1 2006-07-13 Andrew Haley <aph@redhat.com>
3 PR tree-optimization/19505
4 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5 edge leaving this block, make sure that the destination of this
6 block has only one predecessor.
8 2006-07-17 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/28238
11 * tree-inline.c (copy_bb): Check if we produced valid
12 gimple copying and substituting a stmt. If not, gimplify
15 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
17 * optabs.c (maybe_encapsulate_block): New function extracted from...
18 (emit_libcall_block): ...here. Invoke it on the block of insns to
19 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
20 (emit_no_conflict_block): Likewise.
22 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
24 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
26 2006-07-15 Roger Sayle <roger@eyesopen.com>
28 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
29 a new NOP_EXPR case of the switch statement.
31 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
34 * stor-layout.c (place_field): Take the bit field with
35 an excessive size into account in the ms-bitfiled case.
38 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
39 the previous bit field.
41 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
44 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
46 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
48 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
49 signal frames correctly even when the signal was installed with
52 2006-07-14 Carlos O'Donell <carlos@codesourcery.com
54 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
55 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
56 (dbxout_source_line): Use local label LFBB.
57 (dbxout_block): Likewise.
58 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
59 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
60 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
63 2006-07-13 Janis Johnson <janis187@us.ibm.com>
65 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
67 2006-07-13 Jan Hubicka <jh@suse.cz>
69 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
71 * output.h (align_variable): Declare.
72 * varasm.c (align_variable): Export.
73 * value-prof.c (tree_value_profile_transformations): Recompute iterator
74 when basic block changed.
76 2006-07-13 Nick Clifton <nickc@redhat.com>
78 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
79 walking the LOG_LINKS chain.
81 2006-07-12 Geoffrey Keating <geoffk@apple.com>
83 * doc/invoke.texi (C++ Dialect Options): Explain difference
84 between -fvisibility-inlines-hidden and setting hidden
85 visibility explicitly.
87 2006-07-12 Eric Christopher <echristo@apple.com>
89 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
90 (stmp-lipo): Depend on libgcc.a.
92 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
94 * tree.c: Fix a comment typo.
96 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
98 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
100 (umulhisi3_r): Likewise.
102 2006-07-12 Paolo Carlini <pcarlini@suse.de>
105 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
106 x < 19, vs wchar_t support.
108 2006-07-12 Nick Clifton <nickc@redhat.com>
110 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
113 2006-07-12 Mike Stump <mrs@apple.com>
115 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
117 2006-07-10 Eric Christopher <echristo@apple.com>
119 * config/t-slibgcc-darwin: Rewrite.
121 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
124 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
127 2006-07-08 Matthias Klose <doko@debian.org>
129 * doc/sourcebuild.texi: Fix typo.
131 2006-07-07 Mike Stump <mrs@apple.com>
133 * toplev.c (process_options): Don't give -ffunction-sections may
134 affect debugging warning for Mach-O.
136 2006-07-07 James E Wilson <wilson@specifix.com>
138 * config/mips/mips.md (cpu): Add sb1a.
139 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
140 addition to sb1. Adjust comments to clarify SB-1A differences from
142 (ir_sb1a_load): New. Modify bypasses to use it.
143 (ir_sb1a_simple_alu): Likewise.
144 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
145 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
146 (mips_issue_rate): Add PROCESSOR_SB1A.
147 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
148 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
149 (TARGET_SB1): Add PROCESSOR_SB1A check.
150 (TUNE_SB1): Likewise.
152 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
153 * config/mips/mips.c (mips_store_data_bypass_p): New.
154 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
157 2006-07-08 Paul Brook <paul@codesourcery.com>
160 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
162 2006-07-07 Richard Guenther <rguenther@suse.de>
165 * tree.h (build_one_cst): Declare.
166 * tree.c (build_one_cst): New function.
167 * tree-ssa-math-opts.c (get_constant_one): Remove.
168 (insert_reciprocals): Use build_one_cst.
169 * fold-const.c (fold_plusminus_mult): Likewise.
171 2006-07-07 Roger Sayle <roger@eyesopen.com>
173 * pointer-set.c (pointer_set_destroy): Correct whitespace.
174 * cfgloopanal.c (dump_graph): Likewise.
175 * dojump.c (discard_pending_stack_adjust): Likewise.
176 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
178 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
179 * function.c (finalize_block_changes): Likewise.
180 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
181 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
182 * rtl.c (dump_rtx_statistics): Likewise.
183 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
185 * varray.c (dump_varray_statistics): Likewise.
186 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
187 decode_decimal64, encode_decimal128, decode_decimal128,
188 decimal_real_to_decimal): Likewise.
190 2006-07-07 Richard Guenther <rguenther@suse.de>
192 PR tree-optimization/28187
193 * tree-vrp.c (vrp_operand_equal_p): New function.
194 (vrp_bitmap_equal_p): Likewise.
195 (update_value_range): Use them to compare old and new
198 2006-07-06 Roger Sayle <roger@eyesopen.com>
200 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
201 a default case to switch statement to silence compiler warnings.
203 2006-07-06 Roger Sayle <roger@eyesopen.com>
206 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
207 the configured assembler supports the x87's ffreep mnemonic.
208 * configure: Regenerate.
209 * config.in: Regenerate.
211 * config/i386/i386.c (output_387_ffreep): New function.
212 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
213 (output_387_reg_move): Likewise.
215 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
217 Port to hosts whose 'sort' and 'tail' implementations
218 treat operands with leading '+' as file names, as POSIX
219 has required since 2001. However, make sure the code still
220 works on pre-POSIX hosts.
221 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
222 which says you should use "tail -c +N" rather than "tail +Nc".
223 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
225 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
227 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
230 2006-07-06 David Edelsohn <edelsohn@gnu.org>
233 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
234 PRE_{INC,DEC} of TFmode.
236 2006-07-06 David Edelsohn <edelsohn@gnu.org>
237 Alan Modra <amodra@bigpond.net.au>
240 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
243 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
246 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
247 Remove duplicate gtu.
249 2006-07-05 Jason Merrill <jason@redhat.com>
253 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
254 * c-common.c (handle_packed_attribute): So don't copy it here.
255 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
257 2006-07-05 Mike Stump <mrs@apple.com>
259 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
261 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
264 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
266 2006-07-05 Richard Guenther <rguenther@suse.de>
269 * config/i386/i386.md (*negdf2_1): Restrict pattern to
270 TARGET_SSE2 targets if using SSE math.
271 (*absdf2_1): Likewise.
273 2006-07-05 Richard Guenther <rguenther@suse.de>
275 PR tree-optimization/28162
276 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
277 make sure to convert the operands to the correct type.
279 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
281 PR tree-optimization/28218
283 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
284 to calculate and free the dominator information.
286 2006-07-04 Peter O'Gorman <peter@pogma.com>
288 * mklibgcc.in: chmod 644 before ranlib during install.
290 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
291 J"orn Rennecke <joern.rennecke@st.com>
293 * configure.ac (.eh_frame data check): Use diff -b.
295 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
298 * Makefile.in (BUILD_RTL): Add build/vec.o.
299 (build/gencondmd.o): Filter out -fkeep-inline-functions.
300 (build/genextract): Delete.
301 (build/genautomata): Likewise.
303 2006-07-04 Alan Modra <amodra@bigpond.net.au>
306 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
307 128-bit IBM long doubles for ABI_V4.
309 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
311 * tree.c (range_in_array_bounds_p): New predicate.
312 * tree.h (range_in_array_bounds_p): Declare it.
313 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
314 return a less conservative answer.
315 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
317 (IS_ELEMENT_FOR_GROUP): New macro.
318 (FOR_EACH_ACTUAL_CHILD): Likewise.
319 (next_child_for_group): New helper function.
320 (can_completely_scalarize_p): Take into account groups.
321 (sra_hash_tree): Handle RANGE_EXPR.
322 (sra_elt_eq): Likewise.
323 (lookup_element): Be prepared for handling groups.
324 (is_valid_const_index): Delete.
325 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
326 instead of is_valid_const_index.
327 <ARRAY_RANGE_REF>: New case.
328 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
329 is_valid_const_index.
330 <ARRAY_RANGE_REF>: Do not unconditionally punt.
331 (scan_dump): Dump info for groups too.
332 (decide_instantiation_1): Likewise.
333 (decide_block_copy): Assert that the element is not a group.
334 Propagate decision to groups.
335 (generate_one_element_ref): Handle RANGE_EXPR.
336 (mark_no_warning): Iterate over actual childs.
337 (generate_copy_inout): Likewise.
338 (generate_element_copy): Likewise.
339 (generate_element_zero): Likewise.
340 (generate_element_init_1): Likewise.
341 (dump_sra_elt_name): Handle RANGE_EXPR.
343 2006-07-03 Roger Sayle <roger@eyesopen.com>
345 PR tree-optimization/26251
346 * tree-ssa-threadupdate.c (redirection_block_p): New function.
347 (thread_block): When optimizing for size refuse to thread jumps
348 that would require duplication of blocks other than redirection
351 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
353 * configure.ac: Fix thinko in previous check-in.
354 * configure: Regenerate.
356 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
359 * configure.ac (for lang...): Simplify nesting of conditionals.
360 Test subdir_requires for non-enabled languages. Move processing
361 of lang_opt_files and lang_tree_fiels below that test.
362 * configure: Regenerate.
363 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
365 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
367 * doc/gcov.texi (Invoking Gcov): Add a missing word.
369 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
371 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
374 2006-06-29 Jason Merrill <jason@redhat.com>
381 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
382 * c-common.c (c_determine_visibility): Handle it here.
383 * c-decl.c (finish_decl): Call c_determine_visibility for
385 * flags.h (enum symbol_visibility): Sort from most to least visibility.
387 * varasm.c (default_assemble_visibility): Likewise.
388 * c-common.c (handle_visibility_attribute): Complain about trying
389 to give visibility to an already defined class, or trying to change
390 declared visibility. Always attach the attribute.
395 * attribs.c (decl_attributes): Ignore type-in-place attributes
396 once the type has been defined.
398 2006-06-29 Roger Sayle <roger@eyesopen.com>
401 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
402 to indicate the cpplib has issued an error message for us.
404 2006-06-29 Asher Langton <langton2@llnl.gov>
407 * config/i386/i386.c (ix86_output_function_epilogue): Don't
408 insert a label at the end of an function under Mach-O.
410 2006-06-29 Eric Christopher <echristo@apple.com>
411 Evan Cheng <evan.cheng@apple.com>
413 * predicates.md (vector_all_ones_operand): New.
414 (nonimmediate_or_sse_const_operand): Ditto.
415 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
416 * config/i386/i386.c (standard_sse_constant_opcode): Define.
417 (standard_sse_mode_p): Ditto.
418 (standard_sse_constant_p): Add case for -1 vector.
419 (ix86_expand_vector_move): Try to use.
420 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
421 Call standard_sse_constant_opcode.
422 (*movv4sf_internal): Ditto.
423 (*movv2df_internal): Ditto.
425 2006-06-29 Roger Sayle <roger@eyesopen.com>
427 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
428 of XEXP to extract the operands of a MATCH_CODE rtx.
430 2006-06-28 Andrew Pinski <pinskia@gmail.com>
432 * tree.c (tree_size): Do not waste tail padding in
433 struct tree_string and make the size be the same as
434 build_string will generate.
436 2006-06-28 Jason Merrill <jason@redhat.com>
439 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
440 may_aliases already in the tag's annotations to the bitmap.
442 2006-06-28 Roger Sayle <roger@eyesopen.com>
444 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
446 2006-06-28 Roger Sayle <roger@eyesopen.com>
448 * genpreds.c (generate_switch_p): New function.
449 (add_mode_tests): Push the new mode test down inside an AND expr
450 if this allows the switch-suitable MATCH_CODE to be near the root.
451 (write_match_code_switch): New function to write a MATCH_CODE as
453 (write_predicate_stmts): New function to write a predicate RTX
454 expression as a sequence of statements.
455 (write_one_predicate_function): Use write_predicate_stmts.
456 (write_tm_constrs_h): Likewise.
458 2006-06-26 Fred Fish <fnf@specifix.com>
460 * config/mips/t-sb1: New file.
461 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
464 2006-06-26 DJ Delorie <dj@redhat.com>
466 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
468 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
469 Jayant Sonar <jayants@kpitcummins.com>
470 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
472 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
473 (subsi3, subsi3_1, subsi3_2): New.
474 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
475 * config/m32c/mov.md (SI mov peephole): New.
476 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
477 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
479 2006-06-26 Olivier Hainque <hainque@adacore.com>
481 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
482 a CALL_EXPR target function declaration.
484 2006-06-26 Richard Guenther <rguenther@suse.de>
486 * tree.c (build_string): Do not waste tail padding in
489 2006-06-26 Richard Guenther <rguenther@suse.de>
491 * ggc-page.c (init_ggc): Add missing element to size_lookup
495 2006-06-23 Richard Guenther <rguenther@suse.de>
497 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
498 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
499 alignment requests instead. Add verification code.
500 Add struct tree_function_decl and struct tree_binfo size to
501 extra_order_size_table. Add missing element to size_lookup
504 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
507 * fold-const.c (const_binop): Be prepared for self returning zero.
508 Simplify code handling complex values.
510 2006-06-24 Olivier Hainque <hainque@adacore.com>
512 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
513 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
516 2006-06-24 Olivier Hainque <hainque@adacore.com>
518 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
519 ARRAY_REF, so have the callback called for the low bound expression.
521 2006-06-23 Janis Johnson <janis187@us.ibm.com>
523 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
524 * c-typeck.c (c_common_type): Disallow operations on decimal float
525 types and other float types.
526 * convert.c (convert_to_real): Don't ignore conversions involving
529 2006-06-23 Olivier Hainque <hainque@adacore.com>
531 * tree.c (max_int_size_in_bytes): New function, inspired from
532 code in function.c:assign_temp.
533 * tree.h (max_int_size_in_bytes): Declare.
534 * function.c (assign_temp): Use it.
535 * gimplify.c (create_tmp_var): Relax the assertions on the type
536 properties, not mandating constant size any more.
537 (force_constant_size): New static function.
538 (gimple_add_tmp_var): Use it, forcing variable size to a
539 constant upper bound if it is not constant on entry.
541 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
544 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
545 for initialization and setting of one_only flag to ...
546 (i386_pe_encode_section_info): ...here.
547 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
548 Recheck that the symbol has not been defined.
550 2006-06-23 Richard Guenther <rguenther@suse.de>
552 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
553 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
554 alignment requests instead. Add verification code.
555 Add struct tree_function_decl and struct tree_binfo size to
556 extra_order_size_table. Add missing element to size_lookup
559 2006-06-22 Roger Sayle <roger@eyesopen.com>
560 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
563 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
564 call to lang_hooks.types.type_for_mode returned NULL_TREE.
566 2006-06-23 Ben Elliston <bje@au.ibm.com>
568 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
569 negate dn -- manipulate it directly.
571 2006-06-22 Roger Sayle <roger@eyesopen.com>
572 Steven Bosscher <stevenb.gcc@gmail.com>
575 * reload1.c (gen_reload): Call mark_jump_label on the new insns
576 generated by gen_move_insn to add REG_LABEL notes if necessary.
578 2006-06-22 Bob Wilson <bob.wilson@acm.org>
580 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
581 (leaf_entry): Remove use of MIN_ESA.
583 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
585 PR rtl-optimization/28121
586 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
589 2006-06-21 DJ Delorie <dj@redhat.com>
591 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
593 (mulhisi3_r): Likewise.
595 2006-06-21 Richard Sandiford <richard@codesourcery.com>
598 * coverage.c (coverage_counter_alloc): Leave the index type
600 (coverage_counter_alloc): Use null arguments for operands 2 and 3
603 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
605 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
606 section from the "Options for Code Generation Conventions".
608 2006-06-21 Richard Henderson <rth@redhat.com>
612 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
614 (global_symbolic_operand): Allow weak symbols, even if local_p.
616 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
618 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
619 (find_interesting_uses_address): Punt if above function returns true.
621 2006-06-21 Richard Guenther <rguenther@suse.de>
623 * configure: Regenerated.
625 2006-06-21 Joseph Myers <joseph@codesourcery.com>
627 * config/mips/mips.c (function_arg): Where one part of a
628 complex argument is in registers and the other part in the stack,
629 return a REG not a PARALLEL.
631 2006-06-21 Mark Mitchell <mark@codesourcery.com>
633 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
634 when cross-compiling. Do not substitute libstdcxx_incdir.
635 * configure: Regenerated.
637 2006-06-21 Jakub Jelinek <jakub@redhat.com>
639 * varasm.c (mergeable_string_section): Check for embedded NULs and
640 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
641 rather than TREE_STRING_LENGTH bytes.
643 2006-06-21 Richard Guenther <rguenther@suse.de>
645 * ggc-page.c (extra_order_size_table): Add var_ann_d,
646 tree_ssa_name, bitmap_element and phi_node with 4 arguments
649 2006-06-21 Richrad Guenther <rguenther@suse.de>
651 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
652 Limit iteration over the dominators.
654 2006-06-20 Roger Sayle <roger@eyesopen.com>
656 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
657 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
659 2006-06-20 Richard Guenther <rguenther@suse.de>
660 Michael Matz <matz@suse.de>
662 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
664 * alloc-pool.c (free_alloc_pool_if_empty): New function.
665 * et-forest.h (et_free_pools): Prototype new function.
666 * et-forest.c (et_free_tree_force): Free parent occurrence.
667 (et_free_pools): New function.
668 * dominance.c (free_dominance_info): Free et-forest alloc
671 2006-06-20 Roger Sayle <roger@eyesopen.com>
673 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
674 integer modes, attempt to directly construct an integer constant.
676 * fold-const.c (native_encode_vector): Determine the size of each
677 element from the vector type instead of the first vector element.
679 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
680 if all of its elements/components are constant.
681 (build_constructor_from_list): Likewise.
683 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
685 PR tree-optimization/27331
686 * tree-data-ref.c (free_data_ref): New function.
687 (create_data_ref): Fail if the data reference has unknown access
689 (free_data_refs): Use free_data_ref.
691 2006-06-19 Andrew Pinski <pinskia@gmail.com>
694 * tree-inline.c (setup_one_parameter): Strip useless
695 type conversion before adding it to the IR.
696 (declare_return_variable): Likewise.
698 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
701 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
703 2006-06-19 Mike Stump <mrs@apple.com>
705 * tree.c (variably_modified_type_p): VM arguments don't make the
708 2006-06-19 Richard Guenther <rguenther@suse.de>
710 * tree-ssa-pre.c (try_combine_conversion): Strip useless
711 type conversions after folding.
713 2006-06-19 Richard Guenther <rguenther@suse.de>
715 * ggc-page.c (extra_order_size_tab): Add entries with
716 size of struct function and basic_block.
717 (size_lookup): Extend to cover sizes up to 511.
718 (ggc_alloc_stat): Adjust user.
719 (ggc_pch_count_object): Likewise.
720 (ggc_pch_alloc_object): Likewise.
721 (ggc_pch_write_object): Likewise.
723 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
725 * tree-ssa-loop-niter.c (implies_ge_p): New function.
726 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
729 2006-06-19 Denis Chertykov <denisc@overta.ru>
731 * config/avr/libgcc.S : Correct my wrong previous commit.
733 2006-06-19 Roger Sayle <roger@eyesopen.com>
736 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
737 have stripped a SUBREG from the shift count, so we may need to
738 convert_to_mode back to the type's mode before calling make_tree.
739 Use new_amount instead of amount to avoid expanding a tree twice.
741 2006-06-19 Richard Guenther <rguenther@suse.de>
744 * fold-const.c (operand_equal_p): Check if the argument types
745 have the same precision before stripping NOPs.
747 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
749 Fix PR tree-optimization/27341
750 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
752 * tree-complex.c (pass_lower_complex): Update SMT usage.
754 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
756 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
757 Add a new alternative to the constraint strings. Add move of
758 operand 1 to 3 to the splitter definition.
759 ("doloop_si_long"): Second contraint alternative removed.
761 2006-06-08 Anatoly Sokolov <aesok@post.ru>
763 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
764 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
766 (AVR_HAVE_MOVW) Define.
767 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
768 (ASM_SPEC): Add avr25.
769 (LINK_SPEC): Add avr25.
770 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
771 (base_arch_s): Add new member 'have_movw_lpmx'.
772 (avr_arch_types): Init 'have_movw_lpmx'.
773 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
774 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
775 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
776 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
777 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
779 (avr_file_start): Do not output '.arh' derective.
780 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
781 (__do_copy_data): Use __AVR_HAVE_LPMX__.
782 * config/avr/avr.md (mcu_enhanced): Delete.
783 (mcu_have_movw): Define.
784 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
785 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
786 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
787 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
788 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
789 attiny861 and at86rf401 devices.
791 2006-06-18 Jie Zhang <jie.zhang@analog.com>
793 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
796 2006-06-17 Karl Berry <karl@gnu.org>
798 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
799 doc/gccint.texi, doc/install.texi (@dircategory): Use
800 "Software development" instead of "Programming", following
801 the Free Software Directory.
803 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
805 * config/i386/i386.c (legitimate_tls_address)
806 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
807 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
808 (*tls_dynamic_gnu2_combine_64): Likewise.
810 2006-06-16 Richard Guenther <rguenther@suse.de>
813 * fold-const.c (negate_expr_p): Do not introduce undefined
814 overflow in negating INTEGER_CSTs.
815 (fold_negate_expr): Rename from negate_expr. Revert last
816 change for folding BIT_NOT_EXPR. Change semantics to
817 return NULL_TREE for non-simplified negations. Do not
818 strip type conversions and unify type handling.
819 (negate_expr): New function, wrap around fold_negate_expr
820 but ensure building a tree always. Strip type conversions
821 here, fold to result type.
822 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
824 2006-06-16 Roger Sayle <roger@eyesopen.com>
827 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
828 that (would) return their results in stack registers.
830 2006-06-16 Michael Matz <matz@suse.de>
831 Richard Guenther <rguenther@suse.de>
833 * fold-const.c (fold_truthop): Only return new tree node if
834 we canonicalized something.
836 2006-06-16 Richard Guenther <rguenther@suse.de>
838 * function.h (enum function_frequency): Move declaration
839 out of struct function.
840 (struct function): Move bool fields and the enum to the bitfield
841 section. Reorder elements to avoid padding. Remove unused
842 fields left over from the RTL inliner removal.
843 * function.c (free_after_compilation): Do not zero removed fields.
844 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
845 (ipa-type-escape.o): Likewise.
847 2006-06-16 Richard Guenther <rguenther@suse.de>
849 * cgraph.h (struct cgraph_local_info): Turn bool elements
851 (struct cgraph_node): Likewise.
852 (struct cgraph_varpool_node): Likewise.
854 2006-06-15 Richard Guenther <rguenther@suse.de>
856 * fold-const.c (fold_truth_not_expr): Rename from
857 invert_truthvalue. Give it fold_* semantics to avoid
859 (invert_truthvalue): New function. Wrapper around
861 (optimize_minmax_comparison): Avoid creating garbage.
862 (fold_unary): Use fold_truth_not_expr for folding
864 (fold_ternary): Replace uses of invert_truthvalue with
865 fold_truth_not_expr where applicable.
866 * tree.h (fold_truth_not_expr): Prototype.
868 2006-06-16 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/27781
871 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
872 * ipa-pure-const.c (target.h): Include.
873 (analyze_function): Do not analyze functions that do not
876 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
879 * tree-dfa.c (referenced_vars_dup_list): Remove.
880 (find_referenced_vars): Remove assert.
881 (referenced_var_check_and_insert): Replace dup list with assert.
882 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
883 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
885 2006-06-15 Richard Guenther <rguenther@suse.de>
887 * tree-ssa-structalias.c (alias_get_name): Avoid creating
888 extra unused identifiers if not dumping.
889 (create_variable_info_for): Likewise.
891 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
893 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
894 (derive_constant_upper_bound): Derive more precise upper bound in
895 common cases. Return type changed to double_int.
896 (record_estimate): Reflect the changed return type of
897 derive_constant_upper_bound.
898 * double-int.c (double_int_zext, double_int_sext): Fix.
900 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
902 * configure.ac (CFLAGS): Get them from the toplevel or from the
903 configure invocation.
904 * configure: Regenerate.
905 * Makefile.in (CFLAGS): Substitute value provided by configure.
907 2006-06-14 Mark Mitchell <mark@codesourcery.com>
910 * c-common.h (c_finish_omp_atomic): Adjust declaration.
911 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
912 rather than calling add_stmt on it.
913 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
915 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
918 * reload1.c (reload): Remove registers returned by update_eliminables
919 from used_spill_regs.
921 2006-06-13 DJ Delorie <dj@redhat.com>
923 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
925 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
927 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
928 html__strip_dir, html__mkdir_p. Enhance install-html target.
929 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
930 * configure: Regenerate.
932 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
934 * fold-const.c (fold_cond_expr_with_comparison): Check for
935 Objective-C++ as language in deciding COND_EXPR transformation.
937 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
940 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
941 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
942 * config/sh/lib1funcs.h (SL, SL1): Define.
943 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
944 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
945 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
946 (OBJS_Os_4_200): New variable.
947 ($(T)libgcc-Os-4-200.a): Use it.
948 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
949 when dividing 1 and/or by 0.
951 2006-06-13 Roger Sayle <roger@eyesopen.com>
953 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
954 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
955 * configure: Regenerate.
957 2006-06-13 Jie Zhang <jie.zhang@analog.com>
959 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
960 for real instruction.
962 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
965 * haifa-sched.c (check_cfg): Handle special case.
967 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
970 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
971 Add debug_info parameter. Chain the vars to the BLOCK instead
972 of the BIND_EXPR if debug info are requested for them.
973 (pop_gimplify_context): Adjust for above change.
974 (gimple_add_tmp_var): Likewise.
975 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
977 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
978 (convert_local_reference): Likewise.
979 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
980 (finalize_nesting_tree_1): Request that debug info be emitted
983 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
985 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
988 2006-06-13 Richard Guenther <rguenther@suse.de>
991 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
993 2006-06-13 Richard Guenther <rguenther@suse.de>
995 PR tree-optimization/27830
996 * tree-inline.c (copy_body_r): For copying the operand
997 of an ADDR_EXPR make sure to fold &* afterwards.
999 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1001 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1002 lvalues in the fb_none case with side-effects.
1004 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1006 * tree-flow.h: Remove the prototype for
1007 compute_phi_arg_on_exit.
1008 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1009 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1012 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1014 * builtins.c (expand_builtin_return_addr): Only use
1015 frame_pointer_rtx when count == 0 and we are expanding
1016 __builtin_return_address.
1018 2006-06-12 Fred Fish <fnf@specifix.com>
1020 * config/mips/mips.c (mips_file_start): Create special section
1021 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1023 2006-06-11 Eric Christopher <echristo@apple.com>
1026 * stor-layout.c (place_field): Remove check for
1027 remaining_in_alignment when aligning at the end of a run.
1029 2006-06-11 Eric Christopher <echristo@apple.com>
1032 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1035 2006-06-11 Roger Sayle <roger@eyesopen.com>
1038 Revert incorrect fix for PR target/27158
1039 2006-05-08 Roger Sayle <roger@eyesopen.com>
1040 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1041 of a reg_equiv_constant if the result is a legitimate constant.
1043 2006-06-11 Roger Sayle <roger@eyesopen.com>
1046 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1047 extract a CONST_VECTOR element and interpret it as an integer.
1048 (vspltis_constant): Use const_vector_elt_as_int instead of the
1049 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1050 * config/rs6000/predicates.md (easy_vector_const): Consider
1051 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1053 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1056 * stor-layout.c (update_alignment_for_field): Don't add extra
1057 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1060 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1062 * config/mips/t-rtems: Add EL/EB multilib variants.
1064 2006-06-09 Mike Stump <mrs@apple.com>
1066 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1068 2006-06-09 David Daney <ddaney@avtrex.com>
1070 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1072 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1074 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1076 2006-06-09 Richard Guenther <rguenther@suse.de>
1078 PR tree-optimization/26998
1079 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1080 of signed types, only TYPE_MIN_VALUE is special, but for both,
1081 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1082 in this case, as is -fwrapv.
1084 2006-06-08 Mike Stump <mrs@apple.com>
1087 * config/darwin.c (darwin_asm_output_anchor): Disable
1088 -fsection-anchors on darwin for now.
1089 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1090 * rs6000/rs6000.c (optimization_options): Likewise.
1092 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1095 * config/i386/i386.c (classify_argument): Skip fields with invalid
1098 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1100 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1101 (cse_insn): Likewise for the stack_pointer_rtx.
1103 2006-06-08 Roger Sayle <roger@eyesopen.com>
1105 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1106 conditions from floating point comparisons.
1108 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1111 * expmed.c (struct alg_hash_entry): Fix type of field T
1112 to match synth_mult argument.
1113 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1115 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1118 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1121 2006-06-08 Richard Guenther <rguenther@suse.de>
1124 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1125 only, if overflow is defined and not trapping.
1126 (negate_expr): Likewise.
1128 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1130 PR tree-optimization/27872
1131 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1132 flag on the new exit edge of the unrolled loop.
1134 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1136 PR rtl-optimization/26449
1137 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1139 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1142 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1143 referenced_variables with matching DECL_UID's.
1144 (find_referenced_vars): Make sure duplicate list is empty to start.
1145 (referenced_var_p): Remove.
1146 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1147 Check if var is in the list, and add if needed. Update the duplicate
1148 list if a different var is in the list with the same DECL_UID.
1149 (add_referenced_var): Call routine to check and insert.
1150 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1151 * tree-flow.h (referenced_vars_dup_list): External declaration.
1153 2006-06-07 Fred Fish <fnf@specifix.com>
1155 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1158 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1161 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1162 the imaginary and real parts of a clobbered register.
1163 Emit insn to set the imaginary part.
1165 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1167 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1168 in lieu of unwind-dw2-fde.c.
1170 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1172 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1174 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1177 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1178 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1179 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1180 V4SImode temporaries and operations instead.
1182 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1184 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1187 2006-06-06 Mike Stump <mrs@apple.com>
1189 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1190 installing during build.
1192 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1194 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1196 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1197 * config/ia64/ia64.c (params.h): New header.
1198 (ia64_optimization_options): New function to adjust parameters.
1199 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1200 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1201 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1203 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1205 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1207 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1210 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1212 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1213 Victor Kaplansky <victork@il.ibm.com>
1215 PR tree-optimization/26360
1216 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1219 2006-06-04 Roger Sayle <roger@eyesopen.com>
1220 Andrew Pinski <pinskia@physics.uc.edu>
1223 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1224 for LABEL_DECL before calling DECL_WEAK.
1227 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1228 LABEL_DECL and PARM_DECL.
1230 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1234 * c-decl.c (grokdeclarator): Disallow variably modified types at
1235 file scope. Avoid marking shared array type of constant size as
1238 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1241 * c-common.c (fold_offsetof_1): Handle static members.
1243 2006-06-04 Eric Christopher <echristo@apple.com>
1245 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1246 (debug_rli): Output value for remaining_in_alignment.
1247 (update_alignment_for_field): Unconditionalize
1248 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1249 extra alignment code.
1250 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1251 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1252 * tree.h (record_layout_info_s): Remove prev_packed.
1253 * doc/extend.texi (ms_struct): Add documentation of format.
1255 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1257 * tree.h: Declare folding_initializer.
1258 * builtins.c (fold_builtin_constant_p): Give definite answer
1259 if folding inside an initializer.
1260 * fold-const.c: Define folding_initializer.
1261 (START_FOLD_INIT): Save and then set folding_initializer.
1262 (END_FOLD_INIT): Restore folding_initializer.
1264 2006-06-04 Richard Guenther <rguenther@suse.de>
1266 PR tree-optimization/27039
1267 * fold-const.c (fold_comparison): Handle pointer comparison
1268 again for all comparison codes. Compare offsets in signed
1270 (fold_binary): Move code from here.
1272 2006-06-03 Roger Sayle <roger@eyesopen.com>
1275 * config/i386/i386.c (construct_container): Split static issued_error
1276 flag into issued_sse_arg_error, issued_sse_ret_error and
1277 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1278 requires the use of x87 registers and the user explicitly
1279 specified the -mno-80387 command line option.
1281 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1283 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1284 HAVE_DECL_SIGALTSTACK.
1286 (segv_handler): Use MC_FLD.
1287 * configure.ac: Check for a sigaltstack declaration.
1288 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1289 * configure: Regenerate.
1290 * config.in: Regenerate.
1292 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1295 * Makefile.in (stmp-fixinc): Fix typo.
1297 2006-06-02 Roger Sayle <roger@eyesopen.com>
1299 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1300 are type correct. Clean-up.
1301 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1302 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1304 2006-06-01 DJ Delorie <dj@redhat.com>
1306 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1307 shift, as we've disabled the "switch" insn that needs it.
1309 2006-06-01 Per Bothner <bothner@bothner.com>
1311 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1312 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1313 * c-ppoutput.c (cb_define): Don't increment line 0.
1315 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1317 * doc/invoke.texi: Add cpu_type power6.
1318 * config.gcc: Add cpu_type power6.
1319 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1320 to power5+ with Altivec.
1321 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1322 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1324 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1326 * config/avr/avr.h (SET_ASM_OP): Define.
1328 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1330 * config/bfin/bfin.c: Fix comment typos.
1332 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1335 * doc/install.texi: Document --enable-bootstrap and
1336 --disable-bootstrap.
1338 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1340 * doc/install.texi: Document that InfoZIP can replace jar.
1342 2006-05-31 Roger Sayle <roger@eyesopen.com>
1344 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1345 isn't available, directly generate the simpler x87 patterns without
1346 the (use (const_int 0)).
1347 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1348 implementation isn't available.
1349 (*negdf2_1): Likewise.
1350 (*negxf2_1): XF mode negation is always done using the x87.
1351 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1353 2006-05-31 Roger Sayle <roger@eyesopen.com>
1355 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1356 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1358 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1360 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1362 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1363 * config/bfin/bfin.c (basic-block.h): Include.
1364 (struct machine_function): New.
1365 (bfin_init_machine_status): New.
1366 (override_options): Initialize init_machine_status.
1367 (bfin_hardware_loop): New.
1368 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1369 (DEF_VEC_P (loop_info)): New.
1370 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1371 (struct loop_info): New.
1372 (loop_info): New typedef.
1373 (struct loop_work): New.
1374 (loop_work): New typedef.
1375 (DEF_VEC_O (loop_work)): New.
1376 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1377 (bfin_dump_loops): New.
1378 (bfin_bb_in_loop): New.
1379 (bfin_scan_loop): New.
1380 (bfin_optimize_loop): New.
1381 (bfin_reorg_loops): New.
1382 (bfin_reorg): Use bfin_reorg_loops.
1383 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1385 (I_REGNO_P): Simplify.
1386 (DP_REGNO_P, DPREG_P): New macros.
1387 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1388 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1389 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1390 Add LT_REGS, LC_REGS, LB_REGS.
1391 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1393 (REGNO_REG_CLASS): Deal with loop registers.
1394 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1396 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1397 New constants for loop registers.
1398 (UNSPEC_LSETUP_END): New.
1399 (seq_insns): New define_attr. Set it for appropriate insns.
1400 (movsi_insn): Add alternatives for move from/to
1401 loop count registers.
1402 (doloop_end): New define_expand.
1403 (loop_end): New define_insn.
1404 (define_split for bad doloop_end): New.
1405 (lsetup_with_autoinit): New define_insn.
1406 (lsetup_without_autoinit): New define_insn.
1407 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1408 * config/bfin/predicates.md (lc_register_operand): New.
1409 (lt_register_operand): New.
1410 (lb_register_operand): New.
1411 (nondp_register_operand): New.
1412 (nondp_reg_or_memory_operand): New.
1413 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1415 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1417 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1418 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1420 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1422 * Makefile.in (CATALOGS): Add po/ prefix.
1423 * configure: Regenerated.
1425 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1428 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1429 a shift operand before calling shift_op. Avoid redundant call of
1432 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1433 DJ Delorie <dj@redhat.com>
1435 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1436 we're inserting is a singlt-bit constant.
1438 2006-05-30 Roger Sayle <roger@eyesopen.com>
1440 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1441 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1443 2006-05-30 Roger Sayle <roger@eyesopen.com>
1445 PR tree-optimization/23452
1446 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1447 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1448 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1449 complex values and with -ffast-math for FP complex values.
1451 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1453 * c-common.h: Remove the prototype for yyparse.
1454 * rtl.h: Remove the prototype for init_loop.
1456 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1458 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1461 2006-05-30 Roger Sayle <roger@eyesopen.com>
1463 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1465 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1466 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1468 2006-05-30 Dirk Mueller <dmueller@suse.de>
1471 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1472 for CONSTANT_CLASS_P expresisons.
1474 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1477 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1479 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1481 PR tree-optimization/27779
1482 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1483 initial_condition instead of CHREC_LEFT.
1485 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1487 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1488 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1489 Make prototypes ISO C90.
1491 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1492 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1494 * see.c (see_analyze_one_def): Correct check.
1495 (see_get_extension_data): Check if extension is parallel.
1496 (see_get_extension_reg): Likewise.
1498 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1501 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1502 into register for (code == GTU).
1504 2006-05-29 Roger Sayle <roger@eyesopen.com>
1506 PR tree-optimization/24964
1507 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1508 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1509 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1510 abs(x)*abs(x) as x*x for scalar floating point modes.
1512 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1515 * lambda-code.c (perfect_nestify): Don't copy statements
1516 in the inner loop: move them to the inner loop header.
1518 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1521 * c-tree.texi: Document OpenMP directives and clauses.
1523 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1525 * varasm.c (globalize_decl): Fix indentation.
1527 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1530 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1531 pass_fre, pass_store_ccp, pass_copy_prop,
1532 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1533 pass_return_slot, pass_object_size, pass_lim,
1534 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1535 pass_loop_prefetch and pass_stdarg.
1537 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1539 * config/bfin/bfin.opt (mfdpic): New option.
1540 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1541 (EXTRA_MULTILIB_PARTS): Likewise.
1542 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1543 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1545 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1546 (CRT_CALL_STATIC_FUNCTION): New.
1547 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1549 (CRT_CALL_STATIC_FUNCTION): New.
1550 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1552 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1553 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1554 (initialize_trampoline): Changed to handle FD-PIC code generation.
1555 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1556 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1557 (override_options): Disallow -mid-shared-library -mfdpic combination.
1558 Can't do unaligned ops if FD-PIC.
1559 Turn off flag_pic if trying to generate non-id-shared-library
1560 non-fdpic code, since it's not supported.
1561 (bfin_assemble_integer): New function.
1562 (TARGET_ASM_INTEGER): Define.
1563 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1565 * config/bfin/crtn.s: Restore them.
1566 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1568 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1569 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1570 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1571 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1572 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1574 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1575 FDPIC_REGS and FDPIC_FPTR_REGS.
1576 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1577 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1578 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1579 (load_funcdescsi): New pattern.
1580 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1581 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1582 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1584 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1586 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1589 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1591 * tree-flow.h: Remove the prototype for add_type_alias.
1592 * tree-ssa-alias.c (add_type_alias): Remove.
1594 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1596 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1597 config/fr30/fr30.md, config/i386/i386-interix.h,
1598 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1599 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1600 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1601 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1602 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1603 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1604 Follow spelling conventions.
1605 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1606 Follow spelling conventions.
1608 2006-05-27 Richard Guenther <rguenther@suse.de>
1611 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1612 to produce a constant of value 1 of generic type.
1614 2006-05-27 Dirk Mueller <dmueller@suse.de>
1616 * cgraphunit.c (decide_is_function_needed): Fix wrong
1619 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1621 PR rtl-optimization/27661
1622 * reload.c (find_reloads): When reloading a VOIDmode constant
1623 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1624 use Pmode as mode of the reload register.
1626 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1628 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1629 is enabled at -O and above.
1631 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1634 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1637 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1640 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1641 for anonymous variables explicitly declared by front ends.
1643 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1645 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1646 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1647 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1648 ref-all pointers, run a finalization pass for them.
1649 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1650 (finalize_ref_all_pointers): New function.
1651 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1652 regular pointer type to a ref-all pointer type.
1653 (get_tmt_for): Return the special memory tag for ref-all pointers.
1655 2006-05-25 Richard Guenther <rguenther@suse.de>
1658 * fold-const.c (fold_binary): Do not look at the stripped
1659 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1661 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1663 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1664 for LT and GT if the computed range is effectively empty.
1666 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1669 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1670 mips_quad_format formats instead of ieee_single_format,
1671 ieee_double_format and ieee_quad_format formats, respectively.
1673 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1675 PR tree-optimization/27639
1676 PR tree-optimization/26719
1677 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1678 call to scev_probably_wraps_p.
1679 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1680 used_in_pointer_arithmetic_p, convert_step): Removed.
1681 (nowrap_type_p): New function.
1682 (scev_probably_wraps_p): Rewritten.
1683 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1684 chrec_convert if chrec_convert_aggressive might have been used.
1685 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1686 scev_direction): New functions.
1687 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1688 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1689 instead of convert_step.
1690 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1691 (convert_step): Declaration removed.
1692 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1694 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1696 * df-core.c: Added to header comments.
1697 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1698 df_ur_bb_info, df_urec_bb_info): Added comments.
1699 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1700 urec, ri problems): Fixed header comments.
1701 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1702 code from df_rd_transfer_function.
1704 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1706 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1707 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1708 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1710 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1712 * expr.c (undefined_operand_subword_p): New.
1713 (emit_move_multi_word): Do not generate move from undefined bits
1714 of a paradoxical subreg.
1716 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1718 PR rtl-optimization/27736
1719 * combine.c (replaced_rhs_value): New variable.
1720 (combine_instructions): Set it.
1721 (distribute_notes): When distributing a note in replaced_rhs_insn,
1722 check whether the value was used in replaced_rhs_value.
1724 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1727 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1728 add_referenced_var instead of add_referenced_tmp_var.
1729 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1730 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1732 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1733 tree_optimize_tail_calls_1): Use add_referenced_var.
1734 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1735 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1736 Use add_referenced_var.
1737 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1738 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1739 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1740 Use add_referenced_var.
1741 * tree-dfa.c (struct walk_state): Remove.
1742 (find_referenced_vars): Remove walk state and vars_found hash table.
1743 (make_rename_temp): Use add_referenced_var.
1744 (find_vars_r): Pass less parameters to add_referenced_var.
1745 (referenced_var_p): New. Is var in referenced_var hash table.
1746 (referenced_var_insert): Assert var isn't already in hash table.
1747 (add_referenced_var): Don't need walk_state parameter. Add var if it
1748 isn't already in the hash table.
1749 (add_referenced_tmp_var): Remove.
1750 (find_new_referenced_vars_1): Use add_referenced_var.
1751 * tree-ssa-pre.c (create_expression_by_pieces,
1752 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1753 Use add_referenced_var.
1754 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1755 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1756 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1758 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1759 vect_create_data_ref_ptr, vect_create_destination_var,
1760 vect_init_vector, vect_build_loop_niters,
1761 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1762 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1763 Use add_referenced_var.
1764 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1765 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1766 (add_referenced_var): Add prototype.
1767 * tree-ssa-structalias.c (get_constraint_for,
1768 intra_create_variable_infos): Use add_referenced_var.
1770 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1772 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1773 big-endian paradoxical subregs.
1774 * var-tracking.c (struct micro_operation_def): Document that,
1775 for modify micro operations, insn is the subsequent instruction.
1776 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1777 (var_reg_set, var_mem_set): ... new functions.
1778 (add_stores): Record subsequent insn.
1779 (compute_bb_dataflow): Use new functions for MO_USE.
1780 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1781 notes after the insn, and modify notes before the insn known
1782 to be the subsequent one.
1783 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1785 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1788 * config/i386/i386.c (ix86_expand_builtin): Use
1789 gen_sse3_monitor64 for TARGET_64BIT.
1791 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1793 PR rtl-optimization/26375
1794 PR rtl-optimization/26855
1795 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1797 (df_ru_bb_local_compute): Reversed statements and removed bogus
1798 comment explaining why they should be in wrong order.
1799 (df_ru_dump, df_rd_dump): Enhanced debug info.
1800 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1802 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1803 reaching uses and fixed space problem.
1805 2006-05-23 Jan Hubicka <jh@suse.cz>
1807 * cgraphunit.c (decide_is_function_needed): Also nested functions
1808 and functions declared inline can be optimized out at -O0.
1810 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1812 * doc/install.texi (Configuration): Remove reference to CrossGCC
1816 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1819 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1820 ix86_compare_emitted is non-NULL.
