1 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4 * optabs.c (expand_binop): Pass next_methods rather than methods
5 to expand_doubleword_shift.
7 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10 * tree.h (dump_addr): Declare.
11 * print-tree.c (dump_addr): New function.
12 (print_node_brief, print_node): Use it.
13 * print-rtl.c (print_rtx): Likewise.
14 * common.opt (-fdump-noaddr): New option.
15 * doc/invoke.texi (-fdump-noaddr): Document.
16 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
17 (ve_info_hash): Likewise.
19 2006-07-13 Andrew Haley <aph@redhat.com>
21 PR tree-optimization/19505
22 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
23 edge leaving this block, make sure that the destination of this
24 block has only one predecessor.
26 2006-07-17 Richard Guenther <rguenther@suse.de>
28 PR tree-optimization/28238
29 * tree-inline.c (copy_bb): Check if we produced valid
30 gimple copying and substituting a stmt. If not, gimplify
33 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
35 * optabs.c (maybe_encapsulate_block): New function extracted from...
36 (emit_libcall_block): ...here. Invoke it on the block of insns to
37 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
38 (emit_no_conflict_block): Likewise.
40 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
42 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
44 2006-07-15 Roger Sayle <roger@eyesopen.com>
46 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
47 a new NOP_EXPR case of the switch statement.
49 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
52 * stor-layout.c (place_field): Take the bit field with
53 an excessive size into account in the ms-bitfiled case.
56 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
57 the previous bit field.
59 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
62 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
64 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
66 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
67 signal frames correctly even when the signal was installed with
70 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
72 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
73 (dbxout_function_end): Use local label LFBB. Remove hook
75 (dbxout_source_line): Use local label LFBB.
76 (dbxout_block): Likewise.
77 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
78 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
79 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
82 2006-07-13 Janis Johnson <janis187@us.ibm.com>
84 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
86 2006-07-13 Jan Hubicka <jh@suse.cz>
88 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
90 * output.h (align_variable): Declare.
91 * varasm.c (align_variable): Export.
92 * value-prof.c (tree_value_profile_transformations): Recompute iterator
93 when basic block changed.
95 2006-07-13 Nick Clifton <nickc@redhat.com>
97 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
98 walking the LOG_LINKS chain.
100 2006-07-12 Geoffrey Keating <geoffk@apple.com>
102 * doc/invoke.texi (C++ Dialect Options): Explain difference
103 between -fvisibility-inlines-hidden and setting hidden
104 visibility explicitly.
106 2006-07-12 Eric Christopher <echristo@apple.com>
108 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
109 (stmp-lipo): Depend on libgcc.a.
111 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
113 * tree.c: Fix a comment typo.
115 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
117 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
119 (umulhisi3_r): Likewise.
121 2006-07-12 Paolo Carlini <pcarlini@suse.de>
124 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
125 x < 19, vs wchar_t support.
127 2006-07-12 Nick Clifton <nickc@redhat.com>
129 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
132 2006-07-12 Mike Stump <mrs@apple.com>
134 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
136 2006-07-10 Eric Christopher <echristo@apple.com>
138 * config/t-slibgcc-darwin: Rewrite.
140 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
143 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
146 2006-07-08 Matthias Klose <doko@debian.org>
148 * doc/sourcebuild.texi: Fix typo.
150 2006-07-07 Mike Stump <mrs@apple.com>
152 * toplev.c (process_options): Don't give -ffunction-sections may
153 affect debugging warning for Mach-O.
155 2006-07-07 James E Wilson <wilson@specifix.com>
157 * config/mips/mips.md (cpu): Add sb1a.
158 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
159 addition to sb1. Adjust comments to clarify SB-1A differences from
161 (ir_sb1a_load): New. Modify bypasses to use it.
162 (ir_sb1a_simple_alu): Likewise.
163 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
164 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
165 (mips_issue_rate): Add PROCESSOR_SB1A.
166 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
167 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
168 (TARGET_SB1): Add PROCESSOR_SB1A check.
169 (TUNE_SB1): Likewise.
171 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
172 * config/mips/mips.c (mips_store_data_bypass_p): New.
173 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
176 2006-07-08 Paul Brook <paul@codesourcery.com>
179 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
181 2006-07-07 Richard Guenther <rguenther@suse.de>
184 * tree.h (build_one_cst): Declare.
185 * tree.c (build_one_cst): New function.
186 * tree-ssa-math-opts.c (get_constant_one): Remove.
187 (insert_reciprocals): Use build_one_cst.
188 * fold-const.c (fold_plusminus_mult): Likewise.
190 2006-07-07 Roger Sayle <roger@eyesopen.com>
192 * pointer-set.c (pointer_set_destroy): Correct whitespace.
193 * cfgloopanal.c (dump_graph): Likewise.
194 * dojump.c (discard_pending_stack_adjust): Likewise.
195 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
197 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
198 * function.c (finalize_block_changes): Likewise.
199 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
200 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
201 * rtl.c (dump_rtx_statistics): Likewise.
202 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
204 * varray.c (dump_varray_statistics): Likewise.
205 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
206 decode_decimal64, encode_decimal128, decode_decimal128,
207 decimal_real_to_decimal): Likewise.
209 2006-07-07 Richard Guenther <rguenther@suse.de>
211 PR tree-optimization/28187
212 * tree-vrp.c (vrp_operand_equal_p): New function.
213 (vrp_bitmap_equal_p): Likewise.
214 (update_value_range): Use them to compare old and new
217 2006-07-06 Roger Sayle <roger@eyesopen.com>
219 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
220 a default case to switch statement to silence compiler warnings.
222 2006-07-06 Roger Sayle <roger@eyesopen.com>
225 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
226 the configured assembler supports the x87's ffreep mnemonic.
227 * configure: Regenerate.
228 * config.in: Regenerate.
230 * config/i386/i386.c (output_387_ffreep): New function.
231 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
232 (output_387_reg_move): Likewise.
234 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
236 Port to hosts whose 'sort' and 'tail' implementations
237 treat operands with leading '+' as file names, as POSIX
238 has required since 2001. However, make sure the code still
239 works on pre-POSIX hosts.
240 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
241 which says you should use "tail -c +N" rather than "tail +Nc".
242 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
244 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
246 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
249 2006-07-06 David Edelsohn <edelsohn@gnu.org>
252 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
253 PRE_{INC,DEC} of TFmode.
255 2006-07-06 David Edelsohn <edelsohn@gnu.org>
256 Alan Modra <amodra@bigpond.net.au>
259 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
262 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
265 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
266 Remove duplicate gtu.
268 2006-07-05 Jason Merrill <jason@redhat.com>
272 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
273 * c-common.c (handle_packed_attribute): So don't copy it here.
274 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
276 2006-07-05 Mike Stump <mrs@apple.com>
278 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
280 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
283 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
285 2006-07-05 Richard Guenther <rguenther@suse.de>
288 * config/i386/i386.md (*negdf2_1): Restrict pattern to
289 TARGET_SSE2 targets if using SSE math.
290 (*absdf2_1): Likewise.
292 2006-07-05 Richard Guenther <rguenther@suse.de>
294 PR tree-optimization/28162
295 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
296 make sure to convert the operands to the correct type.
298 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
300 PR tree-optimization/28218
302 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
303 to calculate and free the dominator information.
305 2006-07-04 Peter O'Gorman <peter@pogma.com>
307 * mklibgcc.in: chmod 644 before ranlib during install.
309 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
310 J"orn Rennecke <joern.rennecke@st.com>
312 * configure.ac (.eh_frame data check): Use diff -b.
314 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
317 * Makefile.in (BUILD_RTL): Add build/vec.o.
318 (build/gencondmd.o): Filter out -fkeep-inline-functions.
319 (build/genextract): Delete.
320 (build/genautomata): Likewise.
322 2006-07-04 Alan Modra <amodra@bigpond.net.au>
325 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
326 128-bit IBM long doubles for ABI_V4.
328 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
330 * tree.c (range_in_array_bounds_p): New predicate.
331 * tree.h (range_in_array_bounds_p): Declare it.
332 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
333 return a less conservative answer.
334 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
336 (IS_ELEMENT_FOR_GROUP): New macro.
337 (FOR_EACH_ACTUAL_CHILD): Likewise.
338 (next_child_for_group): New helper function.
339 (can_completely_scalarize_p): Take into account groups.
340 (sra_hash_tree): Handle RANGE_EXPR.
341 (sra_elt_eq): Likewise.
342 (lookup_element): Be prepared for handling groups.
343 (is_valid_const_index): Delete.
344 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
345 instead of is_valid_const_index.
346 <ARRAY_RANGE_REF>: New case.
347 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
348 is_valid_const_index.
349 <ARRAY_RANGE_REF>: Do not unconditionally punt.
350 (scan_dump): Dump info for groups too.
351 (decide_instantiation_1): Likewise.
352 (decide_block_copy): Assert that the element is not a group.
353 Propagate decision to groups.
354 (generate_one_element_ref): Handle RANGE_EXPR.
355 (mark_no_warning): Iterate over actual childs.
356 (generate_copy_inout): Likewise.
357 (generate_element_copy): Likewise.
358 (generate_element_zero): Likewise.
359 (generate_element_init_1): Likewise.
360 (dump_sra_elt_name): Handle RANGE_EXPR.
362 2006-07-03 Roger Sayle <roger@eyesopen.com>
364 PR tree-optimization/26251
365 * tree-ssa-threadupdate.c (redirection_block_p): New function.
366 (thread_block): When optimizing for size refuse to thread jumps
367 that would require duplication of blocks other than redirection
370 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
372 * configure.ac: Fix thinko in previous check-in.
373 * configure: Regenerate.
375 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
378 * configure.ac (for lang...): Simplify nesting of conditionals.
379 Test subdir_requires for non-enabled languages. Move processing
380 of lang_opt_files and lang_tree_fiels below that test.
381 * configure: Regenerate.
382 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
384 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
386 * doc/gcov.texi (Invoking Gcov): Add a missing word.
388 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
390 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
393 2006-06-29 Jason Merrill <jason@redhat.com>
400 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
401 * c-common.c (c_determine_visibility): Handle it here.
402 * c-decl.c (finish_decl): Call c_determine_visibility for
404 * flags.h (enum symbol_visibility): Sort from most to least visibility.
406 * varasm.c (default_assemble_visibility): Likewise.
407 * c-common.c (handle_visibility_attribute): Complain about trying
408 to give visibility to an already defined class, or trying to change
409 declared visibility. Always attach the attribute.
414 * attribs.c (decl_attributes): Ignore type-in-place attributes
415 once the type has been defined.
417 2006-06-29 Roger Sayle <roger@eyesopen.com>
420 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
421 to indicate the cpplib has issued an error message for us.
423 2006-06-29 Asher Langton <langton2@llnl.gov>
426 * config/i386/i386.c (ix86_output_function_epilogue): Don't
427 insert a label at the end of an function under Mach-O.
429 2006-06-29 Eric Christopher <echristo@apple.com>
430 Evan Cheng <evan.cheng@apple.com>
432 * predicates.md (vector_all_ones_operand): New.
433 (nonimmediate_or_sse_const_operand): Ditto.
434 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
435 * config/i386/i386.c (standard_sse_constant_opcode): Define.
436 (standard_sse_mode_p): Ditto.
437 (standard_sse_constant_p): Add case for -1 vector.
438 (ix86_expand_vector_move): Try to use.
439 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
440 Call standard_sse_constant_opcode.
441 (*movv4sf_internal): Ditto.
442 (*movv2df_internal): Ditto.
444 2006-06-29 Roger Sayle <roger@eyesopen.com>
446 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
447 of XEXP to extract the operands of a MATCH_CODE rtx.
449 2006-06-28 Andrew Pinski <pinskia@gmail.com>
451 * tree.c (tree_size): Do not waste tail padding in
452 struct tree_string and make the size be the same as
453 build_string will generate.
455 2006-06-28 Jason Merrill <jason@redhat.com>
458 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
459 may_aliases already in the tag's annotations to the bitmap.
461 2006-06-28 Roger Sayle <roger@eyesopen.com>
463 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
465 2006-06-28 Roger Sayle <roger@eyesopen.com>
467 * genpreds.c (generate_switch_p): New function.
468 (add_mode_tests): Push the new mode test down inside an AND expr
469 if this allows the switch-suitable MATCH_CODE to be near the root.
470 (write_match_code_switch): New function to write a MATCH_CODE as
472 (write_predicate_stmts): New function to write a predicate RTX
473 expression as a sequence of statements.
474 (write_one_predicate_function): Use write_predicate_stmts.
475 (write_tm_constrs_h): Likewise.
477 2006-06-26 Fred Fish <fnf@specifix.com>
479 * config/mips/t-sb1: New file.
480 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
483 2006-06-26 DJ Delorie <dj@redhat.com>
485 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
487 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
488 Jayant Sonar <jayants@kpitcummins.com>
489 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
491 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
492 (subsi3, subsi3_1, subsi3_2): New.
493 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
494 * config/m32c/mov.md (SI mov peephole): New.
495 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
496 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
498 2006-06-26 Olivier Hainque <hainque@adacore.com>
500 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
501 a CALL_EXPR target function declaration.
503 2006-06-26 Richard Guenther <rguenther@suse.de>
505 * tree.c (build_string): Do not waste tail padding in
508 2006-06-26 Richard Guenther <rguenther@suse.de>
510 * ggc-page.c (init_ggc): Add missing element to size_lookup
514 2006-06-23 Richard Guenther <rguenther@suse.de>
516 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
517 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
518 alignment requests instead. Add verification code.
519 Add struct tree_function_decl and struct tree_binfo size to
520 extra_order_size_table. Add missing element to size_lookup
523 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
526 * fold-const.c (const_binop): Be prepared for self returning zero.
527 Simplify code handling complex values.
529 2006-06-24 Olivier Hainque <hainque@adacore.com>
531 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
532 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
535 2006-06-24 Olivier Hainque <hainque@adacore.com>
537 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
538 ARRAY_REF, so have the callback called for the low bound expression.
540 2006-06-23 Janis Johnson <janis187@us.ibm.com>
542 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
543 * c-typeck.c (c_common_type): Disallow operations on decimal float
544 types and other float types.
545 * convert.c (convert_to_real): Don't ignore conversions involving
548 2006-06-23 Olivier Hainque <hainque@adacore.com>
550 * tree.c (max_int_size_in_bytes): New function, inspired from
551 code in function.c:assign_temp.
552 * tree.h (max_int_size_in_bytes): Declare.
553 * function.c (assign_temp): Use it.
554 * gimplify.c (create_tmp_var): Relax the assertions on the type
555 properties, not mandating constant size any more.
556 (force_constant_size): New static function.
557 (gimple_add_tmp_var): Use it, forcing variable size to a
558 constant upper bound if it is not constant on entry.
560 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
563 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
564 for initialization and setting of one_only flag to ...
565 (i386_pe_encode_section_info): ...here.
566 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
567 Recheck that the symbol has not been defined.
569 2006-06-23 Richard Guenther <rguenther@suse.de>
571 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
572 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
573 alignment requests instead. Add verification code.
574 Add struct tree_function_decl and struct tree_binfo size to
575 extra_order_size_table. Add missing element to size_lookup
578 2006-06-22 Roger Sayle <roger@eyesopen.com>
579 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
582 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
583 call to lang_hooks.types.type_for_mode returned NULL_TREE.
585 2006-06-23 Ben Elliston <bje@au.ibm.com>
587 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
588 negate dn -- manipulate it directly.
590 2006-06-22 Roger Sayle <roger@eyesopen.com>
591 Steven Bosscher <stevenb.gcc@gmail.com>
594 * reload1.c (gen_reload): Call mark_jump_label on the new insns
595 generated by gen_move_insn to add REG_LABEL notes if necessary.
597 2006-06-22 Bob Wilson <bob.wilson@acm.org>
599 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
600 (leaf_entry): Remove use of MIN_ESA.
602 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
604 PR rtl-optimization/28121
605 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
608 2006-06-21 DJ Delorie <dj@redhat.com>
610 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
612 (mulhisi3_r): Likewise.
614 2006-06-21 Richard Sandiford <richard@codesourcery.com>
617 * coverage.c (coverage_counter_alloc): Leave the index type
619 (coverage_counter_alloc): Use null arguments for operands 2 and 3
622 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
624 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
625 section from the "Options for Code Generation Conventions".
627 2006-06-21 Richard Henderson <rth@redhat.com>
631 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
633 (global_symbolic_operand): Allow weak symbols, even if local_p.
635 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
637 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
638 (find_interesting_uses_address): Punt if above function returns true.
640 2006-06-21 Richard Guenther <rguenther@suse.de>
642 * configure: Regenerated.
644 2006-06-21 Joseph Myers <joseph@codesourcery.com>
646 * config/mips/mips.c (function_arg): Where one part of a
647 complex argument is in registers and the other part in the stack,
648 return a REG not a PARALLEL.
650 2006-06-21 Mark Mitchell <mark@codesourcery.com>
652 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
653 when cross-compiling. Do not substitute libstdcxx_incdir.
654 * configure: Regenerated.
656 2006-06-21 Jakub Jelinek <jakub@redhat.com>
658 * varasm.c (mergeable_string_section): Check for embedded NULs and
659 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
660 rather than TREE_STRING_LENGTH bytes.
662 2006-06-21 Richard Guenther <rguenther@suse.de>
664 * ggc-page.c (extra_order_size_table): Add var_ann_d,
665 tree_ssa_name, bitmap_element and phi_node with 4 arguments
668 2006-06-21 Richrad Guenther <rguenther@suse.de>
670 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
671 Limit iteration over the dominators.
673 2006-06-20 Roger Sayle <roger@eyesopen.com>
675 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
676 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
678 2006-06-20 Richard Guenther <rguenther@suse.de>
679 Michael Matz <matz@suse.de>
681 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
683 * alloc-pool.c (free_alloc_pool_if_empty): New function.
684 * et-forest.h (et_free_pools): Prototype new function.
685 * et-forest.c (et_free_tree_force): Free parent occurrence.
686 (et_free_pools): New function.
687 * dominance.c (free_dominance_info): Free et-forest alloc
690 2006-06-20 Roger Sayle <roger@eyesopen.com>
692 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
693 integer modes, attempt to directly construct an integer constant.
695 * fold-const.c (native_encode_vector): Determine the size of each
696 element from the vector type instead of the first vector element.
698 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
699 if all of its elements/components are constant.
700 (build_constructor_from_list): Likewise.
702 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
704 PR tree-optimization/27331
705 * tree-data-ref.c (free_data_ref): New function.
706 (create_data_ref): Fail if the data reference has unknown access
708 (free_data_refs): Use free_data_ref.
710 2006-06-19 Andrew Pinski <pinskia@gmail.com>
713 * tree-inline.c (setup_one_parameter): Strip useless
714 type conversion before adding it to the IR.
715 (declare_return_variable): Likewise.
717 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
720 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
722 2006-06-19 Mike Stump <mrs@apple.com>
724 * tree.c (variably_modified_type_p): VM arguments don't make the
727 2006-06-19 Richard Guenther <rguenther@suse.de>
729 * tree-ssa-pre.c (try_combine_conversion): Strip useless
730 type conversions after folding.
732 2006-06-19 Richard Guenther <rguenther@suse.de>
734 * ggc-page.c (extra_order_size_tab): Add entries with
735 size of struct function and basic_block.
736 (size_lookup): Extend to cover sizes up to 511.
737 (ggc_alloc_stat): Adjust user.
738 (ggc_pch_count_object): Likewise.
739 (ggc_pch_alloc_object): Likewise.
740 (ggc_pch_write_object): Likewise.
742 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
744 * tree-ssa-loop-niter.c (implies_ge_p): New function.
745 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
748 2006-06-19 Denis Chertykov <denisc@overta.ru>
750 * config/avr/libgcc.S : Correct my wrong previous commit.
752 2006-06-19 Roger Sayle <roger@eyesopen.com>
755 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
756 have stripped a SUBREG from the shift count, so we may need to
757 convert_to_mode back to the type's mode before calling make_tree.
758 Use new_amount instead of amount to avoid expanding a tree twice.
760 2006-06-19 Richard Guenther <rguenther@suse.de>
763 * fold-const.c (operand_equal_p): Check if the argument types
764 have the same precision before stripping NOPs.
766 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
768 Fix PR tree-optimization/27341
769 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
771 * tree-complex.c (pass_lower_complex): Update SMT usage.
773 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
775 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
776 Add a new alternative to the constraint strings. Add move of
777 operand 1 to 3 to the splitter definition.
778 ("doloop_si_long"): Second contraint alternative removed.
780 2006-06-08 Anatoly Sokolov <aesok@post.ru>
782 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
783 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
785 (AVR_HAVE_MOVW) Define.
786 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
787 (ASM_SPEC): Add avr25.
788 (LINK_SPEC): Add avr25.
789 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
790 (base_arch_s): Add new member 'have_movw_lpmx'.
791 (avr_arch_types): Init 'have_movw_lpmx'.
792 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
793 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
794 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
795 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
796 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
798 (avr_file_start): Do not output '.arh' derective.
799 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
800 (__do_copy_data): Use __AVR_HAVE_LPMX__.
801 * config/avr/avr.md (mcu_enhanced): Delete.
802 (mcu_have_movw): Define.
803 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
804 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
805 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
806 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
807 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
808 attiny861 and at86rf401 devices.
810 2006-06-18 Jie Zhang <jie.zhang@analog.com>
812 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
815 2006-06-17 Karl Berry <karl@gnu.org>
817 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
818 doc/gccint.texi, doc/install.texi (@dircategory): Use
819 "Software development" instead of "Programming", following
820 the Free Software Directory.
822 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
824 * config/i386/i386.c (legitimate_tls_address)
825 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
826 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
827 (*tls_dynamic_gnu2_combine_64): Likewise.
829 2006-06-16 Richard Guenther <rguenther@suse.de>
832 * fold-const.c (negate_expr_p): Do not introduce undefined
833 overflow in negating INTEGER_CSTs.
834 (fold_negate_expr): Rename from negate_expr. Revert last
835 change for folding BIT_NOT_EXPR. Change semantics to
836 return NULL_TREE for non-simplified negations. Do not
837 strip type conversions and unify type handling.
838 (negate_expr): New function, wrap around fold_negate_expr
839 but ensure building a tree always. Strip type conversions
840 here, fold to result type.
841 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
843 2006-06-16 Roger Sayle <roger@eyesopen.com>
846 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
847 that (would) return their results in stack registers.
849 2006-06-16 Michael Matz <matz@suse.de>
850 Richard Guenther <rguenther@suse.de>
852 * fold-const.c (fold_truthop): Only return new tree node if
853 we canonicalized something.
855 2006-06-16 Richard Guenther <rguenther@suse.de>
857 * function.h (enum function_frequency): Move declaration
858 out of struct function.
859 (struct function): Move bool fields and the enum to the bitfield
860 section. Reorder elements to avoid padding. Remove unused
861 fields left over from the RTL inliner removal.
862 * function.c (free_after_compilation): Do not zero removed fields.
863 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
864 (ipa-type-escape.o): Likewise.
866 2006-06-16 Richard Guenther <rguenther@suse.de>
868 * cgraph.h (struct cgraph_local_info): Turn bool elements
870 (struct cgraph_node): Likewise.
871 (struct cgraph_varpool_node): Likewise.
873 2006-06-15 Richard Guenther <rguenther@suse.de>
875 * fold-const.c (fold_truth_not_expr): Rename from
876 invert_truthvalue. Give it fold_* semantics to avoid
878 (invert_truthvalue): New function. Wrapper around
880 (optimize_minmax_comparison): Avoid creating garbage.
881 (fold_unary): Use fold_truth_not_expr for folding
883 (fold_ternary): Replace uses of invert_truthvalue with
884 fold_truth_not_expr where applicable.
885 * tree.h (fold_truth_not_expr): Prototype.
887 2006-06-16 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/27781
890 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
891 * ipa-pure-const.c (target.h): Include.
892 (analyze_function): Do not analyze functions that do not
895 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
898 * tree-dfa.c (referenced_vars_dup_list): Remove.
899 (find_referenced_vars): Remove assert.
900 (referenced_var_check_and_insert): Replace dup list with assert.
901 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
902 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
904 2006-06-15 Richard Guenther <rguenther@suse.de>
906 * tree-ssa-structalias.c (alias_get_name): Avoid creating
907 extra unused identifiers if not dumping.
908 (create_variable_info_for): Likewise.
910 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
912 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
913 (derive_constant_upper_bound): Derive more precise upper bound in
914 common cases. Return type changed to double_int.
915 (record_estimate): Reflect the changed return type of
916 derive_constant_upper_bound.
917 * double-int.c (double_int_zext, double_int_sext): Fix.
919 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
921 * configure.ac (CFLAGS): Get them from the toplevel or from the
922 configure invocation.
923 * configure: Regenerate.
924 * Makefile.in (CFLAGS): Substitute value provided by configure.
926 2006-06-14 Mark Mitchell <mark@codesourcery.com>
929 * c-common.h (c_finish_omp_atomic): Adjust declaration.
930 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
931 rather than calling add_stmt on it.
932 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
934 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
937 * reload1.c (reload): Remove registers returned by update_eliminables
938 from used_spill_regs.
940 2006-06-13 DJ Delorie <dj@redhat.com>
942 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
944 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
946 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
947 html__strip_dir, html__mkdir_p. Enhance install-html target.
948 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
949 * configure: Regenerate.
951 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
953 * fold-const.c (fold_cond_expr_with_comparison): Check for
954 Objective-C++ as language in deciding COND_EXPR transformation.
956 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
959 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
960 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
961 * config/sh/lib1funcs.h (SL, SL1): Define.
962 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
963 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
964 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
965 (OBJS_Os_4_200): New variable.
966 ($(T)libgcc-Os-4-200.a): Use it.
967 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
968 when dividing 1 and/or by 0.
970 2006-06-13 Roger Sayle <roger@eyesopen.com>
972 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
973 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
974 * configure: Regenerate.
976 2006-06-13 Jie Zhang <jie.zhang@analog.com>
978 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
979 for real instruction.
981 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
984 * haifa-sched.c (check_cfg): Handle special case.
986 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
989 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
990 Add debug_info parameter. Chain the vars to the BLOCK instead
991 of the BIND_EXPR if debug info are requested for them.
992 (pop_gimplify_context): Adjust for above change.
993 (gimple_add_tmp_var): Likewise.
994 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
996 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
997 (convert_local_reference): Likewise.
998 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
999 (finalize_nesting_tree_1): Request that debug info be emitted
1000 for debug_var_chain.
1002 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1004 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1005 for PR target/27863.
1007 2006-06-13 Richard Guenther <rguenther@suse.de>
1010 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1012 2006-06-13 Richard Guenther <rguenther@suse.de>
1014 PR tree-optimization/27830
1015 * tree-inline.c (copy_body_r): For copying the operand
1016 of an ADDR_EXPR make sure to fold &* afterwards.
1018 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1020 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1021 lvalues in the fb_none case with side-effects.
1023 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1025 * tree-flow.h: Remove the prototype for
1026 compute_phi_arg_on_exit.
1027 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1028 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1031 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1033 * builtins.c (expand_builtin_return_addr): Only use
1034 frame_pointer_rtx when count == 0 and we are expanding
1035 __builtin_return_address.
1037 2006-06-12 Fred Fish <fnf@specifix.com>
1039 * config/mips/mips.c (mips_file_start): Create special section
1040 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1042 2006-06-11 Eric Christopher <echristo@apple.com>
1045 * stor-layout.c (place_field): Remove check for
1046 remaining_in_alignment when aligning at the end of a run.
1048 2006-06-11 Eric Christopher <echristo@apple.com>
1051 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1054 2006-06-11 Roger Sayle <roger@eyesopen.com>
1057 Revert incorrect fix for PR target/27158
1058 2006-05-08 Roger Sayle <roger@eyesopen.com>
1059 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1060 of a reg_equiv_constant if the result is a legitimate constant.
1062 2006-06-11 Roger Sayle <roger@eyesopen.com>
1065 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1066 extract a CONST_VECTOR element and interpret it as an integer.
1067 (vspltis_constant): Use const_vector_elt_as_int instead of the
1068 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1069 * config/rs6000/predicates.md (easy_vector_const): Consider
1070 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1072 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1075 * stor-layout.c (update_alignment_for_field): Don't add extra
1076 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1079 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1081 * config/mips/t-rtems: Add EL/EB multilib variants.
1083 2006-06-09 Mike Stump <mrs@apple.com>
1085 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1087 2006-06-09 David Daney <ddaney@avtrex.com>
1089 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1091 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1093 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1095 2006-06-09 Richard Guenther <rguenther@suse.de>
1097 PR tree-optimization/26998
1098 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1099 of signed types, only TYPE_MIN_VALUE is special, but for both,
1100 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1101 in this case, as is -fwrapv.
1103 2006-06-08 Mike Stump <mrs@apple.com>
1106 * config/darwin.c (darwin_asm_output_anchor): Disable
1107 -fsection-anchors on darwin for now.
1108 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1109 * rs6000/rs6000.c (optimization_options): Likewise.
1111 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1114 * config/i386/i386.c (classify_argument): Skip fields with invalid
1117 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1119 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1120 (cse_insn): Likewise for the stack_pointer_rtx.
1122 2006-06-08 Roger Sayle <roger@eyesopen.com>
1124 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1125 conditions from floating point comparisons.
1127 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1130 * expmed.c (struct alg_hash_entry): Fix type of field T
1131 to match synth_mult argument.
1132 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1134 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1137 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1140 2006-06-08 Richard Guenther <rguenther@suse.de>
1143 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1144 only, if overflow is defined and not trapping.
1145 (negate_expr): Likewise.
1147 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1149 PR tree-optimization/27872
1150 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1151 flag on the new exit edge of the unrolled loop.
1153 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1155 PR rtl-optimization/26449
1156 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1158 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1161 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1162 referenced_variables with matching DECL_UID's.
1163 (find_referenced_vars): Make sure duplicate list is empty to start.
1164 (referenced_var_p): Remove.
1165 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1166 Check if var is in the list, and add if needed. Update the duplicate
1167 list if a different var is in the list with the same DECL_UID.
1168 (add_referenced_var): Call routine to check and insert.
1169 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1170 * tree-flow.h (referenced_vars_dup_list): External declaration.
1172 2006-06-07 Fred Fish <fnf@specifix.com>
1174 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1177 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1180 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1181 the imaginary and real parts of a clobbered register.
1182 Emit insn to set the imaginary part.
1184 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1186 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1187 in lieu of unwind-dw2-fde.c.
1189 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1191 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1193 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1196 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1197 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1198 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1199 V4SImode temporaries and operations instead.
1201 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1203 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1206 2006-06-06 Mike Stump <mrs@apple.com>
1208 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1209 installing during build.
1211 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1213 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1215 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1216 * config/ia64/ia64.c (params.h): New header.
1217 (ia64_optimization_options): New function to adjust parameters.
1218 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1219 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1220 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1222 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1224 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1226 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1229 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1231 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1232 Victor Kaplansky <victork@il.ibm.com>
1234 PR tree-optimization/26360
1235 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1238 2006-06-04 Roger Sayle <roger@eyesopen.com>
1239 Andrew Pinski <pinskia@physics.uc.edu>
1242 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1243 for LABEL_DECL before calling DECL_WEAK.
1246 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1247 LABEL_DECL and PARM_DECL.
1249 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1253 * c-decl.c (grokdeclarator): Disallow variably modified types at
1254 file scope. Avoid marking shared array type of constant size as
1257 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1260 * c-common.c (fold_offsetof_1): Handle static members.
1262 2006-06-04 Eric Christopher <echristo@apple.com>
1264 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1265 (debug_rli): Output value for remaining_in_alignment.
1266 (update_alignment_for_field): Unconditionalize
1267 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1268 extra alignment code.
1269 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1270 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1271 * tree.h (record_layout_info_s): Remove prev_packed.
1272 * doc/extend.texi (ms_struct): Add documentation of format.
1274 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1276 * tree.h: Declare folding_initializer.
1277 * builtins.c (fold_builtin_constant_p): Give definite answer
1278 if folding inside an initializer.
1279 * fold-const.c: Define folding_initializer.
1280 (START_FOLD_INIT): Save and then set folding_initializer.
1281 (END_FOLD_INIT): Restore folding_initializer.
1283 2006-06-04 Richard Guenther <rguenther@suse.de>
1285 PR tree-optimization/27039
1286 * fold-const.c (fold_comparison): Handle pointer comparison
1287 again for all comparison codes. Compare offsets in signed
1289 (fold_binary): Move code from here.
1291 2006-06-03 Roger Sayle <roger@eyesopen.com>
1294 * config/i386/i386.c (construct_container): Split static issued_error
1295 flag into issued_sse_arg_error, issued_sse_ret_error and
1296 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1297 requires the use of x87 registers and the user explicitly
1298 specified the -mno-80387 command line option.
1300 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1302 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1303 HAVE_DECL_SIGALTSTACK.
1305 (segv_handler): Use MC_FLD.
1306 * configure.ac: Check for a sigaltstack declaration.
1307 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1308 * configure: Regenerate.
1309 * config.in: Regenerate.
1311 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1314 * Makefile.in (stmp-fixinc): Fix typo.
1316 2006-06-02 Roger Sayle <roger@eyesopen.com>
1318 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1319 are type correct. Clean-up.
1320 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1321 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1323 2006-06-01 DJ Delorie <dj@redhat.com>
1325 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1326 shift, as we've disabled the "switch" insn that needs it.
1328 2006-06-01 Per Bothner <bothner@bothner.com>
1330 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1331 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1332 * c-ppoutput.c (cb_define): Don't increment line 0.
1334 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1336 * doc/invoke.texi: Add cpu_type power6.
1337 * config.gcc: Add cpu_type power6.
1338 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1339 to power5+ with Altivec.
1340 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1341 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1343 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1345 * config/avr/avr.h (SET_ASM_OP): Define.
1347 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1349 * config/bfin/bfin.c: Fix comment typos.
1351 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1354 * doc/install.texi: Document --enable-bootstrap and
1355 --disable-bootstrap.
1357 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1359 * doc/install.texi: Document that InfoZIP can replace jar.
1361 2006-05-31 Roger Sayle <roger@eyesopen.com>
1363 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1364 isn't available, directly generate the simpler x87 patterns without
1365 the (use (const_int 0)).
1366 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1367 implementation isn't available.
1368 (*negdf2_1): Likewise.
1369 (*negxf2_1): XF mode negation is always done using the x87.
1370 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1372 2006-05-31 Roger Sayle <roger@eyesopen.com>
1374 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1375 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1377 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1379 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1381 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1382 * config/bfin/bfin.c (basic-block.h): Include.
1383 (struct machine_function): New.
1384 (bfin_init_machine_status): New.
1385 (override_options): Initialize init_machine_status.
1386 (bfin_hardware_loop): New.
1387 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1388 (DEF_VEC_P (loop_info)): New.
1389 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1390 (struct loop_info): New.
1391 (loop_info): New typedef.
1392 (struct loop_work): New.
1393 (loop_work): New typedef.
1394 (DEF_VEC_O (loop_work)): New.
1395 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1396 (bfin_dump_loops): New.
1397 (bfin_bb_in_loop): New.
1398 (bfin_scan_loop): New.
1399 (bfin_optimize_loop): New.
1400 (bfin_reorg_loops): New.
1401 (bfin_reorg): Use bfin_reorg_loops.
1402 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1404 (I_REGNO_P): Simplify.
1405 (DP_REGNO_P, DPREG_P): New macros.
1406 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1407 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1408 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1409 Add LT_REGS, LC_REGS, LB_REGS.
1410 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1412 (REGNO_REG_CLASS): Deal with loop registers.
1413 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1415 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1416 New constants for loop registers.
1417 (UNSPEC_LSETUP_END): New.
1418 (seq_insns): New define_attr. Set it for appropriate insns.
1419 (movsi_insn): Add alternatives for move from/to
1420 loop count registers.
1421 (doloop_end): New define_expand.
1422 (loop_end): New define_insn.
1423 (define_split for bad doloop_end): New.
1424 (lsetup_with_autoinit): New define_insn.
1425 (lsetup_without_autoinit): New define_insn.
1426 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1427 * config/bfin/predicates.md (lc_register_operand): New.
1428 (lt_register_operand): New.
1429 (lb_register_operand): New.
1430 (nondp_register_operand): New.
1431 (nondp_reg_or_memory_operand): New.
1432 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1434 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1436 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1437 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1439 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1441 * Makefile.in (CATALOGS): Add po/ prefix.
1442 * configure: Regenerated.
1444 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1447 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1448 a shift operand before calling shift_op. Avoid redundant call of
1451 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1452 DJ Delorie <dj@redhat.com>
1454 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1455 we're inserting is a singlt-bit constant.
1457 2006-05-30 Roger Sayle <roger@eyesopen.com>
1459 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1460 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1462 2006-05-30 Roger Sayle <roger@eyesopen.com>
1464 PR tree-optimization/23452
1465 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1466 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1467 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1468 complex values and with -ffast-math for FP complex values.
1470 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1472 * c-common.h: Remove the prototype for yyparse.
1473 * rtl.h: Remove the prototype for init_loop.
1475 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1477 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1480 2006-05-30 Roger Sayle <roger@eyesopen.com>
1482 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1484 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1485 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1487 2006-05-30 Dirk Mueller <dmueller@suse.de>
1490 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1491 for CONSTANT_CLASS_P expresisons.
1493 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1496 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1498 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1500 PR tree-optimization/27779
1501 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1502 initial_condition instead of CHREC_LEFT.
1504 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1506 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1507 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1508 Make prototypes ISO C90.
1510 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1511 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1513 * see.c (see_analyze_one_def): Correct check.
1514 (see_get_extension_data): Check if extension is parallel.
1515 (see_get_extension_reg): Likewise.
1517 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1520 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1521 into register for (code == GTU).
1523 2006-05-29 Roger Sayle <roger@eyesopen.com>
1525 PR tree-optimization/24964
1526 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1527 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1528 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1529 abs(x)*abs(x) as x*x for scalar floating point modes.
1531 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1534 * lambda-code.c (perfect_nestify): Don't copy statements
1535 in the inner loop: move them to the inner loop header.
1537 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1540 * c-tree.texi: Document OpenMP directives and clauses.
1542 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1544 * varasm.c (globalize_decl): Fix indentation.
1546 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1549 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1550 pass_fre, pass_store_ccp, pass_copy_prop,
1551 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1552 pass_return_slot, pass_object_size, pass_lim,
1553 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1554 pass_loop_prefetch and pass_stdarg.
1556 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1558 * config/bfin/bfin.opt (mfdpic): New option.
1559 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1560 (EXTRA_MULTILIB_PARTS): Likewise.
1561 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1562 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1564 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1565 (CRT_CALL_STATIC_FUNCTION): New.
1566 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1568 (CRT_CALL_STATIC_FUNCTION): New.
1569 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1571 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1572 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1573 (initialize_trampoline): Changed to handle FD-PIC code generation.
1574 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1575 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1576 (override_options): Disallow -mid-shared-library -mfdpic combination.
1577 Can't do unaligned ops if FD-PIC.
1578 Turn off flag_pic if trying to generate non-id-shared-library
1579 non-fdpic code, since it's not supported.
1580 (bfin_assemble_integer): New function.
1581 (TARGET_ASM_INTEGER): Define.
1582 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1584 * config/bfin/crtn.s: Restore them.
1585 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1587 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1588 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1589 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1590 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1591 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1593 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1594 FDPIC_REGS and FDPIC_FPTR_REGS.
1595 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1596 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1597 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1598 (load_funcdescsi): New pattern.
1599 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1600 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1601 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1603 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1605 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1608 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1610 * tree-flow.h: Remove the prototype for add_type_alias.
1611 * tree-ssa-alias.c (add_type_alias): Remove.
1613 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1615 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1616 config/fr30/fr30.md, config/i386/i386-interix.h,
1617 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1618 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1619 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1620 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1621 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1622 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1623 Follow spelling conventions.
1624 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1625 Follow spelling conventions.
1627 2006-05-27 Richard Guenther <rguenther@suse.de>
1630 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1631 to produce a constant of value 1 of generic type.
1633 2006-05-27 Dirk Mueller <dmueller@suse.de>
1635 * cgraphunit.c (decide_is_function_needed): Fix wrong
1638 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1640 PR rtl-optimization/27661
1641 * reload.c (find_reloads): When reloading a VOIDmode constant
1642 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1643 use Pmode as mode of the reload register.
1645 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1647 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1648 is enabled at -O and above.
1650 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1653 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1656 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1659 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1660 for anonymous variables explicitly declared by front ends.
1662 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1664 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1665 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1666 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1667 ref-all pointers, run a finalization pass for them.
1668 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1669 (finalize_ref_all_pointers): New function.
1670 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1671 regular pointer type to a ref-all pointer type.
1672 (get_tmt_for): Return the special memory tag for ref-all pointers.
1674 2006-05-25 Richard Guenther <rguenther@suse.de>
1677 * fold-const.c (fold_binary): Do not look at the stripped
1678 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1680 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1682 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1683 for LT and GT if the computed range is effectively empty.
1685 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1688 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1689 mips_quad_format formats instead of ieee_single_format,
1690 ieee_double_format and ieee_quad_format formats, respectively.
1692 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1694 PR tree-optimization/27639
1695 PR tree-optimization/26719
1696 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1697 call to scev_probably_wraps_p.
1698 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1699 used_in_pointer_arithmetic_p, convert_step): Removed.
1700 (nowrap_type_p): New function.
1701 (scev_probably_wraps_p): Rewritten.
1702 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1703 chrec_convert if chrec_convert_aggressive might have been used.
1704 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1705 scev_direction): New functions.
1706 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1707 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1708 instead of convert_step.
1709 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1710 (convert_step): Declaration removed.
1711 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1713 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1715 * df-core.c: Added to header comments.
1716 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1717 df_ur_bb_info, df_urec_bb_info): Added comments.
1718 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1719 urec, ri problems): Fixed header comments.
1720 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1721 code from df_rd_transfer_function.
1723 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1725 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1726 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1727 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1729 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1731 * expr.c (undefined_operand_subword_p): New.
1732 (emit_move_multi_word): Do not generate move from undefined bits
1733 of a paradoxical subreg.
1735 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1737 PR rtl-optimization/27736
1738 * combine.c (replaced_rhs_value): New variable.
1739 (combine_instructions): Set it.
1740 (distribute_notes): When distributing a note in replaced_rhs_insn,
1741 check whether the value was used in replaced_rhs_value.
1743 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1746 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1747 add_referenced_var instead of add_referenced_tmp_var.
1748 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1749 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1751 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1752 tree_optimize_tail_calls_1): Use add_referenced_var.
1753 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1754 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1755 Use add_referenced_var.
1756 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1757 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1758 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1759 Use add_referenced_var.
1760 * tree-dfa.c (struct walk_state): Remove.
1761 (find_referenced_vars): Remove walk state and vars_found hash table.
1762 (make_rename_temp): Use add_referenced_var.
1763 (find_vars_r): Pass less parameters to add_referenced_var.
1764 (referenced_var_p): New. Is var in referenced_var hash table.
1765 (referenced_var_insert): Assert var isn't already in hash table.
1766 (add_referenced_var): Don't need walk_state parameter. Add var if it
1767 isn't already in the hash table.
1768 (add_referenced_tmp_var): Remove.
1769 (find_new_referenced_vars_1): Use add_referenced_var.
1770 * tree-ssa-pre.c (create_expression_by_pieces,
1771 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1772 Use add_referenced_var.
1773 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1774 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1775 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1777 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1778 vect_create_data_ref_ptr, vect_create_destination_var,
1779 vect_init_vector, vect_build_loop_niters,
1780 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1781 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1782 Use add_referenced_var.
1783 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1784 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1785 (add_referenced_var): Add prototype.
1786 * tree-ssa-structalias.c (get_constraint_for,
1787 intra_create_variable_infos): Use add_referenced_var.
1789 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1791 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1792 big-endian paradoxical subregs.
1793 * var-tracking.c (struct micro_operation_def): Document that,
1794 for modify micro operations, insn is the subsequent instruction.
1795 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1796 (var_reg_set, var_mem_set): ... new functions.
1797 (add_stores): Record subsequent insn.
1798 (compute_bb_dataflow): Use new functions for MO_USE.
1799 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1800 notes after the insn, and modify notes before the insn known
1801 to be the subsequent one.
1802 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1804 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1807 * config/i386/i386.c (ix86_expand_builtin): Use
1808 gen_sse3_monitor64 for TARGET_64BIT.
