1 2006-07-18 Roger Sayle <roger@eyesopen.com>
4 * expmed.c (expand_shift): Additionally check that the shift_cost
5 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6 before implementing a LSHIFT_EXPR as a sequence of additions.
7 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8 middle-end that DImode shifts need to be synthesized by expand.
10 2006-07-18 Diego Novillo <dnovillo@redhat.com>
13 * tree-ssa-operands.c (access_can_touch_variable): Update
15 Return true if ALIAS is .GLOBAL_VAR.
17 2006-07-18 David Daney <ddaney@avtrex.com>
19 * gcc.c (display_help): Fix typo in help text.
21 2006-07-18 Olivier Hainque <hainque@adacore.com>
23 * tree.h (categorize_ctor_elements): Adjust prototype and add
24 descriptive comment, both in accordance with the interface change
26 * varasm.c (constructor_static_from_elts_p): New function.
27 Whether a constructor node is a valid static constant initializer
28 if all its elements are.
29 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
30 * output.h: Declare it.
31 * expr.c (categorize_ctor_elements_1): Return whether the constructor
32 is a valid constant initializer instead of computing the number of
33 non-constant elements. Use constructor_static_from_elts_p for this
34 purpose. Replace the head comment with an indication that this is a
35 helper for categorize_ctor_elements.
36 (categorize_ctor_elements): Same interface change as for the _1
37 helper. Former head comment from this helper moved here, adjusted to
38 account for the interface changes.
39 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
40 (all_zeros_p): Likewise.
41 * gimplify.c (gimplify_init_constructor): Decide whether we can make
42 static versions of the constructor from the categorize_ctor_elements
43 return value instead of the formerly computed number of non-constant
46 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
48 * configure: Regenerate.
49 * Makefile.in (build_libsubdir): New configure substitution
50 (build_libobjdir): New variable.
51 (BUILD_LIBIBERTY): Use it.
53 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
56 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
58 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
61 * c-common.c (handle_weakref_attribute): Ignore attribute in
62 the same conditions the alias attribute is ignored.
64 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
66 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
67 (dbxout_begin_prologue): Increment scope_labelno.
69 2006-07-17 Richard Henderson <rth@redhat.com>
72 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
75 2006-07-17 Roger Sayle <roger@eyesopen.com>
76 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
78 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
79 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
80 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
81 functions such as sbrk, write, etc.. Add function prototypes.
82 Convert function declarations from K&R to ISO C. Cast pointers
83 to "long" and "unsigned long" instead of "int" and "unsigned int".
84 Convert tokens following #endif into comments.
86 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
88 * invoke.texi: Remove mention of f77; Reformat table for
89 inline parameter options correctly; mention that -malign-double
90 is default on x86-64 targets.
92 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
94 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
95 (convert_affine_scev, chrec_convert_aggressive): Use
96 avoid_arithmetics_in_type_p. Do not check for the subtypes
99 2006-07-17 Richard Sandiford <richard@codesourcery.com>
102 * optabs.c (expand_doubleword_shift): Wrap the call to
103 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
105 2006-07-17 Richard Sandiford <richard@codesourcery.com>
108 * optabs.c (expand_binop): Pass next_methods rather than methods
109 to expand_doubleword_shift.
111 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
114 * tree.h (dump_addr): Declare.
115 * print-tree.c (dump_addr): New function.
116 (print_node_brief, print_node): Use it.
117 * print-rtl.c (print_rtx): Likewise.
118 * common.opt (-fdump-noaddr): New option.
119 * doc/invoke.texi (-fdump-noaddr): Document.
120 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
121 (ve_info_hash): Likewise.
123 2006-07-13 Andrew Haley <aph@redhat.com>
125 PR tree-optimization/19505
126 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
127 edge leaving this block, make sure that the destination of this
128 block has only one predecessor.
130 2006-07-17 Richard Guenther <rguenther@suse.de>
132 PR tree-optimization/28238
133 * tree-inline.c (copy_bb): Check if we produced valid
134 gimple copying and substituting a stmt. If not, gimplify
137 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
139 * optabs.c (maybe_encapsulate_block): New function extracted from...
140 (emit_libcall_block): ...here. Invoke it on the block of insns to
141 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
142 (emit_no_conflict_block): Likewise.
144 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
146 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
148 2006-07-15 Roger Sayle <roger@eyesopen.com>
150 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
151 a new NOP_EXPR case of the switch statement.
153 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
156 * stor-layout.c (place_field): Take the bit field with
157 an excessive size into account in the ms-bitfiled case.
160 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
161 the previous bit field.
163 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
166 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
168 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
170 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
171 signal frames correctly even when the signal was installed with
174 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
176 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
177 (dbxout_function_end): Use local label LFBB. Remove hook
179 (dbxout_source_line): Use local label LFBB.
180 (dbxout_block): Likewise.
181 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
182 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
183 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
186 2006-07-13 Janis Johnson <janis187@us.ibm.com>
188 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
190 2006-07-13 Jan Hubicka <jh@suse.cz>
192 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
194 * output.h (align_variable): Declare.
195 * varasm.c (align_variable): Export.
196 * value-prof.c (tree_value_profile_transformations): Recompute iterator
197 when basic block changed.
199 2006-07-13 Nick Clifton <nickc@redhat.com>
201 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
202 walking the LOG_LINKS chain.
204 2006-07-12 Geoffrey Keating <geoffk@apple.com>
206 * doc/invoke.texi (C++ Dialect Options): Explain difference
207 between -fvisibility-inlines-hidden and setting hidden
208 visibility explicitly.
210 2006-07-12 Eric Christopher <echristo@apple.com>
212 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
213 (stmp-lipo): Depend on libgcc.a.
215 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
217 * tree.c: Fix a comment typo.
219 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
221 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
223 (umulhisi3_r): Likewise.
225 2006-07-12 Paolo Carlini <pcarlini@suse.de>
228 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
229 x < 19, vs wchar_t support.
231 2006-07-12 Nick Clifton <nickc@redhat.com>
233 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
236 2006-07-12 Mike Stump <mrs@apple.com>
238 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
240 2006-07-10 Eric Christopher <echristo@apple.com>
242 * config/t-slibgcc-darwin: Rewrite.
244 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
247 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
250 2006-07-08 Matthias Klose <doko@debian.org>
252 * doc/sourcebuild.texi: Fix typo.
254 2006-07-07 Mike Stump <mrs@apple.com>
256 * toplev.c (process_options): Don't give -ffunction-sections may
257 affect debugging warning for Mach-O.
259 2006-07-07 James E Wilson <wilson@specifix.com>
261 * config/mips/mips.md (cpu): Add sb1a.
262 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
263 addition to sb1. Adjust comments to clarify SB-1A differences from
265 (ir_sb1a_load): New. Modify bypasses to use it.
266 (ir_sb1a_simple_alu): Likewise.
267 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
268 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
269 (mips_issue_rate): Add PROCESSOR_SB1A.
270 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
271 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
272 (TARGET_SB1): Add PROCESSOR_SB1A check.
273 (TUNE_SB1): Likewise.
275 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
276 * config/mips/mips.c (mips_store_data_bypass_p): New.
277 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
280 2006-07-08 Paul Brook <paul@codesourcery.com>
283 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
285 2006-07-07 Richard Guenther <rguenther@suse.de>
288 * tree.h (build_one_cst): Declare.
289 * tree.c (build_one_cst): New function.
290 * tree-ssa-math-opts.c (get_constant_one): Remove.
291 (insert_reciprocals): Use build_one_cst.
292 * fold-const.c (fold_plusminus_mult): Likewise.
294 2006-07-07 Roger Sayle <roger@eyesopen.com>
296 * pointer-set.c (pointer_set_destroy): Correct whitespace.
297 * cfgloopanal.c (dump_graph): Likewise.
298 * dojump.c (discard_pending_stack_adjust): Likewise.
299 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
301 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
302 * function.c (finalize_block_changes): Likewise.
303 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
304 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
305 * rtl.c (dump_rtx_statistics): Likewise.
306 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
308 * varray.c (dump_varray_statistics): Likewise.
309 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
310 decode_decimal64, encode_decimal128, decode_decimal128,
311 decimal_real_to_decimal): Likewise.
313 2006-07-07 Richard Guenther <rguenther@suse.de>
315 PR tree-optimization/28187
316 * tree-vrp.c (vrp_operand_equal_p): New function.
317 (vrp_bitmap_equal_p): Likewise.
318 (update_value_range): Use them to compare old and new
321 2006-07-06 Roger Sayle <roger@eyesopen.com>
323 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
324 a default case to switch statement to silence compiler warnings.
326 2006-07-06 Roger Sayle <roger@eyesopen.com>
329 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
330 the configured assembler supports the x87's ffreep mnemonic.
331 * configure: Regenerate.
332 * config.in: Regenerate.
334 * config/i386/i386.c (output_387_ffreep): New function.
335 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
336 (output_387_reg_move): Likewise.
338 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
340 Port to hosts whose 'sort' and 'tail' implementations
341 treat operands with leading '+' as file names, as POSIX
342 has required since 2001. However, make sure the code still
343 works on pre-POSIX hosts.
344 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
345 which says you should use "tail -c +N" rather than "tail +Nc".
346 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
348 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
350 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
353 2006-07-06 David Edelsohn <edelsohn@gnu.org>
356 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
357 PRE_{INC,DEC} of TFmode.
359 2006-07-06 David Edelsohn <edelsohn@gnu.org>
360 Alan Modra <amodra@bigpond.net.au>
363 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
366 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
369 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
370 Remove duplicate gtu.
372 2006-07-05 Jason Merrill <jason@redhat.com>
376 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
377 * c-common.c (handle_packed_attribute): So don't copy it here.
378 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
380 2006-07-05 Mike Stump <mrs@apple.com>
382 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
384 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
387 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
389 2006-07-05 Richard Guenther <rguenther@suse.de>
392 * config/i386/i386.md (*negdf2_1): Restrict pattern to
393 TARGET_SSE2 targets if using SSE math.
394 (*absdf2_1): Likewise.
396 2006-07-05 Richard Guenther <rguenther@suse.de>
398 PR tree-optimization/28162
399 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
400 make sure to convert the operands to the correct type.
402 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
404 PR tree-optimization/28218
406 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
407 to calculate and free the dominator information.
409 2006-07-04 Peter O'Gorman <peter@pogma.com>
411 * mklibgcc.in: chmod 644 before ranlib during install.
413 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
414 J"orn Rennecke <joern.rennecke@st.com>
416 * configure.ac (.eh_frame data check): Use diff -b.
418 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
421 * Makefile.in (BUILD_RTL): Add build/vec.o.
422 (build/gencondmd.o): Filter out -fkeep-inline-functions.
423 (build/genextract): Delete.
424 (build/genautomata): Likewise.
426 2006-07-04 Alan Modra <amodra@bigpond.net.au>
429 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
430 128-bit IBM long doubles for ABI_V4.
432 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
434 * tree.c (range_in_array_bounds_p): New predicate.
435 * tree.h (range_in_array_bounds_p): Declare it.
436 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
437 return a less conservative answer.
438 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
440 (IS_ELEMENT_FOR_GROUP): New macro.
441 (FOR_EACH_ACTUAL_CHILD): Likewise.
442 (next_child_for_group): New helper function.
443 (can_completely_scalarize_p): Take into account groups.
444 (sra_hash_tree): Handle RANGE_EXPR.
445 (sra_elt_eq): Likewise.
446 (lookup_element): Be prepared for handling groups.
447 (is_valid_const_index): Delete.
448 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
449 instead of is_valid_const_index.
450 <ARRAY_RANGE_REF>: New case.
451 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
452 is_valid_const_index.
453 <ARRAY_RANGE_REF>: Do not unconditionally punt.
454 (scan_dump): Dump info for groups too.
455 (decide_instantiation_1): Likewise.
456 (decide_block_copy): Assert that the element is not a group.
457 Propagate decision to groups.
458 (generate_one_element_ref): Handle RANGE_EXPR.
459 (mark_no_warning): Iterate over actual childs.
460 (generate_copy_inout): Likewise.
461 (generate_element_copy): Likewise.
462 (generate_element_zero): Likewise.
463 (generate_element_init_1): Likewise.
464 (dump_sra_elt_name): Handle RANGE_EXPR.
466 2006-07-03 Roger Sayle <roger@eyesopen.com>
468 PR tree-optimization/26251
469 * tree-ssa-threadupdate.c (redirection_block_p): New function.
470 (thread_block): When optimizing for size refuse to thread jumps
471 that would require duplication of blocks other than redirection
474 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
476 * configure.ac: Fix thinko in previous check-in.
477 * configure: Regenerate.
479 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
482 * configure.ac (for lang...): Simplify nesting of conditionals.
483 Test subdir_requires for non-enabled languages. Move processing
484 of lang_opt_files and lang_tree_fiels below that test.
485 * configure: Regenerate.
486 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
488 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
490 * doc/gcov.texi (Invoking Gcov): Add a missing word.
492 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
494 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
497 2006-06-29 Jason Merrill <jason@redhat.com>
504 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
505 * c-common.c (c_determine_visibility): Handle it here.
506 * c-decl.c (finish_decl): Call c_determine_visibility for
508 * flags.h (enum symbol_visibility): Sort from most to least visibility.
510 * varasm.c (default_assemble_visibility): Likewise.
511 * c-common.c (handle_visibility_attribute): Complain about trying
512 to give visibility to an already defined class, or trying to change
513 declared visibility. Always attach the attribute.
518 * attribs.c (decl_attributes): Ignore type-in-place attributes
519 once the type has been defined.
521 2006-06-29 Roger Sayle <roger@eyesopen.com>
524 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
525 to indicate the cpplib has issued an error message for us.
527 2006-06-29 Asher Langton <langton2@llnl.gov>
530 * config/i386/i386.c (ix86_output_function_epilogue): Don't
531 insert a label at the end of an function under Mach-O.
533 2006-06-29 Eric Christopher <echristo@apple.com>
534 Evan Cheng <evan.cheng@apple.com>
536 * predicates.md (vector_all_ones_operand): New.
537 (nonimmediate_or_sse_const_operand): Ditto.
538 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
539 * config/i386/i386.c (standard_sse_constant_opcode): Define.
540 (standard_sse_mode_p): Ditto.
541 (standard_sse_constant_p): Add case for -1 vector.
542 (ix86_expand_vector_move): Try to use.
543 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
544 Call standard_sse_constant_opcode.
545 (*movv4sf_internal): Ditto.
546 (*movv2df_internal): Ditto.
548 2006-06-29 Roger Sayle <roger@eyesopen.com>
550 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
551 of XEXP to extract the operands of a MATCH_CODE rtx.
553 2006-06-28 Andrew Pinski <pinskia@gmail.com>
555 * tree.c (tree_size): Do not waste tail padding in
556 struct tree_string and make the size be the same as
557 build_string will generate.
559 2006-06-28 Jason Merrill <jason@redhat.com>
562 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
563 may_aliases already in the tag's annotations to the bitmap.
565 2006-06-28 Roger Sayle <roger@eyesopen.com>
567 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
569 2006-06-28 Roger Sayle <roger@eyesopen.com>
571 * genpreds.c (generate_switch_p): New function.
572 (add_mode_tests): Push the new mode test down inside an AND expr
573 if this allows the switch-suitable MATCH_CODE to be near the root.
574 (write_match_code_switch): New function to write a MATCH_CODE as
576 (write_predicate_stmts): New function to write a predicate RTX
577 expression as a sequence of statements.
578 (write_one_predicate_function): Use write_predicate_stmts.
579 (write_tm_constrs_h): Likewise.
581 2006-06-26 Fred Fish <fnf@specifix.com>
583 * config/mips/t-sb1: New file.
584 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
587 2006-06-26 DJ Delorie <dj@redhat.com>
589 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
591 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
592 Jayant Sonar <jayants@kpitcummins.com>
593 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
595 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
596 (subsi3, subsi3_1, subsi3_2): New.
597 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
598 * config/m32c/mov.md (SI mov peephole): New.
599 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
600 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
602 2006-06-26 Olivier Hainque <hainque@adacore.com>
604 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
605 a CALL_EXPR target function declaration.
607 2006-06-26 Richard Guenther <rguenther@suse.de>
609 * tree.c (build_string): Do not waste tail padding in
612 2006-06-26 Richard Guenther <rguenther@suse.de>
614 * ggc-page.c (init_ggc): Add missing element to size_lookup
618 2006-06-23 Richard Guenther <rguenther@suse.de>
620 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
621 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
622 alignment requests instead. Add verification code.
623 Add struct tree_function_decl and struct tree_binfo size to
624 extra_order_size_table. Add missing element to size_lookup
627 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
630 * fold-const.c (const_binop): Be prepared for self returning zero.
631 Simplify code handling complex values.
633 2006-06-24 Olivier Hainque <hainque@adacore.com>
635 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
636 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
639 2006-06-24 Olivier Hainque <hainque@adacore.com>
641 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
642 ARRAY_REF, so have the callback called for the low bound expression.
644 2006-06-23 Janis Johnson <janis187@us.ibm.com>
646 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
647 * c-typeck.c (c_common_type): Disallow operations on decimal float
648 types and other float types.
649 * convert.c (convert_to_real): Don't ignore conversions involving
652 2006-06-23 Olivier Hainque <hainque@adacore.com>
654 * tree.c (max_int_size_in_bytes): New function, inspired from
655 code in function.c:assign_temp.
656 * tree.h (max_int_size_in_bytes): Declare.
657 * function.c (assign_temp): Use it.
658 * gimplify.c (create_tmp_var): Relax the assertions on the type
659 properties, not mandating constant size any more.
660 (force_constant_size): New static function.
661 (gimple_add_tmp_var): Use it, forcing variable size to a
662 constant upper bound if it is not constant on entry.
664 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
667 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
668 for initialization and setting of one_only flag to ...
669 (i386_pe_encode_section_info): ...here.
670 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
671 Recheck that the symbol has not been defined.
673 2006-06-23 Richard Guenther <rguenther@suse.de>
675 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
676 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
677 alignment requests instead. Add verification code.
678 Add struct tree_function_decl and struct tree_binfo size to
679 extra_order_size_table. Add missing element to size_lookup
682 2006-06-22 Roger Sayle <roger@eyesopen.com>
683 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
686 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
687 call to lang_hooks.types.type_for_mode returned NULL_TREE.
689 2006-06-23 Ben Elliston <bje@au.ibm.com>
691 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
692 negate dn -- manipulate it directly.
694 2006-06-22 Roger Sayle <roger@eyesopen.com>
695 Steven Bosscher <stevenb.gcc@gmail.com>
698 * reload1.c (gen_reload): Call mark_jump_label on the new insns
699 generated by gen_move_insn to add REG_LABEL notes if necessary.
701 2006-06-22 Bob Wilson <bob.wilson@acm.org>
703 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
704 (leaf_entry): Remove use of MIN_ESA.
706 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
708 PR rtl-optimization/28121
709 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
712 2006-06-21 DJ Delorie <dj@redhat.com>
714 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
716 (mulhisi3_r): Likewise.
718 2006-06-21 Richard Sandiford <richard@codesourcery.com>
721 * coverage.c (coverage_counter_alloc): Leave the index type
723 (coverage_counter_alloc): Use null arguments for operands 2 and 3
726 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
728 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
729 section from the "Options for Code Generation Conventions".
731 2006-06-21 Richard Henderson <rth@redhat.com>
735 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
737 (global_symbolic_operand): Allow weak symbols, even if local_p.
739 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
741 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
742 (find_interesting_uses_address): Punt if above function returns true.
744 2006-06-21 Richard Guenther <rguenther@suse.de>
746 * configure: Regenerated.
748 2006-06-21 Joseph Myers <joseph@codesourcery.com>
750 * config/mips/mips.c (function_arg): Where one part of a
751 complex argument is in registers and the other part in the stack,
752 return a REG not a PARALLEL.
754 2006-06-21 Mark Mitchell <mark@codesourcery.com>
756 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
757 when cross-compiling. Do not substitute libstdcxx_incdir.
758 * configure: Regenerated.
760 2006-06-21 Jakub Jelinek <jakub@redhat.com>
762 * varasm.c (mergeable_string_section): Check for embedded NULs and
763 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
764 rather than TREE_STRING_LENGTH bytes.
766 2006-06-21 Richard Guenther <rguenther@suse.de>
768 * ggc-page.c (extra_order_size_table): Add var_ann_d,
769 tree_ssa_name, bitmap_element and phi_node with 4 arguments
772 2006-06-21 Richrad Guenther <rguenther@suse.de>
774 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
775 Limit iteration over the dominators.
777 2006-06-20 Roger Sayle <roger@eyesopen.com>
779 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
780 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
782 2006-06-20 Richard Guenther <rguenther@suse.de>
783 Michael Matz <matz@suse.de>
785 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
787 * alloc-pool.c (free_alloc_pool_if_empty): New function.
788 * et-forest.h (et_free_pools): Prototype new function.
789 * et-forest.c (et_free_tree_force): Free parent occurrence.
790 (et_free_pools): New function.
791 * dominance.c (free_dominance_info): Free et-forest alloc
794 2006-06-20 Roger Sayle <roger@eyesopen.com>
796 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
797 integer modes, attempt to directly construct an integer constant.
799 * fold-const.c (native_encode_vector): Determine the size of each
800 element from the vector type instead of the first vector element.
802 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
803 if all of its elements/components are constant.
804 (build_constructor_from_list): Likewise.
806 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
808 PR tree-optimization/27331
809 * tree-data-ref.c (free_data_ref): New function.
810 (create_data_ref): Fail if the data reference has unknown access
812 (free_data_refs): Use free_data_ref.
814 2006-06-19 Andrew Pinski <pinskia@gmail.com>
817 * tree-inline.c (setup_one_parameter): Strip useless
818 type conversion before adding it to the IR.
819 (declare_return_variable): Likewise.
821 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
824 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
826 2006-06-19 Mike Stump <mrs@apple.com>
828 * tree.c (variably_modified_type_p): VM arguments don't make the
831 2006-06-19 Richard Guenther <rguenther@suse.de>
833 * tree-ssa-pre.c (try_combine_conversion): Strip useless
834 type conversions after folding.
836 2006-06-19 Richard Guenther <rguenther@suse.de>
838 * ggc-page.c (extra_order_size_tab): Add entries with
839 size of struct function and basic_block.
840 (size_lookup): Extend to cover sizes up to 511.
841 (ggc_alloc_stat): Adjust user.
842 (ggc_pch_count_object): Likewise.
843 (ggc_pch_alloc_object): Likewise.
844 (ggc_pch_write_object): Likewise.
846 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
848 * tree-ssa-loop-niter.c (implies_ge_p): New function.
849 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
852 2006-06-19 Denis Chertykov <denisc@overta.ru>
854 * config/avr/libgcc.S : Correct my wrong previous commit.
856 2006-06-19 Roger Sayle <roger@eyesopen.com>
859 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
860 have stripped a SUBREG from the shift count, so we may need to
861 convert_to_mode back to the type's mode before calling make_tree.
862 Use new_amount instead of amount to avoid expanding a tree twice.
864 2006-06-19 Richard Guenther <rguenther@suse.de>
867 * fold-const.c (operand_equal_p): Check if the argument types
868 have the same precision before stripping NOPs.
870 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
872 Fix PR tree-optimization/27341
873 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
875 * tree-complex.c (pass_lower_complex): Update SMT usage.
877 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
879 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
880 Add a new alternative to the constraint strings. Add move of
881 operand 1 to 3 to the splitter definition.
882 ("doloop_si_long"): Second contraint alternative removed.
884 2006-06-08 Anatoly Sokolov <aesok@post.ru>
886 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
887 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
889 (AVR_HAVE_MOVW) Define.
890 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
891 (ASM_SPEC): Add avr25.
892 (LINK_SPEC): Add avr25.
893 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
894 (base_arch_s): Add new member 'have_movw_lpmx'.
895 (avr_arch_types): Init 'have_movw_lpmx'.
896 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
897 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
898 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
899 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
900 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
902 (avr_file_start): Do not output '.arh' derective.
903 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
904 (__do_copy_data): Use __AVR_HAVE_LPMX__.
905 * config/avr/avr.md (mcu_enhanced): Delete.
906 (mcu_have_movw): Define.
907 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
908 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
909 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
910 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
911 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
912 attiny861 and at86rf401 devices.
914 2006-06-18 Jie Zhang <jie.zhang@analog.com>
916 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
919 2006-06-17 Karl Berry <karl@gnu.org>
921 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
922 doc/gccint.texi, doc/install.texi (@dircategory): Use
923 "Software development" instead of "Programming", following
924 the Free Software Directory.
926 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
928 * config/i386/i386.c (legitimate_tls_address)
929 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
930 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
931 (*tls_dynamic_gnu2_combine_64): Likewise.
933 2006-06-16 Richard Guenther <rguenther@suse.de>
936 * fold-const.c (negate_expr_p): Do not introduce undefined
937 overflow in negating INTEGER_CSTs.
938 (fold_negate_expr): Rename from negate_expr. Revert last
939 change for folding BIT_NOT_EXPR. Change semantics to
940 return NULL_TREE for non-simplified negations. Do not
941 strip type conversions and unify type handling.
942 (negate_expr): New function, wrap around fold_negate_expr
943 but ensure building a tree always. Strip type conversions
944 here, fold to result type.
945 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
947 2006-06-16 Roger Sayle <roger@eyesopen.com>
950 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
951 that (would) return their results in stack registers.
953 2006-06-16 Michael Matz <matz@suse.de>
954 Richard Guenther <rguenther@suse.de>
956 * fold-const.c (fold_truthop): Only return new tree node if
957 we canonicalized something.
959 2006-06-16 Richard Guenther <rguenther@suse.de>
961 * function.h (enum function_frequency): Move declaration
962 out of struct function.
963 (struct function): Move bool fields and the enum to the bitfield
964 section. Reorder elements to avoid padding. Remove unused
965 fields left over from the RTL inliner removal.
966 * function.c (free_after_compilation): Do not zero removed fields.
967 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
968 (ipa-type-escape.o): Likewise.
970 2006-06-16 Richard Guenther <rguenther@suse.de>
972 * cgraph.h (struct cgraph_local_info): Turn bool elements
974 (struct cgraph_node): Likewise.
975 (struct cgraph_varpool_node): Likewise.
977 2006-06-15 Richard Guenther <rguenther@suse.de>
979 * fold-const.c (fold_truth_not_expr): Rename from
980 invert_truthvalue. Give it fold_* semantics to avoid
982 (invert_truthvalue): New function. Wrapper around
984 (optimize_minmax_comparison): Avoid creating garbage.
985 (fold_unary): Use fold_truth_not_expr for folding
987 (fold_ternary): Replace uses of invert_truthvalue with
988 fold_truth_not_expr where applicable.
989 * tree.h (fold_truth_not_expr): Prototype.