1822 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1825 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1828 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1830 PR rtl-optimization/25514
1831 * combine.c (replaced_rhs_insn): New variable.
1832 (combine_instructions): Set replaced_rhs_insn when trying to replace
1833 a SET_SRC with a REG_EQUAL note.
1834 (distribute_notes): Use replaced_rhs_insn when determining the live
1835 range of a REG_DEAD register.
1837 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1838 Anatoly Sokolov <aesok@post.ru>
1840 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1841 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1842 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1843 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1844 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1845 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1846 at90usb647, at90usb1286 and at90usb1287 devices.
1847 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1848 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1850 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1852 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1854 2006-05-22 Richard Guenther <rguenther@suse.de>
1857 2006-01-31 Richard Guenther <rguenther@suse.de>
1858 Paolo Bonzini <bonzini@gnu.org>
1860 * doc/install.texi (--disable-libgcc-math): Document.
1862 2006-05-22 Richard Guenther <rguenther@suse.de>
1865 2006-01-31 Richard Guenther <rguenther@suse.de>
1867 * doc/invoke.texi (-msselibm): Document.
1868 * target.h (expand_library_builtin): New target hook.
1869 * builtins.c (expand_builtin): Use expand_library_builtin.
1870 (default_expand_library_builtin): New function.
1871 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1872 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1873 (link_gcc_math_spec): Declare.
1874 (static_specs): Add link_gcc_math_spec.
1875 * expr.h (default_expand_library_builtin): Declare.
1876 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1877 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1878 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1879 * config/i386/i386.opt (msselibm): New target option.
1880 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1881 (ix86_init_sse_abi_builtins): New function.
1882 (ix86_expand_library_builtin): Likewise.
1883 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1884 (override_options): Handle error conditions wrt -msselibm.
1885 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1886 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1887 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1890 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1893 * c-common.c (self_promoting_args_p): Skip erroneous args.
1896 * c-decl.c (finish_struct): Skip erroneous fields.
1898 2006-05-22 Nick Clifton <nickc@redhat.com>
1900 * config/cris/cris.opt (march): Remove VarExists attribute.
1901 (max-stackframe=): Likewise.
1903 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1905 * doc/rtl.texi: Fix a typo.
1906 * see.c: Fix comment typos.
1908 * tree-ssa-structalias.h (alias_info): Remove num_references.
1910 2006-05-21 Mike Stump <mrs@apple.com>
1912 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1914 (darwin_pragma_options): Use BAD instead.
1915 (darwin_pragma_unused): Likewise.
1916 (darwin_pragma_ms_struct): Likewise.
1918 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1920 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1922 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1924 PR rtl-optimization/27671
1925 * simplify-rtx.c (simplify_relational_operation_1): Fix
1926 simplifications of (eq/ne (xor x y) y) and
1927 (eq/ne (xor x y) x).
1929 PR tree-optimization/26622.
1930 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1933 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1935 * tree-cfg.c: Prune whitespace.
1936 (debug_tree_cfg): Point to correct header containing the
1939 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1942 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1944 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1947 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1948 or sorry count is non zero.
1950 2006-05-20 Andreas Schwab <schwab@suse.de>
1952 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1954 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1955 Kenneth Zadeck <zadeck@naturalbridge.com>
1957 PR rtl-optimization/26855
1959 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1961 (df_scan_alloc): Added code to properly handle multiword hard
1962 registers and add all_blocks parameter.
1963 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1964 code to properly handle multiword hard registers.
1965 (df_rescan_blocks): Added code to remove deleted blocks from
1967 (df_ref_create_structure, df_ref_record): Added code to properly
1969 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1970 and set DF_REF_PARTIAL.
1971 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1972 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1973 (df_scan_add_problem): Added flags parameter.
1974 (df_ref_create_structure): Changed switching structure.
1975 (df_bb_refs_record): Fixed case where duplicate artificial refs
1976 were created. Changed location of flags.
1977 (df_record_entry_block_defs): Added code to make stack pointer
1978 live in entry block. Refined cases where frame pointer is needed.
1979 Changed location of flags.
1980 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1981 (df_set_state): Removed function.
1982 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1983 df_insn_create_insn_record, df_insn_refs_delete,
1984 df_ref_create_structure): Formatting changes.
1985 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1986 df_delete_basic_block): New function.
1987 (df_init): Changed location of flags.
1988 (df_add_problem): Added flags parameter and the way flags are
1990 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1991 debug_df_chain): Improved debugging output.
1992 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1993 (df_refs_chain_dump): Removed df parameter.
1994 (df_iterative_dataflow): Added consistency check.
1995 (df_prune_to_subcfg): Made public.
1996 (df_analyze_problem): Added blocks_to_init parameter and made
1998 (df_ref_record, df_bb_refs_record, df_mark_reg,
1999 df_record_exit_block_uses): Whitespace changes.
2000 (df_dump): Whitespace changes.
2001 * df.h: Some reordering to remove forward references.
2002 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2003 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2004 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2005 (dataflow.flags): New field.
2006 (df.flag): Deleted field.
2007 (df_alloc_function): Added additional bitmap parameter.
2008 (df_dependent_problem_function): New type.
2009 (df_problem.changeable_flags): New field.
2010 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2011 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2012 (df_mw_hardreg): New struct.
2013 (DF_INSN_UID_MWS): New macro.
2014 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2016 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2017 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2018 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2019 (df_set_state): Removed function.
2020 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2021 * df-problems.c (df_chain_dump): Removed df parameter.
2022 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2023 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2025 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2026 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2027 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2028 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2029 DF_REF_MUST_CLOBBER cases.
2030 (df_ru_bb_local_compute_process_def,
2031 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2032 df_lr_bb_local_compute, df_ur_bb_local_compute,
2033 df_chain_create_bb): Made subreg aware.
2034 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2035 df_lr_bb_local_compute, df_lr_bb_local_compute,
2036 df_chain_create_bb): Cleanup to use proper macros.
2037 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2038 code to fixup bitvectors.
2039 (df_ri_alloc): Cleared lifetime.
2040 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2041 df_create_unused_note): New function.
2042 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2043 REG_DEAD and REG_UNUSED notes as well as register information.
2044 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2045 df_chains_dump): Fixed crash if problem was never run.
2046 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2047 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2048 df_ri_add_problem): Processes flags in uniform manner.
2049 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2050 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2051 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2052 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2053 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2054 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2055 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2056 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2057 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2058 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2059 * see.c (see_initialize_data): Ditto.
2060 * final.c (rest_of_clean_state) Added regstack_completed.
2061 * rtl.h (regstack_completed): Ditto.
2062 * reg-stack.c (regstack_completed): Ditto.
2064 2006-05-19 Mike Stump <mrs@apple.com>
2066 * c-tree.h (default_conversion): Remove.
2067 * c-common.h (default_conversion): Add.
2069 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2071 * tree-vrp.c (valid_value_p): New function.
2072 (adjust_range_with_scev): Fail if the value of bound is not
2075 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2077 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2078 (mips_fallback_frame_state): Use syscall numbers to determine
2079 the appropriate li instruction for the current ABI. Only use
2080 __NR_sigreturn for o32.
2082 2006-05-19 Nicolas Setton <setton@adacore.com>
2084 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2085 * langhooks.c (lhd_dwarf_name): New function.
2086 * langhooks-def.h (lhd_dwarf_name): Declare.
2087 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2088 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2089 * ada/misc.c (gnat_dwarf_name): New function.
2090 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2092 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2094 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2096 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2097 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2098 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2099 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2100 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2101 determine the size of Wtype, etc.
2102 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2103 (swfloatfuncs): New variable.
2104 (dwfloatfuncs): Likewise.
2105 (lib2funcs): Remove floating-point conversion functions from
2106 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2107 the set of conversion routines needed. Allow entries to specify
2108 an object name, filename and word size. Update users accordingly.
2109 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2110 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2114 2006-02-08 Roger Sayle <roger@eyesopen.com>
2117 * config/fixtfdi.c: New libgcc source file.
2118 * config/fixunstfdi.c: New source file.
2119 * config/floatditf.c: New source file.
2120 * config/floatunditf.c: New souce file.
2121 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2122 files above instead of config/mips/_tilib.c.
2123 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2125 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2127 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2128 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2130 2006-05-18 Mike Stump <mrs@apple.com>
2132 Fix up vla, vm and [*] sematics.
2138 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2139 (c_vla_unspec_p): Add.
2140 (c_vla_type_p): Add.
2141 * c-decl.c (struct c_scope): Add had_vla_unspec.
2142 (build_array_declarator): Add support for [*].
2143 (grokdeclarator): Likewise.
2144 (grokparms): Likewise.
2145 (get_parm_info): Likewise.
2146 * c-objc-common.c (c_vla_unspec_p): Likewise.
2147 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2148 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2149 typeof when argument is a variably modified type not inside sizeof or alignof.
2150 (c_parser_direct_declarator_inner): Propagate errors.
2151 (c_parser_sizeof_expression): Add support for [*].
2152 (c_parser_parms_declarator): Initialize had_vla_unspec.
2153 (c_parser_parms_list_declarator): Likewise.
2154 * c-typeck.c (c_vla_type_p): Add.
2155 (composite_type): Add support for vla compositing.
2156 (comptypes_internal): Add support for vla compatibility.
2157 (c_expr_sizeof_expr): Evaluate vla arguments.
2158 * tree.c (variably_modified_type_p): Update comment for [*].
2160 2006-05-18 Michael Matz <matz@suse.de>
2163 * config.host: Make assignments to host_xmake_file cumulative.
2164 * config.host (*-darwin*): Test $host, not $target.
2166 2006-05-12 Stuart Hastings <stuart@apple.com>
2168 * config/i386/i386.opt (-mstackrealign): New flag.
2169 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2170 (ix86_handle_cconv_attribute): Emit error when
2171 force_align_arg_pointer attribute collides with too many regparms.
2172 (ix86_function_regparm): Limit regparms when used with
2173 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2174 Support stack-realigning prologue in non-main functions. Emit
2175 warning for nested functions under -mstackrealign, emit error for
2176 nested functions with force_align_arg_pointer attribute.
2177 * doc/extend.texi (force_align_arg_pointer): Document it.
2178 * doc/invoke.texi (-mstackrealign): Document it.
2180 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2182 PR rtl-optimization/27477
2183 * combine.c (try_combine): Don't split a parallel consisting
2184 of two sets into two individual sets if both sets reference
2187 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2189 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2190 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2192 * doc/options.texi (VarExists): Updated.
2194 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2196 * unwind-dw2.c: Add declarations for uw_update_context and
2198 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2199 detected, advance frame state and context once to skip over stub.
2201 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2205 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2206 Call rewrite_into_loop_closed_ssa only when something changed.
2207 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2208 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2209 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2210 Test for perfect_nest_p here. Fix formating.
2211 (replace_uses_equiv_to_x_with_y): Fix formating.
2212 (stmt_uses_op): Removed.
2213 (can_convert_to_perfect_nest): Removed loopivs parameter.
2214 Complete the test by checking the scalar dependences.
2215 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2218 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2221 From Dan Kegel <dank@kegel.com>:
2222 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2224 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2226 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2227 if the element type is variably modified without recursing.
2229 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2232 * tree-loop-linear.c (try_interchange_loops): Test for
2233 no data dependences.
2235 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2237 PR tree-optimization/27548
2238 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2239 range of ssa names that appear on abnormal edges.
2240 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2241 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2243 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2246 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2248 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2251 * tree.h (OMP_PARALLEL_COMBINED): Define.
2252 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2253 (new_omp_context): Add is_combined_parallel argument.
2254 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2255 new_omp_context caller.
2256 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2257 Adjust gimplify_scan_omp_clauses callers.
2258 (omp_is_private): Issue errors if iteration variable is firstprivate
2259 or reduction in the current context.
2260 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2261 on combined parallel workshare constructs.
2263 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2265 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2266 (gcc-options.o): New rule.
2268 * optc-gen.awk: Protect variables for gcc-options.o with
2269 #ifdef GCC_DRIVER/#endif.
2271 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2273 Fix PR tree-optimization/27373
2274 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2275 (forward_propagate_addr_expr): Update call.
2277 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2279 * doc/options.texi: Move the Negative option.
2281 2006-05-16 Richard Guenther <rguenther@suse.de>
2283 PR tree-optimization/22303
2284 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2286 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2287 ccp_fold did not simplify the statement.
2289 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2292 * Makefile.in (GCC_OBJS): New.
2293 (OBJS-common): Add opts-common.o.
2294 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2295 (cpp$(exeext)): Likewise.
2296 (gcc.o): Also depend on opts.h.
2297 (opts-common.o): New.
2299 * common.opt (gcoff): Add Negative(gdwarf-2).
2300 (gdwarf-2): Add Negative(gstabs).
2301 (gstabs): Add Negative(gstabs+).
2302 (gstabs+): Add Negative(gvms).
2303 (gvms): Add Negative(gxcoff).
2304 (gxcoff): Add Negative(gxcoff+).
2305 (gxcoff+): Add Negative(gcoff).
2306 * config/i386/i386.opt (m32): Add Negative(m64).
2307 (m64): Add Negative(m32).
2309 * doc/options.texi: Document the Negative option.
2311 * gcc.c: Include "opts.h".
2312 (main): Call prune_options after expandargv.
2314 * optc-gen.awk: Generate common declarations for all flag
2315 variables in options.c. Output the neg_index field.
2317 * opts.c (find_opt): Moved to ...
2318 * opts-common.c: Here. New file.
2320 * opts.h (cl_option): Add a neg_index field.
2322 (prune_options): Likewise.
2324 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2327 * omp-low.c (expand_omp_parallel): Don't assert
2328 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2329 instead search for it.
2332 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2335 2006-05-16 Andreas Schwab <schwab@suse.de>
2337 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2340 2006-05-15 Roger Sayle <roger@eyesopen.com>
2343 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2344 integer constants other than zero are only legitimate on TARGET_64BIT.
2345 <CONST_VECTOR> Only zero vectors are legitimate.
2346 (ix86_cannot_force_const_mem): Integral and vector constants can
2347 always be put in the constant pool.
2349 2006-05-16 DJ Delorie <dj@redhat.com>
2351 * crtstuff.c (__dso_handle): Set section from
2352 TARGET_LBIGCC_SDATA_SECTION if defined.
2353 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2354 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2356 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2359 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2362 2006-05-16 Ben Elliston <bje@au.ibm.com>
2364 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2366 2006-05-15 Per Bothner <per@bothner.com>
2368 * tree.c: (last_annotated_node): Use source_locus typedef.
2369 This permits bootstrapping with --enable-mapped-location.
2371 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2373 PR tree-optimization/26830
2374 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2375 (info_for_ssa_name, current_info_for_ssa_name_age,
2376 blocks_to_update): New variables.
2377 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2378 (clear_ssa_name_info, initialize_flags_in_bb,
2379 mark_block_for_update): New functions.
2380 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2381 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2382 prepare_def_site_for): Use mark_block_for_update.
2383 (mark_def_interesting): Assert that the processed block is marked in
2384 blocks_to_update. Do not take blocks argument.
2385 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2387 (rewrite_update_init_block, rewrite_update_stmt): Only process
2388 blocks with statements to rewrite.
2389 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2390 (update_ssa): Initialize and free blocks_to_update. Do not
2391 clear flags on statements. Do not use blocks bitmap.
2392 * tree.h (SSA_NAME_AUX): Removed.
2393 (struct tree_ssa_name): Removed aux field.
2394 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2396 2006-05-15 Richard Guenther <rguenther@suse.de>
2398 PR tree-optimization/27603
2399 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2400 Do computations in original type.
2402 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2404 * see.c: Code style changes such as redundant paranthesis,
2405 redundant intialization of local variables etc.
2406 (see_main): Declared now as static.
2407 * doc/invoke.texi: Update that -fsee is not enabled by
2410 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2412 * omp-low.c (check_omp_nesting_restrictions): New function.
2413 (scan_omp_1): Call it.
2416 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2417 construct, return *VAR.
2419 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2421 PR rtl-optimization/27406
2422 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2425 2006-05-14 Roger Sayle <roger@eyesopen.com>
2427 PR rtl-optimization/27538
2428 * combine.c (expand_compound_operation): Call gen_lowpart
2429 before calling simplify_shift_const.
2431 2006-05-14 Roger Sayle <roger@eyesopen.com>
2433 PR rtl-optimization/22563
2434 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2435 a fixed width bitfield, always force the intermediates into psuedos.
2437 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2440 * mkconfig.sh: Use operator = instead of == for test.
2442 2006-05-13 Nick Clifton <nickc@redhat.com>
2444 * dwarf2out.c (dbx_reg_number): Check return value from
2445 LEAF_REG_REMAP and only use it if it is valid.
2446 (multiple_reg_loc_descriptor): Likewise.
2448 2006-05-13 Richard Guenther <rguenther@suse.de>
2450 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2453 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2455 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2456 information attached to non-INSNs such as NOTEs.
2457 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2459 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2461 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2463 * config/s390/s390.md: Adjust comment describing On constraint.
2465 2006-05-11 Jan Hubicka <jh@suse.cz>
2467 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2468 to be output at -O0.
2470 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2473 * fold-const.c (size_binop): Move sanity check for arguments to
2474 the beginning of the function.
2477 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2480 2006-05-11 Richard Guenther <rguenther@suse.de>
2483 * fold-const.c (fold_unary): Handle intermediate conversion
2484 to a pointer type like intermediate conversion to an integer
2485 type in folding of (T1)(T2)var to var.
2486 Match the code to the comment in the final conversion for
2487 (T1)(T2)var to (T1)var regarding to type precision. Rather
2488 than disallow T1 being of pointer type, assert that both T1
2489 and var are of pointer type or not. Make sure not to fall
2490 over the frontends lazyness wrt array to pointer decay though.
2492 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2494 * arm.c (arm_struct_value_rtx): Delete.
2495 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2496 (arm_init_cumulative_args): Always initialize nregs to zero.
2498 2006-05-10 Richard Guenther <rguenther@suse.de>
2500 PR tree-optimization/27532
2501 * tree-object-size.c (plus_expr_object_size): Fix typo.
2503 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2506 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2507 ashrdi_const, ashrdi3): Use a scratch register.
2509 2006-05-10 Richard Guenther <rguenther@suse.de>
2511 PR tree-optimization/27302
2512 * fold-const.c (operand_equal_p): For two comparisons,
2513 try comparison of one comparison code swapped if that yields
2516 2006-05-10 Ben Elliston <bje@au.ibm.com>
2518 * tree-pretty-print.c (pretty_print_string): No need to handle
2519 '\0' as a special character.
2521 * tree.h: Include "hashtab.h".
2522 (iterative_hash_expr): Use hashval_t in its prototype.
2523 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2525 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2528 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2529 (hppa*64*-*-hpux11*): Ditto.
2530 (hppa[12]*-*-hpux11*): Ditto.
2532 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2535 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2537 2006-05-09 Michael Matz <matz@suse.de>
2539 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2540 host_extra_gcc_objs and host_xmake_file.
2541 (<*-*-linux*>): Don't overwrite host_xmake_file.
2542 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2543 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2544 (host_detect_local_cpu): Declare.
2545 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2546 * config/i386/i386.c (override_options): Handle -mtune=native
2548 * config/i386/x-i386: New file.
2549 * config/i386/driver-i386.c: New file.
2550 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2553 2006-05-09 Dirk Mueller <dmueller@suse.de>
2554 Richard Guenther <rguenther@suse.de>
2557 * fold-const.c (fold_read_from_constant_string): Relax check
2558 for matching types to matching modes.
2560 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2562 PR rtl-optimization/27335
2563 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2566 2006-05-08 Chao-ying Fu <fu@mips.com>
2567 Richard Sandiford <richard@codesourcery.com>
2569 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2570 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2571 * config/mips/mips.md (UNSPEC_SCC): New constant.
2572 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2573 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2574 (mips_emit_compare): Use it.
2575 (mips_expand_vcondv2sf): New function.
2577 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2579 Fix PR tree-optimization/27093
2580 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2581 renaming when they become not-used_alone.
2583 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2585 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2586 relocation and relocation stubs.
2588 2006-05-08 Eric Christopher <echristo@apple.com>
2590 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2593 2006-05-08 Jan Hubicka <jh@suse.cz>
2596 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2597 unused static functions are needed.
2599 2006-05-08 Roger Sayle <roger@eyesopen.com>
2602 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2603 of a reg_equiv_constant if the result is a legitimate constant.
2605 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2608 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2609 standard 80387 constants, raise the cost to prevent
2610 compress_float_constant() to generate load from memory.
2612 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2614 * config/arm/constraints.md (c): Fix a typo.
2616 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2619 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2622 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2624 (_mm_mwait): Likewise.
2626 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2628 (sse3_monitor): Make it 32bit only.
2629 (sse3_monitor64): New. 64bit monitor.
2631 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2634 * config/i386/i386.c (classify_argument): Skip fields with invalid
2637 2006-05-07 Richard Guenther <rguenther@suse.de>
2639 PR tree-optimization/27409
2640 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2641 Do not try to find zero-sized subvars.
2643 2006-05-07 Richard Guenther <rguenther@suse.de>
2645 PR tree-optimization/27136
2646 * tree-ssa-loop-niter.c (get_val_for): Correct function
2647 comment, assert requirements.
2648 (loop_niter_by_eval): Stop processing if the iterated
2649 value did not simplify.
2651 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2653 * opts.c (flag_see): remove its setting at -O3.
2655 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2657 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2658 * arm/constraints.md: New file.
2659 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2660 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2661 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2662 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2663 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2664 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2665 * arm.md: Include constraints.md.
2666 (thumb_movsi_insn): Use satisfies_constraint_J.
2667 (movhi, movqi): Use satisfies_constraint_I.
2669 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2671 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2672 for atmeg a645 device.
2674 2006-05-06 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/27151
2677 * tree-vect-transform.c (vectorizable_condition): Punt on
2678 values that have a different type than the condition.
2680 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2683 * c-parser.c (c_parser_cast_expression): Only insert casts into
2684 hash table if pointer.
2685 * function.c (used_types_insert_helper): Rename from
2687 (used_types_insert): Call used_types_insert_helper.
2688 * function.h (used_types_insert): Accept only one argument.
2690 2006-05-05 David Edelsohn <edesohn@gnu.org>
2692 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2693 scratch with output modifier.
2695 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2698 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2699 with output modifier.
2701 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2704 * config/mips/mips.c (mips_symbolic_address_p): Return true
2705 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2706 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2708 2006-05-04 Richard Guenther <rguenther@suse.de>
2710 PR tree-optimization/14287
2711 PR tree-optimization/14844
2712 PR tree-optimization/19792
2713 PR tree-optimization/21608
2714 PR tree-optimization/27090
2715 * tree-ssa-pre.c (try_combine_conversion): New function.
2716 (compute_avail): After constructing the value-handle
2717 expression, use try_combine_conversion to combine NOP_EXPRs
2718 with previous value-handle expressions and use the result if it
2721 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2723 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2725 2006-05-04 Jan Hubicka <jh@suse.cz>
2728 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2730 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2732 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2733 that this only matches CONST_INTs. All users changed to VOIDmode
2736 * config/bfin/bfin.c: Include "optabs.h".
2737 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2739 (enum bfin_builtins): Add a number of fractional and vector builtins.
2740 (bfin_init_builtins): Likewise.
2741 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2742 (safe_vector_operand, bfin_expand_binop_builtin,
2743 bfin_expand_unop_builtin): New functions.
2744 (bfin_expand_builtin): Handle the new builtins.
2745 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2748 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2751 * Makefile.in (OBJS-common): Add see.o.
2752 (see.o): Add dependencies.
2753 * common.opt (fsee): New flag for the see optimization was added.
2754 * opts.c (flag_see): Initialized.
2755 * passes.c (init_optimization_passes, pass_see): New pass.
2756 * rtl.h (see_main): Declaration as extern.
2757 * timevar.def (TV_SEE): New.
2758 * tree-pass.h (pass_see): Declaration as extern.
2759 * invoke.texi (-fsee): Document.
2760 * recog.c (validate_simplify_insn): New function.
2761 * recog.h (validate_simplify_insn): Declaration as extern.
2762 * df-problems.c (df_chain_dump): Check for NULL.
2764 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2765 Daniel Berlin <dberlin@dberlin.org>
2767 * cfgrtl.c (insert_insn_bb_end_new): New function.
2768 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2770 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2772 * df.h (struct web_entry): Moved from web.c.
2773 (union_defs): Declaration as extern.
2774 (unionfind_root): Likewise.
2775 (unionfind_union): Likewise.
2776 * web.c (struct web_entry): Moved to df.h.
2777 (unionfind_root): Remove static declaration.
2778 (unionfind_union): Likewise.
2779 (union_defs): Likewise and generalize to use callback function.
2780 (web_main): Update arguments for union_defs function call.
2782 2006-05-04 Richard Guenther <rguenther@suse.de>
2784 PR tree-optimization/26447
2785 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2786 produce SSA_NAME copies before the store stmt to avoid
2787 breaking exception handling.
2789 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2792 * gimplify.c (omp_is_private): If var is shared in some outer context,
2793 return false instead of true. Stop searching on parallel context
2796 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2799 * coverage.c: Use get_gcov_unsigned_t() instead of
2800 unsigned_type_node all over.
2802 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2804 PR tree-optimization/27381
2805 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2806 maintain the same immediate_use links.
2807 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2808 node rather than segfaulting.
2810 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2813 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2814 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2815 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2817 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2819 Fix PR tree-optimization/26626
2820 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2822 * tree-ssa-operands.c (access_can_touch_variable): Allow
2823 typecasting through union pointers.
2825 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2828 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2829 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2830 to find if var will be a global variable even in the nested context.
2831 (omp_copy_decl): Only check for global variable at the end, it might
2832 be overridden in outer contexts.
2833 (scan_sharing_clauses): For global variables don't create a field.
2834 (lower_rec_input_clauses): Do nothing for global shared variables.
2835 Emit a barrier at the end of ILIST if there were any decls in both
2836 firstprivate and lastprivate clauses.
2837 (lower_send_clauses): Do nothing for global variables except for
2840 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2842 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2843 of the correct signedness is returned.
2845 2006-05-02 Jeff Law <law@redhat.com>
2847 PR tree-optimization/27364
2848 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2849 multiply expressions.
2851 2006-05-02 Tom Tromey <tromey@redhat.com>
2853 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2855 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2858 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2859 -mthumb -fPIC are used.
2861 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2862 Joshua Kinard <kumba@gentoo.org>
2865 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2866 with 64-bit pointers.
2868 2006-05-02 Paul Brook <paul@codesourcery.com>
2870 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2872 (create_fix_barrier): Check that a suitable barrier location is
2874 (arm_reorg): Include ftmp->address in allowable range of addresses.
2876 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2879 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2882 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2885 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2886 around RESULT_DECL for result passed by reference.
2887 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2888 * omp-low.c (use_pointer_for_field): Don't look at
2889 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2890 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2891 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2892 time or var for passing by reference for
2893 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2894 TREE_ADDRESSABLE variables when passing by reference.
2896 * omp-low.c (dump_omp_region): Fix output formatting.
2899 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2900 (expand_omp_parallel): Likewise.
2901 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2904 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2905 on statement list containing also constructors and destructors.
2906 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2909 * except.c (duplicate_eh_regions): Fix clearing of
2910 cfun->eh->region_array entries.
2912 2006-05-01 DJ Delorie <dj@redhat.com>
2914 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2916 (gcc_cv_objdump): Likewise.
2917 * configure: Regenerated.
2919 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2922 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2923 templates for case 3 and 4.
2925 2006-05-01 DJ Delorie <dj@redhat.com>
2927 * vec.c: Include bconfig.h when appropriate.
2928 * Makefile.in (build/vec.o): Adjust dependencies.
2929 * mkconfig.sh: Make sure config.h isn't used for build machine
2932 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2934 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2936 (mark_phi_for_rewrite): New function.
2937 (insert_phi_nodes_for, mark_use_interesting): Call
2938 mark_phi_for_rewrite.
2939 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2940 (update_ssa): Initialize and free phis_to_rewrite.
2942 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2944 PR rtl-optimization/27291
2945 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2946 folded to a constant.
2948 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2950 PR tree-optimization/27283
2951 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2952 not whole # of iteration descriptions.
2953 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2954 uses abnormal ssa name.
2955 (niter_for_single_dom_exit): Ditto.
2956 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2957 return just the number of iterations.
2959 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2961 PR tree-optimization/27144
2962 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2963 (record_estimate): Only record constant upper bound.
2964 (infer_loop_bounds_from_undefined): Call
2965 compute_estimated_nb_iterations just once.
2966 (proved_non_wrapping_p): Renamed to ...
2967 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2968 (convert_step_widening, scev_probably_wraps_p): Call
2969 n_of_executions_at_most instead of proved_non_wrapping_p.
2970 (substitute_in_loop_info): Do not replace values in bounds.
2971 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2974 2006-05-01 Richard Henderson <rth@redhat.com>
2977 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2978 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2981 2006-05-01 Roger Sayle <roger@eyesopen.com>
2983 * c-typeck.c (parser_build_binary_op): Don't call the function
2984 unsigned_conversion_warning to spot operand/result type overflow.
2985 (build_binary_op): Instead, call convert_and_check instead of
2986 convert to report the problem when the operands are promoted.
2987 * c-common.c (unsigned_conversion_warning): Make static.
2988 * c-common.h (unsigned_conversion_warning): Delete prototype.
2990 2006-05-01 Richard Guenther <rguenther@suse.de>
2992 PR tree-optimization/26726
2993 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2995 (find_interesting_uses_address): ... we work around here
2996 by folding INDIRECT_REFs in the substituted base.
2998 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3000 * omp-low.c (dump_omp_region): Add newlines.
3002 2006-04-30 Roger Sayle <roger@eyesopen.com>
3004 * common.opt (Woverflow): New command line option.
3005 * c-common.c (constant_expression_warning): Check warn_overflow.
3006 (overflow_waring): Pass OPT_Woverflow to warning.
3007 (unsigned_conversion_warning): Likewise.
3008 (convert_and_check): Likewise.
3009 * doc/invoke.texi: Document new command line option.
3011 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3013 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3014 TARGET_NO_FP_IN_TOC for section anchors.
3015 (optimization_options): Enable section anchors for all
3016 non-"Objective" languages.
3018 2006-04-28 Eric Christopher <echristo@apple.com>
3020 * config/darwin-c.c (darwin_ms_struct): Move this
3021 (darwin_set_default_type_attributes): and this...
3022 * config/darwin.c: ... here.
3023 * config/darwin.h (darwin_ms_struct): Declare.
3025 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3029 2006-04-28 Roger Sayle <roger@eyesopen.com>
3032 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3033 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3034 an unsigned HOST_WIDE_INT.
3035 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3037 (really_start_incremental_init): No need to call convert because
3038 bitsize_zero_node is already of type bitsizetype.
3039 (push_init_level): Extract the value of constructor_index as an
3040 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3041 (process_init_element): Likewise.
3043 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3045 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3046 value before passing to make_relative_prefix.
3048 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3051 * builtins.c (expand_builtin_memset): Expand val in original mode.
3053 2006-04-27 Eric Christopher <echristo@apple.com>
3055 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3056 with #ifndef/#endif.
3057 * config/darwin-c.c (darwin_ms_struct): New.
3058 (darwin_pragma_ms_struct): Ditto.
3059 (darwin_set_default_type_attributes): Ditto.
3060 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3061 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3062 Register ms_struct pragma.
3063 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3064 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3065 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3066 darwin_set_default_type_attributes if TARGET_MACHO.
3068 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3070 PR tree-optimization/26854
3071 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3072 * doc/tree-ssa.texi: Update immuse iterator documentation.
3073 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3074 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3075 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3076 first_safe_imm_use, next_safe_imm_use): Remove.
3077 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3078 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3079 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3080 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3081 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3082 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3083 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3084 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3085 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3086 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3087 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3088 (perfect_nestify): Use new iterator.
3089 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3091 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3092 (next_imm_name): New field in struct immediate_use_iterator_d.
3093 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3094 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3095 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3096 * tree-cfg.c (replace_uses_by): Use new iterator.
3097 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3098 * tree-ssa-operands.c (correct_use_link): Remove.
3099 (finalize_ssa_use_ops): No longer call correct_use_link.
3101 2006-04-27 Stuart Hastings <stuart@apple.com>
3103 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3104 * config/t-darwin (crt3.o): Use it.
3105 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3106 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3107 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3108 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3109 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3112 2006-04-27 Roger Sayle <roger@eyesopen.com>
3114 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3115 size, force the intermediate into a new pseudo rather instead of
3116 performing both a bitwise AND and a bitwise IOR in memory.
3118 2006-04-27 Richard Guenther <rguenther@suse.de>
3120 PR rtl-optimization/26685
3121 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3122 this one "max-flow-memory-locations".
3124 2006-04-27 Richard Guenther <rguenther@suse.de>
3126 PR tree-optimization/25148
3127 * tree-vrp.c (compare_values): Remove code dealing with
3128 comparisons against type min/max value. Honour overflow
3129 and negative constants in code dealing with comparisons
3130 of plus and minus expressions.
3131 (value_inside_range): Use fold_binary with LE_EXPR and
3132 GE_EXPR rather than compare_values.
3134 2006-04-27 Dirk Mueller <dmueller@suse.de>
3136 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3139 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3141 * basic-block.h (safe_insert_insn_on_edge): Removed.
3142 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3144 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3145 Paolo Bonzini <bonzini@gnu.org>
3148 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3149 (simplify_and_const_int): Same.
3151 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3153 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3155 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3158 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3159 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3160 cgraph_global_info_ready.
3163 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3166 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3167 either decl or init is error_mark_node.
3170 * tree-flow.h (struct omp_region): Add sched_kind.
3171 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3172 instead of extracting omp for data.
3173 (expand_omp_for): Save extracted sched_kind.
3175 2006-04-25 Roger Sayle <roger@eyesopen.com>
3177 * expmed.c (store_bit_field): Also check whether the bitsize is
3178 valid for the machine's "insv" instruction before moving the
3179 target into a pseudo for use with the insv.
3180 * config/i386/predicates.md (const8_operand): New predicate.
3181 * config/i386/i386.md (extv, extzv, insv): Use the new
3182 const8_operand predicate where appropriate.
3184 2006-04-25 DJ Delorie <dj@redhat.com>
3186 * doc/install.texi (Specific): Clarify that this is not a list of
3187 supported hosts or targets.
3189 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3191 PR rtl-optimization/26725
3192 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3193 block's BB_DIRTY flag.
3195 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3197 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3200 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3201 to print an integer.
3203 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3205 * varasm.c (align_variable): New function.
3206 (get_block_for_decl): Apply align_variable to DECL before
3207 calculating section information.
3208 (assemble_variable): Split out alignment computation.
3210 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3212 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3215 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3217 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3218 MODE_PARTIAL_INT mode.
3219 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3220 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3222 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3223 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3225 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3227 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3229 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3230 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3231 MACFLAG_IH): Likewise.
3232 (movstricthi_1): Renamed from "*movstricthi".
3233 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3234 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3235 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3236 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3237 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3238 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3239 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3240 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3241 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3242 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3243 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3244 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3245 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3246 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3247 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3249 * doc/rtl.texi (ss_ashift): Improve wording.
3251 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3253 * dwarf2out.c (verify_marks_clear): New.
3254 (prune_unused_types): Call verify_marks_clear initially, not
3257 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3259 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3260 * doc/rtl.texi: Document them.
3261 * simplify-rtx.c (simplify_unary_operation,
3262 simplify_binary_operation_1): Don't abort when we see them.
3264 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3267 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3268 * configure.ac: Completely disregard languages that are not
3270 * configure: Regenerated.
3272 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3273 Richard Guenther <rguenther@suse.de>
3275 PR tree-optimization/27236
3276 * tree-inline.c (copy_body_r): Make sure to copy
3277 TREE_THIS_VOLATILE flag.
3279 2006-04-24 Richard Guenther <rguenther@suse.de>
3282 * tree-complex.c (update_parameter_components): Don't handle
3283 unused parameters which have no default def.
3285 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3286 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/27218
3289 * tree-inline.c (expand_call_inline): Strip useless type
3290 conversions for the return slot address.
3292 2006-04-24 Richard Guenther <rguenther@suse.de>
3294 * cfgloop.h (struct loops): Remove unused field array. Reorder
3296 (LOOP_PREFETCH): Remove.
3298 2006-04-24 Richard Guenther <rguenther@suse.de>
3300 PR tree-optimization/22525
3301 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3302 variable, adjust types of generated expressions.
3304 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3306 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3307 (tree-vect-patterns.o): Likewise.
3309 (cselib.o): Likewise.
3310 (loop-doloop.o): Likewise.
3311 (regclass.o): Likewise.
3312 (reload1.o): Likewise.
3313 (explow.o): Replace target.h with $(TARGET_H).
3314 (ipa-prop.o): Likewise.
3315 (ipa-cp.o): Likewise.
3316 (ipa-inline.o): Likewise.
3317 (reorg.o): Likewise.
3318 (reg-stack.o): Likewise.
3320 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3322 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3324 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3326 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3328 * configure.ac: Completely disregard languages that are not
3330 * configure: Regenerated.
3333 * c-common.h (c_build_bitfield_integer_type): Declare.
3334 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3335 * c-common.c (c_build_bitfield_integer_type): ... here.
3337 2006-04-23 Roger Sayle <roger@eyesopen.com>
3340 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3341 a SImode SUBREG of a floating point register after no_new_pseudos.
3343 2006-04-23 Roger Sayle <roger@eyesopen.com>
3345 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3346 identify potentially eliminable registers to additionally catch
3347 VIRTUAL_INCOMING_ARGS_REGNUM.
3348 (addsi3): Update the conditions on when to use addsi_small_int.
3350 2006-04-23 Roger Sayle <roger@eyesopen.com>
3353 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3354 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3355 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3357 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3359 * fold-const.c (range_predecessor): Use operand_equal_p
3360 as the predicate for equality.
3361 (range_successor): Likewise.
3363 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3366 * config/soft-fp/op-common.h: Fix a typo.
3368 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3371 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3372 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3374 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3376 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3378 * doc/tm.texi: Fix a typo.
3380 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3382 * dwarf2out.c (struct die_struct): Document that die_sib makes
3383 a circular linked list.
3384 (FOR_EACH_CHILD): New.
3385 (reverse_die_lists): Delete.
3386 (reverse_all_dies): Delete.
3387 (add_dwarf_attr): Correct documentation.
3388 (remove_child_with_prev): New.
3389 (remove_child_TAG): Update for change to die_struct, use
3390 remove_child_with_prev.
3391 (add_child_die): Update for change to die_struct.
3392 (splice_child_die): Use remove_child_with_prev and add_child_die.
3393 (print_die): Use FOR_EACH_CHILD.
3394 (die_checksum): Likewise.
3395 (assign_symbol_names): Likewise.
3396 (output_location_lists): Likewise.
3397 (build_abbrev_table): Likewise.
3398 (calc_die_sizes): Likewise.
3399 (mark_dies): Likewise.
3400 (unmark_dies): Likewise.
3401 (unmark_all_dies): Likewise.
3402 (output_die): Likewise.
3403 (prune_unused_types_mark): Likewise.
3404 (prune_unused_types_walk): Likewise.
3405 (same_die_p): Update for change to die_struct.
3406 (break_out_includes): Likewise.
3407 (prune_unused_types_prune): Likewise.
3408 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3409 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3411 (dwarf2out_finish): Don't call reverse_all_dies.
3413 2006-04-21 Eric Christopher <echristo@apple.com>
3415 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3416 in comments and function names.
3418 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3421 * c-typeck.c (digest_init): Robustify.
3423 * c-typeck.c (pop_init_level): Simplify.
3425 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3427 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3429 2006-04-21 Paul Brook <paul@codesourcery.com>
3431 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3432 hardware floating point.
3434 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3436 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3439 2006-04-21 Nick Clifton <nickc@redhat.com>
3441 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3444 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3447 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3448 C++ lang type in traceback table for Objective-C++.
3450 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3452 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3454 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3456 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3459 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3460 were errors. Remove check for erroneous objects.
3462 2006-04-20 Jeff Law <law@redhat.com>
3464 PR tree-optimization/26854
3465 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3466 checking for zero or one use.
3467 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3468 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3469 * tree-ssa-reassoc.c (negate_value): Similarly.
3470 (reassociate_bb): Similarly.
3472 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3474 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3475 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3476 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3478 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3480 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3481 fp regs if the last fp arg doesn't fit in regs.
3483 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3486 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3487 that the last insn has the REG_INC note.
3489 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3490 Nathan Sidwell <nathan@codesourcery.com>
3493 * stor-layout.c (update_alignment_for_field): Do not align
3495 (place_union_field): Place union field at the start of the union.
3496 (place_field): Move ERROR_MARK check later, and use the current
3497 allocation position to maintain monotonicity.
3499 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3501 * dominance.c: Include timevar.h.
3502 (calculate_dominance_info): Use TV_DOMINANCE.
3503 * timevar.def (TV_DOMINANCE): New timevar.
3504 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3506 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3508 PR rtl-optimization/14261
3509 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3510 move would be an INSV insn.
3511 (noce_process_if_block): Don't optimize if the destination is a
3512 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3514 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3516 * config/s390/s390.md: Add comments with the instructions emitted
3517 by an insn pattern if macros are used.
3519 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3521 PR rtl-optimization/26026
3522 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3523 is a known power of two shifted left a variable amount.
3525 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3527 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3528 to hash table twice when the debug_str section has SECTION_MERGE.
3530 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3532 * config/soft-fp: New directory. From glibc.
3533 * config/soft-fp/t-softfp: New.
3534 * config/soft-fp/README: New.
3535 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3536 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3537 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3538 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3539 * config.gcc: Use rs6000/t-fprules-fpbit or
3540 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3542 * config/rs6000/sfp-machine.h: New. Based on glibc.
3543 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3545 * config/rs6000/t-fprules: Remove fp-bit rules.
3546 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3547 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3548 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3549 (softfp_wrap_start, softfp_wrap_end): New.
3551 2006-04-18 DJ Delorie <dj@redhat.com>
3553 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3555 2006-04-18 Devang Patel <dpatel@apple.com>
3557 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3559 2006-04-18 Nick Clifton <nickc@redhat.com>
3561 * config/sh/t-symbian: Add rule to build sh-c.o
3562 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3563 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3564 (sh_symbian_encode_section_info): Likewise.
3566 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3568 * builtins.c (expand_builtin_strcmp): Cover label definition of
3569 do_libcall with HAVE_cmpstrnsi.
3571 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3573 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3575 * function.h (temp_slot_p): New.
3576 (function): Change the type of x_used_temp_slots to
3577 VEC(temp_slot_p,gc) *.
3579 2006-04-18 Nick Clifton <nickc@redhat.com>
3581 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3582 flag_strength_reduce.
3584 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3586 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3590 Partial revert of revision 112637
3591 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3592 Dale Johannesen <dalej@apple.com>
3595 * regclass.c (struct reg_pref): Update documentation.
3596 (regclass): Set prefclass to NO_REGS if memory is the best option.
3597 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3599 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3601 PR tree-optimization/26821
3602 * tree-ssa-math-opts.c (get_constant_one): New.
3603 (insert_reciprocals): Use it.
3605 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3607 * dwarf2out.c (free_AT): Delete.
3608 (remove_AT): Update string ref counts.
3609 (remove_child_TAG): Don't call free_die.
3611 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3612 or DW_TAG_GNU_EINCL.
3613 (prune_unused_types_walk_attribs): Reset string refcounts.
3614 (prune_unused_types_update_strings): New.
3615 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3616 call free_die. Do call prune_unused_types_update_strings.
3617 (prune_unused_types): Empty debug_str_hash.
3619 2006-04-17 Roger Sayle <roger@eyesopen.com>
3621 * expr.c (expand_assignment): Optimize away no-op moves where the
3622 source and destination are equal and have no side-effects.
3624 2006-04-17 Richard Guenther <rguenther@suse.de>
3627 * reload.c (push_reload): Guard calls to get_secondary_mem
3630 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3632 * alias.c (reg_base_value, old_reg_base_value): Change the
3633 type to VEC(rtx,gc) *.
3634 (REG_BASE_VALUE, find_base_value, record_set,
3635 init_alias_analysis): Use VEC instead of VARRAY.
3637 * alias.c (alias_sets): Change the type to
3638 VEC(alias_set_entry,gc) *.
3639 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3640 VEC instead of VARRAY.
