1 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9 * c-common.c (handle_weakref_attribute): Ignore attribute in
10 the same conditions the alias attribute is ignored.
12 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
14 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
15 (dbxout_begin_prologue): Increment scope_labelno.
17 2006-07-17 Richard Henderson <rth@redhat.com>
20 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
23 2006-07-17 Roger Sayle <roger@eyesopen.com>
24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
27 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
28 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
29 functions such as sbrk, write, etc.. Add function prototypes.
30 Convert function declarations from K&R to ISO C. Cast pointers
31 to "long" and "unsigned long" instead of "int" and "unsigned int".
32 Convert tokens following #endif into comments.
34 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
36 * invoke.texi: Remove mention of f77; Reformat table for
37 inline parameter options correctly; mention that -malign-double
38 is default on x86-64 targets.
40 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
42 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
43 (convert_affine_scev, chrec_convert_aggressive): Use
44 avoid_arithmetics_in_type_p. Do not check for the subtypes
47 2006-07-17 Richard Sandiford <richard@codesourcery.com>
50 * optabs.c (expand_doubleword_shift): Wrap the call to
51 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
53 2006-07-17 Richard Sandiford <richard@codesourcery.com>
56 * optabs.c (expand_binop): Pass next_methods rather than methods
57 to expand_doubleword_shift.
59 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
62 * tree.h (dump_addr): Declare.
63 * print-tree.c (dump_addr): New function.
64 (print_node_brief, print_node): Use it.
65 * print-rtl.c (print_rtx): Likewise.
66 * common.opt (-fdump-noaddr): New option.
67 * doc/invoke.texi (-fdump-noaddr): Document.
68 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
69 (ve_info_hash): Likewise.
71 2006-07-13 Andrew Haley <aph@redhat.com>
73 PR tree-optimization/19505
74 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
75 edge leaving this block, make sure that the destination of this
76 block has only one predecessor.
78 2006-07-17 Richard Guenther <rguenther@suse.de>
80 PR tree-optimization/28238
81 * tree-inline.c (copy_bb): Check if we produced valid
82 gimple copying and substituting a stmt. If not, gimplify
85 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
87 * optabs.c (maybe_encapsulate_block): New function extracted from...
88 (emit_libcall_block): ...here. Invoke it on the block of insns to
89 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
90 (emit_no_conflict_block): Likewise.
92 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
94 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
96 2006-07-15 Roger Sayle <roger@eyesopen.com>
98 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
99 a new NOP_EXPR case of the switch statement.
101 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
104 * stor-layout.c (place_field): Take the bit field with
105 an excessive size into account in the ms-bitfiled case.
108 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
109 the previous bit field.
111 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
114 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
116 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
118 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
119 signal frames correctly even when the signal was installed with
122 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
124 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
125 (dbxout_function_end): Use local label LFBB. Remove hook
127 (dbxout_source_line): Use local label LFBB.
128 (dbxout_block): Likewise.
129 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
130 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
131 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
134 2006-07-13 Janis Johnson <janis187@us.ibm.com>
136 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
138 2006-07-13 Jan Hubicka <jh@suse.cz>
140 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
142 * output.h (align_variable): Declare.
143 * varasm.c (align_variable): Export.
144 * value-prof.c (tree_value_profile_transformations): Recompute iterator
145 when basic block changed.
147 2006-07-13 Nick Clifton <nickc@redhat.com>
149 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
150 walking the LOG_LINKS chain.
152 2006-07-12 Geoffrey Keating <geoffk@apple.com>
154 * doc/invoke.texi (C++ Dialect Options): Explain difference
155 between -fvisibility-inlines-hidden and setting hidden
156 visibility explicitly.
158 2006-07-12 Eric Christopher <echristo@apple.com>
160 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
161 (stmp-lipo): Depend on libgcc.a.
163 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
165 * tree.c: Fix a comment typo.
167 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
169 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
171 (umulhisi3_r): Likewise.
173 2006-07-12 Paolo Carlini <pcarlini@suse.de>
176 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
177 x < 19, vs wchar_t support.
179 2006-07-12 Nick Clifton <nickc@redhat.com>
181 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
184 2006-07-12 Mike Stump <mrs@apple.com>
186 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
188 2006-07-10 Eric Christopher <echristo@apple.com>
190 * config/t-slibgcc-darwin: Rewrite.
192 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
195 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
198 2006-07-08 Matthias Klose <doko@debian.org>
200 * doc/sourcebuild.texi: Fix typo.
202 2006-07-07 Mike Stump <mrs@apple.com>
204 * toplev.c (process_options): Don't give -ffunction-sections may
205 affect debugging warning for Mach-O.
207 2006-07-07 James E Wilson <wilson@specifix.com>
209 * config/mips/mips.md (cpu): Add sb1a.
210 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
211 addition to sb1. Adjust comments to clarify SB-1A differences from
213 (ir_sb1a_load): New. Modify bypasses to use it.
214 (ir_sb1a_simple_alu): Likewise.
215 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
216 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
217 (mips_issue_rate): Add PROCESSOR_SB1A.
218 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
219 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
220 (TARGET_SB1): Add PROCESSOR_SB1A check.
221 (TUNE_SB1): Likewise.
223 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
224 * config/mips/mips.c (mips_store_data_bypass_p): New.
225 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
228 2006-07-08 Paul Brook <paul@codesourcery.com>
231 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
233 2006-07-07 Richard Guenther <rguenther@suse.de>
236 * tree.h (build_one_cst): Declare.
237 * tree.c (build_one_cst): New function.
238 * tree-ssa-math-opts.c (get_constant_one): Remove.
239 (insert_reciprocals): Use build_one_cst.
240 * fold-const.c (fold_plusminus_mult): Likewise.
242 2006-07-07 Roger Sayle <roger@eyesopen.com>
244 * pointer-set.c (pointer_set_destroy): Correct whitespace.
245 * cfgloopanal.c (dump_graph): Likewise.
246 * dojump.c (discard_pending_stack_adjust): Likewise.
247 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
249 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
250 * function.c (finalize_block_changes): Likewise.
251 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
252 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
253 * rtl.c (dump_rtx_statistics): Likewise.
254 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
256 * varray.c (dump_varray_statistics): Likewise.
257 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
258 decode_decimal64, encode_decimal128, decode_decimal128,
259 decimal_real_to_decimal): Likewise.
261 2006-07-07 Richard Guenther <rguenther@suse.de>
263 PR tree-optimization/28187
264 * tree-vrp.c (vrp_operand_equal_p): New function.
265 (vrp_bitmap_equal_p): Likewise.
266 (update_value_range): Use them to compare old and new
269 2006-07-06 Roger Sayle <roger@eyesopen.com>
271 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
272 a default case to switch statement to silence compiler warnings.
274 2006-07-06 Roger Sayle <roger@eyesopen.com>
277 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
278 the configured assembler supports the x87's ffreep mnemonic.
279 * configure: Regenerate.
280 * config.in: Regenerate.
282 * config/i386/i386.c (output_387_ffreep): New function.
283 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
284 (output_387_reg_move): Likewise.
286 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
288 Port to hosts whose 'sort' and 'tail' implementations
289 treat operands with leading '+' as file names, as POSIX
290 has required since 2001. However, make sure the code still
291 works on pre-POSIX hosts.
292 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
293 which says you should use "tail -c +N" rather than "tail +Nc".
294 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
296 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
298 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
301 2006-07-06 David Edelsohn <edelsohn@gnu.org>
304 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
305 PRE_{INC,DEC} of TFmode.
307 2006-07-06 David Edelsohn <edelsohn@gnu.org>
308 Alan Modra <amodra@bigpond.net.au>
311 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
314 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
317 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
318 Remove duplicate gtu.
320 2006-07-05 Jason Merrill <jason@redhat.com>
324 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
325 * c-common.c (handle_packed_attribute): So don't copy it here.
326 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
328 2006-07-05 Mike Stump <mrs@apple.com>
330 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
332 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
335 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
337 2006-07-05 Richard Guenther <rguenther@suse.de>
340 * config/i386/i386.md (*negdf2_1): Restrict pattern to
341 TARGET_SSE2 targets if using SSE math.
342 (*absdf2_1): Likewise.
344 2006-07-05 Richard Guenther <rguenther@suse.de>
346 PR tree-optimization/28162
347 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
348 make sure to convert the operands to the correct type.
350 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
352 PR tree-optimization/28218
354 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
355 to calculate and free the dominator information.
357 2006-07-04 Peter O'Gorman <peter@pogma.com>
359 * mklibgcc.in: chmod 644 before ranlib during install.
361 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
362 J"orn Rennecke <joern.rennecke@st.com>
364 * configure.ac (.eh_frame data check): Use diff -b.
366 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
369 * Makefile.in (BUILD_RTL): Add build/vec.o.
370 (build/gencondmd.o): Filter out -fkeep-inline-functions.
371 (build/genextract): Delete.
372 (build/genautomata): Likewise.
374 2006-07-04 Alan Modra <amodra@bigpond.net.au>
377 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
378 128-bit IBM long doubles for ABI_V4.
380 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
382 * tree.c (range_in_array_bounds_p): New predicate.
383 * tree.h (range_in_array_bounds_p): Declare it.
384 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
385 return a less conservative answer.
386 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
388 (IS_ELEMENT_FOR_GROUP): New macro.
389 (FOR_EACH_ACTUAL_CHILD): Likewise.
390 (next_child_for_group): New helper function.
391 (can_completely_scalarize_p): Take into account groups.
392 (sra_hash_tree): Handle RANGE_EXPR.
393 (sra_elt_eq): Likewise.
394 (lookup_element): Be prepared for handling groups.
395 (is_valid_const_index): Delete.
396 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
397 instead of is_valid_const_index.
398 <ARRAY_RANGE_REF>: New case.
399 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
400 is_valid_const_index.
401 <ARRAY_RANGE_REF>: Do not unconditionally punt.
402 (scan_dump): Dump info for groups too.
403 (decide_instantiation_1): Likewise.
404 (decide_block_copy): Assert that the element is not a group.
405 Propagate decision to groups.
406 (generate_one_element_ref): Handle RANGE_EXPR.
407 (mark_no_warning): Iterate over actual childs.
408 (generate_copy_inout): Likewise.
409 (generate_element_copy): Likewise.
410 (generate_element_zero): Likewise.
411 (generate_element_init_1): Likewise.
412 (dump_sra_elt_name): Handle RANGE_EXPR.
414 2006-07-03 Roger Sayle <roger@eyesopen.com>
416 PR tree-optimization/26251
417 * tree-ssa-threadupdate.c (redirection_block_p): New function.
418 (thread_block): When optimizing for size refuse to thread jumps
419 that would require duplication of blocks other than redirection
422 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
424 * configure.ac: Fix thinko in previous check-in.
425 * configure: Regenerate.
427 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
430 * configure.ac (for lang...): Simplify nesting of conditionals.
431 Test subdir_requires for non-enabled languages. Move processing
432 of lang_opt_files and lang_tree_fiels below that test.
433 * configure: Regenerate.
434 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
436 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
438 * doc/gcov.texi (Invoking Gcov): Add a missing word.
440 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
442 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
445 2006-06-29 Jason Merrill <jason@redhat.com>
452 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
453 * c-common.c (c_determine_visibility): Handle it here.
454 * c-decl.c (finish_decl): Call c_determine_visibility for
456 * flags.h (enum symbol_visibility): Sort from most to least visibility.
458 * varasm.c (default_assemble_visibility): Likewise.
459 * c-common.c (handle_visibility_attribute): Complain about trying
460 to give visibility to an already defined class, or trying to change
461 declared visibility. Always attach the attribute.
466 * attribs.c (decl_attributes): Ignore type-in-place attributes
467 once the type has been defined.
469 2006-06-29 Roger Sayle <roger@eyesopen.com>
472 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
473 to indicate the cpplib has issued an error message for us.
475 2006-06-29 Asher Langton <langton2@llnl.gov>
478 * config/i386/i386.c (ix86_output_function_epilogue): Don't
479 insert a label at the end of an function under Mach-O.
481 2006-06-29 Eric Christopher <echristo@apple.com>
482 Evan Cheng <evan.cheng@apple.com>
484 * predicates.md (vector_all_ones_operand): New.
485 (nonimmediate_or_sse_const_operand): Ditto.
486 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
487 * config/i386/i386.c (standard_sse_constant_opcode): Define.
488 (standard_sse_mode_p): Ditto.
489 (standard_sse_constant_p): Add case for -1 vector.
490 (ix86_expand_vector_move): Try to use.
491 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
492 Call standard_sse_constant_opcode.
493 (*movv4sf_internal): Ditto.
494 (*movv2df_internal): Ditto.
496 2006-06-29 Roger Sayle <roger@eyesopen.com>
498 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
499 of XEXP to extract the operands of a MATCH_CODE rtx.
501 2006-06-28 Andrew Pinski <pinskia@gmail.com>
503 * tree.c (tree_size): Do not waste tail padding in
504 struct tree_string and make the size be the same as
505 build_string will generate.
507 2006-06-28 Jason Merrill <jason@redhat.com>
510 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
511 may_aliases already in the tag's annotations to the bitmap.
513 2006-06-28 Roger Sayle <roger@eyesopen.com>
515 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
517 2006-06-28 Roger Sayle <roger@eyesopen.com>
519 * genpreds.c (generate_switch_p): New function.
520 (add_mode_tests): Push the new mode test down inside an AND expr
521 if this allows the switch-suitable MATCH_CODE to be near the root.
522 (write_match_code_switch): New function to write a MATCH_CODE as
524 (write_predicate_stmts): New function to write a predicate RTX
525 expression as a sequence of statements.
526 (write_one_predicate_function): Use write_predicate_stmts.
527 (write_tm_constrs_h): Likewise.
529 2006-06-26 Fred Fish <fnf@specifix.com>
531 * config/mips/t-sb1: New file.
532 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
535 2006-06-26 DJ Delorie <dj@redhat.com>
537 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
539 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
540 Jayant Sonar <jayants@kpitcummins.com>
541 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
543 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
544 (subsi3, subsi3_1, subsi3_2): New.
545 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
546 * config/m32c/mov.md (SI mov peephole): New.
547 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
548 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
550 2006-06-26 Olivier Hainque <hainque@adacore.com>
552 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
553 a CALL_EXPR target function declaration.
555 2006-06-26 Richard Guenther <rguenther@suse.de>
557 * tree.c (build_string): Do not waste tail padding in
560 2006-06-26 Richard Guenther <rguenther@suse.de>
562 * ggc-page.c (init_ggc): Add missing element to size_lookup
566 2006-06-23 Richard Guenther <rguenther@suse.de>
568 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
569 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
570 alignment requests instead. Add verification code.
571 Add struct tree_function_decl and struct tree_binfo size to
572 extra_order_size_table. Add missing element to size_lookup
575 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
578 * fold-const.c (const_binop): Be prepared for self returning zero.
579 Simplify code handling complex values.
581 2006-06-24 Olivier Hainque <hainque@adacore.com>
583 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
584 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
587 2006-06-24 Olivier Hainque <hainque@adacore.com>
589 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
590 ARRAY_REF, so have the callback called for the low bound expression.
592 2006-06-23 Janis Johnson <janis187@us.ibm.com>
594 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
595 * c-typeck.c (c_common_type): Disallow operations on decimal float
596 types and other float types.
597 * convert.c (convert_to_real): Don't ignore conversions involving
600 2006-06-23 Olivier Hainque <hainque@adacore.com>
602 * tree.c (max_int_size_in_bytes): New function, inspired from
603 code in function.c:assign_temp.
604 * tree.h (max_int_size_in_bytes): Declare.
605 * function.c (assign_temp): Use it.
606 * gimplify.c (create_tmp_var): Relax the assertions on the type
607 properties, not mandating constant size any more.
608 (force_constant_size): New static function.
609 (gimple_add_tmp_var): Use it, forcing variable size to a
610 constant upper bound if it is not constant on entry.
612 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
615 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
616 for initialization and setting of one_only flag to ...
617 (i386_pe_encode_section_info): ...here.
618 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
619 Recheck that the symbol has not been defined.
621 2006-06-23 Richard Guenther <rguenther@suse.de>
623 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
624 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
625 alignment requests instead. Add verification code.
626 Add struct tree_function_decl and struct tree_binfo size to
627 extra_order_size_table. Add missing element to size_lookup
630 2006-06-22 Roger Sayle <roger@eyesopen.com>
631 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
634 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
635 call to lang_hooks.types.type_for_mode returned NULL_TREE.
637 2006-06-23 Ben Elliston <bje@au.ibm.com>
639 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
640 negate dn -- manipulate it directly.
642 2006-06-22 Roger Sayle <roger@eyesopen.com>
643 Steven Bosscher <stevenb.gcc@gmail.com>
646 * reload1.c (gen_reload): Call mark_jump_label on the new insns
647 generated by gen_move_insn to add REG_LABEL notes if necessary.
649 2006-06-22 Bob Wilson <bob.wilson@acm.org>
651 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
652 (leaf_entry): Remove use of MIN_ESA.
654 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
656 PR rtl-optimization/28121
657 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
660 2006-06-21 DJ Delorie <dj@redhat.com>
662 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
664 (mulhisi3_r): Likewise.
666 2006-06-21 Richard Sandiford <richard@codesourcery.com>
669 * coverage.c (coverage_counter_alloc): Leave the index type
671 (coverage_counter_alloc): Use null arguments for operands 2 and 3
674 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
676 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
677 section from the "Options for Code Generation Conventions".
679 2006-06-21 Richard Henderson <rth@redhat.com>
683 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
685 (global_symbolic_operand): Allow weak symbols, even if local_p.
687 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
689 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
690 (find_interesting_uses_address): Punt if above function returns true.
692 2006-06-21 Richard Guenther <rguenther@suse.de>
694 * configure: Regenerated.
696 2006-06-21 Joseph Myers <joseph@codesourcery.com>
698 * config/mips/mips.c (function_arg): Where one part of a
699 complex argument is in registers and the other part in the stack,
700 return a REG not a PARALLEL.
702 2006-06-21 Mark Mitchell <mark@codesourcery.com>
704 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
705 when cross-compiling. Do not substitute libstdcxx_incdir.
706 * configure: Regenerated.
708 2006-06-21 Jakub Jelinek <jakub@redhat.com>
710 * varasm.c (mergeable_string_section): Check for embedded NULs and
711 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
712 rather than TREE_STRING_LENGTH bytes.
714 2006-06-21 Richard Guenther <rguenther@suse.de>
716 * ggc-page.c (extra_order_size_table): Add var_ann_d,
717 tree_ssa_name, bitmap_element and phi_node with 4 arguments
720 2006-06-21 Richrad Guenther <rguenther@suse.de>
722 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
723 Limit iteration over the dominators.
725 2006-06-20 Roger Sayle <roger@eyesopen.com>
727 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
728 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
730 2006-06-20 Richard Guenther <rguenther@suse.de>
731 Michael Matz <matz@suse.de>
733 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
735 * alloc-pool.c (free_alloc_pool_if_empty): New function.
736 * et-forest.h (et_free_pools): Prototype new function.
737 * et-forest.c (et_free_tree_force): Free parent occurrence.
738 (et_free_pools): New function.
739 * dominance.c (free_dominance_info): Free et-forest alloc
742 2006-06-20 Roger Sayle <roger@eyesopen.com>
744 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
745 integer modes, attempt to directly construct an integer constant.
747 * fold-const.c (native_encode_vector): Determine the size of each
748 element from the vector type instead of the first vector element.
750 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
751 if all of its elements/components are constant.
752 (build_constructor_from_list): Likewise.
754 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
756 PR tree-optimization/27331
757 * tree-data-ref.c (free_data_ref): New function.
758 (create_data_ref): Fail if the data reference has unknown access
760 (free_data_refs): Use free_data_ref.
762 2006-06-19 Andrew Pinski <pinskia@gmail.com>
765 * tree-inline.c (setup_one_parameter): Strip useless
766 type conversion before adding it to the IR.
767 (declare_return_variable): Likewise.
769 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
772 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
774 2006-06-19 Mike Stump <mrs@apple.com>
776 * tree.c (variably_modified_type_p): VM arguments don't make the
779 2006-06-19 Richard Guenther <rguenther@suse.de>
781 * tree-ssa-pre.c (try_combine_conversion): Strip useless
782 type conversions after folding.
784 2006-06-19 Richard Guenther <rguenther@suse.de>
786 * ggc-page.c (extra_order_size_tab): Add entries with
787 size of struct function and basic_block.
788 (size_lookup): Extend to cover sizes up to 511.
789 (ggc_alloc_stat): Adjust user.
790 (ggc_pch_count_object): Likewise.
791 (ggc_pch_alloc_object): Likewise.
792 (ggc_pch_write_object): Likewise.
794 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
796 * tree-ssa-loop-niter.c (implies_ge_p): New function.
797 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
800 2006-06-19 Denis Chertykov <denisc@overta.ru>
802 * config/avr/libgcc.S : Correct my wrong previous commit.
804 2006-06-19 Roger Sayle <roger@eyesopen.com>
807 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
808 have stripped a SUBREG from the shift count, so we may need to
809 convert_to_mode back to the type's mode before calling make_tree.
810 Use new_amount instead of amount to avoid expanding a tree twice.
812 2006-06-19 Richard Guenther <rguenther@suse.de>
815 * fold-const.c (operand_equal_p): Check if the argument types
816 have the same precision before stripping NOPs.
818 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
820 Fix PR tree-optimization/27341
821 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
823 * tree-complex.c (pass_lower_complex): Update SMT usage.
825 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
827 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
828 Add a new alternative to the constraint strings. Add move of
829 operand 1 to 3 to the splitter definition.
830 ("doloop_si_long"): Second contraint alternative removed.
832 2006-06-08 Anatoly Sokolov <aesok@post.ru>
834 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
835 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
837 (AVR_HAVE_MOVW) Define.
838 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
839 (ASM_SPEC): Add avr25.
840 (LINK_SPEC): Add avr25.
841 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
842 (base_arch_s): Add new member 'have_movw_lpmx'.
843 (avr_arch_types): Init 'have_movw_lpmx'.
844 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
845 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
846 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
847 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
848 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
850 (avr_file_start): Do not output '.arh' derective.
851 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
852 (__do_copy_data): Use __AVR_HAVE_LPMX__.
853 * config/avr/avr.md (mcu_enhanced): Delete.
854 (mcu_have_movw): Define.
855 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
856 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
857 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
858 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
859 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
860 attiny861 and at86rf401 devices.
862 2006-06-18 Jie Zhang <jie.zhang@analog.com>
864 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
867 2006-06-17 Karl Berry <karl@gnu.org>
869 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
870 doc/gccint.texi, doc/install.texi (@dircategory): Use
871 "Software development" instead of "Programming", following
872 the Free Software Directory.
874 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
876 * config/i386/i386.c (legitimate_tls_address)
877 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
878 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
879 (*tls_dynamic_gnu2_combine_64): Likewise.
881 2006-06-16 Richard Guenther <rguenther@suse.de>
884 * fold-const.c (negate_expr_p): Do not introduce undefined
885 overflow in negating INTEGER_CSTs.
886 (fold_negate_expr): Rename from negate_expr. Revert last
887 change for folding BIT_NOT_EXPR. Change semantics to
888 return NULL_TREE for non-simplified negations. Do not
889 strip type conversions and unify type handling.
890 (negate_expr): New function, wrap around fold_negate_expr
891 but ensure building a tree always. Strip type conversions
892 here, fold to result type.
893 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
895 2006-06-16 Roger Sayle <roger@eyesopen.com>
898 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
899 that (would) return their results in stack registers.
901 2006-06-16 Michael Matz <matz@suse.de>
902 Richard Guenther <rguenther@suse.de>
904 * fold-const.c (fold_truthop): Only return new tree node if
905 we canonicalized something.
907 2006-06-16 Richard Guenther <rguenther@suse.de>
909 * function.h (enum function_frequency): Move declaration
910 out of struct function.
911 (struct function): Move bool fields and the enum to the bitfield
912 section. Reorder elements to avoid padding. Remove unused
913 fields left over from the RTL inliner removal.
914 * function.c (free_after_compilation): Do not zero removed fields.
915 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
916 (ipa-type-escape.o): Likewise.
918 2006-06-16 Richard Guenther <rguenther@suse.de>
920 * cgraph.h (struct cgraph_local_info): Turn bool elements
922 (struct cgraph_node): Likewise.
923 (struct cgraph_varpool_node): Likewise.
925 2006-06-15 Richard Guenther <rguenther@suse.de>
927 * fold-const.c (fold_truth_not_expr): Rename from
928 invert_truthvalue. Give it fold_* semantics to avoid
930 (invert_truthvalue): New function. Wrapper around
932 (optimize_minmax_comparison): Avoid creating garbage.
933 (fold_unary): Use fold_truth_not_expr for folding
935 (fold_ternary): Replace uses of invert_truthvalue with
936 fold_truth_not_expr where applicable.
937 * tree.h (fold_truth_not_expr): Prototype.
939 2006-06-16 Richard Guenther <rguenther@suse.de>
941 PR tree-optimization/27781
942 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
943 * ipa-pure-const.c (target.h): Include.
944 (analyze_function): Do not analyze functions that do not
947 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
950 * tree-dfa.c (referenced_vars_dup_list): Remove.
951 (find_referenced_vars): Remove assert.
952 (referenced_var_check_and_insert): Replace dup list with assert.
953 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
954 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
956 2006-06-15 Richard Guenther <rguenther@suse.de>
958 * tree-ssa-structalias.c (alias_get_name): Avoid creating
959 extra unused identifiers if not dumping.
960 (create_variable_info_for): Likewise.
962 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
964 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
965 (derive_constant_upper_bound): Derive more precise upper bound in
966 common cases. Return type changed to double_int.
967 (record_estimate): Reflect the changed return type of
968 derive_constant_upper_bound.
969 * double-int.c (double_int_zext, double_int_sext): Fix.
971 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
973 * configure.ac (CFLAGS): Get them from the toplevel or from the
974 configure invocation.
975 * configure: Regenerate.
976 * Makefile.in (CFLAGS): Substitute value provided by configure.
978 2006-06-14 Mark Mitchell <mark@codesourcery.com>
981 * c-common.h (c_finish_omp_atomic): Adjust declaration.
982 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
983 rather than calling add_stmt on it.
984 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
986 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
989 * reload1.c (reload): Remove registers returned by update_eliminables
990 from used_spill_regs.
992 2006-06-13 DJ Delorie <dj@redhat.com>
994 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
996 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
998 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
999 html__strip_dir, html__mkdir_p. Enhance install-html target.
1000 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1001 * configure: Regenerate.
1003 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1005 * fold-const.c (fold_cond_expr_with_comparison): Check for
1006 Objective-C++ as language in deciding COND_EXPR transformation.
1008 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1011 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1012 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1013 * config/sh/lib1funcs.h (SL, SL1): Define.
1014 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1015 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1016 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1017 (OBJS_Os_4_200): New variable.
1018 ($(T)libgcc-Os-4-200.a): Use it.
1019 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1020 when dividing 1 and/or by 0.
1022 2006-06-13 Roger Sayle <roger@eyesopen.com>
1024 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1025 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1026 * configure: Regenerate.
1028 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1030 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1031 for real instruction.
1033 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1036 * haifa-sched.c (check_cfg): Handle special case.
1038 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1041 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1042 Add debug_info parameter. Chain the vars to the BLOCK instead
1043 of the BIND_EXPR if debug info are requested for them.
1044 (pop_gimplify_context): Adjust for above change.
1045 (gimple_add_tmp_var): Likewise.
1046 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1048 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1049 (convert_local_reference): Likewise.
1050 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1051 (finalize_nesting_tree_1): Request that debug info be emitted
1052 for debug_var_chain.
1054 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1056 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1057 for PR target/27863.
1059 2006-06-13 Richard Guenther <rguenther@suse.de>
1062 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1064 2006-06-13 Richard Guenther <rguenther@suse.de>
1066 PR tree-optimization/27830
1067 * tree-inline.c (copy_body_r): For copying the operand
1068 of an ADDR_EXPR make sure to fold &* afterwards.
1070 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1072 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1073 lvalues in the fb_none case with side-effects.
1075 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1077 * tree-flow.h: Remove the prototype for
1078 compute_phi_arg_on_exit.
1079 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1080 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1083 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1085 * builtins.c (expand_builtin_return_addr): Only use
1086 frame_pointer_rtx when count == 0 and we are expanding
1087 __builtin_return_address.
1089 2006-06-12 Fred Fish <fnf@specifix.com>
1091 * config/mips/mips.c (mips_file_start): Create special section
1092 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1094 2006-06-11 Eric Christopher <echristo@apple.com>
1097 * stor-layout.c (place_field): Remove check for
1098 remaining_in_alignment when aligning at the end of a run.
1100 2006-06-11 Eric Christopher <echristo@apple.com>
1103 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1106 2006-06-11 Roger Sayle <roger@eyesopen.com>
1109 Revert incorrect fix for PR target/27158
1110 2006-05-08 Roger Sayle <roger@eyesopen.com>
1111 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1112 of a reg_equiv_constant if the result is a legitimate constant.
1114 2006-06-11 Roger Sayle <roger@eyesopen.com>
1117 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1118 extract a CONST_VECTOR element and interpret it as an integer.
1119 (vspltis_constant): Use const_vector_elt_as_int instead of the
1120 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1121 * config/rs6000/predicates.md (easy_vector_const): Consider
1122 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1124 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1127 * stor-layout.c (update_alignment_for_field): Don't add extra
1128 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1131 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1133 * config/mips/t-rtems: Add EL/EB multilib variants.
1135 2006-06-09 Mike Stump <mrs@apple.com>
1137 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1139 2006-06-09 David Daney <ddaney@avtrex.com>
1141 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1143 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1145 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1147 2006-06-09 Richard Guenther <rguenther@suse.de>
1149 PR tree-optimization/26998
1150 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1151 of signed types, only TYPE_MIN_VALUE is special, but for both,
1152 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1153 in this case, as is -fwrapv.
1155 2006-06-08 Mike Stump <mrs@apple.com>
1158 * config/darwin.c (darwin_asm_output_anchor): Disable
1159 -fsection-anchors on darwin for now.
1160 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1161 * rs6000/rs6000.c (optimization_options): Likewise.
1163 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1166 * config/i386/i386.c (classify_argument): Skip fields with invalid
1169 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1171 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1172 (cse_insn): Likewise for the stack_pointer_rtx.
1174 2006-06-08 Roger Sayle <roger@eyesopen.com>
1176 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1177 conditions from floating point comparisons.
1179 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1182 * expmed.c (struct alg_hash_entry): Fix type of field T
1183 to match synth_mult argument.
1184 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1186 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1189 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1192 2006-06-08 Richard Guenther <rguenther@suse.de>
1195 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1196 only, if overflow is defined and not trapping.
1197 (negate_expr): Likewise.
1199 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1201 PR tree-optimization/27872
1202 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1203 flag on the new exit edge of the unrolled loop.
1205 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1207 PR rtl-optimization/26449
1208 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1210 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1213 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1214 referenced_variables with matching DECL_UID's.
1215 (find_referenced_vars): Make sure duplicate list is empty to start.
1216 (referenced_var_p): Remove.
1217 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1218 Check if var is in the list, and add if needed. Update the duplicate
1219 list if a different var is in the list with the same DECL_UID.
1220 (add_referenced_var): Call routine to check and insert.
1221 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1222 * tree-flow.h (referenced_vars_dup_list): External declaration.
1224 2006-06-07 Fred Fish <fnf@specifix.com>
1226 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1229 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1232 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1233 the imaginary and real parts of a clobbered register.
1234 Emit insn to set the imaginary part.
1236 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1238 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1239 in lieu of unwind-dw2-fde.c.
1241 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1243 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1245 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1248 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1249 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1250 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1251 V4SImode temporaries and operations instead.
1253 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1255 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1258 2006-06-06 Mike Stump <mrs@apple.com>
1260 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1261 installing during build.
1263 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1265 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1267 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1268 * config/ia64/ia64.c (params.h): New header.
1269 (ia64_optimization_options): New function to adjust parameters.
1270 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1271 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1272 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1274 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1276 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1278 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1281 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1283 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1284 Victor Kaplansky <victork@il.ibm.com>
1286 PR tree-optimization/26360
1287 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1290 2006-06-04 Roger Sayle <roger@eyesopen.com>
1291 Andrew Pinski <pinskia@physics.uc.edu>
1294 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1295 for LABEL_DECL before calling DECL_WEAK.
1298 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1299 LABEL_DECL and PARM_DECL.
1301 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1305 * c-decl.c (grokdeclarator): Disallow variably modified types at
1306 file scope. Avoid marking shared array type of constant size as
1309 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1312 * c-common.c (fold_offsetof_1): Handle static members.
1314 2006-06-04 Eric Christopher <echristo@apple.com>
1316 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1317 (debug_rli): Output value for remaining_in_alignment.
1318 (update_alignment_for_field): Unconditionalize
1319 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1320 extra alignment code.
1321 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1322 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1323 * tree.h (record_layout_info_s): Remove prev_packed.
1324 * doc/extend.texi (ms_struct): Add documentation of format.
1326 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1328 * tree.h: Declare folding_initializer.
1329 * builtins.c (fold_builtin_constant_p): Give definite answer
1330 if folding inside an initializer.
1331 * fold-const.c: Define folding_initializer.
1332 (START_FOLD_INIT): Save and then set folding_initializer.
1333 (END_FOLD_INIT): Restore folding_initializer.
1335 2006-06-04 Richard Guenther <rguenther@suse.de>
1337 PR tree-optimization/27039
1338 * fold-const.c (fold_comparison): Handle pointer comparison
1339 again for all comparison codes. Compare offsets in signed
1341 (fold_binary): Move code from here.
1343 2006-06-03 Roger Sayle <roger@eyesopen.com>
1346 * config/i386/i386.c (construct_container): Split static issued_error
1347 flag into issued_sse_arg_error, issued_sse_ret_error and
1348 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1349 requires the use of x87 registers and the user explicitly
1350 specified the -mno-80387 command line option.
1352 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1354 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1355 HAVE_DECL_SIGALTSTACK.
1357 (segv_handler): Use MC_FLD.
1358 * configure.ac: Check for a sigaltstack declaration.
1359 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1360 * configure: Regenerate.
1361 * config.in: Regenerate.
1363 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1366 * Makefile.in (stmp-fixinc): Fix typo.
1368 2006-06-02 Roger Sayle <roger@eyesopen.com>
1370 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1371 are type correct. Clean-up.
1372 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1373 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1375 2006-06-01 DJ Delorie <dj@redhat.com>
1377 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1378 shift, as we've disabled the "switch" insn that needs it.
1380 2006-06-01 Per Bothner <bothner@bothner.com>
1382 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1383 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1384 * c-ppoutput.c (cb_define): Don't increment line 0.
1386 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1388 * doc/invoke.texi: Add cpu_type power6.
1389 * config.gcc: Add cpu_type power6.
1390 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1391 to power5+ with Altivec.
1392 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1393 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1395 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1397 * config/avr/avr.h (SET_ASM_OP): Define.
1399 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1401 * config/bfin/bfin.c: Fix comment typos.
1403 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1406 * doc/install.texi: Document --enable-bootstrap and
1407 --disable-bootstrap.
1409 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1411 * doc/install.texi: Document that InfoZIP can replace jar.
1413 2006-05-31 Roger Sayle <roger@eyesopen.com>
1415 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1416 isn't available, directly generate the simpler x87 patterns without
1417 the (use (const_int 0)).
1418 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1419 implementation isn't available.
1420 (*negdf2_1): Likewise.
1421 (*negxf2_1): XF mode negation is always done using the x87.
1422 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1424 2006-05-31 Roger Sayle <roger@eyesopen.com>
1426 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1427 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1429 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1431 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1433 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1434 * config/bfin/bfin.c (basic-block.h): Include.
1435 (struct machine_function): New.
1436 (bfin_init_machine_status): New.
1437 (override_options): Initialize init_machine_status.
1438 (bfin_hardware_loop): New.
1439 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1440 (DEF_VEC_P (loop_info)): New.
1441 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1442 (struct loop_info): New.
1443 (loop_info): New typedef.
1444 (struct loop_work): New.
1445 (loop_work): New typedef.
1446 (DEF_VEC_O (loop_work)): New.
1447 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1448 (bfin_dump_loops): New.
1449 (bfin_bb_in_loop): New.
1450 (bfin_scan_loop): New.
1451 (bfin_optimize_loop): New.
1452 (bfin_reorg_loops): New.
1453 (bfin_reorg): Use bfin_reorg_loops.
1454 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1456 (I_REGNO_P): Simplify.
1457 (DP_REGNO_P, DPREG_P): New macros.
1458 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1459 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1460 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1461 Add LT_REGS, LC_REGS, LB_REGS.
1462 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1464 (REGNO_REG_CLASS): Deal with loop registers.
1465 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1467 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1468 New constants for loop registers.
1469 (UNSPEC_LSETUP_END): New.
1470 (seq_insns): New define_attr. Set it for appropriate insns.
1471 (movsi_insn): Add alternatives for move from/to
1472 loop count registers.
1473 (doloop_end): New define_expand.
1474 (loop_end): New define_insn.
1475 (define_split for bad doloop_end): New.
1476 (lsetup_with_autoinit): New define_insn.
1477 (lsetup_without_autoinit): New define_insn.
1478 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1479 * config/bfin/predicates.md (lc_register_operand): New.
1480 (lt_register_operand): New.
1481 (lb_register_operand): New.
1482 (nondp_register_operand): New.
1483 (nondp_reg_or_memory_operand): New.
1484 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1486 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1488 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1489 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1491 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1493 * Makefile.in (CATALOGS): Add po/ prefix.
1494 * configure: Regenerated.
1496 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1499 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1500 a shift operand before calling shift_op. Avoid redundant call of
1503 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1504 DJ Delorie <dj@redhat.com>
1506 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1507 we're inserting is a singlt-bit constant.
1509 2006-05-30 Roger Sayle <roger@eyesopen.com>
1511 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1512 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1514 2006-05-30 Roger Sayle <roger@eyesopen.com>
1516 PR tree-optimization/23452
1517 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1518 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1519 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1520 complex values and with -ffast-math for FP complex values.
1522 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1524 * c-common.h: Remove the prototype for yyparse.
1525 * rtl.h: Remove the prototype for init_loop.
1527 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1529 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1532 2006-05-30 Roger Sayle <roger@eyesopen.com>
1534 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1536 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1537 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1539 2006-05-30 Dirk Mueller <dmueller@suse.de>
1542 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1543 for CONSTANT_CLASS_P expresisons.
1545 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1548 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1550 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1552 PR tree-optimization/27779
1553 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1554 initial_condition instead of CHREC_LEFT.
1556 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1558 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1559 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1560 Make prototypes ISO C90.
1562 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1563 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1565 * see.c (see_analyze_one_def): Correct check.
1566 (see_get_extension_data): Check if extension is parallel.
1567 (see_get_extension_reg): Likewise.
1569 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1572 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1573 into register for (code == GTU).
1575 2006-05-29 Roger Sayle <roger@eyesopen.com>
1577 PR tree-optimization/24964
1578 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1579 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1580 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1581 abs(x)*abs(x) as x*x for scalar floating point modes.
1583 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1586 * lambda-code.c (perfect_nestify): Don't copy statements
1587 in the inner loop: move them to the inner loop header.
1589 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1592 * c-tree.texi: Document OpenMP directives and clauses.
1594 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1596 * varasm.c (globalize_decl): Fix indentation.
1598 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1601 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1602 pass_fre, pass_store_ccp, pass_copy_prop,
1603 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1604 pass_return_slot, pass_object_size, pass_lim,
1605 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1606 pass_loop_prefetch and pass_stdarg.
1608 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1610 * config/bfin/bfin.opt (mfdpic): New option.
1611 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1612 (EXTRA_MULTILIB_PARTS): Likewise.
1613 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1614 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1616 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1617 (CRT_CALL_STATIC_FUNCTION): New.
1618 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1620 (CRT_CALL_STATIC_FUNCTION): New.
1621 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1623 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1624 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1625 (initialize_trampoline): Changed to handle FD-PIC code generation.
1626 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1627 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1628 (override_options): Disallow -mid-shared-library -mfdpic combination.
1629 Can't do unaligned ops if FD-PIC.
1630 Turn off flag_pic if trying to generate non-id-shared-library
1631 non-fdpic code, since it's not supported.
1632 (bfin_assemble_integer): New function.
1633 (TARGET_ASM_INTEGER): Define.
1634 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1636 * config/bfin/crtn.s: Restore them.
1637 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1639 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1640 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1641 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1642 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1643 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1645 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1646 FDPIC_REGS and FDPIC_FPTR_REGS.
1647 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1648 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1649 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1650 (load_funcdescsi): New pattern.
1651 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1652 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1653 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1655 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1657 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1660 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1662 * tree-flow.h: Remove the prototype for add_type_alias.
1663 * tree-ssa-alias.c (add_type_alias): Remove.
1665 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1667 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1668 config/fr30/fr30.md, config/i386/i386-interix.h,
1669 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1670 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1671 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1672 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1673 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1674 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1675 Follow spelling conventions.
1676 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1677 Follow spelling conventions.
1679 2006-05-27 Richard Guenther <rguenther@suse.de>
1682 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1683 to produce a constant of value 1 of generic type.
1685 2006-05-27 Dirk Mueller <dmueller@suse.de>
1687 * cgraphunit.c (decide_is_function_needed): Fix wrong
1690 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1692 PR rtl-optimization/27661
1693 * reload.c (find_reloads): When reloading a VOIDmode constant
1694 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1695 use Pmode as mode of the reload register.
1697 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1699 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1700 is enabled at -O and above.
1702 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1705 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1708 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1711 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1712 for anonymous variables explicitly declared by front ends.
1714 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1716 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1717 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1718 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1719 ref-all pointers, run a finalization pass for them.
1720 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1721 (finalize_ref_all_pointers): New function.
1722 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1723 regular pointer type to a ref-all pointer type.
1724 (get_tmt_for): Return the special memory tag for ref-all pointers.
1726 2006-05-25 Richard Guenther <rguenther@suse.de>
1729 * fold-const.c (fold_binary): Do not look at the stripped
1730 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1732 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1734 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1735 for LT and GT if the computed range is effectively empty.
1737 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1740 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1741 mips_quad_format formats instead of ieee_single_format,
1742 ieee_double_format and ieee_quad_format formats, respectively.
1744 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1746 PR tree-optimization/27639
1747 PR tree-optimization/26719
1748 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1749 call to scev_probably_wraps_p.
1750 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1751 used_in_pointer_arithmetic_p, convert_step): Removed.
1752 (nowrap_type_p): New function.
1753 (scev_probably_wraps_p): Rewritten.
1754 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1755 chrec_convert if chrec_convert_aggressive might have been used.
1756 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1757 scev_direction): New functions.
1758 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1759 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1760 instead of convert_step.
1761 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1762 (convert_step): Declaration removed.
1763 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1765 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1767 * df-core.c: Added to header comments.
1768 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1769 df_ur_bb_info, df_urec_bb_info): Added comments.
1770 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1771 urec, ri problems): Fixed header comments.
1772 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1773 code from df_rd_transfer_function.
1775 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1777 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1778 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1779 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1781 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1783 * expr.c (undefined_operand_subword_p): New.
1784 (emit_move_multi_word): Do not generate move from undefined bits
1785 of a paradoxical subreg.
1787 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1789 PR rtl-optimization/27736
1790 * combine.c (replaced_rhs_value): New variable.
1791 (combine_instructions): Set it.
1792 (distribute_notes): When distributing a note in replaced_rhs_insn,
1793 check whether the value was used in replaced_rhs_value.
1795 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1798 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1799 add_referenced_var instead of add_referenced_tmp_var.
1800 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1801 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1803 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1804 tree_optimize_tail_calls_1): Use add_referenced_var.
1805 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1806 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1807 Use add_referenced_var.
1808 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1809 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1810 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1811 Use add_referenced_var.
1812 * tree-dfa.c (struct walk_state): Remove.
1813 (find_referenced_vars): Remove walk state and vars_found hash table.
1814 (make_rename_temp): Use add_referenced_var.
1815 (find_vars_r): Pass less parameters to add_referenced_var.
1816 (referenced_var_p): New. Is var in referenced_var hash table.
1817 (referenced_var_insert): Assert var isn't already in hash table.
1818 (add_referenced_var): Don't need walk_state parameter. Add var if it
1819 isn't already in the hash table.
1820 (add_referenced_tmp_var): Remove.
1821 (find_new_referenced_vars_1): Use add_referenced_var.
1822 * tree-ssa-pre.c (create_expression_by_pieces,
1823 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1824 Use add_referenced_var.
