1 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4 * optabs.c (expand_doubleword_shift): Wrap the call to
5 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10 * optabs.c (expand_binop): Pass next_methods rather than methods
11 to expand_doubleword_shift.
13 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
16 * tree.h (dump_addr): Declare.
17 * print-tree.c (dump_addr): New function.
18 (print_node_brief, print_node): Use it.
19 * print-rtl.c (print_rtx): Likewise.
20 * common.opt (-fdump-noaddr): New option.
21 * doc/invoke.texi (-fdump-noaddr): Document.
22 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
23 (ve_info_hash): Likewise.
25 2006-07-13 Andrew Haley <aph@redhat.com>
27 PR tree-optimization/19505
28 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
29 edge leaving this block, make sure that the destination of this
30 block has only one predecessor.
32 2006-07-17 Richard Guenther <rguenther@suse.de>
34 PR tree-optimization/28238
35 * tree-inline.c (copy_bb): Check if we produced valid
36 gimple copying and substituting a stmt. If not, gimplify
39 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
41 * optabs.c (maybe_encapsulate_block): New function extracted from...
42 (emit_libcall_block): ...here. Invoke it on the block of insns to
43 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
44 (emit_no_conflict_block): Likewise.
46 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
48 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
50 2006-07-15 Roger Sayle <roger@eyesopen.com>
52 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
53 a new NOP_EXPR case of the switch statement.
55 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
58 * stor-layout.c (place_field): Take the bit field with
59 an excessive size into account in the ms-bitfiled case.
62 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
63 the previous bit field.
65 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
68 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
70 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
72 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
73 signal frames correctly even when the signal was installed with
76 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
78 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
79 (dbxout_function_end): Use local label LFBB. Remove hook
81 (dbxout_source_line): Use local label LFBB.
82 (dbxout_block): Likewise.
83 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
84 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
85 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
88 2006-07-13 Janis Johnson <janis187@us.ibm.com>
90 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
92 2006-07-13 Jan Hubicka <jh@suse.cz>
94 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
96 * output.h (align_variable): Declare.
97 * varasm.c (align_variable): Export.
98 * value-prof.c (tree_value_profile_transformations): Recompute iterator
99 when basic block changed.
101 2006-07-13 Nick Clifton <nickc@redhat.com>
103 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
104 walking the LOG_LINKS chain.
106 2006-07-12 Geoffrey Keating <geoffk@apple.com>
108 * doc/invoke.texi (C++ Dialect Options): Explain difference
109 between -fvisibility-inlines-hidden and setting hidden
110 visibility explicitly.
112 2006-07-12 Eric Christopher <echristo@apple.com>
114 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
115 (stmp-lipo): Depend on libgcc.a.
117 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
119 * tree.c: Fix a comment typo.
121 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
123 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
125 (umulhisi3_r): Likewise.
127 2006-07-12 Paolo Carlini <pcarlini@suse.de>
130 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
131 x < 19, vs wchar_t support.
133 2006-07-12 Nick Clifton <nickc@redhat.com>
135 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
138 2006-07-12 Mike Stump <mrs@apple.com>
140 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
142 2006-07-10 Eric Christopher <echristo@apple.com>
144 * config/t-slibgcc-darwin: Rewrite.
146 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
149 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
152 2006-07-08 Matthias Klose <doko@debian.org>
154 * doc/sourcebuild.texi: Fix typo.
156 2006-07-07 Mike Stump <mrs@apple.com>
158 * toplev.c (process_options): Don't give -ffunction-sections may
159 affect debugging warning for Mach-O.
161 2006-07-07 James E Wilson <wilson@specifix.com>
163 * config/mips/mips.md (cpu): Add sb1a.
164 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
165 addition to sb1. Adjust comments to clarify SB-1A differences from
167 (ir_sb1a_load): New. Modify bypasses to use it.
168 (ir_sb1a_simple_alu): Likewise.
169 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
170 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
171 (mips_issue_rate): Add PROCESSOR_SB1A.
172 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
173 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
174 (TARGET_SB1): Add PROCESSOR_SB1A check.
175 (TUNE_SB1): Likewise.
177 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
178 * config/mips/mips.c (mips_store_data_bypass_p): New.
179 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
182 2006-07-08 Paul Brook <paul@codesourcery.com>
185 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
187 2006-07-07 Richard Guenther <rguenther@suse.de>
190 * tree.h (build_one_cst): Declare.
191 * tree.c (build_one_cst): New function.
192 * tree-ssa-math-opts.c (get_constant_one): Remove.
193 (insert_reciprocals): Use build_one_cst.
194 * fold-const.c (fold_plusminus_mult): Likewise.
196 2006-07-07 Roger Sayle <roger@eyesopen.com>
198 * pointer-set.c (pointer_set_destroy): Correct whitespace.
199 * cfgloopanal.c (dump_graph): Likewise.
200 * dojump.c (discard_pending_stack_adjust): Likewise.
201 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
203 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
204 * function.c (finalize_block_changes): Likewise.
205 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
206 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
207 * rtl.c (dump_rtx_statistics): Likewise.
208 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
210 * varray.c (dump_varray_statistics): Likewise.
211 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
212 decode_decimal64, encode_decimal128, decode_decimal128,
213 decimal_real_to_decimal): Likewise.
215 2006-07-07 Richard Guenther <rguenther@suse.de>
217 PR tree-optimization/28187
218 * tree-vrp.c (vrp_operand_equal_p): New function.
219 (vrp_bitmap_equal_p): Likewise.
220 (update_value_range): Use them to compare old and new
223 2006-07-06 Roger Sayle <roger@eyesopen.com>
225 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
226 a default case to switch statement to silence compiler warnings.
228 2006-07-06 Roger Sayle <roger@eyesopen.com>
231 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
232 the configured assembler supports the x87's ffreep mnemonic.
233 * configure: Regenerate.
234 * config.in: Regenerate.
236 * config/i386/i386.c (output_387_ffreep): New function.
237 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
238 (output_387_reg_move): Likewise.
240 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
242 Port to hosts whose 'sort' and 'tail' implementations
243 treat operands with leading '+' as file names, as POSIX
244 has required since 2001. However, make sure the code still
245 works on pre-POSIX hosts.
246 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
247 which says you should use "tail -c +N" rather than "tail +Nc".
248 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
250 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
252 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
255 2006-07-06 David Edelsohn <edelsohn@gnu.org>
258 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
259 PRE_{INC,DEC} of TFmode.
261 2006-07-06 David Edelsohn <edelsohn@gnu.org>
262 Alan Modra <amodra@bigpond.net.au>
265 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
268 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
271 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
272 Remove duplicate gtu.
274 2006-07-05 Jason Merrill <jason@redhat.com>
278 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
279 * c-common.c (handle_packed_attribute): So don't copy it here.
280 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
282 2006-07-05 Mike Stump <mrs@apple.com>
284 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
286 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
289 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
291 2006-07-05 Richard Guenther <rguenther@suse.de>
294 * config/i386/i386.md (*negdf2_1): Restrict pattern to
295 TARGET_SSE2 targets if using SSE math.
296 (*absdf2_1): Likewise.
298 2006-07-05 Richard Guenther <rguenther@suse.de>
300 PR tree-optimization/28162
301 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
302 make sure to convert the operands to the correct type.
304 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
306 PR tree-optimization/28218
308 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
309 to calculate and free the dominator information.
311 2006-07-04 Peter O'Gorman <peter@pogma.com>
313 * mklibgcc.in: chmod 644 before ranlib during install.
315 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
316 J"orn Rennecke <joern.rennecke@st.com>
318 * configure.ac (.eh_frame data check): Use diff -b.
320 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
323 * Makefile.in (BUILD_RTL): Add build/vec.o.
324 (build/gencondmd.o): Filter out -fkeep-inline-functions.
325 (build/genextract): Delete.
326 (build/genautomata): Likewise.
328 2006-07-04 Alan Modra <amodra@bigpond.net.au>
331 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
332 128-bit IBM long doubles for ABI_V4.
334 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
336 * tree.c (range_in_array_bounds_p): New predicate.
337 * tree.h (range_in_array_bounds_p): Declare it.
338 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
339 return a less conservative answer.
340 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
342 (IS_ELEMENT_FOR_GROUP): New macro.
343 (FOR_EACH_ACTUAL_CHILD): Likewise.
344 (next_child_for_group): New helper function.
345 (can_completely_scalarize_p): Take into account groups.
346 (sra_hash_tree): Handle RANGE_EXPR.
347 (sra_elt_eq): Likewise.
348 (lookup_element): Be prepared for handling groups.
349 (is_valid_const_index): Delete.
350 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
351 instead of is_valid_const_index.
352 <ARRAY_RANGE_REF>: New case.
353 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
354 is_valid_const_index.
355 <ARRAY_RANGE_REF>: Do not unconditionally punt.
356 (scan_dump): Dump info for groups too.
357 (decide_instantiation_1): Likewise.
358 (decide_block_copy): Assert that the element is not a group.
359 Propagate decision to groups.
360 (generate_one_element_ref): Handle RANGE_EXPR.
361 (mark_no_warning): Iterate over actual childs.
362 (generate_copy_inout): Likewise.
363 (generate_element_copy): Likewise.
364 (generate_element_zero): Likewise.
365 (generate_element_init_1): Likewise.
366 (dump_sra_elt_name): Handle RANGE_EXPR.
368 2006-07-03 Roger Sayle <roger@eyesopen.com>
370 PR tree-optimization/26251
371 * tree-ssa-threadupdate.c (redirection_block_p): New function.
372 (thread_block): When optimizing for size refuse to thread jumps
373 that would require duplication of blocks other than redirection
376 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
378 * configure.ac: Fix thinko in previous check-in.
379 * configure: Regenerate.
381 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
384 * configure.ac (for lang...): Simplify nesting of conditionals.
385 Test subdir_requires for non-enabled languages. Move processing
386 of lang_opt_files and lang_tree_fiels below that test.
387 * configure: Regenerate.
388 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
390 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
392 * doc/gcov.texi (Invoking Gcov): Add a missing word.
394 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
396 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
399 2006-06-29 Jason Merrill <jason@redhat.com>
406 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
407 * c-common.c (c_determine_visibility): Handle it here.
408 * c-decl.c (finish_decl): Call c_determine_visibility for
410 * flags.h (enum symbol_visibility): Sort from most to least visibility.
412 * varasm.c (default_assemble_visibility): Likewise.
413 * c-common.c (handle_visibility_attribute): Complain about trying
414 to give visibility to an already defined class, or trying to change
415 declared visibility. Always attach the attribute.
420 * attribs.c (decl_attributes): Ignore type-in-place attributes
421 once the type has been defined.
423 2006-06-29 Roger Sayle <roger@eyesopen.com>
426 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
427 to indicate the cpplib has issued an error message for us.
429 2006-06-29 Asher Langton <langton2@llnl.gov>
432 * config/i386/i386.c (ix86_output_function_epilogue): Don't
433 insert a label at the end of an function under Mach-O.
435 2006-06-29 Eric Christopher <echristo@apple.com>
436 Evan Cheng <evan.cheng@apple.com>
438 * predicates.md (vector_all_ones_operand): New.
439 (nonimmediate_or_sse_const_operand): Ditto.
440 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
441 * config/i386/i386.c (standard_sse_constant_opcode): Define.
442 (standard_sse_mode_p): Ditto.
443 (standard_sse_constant_p): Add case for -1 vector.
444 (ix86_expand_vector_move): Try to use.
445 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
446 Call standard_sse_constant_opcode.
447 (*movv4sf_internal): Ditto.
448 (*movv2df_internal): Ditto.
450 2006-06-29 Roger Sayle <roger@eyesopen.com>
452 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
453 of XEXP to extract the operands of a MATCH_CODE rtx.
455 2006-06-28 Andrew Pinski <pinskia@gmail.com>
457 * tree.c (tree_size): Do not waste tail padding in
458 struct tree_string and make the size be the same as
459 build_string will generate.
461 2006-06-28 Jason Merrill <jason@redhat.com>
464 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
465 may_aliases already in the tag's annotations to the bitmap.
467 2006-06-28 Roger Sayle <roger@eyesopen.com>
469 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
471 2006-06-28 Roger Sayle <roger@eyesopen.com>
473 * genpreds.c (generate_switch_p): New function.
474 (add_mode_tests): Push the new mode test down inside an AND expr
475 if this allows the switch-suitable MATCH_CODE to be near the root.
476 (write_match_code_switch): New function to write a MATCH_CODE as
478 (write_predicate_stmts): New function to write a predicate RTX
479 expression as a sequence of statements.
480 (write_one_predicate_function): Use write_predicate_stmts.
481 (write_tm_constrs_h): Likewise.
483 2006-06-26 Fred Fish <fnf@specifix.com>
485 * config/mips/t-sb1: New file.
486 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
489 2006-06-26 DJ Delorie <dj@redhat.com>
491 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
493 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
494 Jayant Sonar <jayants@kpitcummins.com>
495 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
497 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
498 (subsi3, subsi3_1, subsi3_2): New.
499 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
500 * config/m32c/mov.md (SI mov peephole): New.
501 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
502 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
504 2006-06-26 Olivier Hainque <hainque@adacore.com>
506 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
507 a CALL_EXPR target function declaration.
509 2006-06-26 Richard Guenther <rguenther@suse.de>
511 * tree.c (build_string): Do not waste tail padding in
514 2006-06-26 Richard Guenther <rguenther@suse.de>
516 * ggc-page.c (init_ggc): Add missing element to size_lookup
520 2006-06-23 Richard Guenther <rguenther@suse.de>
522 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
523 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
524 alignment requests instead. Add verification code.
525 Add struct tree_function_decl and struct tree_binfo size to
526 extra_order_size_table. Add missing element to size_lookup
529 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
532 * fold-const.c (const_binop): Be prepared for self returning zero.
533 Simplify code handling complex values.
535 2006-06-24 Olivier Hainque <hainque@adacore.com>
537 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
538 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
541 2006-06-24 Olivier Hainque <hainque@adacore.com>
543 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
544 ARRAY_REF, so have the callback called for the low bound expression.
546 2006-06-23 Janis Johnson <janis187@us.ibm.com>
548 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
549 * c-typeck.c (c_common_type): Disallow operations on decimal float
550 types and other float types.
551 * convert.c (convert_to_real): Don't ignore conversions involving
554 2006-06-23 Olivier Hainque <hainque@adacore.com>
556 * tree.c (max_int_size_in_bytes): New function, inspired from
557 code in function.c:assign_temp.
558 * tree.h (max_int_size_in_bytes): Declare.
559 * function.c (assign_temp): Use it.
560 * gimplify.c (create_tmp_var): Relax the assertions on the type
561 properties, not mandating constant size any more.
562 (force_constant_size): New static function.
563 (gimple_add_tmp_var): Use it, forcing variable size to a
564 constant upper bound if it is not constant on entry.
566 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
569 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
570 for initialization and setting of one_only flag to ...
571 (i386_pe_encode_section_info): ...here.
572 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
573 Recheck that the symbol has not been defined.
575 2006-06-23 Richard Guenther <rguenther@suse.de>
577 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
578 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
579 alignment requests instead. Add verification code.
580 Add struct tree_function_decl and struct tree_binfo size to
581 extra_order_size_table. Add missing element to size_lookup
584 2006-06-22 Roger Sayle <roger@eyesopen.com>
585 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
588 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
589 call to lang_hooks.types.type_for_mode returned NULL_TREE.
591 2006-06-23 Ben Elliston <bje@au.ibm.com>
593 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
594 negate dn -- manipulate it directly.
596 2006-06-22 Roger Sayle <roger@eyesopen.com>
597 Steven Bosscher <stevenb.gcc@gmail.com>
600 * reload1.c (gen_reload): Call mark_jump_label on the new insns
601 generated by gen_move_insn to add REG_LABEL notes if necessary.
603 2006-06-22 Bob Wilson <bob.wilson@acm.org>
605 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
606 (leaf_entry): Remove use of MIN_ESA.
608 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
610 PR rtl-optimization/28121
611 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
614 2006-06-21 DJ Delorie <dj@redhat.com>
616 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
618 (mulhisi3_r): Likewise.
620 2006-06-21 Richard Sandiford <richard@codesourcery.com>
623 * coverage.c (coverage_counter_alloc): Leave the index type
625 (coverage_counter_alloc): Use null arguments for operands 2 and 3
628 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
630 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
631 section from the "Options for Code Generation Conventions".
633 2006-06-21 Richard Henderson <rth@redhat.com>
637 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
639 (global_symbolic_operand): Allow weak symbols, even if local_p.
641 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
643 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
644 (find_interesting_uses_address): Punt if above function returns true.
646 2006-06-21 Richard Guenther <rguenther@suse.de>
648 * configure: Regenerated.
650 2006-06-21 Joseph Myers <joseph@codesourcery.com>
652 * config/mips/mips.c (function_arg): Where one part of a
653 complex argument is in registers and the other part in the stack,
654 return a REG not a PARALLEL.
656 2006-06-21 Mark Mitchell <mark@codesourcery.com>
658 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
659 when cross-compiling. Do not substitute libstdcxx_incdir.
660 * configure: Regenerated.
662 2006-06-21 Jakub Jelinek <jakub@redhat.com>
664 * varasm.c (mergeable_string_section): Check for embedded NULs and
665 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
666 rather than TREE_STRING_LENGTH bytes.
668 2006-06-21 Richard Guenther <rguenther@suse.de>
670 * ggc-page.c (extra_order_size_table): Add var_ann_d,
671 tree_ssa_name, bitmap_element and phi_node with 4 arguments
674 2006-06-21 Richrad Guenther <rguenther@suse.de>
676 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
677 Limit iteration over the dominators.
679 2006-06-20 Roger Sayle <roger@eyesopen.com>
681 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
682 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
684 2006-06-20 Richard Guenther <rguenther@suse.de>
685 Michael Matz <matz@suse.de>
687 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
689 * alloc-pool.c (free_alloc_pool_if_empty): New function.
690 * et-forest.h (et_free_pools): Prototype new function.
691 * et-forest.c (et_free_tree_force): Free parent occurrence.
692 (et_free_pools): New function.
693 * dominance.c (free_dominance_info): Free et-forest alloc
696 2006-06-20 Roger Sayle <roger@eyesopen.com>
698 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
699 integer modes, attempt to directly construct an integer constant.
701 * fold-const.c (native_encode_vector): Determine the size of each
702 element from the vector type instead of the first vector element.
704 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
705 if all of its elements/components are constant.
706 (build_constructor_from_list): Likewise.
708 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
710 PR tree-optimization/27331
711 * tree-data-ref.c (free_data_ref): New function.
712 (create_data_ref): Fail if the data reference has unknown access
714 (free_data_refs): Use free_data_ref.
716 2006-06-19 Andrew Pinski <pinskia@gmail.com>
719 * tree-inline.c (setup_one_parameter): Strip useless
720 type conversion before adding it to the IR.
721 (declare_return_variable): Likewise.
723 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
726 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
728 2006-06-19 Mike Stump <mrs@apple.com>
730 * tree.c (variably_modified_type_p): VM arguments don't make the
733 2006-06-19 Richard Guenther <rguenther@suse.de>
735 * tree-ssa-pre.c (try_combine_conversion): Strip useless
736 type conversions after folding.
738 2006-06-19 Richard Guenther <rguenther@suse.de>
740 * ggc-page.c (extra_order_size_tab): Add entries with
741 size of struct function and basic_block.
742 (size_lookup): Extend to cover sizes up to 511.
743 (ggc_alloc_stat): Adjust user.
744 (ggc_pch_count_object): Likewise.
745 (ggc_pch_alloc_object): Likewise.
746 (ggc_pch_write_object): Likewise.
748 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
750 * tree-ssa-loop-niter.c (implies_ge_p): New function.
751 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
754 2006-06-19 Denis Chertykov <denisc@overta.ru>
756 * config/avr/libgcc.S : Correct my wrong previous commit.
758 2006-06-19 Roger Sayle <roger@eyesopen.com>
761 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
762 have stripped a SUBREG from the shift count, so we may need to
763 convert_to_mode back to the type's mode before calling make_tree.
764 Use new_amount instead of amount to avoid expanding a tree twice.
766 2006-06-19 Richard Guenther <rguenther@suse.de>
769 * fold-const.c (operand_equal_p): Check if the argument types
770 have the same precision before stripping NOPs.
772 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
774 Fix PR tree-optimization/27341
775 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
777 * tree-complex.c (pass_lower_complex): Update SMT usage.
779 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
781 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
782 Add a new alternative to the constraint strings. Add move of
783 operand 1 to 3 to the splitter definition.
784 ("doloop_si_long"): Second contraint alternative removed.
786 2006-06-08 Anatoly Sokolov <aesok@post.ru>
788 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
789 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
791 (AVR_HAVE_MOVW) Define.
792 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
793 (ASM_SPEC): Add avr25.
794 (LINK_SPEC): Add avr25.
795 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
796 (base_arch_s): Add new member 'have_movw_lpmx'.
797 (avr_arch_types): Init 'have_movw_lpmx'.
798 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
799 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
800 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
801 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
802 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
804 (avr_file_start): Do not output '.arh' derective.
805 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
806 (__do_copy_data): Use __AVR_HAVE_LPMX__.
807 * config/avr/avr.md (mcu_enhanced): Delete.
808 (mcu_have_movw): Define.
809 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
810 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
811 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
812 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
813 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
814 attiny861 and at86rf401 devices.
816 2006-06-18 Jie Zhang <jie.zhang@analog.com>
818 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
821 2006-06-17 Karl Berry <karl@gnu.org>
823 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
824 doc/gccint.texi, doc/install.texi (@dircategory): Use
825 "Software development" instead of "Programming", following
826 the Free Software Directory.
828 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
830 * config/i386/i386.c (legitimate_tls_address)
831 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
832 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
833 (*tls_dynamic_gnu2_combine_64): Likewise.
835 2006-06-16 Richard Guenther <rguenther@suse.de>
838 * fold-const.c (negate_expr_p): Do not introduce undefined
839 overflow in negating INTEGER_CSTs.
840 (fold_negate_expr): Rename from negate_expr. Revert last
841 change for folding BIT_NOT_EXPR. Change semantics to
842 return NULL_TREE for non-simplified negations. Do not
843 strip type conversions and unify type handling.
844 (negate_expr): New function, wrap around fold_negate_expr
845 but ensure building a tree always. Strip type conversions
846 here, fold to result type.
847 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
849 2006-06-16 Roger Sayle <roger@eyesopen.com>
852 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
853 that (would) return their results in stack registers.
855 2006-06-16 Michael Matz <matz@suse.de>
856 Richard Guenther <rguenther@suse.de>
858 * fold-const.c (fold_truthop): Only return new tree node if
859 we canonicalized something.
861 2006-06-16 Richard Guenther <rguenther@suse.de>
863 * function.h (enum function_frequency): Move declaration
864 out of struct function.
865 (struct function): Move bool fields and the enum to the bitfield
866 section. Reorder elements to avoid padding. Remove unused
867 fields left over from the RTL inliner removal.
868 * function.c (free_after_compilation): Do not zero removed fields.
869 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
870 (ipa-type-escape.o): Likewise.
872 2006-06-16 Richard Guenther <rguenther@suse.de>
874 * cgraph.h (struct cgraph_local_info): Turn bool elements
876 (struct cgraph_node): Likewise.
877 (struct cgraph_varpool_node): Likewise.
879 2006-06-15 Richard Guenther <rguenther@suse.de>
881 * fold-const.c (fold_truth_not_expr): Rename from
882 invert_truthvalue. Give it fold_* semantics to avoid
884 (invert_truthvalue): New function. Wrapper around
886 (optimize_minmax_comparison): Avoid creating garbage.
887 (fold_unary): Use fold_truth_not_expr for folding
889 (fold_ternary): Replace uses of invert_truthvalue with
890 fold_truth_not_expr where applicable.
891 * tree.h (fold_truth_not_expr): Prototype.
893 2006-06-16 Richard Guenther <rguenther@suse.de>
895 PR tree-optimization/27781
896 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
897 * ipa-pure-const.c (target.h): Include.
898 (analyze_function): Do not analyze functions that do not
901 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
904 * tree-dfa.c (referenced_vars_dup_list): Remove.
905 (find_referenced_vars): Remove assert.
906 (referenced_var_check_and_insert): Replace dup list with assert.
907 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
908 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
910 2006-06-15 Richard Guenther <rguenther@suse.de>
912 * tree-ssa-structalias.c (alias_get_name): Avoid creating
913 extra unused identifiers if not dumping.
914 (create_variable_info_for): Likewise.
916 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
918 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
919 (derive_constant_upper_bound): Derive more precise upper bound in
920 common cases. Return type changed to double_int.
921 (record_estimate): Reflect the changed return type of
922 derive_constant_upper_bound.
923 * double-int.c (double_int_zext, double_int_sext): Fix.
925 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
927 * configure.ac (CFLAGS): Get them from the toplevel or from the
928 configure invocation.
929 * configure: Regenerate.
930 * Makefile.in (CFLAGS): Substitute value provided by configure.
932 2006-06-14 Mark Mitchell <mark@codesourcery.com>
935 * c-common.h (c_finish_omp_atomic): Adjust declaration.
936 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
937 rather than calling add_stmt on it.
938 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
940 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
943 * reload1.c (reload): Remove registers returned by update_eliminables
944 from used_spill_regs.
946 2006-06-13 DJ Delorie <dj@redhat.com>
948 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
950 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
952 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
953 html__strip_dir, html__mkdir_p. Enhance install-html target.
954 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
955 * configure: Regenerate.
957 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
959 * fold-const.c (fold_cond_expr_with_comparison): Check for
960 Objective-C++ as language in deciding COND_EXPR transformation.
962 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
965 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
966 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
967 * config/sh/lib1funcs.h (SL, SL1): Define.
968 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
969 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
970 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
971 (OBJS_Os_4_200): New variable.
972 ($(T)libgcc-Os-4-200.a): Use it.
973 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
974 when dividing 1 and/or by 0.
976 2006-06-13 Roger Sayle <roger@eyesopen.com>
978 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
979 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
980 * configure: Regenerate.
982 2006-06-13 Jie Zhang <jie.zhang@analog.com>
984 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
985 for real instruction.
987 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
990 * haifa-sched.c (check_cfg): Handle special case.
992 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
995 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
996 Add debug_info parameter. Chain the vars to the BLOCK instead
997 of the BIND_EXPR if debug info are requested for them.
998 (pop_gimplify_context): Adjust for above change.
999 (gimple_add_tmp_var): Likewise.
1000 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1002 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1003 (convert_local_reference): Likewise.
1004 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1005 (finalize_nesting_tree_1): Request that debug info be emitted
1006 for debug_var_chain.
1008 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1010 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1011 for PR target/27863.
1013 2006-06-13 Richard Guenther <rguenther@suse.de>
1016 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1018 2006-06-13 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/27830
1021 * tree-inline.c (copy_body_r): For copying the operand
1022 of an ADDR_EXPR make sure to fold &* afterwards.
1024 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1026 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1027 lvalues in the fb_none case with side-effects.
1029 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1031 * tree-flow.h: Remove the prototype for
1032 compute_phi_arg_on_exit.
1033 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1034 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1037 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1039 * builtins.c (expand_builtin_return_addr): Only use
1040 frame_pointer_rtx when count == 0 and we are expanding
1041 __builtin_return_address.
1043 2006-06-12 Fred Fish <fnf@specifix.com>
1045 * config/mips/mips.c (mips_file_start): Create special section
1046 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1048 2006-06-11 Eric Christopher <echristo@apple.com>
1051 * stor-layout.c (place_field): Remove check for
1052 remaining_in_alignment when aligning at the end of a run.
1054 2006-06-11 Eric Christopher <echristo@apple.com>
1057 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1060 2006-06-11 Roger Sayle <roger@eyesopen.com>
1063 Revert incorrect fix for PR target/27158
1064 2006-05-08 Roger Sayle <roger@eyesopen.com>
1065 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1066 of a reg_equiv_constant if the result is a legitimate constant.
1068 2006-06-11 Roger Sayle <roger@eyesopen.com>
1071 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1072 extract a CONST_VECTOR element and interpret it as an integer.
1073 (vspltis_constant): Use const_vector_elt_as_int instead of the
1074 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1075 * config/rs6000/predicates.md (easy_vector_const): Consider
1076 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1078 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1081 * stor-layout.c (update_alignment_for_field): Don't add extra
1082 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1085 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1087 * config/mips/t-rtems: Add EL/EB multilib variants.
1089 2006-06-09 Mike Stump <mrs@apple.com>
1091 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1093 2006-06-09 David Daney <ddaney@avtrex.com>
1095 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1097 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1099 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1101 2006-06-09 Richard Guenther <rguenther@suse.de>
1103 PR tree-optimization/26998
1104 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1105 of signed types, only TYPE_MIN_VALUE is special, but for both,
1106 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1107 in this case, as is -fwrapv.
1109 2006-06-08 Mike Stump <mrs@apple.com>
1112 * config/darwin.c (darwin_asm_output_anchor): Disable
1113 -fsection-anchors on darwin for now.
1114 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1115 * rs6000/rs6000.c (optimization_options): Likewise.
1117 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1120 * config/i386/i386.c (classify_argument): Skip fields with invalid
1123 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1125 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1126 (cse_insn): Likewise for the stack_pointer_rtx.
1128 2006-06-08 Roger Sayle <roger@eyesopen.com>
1130 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1131 conditions from floating point comparisons.
1133 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1136 * expmed.c (struct alg_hash_entry): Fix type of field T
1137 to match synth_mult argument.
1138 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1140 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1143 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1146 2006-06-08 Richard Guenther <rguenther@suse.de>
1149 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1150 only, if overflow is defined and not trapping.
1151 (negate_expr): Likewise.
1153 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1155 PR tree-optimization/27872
1156 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1157 flag on the new exit edge of the unrolled loop.
1159 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1161 PR rtl-optimization/26449
1162 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1164 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1167 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1168 referenced_variables with matching DECL_UID's.
1169 (find_referenced_vars): Make sure duplicate list is empty to start.
1170 (referenced_var_p): Remove.
1171 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1172 Check if var is in the list, and add if needed. Update the duplicate
1173 list if a different var is in the list with the same DECL_UID.
1174 (add_referenced_var): Call routine to check and insert.
1175 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1176 * tree-flow.h (referenced_vars_dup_list): External declaration.
1178 2006-06-07 Fred Fish <fnf@specifix.com>
1180 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1183 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1186 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1187 the imaginary and real parts of a clobbered register.
1188 Emit insn to set the imaginary part.
1190 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1192 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1193 in lieu of unwind-dw2-fde.c.
1195 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1197 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1199 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1202 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1203 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1204 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1205 V4SImode temporaries and operations instead.
1207 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1209 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1212 2006-06-06 Mike Stump <mrs@apple.com>
1214 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1215 installing during build.
1217 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1219 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1221 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1222 * config/ia64/ia64.c (params.h): New header.
1223 (ia64_optimization_options): New function to adjust parameters.
1224 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1225 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1226 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1228 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1230 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1232 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1235 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1237 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1238 Victor Kaplansky <victork@il.ibm.com>
1240 PR tree-optimization/26360
1241 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1244 2006-06-04 Roger Sayle <roger@eyesopen.com>
1245 Andrew Pinski <pinskia@physics.uc.edu>
1248 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1249 for LABEL_DECL before calling DECL_WEAK.
1252 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1253 LABEL_DECL and PARM_DECL.
1255 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1259 * c-decl.c (grokdeclarator): Disallow variably modified types at
1260 file scope. Avoid marking shared array type of constant size as
1263 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1266 * c-common.c (fold_offsetof_1): Handle static members.
1268 2006-06-04 Eric Christopher <echristo@apple.com>
1270 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1271 (debug_rli): Output value for remaining_in_alignment.
1272 (update_alignment_for_field): Unconditionalize
1273 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1274 extra alignment code.
1275 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1276 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1277 * tree.h (record_layout_info_s): Remove prev_packed.
1278 * doc/extend.texi (ms_struct): Add documentation of format.
1280 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1282 * tree.h: Declare folding_initializer.
1283 * builtins.c (fold_builtin_constant_p): Give definite answer
1284 if folding inside an initializer.
1285 * fold-const.c: Define folding_initializer.
1286 (START_FOLD_INIT): Save and then set folding_initializer.
1287 (END_FOLD_INIT): Restore folding_initializer.
1289 2006-06-04 Richard Guenther <rguenther@suse.de>
1291 PR tree-optimization/27039
1292 * fold-const.c (fold_comparison): Handle pointer comparison
1293 again for all comparison codes. Compare offsets in signed
1295 (fold_binary): Move code from here.
1297 2006-06-03 Roger Sayle <roger@eyesopen.com>
1300 * config/i386/i386.c (construct_container): Split static issued_error
1301 flag into issued_sse_arg_error, issued_sse_ret_error and
1302 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1303 requires the use of x87 registers and the user explicitly
1304 specified the -mno-80387 command line option.
1306 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1308 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1309 HAVE_DECL_SIGALTSTACK.
1311 (segv_handler): Use MC_FLD.
1312 * configure.ac: Check for a sigaltstack declaration.
1313 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1314 * configure: Regenerate.
1315 * config.in: Regenerate.
1317 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1320 * Makefile.in (stmp-fixinc): Fix typo.
1322 2006-06-02 Roger Sayle <roger@eyesopen.com>
1324 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1325 are type correct. Clean-up.
1326 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1327 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1329 2006-06-01 DJ Delorie <dj@redhat.com>
1331 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1332 shift, as we've disabled the "switch" insn that needs it.
1334 2006-06-01 Per Bothner <bothner@bothner.com>
1336 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1337 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1338 * c-ppoutput.c (cb_define): Don't increment line 0.
1340 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1342 * doc/invoke.texi: Add cpu_type power6.
1343 * config.gcc: Add cpu_type power6.
1344 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1345 to power5+ with Altivec.
1346 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1347 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1349 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1351 * config/avr/avr.h (SET_ASM_OP): Define.
1353 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1355 * config/bfin/bfin.c: Fix comment typos.
1357 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1360 * doc/install.texi: Document --enable-bootstrap and
1361 --disable-bootstrap.
1363 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1365 * doc/install.texi: Document that InfoZIP can replace jar.
1367 2006-05-31 Roger Sayle <roger@eyesopen.com>
1369 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1370 isn't available, directly generate the simpler x87 patterns without
1371 the (use (const_int 0)).
1372 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1373 implementation isn't available.
1374 (*negdf2_1): Likewise.
1375 (*negxf2_1): XF mode negation is always done using the x87.
1376 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1378 2006-05-31 Roger Sayle <roger@eyesopen.com>
1380 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1381 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1383 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1385 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1387 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1388 * config/bfin/bfin.c (basic-block.h): Include.
1389 (struct machine_function): New.
1390 (bfin_init_machine_status): New.
1391 (override_options): Initialize init_machine_status.
1392 (bfin_hardware_loop): New.
1393 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1394 (DEF_VEC_P (loop_info)): New.
1395 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1396 (struct loop_info): New.
1397 (loop_info): New typedef.
1398 (struct loop_work): New.
1399 (loop_work): New typedef.
1400 (DEF_VEC_O (loop_work)): New.
1401 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1402 (bfin_dump_loops): New.
1403 (bfin_bb_in_loop): New.
1404 (bfin_scan_loop): New.
1405 (bfin_optimize_loop): New.
1406 (bfin_reorg_loops): New.
1407 (bfin_reorg): Use bfin_reorg_loops.
1408 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1410 (I_REGNO_P): Simplify.
1411 (DP_REGNO_P, DPREG_P): New macros.
1412 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1413 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1414 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1415 Add LT_REGS, LC_REGS, LB_REGS.
1416 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1418 (REGNO_REG_CLASS): Deal with loop registers.
1419 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1421 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1422 New constants for loop registers.
1423 (UNSPEC_LSETUP_END): New.
1424 (seq_insns): New define_attr. Set it for appropriate insns.
1425 (movsi_insn): Add alternatives for move from/to
1426 loop count registers.
1427 (doloop_end): New define_expand.
1428 (loop_end): New define_insn.
1429 (define_split for bad doloop_end): New.
1430 (lsetup_with_autoinit): New define_insn.
1431 (lsetup_without_autoinit): New define_insn.
1432 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1433 * config/bfin/predicates.md (lc_register_operand): New.
1434 (lt_register_operand): New.
1435 (lb_register_operand): New.
1436 (nondp_register_operand): New.
1437 (nondp_reg_or_memory_operand): New.
1438 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1440 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1442 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1443 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1445 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1447 * Makefile.in (CATALOGS): Add po/ prefix.
1448 * configure: Regenerated.
1450 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1453 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1454 a shift operand before calling shift_op. Avoid redundant call of
1457 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1458 DJ Delorie <dj@redhat.com>
1460 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1461 we're inserting is a singlt-bit constant.
1463 2006-05-30 Roger Sayle <roger@eyesopen.com>
1465 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1466 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1468 2006-05-30 Roger Sayle <roger@eyesopen.com>
1470 PR tree-optimization/23452
1471 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1472 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1473 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1474 complex values and with -ffast-math for FP complex values.
1476 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1478 * c-common.h: Remove the prototype for yyparse.
1479 * rtl.h: Remove the prototype for init_loop.
1481 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1483 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1486 2006-05-30 Roger Sayle <roger@eyesopen.com>
1488 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1490 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1491 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1493 2006-05-30 Dirk Mueller <dmueller@suse.de>
1496 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1497 for CONSTANT_CLASS_P expresisons.
1499 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1502 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1504 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1506 PR tree-optimization/27779
1507 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1508 initial_condition instead of CHREC_LEFT.
1510 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1512 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1513 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1514 Make prototypes ISO C90.
1516 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1517 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1519 * see.c (see_analyze_one_def): Correct check.
1520 (see_get_extension_data): Check if extension is parallel.
1521 (see_get_extension_reg): Likewise.
1523 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1526 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1527 into register for (code == GTU).
1529 2006-05-29 Roger Sayle <roger@eyesopen.com>
1531 PR tree-optimization/24964
1532 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1533 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1534 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1535 abs(x)*abs(x) as x*x for scalar floating point modes.
1537 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1540 * lambda-code.c (perfect_nestify): Don't copy statements
1541 in the inner loop: move them to the inner loop header.
1543 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1546 * c-tree.texi: Document OpenMP directives and clauses.
1548 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1550 * varasm.c (globalize_decl): Fix indentation.
1552 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1555 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1556 pass_fre, pass_store_ccp, pass_copy_prop,
1557 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1558 pass_return_slot, pass_object_size, pass_lim,
1559 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1560 pass_loop_prefetch and pass_stdarg.
1562 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1564 * config/bfin/bfin.opt (mfdpic): New option.
1565 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1566 (EXTRA_MULTILIB_PARTS): Likewise.
1567 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1568 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1570 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1571 (CRT_CALL_STATIC_FUNCTION): New.
1572 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1574 (CRT_CALL_STATIC_FUNCTION): New.
1575 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1577 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1578 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1579 (initialize_trampoline): Changed to handle FD-PIC code generation.
1580 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1581 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1582 (override_options): Disallow -mid-shared-library -mfdpic combination.
1583 Can't do unaligned ops if FD-PIC.
1584 Turn off flag_pic if trying to generate non-id-shared-library
1585 non-fdpic code, since it's not supported.
1586 (bfin_assemble_integer): New function.
1587 (TARGET_ASM_INTEGER): Define.
1588 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1590 * config/bfin/crtn.s: Restore them.
1591 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1593 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1594 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1595 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1596 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1597 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1599 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1600 FDPIC_REGS and FDPIC_FPTR_REGS.
1601 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1602 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1603 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1604 (load_funcdescsi): New pattern.
1605 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1606 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1607 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1609 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1611 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1614 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1616 * tree-flow.h: Remove the prototype for add_type_alias.
1617 * tree-ssa-alias.c (add_type_alias): Remove.
1619 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1621 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1622 config/fr30/fr30.md, config/i386/i386-interix.h,
1623 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1624 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1625 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1626 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1627 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1628 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1629 Follow spelling conventions.
1630 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1631 Follow spelling conventions.
1633 2006-05-27 Richard Guenther <rguenther@suse.de>
1636 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1637 to produce a constant of value 1 of generic type.
1639 2006-05-27 Dirk Mueller <dmueller@suse.de>
1641 * cgraphunit.c (decide_is_function_needed): Fix wrong
1644 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1646 PR rtl-optimization/27661
1647 * reload.c (find_reloads): When reloading a VOIDmode constant
1648 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1649 use Pmode as mode of the reload register.
1651 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1653 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1654 is enabled at -O and above.
1656 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1659 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1662 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1665 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1666 for anonymous variables explicitly declared by front ends.
1668 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1670 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1671 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1672 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1673 ref-all pointers, run a finalization pass for them.
1674 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1675 (finalize_ref_all_pointers): New function.
1676 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1677 regular pointer type to a ref-all pointer type.
1678 (get_tmt_for): Return the special memory tag for ref-all pointers.
1680 2006-05-25 Richard Guenther <rguenther@suse.de>
1683 * fold-const.c (fold_binary): Do not look at the stripped
1684 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1686 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1688 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1689 for LT and GT if the computed range is effectively empty.
1691 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1694 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1695 mips_quad_format formats instead of ieee_single_format,
1696 ieee_double_format and ieee_quad_format formats, respectively.
1698 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1700 PR tree-optimization/27639
1701 PR tree-optimization/26719
1702 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1703 call to scev_probably_wraps_p.
1704 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1705 used_in_pointer_arithmetic_p, convert_step): Removed.
1706 (nowrap_type_p): New function.
1707 (scev_probably_wraps_p): Rewritten.
1708 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1709 chrec_convert if chrec_convert_aggressive might have been used.
1710 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1711 scev_direction): New functions.
1712 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1713 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1714 instead of convert_step.
1715 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1716 (convert_step): Declaration removed.
1717 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1719 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1721 * df-core.c: Added to header comments.
1722 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1723 df_ur_bb_info, df_urec_bb_info): Added comments.
1724 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1725 urec, ri problems): Fixed header comments.
1726 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1727 code from df_rd_transfer_function.
1729 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1731 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1732 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1733 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1735 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1737 * expr.c (undefined_operand_subword_p): New.
1738 (emit_move_multi_word): Do not generate move from undefined bits
1739 of a paradoxical subreg.
1741 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1743 PR rtl-optimization/27736
1744 * combine.c (replaced_rhs_value): New variable.
1745 (combine_instructions): Set it.
1746 (distribute_notes): When distributing a note in replaced_rhs_insn,
1747 check whether the value was used in replaced_rhs_value.
1749 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1752 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1753 add_referenced_var instead of add_referenced_tmp_var.
1754 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1755 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1757 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1758 tree_optimize_tail_calls_1): Use add_referenced_var.
1759 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1760 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1761 Use add_referenced_var.
1762 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1763 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1764 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1765 Use add_referenced_var.
1766 * tree-dfa.c (struct walk_state): Remove.
1767 (find_referenced_vars): Remove walk state and vars_found hash table.
1768 (make_rename_temp): Use add_referenced_var.
1769 (find_vars_r): Pass less parameters to add_referenced_var.
1770 (referenced_var_p): New. Is var in referenced_var hash table.
1771 (referenced_var_insert): Assert var isn't already in hash table.
1772 (add_referenced_var): Don't need walk_state parameter. Add var if it
1773 isn't already in the hash table.
1774 (add_referenced_tmp_var): Remove.
1775 (find_new_referenced_vars_1): Use add_referenced_var.
1776 * tree-ssa-pre.c (create_expression_by_pieces,
1777 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1778 Use add_referenced_var.
1779 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1780 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1781 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1783 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1784 vect_create_data_ref_ptr, vect_create_destination_var,
1785 vect_init_vector, vect_build_loop_niters,
1786 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1787 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1788 Use add_referenced_var.
1789 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1790 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1791 (add_referenced_var): Add prototype.
1792 * tree-ssa-structalias.c (get_constraint_for,
1793 intra_create_variable_infos): Use add_referenced_var.
1795 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1797 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1798 big-endian paradoxical subregs.
1799 * var-tracking.c (struct micro_operation_def): Document that,
1800 for modify micro operations, insn is the subsequent instruction.
1801 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1802 (var_reg_set, var_mem_set): ... new functions.
1803 (add_stores): Record subsequent insn.
1804 (compute_bb_dataflow): Use new functions for MO_USE.
1805 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1806 notes after the insn, and modify notes before the insn known
1807 to be the subsequent one.
1808 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1810 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1813 * config/i386/i386.c (ix86_expand_builtin): Use
1814 gen_sse3_monitor64 for TARGET_64BIT.