991 2006-06-16 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/27781
994 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
995 * ipa-pure-const.c (target.h): Include.
996 (analyze_function): Do not analyze functions that do not
999 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1002 * tree-dfa.c (referenced_vars_dup_list): Remove.
1003 (find_referenced_vars): Remove assert.
1004 (referenced_var_check_and_insert): Replace dup list with assert.
1005 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1006 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1008 2006-06-15 Richard Guenther <rguenther@suse.de>
1010 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1011 extra unused identifiers if not dumping.
1012 (create_variable_info_for): Likewise.
1014 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1016 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1017 (derive_constant_upper_bound): Derive more precise upper bound in
1018 common cases. Return type changed to double_int.
1019 (record_estimate): Reflect the changed return type of
1020 derive_constant_upper_bound.
1021 * double-int.c (double_int_zext, double_int_sext): Fix.
1023 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1025 * configure.ac (CFLAGS): Get them from the toplevel or from the
1026 configure invocation.
1027 * configure: Regenerate.
1028 * Makefile.in (CFLAGS): Substitute value provided by configure.
1030 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1033 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1034 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1035 rather than calling add_stmt on it.
1036 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1038 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1041 * reload1.c (reload): Remove registers returned by update_eliminables
1042 from used_spill_regs.
1044 2006-06-13 DJ Delorie <dj@redhat.com>
1046 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1048 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1050 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1051 html__strip_dir, html__mkdir_p. Enhance install-html target.
1052 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1053 * configure: Regenerate.
1055 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1057 * fold-const.c (fold_cond_expr_with_comparison): Check for
1058 Objective-C++ as language in deciding COND_EXPR transformation.
1060 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1063 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1064 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1065 * config/sh/lib1funcs.h (SL, SL1): Define.
1066 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1067 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1068 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1069 (OBJS_Os_4_200): New variable.
1070 ($(T)libgcc-Os-4-200.a): Use it.
1071 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1072 when dividing 1 and/or by 0.
1074 2006-06-13 Roger Sayle <roger@eyesopen.com>
1076 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1077 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1078 * configure: Regenerate.
1080 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1082 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1083 for real instruction.
1085 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1088 * haifa-sched.c (check_cfg): Handle special case.
1090 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1093 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1094 Add debug_info parameter. Chain the vars to the BLOCK instead
1095 of the BIND_EXPR if debug info are requested for them.
1096 (pop_gimplify_context): Adjust for above change.
1097 (gimple_add_tmp_var): Likewise.
1098 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1100 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1101 (convert_local_reference): Likewise.
1102 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1103 (finalize_nesting_tree_1): Request that debug info be emitted
1104 for debug_var_chain.
1106 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1108 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1109 for PR target/27863.
1111 2006-06-13 Richard Guenther <rguenther@suse.de>
1114 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1116 2006-06-13 Richard Guenther <rguenther@suse.de>
1118 PR tree-optimization/27830
1119 * tree-inline.c (copy_body_r): For copying the operand
1120 of an ADDR_EXPR make sure to fold &* afterwards.
1122 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1124 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1125 lvalues in the fb_none case with side-effects.
1127 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1129 * tree-flow.h: Remove the prototype for
1130 compute_phi_arg_on_exit.
1131 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1132 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1135 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1137 * builtins.c (expand_builtin_return_addr): Only use
1138 frame_pointer_rtx when count == 0 and we are expanding
1139 __builtin_return_address.
1141 2006-06-12 Fred Fish <fnf@specifix.com>
1143 * config/mips/mips.c (mips_file_start): Create special section
1144 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1146 2006-06-11 Eric Christopher <echristo@apple.com>
1149 * stor-layout.c (place_field): Remove check for
1150 remaining_in_alignment when aligning at the end of a run.
1152 2006-06-11 Eric Christopher <echristo@apple.com>
1155 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1158 2006-06-11 Roger Sayle <roger@eyesopen.com>
1161 Revert incorrect fix for PR target/27158
1162 2006-05-08 Roger Sayle <roger@eyesopen.com>
1163 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1164 of a reg_equiv_constant if the result is a legitimate constant.
1166 2006-06-11 Roger Sayle <roger@eyesopen.com>
1169 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1170 extract a CONST_VECTOR element and interpret it as an integer.
1171 (vspltis_constant): Use const_vector_elt_as_int instead of the
1172 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1173 * config/rs6000/predicates.md (easy_vector_const): Consider
1174 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1176 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1179 * stor-layout.c (update_alignment_for_field): Don't add extra
1180 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1183 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1185 * config/mips/t-rtems: Add EL/EB multilib variants.
1187 2006-06-09 Mike Stump <mrs@apple.com>
1189 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1191 2006-06-09 David Daney <ddaney@avtrex.com>
1193 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1195 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1197 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1199 2006-06-09 Richard Guenther <rguenther@suse.de>
1201 PR tree-optimization/26998
1202 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1203 of signed types, only TYPE_MIN_VALUE is special, but for both,
1204 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1205 in this case, as is -fwrapv.
1207 2006-06-08 Mike Stump <mrs@apple.com>
1210 * config/darwin.c (darwin_asm_output_anchor): Disable
1211 -fsection-anchors on darwin for now.
1212 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1213 * rs6000/rs6000.c (optimization_options): Likewise.
1215 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1218 * config/i386/i386.c (classify_argument): Skip fields with invalid
1221 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1223 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1224 (cse_insn): Likewise for the stack_pointer_rtx.
1226 2006-06-08 Roger Sayle <roger@eyesopen.com>
1228 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1229 conditions from floating point comparisons.
1231 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1234 * expmed.c (struct alg_hash_entry): Fix type of field T
1235 to match synth_mult argument.
1236 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1238 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1241 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1244 2006-06-08 Richard Guenther <rguenther@suse.de>
1247 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1248 only, if overflow is defined and not trapping.
1249 (negate_expr): Likewise.
1251 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1253 PR tree-optimization/27872
1254 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1255 flag on the new exit edge of the unrolled loop.
1257 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1259 PR rtl-optimization/26449
1260 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1262 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1265 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1266 referenced_variables with matching DECL_UID's.
1267 (find_referenced_vars): Make sure duplicate list is empty to start.
1268 (referenced_var_p): Remove.
1269 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1270 Check if var is in the list, and add if needed. Update the duplicate
1271 list if a different var is in the list with the same DECL_UID.
1272 (add_referenced_var): Call routine to check and insert.
1273 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1274 * tree-flow.h (referenced_vars_dup_list): External declaration.
1276 2006-06-07 Fred Fish <fnf@specifix.com>
1278 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1281 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1284 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1285 the imaginary and real parts of a clobbered register.
1286 Emit insn to set the imaginary part.
1288 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1290 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1291 in lieu of unwind-dw2-fde.c.
1293 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1295 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1297 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1300 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1301 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1302 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1303 V4SImode temporaries and operations instead.
1305 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1307 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1310 2006-06-06 Mike Stump <mrs@apple.com>
1312 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1313 installing during build.
1315 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1317 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1319 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1320 * config/ia64/ia64.c (params.h): New header.
1321 (ia64_optimization_options): New function to adjust parameters.
1322 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1323 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1324 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1326 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1328 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1330 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1333 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1335 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1336 Victor Kaplansky <victork@il.ibm.com>
1338 PR tree-optimization/26360
1339 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1342 2006-06-04 Roger Sayle <roger@eyesopen.com>
1343 Andrew Pinski <pinskia@physics.uc.edu>
1346 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1347 for LABEL_DECL before calling DECL_WEAK.
1350 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1351 LABEL_DECL and PARM_DECL.
1353 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1357 * c-decl.c (grokdeclarator): Disallow variably modified types at
1358 file scope. Avoid marking shared array type of constant size as
1361 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1364 * c-common.c (fold_offsetof_1): Handle static members.
1366 2006-06-04 Eric Christopher <echristo@apple.com>
1368 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1369 (debug_rli): Output value for remaining_in_alignment.
1370 (update_alignment_for_field): Unconditionalize
1371 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1372 extra alignment code.
1373 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1374 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1375 * tree.h (record_layout_info_s): Remove prev_packed.
1376 * doc/extend.texi (ms_struct): Add documentation of format.
1378 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1380 * tree.h: Declare folding_initializer.
1381 * builtins.c (fold_builtin_constant_p): Give definite answer
1382 if folding inside an initializer.
1383 * fold-const.c: Define folding_initializer.
1384 (START_FOLD_INIT): Save and then set folding_initializer.
1385 (END_FOLD_INIT): Restore folding_initializer.
1387 2006-06-04 Richard Guenther <rguenther@suse.de>
1389 PR tree-optimization/27039
1390 * fold-const.c (fold_comparison): Handle pointer comparison
1391 again for all comparison codes. Compare offsets in signed
1393 (fold_binary): Move code from here.
1395 2006-06-03 Roger Sayle <roger@eyesopen.com>
1398 * config/i386/i386.c (construct_container): Split static issued_error
1399 flag into issued_sse_arg_error, issued_sse_ret_error and
1400 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1401 requires the use of x87 registers and the user explicitly
1402 specified the -mno-80387 command line option.
1404 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1406 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1407 HAVE_DECL_SIGALTSTACK.
1409 (segv_handler): Use MC_FLD.
1410 * configure.ac: Check for a sigaltstack declaration.
1411 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1412 * configure: Regenerate.
1413 * config.in: Regenerate.
1415 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1418 * Makefile.in (stmp-fixinc): Fix typo.
1420 2006-06-02 Roger Sayle <roger@eyesopen.com>
1422 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1423 are type correct. Clean-up.
1424 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1425 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1427 2006-06-01 DJ Delorie <dj@redhat.com>
1429 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1430 shift, as we've disabled the "switch" insn that needs it.
1432 2006-06-01 Per Bothner <bothner@bothner.com>
1434 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1435 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1436 * c-ppoutput.c (cb_define): Don't increment line 0.
1438 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1440 * doc/invoke.texi: Add cpu_type power6.
1441 * config.gcc: Add cpu_type power6.
1442 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1443 to power5+ with Altivec.
1444 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1445 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1447 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1449 * config/avr/avr.h (SET_ASM_OP): Define.
1451 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1453 * config/bfin/bfin.c: Fix comment typos.
1455 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1458 * doc/install.texi: Document --enable-bootstrap and
1459 --disable-bootstrap.
1461 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1463 * doc/install.texi: Document that InfoZIP can replace jar.
1465 2006-05-31 Roger Sayle <roger@eyesopen.com>
1467 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1468 isn't available, directly generate the simpler x87 patterns without
1469 the (use (const_int 0)).
1470 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1471 implementation isn't available.
1472 (*negdf2_1): Likewise.
1473 (*negxf2_1): XF mode negation is always done using the x87.
1474 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1476 2006-05-31 Roger Sayle <roger@eyesopen.com>
1478 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1479 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1481 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1483 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1485 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1486 * config/bfin/bfin.c (basic-block.h): Include.
1487 (struct machine_function): New.
1488 (bfin_init_machine_status): New.
1489 (override_options): Initialize init_machine_status.
1490 (bfin_hardware_loop): New.
1491 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1492 (DEF_VEC_P (loop_info)): New.
1493 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1494 (struct loop_info): New.
1495 (loop_info): New typedef.
1496 (struct loop_work): New.
1497 (loop_work): New typedef.
1498 (DEF_VEC_O (loop_work)): New.
1499 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1500 (bfin_dump_loops): New.
1501 (bfin_bb_in_loop): New.
1502 (bfin_scan_loop): New.
1503 (bfin_optimize_loop): New.
1504 (bfin_reorg_loops): New.
1505 (bfin_reorg): Use bfin_reorg_loops.
1506 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1508 (I_REGNO_P): Simplify.
1509 (DP_REGNO_P, DPREG_P): New macros.
1510 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1511 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1512 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1513 Add LT_REGS, LC_REGS, LB_REGS.
1514 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1516 (REGNO_REG_CLASS): Deal with loop registers.
1517 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1519 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1520 New constants for loop registers.
1521 (UNSPEC_LSETUP_END): New.
1522 (seq_insns): New define_attr. Set it for appropriate insns.
1523 (movsi_insn): Add alternatives for move from/to
1524 loop count registers.
1525 (doloop_end): New define_expand.
1526 (loop_end): New define_insn.
1527 (define_split for bad doloop_end): New.
1528 (lsetup_with_autoinit): New define_insn.
1529 (lsetup_without_autoinit): New define_insn.
1530 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1531 * config/bfin/predicates.md (lc_register_operand): New.
1532 (lt_register_operand): New.
1533 (lb_register_operand): New.
1534 (nondp_register_operand): New.
1535 (nondp_reg_or_memory_operand): New.
1536 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1538 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1540 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1541 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1543 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1545 * Makefile.in (CATALOGS): Add po/ prefix.
1546 * configure: Regenerated.
1548 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1551 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1552 a shift operand before calling shift_op. Avoid redundant call of
1555 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1556 DJ Delorie <dj@redhat.com>
1558 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1559 we're inserting is a singlt-bit constant.
1561 2006-05-30 Roger Sayle <roger@eyesopen.com>
1563 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1564 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1566 2006-05-30 Roger Sayle <roger@eyesopen.com>
1568 PR tree-optimization/23452
1569 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1570 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1571 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1572 complex values and with -ffast-math for FP complex values.
1574 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1576 * c-common.h: Remove the prototype for yyparse.
1577 * rtl.h: Remove the prototype for init_loop.
1579 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1581 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1584 2006-05-30 Roger Sayle <roger@eyesopen.com>
1586 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1588 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1589 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1591 2006-05-30 Dirk Mueller <dmueller@suse.de>
1594 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1595 for CONSTANT_CLASS_P expresisons.
1597 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1600 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1602 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1604 PR tree-optimization/27779
1605 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1606 initial_condition instead of CHREC_LEFT.
1608 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1610 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1611 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1612 Make prototypes ISO C90.
1614 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1615 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1617 * see.c (see_analyze_one_def): Correct check.
1618 (see_get_extension_data): Check if extension is parallel.
1619 (see_get_extension_reg): Likewise.
1621 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1624 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1625 into register for (code == GTU).
1627 2006-05-29 Roger Sayle <roger@eyesopen.com>
1629 PR tree-optimization/24964
1630 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1631 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1632 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1633 abs(x)*abs(x) as x*x for scalar floating point modes.
1635 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1638 * lambda-code.c (perfect_nestify): Don't copy statements
1639 in the inner loop: move them to the inner loop header.
1641 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1644 * c-tree.texi: Document OpenMP directives and clauses.
1646 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1648 * varasm.c (globalize_decl): Fix indentation.
1650 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1653 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1654 pass_fre, pass_store_ccp, pass_copy_prop,
1655 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1656 pass_return_slot, pass_object_size, pass_lim,
1657 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1658 pass_loop_prefetch and pass_stdarg.
1660 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1662 * config/bfin/bfin.opt (mfdpic): New option.
1663 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1664 (EXTRA_MULTILIB_PARTS): Likewise.
1665 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1666 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1668 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1669 (CRT_CALL_STATIC_FUNCTION): New.
1670 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1672 (CRT_CALL_STATIC_FUNCTION): New.
1673 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1675 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1676 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1677 (initialize_trampoline): Changed to handle FD-PIC code generation.
1678 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1679 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1680 (override_options): Disallow -mid-shared-library -mfdpic combination.
1681 Can't do unaligned ops if FD-PIC.
1682 Turn off flag_pic if trying to generate non-id-shared-library
1683 non-fdpic code, since it's not supported.
1684 (bfin_assemble_integer): New function.
1685 (TARGET_ASM_INTEGER): Define.
1686 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1688 * config/bfin/crtn.s: Restore them.
1689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1691 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1692 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1693 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1694 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1695 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1697 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1698 FDPIC_REGS and FDPIC_FPTR_REGS.
1699 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1700 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1701 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1702 (load_funcdescsi): New pattern.
1703 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1704 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1705 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1707 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1709 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1712 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1714 * tree-flow.h: Remove the prototype for add_type_alias.
1715 * tree-ssa-alias.c (add_type_alias): Remove.
1717 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1719 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1720 config/fr30/fr30.md, config/i386/i386-interix.h,
1721 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1722 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1723 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1724 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1725 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1726 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1727 Follow spelling conventions.
1728 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1729 Follow spelling conventions.
1731 2006-05-27 Richard Guenther <rguenther@suse.de>
1734 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1735 to produce a constant of value 1 of generic type.
1737 2006-05-27 Dirk Mueller <dmueller@suse.de>
1739 * cgraphunit.c (decide_is_function_needed): Fix wrong
1742 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1744 PR rtl-optimization/27661
1745 * reload.c (find_reloads): When reloading a VOIDmode constant
1746 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1747 use Pmode as mode of the reload register.
1749 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1751 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1752 is enabled at -O and above.
1754 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1757 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1760 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1763 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1764 for anonymous variables explicitly declared by front ends.
1766 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1768 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1769 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1770 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1771 ref-all pointers, run a finalization pass for them.
1772 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1773 (finalize_ref_all_pointers): New function.
1774 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1775 regular pointer type to a ref-all pointer type.
1776 (get_tmt_for): Return the special memory tag for ref-all pointers.
1778 2006-05-25 Richard Guenther <rguenther@suse.de>
1781 * fold-const.c (fold_binary): Do not look at the stripped
1782 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1784 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1786 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1787 for LT and GT if the computed range is effectively empty.
1789 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1792 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1793 mips_quad_format formats instead of ieee_single_format,
1794 ieee_double_format and ieee_quad_format formats, respectively.
1796 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1798 PR tree-optimization/27639
1799 PR tree-optimization/26719
1800 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1801 call to scev_probably_wraps_p.
1802 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1803 used_in_pointer_arithmetic_p, convert_step): Removed.
1804 (nowrap_type_p): New function.
1805 (scev_probably_wraps_p): Rewritten.
1806 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1807 chrec_convert if chrec_convert_aggressive might have been used.
1808 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1809 scev_direction): New functions.
1810 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1811 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1812 instead of convert_step.
1813 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1814 (convert_step): Declaration removed.
1815 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1817 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1819 * df-core.c: Added to header comments.
1820 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1821 df_ur_bb_info, df_urec_bb_info): Added comments.
1822 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1823 urec, ri problems): Fixed header comments.
1824 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1825 code from df_rd_transfer_function.
1827 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1829 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1830 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1831 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1833 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1835 * expr.c (undefined_operand_subword_p): New.
1836 (emit_move_multi_word): Do not generate move from undefined bits
1837 of a paradoxical subreg.
1839 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1841 PR rtl-optimization/27736
1842 * combine.c (replaced_rhs_value): New variable.
1843 (combine_instructions): Set it.
1844 (distribute_notes): When distributing a note in replaced_rhs_insn,
1845 check whether the value was used in replaced_rhs_value.
1847 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1850 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1851 add_referenced_var instead of add_referenced_tmp_var.
1852 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1853 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1855 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1856 tree_optimize_tail_calls_1): Use add_referenced_var.
1857 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1858 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1859 Use add_referenced_var.
1860 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1861 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1862 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1863 Use add_referenced_var.
1864 * tree-dfa.c (struct walk_state): Remove.
1865 (find_referenced_vars): Remove walk state and vars_found hash table.
1866 (make_rename_temp): Use add_referenced_var.
1867 (find_vars_r): Pass less parameters to add_referenced_var.
1868 (referenced_var_p): New. Is var in referenced_var hash table.
1869 (referenced_var_insert): Assert var isn't already in hash table.
1870 (add_referenced_var): Don't need walk_state parameter. Add var if it
1871 isn't already in the hash table.
1872 (add_referenced_tmp_var): Remove.
1873 (find_new_referenced_vars_1): Use add_referenced_var.
1874 * tree-ssa-pre.c (create_expression_by_pieces,
1875 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1876 Use add_referenced_var.
1877 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1878 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1879 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1881 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1882 vect_create_data_ref_ptr, vect_create_destination_var,
1883 vect_init_vector, vect_build_loop_niters,
1884 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1885 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1886 Use add_referenced_var.
1887 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1888 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1889 (add_referenced_var): Add prototype.
1890 * tree-ssa-structalias.c (get_constraint_for,
1891 intra_create_variable_infos): Use add_referenced_var.
1893 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1895 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1896 big-endian paradoxical subregs.
1897 * var-tracking.c (struct micro_operation_def): Document that,
1898 for modify micro operations, insn is the subsequent instruction.
1899 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1900 (var_reg_set, var_mem_set): ... new functions.
1901 (add_stores): Record subsequent insn.
1902 (compute_bb_dataflow): Use new functions for MO_USE.
1903 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1904 notes after the insn, and modify notes before the insn known
1905 to be the subsequent one.
1906 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1908 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1911 * config/i386/i386.c (ix86_expand_builtin): Use
1912 gen_sse3_monitor64 for TARGET_64BIT.
1914 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1916 PR rtl-optimization/26375
1917 PR rtl-optimization/26855
1918 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1920 (df_ru_bb_local_compute): Reversed statements and removed bogus
1921 comment explaining why they should be in wrong order.
1922 (df_ru_dump, df_rd_dump): Enhanced debug info.
1923 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1925 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1926 reaching uses and fixed space problem.
1928 2006-05-23 Jan Hubicka <jh@suse.cz>
1930 * cgraphunit.c (decide_is_function_needed): Also nested functions
1931 and functions declared inline can be optimized out at -O0.
1933 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1935 * doc/install.texi (Configuration): Remove reference to CrossGCC
1939 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1942 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1943 ix86_compare_emitted is non-NULL.
1945 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1948 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1951 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1953 PR rtl-optimization/25514
1954 * combine.c (replaced_rhs_insn): New variable.
1955 (combine_instructions): Set replaced_rhs_insn when trying to replace
1956 a SET_SRC with a REG_EQUAL note.
1957 (distribute_notes): Use replaced_rhs_insn when determining the live
1958 range of a REG_DEAD register.
1960 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1961 Anatoly Sokolov <aesok@post.ru>
1963 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1964 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1965 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1966 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1967 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1968 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1969 at90usb647, at90usb1286 and at90usb1287 devices.
1970 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1971 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1973 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1975 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1977 2006-05-22 Richard Guenther <rguenther@suse.de>
1980 2006-01-31 Richard Guenther <rguenther@suse.de>
1981 Paolo Bonzini <bonzini@gnu.org>
1983 * doc/install.texi (--disable-libgcc-math): Document.
1985 2006-05-22 Richard Guenther <rguenther@suse.de>
1988 2006-01-31 Richard Guenther <rguenther@suse.de>
1990 * doc/invoke.texi (-msselibm): Document.
1991 * target.h (expand_library_builtin): New target hook.
1992 * builtins.c (expand_builtin): Use expand_library_builtin.
1993 (default_expand_library_builtin): New function.
1994 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1995 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1996 (link_gcc_math_spec): Declare.
1997 (static_specs): Add link_gcc_math_spec.
1998 * expr.h (default_expand_library_builtin): Declare.
1999 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2000 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2001 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2002 * config/i386/i386.opt (msselibm): New target option.
2003 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2004 (ix86_init_sse_abi_builtins): New function.
2005 (ix86_expand_library_builtin): Likewise.
2006 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2007 (override_options): Handle error conditions wrt -msselibm.
2008 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2009 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2010 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2013 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2016 * c-common.c (self_promoting_args_p): Skip erroneous args.
2019 * c-decl.c (finish_struct): Skip erroneous fields.
2021 2006-05-22 Nick Clifton <nickc@redhat.com>
2023 * config/cris/cris.opt (march): Remove VarExists attribute.
2024 (max-stackframe=): Likewise.
2026 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2028 * doc/rtl.texi: Fix a typo.
2029 * see.c: Fix comment typos.
2031 * tree-ssa-structalias.h (alias_info): Remove num_references.
2033 2006-05-21 Mike Stump <mrs@apple.com>
2035 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2037 (darwin_pragma_options): Use BAD instead.
2038 (darwin_pragma_unused): Likewise.
2039 (darwin_pragma_ms_struct): Likewise.
2041 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2043 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2045 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2047 PR rtl-optimization/27671
2048 * simplify-rtx.c (simplify_relational_operation_1): Fix
2049 simplifications of (eq/ne (xor x y) y) and
2050 (eq/ne (xor x y) x).
2052 PR tree-optimization/26622.
2053 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2056 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2058 * tree-cfg.c: Prune whitespace.
2059 (debug_tree_cfg): Point to correct header containing the
2062 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2065 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2067 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2070 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2071 or sorry count is non zero.
2073 2006-05-20 Andreas Schwab <schwab@suse.de>
2075 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2077 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2078 Kenneth Zadeck <zadeck@naturalbridge.com>
2080 PR rtl-optimization/26855
2082 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2084 (df_scan_alloc): Added code to properly handle multiword hard
2085 registers and add all_blocks parameter.
2086 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2087 code to properly handle multiword hard registers.
2088 (df_rescan_blocks): Added code to remove deleted blocks from
2090 (df_ref_create_structure, df_ref_record): Added code to properly
2092 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2093 and set DF_REF_PARTIAL.
2094 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2095 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2096 (df_scan_add_problem): Added flags parameter.
2097 (df_ref_create_structure): Changed switching structure.
2098 (df_bb_refs_record): Fixed case where duplicate artificial refs
2099 were created. Changed location of flags.
2100 (df_record_entry_block_defs): Added code to make stack pointer
2101 live in entry block. Refined cases where frame pointer is needed.
2102 Changed location of flags.
2103 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2104 (df_set_state): Removed function.
2105 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2106 df_insn_create_insn_record, df_insn_refs_delete,
2107 df_ref_create_structure): Formatting changes.
2108 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2109 df_delete_basic_block): New function.
2110 (df_init): Changed location of flags.
2111 (df_add_problem): Added flags parameter and the way flags are
2113 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2114 debug_df_chain): Improved debugging output.
2115 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2116 (df_refs_chain_dump): Removed df parameter.
2117 (df_iterative_dataflow): Added consistency check.
2118 (df_prune_to_subcfg): Made public.
2119 (df_analyze_problem): Added blocks_to_init parameter and made
2121 (df_ref_record, df_bb_refs_record, df_mark_reg,
2122 df_record_exit_block_uses): Whitespace changes.
2123 (df_dump): Whitespace changes.
2124 * df.h: Some reordering to remove forward references.
2125 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2126 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2127 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2128 (dataflow.flags): New field.
2129 (df.flag): Deleted field.
2130 (df_alloc_function): Added additional bitmap parameter.
2131 (df_dependent_problem_function): New type.
2132 (df_problem.changeable_flags): New field.
2133 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2134 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2135 (df_mw_hardreg): New struct.
2136 (DF_INSN_UID_MWS): New macro.
2137 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2139 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2140 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2141 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2142 (df_set_state): Removed function.
2143 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2144 * df-problems.c (df_chain_dump): Removed df parameter.
2145 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2146 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2148 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2149 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2150 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2151 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2152 DF_REF_MUST_CLOBBER cases.