1825 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1826 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1827 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1829 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1830 vect_create_data_ref_ptr, vect_create_destination_var,
1831 vect_init_vector, vect_build_loop_niters,
1832 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1833 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1834 Use add_referenced_var.
1835 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1836 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1837 (add_referenced_var): Add prototype.
1838 * tree-ssa-structalias.c (get_constraint_for,
1839 intra_create_variable_infos): Use add_referenced_var.
1841 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1843 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1844 big-endian paradoxical subregs.
1845 * var-tracking.c (struct micro_operation_def): Document that,
1846 for modify micro operations, insn is the subsequent instruction.
1847 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1848 (var_reg_set, var_mem_set): ... new functions.
1849 (add_stores): Record subsequent insn.
1850 (compute_bb_dataflow): Use new functions for MO_USE.
1851 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1852 notes after the insn, and modify notes before the insn known
1853 to be the subsequent one.
1854 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1856 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1859 * config/i386/i386.c (ix86_expand_builtin): Use
1860 gen_sse3_monitor64 for TARGET_64BIT.
1862 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1864 PR rtl-optimization/26375
1865 PR rtl-optimization/26855
1866 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1868 (df_ru_bb_local_compute): Reversed statements and removed bogus
1869 comment explaining why they should be in wrong order.
1870 (df_ru_dump, df_rd_dump): Enhanced debug info.
1871 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1873 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1874 reaching uses and fixed space problem.
1876 2006-05-23 Jan Hubicka <jh@suse.cz>
1878 * cgraphunit.c (decide_is_function_needed): Also nested functions
1879 and functions declared inline can be optimized out at -O0.
1881 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1883 * doc/install.texi (Configuration): Remove reference to CrossGCC
1887 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1890 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1891 ix86_compare_emitted is non-NULL.
1893 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1896 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1899 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1901 PR rtl-optimization/25514
1902 * combine.c (replaced_rhs_insn): New variable.
1903 (combine_instructions): Set replaced_rhs_insn when trying to replace
1904 a SET_SRC with a REG_EQUAL note.
1905 (distribute_notes): Use replaced_rhs_insn when determining the live
1906 range of a REG_DEAD register.
1908 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1909 Anatoly Sokolov <aesok@post.ru>
1911 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1912 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1913 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1914 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1915 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1916 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1917 at90usb647, at90usb1286 and at90usb1287 devices.
1918 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1919 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1921 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1923 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1925 2006-05-22 Richard Guenther <rguenther@suse.de>
1928 2006-01-31 Richard Guenther <rguenther@suse.de>
1929 Paolo Bonzini <bonzini@gnu.org>
1931 * doc/install.texi (--disable-libgcc-math): Document.
1933 2006-05-22 Richard Guenther <rguenther@suse.de>
1936 2006-01-31 Richard Guenther <rguenther@suse.de>
1938 * doc/invoke.texi (-msselibm): Document.
1939 * target.h (expand_library_builtin): New target hook.
1940 * builtins.c (expand_builtin): Use expand_library_builtin.
1941 (default_expand_library_builtin): New function.
1942 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1943 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1944 (link_gcc_math_spec): Declare.
1945 (static_specs): Add link_gcc_math_spec.
1946 * expr.h (default_expand_library_builtin): Declare.
1947 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1948 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1949 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1950 * config/i386/i386.opt (msselibm): New target option.
1951 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1952 (ix86_init_sse_abi_builtins): New function.
1953 (ix86_expand_library_builtin): Likewise.
1954 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1955 (override_options): Handle error conditions wrt -msselibm.
1956 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1957 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1958 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1961 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1964 * c-common.c (self_promoting_args_p): Skip erroneous args.
1967 * c-decl.c (finish_struct): Skip erroneous fields.
1969 2006-05-22 Nick Clifton <nickc@redhat.com>
1971 * config/cris/cris.opt (march): Remove VarExists attribute.
1972 (max-stackframe=): Likewise.
1974 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1976 * doc/rtl.texi: Fix a typo.
1977 * see.c: Fix comment typos.
1979 * tree-ssa-structalias.h (alias_info): Remove num_references.
1981 2006-05-21 Mike Stump <mrs@apple.com>
1983 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1985 (darwin_pragma_options): Use BAD instead.
1986 (darwin_pragma_unused): Likewise.
1987 (darwin_pragma_ms_struct): Likewise.
1989 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1991 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1993 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1995 PR rtl-optimization/27671
1996 * simplify-rtx.c (simplify_relational_operation_1): Fix
1997 simplifications of (eq/ne (xor x y) y) and
1998 (eq/ne (xor x y) x).
2000 PR tree-optimization/26622.
2001 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2004 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2006 * tree-cfg.c: Prune whitespace.
2007 (debug_tree_cfg): Point to correct header containing the
2010 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2013 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2015 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2018 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2019 or sorry count is non zero.
2021 2006-05-20 Andreas Schwab <schwab@suse.de>
2023 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2025 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2026 Kenneth Zadeck <zadeck@naturalbridge.com>
2028 PR rtl-optimization/26855
2030 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2032 (df_scan_alloc): Added code to properly handle multiword hard
2033 registers and add all_blocks parameter.
2034 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2035 code to properly handle multiword hard registers.
2036 (df_rescan_blocks): Added code to remove deleted blocks from
2038 (df_ref_create_structure, df_ref_record): Added code to properly
2040 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2041 and set DF_REF_PARTIAL.
2042 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2043 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2044 (df_scan_add_problem): Added flags parameter.
2045 (df_ref_create_structure): Changed switching structure.
2046 (df_bb_refs_record): Fixed case where duplicate artificial refs
2047 were created. Changed location of flags.
2048 (df_record_entry_block_defs): Added code to make stack pointer
2049 live in entry block. Refined cases where frame pointer is needed.
2050 Changed location of flags.
2051 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2052 (df_set_state): Removed function.
2053 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2054 df_insn_create_insn_record, df_insn_refs_delete,
2055 df_ref_create_structure): Formatting changes.
2056 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2057 df_delete_basic_block): New function.
2058 (df_init): Changed location of flags.
2059 (df_add_problem): Added flags parameter and the way flags are
2061 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2062 debug_df_chain): Improved debugging output.
2063 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2064 (df_refs_chain_dump): Removed df parameter.
2065 (df_iterative_dataflow): Added consistency check.
2066 (df_prune_to_subcfg): Made public.
2067 (df_analyze_problem): Added blocks_to_init parameter and made
2069 (df_ref_record, df_bb_refs_record, df_mark_reg,
2070 df_record_exit_block_uses): Whitespace changes.
2071 (df_dump): Whitespace changes.
2072 * df.h: Some reordering to remove forward references.
2073 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2074 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2075 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2076 (dataflow.flags): New field.
2077 (df.flag): Deleted field.
2078 (df_alloc_function): Added additional bitmap parameter.
2079 (df_dependent_problem_function): New type.
2080 (df_problem.changeable_flags): New field.
2081 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2082 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2083 (df_mw_hardreg): New struct.
2084 (DF_INSN_UID_MWS): New macro.
2085 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2087 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2088 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2089 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2090 (df_set_state): Removed function.
2091 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2092 * df-problems.c (df_chain_dump): Removed df parameter.
2093 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2094 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2096 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2097 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2098 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2099 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2100 DF_REF_MUST_CLOBBER cases.
2101 (df_ru_bb_local_compute_process_def,
2102 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2103 df_lr_bb_local_compute, df_ur_bb_local_compute,
2104 df_chain_create_bb): Made subreg aware.
2105 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2106 df_lr_bb_local_compute, df_lr_bb_local_compute,
2107 df_chain_create_bb): Cleanup to use proper macros.
2108 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2109 code to fixup bitvectors.
2110 (df_ri_alloc): Cleared lifetime.
2111 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2112 df_create_unused_note): New function.
2113 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2114 REG_DEAD and REG_UNUSED notes as well as register information.
2115 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2116 df_chains_dump): Fixed crash if problem was never run.
2117 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2118 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2119 df_ri_add_problem): Processes flags in uniform manner.
2120 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2121 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2122 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2123 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2124 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2125 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2126 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2127 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2128 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2129 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2130 * see.c (see_initialize_data): Ditto.
2131 * final.c (rest_of_clean_state) Added regstack_completed.
2132 * rtl.h (regstack_completed): Ditto.
2133 * reg-stack.c (regstack_completed): Ditto.
2135 2006-05-19 Mike Stump <mrs@apple.com>
2137 * c-tree.h (default_conversion): Remove.
2138 * c-common.h (default_conversion): Add.
2140 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2142 * tree-vrp.c (valid_value_p): New function.
2143 (adjust_range_with_scev): Fail if the value of bound is not
2146 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2148 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2149 (mips_fallback_frame_state): Use syscall numbers to determine
2150 the appropriate li instruction for the current ABI. Only use
2151 __NR_sigreturn for o32.
2153 2006-05-19 Nicolas Setton <setton@adacore.com>
2155 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2156 * langhooks.c (lhd_dwarf_name): New function.
2157 * langhooks-def.h (lhd_dwarf_name): Declare.
2158 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2159 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2160 * ada/misc.c (gnat_dwarf_name): New function.
2161 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2163 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2165 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2167 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2168 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2169 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2170 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2171 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2172 determine the size of Wtype, etc.
2173 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2174 (swfloatfuncs): New variable.
2175 (dwfloatfuncs): Likewise.
2176 (lib2funcs): Remove floating-point conversion functions from
2177 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2178 the set of conversion routines needed. Allow entries to specify
2179 an object name, filename and word size. Update users accordingly.
2180 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2181 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2185 2006-02-08 Roger Sayle <roger@eyesopen.com>
2188 * config/fixtfdi.c: New libgcc source file.
2189 * config/fixunstfdi.c: New source file.
2190 * config/floatditf.c: New source file.
2191 * config/floatunditf.c: New souce file.
2192 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2193 files above instead of config/mips/_tilib.c.
2194 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2196 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2198 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2199 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2201 2006-05-18 Mike Stump <mrs@apple.com>
2203 Fix up vla, vm and [*] sematics.
2209 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2210 (c_vla_unspec_p): Add.
2211 (c_vla_type_p): Add.
2212 * c-decl.c (struct c_scope): Add had_vla_unspec.
2213 (build_array_declarator): Add support for [*].
2214 (grokdeclarator): Likewise.
2215 (grokparms): Likewise.
2216 (get_parm_info): Likewise.
2217 * c-objc-common.c (c_vla_unspec_p): Likewise.
2218 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2219 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2220 typeof when argument is a variably modified type not inside sizeof or alignof.
2221 (c_parser_direct_declarator_inner): Propagate errors.
2222 (c_parser_sizeof_expression): Add support for [*].
2223 (c_parser_parms_declarator): Initialize had_vla_unspec.
2224 (c_parser_parms_list_declarator): Likewise.
2225 * c-typeck.c (c_vla_type_p): Add.
2226 (composite_type): Add support for vla compositing.
2227 (comptypes_internal): Add support for vla compatibility.
2228 (c_expr_sizeof_expr): Evaluate vla arguments.
2229 * tree.c (variably_modified_type_p): Update comment for [*].
2231 2006-05-18 Michael Matz <matz@suse.de>
2234 * config.host: Make assignments to host_xmake_file cumulative.
2235 * config.host (*-darwin*): Test $host, not $target.
2237 2006-05-12 Stuart Hastings <stuart@apple.com>
2239 * config/i386/i386.opt (-mstackrealign): New flag.
2240 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2241 (ix86_handle_cconv_attribute): Emit error when
2242 force_align_arg_pointer attribute collides with too many regparms.
2243 (ix86_function_regparm): Limit regparms when used with
2244 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2245 Support stack-realigning prologue in non-main functions. Emit
2246 warning for nested functions under -mstackrealign, emit error for
2247 nested functions with force_align_arg_pointer attribute.
2248 * doc/extend.texi (force_align_arg_pointer): Document it.
2249 * doc/invoke.texi (-mstackrealign): Document it.
2251 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2253 PR rtl-optimization/27477
2254 * combine.c (try_combine): Don't split a parallel consisting
2255 of two sets into two individual sets if both sets reference
2258 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2260 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2261 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2263 * doc/options.texi (VarExists): Updated.
2265 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2267 * unwind-dw2.c: Add declarations for uw_update_context and
2269 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2270 detected, advance frame state and context once to skip over stub.
2272 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2276 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2277 Call rewrite_into_loop_closed_ssa only when something changed.
2278 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2279 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2280 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2281 Test for perfect_nest_p here. Fix formating.
2282 (replace_uses_equiv_to_x_with_y): Fix formating.
2283 (stmt_uses_op): Removed.
2284 (can_convert_to_perfect_nest): Removed loopivs parameter.
2285 Complete the test by checking the scalar dependences.
2286 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2289 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2292 From Dan Kegel <dank@kegel.com>:
2293 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2295 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2297 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2298 if the element type is variably modified without recursing.
2300 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2303 * tree-loop-linear.c (try_interchange_loops): Test for
2304 no data dependences.
2306 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2308 PR tree-optimization/27548
2309 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2310 range of ssa names that appear on abnormal edges.
2311 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2312 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2314 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2317 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2319 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2322 * tree.h (OMP_PARALLEL_COMBINED): Define.
2323 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2324 (new_omp_context): Add is_combined_parallel argument.
2325 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2326 new_omp_context caller.
2327 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2328 Adjust gimplify_scan_omp_clauses callers.
2329 (omp_is_private): Issue errors if iteration variable is firstprivate
2330 or reduction in the current context.
2331 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2332 on combined parallel workshare constructs.
2334 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2336 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2337 (gcc-options.o): New rule.
2339 * optc-gen.awk: Protect variables for gcc-options.o with
2340 #ifdef GCC_DRIVER/#endif.
2342 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2344 Fix PR tree-optimization/27373
2345 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2346 (forward_propagate_addr_expr): Update call.
2348 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2350 * doc/options.texi: Move the Negative option.
2352 2006-05-16 Richard Guenther <rguenther@suse.de>
2354 PR tree-optimization/22303
2355 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2357 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2358 ccp_fold did not simplify the statement.
2360 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2363 * Makefile.in (GCC_OBJS): New.
2364 (OBJS-common): Add opts-common.o.
2365 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2366 (cpp$(exeext)): Likewise.
2367 (gcc.o): Also depend on opts.h.
2368 (opts-common.o): New.
2370 * common.opt (gcoff): Add Negative(gdwarf-2).
2371 (gdwarf-2): Add Negative(gstabs).
2372 (gstabs): Add Negative(gstabs+).
2373 (gstabs+): Add Negative(gvms).
2374 (gvms): Add Negative(gxcoff).
2375 (gxcoff): Add Negative(gxcoff+).
2376 (gxcoff+): Add Negative(gcoff).
2377 * config/i386/i386.opt (m32): Add Negative(m64).
2378 (m64): Add Negative(m32).
2380 * doc/options.texi: Document the Negative option.
2382 * gcc.c: Include "opts.h".
2383 (main): Call prune_options after expandargv.
2385 * optc-gen.awk: Generate common declarations for all flag
2386 variables in options.c. Output the neg_index field.
2388 * opts.c (find_opt): Moved to ...
2389 * opts-common.c: Here. New file.
2391 * opts.h (cl_option): Add a neg_index field.
2393 (prune_options): Likewise.
2395 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2398 * omp-low.c (expand_omp_parallel): Don't assert
2399 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2400 instead search for it.
2403 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2406 2006-05-16 Andreas Schwab <schwab@suse.de>
2408 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2411 2006-05-15 Roger Sayle <roger@eyesopen.com>
2414 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2415 integer constants other than zero are only legitimate on TARGET_64BIT.
2416 <CONST_VECTOR> Only zero vectors are legitimate.
2417 (ix86_cannot_force_const_mem): Integral and vector constants can
2418 always be put in the constant pool.
2420 2006-05-16 DJ Delorie <dj@redhat.com>
2422 * crtstuff.c (__dso_handle): Set section from
2423 TARGET_LBIGCC_SDATA_SECTION if defined.
2424 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2425 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2427 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2430 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2433 2006-05-16 Ben Elliston <bje@au.ibm.com>
2435 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2437 2006-05-15 Per Bothner <per@bothner.com>
2439 * tree.c: (last_annotated_node): Use source_locus typedef.
2440 This permits bootstrapping with --enable-mapped-location.
2442 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2444 PR tree-optimization/26830
2445 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2446 (info_for_ssa_name, current_info_for_ssa_name_age,
2447 blocks_to_update): New variables.
2448 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2449 (clear_ssa_name_info, initialize_flags_in_bb,
2450 mark_block_for_update): New functions.
2451 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2452 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2453 prepare_def_site_for): Use mark_block_for_update.
2454 (mark_def_interesting): Assert that the processed block is marked in
2455 blocks_to_update. Do not take blocks argument.
2456 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2458 (rewrite_update_init_block, rewrite_update_stmt): Only process
2459 blocks with statements to rewrite.
2460 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2461 (update_ssa): Initialize and free blocks_to_update. Do not
2462 clear flags on statements. Do not use blocks bitmap.
2463 * tree.h (SSA_NAME_AUX): Removed.
2464 (struct tree_ssa_name): Removed aux field.
2465 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2467 2006-05-15 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/27603
2470 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2471 Do computations in original type.
2473 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2475 * see.c: Code style changes such as redundant paranthesis,
2476 redundant intialization of local variables etc.
2477 (see_main): Declared now as static.
2478 * doc/invoke.texi: Update that -fsee is not enabled by
2481 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2483 * omp-low.c (check_omp_nesting_restrictions): New function.
2484 (scan_omp_1): Call it.
2487 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2488 construct, return *VAR.
2490 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2492 PR rtl-optimization/27406
2493 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2496 2006-05-14 Roger Sayle <roger@eyesopen.com>
2498 PR rtl-optimization/27538
2499 * combine.c (expand_compound_operation): Call gen_lowpart
2500 before calling simplify_shift_const.
2502 2006-05-14 Roger Sayle <roger@eyesopen.com>
2504 PR rtl-optimization/22563
2505 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2506 a fixed width bitfield, always force the intermediates into psuedos.
2508 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2511 * mkconfig.sh: Use operator = instead of == for test.
2513 2006-05-13 Nick Clifton <nickc@redhat.com>
2515 * dwarf2out.c (dbx_reg_number): Check return value from
2516 LEAF_REG_REMAP and only use it if it is valid.
2517 (multiple_reg_loc_descriptor): Likewise.
2519 2006-05-13 Richard Guenther <rguenther@suse.de>
2521 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2524 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2526 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2527 information attached to non-INSNs such as NOTEs.
2528 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2530 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2532 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2534 * config/s390/s390.md: Adjust comment describing On constraint.
2536 2006-05-11 Jan Hubicka <jh@suse.cz>
2538 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2539 to be output at -O0.
2541 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2544 * fold-const.c (size_binop): Move sanity check for arguments to
2545 the beginning of the function.
2548 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2551 2006-05-11 Richard Guenther <rguenther@suse.de>
2554 * fold-const.c (fold_unary): Handle intermediate conversion
2555 to a pointer type like intermediate conversion to an integer
2556 type in folding of (T1)(T2)var to var.
2557 Match the code to the comment in the final conversion for
2558 (T1)(T2)var to (T1)var regarding to type precision. Rather
2559 than disallow T1 being of pointer type, assert that both T1
2560 and var are of pointer type or not. Make sure not to fall
2561 over the frontends lazyness wrt array to pointer decay though.
2563 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2565 * arm.c (arm_struct_value_rtx): Delete.
2566 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2567 (arm_init_cumulative_args): Always initialize nregs to zero.
2569 2006-05-10 Richard Guenther <rguenther@suse.de>
2571 PR tree-optimization/27532
2572 * tree-object-size.c (plus_expr_object_size): Fix typo.
2574 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2577 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2578 ashrdi_const, ashrdi3): Use a scratch register.
2580 2006-05-10 Richard Guenther <rguenther@suse.de>
2582 PR tree-optimization/27302
2583 * fold-const.c (operand_equal_p): For two comparisons,
2584 try comparison of one comparison code swapped if that yields
2587 2006-05-10 Ben Elliston <bje@au.ibm.com>
2589 * tree-pretty-print.c (pretty_print_string): No need to handle
2590 '\0' as a special character.
2592 * tree.h: Include "hashtab.h".
2593 (iterative_hash_expr): Use hashval_t in its prototype.
2594 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2596 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2599 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2600 (hppa*64*-*-hpux11*): Ditto.
2601 (hppa[12]*-*-hpux11*): Ditto.
2603 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2606 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2608 2006-05-09 Michael Matz <matz@suse.de>
2610 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2611 host_extra_gcc_objs and host_xmake_file.
2612 (<*-*-linux*>): Don't overwrite host_xmake_file.
2613 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2614 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2615 (host_detect_local_cpu): Declare.
2616 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2617 * config/i386/i386.c (override_options): Handle -mtune=native
2619 * config/i386/x-i386: New file.
2620 * config/i386/driver-i386.c: New file.
2621 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2624 2006-05-09 Dirk Mueller <dmueller@suse.de>
2625 Richard Guenther <rguenther@suse.de>
2628 * fold-const.c (fold_read_from_constant_string): Relax check
2629 for matching types to matching modes.
2631 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2633 PR rtl-optimization/27335
2634 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2637 2006-05-08 Chao-ying Fu <fu@mips.com>
2638 Richard Sandiford <richard@codesourcery.com>
2640 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2641 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2642 * config/mips/mips.md (UNSPEC_SCC): New constant.
2643 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2644 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2645 (mips_emit_compare): Use it.
2646 (mips_expand_vcondv2sf): New function.
2648 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2650 Fix PR tree-optimization/27093
2651 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2652 renaming when they become not-used_alone.
2654 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2656 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2657 relocation and relocation stubs.
2659 2006-05-08 Eric Christopher <echristo@apple.com>
2661 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2664 2006-05-08 Jan Hubicka <jh@suse.cz>
2667 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2668 unused static functions are needed.
2670 2006-05-08 Roger Sayle <roger@eyesopen.com>
2673 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2674 of a reg_equiv_constant if the result is a legitimate constant.
2676 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2679 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2680 standard 80387 constants, raise the cost to prevent
2681 compress_float_constant() to generate load from memory.
2683 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2685 * config/arm/constraints.md (c): Fix a typo.
2687 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2690 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2693 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2695 (_mm_mwait): Likewise.
2697 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2699 (sse3_monitor): Make it 32bit only.
2700 (sse3_monitor64): New. 64bit monitor.
2702 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2705 * config/i386/i386.c (classify_argument): Skip fields with invalid
2708 2006-05-07 Richard Guenther <rguenther@suse.de>
2710 PR tree-optimization/27409
2711 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2712 Do not try to find zero-sized subvars.
2714 2006-05-07 Richard Guenther <rguenther@suse.de>
2716 PR tree-optimization/27136
2717 * tree-ssa-loop-niter.c (get_val_for): Correct function
2718 comment, assert requirements.
2719 (loop_niter_by_eval): Stop processing if the iterated
2720 value did not simplify.
2722 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2724 * opts.c (flag_see): remove its setting at -O3.
2726 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2728 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2729 * arm/constraints.md: New file.
2730 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2731 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2732 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2733 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2734 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2735 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2736 * arm.md: Include constraints.md.
2737 (thumb_movsi_insn): Use satisfies_constraint_J.
2738 (movhi, movqi): Use satisfies_constraint_I.
2740 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2742 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2743 for atmeg a645 device.
2745 2006-05-06 Richard Guenther <rguenther@suse.de>
2747 PR tree-optimization/27151
2748 * tree-vect-transform.c (vectorizable_condition): Punt on
2749 values that have a different type than the condition.
2751 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2754 * c-parser.c (c_parser_cast_expression): Only insert casts into
2755 hash table if pointer.
2756 * function.c (used_types_insert_helper): Rename from
2758 (used_types_insert): Call used_types_insert_helper.
2759 * function.h (used_types_insert): Accept only one argument.
2761 2006-05-05 David Edelsohn <edesohn@gnu.org>
2763 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2764 scratch with output modifier.
2766 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2769 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2770 with output modifier.
2772 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2775 * config/mips/mips.c (mips_symbolic_address_p): Return true
2776 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2777 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2779 2006-05-04 Richard Guenther <rguenther@suse.de>
2781 PR tree-optimization/14287
2782 PR tree-optimization/14844
2783 PR tree-optimization/19792
2784 PR tree-optimization/21608
2785 PR tree-optimization/27090
2786 * tree-ssa-pre.c (try_combine_conversion): New function.
2787 (compute_avail): After constructing the value-handle
2788 expression, use try_combine_conversion to combine NOP_EXPRs
2789 with previous value-handle expressions and use the result if it
2792 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2794 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2796 2006-05-04 Jan Hubicka <jh@suse.cz>
2799 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2801 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2803 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2804 that this only matches CONST_INTs. All users changed to VOIDmode
2807 * config/bfin/bfin.c: Include "optabs.h".
2808 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2810 (enum bfin_builtins): Add a number of fractional and vector builtins.
2811 (bfin_init_builtins): Likewise.
2812 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2813 (safe_vector_operand, bfin_expand_binop_builtin,
2814 bfin_expand_unop_builtin): New functions.
2815 (bfin_expand_builtin): Handle the new builtins.
2816 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2819 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2822 * Makefile.in (OBJS-common): Add see.o.
2823 (see.o): Add dependencies.
2824 * common.opt (fsee): New flag for the see optimization was added.
2825 * opts.c (flag_see): Initialized.
2826 * passes.c (init_optimization_passes, pass_see): New pass.
2827 * rtl.h (see_main): Declaration as extern.
2828 * timevar.def (TV_SEE): New.
2829 * tree-pass.h (pass_see): Declaration as extern.
2830 * invoke.texi (-fsee): Document.
2831 * recog.c (validate_simplify_insn): New function.
2832 * recog.h (validate_simplify_insn): Declaration as extern.
2833 * df-problems.c (df_chain_dump): Check for NULL.
2835 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2836 Daniel Berlin <dberlin@dberlin.org>
2838 * cfgrtl.c (insert_insn_bb_end_new): New function.
2839 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2841 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2843 * df.h (struct web_entry): Moved from web.c.
2844 (union_defs): Declaration as extern.
2845 (unionfind_root): Likewise.
2846 (unionfind_union): Likewise.
2847 * web.c (struct web_entry): Moved to df.h.
2848 (unionfind_root): Remove static declaration.
2849 (unionfind_union): Likewise.
2850 (union_defs): Likewise and generalize to use callback function.
2851 (web_main): Update arguments for union_defs function call.
2853 2006-05-04 Richard Guenther <rguenther@suse.de>
2855 PR tree-optimization/26447
2856 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2857 produce SSA_NAME copies before the store stmt to avoid
2858 breaking exception handling.
2860 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2863 * gimplify.c (omp_is_private): If var is shared in some outer context,
2864 return false instead of true. Stop searching on parallel context
2867 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2870 * coverage.c: Use get_gcov_unsigned_t() instead of
2871 unsigned_type_node all over.
2873 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2875 PR tree-optimization/27381
2876 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2877 maintain the same immediate_use links.
2878 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2879 node rather than segfaulting.
2881 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2884 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2885 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2886 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2888 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2890 Fix PR tree-optimization/26626
2891 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2893 * tree-ssa-operands.c (access_can_touch_variable): Allow
2894 typecasting through union pointers.
2896 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2899 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2900 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2901 to find if var will be a global variable even in the nested context.
2902 (omp_copy_decl): Only check for global variable at the end, it might
2903 be overridden in outer contexts.
2904 (scan_sharing_clauses): For global variables don't create a field.
2905 (lower_rec_input_clauses): Do nothing for global shared variables.
2906 Emit a barrier at the end of ILIST if there were any decls in both
2907 firstprivate and lastprivate clauses.
2908 (lower_send_clauses): Do nothing for global variables except for
2911 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2913 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2914 of the correct signedness is returned.
2916 2006-05-02 Jeff Law <law@redhat.com>
2918 PR tree-optimization/27364
2919 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2920 multiply expressions.
2922 2006-05-02 Tom Tromey <tromey@redhat.com>
2924 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2926 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2929 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2930 -mthumb -fPIC are used.
2932 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2933 Joshua Kinard <kumba@gentoo.org>
2936 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2937 with 64-bit pointers.
2939 2006-05-02 Paul Brook <paul@codesourcery.com>
2941 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2943 (create_fix_barrier): Check that a suitable barrier location is
2945 (arm_reorg): Include ftmp->address in allowable range of addresses.
2947 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2950 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2953 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2956 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2957 around RESULT_DECL for result passed by reference.
2958 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2959 * omp-low.c (use_pointer_for_field): Don't look at
2960 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2961 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2962 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2963 time or var for passing by reference for
2964 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2965 TREE_ADDRESSABLE variables when passing by reference.
2967 * omp-low.c (dump_omp_region): Fix output formatting.
2970 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2971 (expand_omp_parallel): Likewise.
2972 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2975 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2976 on statement list containing also constructors and destructors.
2977 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2980 * except.c (duplicate_eh_regions): Fix clearing of
2981 cfun->eh->region_array entries.
2983 2006-05-01 DJ Delorie <dj@redhat.com>
2985 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2987 (gcc_cv_objdump): Likewise.
2988 * configure: Regenerated.
2990 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2993 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2994 templates for case 3 and 4.
2996 2006-05-01 DJ Delorie <dj@redhat.com>
2998 * vec.c: Include bconfig.h when appropriate.
2999 * Makefile.in (build/vec.o): Adjust dependencies.
3000 * mkconfig.sh: Make sure config.h isn't used for build machine
3003 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3005 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3007 (mark_phi_for_rewrite): New function.
3008 (insert_phi_nodes_for, mark_use_interesting): Call
3009 mark_phi_for_rewrite.
3010 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3011 (update_ssa): Initialize and free phis_to_rewrite.
3013 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3015 PR rtl-optimization/27291
3016 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3017 folded to a constant.
3019 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3021 PR tree-optimization/27283
3022 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3023 not whole # of iteration descriptions.
3024 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3025 uses abnormal ssa name.
3026 (niter_for_single_dom_exit): Ditto.
3027 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3028 return just the number of iterations.
3030 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3032 PR tree-optimization/27144
3033 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3034 (record_estimate): Only record constant upper bound.
3035 (infer_loop_bounds_from_undefined): Call
3036 compute_estimated_nb_iterations just once.
3037 (proved_non_wrapping_p): Renamed to ...
3038 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3039 (convert_step_widening, scev_probably_wraps_p): Call
3040 n_of_executions_at_most instead of proved_non_wrapping_p.
3041 (substitute_in_loop_info): Do not replace values in bounds.
3042 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3045 2006-05-01 Richard Henderson <rth@redhat.com>
3048 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3049 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3052 2006-05-01 Roger Sayle <roger@eyesopen.com>
3054 * c-typeck.c (parser_build_binary_op): Don't call the function
3055 unsigned_conversion_warning to spot operand/result type overflow.
3056 (build_binary_op): Instead, call convert_and_check instead of
3057 convert to report the problem when the operands are promoted.
3058 * c-common.c (unsigned_conversion_warning): Make static.
3059 * c-common.h (unsigned_conversion_warning): Delete prototype.
3061 2006-05-01 Richard Guenther <rguenther@suse.de>
3063 PR tree-optimization/26726
3064 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3066 (find_interesting_uses_address): ... we work around here
3067 by folding INDIRECT_REFs in the substituted base.
3069 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3071 * omp-low.c (dump_omp_region): Add newlines.
3073 2006-04-30 Roger Sayle <roger@eyesopen.com>
3075 * common.opt (Woverflow): New command line option.
3076 * c-common.c (constant_expression_warning): Check warn_overflow.
3077 (overflow_waring): Pass OPT_Woverflow to warning.
3078 (unsigned_conversion_warning): Likewise.
3079 (convert_and_check): Likewise.
3080 * doc/invoke.texi: Document new command line option.
3082 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3084 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3085 TARGET_NO_FP_IN_TOC for section anchors.
3086 (optimization_options): Enable section anchors for all
3087 non-"Objective" languages.
3089 2006-04-28 Eric Christopher <echristo@apple.com>
3091 * config/darwin-c.c (darwin_ms_struct): Move this
3092 (darwin_set_default_type_attributes): and this...
3093 * config/darwin.c: ... here.
3094 * config/darwin.h (darwin_ms_struct): Declare.
3096 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3100 2006-04-28 Roger Sayle <roger@eyesopen.com>
3103 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3104 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3105 an unsigned HOST_WIDE_INT.
3106 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3108 (really_start_incremental_init): No need to call convert because
3109 bitsize_zero_node is already of type bitsizetype.
3110 (push_init_level): Extract the value of constructor_index as an
3111 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3112 (process_init_element): Likewise.
3114 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3116 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3117 value before passing to make_relative_prefix.
3119 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3122 * builtins.c (expand_builtin_memset): Expand val in original mode.
3124 2006-04-27 Eric Christopher <echristo@apple.com>
3126 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3127 with #ifndef/#endif.
3128 * config/darwin-c.c (darwin_ms_struct): New.
3129 (darwin_pragma_ms_struct): Ditto.
3130 (darwin_set_default_type_attributes): Ditto.
3131 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3132 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3133 Register ms_struct pragma.
3134 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3135 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3136 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3137 darwin_set_default_type_attributes if TARGET_MACHO.
3139 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3141 PR tree-optimization/26854
3142 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3143 * doc/tree-ssa.texi: Update immuse iterator documentation.
3144 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3145 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3146 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3147 first_safe_imm_use, next_safe_imm_use): Remove.
3148 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3149 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3150 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3151 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3152 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3153 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3154 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3155 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3156 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3157 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3158 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3159 (perfect_nestify): Use new iterator.
3160 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3162 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3163 (next_imm_name): New field in struct immediate_use_iterator_d.
3164 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3165 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3166 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3167 * tree-cfg.c (replace_uses_by): Use new iterator.
3168 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3169 * tree-ssa-operands.c (correct_use_link): Remove.
3170 (finalize_ssa_use_ops): No longer call correct_use_link.
3172 2006-04-27 Stuart Hastings <stuart@apple.com>
3174 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3175 * config/t-darwin (crt3.o): Use it.
3176 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3177 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3178 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3179 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3180 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3183 2006-04-27 Roger Sayle <roger@eyesopen.com>
3185 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3186 size, force the intermediate into a new pseudo rather instead of
3187 performing both a bitwise AND and a bitwise IOR in memory.
3189 2006-04-27 Richard Guenther <rguenther@suse.de>
3191 PR rtl-optimization/26685
3192 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3193 this one "max-flow-memory-locations".
3195 2006-04-27 Richard Guenther <rguenther@suse.de>
3197 PR tree-optimization/25148
3198 * tree-vrp.c (compare_values): Remove code dealing with
3199 comparisons against type min/max value. Honour overflow
3200 and negative constants in code dealing with comparisons
3201 of plus and minus expressions.
3202 (value_inside_range): Use fold_binary with LE_EXPR and
3203 GE_EXPR rather than compare_values.
3205 2006-04-27 Dirk Mueller <dmueller@suse.de>
3207 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3210 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3212 * basic-block.h (safe_insert_insn_on_edge): Removed.
3213 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3215 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3216 Paolo Bonzini <bonzini@gnu.org>
3219 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3220 (simplify_and_const_int): Same.
3222 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3224 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3226 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3229 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3230 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3231 cgraph_global_info_ready.
3234 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3237 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3238 either decl or init is error_mark_node.
3241 * tree-flow.h (struct omp_region): Add sched_kind.
3242 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3243 instead of extracting omp for data.
3244 (expand_omp_for): Save extracted sched_kind.
3246 2006-04-25 Roger Sayle <roger@eyesopen.com>
3248 * expmed.c (store_bit_field): Also check whether the bitsize is
3249 valid for the machine's "insv" instruction before moving the
3250 target into a pseudo for use with the insv.
3251 * config/i386/predicates.md (const8_operand): New predicate.
3252 * config/i386/i386.md (extv, extzv, insv): Use the new
3253 const8_operand predicate where appropriate.
3255 2006-04-25 DJ Delorie <dj@redhat.com>
3257 * doc/install.texi (Specific): Clarify that this is not a list of
3258 supported hosts or targets.
3260 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3262 PR rtl-optimization/26725
3263 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3264 block's BB_DIRTY flag.
3266 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3268 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3271 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3272 to print an integer.
3274 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3276 * varasm.c (align_variable): New function.
3277 (get_block_for_decl): Apply align_variable to DECL before
3278 calculating section information.
3279 (assemble_variable): Split out alignment computation.
3281 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3283 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3286 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3288 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3289 MODE_PARTIAL_INT mode.
3290 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3291 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3293 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3294 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3296 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3298 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3300 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3301 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3302 MACFLAG_IH): Likewise.
3303 (movstricthi_1): Renamed from "*movstricthi".
3304 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3305 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3306 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3307 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3308 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3309 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3310 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3311 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3312 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3313 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3314 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3315 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3316 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3317 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3318 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3320 * doc/rtl.texi (ss_ashift): Improve wording.
3322 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3324 * dwarf2out.c (verify_marks_clear): New.
3325 (prune_unused_types): Call verify_marks_clear initially, not
3328 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3330 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3331 * doc/rtl.texi: Document them.
3332 * simplify-rtx.c (simplify_unary_operation,
3333 simplify_binary_operation_1): Don't abort when we see them.
3335 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3338 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3339 * configure.ac: Completely disregard languages that are not
3341 * configure: Regenerated.
3343 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3344 Richard Guenther <rguenther@suse.de>
3346 PR tree-optimization/27236
3347 * tree-inline.c (copy_body_r): Make sure to copy
3348 TREE_THIS_VOLATILE flag.
3350 2006-04-24 Richard Guenther <rguenther@suse.de>
3353 * tree-complex.c (update_parameter_components): Don't handle
3354 unused parameters which have no default def.
3356 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3357 Richard Guenther <rguenther@suse.de>
3359 PR tree-optimization/27218
3360 * tree-inline.c (expand_call_inline): Strip useless type
3361 conversions for the return slot address.
3363 2006-04-24 Richard Guenther <rguenther@suse.de>
3365 * cfgloop.h (struct loops): Remove unused field array. Reorder
3367 (LOOP_PREFETCH): Remove.
3369 2006-04-24 Richard Guenther <rguenther@suse.de>
3371 PR tree-optimization/22525
3372 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3373 variable, adjust types of generated expressions.
3375 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3377 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3378 (tree-vect-patterns.o): Likewise.
3380 (cselib.o): Likewise.
3381 (loop-doloop.o): Likewise.
3382 (regclass.o): Likewise.
3383 (reload1.o): Likewise.
3384 (explow.o): Replace target.h with $(TARGET_H).
3385 (ipa-prop.o): Likewise.
3386 (ipa-cp.o): Likewise.
3387 (ipa-inline.o): Likewise.
3388 (reorg.o): Likewise.
3389 (reg-stack.o): Likewise.
3391 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3393 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3395 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3397 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3399 * configure.ac: Completely disregard languages that are not
3401 * configure: Regenerated.
3404 * c-common.h (c_build_bitfield_integer_type): Declare.
3405 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3406 * c-common.c (c_build_bitfield_integer_type): ... here.
3408 2006-04-23 Roger Sayle <roger@eyesopen.com>
3411 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3412 a SImode SUBREG of a floating point register after no_new_pseudos.
3414 2006-04-23 Roger Sayle <roger@eyesopen.com>
3416 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3417 identify potentially eliminable registers to additionally catch
3418 VIRTUAL_INCOMING_ARGS_REGNUM.
3419 (addsi3): Update the conditions on when to use addsi_small_int.
3421 2006-04-23 Roger Sayle <roger@eyesopen.com>
3424 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3425 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3426 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3428 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3430 * fold-const.c (range_predecessor): Use operand_equal_p
3431 as the predicate for equality.
3432 (range_successor): Likewise.
3434 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3437 * config/soft-fp/op-common.h: Fix a typo.
3439 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3442 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3443 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3445 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3447 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3449 * doc/tm.texi: Fix a typo.
3451 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3453 * dwarf2out.c (struct die_struct): Document that die_sib makes
3454 a circular linked list.
3455 (FOR_EACH_CHILD): New.
3456 (reverse_die_lists): Delete.
3457 (reverse_all_dies): Delete.
3458 (add_dwarf_attr): Correct documentation.
3459 (remove_child_with_prev): New.
3460 (remove_child_TAG): Update for change to die_struct, use
3461 remove_child_with_prev.
3462 (add_child_die): Update for change to die_struct.
3463 (splice_child_die): Use remove_child_with_prev and add_child_die.
3464 (print_die): Use FOR_EACH_CHILD.
3465 (die_checksum): Likewise.
3466 (assign_symbol_names): Likewise.
3467 (output_location_lists): Likewise.
3468 (build_abbrev_table): Likewise.
3469 (calc_die_sizes): Likewise.
3470 (mark_dies): Likewise.
3471 (unmark_dies): Likewise.
3472 (unmark_all_dies): Likewise.
3473 (output_die): Likewise.
3474 (prune_unused_types_mark): Likewise.
3475 (prune_unused_types_walk): Likewise.
3476 (same_die_p): Update for change to die_struct.
3477 (break_out_includes): Likewise.
3478 (prune_unused_types_prune): Likewise.
3479 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3480 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3482 (dwarf2out_finish): Don't call reverse_all_dies.
3484 2006-04-21 Eric Christopher <echristo@apple.com>
3486 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3487 in comments and function names.
3489 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3492 * c-typeck.c (digest_init): Robustify.
3494 * c-typeck.c (pop_init_level): Simplify.
3496 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3498 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3500 2006-04-21 Paul Brook <paul@codesourcery.com>
3502 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3503 hardware floating point.
3505 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3507 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3510 2006-04-21 Nick Clifton <nickc@redhat.com>
3512 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3515 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3518 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3519 C++ lang type in traceback table for Objective-C++.
3521 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3523 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3525 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3527 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3530 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3531 were errors. Remove check for erroneous objects.
3533 2006-04-20 Jeff Law <law@redhat.com>
3535 PR tree-optimization/26854
3536 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3537 checking for zero or one use.
3538 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3539 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3540 * tree-ssa-reassoc.c (negate_value): Similarly.
3541 (reassociate_bb): Similarly.
3543 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3545 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3546 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3547 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3549 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3551 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3552 fp regs if the last fp arg doesn't fit in regs.
3554 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3557 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3558 that the last insn has the REG_INC note.
3560 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3561 Nathan Sidwell <nathan@codesourcery.com>
3564 * stor-layout.c (update_alignment_for_field): Do not align
3566 (place_union_field): Place union field at the start of the union.
3567 (place_field): Move ERROR_MARK check later, and use the current
3568 allocation position to maintain monotonicity.
3570 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3572 * dominance.c: Include timevar.h.
3573 (calculate_dominance_info): Use TV_DOMINANCE.
3574 * timevar.def (TV_DOMINANCE): New timevar.
3575 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3577 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3579 PR rtl-optimization/14261
3580 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3581 move would be an INSV insn.
3582 (noce_process_if_block): Don't optimize if the destination is a
3583 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3585 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3587 * config/s390/s390.md: Add comments with the instructions emitted
3588 by an insn pattern if macros are used.
3590 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3592 PR rtl-optimization/26026
3593 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3594 is a known power of two shifted left a variable amount.
3596 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3598 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3599 to hash table twice when the debug_str section has SECTION_MERGE.
3601 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3603 * config/soft-fp: New directory. From glibc.
3604 * config/soft-fp/t-softfp: New.
3605 * config/soft-fp/README: New.
3606 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3607 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3608 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3609 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3610 * config.gcc: Use rs6000/t-fprules-fpbit or
3611 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3613 * config/rs6000/sfp-machine.h: New. Based on glibc.
3614 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3616 * config/rs6000/t-fprules: Remove fp-bit rules.
3617 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3618 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3619 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3620 (softfp_wrap_start, softfp_wrap_end): New.
3622 2006-04-18 DJ Delorie <dj@redhat.com>
3624 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3626 2006-04-18 Devang Patel <dpatel@apple.com>
3628 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3630 2006-04-18 Nick Clifton <nickc@redhat.com>
3632 * config/sh/t-symbian: Add rule to build sh-c.o
3633 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3634 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3635 (sh_symbian_encode_section_info): Likewise.
3637 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3639 * builtins.c (expand_builtin_strcmp): Cover label definition of
3640 do_libcall with HAVE_cmpstrnsi.
3642 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3644 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3646 * function.h (temp_slot_p): New.
3647 (function): Change the type of x_used_temp_slots to
3648 VEC(temp_slot_p,gc) *.
3650 2006-04-18 Nick Clifton <nickc@redhat.com>
3652 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3653 flag_strength_reduce.
3655 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3657 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3661 Partial revert of revision 112637
3662 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3663 Dale Johannesen <dalej@apple.com>
3666 * regclass.c (struct reg_pref): Update documentation.