1816 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1818 PR rtl-optimization/26375
1819 PR rtl-optimization/26855
1820 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1822 (df_ru_bb_local_compute): Reversed statements and removed bogus
1823 comment explaining why they should be in wrong order.
1824 (df_ru_dump, df_rd_dump): Enhanced debug info.
1825 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1827 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1828 reaching uses and fixed space problem.
1830 2006-05-23 Jan Hubicka <jh@suse.cz>
1832 * cgraphunit.c (decide_is_function_needed): Also nested functions
1833 and functions declared inline can be optimized out at -O0.
1835 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1837 * doc/install.texi (Configuration): Remove reference to CrossGCC
1841 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1844 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1845 ix86_compare_emitted is non-NULL.
1847 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1850 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1853 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1855 PR rtl-optimization/25514
1856 * combine.c (replaced_rhs_insn): New variable.
1857 (combine_instructions): Set replaced_rhs_insn when trying to replace
1858 a SET_SRC with a REG_EQUAL note.
1859 (distribute_notes): Use replaced_rhs_insn when determining the live
1860 range of a REG_DEAD register.
1862 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1863 Anatoly Sokolov <aesok@post.ru>
1865 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1866 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1867 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1868 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1869 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1870 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1871 at90usb647, at90usb1286 and at90usb1287 devices.
1872 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1873 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1875 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1877 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1879 2006-05-22 Richard Guenther <rguenther@suse.de>
1882 2006-01-31 Richard Guenther <rguenther@suse.de>
1883 Paolo Bonzini <bonzini@gnu.org>
1885 * doc/install.texi (--disable-libgcc-math): Document.
1887 2006-05-22 Richard Guenther <rguenther@suse.de>
1890 2006-01-31 Richard Guenther <rguenther@suse.de>
1892 * doc/invoke.texi (-msselibm): Document.
1893 * target.h (expand_library_builtin): New target hook.
1894 * builtins.c (expand_builtin): Use expand_library_builtin.
1895 (default_expand_library_builtin): New function.
1896 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1897 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1898 (link_gcc_math_spec): Declare.
1899 (static_specs): Add link_gcc_math_spec.
1900 * expr.h (default_expand_library_builtin): Declare.
1901 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1902 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1903 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1904 * config/i386/i386.opt (msselibm): New target option.
1905 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1906 (ix86_init_sse_abi_builtins): New function.
1907 (ix86_expand_library_builtin): Likewise.
1908 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1909 (override_options): Handle error conditions wrt -msselibm.
1910 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1911 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1912 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1915 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1918 * c-common.c (self_promoting_args_p): Skip erroneous args.
1921 * c-decl.c (finish_struct): Skip erroneous fields.
1923 2006-05-22 Nick Clifton <nickc@redhat.com>
1925 * config/cris/cris.opt (march): Remove VarExists attribute.
1926 (max-stackframe=): Likewise.
1928 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1930 * doc/rtl.texi: Fix a typo.
1931 * see.c: Fix comment typos.
1933 * tree-ssa-structalias.h (alias_info): Remove num_references.
1935 2006-05-21 Mike Stump <mrs@apple.com>
1937 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1939 (darwin_pragma_options): Use BAD instead.
1940 (darwin_pragma_unused): Likewise.
1941 (darwin_pragma_ms_struct): Likewise.
1943 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1945 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1947 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1949 PR rtl-optimization/27671
1950 * simplify-rtx.c (simplify_relational_operation_1): Fix
1951 simplifications of (eq/ne (xor x y) y) and
1952 (eq/ne (xor x y) x).
1954 PR tree-optimization/26622.
1955 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1958 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1960 * tree-cfg.c: Prune whitespace.
1961 (debug_tree_cfg): Point to correct header containing the
1964 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1967 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1969 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1972 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1973 or sorry count is non zero.
1975 2006-05-20 Andreas Schwab <schwab@suse.de>
1977 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1979 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1980 Kenneth Zadeck <zadeck@naturalbridge.com>
1982 PR rtl-optimization/26855
1984 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1986 (df_scan_alloc): Added code to properly handle multiword hard
1987 registers and add all_blocks parameter.
1988 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1989 code to properly handle multiword hard registers.
1990 (df_rescan_blocks): Added code to remove deleted blocks from
1992 (df_ref_create_structure, df_ref_record): Added code to properly
1994 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1995 and set DF_REF_PARTIAL.
1996 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1997 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1998 (df_scan_add_problem): Added flags parameter.
1999 (df_ref_create_structure): Changed switching structure.
2000 (df_bb_refs_record): Fixed case where duplicate artificial refs
2001 were created. Changed location of flags.
2002 (df_record_entry_block_defs): Added code to make stack pointer
2003 live in entry block. Refined cases where frame pointer is needed.
2004 Changed location of flags.
2005 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2006 (df_set_state): Removed function.
2007 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2008 df_insn_create_insn_record, df_insn_refs_delete,
2009 df_ref_create_structure): Formatting changes.
2010 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2011 df_delete_basic_block): New function.
2012 (df_init): Changed location of flags.
2013 (df_add_problem): Added flags parameter and the way flags are
2015 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2016 debug_df_chain): Improved debugging output.
2017 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2018 (df_refs_chain_dump): Removed df parameter.
2019 (df_iterative_dataflow): Added consistency check.
2020 (df_prune_to_subcfg): Made public.
2021 (df_analyze_problem): Added blocks_to_init parameter and made
2023 (df_ref_record, df_bb_refs_record, df_mark_reg,
2024 df_record_exit_block_uses): Whitespace changes.
2025 (df_dump): Whitespace changes.
2026 * df.h: Some reordering to remove forward references.
2027 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2028 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2029 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2030 (dataflow.flags): New field.
2031 (df.flag): Deleted field.
2032 (df_alloc_function): Added additional bitmap parameter.
2033 (df_dependent_problem_function): New type.
2034 (df_problem.changeable_flags): New field.
2035 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2036 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2037 (df_mw_hardreg): New struct.
2038 (DF_INSN_UID_MWS): New macro.
2039 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2041 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2042 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2043 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2044 (df_set_state): Removed function.
2045 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2046 * df-problems.c (df_chain_dump): Removed df parameter.
2047 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2048 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2050 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2051 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2052 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2053 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2054 DF_REF_MUST_CLOBBER cases.
2055 (df_ru_bb_local_compute_process_def,
2056 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2057 df_lr_bb_local_compute, df_ur_bb_local_compute,
2058 df_chain_create_bb): Made subreg aware.
2059 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2060 df_lr_bb_local_compute, df_lr_bb_local_compute,
2061 df_chain_create_bb): Cleanup to use proper macros.
2062 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2063 code to fixup bitvectors.
2064 (df_ri_alloc): Cleared lifetime.
2065 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2066 df_create_unused_note): New function.
2067 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2068 REG_DEAD and REG_UNUSED notes as well as register information.
2069 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2070 df_chains_dump): Fixed crash if problem was never run.
2071 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2072 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2073 df_ri_add_problem): Processes flags in uniform manner.
2074 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2075 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2076 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2077 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2078 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2079 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2080 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2081 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2082 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2083 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2084 * see.c (see_initialize_data): Ditto.
2085 * final.c (rest_of_clean_state) Added regstack_completed.
2086 * rtl.h (regstack_completed): Ditto.
2087 * reg-stack.c (regstack_completed): Ditto.
2089 2006-05-19 Mike Stump <mrs@apple.com>
2091 * c-tree.h (default_conversion): Remove.
2092 * c-common.h (default_conversion): Add.
2094 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2096 * tree-vrp.c (valid_value_p): New function.
2097 (adjust_range_with_scev): Fail if the value of bound is not
2100 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2102 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2103 (mips_fallback_frame_state): Use syscall numbers to determine
2104 the appropriate li instruction for the current ABI. Only use
2105 __NR_sigreturn for o32.
2107 2006-05-19 Nicolas Setton <setton@adacore.com>
2109 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2110 * langhooks.c (lhd_dwarf_name): New function.
2111 * langhooks-def.h (lhd_dwarf_name): Declare.
2112 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2113 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2114 * ada/misc.c (gnat_dwarf_name): New function.
2115 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2117 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2119 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2121 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2122 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2123 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2124 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2125 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2126 determine the size of Wtype, etc.
2127 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2128 (swfloatfuncs): New variable.
2129 (dwfloatfuncs): Likewise.
2130 (lib2funcs): Remove floating-point conversion functions from
2131 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2132 the set of conversion routines needed. Allow entries to specify
2133 an object name, filename and word size. Update users accordingly.
2134 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2135 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2139 2006-02-08 Roger Sayle <roger@eyesopen.com>
2142 * config/fixtfdi.c: New libgcc source file.
2143 * config/fixunstfdi.c: New source file.
2144 * config/floatditf.c: New source file.
2145 * config/floatunditf.c: New souce file.
2146 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2147 files above instead of config/mips/_tilib.c.
2148 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2150 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2152 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2153 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2155 2006-05-18 Mike Stump <mrs@apple.com>
2157 Fix up vla, vm and [*] sematics.
2163 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2164 (c_vla_unspec_p): Add.
2165 (c_vla_type_p): Add.
2166 * c-decl.c (struct c_scope): Add had_vla_unspec.
2167 (build_array_declarator): Add support for [*].
2168 (grokdeclarator): Likewise.
2169 (grokparms): Likewise.
2170 (get_parm_info): Likewise.
2171 * c-objc-common.c (c_vla_unspec_p): Likewise.
2172 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2173 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2174 typeof when argument is a variably modified type not inside sizeof or alignof.
2175 (c_parser_direct_declarator_inner): Propagate errors.
2176 (c_parser_sizeof_expression): Add support for [*].
2177 (c_parser_parms_declarator): Initialize had_vla_unspec.
2178 (c_parser_parms_list_declarator): Likewise.
2179 * c-typeck.c (c_vla_type_p): Add.
2180 (composite_type): Add support for vla compositing.
2181 (comptypes_internal): Add support for vla compatibility.
2182 (c_expr_sizeof_expr): Evaluate vla arguments.
2183 * tree.c (variably_modified_type_p): Update comment for [*].
2185 2006-05-18 Michael Matz <matz@suse.de>
2188 * config.host: Make assignments to host_xmake_file cumulative.
2189 * config.host (*-darwin*): Test $host, not $target.
2191 2006-05-12 Stuart Hastings <stuart@apple.com>
2193 * config/i386/i386.opt (-mstackrealign): New flag.
2194 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2195 (ix86_handle_cconv_attribute): Emit error when
2196 force_align_arg_pointer attribute collides with too many regparms.
2197 (ix86_function_regparm): Limit regparms when used with
2198 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2199 Support stack-realigning prologue in non-main functions. Emit
2200 warning for nested functions under -mstackrealign, emit error for
2201 nested functions with force_align_arg_pointer attribute.
2202 * doc/extend.texi (force_align_arg_pointer): Document it.
2203 * doc/invoke.texi (-mstackrealign): Document it.
2205 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2207 PR rtl-optimization/27477
2208 * combine.c (try_combine): Don't split a parallel consisting
2209 of two sets into two individual sets if both sets reference
2212 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2214 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2215 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2217 * doc/options.texi (VarExists): Updated.
2219 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2221 * unwind-dw2.c: Add declarations for uw_update_context and
2223 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2224 detected, advance frame state and context once to skip over stub.
2226 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2230 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2231 Call rewrite_into_loop_closed_ssa only when something changed.
2232 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2233 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2234 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2235 Test for perfect_nest_p here. Fix formating.
2236 (replace_uses_equiv_to_x_with_y): Fix formating.
2237 (stmt_uses_op): Removed.
2238 (can_convert_to_perfect_nest): Removed loopivs parameter.
2239 Complete the test by checking the scalar dependences.
2240 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2243 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2246 From Dan Kegel <dank@kegel.com>:
2247 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2249 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2251 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2252 if the element type is variably modified without recursing.
2254 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2257 * tree-loop-linear.c (try_interchange_loops): Test for
2258 no data dependences.
2260 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2262 PR tree-optimization/27548
2263 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2264 range of ssa names that appear on abnormal edges.
2265 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2266 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2268 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2271 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2273 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2276 * tree.h (OMP_PARALLEL_COMBINED): Define.
2277 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2278 (new_omp_context): Add is_combined_parallel argument.
2279 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2280 new_omp_context caller.
2281 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2282 Adjust gimplify_scan_omp_clauses callers.
2283 (omp_is_private): Issue errors if iteration variable is firstprivate
2284 or reduction in the current context.
2285 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2286 on combined parallel workshare constructs.
2288 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2290 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2291 (gcc-options.o): New rule.
2293 * optc-gen.awk: Protect variables for gcc-options.o with
2294 #ifdef GCC_DRIVER/#endif.
2296 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2298 Fix PR tree-optimization/27373
2299 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2300 (forward_propagate_addr_expr): Update call.
2302 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2304 * doc/options.texi: Move the Negative option.
2306 2006-05-16 Richard Guenther <rguenther@suse.de>
2308 PR tree-optimization/22303
2309 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2311 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2312 ccp_fold did not simplify the statement.
2314 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2317 * Makefile.in (GCC_OBJS): New.
2318 (OBJS-common): Add opts-common.o.
2319 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2320 (cpp$(exeext)): Likewise.
2321 (gcc.o): Also depend on opts.h.
2322 (opts-common.o): New.
2324 * common.opt (gcoff): Add Negative(gdwarf-2).
2325 (gdwarf-2): Add Negative(gstabs).
2326 (gstabs): Add Negative(gstabs+).
2327 (gstabs+): Add Negative(gvms).
2328 (gvms): Add Negative(gxcoff).
2329 (gxcoff): Add Negative(gxcoff+).
2330 (gxcoff+): Add Negative(gcoff).
2331 * config/i386/i386.opt (m32): Add Negative(m64).
2332 (m64): Add Negative(m32).
2334 * doc/options.texi: Document the Negative option.
2336 * gcc.c: Include "opts.h".
2337 (main): Call prune_options after expandargv.
2339 * optc-gen.awk: Generate common declarations for all flag
2340 variables in options.c. Output the neg_index field.
2342 * opts.c (find_opt): Moved to ...
2343 * opts-common.c: Here. New file.
2345 * opts.h (cl_option): Add a neg_index field.
2347 (prune_options): Likewise.
2349 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2352 * omp-low.c (expand_omp_parallel): Don't assert
2353 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2354 instead search for it.
2357 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2360 2006-05-16 Andreas Schwab <schwab@suse.de>
2362 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2365 2006-05-15 Roger Sayle <roger@eyesopen.com>
2368 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2369 integer constants other than zero are only legitimate on TARGET_64BIT.
2370 <CONST_VECTOR> Only zero vectors are legitimate.
2371 (ix86_cannot_force_const_mem): Integral and vector constants can
2372 always be put in the constant pool.
2374 2006-05-16 DJ Delorie <dj@redhat.com>
2376 * crtstuff.c (__dso_handle): Set section from
2377 TARGET_LBIGCC_SDATA_SECTION if defined.
2378 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2379 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2381 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2384 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2387 2006-05-16 Ben Elliston <bje@au.ibm.com>
2389 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2391 2006-05-15 Per Bothner <per@bothner.com>
2393 * tree.c: (last_annotated_node): Use source_locus typedef.
2394 This permits bootstrapping with --enable-mapped-location.
2396 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2398 PR tree-optimization/26830
2399 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2400 (info_for_ssa_name, current_info_for_ssa_name_age,
2401 blocks_to_update): New variables.
2402 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2403 (clear_ssa_name_info, initialize_flags_in_bb,
2404 mark_block_for_update): New functions.
2405 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2406 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2407 prepare_def_site_for): Use mark_block_for_update.
2408 (mark_def_interesting): Assert that the processed block is marked in
2409 blocks_to_update. Do not take blocks argument.
2410 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2412 (rewrite_update_init_block, rewrite_update_stmt): Only process
2413 blocks with statements to rewrite.
2414 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2415 (update_ssa): Initialize and free blocks_to_update. Do not
2416 clear flags on statements. Do not use blocks bitmap.
2417 * tree.h (SSA_NAME_AUX): Removed.
2418 (struct tree_ssa_name): Removed aux field.
2419 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2421 2006-05-15 Richard Guenther <rguenther@suse.de>
2423 PR tree-optimization/27603
2424 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2425 Do computations in original type.
2427 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2429 * see.c: Code style changes such as redundant paranthesis,
2430 redundant intialization of local variables etc.
2431 (see_main): Declared now as static.
2432 * doc/invoke.texi: Update that -fsee is not enabled by
2435 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2437 * omp-low.c (check_omp_nesting_restrictions): New function.
2438 (scan_omp_1): Call it.
2441 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2442 construct, return *VAR.
2444 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2446 PR rtl-optimization/27406
2447 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2450 2006-05-14 Roger Sayle <roger@eyesopen.com>
2452 PR rtl-optimization/27538
2453 * combine.c (expand_compound_operation): Call gen_lowpart
2454 before calling simplify_shift_const.
2456 2006-05-14 Roger Sayle <roger@eyesopen.com>
2458 PR rtl-optimization/22563
2459 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2460 a fixed width bitfield, always force the intermediates into psuedos.
2462 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2465 * mkconfig.sh: Use operator = instead of == for test.
2467 2006-05-13 Nick Clifton <nickc@redhat.com>
2469 * dwarf2out.c (dbx_reg_number): Check return value from
2470 LEAF_REG_REMAP and only use it if it is valid.
2471 (multiple_reg_loc_descriptor): Likewise.
2473 2006-05-13 Richard Guenther <rguenther@suse.de>
2475 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2478 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2480 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2481 information attached to non-INSNs such as NOTEs.
2482 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2484 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2486 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2488 * config/s390/s390.md: Adjust comment describing On constraint.
2490 2006-05-11 Jan Hubicka <jh@suse.cz>
2492 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2493 to be output at -O0.
2495 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2498 * fold-const.c (size_binop): Move sanity check for arguments to
2499 the beginning of the function.
2502 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2505 2006-05-11 Richard Guenther <rguenther@suse.de>
2508 * fold-const.c (fold_unary): Handle intermediate conversion
2509 to a pointer type like intermediate conversion to an integer
2510 type in folding of (T1)(T2)var to var.
2511 Match the code to the comment in the final conversion for
2512 (T1)(T2)var to (T1)var regarding to type precision. Rather
2513 than disallow T1 being of pointer type, assert that both T1
2514 and var are of pointer type or not. Make sure not to fall
2515 over the frontends lazyness wrt array to pointer decay though.
2517 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2519 * arm.c (arm_struct_value_rtx): Delete.
2520 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2521 (arm_init_cumulative_args): Always initialize nregs to zero.
2523 2006-05-10 Richard Guenther <rguenther@suse.de>
2525 PR tree-optimization/27532
2526 * tree-object-size.c (plus_expr_object_size): Fix typo.
2528 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2531 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2532 ashrdi_const, ashrdi3): Use a scratch register.
2534 2006-05-10 Richard Guenther <rguenther@suse.de>
2536 PR tree-optimization/27302
2537 * fold-const.c (operand_equal_p): For two comparisons,
2538 try comparison of one comparison code swapped if that yields
2541 2006-05-10 Ben Elliston <bje@au.ibm.com>
2543 * tree-pretty-print.c (pretty_print_string): No need to handle
2544 '\0' as a special character.
2546 * tree.h: Include "hashtab.h".
2547 (iterative_hash_expr): Use hashval_t in its prototype.
2548 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2550 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2553 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2554 (hppa*64*-*-hpux11*): Ditto.
2555 (hppa[12]*-*-hpux11*): Ditto.
2557 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2560 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2562 2006-05-09 Michael Matz <matz@suse.de>
2564 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2565 host_extra_gcc_objs and host_xmake_file.
2566 (<*-*-linux*>): Don't overwrite host_xmake_file.
2567 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2568 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2569 (host_detect_local_cpu): Declare.
2570 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2571 * config/i386/i386.c (override_options): Handle -mtune=native
2573 * config/i386/x-i386: New file.
2574 * config/i386/driver-i386.c: New file.
2575 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2578 2006-05-09 Dirk Mueller <dmueller@suse.de>
2579 Richard Guenther <rguenther@suse.de>
2582 * fold-const.c (fold_read_from_constant_string): Relax check
2583 for matching types to matching modes.
2585 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2587 PR rtl-optimization/27335
2588 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2591 2006-05-08 Chao-ying Fu <fu@mips.com>
2592 Richard Sandiford <richard@codesourcery.com>
2594 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2595 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2596 * config/mips/mips.md (UNSPEC_SCC): New constant.
2597 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2598 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2599 (mips_emit_compare): Use it.
2600 (mips_expand_vcondv2sf): New function.
2602 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2604 Fix PR tree-optimization/27093
2605 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2606 renaming when they become not-used_alone.
2608 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2610 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2611 relocation and relocation stubs.
2613 2006-05-08 Eric Christopher <echristo@apple.com>
2615 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2618 2006-05-08 Jan Hubicka <jh@suse.cz>
2621 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2622 unused static functions are needed.
2624 2006-05-08 Roger Sayle <roger@eyesopen.com>
2627 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2628 of a reg_equiv_constant if the result is a legitimate constant.
2630 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2633 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2634 standard 80387 constants, raise the cost to prevent
2635 compress_float_constant() to generate load from memory.
2637 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2639 * config/arm/constraints.md (c): Fix a typo.
2641 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2644 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2647 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2649 (_mm_mwait): Likewise.
2651 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2653 (sse3_monitor): Make it 32bit only.
2654 (sse3_monitor64): New. 64bit monitor.
2656 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2659 * config/i386/i386.c (classify_argument): Skip fields with invalid
2662 2006-05-07 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/27409
2665 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2666 Do not try to find zero-sized subvars.
2668 2006-05-07 Richard Guenther <rguenther@suse.de>
2670 PR tree-optimization/27136
2671 * tree-ssa-loop-niter.c (get_val_for): Correct function
2672 comment, assert requirements.
2673 (loop_niter_by_eval): Stop processing if the iterated
2674 value did not simplify.
2676 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2678 * opts.c (flag_see): remove its setting at -O3.
2680 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2682 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2683 * arm/constraints.md: New file.
2684 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2685 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2686 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2687 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2688 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2689 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2690 * arm.md: Include constraints.md.
2691 (thumb_movsi_insn): Use satisfies_constraint_J.
2692 (movhi, movqi): Use satisfies_constraint_I.
2694 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2696 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2697 for atmeg a645 device.
2699 2006-05-06 Richard Guenther <rguenther@suse.de>
2701 PR tree-optimization/27151
2702 * tree-vect-transform.c (vectorizable_condition): Punt on
2703 values that have a different type than the condition.
2705 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2708 * c-parser.c (c_parser_cast_expression): Only insert casts into
2709 hash table if pointer.
2710 * function.c (used_types_insert_helper): Rename from
2712 (used_types_insert): Call used_types_insert_helper.
2713 * function.h (used_types_insert): Accept only one argument.
2715 2006-05-05 David Edelsohn <edesohn@gnu.org>
2717 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2718 scratch with output modifier.
2720 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2723 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2724 with output modifier.
2726 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2729 * config/mips/mips.c (mips_symbolic_address_p): Return true
2730 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2731 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2733 2006-05-04 Richard Guenther <rguenther@suse.de>
2735 PR tree-optimization/14287
2736 PR tree-optimization/14844
2737 PR tree-optimization/19792
2738 PR tree-optimization/21608
2739 PR tree-optimization/27090
2740 * tree-ssa-pre.c (try_combine_conversion): New function.
2741 (compute_avail): After constructing the value-handle
2742 expression, use try_combine_conversion to combine NOP_EXPRs
2743 with previous value-handle expressions and use the result if it
2746 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2748 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2750 2006-05-04 Jan Hubicka <jh@suse.cz>
2753 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2755 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2757 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2758 that this only matches CONST_INTs. All users changed to VOIDmode
2761 * config/bfin/bfin.c: Include "optabs.h".
2762 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2764 (enum bfin_builtins): Add a number of fractional and vector builtins.
2765 (bfin_init_builtins): Likewise.
2766 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2767 (safe_vector_operand, bfin_expand_binop_builtin,
2768 bfin_expand_unop_builtin): New functions.
2769 (bfin_expand_builtin): Handle the new builtins.
2770 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2773 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2776 * Makefile.in (OBJS-common): Add see.o.
2777 (see.o): Add dependencies.
2778 * common.opt (fsee): New flag for the see optimization was added.
2779 * opts.c (flag_see): Initialized.
2780 * passes.c (init_optimization_passes, pass_see): New pass.
2781 * rtl.h (see_main): Declaration as extern.
2782 * timevar.def (TV_SEE): New.
2783 * tree-pass.h (pass_see): Declaration as extern.
2784 * invoke.texi (-fsee): Document.
2785 * recog.c (validate_simplify_insn): New function.
2786 * recog.h (validate_simplify_insn): Declaration as extern.
2787 * df-problems.c (df_chain_dump): Check for NULL.
2789 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2790 Daniel Berlin <dberlin@dberlin.org>
2792 * cfgrtl.c (insert_insn_bb_end_new): New function.
2793 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2795 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2797 * df.h (struct web_entry): Moved from web.c.
2798 (union_defs): Declaration as extern.
2799 (unionfind_root): Likewise.
2800 (unionfind_union): Likewise.
2801 * web.c (struct web_entry): Moved to df.h.
2802 (unionfind_root): Remove static declaration.
2803 (unionfind_union): Likewise.
2804 (union_defs): Likewise and generalize to use callback function.
2805 (web_main): Update arguments for union_defs function call.
2807 2006-05-04 Richard Guenther <rguenther@suse.de>
2809 PR tree-optimization/26447
2810 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2811 produce SSA_NAME copies before the store stmt to avoid
2812 breaking exception handling.
2814 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2817 * gimplify.c (omp_is_private): If var is shared in some outer context,
2818 return false instead of true. Stop searching on parallel context
2821 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2824 * coverage.c: Use get_gcov_unsigned_t() instead of
2825 unsigned_type_node all over.
2827 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2829 PR tree-optimization/27381
2830 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2831 maintain the same immediate_use links.
2832 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2833 node rather than segfaulting.
2835 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2838 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2839 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2840 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2842 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2844 Fix PR tree-optimization/26626
2845 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2847 * tree-ssa-operands.c (access_can_touch_variable): Allow
2848 typecasting through union pointers.
2850 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2853 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2854 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2855 to find if var will be a global variable even in the nested context.
2856 (omp_copy_decl): Only check for global variable at the end, it might
2857 be overridden in outer contexts.
2858 (scan_sharing_clauses): For global variables don't create a field.
2859 (lower_rec_input_clauses): Do nothing for global shared variables.
2860 Emit a barrier at the end of ILIST if there were any decls in both
2861 firstprivate and lastprivate clauses.
2862 (lower_send_clauses): Do nothing for global variables except for
2865 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2867 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2868 of the correct signedness is returned.
2870 2006-05-02 Jeff Law <law@redhat.com>
2872 PR tree-optimization/27364
2873 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2874 multiply expressions.
2876 2006-05-02 Tom Tromey <tromey@redhat.com>
2878 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2880 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2883 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2884 -mthumb -fPIC are used.
2886 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2887 Joshua Kinard <kumba@gentoo.org>
2890 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2891 with 64-bit pointers.
2893 2006-05-02 Paul Brook <paul@codesourcery.com>
2895 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2897 (create_fix_barrier): Check that a suitable barrier location is
2899 (arm_reorg): Include ftmp->address in allowable range of addresses.
2901 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2904 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2907 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2910 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2911 around RESULT_DECL for result passed by reference.
2912 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2913 * omp-low.c (use_pointer_for_field): Don't look at
2914 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2915 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2916 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2917 time or var for passing by reference for
2918 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2919 TREE_ADDRESSABLE variables when passing by reference.
2921 * omp-low.c (dump_omp_region): Fix output formatting.
2924 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2925 (expand_omp_parallel): Likewise.
2926 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2929 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2930 on statement list containing also constructors and destructors.
2931 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2934 * except.c (duplicate_eh_regions): Fix clearing of
2935 cfun->eh->region_array entries.
2937 2006-05-01 DJ Delorie <dj@redhat.com>
2939 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2941 (gcc_cv_objdump): Likewise.
2942 * configure: Regenerated.
2944 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2947 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2948 templates for case 3 and 4.
2950 2006-05-01 DJ Delorie <dj@redhat.com>
2952 * vec.c: Include bconfig.h when appropriate.
2953 * Makefile.in (build/vec.o): Adjust dependencies.
2954 * mkconfig.sh: Make sure config.h isn't used for build machine
2957 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2959 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2961 (mark_phi_for_rewrite): New function.
2962 (insert_phi_nodes_for, mark_use_interesting): Call
2963 mark_phi_for_rewrite.
2964 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2965 (update_ssa): Initialize and free phis_to_rewrite.
2967 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2969 PR rtl-optimization/27291
2970 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2971 folded to a constant.
2973 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2975 PR tree-optimization/27283
2976 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2977 not whole # of iteration descriptions.
2978 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2979 uses abnormal ssa name.
2980 (niter_for_single_dom_exit): Ditto.
2981 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2982 return just the number of iterations.
2984 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2986 PR tree-optimization/27144
2987 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2988 (record_estimate): Only record constant upper bound.
2989 (infer_loop_bounds_from_undefined): Call
2990 compute_estimated_nb_iterations just once.
2991 (proved_non_wrapping_p): Renamed to ...
2992 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2993 (convert_step_widening, scev_probably_wraps_p): Call
2994 n_of_executions_at_most instead of proved_non_wrapping_p.
2995 (substitute_in_loop_info): Do not replace values in bounds.
2996 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2999 2006-05-01 Richard Henderson <rth@redhat.com>
3002 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3003 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3006 2006-05-01 Roger Sayle <roger@eyesopen.com>
3008 * c-typeck.c (parser_build_binary_op): Don't call the function
3009 unsigned_conversion_warning to spot operand/result type overflow.
3010 (build_binary_op): Instead, call convert_and_check instead of
3011 convert to report the problem when the operands are promoted.
3012 * c-common.c (unsigned_conversion_warning): Make static.
3013 * c-common.h (unsigned_conversion_warning): Delete prototype.
3015 2006-05-01 Richard Guenther <rguenther@suse.de>
3017 PR tree-optimization/26726
3018 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3020 (find_interesting_uses_address): ... we work around here
3021 by folding INDIRECT_REFs in the substituted base.
3023 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3025 * omp-low.c (dump_omp_region): Add newlines.
3027 2006-04-30 Roger Sayle <roger@eyesopen.com>
3029 * common.opt (Woverflow): New command line option.
3030 * c-common.c (constant_expression_warning): Check warn_overflow.
3031 (overflow_waring): Pass OPT_Woverflow to warning.
3032 (unsigned_conversion_warning): Likewise.
3033 (convert_and_check): Likewise.
3034 * doc/invoke.texi: Document new command line option.
3036 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3038 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3039 TARGET_NO_FP_IN_TOC for section anchors.
3040 (optimization_options): Enable section anchors for all
3041 non-"Objective" languages.
3043 2006-04-28 Eric Christopher <echristo@apple.com>
3045 * config/darwin-c.c (darwin_ms_struct): Move this
3046 (darwin_set_default_type_attributes): and this...
3047 * config/darwin.c: ... here.
3048 * config/darwin.h (darwin_ms_struct): Declare.
3050 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3052 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3054 2006-04-28 Roger Sayle <roger@eyesopen.com>
3057 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3058 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3059 an unsigned HOST_WIDE_INT.
3060 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3062 (really_start_incremental_init): No need to call convert because
3063 bitsize_zero_node is already of type bitsizetype.
3064 (push_init_level): Extract the value of constructor_index as an
3065 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3066 (process_init_element): Likewise.
3068 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3070 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3071 value before passing to make_relative_prefix.
3073 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3076 * builtins.c (expand_builtin_memset): Expand val in original mode.
3078 2006-04-27 Eric Christopher <echristo@apple.com>
3080 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3081 with #ifndef/#endif.
3082 * config/darwin-c.c (darwin_ms_struct): New.
3083 (darwin_pragma_ms_struct): Ditto.
3084 (darwin_set_default_type_attributes): Ditto.
3085 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3086 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3087 Register ms_struct pragma.
3088 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3089 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3090 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3091 darwin_set_default_type_attributes if TARGET_MACHO.
3093 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3095 PR tree-optimization/26854
3096 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3097 * doc/tree-ssa.texi: Update immuse iterator documentation.
3098 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3100 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3101 first_safe_imm_use, next_safe_imm_use): Remove.
3102 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3103 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3104 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3105 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3106 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3107 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3108 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3109 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3110 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3111 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3112 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3113 (perfect_nestify): Use new iterator.
3114 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3116 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3117 (next_imm_name): New field in struct immediate_use_iterator_d.
3118 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3119 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3120 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3121 * tree-cfg.c (replace_uses_by): Use new iterator.
3122 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3123 * tree-ssa-operands.c (correct_use_link): Remove.
3124 (finalize_ssa_use_ops): No longer call correct_use_link.
3126 2006-04-27 Stuart Hastings <stuart@apple.com>
3128 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3129 * config/t-darwin (crt3.o): Use it.
3130 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3131 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3132 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3133 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3134 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3137 2006-04-27 Roger Sayle <roger@eyesopen.com>
3139 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3140 size, force the intermediate into a new pseudo rather instead of
3141 performing both a bitwise AND and a bitwise IOR in memory.
3143 2006-04-27 Richard Guenther <rguenther@suse.de>
3145 PR rtl-optimization/26685
3146 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3147 this one "max-flow-memory-locations".
3149 2006-04-27 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/25148
3152 * tree-vrp.c (compare_values): Remove code dealing with
3153 comparisons against type min/max value. Honour overflow
3154 and negative constants in code dealing with comparisons
3155 of plus and minus expressions.
3156 (value_inside_range): Use fold_binary with LE_EXPR and
3157 GE_EXPR rather than compare_values.
3159 2006-04-27 Dirk Mueller <dmueller@suse.de>
3161 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3164 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3166 * basic-block.h (safe_insert_insn_on_edge): Removed.
3167 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3169 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3170 Paolo Bonzini <bonzini@gnu.org>
3173 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3174 (simplify_and_const_int): Same.
3176 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3178 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3180 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3183 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3184 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3185 cgraph_global_info_ready.
3188 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3191 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3192 either decl or init is error_mark_node.
3195 * tree-flow.h (struct omp_region): Add sched_kind.
3196 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3197 instead of extracting omp for data.
3198 (expand_omp_for): Save extracted sched_kind.
3200 2006-04-25 Roger Sayle <roger@eyesopen.com>
3202 * expmed.c (store_bit_field): Also check whether the bitsize is
3203 valid for the machine's "insv" instruction before moving the
3204 target into a pseudo for use with the insv.
3205 * config/i386/predicates.md (const8_operand): New predicate.
3206 * config/i386/i386.md (extv, extzv, insv): Use the new
3207 const8_operand predicate where appropriate.
3209 2006-04-25 DJ Delorie <dj@redhat.com>
3211 * doc/install.texi (Specific): Clarify that this is not a list of
3212 supported hosts or targets.
3214 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3216 PR rtl-optimization/26725
3217 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3218 block's BB_DIRTY flag.
3220 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3222 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3225 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3226 to print an integer.
3228 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3230 * varasm.c (align_variable): New function.
3231 (get_block_for_decl): Apply align_variable to DECL before
3232 calculating section information.
3233 (assemble_variable): Split out alignment computation.
3235 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3237 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3240 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3242 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3243 MODE_PARTIAL_INT mode.
3244 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3245 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3247 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3248 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3250 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3252 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3254 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3255 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3256 MACFLAG_IH): Likewise.
3257 (movstricthi_1): Renamed from "*movstricthi".
3258 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3259 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3260 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3261 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3262 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3263 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3264 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3265 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3266 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3267 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3268 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3269 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3270 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3271 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3272 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3274 * doc/rtl.texi (ss_ashift): Improve wording.
3276 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3278 * dwarf2out.c (verify_marks_clear): New.
3279 (prune_unused_types): Call verify_marks_clear initially, not
3282 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3284 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3285 * doc/rtl.texi: Document them.
3286 * simplify-rtx.c (simplify_unary_operation,
3287 simplify_binary_operation_1): Don't abort when we see them.
3289 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3292 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3293 * configure.ac: Completely disregard languages that are not
3295 * configure: Regenerated.
3297 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3298 Richard Guenther <rguenther@suse.de>
3300 PR tree-optimization/27236
3301 * tree-inline.c (copy_body_r): Make sure to copy
3302 TREE_THIS_VOLATILE flag.
3304 2006-04-24 Richard Guenther <rguenther@suse.de>
3307 * tree-complex.c (update_parameter_components): Don't handle
3308 unused parameters which have no default def.
3310 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3311 Richard Guenther <rguenther@suse.de>
3313 PR tree-optimization/27218
3314 * tree-inline.c (expand_call_inline): Strip useless type
3315 conversions for the return slot address.
3317 2006-04-24 Richard Guenther <rguenther@suse.de>
3319 * cfgloop.h (struct loops): Remove unused field array. Reorder
3321 (LOOP_PREFETCH): Remove.
3323 2006-04-24 Richard Guenther <rguenther@suse.de>
3325 PR tree-optimization/22525
3326 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3327 variable, adjust types of generated expressions.
3329 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3331 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3332 (tree-vect-patterns.o): Likewise.
3334 (cselib.o): Likewise.
3335 (loop-doloop.o): Likewise.
3336 (regclass.o): Likewise.
3337 (reload1.o): Likewise.
3338 (explow.o): Replace target.h with $(TARGET_H).
3339 (ipa-prop.o): Likewise.
3340 (ipa-cp.o): Likewise.
3341 (ipa-inline.o): Likewise.
3342 (reorg.o): Likewise.
3343 (reg-stack.o): Likewise.
3345 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3347 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3349 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3351 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3353 * configure.ac: Completely disregard languages that are not
3355 * configure: Regenerated.
3358 * c-common.h (c_build_bitfield_integer_type): Declare.
3359 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3360 * c-common.c (c_build_bitfield_integer_type): ... here.
3362 2006-04-23 Roger Sayle <roger@eyesopen.com>
3365 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3366 a SImode SUBREG of a floating point register after no_new_pseudos.
3368 2006-04-23 Roger Sayle <roger@eyesopen.com>
3370 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3371 identify potentially eliminable registers to additionally catch
3372 VIRTUAL_INCOMING_ARGS_REGNUM.
3373 (addsi3): Update the conditions on when to use addsi_small_int.
3375 2006-04-23 Roger Sayle <roger@eyesopen.com>
3378 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3379 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3380 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3382 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3384 * fold-const.c (range_predecessor): Use operand_equal_p
3385 as the predicate for equality.
3386 (range_successor): Likewise.
3388 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3391 * config/soft-fp/op-common.h: Fix a typo.
3393 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3396 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3397 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3399 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3401 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3403 * doc/tm.texi: Fix a typo.
3405 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3407 * dwarf2out.c (struct die_struct): Document that die_sib makes
3408 a circular linked list.
3409 (FOR_EACH_CHILD): New.
3410 (reverse_die_lists): Delete.
3411 (reverse_all_dies): Delete.
3412 (add_dwarf_attr): Correct documentation.
3413 (remove_child_with_prev): New.
3414 (remove_child_TAG): Update for change to die_struct, use
3415 remove_child_with_prev.
3416 (add_child_die): Update for change to die_struct.
3417 (splice_child_die): Use remove_child_with_prev and add_child_die.
3418 (print_die): Use FOR_EACH_CHILD.
3419 (die_checksum): Likewise.
3420 (assign_symbol_names): Likewise.
3421 (output_location_lists): Likewise.
3422 (build_abbrev_table): Likewise.
3423 (calc_die_sizes): Likewise.
3424 (mark_dies): Likewise.
3425 (unmark_dies): Likewise.
3426 (unmark_all_dies): Likewise.
3427 (output_die): Likewise.
3428 (prune_unused_types_mark): Likewise.
3429 (prune_unused_types_walk): Likewise.
3430 (same_die_p): Update for change to die_struct.
3431 (break_out_includes): Likewise.
3432 (prune_unused_types_prune): Likewise.
3433 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3434 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3436 (dwarf2out_finish): Don't call reverse_all_dies.
3438 2006-04-21 Eric Christopher <echristo@apple.com>
3440 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3441 in comments and function names.
3443 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3446 * c-typeck.c (digest_init): Robustify.
3448 * c-typeck.c (pop_init_level): Simplify.
3450 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3452 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3454 2006-04-21 Paul Brook <paul@codesourcery.com>
3456 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3457 hardware floating point.
3459 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3461 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3464 2006-04-21 Nick Clifton <nickc@redhat.com>
3466 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3469 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3472 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3473 C++ lang type in traceback table for Objective-C++.
3475 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3477 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3479 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3481 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3484 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3485 were errors. Remove check for erroneous objects.
3487 2006-04-20 Jeff Law <law@redhat.com>
3489 PR tree-optimization/26854
3490 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3491 checking for zero or one use.
3492 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3493 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3494 * tree-ssa-reassoc.c (negate_value): Similarly.
3495 (reassociate_bb): Similarly.
3497 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3499 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3500 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3501 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3503 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3505 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3506 fp regs if the last fp arg doesn't fit in regs.
3508 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3511 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3512 that the last insn has the REG_INC note.
3514 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3515 Nathan Sidwell <nathan@codesourcery.com>
3518 * stor-layout.c (update_alignment_for_field): Do not align
3520 (place_union_field): Place union field at the start of the union.
3521 (place_field): Move ERROR_MARK check later, and use the current
3522 allocation position to maintain monotonicity.
3524 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3526 * dominance.c: Include timevar.h.
3527 (calculate_dominance_info): Use TV_DOMINANCE.
3528 * timevar.def (TV_DOMINANCE): New timevar.
3529 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3531 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3533 PR rtl-optimization/14261
3534 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3535 move would be an INSV insn.
3536 (noce_process_if_block): Don't optimize if the destination is a
3537 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3539 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3541 * config/s390/s390.md: Add comments with the instructions emitted
3542 by an insn pattern if macros are used.
3544 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3546 PR rtl-optimization/26026
3547 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3548 is a known power of two shifted left a variable amount.
3550 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3552 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3553 to hash table twice when the debug_str section has SECTION_MERGE.
3555 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3557 * config/soft-fp: New directory. From glibc.
3558 * config/soft-fp/t-softfp: New.
3559 * config/soft-fp/README: New.
3560 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3561 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3562 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3563 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3564 * config.gcc: Use rs6000/t-fprules-fpbit or
3565 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3567 * config/rs6000/sfp-machine.h: New. Based on glibc.
3568 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3570 * config/rs6000/t-fprules: Remove fp-bit rules.
3571 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3572 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3573 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3574 (softfp_wrap_start, softfp_wrap_end): New.
3576 2006-04-18 DJ Delorie <dj@redhat.com>
3578 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3580 2006-04-18 Devang Patel <dpatel@apple.com>
3582 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3584 2006-04-18 Nick Clifton <nickc@redhat.com>
3586 * config/sh/t-symbian: Add rule to build sh-c.o
3587 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3588 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3589 (sh_symbian_encode_section_info): Likewise.
3591 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3593 * builtins.c (expand_builtin_strcmp): Cover label definition of
3594 do_libcall with HAVE_cmpstrnsi.
3596 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3598 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3600 * function.h (temp_slot_p): New.
3601 (function): Change the type of x_used_temp_slots to
3602 VEC(temp_slot_p,gc) *.
3604 2006-04-18 Nick Clifton <nickc@redhat.com>
3606 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3607 flag_strength_reduce.
3609 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3611 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3615 Partial revert of revision 112637
3616 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3617 Dale Johannesen <dalej@apple.com>
3620 * regclass.c (struct reg_pref): Update documentation.
3621 (regclass): Set prefclass to NO_REGS if memory is the best option.
3622 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3624 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3626 PR tree-optimization/26821
3627 * tree-ssa-math-opts.c (get_constant_one): New.
3628 (insert_reciprocals): Use it.
3630 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3632 * dwarf2out.c (free_AT): Delete.
3633 (remove_AT): Update string ref counts.
3634 (remove_child_TAG): Don't call free_die.
3636 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3637 or DW_TAG_GNU_EINCL.
3638 (prune_unused_types_walk_attribs): Reset string refcounts.
3639 (prune_unused_types_update_strings): New.
3640 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3641 call free_die. Do call prune_unused_types_update_strings.
3642 (prune_unused_types): Empty debug_str_hash.
3644 2006-04-17 Roger Sayle <roger@eyesopen.com>
3646 * expr.c (expand_assignment): Optimize away no-op moves where the
3647 source and destination are equal and have no side-effects.