2153 (df_ru_bb_local_compute_process_def,
2154 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2155 df_lr_bb_local_compute, df_ur_bb_local_compute,
2156 df_chain_create_bb): Made subreg aware.
2157 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2158 df_lr_bb_local_compute, df_lr_bb_local_compute,
2159 df_chain_create_bb): Cleanup to use proper macros.
2160 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2161 code to fixup bitvectors.
2162 (df_ri_alloc): Cleared lifetime.
2163 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2164 df_create_unused_note): New function.
2165 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2166 REG_DEAD and REG_UNUSED notes as well as register information.
2167 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2168 df_chains_dump): Fixed crash if problem was never run.
2169 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2170 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2171 df_ri_add_problem): Processes flags in uniform manner.
2172 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2173 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2174 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2175 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2176 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2177 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2178 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2179 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2180 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2181 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2182 * see.c (see_initialize_data): Ditto.
2183 * final.c (rest_of_clean_state) Added regstack_completed.
2184 * rtl.h (regstack_completed): Ditto.
2185 * reg-stack.c (regstack_completed): Ditto.
2187 2006-05-19 Mike Stump <mrs@apple.com>
2189 * c-tree.h (default_conversion): Remove.
2190 * c-common.h (default_conversion): Add.
2192 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2194 * tree-vrp.c (valid_value_p): New function.
2195 (adjust_range_with_scev): Fail if the value of bound is not
2198 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2200 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2201 (mips_fallback_frame_state): Use syscall numbers to determine
2202 the appropriate li instruction for the current ABI. Only use
2203 __NR_sigreturn for o32.
2205 2006-05-19 Nicolas Setton <setton@adacore.com>
2207 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2208 * langhooks.c (lhd_dwarf_name): New function.
2209 * langhooks-def.h (lhd_dwarf_name): Declare.
2210 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2211 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2212 * ada/misc.c (gnat_dwarf_name): New function.
2213 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2215 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2217 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2219 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2220 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2221 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2222 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2223 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2224 determine the size of Wtype, etc.
2225 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2226 (swfloatfuncs): New variable.
2227 (dwfloatfuncs): Likewise.
2228 (lib2funcs): Remove floating-point conversion functions from
2229 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2230 the set of conversion routines needed. Allow entries to specify
2231 an object name, filename and word size. Update users accordingly.
2232 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2233 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2237 2006-02-08 Roger Sayle <roger@eyesopen.com>
2240 * config/fixtfdi.c: New libgcc source file.
2241 * config/fixunstfdi.c: New source file.
2242 * config/floatditf.c: New source file.
2243 * config/floatunditf.c: New souce file.
2244 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2245 files above instead of config/mips/_tilib.c.
2246 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2248 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2250 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2251 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2253 2006-05-18 Mike Stump <mrs@apple.com>
2255 Fix up vla, vm and [*] sematics.
2261 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2262 (c_vla_unspec_p): Add.
2263 (c_vla_type_p): Add.
2264 * c-decl.c (struct c_scope): Add had_vla_unspec.
2265 (build_array_declarator): Add support for [*].
2266 (grokdeclarator): Likewise.
2267 (grokparms): Likewise.
2268 (get_parm_info): Likewise.
2269 * c-objc-common.c (c_vla_unspec_p): Likewise.
2270 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2271 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2272 typeof when argument is a variably modified type not inside sizeof or alignof.
2273 (c_parser_direct_declarator_inner): Propagate errors.
2274 (c_parser_sizeof_expression): Add support for [*].
2275 (c_parser_parms_declarator): Initialize had_vla_unspec.
2276 (c_parser_parms_list_declarator): Likewise.
2277 * c-typeck.c (c_vla_type_p): Add.
2278 (composite_type): Add support for vla compositing.
2279 (comptypes_internal): Add support for vla compatibility.
2280 (c_expr_sizeof_expr): Evaluate vla arguments.
2281 * tree.c (variably_modified_type_p): Update comment for [*].
2283 2006-05-18 Michael Matz <matz@suse.de>
2286 * config.host: Make assignments to host_xmake_file cumulative.
2287 * config.host (*-darwin*): Test $host, not $target.
2289 2006-05-12 Stuart Hastings <stuart@apple.com>
2291 * config/i386/i386.opt (-mstackrealign): New flag.
2292 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2293 (ix86_handle_cconv_attribute): Emit error when
2294 force_align_arg_pointer attribute collides with too many regparms.
2295 (ix86_function_regparm): Limit regparms when used with
2296 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2297 Support stack-realigning prologue in non-main functions. Emit
2298 warning for nested functions under -mstackrealign, emit error for
2299 nested functions with force_align_arg_pointer attribute.
2300 * doc/extend.texi (force_align_arg_pointer): Document it.
2301 * doc/invoke.texi (-mstackrealign): Document it.
2303 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2305 PR rtl-optimization/27477
2306 * combine.c (try_combine): Don't split a parallel consisting
2307 of two sets into two individual sets if both sets reference
2310 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2312 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2313 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2315 * doc/options.texi (VarExists): Updated.
2317 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2319 * unwind-dw2.c: Add declarations for uw_update_context and
2321 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2322 detected, advance frame state and context once to skip over stub.
2324 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2328 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2329 Call rewrite_into_loop_closed_ssa only when something changed.
2330 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2331 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2332 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2333 Test for perfect_nest_p here. Fix formating.
2334 (replace_uses_equiv_to_x_with_y): Fix formating.
2335 (stmt_uses_op): Removed.
2336 (can_convert_to_perfect_nest): Removed loopivs parameter.
2337 Complete the test by checking the scalar dependences.
2338 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2341 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2344 From Dan Kegel <dank@kegel.com>:
2345 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2347 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2349 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2350 if the element type is variably modified without recursing.
2352 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2355 * tree-loop-linear.c (try_interchange_loops): Test for
2356 no data dependences.
2358 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2360 PR tree-optimization/27548
2361 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2362 range of ssa names that appear on abnormal edges.
2363 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2364 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2366 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2369 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2371 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2374 * tree.h (OMP_PARALLEL_COMBINED): Define.
2375 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2376 (new_omp_context): Add is_combined_parallel argument.
2377 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2378 new_omp_context caller.
2379 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2380 Adjust gimplify_scan_omp_clauses callers.
2381 (omp_is_private): Issue errors if iteration variable is firstprivate
2382 or reduction in the current context.
2383 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2384 on combined parallel workshare constructs.
2386 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2388 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2389 (gcc-options.o): New rule.
2391 * optc-gen.awk: Protect variables for gcc-options.o with
2392 #ifdef GCC_DRIVER/#endif.
2394 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2396 Fix PR tree-optimization/27373
2397 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2398 (forward_propagate_addr_expr): Update call.
2400 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2402 * doc/options.texi: Move the Negative option.
2404 2006-05-16 Richard Guenther <rguenther@suse.de>
2406 PR tree-optimization/22303
2407 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2409 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2410 ccp_fold did not simplify the statement.
2412 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2415 * Makefile.in (GCC_OBJS): New.
2416 (OBJS-common): Add opts-common.o.
2417 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2418 (cpp$(exeext)): Likewise.
2419 (gcc.o): Also depend on opts.h.
2420 (opts-common.o): New.
2422 * common.opt (gcoff): Add Negative(gdwarf-2).
2423 (gdwarf-2): Add Negative(gstabs).
2424 (gstabs): Add Negative(gstabs+).
2425 (gstabs+): Add Negative(gvms).
2426 (gvms): Add Negative(gxcoff).
2427 (gxcoff): Add Negative(gxcoff+).
2428 (gxcoff+): Add Negative(gcoff).
2429 * config/i386/i386.opt (m32): Add Negative(m64).
2430 (m64): Add Negative(m32).
2432 * doc/options.texi: Document the Negative option.
2434 * gcc.c: Include "opts.h".
2435 (main): Call prune_options after expandargv.
2437 * optc-gen.awk: Generate common declarations for all flag
2438 variables in options.c. Output the neg_index field.
2440 * opts.c (find_opt): Moved to ...
2441 * opts-common.c: Here. New file.
2443 * opts.h (cl_option): Add a neg_index field.
2445 (prune_options): Likewise.
2447 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2450 * omp-low.c (expand_omp_parallel): Don't assert
2451 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2452 instead search for it.
2455 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2458 2006-05-16 Andreas Schwab <schwab@suse.de>
2460 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2463 2006-05-15 Roger Sayle <roger@eyesopen.com>
2466 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2467 integer constants other than zero are only legitimate on TARGET_64BIT.
2468 <CONST_VECTOR> Only zero vectors are legitimate.
2469 (ix86_cannot_force_const_mem): Integral and vector constants can
2470 always be put in the constant pool.
2472 2006-05-16 DJ Delorie <dj@redhat.com>
2474 * crtstuff.c (__dso_handle): Set section from
2475 TARGET_LBIGCC_SDATA_SECTION if defined.
2476 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2477 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2479 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2482 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2485 2006-05-16 Ben Elliston <bje@au.ibm.com>
2487 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2489 2006-05-15 Per Bothner <per@bothner.com>
2491 * tree.c: (last_annotated_node): Use source_locus typedef.
2492 This permits bootstrapping with --enable-mapped-location.
2494 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2496 PR tree-optimization/26830
2497 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2498 (info_for_ssa_name, current_info_for_ssa_name_age,
2499 blocks_to_update): New variables.
2500 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2501 (clear_ssa_name_info, initialize_flags_in_bb,
2502 mark_block_for_update): New functions.
2503 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2504 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2505 prepare_def_site_for): Use mark_block_for_update.
2506 (mark_def_interesting): Assert that the processed block is marked in
2507 blocks_to_update. Do not take blocks argument.
2508 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2510 (rewrite_update_init_block, rewrite_update_stmt): Only process
2511 blocks with statements to rewrite.
2512 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2513 (update_ssa): Initialize and free blocks_to_update. Do not
2514 clear flags on statements. Do not use blocks bitmap.
2515 * tree.h (SSA_NAME_AUX): Removed.
2516 (struct tree_ssa_name): Removed aux field.
2517 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2519 2006-05-15 Richard Guenther <rguenther@suse.de>
2521 PR tree-optimization/27603
2522 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2523 Do computations in original type.
2525 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2527 * see.c: Code style changes such as redundant paranthesis,
2528 redundant intialization of local variables etc.
2529 (see_main): Declared now as static.
2530 * doc/invoke.texi: Update that -fsee is not enabled by
2533 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2535 * omp-low.c (check_omp_nesting_restrictions): New function.
2536 (scan_omp_1): Call it.
2539 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2540 construct, return *VAR.
2542 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2544 PR rtl-optimization/27406
2545 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2548 2006-05-14 Roger Sayle <roger@eyesopen.com>
2550 PR rtl-optimization/27538
2551 * combine.c (expand_compound_operation): Call gen_lowpart
2552 before calling simplify_shift_const.
2554 2006-05-14 Roger Sayle <roger@eyesopen.com>
2556 PR rtl-optimization/22563
2557 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2558 a fixed width bitfield, always force the intermediates into psuedos.
2560 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2563 * mkconfig.sh: Use operator = instead of == for test.
2565 2006-05-13 Nick Clifton <nickc@redhat.com>
2567 * dwarf2out.c (dbx_reg_number): Check return value from
2568 LEAF_REG_REMAP and only use it if it is valid.
2569 (multiple_reg_loc_descriptor): Likewise.
2571 2006-05-13 Richard Guenther <rguenther@suse.de>
2573 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2576 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2578 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2579 information attached to non-INSNs such as NOTEs.
2580 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2582 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2584 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2586 * config/s390/s390.md: Adjust comment describing On constraint.
2588 2006-05-11 Jan Hubicka <jh@suse.cz>
2590 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2591 to be output at -O0.
2593 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2596 * fold-const.c (size_binop): Move sanity check for arguments to
2597 the beginning of the function.
2600 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2603 2006-05-11 Richard Guenther <rguenther@suse.de>
2606 * fold-const.c (fold_unary): Handle intermediate conversion
2607 to a pointer type like intermediate conversion to an integer
2608 type in folding of (T1)(T2)var to var.
2609 Match the code to the comment in the final conversion for
2610 (T1)(T2)var to (T1)var regarding to type precision. Rather
2611 than disallow T1 being of pointer type, assert that both T1
2612 and var are of pointer type or not. Make sure not to fall
2613 over the frontends lazyness wrt array to pointer decay though.
2615 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2617 * arm.c (arm_struct_value_rtx): Delete.
2618 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2619 (arm_init_cumulative_args): Always initialize nregs to zero.
2621 2006-05-10 Richard Guenther <rguenther@suse.de>
2623 PR tree-optimization/27532
2624 * tree-object-size.c (plus_expr_object_size): Fix typo.
2626 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2629 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2630 ashrdi_const, ashrdi3): Use a scratch register.
2632 2006-05-10 Richard Guenther <rguenther@suse.de>
2634 PR tree-optimization/27302
2635 * fold-const.c (operand_equal_p): For two comparisons,
2636 try comparison of one comparison code swapped if that yields
2639 2006-05-10 Ben Elliston <bje@au.ibm.com>
2641 * tree-pretty-print.c (pretty_print_string): No need to handle
2642 '\0' as a special character.
2644 * tree.h: Include "hashtab.h".
2645 (iterative_hash_expr): Use hashval_t in its prototype.
2646 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2648 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2651 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2652 (hppa*64*-*-hpux11*): Ditto.
2653 (hppa[12]*-*-hpux11*): Ditto.
2655 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2658 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2660 2006-05-09 Michael Matz <matz@suse.de>
2662 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2663 host_extra_gcc_objs and host_xmake_file.
2664 (<*-*-linux*>): Don't overwrite host_xmake_file.
2665 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2666 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2667 (host_detect_local_cpu): Declare.
2668 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2669 * config/i386/i386.c (override_options): Handle -mtune=native
2671 * config/i386/x-i386: New file.
2672 * config/i386/driver-i386.c: New file.
2673 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2676 2006-05-09 Dirk Mueller <dmueller@suse.de>
2677 Richard Guenther <rguenther@suse.de>
2680 * fold-const.c (fold_read_from_constant_string): Relax check
2681 for matching types to matching modes.
2683 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2685 PR rtl-optimization/27335
2686 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2689 2006-05-08 Chao-ying Fu <fu@mips.com>
2690 Richard Sandiford <richard@codesourcery.com>
2692 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2693 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2694 * config/mips/mips.md (UNSPEC_SCC): New constant.
2695 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2696 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2697 (mips_emit_compare): Use it.
2698 (mips_expand_vcondv2sf): New function.
2700 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2702 Fix PR tree-optimization/27093
2703 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2704 renaming when they become not-used_alone.
2706 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2708 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2709 relocation and relocation stubs.
2711 2006-05-08 Eric Christopher <echristo@apple.com>
2713 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2716 2006-05-08 Jan Hubicka <jh@suse.cz>
2719 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2720 unused static functions are needed.
2722 2006-05-08 Roger Sayle <roger@eyesopen.com>
2725 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2726 of a reg_equiv_constant if the result is a legitimate constant.
2728 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2731 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2732 standard 80387 constants, raise the cost to prevent
2733 compress_float_constant() to generate load from memory.
2735 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2737 * config/arm/constraints.md (c): Fix a typo.
2739 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2742 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2745 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2747 (_mm_mwait): Likewise.
2749 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2751 (sse3_monitor): Make it 32bit only.
2752 (sse3_monitor64): New. 64bit monitor.
2754 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2757 * config/i386/i386.c (classify_argument): Skip fields with invalid
2760 2006-05-07 Richard Guenther <rguenther@suse.de>
2762 PR tree-optimization/27409
2763 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2764 Do not try to find zero-sized subvars.
2766 2006-05-07 Richard Guenther <rguenther@suse.de>
2768 PR tree-optimization/27136
2769 * tree-ssa-loop-niter.c (get_val_for): Correct function
2770 comment, assert requirements.
2771 (loop_niter_by_eval): Stop processing if the iterated
2772 value did not simplify.
2774 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2776 * opts.c (flag_see): remove its setting at -O3.
2778 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2780 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2781 * arm/constraints.md: New file.
2782 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2783 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2784 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2785 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2786 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2787 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2788 * arm.md: Include constraints.md.
2789 (thumb_movsi_insn): Use satisfies_constraint_J.
2790 (movhi, movqi): Use satisfies_constraint_I.
2792 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2794 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2795 for atmeg a645 device.
2797 2006-05-06 Richard Guenther <rguenther@suse.de>
2799 PR tree-optimization/27151
2800 * tree-vect-transform.c (vectorizable_condition): Punt on
2801 values that have a different type than the condition.
2803 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2806 * c-parser.c (c_parser_cast_expression): Only insert casts into
2807 hash table if pointer.
2808 * function.c (used_types_insert_helper): Rename from
2810 (used_types_insert): Call used_types_insert_helper.
2811 * function.h (used_types_insert): Accept only one argument.
2813 2006-05-05 David Edelsohn <edesohn@gnu.org>
2815 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2816 scratch with output modifier.
2818 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2821 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2822 with output modifier.
2824 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2827 * config/mips/mips.c (mips_symbolic_address_p): Return true
2828 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2829 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2831 2006-05-04 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/14287
2834 PR tree-optimization/14844
2835 PR tree-optimization/19792
2836 PR tree-optimization/21608
2837 PR tree-optimization/27090
2838 * tree-ssa-pre.c (try_combine_conversion): New function.
2839 (compute_avail): After constructing the value-handle
2840 expression, use try_combine_conversion to combine NOP_EXPRs
2841 with previous value-handle expressions and use the result if it
2844 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2846 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2848 2006-05-04 Jan Hubicka <jh@suse.cz>
2851 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2853 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2855 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2856 that this only matches CONST_INTs. All users changed to VOIDmode
2859 * config/bfin/bfin.c: Include "optabs.h".
2860 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2862 (enum bfin_builtins): Add a number of fractional and vector builtins.
2863 (bfin_init_builtins): Likewise.
2864 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2865 (safe_vector_operand, bfin_expand_binop_builtin,
2866 bfin_expand_unop_builtin): New functions.
2867 (bfin_expand_builtin): Handle the new builtins.
2868 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2871 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2874 * Makefile.in (OBJS-common): Add see.o.
2875 (see.o): Add dependencies.
2876 * common.opt (fsee): New flag for the see optimization was added.
2877 * opts.c (flag_see): Initialized.
2878 * passes.c (init_optimization_passes, pass_see): New pass.
2879 * rtl.h (see_main): Declaration as extern.
2880 * timevar.def (TV_SEE): New.
2881 * tree-pass.h (pass_see): Declaration as extern.
2882 * invoke.texi (-fsee): Document.
2883 * recog.c (validate_simplify_insn): New function.
2884 * recog.h (validate_simplify_insn): Declaration as extern.
2885 * df-problems.c (df_chain_dump): Check for NULL.
2887 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2888 Daniel Berlin <dberlin@dberlin.org>
2890 * cfgrtl.c (insert_insn_bb_end_new): New function.
2891 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2893 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2895 * df.h (struct web_entry): Moved from web.c.
2896 (union_defs): Declaration as extern.
2897 (unionfind_root): Likewise.
2898 (unionfind_union): Likewise.
2899 * web.c (struct web_entry): Moved to df.h.
2900 (unionfind_root): Remove static declaration.
2901 (unionfind_union): Likewise.
2902 (union_defs): Likewise and generalize to use callback function.
2903 (web_main): Update arguments for union_defs function call.
2905 2006-05-04 Richard Guenther <rguenther@suse.de>
2907 PR tree-optimization/26447
2908 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2909 produce SSA_NAME copies before the store stmt to avoid
2910 breaking exception handling.
2912 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2915 * gimplify.c (omp_is_private): If var is shared in some outer context,
2916 return false instead of true. Stop searching on parallel context
2919 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2922 * coverage.c: Use get_gcov_unsigned_t() instead of
2923 unsigned_type_node all over.
2925 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2927 PR tree-optimization/27381
2928 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2929 maintain the same immediate_use links.
2930 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2931 node rather than segfaulting.
2933 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2936 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2937 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2938 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2940 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2942 Fix PR tree-optimization/26626
2943 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2945 * tree-ssa-operands.c (access_can_touch_variable): Allow
2946 typecasting through union pointers.
2948 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2951 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2952 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2953 to find if var will be a global variable even in the nested context.
2954 (omp_copy_decl): Only check for global variable at the end, it might
2955 be overridden in outer contexts.
2956 (scan_sharing_clauses): For global variables don't create a field.
2957 (lower_rec_input_clauses): Do nothing for global shared variables.
2958 Emit a barrier at the end of ILIST if there were any decls in both
2959 firstprivate and lastprivate clauses.
2960 (lower_send_clauses): Do nothing for global variables except for
2963 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2965 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2966 of the correct signedness is returned.
2968 2006-05-02 Jeff Law <law@redhat.com>
2970 PR tree-optimization/27364
2971 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2972 multiply expressions.
2974 2006-05-02 Tom Tromey <tromey@redhat.com>
2976 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2978 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2981 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2982 -mthumb -fPIC are used.
2984 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2985 Joshua Kinard <kumba@gentoo.org>
2988 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2989 with 64-bit pointers.
2991 2006-05-02 Paul Brook <paul@codesourcery.com>
2993 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2995 (create_fix_barrier): Check that a suitable barrier location is
2997 (arm_reorg): Include ftmp->address in allowable range of addresses.
2999 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3002 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3005 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3008 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3009 around RESULT_DECL for result passed by reference.
3010 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3011 * omp-low.c (use_pointer_for_field): Don't look at
3012 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3013 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3014 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3015 time or var for passing by reference for
3016 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3017 TREE_ADDRESSABLE variables when passing by reference.
3019 * omp-low.c (dump_omp_region): Fix output formatting.
3022 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3023 (expand_omp_parallel): Likewise.
3024 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3027 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3028 on statement list containing also constructors and destructors.
3029 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3032 * except.c (duplicate_eh_regions): Fix clearing of
3033 cfun->eh->region_array entries.
3035 2006-05-01 DJ Delorie <dj@redhat.com>
3037 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3039 (gcc_cv_objdump): Likewise.
3040 * configure: Regenerated.
3042 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3045 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3046 templates for case 3 and 4.
3048 2006-05-01 DJ Delorie <dj@redhat.com>
3050 * vec.c: Include bconfig.h when appropriate.
3051 * Makefile.in (build/vec.o): Adjust dependencies.
3052 * mkconfig.sh: Make sure config.h isn't used for build machine
3055 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3057 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3059 (mark_phi_for_rewrite): New function.
3060 (insert_phi_nodes_for, mark_use_interesting): Call
3061 mark_phi_for_rewrite.
3062 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3063 (update_ssa): Initialize and free phis_to_rewrite.
3065 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3067 PR rtl-optimization/27291
3068 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3069 folded to a constant.
3071 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3073 PR tree-optimization/27283
3074 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3075 not whole # of iteration descriptions.
3076 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3077 uses abnormal ssa name.
3078 (niter_for_single_dom_exit): Ditto.
3079 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3080 return just the number of iterations.
3082 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3084 PR tree-optimization/27144
3085 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3086 (record_estimate): Only record constant upper bound.
3087 (infer_loop_bounds_from_undefined): Call
3088 compute_estimated_nb_iterations just once.
3089 (proved_non_wrapping_p): Renamed to ...
3090 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3091 (convert_step_widening, scev_probably_wraps_p): Call
3092 n_of_executions_at_most instead of proved_non_wrapping_p.
3093 (substitute_in_loop_info): Do not replace values in bounds.
3094 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3097 2006-05-01 Richard Henderson <rth@redhat.com>
3100 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3101 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3104 2006-05-01 Roger Sayle <roger@eyesopen.com>
3106 * c-typeck.c (parser_build_binary_op): Don't call the function
3107 unsigned_conversion_warning to spot operand/result type overflow.
3108 (build_binary_op): Instead, call convert_and_check instead of
3109 convert to report the problem when the operands are promoted.
3110 * c-common.c (unsigned_conversion_warning): Make static.
3111 * c-common.h (unsigned_conversion_warning): Delete prototype.
3113 2006-05-01 Richard Guenther <rguenther@suse.de>
3115 PR tree-optimization/26726
3116 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3118 (find_interesting_uses_address): ... we work around here
3119 by folding INDIRECT_REFs in the substituted base.
3121 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3123 * omp-low.c (dump_omp_region): Add newlines.
3125 2006-04-30 Roger Sayle <roger@eyesopen.com>
3127 * common.opt (Woverflow): New command line option.
3128 * c-common.c (constant_expression_warning): Check warn_overflow.
3129 (overflow_waring): Pass OPT_Woverflow to warning.
3130 (unsigned_conversion_warning): Likewise.
3131 (convert_and_check): Likewise.
3132 * doc/invoke.texi: Document new command line option.
3134 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3136 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3137 TARGET_NO_FP_IN_TOC for section anchors.
3138 (optimization_options): Enable section anchors for all
3139 non-"Objective" languages.
3141 2006-04-28 Eric Christopher <echristo@apple.com>
3143 * config/darwin-c.c (darwin_ms_struct): Move this
3144 (darwin_set_default_type_attributes): and this...
3145 * config/darwin.c: ... here.
3146 * config/darwin.h (darwin_ms_struct): Declare.
3148 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3150 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3152 2006-04-28 Roger Sayle <roger@eyesopen.com>
3155 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3156 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3157 an unsigned HOST_WIDE_INT.
3158 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3160 (really_start_incremental_init): No need to call convert because
3161 bitsize_zero_node is already of type bitsizetype.
3162 (push_init_level): Extract the value of constructor_index as an
3163 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3164 (process_init_element): Likewise.
3166 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3168 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3169 value before passing to make_relative_prefix.
3171 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3174 * builtins.c (expand_builtin_memset): Expand val in original mode.
3176 2006-04-27 Eric Christopher <echristo@apple.com>
3178 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3179 with #ifndef/#endif.
3180 * config/darwin-c.c (darwin_ms_struct): New.
3181 (darwin_pragma_ms_struct): Ditto.
3182 (darwin_set_default_type_attributes): Ditto.
3183 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3184 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3185 Register ms_struct pragma.
3186 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3187 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3188 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3189 darwin_set_default_type_attributes if TARGET_MACHO.
3191 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3193 PR tree-optimization/26854
3194 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3195 * doc/tree-ssa.texi: Update immuse iterator documentation.
3196 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3197 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3198 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3199 first_safe_imm_use, next_safe_imm_use): Remove.
3200 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3201 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3202 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3203 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3204 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3205 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3206 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3207 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3208 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3209 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3210 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3211 (perfect_nestify): Use new iterator.
3212 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3214 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3215 (next_imm_name): New field in struct immediate_use_iterator_d.
3216 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3217 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3218 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3219 * tree-cfg.c (replace_uses_by): Use new iterator.
3220 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3221 * tree-ssa-operands.c (correct_use_link): Remove.