3667 (regclass): Set prefclass to NO_REGS if memory is the best option.
3668 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3670 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3672 PR tree-optimization/26821
3673 * tree-ssa-math-opts.c (get_constant_one): New.
3674 (insert_reciprocals): Use it.
3676 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3678 * dwarf2out.c (free_AT): Delete.
3679 (remove_AT): Update string ref counts.
3680 (remove_child_TAG): Don't call free_die.
3682 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3683 or DW_TAG_GNU_EINCL.
3684 (prune_unused_types_walk_attribs): Reset string refcounts.
3685 (prune_unused_types_update_strings): New.
3686 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3687 call free_die. Do call prune_unused_types_update_strings.
3688 (prune_unused_types): Empty debug_str_hash.
3690 2006-04-17 Roger Sayle <roger@eyesopen.com>
3692 * expr.c (expand_assignment): Optimize away no-op moves where the
3693 source and destination are equal and have no side-effects.
3695 2006-04-17 Richard Guenther <rguenther@suse.de>
3698 * reload.c (push_reload): Guard calls to get_secondary_mem
3701 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3703 * alias.c (reg_base_value, old_reg_base_value): Change the
3704 type to VEC(rtx,gc) *.
3705 (REG_BASE_VALUE, find_base_value, record_set,
3706 init_alias_analysis): Use VEC instead of VARRAY.
3708 * alias.c (alias_sets): Change the type to
3709 VEC(alias_set_entry,gc) *.
3710 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3711 VEC instead of VARRAY.
3712 (last_alias_set): Remove.
3714 * cgraph.h (cgraph_edge_p): New.
3715 Update the prototype of cgraph_function_versioning.
3716 * cgraphunit.c (cgraph_copy_node_for_versioning,
3717 cgraph_function_versioning): Use VEC instead of VARRAY.
3718 * ipa-cp.c (ipcp_insert_stage): Likewise.
3720 2006-04-16 Roger Sayle <roger@eyesopen.com>
3723 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3724 "A op B" or "A op C", we may need to convert A to the type of B and C.
3726 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3728 * target.h (struct gcc_target): Add mode_rep_extended.
3729 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3730 (init_num_sign_bit_copies_in_rep): Initialize it using
3732 (truncate_to_mode): Use it.
3733 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3734 * targhooks.h (default_mode_rep_extended): Declare it.
3735 * targhooks.c (default_mode_rep_extended): Define it.
3736 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3737 default_mode_rep_extended.
3738 (TARGET_INITIALIZER): Include it.
3739 * doc/tm.texi (Misc): Document it.
3740 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3741 (mips_truncated_to_mode): New function.
3743 2006-04-16 Roger Sayle <roger@eyesopen.com>
3746 * expr.c (compress_float_constant): Copy the narrow constant into
3747 a new pseudo before extending it to its final width.
3749 2006-04-16 Roger Sayle <roger@eyesopen.com>
3750 Andrew Pinski <pinskia@gcc.gnu.org>
3751 Dale Johannesen <dalej@apple.com>
3754 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3755 special case code to implement V8HImode and V16QImode with SSE2.
3757 2006-04-15 Roger Sayle <roger@eyesopen.com>
3759 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3760 trees are constructed with a suitable tree type.
3762 2006-04-15 Roger Sayle <roger@eyesopen.com>
3764 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3765 (integer_onep): Likewise.
3766 (integer_all_onesp): Likewise.
3767 (integer_pow2p): Likewise.
3768 (integer_nonzerop): Likewise.
3769 (real_zerop): Likewise.
3770 (real_onep): Likewise.
3771 (real_twop): Likewise.
3772 (real_minus_onep): Likewise.
3773 (int_size_in_bytes): Likewise.
3774 (host_integerp): Likewise.
3776 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3778 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3779 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3780 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3782 * tree-ssa-structalias.h (alias_info): Remove num_references.
3784 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3786 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3787 (output_bvb patterns): Likewise.
3788 * pa.c (output_bb): Use 'bb' insn for long branch case.
3789 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3790 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3791 1. Correct length operand for alternatives 1 and 2.
3792 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3793 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3795 2006-04-14 Roger Sayle <roger@eyesopen.com>
3797 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3798 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3799 were accidentally reverted by r112959.
3801 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3804 * except.h (eh_region_outermost): New prototype.
3805 * except.c (eh_region_outermost): New function.
3806 * tree-cfg.c (find_outermost_region_in_block): Use it.
3808 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3810 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3812 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3813 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3814 (init_reload, reload): Use VEC instead of VARRAY.
3815 * reload.h: Update the prototype for
3816 reg_equiv_memory_loc_varray.
3818 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3819 Eric Botcazou <ebotcazou@libertysurf.fr>
3821 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3824 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3827 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3828 to expand fallback builtin function call.
3830 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3833 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3834 and emit libcall here in case the builtin fails.
3835 (expand_builtin_strcmp): Always emit the libcall here on failure.
3837 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3839 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3840 * flow.c (reg_n_info): Change the type to
3841 VEC(reg_info_p,heap) *.
3842 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3844 * regs.h (reg_info_p): New.
3845 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3846 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3847 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3850 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3852 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3854 * params.h (MAX_SCHED_READY_INSNS): New macro.
3855 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3856 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3857 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3858 the ready list for 1 cycle during the first scheduling pass.
3859 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3861 2006-04-13 Richard Henderson <rth@redhat.com>
3864 * gimple-low.c (lower_omp_directive): Remove dead code.
3865 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3866 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3867 * omp-low.c (struct omp_region): Move to tree-flow.h.
3868 (root_omp_region): Export.
3869 (omp_regions, lookup_omp_region): Remove.
3870 (determine_parallel_type): Update for struct omp_region changes.
3871 (dump_omp_region): Dump regions with block numbers.
3872 (new_omp_region): Take type and block instead of stmt; malloc
3874 (free_omp_region_1, free_omp_regions): New.
3875 (expand_parallel_call): Take entry_stmt as argument; update for
3876 changes to omp_region.
3877 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3878 (remove_exit_barriers): New.
3879 (expand_omp_parallel): Update for struct omp_region changes.
3880 (expand_omp_synch): Likewise.
3881 (expand_omp): Likewise.
3882 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3883 (expand_omp_for_static_chunk): Likewise.
3884 (expand_omp_for): Likewise.
3885 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3886 (expand_omp_sections): Similarly, with GOMP_sections_end.
3887 (expand_omp_single): New.
3888 (build_omp_regions_1): Update for OMP_CONTINUE.
3889 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3890 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3891 OMP_SECTIONS_SECTIONS.
3892 (lower_omp_single_simple): Don't emit barrier here.
3893 (lower_omp_single_copy): Likewise.
3894 (lower_omp_single): Fix bindings, and lower to straightline now.
3895 (lower_omp_master, lower_omp_ordered): Likewise.
3896 (lower_omp_critical): Likewise.
3897 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3898 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3899 omp edges, free it afterward.
3900 (make_omp_sections_edges): Remove.
3901 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3902 (move_stmt_r): Handle OMP_CONTINUE.
3903 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3904 statement pointers to basic blocks. Add type member.
3905 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3906 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3907 * tree-inline.c (estimate_num_insns_1): Likewise.
3908 * tree-pretty-print.c (dump_generic_node): Likewise.
3909 * tree-ssa-operands.c (get_expr_operands): Likewise.
3910 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3911 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3912 (OMP_CONTINUE): New.
3913 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3914 (OMP_SECTIONS_SECTIONS): Remove.
3915 (OMP_SECTION_LAST): New.
3916 (OMP_RETURN_NOWAIT): New.
3918 2006-04-13 Roger Sayle <roger@eyesopen.com>
3920 * fold-const.c (native_encode_vector, native_interpret_real):
3921 Correct obvious mistakes in the previous check-in.
3923 2006-04-13 Roger Sayle <roger@eyesopen.com>
3925 * fold-const.c (native_encode_expr): New function to encode
3926 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3927 or VECTOR_CST into a specified buffer.
3928 (native_encode_int): New function.
3929 (native_encode_real): New function.
3930 (native_encode_complex): New function.
3931 (native_encode_vector): New function.
3932 (native_interpret_expr): Inverse of native_encode_expr to convert
3933 a target representation into an INTEGER_CST, REAL_CST etc...
3934 (native_interpret_int): New function.
3935 (native_interpret_real): New function.
3936 (native_interpret_complex): New function.
3937 (native_interpret_vector): New function.
3938 (fold_view_convert_expr): New function to constant fold/evaluate
3939 a VIEW_CONVERT_EXPR of a suitable constant expression.
3940 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3941 Change call of build1 to fold_build1 when constructing a
3944 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3945 Ulrich Weigand <uweigand@de.ibm.com>
3948 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3951 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3954 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3955 optimize to lo_sum for DFmode if !TARGET_FPRS.
3957 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3959 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3960 delete_alias_info, compute_flow_sensitive_aliasing,
3961 group_aliases): Use VEC instead of VARRAY.
3962 * tree-ssa-structalias.c (update_alias_info): Likewise.
3963 * tree-ssa-structalias.h (alias_info): Change the type of
3964 processed_ptrs to VEC(tree,heap) *.
3966 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3969 * config/sh/lib1funcs.h: New file, broken out of:
3970 * config/sh/lib1funcs.asm.
3971 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3973 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3974 * config/sh/lib1funcs-Os-4-200.asm: New file.
3975 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3976 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3977 (EXTRA_MULTILIB_PARTS): Include it.
3978 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3979 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3980 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3981 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3984 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3986 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3987 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3988 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3990 * tree-ssa-live.h: Include vecprim.h.
3991 (tree_partition_associator_d): Change the type of
3992 first_partition to VEC(int,heap) *.
3993 (tpa_first_partition): Use VEC instead of VARRAY.
3995 * Makefile.in (GTFILES): Move functions.h after tree.h.
3996 * function.c (reset_block_changes, record_block_change,
3997 check_block_change, free_block_changes): Use VEC instead of
3999 * function.h (function): Change the type of
4000 ib_boundaries_block to VEC(tree,gc) *.
4001 * tree-inline.c (copy_cfg_body): Initialize
4002 ib_boundaries_block to NULL instead of (varray_type) 0.
4004 2006-04-12 Roger Sayle <roger@eyesopen.com>
4006 * expr.c (emit_group_store): Correct operand order in call to
4007 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4008 a SUBREG_BYTE of zero.
4010 2006-04-12 Richard Guenther <rguenther@suse.de>
4012 * profile.c (compute_branch_probabilities): Remove code
4013 encapsulated in !ir_type (), which are remanents of the
4014 removed RTL profiling code.
4015 * rtl-profile.c: Remove.
4017 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4019 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4020 magic NULL_RTX comment.
4021 (function_arg): Store entire fp arg to mem if any part should go
4023 (rs6000_arg_partial_bytes): Adjust for above change.
4025 2006-04-11 Roger Sayle <roger@eyesopen.com>
4027 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4028 if it hasn't been initialized by dwarf2out_init.
4030 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4032 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4033 symbolic constants in branch patterns.
4035 2006-04-11 Roger Sayle <roger@eyesopen.com>
4037 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4039 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4041 PR rtl-optimization/27073
4042 * gcse.c (try_replace_reg): Revert last change. Continue to search
4043 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4046 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4048 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4049 aggregate types other than record and union types.
4050 (function_arg): Likewise.
4051 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4053 (function_value): In 64-bit mode, return objects that require it
4056 2006-04-11 Roger Sayle <roger@eyesopen.com>
4058 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4060 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4062 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4064 2006-04-03 Jeff Law <law@redhat.com>
4067 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4068 alias information too.
4070 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4072 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4074 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4077 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4078 (premark_used_types_helper): New.
4079 (premark_used_types): New.
4080 (gen_subprogram_die): Call premark_used_types.
4081 (prune_unused_types_walk): Do not prune perennial dies.
4082 * function.c (used_types_insert): New.
4083 * function.h (struct function): Add used_types_hash field.
4084 (used_types_insert): Add prototype.
4085 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4086 * c-parser.c (c_parser_cast_expression): Save casted types in used
4089 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4092 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4093 rs6000_explicit_options.float_gprs.
4095 2006-04-10 Roger Sayle <roger@eyesopen.com>
4097 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4098 from ix86_expand_vector_init_low_nonzero. Take an additional
4099 one_var argument indicating which element is non-zero. Support
4100 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4101 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4102 with one_var instead of ix86_expand_vector_init_low_nonzero.
4104 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4106 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4107 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4108 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4109 build/genextract.o): Depend on vecprim.h.
4110 * cfglayout.c, df-problems.c, function.c, genextract.c,
4111 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4112 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4116 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4118 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4119 Declare VECs of this type.
4120 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4121 (remove_children): Delete.
4122 (add_dwarf_attr): Use VEC routines.
4123 (add_AT_flag): Update for changes to add_dwarf_attr.
4124 (add_AT_int): Likewise.
4125 (add_AT_unsigned): Likewise.
4126 (add_AT_long_long): Likewise.
4127 (add_AT_vec): Likewise.
4128 (add_AT_string): Likewise.
4129 (add_AT_die_ref): Likewise.
4130 (add_AT_fde_ref): Likewise.
4131 (add_AT_loc): Likewise.
4132 (add_AT_loc_list): Likewise.
4133 (add_AT_addr): Likewise.
4134 (add_AT_lbl_id): Likewise.
4135 (add_AT_lineptr): Likewise.
4136 (add_AT_macptr): Likewise.
4137 (add_AT_offset): Likewise.
4138 (add_AT_range_list): Likewise.
4139 (get_AT): Use VEC_iterate.
4140 (remove_AT): Use VEC_ordered_remove.
4141 (free_die): Fold remove_children into here; have it use VEC_iterate.
4142 (print_die): Use VEC_iterate on attrs.
4143 (reverse_die_lists): Don't reverse attr lists.
4144 (die_checksum): Use VEC_iterate on attrs.
4145 (same_die_p): Likewise.
4146 (output_location_lists): Likewise.
4147 (build_abbrev_table): Likewise.
4148 (size_of_die): Likewise.
4149 (unmark_all_dies): Likewise.
4150 (output_abbrev_section): Likewise.
4151 (output_die): Likewise.
4152 (prune_unused_types_walk_attribs): Likewise.
4154 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4156 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4158 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4161 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4163 2006-04-09 Roger Sayle <roger@eyesopen.com>
4165 * expr.c (store_constructor): Don't bother clearing target if
4166 we're about to assign a vector to it using vec_init_optab.
4168 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4170 * tree-ssa-alias.c (lhs_may_store_to): New function.
4171 (recalculate_used_alone): Handle LHS of calls.
4173 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4177 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4178 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4179 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4180 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4181 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4182 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4183 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4184 stubs. Add ".align 8" directives before all ".dword" directives.
4185 (GTHREAD_USE_WEAK): Revise comment.
4186 (TARGET_ATTRIBUTE_WEAK): Define.
4187 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4188 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4189 * stublib.c: New file.
4194 * pa.md (cbranch patterns): Revise arguments used in calls to
4195 output_cbranch, output_bb and output_bvd. Add long branch length
4197 (fbranch patterns): Handle long branches.
4198 (jump): Revise length check. Revise arguments for output_lbranch call.
4199 Add long branch length attributes.
4200 (decrement_and_branch_until_zero): Add long branch length attributes.
4201 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4202 Likewise. Revise arguments for output_parallel_addb and
4203 output_parallel_movb calls.
4204 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4205 output_parallel_movb and output_parallel_addb): Update prototypes.
4206 * pa.c (output_cbranch): Revise arguments. Correct handling of
4207 nullification in long branches.
4208 (output_lbranch): Add new argument to control extraction of delay
4210 (output_bb): Handle long branches.
4211 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4212 output_parallel_addb): Likewise.
4214 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4216 PR rtl-optimization/27073
4217 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4220 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4222 * tree.h (tree_memory_tag): Add old_used_alone.
4223 (SMT_OLD_USED_ALONE): New macro.
4224 * tree-ssa-alias.c (recalculate_used_alone): Stop
4225 marking things for renaming unnecessarily.
4227 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4229 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4230 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4231 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4232 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4233 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4234 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4235 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4236 spelling convensions.
4237 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4238 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4239 typos. Follow spelling conventions.
4241 2006-04-07 DJ Delorie <dj@redhat.com>
4243 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4244 passed on the stack.
4245 (m32c_init_cumulative_args): When a function returns a structure,
4246 always pass the pointer to that return area on the stack.
4247 (m32c_function_arg_advance): Don't increment the parameter number
4248 if we're processing the returned structure pointer.
4249 (pushm_info): Reverse order of registers.
4251 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4253 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4254 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4255 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4256 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4258 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4259 chrec_fold_multiply): Same.
4260 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4261 force_expr_to_var_cost): Same.
4262 * tree-mudflap.c (mf_xform_derefs_1): Same.
4263 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4265 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4267 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4268 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4271 2006-04-07 Jan Hubicka <jh@suse.cz>
4273 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4275 2006-04-07 Richard Guenther <rguenther@suse.de>
4277 PR tree-optimization/26135
4278 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4279 loads for store copy-prop.
4280 (copy_prop_visit_stmt): Likewise.
4282 2006-04-05 Robert Millan <robertmh@gnu.org>
4284 * config/i386/linux.h: Add a comment to mark macros that are
4285 being overriden in config/k*bsd-gnu.h.
4286 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4288 * config/knetbsd-gnu.h: Ditto.
4290 2006-04-06 Jan Hubicka <jh@suse.cz>
4294 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4297 2006-04-06 Mike Stump <mrs@apple.com>
4299 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4300 for HAVE_nonlocal_goto to be consistent.
4301 (expand_builtin_nonlocal_goto): Likewise.
4302 (expand_builtin_strcmp): Use #ifdef instead of #if
4303 for HAVE_cmpstrnsi to be consistent.
4305 2006-04-05 DJ Delorie <dj@redhat.com>
4307 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4310 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4312 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4313 got-relative addressing for anything but SImode.
4315 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4316 even if the calling function doesn't modify them.
4318 2006-04-05 Richard Guenther <rguenther@suse.de>
4320 PR tree-optimization/26919
4321 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4322 to cgraph_estimate_size_after_inlining.
4324 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4326 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4328 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4330 PR tree-optimization/26996
4331 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4332 VECTOR_TYPE variables.
4334 2006-04-05 Richard Guenther <rguenther@suse.de>
4336 PR tree-optimization/26763
4337 * fold-const.c (fold_comparison): Move folding of
4338 PTR + CST CMP PTR + CST ...
4339 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4341 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4343 * doc/install.texi (Prerequisites): Refine some wording on
4344 bootstrapping and ksh.
4345 Move the version numbers of DejaGnu here from the testing section
4346 and fix casing of names.
4347 Fix markup and clarify wording for autogen requirements.
4348 Refer to GCJ instead of just java.
4349 Refer to SVN instead of CVS.
4350 Describe diffutils as useful instead of necessary.
4351 (Downloading the source): Refer to SVN instead of CVS.
4352 Adjust a link to our web site accordingly.
4353 (Configuration): Fix casing of Bison.
4354 (Building): Refer to SVN instead of CVS.
4355 Fix a sentence on the use of Bison and remove duplicate (and
4356 incorrect) version number of Bison requirement.
4357 Remove one redundant list of packages needed for building.
4358 (Specific): Avoid reference to CVS.
4360 2006-04-04 Eric Christopher <echristo@apple.com>
4362 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4363 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4364 (rs6000_handle_struct_attribute): New.
4365 (rs6000_ms_bitfield_layout_p): Ditto.
4367 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4369 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4370 NULL for dso parameter to atexit_common.
4372 2006-04-04 Eric Christopher <echristo@apple.com>
4374 * config/i386/i386.c (machopic_output_stub): Output \t
4375 between instructions and operands.
4377 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4379 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4380 satisfies_constraint_[IL] to explicit tests on value.
4382 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4384 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4385 set_nb_iterations_in_loop): Use build_int_cst instead of
4387 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4388 build_int_cst instead of convert.
4390 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4392 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4393 new value 2 for incoming.
4394 * function.c (expand_function_start): Call struct_value_rtx
4396 * config/sparc/sparc.md: Comment updated_return.
4397 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4398 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4399 struct return if sparc_std_struct_return and incoming is 2.
4400 (print_operand): Do not adjust return if
4401 sparc_std_struct_return.
4403 2006-04-04 Roger Sayle <roger@eyesopen.com>
4405 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4406 convert in the middle-end.
4407 * expr.c (store_expr, store_constructor, get_inner_reference,
4408 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4410 * tree.c (build_range_type): Likewise.
4412 2006-04-04 Tom Tromey <tromey@redhat.com>
4414 * doc/install.texi (Prerequisites): Mention jar.
4416 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4418 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4421 2006-04-04 Matthias Klose <doko@debian.org>
4423 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4424 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4427 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4429 * doc/extend.texi (Function Attributes): Rewrite visibility
4430 attribute documentation.
4431 * doc/invoke.texi (C++ Dialect Options): Rewrite
4432 -fvisibility-inlines-hidden documentation to describe something
4433 entirely different, although in practise compatible.
4434 (Code Gen Options): Warn about system headers in -fvisibility=
4437 * doc/extend.texi (Other Builtins): Document that
4438 __builtin_nan is a compile-time constant only when its argument
4441 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4443 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4444 trying to remove TRUNCATE check if all bits outside the new mode
4445 are identical to the sign bit.
4447 2006-04-03 Jeff Law <law@redhat.com>
4449 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4450 and operand scanning in some common cases.
4452 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4453 Dale Johannesen <dalej@apple.com>
4456 * regclass.c (struct reg_pref): Update documentation.
4457 (regclass): Set prefclass to NO_REGS if memory is the best option.
4458 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4459 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4460 into account. For non-registers, equate an empty preferred
4461 reload class to a `!' in the constraint; move the if clause to
4462 do so after those that reject the insn.
4463 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4465 (find_dummy_reload): Likewise.
4466 * doc/tm.texi (Register Classes): Document what it means
4467 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4468 * config/i386/i386.c (ix86_preferred_reload_class): Force
4469 using SSE registers (and return NO_REGS for floating-point
4470 constants) if math is done with SSE.
4471 (ix86_preferred_output_reload_class): New.
4472 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4473 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4474 * config/i386/i386.md: Remove # register preferences.
4476 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4479 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4480 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4481 the type of nb_iter.
4482 (instantiate_parameters_1): Convert the operands before calling
4483 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4484 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4486 2006-04-02 Roger Sayle <roger@eyesopen.com>
4488 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4489 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4491 * dojump.c (do_jump): Likewise.
4492 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4493 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4494 gimplify_boolean_expr): Likewise.
4495 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4496 * varasm.c (array_size_for_constructor): Likewise.
4497 * tree-object-size.c (compute_object_offset): Likewise.
4499 2006-04-02 Roger Sayle <roger@eyesopen.com>
4502 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4503 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4505 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4507 PR tree-optimization/26939
4508 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4510 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4512 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4513 at_stmt. Convert the type of operands before calling
4514 build_polynomial_chrec.
4515 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4517 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4518 (instantiate_parameters_1): Convert the type of operands before calling
4519 build_polynomial_chrec.
4520 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4521 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4522 reset_evolution_in_loop): Insert asserts to check the types of the
4524 (chrec_type): Moved...
4525 (eq_evolutions_p): Use operand_equal_p.
4526 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4527 the types of the operands.
4528 (chrec_type): ...here.
4529 * tree-data-ref.c (create_data_ref): Convert the operands before
4530 calling chrec_replace_initial_condition.
4531 (same_access_functions, analyze_subscript_affine_affine,
4532 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4533 (compute_subscript_distance, analyze_ziv_subscript,
4534 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4535 analyze_miv_subscript): Convert the operands before calling
4536 chrec_fold_minus or chrec_fold_plus.
4538 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4540 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4541 the dependence_relations vector.
4542 (compute_data_dependences_for_loop): Adjust call to
4543 compute_all_dependences.
4545 2006-04-01 Roger Sayle <roger@eyesopen.com>
4546 Richard Henderson <rth@redhat.com>
4548 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4549 gimple_boolify on the condition before calling gimplify_expr.
4551 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4553 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4554 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4555 the frame size. Update to use the new macros.
4556 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4557 * config/xtensa/ieee754-df.S: Likewise.
4559 2006-03-31 Richard Henderson <rth@redhat.com>
4561 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4562 (make_edges): ... here. Control fallthru creation with a local
4563 variable. Do not play with fake edges.
4564 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4565 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4568 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4570 * dwarf2.h (DW64_CIE_ID): Define.
4571 * dwarf2out.c (DWARF_CIE_ID): Define.
4572 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4573 length header. Use DWARF_CIE_ID.
4574 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4575 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4577 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4579 * config/sh/linux-atomic.asm: New file.
4580 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4582 2006-03-31 DJ Delorie <dj@redhat.com>
4584 * config/m32c/cond.md: Set condition flags properly throughout.
4585 * config/m32c/minmax.md: Likewise.
4586 * config/m32c/prologue.md: Likewise.
4587 * config/m32c/bitops.md: Likewise.
4588 * config/m32c/muldiv.md: Likewise.
4589 * config/m32c/mov.md: Likewise.
4590 * config/m32c/addsub.md: Likewise.
4591 * config/m32c/m32c.md: Likewise.
4592 * config/m32c/jump.md: Likewise.
4593 * config/m32c/shift.md: Likewise.
4595 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4596 conditionally output the pattern for this.
4597 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4598 (m32c_compare_redundant): New.
4599 (m32c_output_compare): New.
4600 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4602 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4603 dest, not src. Allow other 4-byte modes.
4605 2006-03-30 Denis Chertykov <denisc@overta.ru>
4607 * doc/md.texi: Refer to avr/constraints.md instead of
4610 2006-03-30 Roger Sayle <roger@eyesopen.com>
4612 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4613 signed vs. unsigned comparison failures on some hosts.
4615 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4618 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4619 change to FLOAT_REGS.
4621 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4622 (rs6000_override_options): Use it.
4623 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4624 only for -mabi=spe/no-spe and -mabi=altivec.
4626 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4628 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4631 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4633 * Makefile.in: Rename docdir to gcc_docdir.
4635 2006-03-30 Roger Sayle <roger@eyesopen.com>
4638 * expr.c (emit_group_store): Optimize group stores into a pseudo
4639 register by using a paradoxical subreg to initialize the destination
4640 if the first or last member of the group specifies a "low part".
4642 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4645 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4646 * target.h (struct gcc_target.speculate_insn): Change type of the
4647 second parameter to 'int'.
4648 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4649 the second operand of the DEPS_LIST.
4650 (copy_DEPS_LIST_list): Update reference to the second operand of the
4652 * rtl.h (alloc_DEPS_LIST): Update signature.
4653 * sched-int.h (ds_t): Change typedef to 'int'.
4654 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4656 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4658 * haifa-sched.c (try_ready): Change condition to restore
4659 non-speculative pattern of the instruction.
4660 (process_insn_depend_be_in_spec): Code to keep probability of the
4661 speculative dependence non-decreasing.
4663 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4665 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4666 (single_move_for_movmem): ... this. Also change all uses.
4667 (bfin_expand_strmov): Renamed to...
4668 (bfin_expand_movmem): ... this. Also change all uses.
4669 * config/bfin/bfin.md (movstrsi): Renamed to...
4670 (movstrsi): ...this.
4672 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4674 PR tree-optimization/26830
4676 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4677 (copy_prop_visit_stmt): Remove write-only variable ann.
4678 (init_copy_prop): Check variable loop depth here. Do not simulate
4679 memory-tag and virtual operand PHIs except for store copy prop.
4681 2006-03-30 Richard Guenther <rguenther@suse.de>
4683 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4684 variants with double arguments.
4686 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4688 * genpreds.c (write_tm_constrs_h): Delete variable p.
4689 * genconditions.c (write_header): Add tm-constrs.h to included
4691 * genpeep.c (main): Add toplev.h to included headers.
4692 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4693 (build/genpeep.o): Add toplev.h dependency.
4694 * config/rs6000/constraints.md: Add "W" constraint.
4696 2006-03-29 Roger Sayle <roger@eyesopen.com>
4698 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4699 sizes by correctly testing whether the size fits a host integer.
4700 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4701 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4702 SImode range for the default sizetype and bitsizetype.
4704 2006-03-29 Roger Sayle <roger@eyesopen.com>
4706 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4707 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4708 quickly if the argument is already of the correct type.
4709 Call fold_build1 instead of build1. Tidy up blank lines.
4711 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4713 * genemit.c (main): Add tm-constrs.h to included headers.
4714 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4715 * genpeep.c (main): Add tm-constrs.h to included headers.
4716 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4717 (write_tm_constrs_h): this and write complete file.
4718 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4719 (write_insn_preds_c): Add tm-constrs.h to included headers.
4720 (gen_constrs): New variable.
4721 (parse_option): Parse "-c".
4722 (main): Invoke write_tm_constrs_h.
4723 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4724 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4725 (object_out_file): Add tm-constrs.h dependency.
4726 (insn-emit.o): Same.
4727 (insn-output.o): Same.
4728 (insn-peep.o): Same.
4729 (insn-preds.o): Same.
4730 (insn-recog.o): Same.
4731 (tm-constsr.h): New target.
4732 (s-constrs-h): New target.
4734 * config/rs6000/constraints.md: New file.
4735 * config/rs6000/rs6000.c: Include tm-constrs.h.
4736 (num_insn_constant_wide): Convert to satisfies_constraint.
4737 (rs6000_rtx_costs): Convert to satisfies_constraint.
4738 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4739 (CONST_OK_FOR_LETTER_P): Delete.
4740 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4741 (EXTRA_CONSTRAINT): Delete.
4742 (EXTRA_MEMORY_CONSTRAINT): Delete.
4743 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4744 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4745 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4746 satisfies_constraint.
4748 * config/i386/i386.c: Include tm-constrs.h.
4750 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4752 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4753 * tree-data-ref.c (find_data_references_in_loop,
4754 compute_data_dependences_for_loop): Use pointers to VEC.
4755 (analyze_all_data_dependences): Adjust calls.
4756 * tree-data-ref.h (find_data_references_in_loop,
4757 compute_data_dependences_for_loop): Adjust declarations.
4758 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4759 compute_data_dependences_for_loop.
4761 2006-03-29 Paul Brook <paul@codesourcery.com>
4763 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4766 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4768 PR tree-optimization/26859
4769 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4771 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4772 for the step after fold_convert.
4774 2006-03-29 Paul Brook <paul@codesourcery.com>
4776 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4777 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4779 2006-03-29 Paul Brook <paul@codesourcery.com>
4782 * targhooks.c (default_narrow_bitfield): New fuction.
4783 * targhooks.h (default_narrow_bitfield): add prototype.
4784 * target.h (gcc_target): Add narrow_volatile_bitfield.
4785 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4786 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4787 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4788 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4790 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4792 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4794 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4795 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4796 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4797 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4798 (s390_function_arg_float): Allow SDmode and DDmode values to be
4799 passed in floating point registers.
4800 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4801 check with SCALAR_FLOAT_MODE_P.
4802 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4804 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4806 PR tree-optimization/25985
4807 * tree-ssa-loop-niter.c (number_of_iterations_le,
4808 number_of_iterations_ne): Make comments more precise.
4809 (number_of_iterations_cond): Add only_exit argument. Use the
4810 fact that signed variables do not overflow only when only_exit
4812 (loop_only_exit_p): New.
4813 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4814 number_of_iterations_cond.
4816 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4818 PR tree-optimization/26643
4819 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4822 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4824 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4825 (divsi3_i4_int): Likewise.
4827 2006-03-28 Roger Sayle <roger@eyesopen.com>
4829 * expr.c (emit_group_store): Only create a new pseudo reg if the
4830 quantity it needs to hold isn't already a suitable pseudo.
4832 2006-03-28 Jeff Law <law@redhat.com>
4834 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4835 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4837 2006-03-28 Roger Sayle <roger@eyesopen.com>
4839 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4840 the equivalent ~X & Y, and the symmetry related transformations.
4841 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4842 ~X & Y, and symmetry related transforms.
4844 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4846 Revert my 2006-03-27 patches.
4848 2006-03-28 Roger Sayle <roger@eyesopen.com>
4850 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4851 ~(T1)X, when T1 and T2 are integer types of the same precision
4852 and (T2)X isn't an extension.
4854 2006-03-28 Jeff Law <law@redhat.com>
4856 PR tree-optimization/26796
4857 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4858 need EH edge cleanups rather than purging them immediately.
4859 (eliminate_degenerate_phis): Handle queued EH cleanups.
4861 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4863 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4866 2006-03-27 Roger Sayle <roger@eyesopen.com>
4869 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4870 cast BIT_NOT_EXPR operand to the correct type.
4872 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4874 * tree-loop-linear.c: Don't include varray.h.
4875 (gather_interchange_stats, try_interchange_loops,
4876 linear_transform_loops): Use VEC instead of VARRAY.
4877 * lambda-mat.c: Don't include varray.h.
4878 * tree-chrec.c: Same.
4879 * lambda-trans.c: Same.
4880 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4881 VEC instead of VARRAY.
4882 * tree-vectorizer.h: Idem.
4883 * tree-data-ref.c (dump_data_references,
4884 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4885 initialize_data_dependence_relation, finalize_ddr_dependent,
4886 compute_all_dependences, find_data_references_in_loop,
4887 compute_data_dependences_for_loop, analyze_all_data_dependences,
4888 free_dependence_relation, free_dependence_relations,
4889 free_data_refs): Idem.
4890 * tree-data-ref.h (data_reference_p, subscript_p): New.
4891 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4892 VEC instead of VARRAY.
4893 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4894 (find_data_references_in_loop, compute_data_dependences_for_loop,
4895 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4896 dump_data_dependence_relations, free_dependence_relations,
4897 free_data_refs): Adjust declaration.
4898 (lambda_transform_legal_p): Move declaration here...
4899 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4900 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4901 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4902 vect_analyze_data_refs): Use VEC instead of VARRAY.
4903 * lambda.h (lambda_transform_legal_p): ...from here.
4904 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4905 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4906 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4907 tree-chrec.o): Don't depend on VARRAY_H.
4909 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4911 * rtl.def (Copyright): Update date.
4912 (DEPS_LIST): Change type of the second operand to 'int'.
4913 * target.h (Copyright): Update date.
4914 (struct gcc_target.speculate_insn): Change type of the second parameter
4916 * lists.c (Copyright): Update date.
4917 (alloc_DEPS_LIST): Change signature. Update reference to the second
4918 operand of the DEPS_LIST.
4919 (copy_DEPS_LIST_list): Update reference to the second operand of the
4921 * rtl.h (Copyright): Update date.
4922 (alloc_DEPS_LIST): Update signature.
4923 * sched-int.h (Copyright): Update date.
4924 (ds_t): Change typedef to 'int'.
4925 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4927 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4929 * haifa-sched.c (Copyright): Update date.
4930 (try_ready): Change condition to restore non-speculative pattern
4932 (process_insn_depend_be_in_spec): Code to keep probability of the
4933 speculative dependence non-decreasing.
4935 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4937 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4938 shut up the compiler.
4940 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4942 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4943 to use lib prefix for target.
4944 ($(T)libic_invalidate_array_4-200.a): Likewise.
4945 ($(T)libic_invalidate_array_4a.a): Likewise.
4947 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4948 J"orn Rennecke <joern.rennecke@st.com>
4950 * superh.opt: New file.
4951 * sh.c (boardtype, osruntime): Remove.
4952 * superh.h (SUBTARGET_OPTIONS): Remove.
4953 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4955 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4956 arguments with ^ and/or [].
4958 * config.gcc (sh-*-*): Add quoting to account for quirk of
4960 Replace == with = in enable_incomplete_targets test.
4962 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4963 with MASK_LITTLE_ENDIAN.
4965 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4966 * config/sh/sh.opt: Added to some comments.
4967 * config/sh/superh.h: Removed some chaff.
4969 * config/sh/sh.opt: Add m4-[1234]00* options.
4970 * config/sh/sh.c (sh_handle_option): Likewise.
4971 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4972 (ic_invalidate_array_4-100.o): New rule.
4973 ($(T)libic_invalidate_array_4-100.a): Likewise.
4974 (ic_invalidate_array_4-200.o): Likewise.
4975 ($(T)libic_invalidate_array_4-200.a): Likewise.
4976 (ic_invalidate_array_4a.o): Likewise.
4977 ($(T)libic_invalidate_array_4a.a): Likewise.
4978 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4979 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4981 * config/sh/crt1.asm: Merged in profiling code.
4982 * config/sh/superh.h (STARTFILE_SPEC): Override.
4983 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4984 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4985 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4987 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4988 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4989 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4991 * sh.opt (mpretend-cmove): New option.
4992 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4993 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4994 (movsicc): Add TARGET_PRETEND_CMOVE code.
4996 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4998 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4999 s390_class_max_nregs): New function prototypes.
5000 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5001 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5002 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5003 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5005 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5007 * dwarf2out.c (add_location_or_const_value_attribute): Call
5008 tree_add_const_value_attribute if nothing else works.
5009 (reference_to_unused): New.
5010 (rtl_for_decl_init): Use reference_to_unused to decide whether
5011 to output an initializer.
5013 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5016 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5017 peephole removing spe frob_di_df_2.
5019 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5021 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5022 (subscript_dependence_tester_1): Declared.
5023 (print_dir_vectors, print_dist_vectors): New.
5024 (debug_data_dependence_relation): New.
5025 (dump_data_dependence_relation): Print more details.
5026 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5027 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5028 (save_dist_v, save_dir_v, add_outer_distances,
5029 build_classic_dist_vector_1): New.
5030 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5031 Don't test for lambda_vector_lexico_pos.
5032 (same_access_functions, add_multivariate_self_dist,
5033 add_other_self_distances, dir_from_dist): New.
5034 (build_classic_dir_vector): Replace implementation almost identical to
5035 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5037 (subscript_dependence_tester_1): New.
5038 (subscript_dependence_tester): Handle the lexicographically negative
5039 distance vectors by recomputing the dependence relation.
5040 (compute_affine_dependence): Remove parameter loop_nest_depth.
5041 (compute_self_dependence): Don't call compute_subscript_distance.
5042 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5043 Add a parameter for the loop_nest.
5044 (find_loop_nest_1, find_loop_nest): New.
5045 (compute_data_dependences_for_loop): Compute the loop nest, and give
5046 up if the nest is not well formed.
5047 * tree-data-ref.h (loop_p): New.
5048 (struct data_dependence_relation): Replace size_vect field with
5049 loop_nest, a vec of loops.
5050 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5051 (DDR_LOOP_NEST): New.
5052 (print_dir_vectors, print_dist_vectors,
5053 debug_data_dependence_relation): Declared.
5054 (index_in_loop_nest): New.
5055 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5056 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5059 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5061 * simplify-rtx.c (simplify_relational_operation): Call
5062 simplify_relational_operation_1 even if mode is VOIDmode.
5064 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5066 PR tree-optimization/26804
5067 * tree.h (DECL_CALL_CLOBBERED): New macro.
5068 (tree_decl_common): Add call_clobbered_flag.
5069 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5070 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5071 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5072 (mark_non_addressable): Ditto.
5073 * tree-ssa.c (verify_call_clobbered): New function.
5074 (verify_alias_info): Use it.
5075 * tree-pass.h (pass_reset_cc_flags): New prototype.
5076 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5077 (reset_cc_flags): New function.
5078 * passes.c (init_optimization_passes): Call reset_cc_flags after
5079 initializing referenced_vars.
5081 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5082 Roger Sayle <roger@eyesopen.com>
5085 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5086 to 1.0 for non-real operands. Implement A / A optimization for
5089 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5091 * config/i386/i386.c (size_cost): Correct the comment for
5092 cost of storing fp registers.
5093 (i386_cost): Likewise.
5094 (i486_cost): Likewise.
5095 (pentium_cost): Likewise.
5096 (pentiumpro_cost): Likewise.
5097 (k6_cost): Likewise.
5098 (athlon_cost): Likewise.
5099 (k8_cost): Likewise.
5100 (pentium4_cost): Likewise.
5101 (nocona_cost): Likewise.
5102 (generic64_cost): Likewise.
5103 (generic32_cost): Likewise.
5105 2006-03-24 Denis Chertykov <denisc@overta.ru>
5107 * config/avr/avr-protos.h (extra_constraint): Delete.
5108 (extra_constraint_Q): New declaration.
5109 * config/avr/constraints.md: New file.
5110 * config/avr/avr.md: Include it.
5111 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5112 (TMP_REGNO, ZERO_REGNO): Likewise.
5113 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5114 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5115 (extra_constraint): Delete.
5116 (extra_constraint_Q): Test for memory constraint 'Q'.
5117 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5118 (REG_CLASS_FROM_LETTER): Delete.
5119 (CONST_OK_FOR_LETTER_P): Delete.
5120 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5121 (EXTRA_CONSTRAINT): Delete.
5122 (TMP_REGNO): Delete.
5123 (ZERO_REGNO): Delete.
5125 2006-03-24 Jeff Law <law@redhat.com>
5127 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5128 directly. Call mark_new_vars_to_rename slightly earlier.
5130 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5132 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5134 (gen_compile_unit_die): Use new language types for Objective-C and
5136 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5137 DW_LANG_C_plus_plus.
5140 * config/t-darwin (crt3.o): Work around bug 26840.
5141 * config/darwin-crt3.c: Rewrite.
5142 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5144 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5146 * doc/invoke.texi: Document -femit-class-debug-always
5147 * common.opt: Add -femit-class-debug-always.
5149 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5151 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5152 index and base register.
5153 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5154 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5155 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5156 REGNO_OK_FOR_INDEX_P.
5157 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5159 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5160 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5161 REG_OK_FOR_BASE_P): Definitions removed.
5163 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5166 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5167 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5168 set yet or weren't marked as local yet.
5170 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5172 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5175 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5177 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5178 (rs6000_legitimate_small_data_p): Delete.
5179 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5180 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5181 and make static. Add forward declaration. Update uses.
5182 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5183 of offsettable_memref_p.
5184 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5185 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5187 2006-03-24 Jeff Law <law@redhat.com>
5189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5190 around bug in immediate-use iterator.
5192 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5195 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5196 or __LITTLE_ENDIAN__.
5198 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5200 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5201 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5202 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5203 * config/sh/sh.opt (mdiv=): Amend description.
5204 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5205 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5206 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5207 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5208 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5209 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5210 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5211 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5212 TARGET_DIVIDE_CALL_FP.
5214 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5216 * haifa-sched.c (choose_ready): Fix type of the local variable.
5217 Move local variables. Add comment.
5218 (check_reg_live): Change signature. Make callable from debugger.
5219 * sched-int.h (check_reg_live): Update signature.
5220 * sched-ebb.c (check_reg_live): Update parameters.
5221 * sched-rgn.c (check_reg_live): Ditto.
5222 (region_head_or_leaf_p): Check pointer before dereferencing.
5223 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5224 before reload on optimization levels below 1.
5226 2006-03-23 Richard Henderson <rth@redhat.com>
5228 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5232 * config/alpha/predicates.md (local_symbolic_operand): Reject
5235 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5238 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5239 expressions which have overflowed constants.
5241 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5243 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5245 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5247 * cfgloopmanip.c (create_loop_notes): Removed.
5248 * final.c (final_scan_insn): Do not handle loop notes.
5249 * jump.c (squeeze_notes): Ditto.
5250 * cfglayout.c (skip_insns_after_block,
5251 duplicate_insn_chain): Ditto.
5252 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5254 * cfgloop.h (create_loop_notes): Declaration removed.
5256 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5258 * varasm.c (output_constant_pool): Restore fnname and fndecl
5260 (assemble_start_function): Adjust call accordingly.
5261 (assemble_end_function): Likewise.
5263 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5266 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5269 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5271 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5274 * system.h (ICE_EXIT_CODE): New macro.
5275 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5276 (diagnostic_action_after_output): Likewise.
5277 * gcc.c (fatal_ice): New function.
5278 (execute): Use it instead of fatal.
5279 (fancy_abort): Likewise.
5280 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5282 2006-03-22 Jeff Law <law@redhat.com>
5284 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5285 iv_analyze_result returning false.
5287 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5289 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5291 2006-03-22 Richard Henderson <rth@redhat.com>
5294 * except.c (duplicate_eh_regions_0): New.
5295 (duplicate_eh_region_1): Duplicate the children of the node as
5296 well as the node itself. Link them up properly.
5297 (duplicate_eh_region_2): Merge into ...
5298 (duplicate_eh_regions): ... here. Take copy_region argument, and
5299 copy only a sub-tree if asked. Simplify copying and fixup.
5300 (eh_region_outer_p): New.
5301 * except.h (duplicate_eh_regions): Update decl.
5302 (eh_region_outer_p): Declare.
5303 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5304 (lower_omp_master): Likewise.
5305 (lower_omp_ordered): Likewise.