1810 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1812 PR rtl-optimization/26375
1813 PR rtl-optimization/26855
1814 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1816 (df_ru_bb_local_compute): Reversed statements and removed bogus
1817 comment explaining why they should be in wrong order.
1818 (df_ru_dump, df_rd_dump): Enhanced debug info.
1819 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1821 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1822 reaching uses and fixed space problem.
1824 2006-05-23 Jan Hubicka <jh@suse.cz>
1826 * cgraphunit.c (decide_is_function_needed): Also nested functions
1827 and functions declared inline can be optimized out at -O0.
1829 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1831 * doc/install.texi (Configuration): Remove reference to CrossGCC
1835 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1838 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1839 ix86_compare_emitted is non-NULL.
1841 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1844 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1847 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1849 PR rtl-optimization/25514
1850 * combine.c (replaced_rhs_insn): New variable.
1851 (combine_instructions): Set replaced_rhs_insn when trying to replace
1852 a SET_SRC with a REG_EQUAL note.
1853 (distribute_notes): Use replaced_rhs_insn when determining the live
1854 range of a REG_DEAD register.
1856 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1857 Anatoly Sokolov <aesok@post.ru>
1859 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1860 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1861 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1862 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1863 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1864 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1865 at90usb647, at90usb1286 and at90usb1287 devices.
1866 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1867 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1869 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1871 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1873 2006-05-22 Richard Guenther <rguenther@suse.de>
1876 2006-01-31 Richard Guenther <rguenther@suse.de>
1877 Paolo Bonzini <bonzini@gnu.org>
1879 * doc/install.texi (--disable-libgcc-math): Document.
1881 2006-05-22 Richard Guenther <rguenther@suse.de>
1884 2006-01-31 Richard Guenther <rguenther@suse.de>
1886 * doc/invoke.texi (-msselibm): Document.
1887 * target.h (expand_library_builtin): New target hook.
1888 * builtins.c (expand_builtin): Use expand_library_builtin.
1889 (default_expand_library_builtin): New function.
1890 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1891 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1892 (link_gcc_math_spec): Declare.
1893 (static_specs): Add link_gcc_math_spec.
1894 * expr.h (default_expand_library_builtin): Declare.
1895 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1896 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1897 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1898 * config/i386/i386.opt (msselibm): New target option.
1899 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1900 (ix86_init_sse_abi_builtins): New function.
1901 (ix86_expand_library_builtin): Likewise.
1902 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1903 (override_options): Handle error conditions wrt -msselibm.
1904 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1905 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1906 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1909 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1912 * c-common.c (self_promoting_args_p): Skip erroneous args.
1915 * c-decl.c (finish_struct): Skip erroneous fields.
1917 2006-05-22 Nick Clifton <nickc@redhat.com>
1919 * config/cris/cris.opt (march): Remove VarExists attribute.
1920 (max-stackframe=): Likewise.
1922 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1924 * doc/rtl.texi: Fix a typo.
1925 * see.c: Fix comment typos.
1927 * tree-ssa-structalias.h (alias_info): Remove num_references.
1929 2006-05-21 Mike Stump <mrs@apple.com>
1931 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1933 (darwin_pragma_options): Use BAD instead.
1934 (darwin_pragma_unused): Likewise.
1935 (darwin_pragma_ms_struct): Likewise.
1937 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1939 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1941 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1943 PR rtl-optimization/27671
1944 * simplify-rtx.c (simplify_relational_operation_1): Fix
1945 simplifications of (eq/ne (xor x y) y) and
1946 (eq/ne (xor x y) x).
1948 PR tree-optimization/26622.
1949 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1952 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1954 * tree-cfg.c: Prune whitespace.
1955 (debug_tree_cfg): Point to correct header containing the
1958 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1961 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1963 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1966 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1967 or sorry count is non zero.
1969 2006-05-20 Andreas Schwab <schwab@suse.de>
1971 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1973 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1974 Kenneth Zadeck <zadeck@naturalbridge.com>
1976 PR rtl-optimization/26855
1978 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1980 (df_scan_alloc): Added code to properly handle multiword hard
1981 registers and add all_blocks parameter.
1982 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1983 code to properly handle multiword hard registers.
1984 (df_rescan_blocks): Added code to remove deleted blocks from
1986 (df_ref_create_structure, df_ref_record): Added code to properly
1988 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1989 and set DF_REF_PARTIAL.
1990 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1991 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1992 (df_scan_add_problem): Added flags parameter.
1993 (df_ref_create_structure): Changed switching structure.
1994 (df_bb_refs_record): Fixed case where duplicate artificial refs
1995 were created. Changed location of flags.
1996 (df_record_entry_block_defs): Added code to make stack pointer
1997 live in entry block. Refined cases where frame pointer is needed.
1998 Changed location of flags.
1999 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2000 (df_set_state): Removed function.
2001 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2002 df_insn_create_insn_record, df_insn_refs_delete,
2003 df_ref_create_structure): Formatting changes.
2004 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2005 df_delete_basic_block): New function.
2006 (df_init): Changed location of flags.
2007 (df_add_problem): Added flags parameter and the way flags are
2009 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2010 debug_df_chain): Improved debugging output.
2011 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2012 (df_refs_chain_dump): Removed df parameter.
2013 (df_iterative_dataflow): Added consistency check.
2014 (df_prune_to_subcfg): Made public.
2015 (df_analyze_problem): Added blocks_to_init parameter and made
2017 (df_ref_record, df_bb_refs_record, df_mark_reg,
2018 df_record_exit_block_uses): Whitespace changes.
2019 (df_dump): Whitespace changes.
2020 * df.h: Some reordering to remove forward references.
2021 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2022 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2023 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2024 (dataflow.flags): New field.
2025 (df.flag): Deleted field.
2026 (df_alloc_function): Added additional bitmap parameter.
2027 (df_dependent_problem_function): New type.
2028 (df_problem.changeable_flags): New field.
2029 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2030 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2031 (df_mw_hardreg): New struct.
2032 (DF_INSN_UID_MWS): New macro.
2033 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2035 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2036 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2037 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2038 (df_set_state): Removed function.
2039 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2040 * df-problems.c (df_chain_dump): Removed df parameter.
2041 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2042 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2044 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2045 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2046 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2047 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2048 DF_REF_MUST_CLOBBER cases.
2049 (df_ru_bb_local_compute_process_def,
2050 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2051 df_lr_bb_local_compute, df_ur_bb_local_compute,
2052 df_chain_create_bb): Made subreg aware.
2053 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2054 df_lr_bb_local_compute, df_lr_bb_local_compute,
2055 df_chain_create_bb): Cleanup to use proper macros.
2056 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2057 code to fixup bitvectors.
2058 (df_ri_alloc): Cleared lifetime.
2059 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2060 df_create_unused_note): New function.
2061 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2062 REG_DEAD and REG_UNUSED notes as well as register information.
2063 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2064 df_chains_dump): Fixed crash if problem was never run.
2065 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2066 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2067 df_ri_add_problem): Processes flags in uniform manner.
2068 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2069 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2070 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2071 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2072 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2073 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2074 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2075 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2076 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2077 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2078 * see.c (see_initialize_data): Ditto.
2079 * final.c (rest_of_clean_state) Added regstack_completed.
2080 * rtl.h (regstack_completed): Ditto.
2081 * reg-stack.c (regstack_completed): Ditto.
2083 2006-05-19 Mike Stump <mrs@apple.com>
2085 * c-tree.h (default_conversion): Remove.
2086 * c-common.h (default_conversion): Add.
2088 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2090 * tree-vrp.c (valid_value_p): New function.
2091 (adjust_range_with_scev): Fail if the value of bound is not
2094 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2096 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2097 (mips_fallback_frame_state): Use syscall numbers to determine
2098 the appropriate li instruction for the current ABI. Only use
2099 __NR_sigreturn for o32.
2101 2006-05-19 Nicolas Setton <setton@adacore.com>
2103 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2104 * langhooks.c (lhd_dwarf_name): New function.
2105 * langhooks-def.h (lhd_dwarf_name): Declare.
2106 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2107 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2108 * ada/misc.c (gnat_dwarf_name): New function.
2109 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2111 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2113 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2115 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2116 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2117 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2118 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2119 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2120 determine the size of Wtype, etc.
2121 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2122 (swfloatfuncs): New variable.
2123 (dwfloatfuncs): Likewise.
2124 (lib2funcs): Remove floating-point conversion functions from
2125 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2126 the set of conversion routines needed. Allow entries to specify
2127 an object name, filename and word size. Update users accordingly.
2128 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2129 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2133 2006-02-08 Roger Sayle <roger@eyesopen.com>
2136 * config/fixtfdi.c: New libgcc source file.
2137 * config/fixunstfdi.c: New source file.
2138 * config/floatditf.c: New source file.
2139 * config/floatunditf.c: New souce file.
2140 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2141 files above instead of config/mips/_tilib.c.
2142 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2144 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2146 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2147 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2149 2006-05-18 Mike Stump <mrs@apple.com>
2151 Fix up vla, vm and [*] sematics.
2157 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2158 (c_vla_unspec_p): Add.
2159 (c_vla_type_p): Add.
2160 * c-decl.c (struct c_scope): Add had_vla_unspec.
2161 (build_array_declarator): Add support for [*].
2162 (grokdeclarator): Likewise.
2163 (grokparms): Likewise.
2164 (get_parm_info): Likewise.
2165 * c-objc-common.c (c_vla_unspec_p): Likewise.
2166 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2167 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2168 typeof when argument is a variably modified type not inside sizeof or alignof.
2169 (c_parser_direct_declarator_inner): Propagate errors.
2170 (c_parser_sizeof_expression): Add support for [*].
2171 (c_parser_parms_declarator): Initialize had_vla_unspec.
2172 (c_parser_parms_list_declarator): Likewise.
2173 * c-typeck.c (c_vla_type_p): Add.
2174 (composite_type): Add support for vla compositing.
2175 (comptypes_internal): Add support for vla compatibility.
2176 (c_expr_sizeof_expr): Evaluate vla arguments.
2177 * tree.c (variably_modified_type_p): Update comment for [*].
2179 2006-05-18 Michael Matz <matz@suse.de>
2182 * config.host: Make assignments to host_xmake_file cumulative.
2183 * config.host (*-darwin*): Test $host, not $target.
2185 2006-05-12 Stuart Hastings <stuart@apple.com>
2187 * config/i386/i386.opt (-mstackrealign): New flag.
2188 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2189 (ix86_handle_cconv_attribute): Emit error when
2190 force_align_arg_pointer attribute collides with too many regparms.
2191 (ix86_function_regparm): Limit regparms when used with
2192 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2193 Support stack-realigning prologue in non-main functions. Emit
2194 warning for nested functions under -mstackrealign, emit error for
2195 nested functions with force_align_arg_pointer attribute.
2196 * doc/extend.texi (force_align_arg_pointer): Document it.
2197 * doc/invoke.texi (-mstackrealign): Document it.
2199 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2201 PR rtl-optimization/27477
2202 * combine.c (try_combine): Don't split a parallel consisting
2203 of two sets into two individual sets if both sets reference
2206 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2208 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2209 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2211 * doc/options.texi (VarExists): Updated.
2213 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2215 * unwind-dw2.c: Add declarations for uw_update_context and
2217 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2218 detected, advance frame state and context once to skip over stub.
2220 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2224 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2225 Call rewrite_into_loop_closed_ssa only when something changed.
2226 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2227 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2228 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2229 Test for perfect_nest_p here. Fix formating.
2230 (replace_uses_equiv_to_x_with_y): Fix formating.
2231 (stmt_uses_op): Removed.
2232 (can_convert_to_perfect_nest): Removed loopivs parameter.
2233 Complete the test by checking the scalar dependences.
2234 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2237 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2240 From Dan Kegel <dank@kegel.com>:
2241 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2243 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2245 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2246 if the element type is variably modified without recursing.
2248 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2251 * tree-loop-linear.c (try_interchange_loops): Test for
2252 no data dependences.
2254 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2256 PR tree-optimization/27548
2257 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2258 range of ssa names that appear on abnormal edges.
2259 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2260 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2262 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2265 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2267 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2270 * tree.h (OMP_PARALLEL_COMBINED): Define.
2271 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2272 (new_omp_context): Add is_combined_parallel argument.
2273 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2274 new_omp_context caller.
2275 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2276 Adjust gimplify_scan_omp_clauses callers.
2277 (omp_is_private): Issue errors if iteration variable is firstprivate
2278 or reduction in the current context.
2279 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2280 on combined parallel workshare constructs.
2282 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2284 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2285 (gcc-options.o): New rule.
2287 * optc-gen.awk: Protect variables for gcc-options.o with
2288 #ifdef GCC_DRIVER/#endif.
2290 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2292 Fix PR tree-optimization/27373
2293 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2294 (forward_propagate_addr_expr): Update call.
2296 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2298 * doc/options.texi: Move the Negative option.
2300 2006-05-16 Richard Guenther <rguenther@suse.de>
2302 PR tree-optimization/22303
2303 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2305 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2306 ccp_fold did not simplify the statement.
2308 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2311 * Makefile.in (GCC_OBJS): New.
2312 (OBJS-common): Add opts-common.o.
2313 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2314 (cpp$(exeext)): Likewise.
2315 (gcc.o): Also depend on opts.h.
2316 (opts-common.o): New.
2318 * common.opt (gcoff): Add Negative(gdwarf-2).
2319 (gdwarf-2): Add Negative(gstabs).
2320 (gstabs): Add Negative(gstabs+).
2321 (gstabs+): Add Negative(gvms).
2322 (gvms): Add Negative(gxcoff).
2323 (gxcoff): Add Negative(gxcoff+).
2324 (gxcoff+): Add Negative(gcoff).
2325 * config/i386/i386.opt (m32): Add Negative(m64).
2326 (m64): Add Negative(m32).
2328 * doc/options.texi: Document the Negative option.
2330 * gcc.c: Include "opts.h".
2331 (main): Call prune_options after expandargv.
2333 * optc-gen.awk: Generate common declarations for all flag
2334 variables in options.c. Output the neg_index field.
2336 * opts.c (find_opt): Moved to ...
2337 * opts-common.c: Here. New file.
2339 * opts.h (cl_option): Add a neg_index field.
2341 (prune_options): Likewise.
2343 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2346 * omp-low.c (expand_omp_parallel): Don't assert
2347 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2348 instead search for it.
2351 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2354 2006-05-16 Andreas Schwab <schwab@suse.de>
2356 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2359 2006-05-15 Roger Sayle <roger@eyesopen.com>
2362 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2363 integer constants other than zero are only legitimate on TARGET_64BIT.
2364 <CONST_VECTOR> Only zero vectors are legitimate.
2365 (ix86_cannot_force_const_mem): Integral and vector constants can
2366 always be put in the constant pool.
2368 2006-05-16 DJ Delorie <dj@redhat.com>
2370 * crtstuff.c (__dso_handle): Set section from
2371 TARGET_LBIGCC_SDATA_SECTION if defined.
2372 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2373 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2375 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2378 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2381 2006-05-16 Ben Elliston <bje@au.ibm.com>
2383 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2385 2006-05-15 Per Bothner <per@bothner.com>
2387 * tree.c: (last_annotated_node): Use source_locus typedef.
2388 This permits bootstrapping with --enable-mapped-location.
2390 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2392 PR tree-optimization/26830
2393 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2394 (info_for_ssa_name, current_info_for_ssa_name_age,
2395 blocks_to_update): New variables.
2396 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2397 (clear_ssa_name_info, initialize_flags_in_bb,
2398 mark_block_for_update): New functions.
2399 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2400 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2401 prepare_def_site_for): Use mark_block_for_update.
2402 (mark_def_interesting): Assert that the processed block is marked in
2403 blocks_to_update. Do not take blocks argument.
2404 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2406 (rewrite_update_init_block, rewrite_update_stmt): Only process
2407 blocks with statements to rewrite.
2408 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2409 (update_ssa): Initialize and free blocks_to_update. Do not
2410 clear flags on statements. Do not use blocks bitmap.
2411 * tree.h (SSA_NAME_AUX): Removed.
2412 (struct tree_ssa_name): Removed aux field.
2413 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2415 2006-05-15 Richard Guenther <rguenther@suse.de>
2417 PR tree-optimization/27603
2418 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2419 Do computations in original type.
2421 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2423 * see.c: Code style changes such as redundant paranthesis,
2424 redundant intialization of local variables etc.
2425 (see_main): Declared now as static.
2426 * doc/invoke.texi: Update that -fsee is not enabled by
2429 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2431 * omp-low.c (check_omp_nesting_restrictions): New function.
2432 (scan_omp_1): Call it.
2435 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2436 construct, return *VAR.
2438 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2440 PR rtl-optimization/27406
2441 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2444 2006-05-14 Roger Sayle <roger@eyesopen.com>
2446 PR rtl-optimization/27538
2447 * combine.c (expand_compound_operation): Call gen_lowpart
2448 before calling simplify_shift_const.
2450 2006-05-14 Roger Sayle <roger@eyesopen.com>
2452 PR rtl-optimization/22563
2453 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2454 a fixed width bitfield, always force the intermediates into psuedos.
2456 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2459 * mkconfig.sh: Use operator = instead of == for test.
2461 2006-05-13 Nick Clifton <nickc@redhat.com>
2463 * dwarf2out.c (dbx_reg_number): Check return value from
2464 LEAF_REG_REMAP and only use it if it is valid.
2465 (multiple_reg_loc_descriptor): Likewise.
2467 2006-05-13 Richard Guenther <rguenther@suse.de>
2469 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2472 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2474 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2475 information attached to non-INSNs such as NOTEs.
2476 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2478 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2480 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2482 * config/s390/s390.md: Adjust comment describing On constraint.
2484 2006-05-11 Jan Hubicka <jh@suse.cz>
2486 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2487 to be output at -O0.
2489 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2492 * fold-const.c (size_binop): Move sanity check for arguments to
2493 the beginning of the function.
2496 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2499 2006-05-11 Richard Guenther <rguenther@suse.de>
2502 * fold-const.c (fold_unary): Handle intermediate conversion
2503 to a pointer type like intermediate conversion to an integer
2504 type in folding of (T1)(T2)var to var.
2505 Match the code to the comment in the final conversion for
2506 (T1)(T2)var to (T1)var regarding to type precision. Rather
2507 than disallow T1 being of pointer type, assert that both T1
2508 and var are of pointer type or not. Make sure not to fall
2509 over the frontends lazyness wrt array to pointer decay though.
2511 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2513 * arm.c (arm_struct_value_rtx): Delete.
2514 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2515 (arm_init_cumulative_args): Always initialize nregs to zero.
2517 2006-05-10 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/27532
2520 * tree-object-size.c (plus_expr_object_size): Fix typo.
2522 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2525 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2526 ashrdi_const, ashrdi3): Use a scratch register.
2528 2006-05-10 Richard Guenther <rguenther@suse.de>
2530 PR tree-optimization/27302
2531 * fold-const.c (operand_equal_p): For two comparisons,
2532 try comparison of one comparison code swapped if that yields
2535 2006-05-10 Ben Elliston <bje@au.ibm.com>
2537 * tree-pretty-print.c (pretty_print_string): No need to handle
2538 '\0' as a special character.
2540 * tree.h: Include "hashtab.h".
2541 (iterative_hash_expr): Use hashval_t in its prototype.
2542 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2544 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2547 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2548 (hppa*64*-*-hpux11*): Ditto.
2549 (hppa[12]*-*-hpux11*): Ditto.
2551 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2554 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2556 2006-05-09 Michael Matz <matz@suse.de>
2558 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2559 host_extra_gcc_objs and host_xmake_file.
2560 (<*-*-linux*>): Don't overwrite host_xmake_file.
2561 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2562 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2563 (host_detect_local_cpu): Declare.
2564 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2565 * config/i386/i386.c (override_options): Handle -mtune=native
2567 * config/i386/x-i386: New file.
2568 * config/i386/driver-i386.c: New file.
2569 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2572 2006-05-09 Dirk Mueller <dmueller@suse.de>
2573 Richard Guenther <rguenther@suse.de>
2576 * fold-const.c (fold_read_from_constant_string): Relax check
2577 for matching types to matching modes.
2579 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2581 PR rtl-optimization/27335
2582 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2585 2006-05-08 Chao-ying Fu <fu@mips.com>
2586 Richard Sandiford <richard@codesourcery.com>
2588 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2589 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2590 * config/mips/mips.md (UNSPEC_SCC): New constant.
2591 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2592 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2593 (mips_emit_compare): Use it.
2594 (mips_expand_vcondv2sf): New function.
2596 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2598 Fix PR tree-optimization/27093
2599 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2600 renaming when they become not-used_alone.
2602 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2604 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2605 relocation and relocation stubs.
2607 2006-05-08 Eric Christopher <echristo@apple.com>
2609 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2612 2006-05-08 Jan Hubicka <jh@suse.cz>
2615 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2616 unused static functions are needed.
2618 2006-05-08 Roger Sayle <roger@eyesopen.com>
2621 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2622 of a reg_equiv_constant if the result is a legitimate constant.
2624 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2627 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2628 standard 80387 constants, raise the cost to prevent
2629 compress_float_constant() to generate load from memory.
2631 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2633 * config/arm/constraints.md (c): Fix a typo.
2635 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2638 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2641 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2643 (_mm_mwait): Likewise.
2645 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2647 (sse3_monitor): Make it 32bit only.
2648 (sse3_monitor64): New. 64bit monitor.
2650 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2653 * config/i386/i386.c (classify_argument): Skip fields with invalid
2656 2006-05-07 Richard Guenther <rguenther@suse.de>
2658 PR tree-optimization/27409
2659 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2660 Do not try to find zero-sized subvars.
2662 2006-05-07 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/27136
2665 * tree-ssa-loop-niter.c (get_val_for): Correct function
2666 comment, assert requirements.
2667 (loop_niter_by_eval): Stop processing if the iterated
2668 value did not simplify.
2670 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2672 * opts.c (flag_see): remove its setting at -O3.
2674 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2676 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2677 * arm/constraints.md: New file.
2678 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2679 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2680 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2681 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2682 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2683 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2684 * arm.md: Include constraints.md.
2685 (thumb_movsi_insn): Use satisfies_constraint_J.
2686 (movhi, movqi): Use satisfies_constraint_I.
2688 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2690 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2691 for atmeg a645 device.
2693 2006-05-06 Richard Guenther <rguenther@suse.de>
2695 PR tree-optimization/27151
2696 * tree-vect-transform.c (vectorizable_condition): Punt on
2697 values that have a different type than the condition.
2699 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2702 * c-parser.c (c_parser_cast_expression): Only insert casts into
2703 hash table if pointer.
2704 * function.c (used_types_insert_helper): Rename from
2706 (used_types_insert): Call used_types_insert_helper.
2707 * function.h (used_types_insert): Accept only one argument.
2709 2006-05-05 David Edelsohn <edesohn@gnu.org>
2711 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2712 scratch with output modifier.
2714 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2717 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2718 with output modifier.
2720 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2723 * config/mips/mips.c (mips_symbolic_address_p): Return true
2724 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2725 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2727 2006-05-04 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/14287
2730 PR tree-optimization/14844
2731 PR tree-optimization/19792
2732 PR tree-optimization/21608
2733 PR tree-optimization/27090
2734 * tree-ssa-pre.c (try_combine_conversion): New function.
2735 (compute_avail): After constructing the value-handle
2736 expression, use try_combine_conversion to combine NOP_EXPRs
2737 with previous value-handle expressions and use the result if it
2740 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2742 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2744 2006-05-04 Jan Hubicka <jh@suse.cz>
2747 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2749 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2751 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2752 that this only matches CONST_INTs. All users changed to VOIDmode
2755 * config/bfin/bfin.c: Include "optabs.h".
2756 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2758 (enum bfin_builtins): Add a number of fractional and vector builtins.
2759 (bfin_init_builtins): Likewise.
2760 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2761 (safe_vector_operand, bfin_expand_binop_builtin,
2762 bfin_expand_unop_builtin): New functions.
2763 (bfin_expand_builtin): Handle the new builtins.
2764 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2767 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2770 * Makefile.in (OBJS-common): Add see.o.
2771 (see.o): Add dependencies.
2772 * common.opt (fsee): New flag for the see optimization was added.
2773 * opts.c (flag_see): Initialized.
2774 * passes.c (init_optimization_passes, pass_see): New pass.
2775 * rtl.h (see_main): Declaration as extern.
2776 * timevar.def (TV_SEE): New.
2777 * tree-pass.h (pass_see): Declaration as extern.
2778 * invoke.texi (-fsee): Document.
2779 * recog.c (validate_simplify_insn): New function.
2780 * recog.h (validate_simplify_insn): Declaration as extern.
2781 * df-problems.c (df_chain_dump): Check for NULL.
2783 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2784 Daniel Berlin <dberlin@dberlin.org>
2786 * cfgrtl.c (insert_insn_bb_end_new): New function.
2787 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2789 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2791 * df.h (struct web_entry): Moved from web.c.
2792 (union_defs): Declaration as extern.
2793 (unionfind_root): Likewise.
2794 (unionfind_union): Likewise.
2795 * web.c (struct web_entry): Moved to df.h.
2796 (unionfind_root): Remove static declaration.
2797 (unionfind_union): Likewise.
2798 (union_defs): Likewise and generalize to use callback function.
2799 (web_main): Update arguments for union_defs function call.
2801 2006-05-04 Richard Guenther <rguenther@suse.de>
2803 PR tree-optimization/26447
2804 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2805 produce SSA_NAME copies before the store stmt to avoid
2806 breaking exception handling.
2808 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2811 * gimplify.c (omp_is_private): If var is shared in some outer context,
2812 return false instead of true. Stop searching on parallel context
2815 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2818 * coverage.c: Use get_gcov_unsigned_t() instead of
2819 unsigned_type_node all over.
2821 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2823 PR tree-optimization/27381
2824 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2825 maintain the same immediate_use links.
2826 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2827 node rather than segfaulting.
2829 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2832 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2833 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2834 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2836 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2838 Fix PR tree-optimization/26626
2839 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2841 * tree-ssa-operands.c (access_can_touch_variable): Allow
2842 typecasting through union pointers.
2844 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2847 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2848 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2849 to find if var will be a global variable even in the nested context.
2850 (omp_copy_decl): Only check for global variable at the end, it might
2851 be overridden in outer contexts.
2852 (scan_sharing_clauses): For global variables don't create a field.
2853 (lower_rec_input_clauses): Do nothing for global shared variables.
2854 Emit a barrier at the end of ILIST if there were any decls in both
2855 firstprivate and lastprivate clauses.
2856 (lower_send_clauses): Do nothing for global variables except for
2859 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2861 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2862 of the correct signedness is returned.
2864 2006-05-02 Jeff Law <law@redhat.com>
2866 PR tree-optimization/27364
2867 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2868 multiply expressions.
2870 2006-05-02 Tom Tromey <tromey@redhat.com>
2872 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2874 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2877 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2878 -mthumb -fPIC are used.
2880 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2881 Joshua Kinard <kumba@gentoo.org>
2884 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2885 with 64-bit pointers.
2887 2006-05-02 Paul Brook <paul@codesourcery.com>
2889 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2891 (create_fix_barrier): Check that a suitable barrier location is
2893 (arm_reorg): Include ftmp->address in allowable range of addresses.
2895 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2898 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2901 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2904 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2905 around RESULT_DECL for result passed by reference.
2906 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2907 * omp-low.c (use_pointer_for_field): Don't look at
2908 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2909 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2910 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2911 time or var for passing by reference for
2912 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2913 TREE_ADDRESSABLE variables when passing by reference.
2915 * omp-low.c (dump_omp_region): Fix output formatting.
2918 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2919 (expand_omp_parallel): Likewise.
2920 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2923 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2924 on statement list containing also constructors and destructors.
2925 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2928 * except.c (duplicate_eh_regions): Fix clearing of
2929 cfun->eh->region_array entries.
2931 2006-05-01 DJ Delorie <dj@redhat.com>
2933 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2935 (gcc_cv_objdump): Likewise.
2936 * configure: Regenerated.
2938 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2941 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2942 templates for case 3 and 4.
2944 2006-05-01 DJ Delorie <dj@redhat.com>
2946 * vec.c: Include bconfig.h when appropriate.
2947 * Makefile.in (build/vec.o): Adjust dependencies.
2948 * mkconfig.sh: Make sure config.h isn't used for build machine
2951 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2953 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2955 (mark_phi_for_rewrite): New function.
2956 (insert_phi_nodes_for, mark_use_interesting): Call
2957 mark_phi_for_rewrite.
2958 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2959 (update_ssa): Initialize and free phis_to_rewrite.
2961 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2963 PR rtl-optimization/27291
2964 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2965 folded to a constant.
2967 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2969 PR tree-optimization/27283
2970 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2971 not whole # of iteration descriptions.
2972 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2973 uses abnormal ssa name.
2974 (niter_for_single_dom_exit): Ditto.
2975 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2976 return just the number of iterations.
2978 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR tree-optimization/27144
2981 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2982 (record_estimate): Only record constant upper bound.
2983 (infer_loop_bounds_from_undefined): Call
2984 compute_estimated_nb_iterations just once.
2985 (proved_non_wrapping_p): Renamed to ...
2986 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2987 (convert_step_widening, scev_probably_wraps_p): Call
2988 n_of_executions_at_most instead of proved_non_wrapping_p.
2989 (substitute_in_loop_info): Do not replace values in bounds.
2990 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2993 2006-05-01 Richard Henderson <rth@redhat.com>
2996 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2997 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3000 2006-05-01 Roger Sayle <roger@eyesopen.com>
3002 * c-typeck.c (parser_build_binary_op): Don't call the function
3003 unsigned_conversion_warning to spot operand/result type overflow.
3004 (build_binary_op): Instead, call convert_and_check instead of
3005 convert to report the problem when the operands are promoted.
3006 * c-common.c (unsigned_conversion_warning): Make static.
3007 * c-common.h (unsigned_conversion_warning): Delete prototype.
3009 2006-05-01 Richard Guenther <rguenther@suse.de>
3011 PR tree-optimization/26726
3012 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3014 (find_interesting_uses_address): ... we work around here
3015 by folding INDIRECT_REFs in the substituted base.
3017 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3019 * omp-low.c (dump_omp_region): Add newlines.
3021 2006-04-30 Roger Sayle <roger@eyesopen.com>
3023 * common.opt (Woverflow): New command line option.
3024 * c-common.c (constant_expression_warning): Check warn_overflow.
3025 (overflow_waring): Pass OPT_Woverflow to warning.
3026 (unsigned_conversion_warning): Likewise.
3027 (convert_and_check): Likewise.
3028 * doc/invoke.texi: Document new command line option.
3030 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3032 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3033 TARGET_NO_FP_IN_TOC for section anchors.
3034 (optimization_options): Enable section anchors for all
3035 non-"Objective" languages.
3037 2006-04-28 Eric Christopher <echristo@apple.com>
3039 * config/darwin-c.c (darwin_ms_struct): Move this
3040 (darwin_set_default_type_attributes): and this...
3041 * config/darwin.c: ... here.
3042 * config/darwin.h (darwin_ms_struct): Declare.
3044 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3046 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3048 2006-04-28 Roger Sayle <roger@eyesopen.com>
3051 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3052 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3053 an unsigned HOST_WIDE_INT.
3054 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3056 (really_start_incremental_init): No need to call convert because
3057 bitsize_zero_node is already of type bitsizetype.
3058 (push_init_level): Extract the value of constructor_index as an
3059 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3060 (process_init_element): Likewise.
3062 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3064 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3065 value before passing to make_relative_prefix.
3067 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3070 * builtins.c (expand_builtin_memset): Expand val in original mode.
3072 2006-04-27 Eric Christopher <echristo@apple.com>
3074 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3075 with #ifndef/#endif.
3076 * config/darwin-c.c (darwin_ms_struct): New.
3077 (darwin_pragma_ms_struct): Ditto.
3078 (darwin_set_default_type_attributes): Ditto.
3079 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3080 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3081 Register ms_struct pragma.
3082 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3083 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3084 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3085 darwin_set_default_type_attributes if TARGET_MACHO.
3087 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3089 PR tree-optimization/26854
3090 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3091 * doc/tree-ssa.texi: Update immuse iterator documentation.
3092 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3093 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3094 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3095 first_safe_imm_use, next_safe_imm_use): Remove.
3096 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3097 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3098 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3099 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3100 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3101 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3102 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3103 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3104 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3105 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3106 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3107 (perfect_nestify): Use new iterator.
3108 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3110 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3111 (next_imm_name): New field in struct immediate_use_iterator_d.
3112 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3113 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3114 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3115 * tree-cfg.c (replace_uses_by): Use new iterator.
3116 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3117 * tree-ssa-operands.c (correct_use_link): Remove.
3118 (finalize_ssa_use_ops): No longer call correct_use_link.
3120 2006-04-27 Stuart Hastings <stuart@apple.com>
3122 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3123 * config/t-darwin (crt3.o): Use it.
3124 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3125 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3126 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3127 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3128 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3131 2006-04-27 Roger Sayle <roger@eyesopen.com>
3133 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3134 size, force the intermediate into a new pseudo rather instead of
3135 performing both a bitwise AND and a bitwise IOR in memory.
3137 2006-04-27 Richard Guenther <rguenther@suse.de>
3139 PR rtl-optimization/26685
3140 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3141 this one "max-flow-memory-locations".
3143 2006-04-27 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/25148
3146 * tree-vrp.c (compare_values): Remove code dealing with
3147 comparisons against type min/max value. Honour overflow
3148 and negative constants in code dealing with comparisons
3149 of plus and minus expressions.
3150 (value_inside_range): Use fold_binary with LE_EXPR and
3151 GE_EXPR rather than compare_values.
3153 2006-04-27 Dirk Mueller <dmueller@suse.de>
3155 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3158 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3160 * basic-block.h (safe_insert_insn_on_edge): Removed.
3161 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3163 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3164 Paolo Bonzini <bonzini@gnu.org>
3167 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3168 (simplify_and_const_int): Same.
3170 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3172 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3174 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3177 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3178 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3179 cgraph_global_info_ready.
3182 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3185 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3186 either decl or init is error_mark_node.
3189 * tree-flow.h (struct omp_region): Add sched_kind.
3190 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3191 instead of extracting omp for data.
3192 (expand_omp_for): Save extracted sched_kind.
3194 2006-04-25 Roger Sayle <roger@eyesopen.com>
3196 * expmed.c (store_bit_field): Also check whether the bitsize is
3197 valid for the machine's "insv" instruction before moving the
3198 target into a pseudo for use with the insv.
3199 * config/i386/predicates.md (const8_operand): New predicate.
3200 * config/i386/i386.md (extv, extzv, insv): Use the new
3201 const8_operand predicate where appropriate.
3203 2006-04-25 DJ Delorie <dj@redhat.com>
3205 * doc/install.texi (Specific): Clarify that this is not a list of
3206 supported hosts or targets.
3208 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3210 PR rtl-optimization/26725
3211 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3212 block's BB_DIRTY flag.
3214 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3216 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3219 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3220 to print an integer.
3222 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3224 * varasm.c (align_variable): New function.
3225 (get_block_for_decl): Apply align_variable to DECL before
3226 calculating section information.
3227 (assemble_variable): Split out alignment computation.
3229 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3231 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3234 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3236 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3237 MODE_PARTIAL_INT mode.
3238 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3239 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3241 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3242 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3244 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3246 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3248 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3249 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3250 MACFLAG_IH): Likewise.
3251 (movstricthi_1): Renamed from "*movstricthi".
3252 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3253 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3254 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3255 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3256 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3257 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3258 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3259 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3260 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3261 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3262 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3263 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3264 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3265 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3266 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3268 * doc/rtl.texi (ss_ashift): Improve wording.
3270 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3272 * dwarf2out.c (verify_marks_clear): New.
3273 (prune_unused_types): Call verify_marks_clear initially, not
3276 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3278 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3279 * doc/rtl.texi: Document them.
3280 * simplify-rtx.c (simplify_unary_operation,
3281 simplify_binary_operation_1): Don't abort when we see them.
3283 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3286 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3287 * configure.ac: Completely disregard languages that are not
3289 * configure: Regenerated.
3291 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3292 Richard Guenther <rguenther@suse.de>
3294 PR tree-optimization/27236
3295 * tree-inline.c (copy_body_r): Make sure to copy
3296 TREE_THIS_VOLATILE flag.
3298 2006-04-24 Richard Guenther <rguenther@suse.de>
3301 * tree-complex.c (update_parameter_components): Don't handle
3302 unused parameters which have no default def.
3304 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3305 Richard Guenther <rguenther@suse.de>
3307 PR tree-optimization/27218
3308 * tree-inline.c (expand_call_inline): Strip useless type
3309 conversions for the return slot address.
3311 2006-04-24 Richard Guenther <rguenther@suse.de>
3313 * cfgloop.h (struct loops): Remove unused field array. Reorder
3315 (LOOP_PREFETCH): Remove.
3317 2006-04-24 Richard Guenther <rguenther@suse.de>
3319 PR tree-optimization/22525
3320 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3321 variable, adjust types of generated expressions.
3323 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3325 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3326 (tree-vect-patterns.o): Likewise.
3328 (cselib.o): Likewise.
3329 (loop-doloop.o): Likewise.
3330 (regclass.o): Likewise.
3331 (reload1.o): Likewise.
3332 (explow.o): Replace target.h with $(TARGET_H).
3333 (ipa-prop.o): Likewise.
3334 (ipa-cp.o): Likewise.
3335 (ipa-inline.o): Likewise.
3336 (reorg.o): Likewise.
3337 (reg-stack.o): Likewise.
3339 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3341 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3343 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3345 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3347 * configure.ac: Completely disregard languages that are not
3349 * configure: Regenerated.
3352 * c-common.h (c_build_bitfield_integer_type): Declare.
3353 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3354 * c-common.c (c_build_bitfield_integer_type): ... here.
3356 2006-04-23 Roger Sayle <roger@eyesopen.com>
3359 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3360 a SImode SUBREG of a floating point register after no_new_pseudos.
3362 2006-04-23 Roger Sayle <roger@eyesopen.com>
3364 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3365 identify potentially eliminable registers to additionally catch
3366 VIRTUAL_INCOMING_ARGS_REGNUM.
3367 (addsi3): Update the conditions on when to use addsi_small_int.
3369 2006-04-23 Roger Sayle <roger@eyesopen.com>
3372 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3373 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3374 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3376 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3378 * fold-const.c (range_predecessor): Use operand_equal_p
3379 as the predicate for equality.
3380 (range_successor): Likewise.
3382 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3385 * config/soft-fp/op-common.h: Fix a typo.
3387 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3390 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3391 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3393 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3395 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3397 * doc/tm.texi: Fix a typo.
3399 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3401 * dwarf2out.c (struct die_struct): Document that die_sib makes
3402 a circular linked list.
3403 (FOR_EACH_CHILD): New.
3404 (reverse_die_lists): Delete.
3405 (reverse_all_dies): Delete.
3406 (add_dwarf_attr): Correct documentation.
3407 (remove_child_with_prev): New.
3408 (remove_child_TAG): Update for change to die_struct, use
3409 remove_child_with_prev.
3410 (add_child_die): Update for change to die_struct.
3411 (splice_child_die): Use remove_child_with_prev and add_child_die.
3412 (print_die): Use FOR_EACH_CHILD.
3413 (die_checksum): Likewise.
3414 (assign_symbol_names): Likewise.
3415 (output_location_lists): Likewise.
3416 (build_abbrev_table): Likewise.
3417 (calc_die_sizes): Likewise.
3418 (mark_dies): Likewise.
3419 (unmark_dies): Likewise.
3420 (unmark_all_dies): Likewise.
3421 (output_die): Likewise.
3422 (prune_unused_types_mark): Likewise.
3423 (prune_unused_types_walk): Likewise.
3424 (same_die_p): Update for change to die_struct.
3425 (break_out_includes): Likewise.
3426 (prune_unused_types_prune): Likewise.
3427 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3428 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3430 (dwarf2out_finish): Don't call reverse_all_dies.
3432 2006-04-21 Eric Christopher <echristo@apple.com>
3434 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3435 in comments and function names.
3437 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3440 * c-typeck.c (digest_init): Robustify.
3442 * c-typeck.c (pop_init_level): Simplify.
3444 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3446 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3448 2006-04-21 Paul Brook <paul@codesourcery.com>
3450 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3451 hardware floating point.
3453 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3455 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3458 2006-04-21 Nick Clifton <nickc@redhat.com>
3460 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3463 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3466 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3467 C++ lang type in traceback table for Objective-C++.
3469 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3471 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3473 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3475 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3478 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3479 were errors. Remove check for erroneous objects.
3481 2006-04-20 Jeff Law <law@redhat.com>
3483 PR tree-optimization/26854
3484 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3485 checking for zero or one use.
3486 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3487 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3488 * tree-ssa-reassoc.c (negate_value): Similarly.
3489 (reassociate_bb): Similarly.
3491 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3493 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3494 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3495 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3497 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3499 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3500 fp regs if the last fp arg doesn't fit in regs.
3502 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3505 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3506 that the last insn has the REG_INC note.
3508 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3509 Nathan Sidwell <nathan@codesourcery.com>
3512 * stor-layout.c (update_alignment_for_field): Do not align
3514 (place_union_field): Place union field at the start of the union.
3515 (place_field): Move ERROR_MARK check later, and use the current
3516 allocation position to maintain monotonicity.
3518 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3520 * dominance.c: Include timevar.h.
3521 (calculate_dominance_info): Use TV_DOMINANCE.
3522 * timevar.def (TV_DOMINANCE): New timevar.
3523 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3525 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3527 PR rtl-optimization/14261
3528 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3529 move would be an INSV insn.
3530 (noce_process_if_block): Don't optimize if the destination is a
3531 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3533 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3535 * config/s390/s390.md: Add comments with the instructions emitted
3536 by an insn pattern if macros are used.
3538 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3540 PR rtl-optimization/26026
3541 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3542 is a known power of two shifted left a variable amount.
3544 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3546 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3547 to hash table twice when the debug_str section has SECTION_MERGE.
3549 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3551 * config/soft-fp: New directory. From glibc.
3552 * config/soft-fp/t-softfp: New.
3553 * config/soft-fp/README: New.
3554 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3555 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3556 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3557 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3558 * config.gcc: Use rs6000/t-fprules-fpbit or
3559 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3561 * config/rs6000/sfp-machine.h: New. Based on glibc.
3562 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3564 * config/rs6000/t-fprules: Remove fp-bit rules.
3565 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3566 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3567 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3568 (softfp_wrap_start, softfp_wrap_end): New.
3570 2006-04-18 DJ Delorie <dj@redhat.com>
3572 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3574 2006-04-18 Devang Patel <dpatel@apple.com>
3576 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3578 2006-04-18 Nick Clifton <nickc@redhat.com>
3580 * config/sh/t-symbian: Add rule to build sh-c.o
3581 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3582 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3583 (sh_symbian_encode_section_info): Likewise.
3585 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3587 * builtins.c (expand_builtin_strcmp): Cover label definition of
3588 do_libcall with HAVE_cmpstrnsi.
3590 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3592 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3594 * function.h (temp_slot_p): New.
3595 (function): Change the type of x_used_temp_slots to
3596 VEC(temp_slot_p,gc) *.
3598 2006-04-18 Nick Clifton <nickc@redhat.com>
3600 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3601 flag_strength_reduce.
3603 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3605 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3609 Partial revert of revision 112637
3610 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3611 Dale Johannesen <dalej@apple.com>
3614 * regclass.c (struct reg_pref): Update documentation.
3615 (regclass): Set prefclass to NO_REGS if memory is the best option.
3616 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3618 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3620 PR tree-optimization/26821
3621 * tree-ssa-math-opts.c (get_constant_one): New.
3622 (insert_reciprocals): Use it.
3624 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3626 * dwarf2out.c (free_AT): Delete.
3627 (remove_AT): Update string ref counts.
3628 (remove_child_TAG): Don't call free_die.
3630 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3631 or DW_TAG_GNU_EINCL.
3632 (prune_unused_types_walk_attribs): Reset string refcounts.
3633 (prune_unused_types_update_strings): New.
3634 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3635 call free_die. Do call prune_unused_types_update_strings.
3636 (prune_unused_types): Empty debug_str_hash.
3638 2006-04-17 Roger Sayle <roger@eyesopen.com>
3640 * expr.c (expand_assignment): Optimize away no-op moves where the
3641 source and destination are equal and have no side-effects.
3643 2006-04-17 Richard Guenther <rguenther@suse.de>
3646 * reload.c (push_reload): Guard calls to get_secondary_mem
3649 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3651 * alias.c (reg_base_value, old_reg_base_value): Change the
3652 type to VEC(rtx,gc) *.