3641 (last_alias_set): Remove.
3643 * cgraph.h (cgraph_edge_p): New.
3644 Update the prototype of cgraph_function_versioning.
3645 * cgraphunit.c (cgraph_copy_node_for_versioning,
3646 cgraph_function_versioning): Use VEC instead of VARRAY.
3647 * ipa-cp.c (ipcp_insert_stage): Likewise.
3649 2006-04-16 Roger Sayle <roger@eyesopen.com>
3652 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3653 "A op B" or "A op C", we may need to convert A to the type of B and C.
3655 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3657 * target.h (struct gcc_target): Add mode_rep_extended.
3658 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3659 (init_num_sign_bit_copies_in_rep): Initialize it using
3661 (truncate_to_mode): Use it.
3662 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3663 * targhooks.h (default_mode_rep_extended): Declare it.
3664 * targhooks.c (default_mode_rep_extended): Define it.
3665 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3666 default_mode_rep_extended.
3667 (TARGET_INITIALIZER): Include it.
3668 * doc/tm.texi (Misc): Document it.
3669 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3670 (mips_truncated_to_mode): New function.
3672 2006-04-16 Roger Sayle <roger@eyesopen.com>
3675 * expr.c (compress_float_constant): Copy the narrow constant into
3676 a new pseudo before extending it to its final width.
3678 2006-04-16 Roger Sayle <roger@eyesopen.com>
3679 Andrew Pinski <pinskia@gcc.gnu.org>
3680 Dale Johannesen <dalej@apple.com>
3683 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3684 special case code to implement V8HImode and V16QImode with SSE2.
3686 2006-04-15 Roger Sayle <roger@eyesopen.com>
3688 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3689 trees are constructed with a suitable tree type.
3691 2006-04-15 Roger Sayle <roger@eyesopen.com>
3693 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3694 (integer_onep): Likewise.
3695 (integer_all_onesp): Likewise.
3696 (integer_pow2p): Likewise.
3697 (integer_nonzerop): Likewise.
3698 (real_zerop): Likewise.
3699 (real_onep): Likewise.
3700 (real_twop): Likewise.
3701 (real_minus_onep): Likewise.
3702 (int_size_in_bytes): Likewise.
3703 (host_integerp): Likewise.
3705 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3707 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3708 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3709 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3711 * tree-ssa-structalias.h (alias_info): Remove num_references.
3713 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3715 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3716 (output_bvb patterns): Likewise.
3717 * pa.c (output_bb): Use 'bb' insn for long branch case.
3718 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3719 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3720 1. Correct length operand for alternatives 1 and 2.
3721 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3722 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3724 2006-04-14 Roger Sayle <roger@eyesopen.com>
3726 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3727 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3728 were accidentally reverted by r112959.
3730 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3733 * except.h (eh_region_outermost): New prototype.
3734 * except.c (eh_region_outermost): New function.
3735 * tree-cfg.c (find_outermost_region_in_block): Use it.
3737 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3739 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3741 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3742 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3743 (init_reload, reload): Use VEC instead of VARRAY.
3744 * reload.h: Update the prototype for
3745 reg_equiv_memory_loc_varray.
3747 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3748 Eric Botcazou <ebotcazou@libertysurf.fr>
3750 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3753 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3756 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3757 to expand fallback builtin function call.
3759 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3762 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3763 and emit libcall here in case the builtin fails.
3764 (expand_builtin_strcmp): Always emit the libcall here on failure.
3766 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3768 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3769 * flow.c (reg_n_info): Change the type to
3770 VEC(reg_info_p,heap) *.
3771 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3773 * regs.h (reg_info_p): New.
3774 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3775 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3776 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3779 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3781 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3783 * params.h (MAX_SCHED_READY_INSNS): New macro.
3784 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3785 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3786 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3787 the ready list for 1 cycle during the first scheduling pass.
3788 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3790 2006-04-13 Richard Henderson <rth@redhat.com>
3793 * gimple-low.c (lower_omp_directive): Remove dead code.
3794 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3795 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3796 * omp-low.c (struct omp_region): Move to tree-flow.h.
3797 (root_omp_region): Export.
3798 (omp_regions, lookup_omp_region): Remove.
3799 (determine_parallel_type): Update for struct omp_region changes.
3800 (dump_omp_region): Dump regions with block numbers.
3801 (new_omp_region): Take type and block instead of stmt; malloc
3803 (free_omp_region_1, free_omp_regions): New.
3804 (expand_parallel_call): Take entry_stmt as argument; update for
3805 changes to omp_region.
3806 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3807 (remove_exit_barriers): New.
3808 (expand_omp_parallel): Update for struct omp_region changes.
3809 (expand_omp_synch): Likewise.
3810 (expand_omp): Likewise.
3811 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3812 (expand_omp_for_static_chunk): Likewise.
3813 (expand_omp_for): Likewise.
3814 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3815 (expand_omp_sections): Similarly, with GOMP_sections_end.
3816 (expand_omp_single): New.
3817 (build_omp_regions_1): Update for OMP_CONTINUE.
3818 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3819 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3820 OMP_SECTIONS_SECTIONS.
3821 (lower_omp_single_simple): Don't emit barrier here.
3822 (lower_omp_single_copy): Likewise.
3823 (lower_omp_single): Fix bindings, and lower to straightline now.
3824 (lower_omp_master, lower_omp_ordered): Likewise.
3825 (lower_omp_critical): Likewise.
3826 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3827 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3828 omp edges, free it afterward.
3829 (make_omp_sections_edges): Remove.
3830 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3831 (move_stmt_r): Handle OMP_CONTINUE.
3832 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3833 statement pointers to basic blocks. Add type member.
3834 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3835 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3836 * tree-inline.c (estimate_num_insns_1): Likewise.
3837 * tree-pretty-print.c (dump_generic_node): Likewise.
3838 * tree-ssa-operands.c (get_expr_operands): Likewise.
3839 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3840 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3841 (OMP_CONTINUE): New.
3842 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3843 (OMP_SECTIONS_SECTIONS): Remove.
3844 (OMP_SECTION_LAST): New.
3845 (OMP_RETURN_NOWAIT): New.
3847 2006-04-13 Roger Sayle <roger@eyesopen.com>
3849 * fold-const.c (native_encode_vector, native_interpret_real):
3850 Correct obvious mistakes in the previous check-in.
3852 2006-04-13 Roger Sayle <roger@eyesopen.com>
3854 * fold-const.c (native_encode_expr): New function to encode
3855 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3856 or VECTOR_CST into a specified buffer.
3857 (native_encode_int): New function.
3858 (native_encode_real): New function.
3859 (native_encode_complex): New function.
3860 (native_encode_vector): New function.
3861 (native_interpret_expr): Inverse of native_encode_expr to convert
3862 a target representation into an INTEGER_CST, REAL_CST etc...
3863 (native_interpret_int): New function.
3864 (native_interpret_real): New function.
3865 (native_interpret_complex): New function.
3866 (native_interpret_vector): New function.
3867 (fold_view_convert_expr): New function to constant fold/evaluate
3868 a VIEW_CONVERT_EXPR of a suitable constant expression.
3869 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3870 Change call of build1 to fold_build1 when constructing a
3873 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3874 Ulrich Weigand <uweigand@de.ibm.com>
3877 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3880 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3883 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3884 optimize to lo_sum for DFmode if !TARGET_FPRS.
3886 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3888 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3889 delete_alias_info, compute_flow_sensitive_aliasing,
3890 group_aliases): Use VEC instead of VARRAY.
3891 * tree-ssa-structalias.c (update_alias_info): Likewise.
3892 * tree-ssa-structalias.h (alias_info): Change the type of
3893 processed_ptrs to VEC(tree,heap) *.
3895 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3898 * config/sh/lib1funcs.h: New file, broken out of:
3899 * config/sh/lib1funcs.asm.
3900 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3902 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3903 * config/sh/lib1funcs-Os-4-200.asm: New file.
3904 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3905 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3906 (EXTRA_MULTILIB_PARTS): Include it.
3907 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3908 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3909 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3910 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3913 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3915 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3916 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3917 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3919 * tree-ssa-live.h: Include vecprim.h.
3920 (tree_partition_associator_d): Change the type of
3921 first_partition to VEC(int,heap) *.
3922 (tpa_first_partition): Use VEC instead of VARRAY.
3924 * Makefile.in (GTFILES): Move functions.h after tree.h.
3925 * function.c (reset_block_changes, record_block_change,
3926 check_block_change, free_block_changes): Use VEC instead of
3928 * function.h (function): Change the type of
3929 ib_boundaries_block to VEC(tree,gc) *.
3930 * tree-inline.c (copy_cfg_body): Initialize
3931 ib_boundaries_block to NULL instead of (varray_type) 0.
3933 2006-04-12 Roger Sayle <roger@eyesopen.com>
3935 * expr.c (emit_group_store): Correct operand order in call to
3936 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3937 a SUBREG_BYTE of zero.
3939 2006-04-12 Richard Guenther <rguenther@suse.de>
3941 * profile.c (compute_branch_probabilities): Remove code
3942 encapsulated in !ir_type (), which are remanents of the
3943 removed RTL profiling code.
3944 * rtl-profile.c: Remove.
3946 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3948 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3949 magic NULL_RTX comment.
3950 (function_arg): Store entire fp arg to mem if any part should go
3952 (rs6000_arg_partial_bytes): Adjust for above change.
3954 2006-04-11 Roger Sayle <roger@eyesopen.com>
3956 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3957 if it hasn't been initialized by dwarf2out_init.
3959 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3961 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3962 symbolic constants in branch patterns.
3964 2006-04-11 Roger Sayle <roger@eyesopen.com>
3966 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3968 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3970 PR rtl-optimization/27073
3971 * gcse.c (try_replace_reg): Revert last change. Continue to search
3972 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3975 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3977 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3978 aggregate types other than record and union types.
3979 (function_arg): Likewise.
3980 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3982 (function_value): In 64-bit mode, return objects that require it
3985 2006-04-11 Roger Sayle <roger@eyesopen.com>
3987 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3989 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3991 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3993 2006-04-03 Jeff Law <law@redhat.com>
3996 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3997 alias information too.
3999 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4001 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4003 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4006 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4007 (premark_used_types_helper): New.
4008 (premark_used_types): New.
4009 (gen_subprogram_die): Call premark_used_types.
4010 (prune_unused_types_walk): Do not prune perennial dies.
4011 * function.c (used_types_insert): New.
4012 * function.h (struct function): Add used_types_hash field.
4013 (used_types_insert): Add prototype.
4014 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4015 * c-parser.c (c_parser_cast_expression): Save casted types in used
4018 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4021 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4022 rs6000_explicit_options.float_gprs.
4024 2006-04-10 Roger Sayle <roger@eyesopen.com>
4026 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4027 from ix86_expand_vector_init_low_nonzero. Take an additional
4028 one_var argument indicating which element is non-zero. Support
4029 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4030 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4031 with one_var instead of ix86_expand_vector_init_low_nonzero.
4033 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4035 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4036 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4037 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4038 build/genextract.o): Depend on vecprim.h.
4039 * cfglayout.c, df-problems.c, function.c, genextract.c,
4040 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4041 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4045 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4047 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4048 Declare VECs of this type.
4049 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4050 (remove_children): Delete.
4051 (add_dwarf_attr): Use VEC routines.
4052 (add_AT_flag): Update for changes to add_dwarf_attr.
4053 (add_AT_int): Likewise.
4054 (add_AT_unsigned): Likewise.
4055 (add_AT_long_long): Likewise.
4056 (add_AT_vec): Likewise.
4057 (add_AT_string): Likewise.
4058 (add_AT_die_ref): Likewise.
4059 (add_AT_fde_ref): Likewise.
4060 (add_AT_loc): Likewise.
4061 (add_AT_loc_list): Likewise.
4062 (add_AT_addr): Likewise.
4063 (add_AT_lbl_id): Likewise.
4064 (add_AT_lineptr): Likewise.
4065 (add_AT_macptr): Likewise.
4066 (add_AT_offset): Likewise.
4067 (add_AT_range_list): Likewise.
4068 (get_AT): Use VEC_iterate.
4069 (remove_AT): Use VEC_ordered_remove.
4070 (free_die): Fold remove_children into here; have it use VEC_iterate.
4071 (print_die): Use VEC_iterate on attrs.
4072 (reverse_die_lists): Don't reverse attr lists.
4073 (die_checksum): Use VEC_iterate on attrs.
4074 (same_die_p): Likewise.
4075 (output_location_lists): Likewise.
4076 (build_abbrev_table): Likewise.
4077 (size_of_die): Likewise.
4078 (unmark_all_dies): Likewise.
4079 (output_abbrev_section): Likewise.
4080 (output_die): Likewise.
4081 (prune_unused_types_walk_attribs): Likewise.
4083 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4085 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4087 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4090 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4092 2006-04-09 Roger Sayle <roger@eyesopen.com>
4094 * expr.c (store_constructor): Don't bother clearing target if
4095 we're about to assign a vector to it using vec_init_optab.
4097 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4099 * tree-ssa-alias.c (lhs_may_store_to): New function.
4100 (recalculate_used_alone): Handle LHS of calls.
4102 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4106 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4107 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4108 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4109 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4110 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4111 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4112 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4113 stubs. Add ".align 8" directives before all ".dword" directives.
4114 (GTHREAD_USE_WEAK): Revise comment.
4115 (TARGET_ATTRIBUTE_WEAK): Define.
4116 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4117 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4118 * stublib.c: New file.
4123 * pa.md (cbranch patterns): Revise arguments used in calls to
4124 output_cbranch, output_bb and output_bvd. Add long branch length
4126 (fbranch patterns): Handle long branches.
4127 (jump): Revise length check. Revise arguments for output_lbranch call.
4128 Add long branch length attributes.
4129 (decrement_and_branch_until_zero): Add long branch length attributes.
4130 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4131 Likewise. Revise arguments for output_parallel_addb and
4132 output_parallel_movb calls.
4133 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4134 output_parallel_movb and output_parallel_addb): Update prototypes.
4135 * pa.c (output_cbranch): Revise arguments. Correct handling of
4136 nullification in long branches.
4137 (output_lbranch): Add new argument to control extraction of delay
4139 (output_bb): Handle long branches.
4140 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4141 output_parallel_addb): Likewise.
4143 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4145 PR rtl-optimization/27073
4146 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4149 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4151 * tree.h (tree_memory_tag): Add old_used_alone.
4152 (SMT_OLD_USED_ALONE): New macro.
4153 * tree-ssa-alias.c (recalculate_used_alone): Stop
4154 marking things for renaming unnecessarily.
4156 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4158 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4159 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4160 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4161 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4162 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4163 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4164 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4165 spelling convensions.
4166 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4167 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4168 typos. Follow spelling conventions.
4170 2006-04-07 DJ Delorie <dj@redhat.com>
4172 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4173 passed on the stack.
4174 (m32c_init_cumulative_args): When a function returns a structure,
4175 always pass the pointer to that return area on the stack.
4176 (m32c_function_arg_advance): Don't increment the parameter number
4177 if we're processing the returned structure pointer.
4178 (pushm_info): Reverse order of registers.
4180 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4182 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4183 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4184 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4185 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4187 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4188 chrec_fold_multiply): Same.
4189 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4190 force_expr_to_var_cost): Same.
4191 * tree-mudflap.c (mf_xform_derefs_1): Same.
4192 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4194 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4196 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4197 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4200 2006-04-07 Jan Hubicka <jh@suse.cz>
4202 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4204 2006-04-07 Richard Guenther <rguenther@suse.de>
4206 PR tree-optimization/26135
4207 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4208 loads for store copy-prop.
4209 (copy_prop_visit_stmt): Likewise.
4211 2006-04-05 Robert Millan <robertmh@gnu.org>
4213 * config/i386/linux.h: Add a comment to mark macros that are
4214 being overriden in config/k*bsd-gnu.h.
4215 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4217 * config/knetbsd-gnu.h: Ditto.
4219 2006-04-06 Jan Hubicka <jh@suse.cz>
4223 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4226 2006-04-06 Mike Stump <mrs@apple.com>
4228 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4229 for HAVE_nonlocal_goto to be consistent.
4230 (expand_builtin_nonlocal_goto): Likewise.
4231 (expand_builtin_strcmp): Use #ifdef instead of #if
4232 for HAVE_cmpstrnsi to be consistent.
4234 2006-04-05 DJ Delorie <dj@redhat.com>
4236 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4239 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4241 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4242 got-relative addressing for anything but SImode.
4244 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4245 even if the calling function doesn't modify them.
4247 2006-04-05 Richard Guenther <rguenther@suse.de>
4249 PR tree-optimization/26919
4250 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4251 to cgraph_estimate_size_after_inlining.
4253 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4255 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4257 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4259 PR tree-optimization/26996
4260 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4261 VECTOR_TYPE variables.
4263 2006-04-05 Richard Guenther <rguenther@suse.de>
4265 PR tree-optimization/26763
4266 * fold-const.c (fold_comparison): Move folding of
4267 PTR + CST CMP PTR + CST ...
4268 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4270 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4272 * doc/install.texi (Prerequisites): Refine some wording on
4273 bootstrapping and ksh.
4274 Move the version numbers of DejaGnu here from the testing section
4275 and fix casing of names.
4276 Fix markup and clarify wording for autogen requirements.
4277 Refer to GCJ instead of just java.
4278 Refer to SVN instead of CVS.
4279 Describe diffutils as useful instead of necessary.
4280 (Downloading the source): Refer to SVN instead of CVS.
4281 Adjust a link to our web site accordingly.
4282 (Configuration): Fix casing of Bison.
4283 (Building): Refer to SVN instead of CVS.
4284 Fix a sentence on the use of Bison and remove duplicate (and
4285 incorrect) version number of Bison requirement.
4286 Remove one redundant list of packages needed for building.
4287 (Specific): Avoid reference to CVS.
4289 2006-04-04 Eric Christopher <echristo@apple.com>
4291 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4292 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4293 (rs6000_handle_struct_attribute): New.
4294 (rs6000_ms_bitfield_layout_p): Ditto.
4296 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4298 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4299 NULL for dso parameter to atexit_common.
4301 2006-04-04 Eric Christopher <echristo@apple.com>
4303 * config/i386/i386.c (machopic_output_stub): Output \t
4304 between instructions and operands.
4306 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4308 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4309 satisfies_constraint_[IL] to explicit tests on value.
4311 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4313 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4314 set_nb_iterations_in_loop): Use build_int_cst instead of
4316 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4317 build_int_cst instead of convert.
4319 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4321 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4322 new value 2 for incoming.
4323 * function.c (expand_function_start): Call struct_value_rtx
4325 * config/sparc/sparc.md: Comment updated_return.
4326 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4327 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4328 struct return if sparc_std_struct_return and incoming is 2.
4329 (print_operand): Do not adjust return if
4330 sparc_std_struct_return.
4332 2006-04-04 Roger Sayle <roger@eyesopen.com>
4334 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4335 convert in the middle-end.
4336 * expr.c (store_expr, store_constructor, get_inner_reference,
4337 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4339 * tree.c (build_range_type): Likewise.
4341 2006-04-04 Tom Tromey <tromey@redhat.com>
4343 * doc/install.texi (Prerequisites): Mention jar.
4345 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4347 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4350 2006-04-04 Matthias Klose <doko@debian.org>
4352 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4353 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4356 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4358 * doc/extend.texi (Function Attributes): Rewrite visibility
4359 attribute documentation.
4360 * doc/invoke.texi (C++ Dialect Options): Rewrite
4361 -fvisibility-inlines-hidden documentation to describe something
4362 entirely different, although in practise compatible.
4363 (Code Gen Options): Warn about system headers in -fvisibility=
4366 * doc/extend.texi (Other Builtins): Document that
4367 __builtin_nan is a compile-time constant only when its argument
4370 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4372 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4373 trying to remove TRUNCATE check if all bits outside the new mode
4374 are identical to the sign bit.
4376 2006-04-03 Jeff Law <law@redhat.com>
4378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4379 and operand scanning in some common cases.
4381 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4382 Dale Johannesen <dalej@apple.com>
4385 * regclass.c (struct reg_pref): Update documentation.
4386 (regclass): Set prefclass to NO_REGS if memory is the best option.
4387 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4388 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4389 into account. For non-registers, equate an empty preferred
4390 reload class to a `!' in the constraint; move the if clause to
4391 do so after those that reject the insn.
4392 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4394 (find_dummy_reload): Likewise.
4395 * doc/tm.texi (Register Classes): Document what it means
4396 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4397 * config/i386/i386.c (ix86_preferred_reload_class): Force
4398 using SSE registers (and return NO_REGS for floating-point
4399 constants) if math is done with SSE.
4400 (ix86_preferred_output_reload_class): New.
4401 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4402 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4403 * config/i386/i386.md: Remove # register preferences.
4405 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4408 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4409 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4410 the type of nb_iter.
4411 (instantiate_parameters_1): Convert the operands before calling
4412 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4413 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4415 2006-04-02 Roger Sayle <roger@eyesopen.com>
4417 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4418 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4420 * dojump.c (do_jump): Likewise.
4421 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4422 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4423 gimplify_boolean_expr): Likewise.
4424 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4425 * varasm.c (array_size_for_constructor): Likewise.
4426 * tree-object-size.c (compute_object_offset): Likewise.
4428 2006-04-02 Roger Sayle <roger@eyesopen.com>
4431 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4432 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4434 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4436 PR tree-optimization/26939
4437 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4439 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4441 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4442 at_stmt. Convert the type of operands before calling
4443 build_polynomial_chrec.
4444 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4446 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4447 (instantiate_parameters_1): Convert the type of operands before calling
4448 build_polynomial_chrec.
4449 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4450 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4451 reset_evolution_in_loop): Insert asserts to check the types of the
4453 (chrec_type): Moved...
4454 (eq_evolutions_p): Use operand_equal_p.
4455 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4456 the types of the operands.
4457 (chrec_type): ...here.
4458 * tree-data-ref.c (create_data_ref): Convert the operands before
4459 calling chrec_replace_initial_condition.
4460 (same_access_functions, analyze_subscript_affine_affine,
4461 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4462 (compute_subscript_distance, analyze_ziv_subscript,
4463 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4464 analyze_miv_subscript): Convert the operands before calling
4465 chrec_fold_minus or chrec_fold_plus.
4467 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4469 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4470 the dependence_relations vector.
4471 (compute_data_dependences_for_loop): Adjust call to
4472 compute_all_dependences.
4474 2006-04-01 Roger Sayle <roger@eyesopen.com>
4475 Richard Henderson <rth@redhat.com>
4477 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4478 gimple_boolify on the condition before calling gimplify_expr.
4480 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4482 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4483 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4484 the frame size. Update to use the new macros.
4485 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4486 * config/xtensa/ieee754-df.S: Likewise.
4488 2006-03-31 Richard Henderson <rth@redhat.com>
4490 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4491 (make_edges): ... here. Control fallthru creation with a local
4492 variable. Do not play with fake edges.
4493 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4494 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4497 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4499 * dwarf2.h (DW64_CIE_ID): Define.
4500 * dwarf2out.c (DWARF_CIE_ID): Define.
4501 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4502 length header. Use DWARF_CIE_ID.
4503 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4504 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4506 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4508 * config/sh/linux-atomic.asm: New file.
4509 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4511 2006-03-31 DJ Delorie <dj@redhat.com>
4513 * config/m32c/cond.md: Set condition flags properly throughout.
4514 * config/m32c/minmax.md: Likewise.
4515 * config/m32c/prologue.md: Likewise.
4516 * config/m32c/bitops.md: Likewise.
4517 * config/m32c/muldiv.md: Likewise.
4518 * config/m32c/mov.md: Likewise.
4519 * config/m32c/addsub.md: Likewise.
4520 * config/m32c/m32c.md: Likewise.
4521 * config/m32c/jump.md: Likewise.
4522 * config/m32c/shift.md: Likewise.
4524 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4525 conditionally output the pattern for this.
4526 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4527 (m32c_compare_redundant): New.
4528 (m32c_output_compare): New.
4529 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4531 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4532 dest, not src. Allow other 4-byte modes.
4534 2006-03-30 Denis Chertykov <denisc@overta.ru>
4536 * doc/md.texi: Refer to avr/constraints.md instead of
4539 2006-03-30 Roger Sayle <roger@eyesopen.com>
4541 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4542 signed vs. unsigned comparison failures on some hosts.
4544 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4547 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4548 change to FLOAT_REGS.
4550 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4551 (rs6000_override_options): Use it.
4552 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4553 only for -mabi=spe/no-spe and -mabi=altivec.
4555 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4557 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4560 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4562 * Makefile.in: Rename docdir to gcc_docdir.
4564 2006-03-30 Roger Sayle <roger@eyesopen.com>
4567 * expr.c (emit_group_store): Optimize group stores into a pseudo
4568 register by using a paradoxical subreg to initialize the destination
4569 if the first or last member of the group specifies a "low part".
4571 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4574 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4575 * target.h (struct gcc_target.speculate_insn): Change type of the
4576 second parameter to 'int'.
4577 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4578 the second operand of the DEPS_LIST.
4579 (copy_DEPS_LIST_list): Update reference to the second operand of the
4581 * rtl.h (alloc_DEPS_LIST): Update signature.
4582 * sched-int.h (ds_t): Change typedef to 'int'.
4583 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4585 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4587 * haifa-sched.c (try_ready): Change condition to restore
4588 non-speculative pattern of the instruction.
4589 (process_insn_depend_be_in_spec): Code to keep probability of the
4590 speculative dependence non-decreasing.
4592 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4594 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4595 (single_move_for_movmem): ... this. Also change all uses.
4596 (bfin_expand_strmov): Renamed to...
4597 (bfin_expand_movmem): ... this. Also change all uses.
4598 * config/bfin/bfin.md (movstrsi): Renamed to...
4599 (movstrsi): ...this.
4601 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4603 PR tree-optimization/26830
4605 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4606 (copy_prop_visit_stmt): Remove write-only variable ann.
4607 (init_copy_prop): Check variable loop depth here. Do not simulate
4608 memory-tag and virtual operand PHIs except for store copy prop.
4610 2006-03-30 Richard Guenther <rguenther@suse.de>
4612 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4613 variants with double arguments.
4615 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4617 * genpreds.c (write_tm_constrs_h): Delete variable p.
4618 * genconditions.c (write_header): Add tm-constrs.h to included
4620 * genpeep.c (main): Add toplev.h to included headers.
4621 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4622 (build/genpeep.o): Add toplev.h dependency.
4623 * config/rs6000/constraints.md: Add "W" constraint.
4625 2006-03-29 Roger Sayle <roger@eyesopen.com>
4627 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4628 sizes by correctly testing whether the size fits a host integer.
4629 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4630 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4631 SImode range for the default sizetype and bitsizetype.
4633 2006-03-29 Roger Sayle <roger@eyesopen.com>
4635 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4636 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4637 quickly if the argument is already of the correct type.
4638 Call fold_build1 instead of build1. Tidy up blank lines.
4640 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4642 * genemit.c (main): Add tm-constrs.h to included headers.
4643 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4644 * genpeep.c (main): Add tm-constrs.h to included headers.
4645 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4646 (write_tm_constrs_h): this and write complete file.
4647 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4648 (write_insn_preds_c): Add tm-constrs.h to included headers.
4649 (gen_constrs): New variable.
4650 (parse_option): Parse "-c".
4651 (main): Invoke write_tm_constrs_h.
4652 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4653 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4654 (object_out_file): Add tm-constrs.h dependency.
4655 (insn-emit.o): Same.
4656 (insn-output.o): Same.
4657 (insn-peep.o): Same.
4658 (insn-preds.o): Same.
4659 (insn-recog.o): Same.
4660 (tm-constsr.h): New target.
4661 (s-constrs-h): New target.
4663 * config/rs6000/constraints.md: New file.
4664 * config/rs6000/rs6000.c: Include tm-constrs.h.
4665 (num_insn_constant_wide): Convert to satisfies_constraint.
4666 (rs6000_rtx_costs): Convert to satisfies_constraint.
4667 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4668 (CONST_OK_FOR_LETTER_P): Delete.
4669 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4670 (EXTRA_CONSTRAINT): Delete.
4671 (EXTRA_MEMORY_CONSTRAINT): Delete.
4672 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4673 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4674 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4675 satisfies_constraint.
4677 * config/i386/i386.c: Include tm-constrs.h.
4679 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4681 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4682 * tree-data-ref.c (find_data_references_in_loop,
4683 compute_data_dependences_for_loop): Use pointers to VEC.
4684 (analyze_all_data_dependences): Adjust calls.
4685 * tree-data-ref.h (find_data_references_in_loop,
4686 compute_data_dependences_for_loop): Adjust declarations.
4687 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4688 compute_data_dependences_for_loop.
4690 2006-03-29 Paul Brook <paul@codesourcery.com>
4692 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4695 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4697 PR tree-optimization/26859
4698 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4700 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4701 for the step after fold_convert.
4703 2006-03-29 Paul Brook <paul@codesourcery.com>
4705 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4706 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4708 2006-03-29 Paul Brook <paul@codesourcery.com>
4711 * targhooks.c (default_narrow_bitfield): New fuction.
4712 * targhooks.h (default_narrow_bitfield): add prototype.
4713 * target.h (gcc_target): Add narrow_volatile_bitfield.
4714 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4715 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4716 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4717 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4719 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4721 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4723 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4724 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4725 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4726 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4727 (s390_function_arg_float): Allow SDmode and DDmode values to be
4728 passed in floating point registers.
4729 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4730 check with SCALAR_FLOAT_MODE_P.
4731 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4733 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4735 PR tree-optimization/25985
4736 * tree-ssa-loop-niter.c (number_of_iterations_le,
4737 number_of_iterations_ne): Make comments more precise.
4738 (number_of_iterations_cond): Add only_exit argument. Use the
4739 fact that signed variables do not overflow only when only_exit
4741 (loop_only_exit_p): New.
4742 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4743 number_of_iterations_cond.
4745 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4747 PR tree-optimization/26643
4748 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4751 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4753 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4754 (divsi3_i4_int): Likewise.
4756 2006-03-28 Roger Sayle <roger@eyesopen.com>
4758 * expr.c (emit_group_store): Only create a new pseudo reg if the
4759 quantity it needs to hold isn't already a suitable pseudo.
4761 2006-03-28 Jeff Law <law@redhat.com>
4763 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4764 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4766 2006-03-28 Roger Sayle <roger@eyesopen.com>
4768 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4769 the equivalent ~X & Y, and the symmetry related transformations.
4770 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4771 ~X & Y, and symmetry related transforms.
4773 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4775 Revert my 2006-03-27 patches.
4777 2006-03-28 Roger Sayle <roger@eyesopen.com>
4779 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4780 ~(T1)X, when T1 and T2 are integer types of the same precision
4781 and (T2)X isn't an extension.
4783 2006-03-28 Jeff Law <law@redhat.com>
4785 PR tree-optimization/26796
4786 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4787 need EH edge cleanups rather than purging them immediately.
4788 (eliminate_degenerate_phis): Handle queued EH cleanups.
4790 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4792 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4795 2006-03-27 Roger Sayle <roger@eyesopen.com>
4798 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4799 cast BIT_NOT_EXPR operand to the correct type.
4801 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4803 * tree-loop-linear.c: Don't include varray.h.
4804 (gather_interchange_stats, try_interchange_loops,
4805 linear_transform_loops): Use VEC instead of VARRAY.
4806 * lambda-mat.c: Don't include varray.h.
4807 * tree-chrec.c: Same.
4808 * lambda-trans.c: Same.
4809 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4810 VEC instead of VARRAY.
4811 * tree-vectorizer.h: Idem.
4812 * tree-data-ref.c (dump_data_references,
4813 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4814 initialize_data_dependence_relation, finalize_ddr_dependent,
4815 compute_all_dependences, find_data_references_in_loop,
4816 compute_data_dependences_for_loop, analyze_all_data_dependences,
4817 free_dependence_relation, free_dependence_relations,
4818 free_data_refs): Idem.
4819 * tree-data-ref.h (data_reference_p, subscript_p): New.
4820 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4821 VEC instead of VARRAY.
4822 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4823 (find_data_references_in_loop, compute_data_dependences_for_loop,
4824 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4825 dump_data_dependence_relations, free_dependence_relations,
4826 free_data_refs): Adjust declaration.
4827 (lambda_transform_legal_p): Move declaration here...
4828 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4829 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4830 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4831 vect_analyze_data_refs): Use VEC instead of VARRAY.
4832 * lambda.h (lambda_transform_legal_p): ...from here.
4833 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4834 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4835 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4836 tree-chrec.o): Don't depend on VARRAY_H.
4838 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4840 * rtl.def (Copyright): Update date.
4841 (DEPS_LIST): Change type of the second operand to 'int'.
4842 * target.h (Copyright): Update date.
4843 (struct gcc_target.speculate_insn): Change type of the second parameter
4845 * lists.c (Copyright): Update date.
4846 (alloc_DEPS_LIST): Change signature. Update reference to the second
4847 operand of the DEPS_LIST.
4848 (copy_DEPS_LIST_list): Update reference to the second operand of the
4850 * rtl.h (Copyright): Update date.
4851 (alloc_DEPS_LIST): Update signature.
4852 * sched-int.h (Copyright): Update date.
4853 (ds_t): Change typedef to 'int'.
4854 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4856 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4858 * haifa-sched.c (Copyright): Update date.
4859 (try_ready): Change condition to restore non-speculative pattern
4861 (process_insn_depend_be_in_spec): Code to keep probability of the
4862 speculative dependence non-decreasing.
4864 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4866 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4867 shut up the compiler.
4869 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4871 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4872 to use lib prefix for target.
4873 ($(T)libic_invalidate_array_4-200.a): Likewise.
4874 ($(T)libic_invalidate_array_4a.a): Likewise.
4876 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4877 J"orn Rennecke <joern.rennecke@st.com>
4879 * superh.opt: New file.
4880 * sh.c (boardtype, osruntime): Remove.
4881 * superh.h (SUBTARGET_OPTIONS): Remove.
4882 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4884 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4885 arguments with ^ and/or [].
4887 * config.gcc (sh-*-*): Add quoting to account for quirk of
4889 Replace == with = in enable_incomplete_targets test.
4891 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4892 with MASK_LITTLE_ENDIAN.
4894 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4895 * config/sh/sh.opt: Added to some comments.
4896 * config/sh/superh.h: Removed some chaff.
4898 * config/sh/sh.opt: Add m4-[1234]00* options.
4899 * config/sh/sh.c (sh_handle_option): Likewise.
4900 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4901 (ic_invalidate_array_4-100.o): New rule.
4902 ($(T)libic_invalidate_array_4-100.a): Likewise.
4903 (ic_invalidate_array_4-200.o): Likewise.
4904 ($(T)libic_invalidate_array_4-200.a): Likewise.
4905 (ic_invalidate_array_4a.o): Likewise.
4906 ($(T)libic_invalidate_array_4a.a): Likewise.
4907 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4908 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4910 * config/sh/crt1.asm: Merged in profiling code.
4911 * config/sh/superh.h (STARTFILE_SPEC): Override.
4912 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4913 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4914 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4916 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4917 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4918 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4920 * sh.opt (mpretend-cmove): New option.
4921 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4922 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4923 (movsicc): Add TARGET_PRETEND_CMOVE code.
4925 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4927 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4928 s390_class_max_nregs): New function prototypes.
4929 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4930 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4931 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4932 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4934 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4936 * dwarf2out.c (add_location_or_const_value_attribute): Call
4937 tree_add_const_value_attribute if nothing else works.
4938 (reference_to_unused): New.
4939 (rtl_for_decl_init): Use reference_to_unused to decide whether
4940 to output an initializer.
4942 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4945 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4946 peephole removing spe frob_di_df_2.
4948 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4950 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4951 (subscript_dependence_tester_1): Declared.
4952 (print_dir_vectors, print_dist_vectors): New.
4953 (debug_data_dependence_relation): New.
4954 (dump_data_dependence_relation): Print more details.
4955 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4956 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4957 (save_dist_v, save_dir_v, add_outer_distances,
4958 build_classic_dist_vector_1): New.
4959 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4960 Don't test for lambda_vector_lexico_pos.
4961 (same_access_functions, add_multivariate_self_dist,
4962 add_other_self_distances, dir_from_dist): New.
4963 (build_classic_dir_vector): Replace implementation almost identical to
4964 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4966 (subscript_dependence_tester_1): New.
4967 (subscript_dependence_tester): Handle the lexicographically negative
4968 distance vectors by recomputing the dependence relation.
4969 (compute_affine_dependence): Remove parameter loop_nest_depth.
4970 (compute_self_dependence): Don't call compute_subscript_distance.
4971 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4972 Add a parameter for the loop_nest.
4973 (find_loop_nest_1, find_loop_nest): New.
4974 (compute_data_dependences_for_loop): Compute the loop nest, and give
4975 up if the nest is not well formed.
4976 * tree-data-ref.h (loop_p): New.
4977 (struct data_dependence_relation): Replace size_vect field with
4978 loop_nest, a vec of loops.
4979 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4980 (DDR_LOOP_NEST): New.
4981 (print_dir_vectors, print_dist_vectors,
4982 debug_data_dependence_relation): Declared.
4983 (index_in_loop_nest): New.
4984 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4985 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4988 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4990 * simplify-rtx.c (simplify_relational_operation): Call
4991 simplify_relational_operation_1 even if mode is VOIDmode.
4993 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4995 PR tree-optimization/26804
4996 * tree.h (DECL_CALL_CLOBBERED): New macro.
4997 (tree_decl_common): Add call_clobbered_flag.
4998 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4999 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5000 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5001 (mark_non_addressable): Ditto.
5002 * tree-ssa.c (verify_call_clobbered): New function.
5003 (verify_alias_info): Use it.
5004 * tree-pass.h (pass_reset_cc_flags): New prototype.
5005 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5006 (reset_cc_flags): New function.
5007 * passes.c (init_optimization_passes): Call reset_cc_flags after
5008 initializing referenced_vars.
5010 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5011 Roger Sayle <roger@eyesopen.com>
5014 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5015 to 1.0 for non-real operands. Implement A / A optimization for
5018 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5020 * config/i386/i386.c (size_cost): Correct the comment for
5021 cost of storing fp registers.
5022 (i386_cost): Likewise.
5023 (i486_cost): Likewise.
5024 (pentium_cost): Likewise.
5025 (pentiumpro_cost): Likewise.
5026 (k6_cost): Likewise.
5027 (athlon_cost): Likewise.
5028 (k8_cost): Likewise.
5029 (pentium4_cost): Likewise.
5030 (nocona_cost): Likewise.
5031 (generic64_cost): Likewise.
5032 (generic32_cost): Likewise.
5034 2006-03-24 Denis Chertykov <denisc@overta.ru>
5036 * config/avr/avr-protos.h (extra_constraint): Delete.
5037 (extra_constraint_Q): New declaration.
5038 * config/avr/constraints.md: New file.
5039 * config/avr/avr.md: Include it.
5040 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5041 (TMP_REGNO, ZERO_REGNO): Likewise.
5042 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5043 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5044 (extra_constraint): Delete.
5045 (extra_constraint_Q): Test for memory constraint 'Q'.
5046 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5047 (REG_CLASS_FROM_LETTER): Delete.
5048 (CONST_OK_FOR_LETTER_P): Delete.
5049 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5050 (EXTRA_CONSTRAINT): Delete.
5051 (TMP_REGNO): Delete.
5052 (ZERO_REGNO): Delete.
5054 2006-03-24 Jeff Law <law@redhat.com>
5056 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5057 directly. Call mark_new_vars_to_rename slightly earlier.
5059 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5061 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5063 (gen_compile_unit_die): Use new language types for Objective-C and
5065 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5066 DW_LANG_C_plus_plus.
5069 * config/t-darwin (crt3.o): Work around bug 26840.
5070 * config/darwin-crt3.c: Rewrite.
5071 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5073 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5075 * doc/invoke.texi: Document -femit-class-debug-always
5076 * common.opt: Add -femit-class-debug-always.
5078 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5080 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5081 index and base register.
5082 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5083 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5084 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5085 REGNO_OK_FOR_INDEX_P.
5086 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5088 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5089 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5090 REG_OK_FOR_BASE_P): Definitions removed.
5092 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5095 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5096 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5097 set yet or weren't marked as local yet.
5099 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5101 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5104 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5106 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5107 (rs6000_legitimate_small_data_p): Delete.
5108 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5109 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5110 and make static. Add forward declaration. Update uses.
5111 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5112 of offsettable_memref_p.
5113 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5114 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5116 2006-03-24 Jeff Law <law@redhat.com>
5118 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5119 around bug in immediate-use iterator.
5121 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5124 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5125 or __LITTLE_ENDIAN__.
5127 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5129 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5130 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5131 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5132 * config/sh/sh.opt (mdiv=): Amend description.
5133 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5134 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5135 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5136 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5137 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5138 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5139 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5140 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5141 TARGET_DIVIDE_CALL_FP.
5143 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5145 * haifa-sched.c (choose_ready): Fix type of the local variable.
5146 Move local variables. Add comment.
5147 (check_reg_live): Change signature. Make callable from debugger.
5148 * sched-int.h (check_reg_live): Update signature.
5149 * sched-ebb.c (check_reg_live): Update parameters.
5150 * sched-rgn.c (check_reg_live): Ditto.
5151 (region_head_or_leaf_p): Check pointer before dereferencing.
5152 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5153 before reload on optimization levels below 1.
5155 2006-03-23 Richard Henderson <rth@redhat.com>
5157 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5161 * config/alpha/predicates.md (local_symbolic_operand): Reject
5164 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5167 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5168 expressions which have overflowed constants.
5170 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5172 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5174 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5176 * cfgloopmanip.c (create_loop_notes): Removed.
5177 * final.c (final_scan_insn): Do not handle loop notes.
5178 * jump.c (squeeze_notes): Ditto.
5179 * cfglayout.c (skip_insns_after_block,
5180 duplicate_insn_chain): Ditto.
5181 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5183 * cfgloop.h (create_loop_notes): Declaration removed.
5185 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5187 * varasm.c (output_constant_pool): Restore fnname and fndecl
5189 (assemble_start_function): Adjust call accordingly.
5190 (assemble_end_function): Likewise.
5192 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5195 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5198 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5200 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5203 * system.h (ICE_EXIT_CODE): New macro.
5204 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5205 (diagnostic_action_after_output): Likewise.
5206 * gcc.c (fatal_ice): New function.
5207 (execute): Use it instead of fatal.
5208 (fancy_abort): Likewise.
5209 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5211 2006-03-22 Jeff Law <law@redhat.com>
5213 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5214 iv_analyze_result returning false.
5216 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5218 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5220 2006-03-22 Richard Henderson <rth@redhat.com>
5223 * except.c (duplicate_eh_regions_0): New.
5224 (duplicate_eh_region_1): Duplicate the children of the node as
5225 well as the node itself. Link them up properly.
5226 (duplicate_eh_region_2): Merge into ...
5227 (duplicate_eh_regions): ... here. Take copy_region argument, and
5228 copy only a sub-tree if asked. Simplify copying and fixup.
5229 (eh_region_outer_p): New.
5230 * except.h (duplicate_eh_regions): Update decl.
5231 (eh_region_outer_p): Declare.
5232 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5233 (lower_omp_master): Likewise.
5234 (lower_omp_ordered): Likewise.
5235 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5236 (move_stmt_r): Use it to remap labels. Handle recursion vs
5237 remap_decls_p properly.
5238 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5239 (find_outermost_region_in_block): New.
5240 (new_label_mapper): New.
5241 (move_sese_region_to_fn): Copy eh information to the new function
5243 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5245 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5248 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5250 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5251 into shared libraries.
5253 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5255 * doc/md.texi: Refer to i386/constraints.md instead of
5257 * config/i386/constraints.md: New file, extracted from...
5258 * config/i386/predicates.md: ...here.
5259 * config/i386/i386.md: Include constraints.md.
5261 2006-03-21 Jason Merrill <jason@redhat.com>
5263 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5266 * expr.c (init_block_move_fn): Force default visibility.
5267 (init_block_clear_fn): Likewise.
5268 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5269 * targhooks.c (default_external_stack_protect_fail): Likewise.
5271 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5273 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5274 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5275 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5276 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5277 (loadgp): Use mips_current_loadgp_style.
5278 (loadgp_noshared): New pattern.
5279 (sibcall_internal): Use MIPS_CALL.
5280 (sibcall_value_internal): Likewise.
5281 (sibcall_value_multiple_internal): Likewise.