3649 2006-04-17 Richard Guenther <rguenther@suse.de>
3652 * reload.c (push_reload): Guard calls to get_secondary_mem
3655 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3657 * alias.c (reg_base_value, old_reg_base_value): Change the
3658 type to VEC(rtx,gc) *.
3659 (REG_BASE_VALUE, find_base_value, record_set,
3660 init_alias_analysis): Use VEC instead of VARRAY.
3662 * alias.c (alias_sets): Change the type to
3663 VEC(alias_set_entry,gc) *.
3664 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3665 VEC instead of VARRAY.
3666 (last_alias_set): Remove.
3668 * cgraph.h (cgraph_edge_p): New.
3669 Update the prototype of cgraph_function_versioning.
3670 * cgraphunit.c (cgraph_copy_node_for_versioning,
3671 cgraph_function_versioning): Use VEC instead of VARRAY.
3672 * ipa-cp.c (ipcp_insert_stage): Likewise.
3674 2006-04-16 Roger Sayle <roger@eyesopen.com>
3677 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3678 "A op B" or "A op C", we may need to convert A to the type of B and C.
3680 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3682 * target.h (struct gcc_target): Add mode_rep_extended.
3683 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3684 (init_num_sign_bit_copies_in_rep): Initialize it using
3686 (truncate_to_mode): Use it.
3687 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3688 * targhooks.h (default_mode_rep_extended): Declare it.
3689 * targhooks.c (default_mode_rep_extended): Define it.
3690 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3691 default_mode_rep_extended.
3692 (TARGET_INITIALIZER): Include it.
3693 * doc/tm.texi (Misc): Document it.
3694 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3695 (mips_truncated_to_mode): New function.
3697 2006-04-16 Roger Sayle <roger@eyesopen.com>
3700 * expr.c (compress_float_constant): Copy the narrow constant into
3701 a new pseudo before extending it to its final width.
3703 2006-04-16 Roger Sayle <roger@eyesopen.com>
3704 Andrew Pinski <pinskia@gcc.gnu.org>
3705 Dale Johannesen <dalej@apple.com>
3708 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3709 special case code to implement V8HImode and V16QImode with SSE2.
3711 2006-04-15 Roger Sayle <roger@eyesopen.com>
3713 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3714 trees are constructed with a suitable tree type.
3716 2006-04-15 Roger Sayle <roger@eyesopen.com>
3718 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3719 (integer_onep): Likewise.
3720 (integer_all_onesp): Likewise.
3721 (integer_pow2p): Likewise.
3722 (integer_nonzerop): Likewise.
3723 (real_zerop): Likewise.
3724 (real_onep): Likewise.
3725 (real_twop): Likewise.
3726 (real_minus_onep): Likewise.
3727 (int_size_in_bytes): Likewise.
3728 (host_integerp): Likewise.
3730 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3732 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3733 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3734 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3736 * tree-ssa-structalias.h (alias_info): Remove num_references.
3738 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3740 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3741 (output_bvb patterns): Likewise.
3742 * pa.c (output_bb): Use 'bb' insn for long branch case.
3743 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3744 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3745 1. Correct length operand for alternatives 1 and 2.
3746 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3747 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3749 2006-04-14 Roger Sayle <roger@eyesopen.com>
3751 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3752 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3753 were accidentally reverted by r112959.
3755 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3758 * except.h (eh_region_outermost): New prototype.
3759 * except.c (eh_region_outermost): New function.
3760 * tree-cfg.c (find_outermost_region_in_block): Use it.
3762 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3764 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3766 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3767 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3768 (init_reload, reload): Use VEC instead of VARRAY.
3769 * reload.h: Update the prototype for
3770 reg_equiv_memory_loc_varray.
3772 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3773 Eric Botcazou <ebotcazou@libertysurf.fr>
3775 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3778 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3781 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3782 to expand fallback builtin function call.
3784 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3787 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3788 and emit libcall here in case the builtin fails.
3789 (expand_builtin_strcmp): Always emit the libcall here on failure.
3791 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3793 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3794 * flow.c (reg_n_info): Change the type to
3795 VEC(reg_info_p,heap) *.
3796 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3798 * regs.h (reg_info_p): New.
3799 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3800 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3801 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3804 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3806 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3808 * params.h (MAX_SCHED_READY_INSNS): New macro.
3809 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3810 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3811 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3812 the ready list for 1 cycle during the first scheduling pass.
3813 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3815 2006-04-13 Richard Henderson <rth@redhat.com>
3818 * gimple-low.c (lower_omp_directive): Remove dead code.
3819 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3820 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3821 * omp-low.c (struct omp_region): Move to tree-flow.h.
3822 (root_omp_region): Export.
3823 (omp_regions, lookup_omp_region): Remove.
3824 (determine_parallel_type): Update for struct omp_region changes.
3825 (dump_omp_region): Dump regions with block numbers.
3826 (new_omp_region): Take type and block instead of stmt; malloc
3828 (free_omp_region_1, free_omp_regions): New.
3829 (expand_parallel_call): Take entry_stmt as argument; update for
3830 changes to omp_region.
3831 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3832 (remove_exit_barriers): New.
3833 (expand_omp_parallel): Update for struct omp_region changes.
3834 (expand_omp_synch): Likewise.
3835 (expand_omp): Likewise.
3836 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3837 (expand_omp_for_static_chunk): Likewise.
3838 (expand_omp_for): Likewise.
3839 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3840 (expand_omp_sections): Similarly, with GOMP_sections_end.
3841 (expand_omp_single): New.
3842 (build_omp_regions_1): Update for OMP_CONTINUE.
3843 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3844 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3845 OMP_SECTIONS_SECTIONS.
3846 (lower_omp_single_simple): Don't emit barrier here.
3847 (lower_omp_single_copy): Likewise.
3848 (lower_omp_single): Fix bindings, and lower to straightline now.
3849 (lower_omp_master, lower_omp_ordered): Likewise.
3850 (lower_omp_critical): Likewise.
3851 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3852 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3853 omp edges, free it afterward.
3854 (make_omp_sections_edges): Remove.
3855 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3856 (move_stmt_r): Handle OMP_CONTINUE.
3857 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3858 statement pointers to basic blocks. Add type member.
3859 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3860 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3861 * tree-inline.c (estimate_num_insns_1): Likewise.
3862 * tree-pretty-print.c (dump_generic_node): Likewise.
3863 * tree-ssa-operands.c (get_expr_operands): Likewise.
3864 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3865 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3866 (OMP_CONTINUE): New.
3867 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3868 (OMP_SECTIONS_SECTIONS): Remove.
3869 (OMP_SECTION_LAST): New.
3870 (OMP_RETURN_NOWAIT): New.
3872 2006-04-13 Roger Sayle <roger@eyesopen.com>
3874 * fold-const.c (native_encode_vector, native_interpret_real):
3875 Correct obvious mistakes in the previous check-in.
3877 2006-04-13 Roger Sayle <roger@eyesopen.com>
3879 * fold-const.c (native_encode_expr): New function to encode
3880 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3881 or VECTOR_CST into a specified buffer.
3882 (native_encode_int): New function.
3883 (native_encode_real): New function.
3884 (native_encode_complex): New function.
3885 (native_encode_vector): New function.
3886 (native_interpret_expr): Inverse of native_encode_expr to convert
3887 a target representation into an INTEGER_CST, REAL_CST etc...
3888 (native_interpret_int): New function.
3889 (native_interpret_real): New function.
3890 (native_interpret_complex): New function.
3891 (native_interpret_vector): New function.
3892 (fold_view_convert_expr): New function to constant fold/evaluate
3893 a VIEW_CONVERT_EXPR of a suitable constant expression.
3894 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3895 Change call of build1 to fold_build1 when constructing a
3898 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3899 Ulrich Weigand <uweigand@de.ibm.com>
3902 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3905 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3908 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3909 optimize to lo_sum for DFmode if !TARGET_FPRS.
3911 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3913 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3914 delete_alias_info, compute_flow_sensitive_aliasing,
3915 group_aliases): Use VEC instead of VARRAY.
3916 * tree-ssa-structalias.c (update_alias_info): Likewise.
3917 * tree-ssa-structalias.h (alias_info): Change the type of
3918 processed_ptrs to VEC(tree,heap) *.
3920 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3923 * config/sh/lib1funcs.h: New file, broken out of:
3924 * config/sh/lib1funcs.asm.
3925 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3927 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3928 * config/sh/lib1funcs-Os-4-200.asm: New file.
3929 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3930 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3931 (EXTRA_MULTILIB_PARTS): Include it.
3932 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3933 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3934 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3935 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3938 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3940 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3941 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3942 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3944 * tree-ssa-live.h: Include vecprim.h.
3945 (tree_partition_associator_d): Change the type of
3946 first_partition to VEC(int,heap) *.
3947 (tpa_first_partition): Use VEC instead of VARRAY.
3949 * Makefile.in (GTFILES): Move functions.h after tree.h.
3950 * function.c (reset_block_changes, record_block_change,
3951 check_block_change, free_block_changes): Use VEC instead of
3953 * function.h (function): Change the type of
3954 ib_boundaries_block to VEC(tree,gc) *.
3955 * tree-inline.c (copy_cfg_body): Initialize
3956 ib_boundaries_block to NULL instead of (varray_type) 0.
3958 2006-04-12 Roger Sayle <roger@eyesopen.com>
3960 * expr.c (emit_group_store): Correct operand order in call to
3961 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3962 a SUBREG_BYTE of zero.
3964 2006-04-12 Richard Guenther <rguenther@suse.de>
3966 * profile.c (compute_branch_probabilities): Remove code
3967 encapsulated in !ir_type (), which are remanents of the
3968 removed RTL profiling code.
3969 * rtl-profile.c: Remove.
3971 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3973 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3974 magic NULL_RTX comment.
3975 (function_arg): Store entire fp arg to mem if any part should go
3977 (rs6000_arg_partial_bytes): Adjust for above change.
3979 2006-04-11 Roger Sayle <roger@eyesopen.com>
3981 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3982 if it hasn't been initialized by dwarf2out_init.
3984 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3986 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3987 symbolic constants in branch patterns.
3989 2006-04-11 Roger Sayle <roger@eyesopen.com>
3991 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3993 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3995 PR rtl-optimization/27073
3996 * gcse.c (try_replace_reg): Revert last change. Continue to search
3997 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4000 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4002 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4003 aggregate types other than record and union types.
4004 (function_arg): Likewise.
4005 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4007 (function_value): In 64-bit mode, return objects that require it
4010 2006-04-11 Roger Sayle <roger@eyesopen.com>
4012 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4014 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4016 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4018 2006-04-03 Jeff Law <law@redhat.com>
4021 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4022 alias information too.
4024 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4026 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4028 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4031 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4032 (premark_used_types_helper): New.
4033 (premark_used_types): New.
4034 (gen_subprogram_die): Call premark_used_types.
4035 (prune_unused_types_walk): Do not prune perennial dies.
4036 * function.c (used_types_insert): New.
4037 * function.h (struct function): Add used_types_hash field.
4038 (used_types_insert): Add prototype.
4039 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4040 * c-parser.c (c_parser_cast_expression): Save casted types in used
4043 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4046 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4047 rs6000_explicit_options.float_gprs.
4049 2006-04-10 Roger Sayle <roger@eyesopen.com>
4051 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4052 from ix86_expand_vector_init_low_nonzero. Take an additional
4053 one_var argument indicating which element is non-zero. Support
4054 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4055 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4056 with one_var instead of ix86_expand_vector_init_low_nonzero.
4058 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4060 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4061 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4062 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4063 build/genextract.o): Depend on vecprim.h.
4064 * cfglayout.c, df-problems.c, function.c, genextract.c,
4065 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4066 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4070 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4072 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4073 Declare VECs of this type.
4074 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4075 (remove_children): Delete.
4076 (add_dwarf_attr): Use VEC routines.
4077 (add_AT_flag): Update for changes to add_dwarf_attr.
4078 (add_AT_int): Likewise.
4079 (add_AT_unsigned): Likewise.
4080 (add_AT_long_long): Likewise.
4081 (add_AT_vec): Likewise.
4082 (add_AT_string): Likewise.
4083 (add_AT_die_ref): Likewise.
4084 (add_AT_fde_ref): Likewise.
4085 (add_AT_loc): Likewise.
4086 (add_AT_loc_list): Likewise.
4087 (add_AT_addr): Likewise.
4088 (add_AT_lbl_id): Likewise.
4089 (add_AT_lineptr): Likewise.
4090 (add_AT_macptr): Likewise.
4091 (add_AT_offset): Likewise.
4092 (add_AT_range_list): Likewise.
4093 (get_AT): Use VEC_iterate.
4094 (remove_AT): Use VEC_ordered_remove.
4095 (free_die): Fold remove_children into here; have it use VEC_iterate.
4096 (print_die): Use VEC_iterate on attrs.
4097 (reverse_die_lists): Don't reverse attr lists.
4098 (die_checksum): Use VEC_iterate on attrs.
4099 (same_die_p): Likewise.
4100 (output_location_lists): Likewise.
4101 (build_abbrev_table): Likewise.
4102 (size_of_die): Likewise.
4103 (unmark_all_dies): Likewise.
4104 (output_abbrev_section): Likewise.
4105 (output_die): Likewise.
4106 (prune_unused_types_walk_attribs): Likewise.
4108 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4110 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4112 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4115 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4117 2006-04-09 Roger Sayle <roger@eyesopen.com>
4119 * expr.c (store_constructor): Don't bother clearing target if
4120 we're about to assign a vector to it using vec_init_optab.
4122 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4124 * tree-ssa-alias.c (lhs_may_store_to): New function.
4125 (recalculate_used_alone): Handle LHS of calls.
4127 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4131 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4132 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4133 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4134 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4135 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4136 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4137 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4138 stubs. Add ".align 8" directives before all ".dword" directives.
4139 (GTHREAD_USE_WEAK): Revise comment.
4140 (TARGET_ATTRIBUTE_WEAK): Define.
4141 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4142 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4143 * stublib.c: New file.
4148 * pa.md (cbranch patterns): Revise arguments used in calls to
4149 output_cbranch, output_bb and output_bvd. Add long branch length
4151 (fbranch patterns): Handle long branches.
4152 (jump): Revise length check. Revise arguments for output_lbranch call.
4153 Add long branch length attributes.
4154 (decrement_and_branch_until_zero): Add long branch length attributes.
4155 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4156 Likewise. Revise arguments for output_parallel_addb and
4157 output_parallel_movb calls.
4158 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4159 output_parallel_movb and output_parallel_addb): Update prototypes.
4160 * pa.c (output_cbranch): Revise arguments. Correct handling of
4161 nullification in long branches.
4162 (output_lbranch): Add new argument to control extraction of delay
4164 (output_bb): Handle long branches.
4165 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4166 output_parallel_addb): Likewise.
4168 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4170 PR rtl-optimization/27073
4171 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4174 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4176 * tree.h (tree_memory_tag): Add old_used_alone.
4177 (SMT_OLD_USED_ALONE): New macro.
4178 * tree-ssa-alias.c (recalculate_used_alone): Stop
4179 marking things for renaming unnecessarily.
4181 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4183 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4184 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4185 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4186 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4187 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4188 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4189 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4190 spelling convensions.
4191 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4192 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4193 typos. Follow spelling conventions.
4195 2006-04-07 DJ Delorie <dj@redhat.com>
4197 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4198 passed on the stack.
4199 (m32c_init_cumulative_args): When a function returns a structure,
4200 always pass the pointer to that return area on the stack.
4201 (m32c_function_arg_advance): Don't increment the parameter number
4202 if we're processing the returned structure pointer.
4203 (pushm_info): Reverse order of registers.
4205 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4207 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4208 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4209 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4210 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4212 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4213 chrec_fold_multiply): Same.
4214 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4215 force_expr_to_var_cost): Same.
4216 * tree-mudflap.c (mf_xform_derefs_1): Same.
4217 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4219 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4221 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4222 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4225 2006-04-07 Jan Hubicka <jh@suse.cz>
4227 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4229 2006-04-07 Richard Guenther <rguenther@suse.de>
4231 PR tree-optimization/26135
4232 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4233 loads for store copy-prop.
4234 (copy_prop_visit_stmt): Likewise.
4236 2006-04-05 Robert Millan <robertmh@gnu.org>
4238 * config/i386/linux.h: Add a comment to mark macros that are
4239 being overriden in config/k*bsd-gnu.h.
4240 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4242 * config/knetbsd-gnu.h: Ditto.
4244 2006-04-06 Jan Hubicka <jh@suse.cz>
4248 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4251 2006-04-06 Mike Stump <mrs@apple.com>
4253 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4254 for HAVE_nonlocal_goto to be consistent.
4255 (expand_builtin_nonlocal_goto): Likewise.
4256 (expand_builtin_strcmp): Use #ifdef instead of #if
4257 for HAVE_cmpstrnsi to be consistent.
4259 2006-04-05 DJ Delorie <dj@redhat.com>
4261 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4264 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4266 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4267 got-relative addressing for anything but SImode.
4269 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4270 even if the calling function doesn't modify them.
4272 2006-04-05 Richard Guenther <rguenther@suse.de>
4274 PR tree-optimization/26919
4275 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4276 to cgraph_estimate_size_after_inlining.
4278 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4280 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4282 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4284 PR tree-optimization/26996
4285 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4286 VECTOR_TYPE variables.
4288 2006-04-05 Richard Guenther <rguenther@suse.de>
4290 PR tree-optimization/26763
4291 * fold-const.c (fold_comparison): Move folding of
4292 PTR + CST CMP PTR + CST ...
4293 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4295 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4297 * doc/install.texi (Prerequisites): Refine some wording on
4298 bootstrapping and ksh.
4299 Move the version numbers of DejaGnu here from the testing section
4300 and fix casing of names.
4301 Fix markup and clarify wording for autogen requirements.
4302 Refer to GCJ instead of just java.
4303 Refer to SVN instead of CVS.
4304 Describe diffutils as useful instead of necessary.
4305 (Downloading the source): Refer to SVN instead of CVS.
4306 Adjust a link to our web site accordingly.
4307 (Configuration): Fix casing of Bison.
4308 (Building): Refer to SVN instead of CVS.
4309 Fix a sentence on the use of Bison and remove duplicate (and
4310 incorrect) version number of Bison requirement.
4311 Remove one redundant list of packages needed for building.
4312 (Specific): Avoid reference to CVS.
4314 2006-04-04 Eric Christopher <echristo@apple.com>
4316 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4317 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4318 (rs6000_handle_struct_attribute): New.
4319 (rs6000_ms_bitfield_layout_p): Ditto.
4321 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4323 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4324 NULL for dso parameter to atexit_common.
4326 2006-04-04 Eric Christopher <echristo@apple.com>
4328 * config/i386/i386.c (machopic_output_stub): Output \t
4329 between instructions and operands.
4331 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4333 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4334 satisfies_constraint_[IL] to explicit tests on value.
4336 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4338 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4339 set_nb_iterations_in_loop): Use build_int_cst instead of
4341 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4342 build_int_cst instead of convert.
4344 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4346 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4347 new value 2 for incoming.
4348 * function.c (expand_function_start): Call struct_value_rtx
4350 * config/sparc/sparc.md: Comment updated_return.
4351 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4352 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4353 struct return if sparc_std_struct_return and incoming is 2.
4354 (print_operand): Do not adjust return if
4355 sparc_std_struct_return.
4357 2006-04-04 Roger Sayle <roger@eyesopen.com>
4359 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4360 convert in the middle-end.
4361 * expr.c (store_expr, store_constructor, get_inner_reference,
4362 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4364 * tree.c (build_range_type): Likewise.
4366 2006-04-04 Tom Tromey <tromey@redhat.com>
4368 * doc/install.texi (Prerequisites): Mention jar.
4370 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4372 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4375 2006-04-04 Matthias Klose <doko@debian.org>
4377 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4378 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4381 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4383 * doc/extend.texi (Function Attributes): Rewrite visibility
4384 attribute documentation.
4385 * doc/invoke.texi (C++ Dialect Options): Rewrite
4386 -fvisibility-inlines-hidden documentation to describe something
4387 entirely different, although in practise compatible.
4388 (Code Gen Options): Warn about system headers in -fvisibility=
4391 * doc/extend.texi (Other Builtins): Document that
4392 __builtin_nan is a compile-time constant only when its argument
4395 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4397 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4398 trying to remove TRUNCATE check if all bits outside the new mode
4399 are identical to the sign bit.
4401 2006-04-03 Jeff Law <law@redhat.com>
4403 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4404 and operand scanning in some common cases.
4406 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4407 Dale Johannesen <dalej@apple.com>
4410 * regclass.c (struct reg_pref): Update documentation.
4411 (regclass): Set prefclass to NO_REGS if memory is the best option.
4412 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4413 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4414 into account. For non-registers, equate an empty preferred
4415 reload class to a `!' in the constraint; move the if clause to
4416 do so after those that reject the insn.
4417 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4419 (find_dummy_reload): Likewise.
4420 * doc/tm.texi (Register Classes): Document what it means
4421 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4422 * config/i386/i386.c (ix86_preferred_reload_class): Force
4423 using SSE registers (and return NO_REGS for floating-point
4424 constants) if math is done with SSE.
4425 (ix86_preferred_output_reload_class): New.
4426 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4427 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4428 * config/i386/i386.md: Remove # register preferences.
4430 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4433 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4434 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4435 the type of nb_iter.
4436 (instantiate_parameters_1): Convert the operands before calling
4437 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4438 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4440 2006-04-02 Roger Sayle <roger@eyesopen.com>
4442 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4443 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4445 * dojump.c (do_jump): Likewise.
4446 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4447 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4448 gimplify_boolean_expr): Likewise.
4449 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4450 * varasm.c (array_size_for_constructor): Likewise.
4451 * tree-object-size.c (compute_object_offset): Likewise.
4453 2006-04-02 Roger Sayle <roger@eyesopen.com>
4456 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4457 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4459 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4461 PR tree-optimization/26939
4462 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4464 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4466 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4467 at_stmt. Convert the type of operands before calling
4468 build_polynomial_chrec.
4469 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4471 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4472 (instantiate_parameters_1): Convert the type of operands before calling
4473 build_polynomial_chrec.
4474 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4475 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4476 reset_evolution_in_loop): Insert asserts to check the types of the
4478 (chrec_type): Moved...
4479 (eq_evolutions_p): Use operand_equal_p.
4480 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4481 the types of the operands.
4482 (chrec_type): ...here.
4483 * tree-data-ref.c (create_data_ref): Convert the operands before
4484 calling chrec_replace_initial_condition.
4485 (same_access_functions, analyze_subscript_affine_affine,
4486 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4487 (compute_subscript_distance, analyze_ziv_subscript,
4488 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4489 analyze_miv_subscript): Convert the operands before calling
4490 chrec_fold_minus or chrec_fold_plus.
4492 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4494 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4495 the dependence_relations vector.
4496 (compute_data_dependences_for_loop): Adjust call to
4497 compute_all_dependences.
4499 2006-04-01 Roger Sayle <roger@eyesopen.com>
4500 Richard Henderson <rth@redhat.com>
4502 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4503 gimple_boolify on the condition before calling gimplify_expr.
4505 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4507 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4508 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4509 the frame size. Update to use the new macros.
4510 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4511 * config/xtensa/ieee754-df.S: Likewise.
4513 2006-03-31 Richard Henderson <rth@redhat.com>
4515 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4516 (make_edges): ... here. Control fallthru creation with a local
4517 variable. Do not play with fake edges.
4518 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4519 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4522 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4524 * dwarf2.h (DW64_CIE_ID): Define.
4525 * dwarf2out.c (DWARF_CIE_ID): Define.
4526 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4527 length header. Use DWARF_CIE_ID.
4528 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4529 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4531 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4533 * config/sh/linux-atomic.asm: New file.
4534 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4536 2006-03-31 DJ Delorie <dj@redhat.com>
4538 * config/m32c/cond.md: Set condition flags properly throughout.
4539 * config/m32c/minmax.md: Likewise.
4540 * config/m32c/prologue.md: Likewise.
4541 * config/m32c/bitops.md: Likewise.
4542 * config/m32c/muldiv.md: Likewise.
4543 * config/m32c/mov.md: Likewise.
4544 * config/m32c/addsub.md: Likewise.
4545 * config/m32c/m32c.md: Likewise.
4546 * config/m32c/jump.md: Likewise.
4547 * config/m32c/shift.md: Likewise.
4549 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4550 conditionally output the pattern for this.
4551 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4552 (m32c_compare_redundant): New.
4553 (m32c_output_compare): New.
4554 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4556 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4557 dest, not src. Allow other 4-byte modes.
4559 2006-03-30 Denis Chertykov <denisc@overta.ru>
4561 * doc/md.texi: Refer to avr/constraints.md instead of
4564 2006-03-30 Roger Sayle <roger@eyesopen.com>
4566 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4567 signed vs. unsigned comparison failures on some hosts.
4569 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4572 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4573 change to FLOAT_REGS.
4575 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4576 (rs6000_override_options): Use it.
4577 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4578 only for -mabi=spe/no-spe and -mabi=altivec.
4580 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4582 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4585 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4587 * Makefile.in: Rename docdir to gcc_docdir.
4589 2006-03-30 Roger Sayle <roger@eyesopen.com>
4592 * expr.c (emit_group_store): Optimize group stores into a pseudo
4593 register by using a paradoxical subreg to initialize the destination
4594 if the first or last member of the group specifies a "low part".
4596 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4599 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4600 * target.h (struct gcc_target.speculate_insn): Change type of the
4601 second parameter to 'int'.
4602 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4603 the second operand of the DEPS_LIST.
4604 (copy_DEPS_LIST_list): Update reference to the second operand of the
4606 * rtl.h (alloc_DEPS_LIST): Update signature.
4607 * sched-int.h (ds_t): Change typedef to 'int'.
4608 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4610 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4612 * haifa-sched.c (try_ready): Change condition to restore
4613 non-speculative pattern of the instruction.
4614 (process_insn_depend_be_in_spec): Code to keep probability of the
4615 speculative dependence non-decreasing.
4617 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4619 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4620 (single_move_for_movmem): ... this. Also change all uses.
4621 (bfin_expand_strmov): Renamed to...
4622 (bfin_expand_movmem): ... this. Also change all uses.
4623 * config/bfin/bfin.md (movstrsi): Renamed to...
4624 (movstrsi): ...this.
4626 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4628 PR tree-optimization/26830
4630 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4631 (copy_prop_visit_stmt): Remove write-only variable ann.
4632 (init_copy_prop): Check variable loop depth here. Do not simulate
4633 memory-tag and virtual operand PHIs except for store copy prop.
4635 2006-03-30 Richard Guenther <rguenther@suse.de>
4637 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4638 variants with double arguments.
4640 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4642 * genpreds.c (write_tm_constrs_h): Delete variable p.
4643 * genconditions.c (write_header): Add tm-constrs.h to included
4645 * genpeep.c (main): Add toplev.h to included headers.
4646 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4647 (build/genpeep.o): Add toplev.h dependency.
4648 * config/rs6000/constraints.md: Add "W" constraint.
4650 2006-03-29 Roger Sayle <roger@eyesopen.com>
4652 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4653 sizes by correctly testing whether the size fits a host integer.
4654 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4655 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4656 SImode range for the default sizetype and bitsizetype.
4658 2006-03-29 Roger Sayle <roger@eyesopen.com>
4660 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4661 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4662 quickly if the argument is already of the correct type.
4663 Call fold_build1 instead of build1. Tidy up blank lines.
4665 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4667 * genemit.c (main): Add tm-constrs.h to included headers.
4668 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4669 * genpeep.c (main): Add tm-constrs.h to included headers.
4670 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4671 (write_tm_constrs_h): this and write complete file.
4672 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4673 (write_insn_preds_c): Add tm-constrs.h to included headers.
4674 (gen_constrs): New variable.
4675 (parse_option): Parse "-c".
4676 (main): Invoke write_tm_constrs_h.
4677 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4678 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4679 (object_out_file): Add tm-constrs.h dependency.
4680 (insn-emit.o): Same.
4681 (insn-output.o): Same.
4682 (insn-peep.o): Same.
4683 (insn-preds.o): Same.
4684 (insn-recog.o): Same.
4685 (tm-constsr.h): New target.
4686 (s-constrs-h): New target.
4688 * config/rs6000/constraints.md: New file.
4689 * config/rs6000/rs6000.c: Include tm-constrs.h.
4690 (num_insn_constant_wide): Convert to satisfies_constraint.
4691 (rs6000_rtx_costs): Convert to satisfies_constraint.
4692 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4693 (CONST_OK_FOR_LETTER_P): Delete.
4694 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4695 (EXTRA_CONSTRAINT): Delete.
4696 (EXTRA_MEMORY_CONSTRAINT): Delete.
4697 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4698 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4699 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4700 satisfies_constraint.
4702 * config/i386/i386.c: Include tm-constrs.h.
4704 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4706 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4707 * tree-data-ref.c (find_data_references_in_loop,
4708 compute_data_dependences_for_loop): Use pointers to VEC.
4709 (analyze_all_data_dependences): Adjust calls.
4710 * tree-data-ref.h (find_data_references_in_loop,
4711 compute_data_dependences_for_loop): Adjust declarations.
4712 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4713 compute_data_dependences_for_loop.
4715 2006-03-29 Paul Brook <paul@codesourcery.com>
4717 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4720 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4722 PR tree-optimization/26859
4723 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4725 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4726 for the step after fold_convert.
4728 2006-03-29 Paul Brook <paul@codesourcery.com>
4730 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4731 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4733 2006-03-29 Paul Brook <paul@codesourcery.com>
4736 * targhooks.c (default_narrow_bitfield): New fuction.
4737 * targhooks.h (default_narrow_bitfield): add prototype.
4738 * target.h (gcc_target): Add narrow_volatile_bitfield.
4739 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4740 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4741 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4742 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4744 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4746 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4748 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4749 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4750 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4751 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4752 (s390_function_arg_float): Allow SDmode and DDmode values to be
4753 passed in floating point registers.
4754 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4755 check with SCALAR_FLOAT_MODE_P.
4756 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4758 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4760 PR tree-optimization/25985
4761 * tree-ssa-loop-niter.c (number_of_iterations_le,
4762 number_of_iterations_ne): Make comments more precise.
4763 (number_of_iterations_cond): Add only_exit argument. Use the
4764 fact that signed variables do not overflow only when only_exit
4766 (loop_only_exit_p): New.
4767 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4768 number_of_iterations_cond.
4770 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4772 PR tree-optimization/26643
4773 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4776 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4778 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4779 (divsi3_i4_int): Likewise.
4781 2006-03-28 Roger Sayle <roger@eyesopen.com>
4783 * expr.c (emit_group_store): Only create a new pseudo reg if the
4784 quantity it needs to hold isn't already a suitable pseudo.
4786 2006-03-28 Jeff Law <law@redhat.com>
4788 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4789 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4791 2006-03-28 Roger Sayle <roger@eyesopen.com>
4793 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4794 the equivalent ~X & Y, and the symmetry related transformations.
4795 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4796 ~X & Y, and symmetry related transforms.
4798 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4800 Revert my 2006-03-27 patches.
4802 2006-03-28 Roger Sayle <roger@eyesopen.com>
4804 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4805 ~(T1)X, when T1 and T2 are integer types of the same precision
4806 and (T2)X isn't an extension.
4808 2006-03-28 Jeff Law <law@redhat.com>
4810 PR tree-optimization/26796
4811 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4812 need EH edge cleanups rather than purging them immediately.
4813 (eliminate_degenerate_phis): Handle queued EH cleanups.
4815 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4817 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4820 2006-03-27 Roger Sayle <roger@eyesopen.com>
4823 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4824 cast BIT_NOT_EXPR operand to the correct type.
4826 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4828 * tree-loop-linear.c: Don't include varray.h.
4829 (gather_interchange_stats, try_interchange_loops,
4830 linear_transform_loops): Use VEC instead of VARRAY.
4831 * lambda-mat.c: Don't include varray.h.
4832 * tree-chrec.c: Same.
4833 * lambda-trans.c: Same.
4834 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4835 VEC instead of VARRAY.
4836 * tree-vectorizer.h: Idem.
4837 * tree-data-ref.c (dump_data_references,
4838 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4839 initialize_data_dependence_relation, finalize_ddr_dependent,
4840 compute_all_dependences, find_data_references_in_loop,
4841 compute_data_dependences_for_loop, analyze_all_data_dependences,
4842 free_dependence_relation, free_dependence_relations,
4843 free_data_refs): Idem.
4844 * tree-data-ref.h (data_reference_p, subscript_p): New.
4845 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4846 VEC instead of VARRAY.
4847 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4848 (find_data_references_in_loop, compute_data_dependences_for_loop,
4849 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4850 dump_data_dependence_relations, free_dependence_relations,
4851 free_data_refs): Adjust declaration.
4852 (lambda_transform_legal_p): Move declaration here...
4853 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4854 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4855 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4856 vect_analyze_data_refs): Use VEC instead of VARRAY.
4857 * lambda.h (lambda_transform_legal_p): ...from here.
4858 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4859 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4860 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4861 tree-chrec.o): Don't depend on VARRAY_H.
4863 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4865 * rtl.def (Copyright): Update date.
4866 (DEPS_LIST): Change type of the second operand to 'int'.
4867 * target.h (Copyright): Update date.
4868 (struct gcc_target.speculate_insn): Change type of the second parameter
4870 * lists.c (Copyright): Update date.
4871 (alloc_DEPS_LIST): Change signature. Update reference to the second
4872 operand of the DEPS_LIST.
4873 (copy_DEPS_LIST_list): Update reference to the second operand of the
4875 * rtl.h (Copyright): Update date.
4876 (alloc_DEPS_LIST): Update signature.
4877 * sched-int.h (Copyright): Update date.
4878 (ds_t): Change typedef to 'int'.
4879 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4881 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4883 * haifa-sched.c (Copyright): Update date.
4884 (try_ready): Change condition to restore non-speculative pattern
4886 (process_insn_depend_be_in_spec): Code to keep probability of the
4887 speculative dependence non-decreasing.
4889 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4891 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4892 shut up the compiler.
4894 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4896 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4897 to use lib prefix for target.
4898 ($(T)libic_invalidate_array_4-200.a): Likewise.
4899 ($(T)libic_invalidate_array_4a.a): Likewise.
4901 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4902 J"orn Rennecke <joern.rennecke@st.com>
4904 * superh.opt: New file.
4905 * sh.c (boardtype, osruntime): Remove.
4906 * superh.h (SUBTARGET_OPTIONS): Remove.
4907 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4909 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4910 arguments with ^ and/or [].
4912 * config.gcc (sh-*-*): Add quoting to account for quirk of
4914 Replace == with = in enable_incomplete_targets test.
4916 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4917 with MASK_LITTLE_ENDIAN.
4919 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4920 * config/sh/sh.opt: Added to some comments.
4921 * config/sh/superh.h: Removed some chaff.
4923 * config/sh/sh.opt: Add m4-[1234]00* options.
4924 * config/sh/sh.c (sh_handle_option): Likewise.
4925 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4926 (ic_invalidate_array_4-100.o): New rule.
4927 ($(T)libic_invalidate_array_4-100.a): Likewise.
4928 (ic_invalidate_array_4-200.o): Likewise.
4929 ($(T)libic_invalidate_array_4-200.a): Likewise.
4930 (ic_invalidate_array_4a.o): Likewise.
4931 ($(T)libic_invalidate_array_4a.a): Likewise.
4932 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4933 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4935 * config/sh/crt1.asm: Merged in profiling code.
4936 * config/sh/superh.h (STARTFILE_SPEC): Override.
4937 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4938 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4939 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4941 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4942 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4943 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4945 * sh.opt (mpretend-cmove): New option.
4946 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4947 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4948 (movsicc): Add TARGET_PRETEND_CMOVE code.
4950 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4952 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4953 s390_class_max_nregs): New function prototypes.
4954 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4955 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4956 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4957 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4959 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4961 * dwarf2out.c (add_location_or_const_value_attribute): Call
4962 tree_add_const_value_attribute if nothing else works.
4963 (reference_to_unused): New.
4964 (rtl_for_decl_init): Use reference_to_unused to decide whether
4965 to output an initializer.
4967 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4970 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4971 peephole removing spe frob_di_df_2.
4973 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4975 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4976 (subscript_dependence_tester_1): Declared.
4977 (print_dir_vectors, print_dist_vectors): New.
4978 (debug_data_dependence_relation): New.
4979 (dump_data_dependence_relation): Print more details.
4980 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4981 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4982 (save_dist_v, save_dir_v, add_outer_distances,
4983 build_classic_dist_vector_1): New.
4984 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4985 Don't test for lambda_vector_lexico_pos.
4986 (same_access_functions, add_multivariate_self_dist,
4987 add_other_self_distances, dir_from_dist): New.
4988 (build_classic_dir_vector): Replace implementation almost identical to
4989 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4991 (subscript_dependence_tester_1): New.
4992 (subscript_dependence_tester): Handle the lexicographically negative
4993 distance vectors by recomputing the dependence relation.
4994 (compute_affine_dependence): Remove parameter loop_nest_depth.
4995 (compute_self_dependence): Don't call compute_subscript_distance.
4996 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4997 Add a parameter for the loop_nest.
4998 (find_loop_nest_1, find_loop_nest): New.
4999 (compute_data_dependences_for_loop): Compute the loop nest, and give
5000 up if the nest is not well formed.
5001 * tree-data-ref.h (loop_p): New.
5002 (struct data_dependence_relation): Replace size_vect field with
5003 loop_nest, a vec of loops.
5004 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5005 (DDR_LOOP_NEST): New.
5006 (print_dir_vectors, print_dist_vectors,
5007 debug_data_dependence_relation): Declared.
5008 (index_in_loop_nest): New.
5009 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5010 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5013 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5015 * simplify-rtx.c (simplify_relational_operation): Call
5016 simplify_relational_operation_1 even if mode is VOIDmode.
5018 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5020 PR tree-optimization/26804
5021 * tree.h (DECL_CALL_CLOBBERED): New macro.
5022 (tree_decl_common): Add call_clobbered_flag.
5023 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5024 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5025 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5026 (mark_non_addressable): Ditto.
5027 * tree-ssa.c (verify_call_clobbered): New function.
5028 (verify_alias_info): Use it.
5029 * tree-pass.h (pass_reset_cc_flags): New prototype.
5030 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5031 (reset_cc_flags): New function.
5032 * passes.c (init_optimization_passes): Call reset_cc_flags after
5033 initializing referenced_vars.
5035 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5036 Roger Sayle <roger@eyesopen.com>
5039 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5040 to 1.0 for non-real operands. Implement A / A optimization for
5043 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5045 * config/i386/i386.c (size_cost): Correct the comment for
5046 cost of storing fp registers.
5047 (i386_cost): Likewise.
5048 (i486_cost): Likewise.
5049 (pentium_cost): Likewise.
5050 (pentiumpro_cost): Likewise.
5051 (k6_cost): Likewise.
5052 (athlon_cost): Likewise.
5053 (k8_cost): Likewise.
5054 (pentium4_cost): Likewise.
5055 (nocona_cost): Likewise.
5056 (generic64_cost): Likewise.
5057 (generic32_cost): Likewise.
5059 2006-03-24 Denis Chertykov <denisc@overta.ru>
5061 * config/avr/avr-protos.h (extra_constraint): Delete.
5062 (extra_constraint_Q): New declaration.
5063 * config/avr/constraints.md: New file.
5064 * config/avr/avr.md: Include it.
5065 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5066 (TMP_REGNO, ZERO_REGNO): Likewise.
5067 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5068 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5069 (extra_constraint): Delete.
5070 (extra_constraint_Q): Test for memory constraint 'Q'.
5071 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5072 (REG_CLASS_FROM_LETTER): Delete.
5073 (CONST_OK_FOR_LETTER_P): Delete.
5074 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5075 (EXTRA_CONSTRAINT): Delete.
5076 (TMP_REGNO): Delete.
5077 (ZERO_REGNO): Delete.
5079 2006-03-24 Jeff Law <law@redhat.com>
5081 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5082 directly. Call mark_new_vars_to_rename slightly earlier.
5084 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5086 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5088 (gen_compile_unit_die): Use new language types for Objective-C and
5090 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5091 DW_LANG_C_plus_plus.
5094 * config/t-darwin (crt3.o): Work around bug 26840.
5095 * config/darwin-crt3.c: Rewrite.
5096 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5098 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5100 * doc/invoke.texi: Document -femit-class-debug-always
5101 * common.opt: Add -femit-class-debug-always.
5103 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5105 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5106 index and base register.
5107 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5108 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5109 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5110 REGNO_OK_FOR_INDEX_P.
5111 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5113 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5114 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5115 REG_OK_FOR_BASE_P): Definitions removed.
5117 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5120 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5121 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5122 set yet or weren't marked as local yet.
5124 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5126 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5129 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5131 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5132 (rs6000_legitimate_small_data_p): Delete.
5133 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5134 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5135 and make static. Add forward declaration. Update uses.
5136 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5137 of offsettable_memref_p.
5138 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5139 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5141 2006-03-24 Jeff Law <law@redhat.com>
5143 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5144 around bug in immediate-use iterator.
5146 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5149 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5150 or __LITTLE_ENDIAN__.
5152 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5154 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5155 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5156 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5157 * config/sh/sh.opt (mdiv=): Amend description.
5158 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5159 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5160 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5161 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5162 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5163 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5164 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5165 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5166 TARGET_DIVIDE_CALL_FP.
5168 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5170 * haifa-sched.c (choose_ready): Fix type of the local variable.
5171 Move local variables. Add comment.
5172 (check_reg_live): Change signature. Make callable from debugger.
5173 * sched-int.h (check_reg_live): Update signature.
5174 * sched-ebb.c (check_reg_live): Update parameters.
5175 * sched-rgn.c (check_reg_live): Ditto.
5176 (region_head_or_leaf_p): Check pointer before dereferencing.
5177 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5178 before reload on optimization levels below 1.
5180 2006-03-23 Richard Henderson <rth@redhat.com>
5182 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5186 * config/alpha/predicates.md (local_symbolic_operand): Reject
5189 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5192 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5193 expressions which have overflowed constants.
5195 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5197 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5199 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5201 * cfgloopmanip.c (create_loop_notes): Removed.
5202 * final.c (final_scan_insn): Do not handle loop notes.
5203 * jump.c (squeeze_notes): Ditto.
5204 * cfglayout.c (skip_insns_after_block,
5205 duplicate_insn_chain): Ditto.
5206 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5208 * cfgloop.h (create_loop_notes): Declaration removed.
5210 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5212 * varasm.c (output_constant_pool): Restore fnname and fndecl
5214 (assemble_start_function): Adjust call accordingly.
5215 (assemble_end_function): Likewise.
5217 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5220 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5223 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5225 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5228 * system.h (ICE_EXIT_CODE): New macro.
5229 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5230 (diagnostic_action_after_output): Likewise.
5231 * gcc.c (fatal_ice): New function.
5232 (execute): Use it instead of fatal.
5233 (fancy_abort): Likewise.
5234 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5236 2006-03-22 Jeff Law <law@redhat.com>
5238 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5239 iv_analyze_result returning false.
5241 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5243 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5245 2006-03-22 Richard Henderson <rth@redhat.com>
5248 * except.c (duplicate_eh_regions_0): New.
5249 (duplicate_eh_region_1): Duplicate the children of the node as
5250 well as the node itself. Link them up properly.
5251 (duplicate_eh_region_2): Merge into ...
5252 (duplicate_eh_regions): ... here. Take copy_region argument, and
5253 copy only a sub-tree if asked. Simplify copying and fixup.
5254 (eh_region_outer_p): New.
5255 * except.h (duplicate_eh_regions): Update decl.
5256 (eh_region_outer_p): Declare.
5257 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5258 (lower_omp_master): Likewise.
5259 (lower_omp_ordered): Likewise.
5260 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5261 (move_stmt_r): Use it to remap labels. Handle recursion vs
5262 remap_decls_p properly.
5263 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5264 (find_outermost_region_in_block): New.
5265 (new_label_mapper): New.
5266 (move_sese_region_to_fn): Copy eh information to the new function
5268 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5270 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5273 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5275 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5276 into shared libraries.
5278 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5280 * doc/md.texi: Refer to i386/constraints.md instead of
5282 * config/i386/constraints.md: New file, extracted from...
5283 * config/i386/predicates.md: ...here.
5284 * config/i386/i386.md: Include constraints.md.
5286 2006-03-21 Jason Merrill <jason@redhat.com>
5288 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5291 * expr.c (init_block_move_fn): Force default visibility.