3653 (REG_BASE_VALUE, find_base_value, record_set,
3654 init_alias_analysis): Use VEC instead of VARRAY.
3656 * alias.c (alias_sets): Change the type to
3657 VEC(alias_set_entry,gc) *.
3658 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3659 VEC instead of VARRAY.
3660 (last_alias_set): Remove.
3662 * cgraph.h (cgraph_edge_p): New.
3663 Update the prototype of cgraph_function_versioning.
3664 * cgraphunit.c (cgraph_copy_node_for_versioning,
3665 cgraph_function_versioning): Use VEC instead of VARRAY.
3666 * ipa-cp.c (ipcp_insert_stage): Likewise.
3668 2006-04-16 Roger Sayle <roger@eyesopen.com>
3671 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3672 "A op B" or "A op C", we may need to convert A to the type of B and C.
3674 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3676 * target.h (struct gcc_target): Add mode_rep_extended.
3677 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3678 (init_num_sign_bit_copies_in_rep): Initialize it using
3680 (truncate_to_mode): Use it.
3681 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3682 * targhooks.h (default_mode_rep_extended): Declare it.
3683 * targhooks.c (default_mode_rep_extended): Define it.
3684 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3685 default_mode_rep_extended.
3686 (TARGET_INITIALIZER): Include it.
3687 * doc/tm.texi (Misc): Document it.
3688 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3689 (mips_truncated_to_mode): New function.
3691 2006-04-16 Roger Sayle <roger@eyesopen.com>
3694 * expr.c (compress_float_constant): Copy the narrow constant into
3695 a new pseudo before extending it to its final width.
3697 2006-04-16 Roger Sayle <roger@eyesopen.com>
3698 Andrew Pinski <pinskia@gcc.gnu.org>
3699 Dale Johannesen <dalej@apple.com>
3702 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3703 special case code to implement V8HImode and V16QImode with SSE2.
3705 2006-04-15 Roger Sayle <roger@eyesopen.com>
3707 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3708 trees are constructed with a suitable tree type.
3710 2006-04-15 Roger Sayle <roger@eyesopen.com>
3712 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3713 (integer_onep): Likewise.
3714 (integer_all_onesp): Likewise.
3715 (integer_pow2p): Likewise.
3716 (integer_nonzerop): Likewise.
3717 (real_zerop): Likewise.
3718 (real_onep): Likewise.
3719 (real_twop): Likewise.
3720 (real_minus_onep): Likewise.
3721 (int_size_in_bytes): Likewise.
3722 (host_integerp): Likewise.
3724 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3726 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3727 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3728 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3730 * tree-ssa-structalias.h (alias_info): Remove num_references.
3732 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3734 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3735 (output_bvb patterns): Likewise.
3736 * pa.c (output_bb): Use 'bb' insn for long branch case.
3737 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3738 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3739 1. Correct length operand for alternatives 1 and 2.
3740 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3741 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3743 2006-04-14 Roger Sayle <roger@eyesopen.com>
3745 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3746 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3747 were accidentally reverted by r112959.
3749 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3752 * except.h (eh_region_outermost): New prototype.
3753 * except.c (eh_region_outermost): New function.
3754 * tree-cfg.c (find_outermost_region_in_block): Use it.
3756 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3758 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3760 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3761 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3762 (init_reload, reload): Use VEC instead of VARRAY.
3763 * reload.h: Update the prototype for
3764 reg_equiv_memory_loc_varray.
3766 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3767 Eric Botcazou <ebotcazou@libertysurf.fr>
3769 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3772 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3775 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3776 to expand fallback builtin function call.
3778 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3781 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3782 and emit libcall here in case the builtin fails.
3783 (expand_builtin_strcmp): Always emit the libcall here on failure.
3785 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3787 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3788 * flow.c (reg_n_info): Change the type to
3789 VEC(reg_info_p,heap) *.
3790 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3792 * regs.h (reg_info_p): New.
3793 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3794 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3795 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3798 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3800 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3802 * params.h (MAX_SCHED_READY_INSNS): New macro.
3803 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3804 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3805 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3806 the ready list for 1 cycle during the first scheduling pass.
3807 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3809 2006-04-13 Richard Henderson <rth@redhat.com>
3812 * gimple-low.c (lower_omp_directive): Remove dead code.
3813 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3814 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3815 * omp-low.c (struct omp_region): Move to tree-flow.h.
3816 (root_omp_region): Export.
3817 (omp_regions, lookup_omp_region): Remove.
3818 (determine_parallel_type): Update for struct omp_region changes.
3819 (dump_omp_region): Dump regions with block numbers.
3820 (new_omp_region): Take type and block instead of stmt; malloc
3822 (free_omp_region_1, free_omp_regions): New.
3823 (expand_parallel_call): Take entry_stmt as argument; update for
3824 changes to omp_region.
3825 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3826 (remove_exit_barriers): New.
3827 (expand_omp_parallel): Update for struct omp_region changes.
3828 (expand_omp_synch): Likewise.
3829 (expand_omp): Likewise.
3830 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3831 (expand_omp_for_static_chunk): Likewise.
3832 (expand_omp_for): Likewise.
3833 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3834 (expand_omp_sections): Similarly, with GOMP_sections_end.
3835 (expand_omp_single): New.
3836 (build_omp_regions_1): Update for OMP_CONTINUE.
3837 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3838 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3839 OMP_SECTIONS_SECTIONS.
3840 (lower_omp_single_simple): Don't emit barrier here.
3841 (lower_omp_single_copy): Likewise.
3842 (lower_omp_single): Fix bindings, and lower to straightline now.
3843 (lower_omp_master, lower_omp_ordered): Likewise.
3844 (lower_omp_critical): Likewise.
3845 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3846 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3847 omp edges, free it afterward.
3848 (make_omp_sections_edges): Remove.
3849 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3850 (move_stmt_r): Handle OMP_CONTINUE.
3851 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3852 statement pointers to basic blocks. Add type member.
3853 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3854 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3855 * tree-inline.c (estimate_num_insns_1): Likewise.
3856 * tree-pretty-print.c (dump_generic_node): Likewise.
3857 * tree-ssa-operands.c (get_expr_operands): Likewise.
3858 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3859 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3860 (OMP_CONTINUE): New.
3861 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3862 (OMP_SECTIONS_SECTIONS): Remove.
3863 (OMP_SECTION_LAST): New.
3864 (OMP_RETURN_NOWAIT): New.
3866 2006-04-13 Roger Sayle <roger@eyesopen.com>
3868 * fold-const.c (native_encode_vector, native_interpret_real):
3869 Correct obvious mistakes in the previous check-in.
3871 2006-04-13 Roger Sayle <roger@eyesopen.com>
3873 * fold-const.c (native_encode_expr): New function to encode
3874 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3875 or VECTOR_CST into a specified buffer.
3876 (native_encode_int): New function.
3877 (native_encode_real): New function.
3878 (native_encode_complex): New function.
3879 (native_encode_vector): New function.
3880 (native_interpret_expr): Inverse of native_encode_expr to convert
3881 a target representation into an INTEGER_CST, REAL_CST etc...
3882 (native_interpret_int): New function.
3883 (native_interpret_real): New function.
3884 (native_interpret_complex): New function.
3885 (native_interpret_vector): New function.
3886 (fold_view_convert_expr): New function to constant fold/evaluate
3887 a VIEW_CONVERT_EXPR of a suitable constant expression.
3888 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3889 Change call of build1 to fold_build1 when constructing a
3892 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3893 Ulrich Weigand <uweigand@de.ibm.com>
3896 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3899 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3902 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3903 optimize to lo_sum for DFmode if !TARGET_FPRS.
3905 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3907 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3908 delete_alias_info, compute_flow_sensitive_aliasing,
3909 group_aliases): Use VEC instead of VARRAY.
3910 * tree-ssa-structalias.c (update_alias_info): Likewise.
3911 * tree-ssa-structalias.h (alias_info): Change the type of
3912 processed_ptrs to VEC(tree,heap) *.
3914 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3917 * config/sh/lib1funcs.h: New file, broken out of:
3918 * config/sh/lib1funcs.asm.
3919 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3921 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3922 * config/sh/lib1funcs-Os-4-200.asm: New file.
3923 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3924 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3925 (EXTRA_MULTILIB_PARTS): Include it.
3926 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3927 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3928 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3929 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3932 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3934 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3935 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3936 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3938 * tree-ssa-live.h: Include vecprim.h.
3939 (tree_partition_associator_d): Change the type of
3940 first_partition to VEC(int,heap) *.
3941 (tpa_first_partition): Use VEC instead of VARRAY.
3943 * Makefile.in (GTFILES): Move functions.h after tree.h.
3944 * function.c (reset_block_changes, record_block_change,
3945 check_block_change, free_block_changes): Use VEC instead of
3947 * function.h (function): Change the type of
3948 ib_boundaries_block to VEC(tree,gc) *.
3949 * tree-inline.c (copy_cfg_body): Initialize
3950 ib_boundaries_block to NULL instead of (varray_type) 0.
3952 2006-04-12 Roger Sayle <roger@eyesopen.com>
3954 * expr.c (emit_group_store): Correct operand order in call to
3955 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3956 a SUBREG_BYTE of zero.
3958 2006-04-12 Richard Guenther <rguenther@suse.de>
3960 * profile.c (compute_branch_probabilities): Remove code
3961 encapsulated in !ir_type (), which are remanents of the
3962 removed RTL profiling code.
3963 * rtl-profile.c: Remove.
3965 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3967 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3968 magic NULL_RTX comment.
3969 (function_arg): Store entire fp arg to mem if any part should go
3971 (rs6000_arg_partial_bytes): Adjust for above change.
3973 2006-04-11 Roger Sayle <roger@eyesopen.com>
3975 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3976 if it hasn't been initialized by dwarf2out_init.
3978 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3980 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3981 symbolic constants in branch patterns.
3983 2006-04-11 Roger Sayle <roger@eyesopen.com>
3985 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3987 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3989 PR rtl-optimization/27073
3990 * gcse.c (try_replace_reg): Revert last change. Continue to search
3991 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3994 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3996 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3997 aggregate types other than record and union types.
3998 (function_arg): Likewise.
3999 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4001 (function_value): In 64-bit mode, return objects that require it
4004 2006-04-11 Roger Sayle <roger@eyesopen.com>
4006 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4008 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4010 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4012 2006-04-03 Jeff Law <law@redhat.com>
4015 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4016 alias information too.
4018 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4020 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4022 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4025 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4026 (premark_used_types_helper): New.
4027 (premark_used_types): New.
4028 (gen_subprogram_die): Call premark_used_types.
4029 (prune_unused_types_walk): Do not prune perennial dies.
4030 * function.c (used_types_insert): New.
4031 * function.h (struct function): Add used_types_hash field.
4032 (used_types_insert): Add prototype.
4033 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4034 * c-parser.c (c_parser_cast_expression): Save casted types in used
4037 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4040 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4041 rs6000_explicit_options.float_gprs.
4043 2006-04-10 Roger Sayle <roger@eyesopen.com>
4045 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4046 from ix86_expand_vector_init_low_nonzero. Take an additional
4047 one_var argument indicating which element is non-zero. Support
4048 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4049 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4050 with one_var instead of ix86_expand_vector_init_low_nonzero.
4052 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4054 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4055 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4056 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4057 build/genextract.o): Depend on vecprim.h.
4058 * cfglayout.c, df-problems.c, function.c, genextract.c,
4059 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4060 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4064 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4066 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4067 Declare VECs of this type.
4068 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4069 (remove_children): Delete.
4070 (add_dwarf_attr): Use VEC routines.
4071 (add_AT_flag): Update for changes to add_dwarf_attr.
4072 (add_AT_int): Likewise.
4073 (add_AT_unsigned): Likewise.
4074 (add_AT_long_long): Likewise.
4075 (add_AT_vec): Likewise.
4076 (add_AT_string): Likewise.
4077 (add_AT_die_ref): Likewise.
4078 (add_AT_fde_ref): Likewise.
4079 (add_AT_loc): Likewise.
4080 (add_AT_loc_list): Likewise.
4081 (add_AT_addr): Likewise.
4082 (add_AT_lbl_id): Likewise.
4083 (add_AT_lineptr): Likewise.
4084 (add_AT_macptr): Likewise.
4085 (add_AT_offset): Likewise.
4086 (add_AT_range_list): Likewise.
4087 (get_AT): Use VEC_iterate.
4088 (remove_AT): Use VEC_ordered_remove.
4089 (free_die): Fold remove_children into here; have it use VEC_iterate.
4090 (print_die): Use VEC_iterate on attrs.
4091 (reverse_die_lists): Don't reverse attr lists.
4092 (die_checksum): Use VEC_iterate on attrs.
4093 (same_die_p): Likewise.
4094 (output_location_lists): Likewise.
4095 (build_abbrev_table): Likewise.
4096 (size_of_die): Likewise.
4097 (unmark_all_dies): Likewise.
4098 (output_abbrev_section): Likewise.
4099 (output_die): Likewise.
4100 (prune_unused_types_walk_attribs): Likewise.
4102 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4104 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4106 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4109 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4111 2006-04-09 Roger Sayle <roger@eyesopen.com>
4113 * expr.c (store_constructor): Don't bother clearing target if
4114 we're about to assign a vector to it using vec_init_optab.
4116 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4118 * tree-ssa-alias.c (lhs_may_store_to): New function.
4119 (recalculate_used_alone): Handle LHS of calls.
4121 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4125 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4126 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4127 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4128 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4129 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4130 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4131 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4132 stubs. Add ".align 8" directives before all ".dword" directives.
4133 (GTHREAD_USE_WEAK): Revise comment.
4134 (TARGET_ATTRIBUTE_WEAK): Define.
4135 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4136 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4137 * stublib.c: New file.
4142 * pa.md (cbranch patterns): Revise arguments used in calls to
4143 output_cbranch, output_bb and output_bvd. Add long branch length
4145 (fbranch patterns): Handle long branches.
4146 (jump): Revise length check. Revise arguments for output_lbranch call.
4147 Add long branch length attributes.
4148 (decrement_and_branch_until_zero): Add long branch length attributes.
4149 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4150 Likewise. Revise arguments for output_parallel_addb and
4151 output_parallel_movb calls.
4152 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4153 output_parallel_movb and output_parallel_addb): Update prototypes.
4154 * pa.c (output_cbranch): Revise arguments. Correct handling of
4155 nullification in long branches.
4156 (output_lbranch): Add new argument to control extraction of delay
4158 (output_bb): Handle long branches.
4159 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4160 output_parallel_addb): Likewise.
4162 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4164 PR rtl-optimization/27073
4165 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4168 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4170 * tree.h (tree_memory_tag): Add old_used_alone.
4171 (SMT_OLD_USED_ALONE): New macro.
4172 * tree-ssa-alias.c (recalculate_used_alone): Stop
4173 marking things for renaming unnecessarily.
4175 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4177 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4178 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4179 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4180 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4181 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4182 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4183 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4184 spelling convensions.
4185 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4186 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4187 typos. Follow spelling conventions.
4189 2006-04-07 DJ Delorie <dj@redhat.com>
4191 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4192 passed on the stack.
4193 (m32c_init_cumulative_args): When a function returns a structure,
4194 always pass the pointer to that return area on the stack.
4195 (m32c_function_arg_advance): Don't increment the parameter number
4196 if we're processing the returned structure pointer.
4197 (pushm_info): Reverse order of registers.
4199 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4201 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4202 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4203 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4204 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4206 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4207 chrec_fold_multiply): Same.
4208 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4209 force_expr_to_var_cost): Same.
4210 * tree-mudflap.c (mf_xform_derefs_1): Same.
4211 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4213 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4215 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4216 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4219 2006-04-07 Jan Hubicka <jh@suse.cz>
4221 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4223 2006-04-07 Richard Guenther <rguenther@suse.de>
4225 PR tree-optimization/26135
4226 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4227 loads for store copy-prop.
4228 (copy_prop_visit_stmt): Likewise.
4230 2006-04-05 Robert Millan <robertmh@gnu.org>
4232 * config/i386/linux.h: Add a comment to mark macros that are
4233 being overriden in config/k*bsd-gnu.h.
4234 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4236 * config/knetbsd-gnu.h: Ditto.
4238 2006-04-06 Jan Hubicka <jh@suse.cz>
4242 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4245 2006-04-06 Mike Stump <mrs@apple.com>
4247 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4248 for HAVE_nonlocal_goto to be consistent.
4249 (expand_builtin_nonlocal_goto): Likewise.
4250 (expand_builtin_strcmp): Use #ifdef instead of #if
4251 for HAVE_cmpstrnsi to be consistent.
4253 2006-04-05 DJ Delorie <dj@redhat.com>
4255 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4258 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4260 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4261 got-relative addressing for anything but SImode.
4263 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4264 even if the calling function doesn't modify them.
4266 2006-04-05 Richard Guenther <rguenther@suse.de>
4268 PR tree-optimization/26919
4269 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4270 to cgraph_estimate_size_after_inlining.
4272 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4274 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4276 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4278 PR tree-optimization/26996
4279 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4280 VECTOR_TYPE variables.
4282 2006-04-05 Richard Guenther <rguenther@suse.de>
4284 PR tree-optimization/26763
4285 * fold-const.c (fold_comparison): Move folding of
4286 PTR + CST CMP PTR + CST ...
4287 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4289 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4291 * doc/install.texi (Prerequisites): Refine some wording on
4292 bootstrapping and ksh.
4293 Move the version numbers of DejaGnu here from the testing section
4294 and fix casing of names.
4295 Fix markup and clarify wording for autogen requirements.
4296 Refer to GCJ instead of just java.
4297 Refer to SVN instead of CVS.
4298 Describe diffutils as useful instead of necessary.
4299 (Downloading the source): Refer to SVN instead of CVS.
4300 Adjust a link to our web site accordingly.
4301 (Configuration): Fix casing of Bison.
4302 (Building): Refer to SVN instead of CVS.
4303 Fix a sentence on the use of Bison and remove duplicate (and
4304 incorrect) version number of Bison requirement.
4305 Remove one redundant list of packages needed for building.
4306 (Specific): Avoid reference to CVS.
4308 2006-04-04 Eric Christopher <echristo@apple.com>
4310 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4311 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4312 (rs6000_handle_struct_attribute): New.
4313 (rs6000_ms_bitfield_layout_p): Ditto.
4315 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4317 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4318 NULL for dso parameter to atexit_common.
4320 2006-04-04 Eric Christopher <echristo@apple.com>
4322 * config/i386/i386.c (machopic_output_stub): Output \t
4323 between instructions and operands.
4325 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4327 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4328 satisfies_constraint_[IL] to explicit tests on value.
4330 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4332 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4333 set_nb_iterations_in_loop): Use build_int_cst instead of
4335 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4336 build_int_cst instead of convert.
4338 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4340 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4341 new value 2 for incoming.
4342 * function.c (expand_function_start): Call struct_value_rtx
4344 * config/sparc/sparc.md: Comment updated_return.
4345 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4346 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4347 struct return if sparc_std_struct_return and incoming is 2.
4348 (print_operand): Do not adjust return if
4349 sparc_std_struct_return.
4351 2006-04-04 Roger Sayle <roger@eyesopen.com>
4353 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4354 convert in the middle-end.
4355 * expr.c (store_expr, store_constructor, get_inner_reference,
4356 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4358 * tree.c (build_range_type): Likewise.
4360 2006-04-04 Tom Tromey <tromey@redhat.com>
4362 * doc/install.texi (Prerequisites): Mention jar.
4364 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4366 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4369 2006-04-04 Matthias Klose <doko@debian.org>
4371 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4372 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4375 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4377 * doc/extend.texi (Function Attributes): Rewrite visibility
4378 attribute documentation.
4379 * doc/invoke.texi (C++ Dialect Options): Rewrite
4380 -fvisibility-inlines-hidden documentation to describe something
4381 entirely different, although in practise compatible.
4382 (Code Gen Options): Warn about system headers in -fvisibility=
4385 * doc/extend.texi (Other Builtins): Document that
4386 __builtin_nan is a compile-time constant only when its argument
4389 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4391 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4392 trying to remove TRUNCATE check if all bits outside the new mode
4393 are identical to the sign bit.
4395 2006-04-03 Jeff Law <law@redhat.com>
4397 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4398 and operand scanning in some common cases.
4400 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4401 Dale Johannesen <dalej@apple.com>
4404 * regclass.c (struct reg_pref): Update documentation.
4405 (regclass): Set prefclass to NO_REGS if memory is the best option.
4406 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4407 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4408 into account. For non-registers, equate an empty preferred
4409 reload class to a `!' in the constraint; move the if clause to
4410 do so after those that reject the insn.
4411 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4413 (find_dummy_reload): Likewise.
4414 * doc/tm.texi (Register Classes): Document what it means
4415 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4416 * config/i386/i386.c (ix86_preferred_reload_class): Force
4417 using SSE registers (and return NO_REGS for floating-point
4418 constants) if math is done with SSE.
4419 (ix86_preferred_output_reload_class): New.
4420 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4421 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4422 * config/i386/i386.md: Remove # register preferences.
4424 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4427 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4428 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4429 the type of nb_iter.
4430 (instantiate_parameters_1): Convert the operands before calling
4431 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4432 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4434 2006-04-02 Roger Sayle <roger@eyesopen.com>
4436 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4437 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4439 * dojump.c (do_jump): Likewise.
4440 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4441 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4442 gimplify_boolean_expr): Likewise.
4443 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4444 * varasm.c (array_size_for_constructor): Likewise.
4445 * tree-object-size.c (compute_object_offset): Likewise.
4447 2006-04-02 Roger Sayle <roger@eyesopen.com>
4450 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4451 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4453 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4455 PR tree-optimization/26939
4456 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4458 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4460 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4461 at_stmt. Convert the type of operands before calling
4462 build_polynomial_chrec.
4463 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4465 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4466 (instantiate_parameters_1): Convert the type of operands before calling
4467 build_polynomial_chrec.
4468 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4469 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4470 reset_evolution_in_loop): Insert asserts to check the types of the
4472 (chrec_type): Moved...
4473 (eq_evolutions_p): Use operand_equal_p.
4474 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4475 the types of the operands.
4476 (chrec_type): ...here.
4477 * tree-data-ref.c (create_data_ref): Convert the operands before
4478 calling chrec_replace_initial_condition.
4479 (same_access_functions, analyze_subscript_affine_affine,
4480 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4481 (compute_subscript_distance, analyze_ziv_subscript,
4482 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4483 analyze_miv_subscript): Convert the operands before calling
4484 chrec_fold_minus or chrec_fold_plus.
4486 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4488 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4489 the dependence_relations vector.
4490 (compute_data_dependences_for_loop): Adjust call to
4491 compute_all_dependences.
4493 2006-04-01 Roger Sayle <roger@eyesopen.com>
4494 Richard Henderson <rth@redhat.com>
4496 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4497 gimple_boolify on the condition before calling gimplify_expr.
4499 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4501 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4502 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4503 the frame size. Update to use the new macros.
4504 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4505 * config/xtensa/ieee754-df.S: Likewise.
4507 2006-03-31 Richard Henderson <rth@redhat.com>
4509 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4510 (make_edges): ... here. Control fallthru creation with a local
4511 variable. Do not play with fake edges.
4512 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4513 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4516 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4518 * dwarf2.h (DW64_CIE_ID): Define.
4519 * dwarf2out.c (DWARF_CIE_ID): Define.
4520 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4521 length header. Use DWARF_CIE_ID.
4522 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4523 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4525 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4527 * config/sh/linux-atomic.asm: New file.
4528 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4530 2006-03-31 DJ Delorie <dj@redhat.com>
4532 * config/m32c/cond.md: Set condition flags properly throughout.
4533 * config/m32c/minmax.md: Likewise.
4534 * config/m32c/prologue.md: Likewise.
4535 * config/m32c/bitops.md: Likewise.
4536 * config/m32c/muldiv.md: Likewise.
4537 * config/m32c/mov.md: Likewise.
4538 * config/m32c/addsub.md: Likewise.
4539 * config/m32c/m32c.md: Likewise.
4540 * config/m32c/jump.md: Likewise.
4541 * config/m32c/shift.md: Likewise.
4543 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4544 conditionally output the pattern for this.
4545 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4546 (m32c_compare_redundant): New.
4547 (m32c_output_compare): New.
4548 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4550 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4551 dest, not src. Allow other 4-byte modes.
4553 2006-03-30 Denis Chertykov <denisc@overta.ru>
4555 * doc/md.texi: Refer to avr/constraints.md instead of
4558 2006-03-30 Roger Sayle <roger@eyesopen.com>
4560 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4561 signed vs. unsigned comparison failures on some hosts.
4563 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4566 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4567 change to FLOAT_REGS.
4569 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4570 (rs6000_override_options): Use it.
4571 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4572 only for -mabi=spe/no-spe and -mabi=altivec.
4574 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4576 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4579 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4581 * Makefile.in: Rename docdir to gcc_docdir.
4583 2006-03-30 Roger Sayle <roger@eyesopen.com>
4586 * expr.c (emit_group_store): Optimize group stores into a pseudo
4587 register by using a paradoxical subreg to initialize the destination
4588 if the first or last member of the group specifies a "low part".
4590 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4593 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4594 * target.h (struct gcc_target.speculate_insn): Change type of the
4595 second parameter to 'int'.
4596 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4597 the second operand of the DEPS_LIST.
4598 (copy_DEPS_LIST_list): Update reference to the second operand of the
4600 * rtl.h (alloc_DEPS_LIST): Update signature.
4601 * sched-int.h (ds_t): Change typedef to 'int'.
4602 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4604 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4606 * haifa-sched.c (try_ready): Change condition to restore
4607 non-speculative pattern of the instruction.
4608 (process_insn_depend_be_in_spec): Code to keep probability of the
4609 speculative dependence non-decreasing.
4611 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4613 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4614 (single_move_for_movmem): ... this. Also change all uses.
4615 (bfin_expand_strmov): Renamed to...
4616 (bfin_expand_movmem): ... this. Also change all uses.
4617 * config/bfin/bfin.md (movstrsi): Renamed to...
4618 (movstrsi): ...this.
4620 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4622 PR tree-optimization/26830
4624 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4625 (copy_prop_visit_stmt): Remove write-only variable ann.
4626 (init_copy_prop): Check variable loop depth here. Do not simulate
4627 memory-tag and virtual operand PHIs except for store copy prop.
4629 2006-03-30 Richard Guenther <rguenther@suse.de>
4631 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4632 variants with double arguments.
4634 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4636 * genpreds.c (write_tm_constrs_h): Delete variable p.
4637 * genconditions.c (write_header): Add tm-constrs.h to included
4639 * genpeep.c (main): Add toplev.h to included headers.
4640 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4641 (build/genpeep.o): Add toplev.h dependency.
4642 * config/rs6000/constraints.md: Add "W" constraint.
4644 2006-03-29 Roger Sayle <roger@eyesopen.com>
4646 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4647 sizes by correctly testing whether the size fits a host integer.
4648 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4649 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4650 SImode range for the default sizetype and bitsizetype.
4652 2006-03-29 Roger Sayle <roger@eyesopen.com>
4654 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4655 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4656 quickly if the argument is already of the correct type.
4657 Call fold_build1 instead of build1. Tidy up blank lines.
4659 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4661 * genemit.c (main): Add tm-constrs.h to included headers.
4662 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4663 * genpeep.c (main): Add tm-constrs.h to included headers.
4664 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4665 (write_tm_constrs_h): this and write complete file.
4666 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4667 (write_insn_preds_c): Add tm-constrs.h to included headers.
4668 (gen_constrs): New variable.
4669 (parse_option): Parse "-c".
4670 (main): Invoke write_tm_constrs_h.
4671 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4672 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4673 (object_out_file): Add tm-constrs.h dependency.
4674 (insn-emit.o): Same.
4675 (insn-output.o): Same.
4676 (insn-peep.o): Same.
4677 (insn-preds.o): Same.
4678 (insn-recog.o): Same.
4679 (tm-constsr.h): New target.
4680 (s-constrs-h): New target.
4682 * config/rs6000/constraints.md: New file.
4683 * config/rs6000/rs6000.c: Include tm-constrs.h.
4684 (num_insn_constant_wide): Convert to satisfies_constraint.
4685 (rs6000_rtx_costs): Convert to satisfies_constraint.
4686 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4687 (CONST_OK_FOR_LETTER_P): Delete.
4688 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4689 (EXTRA_CONSTRAINT): Delete.
4690 (EXTRA_MEMORY_CONSTRAINT): Delete.
4691 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4692 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4693 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4694 satisfies_constraint.
4696 * config/i386/i386.c: Include tm-constrs.h.
4698 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4700 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4701 * tree-data-ref.c (find_data_references_in_loop,
4702 compute_data_dependences_for_loop): Use pointers to VEC.
4703 (analyze_all_data_dependences): Adjust calls.
4704 * tree-data-ref.h (find_data_references_in_loop,
4705 compute_data_dependences_for_loop): Adjust declarations.
4706 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4707 compute_data_dependences_for_loop.
4709 2006-03-29 Paul Brook <paul@codesourcery.com>
4711 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4714 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4716 PR tree-optimization/26859
4717 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4719 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4720 for the step after fold_convert.
4722 2006-03-29 Paul Brook <paul@codesourcery.com>
4724 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4725 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4727 2006-03-29 Paul Brook <paul@codesourcery.com>
4730 * targhooks.c (default_narrow_bitfield): New fuction.
4731 * targhooks.h (default_narrow_bitfield): add prototype.
4732 * target.h (gcc_target): Add narrow_volatile_bitfield.
4733 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4734 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4735 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4736 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4738 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4740 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4742 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4743 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4744 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4745 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4746 (s390_function_arg_float): Allow SDmode and DDmode values to be
4747 passed in floating point registers.
4748 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4749 check with SCALAR_FLOAT_MODE_P.
4750 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4752 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4754 PR tree-optimization/25985
4755 * tree-ssa-loop-niter.c (number_of_iterations_le,
4756 number_of_iterations_ne): Make comments more precise.
4757 (number_of_iterations_cond): Add only_exit argument. Use the
4758 fact that signed variables do not overflow only when only_exit
4760 (loop_only_exit_p): New.
4761 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4762 number_of_iterations_cond.
4764 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4766 PR tree-optimization/26643
4767 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4770 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4772 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4773 (divsi3_i4_int): Likewise.
4775 2006-03-28 Roger Sayle <roger@eyesopen.com>
4777 * expr.c (emit_group_store): Only create a new pseudo reg if the
4778 quantity it needs to hold isn't already a suitable pseudo.
4780 2006-03-28 Jeff Law <law@redhat.com>
4782 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4783 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4785 2006-03-28 Roger Sayle <roger@eyesopen.com>
4787 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4788 the equivalent ~X & Y, and the symmetry related transformations.
4789 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4790 ~X & Y, and symmetry related transforms.
4792 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4794 Revert my 2006-03-27 patches.
4796 2006-03-28 Roger Sayle <roger@eyesopen.com>
4798 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4799 ~(T1)X, when T1 and T2 are integer types of the same precision
4800 and (T2)X isn't an extension.
4802 2006-03-28 Jeff Law <law@redhat.com>
4804 PR tree-optimization/26796
4805 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4806 need EH edge cleanups rather than purging them immediately.
4807 (eliminate_degenerate_phis): Handle queued EH cleanups.
4809 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4811 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4814 2006-03-27 Roger Sayle <roger@eyesopen.com>
4817 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4818 cast BIT_NOT_EXPR operand to the correct type.
4820 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4822 * tree-loop-linear.c: Don't include varray.h.
4823 (gather_interchange_stats, try_interchange_loops,
4824 linear_transform_loops): Use VEC instead of VARRAY.
4825 * lambda-mat.c: Don't include varray.h.
4826 * tree-chrec.c: Same.
4827 * lambda-trans.c: Same.
4828 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4829 VEC instead of VARRAY.
4830 * tree-vectorizer.h: Idem.
4831 * tree-data-ref.c (dump_data_references,
4832 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4833 initialize_data_dependence_relation, finalize_ddr_dependent,
4834 compute_all_dependences, find_data_references_in_loop,
4835 compute_data_dependences_for_loop, analyze_all_data_dependences,
4836 free_dependence_relation, free_dependence_relations,
4837 free_data_refs): Idem.
4838 * tree-data-ref.h (data_reference_p, subscript_p): New.
4839 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4840 VEC instead of VARRAY.
4841 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4842 (find_data_references_in_loop, compute_data_dependences_for_loop,
4843 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4844 dump_data_dependence_relations, free_dependence_relations,
4845 free_data_refs): Adjust declaration.
4846 (lambda_transform_legal_p): Move declaration here...
4847 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4848 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4849 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4850 vect_analyze_data_refs): Use VEC instead of VARRAY.
4851 * lambda.h (lambda_transform_legal_p): ...from here.
4852 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4853 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4854 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4855 tree-chrec.o): Don't depend on VARRAY_H.
4857 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4859 * rtl.def (Copyright): Update date.
4860 (DEPS_LIST): Change type of the second operand to 'int'.
4861 * target.h (Copyright): Update date.
4862 (struct gcc_target.speculate_insn): Change type of the second parameter
4864 * lists.c (Copyright): Update date.
4865 (alloc_DEPS_LIST): Change signature. Update reference to the second
4866 operand of the DEPS_LIST.
4867 (copy_DEPS_LIST_list): Update reference to the second operand of the
4869 * rtl.h (Copyright): Update date.
4870 (alloc_DEPS_LIST): Update signature.
4871 * sched-int.h (Copyright): Update date.
4872 (ds_t): Change typedef to 'int'.
4873 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4875 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4877 * haifa-sched.c (Copyright): Update date.
4878 (try_ready): Change condition to restore non-speculative pattern
4880 (process_insn_depend_be_in_spec): Code to keep probability of the
4881 speculative dependence non-decreasing.
4883 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4885 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4886 shut up the compiler.
4888 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4890 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4891 to use lib prefix for target.
4892 ($(T)libic_invalidate_array_4-200.a): Likewise.
4893 ($(T)libic_invalidate_array_4a.a): Likewise.
4895 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4896 J"orn Rennecke <joern.rennecke@st.com>
4898 * superh.opt: New file.
4899 * sh.c (boardtype, osruntime): Remove.
4900 * superh.h (SUBTARGET_OPTIONS): Remove.
4901 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4903 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4904 arguments with ^ and/or [].
4906 * config.gcc (sh-*-*): Add quoting to account for quirk of
4908 Replace == with = in enable_incomplete_targets test.
4910 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4911 with MASK_LITTLE_ENDIAN.
4913 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4914 * config/sh/sh.opt: Added to some comments.
4915 * config/sh/superh.h: Removed some chaff.
4917 * config/sh/sh.opt: Add m4-[1234]00* options.
4918 * config/sh/sh.c (sh_handle_option): Likewise.
4919 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4920 (ic_invalidate_array_4-100.o): New rule.
4921 ($(T)libic_invalidate_array_4-100.a): Likewise.
4922 (ic_invalidate_array_4-200.o): Likewise.
4923 ($(T)libic_invalidate_array_4-200.a): Likewise.
4924 (ic_invalidate_array_4a.o): Likewise.
4925 ($(T)libic_invalidate_array_4a.a): Likewise.
4926 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4927 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4929 * config/sh/crt1.asm: Merged in profiling code.
4930 * config/sh/superh.h (STARTFILE_SPEC): Override.
4931 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4932 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4933 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4935 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4936 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4937 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4939 * sh.opt (mpretend-cmove): New option.
4940 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4941 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4942 (movsicc): Add TARGET_PRETEND_CMOVE code.
4944 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4946 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4947 s390_class_max_nregs): New function prototypes.
4948 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4949 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4950 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4951 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4953 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4955 * dwarf2out.c (add_location_or_const_value_attribute): Call
4956 tree_add_const_value_attribute if nothing else works.
4957 (reference_to_unused): New.
4958 (rtl_for_decl_init): Use reference_to_unused to decide whether
4959 to output an initializer.
4961 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4964 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4965 peephole removing spe frob_di_df_2.
4967 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4969 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4970 (subscript_dependence_tester_1): Declared.
4971 (print_dir_vectors, print_dist_vectors): New.
4972 (debug_data_dependence_relation): New.
4973 (dump_data_dependence_relation): Print more details.
4974 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4975 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4976 (save_dist_v, save_dir_v, add_outer_distances,
4977 build_classic_dist_vector_1): New.
4978 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4979 Don't test for lambda_vector_lexico_pos.
4980 (same_access_functions, add_multivariate_self_dist,
4981 add_other_self_distances, dir_from_dist): New.
4982 (build_classic_dir_vector): Replace implementation almost identical to
4983 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4985 (subscript_dependence_tester_1): New.
4986 (subscript_dependence_tester): Handle the lexicographically negative
4987 distance vectors by recomputing the dependence relation.
4988 (compute_affine_dependence): Remove parameter loop_nest_depth.
4989 (compute_self_dependence): Don't call compute_subscript_distance.
4990 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4991 Add a parameter for the loop_nest.
4992 (find_loop_nest_1, find_loop_nest): New.
4993 (compute_data_dependences_for_loop): Compute the loop nest, and give
4994 up if the nest is not well formed.
4995 * tree-data-ref.h (loop_p): New.
4996 (struct data_dependence_relation): Replace size_vect field with
4997 loop_nest, a vec of loops.
4998 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4999 (DDR_LOOP_NEST): New.
5000 (print_dir_vectors, print_dist_vectors,
5001 debug_data_dependence_relation): Declared.
5002 (index_in_loop_nest): New.
5003 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5004 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5007 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5009 * simplify-rtx.c (simplify_relational_operation): Call
5010 simplify_relational_operation_1 even if mode is VOIDmode.
5012 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5014 PR tree-optimization/26804
5015 * tree.h (DECL_CALL_CLOBBERED): New macro.
5016 (tree_decl_common): Add call_clobbered_flag.
5017 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5018 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5019 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5020 (mark_non_addressable): Ditto.
5021 * tree-ssa.c (verify_call_clobbered): New function.
5022 (verify_alias_info): Use it.
5023 * tree-pass.h (pass_reset_cc_flags): New prototype.
5024 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5025 (reset_cc_flags): New function.
5026 * passes.c (init_optimization_passes): Call reset_cc_flags after
5027 initializing referenced_vars.
5029 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5030 Roger Sayle <roger@eyesopen.com>
5033 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5034 to 1.0 for non-real operands. Implement A / A optimization for
5037 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5039 * config/i386/i386.c (size_cost): Correct the comment for
5040 cost of storing fp registers.
5041 (i386_cost): Likewise.
5042 (i486_cost): Likewise.
5043 (pentium_cost): Likewise.
5044 (pentiumpro_cost): Likewise.
5045 (k6_cost): Likewise.
5046 (athlon_cost): Likewise.
5047 (k8_cost): Likewise.
5048 (pentium4_cost): Likewise.
5049 (nocona_cost): Likewise.
5050 (generic64_cost): Likewise.
5051 (generic32_cost): Likewise.
5053 2006-03-24 Denis Chertykov <denisc@overta.ru>
5055 * config/avr/avr-protos.h (extra_constraint): Delete.
5056 (extra_constraint_Q): New declaration.
5057 * config/avr/constraints.md: New file.
5058 * config/avr/avr.md: Include it.
5059 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5060 (TMP_REGNO, ZERO_REGNO): Likewise.
5061 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5062 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5063 (extra_constraint): Delete.
5064 (extra_constraint_Q): Test for memory constraint 'Q'.
5065 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5066 (REG_CLASS_FROM_LETTER): Delete.
5067 (CONST_OK_FOR_LETTER_P): Delete.
5068 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5069 (EXTRA_CONSTRAINT): Delete.
5070 (TMP_REGNO): Delete.
5071 (ZERO_REGNO): Delete.
5073 2006-03-24 Jeff Law <law@redhat.com>
5075 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5076 directly. Call mark_new_vars_to_rename slightly earlier.
5078 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5080 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5082 (gen_compile_unit_die): Use new language types for Objective-C and
5084 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5085 DW_LANG_C_plus_plus.
5088 * config/t-darwin (crt3.o): Work around bug 26840.
5089 * config/darwin-crt3.c: Rewrite.
5090 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5092 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5094 * doc/invoke.texi: Document -femit-class-debug-always
5095 * common.opt: Add -femit-class-debug-always.
5097 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5099 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5100 index and base register.
5101 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5102 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5103 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5104 REGNO_OK_FOR_INDEX_P.
5105 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5107 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5108 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5109 REG_OK_FOR_BASE_P): Definitions removed.
5111 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5114 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5115 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5116 set yet or weren't marked as local yet.
5118 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5120 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5123 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5125 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5126 (rs6000_legitimate_small_data_p): Delete.
5127 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5128 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5129 and make static. Add forward declaration. Update uses.
5130 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5131 of offsettable_memref_p.
5132 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5133 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5135 2006-03-24 Jeff Law <law@redhat.com>
5137 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5138 around bug in immediate-use iterator.
5140 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5143 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5144 or __LITTLE_ENDIAN__.
5146 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5148 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5149 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5150 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5151 * config/sh/sh.opt (mdiv=): Amend description.
5152 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5153 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5154 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5155 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5156 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5157 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5158 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5159 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5160 TARGET_DIVIDE_CALL_FP.
5162 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5164 * haifa-sched.c (choose_ready): Fix type of the local variable.
5165 Move local variables. Add comment.
5166 (check_reg_live): Change signature. Make callable from debugger.
5167 * sched-int.h (check_reg_live): Update signature.
5168 * sched-ebb.c (check_reg_live): Update parameters.
5169 * sched-rgn.c (check_reg_live): Ditto.
5170 (region_head_or_leaf_p): Check pointer before dereferencing.
5171 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5172 before reload on optimization levels below 1.
5174 2006-03-23 Richard Henderson <rth@redhat.com>
5176 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5180 * config/alpha/predicates.md (local_symbolic_operand): Reject
5183 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5186 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5187 expressions which have overflowed constants.
5189 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5191 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5193 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5195 * cfgloopmanip.c (create_loop_notes): Removed.
5196 * final.c (final_scan_insn): Do not handle loop notes.
5197 * jump.c (squeeze_notes): Ditto.
5198 * cfglayout.c (skip_insns_after_block,
5199 duplicate_insn_chain): Ditto.
5200 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5202 * cfgloop.h (create_loop_notes): Declaration removed.
5204 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5206 * varasm.c (output_constant_pool): Restore fnname and fndecl
5208 (assemble_start_function): Adjust call accordingly.
5209 (assemble_end_function): Likewise.
5211 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5214 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5217 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5219 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5222 * system.h (ICE_EXIT_CODE): New macro.
5223 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5224 (diagnostic_action_after_output): Likewise.
5225 * gcc.c (fatal_ice): New function.
5226 (execute): Use it instead of fatal.
5227 (fancy_abort): Likewise.
5228 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5230 2006-03-22 Jeff Law <law@redhat.com>
5232 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5233 iv_analyze_result returning false.
5235 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5237 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5239 2006-03-22 Richard Henderson <rth@redhat.com>
5242 * except.c (duplicate_eh_regions_0): New.
5243 (duplicate_eh_region_1): Duplicate the children of the node as
5244 well as the node itself. Link them up properly.
5245 (duplicate_eh_region_2): Merge into ...
5246 (duplicate_eh_regions): ... here. Take copy_region argument, and
5247 copy only a sub-tree if asked. Simplify copying and fixup.
5248 (eh_region_outer_p): New.
5249 * except.h (duplicate_eh_regions): Update decl.
5250 (eh_region_outer_p): Declare.
5251 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5252 (lower_omp_master): Likewise.
5253 (lower_omp_ordered): Likewise.
5254 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5255 (move_stmt_r): Use it to remap labels. Handle recursion vs
5256 remap_decls_p properly.
5257 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5258 (find_outermost_region_in_block): New.
5259 (new_label_mapper): New.
5260 (move_sese_region_to_fn): Copy eh information to the new function
5262 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5264 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5267 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5269 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5270 into shared libraries.
5272 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5274 * doc/md.texi: Refer to i386/constraints.md instead of
5276 * config/i386/constraints.md: New file, extracted from...
5277 * config/i386/predicates.md: ...here.
5278 * config/i386/i386.md: Include constraints.md.
5280 2006-03-21 Jason Merrill <jason@redhat.com>
5282 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5285 * expr.c (init_block_move_fn): Force default visibility.
5286 (init_block_clear_fn): Likewise.
5287 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5288 * targhooks.c (default_external_stack_protect_fail): Likewise.