5282 (call_internal): Likewise.
5283 (call_value_internal): Likewise.
5284 (call_value_multiple_internal): Likewise.
5285 (call_split): Use MIPS_CALL and add an 'S' constraint.
5286 (call_value_split): Likewise.
5287 (call_value_multiple_split): Likewise.
5288 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5289 (-mshared): New option.
5290 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5291 (mips_current_loadgp_style): Declare.
5292 * config/mips/mips.c (mips_classify_symbol): Avoid using
5293 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5294 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5295 TARGET_ABSOLUTE_ABICALLS.
5296 (override_options): Adjust comments. Improve the warning that is
5297 issued when -mabicalls and -G are used together.
5298 (mips_file_start): Remove comment.
5299 (mips_current_loadgp_style): New function.
5300 (mips_gnu_local_gp): New variable.
5301 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5303 (mips_output_function_prologue): Use mips_current_laodgp_style.
5304 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5305 the cprestore instruction.
5306 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5307 live for TARGET_ABSOLUTE_ABICALLS.
5308 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5309 (ASM_SPEC): Pass down -mshared and -mno-shared.
5310 (MIPS_CALL): New macro.
5311 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5313 * doc/invoke.texi (-mabicalls): Update documentation.
5314 (-mshared): Document.
5316 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5318 * config/ia64/unwind-hpux.c: New file.
5319 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5321 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5324 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5326 2006-03-21 Jeff Law <law@redhat.com>
5328 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5329 type conversions of a VR_VARYING source to a wider type.
5331 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5333 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5334 tm_file on Solaris 10 and later.
5335 (sparc64-*-solaris2*): Likewise.
5336 (sparc-*-solaris2*): Likewise.
5337 * config/sol26.h: Rename to config/sol2-6.h.
5338 * config/sol2-10.h: New file.
5340 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5343 * tree-ssa-pre.c (create_component_ref_by_pieces):
5346 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5349 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5350 return it immediately.
5352 2006-03-21 Michael Matz <matz@suse.de>
5354 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5356 (remove_arc, add_arc): Update num_out_arcs member.
5357 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5359 (cache_presence): New function.
5360 (compare_states_for_equiv): New function.
5361 (state_is_differed): Don't take number of outargs, adjust callers.
5362 Use new invariant for speeding up.
5363 (init_equiv_class): Create initial classes based on sorted
5365 (partition_equiv_class): Don't track out_arcs_num.
5366 (evaluate_equiv_classes): Call cache_presence on all states and
5369 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5371 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5372 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5373 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5374 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5376 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5377 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5378 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5379 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5380 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5382 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5383 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5384 (REGNO_REG_CLASS): ARGP is in PREGS.
5385 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5387 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5388 to deal with those addresses.
5389 * addresses.h: New file.
5390 * caller-save.c: Include "addresses.h".
5391 (init_caller_save): Use new base_reg_class function.
5392 * rtl-factoring.c: Include "addresses.h".
5393 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5394 * recog.c: Include "addresses.h".
5395 (preprocess_constraints): Use new base_reg_class function.
5396 * regrename.c: Include "addresses.h".
5397 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5398 functions. Keep track of a new var INDEX_CODE to compute valid
5400 (replace_oldest_value_addr): Likewise.
5401 (replace_oldest_value_mem): Use base_reg_class.
5402 * reload.c: Include "addresses.h".
5403 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5404 (find_reloads): Use new base_reg_class function.
5405 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5406 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5407 all callers and prototype changed.
5408 * reload1.c: Include "addresses.h".
5409 (maybe_fix_stack_asms): Use base_reg_class.
5410 * regclass.c: Include "addresses.h".
5411 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5412 (init_reg_autoinc): Use new base_reg_class function.
5413 (record_reg_classes): Likewise.
5414 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5415 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5416 Use new args to compute necessary class.
5418 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5419 regrename.o, rtl-factoring.o): Update dependencies.
5420 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5421 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5422 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5423 REG_OK_FOR_INDEX_P): Delete documentation.
5425 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5427 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5428 from V7 to V9 for Solaris 7 and above.
5430 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5432 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5433 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5434 argument pointers may not alias any other storage.
5435 * common.opt: Define option -fargument-noalias-anything.
5436 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5437 alias semantics is specified by flag_argument_noalias > 2.
5439 2006-03-20 Jeff Law <law@redhat.com>
5441 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5442 (pass_phi_only_cprop): Declare.
5443 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5445 * tree-ssa-dom.c (degenerate_phi_result): New function.
5446 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5447 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5448 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5449 (eliminate_degenerate_phis): Likewise.
5450 (pass_phi_only_cprop): New pass descriptor.
5451 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5452 support code. Callers updated.
5453 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5454 (store_copy_prop): Likewise.
5455 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5457 2006-03-20 Jason Merrill <jason@redhat.com>
5460 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5461 (push_visibility, pop_visibility): Likewise.
5462 * c-pragma.h: Declare them.
5464 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5466 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5468 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5469 parameter and use get_ebb_head_tail.
5470 (sh_md_init_global): Adjust uses of find_regmode_weight.
5472 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5474 * function.h (struct function) <x_tail_recursion_reentry>:
5475 Rename to x_stack_check_probe_note.
5476 (tail_recursion_reentry): Rename to stack_check_probe_note.
5477 * function.c: Replace tail_recursion_reentry with
5478 stack_check_probe_note everywhere.
5479 (expand_function_start): Only emit a note for
5480 stack_check_probe_note with -fstack-protect.
5481 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5483 * emit-rtl.c (remove_unnecessary_notes): Remove.
5484 (pass_remove_unnecessary_notes): Remove.
5485 * rtl.h (remove_unnecessary_notes): Remove prototype.
5486 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5487 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5488 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5490 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5493 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5494 (valid_in_set): Handle ARRAY_REF.
5495 Change "if min_variant or VH" to asserts.
5496 (create_component_ref_by_pieces): Handle ARRAY_REF.
5497 (create_expression_by_pieces): Likewise.
5498 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5500 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5502 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5503 is operand of switch, not str[0].
5505 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5507 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5508 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5510 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5512 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5513 end of insn_extra_address_constraint declaration.
5515 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5517 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5518 (no-sum-in-toc): Same.
5519 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5521 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5522 NO_FP_IN_TOC for -fPIC instead of mask.
5524 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5525 (BOOT_LDFLAGS): Delete.
5527 * config/rs6000/t-aix52: Same.
5529 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5530 (stmsi[345678]_power): New.
5532 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5534 * config/ia64/ia64.opt: Add empty line to end of file.
5536 2006-03-17 Richard Guenther <rguenther@suse.de>
5539 * builtins.c (get_pointer_alignment): For component style references
5540 adjust alignment to the component type alignment. Make sure
5541 to adjust alignment for component access of constants.
5543 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5545 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5548 2006-03-17 Paul Brook <paul@codesourcery.com>
5550 * doc/install.texi: Docuemnt --with-mode.
5551 * config.gcc: Add --with-mode for arm*-*-*.
5552 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5554 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5556 * sh.c (max_labelno_before_reorg): New variable.
5557 (sh_reorg): Initialize it.
5558 (find_barrier): Check max_labelno_before_reorg before using
5559 label_to_alignment. Take length of explicit alignment insns
5560 into account. When seeing a UNSPECV_CONST_END, return it.
5562 * sh.c (fixup_mova): Set mode of affected label to QImode.
5563 (untangle_mova): New function.
5564 (find_barrier): Use it. Check mode of label before decrementing
5566 (sh_reorg): Likewise.
5567 Set mode of all insns back to VOIDmode.
5569 * sh.c (MOVA_LABELREF): New macro.
5570 (mova_p, fixup_mova, sh_reorg): Use it.
5571 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5572 ADDR_DIFF_VEC matches mova.
5574 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5576 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5577 with ATTRIBUTE_UNUSED.
5579 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5581 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5582 pointer, instead of assuming it is possible to derive the
5583 correct args size from a call insn.
5585 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5587 * rtl.h (CONST_INT_P): Define.
5588 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5589 instead of GET_CODE(x) == CONST_INT.
5590 (vax_rtx_costs): Likewise.
5591 (vax_output_int_move): Likewise.
5592 (vax_output_int_add): Likewise.
5593 (legitimate_constant_address_p): Likewise.
5594 (index_term_p): Likewise.
5595 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5596 * config/vax/vax.md (and<mode>3): Likewise.
5597 (ashrsi3): Likewise.
5599 (movstricthi): Likewise.
5600 (movstrictqi): Likewise.
5601 (rotrsi3): Likewise.
5602 (five unnamed insns): Likewise.
5604 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5606 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5607 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5608 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5609 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5610 Pass to ASM_OUTPUT_DWARF_OFFSET.
5611 * dwarf2out.c (debug_frame_section): New.
5612 (output_call_frame_info): Use debug_frame_section. Pass it to
5613 dw2_asm_output_offset.
5614 (output_die): Pass appropriate section to dw2_asm_output_offset.
5615 (output_compilation_unit_header): Likewise.
5616 (output_pubnames): Likewise.
5617 (output_aranges): Likewise.
5618 (enum dw_val_class): Break dw_val_class_lbl_offset into
5619 dw_val_class_lineptr and dw_val_class_macptr.
5620 (add_AT_lbl_offset): Delete.
5621 (add_AT_lineptr): New.
5622 (add_AT_macptr): New.
5623 (AT_lbl): Expect a lineptr or macptr.
5624 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5625 (attr_checksum): Likewise.
5626 (same_dw_val_p): Likewise.
5627 (size_of_die): Likewise.
5628 (value_format): Likewise.
5629 (output_die): Likewise.
5630 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5632 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5633 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5634 * config/darwin-protos.h (darwin_file_start): New.
5635 (darwin_asm_output_dwarf_offset): New.
5636 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5637 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5639 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5640 if not EH section; simplify.
5641 (darwin_file_start): New.
5642 (darwin_asm_output_dwarf_offset): New.
5643 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5645 (DEBUG_INFO_SECTION): Likewise.
5646 (DEBUG_ABBREV_SECTION): Likewise.
5647 (DEBUG_ARANGES_SECTION): Likewise.
5648 (DEBUG_MACINFO_SECTION): Likewise.
5649 (DEBUG_LINE_SECTION): Likewise.
5650 (DEBUG_LOC_SECTION): Likewise.
5651 (DEBUG_PUBNAMES_SECTION): Likewise.
5652 (DEBUG_STR_SECTION): Likewise.
5653 (DEBUG_RANGES_SECTION): Likewise.
5654 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5655 (ASM_OUTPUT_DWARF_OFFSET): New.
5657 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5659 * config.gcc (tm_defines): Always add to previous value rather
5662 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5664 * config/mips/predicates.md (splittable_const_int_operand): New,
5665 split from move_operand.
5666 (splittable_symbolic_operand): New.
5667 (move_operand): Add commentary. Use splittable_const_int_operand.
5668 Inline mips_atomic_symbolic_constant_p.
5669 * config/mips/mips.md: Add combine splitters for handling moves
5670 of splittable_const_int_operands and splittable_symbolic_operands.
5671 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5672 (mips_split_symbol): Declare.
5673 (mips_move_integer): Declare.
5674 * config/mips/mips.c (mips_split_p): Make global.
5675 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5676 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5677 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5678 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5679 (mips_offset_within_object_p): Handle block symbols.
5680 (mips_atomic_symbolic_constant_p): Delete.
5681 (mips_cannot_force_const_mem): Return false for constants that
5682 mips_legitimize_move can handle.
5683 (mips_use_blocks_for_constant_p): New function.
5684 (mips_split_symbol): Make global.
5685 (mips_move_integer): Likewise. Add a temporary register argument.
5686 (mips_legitimize_const_move): Use splittable_const_int_operand and
5687 splittable_symbolic_operand.
5688 (mips_use_anchors_for_symbol_p): New function.
5689 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5690 (mips_split_p): Declare.
5692 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5694 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5695 (mips*-*-linux*): Likewise.
5697 2006-03-16 Roger Sayle <roger@eyesopen.com>
5698 Daniel Speyer <dspeyer@wam.umd.edu>
5701 * tree-dump.c (dump_real): New function.
5702 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5703 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5704 (tree-dump.o): Add $(REAL_H) to the dependencies.
5706 2006-03-16 Roger Sayle <roger@eyesopen.com>
5709 * real.c (real_from_string): If the mantissa is zero, don't bother
5710 parsing the exponent as the result should always be zero.
5712 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5714 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5716 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5718 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5719 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5720 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5721 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5722 ia64_sched_finish_global): New static functions to implement
5723 hooks from gcc_target.sched.
5724 (spec_check_no, max_uid, pending_data_specs): New static variables.
5725 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5726 ia64_spec_check_src_p): New static functions.
5727 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5728 (TARGET_SCHED_ADJUST_COST): Removed.
5729 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5730 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5731 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5732 TARGET_SCHED_GEN_CHECK,
5733 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5734 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5735 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5736 Fixed to handle speculation checks.
5737 (rtx_needs_barrier): Fixed to handle speculative loads and
5739 (ia64_variable_issue): Added code to count speculative loads and their
5741 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5743 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5745 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5747 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5748 (ia64_reorg): Reset stops_p to NULL after it is freed.
5749 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5750 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5751 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5753 (data_speculative, control_speculative, check_load): New attributes.
5754 (mov<mode>_advanced, mov<mode>_speculative,
5755 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5756 zero_extend<mode>di2_speculative,
5757 zero_extend<mode>di2_speculative_advanced): New patterns for
5758 data and control speculative loads.
5759 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5761 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5762 New pattern for data and control speculation checks.
5763 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5764 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5765 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5766 Auxiliary definitions for the patterns.
5767 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5768 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5770 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5772 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5773 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5774 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5775 New resource constraints.
5776 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5778 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5779 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5780 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5781 msched-in-control-spec, msched-ldc, msched-control-ldc,
5782 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5783 msched-prefer-non-control-spec-insns,
5784 msched-count-spec-in-critical-path): New flags to tune speculative
5786 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5787 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5788 msched-in-control-spec, msched-ldc, msched-control-ldc,
5789 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5790 msched-prefer-non-control-spec-insns,
5791 msched-count-spec-in-critical-path): Document new flags.
5793 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5795 * target.h (struct spec_info_def): New opaque declaration.
5796 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5797 speculate_insn, needs_block_p, gen_check,
5798 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5799 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5800 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5801 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5802 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5803 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5805 (TARGET_SCHED): Use new macros.
5806 * rtl.h (copy_DEPS_LIST_list): New prototype.
5807 * sched-int.h (struct sched_info): Change signature of new_ready field,
5808 adjust all initializations. New fields: add_remove_insn,
5809 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5810 region_head_or_leaf_p.
5811 (struct spec_info_def): New structure declaration.
5812 (spec_info_t): New typedef.
5813 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5814 recovery_block, orig_pat.
5815 (glat_start, glat_end): New variables declaraions.
5816 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5818 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5819 DETACH_LIFE_INFO, USE_GLAT.
5820 (enum SPEC_SCHED_FLAGS): New enumeration.
5821 (NOTE_NOTE_BB_P): New macro.
5822 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5823 attach_life_info, debug_spec_status, check_reg_live): New functions.
5824 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5825 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5827 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5828 * ddg.c (get_block_head_tail): Adjust all uses.
5829 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5830 (sms_sched_info): Initialize new fields.
5831 (contributes_to_priority): Removed.
5832 * haifa-sched.c (params.h): New include.
5833 (get_block_head_tail): Adjust all uses.
5834 (ISSUE_POINTS): New macro.
5835 (glat_start, glat_end): New global variables.
5836 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5837 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5838 old_last_basic_block, before_recovery, current_sched_info_var,
5839 rgn_n_insns, luid): New static variables.
5840 (insn_cost1): New function. Move logic from insn_cost to here.
5841 (find_insn_reg_weight1): New function. Move logic from
5842 find_insn_reg_weight to here.
5843 (reemit_notes, move_insn, max_issue): Change signature.
5844 (move_insn1): Removed.
5845 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5846 extend_bb): New static functions to support extension of scheduler's
5848 (generate_recovery_code, process_insn_depend_be_in_spec,
5849 begin_speculative_block, add_to_speculative_block,
5850 init_before_recovery, create_recovery_block, create_check_block_twin,
5851 fix_recovery_deps): New static functions to support
5852 generation of recovery code.
5853 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5854 restore_bb_notes, move_block_after_check, move_succs): New static
5855 functions to support ebb scheduling.
5856 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5857 functions to support handling of register live information.
5858 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5859 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5860 add_jump_dependencies): New static functions.
5861 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5862 consistancy checking.
5863 (debug_spec_status): New function to call from debugger.
5864 (priority): Added code to handle speculation checks.
5865 (rank_for_schedule): Added code to distinguish speculative instructions.
5866 (schedule_insn): Added code to handle speculation checks.
5867 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5868 Fixed to handle ebbs.
5869 (move_insn): Added code to handle ebb scheduling.
5870 (max_issue): Added code to use ISSUE_POINTS of instructions.
5871 (choose_ready): Added code to choose between speculative and
5872 non-speculative instructions.
5873 (schedule_block): Added code to handle ebb scheduling and scheduling of
5874 speculative instructions.
5875 (sched_init): Initialize new variables.
5876 (sched_finish): Free new variables. Print statistics.
5877 (try_ready): Added code to handle speculative instructions.
5878 * lists.c (copy_DEPS_LIST_list): New function.
5879 * sched-deps.c (extend_dependency_caches): New function. Move logic
5880 from create_dependency_caches to here.
5881 (get_dep_weak, ds_merge): Make global.
5882 * genattr.c (main): Code to output prototype for
5883 dfa_clear_single_insn_cache.
5884 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5885 (output_dfa_clean_insn_cache_func): Code to output
5886 dfa_clear_single_insn_cache function.
5887 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5889 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5891 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5892 New static variables.
5893 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5894 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5896 (ebb_sched_info): Initialize new fields.
5897 (get_block_head_tail): Adjust all uses.
5898 (compute_jump_reg_dependencies): Fixed to use glat_start.
5899 (schedule_ebb): Code to remove unreachable last block.
5900 (schedule_ebbs): Added code to update register live information.
5901 * sched-rgn.c (region_sched_info): Initialize new fields.
5902 (get_block_head_tail): Adjust all uses.
5903 (last_was_jump): Removed. Adjust users.
5904 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5905 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5906 Implement new hooks.
5907 (check_dead_notes1): New static function.
5908 (struct region): New fields: dont_calc_deps, has_real_ebb.
5909 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5910 (BB_TO_BLOCK): Fixed to handle EBBs.
5911 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5912 (ebb_head): New static variable.
5913 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5914 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5916 (compute_dom_prob_ps): New assertion.
5917 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5918 global_live_at_start.
5919 (init_ready_list): New assertions.
5920 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5921 (new_ready): Add support for BEGIN_CONTROL speculation.
5922 (schedule_insns): Fixed code that updates register live information
5924 (schedule_region): Fixed to handle EBBs.
5925 (init_regions): Use extend_regions and check_dead_notes1.
5926 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5927 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5928 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5929 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5930 TARGET_SCHED_GEN_CHECK,
5931 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5932 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5933 * doc/invoke.texi (max-sched-insn-conflict-delay,
5934 sched-spec-prob-cutoff): Document.
5936 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5938 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5939 inter_tick, queue_index.
5940 (struct sched_info): Change signature of init_ready_list field.
5941 Adjust all initializations.
5942 (RESOLVED_DEPS): New access macro.
5943 (ready_add): Remove prototype.
5944 (try_ready): Add prototype.
5945 * sched-rgn.c (init_ready_list): Use try_ready.
5946 (schedule_region): Initialize
5947 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5948 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5949 (init_ready_list): Use try_ready.
5950 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5951 * lists.c (remove_list_elem): Remove `static'.
5952 (remove_free_INSN_LIST_elem): New function.
5953 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5954 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5955 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5957 (readyp): New variable.
5958 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5959 change_queue_index, resolve_dep): New static functions.
5960 (try_ready): New function. Adjust callers in sched-rgn.c and
5961 sched-ebb.c to use it instead of ready_add.
5962 (clock_var): Move at the begining of file.
5963 (rank_for_schedule): Fix typo.
5964 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5965 (ready_lastpos): Enforce assertion.
5966 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5968 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5969 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5970 (queue_to_ready): Use free_INSN_LIST_list.
5971 (early_queue_to_ready): Fix typo.
5972 (schedule_block): Init readyp. Move init_ready_list call after the
5973 initialization of clock_var. Fix error in rejecting insn by
5974 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5975 that previously corrected INSN_TICKs. Add code for handling
5977 (set_priorities): Fix typo.
5978 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5979 Clarify comment and code that keeps current_sched_info->next_tail
5982 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5984 * sched-rgn.c (extend_rgns): New static function.
5985 (find_rgns): Use it.
5986 (gather_region_statistics, print_region_statistics): New static
5988 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5989 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5991 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5992 Andrey Belevantsev <abel@ispras.ru>
5994 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5995 * lists.c (unused_deps_list): New variable.
5996 (free_list): Add assertions to verify the proper distinguishing
5997 between INSN_LISTs and DEPS_LISTs.
5998 (find_list_elem, remove_list_elem, remove_list_node): New static
6000 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6001 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6002 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6003 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6005 (free_INSN_LIST_node): Likewise.
6006 * modulo-sched.c (current_sched_info): Initialize flags field.
6007 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6008 * rtl.def (DEPS_LIST): Define.
6009 * rtl.h: Declare new functions from lists.c.
6010 * sched-deps.c (spec_dependency_cache): New static variable.
6011 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6012 (add_dependence): Change return type to void. Move the logic to ...
6013 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6014 (delete_all_dependences): Add comment about forward_dependency_cache.
6015 Handle spec_dependency_cache. Handle DEPS_LISTs.
6016 (fixup_sched_groups): Clarify the change of priority of output
6017 and anti dependencies.
6018 (sched_analyze_2): Adjust add_dependence calls to create data
6019 speculative dependence.
6020 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6021 Adjust all callers. Handle DEPS_LISTS.
6022 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6023 presence of speculation.
6024 (init_dependency_caches, free_dependency_caches):
6025 Handle spec_dependency_cache.
6026 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6027 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6028 New static functions.
6029 (add_or_update_back_dep, add_or_update_back_forw_dep,
6030 add_back_forw_dep, delete_back_forw_dep): New functions.
6031 * sched-int.h (ds_t, dw_t): New typedefs.
6032 (struct sched_info): Add new field flags.
6033 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6034 Prototype new sched-deps.c functions.
6035 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6036 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6037 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6038 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6039 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6040 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6042 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6044 * sched-rgn.c (current_sched_info): Initialize flags field.
6045 (schedule_insns): Initialize current_sched_info before the sched_init
6047 * sched-ebb.c (current_sched_info): Initialize flags field.
6048 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6049 Call add_or_update_back_dep instead of add_dependence.
6050 Create control speculative dependencies.
6051 (schedule_insns): Initialize current_sched_info before the sched_init
6054 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6056 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6058 (sh_fallback_frame_state): Likewise.
6060 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6062 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6063 Do switch on default_use_cxa_atexit.
6064 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6065 * config/darwin-crt3.o: New.
6066 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6067 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6068 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6070 * config/rs6000/t-darwin: Move crt2.o building to here.
6071 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6072 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6075 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6077 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6078 from '! xxx' to '!xxx' for coding-style conformance.
6079 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6080 (EXTRA_CONSTRAINT): Likewise.
6081 * config/vax/vax.md (four unnamed insns): Likewise.
6083 2006-03-15 Paul Brook <paul@codesourcery.com>
6085 * config/arm/arm.c (minipool_pad): New.
6086 (add_minipool_forward_ref): Include pool alignment padding in address
6088 (push_minipool_fix): Set minipool_pad.
6089 (minipool_pad): Ditto.
6091 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6093 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6094 instead of GET_CODE() == MEM and REG_P() instead of
6096 (print_operand_address): Likewise.
6097 (vax_address_cost): Likewise.
6098 (vax_rtx_costs): Likewise.
6099 (vax_notice_update_cc): Likewise.
6100 (vax_output_int_add): Likewise.
6101 (INDEX_REGISTER_P): Likewise.
6102 (BASE_REGISTER_P): Likewise.
6103 (nonindexed_address_p): Likewise.
6104 (vax_mode_dependent_address_p): Likewise.
6105 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6106 (PRINT_OPERAND): Likewise.
6107 * config/vax/vax.md (ashlsi3): Likewise.
6108 (ashlsi3): Likewise.
6109 (some more unnamed insns): Likewise.
6111 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6113 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6114 iterator-style macro.
6115 (mark_control_dependent_edges_necessary): Update the use of
6116 EXECUTE_IF_CONTROL_DEPENDENT.
6118 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6120 * config/sh/predicates.md (cache_address_operand): Special.
6121 (ua_address_operand): Likewise.
6123 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6125 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6127 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6129 2006-03-15 Andreas Schwab <schwab@suse.de>
6131 * gensupport.c (identify_predicable_attribute): Don't free p_false
6132 when it is still in use.
6134 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6136 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6137 the default setting here.
6139 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6141 * tree-pass.h (pass_cfg): Remove.
6142 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6143 * passes.c (pass_cfg): Don't run it.
6145 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6147 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6148 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6150 (stack_regs_mentioned): Update the uses of
6151 stack_regs_mentioned_data. Don't access the array beyond its
6153 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6154 Don't include gt-reg-stack.h.
6156 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6157 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6159 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6162 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6165 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6167 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6169 2006-03-14 Richard Guenther <rguenther@suse.de>
6171 PR tree-optimization/26672
6172 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6175 2006-03-14 Richard Guenther <rguenther@suse.de>
6177 PR tree-optimization/26667
6178 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6179 node for the callees. Always allow inlining if it will shrink
6182 2006-03-14 Richard Guenther <rguenther@suse.de>
6185 * builtins.c (get_pointer_alignment): Prefer alignment
6186 information from decls over that from types.
6188 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6191 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6193 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6195 * config/rs6000/rs6000.opt (mdlmzb): New option.
6196 (msched-prolog, msched-epilog): Use Var not Mask.
6197 * doc/invoke.texi (-mdlmzb): Document.
6198 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6200 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6201 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6203 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6205 PR rtl-optimization/25739
6206 * bt-load.c (augment_live_range): Free tos pointer.
6208 * gensupport.c (identify_predicable_attribute): Free
6210 * gcov.c (create_file_names): Free name pointer.
6212 2006-03-13 Roger Sayle <roger@eyesopen.com>
6215 * stmt.c (emit_case_nodes): Handle the case where the index is a
6216 CONST_INT, where the comparison mode is specified by the index type.
6218 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6220 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6223 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6225 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6226 (*branch_fp_inverted): Likewise.
6228 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6231 * omp-low.c (expand_omp_for_generic): Mark istart0
6232 and iend0 as addressable.
6234 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6236 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6238 2006-03-13 Jeff Law <law@redhat.com>
6240 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6241 virtual operands are interesting.
6242 (vrp_visit_stmt): Corresponding changes.
6244 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6246 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6248 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6249 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6250 * config/bfin/crti.S: Use it instead of __PIC__.
6251 * config/bfin/crtn.S: Likewise.
6253 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6254 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6256 Lose 'G' modifier for call operand.
6257 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6258 recognize 'G' modifier.
6260 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6263 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6264 * stmt.c (expand_case): Likewise.
6266 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6268 PR rtl-optimization/26254
6269 * loop-invariant.c (seq_insns_valid_p): New function.
6270 (move_invariant_reg): Only emit new code if it is valid.
6272 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6274 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6276 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6277 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6278 (commit_one_edge_insertion): Do not look for loop notes.
6280 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6282 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6283 flag_test_coverage out of loop.
6285 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6287 * final.c (shorten_branches): Remove outdated comment, and turn
6288 the if branch that guards it to continue.
6290 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6292 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6293 * cfgloop.h (struct loop): Remove unused fields.
6295 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6297 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6298 (-dL, -fdump-rtl-loop2): Update the dump file names
6300 * doc/invoke.texi: Update dump file names.
6302 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6304 * predict.c (estimate_probability): Remove.
6305 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6306 * basic-block.h (estimate_probability): Remove prototype.
6307 * passes.c (finish_optimization_passes): Dump branch prediction or
6308 profiling heuristics to the .profile tree dump.
6309 (init_optimization_passes): Unqueue pass_branch_prob.
6311 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6313 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6315 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6316 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6318 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6320 * function.h (frame_offset_overflow): Declare.
6321 * function.c (frame_offset_overflow): New function.
6322 (assign_stack_local_1): Call it to detect that the offset overflows.
6323 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6325 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6327 * config/sh/sh.c: Include alloc-pool.h.
6328 (label_ref_list_pool): New alloc pool.
6329 (label_ref_list_t): New type for lists of labels.
6330 (struct pool_node): Make wend a label_ref_list_t.
6331 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6333 (dump_table): Likewise.
6334 (sh_reorg): Set up the alloc pool before using add_constant and
6335 dump_table, and destroy it when finishing.
6337 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6339 * config/mips/mips.c: Remove redundant comment.
6341 2006-03-10 Jason Merrill <jason@redhat.com>
6344 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6345 the target was declared 'register'.
6347 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6349 * genpreds.c (write_insn_constraint_len): Change definition of
6350 insn_constraint_len to return size_t to match the declaration.
6352 2006-03-10 DJ Delorie <dj@redhat.com>
6354 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6356 (m32c_expand_insv): Fix test for an AND mask.
6358 2006-03-10 Richard Guenther <rguenther@suse.de>
6361 * builtins.c (get_pointer_alignment): Handle component
6362 references for field alignment.
6364 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6366 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6367 when building with libgloss.
6368 (sh*elf): Implement --without-fp option.
6369 (sh64-superh-linux*): Don't multilib.
6371 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6373 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6375 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6377 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6378 Set it when one of the replacement functions returned true.
6379 Return TODO_cleanup_cfg if cfgchanged is true.
6380 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6382 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6384 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6385 instead of gen_lowpart.
6387 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6389 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6391 (mips_output_order_conditional_branch): Declare.
6392 * config/mips/mips.h (MIPS_BRANCH): New macro.
6393 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6394 for the comparison. Use gen_condjump.
6395 (mips_output_conditional_branch): Rework interface to take the
6396 asm templates for a direct branch and the inverse of a direct branch.
6397 (mips_output_order_conditional_branch): New function.
6398 (mips_builtin_branch_and_move): New function.
6399 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6400 branch condition. Use gen_single_cc as the condition for
6401 __builtin_mips_upper_* or __builtin_mips_lower_*.
6402 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6403 Use VOIDmode for the branch condition.
6404 * config/mips/predicates.md (order_operator): New predicate.
6405 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6406 (branch_fp): Rename to...
6407 (*branch_fp): ...this. Remove mode from comparison operator.
6408 Use new mips_output_conditional_branch interface.
6409 (branch_fp_inverted): Rename to...
6410 (*branch_fp_inverted): ...this and update as for *branch_fp.
6411 (*branch_zero<mode>): Rename to...
6412 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6413 Use mips_output_order_conditional_branch. Only accept ordered
6415 (*branch_zero<mode>_inverted): Rename to...
6416 (*branch_order<mode>_inverted): ...this and update as for
6417 *branch_order<mode>.
6418 (*branch_equality<mode>): Accept zero as the second operand to
6419 the equality operator. Use the new mips_output_conditional_branch
6421 (*branch_equality<mode>_inverted): Likewise.
6422 (condjump): New expander.
6423 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6425 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6426 (bc1any2t, bc1any2f): Likewise.
6427 (single_cc): New expander.
6428 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6430 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6432 * doc/md.texi: Update documentation of MIPS constraints.
6433 * config/mips/constraints.md: New file.
6434 * config/mips/mips.md: Include it.
6435 * config/mips/mips.c (mips_char_to_class): Delete.
6436 (override_options): Don't initialize mips_char_to_class.
6437 * config/mips/mips.h (mips_char_to_class): Delete.
6438 (REG_CLASS_FROM_LETTER): Delete.
6439 (CONST_OK_FOR_LETTER_P): Delete.
6440 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6441 (EXTRA_CONSTRAINT_Y): Delete.
6442 (EXTRA_CONSTRAINT_STR): Delete.
6443 (CONSTRAINT_LEN): Delete.
6444 (EXTRA_MEMORY_CONSTRAINT): Delete.
6446 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6448 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6449 original fn's eh regions.
6451 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6453 * fold-const.c (build_range_check): Make sure to use a valid type to
6454 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6457 (range_predecessor): New static function.
6458 (range_successor): Likewise.
6459 (merge_ranges): Use them to compute predecessors and successors of
6462 2006-03-09 Roger Sayle <roger@eyesopen.com>
6465 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6466 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6468 2006-03-08 DJ Delorie <dj@redhat.com>
6470 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6471 (addpsi3): Expand to include memory operands. Remove
6472 reload-specific splits.
6473 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6474 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6475 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6476 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6477 (shift1_qi, shift1_hi, insv): New.
6478 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6479 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6480 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6482 * config/m32c/m32c-protos.h: Update as needed.
6483 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6484 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6485 Fail for unrecognized R* constraints.
6486 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6487 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6488 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6490 (m32c_init_libfuncs): New.
6491 (m32c_legitimate_address_p): Add debug wrapper.
6492 (m32c_rtx_costs): New.
6493 (m32c_address_cost): New.
6494 (conversions): Add 'B' prefix.
6495 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6496 operands, or word regnames for QI operands. 'B' prints bit
6498 (m32c_expand_setmemhi): New.
6499 (m32c_expand_movmemhi): New.
6500 (m32c_expand_movstr): New.
6501 (m32c_expand_cmpstr): New.
6502 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6503 (m32c_expand_neg_mulpsi3): Handle non-ints.
6504 (m32c_cmp_flg_0): New.
6505 (m32c_expand_movcc): New.
6506 (m32c_expand_insv): New.
6507 (m32c_scc_pattern): New.
6508 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6509 a0/a1 out of SIregs.
6510 (STORE_FLAG_VALUE): New.
6511 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6514 * config/m32c/mov.md: Make constraints more liberal.
6515 (zero_extendqihi2): Optimize r0/r1 case.
6516 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6517 * config/m32c/predicates.md (m32c_any_operand): New.
6518 (m32c_nonimmediate_operand): New.
6519 (m32c_hl_operand): New.
6520 (m32c_r3_operand): New.
6523 (memsym_operand): New.
6524 (memimmed_operand): New.
6525 (a_qi_operand): New.
6526 (m32c_eqne_operator): New.
6527 (m32c_1bit8_operand): New.
6528 (m32c_1bit16_operand): New.
6529 (m32c_1mask8_operand): New.
6530 (m32c_1mask16_operand): New.
6531 * config/m32c/blkmov.md: New file.
6532 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6534 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6536 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6537 unsigned to fix signed/unsigned comparison issue in
6538 DWARF2_FRAME_REG_OUT.
6539 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6540 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6542 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6543 of ptr into the ENABLE_CHECKING section.
6545 2006-03-08 Jeff Law <law@redhat.com>
6547 * tree-vrp.c (infer_value_range): Only count pointer uses
6548 and dereferences if -fdelete-null-pointer-checks is enabled.
6550 * tree-vrp.c (find_assert_locations): Infer value ranges for
6551 single use pointers, but do not create ASSERT_EXPRs for them.
6552 When a non-null range is inferred for a pointer, backwards
6553 propagate that range to other equivalent pointers through the
6556 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6559 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6560 language hook targets.
6561 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6562 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6563 if language hook targets were missing.
6565 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6567 * tree-ssa-opfinalize.h: Removed.
6568 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6570 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6571 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6572 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6573 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6574 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6575 finalize_ssa_v_must_def_ops): New.
6577 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6579 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6582 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6584 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6586 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6587 addresses with offsets; reorganize.
6589 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6590 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6591 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6593 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6596 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6598 2006-03-08 Ben Elliston <bje@au.ibm.com>
6600 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6602 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6605 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6608 2006-03-07 Richard Guenther <rguenther@suse.de>
6610 PR tree-optimization/26587
6611 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6613 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6615 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6617 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6619 * hooks.c (hook_bool_mode_rtx_true): New function.
6620 * hooks.h (hook_bool_mode_rtx_true): Declare.
6621 * toplev.c (compile_file): Call output_shared_constant_pool.
6622 * varasm.c (shared_constant_pool): New variable.
6623 (assemble_start_function, assemble_end_function): Remove arguments
6624 from call to output_constant_pool.
6625 (create_constant_pool): New function, split out from...
6626 (init_varasm_status): ...here.
6627 (force_const_mem): Choose between the shared and per-function constant
6628 pools. Set current_function_uses_const_pool when reusing old entries
6629 as well as when creating new ones.
6630 (mark_constant): Ignore data argument.
6631 (mark_constants): Remove pool argument.
6632 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6633 to decide whether the function uses a constant pool.
6634 (output_constant_pool_contents): New function, split out from...
6635 (output_constant_pool): ...here.
6636 (output_shared_constant_pool): New function.
6637 (init_varasm_once): Initialize shared_constant_pool.
6638 * output.h (output_constant_pool): Delete.
6639 (output_shared_constant_pool): Declare.
6640 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6641 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6643 2006-03-06 Nick Clifton <nickc@redhat.com>
6645 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6646 flag_strength_reduce.
6648 2006-03-06 Ben Elliston <bje@au.ibm.com>
6650 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6651 x86_64-*-linux* configurations.
6653 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6654 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6656 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6658 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6660 * basic-block.h: Remove the extern for
6661 rediscover_loops_after_threading.
6663 * cfgloop.c (cancel_loop): Make it static.
6664 * cfgloop.h: Remove the prototype for cancel_loop.
6666 * flow.c (recompute_reg_usage): Make it static.
6667 * rtl.h: Remove the prototype for recompute_reg_usage.
6669 * function.c (use_return_register): Make it static.
6670 * function.h: Remove the prototype.
6672 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6674 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6676 * recog.h: Remove the prototype for
6677 validate_change_maybe_volatile.
6679 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6681 * rtlanal.c (replace_reg): Remove.
6682 * rtl.h: Remove the prototype for replace_reg.
6684 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6686 * regclass.c (reg_scan_update): Remove.
6687 (reg_scan_mark_refs): Remove the last argument.
6688 * rtl.h: Remove the prototype for reg_scan_update.
6690 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6692 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6693 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6694 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6695 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6696 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6697 loop-invariant.c, omp-low.c, opts.c, passes.c,
6698 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6699 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6700 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6701 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6702 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6703 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6705 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6707 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6708 * dwarf2out.h: Remove the prototype for
6709 dwarf2out_add_library_unit_info.
6711 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6713 * tree.c (add_var_to_bind_expr): Remove.
6714 * tree.h: Remove the prototype for add_var_to_bind_expr.
6716 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6718 * regclass.c (n_non_fixed_regs): Remove.
6719 (init_reg_sets_1, globalize_reg): Remove all uses of
6721 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6723 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6725 * rtlanal.c (insns_safe_to_move_p): Remove.
6726 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6728 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6730 * expmed.c (expand_mult_add): Remove.
6731 * expr.h: Remove the prototype for expand_mult_add.
6733 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6735 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6736 and REG_SAVED_VAL_EXP constants.
6737 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6738 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6739 Handle regs stored by value.
6740 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6741 (execute_cfa_program): Handle DW_CFA_val_offset,
6742 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6743 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6744 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6745 (uw_install_context_1): Handle target regs stored by value.
6747 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6749 * tree-sra.c (tree_sra): Return todoflags;
6750 (generate_one_element): Set TODO_update_smt_usage if needed.
6751 (pass_sra): Remove TODO_update_smt_usage.
6752 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6754 (tree_ssa_forward_propagate_single_use_vars): Return
6755 TODO_update_smt_usage if we need to update SMT usage.
6756 (pass_forwprop): Remove TODO_update_smt_usage.
6758 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6760 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6761 (correct_use_link): Remove reference to get_stmt_operands.
6762 (update_stmt_operands): Likewise.
6763 (get_modify_expr_operands): New function factored out of
6764 parse_ssa_operands and get_expr_operands.
6765 Try to create V_MUST_DEFs for LHS by default.
6766 (get_expr_operands) <case MODIFY_EXPR>: Call
6767 get_modify_expr_operands.
6768 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6769 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6770 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6771 get_modify_expr_operands.
6773 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6775 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6776 * tree-flow.h: Remove the prototype for
6777 referenced_var_lookup_if_exists.
6779 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6781 PR rtl-optimization/26345
6783 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6785 2006-03-03 Roger Sayle <roger@eyesopen.com>
6787 PR tree-optimization/26524
6788 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6789 fold_convert to create a constant of the appropriate type.
6791 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6793 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6794 SYMBOL_REF_IN_BLOCK_P.
6795 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6796 of SYMBOL_FLAG_IN_BLOCK.
6797 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6798 instead of SYMBOL_REF_IN_BLOCK_P.
6799 * explow.c (use_anchored_address): Likewise.
6800 * rtl.c (rtx_size): Likewise.
6801 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6802 instead of SYMBOL_FLAG_IN_BLOCK.
6803 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6804 SYMBOL_REF_IN_BLOCK_P.
6805 (assemble_variable): Likewise.
6806 (output_constant_def_contents): Likewise.
6807 (output_constant_pool): Likewise.
6808 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6809 instead of SYMBOL_FLAG_IN_BLOCK.
6810 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6811 SYMBOL_REF_IN_BLOCK_P.
6812 (SYMBOL_REF_BLOCK): Likewise.
6813 (SYMBOL_REF_OFFSET): Likewise.
6814 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6815 SYMBOL_REF_IN_BLOCK_P.
6816 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6817 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6818 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6819 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6821 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6823 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6825 2006-03-02 Roger Sayle <roger@eyesopen.com>
6827 * simplify-rtx.c (simplify_unary_operation): When simplifying
6828 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6829 that we perform the right shift in the appropriate mode, and
6830 then extend or truncate the result to requested mode.
6832 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6834 * gengtype.c (main): Handle double_int type.
6835 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6836 * double-int.c: New file.
6837 * double-int.h: New file.
6838 * system.h: Include doubleint.h.
6839 * Makefile.in (SYSTEM_H): Include double-int.h.
6840 (double-int.o): Add.
6842 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6845 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6848 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6850 * tree-vrp.c (remove_range_assertions): Do not update statements
6853 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6855 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6857 * gcse.c (rest_of_handle_gcse): Ditto.
6858 * except.c (gate_handle_eh): Ditto.
6859 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6860 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6862 2006-03-02 Eric Christopher <echristo@apple.com>
6864 * config/i386/i386.c (machopic_output_stub): Add indirection to
6867 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6871 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6873 Sun Niagara specific optimizations.
6874 * config.gcc: Recognize niagara as target.
6875 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6876 (TARGET_CPU_niagara): Define.
6877 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6878 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6879 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6880 (ASM_CPU_SPEC): Likewise.
6881 (PROCESSOR_NIAGARA): New enum entry.
6882 (REGISTER_MOVE_COST): Handle Niagara.
6883 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6884 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6885 (sparc_override_options): Recognize "niagara", set appropriate
6886 default MASK_* values for it, and align functions to 32-bytes
6887 by default just like ULTRASPARC/ULTRASPARC3.
6888 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6889 (sparc64_initialize_trampoline): Likewise.
6890 (sparc_use_sched_lookahead): Use zero for niagara.
6891 (sparc_issue_rate): Use one for niagara.
6892 * config/sparc/niagara.md: New file.
6893 * config/sparc/sparc.md: Include it.
6894 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6895 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6896 when default cpu is niagara.
6897 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6898 (ASM_CPU_SPEC): Likewise.
6899 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6900 when default cpu is niagara.
6901 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6902 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6903 just like v9/ultrasparc/ultrasparc3.
6904 * doc/invoke.texi: Add documentation for "niagara" and improve
6905 existing documentation for ultrasparc variants.
6907 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6909 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6911 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6913 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6914 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6915 and say that only one is needed.
6916 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6917 * target.h (have_switchable_bss_sections): New hook.
6918 * explow.c (use_anchored_address): Check that the symbol is in a block.
6919 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6920 (bss_noswitch_section): New variables.
6921 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6922 (get_noswitch_section): New function.
6923 (get_block_for_section): Allow SECT to be null.
6924 (unlikely_text_section_p): Use SECTION_STYLE.
6925 (bss_initializer_p): New function.
6926 (get_variable_section): Move earlier in file. Take a new argument,
6927 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6928 Return one of the new *_sections in such cases.
6929 (get_block_for_decl): New function, extracting some logic from
6930 use_blocks_for_decl_p.
6931 (change_symbol_section): Remove in favor of...
6932 (change_symbol_block): ...this new function.