5306 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5307 (move_stmt_r): Use it to remap labels. Handle recursion vs
5308 remap_decls_p properly.
5309 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5310 (find_outermost_region_in_block): New.
5311 (new_label_mapper): New.
5312 (move_sese_region_to_fn): Copy eh information to the new function
5314 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5316 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5319 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5321 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5322 into shared libraries.
5324 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5326 * doc/md.texi: Refer to i386/constraints.md instead of
5328 * config/i386/constraints.md: New file, extracted from...
5329 * config/i386/predicates.md: ...here.
5330 * config/i386/i386.md: Include constraints.md.
5332 2006-03-21 Jason Merrill <jason@redhat.com>
5334 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5337 * expr.c (init_block_move_fn): Force default visibility.
5338 (init_block_clear_fn): Likewise.
5339 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5340 * targhooks.c (default_external_stack_protect_fail): Likewise.
5342 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5344 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5345 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5346 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5347 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5348 (loadgp): Use mips_current_loadgp_style.
5349 (loadgp_noshared): New pattern.
5350 (sibcall_internal): Use MIPS_CALL.
5351 (sibcall_value_internal): Likewise.
5352 (sibcall_value_multiple_internal): Likewise.
5353 (call_internal): Likewise.
5354 (call_value_internal): Likewise.
5355 (call_value_multiple_internal): Likewise.
5356 (call_split): Use MIPS_CALL and add an 'S' constraint.
5357 (call_value_split): Likewise.
5358 (call_value_multiple_split): Likewise.
5359 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5360 (-mshared): New option.
5361 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5362 (mips_current_loadgp_style): Declare.
5363 * config/mips/mips.c (mips_classify_symbol): Avoid using
5364 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5365 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5366 TARGET_ABSOLUTE_ABICALLS.
5367 (override_options): Adjust comments. Improve the warning that is
5368 issued when -mabicalls and -G are used together.
5369 (mips_file_start): Remove comment.
5370 (mips_current_loadgp_style): New function.
5371 (mips_gnu_local_gp): New variable.
5372 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5374 (mips_output_function_prologue): Use mips_current_laodgp_style.
5375 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5376 the cprestore instruction.
5377 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5378 live for TARGET_ABSOLUTE_ABICALLS.
5379 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5380 (ASM_SPEC): Pass down -mshared and -mno-shared.
5381 (MIPS_CALL): New macro.
5382 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5384 * doc/invoke.texi (-mabicalls): Update documentation.
5385 (-mshared): Document.
5387 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5389 * config/ia64/unwind-hpux.c: New file.
5390 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5392 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5395 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5397 2006-03-21 Jeff Law <law@redhat.com>
5399 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5400 type conversions of a VR_VARYING source to a wider type.
5402 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5404 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5405 tm_file on Solaris 10 and later.
5406 (sparc64-*-solaris2*): Likewise.
5407 (sparc-*-solaris2*): Likewise.
5408 * config/sol26.h: Rename to config/sol2-6.h.
5409 * config/sol2-10.h: New file.
5411 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5414 * tree-ssa-pre.c (create_component_ref_by_pieces):
5417 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5420 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5421 return it immediately.
5423 2006-03-21 Michael Matz <matz@suse.de>
5425 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5427 (remove_arc, add_arc): Update num_out_arcs member.
5428 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5430 (cache_presence): New function.
5431 (compare_states_for_equiv): New function.
5432 (state_is_differed): Don't take number of outargs, adjust callers.
5433 Use new invariant for speeding up.
5434 (init_equiv_class): Create initial classes based on sorted
5436 (partition_equiv_class): Don't track out_arcs_num.
5437 (evaluate_equiv_classes): Call cache_presence on all states and
5440 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5442 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5443 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5444 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5445 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5447 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5448 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5449 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5450 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5451 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5453 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5454 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5455 (REGNO_REG_CLASS): ARGP is in PREGS.
5456 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5458 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5459 to deal with those addresses.
5460 * addresses.h: New file.
5461 * caller-save.c: Include "addresses.h".
5462 (init_caller_save): Use new base_reg_class function.
5463 * rtl-factoring.c: Include "addresses.h".
5464 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5465 * recog.c: Include "addresses.h".
5466 (preprocess_constraints): Use new base_reg_class function.
5467 * regrename.c: Include "addresses.h".
5468 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5469 functions. Keep track of a new var INDEX_CODE to compute valid
5471 (replace_oldest_value_addr): Likewise.
5472 (replace_oldest_value_mem): Use base_reg_class.
5473 * reload.c: Include "addresses.h".
5474 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5475 (find_reloads): Use new base_reg_class function.
5476 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5477 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5478 all callers and prototype changed.
5479 * reload1.c: Include "addresses.h".
5480 (maybe_fix_stack_asms): Use base_reg_class.
5481 * regclass.c: Include "addresses.h".
5482 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5483 (init_reg_autoinc): Use new base_reg_class function.
5484 (record_reg_classes): Likewise.
5485 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5486 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5487 Use new args to compute necessary class.
5489 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5490 regrename.o, rtl-factoring.o): Update dependencies.
5491 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5492 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5493 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5494 REG_OK_FOR_INDEX_P): Delete documentation.
5496 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5498 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5499 from V7 to V9 for Solaris 7 and above.
5501 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5503 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5504 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5505 argument pointers may not alias any other storage.
5506 * common.opt: Define option -fargument-noalias-anything.
5507 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5508 alias semantics is specified by flag_argument_noalias > 2.
5510 2006-03-20 Jeff Law <law@redhat.com>
5512 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5513 (pass_phi_only_cprop): Declare.
5514 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5516 * tree-ssa-dom.c (degenerate_phi_result): New function.
5517 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5518 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5519 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5520 (eliminate_degenerate_phis): Likewise.
5521 (pass_phi_only_cprop): New pass descriptor.
5522 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5523 support code. Callers updated.
5524 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5525 (store_copy_prop): Likewise.
5526 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5528 2006-03-20 Jason Merrill <jason@redhat.com>
5531 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5532 (push_visibility, pop_visibility): Likewise.
5533 * c-pragma.h: Declare them.
5535 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5537 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5539 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5540 parameter and use get_ebb_head_tail.
5541 (sh_md_init_global): Adjust uses of find_regmode_weight.
5543 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5545 * function.h (struct function) <x_tail_recursion_reentry>:
5546 Rename to x_stack_check_probe_note.
5547 (tail_recursion_reentry): Rename to stack_check_probe_note.
5548 * function.c: Replace tail_recursion_reentry with
5549 stack_check_probe_note everywhere.
5550 (expand_function_start): Only emit a note for
5551 stack_check_probe_note with -fstack-protect.
5552 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5554 * emit-rtl.c (remove_unnecessary_notes): Remove.
5555 (pass_remove_unnecessary_notes): Remove.
5556 * rtl.h (remove_unnecessary_notes): Remove prototype.
5557 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5558 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5559 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5561 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5564 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5565 (valid_in_set): Handle ARRAY_REF.
5566 Change "if min_variant or VH" to asserts.
5567 (create_component_ref_by_pieces): Handle ARRAY_REF.
5568 (create_expression_by_pieces): Likewise.
5569 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5571 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5573 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5574 is operand of switch, not str[0].
5576 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5578 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5579 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5581 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5583 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5584 end of insn_extra_address_constraint declaration.
5586 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5588 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5589 (no-sum-in-toc): Same.
5590 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5592 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5593 NO_FP_IN_TOC for -fPIC instead of mask.
5595 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5596 (BOOT_LDFLAGS): Delete.
5598 * config/rs6000/t-aix52: Same.
5600 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5601 (stmsi[345678]_power): New.
5603 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5605 * config/ia64/ia64.opt: Add empty line to end of file.
5607 2006-03-17 Richard Guenther <rguenther@suse.de>
5610 * builtins.c (get_pointer_alignment): For component style references
5611 adjust alignment to the component type alignment. Make sure
5612 to adjust alignment for component access of constants.
5614 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5616 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5619 2006-03-17 Paul Brook <paul@codesourcery.com>
5621 * doc/install.texi: Docuemnt --with-mode.
5622 * config.gcc: Add --with-mode for arm*-*-*.
5623 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5625 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5627 * sh.c (max_labelno_before_reorg): New variable.
5628 (sh_reorg): Initialize it.
5629 (find_barrier): Check max_labelno_before_reorg before using
5630 label_to_alignment. Take length of explicit alignment insns
5631 into account. When seeing a UNSPECV_CONST_END, return it.
5633 * sh.c (fixup_mova): Set mode of affected label to QImode.
5634 (untangle_mova): New function.
5635 (find_barrier): Use it. Check mode of label before decrementing
5637 (sh_reorg): Likewise.
5638 Set mode of all insns back to VOIDmode.
5640 * sh.c (MOVA_LABELREF): New macro.
5641 (mova_p, fixup_mova, sh_reorg): Use it.
5642 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5643 ADDR_DIFF_VEC matches mova.
5645 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5647 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5648 with ATTRIBUTE_UNUSED.
5650 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5652 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5653 pointer, instead of assuming it is possible to derive the
5654 correct args size from a call insn.
5656 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5658 * rtl.h (CONST_INT_P): Define.
5659 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5660 instead of GET_CODE(x) == CONST_INT.
5661 (vax_rtx_costs): Likewise.
5662 (vax_output_int_move): Likewise.
5663 (vax_output_int_add): Likewise.
5664 (legitimate_constant_address_p): Likewise.
5665 (index_term_p): Likewise.
5666 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5667 * config/vax/vax.md (and<mode>3): Likewise.
5668 (ashrsi3): Likewise.
5670 (movstricthi): Likewise.
5671 (movstrictqi): Likewise.
5672 (rotrsi3): Likewise.
5673 (five unnamed insns): Likewise.
5675 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5677 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5678 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5679 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5680 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5681 Pass to ASM_OUTPUT_DWARF_OFFSET.
5682 * dwarf2out.c (debug_frame_section): New.
5683 (output_call_frame_info): Use debug_frame_section. Pass it to
5684 dw2_asm_output_offset.
5685 (output_die): Pass appropriate section to dw2_asm_output_offset.
5686 (output_compilation_unit_header): Likewise.
5687 (output_pubnames): Likewise.
5688 (output_aranges): Likewise.
5689 (enum dw_val_class): Break dw_val_class_lbl_offset into
5690 dw_val_class_lineptr and dw_val_class_macptr.
5691 (add_AT_lbl_offset): Delete.
5692 (add_AT_lineptr): New.
5693 (add_AT_macptr): New.
5694 (AT_lbl): Expect a lineptr or macptr.
5695 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5696 (attr_checksum): Likewise.
5697 (same_dw_val_p): Likewise.
5698 (size_of_die): Likewise.
5699 (value_format): Likewise.
5700 (output_die): Likewise.
5701 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5703 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5704 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5705 * config/darwin-protos.h (darwin_file_start): New.
5706 (darwin_asm_output_dwarf_offset): New.
5707 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5708 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5710 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5711 if not EH section; simplify.
5712 (darwin_file_start): New.
5713 (darwin_asm_output_dwarf_offset): New.
5714 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5716 (DEBUG_INFO_SECTION): Likewise.
5717 (DEBUG_ABBREV_SECTION): Likewise.
5718 (DEBUG_ARANGES_SECTION): Likewise.
5719 (DEBUG_MACINFO_SECTION): Likewise.
5720 (DEBUG_LINE_SECTION): Likewise.
5721 (DEBUG_LOC_SECTION): Likewise.
5722 (DEBUG_PUBNAMES_SECTION): Likewise.
5723 (DEBUG_STR_SECTION): Likewise.
5724 (DEBUG_RANGES_SECTION): Likewise.
5725 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5726 (ASM_OUTPUT_DWARF_OFFSET): New.
5728 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5730 * config.gcc (tm_defines): Always add to previous value rather
5733 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5735 * config/mips/predicates.md (splittable_const_int_operand): New,
5736 split from move_operand.
5737 (splittable_symbolic_operand): New.
5738 (move_operand): Add commentary. Use splittable_const_int_operand.
5739 Inline mips_atomic_symbolic_constant_p.
5740 * config/mips/mips.md: Add combine splitters for handling moves
5741 of splittable_const_int_operands and splittable_symbolic_operands.
5742 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5743 (mips_split_symbol): Declare.
5744 (mips_move_integer): Declare.
5745 * config/mips/mips.c (mips_split_p): Make global.
5746 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5747 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5748 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5749 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5750 (mips_offset_within_object_p): Handle block symbols.
5751 (mips_atomic_symbolic_constant_p): Delete.
5752 (mips_cannot_force_const_mem): Return false for constants that
5753 mips_legitimize_move can handle.
5754 (mips_use_blocks_for_constant_p): New function.
5755 (mips_split_symbol): Make global.
5756 (mips_move_integer): Likewise. Add a temporary register argument.
5757 (mips_legitimize_const_move): Use splittable_const_int_operand and
5758 splittable_symbolic_operand.
5759 (mips_use_anchors_for_symbol_p): New function.
5760 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5761 (mips_split_p): Declare.
5763 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5765 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5766 (mips*-*-linux*): Likewise.
5768 2006-03-16 Roger Sayle <roger@eyesopen.com>
5769 Daniel Speyer <dspeyer@wam.umd.edu>
5772 * tree-dump.c (dump_real): New function.
5773 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5774 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5775 (tree-dump.o): Add $(REAL_H) to the dependencies.
5777 2006-03-16 Roger Sayle <roger@eyesopen.com>
5780 * real.c (real_from_string): If the mantissa is zero, don't bother
5781 parsing the exponent as the result should always be zero.
5783 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5785 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5787 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5789 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5790 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5791 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5792 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5793 ia64_sched_finish_global): New static functions to implement
5794 hooks from gcc_target.sched.
5795 (spec_check_no, max_uid, pending_data_specs): New static variables.
5796 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5797 ia64_spec_check_src_p): New static functions.
5798 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5799 (TARGET_SCHED_ADJUST_COST): Removed.
5800 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5801 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5802 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5803 TARGET_SCHED_GEN_CHECK,
5804 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5805 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5806 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5807 Fixed to handle speculation checks.
5808 (rtx_needs_barrier): Fixed to handle speculative loads and
5810 (ia64_variable_issue): Added code to count speculative loads and their
5812 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5814 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5816 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5818 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5819 (ia64_reorg): Reset stops_p to NULL after it is freed.
5820 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5821 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5822 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5824 (data_speculative, control_speculative, check_load): New attributes.
5825 (mov<mode>_advanced, mov<mode>_speculative,
5826 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5827 zero_extend<mode>di2_speculative,
5828 zero_extend<mode>di2_speculative_advanced): New patterns for
5829 data and control speculative loads.
5830 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5832 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5833 New pattern for data and control speculation checks.
5834 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5835 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5836 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5837 Auxiliary definitions for the patterns.
5838 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5839 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5841 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5843 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5844 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5845 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5846 New resource constraints.
5847 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5849 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5850 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5851 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5852 msched-in-control-spec, msched-ldc, msched-control-ldc,
5853 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5854 msched-prefer-non-control-spec-insns,
5855 msched-count-spec-in-critical-path): New flags to tune speculative
5857 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5858 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5859 msched-in-control-spec, msched-ldc, msched-control-ldc,
5860 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5861 msched-prefer-non-control-spec-insns,
5862 msched-count-spec-in-critical-path): Document new flags.
5864 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5866 * target.h (struct spec_info_def): New opaque declaration.
5867 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5868 speculate_insn, needs_block_p, gen_check,
5869 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5870 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5871 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5872 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5873 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5874 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5876 (TARGET_SCHED): Use new macros.
5877 * rtl.h (copy_DEPS_LIST_list): New prototype.
5878 * sched-int.h (struct sched_info): Change signature of new_ready field,
5879 adjust all initializations. New fields: add_remove_insn,
5880 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5881 region_head_or_leaf_p.
5882 (struct spec_info_def): New structure declaration.
5883 (spec_info_t): New typedef.
5884 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5885 recovery_block, orig_pat.
5886 (glat_start, glat_end): New variables declaraions.
5887 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5889 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5890 DETACH_LIFE_INFO, USE_GLAT.
5891 (enum SPEC_SCHED_FLAGS): New enumeration.
5892 (NOTE_NOTE_BB_P): New macro.
5893 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5894 attach_life_info, debug_spec_status, check_reg_live): New functions.
5895 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5896 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5898 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5899 * ddg.c (get_block_head_tail): Adjust all uses.
5900 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5901 (sms_sched_info): Initialize new fields.
5902 (contributes_to_priority): Removed.
5903 * haifa-sched.c (params.h): New include.
5904 (get_block_head_tail): Adjust all uses.
5905 (ISSUE_POINTS): New macro.
5906 (glat_start, glat_end): New global variables.
5907 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5908 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5909 old_last_basic_block, before_recovery, current_sched_info_var,
5910 rgn_n_insns, luid): New static variables.
5911 (insn_cost1): New function. Move logic from insn_cost to here.
5912 (find_insn_reg_weight1): New function. Move logic from
5913 find_insn_reg_weight to here.
5914 (reemit_notes, move_insn, max_issue): Change signature.
5915 (move_insn1): Removed.
5916 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5917 extend_bb): New static functions to support extension of scheduler's
5919 (generate_recovery_code, process_insn_depend_be_in_spec,
5920 begin_speculative_block, add_to_speculative_block,
5921 init_before_recovery, create_recovery_block, create_check_block_twin,
5922 fix_recovery_deps): New static functions to support
5923 generation of recovery code.
5924 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5925 restore_bb_notes, move_block_after_check, move_succs): New static
5926 functions to support ebb scheduling.
5927 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5928 functions to support handling of register live information.
5929 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5930 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5931 add_jump_dependencies): New static functions.
5932 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5933 consistancy checking.
5934 (debug_spec_status): New function to call from debugger.
5935 (priority): Added code to handle speculation checks.
5936 (rank_for_schedule): Added code to distinguish speculative instructions.
5937 (schedule_insn): Added code to handle speculation checks.
5938 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5939 Fixed to handle ebbs.
5940 (move_insn): Added code to handle ebb scheduling.
5941 (max_issue): Added code to use ISSUE_POINTS of instructions.
5942 (choose_ready): Added code to choose between speculative and
5943 non-speculative instructions.
5944 (schedule_block): Added code to handle ebb scheduling and scheduling of
5945 speculative instructions.
5946 (sched_init): Initialize new variables.
5947 (sched_finish): Free new variables. Print statistics.
5948 (try_ready): Added code to handle speculative instructions.
5949 * lists.c (copy_DEPS_LIST_list): New function.
5950 * sched-deps.c (extend_dependency_caches): New function. Move logic
5951 from create_dependency_caches to here.
5952 (get_dep_weak, ds_merge): Make global.
5953 * genattr.c (main): Code to output prototype for
5954 dfa_clear_single_insn_cache.
5955 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5956 (output_dfa_clean_insn_cache_func): Code to output
5957 dfa_clear_single_insn_cache function.
5958 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5960 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5962 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5963 New static variables.
5964 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5965 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5967 (ebb_sched_info): Initialize new fields.
5968 (get_block_head_tail): Adjust all uses.
5969 (compute_jump_reg_dependencies): Fixed to use glat_start.
5970 (schedule_ebb): Code to remove unreachable last block.
5971 (schedule_ebbs): Added code to update register live information.
5972 * sched-rgn.c (region_sched_info): Initialize new fields.
5973 (get_block_head_tail): Adjust all uses.
5974 (last_was_jump): Removed. Adjust users.
5975 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5976 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5977 Implement new hooks.
5978 (check_dead_notes1): New static function.
5979 (struct region): New fields: dont_calc_deps, has_real_ebb.
5980 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5981 (BB_TO_BLOCK): Fixed to handle EBBs.
5982 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5983 (ebb_head): New static variable.
5984 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5985 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5987 (compute_dom_prob_ps): New assertion.
5988 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5989 global_live_at_start.
5990 (init_ready_list): New assertions.
5991 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5992 (new_ready): Add support for BEGIN_CONTROL speculation.
5993 (schedule_insns): Fixed code that updates register live information
5995 (schedule_region): Fixed to handle EBBs.
5996 (init_regions): Use extend_regions and check_dead_notes1.
5997 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5998 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5999 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6000 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6001 TARGET_SCHED_GEN_CHECK,
6002 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6003 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6004 * doc/invoke.texi (max-sched-insn-conflict-delay,
6005 sched-spec-prob-cutoff): Document.
6007 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6009 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6010 inter_tick, queue_index.
6011 (struct sched_info): Change signature of init_ready_list field.
6012 Adjust all initializations.
6013 (RESOLVED_DEPS): New access macro.
6014 (ready_add): Remove prototype.
6015 (try_ready): Add prototype.
6016 * sched-rgn.c (init_ready_list): Use try_ready.
6017 (schedule_region): Initialize
6018 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6019 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6020 (init_ready_list): Use try_ready.
6021 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6022 * lists.c (remove_list_elem): Remove `static'.
6023 (remove_free_INSN_LIST_elem): New function.
6024 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6025 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6026 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6028 (readyp): New variable.
6029 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6030 change_queue_index, resolve_dep): New static functions.
6031 (try_ready): New function. Adjust callers in sched-rgn.c and
6032 sched-ebb.c to use it instead of ready_add.
6033 (clock_var): Move at the begining of file.
6034 (rank_for_schedule): Fix typo.
6035 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6036 (ready_lastpos): Enforce assertion.
6037 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6039 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6040 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6041 (queue_to_ready): Use free_INSN_LIST_list.
6042 (early_queue_to_ready): Fix typo.
6043 (schedule_block): Init readyp. Move init_ready_list call after the
6044 initialization of clock_var. Fix error in rejecting insn by
6045 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6046 that previously corrected INSN_TICKs. Add code for handling
6048 (set_priorities): Fix typo.
6049 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6050 Clarify comment and code that keeps current_sched_info->next_tail
6053 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6055 * sched-rgn.c (extend_rgns): New static function.
6056 (find_rgns): Use it.
6057 (gather_region_statistics, print_region_statistics): New static
6059 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6060 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6062 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6063 Andrey Belevantsev <abel@ispras.ru>
6065 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6066 * lists.c (unused_deps_list): New variable.
6067 (free_list): Add assertions to verify the proper distinguishing
6068 between INSN_LISTs and DEPS_LISTs.
6069 (find_list_elem, remove_list_elem, remove_list_node): New static
6071 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6072 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6073 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6074 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6076 (free_INSN_LIST_node): Likewise.
6077 * modulo-sched.c (current_sched_info): Initialize flags field.
6078 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6079 * rtl.def (DEPS_LIST): Define.
6080 * rtl.h: Declare new functions from lists.c.
6081 * sched-deps.c (spec_dependency_cache): New static variable.
6082 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6083 (add_dependence): Change return type to void. Move the logic to ...
6084 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6085 (delete_all_dependences): Add comment about forward_dependency_cache.
6086 Handle spec_dependency_cache. Handle DEPS_LISTs.
6087 (fixup_sched_groups): Clarify the change of priority of output
6088 and anti dependencies.
6089 (sched_analyze_2): Adjust add_dependence calls to create data
6090 speculative dependence.
6091 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6092 Adjust all callers. Handle DEPS_LISTS.
6093 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6094 presence of speculation.
6095 (init_dependency_caches, free_dependency_caches):
6096 Handle spec_dependency_cache.
6097 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6098 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6099 New static functions.
6100 (add_or_update_back_dep, add_or_update_back_forw_dep,
6101 add_back_forw_dep, delete_back_forw_dep): New functions.
6102 * sched-int.h (ds_t, dw_t): New typedefs.
6103 (struct sched_info): Add new field flags.
6104 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6105 Prototype new sched-deps.c functions.
6106 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6107 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6108 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6109 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6110 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6111 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6113 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6115 * sched-rgn.c (current_sched_info): Initialize flags field.
6116 (schedule_insns): Initialize current_sched_info before the sched_init
6118 * sched-ebb.c (current_sched_info): Initialize flags field.
6119 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6120 Call add_or_update_back_dep instead of add_dependence.
6121 Create control speculative dependencies.
6122 (schedule_insns): Initialize current_sched_info before the sched_init
6125 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6127 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6129 (sh_fallback_frame_state): Likewise.
6131 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6133 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6134 Do switch on default_use_cxa_atexit.
6135 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6136 * config/darwin-crt3.o: New.
6137 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6138 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6139 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6141 * config/rs6000/t-darwin: Move crt2.o building to here.
6142 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6143 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6146 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6148 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6149 from '! xxx' to '!xxx' for coding-style conformance.
6150 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6151 (EXTRA_CONSTRAINT): Likewise.
6152 * config/vax/vax.md (four unnamed insns): Likewise.
6154 2006-03-15 Paul Brook <paul@codesourcery.com>
6156 * config/arm/arm.c (minipool_pad): New.
6157 (add_minipool_forward_ref): Include pool alignment padding in address
6159 (push_minipool_fix): Set minipool_pad.
6160 (minipool_pad): Ditto.
6162 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6164 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6165 instead of GET_CODE() == MEM and REG_P() instead of
6167 (print_operand_address): Likewise.
6168 (vax_address_cost): Likewise.
6169 (vax_rtx_costs): Likewise.
6170 (vax_notice_update_cc): Likewise.
6171 (vax_output_int_add): Likewise.
6172 (INDEX_REGISTER_P): Likewise.
6173 (BASE_REGISTER_P): Likewise.
6174 (nonindexed_address_p): Likewise.
6175 (vax_mode_dependent_address_p): Likewise.
6176 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6177 (PRINT_OPERAND): Likewise.
6178 * config/vax/vax.md (ashlsi3): Likewise.
6179 (ashlsi3): Likewise.
6180 (some more unnamed insns): Likewise.
6182 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6184 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6185 iterator-style macro.
6186 (mark_control_dependent_edges_necessary): Update the use of
6187 EXECUTE_IF_CONTROL_DEPENDENT.
6189 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6191 * config/sh/predicates.md (cache_address_operand): Special.
6192 (ua_address_operand): Likewise.
6194 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6196 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6198 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6200 2006-03-15 Andreas Schwab <schwab@suse.de>
6202 * gensupport.c (identify_predicable_attribute): Don't free p_false
6203 when it is still in use.
6205 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6207 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6208 the default setting here.
6210 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6212 * tree-pass.h (pass_cfg): Remove.
6213 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6214 * passes.c (pass_cfg): Don't run it.
6216 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6218 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6219 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6221 (stack_regs_mentioned): Update the uses of
6222 stack_regs_mentioned_data. Don't access the array beyond its
6224 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6225 Don't include gt-reg-stack.h.
6227 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6228 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6230 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6233 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6236 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6238 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6240 2006-03-14 Richard Guenther <rguenther@suse.de>
6242 PR tree-optimization/26672
6243 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6246 2006-03-14 Richard Guenther <rguenther@suse.de>
6248 PR tree-optimization/26667
6249 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6250 node for the callees. Always allow inlining if it will shrink
6253 2006-03-14 Richard Guenther <rguenther@suse.de>
6256 * builtins.c (get_pointer_alignment): Prefer alignment
6257 information from decls over that from types.
6259 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6262 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6264 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6266 * config/rs6000/rs6000.opt (mdlmzb): New option.
6267 (msched-prolog, msched-epilog): Use Var not Mask.
6268 * doc/invoke.texi (-mdlmzb): Document.
6269 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6271 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6272 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6274 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6276 PR rtl-optimization/25739
6277 * bt-load.c (augment_live_range): Free tos pointer.
6279 * gensupport.c (identify_predicable_attribute): Free
6281 * gcov.c (create_file_names): Free name pointer.
6283 2006-03-13 Roger Sayle <roger@eyesopen.com>
6286 * stmt.c (emit_case_nodes): Handle the case where the index is a
6287 CONST_INT, where the comparison mode is specified by the index type.
6289 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6291 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6294 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6296 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6297 (*branch_fp_inverted): Likewise.
6299 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6302 * omp-low.c (expand_omp_for_generic): Mark istart0
6303 and iend0 as addressable.
6305 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6307 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6309 2006-03-13 Jeff Law <law@redhat.com>
6311 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6312 virtual operands are interesting.
6313 (vrp_visit_stmt): Corresponding changes.
6315 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6317 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6319 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6320 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6321 * config/bfin/crti.S: Use it instead of __PIC__.
6322 * config/bfin/crtn.S: Likewise.
6324 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6325 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6327 Lose 'G' modifier for call operand.
6328 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6329 recognize 'G' modifier.
6331 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6334 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6335 * stmt.c (expand_case): Likewise.
6337 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6339 PR rtl-optimization/26254
6340 * loop-invariant.c (seq_insns_valid_p): New function.
6341 (move_invariant_reg): Only emit new code if it is valid.
6343 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6345 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6347 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6348 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6349 (commit_one_edge_insertion): Do not look for loop notes.
6351 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6353 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6354 flag_test_coverage out of loop.
6356 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6358 * final.c (shorten_branches): Remove outdated comment, and turn
6359 the if branch that guards it to continue.
6361 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6363 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6364 * cfgloop.h (struct loop): Remove unused fields.
6366 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6368 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6369 (-dL, -fdump-rtl-loop2): Update the dump file names
6371 * doc/invoke.texi: Update dump file names.
6373 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6375 * predict.c (estimate_probability): Remove.
6376 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6377 * basic-block.h (estimate_probability): Remove prototype.
6378 * passes.c (finish_optimization_passes): Dump branch prediction or
6379 profiling heuristics to the .profile tree dump.
6380 (init_optimization_passes): Unqueue pass_branch_prob.
6382 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6384 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6386 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6387 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6389 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6391 * function.h (frame_offset_overflow): Declare.
6392 * function.c (frame_offset_overflow): New function.
6393 (assign_stack_local_1): Call it to detect that the offset overflows.
6394 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6396 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6398 * config/sh/sh.c: Include alloc-pool.h.
6399 (label_ref_list_pool): New alloc pool.
6400 (label_ref_list_t): New type for lists of labels.
6401 (struct pool_node): Make wend a label_ref_list_t.
6402 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6404 (dump_table): Likewise.
6405 (sh_reorg): Set up the alloc pool before using add_constant and
6406 dump_table, and destroy it when finishing.
6408 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6410 * config/mips/mips.c: Remove redundant comment.
6412 2006-03-10 Jason Merrill <jason@redhat.com>
6415 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6416 the target was declared 'register'.
6418 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6420 * genpreds.c (write_insn_constraint_len): Change definition of
6421 insn_constraint_len to return size_t to match the declaration.
6423 2006-03-10 DJ Delorie <dj@redhat.com>
6425 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6427 (m32c_expand_insv): Fix test for an AND mask.
6429 2006-03-10 Richard Guenther <rguenther@suse.de>
6432 * builtins.c (get_pointer_alignment): Handle component
6433 references for field alignment.
6435 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6437 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6438 when building with libgloss.
6439 (sh*elf): Implement --without-fp option.
6440 (sh64-superh-linux*): Don't multilib.
6442 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6444 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6446 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6448 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6449 Set it when one of the replacement functions returned true.
6450 Return TODO_cleanup_cfg if cfgchanged is true.
6451 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6453 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6455 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6456 instead of gen_lowpart.
6458 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6460 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6462 (mips_output_order_conditional_branch): Declare.
6463 * config/mips/mips.h (MIPS_BRANCH): New macro.
6464 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6465 for the comparison. Use gen_condjump.
6466 (mips_output_conditional_branch): Rework interface to take the
6467 asm templates for a direct branch and the inverse of a direct branch.
6468 (mips_output_order_conditional_branch): New function.
6469 (mips_builtin_branch_and_move): New function.
6470 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6471 branch condition. Use gen_single_cc as the condition for
6472 __builtin_mips_upper_* or __builtin_mips_lower_*.
6473 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6474 Use VOIDmode for the branch condition.
6475 * config/mips/predicates.md (order_operator): New predicate.
6476 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6477 (branch_fp): Rename to...
6478 (*branch_fp): ...this. Remove mode from comparison operator.
6479 Use new mips_output_conditional_branch interface.
6480 (branch_fp_inverted): Rename to...
6481 (*branch_fp_inverted): ...this and update as for *branch_fp.
6482 (*branch_zero<mode>): Rename to...
6483 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6484 Use mips_output_order_conditional_branch. Only accept ordered
6486 (*branch_zero<mode>_inverted): Rename to...
6487 (*branch_order<mode>_inverted): ...this and update as for
6488 *branch_order<mode>.
6489 (*branch_equality<mode>): Accept zero as the second operand to
6490 the equality operator. Use the new mips_output_conditional_branch
6492 (*branch_equality<mode>_inverted): Likewise.
6493 (condjump): New expander.
6494 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6496 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6497 (bc1any2t, bc1any2f): Likewise.
6498 (single_cc): New expander.
6499 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6501 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6503 * doc/md.texi: Update documentation of MIPS constraints.
6504 * config/mips/constraints.md: New file.
6505 * config/mips/mips.md: Include it.
6506 * config/mips/mips.c (mips_char_to_class): Delete.
6507 (override_options): Don't initialize mips_char_to_class.
6508 * config/mips/mips.h (mips_char_to_class): Delete.
6509 (REG_CLASS_FROM_LETTER): Delete.
6510 (CONST_OK_FOR_LETTER_P): Delete.
6511 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6512 (EXTRA_CONSTRAINT_Y): Delete.
6513 (EXTRA_CONSTRAINT_STR): Delete.
6514 (CONSTRAINT_LEN): Delete.
6515 (EXTRA_MEMORY_CONSTRAINT): Delete.
6517 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6519 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6520 original fn's eh regions.
6522 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6524 * fold-const.c (build_range_check): Make sure to use a valid type to
6525 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6528 (range_predecessor): New static function.
6529 (range_successor): Likewise.
6530 (merge_ranges): Use them to compute predecessors and successors of
6533 2006-03-09 Roger Sayle <roger@eyesopen.com>
6536 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6537 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6539 2006-03-08 DJ Delorie <dj@redhat.com>
6541 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6542 (addpsi3): Expand to include memory operands. Remove
6543 reload-specific splits.
6544 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6545 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6546 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6547 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6548 (shift1_qi, shift1_hi, insv): New.
6549 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6550 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6551 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6553 * config/m32c/m32c-protos.h: Update as needed.
6554 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6555 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6556 Fail for unrecognized R* constraints.
6557 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6558 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6559 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6561 (m32c_init_libfuncs): New.
6562 (m32c_legitimate_address_p): Add debug wrapper.
6563 (m32c_rtx_costs): New.
6564 (m32c_address_cost): New.
6565 (conversions): Add 'B' prefix.
6566 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6567 operands, or word regnames for QI operands. 'B' prints bit
6569 (m32c_expand_setmemhi): New.
6570 (m32c_expand_movmemhi): New.
6571 (m32c_expand_movstr): New.
6572 (m32c_expand_cmpstr): New.
6573 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6574 (m32c_expand_neg_mulpsi3): Handle non-ints.
6575 (m32c_cmp_flg_0): New.
6576 (m32c_expand_movcc): New.
6577 (m32c_expand_insv): New.
6578 (m32c_scc_pattern): New.
6579 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6580 a0/a1 out of SIregs.
6581 (STORE_FLAG_VALUE): New.
6582 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6585 * config/m32c/mov.md: Make constraints more liberal.
6586 (zero_extendqihi2): Optimize r0/r1 case.
6587 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6588 * config/m32c/predicates.md (m32c_any_operand): New.
6589 (m32c_nonimmediate_operand): New.
6590 (m32c_hl_operand): New.
6591 (m32c_r3_operand): New.
6594 (memsym_operand): New.
6595 (memimmed_operand): New.
6596 (a_qi_operand): New.
6597 (m32c_eqne_operator): New.
6598 (m32c_1bit8_operand): New.
6599 (m32c_1bit16_operand): New.
6600 (m32c_1mask8_operand): New.
6601 (m32c_1mask16_operand): New.
6602 * config/m32c/blkmov.md: New file.
6603 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6605 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6607 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6608 unsigned to fix signed/unsigned comparison issue in
6609 DWARF2_FRAME_REG_OUT.
6610 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6611 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6613 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6614 of ptr into the ENABLE_CHECKING section.
6616 2006-03-08 Jeff Law <law@redhat.com>
6618 * tree-vrp.c (infer_value_range): Only count pointer uses
6619 and dereferences if -fdelete-null-pointer-checks is enabled.
6621 * tree-vrp.c (find_assert_locations): Infer value ranges for
6622 single use pointers, but do not create ASSERT_EXPRs for them.
6623 When a non-null range is inferred for a pointer, backwards
6624 propagate that range to other equivalent pointers through the
6627 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6630 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6631 language hook targets.
6632 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6633 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6634 if language hook targets were missing.
6636 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6638 * tree-ssa-opfinalize.h: Removed.
6639 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6641 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6642 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6643 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6644 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6645 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6646 finalize_ssa_v_must_def_ops): New.
6648 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6650 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6653 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6655 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6657 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6658 addresses with offsets; reorganize.
6660 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6661 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6662 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6664 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6667 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6669 2006-03-08 Ben Elliston <bje@au.ibm.com>
6671 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6673 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6676 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6679 2006-03-07 Richard Guenther <rguenther@suse.de>
6681 PR tree-optimization/26587
6682 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6684 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6686 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6688 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6690 * hooks.c (hook_bool_mode_rtx_true): New function.
6691 * hooks.h (hook_bool_mode_rtx_true): Declare.
6692 * toplev.c (compile_file): Call output_shared_constant_pool.
6693 * varasm.c (shared_constant_pool): New variable.
6694 (assemble_start_function, assemble_end_function): Remove arguments
6695 from call to output_constant_pool.
6696 (create_constant_pool): New function, split out from...
6697 (init_varasm_status): ...here.
6698 (force_const_mem): Choose between the shared and per-function constant
6699 pools. Set current_function_uses_const_pool when reusing old entries
6700 as well as when creating new ones.
6701 (mark_constant): Ignore data argument.
6702 (mark_constants): Remove pool argument.
6703 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6704 to decide whether the function uses a constant pool.
6705 (output_constant_pool_contents): New function, split out from...
6706 (output_constant_pool): ...here.
6707 (output_shared_constant_pool): New function.
6708 (init_varasm_once): Initialize shared_constant_pool.
6709 * output.h (output_constant_pool): Delete.
6710 (output_shared_constant_pool): Declare.
6711 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6712 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6714 2006-03-06 Nick Clifton <nickc@redhat.com>
6716 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6717 flag_strength_reduce.
6719 2006-03-06 Ben Elliston <bje@au.ibm.com>
6721 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6722 x86_64-*-linux* configurations.
6724 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6725 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6727 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6729 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6731 * basic-block.h: Remove the extern for
6732 rediscover_loops_after_threading.
6734 * cfgloop.c (cancel_loop): Make it static.
6735 * cfgloop.h: Remove the prototype for cancel_loop.
6737 * flow.c (recompute_reg_usage): Make it static.
6738 * rtl.h: Remove the prototype for recompute_reg_usage.
6740 * function.c (use_return_register): Make it static.
6741 * function.h: Remove the prototype.
6743 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6745 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6747 * recog.h: Remove the prototype for
6748 validate_change_maybe_volatile.
6750 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6752 * rtlanal.c (replace_reg): Remove.
6753 * rtl.h: Remove the prototype for replace_reg.
6755 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6757 * regclass.c (reg_scan_update): Remove.
6758 (reg_scan_mark_refs): Remove the last argument.
6759 * rtl.h: Remove the prototype for reg_scan_update.
6761 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6763 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6764 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6765 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6766 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6767 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6768 loop-invariant.c, omp-low.c, opts.c, passes.c,
6769 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6770 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6771 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6772 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6773 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6774 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6776 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6778 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6779 * dwarf2out.h: Remove the prototype for
6780 dwarf2out_add_library_unit_info.
6782 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6784 * tree.c (add_var_to_bind_expr): Remove.
6785 * tree.h: Remove the prototype for add_var_to_bind_expr.
6787 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6789 * regclass.c (n_non_fixed_regs): Remove.
6790 (init_reg_sets_1, globalize_reg): Remove all uses of
6792 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6794 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6796 * rtlanal.c (insns_safe_to_move_p): Remove.
6797 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6799 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6801 * expmed.c (expand_mult_add): Remove.
6802 * expr.h: Remove the prototype for expand_mult_add.
6804 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6806 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6807 and REG_SAVED_VAL_EXP constants.
6808 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6809 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6810 Handle regs stored by value.
6811 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6812 (execute_cfa_program): Handle DW_CFA_val_offset,
6813 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6814 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6815 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6816 (uw_install_context_1): Handle target regs stored by value.
6818 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6820 * tree-sra.c (tree_sra): Return todoflags;
6821 (generate_one_element): Set TODO_update_smt_usage if needed.
6822 (pass_sra): Remove TODO_update_smt_usage.
6823 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6825 (tree_ssa_forward_propagate_single_use_vars): Return
6826 TODO_update_smt_usage if we need to update SMT usage.
6827 (pass_forwprop): Remove TODO_update_smt_usage.
6829 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6831 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6832 (correct_use_link): Remove reference to get_stmt_operands.
6833 (update_stmt_operands): Likewise.
6834 (get_modify_expr_operands): New function factored out of
6835 parse_ssa_operands and get_expr_operands.
6836 Try to create V_MUST_DEFs for LHS by default.
6837 (get_expr_operands) <case MODIFY_EXPR>: Call
6838 get_modify_expr_operands.
6839 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6840 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6841 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6842 get_modify_expr_operands.
6844 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6846 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6847 * tree-flow.h: Remove the prototype for
6848 referenced_var_lookup_if_exists.
6850 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6852 PR rtl-optimization/26345
6854 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6856 2006-03-03 Roger Sayle <roger@eyesopen.com>
6858 PR tree-optimization/26524
6859 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6860 fold_convert to create a constant of the appropriate type.
6862 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6864 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6865 SYMBOL_REF_IN_BLOCK_P.
6866 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6867 of SYMBOL_FLAG_IN_BLOCK.
6868 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6869 instead of SYMBOL_REF_IN_BLOCK_P.
6870 * explow.c (use_anchored_address): Likewise.
6871 * rtl.c (rtx_size): Likewise.
6872 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6873 instead of SYMBOL_FLAG_IN_BLOCK.
6874 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6875 SYMBOL_REF_IN_BLOCK_P.
6876 (assemble_variable): Likewise.
6877 (output_constant_def_contents): Likewise.
6878 (output_constant_pool): Likewise.
6879 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6880 instead of SYMBOL_FLAG_IN_BLOCK.
6881 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6882 SYMBOL_REF_IN_BLOCK_P.
6883 (SYMBOL_REF_BLOCK): Likewise.
6884 (SYMBOL_REF_OFFSET): Likewise.
6885 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6886 SYMBOL_REF_IN_BLOCK_P.
6887 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6888 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6889 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6890 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6892 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6894 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6896 2006-03-02 Roger Sayle <roger@eyesopen.com>
6898 * simplify-rtx.c (simplify_unary_operation): When simplifying
6899 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6900 that we perform the right shift in the appropriate mode, and
6901 then extend or truncate the result to requested mode.
6903 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6905 * gengtype.c (main): Handle double_int type.
6906 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6907 * double-int.c: New file.
6908 * double-int.h: New file.
6909 * system.h: Include doubleint.h.
6910 * Makefile.in (SYSTEM_H): Include double-int.h.
6911 (double-int.o): Add.
6913 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6916 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6919 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6921 * tree-vrp.c (remove_range_assertions): Do not update statements
6924 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6926 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6928 * gcse.c (rest_of_handle_gcse): Ditto.
6929 * except.c (gate_handle_eh): Ditto.
6930 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6931 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6933 2006-03-02 Eric Christopher <echristo@apple.com>
6935 * config/i386/i386.c (machopic_output_stub): Add indirection to
6938 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6942 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6944 Sun Niagara specific optimizations.
6945 * config.gcc: Recognize niagara as target.
6946 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6947 (TARGET_CPU_niagara): Define.
6948 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6949 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6950 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6951 (ASM_CPU_SPEC): Likewise.
6952 (PROCESSOR_NIAGARA): New enum entry.
6953 (REGISTER_MOVE_COST): Handle Niagara.
6954 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6955 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6956 (sparc_override_options): Recognize "niagara", set appropriate
6957 default MASK_* values for it, and align functions to 32-bytes
6958 by default just like ULTRASPARC/ULTRASPARC3.
6959 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6960 (sparc64_initialize_trampoline): Likewise.
6961 (sparc_use_sched_lookahead): Use zero for niagara.
6962 (sparc_issue_rate): Use one for niagara.
6963 * config/sparc/niagara.md: New file.
6964 * config/sparc/sparc.md: Include it.
6965 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6966 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6967 when default cpu is niagara.
6968 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6969 (ASM_CPU_SPEC): Likewise.
6970 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6971 when default cpu is niagara.
6972 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6973 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6974 just like v9/ultrasparc/ultrasparc3.