5292 (init_block_clear_fn): Likewise.
5293 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5294 * targhooks.c (default_external_stack_protect_fail): Likewise.
5296 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5298 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5299 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5300 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5301 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5302 (loadgp): Use mips_current_loadgp_style.
5303 (loadgp_noshared): New pattern.
5304 (sibcall_internal): Use MIPS_CALL.
5305 (sibcall_value_internal): Likewise.
5306 (sibcall_value_multiple_internal): Likewise.
5307 (call_internal): Likewise.
5308 (call_value_internal): Likewise.
5309 (call_value_multiple_internal): Likewise.
5310 (call_split): Use MIPS_CALL and add an 'S' constraint.
5311 (call_value_split): Likewise.
5312 (call_value_multiple_split): Likewise.
5313 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5314 (-mshared): New option.
5315 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5316 (mips_current_loadgp_style): Declare.
5317 * config/mips/mips.c (mips_classify_symbol): Avoid using
5318 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5319 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5320 TARGET_ABSOLUTE_ABICALLS.
5321 (override_options): Adjust comments. Improve the warning that is
5322 issued when -mabicalls and -G are used together.
5323 (mips_file_start): Remove comment.
5324 (mips_current_loadgp_style): New function.
5325 (mips_gnu_local_gp): New variable.
5326 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5328 (mips_output_function_prologue): Use mips_current_laodgp_style.
5329 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5330 the cprestore instruction.
5331 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5332 live for TARGET_ABSOLUTE_ABICALLS.
5333 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5334 (ASM_SPEC): Pass down -mshared and -mno-shared.
5335 (MIPS_CALL): New macro.
5336 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5338 * doc/invoke.texi (-mabicalls): Update documentation.
5339 (-mshared): Document.
5341 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5343 * config/ia64/unwind-hpux.c: New file.
5344 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5346 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5349 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5351 2006-03-21 Jeff Law <law@redhat.com>
5353 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5354 type conversions of a VR_VARYING source to a wider type.
5356 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5358 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5359 tm_file on Solaris 10 and later.
5360 (sparc64-*-solaris2*): Likewise.
5361 (sparc-*-solaris2*): Likewise.
5362 * config/sol26.h: Rename to config/sol2-6.h.
5363 * config/sol2-10.h: New file.
5365 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5368 * tree-ssa-pre.c (create_component_ref_by_pieces):
5371 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5374 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5375 return it immediately.
5377 2006-03-21 Michael Matz <matz@suse.de>
5379 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5381 (remove_arc, add_arc): Update num_out_arcs member.
5382 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5384 (cache_presence): New function.
5385 (compare_states_for_equiv): New function.
5386 (state_is_differed): Don't take number of outargs, adjust callers.
5387 Use new invariant for speeding up.
5388 (init_equiv_class): Create initial classes based on sorted
5390 (partition_equiv_class): Don't track out_arcs_num.
5391 (evaluate_equiv_classes): Call cache_presence on all states and
5394 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5396 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5397 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5398 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5399 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5401 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5402 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5403 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5404 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5405 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5407 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5408 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5409 (REGNO_REG_CLASS): ARGP is in PREGS.
5410 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5412 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5413 to deal with those addresses.
5414 * addresses.h: New file.
5415 * caller-save.c: Include "addresses.h".
5416 (init_caller_save): Use new base_reg_class function.
5417 * rtl-factoring.c: Include "addresses.h".
5418 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5419 * recog.c: Include "addresses.h".
5420 (preprocess_constraints): Use new base_reg_class function.
5421 * regrename.c: Include "addresses.h".
5422 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5423 functions. Keep track of a new var INDEX_CODE to compute valid
5425 (replace_oldest_value_addr): Likewise.
5426 (replace_oldest_value_mem): Use base_reg_class.
5427 * reload.c: Include "addresses.h".
5428 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5429 (find_reloads): Use new base_reg_class function.
5430 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5431 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5432 all callers and prototype changed.
5433 * reload1.c: Include "addresses.h".
5434 (maybe_fix_stack_asms): Use base_reg_class.
5435 * regclass.c: Include "addresses.h".
5436 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5437 (init_reg_autoinc): Use new base_reg_class function.
5438 (record_reg_classes): Likewise.
5439 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5440 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5441 Use new args to compute necessary class.
5443 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5444 regrename.o, rtl-factoring.o): Update dependencies.
5445 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5446 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5447 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5448 REG_OK_FOR_INDEX_P): Delete documentation.
5450 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5452 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5453 from V7 to V9 for Solaris 7 and above.
5455 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5457 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5458 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5459 argument pointers may not alias any other storage.
5460 * common.opt: Define option -fargument-noalias-anything.
5461 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5462 alias semantics is specified by flag_argument_noalias > 2.
5464 2006-03-20 Jeff Law <law@redhat.com>
5466 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5467 (pass_phi_only_cprop): Declare.
5468 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5470 * tree-ssa-dom.c (degenerate_phi_result): New function.
5471 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5472 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5473 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5474 (eliminate_degenerate_phis): Likewise.
5475 (pass_phi_only_cprop): New pass descriptor.
5476 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5477 support code. Callers updated.
5478 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5479 (store_copy_prop): Likewise.
5480 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5482 2006-03-20 Jason Merrill <jason@redhat.com>
5485 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5486 (push_visibility, pop_visibility): Likewise.
5487 * c-pragma.h: Declare them.
5489 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5491 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5493 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5494 parameter and use get_ebb_head_tail.
5495 (sh_md_init_global): Adjust uses of find_regmode_weight.
5497 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5499 * function.h (struct function) <x_tail_recursion_reentry>:
5500 Rename to x_stack_check_probe_note.
5501 (tail_recursion_reentry): Rename to stack_check_probe_note.
5502 * function.c: Replace tail_recursion_reentry with
5503 stack_check_probe_note everywhere.
5504 (expand_function_start): Only emit a note for
5505 stack_check_probe_note with -fstack-protect.
5506 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5508 * emit-rtl.c (remove_unnecessary_notes): Remove.
5509 (pass_remove_unnecessary_notes): Remove.
5510 * rtl.h (remove_unnecessary_notes): Remove prototype.
5511 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5512 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5513 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5515 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5518 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5519 (valid_in_set): Handle ARRAY_REF.
5520 Change "if min_variant or VH" to asserts.
5521 (create_component_ref_by_pieces): Handle ARRAY_REF.
5522 (create_expression_by_pieces): Likewise.
5523 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5525 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5527 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5528 is operand of switch, not str[0].
5530 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5532 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5533 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5535 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5537 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5538 end of insn_extra_address_constraint declaration.
5540 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5542 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5543 (no-sum-in-toc): Same.
5544 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5546 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5547 NO_FP_IN_TOC for -fPIC instead of mask.
5549 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5550 (BOOT_LDFLAGS): Delete.
5552 * config/rs6000/t-aix52: Same.
5554 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5555 (stmsi[345678]_power): New.
5557 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5559 * config/ia64/ia64.opt: Add empty line to end of file.
5561 2006-03-17 Richard Guenther <rguenther@suse.de>
5564 * builtins.c (get_pointer_alignment): For component style references
5565 adjust alignment to the component type alignment. Make sure
5566 to adjust alignment for component access of constants.
5568 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5570 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5573 2006-03-17 Paul Brook <paul@codesourcery.com>
5575 * doc/install.texi: Docuemnt --with-mode.
5576 * config.gcc: Add --with-mode for arm*-*-*.
5577 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5579 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5581 * sh.c (max_labelno_before_reorg): New variable.
5582 (sh_reorg): Initialize it.
5583 (find_barrier): Check max_labelno_before_reorg before using
5584 label_to_alignment. Take length of explicit alignment insns
5585 into account. When seeing a UNSPECV_CONST_END, return it.
5587 * sh.c (fixup_mova): Set mode of affected label to QImode.
5588 (untangle_mova): New function.
5589 (find_barrier): Use it. Check mode of label before decrementing
5591 (sh_reorg): Likewise.
5592 Set mode of all insns back to VOIDmode.
5594 * sh.c (MOVA_LABELREF): New macro.
5595 (mova_p, fixup_mova, sh_reorg): Use it.
5596 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5597 ADDR_DIFF_VEC matches mova.
5599 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5601 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5602 with ATTRIBUTE_UNUSED.
5604 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5606 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5607 pointer, instead of assuming it is possible to derive the
5608 correct args size from a call insn.
5610 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5612 * rtl.h (CONST_INT_P): Define.
5613 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5614 instead of GET_CODE(x) == CONST_INT.
5615 (vax_rtx_costs): Likewise.
5616 (vax_output_int_move): Likewise.
5617 (vax_output_int_add): Likewise.
5618 (legitimate_constant_address_p): Likewise.
5619 (index_term_p): Likewise.
5620 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5621 * config/vax/vax.md (and<mode>3): Likewise.
5622 (ashrsi3): Likewise.
5624 (movstricthi): Likewise.
5625 (movstrictqi): Likewise.
5626 (rotrsi3): Likewise.
5627 (five unnamed insns): Likewise.
5629 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5631 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5632 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5633 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5634 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5635 Pass to ASM_OUTPUT_DWARF_OFFSET.
5636 * dwarf2out.c (debug_frame_section): New.
5637 (output_call_frame_info): Use debug_frame_section. Pass it to
5638 dw2_asm_output_offset.
5639 (output_die): Pass appropriate section to dw2_asm_output_offset.
5640 (output_compilation_unit_header): Likewise.
5641 (output_pubnames): Likewise.
5642 (output_aranges): Likewise.
5643 (enum dw_val_class): Break dw_val_class_lbl_offset into
5644 dw_val_class_lineptr and dw_val_class_macptr.
5645 (add_AT_lbl_offset): Delete.
5646 (add_AT_lineptr): New.
5647 (add_AT_macptr): New.
5648 (AT_lbl): Expect a lineptr or macptr.
5649 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5650 (attr_checksum): Likewise.
5651 (same_dw_val_p): Likewise.
5652 (size_of_die): Likewise.
5653 (value_format): Likewise.
5654 (output_die): Likewise.
5655 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5657 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5658 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5659 * config/darwin-protos.h (darwin_file_start): New.
5660 (darwin_asm_output_dwarf_offset): New.
5661 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5662 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5664 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5665 if not EH section; simplify.
5666 (darwin_file_start): New.
5667 (darwin_asm_output_dwarf_offset): New.
5668 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5670 (DEBUG_INFO_SECTION): Likewise.
5671 (DEBUG_ABBREV_SECTION): Likewise.
5672 (DEBUG_ARANGES_SECTION): Likewise.
5673 (DEBUG_MACINFO_SECTION): Likewise.
5674 (DEBUG_LINE_SECTION): Likewise.
5675 (DEBUG_LOC_SECTION): Likewise.
5676 (DEBUG_PUBNAMES_SECTION): Likewise.
5677 (DEBUG_STR_SECTION): Likewise.
5678 (DEBUG_RANGES_SECTION): Likewise.
5679 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5680 (ASM_OUTPUT_DWARF_OFFSET): New.
5682 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5684 * config.gcc (tm_defines): Always add to previous value rather
5687 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5689 * config/mips/predicates.md (splittable_const_int_operand): New,
5690 split from move_operand.
5691 (splittable_symbolic_operand): New.
5692 (move_operand): Add commentary. Use splittable_const_int_operand.
5693 Inline mips_atomic_symbolic_constant_p.
5694 * config/mips/mips.md: Add combine splitters for handling moves
5695 of splittable_const_int_operands and splittable_symbolic_operands.
5696 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5697 (mips_split_symbol): Declare.
5698 (mips_move_integer): Declare.
5699 * config/mips/mips.c (mips_split_p): Make global.
5700 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5701 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5702 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5703 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5704 (mips_offset_within_object_p): Handle block symbols.
5705 (mips_atomic_symbolic_constant_p): Delete.
5706 (mips_cannot_force_const_mem): Return false for constants that
5707 mips_legitimize_move can handle.
5708 (mips_use_blocks_for_constant_p): New function.
5709 (mips_split_symbol): Make global.
5710 (mips_move_integer): Likewise. Add a temporary register argument.
5711 (mips_legitimize_const_move): Use splittable_const_int_operand and
5712 splittable_symbolic_operand.
5713 (mips_use_anchors_for_symbol_p): New function.
5714 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5715 (mips_split_p): Declare.
5717 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5719 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5720 (mips*-*-linux*): Likewise.
5722 2006-03-16 Roger Sayle <roger@eyesopen.com>
5723 Daniel Speyer <dspeyer@wam.umd.edu>
5726 * tree-dump.c (dump_real): New function.
5727 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5728 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5729 (tree-dump.o): Add $(REAL_H) to the dependencies.
5731 2006-03-16 Roger Sayle <roger@eyesopen.com>
5734 * real.c (real_from_string): If the mantissa is zero, don't bother
5735 parsing the exponent as the result should always be zero.
5737 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5739 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5741 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5743 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5744 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5745 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5746 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5747 ia64_sched_finish_global): New static functions to implement
5748 hooks from gcc_target.sched.
5749 (spec_check_no, max_uid, pending_data_specs): New static variables.
5750 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5751 ia64_spec_check_src_p): New static functions.
5752 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5753 (TARGET_SCHED_ADJUST_COST): Removed.
5754 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5755 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5756 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5757 TARGET_SCHED_GEN_CHECK,
5758 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5759 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5760 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5761 Fixed to handle speculation checks.
5762 (rtx_needs_barrier): Fixed to handle speculative loads and
5764 (ia64_variable_issue): Added code to count speculative loads and their
5766 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5768 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5770 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5772 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5773 (ia64_reorg): Reset stops_p to NULL after it is freed.
5774 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5775 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5776 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5778 (data_speculative, control_speculative, check_load): New attributes.
5779 (mov<mode>_advanced, mov<mode>_speculative,
5780 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5781 zero_extend<mode>di2_speculative,
5782 zero_extend<mode>di2_speculative_advanced): New patterns for
5783 data and control speculative loads.
5784 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5786 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5787 New pattern for data and control speculation checks.
5788 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5789 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5790 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5791 Auxiliary definitions for the patterns.
5792 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5793 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5795 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5797 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5798 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5799 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5800 New resource constraints.
5801 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5803 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5804 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5805 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5806 msched-in-control-spec, msched-ldc, msched-control-ldc,
5807 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5808 msched-prefer-non-control-spec-insns,
5809 msched-count-spec-in-critical-path): New flags to tune speculative
5811 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5812 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5813 msched-in-control-spec, msched-ldc, msched-control-ldc,
5814 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5815 msched-prefer-non-control-spec-insns,
5816 msched-count-spec-in-critical-path): Document new flags.
5818 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5820 * target.h (struct spec_info_def): New opaque declaration.
5821 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5822 speculate_insn, needs_block_p, gen_check,
5823 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5824 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5825 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5826 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5827 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5828 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5830 (TARGET_SCHED): Use new macros.
5831 * rtl.h (copy_DEPS_LIST_list): New prototype.
5832 * sched-int.h (struct sched_info): Change signature of new_ready field,
5833 adjust all initializations. New fields: add_remove_insn,
5834 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5835 region_head_or_leaf_p.
5836 (struct spec_info_def): New structure declaration.
5837 (spec_info_t): New typedef.
5838 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5839 recovery_block, orig_pat.
5840 (glat_start, glat_end): New variables declaraions.
5841 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5843 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5844 DETACH_LIFE_INFO, USE_GLAT.
5845 (enum SPEC_SCHED_FLAGS): New enumeration.
5846 (NOTE_NOTE_BB_P): New macro.
5847 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5848 attach_life_info, debug_spec_status, check_reg_live): New functions.
5849 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5850 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5852 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5853 * ddg.c (get_block_head_tail): Adjust all uses.
5854 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5855 (sms_sched_info): Initialize new fields.
5856 (contributes_to_priority): Removed.
5857 * haifa-sched.c (params.h): New include.
5858 (get_block_head_tail): Adjust all uses.
5859 (ISSUE_POINTS): New macro.
5860 (glat_start, glat_end): New global variables.
5861 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5862 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5863 old_last_basic_block, before_recovery, current_sched_info_var,
5864 rgn_n_insns, luid): New static variables.
5865 (insn_cost1): New function. Move logic from insn_cost to here.
5866 (find_insn_reg_weight1): New function. Move logic from
5867 find_insn_reg_weight to here.
5868 (reemit_notes, move_insn, max_issue): Change signature.
5869 (move_insn1): Removed.
5870 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5871 extend_bb): New static functions to support extension of scheduler's
5873 (generate_recovery_code, process_insn_depend_be_in_spec,
5874 begin_speculative_block, add_to_speculative_block,
5875 init_before_recovery, create_recovery_block, create_check_block_twin,
5876 fix_recovery_deps): New static functions to support
5877 generation of recovery code.
5878 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5879 restore_bb_notes, move_block_after_check, move_succs): New static
5880 functions to support ebb scheduling.
5881 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5882 functions to support handling of register live information.
5883 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5884 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5885 add_jump_dependencies): New static functions.
5886 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5887 consistancy checking.
5888 (debug_spec_status): New function to call from debugger.
5889 (priority): Added code to handle speculation checks.
5890 (rank_for_schedule): Added code to distinguish speculative instructions.
5891 (schedule_insn): Added code to handle speculation checks.
5892 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5893 Fixed to handle ebbs.
5894 (move_insn): Added code to handle ebb scheduling.
5895 (max_issue): Added code to use ISSUE_POINTS of instructions.
5896 (choose_ready): Added code to choose between speculative and
5897 non-speculative instructions.
5898 (schedule_block): Added code to handle ebb scheduling and scheduling of
5899 speculative instructions.
5900 (sched_init): Initialize new variables.
5901 (sched_finish): Free new variables. Print statistics.
5902 (try_ready): Added code to handle speculative instructions.
5903 * lists.c (copy_DEPS_LIST_list): New function.
5904 * sched-deps.c (extend_dependency_caches): New function. Move logic
5905 from create_dependency_caches to here.
5906 (get_dep_weak, ds_merge): Make global.
5907 * genattr.c (main): Code to output prototype for
5908 dfa_clear_single_insn_cache.
5909 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5910 (output_dfa_clean_insn_cache_func): Code to output
5911 dfa_clear_single_insn_cache function.
5912 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5914 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5916 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5917 New static variables.
5918 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5919 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5921 (ebb_sched_info): Initialize new fields.
5922 (get_block_head_tail): Adjust all uses.
5923 (compute_jump_reg_dependencies): Fixed to use glat_start.
5924 (schedule_ebb): Code to remove unreachable last block.
5925 (schedule_ebbs): Added code to update register live information.
5926 * sched-rgn.c (region_sched_info): Initialize new fields.
5927 (get_block_head_tail): Adjust all uses.
5928 (last_was_jump): Removed. Adjust users.
5929 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5930 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5931 Implement new hooks.
5932 (check_dead_notes1): New static function.
5933 (struct region): New fields: dont_calc_deps, has_real_ebb.
5934 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5935 (BB_TO_BLOCK): Fixed to handle EBBs.
5936 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5937 (ebb_head): New static variable.
5938 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5939 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5941 (compute_dom_prob_ps): New assertion.
5942 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5943 global_live_at_start.
5944 (init_ready_list): New assertions.
5945 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5946 (new_ready): Add support for BEGIN_CONTROL speculation.
5947 (schedule_insns): Fixed code that updates register live information
5949 (schedule_region): Fixed to handle EBBs.
5950 (init_regions): Use extend_regions and check_dead_notes1.
5951 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5952 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5953 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5954 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5955 TARGET_SCHED_GEN_CHECK,
5956 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5957 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5958 * doc/invoke.texi (max-sched-insn-conflict-delay,
5959 sched-spec-prob-cutoff): Document.
5961 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5963 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5964 inter_tick, queue_index.
5965 (struct sched_info): Change signature of init_ready_list field.
5966 Adjust all initializations.
5967 (RESOLVED_DEPS): New access macro.
5968 (ready_add): Remove prototype.
5969 (try_ready): Add prototype.
5970 * sched-rgn.c (init_ready_list): Use try_ready.
5971 (schedule_region): Initialize
5972 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5973 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5974 (init_ready_list): Use try_ready.
5975 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5976 * lists.c (remove_list_elem): Remove `static'.
5977 (remove_free_INSN_LIST_elem): New function.
5978 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5979 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5980 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5982 (readyp): New variable.
5983 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5984 change_queue_index, resolve_dep): New static functions.
5985 (try_ready): New function. Adjust callers in sched-rgn.c and
5986 sched-ebb.c to use it instead of ready_add.
5987 (clock_var): Move at the begining of file.
5988 (rank_for_schedule): Fix typo.
5989 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5990 (ready_lastpos): Enforce assertion.
5991 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5993 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5994 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5995 (queue_to_ready): Use free_INSN_LIST_list.
5996 (early_queue_to_ready): Fix typo.
5997 (schedule_block): Init readyp. Move init_ready_list call after the
5998 initialization of clock_var. Fix error in rejecting insn by
5999 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6000 that previously corrected INSN_TICKs. Add code for handling
6002 (set_priorities): Fix typo.
6003 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6004 Clarify comment and code that keeps current_sched_info->next_tail
6007 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6009 * sched-rgn.c (extend_rgns): New static function.
6010 (find_rgns): Use it.
6011 (gather_region_statistics, print_region_statistics): New static
6013 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6014 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6017 Andrey Belevantsev <abel@ispras.ru>
6019 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6020 * lists.c (unused_deps_list): New variable.
6021 (free_list): Add assertions to verify the proper distinguishing
6022 between INSN_LISTs and DEPS_LISTs.
6023 (find_list_elem, remove_list_elem, remove_list_node): New static
6025 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6026 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6027 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6028 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6030 (free_INSN_LIST_node): Likewise.
6031 * modulo-sched.c (current_sched_info): Initialize flags field.
6032 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6033 * rtl.def (DEPS_LIST): Define.
6034 * rtl.h: Declare new functions from lists.c.
6035 * sched-deps.c (spec_dependency_cache): New static variable.
6036 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6037 (add_dependence): Change return type to void. Move the logic to ...
6038 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6039 (delete_all_dependences): Add comment about forward_dependency_cache.
6040 Handle spec_dependency_cache. Handle DEPS_LISTs.
6041 (fixup_sched_groups): Clarify the change of priority of output
6042 and anti dependencies.
6043 (sched_analyze_2): Adjust add_dependence calls to create data
6044 speculative dependence.
6045 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6046 Adjust all callers. Handle DEPS_LISTS.
6047 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6048 presence of speculation.
6049 (init_dependency_caches, free_dependency_caches):
6050 Handle spec_dependency_cache.
6051 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6052 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6053 New static functions.
6054 (add_or_update_back_dep, add_or_update_back_forw_dep,
6055 add_back_forw_dep, delete_back_forw_dep): New functions.
6056 * sched-int.h (ds_t, dw_t): New typedefs.
6057 (struct sched_info): Add new field flags.
6058 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6059 Prototype new sched-deps.c functions.
6060 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6061 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6062 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6063 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6064 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6065 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6067 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6069 * sched-rgn.c (current_sched_info): Initialize flags field.
6070 (schedule_insns): Initialize current_sched_info before the sched_init
6072 * sched-ebb.c (current_sched_info): Initialize flags field.
6073 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6074 Call add_or_update_back_dep instead of add_dependence.
6075 Create control speculative dependencies.
6076 (schedule_insns): Initialize current_sched_info before the sched_init
6079 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6081 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6083 (sh_fallback_frame_state): Likewise.
6085 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6087 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6088 Do switch on default_use_cxa_atexit.
6089 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6090 * config/darwin-crt3.o: New.
6091 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6092 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6093 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6095 * config/rs6000/t-darwin: Move crt2.o building to here.
6096 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6097 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6100 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6102 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6103 from '! xxx' to '!xxx' for coding-style conformance.
6104 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6105 (EXTRA_CONSTRAINT): Likewise.
6106 * config/vax/vax.md (four unnamed insns): Likewise.
6108 2006-03-15 Paul Brook <paul@codesourcery.com>
6110 * config/arm/arm.c (minipool_pad): New.
6111 (add_minipool_forward_ref): Include pool alignment padding in address
6113 (push_minipool_fix): Set minipool_pad.
6114 (minipool_pad): Ditto.
6116 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6118 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6119 instead of GET_CODE() == MEM and REG_P() instead of
6121 (print_operand_address): Likewise.
6122 (vax_address_cost): Likewise.
6123 (vax_rtx_costs): Likewise.
6124 (vax_notice_update_cc): Likewise.
6125 (vax_output_int_add): Likewise.
6126 (INDEX_REGISTER_P): Likewise.
6127 (BASE_REGISTER_P): Likewise.
6128 (nonindexed_address_p): Likewise.
6129 (vax_mode_dependent_address_p): Likewise.
6130 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6131 (PRINT_OPERAND): Likewise.
6132 * config/vax/vax.md (ashlsi3): Likewise.
6133 (ashlsi3): Likewise.
6134 (some more unnamed insns): Likewise.
6136 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6138 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6139 iterator-style macro.
6140 (mark_control_dependent_edges_necessary): Update the use of
6141 EXECUTE_IF_CONTROL_DEPENDENT.
6143 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6145 * config/sh/predicates.md (cache_address_operand): Special.
6146 (ua_address_operand): Likewise.
6148 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6150 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6152 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6154 2006-03-15 Andreas Schwab <schwab@suse.de>
6156 * gensupport.c (identify_predicable_attribute): Don't free p_false
6157 when it is still in use.
6159 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6161 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6162 the default setting here.
6164 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6166 * tree-pass.h (pass_cfg): Remove.
6167 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6168 * passes.c (pass_cfg): Don't run it.
6170 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6172 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6173 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6175 (stack_regs_mentioned): Update the uses of
6176 stack_regs_mentioned_data. Don't access the array beyond its
6178 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6179 Don't include gt-reg-stack.h.
6181 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6182 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6184 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6187 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6190 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6192 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6194 2006-03-14 Richard Guenther <rguenther@suse.de>
6196 PR tree-optimization/26672
6197 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6200 2006-03-14 Richard Guenther <rguenther@suse.de>
6202 PR tree-optimization/26667
6203 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6204 node for the callees. Always allow inlining if it will shrink
6207 2006-03-14 Richard Guenther <rguenther@suse.de>
6210 * builtins.c (get_pointer_alignment): Prefer alignment
6211 information from decls over that from types.
6213 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6216 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6218 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6220 * config/rs6000/rs6000.opt (mdlmzb): New option.
6221 (msched-prolog, msched-epilog): Use Var not Mask.
6222 * doc/invoke.texi (-mdlmzb): Document.
6223 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6225 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6226 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6228 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6230 PR rtl-optimization/25739
6231 * bt-load.c (augment_live_range): Free tos pointer.
6233 * gensupport.c (identify_predicable_attribute): Free
6235 * gcov.c (create_file_names): Free name pointer.
6237 2006-03-13 Roger Sayle <roger@eyesopen.com>
6240 * stmt.c (emit_case_nodes): Handle the case where the index is a
6241 CONST_INT, where the comparison mode is specified by the index type.
6243 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6245 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6248 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6250 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6251 (*branch_fp_inverted): Likewise.
6253 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6256 * omp-low.c (expand_omp_for_generic): Mark istart0
6257 and iend0 as addressable.
6259 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6261 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6263 2006-03-13 Jeff Law <law@redhat.com>
6265 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6266 virtual operands are interesting.
6267 (vrp_visit_stmt): Corresponding changes.
6269 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6271 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6273 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6274 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6275 * config/bfin/crti.S: Use it instead of __PIC__.
6276 * config/bfin/crtn.S: Likewise.
6278 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6279 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6281 Lose 'G' modifier for call operand.
6282 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6283 recognize 'G' modifier.
6285 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6288 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6289 * stmt.c (expand_case): Likewise.
6291 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6293 PR rtl-optimization/26254
6294 * loop-invariant.c (seq_insns_valid_p): New function.
6295 (move_invariant_reg): Only emit new code if it is valid.
6297 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6299 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6301 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6302 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6303 (commit_one_edge_insertion): Do not look for loop notes.
6305 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6307 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6308 flag_test_coverage out of loop.
6310 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6312 * final.c (shorten_branches): Remove outdated comment, and turn
6313 the if branch that guards it to continue.
6315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6317 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6318 * cfgloop.h (struct loop): Remove unused fields.
6320 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6322 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6323 (-dL, -fdump-rtl-loop2): Update the dump file names
6325 * doc/invoke.texi: Update dump file names.
6327 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6329 * predict.c (estimate_probability): Remove.
6330 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6331 * basic-block.h (estimate_probability): Remove prototype.
6332 * passes.c (finish_optimization_passes): Dump branch prediction or
6333 profiling heuristics to the .profile tree dump.
6334 (init_optimization_passes): Unqueue pass_branch_prob.
6336 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6338 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6340 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6341 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6343 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6345 * function.h (frame_offset_overflow): Declare.
6346 * function.c (frame_offset_overflow): New function.
6347 (assign_stack_local_1): Call it to detect that the offset overflows.
6348 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6350 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6352 * config/sh/sh.c: Include alloc-pool.h.
6353 (label_ref_list_pool): New alloc pool.
6354 (label_ref_list_t): New type for lists of labels.
6355 (struct pool_node): Make wend a label_ref_list_t.
6356 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6358 (dump_table): Likewise.
6359 (sh_reorg): Set up the alloc pool before using add_constant and
6360 dump_table, and destroy it when finishing.
6362 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6364 * config/mips/mips.c: Remove redundant comment.
6366 2006-03-10 Jason Merrill <jason@redhat.com>
6369 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6370 the target was declared 'register'.
6372 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6374 * genpreds.c (write_insn_constraint_len): Change definition of
6375 insn_constraint_len to return size_t to match the declaration.
6377 2006-03-10 DJ Delorie <dj@redhat.com>
6379 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6381 (m32c_expand_insv): Fix test for an AND mask.
6383 2006-03-10 Richard Guenther <rguenther@suse.de>
6386 * builtins.c (get_pointer_alignment): Handle component
6387 references for field alignment.
6389 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6391 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6392 when building with libgloss.
6393 (sh*elf): Implement --without-fp option.
6394 (sh64-superh-linux*): Don't multilib.
6396 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6398 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6400 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6402 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6403 Set it when one of the replacement functions returned true.
6404 Return TODO_cleanup_cfg if cfgchanged is true.
6405 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6407 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6409 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6410 instead of gen_lowpart.
6412 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6414 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6416 (mips_output_order_conditional_branch): Declare.
6417 * config/mips/mips.h (MIPS_BRANCH): New macro.
6418 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6419 for the comparison. Use gen_condjump.
6420 (mips_output_conditional_branch): Rework interface to take the
6421 asm templates for a direct branch and the inverse of a direct branch.
6422 (mips_output_order_conditional_branch): New function.
6423 (mips_builtin_branch_and_move): New function.
6424 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6425 branch condition. Use gen_single_cc as the condition for
6426 __builtin_mips_upper_* or __builtin_mips_lower_*.
6427 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6428 Use VOIDmode for the branch condition.
6429 * config/mips/predicates.md (order_operator): New predicate.
6430 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6431 (branch_fp): Rename to...
6432 (*branch_fp): ...this. Remove mode from comparison operator.
6433 Use new mips_output_conditional_branch interface.
6434 (branch_fp_inverted): Rename to...
6435 (*branch_fp_inverted): ...this and update as for *branch_fp.
6436 (*branch_zero<mode>): Rename to...
6437 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6438 Use mips_output_order_conditional_branch. Only accept ordered
6440 (*branch_zero<mode>_inverted): Rename to...
6441 (*branch_order<mode>_inverted): ...this and update as for
6442 *branch_order<mode>.
6443 (*branch_equality<mode>): Accept zero as the second operand to
6444 the equality operator. Use the new mips_output_conditional_branch
6446 (*branch_equality<mode>_inverted): Likewise.
6447 (condjump): New expander.
6448 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6450 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6451 (bc1any2t, bc1any2f): Likewise.
6452 (single_cc): New expander.
6453 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6455 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6457 * doc/md.texi: Update documentation of MIPS constraints.
6458 * config/mips/constraints.md: New file.
6459 * config/mips/mips.md: Include it.
6460 * config/mips/mips.c (mips_char_to_class): Delete.
6461 (override_options): Don't initialize mips_char_to_class.
6462 * config/mips/mips.h (mips_char_to_class): Delete.
6463 (REG_CLASS_FROM_LETTER): Delete.
6464 (CONST_OK_FOR_LETTER_P): Delete.
6465 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6466 (EXTRA_CONSTRAINT_Y): Delete.
6467 (EXTRA_CONSTRAINT_STR): Delete.
6468 (CONSTRAINT_LEN): Delete.
6469 (EXTRA_MEMORY_CONSTRAINT): Delete.
6471 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6473 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6474 original fn's eh regions.
6476 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6478 * fold-const.c (build_range_check): Make sure to use a valid type to
6479 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6482 (range_predecessor): New static function.
6483 (range_successor): Likewise.
6484 (merge_ranges): Use them to compute predecessors and successors of
6487 2006-03-09 Roger Sayle <roger@eyesopen.com>
6490 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6491 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6493 2006-03-08 DJ Delorie <dj@redhat.com>
6495 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6496 (addpsi3): Expand to include memory operands. Remove
6497 reload-specific splits.
6498 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6499 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6500 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6501 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6502 (shift1_qi, shift1_hi, insv): New.
6503 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6504 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6505 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6507 * config/m32c/m32c-protos.h: Update as needed.
6508 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6509 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6510 Fail for unrecognized R* constraints.
6511 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6512 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6513 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6515 (m32c_init_libfuncs): New.
6516 (m32c_legitimate_address_p): Add debug wrapper.
6517 (m32c_rtx_costs): New.
6518 (m32c_address_cost): New.
6519 (conversions): Add 'B' prefix.
6520 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6521 operands, or word regnames for QI operands. 'B' prints bit
6523 (m32c_expand_setmemhi): New.
6524 (m32c_expand_movmemhi): New.
6525 (m32c_expand_movstr): New.
6526 (m32c_expand_cmpstr): New.
6527 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6528 (m32c_expand_neg_mulpsi3): Handle non-ints.
6529 (m32c_cmp_flg_0): New.
6530 (m32c_expand_movcc): New.
6531 (m32c_expand_insv): New.
6532 (m32c_scc_pattern): New.
6533 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6534 a0/a1 out of SIregs.
6535 (STORE_FLAG_VALUE): New.
6536 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6539 * config/m32c/mov.md: Make constraints more liberal.
6540 (zero_extendqihi2): Optimize r0/r1 case.
6541 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6542 * config/m32c/predicates.md (m32c_any_operand): New.
6543 (m32c_nonimmediate_operand): New.
6544 (m32c_hl_operand): New.
6545 (m32c_r3_operand): New.
6548 (memsym_operand): New.
6549 (memimmed_operand): New.
6550 (a_qi_operand): New.
6551 (m32c_eqne_operator): New.
6552 (m32c_1bit8_operand): New.
6553 (m32c_1bit16_operand): New.
6554 (m32c_1mask8_operand): New.
6555 (m32c_1mask16_operand): New.
6556 * config/m32c/blkmov.md: New file.
6557 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6559 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6561 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6562 unsigned to fix signed/unsigned comparison issue in
6563 DWARF2_FRAME_REG_OUT.
6564 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6565 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6567 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6568 of ptr into the ENABLE_CHECKING section.
6570 2006-03-08 Jeff Law <law@redhat.com>
6572 * tree-vrp.c (infer_value_range): Only count pointer uses
6573 and dereferences if -fdelete-null-pointer-checks is enabled.
6575 * tree-vrp.c (find_assert_locations): Infer value ranges for
6576 single use pointers, but do not create ASSERT_EXPRs for them.
6577 When a non-null range is inferred for a pointer, backwards
6578 propagate that range to other equivalent pointers through the
6581 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6584 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6585 language hook targets.
6586 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6587 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6588 if language hook targets were missing.
6590 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6592 * tree-ssa-opfinalize.h: Removed.
6593 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6595 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6596 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6597 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6598 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6599 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6600 finalize_ssa_v_must_def_ops): New.
6602 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6604 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6607 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6609 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6611 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6612 addresses with offsets; reorganize.
6614 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6615 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6616 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6618 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6621 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6623 2006-03-08 Ben Elliston <bje@au.ibm.com>
6625 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6627 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6630 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6633 2006-03-07 Richard Guenther <rguenther@suse.de>
6635 PR tree-optimization/26587
6636 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6638 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6640 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6642 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6644 * hooks.c (hook_bool_mode_rtx_true): New function.
6645 * hooks.h (hook_bool_mode_rtx_true): Declare.
6646 * toplev.c (compile_file): Call output_shared_constant_pool.
6647 * varasm.c (shared_constant_pool): New variable.
6648 (assemble_start_function, assemble_end_function): Remove arguments
6649 from call to output_constant_pool.
6650 (create_constant_pool): New function, split out from...
6651 (init_varasm_status): ...here.
6652 (force_const_mem): Choose between the shared and per-function constant
6653 pools. Set current_function_uses_const_pool when reusing old entries
6654 as well as when creating new ones.
6655 (mark_constant): Ignore data argument.
6656 (mark_constants): Remove pool argument.
6657 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6658 to decide whether the function uses a constant pool.
6659 (output_constant_pool_contents): New function, split out from...
6660 (output_constant_pool): ...here.
6661 (output_shared_constant_pool): New function.
6662 (init_varasm_once): Initialize shared_constant_pool.
6663 * output.h (output_constant_pool): Delete.
6664 (output_shared_constant_pool): Declare.
6665 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6666 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6668 2006-03-06 Nick Clifton <nickc@redhat.com>
6670 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6671 flag_strength_reduce.
6673 2006-03-06 Ben Elliston <bje@au.ibm.com>
6675 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6676 x86_64-*-linux* configurations.
6678 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6679 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6681 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6683 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6685 * basic-block.h: Remove the extern for
6686 rediscover_loops_after_threading.
6688 * cfgloop.c (cancel_loop): Make it static.
6689 * cfgloop.h: Remove the prototype for cancel_loop.
6691 * flow.c (recompute_reg_usage): Make it static.
6692 * rtl.h: Remove the prototype for recompute_reg_usage.
6694 * function.c (use_return_register): Make it static.
6695 * function.h: Remove the prototype.
6697 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6699 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6701 * recog.h: Remove the prototype for
6702 validate_change_maybe_volatile.
6704 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6706 * rtlanal.c (replace_reg): Remove.
6707 * rtl.h: Remove the prototype for replace_reg.
6709 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6711 * regclass.c (reg_scan_update): Remove.
6712 (reg_scan_mark_refs): Remove the last argument.
6713 * rtl.h: Remove the prototype for reg_scan_update.
6715 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6717 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6718 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6719 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6720 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6721 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6722 loop-invariant.c, omp-low.c, opts.c, passes.c,
6723 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6724 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6725 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6726 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6727 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6728 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6730 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6732 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6733 * dwarf2out.h: Remove the prototype for
6734 dwarf2out_add_library_unit_info.
6736 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6738 * tree.c (add_var_to_bind_expr): Remove.
6739 * tree.h: Remove the prototype for add_var_to_bind_expr.
6741 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6743 * regclass.c (n_non_fixed_regs): Remove.
6744 (init_reg_sets_1, globalize_reg): Remove all uses of
6746 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6748 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6750 * rtlanal.c (insns_safe_to_move_p): Remove.
6751 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6753 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6755 * expmed.c (expand_mult_add): Remove.
6756 * expr.h: Remove the prototype for expand_mult_add.
6758 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6760 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6761 and REG_SAVED_VAL_EXP constants.
6762 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6763 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6764 Handle regs stored by value.
6765 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6766 (execute_cfa_program): Handle DW_CFA_val_offset,
6767 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6768 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6769 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6770 (uw_install_context_1): Handle target regs stored by value.
6772 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6774 * tree-sra.c (tree_sra): Return todoflags;
6775 (generate_one_element): Set TODO_update_smt_usage if needed.
6776 (pass_sra): Remove TODO_update_smt_usage.
6777 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6779 (tree_ssa_forward_propagate_single_use_vars): Return
6780 TODO_update_smt_usage if we need to update SMT usage.
6781 (pass_forwprop): Remove TODO_update_smt_usage.
6783 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6785 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6786 (correct_use_link): Remove reference to get_stmt_operands.
6787 (update_stmt_operands): Likewise.
6788 (get_modify_expr_operands): New function factored out of
6789 parse_ssa_operands and get_expr_operands.
6790 Try to create V_MUST_DEFs for LHS by default.
6791 (get_expr_operands) <case MODIFY_EXPR>: Call
6792 get_modify_expr_operands.
6793 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6794 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6795 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6796 get_modify_expr_operands.
6798 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6800 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6801 * tree-flow.h: Remove the prototype for
6802 referenced_var_lookup_if_exists.
6804 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6806 PR rtl-optimization/26345
6808 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6810 2006-03-03 Roger Sayle <roger@eyesopen.com>
6812 PR tree-optimization/26524
6813 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6814 fold_convert to create a constant of the appropriate type.
6816 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6818 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6819 SYMBOL_REF_IN_BLOCK_P.
6820 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6821 of SYMBOL_FLAG_IN_BLOCK.
6822 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6823 instead of SYMBOL_REF_IN_BLOCK_P.
6824 * explow.c (use_anchored_address): Likewise.
6825 * rtl.c (rtx_size): Likewise.
6826 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6827 instead of SYMBOL_FLAG_IN_BLOCK.
6828 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6829 SYMBOL_REF_IN_BLOCK_P.
6830 (assemble_variable): Likewise.
6831 (output_constant_def_contents): Likewise.
6832 (output_constant_pool): Likewise.
6833 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6834 instead of SYMBOL_FLAG_IN_BLOCK.
6835 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6836 SYMBOL_REF_IN_BLOCK_P.
6837 (SYMBOL_REF_BLOCK): Likewise.
6838 (SYMBOL_REF_OFFSET): Likewise.
6839 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6840 SYMBOL_REF_IN_BLOCK_P.
6841 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6842 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6843 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6844 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6846 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6848 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6850 2006-03-02 Roger Sayle <roger@eyesopen.com>
6852 * simplify-rtx.c (simplify_unary_operation): When simplifying
6853 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6854 that we perform the right shift in the appropriate mode, and
6855 then extend or truncate the result to requested mode.
6857 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6859 * gengtype.c (main): Handle double_int type.
6860 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6861 * double-int.c: New file.
6862 * double-int.h: New file.
6863 * system.h: Include doubleint.h.
6864 * Makefile.in (SYSTEM_H): Include double-int.h.
6865 (double-int.o): Add.
6867 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6870 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6873 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6875 * tree-vrp.c (remove_range_assertions): Do not update statements
6878 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6880 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6882 * gcse.c (rest_of_handle_gcse): Ditto.
6883 * except.c (gate_handle_eh): Ditto.
6884 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6885 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6887 2006-03-02 Eric Christopher <echristo@apple.com>
6889 * config/i386/i386.c (machopic_output_stub): Add indirection to
6892 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6896 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6898 Sun Niagara specific optimizations.
6899 * config.gcc: Recognize niagara as target.
6900 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6901 (TARGET_CPU_niagara): Define.
6902 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6903 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6904 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6905 (ASM_CPU_SPEC): Likewise.
6906 (PROCESSOR_NIAGARA): New enum entry.
6907 (REGISTER_MOVE_COST): Handle Niagara.
6908 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6909 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6910 (sparc_override_options): Recognize "niagara", set appropriate
6911 default MASK_* values for it, and align functions to 32-bytes
6912 by default just like ULTRASPARC/ULTRASPARC3.
6913 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6914 (sparc64_initialize_trampoline): Likewise.
6915 (sparc_use_sched_lookahead): Use zero for niagara.
6916 (sparc_issue_rate): Use one for niagara.
6917 * config/sparc/niagara.md: New file.
6918 * config/sparc/sparc.md: Include it.
6919 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6920 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6921 when default cpu is niagara.
6922 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6923 (ASM_CPU_SPEC): Likewise.
6924 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6925 when default cpu is niagara.
6926 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6927 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6928 just like v9/ultrasparc/ultrasparc3.
6929 * doc/invoke.texi: Add documentation for "niagara" and improve
6930 existing documentation for ultrasparc variants.
6932 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6934 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6936 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6938 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6939 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6940 and say that only one is needed.
6941 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6942 * target.h (have_switchable_bss_sections): New hook.
6943 * explow.c (use_anchored_address): Check that the symbol is in a block.
6944 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6945 (bss_noswitch_section): New variables.
6946 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6947 (get_noswitch_section): New function.
6948 (get_block_for_section): Allow SECT to be null.
6949 (unlikely_text_section_p): Use SECTION_STYLE.