6933 (use_blocks_for_decl_p): Remove checks now performed by
6935 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6936 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6937 (emit_local, emit_bss, emit_common): ...these new functions.
6938 Return true if the alignment was honored.
6939 (emit_tls_common): New function.
6940 (asm_emit_uninitialised): Delete.
6941 (assemble_variable_noswitch): New function, split out from...
6942 (assemble_variable): ...here. Don't make decisions about common
6943 variables here. Globalize all public decls that go into non-common
6944 sections. Check whether SYMBOL_REF_BLOCK is null.
6945 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6946 (output_constant_pool): Likewise.
6947 (init_varasm_once): Initialize the new section variables.
6948 (have_global_bss_p): New function.
6949 (categorize_decl_for_section): Use bss_initializer_p.
6950 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6951 (place_block_symbol): Assert that the symbol must be in a block.
6952 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6953 (TARGET_INITIALIZER): Include it.
6954 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6955 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6956 (SECTION_MACH_DEP): Bump by two.
6957 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6958 (unnamed_section): Mention SECTION_UNNAMED in comment.
6959 (named_section): Likewise SECTION_NAMED.
6960 (noswitch_section_callback): New type.
6961 (noswitch_section): New structure.
6962 (section): Add a noswitch_section alternative.
6963 (SECTION_STYLE): New macro.
6964 (tls_comm_section, comm_section, lcomm_section): Declare.
6965 (bss_noswitch_section, have_global_bss_p): Declare.
6966 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6967 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6969 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6970 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6973 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6975 * tree-vrp.c (execute_vrp): Return value.
6976 * regrename.c (rest_of_handle_regrename): Ditto.
6977 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6978 * tree-complex.c (tree_lower_complex): Ditto.
6979 (tree_lower_complex_O0): Ditto.
6980 * tracer.c (rest_of_handle_tracer): Ditto.
6981 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6982 * postreload.c (rest_of_handle_postreload): Ditto.
6983 * tree-tailcall.c (execute_tail_recursion): Ditto.
6984 (execute_tail_calls): Ditto.
6985 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6986 * tree.h (init_function_for_compilation): Ditto.
6987 * ipa-cp.c (ipcp_driver): Ditto.
6988 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6989 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6990 * final.c (compute_alignments): Ditto.
6991 (rest_of_handle_final): Ditto.
6992 (rest_of_handle_shorten_branches): Ditto.
6993 (rest_of_clean_state): Ditto.
6994 * omp-low.c (execute_expand_omp): Ditto.
6995 (execute_lower_omp): Ditto.
6996 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6997 * ipa-reference.c (static_execute): Ditto.
6998 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6999 * reorg.c (rest_of_handle_delay_slots): Ditto.
7000 (rest_of_handle_machine_reorg): Ditto.
7001 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7002 * flow.c (recompute_reg_usage): Ditto.
7003 (rest_of_handle_remove_death_notes): Ditto.
7004 (rest_of_handle_life): Ditto.
7005 (rest_of_handle_flow2): Ditto.
7006 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7007 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7008 (do_ssa_store_ccp): Ditto.
7009 (execute_fold_all_builtins): Ditto.
7010 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7011 * modulo-sched.c (rest_of_handle_sms): Ditto.
7012 * ipa-pure-const.c (static_execute): Ditto.
7013 * cse.c (rest_of_handle_cse): Ditto.
7014 (rest_of_handle_cse2): Ditto.
7015 * web.c (rest_of_handle_web): Ditto.
7016 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7017 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7018 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7019 * tree-nrv.c (tree_nrv): Ditto.
7020 (execute_return_slot_opt): Ditto.
7021 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7022 (create_structure_vars): Ditto.
7023 * loop-init.c (rtl_loop_init): Ditto.
7024 (rtl_loop_done): Ditto.
7025 (rtl_move_loop_invariants): Ditto.
7026 (rtl_unswitch): Ditto.
7027 (rtl_unroll_and_peel_loops): Ditto.
7028 (rtl_doloop): Ditto.
7029 * gimple-low.c (lower_function_body): Ditto.
7030 (mark_used_blocks): Ditto.
7031 * tree-ssa-sink.c (execute_sink_code): Ditto.
7032 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7033 (cgraph_early_inlining): Ditto.
7034 * global.c (rest_of_handle_global_alloc): Ditto.
7035 * jump.c (cleanup_barriers): Ditto.
7036 (purge_line_number_notes): Ditto.
7037 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7038 (rest_of_handle_if_after_reload): Ditto.
7039 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7040 (tree_ssa_loop_im): Ditto.
7041 (tree_ssa_loop_unswitch): Ditto.
7042 (tree_vectorize): Ditto.
7043 (tree_linear_transform): Ditto.
7044 (tree_ssa_loop_ivcanon): Ditto.
7045 (tree_ssa_empty_loop): Ditto.
7046 (tree_ssa_loop_bounds): Ditto.
7047 (tree_complete_unroll): Ditto.
7048 (tree_ssa_loop_prefetch): Ditto.
7049 (tree_ssa_loop_ivopts): Ditto.
7050 (tree_ssa_loop_done): Ditto.
7051 * predict.c (tree_estimate_probability): Ditto.
7052 * recog.c (split_all_insns_noflow): Ditto.
7053 (rest_of_handle_peephole2): Ditto.
7054 (rest_of_handle_split_all_insns): Ditto.
7055 * tree-eh.c (lower_eh_constructs): Ditto.
7056 * regmove.c (rest_of_handle_regmove): Ditto.
7057 (rest_of_handle_stack_adjustments): Ditto.
7058 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7059 * function.c (instantiate_virtual_regs): Ditto.
7060 (init_function_for_compilation): Ditto.
7061 (rest_of_handle_check_leaf_regs): Ditto.
7062 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7063 (rest_of_handle_gcse): Ditto.
7064 * ipa-type-escape.c (type_escape_execute): Ditto.
7065 * alias.c (rest_of_handle_cfg): Ditto.
7066 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7067 * profile.c (rest_of_handle_branch_prob): Ditto.
7068 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7069 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7070 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7071 * tree-dfa.c (find_referenced_vars): Ditto.
7072 * except.c (set_nothrow_function_flags): Ditto.
7073 (convert_to_eh_region_ranges): Ditto.
7074 (rest_of_handle_eh): Ditto.
7075 * emit-rtl.c (unshare_all_rtl): Ditto.
7076 (remove_unnecessary_notes): Ditto.
7077 * except.h (set_nothrow_function_flags): Ditto.
7078 (convert_to_eh_region_ranges): Ditto.
7079 * cfgexpand.c (tree_expand_cfg): Ditto.
7080 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7081 * tree-ssa-pre.c (do_pre): Ditto.
7082 (execute_fre): Ditto.
7083 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7084 (rest_of_handle_jump2): Ditto.
7085 * tree-sra.c (tree_sra): Ditto.
7086 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7087 (execute_mudflap_function_decls): Ditto.
7088 * tree-ssa-copy.c (do_copy_prop): Ditto.
7089 (do_store_copy_prop): Ditto.
7090 * ipa-prop.h (ipcp_driver): Ditto.
7091 * cfglayout.c (insn_locators_initialize): Ditto.
7092 * tree-ssa-forwprop.c
7093 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7094 * cfglayout.h (insn_locators_initialize): Ditto.
7095 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7096 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7097 (execute_late_warn_uninitialized): Ditto.
7098 * rtl.h (cleanup_barriers): Ditto.
7099 (split_all_insns_noflow): Ditto.
7100 (purge_line_number_notes): Ditto.
7101 (unshare_all_rtl): Ditto.
7102 (remove_unnecessary_notes): Ditto.
7103 (recompute_reg_usage): Ditto.
7104 (variable_tracking_main): Ditto.
7105 * integrate.c (emit_initial_value_sets): Ditto.
7106 * integrate.h (emit_initial_value_sets): Ditto.
7107 * tree-optimize.c (execute_free_datastructures): Ditto
7108 (execute_free_cfg_annotations): Ditto.
7109 (execute_fixup_cfg): Ditto.
7110 (execute_cleanup_cfg_pre_ipa): Ditto.
7111 (execute_cleanup_cfg_post_optimizing): Ditto.
7112 (execute_init_datastructures): Ditto.
7113 * tree-object-size.c (compute_object_sizes): Ditto.
7114 * combine.c (rest_of_handle_combine): Ditto.
7115 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7116 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7117 (rest_of_handle_reorder_blocks): Ditto.
7118 (rest_of_handle_partition_blocks): Ditto.
7119 * var-tracking.c (variable_tracking_main): Ditto.
7120 * tree-profile.c (tree_profiling): Ditto.
7121 * tree-vect-generic.c (expand_vector_operations): Ditto.
7122 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7123 * sched-rgn.c (rest_of_handle_sched): Ditto.
7124 (rest_of_handle_sched2): Ditto.
7125 * basic-block.h (free_bb_insn): Ditto.
7126 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7127 * tree-cfg.c (execute_build_cfg): Ditto.
7128 (remove_useless_stmts): Ditto.
7129 (split_critical_edges): Ditto.
7130 (execute_warn_function_return): Ditto.
7131 (execute_warn_function_noreturn): Ditto.
7132 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7133 * cfgrtl.c (free_bb_for_insn): Ditto.
7134 * passes.c (execute_one_pass): Run additional
7135 todos returned by execute function.
7136 * tree-pass.h (struct tree_opt_pass): Make execute
7139 2006-03-02 Richard Guenther <rguenther@suse.de>
7141 * tree-ssa-alias.c (find_used_portions): Consider taking
7142 the address as making the variable not write-only.
7144 2006-03-02 Nick Clifton <nickc@redhat.com>
7146 * config.gcc (default_use_cxa_atexit): Extend the description of
7147 this configure variable. Set its default value to "yes" for
7148 Linux, NetBSD and ELF targets on the assumption that they will
7149 use C libraries with the __cxa_atexit function.
7151 2006-03-02 Ben Elliston <bje@au.ibm.com>
7153 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7154 parameter as unused to suppress a build warning.
7156 2006-03-02 Ben Elliston <bje@au.ibm.com>
7158 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7161 2006-03-01 Roger Sayle <roger@eyesopen.com>
7164 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7165 declared name, the weak reference name, and the typeof name.
7166 (__gthrw): Avoid expanding the declared name suffix.
7167 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7169 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7171 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7173 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7174 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7175 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7176 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7177 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7178 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7179 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7180 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7181 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7182 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7183 (DW_END_default, DW_END_big, DW_END_little): New.
7184 (DW_END_lo_user, DW_END_hi_user): Define.
7185 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7186 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7187 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7190 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7192 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7194 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7196 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7198 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7200 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7201 to 'symbol_mem_tag'.
7203 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7206 2006-03-01 Roger Sayle <roger@eyesopen.com>
7208 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7210 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7213 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7214 MACHO_DYNAMIC_NO_PIC_P.
7215 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7217 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7220 * config/darwin-protos.h (darwin_asm_output_anchor):
7222 * config/darwin-sections.def (cstring_section):
7223 Add SECTION_MERGE to the flags.
7224 (literal4_section): Likewise.
7225 (literal8_section): Likewise.
7226 (objc_selector_refs_section): Likewise.
7227 (objc_cls_refs_section): Likewise.
7228 * config/darwin.c (darwin_asm_output_anchor): New
7230 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7232 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7234 Fix PR tree-optimization/26443
7235 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7236 to todo and PROP_tmt_usage to properties_destroyed.
7237 * tree-ssa-ccp.c (pass_ccp): Ditto.
7238 (pass_store_ccp): Ditto.
7239 * tree-ssa-dom.c (pass_dominator): Ditto.
7241 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7243 * tree-ssa-operands.c: Cleanup whitespace.
7244 (get_asm_expr_operands): Move before first invocation.
7245 (get_indirect_ref_operands): Likewise.
7246 (get_tmr_operands): Likewise.
7247 (get_call_expr_operands): Likewise.
7248 (append_def): Likewise.
7249 (append_use): Likewise.
7250 (append_v_may_def): Likewise.
7251 (append_v_must_def): Likewise.
7252 (add_call_clobber_ops): Likewise.
7253 (add_call_read_ops): Likewise.
7254 (add_stmt_operand): Likewise.
7255 (add_virtual_operand): Likewise.
7256 (build_ssa_operands): Likewise.
7258 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7263 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7264 with a call expr to ...
7265 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7267 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7269 * tree-vrp.c (extract_range_from_assert): Remove special
7270 handling for types with super-types.
7272 2006-03-01 Ben Elliston <bje@au.ibm.com>
7274 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7275 and powerpc64-*-linux* configurations.
7276 * config/t-dfprules: New file.
7278 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7279 Compile dfp-bit.c from the source directory using -DWIDTH and
7280 $DFP_CFLAGS to control the compilation of that file, rather than
7281 generating width-specific versions in the build directory.
7282 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7283 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7285 2006-02-28 Zack Weinberg <zackw@panix.com>
7287 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7290 2006-02-28 Eric Christopher <echristo@apple.com>
7292 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7293 Set up IN_LIBGCC definition of TARGET_64BIT.
7294 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7296 2006-02-28 Roger Sayle <roger@eyesopen.com>
7299 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7300 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7301 cases via the construction of "expr != 0".
7303 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7305 * alias.c (alias_invariant, alias_invariant_size): Remove.
7306 (record_base_value): Remove.
7307 (memrefs_conflict_p): Don't look at alias_invariant.
7308 (end_alias_analysis): Don't free it.
7309 * alias.h (record_base_value): Remove prototype.
7311 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7312 Adam Nemet <anemet@caviumnetworks.com>
7314 * rtl.h (truncated_to_mode): Declare it.
7315 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7316 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7317 (RTL_HOOKS_INITIALIZER): Include it.
7318 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7319 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7320 reg_truncated_to_mode.
7321 * rtlanal.c (truncated_to_mode): Define it.
7322 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7324 2006-02-28 Jeff Law <law@redhat.com>
7326 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7327 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7328 the range allowed by TYPE_PRECISION.
7330 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7332 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7334 PR tree-optimization/26419
7335 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7338 2006-02-27 Zack Weinberg <zackw@panix.com>
7340 * doc/md.texi: Fix typo in previous change.
7342 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7346 2006-02-27 Zack Weinberg <zackw@panix.com>
7348 * rtl.def (define_constraint, define_register_constraint)
7349 (define_memory_constraint, define_address_constraint): New MD forms.
7350 * gensupport.c (process_rtx): Put define_constraint etc on the
7352 * genpreds.c (process_define_predicate): Adjust comment. Validate
7353 the name, and call validate_exp to validate the expression.
7354 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7355 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7356 all callers changed.
7357 (validate_exp, needs_variable, struct constraint_data)
7358 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7359 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7360 (const_dbl_constraints, constraint_max_namelen)
7361 (have_register_constraints, have_memory_constraints)
7362 (have_address_constraints, have_address_constraints)
7363 (have_extra_constraints, have_const_int_constraints)
7364 (have_const_dbl_constraints, mangle, add_constraint)
7365 (process_define_constraint, process_define_register_constraint)
7366 (write_enum_constraint_num, write_lookup_constraint)
7367 (write_insn_constraint_len, write_regclass_for_constraint)
7368 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7369 (write_insn_extra_memory_constraint)
7370 (write_insn_extra_address_constraint)
7371 (write_satisfies_constraint_fns): New.
7372 (write_tm_preds_h): If we have new-style constraint definitions,
7373 prototype the functions generated from them, and define the
7374 old constraint interface (still used by generic code) in terms of
7376 (write_insn_preds_c): If we have new-style constraint definitions,
7377 generate all relevant functions from those definitions.
7378 (main): Handle define_constraint etc.
7379 * genoutput.c (struct constraint_data, indep_constraints)
7380 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7381 (mdep_constraint_len): New data structures and functions, defined
7382 #ifdef USE_MD_CONSTRAINTS.
7383 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7384 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7385 use new logic to validate operand constraints against constraint
7387 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7389 * defaults.h: If none of the old-style constraint macros are
7390 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7391 old-style macros; and poison REG_CLASS_FROM_LETTER,
7392 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7394 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7395 * doc/md.texi: Document new constraint-definition mechanism and the
7396 C interface it provides. Remove references to old mechanism
7397 elsewhere in the document.
7398 (Machine Constraints): Use pathnames relative to gcc directory,
7399 i.e. config/ARCH/FILE. Change i386 section to refer to
7400 config/i386/predicates.md; update that section to match docstrings.
7401 * doc/tm.texi: Move all documentation of the old constraint-
7402 definition macros to their own section, clearly mark as obsolete.
7404 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7405 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7407 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7408 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7409 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7411 (splits and peepholes): Use satisfies_constraint_*.
7412 * config/i386/i386.c (memory_address_length)
7413 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7415 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7417 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7418 scalar operation to be put back into the loop.
7420 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7423 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7424 (extract_cie_info): Handle S flag in augmentation string.
7425 (execute_cfa_program): If context->signal_frame, execute also
7426 fs->pc == context->ra instructions.
7427 (uw_frame_state_for): If context->signal_frame, don't subtract one
7428 from context->ra to find FDE.
7429 (uw_update_context_1): Set context->signal_frame to
7431 (_Unwind_GetIPInfo): New function.
7432 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7433 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7435 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7436 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7437 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7438 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7439 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7440 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7441 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7442 x86_64_fallback_frame_state): Set fs->signal_frame.
7443 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7444 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7445 (frob_update_context): Likewise. Workaround missing S flag in
7446 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7447 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7448 Remove the psw_addr + 1 hack.
7450 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7452 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7453 with aggregates here.
7454 (find_func_aliases): Remove code for &<aggregate> from here.
7456 2006-02-26 Roger Sayle <roger@eyesopen.com>
7458 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7459 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7460 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7463 2006-02-26 Roger Sayle <roger@eyesopen.com>
7466 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7468 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7470 * opts.c (decode_options): Do not handle flag_strength_reduce.
7471 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7472 and OPT_fstrength_reduce.
7473 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7474 flag_prefetch_loop_arrays for being nonzero.
7475 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7477 (fprefetch-loop-arrays-rtl): Removed.
7478 (flag_prefetch_loop_arrays): Do not specify the value.
7480 * doc/passes.texi: Update documentation of loop optimizer
7482 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7483 -frerun-loop-opt): Remove.
7485 2006-02-26 Richard Guenther <rguenther@suse.de>
7487 PR tree-optimization/26421
7488 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7489 in function calls that are ADDR_EXPRs as using the whole structure.
7491 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7493 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7494 * tree-pass.h (pass_loop_optimize): Remove.
7495 * passes.c (pass_loop_optimize): Never run it.
7496 * toplev.c (backend_init): Don't call init_loop.
7497 * opts.c (flag_loop_optimize_set): Remove.
7498 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7499 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7500 the old RTL loop optimizer when profiling enabled.
7501 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7502 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7503 pre-headers for the sake of the old RTL loop optimizer.
7504 * Makefile.in: Remove all references to loop.o.
7506 * doc/invoke.texi: Remove all references to -floop-optimize
7507 and -frerun-loop-opt.
7509 2006-02-26 Zack Weinberg <zackw@panix.com>
7511 * doc/md.texi (Machine Constraints): Refer to all files with paths
7512 relative to gcc directory (i.e. config/CPU/file). Add missing
7513 @table @code ... @end table to M32C subsection.
7515 2006-02-26 Roger Sayle <roger@eyesopen.com>
7517 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7519 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7521 2006-02-26 Roger Sayle <roger@eyesopen.com>
7522 James A. Morrison <phython@gcc.gnu.org>
7525 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7526 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7527 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7528 signedness of the shift operation.
7530 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7532 PR tree-optimization/26359
7533 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7535 2006-02-25 Roger Sayle <roger@eyesopen.com>
7537 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7538 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7539 as X == 0, and some symmetry related transformations.
7540 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7542 2006-02-25 Roger Sayle <roger@eyesopen.com>
7545 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7546 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7547 symmetry related transformations. Fold (X^C1) == C2 as
7550 2006-02-25 Juergen Weigert <jw@suse.de>
7551 Richard Guenther <rguenther@suse.de>
7553 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7555 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7557 * combine.c (gen_lowpart_or_truncate): Call
7558 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7560 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7562 * doc/invoke.texi: Move -fopenmp description to "Options for
7564 Remove reference to -lgomp.
7566 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7568 * doc/install.texi: Require GNU tar version 1.14.
7570 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7572 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7573 * doc/invoke.texi (C++ Dialect Options): Document
7574 -fno-use-cxa-get-exception-ptr.
7575 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7576 * configure: Regenerate.
7577 * c.opt (fuse-cxa-get-exception-ptr): New.
7578 * c-opts.c (c_common_handle_option): Handle
7579 OPT_fuse_cxa_get_exception_ptr.
7580 * c-common.c (flag_use_cxa_atexit): Update documentation.
7581 (flag_use_cxa_get_exception_ptr): New.
7582 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7583 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7585 (C_COMMON_OVERRIDE_OPTIONS): New.
7587 2006-02-24 Roger Sayle <roger@eyesopen.com>
7590 * combine.c (try_combine): Explicitly check whether GET_CODE is
7591 a SET or a CLOBBER, instead on checking that it isn't a USE.
7593 2006-02-24 Roger Sayle <roger@eyesopen.com>
7595 * fold-const.c (fold_comparison): New subroutine of fold_binary
7596 containing transformations common to both the equality and
7597 ordering relational operators, factored out of fold_binary.
7598 (fold_binary): Separate out the equality operators (EQ_EXPR
7599 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7600 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7601 transformations common to both.
7602 (fold_div_compare): Fix latent bugs in the previously unreachable
7603 LT_EXPR and GE_EXPR cases.
7605 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7607 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7608 decl libname for clog to __clog on AIX.
7610 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7612 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7615 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7616 output traceback table for thunks. Localise rs6000_stack_info call.
7618 2006-02-23 Roger Sayle <roger@eyesopen.com>
7619 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7621 * gthr-posix.h (__gthrw): Fix typo in comment.
7623 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7625 * doc/cpp.texi (Character sets): Document that we do support
7626 input files to be in any character set.
7628 2006-02-23 Jeff Law <law@redhat.com>
7630 * tree.h (PHI_ARG_NONZERO): Remove.
7631 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7632 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7633 node to the new node.
7635 PR tree-optimization/26425
7636 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7637 min/max, then assume its varying.
7639 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7641 PR rtl-optimization/26316
7642 * rtlanal.c (enum may_trap_p_flags): New.
7643 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7644 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7645 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7646 (may_trap_after_code_motion_p): New function.
7647 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7648 (find_invariant_insn): Use may_trap_after_code_motion_p.
7649 * rtl.h (may_trap_after_code_motion_p): Declare.
7651 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7653 * emit-rtl.c (immed_double_const): Cleanup.
7655 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7657 Fix PR tree-optimization/26376
7658 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7661 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7664 * gimplify.c (omp_add_variable): Guard variable size decl test with
7665 DECL_SIZE (decl) check.
7667 2006-02-23 Richard Guenther <rguenther@suse.de>
7670 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7671 like aggregate types.
7673 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7675 * configure.ac: Add --with{,out}-long-double-128 configure option.
7676 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7677 * configure: Rebuilt.
7678 * config.in: Rebuilt.
7679 * doc/install.texi (Options specification): Document
7680 --with-long-double-128.
7682 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7683 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7684 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7685 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7687 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7689 * config/s390/s390.c (override_options): Handle
7690 TARGET_DEFAULT_LONG_DOUBLE_128.
7692 * config/alpha/alpha.c (override_options): Handle
7693 TARGET_DEFAULT_LONG_DOUBLE_128.
7695 * config/sparc/sparc.c (sparc_override_options): Handle
7696 TARGET_DEFAULT_LONG_DOUBLE_128.
7698 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7700 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7701 (real-install-headers-tar, real-install-headers-cpio)
7702 (real-install-headers-cp): New targets.
7704 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7706 * tree.h (variable_section): Delete.
7707 * varasm.c (variable_section): Delete.
7709 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7711 * install.texi: Add notes on install.texi2html.
7712 (Building in parallel): Do not use footnotes.
7714 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7717 * doc/install.texi (Configuration): Document --disable-libgomp.
7719 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7721 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7723 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7725 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7726 (vec_extractv2df_0_sse): New.
7728 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7730 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7731 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7732 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7733 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7734 to the result of the expression.
7735 (def_cfa_1): Adjust.
7736 (frame_pointer_cfa_offset): Rename to...
7737 (frame_pointer_fb_offset): ... this. Adjust all uses.
7738 (convert_cfa_to_loc_list): Rename to...
7739 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7740 Pass it on to build_cfa_loc.
7741 (compute_frame_pointer_to_cfa_displacement): Rename to...
7742 (compute_frame_pointer_to_fb_displacement): ... this. New
7743 offset parameter. Use it in computation.
7744 (gen_subprogram_die): Compute cfa_fb_offset with the new
7745 macro, and use it to compute the fb loc list and the
7748 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7750 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7751 replaced with register_operand.
7752 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7753 non-DREG is expensive.
7754 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7755 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7758 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7760 * doc/install.texi2html: Use set -e.
7762 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7764 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7765 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7766 * doc/invoke.texi (-fshared-data): Delete.
7767 * common.opt (fshared-data): Delete.
7768 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7769 (assemble_static_space): Remove #if 0 code.
7770 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7771 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7772 * config/cris/cris.h: Remove FIXME.
7774 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7776 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7779 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7782 * combine.c (simplify_shift_const_1): Disable nested shifts
7783 optimization for vector shifts.
7785 2006-02-20 Roger Sayle <roger@eyesopen.com>
7787 PR tree-optimization/26361
7788 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7789 of unsigned integer types.
7791 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7793 * tree-chrec.c (eq_evolutions_p): New.
7794 * tree-chrec.h (eq_evolutions_p): Declared.
7795 * tree-data-ref.c: Fix formatting.
7796 (datadep_stats, dependence_stats): New.
7798 (print_direction_vector): New.
7799 (dump_data_dependence_relation): Use print_direction_vector.
7800 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7801 (compute_subscript_distance): Static.
7802 (initialize_data_dependence_relation): Static. Get the number
7803 of loops surrounding the references from the callers, and initialize
7804 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7805 base_object_differ_p analyzers.
7806 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7807 compute_overlap_steps_for_affine_1_2,
7808 analyze_subscript_affine_affine): Count the classified dependences.
7809 Print a message when a test failed.
7810 (can_use_analyze_subscript_affine_affine): New.
7811 (analyze_siv_subscript): Compute the data dependences on symbolic
7812 scevs that verify can_use_analyze_subscript_affine_affine.
7813 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7814 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7815 Handle symbolic scevs.
7816 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7818 (subscript_dependence_tester): Moved...
7819 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7820 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7821 DDR_SIZE_VECT instead of getting it in parameter.
7822 (subscript_dependence_tester): ... here. Take as a parameter
7823 loop_nest_depth. Call build_classic_dist_vector and
7824 build_classic_dir_vector.
7825 (compute_affine_dependence): Update subscript_dependence_tester
7826 parameters. Update datadep_stats counters. Call
7827 compute_subscript_distance.
7828 (compute_self_dependence): Save the dist and dir vectors. Call
7829 compute_subscript_distance.
7830 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7831 (compute_all_dependences): Reorder parameters as they were before
7832 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7833 compute_subscript_distance. Update the use of
7834 compute_affine_dependence and initialize_data_dependence_relation.
7835 (find_data_references_in_loop): Handle COMPONENT_REF.
7836 (compute_data_dependences_for_loop): Initialize dependence_stats.
7837 Don't call build_classic_dist_vector and build_classic_dir_vector.
7838 Update the parameters of initialize_data_dependence_relation and
7839 compute_all_dependences. Print the statistics from datadep_stats.
7840 (analyze_all_data_dependences): Static. Not used until the pass for
7841 checking the data dependences is contributed.
7842 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7843 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7844 (initialize_data_dependence_relation, compute_affine_dependence,
7845 analyze_all_data_dependences, compute_subscript_distance): Removed.
7846 (print_direction_vector): New.
7847 * lambda.h (gcd): ... here.
7848 (lambda_vector_gcd): Moved here from gcd_vector.
7849 * lambda-code.c (gcd, gcd_vector): Removed.
7850 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7851 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7853 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7855 * ipa-type-escape.c: Tidy some comments and white space.
7856 * tree-ssa-operands.c: Likewise.
7858 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7861 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7862 (dump_decl_name): Do not walk the decl tree chains.
7863 * tree-pass.h (TDF_CHAIN): Remove.
7865 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7867 * Makefile.in (C): Remove
7869 (.PHONY): Remove C and PROTO
7871 2006-02-20 Roger Sayle <roger@eyesopen.com>
7874 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7875 deprecated CHAR_TYPE tree code.
7877 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7879 * configure.ac (target_list): Add install-info, dvi, html.
7880 * configure: Regenerate.
7882 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7883 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7884 treelang/Make-lang.in: Do not use double-colon rules.
7886 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7888 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7889 (TMT_USED_ALONE): New macro.
7890 * tree-pass.h (PROP_tmt_usage): New property.
7891 (TODO_update_tmt_usage): New todo.
7892 * tree-ssa-alias.c (updating_used_alone): New variable.
7893 (recalculate_used_alone): New function.
7894 (compute_may_aliases): Set updating_used_alone, call
7895 recalculate_used_alone.
7896 * tree-sra.c (pass_sra): Note that this pass destroys
7897 PROP_tmt_usage, and add TODO_update_tmt_usage.
7898 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7899 * tree-flow.h (updating_used_alone): Prototype.
7900 (recalculate_used_alone): Ditto.
7901 * passes.c (execute_todo): Add code to set updating_used_alone,
7902 and call recalculate.
7903 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7904 for clobber if used alone, and add assert to verify used_alone
7907 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7909 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7910 for non tls symbols added.
7911 (legitimize_address): Do nothing for PLUS expressions if one of the
7912 addends is a tls symbol reference.
7914 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7918 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7920 * Makefile.in (BOOTSTRAPPING): New.
7921 (quickstrap): New definition if BOOTSTRAPPING=yes.
7923 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7924 * configure.ac: Substitute all_selected_languages with the languages
7925 that were configured. For all the other variables except
7926 lang_specs_files, include all the languages in the tree.
7927 * configure: Regenerate.
7929 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7930 if there is one. Run the commands to run fixincludes in the same
7933 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7934 * doc/install.texi: Document exact conventions for searching target tools.
7935 Document --with-build-time-tools. Document toplevel bootstrap. Document
7936 something more about building an Ada cross-compiler. Don't list GNU Make
7937 requirements which affect all platforms.
7939 2006-02-19 Roger Sayle <roger@eyesopen.com>
7942 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7943 only equivalent if the have both the same mode and precision.
7945 2006-02-20 Ben Elliston <bje@au.ibm.com>
7947 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7949 2006-02-19 Roger Sayle <roger@eyesopen.com>
7950 Steven Bosscher <stevenb.gcc@gmail.com>
7952 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7953 constant pool references to identify stack mode constants.
7954 * rtlanal.c (constant_pool_constant_p): New predicate to check
7955 whether operand is a floating point constant in the pool.
7956 * rtl.h (constant_pool_constant_p): Prototype here.
7957 * loop.c (scan_loop): Avoid hoisting constants from the constant
7958 pool on STACK_REGS targets.
7959 (load_mems): Likewise.
7960 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7961 loads into x87 registers expensive in terms of register pressure.
7963 2006-02-19 Roger Sayle <roger@eyesopen.com>
7965 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7966 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7968 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7970 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7971 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7973 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7975 * doc/invoke.texi: Document -fipa-pta.
7976 * common.opt: Add ipa-pta option.
7977 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7978 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7979 (do_ds_constraint): Ditto.
7980 (get_constraint_for): Only add to referenced_vars if
7981 referenced_vars exists.
7982 (insert_into_field_list): Rewrite to do this unsorted.
7983 (insert_into_field_list_sorted): Rename old insert_into_field_list
7985 (create_function_info_for): Use insert_into_field_list_sorted.
7986 (create_variable_info_for): Rewrite so it uses unsorted version,
7987 since the field list is sorted.
7988 (intra_create_variable_infos): Only add to referenced_vars if
7989 referenced_vars exists.
7990 (ipa_pta_execute): Init heapvars, and delete when done.
7991 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7993 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7995 * doc/install.texi: Add missing `@samp'.
7997 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7999 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8002 2006-02-18 Mark Wielaard <mark@klomp.org>
8004 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8005 who added new 4.1 features, bug fixes and integration support.
8007 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8010 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8013 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8015 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8016 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8017 (copy_insn_1): Likewise. Don't copy each field individually.
8019 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8021 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8022 * rtl.c (rtx_size): Rename variable to...
8023 (rtx_code_size): ...this.
8024 (rtx_size): New function.
8025 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8026 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8028 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8029 * rtl.h (rtx_code_size): New variable.
8030 (rtx_size): Change from a variable to a function.
8031 (RTX_SIZE): Rename to...
8032 (RTX_CODE_SIZE): ...this.
8035 PR tree-optimization/17106
8036 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8037 (Anchored Addresses): New section.
8038 * doc/invoke.texi (-fsection-anchors): Document.
8039 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8040 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8041 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8042 * hooks.c (hook_bool_mode_rtx_false): New function.
8043 * hooks.h (hook_bool_mode_rtx_false): Declare.
8044 * gengtype.c (create_optional_field): New function.
8045 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8046 SYMBOL_REF_IN_BLOCK_P is true.
8047 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8048 (min_anchor_offset, max_anchor_offset): Likewise.
8049 (use_anchors_for_symbol_p): New hook.
8050 * toplev.c (compile_file): Call output_object_blocks.
8051 (target_supports_section_anchors_p): New function.
8052 (process_options): Check that -fsection-anchors is only used on
8053 targets that support it and when -funit-at-a-time is in effect.
8054 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8055 if the decl doesn't have one.
8056 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8057 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8058 of force_const_mem through use_anchored_address.
8059 (expand_expr_constant): New function.
8060 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8061 calling expand_expr for INDIRECT_REF.
8062 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8063 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8064 * expr.h (use_anchored_address): Declare.
8065 * loop-unroll.c: Don't declare rtx vectors here.
8066 * explow.c: Include output.h.
8067 (validize_mem): Call use_anchored_address.
8068 (use_anchored_address): New function.
8069 * common.opt (-fsection-anchors): New switch.
8070 * varasm.c (object_block_htab, anchor_labelno): New variables.
8071 (hash_section, object_block_entry_eq, object_block_entry_hash)
8072 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8073 (use_blocks_for_decl_p, change_symbol_section): New functions.
8074 (get_variable_section): New function, split out from assemble_variable.
8075 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8076 use_blocks_for_decl_p say so. Use change_symbol_section if the
8077 symbol has already been created.
8078 (assemble_variable_contents): New function, split out from...
8079 (assemble_variable): ...here. Don't output any code for
8080 block symbols; just pass them to place_block_symbol.
8081 Use get_variable_section and assemble_variable_contents.
8082 (get_constant_alignment, get_constant_section, get_constant_size): New
8083 functions, split from output_constant_def_contents.
8084 (build_constant_desc): Create a block symbol if use_object_blocks_p
8085 says so. Or into SYMBOL_REF_FLAGS.
8086 (assemble_constant_contents): New function, split from...
8087 (output_constant_def_contents): ...here. Don't output any code
8088 for block symbols; just pass them to place_section_symbol.
8089 Use get_constant_section and get_constant_alignment.
8090 (force_const_mem): Create a block symbol if use_object_blocks_p and
8091 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8092 (output_constant_pool_1): Add an explicit alignment argument.
8093 Don't switch sections here.
8094 (output_constant_pool): Adjust call to output_constant_pool_1.
8095 Switch sections here instead. Don't output anything for block symbols;
8096 just pass them to place_block_symbol.
8097 (init_varasm_once): Initialize object_block_htab.
8098 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8099 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8100 (place_block_symbol, get_section_anchor, output_object_block)
8101 (output_object_block_htab, output_object_blocks): New functions.
8102 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8103 (TARGET_ASM_OUT): Include it.
8104 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8105 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8106 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8107 (TARGET_INITIALIZER): Include them.
8108 * rtl.c (rtl_check_failed_block_symbol): New function.
8109 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8110 (block_symbol, object_block): New structures.
8111 (rtx_def): Add a block_symbol field to the union.
8112 (BLOCK_SYMBOL_CHECK): New macro.
8113 (rtl_check_failed_block_symbol): Declare.
8114 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8115 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8116 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8117 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8118 * output.h (output_section_symbols): Declare.
8119 (object_block): Name structure.
8120 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8121 (default_use_anchors_for_symbol_p): Declare.
8122 * Makefile.in (RTL_BASE_H): Add vec.h.
8123 (explow.o): Depend on output.h.
8124 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8125 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8126 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8127 (rs6000_use_blocks_for_constant_p): New function.
8129 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8131 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8133 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8136 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8139 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8141 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8145 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8148 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8149 instead of DECL_REGISTER.
8151 2006-02-18 Olivier Hainque <hainque@adacore.com>
8154 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8156 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8159 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8160 * opth-gen.awk: Handle Var and InverseMask together.
8161 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8162 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8163 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8164 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8166 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8167 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8168 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8169 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8170 LINUX_DYNAMIC_LINKER): Define.
8171 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8172 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8174 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8175 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8176 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8178 (TARGET_C99_FUNCTIONS): Don't define.
8179 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8180 GLIBC_DYNAMIC_LINKER.
8181 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8182 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8183 GLIBC_DYNAMIC_LINKER64): Define.
8184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8185 LINUX_DYNAMIC_LINKER64.
8186 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8188 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8190 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8192 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8193 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8194 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8195 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8196 and LINUX_DYNAMIC_LINKER32.
8197 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8199 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8201 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8203 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8204 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8205 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8206 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8207 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8208 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8209 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8210 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8211 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8212 LINUX_DYNAMIC_LINKER): Define.
8213 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8214 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8215 GLIBC_DYNAMIC_LINKER64): Define.
8216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8217 LINUX_DYNAMIC_LINKER64.
8218 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8219 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8220 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8221 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8222 LINUX_DYNAMIC_LINKER): Define.
8223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8224 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8225 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8226 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8227 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8228 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8229 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8230 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8231 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8232 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8234 * doc/invoke.texi (-muclibc): Remove caveat about supported
8237 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8239 * doc/cpp.texi (__TIMESTAMP__): Document.
8241 2006-02-17 Roger Sayle <roger@eyesopen.com>
8244 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8245 C is one less than the width of X (and related transformations).
8246 * simplify-rtx.c (simplify_unary_operation_1): Transform
8247 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8248 depending on STORE_FLAG_VALUE, were C is one less then the
8251 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8253 Fix PR tree-optimization/26341
8254 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8255 about NAME_MEMORY_TAG's.
8257 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8260 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8261 with hardware float support, and software float support. Add fcpy
8262 alternative to hardware patterns. Add alternatives to copy between
8263 general and floating-point registers to the 32-bit pattern.
8264 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8265 secondary reload to load a QI or HI mode constant into a floating
8267 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8268 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8270 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8273 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8275 (load_macho_picbase_di): Likewise.
8277 2006-02-16 Jeff Law <law@redhat.com>
8279 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8280 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8281 (ssa_name_nonzero_p): Likewise.
8282 (get_value_range): Return NULL if VRP is not running.
8283 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8284 VRP routines do not discover a range.
8285 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8286 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8287 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8288 (tree_expr_nonnegative_p): Similarly.
8289 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8290 (restore_nonzero_vars_to_original_value): Remove.
8291 (unsafe_associative_fp_binop): Remove.
8292 (tree_ssa_dominator_optimize): Remove initialization and
8293 finalization of nonzero_vars and nonzero_vars_stack.
8294 (dom_opt_initialize_block): No longer push marker on
8296 (dom_opt_finalize_block): No longer call
8297 restore_nonzero_vars_to_original_value.
8298 (record_equivalences_from_phis): No longer look for
8299 nonzero PHI arguments.
8300 (cprop_into_successor_phis): No longer propagate nonzero
8301 property into PHI arguments. Lose unused argument. Caller
8303 (record_equivalences_from_stmt): No longer record nonzero
8304 values for SSA_NAMEs.
8305 (lookup_avail_expr): No longer use nonzero_vars.
8307 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8308 for sizetype when sizetype is unsigned.
8310 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8312 PR rtl-optimization/25603
8313 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8314 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8315 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8316 with new meaning of SETS.
8318 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8323 * config/linux.opt: New file.
8324 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8325 LINUX_DYNAMIC_LINKER): Define.
8326 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8327 * config.gcc (*-*-linux*): Define extra_options.
8328 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8329 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8330 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8331 GLIBC_DYNAMIC_LINKER.
8332 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8333 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8334 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8336 * doc/invoke.texi (GNU/Linux Options): New section.
8338 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8340 * config/sparc/sparc.md (setjmp): Rewrite.
8341 (setjmp_32): Delete.
8342 (setjmp_64): Likewise.
8344 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8346 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8349 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8351 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8354 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8356 PR rtl-optimization/26296
8357 * Makefile.in (loop-invariant.c): Add except.h dependency.
8358 * loop-invariant.c: Include except.h.
8359 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8361 2005-02-16 Paul Brook <paul@codesourcery.com>
8363 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8366 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8368 PR rtl-optimization/25636
8369 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8370 when deciding whether an insn is an initializing insn.
8372 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8374 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8375 (tree_code_size): Ditto.
8376 * tree.h (struct tree_memory_tag): Remove parent_var.
8377 (struct tree_struct_field_tag): New.
8380 (union tree_node): Add sft member.
8381 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8383 (create_sft): Add size and offset argument, set SFT_OFFSET and
8385 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8386 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8387 * tree-flow-inline.h (get_subvar_at): Update for
8388 SFT_OFFSET/SFT_SIZE.
8389 (var_can_have_subvars): Ditto.
8390 (overlap_subvar): Ditto.
8391 * print-tree.c (print_node): Print out interesting things for
8393 * tree-flow.h (struct subvar): Remove offset and size members.
8394 * tree-ssa-operands.c (get_expr_operands): Update for
8395 get_indirect_ref_operands changes.
8396 (get_indirect_ref_operands): Call add_virtual_operand instead of
8397 add_stmt_operand. Only recurse on base var if requested.
8398 (access_can_touch_variable): New function.
8399 (add_stmt_operand): Split virtual operand handling into ...
8400 (add_virtual_operand): Here. Add offset, size, and for_clobber
8401 arguments. Prune alias sets.
8402 (add_call_clobber_ops): Call add_virtual_operand.
8404 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8407 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8409 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8410 than TREE_CODE as index into omp_clause_num_ops array.
8412 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8414 PR rtl-optimization/26184
8415 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8417 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8418 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8419 must_precede, must_follow and tobe_scheduled.
8422 * opts.c (common_handle_option): Free new_option pointer.
8423 * df-core.c (df_analyze): Free postorder pointer.
8425 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8427 * Makefile.in: Fix the examples about the use of stamps
8429 2006-02-15 Michael Matz <matz@suse.de>
8433 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8434 influenced by maximum_field_alignment or DECL_PACKED.
8435 (update_alignment_for_field): Ditto.
8436 (place_field): Ditto.
8437 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8440 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8442 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8443 (debug_flow_info): Pass it.
8444 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8445 * bb-reorder.c (reorder_basic_blocks): Likewise.
8446 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8447 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8448 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8449 * gcse.c (gcse_main, bypass_jumps): Likewise.
8450 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8451 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8452 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8453 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8454 * rtl.h (dump_flow_info): Adjust prototype.
8455 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8456 * var-tracking.c (variable_tracking_main): Likewise.
8457 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8458 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8461 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8463 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8466 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8468 PR tree-optimization/26209
8469 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8470 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8472 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8474 2006-02-14 Roger Sayle <roger@eyesopen.com>
8477 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8478 (X,Y) and the corresponding symmetry related transformations.
8479 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8480 (X,Y) and its symmetry related transformations.
8482 2006-02-14 Roger Sayle <roger@eyesopen.com>
8484 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8487 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8489 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8491 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8494 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8495 support COMDAT group.
8496 * configure: Regenerate.
8498 2006-02-14 Roger Sayle <roger@eyesopen.com>
8503 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8505 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8507 Fix PR tree-optimization/26260
8509 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8511 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8512 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8513 * tree-ssa-structalias.c (create_variable_info_for): Use
8514 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8516 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8518 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8520 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8521 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8522 of the ending condition.
8523 * tree-ssa-loop-manip.c: Include params.h.
8524 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8525 tree_unroll_loop): New functions.
8526 * tree-pass.h (pass_loop_prefetch): Declare.