5290 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5292 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5293 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5294 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5295 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5296 (loadgp): Use mips_current_loadgp_style.
5297 (loadgp_noshared): New pattern.
5298 (sibcall_internal): Use MIPS_CALL.
5299 (sibcall_value_internal): Likewise.
5300 (sibcall_value_multiple_internal): Likewise.
5301 (call_internal): Likewise.
5302 (call_value_internal): Likewise.
5303 (call_value_multiple_internal): Likewise.
5304 (call_split): Use MIPS_CALL and add an 'S' constraint.
5305 (call_value_split): Likewise.
5306 (call_value_multiple_split): Likewise.
5307 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5308 (-mshared): New option.
5309 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5310 (mips_current_loadgp_style): Declare.
5311 * config/mips/mips.c (mips_classify_symbol): Avoid using
5312 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5313 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5314 TARGET_ABSOLUTE_ABICALLS.
5315 (override_options): Adjust comments. Improve the warning that is
5316 issued when -mabicalls and -G are used together.
5317 (mips_file_start): Remove comment.
5318 (mips_current_loadgp_style): New function.
5319 (mips_gnu_local_gp): New variable.
5320 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5322 (mips_output_function_prologue): Use mips_current_laodgp_style.
5323 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5324 the cprestore instruction.
5325 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5326 live for TARGET_ABSOLUTE_ABICALLS.
5327 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5328 (ASM_SPEC): Pass down -mshared and -mno-shared.
5329 (MIPS_CALL): New macro.
5330 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5332 * doc/invoke.texi (-mabicalls): Update documentation.
5333 (-mshared): Document.
5335 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5337 * config/ia64/unwind-hpux.c: New file.
5338 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5340 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5343 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5345 2006-03-21 Jeff Law <law@redhat.com>
5347 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5348 type conversions of a VR_VARYING source to a wider type.
5350 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5352 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5353 tm_file on Solaris 10 and later.
5354 (sparc64-*-solaris2*): Likewise.
5355 (sparc-*-solaris2*): Likewise.
5356 * config/sol26.h: Rename to config/sol2-6.h.
5357 * config/sol2-10.h: New file.
5359 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5362 * tree-ssa-pre.c (create_component_ref_by_pieces):
5365 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5368 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5369 return it immediately.
5371 2006-03-21 Michael Matz <matz@suse.de>
5373 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5375 (remove_arc, add_arc): Update num_out_arcs member.
5376 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5378 (cache_presence): New function.
5379 (compare_states_for_equiv): New function.
5380 (state_is_differed): Don't take number of outargs, adjust callers.
5381 Use new invariant for speeding up.
5382 (init_equiv_class): Create initial classes based on sorted
5384 (partition_equiv_class): Don't track out_arcs_num.
5385 (evaluate_equiv_classes): Call cache_presence on all states and
5388 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5390 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5391 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5392 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5393 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5395 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5396 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5397 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5398 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5399 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5401 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5402 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5403 (REGNO_REG_CLASS): ARGP is in PREGS.
5404 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5406 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5407 to deal with those addresses.
5408 * addresses.h: New file.
5409 * caller-save.c: Include "addresses.h".
5410 (init_caller_save): Use new base_reg_class function.
5411 * rtl-factoring.c: Include "addresses.h".
5412 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5413 * recog.c: Include "addresses.h".
5414 (preprocess_constraints): Use new base_reg_class function.
5415 * regrename.c: Include "addresses.h".
5416 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5417 functions. Keep track of a new var INDEX_CODE to compute valid
5419 (replace_oldest_value_addr): Likewise.
5420 (replace_oldest_value_mem): Use base_reg_class.
5421 * reload.c: Include "addresses.h".
5422 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5423 (find_reloads): Use new base_reg_class function.
5424 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5425 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5426 all callers and prototype changed.
5427 * reload1.c: Include "addresses.h".
5428 (maybe_fix_stack_asms): Use base_reg_class.
5429 * regclass.c: Include "addresses.h".
5430 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5431 (init_reg_autoinc): Use new base_reg_class function.
5432 (record_reg_classes): Likewise.
5433 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5434 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5435 Use new args to compute necessary class.
5437 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5438 regrename.o, rtl-factoring.o): Update dependencies.
5439 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5440 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5441 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5442 REG_OK_FOR_INDEX_P): Delete documentation.
5444 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5446 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5447 from V7 to V9 for Solaris 7 and above.
5449 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5451 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5452 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5453 argument pointers may not alias any other storage.
5454 * common.opt: Define option -fargument-noalias-anything.
5455 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5456 alias semantics is specified by flag_argument_noalias > 2.
5458 2006-03-20 Jeff Law <law@redhat.com>
5460 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5461 (pass_phi_only_cprop): Declare.
5462 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5464 * tree-ssa-dom.c (degenerate_phi_result): New function.
5465 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5466 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5467 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5468 (eliminate_degenerate_phis): Likewise.
5469 (pass_phi_only_cprop): New pass descriptor.
5470 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5471 support code. Callers updated.
5472 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5473 (store_copy_prop): Likewise.
5474 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5476 2006-03-20 Jason Merrill <jason@redhat.com>
5479 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5480 (push_visibility, pop_visibility): Likewise.
5481 * c-pragma.h: Declare them.
5483 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5485 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5487 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5488 parameter and use get_ebb_head_tail.
5489 (sh_md_init_global): Adjust uses of find_regmode_weight.
5491 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5493 * function.h (struct function) <x_tail_recursion_reentry>:
5494 Rename to x_stack_check_probe_note.
5495 (tail_recursion_reentry): Rename to stack_check_probe_note.
5496 * function.c: Replace tail_recursion_reentry with
5497 stack_check_probe_note everywhere.
5498 (expand_function_start): Only emit a note for
5499 stack_check_probe_note with -fstack-protect.
5500 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5502 * emit-rtl.c (remove_unnecessary_notes): Remove.
5503 (pass_remove_unnecessary_notes): Remove.
5504 * rtl.h (remove_unnecessary_notes): Remove prototype.
5505 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5506 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5507 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5509 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5512 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5513 (valid_in_set): Handle ARRAY_REF.
5514 Change "if min_variant or VH" to asserts.
5515 (create_component_ref_by_pieces): Handle ARRAY_REF.
5516 (create_expression_by_pieces): Likewise.
5517 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5519 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5521 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5522 is operand of switch, not str[0].
5524 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5526 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5527 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5529 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5531 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5532 end of insn_extra_address_constraint declaration.
5534 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5536 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5537 (no-sum-in-toc): Same.
5538 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5540 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5541 NO_FP_IN_TOC for -fPIC instead of mask.
5543 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5544 (BOOT_LDFLAGS): Delete.
5546 * config/rs6000/t-aix52: Same.
5548 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5549 (stmsi[345678]_power): New.
5551 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5553 * config/ia64/ia64.opt: Add empty line to end of file.
5555 2006-03-17 Richard Guenther <rguenther@suse.de>
5558 * builtins.c (get_pointer_alignment): For component style references
5559 adjust alignment to the component type alignment. Make sure
5560 to adjust alignment for component access of constants.
5562 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5564 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5567 2006-03-17 Paul Brook <paul@codesourcery.com>
5569 * doc/install.texi: Docuemnt --with-mode.
5570 * config.gcc: Add --with-mode for arm*-*-*.
5571 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5573 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5575 * sh.c (max_labelno_before_reorg): New variable.
5576 (sh_reorg): Initialize it.
5577 (find_barrier): Check max_labelno_before_reorg before using
5578 label_to_alignment. Take length of explicit alignment insns
5579 into account. When seeing a UNSPECV_CONST_END, return it.
5581 * sh.c (fixup_mova): Set mode of affected label to QImode.
5582 (untangle_mova): New function.
5583 (find_barrier): Use it. Check mode of label before decrementing
5585 (sh_reorg): Likewise.
5586 Set mode of all insns back to VOIDmode.
5588 * sh.c (MOVA_LABELREF): New macro.
5589 (mova_p, fixup_mova, sh_reorg): Use it.
5590 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5591 ADDR_DIFF_VEC matches mova.
5593 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5595 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5596 with ATTRIBUTE_UNUSED.
5598 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5600 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5601 pointer, instead of assuming it is possible to derive the
5602 correct args size from a call insn.
5604 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5606 * rtl.h (CONST_INT_P): Define.
5607 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5608 instead of GET_CODE(x) == CONST_INT.
5609 (vax_rtx_costs): Likewise.
5610 (vax_output_int_move): Likewise.
5611 (vax_output_int_add): Likewise.
5612 (legitimate_constant_address_p): Likewise.
5613 (index_term_p): Likewise.
5614 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5615 * config/vax/vax.md (and<mode>3): Likewise.
5616 (ashrsi3): Likewise.
5618 (movstricthi): Likewise.
5619 (movstrictqi): Likewise.
5620 (rotrsi3): Likewise.
5621 (five unnamed insns): Likewise.
5623 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5625 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5626 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5627 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5628 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5629 Pass to ASM_OUTPUT_DWARF_OFFSET.
5630 * dwarf2out.c (debug_frame_section): New.
5631 (output_call_frame_info): Use debug_frame_section. Pass it to
5632 dw2_asm_output_offset.
5633 (output_die): Pass appropriate section to dw2_asm_output_offset.
5634 (output_compilation_unit_header): Likewise.
5635 (output_pubnames): Likewise.
5636 (output_aranges): Likewise.
5637 (enum dw_val_class): Break dw_val_class_lbl_offset into
5638 dw_val_class_lineptr and dw_val_class_macptr.
5639 (add_AT_lbl_offset): Delete.
5640 (add_AT_lineptr): New.
5641 (add_AT_macptr): New.
5642 (AT_lbl): Expect a lineptr or macptr.
5643 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5644 (attr_checksum): Likewise.
5645 (same_dw_val_p): Likewise.
5646 (size_of_die): Likewise.
5647 (value_format): Likewise.
5648 (output_die): Likewise.
5649 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5651 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5652 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5653 * config/darwin-protos.h (darwin_file_start): New.
5654 (darwin_asm_output_dwarf_offset): New.
5655 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5656 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5658 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5659 if not EH section; simplify.
5660 (darwin_file_start): New.
5661 (darwin_asm_output_dwarf_offset): New.
5662 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5664 (DEBUG_INFO_SECTION): Likewise.
5665 (DEBUG_ABBREV_SECTION): Likewise.
5666 (DEBUG_ARANGES_SECTION): Likewise.
5667 (DEBUG_MACINFO_SECTION): Likewise.
5668 (DEBUG_LINE_SECTION): Likewise.
5669 (DEBUG_LOC_SECTION): Likewise.
5670 (DEBUG_PUBNAMES_SECTION): Likewise.
5671 (DEBUG_STR_SECTION): Likewise.
5672 (DEBUG_RANGES_SECTION): Likewise.
5673 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5674 (ASM_OUTPUT_DWARF_OFFSET): New.
5676 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5678 * config.gcc (tm_defines): Always add to previous value rather
5681 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5683 * config/mips/predicates.md (splittable_const_int_operand): New,
5684 split from move_operand.
5685 (splittable_symbolic_operand): New.
5686 (move_operand): Add commentary. Use splittable_const_int_operand.
5687 Inline mips_atomic_symbolic_constant_p.
5688 * config/mips/mips.md: Add combine splitters for handling moves
5689 of splittable_const_int_operands and splittable_symbolic_operands.
5690 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5691 (mips_split_symbol): Declare.
5692 (mips_move_integer): Declare.
5693 * config/mips/mips.c (mips_split_p): Make global.
5694 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5695 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5696 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5697 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5698 (mips_offset_within_object_p): Handle block symbols.
5699 (mips_atomic_symbolic_constant_p): Delete.
5700 (mips_cannot_force_const_mem): Return false for constants that
5701 mips_legitimize_move can handle.
5702 (mips_use_blocks_for_constant_p): New function.
5703 (mips_split_symbol): Make global.
5704 (mips_move_integer): Likewise. Add a temporary register argument.
5705 (mips_legitimize_const_move): Use splittable_const_int_operand and
5706 splittable_symbolic_operand.
5707 (mips_use_anchors_for_symbol_p): New function.
5708 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5709 (mips_split_p): Declare.
5711 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5713 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5714 (mips*-*-linux*): Likewise.
5716 2006-03-16 Roger Sayle <roger@eyesopen.com>
5717 Daniel Speyer <dspeyer@wam.umd.edu>
5720 * tree-dump.c (dump_real): New function.
5721 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5722 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5723 (tree-dump.o): Add $(REAL_H) to the dependencies.
5725 2006-03-16 Roger Sayle <roger@eyesopen.com>
5728 * real.c (real_from_string): If the mantissa is zero, don't bother
5729 parsing the exponent as the result should always be zero.
5731 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5733 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5735 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5737 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5738 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5739 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5740 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5741 ia64_sched_finish_global): New static functions to implement
5742 hooks from gcc_target.sched.
5743 (spec_check_no, max_uid, pending_data_specs): New static variables.
5744 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5745 ia64_spec_check_src_p): New static functions.
5746 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5747 (TARGET_SCHED_ADJUST_COST): Removed.
5748 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5749 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5750 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5751 TARGET_SCHED_GEN_CHECK,
5752 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5753 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5754 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5755 Fixed to handle speculation checks.
5756 (rtx_needs_barrier): Fixed to handle speculative loads and
5758 (ia64_variable_issue): Added code to count speculative loads and their
5760 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5762 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5764 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5766 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5767 (ia64_reorg): Reset stops_p to NULL after it is freed.
5768 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5769 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5770 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5772 (data_speculative, control_speculative, check_load): New attributes.
5773 (mov<mode>_advanced, mov<mode>_speculative,
5774 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5775 zero_extend<mode>di2_speculative,
5776 zero_extend<mode>di2_speculative_advanced): New patterns for
5777 data and control speculative loads.
5778 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5780 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5781 New pattern for data and control speculation checks.
5782 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5783 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5784 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5785 Auxiliary definitions for the patterns.
5786 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5787 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5789 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5791 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5792 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5793 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5794 New resource constraints.
5795 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5797 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5798 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5799 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5800 msched-in-control-spec, msched-ldc, msched-control-ldc,
5801 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5802 msched-prefer-non-control-spec-insns,
5803 msched-count-spec-in-critical-path): New flags to tune speculative
5805 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5806 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5807 msched-in-control-spec, msched-ldc, msched-control-ldc,
5808 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5809 msched-prefer-non-control-spec-insns,
5810 msched-count-spec-in-critical-path): Document new flags.
5812 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5814 * target.h (struct spec_info_def): New opaque declaration.
5815 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5816 speculate_insn, needs_block_p, gen_check,
5817 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5818 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5819 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5820 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5821 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5822 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5824 (TARGET_SCHED): Use new macros.
5825 * rtl.h (copy_DEPS_LIST_list): New prototype.
5826 * sched-int.h (struct sched_info): Change signature of new_ready field,
5827 adjust all initializations. New fields: add_remove_insn,
5828 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5829 region_head_or_leaf_p.
5830 (struct spec_info_def): New structure declaration.
5831 (spec_info_t): New typedef.
5832 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5833 recovery_block, orig_pat.
5834 (glat_start, glat_end): New variables declaraions.
5835 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5837 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5838 DETACH_LIFE_INFO, USE_GLAT.
5839 (enum SPEC_SCHED_FLAGS): New enumeration.
5840 (NOTE_NOTE_BB_P): New macro.
5841 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5842 attach_life_info, debug_spec_status, check_reg_live): New functions.
5843 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5844 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5846 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5847 * ddg.c (get_block_head_tail): Adjust all uses.
5848 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5849 (sms_sched_info): Initialize new fields.
5850 (contributes_to_priority): Removed.
5851 * haifa-sched.c (params.h): New include.
5852 (get_block_head_tail): Adjust all uses.
5853 (ISSUE_POINTS): New macro.
5854 (glat_start, glat_end): New global variables.
5855 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5856 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5857 old_last_basic_block, before_recovery, current_sched_info_var,
5858 rgn_n_insns, luid): New static variables.
5859 (insn_cost1): New function. Move logic from insn_cost to here.
5860 (find_insn_reg_weight1): New function. Move logic from
5861 find_insn_reg_weight to here.
5862 (reemit_notes, move_insn, max_issue): Change signature.
5863 (move_insn1): Removed.
5864 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5865 extend_bb): New static functions to support extension of scheduler's
5867 (generate_recovery_code, process_insn_depend_be_in_spec,
5868 begin_speculative_block, add_to_speculative_block,
5869 init_before_recovery, create_recovery_block, create_check_block_twin,
5870 fix_recovery_deps): New static functions to support
5871 generation of recovery code.
5872 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5873 restore_bb_notes, move_block_after_check, move_succs): New static
5874 functions to support ebb scheduling.
5875 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5876 functions to support handling of register live information.
5877 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5878 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5879 add_jump_dependencies): New static functions.
5880 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5881 consistancy checking.
5882 (debug_spec_status): New function to call from debugger.
5883 (priority): Added code to handle speculation checks.
5884 (rank_for_schedule): Added code to distinguish speculative instructions.
5885 (schedule_insn): Added code to handle speculation checks.
5886 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5887 Fixed to handle ebbs.
5888 (move_insn): Added code to handle ebb scheduling.
5889 (max_issue): Added code to use ISSUE_POINTS of instructions.
5890 (choose_ready): Added code to choose between speculative and
5891 non-speculative instructions.
5892 (schedule_block): Added code to handle ebb scheduling and scheduling of
5893 speculative instructions.
5894 (sched_init): Initialize new variables.
5895 (sched_finish): Free new variables. Print statistics.
5896 (try_ready): Added code to handle speculative instructions.
5897 * lists.c (copy_DEPS_LIST_list): New function.
5898 * sched-deps.c (extend_dependency_caches): New function. Move logic
5899 from create_dependency_caches to here.
5900 (get_dep_weak, ds_merge): Make global.
5901 * genattr.c (main): Code to output prototype for
5902 dfa_clear_single_insn_cache.
5903 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5904 (output_dfa_clean_insn_cache_func): Code to output
5905 dfa_clear_single_insn_cache function.
5906 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5908 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5910 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5911 New static variables.
5912 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5913 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5915 (ebb_sched_info): Initialize new fields.
5916 (get_block_head_tail): Adjust all uses.
5917 (compute_jump_reg_dependencies): Fixed to use glat_start.
5918 (schedule_ebb): Code to remove unreachable last block.
5919 (schedule_ebbs): Added code to update register live information.
5920 * sched-rgn.c (region_sched_info): Initialize new fields.
5921 (get_block_head_tail): Adjust all uses.
5922 (last_was_jump): Removed. Adjust users.
5923 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5924 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5925 Implement new hooks.
5926 (check_dead_notes1): New static function.
5927 (struct region): New fields: dont_calc_deps, has_real_ebb.
5928 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5929 (BB_TO_BLOCK): Fixed to handle EBBs.
5930 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5931 (ebb_head): New static variable.
5932 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5933 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5935 (compute_dom_prob_ps): New assertion.
5936 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5937 global_live_at_start.
5938 (init_ready_list): New assertions.
5939 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5940 (new_ready): Add support for BEGIN_CONTROL speculation.
5941 (schedule_insns): Fixed code that updates register live information
5943 (schedule_region): Fixed to handle EBBs.
5944 (init_regions): Use extend_regions and check_dead_notes1.
5945 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5946 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5947 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5948 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5949 TARGET_SCHED_GEN_CHECK,
5950 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5951 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5952 * doc/invoke.texi (max-sched-insn-conflict-delay,
5953 sched-spec-prob-cutoff): Document.
5955 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5957 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5958 inter_tick, queue_index.
5959 (struct sched_info): Change signature of init_ready_list field.
5960 Adjust all initializations.
5961 (RESOLVED_DEPS): New access macro.
5962 (ready_add): Remove prototype.
5963 (try_ready): Add prototype.
5964 * sched-rgn.c (init_ready_list): Use try_ready.
5965 (schedule_region): Initialize
5966 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5967 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5968 (init_ready_list): Use try_ready.
5969 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5970 * lists.c (remove_list_elem): Remove `static'.
5971 (remove_free_INSN_LIST_elem): New function.
5972 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5973 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5974 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5976 (readyp): New variable.
5977 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5978 change_queue_index, resolve_dep): New static functions.
5979 (try_ready): New function. Adjust callers in sched-rgn.c and
5980 sched-ebb.c to use it instead of ready_add.
5981 (clock_var): Move at the begining of file.
5982 (rank_for_schedule): Fix typo.
5983 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5984 (ready_lastpos): Enforce assertion.
5985 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5987 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5988 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5989 (queue_to_ready): Use free_INSN_LIST_list.
5990 (early_queue_to_ready): Fix typo.
5991 (schedule_block): Init readyp. Move init_ready_list call after the
5992 initialization of clock_var. Fix error in rejecting insn by
5993 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5994 that previously corrected INSN_TICKs. Add code for handling
5996 (set_priorities): Fix typo.
5997 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5998 Clarify comment and code that keeps current_sched_info->next_tail
6001 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6003 * sched-rgn.c (extend_rgns): New static function.
6004 (find_rgns): Use it.
6005 (gather_region_statistics, print_region_statistics): New static
6007 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6008 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6010 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6011 Andrey Belevantsev <abel@ispras.ru>
6013 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6014 * lists.c (unused_deps_list): New variable.
6015 (free_list): Add assertions to verify the proper distinguishing
6016 between INSN_LISTs and DEPS_LISTs.
6017 (find_list_elem, remove_list_elem, remove_list_node): New static
6019 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6020 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6021 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6022 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6024 (free_INSN_LIST_node): Likewise.
6025 * modulo-sched.c (current_sched_info): Initialize flags field.
6026 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6027 * rtl.def (DEPS_LIST): Define.
6028 * rtl.h: Declare new functions from lists.c.
6029 * sched-deps.c (spec_dependency_cache): New static variable.
6030 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6031 (add_dependence): Change return type to void. Move the logic to ...
6032 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6033 (delete_all_dependences): Add comment about forward_dependency_cache.
6034 Handle spec_dependency_cache. Handle DEPS_LISTs.
6035 (fixup_sched_groups): Clarify the change of priority of output
6036 and anti dependencies.
6037 (sched_analyze_2): Adjust add_dependence calls to create data
6038 speculative dependence.
6039 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6040 Adjust all callers. Handle DEPS_LISTS.
6041 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6042 presence of speculation.
6043 (init_dependency_caches, free_dependency_caches):
6044 Handle spec_dependency_cache.
6045 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6046 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6047 New static functions.
6048 (add_or_update_back_dep, add_or_update_back_forw_dep,
6049 add_back_forw_dep, delete_back_forw_dep): New functions.
6050 * sched-int.h (ds_t, dw_t): New typedefs.
6051 (struct sched_info): Add new field flags.
6052 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6053 Prototype new sched-deps.c functions.
6054 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6055 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6056 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6057 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6058 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6059 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6061 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6063 * sched-rgn.c (current_sched_info): Initialize flags field.
6064 (schedule_insns): Initialize current_sched_info before the sched_init
6066 * sched-ebb.c (current_sched_info): Initialize flags field.
6067 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6068 Call add_or_update_back_dep instead of add_dependence.
6069 Create control speculative dependencies.
6070 (schedule_insns): Initialize current_sched_info before the sched_init
6073 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6075 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6077 (sh_fallback_frame_state): Likewise.
6079 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6081 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6082 Do switch on default_use_cxa_atexit.
6083 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6084 * config/darwin-crt3.o: New.
6085 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6086 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6087 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6089 * config/rs6000/t-darwin: Move crt2.o building to here.
6090 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6091 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6094 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6096 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6097 from '! xxx' to '!xxx' for coding-style conformance.
6098 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6099 (EXTRA_CONSTRAINT): Likewise.
6100 * config/vax/vax.md (four unnamed insns): Likewise.
6102 2006-03-15 Paul Brook <paul@codesourcery.com>
6104 * config/arm/arm.c (minipool_pad): New.
6105 (add_minipool_forward_ref): Include pool alignment padding in address
6107 (push_minipool_fix): Set minipool_pad.
6108 (minipool_pad): Ditto.
6110 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6112 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6113 instead of GET_CODE() == MEM and REG_P() instead of
6115 (print_operand_address): Likewise.
6116 (vax_address_cost): Likewise.
6117 (vax_rtx_costs): Likewise.
6118 (vax_notice_update_cc): Likewise.
6119 (vax_output_int_add): Likewise.
6120 (INDEX_REGISTER_P): Likewise.
6121 (BASE_REGISTER_P): Likewise.
6122 (nonindexed_address_p): Likewise.
6123 (vax_mode_dependent_address_p): Likewise.
6124 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6125 (PRINT_OPERAND): Likewise.
6126 * config/vax/vax.md (ashlsi3): Likewise.
6127 (ashlsi3): Likewise.
6128 (some more unnamed insns): Likewise.
6130 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6132 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6133 iterator-style macro.
6134 (mark_control_dependent_edges_necessary): Update the use of
6135 EXECUTE_IF_CONTROL_DEPENDENT.
6137 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6139 * config/sh/predicates.md (cache_address_operand): Special.
6140 (ua_address_operand): Likewise.
6142 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6144 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6146 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6148 2006-03-15 Andreas Schwab <schwab@suse.de>
6150 * gensupport.c (identify_predicable_attribute): Don't free p_false
6151 when it is still in use.
6153 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6155 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6156 the default setting here.
6158 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6160 * tree-pass.h (pass_cfg): Remove.
6161 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6162 * passes.c (pass_cfg): Don't run it.
6164 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6166 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6167 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6169 (stack_regs_mentioned): Update the uses of
6170 stack_regs_mentioned_data. Don't access the array beyond its
6172 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6173 Don't include gt-reg-stack.h.
6175 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6176 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6178 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6181 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6184 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6186 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6188 2006-03-14 Richard Guenther <rguenther@suse.de>
6190 PR tree-optimization/26672
6191 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6194 2006-03-14 Richard Guenther <rguenther@suse.de>
6196 PR tree-optimization/26667
6197 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6198 node for the callees. Always allow inlining if it will shrink
6201 2006-03-14 Richard Guenther <rguenther@suse.de>
6204 * builtins.c (get_pointer_alignment): Prefer alignment
6205 information from decls over that from types.
6207 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6210 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6212 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6214 * config/rs6000/rs6000.opt (mdlmzb): New option.
6215 (msched-prolog, msched-epilog): Use Var not Mask.
6216 * doc/invoke.texi (-mdlmzb): Document.
6217 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6219 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6220 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6222 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6224 PR rtl-optimization/25739
6225 * bt-load.c (augment_live_range): Free tos pointer.
6227 * gensupport.c (identify_predicable_attribute): Free
6229 * gcov.c (create_file_names): Free name pointer.
6231 2006-03-13 Roger Sayle <roger@eyesopen.com>
6234 * stmt.c (emit_case_nodes): Handle the case where the index is a
6235 CONST_INT, where the comparison mode is specified by the index type.
6237 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6239 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6242 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6244 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6245 (*branch_fp_inverted): Likewise.
6247 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6250 * omp-low.c (expand_omp_for_generic): Mark istart0
6251 and iend0 as addressable.
6253 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6255 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6257 2006-03-13 Jeff Law <law@redhat.com>
6259 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6260 virtual operands are interesting.
6261 (vrp_visit_stmt): Corresponding changes.
6263 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6265 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6267 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6268 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6269 * config/bfin/crti.S: Use it instead of __PIC__.
6270 * config/bfin/crtn.S: Likewise.
6272 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6273 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6275 Lose 'G' modifier for call operand.
6276 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6277 recognize 'G' modifier.
6279 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6282 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6283 * stmt.c (expand_case): Likewise.
6285 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6287 PR rtl-optimization/26254
6288 * loop-invariant.c (seq_insns_valid_p): New function.
6289 (move_invariant_reg): Only emit new code if it is valid.
6291 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6293 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6295 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6296 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6297 (commit_one_edge_insertion): Do not look for loop notes.
6299 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6301 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6302 flag_test_coverage out of loop.
6304 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6306 * final.c (shorten_branches): Remove outdated comment, and turn
6307 the if branch that guards it to continue.
6309 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6311 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6312 * cfgloop.h (struct loop): Remove unused fields.
6314 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6316 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6317 (-dL, -fdump-rtl-loop2): Update the dump file names
6319 * doc/invoke.texi: Update dump file names.
6321 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6323 * predict.c (estimate_probability): Remove.
6324 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6325 * basic-block.h (estimate_probability): Remove prototype.
6326 * passes.c (finish_optimization_passes): Dump branch prediction or
6327 profiling heuristics to the .profile tree dump.
6328 (init_optimization_passes): Unqueue pass_branch_prob.
6330 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6332 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6334 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6335 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6337 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6339 * function.h (frame_offset_overflow): Declare.
6340 * function.c (frame_offset_overflow): New function.
6341 (assign_stack_local_1): Call it to detect that the offset overflows.
6342 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6344 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6346 * config/sh/sh.c: Include alloc-pool.h.
6347 (label_ref_list_pool): New alloc pool.
6348 (label_ref_list_t): New type for lists of labels.
6349 (struct pool_node): Make wend a label_ref_list_t.
6350 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6352 (dump_table): Likewise.
6353 (sh_reorg): Set up the alloc pool before using add_constant and
6354 dump_table, and destroy it when finishing.
6356 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6358 * config/mips/mips.c: Remove redundant comment.
6360 2006-03-10 Jason Merrill <jason@redhat.com>
6363 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6364 the target was declared 'register'.
6366 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6368 * genpreds.c (write_insn_constraint_len): Change definition of
6369 insn_constraint_len to return size_t to match the declaration.
6371 2006-03-10 DJ Delorie <dj@redhat.com>
6373 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6375 (m32c_expand_insv): Fix test for an AND mask.
6377 2006-03-10 Richard Guenther <rguenther@suse.de>
6380 * builtins.c (get_pointer_alignment): Handle component
6381 references for field alignment.
6383 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6385 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6386 when building with libgloss.
6387 (sh*elf): Implement --without-fp option.
6388 (sh64-superh-linux*): Don't multilib.
6390 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6392 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6394 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6396 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6397 Set it when one of the replacement functions returned true.
6398 Return TODO_cleanup_cfg if cfgchanged is true.
6399 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6401 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6403 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6404 instead of gen_lowpart.
6406 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6408 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6410 (mips_output_order_conditional_branch): Declare.
6411 * config/mips/mips.h (MIPS_BRANCH): New macro.
6412 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6413 for the comparison. Use gen_condjump.
6414 (mips_output_conditional_branch): Rework interface to take the
6415 asm templates for a direct branch and the inverse of a direct branch.
6416 (mips_output_order_conditional_branch): New function.
6417 (mips_builtin_branch_and_move): New function.
6418 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6419 branch condition. Use gen_single_cc as the condition for
6420 __builtin_mips_upper_* or __builtin_mips_lower_*.
6421 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6422 Use VOIDmode for the branch condition.
6423 * config/mips/predicates.md (order_operator): New predicate.
6424 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6425 (branch_fp): Rename to...
6426 (*branch_fp): ...this. Remove mode from comparison operator.
6427 Use new mips_output_conditional_branch interface.
6428 (branch_fp_inverted): Rename to...
6429 (*branch_fp_inverted): ...this and update as for *branch_fp.
6430 (*branch_zero<mode>): Rename to...
6431 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6432 Use mips_output_order_conditional_branch. Only accept ordered
6434 (*branch_zero<mode>_inverted): Rename to...
6435 (*branch_order<mode>_inverted): ...this and update as for
6436 *branch_order<mode>.
6437 (*branch_equality<mode>): Accept zero as the second operand to
6438 the equality operator. Use the new mips_output_conditional_branch
6440 (*branch_equality<mode>_inverted): Likewise.
6441 (condjump): New expander.
6442 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6444 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6445 (bc1any2t, bc1any2f): Likewise.
6446 (single_cc): New expander.
6447 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6449 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6451 * doc/md.texi: Update documentation of MIPS constraints.
6452 * config/mips/constraints.md: New file.
6453 * config/mips/mips.md: Include it.
6454 * config/mips/mips.c (mips_char_to_class): Delete.
6455 (override_options): Don't initialize mips_char_to_class.
6456 * config/mips/mips.h (mips_char_to_class): Delete.
6457 (REG_CLASS_FROM_LETTER): Delete.
6458 (CONST_OK_FOR_LETTER_P): Delete.
6459 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6460 (EXTRA_CONSTRAINT_Y): Delete.
6461 (EXTRA_CONSTRAINT_STR): Delete.
6462 (CONSTRAINT_LEN): Delete.
6463 (EXTRA_MEMORY_CONSTRAINT): Delete.
6465 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6467 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6468 original fn's eh regions.
6470 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6472 * fold-const.c (build_range_check): Make sure to use a valid type to
6473 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6476 (range_predecessor): New static function.
6477 (range_successor): Likewise.
6478 (merge_ranges): Use them to compute predecessors and successors of
6481 2006-03-09 Roger Sayle <roger@eyesopen.com>
6484 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6485 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6487 2006-03-08 DJ Delorie <dj@redhat.com>
6489 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6490 (addpsi3): Expand to include memory operands. Remove
6491 reload-specific splits.
6492 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6493 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6494 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6495 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6496 (shift1_qi, shift1_hi, insv): New.
6497 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6498 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6499 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6501 * config/m32c/m32c-protos.h: Update as needed.
6502 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6503 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6504 Fail for unrecognized R* constraints.
6505 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6506 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6507 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6509 (m32c_init_libfuncs): New.
6510 (m32c_legitimate_address_p): Add debug wrapper.
6511 (m32c_rtx_costs): New.
6512 (m32c_address_cost): New.
6513 (conversions): Add 'B' prefix.
6514 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6515 operands, or word regnames for QI operands. 'B' prints bit
6517 (m32c_expand_setmemhi): New.
6518 (m32c_expand_movmemhi): New.
6519 (m32c_expand_movstr): New.
6520 (m32c_expand_cmpstr): New.
6521 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6522 (m32c_expand_neg_mulpsi3): Handle non-ints.
6523 (m32c_cmp_flg_0): New.
6524 (m32c_expand_movcc): New.
6525 (m32c_expand_insv): New.
6526 (m32c_scc_pattern): New.
6527 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6528 a0/a1 out of SIregs.
6529 (STORE_FLAG_VALUE): New.
6530 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6533 * config/m32c/mov.md: Make constraints more liberal.
6534 (zero_extendqihi2): Optimize r0/r1 case.
6535 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6536 * config/m32c/predicates.md (m32c_any_operand): New.
6537 (m32c_nonimmediate_operand): New.
6538 (m32c_hl_operand): New.
6539 (m32c_r3_operand): New.
6542 (memsym_operand): New.
6543 (memimmed_operand): New.
6544 (a_qi_operand): New.
6545 (m32c_eqne_operator): New.
6546 (m32c_1bit8_operand): New.
6547 (m32c_1bit16_operand): New.
6548 (m32c_1mask8_operand): New.
6549 (m32c_1mask16_operand): New.
6550 * config/m32c/blkmov.md: New file.
6551 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6553 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6555 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6556 unsigned to fix signed/unsigned comparison issue in
6557 DWARF2_FRAME_REG_OUT.
6558 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6559 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6561 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6562 of ptr into the ENABLE_CHECKING section.
6564 2006-03-08 Jeff Law <law@redhat.com>
6566 * tree-vrp.c (infer_value_range): Only count pointer uses
6567 and dereferences if -fdelete-null-pointer-checks is enabled.
6569 * tree-vrp.c (find_assert_locations): Infer value ranges for
6570 single use pointers, but do not create ASSERT_EXPRs for them.
6571 When a non-null range is inferred for a pointer, backwards
6572 propagate that range to other equivalent pointers through the
6575 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6578 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6579 language hook targets.
6580 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6581 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6582 if language hook targets were missing.
6584 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6586 * tree-ssa-opfinalize.h: Removed.
6587 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6589 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6590 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6591 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6592 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6593 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6594 finalize_ssa_v_must_def_ops): New.
6596 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6598 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6601 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6603 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6605 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6606 addresses with offsets; reorganize.
6608 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6609 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6610 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6612 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6615 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6617 2006-03-08 Ben Elliston <bje@au.ibm.com>
6619 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6621 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6624 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6627 2006-03-07 Richard Guenther <rguenther@suse.de>
6629 PR tree-optimization/26587
6630 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6632 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6634 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6636 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6638 * hooks.c (hook_bool_mode_rtx_true): New function.
6639 * hooks.h (hook_bool_mode_rtx_true): Declare.
6640 * toplev.c (compile_file): Call output_shared_constant_pool.
6641 * varasm.c (shared_constant_pool): New variable.
6642 (assemble_start_function, assemble_end_function): Remove arguments
6643 from call to output_constant_pool.
6644 (create_constant_pool): New function, split out from...
6645 (init_varasm_status): ...here.
6646 (force_const_mem): Choose between the shared and per-function constant
6647 pools. Set current_function_uses_const_pool when reusing old entries
6648 as well as when creating new ones.
6649 (mark_constant): Ignore data argument.
6650 (mark_constants): Remove pool argument.
6651 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6652 to decide whether the function uses a constant pool.
6653 (output_constant_pool_contents): New function, split out from...
6654 (output_constant_pool): ...here.
6655 (output_shared_constant_pool): New function.
6656 (init_varasm_once): Initialize shared_constant_pool.
6657 * output.h (output_constant_pool): Delete.
6658 (output_shared_constant_pool): Declare.
6659 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6660 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6662 2006-03-06 Nick Clifton <nickc@redhat.com>
6664 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6665 flag_strength_reduce.
6667 2006-03-06 Ben Elliston <bje@au.ibm.com>
6669 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6670 x86_64-*-linux* configurations.
6672 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6673 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6675 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6677 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6679 * basic-block.h: Remove the extern for
6680 rediscover_loops_after_threading.
6682 * cfgloop.c (cancel_loop): Make it static.
6683 * cfgloop.h: Remove the prototype for cancel_loop.
6685 * flow.c (recompute_reg_usage): Make it static.
6686 * rtl.h: Remove the prototype for recompute_reg_usage.
6688 * function.c (use_return_register): Make it static.
6689 * function.h: Remove the prototype.
6691 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6693 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6695 * recog.h: Remove the prototype for
6696 validate_change_maybe_volatile.
6698 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6700 * rtlanal.c (replace_reg): Remove.
6701 * rtl.h: Remove the prototype for replace_reg.
6703 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6705 * regclass.c (reg_scan_update): Remove.
6706 (reg_scan_mark_refs): Remove the last argument.
6707 * rtl.h: Remove the prototype for reg_scan_update.
6709 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6711 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6712 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6713 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6714 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6715 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6716 loop-invariant.c, omp-low.c, opts.c, passes.c,
6717 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6718 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6719 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6720 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6721 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6722 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6724 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6726 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6727 * dwarf2out.h: Remove the prototype for
6728 dwarf2out_add_library_unit_info.
6730 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6732 * tree.c (add_var_to_bind_expr): Remove.
6733 * tree.h: Remove the prototype for add_var_to_bind_expr.
6735 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6737 * regclass.c (n_non_fixed_regs): Remove.
6738 (init_reg_sets_1, globalize_reg): Remove all uses of
6740 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6742 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6744 * rtlanal.c (insns_safe_to_move_p): Remove.
6745 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6747 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6749 * expmed.c (expand_mult_add): Remove.
6750 * expr.h: Remove the prototype for expand_mult_add.
6752 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6754 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6755 and REG_SAVED_VAL_EXP constants.
6756 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6757 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6758 Handle regs stored by value.
6759 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6760 (execute_cfa_program): Handle DW_CFA_val_offset,
6761 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6762 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6763 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6764 (uw_install_context_1): Handle target regs stored by value.
6766 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6768 * tree-sra.c (tree_sra): Return todoflags;
6769 (generate_one_element): Set TODO_update_smt_usage if needed.
6770 (pass_sra): Remove TODO_update_smt_usage.
6771 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6773 (tree_ssa_forward_propagate_single_use_vars): Return
6774 TODO_update_smt_usage if we need to update SMT usage.
6775 (pass_forwprop): Remove TODO_update_smt_usage.
6777 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6779 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6780 (correct_use_link): Remove reference to get_stmt_operands.
6781 (update_stmt_operands): Likewise.
6782 (get_modify_expr_operands): New function factored out of
6783 parse_ssa_operands and get_expr_operands.
6784 Try to create V_MUST_DEFs for LHS by default.
6785 (get_expr_operands) <case MODIFY_EXPR>: Call
6786 get_modify_expr_operands.
6787 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6788 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6789 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6790 get_modify_expr_operands.
6792 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6794 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6795 * tree-flow.h: Remove the prototype for
6796 referenced_var_lookup_if_exists.
6798 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6800 PR rtl-optimization/26345
6802 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6804 2006-03-03 Roger Sayle <roger@eyesopen.com>
6806 PR tree-optimization/26524
6807 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6808 fold_convert to create a constant of the appropriate type.
6810 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6812 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6813 SYMBOL_REF_IN_BLOCK_P.
6814 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6815 of SYMBOL_FLAG_IN_BLOCK.
6816 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6817 instead of SYMBOL_REF_IN_BLOCK_P.
6818 * explow.c (use_anchored_address): Likewise.
6819 * rtl.c (rtx_size): Likewise.
6820 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6821 instead of SYMBOL_FLAG_IN_BLOCK.
6822 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6823 SYMBOL_REF_IN_BLOCK_P.
6824 (assemble_variable): Likewise.
6825 (output_constant_def_contents): Likewise.
6826 (output_constant_pool): Likewise.
6827 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6828 instead of SYMBOL_FLAG_IN_BLOCK.
6829 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6830 SYMBOL_REF_IN_BLOCK_P.
6831 (SYMBOL_REF_BLOCK): Likewise.
6832 (SYMBOL_REF_OFFSET): Likewise.
6833 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6834 SYMBOL_REF_IN_BLOCK_P.
6835 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6836 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6837 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6838 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6840 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6842 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6844 2006-03-02 Roger Sayle <roger@eyesopen.com>
6846 * simplify-rtx.c (simplify_unary_operation): When simplifying
6847 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6848 that we perform the right shift in the appropriate mode, and
6849 then extend or truncate the result to requested mode.
6851 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6853 * gengtype.c (main): Handle double_int type.
6854 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6855 * double-int.c: New file.
6856 * double-int.h: New file.
6857 * system.h: Include doubleint.h.
6858 * Makefile.in (SYSTEM_H): Include double-int.h.
6859 (double-int.o): Add.
6861 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6864 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6867 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6869 * tree-vrp.c (remove_range_assertions): Do not update statements
6872 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6874 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6876 * gcse.c (rest_of_handle_gcse): Ditto.
6877 * except.c (gate_handle_eh): Ditto.
6878 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6879 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6881 2006-03-02 Eric Christopher <echristo@apple.com>
6883 * config/i386/i386.c (machopic_output_stub): Add indirection to
6886 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6890 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6892 Sun Niagara specific optimizations.
6893 * config.gcc: Recognize niagara as target.
6894 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6895 (TARGET_CPU_niagara): Define.
6896 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6897 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6898 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6899 (ASM_CPU_SPEC): Likewise.
6900 (PROCESSOR_NIAGARA): New enum entry.
6901 (REGISTER_MOVE_COST): Handle Niagara.
6902 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6903 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6904 (sparc_override_options): Recognize "niagara", set appropriate
6905 default MASK_* values for it, and align functions to 32-bytes
6906 by default just like ULTRASPARC/ULTRASPARC3.
6907 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6908 (sparc64_initialize_trampoline): Likewise.
6909 (sparc_use_sched_lookahead): Use zero for niagara.
6910 (sparc_issue_rate): Use one for niagara.
6911 * config/sparc/niagara.md: New file.
6912 * config/sparc/sparc.md: Include it.
6913 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6914 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6915 when default cpu is niagara.
6916 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6917 (ASM_CPU_SPEC): Likewise.
6918 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6919 when default cpu is niagara.
6920 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6921 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6922 just like v9/ultrasparc/ultrasparc3.
6923 * doc/invoke.texi: Add documentation for "niagara" and improve
6924 existing documentation for ultrasparc variants.
6926 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6928 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6930 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6932 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6933 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6934 and say that only one is needed.
6935 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6936 * target.h (have_switchable_bss_sections): New hook.
6937 * explow.c (use_anchored_address): Check that the symbol is in a block.
6938 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6939 (bss_noswitch_section): New variables.
6940 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6941 (get_noswitch_section): New function.
6942 (get_block_for_section): Allow SECT to be null.
6943 (unlikely_text_section_p): Use SECTION_STYLE.
6944 (bss_initializer_p): New function.