6975 * doc/invoke.texi: Add documentation for "niagara" and improve
6976 existing documentation for ultrasparc variants.
6978 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6980 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6982 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6984 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6985 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6986 and say that only one is needed.
6987 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6988 * target.h (have_switchable_bss_sections): New hook.
6989 * explow.c (use_anchored_address): Check that the symbol is in a block.
6990 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6991 (bss_noswitch_section): New variables.
6992 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6993 (get_noswitch_section): New function.
6994 (get_block_for_section): Allow SECT to be null.
6995 (unlikely_text_section_p): Use SECTION_STYLE.
6996 (bss_initializer_p): New function.
6997 (get_variable_section): Move earlier in file. Take a new argument,
6998 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6999 Return one of the new *_sections in such cases.
7000 (get_block_for_decl): New function, extracting some logic from
7001 use_blocks_for_decl_p.
7002 (change_symbol_section): Remove in favor of...
7003 (change_symbol_block): ...this new function.
7004 (use_blocks_for_decl_p): Remove checks now performed by
7006 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7007 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7008 (emit_local, emit_bss, emit_common): ...these new functions.
7009 Return true if the alignment was honored.
7010 (emit_tls_common): New function.
7011 (asm_emit_uninitialised): Delete.
7012 (assemble_variable_noswitch): New function, split out from...
7013 (assemble_variable): ...here. Don't make decisions about common
7014 variables here. Globalize all public decls that go into non-common
7015 sections. Check whether SYMBOL_REF_BLOCK is null.
7016 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7017 (output_constant_pool): Likewise.
7018 (init_varasm_once): Initialize the new section variables.
7019 (have_global_bss_p): New function.
7020 (categorize_decl_for_section): Use bss_initializer_p.
7021 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7022 (place_block_symbol): Assert that the symbol must be in a block.
7023 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7024 (TARGET_INITIALIZER): Include it.
7025 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7026 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7027 (SECTION_MACH_DEP): Bump by two.
7028 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7029 (unnamed_section): Mention SECTION_UNNAMED in comment.
7030 (named_section): Likewise SECTION_NAMED.
7031 (noswitch_section_callback): New type.
7032 (noswitch_section): New structure.
7033 (section): Add a noswitch_section alternative.
7034 (SECTION_STYLE): New macro.
7035 (tls_comm_section, comm_section, lcomm_section): Declare.
7036 (bss_noswitch_section, have_global_bss_p): Declare.
7037 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7038 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7040 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7041 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7044 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7046 * tree-vrp.c (execute_vrp): Return value.
7047 * regrename.c (rest_of_handle_regrename): Ditto.
7048 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7049 * tree-complex.c (tree_lower_complex): Ditto.
7050 (tree_lower_complex_O0): Ditto.
7051 * tracer.c (rest_of_handle_tracer): Ditto.
7052 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7053 * postreload.c (rest_of_handle_postreload): Ditto.
7054 * tree-tailcall.c (execute_tail_recursion): Ditto.
7055 (execute_tail_calls): Ditto.
7056 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7057 * tree.h (init_function_for_compilation): Ditto.
7058 * ipa-cp.c (ipcp_driver): Ditto.
7059 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7060 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7061 * final.c (compute_alignments): Ditto.
7062 (rest_of_handle_final): Ditto.
7063 (rest_of_handle_shorten_branches): Ditto.
7064 (rest_of_clean_state): Ditto.
7065 * omp-low.c (execute_expand_omp): Ditto.
7066 (execute_lower_omp): Ditto.
7067 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7068 * ipa-reference.c (static_execute): Ditto.
7069 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7070 * reorg.c (rest_of_handle_delay_slots): Ditto.
7071 (rest_of_handle_machine_reorg): Ditto.
7072 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7073 * flow.c (recompute_reg_usage): Ditto.
7074 (rest_of_handle_remove_death_notes): Ditto.
7075 (rest_of_handle_life): Ditto.
7076 (rest_of_handle_flow2): Ditto.
7077 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7078 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7079 (do_ssa_store_ccp): Ditto.
7080 (execute_fold_all_builtins): Ditto.
7081 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7082 * modulo-sched.c (rest_of_handle_sms): Ditto.
7083 * ipa-pure-const.c (static_execute): Ditto.
7084 * cse.c (rest_of_handle_cse): Ditto.
7085 (rest_of_handle_cse2): Ditto.
7086 * web.c (rest_of_handle_web): Ditto.
7087 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7088 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7089 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7090 * tree-nrv.c (tree_nrv): Ditto.
7091 (execute_return_slot_opt): Ditto.
7092 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7093 (create_structure_vars): Ditto.
7094 * loop-init.c (rtl_loop_init): Ditto.
7095 (rtl_loop_done): Ditto.
7096 (rtl_move_loop_invariants): Ditto.
7097 (rtl_unswitch): Ditto.
7098 (rtl_unroll_and_peel_loops): Ditto.
7099 (rtl_doloop): Ditto.
7100 * gimple-low.c (lower_function_body): Ditto.
7101 (mark_used_blocks): Ditto.
7102 * tree-ssa-sink.c (execute_sink_code): Ditto.
7103 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7104 (cgraph_early_inlining): Ditto.
7105 * global.c (rest_of_handle_global_alloc): Ditto.
7106 * jump.c (cleanup_barriers): Ditto.
7107 (purge_line_number_notes): Ditto.
7108 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7109 (rest_of_handle_if_after_reload): Ditto.
7110 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7111 (tree_ssa_loop_im): Ditto.
7112 (tree_ssa_loop_unswitch): Ditto.
7113 (tree_vectorize): Ditto.
7114 (tree_linear_transform): Ditto.
7115 (tree_ssa_loop_ivcanon): Ditto.
7116 (tree_ssa_empty_loop): Ditto.
7117 (tree_ssa_loop_bounds): Ditto.
7118 (tree_complete_unroll): Ditto.
7119 (tree_ssa_loop_prefetch): Ditto.
7120 (tree_ssa_loop_ivopts): Ditto.
7121 (tree_ssa_loop_done): Ditto.
7122 * predict.c (tree_estimate_probability): Ditto.
7123 * recog.c (split_all_insns_noflow): Ditto.
7124 (rest_of_handle_peephole2): Ditto.
7125 (rest_of_handle_split_all_insns): Ditto.
7126 * tree-eh.c (lower_eh_constructs): Ditto.
7127 * regmove.c (rest_of_handle_regmove): Ditto.
7128 (rest_of_handle_stack_adjustments): Ditto.
7129 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7130 * function.c (instantiate_virtual_regs): Ditto.
7131 (init_function_for_compilation): Ditto.
7132 (rest_of_handle_check_leaf_regs): Ditto.
7133 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7134 (rest_of_handle_gcse): Ditto.
7135 * ipa-type-escape.c (type_escape_execute): Ditto.
7136 * alias.c (rest_of_handle_cfg): Ditto.
7137 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7138 * profile.c (rest_of_handle_branch_prob): Ditto.
7139 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7140 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7141 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7142 * tree-dfa.c (find_referenced_vars): Ditto.
7143 * except.c (set_nothrow_function_flags): Ditto.
7144 (convert_to_eh_region_ranges): Ditto.
7145 (rest_of_handle_eh): Ditto.
7146 * emit-rtl.c (unshare_all_rtl): Ditto.
7147 (remove_unnecessary_notes): Ditto.
7148 * except.h (set_nothrow_function_flags): Ditto.
7149 (convert_to_eh_region_ranges): Ditto.
7150 * cfgexpand.c (tree_expand_cfg): Ditto.
7151 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7152 * tree-ssa-pre.c (do_pre): Ditto.
7153 (execute_fre): Ditto.
7154 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7155 (rest_of_handle_jump2): Ditto.
7156 * tree-sra.c (tree_sra): Ditto.
7157 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7158 (execute_mudflap_function_decls): Ditto.
7159 * tree-ssa-copy.c (do_copy_prop): Ditto.
7160 (do_store_copy_prop): Ditto.
7161 * ipa-prop.h (ipcp_driver): Ditto.
7162 * cfglayout.c (insn_locators_initialize): Ditto.
7163 * tree-ssa-forwprop.c
7164 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7165 * cfglayout.h (insn_locators_initialize): Ditto.
7166 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7167 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7168 (execute_late_warn_uninitialized): Ditto.
7169 * rtl.h (cleanup_barriers): Ditto.
7170 (split_all_insns_noflow): Ditto.
7171 (purge_line_number_notes): Ditto.
7172 (unshare_all_rtl): Ditto.
7173 (remove_unnecessary_notes): Ditto.
7174 (recompute_reg_usage): Ditto.
7175 (variable_tracking_main): Ditto.
7176 * integrate.c (emit_initial_value_sets): Ditto.
7177 * integrate.h (emit_initial_value_sets): Ditto.
7178 * tree-optimize.c (execute_free_datastructures): Ditto
7179 (execute_free_cfg_annotations): Ditto.
7180 (execute_fixup_cfg): Ditto.
7181 (execute_cleanup_cfg_pre_ipa): Ditto.
7182 (execute_cleanup_cfg_post_optimizing): Ditto.
7183 (execute_init_datastructures): Ditto.
7184 * tree-object-size.c (compute_object_sizes): Ditto.
7185 * combine.c (rest_of_handle_combine): Ditto.
7186 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7187 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7188 (rest_of_handle_reorder_blocks): Ditto.
7189 (rest_of_handle_partition_blocks): Ditto.
7190 * var-tracking.c (variable_tracking_main): Ditto.
7191 * tree-profile.c (tree_profiling): Ditto.
7192 * tree-vect-generic.c (expand_vector_operations): Ditto.
7193 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7194 * sched-rgn.c (rest_of_handle_sched): Ditto.
7195 (rest_of_handle_sched2): Ditto.
7196 * basic-block.h (free_bb_insn): Ditto.
7197 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7198 * tree-cfg.c (execute_build_cfg): Ditto.
7199 (remove_useless_stmts): Ditto.
7200 (split_critical_edges): Ditto.
7201 (execute_warn_function_return): Ditto.
7202 (execute_warn_function_noreturn): Ditto.
7203 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7204 * cfgrtl.c (free_bb_for_insn): Ditto.
7205 * passes.c (execute_one_pass): Run additional
7206 todos returned by execute function.
7207 * tree-pass.h (struct tree_opt_pass): Make execute
7210 2006-03-02 Richard Guenther <rguenther@suse.de>
7212 * tree-ssa-alias.c (find_used_portions): Consider taking
7213 the address as making the variable not write-only.
7215 2006-03-02 Nick Clifton <nickc@redhat.com>
7217 * config.gcc (default_use_cxa_atexit): Extend the description of
7218 this configure variable. Set its default value to "yes" for
7219 Linux, NetBSD and ELF targets on the assumption that they will
7220 use C libraries with the __cxa_atexit function.
7222 2006-03-02 Ben Elliston <bje@au.ibm.com>
7224 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7225 parameter as unused to suppress a build warning.
7227 2006-03-02 Ben Elliston <bje@au.ibm.com>
7229 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7232 2006-03-01 Roger Sayle <roger@eyesopen.com>
7235 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7236 declared name, the weak reference name, and the typeof name.
7237 (__gthrw): Avoid expanding the declared name suffix.
7238 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7240 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7242 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7244 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7245 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7246 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7247 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7248 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7249 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7250 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7251 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7252 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7253 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7254 (DW_END_default, DW_END_big, DW_END_little): New.
7255 (DW_END_lo_user, DW_END_hi_user): Define.
7256 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7257 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7258 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7261 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7263 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7265 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7267 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7269 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7271 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7272 to 'symbol_mem_tag'.
7274 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7277 2006-03-01 Roger Sayle <roger@eyesopen.com>
7279 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7281 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7284 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7285 MACHO_DYNAMIC_NO_PIC_P.
7286 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7288 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7291 * config/darwin-protos.h (darwin_asm_output_anchor):
7293 * config/darwin-sections.def (cstring_section):
7294 Add SECTION_MERGE to the flags.
7295 (literal4_section): Likewise.
7296 (literal8_section): Likewise.
7297 (objc_selector_refs_section): Likewise.
7298 (objc_cls_refs_section): Likewise.
7299 * config/darwin.c (darwin_asm_output_anchor): New
7301 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7303 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7305 Fix PR tree-optimization/26443
7306 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7307 to todo and PROP_tmt_usage to properties_destroyed.
7308 * tree-ssa-ccp.c (pass_ccp): Ditto.
7309 (pass_store_ccp): Ditto.
7310 * tree-ssa-dom.c (pass_dominator): Ditto.
7312 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7314 * tree-ssa-operands.c: Cleanup whitespace.
7315 (get_asm_expr_operands): Move before first invocation.
7316 (get_indirect_ref_operands): Likewise.
7317 (get_tmr_operands): Likewise.
7318 (get_call_expr_operands): Likewise.
7319 (append_def): Likewise.
7320 (append_use): Likewise.
7321 (append_v_may_def): Likewise.
7322 (append_v_must_def): Likewise.
7323 (add_call_clobber_ops): Likewise.
7324 (add_call_read_ops): Likewise.
7325 (add_stmt_operand): Likewise.
7326 (add_virtual_operand): Likewise.
7327 (build_ssa_operands): Likewise.
7329 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7334 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7335 with a call expr to ...
7336 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7338 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7340 * tree-vrp.c (extract_range_from_assert): Remove special
7341 handling for types with super-types.
7343 2006-03-01 Ben Elliston <bje@au.ibm.com>
7345 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7346 and powerpc64-*-linux* configurations.
7347 * config/t-dfprules: New file.
7349 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7350 Compile dfp-bit.c from the source directory using -DWIDTH and
7351 $DFP_CFLAGS to control the compilation of that file, rather than
7352 generating width-specific versions in the build directory.
7353 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7354 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7356 2006-02-28 Zack Weinberg <zackw@panix.com>
7358 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7361 2006-02-28 Eric Christopher <echristo@apple.com>
7363 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7364 Set up IN_LIBGCC definition of TARGET_64BIT.
7365 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7367 2006-02-28 Roger Sayle <roger@eyesopen.com>
7370 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7371 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7372 cases via the construction of "expr != 0".
7374 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7376 * alias.c (alias_invariant, alias_invariant_size): Remove.
7377 (record_base_value): Remove.
7378 (memrefs_conflict_p): Don't look at alias_invariant.
7379 (end_alias_analysis): Don't free it.
7380 * alias.h (record_base_value): Remove prototype.
7382 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7383 Adam Nemet <anemet@caviumnetworks.com>
7385 * rtl.h (truncated_to_mode): Declare it.
7386 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7387 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7388 (RTL_HOOKS_INITIALIZER): Include it.
7389 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7390 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7391 reg_truncated_to_mode.
7392 * rtlanal.c (truncated_to_mode): Define it.
7393 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7395 2006-02-28 Jeff Law <law@redhat.com>
7397 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7398 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7399 the range allowed by TYPE_PRECISION.
7401 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7403 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7405 PR tree-optimization/26419
7406 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7409 2006-02-27 Zack Weinberg <zackw@panix.com>
7411 * doc/md.texi: Fix typo in previous change.
7413 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7417 2006-02-27 Zack Weinberg <zackw@panix.com>
7419 * rtl.def (define_constraint, define_register_constraint)
7420 (define_memory_constraint, define_address_constraint): New MD forms.
7421 * gensupport.c (process_rtx): Put define_constraint etc on the
7423 * genpreds.c (process_define_predicate): Adjust comment. Validate
7424 the name, and call validate_exp to validate the expression.
7425 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7426 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7427 all callers changed.
7428 (validate_exp, needs_variable, struct constraint_data)
7429 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7430 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7431 (const_dbl_constraints, constraint_max_namelen)
7432 (have_register_constraints, have_memory_constraints)
7433 (have_address_constraints, have_address_constraints)
7434 (have_extra_constraints, have_const_int_constraints)
7435 (have_const_dbl_constraints, mangle, add_constraint)
7436 (process_define_constraint, process_define_register_constraint)
7437 (write_enum_constraint_num, write_lookup_constraint)
7438 (write_insn_constraint_len, write_regclass_for_constraint)
7439 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7440 (write_insn_extra_memory_constraint)
7441 (write_insn_extra_address_constraint)
7442 (write_satisfies_constraint_fns): New.
7443 (write_tm_preds_h): If we have new-style constraint definitions,
7444 prototype the functions generated from them, and define the
7445 old constraint interface (still used by generic code) in terms of
7447 (write_insn_preds_c): If we have new-style constraint definitions,
7448 generate all relevant functions from those definitions.
7449 (main): Handle define_constraint etc.
7450 * genoutput.c (struct constraint_data, indep_constraints)
7451 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7452 (mdep_constraint_len): New data structures and functions, defined
7453 #ifdef USE_MD_CONSTRAINTS.
7454 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7455 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7456 use new logic to validate operand constraints against constraint
7458 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7460 * defaults.h: If none of the old-style constraint macros are
7461 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7462 old-style macros; and poison REG_CLASS_FROM_LETTER,
7463 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7465 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7466 * doc/md.texi: Document new constraint-definition mechanism and the
7467 C interface it provides. Remove references to old mechanism
7468 elsewhere in the document.
7469 (Machine Constraints): Use pathnames relative to gcc directory,
7470 i.e. config/ARCH/FILE. Change i386 section to refer to
7471 config/i386/predicates.md; update that section to match docstrings.
7472 * doc/tm.texi: Move all documentation of the old constraint-
7473 definition macros to their own section, clearly mark as obsolete.
7475 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7476 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7478 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7479 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7480 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7482 (splits and peepholes): Use satisfies_constraint_*.
7483 * config/i386/i386.c (memory_address_length)
7484 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7486 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7488 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7489 scalar operation to be put back into the loop.
7491 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7494 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7495 (extract_cie_info): Handle S flag in augmentation string.
7496 (execute_cfa_program): If context->signal_frame, execute also
7497 fs->pc == context->ra instructions.
7498 (uw_frame_state_for): If context->signal_frame, don't subtract one
7499 from context->ra to find FDE.
7500 (uw_update_context_1): Set context->signal_frame to
7502 (_Unwind_GetIPInfo): New function.
7503 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7504 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7506 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7507 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7508 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7509 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7510 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7511 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7512 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7513 x86_64_fallback_frame_state): Set fs->signal_frame.
7514 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7515 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7516 (frob_update_context): Likewise. Workaround missing S flag in
7517 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7518 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7519 Remove the psw_addr + 1 hack.
7521 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7523 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7524 with aggregates here.
7525 (find_func_aliases): Remove code for &<aggregate> from here.
7527 2006-02-26 Roger Sayle <roger@eyesopen.com>
7529 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7530 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7531 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7534 2006-02-26 Roger Sayle <roger@eyesopen.com>
7537 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7539 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7541 * opts.c (decode_options): Do not handle flag_strength_reduce.
7542 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7543 and OPT_fstrength_reduce.
7544 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7545 flag_prefetch_loop_arrays for being nonzero.
7546 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7548 (fprefetch-loop-arrays-rtl): Removed.
7549 (flag_prefetch_loop_arrays): Do not specify the value.
7551 * doc/passes.texi: Update documentation of loop optimizer
7553 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7554 -frerun-loop-opt): Remove.
7556 2006-02-26 Richard Guenther <rguenther@suse.de>
7558 PR tree-optimization/26421
7559 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7560 in function calls that are ADDR_EXPRs as using the whole structure.
7562 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7564 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7565 * tree-pass.h (pass_loop_optimize): Remove.
7566 * passes.c (pass_loop_optimize): Never run it.
7567 * toplev.c (backend_init): Don't call init_loop.
7568 * opts.c (flag_loop_optimize_set): Remove.
7569 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7570 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7571 the old RTL loop optimizer when profiling enabled.
7572 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7573 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7574 pre-headers for the sake of the old RTL loop optimizer.
7575 * Makefile.in: Remove all references to loop.o.
7577 * doc/invoke.texi: Remove all references to -floop-optimize
7578 and -frerun-loop-opt.
7580 2006-02-26 Zack Weinberg <zackw@panix.com>
7582 * doc/md.texi (Machine Constraints): Refer to all files with paths
7583 relative to gcc directory (i.e. config/CPU/file). Add missing
7584 @table @code ... @end table to M32C subsection.
7586 2006-02-26 Roger Sayle <roger@eyesopen.com>
7588 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7590 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7592 2006-02-26 Roger Sayle <roger@eyesopen.com>
7593 James A. Morrison <phython@gcc.gnu.org>
7596 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7597 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7598 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7599 signedness of the shift operation.
7601 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7603 PR tree-optimization/26359
7604 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7606 2006-02-25 Roger Sayle <roger@eyesopen.com>
7608 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7609 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7610 as X == 0, and some symmetry related transformations.
7611 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7613 2006-02-25 Roger Sayle <roger@eyesopen.com>
7616 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7617 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7618 symmetry related transformations. Fold (X^C1) == C2 as
7621 2006-02-25 Juergen Weigert <jw@suse.de>
7622 Richard Guenther <rguenther@suse.de>
7624 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7626 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7628 * combine.c (gen_lowpart_or_truncate): Call
7629 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7631 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7633 * doc/invoke.texi: Move -fopenmp description to "Options for
7635 Remove reference to -lgomp.
7637 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7639 * doc/install.texi: Require GNU tar version 1.14.
7641 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7643 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7644 * doc/invoke.texi (C++ Dialect Options): Document
7645 -fno-use-cxa-get-exception-ptr.
7646 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7647 * configure: Regenerate.
7648 * c.opt (fuse-cxa-get-exception-ptr): New.
7649 * c-opts.c (c_common_handle_option): Handle
7650 OPT_fuse_cxa_get_exception_ptr.
7651 * c-common.c (flag_use_cxa_atexit): Update documentation.
7652 (flag_use_cxa_get_exception_ptr): New.
7653 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7654 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7656 (C_COMMON_OVERRIDE_OPTIONS): New.
7658 2006-02-24 Roger Sayle <roger@eyesopen.com>
7661 * combine.c (try_combine): Explicitly check whether GET_CODE is
7662 a SET or a CLOBBER, instead on checking that it isn't a USE.
7664 2006-02-24 Roger Sayle <roger@eyesopen.com>
7666 * fold-const.c (fold_comparison): New subroutine of fold_binary
7667 containing transformations common to both the equality and
7668 ordering relational operators, factored out of fold_binary.
7669 (fold_binary): Separate out the equality operators (EQ_EXPR
7670 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7671 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7672 transformations common to both.
7673 (fold_div_compare): Fix latent bugs in the previously unreachable
7674 LT_EXPR and GE_EXPR cases.
7676 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7678 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7679 decl libname for clog to __clog on AIX.
7681 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7683 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7686 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7687 output traceback table for thunks. Localise rs6000_stack_info call.
7689 2006-02-23 Roger Sayle <roger@eyesopen.com>
7690 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7692 * gthr-posix.h (__gthrw): Fix typo in comment.
7694 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7696 * doc/cpp.texi (Character sets): Document that we do support
7697 input files to be in any character set.
7699 2006-02-23 Jeff Law <law@redhat.com>
7701 * tree.h (PHI_ARG_NONZERO): Remove.
7702 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7703 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7704 node to the new node.
7706 PR tree-optimization/26425
7707 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7708 min/max, then assume its varying.
7710 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7712 PR rtl-optimization/26316
7713 * rtlanal.c (enum may_trap_p_flags): New.
7714 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7715 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7716 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7717 (may_trap_after_code_motion_p): New function.
7718 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7719 (find_invariant_insn): Use may_trap_after_code_motion_p.
7720 * rtl.h (may_trap_after_code_motion_p): Declare.
7722 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7724 * emit-rtl.c (immed_double_const): Cleanup.
7726 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7728 Fix PR tree-optimization/26376
7729 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7732 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7735 * gimplify.c (omp_add_variable): Guard variable size decl test with
7736 DECL_SIZE (decl) check.
7738 2006-02-23 Richard Guenther <rguenther@suse.de>
7741 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7742 like aggregate types.
7744 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7746 * configure.ac: Add --with{,out}-long-double-128 configure option.
7747 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7748 * configure: Rebuilt.
7749 * config.in: Rebuilt.
7750 * doc/install.texi (Options specification): Document
7751 --with-long-double-128.
7753 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7754 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7755 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7756 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7758 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7760 * config/s390/s390.c (override_options): Handle
7761 TARGET_DEFAULT_LONG_DOUBLE_128.
7763 * config/alpha/alpha.c (override_options): Handle
7764 TARGET_DEFAULT_LONG_DOUBLE_128.
7766 * config/sparc/sparc.c (sparc_override_options): Handle
7767 TARGET_DEFAULT_LONG_DOUBLE_128.
7769 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7771 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7772 (real-install-headers-tar, real-install-headers-cpio)
7773 (real-install-headers-cp): New targets.
7775 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7777 * tree.h (variable_section): Delete.
7778 * varasm.c (variable_section): Delete.
7780 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7782 * install.texi: Add notes on install.texi2html.
7783 (Building in parallel): Do not use footnotes.
7785 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7788 * doc/install.texi (Configuration): Document --disable-libgomp.
7790 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7792 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7794 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7796 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7797 (vec_extractv2df_0_sse): New.
7799 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7801 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7802 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7803 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7804 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7805 to the result of the expression.
7806 (def_cfa_1): Adjust.
7807 (frame_pointer_cfa_offset): Rename to...
7808 (frame_pointer_fb_offset): ... this. Adjust all uses.
7809 (convert_cfa_to_loc_list): Rename to...
7810 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7811 Pass it on to build_cfa_loc.
7812 (compute_frame_pointer_to_cfa_displacement): Rename to...
7813 (compute_frame_pointer_to_fb_displacement): ... this. New
7814 offset parameter. Use it in computation.
7815 (gen_subprogram_die): Compute cfa_fb_offset with the new
7816 macro, and use it to compute the fb loc list and the
7819 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7821 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7822 replaced with register_operand.
7823 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7824 non-DREG is expensive.
7825 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7826 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7829 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7831 * doc/install.texi2html: Use set -e.
7833 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7835 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7836 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7837 * doc/invoke.texi (-fshared-data): Delete.
7838 * common.opt (fshared-data): Delete.
7839 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7840 (assemble_static_space): Remove #if 0 code.
7841 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7842 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7843 * config/cris/cris.h: Remove FIXME.
7845 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7847 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7850 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7853 * combine.c (simplify_shift_const_1): Disable nested shifts
7854 optimization for vector shifts.
7856 2006-02-20 Roger Sayle <roger@eyesopen.com>
7858 PR tree-optimization/26361
7859 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7860 of unsigned integer types.
7862 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7864 * tree-chrec.c (eq_evolutions_p): New.
7865 * tree-chrec.h (eq_evolutions_p): Declared.
7866 * tree-data-ref.c: Fix formatting.
7867 (datadep_stats, dependence_stats): New.
7869 (print_direction_vector): New.
7870 (dump_data_dependence_relation): Use print_direction_vector.
7871 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7872 (compute_subscript_distance): Static.
7873 (initialize_data_dependence_relation): Static. Get the number
7874 of loops surrounding the references from the callers, and initialize
7875 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7876 base_object_differ_p analyzers.
7877 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7878 compute_overlap_steps_for_affine_1_2,
7879 analyze_subscript_affine_affine): Count the classified dependences.
7880 Print a message when a test failed.
7881 (can_use_analyze_subscript_affine_affine): New.
7882 (analyze_siv_subscript): Compute the data dependences on symbolic
7883 scevs that verify can_use_analyze_subscript_affine_affine.
7884 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7885 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7886 Handle symbolic scevs.
7887 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7889 (subscript_dependence_tester): Moved...
7890 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7891 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7892 DDR_SIZE_VECT instead of getting it in parameter.
7893 (subscript_dependence_tester): ... here. Take as a parameter
7894 loop_nest_depth. Call build_classic_dist_vector and
7895 build_classic_dir_vector.
7896 (compute_affine_dependence): Update subscript_dependence_tester
7897 parameters. Update datadep_stats counters. Call
7898 compute_subscript_distance.
7899 (compute_self_dependence): Save the dist and dir vectors. Call
7900 compute_subscript_distance.
7901 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7902 (compute_all_dependences): Reorder parameters as they were before
7903 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7904 compute_subscript_distance. Update the use of
7905 compute_affine_dependence and initialize_data_dependence_relation.
7906 (find_data_references_in_loop): Handle COMPONENT_REF.
7907 (compute_data_dependences_for_loop): Initialize dependence_stats.
7908 Don't call build_classic_dist_vector and build_classic_dir_vector.
7909 Update the parameters of initialize_data_dependence_relation and
7910 compute_all_dependences. Print the statistics from datadep_stats.
7911 (analyze_all_data_dependences): Static. Not used until the pass for
7912 checking the data dependences is contributed.
7913 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7914 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7915 (initialize_data_dependence_relation, compute_affine_dependence,
7916 analyze_all_data_dependences, compute_subscript_distance): Removed.
7917 (print_direction_vector): New.
7918 * lambda.h (gcd): ... here.
7919 (lambda_vector_gcd): Moved here from gcd_vector.
7920 * lambda-code.c (gcd, gcd_vector): Removed.
7921 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7922 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7924 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7926 * ipa-type-escape.c: Tidy some comments and white space.
7927 * tree-ssa-operands.c: Likewise.
7929 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7932 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7933 (dump_decl_name): Do not walk the decl tree chains.
7934 * tree-pass.h (TDF_CHAIN): Remove.
7936 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7938 * Makefile.in (C): Remove
7940 (.PHONY): Remove C and PROTO
7942 2006-02-20 Roger Sayle <roger@eyesopen.com>
7945 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7946 deprecated CHAR_TYPE tree code.
7948 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7950 * configure.ac (target_list): Add install-info, dvi, html.
7951 * configure: Regenerate.
7953 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7954 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7955 treelang/Make-lang.in: Do not use double-colon rules.
7957 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7959 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7960 (TMT_USED_ALONE): New macro.
7961 * tree-pass.h (PROP_tmt_usage): New property.
7962 (TODO_update_tmt_usage): New todo.
7963 * tree-ssa-alias.c (updating_used_alone): New variable.
7964 (recalculate_used_alone): New function.
7965 (compute_may_aliases): Set updating_used_alone, call
7966 recalculate_used_alone.
7967 * tree-sra.c (pass_sra): Note that this pass destroys
7968 PROP_tmt_usage, and add TODO_update_tmt_usage.
7969 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7970 * tree-flow.h (updating_used_alone): Prototype.
7971 (recalculate_used_alone): Ditto.
7972 * passes.c (execute_todo): Add code to set updating_used_alone,
7973 and call recalculate.
7974 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7975 for clobber if used alone, and add assert to verify used_alone
7978 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7980 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7981 for non tls symbols added.
7982 (legitimize_address): Do nothing for PLUS expressions if one of the
7983 addends is a tls symbol reference.
7985 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7989 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7991 * Makefile.in (BOOTSTRAPPING): New.
7992 (quickstrap): New definition if BOOTSTRAPPING=yes.
7994 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7995 * configure.ac: Substitute all_selected_languages with the languages
7996 that were configured. For all the other variables except
7997 lang_specs_files, include all the languages in the tree.
7998 * configure: Regenerate.
8000 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8001 if there is one. Run the commands to run fixincludes in the same
8004 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8005 * doc/install.texi: Document exact conventions for searching target tools.
8006 Document --with-build-time-tools. Document toplevel bootstrap. Document
8007 something more about building an Ada cross-compiler. Don't list GNU Make
8008 requirements which affect all platforms.
8010 2006-02-19 Roger Sayle <roger@eyesopen.com>
8013 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8014 only equivalent if the have both the same mode and precision.
8016 2006-02-20 Ben Elliston <bje@au.ibm.com>
8018 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8020 2006-02-19 Roger Sayle <roger@eyesopen.com>
8021 Steven Bosscher <stevenb.gcc@gmail.com>
8023 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8024 constant pool references to identify stack mode constants.
8025 * rtlanal.c (constant_pool_constant_p): New predicate to check
8026 whether operand is a floating point constant in the pool.
8027 * rtl.h (constant_pool_constant_p): Prototype here.
8028 * loop.c (scan_loop): Avoid hoisting constants from the constant
8029 pool on STACK_REGS targets.
8030 (load_mems): Likewise.
8031 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8032 loads into x87 registers expensive in terms of register pressure.
8034 2006-02-19 Roger Sayle <roger@eyesopen.com>
8036 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8037 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8039 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8041 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8042 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8044 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8046 * doc/invoke.texi: Document -fipa-pta.
8047 * common.opt: Add ipa-pta option.
8048 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8049 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8050 (do_ds_constraint): Ditto.
8051 (get_constraint_for): Only add to referenced_vars if
8052 referenced_vars exists.
8053 (insert_into_field_list): Rewrite to do this unsorted.
8054 (insert_into_field_list_sorted): Rename old insert_into_field_list
8056 (create_function_info_for): Use insert_into_field_list_sorted.
8057 (create_variable_info_for): Rewrite so it uses unsorted version,
8058 since the field list is sorted.
8059 (intra_create_variable_infos): Only add to referenced_vars if
8060 referenced_vars exists.
8061 (ipa_pta_execute): Init heapvars, and delete when done.
8062 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8064 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8066 * doc/install.texi: Add missing `@samp'.
8068 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8070 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8073 2006-02-18 Mark Wielaard <mark@klomp.org>
8075 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8076 who added new 4.1 features, bug fixes and integration support.
8078 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8081 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8084 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8086 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8087 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8088 (copy_insn_1): Likewise. Don't copy each field individually.
8090 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8092 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8093 * rtl.c (rtx_size): Rename variable to...
8094 (rtx_code_size): ...this.
8095 (rtx_size): New function.
8096 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8097 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8099 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8100 * rtl.h (rtx_code_size): New variable.
8101 (rtx_size): Change from a variable to a function.
8102 (RTX_SIZE): Rename to...
8103 (RTX_CODE_SIZE): ...this.
8106 PR tree-optimization/17106
8107 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8108 (Anchored Addresses): New section.
8109 * doc/invoke.texi (-fsection-anchors): Document.
8110 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8111 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8112 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8113 * hooks.c (hook_bool_mode_rtx_false): New function.
8114 * hooks.h (hook_bool_mode_rtx_false): Declare.
8115 * gengtype.c (create_optional_field): New function.
8116 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8117 SYMBOL_REF_IN_BLOCK_P is true.
8118 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8119 (min_anchor_offset, max_anchor_offset): Likewise.
8120 (use_anchors_for_symbol_p): New hook.
8121 * toplev.c (compile_file): Call output_object_blocks.
8122 (target_supports_section_anchors_p): New function.
8123 (process_options): Check that -fsection-anchors is only used on
8124 targets that support it and when -funit-at-a-time is in effect.
8125 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8126 if the decl doesn't have one.
8127 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8128 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8129 of force_const_mem through use_anchored_address.
8130 (expand_expr_constant): New function.
8131 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8132 calling expand_expr for INDIRECT_REF.
8133 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8134 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8135 * expr.h (use_anchored_address): Declare.
8136 * loop-unroll.c: Don't declare rtx vectors here.
8137 * explow.c: Include output.h.
8138 (validize_mem): Call use_anchored_address.
8139 (use_anchored_address): New function.
8140 * common.opt (-fsection-anchors): New switch.
8141 * varasm.c (object_block_htab, anchor_labelno): New variables.
8142 (hash_section, object_block_entry_eq, object_block_entry_hash)
8143 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8144 (use_blocks_for_decl_p, change_symbol_section): New functions.
8145 (get_variable_section): New function, split out from assemble_variable.
8146 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8147 use_blocks_for_decl_p say so. Use change_symbol_section if the
8148 symbol has already been created.
8149 (assemble_variable_contents): New function, split out from...
8150 (assemble_variable): ...here. Don't output any code for
8151 block symbols; just pass them to place_block_symbol.
8152 Use get_variable_section and assemble_variable_contents.
8153 (get_constant_alignment, get_constant_section, get_constant_size): New
8154 functions, split from output_constant_def_contents.
8155 (build_constant_desc): Create a block symbol if use_object_blocks_p
8156 says so. Or into SYMBOL_REF_FLAGS.
8157 (assemble_constant_contents): New function, split from...
8158 (output_constant_def_contents): ...here. Don't output any code
8159 for block symbols; just pass them to place_section_symbol.
8160 Use get_constant_section and get_constant_alignment.
8161 (force_const_mem): Create a block symbol if use_object_blocks_p and
8162 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8163 (output_constant_pool_1): Add an explicit alignment argument.
8164 Don't switch sections here.
8165 (output_constant_pool): Adjust call to output_constant_pool_1.
8166 Switch sections here instead. Don't output anything for block symbols;
8167 just pass them to place_block_symbol.
8168 (init_varasm_once): Initialize object_block_htab.
8169 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8170 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8171 (place_block_symbol, get_section_anchor, output_object_block)
8172 (output_object_block_htab, output_object_blocks): New functions.
8173 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8174 (TARGET_ASM_OUT): Include it.
8175 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8176 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8177 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8178 (TARGET_INITIALIZER): Include them.
8179 * rtl.c (rtl_check_failed_block_symbol): New function.
8180 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8181 (block_symbol, object_block): New structures.
8182 (rtx_def): Add a block_symbol field to the union.
8183 (BLOCK_SYMBOL_CHECK): New macro.
8184 (rtl_check_failed_block_symbol): Declare.
8185 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8186 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8187 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8188 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8189 * output.h (output_section_symbols): Declare.
8190 (object_block): Name structure.
8191 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8192 (default_use_anchors_for_symbol_p): Declare.
8193 * Makefile.in (RTL_BASE_H): Add vec.h.
8194 (explow.o): Depend on output.h.
8195 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8196 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8197 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8198 (rs6000_use_blocks_for_constant_p): New function.
8200 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8202 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8204 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8207 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8210 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8212 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8216 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8219 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8220 instead of DECL_REGISTER.
8222 2006-02-18 Olivier Hainque <hainque@adacore.com>
8225 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8227 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8230 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8231 * opth-gen.awk: Handle Var and InverseMask together.
8232 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8233 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8234 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8235 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8237 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8238 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8239 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8240 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8241 LINUX_DYNAMIC_LINKER): Define.
8242 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8243 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8245 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8246 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8247 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8248 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8249 (TARGET_C99_FUNCTIONS): Don't define.
8250 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8251 GLIBC_DYNAMIC_LINKER.
8252 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8253 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8254 GLIBC_DYNAMIC_LINKER64): Define.
8255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8256 LINUX_DYNAMIC_LINKER64.
8257 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8259 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8261 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8263 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8264 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8265 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8267 and LINUX_DYNAMIC_LINKER32.
8268 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8270 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8271 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8272 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8274 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8275 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8276 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8277 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8278 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8279 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8280 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8281 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8282 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8283 LINUX_DYNAMIC_LINKER): Define.
8284 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8285 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8286 GLIBC_DYNAMIC_LINKER64): Define.
8287 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8288 LINUX_DYNAMIC_LINKER64.
8289 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8290 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8291 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8292 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8293 LINUX_DYNAMIC_LINKER): Define.
8294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8295 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8296 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8297 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8298 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8299 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8300 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8301 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8302 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8303 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8304 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8305 * doc/invoke.texi (-muclibc): Remove caveat about supported
8308 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8310 * doc/cpp.texi (__TIMESTAMP__): Document.
8312 2006-02-17 Roger Sayle <roger@eyesopen.com>
8315 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8316 C is one less than the width of X (and related transformations).
8317 * simplify-rtx.c (simplify_unary_operation_1): Transform
8318 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8319 depending on STORE_FLAG_VALUE, were C is one less then the
8322 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8324 Fix PR tree-optimization/26341
8325 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8326 about NAME_MEMORY_TAG's.
8328 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8331 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8332 with hardware float support, and software float support. Add fcpy
8333 alternative to hardware patterns. Add alternatives to copy between
8334 general and floating-point registers to the 32-bit pattern.
8335 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8336 secondary reload to load a QI or HI mode constant into a floating
8338 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8339 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8341 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8344 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8346 (load_macho_picbase_di): Likewise.
8348 2006-02-16 Jeff Law <law@redhat.com>
8350 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8351 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8352 (ssa_name_nonzero_p): Likewise.
8353 (get_value_range): Return NULL if VRP is not running.
8354 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8355 VRP routines do not discover a range.
8356 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8357 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8358 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8359 (tree_expr_nonnegative_p): Similarly.
8360 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8361 (restore_nonzero_vars_to_original_value): Remove.
8362 (unsafe_associative_fp_binop): Remove.
8363 (tree_ssa_dominator_optimize): Remove initialization and
8364 finalization of nonzero_vars and nonzero_vars_stack.
8365 (dom_opt_initialize_block): No longer push marker on
8367 (dom_opt_finalize_block): No longer call
8368 restore_nonzero_vars_to_original_value.
8369 (record_equivalences_from_phis): No longer look for
8370 nonzero PHI arguments.
8371 (cprop_into_successor_phis): No longer propagate nonzero
8372 property into PHI arguments. Lose unused argument. Caller
8374 (record_equivalences_from_stmt): No longer record nonzero
8375 values for SSA_NAMEs.
8376 (lookup_avail_expr): No longer use nonzero_vars.
8378 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8379 for sizetype when sizetype is unsigned.
8381 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8383 PR rtl-optimization/25603
8384 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8385 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8386 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8387 with new meaning of SETS.
8389 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8394 * config/linux.opt: New file.
8395 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8396 LINUX_DYNAMIC_LINKER): Define.
8397 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8398 * config.gcc (*-*-linux*): Define extra_options.
8399 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8400 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8401 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8402 GLIBC_DYNAMIC_LINKER.
8403 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8404 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8405 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8407 * doc/invoke.texi (GNU/Linux Options): New section.
8409 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8411 * config/sparc/sparc.md (setjmp): Rewrite.
8412 (setjmp_32): Delete.
8413 (setjmp_64): Likewise.
8415 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8417 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8420 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8422 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8425 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8427 PR rtl-optimization/26296
8428 * Makefile.in (loop-invariant.c): Add except.h dependency.
8429 * loop-invariant.c: Include except.h.
8430 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8432 2005-02-16 Paul Brook <paul@codesourcery.com>
8434 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8437 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8439 PR rtl-optimization/25636
8440 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8441 when deciding whether an insn is an initializing insn.
8443 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8445 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8446 (tree_code_size): Ditto.
8447 * tree.h (struct tree_memory_tag): Remove parent_var.
8448 (struct tree_struct_field_tag): New.
8451 (union tree_node): Add sft member.
8452 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8454 (create_sft): Add size and offset argument, set SFT_OFFSET and
8456 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8457 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8458 * tree-flow-inline.h (get_subvar_at): Update for
8459 SFT_OFFSET/SFT_SIZE.
8460 (var_can_have_subvars): Ditto.
8461 (overlap_subvar): Ditto.
8462 * print-tree.c (print_node): Print out interesting things for
8464 * tree-flow.h (struct subvar): Remove offset and size members.
8465 * tree-ssa-operands.c (get_expr_operands): Update for
8466 get_indirect_ref_operands changes.
8467 (get_indirect_ref_operands): Call add_virtual_operand instead of
8468 add_stmt_operand. Only recurse on base var if requested.
8469 (access_can_touch_variable): New function.
8470 (add_stmt_operand): Split virtual operand handling into ...
8471 (add_virtual_operand): Here. Add offset, size, and for_clobber
8472 arguments. Prune alias sets.
8473 (add_call_clobber_ops): Call add_virtual_operand.
8475 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8478 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8480 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8481 than TREE_CODE as index into omp_clause_num_ops array.
8483 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8485 PR rtl-optimization/26184
8486 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8488 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8489 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8490 must_precede, must_follow and tobe_scheduled.
8493 * opts.c (common_handle_option): Free new_option pointer.
8494 * df-core.c (df_analyze): Free postorder pointer.
8496 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8498 * Makefile.in: Fix the examples about the use of stamps
8500 2006-02-15 Michael Matz <matz@suse.de>
8504 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8505 influenced by maximum_field_alignment or DECL_PACKED.
8506 (update_alignment_for_field): Ditto.
8507 (place_field): Ditto.
8508 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8511 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8513 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8514 (debug_flow_info): Pass it.
8515 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8516 * bb-reorder.c (reorder_basic_blocks): Likewise.
8517 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8518 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8519 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8520 * gcse.c (gcse_main, bypass_jumps): Likewise.
8521 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8522 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8523 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8524 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8525 * rtl.h (dump_flow_info): Adjust prototype.
8526 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8527 * var-tracking.c (variable_tracking_main): Likewise.
8528 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8529 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8532 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8534 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8537 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8539 PR tree-optimization/26209
8540 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8541 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8543 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8545 2006-02-14 Roger Sayle <roger@eyesopen.com>
8548 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8549 (X,Y) and the corresponding symmetry related transformations.
8550 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8551 (X,Y) and its symmetry related transformations.