3222 (finalize_ssa_use_ops): No longer call correct_use_link.
3224 2006-04-27 Stuart Hastings <stuart@apple.com>
3226 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3227 * config/t-darwin (crt3.o): Use it.
3228 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3229 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3230 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3231 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3232 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3235 2006-04-27 Roger Sayle <roger@eyesopen.com>
3237 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3238 size, force the intermediate into a new pseudo rather instead of
3239 performing both a bitwise AND and a bitwise IOR in memory.
3241 2006-04-27 Richard Guenther <rguenther@suse.de>
3243 PR rtl-optimization/26685
3244 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3245 this one "max-flow-memory-locations".
3247 2006-04-27 Richard Guenther <rguenther@suse.de>
3249 PR tree-optimization/25148
3250 * tree-vrp.c (compare_values): Remove code dealing with
3251 comparisons against type min/max value. Honour overflow
3252 and negative constants in code dealing with comparisons
3253 of plus and minus expressions.
3254 (value_inside_range): Use fold_binary with LE_EXPR and
3255 GE_EXPR rather than compare_values.
3257 2006-04-27 Dirk Mueller <dmueller@suse.de>
3259 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3262 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3264 * basic-block.h (safe_insert_insn_on_edge): Removed.
3265 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3267 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3268 Paolo Bonzini <bonzini@gnu.org>
3271 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3272 (simplify_and_const_int): Same.
3274 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3276 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3278 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3281 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3282 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3283 cgraph_global_info_ready.
3286 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3289 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3290 either decl or init is error_mark_node.
3293 * tree-flow.h (struct omp_region): Add sched_kind.
3294 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3295 instead of extracting omp for data.
3296 (expand_omp_for): Save extracted sched_kind.
3298 2006-04-25 Roger Sayle <roger@eyesopen.com>
3300 * expmed.c (store_bit_field): Also check whether the bitsize is
3301 valid for the machine's "insv" instruction before moving the
3302 target into a pseudo for use with the insv.
3303 * config/i386/predicates.md (const8_operand): New predicate.
3304 * config/i386/i386.md (extv, extzv, insv): Use the new
3305 const8_operand predicate where appropriate.
3307 2006-04-25 DJ Delorie <dj@redhat.com>
3309 * doc/install.texi (Specific): Clarify that this is not a list of
3310 supported hosts or targets.
3312 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3314 PR rtl-optimization/26725
3315 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3316 block's BB_DIRTY flag.
3318 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3320 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3323 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3324 to print an integer.
3326 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3328 * varasm.c (align_variable): New function.
3329 (get_block_for_decl): Apply align_variable to DECL before
3330 calculating section information.
3331 (assemble_variable): Split out alignment computation.
3333 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3335 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3338 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3340 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3341 MODE_PARTIAL_INT mode.
3342 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3343 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3345 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3346 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3348 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3350 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3352 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3353 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3354 MACFLAG_IH): Likewise.
3355 (movstricthi_1): Renamed from "*movstricthi".
3356 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3357 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3358 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3359 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3360 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3361 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3362 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3363 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3364 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3365 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3366 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3367 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3368 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3369 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3370 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3372 * doc/rtl.texi (ss_ashift): Improve wording.
3374 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3376 * dwarf2out.c (verify_marks_clear): New.
3377 (prune_unused_types): Call verify_marks_clear initially, not
3380 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3382 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3383 * doc/rtl.texi: Document them.
3384 * simplify-rtx.c (simplify_unary_operation,
3385 simplify_binary_operation_1): Don't abort when we see them.
3387 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3390 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3391 * configure.ac: Completely disregard languages that are not
3393 * configure: Regenerated.
3395 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3396 Richard Guenther <rguenther@suse.de>
3398 PR tree-optimization/27236
3399 * tree-inline.c (copy_body_r): Make sure to copy
3400 TREE_THIS_VOLATILE flag.
3402 2006-04-24 Richard Guenther <rguenther@suse.de>
3405 * tree-complex.c (update_parameter_components): Don't handle
3406 unused parameters which have no default def.
3408 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3409 Richard Guenther <rguenther@suse.de>
3411 PR tree-optimization/27218
3412 * tree-inline.c (expand_call_inline): Strip useless type
3413 conversions for the return slot address.
3415 2006-04-24 Richard Guenther <rguenther@suse.de>
3417 * cfgloop.h (struct loops): Remove unused field array. Reorder
3419 (LOOP_PREFETCH): Remove.
3421 2006-04-24 Richard Guenther <rguenther@suse.de>
3423 PR tree-optimization/22525
3424 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3425 variable, adjust types of generated expressions.
3427 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3429 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3430 (tree-vect-patterns.o): Likewise.
3432 (cselib.o): Likewise.
3433 (loop-doloop.o): Likewise.
3434 (regclass.o): Likewise.
3435 (reload1.o): Likewise.
3436 (explow.o): Replace target.h with $(TARGET_H).
3437 (ipa-prop.o): Likewise.
3438 (ipa-cp.o): Likewise.
3439 (ipa-inline.o): Likewise.
3440 (reorg.o): Likewise.
3441 (reg-stack.o): Likewise.
3443 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3445 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3447 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3449 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3451 * configure.ac: Completely disregard languages that are not
3453 * configure: Regenerated.
3456 * c-common.h (c_build_bitfield_integer_type): Declare.
3457 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3458 * c-common.c (c_build_bitfield_integer_type): ... here.
3460 2006-04-23 Roger Sayle <roger@eyesopen.com>
3463 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3464 a SImode SUBREG of a floating point register after no_new_pseudos.
3466 2006-04-23 Roger Sayle <roger@eyesopen.com>
3468 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3469 identify potentially eliminable registers to additionally catch
3470 VIRTUAL_INCOMING_ARGS_REGNUM.
3471 (addsi3): Update the conditions on when to use addsi_small_int.
3473 2006-04-23 Roger Sayle <roger@eyesopen.com>
3476 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3477 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3478 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3480 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3482 * fold-const.c (range_predecessor): Use operand_equal_p
3483 as the predicate for equality.
3484 (range_successor): Likewise.
3486 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3489 * config/soft-fp/op-common.h: Fix a typo.
3491 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3494 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3495 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3497 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3499 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3501 * doc/tm.texi: Fix a typo.
3503 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3505 * dwarf2out.c (struct die_struct): Document that die_sib makes
3506 a circular linked list.
3507 (FOR_EACH_CHILD): New.
3508 (reverse_die_lists): Delete.
3509 (reverse_all_dies): Delete.
3510 (add_dwarf_attr): Correct documentation.
3511 (remove_child_with_prev): New.
3512 (remove_child_TAG): Update for change to die_struct, use
3513 remove_child_with_prev.
3514 (add_child_die): Update for change to die_struct.
3515 (splice_child_die): Use remove_child_with_prev and add_child_die.
3516 (print_die): Use FOR_EACH_CHILD.
3517 (die_checksum): Likewise.
3518 (assign_symbol_names): Likewise.
3519 (output_location_lists): Likewise.
3520 (build_abbrev_table): Likewise.
3521 (calc_die_sizes): Likewise.
3522 (mark_dies): Likewise.
3523 (unmark_dies): Likewise.
3524 (unmark_all_dies): Likewise.
3525 (output_die): Likewise.
3526 (prune_unused_types_mark): Likewise.
3527 (prune_unused_types_walk): Likewise.
3528 (same_die_p): Update for change to die_struct.
3529 (break_out_includes): Likewise.
3530 (prune_unused_types_prune): Likewise.
3531 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3532 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3534 (dwarf2out_finish): Don't call reverse_all_dies.
3536 2006-04-21 Eric Christopher <echristo@apple.com>
3538 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3539 in comments and function names.
3541 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3544 * c-typeck.c (digest_init): Robustify.
3546 * c-typeck.c (pop_init_level): Simplify.
3548 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3550 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3552 2006-04-21 Paul Brook <paul@codesourcery.com>
3554 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3555 hardware floating point.
3557 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3559 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3562 2006-04-21 Nick Clifton <nickc@redhat.com>
3564 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3567 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3570 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3571 C++ lang type in traceback table for Objective-C++.
3573 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3575 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3577 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3579 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3582 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3583 were errors. Remove check for erroneous objects.
3585 2006-04-20 Jeff Law <law@redhat.com>
3587 PR tree-optimization/26854
3588 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3589 checking for zero or one use.
3590 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3591 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3592 * tree-ssa-reassoc.c (negate_value): Similarly.
3593 (reassociate_bb): Similarly.
3595 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3597 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3598 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3599 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3601 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3603 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3604 fp regs if the last fp arg doesn't fit in regs.
3606 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3609 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3610 that the last insn has the REG_INC note.
3612 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3613 Nathan Sidwell <nathan@codesourcery.com>
3616 * stor-layout.c (update_alignment_for_field): Do not align
3618 (place_union_field): Place union field at the start of the union.
3619 (place_field): Move ERROR_MARK check later, and use the current
3620 allocation position to maintain monotonicity.
3622 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3624 * dominance.c: Include timevar.h.
3625 (calculate_dominance_info): Use TV_DOMINANCE.
3626 * timevar.def (TV_DOMINANCE): New timevar.
3627 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3629 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3631 PR rtl-optimization/14261
3632 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3633 move would be an INSV insn.
3634 (noce_process_if_block): Don't optimize if the destination is a
3635 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3637 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3639 * config/s390/s390.md: Add comments with the instructions emitted
3640 by an insn pattern if macros are used.
3642 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3644 PR rtl-optimization/26026
3645 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3646 is a known power of two shifted left a variable amount.
3648 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3650 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3651 to hash table twice when the debug_str section has SECTION_MERGE.
3653 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3655 * config/soft-fp: New directory. From glibc.
3656 * config/soft-fp/t-softfp: New.
3657 * config/soft-fp/README: New.
3658 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3659 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3660 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3661 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3662 * config.gcc: Use rs6000/t-fprules-fpbit or
3663 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3665 * config/rs6000/sfp-machine.h: New. Based on glibc.
3666 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3668 * config/rs6000/t-fprules: Remove fp-bit rules.
3669 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3670 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3671 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3672 (softfp_wrap_start, softfp_wrap_end): New.
3674 2006-04-18 DJ Delorie <dj@redhat.com>
3676 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3678 2006-04-18 Devang Patel <dpatel@apple.com>
3680 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3682 2006-04-18 Nick Clifton <nickc@redhat.com>
3684 * config/sh/t-symbian: Add rule to build sh-c.o
3685 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3686 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3687 (sh_symbian_encode_section_info): Likewise.
3689 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3691 * builtins.c (expand_builtin_strcmp): Cover label definition of
3692 do_libcall with HAVE_cmpstrnsi.
3694 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3696 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3698 * function.h (temp_slot_p): New.
3699 (function): Change the type of x_used_temp_slots to
3700 VEC(temp_slot_p,gc) *.
3702 2006-04-18 Nick Clifton <nickc@redhat.com>
3704 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3705 flag_strength_reduce.
3707 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3709 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3713 Partial revert of revision 112637
3714 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3715 Dale Johannesen <dalej@apple.com>
3718 * regclass.c (struct reg_pref): Update documentation.
3719 (regclass): Set prefclass to NO_REGS if memory is the best option.
3720 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3722 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3724 PR tree-optimization/26821
3725 * tree-ssa-math-opts.c (get_constant_one): New.
3726 (insert_reciprocals): Use it.
3728 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3730 * dwarf2out.c (free_AT): Delete.
3731 (remove_AT): Update string ref counts.
3732 (remove_child_TAG): Don't call free_die.
3734 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3735 or DW_TAG_GNU_EINCL.
3736 (prune_unused_types_walk_attribs): Reset string refcounts.
3737 (prune_unused_types_update_strings): New.
3738 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3739 call free_die. Do call prune_unused_types_update_strings.
3740 (prune_unused_types): Empty debug_str_hash.
3742 2006-04-17 Roger Sayle <roger@eyesopen.com>
3744 * expr.c (expand_assignment): Optimize away no-op moves where the
3745 source and destination are equal and have no side-effects.
3747 2006-04-17 Richard Guenther <rguenther@suse.de>
3750 * reload.c (push_reload): Guard calls to get_secondary_mem
3753 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3755 * alias.c (reg_base_value, old_reg_base_value): Change the
3756 type to VEC(rtx,gc) *.
3757 (REG_BASE_VALUE, find_base_value, record_set,
3758 init_alias_analysis): Use VEC instead of VARRAY.
3760 * alias.c (alias_sets): Change the type to
3761 VEC(alias_set_entry,gc) *.
3762 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3763 VEC instead of VARRAY.
3764 (last_alias_set): Remove.
3766 * cgraph.h (cgraph_edge_p): New.
3767 Update the prototype of cgraph_function_versioning.
3768 * cgraphunit.c (cgraph_copy_node_for_versioning,
3769 cgraph_function_versioning): Use VEC instead of VARRAY.
3770 * ipa-cp.c (ipcp_insert_stage): Likewise.
3772 2006-04-16 Roger Sayle <roger@eyesopen.com>
3775 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3776 "A op B" or "A op C", we may need to convert A to the type of B and C.
3778 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3780 * target.h (struct gcc_target): Add mode_rep_extended.
3781 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3782 (init_num_sign_bit_copies_in_rep): Initialize it using
3784 (truncate_to_mode): Use it.
3785 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3786 * targhooks.h (default_mode_rep_extended): Declare it.
3787 * targhooks.c (default_mode_rep_extended): Define it.
3788 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3789 default_mode_rep_extended.
3790 (TARGET_INITIALIZER): Include it.
3791 * doc/tm.texi (Misc): Document it.
3792 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3793 (mips_truncated_to_mode): New function.
3795 2006-04-16 Roger Sayle <roger@eyesopen.com>
3798 * expr.c (compress_float_constant): Copy the narrow constant into
3799 a new pseudo before extending it to its final width.
3801 2006-04-16 Roger Sayle <roger@eyesopen.com>
3802 Andrew Pinski <pinskia@gcc.gnu.org>
3803 Dale Johannesen <dalej@apple.com>
3806 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3807 special case code to implement V8HImode and V16QImode with SSE2.
3809 2006-04-15 Roger Sayle <roger@eyesopen.com>
3811 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3812 trees are constructed with a suitable tree type.
3814 2006-04-15 Roger Sayle <roger@eyesopen.com>
3816 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3817 (integer_onep): Likewise.
3818 (integer_all_onesp): Likewise.
3819 (integer_pow2p): Likewise.
3820 (integer_nonzerop): Likewise.
3821 (real_zerop): Likewise.
3822 (real_onep): Likewise.
3823 (real_twop): Likewise.
3824 (real_minus_onep): Likewise.
3825 (int_size_in_bytes): Likewise.
3826 (host_integerp): Likewise.
3828 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3830 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3831 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3832 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3834 * tree-ssa-structalias.h (alias_info): Remove num_references.
3836 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3838 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3839 (output_bvb patterns): Likewise.
3840 * pa.c (output_bb): Use 'bb' insn for long branch case.
3841 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3842 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3843 1. Correct length operand for alternatives 1 and 2.
3844 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3845 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3847 2006-04-14 Roger Sayle <roger@eyesopen.com>
3849 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3850 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3851 were accidentally reverted by r112959.
3853 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3856 * except.h (eh_region_outermost): New prototype.
3857 * except.c (eh_region_outermost): New function.
3858 * tree-cfg.c (find_outermost_region_in_block): Use it.
3860 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3862 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3864 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3865 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3866 (init_reload, reload): Use VEC instead of VARRAY.
3867 * reload.h: Update the prototype for
3868 reg_equiv_memory_loc_varray.
3870 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3871 Eric Botcazou <ebotcazou@libertysurf.fr>
3873 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3876 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3879 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3880 to expand fallback builtin function call.
3882 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3885 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3886 and emit libcall here in case the builtin fails.
3887 (expand_builtin_strcmp): Always emit the libcall here on failure.
3889 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3891 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3892 * flow.c (reg_n_info): Change the type to
3893 VEC(reg_info_p,heap) *.
3894 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3896 * regs.h (reg_info_p): New.
3897 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3898 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3899 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3902 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3904 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3906 * params.h (MAX_SCHED_READY_INSNS): New macro.
3907 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3908 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3909 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3910 the ready list for 1 cycle during the first scheduling pass.
3911 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3913 2006-04-13 Richard Henderson <rth@redhat.com>
3916 * gimple-low.c (lower_omp_directive): Remove dead code.
3917 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3918 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3919 * omp-low.c (struct omp_region): Move to tree-flow.h.
3920 (root_omp_region): Export.
3921 (omp_regions, lookup_omp_region): Remove.
3922 (determine_parallel_type): Update for struct omp_region changes.
3923 (dump_omp_region): Dump regions with block numbers.
3924 (new_omp_region): Take type and block instead of stmt; malloc
3926 (free_omp_region_1, free_omp_regions): New.
3927 (expand_parallel_call): Take entry_stmt as argument; update for
3928 changes to omp_region.
3929 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3930 (remove_exit_barriers): New.
3931 (expand_omp_parallel): Update for struct omp_region changes.
3932 (expand_omp_synch): Likewise.
3933 (expand_omp): Likewise.
3934 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3935 (expand_omp_for_static_chunk): Likewise.
3936 (expand_omp_for): Likewise.
3937 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3938 (expand_omp_sections): Similarly, with GOMP_sections_end.
3939 (expand_omp_single): New.
3940 (build_omp_regions_1): Update for OMP_CONTINUE.
3941 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3942 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3943 OMP_SECTIONS_SECTIONS.
3944 (lower_omp_single_simple): Don't emit barrier here.
3945 (lower_omp_single_copy): Likewise.
3946 (lower_omp_single): Fix bindings, and lower to straightline now.
3947 (lower_omp_master, lower_omp_ordered): Likewise.
3948 (lower_omp_critical): Likewise.
3949 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3950 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3951 omp edges, free it afterward.
3952 (make_omp_sections_edges): Remove.
3953 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3954 (move_stmt_r): Handle OMP_CONTINUE.
3955 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3956 statement pointers to basic blocks. Add type member.
3957 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3958 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3959 * tree-inline.c (estimate_num_insns_1): Likewise.
3960 * tree-pretty-print.c (dump_generic_node): Likewise.
3961 * tree-ssa-operands.c (get_expr_operands): Likewise.
3962 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3963 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3964 (OMP_CONTINUE): New.
3965 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3966 (OMP_SECTIONS_SECTIONS): Remove.
3967 (OMP_SECTION_LAST): New.
3968 (OMP_RETURN_NOWAIT): New.
3970 2006-04-13 Roger Sayle <roger@eyesopen.com>
3972 * fold-const.c (native_encode_vector, native_interpret_real):
3973 Correct obvious mistakes in the previous check-in.
3975 2006-04-13 Roger Sayle <roger@eyesopen.com>
3977 * fold-const.c (native_encode_expr): New function to encode
3978 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3979 or VECTOR_CST into a specified buffer.
3980 (native_encode_int): New function.
3981 (native_encode_real): New function.
3982 (native_encode_complex): New function.
3983 (native_encode_vector): New function.
3984 (native_interpret_expr): Inverse of native_encode_expr to convert
3985 a target representation into an INTEGER_CST, REAL_CST etc...
3986 (native_interpret_int): New function.
3987 (native_interpret_real): New function.
3988 (native_interpret_complex): New function.
3989 (native_interpret_vector): New function.
3990 (fold_view_convert_expr): New function to constant fold/evaluate
3991 a VIEW_CONVERT_EXPR of a suitable constant expression.
3992 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3993 Change call of build1 to fold_build1 when constructing a
3996 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3997 Ulrich Weigand <uweigand@de.ibm.com>
4000 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4003 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4006 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4007 optimize to lo_sum for DFmode if !TARGET_FPRS.
4009 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4011 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4012 delete_alias_info, compute_flow_sensitive_aliasing,
4013 group_aliases): Use VEC instead of VARRAY.
4014 * tree-ssa-structalias.c (update_alias_info): Likewise.
4015 * tree-ssa-structalias.h (alias_info): Change the type of
4016 processed_ptrs to VEC(tree,heap) *.
4018 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4021 * config/sh/lib1funcs.h: New file, broken out of:
4022 * config/sh/lib1funcs.asm.
4023 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4025 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4026 * config/sh/lib1funcs-Os-4-200.asm: New file.
4027 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4028 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4029 (EXTRA_MULTILIB_PARTS): Include it.
4030 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4031 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4032 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4033 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4036 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4038 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4039 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4040 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4042 * tree-ssa-live.h: Include vecprim.h.
4043 (tree_partition_associator_d): Change the type of
4044 first_partition to VEC(int,heap) *.
4045 (tpa_first_partition): Use VEC instead of VARRAY.
4047 * Makefile.in (GTFILES): Move functions.h after tree.h.
4048 * function.c (reset_block_changes, record_block_change,
4049 check_block_change, free_block_changes): Use VEC instead of
4051 * function.h (function): Change the type of
4052 ib_boundaries_block to VEC(tree,gc) *.
4053 * tree-inline.c (copy_cfg_body): Initialize
4054 ib_boundaries_block to NULL instead of (varray_type) 0.
4056 2006-04-12 Roger Sayle <roger@eyesopen.com>
4058 * expr.c (emit_group_store): Correct operand order in call to
4059 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4060 a SUBREG_BYTE of zero.
4062 2006-04-12 Richard Guenther <rguenther@suse.de>
4064 * profile.c (compute_branch_probabilities): Remove code
4065 encapsulated in !ir_type (), which are remanents of the
4066 removed RTL profiling code.
4067 * rtl-profile.c: Remove.
4069 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4071 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4072 magic NULL_RTX comment.
4073 (function_arg): Store entire fp arg to mem if any part should go
4075 (rs6000_arg_partial_bytes): Adjust for above change.
4077 2006-04-11 Roger Sayle <roger@eyesopen.com>
4079 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4080 if it hasn't been initialized by dwarf2out_init.
4082 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4084 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4085 symbolic constants in branch patterns.
4087 2006-04-11 Roger Sayle <roger@eyesopen.com>
4089 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4091 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4093 PR rtl-optimization/27073
4094 * gcse.c (try_replace_reg): Revert last change. Continue to search
4095 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4098 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4100 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4101 aggregate types other than record and union types.
4102 (function_arg): Likewise.
4103 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4105 (function_value): In 64-bit mode, return objects that require it
4108 2006-04-11 Roger Sayle <roger@eyesopen.com>
4110 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4112 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4114 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4116 2006-04-03 Jeff Law <law@redhat.com>
4119 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4120 alias information too.
4122 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4124 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4126 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4129 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4130 (premark_used_types_helper): New.
4131 (premark_used_types): New.
4132 (gen_subprogram_die): Call premark_used_types.
4133 (prune_unused_types_walk): Do not prune perennial dies.
4134 * function.c (used_types_insert): New.
4135 * function.h (struct function): Add used_types_hash field.
4136 (used_types_insert): Add prototype.
4137 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4138 * c-parser.c (c_parser_cast_expression): Save casted types in used
4141 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4144 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4145 rs6000_explicit_options.float_gprs.
4147 2006-04-10 Roger Sayle <roger@eyesopen.com>
4149 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4150 from ix86_expand_vector_init_low_nonzero. Take an additional
4151 one_var argument indicating which element is non-zero. Support
4152 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4153 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4154 with one_var instead of ix86_expand_vector_init_low_nonzero.
4156 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4158 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4159 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4160 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4161 build/genextract.o): Depend on vecprim.h.
4162 * cfglayout.c, df-problems.c, function.c, genextract.c,
4163 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4164 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4168 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4170 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4171 Declare VECs of this type.
4172 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4173 (remove_children): Delete.
4174 (add_dwarf_attr): Use VEC routines.
4175 (add_AT_flag): Update for changes to add_dwarf_attr.
4176 (add_AT_int): Likewise.
4177 (add_AT_unsigned): Likewise.
4178 (add_AT_long_long): Likewise.
4179 (add_AT_vec): Likewise.
4180 (add_AT_string): Likewise.
4181 (add_AT_die_ref): Likewise.
4182 (add_AT_fde_ref): Likewise.
4183 (add_AT_loc): Likewise.
4184 (add_AT_loc_list): Likewise.
4185 (add_AT_addr): Likewise.
4186 (add_AT_lbl_id): Likewise.
4187 (add_AT_lineptr): Likewise.
4188 (add_AT_macptr): Likewise.
4189 (add_AT_offset): Likewise.
4190 (add_AT_range_list): Likewise.
4191 (get_AT): Use VEC_iterate.
4192 (remove_AT): Use VEC_ordered_remove.
4193 (free_die): Fold remove_children into here; have it use VEC_iterate.
4194 (print_die): Use VEC_iterate on attrs.
4195 (reverse_die_lists): Don't reverse attr lists.
4196 (die_checksum): Use VEC_iterate on attrs.
4197 (same_die_p): Likewise.
4198 (output_location_lists): Likewise.
4199 (build_abbrev_table): Likewise.
4200 (size_of_die): Likewise.
4201 (unmark_all_dies): Likewise.
4202 (output_abbrev_section): Likewise.
4203 (output_die): Likewise.
4204 (prune_unused_types_walk_attribs): Likewise.
4206 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4208 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4210 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4213 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4215 2006-04-09 Roger Sayle <roger@eyesopen.com>
4217 * expr.c (store_constructor): Don't bother clearing target if
4218 we're about to assign a vector to it using vec_init_optab.
4220 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4222 * tree-ssa-alias.c (lhs_may_store_to): New function.
4223 (recalculate_used_alone): Handle LHS of calls.
4225 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4229 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4230 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4231 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4232 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4233 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4234 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4235 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4236 stubs. Add ".align 8" directives before all ".dword" directives.
4237 (GTHREAD_USE_WEAK): Revise comment.
4238 (TARGET_ATTRIBUTE_WEAK): Define.
4239 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4240 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4241 * stublib.c: New file.
4246 * pa.md (cbranch patterns): Revise arguments used in calls to
4247 output_cbranch, output_bb and output_bvd. Add long branch length
4249 (fbranch patterns): Handle long branches.
4250 (jump): Revise length check. Revise arguments for output_lbranch call.
4251 Add long branch length attributes.
4252 (decrement_and_branch_until_zero): Add long branch length attributes.
4253 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4254 Likewise. Revise arguments for output_parallel_addb and
4255 output_parallel_movb calls.
4256 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4257 output_parallel_movb and output_parallel_addb): Update prototypes.
4258 * pa.c (output_cbranch): Revise arguments. Correct handling of
4259 nullification in long branches.
4260 (output_lbranch): Add new argument to control extraction of delay
4262 (output_bb): Handle long branches.
4263 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4264 output_parallel_addb): Likewise.
4266 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4268 PR rtl-optimization/27073
4269 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4272 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4274 * tree.h (tree_memory_tag): Add old_used_alone.
4275 (SMT_OLD_USED_ALONE): New macro.
4276 * tree-ssa-alias.c (recalculate_used_alone): Stop
4277 marking things for renaming unnecessarily.