6945 (get_variable_section): Move earlier in file. Take a new argument,
6946 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6947 Return one of the new *_sections in such cases.
6948 (get_block_for_decl): New function, extracting some logic from
6949 use_blocks_for_decl_p.
6950 (change_symbol_section): Remove in favor of...
6951 (change_symbol_block): ...this new function.
6952 (use_blocks_for_decl_p): Remove checks now performed by
6954 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6955 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6956 (emit_local, emit_bss, emit_common): ...these new functions.
6957 Return true if the alignment was honored.
6958 (emit_tls_common): New function.
6959 (asm_emit_uninitialised): Delete.
6960 (assemble_variable_noswitch): New function, split out from...
6961 (assemble_variable): ...here. Don't make decisions about common
6962 variables here. Globalize all public decls that go into non-common
6963 sections. Check whether SYMBOL_REF_BLOCK is null.
6964 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6965 (output_constant_pool): Likewise.
6966 (init_varasm_once): Initialize the new section variables.
6967 (have_global_bss_p): New function.
6968 (categorize_decl_for_section): Use bss_initializer_p.
6969 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6970 (place_block_symbol): Assert that the symbol must be in a block.
6971 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6972 (TARGET_INITIALIZER): Include it.
6973 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6974 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6975 (SECTION_MACH_DEP): Bump by two.
6976 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6977 (unnamed_section): Mention SECTION_UNNAMED in comment.
6978 (named_section): Likewise SECTION_NAMED.
6979 (noswitch_section_callback): New type.
6980 (noswitch_section): New structure.
6981 (section): Add a noswitch_section alternative.
6982 (SECTION_STYLE): New macro.
6983 (tls_comm_section, comm_section, lcomm_section): Declare.
6984 (bss_noswitch_section, have_global_bss_p): Declare.
6985 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6986 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6988 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6989 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6992 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6994 * tree-vrp.c (execute_vrp): Return value.
6995 * regrename.c (rest_of_handle_regrename): Ditto.
6996 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6997 * tree-complex.c (tree_lower_complex): Ditto.
6998 (tree_lower_complex_O0): Ditto.
6999 * tracer.c (rest_of_handle_tracer): Ditto.
7000 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7001 * postreload.c (rest_of_handle_postreload): Ditto.
7002 * tree-tailcall.c (execute_tail_recursion): Ditto.
7003 (execute_tail_calls): Ditto.
7004 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7005 * tree.h (init_function_for_compilation): Ditto.
7006 * ipa-cp.c (ipcp_driver): Ditto.
7007 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7008 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7009 * final.c (compute_alignments): Ditto.
7010 (rest_of_handle_final): Ditto.
7011 (rest_of_handle_shorten_branches): Ditto.
7012 (rest_of_clean_state): Ditto.
7013 * omp-low.c (execute_expand_omp): Ditto.
7014 (execute_lower_omp): Ditto.
7015 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7016 * ipa-reference.c (static_execute): Ditto.
7017 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7018 * reorg.c (rest_of_handle_delay_slots): Ditto.
7019 (rest_of_handle_machine_reorg): Ditto.
7020 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7021 * flow.c (recompute_reg_usage): Ditto.
7022 (rest_of_handle_remove_death_notes): Ditto.
7023 (rest_of_handle_life): Ditto.
7024 (rest_of_handle_flow2): Ditto.
7025 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7026 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7027 (do_ssa_store_ccp): Ditto.
7028 (execute_fold_all_builtins): Ditto.
7029 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7030 * modulo-sched.c (rest_of_handle_sms): Ditto.
7031 * ipa-pure-const.c (static_execute): Ditto.
7032 * cse.c (rest_of_handle_cse): Ditto.
7033 (rest_of_handle_cse2): Ditto.
7034 * web.c (rest_of_handle_web): Ditto.
7035 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7036 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7037 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7038 * tree-nrv.c (tree_nrv): Ditto.
7039 (execute_return_slot_opt): Ditto.
7040 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7041 (create_structure_vars): Ditto.
7042 * loop-init.c (rtl_loop_init): Ditto.
7043 (rtl_loop_done): Ditto.
7044 (rtl_move_loop_invariants): Ditto.
7045 (rtl_unswitch): Ditto.
7046 (rtl_unroll_and_peel_loops): Ditto.
7047 (rtl_doloop): Ditto.
7048 * gimple-low.c (lower_function_body): Ditto.
7049 (mark_used_blocks): Ditto.
7050 * tree-ssa-sink.c (execute_sink_code): Ditto.
7051 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7052 (cgraph_early_inlining): Ditto.
7053 * global.c (rest_of_handle_global_alloc): Ditto.
7054 * jump.c (cleanup_barriers): Ditto.
7055 (purge_line_number_notes): Ditto.
7056 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7057 (rest_of_handle_if_after_reload): Ditto.
7058 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7059 (tree_ssa_loop_im): Ditto.
7060 (tree_ssa_loop_unswitch): Ditto.
7061 (tree_vectorize): Ditto.
7062 (tree_linear_transform): Ditto.
7063 (tree_ssa_loop_ivcanon): Ditto.
7064 (tree_ssa_empty_loop): Ditto.
7065 (tree_ssa_loop_bounds): Ditto.
7066 (tree_complete_unroll): Ditto.
7067 (tree_ssa_loop_prefetch): Ditto.
7068 (tree_ssa_loop_ivopts): Ditto.
7069 (tree_ssa_loop_done): Ditto.
7070 * predict.c (tree_estimate_probability): Ditto.
7071 * recog.c (split_all_insns_noflow): Ditto.
7072 (rest_of_handle_peephole2): Ditto.
7073 (rest_of_handle_split_all_insns): Ditto.
7074 * tree-eh.c (lower_eh_constructs): Ditto.
7075 * regmove.c (rest_of_handle_regmove): Ditto.
7076 (rest_of_handle_stack_adjustments): Ditto.
7077 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7078 * function.c (instantiate_virtual_regs): Ditto.
7079 (init_function_for_compilation): Ditto.
7080 (rest_of_handle_check_leaf_regs): Ditto.
7081 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7082 (rest_of_handle_gcse): Ditto.
7083 * ipa-type-escape.c (type_escape_execute): Ditto.
7084 * alias.c (rest_of_handle_cfg): Ditto.
7085 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7086 * profile.c (rest_of_handle_branch_prob): Ditto.
7087 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7088 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7089 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7090 * tree-dfa.c (find_referenced_vars): Ditto.
7091 * except.c (set_nothrow_function_flags): Ditto.
7092 (convert_to_eh_region_ranges): Ditto.
7093 (rest_of_handle_eh): Ditto.
7094 * emit-rtl.c (unshare_all_rtl): Ditto.
7095 (remove_unnecessary_notes): Ditto.
7096 * except.h (set_nothrow_function_flags): Ditto.
7097 (convert_to_eh_region_ranges): Ditto.
7098 * cfgexpand.c (tree_expand_cfg): Ditto.
7099 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7100 * tree-ssa-pre.c (do_pre): Ditto.
7101 (execute_fre): Ditto.
7102 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7103 (rest_of_handle_jump2): Ditto.
7104 * tree-sra.c (tree_sra): Ditto.
7105 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7106 (execute_mudflap_function_decls): Ditto.
7107 * tree-ssa-copy.c (do_copy_prop): Ditto.
7108 (do_store_copy_prop): Ditto.
7109 * ipa-prop.h (ipcp_driver): Ditto.
7110 * cfglayout.c (insn_locators_initialize): Ditto.
7111 * tree-ssa-forwprop.c
7112 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7113 * cfglayout.h (insn_locators_initialize): Ditto.
7114 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7115 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7116 (execute_late_warn_uninitialized): Ditto.
7117 * rtl.h (cleanup_barriers): Ditto.
7118 (split_all_insns_noflow): Ditto.
7119 (purge_line_number_notes): Ditto.
7120 (unshare_all_rtl): Ditto.
7121 (remove_unnecessary_notes): Ditto.
7122 (recompute_reg_usage): Ditto.
7123 (variable_tracking_main): Ditto.
7124 * integrate.c (emit_initial_value_sets): Ditto.
7125 * integrate.h (emit_initial_value_sets): Ditto.
7126 * tree-optimize.c (execute_free_datastructures): Ditto
7127 (execute_free_cfg_annotations): Ditto.
7128 (execute_fixup_cfg): Ditto.
7129 (execute_cleanup_cfg_pre_ipa): Ditto.
7130 (execute_cleanup_cfg_post_optimizing): Ditto.
7131 (execute_init_datastructures): Ditto.
7132 * tree-object-size.c (compute_object_sizes): Ditto.
7133 * combine.c (rest_of_handle_combine): Ditto.
7134 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7135 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7136 (rest_of_handle_reorder_blocks): Ditto.
7137 (rest_of_handle_partition_blocks): Ditto.
7138 * var-tracking.c (variable_tracking_main): Ditto.
7139 * tree-profile.c (tree_profiling): Ditto.
7140 * tree-vect-generic.c (expand_vector_operations): Ditto.
7141 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7142 * sched-rgn.c (rest_of_handle_sched): Ditto.
7143 (rest_of_handle_sched2): Ditto.
7144 * basic-block.h (free_bb_insn): Ditto.
7145 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7146 * tree-cfg.c (execute_build_cfg): Ditto.
7147 (remove_useless_stmts): Ditto.
7148 (split_critical_edges): Ditto.
7149 (execute_warn_function_return): Ditto.
7150 (execute_warn_function_noreturn): Ditto.
7151 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7152 * cfgrtl.c (free_bb_for_insn): Ditto.
7153 * passes.c (execute_one_pass): Run additional
7154 todos returned by execute function.
7155 * tree-pass.h (struct tree_opt_pass): Make execute
7158 2006-03-02 Richard Guenther <rguenther@suse.de>
7160 * tree-ssa-alias.c (find_used_portions): Consider taking
7161 the address as making the variable not write-only.
7163 2006-03-02 Nick Clifton <nickc@redhat.com>
7165 * config.gcc (default_use_cxa_atexit): Extend the description of
7166 this configure variable. Set its default value to "yes" for
7167 Linux, NetBSD and ELF targets on the assumption that they will
7168 use C libraries with the __cxa_atexit function.
7170 2006-03-02 Ben Elliston <bje@au.ibm.com>
7172 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7173 parameter as unused to suppress a build warning.
7175 2006-03-02 Ben Elliston <bje@au.ibm.com>
7177 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7180 2006-03-01 Roger Sayle <roger@eyesopen.com>
7183 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7184 declared name, the weak reference name, and the typeof name.
7185 (__gthrw): Avoid expanding the declared name suffix.
7186 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7188 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7190 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7192 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7193 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7194 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7195 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7196 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7197 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7198 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7199 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7200 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7201 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7202 (DW_END_default, DW_END_big, DW_END_little): New.
7203 (DW_END_lo_user, DW_END_hi_user): Define.
7204 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7205 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7206 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7209 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7211 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7213 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7215 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7217 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7219 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7220 to 'symbol_mem_tag'.
7222 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7225 2006-03-01 Roger Sayle <roger@eyesopen.com>
7227 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7229 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7232 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7233 MACHO_DYNAMIC_NO_PIC_P.
7234 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7236 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7239 * config/darwin-protos.h (darwin_asm_output_anchor):
7241 * config/darwin-sections.def (cstring_section):
7242 Add SECTION_MERGE to the flags.
7243 (literal4_section): Likewise.
7244 (literal8_section): Likewise.
7245 (objc_selector_refs_section): Likewise.
7246 (objc_cls_refs_section): Likewise.
7247 * config/darwin.c (darwin_asm_output_anchor): New
7249 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7251 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7253 Fix PR tree-optimization/26443
7254 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7255 to todo and PROP_tmt_usage to properties_destroyed.
7256 * tree-ssa-ccp.c (pass_ccp): Ditto.
7257 (pass_store_ccp): Ditto.
7258 * tree-ssa-dom.c (pass_dominator): Ditto.
7260 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7262 * tree-ssa-operands.c: Cleanup whitespace.
7263 (get_asm_expr_operands): Move before first invocation.
7264 (get_indirect_ref_operands): Likewise.
7265 (get_tmr_operands): Likewise.
7266 (get_call_expr_operands): Likewise.
7267 (append_def): Likewise.
7268 (append_use): Likewise.
7269 (append_v_may_def): Likewise.
7270 (append_v_must_def): Likewise.
7271 (add_call_clobber_ops): Likewise.
7272 (add_call_read_ops): Likewise.
7273 (add_stmt_operand): Likewise.
7274 (add_virtual_operand): Likewise.
7275 (build_ssa_operands): Likewise.
7277 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7282 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7283 with a call expr to ...
7284 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7286 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7288 * tree-vrp.c (extract_range_from_assert): Remove special
7289 handling for types with super-types.
7291 2006-03-01 Ben Elliston <bje@au.ibm.com>
7293 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7294 and powerpc64-*-linux* configurations.
7295 * config/t-dfprules: New file.
7297 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7298 Compile dfp-bit.c from the source directory using -DWIDTH and
7299 $DFP_CFLAGS to control the compilation of that file, rather than
7300 generating width-specific versions in the build directory.
7301 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7302 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7304 2006-02-28 Zack Weinberg <zackw@panix.com>
7306 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7309 2006-02-28 Eric Christopher <echristo@apple.com>
7311 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7312 Set up IN_LIBGCC definition of TARGET_64BIT.
7313 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7315 2006-02-28 Roger Sayle <roger@eyesopen.com>
7318 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7319 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7320 cases via the construction of "expr != 0".
7322 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7324 * alias.c (alias_invariant, alias_invariant_size): Remove.
7325 (record_base_value): Remove.
7326 (memrefs_conflict_p): Don't look at alias_invariant.
7327 (end_alias_analysis): Don't free it.
7328 * alias.h (record_base_value): Remove prototype.
7330 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7331 Adam Nemet <anemet@caviumnetworks.com>
7333 * rtl.h (truncated_to_mode): Declare it.
7334 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7335 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7336 (RTL_HOOKS_INITIALIZER): Include it.
7337 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7338 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7339 reg_truncated_to_mode.
7340 * rtlanal.c (truncated_to_mode): Define it.
7341 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7343 2006-02-28 Jeff Law <law@redhat.com>
7345 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7346 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7347 the range allowed by TYPE_PRECISION.
7349 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7351 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7353 PR tree-optimization/26419
7354 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7357 2006-02-27 Zack Weinberg <zackw@panix.com>
7359 * doc/md.texi: Fix typo in previous change.
7361 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7365 2006-02-27 Zack Weinberg <zackw@panix.com>
7367 * rtl.def (define_constraint, define_register_constraint)
7368 (define_memory_constraint, define_address_constraint): New MD forms.
7369 * gensupport.c (process_rtx): Put define_constraint etc on the
7371 * genpreds.c (process_define_predicate): Adjust comment. Validate
7372 the name, and call validate_exp to validate the expression.
7373 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7374 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7375 all callers changed.
7376 (validate_exp, needs_variable, struct constraint_data)
7377 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7378 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7379 (const_dbl_constraints, constraint_max_namelen)
7380 (have_register_constraints, have_memory_constraints)
7381 (have_address_constraints, have_address_constraints)
7382 (have_extra_constraints, have_const_int_constraints)
7383 (have_const_dbl_constraints, mangle, add_constraint)
7384 (process_define_constraint, process_define_register_constraint)
7385 (write_enum_constraint_num, write_lookup_constraint)
7386 (write_insn_constraint_len, write_regclass_for_constraint)
7387 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7388 (write_insn_extra_memory_constraint)
7389 (write_insn_extra_address_constraint)
7390 (write_satisfies_constraint_fns): New.
7391 (write_tm_preds_h): If we have new-style constraint definitions,
7392 prototype the functions generated from them, and define the
7393 old constraint interface (still used by generic code) in terms of
7395 (write_insn_preds_c): If we have new-style constraint definitions,
7396 generate all relevant functions from those definitions.
7397 (main): Handle define_constraint etc.
7398 * genoutput.c (struct constraint_data, indep_constraints)
7399 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7400 (mdep_constraint_len): New data structures and functions, defined
7401 #ifdef USE_MD_CONSTRAINTS.
7402 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7403 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7404 use new logic to validate operand constraints against constraint
7406 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7408 * defaults.h: If none of the old-style constraint macros are
7409 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7410 old-style macros; and poison REG_CLASS_FROM_LETTER,
7411 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7413 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7414 * doc/md.texi: Document new constraint-definition mechanism and the
7415 C interface it provides. Remove references to old mechanism
7416 elsewhere in the document.
7417 (Machine Constraints): Use pathnames relative to gcc directory,
7418 i.e. config/ARCH/FILE. Change i386 section to refer to
7419 config/i386/predicates.md; update that section to match docstrings.
7420 * doc/tm.texi: Move all documentation of the old constraint-
7421 definition macros to their own section, clearly mark as obsolete.
7423 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7424 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7426 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7427 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7428 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7430 (splits and peepholes): Use satisfies_constraint_*.
7431 * config/i386/i386.c (memory_address_length)
7432 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7434 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7436 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7437 scalar operation to be put back into the loop.
7439 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7442 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7443 (extract_cie_info): Handle S flag in augmentation string.
7444 (execute_cfa_program): If context->signal_frame, execute also
7445 fs->pc == context->ra instructions.
7446 (uw_frame_state_for): If context->signal_frame, don't subtract one
7447 from context->ra to find FDE.
7448 (uw_update_context_1): Set context->signal_frame to
7450 (_Unwind_GetIPInfo): New function.
7451 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7452 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7454 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7455 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7456 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7457 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7458 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7459 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7460 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7461 x86_64_fallback_frame_state): Set fs->signal_frame.
7462 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7463 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7464 (frob_update_context): Likewise. Workaround missing S flag in
7465 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7466 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7467 Remove the psw_addr + 1 hack.
7469 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7471 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7472 with aggregates here.
7473 (find_func_aliases): Remove code for &<aggregate> from here.
7475 2006-02-26 Roger Sayle <roger@eyesopen.com>
7477 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7478 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7479 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7482 2006-02-26 Roger Sayle <roger@eyesopen.com>
7485 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7487 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7489 * opts.c (decode_options): Do not handle flag_strength_reduce.
7490 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7491 and OPT_fstrength_reduce.
7492 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7493 flag_prefetch_loop_arrays for being nonzero.
7494 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7496 (fprefetch-loop-arrays-rtl): Removed.
7497 (flag_prefetch_loop_arrays): Do not specify the value.
7499 * doc/passes.texi: Update documentation of loop optimizer
7501 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7502 -frerun-loop-opt): Remove.
7504 2006-02-26 Richard Guenther <rguenther@suse.de>
7506 PR tree-optimization/26421
7507 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7508 in function calls that are ADDR_EXPRs as using the whole structure.
7510 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7512 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7513 * tree-pass.h (pass_loop_optimize): Remove.
7514 * passes.c (pass_loop_optimize): Never run it.
7515 * toplev.c (backend_init): Don't call init_loop.
7516 * opts.c (flag_loop_optimize_set): Remove.
7517 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7518 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7519 the old RTL loop optimizer when profiling enabled.
7520 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7521 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7522 pre-headers for the sake of the old RTL loop optimizer.
7523 * Makefile.in: Remove all references to loop.o.
7525 * doc/invoke.texi: Remove all references to -floop-optimize
7526 and -frerun-loop-opt.
7528 2006-02-26 Zack Weinberg <zackw@panix.com>
7530 * doc/md.texi (Machine Constraints): Refer to all files with paths
7531 relative to gcc directory (i.e. config/CPU/file). Add missing
7532 @table @code ... @end table to M32C subsection.
7534 2006-02-26 Roger Sayle <roger@eyesopen.com>
7536 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7538 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7540 2006-02-26 Roger Sayle <roger@eyesopen.com>
7541 James A. Morrison <phython@gcc.gnu.org>
7544 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7545 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7546 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7547 signedness of the shift operation.
7549 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7551 PR tree-optimization/26359
7552 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7554 2006-02-25 Roger Sayle <roger@eyesopen.com>
7556 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7557 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7558 as X == 0, and some symmetry related transformations.
7559 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7561 2006-02-25 Roger Sayle <roger@eyesopen.com>
7564 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7565 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7566 symmetry related transformations. Fold (X^C1) == C2 as
7569 2006-02-25 Juergen Weigert <jw@suse.de>
7570 Richard Guenther <rguenther@suse.de>
7572 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7574 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7576 * combine.c (gen_lowpart_or_truncate): Call
7577 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7579 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7581 * doc/invoke.texi: Move -fopenmp description to "Options for
7583 Remove reference to -lgomp.
7585 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7587 * doc/install.texi: Require GNU tar version 1.14.
7589 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7591 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7592 * doc/invoke.texi (C++ Dialect Options): Document
7593 -fno-use-cxa-get-exception-ptr.
7594 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7595 * configure: Regenerate.
7596 * c.opt (fuse-cxa-get-exception-ptr): New.
7597 * c-opts.c (c_common_handle_option): Handle
7598 OPT_fuse_cxa_get_exception_ptr.
7599 * c-common.c (flag_use_cxa_atexit): Update documentation.
7600 (flag_use_cxa_get_exception_ptr): New.
7601 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7602 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7604 (C_COMMON_OVERRIDE_OPTIONS): New.
7606 2006-02-24 Roger Sayle <roger@eyesopen.com>
7609 * combine.c (try_combine): Explicitly check whether GET_CODE is
7610 a SET or a CLOBBER, instead on checking that it isn't a USE.
7612 2006-02-24 Roger Sayle <roger@eyesopen.com>
7614 * fold-const.c (fold_comparison): New subroutine of fold_binary
7615 containing transformations common to both the equality and
7616 ordering relational operators, factored out of fold_binary.
7617 (fold_binary): Separate out the equality operators (EQ_EXPR
7618 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7619 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7620 transformations common to both.
7621 (fold_div_compare): Fix latent bugs in the previously unreachable
7622 LT_EXPR and GE_EXPR cases.
7624 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7626 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7627 decl libname for clog to __clog on AIX.
7629 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7631 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7634 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7635 output traceback table for thunks. Localise rs6000_stack_info call.
7637 2006-02-23 Roger Sayle <roger@eyesopen.com>
7638 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7640 * gthr-posix.h (__gthrw): Fix typo in comment.
7642 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7644 * doc/cpp.texi (Character sets): Document that we do support
7645 input files to be in any character set.
7647 2006-02-23 Jeff Law <law@redhat.com>
7649 * tree.h (PHI_ARG_NONZERO): Remove.
7650 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7651 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7652 node to the new node.
7654 PR tree-optimization/26425
7655 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7656 min/max, then assume its varying.
7658 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7660 PR rtl-optimization/26316
7661 * rtlanal.c (enum may_trap_p_flags): New.
7662 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7663 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7664 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7665 (may_trap_after_code_motion_p): New function.
7666 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7667 (find_invariant_insn): Use may_trap_after_code_motion_p.
7668 * rtl.h (may_trap_after_code_motion_p): Declare.
7670 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7672 * emit-rtl.c (immed_double_const): Cleanup.
7674 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7676 Fix PR tree-optimization/26376
7677 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7680 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7683 * gimplify.c (omp_add_variable): Guard variable size decl test with
7684 DECL_SIZE (decl) check.
7686 2006-02-23 Richard Guenther <rguenther@suse.de>
7689 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7690 like aggregate types.
7692 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7694 * configure.ac: Add --with{,out}-long-double-128 configure option.
7695 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7696 * configure: Rebuilt.
7697 * config.in: Rebuilt.
7698 * doc/install.texi (Options specification): Document
7699 --with-long-double-128.
7701 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7702 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7703 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7704 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7706 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7708 * config/s390/s390.c (override_options): Handle
7709 TARGET_DEFAULT_LONG_DOUBLE_128.
7711 * config/alpha/alpha.c (override_options): Handle
7712 TARGET_DEFAULT_LONG_DOUBLE_128.
7714 * config/sparc/sparc.c (sparc_override_options): Handle
7715 TARGET_DEFAULT_LONG_DOUBLE_128.
7717 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7719 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7720 (real-install-headers-tar, real-install-headers-cpio)
7721 (real-install-headers-cp): New targets.
7723 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7725 * tree.h (variable_section): Delete.
7726 * varasm.c (variable_section): Delete.
7728 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7730 * install.texi: Add notes on install.texi2html.
7731 (Building in parallel): Do not use footnotes.
7733 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7736 * doc/install.texi (Configuration): Document --disable-libgomp.
7738 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7740 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7742 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7744 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7745 (vec_extractv2df_0_sse): New.
7747 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7749 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7750 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7751 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7752 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7753 to the result of the expression.
7754 (def_cfa_1): Adjust.
7755 (frame_pointer_cfa_offset): Rename to...
7756 (frame_pointer_fb_offset): ... this. Adjust all uses.
7757 (convert_cfa_to_loc_list): Rename to...
7758 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7759 Pass it on to build_cfa_loc.
7760 (compute_frame_pointer_to_cfa_displacement): Rename to...
7761 (compute_frame_pointer_to_fb_displacement): ... this. New
7762 offset parameter. Use it in computation.
7763 (gen_subprogram_die): Compute cfa_fb_offset with the new
7764 macro, and use it to compute the fb loc list and the
7767 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7769 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7770 replaced with register_operand.
7771 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7772 non-DREG is expensive.
7773 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7774 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7777 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7779 * doc/install.texi2html: Use set -e.
7781 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7783 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7784 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7785 * doc/invoke.texi (-fshared-data): Delete.
7786 * common.opt (fshared-data): Delete.
7787 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7788 (assemble_static_space): Remove #if 0 code.
7789 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7790 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7791 * config/cris/cris.h: Remove FIXME.
7793 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7795 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7798 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7801 * combine.c (simplify_shift_const_1): Disable nested shifts
7802 optimization for vector shifts.
7804 2006-02-20 Roger Sayle <roger@eyesopen.com>
7806 PR tree-optimization/26361
7807 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7808 of unsigned integer types.
7810 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7812 * tree-chrec.c (eq_evolutions_p): New.
7813 * tree-chrec.h (eq_evolutions_p): Declared.
7814 * tree-data-ref.c: Fix formatting.
7815 (datadep_stats, dependence_stats): New.
7817 (print_direction_vector): New.
7818 (dump_data_dependence_relation): Use print_direction_vector.
7819 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7820 (compute_subscript_distance): Static.
7821 (initialize_data_dependence_relation): Static. Get the number
7822 of loops surrounding the references from the callers, and initialize
7823 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7824 base_object_differ_p analyzers.
7825 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7826 compute_overlap_steps_for_affine_1_2,
7827 analyze_subscript_affine_affine): Count the classified dependences.
7828 Print a message when a test failed.
7829 (can_use_analyze_subscript_affine_affine): New.
7830 (analyze_siv_subscript): Compute the data dependences on symbolic
7831 scevs that verify can_use_analyze_subscript_affine_affine.
7832 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7833 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7834 Handle symbolic scevs.
7835 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7837 (subscript_dependence_tester): Moved...
7838 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7839 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7840 DDR_SIZE_VECT instead of getting it in parameter.
7841 (subscript_dependence_tester): ... here. Take as a parameter
7842 loop_nest_depth. Call build_classic_dist_vector and
7843 build_classic_dir_vector.
7844 (compute_affine_dependence): Update subscript_dependence_tester
7845 parameters. Update datadep_stats counters. Call
7846 compute_subscript_distance.
7847 (compute_self_dependence): Save the dist and dir vectors. Call
7848 compute_subscript_distance.
7849 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7850 (compute_all_dependences): Reorder parameters as they were before
7851 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7852 compute_subscript_distance. Update the use of
7853 compute_affine_dependence and initialize_data_dependence_relation.
7854 (find_data_references_in_loop): Handle COMPONENT_REF.
7855 (compute_data_dependences_for_loop): Initialize dependence_stats.
7856 Don't call build_classic_dist_vector and build_classic_dir_vector.
7857 Update the parameters of initialize_data_dependence_relation and
7858 compute_all_dependences. Print the statistics from datadep_stats.
7859 (analyze_all_data_dependences): Static. Not used until the pass for
7860 checking the data dependences is contributed.
7861 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7862 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7863 (initialize_data_dependence_relation, compute_affine_dependence,
7864 analyze_all_data_dependences, compute_subscript_distance): Removed.
7865 (print_direction_vector): New.
7866 * lambda.h (gcd): ... here.
7867 (lambda_vector_gcd): Moved here from gcd_vector.
7868 * lambda-code.c (gcd, gcd_vector): Removed.
7869 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7870 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7872 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7874 * ipa-type-escape.c: Tidy some comments and white space.
7875 * tree-ssa-operands.c: Likewise.
7877 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7880 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7881 (dump_decl_name): Do not walk the decl tree chains.
7882 * tree-pass.h (TDF_CHAIN): Remove.
7884 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7886 * Makefile.in (C): Remove
7888 (.PHONY): Remove C and PROTO
7890 2006-02-20 Roger Sayle <roger@eyesopen.com>
7893 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7894 deprecated CHAR_TYPE tree code.
7896 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7898 * configure.ac (target_list): Add install-info, dvi, html.
7899 * configure: Regenerate.
7901 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7902 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7903 treelang/Make-lang.in: Do not use double-colon rules.
7905 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7907 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7908 (TMT_USED_ALONE): New macro.
7909 * tree-pass.h (PROP_tmt_usage): New property.
7910 (TODO_update_tmt_usage): New todo.
7911 * tree-ssa-alias.c (updating_used_alone): New variable.
7912 (recalculate_used_alone): New function.
7913 (compute_may_aliases): Set updating_used_alone, call
7914 recalculate_used_alone.
7915 * tree-sra.c (pass_sra): Note that this pass destroys
7916 PROP_tmt_usage, and add TODO_update_tmt_usage.
7917 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7918 * tree-flow.h (updating_used_alone): Prototype.
7919 (recalculate_used_alone): Ditto.
7920 * passes.c (execute_todo): Add code to set updating_used_alone,
7921 and call recalculate.
7922 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7923 for clobber if used alone, and add assert to verify used_alone
7926 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7928 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7929 for non tls symbols added.
7930 (legitimize_address): Do nothing for PLUS expressions if one of the
7931 addends is a tls symbol reference.
7933 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7937 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7939 * Makefile.in (BOOTSTRAPPING): New.
7940 (quickstrap): New definition if BOOTSTRAPPING=yes.
7942 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7943 * configure.ac: Substitute all_selected_languages with the languages
7944 that were configured. For all the other variables except
7945 lang_specs_files, include all the languages in the tree.
7946 * configure: Regenerate.
7948 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7949 if there is one. Run the commands to run fixincludes in the same
7952 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7953 * doc/install.texi: Document exact conventions for searching target tools.
7954 Document --with-build-time-tools. Document toplevel bootstrap. Document
7955 something more about building an Ada cross-compiler. Don't list GNU Make
7956 requirements which affect all platforms.
7958 2006-02-19 Roger Sayle <roger@eyesopen.com>
7961 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7962 only equivalent if the have both the same mode and precision.
7964 2006-02-20 Ben Elliston <bje@au.ibm.com>
7966 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7968 2006-02-19 Roger Sayle <roger@eyesopen.com>
7969 Steven Bosscher <stevenb.gcc@gmail.com>
7971 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7972 constant pool references to identify stack mode constants.
7973 * rtlanal.c (constant_pool_constant_p): New predicate to check
7974 whether operand is a floating point constant in the pool.
7975 * rtl.h (constant_pool_constant_p): Prototype here.
7976 * loop.c (scan_loop): Avoid hoisting constants from the constant
7977 pool on STACK_REGS targets.
7978 (load_mems): Likewise.
7979 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7980 loads into x87 registers expensive in terms of register pressure.
7982 2006-02-19 Roger Sayle <roger@eyesopen.com>
7984 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7985 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7987 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7989 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7990 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7992 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7994 * doc/invoke.texi: Document -fipa-pta.
7995 * common.opt: Add ipa-pta option.
7996 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7997 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7998 (do_ds_constraint): Ditto.
7999 (get_constraint_for): Only add to referenced_vars if
8000 referenced_vars exists.
8001 (insert_into_field_list): Rewrite to do this unsorted.
8002 (insert_into_field_list_sorted): Rename old insert_into_field_list
8004 (create_function_info_for): Use insert_into_field_list_sorted.
8005 (create_variable_info_for): Rewrite so it uses unsorted version,
8006 since the field list is sorted.
8007 (intra_create_variable_infos): Only add to referenced_vars if
8008 referenced_vars exists.
8009 (ipa_pta_execute): Init heapvars, and delete when done.
8010 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8012 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8014 * doc/install.texi: Add missing `@samp'.
8016 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8018 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8021 2006-02-18 Mark Wielaard <mark@klomp.org>
8023 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8024 who added new 4.1 features, bug fixes and integration support.
8026 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8029 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8032 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8034 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8035 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8036 (copy_insn_1): Likewise. Don't copy each field individually.
8038 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8040 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8041 * rtl.c (rtx_size): Rename variable to...
8042 (rtx_code_size): ...this.
8043 (rtx_size): New function.
8044 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8045 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8047 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8048 * rtl.h (rtx_code_size): New variable.
8049 (rtx_size): Change from a variable to a function.
8050 (RTX_SIZE): Rename to...
8051 (RTX_CODE_SIZE): ...this.
8054 PR tree-optimization/17106
8055 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8056 (Anchored Addresses): New section.
8057 * doc/invoke.texi (-fsection-anchors): Document.
8058 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8059 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8060 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8061 * hooks.c (hook_bool_mode_rtx_false): New function.
8062 * hooks.h (hook_bool_mode_rtx_false): Declare.
8063 * gengtype.c (create_optional_field): New function.
8064 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8065 SYMBOL_REF_IN_BLOCK_P is true.
8066 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8067 (min_anchor_offset, max_anchor_offset): Likewise.
8068 (use_anchors_for_symbol_p): New hook.
8069 * toplev.c (compile_file): Call output_object_blocks.
8070 (target_supports_section_anchors_p): New function.
8071 (process_options): Check that -fsection-anchors is only used on
8072 targets that support it and when -funit-at-a-time is in effect.
8073 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8074 if the decl doesn't have one.
8075 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8076 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8077 of force_const_mem through use_anchored_address.
8078 (expand_expr_constant): New function.
8079 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8080 calling expand_expr for INDIRECT_REF.
8081 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8082 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8083 * expr.h (use_anchored_address): Declare.
8084 * loop-unroll.c: Don't declare rtx vectors here.
8085 * explow.c: Include output.h.
8086 (validize_mem): Call use_anchored_address.
8087 (use_anchored_address): New function.
8088 * common.opt (-fsection-anchors): New switch.
8089 * varasm.c (object_block_htab, anchor_labelno): New variables.
8090 (hash_section, object_block_entry_eq, object_block_entry_hash)
8091 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8092 (use_blocks_for_decl_p, change_symbol_section): New functions.
8093 (get_variable_section): New function, split out from assemble_variable.
8094 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8095 use_blocks_for_decl_p say so. Use change_symbol_section if the
8096 symbol has already been created.
8097 (assemble_variable_contents): New function, split out from...
8098 (assemble_variable): ...here. Don't output any code for
8099 block symbols; just pass them to place_block_symbol.
8100 Use get_variable_section and assemble_variable_contents.
8101 (get_constant_alignment, get_constant_section, get_constant_size): New
8102 functions, split from output_constant_def_contents.
8103 (build_constant_desc): Create a block symbol if use_object_blocks_p
8104 says so. Or into SYMBOL_REF_FLAGS.
8105 (assemble_constant_contents): New function, split from...
8106 (output_constant_def_contents): ...here. Don't output any code
8107 for block symbols; just pass them to place_section_symbol.
8108 Use get_constant_section and get_constant_alignment.
8109 (force_const_mem): Create a block symbol if use_object_blocks_p and
8110 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8111 (output_constant_pool_1): Add an explicit alignment argument.
8112 Don't switch sections here.
8113 (output_constant_pool): Adjust call to output_constant_pool_1.
8114 Switch sections here instead. Don't output anything for block symbols;
8115 just pass them to place_block_symbol.
8116 (init_varasm_once): Initialize object_block_htab.
8117 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8118 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8119 (place_block_symbol, get_section_anchor, output_object_block)
8120 (output_object_block_htab, output_object_blocks): New functions.
8121 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8122 (TARGET_ASM_OUT): Include it.
8123 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8124 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8125 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8126 (TARGET_INITIALIZER): Include them.
8127 * rtl.c (rtl_check_failed_block_symbol): New function.
8128 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8129 (block_symbol, object_block): New structures.
8130 (rtx_def): Add a block_symbol field to the union.
8131 (BLOCK_SYMBOL_CHECK): New macro.
8132 (rtl_check_failed_block_symbol): Declare.
8133 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8134 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8135 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8136 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8137 * output.h (output_section_symbols): Declare.
8138 (object_block): Name structure.
8139 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8140 (default_use_anchors_for_symbol_p): Declare.
8141 * Makefile.in (RTL_BASE_H): Add vec.h.
8142 (explow.o): Depend on output.h.
8143 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8144 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8145 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8146 (rs6000_use_blocks_for_constant_p): New function.
8148 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8150 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8152 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8155 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8158 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8160 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8164 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8167 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8168 instead of DECL_REGISTER.
8170 2006-02-18 Olivier Hainque <hainque@adacore.com>
8173 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8175 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8178 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8179 * opth-gen.awk: Handle Var and InverseMask together.
8180 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8181 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8182 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8183 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8185 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8186 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8187 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8188 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8189 LINUX_DYNAMIC_LINKER): Define.
8190 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8191 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8193 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8194 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8195 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8197 (TARGET_C99_FUNCTIONS): Don't define.
8198 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8199 GLIBC_DYNAMIC_LINKER.
8200 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8201 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8202 GLIBC_DYNAMIC_LINKER64): Define.
8203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8204 LINUX_DYNAMIC_LINKER64.
8205 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8206 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8207 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8209 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8211 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8212 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8213 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8215 and LINUX_DYNAMIC_LINKER32.
8216 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8218 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8220 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8222 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8223 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8224 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8225 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8226 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8227 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8228 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8229 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8230 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8231 LINUX_DYNAMIC_LINKER): Define.
8232 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8233 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8234 GLIBC_DYNAMIC_LINKER64): Define.
8235 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8236 LINUX_DYNAMIC_LINKER64.
8237 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8238 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8239 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8240 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8241 LINUX_DYNAMIC_LINKER): Define.
8242 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8243 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8244 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8245 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8246 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8247 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8248 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8249 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8250 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8251 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8252 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8253 * doc/invoke.texi (-muclibc): Remove caveat about supported
8256 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8258 * doc/cpp.texi (__TIMESTAMP__): Document.
8260 2006-02-17 Roger Sayle <roger@eyesopen.com>
8263 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8264 C is one less than the width of X (and related transformations).
8265 * simplify-rtx.c (simplify_unary_operation_1): Transform
8266 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8267 depending on STORE_FLAG_VALUE, were C is one less then the
8270 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8272 Fix PR tree-optimization/26341
8273 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8274 about NAME_MEMORY_TAG's.
8276 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8279 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8280 with hardware float support, and software float support. Add fcpy
8281 alternative to hardware patterns. Add alternatives to copy between
8282 general and floating-point registers to the 32-bit pattern.
8283 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8284 secondary reload to load a QI or HI mode constant into a floating
8286 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8287 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8289 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8292 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8294 (load_macho_picbase_di): Likewise.
8296 2006-02-16 Jeff Law <law@redhat.com>
8298 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8299 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8300 (ssa_name_nonzero_p): Likewise.
8301 (get_value_range): Return NULL if VRP is not running.
8302 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8303 VRP routines do not discover a range.
8304 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8305 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8306 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8307 (tree_expr_nonnegative_p): Similarly.
8308 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8309 (restore_nonzero_vars_to_original_value): Remove.
8310 (unsafe_associative_fp_binop): Remove.
8311 (tree_ssa_dominator_optimize): Remove initialization and
8312 finalization of nonzero_vars and nonzero_vars_stack.
8313 (dom_opt_initialize_block): No longer push marker on
8315 (dom_opt_finalize_block): No longer call
8316 restore_nonzero_vars_to_original_value.
8317 (record_equivalences_from_phis): No longer look for
8318 nonzero PHI arguments.
8319 (cprop_into_successor_phis): No longer propagate nonzero
8320 property into PHI arguments. Lose unused argument. Caller
8322 (record_equivalences_from_stmt): No longer record nonzero
8323 values for SSA_NAMEs.
8324 (lookup_avail_expr): No longer use nonzero_vars.
8326 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8327 for sizetype when sizetype is unsigned.
8329 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8331 PR rtl-optimization/25603
8332 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8333 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8334 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8335 with new meaning of SETS.
8337 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8342 * config/linux.opt: New file.
8343 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8344 LINUX_DYNAMIC_LINKER): Define.
8345 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8346 * config.gcc (*-*-linux*): Define extra_options.
8347 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8348 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8349 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8350 GLIBC_DYNAMIC_LINKER.
8351 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8352 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8353 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8355 * doc/invoke.texi (GNU/Linux Options): New section.
8357 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8359 * config/sparc/sparc.md (setjmp): Rewrite.
8360 (setjmp_32): Delete.
8361 (setjmp_64): Likewise.
8363 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8365 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8368 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8370 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8373 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8375 PR rtl-optimization/26296
8376 * Makefile.in (loop-invariant.c): Add except.h dependency.
8377 * loop-invariant.c: Include except.h.
8378 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8380 2005-02-16 Paul Brook <paul@codesourcery.com>
8382 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8385 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8387 PR rtl-optimization/25636
8388 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8389 when deciding whether an insn is an initializing insn.
8391 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8393 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8394 (tree_code_size): Ditto.
8395 * tree.h (struct tree_memory_tag): Remove parent_var.
8396 (struct tree_struct_field_tag): New.
8399 (union tree_node): Add sft member.
8400 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8402 (create_sft): Add size and offset argument, set SFT_OFFSET and
8404 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8405 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8406 * tree-flow-inline.h (get_subvar_at): Update for
8407 SFT_OFFSET/SFT_SIZE.
8408 (var_can_have_subvars): Ditto.
8409 (overlap_subvar): Ditto.
8410 * print-tree.c (print_node): Print out interesting things for
8412 * tree-flow.h (struct subvar): Remove offset and size members.
8413 * tree-ssa-operands.c (get_expr_operands): Update for
8414 get_indirect_ref_operands changes.
8415 (get_indirect_ref_operands): Call add_virtual_operand instead of
8416 add_stmt_operand. Only recurse on base var if requested.
8417 (access_can_touch_variable): New function.
8418 (add_stmt_operand): Split virtual operand handling into ...
8419 (add_virtual_operand): Here. Add offset, size, and for_clobber
8420 arguments. Prune alias sets.
8421 (add_call_clobber_ops): Call add_virtual_operand.
8423 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8426 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8428 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8429 than TREE_CODE as index into omp_clause_num_ops array.
8431 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8433 PR rtl-optimization/26184
8434 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8436 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8437 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8438 must_precede, must_follow and tobe_scheduled.
8441 * opts.c (common_handle_option): Free new_option pointer.
8442 * df-core.c (df_analyze): Free postorder pointer.
8444 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8446 * Makefile.in: Fix the examples about the use of stamps
8448 2006-02-15 Michael Matz <matz@suse.de>
8452 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8453 influenced by maximum_field_alignment or DECL_PACKED.
8454 (update_alignment_for_field): Ditto.
8455 (place_field): Ditto.
8456 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8459 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8461 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8462 (debug_flow_info): Pass it.
8463 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8464 * bb-reorder.c (reorder_basic_blocks): Likewise.
8465 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8466 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8467 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8468 * gcse.c (gcse_main, bypass_jumps): Likewise.
8469 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8470 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8471 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8472 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8473 * rtl.h (dump_flow_info): Adjust prototype.
8474 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8475 * var-tracking.c (variable_tracking_main): Likewise.
8476 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8477 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8480 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8482 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8485 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR tree-optimization/26209
8488 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8489 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8491 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8493 2006-02-14 Roger Sayle <roger@eyesopen.com>
8496 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8497 (X,Y) and the corresponding symmetry related transformations.
8498 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8499 (X,Y) and its symmetry related transformations.
8501 2006-02-14 Roger Sayle <roger@eyesopen.com>
8503 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8506 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8508 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8510 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8513 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8514 support COMDAT group.
8515 * configure: Regenerate.
8517 2006-02-14 Roger Sayle <roger@eyesopen.com>
8522 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8524 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8526 Fix PR tree-optimization/26260
8528 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8530 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8531 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8532 * tree-ssa-structalias.c (create_variable_info_for): Use
8533 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8535 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8537 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8539 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8540 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8541 of the ending condition.