8553 2006-02-14 Roger Sayle <roger@eyesopen.com>
8555 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8558 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8560 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8562 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8565 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8566 support COMDAT group.
8567 * configure: Regenerate.
8569 2006-02-14 Roger Sayle <roger@eyesopen.com>
8574 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8576 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8578 Fix PR tree-optimization/26260
8580 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8582 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8583 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8584 * tree-ssa-structalias.c (create_variable_info_for): Use
8585 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8587 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8589 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8591 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8592 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8593 of the ending condition.
8594 * tree-ssa-loop-manip.c: Include params.h.
8595 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8596 tree_unroll_loop): New functions.
8597 * tree-pass.h (pass_loop_prefetch): Declare.
8598 * loop.c (rest_of_handle_loop_optimize): Test for
8599 -fprefetch-loop-arrays-rtl.
8600 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8601 * timevar.def (TV_TREE_PREFETCH): New timevar.
8602 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8603 pass_loop_prefetch): New.
8604 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8605 (cleanup_tree_cfg_loop): Call scev_reset.
8606 * common.opt (fprefetch-loop-arrays-rtl): Add.
8607 * tree-ssa-loop-prefetch.c: New file.
8608 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8609 (new_temp_expr_table): Initialize expr_vars.
8610 (free_temp_expr_table): Cleanup expr_vars.
8611 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8612 expressions from being merged into one.
8613 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8614 (struct tree_niter_desc): Add control, bound and cmp fields.
8615 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8617 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8618 (tree-cfgcleanup.o): Add SCEV_H dependency.
8619 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8620 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8622 2006-02-14 Richard Guenther <rguenther@suse.de>
8624 PR tree-optimization/26258
8625 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8626 in PHI argument processing.
8628 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8630 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8631 new expression in the requested machine mode.
8633 2006-02-13 Roger Sayle <roger@eyesopen.com>
8635 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8636 directly, instead let do_compare_rtx_and_jump handle this for us.
8637 * expr.c (expand_expr_real_1): Likewise.
8638 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8639 before do_jump_by_parts_greater.
8640 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8641 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8643 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8645 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8647 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8649 PR rtl-optimization/26235
8650 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8651 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8654 2006-02-13 Jeff Law <law@redhat.com>
8656 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8659 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8662 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8663 twice if decl is a builtin. When trying again, call get_callee_fndecl
8664 first to verify it is still a builtin.
8666 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8668 * dwarf2out.c (base_type_die): Don't add AT_name here.
8669 (subrange_type_die): Don't add AT_name here.
8670 (modified_type_die): Rearrange code flow. Do add AT_name here.
8672 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8674 PR rtl-optimization/26247
8675 PR rtl-optimization/26248
8676 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8678 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8680 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8681 * config/fixtfdi.c: Likewise.
8682 * config/fixunstfdi.c: Likewise.
8683 * config/floatditf.c: Likewise.
8685 2006-02-13 Roger Sayle <roger@eyesopen.com>
8688 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8689 into (X,C2) if C1 is a subset of the bits of C2. Transform
8690 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8692 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8694 2006-02-13 Josh Conner <jconner@apple.com>
8697 * varasm.c (function_section): Check for section name before
8698 calling select_section on targets that define
8699 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8700 unlikely_text_section instead of hot_function_section if
8701 first_function_block_is_cold.
8703 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8706 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8708 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8710 PR rtl-optimization/26222
8711 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8712 after tree->rtl expansion.
8713 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8714 before passing it to emit_move_insn.
8716 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8718 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8720 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8721 Clarify documentation.
8722 * c-common.h (warn_write_strings): Remove.
8723 * c-common.c (warn_write_strings): Likewise.
8724 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8727 2006-02-12 Roger Sayle <roger@eyesopen.com>
8730 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8731 (do_jump_parts_zero_rtx): New function renamed from
8732 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8733 (do_jump_parts_equality_rtx): New function split out from
8734 do_jump_parts_equality. Old implementation renamed as above.
8735 Call do_jump_parts_zero_rtx if either operand is zero.
8736 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8737 do all of the heavy lifting.
8738 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8739 calling either do_jump_by_parts_greater_rtx or
8740 do_jump_by_parts_equality_rtx.
8741 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8742 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8743 moved to do_compare_rtx_and_jump, call it directly.
8744 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8745 mode argument. Call do_compare_rtx_and_jump.
8746 (emit_case_nodes): Update calls to do_jump_if_equal.
8748 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8750 PR rtl-optimization/26225
8751 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8753 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8755 PR rtl-optimization/26232
8756 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8758 2006-02-11 Jason Merrill <jason@redhat.com>
8761 * tree-inline.c (declare_return_variable): Just don't use the
8762 modify target if it's a gimple complex reg and the return slot
8765 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8767 * doc/contrib.texi: Update my entry.
8769 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8771 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8773 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8775 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8778 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8780 * doc/invoke.texi (-floop-optimize2): Removed.
8781 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8782 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8783 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8784 * common.opt (floop-optimize2): Removed.
8785 (fmove-loop-invariants): Enabled by default.
8787 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8789 * tree-if-conv.c (combine_blocks): Free the result of
8790 get_loop_exit_edges.
8792 2006-02-10 Jeff Law <law@redhat.com>
8794 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8796 PR tree-optimization/26213
8797 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8798 loop trying to follow SSA_NAME_VALUE chains.
8800 2006-02-10 Richard Guenther <rguenther@suse.de>
8802 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8803 deal with structures that end in implicitly variable sized arrays.
8805 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8807 PR rtl-optimization/24762
8808 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8811 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8813 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8814 (struct ivopts_data): Add regs_used field.
8815 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8816 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8817 instead of loop_data->regs_used;
8818 (free_loop_data): Do not free aux fields for loops.
8819 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8820 and tree_ssa_iv_optimize_finalize.
8822 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8824 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8826 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8829 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8830 computing the effective result type.
8832 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8835 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8836 (tree_overlaps_hard_reg_set): Declare.
8837 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8838 type and signature to match function type expected by walk_tree.
8839 (tree_overlaps_hard_reg_set): New function.
8840 (decl_conflicts_with_clobbers_p): Rename to:
8841 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8842 Use tree_overlaps_hard_reg_set. Changed caller.
8843 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8844 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8845 * cris.c (cris_md_asm_clobbers): Likewise.
8847 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8849 * reload1.c (emit_input_reload_insns): Delete code that tries to
8850 inherit using find_equiv_reg.
8852 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8854 * c-common.h (flag_const_strings): Don't declare.
8855 * c-common.c (flag_const_strings): Remove.
8856 * c.opt (fconst_strings): Remove.
8857 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8858 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8859 (c_common_init_options): Don't set flag_const_strings.
8860 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8862 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8864 * arm.md (tlobits_cbranch): New pattern.
8865 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8866 testing a single bit.
8868 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8871 * tree-ssa-pre.c (create_component_ref_by_pieces):
8872 Handle RETURN_DECL like VAR_DECL.
8874 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8877 * fold-const.c (fold_indirect_ref_1): Fold
8878 "*(foo *)&complexfoo" to "__real__ complexfoo"
8879 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8881 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8883 * tree-flow-inline.h (var_can_have_subvars):
8884 Volatile variables should not have subvariables.
8886 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8889 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8890 multiplying unsigned values.
8893 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8895 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8897 2006-02-08 Jason Merrill <jason@redhat.com>
8900 * tree.def: Elaborate on difference from MODIFY_EXPR.
8901 * doc/c-tree.texi (INIT_EXPR): Likewise.
8902 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8903 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8904 (gimplify_target_expr): Likewise.
8905 (gimplify_cond_expr): Remove target handling.
8906 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8907 (gimplify_expr): Clobber it here.
8908 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8909 Do return slot optimization if we have an INIT_EXPR.
8912 * tree-inline.c (declare_return_variable): Also clear
8913 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8916 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8919 * gimplify.c (gimplify_one_sizepos): Fix typo.
8921 2006-02-08 Jeff Law <law@redhat.com>
8923 PR tree-optimization/21417
8924 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8925 across a backedge if the control statement at the end of the
8926 block is data dependent on other statements in the same block.
8927 (record_temporary_equivalences_from_stmts): Remove over-conservative
8928 test for threading across backedges.
8930 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8931 control statement, handle all three special cases in the same
8932 manner as they all have the same desired solution. No longer
8933 special case edge flag updating when the post dominator is
8936 2006-02-08 Roger Sayle <roger@eyesopen.com>
8938 * tree.def (CHAR_TYPE): Remove.
8939 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8940 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8941 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8942 (gen_string_type_die): Delete unreachable function.
8944 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8945 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8946 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8947 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8948 * builtins.c (type_to_class): Likewise.
8949 * fold-const.c (fold_convert, build_range_check,
8950 merge_ranges): Likewise.
8951 * expr.c (count_type_elements): Likewise.
8952 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8953 * stor-layout.c (layout_type): Likewise.
8954 * ipa-type-escape.c (type_to_consider): Likewise.
8955 * gimplify.c (omp_firstprivatize_type_sizes,
8956 gimplify_type_sizes): Likewise.
8957 * explow.c (promote_mode): Likewise.
8958 * tree-sra.c (is_sra_scalar_type): Likewise.
8959 * varasm.c (output_constant): Likewise.
8960 * tree-inline.c (remap_type_1): Likewise.
8961 * convert.c (convert_to_pointer, convert_to_real,
8962 convert_to_integer, convert_to_complex): Likewise.
8964 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8966 * df-scan.c (df_def_record_1): A set destination may
8967 be a parallel regardless of mode.
8969 2006-02-08 Roger Sayle <roger@eyesopen.com>
8972 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8973 * config/mips/_tilib.c: Remove.
8974 * config/fixtfdi.c: New libgcc source file.
8975 * config/fixunstfdi.c: New source file.
8976 * config/floatditf.c: New source file.
8977 * config/floatunditf.c: New souce file.
8978 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8979 files above instead of config/mips/_tilib.c.
8980 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8982 2006-02-08 Jeff Law <law@redhat.com>
8984 PR tree-optimization/26169
8985 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8988 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8990 * df.h (DF_REG_SIZE): Return the length of the initialized
8993 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8995 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8996 __muldf3): Return a correctly signed zero.
8998 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9000 * passes.c (register_one_dump_file): Accept the current properties
9001 instead of pass number. Adjust call to dump_register. Remove
9003 (register_dump_files): Now a wrapper around...
9004 (register_dump_files_1): ... this one. Do not modify the pass
9006 (next_pass_1): Cosmetic fix.
9007 (execute_todo): Keep second parameter only. Use curr_properties
9008 instead of fetching it from the pass structure. Check and set
9010 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9011 instead of fetching it from the pass structure. Fix calls to
9012 execute_todo. Update curr_properties and initialize .vcg RTL dump
9013 after running the pass. Reset last_verified.
9014 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9016 (FIRST_AUTO_NUMBERED_DUMP): New.
9017 (dump_register): Remove "num" parameter, assign it within the
9019 (get_dump_file_name): Modify template for dumps.
9020 * tree-dump.h (dump_register): Adjust prototype.
9021 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9022 (PROP_trees): Add PROP_gimple_lomp.
9023 (TODO_set_props): New.
9024 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9025 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9026 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9028 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9030 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9031 (sparc64-*-linux*): Likewise.
9032 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9033 * config/sparc/t-linux: New file.
9034 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9035 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9036 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9037 -m32 -mlong-double-128.
9039 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9040 * config/alpha/t-linux: New file.
9041 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9043 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9044 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9045 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9046 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9047 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9048 (CPP_ARCH32_SPEC): Remove.
9050 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9052 PR tree-optimization/26145
9053 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9056 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9059 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9060 >= 240000 when generating code for SOM runtime.
9061 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9062 to $$dyncall when generating code for SOM runtime..
9064 2006-02-07 Dirk Mueller <dmueller@suse.com>
9067 * doc/invoke.texi (-Wsequence-point): Update documentation
9068 that -Wsequence-point is implemented for C++ as well.
9070 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9072 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9073 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9074 (LIB_SPEC): Likewise.
9075 * doc/invoke.texi (SPARC options): Document -pthread.
9077 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9079 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9082 2006-02-07 Roger Sayle <roger@eyesopen.com>
9084 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9085 Correct comment describing BOOLEAN_TYPE.
9087 2006-02-07 Dirk Mueller <dmueller@suse.com>
9089 * c.opt: C++ frontend supports -Wdiv-by-zero.
9090 * c-opts.c (c_common_handle_option): Remove dead case.
9092 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9094 * configure.ac (TLS assembler check): Do not enable TLS by
9095 default on SPARC/Solaris before version 10.
9096 * configure: Regenerate.
9098 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9100 * doc/invoke.texi (xl-compat): Document conversion and support
9103 2006-02-07 Jeff Law <law@redhat.com>
9105 * tree-vrp.c (find_conditional_asserts): Update comments.
9106 (simplify_stmt_for_jump_threading): New.
9107 (identify_jump_threads, finalize_jump_threads): New.
9108 (vrp_finalize): Call identify_jump_threads.
9109 (execute_vrp): Call finalize_jump_threads.
9110 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9111 (vrp_element, vrp_data, vrp_element_p): Remove.
9112 (vrp_hash_elt, vrp_variables_stack): Remove.
9113 (vrp_hash, vrp_eq, record_range): Remove.
9114 (simplify_cond_and_lookup_avail_expr): Remove.
9115 (extract_range_from_cond): Remove.
9116 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9117 (simplify_stmt_for_jump_threading): New.
9118 (dom_thread_across_edge): New wrapper.
9119 (tree_ssa_dominator_optimize): No longer initialize or
9120 finalize any of the VRP datastructures. Remove iteration
9121 step and simplify as a result of removal of iteration step.
9122 (pass_dominator): Perform a cfg cleanup after DOM.
9123 (dom_opt_finalize_block): Use the new common routines
9124 for threading jumps. Simplify stack management slightly.
9125 No longer need to unwind VRP state.
9126 (record_equivalences_from_incoming_edge): No longer record
9128 (eliminate_redundant_computations): No longer call
9129 simplify_cond_and_lookup_avail_expr.
9130 * tree-flow.h (potentially_threadable_block): Prototype.
9131 (thread_across_edge): Likewise.
9132 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9133 (tree-ssa-threadedge.o): Add dependencies.
9134 * tree-ssa-threadedge.c: New file.
9135 * passes.c (init_optimization_passes): Merge PHIs before
9136 calling VRP. Run VRP again late in the SSA optimization pipeline.
9138 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9140 * df-core.c (df_set_blocks): Do not dereference function pointers.
9141 (df_finish1): Likewise.
9142 (df_hybrid_search_forward): Likewise.
9143 (df_hybrid_search_backward): Likewise.
9144 (df_iterative_dataflow): Likewise.
9145 (df_analyze_problem): Likewise.
9146 (df_compact_blocks): Likewise.
9147 (df_dump): Likewise.
9148 * df-scan.c (df_rescan_blocks): Likewise.
9149 (df_record_entry_block_defs): Likewise.
9151 * genconditions.c (write_conditions): Guard the definition of
9152 'insn_conditions' with the check on GCC version.
9153 (write_writer): Guard the traversal 'insn_conditions' with
9154 the check on GCC version.
9156 2006-02-07 Richard Guenther <rguenther@suse.de>
9160 2006-01-30 Richard Guenther <rguenther@suse.de>
9162 * gimplify.c (gimplify_target_expr): Handle easy cases
9163 without creating a temporary.
9165 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9167 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9168 use of float in probability computations. Use edge probabilities
9169 in place of statically computed probabilities.
9170 (min_spec_prob): New static variable.
9171 (schedule_insns): Initialize it.
9172 (GET_SRC_PROB): Removed.
9173 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9175 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9178 * config/ia64/unwind-ia64.c: Revert last change.
9179 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9180 (INCOMING_FRAME_SP_OFFSET): Define.
9182 2006-02-06 Roger Sayle <roger@eyesopen.com>
9184 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9186 2006-02-07 Ben Elliston <bje@au.ibm.com>
9188 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9189 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9190 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9191 (ix86_return_in_memory): Handle TDmode.
9192 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9193 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9195 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9197 * reorg.c (dbr_schedule): Use dump_file instead of file.
9199 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9202 * config/ia64/predicates.md (extr_len_operand): New predicate.
9203 * config/ia64/ia64.md (extv): Tighten constraints.
9205 (*tbit_and_2): Ditto.
9206 (*tbit_and_3): Ditto.
9207 (*tbit_or_2): Ditto.
9208 (*tbit_or_3): Ditto.
9212 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9215 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9217 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9219 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9220 loop_optimizer_init and loop_optimizer_finalize
9221 * tree-ssa-sink.c (execute_sink_code): Ditto.
9222 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9223 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9224 tree_ssa_loop_done): Ditto.
9225 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9226 * sched-ebb.c: Include output.h.
9227 (schedule_ebbs): Do not use dump argument.
9228 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9229 * loop.c (loop_dump_stream): Removed.
9230 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9232 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9233 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9234 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9235 loop_iterations, strength_reduce, record_biv, record_giv,
9236 final_giv_value, check_final_value, check_ext_dependent_givs,
9237 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9238 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9239 dump_file instead of loop_dump_stream.
9240 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9242 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9244 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9245 * haifa-sched.c: Include output.h
9246 (schedule_insns, sched_init): Do not use dump argument.
9247 * mode-switching.c (optimize_mode_switching): Ditto.
9248 * modulo-sched.c (stats_file): Removed.
9249 (print_node_sched_params): Do not call argument dump_file.
9250 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9251 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9253 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9255 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9256 rtl_loop_init, rtl_loop_done): Ditto.
9257 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9258 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9260 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9261 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9262 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9263 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9264 * emit-rtl.c (renumber_insns): Ditto.
9265 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9266 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9267 * regclass.c (regclass): Ditto.
9268 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9269 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9270 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9271 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9273 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9274 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9276 * gcse.c (gcse_file, debug_stderr): Removed.
9277 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9278 rest_of_handle_gcse): Do not use dump argument.
9279 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9280 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9281 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9282 compute_code_hoist_vbeinout, compute_code_hoist_data,
9283 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9284 compute_store_table, build_store_vectors, insert_insn_start_bb,
9285 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9286 store_motion): Use dump_file instead of gcse_file.
9287 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9288 * profile.c (profile_dump_file): Removed.
9289 (branch_prob): Use dump_file instead of profile_dump_file.
9290 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9292 * tree-ssa-copy.c (dump_copy_of): Ditto.
9293 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9294 dump file to life_analysis.
9295 * bt-load.c (branch_target_load_optimize): Ditto.
9296 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9298 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9299 regclass, dbr_schedule): Declaration changed.
9300 * sched-int.h (sched_init): Declaration changed.
9301 * tree-profile.c (tree_profile_dump_file): Removed.
9302 (tree_profile_hooks): Removed profile_dump_file hook.
9303 * rtl-profile (rtl_profile_dump_file): Removed.
9304 (rtl_profile_hooks): emoved profile_dump_file hook.
9305 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9307 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9308 * tree-cfg.c (build_tree_cfg): Ditto.
9309 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9310 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9311 Declaration changed.
9312 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9313 life_analysis and schedule_insns.
9314 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9316 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9318 * config/mips/mips.c (mips_reorg): Ditto.
9319 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9322 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9324 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9325 (s390_mangle_fundamental_type): New.
9326 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9329 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9330 (alpha_mangle_fundamental_type): New.
9331 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9334 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9336 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9338 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9339 (sparc_mangle_fundamental_type): New.
9341 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9343 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9344 (s390x-*-linux*): Likewise.
9345 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9346 * config/s390/t-linux: New file.
9348 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9350 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9351 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9353 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9355 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9356 (ANTIC_SAFE_LOADS): New macro.
9357 (find_or_generate_expression): Add prototype.
9358 (set_contains_value): Allow null set for sake of not always having
9359 to allocate ANTIC_SAFE_LOADS.
9360 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9361 Allow COMPONENT_REF too.
9362 (valid_in_set): Allow COMPONENT_REF.
9363 Check ANTIC_SAFE_LOADS too.
9364 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9365 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9367 (can_PRE_operation): Add COMPONENT_REF.
9368 (create_component_ref_by_pieces): New function.
9369 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9370 (insert_aux): Move AGGREGATE_TYPE_P check here.
9371 (compute_avail): Set bb local stmt uids.
9372 (pass_pre): Use TODO_update_ssa_only_virtuals.
9374 2006-02-06 Ben Elliston <bje@au.ibm.com>
9376 * configure.ac: Unconditionally disable decimal float by default.
9377 * configure: Regenerate.
9379 2006-02-06 Ben Elliston <bje@au.ibm.com>
9381 * read-rtl.c (read_name): Terminate reading on EOF.
9383 2006-02-06 Ben Elliston <bje@au.ibm.com>
9385 * dfp.c (decimal_real_arithmetic): Change second argument type
9386 from int to enum tree_code. Do not always return true, but now
9387 return result of any call to decimal_do helper functions.
9388 * dfp.h (decimal_real_arithmetic): Update prototype.
9390 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9392 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9394 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9397 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9400 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9402 * tree-vrp.c (cfg_loops): Removed.
9403 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9404 Use current_loops instead of cfg_loops. Pass flags to
9405 loop_optimizer_init.
9406 * cfgloopmanip.c (fix_loop_structure): Update only available
9408 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9409 loop_optimizer_init.
9410 * modulo-sched.c (build_loops_structure): Removed.
9411 (sms_schedule): Use loop_optimizer_init.
9412 * loop-init.c (loop_optimizer_init): Use flags to determine
9413 which properties of loops to prepare.
9414 (rtl_loop_init): Pass flags to loop_optimizer_init.
9415 * tree-ssa-sink.c (execute_sink_code): Ditto.
9416 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9417 * tree-ssa-pre.c (init_pre): Ditto.
9418 * cfgloop.h (LOOPS_NORMAL): New.
9419 (loop_optimizer_init): Declaration changed.
9421 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9423 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9424 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9426 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9428 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9430 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9431 * pa/t-pa64: Delete quadlib.c rule.
9432 * pa/x-ada: Revert last change.
9433 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9435 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9437 PR rtl-optimization/26087
9438 * rtlanal.c (canonicalize_condition): Do not cross basic block
9441 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9444 * config/ia64/ia64.c: Include debug.h.
9445 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9446 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9447 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9448 (process_epilogue, process_set, process_for_unwind_directive):
9449 Output unwind info only if requested. Add CFA info if requested.
9450 Add new arguments as needed. Adjust callers.
9451 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9453 (DWARF2_FRAME_INFO): Define to zero.
9454 * config/ia64/unwind-ia64.c: Remove code that compensated for
9455 the CFA offset error fixed above.
9456 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9457 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9458 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9459 -funwind-tables and -fexceptions to enable frame info.
9460 (dwarf2out_frame_init): Define initial CFA even if
9461 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9462 DWARF2_UNWIND_INFO is nonzero, not just defined.
9463 (dwarf2out_frame_finish): Output non-EH call frame info only
9464 if DWARF2_FRAME_INFO is nonzero.
9465 (convert_cfa_to_loc_list,
9466 compute_frame_pointer_to_cfa_displacement): Define even if
9467 unwind info is not supported.
9468 (gen_subprogram_die): Use the above unconditionally. Remove
9469 legacy alternate code.
9470 * toplev.c (compile_file): Compile in call to
9471 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9472 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9474 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9475 Jakub Jelinek <jakub@redhat.com>
9477 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9478 IBM extended float format long double as "g" on powerpc*-linux.
9480 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9483 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9484 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9486 2006-02-03 Jason Merrill <jason@redhat.com>
9489 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9492 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9493 on the return slot if it's an NRV.
9495 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9497 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9498 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9499 rewrite_use): Do not handle USE_OUTER.
9500 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9501 add_iv_outer_candidates, may_replace_final_value,
9502 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9503 (find_interesting_uses_op): Functionality of
9504 find_interesting_uses_outer_or_nonlin moved here.
9505 (find_interesting_uses_outside): Use find_interesting_uses_op.
9507 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9510 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9512 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9513 Ulrich Weigand <uweigand@de.ibm.com>
9516 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9517 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9518 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9519 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9521 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9522 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9523 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9524 Define secondary reloads for TFmode moves.
9525 (constant_modes): Add TFmode.
9526 (NR_C_MODES): Set to 8.
9527 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9529 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9530 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9531 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9532 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9533 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9534 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9535 (FPR mode macro): Add TFmode.
9536 (DSF mode macro): New.
9537 (<de>, <dee> mode attributes): Removed.
9538 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9539 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9540 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9541 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9542 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9543 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9544 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9545 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9546 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9547 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9548 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9549 "*negabs<mode>2", "sqrt<mode>2"):
9550 Changed <de> to <xde>. R constraint replaced by <Rf>.
9551 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9553 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9554 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9555 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9557 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9558 "extenddftf2", "extendsftf2"): New expanders.
9559 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9560 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9561 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9562 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9564 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9565 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9566 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9567 __floatditf): Add a GCC_4.1.0 symbol version tag.
9568 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9571 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9574 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9575 Use targetm.binds_local_p instead of TREE_PUBLIC.
9577 2006-02-02 Roger Sayle <roger@eyesopen.com>
9579 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9580 on INTEGER_TYPEs to indicate that it denotes a character type.
9581 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9582 signed_char_type_node, unsigned_char_type_node and char_type_node.
9583 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9584 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9585 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9587 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9588 Daniel Berlin <dberlin@dberlin.org>
9590 * tree-tailcall.c (arg_needs_copy_p): New function.
9591 (eliminate_tail_call): Use arg_needs_copy_p.
9592 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9593 (add_virtual_phis): New function.
9595 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9597 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9598 #ignore instead of #scratch for %g7 .register directive.
9600 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9602 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9605 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9607 * flow.c (calculate_global_regs_live): Assert that there aren't any
9610 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9612 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9614 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9615 bsi_after_labels iterator.
9616 * tree-if-conv.c (find_phi_replacement_condition,
9617 replace_phi_with_cond_modify_expr): Likewise.
9618 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9619 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9621 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9623 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9625 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9628 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9629 array after growing it.
9631 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9634 * fold-const.c (fold_checksum_tree): Change type of buf.
9636 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9638 * reload.c (push_secondary_reload): Initialize t_icode.
9640 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9642 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9643 -msoft-float -mlong-double-128 only issue a warning, but don't
9644 swich to DFmode long double.
9646 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9648 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9649 has a constant equivalent, iterate over equivalents for arg0,
9650 calling simplify_relational_operation and if there's a result
9651 cheaper than X, apply fold_rtx and return the result.
9653 2006-02-01 Jan Hubicka <jh@suse.cz>
9655 * opts.c (no_unit_at_a_time_default): New global variable.
9656 (decode_options): Use it.
9657 * opts.h (no_unit_at_a_time_default): Declare.
9659 2006-02-01 Paul Brook <paul@codesourcery.com>
9661 * function.c (assign_parm_setup_reg): Use function argument promotion
9663 * expr.c (expand_expr_real_1): Use function argument promotion rules
9666 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9668 * gcc.c (process_command): Change j to 'unsigned int'.
9670 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9673 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9674 Use the corrected index for the character
9675 out of the string constant.
9677 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9679 * mode-switching.c (optimize_mode_switching): Fix size
9680 allocated for bb_info[n_entities].
9682 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9684 * gcc.c (main): Correct type that is allocated for
9685 explicit_link_files.
9687 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9689 * config/s390/s390.c (init_alignment_context): Set
9690 ALIAS_SET_MEMORY_BARRIER on the MEM.
9691 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9693 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9696 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9698 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9701 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9703 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9704 * regrename.c: Ditto.
9705 * tree-ssa-loop-im.c: Ditto.
9706 * tree-dump.c: Ditto.
9707 * tree-complex.c: Ditto.
9708 * genrecog.c: Ditto.
9709 * tree-ssa-threadupdate.c: Ditto.
9711 * java/class.c: Ditto.
9712 * java/jcf-parse.c: Ditto.
9713 * java/resource.c: Ditto.
9714 * java/except.c: Ditto.
9715 * java/jvspec.c: Ditto.
9716 * java/jcf-write.c: Ditto.
9717 * java/jcf-path.c: Ditto.
9718 * java/gjavah.c: Ditto.
9719 * java/zextract.c: Ditto.
9720 * java/jcf-io.c: Ditto.
9721 * java/jcf.h: Ditto.
9722 * java/buffer.c: Ditto.
9723 * java/lang.c: Ditto.
9724 * java/parse-scan.y: Ditto.
9725 * java/lex.c: Ditto.
9726 * java/lex.h: Ditto.
9727 * cfgloopmanip.c: Ditto.
9728 * postreload-gcse.c: Ditto.
9729 * tree-ssa-loop-manip.c: Ditto.
9730 * postreload.c: Ditto.
9731 * tree-ssa-loop-ch.c: Ditto.
9735 * diagnostic.c: Ditto.
9737 * genoutput.c: Ditto.
9739 * cfghooks.c: Ditto.
9740 * cfgloopanal.c: Ditto.
9741 * objc/objc-act.c: Ditto.
9743 * genextract.c: Ditto.
9744 * genautomata.c: Ditto.
9745 * pretty-print.c: Ditto.
9747 * cgraphunit.c: Ditto.
9750 * haifa-sched.c: Ditto.
9751 * dominance.c: Ditto.
9753 * tree-ssa-loop-ivopts.c: Ditto.
9755 * mode-switching.c: Ditto.
9756 * modulo-sched.c: Ditto.
9758 * ipa-pure-const.c: Ditto.
9760 * fix-header.c: Ditto.
9762 * tree-stdarg.c: Ditto.
9763 * ipa-utils.c: Ditto.
9764 * loop-init.c: Ditto.
9765 * ipa-inline.c: Ditto.
9768 * alloc-pool.c: Ditto.
9769 * dwarf2out.c: Ditto.
9771 * genattrtab.c: Ditto.
9772 * tree-ssa-loop-ivcanon.c: Ditto.
9776 * fortran/gfortranspec.c: Ditto.
9778 * local-alloc.c: Ditto.
9779 * langhooks.c: Ditto.
9780 * function.c: Ditto.
9781 * tree-vectorizer.c: Ditto.
9783 * ipa-type-escape.c: Ditto.
9785 * tree-if-conv.c: Ditto.
9788 * tree-data-ref.c: Ditto.
9789 * loop-unroll.c: Ditto.
9790 * treelang/treetree.c: Ditto.
9793 * ggc-common.c: Ditto.
9795 * coverage.c: Ditto.
9797 * tree-cfgcleanup.c: Ditto.
9798 * tree-ssa-pre.c: Ditto.
9799 * cfgcleanup.c: Ditto.
9800 * loop-invariant.c: Ditto.
9802 * ipa-prop.c: Ditto.
9803 * print-tree.c: Ditto.
9804 * conflict.c: Ditto.
9805 * ggc-page.c: Ditto.
9806 * sched-deps.c: Ditto.
9807 * regclass.c: Ditto.
9808 * tree-object-size.c: Ditto.
9810 * bb-reorder.c: Ditto.
9811 * resource.c: Ditto.
9812 * var-tracking.c: Ditto.
9814 * df-problems.c: Ditto.
9815 * reg-stack.c: Ditto.
9818 * sched-rgn.c: Ditto.
9819 * tree-ssa-structalias.c: Ditto.
9820 * tree-ssa-reassoc.c: Ditto.
9821 * config/darwin-c.c: Ditto.
9822 * config/darwin.c: Ditto.
9823 * config/arm/arm.c: Ditto.
9825 * collect2.c: Ditto.
9828 2006-01-31 Nicolas Pitre <nico@cam.org>
9830 * arm.md (smaxsi3): Make aware of smax_m1.
9833 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9835 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9837 2006-01-31 Richard Guenther <rguenther@suse.de>
9839 * doc/invoke.texi (-msselibm): Document.
9840 * target.h (expand_library_builtin): New target hook.
9841 * builtins.c (expand_builtin): Use expand_library_builtin.
9842 (default_expand_library_builtin): New function.
9843 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9844 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9845 (link_gcc_math_spec): Declare.
9846 (static_specs): Add link_gcc_math_spec.
9847 * expr.h (default_expand_library_builtin): Declare.
9848 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9849 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9850 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9851 * config/i386/i386.opt (msselibm): New target option.
9852 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9853 (ix86_init_sse_abi_builtins): New function.
9854 (ix86_expand_library_builtin): Likewise.
9855 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9856 (override_options): Handle error conditions wrt -msselibm.
9857 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9858 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9859 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9862 2006-01-31 Richard Guenther <rguenther@suse.de>
9863 Paolo Bonzini <bonzini@gnu.org>
9865 * doc/install.texi (--disable-libgcc-math): Document.
9867 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9869 * expr.h (expand_normal): new inline function.
9870 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9872 * dwarf2out.c: use it.
9877 * config/sparc/sparc.c: use it.
9878 * config/i386/i386.c: use it.
9879 * config/rs6000/rs6000.c: use it.
9880 * config/arm/arm.c: use it.
9881 * config/mips/mips.c: use it.
9882 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9884 2006-01-30 Roger Sayle <roger@eyesopen.com>
9886 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9887 argv to the appropriate type.
9889 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9891 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9894 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9897 * config/s390/s390.c (struct machine_function): New flag
9898 decomposed_literal_pool_addresses_ok_p.
9899 (s390_reorg): Set it before final stage of literal pool transforms.
9900 (s390_decompose_address): Only accept displacements of the form
9901 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9903 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9905 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9906 the comparison routine return.
9908 2006-01-30 Michael Matz <matz@suse.de>
9910 * global.c (find_reg): Only evict for global regs.
9911 Take n_refs into account and dump more info.
9913 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9916 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9917 (pragma_trap, pragma_nosave_low_regs): Likewise.
9918 (current_function_anonymous_args): Likewise.
9919 (sh_deferred_function_attributes): New variable.
9920 (sh_deferred_function_attributes_tail): Likewise.
9921 (print_operand): For '@', look up trap_exit attribute.
9922 (calc_live_regs): Look up trapa_handler attribute. For trapa
9923 handlers, save/restore fpscr, but don't do any other
9924 interrupt-specific saves.
9925 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9926 Fix check for partially saved registers to check for SHmedia.
9927 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9928 (sh_output_function_epilogue): Don't clear any of the removed
9930 (sh_insert_attributes): Don't check pragma_interrupt.
9931 Insert deferred attributes. Check that interrupt attribute is
9932 present for other attributes that require its presence.
9933 (sh_attribute_table): Add new attributes trapa_handler and
9935 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9936 Don't check for pragma_interrupt. Don't store argument.
9937 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9938 (sh_deferred_function_attributes): Declare.
9939 (sh_deferred_function_attributes_tail): Likewise.
9940 * sh.md (sp_switch_1): Add operand. Change generator caller.
9941 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9942 (*return_i): Don't use when trap_exit attribute is in effect.
9943 (*return_trapa): New insn pattern.
9945 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9946 setting c_target_objs and cxx_target_objs.
9947 * t-sh: Add rule for sh-c.o.
9949 2006-01-30 Richard Guenther <rguenther@suse.de>
9952 * gimplify.c (gimplify_target_expr): Handle easy cases
9953 without creating a temporary.
9955 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9957 * vec.h (safe_grow): Remove duplicated line.
9959 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9962 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9963 (expand_omp): ... here.
9964 (expand_omp_parallel): Only remove barriers for combined
9965 parallel+workshare constructs.
9967 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9971 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9972 * tree.c (build_qualified_type): Chain the new type to the original
9973 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9974 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9975 (build_pointer_type_for_mode): Only return unqualified types.
9976 (build_reference_type_for_mode): Likewise.
9978 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9980 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9981 * Makefile.in (CXX_COMPAT_WARN): Define.
9982 * configure: Regenerate.
9984 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9987 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9990 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9992 * toplev.c: Fix thinko.
9994 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9995 Marcin Dalecki <martin@dalecki.de>
9997 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9998 (push_srcloc): Use XNEW.
9999 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10001 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10003 * df-core.c (df_set_blocks): Deleted all variable.
10005 2006-01-28 Ian Lance Taylor <ian@airs.com>
10007 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10008 cgraph_output_pending_asms.
10010 2006-01-28 Zack Weinberg <zackw@panix.com>
10012 * c.opt: Add -W(no-)overlength-strings.
10013 * doc/invoke.texi: Document it.
10014 * c-opts.c (c_common_handle_option): -pedantic implies
10015 -Woverlength-strings, if not explicitly disabled already.
10016 (c_common_post_options): -Woverlength-strings defaults to off, and
10017 is always off for C++.
10018 * c-common.c (fix_string_type): Issue warning about strings longer
10019 than is portable only if warn_overlength_strings. Rearrange code
10020 a little for clarity.
10021 * configure.in: Check for -Wno-overlength-strings as well before
10022 enabling -pedantic in stage 1.
10023 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10024 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10026 * genconditions.c (write_header, write_one_condition)
10027 (write_conditions, write_writer): Consolidate very long strings
10028 that were broken up to fit in C89 portable limit. Don't use
10029 printf when fputs will do.
10031 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10033 * combine.c (simplify_comparison <AND>): Check
10034 TRULY_NOOP_TRUNCATION before start using a subreg.
10036 * config/mips/mips.md (*branch_zero<mode>,
10037 *branch_zero<mode>_inverted, *branch_equality<mode>,
10038 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10039 Remove mode check from comparisons.
10041 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10043 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10045 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10047 * expmed.c (const_mult_add_overflow_p): Remove.
10048 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10050 * recog.c (validate_replace_rtx_subexp): Remove.
10051 * recog.h: Remove the prototype for
10052 validate_replace_rtx_subexp.
10054 * integrate.h: Remove the prototype for
10055 copy_decl_for_inlining.
10056 * rtl.h: Remove the prototype for mark_constant_function.
10057 * tree-vectorizer.h: Remove the prototype for
10058 vect_strip_conversion.
10060 * modulo-sched.c (create_partial_schedule,
10061 free_partial_schedule, reset_partial_schedule): Make them
10064 * hooks.c (hook_bool_rtx_int_false): Remove.
10065 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10067 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10069 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10070 and -mlong-double-128 are incompatible.
10071 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10072 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10073 (TARGET_LIBGCC2_CFLAGS): Define.
10074 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10075 (TARGET_LIBGCC2_CFLAGS): Same.
10076 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10078 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10081 * c-typeck.c (build_binary_op): Perform implicit casts of
10082 operands before shortening them.
10084 * cfgloopmanip.c (split_loop_bb): Remove.
10085 * cfgloop.h: Remove the prototype for split_loop_bb.
10087 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10088 * cfgloop.h: Remove the prototype for
10089 flow_loop_outside_edge_p.
10091 * emit-rtl.c (init_virtual_regs): Make it static.
10092 * function.h: Remove the prototype for init_virtual_regs.
10094 * recog.c (peephole2_optimize): Make it static.
10095 * recog.h: Remove the prototype for peephole2_optimize.
10097 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10099 * df-scan.c (df_record_entry_block_defs): Check if
10100 INCOMING_RETURN_ADDR_RTX is defined.
10102 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10103 Kenneth Zadeck <zadeck@naturalbridge.com>
10105 PR rtl-optimization/24762
10106 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10107 * targhooks.c (hook_void_bitmap): New hook prototype.
10108 * targhoohs.h (hook_void_bitmap): Ditto.
10109 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10110 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10111 * target.h (live_on_entry): New function pointer.
10112 * df-scan.c (df_all_hard_regs): Removed.
10113 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10114 (df_scan_free_internal): Added df->entry_block_defs.
10115 (df_scan_alloc): Ditto.
10116 (df_scan_dump): Ditto.
10117 (df_uses_record): Plumbed flag field properly thru calls.
10118 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10119 This part fixes PR24762.
10120 (df_bb_refs_record): Added code to make the frame and arg
10121 pointers live in EH blocks.
10122 (df_refs_record): Added call to df_record_entry_block_defs.
10123 (df_record_entry_block_defs): New function.
10124 * df-core.c: Added comments to describe new artifical defs.
10125 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10126 (entry_block_defs): New field in struct df.
10127 (df_all_hard_regs): Deleted.
10128 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10129 * df-problems.c (df_ru_bb_local_compute_process_def):
10130 Added code to handle artifical defs in the entry to a function.
10131 (df_ru_bb_local_compute): Ditto.
10132 (df_rd_bb_local_compute_process_def): Ditto.
10133 (df_rd_bb_local_compute): Ditto.
10134 (df_lr_bb_local_compute): Ditto.
10135 (df_ur_bb_local_compute): Ditto.
10136 (df_urec_bb_local_compute): Ditto.
10137 (df_chain_create_bb): Ditto.
10138 (df_ur_local_finalize): Removed entry.
10139 (df_urec_init): Ditto.
10140 (df_urec_local_finalize): Ditto.
10141 (df_ri_bb_compute): Added detection of last use of pseudos.
10142 * Makefile.in (df-scan.o): Updated dependencies.
10143 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10144 * config/mips/mips.c (mips_set_live_on_entry): Added.
10145 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10147 * dce.c (marked_insn_p): Added code to handle artifical defs.
10149 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10151 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10153 (_mm_cvtsi128_si64): Likewise.
10154 (_mm_cvtsd_si64): Likewise.
10155 (_mm_cvttsd_si64): Likewise.
10156 (_mm_cvtsi64_sd): Likewise.
10157 (_mm_cvtsi64_si128): Likewise.
10158 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10159 (_mm_cvtsi64_m64): Likewise.
10160 (_m_to_int64): Likewise.
10161 (_mm_cvtm64_si64): Likewise.
10162 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10163 (_mm_cvttss_si64): Likewise.
10164 (_mm_cvtsi64_ss): Likewise.
10165 (_mm_cvtss_f32): Likewise.
10167 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10169 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10170 for pragma redefine_extname.
10172 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10175 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10176 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10177 -mno-minimal-toc to previous content.
10178 (bispecs): Remove goal.
10179 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10180 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10181 compatibility aliases on powerpc-*-*gnu*.
10182 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10183 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10184 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10185 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10186 (ldblspecs): New goal.
10187 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10188 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10190 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10191 L_sf_to_tf or L_df_to_tf is defined.
10193 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10194 Alan Modra <amodra@bigpond.net.au>
10197 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10198 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10199 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10200 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10201 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10202 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10203 (rs6000_override_options): Initialize rs6000_ieeequad.
10204 Initialize TFmode format to ibm_extended_format if not
10206 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10208 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10209 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10210 (function_arg_advance): IBM long double passed in two FPRs, not
10212 (function_arg): IBM long double passed in FPRs.
10213 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10214 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10215 Only multireg GPR aligned.
10216 (rs6000_init_libfuncs): Enable IBM long double functions if not
10218 (rs6000_generate_compare): Use IBM long double compare if not
10220 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10221 (TARGET_IEEEQUAD): Define.
10222 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10223 not TARGET_IEEEQUAD.
10224 * config/rs6000/rs6000.md: Enable TFmode patterns if
10226 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10227 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10228 and -mlong-double-128 are incompatible.
10229 * doc/invoke.texi (-mabi): Collect options together. Add
10230 ibmlongdouble and ieeelongdouble.
10232 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10234 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10236 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10237 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10238 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10239 * rtl.h (rtunion_def): Remove rt_ptr.
10241 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10242 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10243 * config/i386/winnt.c (i386_pe_mark_dllexport)
10244 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10246 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10248 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10250 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10254 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10255 pthread_key_delete. From John David Anglin. gthrw-ify
10256 pthread_getunique_np only if it it's not a macro. Delete
10258 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10259 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10260 __gthread_objc_condition_signal, __gthread_key_delete): Add
10261 "__attribute__ ((__unused__))" to unused arguments.
10262 (__gthread_recursive_mutex_init_function): Add missing return.
10263 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10264 gthr-posix95.h: Use macro-based approach for name redirection
10265 on targets missing weakref.
10267 2006-01-26 Zack Weinberg <zackw@panix.com>
10269 * genconditions.c (write_header): In generated code, #ifdef out
10270 all includes and fake declarations, except includes of bconfig.h
10271 and system.h, unless GCC_VERSION >= 3001. Do not include
10272 gensupport.h in any case.
10273 (write_conditions): Generate a definition of struct c_test. Add
10274 a comment to the generated #endif.
10275 (write_one_condition): Escape backslashes in string too.
10276 (write_writer): Generated code must escape backslashes and quote
10277 marks (but not newlines) in the strings it writes.
10278 * Makefile.in (build/gencondmd.o): Update dependencies.
10280 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10283 * Makefile.in (insn-automata.o): Add header file dependencies.
10284 * genautomata.c: Add includes.
10286 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10289 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10291 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10293 * configure.ac: Expect target tools paths to be passed from the toplevel
10294 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10296 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10298 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10301 * c.opt (Wpointer-sign): Init to -1.
10302 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10303 OPT_pedantic, to 0 otherwise.