4279 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4281 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4282 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4283 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4284 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4285 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4286 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4287 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4288 spelling convensions.
4289 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4290 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4291 typos. Follow spelling conventions.
4293 2006-04-07 DJ Delorie <dj@redhat.com>
4295 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4296 passed on the stack.
4297 (m32c_init_cumulative_args): When a function returns a structure,
4298 always pass the pointer to that return area on the stack.
4299 (m32c_function_arg_advance): Don't increment the parameter number
4300 if we're processing the returned structure pointer.
4301 (pushm_info): Reverse order of registers.
4303 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4305 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4306 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4307 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4308 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4310 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4311 chrec_fold_multiply): Same.
4312 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4313 force_expr_to_var_cost): Same.
4314 * tree-mudflap.c (mf_xform_derefs_1): Same.
4315 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4317 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4319 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4320 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4323 2006-04-07 Jan Hubicka <jh@suse.cz>
4325 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4327 2006-04-07 Richard Guenther <rguenther@suse.de>
4329 PR tree-optimization/26135
4330 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4331 loads for store copy-prop.
4332 (copy_prop_visit_stmt): Likewise.
4334 2006-04-05 Robert Millan <robertmh@gnu.org>
4336 * config/i386/linux.h: Add a comment to mark macros that are
4337 being overriden in config/k*bsd-gnu.h.
4338 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4340 * config/knetbsd-gnu.h: Ditto.
4342 2006-04-06 Jan Hubicka <jh@suse.cz>
4346 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4349 2006-04-06 Mike Stump <mrs@apple.com>
4351 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4352 for HAVE_nonlocal_goto to be consistent.
4353 (expand_builtin_nonlocal_goto): Likewise.
4354 (expand_builtin_strcmp): Use #ifdef instead of #if
4355 for HAVE_cmpstrnsi to be consistent.
4357 2006-04-05 DJ Delorie <dj@redhat.com>
4359 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4362 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4364 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4365 got-relative addressing for anything but SImode.
4367 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4368 even if the calling function doesn't modify them.
4370 2006-04-05 Richard Guenther <rguenther@suse.de>
4372 PR tree-optimization/26919
4373 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4374 to cgraph_estimate_size_after_inlining.
4376 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4378 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4380 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4382 PR tree-optimization/26996
4383 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4384 VECTOR_TYPE variables.
4386 2006-04-05 Richard Guenther <rguenther@suse.de>
4388 PR tree-optimization/26763
4389 * fold-const.c (fold_comparison): Move folding of
4390 PTR + CST CMP PTR + CST ...
4391 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4393 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4395 * doc/install.texi (Prerequisites): Refine some wording on
4396 bootstrapping and ksh.
4397 Move the version numbers of DejaGnu here from the testing section
4398 and fix casing of names.
4399 Fix markup and clarify wording for autogen requirements.
4400 Refer to GCJ instead of just java.
4401 Refer to SVN instead of CVS.
4402 Describe diffutils as useful instead of necessary.
4403 (Downloading the source): Refer to SVN instead of CVS.
4404 Adjust a link to our web site accordingly.
4405 (Configuration): Fix casing of Bison.
4406 (Building): Refer to SVN instead of CVS.
4407 Fix a sentence on the use of Bison and remove duplicate (and
4408 incorrect) version number of Bison requirement.
4409 Remove one redundant list of packages needed for building.
4410 (Specific): Avoid reference to CVS.
4412 2006-04-04 Eric Christopher <echristo@apple.com>
4414 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4415 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4416 (rs6000_handle_struct_attribute): New.
4417 (rs6000_ms_bitfield_layout_p): Ditto.
4419 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4421 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4422 NULL for dso parameter to atexit_common.
4424 2006-04-04 Eric Christopher <echristo@apple.com>
4426 * config/i386/i386.c (machopic_output_stub): Output \t
4427 between instructions and operands.
4429 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4431 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4432 satisfies_constraint_[IL] to explicit tests on value.
4434 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4436 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4437 set_nb_iterations_in_loop): Use build_int_cst instead of
4439 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4440 build_int_cst instead of convert.
4442 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4444 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4445 new value 2 for incoming.
4446 * function.c (expand_function_start): Call struct_value_rtx
4448 * config/sparc/sparc.md: Comment updated_return.
4449 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4450 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4451 struct return if sparc_std_struct_return and incoming is 2.
4452 (print_operand): Do not adjust return if
4453 sparc_std_struct_return.
4455 2006-04-04 Roger Sayle <roger@eyesopen.com>
4457 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4458 convert in the middle-end.
4459 * expr.c (store_expr, store_constructor, get_inner_reference,
4460 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4462 * tree.c (build_range_type): Likewise.
4464 2006-04-04 Tom Tromey <tromey@redhat.com>
4466 * doc/install.texi (Prerequisites): Mention jar.
4468 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4470 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4473 2006-04-04 Matthias Klose <doko@debian.org>
4475 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4476 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4479 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4481 * doc/extend.texi (Function Attributes): Rewrite visibility
4482 attribute documentation.
4483 * doc/invoke.texi (C++ Dialect Options): Rewrite
4484 -fvisibility-inlines-hidden documentation to describe something
4485 entirely different, although in practise compatible.
4486 (Code Gen Options): Warn about system headers in -fvisibility=
4489 * doc/extend.texi (Other Builtins): Document that
4490 __builtin_nan is a compile-time constant only when its argument
4493 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4495 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4496 trying to remove TRUNCATE check if all bits outside the new mode
4497 are identical to the sign bit.
4499 2006-04-03 Jeff Law <law@redhat.com>
4501 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4502 and operand scanning in some common cases.
4504 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4505 Dale Johannesen <dalej@apple.com>
4508 * regclass.c (struct reg_pref): Update documentation.
4509 (regclass): Set prefclass to NO_REGS if memory is the best option.
4510 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4511 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4512 into account. For non-registers, equate an empty preferred
4513 reload class to a `!' in the constraint; move the if clause to
4514 do so after those that reject the insn.
4515 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4517 (find_dummy_reload): Likewise.
4518 * doc/tm.texi (Register Classes): Document what it means
4519 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4520 * config/i386/i386.c (ix86_preferred_reload_class): Force
4521 using SSE registers (and return NO_REGS for floating-point
4522 constants) if math is done with SSE.
4523 (ix86_preferred_output_reload_class): New.
4524 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4525 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4526 * config/i386/i386.md: Remove # register preferences.
4528 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4531 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4532 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4533 the type of nb_iter.
4534 (instantiate_parameters_1): Convert the operands before calling
4535 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4536 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4538 2006-04-02 Roger Sayle <roger@eyesopen.com>
4540 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4541 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4543 * dojump.c (do_jump): Likewise.
4544 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4545 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4546 gimplify_boolean_expr): Likewise.
4547 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4548 * varasm.c (array_size_for_constructor): Likewise.
4549 * tree-object-size.c (compute_object_offset): Likewise.
4551 2006-04-02 Roger Sayle <roger@eyesopen.com>
4554 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4555 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4557 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4559 PR tree-optimization/26939
4560 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4562 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4564 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4565 at_stmt. Convert the type of operands before calling
4566 build_polynomial_chrec.
4567 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4569 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4570 (instantiate_parameters_1): Convert the type of operands before calling
4571 build_polynomial_chrec.
4572 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4573 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4574 reset_evolution_in_loop): Insert asserts to check the types of the
4576 (chrec_type): Moved...
4577 (eq_evolutions_p): Use operand_equal_p.
4578 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4579 the types of the operands.
4580 (chrec_type): ...here.
4581 * tree-data-ref.c (create_data_ref): Convert the operands before
4582 calling chrec_replace_initial_condition.
4583 (same_access_functions, analyze_subscript_affine_affine,
4584 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4585 (compute_subscript_distance, analyze_ziv_subscript,
4586 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4587 analyze_miv_subscript): Convert the operands before calling
4588 chrec_fold_minus or chrec_fold_plus.
4590 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4592 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4593 the dependence_relations vector.
4594 (compute_data_dependences_for_loop): Adjust call to
4595 compute_all_dependences.
4597 2006-04-01 Roger Sayle <roger@eyesopen.com>
4598 Richard Henderson <rth@redhat.com>
4600 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4601 gimple_boolify on the condition before calling gimplify_expr.
4603 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4605 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4606 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4607 the frame size. Update to use the new macros.
4608 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4609 * config/xtensa/ieee754-df.S: Likewise.
4611 2006-03-31 Richard Henderson <rth@redhat.com>
4613 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4614 (make_edges): ... here. Control fallthru creation with a local
4615 variable. Do not play with fake edges.
4616 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4617 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4620 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4622 * dwarf2.h (DW64_CIE_ID): Define.
4623 * dwarf2out.c (DWARF_CIE_ID): Define.
4624 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4625 length header. Use DWARF_CIE_ID.
4626 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4627 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4629 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4631 * config/sh/linux-atomic.asm: New file.
4632 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4634 2006-03-31 DJ Delorie <dj@redhat.com>
4636 * config/m32c/cond.md: Set condition flags properly throughout.
4637 * config/m32c/minmax.md: Likewise.
4638 * config/m32c/prologue.md: Likewise.
4639 * config/m32c/bitops.md: Likewise.
4640 * config/m32c/muldiv.md: Likewise.
4641 * config/m32c/mov.md: Likewise.
4642 * config/m32c/addsub.md: Likewise.
4643 * config/m32c/m32c.md: Likewise.
4644 * config/m32c/jump.md: Likewise.
4645 * config/m32c/shift.md: Likewise.
4647 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4648 conditionally output the pattern for this.
4649 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4650 (m32c_compare_redundant): New.
4651 (m32c_output_compare): New.
4652 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4654 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4655 dest, not src. Allow other 4-byte modes.
4657 2006-03-30 Denis Chertykov <denisc@overta.ru>
4659 * doc/md.texi: Refer to avr/constraints.md instead of
4662 2006-03-30 Roger Sayle <roger@eyesopen.com>
4664 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4665 signed vs. unsigned comparison failures on some hosts.
4667 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4670 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4671 change to FLOAT_REGS.
4673 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4674 (rs6000_override_options): Use it.
4675 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4676 only for -mabi=spe/no-spe and -mabi=altivec.
4678 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4680 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4683 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4685 * Makefile.in: Rename docdir to gcc_docdir.
4687 2006-03-30 Roger Sayle <roger@eyesopen.com>
4690 * expr.c (emit_group_store): Optimize group stores into a pseudo
4691 register by using a paradoxical subreg to initialize the destination
4692 if the first or last member of the group specifies a "low part".
4694 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4697 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4698 * target.h (struct gcc_target.speculate_insn): Change type of the
4699 second parameter to 'int'.
4700 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4701 the second operand of the DEPS_LIST.
4702 (copy_DEPS_LIST_list): Update reference to the second operand of the
4704 * rtl.h (alloc_DEPS_LIST): Update signature.
4705 * sched-int.h (ds_t): Change typedef to 'int'.
4706 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4708 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4710 * haifa-sched.c (try_ready): Change condition to restore
4711 non-speculative pattern of the instruction.
4712 (process_insn_depend_be_in_spec): Code to keep probability of the
4713 speculative dependence non-decreasing.
4715 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4717 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4718 (single_move_for_movmem): ... this. Also change all uses.
4719 (bfin_expand_strmov): Renamed to...
4720 (bfin_expand_movmem): ... this. Also change all uses.
4721 * config/bfin/bfin.md (movstrsi): Renamed to...
4722 (movstrsi): ...this.
4724 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4726 PR tree-optimization/26830
4728 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4729 (copy_prop_visit_stmt): Remove write-only variable ann.
4730 (init_copy_prop): Check variable loop depth here. Do not simulate
4731 memory-tag and virtual operand PHIs except for store copy prop.
4733 2006-03-30 Richard Guenther <rguenther@suse.de>
4735 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4736 variants with double arguments.
4738 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4740 * genpreds.c (write_tm_constrs_h): Delete variable p.
4741 * genconditions.c (write_header): Add tm-constrs.h to included
4743 * genpeep.c (main): Add toplev.h to included headers.
4744 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4745 (build/genpeep.o): Add toplev.h dependency.
4746 * config/rs6000/constraints.md: Add "W" constraint.
4748 2006-03-29 Roger Sayle <roger@eyesopen.com>
4750 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4751 sizes by correctly testing whether the size fits a host integer.
4752 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4753 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4754 SImode range for the default sizetype and bitsizetype.
4756 2006-03-29 Roger Sayle <roger@eyesopen.com>
4758 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4759 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4760 quickly if the argument is already of the correct type.
4761 Call fold_build1 instead of build1. Tidy up blank lines.
4763 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4765 * genemit.c (main): Add tm-constrs.h to included headers.
4766 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4767 * genpeep.c (main): Add tm-constrs.h to included headers.
4768 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4769 (write_tm_constrs_h): this and write complete file.
4770 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4771 (write_insn_preds_c): Add tm-constrs.h to included headers.
4772 (gen_constrs): New variable.
4773 (parse_option): Parse "-c".
4774 (main): Invoke write_tm_constrs_h.
4775 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4776 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4777 (object_out_file): Add tm-constrs.h dependency.
4778 (insn-emit.o): Same.
4779 (insn-output.o): Same.
4780 (insn-peep.o): Same.
4781 (insn-preds.o): Same.
4782 (insn-recog.o): Same.
4783 (tm-constsr.h): New target.
4784 (s-constrs-h): New target.
4786 * config/rs6000/constraints.md: New file.
4787 * config/rs6000/rs6000.c: Include tm-constrs.h.
4788 (num_insn_constant_wide): Convert to satisfies_constraint.
4789 (rs6000_rtx_costs): Convert to satisfies_constraint.
4790 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4791 (CONST_OK_FOR_LETTER_P): Delete.
4792 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4793 (EXTRA_CONSTRAINT): Delete.
4794 (EXTRA_MEMORY_CONSTRAINT): Delete.
4795 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4796 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4797 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4798 satisfies_constraint.
4800 * config/i386/i386.c: Include tm-constrs.h.
4802 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4804 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4805 * tree-data-ref.c (find_data_references_in_loop,
4806 compute_data_dependences_for_loop): Use pointers to VEC.
4807 (analyze_all_data_dependences): Adjust calls.
4808 * tree-data-ref.h (find_data_references_in_loop,
4809 compute_data_dependences_for_loop): Adjust declarations.
4810 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4811 compute_data_dependences_for_loop.
4813 2006-03-29 Paul Brook <paul@codesourcery.com>
4815 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4818 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4820 PR tree-optimization/26859
4821 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4823 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4824 for the step after fold_convert.
4826 2006-03-29 Paul Brook <paul@codesourcery.com>
4828 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4829 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4831 2006-03-29 Paul Brook <paul@codesourcery.com>
4834 * targhooks.c (default_narrow_bitfield): New fuction.
4835 * targhooks.h (default_narrow_bitfield): add prototype.
4836 * target.h (gcc_target): Add narrow_volatile_bitfield.
4837 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4838 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4839 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4840 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4842 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4844 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4846 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4847 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4848 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4849 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4850 (s390_function_arg_float): Allow SDmode and DDmode values to be
4851 passed in floating point registers.
4852 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4853 check with SCALAR_FLOAT_MODE_P.
4854 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4856 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4858 PR tree-optimization/25985
4859 * tree-ssa-loop-niter.c (number_of_iterations_le,
4860 number_of_iterations_ne): Make comments more precise.
4861 (number_of_iterations_cond): Add only_exit argument. Use the
4862 fact that signed variables do not overflow only when only_exit
4864 (loop_only_exit_p): New.
4865 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4866 number_of_iterations_cond.
4868 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4870 PR tree-optimization/26643
4871 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4874 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4876 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4877 (divsi3_i4_int): Likewise.
4879 2006-03-28 Roger Sayle <roger@eyesopen.com>
4881 * expr.c (emit_group_store): Only create a new pseudo reg if the
4882 quantity it needs to hold isn't already a suitable pseudo.
4884 2006-03-28 Jeff Law <law@redhat.com>
4886 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4887 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4889 2006-03-28 Roger Sayle <roger@eyesopen.com>
4891 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4892 the equivalent ~X & Y, and the symmetry related transformations.
4893 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4894 ~X & Y, and symmetry related transforms.
4896 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4898 Revert my 2006-03-27 patches.
4900 2006-03-28 Roger Sayle <roger@eyesopen.com>
4902 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4903 ~(T1)X, when T1 and T2 are integer types of the same precision
4904 and (T2)X isn't an extension.
4906 2006-03-28 Jeff Law <law@redhat.com>
4908 PR tree-optimization/26796
4909 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4910 need EH edge cleanups rather than purging them immediately.
4911 (eliminate_degenerate_phis): Handle queued EH cleanups.
4913 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4915 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4918 2006-03-27 Roger Sayle <roger@eyesopen.com>
4921 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4922 cast BIT_NOT_EXPR operand to the correct type.
4924 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4926 * tree-loop-linear.c: Don't include varray.h.
4927 (gather_interchange_stats, try_interchange_loops,
4928 linear_transform_loops): Use VEC instead of VARRAY.
4929 * lambda-mat.c: Don't include varray.h.
4930 * tree-chrec.c: Same.
4931 * lambda-trans.c: Same.
4932 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4933 VEC instead of VARRAY.
4934 * tree-vectorizer.h: Idem.
4935 * tree-data-ref.c (dump_data_references,
4936 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4937 initialize_data_dependence_relation, finalize_ddr_dependent,
4938 compute_all_dependences, find_data_references_in_loop,
4939 compute_data_dependences_for_loop, analyze_all_data_dependences,
4940 free_dependence_relation, free_dependence_relations,
4941 free_data_refs): Idem.
4942 * tree-data-ref.h (data_reference_p, subscript_p): New.
4943 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4944 VEC instead of VARRAY.
4945 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4946 (find_data_references_in_loop, compute_data_dependences_for_loop,
4947 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4948 dump_data_dependence_relations, free_dependence_relations,
4949 free_data_refs): Adjust declaration.
4950 (lambda_transform_legal_p): Move declaration here...
4951 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4952 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4953 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4954 vect_analyze_data_refs): Use VEC instead of VARRAY.
4955 * lambda.h (lambda_transform_legal_p): ...from here.
4956 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4957 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4958 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4959 tree-chrec.o): Don't depend on VARRAY_H.
4961 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4963 * rtl.def (Copyright): Update date.
4964 (DEPS_LIST): Change type of the second operand to 'int'.
4965 * target.h (Copyright): Update date.
4966 (struct gcc_target.speculate_insn): Change type of the second parameter
4968 * lists.c (Copyright): Update date.
4969 (alloc_DEPS_LIST): Change signature. Update reference to the second
4970 operand of the DEPS_LIST.
4971 (copy_DEPS_LIST_list): Update reference to the second operand of the
4973 * rtl.h (Copyright): Update date.
4974 (alloc_DEPS_LIST): Update signature.
4975 * sched-int.h (Copyright): Update date.
4976 (ds_t): Change typedef to 'int'.
4977 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4979 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4981 * haifa-sched.c (Copyright): Update date.
4982 (try_ready): Change condition to restore non-speculative pattern
4984 (process_insn_depend_be_in_spec): Code to keep probability of the
4985 speculative dependence non-decreasing.
4987 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4989 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4990 shut up the compiler.
4992 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4994 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4995 to use lib prefix for target.
4996 ($(T)libic_invalidate_array_4-200.a): Likewise.
4997 ($(T)libic_invalidate_array_4a.a): Likewise.
4999 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5000 J"orn Rennecke <joern.rennecke@st.com>
5002 * superh.opt: New file.
5003 * sh.c (boardtype, osruntime): Remove.
5004 * superh.h (SUBTARGET_OPTIONS): Remove.
5005 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5007 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5008 arguments with ^ and/or [].
5010 * config.gcc (sh-*-*): Add quoting to account for quirk of
5012 Replace == with = in enable_incomplete_targets test.
5014 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5015 with MASK_LITTLE_ENDIAN.
5017 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5018 * config/sh/sh.opt: Added to some comments.
5019 * config/sh/superh.h: Removed some chaff.
5021 * config/sh/sh.opt: Add m4-[1234]00* options.
5022 * config/sh/sh.c (sh_handle_option): Likewise.
5023 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5024 (ic_invalidate_array_4-100.o): New rule.
5025 ($(T)libic_invalidate_array_4-100.a): Likewise.
5026 (ic_invalidate_array_4-200.o): Likewise.
5027 ($(T)libic_invalidate_array_4-200.a): Likewise.
5028 (ic_invalidate_array_4a.o): Likewise.
5029 ($(T)libic_invalidate_array_4a.a): Likewise.
5030 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5031 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5033 * config/sh/crt1.asm: Merged in profiling code.
5034 * config/sh/superh.h (STARTFILE_SPEC): Override.
5035 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5036 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5037 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5039 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5040 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5041 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5043 * sh.opt (mpretend-cmove): New option.
5044 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5045 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5046 (movsicc): Add TARGET_PRETEND_CMOVE code.
5048 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5050 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5051 s390_class_max_nregs): New function prototypes.
5052 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5053 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5054 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5055 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5057 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5059 * dwarf2out.c (add_location_or_const_value_attribute): Call
5060 tree_add_const_value_attribute if nothing else works.
5061 (reference_to_unused): New.
5062 (rtl_for_decl_init): Use reference_to_unused to decide whether
5063 to output an initializer.
5065 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5068 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5069 peephole removing spe frob_di_df_2.
5071 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5073 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5074 (subscript_dependence_tester_1): Declared.
5075 (print_dir_vectors, print_dist_vectors): New.
5076 (debug_data_dependence_relation): New.
5077 (dump_data_dependence_relation): Print more details.
5078 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5079 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5080 (save_dist_v, save_dir_v, add_outer_distances,
5081 build_classic_dist_vector_1): New.
5082 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5083 Don't test for lambda_vector_lexico_pos.
5084 (same_access_functions, add_multivariate_self_dist,
5085 add_other_self_distances, dir_from_dist): New.
5086 (build_classic_dir_vector): Replace implementation almost identical to
5087 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5089 (subscript_dependence_tester_1): New.
5090 (subscript_dependence_tester): Handle the lexicographically negative
5091 distance vectors by recomputing the dependence relation.
5092 (compute_affine_dependence): Remove parameter loop_nest_depth.
5093 (compute_self_dependence): Don't call compute_subscript_distance.
5094 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5095 Add a parameter for the loop_nest.
5096 (find_loop_nest_1, find_loop_nest): New.
5097 (compute_data_dependences_for_loop): Compute the loop nest, and give
5098 up if the nest is not well formed.
5099 * tree-data-ref.h (loop_p): New.
5100 (struct data_dependence_relation): Replace size_vect field with
5101 loop_nest, a vec of loops.
5102 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5103 (DDR_LOOP_NEST): New.
5104 (print_dir_vectors, print_dist_vectors,
5105 debug_data_dependence_relation): Declared.
5106 (index_in_loop_nest): New.
5107 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5108 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5111 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5113 * simplify-rtx.c (simplify_relational_operation): Call
5114 simplify_relational_operation_1 even if mode is VOIDmode.
5116 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5118 PR tree-optimization/26804
5119 * tree.h (DECL_CALL_CLOBBERED): New macro.
5120 (tree_decl_common): Add call_clobbered_flag.
5121 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5122 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5123 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5124 (mark_non_addressable): Ditto.
5125 * tree-ssa.c (verify_call_clobbered): New function.
5126 (verify_alias_info): Use it.
5127 * tree-pass.h (pass_reset_cc_flags): New prototype.
5128 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5129 (reset_cc_flags): New function.
5130 * passes.c (init_optimization_passes): Call reset_cc_flags after
5131 initializing referenced_vars.
5133 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5134 Roger Sayle <roger@eyesopen.com>
5137 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5138 to 1.0 for non-real operands. Implement A / A optimization for
5141 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5143 * config/i386/i386.c (size_cost): Correct the comment for
5144 cost of storing fp registers.
5145 (i386_cost): Likewise.
5146 (i486_cost): Likewise.
5147 (pentium_cost): Likewise.
5148 (pentiumpro_cost): Likewise.
5149 (k6_cost): Likewise.
5150 (athlon_cost): Likewise.
5151 (k8_cost): Likewise.
5152 (pentium4_cost): Likewise.
5153 (nocona_cost): Likewise.
5154 (generic64_cost): Likewise.
5155 (generic32_cost): Likewise.
5157 2006-03-24 Denis Chertykov <denisc@overta.ru>
5159 * config/avr/avr-protos.h (extra_constraint): Delete.
5160 (extra_constraint_Q): New declaration.
5161 * config/avr/constraints.md: New file.
5162 * config/avr/avr.md: Include it.
5163 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5164 (TMP_REGNO, ZERO_REGNO): Likewise.
5165 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5166 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5167 (extra_constraint): Delete.
5168 (extra_constraint_Q): Test for memory constraint 'Q'.
5169 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5170 (REG_CLASS_FROM_LETTER): Delete.
5171 (CONST_OK_FOR_LETTER_P): Delete.
5172 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5173 (EXTRA_CONSTRAINT): Delete.
5174 (TMP_REGNO): Delete.
5175 (ZERO_REGNO): Delete.
5177 2006-03-24 Jeff Law <law@redhat.com>
5179 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5180 directly. Call mark_new_vars_to_rename slightly earlier.
5182 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5184 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5186 (gen_compile_unit_die): Use new language types for Objective-C and
5188 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5189 DW_LANG_C_plus_plus.
5192 * config/t-darwin (crt3.o): Work around bug 26840.
5193 * config/darwin-crt3.c: Rewrite.
5194 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5196 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5198 * doc/invoke.texi: Document -femit-class-debug-always
5199 * common.opt: Add -femit-class-debug-always.
5201 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5203 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5204 index and base register.
5205 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5206 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5207 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5208 REGNO_OK_FOR_INDEX_P.
5209 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5211 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5212 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5213 REG_OK_FOR_BASE_P): Definitions removed.
5215 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5218 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5219 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5220 set yet or weren't marked as local yet.
5222 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5224 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5227 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5229 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5230 (rs6000_legitimate_small_data_p): Delete.
5231 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5232 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5233 and make static. Add forward declaration. Update uses.
5234 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5235 of offsettable_memref_p.
5236 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5237 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5239 2006-03-24 Jeff Law <law@redhat.com>
5241 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5242 around bug in immediate-use iterator.
5244 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5247 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5248 or __LITTLE_ENDIAN__.
5250 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5252 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5253 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5254 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5255 * config/sh/sh.opt (mdiv=): Amend description.
5256 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5257 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5258 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5259 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5260 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5261 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5262 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5263 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5264 TARGET_DIVIDE_CALL_FP.
5266 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5268 * haifa-sched.c (choose_ready): Fix type of the local variable.
5269 Move local variables. Add comment.
5270 (check_reg_live): Change signature. Make callable from debugger.