8527 * loop.c (rest_of_handle_loop_optimize): Test for
8528 -fprefetch-loop-arrays-rtl.
8529 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8530 * timevar.def (TV_TREE_PREFETCH): New timevar.
8531 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8532 pass_loop_prefetch): New.
8533 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8534 (cleanup_tree_cfg_loop): Call scev_reset.
8535 * common.opt (fprefetch-loop-arrays-rtl): Add.
8536 * tree-ssa-loop-prefetch.c: New file.
8537 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8538 (new_temp_expr_table): Initialize expr_vars.
8539 (free_temp_expr_table): Cleanup expr_vars.
8540 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8541 expressions from being merged into one.
8542 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8543 (struct tree_niter_desc): Add control, bound and cmp fields.
8544 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8546 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8547 (tree-cfgcleanup.o): Add SCEV_H dependency.
8548 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8549 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8551 2006-02-14 Richard Guenther <rguenther@suse.de>
8553 PR tree-optimization/26258
8554 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8555 in PHI argument processing.
8557 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8559 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8560 new expression in the requested machine mode.
8562 2006-02-13 Roger Sayle <roger@eyesopen.com>
8564 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8565 directly, instead let do_compare_rtx_and_jump handle this for us.
8566 * expr.c (expand_expr_real_1): Likewise.
8567 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8568 before do_jump_by_parts_greater.
8569 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8570 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8572 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8574 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8576 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8578 PR rtl-optimization/26235
8579 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8580 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8583 2006-02-13 Jeff Law <law@redhat.com>
8585 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8588 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8591 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8592 twice if decl is a builtin. When trying again, call get_callee_fndecl
8593 first to verify it is still a builtin.
8595 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8597 * dwarf2out.c (base_type_die): Don't add AT_name here.
8598 (subrange_type_die): Don't add AT_name here.
8599 (modified_type_die): Rearrange code flow. Do add AT_name here.
8601 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8603 PR rtl-optimization/26247
8604 PR rtl-optimization/26248
8605 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8607 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8609 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8610 * config/fixtfdi.c: Likewise.
8611 * config/fixunstfdi.c: Likewise.
8612 * config/floatditf.c: Likewise.
8614 2006-02-13 Roger Sayle <roger@eyesopen.com>
8617 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8618 into (X,C2) if C1 is a subset of the bits of C2. Transform
8619 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8621 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8623 2006-02-13 Josh Conner <jconner@apple.com>
8626 * varasm.c (function_section): Check for section name before
8627 calling select_section on targets that define
8628 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8629 unlikely_text_section instead of hot_function_section if
8630 first_function_block_is_cold.
8632 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8635 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8637 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8639 PR rtl-optimization/26222
8640 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8641 after tree->rtl expansion.
8642 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8643 before passing it to emit_move_insn.
8645 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8647 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8649 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8650 Clarify documentation.
8651 * c-common.h (warn_write_strings): Remove.
8652 * c-common.c (warn_write_strings): Likewise.
8653 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8656 2006-02-12 Roger Sayle <roger@eyesopen.com>
8659 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8660 (do_jump_parts_zero_rtx): New function renamed from
8661 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8662 (do_jump_parts_equality_rtx): New function split out from
8663 do_jump_parts_equality. Old implementation renamed as above.
8664 Call do_jump_parts_zero_rtx if either operand is zero.
8665 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8666 do all of the heavy lifting.
8667 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8668 calling either do_jump_by_parts_greater_rtx or
8669 do_jump_by_parts_equality_rtx.
8670 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8671 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8672 moved to do_compare_rtx_and_jump, call it directly.
8673 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8674 mode argument. Call do_compare_rtx_and_jump.
8675 (emit_case_nodes): Update calls to do_jump_if_equal.
8677 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8679 PR rtl-optimization/26225
8680 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8682 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8684 PR rtl-optimization/26232
8685 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8687 2006-02-11 Jason Merrill <jason@redhat.com>
8690 * tree-inline.c (declare_return_variable): Just don't use the
8691 modify target if it's a gimple complex reg and the return slot
8694 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8696 * doc/contrib.texi: Update my entry.
8698 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8700 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8702 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8704 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8707 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8709 * doc/invoke.texi (-floop-optimize2): Removed.
8710 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8711 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8712 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8713 * common.opt (floop-optimize2): Removed.
8714 (fmove-loop-invariants): Enabled by default.
8716 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8718 * tree-if-conv.c (combine_blocks): Free the result of
8719 get_loop_exit_edges.
8721 2006-02-10 Jeff Law <law@redhat.com>
8723 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8725 PR tree-optimization/26213
8726 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8727 loop trying to follow SSA_NAME_VALUE chains.
8729 2006-02-10 Richard Guenther <rguenther@suse.de>
8731 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8732 deal with structures that end in implicitly variable sized arrays.
8734 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8736 PR rtl-optimization/24762
8737 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8740 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8742 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8743 (struct ivopts_data): Add regs_used field.
8744 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8745 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8746 instead of loop_data->regs_used;
8747 (free_loop_data): Do not free aux fields for loops.
8748 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8749 and tree_ssa_iv_optimize_finalize.
8751 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8753 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8755 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8758 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8759 computing the effective result type.
8761 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8764 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8765 (tree_overlaps_hard_reg_set): Declare.
8766 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8767 type and signature to match function type expected by walk_tree.
8768 (tree_overlaps_hard_reg_set): New function.
8769 (decl_conflicts_with_clobbers_p): Rename to:
8770 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8771 Use tree_overlaps_hard_reg_set. Changed caller.
8772 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8773 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8774 * cris.c (cris_md_asm_clobbers): Likewise.
8776 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8778 * reload1.c (emit_input_reload_insns): Delete code that tries to
8779 inherit using find_equiv_reg.
8781 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8783 * c-common.h (flag_const_strings): Don't declare.
8784 * c-common.c (flag_const_strings): Remove.
8785 * c.opt (fconst_strings): Remove.
8786 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8787 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8788 (c_common_init_options): Don't set flag_const_strings.
8789 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8791 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8793 * arm.md (tlobits_cbranch): New pattern.
8794 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8795 testing a single bit.
8797 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8800 * tree-ssa-pre.c (create_component_ref_by_pieces):
8801 Handle RETURN_DECL like VAR_DECL.
8803 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8806 * fold-const.c (fold_indirect_ref_1): Fold
8807 "*(foo *)&complexfoo" to "__real__ complexfoo"
8808 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8810 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8812 * tree-flow-inline.h (var_can_have_subvars):
8813 Volatile variables should not have subvariables.
8815 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8818 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8819 multiplying unsigned values.
8822 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8824 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8826 2006-02-08 Jason Merrill <jason@redhat.com>
8829 * tree.def: Elaborate on difference from MODIFY_EXPR.
8830 * doc/c-tree.texi (INIT_EXPR): Likewise.
8831 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8832 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8833 (gimplify_target_expr): Likewise.
8834 (gimplify_cond_expr): Remove target handling.
8835 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8836 (gimplify_expr): Clobber it here.
8837 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8838 Do return slot optimization if we have an INIT_EXPR.
8841 * tree-inline.c (declare_return_variable): Also clear
8842 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8845 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8848 * gimplify.c (gimplify_one_sizepos): Fix typo.
8850 2006-02-08 Jeff Law <law@redhat.com>
8852 PR tree-optimization/21417
8853 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8854 across a backedge if the control statement at the end of the
8855 block is data dependent on other statements in the same block.
8856 (record_temporary_equivalences_from_stmts): Remove over-conservative
8857 test for threading across backedges.
8859 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8860 control statement, handle all three special cases in the same
8861 manner as they all have the same desired solution. No longer
8862 special case edge flag updating when the post dominator is
8865 2006-02-08 Roger Sayle <roger@eyesopen.com>
8867 * tree.def (CHAR_TYPE): Remove.
8868 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8869 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8870 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8871 (gen_string_type_die): Delete unreachable function.
8873 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8874 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8875 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8876 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8877 * builtins.c (type_to_class): Likewise.
8878 * fold-const.c (fold_convert, build_range_check,
8879 merge_ranges): Likewise.
8880 * expr.c (count_type_elements): Likewise.
8881 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8882 * stor-layout.c (layout_type): Likewise.
8883 * ipa-type-escape.c (type_to_consider): Likewise.
8884 * gimplify.c (omp_firstprivatize_type_sizes,
8885 gimplify_type_sizes): Likewise.
8886 * explow.c (promote_mode): Likewise.
8887 * tree-sra.c (is_sra_scalar_type): Likewise.
8888 * varasm.c (output_constant): Likewise.
8889 * tree-inline.c (remap_type_1): Likewise.
8890 * convert.c (convert_to_pointer, convert_to_real,
8891 convert_to_integer, convert_to_complex): Likewise.
8893 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8895 * df-scan.c (df_def_record_1): A set destination may
8896 be a parallel regardless of mode.
8898 2006-02-08 Roger Sayle <roger@eyesopen.com>
8901 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8902 * config/mips/_tilib.c: Remove.
8903 * config/fixtfdi.c: New libgcc source file.
8904 * config/fixunstfdi.c: New source file.
8905 * config/floatditf.c: New source file.
8906 * config/floatunditf.c: New souce file.
8907 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8908 files above instead of config/mips/_tilib.c.
8909 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8911 2006-02-08 Jeff Law <law@redhat.com>
8913 PR tree-optimization/26169
8914 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8917 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8919 * df.h (DF_REG_SIZE): Return the length of the initialized
8922 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8924 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8925 __muldf3): Return a correctly signed zero.
8927 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8929 * passes.c (register_one_dump_file): Accept the current properties
8930 instead of pass number. Adjust call to dump_register. Remove
8932 (register_dump_files): Now a wrapper around...
8933 (register_dump_files_1): ... this one. Do not modify the pass
8935 (next_pass_1): Cosmetic fix.
8936 (execute_todo): Keep second parameter only. Use curr_properties
8937 instead of fetching it from the pass structure. Check and set
8939 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8940 instead of fetching it from the pass structure. Fix calls to
8941 execute_todo. Update curr_properties and initialize .vcg RTL dump
8942 after running the pass. Reset last_verified.
8943 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8945 (FIRST_AUTO_NUMBERED_DUMP): New.
8946 (dump_register): Remove "num" parameter, assign it within the
8948 (get_dump_file_name): Modify template for dumps.
8949 * tree-dump.h (dump_register): Adjust prototype.
8950 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8951 (PROP_trees): Add PROP_gimple_lomp.
8952 (TODO_set_props): New.
8953 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8954 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8955 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8957 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8959 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8960 (sparc64-*-linux*): Likewise.
8961 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8962 * config/sparc/t-linux: New file.
8963 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8964 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8965 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8966 -m32 -mlong-double-128.
8968 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8969 * config/alpha/t-linux: New file.
8970 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8972 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8973 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8974 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8975 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8976 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8977 (CPP_ARCH32_SPEC): Remove.
8979 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8981 PR tree-optimization/26145
8982 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8985 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8988 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8989 >= 240000 when generating code for SOM runtime.
8990 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8991 to $$dyncall when generating code for SOM runtime..
8993 2006-02-07 Dirk Mueller <dmueller@suse.com>
8996 * doc/invoke.texi (-Wsequence-point): Update documentation
8997 that -Wsequence-point is implemented for C++ as well.
8999 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9001 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9002 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9003 (LIB_SPEC): Likewise.
9004 * doc/invoke.texi (SPARC options): Document -pthread.
9006 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9008 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9011 2006-02-07 Roger Sayle <roger@eyesopen.com>
9013 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9014 Correct comment describing BOOLEAN_TYPE.
9016 2006-02-07 Dirk Mueller <dmueller@suse.com>
9018 * c.opt: C++ frontend supports -Wdiv-by-zero.
9019 * c-opts.c (c_common_handle_option): Remove dead case.
9021 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9023 * configure.ac (TLS assembler check): Do not enable TLS by
9024 default on SPARC/Solaris before version 10.
9025 * configure: Regenerate.
9027 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9029 * doc/invoke.texi (xl-compat): Document conversion and support
9032 2006-02-07 Jeff Law <law@redhat.com>
9034 * tree-vrp.c (find_conditional_asserts): Update comments.
9035 (simplify_stmt_for_jump_threading): New.
9036 (identify_jump_threads, finalize_jump_threads): New.
9037 (vrp_finalize): Call identify_jump_threads.
9038 (execute_vrp): Call finalize_jump_threads.
9039 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9040 (vrp_element, vrp_data, vrp_element_p): Remove.
9041 (vrp_hash_elt, vrp_variables_stack): Remove.
9042 (vrp_hash, vrp_eq, record_range): Remove.
9043 (simplify_cond_and_lookup_avail_expr): Remove.
9044 (extract_range_from_cond): Remove.
9045 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9046 (simplify_stmt_for_jump_threading): New.
9047 (dom_thread_across_edge): New wrapper.
9048 (tree_ssa_dominator_optimize): No longer initialize or
9049 finalize any of the VRP datastructures. Remove iteration
9050 step and simplify as a result of removal of iteration step.
9051 (pass_dominator): Perform a cfg cleanup after DOM.
9052 (dom_opt_finalize_block): Use the new common routines
9053 for threading jumps. Simplify stack management slightly.
9054 No longer need to unwind VRP state.
9055 (record_equivalences_from_incoming_edge): No longer record
9057 (eliminate_redundant_computations): No longer call
9058 simplify_cond_and_lookup_avail_expr.
9059 * tree-flow.h (potentially_threadable_block): Prototype.
9060 (thread_across_edge): Likewise.
9061 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9062 (tree-ssa-threadedge.o): Add dependencies.
9063 * tree-ssa-threadedge.c: New file.
9064 * passes.c (init_optimization_passes): Merge PHIs before
9065 calling VRP. Run VRP again late in the SSA optimization pipeline.
9067 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9069 * df-core.c (df_set_blocks): Do not dereference function pointers.
9070 (df_finish1): Likewise.
9071 (df_hybrid_search_forward): Likewise.
9072 (df_hybrid_search_backward): Likewise.
9073 (df_iterative_dataflow): Likewise.
9074 (df_analyze_problem): Likewise.
9075 (df_compact_blocks): Likewise.
9076 (df_dump): Likewise.
9077 * df-scan.c (df_rescan_blocks): Likewise.
9078 (df_record_entry_block_defs): Likewise.
9080 * genconditions.c (write_conditions): Guard the definition of
9081 'insn_conditions' with the check on GCC version.
9082 (write_writer): Guard the traversal 'insn_conditions' with
9083 the check on GCC version.
9085 2006-02-07 Richard Guenther <rguenther@suse.de>
9089 2006-01-30 Richard Guenther <rguenther@suse.de>
9091 * gimplify.c (gimplify_target_expr): Handle easy cases
9092 without creating a temporary.
9094 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9096 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9097 use of float in probability computations. Use edge probabilities
9098 in place of statically computed probabilities.
9099 (min_spec_prob): New static variable.
9100 (schedule_insns): Initialize it.
9101 (GET_SRC_PROB): Removed.
9102 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9104 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9107 * config/ia64/unwind-ia64.c: Revert last change.
9108 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9109 (INCOMING_FRAME_SP_OFFSET): Define.
9111 2006-02-06 Roger Sayle <roger@eyesopen.com>
9113 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9115 2006-02-07 Ben Elliston <bje@au.ibm.com>
9117 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9118 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9119 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9120 (ix86_return_in_memory): Handle TDmode.
9121 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9122 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9124 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9126 * reorg.c (dbr_schedule): Use dump_file instead of file.
9128 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9131 * config/ia64/predicates.md (extr_len_operand): New predicate.
9132 * config/ia64/ia64.md (extv): Tighten constraints.
9134 (*tbit_and_2): Ditto.
9135 (*tbit_and_3): Ditto.
9136 (*tbit_or_2): Ditto.
9137 (*tbit_or_3): Ditto.
9141 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9144 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9146 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9148 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9149 loop_optimizer_init and loop_optimizer_finalize
9150 * tree-ssa-sink.c (execute_sink_code): Ditto.
9151 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9152 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9153 tree_ssa_loop_done): Ditto.
9154 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9155 * sched-ebb.c: Include output.h.
9156 (schedule_ebbs): Do not use dump argument.
9157 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9158 * loop.c (loop_dump_stream): Removed.
9159 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9161 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9162 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9163 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9164 loop_iterations, strength_reduce, record_biv, record_giv,
9165 final_giv_value, check_final_value, check_ext_dependent_givs,
9166 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9167 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9168 dump_file instead of loop_dump_stream.
9169 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9171 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9173 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9174 * haifa-sched.c: Include output.h
9175 (schedule_insns, sched_init): Do not use dump argument.
9176 * mode-switching.c (optimize_mode_switching): Ditto.
9177 * modulo-sched.c (stats_file): Removed.
9178 (print_node_sched_params): Do not call argument dump_file.
9179 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9180 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9182 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9184 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9185 rtl_loop_init, rtl_loop_done): Ditto.
9186 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9187 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9189 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9190 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9191 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9192 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9193 * emit-rtl.c (renumber_insns): Ditto.
9194 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9195 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9196 * regclass.c (regclass): Ditto.
9197 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9198 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9199 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9200 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9202 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9203 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9205 * gcse.c (gcse_file, debug_stderr): Removed.
9206 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9207 rest_of_handle_gcse): Do not use dump argument.
9208 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9209 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9210 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9211 compute_code_hoist_vbeinout, compute_code_hoist_data,
9212 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9213 compute_store_table, build_store_vectors, insert_insn_start_bb,
9214 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9215 store_motion): Use dump_file instead of gcse_file.
9216 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9217 * profile.c (profile_dump_file): Removed.
9218 (branch_prob): Use dump_file instead of profile_dump_file.
9219 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9221 * tree-ssa-copy.c (dump_copy_of): Ditto.
9222 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9223 dump file to life_analysis.
9224 * bt-load.c (branch_target_load_optimize): Ditto.
9225 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9227 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9228 regclass, dbr_schedule): Declaration changed.
9229 * sched-int.h (sched_init): Declaration changed.
9230 * tree-profile.c (tree_profile_dump_file): Removed.
9231 (tree_profile_hooks): Removed profile_dump_file hook.
9232 * rtl-profile (rtl_profile_dump_file): Removed.
9233 (rtl_profile_hooks): emoved profile_dump_file hook.
9234 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9236 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9237 * tree-cfg.c (build_tree_cfg): Ditto.
9238 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9239 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9240 Declaration changed.
9241 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9242 life_analysis and schedule_insns.
9243 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9245 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9247 * config/mips/mips.c (mips_reorg): Ditto.
9248 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9251 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9253 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9254 (s390_mangle_fundamental_type): New.
9255 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9258 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9259 (alpha_mangle_fundamental_type): New.
9260 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9263 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9265 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9267 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9268 (sparc_mangle_fundamental_type): New.
9270 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9272 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9273 (s390x-*-linux*): Likewise.
9274 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9275 * config/s390/t-linux: New file.
9277 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9279 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9280 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9282 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9284 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9285 (ANTIC_SAFE_LOADS): New macro.
9286 (find_or_generate_expression): Add prototype.
9287 (set_contains_value): Allow null set for sake of not always having
9288 to allocate ANTIC_SAFE_LOADS.
9289 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9290 Allow COMPONENT_REF too.
9291 (valid_in_set): Allow COMPONENT_REF.
9292 Check ANTIC_SAFE_LOADS too.
9293 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9294 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9296 (can_PRE_operation): Add COMPONENT_REF.
9297 (create_component_ref_by_pieces): New function.
9298 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9299 (insert_aux): Move AGGREGATE_TYPE_P check here.
9300 (compute_avail): Set bb local stmt uids.
9301 (pass_pre): Use TODO_update_ssa_only_virtuals.
9303 2006-02-06 Ben Elliston <bje@au.ibm.com>
9305 * configure.ac: Unconditionally disable decimal float by default.
9306 * configure: Regenerate.
9308 2006-02-06 Ben Elliston <bje@au.ibm.com>
9310 * read-rtl.c (read_name): Terminate reading on EOF.
9312 2006-02-06 Ben Elliston <bje@au.ibm.com>
9314 * dfp.c (decimal_real_arithmetic): Change second argument type
9315 from int to enum tree_code. Do not always return true, but now
9316 return result of any call to decimal_do helper functions.
9317 * dfp.h (decimal_real_arithmetic): Update prototype.
9319 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9321 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9323 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9326 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9329 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9331 * tree-vrp.c (cfg_loops): Removed.
9332 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9333 Use current_loops instead of cfg_loops. Pass flags to
9334 loop_optimizer_init.
9335 * cfgloopmanip.c (fix_loop_structure): Update only available
9337 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9338 loop_optimizer_init.
9339 * modulo-sched.c (build_loops_structure): Removed.
9340 (sms_schedule): Use loop_optimizer_init.
9341 * loop-init.c (loop_optimizer_init): Use flags to determine
9342 which properties of loops to prepare.
9343 (rtl_loop_init): Pass flags to loop_optimizer_init.
9344 * tree-ssa-sink.c (execute_sink_code): Ditto.
9345 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9346 * tree-ssa-pre.c (init_pre): Ditto.
9347 * cfgloop.h (LOOPS_NORMAL): New.
9348 (loop_optimizer_init): Declaration changed.
9350 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9352 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9353 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9355 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9357 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9359 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9360 * pa/t-pa64: Delete quadlib.c rule.
9361 * pa/x-ada: Revert last change.
9362 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9364 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9366 PR rtl-optimization/26087
9367 * rtlanal.c (canonicalize_condition): Do not cross basic block
9370 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9373 * config/ia64/ia64.c: Include debug.h.
9374 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9375 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9376 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9377 (process_epilogue, process_set, process_for_unwind_directive):
9378 Output unwind info only if requested. Add CFA info if requested.
9379 Add new arguments as needed. Adjust callers.
9380 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9382 (DWARF2_FRAME_INFO): Define to zero.
9383 * config/ia64/unwind-ia64.c: Remove code that compensated for
9384 the CFA offset error fixed above.
9385 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9386 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9387 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9388 -funwind-tables and -fexceptions to enable frame info.
9389 (dwarf2out_frame_init): Define initial CFA even if
9390 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9391 DWARF2_UNWIND_INFO is nonzero, not just defined.
9392 (dwarf2out_frame_finish): Output non-EH call frame info only
9393 if DWARF2_FRAME_INFO is nonzero.
9394 (convert_cfa_to_loc_list,
9395 compute_frame_pointer_to_cfa_displacement): Define even if
9396 unwind info is not supported.
9397 (gen_subprogram_die): Use the above unconditionally. Remove
9398 legacy alternate code.
9399 * toplev.c (compile_file): Compile in call to
9400 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9401 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9403 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9404 Jakub Jelinek <jakub@redhat.com>
9406 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9407 IBM extended float format long double as "g" on powerpc*-linux.
9409 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9412 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9413 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9415 2006-02-03 Jason Merrill <jason@redhat.com>
9418 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9421 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9422 on the return slot if it's an NRV.
9424 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9426 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9427 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9428 rewrite_use): Do not handle USE_OUTER.
9429 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9430 add_iv_outer_candidates, may_replace_final_value,
9431 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9432 (find_interesting_uses_op): Functionality of
9433 find_interesting_uses_outer_or_nonlin moved here.
9434 (find_interesting_uses_outside): Use find_interesting_uses_op.
9436 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9439 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9441 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9442 Ulrich Weigand <uweigand@de.ibm.com>
9445 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9446 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9447 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9448 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9450 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9451 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9452 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9453 Define secondary reloads for TFmode moves.
9454 (constant_modes): Add TFmode.
9455 (NR_C_MODES): Set to 8.
9456 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9458 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9459 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9460 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9461 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9462 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9463 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9464 (FPR mode macro): Add TFmode.
9465 (DSF mode macro): New.
9466 (<de>, <dee> mode attributes): Removed.
9467 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9468 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9469 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9470 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9471 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9472 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9473 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9474 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9475 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9476 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9477 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9478 "*negabs<mode>2", "sqrt<mode>2"):
9479 Changed <de> to <xde>. R constraint replaced by <Rf>.
9480 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9482 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9483 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9484 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9486 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9487 "extenddftf2", "extendsftf2"): New expanders.
9488 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9489 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9490 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9491 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9493 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9494 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9495 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9496 __floatditf): Add a GCC_4.1.0 symbol version tag.
9497 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9500 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9503 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9504 Use targetm.binds_local_p instead of TREE_PUBLIC.
9506 2006-02-02 Roger Sayle <roger@eyesopen.com>
9508 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9509 on INTEGER_TYPEs to indicate that it denotes a character type.
9510 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9511 signed_char_type_node, unsigned_char_type_node and char_type_node.
9512 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9513 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9514 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9516 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9517 Daniel Berlin <dberlin@dberlin.org>
9519 * tree-tailcall.c (arg_needs_copy_p): New function.
9520 (eliminate_tail_call): Use arg_needs_copy_p.
9521 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9522 (add_virtual_phis): New function.
9524 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9526 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9527 #ignore instead of #scratch for %g7 .register directive.
9529 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9531 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9534 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9536 * flow.c (calculate_global_regs_live): Assert that there aren't any
9539 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9541 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9543 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9544 bsi_after_labels iterator.
9545 * tree-if-conv.c (find_phi_replacement_condition,
9546 replace_phi_with_cond_modify_expr): Likewise.
9547 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9548 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9550 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9552 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9554 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9557 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9558 array after growing it.
9560 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9563 * fold-const.c (fold_checksum_tree): Change type of buf.
9565 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9567 * reload.c (push_secondary_reload): Initialize t_icode.
9569 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9571 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9572 -msoft-float -mlong-double-128 only issue a warning, but don't
9573 swich to DFmode long double.
9575 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9577 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9578 has a constant equivalent, iterate over equivalents for arg0,
9579 calling simplify_relational_operation and if there's a result
9580 cheaper than X, apply fold_rtx and return the result.
9582 2006-02-01 Jan Hubicka <jh@suse.cz>
9584 * opts.c (no_unit_at_a_time_default): New global variable.
9585 (decode_options): Use it.
9586 * opts.h (no_unit_at_a_time_default): Declare.
9588 2006-02-01 Paul Brook <paul@codesourcery.com>
9590 * function.c (assign_parm_setup_reg): Use function argument promotion
9592 * expr.c (expand_expr_real_1): Use function argument promotion rules
9595 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9597 * gcc.c (process_command): Change j to 'unsigned int'.
9599 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9602 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9603 Use the corrected index for the character
9604 out of the string constant.
9606 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9608 * mode-switching.c (optimize_mode_switching): Fix size
9609 allocated for bb_info[n_entities].
9611 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9613 * gcc.c (main): Correct type that is allocated for
9614 explicit_link_files.
9616 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9618 * config/s390/s390.c (init_alignment_context): Set
9619 ALIAS_SET_MEMORY_BARRIER on the MEM.
9620 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9622 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9625 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9627 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9630 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9632 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9633 * regrename.c: Ditto.
9634 * tree-ssa-loop-im.c: Ditto.
9635 * tree-dump.c: Ditto.
9636 * tree-complex.c: Ditto.
9637 * genrecog.c: Ditto.
9638 * tree-ssa-threadupdate.c: Ditto.
9640 * java/class.c: Ditto.
9641 * java/jcf-parse.c: Ditto.
9642 * java/resource.c: Ditto.
9643 * java/except.c: Ditto.
9644 * java/jvspec.c: Ditto.
9645 * java/jcf-write.c: Ditto.
9646 * java/jcf-path.c: Ditto.
9647 * java/gjavah.c: Ditto.
9648 * java/zextract.c: Ditto.
9649 * java/jcf-io.c: Ditto.
9650 * java/jcf.h: Ditto.
9651 * java/buffer.c: Ditto.
9652 * java/lang.c: Ditto.
9653 * java/parse-scan.y: Ditto.
9654 * java/lex.c: Ditto.
9655 * java/lex.h: Ditto.
9656 * cfgloopmanip.c: Ditto.
9657 * postreload-gcse.c: Ditto.
9658 * tree-ssa-loop-manip.c: Ditto.
9659 * postreload.c: Ditto.
9660 * tree-ssa-loop-ch.c: Ditto.
9664 * diagnostic.c: Ditto.
9666 * genoutput.c: Ditto.
9668 * cfghooks.c: Ditto.
9669 * cfgloopanal.c: Ditto.
9670 * objc/objc-act.c: Ditto.
9672 * genextract.c: Ditto.
9673 * genautomata.c: Ditto.
9674 * pretty-print.c: Ditto.
9676 * cgraphunit.c: Ditto.
9679 * haifa-sched.c: Ditto.
9680 * dominance.c: Ditto.
9682 * tree-ssa-loop-ivopts.c: Ditto.
9684 * mode-switching.c: Ditto.
9685 * modulo-sched.c: Ditto.
9687 * ipa-pure-const.c: Ditto.
9689 * fix-header.c: Ditto.
9691 * tree-stdarg.c: Ditto.
9692 * ipa-utils.c: Ditto.
9693 * loop-init.c: Ditto.
9694 * ipa-inline.c: Ditto.
9697 * alloc-pool.c: Ditto.
9698 * dwarf2out.c: Ditto.
9700 * genattrtab.c: Ditto.
9701 * tree-ssa-loop-ivcanon.c: Ditto.
9705 * fortran/gfortranspec.c: Ditto.
9707 * local-alloc.c: Ditto.
9708 * langhooks.c: Ditto.
9709 * function.c: Ditto.
9710 * tree-vectorizer.c: Ditto.
9712 * ipa-type-escape.c: Ditto.
9714 * tree-if-conv.c: Ditto.
9717 * tree-data-ref.c: Ditto.
9718 * loop-unroll.c: Ditto.
9719 * treelang/treetree.c: Ditto.
9722 * ggc-common.c: Ditto.
9724 * coverage.c: Ditto.
9726 * tree-cfgcleanup.c: Ditto.
9727 * tree-ssa-pre.c: Ditto.
9728 * cfgcleanup.c: Ditto.
9729 * loop-invariant.c: Ditto.
9731 * ipa-prop.c: Ditto.
9732 * print-tree.c: Ditto.
9733 * conflict.c: Ditto.
9734 * ggc-page.c: Ditto.
9735 * sched-deps.c: Ditto.
9736 * regclass.c: Ditto.
9737 * tree-object-size.c: Ditto.
9739 * bb-reorder.c: Ditto.
9740 * resource.c: Ditto.
9741 * var-tracking.c: Ditto.
9743 * df-problems.c: Ditto.
9744 * reg-stack.c: Ditto.
9747 * sched-rgn.c: Ditto.
9748 * tree-ssa-structalias.c: Ditto.
9749 * tree-ssa-reassoc.c: Ditto.
9750 * config/darwin-c.c: Ditto.
9751 * config/darwin.c: Ditto.
9752 * config/arm/arm.c: Ditto.
9754 * collect2.c: Ditto.
9757 2006-01-31 Nicolas Pitre <nico@cam.org>
9759 * arm.md (smaxsi3): Make aware of smax_m1.
9762 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9764 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9766 2006-01-31 Richard Guenther <rguenther@suse.de>
9768 * doc/invoke.texi (-msselibm): Document.
9769 * target.h (expand_library_builtin): New target hook.
9770 * builtins.c (expand_builtin): Use expand_library_builtin.
9771 (default_expand_library_builtin): New function.
9772 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9773 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9774 (link_gcc_math_spec): Declare.
9775 (static_specs): Add link_gcc_math_spec.
9776 * expr.h (default_expand_library_builtin): Declare.
9777 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9778 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9779 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9780 * config/i386/i386.opt (msselibm): New target option.
9781 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9782 (ix86_init_sse_abi_builtins): New function.
9783 (ix86_expand_library_builtin): Likewise.
9784 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9785 (override_options): Handle error conditions wrt -msselibm.
9786 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9787 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9788 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9791 2006-01-31 Richard Guenther <rguenther@suse.de>
9792 Paolo Bonzini <bonzini@gnu.org>
9794 * doc/install.texi (--disable-libgcc-math): Document.
9796 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9798 * expr.h (expand_normal): new inline function.
9799 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9801 * dwarf2out.c: use it.
9806 * config/sparc/sparc.c: use it.
9807 * config/i386/i386.c: use it.
9808 * config/rs6000/rs6000.c: use it.
9809 * config/arm/arm.c: use it.
9810 * config/mips/mips.c: use it.
9811 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9813 2006-01-30 Roger Sayle <roger@eyesopen.com>
9815 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9816 argv to the appropriate type.
9818 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9820 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9823 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9826 * config/s390/s390.c (struct machine_function): New flag
9827 decomposed_literal_pool_addresses_ok_p.
9828 (s390_reorg): Set it before final stage of literal pool transforms.
9829 (s390_decompose_address): Only accept displacements of the form
9830 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9832 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9834 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9835 the comparison routine return.
9837 2006-01-30 Michael Matz <matz@suse.de>
9839 * global.c (find_reg): Only evict for global regs.
9840 Take n_refs into account and dump more info.
9842 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9845 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9846 (pragma_trap, pragma_nosave_low_regs): Likewise.
9847 (current_function_anonymous_args): Likewise.
9848 (sh_deferred_function_attributes): New variable.
9849 (sh_deferred_function_attributes_tail): Likewise.
9850 (print_operand): For '@', look up trap_exit attribute.
9851 (calc_live_regs): Look up trapa_handler attribute. For trapa
9852 handlers, save/restore fpscr, but don't do any other
9853 interrupt-specific saves.
9854 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9855 Fix check for partially saved registers to check for SHmedia.
9856 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9857 (sh_output_function_epilogue): Don't clear any of the removed
9859 (sh_insert_attributes): Don't check pragma_interrupt.
9860 Insert deferred attributes. Check that interrupt attribute is
9861 present for other attributes that require its presence.
9862 (sh_attribute_table): Add new attributes trapa_handler and
9864 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9865 Don't check for pragma_interrupt. Don't store argument.
9866 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9867 (sh_deferred_function_attributes): Declare.
9868 (sh_deferred_function_attributes_tail): Likewise.
9869 * sh.md (sp_switch_1): Add operand. Change generator caller.
9870 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9871 (*return_i): Don't use when trap_exit attribute is in effect.
9872 (*return_trapa): New insn pattern.
9874 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9875 setting c_target_objs and cxx_target_objs.
9876 * t-sh: Add rule for sh-c.o.
9878 2006-01-30 Richard Guenther <rguenther@suse.de>
9881 * gimplify.c (gimplify_target_expr): Handle easy cases
9882 without creating a temporary.
9884 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9886 * vec.h (safe_grow): Remove duplicated line.
9888 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9891 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9892 (expand_omp): ... here.
9893 (expand_omp_parallel): Only remove barriers for combined
9894 parallel+workshare constructs.
9896 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9900 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9901 * tree.c (build_qualified_type): Chain the new type to the original
9902 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9903 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9904 (build_pointer_type_for_mode): Only return unqualified types.
9905 (build_reference_type_for_mode): Likewise.
9907 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9909 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9910 * Makefile.in (CXX_COMPAT_WARN): Define.
9911 * configure: Regenerate.
9913 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9916 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9919 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9921 * toplev.c: Fix thinko.
9923 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9924 Marcin Dalecki <martin@dalecki.de>
9926 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9927 (push_srcloc): Use XNEW.
9928 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9930 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9932 * df-core.c (df_set_blocks): Deleted all variable.
9934 2006-01-28 Ian Lance Taylor <ian@airs.com>
9936 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9937 cgraph_output_pending_asms.
9939 2006-01-28 Zack Weinberg <zackw@panix.com>
9941 * c.opt: Add -W(no-)overlength-strings.
9942 * doc/invoke.texi: Document it.
9943 * c-opts.c (c_common_handle_option): -pedantic implies
9944 -Woverlength-strings, if not explicitly disabled already.
9945 (c_common_post_options): -Woverlength-strings defaults to off, and
9946 is always off for C++.
9947 * c-common.c (fix_string_type): Issue warning about strings longer
9948 than is portable only if warn_overlength_strings. Rearrange code
9949 a little for clarity.
9950 * configure.in: Check for -Wno-overlength-strings as well before
9951 enabling -pedantic in stage 1.
9952 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9953 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9955 * genconditions.c (write_header, write_one_condition)
9956 (write_conditions, write_writer): Consolidate very long strings
9957 that were broken up to fit in C89 portable limit. Don't use
9958 printf when fputs will do.
9960 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9962 * combine.c (simplify_comparison <AND>): Check
9963 TRULY_NOOP_TRUNCATION before start using a subreg.
9965 * config/mips/mips.md (*branch_zero<mode>,
9966 *branch_zero<mode>_inverted, *branch_equality<mode>,
9967 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9968 Remove mode check from comparisons.
9970 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9972 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9974 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9976 * expmed.c (const_mult_add_overflow_p): Remove.
9977 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9979 * recog.c (validate_replace_rtx_subexp): Remove.
9980 * recog.h: Remove the prototype for
9981 validate_replace_rtx_subexp.
9983 * integrate.h: Remove the prototype for
9984 copy_decl_for_inlining.
9985 * rtl.h: Remove the prototype for mark_constant_function.
9986 * tree-vectorizer.h: Remove the prototype for
9987 vect_strip_conversion.
9989 * modulo-sched.c (create_partial_schedule,
9990 free_partial_schedule, reset_partial_schedule): Make them
9993 * hooks.c (hook_bool_rtx_int_false): Remove.
9994 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9996 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9998 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9999 and -mlong-double-128 are incompatible.
10000 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10001 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10002 (TARGET_LIBGCC2_CFLAGS): Define.
10003 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10004 (TARGET_LIBGCC2_CFLAGS): Same.
10005 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10007 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10010 * c-typeck.c (build_binary_op): Perform implicit casts of
10011 operands before shortening them.
10013 * cfgloopmanip.c (split_loop_bb): Remove.
10014 * cfgloop.h: Remove the prototype for split_loop_bb.
10016 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10017 * cfgloop.h: Remove the prototype for
10018 flow_loop_outside_edge_p.
10020 * emit-rtl.c (init_virtual_regs): Make it static.
10021 * function.h: Remove the prototype for init_virtual_regs.
10023 * recog.c (peephole2_optimize): Make it static.
10024 * recog.h: Remove the prototype for peephole2_optimize.
10026 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10028 * df-scan.c (df_record_entry_block_defs): Check if
10029 INCOMING_RETURN_ADDR_RTX is defined.
10031 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10032 Kenneth Zadeck <zadeck@naturalbridge.com>
10034 PR rtl-optimization/24762
10035 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10036 * targhooks.c (hook_void_bitmap): New hook prototype.
10037 * targhoohs.h (hook_void_bitmap): Ditto.
10038 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10039 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10040 * target.h (live_on_entry): New function pointer.
10041 * df-scan.c (df_all_hard_regs): Removed.
10042 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10043 (df_scan_free_internal): Added df->entry_block_defs.
10044 (df_scan_alloc): Ditto.
10045 (df_scan_dump): Ditto.
10046 (df_uses_record): Plumbed flag field properly thru calls.
10047 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10048 This part fixes PR24762.
10049 (df_bb_refs_record): Added code to make the frame and arg
10050 pointers live in EH blocks.
10051 (df_refs_record): Added call to df_record_entry_block_defs.
10052 (df_record_entry_block_defs): New function.
10053 * df-core.c: Added comments to describe new artifical defs.
10054 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10055 (entry_block_defs): New field in struct df.
10056 (df_all_hard_regs): Deleted.
10057 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10058 * df-problems.c (df_ru_bb_local_compute_process_def):
10059 Added code to handle artifical defs in the entry to a function.
10060 (df_ru_bb_local_compute): Ditto.
10061 (df_rd_bb_local_compute_process_def): Ditto.
10062 (df_rd_bb_local_compute): Ditto.
10063 (df_lr_bb_local_compute): Ditto.
10064 (df_ur_bb_local_compute): Ditto.
10065 (df_urec_bb_local_compute): Ditto.
10066 (df_chain_create_bb): Ditto.
10067 (df_ur_local_finalize): Removed entry.
10068 (df_urec_init): Ditto.
10069 (df_urec_local_finalize): Ditto.
10070 (df_ri_bb_compute): Added detection of last use of pseudos.
10071 * Makefile.in (df-scan.o): Updated dependencies.
10072 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10073 * config/mips/mips.c (mips_set_live_on_entry): Added.
10074 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10076 * dce.c (marked_insn_p): Added code to handle artifical defs.
10078 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10080 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10082 (_mm_cvtsi128_si64): Likewise.
10083 (_mm_cvtsd_si64): Likewise.
10084 (_mm_cvttsd_si64): Likewise.
10085 (_mm_cvtsi64_sd): Likewise.
10086 (_mm_cvtsi64_si128): Likewise.
10087 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10088 (_mm_cvtsi64_m64): Likewise.
10089 (_m_to_int64): Likewise.
10090 (_mm_cvtm64_si64): Likewise.
10091 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10092 (_mm_cvttss_si64): Likewise.
10093 (_mm_cvtsi64_ss): Likewise.
10094 (_mm_cvtss_f32): Likewise.
10096 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10098 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10099 for pragma redefine_extname.
10101 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10104 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10105 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10106 -mno-minimal-toc to previous content.
10107 (bispecs): Remove goal.
10108 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10109 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10110 compatibility aliases on powerpc-*-*gnu*.
10111 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10112 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10113 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10114 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10115 (ldblspecs): New goal.
10116 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10117 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10119 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10120 L_sf_to_tf or L_df_to_tf is defined.
10122 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10123 Alan Modra <amodra@bigpond.net.au>
10126 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10127 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10128 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10129 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10130 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10131 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10132 (rs6000_override_options): Initialize rs6000_ieeequad.
10133 Initialize TFmode format to ibm_extended_format if not
10135 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10137 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10138 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10139 (function_arg_advance): IBM long double passed in two FPRs, not
10141 (function_arg): IBM long double passed in FPRs.
10142 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10143 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10144 Only multireg GPR aligned.
10145 (rs6000_init_libfuncs): Enable IBM long double functions if not
10147 (rs6000_generate_compare): Use IBM long double compare if not
10149 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10150 (TARGET_IEEEQUAD): Define.
10151 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10152 not TARGET_IEEEQUAD.
10153 * config/rs6000/rs6000.md: Enable TFmode patterns if
10155 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10156 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10157 and -mlong-double-128 are incompatible.
10158 * doc/invoke.texi (-mabi): Collect options together. Add
10159 ibmlongdouble and ieeelongdouble.
10161 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10163 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10165 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10166 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10167 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10168 * rtl.h (rtunion_def): Remove rt_ptr.
10170 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10171 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10172 * config/i386/winnt.c (i386_pe_mark_dllexport)
10173 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10175 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10177 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10179 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10183 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10184 pthread_key_delete. From John David Anglin. gthrw-ify
10185 pthread_getunique_np only if it it's not a macro. Delete
10187 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10188 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10189 __gthread_objc_condition_signal, __gthread_key_delete): Add
10190 "__attribute__ ((__unused__))" to unused arguments.
10191 (__gthread_recursive_mutex_init_function): Add missing return.
10192 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10193 gthr-posix95.h: Use macro-based approach for name redirection
10194 on targets missing weakref.
10196 2006-01-26 Zack Weinberg <zackw@panix.com>
10198 * genconditions.c (write_header): In generated code, #ifdef out
10199 all includes and fake declarations, except includes of bconfig.h
10200 and system.h, unless GCC_VERSION >= 3001. Do not include
10201 gensupport.h in any case.
10202 (write_conditions): Generate a definition of struct c_test. Add
10203 a comment to the generated #endif.
10204 (write_one_condition): Escape backslashes in string too.
10205 (write_writer): Generated code must escape backslashes and quote
10206 marks (but not newlines) in the strings it writes.
10207 * Makefile.in (build/gencondmd.o): Update dependencies.
10209 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10212 * Makefile.in (insn-automata.o): Add header file dependencies.
10213 * genautomata.c: Add includes.
10215 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10218 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10220 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10222 * configure.ac: Expect target tools paths to be passed from the toplevel
10223 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10225 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10227 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10230 * c.opt (Wpointer-sign): Init to -1.
10231 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10232 OPT_pedantic, to 0 otherwise.
10233 * doc/invoke.texi: Update.
10235 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10237 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10238 constants provided by 80387 instructions in the destination mode.
10240 2006-01-26 Richard Guenther <rguenther@suse.de>
10241 Andrew Pinski <pinskia@physics.uc.edu>
10244 partial PR tree-opt/17064
10245 * tree-ssa-structalias.c (intra_create_variable_infos):
10246 Create heap variables for incoming parameters if
10247 flag_argument_noalias > 1.