6950 (bss_initializer_p): New function.
6951 (get_variable_section): Move earlier in file. Take a new argument,
6952 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6953 Return one of the new *_sections in such cases.
6954 (get_block_for_decl): New function, extracting some logic from
6955 use_blocks_for_decl_p.
6956 (change_symbol_section): Remove in favor of...
6957 (change_symbol_block): ...this new function.
6958 (use_blocks_for_decl_p): Remove checks now performed by
6960 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6961 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6962 (emit_local, emit_bss, emit_common): ...these new functions.
6963 Return true if the alignment was honored.
6964 (emit_tls_common): New function.
6965 (asm_emit_uninitialised): Delete.
6966 (assemble_variable_noswitch): New function, split out from...
6967 (assemble_variable): ...here. Don't make decisions about common
6968 variables here. Globalize all public decls that go into non-common
6969 sections. Check whether SYMBOL_REF_BLOCK is null.
6970 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6971 (output_constant_pool): Likewise.
6972 (init_varasm_once): Initialize the new section variables.
6973 (have_global_bss_p): New function.
6974 (categorize_decl_for_section): Use bss_initializer_p.
6975 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6976 (place_block_symbol): Assert that the symbol must be in a block.
6977 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6978 (TARGET_INITIALIZER): Include it.
6979 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6980 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6981 (SECTION_MACH_DEP): Bump by two.
6982 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6983 (unnamed_section): Mention SECTION_UNNAMED in comment.
6984 (named_section): Likewise SECTION_NAMED.
6985 (noswitch_section_callback): New type.
6986 (noswitch_section): New structure.
6987 (section): Add a noswitch_section alternative.
6988 (SECTION_STYLE): New macro.
6989 (tls_comm_section, comm_section, lcomm_section): Declare.
6990 (bss_noswitch_section, have_global_bss_p): Declare.
6991 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6992 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6994 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6995 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6998 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7000 * tree-vrp.c (execute_vrp): Return value.
7001 * regrename.c (rest_of_handle_regrename): Ditto.
7002 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7003 * tree-complex.c (tree_lower_complex): Ditto.
7004 (tree_lower_complex_O0): Ditto.
7005 * tracer.c (rest_of_handle_tracer): Ditto.
7006 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7007 * postreload.c (rest_of_handle_postreload): Ditto.
7008 * tree-tailcall.c (execute_tail_recursion): Ditto.
7009 (execute_tail_calls): Ditto.
7010 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7011 * tree.h (init_function_for_compilation): Ditto.
7012 * ipa-cp.c (ipcp_driver): Ditto.
7013 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7014 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7015 * final.c (compute_alignments): Ditto.
7016 (rest_of_handle_final): Ditto.
7017 (rest_of_handle_shorten_branches): Ditto.
7018 (rest_of_clean_state): Ditto.
7019 * omp-low.c (execute_expand_omp): Ditto.
7020 (execute_lower_omp): Ditto.
7021 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7022 * ipa-reference.c (static_execute): Ditto.
7023 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7024 * reorg.c (rest_of_handle_delay_slots): Ditto.
7025 (rest_of_handle_machine_reorg): Ditto.
7026 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7027 * flow.c (recompute_reg_usage): Ditto.
7028 (rest_of_handle_remove_death_notes): Ditto.
7029 (rest_of_handle_life): Ditto.
7030 (rest_of_handle_flow2): Ditto.
7031 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7032 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7033 (do_ssa_store_ccp): Ditto.
7034 (execute_fold_all_builtins): Ditto.
7035 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7036 * modulo-sched.c (rest_of_handle_sms): Ditto.
7037 * ipa-pure-const.c (static_execute): Ditto.
7038 * cse.c (rest_of_handle_cse): Ditto.
7039 (rest_of_handle_cse2): Ditto.
7040 * web.c (rest_of_handle_web): Ditto.
7041 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7042 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7043 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7044 * tree-nrv.c (tree_nrv): Ditto.
7045 (execute_return_slot_opt): Ditto.
7046 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7047 (create_structure_vars): Ditto.
7048 * loop-init.c (rtl_loop_init): Ditto.
7049 (rtl_loop_done): Ditto.
7050 (rtl_move_loop_invariants): Ditto.
7051 (rtl_unswitch): Ditto.
7052 (rtl_unroll_and_peel_loops): Ditto.
7053 (rtl_doloop): Ditto.
7054 * gimple-low.c (lower_function_body): Ditto.
7055 (mark_used_blocks): Ditto.
7056 * tree-ssa-sink.c (execute_sink_code): Ditto.
7057 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7058 (cgraph_early_inlining): Ditto.
7059 * global.c (rest_of_handle_global_alloc): Ditto.
7060 * jump.c (cleanup_barriers): Ditto.
7061 (purge_line_number_notes): Ditto.
7062 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7063 (rest_of_handle_if_after_reload): Ditto.
7064 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7065 (tree_ssa_loop_im): Ditto.
7066 (tree_ssa_loop_unswitch): Ditto.
7067 (tree_vectorize): Ditto.
7068 (tree_linear_transform): Ditto.
7069 (tree_ssa_loop_ivcanon): Ditto.
7070 (tree_ssa_empty_loop): Ditto.
7071 (tree_ssa_loop_bounds): Ditto.
7072 (tree_complete_unroll): Ditto.
7073 (tree_ssa_loop_prefetch): Ditto.
7074 (tree_ssa_loop_ivopts): Ditto.
7075 (tree_ssa_loop_done): Ditto.
7076 * predict.c (tree_estimate_probability): Ditto.
7077 * recog.c (split_all_insns_noflow): Ditto.
7078 (rest_of_handle_peephole2): Ditto.
7079 (rest_of_handle_split_all_insns): Ditto.
7080 * tree-eh.c (lower_eh_constructs): Ditto.
7081 * regmove.c (rest_of_handle_regmove): Ditto.
7082 (rest_of_handle_stack_adjustments): Ditto.
7083 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7084 * function.c (instantiate_virtual_regs): Ditto.
7085 (init_function_for_compilation): Ditto.
7086 (rest_of_handle_check_leaf_regs): Ditto.
7087 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7088 (rest_of_handle_gcse): Ditto.
7089 * ipa-type-escape.c (type_escape_execute): Ditto.
7090 * alias.c (rest_of_handle_cfg): Ditto.
7091 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7092 * profile.c (rest_of_handle_branch_prob): Ditto.
7093 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7094 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7095 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7096 * tree-dfa.c (find_referenced_vars): Ditto.
7097 * except.c (set_nothrow_function_flags): Ditto.
7098 (convert_to_eh_region_ranges): Ditto.
7099 (rest_of_handle_eh): Ditto.
7100 * emit-rtl.c (unshare_all_rtl): Ditto.
7101 (remove_unnecessary_notes): Ditto.
7102 * except.h (set_nothrow_function_flags): Ditto.
7103 (convert_to_eh_region_ranges): Ditto.
7104 * cfgexpand.c (tree_expand_cfg): Ditto.
7105 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7106 * tree-ssa-pre.c (do_pre): Ditto.
7107 (execute_fre): Ditto.
7108 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7109 (rest_of_handle_jump2): Ditto.
7110 * tree-sra.c (tree_sra): Ditto.
7111 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7112 (execute_mudflap_function_decls): Ditto.
7113 * tree-ssa-copy.c (do_copy_prop): Ditto.
7114 (do_store_copy_prop): Ditto.
7115 * ipa-prop.h (ipcp_driver): Ditto.
7116 * cfglayout.c (insn_locators_initialize): Ditto.
7117 * tree-ssa-forwprop.c
7118 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7119 * cfglayout.h (insn_locators_initialize): Ditto.
7120 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7121 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7122 (execute_late_warn_uninitialized): Ditto.
7123 * rtl.h (cleanup_barriers): Ditto.
7124 (split_all_insns_noflow): Ditto.
7125 (purge_line_number_notes): Ditto.
7126 (unshare_all_rtl): Ditto.
7127 (remove_unnecessary_notes): Ditto.
7128 (recompute_reg_usage): Ditto.
7129 (variable_tracking_main): Ditto.
7130 * integrate.c (emit_initial_value_sets): Ditto.
7131 * integrate.h (emit_initial_value_sets): Ditto.
7132 * tree-optimize.c (execute_free_datastructures): Ditto
7133 (execute_free_cfg_annotations): Ditto.
7134 (execute_fixup_cfg): Ditto.
7135 (execute_cleanup_cfg_pre_ipa): Ditto.
7136 (execute_cleanup_cfg_post_optimizing): Ditto.
7137 (execute_init_datastructures): Ditto.
7138 * tree-object-size.c (compute_object_sizes): Ditto.
7139 * combine.c (rest_of_handle_combine): Ditto.
7140 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7141 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7142 (rest_of_handle_reorder_blocks): Ditto.
7143 (rest_of_handle_partition_blocks): Ditto.
7144 * var-tracking.c (variable_tracking_main): Ditto.
7145 * tree-profile.c (tree_profiling): Ditto.
7146 * tree-vect-generic.c (expand_vector_operations): Ditto.
7147 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7148 * sched-rgn.c (rest_of_handle_sched): Ditto.
7149 (rest_of_handle_sched2): Ditto.
7150 * basic-block.h (free_bb_insn): Ditto.
7151 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7152 * tree-cfg.c (execute_build_cfg): Ditto.
7153 (remove_useless_stmts): Ditto.
7154 (split_critical_edges): Ditto.
7155 (execute_warn_function_return): Ditto.
7156 (execute_warn_function_noreturn): Ditto.
7157 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7158 * cfgrtl.c (free_bb_for_insn): Ditto.
7159 * passes.c (execute_one_pass): Run additional
7160 todos returned by execute function.
7161 * tree-pass.h (struct tree_opt_pass): Make execute
7164 2006-03-02 Richard Guenther <rguenther@suse.de>
7166 * tree-ssa-alias.c (find_used_portions): Consider taking
7167 the address as making the variable not write-only.
7169 2006-03-02 Nick Clifton <nickc@redhat.com>
7171 * config.gcc (default_use_cxa_atexit): Extend the description of
7172 this configure variable. Set its default value to "yes" for
7173 Linux, NetBSD and ELF targets on the assumption that they will
7174 use C libraries with the __cxa_atexit function.
7176 2006-03-02 Ben Elliston <bje@au.ibm.com>
7178 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7179 parameter as unused to suppress a build warning.
7181 2006-03-02 Ben Elliston <bje@au.ibm.com>
7183 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7186 2006-03-01 Roger Sayle <roger@eyesopen.com>
7189 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7190 declared name, the weak reference name, and the typeof name.
7191 (__gthrw): Avoid expanding the declared name suffix.
7192 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7194 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7196 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7198 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7199 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7200 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7201 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7202 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7203 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7204 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7205 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7206 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7207 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7208 (DW_END_default, DW_END_big, DW_END_little): New.
7209 (DW_END_lo_user, DW_END_hi_user): Define.
7210 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7211 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7212 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7215 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7217 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7219 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7221 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7223 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7225 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7226 to 'symbol_mem_tag'.
7228 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7231 2006-03-01 Roger Sayle <roger@eyesopen.com>
7233 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7235 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7238 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7239 MACHO_DYNAMIC_NO_PIC_P.
7240 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7242 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7245 * config/darwin-protos.h (darwin_asm_output_anchor):
7247 * config/darwin-sections.def (cstring_section):
7248 Add SECTION_MERGE to the flags.
7249 (literal4_section): Likewise.
7250 (literal8_section): Likewise.
7251 (objc_selector_refs_section): Likewise.
7252 (objc_cls_refs_section): Likewise.
7253 * config/darwin.c (darwin_asm_output_anchor): New
7255 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7257 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7259 Fix PR tree-optimization/26443
7260 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7261 to todo and PROP_tmt_usage to properties_destroyed.
7262 * tree-ssa-ccp.c (pass_ccp): Ditto.
7263 (pass_store_ccp): Ditto.
7264 * tree-ssa-dom.c (pass_dominator): Ditto.
7266 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7268 * tree-ssa-operands.c: Cleanup whitespace.
7269 (get_asm_expr_operands): Move before first invocation.
7270 (get_indirect_ref_operands): Likewise.
7271 (get_tmr_operands): Likewise.
7272 (get_call_expr_operands): Likewise.
7273 (append_def): Likewise.
7274 (append_use): Likewise.
7275 (append_v_may_def): Likewise.
7276 (append_v_must_def): Likewise.
7277 (add_call_clobber_ops): Likewise.
7278 (add_call_read_ops): Likewise.
7279 (add_stmt_operand): Likewise.
7280 (add_virtual_operand): Likewise.
7281 (build_ssa_operands): Likewise.
7283 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7288 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7289 with a call expr to ...
7290 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7292 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7294 * tree-vrp.c (extract_range_from_assert): Remove special
7295 handling for types with super-types.
7297 2006-03-01 Ben Elliston <bje@au.ibm.com>
7299 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7300 and powerpc64-*-linux* configurations.
7301 * config/t-dfprules: New file.
7303 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7304 Compile dfp-bit.c from the source directory using -DWIDTH and
7305 $DFP_CFLAGS to control the compilation of that file, rather than
7306 generating width-specific versions in the build directory.
7307 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7308 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7310 2006-02-28 Zack Weinberg <zackw@panix.com>
7312 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7315 2006-02-28 Eric Christopher <echristo@apple.com>
7317 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7318 Set up IN_LIBGCC definition of TARGET_64BIT.
7319 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7321 2006-02-28 Roger Sayle <roger@eyesopen.com>
7324 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7325 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7326 cases via the construction of "expr != 0".
7328 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7330 * alias.c (alias_invariant, alias_invariant_size): Remove.
7331 (record_base_value): Remove.
7332 (memrefs_conflict_p): Don't look at alias_invariant.
7333 (end_alias_analysis): Don't free it.
7334 * alias.h (record_base_value): Remove prototype.
7336 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7337 Adam Nemet <anemet@caviumnetworks.com>
7339 * rtl.h (truncated_to_mode): Declare it.
7340 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7341 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7342 (RTL_HOOKS_INITIALIZER): Include it.
7343 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7344 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7345 reg_truncated_to_mode.
7346 * rtlanal.c (truncated_to_mode): Define it.
7347 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7349 2006-02-28 Jeff Law <law@redhat.com>
7351 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7352 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7353 the range allowed by TYPE_PRECISION.
7355 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7357 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7359 PR tree-optimization/26419
7360 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7363 2006-02-27 Zack Weinberg <zackw@panix.com>
7365 * doc/md.texi: Fix typo in previous change.
7367 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7371 2006-02-27 Zack Weinberg <zackw@panix.com>
7373 * rtl.def (define_constraint, define_register_constraint)
7374 (define_memory_constraint, define_address_constraint): New MD forms.
7375 * gensupport.c (process_rtx): Put define_constraint etc on the
7377 * genpreds.c (process_define_predicate): Adjust comment. Validate
7378 the name, and call validate_exp to validate the expression.
7379 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7380 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7381 all callers changed.
7382 (validate_exp, needs_variable, struct constraint_data)
7383 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7384 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7385 (const_dbl_constraints, constraint_max_namelen)
7386 (have_register_constraints, have_memory_constraints)
7387 (have_address_constraints, have_address_constraints)
7388 (have_extra_constraints, have_const_int_constraints)
7389 (have_const_dbl_constraints, mangle, add_constraint)
7390 (process_define_constraint, process_define_register_constraint)
7391 (write_enum_constraint_num, write_lookup_constraint)
7392 (write_insn_constraint_len, write_regclass_for_constraint)
7393 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7394 (write_insn_extra_memory_constraint)
7395 (write_insn_extra_address_constraint)
7396 (write_satisfies_constraint_fns): New.
7397 (write_tm_preds_h): If we have new-style constraint definitions,
7398 prototype the functions generated from them, and define the
7399 old constraint interface (still used by generic code) in terms of
7401 (write_insn_preds_c): If we have new-style constraint definitions,
7402 generate all relevant functions from those definitions.
7403 (main): Handle define_constraint etc.
7404 * genoutput.c (struct constraint_data, indep_constraints)
7405 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7406 (mdep_constraint_len): New data structures and functions, defined
7407 #ifdef USE_MD_CONSTRAINTS.
7408 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7409 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7410 use new logic to validate operand constraints against constraint
7412 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7414 * defaults.h: If none of the old-style constraint macros are
7415 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7416 old-style macros; and poison REG_CLASS_FROM_LETTER,
7417 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7419 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7420 * doc/md.texi: Document new constraint-definition mechanism and the
7421 C interface it provides. Remove references to old mechanism
7422 elsewhere in the document.
7423 (Machine Constraints): Use pathnames relative to gcc directory,
7424 i.e. config/ARCH/FILE. Change i386 section to refer to
7425 config/i386/predicates.md; update that section to match docstrings.
7426 * doc/tm.texi: Move all documentation of the old constraint-
7427 definition macros to their own section, clearly mark as obsolete.
7429 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7430 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7432 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7433 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7434 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7436 (splits and peepholes): Use satisfies_constraint_*.
7437 * config/i386/i386.c (memory_address_length)
7438 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7440 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7442 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7443 scalar operation to be put back into the loop.
7445 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7448 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7449 (extract_cie_info): Handle S flag in augmentation string.
7450 (execute_cfa_program): If context->signal_frame, execute also
7451 fs->pc == context->ra instructions.
7452 (uw_frame_state_for): If context->signal_frame, don't subtract one
7453 from context->ra to find FDE.
7454 (uw_update_context_1): Set context->signal_frame to
7456 (_Unwind_GetIPInfo): New function.
7457 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7458 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7460 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7461 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7462 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7463 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7464 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7465 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7466 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7467 x86_64_fallback_frame_state): Set fs->signal_frame.
7468 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7469 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7470 (frob_update_context): Likewise. Workaround missing S flag in
7471 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7472 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7473 Remove the psw_addr + 1 hack.
7475 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7477 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7478 with aggregates here.
7479 (find_func_aliases): Remove code for &<aggregate> from here.
7481 2006-02-26 Roger Sayle <roger@eyesopen.com>
7483 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7484 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7485 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7488 2006-02-26 Roger Sayle <roger@eyesopen.com>
7491 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7493 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7495 * opts.c (decode_options): Do not handle flag_strength_reduce.
7496 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7497 and OPT_fstrength_reduce.
7498 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7499 flag_prefetch_loop_arrays for being nonzero.
7500 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7502 (fprefetch-loop-arrays-rtl): Removed.
7503 (flag_prefetch_loop_arrays): Do not specify the value.
7505 * doc/passes.texi: Update documentation of loop optimizer
7507 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7508 -frerun-loop-opt): Remove.
7510 2006-02-26 Richard Guenther <rguenther@suse.de>
7512 PR tree-optimization/26421
7513 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7514 in function calls that are ADDR_EXPRs as using the whole structure.
7516 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7518 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7519 * tree-pass.h (pass_loop_optimize): Remove.
7520 * passes.c (pass_loop_optimize): Never run it.
7521 * toplev.c (backend_init): Don't call init_loop.
7522 * opts.c (flag_loop_optimize_set): Remove.
7523 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7524 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7525 the old RTL loop optimizer when profiling enabled.
7526 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7527 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7528 pre-headers for the sake of the old RTL loop optimizer.
7529 * Makefile.in: Remove all references to loop.o.
7531 * doc/invoke.texi: Remove all references to -floop-optimize
7532 and -frerun-loop-opt.
7534 2006-02-26 Zack Weinberg <zackw@panix.com>
7536 * doc/md.texi (Machine Constraints): Refer to all files with paths
7537 relative to gcc directory (i.e. config/CPU/file). Add missing
7538 @table @code ... @end table to M32C subsection.
7540 2006-02-26 Roger Sayle <roger@eyesopen.com>
7542 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7544 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7546 2006-02-26 Roger Sayle <roger@eyesopen.com>
7547 James A. Morrison <phython@gcc.gnu.org>
7550 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7551 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7552 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7553 signedness of the shift operation.
7555 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7557 PR tree-optimization/26359
7558 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7560 2006-02-25 Roger Sayle <roger@eyesopen.com>
7562 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7563 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7564 as X == 0, and some symmetry related transformations.
7565 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7567 2006-02-25 Roger Sayle <roger@eyesopen.com>
7570 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7571 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7572 symmetry related transformations. Fold (X^C1) == C2 as
7575 2006-02-25 Juergen Weigert <jw@suse.de>
7576 Richard Guenther <rguenther@suse.de>
7578 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7580 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7582 * combine.c (gen_lowpart_or_truncate): Call
7583 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7585 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7587 * doc/invoke.texi: Move -fopenmp description to "Options for
7589 Remove reference to -lgomp.
7591 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7593 * doc/install.texi: Require GNU tar version 1.14.
7595 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7597 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7598 * doc/invoke.texi (C++ Dialect Options): Document
7599 -fno-use-cxa-get-exception-ptr.
7600 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7601 * configure: Regenerate.
7602 * c.opt (fuse-cxa-get-exception-ptr): New.
7603 * c-opts.c (c_common_handle_option): Handle
7604 OPT_fuse_cxa_get_exception_ptr.
7605 * c-common.c (flag_use_cxa_atexit): Update documentation.
7606 (flag_use_cxa_get_exception_ptr): New.
7607 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7608 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7610 (C_COMMON_OVERRIDE_OPTIONS): New.
7612 2006-02-24 Roger Sayle <roger@eyesopen.com>
7615 * combine.c (try_combine): Explicitly check whether GET_CODE is
7616 a SET or a CLOBBER, instead on checking that it isn't a USE.
7618 2006-02-24 Roger Sayle <roger@eyesopen.com>
7620 * fold-const.c (fold_comparison): New subroutine of fold_binary
7621 containing transformations common to both the equality and
7622 ordering relational operators, factored out of fold_binary.
7623 (fold_binary): Separate out the equality operators (EQ_EXPR
7624 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7625 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7626 transformations common to both.
7627 (fold_div_compare): Fix latent bugs in the previously unreachable
7628 LT_EXPR and GE_EXPR cases.
7630 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7632 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7633 decl libname for clog to __clog on AIX.
7635 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7637 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7640 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7641 output traceback table for thunks. Localise rs6000_stack_info call.
7643 2006-02-23 Roger Sayle <roger@eyesopen.com>
7644 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7646 * gthr-posix.h (__gthrw): Fix typo in comment.
7648 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7650 * doc/cpp.texi (Character sets): Document that we do support
7651 input files to be in any character set.
7653 2006-02-23 Jeff Law <law@redhat.com>
7655 * tree.h (PHI_ARG_NONZERO): Remove.
7656 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7657 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7658 node to the new node.
7660 PR tree-optimization/26425
7661 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7662 min/max, then assume its varying.
7664 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7666 PR rtl-optimization/26316
7667 * rtlanal.c (enum may_trap_p_flags): New.
7668 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7669 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7670 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7671 (may_trap_after_code_motion_p): New function.
7672 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7673 (find_invariant_insn): Use may_trap_after_code_motion_p.
7674 * rtl.h (may_trap_after_code_motion_p): Declare.
7676 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7678 * emit-rtl.c (immed_double_const): Cleanup.
7680 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7682 Fix PR tree-optimization/26376
7683 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7686 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7689 * gimplify.c (omp_add_variable): Guard variable size decl test with
7690 DECL_SIZE (decl) check.
7692 2006-02-23 Richard Guenther <rguenther@suse.de>
7695 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7696 like aggregate types.
7698 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7700 * configure.ac: Add --with{,out}-long-double-128 configure option.
7701 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7702 * configure: Rebuilt.
7703 * config.in: Rebuilt.
7704 * doc/install.texi (Options specification): Document
7705 --with-long-double-128.
7707 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7708 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7709 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7710 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7712 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7714 * config/s390/s390.c (override_options): Handle
7715 TARGET_DEFAULT_LONG_DOUBLE_128.
7717 * config/alpha/alpha.c (override_options): Handle
7718 TARGET_DEFAULT_LONG_DOUBLE_128.
7720 * config/sparc/sparc.c (sparc_override_options): Handle
7721 TARGET_DEFAULT_LONG_DOUBLE_128.
7723 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7725 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7726 (real-install-headers-tar, real-install-headers-cpio)
7727 (real-install-headers-cp): New targets.
7729 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7731 * tree.h (variable_section): Delete.
7732 * varasm.c (variable_section): Delete.
7734 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7736 * install.texi: Add notes on install.texi2html.
7737 (Building in parallel): Do not use footnotes.
7739 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7742 * doc/install.texi (Configuration): Document --disable-libgomp.
7744 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7746 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7748 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7750 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7751 (vec_extractv2df_0_sse): New.
7753 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7755 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7756 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7757 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7758 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7759 to the result of the expression.
7760 (def_cfa_1): Adjust.
7761 (frame_pointer_cfa_offset): Rename to...
7762 (frame_pointer_fb_offset): ... this. Adjust all uses.
7763 (convert_cfa_to_loc_list): Rename to...
7764 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7765 Pass it on to build_cfa_loc.
7766 (compute_frame_pointer_to_cfa_displacement): Rename to...
7767 (compute_frame_pointer_to_fb_displacement): ... this. New
7768 offset parameter. Use it in computation.
7769 (gen_subprogram_die): Compute cfa_fb_offset with the new
7770 macro, and use it to compute the fb loc list and the
7773 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7775 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7776 replaced with register_operand.
7777 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7778 non-DREG is expensive.
7779 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7780 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7783 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7785 * doc/install.texi2html: Use set -e.
7787 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7789 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7790 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7791 * doc/invoke.texi (-fshared-data): Delete.
7792 * common.opt (fshared-data): Delete.
7793 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7794 (assemble_static_space): Remove #if 0 code.
7795 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7796 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7797 * config/cris/cris.h: Remove FIXME.
7799 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7801 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7804 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7807 * combine.c (simplify_shift_const_1): Disable nested shifts
7808 optimization for vector shifts.
7810 2006-02-20 Roger Sayle <roger@eyesopen.com>
7812 PR tree-optimization/26361
7813 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7814 of unsigned integer types.
7816 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7818 * tree-chrec.c (eq_evolutions_p): New.
7819 * tree-chrec.h (eq_evolutions_p): Declared.
7820 * tree-data-ref.c: Fix formatting.
7821 (datadep_stats, dependence_stats): New.
7823 (print_direction_vector): New.
7824 (dump_data_dependence_relation): Use print_direction_vector.
7825 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7826 (compute_subscript_distance): Static.
7827 (initialize_data_dependence_relation): Static. Get the number
7828 of loops surrounding the references from the callers, and initialize
7829 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7830 base_object_differ_p analyzers.
7831 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7832 compute_overlap_steps_for_affine_1_2,
7833 analyze_subscript_affine_affine): Count the classified dependences.
7834 Print a message when a test failed.
7835 (can_use_analyze_subscript_affine_affine): New.
7836 (analyze_siv_subscript): Compute the data dependences on symbolic
7837 scevs that verify can_use_analyze_subscript_affine_affine.
7838 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7839 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7840 Handle symbolic scevs.
7841 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7843 (subscript_dependence_tester): Moved...
7844 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7845 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7846 DDR_SIZE_VECT instead of getting it in parameter.
7847 (subscript_dependence_tester): ... here. Take as a parameter
7848 loop_nest_depth. Call build_classic_dist_vector and
7849 build_classic_dir_vector.
7850 (compute_affine_dependence): Update subscript_dependence_tester
7851 parameters. Update datadep_stats counters. Call
7852 compute_subscript_distance.
7853 (compute_self_dependence): Save the dist and dir vectors. Call
7854 compute_subscript_distance.
7855 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7856 (compute_all_dependences): Reorder parameters as they were before
7857 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7858 compute_subscript_distance. Update the use of
7859 compute_affine_dependence and initialize_data_dependence_relation.
7860 (find_data_references_in_loop): Handle COMPONENT_REF.
7861 (compute_data_dependences_for_loop): Initialize dependence_stats.
7862 Don't call build_classic_dist_vector and build_classic_dir_vector.
7863 Update the parameters of initialize_data_dependence_relation and
7864 compute_all_dependences. Print the statistics from datadep_stats.
7865 (analyze_all_data_dependences): Static. Not used until the pass for
7866 checking the data dependences is contributed.
7867 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7868 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7869 (initialize_data_dependence_relation, compute_affine_dependence,
7870 analyze_all_data_dependences, compute_subscript_distance): Removed.
7871 (print_direction_vector): New.
7872 * lambda.h (gcd): ... here.
7873 (lambda_vector_gcd): Moved here from gcd_vector.
7874 * lambda-code.c (gcd, gcd_vector): Removed.
7875 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7876 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7878 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7880 * ipa-type-escape.c: Tidy some comments and white space.
7881 * tree-ssa-operands.c: Likewise.
7883 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7886 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7887 (dump_decl_name): Do not walk the decl tree chains.
7888 * tree-pass.h (TDF_CHAIN): Remove.
7890 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7892 * Makefile.in (C): Remove
7894 (.PHONY): Remove C and PROTO
7896 2006-02-20 Roger Sayle <roger@eyesopen.com>
7899 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7900 deprecated CHAR_TYPE tree code.
7902 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7904 * configure.ac (target_list): Add install-info, dvi, html.
7905 * configure: Regenerate.
7907 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7908 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7909 treelang/Make-lang.in: Do not use double-colon rules.
7911 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7913 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7914 (TMT_USED_ALONE): New macro.
7915 * tree-pass.h (PROP_tmt_usage): New property.
7916 (TODO_update_tmt_usage): New todo.
7917 * tree-ssa-alias.c (updating_used_alone): New variable.
7918 (recalculate_used_alone): New function.
7919 (compute_may_aliases): Set updating_used_alone, call
7920 recalculate_used_alone.
7921 * tree-sra.c (pass_sra): Note that this pass destroys
7922 PROP_tmt_usage, and add TODO_update_tmt_usage.
7923 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7924 * tree-flow.h (updating_used_alone): Prototype.
7925 (recalculate_used_alone): Ditto.
7926 * passes.c (execute_todo): Add code to set updating_used_alone,
7927 and call recalculate.
7928 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7929 for clobber if used alone, and add assert to verify used_alone
7932 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7934 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7935 for non tls symbols added.
7936 (legitimize_address): Do nothing for PLUS expressions if one of the
7937 addends is a tls symbol reference.
7939 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7943 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7945 * Makefile.in (BOOTSTRAPPING): New.
7946 (quickstrap): New definition if BOOTSTRAPPING=yes.
7948 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7949 * configure.ac: Substitute all_selected_languages with the languages
7950 that were configured. For all the other variables except
7951 lang_specs_files, include all the languages in the tree.
7952 * configure: Regenerate.
7954 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7955 if there is one. Run the commands to run fixincludes in the same
7958 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7959 * doc/install.texi: Document exact conventions for searching target tools.
7960 Document --with-build-time-tools. Document toplevel bootstrap. Document
7961 something more about building an Ada cross-compiler. Don't list GNU Make
7962 requirements which affect all platforms.
7964 2006-02-19 Roger Sayle <roger@eyesopen.com>
7967 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7968 only equivalent if the have both the same mode and precision.
7970 2006-02-20 Ben Elliston <bje@au.ibm.com>
7972 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7974 2006-02-19 Roger Sayle <roger@eyesopen.com>
7975 Steven Bosscher <stevenb.gcc@gmail.com>
7977 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7978 constant pool references to identify stack mode constants.
7979 * rtlanal.c (constant_pool_constant_p): New predicate to check
7980 whether operand is a floating point constant in the pool.
7981 * rtl.h (constant_pool_constant_p): Prototype here.
7982 * loop.c (scan_loop): Avoid hoisting constants from the constant
7983 pool on STACK_REGS targets.
7984 (load_mems): Likewise.
7985 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7986 loads into x87 registers expensive in terms of register pressure.
7988 2006-02-19 Roger Sayle <roger@eyesopen.com>
7990 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7991 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7993 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7995 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7996 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7998 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8000 * doc/invoke.texi: Document -fipa-pta.
8001 * common.opt: Add ipa-pta option.
8002 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8003 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8004 (do_ds_constraint): Ditto.
8005 (get_constraint_for): Only add to referenced_vars if
8006 referenced_vars exists.
8007 (insert_into_field_list): Rewrite to do this unsorted.
8008 (insert_into_field_list_sorted): Rename old insert_into_field_list
8010 (create_function_info_for): Use insert_into_field_list_sorted.
8011 (create_variable_info_for): Rewrite so it uses unsorted version,
8012 since the field list is sorted.
8013 (intra_create_variable_infos): Only add to referenced_vars if
8014 referenced_vars exists.
8015 (ipa_pta_execute): Init heapvars, and delete when done.
8016 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8018 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8020 * doc/install.texi: Add missing `@samp'.
8022 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8024 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8027 2006-02-18 Mark Wielaard <mark@klomp.org>
8029 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8030 who added new 4.1 features, bug fixes and integration support.
8032 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8035 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8038 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8040 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8041 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8042 (copy_insn_1): Likewise. Don't copy each field individually.
8044 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8046 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8047 * rtl.c (rtx_size): Rename variable to...
8048 (rtx_code_size): ...this.
8049 (rtx_size): New function.
8050 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8051 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8053 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8054 * rtl.h (rtx_code_size): New variable.
8055 (rtx_size): Change from a variable to a function.
8056 (RTX_SIZE): Rename to...
8057 (RTX_CODE_SIZE): ...this.
8060 PR tree-optimization/17106
8061 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8062 (Anchored Addresses): New section.
8063 * doc/invoke.texi (-fsection-anchors): Document.
8064 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8065 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8066 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8067 * hooks.c (hook_bool_mode_rtx_false): New function.
8068 * hooks.h (hook_bool_mode_rtx_false): Declare.
8069 * gengtype.c (create_optional_field): New function.
8070 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8071 SYMBOL_REF_IN_BLOCK_P is true.
8072 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8073 (min_anchor_offset, max_anchor_offset): Likewise.
8074 (use_anchors_for_symbol_p): New hook.
8075 * toplev.c (compile_file): Call output_object_blocks.
8076 (target_supports_section_anchors_p): New function.
8077 (process_options): Check that -fsection-anchors is only used on
8078 targets that support it and when -funit-at-a-time is in effect.
8079 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8080 if the decl doesn't have one.
8081 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8082 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8083 of force_const_mem through use_anchored_address.
8084 (expand_expr_constant): New function.
8085 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8086 calling expand_expr for INDIRECT_REF.
8087 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8088 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8089 * expr.h (use_anchored_address): Declare.
8090 * loop-unroll.c: Don't declare rtx vectors here.
8091 * explow.c: Include output.h.
8092 (validize_mem): Call use_anchored_address.
8093 (use_anchored_address): New function.
8094 * common.opt (-fsection-anchors): New switch.
8095 * varasm.c (object_block_htab, anchor_labelno): New variables.
8096 (hash_section, object_block_entry_eq, object_block_entry_hash)
8097 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8098 (use_blocks_for_decl_p, change_symbol_section): New functions.
8099 (get_variable_section): New function, split out from assemble_variable.
8100 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8101 use_blocks_for_decl_p say so. Use change_symbol_section if the
8102 symbol has already been created.
8103 (assemble_variable_contents): New function, split out from...
8104 (assemble_variable): ...here. Don't output any code for
8105 block symbols; just pass them to place_block_symbol.
8106 Use get_variable_section and assemble_variable_contents.
8107 (get_constant_alignment, get_constant_section, get_constant_size): New
8108 functions, split from output_constant_def_contents.
8109 (build_constant_desc): Create a block symbol if use_object_blocks_p
8110 says so. Or into SYMBOL_REF_FLAGS.
8111 (assemble_constant_contents): New function, split from...
8112 (output_constant_def_contents): ...here. Don't output any code
8113 for block symbols; just pass them to place_section_symbol.
8114 Use get_constant_section and get_constant_alignment.
8115 (force_const_mem): Create a block symbol if use_object_blocks_p and
8116 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8117 (output_constant_pool_1): Add an explicit alignment argument.
8118 Don't switch sections here.
8119 (output_constant_pool): Adjust call to output_constant_pool_1.
8120 Switch sections here instead. Don't output anything for block symbols;
8121 just pass them to place_block_symbol.
8122 (init_varasm_once): Initialize object_block_htab.
8123 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8124 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8125 (place_block_symbol, get_section_anchor, output_object_block)
8126 (output_object_block_htab, output_object_blocks): New functions.
8127 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8128 (TARGET_ASM_OUT): Include it.
8129 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8130 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8131 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8132 (TARGET_INITIALIZER): Include them.
8133 * rtl.c (rtl_check_failed_block_symbol): New function.
8134 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8135 (block_symbol, object_block): New structures.
8136 (rtx_def): Add a block_symbol field to the union.
8137 (BLOCK_SYMBOL_CHECK): New macro.
8138 (rtl_check_failed_block_symbol): Declare.
8139 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8140 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8141 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8142 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8143 * output.h (output_section_symbols): Declare.
8144 (object_block): Name structure.
8145 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8146 (default_use_anchors_for_symbol_p): Declare.
8147 * Makefile.in (RTL_BASE_H): Add vec.h.
8148 (explow.o): Depend on output.h.
8149 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8150 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8151 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8152 (rs6000_use_blocks_for_constant_p): New function.
8154 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8156 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8158 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8161 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8164 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8166 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8170 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8173 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8174 instead of DECL_REGISTER.
8176 2006-02-18 Olivier Hainque <hainque@adacore.com>
8179 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8181 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8184 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8185 * opth-gen.awk: Handle Var and InverseMask together.
8186 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8187 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8188 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8189 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8191 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8192 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8193 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8194 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8195 LINUX_DYNAMIC_LINKER): Define.
8196 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8197 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8199 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8200 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8201 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8203 (TARGET_C99_FUNCTIONS): Don't define.
8204 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8205 GLIBC_DYNAMIC_LINKER.
8206 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8207 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8208 GLIBC_DYNAMIC_LINKER64): Define.
8209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8210 LINUX_DYNAMIC_LINKER64.
8211 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8213 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8215 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8217 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8218 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8219 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8221 and LINUX_DYNAMIC_LINKER32.
8222 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8224 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8225 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8226 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8228 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8229 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8230 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8231 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8232 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8233 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8234 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8235 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8236 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8237 LINUX_DYNAMIC_LINKER): Define.
8238 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8239 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8240 GLIBC_DYNAMIC_LINKER64): Define.
8241 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8242 LINUX_DYNAMIC_LINKER64.
8243 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8244 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8245 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8246 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8247 LINUX_DYNAMIC_LINKER): Define.
8248 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8249 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8250 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8251 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8252 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8253 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8254 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8255 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8256 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8257 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8259 * doc/invoke.texi (-muclibc): Remove caveat about supported
8262 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8264 * doc/cpp.texi (__TIMESTAMP__): Document.
8266 2006-02-17 Roger Sayle <roger@eyesopen.com>
8269 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8270 C is one less than the width of X (and related transformations).
8271 * simplify-rtx.c (simplify_unary_operation_1): Transform
8272 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8273 depending on STORE_FLAG_VALUE, were C is one less then the
8276 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8278 Fix PR tree-optimization/26341
8279 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8280 about NAME_MEMORY_TAG's.
8282 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8285 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8286 with hardware float support, and software float support. Add fcpy
8287 alternative to hardware patterns. Add alternatives to copy between
8288 general and floating-point registers to the 32-bit pattern.
8289 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8290 secondary reload to load a QI or HI mode constant into a floating
8292 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8293 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8295 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8298 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8300 (load_macho_picbase_di): Likewise.
8302 2006-02-16 Jeff Law <law@redhat.com>
8304 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8305 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8306 (ssa_name_nonzero_p): Likewise.
8307 (get_value_range): Return NULL if VRP is not running.
8308 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8309 VRP routines do not discover a range.
8310 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8311 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8312 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8313 (tree_expr_nonnegative_p): Similarly.
8314 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8315 (restore_nonzero_vars_to_original_value): Remove.
8316 (unsafe_associative_fp_binop): Remove.
8317 (tree_ssa_dominator_optimize): Remove initialization and
8318 finalization of nonzero_vars and nonzero_vars_stack.
8319 (dom_opt_initialize_block): No longer push marker on
8321 (dom_opt_finalize_block): No longer call
8322 restore_nonzero_vars_to_original_value.
8323 (record_equivalences_from_phis): No longer look for
8324 nonzero PHI arguments.
8325 (cprop_into_successor_phis): No longer propagate nonzero
8326 property into PHI arguments. Lose unused argument. Caller
8328 (record_equivalences_from_stmt): No longer record nonzero
8329 values for SSA_NAMEs.
8330 (lookup_avail_expr): No longer use nonzero_vars.
8332 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8333 for sizetype when sizetype is unsigned.
8335 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8337 PR rtl-optimization/25603
8338 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8339 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8340 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8341 with new meaning of SETS.
8343 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8348 * config/linux.opt: New file.
8349 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8350 LINUX_DYNAMIC_LINKER): Define.
8351 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8352 * config.gcc (*-*-linux*): Define extra_options.
8353 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8354 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8355 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8356 GLIBC_DYNAMIC_LINKER.
8357 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8358 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8359 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8360 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8361 * doc/invoke.texi (GNU/Linux Options): New section.
8363 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8365 * config/sparc/sparc.md (setjmp): Rewrite.
8366 (setjmp_32): Delete.
8367 (setjmp_64): Likewise.
8369 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8371 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8374 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8376 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8379 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8381 PR rtl-optimization/26296
8382 * Makefile.in (loop-invariant.c): Add except.h dependency.
8383 * loop-invariant.c: Include except.h.
8384 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8386 2005-02-16 Paul Brook <paul@codesourcery.com>
8388 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8391 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8393 PR rtl-optimization/25636
8394 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8395 when deciding whether an insn is an initializing insn.
8397 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8399 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8400 (tree_code_size): Ditto.
8401 * tree.h (struct tree_memory_tag): Remove parent_var.
8402 (struct tree_struct_field_tag): New.
8405 (union tree_node): Add sft member.
8406 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8408 (create_sft): Add size and offset argument, set SFT_OFFSET and
8410 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8411 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8412 * tree-flow-inline.h (get_subvar_at): Update for
8413 SFT_OFFSET/SFT_SIZE.
8414 (var_can_have_subvars): Ditto.
8415 (overlap_subvar): Ditto.
8416 * print-tree.c (print_node): Print out interesting things for
8418 * tree-flow.h (struct subvar): Remove offset and size members.
8419 * tree-ssa-operands.c (get_expr_operands): Update for
8420 get_indirect_ref_operands changes.
8421 (get_indirect_ref_operands): Call add_virtual_operand instead of
8422 add_stmt_operand. Only recurse on base var if requested.
8423 (access_can_touch_variable): New function.
8424 (add_stmt_operand): Split virtual operand handling into ...
8425 (add_virtual_operand): Here. Add offset, size, and for_clobber
8426 arguments. Prune alias sets.
8427 (add_call_clobber_ops): Call add_virtual_operand.
8429 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8432 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8434 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8435 than TREE_CODE as index into omp_clause_num_ops array.
8437 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8439 PR rtl-optimization/26184
8440 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8442 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8443 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8444 must_precede, must_follow and tobe_scheduled.
8447 * opts.c (common_handle_option): Free new_option pointer.
8448 * df-core.c (df_analyze): Free postorder pointer.
8450 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8452 * Makefile.in: Fix the examples about the use of stamps
8454 2006-02-15 Michael Matz <matz@suse.de>
8458 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8459 influenced by maximum_field_alignment or DECL_PACKED.
8460 (update_alignment_for_field): Ditto.
8461 (place_field): Ditto.
8462 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8465 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8467 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8468 (debug_flow_info): Pass it.
8469 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8470 * bb-reorder.c (reorder_basic_blocks): Likewise.
8471 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8472 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8473 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8474 * gcse.c (gcse_main, bypass_jumps): Likewise.
8475 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8476 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8477 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8478 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8479 * rtl.h (dump_flow_info): Adjust prototype.
8480 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8481 * var-tracking.c (variable_tracking_main): Likewise.
8482 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8483 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8486 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8488 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8491 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8493 PR tree-optimization/26209
8494 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8495 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8497 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8499 2006-02-14 Roger Sayle <roger@eyesopen.com>
8502 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8503 (X,Y) and the corresponding symmetry related transformations.
8504 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8505 (X,Y) and its symmetry related transformations.
8507 2006-02-14 Roger Sayle <roger@eyesopen.com>
8509 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8512 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8514 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8516 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8519 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8520 support COMDAT group.
8521 * configure: Regenerate.
8523 2006-02-14 Roger Sayle <roger@eyesopen.com>
8528 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8530 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8532 Fix PR tree-optimization/26260
8534 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8536 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8537 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8538 * tree-ssa-structalias.c (create_variable_info_for): Use
8539 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8541 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8543 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8545 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8546 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8547 of the ending condition.