5271 * sched-int.h (check_reg_live): Update signature.
5272 * sched-ebb.c (check_reg_live): Update parameters.
5273 * sched-rgn.c (check_reg_live): Ditto.
5274 (region_head_or_leaf_p): Check pointer before dereferencing.
5275 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5276 before reload on optimization levels below 1.
5278 2006-03-23 Richard Henderson <rth@redhat.com>
5280 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5284 * config/alpha/predicates.md (local_symbolic_operand): Reject
5287 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5290 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5291 expressions which have overflowed constants.
5293 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5295 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5297 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5299 * cfgloopmanip.c (create_loop_notes): Removed.
5300 * final.c (final_scan_insn): Do not handle loop notes.
5301 * jump.c (squeeze_notes): Ditto.
5302 * cfglayout.c (skip_insns_after_block,
5303 duplicate_insn_chain): Ditto.
5304 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5306 * cfgloop.h (create_loop_notes): Declaration removed.
5308 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5310 * varasm.c (output_constant_pool): Restore fnname and fndecl
5312 (assemble_start_function): Adjust call accordingly.
5313 (assemble_end_function): Likewise.
5315 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5318 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5321 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5323 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5326 * system.h (ICE_EXIT_CODE): New macro.
5327 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5328 (diagnostic_action_after_output): Likewise.
5329 * gcc.c (fatal_ice): New function.
5330 (execute): Use it instead of fatal.
5331 (fancy_abort): Likewise.
5332 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5334 2006-03-22 Jeff Law <law@redhat.com>
5336 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5337 iv_analyze_result returning false.
5339 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5341 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5343 2006-03-22 Richard Henderson <rth@redhat.com>
5346 * except.c (duplicate_eh_regions_0): New.
5347 (duplicate_eh_region_1): Duplicate the children of the node as
5348 well as the node itself. Link them up properly.
5349 (duplicate_eh_region_2): Merge into ...
5350 (duplicate_eh_regions): ... here. Take copy_region argument, and
5351 copy only a sub-tree if asked. Simplify copying and fixup.
5352 (eh_region_outer_p): New.
5353 * except.h (duplicate_eh_regions): Update decl.
5354 (eh_region_outer_p): Declare.
5355 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5356 (lower_omp_master): Likewise.
5357 (lower_omp_ordered): Likewise.
5358 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5359 (move_stmt_r): Use it to remap labels. Handle recursion vs
5360 remap_decls_p properly.
5361 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5362 (find_outermost_region_in_block): New.
5363 (new_label_mapper): New.
5364 (move_sese_region_to_fn): Copy eh information to the new function
5366 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5368 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5371 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5373 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5374 into shared libraries.
5376 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5378 * doc/md.texi: Refer to i386/constraints.md instead of
5380 * config/i386/constraints.md: New file, extracted from...
5381 * config/i386/predicates.md: ...here.
5382 * config/i386/i386.md: Include constraints.md.
5384 2006-03-21 Jason Merrill <jason@redhat.com>
5386 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5389 * expr.c (init_block_move_fn): Force default visibility.
5390 (init_block_clear_fn): Likewise.
5391 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5392 * targhooks.c (default_external_stack_protect_fail): Likewise.
5394 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5396 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5397 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5398 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5399 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5400 (loadgp): Use mips_current_loadgp_style.
5401 (loadgp_noshared): New pattern.
5402 (sibcall_internal): Use MIPS_CALL.
5403 (sibcall_value_internal): Likewise.
5404 (sibcall_value_multiple_internal): Likewise.
5405 (call_internal): Likewise.
5406 (call_value_internal): Likewise.
5407 (call_value_multiple_internal): Likewise.
5408 (call_split): Use MIPS_CALL and add an 'S' constraint.
5409 (call_value_split): Likewise.
5410 (call_value_multiple_split): Likewise.
5411 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5412 (-mshared): New option.
5413 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5414 (mips_current_loadgp_style): Declare.
5415 * config/mips/mips.c (mips_classify_symbol): Avoid using
5416 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5417 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5418 TARGET_ABSOLUTE_ABICALLS.
5419 (override_options): Adjust comments. Improve the warning that is
5420 issued when -mabicalls and -G are used together.
5421 (mips_file_start): Remove comment.
5422 (mips_current_loadgp_style): New function.
5423 (mips_gnu_local_gp): New variable.
5424 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5426 (mips_output_function_prologue): Use mips_current_laodgp_style.
5427 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5428 the cprestore instruction.
5429 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5430 live for TARGET_ABSOLUTE_ABICALLS.
5431 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5432 (ASM_SPEC): Pass down -mshared and -mno-shared.
5433 (MIPS_CALL): New macro.
5434 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5436 * doc/invoke.texi (-mabicalls): Update documentation.
5437 (-mshared): Document.
5439 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5441 * config/ia64/unwind-hpux.c: New file.
5442 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5444 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5447 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5449 2006-03-21 Jeff Law <law@redhat.com>
5451 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5452 type conversions of a VR_VARYING source to a wider type.
5454 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5456 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5457 tm_file on Solaris 10 and later.
5458 (sparc64-*-solaris2*): Likewise.
5459 (sparc-*-solaris2*): Likewise.
5460 * config/sol26.h: Rename to config/sol2-6.h.
5461 * config/sol2-10.h: New file.
5463 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5466 * tree-ssa-pre.c (create_component_ref_by_pieces):
5469 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5472 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5473 return it immediately.
5475 2006-03-21 Michael Matz <matz@suse.de>
5477 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5479 (remove_arc, add_arc): Update num_out_arcs member.
5480 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5482 (cache_presence): New function.
5483 (compare_states_for_equiv): New function.
5484 (state_is_differed): Don't take number of outargs, adjust callers.
5485 Use new invariant for speeding up.
5486 (init_equiv_class): Create initial classes based on sorted
5488 (partition_equiv_class): Don't track out_arcs_num.
5489 (evaluate_equiv_classes): Call cache_presence on all states and
5492 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5494 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5495 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5496 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5497 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5499 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5500 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5501 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5502 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5503 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5505 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5506 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5507 (REGNO_REG_CLASS): ARGP is in PREGS.
5508 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5510 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5511 to deal with those addresses.
5512 * addresses.h: New file.
5513 * caller-save.c: Include "addresses.h".
5514 (init_caller_save): Use new base_reg_class function.
5515 * rtl-factoring.c: Include "addresses.h".
5516 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5517 * recog.c: Include "addresses.h".
5518 (preprocess_constraints): Use new base_reg_class function.
5519 * regrename.c: Include "addresses.h".
5520 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5521 functions. Keep track of a new var INDEX_CODE to compute valid
5523 (replace_oldest_value_addr): Likewise.
5524 (replace_oldest_value_mem): Use base_reg_class.
5525 * reload.c: Include "addresses.h".
5526 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5527 (find_reloads): Use new base_reg_class function.
5528 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5529 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5530 all callers and prototype changed.
5531 * reload1.c: Include "addresses.h".
5532 (maybe_fix_stack_asms): Use base_reg_class.
5533 * regclass.c: Include "addresses.h".
5534 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5535 (init_reg_autoinc): Use new base_reg_class function.
5536 (record_reg_classes): Likewise.
5537 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5538 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5539 Use new args to compute necessary class.
5541 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5542 regrename.o, rtl-factoring.o): Update dependencies.
5543 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5544 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5545 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5546 REG_OK_FOR_INDEX_P): Delete documentation.
5548 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5550 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5551 from V7 to V9 for Solaris 7 and above.
5553 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5555 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5556 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5557 argument pointers may not alias any other storage.
5558 * common.opt: Define option -fargument-noalias-anything.
5559 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5560 alias semantics is specified by flag_argument_noalias > 2.
5562 2006-03-20 Jeff Law <law@redhat.com>
5564 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5565 (pass_phi_only_cprop): Declare.
5566 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5568 * tree-ssa-dom.c (degenerate_phi_result): New function.
5569 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5570 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5571 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5572 (eliminate_degenerate_phis): Likewise.
5573 (pass_phi_only_cprop): New pass descriptor.
5574 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5575 support code. Callers updated.
5576 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5577 (store_copy_prop): Likewise.
5578 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5580 2006-03-20 Jason Merrill <jason@redhat.com>
5583 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5584 (push_visibility, pop_visibility): Likewise.
5585 * c-pragma.h: Declare them.
5587 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5589 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5591 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5592 parameter and use get_ebb_head_tail.
5593 (sh_md_init_global): Adjust uses of find_regmode_weight.
5595 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5597 * function.h (struct function) <x_tail_recursion_reentry>:
5598 Rename to x_stack_check_probe_note.
5599 (tail_recursion_reentry): Rename to stack_check_probe_note.
5600 * function.c: Replace tail_recursion_reentry with
5601 stack_check_probe_note everywhere.
5602 (expand_function_start): Only emit a note for
5603 stack_check_probe_note with -fstack-protect.
5604 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5606 * emit-rtl.c (remove_unnecessary_notes): Remove.
5607 (pass_remove_unnecessary_notes): Remove.
5608 * rtl.h (remove_unnecessary_notes): Remove prototype.
5609 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5610 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5611 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5613 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5616 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5617 (valid_in_set): Handle ARRAY_REF.
5618 Change "if min_variant or VH" to asserts.
5619 (create_component_ref_by_pieces): Handle ARRAY_REF.
5620 (create_expression_by_pieces): Likewise.
5621 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5623 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5625 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5626 is operand of switch, not str[0].
5628 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5630 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5631 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5633 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5635 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5636 end of insn_extra_address_constraint declaration.
5638 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5640 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5641 (no-sum-in-toc): Same.
5642 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5644 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5645 NO_FP_IN_TOC for -fPIC instead of mask.
5647 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5648 (BOOT_LDFLAGS): Delete.
5650 * config/rs6000/t-aix52: Same.
5652 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5653 (stmsi[345678]_power): New.
5655 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5657 * config/ia64/ia64.opt: Add empty line to end of file.
5659 2006-03-17 Richard Guenther <rguenther@suse.de>
5662 * builtins.c (get_pointer_alignment): For component style references
5663 adjust alignment to the component type alignment. Make sure
5664 to adjust alignment for component access of constants.
5666 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5668 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5671 2006-03-17 Paul Brook <paul@codesourcery.com>
5673 * doc/install.texi: Docuemnt --with-mode.
5674 * config.gcc: Add --with-mode for arm*-*-*.
5675 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5677 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5679 * sh.c (max_labelno_before_reorg): New variable.
5680 (sh_reorg): Initialize it.
5681 (find_barrier): Check max_labelno_before_reorg before using
5682 label_to_alignment. Take length of explicit alignment insns
5683 into account. When seeing a UNSPECV_CONST_END, return it.
5685 * sh.c (fixup_mova): Set mode of affected label to QImode.
5686 (untangle_mova): New function.
5687 (find_barrier): Use it. Check mode of label before decrementing
5689 (sh_reorg): Likewise.
5690 Set mode of all insns back to VOIDmode.
5692 * sh.c (MOVA_LABELREF): New macro.
5693 (mova_p, fixup_mova, sh_reorg): Use it.
5694 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5695 ADDR_DIFF_VEC matches mova.
5697 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5699 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5700 with ATTRIBUTE_UNUSED.
5702 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5704 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5705 pointer, instead of assuming it is possible to derive the
5706 correct args size from a call insn.
5708 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5710 * rtl.h (CONST_INT_P): Define.
5711 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5712 instead of GET_CODE(x) == CONST_INT.
5713 (vax_rtx_costs): Likewise.
5714 (vax_output_int_move): Likewise.
5715 (vax_output_int_add): Likewise.
5716 (legitimate_constant_address_p): Likewise.
5717 (index_term_p): Likewise.
5718 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5719 * config/vax/vax.md (and<mode>3): Likewise.
5720 (ashrsi3): Likewise.
5722 (movstricthi): Likewise.
5723 (movstrictqi): Likewise.
5724 (rotrsi3): Likewise.
5725 (five unnamed insns): Likewise.
5727 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5729 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5730 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5731 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5732 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5733 Pass to ASM_OUTPUT_DWARF_OFFSET.
5734 * dwarf2out.c (debug_frame_section): New.
5735 (output_call_frame_info): Use debug_frame_section. Pass it to
5736 dw2_asm_output_offset.
5737 (output_die): Pass appropriate section to dw2_asm_output_offset.
5738 (output_compilation_unit_header): Likewise.
5739 (output_pubnames): Likewise.
5740 (output_aranges): Likewise.
5741 (enum dw_val_class): Break dw_val_class_lbl_offset into
5742 dw_val_class_lineptr and dw_val_class_macptr.
5743 (add_AT_lbl_offset): Delete.
5744 (add_AT_lineptr): New.
5745 (add_AT_macptr): New.
5746 (AT_lbl): Expect a lineptr or macptr.
5747 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5748 (attr_checksum): Likewise.
5749 (same_dw_val_p): Likewise.
5750 (size_of_die): Likewise.
5751 (value_format): Likewise.
5752 (output_die): Likewise.
5753 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5755 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5756 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5757 * config/darwin-protos.h (darwin_file_start): New.
5758 (darwin_asm_output_dwarf_offset): New.
5759 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5760 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5762 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5763 if not EH section; simplify.
5764 (darwin_file_start): New.
5765 (darwin_asm_output_dwarf_offset): New.
5766 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5768 (DEBUG_INFO_SECTION): Likewise.
5769 (DEBUG_ABBREV_SECTION): Likewise.
5770 (DEBUG_ARANGES_SECTION): Likewise.
5771 (DEBUG_MACINFO_SECTION): Likewise.
5772 (DEBUG_LINE_SECTION): Likewise.
5773 (DEBUG_LOC_SECTION): Likewise.
5774 (DEBUG_PUBNAMES_SECTION): Likewise.
5775 (DEBUG_STR_SECTION): Likewise.
5776 (DEBUG_RANGES_SECTION): Likewise.
5777 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5778 (ASM_OUTPUT_DWARF_OFFSET): New.
5780 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5782 * config.gcc (tm_defines): Always add to previous value rather
5785 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5787 * config/mips/predicates.md (splittable_const_int_operand): New,
5788 split from move_operand.
5789 (splittable_symbolic_operand): New.
5790 (move_operand): Add commentary. Use splittable_const_int_operand.
5791 Inline mips_atomic_symbolic_constant_p.
5792 * config/mips/mips.md: Add combine splitters for handling moves
5793 of splittable_const_int_operands and splittable_symbolic_operands.
5794 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5795 (mips_split_symbol): Declare.
5796 (mips_move_integer): Declare.
5797 * config/mips/mips.c (mips_split_p): Make global.
5798 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5799 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5800 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5801 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5802 (mips_offset_within_object_p): Handle block symbols.
5803 (mips_atomic_symbolic_constant_p): Delete.
5804 (mips_cannot_force_const_mem): Return false for constants that
5805 mips_legitimize_move can handle.
5806 (mips_use_blocks_for_constant_p): New function.
5807 (mips_split_symbol): Make global.
5808 (mips_move_integer): Likewise. Add a temporary register argument.
5809 (mips_legitimize_const_move): Use splittable_const_int_operand and
5810 splittable_symbolic_operand.
5811 (mips_use_anchors_for_symbol_p): New function.
5812 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5813 (mips_split_p): Declare.
5815 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5817 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5818 (mips*-*-linux*): Likewise.
5820 2006-03-16 Roger Sayle <roger@eyesopen.com>
5821 Daniel Speyer <dspeyer@wam.umd.edu>
5824 * tree-dump.c (dump_real): New function.
5825 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5826 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5827 (tree-dump.o): Add $(REAL_H) to the dependencies.
5829 2006-03-16 Roger Sayle <roger@eyesopen.com>
5832 * real.c (real_from_string): If the mantissa is zero, don't bother
5833 parsing the exponent as the result should always be zero.
5835 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5837 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5839 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5841 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5842 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5843 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5844 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5845 ia64_sched_finish_global): New static functions to implement
5846 hooks from gcc_target.sched.
5847 (spec_check_no, max_uid, pending_data_specs): New static variables.
5848 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5849 ia64_spec_check_src_p): New static functions.
5850 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5851 (TARGET_SCHED_ADJUST_COST): Removed.
5852 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5853 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5854 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5855 TARGET_SCHED_GEN_CHECK,
5856 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5857 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5858 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5859 Fixed to handle speculation checks.
5860 (rtx_needs_barrier): Fixed to handle speculative loads and
5862 (ia64_variable_issue): Added code to count speculative loads and their
5864 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5866 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5868 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5870 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5871 (ia64_reorg): Reset stops_p to NULL after it is freed.
5872 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5873 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5874 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5876 (data_speculative, control_speculative, check_load): New attributes.
5877 (mov<mode>_advanced, mov<mode>_speculative,
5878 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5879 zero_extend<mode>di2_speculative,
5880 zero_extend<mode>di2_speculative_advanced): New patterns for
5881 data and control speculative loads.
5882 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5884 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5885 New pattern for data and control speculation checks.
5886 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5887 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5888 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5889 Auxiliary definitions for the patterns.
5890 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5891 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5893 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5895 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5896 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5897 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5898 New resource constraints.
5899 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5901 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5902 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5903 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5904 msched-in-control-spec, msched-ldc, msched-control-ldc,
5905 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5906 msched-prefer-non-control-spec-insns,
5907 msched-count-spec-in-critical-path): New flags to tune speculative
5909 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5910 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5911 msched-in-control-spec, msched-ldc, msched-control-ldc,
5912 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5913 msched-prefer-non-control-spec-insns,
5914 msched-count-spec-in-critical-path): Document new flags.
5916 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5918 * target.h (struct spec_info_def): New opaque declaration.
5919 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5920 speculate_insn, needs_block_p, gen_check,
5921 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5922 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5923 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5924 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5925 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5926 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5928 (TARGET_SCHED): Use new macros.
5929 * rtl.h (copy_DEPS_LIST_list): New prototype.
5930 * sched-int.h (struct sched_info): Change signature of new_ready field,
5931 adjust all initializations. New fields: add_remove_insn,
5932 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5933 region_head_or_leaf_p.
5934 (struct spec_info_def): New structure declaration.
5935 (spec_info_t): New typedef.
5936 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5937 recovery_block, orig_pat.
5938 (glat_start, glat_end): New variables declaraions.
5939 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5941 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5942 DETACH_LIFE_INFO, USE_GLAT.
5943 (enum SPEC_SCHED_FLAGS): New enumeration.
5944 (NOTE_NOTE_BB_P): New macro.
5945 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5946 attach_life_info, debug_spec_status, check_reg_live): New functions.
5947 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5948 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5950 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5951 * ddg.c (get_block_head_tail): Adjust all uses.
5952 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5953 (sms_sched_info): Initialize new fields.
5954 (contributes_to_priority): Removed.
5955 * haifa-sched.c (params.h): New include.
5956 (get_block_head_tail): Adjust all uses.
5957 (ISSUE_POINTS): New macro.
5958 (glat_start, glat_end): New global variables.
5959 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5960 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5961 old_last_basic_block, before_recovery, current_sched_info_var,
5962 rgn_n_insns, luid): New static variables.
5963 (insn_cost1): New function. Move logic from insn_cost to here.
5964 (find_insn_reg_weight1): New function. Move logic from
5965 find_insn_reg_weight to here.
5966 (reemit_notes, move_insn, max_issue): Change signature.
5967 (move_insn1): Removed.
5968 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5969 extend_bb): New static functions to support extension of scheduler's
5971 (generate_recovery_code, process_insn_depend_be_in_spec,
5972 begin_speculative_block, add_to_speculative_block,
5973 init_before_recovery, create_recovery_block, create_check_block_twin,
5974 fix_recovery_deps): New static functions to support
5975 generation of recovery code.
5976 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5977 restore_bb_notes, move_block_after_check, move_succs): New static
5978 functions to support ebb scheduling.
5979 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5980 functions to support handling of register live information.
5981 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5982 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5983 add_jump_dependencies): New static functions.
5984 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5985 consistancy checking.
5986 (debug_spec_status): New function to call from debugger.
5987 (priority): Added code to handle speculation checks.
5988 (rank_for_schedule): Added code to distinguish speculative instructions.
5989 (schedule_insn): Added code to handle speculation checks.
5990 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5991 Fixed to handle ebbs.
5992 (move_insn): Added code to handle ebb scheduling.
5993 (max_issue): Added code to use ISSUE_POINTS of instructions.
5994 (choose_ready): Added code to choose between speculative and
5995 non-speculative instructions.
5996 (schedule_block): Added code to handle ebb scheduling and scheduling of
5997 speculative instructions.
5998 (sched_init): Initialize new variables.
5999 (sched_finish): Free new variables. Print statistics.
6000 (try_ready): Added code to handle speculative instructions.
6001 * lists.c (copy_DEPS_LIST_list): New function.
6002 * sched-deps.c (extend_dependency_caches): New function. Move logic
6003 from create_dependency_caches to here.
6004 (get_dep_weak, ds_merge): Make global.
6005 * genattr.c (main): Code to output prototype for
6006 dfa_clear_single_insn_cache.
6007 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6008 (output_dfa_clean_insn_cache_func): Code to output
6009 dfa_clear_single_insn_cache function.
6010 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6012 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6014 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6015 New static variables.
6016 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6017 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6019 (ebb_sched_info): Initialize new fields.
6020 (get_block_head_tail): Adjust all uses.
6021 (compute_jump_reg_dependencies): Fixed to use glat_start.
6022 (schedule_ebb): Code to remove unreachable last block.
6023 (schedule_ebbs): Added code to update register live information.
6024 * sched-rgn.c (region_sched_info): Initialize new fields.
6025 (get_block_head_tail): Adjust all uses.
6026 (last_was_jump): Removed. Adjust users.
6027 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6028 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6029 Implement new hooks.
6030 (check_dead_notes1): New static function.
6031 (struct region): New fields: dont_calc_deps, has_real_ebb.
6032 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6033 (BB_TO_BLOCK): Fixed to handle EBBs.
6034 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6035 (ebb_head): New static variable.
6036 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6037 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6039 (compute_dom_prob_ps): New assertion.
6040 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6041 global_live_at_start.
6042 (init_ready_list): New assertions.
6043 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6044 (new_ready): Add support for BEGIN_CONTROL speculation.
6045 (schedule_insns): Fixed code that updates register live information
6047 (schedule_region): Fixed to handle EBBs.
6048 (init_regions): Use extend_regions and check_dead_notes1.
6049 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6050 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6051 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6052 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6053 TARGET_SCHED_GEN_CHECK,
6054 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6055 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6056 * doc/invoke.texi (max-sched-insn-conflict-delay,
6057 sched-spec-prob-cutoff): Document.
6059 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6061 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6062 inter_tick, queue_index.
6063 (struct sched_info): Change signature of init_ready_list field.
6064 Adjust all initializations.
6065 (RESOLVED_DEPS): New access macro.
6066 (ready_add): Remove prototype.
6067 (try_ready): Add prototype.
6068 * sched-rgn.c (init_ready_list): Use try_ready.
6069 (schedule_region): Initialize
6070 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6071 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6072 (init_ready_list): Use try_ready.
6073 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6074 * lists.c (remove_list_elem): Remove `static'.
6075 (remove_free_INSN_LIST_elem): New function.
6076 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6077 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6078 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6080 (readyp): New variable.
6081 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6082 change_queue_index, resolve_dep): New static functions.
6083 (try_ready): New function. Adjust callers in sched-rgn.c and
6084 sched-ebb.c to use it instead of ready_add.
6085 (clock_var): Move at the begining of file.
6086 (rank_for_schedule): Fix typo.
6087 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6088 (ready_lastpos): Enforce assertion.
6089 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6091 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6092 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6093 (queue_to_ready): Use free_INSN_LIST_list.
6094 (early_queue_to_ready): Fix typo.
6095 (schedule_block): Init readyp. Move init_ready_list call after the
6096 initialization of clock_var. Fix error in rejecting insn by
6097 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6098 that previously corrected INSN_TICKs. Add code for handling
6100 (set_priorities): Fix typo.
6101 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6102 Clarify comment and code that keeps current_sched_info->next_tail
6105 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6107 * sched-rgn.c (extend_rgns): New static function.
6108 (find_rgns): Use it.
6109 (gather_region_statistics, print_region_statistics): New static
6111 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6112 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6114 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6115 Andrey Belevantsev <abel@ispras.ru>
6117 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6118 * lists.c (unused_deps_list): New variable.
6119 (free_list): Add assertions to verify the proper distinguishing
6120 between INSN_LISTs and DEPS_LISTs.
6121 (find_list_elem, remove_list_elem, remove_list_node): New static
6123 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6124 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6125 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6126 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6128 (free_INSN_LIST_node): Likewise.
6129 * modulo-sched.c (current_sched_info): Initialize flags field.
6130 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6131 * rtl.def (DEPS_LIST): Define.
6132 * rtl.h: Declare new functions from lists.c.
6133 * sched-deps.c (spec_dependency_cache): New static variable.
6134 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6135 (add_dependence): Change return type to void. Move the logic to ...
6136 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6137 (delete_all_dependences): Add comment about forward_dependency_cache.
6138 Handle spec_dependency_cache. Handle DEPS_LISTs.
6139 (fixup_sched_groups): Clarify the change of priority of output
6140 and anti dependencies.
6141 (sched_analyze_2): Adjust add_dependence calls to create data
6142 speculative dependence.
6143 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6144 Adjust all callers. Handle DEPS_LISTS.
6145 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6146 presence of speculation.
6147 (init_dependency_caches, free_dependency_caches):
6148 Handle spec_dependency_cache.
6149 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6150 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6151 New static functions.
6152 (add_or_update_back_dep, add_or_update_back_forw_dep,
6153 add_back_forw_dep, delete_back_forw_dep): New functions.
6154 * sched-int.h (ds_t, dw_t): New typedefs.
6155 (struct sched_info): Add new field flags.
6156 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6157 Prototype new sched-deps.c functions.
6158 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6159 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6160 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6161 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6162 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6163 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6165 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6167 * sched-rgn.c (current_sched_info): Initialize flags field.
6168 (schedule_insns): Initialize current_sched_info before the sched_init
6170 * sched-ebb.c (current_sched_info): Initialize flags field.
6171 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6172 Call add_or_update_back_dep instead of add_dependence.
6173 Create control speculative dependencies.
6174 (schedule_insns): Initialize current_sched_info before the sched_init
6177 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6179 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6181 (sh_fallback_frame_state): Likewise.
6183 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6185 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6186 Do switch on default_use_cxa_atexit.
6187 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6188 * config/darwin-crt3.o: New.
6189 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6190 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6191 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6193 * config/rs6000/t-darwin: Move crt2.o building to here.
6194 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6195 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6198 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6200 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6201 from '! xxx' to '!xxx' for coding-style conformance.
6202 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6203 (EXTRA_CONSTRAINT): Likewise.
6204 * config/vax/vax.md (four unnamed insns): Likewise.