10248 (find_what_p_points_to): Look through default defs of
10251 2006-01-26 Jeff Law <law@redhat.com>
10254 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10255 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10256 within the VR_RANGE, use the VR_RANGE as the result, not the
10258 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10259 bounds for the type.
10261 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10263 * tree-ssa-alias.c (maybe_create_global_var): Change
10264 subvar walking to an assertion that we don't have subvar'd variables.
10266 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10269 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10270 Use a new variable, inner. PARM_DECLs are always non-weak.
10272 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10274 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10275 --disable-checking.
10277 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10279 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10281 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10283 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10284 (smax_insn, smin_insn, smax_0, smin_0): New.
10286 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10289 * config/cris/cris.c (cris_order_for_addsi3): New function.
10290 * config/cris/cris-protos.h: Prototype it.
10291 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10292 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10293 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10294 (split for "op.S1 [rx=rx+i],ry (swapped)")
10295 (split for "op(s|u).S1 [rx=rx+i],ry")
10296 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10297 Apply cris_order_for_addsi3 when generating addsi3 insns.
10299 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10301 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10302 (TREE_BLOCK): Add call to EXPR_CHECK.
10304 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10307 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10308 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10309 (dump_omp_clauses): ... here.
10310 (dump_generic_node): Handle OMP_CLAUSE.
10311 * tree.c (omp_clause_num_ops): New.
10312 (omp_clause_code_name): New.
10313 (tree_code_size): Handle OMP_CLAUSE.
10314 (tree_size): Likewise.
10315 (make_node): Document handling of OMP_CLAUSE.
10316 (tree_node_structure): Handle OMP_CLAUSE.
10317 (omp_clause_check_failed): New.
10318 (omp_clause_range_check_failed): New.
10319 (omp_clause_operand_check_failed): New.
10320 (build_omp_clause): New.
10321 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10322 * tree.h (enum omp_clause_code): Declare.
10323 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10324 (OMP_CLAUSE_RANGE_CHECK): Define.
10325 (OMP_CLAUSE_ELT_CHECK): Define.
10326 (omp_clause_check_failed): Declare.
10327 (omp_clause_operand_check_failed): Declare.
10328 (omp_clause_range_check_failed): Declare.
10329 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10330 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10331 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10332 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10333 (OMP_CLAUSE_IF_EXPR): Likewise.
10334 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10335 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10336 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10337 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10338 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10339 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10340 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10341 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10342 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10343 (OMP_CLAUSE_CODE): Define.
10344 (OMP_CLAUSE_SET_CODE): Define.
10345 (OMP_CLAUSE_CODE): Define.
10346 (OMP_CLAUSE_OPERAND): Define.
10347 (struct tree_omp_clause): Declare.
10348 (union tree_node): Add field 'omp_clause'.
10349 * treestruct.def (TS_OMP_CLAUSE): Define.
10350 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10351 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10352 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10353 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10354 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10355 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10356 (OMP_CLAUSE): Define.
10357 * print-tree.c (print_node): Handle OMP_CLAUSE.
10358 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10359 * c-typeck.c: Likewise.
10360 * gimplify.c: Likewise.
10361 * c-omp.c: Likewise.
10362 * tree-nested.c: Likewise.
10363 * tree-inline.c: Likewise.
10364 * c-parser.c: Likewise.
10365 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10368 2006-01-25 Roger Sayle <roger@eyesopen.com>
10370 PR rtl-optimization/25703
10371 * combine.c (try_combine): Handle zero_extract and strict_low_part
10372 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10374 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10376 * global.c: Fix comment typos.
10378 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10381 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10382 Use output_addr_const instead of assemble_name.
10384 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10386 * Makefile.in (sched-vis.o): Update dependencies.
10387 * haifa-sched.c (sched_finish): Clear current_sched_info.
10388 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10389 (dump_flow_info): Call it.
10390 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10392 * basic-block.h (dump_bb_info): Declare.
10393 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10394 option, and apply options only for dump files whose TDF_RTL,
10395 TDF_TREE, or TDF_IPA bits match.
10396 * rtl.h: Declare new functions exported from sched-vis.c.
10397 * sched-vis.c: Enable also if scheduling is not used.
10398 (print_value): Print the mode of registers if not inside scheduling.
10399 (print_insn): Make it work outside the scheduler. Beautify the output
10401 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10403 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10405 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10406 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10407 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10408 depending on the value of CONSTANT_POOL_ADDRESS_P.
10409 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10411 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10412 rather than SYMBOL_REF_DECL.
10413 (rtx_constant_pool): Remove const_rtx_sym_htab.
10414 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10415 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10416 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10417 Remove handling of const_rtx_sym_htab.
10418 (find_pool_constant): Delete.
10419 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10420 rather than find_pool_constant.
10421 (get_pool_constant_for_function): Delete.
10422 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10423 find_pool_constant.
10424 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10425 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10426 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10427 (SYMBOL_REF_CONSTANT): New macro.
10428 (get_pool_constant_for_function): Delete.
10429 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10430 rather than SYMBOL_REF_DECL.
10431 (i386_pe_mark_dllimport): Likewise.
10432 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10433 rather than SYMBOL_REF_DECL.
10434 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10435 (machopic_indirect_call_target): Likewise.
10437 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10439 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10441 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10443 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10445 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10447 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10449 2006-01-24 David Daney <ddaney@avtrex.com>
10452 * configure.ac (enable_tls): New enable option.
10453 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10454 * configure: Regenerate.
10455 * doc/install.texi (--enable-tls): Document new option.
10456 (--disable-tls): Ditto.
10458 2006-01-24 Richard Henderson <rth@redehat.com>
10460 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10461 * alias.c (true_dependence): Respect it.
10462 (canon_true_dependence, write_dependence_p): Likewise.
10463 * builtins.c (get_builtin_sync_mem): Set it.
10465 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10467 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10470 2006-01-24 DJ Delorie <dj@redhat.com>
10472 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10473 for storing constants in single-bit bitfields.
10475 2006-01-25 Ben Elliston <bje@au.ibm.com>
10477 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10479 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10482 * tree-ssa-pre.c (phi_translate): Return NULL
10483 for AGGREGATE_TYPE's.
10485 2006-01-24 Zack Weinberg <zackw@panix.com>
10487 * genautomata.c (process_state_for_insn_equiv_partition):
10488 Use xcalloc for insn_arcs_array.
10489 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10490 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10492 2006-01-24 Richard Henderson <rth@redhat.com>
10494 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10495 update all callers.
10497 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10499 PR rtl-optimization/25890
10500 PR rtl-optimization/25905
10501 * combine.c (expand_compound_operation, expand_field_assignment):
10502 Fail if the bitfield's final position is out of bounds.
10504 2006-01-24 Ian Lance Taylor <ian@airs.com>
10506 PR middle-end/25930
10507 * cgraphunit.c (cgraph_output_in_order): Don't clear
10508 cgraph_asm_nodes until after asm strings have been output.
10510 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10512 * fix-header.c (read_scan_file): Add new parameter imultilib when
10513 calling register_include_chains.
10515 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10517 * omp-low.c: Update documentation.
10519 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10520 Daniel Berlin <dberlin@dberlin.org>
10524 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10525 return from the function.
10527 2006-01-22 Zack Weinberg <zackw@panix.com>
10529 * rtl.def (match_code): Add second argument.
10530 * genpreds.c (write_extract_subexp): New function.
10531 (write_match_code): Add path argument. Use write_extract_subexp.
10532 (write_predicate_expr): Pass path to write_match_code.
10533 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10534 not perform a mode test.
10535 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10536 a subexpression does not constrain the top-level code set.
10537 * read-rtl.c (read_rtx_variadic): New function.
10538 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10539 * doc/md.texi: Document new notation.
10540 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10541 (cmpsi_operand): ... here, using new notation.
10543 2006-01-22 Zack Weinberg <zackw@panix.com>
10545 * varray.c: Remove GENERATOR_FILE #ifdefs.
10547 2006-01-22 Zack Weinberg <zackw@panix.com>
10549 * genautomata.c (output_reserved_units_table): Emit nothing if
10550 description->query_units_num is zero. Remove extra blank line.
10551 (output_cpu_unit_reservation_p): Short circuit
10552 if description->query_units_num is zero.
10554 2006-01-22 Zack Weinberg <zackw@panix.com>
10556 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10557 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10558 nor any of the random handful of variables that used to be necessary
10559 when this program was linked with rtlanal.o. Prune set of forward
10560 function declarations.
10561 (struct attr_desc): Remove static_p field.
10562 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10563 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10564 (attr_string): Do not read the character one past the length of
10566 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10567 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10568 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10569 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10570 (make_automaton_attrs): New.
10571 (main): Do not call into genautomata. Call local gen_bypass
10572 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10573 Remove special case for insn_alts.
10574 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10575 varray.h (leftover from previous change). Prune set of forward
10576 function declarations. Remove state_alts fields from all
10577 structures. Remove state_alts_table from struct automaton.
10578 Make everything except main static. Do not maintain num_dfa_decls.
10579 Do not maintain state_alts fields of various structures.
10580 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10581 (add_arc): Remove state_alts argument. All callers updated.
10582 (output_reserved_units_table): Emit #ifdef here...
10583 (output_tables): ...not here. Don't generate state_alts tables.
10584 (expand_automata): Don't generate attributes.
10585 (write_automata): Don't generate state_alts functions.
10586 (main): New function.
10587 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10588 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10589 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10590 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10591 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10592 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10593 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10594 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10596 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10597 * genattrtab.h: Delete file.
10598 * Makefile.in (OBJS-common): Add insn-automata.o.
10599 (insn-automata.o): New rule.
10600 (simple_generated_c): Add insn-automata.c.
10601 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10602 (genprogmd): Add automata.
10603 (build/genattrtab): Needs no extra objects nor libraries.
10604 (build/genautomata): Needs build/vec.o and -lm.
10606 2006-01-22 Zack Weinberg <zackw@panix.com>
10608 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10609 (output_dfa_max_issue_rate, locked_states_num): Delete.
10610 (struct automaton): Add locked_states field.
10611 (output_dead_lock_vect): Save number of locked states in
10612 automaton->locked_states. If it is zero, don't print anything.
10613 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10614 (output_internal_dead_lock_func): Only test the dead_lock_vect
10615 for automata that have locked states.
10616 (output_statistics): Always print the number of locked states for
10617 each automaton. Calculate total number of locked states here.
10618 (write_automata): Don't call output_dfa_max_issue_rate.
10619 * genattrtab.c: Define length_unit_log as a const variable.
10620 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10621 max_insn_queue_index const.
10622 * final.c (length_unit_log): Declare const.
10623 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10625 2006-01-22 Zack Weinberg <zackw@panix.com>
10627 * genautomata.c: Include vec.h, not varray.h.
10628 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10629 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10630 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10631 VEC_* macros operating on appropriately typed vectors, or to
10632 malloced arrays when the size is known in advance. Const-ify
10633 many char* variables and function arguments. No functional changes.
10634 * Makefile.in (build/varray.o): Delete rule.
10635 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10636 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10638 2006-01-22 Zack Weinberg <zackw@panix.com>
10640 * gensupport.c: Define get_insn_name and record_insn_name here.
10641 (read_md_rtx): Call record_insn_name as appropriate.
10642 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10643 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10644 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10646 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10647 (BUILD_VARRAY): Delete.
10648 (genprognormal): Rename genprogmd. Fold in all programs from
10649 genprognoprint; also attrtab.
10650 (build/genattrtab): Just mention genautomata.o and varray.o.
10651 Reorganize a bit, add comments to make the categories clearer.
10653 2006-01-22 Zack Weinberg <zackw@panix.com>
10655 * genconditions.c (condition_table, add_condition): Delete.
10656 (write_conditions): Don't emit n_insn_conditions nor
10657 insn_elision_unavailable. Issue the gcc version #ifdef here,
10658 inside the table, with no #else clause ...
10659 (write_header): ...not here.
10660 (write_writer): New function.
10661 (main): Don't initialize condition_table. Use add_c_test.
10663 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10664 files on the command line.
10665 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10666 Return -1 if there is no entry in the table, don't abort.
10667 (add_c_test, traverse_c_tests): New functions.
10668 * gensupport.h (insn_elision_unavailable, insn_conditions)
10669 (n_insn_conditions): Delete declarations.
10670 (add_c_test, traverse_c_tests): Declare.
10671 * read-rtl.c: Include gensupport.h.
10672 (read_conditions): New function.
10673 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10674 (read_rtx_1): If we get EOF when we were looking for an initial
10675 open paren, return 0. Call read_conditions when appropriate.
10676 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10677 dummy-conditions.o. Eliminate references to insn-conditions.o,
10678 or change them to build/gencondmd.o, as appropriate. Remove
10679 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10680 from $(simple_generated_c). For all files remaining in those
10681 two lists, add insn-conditions.md to the generator command line.
10682 Give insn-constants.h/s-constants their own rules. Add rules
10683 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10684 (build/read-rtl.o): Depend on gensupport.h.
10685 (genprognormal): Include preds.
10686 (genprogearly): Rename genprognoprint; only difference is now that
10687 they don't link with $(BUILD_PRINT).
10688 * dummy-conditions.c: Delete.
10690 2006-01-22 Zack Weinberg <zackw@panix.com>
10692 * genextract.c: Don't include insn-config.h. Do include vec.h.
10693 Declare vectors of int, char, and locstr.
10694 (locstr): New typedef.
10695 (struct extraction): Make all array fields into bare pointers.
10696 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10697 (insn_code_number): Delete.
10698 (accum_extract): New struct.
10699 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10700 (gen_insn): Take insn_code_number as an argument. Use an
10701 accum_extract structure instead of loading data directly into
10702 a struct extraction, and having to know how big it might get.
10703 (walk_rtx): Operate entirely on an accum_extract structure.
10704 (print_path): Avoid unnecessary use of printf.
10705 (print_header): New function, split out of main. Distinguish
10706 more carefully between an unrecognizable insn and an insn that
10707 has the code number of a define_expand.
10708 (main): Pass insn_code_number to gen_insn. Call print_header
10709 only after parsing. Avoid unnecessary use of printf.
10710 * Makefile.in (build/vec.o): New rule.
10711 (build/genextract): Depend on build/vec.o.
10712 (build/genextract.o): Don't depend on insn-config.h.
10714 2006-01-22 Zack Weinberg <zackw@panix.com>
10716 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10717 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10718 practical. Eliminate per-generator-program link rules.
10720 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10722 PR middle-end/24437
10723 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10724 with a call expr to ...
10725 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10727 2006-01-23 Richard Guenther <rguenther@suse.de>
10729 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10730 before make_edge with conditional EDGE_TRUE_VALUE.
10732 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10733 Jan Hubicka <jh@suse.cz>
10734 Richard Guenther <rguenther@suse.de>
10736 PR rtl-optimization/25654
10737 * cfgexpand.c (aggregate_contains_union_type): New function.
10738 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10739 for structure variables that contain a union type.
10741 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10743 * gengtype.c (new_structure): Return the structure.
10744 (create_option): Add an extra "next" argument.
10745 (create_field): New function.
10746 (adjust_field_rtx_def): Use create_option and create_field.
10747 Remove a now-unnecessary call to find_structure.
10748 (adjust_field_tree_def): Likewise.
10749 (note_yacc_type): Remove an unnecessary call to find_structure.
10750 * gengtype.h (new_structure): Return the structure.
10751 (create_option): Add an extra argument.
10752 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10753 (option): Adjust calls to create_option.
10755 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10757 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10759 2006-01-22 Paul Brook <paul@codesourcery.com>
10760 Peter Barada <peter@the-baradas.com>
10762 * config/m68k/m68k.md: Add Coldfire FPU support.
10763 Define FP mode macro and associated attributes.
10764 Use it for float mode patterns.
10765 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10766 (LIBCALL_VALUE): Use m68k_libcall_value.
10767 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10768 (m68k_function_value): Ditto.
10769 (emit_move_sequence): Ditto.
10770 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10771 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10772 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10773 (MULTILIB_EXCEPTIONS): Ditto.
10774 * config/m68k/m68k.opt: Add mcfv4e.
10775 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10776 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10777 (m68k_output_function_prologue): Save ColdFire FPU registers.
10778 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10779 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10780 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10781 ColdFire FPU registers.
10782 (m68k_libcall_value, m68k_function_value): New functions.
10783 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10784 (LIBCALL_VALUE): Use m68k_libcall_value.
10785 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10786 (MASK_COLDFIRE): Add MASK_CFV4E.
10787 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10788 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10789 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10790 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10791 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10792 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10793 * doc/invoke.tex: Document -mcfv4e on m68k.
10795 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10797 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10800 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10803 * c-opts.c (c_common_handle_option): Don't include
10804 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10805 * doc/invoke.texi (C++ Dialect Options): Document that
10806 -Wnon-virtual-dtor is no longer included in -Wall.
10808 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10810 * gcov.c (print_version), gcov-dump.c (print_version),
10811 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10814 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10816 * df-scan.c (problem_SCAN): Added NULL reset function.
10817 (df_scan_reset_blocks): Added code to call reset block function
10818 (df_bb_refs_delete) Fixed comment.
10819 (df_insn_refs_delete): Made tolerant of deleting non existent info
10820 for dataflow problems that need to be reset.
10821 * df-core.c (df_set_blocks): Ditto.
10822 * df.h (struct df_problem): Added reset_fun.
10823 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10824 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10825 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10826 functions to clear out all references to def-use or use-def chains.
10828 2006-01-21 Ben Elliston <bje@au.ibm.com>
10830 * varasm.c (assemble_real): Initialise data array.
10832 2006-01-20 Paul Brook <paul@codesourcery.com>
10834 Merge from csl-arm-branch.
10835 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10836 * config/arm/arm.md (movdi): Force operands[1] to a register
10837 if we have a non-register source.
10838 (*arm_movdi, *movdf_soft_insn): Require that one of the
10839 operands be a register.
10840 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10841 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10843 2006-01-20 DJ Delorie <dj@redhat.com>
10845 * varasm.c (initializer_constant_valid_p): Allow pointers
10846 initialized from integer constants of lesser precision.
10847 (output_constant): Allow non-int-sized pointer modes to be
10848 initialized from integer constants.
10850 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10853 * cppdefault.h (struct default_include): Add multilib flag.
10854 * cppdefault.c (cpp_include_defaults): Set it.
10855 * c.opt (-imultilib): New option.
10856 * c-opts.c (imultilib): New.
10857 (c_common_handle_option): Handle -imultilib.
10858 (c_common_post_options): Likewise.
10859 * c-incpath.c (add_standard_paths, register_include_chains):
10861 * c-incpath.h (register_include_chains): Add extra parameter.
10862 * gcc.c (do_spec_1): Generate -imultilib option.
10863 (The Specs Language): Update %I description.
10864 (process_command): Update copyright notice.
10865 * doc/cppopts.texi (-imultilib): Document.
10866 * doc/invoke.texi (-imultilib): Include in option summary.
10867 (%I): Update specs documentation.
10869 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10871 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10873 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10875 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10878 2006-01-20 Richard Guenther <rguenther@suse.de>
10879 Steven Bosscher <stevenb.gcc@gmail.com>
10881 PR rtl-optimization/24626
10882 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10883 EDGE_TRUE_VALUE if in RTL mode.
10886 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10887 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10889 2006-01-20 Dirk Mueller <dmueller@suse.com>
10892 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10893 instead of a special NOP marker.
10894 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10895 NOP marker handling.
10896 * c-common.h (empty_body_warning): Add forward declaration.
10897 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10898 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10900 2006-01-20 Paul Brook <paul@codesourcery.com>
10902 * Makefile.in (lang_checks): Keep going if mkdir fails.
10904 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10906 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10907 be able to clean out basic block when not necessary.
10908 (df_scan_free): Fixed to properly delete information if df is
10909 unused before calling df_finish.
10910 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10911 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10913 (df_bb_refs_delete): New function.
10914 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10915 * df-core.c (df_set_blocks): Added code to properly clean out
10916 unused blocks if they are not part of the blocks to consider.
10917 Added additional null check.
10918 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10919 be able to clean out basic block when not necessary
10920 * df.h (df_free_bb_function): Ditto.
10921 (df_bb_refs_delete): New function.
10922 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10923 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10924 basic block parameter to be able to clean out basic block when not
10926 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10927 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10928 Fixed to properly delete information if df is unused before
10931 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10933 PR rtl-optimization/25799
10934 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10935 Corrected confluence operator to remove bits from op2 before oring
10936 with op1 rather than removing bits from op1.
10937 (df_ru_transfer_function): Corrected test on wrong bitmap which
10938 caused infinite loop. Both of these problems were introduced in
10939 the dataflow rewrite.
10941 2006-01-19 DJ Delorie <dj@redhat.com>
10943 * reload1.c (find_reload_regs): Note the details of reload
10944 failures in the dump file.
10945 (spill_failure): Likewise.
10947 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10949 * loop-iv.c: Include df.h and hashtab.h.
10950 (enum iv_grd_result): New enum.
10951 (DF_REF_IV, DF_REF_IV_SET): New macros.
10952 (struct biv_entry): New.
10953 (df, bivs): New global variables.
10954 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10955 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10957 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10958 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10959 analyzed_for_bivness_p, record_biv): New functions.
10960 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10961 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10962 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10964 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10966 (iv_number_of_iterations): Use new interface to iv analysis.
10967 * loop-unroll.c: Do not include varray.h.
10968 (analyze_iv_to_split_insn): Use new interface to iv
10970 * loop-unswitch.c (may_unswitch_on): Ditto.
10971 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10973 (df_bb_modify): Realloc tables to the new index.
10974 (df_find_use): New function.
10975 * df.h (df_find_use): Declare.
10976 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10978 * cfgloop.h (struct rtx_iv): Remove analysed field.
10979 (iv_get_reaching_def): Removed.
10980 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10981 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10982 (loop-iv.o): Add df.h and hashtab.h dependency.
10983 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10985 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10988 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10990 (__floatundisf, __floatundidf): Likewise.
10991 * libgcc2.h (IS_IBM_EXTENDED): Define.
10993 2006-01-19 DJ Delorie <dj@redhat.com>
10995 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10997 2006-01-19 Paul Brook <paul@codesourcery.com>
10999 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11000 as nothrow when unwinding tables are disabled.
11002 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11005 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11006 of bit-field" when in system header.
11008 2006-01-19 DJ Delorie <dj@redhat.com>
11010 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11011 the 16 bit shift limit of the m16c.
11013 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11016 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11017 * config/i386/i386.c (output_set_got): Output the label if we have one
11018 for the TARGET_DEEP_BRANCH_PREDICTION case.
11020 2006-01-19 Jan Hubicka <jh@suse.cz>
11021 H.J. Lu <hongjiu.lu@intel.com>
11022 Evandro Menezes <evandro.menezes@amd.com>
11024 * invoke.texi (generic): Document
11026 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11027 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11028 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11029 (x86_use_incdec, x86_pad_returns): New variables
11030 (TARGET_CPU_DEFAULT_generic): New constant
11031 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11032 (enum processor_type): Add generic32 and generic64.
11033 * i386.md (cpu attribute): Add generic32/generic64
11034 (movhi splitter): Behave sanely when both partial_reg_dependency and
11035 partial_reg_stall are set.
11036 (K8 splitters): Enable for generic as well.
11037 * predicates.md (incdec_operand): Use TARGET_INCDEC
11038 (aligned_operand): Avoid memory mismatch stalls.
11039 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11040 * ppro.md: Enable for generic32
11041 * i386.c (generic64_cost, generic32_cost): New.
11042 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11043 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11044 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11045 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11046 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11047 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11048 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11049 x86_accumulate_outgoing_args, x86_prologue_using_move,
11050 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11051 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11052 Enable for generic.
11053 (x86_use_incdec, x86_pad_returns): New.
11054 (override_options): Add generic32 and generic64, translate "generic"
11055 to generic32/generic64 and "i686" to "generic32", refuse
11056 "generic32"/"generic64" as arch target.
11057 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11058 (ix86_reorg): Honor PAD_RETURNS.
11060 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11062 * tree-pretty-print.c (dump_generic_node): Handle
11063 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11064 * cgraph.c (cgraph_expand_queue): Rename from
11065 cgraph_analyze_queue. Update all users.
11066 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11067 cgraph_expand_queue.
11068 (cgraph_expand_all_functions): Likewise.
11069 (cgraph_finalize_pending_functions): Remove. Update callers.
11071 * tree.h (OMP_DIRECTIVE_P): Define.
11072 (OMP_PARALLEL_FN): Define.
11073 (OMP_PARALLEL_DATA_ARG): Define.
11074 (OMP_SECTIONS_SECTIONS): Define.
11075 * tree-pass.h (pass_expand_omp): Declare.
11076 * omp-low.c (struct omp_region): Declare.
11077 (struct omp_context): Remove fields 'parallel_type',
11078 'parallel_start_ix' and 'parallel_start_additional_args'.
11080 (struct omp_for_data): Rename from struct expand_omp_for_data.
11081 (omp_regions): New static variable.
11082 (root_omp_region): New static variable.
11083 (find_omp_clause): Make static.
11084 (is_in_combined_parallel_ctx): Remove.
11085 (is_combined_parallel): New.
11086 (extract_omp_for_data): Move earlier in the file.
11087 (workshare_safe_to_combine_p): New.
11088 (get_ws_args_for): New.
11089 (determine_parallel_type): Move earlier in the file.
11090 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11092 (omp_copy_decl): Likewise.
11093 (create_omp_child_function): Likewise.
11094 (lookup_omp_region): New.
11095 (dump_omp_region): New.
11096 (debug_omp_region): New.
11097 (debug_all_omp_regions): New.
11098 (new_omp_region): New.
11099 (scan_omp_parallel): If parallel_nesting_level > 1, the
11100 directive is nested within another parallel directive.
11101 Set OMP_PARALLEL_FN.
11102 (scan_omp_for): Do not try to handle combined parallel+for
11104 Remove FIXME comment.
11105 (scan_omp_nested): Remove.
11106 (scan_omp_1): Do not call scan_omp_nested when
11107 parallel_nesting_level is > 1.
11108 Do not change the DECL_CONTEXT of local variables found.
11109 (lookup_decl_in_outer_ctx): New.
11110 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11111 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11112 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11113 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11114 If CTX is nested, lookup VAR in the outer context when
11115 building copy assignment.
11116 (lower_send_clauses): Rename from expand_send_clauses.
11117 If CTX is nested, lookup VAR in the outer context when
11118 building copy assignments.
11119 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11120 If CTX is nested, lookup VAR in the outer context when
11121 building copy assignments.
11122 (expand_parallel_call): Rename from build_parallel_call.
11123 Handle combined parallel+workshare cases.
11124 Re-implement to emit code into the CFG.
11126 (expand_omp_parallel): Re-implement to emit code into the CFG.
11127 Call move_sese_region_to_fn to outline the sub-graph
11128 containing the parallel region.
11129 (expand_omp_for_1): Remove.
11130 (expand_omp_for_generic): Re-implement to emit code into the
11132 (expand_omp_for_static_nochunk): Likewise.
11133 (expand_omp_for_static_chunk): Likewise.
11134 (expand_omp_for): Likewise.
11135 (expand_omp_sections): Likewise.
11136 (remove_exit_barriers): New.
11137 (expand_omp_synch): New.
11139 (build_omp_regions_1): New.
11140 (build_omp_regions): New.
11141 (execute_expand_omp): New.
11142 (gate_expand_omp): New.
11143 (pass_expand_omp): Define.
11144 (lower_omp_sections): Rename from expand_omp_sections.
11145 Set OMP_SECTIONS_SECTIONS.
11146 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11147 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11148 (lower_omp_single): Rename from expand_omp_simple.
11149 (lower_omp_master): Rename from expand_omp_master.
11150 (lower_omp_ordered): Rename from expand_omp_ordered.
11151 (lower_omp_critical): Rename from expand_omp_critical.
11152 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11153 (lower_omp_for): Re-implement.
11154 (lower_omp_parallel): Re-implement.
11155 (lower_regimplify): Rename from expand_regimplify.
11156 (lower_omp_1): Rename from expand_omp_1.
11157 If there are syntax errors in the program, replace every
11158 OpenMP directive with NOP.
11159 Call lower_omp_* instead of expand_omp_*.
11160 (lower_omp): Rename from expand_omp.
11162 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11163 * tree-gimple.h (enum omp_parallel_type): Remove.
11164 (gimple_boolify): Declare extern.
11165 (find_omp_clause, determine_parallel_type): Remove.
11167 * gimple-low.c (lower_omp_directive): New.
11168 (lower_stmt): Call it.
11169 (record_vars_into): Move from ...
11170 (record_vars): ... here.
11171 Call record_vars_into with current_function_decl.
11173 * gimplify.c (struct gimplify_ctx): Remove fields
11174 combined_pre_p and combined_ctxp. Update users.
11175 (get_formal_tmp_var): Add documentation.
11176 (gimple_boolify): Make extern.
11177 (gimplify_expr_in_ctx): Remove. Update callers.
11178 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11179 will always be a BIND_EXPR.
11180 (gimplify_expr): Handle OMP_RETURN_EXPR.
11181 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11182 (OMP_PARALLEL): Add 3 operands.
11183 (OMP_SECTIONS): Add 1 operand.
11184 (OMP_RETURN_EXPR): Define.
11186 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11187 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11188 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11189 creating a circular free list.
11190 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11192 * tree-flow.h (move_sese_region_to_fn): Declare.
11193 (record_vars_into): Declare.
11194 * tree-cfg.c (make_omp_sections_edges): New.
11195 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11196 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11197 OMP_SECTIONS and OMP_SECTION.
11198 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11199 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11200 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11201 (gather_blocks_in_sese_region): New.
11202 (struct move_stmt_d): Declare.
11203 (move_stmt_r): New.
11204 (move_block_to_fn): New.
11205 (move_sese_region_to_fn): New.
11207 * passes.c (init_optimization_passes): Schedule
11208 pass_expand_omp after pass_init_datastructures.
11210 * tree-ssa-operands.c (get_expr_operands): Handle
11211 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11212 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11214 2006-01-19 Jeff Law <law@redhat.com>
11216 * tree-vrp.c (extract_range_from_assert): Refine the result range
11217 if the variable referenced by the ASSERT_EXPR has a range and
11218 either the tentative result range or the previous range is a
11221 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11223 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11225 2006-01-19 Jan Hubicka <jh@suse.cz>
11227 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11229 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11231 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11232 (expand_compound_operation, expand_field_assignment): Fail if the
11233 bit lengths of an extract operation are out of range.
11234 (make_extraction): Compute wanted_inner_mode based on the position
11235 and length of the extraction. Make it extraction_mode for non-constant
11236 positions, and do not modify offset in that case. When generating a
11237 new MEM, use a mode that can hold the extraction while keeping correct
11238 alignment. Remove code that supported MEMs wrapped by USEs.
11239 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11241 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11243 * config/s390/s390.md ("Y", "y"): New mode attribute.
11244 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11245 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11246 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11247 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11248 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11249 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11250 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11251 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11252 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11253 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11254 "addsi3", "subsi3"): Insn patterns removed.
11255 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11256 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11257 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11258 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11259 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11260 "*sub<mode>3_cconly2"): New insn patterns.
11261 ("addsi3", "subsi3"): New expanders.
11263 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11265 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11266 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11267 existing STMT_VINFO_VECTYPE if available.
11268 (vect_mark_relevant): Add special handling for stmts that are
11269 marked as STMT_VINFO_IN_PATTERN_P.
11270 (vect_analyze_loop): Call vect_pattern_recog.
11271 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11272 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11274 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11275 (vect_recog_func_ptr): New function-pointer type.
11276 * tree-vect-patterns.c: New file.
11277 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11278 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11279 (vect_pattern_recog_1): New functions.
11280 (vect_pattern_recog_funcs): New array of function pointers.
11282 * tree-vectorizer.h (ternary_op): New enum value.
11283 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11284 declaration. Revised documentation. Removed redundant dump prints.
11285 Removed redundant argument. Added support for reduction patterns.
11286 (vectorizable_reduction): Added support for reduction patterns.
11287 (vect_transform_stmt): Added support for patterns.
11289 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11290 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11291 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11292 (expand_widen_pattern_expr): New function.
11293 (init_optabs): Initialize new optabs udot_prod_optab,
11295 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11296 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11297 (expand_widen_pattern_expr): New function declaration.
11298 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11300 * tree-inline.c (estimate_num_insns_1): Added cases for new
11301 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11302 * tree-pretty-print.c (dump_generic_node): Likewise.
11303 (op_prio): Likewise.
11304 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11305 * tree-ssa-operands.c (get_expr_operands): Added case for
11307 * tree-vect-patterns.c (widened_name_p): New function.
11308 (vect_recog_dot_prod_pattern): Added function implementation.
11309 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11310 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11311 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11312 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11314 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11315 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11316 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11317 (init_optabs): Initialize new optabs widen_ssum_optab,
11319 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11320 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11321 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11322 use instead of type of def.
11323 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11324 function implementation.
11325 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11326 widen_ssumv8hi): New.
11328 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11331 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11334 * c-decl.c (add_flexible_array_elts_to_size): New function.
11335 (finish_decl): Use it.
11337 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11339 * diagnostic.h: Include options.h.
11340 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11341 dependancies for diagnostic.h.
11342 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11344 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11346 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11347 (ssa_ro_call_cache_valid): Ditto.
11348 * tree-ssa-alias.c (sort_tags_by_id): New function.
11349 (init_transitive_clobber_worklist): Ditto.
11350 (add_to_worklist): Ditto.
11351 (mark_aliases_call_clobbered): Ditto.
11352 (compute_tag_properties): Ditto.
11353 (set_initial_properties): Ditto.
11354 (compute_call_clobbered): Ditto.
11355 (compute_may_aliases): Call compute_call_clobbered and grouping.
11356 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11357 (compute_flow_insensitive_aliasing): Grouping now happens in our
11359 (setup_pointers_and_addressables): Remove clobbering related code.
11360 (add_may_alias): Ditto.
11361 (replace_may_alias): Ditto.
11362 (get_nmt_for): Ditto.
11363 (create_global_var):
11364 (is_escape_site): Return an escape_type enumeration.
11365 * tree-flow-inline.h (is_call_clobbered): Global var does not
11366 imply call clobbered.
11367 (mark_call_clobbered): Take a reason for marking this. Remove
11368 marking of globalness, and cache invalidation.
11369 (clear_call_clobbered): Remove cache invalidation code.
11370 * tree-dfa.c (dump_variable): If details is on, dump the reason
11372 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11374 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11375 (struct var_ann_d): Ditto.
11376 (enum escape_type): New.
11377 (mark_call_clobbered): Adjust prototype.
11378 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11379 are never call clobbered.
11380 Record reasons for escaping.
11381 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11382 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11383 (ssa_ro_call_cache_valid): Ditto.
11384 (clobbered_v_may_defs): Ditto.
11385 (clobbered_vuses): Ditto.
11386 (ro_call_vuses): Ditto.
11387 (clobber_stats): New.
11388 (init_ssa_operands): Zero out clobber stats.
11389 (fini_ssa_operands): Print out clobber stats.
11390 (get_call_expr_operands): Pass callee fndecl to
11391 add_call_read_ops).
11392 (add_call_clobber_ops): Remove use of cache.
11393 Add use of PURE_CONST information.
11394 (add_call_read_ops): Remove use of cache.
11395 Add use of static not_read information.
11397 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11399 Introduce TLS descriptors for i386 and x86_64.
11400 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11401 (TARGET_ANY_GNU_TLS): New macro.
11402 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11403 (struct machine_function): Add tls_descriptor_call_expanded_p.
11404 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11405 (ix86_current_function_calls_tls_descriptor): Likewise.
11406 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11407 (override_options): Introduce gnu2 tls dialect.
11408 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11410 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11412 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11413 (ix86_init_machine_status): Initialize new field.
11414 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11415 (ix86_tls_module_base): New.
11416 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11417 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11418 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11419 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11420 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11421 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11422 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11423 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11424 * config/i386/predicates.md (tls_modbase_operand): New.
11425 (tp_or_register_operand): New.
11427 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11429 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11430 (look_for_address_of): Ditto.
11431 (ipa_init): Walk the function decls.
11432 (static_execute): Don't set readonly on FUNCTION_DECL's.
11434 2006-01-18 Roger Sayle <roger@eyesopen.com>
11436 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11437 for shifts where the source and destination registers are different.
11439 2006-01-18 Paul Brook <paul@codesourcery.com>
11441 Merge from csl-arm-branch.
11442 2005-03-14 Julian Brown <julian@codesourcery.com>
11443 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11444 (aeabi_llsl): Likewise.
11445 (ashrdi3): Likewise.
11446 (aeabi_lasr): Likewise.
11447 (lshrdi3): Likewise.
11448 (aeabi_llsr): Likewise.
11449 2005-03-10 Julian Brown <julian@codesourcery.com>
11450 * config.gcc: Disable shared libgcc for SymbianOS.
11451 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11453 2006-01-18 DJ Delorie <dj@redhat.com>
11455 * c-pragma.c (handle_pragma_diagnostic): New.
11456 (init_pragma): Register it.
11457 * doc/extend.texi: Document it.
11459 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11460 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11461 (diagnostic_context): Add classify_diagnostic[].
11462 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11463 as errors if they're overridden to DK_WARNING.
11464 (diagnostic_initialize): Initialize classify_diagnostic[].
11465 (diagnostic_set_kind_override): New.
11466 (diagnostic_report_diagnostic): Check for kind changes.
11467 * opts.c (common_handle_option): Take lang_mask. Update callers.
11468 Handle OPT_Werror_.
11469 * common.opt (Werror=): New.
11470 * doc/invoke.texi: Document -Werror=*
11472 2006-01-18 Jeff Law <law@redhat.com>
11474 * tree-vrp.c (test_for_singularity): Correct test for new
11475 min limit. Use operand_equal_p rather than pointer equality
11476 for testing if new min/max values are equal.
11478 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11479 using range information until after propagation and folding.
11481 2006-01-18 Richard Henderson <rth@redhat.com>
11482 Aldy Hernandez <aldyh@redhat.com>
11483 Jakub Jelinek <jakub@redhat.com>
11484 Diego Novillo <dnovillo@redhat.com>
11486 * omp-low.c: New file.
11487 * c-omp.c: New file.
11489 2006-01-18 Richard Henderson <rth@redhat.com>
11490 Jakub Jelinek <jakub@redhat.com>
11491 Diego Novillo <dnovillo@redhat.com>
11493 * doc/invoke.texi: Document -fopenmp.
11494 * tree-dump.h (debug_function): Declare.
11495 * hooks.c (hook_bool_tree_bool_false): New function.
11496 (hook_tree_tree_null): Remove.
11497 (hook_tree_tree_tree_null): New.
11498 * hooks.h: Update to match.
11499 * tree-pretty-print.c (debug_tree_chain): New.
11500 (print_generic_expr): Handle TDF_CHAIN.
11501 (dump_generic_node): Handle BLOCK.
11502 Do not abort with incomplete SWITCH_EXPRs.
11503 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11504 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11505 print space after directive name.
11506 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11507 Handle OMP_MASTER and OMP_ORDERED.
11508 Handle printing of OMP_BODY just in one place, goto
11509 dump_omp_body in the rest of OMP_* nodes that have
11511 Don't handle clause nodes here. Update omp statements to
11512 use dump_omp_clauses.
11513 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11514 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11515 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11516 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11517 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11518 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11519 Adjust output for GOMP_PARALLEL.
11520 (dump_omp_clauses): New.
11521 (print_declaration): Dump DECL_VALUE_EXPR.
11522 (op_symbol_1): Split out of op_symbol.
11523 (dumping_stmts): Remove. Update all users.
11524 * cgraph.c (cgraph_analyze_queue): New.
11525 (cgraph_add_new_function): New.
11526 * cgraph.h (cgraph_analyze_queue): Declare.
11527 (cgraph_add_new_function): Declare.
11528 (cgraph_lower_function): Remove.
11529 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11530 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11531 and TYPE_P nodes in its default clause.
11532 (empty_body_p): New.
11533 (tree_range_check_failed): New.
11534 (build5_stat): New.
11535 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11536 OMP_CLAUSE_REDUCTION_MERGE,
11537 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11538 OMP_CLAUSE_PRIVATE_DEBUG,
11539 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11540 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11541 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11542 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11543 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11544 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11545 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11546 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11547 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11548 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11549 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11550 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11551 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11552 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11553 (TREE_RANGE_CHECK): New.
11554 (empty_body_p): Declare.
11555 (enum omp_clause_default_kind): New.
11556 (build_string_literal): Declare.
11557 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11558 (build5_stat, build5): Declare.
11559 * tree-pass.h (TDF_CHAIN): Define.
11560 * tree-pass.h (PROP_gimple_lomp): Define.
11561 (pass_lower_omp): Declare.
11562 * diagnostic.h (debug_tree_chain): Declare.
11563 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11565 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11566 * builtins.c (build_string_literal): Make extern.
11567 * gcc.c (include_spec_function): New.
11568 (static_spec_functions): Add it.
11569 (main): Move load of libgomp.spec ...
11570 (LINK_COMMAND_SPEC): ... here.
11571 (link_gomp_spec): New.
11572 (static_specs): Include it.
11573 (LINK_COMMAND_SPEC): Add link_gomp.
11574 (GOMP_SELF_SPECS): New.
11575 (driver_self_specs): Include it.
11576 (switch_matches): Don't mark inline.
11577 (main): Load libgomp.spec.
11578 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11579 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11580 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11581 * tree-gimple.h (enum omp_parallel): Declare.
11582 (determine_parallel_type): Declare.
11583 (omp_firstprivatize_variable): Declare.
11584 (omp_reduction_init): Declare.
11585 (diagnose_omp_structured_block_errors): Declare.
11586 (struct walk_stmt_info): Add want_return_expr.
11587 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11588 (find_omp_clause): Declare.
11589 (insert_field_into_struct): Declare.
11590 (struct walk_stmt_info): Move from tree-nested.c
11591 (walk_stmts): Declare.
11592 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11594 * cgraphunit.c (cgraph_lower_function): Make static.
11595 (cgraph_finalize_pending_functions): New.
11596 (cgraph_finalize_function): Call it.
11597 (cgraph_finalize_compilation_unit): Likewise.
11598 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11599 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11600 (BT_FN_UINT_UINT): New.
11601 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11602 DEF_FUNCTION_TYPE_VAR_4): Document.
11603 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11604 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11605 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11606 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11607 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11608 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11609 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11610 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11611 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11612 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11613 into separate files.
11614 (DEF_GOMP_BUILTIN): New.
11615 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11616 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11617 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11618 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11619 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11620 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11621 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11622 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11623 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11624 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11625 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11626 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11627 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11628 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11629 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11630 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11631 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11632 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11633 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11634 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11635 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11636 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11637 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11638 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11639 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11640 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11641 * sync-builtins.def: New file, moved from builtins.def.
11642 * omp-builtins.def: New file, moved from builtins.def.
11643 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11644 * gimple-low.c (lower_function_body): Clear data.
11645 (lower_stmt): Do not handle COMPOUND_EXPR.
11646 Remove call to print_node_brief.
11647 * c-tree.h (c_finish_omp_clauses): New prototype.
11648 (C_DECL_THREADPRIVATE_P): Define.
11649 (lookup_name_no_remap, c_omp_remap_private): Remove
11650 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11651 (check_for_loop_decls): Update decl.
11652 (lookup_name_no_remap, c_omp_remap_private): Declare.
11653 (build_indirect_ref, build_modify_expr, pushdecl,
11654 pushdecl_top_level): Move to c-common.h.
11655 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11656 before the switch, but just in the 2 places that need it.
11657 * c-decl.c (diagnose_mismatched_decls): Do not check for
11658 mismatched thread-local attributes when OLDDECL is marked
11659 threadprivate and NEWDECL has no thread-local attributes.
11660 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11661 (c_gimple_diagnostics_recursively): Rename from
11662 c_warn_unused_result_recursively. Invoke
11663 diagnose_omp_structured_block_errors.
11664 (check_for_loop_decls): Return a singular decl found.
11665 * langhooks.c (lhd_omp_predetermined_sharing): Return
11666 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11667 (lhd_omp_firstprivatize_type_sizes): New.
11668 (lhd_omp_assignment): New.
11669 (lhd_omp_predetermined_sharing): New.
11670 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11671 (struct lang_hooks_for_types): Add
11672 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11673 omp_predetermined_sharing, omp_disregard_value_expr,
11674 omp_private_debug_clause, omp_clause_default_ctor,
11675 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11676 (c_finish_omp_clauses): New.