8542 * tree-ssa-loop-manip.c: Include params.h.
8543 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8544 tree_unroll_loop): New functions.
8545 * tree-pass.h (pass_loop_prefetch): Declare.
8546 * loop.c (rest_of_handle_loop_optimize): Test for
8547 -fprefetch-loop-arrays-rtl.
8548 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8549 * timevar.def (TV_TREE_PREFETCH): New timevar.
8550 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8551 pass_loop_prefetch): New.
8552 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8553 (cleanup_tree_cfg_loop): Call scev_reset.
8554 * common.opt (fprefetch-loop-arrays-rtl): Add.
8555 * tree-ssa-loop-prefetch.c: New file.
8556 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8557 (new_temp_expr_table): Initialize expr_vars.
8558 (free_temp_expr_table): Cleanup expr_vars.
8559 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8560 expressions from being merged into one.
8561 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8562 (struct tree_niter_desc): Add control, bound and cmp fields.
8563 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8565 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8566 (tree-cfgcleanup.o): Add SCEV_H dependency.
8567 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8568 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8570 2006-02-14 Richard Guenther <rguenther@suse.de>
8572 PR tree-optimization/26258
8573 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8574 in PHI argument processing.
8576 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8578 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8579 new expression in the requested machine mode.
8581 2006-02-13 Roger Sayle <roger@eyesopen.com>
8583 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8584 directly, instead let do_compare_rtx_and_jump handle this for us.
8585 * expr.c (expand_expr_real_1): Likewise.
8586 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8587 before do_jump_by_parts_greater.
8588 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8589 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8591 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8593 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8595 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8597 PR rtl-optimization/26235
8598 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8599 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8602 2006-02-13 Jeff Law <law@redhat.com>
8604 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8607 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8610 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8611 twice if decl is a builtin. When trying again, call get_callee_fndecl
8612 first to verify it is still a builtin.
8614 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8616 * dwarf2out.c (base_type_die): Don't add AT_name here.
8617 (subrange_type_die): Don't add AT_name here.
8618 (modified_type_die): Rearrange code flow. Do add AT_name here.
8620 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8622 PR rtl-optimization/26247
8623 PR rtl-optimization/26248
8624 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8626 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8628 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8629 * config/fixtfdi.c: Likewise.
8630 * config/fixunstfdi.c: Likewise.
8631 * config/floatditf.c: Likewise.
8633 2006-02-13 Roger Sayle <roger@eyesopen.com>
8636 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8637 into (X,C2) if C1 is a subset of the bits of C2. Transform
8638 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8640 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8642 2006-02-13 Josh Conner <jconner@apple.com>
8645 * varasm.c (function_section): Check for section name before
8646 calling select_section on targets that define
8647 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8648 unlikely_text_section instead of hot_function_section if
8649 first_function_block_is_cold.
8651 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8654 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8656 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8658 PR rtl-optimization/26222
8659 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8660 after tree->rtl expansion.
8661 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8662 before passing it to emit_move_insn.
8664 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8666 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8668 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8669 Clarify documentation.
8670 * c-common.h (warn_write_strings): Remove.
8671 * c-common.c (warn_write_strings): Likewise.
8672 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8675 2006-02-12 Roger Sayle <roger@eyesopen.com>
8678 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8679 (do_jump_parts_zero_rtx): New function renamed from
8680 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8681 (do_jump_parts_equality_rtx): New function split out from
8682 do_jump_parts_equality. Old implementation renamed as above.
8683 Call do_jump_parts_zero_rtx if either operand is zero.
8684 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8685 do all of the heavy lifting.
8686 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8687 calling either do_jump_by_parts_greater_rtx or
8688 do_jump_by_parts_equality_rtx.
8689 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8690 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8691 moved to do_compare_rtx_and_jump, call it directly.
8692 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8693 mode argument. Call do_compare_rtx_and_jump.
8694 (emit_case_nodes): Update calls to do_jump_if_equal.
8696 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8698 PR rtl-optimization/26225
8699 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8701 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8703 PR rtl-optimization/26232
8704 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8706 2006-02-11 Jason Merrill <jason@redhat.com>
8709 * tree-inline.c (declare_return_variable): Just don't use the
8710 modify target if it's a gimple complex reg and the return slot
8713 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8715 * doc/contrib.texi: Update my entry.
8717 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8719 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8721 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8723 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8726 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8728 * doc/invoke.texi (-floop-optimize2): Removed.
8729 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8730 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8731 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8732 * common.opt (floop-optimize2): Removed.
8733 (fmove-loop-invariants): Enabled by default.
8735 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8737 * tree-if-conv.c (combine_blocks): Free the result of
8738 get_loop_exit_edges.
8740 2006-02-10 Jeff Law <law@redhat.com>
8742 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8744 PR tree-optimization/26213
8745 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8746 loop trying to follow SSA_NAME_VALUE chains.
8748 2006-02-10 Richard Guenther <rguenther@suse.de>
8750 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8751 deal with structures that end in implicitly variable sized arrays.
8753 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8755 PR rtl-optimization/24762
8756 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8759 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8761 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8762 (struct ivopts_data): Add regs_used field.
8763 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8764 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8765 instead of loop_data->regs_used;
8766 (free_loop_data): Do not free aux fields for loops.
8767 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8768 and tree_ssa_iv_optimize_finalize.
8770 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8772 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8774 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8777 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8778 computing the effective result type.
8780 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8783 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8784 (tree_overlaps_hard_reg_set): Declare.
8785 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8786 type and signature to match function type expected by walk_tree.
8787 (tree_overlaps_hard_reg_set): New function.
8788 (decl_conflicts_with_clobbers_p): Rename to:
8789 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8790 Use tree_overlaps_hard_reg_set. Changed caller.
8791 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8792 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8793 * cris.c (cris_md_asm_clobbers): Likewise.
8795 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8797 * reload1.c (emit_input_reload_insns): Delete code that tries to
8798 inherit using find_equiv_reg.
8800 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8802 * c-common.h (flag_const_strings): Don't declare.
8803 * c-common.c (flag_const_strings): Remove.
8804 * c.opt (fconst_strings): Remove.
8805 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8806 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8807 (c_common_init_options): Don't set flag_const_strings.
8808 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8810 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8812 * arm.md (tlobits_cbranch): New pattern.
8813 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8814 testing a single bit.
8816 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8819 * tree-ssa-pre.c (create_component_ref_by_pieces):
8820 Handle RETURN_DECL like VAR_DECL.
8822 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8825 * fold-const.c (fold_indirect_ref_1): Fold
8826 "*(foo *)&complexfoo" to "__real__ complexfoo"
8827 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8829 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8831 * tree-flow-inline.h (var_can_have_subvars):
8832 Volatile variables should not have subvariables.
8834 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8837 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8838 multiplying unsigned values.
8841 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8843 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8845 2006-02-08 Jason Merrill <jason@redhat.com>
8848 * tree.def: Elaborate on difference from MODIFY_EXPR.
8849 * doc/c-tree.texi (INIT_EXPR): Likewise.
8850 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8851 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8852 (gimplify_target_expr): Likewise.
8853 (gimplify_cond_expr): Remove target handling.
8854 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8855 (gimplify_expr): Clobber it here.
8856 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8857 Do return slot optimization if we have an INIT_EXPR.
8860 * tree-inline.c (declare_return_variable): Also clear
8861 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8864 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8867 * gimplify.c (gimplify_one_sizepos): Fix typo.
8869 2006-02-08 Jeff Law <law@redhat.com>
8871 PR tree-optimization/21417
8872 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8873 across a backedge if the control statement at the end of the
8874 block is data dependent on other statements in the same block.
8875 (record_temporary_equivalences_from_stmts): Remove over-conservative
8876 test for threading across backedges.
8878 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8879 control statement, handle all three special cases in the same
8880 manner as they all have the same desired solution. No longer
8881 special case edge flag updating when the post dominator is
8884 2006-02-08 Roger Sayle <roger@eyesopen.com>
8886 * tree.def (CHAR_TYPE): Remove.
8887 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8888 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8889 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8890 (gen_string_type_die): Delete unreachable function.
8892 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8893 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8894 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8895 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8896 * builtins.c (type_to_class): Likewise.
8897 * fold-const.c (fold_convert, build_range_check,
8898 merge_ranges): Likewise.
8899 * expr.c (count_type_elements): Likewise.
8900 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8901 * stor-layout.c (layout_type): Likewise.
8902 * ipa-type-escape.c (type_to_consider): Likewise.
8903 * gimplify.c (omp_firstprivatize_type_sizes,
8904 gimplify_type_sizes): Likewise.
8905 * explow.c (promote_mode): Likewise.
8906 * tree-sra.c (is_sra_scalar_type): Likewise.
8907 * varasm.c (output_constant): Likewise.
8908 * tree-inline.c (remap_type_1): Likewise.
8909 * convert.c (convert_to_pointer, convert_to_real,
8910 convert_to_integer, convert_to_complex): Likewise.
8912 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8914 * df-scan.c (df_def_record_1): A set destination may
8915 be a parallel regardless of mode.
8917 2006-02-08 Roger Sayle <roger@eyesopen.com>
8920 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8921 * config/mips/_tilib.c: Remove.
8922 * config/fixtfdi.c: New libgcc source file.
8923 * config/fixunstfdi.c: New source file.
8924 * config/floatditf.c: New source file.
8925 * config/floatunditf.c: New souce file.
8926 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8927 files above instead of config/mips/_tilib.c.
8928 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8930 2006-02-08 Jeff Law <law@redhat.com>
8932 PR tree-optimization/26169
8933 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8936 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8938 * df.h (DF_REG_SIZE): Return the length of the initialized
8941 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8943 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8944 __muldf3): Return a correctly signed zero.
8946 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8948 * passes.c (register_one_dump_file): Accept the current properties
8949 instead of pass number. Adjust call to dump_register. Remove
8951 (register_dump_files): Now a wrapper around...
8952 (register_dump_files_1): ... this one. Do not modify the pass
8954 (next_pass_1): Cosmetic fix.
8955 (execute_todo): Keep second parameter only. Use curr_properties
8956 instead of fetching it from the pass structure. Check and set
8958 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8959 instead of fetching it from the pass structure. Fix calls to
8960 execute_todo. Update curr_properties and initialize .vcg RTL dump
8961 after running the pass. Reset last_verified.
8962 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8964 (FIRST_AUTO_NUMBERED_DUMP): New.
8965 (dump_register): Remove "num" parameter, assign it within the
8967 (get_dump_file_name): Modify template for dumps.
8968 * tree-dump.h (dump_register): Adjust prototype.
8969 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8970 (PROP_trees): Add PROP_gimple_lomp.
8971 (TODO_set_props): New.
8972 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8973 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8974 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8976 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8978 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8979 (sparc64-*-linux*): Likewise.
8980 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8981 * config/sparc/t-linux: New file.
8982 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8983 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8984 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8985 -m32 -mlong-double-128.
8987 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8988 * config/alpha/t-linux: New file.
8989 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8991 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8992 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8993 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8994 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8995 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8996 (CPP_ARCH32_SPEC): Remove.
8998 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9000 PR tree-optimization/26145
9001 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9004 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9007 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9008 >= 240000 when generating code for SOM runtime.
9009 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9010 to $$dyncall when generating code for SOM runtime..
9012 2006-02-07 Dirk Mueller <dmueller@suse.com>
9015 * doc/invoke.texi (-Wsequence-point): Update documentation
9016 that -Wsequence-point is implemented for C++ as well.
9018 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9020 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9021 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9022 (LIB_SPEC): Likewise.
9023 * doc/invoke.texi (SPARC options): Document -pthread.
9025 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9027 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9030 2006-02-07 Roger Sayle <roger@eyesopen.com>
9032 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9033 Correct comment describing BOOLEAN_TYPE.
9035 2006-02-07 Dirk Mueller <dmueller@suse.com>
9037 * c.opt: C++ frontend supports -Wdiv-by-zero.
9038 * c-opts.c (c_common_handle_option): Remove dead case.
9040 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9042 * configure.ac (TLS assembler check): Do not enable TLS by
9043 default on SPARC/Solaris before version 10.
9044 * configure: Regenerate.
9046 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9048 * doc/invoke.texi (xl-compat): Document conversion and support
9051 2006-02-07 Jeff Law <law@redhat.com>
9053 * tree-vrp.c (find_conditional_asserts): Update comments.
9054 (simplify_stmt_for_jump_threading): New.
9055 (identify_jump_threads, finalize_jump_threads): New.
9056 (vrp_finalize): Call identify_jump_threads.
9057 (execute_vrp): Call finalize_jump_threads.
9058 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9059 (vrp_element, vrp_data, vrp_element_p): Remove.
9060 (vrp_hash_elt, vrp_variables_stack): Remove.
9061 (vrp_hash, vrp_eq, record_range): Remove.
9062 (simplify_cond_and_lookup_avail_expr): Remove.
9063 (extract_range_from_cond): Remove.
9064 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9065 (simplify_stmt_for_jump_threading): New.
9066 (dom_thread_across_edge): New wrapper.
9067 (tree_ssa_dominator_optimize): No longer initialize or
9068 finalize any of the VRP datastructures. Remove iteration
9069 step and simplify as a result of removal of iteration step.
9070 (pass_dominator): Perform a cfg cleanup after DOM.
9071 (dom_opt_finalize_block): Use the new common routines
9072 for threading jumps. Simplify stack management slightly.
9073 No longer need to unwind VRP state.
9074 (record_equivalences_from_incoming_edge): No longer record
9076 (eliminate_redundant_computations): No longer call
9077 simplify_cond_and_lookup_avail_expr.
9078 * tree-flow.h (potentially_threadable_block): Prototype.
9079 (thread_across_edge): Likewise.
9080 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9081 (tree-ssa-threadedge.o): Add dependencies.
9082 * tree-ssa-threadedge.c: New file.
9083 * passes.c (init_optimization_passes): Merge PHIs before
9084 calling VRP. Run VRP again late in the SSA optimization pipeline.
9086 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9088 * df-core.c (df_set_blocks): Do not dereference function pointers.
9089 (df_finish1): Likewise.
9090 (df_hybrid_search_forward): Likewise.
9091 (df_hybrid_search_backward): Likewise.
9092 (df_iterative_dataflow): Likewise.
9093 (df_analyze_problem): Likewise.
9094 (df_compact_blocks): Likewise.
9095 (df_dump): Likewise.
9096 * df-scan.c (df_rescan_blocks): Likewise.
9097 (df_record_entry_block_defs): Likewise.
9099 * genconditions.c (write_conditions): Guard the definition of
9100 'insn_conditions' with the check on GCC version.
9101 (write_writer): Guard the traversal 'insn_conditions' with
9102 the check on GCC version.
9104 2006-02-07 Richard Guenther <rguenther@suse.de>
9108 2006-01-30 Richard Guenther <rguenther@suse.de>
9110 * gimplify.c (gimplify_target_expr): Handle easy cases
9111 without creating a temporary.
9113 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9115 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9116 use of float in probability computations. Use edge probabilities
9117 in place of statically computed probabilities.
9118 (min_spec_prob): New static variable.
9119 (schedule_insns): Initialize it.
9120 (GET_SRC_PROB): Removed.
9121 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9123 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9126 * config/ia64/unwind-ia64.c: Revert last change.
9127 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9128 (INCOMING_FRAME_SP_OFFSET): Define.
9130 2006-02-06 Roger Sayle <roger@eyesopen.com>
9132 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9134 2006-02-07 Ben Elliston <bje@au.ibm.com>
9136 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9137 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9138 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9139 (ix86_return_in_memory): Handle TDmode.
9140 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9141 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9143 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9145 * reorg.c (dbr_schedule): Use dump_file instead of file.
9147 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9150 * config/ia64/predicates.md (extr_len_operand): New predicate.
9151 * config/ia64/ia64.md (extv): Tighten constraints.
9153 (*tbit_and_2): Ditto.
9154 (*tbit_and_3): Ditto.
9155 (*tbit_or_2): Ditto.
9156 (*tbit_or_3): Ditto.
9160 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9163 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9165 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9167 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9168 loop_optimizer_init and loop_optimizer_finalize
9169 * tree-ssa-sink.c (execute_sink_code): Ditto.
9170 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9171 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9172 tree_ssa_loop_done): Ditto.
9173 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9174 * sched-ebb.c: Include output.h.
9175 (schedule_ebbs): Do not use dump argument.
9176 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9177 * loop.c (loop_dump_stream): Removed.
9178 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9180 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9181 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9182 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9183 loop_iterations, strength_reduce, record_biv, record_giv,
9184 final_giv_value, check_final_value, check_ext_dependent_givs,
9185 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9186 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9187 dump_file instead of loop_dump_stream.
9188 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9190 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9192 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9193 * haifa-sched.c: Include output.h
9194 (schedule_insns, sched_init): Do not use dump argument.
9195 * mode-switching.c (optimize_mode_switching): Ditto.
9196 * modulo-sched.c (stats_file): Removed.
9197 (print_node_sched_params): Do not call argument dump_file.
9198 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9199 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9201 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9203 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9204 rtl_loop_init, rtl_loop_done): Ditto.
9205 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9206 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9208 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9209 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9210 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9211 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9212 * emit-rtl.c (renumber_insns): Ditto.
9213 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9214 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9215 * regclass.c (regclass): Ditto.
9216 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9217 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9218 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9219 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9221 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9222 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9224 * gcse.c (gcse_file, debug_stderr): Removed.
9225 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9226 rest_of_handle_gcse): Do not use dump argument.
9227 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9228 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9229 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9230 compute_code_hoist_vbeinout, compute_code_hoist_data,
9231 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9232 compute_store_table, build_store_vectors, insert_insn_start_bb,
9233 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9234 store_motion): Use dump_file instead of gcse_file.
9235 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9236 * profile.c (profile_dump_file): Removed.
9237 (branch_prob): Use dump_file instead of profile_dump_file.
9238 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9240 * tree-ssa-copy.c (dump_copy_of): Ditto.
9241 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9242 dump file to life_analysis.
9243 * bt-load.c (branch_target_load_optimize): Ditto.
9244 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9246 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9247 regclass, dbr_schedule): Declaration changed.
9248 * sched-int.h (sched_init): Declaration changed.
9249 * tree-profile.c (tree_profile_dump_file): Removed.
9250 (tree_profile_hooks): Removed profile_dump_file hook.
9251 * rtl-profile (rtl_profile_dump_file): Removed.
9252 (rtl_profile_hooks): emoved profile_dump_file hook.
9253 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9255 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9256 * tree-cfg.c (build_tree_cfg): Ditto.
9257 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9258 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9259 Declaration changed.
9260 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9261 life_analysis and schedule_insns.
9262 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9264 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9266 * config/mips/mips.c (mips_reorg): Ditto.
9267 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9270 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9272 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9273 (s390_mangle_fundamental_type): New.
9274 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9277 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9278 (alpha_mangle_fundamental_type): New.
9279 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9282 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9284 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9286 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9287 (sparc_mangle_fundamental_type): New.
9289 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9291 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9292 (s390x-*-linux*): Likewise.
9293 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9294 * config/s390/t-linux: New file.
9296 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9298 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9299 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9301 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9303 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9304 (ANTIC_SAFE_LOADS): New macro.
9305 (find_or_generate_expression): Add prototype.
9306 (set_contains_value): Allow null set for sake of not always having
9307 to allocate ANTIC_SAFE_LOADS.
9308 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9309 Allow COMPONENT_REF too.
9310 (valid_in_set): Allow COMPONENT_REF.
9311 Check ANTIC_SAFE_LOADS too.
9312 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9313 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9315 (can_PRE_operation): Add COMPONENT_REF.
9316 (create_component_ref_by_pieces): New function.
9317 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9318 (insert_aux): Move AGGREGATE_TYPE_P check here.
9319 (compute_avail): Set bb local stmt uids.
9320 (pass_pre): Use TODO_update_ssa_only_virtuals.
9322 2006-02-06 Ben Elliston <bje@au.ibm.com>
9324 * configure.ac: Unconditionally disable decimal float by default.
9325 * configure: Regenerate.
9327 2006-02-06 Ben Elliston <bje@au.ibm.com>
9329 * read-rtl.c (read_name): Terminate reading on EOF.
9331 2006-02-06 Ben Elliston <bje@au.ibm.com>
9333 * dfp.c (decimal_real_arithmetic): Change second argument type
9334 from int to enum tree_code. Do not always return true, but now
9335 return result of any call to decimal_do helper functions.
9336 * dfp.h (decimal_real_arithmetic): Update prototype.
9338 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9340 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9342 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9345 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9348 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9350 * tree-vrp.c (cfg_loops): Removed.
9351 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9352 Use current_loops instead of cfg_loops. Pass flags to
9353 loop_optimizer_init.
9354 * cfgloopmanip.c (fix_loop_structure): Update only available
9356 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9357 loop_optimizer_init.
9358 * modulo-sched.c (build_loops_structure): Removed.
9359 (sms_schedule): Use loop_optimizer_init.
9360 * loop-init.c (loop_optimizer_init): Use flags to determine
9361 which properties of loops to prepare.
9362 (rtl_loop_init): Pass flags to loop_optimizer_init.
9363 * tree-ssa-sink.c (execute_sink_code): Ditto.
9364 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9365 * tree-ssa-pre.c (init_pre): Ditto.
9366 * cfgloop.h (LOOPS_NORMAL): New.
9367 (loop_optimizer_init): Declaration changed.
9369 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9371 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9372 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9374 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9376 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9378 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9379 * pa/t-pa64: Delete quadlib.c rule.
9380 * pa/x-ada: Revert last change.
9381 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9383 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9385 PR rtl-optimization/26087
9386 * rtlanal.c (canonicalize_condition): Do not cross basic block
9389 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9392 * config/ia64/ia64.c: Include debug.h.
9393 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9394 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9395 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9396 (process_epilogue, process_set, process_for_unwind_directive):
9397 Output unwind info only if requested. Add CFA info if requested.
9398 Add new arguments as needed. Adjust callers.
9399 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9401 (DWARF2_FRAME_INFO): Define to zero.
9402 * config/ia64/unwind-ia64.c: Remove code that compensated for
9403 the CFA offset error fixed above.
9404 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9405 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9406 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9407 -funwind-tables and -fexceptions to enable frame info.
9408 (dwarf2out_frame_init): Define initial CFA even if
9409 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9410 DWARF2_UNWIND_INFO is nonzero, not just defined.
9411 (dwarf2out_frame_finish): Output non-EH call frame info only
9412 if DWARF2_FRAME_INFO is nonzero.
9413 (convert_cfa_to_loc_list,
9414 compute_frame_pointer_to_cfa_displacement): Define even if
9415 unwind info is not supported.
9416 (gen_subprogram_die): Use the above unconditionally. Remove
9417 legacy alternate code.
9418 * toplev.c (compile_file): Compile in call to
9419 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9420 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9422 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9423 Jakub Jelinek <jakub@redhat.com>
9425 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9426 IBM extended float format long double as "g" on powerpc*-linux.
9428 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9431 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9432 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9434 2006-02-03 Jason Merrill <jason@redhat.com>
9437 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9440 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9441 on the return slot if it's an NRV.
9443 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9445 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9446 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9447 rewrite_use): Do not handle USE_OUTER.
9448 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9449 add_iv_outer_candidates, may_replace_final_value,
9450 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9451 (find_interesting_uses_op): Functionality of
9452 find_interesting_uses_outer_or_nonlin moved here.
9453 (find_interesting_uses_outside): Use find_interesting_uses_op.
9455 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9458 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9460 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9461 Ulrich Weigand <uweigand@de.ibm.com>
9464 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9465 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9466 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9467 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9469 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9470 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9471 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9472 Define secondary reloads for TFmode moves.
9473 (constant_modes): Add TFmode.
9474 (NR_C_MODES): Set to 8.
9475 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9477 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9478 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9479 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9480 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9481 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9482 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9483 (FPR mode macro): Add TFmode.
9484 (DSF mode macro): New.
9485 (<de>, <dee> mode attributes): Removed.
9486 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9487 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9488 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9489 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9490 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9491 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9492 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9493 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9494 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9495 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9496 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9497 "*negabs<mode>2", "sqrt<mode>2"):
9498 Changed <de> to <xde>. R constraint replaced by <Rf>.
9499 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9501 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9502 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9503 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9505 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9506 "extenddftf2", "extendsftf2"): New expanders.
9507 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9508 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9509 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9510 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9512 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9513 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9514 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9515 __floatditf): Add a GCC_4.1.0 symbol version tag.
9516 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9519 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9522 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9523 Use targetm.binds_local_p instead of TREE_PUBLIC.
9525 2006-02-02 Roger Sayle <roger@eyesopen.com>
9527 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9528 on INTEGER_TYPEs to indicate that it denotes a character type.
9529 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9530 signed_char_type_node, unsigned_char_type_node and char_type_node.
9531 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9532 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9533 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9535 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9536 Daniel Berlin <dberlin@dberlin.org>
9538 * tree-tailcall.c (arg_needs_copy_p): New function.
9539 (eliminate_tail_call): Use arg_needs_copy_p.
9540 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9541 (add_virtual_phis): New function.
9543 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9545 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9546 #ignore instead of #scratch for %g7 .register directive.
9548 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9550 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9553 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9555 * flow.c (calculate_global_regs_live): Assert that there aren't any
9558 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9560 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9562 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9563 bsi_after_labels iterator.
9564 * tree-if-conv.c (find_phi_replacement_condition,
9565 replace_phi_with_cond_modify_expr): Likewise.
9566 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9567 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9569 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9571 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9573 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9576 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9577 array after growing it.
9579 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9582 * fold-const.c (fold_checksum_tree): Change type of buf.
9584 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9586 * reload.c (push_secondary_reload): Initialize t_icode.
9588 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9590 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9591 -msoft-float -mlong-double-128 only issue a warning, but don't
9592 swich to DFmode long double.
9594 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9596 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9597 has a constant equivalent, iterate over equivalents for arg0,
9598 calling simplify_relational_operation and if there's a result
9599 cheaper than X, apply fold_rtx and return the result.
9601 2006-02-01 Jan Hubicka <jh@suse.cz>
9603 * opts.c (no_unit_at_a_time_default): New global variable.
9604 (decode_options): Use it.
9605 * opts.h (no_unit_at_a_time_default): Declare.
9607 2006-02-01 Paul Brook <paul@codesourcery.com>
9609 * function.c (assign_parm_setup_reg): Use function argument promotion
9611 * expr.c (expand_expr_real_1): Use function argument promotion rules
9614 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9616 * gcc.c (process_command): Change j to 'unsigned int'.
9618 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9621 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9622 Use the corrected index for the character
9623 out of the string constant.
9625 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9627 * mode-switching.c (optimize_mode_switching): Fix size
9628 allocated for bb_info[n_entities].
9630 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9632 * gcc.c (main): Correct type that is allocated for
9633 explicit_link_files.
9635 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9637 * config/s390/s390.c (init_alignment_context): Set
9638 ALIAS_SET_MEMORY_BARRIER on the MEM.
9639 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9641 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9644 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9646 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9649 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9651 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9652 * regrename.c: Ditto.
9653 * tree-ssa-loop-im.c: Ditto.
9654 * tree-dump.c: Ditto.
9655 * tree-complex.c: Ditto.
9656 * genrecog.c: Ditto.
9657 * tree-ssa-threadupdate.c: Ditto.
9659 * java/class.c: Ditto.
9660 * java/jcf-parse.c: Ditto.
9661 * java/resource.c: Ditto.
9662 * java/except.c: Ditto.
9663 * java/jvspec.c: Ditto.
9664 * java/jcf-write.c: Ditto.
9665 * java/jcf-path.c: Ditto.
9666 * java/gjavah.c: Ditto.
9667 * java/zextract.c: Ditto.
9668 * java/jcf-io.c: Ditto.
9669 * java/jcf.h: Ditto.
9670 * java/buffer.c: Ditto.
9671 * java/lang.c: Ditto.
9672 * java/parse-scan.y: Ditto.
9673 * java/lex.c: Ditto.
9674 * java/lex.h: Ditto.
9675 * cfgloopmanip.c: Ditto.
9676 * postreload-gcse.c: Ditto.
9677 * tree-ssa-loop-manip.c: Ditto.
9678 * postreload.c: Ditto.
9679 * tree-ssa-loop-ch.c: Ditto.
9683 * diagnostic.c: Ditto.
9685 * genoutput.c: Ditto.
9687 * cfghooks.c: Ditto.
9688 * cfgloopanal.c: Ditto.
9689 * objc/objc-act.c: Ditto.
9691 * genextract.c: Ditto.
9692 * genautomata.c: Ditto.
9693 * pretty-print.c: Ditto.
9695 * cgraphunit.c: Ditto.
9698 * haifa-sched.c: Ditto.
9699 * dominance.c: Ditto.
9701 * tree-ssa-loop-ivopts.c: Ditto.
9703 * mode-switching.c: Ditto.
9704 * modulo-sched.c: Ditto.
9706 * ipa-pure-const.c: Ditto.
9708 * fix-header.c: Ditto.
9710 * tree-stdarg.c: Ditto.
9711 * ipa-utils.c: Ditto.
9712 * loop-init.c: Ditto.
9713 * ipa-inline.c: Ditto.
9716 * alloc-pool.c: Ditto.
9717 * dwarf2out.c: Ditto.
9719 * genattrtab.c: Ditto.
9720 * tree-ssa-loop-ivcanon.c: Ditto.
9724 * fortran/gfortranspec.c: Ditto.
9726 * local-alloc.c: Ditto.
9727 * langhooks.c: Ditto.
9728 * function.c: Ditto.
9729 * tree-vectorizer.c: Ditto.
9731 * ipa-type-escape.c: Ditto.
9733 * tree-if-conv.c: Ditto.
9736 * tree-data-ref.c: Ditto.
9737 * loop-unroll.c: Ditto.
9738 * treelang/treetree.c: Ditto.
9741 * ggc-common.c: Ditto.
9743 * coverage.c: Ditto.
9745 * tree-cfgcleanup.c: Ditto.
9746 * tree-ssa-pre.c: Ditto.
9747 * cfgcleanup.c: Ditto.
9748 * loop-invariant.c: Ditto.
9750 * ipa-prop.c: Ditto.
9751 * print-tree.c: Ditto.
9752 * conflict.c: Ditto.
9753 * ggc-page.c: Ditto.
9754 * sched-deps.c: Ditto.
9755 * regclass.c: Ditto.
9756 * tree-object-size.c: Ditto.
9758 * bb-reorder.c: Ditto.
9759 * resource.c: Ditto.
9760 * var-tracking.c: Ditto.
9762 * df-problems.c: Ditto.
9763 * reg-stack.c: Ditto.
9766 * sched-rgn.c: Ditto.
9767 * tree-ssa-structalias.c: Ditto.
9768 * tree-ssa-reassoc.c: Ditto.
9769 * config/darwin-c.c: Ditto.
9770 * config/darwin.c: Ditto.
9771 * config/arm/arm.c: Ditto.
9773 * collect2.c: Ditto.
9776 2006-01-31 Nicolas Pitre <nico@cam.org>
9778 * arm.md (smaxsi3): Make aware of smax_m1.
9781 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9783 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9785 2006-01-31 Richard Guenther <rguenther@suse.de>
9787 * doc/invoke.texi (-msselibm): Document.
9788 * target.h (expand_library_builtin): New target hook.
9789 * builtins.c (expand_builtin): Use expand_library_builtin.
9790 (default_expand_library_builtin): New function.
9791 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9792 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9793 (link_gcc_math_spec): Declare.
9794 (static_specs): Add link_gcc_math_spec.
9795 * expr.h (default_expand_library_builtin): Declare.
9796 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9797 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9798 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9799 * config/i386/i386.opt (msselibm): New target option.
9800 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9801 (ix86_init_sse_abi_builtins): New function.
9802 (ix86_expand_library_builtin): Likewise.
9803 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9804 (override_options): Handle error conditions wrt -msselibm.
9805 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9806 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9807 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9810 2006-01-31 Richard Guenther <rguenther@suse.de>
9811 Paolo Bonzini <bonzini@gnu.org>
9813 * doc/install.texi (--disable-libgcc-math): Document.
9815 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9817 * expr.h (expand_normal): new inline function.
9818 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9820 * dwarf2out.c: use it.
9825 * config/sparc/sparc.c: use it.
9826 * config/i386/i386.c: use it.
9827 * config/rs6000/rs6000.c: use it.
9828 * config/arm/arm.c: use it.
9829 * config/mips/mips.c: use it.
9830 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9832 2006-01-30 Roger Sayle <roger@eyesopen.com>
9834 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9835 argv to the appropriate type.
9837 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9839 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9842 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9845 * config/s390/s390.c (struct machine_function): New flag
9846 decomposed_literal_pool_addresses_ok_p.
9847 (s390_reorg): Set it before final stage of literal pool transforms.
9848 (s390_decompose_address): Only accept displacements of the form
9849 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9851 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9853 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9854 the comparison routine return.
9856 2006-01-30 Michael Matz <matz@suse.de>
9858 * global.c (find_reg): Only evict for global regs.
9859 Take n_refs into account and dump more info.
9861 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9864 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9865 (pragma_trap, pragma_nosave_low_regs): Likewise.
9866 (current_function_anonymous_args): Likewise.
9867 (sh_deferred_function_attributes): New variable.
9868 (sh_deferred_function_attributes_tail): Likewise.
9869 (print_operand): For '@', look up trap_exit attribute.
9870 (calc_live_regs): Look up trapa_handler attribute. For trapa
9871 handlers, save/restore fpscr, but don't do any other
9872 interrupt-specific saves.
9873 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9874 Fix check for partially saved registers to check for SHmedia.
9875 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9876 (sh_output_function_epilogue): Don't clear any of the removed
9878 (sh_insert_attributes): Don't check pragma_interrupt.
9879 Insert deferred attributes. Check that interrupt attribute is
9880 present for other attributes that require its presence.
9881 (sh_attribute_table): Add new attributes trapa_handler and
9883 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9884 Don't check for pragma_interrupt. Don't store argument.
9885 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9886 (sh_deferred_function_attributes): Declare.
9887 (sh_deferred_function_attributes_tail): Likewise.
9888 * sh.md (sp_switch_1): Add operand. Change generator caller.
9889 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9890 (*return_i): Don't use when trap_exit attribute is in effect.
9891 (*return_trapa): New insn pattern.
9893 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9894 setting c_target_objs and cxx_target_objs.
9895 * t-sh: Add rule for sh-c.o.
9897 2006-01-30 Richard Guenther <rguenther@suse.de>
9900 * gimplify.c (gimplify_target_expr): Handle easy cases
9901 without creating a temporary.
9903 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9905 * vec.h (safe_grow): Remove duplicated line.
9907 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9910 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9911 (expand_omp): ... here.
9912 (expand_omp_parallel): Only remove barriers for combined
9913 parallel+workshare constructs.
9915 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9919 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9920 * tree.c (build_qualified_type): Chain the new type to the original
9921 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9922 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9923 (build_pointer_type_for_mode): Only return unqualified types.
9924 (build_reference_type_for_mode): Likewise.
9926 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9928 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9929 * Makefile.in (CXX_COMPAT_WARN): Define.
9930 * configure: Regenerate.
9932 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9935 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9938 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9940 * toplev.c: Fix thinko.
9942 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9943 Marcin Dalecki <martin@dalecki.de>
9945 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9946 (push_srcloc): Use XNEW.
9947 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9949 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9951 * df-core.c (df_set_blocks): Deleted all variable.
9953 2006-01-28 Ian Lance Taylor <ian@airs.com>
9955 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9956 cgraph_output_pending_asms.
9958 2006-01-28 Zack Weinberg <zackw@panix.com>
9960 * c.opt: Add -W(no-)overlength-strings.
9961 * doc/invoke.texi: Document it.
9962 * c-opts.c (c_common_handle_option): -pedantic implies
9963 -Woverlength-strings, if not explicitly disabled already.
9964 (c_common_post_options): -Woverlength-strings defaults to off, and
9965 is always off for C++.
9966 * c-common.c (fix_string_type): Issue warning about strings longer
9967 than is portable only if warn_overlength_strings. Rearrange code
9968 a little for clarity.
9969 * configure.in: Check for -Wno-overlength-strings as well before
9970 enabling -pedantic in stage 1.
9971 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9972 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9974 * genconditions.c (write_header, write_one_condition)
9975 (write_conditions, write_writer): Consolidate very long strings
9976 that were broken up to fit in C89 portable limit. Don't use
9977 printf when fputs will do.
9979 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9981 * combine.c (simplify_comparison <AND>): Check
9982 TRULY_NOOP_TRUNCATION before start using a subreg.
9984 * config/mips/mips.md (*branch_zero<mode>,
9985 *branch_zero<mode>_inverted, *branch_equality<mode>,
9986 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9987 Remove mode check from comparisons.
9989 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9991 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9993 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9995 * expmed.c (const_mult_add_overflow_p): Remove.
9996 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9998 * recog.c (validate_replace_rtx_subexp): Remove.
9999 * recog.h: Remove the prototype for
10000 validate_replace_rtx_subexp.
10002 * integrate.h: Remove the prototype for
10003 copy_decl_for_inlining.
10004 * rtl.h: Remove the prototype for mark_constant_function.
10005 * tree-vectorizer.h: Remove the prototype for
10006 vect_strip_conversion.
10008 * modulo-sched.c (create_partial_schedule,
10009 free_partial_schedule, reset_partial_schedule): Make them
10012 * hooks.c (hook_bool_rtx_int_false): Remove.
10013 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10015 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10017 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10018 and -mlong-double-128 are incompatible.
10019 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10020 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10021 (TARGET_LIBGCC2_CFLAGS): Define.
10022 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10023 (TARGET_LIBGCC2_CFLAGS): Same.
10024 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10026 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10029 * c-typeck.c (build_binary_op): Perform implicit casts of
10030 operands before shortening them.
10032 * cfgloopmanip.c (split_loop_bb): Remove.
10033 * cfgloop.h: Remove the prototype for split_loop_bb.
10035 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10036 * cfgloop.h: Remove the prototype for
10037 flow_loop_outside_edge_p.
10039 * emit-rtl.c (init_virtual_regs): Make it static.
10040 * function.h: Remove the prototype for init_virtual_regs.
10042 * recog.c (peephole2_optimize): Make it static.
10043 * recog.h: Remove the prototype for peephole2_optimize.
10045 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10047 * df-scan.c (df_record_entry_block_defs): Check if
10048 INCOMING_RETURN_ADDR_RTX is defined.
10050 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10051 Kenneth Zadeck <zadeck@naturalbridge.com>
10053 PR rtl-optimization/24762
10054 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10055 * targhooks.c (hook_void_bitmap): New hook prototype.
10056 * targhoohs.h (hook_void_bitmap): Ditto.
10057 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10058 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10059 * target.h (live_on_entry): New function pointer.
10060 * df-scan.c (df_all_hard_regs): Removed.
10061 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10062 (df_scan_free_internal): Added df->entry_block_defs.
10063 (df_scan_alloc): Ditto.
10064 (df_scan_dump): Ditto.
10065 (df_uses_record): Plumbed flag field properly thru calls.
10066 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10067 This part fixes PR24762.
10068 (df_bb_refs_record): Added code to make the frame and arg
10069 pointers live in EH blocks.
10070 (df_refs_record): Added call to df_record_entry_block_defs.
10071 (df_record_entry_block_defs): New function.
10072 * df-core.c: Added comments to describe new artifical defs.
10073 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10074 (entry_block_defs): New field in struct df.
10075 (df_all_hard_regs): Deleted.
10076 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10077 * df-problems.c (df_ru_bb_local_compute_process_def):
10078 Added code to handle artifical defs in the entry to a function.
10079 (df_ru_bb_local_compute): Ditto.
10080 (df_rd_bb_local_compute_process_def): Ditto.
10081 (df_rd_bb_local_compute): Ditto.
10082 (df_lr_bb_local_compute): Ditto.
10083 (df_ur_bb_local_compute): Ditto.
10084 (df_urec_bb_local_compute): Ditto.
10085 (df_chain_create_bb): Ditto.
10086 (df_ur_local_finalize): Removed entry.
10087 (df_urec_init): Ditto.
10088 (df_urec_local_finalize): Ditto.
10089 (df_ri_bb_compute): Added detection of last use of pseudos.
10090 * Makefile.in (df-scan.o): Updated dependencies.
10091 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10092 * config/mips/mips.c (mips_set_live_on_entry): Added.
10093 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10095 * dce.c (marked_insn_p): Added code to handle artifical defs.
10097 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10099 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10101 (_mm_cvtsi128_si64): Likewise.
10102 (_mm_cvtsd_si64): Likewise.
10103 (_mm_cvttsd_si64): Likewise.
10104 (_mm_cvtsi64_sd): Likewise.
10105 (_mm_cvtsi64_si128): Likewise.
10106 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10107 (_mm_cvtsi64_m64): Likewise.
10108 (_m_to_int64): Likewise.
10109 (_mm_cvtm64_si64): Likewise.
10110 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10111 (_mm_cvttss_si64): Likewise.
10112 (_mm_cvtsi64_ss): Likewise.
10113 (_mm_cvtss_f32): Likewise.
10115 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10117 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10118 for pragma redefine_extname.
10120 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10123 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10124 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10125 -mno-minimal-toc to previous content.
10126 (bispecs): Remove goal.
10127 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10128 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10129 compatibility aliases on powerpc-*-*gnu*.
10130 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10131 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10132 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10133 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10134 (ldblspecs): New goal.
10135 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10136 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10138 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10139 L_sf_to_tf or L_df_to_tf is defined.
10141 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10142 Alan Modra <amodra@bigpond.net.au>
10145 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10146 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10147 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10148 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10149 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10150 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10151 (rs6000_override_options): Initialize rs6000_ieeequad.
10152 Initialize TFmode format to ibm_extended_format if not
10154 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10156 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10157 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10158 (function_arg_advance): IBM long double passed in two FPRs, not
10160 (function_arg): IBM long double passed in FPRs.
10161 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10162 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10163 Only multireg GPR aligned.
10164 (rs6000_init_libfuncs): Enable IBM long double functions if not
10166 (rs6000_generate_compare): Use IBM long double compare if not
10168 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10169 (TARGET_IEEEQUAD): Define.
10170 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10171 not TARGET_IEEEQUAD.
10172 * config/rs6000/rs6000.md: Enable TFmode patterns if
10174 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10175 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10176 and -mlong-double-128 are incompatible.
10177 * doc/invoke.texi (-mabi): Collect options together. Add
10178 ibmlongdouble and ieeelongdouble.
10180 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10182 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10184 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10185 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10186 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10187 * rtl.h (rtunion_def): Remove rt_ptr.
10189 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10190 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10191 * config/i386/winnt.c (i386_pe_mark_dllexport)
10192 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10194 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10196 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10198 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10202 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10203 pthread_key_delete. From John David Anglin. gthrw-ify
10204 pthread_getunique_np only if it it's not a macro. Delete
10206 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10207 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10208 __gthread_objc_condition_signal, __gthread_key_delete): Add
10209 "__attribute__ ((__unused__))" to unused arguments.
10210 (__gthread_recursive_mutex_init_function): Add missing return.
10211 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10212 gthr-posix95.h: Use macro-based approach for name redirection
10213 on targets missing weakref.
10215 2006-01-26 Zack Weinberg <zackw@panix.com>
10217 * genconditions.c (write_header): In generated code, #ifdef out
10218 all includes and fake declarations, except includes of bconfig.h
10219 and system.h, unless GCC_VERSION >= 3001. Do not include
10220 gensupport.h in any case.
10221 (write_conditions): Generate a definition of struct c_test. Add
10222 a comment to the generated #endif.
10223 (write_one_condition): Escape backslashes in string too.
10224 (write_writer): Generated code must escape backslashes and quote
10225 marks (but not newlines) in the strings it writes.
10226 * Makefile.in (build/gencondmd.o): Update dependencies.
10228 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10231 * Makefile.in (insn-automata.o): Add header file dependencies.
10232 * genautomata.c: Add includes.
10234 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10237 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10239 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10241 * configure.ac: Expect target tools paths to be passed from the toplevel
10242 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10244 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10246 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10249 * c.opt (Wpointer-sign): Init to -1.
10250 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10251 OPT_pedantic, to 0 otherwise.
10252 * doc/invoke.texi: Update.
10254 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10256 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10257 constants provided by 80387 instructions in the destination mode.
10259 2006-01-26 Richard Guenther <rguenther@suse.de>
10260 Andrew Pinski <pinskia@physics.uc.edu>
10263 partial PR tree-opt/17064
10264 * tree-ssa-structalias.c (intra_create_variable_infos):
10265 Create heap variables for incoming parameters if
10266 flag_argument_noalias > 1.