10304 * doc/invoke.texi: Update.
10306 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10308 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10309 constants provided by 80387 instructions in the destination mode.
10311 2006-01-26 Richard Guenther <rguenther@suse.de>
10312 Andrew Pinski <pinskia@physics.uc.edu>
10315 partial PR tree-opt/17064
10316 * tree-ssa-structalias.c (intra_create_variable_infos):
10317 Create heap variables for incoming parameters if
10318 flag_argument_noalias > 1.
10319 (find_what_p_points_to): Look through default defs of
10322 2006-01-26 Jeff Law <law@redhat.com>
10325 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10326 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10327 within the VR_RANGE, use the VR_RANGE as the result, not the
10329 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10330 bounds for the type.
10332 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10334 * tree-ssa-alias.c (maybe_create_global_var): Change
10335 subvar walking to an assertion that we don't have subvar'd variables.
10337 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10340 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10341 Use a new variable, inner. PARM_DECLs are always non-weak.
10343 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10345 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10346 --disable-checking.
10348 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10350 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10352 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10354 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10355 (smax_insn, smin_insn, smax_0, smin_0): New.
10357 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10360 * config/cris/cris.c (cris_order_for_addsi3): New function.
10361 * config/cris/cris-protos.h: Prototype it.
10362 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10363 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10364 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10365 (split for "op.S1 [rx=rx+i],ry (swapped)")
10366 (split for "op(s|u).S1 [rx=rx+i],ry")
10367 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10368 Apply cris_order_for_addsi3 when generating addsi3 insns.
10370 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10372 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10373 (TREE_BLOCK): Add call to EXPR_CHECK.
10375 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10378 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10379 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10380 (dump_omp_clauses): ... here.
10381 (dump_generic_node): Handle OMP_CLAUSE.
10382 * tree.c (omp_clause_num_ops): New.
10383 (omp_clause_code_name): New.
10384 (tree_code_size): Handle OMP_CLAUSE.
10385 (tree_size): Likewise.
10386 (make_node): Document handling of OMP_CLAUSE.
10387 (tree_node_structure): Handle OMP_CLAUSE.
10388 (omp_clause_check_failed): New.
10389 (omp_clause_range_check_failed): New.
10390 (omp_clause_operand_check_failed): New.
10391 (build_omp_clause): New.
10392 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10393 * tree.h (enum omp_clause_code): Declare.
10394 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10395 (OMP_CLAUSE_RANGE_CHECK): Define.
10396 (OMP_CLAUSE_ELT_CHECK): Define.
10397 (omp_clause_check_failed): Declare.
10398 (omp_clause_operand_check_failed): Declare.
10399 (omp_clause_range_check_failed): Declare.
10400 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10401 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10402 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10403 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10404 (OMP_CLAUSE_IF_EXPR): Likewise.
10405 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10406 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10407 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10408 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10409 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10410 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10411 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10412 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10413 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10414 (OMP_CLAUSE_CODE): Define.
10415 (OMP_CLAUSE_SET_CODE): Define.
10416 (OMP_CLAUSE_CODE): Define.
10417 (OMP_CLAUSE_OPERAND): Define.
10418 (struct tree_omp_clause): Declare.
10419 (union tree_node): Add field 'omp_clause'.
10420 * treestruct.def (TS_OMP_CLAUSE): Define.
10421 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10422 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10423 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10424 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10425 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10426 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10427 (OMP_CLAUSE): Define.
10428 * print-tree.c (print_node): Handle OMP_CLAUSE.
10429 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10430 * c-typeck.c: Likewise.
10431 * gimplify.c: Likewise.
10432 * c-omp.c: Likewise.
10433 * tree-nested.c: Likewise.
10434 * tree-inline.c: Likewise.
10435 * c-parser.c: Likewise.
10436 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10439 2006-01-25 Roger Sayle <roger@eyesopen.com>
10441 PR rtl-optimization/25703
10442 * combine.c (try_combine): Handle zero_extract and strict_low_part
10443 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10445 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10447 * global.c: Fix comment typos.
10449 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10452 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10453 Use output_addr_const instead of assemble_name.
10455 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10457 * Makefile.in (sched-vis.o): Update dependencies.
10458 * haifa-sched.c (sched_finish): Clear current_sched_info.
10459 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10460 (dump_flow_info): Call it.
10461 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10463 * basic-block.h (dump_bb_info): Declare.
10464 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10465 option, and apply options only for dump files whose TDF_RTL,
10466 TDF_TREE, or TDF_IPA bits match.
10467 * rtl.h: Declare new functions exported from sched-vis.c.
10468 * sched-vis.c: Enable also if scheduling is not used.
10469 (print_value): Print the mode of registers if not inside scheduling.
10470 (print_insn): Make it work outside the scheduler. Beautify the output
10472 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10474 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10476 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10477 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10478 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10479 depending on the value of CONSTANT_POOL_ADDRESS_P.
10480 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10482 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10483 rather than SYMBOL_REF_DECL.
10484 (rtx_constant_pool): Remove const_rtx_sym_htab.
10485 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10486 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10487 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10488 Remove handling of const_rtx_sym_htab.
10489 (find_pool_constant): Delete.
10490 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10491 rather than find_pool_constant.
10492 (get_pool_constant_for_function): Delete.
10493 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10494 find_pool_constant.
10495 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10496 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10497 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10498 (SYMBOL_REF_CONSTANT): New macro.
10499 (get_pool_constant_for_function): Delete.
10500 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10501 rather than SYMBOL_REF_DECL.
10502 (i386_pe_mark_dllimport): Likewise.
10503 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10504 rather than SYMBOL_REF_DECL.
10505 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10506 (machopic_indirect_call_target): Likewise.
10508 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10510 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10512 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10514 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10516 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10518 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10520 2006-01-24 David Daney <ddaney@avtrex.com>
10523 * configure.ac (enable_tls): New enable option.
10524 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10525 * configure: Regenerate.
10526 * doc/install.texi (--enable-tls): Document new option.
10527 (--disable-tls): Ditto.
10529 2006-01-24 Richard Henderson <rth@redehat.com>
10531 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10532 * alias.c (true_dependence): Respect it.
10533 (canon_true_dependence, write_dependence_p): Likewise.
10534 * builtins.c (get_builtin_sync_mem): Set it.
10536 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10538 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10541 2006-01-24 DJ Delorie <dj@redhat.com>
10543 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10544 for storing constants in single-bit bitfields.
10546 2006-01-25 Ben Elliston <bje@au.ibm.com>
10548 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10550 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10553 * tree-ssa-pre.c (phi_translate): Return NULL
10554 for AGGREGATE_TYPE's.
10556 2006-01-24 Zack Weinberg <zackw@panix.com>
10558 * genautomata.c (process_state_for_insn_equiv_partition):
10559 Use xcalloc for insn_arcs_array.
10560 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10561 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10563 2006-01-24 Richard Henderson <rth@redhat.com>
10565 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10566 update all callers.
10568 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10570 PR rtl-optimization/25890
10571 PR rtl-optimization/25905
10572 * combine.c (expand_compound_operation, expand_field_assignment):
10573 Fail if the bitfield's final position is out of bounds.
10575 2006-01-24 Ian Lance Taylor <ian@airs.com>
10577 PR middle-end/25930
10578 * cgraphunit.c (cgraph_output_in_order): Don't clear
10579 cgraph_asm_nodes until after asm strings have been output.
10581 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10583 * fix-header.c (read_scan_file): Add new parameter imultilib when
10584 calling register_include_chains.
10586 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10588 * omp-low.c: Update documentation.
10590 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10591 Daniel Berlin <dberlin@dberlin.org>
10595 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10596 return from the function.
10598 2006-01-22 Zack Weinberg <zackw@panix.com>
10600 * rtl.def (match_code): Add second argument.
10601 * genpreds.c (write_extract_subexp): New function.
10602 (write_match_code): Add path argument. Use write_extract_subexp.
10603 (write_predicate_expr): Pass path to write_match_code.
10604 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10605 not perform a mode test.
10606 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10607 a subexpression does not constrain the top-level code set.
10608 * read-rtl.c (read_rtx_variadic): New function.
10609 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10610 * doc/md.texi: Document new notation.
10611 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10612 (cmpsi_operand): ... here, using new notation.
10614 2006-01-22 Zack Weinberg <zackw@panix.com>
10616 * varray.c: Remove GENERATOR_FILE #ifdefs.
10618 2006-01-22 Zack Weinberg <zackw@panix.com>
10620 * genautomata.c (output_reserved_units_table): Emit nothing if
10621 description->query_units_num is zero. Remove extra blank line.
10622 (output_cpu_unit_reservation_p): Short circuit
10623 if description->query_units_num is zero.
10625 2006-01-22 Zack Weinberg <zackw@panix.com>
10627 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10628 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10629 nor any of the random handful of variables that used to be necessary
10630 when this program was linked with rtlanal.o. Prune set of forward
10631 function declarations.
10632 (struct attr_desc): Remove static_p field.
10633 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10634 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10635 (attr_string): Do not read the character one past the length of
10637 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10638 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10639 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10640 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10641 (make_automaton_attrs): New.
10642 (main): Do not call into genautomata. Call local gen_bypass
10643 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10644 Remove special case for insn_alts.
10645 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10646 varray.h (leftover from previous change). Prune set of forward
10647 function declarations. Remove state_alts fields from all
10648 structures. Remove state_alts_table from struct automaton.
10649 Make everything except main static. Do not maintain num_dfa_decls.
10650 Do not maintain state_alts fields of various structures.
10651 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10652 (add_arc): Remove state_alts argument. All callers updated.
10653 (output_reserved_units_table): Emit #ifdef here...
10654 (output_tables): ...not here. Don't generate state_alts tables.
10655 (expand_automata): Don't generate attributes.
10656 (write_automata): Don't generate state_alts functions.
10657 (main): New function.
10658 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10659 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10660 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10661 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10662 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10663 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10664 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10665 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10667 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10668 * genattrtab.h: Delete file.
10669 * Makefile.in (OBJS-common): Add insn-automata.o.
10670 (insn-automata.o): New rule.
10671 (simple_generated_c): Add insn-automata.c.
10672 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10673 (genprogmd): Add automata.
10674 (build/genattrtab): Needs no extra objects nor libraries.
10675 (build/genautomata): Needs build/vec.o and -lm.
10677 2006-01-22 Zack Weinberg <zackw@panix.com>
10679 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10680 (output_dfa_max_issue_rate, locked_states_num): Delete.
10681 (struct automaton): Add locked_states field.
10682 (output_dead_lock_vect): Save number of locked states in
10683 automaton->locked_states. If it is zero, don't print anything.
10684 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10685 (output_internal_dead_lock_func): Only test the dead_lock_vect
10686 for automata that have locked states.
10687 (output_statistics): Always print the number of locked states for
10688 each automaton. Calculate total number of locked states here.
10689 (write_automata): Don't call output_dfa_max_issue_rate.
10690 * genattrtab.c: Define length_unit_log as a const variable.
10691 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10692 max_insn_queue_index const.
10693 * final.c (length_unit_log): Declare const.
10694 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10696 2006-01-22 Zack Weinberg <zackw@panix.com>
10698 * genautomata.c: Include vec.h, not varray.h.
10699 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10700 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10701 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10702 VEC_* macros operating on appropriately typed vectors, or to
10703 malloced arrays when the size is known in advance. Const-ify
10704 many char* variables and function arguments. No functional changes.
10705 * Makefile.in (build/varray.o): Delete rule.
10706 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10707 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10709 2006-01-22 Zack Weinberg <zackw@panix.com>
10711 * gensupport.c: Define get_insn_name and record_insn_name here.
10712 (read_md_rtx): Call record_insn_name as appropriate.
10713 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10714 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10715 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10717 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10718 (BUILD_VARRAY): Delete.
10719 (genprognormal): Rename genprogmd. Fold in all programs from
10720 genprognoprint; also attrtab.
10721 (build/genattrtab): Just mention genautomata.o and varray.o.
10722 Reorganize a bit, add comments to make the categories clearer.
10724 2006-01-22 Zack Weinberg <zackw@panix.com>
10726 * genconditions.c (condition_table, add_condition): Delete.
10727 (write_conditions): Don't emit n_insn_conditions nor
10728 insn_elision_unavailable. Issue the gcc version #ifdef here,
10729 inside the table, with no #else clause ...
10730 (write_header): ...not here.
10731 (write_writer): New function.
10732 (main): Don't initialize condition_table. Use add_c_test.
10734 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10735 files on the command line.
10736 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10737 Return -1 if there is no entry in the table, don't abort.
10738 (add_c_test, traverse_c_tests): New functions.
10739 * gensupport.h (insn_elision_unavailable, insn_conditions)
10740 (n_insn_conditions): Delete declarations.
10741 (add_c_test, traverse_c_tests): Declare.
10742 * read-rtl.c: Include gensupport.h.
10743 (read_conditions): New function.
10744 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10745 (read_rtx_1): If we get EOF when we were looking for an initial
10746 open paren, return 0. Call read_conditions when appropriate.
10747 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10748 dummy-conditions.o. Eliminate references to insn-conditions.o,
10749 or change them to build/gencondmd.o, as appropriate. Remove
10750 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10751 from $(simple_generated_c). For all files remaining in those
10752 two lists, add insn-conditions.md to the generator command line.
10753 Give insn-constants.h/s-constants their own rules. Add rules
10754 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10755 (build/read-rtl.o): Depend on gensupport.h.
10756 (genprognormal): Include preds.
10757 (genprogearly): Rename genprognoprint; only difference is now that
10758 they don't link with $(BUILD_PRINT).
10759 * dummy-conditions.c: Delete.
10761 2006-01-22 Zack Weinberg <zackw@panix.com>
10763 * genextract.c: Don't include insn-config.h. Do include vec.h.
10764 Declare vectors of int, char, and locstr.
10765 (locstr): New typedef.
10766 (struct extraction): Make all array fields into bare pointers.
10767 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10768 (insn_code_number): Delete.
10769 (accum_extract): New struct.
10770 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10771 (gen_insn): Take insn_code_number as an argument. Use an
10772 accum_extract structure instead of loading data directly into
10773 a struct extraction, and having to know how big it might get.
10774 (walk_rtx): Operate entirely on an accum_extract structure.
10775 (print_path): Avoid unnecessary use of printf.
10776 (print_header): New function, split out of main. Distinguish
10777 more carefully between an unrecognizable insn and an insn that
10778 has the code number of a define_expand.
10779 (main): Pass insn_code_number to gen_insn. Call print_header
10780 only after parsing. Avoid unnecessary use of printf.
10781 * Makefile.in (build/vec.o): New rule.
10782 (build/genextract): Depend on build/vec.o.
10783 (build/genextract.o): Don't depend on insn-config.h.
10785 2006-01-22 Zack Weinberg <zackw@panix.com>
10787 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10788 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10789 practical. Eliminate per-generator-program link rules.
10791 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10793 PR middle-end/24437
10794 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10795 with a call expr to ...
10796 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10798 2006-01-23 Richard Guenther <rguenther@suse.de>
10800 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10801 before make_edge with conditional EDGE_TRUE_VALUE.
10803 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10804 Jan Hubicka <jh@suse.cz>
10805 Richard Guenther <rguenther@suse.de>
10807 PR rtl-optimization/25654
10808 * cfgexpand.c (aggregate_contains_union_type): New function.
10809 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10810 for structure variables that contain a union type.
10812 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10814 * gengtype.c (new_structure): Return the structure.
10815 (create_option): Add an extra "next" argument.
10816 (create_field): New function.
10817 (adjust_field_rtx_def): Use create_option and create_field.
10818 Remove a now-unnecessary call to find_structure.
10819 (adjust_field_tree_def): Likewise.
10820 (note_yacc_type): Remove an unnecessary call to find_structure.
10821 * gengtype.h (new_structure): Return the structure.
10822 (create_option): Add an extra argument.
10823 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10824 (option): Adjust calls to create_option.
10826 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10828 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10830 2006-01-22 Paul Brook <paul@codesourcery.com>
10831 Peter Barada <peter@the-baradas.com>
10833 * config/m68k/m68k.md: Add Coldfire FPU support.
10834 Define FP mode macro and associated attributes.
10835 Use it for float mode patterns.
10836 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10837 (LIBCALL_VALUE): Use m68k_libcall_value.
10838 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10839 (m68k_function_value): Ditto.
10840 (emit_move_sequence): Ditto.
10841 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10842 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10843 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10844 (MULTILIB_EXCEPTIONS): Ditto.
10845 * config/m68k/m68k.opt: Add mcfv4e.
10846 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10847 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10848 (m68k_output_function_prologue): Save ColdFire FPU registers.
10849 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10850 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10851 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10852 ColdFire FPU registers.
10853 (m68k_libcall_value, m68k_function_value): New functions.
10854 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10855 (LIBCALL_VALUE): Use m68k_libcall_value.
10856 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10857 (MASK_COLDFIRE): Add MASK_CFV4E.
10858 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10859 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10860 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10861 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10862 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10863 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10864 * doc/invoke.tex: Document -mcfv4e on m68k.
10866 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10868 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10871 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10874 * c-opts.c (c_common_handle_option): Don't include
10875 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10876 * doc/invoke.texi (C++ Dialect Options): Document that
10877 -Wnon-virtual-dtor is no longer included in -Wall.
10879 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10881 * gcov.c (print_version), gcov-dump.c (print_version),
10882 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10885 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10887 * df-scan.c (problem_SCAN): Added NULL reset function.
10888 (df_scan_reset_blocks): Added code to call reset block function
10889 (df_bb_refs_delete) Fixed comment.
10890 (df_insn_refs_delete): Made tolerant of deleting non existent info
10891 for dataflow problems that need to be reset.
10892 * df-core.c (df_set_blocks): Ditto.
10893 * df.h (struct df_problem): Added reset_fun.
10894 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10895 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10896 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10897 functions to clear out all references to def-use or use-def chains.
10899 2006-01-21 Ben Elliston <bje@au.ibm.com>
10901 * varasm.c (assemble_real): Initialise data array.
10903 2006-01-20 Paul Brook <paul@codesourcery.com>
10905 Merge from csl-arm-branch.
10906 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10907 * config/arm/arm.md (movdi): Force operands[1] to a register
10908 if we have a non-register source.
10909 (*arm_movdi, *movdf_soft_insn): Require that one of the
10910 operands be a register.
10911 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10912 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10914 2006-01-20 DJ Delorie <dj@redhat.com>
10916 * varasm.c (initializer_constant_valid_p): Allow pointers
10917 initialized from integer constants of lesser precision.
10918 (output_constant): Allow non-int-sized pointer modes to be
10919 initialized from integer constants.
10921 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10924 * cppdefault.h (struct default_include): Add multilib flag.
10925 * cppdefault.c (cpp_include_defaults): Set it.
10926 * c.opt (-imultilib): New option.
10927 * c-opts.c (imultilib): New.
10928 (c_common_handle_option): Handle -imultilib.
10929 (c_common_post_options): Likewise.
10930 * c-incpath.c (add_standard_paths, register_include_chains):
10932 * c-incpath.h (register_include_chains): Add extra parameter.
10933 * gcc.c (do_spec_1): Generate -imultilib option.
10934 (The Specs Language): Update %I description.
10935 (process_command): Update copyright notice.
10936 * doc/cppopts.texi (-imultilib): Document.
10937 * doc/invoke.texi (-imultilib): Include in option summary.
10938 (%I): Update specs documentation.
10940 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10942 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10944 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10946 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10949 2006-01-20 Richard Guenther <rguenther@suse.de>
10950 Steven Bosscher <stevenb.gcc@gmail.com>
10952 PR rtl-optimization/24626
10953 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10954 EDGE_TRUE_VALUE if in RTL mode.
10957 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10958 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10960 2006-01-20 Dirk Mueller <dmueller@suse.com>
10963 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10964 instead of a special NOP marker.
10965 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10966 NOP marker handling.
10967 * c-common.h (empty_body_warning): Add forward declaration.
10968 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10969 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10971 2006-01-20 Paul Brook <paul@codesourcery.com>
10973 * Makefile.in (lang_checks): Keep going if mkdir fails.
10975 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10977 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10978 be able to clean out basic block when not necessary.
10979 (df_scan_free): Fixed to properly delete information if df is
10980 unused before calling df_finish.
10981 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10982 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10984 (df_bb_refs_delete): New function.
10985 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10986 * df-core.c (df_set_blocks): Added code to properly clean out
10987 unused blocks if they are not part of the blocks to consider.
10988 Added additional null check.
10989 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10990 be able to clean out basic block when not necessary
10991 * df.h (df_free_bb_function): Ditto.
10992 (df_bb_refs_delete): New function.
10993 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10994 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10995 basic block parameter to be able to clean out basic block when not
10997 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10998 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10999 Fixed to properly delete information if df is unused before
11002 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11004 PR rtl-optimization/25799
11005 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11006 Corrected confluence operator to remove bits from op2 before oring
11007 with op1 rather than removing bits from op1.
11008 (df_ru_transfer_function): Corrected test on wrong bitmap which
11009 caused infinite loop. Both of these problems were introduced in
11010 the dataflow rewrite.
11012 2006-01-19 DJ Delorie <dj@redhat.com>
11014 * reload1.c (find_reload_regs): Note the details of reload
11015 failures in the dump file.
11016 (spill_failure): Likewise.
11018 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11020 * loop-iv.c: Include df.h and hashtab.h.
11021 (enum iv_grd_result): New enum.
11022 (DF_REF_IV, DF_REF_IV_SET): New macros.
11023 (struct biv_entry): New.
11024 (df, bivs): New global variables.
11025 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11026 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11028 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11029 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11030 analyzed_for_bivness_p, record_biv): New functions.
11031 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11032 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11033 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11035 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11037 (iv_number_of_iterations): Use new interface to iv analysis.
11038 * loop-unroll.c: Do not include varray.h.
11039 (analyze_iv_to_split_insn): Use new interface to iv
11041 * loop-unswitch.c (may_unswitch_on): Ditto.
11042 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11044 (df_bb_modify): Realloc tables to the new index.
11045 (df_find_use): New function.
11046 * df.h (df_find_use): Declare.
11047 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11049 * cfgloop.h (struct rtx_iv): Remove analysed field.
11050 (iv_get_reaching_def): Removed.
11051 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11052 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11053 (loop-iv.o): Add df.h and hashtab.h dependency.
11054 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11056 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11059 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11061 (__floatundisf, __floatundidf): Likewise.
11062 * libgcc2.h (IS_IBM_EXTENDED): Define.
11064 2006-01-19 DJ Delorie <dj@redhat.com>
11066 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11068 2006-01-19 Paul Brook <paul@codesourcery.com>
11070 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11071 as nothrow when unwinding tables are disabled.
11073 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11076 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11077 of bit-field" when in system header.
11079 2006-01-19 DJ Delorie <dj@redhat.com>
11081 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11082 the 16 bit shift limit of the m16c.
11084 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11087 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11088 * config/i386/i386.c (output_set_got): Output the label if we have one
11089 for the TARGET_DEEP_BRANCH_PREDICTION case.
11091 2006-01-19 Jan Hubicka <jh@suse.cz>
11092 H.J. Lu <hongjiu.lu@intel.com>
11093 Evandro Menezes <evandro.menezes@amd.com>
11095 * invoke.texi (generic): Document
11097 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11098 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11099 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11100 (x86_use_incdec, x86_pad_returns): New variables
11101 (TARGET_CPU_DEFAULT_generic): New constant
11102 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11103 (enum processor_type): Add generic32 and generic64.
11104 * i386.md (cpu attribute): Add generic32/generic64
11105 (movhi splitter): Behave sanely when both partial_reg_dependency and
11106 partial_reg_stall are set.
11107 (K8 splitters): Enable for generic as well.
11108 * predicates.md (incdec_operand): Use TARGET_INCDEC
11109 (aligned_operand): Avoid memory mismatch stalls.
11110 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11111 * ppro.md: Enable for generic32
11112 * i386.c (generic64_cost, generic32_cost): New.
11113 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11114 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11115 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11116 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11117 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11118 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11119 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11120 x86_accumulate_outgoing_args, x86_prologue_using_move,
11121 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11122 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11123 Enable for generic.
11124 (x86_use_incdec, x86_pad_returns): New.
11125 (override_options): Add generic32 and generic64, translate "generic"
11126 to generic32/generic64 and "i686" to "generic32", refuse
11127 "generic32"/"generic64" as arch target.
11128 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11129 (ix86_reorg): Honor PAD_RETURNS.
11131 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11133 * tree-pretty-print.c (dump_generic_node): Handle
11134 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11135 * cgraph.c (cgraph_expand_queue): Rename from
11136 cgraph_analyze_queue. Update all users.
11137 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11138 cgraph_expand_queue.
11139 (cgraph_expand_all_functions): Likewise.
11140 (cgraph_finalize_pending_functions): Remove. Update callers.
11142 * tree.h (OMP_DIRECTIVE_P): Define.
11143 (OMP_PARALLEL_FN): Define.
11144 (OMP_PARALLEL_DATA_ARG): Define.
11145 (OMP_SECTIONS_SECTIONS): Define.
11146 * tree-pass.h (pass_expand_omp): Declare.
11147 * omp-low.c (struct omp_region): Declare.
11148 (struct omp_context): Remove fields 'parallel_type',
11149 'parallel_start_ix' and 'parallel_start_additional_args'.
11151 (struct omp_for_data): Rename from struct expand_omp_for_data.
11152 (omp_regions): New static variable.
11153 (root_omp_region): New static variable.
11154 (find_omp_clause): Make static.
11155 (is_in_combined_parallel_ctx): Remove.
11156 (is_combined_parallel): New.
11157 (extract_omp_for_data): Move earlier in the file.
11158 (workshare_safe_to_combine_p): New.
11159 (get_ws_args_for): New.
11160 (determine_parallel_type): Move earlier in the file.
11161 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11163 (omp_copy_decl): Likewise.
11164 (create_omp_child_function): Likewise.
11165 (lookup_omp_region): New.
11166 (dump_omp_region): New.
11167 (debug_omp_region): New.
11168 (debug_all_omp_regions): New.
11169 (new_omp_region): New.
11170 (scan_omp_parallel): If parallel_nesting_level > 1, the
11171 directive is nested within another parallel directive.
11172 Set OMP_PARALLEL_FN.
11173 (scan_omp_for): Do not try to handle combined parallel+for
11175 Remove FIXME comment.
11176 (scan_omp_nested): Remove.
11177 (scan_omp_1): Do not call scan_omp_nested when
11178 parallel_nesting_level is > 1.
11179 Do not change the DECL_CONTEXT of local variables found.
11180 (lookup_decl_in_outer_ctx): New.
11181 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11182 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11183 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11184 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11185 If CTX is nested, lookup VAR in the outer context when
11186 building copy assignment.
11187 (lower_send_clauses): Rename from expand_send_clauses.
11188 If CTX is nested, lookup VAR in the outer context when
11189 building copy assignments.
11190 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11191 If CTX is nested, lookup VAR in the outer context when
11192 building copy assignments.
11193 (expand_parallel_call): Rename from build_parallel_call.
11194 Handle combined parallel+workshare cases.
11195 Re-implement to emit code into the CFG.
11197 (expand_omp_parallel): Re-implement to emit code into the CFG.
11198 Call move_sese_region_to_fn to outline the sub-graph
11199 containing the parallel region.
11200 (expand_omp_for_1): Remove.
11201 (expand_omp_for_generic): Re-implement to emit code into the
11203 (expand_omp_for_static_nochunk): Likewise.
11204 (expand_omp_for_static_chunk): Likewise.
11205 (expand_omp_for): Likewise.
11206 (expand_omp_sections): Likewise.
11207 (remove_exit_barriers): New.
11208 (expand_omp_synch): New.
11210 (build_omp_regions_1): New.
11211 (build_omp_regions): New.
11212 (execute_expand_omp): New.
11213 (gate_expand_omp): New.
11214 (pass_expand_omp): Define.
11215 (lower_omp_sections): Rename from expand_omp_sections.
11216 Set OMP_SECTIONS_SECTIONS.
11217 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11218 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11219 (lower_omp_single): Rename from expand_omp_simple.
11220 (lower_omp_master): Rename from expand_omp_master.
11221 (lower_omp_ordered): Rename from expand_omp_ordered.
11222 (lower_omp_critical): Rename from expand_omp_critical.
11223 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11224 (lower_omp_for): Re-implement.
11225 (lower_omp_parallel): Re-implement.
11226 (lower_regimplify): Rename from expand_regimplify.
11227 (lower_omp_1): Rename from expand_omp_1.
11228 If there are syntax errors in the program, replace every
11229 OpenMP directive with NOP.
11230 Call lower_omp_* instead of expand_omp_*.
11231 (lower_omp): Rename from expand_omp.
11233 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11234 * tree-gimple.h (enum omp_parallel_type): Remove.
11235 (gimple_boolify): Declare extern.
11236 (find_omp_clause, determine_parallel_type): Remove.
11238 * gimple-low.c (lower_omp_directive): New.
11239 (lower_stmt): Call it.
11240 (record_vars_into): Move from ...
11241 (record_vars): ... here.
11242 Call record_vars_into with current_function_decl.
11244 * gimplify.c (struct gimplify_ctx): Remove fields
11245 combined_pre_p and combined_ctxp. Update users.
11246 (get_formal_tmp_var): Add documentation.
11247 (gimple_boolify): Make extern.
11248 (gimplify_expr_in_ctx): Remove. Update callers.
11249 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11250 will always be a BIND_EXPR.
11251 (gimplify_expr): Handle OMP_RETURN_EXPR.
11252 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11253 (OMP_PARALLEL): Add 3 operands.
11254 (OMP_SECTIONS): Add 1 operand.
11255 (OMP_RETURN_EXPR): Define.
11257 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11258 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11259 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11260 creating a circular free list.
11261 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11263 * tree-flow.h (move_sese_region_to_fn): Declare.
11264 (record_vars_into): Declare.
11265 * tree-cfg.c (make_omp_sections_edges): New.
11266 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11267 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11268 OMP_SECTIONS and OMP_SECTION.
11269 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11270 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11271 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11272 (gather_blocks_in_sese_region): New.
11273 (struct move_stmt_d): Declare.
11274 (move_stmt_r): New.
11275 (move_block_to_fn): New.
11276 (move_sese_region_to_fn): New.
11278 * passes.c (init_optimization_passes): Schedule
11279 pass_expand_omp after pass_init_datastructures.
11281 * tree-ssa-operands.c (get_expr_operands): Handle
11282 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11283 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11285 2006-01-19 Jeff Law <law@redhat.com>
11287 * tree-vrp.c (extract_range_from_assert): Refine the result range
11288 if the variable referenced by the ASSERT_EXPR has a range and
11289 either the tentative result range or the previous range is a
11292 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11294 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11296 2006-01-19 Jan Hubicka <jh@suse.cz>
11298 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11300 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11302 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11303 (expand_compound_operation, expand_field_assignment): Fail if the
11304 bit lengths of an extract operation are out of range.
11305 (make_extraction): Compute wanted_inner_mode based on the position
11306 and length of the extraction. Make it extraction_mode for non-constant
11307 positions, and do not modify offset in that case. When generating a
11308 new MEM, use a mode that can hold the extraction while keeping correct
11309 alignment. Remove code that supported MEMs wrapped by USEs.
11310 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11312 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11314 * config/s390/s390.md ("Y", "y"): New mode attribute.
11315 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11316 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11317 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11318 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11319 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11320 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11321 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11322 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11323 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11324 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11325 "addsi3", "subsi3"): Insn patterns removed.
11326 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11327 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11328 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11329 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11330 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11331 "*sub<mode>3_cconly2"): New insn patterns.
11332 ("addsi3", "subsi3"): New expanders.
11334 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11336 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11337 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11338 existing STMT_VINFO_VECTYPE if available.
11339 (vect_mark_relevant): Add special handling for stmts that are
11340 marked as STMT_VINFO_IN_PATTERN_P.
11341 (vect_analyze_loop): Call vect_pattern_recog.
11342 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11343 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11345 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11346 (vect_recog_func_ptr): New function-pointer type.
11347 * tree-vect-patterns.c: New file.
11348 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11349 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11350 (vect_pattern_recog_1): New functions.
11351 (vect_pattern_recog_funcs): New array of function pointers.
11353 * tree-vectorizer.h (ternary_op): New enum value.
11354 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11355 declaration. Revised documentation. Removed redundant dump prints.
11356 Removed redundant argument. Added support for reduction patterns.
11357 (vectorizable_reduction): Added support for reduction patterns.
11358 (vect_transform_stmt): Added support for patterns.
11360 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11361 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11362 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11363 (expand_widen_pattern_expr): New function.
11364 (init_optabs): Initialize new optabs udot_prod_optab,
11366 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11367 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11368 (expand_widen_pattern_expr): New function declaration.
11369 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11371 * tree-inline.c (estimate_num_insns_1): Added cases for new
11372 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11373 * tree-pretty-print.c (dump_generic_node): Likewise.
11374 (op_prio): Likewise.
11375 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11376 * tree-ssa-operands.c (get_expr_operands): Added case for
11378 * tree-vect-patterns.c (widened_name_p): New function.
11379 (vect_recog_dot_prod_pattern): Added function implementation.
11380 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11381 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11382 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11383 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11385 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11386 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11387 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11388 (init_optabs): Initialize new optabs widen_ssum_optab,
11390 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11391 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11392 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11393 use instead of type of def.
11394 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11395 function implementation.
11396 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11397 widen_ssumv8hi): New.
11399 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11402 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11405 * c-decl.c (add_flexible_array_elts_to_size): New function.
11406 (finish_decl): Use it.
11408 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11410 * diagnostic.h: Include options.h.
11411 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11412 dependancies for diagnostic.h.
11413 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11415 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11417 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11418 (ssa_ro_call_cache_valid): Ditto.
11419 * tree-ssa-alias.c (sort_tags_by_id): New function.
11420 (init_transitive_clobber_worklist): Ditto.
11421 (add_to_worklist): Ditto.
11422 (mark_aliases_call_clobbered): Ditto.
11423 (compute_tag_properties): Ditto.
11424 (set_initial_properties): Ditto.
11425 (compute_call_clobbered): Ditto.
11426 (compute_may_aliases): Call compute_call_clobbered and grouping.
11427 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11428 (compute_flow_insensitive_aliasing): Grouping now happens in our
11430 (setup_pointers_and_addressables): Remove clobbering related code.
11431 (add_may_alias): Ditto.
11432 (replace_may_alias): Ditto.
11433 (get_nmt_for): Ditto.
11434 (create_global_var):
11435 (is_escape_site): Return an escape_type enumeration.
11436 * tree-flow-inline.h (is_call_clobbered): Global var does not
11437 imply call clobbered.
11438 (mark_call_clobbered): Take a reason for marking this. Remove
11439 marking of globalness, and cache invalidation.
11440 (clear_call_clobbered): Remove cache invalidation code.
11441 * tree-dfa.c (dump_variable): If details is on, dump the reason
11443 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11445 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11446 (struct var_ann_d): Ditto.
11447 (enum escape_type): New.
11448 (mark_call_clobbered): Adjust prototype.
11449 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11450 are never call clobbered.
11451 Record reasons for escaping.
11452 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11453 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11454 (ssa_ro_call_cache_valid): Ditto.
11455 (clobbered_v_may_defs): Ditto.
11456 (clobbered_vuses): Ditto.
11457 (ro_call_vuses): Ditto.
11458 (clobber_stats): New.
11459 (init_ssa_operands): Zero out clobber stats.
11460 (fini_ssa_operands): Print out clobber stats.
11461 (get_call_expr_operands): Pass callee fndecl to
11462 add_call_read_ops).
11463 (add_call_clobber_ops): Remove use of cache.
11464 Add use of PURE_CONST information.
11465 (add_call_read_ops): Remove use of cache.
11466 Add use of static not_read information.
11468 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11470 Introduce TLS descriptors for i386 and x86_64.
11471 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11472 (TARGET_ANY_GNU_TLS): New macro.
11473 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11474 (struct machine_function): Add tls_descriptor_call_expanded_p.
11475 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11476 (ix86_current_function_calls_tls_descriptor): Likewise.
11477 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11478 (override_options): Introduce gnu2 tls dialect.
11479 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11481 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11483 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11484 (ix86_init_machine_status): Initialize new field.
11485 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11486 (ix86_tls_module_base): New.
11487 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11488 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11489 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11490 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11491 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11492 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11493 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11494 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11495 * config/i386/predicates.md (tls_modbase_operand): New.
11496 (tp_or_register_operand): New.
11498 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11500 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11501 (look_for_address_of): Ditto.
11502 (ipa_init): Walk the function decls.
11503 (static_execute): Don't set readonly on FUNCTION_DECL's.
11505 2006-01-18 Roger Sayle <roger@eyesopen.com>
11507 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11508 for shifts where the source and destination registers are different.
11510 2006-01-18 Paul Brook <paul@codesourcery.com>
11512 Merge from csl-arm-branch.
11513 2005-03-14 Julian Brown <julian@codesourcery.com>
11514 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11515 (aeabi_llsl): Likewise.
11516 (ashrdi3): Likewise.
11517 (aeabi_lasr): Likewise.
11518 (lshrdi3): Likewise.
11519 (aeabi_llsr): Likewise.
11520 2005-03-10 Julian Brown <julian@codesourcery.com>
11521 * config.gcc: Disable shared libgcc for SymbianOS.
11522 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11524 2006-01-18 DJ Delorie <dj@redhat.com>
11526 * c-pragma.c (handle_pragma_diagnostic): New.
11527 (init_pragma): Register it.
11528 * doc/extend.texi: Document it.
11530 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11531 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11532 (diagnostic_context): Add classify_diagnostic[].
11533 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11534 as errors if they're overridden to DK_WARNING.
11535 (diagnostic_initialize): Initialize classify_diagnostic[].
11536 (diagnostic_set_kind_override): New.
11537 (diagnostic_report_diagnostic): Check for kind changes.
11538 * opts.c (common_handle_option): Take lang_mask. Update callers.
11539 Handle OPT_Werror_.
11540 * common.opt (Werror=): New.
11541 * doc/invoke.texi: Document -Werror=*
11543 2006-01-18 Jeff Law <law@redhat.com>
11545 * tree-vrp.c (test_for_singularity): Correct test for new
11546 min limit. Use operand_equal_p rather than pointer equality
11547 for testing if new min/max values are equal.
11549 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11550 using range information until after propagation and folding.
11552 2006-01-18 Richard Henderson <rth@redhat.com>
11553 Aldy Hernandez <aldyh@redhat.com>
11554 Jakub Jelinek <jakub@redhat.com>
11555 Diego Novillo <dnovillo@redhat.com>
11557 * omp-low.c: New file.
11558 * c-omp.c: New file.
11560 2006-01-18 Richard Henderson <rth@redhat.com>
11561 Jakub Jelinek <jakub@redhat.com>
11562 Diego Novillo <dnovillo@redhat.com>
11564 * doc/invoke.texi: Document -fopenmp.
11565 * tree-dump.h (debug_function): Declare.
11566 * hooks.c (hook_bool_tree_bool_false): New function.
11567 (hook_tree_tree_null): Remove.
11568 (hook_tree_tree_tree_null): New.
11569 * hooks.h: Update to match.
11570 * tree-pretty-print.c (debug_tree_chain): New.
11571 (print_generic_expr): Handle TDF_CHAIN.
11572 (dump_generic_node): Handle BLOCK.
11573 Do not abort with incomplete SWITCH_EXPRs.
11574 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11575 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11576 print space after directive name.
11577 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11578 Handle OMP_MASTER and OMP_ORDERED.
11579 Handle printing of OMP_BODY just in one place, goto
11580 dump_omp_body in the rest of OMP_* nodes that have
11582 Don't handle clause nodes here. Update omp statements to
11583 use dump_omp_clauses.
11584 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11585 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11586 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11587 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11588 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11589 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11590 Adjust output for GOMP_PARALLEL.
11591 (dump_omp_clauses): New.
11592 (print_declaration): Dump DECL_VALUE_EXPR.
11593 (op_symbol_1): Split out of op_symbol.
11594 (dumping_stmts): Remove. Update all users.
11595 * cgraph.c (cgraph_analyze_queue): New.
11596 (cgraph_add_new_function): New.
11597 * cgraph.h (cgraph_analyze_queue): Declare.
11598 (cgraph_add_new_function): Declare.
11599 (cgraph_lower_function): Remove.
11600 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11601 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11602 and TYPE_P nodes in its default clause.
11603 (empty_body_p): New.
11604 (tree_range_check_failed): New.
11605 (build5_stat): New.
11606 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11607 OMP_CLAUSE_REDUCTION_MERGE,
11608 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11609 OMP_CLAUSE_PRIVATE_DEBUG,
11610 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11611 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11612 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11613 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11614 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11615 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11616 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11617 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11618 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11619 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11620 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11621 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11622 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11623 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11624 (TREE_RANGE_CHECK): New.
11625 (empty_body_p): Declare.
11626 (enum omp_clause_default_kind): New.
11627 (build_string_literal): Declare.
11628 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11629 (build5_stat, build5): Declare.
11630 * tree-pass.h (TDF_CHAIN): Define.
11631 * tree-pass.h (PROP_gimple_lomp): Define.
11632 (pass_lower_omp): Declare.
11633 * diagnostic.h (debug_tree_chain): Declare.
11634 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11636 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11637 * builtins.c (build_string_literal): Make extern.
11638 * gcc.c (include_spec_function): New.
11639 (static_spec_functions): Add it.
11640 (main): Move load of libgomp.spec ...
11641 (LINK_COMMAND_SPEC): ... here.
11642 (link_gomp_spec): New.
11643 (static_specs): Include it.
11644 (LINK_COMMAND_SPEC): Add link_gomp.
11645 (GOMP_SELF_SPECS): New.
11646 (driver_self_specs): Include it.
11647 (switch_matches): Don't mark inline.
11648 (main): Load libgomp.spec.
11649 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11650 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11651 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11652 * tree-gimple.h (enum omp_parallel): Declare.
11653 (determine_parallel_type): Declare.
11654 (omp_firstprivatize_variable): Declare.
11655 (omp_reduction_init): Declare.
11656 (diagnose_omp_structured_block_errors): Declare.
11657 (struct walk_stmt_info): Add want_return_expr.
11658 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11659 (find_omp_clause): Declare.
11660 (insert_field_into_struct): Declare.
11661 (struct walk_stmt_info): Move from tree-nested.c
11662 (walk_stmts): Declare.
11663 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11665 * cgraphunit.c (cgraph_lower_function): Make static.
11666 (cgraph_finalize_pending_functions): New.
11667 (cgraph_finalize_function): Call it.
11668 (cgraph_finalize_compilation_unit): Likewise.
11669 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11670 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11671 (BT_FN_UINT_UINT): New.
11672 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11673 DEF_FUNCTION_TYPE_VAR_4): Document.
11674 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11675 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11676 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11677 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11678 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11679 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11680 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11681 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11682 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11683 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11684 into separate files.
11685 (DEF_GOMP_BUILTIN): New.
11686 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11687 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11688 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11689 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11690 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11691 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11692 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11693 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11694 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11695 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11696 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11697 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11698 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11699 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11700 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11701 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11702 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11703 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11704 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11705 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11706 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11707 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11708 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11709 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11710 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11711 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11712 * sync-builtins.def: New file, moved from builtins.def.
11713 * omp-builtins.def: New file, moved from builtins.def.
11714 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11715 * gimple-low.c (lower_function_body): Clear data.
11716 (lower_stmt): Do not handle COMPOUND_EXPR.
11717 Remove call to print_node_brief.
11718 * c-tree.h (c_finish_omp_clauses): New prototype.
11719 (C_DECL_THREADPRIVATE_P): Define.
11720 (lookup_name_no_remap, c_omp_remap_private): Remove
11721 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11722 (check_for_loop_decls): Update decl.
11723 (lookup_name_no_remap, c_omp_remap_private): Declare.
11724 (build_indirect_ref, build_modify_expr, pushdecl,
11725 pushdecl_top_level): Move to c-common.h.
11726 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11727 before the switch, but just in the 2 places that need it.
11728 * c-decl.c (diagnose_mismatched_decls): Do not check for
11729 mismatched thread-local attributes when OLDDECL is marked
11730 threadprivate and NEWDECL has no thread-local attributes.
11731 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11732 (c_gimple_diagnostics_recursively): Rename from
11733 c_warn_unused_result_recursively. Invoke
11734 diagnose_omp_structured_block_errors.
11735 (check_for_loop_decls): Return a singular decl found.
11736 * langhooks.c (lhd_omp_predetermined_sharing): Return
11737 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11738 (lhd_omp_firstprivatize_type_sizes): New.
11739 (lhd_omp_assignment): New.
11740 (lhd_omp_predetermined_sharing): New.