8548 * tree-ssa-loop-manip.c: Include params.h.
8549 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8550 tree_unroll_loop): New functions.
8551 * tree-pass.h (pass_loop_prefetch): Declare.
8552 * loop.c (rest_of_handle_loop_optimize): Test for
8553 -fprefetch-loop-arrays-rtl.
8554 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8555 * timevar.def (TV_TREE_PREFETCH): New timevar.
8556 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8557 pass_loop_prefetch): New.
8558 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8559 (cleanup_tree_cfg_loop): Call scev_reset.
8560 * common.opt (fprefetch-loop-arrays-rtl): Add.
8561 * tree-ssa-loop-prefetch.c: New file.
8562 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8563 (new_temp_expr_table): Initialize expr_vars.
8564 (free_temp_expr_table): Cleanup expr_vars.
8565 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8566 expressions from being merged into one.
8567 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8568 (struct tree_niter_desc): Add control, bound and cmp fields.
8569 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8571 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8572 (tree-cfgcleanup.o): Add SCEV_H dependency.
8573 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8574 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8576 2006-02-14 Richard Guenther <rguenther@suse.de>
8578 PR tree-optimization/26258
8579 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8580 in PHI argument processing.
8582 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8584 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8585 new expression in the requested machine mode.
8587 2006-02-13 Roger Sayle <roger@eyesopen.com>
8589 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8590 directly, instead let do_compare_rtx_and_jump handle this for us.
8591 * expr.c (expand_expr_real_1): Likewise.
8592 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8593 before do_jump_by_parts_greater.
8594 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8595 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8597 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8599 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8601 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8603 PR rtl-optimization/26235
8604 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8605 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8608 2006-02-13 Jeff Law <law@redhat.com>
8610 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8613 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8616 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8617 twice if decl is a builtin. When trying again, call get_callee_fndecl
8618 first to verify it is still a builtin.
8620 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8622 * dwarf2out.c (base_type_die): Don't add AT_name here.
8623 (subrange_type_die): Don't add AT_name here.
8624 (modified_type_die): Rearrange code flow. Do add AT_name here.
8626 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8628 PR rtl-optimization/26247
8629 PR rtl-optimization/26248
8630 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8632 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8634 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8635 * config/fixtfdi.c: Likewise.
8636 * config/fixunstfdi.c: Likewise.
8637 * config/floatditf.c: Likewise.
8639 2006-02-13 Roger Sayle <roger@eyesopen.com>
8642 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8643 into (X,C2) if C1 is a subset of the bits of C2. Transform
8644 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8646 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8648 2006-02-13 Josh Conner <jconner@apple.com>
8651 * varasm.c (function_section): Check for section name before
8652 calling select_section on targets that define
8653 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8654 unlikely_text_section instead of hot_function_section if
8655 first_function_block_is_cold.
8657 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8660 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8662 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8664 PR rtl-optimization/26222
8665 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8666 after tree->rtl expansion.
8667 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8668 before passing it to emit_move_insn.
8670 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8672 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8674 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8675 Clarify documentation.
8676 * c-common.h (warn_write_strings): Remove.
8677 * c-common.c (warn_write_strings): Likewise.
8678 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8681 2006-02-12 Roger Sayle <roger@eyesopen.com>
8684 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8685 (do_jump_parts_zero_rtx): New function renamed from
8686 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8687 (do_jump_parts_equality_rtx): New function split out from
8688 do_jump_parts_equality. Old implementation renamed as above.
8689 Call do_jump_parts_zero_rtx if either operand is zero.
8690 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8691 do all of the heavy lifting.
8692 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8693 calling either do_jump_by_parts_greater_rtx or
8694 do_jump_by_parts_equality_rtx.
8695 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8696 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8697 moved to do_compare_rtx_and_jump, call it directly.
8698 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8699 mode argument. Call do_compare_rtx_and_jump.
8700 (emit_case_nodes): Update calls to do_jump_if_equal.
8702 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8704 PR rtl-optimization/26225
8705 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8707 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8709 PR rtl-optimization/26232
8710 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8712 2006-02-11 Jason Merrill <jason@redhat.com>
8715 * tree-inline.c (declare_return_variable): Just don't use the
8716 modify target if it's a gimple complex reg and the return slot
8719 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8721 * doc/contrib.texi: Update my entry.
8723 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8725 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8727 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8729 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8732 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8734 * doc/invoke.texi (-floop-optimize2): Removed.
8735 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8736 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8737 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8738 * common.opt (floop-optimize2): Removed.
8739 (fmove-loop-invariants): Enabled by default.
8741 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8743 * tree-if-conv.c (combine_blocks): Free the result of
8744 get_loop_exit_edges.
8746 2006-02-10 Jeff Law <law@redhat.com>
8748 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8750 PR tree-optimization/26213
8751 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8752 loop trying to follow SSA_NAME_VALUE chains.
8754 2006-02-10 Richard Guenther <rguenther@suse.de>
8756 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8757 deal with structures that end in implicitly variable sized arrays.
8759 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8761 PR rtl-optimization/24762
8762 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8765 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8767 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8768 (struct ivopts_data): Add regs_used field.
8769 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8770 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8771 instead of loop_data->regs_used;
8772 (free_loop_data): Do not free aux fields for loops.
8773 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8774 and tree_ssa_iv_optimize_finalize.
8776 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8778 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8780 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8783 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8784 computing the effective result type.
8786 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8789 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8790 (tree_overlaps_hard_reg_set): Declare.
8791 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8792 type and signature to match function type expected by walk_tree.
8793 (tree_overlaps_hard_reg_set): New function.
8794 (decl_conflicts_with_clobbers_p): Rename to:
8795 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8796 Use tree_overlaps_hard_reg_set. Changed caller.
8797 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8798 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8799 * cris.c (cris_md_asm_clobbers): Likewise.
8801 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8803 * reload1.c (emit_input_reload_insns): Delete code that tries to
8804 inherit using find_equiv_reg.
8806 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8808 * c-common.h (flag_const_strings): Don't declare.
8809 * c-common.c (flag_const_strings): Remove.
8810 * c.opt (fconst_strings): Remove.
8811 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8812 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8813 (c_common_init_options): Don't set flag_const_strings.
8814 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8816 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8818 * arm.md (tlobits_cbranch): New pattern.
8819 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8820 testing a single bit.
8822 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8825 * tree-ssa-pre.c (create_component_ref_by_pieces):
8826 Handle RETURN_DECL like VAR_DECL.
8828 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8831 * fold-const.c (fold_indirect_ref_1): Fold
8832 "*(foo *)&complexfoo" to "__real__ complexfoo"
8833 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8835 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8837 * tree-flow-inline.h (var_can_have_subvars):
8838 Volatile variables should not have subvariables.
8840 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8843 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8844 multiplying unsigned values.
8847 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8849 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8851 2006-02-08 Jason Merrill <jason@redhat.com>
8854 * tree.def: Elaborate on difference from MODIFY_EXPR.
8855 * doc/c-tree.texi (INIT_EXPR): Likewise.
8856 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8857 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8858 (gimplify_target_expr): Likewise.
8859 (gimplify_cond_expr): Remove target handling.
8860 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8861 (gimplify_expr): Clobber it here.
8862 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8863 Do return slot optimization if we have an INIT_EXPR.
8866 * tree-inline.c (declare_return_variable): Also clear
8867 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8870 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8873 * gimplify.c (gimplify_one_sizepos): Fix typo.
8875 2006-02-08 Jeff Law <law@redhat.com>
8877 PR tree-optimization/21417
8878 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8879 across a backedge if the control statement at the end of the
8880 block is data dependent on other statements in the same block.
8881 (record_temporary_equivalences_from_stmts): Remove over-conservative
8882 test for threading across backedges.
8884 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8885 control statement, handle all three special cases in the same
8886 manner as they all have the same desired solution. No longer
8887 special case edge flag updating when the post dominator is
8890 2006-02-08 Roger Sayle <roger@eyesopen.com>
8892 * tree.def (CHAR_TYPE): Remove.
8893 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8894 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8895 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8896 (gen_string_type_die): Delete unreachable function.
8898 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8899 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8900 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8901 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8902 * builtins.c (type_to_class): Likewise.
8903 * fold-const.c (fold_convert, build_range_check,
8904 merge_ranges): Likewise.
8905 * expr.c (count_type_elements): Likewise.
8906 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8907 * stor-layout.c (layout_type): Likewise.
8908 * ipa-type-escape.c (type_to_consider): Likewise.
8909 * gimplify.c (omp_firstprivatize_type_sizes,
8910 gimplify_type_sizes): Likewise.
8911 * explow.c (promote_mode): Likewise.
8912 * tree-sra.c (is_sra_scalar_type): Likewise.
8913 * varasm.c (output_constant): Likewise.
8914 * tree-inline.c (remap_type_1): Likewise.
8915 * convert.c (convert_to_pointer, convert_to_real,
8916 convert_to_integer, convert_to_complex): Likewise.
8918 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8920 * df-scan.c (df_def_record_1): A set destination may
8921 be a parallel regardless of mode.
8923 2006-02-08 Roger Sayle <roger@eyesopen.com>
8926 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8927 * config/mips/_tilib.c: Remove.
8928 * config/fixtfdi.c: New libgcc source file.
8929 * config/fixunstfdi.c: New source file.
8930 * config/floatditf.c: New source file.
8931 * config/floatunditf.c: New souce file.
8932 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8933 files above instead of config/mips/_tilib.c.
8934 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8936 2006-02-08 Jeff Law <law@redhat.com>
8938 PR tree-optimization/26169
8939 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8942 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8944 * df.h (DF_REG_SIZE): Return the length of the initialized
8947 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8949 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8950 __muldf3): Return a correctly signed zero.
8952 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8954 * passes.c (register_one_dump_file): Accept the current properties
8955 instead of pass number. Adjust call to dump_register. Remove
8957 (register_dump_files): Now a wrapper around...
8958 (register_dump_files_1): ... this one. Do not modify the pass
8960 (next_pass_1): Cosmetic fix.
8961 (execute_todo): Keep second parameter only. Use curr_properties
8962 instead of fetching it from the pass structure. Check and set
8964 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8965 instead of fetching it from the pass structure. Fix calls to
8966 execute_todo. Update curr_properties and initialize .vcg RTL dump
8967 after running the pass. Reset last_verified.
8968 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8970 (FIRST_AUTO_NUMBERED_DUMP): New.
8971 (dump_register): Remove "num" parameter, assign it within the
8973 (get_dump_file_name): Modify template for dumps.
8974 * tree-dump.h (dump_register): Adjust prototype.
8975 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8976 (PROP_trees): Add PROP_gimple_lomp.
8977 (TODO_set_props): New.
8978 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8979 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8980 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8982 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8984 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8985 (sparc64-*-linux*): Likewise.
8986 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8987 * config/sparc/t-linux: New file.
8988 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8989 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8990 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8991 -m32 -mlong-double-128.
8993 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8994 * config/alpha/t-linux: New file.
8995 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8997 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8998 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8999 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9000 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9001 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9002 (CPP_ARCH32_SPEC): Remove.
9004 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9006 PR tree-optimization/26145
9007 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9010 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9013 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9014 >= 240000 when generating code for SOM runtime.
9015 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9016 to $$dyncall when generating code for SOM runtime..
9018 2006-02-07 Dirk Mueller <dmueller@suse.com>
9021 * doc/invoke.texi (-Wsequence-point): Update documentation
9022 that -Wsequence-point is implemented for C++ as well.
9024 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9026 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9027 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9028 (LIB_SPEC): Likewise.
9029 * doc/invoke.texi (SPARC options): Document -pthread.
9031 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9033 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9036 2006-02-07 Roger Sayle <roger@eyesopen.com>
9038 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9039 Correct comment describing BOOLEAN_TYPE.
9041 2006-02-07 Dirk Mueller <dmueller@suse.com>
9043 * c.opt: C++ frontend supports -Wdiv-by-zero.
9044 * c-opts.c (c_common_handle_option): Remove dead case.
9046 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9048 * configure.ac (TLS assembler check): Do not enable TLS by
9049 default on SPARC/Solaris before version 10.
9050 * configure: Regenerate.
9052 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9054 * doc/invoke.texi (xl-compat): Document conversion and support
9057 2006-02-07 Jeff Law <law@redhat.com>
9059 * tree-vrp.c (find_conditional_asserts): Update comments.
9060 (simplify_stmt_for_jump_threading): New.
9061 (identify_jump_threads, finalize_jump_threads): New.
9062 (vrp_finalize): Call identify_jump_threads.
9063 (execute_vrp): Call finalize_jump_threads.
9064 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9065 (vrp_element, vrp_data, vrp_element_p): Remove.
9066 (vrp_hash_elt, vrp_variables_stack): Remove.
9067 (vrp_hash, vrp_eq, record_range): Remove.
9068 (simplify_cond_and_lookup_avail_expr): Remove.
9069 (extract_range_from_cond): Remove.
9070 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9071 (simplify_stmt_for_jump_threading): New.
9072 (dom_thread_across_edge): New wrapper.
9073 (tree_ssa_dominator_optimize): No longer initialize or
9074 finalize any of the VRP datastructures. Remove iteration
9075 step and simplify as a result of removal of iteration step.
9076 (pass_dominator): Perform a cfg cleanup after DOM.
9077 (dom_opt_finalize_block): Use the new common routines
9078 for threading jumps. Simplify stack management slightly.
9079 No longer need to unwind VRP state.
9080 (record_equivalences_from_incoming_edge): No longer record
9082 (eliminate_redundant_computations): No longer call
9083 simplify_cond_and_lookup_avail_expr.
9084 * tree-flow.h (potentially_threadable_block): Prototype.
9085 (thread_across_edge): Likewise.
9086 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9087 (tree-ssa-threadedge.o): Add dependencies.
9088 * tree-ssa-threadedge.c: New file.
9089 * passes.c (init_optimization_passes): Merge PHIs before
9090 calling VRP. Run VRP again late in the SSA optimization pipeline.
9092 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9094 * df-core.c (df_set_blocks): Do not dereference function pointers.
9095 (df_finish1): Likewise.
9096 (df_hybrid_search_forward): Likewise.
9097 (df_hybrid_search_backward): Likewise.
9098 (df_iterative_dataflow): Likewise.
9099 (df_analyze_problem): Likewise.
9100 (df_compact_blocks): Likewise.
9101 (df_dump): Likewise.
9102 * df-scan.c (df_rescan_blocks): Likewise.
9103 (df_record_entry_block_defs): Likewise.
9105 * genconditions.c (write_conditions): Guard the definition of
9106 'insn_conditions' with the check on GCC version.
9107 (write_writer): Guard the traversal 'insn_conditions' with
9108 the check on GCC version.
9110 2006-02-07 Richard Guenther <rguenther@suse.de>
9114 2006-01-30 Richard Guenther <rguenther@suse.de>
9116 * gimplify.c (gimplify_target_expr): Handle easy cases
9117 without creating a temporary.
9119 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9121 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9122 use of float in probability computations. Use edge probabilities
9123 in place of statically computed probabilities.
9124 (min_spec_prob): New static variable.
9125 (schedule_insns): Initialize it.
9126 (GET_SRC_PROB): Removed.
9127 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9129 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9132 * config/ia64/unwind-ia64.c: Revert last change.
9133 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9134 (INCOMING_FRAME_SP_OFFSET): Define.
9136 2006-02-06 Roger Sayle <roger@eyesopen.com>
9138 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9140 2006-02-07 Ben Elliston <bje@au.ibm.com>
9142 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9143 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9144 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9145 (ix86_return_in_memory): Handle TDmode.
9146 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9147 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9149 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9151 * reorg.c (dbr_schedule): Use dump_file instead of file.
9153 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9156 * config/ia64/predicates.md (extr_len_operand): New predicate.
9157 * config/ia64/ia64.md (extv): Tighten constraints.
9159 (*tbit_and_2): Ditto.
9160 (*tbit_and_3): Ditto.
9161 (*tbit_or_2): Ditto.
9162 (*tbit_or_3): Ditto.
9166 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9169 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9171 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9173 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9174 loop_optimizer_init and loop_optimizer_finalize
9175 * tree-ssa-sink.c (execute_sink_code): Ditto.
9176 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9177 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9178 tree_ssa_loop_done): Ditto.
9179 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9180 * sched-ebb.c: Include output.h.
9181 (schedule_ebbs): Do not use dump argument.
9182 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9183 * loop.c (loop_dump_stream): Removed.
9184 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9186 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9187 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9188 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9189 loop_iterations, strength_reduce, record_biv, record_giv,
9190 final_giv_value, check_final_value, check_ext_dependent_givs,
9191 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9192 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9193 dump_file instead of loop_dump_stream.
9194 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9196 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9198 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9199 * haifa-sched.c: Include output.h
9200 (schedule_insns, sched_init): Do not use dump argument.
9201 * mode-switching.c (optimize_mode_switching): Ditto.
9202 * modulo-sched.c (stats_file): Removed.
9203 (print_node_sched_params): Do not call argument dump_file.
9204 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9205 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9207 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9209 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9210 rtl_loop_init, rtl_loop_done): Ditto.
9211 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9212 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9214 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9215 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9216 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9217 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9218 * emit-rtl.c (renumber_insns): Ditto.
9219 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9220 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9221 * regclass.c (regclass): Ditto.
9222 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9223 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9224 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9225 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9227 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9228 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9230 * gcse.c (gcse_file, debug_stderr): Removed.
9231 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9232 rest_of_handle_gcse): Do not use dump argument.
9233 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9234 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9235 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9236 compute_code_hoist_vbeinout, compute_code_hoist_data,
9237 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9238 compute_store_table, build_store_vectors, insert_insn_start_bb,
9239 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9240 store_motion): Use dump_file instead of gcse_file.
9241 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9242 * profile.c (profile_dump_file): Removed.
9243 (branch_prob): Use dump_file instead of profile_dump_file.
9244 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9246 * tree-ssa-copy.c (dump_copy_of): Ditto.
9247 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9248 dump file to life_analysis.
9249 * bt-load.c (branch_target_load_optimize): Ditto.
9250 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9252 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9253 regclass, dbr_schedule): Declaration changed.
9254 * sched-int.h (sched_init): Declaration changed.
9255 * tree-profile.c (tree_profile_dump_file): Removed.
9256 (tree_profile_hooks): Removed profile_dump_file hook.
9257 * rtl-profile (rtl_profile_dump_file): Removed.
9258 (rtl_profile_hooks): emoved profile_dump_file hook.
9259 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9261 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9262 * tree-cfg.c (build_tree_cfg): Ditto.
9263 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9264 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9265 Declaration changed.
9266 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9267 life_analysis and schedule_insns.
9268 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9270 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9272 * config/mips/mips.c (mips_reorg): Ditto.
9273 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9276 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9278 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9279 (s390_mangle_fundamental_type): New.
9280 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9283 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9284 (alpha_mangle_fundamental_type): New.
9285 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9288 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9290 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9292 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9293 (sparc_mangle_fundamental_type): New.
9295 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9297 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9298 (s390x-*-linux*): Likewise.
9299 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9300 * config/s390/t-linux: New file.
9302 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9304 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9305 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9307 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9309 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9310 (ANTIC_SAFE_LOADS): New macro.
9311 (find_or_generate_expression): Add prototype.
9312 (set_contains_value): Allow null set for sake of not always having
9313 to allocate ANTIC_SAFE_LOADS.
9314 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9315 Allow COMPONENT_REF too.
9316 (valid_in_set): Allow COMPONENT_REF.
9317 Check ANTIC_SAFE_LOADS too.
9318 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9319 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9321 (can_PRE_operation): Add COMPONENT_REF.
9322 (create_component_ref_by_pieces): New function.
9323 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9324 (insert_aux): Move AGGREGATE_TYPE_P check here.
9325 (compute_avail): Set bb local stmt uids.
9326 (pass_pre): Use TODO_update_ssa_only_virtuals.
9328 2006-02-06 Ben Elliston <bje@au.ibm.com>
9330 * configure.ac: Unconditionally disable decimal float by default.
9331 * configure: Regenerate.
9333 2006-02-06 Ben Elliston <bje@au.ibm.com>
9335 * read-rtl.c (read_name): Terminate reading on EOF.
9337 2006-02-06 Ben Elliston <bje@au.ibm.com>
9339 * dfp.c (decimal_real_arithmetic): Change second argument type
9340 from int to enum tree_code. Do not always return true, but now
9341 return result of any call to decimal_do helper functions.
9342 * dfp.h (decimal_real_arithmetic): Update prototype.
9344 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9346 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9348 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9351 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9354 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9356 * tree-vrp.c (cfg_loops): Removed.
9357 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9358 Use current_loops instead of cfg_loops. Pass flags to
9359 loop_optimizer_init.
9360 * cfgloopmanip.c (fix_loop_structure): Update only available
9362 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9363 loop_optimizer_init.
9364 * modulo-sched.c (build_loops_structure): Removed.
9365 (sms_schedule): Use loop_optimizer_init.
9366 * loop-init.c (loop_optimizer_init): Use flags to determine
9367 which properties of loops to prepare.
9368 (rtl_loop_init): Pass flags to loop_optimizer_init.
9369 * tree-ssa-sink.c (execute_sink_code): Ditto.
9370 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9371 * tree-ssa-pre.c (init_pre): Ditto.
9372 * cfgloop.h (LOOPS_NORMAL): New.
9373 (loop_optimizer_init): Declaration changed.
9375 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9377 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9378 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9380 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9382 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9384 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9385 * pa/t-pa64: Delete quadlib.c rule.
9386 * pa/x-ada: Revert last change.
9387 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9389 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9391 PR rtl-optimization/26087
9392 * rtlanal.c (canonicalize_condition): Do not cross basic block
9395 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9398 * config/ia64/ia64.c: Include debug.h.
9399 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9400 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9401 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9402 (process_epilogue, process_set, process_for_unwind_directive):
9403 Output unwind info only if requested. Add CFA info if requested.
9404 Add new arguments as needed. Adjust callers.
9405 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9407 (DWARF2_FRAME_INFO): Define to zero.
9408 * config/ia64/unwind-ia64.c: Remove code that compensated for
9409 the CFA offset error fixed above.
9410 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9411 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9412 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9413 -funwind-tables and -fexceptions to enable frame info.
9414 (dwarf2out_frame_init): Define initial CFA even if
9415 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9416 DWARF2_UNWIND_INFO is nonzero, not just defined.
9417 (dwarf2out_frame_finish): Output non-EH call frame info only
9418 if DWARF2_FRAME_INFO is nonzero.
9419 (convert_cfa_to_loc_list,
9420 compute_frame_pointer_to_cfa_displacement): Define even if
9421 unwind info is not supported.
9422 (gen_subprogram_die): Use the above unconditionally. Remove
9423 legacy alternate code.
9424 * toplev.c (compile_file): Compile in call to
9425 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9426 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9428 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9429 Jakub Jelinek <jakub@redhat.com>
9431 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9432 IBM extended float format long double as "g" on powerpc*-linux.
9434 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9437 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9438 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9440 2006-02-03 Jason Merrill <jason@redhat.com>
9443 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9446 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9447 on the return slot if it's an NRV.
9449 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9451 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9452 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9453 rewrite_use): Do not handle USE_OUTER.
9454 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9455 add_iv_outer_candidates, may_replace_final_value,
9456 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9457 (find_interesting_uses_op): Functionality of
9458 find_interesting_uses_outer_or_nonlin moved here.
9459 (find_interesting_uses_outside): Use find_interesting_uses_op.
9461 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9464 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9466 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9467 Ulrich Weigand <uweigand@de.ibm.com>
9470 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9471 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9472 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9473 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9475 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9476 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9477 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9478 Define secondary reloads for TFmode moves.
9479 (constant_modes): Add TFmode.
9480 (NR_C_MODES): Set to 8.
9481 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9483 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9484 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9485 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9486 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9487 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9488 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9489 (FPR mode macro): Add TFmode.
9490 (DSF mode macro): New.
9491 (<de>, <dee> mode attributes): Removed.
9492 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9493 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9494 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9495 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9496 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9497 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9498 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9499 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9500 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9501 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9502 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9503 "*negabs<mode>2", "sqrt<mode>2"):
9504 Changed <de> to <xde>. R constraint replaced by <Rf>.
9505 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9507 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9508 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9509 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9511 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9512 "extenddftf2", "extendsftf2"): New expanders.
9513 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9514 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9515 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9516 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9518 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9519 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9520 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9521 __floatditf): Add a GCC_4.1.0 symbol version tag.
9522 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9525 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9528 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9529 Use targetm.binds_local_p instead of TREE_PUBLIC.
9531 2006-02-02 Roger Sayle <roger@eyesopen.com>
9533 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9534 on INTEGER_TYPEs to indicate that it denotes a character type.
9535 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9536 signed_char_type_node, unsigned_char_type_node and char_type_node.
9537 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9538 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9539 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9541 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9542 Daniel Berlin <dberlin@dberlin.org>
9544 * tree-tailcall.c (arg_needs_copy_p): New function.
9545 (eliminate_tail_call): Use arg_needs_copy_p.
9546 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9547 (add_virtual_phis): New function.
9549 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9551 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9552 #ignore instead of #scratch for %g7 .register directive.
9554 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9556 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9559 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9561 * flow.c (calculate_global_regs_live): Assert that there aren't any
9564 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9566 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9568 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9569 bsi_after_labels iterator.
9570 * tree-if-conv.c (find_phi_replacement_condition,
9571 replace_phi_with_cond_modify_expr): Likewise.
9572 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9573 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9575 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9577 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9579 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9582 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9583 array after growing it.
9585 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9588 * fold-const.c (fold_checksum_tree): Change type of buf.
9590 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9592 * reload.c (push_secondary_reload): Initialize t_icode.
9594 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9596 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9597 -msoft-float -mlong-double-128 only issue a warning, but don't
9598 swich to DFmode long double.
9600 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9602 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9603 has a constant equivalent, iterate over equivalents for arg0,
9604 calling simplify_relational_operation and if there's a result
9605 cheaper than X, apply fold_rtx and return the result.
9607 2006-02-01 Jan Hubicka <jh@suse.cz>
9609 * opts.c (no_unit_at_a_time_default): New global variable.
9610 (decode_options): Use it.
9611 * opts.h (no_unit_at_a_time_default): Declare.
9613 2006-02-01 Paul Brook <paul@codesourcery.com>
9615 * function.c (assign_parm_setup_reg): Use function argument promotion
9617 * expr.c (expand_expr_real_1): Use function argument promotion rules
9620 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9622 * gcc.c (process_command): Change j to 'unsigned int'.
9624 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9627 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9628 Use the corrected index for the character
9629 out of the string constant.
9631 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9633 * mode-switching.c (optimize_mode_switching): Fix size
9634 allocated for bb_info[n_entities].
9636 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9638 * gcc.c (main): Correct type that is allocated for
9639 explicit_link_files.
9641 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9643 * config/s390/s390.c (init_alignment_context): Set
9644 ALIAS_SET_MEMORY_BARRIER on the MEM.
9645 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9647 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9650 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9652 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9655 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9657 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9658 * regrename.c: Ditto.
9659 * tree-ssa-loop-im.c: Ditto.
9660 * tree-dump.c: Ditto.
9661 * tree-complex.c: Ditto.
9662 * genrecog.c: Ditto.
9663 * tree-ssa-threadupdate.c: Ditto.
9665 * java/class.c: Ditto.
9666 * java/jcf-parse.c: Ditto.
9667 * java/resource.c: Ditto.
9668 * java/except.c: Ditto.
9669 * java/jvspec.c: Ditto.
9670 * java/jcf-write.c: Ditto.
9671 * java/jcf-path.c: Ditto.
9672 * java/gjavah.c: Ditto.
9673 * java/zextract.c: Ditto.
9674 * java/jcf-io.c: Ditto.
9675 * java/jcf.h: Ditto.
9676 * java/buffer.c: Ditto.
9677 * java/lang.c: Ditto.
9678 * java/parse-scan.y: Ditto.
9679 * java/lex.c: Ditto.
9680 * java/lex.h: Ditto.
9681 * cfgloopmanip.c: Ditto.
9682 * postreload-gcse.c: Ditto.
9683 * tree-ssa-loop-manip.c: Ditto.
9684 * postreload.c: Ditto.
9685 * tree-ssa-loop-ch.c: Ditto.
9689 * diagnostic.c: Ditto.
9691 * genoutput.c: Ditto.
9693 * cfghooks.c: Ditto.
9694 * cfgloopanal.c: Ditto.
9695 * objc/objc-act.c: Ditto.
9697 * genextract.c: Ditto.
9698 * genautomata.c: Ditto.
9699 * pretty-print.c: Ditto.
9701 * cgraphunit.c: Ditto.
9704 * haifa-sched.c: Ditto.
9705 * dominance.c: Ditto.
9707 * tree-ssa-loop-ivopts.c: Ditto.
9709 * mode-switching.c: Ditto.
9710 * modulo-sched.c: Ditto.
9712 * ipa-pure-const.c: Ditto.
9714 * fix-header.c: Ditto.
9716 * tree-stdarg.c: Ditto.
9717 * ipa-utils.c: Ditto.
9718 * loop-init.c: Ditto.
9719 * ipa-inline.c: Ditto.
9722 * alloc-pool.c: Ditto.
9723 * dwarf2out.c: Ditto.
9725 * genattrtab.c: Ditto.
9726 * tree-ssa-loop-ivcanon.c: Ditto.
9730 * fortran/gfortranspec.c: Ditto.
9732 * local-alloc.c: Ditto.
9733 * langhooks.c: Ditto.
9734 * function.c: Ditto.
9735 * tree-vectorizer.c: Ditto.
9737 * ipa-type-escape.c: Ditto.
9739 * tree-if-conv.c: Ditto.
9742 * tree-data-ref.c: Ditto.
9743 * loop-unroll.c: Ditto.
9744 * treelang/treetree.c: Ditto.
9747 * ggc-common.c: Ditto.
9749 * coverage.c: Ditto.
9751 * tree-cfgcleanup.c: Ditto.
9752 * tree-ssa-pre.c: Ditto.
9753 * cfgcleanup.c: Ditto.
9754 * loop-invariant.c: Ditto.
9756 * ipa-prop.c: Ditto.
9757 * print-tree.c: Ditto.
9758 * conflict.c: Ditto.
9759 * ggc-page.c: Ditto.
9760 * sched-deps.c: Ditto.
9761 * regclass.c: Ditto.
9762 * tree-object-size.c: Ditto.
9764 * bb-reorder.c: Ditto.
9765 * resource.c: Ditto.
9766 * var-tracking.c: Ditto.
9768 * df-problems.c: Ditto.
9769 * reg-stack.c: Ditto.
9772 * sched-rgn.c: Ditto.
9773 * tree-ssa-structalias.c: Ditto.
9774 * tree-ssa-reassoc.c: Ditto.
9775 * config/darwin-c.c: Ditto.
9776 * config/darwin.c: Ditto.
9777 * config/arm/arm.c: Ditto.
9779 * collect2.c: Ditto.
9782 2006-01-31 Nicolas Pitre <nico@cam.org>
9784 * arm.md (smaxsi3): Make aware of smax_m1.
9787 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9789 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9791 2006-01-31 Richard Guenther <rguenther@suse.de>
9793 * doc/invoke.texi (-msselibm): Document.
9794 * target.h (expand_library_builtin): New target hook.
9795 * builtins.c (expand_builtin): Use expand_library_builtin.
9796 (default_expand_library_builtin): New function.
9797 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9798 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9799 (link_gcc_math_spec): Declare.
9800 (static_specs): Add link_gcc_math_spec.
9801 * expr.h (default_expand_library_builtin): Declare.
9802 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9803 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9804 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9805 * config/i386/i386.opt (msselibm): New target option.
9806 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9807 (ix86_init_sse_abi_builtins): New function.
9808 (ix86_expand_library_builtin): Likewise.
9809 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9810 (override_options): Handle error conditions wrt -msselibm.
9811 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9812 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9813 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9816 2006-01-31 Richard Guenther <rguenther@suse.de>
9817 Paolo Bonzini <bonzini@gnu.org>
9819 * doc/install.texi (--disable-libgcc-math): Document.
9821 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9823 * expr.h (expand_normal): new inline function.
9824 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9826 * dwarf2out.c: use it.
9831 * config/sparc/sparc.c: use it.
9832 * config/i386/i386.c: use it.
9833 * config/rs6000/rs6000.c: use it.
9834 * config/arm/arm.c: use it.
9835 * config/mips/mips.c: use it.
9836 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9838 2006-01-30 Roger Sayle <roger@eyesopen.com>
9840 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9841 argv to the appropriate type.
9843 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9845 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9848 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9851 * config/s390/s390.c (struct machine_function): New flag
9852 decomposed_literal_pool_addresses_ok_p.
9853 (s390_reorg): Set it before final stage of literal pool transforms.
9854 (s390_decompose_address): Only accept displacements of the form
9855 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9857 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9859 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9860 the comparison routine return.
9862 2006-01-30 Michael Matz <matz@suse.de>
9864 * global.c (find_reg): Only evict for global regs.
9865 Take n_refs into account and dump more info.
9867 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9870 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9871 (pragma_trap, pragma_nosave_low_regs): Likewise.
9872 (current_function_anonymous_args): Likewise.
9873 (sh_deferred_function_attributes): New variable.
9874 (sh_deferred_function_attributes_tail): Likewise.
9875 (print_operand): For '@', look up trap_exit attribute.
9876 (calc_live_regs): Look up trapa_handler attribute. For trapa
9877 handlers, save/restore fpscr, but don't do any other
9878 interrupt-specific saves.
9879 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9880 Fix check for partially saved registers to check for SHmedia.
9881 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9882 (sh_output_function_epilogue): Don't clear any of the removed
9884 (sh_insert_attributes): Don't check pragma_interrupt.
9885 Insert deferred attributes. Check that interrupt attribute is
9886 present for other attributes that require its presence.
9887 (sh_attribute_table): Add new attributes trapa_handler and
9889 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9890 Don't check for pragma_interrupt. Don't store argument.
9891 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9892 (sh_deferred_function_attributes): Declare.
9893 (sh_deferred_function_attributes_tail): Likewise.
9894 * sh.md (sp_switch_1): Add operand. Change generator caller.
9895 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9896 (*return_i): Don't use when trap_exit attribute is in effect.
9897 (*return_trapa): New insn pattern.
9899 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9900 setting c_target_objs and cxx_target_objs.
9901 * t-sh: Add rule for sh-c.o.
9903 2006-01-30 Richard Guenther <rguenther@suse.de>
9906 * gimplify.c (gimplify_target_expr): Handle easy cases
9907 without creating a temporary.
9909 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9911 * vec.h (safe_grow): Remove duplicated line.
9913 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9916 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9917 (expand_omp): ... here.
9918 (expand_omp_parallel): Only remove barriers for combined
9919 parallel+workshare constructs.
9921 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9925 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9926 * tree.c (build_qualified_type): Chain the new type to the original
9927 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9928 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9929 (build_pointer_type_for_mode): Only return unqualified types.
9930 (build_reference_type_for_mode): Likewise.
9932 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9934 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9935 * Makefile.in (CXX_COMPAT_WARN): Define.
9936 * configure: Regenerate.
9938 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9941 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9944 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9946 * toplev.c: Fix thinko.
9948 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9949 Marcin Dalecki <martin@dalecki.de>
9951 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9952 (push_srcloc): Use XNEW.
9953 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9955 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9957 * df-core.c (df_set_blocks): Deleted all variable.
9959 2006-01-28 Ian Lance Taylor <ian@airs.com>
9961 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9962 cgraph_output_pending_asms.
9964 2006-01-28 Zack Weinberg <zackw@panix.com>
9966 * c.opt: Add -W(no-)overlength-strings.
9967 * doc/invoke.texi: Document it.
9968 * c-opts.c (c_common_handle_option): -pedantic implies
9969 -Woverlength-strings, if not explicitly disabled already.
9970 (c_common_post_options): -Woverlength-strings defaults to off, and
9971 is always off for C++.
9972 * c-common.c (fix_string_type): Issue warning about strings longer
9973 than is portable only if warn_overlength_strings. Rearrange code
9974 a little for clarity.
9975 * configure.in: Check for -Wno-overlength-strings as well before
9976 enabling -pedantic in stage 1.
9977 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9978 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9980 * genconditions.c (write_header, write_one_condition)
9981 (write_conditions, write_writer): Consolidate very long strings
9982 that were broken up to fit in C89 portable limit. Don't use
9983 printf when fputs will do.
9985 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9987 * combine.c (simplify_comparison <AND>): Check
9988 TRULY_NOOP_TRUNCATION before start using a subreg.
9990 * config/mips/mips.md (*branch_zero<mode>,
9991 *branch_zero<mode>_inverted, *branch_equality<mode>,
9992 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9993 Remove mode check from comparisons.
9995 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9997 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9999 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10001 * expmed.c (const_mult_add_overflow_p): Remove.
10002 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10004 * recog.c (validate_replace_rtx_subexp): Remove.
10005 * recog.h: Remove the prototype for
10006 validate_replace_rtx_subexp.
10008 * integrate.h: Remove the prototype for
10009 copy_decl_for_inlining.
10010 * rtl.h: Remove the prototype for mark_constant_function.
10011 * tree-vectorizer.h: Remove the prototype for
10012 vect_strip_conversion.
10014 * modulo-sched.c (create_partial_schedule,
10015 free_partial_schedule, reset_partial_schedule): Make them
10018 * hooks.c (hook_bool_rtx_int_false): Remove.
10019 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10021 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10023 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10024 and -mlong-double-128 are incompatible.
10025 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10026 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10027 (TARGET_LIBGCC2_CFLAGS): Define.
10028 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10029 (TARGET_LIBGCC2_CFLAGS): Same.
10030 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10032 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10035 * c-typeck.c (build_binary_op): Perform implicit casts of
10036 operands before shortening them.
10038 * cfgloopmanip.c (split_loop_bb): Remove.
10039 * cfgloop.h: Remove the prototype for split_loop_bb.
10041 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10042 * cfgloop.h: Remove the prototype for
10043 flow_loop_outside_edge_p.
10045 * emit-rtl.c (init_virtual_regs): Make it static.
10046 * function.h: Remove the prototype for init_virtual_regs.
10048 * recog.c (peephole2_optimize): Make it static.
10049 * recog.h: Remove the prototype for peephole2_optimize.
10051 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10053 * df-scan.c (df_record_entry_block_defs): Check if
10054 INCOMING_RETURN_ADDR_RTX is defined.
10056 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10057 Kenneth Zadeck <zadeck@naturalbridge.com>
10059 PR rtl-optimization/24762
10060 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10061 * targhooks.c (hook_void_bitmap): New hook prototype.
10062 * targhoohs.h (hook_void_bitmap): Ditto.
10063 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10064 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10065 * target.h (live_on_entry): New function pointer.
10066 * df-scan.c (df_all_hard_regs): Removed.
10067 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10068 (df_scan_free_internal): Added df->entry_block_defs.
10069 (df_scan_alloc): Ditto.
10070 (df_scan_dump): Ditto.
10071 (df_uses_record): Plumbed flag field properly thru calls.
10072 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10073 This part fixes PR24762.
10074 (df_bb_refs_record): Added code to make the frame and arg
10075 pointers live in EH blocks.
10076 (df_refs_record): Added call to df_record_entry_block_defs.
10077 (df_record_entry_block_defs): New function.
10078 * df-core.c: Added comments to describe new artifical defs.
10079 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10080 (entry_block_defs): New field in struct df.
10081 (df_all_hard_regs): Deleted.
10082 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10083 * df-problems.c (df_ru_bb_local_compute_process_def):
10084 Added code to handle artifical defs in the entry to a function.
10085 (df_ru_bb_local_compute): Ditto.
10086 (df_rd_bb_local_compute_process_def): Ditto.
10087 (df_rd_bb_local_compute): Ditto.
10088 (df_lr_bb_local_compute): Ditto.
10089 (df_ur_bb_local_compute): Ditto.
10090 (df_urec_bb_local_compute): Ditto.
10091 (df_chain_create_bb): Ditto.
10092 (df_ur_local_finalize): Removed entry.
10093 (df_urec_init): Ditto.
10094 (df_urec_local_finalize): Ditto.
10095 (df_ri_bb_compute): Added detection of last use of pseudos.
10096 * Makefile.in (df-scan.o): Updated dependencies.
10097 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10098 * config/mips/mips.c (mips_set_live_on_entry): Added.
10099 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10101 * dce.c (marked_insn_p): Added code to handle artifical defs.
10103 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10105 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10107 (_mm_cvtsi128_si64): Likewise.
10108 (_mm_cvtsd_si64): Likewise.
10109 (_mm_cvttsd_si64): Likewise.
10110 (_mm_cvtsi64_sd): Likewise.
10111 (_mm_cvtsi64_si128): Likewise.
10112 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10113 (_mm_cvtsi64_m64): Likewise.
10114 (_m_to_int64): Likewise.
10115 (_mm_cvtm64_si64): Likewise.
10116 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10117 (_mm_cvttss_si64): Likewise.
10118 (_mm_cvtsi64_ss): Likewise.
10119 (_mm_cvtss_f32): Likewise.
10121 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10123 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10124 for pragma redefine_extname.
10126 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10129 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10130 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10131 -mno-minimal-toc to previous content.
10132 (bispecs): Remove goal.
10133 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10134 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10135 compatibility aliases on powerpc-*-*gnu*.
10136 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10137 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10138 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10139 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10140 (ldblspecs): New goal.
10141 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10142 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10144 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10145 L_sf_to_tf or L_df_to_tf is defined.
10147 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10148 Alan Modra <amodra@bigpond.net.au>
10151 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10152 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10153 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10154 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10155 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10156 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10157 (rs6000_override_options): Initialize rs6000_ieeequad.
10158 Initialize TFmode format to ibm_extended_format if not
10160 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10162 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10163 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10164 (function_arg_advance): IBM long double passed in two FPRs, not
10166 (function_arg): IBM long double passed in FPRs.
10167 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10168 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10169 Only multireg GPR aligned.
10170 (rs6000_init_libfuncs): Enable IBM long double functions if not
10172 (rs6000_generate_compare): Use IBM long double compare if not
10174 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10175 (TARGET_IEEEQUAD): Define.
10176 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10177 not TARGET_IEEEQUAD.
10178 * config/rs6000/rs6000.md: Enable TFmode patterns if
10180 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10181 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10182 and -mlong-double-128 are incompatible.
10183 * doc/invoke.texi (-mabi): Collect options together. Add
10184 ibmlongdouble and ieeelongdouble.
10186 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10188 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10190 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10191 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10192 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10193 * rtl.h (rtunion_def): Remove rt_ptr.
10195 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10196 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10197 * config/i386/winnt.c (i386_pe_mark_dllexport)
10198 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10200 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10202 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10204 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10208 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10209 pthread_key_delete. From John David Anglin. gthrw-ify
10210 pthread_getunique_np only if it it's not a macro. Delete
10212 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10213 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10214 __gthread_objc_condition_signal, __gthread_key_delete): Add
10215 "__attribute__ ((__unused__))" to unused arguments.
10216 (__gthread_recursive_mutex_init_function): Add missing return.
10217 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10218 gthr-posix95.h: Use macro-based approach for name redirection
10219 on targets missing weakref.
10221 2006-01-26 Zack Weinberg <zackw@panix.com>
10223 * genconditions.c (write_header): In generated code, #ifdef out
10224 all includes and fake declarations, except includes of bconfig.h
10225 and system.h, unless GCC_VERSION >= 3001. Do not include
10226 gensupport.h in any case.
10227 (write_conditions): Generate a definition of struct c_test. Add
10228 a comment to the generated #endif.
10229 (write_one_condition): Escape backslashes in string too.
10230 (write_writer): Generated code must escape backslashes and quote
10231 marks (but not newlines) in the strings it writes.
10232 * Makefile.in (build/gencondmd.o): Update dependencies.
10234 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10237 * Makefile.in (insn-automata.o): Add header file dependencies.
10238 * genautomata.c: Add includes.
10240 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10243 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10245 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10247 * configure.ac: Expect target tools paths to be passed from the toplevel
10248 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10250 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10252 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10255 * c.opt (Wpointer-sign): Init to -1.
10256 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10257 OPT_pedantic, to 0 otherwise.
10258 * doc/invoke.texi: Update.
10260 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10262 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10263 constants provided by 80387 instructions in the destination mode.
10265 2006-01-26 Richard Guenther <rguenther@suse.de>
10266 Andrew Pinski <pinskia@physics.uc.edu>
10269 partial PR tree-opt/17064
10270 * tree-ssa-structalias.c (intra_create_variable_infos):
10271 Create heap variables for incoming parameters if
10272 flag_argument_noalias > 1.