6206 2006-03-15 Paul Brook <paul@codesourcery.com>
6208 * config/arm/arm.c (minipool_pad): New.
6209 (add_minipool_forward_ref): Include pool alignment padding in address
6211 (push_minipool_fix): Set minipool_pad.
6212 (minipool_pad): Ditto.
6214 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6216 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6217 instead of GET_CODE() == MEM and REG_P() instead of
6219 (print_operand_address): Likewise.
6220 (vax_address_cost): Likewise.
6221 (vax_rtx_costs): Likewise.
6222 (vax_notice_update_cc): Likewise.
6223 (vax_output_int_add): Likewise.
6224 (INDEX_REGISTER_P): Likewise.
6225 (BASE_REGISTER_P): Likewise.
6226 (nonindexed_address_p): Likewise.
6227 (vax_mode_dependent_address_p): Likewise.
6228 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6229 (PRINT_OPERAND): Likewise.
6230 * config/vax/vax.md (ashlsi3): Likewise.
6231 (ashlsi3): Likewise.
6232 (some more unnamed insns): Likewise.
6234 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6236 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6237 iterator-style macro.
6238 (mark_control_dependent_edges_necessary): Update the use of
6239 EXECUTE_IF_CONTROL_DEPENDENT.
6241 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6243 * config/sh/predicates.md (cache_address_operand): Special.
6244 (ua_address_operand): Likewise.
6246 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6248 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6250 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6252 2006-03-15 Andreas Schwab <schwab@suse.de>
6254 * gensupport.c (identify_predicable_attribute): Don't free p_false
6255 when it is still in use.
6257 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6259 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6260 the default setting here.
6262 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6264 * tree-pass.h (pass_cfg): Remove.
6265 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6266 * passes.c (pass_cfg): Don't run it.
6268 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6270 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6271 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6273 (stack_regs_mentioned): Update the uses of
6274 stack_regs_mentioned_data. Don't access the array beyond its
6276 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6277 Don't include gt-reg-stack.h.
6279 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6280 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6282 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6285 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6288 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6290 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6292 2006-03-14 Richard Guenther <rguenther@suse.de>
6294 PR tree-optimization/26672
6295 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6298 2006-03-14 Richard Guenther <rguenther@suse.de>
6300 PR tree-optimization/26667
6301 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6302 node for the callees. Always allow inlining if it will shrink
6305 2006-03-14 Richard Guenther <rguenther@suse.de>
6308 * builtins.c (get_pointer_alignment): Prefer alignment
6309 information from decls over that from types.
6311 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6314 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6316 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6318 * config/rs6000/rs6000.opt (mdlmzb): New option.
6319 (msched-prolog, msched-epilog): Use Var not Mask.
6320 * doc/invoke.texi (-mdlmzb): Document.
6321 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6323 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6324 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6326 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6328 PR rtl-optimization/25739
6329 * bt-load.c (augment_live_range): Free tos pointer.
6331 * gensupport.c (identify_predicable_attribute): Free
6333 * gcov.c (create_file_names): Free name pointer.
6335 2006-03-13 Roger Sayle <roger@eyesopen.com>
6338 * stmt.c (emit_case_nodes): Handle the case where the index is a
6339 CONST_INT, where the comparison mode is specified by the index type.
6341 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6343 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6346 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6348 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6349 (*branch_fp_inverted): Likewise.
6351 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6354 * omp-low.c (expand_omp_for_generic): Mark istart0
6355 and iend0 as addressable.
6357 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6359 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6361 2006-03-13 Jeff Law <law@redhat.com>
6363 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6364 virtual operands are interesting.
6365 (vrp_visit_stmt): Corresponding changes.
6367 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6369 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6371 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6372 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6373 * config/bfin/crti.S: Use it instead of __PIC__.
6374 * config/bfin/crtn.S: Likewise.
6376 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6377 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6379 Lose 'G' modifier for call operand.
6380 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6381 recognize 'G' modifier.
6383 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6386 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6387 * stmt.c (expand_case): Likewise.
6389 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6391 PR rtl-optimization/26254
6392 * loop-invariant.c (seq_insns_valid_p): New function.
6393 (move_invariant_reg): Only emit new code if it is valid.
6395 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6397 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6399 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6400 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6401 (commit_one_edge_insertion): Do not look for loop notes.
6403 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6405 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6406 flag_test_coverage out of loop.
6408 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6410 * final.c (shorten_branches): Remove outdated comment, and turn
6411 the if branch that guards it to continue.
6413 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6415 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6416 * cfgloop.h (struct loop): Remove unused fields.
6418 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6420 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6421 (-dL, -fdump-rtl-loop2): Update the dump file names
6423 * doc/invoke.texi: Update dump file names.
6425 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6427 * predict.c (estimate_probability): Remove.
6428 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6429 * basic-block.h (estimate_probability): Remove prototype.
6430 * passes.c (finish_optimization_passes): Dump branch prediction or
6431 profiling heuristics to the .profile tree dump.
6432 (init_optimization_passes): Unqueue pass_branch_prob.
6434 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6436 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6438 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6439 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6441 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6443 * function.h (frame_offset_overflow): Declare.
6444 * function.c (frame_offset_overflow): New function.
6445 (assign_stack_local_1): Call it to detect that the offset overflows.
6446 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6448 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6450 * config/sh/sh.c: Include alloc-pool.h.
6451 (label_ref_list_pool): New alloc pool.
6452 (label_ref_list_t): New type for lists of labels.
6453 (struct pool_node): Make wend a label_ref_list_t.
6454 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6456 (dump_table): Likewise.
6457 (sh_reorg): Set up the alloc pool before using add_constant and
6458 dump_table, and destroy it when finishing.
6460 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6462 * config/mips/mips.c: Remove redundant comment.
6464 2006-03-10 Jason Merrill <jason@redhat.com>
6467 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6468 the target was declared 'register'.
6470 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6472 * genpreds.c (write_insn_constraint_len): Change definition of
6473 insn_constraint_len to return size_t to match the declaration.
6475 2006-03-10 DJ Delorie <dj@redhat.com>
6477 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6479 (m32c_expand_insv): Fix test for an AND mask.
6481 2006-03-10 Richard Guenther <rguenther@suse.de>
6484 * builtins.c (get_pointer_alignment): Handle component
6485 references for field alignment.
6487 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6489 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6490 when building with libgloss.
6491 (sh*elf): Implement --without-fp option.
6492 (sh64-superh-linux*): Don't multilib.
6494 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6496 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6498 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6500 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6501 Set it when one of the replacement functions returned true.
6502 Return TODO_cleanup_cfg if cfgchanged is true.
6503 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6505 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6507 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6508 instead of gen_lowpart.
6510 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6512 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6514 (mips_output_order_conditional_branch): Declare.
6515 * config/mips/mips.h (MIPS_BRANCH): New macro.
6516 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6517 for the comparison. Use gen_condjump.
6518 (mips_output_conditional_branch): Rework interface to take the
6519 asm templates for a direct branch and the inverse of a direct branch.
6520 (mips_output_order_conditional_branch): New function.
6521 (mips_builtin_branch_and_move): New function.
6522 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6523 branch condition. Use gen_single_cc as the condition for
6524 __builtin_mips_upper_* or __builtin_mips_lower_*.
6525 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6526 Use VOIDmode for the branch condition.
6527 * config/mips/predicates.md (order_operator): New predicate.
6528 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6529 (branch_fp): Rename to...
6530 (*branch_fp): ...this. Remove mode from comparison operator.
6531 Use new mips_output_conditional_branch interface.
6532 (branch_fp_inverted): Rename to...
6533 (*branch_fp_inverted): ...this and update as for *branch_fp.
6534 (*branch_zero<mode>): Rename to...
6535 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6536 Use mips_output_order_conditional_branch. Only accept ordered
6538 (*branch_zero<mode>_inverted): Rename to...
6539 (*branch_order<mode>_inverted): ...this and update as for
6540 *branch_order<mode>.
6541 (*branch_equality<mode>): Accept zero as the second operand to
6542 the equality operator. Use the new mips_output_conditional_branch
6544 (*branch_equality<mode>_inverted): Likewise.
6545 (condjump): New expander.
6546 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6548 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6549 (bc1any2t, bc1any2f): Likewise.
6550 (single_cc): New expander.
6551 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6553 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6555 * doc/md.texi: Update documentation of MIPS constraints.
6556 * config/mips/constraints.md: New file.
6557 * config/mips/mips.md: Include it.
6558 * config/mips/mips.c (mips_char_to_class): Delete.
6559 (override_options): Don't initialize mips_char_to_class.
6560 * config/mips/mips.h (mips_char_to_class): Delete.
6561 (REG_CLASS_FROM_LETTER): Delete.
6562 (CONST_OK_FOR_LETTER_P): Delete.
6563 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6564 (EXTRA_CONSTRAINT_Y): Delete.
6565 (EXTRA_CONSTRAINT_STR): Delete.
6566 (CONSTRAINT_LEN): Delete.
6567 (EXTRA_MEMORY_CONSTRAINT): Delete.
6569 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6571 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6572 original fn's eh regions.
6574 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6576 * fold-const.c (build_range_check): Make sure to use a valid type to
6577 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6580 (range_predecessor): New static function.
6581 (range_successor): Likewise.
6582 (merge_ranges): Use them to compute predecessors and successors of
6585 2006-03-09 Roger Sayle <roger@eyesopen.com>
6588 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6589 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6591 2006-03-08 DJ Delorie <dj@redhat.com>
6593 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6594 (addpsi3): Expand to include memory operands. Remove
6595 reload-specific splits.
6596 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6597 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6598 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6599 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6600 (shift1_qi, shift1_hi, insv): New.
6601 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6602 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6603 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6605 * config/m32c/m32c-protos.h: Update as needed.
6606 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6607 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6608 Fail for unrecognized R* constraints.
6609 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6610 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6611 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6613 (m32c_init_libfuncs): New.
6614 (m32c_legitimate_address_p): Add debug wrapper.
6615 (m32c_rtx_costs): New.
6616 (m32c_address_cost): New.
6617 (conversions): Add 'B' prefix.
6618 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6619 operands, or word regnames for QI operands. 'B' prints bit
6621 (m32c_expand_setmemhi): New.
6622 (m32c_expand_movmemhi): New.
6623 (m32c_expand_movstr): New.
6624 (m32c_expand_cmpstr): New.
6625 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6626 (m32c_expand_neg_mulpsi3): Handle non-ints.
6627 (m32c_cmp_flg_0): New.
6628 (m32c_expand_movcc): New.
6629 (m32c_expand_insv): New.
6630 (m32c_scc_pattern): New.
6631 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6632 a0/a1 out of SIregs.
6633 (STORE_FLAG_VALUE): New.
6634 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6637 * config/m32c/mov.md: Make constraints more liberal.
6638 (zero_extendqihi2): Optimize r0/r1 case.
6639 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6640 * config/m32c/predicates.md (m32c_any_operand): New.
6641 (m32c_nonimmediate_operand): New.
6642 (m32c_hl_operand): New.
6643 (m32c_r3_operand): New.
6646 (memsym_operand): New.
6647 (memimmed_operand): New.
6648 (a_qi_operand): New.
6649 (m32c_eqne_operator): New.
6650 (m32c_1bit8_operand): New.
6651 (m32c_1bit16_operand): New.
6652 (m32c_1mask8_operand): New.
6653 (m32c_1mask16_operand): New.
6654 * config/m32c/blkmov.md: New file.
6655 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6657 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6659 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6660 unsigned to fix signed/unsigned comparison issue in
6661 DWARF2_FRAME_REG_OUT.
6662 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6663 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6665 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6666 of ptr into the ENABLE_CHECKING section.
6668 2006-03-08 Jeff Law <law@redhat.com>
6670 * tree-vrp.c (infer_value_range): Only count pointer uses
6671 and dereferences if -fdelete-null-pointer-checks is enabled.
6673 * tree-vrp.c (find_assert_locations): Infer value ranges for
6674 single use pointers, but do not create ASSERT_EXPRs for them.
6675 When a non-null range is inferred for a pointer, backwards
6676 propagate that range to other equivalent pointers through the
6679 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6682 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6683 language hook targets.
6684 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6685 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6686 if language hook targets were missing.
6688 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6690 * tree-ssa-opfinalize.h: Removed.
6691 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6693 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6694 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6695 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6696 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6697 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6698 finalize_ssa_v_must_def_ops): New.
6700 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6702 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6705 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6707 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6709 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6710 addresses with offsets; reorganize.
6712 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6713 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6714 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6716 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6719 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6721 2006-03-08 Ben Elliston <bje@au.ibm.com>
6723 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6725 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6728 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6731 2006-03-07 Richard Guenther <rguenther@suse.de>
6733 PR tree-optimization/26587
6734 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6736 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6738 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6740 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6742 * hooks.c (hook_bool_mode_rtx_true): New function.
6743 * hooks.h (hook_bool_mode_rtx_true): Declare.
6744 * toplev.c (compile_file): Call output_shared_constant_pool.
6745 * varasm.c (shared_constant_pool): New variable.
6746 (assemble_start_function, assemble_end_function): Remove arguments
6747 from call to output_constant_pool.
6748 (create_constant_pool): New function, split out from...
6749 (init_varasm_status): ...here.
6750 (force_const_mem): Choose between the shared and per-function constant
6751 pools. Set current_function_uses_const_pool when reusing old entries
6752 as well as when creating new ones.
6753 (mark_constant): Ignore data argument.
6754 (mark_constants): Remove pool argument.
6755 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6756 to decide whether the function uses a constant pool.
6757 (output_constant_pool_contents): New function, split out from...
6758 (output_constant_pool): ...here.
6759 (output_shared_constant_pool): New function.
6760 (init_varasm_once): Initialize shared_constant_pool.
6761 * output.h (output_constant_pool): Delete.
6762 (output_shared_constant_pool): Declare.
6763 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6764 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6766 2006-03-06 Nick Clifton <nickc@redhat.com>
6768 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6769 flag_strength_reduce.
6771 2006-03-06 Ben Elliston <bje@au.ibm.com>
6773 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6774 x86_64-*-linux* configurations.
6776 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6777 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6779 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6781 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6783 * basic-block.h: Remove the extern for
6784 rediscover_loops_after_threading.
6786 * cfgloop.c (cancel_loop): Make it static.
6787 * cfgloop.h: Remove the prototype for cancel_loop.
6789 * flow.c (recompute_reg_usage): Make it static.
6790 * rtl.h: Remove the prototype for recompute_reg_usage.
6792 * function.c (use_return_register): Make it static.
6793 * function.h: Remove the prototype.
6795 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6797 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6799 * recog.h: Remove the prototype for
6800 validate_change_maybe_volatile.
6802 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6804 * rtlanal.c (replace_reg): Remove.
6805 * rtl.h: Remove the prototype for replace_reg.
6807 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6809 * regclass.c (reg_scan_update): Remove.
6810 (reg_scan_mark_refs): Remove the last argument.
6811 * rtl.h: Remove the prototype for reg_scan_update.
6813 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6815 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6816 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6817 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6818 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6819 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6820 loop-invariant.c, omp-low.c, opts.c, passes.c,
6821 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6822 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6823 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6824 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6825 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6826 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6828 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6830 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6831 * dwarf2out.h: Remove the prototype for
6832 dwarf2out_add_library_unit_info.
6834 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6836 * tree.c (add_var_to_bind_expr): Remove.
6837 * tree.h: Remove the prototype for add_var_to_bind_expr.
6839 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6841 * regclass.c (n_non_fixed_regs): Remove.
6842 (init_reg_sets_1, globalize_reg): Remove all uses of
6844 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6846 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6848 * rtlanal.c (insns_safe_to_move_p): Remove.
6849 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6851 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6853 * expmed.c (expand_mult_add): Remove.
6854 * expr.h: Remove the prototype for expand_mult_add.
6856 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6858 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6859 and REG_SAVED_VAL_EXP constants.
6860 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6861 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6862 Handle regs stored by value.
6863 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6864 (execute_cfa_program): Handle DW_CFA_val_offset,
6865 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6866 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6867 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6868 (uw_install_context_1): Handle target regs stored by value.
6870 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6872 * tree-sra.c (tree_sra): Return todoflags;
6873 (generate_one_element): Set TODO_update_smt_usage if needed.
6874 (pass_sra): Remove TODO_update_smt_usage.
6875 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6877 (tree_ssa_forward_propagate_single_use_vars): Return
6878 TODO_update_smt_usage if we need to update SMT usage.
6879 (pass_forwprop): Remove TODO_update_smt_usage.
6881 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6883 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6884 (correct_use_link): Remove reference to get_stmt_operands.
6885 (update_stmt_operands): Likewise.
6886 (get_modify_expr_operands): New function factored out of
6887 parse_ssa_operands and get_expr_operands.
6888 Try to create V_MUST_DEFs for LHS by default.
6889 (get_expr_operands) <case MODIFY_EXPR>: Call
6890 get_modify_expr_operands.
6891 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6892 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6893 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6894 get_modify_expr_operands.
6896 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6898 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6899 * tree-flow.h: Remove the prototype for
6900 referenced_var_lookup_if_exists.
6902 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6904 PR rtl-optimization/26345
6906 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6908 2006-03-03 Roger Sayle <roger@eyesopen.com>
6910 PR tree-optimization/26524
6911 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6912 fold_convert to create a constant of the appropriate type.
6914 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6916 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6917 SYMBOL_REF_IN_BLOCK_P.
6918 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6919 of SYMBOL_FLAG_IN_BLOCK.
6920 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6921 instead of SYMBOL_REF_IN_BLOCK_P.
6922 * explow.c (use_anchored_address): Likewise.
6923 * rtl.c (rtx_size): Likewise.
6924 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6925 instead of SYMBOL_FLAG_IN_BLOCK.
6926 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6927 SYMBOL_REF_IN_BLOCK_P.
6928 (assemble_variable): Likewise.
6929 (output_constant_def_contents): Likewise.
6930 (output_constant_pool): Likewise.
6931 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6932 instead of SYMBOL_FLAG_IN_BLOCK.
6933 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6934 SYMBOL_REF_IN_BLOCK_P.
6935 (SYMBOL_REF_BLOCK): Likewise.
6936 (SYMBOL_REF_OFFSET): Likewise.
6937 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6938 SYMBOL_REF_IN_BLOCK_P.
6939 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6940 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6941 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6942 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6944 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6946 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6948 2006-03-02 Roger Sayle <roger@eyesopen.com>
6950 * simplify-rtx.c (simplify_unary_operation): When simplifying
6951 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6952 that we perform the right shift in the appropriate mode, and
6953 then extend or truncate the result to requested mode.
6955 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6957 * gengtype.c (main): Handle double_int type.
6958 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6959 * double-int.c: New file.
6960 * double-int.h: New file.
6961 * system.h: Include doubleint.h.
6962 * Makefile.in (SYSTEM_H): Include double-int.h.
6963 (double-int.o): Add.
6965 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6968 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6971 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6973 * tree-vrp.c (remove_range_assertions): Do not update statements
6976 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6978 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6980 * gcse.c (rest_of_handle_gcse): Ditto.
6981 * except.c (gate_handle_eh): Ditto.
6982 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6983 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6985 2006-03-02 Eric Christopher <echristo@apple.com>
6987 * config/i386/i386.c (machopic_output_stub): Add indirection to
6990 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6994 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6996 Sun Niagara specific optimizations.
6997 * config.gcc: Recognize niagara as target.
6998 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6999 (TARGET_CPU_niagara): Define.
7000 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7001 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7002 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7003 (ASM_CPU_SPEC): Likewise.
7004 (PROCESSOR_NIAGARA): New enum entry.
7005 (REGISTER_MOVE_COST): Handle Niagara.
7006 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7007 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7008 (sparc_override_options): Recognize "niagara", set appropriate
7009 default MASK_* values for it, and align functions to 32-bytes
7010 by default just like ULTRASPARC/ULTRASPARC3.
7011 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7012 (sparc64_initialize_trampoline): Likewise.
7013 (sparc_use_sched_lookahead): Use zero for niagara.
7014 (sparc_issue_rate): Use one for niagara.
7015 * config/sparc/niagara.md: New file.
7016 * config/sparc/sparc.md: Include it.
7017 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7018 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7019 when default cpu is niagara.
7020 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7021 (ASM_CPU_SPEC): Likewise.
7022 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7023 when default cpu is niagara.
7024 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7025 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7026 just like v9/ultrasparc/ultrasparc3.
7027 * doc/invoke.texi: Add documentation for "niagara" and improve
7028 existing documentation for ultrasparc variants.
7030 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7032 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7034 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7036 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7037 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7038 and say that only one is needed.
7039 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7040 * target.h (have_switchable_bss_sections): New hook.
7041 * explow.c (use_anchored_address): Check that the symbol is in a block.
7042 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7043 (bss_noswitch_section): New variables.
7044 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7045 (get_noswitch_section): New function.
7046 (get_block_for_section): Allow SECT to be null.
7047 (unlikely_text_section_p): Use SECTION_STYLE.
7048 (bss_initializer_p): New function.
7049 (get_variable_section): Move earlier in file. Take a new argument,
7050 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7051 Return one of the new *_sections in such cases.
7052 (get_block_for_decl): New function, extracting some logic from
7053 use_blocks_for_decl_p.
7054 (change_symbol_section): Remove in favor of...
7055 (change_symbol_block): ...this new function.
7056 (use_blocks_for_decl_p): Remove checks now performed by
7058 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7059 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7060 (emit_local, emit_bss, emit_common): ...these new functions.
7061 Return true if the alignment was honored.
7062 (emit_tls_common): New function.
7063 (asm_emit_uninitialised): Delete.
7064 (assemble_variable_noswitch): New function, split out from...
7065 (assemble_variable): ...here. Don't make decisions about common
7066 variables here. Globalize all public decls that go into non-common
7067 sections. Check whether SYMBOL_REF_BLOCK is null.
7068 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7069 (output_constant_pool): Likewise.
7070 (init_varasm_once): Initialize the new section variables.
7071 (have_global_bss_p): New function.
7072 (categorize_decl_for_section): Use bss_initializer_p.
7073 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7074 (place_block_symbol): Assert that the symbol must be in a block.
7075 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7076 (TARGET_INITIALIZER): Include it.
7077 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7078 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7079 (SECTION_MACH_DEP): Bump by two.
7080 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7081 (unnamed_section): Mention SECTION_UNNAMED in comment.
7082 (named_section): Likewise SECTION_NAMED.
7083 (noswitch_section_callback): New type.
7084 (noswitch_section): New structure.
7085 (section): Add a noswitch_section alternative.
7086 (SECTION_STYLE): New macro.
7087 (tls_comm_section, comm_section, lcomm_section): Declare.
7088 (bss_noswitch_section, have_global_bss_p): Declare.
7089 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7090 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7092 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7093 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7096 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7098 * tree-vrp.c (execute_vrp): Return value.
7099 * regrename.c (rest_of_handle_regrename): Ditto.
7100 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7101 * tree-complex.c (tree_lower_complex): Ditto.
7102 (tree_lower_complex_O0): Ditto.
7103 * tracer.c (rest_of_handle_tracer): Ditto.
7104 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7105 * postreload.c (rest_of_handle_postreload): Ditto.
7106 * tree-tailcall.c (execute_tail_recursion): Ditto.
7107 (execute_tail_calls): Ditto.
7108 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7109 * tree.h (init_function_for_compilation): Ditto.
7110 * ipa-cp.c (ipcp_driver): Ditto.
7111 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7112 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7113 * final.c (compute_alignments): Ditto.
7114 (rest_of_handle_final): Ditto.
7115 (rest_of_handle_shorten_branches): Ditto.
7116 (rest_of_clean_state): Ditto.
7117 * omp-low.c (execute_expand_omp): Ditto.
7118 (execute_lower_omp): Ditto.
7119 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7120 * ipa-reference.c (static_execute): Ditto.
7121 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7122 * reorg.c (rest_of_handle_delay_slots): Ditto.
7123 (rest_of_handle_machine_reorg): Ditto.
7124 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7125 * flow.c (recompute_reg_usage): Ditto.
7126 (rest_of_handle_remove_death_notes): Ditto.
7127 (rest_of_handle_life): Ditto.
7128 (rest_of_handle_flow2): Ditto.
7129 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7130 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7131 (do_ssa_store_ccp): Ditto.
7132 (execute_fold_all_builtins): Ditto.
7133 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7134 * modulo-sched.c (rest_of_handle_sms): Ditto.
7135 * ipa-pure-const.c (static_execute): Ditto.
7136 * cse.c (rest_of_handle_cse): Ditto.
7137 (rest_of_handle_cse2): Ditto.
7138 * web.c (rest_of_handle_web): Ditto.
7139 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7140 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7141 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7142 * tree-nrv.c (tree_nrv): Ditto.
7143 (execute_return_slot_opt): Ditto.
7144 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7145 (create_structure_vars): Ditto.
7146 * loop-init.c (rtl_loop_init): Ditto.
7147 (rtl_loop_done): Ditto.
7148 (rtl_move_loop_invariants): Ditto.
7149 (rtl_unswitch): Ditto.
7150 (rtl_unroll_and_peel_loops): Ditto.
7151 (rtl_doloop): Ditto.
7152 * gimple-low.c (lower_function_body): Ditto.
7153 (mark_used_blocks): Ditto.
7154 * tree-ssa-sink.c (execute_sink_code): Ditto.
7155 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7156 (cgraph_early_inlining): Ditto.
7157 * global.c (rest_of_handle_global_alloc): Ditto.
7158 * jump.c (cleanup_barriers): Ditto.
7159 (purge_line_number_notes): Ditto.
7160 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7161 (rest_of_handle_if_after_reload): Ditto.
7162 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7163 (tree_ssa_loop_im): Ditto.
7164 (tree_ssa_loop_unswitch): Ditto.
7165 (tree_vectorize): Ditto.
7166 (tree_linear_transform): Ditto.
7167 (tree_ssa_loop_ivcanon): Ditto.
7168 (tree_ssa_empty_loop): Ditto.
7169 (tree_ssa_loop_bounds): Ditto.
7170 (tree_complete_unroll): Ditto.
7171 (tree_ssa_loop_prefetch): Ditto.
7172 (tree_ssa_loop_ivopts): Ditto.
7173 (tree_ssa_loop_done): Ditto.
7174 * predict.c (tree_estimate_probability): Ditto.
7175 * recog.c (split_all_insns_noflow): Ditto.
7176 (rest_of_handle_peephole2): Ditto.
7177 (rest_of_handle_split_all_insns): Ditto.
7178 * tree-eh.c (lower_eh_constructs): Ditto.
7179 * regmove.c (rest_of_handle_regmove): Ditto.
7180 (rest_of_handle_stack_adjustments): Ditto.
7181 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7182 * function.c (instantiate_virtual_regs): Ditto.
7183 (init_function_for_compilation): Ditto.
7184 (rest_of_handle_check_leaf_regs): Ditto.