11741 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11742 (struct lang_hooks_for_types): Add
11743 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11744 omp_predetermined_sharing, omp_disregard_value_expr,
11745 omp_private_debug_clause, omp_clause_default_ctor,
11746 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11747 (c_finish_omp_clauses): New.
11748 (c_finish_bc_stmt): Diagnose break within omp for.
11749 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11750 (build_unary_op): Return error_mark after reporting
11752 (build_modify_expr): Likewise.
11753 * gimplify.c: Include optabs.h and pointer-set.h.
11754 (enum gimplify_omp_var_data): Declare.
11755 (struct gimplify_omp_ctx): Declare.
11756 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11758 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11759 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11760 (splay_tree_compare_decl_uid): New.
11761 (new_omp_context): New.
11762 (delete_omp_context): New.
11763 (gimple_add_tmp_var): Call omp_add_variable.
11764 (gimplify_bind_expr): Likewise.
11765 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11766 true, disregard DECL_VALUE_EXPR on the decl if any.
11767 (gimplify_expr_in_ctx): New.
11768 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11769 omp_add_variable, omp_notice_variable, omp_is_private
11770 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11771 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11772 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11773 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11774 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11775 gimplify_omp_atomic): New.
11776 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11777 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11778 OMP_CRITICAL and OMP_ATOMIC.
11779 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11780 * c-pragma.h (enum pragma_kind): Add
11781 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11782 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11783 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11784 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11785 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11786 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11787 PRAGMA_OMP_THREADPRIVATE.
11788 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11789 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11790 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11791 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11792 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11793 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11794 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11795 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11796 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11797 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11798 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11799 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11800 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11802 (struct nesting_info): Add field_map,
11803 suppress_expansion, debug_var_chain.
11804 (create_nesting_tree): Initialize them.
11805 (lookup_field_for_decl): Use field_map.
11806 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11807 (convert_local_omp_clauses): New.
11808 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11809 (walk_body): Split out of walk_function.
11810 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11811 (convert_nonlocal_reference): Handle omp statements.
11812 (convert_local_reference): Likewise.
11813 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11814 (unnest_nesting_tree): New.
11815 (lower_nested_functions): Call it.
11816 (insert_field_into_struct): Make extern.
11817 (struct walk_stmt_info): Move to tree-gimple.h.
11818 (walk_stmts): Make extern.
11819 * omp-builtins.def: New file.
11820 * tree-iterator.c (expr_only): Clarify comment.
11821 * c-common.h (pushdecl_top_level, pushdecl,
11822 build_modify_expr, build_indirect_ref,
11823 c_finish_omp_master, c_finish_omp_critical,
11824 c_finish_omp_ordered, c_finish_omp_barrier,
11825 c_finish_omp_atomic, c_finish_omp_flush,
11826 c_finish_omp_for, c_split_parallel_clauses,
11827 omp_clause_default_kind, c_omp_sharing_predetermined,
11828 c_omp_remap_decl): Declare.
11829 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11830 (OBJS-common): Add omp-low.o.
11831 (c-omp.o, omp-low.o): Add.
11832 (gimplify.o): Add dependency on $(OPTABS_H).
11833 (GTFILES): Add omp-low.c.
11834 (gt-stringpool.h): Add.
11835 * tree-cfg.c (set_bb_for_stmt): Do not update the
11836 block-to-labels map if we are currently expanding to RTL.
11837 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11839 Handle IDENTIFIER_NODE.
11840 (tree_verify_flow_info): Do not ICE when emitting error
11841 messages about invalid labels.
11842 (dump_function_to_file): Reset CFUN before emitting the body
11844 (debug_function): New.
11845 * passes.c (init_optimization_passes): Schedule
11847 * langhooks-def.h (lhd_omp_predetermined_sharing,
11848 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11850 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11851 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11852 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11853 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11854 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11855 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11856 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11857 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11858 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11859 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11860 (LANG_HOOK_DECLS): Use them.
11862 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11863 Richard Henderson <rth@redhat.com>
11864 Jakub Jelinek <jakub@redhat.com>
11865 Diego Novillo <dnovillo@redhat.com>
11867 * c-parser.c (pragma_omp_clause): Define.
11868 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11869 (c_parser_compound_statement): Likewise.
11870 (c_parser_statement): Likewise.
11871 (c_parser_pragma): Handle omp pragmas.
11872 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11873 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11874 (c_parser_omp_clause_name, check_no_duplicate_clause,
11875 c_parser_omp_variable_list,
11876 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11877 c_parser_omp_clause_copyprivate,
11878 c_parser_omp_clause_default,
11879 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11880 c_parser_omp_clause_lastprivate,
11881 c_parser_omp_clause_nowait,
11882 c_parser_omp_clause_num_threads,
11883 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11884 c_parser_omp_clause_reduction,
11885 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11886 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11887 c_parser_omp_atomic, c_parser_omp_barrier,
11888 c_parser_omp_critical, c_parser_omp_flush,
11889 c_parser_omp_for_loop, c_parser_omp_for,
11890 c_parser_omp_master, c_parser_omp_ordered,
11891 c_parser_omp_sections_scope, c_parser_omp_sections,
11892 c_parser_omp_parallel, c_parser_omp_single,
11893 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11894 * c-pragma.c (init_pragma): Do omp pragma registration here.
11895 * c.opt (fopenmp): New flag.
11897 2006-01-18 Eric Christopher <echristo@apple.com>
11899 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11900 * config/darwin.h (GOMP_SELF_SPECS): Define.
11902 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11904 * rtl.h: Remove the prototype for reg_alloc.
11906 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11909 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11910 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11911 sjlj and dwarf2 exception handling.
11912 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11913 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11914 * pa/pa.c (function_value): Treat complex and vector types as
11916 (function_arg): Likewise. Only pass scalar floats in the floating
11917 point argument registers.
11918 * pa/t-slibgcc-dwarf-ver: New file.
11919 * pa/t-slibgcc-sjlj-ver: New file.
11920 * pa/t-slibgcc-elf-ver: Delete file.
11922 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11924 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11925 unlikely_test_section_p test.
11927 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11929 * mode-switching.c (optimize_mode_switching): Make it static.
11930 * basic-block.h: Remove the prototype for
11931 optimize_mode_switching.
11933 * modulo-sched.c (sms_schedule): Make it static.
11934 * rtl.h: Remove the prototype for sms_schedule.
11936 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11937 * rtl.h: Remove the prototype for gcse_after_reload_main.
11939 * reg-stack.c (reg_to_stack): Make it static.
11940 * rtl.h: Remove the prototype for reg_to_stack.
11942 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11944 * rtl.h: Remove the prototypes for regrename_optimize and
11945 copyprop_hardreg_forward.
11947 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11949 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11950 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11951 Test against the appropriate null constant for the mode.
11952 If 'fixup_overlap' is true, swap the operands if they overlap.
11953 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11954 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11955 alpha_split_tmode_pair and adjust for above change.
11956 * config/alpha/alpha.md (movtf_internal): Adjust call to
11957 alpha_split_tfmode_pair and rely on it to swap the operands.
11958 (movti_internal): New insn and post-reload splitter.
11959 (movti): New expander.
11961 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11963 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11966 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11968 * rtlanal.c (global_reg_mentioned_p_1,
11969 global_reg_mentioned_p): Remove.
11970 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11972 * flow.c (initialize_uninitialized_subregs): Make it static.
11973 * rtl.h: Remove the prototype for
11974 initialize_uninitialized_subregs.
11976 * function.c (instantiate_virtual_regs): Make it static.
11977 * function.h: Remove the prototype for
11978 instantiate_virtual_regs.
11980 * regmove.c (regmove_optimize, combine_stack_adjustments):
11982 * rtl.h: Remove the prototypes for regmove_optimize and
11983 combine_stack_adjustments.
11985 2006-01-17 Roger Sayle <roger@eyesopen.com>
11987 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11988 (size_cost): Encode costs in bytes so that a reg-reg addition is
11989 equivalent to COSTS_N_INSNS(1).
11990 (override_options): Use the size_cost.branch_cost as the default
11991 ix86_branch_cost when optimizing for size.
11993 2006-01-18 Ben Elliston <bje@au.ibm.com>
11995 * Makefile.in (D32PBIT_FUNCS): New.
11996 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11997 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11998 D64PBIT_FUNCS and D128PBIT_FUNCS.
11999 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12000 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12002 (decnumber_dep): Define.
12003 * doc/libgcc.texi (Decimal float library routines): New node.
12004 * config/dfp-bit.h, config/dfp-bit.c: New files.
12006 2006-01-18 Ben Elliston <bje@au.ibm.com>
12008 * expr.c (emit_move_change_mode): Always adjust addresses, not
12009 just during reload. Copy replacements only during reload.
12010 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12011 emit_move_via_integer.
12013 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12015 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12016 instead of $(srcdir) and ${srcdir}.
12018 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12021 PR middle-end/11135
12022 * arm.h (struct machine_function): Add pic_reg.
12023 * arm.c (arm_pic_register): Make unsigned.
12024 (arm_override_options): Only set arm_pic_register if
12025 TARGET_SINGLE_PIC_BASE.
12026 (use_return_insn): Only test for a pic register if it is fixed.
12027 (arm_compute_save_reg0_reg12_mask): Likewise.
12028 (thumb_compute_save_reg_mask): Likewise.
12029 (legitimate_pic_operand): Factor out some known invariants.
12030 (legitimize_pic_address): If we don't have a fixed pic register,
12031 then set up a pseudo in the function entry sequence. Handle the
12032 pic base being in a pseudo.
12033 (arm_load_pic_register): Handle the pic register being in a pseudo.
12034 (arm_expand_prologue): Only set up the pic register if it is fixed.
12035 (thumb_expand_prologue): Likewise.
12036 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12037 (pic_load_addr_based_insn): Likewise.
12038 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12041 2006-01-18 Ben Elliston <bje@au.ibm.com>
12043 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12044 decimal float modes for all floating point registers.
12046 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12047 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12049 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12052 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12053 even when the pointer is not NULL.
12055 2006-01-16 Ian Lance Taylor <ian@airs.com>
12057 * common.opt (ftoplevel-reorder): New option.
12058 * cgraph.c (cgraph_asm_nodes): New global variable.
12059 (cgraph_asm_last_node): New static variable.
12060 (cgraph_order): New global variable.
12061 (cgraph_create_node): Set new order field.
12062 (cgraph_varpool_node): Likewise.
12063 (decide_is_variable_needed): Return true if not
12064 flag_toplevel_reorder.
12065 (cgraph_add_asm_node): New function.
12066 * cgraph.h (struct cgraph_node): Add order field.
12067 (struct cgraph_varpool_node): Add order field.
12068 (struct cgraph_asm_node): Define.
12069 (cgraph_asm_nodes, cgraph_order): Declare.
12070 (cgraph_add_asm_node): Declare.
12071 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12073 (cgraph_varpool_assemble_pending_decls): Call it.
12074 (cgraph_output_pending_asms): New static function.
12075 (cgraph_finalize_compilation_unit): Call it.
12076 (struct cgraph_order_sort): Define.
12077 (cgraph_output_in_order): New static function.
12078 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12079 !flag_toplevel_reorder case.
12080 * c-parser.c: Include "cgraph.h".
12081 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12083 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12084 than -fno-unit-at-a-time.
12085 * doc/invoke.texi (Option Summary): Mention
12086 -fno-toplevel-reorder.
12087 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12088 -funit-at-a-time documentation.
12090 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12091 Kazu Hirata <kazu@codesourcery.com>
12093 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12095 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12097 * Makefile.in (FUNCTION_H): New. Use it instead of
12098 function.h throughout the file.
12099 * function.h: Include tree.h.
12101 2006-01-17 Ben Elliston <bje@au.ibm.com>
12103 * recog.c: Separate some functions with whitespace.
12105 2006-01-16 Richard Henderson <rth@redhat.com>
12107 Merge from gomp branch:
12108 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12109 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12110 and rename from struct inline_data. Rename callee* to dst*;
12111 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12112 transform_new_cfg, transform_return_to_modify, and
12113 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12115 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12116 (copy_decl_for_dup): Remove.
12117 * tree-inline.c (struct inline_data): Move to header.
12118 (insert_decl_map): Export.
12119 (remap_decl): Update for member name changes. Use copy_decl hook.
12120 Allow for replacement to be a non-decl. Remove dead code.
12121 (remap_type_1): Check for existing mapping.
12122 (remap_type): Export.
12123 (remap_decls): Update for member name changes.
12124 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12125 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12126 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12127 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12128 (tree_function_versioning, build_duplicate_type): Likewise.
12129 (copy_body_r): Likewise. Export.
12130 (copy_decl_for_dup): Split into ...
12131 (copy_decl_for_dup_finish, copy_decl_to_var,
12132 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12133 (replace_ref_tree, inlining_p): Remove.
12135 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12137 * ifcvt.c (if_convert): Make it static.
12138 * rtl.h: Remove the prototype for if_convert.
12140 * local-alloc.c (local_alloc): Make it static.
12141 * rtl.h: Remove the prototype for local_alloc.
12143 * loop.c (loop_optimize): Make it static.
12144 * cfgloop.h: Remove the prototype for loop_optimize.
12147 2006-01-16 DJ Delorie <dj@redhat.com>
12149 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12152 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12154 * pa.md: Disparage copies between general and floating-point registers
12155 in 32-bit move patterns.
12157 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12160 * Makefile.in (check-%): Depend on site.exp instead of
12161 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12164 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12166 * global.c (global_alloc): Make it static.
12167 * rtl.h: Remove the prototype for global_alloc.
12169 2006-01-16 Richard Guenther <rguenther@suse.de>
12171 * tree-ssa-alias.c (struct used_part): Add write_only field.
12172 (get_or_create_used_part_for): Initialize it to true.
12173 (create_overlap_variables_for): Don't create structure variables
12174 for structures that only are written to.
12175 (find_used_portions): Handle MODIFY_EXPR to track whether a
12176 structure is only written to.
12178 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12180 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12182 * basic-block.h: Remove the prototype for
12183 partition_hot_cold_basic_blocks.
12185 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12187 * cppspec.c (lang_specific_spec_functions): Remove.
12188 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12189 * gcc.h (lang_specific_spec_functions): Remove.
12190 * gccspec.c (lang_specific_spec_functions): Remove.
12192 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12194 * combine.c (record_value_for_reg): Invalidate registers
12196 (record_dead_and_set_regs_1): Likewise, by passing them to
12197 record_value_for_reg.
12198 (record_dead_and_set_regs): Invalidate stores made by a
12199 call. We do not combine across a call, but we still
12200 relied on equivalences.
12202 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12204 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12205 vrp_int_const_binop returning non-constant nodes.
12207 2006-01-16 Paul Brook <paul@codesourcery.com>
12209 * config/m68k/m68k.c (output_move_const_into_data_reg):
12210 Output correct mnemonic for mvz and mvs.
12212 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12214 * rtl-factoring.c: Add sequence abstraction algorithm.
12215 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12216 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12218 (block_has_preserve_label): New function.
12219 * common.opt: Register new pass.
12220 * Makefile.in: Ditto.
12222 * timevar.def: Ditto.
12223 * tree-pass.h: Ditto.
12224 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12225 * rtl.h (make_jump_insn_raw): Add forward decl.
12226 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12228 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12229 Roger Sayle <roger@eyesopen.com>
12231 * fold-const.c (fold_minmax): New static function.
12232 (fold_binary) <MIN_EXPR>: Call it.
12233 <MAX_EXPR>: Likewise.
12234 * stor-layout.c (place_field): Use DECL_SIZE consistently
12235 in the computation of the new record size.
12237 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12239 * cse.c (cse_condition_code_reg): Make it static.
12240 * rtl.h: Remove the prototype for cse_condition_code_reg.
12242 * combine.c (combine_instructions): Make it static.
12243 * rtl.h: Remove the prototype for combine_instructions.
12245 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12248 * tree.c (get_file_function_name_long): Concatenate the first global
12249 object name with a string derived from the input filename of the object
12252 2006-01-16 Ben Elliston <bje@au.ibm.com>
12254 * config/i386/winnt-stubs.c: Update FSF address.
12255 * config/xtensa/ieee754-df.S: Ditto.
12256 * config/xtensa/ieee754-sf.S: Ditto.
12258 2006-01-14 Ian Lance Taylor <ian@airs.com>
12260 * ifcvt.c (noce_init_if_info): New static function, broken out of
12261 noce_process_if_block.
12262 (noce_process_if_block): Call noce_init_if_info.
12263 (check_cond_move_block): New static function.
12264 (cond_move_process_if_block): New static function.
12265 (process_if_block): Call cond_move_process_if_block.
12267 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12269 * cselib.c (hash_table): Rename to cselib_hash_table.
12270 (cselib_clear_table, discard_useless_values,
12271 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12272 cselib_init, cselib_finish): Adjust uses of hash_table.
12274 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12276 PR tree-optimization/25485
12277 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12278 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12279 is known to be false and true, respectively.
12281 2006-01-14 Richard Guenther <rguenther@suse.de>
12283 PR tree-optimization/22548
12284 PR tree-optimization/22555
12285 PR tree-optimization/22501
12286 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12287 * params.def (salias-max-array-elements): New parameter.
12288 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12289 * doc/invoke.texi (salias-max-array-elements): Document.
12290 * tree-flow-inline.h (var_can_have_subvars): We also handle
12292 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12294 * tree-ssa-structalias.c (params.h): Include.
12295 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12296 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12297 (get_constraint_for): For ADDR_EXPR operating on something
12298 containing an ARRAY_REF, add all subvars to the solution.
12299 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12300 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12301 for creating MUST_DEFs.
12302 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12304 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12306 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12308 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12309 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12310 number_of_iterations_le): New functions.
12311 (number_of_iterations_special): Removed.
12312 (number_of_iterations_exit): Do not use number_of_iterations_special.
12313 * tree.c (unsigned_type_for): Always return integer type.
12315 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12316 Richard Guenther <rguenther@suse.de>
12318 PR rtl-optimization/24257
12319 * gcse.c (find_moveable_store): Only consider a store movable
12320 when the SET_SRC of the insn can be assigned to a register.
12322 2006-01-14 Ian Lance Taylor <ian@airs.com>
12324 * tree.c (tree_not_class_check_failed): New function.
12325 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12326 (tree_not_class_check_failed): Declare.
12328 2006-01-13 Ian Lance Taylor <ian@airs.com>
12330 * reload1.c (do_output_reload): Add assertion rejecting a
12333 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12335 * combine.c (struct reg_stat): Add new fields truncation_label and
12337 (record_value_for_reg): Reset truncated_to_mode.
12338 (record_truncated_value): New function.
12339 (check_promoted_subreg): Call it. Rename to check_conversions.
12340 (combine_instructions): Rename check_promoted_subreg to
12342 (reg_truncated_to_mode): New function.
12343 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12344 (gen_lowpart_or_truncate): New function.
12345 (force_to_mode): Use it instead of gen_lowpart.
12347 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12349 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12350 VAR is a tag, not its type tag.
12352 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12354 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12355 alternatives to match style of other entries.
12356 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12358 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12360 PR tree-optimization/25771
12361 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12364 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12367 * tree-inline.c (declare_return_variable): If the return variable
12368 was marked as a non gimple complex, set the return slot variable
12369 to be a non gimple comple variable.
12371 2006-01-13 Richard Guenther <rguenther@suse.de>
12373 * builtins.c (expand_builtin_sincos): New function.
12374 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12376 (expand_builtin): Expand sincos using expand_builtin_sincos.
12378 2006-01-12 DJ Delorie <dj@redhat.com>
12380 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12381 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12382 so that constant shifts can be split.
12383 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12384 (m32c_valid_pointer_mode): Make static.
12385 (shift_gen_func_for): New.
12386 (m32c_prepare_shift): Use it. Split large const shifts into
12388 * config/m32c/predicates.md (shiftcount_operand): Allow more
12390 (longshiftcount_operand): New.
12391 * doc/md.texi (Machine Constraints): Document In6.
12393 2006-01-13 Ben Elliston <bje@au.ibm.com>
12395 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12396 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12399 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12401 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12402 to try to avoid clobbering pieces of structures when we know
12403 something about the whole structure.
12404 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12406 2006-01-13 Ben Elliston <bje@au.ibm.com>
12408 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12409 return in memory, as this is no limitation is no longer present.
12411 2006-01-12 DJ Delorie <dj@redhat.com>
12413 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12414 mova with fb, and for fb+0 -> An.
12416 * config/m32c/mov.md (peephole2): Fix enabling logic.
12418 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12419 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12420 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12421 FINI_ARRAY_SECTION_ASM_OP): Define.
12423 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12425 (m32c_legitimize_reload_address): New logic to reload FB to An.
12426 (m32c_output_reg_push): Add newline.
12427 (m32c_output_reg_pop): Likewise.
12429 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12431 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12433 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12435 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12437 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12439 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12442 2006-01-11 Ben Elliston <bje@au.ibm.com>
12444 * rtlanal.c (find_reg_note): Assert insn is not null.
12446 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12448 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12451 2006-01-11 Jeff Law <law@redhat.com>
12453 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12455 (mark_threaded_blocks, register_jump_thread): New functions.
12456 (thread_through_all_blocks): Remove unwanted argument. No
12457 longer rely on e->aux to communicate thread target info.
12458 Call mark_threaded_blocks. Release the threaded_blocks
12459 bitmap and threaded_edges vector when complete.
12460 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12461 (threaded_blocks): Remove.
12462 (tree_ssa_dominator_optimize): Remove initialization and
12463 finalization of threaded_blocks. Simplify call to
12464 thread_through_all_blocks.
12465 (thread_across_edge): Call register_jump_thread rather than
12466 storing thread information into e->aux.
12467 (free_all_edge_infos): Simplify now that e->aux is no longer
12468 used to communicate with thread_through_all_blocks.
12469 * tree-flow.h (thread_through_all_blocks): Update prototype.
12470 (register_jump_thread): Prototype.
12472 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12474 * df-core.c (df_compact_blocks, df_bb_replace): Use
12475 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12477 2006-01-11 Richard Guenther <rguenther@suse.de>
12479 PR tree-optimization/25734
12480 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12481 stop propagation after successful propagation to the LHS.
12483 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12485 * basic-block.h (control_flow_graph): Change the type of
12486 x_basic_block_info to VEC(basic_block,gc) *.
12487 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12489 (SET_BASIC_BLOCK): New.
12490 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12491 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12492 * cfgbuild.c (find_basic_blocks): Likewise.
12493 * cfglayout.c (fixup_reorder_chain): Likewise.
12494 * cfgrtl.c (create_basic_block_structure,
12495 rtl_create_basic_block): Likewise.
12496 * ifcvt.c (find_if_case_1): Likewise.
12497 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12500 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12502 * Makefile.in: Removed rotted odf.c entry.
12504 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12507 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12508 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12509 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12510 output pattern modifier, not %e.
12511 * config/cris/cris.c (cris_op_str): Update comment about pattern
12513 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12514 before falling through into...
12515 <case 'E'>: Redefined from old 'e' case.
12517 2006-01-11 Jan Hubicka <jh@suse.cz>
12520 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12522 2006-01-11 Jan Hubicka <jh@suse.cz>
12524 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12525 * i386.c (x86_decompose_lea): Kill.
12526 (ix86_rtx_costs): Kill.
12528 2006-01-11 Jan Hubicka <jh@suse.cz>
12530 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12531 * cgraph.h (cgraph_node): Add inline_decl.
12532 (cgraph_insert_node_to_hashtable): Declare.
12533 (save_inline_function_body): Declare.
12534 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12536 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12537 (cgraph_function_versioning): Update call of tree_function_versioning.
12538 (save_inline_function_body): New function.
12539 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12540 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12541 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12542 (cgraph_default_inline_p): Likewise.
12543 (cgraph_decide_inlining_incrementally): Likewise.
12544 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12545 (copy_bb): Kill saving; do updating of clones.
12546 (copy_cfg_body): Kill saving.
12547 (initialize_inlined-parameters): Likewise.
12548 (expand_call_inline): Likewise.
12550 (tree_function_versioning): New parameter "update_clones".
12551 (inlining_p): Kill saving.
12552 * tree-inline.h (tree_function_versioning): Update prototype.
12553 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12556 2006-01-11 Ian Lance Taylor <ian@airs.com>
12558 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12559 Allow undoing set of machine mode.
12560 (do_SUBST): Use enums instead of is_int.
12561 (do_SUBST_MODE): New function.
12562 (SUBST_MODE): New macro.
12563 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12564 reg and trying to replace reg_regno_rtx with a new register.
12565 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12566 (simplify_set): Use SUBST_MODE.
12567 (distribute_notes): Remove code that tried to update reg notes
12568 for regno_reg_rtx changes.
12570 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12572 PR tree-optimization/23109
12573 PR tree-optimization/23948
12574 PR tree-optimization/24123
12576 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12577 * tree-cfg.c (single_noncomplex_succ): New.
12578 * tree-flow.h (single_noncomplex_succ): Declare it.
12579 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12580 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12581 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12582 insert_bb, register_division_in, insert_reciprocals,
12583 replace_reciprocal, free_bb): New.
12584 (execute_cse_reciprocals_1): Rewritten.
12585 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12586 Do not commit any edge insertion. Always compute dominators and
12587 create the allocation pool.
12588 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12589 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12590 * targhooks.c (default_min_divistions_for_recip_mul): New.
12591 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12592 * passes.c (init_optimization_passes): Run recip after tree loop
12594 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12596 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12597 Kenneth Zadeck <zadeck@naturalbridge.com>
12599 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12600 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12601 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12602 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12603 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12604 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12605 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12606 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12607 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12608 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12609 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12610 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12611 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12612 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12613 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12614 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12615 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12616 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12617 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12618 DF_SCAN_POST_ALLOC): New macros.
12619 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12620 df_free_bb_function, df_local_compute_function, df_init_function,
12621 df_dataflow_function, df_confluence_function_0,
12622 df_confluence_function_n, df_transfer_function,
12623 df_finalizer_function, df_free_function, df_dump_problem_function,
12624 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12625 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12626 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12627 df_urec_bb_info, ) New types.
12628 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12630 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12631 df_analyze_simple_change_some_blocks,
12632 df_analyze_simple_change_one_block, df_compact_blocks,
12633 df_bb_replace, df_bb_regno_last_use_find,
12634 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12635 df_insn_regno_def_p, df_find_def, df_find_use,
12636 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12637 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12638 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12639 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12640 debug_df_chain, df_get_dependent_problem, df_chain_create,
12641 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12642 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12643 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12644 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12645 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12646 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12647 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12648 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12649 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12650 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12651 df_reorganize_refs, df_set_state, df_hard_reg_init,
12652 df_read_modify_subreg_p) New public functions.
12653 * df-core.c: The core dataflow solver and glue routines for rtl
12655 (df_init, df_add_problem, df_set_blocks, df_finish,
12656 df_hybrid_search_forward, df_hybrid_search_backward,
12657 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12658 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12659 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12660 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12661 df_reg_defined, df_find_use, df_reg_used, df_dump,
12662 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12663 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12664 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12665 debug_df_useno, reset_df_after_reload): New functions.
12666 * df-scan.c: The scanning fuctions, once in df.c, completely
12667 rewritten so that they now fully model the functionality of
12668 register usage at the backend.
12669 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12670 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12671 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12672 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12673 df_get_artificial_defs, df_get_artificial_uses,
12674 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12675 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12676 df_refs_delete, df_reorganize_refs, df_set_state,
12677 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12678 df_def_record_1, df_defs_record, df_uses_record,
12679 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12680 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12681 df_record_exit_block_uses, df_hard_reg_init): New functions.
12683 * df-problems.c: Seven concrete dataflow problems that use the
12684 scanning in df-scan.c and are solved by the engine in df-core.c.
12685 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12686 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12687 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12688 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12689 df_ru_free_bb_info, df_ru_alloc,
12690 df_ru_bb_local_compute_process_def,
12691 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12692 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12693 df_ru_transfer_function, df_ru_free, df_ru_dump,
12694 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12695 df_rd_free_bb_info, df_rd_alloc,
12696 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12697 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12698 df_rd_transfer_function, df_rd_free, df_rd_dump,
12699 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12700 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12701 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12702 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12703 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12704 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12705 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12706 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12707 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12708 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12709 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12710 df_urec_mark_reg_use_for_earlyclobber,
12711 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12712 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12713 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12714 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12715 df_chain_create_bb_process_use, df_chain_create_bb,
12716 df_chain_finalize, df_chain_free, df_chains_dump,
12717 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12718 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12719 df_reg_lifetime): New functions.
12720 * df.c: Deleted file.
12721 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12722 consistent with new df api.
12723 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12724 rest_of_handle_sms): Ditto.
12725 * web.c (unionfind_union, union_defs, entry_register, web_main):
12727 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12728 invariant_expr_equal_p, find_defs, check_dependencies,
12729 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12730 free_inv_motion_data, move_loop_invariants): Ditto.
12731 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12732 Update dependencies.
12733 (odf.c): Added defective entry that was deleted later in day.
12734 * sched-deps.c (sched_analyze_1): Ditto.
12736 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12738 * tree-ssa-operands.c (get_expr_operands): Record addressable
12739 variables directly. Do not call add_stmt_operands for CONST_DECLs
12741 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12742 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12744 2006-01-11 Ben Elliston <bje@au.ibm.com>
12746 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12747 function returns true in the positive case.
12749 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12752 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12753 for SI, DI, SF and DF modes. Add alternatives to copy between
12754 general and floating point registers to the 32-bit patterns.
12755 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12756 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12757 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12758 generating 64-bit code.
12759 * config/pa/pa.c (output_move_double): Handle copies between general
12760 and floating registers.
12762 2006-01-10 Stuart Hastings <stuart@apple.com>
12764 * config/i386/i386.md (set_got): Update.
12765 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12766 (builtin_setjmp_receiver): Mach-O support.
12767 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12768 (GOT_SYMBOL_NAME): Define.
12769 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12770 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12771 * config/i386/i386.c (override_options): Revise for Darwin.
12772 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12773 support. (darwin_x86_file_end): New. (output_set_got): Add label
12774 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12775 * config/i386/i386-protos.h (output_set_got): Likewise.
12776 * config/darwin.c (machopic_legitimize_pic_address): Update
12779 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12781 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12782 when MODE isn't BLKmode.
12784 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12786 PR rtl-optimization/25367
12787 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12789 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12792 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12793 for a negative bound.
12795 2006-01-10 Richard Guenther <rguenther@suse.de>
12797 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12798 Never override with anything constraint.
12800 2006-01-10 Jan Beulich <jbeulich@novell.com>
12802 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12803 256 bits when optimize_size.
12805 2006-01-10 Jan Beulich <jbeulich@novell.com>
12807 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12809 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12810 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12813 2006-01-10 Ben Elliston <bje@au.ibm.com>
12815 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12817 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12818 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12819 (USE_FP_FOR_ARG): Reject decimal float modes.
12820 (function_arg_advance): Likewise.
12821 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12822 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12823 point types in AltiVec vectors.
12824 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12825 (rs6000_libcall_value): Likewise.
12827 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12829 * config/xtensa/ieee754-df.S: New file.
12830 * config/xtensa/ieee754-sf.S: New file.
12831 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12832 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12833 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12835 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12837 * config/sh/predicates.md (binary_float_operator,
12838 binary_logical_operator, commutative_float_operator,
12839 equality_comparison_operator, greater_comparison_operator,
12840 less_comparison_operator, logical_operator,
12841 noncommutative_float_operator, shift_operator,
12842 symbol_ref_operand, unary_float_operator): Remove redundant
12845 2006-01-09 Jeff Law <law@redhat.com>
12847 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12848 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12849 now unused arguments. Callers updated.
12850 (eliminate_redundant_computations): Remove now unused arguments,
12852 (local_fold): Remove, no longer used.
12853 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12855 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12856 (simplify_cond): New function.
12857 (forward_propagate_into_cond): Call simplify_cond.
12859 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12861 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12862 (*vec_extractv2di_1_sse): New.
12864 2006-01-09 Ben Elliston <bje@au.ibm.com>
12866 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12868 2006-01-08 Richard Guenther <rguenther@suse.de>
12870 * tree-ssa-structalias.c (get_constraint_for): Remove
12871 anyoffset argument.
12872 (get_constraint_for_component_ref): Likewise.
12873 (do_deref): Likewise.
12874 (get_constraint_for): Likewise.
12875 (do_structure_copy): Likewise.
12876 (handle_ptr_arith): Likewise.
12877 (find_func_aliases): Likewise. Remove unused need_anyoffset
12880 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12881 Kaz Kojima <kkojima@gcc.gnu.org>
12883 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12884 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12885 (EXTRA_CONSTRAINT_C16): Remove.
12886 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12887 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12888 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12889 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12890 constants of SHmedia. Handle nested constant expressions of
12892 (andcosts): Fix the costs for SHmedia constants.
12893 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12894 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12895 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12896 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12897 (movv4hi_i, movv2si_i): Likewise.
12898 (movsi_const): Adjust the second operand of ior so to match with
12899 the Csu constraint.
12900 (movdi_const, movdi_const_32bit): Likewise.
12901 (movdi_const_16bit+1): Don't sign-extend LOW.
12902 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12904 (*double_shori): Fix the split condition. Use GEN_INT instead
12905 of get_int_mode calls. Mask lower 16-bit of the argument of
12907 (sym2GOTPLT): Remove.
12908 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12910 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12911 instead of EXTRA_CONSTRAINT_C16.
12913 2006-01-07 Ian Lance Taylor <ian@airs.com>
12914 David Edelsohn <edelsohn@gnu.org>
12916 PR rtl-optimization/25662
12917 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12918 for constant operands instead of simplify_gen_binary.
12919 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12920 after trying simplify_binary_operation
12922 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12924 * tree.c (iterative_hash_expr): Hash decls based on UID.
12926 2006-01-06 Eric Christopher <echristo@apple.com>
12928 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12929 (TARGET_UNWIND_EMIT): Fix spelling.
12930 * target.h (gcc_target): Add except_table_label.
12931 * except.c (output_function_exception_table): Use.
12932 * varasm.c (default_emit_except_table_label): New.
12933 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12935 (asm_out): Add here.
12936 * output.h (default_emit_except_table_label): Prototype.
12937 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12938 * config/darwin.c (darwin_emit_except_table_label): Define.
12939 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12941 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12943 PR tree-optimization/18527
12944 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12945 number_of_iterations_special, number_of_iterations_exit):
12946 Move base and step of an iv to a single structure. Add
12947 no_overflow flag, and use it in # of iterations analysis.
12948 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12949 folded_casts argument.
12950 (simple_iv): Pass base and step in a structure. Set no_overflow
12952 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12953 Evaluate expensiveness of computing # of iterations instead of
12954 the final expression.
12955 * tree-scalar-evolution.h (affine_iv): New structure.
12956 (simple_iv): Declaration changed.
12957 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12958 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12959 find_givs_in_stmt): Changed due to simple_iv change.
12961 2006-01-06 Jeff Law <law@redhat.com>
12964 * tree-cfg.c (bsi_replace): Rename final argument from
12965 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12966 change (stmt -> orig_stmt).
12967 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12968 (bsi_remove): Add new argument. Remove EH information
12970 (verify_eh_throw_table_statements): New function.
12971 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12973 * tree-optimize.c (execute_free_cfg_annotations): Verify
12974 the EH throw statement table after removing annotations.
12975 * except.h (verify_eh_throw_table_statements): Prototype.
12976 * tree-flow.h (bsi_remove): Update prototype.
12977 * tree-vrp.c (remove_range_assertions): Add new argument to
12979 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12980 * tree-complex.c (expand_complex_div_wide): Likewise.
12981 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12982 * tree-tailcall.c (eliminate_tailcall): Likewise.
12983 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12984 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12985 * tree-nrv.c (tree_nrv): Likewise.
12986 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12987 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12988 (combine_blocks): Likewise.
12989 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12990 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12991 (cleanup_control_flow): Likewise.
12992 (remove_forwarder_block): Likewise.
12993 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12994 * tree-sra.c (sra_replace): Likewise.
12995 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12996 (forward_propagate_single_use_vars): Likewise.
12997 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12998 * tree-inline.c (expand_call_inline): Likewise.
12999 * tree-vect-transform.c (vect_transform_loop): Likewise.
13000 * tree-outof-ssa.c (rewrite_trees): Likewise.
13001 * tree-cfg.c (make_goto_expr_edges): Likewise.
13002 (cleanup_dead_labels): Likewise.
13003 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13004 (bsi_move_before, bsi_move_after): Likewise.
13005 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13006 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13008 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13011 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13013 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13014 on non gimple variables. Also add checks at the top for decls and
13016 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13018 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13019 and IMAGPART_EXPR for creating MUST_DEFs.
13020 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13021 and NAME_MEMORY_TAG separately from the DECLs.
13023 2006-01-06 Richard Guenther <rguenther@suse.de>
13025 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13026 annotation, if necessary.
13027 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13028 redundant calls to update_stmt.
13029 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13032 2006-01-05 Richard Henderson <rth@redhat.com>
13034 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13036 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13038 * c-typeck.c: Update copyright date.
13040 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13042 * c-typeck.c (build_c_cast): Always warn when casting
13043 from a pointer to an integer of different size, even if
13044 the node was constant.
13046 2006-01-05 Richard Guenther <rguenther@suse.de>
13048 PR tree-optimization/22555
13049 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13050 if one structure field is an array.
13051 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13052 operands even if we found a subvar, but ignore VOPs in this
13054 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13056 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13058 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13060 PR middle-end/24998
13061 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13063 2006-01-05 Richard Guenther <rguenther@suse.de>
13064 Diego Novillo <dnovillo@redhat.com>
13066 * tree-pass.h (TODO_remove_unused_locals): Define.
13067 * gimple-low.c (expand_var_p, remove_useless_vars,
13068 pass_remove_useless_vars): Remove. Update all users.
13069 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13070 (remove_unused_locals): New function.
13071 * tree-flow.h (remove_unused_locals): Declare.
13072 * passes.c (execute_todo): Call remove_unused_locals if
13073 TODO_remove_unused_locals is set.
13074 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13075 * tree-ssa-dce.c (pass_dce): Likewise.
13076 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13078 2006-01-05 Richard Guenther <rguenther@suse.de>
13080 * tree-flow.h (struct fieldoff): Decompose field to
13081 type, size and decl.
13082 * tree-ssa-alias.c (create_sft): Take type as parameter.
13083 (create_overlap_variables_for): Store type, size and decl
13084 in the fieldoff structure.
13085 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13086 of struct fieldoff.
13087 (push_fields_onto_fieldstack): Likewise.
13088 (create_variable_info_for): Likewise. Use offset for the
13089 SFT name if the decl is not available.
13091 2006-01-04 Paul Brook <paul@codesourcery.com>
13093 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13095 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13097 * lambda-code.c (can_put_in_inner_loop): Relax
13099 (can_put_after_inner_loop): New function.
13100 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13101 (perfect_nestify): Change to make copies and modify uses.
13103 2006-01-04 Richard Henderson <rth@redhat.com>
13105 Merge from gomp branch:
13106 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13107 via integer constant.
13108 (pragma_lex): Remove.
13109 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13110 rather than parsing it.
13111 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13112 handle_pragma_extern_prefix): Add %< %> quotes.
13113 (registered_pragmas): New.
13114 (c_register_pragma_1): New.
13115 (c_register_pragma): Use it.
13116 (c_register_pragma_with_expansion): Likewise.
13117 (c_invoke_pragma_handler): New.
13118 (init_pragma): Use cpp_register_deferred_pragma directly for
13120 * c-pragma.h (enum pragma_kind): New.
13121 (pragma_handler): New.
13122 (c_invoke_pragma_handler): Declare.
13123 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13125 * c-common.h (c_common_pch_pragma): Update decl.
13126 * Makefile.in (c-parser.o): Update dependencies.
13127 (GTFILES): Add c-pragma.h.
13128 * c-parser.c (struct c_token): Add pragma_kind.
13129 (struct c_parser): Add in_pragma.
13130 (c_lex_one_token): Always initialize keyword and pragma_kind.
13131 Extract data for CPP_PRAGMA.
13132 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13133 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13134 Don't allow CPP_PRAGMA_EOL if in_pragma.
13135 (c_parser_consume_pragma): New.
13136 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13137 (c_parser_skip_to_end_of_parameter): Likewise.
13138 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13139 (c_parser_skip_to_pragma_eol): New.
13140 (c_parser_external_declaration): Handle CPP_PRAGMA.
13141 (c_parser_compound_statement_nostart): Likewise.
13142 (c_parser_statement_after_labels): Likewise.
13143 (c_parser_pragma): New.
13144 (pragma_lex): Likewise.
13145 (c_parser_pragma_pch_preprocess): New.
13146 (c_parser_new): Merge into ...
13147 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13149 2006-01-04 Jeff Law <law@redhat.com>
13152 * tree-cfg.c (bsi_replace): Remove the original statement
13153 from the EH throw statement table.
13155 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13157 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13158 make the prototype extern "C" and add throw ().
13161 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13162 and pos non-negative and pos + len <= 32.
13163 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13164 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13165 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13168 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13169 as well as sizes not multiple of component size.
13172 * function.c (instantiate_expr): New function.
13173 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13174 walk its DECL_VALUE_EXPR with instantiate_expr.
13176 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13177 DW_OP_deref{,_size} if address isn't going to be added.
13179 2006-01-04 Ben Elliston <bje@au.ibm.com>
13181 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13182 * config/fp-bit.c: Likewise.
13184 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13186 * dominance.c: Add comment about why we use DFS numbering
13189 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13190 Richard Henderson <rth@redhat.com>
13192 Merge from gomp-branch:
13193 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13194 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13196 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13198 PR rtl-optimization/25578
13199 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13200 pass a parameter to simplify_shift_const if changing ASHIFTRT
13203 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13205 * builtins.c (get_builtin_sync_mem): New function.
13206 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13207 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13208 Call get_builtin_sync_mem to generate mem rtx.
13210 2006-01-03 Richard Guenther <rguenther@suse.de>
13213 * stmt.c (add_case_node): Make sure to clear overflow flags
13216 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13218 Merge from gomp-branch.
13219 * config/sparc/sync.md: New file.
13220 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13221 UNSPECV_LDSTUB): New constants.
13222 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13223 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13224 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13227 2006-01-03 Roger Sayle <roger@eyesopen.com>
13229 * combine.c (reg_subword_p): New predicate to test whether the
13230 destination of a set refers to a subword/piece of a register.
13231 (try_combine): Generalize the code to merge the setting of a
13232 pseudo to a constant followed by a set of a subword of that
13233 register to a constant.
13235 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13237 * basic-block.h (control_flow_graph): Change the type of
13238 x_label_to_block_map to VEC(basic_block,gc) *.
13239 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13240 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13242 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13243 VEC(basic_block,heap) *.
13244 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13245 ssa_prop_fini): Adjust the uses of cfg_blocks.
13247 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13249 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13251 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13252 hashing trees instead of a pointer hash.
13253 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13254 compare for MEM_EXPR.
13256 PR rtl-optimization/25130
13257 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13258 when comparing MEMs for GCSE
13260 2006-01-03 Ben Elliston <bje@au.ibm.com>
13262 * targhooks.h (default_decimal_float_supported_p): Declare.
13263 * targhooks.c (default_decimal_float_supported_p): Define.
13264 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13265 `default_decimal_float_supported_p'.
13266 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13268 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13270 * combine.c (apply_distributive_law <SUBREG>): Check
13271 TRULY_NOOP_TRUNCATION.
13273 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13275 * dwarf2out.c (have_switched_text_section): Delete.
13276 (have_multiple_function_sections): New.
13277 (have_location_lists): Make 'bool'.
13278 (add_AT_loc_list): Use 'true' not '1'.
13279 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13280 (output_loc_list): Use have_multiple_function_sections.
13281 (output_ranges): Likewise.
13282 (dwarf2out_begin_function): Set have_multiple_function_sections if
13284 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13285 Check function_section rather than DECL_SECTION_NAME.
13286 (dwarf2out_finish): Use have_multiple_function_sections.
13287 Don't clear have_location_lists.
13289 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13290 Jan Hubicka <jh@suse.cz>
13292 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13293 case of conditional jump jumping to the next instruction.
13294 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13295 cases of conditional jump jumping to the next instruction.
13297 2006-01-02 Jan Hubicka <jh@suse.cz>
13299 * i386.c (*_cost): Add COSTS_N_INSNS.
13300 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13302 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13305 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13307 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13309 * config/arm/arm.c (all_fpus): Fix comment typo.
13310 * config/darwin.c: Likewise.
13311 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13312 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13313 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13315 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13317 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13318 (rs6000_split_compare_and_swapqhi): New.
13319 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13320 (sync_compare_and_swapqhi_internal): New.
13321 * config/rs6000/rs6000-protos.h: Declare.