10267 (find_what_p_points_to): Look through default defs of
10270 2006-01-26 Jeff Law <law@redhat.com>
10273 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10274 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10275 within the VR_RANGE, use the VR_RANGE as the result, not the
10277 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10278 bounds for the type.
10280 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10282 * tree-ssa-alias.c (maybe_create_global_var): Change
10283 subvar walking to an assertion that we don't have subvar'd variables.
10285 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10288 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10289 Use a new variable, inner. PARM_DECLs are always non-weak.
10291 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10293 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10294 --disable-checking.
10296 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10298 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10300 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10302 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10303 (smax_insn, smin_insn, smax_0, smin_0): New.
10305 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10308 * config/cris/cris.c (cris_order_for_addsi3): New function.
10309 * config/cris/cris-protos.h: Prototype it.
10310 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10311 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10312 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10313 (split for "op.S1 [rx=rx+i],ry (swapped)")
10314 (split for "op(s|u).S1 [rx=rx+i],ry")
10315 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10316 Apply cris_order_for_addsi3 when generating addsi3 insns.
10318 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10320 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10321 (TREE_BLOCK): Add call to EXPR_CHECK.
10323 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10326 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10327 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10328 (dump_omp_clauses): ... here.
10329 (dump_generic_node): Handle OMP_CLAUSE.
10330 * tree.c (omp_clause_num_ops): New.
10331 (omp_clause_code_name): New.
10332 (tree_code_size): Handle OMP_CLAUSE.
10333 (tree_size): Likewise.
10334 (make_node): Document handling of OMP_CLAUSE.
10335 (tree_node_structure): Handle OMP_CLAUSE.
10336 (omp_clause_check_failed): New.
10337 (omp_clause_range_check_failed): New.
10338 (omp_clause_operand_check_failed): New.
10339 (build_omp_clause): New.
10340 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10341 * tree.h (enum omp_clause_code): Declare.
10342 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10343 (OMP_CLAUSE_RANGE_CHECK): Define.
10344 (OMP_CLAUSE_ELT_CHECK): Define.
10345 (omp_clause_check_failed): Declare.
10346 (omp_clause_operand_check_failed): Declare.
10347 (omp_clause_range_check_failed): Declare.
10348 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10349 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10350 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10351 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10352 (OMP_CLAUSE_IF_EXPR): Likewise.
10353 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10354 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10355 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10356 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10357 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10358 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10359 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10360 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10361 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10362 (OMP_CLAUSE_CODE): Define.
10363 (OMP_CLAUSE_SET_CODE): Define.
10364 (OMP_CLAUSE_CODE): Define.
10365 (OMP_CLAUSE_OPERAND): Define.
10366 (struct tree_omp_clause): Declare.
10367 (union tree_node): Add field 'omp_clause'.
10368 * treestruct.def (TS_OMP_CLAUSE): Define.
10369 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10370 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10371 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10372 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10373 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10374 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10375 (OMP_CLAUSE): Define.
10376 * print-tree.c (print_node): Handle OMP_CLAUSE.
10377 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10378 * c-typeck.c: Likewise.
10379 * gimplify.c: Likewise.
10380 * c-omp.c: Likewise.
10381 * tree-nested.c: Likewise.
10382 * tree-inline.c: Likewise.
10383 * c-parser.c: Likewise.
10384 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10387 2006-01-25 Roger Sayle <roger@eyesopen.com>
10389 PR rtl-optimization/25703
10390 * combine.c (try_combine): Handle zero_extract and strict_low_part
10391 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10393 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10395 * global.c: Fix comment typos.
10397 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10400 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10401 Use output_addr_const instead of assemble_name.
10403 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10405 * Makefile.in (sched-vis.o): Update dependencies.
10406 * haifa-sched.c (sched_finish): Clear current_sched_info.
10407 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10408 (dump_flow_info): Call it.
10409 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10411 * basic-block.h (dump_bb_info): Declare.
10412 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10413 option, and apply options only for dump files whose TDF_RTL,
10414 TDF_TREE, or TDF_IPA bits match.
10415 * rtl.h: Declare new functions exported from sched-vis.c.
10416 * sched-vis.c: Enable also if scheduling is not used.
10417 (print_value): Print the mode of registers if not inside scheduling.
10418 (print_insn): Make it work outside the scheduler. Beautify the output
10420 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10422 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10424 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10425 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10426 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10427 depending on the value of CONSTANT_POOL_ADDRESS_P.
10428 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10430 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10431 rather than SYMBOL_REF_DECL.
10432 (rtx_constant_pool): Remove const_rtx_sym_htab.
10433 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10434 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10435 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10436 Remove handling of const_rtx_sym_htab.
10437 (find_pool_constant): Delete.
10438 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10439 rather than find_pool_constant.
10440 (get_pool_constant_for_function): Delete.
10441 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10442 find_pool_constant.
10443 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10444 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10445 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10446 (SYMBOL_REF_CONSTANT): New macro.
10447 (get_pool_constant_for_function): Delete.
10448 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10449 rather than SYMBOL_REF_DECL.
10450 (i386_pe_mark_dllimport): Likewise.
10451 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10452 rather than SYMBOL_REF_DECL.
10453 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10454 (machopic_indirect_call_target): Likewise.
10456 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10458 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10460 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10462 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10464 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10466 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10468 2006-01-24 David Daney <ddaney@avtrex.com>
10471 * configure.ac (enable_tls): New enable option.
10472 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10473 * configure: Regenerate.
10474 * doc/install.texi (--enable-tls): Document new option.
10475 (--disable-tls): Ditto.
10477 2006-01-24 Richard Henderson <rth@redehat.com>
10479 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10480 * alias.c (true_dependence): Respect it.
10481 (canon_true_dependence, write_dependence_p): Likewise.
10482 * builtins.c (get_builtin_sync_mem): Set it.
10484 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10486 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10489 2006-01-24 DJ Delorie <dj@redhat.com>
10491 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10492 for storing constants in single-bit bitfields.
10494 2006-01-25 Ben Elliston <bje@au.ibm.com>
10496 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10498 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10501 * tree-ssa-pre.c (phi_translate): Return NULL
10502 for AGGREGATE_TYPE's.
10504 2006-01-24 Zack Weinberg <zackw@panix.com>
10506 * genautomata.c (process_state_for_insn_equiv_partition):
10507 Use xcalloc for insn_arcs_array.
10508 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10509 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10511 2006-01-24 Richard Henderson <rth@redhat.com>
10513 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10514 update all callers.
10516 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10518 PR rtl-optimization/25890
10519 PR rtl-optimization/25905
10520 * combine.c (expand_compound_operation, expand_field_assignment):
10521 Fail if the bitfield's final position is out of bounds.
10523 2006-01-24 Ian Lance Taylor <ian@airs.com>
10525 PR middle-end/25930
10526 * cgraphunit.c (cgraph_output_in_order): Don't clear
10527 cgraph_asm_nodes until after asm strings have been output.
10529 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10531 * fix-header.c (read_scan_file): Add new parameter imultilib when
10532 calling register_include_chains.
10534 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10536 * omp-low.c: Update documentation.
10538 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10539 Daniel Berlin <dberlin@dberlin.org>
10543 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10544 return from the function.
10546 2006-01-22 Zack Weinberg <zackw@panix.com>
10548 * rtl.def (match_code): Add second argument.
10549 * genpreds.c (write_extract_subexp): New function.
10550 (write_match_code): Add path argument. Use write_extract_subexp.
10551 (write_predicate_expr): Pass path to write_match_code.
10552 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10553 not perform a mode test.
10554 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10555 a subexpression does not constrain the top-level code set.
10556 * read-rtl.c (read_rtx_variadic): New function.
10557 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10558 * doc/md.texi: Document new notation.
10559 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10560 (cmpsi_operand): ... here, using new notation.
10562 2006-01-22 Zack Weinberg <zackw@panix.com>
10564 * varray.c: Remove GENERATOR_FILE #ifdefs.
10566 2006-01-22 Zack Weinberg <zackw@panix.com>
10568 * genautomata.c (output_reserved_units_table): Emit nothing if
10569 description->query_units_num is zero. Remove extra blank line.
10570 (output_cpu_unit_reservation_p): Short circuit
10571 if description->query_units_num is zero.
10573 2006-01-22 Zack Weinberg <zackw@panix.com>
10575 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10576 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10577 nor any of the random handful of variables that used to be necessary
10578 when this program was linked with rtlanal.o. Prune set of forward
10579 function declarations.
10580 (struct attr_desc): Remove static_p field.
10581 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10582 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10583 (attr_string): Do not read the character one past the length of
10585 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10586 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10587 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10588 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10589 (make_automaton_attrs): New.
10590 (main): Do not call into genautomata. Call local gen_bypass
10591 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10592 Remove special case for insn_alts.
10593 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10594 varray.h (leftover from previous change). Prune set of forward
10595 function declarations. Remove state_alts fields from all
10596 structures. Remove state_alts_table from struct automaton.
10597 Make everything except main static. Do not maintain num_dfa_decls.
10598 Do not maintain state_alts fields of various structures.
10599 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10600 (add_arc): Remove state_alts argument. All callers updated.
10601 (output_reserved_units_table): Emit #ifdef here...
10602 (output_tables): ...not here. Don't generate state_alts tables.
10603 (expand_automata): Don't generate attributes.
10604 (write_automata): Don't generate state_alts functions.
10605 (main): New function.
10606 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10607 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10608 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10609 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10610 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10611 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10612 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10613 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10615 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10616 * genattrtab.h: Delete file.
10617 * Makefile.in (OBJS-common): Add insn-automata.o.
10618 (insn-automata.o): New rule.
10619 (simple_generated_c): Add insn-automata.c.
10620 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10621 (genprogmd): Add automata.
10622 (build/genattrtab): Needs no extra objects nor libraries.
10623 (build/genautomata): Needs build/vec.o and -lm.
10625 2006-01-22 Zack Weinberg <zackw@panix.com>
10627 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10628 (output_dfa_max_issue_rate, locked_states_num): Delete.
10629 (struct automaton): Add locked_states field.
10630 (output_dead_lock_vect): Save number of locked states in
10631 automaton->locked_states. If it is zero, don't print anything.
10632 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10633 (output_internal_dead_lock_func): Only test the dead_lock_vect
10634 for automata that have locked states.
10635 (output_statistics): Always print the number of locked states for
10636 each automaton. Calculate total number of locked states here.
10637 (write_automata): Don't call output_dfa_max_issue_rate.
10638 * genattrtab.c: Define length_unit_log as a const variable.
10639 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10640 max_insn_queue_index const.
10641 * final.c (length_unit_log): Declare const.
10642 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10644 2006-01-22 Zack Weinberg <zackw@panix.com>
10646 * genautomata.c: Include vec.h, not varray.h.
10647 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10648 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10649 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10650 VEC_* macros operating on appropriately typed vectors, or to
10651 malloced arrays when the size is known in advance. Const-ify
10652 many char* variables and function arguments. No functional changes.
10653 * Makefile.in (build/varray.o): Delete rule.
10654 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10655 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10657 2006-01-22 Zack Weinberg <zackw@panix.com>
10659 * gensupport.c: Define get_insn_name and record_insn_name here.
10660 (read_md_rtx): Call record_insn_name as appropriate.
10661 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10662 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10663 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10665 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10666 (BUILD_VARRAY): Delete.
10667 (genprognormal): Rename genprogmd. Fold in all programs from
10668 genprognoprint; also attrtab.
10669 (build/genattrtab): Just mention genautomata.o and varray.o.
10670 Reorganize a bit, add comments to make the categories clearer.
10672 2006-01-22 Zack Weinberg <zackw@panix.com>
10674 * genconditions.c (condition_table, add_condition): Delete.
10675 (write_conditions): Don't emit n_insn_conditions nor
10676 insn_elision_unavailable. Issue the gcc version #ifdef here,
10677 inside the table, with no #else clause ...
10678 (write_header): ...not here.
10679 (write_writer): New function.
10680 (main): Don't initialize condition_table. Use add_c_test.
10682 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10683 files on the command line.
10684 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10685 Return -1 if there is no entry in the table, don't abort.
10686 (add_c_test, traverse_c_tests): New functions.
10687 * gensupport.h (insn_elision_unavailable, insn_conditions)
10688 (n_insn_conditions): Delete declarations.
10689 (add_c_test, traverse_c_tests): Declare.
10690 * read-rtl.c: Include gensupport.h.
10691 (read_conditions): New function.
10692 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10693 (read_rtx_1): If we get EOF when we were looking for an initial
10694 open paren, return 0. Call read_conditions when appropriate.
10695 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10696 dummy-conditions.o. Eliminate references to insn-conditions.o,
10697 or change them to build/gencondmd.o, as appropriate. Remove
10698 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10699 from $(simple_generated_c). For all files remaining in those
10700 two lists, add insn-conditions.md to the generator command line.
10701 Give insn-constants.h/s-constants their own rules. Add rules
10702 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10703 (build/read-rtl.o): Depend on gensupport.h.
10704 (genprognormal): Include preds.
10705 (genprogearly): Rename genprognoprint; only difference is now that
10706 they don't link with $(BUILD_PRINT).
10707 * dummy-conditions.c: Delete.
10709 2006-01-22 Zack Weinberg <zackw@panix.com>
10711 * genextract.c: Don't include insn-config.h. Do include vec.h.
10712 Declare vectors of int, char, and locstr.
10713 (locstr): New typedef.
10714 (struct extraction): Make all array fields into bare pointers.
10715 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10716 (insn_code_number): Delete.
10717 (accum_extract): New struct.
10718 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10719 (gen_insn): Take insn_code_number as an argument. Use an
10720 accum_extract structure instead of loading data directly into
10721 a struct extraction, and having to know how big it might get.
10722 (walk_rtx): Operate entirely on an accum_extract structure.
10723 (print_path): Avoid unnecessary use of printf.
10724 (print_header): New function, split out of main. Distinguish
10725 more carefully between an unrecognizable insn and an insn that
10726 has the code number of a define_expand.
10727 (main): Pass insn_code_number to gen_insn. Call print_header
10728 only after parsing. Avoid unnecessary use of printf.
10729 * Makefile.in (build/vec.o): New rule.
10730 (build/genextract): Depend on build/vec.o.
10731 (build/genextract.o): Don't depend on insn-config.h.
10733 2006-01-22 Zack Weinberg <zackw@panix.com>
10735 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10736 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10737 practical. Eliminate per-generator-program link rules.
10739 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10741 PR middle-end/24437
10742 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10743 with a call expr to ...
10744 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10746 2006-01-23 Richard Guenther <rguenther@suse.de>
10748 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10749 before make_edge with conditional EDGE_TRUE_VALUE.
10751 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10752 Jan Hubicka <jh@suse.cz>
10753 Richard Guenther <rguenther@suse.de>
10755 PR rtl-optimization/25654
10756 * cfgexpand.c (aggregate_contains_union_type): New function.
10757 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10758 for structure variables that contain a union type.
10760 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10762 * gengtype.c (new_structure): Return the structure.
10763 (create_option): Add an extra "next" argument.
10764 (create_field): New function.
10765 (adjust_field_rtx_def): Use create_option and create_field.
10766 Remove a now-unnecessary call to find_structure.
10767 (adjust_field_tree_def): Likewise.
10768 (note_yacc_type): Remove an unnecessary call to find_structure.
10769 * gengtype.h (new_structure): Return the structure.
10770 (create_option): Add an extra argument.
10771 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10772 (option): Adjust calls to create_option.
10774 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10776 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10778 2006-01-22 Paul Brook <paul@codesourcery.com>
10779 Peter Barada <peter@the-baradas.com>
10781 * config/m68k/m68k.md: Add Coldfire FPU support.
10782 Define FP mode macro and associated attributes.
10783 Use it for float mode patterns.
10784 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10785 (LIBCALL_VALUE): Use m68k_libcall_value.
10786 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10787 (m68k_function_value): Ditto.
10788 (emit_move_sequence): Ditto.
10789 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10790 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10791 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10792 (MULTILIB_EXCEPTIONS): Ditto.
10793 * config/m68k/m68k.opt: Add mcfv4e.
10794 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10795 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10796 (m68k_output_function_prologue): Save ColdFire FPU registers.
10797 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10798 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10799 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10800 ColdFire FPU registers.
10801 (m68k_libcall_value, m68k_function_value): New functions.
10802 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10803 (LIBCALL_VALUE): Use m68k_libcall_value.
10804 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10805 (MASK_COLDFIRE): Add MASK_CFV4E.
10806 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10807 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10808 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10809 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10810 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10811 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10812 * doc/invoke.tex: Document -mcfv4e on m68k.
10814 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10816 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10819 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10822 * c-opts.c (c_common_handle_option): Don't include
10823 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10824 * doc/invoke.texi (C++ Dialect Options): Document that
10825 -Wnon-virtual-dtor is no longer included in -Wall.
10827 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10829 * gcov.c (print_version), gcov-dump.c (print_version),
10830 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10833 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10835 * df-scan.c (problem_SCAN): Added NULL reset function.
10836 (df_scan_reset_blocks): Added code to call reset block function
10837 (df_bb_refs_delete) Fixed comment.
10838 (df_insn_refs_delete): Made tolerant of deleting non existent info
10839 for dataflow problems that need to be reset.
10840 * df-core.c (df_set_blocks): Ditto.
10841 * df.h (struct df_problem): Added reset_fun.
10842 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10843 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10844 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10845 functions to clear out all references to def-use or use-def chains.
10847 2006-01-21 Ben Elliston <bje@au.ibm.com>
10849 * varasm.c (assemble_real): Initialise data array.
10851 2006-01-20 Paul Brook <paul@codesourcery.com>
10853 Merge from csl-arm-branch.
10854 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10855 * config/arm/arm.md (movdi): Force operands[1] to a register
10856 if we have a non-register source.
10857 (*arm_movdi, *movdf_soft_insn): Require that one of the
10858 operands be a register.
10859 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10860 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10862 2006-01-20 DJ Delorie <dj@redhat.com>
10864 * varasm.c (initializer_constant_valid_p): Allow pointers
10865 initialized from integer constants of lesser precision.
10866 (output_constant): Allow non-int-sized pointer modes to be
10867 initialized from integer constants.
10869 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10872 * cppdefault.h (struct default_include): Add multilib flag.
10873 * cppdefault.c (cpp_include_defaults): Set it.
10874 * c.opt (-imultilib): New option.
10875 * c-opts.c (imultilib): New.
10876 (c_common_handle_option): Handle -imultilib.
10877 (c_common_post_options): Likewise.
10878 * c-incpath.c (add_standard_paths, register_include_chains):
10880 * c-incpath.h (register_include_chains): Add extra parameter.
10881 * gcc.c (do_spec_1): Generate -imultilib option.
10882 (The Specs Language): Update %I description.
10883 (process_command): Update copyright notice.
10884 * doc/cppopts.texi (-imultilib): Document.
10885 * doc/invoke.texi (-imultilib): Include in option summary.
10886 (%I): Update specs documentation.
10888 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10890 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10892 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10894 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10897 2006-01-20 Richard Guenther <rguenther@suse.de>
10898 Steven Bosscher <stevenb.gcc@gmail.com>
10900 PR rtl-optimization/24626
10901 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10902 EDGE_TRUE_VALUE if in RTL mode.
10905 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10906 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10908 2006-01-20 Dirk Mueller <dmueller@suse.com>
10911 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10912 instead of a special NOP marker.
10913 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10914 NOP marker handling.
10915 * c-common.h (empty_body_warning): Add forward declaration.
10916 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10917 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10919 2006-01-20 Paul Brook <paul@codesourcery.com>
10921 * Makefile.in (lang_checks): Keep going if mkdir fails.
10923 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10925 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10926 be able to clean out basic block when not necessary.
10927 (df_scan_free): Fixed to properly delete information if df is
10928 unused before calling df_finish.
10929 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10930 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10932 (df_bb_refs_delete): New function.
10933 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10934 * df-core.c (df_set_blocks): Added code to properly clean out
10935 unused blocks if they are not part of the blocks to consider.
10936 Added additional null check.
10937 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10938 be able to clean out basic block when not necessary
10939 * df.h (df_free_bb_function): Ditto.
10940 (df_bb_refs_delete): New function.
10941 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10942 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10943 basic block parameter to be able to clean out basic block when not
10945 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10946 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10947 Fixed to properly delete information if df is unused before
10950 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10952 PR rtl-optimization/25799
10953 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10954 Corrected confluence operator to remove bits from op2 before oring
10955 with op1 rather than removing bits from op1.
10956 (df_ru_transfer_function): Corrected test on wrong bitmap which
10957 caused infinite loop. Both of these problems were introduced in
10958 the dataflow rewrite.
10960 2006-01-19 DJ Delorie <dj@redhat.com>
10962 * reload1.c (find_reload_regs): Note the details of reload
10963 failures in the dump file.
10964 (spill_failure): Likewise.
10966 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10968 * loop-iv.c: Include df.h and hashtab.h.
10969 (enum iv_grd_result): New enum.
10970 (DF_REF_IV, DF_REF_IV_SET): New macros.
10971 (struct biv_entry): New.
10972 (df, bivs): New global variables.
10973 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10974 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10976 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10977 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10978 analyzed_for_bivness_p, record_biv): New functions.
10979 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10980 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10981 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10983 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10985 (iv_number_of_iterations): Use new interface to iv analysis.
10986 * loop-unroll.c: Do not include varray.h.
10987 (analyze_iv_to_split_insn): Use new interface to iv
10989 * loop-unswitch.c (may_unswitch_on): Ditto.
10990 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10992 (df_bb_modify): Realloc tables to the new index.
10993 (df_find_use): New function.
10994 * df.h (df_find_use): Declare.
10995 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10997 * cfgloop.h (struct rtx_iv): Remove analysed field.
10998 (iv_get_reaching_def): Removed.
10999 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11000 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11001 (loop-iv.o): Add df.h and hashtab.h dependency.
11002 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11004 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11007 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11009 (__floatundisf, __floatundidf): Likewise.
11010 * libgcc2.h (IS_IBM_EXTENDED): Define.
11012 2006-01-19 DJ Delorie <dj@redhat.com>
11014 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11016 2006-01-19 Paul Brook <paul@codesourcery.com>
11018 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11019 as nothrow when unwinding tables are disabled.
11021 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11024 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11025 of bit-field" when in system header.
11027 2006-01-19 DJ Delorie <dj@redhat.com>
11029 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11030 the 16 bit shift limit of the m16c.
11032 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11035 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11036 * config/i386/i386.c (output_set_got): Output the label if we have one
11037 for the TARGET_DEEP_BRANCH_PREDICTION case.
11039 2006-01-19 Jan Hubicka <jh@suse.cz>
11040 H.J. Lu <hongjiu.lu@intel.com>
11041 Evandro Menezes <evandro.menezes@amd.com>
11043 * invoke.texi (generic): Document
11045 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11046 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11047 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11048 (x86_use_incdec, x86_pad_returns): New variables
11049 (TARGET_CPU_DEFAULT_generic): New constant
11050 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11051 (enum processor_type): Add generic32 and generic64.
11052 * i386.md (cpu attribute): Add generic32/generic64
11053 (movhi splitter): Behave sanely when both partial_reg_dependency and
11054 partial_reg_stall are set.
11055 (K8 splitters): Enable for generic as well.
11056 * predicates.md (incdec_operand): Use TARGET_INCDEC
11057 (aligned_operand): Avoid memory mismatch stalls.
11058 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11059 * ppro.md: Enable for generic32
11060 * i386.c (generic64_cost, generic32_cost): New.
11061 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11062 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11063 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11064 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11065 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11066 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11067 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11068 x86_accumulate_outgoing_args, x86_prologue_using_move,
11069 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11070 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11071 Enable for generic.
11072 (x86_use_incdec, x86_pad_returns): New.
11073 (override_options): Add generic32 and generic64, translate "generic"
11074 to generic32/generic64 and "i686" to "generic32", refuse
11075 "generic32"/"generic64" as arch target.
11076 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11077 (ix86_reorg): Honor PAD_RETURNS.
11079 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11081 * tree-pretty-print.c (dump_generic_node): Handle
11082 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11083 * cgraph.c (cgraph_expand_queue): Rename from
11084 cgraph_analyze_queue. Update all users.
11085 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11086 cgraph_expand_queue.
11087 (cgraph_expand_all_functions): Likewise.
11088 (cgraph_finalize_pending_functions): Remove. Update callers.
11090 * tree.h (OMP_DIRECTIVE_P): Define.
11091 (OMP_PARALLEL_FN): Define.
11092 (OMP_PARALLEL_DATA_ARG): Define.
11093 (OMP_SECTIONS_SECTIONS): Define.
11094 * tree-pass.h (pass_expand_omp): Declare.
11095 * omp-low.c (struct omp_region): Declare.
11096 (struct omp_context): Remove fields 'parallel_type',
11097 'parallel_start_ix' and 'parallel_start_additional_args'.
11099 (struct omp_for_data): Rename from struct expand_omp_for_data.
11100 (omp_regions): New static variable.
11101 (root_omp_region): New static variable.
11102 (find_omp_clause): Make static.
11103 (is_in_combined_parallel_ctx): Remove.
11104 (is_combined_parallel): New.
11105 (extract_omp_for_data): Move earlier in the file.
11106 (workshare_safe_to_combine_p): New.
11107 (get_ws_args_for): New.
11108 (determine_parallel_type): Move earlier in the file.
11109 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11111 (omp_copy_decl): Likewise.
11112 (create_omp_child_function): Likewise.
11113 (lookup_omp_region): New.
11114 (dump_omp_region): New.
11115 (debug_omp_region): New.
11116 (debug_all_omp_regions): New.
11117 (new_omp_region): New.
11118 (scan_omp_parallel): If parallel_nesting_level > 1, the
11119 directive is nested within another parallel directive.
11120 Set OMP_PARALLEL_FN.
11121 (scan_omp_for): Do not try to handle combined parallel+for
11123 Remove FIXME comment.
11124 (scan_omp_nested): Remove.
11125 (scan_omp_1): Do not call scan_omp_nested when
11126 parallel_nesting_level is > 1.
11127 Do not change the DECL_CONTEXT of local variables found.
11128 (lookup_decl_in_outer_ctx): New.
11129 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11130 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11131 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11132 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11133 If CTX is nested, lookup VAR in the outer context when
11134 building copy assignment.
11135 (lower_send_clauses): Rename from expand_send_clauses.
11136 If CTX is nested, lookup VAR in the outer context when
11137 building copy assignments.
11138 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11139 If CTX is nested, lookup VAR in the outer context when
11140 building copy assignments.
11141 (expand_parallel_call): Rename from build_parallel_call.
11142 Handle combined parallel+workshare cases.
11143 Re-implement to emit code into the CFG.
11145 (expand_omp_parallel): Re-implement to emit code into the CFG.
11146 Call move_sese_region_to_fn to outline the sub-graph
11147 containing the parallel region.
11148 (expand_omp_for_1): Remove.
11149 (expand_omp_for_generic): Re-implement to emit code into the
11151 (expand_omp_for_static_nochunk): Likewise.
11152 (expand_omp_for_static_chunk): Likewise.
11153 (expand_omp_for): Likewise.
11154 (expand_omp_sections): Likewise.
11155 (remove_exit_barriers): New.
11156 (expand_omp_synch): New.
11158 (build_omp_regions_1): New.
11159 (build_omp_regions): New.
11160 (execute_expand_omp): New.
11161 (gate_expand_omp): New.
11162 (pass_expand_omp): Define.
11163 (lower_omp_sections): Rename from expand_omp_sections.
11164 Set OMP_SECTIONS_SECTIONS.
11165 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11166 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11167 (lower_omp_single): Rename from expand_omp_simple.
11168 (lower_omp_master): Rename from expand_omp_master.
11169 (lower_omp_ordered): Rename from expand_omp_ordered.
11170 (lower_omp_critical): Rename from expand_omp_critical.
11171 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11172 (lower_omp_for): Re-implement.
11173 (lower_omp_parallel): Re-implement.
11174 (lower_regimplify): Rename from expand_regimplify.
11175 (lower_omp_1): Rename from expand_omp_1.
11176 If there are syntax errors in the program, replace every
11177 OpenMP directive with NOP.
11178 Call lower_omp_* instead of expand_omp_*.
11179 (lower_omp): Rename from expand_omp.
11181 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11182 * tree-gimple.h (enum omp_parallel_type): Remove.
11183 (gimple_boolify): Declare extern.
11184 (find_omp_clause, determine_parallel_type): Remove.
11186 * gimple-low.c (lower_omp_directive): New.
11187 (lower_stmt): Call it.
11188 (record_vars_into): Move from ...
11189 (record_vars): ... here.
11190 Call record_vars_into with current_function_decl.
11192 * gimplify.c (struct gimplify_ctx): Remove fields
11193 combined_pre_p and combined_ctxp. Update users.
11194 (get_formal_tmp_var): Add documentation.
11195 (gimple_boolify): Make extern.
11196 (gimplify_expr_in_ctx): Remove. Update callers.
11197 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11198 will always be a BIND_EXPR.
11199 (gimplify_expr): Handle OMP_RETURN_EXPR.
11200 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11201 (OMP_PARALLEL): Add 3 operands.
11202 (OMP_SECTIONS): Add 1 operand.
11203 (OMP_RETURN_EXPR): Define.
11205 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11206 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11207 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11208 creating a circular free list.
11209 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11211 * tree-flow.h (move_sese_region_to_fn): Declare.
11212 (record_vars_into): Declare.
11213 * tree-cfg.c (make_omp_sections_edges): New.
11214 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11215 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11216 OMP_SECTIONS and OMP_SECTION.
11217 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11218 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11219 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11220 (gather_blocks_in_sese_region): New.
11221 (struct move_stmt_d): Declare.
11222 (move_stmt_r): New.
11223 (move_block_to_fn): New.
11224 (move_sese_region_to_fn): New.
11226 * passes.c (init_optimization_passes): Schedule
11227 pass_expand_omp after pass_init_datastructures.
11229 * tree-ssa-operands.c (get_expr_operands): Handle
11230 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11231 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11233 2006-01-19 Jeff Law <law@redhat.com>
11235 * tree-vrp.c (extract_range_from_assert): Refine the result range
11236 if the variable referenced by the ASSERT_EXPR has a range and
11237 either the tentative result range or the previous range is a
11240 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11242 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11244 2006-01-19 Jan Hubicka <jh@suse.cz>
11246 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11248 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11250 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11251 (expand_compound_operation, expand_field_assignment): Fail if the
11252 bit lengths of an extract operation are out of range.
11253 (make_extraction): Compute wanted_inner_mode based on the position
11254 and length of the extraction. Make it extraction_mode for non-constant
11255 positions, and do not modify offset in that case. When generating a
11256 new MEM, use a mode that can hold the extraction while keeping correct
11257 alignment. Remove code that supported MEMs wrapped by USEs.
11258 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11260 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11262 * config/s390/s390.md ("Y", "y"): New mode attribute.
11263 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11264 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11265 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11266 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11267 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11268 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11269 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11270 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11271 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11272 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11273 "addsi3", "subsi3"): Insn patterns removed.
11274 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11275 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11276 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11277 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11278 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11279 "*sub<mode>3_cconly2"): New insn patterns.
11280 ("addsi3", "subsi3"): New expanders.
11282 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11284 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11285 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11286 existing STMT_VINFO_VECTYPE if available.
11287 (vect_mark_relevant): Add special handling for stmts that are
11288 marked as STMT_VINFO_IN_PATTERN_P.
11289 (vect_analyze_loop): Call vect_pattern_recog.
11290 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11291 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11293 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11294 (vect_recog_func_ptr): New function-pointer type.
11295 * tree-vect-patterns.c: New file.
11296 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11297 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11298 (vect_pattern_recog_1): New functions.
11299 (vect_pattern_recog_funcs): New array of function pointers.
11301 * tree-vectorizer.h (ternary_op): New enum value.
11302 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11303 declaration. Revised documentation. Removed redundant dump prints.
11304 Removed redundant argument. Added support for reduction patterns.
11305 (vectorizable_reduction): Added support for reduction patterns.
11306 (vect_transform_stmt): Added support for patterns.
11308 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11309 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11310 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11311 (expand_widen_pattern_expr): New function.
11312 (init_optabs): Initialize new optabs udot_prod_optab,
11314 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11315 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11316 (expand_widen_pattern_expr): New function declaration.
11317 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11319 * tree-inline.c (estimate_num_insns_1): Added cases for new
11320 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11321 * tree-pretty-print.c (dump_generic_node): Likewise.
11322 (op_prio): Likewise.
11323 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11324 * tree-ssa-operands.c (get_expr_operands): Added case for
11326 * tree-vect-patterns.c (widened_name_p): New function.
11327 (vect_recog_dot_prod_pattern): Added function implementation.
11328 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11329 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11330 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11331 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11333 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11334 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11335 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11336 (init_optabs): Initialize new optabs widen_ssum_optab,
11338 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11339 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11340 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11341 use instead of type of def.
11342 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11343 function implementation.
11344 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11345 widen_ssumv8hi): New.
11347 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11350 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11353 * c-decl.c (add_flexible_array_elts_to_size): New function.
11354 (finish_decl): Use it.
11356 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11358 * diagnostic.h: Include options.h.
11359 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11360 dependancies for diagnostic.h.
11361 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11363 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11365 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11366 (ssa_ro_call_cache_valid): Ditto.
11367 * tree-ssa-alias.c (sort_tags_by_id): New function.
11368 (init_transitive_clobber_worklist): Ditto.
11369 (add_to_worklist): Ditto.
11370 (mark_aliases_call_clobbered): Ditto.
11371 (compute_tag_properties): Ditto.
11372 (set_initial_properties): Ditto.
11373 (compute_call_clobbered): Ditto.
11374 (compute_may_aliases): Call compute_call_clobbered and grouping.
11375 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11376 (compute_flow_insensitive_aliasing): Grouping now happens in our
11378 (setup_pointers_and_addressables): Remove clobbering related code.
11379 (add_may_alias): Ditto.
11380 (replace_may_alias): Ditto.
11381 (get_nmt_for): Ditto.
11382 (create_global_var):
11383 (is_escape_site): Return an escape_type enumeration.
11384 * tree-flow-inline.h (is_call_clobbered): Global var does not
11385 imply call clobbered.
11386 (mark_call_clobbered): Take a reason for marking this. Remove
11387 marking of globalness, and cache invalidation.
11388 (clear_call_clobbered): Remove cache invalidation code.
11389 * tree-dfa.c (dump_variable): If details is on, dump the reason
11391 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11393 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11394 (struct var_ann_d): Ditto.
11395 (enum escape_type): New.
11396 (mark_call_clobbered): Adjust prototype.
11397 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11398 are never call clobbered.
11399 Record reasons for escaping.
11400 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11401 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11402 (ssa_ro_call_cache_valid): Ditto.
11403 (clobbered_v_may_defs): Ditto.
11404 (clobbered_vuses): Ditto.
11405 (ro_call_vuses): Ditto.
11406 (clobber_stats): New.
11407 (init_ssa_operands): Zero out clobber stats.
11408 (fini_ssa_operands): Print out clobber stats.
11409 (get_call_expr_operands): Pass callee fndecl to
11410 add_call_read_ops).
11411 (add_call_clobber_ops): Remove use of cache.
11412 Add use of PURE_CONST information.
11413 (add_call_read_ops): Remove use of cache.
11414 Add use of static not_read information.
11416 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11418 Introduce TLS descriptors for i386 and x86_64.
11419 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11420 (TARGET_ANY_GNU_TLS): New macro.
11421 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11422 (struct machine_function): Add tls_descriptor_call_expanded_p.
11423 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11424 (ix86_current_function_calls_tls_descriptor): Likewise.
11425 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11426 (override_options): Introduce gnu2 tls dialect.
11427 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11429 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11431 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11432 (ix86_init_machine_status): Initialize new field.
11433 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11434 (ix86_tls_module_base): New.
11435 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11436 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11437 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11438 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11439 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11440 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11441 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11442 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11443 * config/i386/predicates.md (tls_modbase_operand): New.
11444 (tp_or_register_operand): New.
11446 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11448 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11449 (look_for_address_of): Ditto.
11450 (ipa_init): Walk the function decls.
11451 (static_execute): Don't set readonly on FUNCTION_DECL's.
11453 2006-01-18 Roger Sayle <roger@eyesopen.com>
11455 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11456 for shifts where the source and destination registers are different.
11458 2006-01-18 Paul Brook <paul@codesourcery.com>
11460 Merge from csl-arm-branch.
11461 2005-03-14 Julian Brown <julian@codesourcery.com>
11462 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11463 (aeabi_llsl): Likewise.
11464 (ashrdi3): Likewise.
11465 (aeabi_lasr): Likewise.
11466 (lshrdi3): Likewise.
11467 (aeabi_llsr): Likewise.
11468 2005-03-10 Julian Brown <julian@codesourcery.com>
11469 * config.gcc: Disable shared libgcc for SymbianOS.
11470 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11472 2006-01-18 DJ Delorie <dj@redhat.com>
11474 * c-pragma.c (handle_pragma_diagnostic): New.
11475 (init_pragma): Register it.
11476 * doc/extend.texi: Document it.
11478 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11479 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11480 (diagnostic_context): Add classify_diagnostic[].
11481 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11482 as errors if they're overridden to DK_WARNING.
11483 (diagnostic_initialize): Initialize classify_diagnostic[].
11484 (diagnostic_set_kind_override): New.
11485 (diagnostic_report_diagnostic): Check for kind changes.
11486 * opts.c (common_handle_option): Take lang_mask. Update callers.
11487 Handle OPT_Werror_.
11488 * common.opt (Werror=): New.
11489 * doc/invoke.texi: Document -Werror=*
11491 2006-01-18 Jeff Law <law@redhat.com>
11493 * tree-vrp.c (test_for_singularity): Correct test for new
11494 min limit. Use operand_equal_p rather than pointer equality
11495 for testing if new min/max values are equal.
11497 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11498 using range information until after propagation and folding.
11500 2006-01-18 Richard Henderson <rth@redhat.com>
11501 Aldy Hernandez <aldyh@redhat.com>
11502 Jakub Jelinek <jakub@redhat.com>
11503 Diego Novillo <dnovillo@redhat.com>
11505 * omp-low.c: New file.
11506 * c-omp.c: New file.
11508 2006-01-18 Richard Henderson <rth@redhat.com>
11509 Jakub Jelinek <jakub@redhat.com>
11510 Diego Novillo <dnovillo@redhat.com>
11512 * doc/invoke.texi: Document -fopenmp.
11513 * tree-dump.h (debug_function): Declare.
11514 * hooks.c (hook_bool_tree_bool_false): New function.
11515 (hook_tree_tree_null): Remove.
11516 (hook_tree_tree_tree_null): New.
11517 * hooks.h: Update to match.
11518 * tree-pretty-print.c (debug_tree_chain): New.
11519 (print_generic_expr): Handle TDF_CHAIN.
11520 (dump_generic_node): Handle BLOCK.
11521 Do not abort with incomplete SWITCH_EXPRs.
11522 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11523 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11524 print space after directive name.
11525 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11526 Handle OMP_MASTER and OMP_ORDERED.
11527 Handle printing of OMP_BODY just in one place, goto
11528 dump_omp_body in the rest of OMP_* nodes that have
11530 Don't handle clause nodes here. Update omp statements to
11531 use dump_omp_clauses.
11532 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11533 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11534 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11535 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11536 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11537 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11538 Adjust output for GOMP_PARALLEL.
11539 (dump_omp_clauses): New.
11540 (print_declaration): Dump DECL_VALUE_EXPR.
11541 (op_symbol_1): Split out of op_symbol.
11542 (dumping_stmts): Remove. Update all users.
11543 * cgraph.c (cgraph_analyze_queue): New.
11544 (cgraph_add_new_function): New.
11545 * cgraph.h (cgraph_analyze_queue): Declare.
11546 (cgraph_add_new_function): Declare.
11547 (cgraph_lower_function): Remove.
11548 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11549 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11550 and TYPE_P nodes in its default clause.
11551 (empty_body_p): New.
11552 (tree_range_check_failed): New.
11553 (build5_stat): New.
11554 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11555 OMP_CLAUSE_REDUCTION_MERGE,
11556 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11557 OMP_CLAUSE_PRIVATE_DEBUG,
11558 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11559 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11560 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11561 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11562 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11563 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11564 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11565 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11566 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11567 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11568 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11569 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11570 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11571 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11572 (TREE_RANGE_CHECK): New.
11573 (empty_body_p): Declare.
11574 (enum omp_clause_default_kind): New.
11575 (build_string_literal): Declare.
11576 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11577 (build5_stat, build5): Declare.
11578 * tree-pass.h (TDF_CHAIN): Define.
11579 * tree-pass.h (PROP_gimple_lomp): Define.
11580 (pass_lower_omp): Declare.
11581 * diagnostic.h (debug_tree_chain): Declare.
11582 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11584 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11585 * builtins.c (build_string_literal): Make extern.
11586 * gcc.c (include_spec_function): New.
11587 (static_spec_functions): Add it.
11588 (main): Move load of libgomp.spec ...
11589 (LINK_COMMAND_SPEC): ... here.
11590 (link_gomp_spec): New.
11591 (static_specs): Include it.
11592 (LINK_COMMAND_SPEC): Add link_gomp.
11593 (GOMP_SELF_SPECS): New.
11594 (driver_self_specs): Include it.
11595 (switch_matches): Don't mark inline.
11596 (main): Load libgomp.spec.
11597 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11598 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11599 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11600 * tree-gimple.h (enum omp_parallel): Declare.
11601 (determine_parallel_type): Declare.
11602 (omp_firstprivatize_variable): Declare.
11603 (omp_reduction_init): Declare.
11604 (diagnose_omp_structured_block_errors): Declare.
11605 (struct walk_stmt_info): Add want_return_expr.
11606 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11607 (find_omp_clause): Declare.
11608 (insert_field_into_struct): Declare.
11609 (struct walk_stmt_info): Move from tree-nested.c
11610 (walk_stmts): Declare.
11611 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11613 * cgraphunit.c (cgraph_lower_function): Make static.
11614 (cgraph_finalize_pending_functions): New.
11615 (cgraph_finalize_function): Call it.
11616 (cgraph_finalize_compilation_unit): Likewise.
11617 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11618 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11619 (BT_FN_UINT_UINT): New.
11620 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11621 DEF_FUNCTION_TYPE_VAR_4): Document.
11622 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11623 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11624 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11625 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11626 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11627 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11628 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11629 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11630 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11631 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11632 into separate files.
11633 (DEF_GOMP_BUILTIN): New.
11634 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11635 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11636 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11637 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11638 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11639 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11640 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11641 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11642 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11643 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11644 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11645 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11646 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11647 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11648 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11649 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11650 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11651 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11652 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11653 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11654 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11655 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11656 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11657 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11658 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11659 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11660 * sync-builtins.def: New file, moved from builtins.def.
11661 * omp-builtins.def: New file, moved from builtins.def.
11662 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11663 * gimple-low.c (lower_function_body): Clear data.
11664 (lower_stmt): Do not handle COMPOUND_EXPR.
11665 Remove call to print_node_brief.
11666 * c-tree.h (c_finish_omp_clauses): New prototype.
11667 (C_DECL_THREADPRIVATE_P): Define.
11668 (lookup_name_no_remap, c_omp_remap_private): Remove
11669 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11670 (check_for_loop_decls): Update decl.
11671 (lookup_name_no_remap, c_omp_remap_private): Declare.
11672 (build_indirect_ref, build_modify_expr, pushdecl,
11673 pushdecl_top_level): Move to c-common.h.
11674 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11675 before the switch, but just in the 2 places that need it.
11676 * c-decl.c (diagnose_mismatched_decls): Do not check for
11677 mismatched thread-local attributes when OLDDECL is marked
11678 threadprivate and NEWDECL has no thread-local attributes.
11679 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11680 (c_gimple_diagnostics_recursively): Rename from
11681 c_warn_unused_result_recursively. Invoke
11682 diagnose_omp_structured_block_errors.
11683 (check_for_loop_decls): Return a singular decl found.
11684 * langhooks.c (lhd_omp_predetermined_sharing): Return
11685 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11686 (lhd_omp_firstprivatize_type_sizes): New.
11687 (lhd_omp_assignment): New.
11688 (lhd_omp_predetermined_sharing): New.
11689 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11690 (struct lang_hooks_for_types): Add
11691 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11692 omp_predetermined_sharing, omp_disregard_value_expr,
11693 omp_private_debug_clause, omp_clause_default_ctor,
11694 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11695 (c_finish_omp_clauses): New.