11677 (c_finish_bc_stmt): Diagnose break within omp for.
11678 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11679 (build_unary_op): Return error_mark after reporting
11681 (build_modify_expr): Likewise.
11682 * gimplify.c: Include optabs.h and pointer-set.h.
11683 (enum gimplify_omp_var_data): Declare.
11684 (struct gimplify_omp_ctx): Declare.
11685 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11687 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11688 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11689 (splay_tree_compare_decl_uid): New.
11690 (new_omp_context): New.
11691 (delete_omp_context): New.
11692 (gimple_add_tmp_var): Call omp_add_variable.
11693 (gimplify_bind_expr): Likewise.
11694 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11695 true, disregard DECL_VALUE_EXPR on the decl if any.
11696 (gimplify_expr_in_ctx): New.
11697 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11698 omp_add_variable, omp_notice_variable, omp_is_private
11699 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11700 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11701 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11702 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11703 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11704 gimplify_omp_atomic): New.
11705 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11706 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11707 OMP_CRITICAL and OMP_ATOMIC.
11708 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11709 * c-pragma.h (enum pragma_kind): Add
11710 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11711 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11712 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11713 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11714 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11715 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11716 PRAGMA_OMP_THREADPRIVATE.
11717 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11718 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11719 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11720 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11721 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11722 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11723 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11724 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11725 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11726 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11727 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11728 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11729 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11731 (struct nesting_info): Add field_map,
11732 suppress_expansion, debug_var_chain.
11733 (create_nesting_tree): Initialize them.
11734 (lookup_field_for_decl): Use field_map.
11735 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11736 (convert_local_omp_clauses): New.
11737 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11738 (walk_body): Split out of walk_function.
11739 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11740 (convert_nonlocal_reference): Handle omp statements.
11741 (convert_local_reference): Likewise.
11742 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11743 (unnest_nesting_tree): New.
11744 (lower_nested_functions): Call it.
11745 (insert_field_into_struct): Make extern.
11746 (struct walk_stmt_info): Move to tree-gimple.h.
11747 (walk_stmts): Make extern.
11748 * omp-builtins.def: New file.
11749 * tree-iterator.c (expr_only): Clarify comment.
11750 * c-common.h (pushdecl_top_level, pushdecl,
11751 build_modify_expr, build_indirect_ref,
11752 c_finish_omp_master, c_finish_omp_critical,
11753 c_finish_omp_ordered, c_finish_omp_barrier,
11754 c_finish_omp_atomic, c_finish_omp_flush,
11755 c_finish_omp_for, c_split_parallel_clauses,
11756 omp_clause_default_kind, c_omp_sharing_predetermined,
11757 c_omp_remap_decl): Declare.
11758 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11759 (OBJS-common): Add omp-low.o.
11760 (c-omp.o, omp-low.o): Add.
11761 (gimplify.o): Add dependency on $(OPTABS_H).
11762 (GTFILES): Add omp-low.c.
11763 (gt-stringpool.h): Add.
11764 * tree-cfg.c (set_bb_for_stmt): Do not update the
11765 block-to-labels map if we are currently expanding to RTL.
11766 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11768 Handle IDENTIFIER_NODE.
11769 (tree_verify_flow_info): Do not ICE when emitting error
11770 messages about invalid labels.
11771 (dump_function_to_file): Reset CFUN before emitting the body
11773 (debug_function): New.
11774 * passes.c (init_optimization_passes): Schedule
11776 * langhooks-def.h (lhd_omp_predetermined_sharing,
11777 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11779 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11780 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11781 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11782 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11783 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11784 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11785 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11786 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11787 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11788 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11789 (LANG_HOOK_DECLS): Use them.
11791 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11792 Richard Henderson <rth@redhat.com>
11793 Jakub Jelinek <jakub@redhat.com>
11794 Diego Novillo <dnovillo@redhat.com>
11796 * c-parser.c (pragma_omp_clause): Define.
11797 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11798 (c_parser_compound_statement): Likewise.
11799 (c_parser_statement): Likewise.
11800 (c_parser_pragma): Handle omp pragmas.
11801 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11802 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11803 (c_parser_omp_clause_name, check_no_duplicate_clause,
11804 c_parser_omp_variable_list,
11805 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11806 c_parser_omp_clause_copyprivate,
11807 c_parser_omp_clause_default,
11808 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11809 c_parser_omp_clause_lastprivate,
11810 c_parser_omp_clause_nowait,
11811 c_parser_omp_clause_num_threads,
11812 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11813 c_parser_omp_clause_reduction,
11814 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11815 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11816 c_parser_omp_atomic, c_parser_omp_barrier,
11817 c_parser_omp_critical, c_parser_omp_flush,
11818 c_parser_omp_for_loop, c_parser_omp_for,
11819 c_parser_omp_master, c_parser_omp_ordered,
11820 c_parser_omp_sections_scope, c_parser_omp_sections,
11821 c_parser_omp_parallel, c_parser_omp_single,
11822 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11823 * c-pragma.c (init_pragma): Do omp pragma registration here.
11824 * c.opt (fopenmp): New flag.
11826 2006-01-18 Eric Christopher <echristo@apple.com>
11828 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11829 * config/darwin.h (GOMP_SELF_SPECS): Define.
11831 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11833 * rtl.h: Remove the prototype for reg_alloc.
11835 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11838 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11839 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11840 sjlj and dwarf2 exception handling.
11841 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11842 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11843 * pa/pa.c (function_value): Treat complex and vector types as
11845 (function_arg): Likewise. Only pass scalar floats in the floating
11846 point argument registers.
11847 * pa/t-slibgcc-dwarf-ver: New file.
11848 * pa/t-slibgcc-sjlj-ver: New file.
11849 * pa/t-slibgcc-elf-ver: Delete file.
11851 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11853 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11854 unlikely_test_section_p test.
11856 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11858 * mode-switching.c (optimize_mode_switching): Make it static.
11859 * basic-block.h: Remove the prototype for
11860 optimize_mode_switching.
11862 * modulo-sched.c (sms_schedule): Make it static.
11863 * rtl.h: Remove the prototype for sms_schedule.
11865 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11866 * rtl.h: Remove the prototype for gcse_after_reload_main.
11868 * reg-stack.c (reg_to_stack): Make it static.
11869 * rtl.h: Remove the prototype for reg_to_stack.
11871 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11873 * rtl.h: Remove the prototypes for regrename_optimize and
11874 copyprop_hardreg_forward.
11876 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11878 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11879 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11880 Test against the appropriate null constant for the mode.
11881 If 'fixup_overlap' is true, swap the operands if they overlap.
11882 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11883 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11884 alpha_split_tmode_pair and adjust for above change.
11885 * config/alpha/alpha.md (movtf_internal): Adjust call to
11886 alpha_split_tfmode_pair and rely on it to swap the operands.
11887 (movti_internal): New insn and post-reload splitter.
11888 (movti): New expander.
11890 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11892 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11895 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11897 * rtlanal.c (global_reg_mentioned_p_1,
11898 global_reg_mentioned_p): Remove.
11899 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11901 * flow.c (initialize_uninitialized_subregs): Make it static.
11902 * rtl.h: Remove the prototype for
11903 initialize_uninitialized_subregs.
11905 * function.c (instantiate_virtual_regs): Make it static.
11906 * function.h: Remove the prototype for
11907 instantiate_virtual_regs.
11909 * regmove.c (regmove_optimize, combine_stack_adjustments):
11911 * rtl.h: Remove the prototypes for regmove_optimize and
11912 combine_stack_adjustments.
11914 2006-01-17 Roger Sayle <roger@eyesopen.com>
11916 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11917 (size_cost): Encode costs in bytes so that a reg-reg addition is
11918 equivalent to COSTS_N_INSNS(1).
11919 (override_options): Use the size_cost.branch_cost as the default
11920 ix86_branch_cost when optimizing for size.
11922 2006-01-18 Ben Elliston <bje@au.ibm.com>
11924 * Makefile.in (D32PBIT_FUNCS): New.
11925 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11926 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11927 D64PBIT_FUNCS and D128PBIT_FUNCS.
11928 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11929 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11931 (decnumber_dep): Define.
11932 * doc/libgcc.texi (Decimal float library routines): New node.
11933 * config/dfp-bit.h, config/dfp-bit.c: New files.
11935 2006-01-18 Ben Elliston <bje@au.ibm.com>
11937 * expr.c (emit_move_change_mode): Always adjust addresses, not
11938 just during reload. Copy replacements only during reload.
11939 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11940 emit_move_via_integer.
11942 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11944 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11945 instead of $(srcdir) and ${srcdir}.
11947 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11950 PR middle-end/11135
11951 * arm.h (struct machine_function): Add pic_reg.
11952 * arm.c (arm_pic_register): Make unsigned.
11953 (arm_override_options): Only set arm_pic_register if
11954 TARGET_SINGLE_PIC_BASE.
11955 (use_return_insn): Only test for a pic register if it is fixed.
11956 (arm_compute_save_reg0_reg12_mask): Likewise.
11957 (thumb_compute_save_reg_mask): Likewise.
11958 (legitimate_pic_operand): Factor out some known invariants.
11959 (legitimize_pic_address): If we don't have a fixed pic register,
11960 then set up a pseudo in the function entry sequence. Handle the
11961 pic base being in a pseudo.
11962 (arm_load_pic_register): Handle the pic register being in a pseudo.
11963 (arm_expand_prologue): Only set up the pic register if it is fixed.
11964 (thumb_expand_prologue): Likewise.
11965 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11966 (pic_load_addr_based_insn): Likewise.
11967 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11970 2006-01-18 Ben Elliston <bje@au.ibm.com>
11972 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11973 decimal float modes for all floating point registers.
11975 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11976 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11978 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11981 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11982 even when the pointer is not NULL.
11984 2006-01-16 Ian Lance Taylor <ian@airs.com>
11986 * common.opt (ftoplevel-reorder): New option.
11987 * cgraph.c (cgraph_asm_nodes): New global variable.
11988 (cgraph_asm_last_node): New static variable.
11989 (cgraph_order): New global variable.
11990 (cgraph_create_node): Set new order field.
11991 (cgraph_varpool_node): Likewise.
11992 (decide_is_variable_needed): Return true if not
11993 flag_toplevel_reorder.
11994 (cgraph_add_asm_node): New function.
11995 * cgraph.h (struct cgraph_node): Add order field.
11996 (struct cgraph_varpool_node): Add order field.
11997 (struct cgraph_asm_node): Define.
11998 (cgraph_asm_nodes, cgraph_order): Declare.
11999 (cgraph_add_asm_node): Declare.
12000 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12002 (cgraph_varpool_assemble_pending_decls): Call it.
12003 (cgraph_output_pending_asms): New static function.
12004 (cgraph_finalize_compilation_unit): Call it.
12005 (struct cgraph_order_sort): Define.
12006 (cgraph_output_in_order): New static function.
12007 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12008 !flag_toplevel_reorder case.
12009 * c-parser.c: Include "cgraph.h".
12010 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12012 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12013 than -fno-unit-at-a-time.
12014 * doc/invoke.texi (Option Summary): Mention
12015 -fno-toplevel-reorder.
12016 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12017 -funit-at-a-time documentation.
12019 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12020 Kazu Hirata <kazu@codesourcery.com>
12022 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12024 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12026 * Makefile.in (FUNCTION_H): New. Use it instead of
12027 function.h throughout the file.
12028 * function.h: Include tree.h.
12030 2006-01-17 Ben Elliston <bje@au.ibm.com>
12032 * recog.c: Separate some functions with whitespace.
12034 2006-01-16 Richard Henderson <rth@redhat.com>
12036 Merge from gomp branch:
12037 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12038 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12039 and rename from struct inline_data. Rename callee* to dst*;
12040 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12041 transform_new_cfg, transform_return_to_modify, and
12042 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12044 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12045 (copy_decl_for_dup): Remove.
12046 * tree-inline.c (struct inline_data): Move to header.
12047 (insert_decl_map): Export.
12048 (remap_decl): Update for member name changes. Use copy_decl hook.
12049 Allow for replacement to be a non-decl. Remove dead code.
12050 (remap_type_1): Check for existing mapping.
12051 (remap_type): Export.
12052 (remap_decls): Update for member name changes.
12053 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12054 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12055 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12056 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12057 (tree_function_versioning, build_duplicate_type): Likewise.
12058 (copy_body_r): Likewise. Export.
12059 (copy_decl_for_dup): Split into ...
12060 (copy_decl_for_dup_finish, copy_decl_to_var,
12061 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12062 (replace_ref_tree, inlining_p): Remove.
12064 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12066 * ifcvt.c (if_convert): Make it static.
12067 * rtl.h: Remove the prototype for if_convert.
12069 * local-alloc.c (local_alloc): Make it static.
12070 * rtl.h: Remove the prototype for local_alloc.
12072 * loop.c (loop_optimize): Make it static.
12073 * cfgloop.h: Remove the prototype for loop_optimize.
12076 2006-01-16 DJ Delorie <dj@redhat.com>
12078 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12081 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12083 * pa.md: Disparage copies between general and floating-point registers
12084 in 32-bit move patterns.
12086 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12089 * Makefile.in (check-%): Depend on site.exp instead of
12090 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12093 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12095 * global.c (global_alloc): Make it static.
12096 * rtl.h: Remove the prototype for global_alloc.
12098 2006-01-16 Richard Guenther <rguenther@suse.de>
12100 * tree-ssa-alias.c (struct used_part): Add write_only field.
12101 (get_or_create_used_part_for): Initialize it to true.
12102 (create_overlap_variables_for): Don't create structure variables
12103 for structures that only are written to.
12104 (find_used_portions): Handle MODIFY_EXPR to track whether a
12105 structure is only written to.
12107 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12109 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12111 * basic-block.h: Remove the prototype for
12112 partition_hot_cold_basic_blocks.
12114 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12116 * cppspec.c (lang_specific_spec_functions): Remove.
12117 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12118 * gcc.h (lang_specific_spec_functions): Remove.
12119 * gccspec.c (lang_specific_spec_functions): Remove.
12121 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12123 * combine.c (record_value_for_reg): Invalidate registers
12125 (record_dead_and_set_regs_1): Likewise, by passing them to
12126 record_value_for_reg.
12127 (record_dead_and_set_regs): Invalidate stores made by a
12128 call. We do not combine across a call, but we still
12129 relied on equivalences.
12131 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12133 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12134 vrp_int_const_binop returning non-constant nodes.
12136 2006-01-16 Paul Brook <paul@codesourcery.com>
12138 * config/m68k/m68k.c (output_move_const_into_data_reg):
12139 Output correct mnemonic for mvz and mvs.
12141 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12143 * rtl-factoring.c: Add sequence abstraction algorithm.
12144 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12145 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12147 (block_has_preserve_label): New function.
12148 * common.opt: Register new pass.
12149 * Makefile.in: Ditto.
12151 * timevar.def: Ditto.
12152 * tree-pass.h: Ditto.
12153 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12154 * rtl.h (make_jump_insn_raw): Add forward decl.
12155 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12157 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12158 Roger Sayle <roger@eyesopen.com>
12160 * fold-const.c (fold_minmax): New static function.
12161 (fold_binary) <MIN_EXPR>: Call it.
12162 <MAX_EXPR>: Likewise.
12163 * stor-layout.c (place_field): Use DECL_SIZE consistently
12164 in the computation of the new record size.
12166 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12168 * cse.c (cse_condition_code_reg): Make it static.
12169 * rtl.h: Remove the prototype for cse_condition_code_reg.
12171 * combine.c (combine_instructions): Make it static.
12172 * rtl.h: Remove the prototype for combine_instructions.
12174 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12177 * tree.c (get_file_function_name_long): Concatenate the first global
12178 object name with a string derived from the input filename of the object
12181 2006-01-16 Ben Elliston <bje@au.ibm.com>
12183 * config/i386/winnt-stubs.c: Update FSF address.
12184 * config/xtensa/ieee754-df.S: Ditto.
12185 * config/xtensa/ieee754-sf.S: Ditto.
12187 2006-01-14 Ian Lance Taylor <ian@airs.com>
12189 * ifcvt.c (noce_init_if_info): New static function, broken out of
12190 noce_process_if_block.
12191 (noce_process_if_block): Call noce_init_if_info.
12192 (check_cond_move_block): New static function.
12193 (cond_move_process_if_block): New static function.
12194 (process_if_block): Call cond_move_process_if_block.
12196 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12198 * cselib.c (hash_table): Rename to cselib_hash_table.
12199 (cselib_clear_table, discard_useless_values,
12200 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12201 cselib_init, cselib_finish): Adjust uses of hash_table.
12203 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12205 PR tree-optimization/25485
12206 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12207 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12208 is known to be false and true, respectively.
12210 2006-01-14 Richard Guenther <rguenther@suse.de>
12212 PR tree-optimization/22548
12213 PR tree-optimization/22555
12214 PR tree-optimization/22501
12215 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12216 * params.def (salias-max-array-elements): New parameter.
12217 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12218 * doc/invoke.texi (salias-max-array-elements): Document.
12219 * tree-flow-inline.h (var_can_have_subvars): We also handle
12221 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12223 * tree-ssa-structalias.c (params.h): Include.
12224 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12225 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12226 (get_constraint_for): For ADDR_EXPR operating on something
12227 containing an ARRAY_REF, add all subvars to the solution.
12228 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12229 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12230 for creating MUST_DEFs.
12231 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12233 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12235 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12237 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12238 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12239 number_of_iterations_le): New functions.
12240 (number_of_iterations_special): Removed.
12241 (number_of_iterations_exit): Do not use number_of_iterations_special.
12242 * tree.c (unsigned_type_for): Always return integer type.
12244 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12245 Richard Guenther <rguenther@suse.de>
12247 PR rtl-optimization/24257
12248 * gcse.c (find_moveable_store): Only consider a store movable
12249 when the SET_SRC of the insn can be assigned to a register.
12251 2006-01-14 Ian Lance Taylor <ian@airs.com>
12253 * tree.c (tree_not_class_check_failed): New function.
12254 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12255 (tree_not_class_check_failed): Declare.
12257 2006-01-13 Ian Lance Taylor <ian@airs.com>
12259 * reload1.c (do_output_reload): Add assertion rejecting a
12262 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12264 * combine.c (struct reg_stat): Add new fields truncation_label and
12266 (record_value_for_reg): Reset truncated_to_mode.
12267 (record_truncated_value): New function.
12268 (check_promoted_subreg): Call it. Rename to check_conversions.
12269 (combine_instructions): Rename check_promoted_subreg to
12271 (reg_truncated_to_mode): New function.
12272 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12273 (gen_lowpart_or_truncate): New function.
12274 (force_to_mode): Use it instead of gen_lowpart.
12276 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12278 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12279 VAR is a tag, not its type tag.
12281 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12283 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12284 alternatives to match style of other entries.
12285 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12287 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12289 PR tree-optimization/25771
12290 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12293 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12296 * tree-inline.c (declare_return_variable): If the return variable
12297 was marked as a non gimple complex, set the return slot variable
12298 to be a non gimple comple variable.
12300 2006-01-13 Richard Guenther <rguenther@suse.de>
12302 * builtins.c (expand_builtin_sincos): New function.
12303 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12305 (expand_builtin): Expand sincos using expand_builtin_sincos.
12307 2006-01-12 DJ Delorie <dj@redhat.com>
12309 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12310 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12311 so that constant shifts can be split.
12312 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12313 (m32c_valid_pointer_mode): Make static.
12314 (shift_gen_func_for): New.
12315 (m32c_prepare_shift): Use it. Split large const shifts into
12317 * config/m32c/predicates.md (shiftcount_operand): Allow more
12319 (longshiftcount_operand): New.
12320 * doc/md.texi (Machine Constraints): Document In6.
12322 2006-01-13 Ben Elliston <bje@au.ibm.com>
12324 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12325 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12328 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12330 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12331 to try to avoid clobbering pieces of structures when we know
12332 something about the whole structure.
12333 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12335 2006-01-13 Ben Elliston <bje@au.ibm.com>
12337 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12338 return in memory, as this is no limitation is no longer present.
12340 2006-01-12 DJ Delorie <dj@redhat.com>
12342 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12343 mova with fb, and for fb+0 -> An.
12345 * config/m32c/mov.md (peephole2): Fix enabling logic.
12347 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12348 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12349 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12350 FINI_ARRAY_SECTION_ASM_OP): Define.
12352 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12354 (m32c_legitimize_reload_address): New logic to reload FB to An.
12355 (m32c_output_reg_push): Add newline.
12356 (m32c_output_reg_pop): Likewise.
12358 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12360 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12362 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12364 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12366 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12368 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12371 2006-01-11 Ben Elliston <bje@au.ibm.com>
12373 * rtlanal.c (find_reg_note): Assert insn is not null.
12375 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12377 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12380 2006-01-11 Jeff Law <law@redhat.com>
12382 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12384 (mark_threaded_blocks, register_jump_thread): New functions.
12385 (thread_through_all_blocks): Remove unwanted argument. No
12386 longer rely on e->aux to communicate thread target info.
12387 Call mark_threaded_blocks. Release the threaded_blocks
12388 bitmap and threaded_edges vector when complete.
12389 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12390 (threaded_blocks): Remove.
12391 (tree_ssa_dominator_optimize): Remove initialization and
12392 finalization of threaded_blocks. Simplify call to
12393 thread_through_all_blocks.
12394 (thread_across_edge): Call register_jump_thread rather than
12395 storing thread information into e->aux.
12396 (free_all_edge_infos): Simplify now that e->aux is no longer
12397 used to communicate with thread_through_all_blocks.
12398 * tree-flow.h (thread_through_all_blocks): Update prototype.
12399 (register_jump_thread): Prototype.
12401 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12403 * df-core.c (df_compact_blocks, df_bb_replace): Use
12404 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12406 2006-01-11 Richard Guenther <rguenther@suse.de>
12408 PR tree-optimization/25734
12409 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12410 stop propagation after successful propagation to the LHS.
12412 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12414 * basic-block.h (control_flow_graph): Change the type of
12415 x_basic_block_info to VEC(basic_block,gc) *.
12416 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12418 (SET_BASIC_BLOCK): New.
12419 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12420 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12421 * cfgbuild.c (find_basic_blocks): Likewise.
12422 * cfglayout.c (fixup_reorder_chain): Likewise.
12423 * cfgrtl.c (create_basic_block_structure,
12424 rtl_create_basic_block): Likewise.
12425 * ifcvt.c (find_if_case_1): Likewise.
12426 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12429 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12431 * Makefile.in: Removed rotted odf.c entry.
12433 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12436 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12437 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12438 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12439 output pattern modifier, not %e.
12440 * config/cris/cris.c (cris_op_str): Update comment about pattern
12442 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12443 before falling through into...
12444 <case 'E'>: Redefined from old 'e' case.
12446 2006-01-11 Jan Hubicka <jh@suse.cz>
12449 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12451 2006-01-11 Jan Hubicka <jh@suse.cz>
12453 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12454 * i386.c (x86_decompose_lea): Kill.
12455 (ix86_rtx_costs): Kill.
12457 2006-01-11 Jan Hubicka <jh@suse.cz>
12459 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12460 * cgraph.h (cgraph_node): Add inline_decl.
12461 (cgraph_insert_node_to_hashtable): Declare.
12462 (save_inline_function_body): Declare.
12463 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12465 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12466 (cgraph_function_versioning): Update call of tree_function_versioning.
12467 (save_inline_function_body): New function.
12468 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12469 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12470 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12471 (cgraph_default_inline_p): Likewise.
12472 (cgraph_decide_inlining_incrementally): Likewise.
12473 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12474 (copy_bb): Kill saving; do updating of clones.
12475 (copy_cfg_body): Kill saving.
12476 (initialize_inlined-parameters): Likewise.
12477 (expand_call_inline): Likewise.
12479 (tree_function_versioning): New parameter "update_clones".
12480 (inlining_p): Kill saving.
12481 * tree-inline.h (tree_function_versioning): Update prototype.
12482 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12485 2006-01-11 Ian Lance Taylor <ian@airs.com>
12487 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12488 Allow undoing set of machine mode.
12489 (do_SUBST): Use enums instead of is_int.
12490 (do_SUBST_MODE): New function.
12491 (SUBST_MODE): New macro.
12492 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12493 reg and trying to replace reg_regno_rtx with a new register.
12494 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12495 (simplify_set): Use SUBST_MODE.
12496 (distribute_notes): Remove code that tried to update reg notes
12497 for regno_reg_rtx changes.
12499 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12501 PR tree-optimization/23109
12502 PR tree-optimization/23948
12503 PR tree-optimization/24123
12505 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12506 * tree-cfg.c (single_noncomplex_succ): New.
12507 * tree-flow.h (single_noncomplex_succ): Declare it.
12508 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12509 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12510 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12511 insert_bb, register_division_in, insert_reciprocals,
12512 replace_reciprocal, free_bb): New.
12513 (execute_cse_reciprocals_1): Rewritten.
12514 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12515 Do not commit any edge insertion. Always compute dominators and
12516 create the allocation pool.
12517 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12518 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12519 * targhooks.c (default_min_divistions_for_recip_mul): New.
12520 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12521 * passes.c (init_optimization_passes): Run recip after tree loop
12523 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12525 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12526 Kenneth Zadeck <zadeck@naturalbridge.com>
12528 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12529 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12530 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12531 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12532 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12533 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12534 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12535 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12536 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12537 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12538 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12539 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12540 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12541 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12542 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12543 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12544 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12545 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12546 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12547 DF_SCAN_POST_ALLOC): New macros.
12548 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12549 df_free_bb_function, df_local_compute_function, df_init_function,
12550 df_dataflow_function, df_confluence_function_0,
12551 df_confluence_function_n, df_transfer_function,
12552 df_finalizer_function, df_free_function, df_dump_problem_function,
12553 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12554 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12555 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12556 df_urec_bb_info, ) New types.
12557 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12559 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12560 df_analyze_simple_change_some_blocks,
12561 df_analyze_simple_change_one_block, df_compact_blocks,
12562 df_bb_replace, df_bb_regno_last_use_find,
12563 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12564 df_insn_regno_def_p, df_find_def, df_find_use,
12565 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12566 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12567 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12568 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12569 debug_df_chain, df_get_dependent_problem, df_chain_create,
12570 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12571 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12572 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12573 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12574 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12575 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12576 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12577 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12578 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12579 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12580 df_reorganize_refs, df_set_state, df_hard_reg_init,
12581 df_read_modify_subreg_p) New public functions.
12582 * df-core.c: The core dataflow solver and glue routines for rtl
12584 (df_init, df_add_problem, df_set_blocks, df_finish,
12585 df_hybrid_search_forward, df_hybrid_search_backward,
12586 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12587 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12588 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12589 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12590 df_reg_defined, df_find_use, df_reg_used, df_dump,
12591 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12592 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12593 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12594 debug_df_useno, reset_df_after_reload): New functions.
12595 * df-scan.c: The scanning fuctions, once in df.c, completely
12596 rewritten so that they now fully model the functionality of
12597 register usage at the backend.
12598 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12599 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12600 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12601 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12602 df_get_artificial_defs, df_get_artificial_uses,
12603 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12604 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12605 df_refs_delete, df_reorganize_refs, df_set_state,
12606 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12607 df_def_record_1, df_defs_record, df_uses_record,
12608 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12609 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12610 df_record_exit_block_uses, df_hard_reg_init): New functions.
12612 * df-problems.c: Seven concrete dataflow problems that use the
12613 scanning in df-scan.c and are solved by the engine in df-core.c.
12614 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12615 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12616 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12617 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12618 df_ru_free_bb_info, df_ru_alloc,
12619 df_ru_bb_local_compute_process_def,
12620 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12621 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12622 df_ru_transfer_function, df_ru_free, df_ru_dump,
12623 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12624 df_rd_free_bb_info, df_rd_alloc,
12625 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12626 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12627 df_rd_transfer_function, df_rd_free, df_rd_dump,
12628 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12629 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12630 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12631 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12632 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12633 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12634 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12635 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12636 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12637 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12638 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12639 df_urec_mark_reg_use_for_earlyclobber,
12640 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12641 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12642 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12643 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12644 df_chain_create_bb_process_use, df_chain_create_bb,
12645 df_chain_finalize, df_chain_free, df_chains_dump,
12646 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12647 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12648 df_reg_lifetime): New functions.
12649 * df.c: Deleted file.
12650 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12651 consistent with new df api.
12652 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12653 rest_of_handle_sms): Ditto.
12654 * web.c (unionfind_union, union_defs, entry_register, web_main):
12656 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12657 invariant_expr_equal_p, find_defs, check_dependencies,
12658 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12659 free_inv_motion_data, move_loop_invariants): Ditto.
12660 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12661 Update dependencies.
12662 (odf.c): Added defective entry that was deleted later in day.
12663 * sched-deps.c (sched_analyze_1): Ditto.
12665 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12667 * tree-ssa-operands.c (get_expr_operands): Record addressable
12668 variables directly. Do not call add_stmt_operands for CONST_DECLs
12670 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12671 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12673 2006-01-11 Ben Elliston <bje@au.ibm.com>
12675 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12676 function returns true in the positive case.
12678 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12681 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12682 for SI, DI, SF and DF modes. Add alternatives to copy between
12683 general and floating point registers to the 32-bit patterns.
12684 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12685 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12686 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12687 generating 64-bit code.
12688 * config/pa/pa.c (output_move_double): Handle copies between general
12689 and floating registers.
12691 2006-01-10 Stuart Hastings <stuart@apple.com>
12693 * config/i386/i386.md (set_got): Update.
12694 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12695 (builtin_setjmp_receiver): Mach-O support.
12696 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12697 (GOT_SYMBOL_NAME): Define.
12698 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12699 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12700 * config/i386/i386.c (override_options): Revise for Darwin.
12701 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12702 support. (darwin_x86_file_end): New. (output_set_got): Add label
12703 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12704 * config/i386/i386-protos.h (output_set_got): Likewise.
12705 * config/darwin.c (machopic_legitimize_pic_address): Update
12708 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12710 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12711 when MODE isn't BLKmode.
12713 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12715 PR rtl-optimization/25367
12716 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12718 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12721 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12722 for a negative bound.
12724 2006-01-10 Richard Guenther <rguenther@suse.de>
12726 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12727 Never override with anything constraint.
12729 2006-01-10 Jan Beulich <jbeulich@novell.com>
12731 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12732 256 bits when optimize_size.
12734 2006-01-10 Jan Beulich <jbeulich@novell.com>
12736 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12738 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12739 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12742 2006-01-10 Ben Elliston <bje@au.ibm.com>
12744 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12746 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12747 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12748 (USE_FP_FOR_ARG): Reject decimal float modes.
12749 (function_arg_advance): Likewise.
12750 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12751 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12752 point types in AltiVec vectors.
12753 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12754 (rs6000_libcall_value): Likewise.
12756 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12758 * config/xtensa/ieee754-df.S: New file.
12759 * config/xtensa/ieee754-sf.S: New file.
12760 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12761 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12762 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12764 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12766 * config/sh/predicates.md (binary_float_operator,
12767 binary_logical_operator, commutative_float_operator,
12768 equality_comparison_operator, greater_comparison_operator,
12769 less_comparison_operator, logical_operator,
12770 noncommutative_float_operator, shift_operator,
12771 symbol_ref_operand, unary_float_operator): Remove redundant
12774 2006-01-09 Jeff Law <law@redhat.com>
12776 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12777 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12778 now unused arguments. Callers updated.
12779 (eliminate_redundant_computations): Remove now unused arguments,
12781 (local_fold): Remove, no longer used.
12782 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12784 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12785 (simplify_cond): New function.
12786 (forward_propagate_into_cond): Call simplify_cond.
12788 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12790 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12791 (*vec_extractv2di_1_sse): New.
12793 2006-01-09 Ben Elliston <bje@au.ibm.com>
12795 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12797 2006-01-08 Richard Guenther <rguenther@suse.de>
12799 * tree-ssa-structalias.c (get_constraint_for): Remove
12800 anyoffset argument.
12801 (get_constraint_for_component_ref): Likewise.
12802 (do_deref): Likewise.
12803 (get_constraint_for): Likewise.
12804 (do_structure_copy): Likewise.
12805 (handle_ptr_arith): Likewise.
12806 (find_func_aliases): Likewise. Remove unused need_anyoffset
12809 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12810 Kaz Kojima <kkojima@gcc.gnu.org>
12812 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12813 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12814 (EXTRA_CONSTRAINT_C16): Remove.
12815 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12816 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12817 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12818 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12819 constants of SHmedia. Handle nested constant expressions of
12821 (andcosts): Fix the costs for SHmedia constants.
12822 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12823 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12824 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12825 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12826 (movv4hi_i, movv2si_i): Likewise.
12827 (movsi_const): Adjust the second operand of ior so to match with
12828 the Csu constraint.
12829 (movdi_const, movdi_const_32bit): Likewise.
12830 (movdi_const_16bit+1): Don't sign-extend LOW.
12831 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12833 (*double_shori): Fix the split condition. Use GEN_INT instead
12834 of get_int_mode calls. Mask lower 16-bit of the argument of
12836 (sym2GOTPLT): Remove.
12837 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12839 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12840 instead of EXTRA_CONSTRAINT_C16.
12842 2006-01-07 Ian Lance Taylor <ian@airs.com>
12843 David Edelsohn <edelsohn@gnu.org>
12845 PR rtl-optimization/25662
12846 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12847 for constant operands instead of simplify_gen_binary.
12848 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12849 after trying simplify_binary_operation
12851 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12853 * tree.c (iterative_hash_expr): Hash decls based on UID.
12855 2006-01-06 Eric Christopher <echristo@apple.com>
12857 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12858 (TARGET_UNWIND_EMIT): Fix spelling.
12859 * target.h (gcc_target): Add except_table_label.
12860 * except.c (output_function_exception_table): Use.
12861 * varasm.c (default_emit_except_table_label): New.
12862 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12864 (asm_out): Add here.
12865 * output.h (default_emit_except_table_label): Prototype.
12866 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12867 * config/darwin.c (darwin_emit_except_table_label): Define.
12868 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12870 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12872 PR tree-optimization/18527
12873 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12874 number_of_iterations_special, number_of_iterations_exit):
12875 Move base and step of an iv to a single structure. Add
12876 no_overflow flag, and use it in # of iterations analysis.
12877 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12878 folded_casts argument.
12879 (simple_iv): Pass base and step in a structure. Set no_overflow
12881 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12882 Evaluate expensiveness of computing # of iterations instead of
12883 the final expression.
12884 * tree-scalar-evolution.h (affine_iv): New structure.
12885 (simple_iv): Declaration changed.
12886 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12887 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12888 find_givs_in_stmt): Changed due to simple_iv change.
12890 2006-01-06 Jeff Law <law@redhat.com>
12893 * tree-cfg.c (bsi_replace): Rename final argument from
12894 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12895 change (stmt -> orig_stmt).
12896 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12897 (bsi_remove): Add new argument. Remove EH information
12899 (verify_eh_throw_table_statements): New function.
12900 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12902 * tree-optimize.c (execute_free_cfg_annotations): Verify
12903 the EH throw statement table after removing annotations.
12904 * except.h (verify_eh_throw_table_statements): Prototype.
12905 * tree-flow.h (bsi_remove): Update prototype.
12906 * tree-vrp.c (remove_range_assertions): Add new argument to
12908 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12909 * tree-complex.c (expand_complex_div_wide): Likewise.
12910 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12911 * tree-tailcall.c (eliminate_tailcall): Likewise.
12912 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12913 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12914 * tree-nrv.c (tree_nrv): Likewise.
12915 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12916 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12917 (combine_blocks): Likewise.
12918 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12919 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12920 (cleanup_control_flow): Likewise.
12921 (remove_forwarder_block): Likewise.
12922 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12923 * tree-sra.c (sra_replace): Likewise.
12924 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12925 (forward_propagate_single_use_vars): Likewise.
12926 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12927 * tree-inline.c (expand_call_inline): Likewise.
12928 * tree-vect-transform.c (vect_transform_loop): Likewise.
12929 * tree-outof-ssa.c (rewrite_trees): Likewise.
12930 * tree-cfg.c (make_goto_expr_edges): Likewise.
12931 (cleanup_dead_labels): Likewise.
12932 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12933 (bsi_move_before, bsi_move_after): Likewise.
12934 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12935 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12937 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12940 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12942 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12943 on non gimple variables. Also add checks at the top for decls and
12945 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12947 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12948 and IMAGPART_EXPR for creating MUST_DEFs.
12949 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12950 and NAME_MEMORY_TAG separately from the DECLs.
12952 2006-01-06 Richard Guenther <rguenther@suse.de>
12954 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12955 annotation, if necessary.
12956 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12957 redundant calls to update_stmt.
12958 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12961 2006-01-05 Richard Henderson <rth@redhat.com>
12963 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12965 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12967 * c-typeck.c: Update copyright date.
12969 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12971 * c-typeck.c (build_c_cast): Always warn when casting
12972 from a pointer to an integer of different size, even if
12973 the node was constant.
12975 2006-01-05 Richard Guenther <rguenther@suse.de>
12977 PR tree-optimization/22555
12978 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12979 if one structure field is an array.
12980 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12981 operands even if we found a subvar, but ignore VOPs in this
12983 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12985 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12987 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12989 PR middle-end/24998
12990 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12992 2006-01-05 Richard Guenther <rguenther@suse.de>
12993 Diego Novillo <dnovillo@redhat.com>
12995 * tree-pass.h (TODO_remove_unused_locals): Define.
12996 * gimple-low.c (expand_var_p, remove_useless_vars,
12997 pass_remove_useless_vars): Remove. Update all users.
12998 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12999 (remove_unused_locals): New function.
13000 * tree-flow.h (remove_unused_locals): Declare.
13001 * passes.c (execute_todo): Call remove_unused_locals if
13002 TODO_remove_unused_locals is set.
13003 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13004 * tree-ssa-dce.c (pass_dce): Likewise.
13005 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13007 2006-01-05 Richard Guenther <rguenther@suse.de>
13009 * tree-flow.h (struct fieldoff): Decompose field to
13010 type, size and decl.
13011 * tree-ssa-alias.c (create_sft): Take type as parameter.
13012 (create_overlap_variables_for): Store type, size and decl
13013 in the fieldoff structure.
13014 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13015 of struct fieldoff.
13016 (push_fields_onto_fieldstack): Likewise.
13017 (create_variable_info_for): Likewise. Use offset for the
13018 SFT name if the decl is not available.
13020 2006-01-04 Paul Brook <paul@codesourcery.com>
13022 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13024 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13026 * lambda-code.c (can_put_in_inner_loop): Relax
13028 (can_put_after_inner_loop): New function.
13029 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13030 (perfect_nestify): Change to make copies and modify uses.
13032 2006-01-04 Richard Henderson <rth@redhat.com>
13034 Merge from gomp branch:
13035 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13036 via integer constant.
13037 (pragma_lex): Remove.
13038 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13039 rather than parsing it.
13040 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13041 handle_pragma_extern_prefix): Add %< %> quotes.
13042 (registered_pragmas): New.
13043 (c_register_pragma_1): New.
13044 (c_register_pragma): Use it.
13045 (c_register_pragma_with_expansion): Likewise.
13046 (c_invoke_pragma_handler): New.
13047 (init_pragma): Use cpp_register_deferred_pragma directly for
13049 * c-pragma.h (enum pragma_kind): New.
13050 (pragma_handler): New.
13051 (c_invoke_pragma_handler): Declare.
13052 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13054 * c-common.h (c_common_pch_pragma): Update decl.
13055 * Makefile.in (c-parser.o): Update dependencies.
13056 (GTFILES): Add c-pragma.h.
13057 * c-parser.c (struct c_token): Add pragma_kind.
13058 (struct c_parser): Add in_pragma.
13059 (c_lex_one_token): Always initialize keyword and pragma_kind.
13060 Extract data for CPP_PRAGMA.
13061 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13062 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13063 Don't allow CPP_PRAGMA_EOL if in_pragma.
13064 (c_parser_consume_pragma): New.
13065 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13066 (c_parser_skip_to_end_of_parameter): Likewise.
13067 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13068 (c_parser_skip_to_pragma_eol): New.
13069 (c_parser_external_declaration): Handle CPP_PRAGMA.
13070 (c_parser_compound_statement_nostart): Likewise.
13071 (c_parser_statement_after_labels): Likewise.
13072 (c_parser_pragma): New.
13073 (pragma_lex): Likewise.
13074 (c_parser_pragma_pch_preprocess): New.
13075 (c_parser_new): Merge into ...
13076 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13078 2006-01-04 Jeff Law <law@redhat.com>
13081 * tree-cfg.c (bsi_replace): Remove the original statement
13082 from the EH throw statement table.
13084 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13086 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13087 make the prototype extern "C" and add throw ().
13090 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13091 and pos non-negative and pos + len <= 32.
13092 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13093 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13094 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13097 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13098 as well as sizes not multiple of component size.
13101 * function.c (instantiate_expr): New function.
13102 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13103 walk its DECL_VALUE_EXPR with instantiate_expr.
13105 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13106 DW_OP_deref{,_size} if address isn't going to be added.
13108 2006-01-04 Ben Elliston <bje@au.ibm.com>
13110 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13111 * config/fp-bit.c: Likewise.
13113 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13115 * dominance.c: Add comment about why we use DFS numbering
13118 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13119 Richard Henderson <rth@redhat.com>
13121 Merge from gomp-branch:
13122 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13123 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13125 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13127 PR rtl-optimization/25578
13128 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13129 pass a parameter to simplify_shift_const if changing ASHIFTRT
13132 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13134 * builtins.c (get_builtin_sync_mem): New function.
13135 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13136 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13137 Call get_builtin_sync_mem to generate mem rtx.
13139 2006-01-03 Richard Guenther <rguenther@suse.de>
13142 * stmt.c (add_case_node): Make sure to clear overflow flags
13145 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13147 Merge from gomp-branch.
13148 * config/sparc/sync.md: New file.
13149 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13150 UNSPECV_LDSTUB): New constants.
13151 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13152 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13153 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13156 2006-01-03 Roger Sayle <roger@eyesopen.com>
13158 * combine.c (reg_subword_p): New predicate to test whether the
13159 destination of a set refers to a subword/piece of a register.
13160 (try_combine): Generalize the code to merge the setting of a
13161 pseudo to a constant followed by a set of a subword of that
13162 register to a constant.
13164 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13166 * basic-block.h (control_flow_graph): Change the type of
13167 x_label_to_block_map to VEC(basic_block,gc) *.
13168 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13169 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13171 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13172 VEC(basic_block,heap) *.
13173 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13174 ssa_prop_fini): Adjust the uses of cfg_blocks.
13176 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13178 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13180 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13181 hashing trees instead of a pointer hash.
13182 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13183 compare for MEM_EXPR.
13185 PR rtl-optimization/25130
13186 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13187 when comparing MEMs for GCSE
13189 2006-01-03 Ben Elliston <bje@au.ibm.com>
13191 * targhooks.h (default_decimal_float_supported_p): Declare.
13192 * targhooks.c (default_decimal_float_supported_p): Define.
13193 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13194 `default_decimal_float_supported_p'.
13195 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13197 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13199 * combine.c (apply_distributive_law <SUBREG>): Check
13200 TRULY_NOOP_TRUNCATION.
13202 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13204 * dwarf2out.c (have_switched_text_section): Delete.
13205 (have_multiple_function_sections): New.
13206 (have_location_lists): Make 'bool'.
13207 (add_AT_loc_list): Use 'true' not '1'.
13208 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13209 (output_loc_list): Use have_multiple_function_sections.
13210 (output_ranges): Likewise.
13211 (dwarf2out_begin_function): Set have_multiple_function_sections if
13213 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13214 Check function_section rather than DECL_SECTION_NAME.
13215 (dwarf2out_finish): Use have_multiple_function_sections.
13216 Don't clear have_location_lists.
13218 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13219 Jan Hubicka <jh@suse.cz>
13221 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13222 case of conditional jump jumping to the next instruction.
13223 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13224 cases of conditional jump jumping to the next instruction.
13226 2006-01-02 Jan Hubicka <jh@suse.cz>
13228 * i386.c (*_cost): Add COSTS_N_INSNS.
13229 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13231 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13234 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13236 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13238 * config/arm/arm.c (all_fpus): Fix comment typo.
13239 * config/darwin.c: Likewise.
13240 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13241 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13242 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13244 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13246 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13247 (rs6000_split_compare_and_swapqhi): New.
13248 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13249 (sync_compare_and_swapqhi_internal): New.
13250 * config/rs6000/rs6000-protos.h: Declare.