copyright date.
13083 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13085 * c-typeck.c (build_c_cast): Always warn when casting
13086 from a pointer to an integer of different size, even if
13087 the node was constant.
13089 2006-01-05 Richard Guenther <rguenther@suse.de>
13091 PR tree-optimization/22555
13092 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13093 if one structure field is an array.
13094 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13095 operands even if we found a subvar, but ignore VOPs in this
13097 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13099 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13101 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13103 PR middle-end/24998
13104 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13106 2006-01-05 Richard Guenther <rguenther@suse.de>
13107 Diego Novillo <dnovillo@redhat.com>
13109 * tree-pass.h (TODO_remove_unused_locals): Define.
13110 * gimple-low.c (expand_var_p, remove_useless_vars,
13111 pass_remove_useless_vars): Remove. Update all users.
13112 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13113 (remove_unused_locals): New function.
13114 * tree-flow.h (remove_unused_locals): Declare.
13115 * passes.c (execute_todo): Call remove_unused_locals if
13116 TODO_remove_unused_locals is set.
13117 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13118 * tree-ssa-dce.c (pass_dce): Likewise.
13119 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13121 2006-01-05 Richard Guenther <rguenther@suse.de>
13123 * tree-flow.h (struct fieldoff): Decompose field to
13124 type, size and decl.
13125 * tree-ssa-alias.c (create_sft): Take type as parameter.
13126 (create_overlap_variables_for): Store type, size and decl
13127 in the fieldoff structure.
13128 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13129 of struct fieldoff.
13130 (push_fields_onto_fieldstack): Likewise.
13131 (create_variable_info_for): Likewise. Use offset for the
13132 SFT name if the decl is not available.
13134 2006-01-04 Paul Brook <paul@codesourcery.com>
13136 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13138 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13140 * lambda-code.c (can_put_in_inner_loop): Relax
13142 (can_put_after_inner_loop): New function.
13143 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13144 (perfect_nestify): Change to make copies and modify uses.
13146 2006-01-04 Richard Henderson <rth@redhat.com>
13148 Merge from gomp branch:
13149 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13150 via integer constant.
13151 (pragma_lex): Remove.
13152 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13153 rather than parsing it.
13154 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13155 handle_pragma_extern_prefix): Add %< %> quotes.
13156 (registered_pragmas): New.
13157 (c_register_pragma_1): New.
13158 (c_register_pragma): Use it.
13159 (c_register_pragma_with_expansion): Likewise.
13160 (c_invoke_pragma_handler): New.
13161 (init_pragma): Use cpp_register_deferred_pragma directly for
13163 * c-pragma.h (enum pragma_kind): New.
13164 (pragma_handler): New.
13165 (c_invoke_pragma_handler): Declare.
13166 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13168 * c-common.h (c_common_pch_pragma): Update decl.
13169 * Makefile.in (c-parser.o): Update dependencies.
13170 (GTFILES): Add c-pragma.h.
13171 * c-parser.c (struct c_token): Add pragma_kind.
13172 (struct c_parser): Add in_pragma.
13173 (c_lex_one_token): Always initialize keyword and pragma_kind.
13174 Extract data for CPP_PRAGMA.
13175 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13176 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13177 Don't allow CPP_PRAGMA_EOL if in_pragma.
13178 (c_parser_consume_pragma): New.
13179 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13180 (c_parser_skip_to_end_of_parameter): Likewise.
13181 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13182 (c_parser_skip_to_pragma_eol): New.
13183 (c_parser_external_declaration): Handle CPP_PRAGMA.
13184 (c_parser_compound_statement_nostart): Likewise.
13185 (c_parser_statement_after_labels): Likewise.
13186 (c_parser_pragma): New.
13187 (pragma_lex): Likewise.
13188 (c_parser_pragma_pch_preprocess): New.
13189 (c_parser_new): Merge into ...
13190 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13192 2006-01-04 Jeff Law <law@redhat.com>
13195 * tree-cfg.c (bsi_replace): Remove the original statement
13196 from the EH throw statement table.