10273 (find_what_p_points_to): Look through default defs of
10276 2006-01-26 Jeff Law <law@redhat.com>
10279 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10280 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10281 within the VR_RANGE, use the VR_RANGE as the result, not the
10283 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10284 bounds for the type.
10286 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10288 * tree-ssa-alias.c (maybe_create_global_var): Change
10289 subvar walking to an assertion that we don't have subvar'd variables.
10291 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10294 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10295 Use a new variable, inner. PARM_DECLs are always non-weak.
10297 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10299 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10300 --disable-checking.
10302 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10304 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10306 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10308 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10309 (smax_insn, smin_insn, smax_0, smin_0): New.
10311 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10314 * config/cris/cris.c (cris_order_for_addsi3): New function.
10315 * config/cris/cris-protos.h: Prototype it.
10316 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10317 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10318 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10319 (split for "op.S1 [rx=rx+i],ry (swapped)")
10320 (split for "op(s|u).S1 [rx=rx+i],ry")
10321 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10322 Apply cris_order_for_addsi3 when generating addsi3 insns.
10324 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10326 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10327 (TREE_BLOCK): Add call to EXPR_CHECK.
10329 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10332 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10333 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10334 (dump_omp_clauses): ... here.
10335 (dump_generic_node): Handle OMP_CLAUSE.
10336 * tree.c (omp_clause_num_ops): New.
10337 (omp_clause_code_name): New.
10338 (tree_code_size): Handle OMP_CLAUSE.
10339 (tree_size): Likewise.
10340 (make_node): Document handling of OMP_CLAUSE.
10341 (tree_node_structure): Handle OMP_CLAUSE.
10342 (omp_clause_check_failed): New.
10343 (omp_clause_range_check_failed): New.
10344 (omp_clause_operand_check_failed): New.
10345 (build_omp_clause): New.
10346 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10347 * tree.h (enum omp_clause_code): Declare.
10348 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10349 (OMP_CLAUSE_RANGE_CHECK): Define.
10350 (OMP_CLAUSE_ELT_CHECK): Define.
10351 (omp_clause_check_failed): Declare.
10352 (omp_clause_operand_check_failed): Declare.
10353 (omp_clause_range_check_failed): Declare.
10354 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10355 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10356 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10357 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10358 (OMP_CLAUSE_IF_EXPR): Likewise.
10359 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10360 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10361 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10362 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10363 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10364 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10365 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10366 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10367 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10368 (OMP_CLAUSE_CODE): Define.
10369 (OMP_CLAUSE_SET_CODE): Define.
10370 (OMP_CLAUSE_CODE): Define.
10371 (OMP_CLAUSE_OPERAND): Define.
10372 (struct tree_omp_clause): Declare.
10373 (union tree_node): Add field 'omp_clause'.
10374 * treestruct.def (TS_OMP_CLAUSE): Define.
10375 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10376 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10377 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10378 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10379 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10380 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10381 (OMP_CLAUSE): Define.
10382 * print-tree.c (print_node): Handle OMP_CLAUSE.
10383 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10384 * c-typeck.c: Likewise.
10385 * gimplify.c: Likewise.
10386 * c-omp.c: Likewise.
10387 * tree-nested.c: Likewise.
10388 * tree-inline.c: Likewise.
10389 * c-parser.c: Likewise.
10390 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10393 2006-01-25 Roger Sayle <roger@eyesopen.com>
10395 PR rtl-optimization/25703
10396 * combine.c (try_combine): Handle zero_extract and strict_low_part
10397 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10399 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10401 * global.c: Fix comment typos.
10403 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10406 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10407 Use output_addr_const instead of assemble_name.
10409 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10411 * Makefile.in (sched-vis.o): Update dependencies.
10412 * haifa-sched.c (sched_finish): Clear current_sched_info.
10413 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10414 (dump_flow_info): Call it.
10415 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10417 * basic-block.h (dump_bb_info): Declare.
10418 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10419 option, and apply options only for dump files whose TDF_RTL,
10420 TDF_TREE, or TDF_IPA bits match.
10421 * rtl.h: Declare new functions exported from sched-vis.c.
10422 * sched-vis.c: Enable also if scheduling is not used.
10423 (print_value): Print the mode of registers if not inside scheduling.
10424 (print_insn): Make it work outside the scheduler. Beautify the output
10426 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10428 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10430 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10431 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10432 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10433 depending on the value of CONSTANT_POOL_ADDRESS_P.
10434 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10436 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10437 rather than SYMBOL_REF_DECL.
10438 (rtx_constant_pool): Remove const_rtx_sym_htab.
10439 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10440 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10441 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10442 Remove handling of const_rtx_sym_htab.
10443 (find_pool_constant): Delete.
10444 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10445 rather than find_pool_constant.
10446 (get_pool_constant_for_function): Delete.
10447 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10448 find_pool_constant.
10449 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10450 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10451 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10452 (SYMBOL_REF_CONSTANT): New macro.
10453 (get_pool_constant_for_function): Delete.
10454 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10455 rather than SYMBOL_REF_DECL.
10456 (i386_pe_mark_dllimport): Likewise.
10457 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10458 rather than SYMBOL_REF_DECL.
10459 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10460 (machopic_indirect_call_target): Likewise.
10462 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10464 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10466 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10468 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10470 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10472 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10474 2006-01-24 David Daney <ddaney@avtrex.com>
10477 * configure.ac (enable_tls): New enable option.
10478 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10479 * configure: Regenerate.
10480 * doc/install.texi (--enable-tls): Document new option.
10481 (--disable-tls): Ditto.
10483 2006-01-24 Richard Henderson <rth@redehat.com>
10485 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10486 * alias.c (true_dependence): Respect it.
10487 (canon_true_dependence, write_dependence_p): Likewise.
10488 * builtins.c (get_builtin_sync_mem): Set it.
10490 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10492 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10495 2006-01-24 DJ Delorie <dj@redhat.com>
10497 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10498 for storing constants in single-bit bitfields.
10500 2006-01-25 Ben Elliston <bje@au.ibm.com>
10502 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10504 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10507 * tree-ssa-pre.c (phi_translate): Return NULL
10508 for AGGREGATE_TYPE's.
10510 2006-01-24 Zack Weinberg <zackw@panix.com>
10512 * genautomata.c (process_state_for_insn_equiv_partition):
10513 Use xcalloc for insn_arcs_array.
10514 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10515 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10517 2006-01-24 Richard Henderson <rth@redhat.com>
10519 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10520 update all callers.
10522 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10524 PR rtl-optimization/25890
10525 PR rtl-optimization/25905
10526 * combine.c (expand_compound_operation, expand_field_assignment):
10527 Fail if the bitfield's final position is out of bounds.
10529 2006-01-24 Ian Lance Taylor <ian@airs.com>
10531 PR middle-end/25930
10532 * cgraphunit.c (cgraph_output_in_order): Don't clear
10533 cgraph_asm_nodes until after asm strings have been output.
10535 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10537 * fix-header.c (read_scan_file): Add new parameter imultilib when
10538 calling register_include_chains.
10540 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10542 * omp-low.c: Update documentation.
10544 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10545 Daniel Berlin <dberlin@dberlin.org>
10549 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10550 return from the function.
10552 2006-01-22 Zack Weinberg <zackw@panix.com>
10554 * rtl.def (match_code): Add second argument.
10555 * genpreds.c (write_extract_subexp): New function.
10556 (write_match_code): Add path argument. Use write_extract_subexp.
10557 (write_predicate_expr): Pass path to write_match_code.
10558 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10559 not perform a mode test.
10560 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10561 a subexpression does not constrain the top-level code set.
10562 * read-rtl.c (read_rtx_variadic): New function.
10563 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10564 * doc/md.texi: Document new notation.
10565 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10566 (cmpsi_operand): ... here, using new notation.
10568 2006-01-22 Zack Weinberg <zackw@panix.com>
10570 * varray.c: Remove GENERATOR_FILE #ifdefs.
10572 2006-01-22 Zack Weinberg <zackw@panix.com>
10574 * genautomata.c (output_reserved_units_table): Emit nothing if
10575 description->query_units_num is zero. Remove extra blank line.
10576 (output_cpu_unit_reservation_p): Short circuit
10577 if description->query_units_num is zero.
10579 2006-01-22 Zack Weinberg <zackw@panix.com>
10581 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10582 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10583 nor any of the random handful of variables that used to be necessary
10584 when this program was linked with rtlanal.o. Prune set of forward
10585 function declarations.
10586 (struct attr_desc): Remove static_p field.
10587 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10588 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10589 (attr_string): Do not read the character one past the length of
10591 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10592 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10593 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10594 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10595 (make_automaton_attrs): New.
10596 (main): Do not call into genautomata. Call local gen_bypass
10597 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10598 Remove special case for insn_alts.
10599 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10600 varray.h (leftover from previous change). Prune set of forward
10601 function declarations. Remove state_alts fields from all
10602 structures. Remove state_alts_table from struct automaton.
10603 Make everything except main static. Do not maintain num_dfa_decls.
10604 Do not maintain state_alts fields of various structures.
10605 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10606 (add_arc): Remove state_alts argument. All callers updated.
10607 (output_reserved_units_table): Emit #ifdef here...
10608 (output_tables): ...not here. Don't generate state_alts tables.
10609 (expand_automata): Don't generate attributes.
10610 (write_automata): Don't generate state_alts functions.
10611 (main): New function.
10612 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10613 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10614 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10615 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10616 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10617 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10618 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10619 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10621 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10622 * genattrtab.h: Delete file.
10623 * Makefile.in (OBJS-common): Add insn-automata.o.
10624 (insn-automata.o): New rule.
10625 (simple_generated_c): Add insn-automata.c.
10626 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10627 (genprogmd): Add automata.
10628 (build/genattrtab): Needs no extra objects nor libraries.
10629 (build/genautomata): Needs build/vec.o and -lm.
10631 2006-01-22 Zack Weinberg <zackw@panix.com>
10633 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10634 (output_dfa_max_issue_rate, locked_states_num): Delete.
10635 (struct automaton): Add locked_states field.
10636 (output_dead_lock_vect): Save number of locked states in
10637 automaton->locked_states. If it is zero, don't print anything.
10638 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10639 (output_internal_dead_lock_func): Only test the dead_lock_vect
10640 for automata that have locked states.
10641 (output_statistics): Always print the number of locked states for
10642 each automaton. Calculate total number of locked states here.
10643 (write_automata): Don't call output_dfa_max_issue_rate.
10644 * genattrtab.c: Define length_unit_log as a const variable.
10645 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10646 max_insn_queue_index const.
10647 * final.c (length_unit_log): Declare const.
10648 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10650 2006-01-22 Zack Weinberg <zackw@panix.com>
10652 * genautomata.c: Include vec.h, not varray.h.
10653 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10654 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10655 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10656 VEC_* macros operating on appropriately typed vectors, or to
10657 malloced arrays when the size is known in advance. Const-ify
10658 many char* variables and function arguments. No functional changes.
10659 * Makefile.in (build/varray.o): Delete rule.
10660 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10661 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10663 2006-01-22 Zack Weinberg <zackw@panix.com>
10665 * gensupport.c: Define get_insn_name and record_insn_name here.
10666 (read_md_rtx): Call record_insn_name as appropriate.
10667 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10668 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10669 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10671 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10672 (BUILD_VARRAY): Delete.
10673 (genprognormal): Rename genprogmd. Fold in all programs from
10674 genprognoprint; also attrtab.
10675 (build/genattrtab): Just mention genautomata.o and varray.o.
10676 Reorganize a bit, add comments to make the categories clearer.
10678 2006-01-22 Zack Weinberg <zackw@panix.com>
10680 * genconditions.c (condition_table, add_condition): Delete.
10681 (write_conditions): Don't emit n_insn_conditions nor
10682 insn_elision_unavailable. Issue the gcc version #ifdef here,
10683 inside the table, with no #else clause ...
10684 (write_header): ...not here.
10685 (write_writer): New function.
10686 (main): Don't initialize condition_table. Use add_c_test.
10688 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10689 files on the command line.
10690 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10691 Return -1 if there is no entry in the table, don't abort.
10692 (add_c_test, traverse_c_tests): New functions.
10693 * gensupport.h (insn_elision_unavailable, insn_conditions)
10694 (n_insn_conditions): Delete declarations.
10695 (add_c_test, traverse_c_tests): Declare.
10696 * read-rtl.c: Include gensupport.h.
10697 (read_conditions): New function.
10698 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10699 (read_rtx_1): If we get EOF when we were looking for an initial
10700 open paren, return 0. Call read_conditions when appropriate.
10701 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10702 dummy-conditions.o. Eliminate references to insn-conditions.o,
10703 or change them to build/gencondmd.o, as appropriate. Remove
10704 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10705 from $(simple_generated_c). For all files remaining in those
10706 two lists, add insn-conditions.md to the generator command line.
10707 Give insn-constants.h/s-constants their own rules. Add rules
10708 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10709 (build/read-rtl.o): Depend on gensupport.h.
10710 (genprognormal): Include preds.
10711 (genprogearly): Rename genprognoprint; only difference is now that
10712 they don't link with $(BUILD_PRINT).
10713 * dummy-conditions.c: Delete.
10715 2006-01-22 Zack Weinberg <zackw@panix.com>
10717 * genextract.c: Don't include insn-config.h. Do include vec.h.
10718 Declare vectors of int, char, and locstr.
10719 (locstr): New typedef.
10720 (struct extraction): Make all array fields into bare pointers.
10721 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10722 (insn_code_number): Delete.
10723 (accum_extract): New struct.
10724 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10725 (gen_insn): Take insn_code_number as an argument. Use an
10726 accum_extract structure instead of loading data directly into
10727 a struct extraction, and having to know how big it might get.
10728 (walk_rtx): Operate entirely on an accum_extract structure.
10729 (print_path): Avoid unnecessary use of printf.
10730 (print_header): New function, split out of main. Distinguish
10731 more carefully between an unrecognizable insn and an insn that
10732 has the code number of a define_expand.
10733 (main): Pass insn_code_number to gen_insn. Call print_header
10734 only after parsing. Avoid unnecessary use of printf.
10735 * Makefile.in (build/vec.o): New rule.
10736 (build/genextract): Depend on build/vec.o.
10737 (build/genextract.o): Don't depend on insn-config.h.
10739 2006-01-22 Zack Weinberg <zackw@panix.com>
10741 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10742 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10743 practical. Eliminate per-generator-program link rules.
10745 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10747 PR middle-end/24437
10748 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10749 with a call expr to ...
10750 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10752 2006-01-23 Richard Guenther <rguenther@suse.de>
10754 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10755 before make_edge with conditional EDGE_TRUE_VALUE.
10757 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10758 Jan Hubicka <jh@suse.cz>
10759 Richard Guenther <rguenther@suse.de>
10761 PR rtl-optimization/25654
10762 * cfgexpand.c (aggregate_contains_union_type): New function.
10763 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10764 for structure variables that contain a union type.
10766 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10768 * gengtype.c (new_structure): Return the structure.
10769 (create_option): Add an extra "next" argument.
10770 (create_field): New function.
10771 (adjust_field_rtx_def): Use create_option and create_field.
10772 Remove a now-unnecessary call to find_structure.
10773 (adjust_field_tree_def): Likewise.
10774 (note_yacc_type): Remove an unnecessary call to find_structure.
10775 * gengtype.h (new_structure): Return the structure.
10776 (create_option): Add an extra argument.
10777 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10778 (option): Adjust calls to create_option.
10780 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10782 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10784 2006-01-22 Paul Brook <paul@codesourcery.com>
10785 Peter Barada <peter@the-baradas.com>
10787 * config/m68k/m68k.md: Add Coldfire FPU support.
10788 Define FP mode macro and associated attributes.
10789 Use it for float mode patterns.
10790 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10791 (LIBCALL_VALUE): Use m68k_libcall_value.
10792 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10793 (m68k_function_value): Ditto.
10794 (emit_move_sequence): Ditto.
10795 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10796 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10797 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10798 (MULTILIB_EXCEPTIONS): Ditto.
10799 * config/m68k/m68k.opt: Add mcfv4e.
10800 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10801 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10802 (m68k_output_function_prologue): Save ColdFire FPU registers.
10803 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10804 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10805 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10806 ColdFire FPU registers.
10807 (m68k_libcall_value, m68k_function_value): New functions.
10808 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10809 (LIBCALL_VALUE): Use m68k_libcall_value.
10810 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10811 (MASK_COLDFIRE): Add MASK_CFV4E.
10812 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10813 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10814 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10815 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10816 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10817 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10818 * doc/invoke.tex: Document -mcfv4e on m68k.
10820 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10822 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10825 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10828 * c-opts.c (c_common_handle_option): Don't include
10829 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10830 * doc/invoke.texi (C++ Dialect Options): Document that
10831 -Wnon-virtual-dtor is no longer included in -Wall.
10833 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10835 * gcov.c (print_version), gcov-dump.c (print_version),
10836 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10839 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10841 * df-scan.c (problem_SCAN): Added NULL reset function.
10842 (df_scan_reset_blocks): Added code to call reset block function
10843 (df_bb_refs_delete) Fixed comment.
10844 (df_insn_refs_delete): Made tolerant of deleting non existent info
10845 for dataflow problems that need to be reset.
10846 * df-core.c (df_set_blocks): Ditto.
10847 * df.h (struct df_problem): Added reset_fun.
10848 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10849 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10850 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10851 functions to clear out all references to def-use or use-def chains.
10853 2006-01-21 Ben Elliston <bje@au.ibm.com>
10855 * varasm.c (assemble_real): Initialise data array.
10857 2006-01-20 Paul Brook <paul@codesourcery.com>
10859 Merge from csl-arm-branch.
10860 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10861 * config/arm/arm.md (movdi): Force operands[1] to a register
10862 if we have a non-register source.
10863 (*arm_movdi, *movdf_soft_insn): Require that one of the
10864 operands be a register.
10865 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10866 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10868 2006-01-20 DJ Delorie <dj@redhat.com>
10870 * varasm.c (initializer_constant_valid_p): Allow pointers
10871 initialized from integer constants of lesser precision.
10872 (output_constant): Allow non-int-sized pointer modes to be
10873 initialized from integer constants.
10875 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10878 * cppdefault.h (struct default_include): Add multilib flag.
10879 * cppdefault.c (cpp_include_defaults): Set it.
10880 * c.opt (-imultilib): New option.
10881 * c-opts.c (imultilib): New.
10882 (c_common_handle_option): Handle -imultilib.
10883 (c_common_post_options): Likewise.
10884 * c-incpath.c (add_standard_paths, register_include_chains):
10886 * c-incpath.h (register_include_chains): Add extra parameter.
10887 * gcc.c (do_spec_1): Generate -imultilib option.
10888 (The Specs Language): Update %I description.
10889 (process_command): Update copyright notice.
10890 * doc/cppopts.texi (-imultilib): Document.
10891 * doc/invoke.texi (-imultilib): Include in option summary.
10892 (%I): Update specs documentation.
10894 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10896 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10898 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10900 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10903 2006-01-20 Richard Guenther <rguenther@suse.de>
10904 Steven Bosscher <stevenb.gcc@gmail.com>
10906 PR rtl-optimization/24626
10907 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10908 EDGE_TRUE_VALUE if in RTL mode.
10911 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10912 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10914 2006-01-20 Dirk Mueller <dmueller@suse.com>
10917 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10918 instead of a special NOP marker.
10919 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10920 NOP marker handling.
10921 * c-common.h (empty_body_warning): Add forward declaration.
10922 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10923 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10925 2006-01-20 Paul Brook <paul@codesourcery.com>
10927 * Makefile.in (lang_checks): Keep going if mkdir fails.
10929 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10931 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10932 be able to clean out basic block when not necessary.
10933 (df_scan_free): Fixed to properly delete information if df is
10934 unused before calling df_finish.
10935 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10936 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10938 (df_bb_refs_delete): New function.
10939 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10940 * df-core.c (df_set_blocks): Added code to properly clean out
10941 unused blocks if they are not part of the blocks to consider.
10942 Added additional null check.
10943 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10944 be able to clean out basic block when not necessary
10945 * df.h (df_free_bb_function): Ditto.
10946 (df_bb_refs_delete): New function.
10947 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10948 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10949 basic block parameter to be able to clean out basic block when not
10951 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10952 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10953 Fixed to properly delete information if df is unused before
10956 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10958 PR rtl-optimization/25799
10959 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10960 Corrected confluence operator to remove bits from op2 before oring
10961 with op1 rather than removing bits from op1.
10962 (df_ru_transfer_function): Corrected test on wrong bitmap which
10963 caused infinite loop. Both of these problems were introduced in
10964 the dataflow rewrite.
10966 2006-01-19 DJ Delorie <dj@redhat.com>
10968 * reload1.c (find_reload_regs): Note the details of reload
10969 failures in the dump file.
10970 (spill_failure): Likewise.
10972 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10974 * loop-iv.c: Include df.h and hashtab.h.
10975 (enum iv_grd_result): New enum.
10976 (DF_REF_IV, DF_REF_IV_SET): New macros.
10977 (struct biv_entry): New.
10978 (df, bivs): New global variables.
10979 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10980 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10982 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10983 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10984 analyzed_for_bivness_p, record_biv): New functions.
10985 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10986 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10987 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10989 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10991 (iv_number_of_iterations): Use new interface to iv analysis.
10992 * loop-unroll.c: Do not include varray.h.
10993 (analyze_iv_to_split_insn): Use new interface to iv
10995 * loop-unswitch.c (may_unswitch_on): Ditto.
10996 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10998 (df_bb_modify): Realloc tables to the new index.
10999 (df_find_use): New function.
11000 * df.h (df_find_use): Declare.
11001 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11003 * cfgloop.h (struct rtx_iv): Remove analysed field.
11004 (iv_get_reaching_def): Removed.
11005 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11006 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11007 (loop-iv.o): Add df.h and hashtab.h dependency.
11008 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11010 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11013 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11015 (__floatundisf, __floatundidf): Likewise.
11016 * libgcc2.h (IS_IBM_EXTENDED): Define.
11018 2006-01-19 DJ Delorie <dj@redhat.com>
11020 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11022 2006-01-19 Paul Brook <paul@codesourcery.com>
11024 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11025 as nothrow when unwinding tables are disabled.
11027 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11030 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11031 of bit-field" when in system header.
11033 2006-01-19 DJ Delorie <dj@redhat.com>
11035 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11036 the 16 bit shift limit of the m16c.
11038 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11041 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11042 * config/i386/i386.c (output_set_got): Output the label if we have one
11043 for the TARGET_DEEP_BRANCH_PREDICTION case.
11045 2006-01-19 Jan Hubicka <jh@suse.cz>
11046 H.J. Lu <hongjiu.lu@intel.com>
11047 Evandro Menezes <evandro.menezes@amd.com>
11049 * invoke.texi (generic): Document
11051 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11052 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11053 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11054 (x86_use_incdec, x86_pad_returns): New variables
11055 (TARGET_CPU_DEFAULT_generic): New constant
11056 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11057 (enum processor_type): Add generic32 and generic64.
11058 * i386.md (cpu attribute): Add generic32/generic64
11059 (movhi splitter): Behave sanely when both partial_reg_dependency and
11060 partial_reg_stall are set.
11061 (K8 splitters): Enable for generic as well.
11062 * predicates.md (incdec_operand): Use TARGET_INCDEC
11063 (aligned_operand): Avoid memory mismatch stalls.
11064 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11065 * ppro.md: Enable for generic32
11066 * i386.c (generic64_cost, generic32_cost): New.
11067 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11068 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11069 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11070 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11071 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11072 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11073 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11074 x86_accumulate_outgoing_args, x86_prologue_using_move,
11075 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11076 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11077 Enable for generic.
11078 (x86_use_incdec, x86_pad_returns): New.
11079 (override_options): Add generic32 and generic64, translate "generic"
11080 to generic32/generic64 and "i686" to "generic32", refuse
11081 "generic32"/"generic64" as arch target.
11082 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11083 (ix86_reorg): Honor PAD_RETURNS.
11085 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11087 * tree-pretty-print.c (dump_generic_node): Handle
11088 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11089 * cgraph.c (cgraph_expand_queue): Rename from
11090 cgraph_analyze_queue. Update all users.
11091 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11092 cgraph_expand_queue.
11093 (cgraph_expand_all_functions): Likewise.
11094 (cgraph_finalize_pending_functions): Remove. Update callers.
11096 * tree.h (OMP_DIRECTIVE_P): Define.
11097 (OMP_PARALLEL_FN): Define.
11098 (OMP_PARALLEL_DATA_ARG): Define.
11099 (OMP_SECTIONS_SECTIONS): Define.
11100 * tree-pass.h (pass_expand_omp): Declare.
11101 * omp-low.c (struct omp_region): Declare.
11102 (struct omp_context): Remove fields 'parallel_type',
11103 'parallel_start_ix' and 'parallel_start_additional_args'.
11105 (struct omp_for_data): Rename from struct expand_omp_for_data.
11106 (omp_regions): New static variable.
11107 (root_omp_region): New static variable.
11108 (find_omp_clause): Make static.
11109 (is_in_combined_parallel_ctx): Remove.
11110 (is_combined_parallel): New.
11111 (extract_omp_for_data): Move earlier in the file.
11112 (workshare_safe_to_combine_p): New.
11113 (get_ws_args_for): New.
11114 (determine_parallel_type): Move earlier in the file.
11115 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11117 (omp_copy_decl): Likewise.
11118 (create_omp_child_function): Likewise.
11119 (lookup_omp_region): New.
11120 (dump_omp_region): New.
11121 (debug_omp_region): New.
11122 (debug_all_omp_regions): New.
11123 (new_omp_region): New.
11124 (scan_omp_parallel): If parallel_nesting_level > 1, the
11125 directive is nested within another parallel directive.
11126 Set OMP_PARALLEL_FN.
11127 (scan_omp_for): Do not try to handle combined parallel+for
11129 Remove FIXME comment.
11130 (scan_omp_nested): Remove.
11131 (scan_omp_1): Do not call scan_omp_nested when
11132 parallel_nesting_level is > 1.
11133 Do not change the DECL_CONTEXT of local variables found.
11134 (lookup_decl_in_outer_ctx): New.
11135 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11136 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11137 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11138 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11139 If CTX is nested, lookup VAR in the outer context when
11140 building copy assignment.
11141 (lower_send_clauses): Rename from expand_send_clauses.
11142 If CTX is nested, lookup VAR in the outer context when
11143 building copy assignments.
11144 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11145 If CTX is nested, lookup VAR in the outer context when
11146 building copy assignments.
11147 (expand_parallel_call): Rename from build_parallel_call.
11148 Handle combined parallel+workshare cases.
11149 Re-implement to emit code into the CFG.
11151 (expand_omp_parallel): Re-implement to emit code into the CFG.
11152 Call move_sese_region_to_fn to outline the sub-graph
11153 containing the parallel region.
11154 (expand_omp_for_1): Remove.
11155 (expand_omp_for_generic): Re-implement to emit code into the
11157 (expand_omp_for_static_nochunk): Likewise.
11158 (expand_omp_for_static_chunk): Likewise.
11159 (expand_omp_for): Likewise.
11160 (expand_omp_sections): Likewise.
11161 (remove_exit_barriers): New.
11162 (expand_omp_synch): New.
11164 (build_omp_regions_1): New.
11165 (build_omp_regions): New.
11166 (execute_expand_omp): New.
11167 (gate_expand_omp): New.
11168 (pass_expand_omp): Define.
11169 (lower_omp_sections): Rename from expand_omp_sections.
11170 Set OMP_SECTIONS_SECTIONS.
11171 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11172 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11173 (lower_omp_single): Rename from expand_omp_simple.
11174 (lower_omp_master): Rename from expand_omp_master.
11175 (lower_omp_ordered): Rename from expand_omp_ordered.
11176 (lower_omp_critical): Rename from expand_omp_critical.
11177 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11178 (lower_omp_for): Re-implement.
11179 (lower_omp_parallel): Re-implement.
11180 (lower_regimplify): Rename from expand_regimplify.
11181 (lower_omp_1): Rename from expand_omp_1.
11182 If there are syntax errors in the program, replace every
11183 OpenMP directive with NOP.
11184 Call lower_omp_* instead of expand_omp_*.
11185 (lower_omp): Rename from expand_omp.
11187 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11188 * tree-gimple.h (enum omp_parallel_type): Remove.
11189 (gimple_boolify): Declare extern.
11190 (find_omp_clause, determine_parallel_type): Remove.
11192 * gimple-low.c (lower_omp_directive): New.
11193 (lower_stmt): Call it.
11194 (record_vars_into): Move from ...
11195 (record_vars): ... here.
11196 Call record_vars_into with current_function_decl.
11198 * gimplify.c (struct gimplify_ctx): Remove fields
11199 combined_pre_p and combined_ctxp. Update users.
11200 (get_formal_tmp_var): Add documentation.
11201 (gimple_boolify): Make extern.
11202 (gimplify_expr_in_ctx): Remove. Update callers.
11203 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11204 will always be a BIND_EXPR.
11205 (gimplify_expr): Handle OMP_RETURN_EXPR.
11206 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11207 (OMP_PARALLEL): Add 3 operands.
11208 (OMP_SECTIONS): Add 1 operand.
11209 (OMP_RETURN_EXPR): Define.
11211 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11212 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11213 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11214 creating a circular free list.
11215 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11217 * tree-flow.h (move_sese_region_to_fn): Declare.
11218 (record_vars_into): Declare.
11219 * tree-cfg.c (make_omp_sections_edges): New.
11220 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11221 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11222 OMP_SECTIONS and OMP_SECTION.
11223 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11224 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11225 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11226 (gather_blocks_in_sese_region): New.
11227 (struct move_stmt_d): Declare.
11228 (move_stmt_r): New.
11229 (move_block_to_fn): New.
11230 (move_sese_region_to_fn): New.
11232 * passes.c (init_optimization_passes): Schedule
11233 pass_expand_omp after pass_init_datastructures.
11235 * tree-ssa-operands.c (get_expr_operands): Handle
11236 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11237 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11239 2006-01-19 Jeff Law <law@redhat.com>
11241 * tree-vrp.c (extract_range_from_assert): Refine the result range
11242 if the variable referenced by the ASSERT_EXPR has a range and
11243 either the tentative result range or the previous range is a
11246 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11248 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11250 2006-01-19 Jan Hubicka <jh@suse.cz>
11252 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11254 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11256 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11257 (expand_compound_operation, expand_field_assignment): Fail if the
11258 bit lengths of an extract operation are out of range.
11259 (make_extraction): Compute wanted_inner_mode based on the position
11260 and length of the extraction. Make it extraction_mode for non-constant
11261 positions, and do not modify offset in that case. When generating a
11262 new MEM, use a mode that can hold the extraction while keeping correct
11263 alignment. Remove code that supported MEMs wrapped by USEs.
11264 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11266 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11268 * config/s390/s390.md ("Y", "y"): New mode attribute.
11269 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11270 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11271 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11272 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11273 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11274 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11275 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11276 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11277 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11278 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11279 "addsi3", "subsi3"): Insn patterns removed.
11280 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11281 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11282 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11283 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11284 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11285 "*sub<mode>3_cconly2"): New insn patterns.
11286 ("addsi3", "subsi3"): New expanders.
11288 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11290 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11291 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11292 existing STMT_VINFO_VECTYPE if available.
11293 (vect_mark_relevant): Add special handling for stmts that are
11294 marked as STMT_VINFO_IN_PATTERN_P.
11295 (vect_analyze_loop): Call vect_pattern_recog.
11296 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11297 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11299 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11300 (vect_recog_func_ptr): New function-pointer type.
11301 * tree-vect-patterns.c: New file.
11302 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11303 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11304 (vect_pattern_recog_1): New functions.
11305 (vect_pattern_recog_funcs): New array of function pointers.
11307 * tree-vectorizer.h (ternary_op): New enum value.
11308 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11309 declaration. Revised documentation. Removed redundant dump prints.
11310 Removed redundant argument. Added support for reduction patterns.
11311 (vectorizable_reduction): Added support for reduction patterns.
11312 (vect_transform_stmt): Added support for patterns.
11314 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11315 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11316 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11317 (expand_widen_pattern_expr): New function.
11318 (init_optabs): Initialize new optabs udot_prod_optab,
11320 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11321 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11322 (expand_widen_pattern_expr): New function declaration.
11323 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11325 * tree-inline.c (estimate_num_insns_1): Added cases for new
11326 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11327 * tree-pretty-print.c (dump_generic_node): Likewise.
11328 (op_prio): Likewise.
11329 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11330 * tree-ssa-operands.c (get_expr_operands): Added case for
11332 * tree-vect-patterns.c (widened_name_p): New function.
11333 (vect_recog_dot_prod_pattern): Added function implementation.
11334 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11335 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11336 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11337 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11339 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11340 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11341 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11342 (init_optabs): Initialize new optabs widen_ssum_optab,
11344 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11345 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11346 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11347 use instead of type of def.
11348 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11349 function implementation.
11350 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11351 widen_ssumv8hi): New.
11353 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11356 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11359 * c-decl.c (add_flexible_array_elts_to_size): New function.
11360 (finish_decl): Use it.
11362 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11364 * diagnostic.h: Include options.h.
11365 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11366 dependancies for diagnostic.h.
11367 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11369 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11371 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11372 (ssa_ro_call_cache_valid): Ditto.
11373 * tree-ssa-alias.c (sort_tags_by_id): New function.
11374 (init_transitive_clobber_worklist): Ditto.
11375 (add_to_worklist): Ditto.
11376 (mark_aliases_call_clobbered): Ditto.
11377 (compute_tag_properties): Ditto.
11378 (set_initial_properties): Ditto.
11379 (compute_call_clobbered): Ditto.
11380 (compute_may_aliases): Call compute_call_clobbered and grouping.
11381 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11382 (compute_flow_insensitive_aliasing): Grouping now happens in our
11384 (setup_pointers_and_addressables): Remove clobbering related code.
11385 (add_may_alias): Ditto.
11386 (replace_may_alias): Ditto.
11387 (get_nmt_for): Ditto.
11388 (create_global_var):
11389 (is_escape_site): Return an escape_type enumeration.
11390 * tree-flow-inline.h (is_call_clobbered): Global var does not
11391 imply call clobbered.
11392 (mark_call_clobbered): Take a reason for marking this. Remove
11393 marking of globalness, and cache invalidation.
11394 (clear_call_clobbered): Remove cache invalidation code.
11395 * tree-dfa.c (dump_variable): If details is on, dump the reason
11397 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11399 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11400 (struct var_ann_d): Ditto.
11401 (enum escape_type): New.
11402 (mark_call_clobbered): Adjust prototype.
11403 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11404 are never call clobbered.
11405 Record reasons for escaping.
11406 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11407 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11408 (ssa_ro_call_cache_valid): Ditto.
11409 (clobbered_v_may_defs): Ditto.
11410 (clobbered_vuses): Ditto.
11411 (ro_call_vuses): Ditto.
11412 (clobber_stats): New.
11413 (init_ssa_operands): Zero out clobber stats.
11414 (fini_ssa_operands): Print out clobber stats.
11415 (get_call_expr_operands): Pass callee fndecl to
11416 add_call_read_ops).
11417 (add_call_clobber_ops): Remove use of cache.
11418 Add use of PURE_CONST information.
11419 (add_call_read_ops): Remove use of cache.
11420 Add use of static not_read information.
11422 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11424 Introduce TLS descriptors for i386 and x86_64.
11425 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11426 (TARGET_ANY_GNU_TLS): New macro.
11427 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11428 (struct machine_function): Add tls_descriptor_call_expanded_p.
11429 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11430 (ix86_current_function_calls_tls_descriptor): Likewise.
11431 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11432 (override_options): Introduce gnu2 tls dialect.
11433 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11435 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11437 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11438 (ix86_init_machine_status): Initialize new field.
11439 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11440 (ix86_tls_module_base): New.
11441 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11442 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11443 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11444 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11445 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11446 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11447 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11448 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11449 * config/i386/predicates.md (tls_modbase_operand): New.
11450 (tp_or_register_operand): New.
11452 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11454 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11455 (look_for_address_of): Ditto.
11456 (ipa_init): Walk the function decls.
11457 (static_execute): Don't set readonly on FUNCTION_DECL's.
11459 2006-01-18 Roger Sayle <roger@eyesopen.com>
11461 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11462 for shifts where the source and destination registers are different.
11464 2006-01-18 Paul Brook <paul@codesourcery.com>
11466 Merge from csl-arm-branch.
11467 2005-03-14 Julian Brown <julian@codesourcery.com>
11468 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11469 (aeabi_llsl): Likewise.
11470 (ashrdi3): Likewise.
11471 (aeabi_lasr): Likewise.
11472 (lshrdi3): Likewise.
11473 (aeabi_llsr): Likewise.
11474 2005-03-10 Julian Brown <julian@codesourcery.com>
11475 * config.gcc: Disable shared libgcc for SymbianOS.
11476 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11478 2006-01-18 DJ Delorie <dj@redhat.com>
11480 * c-pragma.c (handle_pragma_diagnostic): New.
11481 (init_pragma): Register it.
11482 * doc/extend.texi: Document it.
11484 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11485 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11486 (diagnostic_context): Add classify_diagnostic[].
11487 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11488 as errors if they're overridden to DK_WARNING.
11489 (diagnostic_initialize): Initialize classify_diagnostic[].
11490 (diagnostic_set_kind_override): New.
11491 (diagnostic_report_diagnostic): Check for kind changes.
11492 * opts.c (common_handle_option): Take lang_mask. Update callers.
11493 Handle OPT_Werror_.
11494 * common.opt (Werror=): New.
11495 * doc/invoke.texi: Document -Werror=*
11497 2006-01-18 Jeff Law <law@redhat.com>
11499 * tree-vrp.c (test_for_singularity): Correct test for new
11500 min limit. Use operand_equal_p rather than pointer equality
11501 for testing if new min/max values are equal.
11503 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11504 using range information until after propagation and folding.
11506 2006-01-18 Richard Henderson <rth@redhat.com>
11507 Aldy Hernandez <aldyh@redhat.com>
11508 Jakub Jelinek <jakub@redhat.com>
11509 Diego Novillo <dnovillo@redhat.com>
11511 * omp-low.c: New file.
11512 * c-omp.c: New file.
11514 2006-01-18 Richard Henderson <rth@redhat.com>
11515 Jakub Jelinek <jakub@redhat.com>
11516 Diego Novillo <dnovillo@redhat.com>
11518 * doc/invoke.texi: Document -fopenmp.
11519 * tree-dump.h (debug_function): Declare.
11520 * hooks.c (hook_bool_tree_bool_false): New function.
11521 (hook_tree_tree_null): Remove.
11522 (hook_tree_tree_tree_null): New.
11523 * hooks.h: Update to match.
11524 * tree-pretty-print.c (debug_tree_chain): New.
11525 (print_generic_expr): Handle TDF_CHAIN.
11526 (dump_generic_node): Handle BLOCK.
11527 Do not abort with incomplete SWITCH_EXPRs.
11528 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11529 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11530 print space after directive name.
11531 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11532 Handle OMP_MASTER and OMP_ORDERED.
11533 Handle printing of OMP_BODY just in one place, goto
11534 dump_omp_body in the rest of OMP_* nodes that have
11536 Don't handle clause nodes here. Update omp statements to
11537 use dump_omp_clauses.
11538 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11539 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11540 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11541 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11542 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11543 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11544 Adjust output for GOMP_PARALLEL.
11545 (dump_omp_clauses): New.
11546 (print_declaration): Dump DECL_VALUE_EXPR.
11547 (op_symbol_1): Split out of op_symbol.
11548 (dumping_stmts): Remove. Update all users.
11549 * cgraph.c (cgraph_analyze_queue): New.
11550 (cgraph_add_new_function): New.
11551 * cgraph.h (cgraph_analyze_queue): Declare.
11552 (cgraph_add_new_function): Declare.
11553 (cgraph_lower_function): Remove.
11554 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11555 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11556 and TYPE_P nodes in its default clause.
11557 (empty_body_p): New.
11558 (tree_range_check_failed): New.
11559 (build5_stat): New.
11560 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11561 OMP_CLAUSE_REDUCTION_MERGE,
11562 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11563 OMP_CLAUSE_PRIVATE_DEBUG,
11564 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11565 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11566 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11567 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11568 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11569 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11570 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11571 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11572 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11573 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11574 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11575 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11576 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11577 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11578 (TREE_RANGE_CHECK): New.
11579 (empty_body_p): Declare.
11580 (enum omp_clause_default_kind): New.
11581 (build_string_literal): Declare.
11582 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11583 (build5_stat, build5): Declare.
11584 * tree-pass.h (TDF_CHAIN): Define.
11585 * tree-pass.h (PROP_gimple_lomp): Define.
11586 (pass_lower_omp): Declare.
11587 * diagnostic.h (debug_tree_chain): Declare.
11588 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11590 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11591 * builtins.c (build_string_literal): Make extern.
11592 * gcc.c (include_spec_function): New.
11593 (static_spec_functions): Add it.
11594 (main): Move load of libgomp.spec ...
11595 (LINK_COMMAND_SPEC): ... here.
11596 (link_gomp_spec): New.
11597 (static_specs): Include it.
11598 (LINK_COMMAND_SPEC): Add link_gomp.
11599 (GOMP_SELF_SPECS): New.
11600 (driver_self_specs): Include it.
11601 (switch_matches): Don't mark inline.
11602 (main): Load libgomp.spec.
11603 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11604 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11605 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11606 * tree-gimple.h (enum omp_parallel): Declare.
11607 (determine_parallel_type): Declare.
11608 (omp_firstprivatize_variable): Declare.
11609 (omp_reduction_init): Declare.
11610 (diagnose_omp_structured_block_errors): Declare.
11611 (struct walk_stmt_info): Add want_return_expr.
11612 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11613 (find_omp_clause): Declare.
11614 (insert_field_into_struct): Declare.
11615 (struct walk_stmt_info): Move from tree-nested.c
11616 (walk_stmts): Declare.
11617 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11619 * cgraphunit.c (cgraph_lower_function): Make static.
11620 (cgraph_finalize_pending_functions): New.
11621 (cgraph_finalize_function): Call it.
11622 (cgraph_finalize_compilation_unit): Likewise.
11623 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11624 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11625 (BT_FN_UINT_UINT): New.
11626 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11627 DEF_FUNCTION_TYPE_VAR_4): Document.
11628 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11629 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11630 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11631 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11632 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11633 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11634 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11635 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11636 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11637 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11638 into separate files.
11639 (DEF_GOMP_BUILTIN): New.
11640 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11641 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11642 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11643 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11644 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11645 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11646 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11647 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11648 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11649 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11650 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11651 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11652 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11653 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11654 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11655 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11656 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11657 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11658 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11659 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11660 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11661 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11662 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11663 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11664 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11665 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11666 * sync-builtins.def: New file, moved from builtins.def.
11667 * omp-builtins.def: New file, moved from builtins.def.
11668 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11669 * gimple-low.c (lower_function_body): Clear data.
11670 (lower_stmt): Do not handle COMPOUND_EXPR.
11671 Remove call to print_node_brief.
11672 * c-tree.h (c_finish_omp_clauses): New prototype.
11673 (C_DECL_THREADPRIVATE_P): Define.
11674 (lookup_name_no_remap, c_omp_remap_private): Remove
11675 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11676 (check_for_loop_decls): Update decl.
11677 (lookup_name_no_remap, c_omp_remap_private): Declare.
11678 (build_indirect_ref, build_modify_expr, pushdecl,
11679 pushdecl_top_level): Move to c-common.h.
11680 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11681 before the switch, but just in the 2 places that need it.
11682 * c-decl.c (diagnose_mismatched_decls): Do not check for
11683 mismatched thread-local attributes when OLDDECL is marked
11684 threadprivate and NEWDECL has no thread-local attributes.
11685 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11686 (c_gimple_diagnostics_recursively): Rename from
11687 c_warn_unused_result_recursively. Invoke
11688 diagnose_omp_structured_block_errors.
11689 (check_for_loop_decls): Return a singular decl found.
11690 * langhooks.c (lhd_omp_predetermined_sharing): Return
11691 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11692 (lhd_omp_firstprivatize_type_sizes): New.
11693 (lhd_omp_assignment): New.
11694 (lhd_omp_predetermined_sharing): New.
11695 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11696 (struct lang_hooks_for_types): Add
11697 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11698 omp_predetermined_sharing, omp_disregard_value_expr,
11699 omp_private_debug_clause, omp_clause_default_ctor,
11700 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11701 (c_finish_omp_clauses): New.