11696 (c_finish_bc_stmt): Diagnose break within omp for.
11697 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11698 (build_unary_op): Return error_mark after reporting
11700 (build_modify_expr): Likewise.
11701 * gimplify.c: Include optabs.h and pointer-set.h.
11702 (enum gimplify_omp_var_data): Declare.
11703 (struct gimplify_omp_ctx): Declare.
11704 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11706 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11707 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11708 (splay_tree_compare_decl_uid): New.
11709 (new_omp_context): New.
11710 (delete_omp_context): New.
11711 (gimple_add_tmp_var): Call omp_add_variable.
11712 (gimplify_bind_expr): Likewise.
11713 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11714 true, disregard DECL_VALUE_EXPR on the decl if any.
11715 (gimplify_expr_in_ctx): New.
11716 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11717 omp_add_variable, omp_notice_variable, omp_is_private
11718 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11719 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11720 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11721 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11722 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11723 gimplify_omp_atomic): New.
11724 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11725 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11726 OMP_CRITICAL and OMP_ATOMIC.
11727 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11728 * c-pragma.h (enum pragma_kind): Add
11729 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11730 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11731 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11732 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11733 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11734 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11735 PRAGMA_OMP_THREADPRIVATE.
11736 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11737 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11738 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11739 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11740 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11741 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11742 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11743 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11744 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11745 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11746 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11747 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11748 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11750 (struct nesting_info): Add field_map,
11751 suppress_expansion, debug_var_chain.
11752 (create_nesting_tree): Initialize them.
11753 (lookup_field_for_decl): Use field_map.
11754 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11755 (convert_local_omp_clauses): New.
11756 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11757 (walk_body): Split out of walk_function.
11758 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11759 (convert_nonlocal_reference): Handle omp statements.
11760 (convert_local_reference): Likewise.
11761 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11762 (unnest_nesting_tree): New.
11763 (lower_nested_functions): Call it.
11764 (insert_field_into_struct): Make extern.
11765 (struct walk_stmt_info): Move to tree-gimple.h.
11766 (walk_stmts): Make extern.
11767 * omp-builtins.def: New file.
11768 * tree-iterator.c (expr_only): Clarify comment.
11769 * c-common.h (pushdecl_top_level, pushdecl,
11770 build_modify_expr, build_indirect_ref,
11771 c_finish_omp_master, c_finish_omp_critical,
11772 c_finish_omp_ordered, c_finish_omp_barrier,
11773 c_finish_omp_atomic, c_finish_omp_flush,
11774 c_finish_omp_for, c_split_parallel_clauses,
11775 omp_clause_default_kind, c_omp_sharing_predetermined,
11776 c_omp_remap_decl): Declare.
11777 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11778 (OBJS-common): Add omp-low.o.
11779 (c-omp.o, omp-low.o): Add.
11780 (gimplify.o): Add dependency on $(OPTABS_H).
11781 (GTFILES): Add omp-low.c.
11782 (gt-stringpool.h): Add.
11783 * tree-cfg.c (set_bb_for_stmt): Do not update the
11784 block-to-labels map if we are currently expanding to RTL.
11785 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11787 Handle IDENTIFIER_NODE.
11788 (tree_verify_flow_info): Do not ICE when emitting error
11789 messages about invalid labels.
11790 (dump_function_to_file): Reset CFUN before emitting the body
11792 (debug_function): New.
11793 * passes.c (init_optimization_passes): Schedule
11795 * langhooks-def.h (lhd_omp_predetermined_sharing,
11796 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11798 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11799 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11800 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11801 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11802 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11803 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11804 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11805 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11806 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11807 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11808 (LANG_HOOK_DECLS): Use them.
11810 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11811 Richard Henderson <rth@redhat.com>
11812 Jakub Jelinek <jakub@redhat.com>
11813 Diego Novillo <dnovillo@redhat.com>
11815 * c-parser.c (pragma_omp_clause): Define.
11816 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11817 (c_parser_compound_statement): Likewise.
11818 (c_parser_statement): Likewise.
11819 (c_parser_pragma): Handle omp pragmas.
11820 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11821 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11822 (c_parser_omp_clause_name, check_no_duplicate_clause,
11823 c_parser_omp_variable_list,
11824 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11825 c_parser_omp_clause_copyprivate,
11826 c_parser_omp_clause_default,
11827 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11828 c_parser_omp_clause_lastprivate,
11829 c_parser_omp_clause_nowait,
11830 c_parser_omp_clause_num_threads,
11831 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11832 c_parser_omp_clause_reduction,
11833 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11834 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11835 c_parser_omp_atomic, c_parser_omp_barrier,
11836 c_parser_omp_critical, c_parser_omp_flush,
11837 c_parser_omp_for_loop, c_parser_omp_for,
11838 c_parser_omp_master, c_parser_omp_ordered,
11839 c_parser_omp_sections_scope, c_parser_omp_sections,
11840 c_parser_omp_parallel, c_parser_omp_single,
11841 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11842 * c-pragma.c (init_pragma): Do omp pragma registration here.
11843 * c.opt (fopenmp): New flag.
11845 2006-01-18 Eric Christopher <echristo@apple.com>
11847 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11848 * config/darwin.h (GOMP_SELF_SPECS): Define.
11850 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11852 * rtl.h: Remove the prototype for reg_alloc.
11854 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11857 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11858 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11859 sjlj and dwarf2 exception handling.
11860 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11861 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11862 * pa/pa.c (function_value): Treat complex and vector types as
11864 (function_arg): Likewise. Only pass scalar floats in the floating
11865 point argument registers.
11866 * pa/t-slibgcc-dwarf-ver: New file.
11867 * pa/t-slibgcc-sjlj-ver: New file.
11868 * pa/t-slibgcc-elf-ver: Delete file.
11870 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11872 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11873 unlikely_test_section_p test.
11875 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11877 * mode-switching.c (optimize_mode_switching): Make it static.
11878 * basic-block.h: Remove the prototype for
11879 optimize_mode_switching.
11881 * modulo-sched.c (sms_schedule): Make it static.
11882 * rtl.h: Remove the prototype for sms_schedule.
11884 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11885 * rtl.h: Remove the prototype for gcse_after_reload_main.
11887 * reg-stack.c (reg_to_stack): Make it static.
11888 * rtl.h: Remove the prototype for reg_to_stack.
11890 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11892 * rtl.h: Remove the prototypes for regrename_optimize and
11893 copyprop_hardreg_forward.
11895 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11897 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11898 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11899 Test against the appropriate null constant for the mode.
11900 If 'fixup_overlap' is true, swap the operands if they overlap.
11901 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11902 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11903 alpha_split_tmode_pair and adjust for above change.
11904 * config/alpha/alpha.md (movtf_internal): Adjust call to
11905 alpha_split_tfmode_pair and rely on it to swap the operands.
11906 (movti_internal): New insn and post-reload splitter.
11907 (movti): New expander.
11909 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11911 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11914 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11916 * rtlanal.c (global_reg_mentioned_p_1,
11917 global_reg_mentioned_p): Remove.
11918 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11920 * flow.c (initialize_uninitialized_subregs): Make it static.
11921 * rtl.h: Remove the prototype for
11922 initialize_uninitialized_subregs.
11924 * function.c (instantiate_virtual_regs): Make it static.
11925 * function.h: Remove the prototype for
11926 instantiate_virtual_regs.
11928 * regmove.c (regmove_optimize, combine_stack_adjustments):
11930 * rtl.h: Remove the prototypes for regmove_optimize and
11931 combine_stack_adjustments.
11933 2006-01-17 Roger Sayle <roger@eyesopen.com>
11935 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11936 (size_cost): Encode costs in bytes so that a reg-reg addition is
11937 equivalent to COSTS_N_INSNS(1).
11938 (override_options): Use the size_cost.branch_cost as the default
11939 ix86_branch_cost when optimizing for size.
11941 2006-01-18 Ben Elliston <bje@au.ibm.com>
11943 * Makefile.in (D32PBIT_FUNCS): New.
11944 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11945 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11946 D64PBIT_FUNCS and D128PBIT_FUNCS.
11947 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11948 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11950 (decnumber_dep): Define.
11951 * doc/libgcc.texi (Decimal float library routines): New node.
11952 * config/dfp-bit.h, config/dfp-bit.c: New files.
11954 2006-01-18 Ben Elliston <bje@au.ibm.com>
11956 * expr.c (emit_move_change_mode): Always adjust addresses, not
11957 just during reload. Copy replacements only during reload.
11958 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11959 emit_move_via_integer.
11961 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11963 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11964 instead of $(srcdir) and ${srcdir}.
11966 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11969 PR middle-end/11135
11970 * arm.h (struct machine_function): Add pic_reg.
11971 * arm.c (arm_pic_register): Make unsigned.
11972 (arm_override_options): Only set arm_pic_register if
11973 TARGET_SINGLE_PIC_BASE.
11974 (use_return_insn): Only test for a pic register if it is fixed.
11975 (arm_compute_save_reg0_reg12_mask): Likewise.
11976 (thumb_compute_save_reg_mask): Likewise.
11977 (legitimate_pic_operand): Factor out some known invariants.
11978 (legitimize_pic_address): If we don't have a fixed pic register,
11979 then set up a pseudo in the function entry sequence. Handle the
11980 pic base being in a pseudo.
11981 (arm_load_pic_register): Handle the pic register being in a pseudo.
11982 (arm_expand_prologue): Only set up the pic register if it is fixed.
11983 (thumb_expand_prologue): Likewise.
11984 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11985 (pic_load_addr_based_insn): Likewise.
11986 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11989 2006-01-18 Ben Elliston <bje@au.ibm.com>
11991 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11992 decimal float modes for all floating point registers.
11994 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11995 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11997 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12000 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12001 even when the pointer is not NULL.
12003 2006-01-16 Ian Lance Taylor <ian@airs.com>
12005 * common.opt (ftoplevel-reorder): New option.
12006 * cgraph.c (cgraph_asm_nodes): New global variable.
12007 (cgraph_asm_last_node): New static variable.
12008 (cgraph_order): New global variable.
12009 (cgraph_create_node): Set new order field.
12010 (cgraph_varpool_node): Likewise.
12011 (decide_is_variable_needed): Return true if not
12012 flag_toplevel_reorder.
12013 (cgraph_add_asm_node): New function.
12014 * cgraph.h (struct cgraph_node): Add order field.
12015 (struct cgraph_varpool_node): Add order field.
12016 (struct cgraph_asm_node): Define.
12017 (cgraph_asm_nodes, cgraph_order): Declare.
12018 (cgraph_add_asm_node): Declare.
12019 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12021 (cgraph_varpool_assemble_pending_decls): Call it.
12022 (cgraph_output_pending_asms): New static function.
12023 (cgraph_finalize_compilation_unit): Call it.
12024 (struct cgraph_order_sort): Define.
12025 (cgraph_output_in_order): New static function.
12026 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12027 !flag_toplevel_reorder case.
12028 * c-parser.c: Include "cgraph.h".
12029 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12031 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12032 than -fno-unit-at-a-time.
12033 * doc/invoke.texi (Option Summary): Mention
12034 -fno-toplevel-reorder.
12035 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12036 -funit-at-a-time documentation.
12038 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12039 Kazu Hirata <kazu@codesourcery.com>
12041 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12043 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12045 * Makefile.in (FUNCTION_H): New. Use it instead of
12046 function.h throughout the file.
12047 * function.h: Include tree.h.
12049 2006-01-17 Ben Elliston <bje@au.ibm.com>
12051 * recog.c: Separate some functions with whitespace.
12053 2006-01-16 Richard Henderson <rth@redhat.com>
12055 Merge from gomp branch:
12056 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12057 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12058 and rename from struct inline_data. Rename callee* to dst*;
12059 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12060 transform_new_cfg, transform_return_to_modify, and
12061 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12063 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12064 (copy_decl_for_dup): Remove.
12065 * tree-inline.c (struct inline_data): Move to header.
12066 (insert_decl_map): Export.
12067 (remap_decl): Update for member name changes. Use copy_decl hook.
12068 Allow for replacement to be a non-decl. Remove dead code.
12069 (remap_type_1): Check for existing mapping.
12070 (remap_type): Export.
12071 (remap_decls): Update for member name changes.
12072 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12073 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12074 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12075 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12076 (tree_function_versioning, build_duplicate_type): Likewise.
12077 (copy_body_r): Likewise. Export.
12078 (copy_decl_for_dup): Split into ...
12079 (copy_decl_for_dup_finish, copy_decl_to_var,
12080 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12081 (replace_ref_tree, inlining_p): Remove.
12083 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12085 * ifcvt.c (if_convert): Make it static.
12086 * rtl.h: Remove the prototype for if_convert.
12088 * local-alloc.c (local_alloc): Make it static.
12089 * rtl.h: Remove the prototype for local_alloc.
12091 * loop.c (loop_optimize): Make it static.
12092 * cfgloop.h: Remove the prototype for loop_optimize.
12095 2006-01-16 DJ Delorie <dj@redhat.com>
12097 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12100 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12102 * pa.md: Disparage copies between general and floating-point registers
12103 in 32-bit move patterns.
12105 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12108 * Makefile.in (check-%): Depend on site.exp instead of
12109 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12112 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12114 * global.c (global_alloc): Make it static.
12115 * rtl.h: Remove the prototype for global_alloc.
12117 2006-01-16 Richard Guenther <rguenther@suse.de>
12119 * tree-ssa-alias.c (struct used_part): Add write_only field.
12120 (get_or_create_used_part_for): Initialize it to true.
12121 (create_overlap_variables_for): Don't create structure variables
12122 for structures that only are written to.
12123 (find_used_portions): Handle MODIFY_EXPR to track whether a
12124 structure is only written to.
12126 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12128 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12130 * basic-block.h: Remove the prototype for
12131 partition_hot_cold_basic_blocks.
12133 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12135 * cppspec.c (lang_specific_spec_functions): Remove.
12136 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12137 * gcc.h (lang_specific_spec_functions): Remove.
12138 * gccspec.c (lang_specific_spec_functions): Remove.
12140 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12142 * combine.c (record_value_for_reg): Invalidate registers
12144 (record_dead_and_set_regs_1): Likewise, by passing them to
12145 record_value_for_reg.
12146 (record_dead_and_set_regs): Invalidate stores made by a
12147 call. We do not combine across a call, but we still
12148 relied on equivalences.
12150 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12152 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12153 vrp_int_const_binop returning non-constant nodes.
12155 2006-01-16 Paul Brook <paul@codesourcery.com>
12157 * config/m68k/m68k.c (output_move_const_into_data_reg):
12158 Output correct mnemonic for mvz and mvs.
12160 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12162 * rtl-factoring.c: Add sequence abstraction algorithm.
12163 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12164 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12166 (block_has_preserve_label): New function.
12167 * common.opt: Register new pass.
12168 * Makefile.in: Ditto.
12170 * timevar.def: Ditto.
12171 * tree-pass.h: Ditto.
12172 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12173 * rtl.h (make_jump_insn_raw): Add forward decl.
12174 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12176 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12177 Roger Sayle <roger@eyesopen.com>
12179 * fold-const.c (fold_minmax): New static function.
12180 (fold_binary) <MIN_EXPR>: Call it.
12181 <MAX_EXPR>: Likewise.
12182 * stor-layout.c (place_field): Use DECL_SIZE consistently
12183 in the computation of the new record size.
12185 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12187 * cse.c (cse_condition_code_reg): Make it static.
12188 * rtl.h: Remove the prototype for cse_condition_code_reg.
12190 * combine.c (combine_instructions): Make it static.
12191 * rtl.h: Remove the prototype for combine_instructions.
12193 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12196 * tree.c (get_file_function_name_long): Concatenate the first global
12197 object name with a string derived from the input filename of the object
12200 2006-01-16 Ben Elliston <bje@au.ibm.com>
12202 * config/i386/winnt-stubs.c: Update FSF address.
12203 * config/xtensa/ieee754-df.S: Ditto.
12204 * config/xtensa/ieee754-sf.S: Ditto.
12206 2006-01-14 Ian Lance Taylor <ian@airs.com>
12208 * ifcvt.c (noce_init_if_info): New static function, broken out of
12209 noce_process_if_block.
12210 (noce_process_if_block): Call noce_init_if_info.
12211 (check_cond_move_block): New static function.
12212 (cond_move_process_if_block): New static function.
12213 (process_if_block): Call cond_move_process_if_block.
12215 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12217 * cselib.c (hash_table): Rename to cselib_hash_table.
12218 (cselib_clear_table, discard_useless_values,
12219 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12220 cselib_init, cselib_finish): Adjust uses of hash_table.
12222 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12224 PR tree-optimization/25485
12225 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12226 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12227 is known to be false and true, respectively.
12229 2006-01-14 Richard Guenther <rguenther@suse.de>
12231 PR tree-optimization/22548
12232 PR tree-optimization/22555
12233 PR tree-optimization/22501
12234 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12235 * params.def (salias-max-array-elements): New parameter.
12236 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12237 * doc/invoke.texi (salias-max-array-elements): Document.
12238 * tree-flow-inline.h (var_can_have_subvars): We also handle
12240 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12242 * tree-ssa-structalias.c (params.h): Include.
12243 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12244 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12245 (get_constraint_for): For ADDR_EXPR operating on something
12246 containing an ARRAY_REF, add all subvars to the solution.
12247 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12248 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12249 for creating MUST_DEFs.
12250 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12252 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12254 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12256 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12257 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12258 number_of_iterations_le): New functions.
12259 (number_of_iterations_special): Removed.
12260 (number_of_iterations_exit): Do not use number_of_iterations_special.
12261 * tree.c (unsigned_type_for): Always return integer type.
12263 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12264 Richard Guenther <rguenther@suse.de>
12266 PR rtl-optimization/24257
12267 * gcse.c (find_moveable_store): Only consider a store movable
12268 when the SET_SRC of the insn can be assigned to a register.
12270 2006-01-14 Ian Lance Taylor <ian@airs.com>
12272 * tree.c (tree_not_class_check_failed): New function.
12273 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12274 (tree_not_class_check_failed): Declare.
12276 2006-01-13 Ian Lance Taylor <ian@airs.com>
12278 * reload1.c (do_output_reload): Add assertion rejecting a
12281 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12283 * combine.c (struct reg_stat): Add new fields truncation_label and
12285 (record_value_for_reg): Reset truncated_to_mode.
12286 (record_truncated_value): New function.
12287 (check_promoted_subreg): Call it. Rename to check_conversions.
12288 (combine_instructions): Rename check_promoted_subreg to
12290 (reg_truncated_to_mode): New function.
12291 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12292 (gen_lowpart_or_truncate): New function.
12293 (force_to_mode): Use it instead of gen_lowpart.
12295 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12297 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12298 VAR is a tag, not its type tag.
12300 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12302 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12303 alternatives to match style of other entries.
12304 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12306 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12308 PR tree-optimization/25771
12309 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12312 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12315 * tree-inline.c (declare_return_variable): If the return variable
12316 was marked as a non gimple complex, set the return slot variable
12317 to be a non gimple comple variable.
12319 2006-01-13 Richard Guenther <rguenther@suse.de>
12321 * builtins.c (expand_builtin_sincos): New function.
12322 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12324 (expand_builtin): Expand sincos using expand_builtin_sincos.
12326 2006-01-12 DJ Delorie <dj@redhat.com>
12328 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12329 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12330 so that constant shifts can be split.
12331 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12332 (m32c_valid_pointer_mode): Make static.
12333 (shift_gen_func_for): New.
12334 (m32c_prepare_shift): Use it. Split large const shifts into
12336 * config/m32c/predicates.md (shiftcount_operand): Allow more
12338 (longshiftcount_operand): New.
12339 * doc/md.texi (Machine Constraints): Document In6.
12341 2006-01-13 Ben Elliston <bje@au.ibm.com>
12343 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12344 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12347 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12349 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12350 to try to avoid clobbering pieces of structures when we know
12351 something about the whole structure.
12352 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12354 2006-01-13 Ben Elliston <bje@au.ibm.com>
12356 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12357 return in memory, as this is no limitation is no longer present.
12359 2006-01-12 DJ Delorie <dj@redhat.com>
12361 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12362 mova with fb, and for fb+0 -> An.
12364 * config/m32c/mov.md (peephole2): Fix enabling logic.
12366 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12367 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12368 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12369 FINI_ARRAY_SECTION_ASM_OP): Define.
12371 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12373 (m32c_legitimize_reload_address): New logic to reload FB to An.
12374 (m32c_output_reg_push): Add newline.
12375 (m32c_output_reg_pop): Likewise.
12377 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12379 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12381 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12383 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12385 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12387 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12390 2006-01-11 Ben Elliston <bje@au.ibm.com>
12392 * rtlanal.c (find_reg_note): Assert insn is not null.
12394 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12396 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12399 2006-01-11 Jeff Law <law@redhat.com>
12401 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12403 (mark_threaded_blocks, register_jump_thread): New functions.
12404 (thread_through_all_blocks): Remove unwanted argument. No
12405 longer rely on e->aux to communicate thread target info.
12406 Call mark_threaded_blocks. Release the threaded_blocks
12407 bitmap and threaded_edges vector when complete.
12408 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12409 (threaded_blocks): Remove.
12410 (tree_ssa_dominator_optimize): Remove initialization and
12411 finalization of threaded_blocks. Simplify call to
12412 thread_through_all_blocks.
12413 (thread_across_edge): Call register_jump_thread rather than
12414 storing thread information into e->aux.
12415 (free_all_edge_infos): Simplify now that e->aux is no longer
12416 used to communicate with thread_through_all_blocks.
12417 * tree-flow.h (thread_through_all_blocks): Update prototype.
12418 (register_jump_thread): Prototype.
12420 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12422 * df-core.c (df_compact_blocks, df_bb_replace): Use
12423 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12425 2006-01-11 Richard Guenther <rguenther@suse.de>
12427 PR tree-optimization/25734
12428 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12429 stop propagation after successful propagation to the LHS.
12431 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12433 * basic-block.h (control_flow_graph): Change the type of
12434 x_basic_block_info to VEC(basic_block,gc) *.
12435 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12437 (SET_BASIC_BLOCK): New.
12438 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12439 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12440 * cfgbuild.c (find_basic_blocks): Likewise.
12441 * cfglayout.c (fixup_reorder_chain): Likewise.
12442 * cfgrtl.c (create_basic_block_structure,
12443 rtl_create_basic_block): Likewise.
12444 * ifcvt.c (find_if_case_1): Likewise.
12445 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12448 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12450 * Makefile.in: Removed rotted odf.c entry.
12452 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12455 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12456 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12457 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12458 output pattern modifier, not %e.
12459 * config/cris/cris.c (cris_op_str): Update comment about pattern
12461 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12462 before falling through into...
12463 <case 'E'>: Redefined from old 'e' case.
12465 2006-01-11 Jan Hubicka <jh@suse.cz>
12468 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12470 2006-01-11 Jan Hubicka <jh@suse.cz>
12472 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12473 * i386.c (x86_decompose_lea): Kill.
12474 (ix86_rtx_costs): Kill.
12476 2006-01-11 Jan Hubicka <jh@suse.cz>
12478 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12479 * cgraph.h (cgraph_node): Add inline_decl.
12480 (cgraph_insert_node_to_hashtable): Declare.
12481 (save_inline_function_body): Declare.
12482 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12484 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12485 (cgraph_function_versioning): Update call of tree_function_versioning.
12486 (save_inline_function_body): New function.
12487 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12488 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12489 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12490 (cgraph_default_inline_p): Likewise.
12491 (cgraph_decide_inlining_incrementally): Likewise.
12492 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12493 (copy_bb): Kill saving; do updating of clones.
12494 (copy_cfg_body): Kill saving.
12495 (initialize_inlined-parameters): Likewise.
12496 (expand_call_inline): Likewise.
12498 (tree_function_versioning): New parameter "update_clones".
12499 (inlining_p): Kill saving.
12500 * tree-inline.h (tree_function_versioning): Update prototype.
12501 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12504 2006-01-11 Ian Lance Taylor <ian@airs.com>
12506 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12507 Allow undoing set of machine mode.
12508 (do_SUBST): Use enums instead of is_int.
12509 (do_SUBST_MODE): New function.
12510 (SUBST_MODE): New macro.
12511 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12512 reg and trying to replace reg_regno_rtx with a new register.
12513 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12514 (simplify_set): Use SUBST_MODE.
12515 (distribute_notes): Remove code that tried to update reg notes
12516 for regno_reg_rtx changes.
12518 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12520 PR tree-optimization/23109
12521 PR tree-optimization/23948
12522 PR tree-optimization/24123
12524 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12525 * tree-cfg.c (single_noncomplex_succ): New.
12526 * tree-flow.h (single_noncomplex_succ): Declare it.
12527 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12528 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12529 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12530 insert_bb, register_division_in, insert_reciprocals,
12531 replace_reciprocal, free_bb): New.
12532 (execute_cse_reciprocals_1): Rewritten.
12533 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12534 Do not commit any edge insertion. Always compute dominators and
12535 create the allocation pool.
12536 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12537 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12538 * targhooks.c (default_min_divistions_for_recip_mul): New.
12539 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12540 * passes.c (init_optimization_passes): Run recip after tree loop
12542 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12544 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12545 Kenneth Zadeck <zadeck@naturalbridge.com>
12547 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12548 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12549 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12550 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12551 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12552 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12553 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12554 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12555 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12556 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12557 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12558 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12559 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12560 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12561 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12562 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12563 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12564 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12565 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12566 DF_SCAN_POST_ALLOC): New macros.
12567 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12568 df_free_bb_function, df_local_compute_function, df_init_function,
12569 df_dataflow_function, df_confluence_function_0,
12570 df_confluence_function_n, df_transfer_function,
12571 df_finalizer_function, df_free_function, df_dump_problem_function,
12572 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12573 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12574 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12575 df_urec_bb_info, ) New types.
12576 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12578 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12579 df_analyze_simple_change_some_blocks,
12580 df_analyze_simple_change_one_block, df_compact_blocks,
12581 df_bb_replace, df_bb_regno_last_use_find,
12582 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12583 df_insn_regno_def_p, df_find_def, df_find_use,
12584 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12585 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12586 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12587 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12588 debug_df_chain, df_get_dependent_problem, df_chain_create,
12589 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12590 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12591 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12592 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12593 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12594 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12595 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12596 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12597 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12598 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12599 df_reorganize_refs, df_set_state, df_hard_reg_init,
12600 df_read_modify_subreg_p) New public functions.
12601 * df-core.c: The core dataflow solver and glue routines for rtl
12603 (df_init, df_add_problem, df_set_blocks, df_finish,
12604 df_hybrid_search_forward, df_hybrid_search_backward,
12605 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12606 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12607 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12608 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12609 df_reg_defined, df_find_use, df_reg_used, df_dump,
12610 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12611 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12612 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12613 debug_df_useno, reset_df_after_reload): New functions.
12614 * df-scan.c: The scanning fuctions, once in df.c, completely
12615 rewritten so that they now fully model the functionality of
12616 register usage at the backend.
12617 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12618 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12619 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12620 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12621 df_get_artificial_defs, df_get_artificial_uses,
12622 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12623 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12624 df_refs_delete, df_reorganize_refs, df_set_state,
12625 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12626 df_def_record_1, df_defs_record, df_uses_record,
12627 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12628 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12629 df_record_exit_block_uses, df_hard_reg_init): New functions.
12631 * df-problems.c: Seven concrete dataflow problems that use the
12632 scanning in df-scan.c and are solved by the engine in df-core.c.
12633 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12634 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12635 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12636 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12637 df_ru_free_bb_info, df_ru_alloc,
12638 df_ru_bb_local_compute_process_def,
12639 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12640 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12641 df_ru_transfer_function, df_ru_free, df_ru_dump,
12642 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12643 df_rd_free_bb_info, df_rd_alloc,
12644 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12645 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12646 df_rd_transfer_function, df_rd_free, df_rd_dump,
12647 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12648 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12649 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12650 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12651 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12652 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12653 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12654 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12655 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12656 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12657 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12658 df_urec_mark_reg_use_for_earlyclobber,
12659 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12660 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12661 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12662 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12663 df_chain_create_bb_process_use, df_chain_create_bb,
12664 df_chain_finalize, df_chain_free, df_chains_dump,
12665 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12666 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12667 df_reg_lifetime): New functions.
12668 * df.c: Deleted file.
12669 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12670 consistent with new df api.
12671 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12672 rest_of_handle_sms): Ditto.
12673 * web.c (unionfind_union, union_defs, entry_register, web_main):
12675 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12676 invariant_expr_equal_p, find_defs, check_dependencies,
12677 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12678 free_inv_motion_data, move_loop_invariants): Ditto.
12679 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12680 Update dependencies.
12681 (odf.c): Added defective entry that was deleted later in day.
12682 * sched-deps.c (sched_analyze_1): Ditto.
12684 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12686 * tree-ssa-operands.c (get_expr_operands): Record addressable
12687 variables directly. Do not call add_stmt_operands for CONST_DECLs
12689 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12690 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12692 2006-01-11 Ben Elliston <bje@au.ibm.com>
12694 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12695 function returns true in the positive case.
12697 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12700 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12701 for SI, DI, SF and DF modes. Add alternatives to copy between
12702 general and floating point registers to the 32-bit patterns.
12703 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12704 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12705 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12706 generating 64-bit code.
12707 * config/pa/pa.c (output_move_double): Handle copies between general
12708 and floating registers.
12710 2006-01-10 Stuart Hastings <stuart@apple.com>
12712 * config/i386/i386.md (set_got): Update.
12713 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12714 (builtin_setjmp_receiver): Mach-O support.
12715 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12716 (GOT_SYMBOL_NAME): Define.
12717 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12718 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12719 * config/i386/i386.c (override_options): Revise for Darwin.
12720 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12721 support. (darwin_x86_file_end): New. (output_set_got): Add label
12722 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12723 * config/i386/i386-protos.h (output_set_got): Likewise.
12724 * config/darwin.c (machopic_legitimize_pic_address): Update
12727 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12729 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12730 when MODE isn't BLKmode.
12732 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12734 PR rtl-optimization/25367
12735 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12737 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12740 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12741 for a negative bound.
12743 2006-01-10 Richard Guenther <rguenther@suse.de>
12745 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12746 Never override with anything constraint.
12748 2006-01-10 Jan Beulich <jbeulich@novell.com>
12750 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12751 256 bits when optimize_size.
12753 2006-01-10 Jan Beulich <jbeulich@novell.com>
12755 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12757 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12758 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12761 2006-01-10 Ben Elliston <bje@au.ibm.com>
12763 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12765 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12766 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12767 (USE_FP_FOR_ARG): Reject decimal float modes.
12768 (function_arg_advance): Likewise.
12769 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12770 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12771 point types in AltiVec vectors.
12772 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12773 (rs6000_libcall_value): Likewise.
12775 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12777 * config/xtensa/ieee754-df.S: New file.
12778 * config/xtensa/ieee754-sf.S: New file.
12779 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12780 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12781 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12783 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12785 * config/sh/predicates.md (binary_float_operator,
12786 binary_logical_operator, commutative_float_operator,
12787 equality_comparison_operator, greater_comparison_operator,
12788 less_comparison_operator, logical_operator,
12789 noncommutative_float_operator, shift_operator,
12790 symbol_ref_operand, unary_float_operator): Remove redundant
12793 2006-01-09 Jeff Law <law@redhat.com>
12795 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12796 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12797 now unused arguments. Callers updated.
12798 (eliminate_redundant_computations): Remove now unused arguments,
12800 (local_fold): Remove, no longer used.
12801 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12803 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12804 (simplify_cond): New function.
12805 (forward_propagate_into_cond): Call simplify_cond.
12807 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12809 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12810 (*vec_extractv2di_1_sse): New.
12812 2006-01-09 Ben Elliston <bje@au.ibm.com>
12814 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12816 2006-01-08 Richard Guenther <rguenther@suse.de>
12818 * tree-ssa-structalias.c (get_constraint_for): Remove
12819 anyoffset argument.
12820 (get_constraint_for_component_ref): Likewise.
12821 (do_deref): Likewise.
12822 (get_constraint_for): Likewise.
12823 (do_structure_copy): Likewise.
12824 (handle_ptr_arith): Likewise.
12825 (find_func_aliases): Likewise. Remove unused need_anyoffset
12828 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12829 Kaz Kojima <kkojima@gcc.gnu.org>
12831 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12832 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12833 (EXTRA_CONSTRAINT_C16): Remove.
12834 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12835 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12836 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12837 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12838 constants of SHmedia. Handle nested constant expressions of
12840 (andcosts): Fix the costs for SHmedia constants.
12841 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12842 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12843 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12844 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12845 (movv4hi_i, movv2si_i): Likewise.
12846 (movsi_const): Adjust the second operand of ior so to match with
12847 the Csu constraint.
12848 (movdi_const, movdi_const_32bit): Likewise.
12849 (movdi_const_16bit+1): Don't sign-extend LOW.
12850 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12852 (*double_shori): Fix the split condition. Use GEN_INT instead
12853 of get_int_mode calls. Mask lower 16-bit of the argument of
12855 (sym2GOTPLT): Remove.
12856 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12858 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12859 instead of EXTRA_CONSTRAINT_C16.
12861 2006-01-07 Ian Lance Taylor <ian@airs.com>
12862 David Edelsohn <edelsohn@gnu.org>
12864 PR rtl-optimization/25662
12865 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12866 for constant operands instead of simplify_gen_binary.
12867 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12868 after trying simplify_binary_operation
12870 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12872 * tree.c (iterative_hash_expr): Hash decls based on UID.
12874 2006-01-06 Eric Christopher <echristo@apple.com>
12876 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12877 (TARGET_UNWIND_EMIT): Fix spelling.
12878 * target.h (gcc_target): Add except_table_label.
12879 * except.c (output_function_exception_table): Use.
12880 * varasm.c (default_emit_except_table_label): New.
12881 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12883 (asm_out): Add here.
12884 * output.h (default_emit_except_table_label): Prototype.
12885 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12886 * config/darwin.c (darwin_emit_except_table_label): Define.
12887 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12889 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12891 PR tree-optimization/18527
12892 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12893 number_of_iterations_special, number_of_iterations_exit):
12894 Move base and step of an iv to a single structure. Add
12895 no_overflow flag, and use it in # of iterations analysis.
12896 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12897 folded_casts argument.
12898 (simple_iv): Pass base and step in a structure. Set no_overflow
12900 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12901 Evaluate expensiveness of computing # of iterations instead of
12902 the final expression.
12903 * tree-scalar-evolution.h (affine_iv): New structure.
12904 (simple_iv): Declaration changed.
12905 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12906 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12907 find_givs_in_stmt): Changed due to simple_iv change.
12909 2006-01-06 Jeff Law <law@redhat.com>
12912 * tree-cfg.c (bsi_replace): Rename final argument from
12913 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12914 change (stmt -> orig_stmt).
12915 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12916 (bsi_remove): Add new argument. Remove EH information
12918 (verify_eh_throw_table_statements): New function.
12919 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12921 * tree-optimize.c (execute_free_cfg_annotations): Verify
12922 the EH throw statement table after removing annotations.
12923 * except.h (verify_eh_throw_table_statements): Prototype.
12924 * tree-flow.h (bsi_remove): Update prototype.
12925 * tree-vrp.c (remove_range_assertions): Add new argument to
12927 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12928 * tree-complex.c (expand_complex_div_wide): Likewise.
12929 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12930 * tree-tailcall.c (eliminate_tailcall): Likewise.
12931 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12932 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12933 * tree-nrv.c (tree_nrv): Likewise.
12934 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12935 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12936 (combine_blocks): Likewise.
12937 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12938 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12939 (cleanup_control_flow): Likewise.
12940 (remove_forwarder_block): Likewise.
12941 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12942 * tree-sra.c (sra_replace): Likewise.
12943 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12944 (forward_propagate_single_use_vars): Likewise.
12945 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12946 * tree-inline.c (expand_call_inline): Likewise.
12947 * tree-vect-transform.c (vect_transform_loop): Likewise.
12948 * tree-outof-ssa.c (rewrite_trees): Likewise.
12949 * tree-cfg.c (make_goto_expr_edges): Likewise.
12950 (cleanup_dead_labels): Likewise.
12951 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12952 (bsi_move_before, bsi_move_after): Likewise.
12953 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12954 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12956 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12959 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12961 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12962 on non gimple variables. Also add checks at the top for decls and
12964 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12966 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12967 and IMAGPART_EXPR for creating MUST_DEFs.
12968 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12969 and NAME_MEMORY_TAG separately from the DECLs.
12971 2006-01-06 Richard Guenther <rguenther@suse.de>
12973 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12974 annotation, if necessary.
12975 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12976 redundant calls to update_stmt.
12977 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12980 2006-01-05 Richard Henderson <rth@redhat.com>
12982 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12984 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12986 * c-typeck.c: Update copyright date.
12988 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12990 * c-typeck.c (build_c_cast): Always warn when casting
12991 from a pointer to an integer of different size, even if
12992 the node was constant.
12994 2006-01-05 Richard Guenther <rguenther@suse.de>
12996 PR tree-optimization/22555
12997 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12998 if one structure field is an array.
12999 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13000 operands even if we found a subvar, but ignore VOPs in this
13002 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13004 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13006 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13008 PR middle-end/24998
13009 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13011 2006-01-05 Richard Guenther <rguenther@suse.de>
13012 Diego Novillo <dnovillo@redhat.com>
13014 * tree-pass.h (TODO_remove_unused_locals): Define.
13015 * gimple-low.c (expand_var_p, remove_useless_vars,
13016 pass_remove_useless_vars): Remove. Update all users.
13017 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13018 (remove_unused_locals): New function.
13019 * tree-flow.h (remove_unused_locals): Declare.
13020 * passes.c (execute_todo): Call remove_unused_locals if
13021 TODO_remove_unused_locals is set.
13022 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13023 * tree-ssa-dce.c (pass_dce): Likewise.
13024 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13026 2006-01-05 Richard Guenther <rguenther@suse.de>
13028 * tree-flow.h (struct fieldoff): Decompose field to
13029 type, size and decl.
13030 * tree-ssa-alias.c (create_sft): Take type as parameter.
13031 (create_overlap_variables_for): Store type, size and decl
13032 in the fieldoff structure.
13033 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13034 of struct fieldoff.
13035 (push_fields_onto_fieldstack): Likewise.
13036 (create_variable_info_for): Likewise. Use offset for the
13037 SFT name if the decl is not available.
13039 2006-01-04 Paul Brook <paul@codesourcery.com>
13041 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13043 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13045 * lambda-code.c (can_put_in_inner_loop): Relax
13047 (can_put_after_inner_loop): New function.
13048 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13049 (perfect_nestify): Change to make copies and modify uses.
13051 2006-01-04 Richard Henderson <rth@redhat.com>
13053 Merge from gomp branch:
13054 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13055 via integer constant.
13056 (pragma_lex): Remove.
13057 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13058 rather than parsing it.
13059 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13060 handle_pragma_extern_prefix): Add %< %> quotes.
13061 (registered_pragmas): New.
13062 (c_register_pragma_1): New.
13063 (c_register_pragma): Use it.
13064 (c_register_pragma_with_expansion): Likewise.
13065 (c_invoke_pragma_handler): New.
13066 (init_pragma): Use cpp_register_deferred_pragma directly for
13068 * c-pragma.h (enum pragma_kind): New.
13069 (pragma_handler): New.
13070 (c_invoke_pragma_handler): Declare.
13071 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13073 * c-common.h (c_common_pch_pragma): Update decl.
13074 * Makefile.in (c-parser.o): Update dependencies.
13075 (GTFILES): Add c-pragma.h.
13076 * c-parser.c (struct c_token): Add pragma_kind.
13077 (struct c_parser): Add in_pragma.
13078 (c_lex_one_token): Always initialize keyword and pragma_kind.
13079 Extract data for CPP_PRAGMA.
13080 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13081 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13082 Don't allow CPP_PRAGMA_EOL if in_pragma.
13083 (c_parser_consume_pragma): New.
13084 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13085 (c_parser_skip_to_end_of_parameter): Likewise.
13086 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13087 (c_parser_skip_to_pragma_eol): New.
13088 (c_parser_external_declaration): Handle CPP_PRAGMA.
13089 (c_parser_compound_statement_nostart): Likewise.
13090 (c_parser_statement_after_labels): Likewise.
13091 (c_parser_pragma): New.
13092 (pragma_lex): Likewise.
13093 (c_parser_pragma_pch_preprocess): New.
13094 (c_parser_new): Merge into ...
13095 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13097 2006-01-04 Jeff Law <law@redhat.com>
13100 * tree-cfg.c (bsi_replace): Remove the original statement
13101 from the EH throw statement table.
13103 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13105 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13106 make the prototype extern "C" and add throw ().
13109 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13110 and pos non-negative and pos + len <= 32.
13111 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13112 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13113 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13116 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13117 as well as sizes not multiple of component size.
13120 * function.c (instantiate_expr): New function.
13121 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13122 walk its DECL_VALUE_EXPR with instantiate_expr.
13124 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13125 DW_OP_deref{,_size} if address isn't going to be added.
13127 2006-01-04 Ben Elliston <bje@au.ibm.com>
13129 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13130 * config/fp-bit.c: Likewise.
13132 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13134 * dominance.c: Add comment about why we use DFS numbering
13137 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13138 Richard Henderson <rth@redhat.com>
13140 Merge from gomp-branch:
13141 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13142 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13144 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13146 PR rtl-optimization/25578
13147 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13148 pass a parameter to simplify_shift_const if changing ASHIFTRT
13151 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13153 * builtins.c (get_builtin_sync_mem): New function.
13154 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13155 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13156 Call get_builtin_sync_mem to generate mem rtx.
13158 2006-01-03 Richard Guenther <rguenther@suse.de>
13161 * stmt.c (add_case_node): Make sure to clear overflow flags
13164 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13166 Merge from gomp-branch.
13167 * config/sparc/sync.md: New file.
13168 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13169 UNSPECV_LDSTUB): New constants.
13170 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13171 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13172 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13175 2006-01-03 Roger Sayle <roger@eyesopen.com>
13177 * combine.c (reg_subword_p): New predicate to test whether the
13178 destination of a set refers to a subword/piece of a register.
13179 (try_combine): Generalize the code to merge the setting of a
13180 pseudo to a constant followed by a set of a subword of that
13181 register to a constant.
13183 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13185 * basic-block.h (control_flow_graph): Change the type of
13186 x_label_to_block_map to VEC(basic_block,gc) *.
13187 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13188 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13190 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13191 VEC(basic_block,heap) *.
13192 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13193 ssa_prop_fini): Adjust the uses of cfg_blocks.
13195 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13197 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13199 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13200 hashing trees instead of a pointer hash.
13201 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13202 compare for MEM_EXPR.
13204 PR rtl-optimization/25130
13205 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13206 when comparing MEMs for GCSE
13208 2006-01-03 Ben Elliston <bje@au.ibm.com>
13210 * targhooks.h (default_decimal_float_supported_p): Declare.
13211 * targhooks.c (default_decimal_float_supported_p): Define.
13212 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13213 `default_decimal_float_supported_p'.
13214 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13216 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13218 * combine.c (apply_distributive_law <SUBREG>): Check
13219 TRULY_NOOP_TRUNCATION.
13221 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13223 * dwarf2out.c (have_switched_text_section): Delete.
13224 (have_multiple_function_sections): New.
13225 (have_location_lists): Make 'bool'.
13226 (add_AT_loc_list): Use 'true' not '1'.
13227 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13228 (output_loc_list): Use have_multiple_function_sections.
13229 (output_ranges): Likewise.
13230 (dwarf2out_begin_function): Set have_multiple_function_sections if
13232 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13233 Check function_section rather than DECL_SECTION_NAME.
13234 (dwarf2out_finish): Use have_multiple_function_sections.
13235 Don't clear have_location_lists.
13237 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13238 Jan Hubicka <jh@suse.cz>
13240 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13241 case of conditional jump jumping to the next instruction.
13242 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13243 cases of conditional jump jumping to the next instruction.
13245 2006-01-02 Jan Hubicka <jh@suse.cz>
13247 * i386.c (*_cost): Add COSTS_N_INSNS.
13248 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13250 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13253 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13255 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13257 * config/arm/arm.c (all_fpus): Fix comment typo.
13258 * config/darwin.c: Likewise.
13259 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13260 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13261 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13263 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13265 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13266 (rs6000_split_compare_and_swapqhi): New.
13267 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13268 (sync_compare_and_swapqhi_internal): New.
13269 * config/rs6000/rs6000-protos.h: Declare.