13198 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13200 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13201 make the prototype extern "C" and add throw ().
13204 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13205 and pos non-negative and pos + len <= 32.
13206 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13207 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13208 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13211 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13212 as well as sizes not multiple of component size.
13215 * function.c (instantiate_expr): New function.
13216 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13217 walk its DECL_VALUE_EXPR with instantiate_expr.
13219 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13220 DW_OP_deref{,_size} if address isn't going to be added.
13222 2006-01-04 Ben Elliston <bje@au.ibm.com>
13224 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13225 * config/fp-bit.c: Likewise.
13227 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13229 * dominance.c: Add comment about why we use DFS numbering
13232 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13233 Richard Henderson <rth@redhat.com>
13235 Merge from gomp-branch:
13236 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13237 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13239 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13241 PR rtl-optimization/25578
13242 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13243 pass a parameter to simplify_shift_const if changing ASHIFTRT
13246 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13248 * builtins.c (get_builtin_sync_mem): New function.
13249 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13250 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13251 Call get_builtin_sync_mem to generate mem rtx.
13253 2006-01-03 Richard Guenther <rguenther@suse.de>
13256 * stmt.c (add_case_node): Make sure to clear overflow flags
13259 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13261 Merge from gomp-branch.
13262 * config/sparc/sync.md: New file.
13263 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13264 UNSPECV_LDSTUB): New constants.
13265 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13266 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13267 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13270 2006-01-03 Roger Sayle <roger@eyesopen.com>
13272 * combine.c (reg_subword_p): New predicate to test whether the
13273 destination of a set refers to a subword/piece of a register.
13274 (try_combine): Generalize the code to merge the setting of a
13275 pseudo to a constant followed by a set of a subword of that
13276 register to a constant.
13278 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13280 * basic-block.h (control_flow_graph): Change the type of
13281 x_label_to_block_map to VEC(basic_block,gc) *.
13282 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13283 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13285 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13286 VEC(basic_block,heap) *.
13287 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13288 ssa_prop_fini): Adjust the uses of cfg_blocks.
13290 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13292 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13294 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13295 hashing trees instead of a pointer hash.
13296 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13297 compare for MEM_EXPR.
13299 PR rtl-optimization/25130
13300 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13301 when comparing MEMs for GCSE
13303 2006-01-03 Ben Elliston <bje@au.ibm.com>
13305 * targhooks.h (default_decimal_float_supported_p): Declare.
13306 * targhooks.c (default_decimal_float_supported_p): Define.
13307 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13308 `default_decimal_float_supported_p'.
13309 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13311 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13313 * combine.c (apply_distributive_law <SUBREG>): Check
13314 TRULY_NOOP_TRUNCATION.
13316 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13318 * dwarf2out.c (have_switched_text_section): Delete.
13319 (have_multiple_function_sections): New.
13320 (have_location_lists): Make 'bool'.
13321 (add_AT_loc_list): Use 'true' not '1'.
13322 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13323 (output_loc_list): Use have_multiple_function_sections.
13324 (output_ranges): Likewise.
13325 (dwarf2out_begin_function): Set have_multiple_function_sections if
13327 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13328 Check function_section rather than DECL_SECTION_NAME.
13329 (dwarf2out_finish): Use have_multiple_function_sections.
13330 Don't clear have_location_lists.
13332 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13333 Jan Hubicka <jh@suse.cz>
13335 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13336 case of conditional jump jumping to the next instruction.
13337 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13338 cases of conditional jump jumping to the next instruction.
13340 2006-01-02 Jan Hubicka <jh@suse.cz>
13342 * i386.c (*_cost): Add COSTS_N_INSNS.
13343 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13345 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13348 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13350 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13352 * config/arm/arm.c (all_fpus): Fix comment typo.
13353 * config/darwin.c: Likewise.
13354 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13355 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13356 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13358 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13360 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13361 (rs6000_split_compare_and_swapqhi): New.
13362 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13363 (sync_compare_and_swapqhi_internal): New.
13364 * config/rs6000/rs6000-protos.h: Declare.