11702 (c_finish_bc_stmt): Diagnose break within omp for.
11703 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11704 (build_unary_op): Return error_mark after reporting
11706 (build_modify_expr): Likewise.
11707 * gimplify.c: Include optabs.h and pointer-set.h.
11708 (enum gimplify_omp_var_data): Declare.
11709 (struct gimplify_omp_ctx): Declare.
11710 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11712 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11713 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11714 (splay_tree_compare_decl_uid): New.
11715 (new_omp_context): New.
11716 (delete_omp_context): New.
11717 (gimple_add_tmp_var): Call omp_add_variable.
11718 (gimplify_bind_expr): Likewise.
11719 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11720 true, disregard DECL_VALUE_EXPR on the decl if any.
11721 (gimplify_expr_in_ctx): New.
11722 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11723 omp_add_variable, omp_notice_variable, omp_is_private
11724 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11725 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11726 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11727 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11728 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11729 gimplify_omp_atomic): New.
11730 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11731 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11732 OMP_CRITICAL and OMP_ATOMIC.
11733 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11734 * c-pragma.h (enum pragma_kind): Add
11735 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11736 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11737 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11738 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11739 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11740 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11741 PRAGMA_OMP_THREADPRIVATE.
11742 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11743 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11744 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11745 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11746 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11747 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11748 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11749 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11750 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11751 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11752 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11753 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11754 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11756 (struct nesting_info): Add field_map,
11757 suppress_expansion, debug_var_chain.
11758 (create_nesting_tree): Initialize them.
11759 (lookup_field_for_decl): Use field_map.
11760 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11761 (convert_local_omp_clauses): New.
11762 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11763 (walk_body): Split out of walk_function.
11764 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11765 (convert_nonlocal_reference): Handle omp statements.
11766 (convert_local_reference): Likewise.
11767 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11768 (unnest_nesting_tree): New.
11769 (lower_nested_functions): Call it.
11770 (insert_field_into_struct): Make extern.
11771 (struct walk_stmt_info): Move to tree-gimple.h.
11772 (walk_stmts): Make extern.
11773 * omp-builtins.def: New file.
11774 * tree-iterator.c (expr_only): Clarify comment.
11775 * c-common.h (pushdecl_top_level, pushdecl,
11776 build_modify_expr, build_indirect_ref,
11777 c_finish_omp_master, c_finish_omp_critical,
11778 c_finish_omp_ordered, c_finish_omp_barrier,
11779 c_finish_omp_atomic, c_finish_omp_flush,
11780 c_finish_omp_for, c_split_parallel_clauses,
11781 omp_clause_default_kind, c_omp_sharing_predetermined,
11782 c_omp_remap_decl): Declare.
11783 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11784 (OBJS-common): Add omp-low.o.
11785 (c-omp.o, omp-low.o): Add.
11786 (gimplify.o): Add dependency on $(OPTABS_H).
11787 (GTFILES): Add omp-low.c.
11788 (gt-stringpool.h): Add.
11789 * tree-cfg.c (set_bb_for_stmt): Do not update the
11790 block-to-labels map if we are currently expanding to RTL.
11791 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11793 Handle IDENTIFIER_NODE.
11794 (tree_verify_flow_info): Do not ICE when emitting error
11795 messages about invalid labels.
11796 (dump_function_to_file): Reset CFUN before emitting the body
11798 (debug_function): New.
11799 * passes.c (init_optimization_passes): Schedule
11801 * langhooks-def.h (lhd_omp_predetermined_sharing,
11802 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11804 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11805 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11806 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11807 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11808 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11809 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11810 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11811 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11812 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11813 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11814 (LANG_HOOK_DECLS): Use them.
11816 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11817 Richard Henderson <rth@redhat.com>
11818 Jakub Jelinek <jakub@redhat.com>
11819 Diego Novillo <dnovillo@redhat.com>
11821 * c-parser.c (pragma_omp_clause): Define.
11822 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11823 (c_parser_compound_statement): Likewise.
11824 (c_parser_statement): Likewise.
11825 (c_parser_pragma): Handle omp pragmas.
11826 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11827 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11828 (c_parser_omp_clause_name, check_no_duplicate_clause,
11829 c_parser_omp_variable_list,
11830 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11831 c_parser_omp_clause_copyprivate,
11832 c_parser_omp_clause_default,
11833 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11834 c_parser_omp_clause_lastprivate,
11835 c_parser_omp_clause_nowait,
11836 c_parser_omp_clause_num_threads,
11837 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11838 c_parser_omp_clause_reduction,
11839 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11840 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11841 c_parser_omp_atomic, c_parser_omp_barrier,
11842 c_parser_omp_critical, c_parser_omp_flush,
11843 c_parser_omp_for_loop, c_parser_omp_for,
11844 c_parser_omp_master, c_parser_omp_ordered,
11845 c_parser_omp_sections_scope, c_parser_omp_sections,
11846 c_parser_omp_parallel, c_parser_omp_single,
11847 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11848 * c-pragma.c (init_pragma): Do omp pragma registration here.
11849 * c.opt (fopenmp): New flag.
11851 2006-01-18 Eric Christopher <echristo@apple.com>
11853 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11854 * config/darwin.h (GOMP_SELF_SPECS): Define.
11856 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11858 * rtl.h: Remove the prototype for reg_alloc.
11860 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11863 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11864 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11865 sjlj and dwarf2 exception handling.
11866 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11867 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11868 * pa/pa.c (function_value): Treat complex and vector types as
11870 (function_arg): Likewise. Only pass scalar floats in the floating
11871 point argument registers.
11872 * pa/t-slibgcc-dwarf-ver: New file.
11873 * pa/t-slibgcc-sjlj-ver: New file.
11874 * pa/t-slibgcc-elf-ver: Delete file.
11876 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11878 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11879 unlikely_test_section_p test.
11881 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11883 * mode-switching.c (optimize_mode_switching): Make it static.
11884 * basic-block.h: Remove the prototype for
11885 optimize_mode_switching.
11887 * modulo-sched.c (sms_schedule): Make it static.
11888 * rtl.h: Remove the prototype for sms_schedule.
11890 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11891 * rtl.h: Remove the prototype for gcse_after_reload_main.
11893 * reg-stack.c (reg_to_stack): Make it static.
11894 * rtl.h: Remove the prototype for reg_to_stack.
11896 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11898 * rtl.h: Remove the prototypes for regrename_optimize and
11899 copyprop_hardreg_forward.
11901 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11903 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11904 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11905 Test against the appropriate null constant for the mode.
11906 If 'fixup_overlap' is true, swap the operands if they overlap.
11907 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11908 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11909 alpha_split_tmode_pair and adjust for above change.
11910 * config/alpha/alpha.md (movtf_internal): Adjust call to
11911 alpha_split_tfmode_pair and rely on it to swap the operands.
11912 (movti_internal): New insn and post-reload splitter.
11913 (movti): New expander.
11915 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11917 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11920 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11922 * rtlanal.c (global_reg_mentioned_p_1,
11923 global_reg_mentioned_p): Remove.
11924 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11926 * flow.c (initialize_uninitialized_subregs): Make it static.
11927 * rtl.h: Remove the prototype for
11928 initialize_uninitialized_subregs.
11930 * function.c (instantiate_virtual_regs): Make it static.
11931 * function.h: Remove the prototype for
11932 instantiate_virtual_regs.
11934 * regmove.c (regmove_optimize, combine_stack_adjustments):
11936 * rtl.h: Remove the prototypes for regmove_optimize and
11937 combine_stack_adjustments.
11939 2006-01-17 Roger Sayle <roger@eyesopen.com>
11941 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11942 (size_cost): Encode costs in bytes so that a reg-reg addition is
11943 equivalent to COSTS_N_INSNS(1).
11944 (override_options): Use the size_cost.branch_cost as the default
11945 ix86_branch_cost when optimizing for size.
11947 2006-01-18 Ben Elliston <bje@au.ibm.com>
11949 * Makefile.in (D32PBIT_FUNCS): New.
11950 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11951 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11952 D64PBIT_FUNCS and D128PBIT_FUNCS.
11953 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11954 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11956 (decnumber_dep): Define.
11957 * doc/libgcc.texi (Decimal float library routines): New node.
11958 * config/dfp-bit.h, config/dfp-bit.c: New files.
11960 2006-01-18 Ben Elliston <bje@au.ibm.com>
11962 * expr.c (emit_move_change_mode): Always adjust addresses, not
11963 just during reload. Copy replacements only during reload.
11964 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11965 emit_move_via_integer.
11967 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11969 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11970 instead of $(srcdir) and ${srcdir}.
11972 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11975 PR middle-end/11135
11976 * arm.h (struct machine_function): Add pic_reg.
11977 * arm.c (arm_pic_register): Make unsigned.
11978 (arm_override_options): Only set arm_pic_register if
11979 TARGET_SINGLE_PIC_BASE.
11980 (use_return_insn): Only test for a pic register if it is fixed.
11981 (arm_compute_save_reg0_reg12_mask): Likewise.
11982 (thumb_compute_save_reg_mask): Likewise.
11983 (legitimate_pic_operand): Factor out some known invariants.
11984 (legitimize_pic_address): If we don't have a fixed pic register,
11985 then set up a pseudo in the function entry sequence. Handle the
11986 pic base being in a pseudo.
11987 (arm_load_pic_register): Handle the pic register being in a pseudo.
11988 (arm_expand_prologue): Only set up the pic register if it is fixed.
11989 (thumb_expand_prologue): Likewise.
11990 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11991 (pic_load_addr_based_insn): Likewise.
11992 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11995 2006-01-18 Ben Elliston <bje@au.ibm.com>
11997 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11998 decimal float modes for all floating point registers.
12000 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12001 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12003 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12006 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12007 even when the pointer is not NULL.
12009 2006-01-16 Ian Lance Taylor <ian@airs.com>
12011 * common.opt (ftoplevel-reorder): New option.
12012 * cgraph.c (cgraph_asm_nodes): New global variable.
12013 (cgraph_asm_last_node): New static variable.
12014 (cgraph_order): New global variable.
12015 (cgraph_create_node): Set new order field.
12016 (cgraph_varpool_node): Likewise.
12017 (decide_is_variable_needed): Return true if not
12018 flag_toplevel_reorder.
12019 (cgraph_add_asm_node): New function.
12020 * cgraph.h (struct cgraph_node): Add order field.
12021 (struct cgraph_varpool_node): Add order field.
12022 (struct cgraph_asm_node): Define.
12023 (cgraph_asm_nodes, cgraph_order): Declare.
12024 (cgraph_add_asm_node): Declare.
12025 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12027 (cgraph_varpool_assemble_pending_decls): Call it.
12028 (cgraph_output_pending_asms): New static function.
12029 (cgraph_finalize_compilation_unit): Call it.
12030 (struct cgraph_order_sort): Define.
12031 (cgraph_output_in_order): New static function.
12032 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12033 !flag_toplevel_reorder case.
12034 * c-parser.c: Include "cgraph.h".
12035 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12037 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12038 than -fno-unit-at-a-time.
12039 * doc/invoke.texi (Option Summary): Mention
12040 -fno-toplevel-reorder.
12041 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12042 -funit-at-a-time documentation.
12044 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12045 Kazu Hirata <kazu@codesourcery.com>
12047 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12049 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12051 * Makefile.in (FUNCTION_H): New. Use it instead of
12052 function.h throughout the file.
12053 * function.h: Include tree.h.
12055 2006-01-17 Ben Elliston <bje@au.ibm.com>
12057 * recog.c: Separate some functions with whitespace.
12059 2006-01-16 Richard Henderson <rth@redhat.com>
12061 Merge from gomp branch:
12062 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12063 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12064 and rename from struct inline_data. Rename callee* to dst*;
12065 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12066 transform_new_cfg, transform_return_to_modify, and
12067 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12069 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12070 (copy_decl_for_dup): Remove.
12071 * tree-inline.c (struct inline_data): Move to header.
12072 (insert_decl_map): Export.
12073 (remap_decl): Update for member name changes. Use copy_decl hook.
12074 Allow for replacement to be a non-decl. Remove dead code.
12075 (remap_type_1): Check for existing mapping.
12076 (remap_type): Export.
12077 (remap_decls): Update for member name changes.
12078 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12079 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12080 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12081 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12082 (tree_function_versioning, build_duplicate_type): Likewise.
12083 (copy_body_r): Likewise. Export.
12084 (copy_decl_for_dup): Split into ...
12085 (copy_decl_for_dup_finish, copy_decl_to_var,
12086 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12087 (replace_ref_tree, inlining_p): Remove.
12089 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12091 * ifcvt.c (if_convert): Make it static.
12092 * rtl.h: Remove the prototype for if_convert.
12094 * local-alloc.c (local_alloc): Make it static.
12095 * rtl.h: Remove the prototype for local_alloc.
12097 * loop.c (loop_optimize): Make it static.
12098 * cfgloop.h: Remove the prototype for loop_optimize.
12101 2006-01-16 DJ Delorie <dj@redhat.com>
12103 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12106 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12108 * pa.md: Disparage copies between general and floating-point registers
12109 in 32-bit move patterns.
12111 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12114 * Makefile.in (check-%): Depend on site.exp instead of
12115 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12118 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12120 * global.c (global_alloc): Make it static.
12121 * rtl.h: Remove the prototype for global_alloc.
12123 2006-01-16 Richard Guenther <rguenther@suse.de>
12125 * tree-ssa-alias.c (struct used_part): Add write_only field.
12126 (get_or_create_used_part_for): Initialize it to true.
12127 (create_overlap_variables_for): Don't create structure variables
12128 for structures that only are written to.
12129 (find_used_portions): Handle MODIFY_EXPR to track whether a
12130 structure is only written to.
12132 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12134 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12136 * basic-block.h: Remove the prototype for
12137 partition_hot_cold_basic_blocks.
12139 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12141 * cppspec.c (lang_specific_spec_functions): Remove.
12142 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12143 * gcc.h (lang_specific_spec_functions): Remove.
12144 * gccspec.c (lang_specific_spec_functions): Remove.
12146 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12148 * combine.c (record_value_for_reg): Invalidate registers
12150 (record_dead_and_set_regs_1): Likewise, by passing them to
12151 record_value_for_reg.
12152 (record_dead_and_set_regs): Invalidate stores made by a
12153 call. We do not combine across a call, but we still
12154 relied on equivalences.
12156 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12158 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12159 vrp_int_const_binop returning non-constant nodes.
12161 2006-01-16 Paul Brook <paul@codesourcery.com>
12163 * config/m68k/m68k.c (output_move_const_into_data_reg):
12164 Output correct mnemonic for mvz and mvs.
12166 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12168 * rtl-factoring.c: Add sequence abstraction algorithm.
12169 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12170 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12172 (block_has_preserve_label): New function.
12173 * common.opt: Register new pass.
12174 * Makefile.in: Ditto.
12176 * timevar.def: Ditto.
12177 * tree-pass.h: Ditto.
12178 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12179 * rtl.h (make_jump_insn_raw): Add forward decl.
12180 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12182 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12183 Roger Sayle <roger@eyesopen.com>
12185 * fold-const.c (fold_minmax): New static function.
12186 (fold_binary) <MIN_EXPR>: Call it.
12187 <MAX_EXPR>: Likewise.
12188 * stor-layout.c (place_field): Use DECL_SIZE consistently
12189 in the computation of the new record size.
12191 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12193 * cse.c (cse_condition_code_reg): Make it static.
12194 * rtl.h: Remove the prototype for cse_condition_code_reg.
12196 * combine.c (combine_instructions): Make it static.
12197 * rtl.h: Remove the prototype for combine_instructions.
12199 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12202 * tree.c (get_file_function_name_long): Concatenate the first global
12203 object name with a string derived from the input filename of the object
12206 2006-01-16 Ben Elliston <bje@au.ibm.com>
12208 * config/i386/winnt-stubs.c: Update FSF address.
12209 * config/xtensa/ieee754-df.S: Ditto.
12210 * config/xtensa/ieee754-sf.S: Ditto.
12212 2006-01-14 Ian Lance Taylor <ian@airs.com>
12214 * ifcvt.c (noce_init_if_info): New static function, broken out of
12215 noce_process_if_block.
12216 (noce_process_if_block): Call noce_init_if_info.
12217 (check_cond_move_block): New static function.
12218 (cond_move_process_if_block): New static function.
12219 (process_if_block): Call cond_move_process_if_block.
12221 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12223 * cselib.c (hash_table): Rename to cselib_hash_table.
12224 (cselib_clear_table, discard_useless_values,
12225 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12226 cselib_init, cselib_finish): Adjust uses of hash_table.
12228 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12230 PR tree-optimization/25485
12231 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12232 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12233 is known to be false and true, respectively.
12235 2006-01-14 Richard Guenther <rguenther@suse.de>
12237 PR tree-optimization/22548
12238 PR tree-optimization/22555
12239 PR tree-optimization/22501
12240 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12241 * params.def (salias-max-array-elements): New parameter.
12242 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12243 * doc/invoke.texi (salias-max-array-elements): Document.
12244 * tree-flow-inline.h (var_can_have_subvars): We also handle
12246 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12248 * tree-ssa-structalias.c (params.h): Include.
12249 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12250 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12251 (get_constraint_for): For ADDR_EXPR operating on something
12252 containing an ARRAY_REF, add all subvars to the solution.
12253 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12254 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12255 for creating MUST_DEFs.
12256 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12258 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12260 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12262 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12263 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12264 number_of_iterations_le): New functions.
12265 (number_of_iterations_special): Removed.
12266 (number_of_iterations_exit): Do not use number_of_iterations_special.
12267 * tree.c (unsigned_type_for): Always return integer type.
12269 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12270 Richard Guenther <rguenther@suse.de>
12272 PR rtl-optimization/24257
12273 * gcse.c (find_moveable_store): Only consider a store movable
12274 when the SET_SRC of the insn can be assigned to a register.
12276 2006-01-14 Ian Lance Taylor <ian@airs.com>
12278 * tree.c (tree_not_class_check_failed): New function.
12279 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12280 (tree_not_class_check_failed): Declare.
12282 2006-01-13 Ian Lance Taylor <ian@airs.com>
12284 * reload1.c (do_output_reload): Add assertion rejecting a
12287 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12289 * combine.c (struct reg_stat): Add new fields truncation_label and
12291 (record_value_for_reg): Reset truncated_to_mode.
12292 (record_truncated_value): New function.
12293 (check_promoted_subreg): Call it. Rename to check_conversions.
12294 (combine_instructions): Rename check_promoted_subreg to
12296 (reg_truncated_to_mode): New function.
12297 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12298 (gen_lowpart_or_truncate): New function.
12299 (force_to_mode): Use it instead of gen_lowpart.
12301 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12303 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12304 VAR is a tag, not its type tag.
12306 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12308 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12309 alternatives to match style of other entries.
12310 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12312 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12314 PR tree-optimization/25771
12315 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12318 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12321 * tree-inline.c (declare_return_variable): If the return variable
12322 was marked as a non gimple complex, set the return slot variable
12323 to be a non gimple comple variable.
12325 2006-01-13 Richard Guenther <rguenther@suse.de>
12327 * builtins.c (expand_builtin_sincos): New function.
12328 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12330 (expand_builtin): Expand sincos using expand_builtin_sincos.
12332 2006-01-12 DJ Delorie <dj@redhat.com>
12334 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12335 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12336 so that constant shifts can be split.
12337 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12338 (m32c_valid_pointer_mode): Make static.
12339 (shift_gen_func_for): New.
12340 (m32c_prepare_shift): Use it. Split large const shifts into
12342 * config/m32c/predicates.md (shiftcount_operand): Allow more
12344 (longshiftcount_operand): New.
12345 * doc/md.texi (Machine Constraints): Document In6.
12347 2006-01-13 Ben Elliston <bje@au.ibm.com>
12349 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12350 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12353 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12355 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12356 to try to avoid clobbering pieces of structures when we know
12357 something about the whole structure.
12358 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12360 2006-01-13 Ben Elliston <bje@au.ibm.com>
12362 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12363 return in memory, as this is no limitation is no longer present.
12365 2006-01-12 DJ Delorie <dj@redhat.com>
12367 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12368 mova with fb, and for fb+0 -> An.
12370 * config/m32c/mov.md (peephole2): Fix enabling logic.
12372 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12373 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12374 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12375 FINI_ARRAY_SECTION_ASM_OP): Define.
12377 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12379 (m32c_legitimize_reload_address): New logic to reload FB to An.
12380 (m32c_output_reg_push): Add newline.
12381 (m32c_output_reg_pop): Likewise.
12383 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12385 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12387 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12389 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12391 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12393 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12396 2006-01-11 Ben Elliston <bje@au.ibm.com>
12398 * rtlanal.c (find_reg_note): Assert insn is not null.
12400 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12402 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12405 2006-01-11 Jeff Law <law@redhat.com>
12407 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12409 (mark_threaded_blocks, register_jump_thread): New functions.
12410 (thread_through_all_blocks): Remove unwanted argument. No
12411 longer rely on e->aux to communicate thread target info.
12412 Call mark_threaded_blocks. Release the threaded_blocks
12413 bitmap and threaded_edges vector when complete.
12414 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12415 (threaded_blocks): Remove.
12416 (tree_ssa_dominator_optimize): Remove initialization and
12417 finalization of threaded_blocks. Simplify call to
12418 thread_through_all_blocks.
12419 (thread_across_edge): Call register_jump_thread rather than
12420 storing thread information into e->aux.
12421 (free_all_edge_infos): Simplify now that e->aux is no longer
12422 used to communicate with thread_through_all_blocks.
12423 * tree-flow.h (thread_through_all_blocks): Update prototype.
12424 (register_jump_thread): Prototype.
12426 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12428 * df-core.c (df_compact_blocks, df_bb_replace): Use
12429 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12431 2006-01-11 Richard Guenther <rguenther@suse.de>
12433 PR tree-optimization/25734
12434 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12435 stop propagation after successful propagation to the LHS.
12437 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12439 * basic-block.h (control_flow_graph): Change the type of
12440 x_basic_block_info to VEC(basic_block,gc) *.
12441 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12443 (SET_BASIC_BLOCK): New.
12444 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12445 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12446 * cfgbuild.c (find_basic_blocks): Likewise.
12447 * cfglayout.c (fixup_reorder_chain): Likewise.
12448 * cfgrtl.c (create_basic_block_structure,
12449 rtl_create_basic_block): Likewise.
12450 * ifcvt.c (find_if_case_1): Likewise.
12451 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12454 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12456 * Makefile.in: Removed rotted odf.c entry.
12458 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12461 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12462 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12463 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12464 output pattern modifier, not %e.
12465 * config/cris/cris.c (cris_op_str): Update comment about pattern
12467 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12468 before falling through into...
12469 <case 'E'>: Redefined from old 'e' case.
12471 2006-01-11 Jan Hubicka <jh@suse.cz>
12474 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12476 2006-01-11 Jan Hubicka <jh@suse.cz>
12478 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12479 * i386.c (x86_decompose_lea): Kill.
12480 (ix86_rtx_costs): Kill.
12482 2006-01-11 Jan Hubicka <jh@suse.cz>
12484 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12485 * cgraph.h (cgraph_node): Add inline_decl.
12486 (cgraph_insert_node_to_hashtable): Declare.
12487 (save_inline_function_body): Declare.
12488 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12490 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12491 (cgraph_function_versioning): Update call of tree_function_versioning.
12492 (save_inline_function_body): New function.
12493 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12494 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12495 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12496 (cgraph_default_inline_p): Likewise.
12497 (cgraph_decide_inlining_incrementally): Likewise.
12498 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12499 (copy_bb): Kill saving; do updating of clones.
12500 (copy_cfg_body): Kill saving.
12501 (initialize_inlined-parameters): Likewise.
12502 (expand_call_inline): Likewise.
12504 (tree_function_versioning): New parameter "update_clones".
12505 (inlining_p): Kill saving.
12506 * tree-inline.h (tree_function_versioning): Update prototype.
12507 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12510 2006-01-11 Ian Lance Taylor <ian@airs.com>
12512 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12513 Allow undoing set of machine mode.
12514 (do_SUBST): Use enums instead of is_int.
12515 (do_SUBST_MODE): New function.
12516 (SUBST_MODE): New macro.
12517 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12518 reg and trying to replace reg_regno_rtx with a new register.
12519 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12520 (simplify_set): Use SUBST_MODE.
12521 (distribute_notes): Remove code that tried to update reg notes
12522 for regno_reg_rtx changes.
12524 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12526 PR tree-optimization/23109
12527 PR tree-optimization/23948
12528 PR tree-optimization/24123
12530 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12531 * tree-cfg.c (single_noncomplex_succ): New.
12532 * tree-flow.h (single_noncomplex_succ): Declare it.
12533 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12534 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12535 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12536 insert_bb, register_division_in, insert_reciprocals,
12537 replace_reciprocal, free_bb): New.
12538 (execute_cse_reciprocals_1): Rewritten.
12539 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12540 Do not commit any edge insertion. Always compute dominators and
12541 create the allocation pool.
12542 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12543 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12544 * targhooks.c (default_min_divistions_for_recip_mul): New.
12545 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12546 * passes.c (init_optimization_passes): Run recip after tree loop
12548 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12550 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12551 Kenneth Zadeck <zadeck@naturalbridge.com>
12553 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12554 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12555 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12556 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12557 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12558 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12559 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12560 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12561 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12562 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12563 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12564 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12565 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12566 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12567 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12568 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12569 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12570 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12571 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12572 DF_SCAN_POST_ALLOC): New macros.
12573 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12574 df_free_bb_function, df_local_compute_function, df_init_function,
12575 df_dataflow_function, df_confluence_function_0,
12576 df_confluence_function_n, df_transfer_function,
12577 df_finalizer_function, df_free_function, df_dump_problem_function,
12578 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12579 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12580 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12581 df_urec_bb_info, ) New types.
12582 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12584 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12585 df_analyze_simple_change_some_blocks,
12586 df_analyze_simple_change_one_block, df_compact_blocks,
12587 df_bb_replace, df_bb_regno_last_use_find,
12588 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12589 df_insn_regno_def_p, df_find_def, df_find_use,
12590 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12591 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12592 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12593 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12594 debug_df_chain, df_get_dependent_problem, df_chain_create,
12595 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12596 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12597 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12598 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12599 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12600 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12601 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12602 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12603 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12604 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12605 df_reorganize_refs, df_set_state, df_hard_reg_init,
12606 df_read_modify_subreg_p) New public functions.
12607 * df-core.c: The core dataflow solver and glue routines for rtl
12609 (df_init, df_add_problem, df_set_blocks, df_finish,
12610 df_hybrid_search_forward, df_hybrid_search_backward,
12611 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12612 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12613 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12614 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12615 df_reg_defined, df_find_use, df_reg_used, df_dump,
12616 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12617 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12618 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12619 debug_df_useno, reset_df_after_reload): New functions.
12620 * df-scan.c: The scanning fuctions, once in df.c, completely
12621 rewritten so that they now fully model the functionality of
12622 register usage at the backend.
12623 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12624 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12625 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12626 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12627 df_get_artificial_defs, df_get_artificial_uses,
12628 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12629 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12630 df_refs_delete, df_reorganize_refs, df_set_state,
12631 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12632 df_def_record_1, df_defs_record, df_uses_record,
12633 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12634 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12635 df_record_exit_block_uses, df_hard_reg_init): New functions.
12637 * df-problems.c: Seven concrete dataflow problems that use the
12638 scanning in df-scan.c and are solved by the engine in df-core.c.
12639 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12640 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12641 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12642 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12643 df_ru_free_bb_info, df_ru_alloc,
12644 df_ru_bb_local_compute_process_def,
12645 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12646 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12647 df_ru_transfer_function, df_ru_free, df_ru_dump,
12648 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12649 df_rd_free_bb_info, df_rd_alloc,
12650 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12651 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12652 df_rd_transfer_function, df_rd_free, df_rd_dump,
12653 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12654 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12655 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12656 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12657 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12658 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12659 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12660 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12661 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12662 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12663 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12664 df_urec_mark_reg_use_for_earlyclobber,
12665 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12666 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12667 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12668 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12669 df_chain_create_bb_process_use, df_chain_create_bb,
12670 df_chain_finalize, df_chain_free, df_chains_dump,
12671 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12672 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12673 df_reg_lifetime): New functions.
12674 * df.c: Deleted file.
12675 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12676 consistent with new df api.
12677 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12678 rest_of_handle_sms): Ditto.
12679 * web.c (unionfind_union, union_defs, entry_register, web_main):
12681 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12682 invariant_expr_equal_p, find_defs, check_dependencies,
12683 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12684 free_inv_motion_data, move_loop_invariants): Ditto.
12685 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12686 Update dependencies.
12687 (odf.c): Added defective entry that was deleted later in day.
12688 * sched-deps.c (sched_analyze_1): Ditto.
12690 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12692 * tree-ssa-operands.c (get_expr_operands): Record addressable
12693 variables directly. Do not call add_stmt_operands for CONST_DECLs
12695 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12696 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12698 2006-01-11 Ben Elliston <bje@au.ibm.com>
12700 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12701 function returns true in the positive case.
12703 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12706 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12707 for SI, DI, SF and DF modes. Add alternatives to copy between
12708 general and floating point registers to the 32-bit patterns.
12709 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12710 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12711 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12712 generating 64-bit code.
12713 * config/pa/pa.c (output_move_double): Handle copies between general
12714 and floating registers.
12716 2006-01-10 Stuart Hastings <stuart@apple.com>
12718 * config/i386/i386.md (set_got): Update.
12719 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12720 (builtin_setjmp_receiver): Mach-O support.
12721 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12722 (GOT_SYMBOL_NAME): Define.
12723 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12724 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12725 * config/i386/i386.c (override_options): Revise for Darwin.
12726 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12727 support. (darwin_x86_file_end): New. (output_set_got): Add label
12728 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12729 * config/i386/i386-protos.h (output_set_got): Likewise.
12730 * config/darwin.c (machopic_legitimize_pic_address): Update
12733 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12735 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12736 when MODE isn't BLKmode.
12738 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12740 PR rtl-optimization/25367
12741 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12743 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12746 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12747 for a negative bound.
12749 2006-01-10 Richard Guenther <rguenther@suse.de>
12751 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12752 Never override with anything constraint.
12754 2006-01-10 Jan Beulich <jbeulich@novell.com>
12756 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12757 256 bits when optimize_size.
12759 2006-01-10 Jan Beulich <jbeulich@novell.com>
12761 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12763 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12764 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12767 2006-01-10 Ben Elliston <bje@au.ibm.com>
12769 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12771 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12772 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12773 (USE_FP_FOR_ARG): Reject decimal float modes.
12774 (function_arg_advance): Likewise.
12775 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12776 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12777 point types in AltiVec vectors.
12778 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12779 (rs6000_libcall_value): Likewise.
12781 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12783 * config/xtensa/ieee754-df.S: New file.
12784 * config/xtensa/ieee754-sf.S: New file.
12785 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12786 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12787 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12789 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12791 * config/sh/predicates.md (binary_float_operator,
12792 binary_logical_operator, commutative_float_operator,
12793 equality_comparison_operator, greater_comparison_operator,
12794 less_comparison_operator, logical_operator,
12795 noncommutative_float_operator, shift_operator,
12796 symbol_ref_operand, unary_float_operator): Remove redundant
12799 2006-01-09 Jeff Law <law@redhat.com>
12801 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12802 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12803 now unused arguments. Callers updated.
12804 (eliminate_redundant_computations): Remove now unused arguments,
12806 (local_fold): Remove, no longer used.
12807 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12809 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12810 (simplify_cond): New function.
12811 (forward_propagate_into_cond): Call simplify_cond.
12813 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12815 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12816 (*vec_extractv2di_1_sse): New.
12818 2006-01-09 Ben Elliston <bje@au.ibm.com>
12820 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12822 2006-01-08 Richard Guenther <rguenther@suse.de>
12824 * tree-ssa-structalias.c (get_constraint_for): Remove
12825 anyoffset argument.
12826 (get_constraint_for_component_ref): Likewise.
12827 (do_deref): Likewise.
12828 (get_constraint_for): Likewise.
12829 (do_structure_copy): Likewise.
12830 (handle_ptr_arith): Likewise.
12831 (find_func_aliases): Likewise. Remove unused need_anyoffset
12834 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12835 Kaz Kojima <kkojima@gcc.gnu.org>
12837 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12838 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12839 (EXTRA_CONSTRAINT_C16): Remove.
12840 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12841 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12842 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12843 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12844 constants of SHmedia. Handle nested constant expressions of
12846 (andcosts): Fix the costs for SHmedia constants.
12847 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12848 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12849 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12850 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12851 (movv4hi_i, movv2si_i): Likewise.
12852 (movsi_const): Adjust the second operand of ior so to match with
12853 the Csu constraint.
12854 (movdi_const, movdi_const_32bit): Likewise.
12855 (movdi_const_16bit+1): Don't sign-extend LOW.
12856 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12858 (*double_shori): Fix the split condition. Use GEN_INT instead
12859 of get_int_mode calls. Mask lower 16-bit of the argument of
12861 (sym2GOTPLT): Remove.
12862 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12864 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12865 instead of EXTRA_CONSTRAINT_C16.
12867 2006-01-07 Ian Lance Taylor <ian@airs.com>
12868 David Edelsohn <edelsohn@gnu.org>
12870 PR rtl-optimization/25662
12871 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12872 for constant operands instead of simplify_gen_binary.
12873 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12874 after trying simplify_binary_operation
12876 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12878 * tree.c (iterative_hash_expr): Hash decls based on UID.
12880 2006-01-06 Eric Christopher <echristo@apple.com>
12882 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12883 (TARGET_UNWIND_EMIT): Fix spelling.
12884 * target.h (gcc_target): Add except_table_label.
12885 * except.c (output_function_exception_table): Use.
12886 * varasm.c (default_emit_except_table_label): New.
12887 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12889 (asm_out): Add here.
12890 * output.h (default_emit_except_table_label): Prototype.
12891 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12892 * config/darwin.c (darwin_emit_except_table_label): Define.
12893 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12895 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12897 PR tree-optimization/18527
12898 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12899 number_of_iterations_special, number_of_iterations_exit):
12900 Move base and step of an iv to a single structure. Add
12901 no_overflow flag, and use it in # of iterations analysis.
12902 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12903 folded_casts argument.
12904 (simple_iv): Pass base and step in a structure. Set no_overflow
12906 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12907 Evaluate expensiveness of computing # of iterations instead of
12908 the final expression.
12909 * tree-scalar-evolution.h (affine_iv): New structure.
12910 (simple_iv): Declaration changed.
12911 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12912 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12913 find_givs_in_stmt): Changed due to simple_iv change.
12915 2006-01-06 Jeff Law <law@redhat.com>
12918 * tree-cfg.c (bsi_replace): Rename final argument from
12919 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12920 change (stmt -> orig_stmt).
12921 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12922 (bsi_remove): Add new argument. Remove EH information
12924 (verify_eh_throw_table_statements): New function.
12925 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12927 * tree-optimize.c (execute_free_cfg_annotations): Verify
12928 the EH throw statement table after removing annotations.
12929 * except.h (verify_eh_throw_table_statements): Prototype.
12930 * tree-flow.h (bsi_remove): Update prototype.
12931 * tree-vrp.c (remove_range_assertions): Add new argument to
12933 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12934 * tree-complex.c (expand_complex_div_wide): Likewise.
12935 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12936 * tree-tailcall.c (eliminate_tailcall): Likewise.
12937 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12938 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12939 * tree-nrv.c (tree_nrv): Likewise.
12940 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12941 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12942 (combine_blocks): Likewise.
12943 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12944 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12945 (cleanup_control_flow): Likewise.
12946 (remove_forwarder_block): Likewise.
12947 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12948 * tree-sra.c (sra_replace): Likewise.
12949 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12950 (forward_propagate_single_use_vars): Likewise.
12951 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12952 * tree-inline.c (expand_call_inline): Likewise.
12953 * tree-vect-transform.c (vect_transform_loop): Likewise.
12954 * tree-outof-ssa.c (rewrite_trees): Likewise.
12955 * tree-cfg.c (make_goto_expr_edges): Likewise.
12956 (cleanup_dead_labels): Likewise.
12957 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12958 (bsi_move_before, bsi_move_after): Likewise.
12959 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12960 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12962 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12965 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12967 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12968 on non gimple variables. Also add checks at the top for decls and
12970 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12972 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12973 and IMAGPART_EXPR for creating MUST_DEFs.
12974 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12975 and NAME_MEMORY_TAG separately from the DECLs.
12977 2006-01-06 Richard Guenther <rguenther@suse.de>
12979 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12980 annotation, if necessary.
12981 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12982 redundant calls to update_stmt.
12983 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12986 2006-01-05 Richard Henderson <rth@redhat.com>
12988 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12990 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12992 * c-typeck.c: Update copyright date.
12994 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12996 * c-typeck.c (build_c_cast): Always warn when casting
12997 from a pointer to an integer of different size, even if
12998 the node was constant.
13000 2006-01-05 Richard Guenther <rguenther@suse.de>
13002 PR tree-optimization/22555
13003 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13004 if one structure field is an array.
13005 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13006 operands even if we found a subvar, but ignore VOPs in this
13008 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13010 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13012 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13014 PR middle-end/24998
13015 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13017 2006-01-05 Richard Guenther <rguenther@suse.de>
13018 Diego Novillo <dnovillo@redhat.com>
13020 * tree-pass.h (TODO_remove_unused_locals): Define.
13021 * gimple-low.c (expand_var_p, remove_useless_vars,
13022 pass_remove_useless_vars): Remove. Update all users.
13023 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13024 (remove_unused_locals): New function.
13025 * tree-flow.h (remove_unused_locals): Declare.
13026 * passes.c (execute_todo): Call remove_unused_locals if
13027 TODO_remove_unused_locals is set.
13028 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13029 * tree-ssa-dce.c (pass_dce): Likewise.
13030 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13032 2006-01-05 Richard Guenther <rguenther@suse.de>
13034 * tree-flow.h (struct fieldoff): Decompose field to
13035 type, size and decl.
13036 * tree-ssa-alias.c (create_sft): Take type as parameter.
13037 (create_overlap_variables_for): Store type, size and decl
13038 in the fieldoff structure.
13039 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13040 of struct fieldoff.
13041 (push_fields_onto_fieldstack): Likewise.
13042 (create_variable_info_for): Likewise. Use offset for the
13043 SFT name if the decl is not available.
13045 2006-01-04 Paul Brook <paul@codesourcery.com>
13047 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13049 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13051 * lambda-code.c (can_put_in_inner_loop): Relax
13053 (can_put_after_inner_loop): New function.
13054 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13055 (perfect_nestify): Change to make copies and modify uses.
13057 2006-01-04 Richard Henderson <rth@redhat.com>
13059 Merge from gomp branch:
13060 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13061 via integer constant.
13062 (pragma_lex): Remove.
13063 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13064 rather than parsing it.
13065 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13066 handle_pragma_extern_prefix): Add %< %> quotes.
13067 (registered_pragmas): New.
13068 (c_register_pragma_1): New.
13069 (c_register_pragma): Use it.
13070 (c_register_pragma_with_expansion): Likewise.
13071 (c_invoke_pragma_handler): New.
13072 (init_pragma): Use cpp_register_deferred_pragma directly for
13074 * c-pragma.h (enum pragma_kind): New.
13075 (pragma_handler): New.
13076 (c_invoke_pragma_handler): Declare.
13077 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13079 * c-common.h (c_common_pch_pragma): Update decl.
13080 * Makefile.in (c-parser.o): Update dependencies.
13081 (GTFILES): Add c-pragma.h.
13082 * c-parser.c (struct c_token): Add pragma_kind.
13083 (struct c_parser): Add in_pragma.
13084 (c_lex_one_token): Always initialize keyword and pragma_kind.
13085 Extract data for CPP_PRAGMA.
13086 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13087 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13088 Don't allow CPP_PRAGMA_EOL if in_pragma.
13089 (c_parser_consume_pragma): New.
13090 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13091 (c_parser_skip_to_end_of_parameter): Likewise.
13092 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13093 (c_parser_skip_to_pragma_eol): New.
13094 (c_parser_external_declaration): Handle CPP_PRAGMA.
13095 (c_parser_compound_statement_nostart): Likewise.
13096 (c_parser_statement_after_labels): Likewise.
13097 (c_parser_pragma): New.
13098 (pragma_lex): Likewise.
13099 (c_parser_pragma_pch_preprocess): New.
13100 (c_parser_new): Merge into ...
13101 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13103 2006-01-04 Jeff Law <law@redhat.com>
13106 * tree-cfg.c (bsi_replace): Remove the original statement
13107 from the EH throw statement table.
13109 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13111 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13112 make the prototype extern "C" and add throw ().
13115 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13116 and pos non-negative and pos + len <= 32.
13117 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13118 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13119 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13122 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13123 as well as sizes not multiple of component size.
13126 * function.c (instantiate_expr): New function.
13127 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13128 walk its DECL_VALUE_EXPR with instantiate_expr.
13130 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13131 DW_OP_deref{,_size} if address isn't going to be added.
13133 2006-01-04 Ben Elliston <bje@au.ibm.com>
13135 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13136 * config/fp-bit.c: Likewise.
13138 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13140 * dominance.c: Add comment about why we use DFS numbering
13143 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13144 Richard Henderson <rth@redhat.com>
13146 Merge from gomp-branch:
13147 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13148 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13150 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13152 PR rtl-optimization/25578
13153 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13154 pass a parameter to simplify_shift_const if changing ASHIFTRT
13157 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13159 * builtins.c (get_builtin_sync_mem): New function.
13160 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13161 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13162 Call get_builtin_sync_mem to generate mem rtx.
13164 2006-01-03 Richard Guenther <rguenther@suse.de>
13167 * stmt.c (add_case_node): Make sure to clear overflow flags
13170 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13172 Merge from gomp-branch.
13173 * config/sparc/sync.md: New file.
13174 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13175 UNSPECV_LDSTUB): New constants.
13176 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13177 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13178 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13181 2006-01-03 Roger Sayle <roger@eyesopen.com>
13183 * combine.c (reg_subword_p): New predicate to test whether the
13184 destination of a set refers to a subword/piece of a register.
13185 (try_combine): Generalize the code to merge the setting of a
13186 pseudo to a constant followed by a set of a subword of that
13187 register to a constant.
13189 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13191 * basic-block.h (control_flow_graph): Change the type of
13192 x_label_to_block_map to VEC(basic_block,gc) *.
13193 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13194 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13196 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13197 VEC(basic_block,heap) *.
13198 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13199 ssa_prop_fini): Adjust the uses of cfg_blocks.
13201 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13203 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13205 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13206 hashing trees instead of a pointer hash.
13207 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13208 compare for MEM_EXPR.
13210 PR rtl-optimization/25130
13211 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13212 when comparing MEMs for GCSE
13214 2006-01-03 Ben Elliston <bje@au.ibm.com>
13216 * targhooks.h (default_decimal_float_supported_p): Declare.
13217 * targhooks.c (default_decimal_float_supported_p): Define.
13218 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13219 `default_decimal_float_supported_p'.
13220 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13222 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13224 * combine.c (apply_distributive_law <SUBREG>): Check
13225 TRULY_NOOP_TRUNCATION.
13227 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13229 * dwarf2out.c (have_switched_text_section): Delete.
13230 (have_multiple_function_sections): New.
13231 (have_location_lists): Make 'bool'.
13232 (add_AT_loc_list): Use 'true' not '1'.
13233 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13234 (output_loc_list): Use have_multiple_function_sections.
13235 (output_ranges): Likewise.
13236 (dwarf2out_begin_function): Set have_multiple_function_sections if
13238 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13239 Check function_section rather than DECL_SECTION_NAME.
13240 (dwarf2out_finish): Use have_multiple_function_sections.
13241 Don't clear have_location_lists.
13243 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13244 Jan Hubicka <jh@suse.cz>
13246 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13247 case of conditional jump jumping to the next instruction.
13248 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13249 cases of conditional jump jumping to the next instruction.
13251 2006-01-02 Jan Hubicka <jh@suse.cz>
13253 * i386.c (*_cost): Add COSTS_N_INSNS.
13254 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13256 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13259 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13261 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13263 * config/arm/arm.c (all_fpus): Fix comment typo.
13264 * config/darwin.c: Likewise.
13265 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13266 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13267 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13269 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13271 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13272 (rs6000_split_compare_and_swapqhi): New.
13273 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13274 (sync_compare_and_swapqhi_internal): New.
13275 * config/rs6000/rs6000-protos.h: Declare.