7185 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7186 (rest_of_handle_gcse): Ditto.
7187 * ipa-type-escape.c (type_escape_execute): Ditto.
7188 * alias.c (rest_of_handle_cfg): Ditto.
7189 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7190 * profile.c (rest_of_handle_branch_prob): Ditto.
7191 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7192 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7193 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7194 * tree-dfa.c (find_referenced_vars): Ditto.
7195 * except.c (set_nothrow_function_flags): Ditto.
7196 (convert_to_eh_region_ranges): Ditto.
7197 (rest_of_handle_eh): Ditto.
7198 * emit-rtl.c (unshare_all_rtl): Ditto.
7199 (remove_unnecessary_notes): Ditto.
7200 * except.h (set_nothrow_function_flags): Ditto.
7201 (convert_to_eh_region_ranges): Ditto.
7202 * cfgexpand.c (tree_expand_cfg): Ditto.
7203 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7204 * tree-ssa-pre.c (do_pre): Ditto.
7205 (execute_fre): Ditto.
7206 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7207 (rest_of_handle_jump2): Ditto.
7208 * tree-sra.c (tree_sra): Ditto.
7209 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7210 (execute_mudflap_function_decls): Ditto.
7211 * tree-ssa-copy.c (do_copy_prop): Ditto.
7212 (do_store_copy_prop): Ditto.
7213 * ipa-prop.h (ipcp_driver): Ditto.
7214 * cfglayout.c (insn_locators_initialize): Ditto.
7215 * tree-ssa-forwprop.c
7216 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7217 * cfglayout.h (insn_locators_initialize): Ditto.
7218 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7219 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7220 (execute_late_warn_uninitialized): Ditto.
7221 * rtl.h (cleanup_barriers): Ditto.
7222 (split_all_insns_noflow): Ditto.
7223 (purge_line_number_notes): Ditto.
7224 (unshare_all_rtl): Ditto.
7225 (remove_unnecessary_notes): Ditto.
7226 (recompute_reg_usage): Ditto.
7227 (variable_tracking_main): Ditto.
7228 * integrate.c (emit_initial_value_sets): Ditto.
7229 * integrate.h (emit_initial_value_sets): Ditto.
7230 * tree-optimize.c (execute_free_datastructures): Ditto
7231 (execute_free_cfg_annotations): Ditto.
7232 (execute_fixup_cfg): Ditto.
7233 (execute_cleanup_cfg_pre_ipa): Ditto.
7234 (execute_cleanup_cfg_post_optimizing): Ditto.
7235 (execute_init_datastructures): Ditto.
7236 * tree-object-size.c (compute_object_sizes): Ditto.
7237 * combine.c (rest_of_handle_combine): Ditto.
7238 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7239 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7240 (rest_of_handle_reorder_blocks): Ditto.
7241 (rest_of_handle_partition_blocks): Ditto.
7242 * var-tracking.c (variable_tracking_main): Ditto.
7243 * tree-profile.c (tree_profiling): Ditto.
7244 * tree-vect-generic.c (expand_vector_operations): Ditto.
7245 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7246 * sched-rgn.c (rest_of_handle_sched): Ditto.
7247 (rest_of_handle_sched2): Ditto.
7248 * basic-block.h (free_bb_insn): Ditto.
7249 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7250 * tree-cfg.c (execute_build_cfg): Ditto.
7251 (remove_useless_stmts): Ditto.
7252 (split_critical_edges): Ditto.
7253 (execute_warn_function_return): Ditto.
7254 (execute_warn_function_noreturn): Ditto.
7255 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7256 * cfgrtl.c (free_bb_for_insn): Ditto.
7257 * passes.c (execute_one_pass): Run additional
7258 todos returned by execute function.
7259 * tree-pass.h (struct tree_opt_pass): Make execute
7262 2006-03-02 Richard Guenther <rguenther@suse.de>
7264 * tree-ssa-alias.c (find_used_portions): Consider taking
7265 the address as making the variable not write-only.
7267 2006-03-02 Nick Clifton <nickc@redhat.com>
7269 * config.gcc (default_use_cxa_atexit): Extend the description of
7270 this configure variable. Set its default value to "yes" for
7271 Linux, NetBSD and ELF targets on the assumption that they will
7272 use C libraries with the __cxa_atexit function.
7274 2006-03-02 Ben Elliston <bje@au.ibm.com>
7276 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7277 parameter as unused to suppress a build warning.
7279 2006-03-02 Ben Elliston <bje@au.ibm.com>
7281 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7284 2006-03-01 Roger Sayle <roger@eyesopen.com>
7287 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7288 declared name, the weak reference name, and the typeof name.
7289 (__gthrw): Avoid expanding the declared name suffix.
7290 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7292 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7294 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7296 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7297 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7298 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7299 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7300 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7301 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7302 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7303 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7304 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7305 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7306 (DW_END_default, DW_END_big, DW_END_little): New.
7307 (DW_END_lo_user, DW_END_hi_user): Define.
7308 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7309 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7310 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7313 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7315 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7317 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7319 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7321 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7323 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7324 to 'symbol_mem_tag'.
7326 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7329 2006-03-01 Roger Sayle <roger@eyesopen.com>
7331 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7333 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7336 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7337 MACHO_DYNAMIC_NO_PIC_P.
7338 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7340 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7343 * config/darwin-protos.h (darwin_asm_output_anchor):
7345 * config/darwin-sections.def (cstring_section):
7346 Add SECTION_MERGE to the flags.
7347 (literal4_section): Likewise.
7348 (literal8_section): Likewise.
7349 (objc_selector_refs_section): Likewise.
7350 (objc_cls_refs_section): Likewise.
7351 * config/darwin.c (darwin_asm_output_anchor): New
7353 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7355 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7357 Fix PR tree-optimization/26443
7358 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7359 to todo and PROP_tmt_usage to properties_destroyed.
7360 * tree-ssa-ccp.c (pass_ccp): Ditto.
7361 (pass_store_ccp): Ditto.
7362 * tree-ssa-dom.c (pass_dominator): Ditto.
7364 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7366 * tree-ssa-operands.c: Cleanup whitespace.
7367 (get_asm_expr_operands): Move before first invocation.
7368 (get_indirect_ref_operands): Likewise.
7369 (get_tmr_operands): Likewise.
7370 (get_call_expr_operands): Likewise.
7371 (append_def): Likewise.
7372 (append_use): Likewise.
7373 (append_v_may_def): Likewise.
7374 (append_v_must_def): Likewise.
7375 (add_call_clobber_ops): Likewise.
7376 (add_call_read_ops): Likewise.
7377 (add_stmt_operand): Likewise.
7378 (add_virtual_operand): Likewise.
7379 (build_ssa_operands): Likewise.
7381 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7386 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7387 with a call expr to ...
7388 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7390 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7392 * tree-vrp.c (extract_range_from_assert): Remove special
7393 handling for types with super-types.
7395 2006-03-01 Ben Elliston <bje@au.ibm.com>
7397 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7398 and powerpc64-*-linux* configurations.
7399 * config/t-dfprules: New file.
7401 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7402 Compile dfp-bit.c from the source directory using -DWIDTH and
7403 $DFP_CFLAGS to control the compilation of that file, rather than
7404 generating width-specific versions in the build directory.
7405 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7406 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7408 2006-02-28 Zack Weinberg <zackw@panix.com>
7410 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7413 2006-02-28 Eric Christopher <echristo@apple.com>
7415 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7416 Set up IN_LIBGCC definition of TARGET_64BIT.
7417 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7419 2006-02-28 Roger Sayle <roger@eyesopen.com>
7422 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7423 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7424 cases via the construction of "expr != 0".
7426 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7428 * alias.c (alias_invariant, alias_invariant_size): Remove.
7429 (record_base_value): Remove.
7430 (memrefs_conflict_p): Don't look at alias_invariant.
7431 (end_alias_analysis): Don't free it.
7432 * alias.h (record_base_value): Remove prototype.
7434 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7435 Adam Nemet <anemet@caviumnetworks.com>
7437 * rtl.h (truncated_to_mode): Declare it.
7438 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7439 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7440 (RTL_HOOKS_INITIALIZER): Include it.
7441 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7442 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7443 reg_truncated_to_mode.
7444 * rtlanal.c (truncated_to_mode): Define it.
7445 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7447 2006-02-28 Jeff Law <law@redhat.com>
7449 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7450 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7451 the range allowed by TYPE_PRECISION.
7453 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7455 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7457 PR tree-optimization/26419
7458 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7461 2006-02-27 Zack Weinberg <zackw@panix.com>
7463 * doc/md.texi: Fix typo in previous change.
7465 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7469 2006-02-27 Zack Weinberg <zackw@panix.com>
7471 * rtl.def (define_constraint, define_register_constraint)
7472 (define_memory_constraint, define_address_constraint): New MD forms.
7473 * gensupport.c (process_rtx): Put define_constraint etc on the
7475 * genpreds.c (process_define_predicate): Adjust comment. Validate
7476 the name, and call validate_exp to validate the expression.
7477 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7478 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7479 all callers changed.
7480 (validate_exp, needs_variable, struct constraint_data)
7481 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7482 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7483 (const_dbl_constraints, constraint_max_namelen)
7484 (have_register_constraints, have_memory_constraints)
7485 (have_address_constraints, have_address_constraints)
7486 (have_extra_constraints, have_const_int_constraints)
7487 (have_const_dbl_constraints, mangle, add_constraint)
7488 (process_define_constraint, process_define_register_constraint)
7489 (write_enum_constraint_num, write_lookup_constraint)
7490 (write_insn_constraint_len, write_regclass_for_constraint)
7491 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7492 (write_insn_extra_memory_constraint)
7493 (write_insn_extra_address_constraint)
7494 (write_satisfies_constraint_fns): New.
7495 (write_tm_preds_h): If we have new-style constraint definitions,
7496 prototype the functions generated from them, and define the
7497 old constraint interface (still used by generic code) in terms of
7499 (write_insn_preds_c): If we have new-style constraint definitions,
7500 generate all relevant functions from those definitions.
7501 (main): Handle define_constraint etc.
7502 * genoutput.c (struct constraint_data, indep_constraints)
7503 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7504 (mdep_constraint_len): New data structures and functions, defined
7505 #ifdef USE_MD_CONSTRAINTS.
7506 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7507 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7508 use new logic to validate operand constraints against constraint
7510 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7512 * defaults.h: If none of the old-style constraint macros are
7513 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7514 old-style macros; and poison REG_CLASS_FROM_LETTER,
7515 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7517 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7518 * doc/md.texi: Document new constraint-definition mechanism and the
7519 C interface it provides. Remove references to old mechanism
7520 elsewhere in the document.
7521 (Machine Constraints): Use pathnames relative to gcc directory,
7522 i.e. config/ARCH/FILE. Change i386 section to refer to
7523 config/i386/predicates.md; update that section to match docstrings.
7524 * doc/tm.texi: Move all documentation of the old constraint-
7525 definition macros to their own section, clearly mark as obsolete.
7527 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7528 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7530 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7531 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7532 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7534 (splits and peepholes): Use satisfies_constraint_*.
7535 * config/i386/i386.c (memory_address_length)
7536 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7538 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7540 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7541 scalar operation to be put back into the loop.
7543 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7546 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7547 (extract_cie_info): Handle S flag in augmentation string.
7548 (execute_cfa_program): If context->signal_frame, execute also
7549 fs->pc == context->ra instructions.
7550 (uw_frame_state_for): If context->signal_frame, don't subtract one
7551 from context->ra to find FDE.
7552 (uw_update_context_1): Set context->signal_frame to
7554 (_Unwind_GetIPInfo): New function.
7555 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7556 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7558 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7559 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7560 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7561 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7562 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7563 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7564 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7565 x86_64_fallback_frame_state): Set fs->signal_frame.
7566 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7567 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7568 (frob_update_context): Likewise. Workaround missing S flag in
7569 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7570 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7571 Remove the psw_addr + 1 hack.
7573 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7575 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7576 with aggregates here.
7577 (find_func_aliases): Remove code for &<aggregate> from here.
7579 2006-02-26 Roger Sayle <roger@eyesopen.com>
7581 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7582 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7583 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7586 2006-02-26 Roger Sayle <roger@eyesopen.com>
7589 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7591 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7593 * opts.c (decode_options): Do not handle flag_strength_reduce.
7594 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7595 and OPT_fstrength_reduce.
7596 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7597 flag_prefetch_loop_arrays for being nonzero.
7598 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7600 (fprefetch-loop-arrays-rtl): Removed.
7601 (flag_prefetch_loop_arrays): Do not specify the value.
7603 * doc/passes.texi: Update documentation of loop optimizer
7605 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7606 -frerun-loop-opt): Remove.
7608 2006-02-26 Richard Guenther <rguenther@suse.de>
7610 PR tree-optimization/26421
7611 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7612 in function calls that are ADDR_EXPRs as using the whole structure.
7614 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7616 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7617 * tree-pass.h (pass_loop_optimize): Remove.
7618 * passes.c (pass_loop_optimize): Never run it.
7619 * toplev.c (backend_init): Don't call init_loop.
7620 * opts.c (flag_loop_optimize_set): Remove.
7621 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7622 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7623 the old RTL loop optimizer when profiling enabled.
7624 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7625 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7626 pre-headers for the sake of the old RTL loop optimizer.
7627 * Makefile.in: Remove all references to loop.o.
7629 * doc/invoke.texi: Remove all references to -floop-optimize
7630 and -frerun-loop-opt.
7632 2006-02-26 Zack Weinberg <zackw@panix.com>
7634 * doc/md.texi (Machine Constraints): Refer to all files with paths
7635 relative to gcc directory (i.e. config/CPU/file). Add missing
7636 @table @code ... @end table to M32C subsection.
7638 2006-02-26 Roger Sayle <roger@eyesopen.com>
7640 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7642 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7644 2006-02-26 Roger Sayle <roger@eyesopen.com>
7645 James A. Morrison <phython@gcc.gnu.org>
7648 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7649 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7650 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7651 signedness of the shift operation.
7653 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7655 PR tree-optimization/26359
7656 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7658 2006-02-25 Roger Sayle <roger@eyesopen.com>
7660 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7661 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7662 as X == 0, and some symmetry related transformations.
7663 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7665 2006-02-25 Roger Sayle <roger@eyesopen.com>
7668 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7669 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7670 symmetry related transformations. Fold (X^C1) == C2 as
7673 2006-02-25 Juergen Weigert <jw@suse.de>
7674 Richard Guenther <rguenther@suse.de>
7676 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7678 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7680 * combine.c (gen_lowpart_or_truncate): Call
7681 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7683 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7685 * doc/invoke.texi: Move -fopenmp description to "Options for
7687 Remove reference to -lgomp.
7689 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7691 * doc/install.texi: Require GNU tar version 1.14.
7693 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7695 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7696 * doc/invoke.texi (C++ Dialect Options): Document
7697 -fno-use-cxa-get-exception-ptr.
7698 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7699 * configure: Regenerate.
7700 * c.opt (fuse-cxa-get-exception-ptr): New.
7701 * c-opts.c (c_common_handle_option): Handle
7702 OPT_fuse_cxa_get_exception_ptr.
7703 * c-common.c (flag_use_cxa_atexit): Update documentation.
7704 (flag_use_cxa_get_exception_ptr): New.
7705 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7706 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7708 (C_COMMON_OVERRIDE_OPTIONS): New.
7710 2006-02-24 Roger Sayle <roger@eyesopen.com>
7713 * combine.c (try_combine): Explicitly check whether GET_CODE is
7714 a SET or a CLOBBER, instead on checking that it isn't a USE.
7716 2006-02-24 Roger Sayle <roger@eyesopen.com>
7718 * fold-const.c (fold_comparison): New subroutine of fold_binary
7719 containing transformations common to both the equality and
7720 ordering relational operators, factored out of fold_binary.
7721 (fold_binary): Separate out the equality operators (EQ_EXPR
7722 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7723 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7724 transformations common to both.
7725 (fold_div_compare): Fix latent bugs in the previously unreachable
7726 LT_EXPR and GE_EXPR cases.
7728 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7730 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7731 decl libname for clog to __clog on AIX.
7733 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7735 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7738 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7739 output traceback table for thunks. Localise rs6000_stack_info call.
7741 2006-02-23 Roger Sayle <roger@eyesopen.com>
7742 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7744 * gthr-posix.h (__gthrw): Fix typo in comment.
7746 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7748 * doc/cpp.texi (Character sets): Document that we do support
7749 input files to be in any character set.
7751 2006-02-23 Jeff Law <law@redhat.com>
7753 * tree.h (PHI_ARG_NONZERO): Remove.
7754 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7755 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7756 node to the new node.
7758 PR tree-optimization/26425
7759 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7760 min/max, then assume its varying.
7762 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7764 PR rtl-optimization/26316
7765 * rtlanal.c (enum may_trap_p_flags): New.
7766 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7767 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7768 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7769 (may_trap_after_code_motion_p): New function.
7770 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7771 (find_invariant_insn): Use may_trap_after_code_motion_p.
7772 * rtl.h (may_trap_after_code_motion_p): Declare.
7774 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7776 * emit-rtl.c (immed_double_const): Cleanup.
7778 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7780 Fix PR tree-optimization/26376
7781 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7784 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7787 * gimplify.c (omp_add_variable): Guard variable size decl test with
7788 DECL_SIZE (decl) check.
7790 2006-02-23 Richard Guenther <rguenther@suse.de>
7793 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7794 like aggregate types.
7796 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7798 * configure.ac: Add --with{,out}-long-double-128 configure option.
7799 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7800 * configure: Rebuilt.
7801 * config.in: Rebuilt.
7802 * doc/install.texi (Options specification): Document
7803 --with-long-double-128.
7805 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7806 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7807 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7808 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7810 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7812 * config/s390/s390.c (override_options): Handle
7813 TARGET_DEFAULT_LONG_DOUBLE_128.
7815 * config/alpha/alpha.c (override_options): Handle
7816 TARGET_DEFAULT_LONG_DOUBLE_128.
7818 * config/sparc/sparc.c (sparc_override_options): Handle
7819 TARGET_DEFAULT_LONG_DOUBLE_128.
7821 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7823 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7824 (real-install-headers-tar, real-install-headers-cpio)
7825 (real-install-headers-cp): New targets.
7827 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7829 * tree.h (variable_section): Delete.
7830 * varasm.c (variable_section): Delete.
7832 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7834 * install.texi: Add notes on install.texi2html.
7835 (Building in parallel): Do not use footnotes.
7837 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7840 * doc/install.texi (Configuration): Document --disable-libgomp.
7842 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7844 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7846 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7848 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7849 (vec_extractv2df_0_sse): New.
7851 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7853 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7854 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7855 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7856 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7857 to the result of the expression.
7858 (def_cfa_1): Adjust.
7859 (frame_pointer_cfa_offset): Rename to...
7860 (frame_pointer_fb_offset): ... this. Adjust all uses.
7861 (convert_cfa_to_loc_list): Rename to...
7862 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7863 Pass it on to build_cfa_loc.
7864 (compute_frame_pointer_to_cfa_displacement): Rename to...
7865 (compute_frame_pointer_to_fb_displacement): ... this. New
7866 offset parameter. Use it in computation.
7867 (gen_subprogram_die): Compute cfa_fb_offset with the new
7868 macro, and use it to compute the fb loc list and the
7871 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7873 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7874 replaced with register_operand.
7875 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7876 non-DREG is expensive.
7877 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7878 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7881 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7883 * doc/install.texi2html: Use set -e.
7885 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7887 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7888 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7889 * doc/invoke.texi (-fshared-data): Delete.
7890 * common.opt (fshared-data): Delete.
7891 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7892 (assemble_static_space): Remove #if 0 code.
7893 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7894 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7895 * config/cris/cris.h: Remove FIXME.
7897 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7899 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7902 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7905 * combine.c (simplify_shift_const_1): Disable nested shifts
7906 optimization for vector shifts.
7908 2006-02-20 Roger Sayle <roger@eyesopen.com>
7910 PR tree-optimization/26361
7911 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7912 of unsigned integer types.
7914 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7916 * tree-chrec.c (eq_evolutions_p): New.
7917 * tree-chrec.h (eq_evolutions_p): Declared.
7918 * tree-data-ref.c: Fix formatting.
7919 (datadep_stats, dependence_stats): New.
7921 (print_direction_vector): New.
7922 (dump_data_dependence_relation): Use print_direction_vector.
7923 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7924 (compute_subscript_distance): Static.
7925 (initialize_data_dependence_relation): Static. Get the number
7926 of loops surrounding the references from the callers, and initialize
7927 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7928 base_object_differ_p analyzers.
7929 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7930 compute_overlap_steps_for_affine_1_2,
7931 analyze_subscript_affine_affine): Count the classified dependences.
7932 Print a message when a test failed.
7933 (can_use_analyze_subscript_affine_affine): New.
7934 (analyze_siv_subscript): Compute the data dependences on symbolic
7935 scevs that verify can_use_analyze_subscript_affine_affine.
7936 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7937 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7938 Handle symbolic scevs.
7939 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7941 (subscript_dependence_tester): Moved...
7942 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7943 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7944 DDR_SIZE_VECT instead of getting it in parameter.
7945 (subscript_dependence_tester): ... here. Take as a parameter
7946 loop_nest_depth. Call build_classic_dist_vector and
7947 build_classic_dir_vector.
7948 (compute_affine_dependence): Update subscript_dependence_tester
7949 parameters. Update datadep_stats counters. Call
7950 compute_subscript_distance.
7951 (compute_self_dependence): Save the dist and dir vectors. Call
7952 compute_subscript_distance.
7953 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7954 (compute_all_dependences): Reorder parameters as they were before
7955 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7956 compute_subscript_distance. Update the use of
7957 compute_affine_dependence and initialize_data_dependence_relation.
7958 (find_data_references_in_loop): Handle COMPONENT_REF.
7959 (compute_data_dependences_for_loop): Initialize dependence_stats.
7960 Don't call build_classic_dist_vector and build_classic_dir_vector.
7961 Update the parameters of initialize_data_dependence_relation and
7962 compute_all_dependences. Print the statistics from datadep_stats.
7963 (analyze_all_data_dependences): Static. Not used until the pass for
7964 checking the data dependences is contributed.
7965 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7966 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7967 (initialize_data_dependence_relation, compute_affine_dependence,
7968 analyze_all_data_dependences, compute_subscript_distance): Removed.
7969 (print_direction_vector): New.
7970 * lambda.h (gcd): ... here.
7971 (lambda_vector_gcd): Moved here from gcd_vector.
7972 * lambda-code.c (gcd, gcd_vector): Removed.
7973 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7974 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7976 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7978 * ipa-type-escape.c: Tidy some comments and white space.
7979 * tree-ssa-operands.c: Likewise.
7981 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7984 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7985 (dump_decl_name): Do not walk the decl tree chains.
7986 * tree-pass.h (TDF_CHAIN): Remove.
7988 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7990 * Makefile.in (C): Remove
7992 (.PHONY): Remove C and PROTO
7994 2006-02-20 Roger Sayle <roger@eyesopen.com>
7997 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7998 deprecated CHAR_TYPE tree code.
8000 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8002 * configure.ac (target_list): Add install-info, dvi, html.
8003 * configure: Regenerate.
8005 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8006 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8007 treelang/Make-lang.in: Do not use double-colon rules.
8009 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8011 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8012 (TMT_USED_ALONE): New macro.
8013 * tree-pass.h (PROP_tmt_usage): New property.
8014 (TODO_update_tmt_usage): New todo.
8015 * tree-ssa-alias.c (updating_used_alone): New variable.
8016 (recalculate_used_alone): New function.
8017 (compute_may_aliases): Set updating_used_alone, call
8018 recalculate_used_alone.
8019 * tree-sra.c (pass_sra): Note that this pass destroys
8020 PROP_tmt_usage, and add TODO_update_tmt_usage.
8021 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8022 * tree-flow.h (updating_used_alone): Prototype.
8023 (recalculate_used_alone): Ditto.
8024 * passes.c (execute_todo): Add code to set updating_used_alone,
8025 and call recalculate.
8026 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8027 for clobber if used alone, and add assert to verify used_alone
8030 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8032 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8033 for non tls symbols added.
8034 (legitimize_address): Do nothing for PLUS expressions if one of the
8035 addends is a tls symbol reference.
8037 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8041 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8043 * Makefile.in (BOOTSTRAPPING): New.
8044 (quickstrap): New definition if BOOTSTRAPPING=yes.
8046 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8047 * configure.ac: Substitute all_selected_languages with the languages
8048 that were configured. For all the other variables except
8049 lang_specs_files, include all the languages in the tree.
8050 * configure: Regenerate.
8052 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8053 if there is one. Run the commands to run fixincludes in the same
8056 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8057 * doc/install.texi: Document exact conventions for searching target tools.
8058 Document --with-build-time-tools. Document toplevel bootstrap. Document
8059 something more about building an Ada cross-compiler. Don't list GNU Make
8060 requirements which affect all platforms.
8062 2006-02-19 Roger Sayle <roger@eyesopen.com>
8065 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8066 only equivalent if the have both the same mode and precision.
8068 2006-02-20 Ben Elliston <bje@au.ibm.com>
8070 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8072 2006-02-19 Roger Sayle <roger@eyesopen.com>
8073 Steven Bosscher <stevenb.gcc@gmail.com>
8075 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8076 constant pool references to identify stack mode constants.
8077 * rtlanal.c (constant_pool_constant_p): New predicate to check
8078 whether operand is a floating point constant in the pool.
8079 * rtl.h (constant_pool_constant_p): Prototype here.
8080 * loop.c (scan_loop): Avoid hoisting constants from the constant
8081 pool on STACK_REGS targets.
8082 (load_mems): Likewise.
8083 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8084 loads into x87 registers expensive in terms of register pressure.
8086 2006-02-19 Roger Sayle <roger@eyesopen.com>
8088 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8089 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8091 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8093 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8094 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8096 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8098 * doc/invoke.texi: Document -fipa-pta.
8099 * common.opt: Add ipa-pta option.
8100 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8101 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8102 (do_ds_constraint): Ditto.
8103 (get_constraint_for): Only add to referenced_vars if
8104 referenced_vars exists.
8105 (insert_into_field_list): Rewrite to do this unsorted.
8106 (insert_into_field_list_sorted): Rename old insert_into_field_list
8108 (create_function_info_for): Use insert_into_field_list_sorted.
8109 (create_variable_info_for): Rewrite so it uses unsorted version,
8110 since the field list is sorted.
8111 (intra_create_variable_infos): Only add to referenced_vars if
8112 referenced_vars exists.
8113 (ipa_pta_execute): Init heapvars, and delete when done.
8114 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8116 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8118 * doc/install.texi: Add missing `@samp'.
8120 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8122 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8125 2006-02-18 Mark Wielaard <mark@klomp.org>
8127 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8128 who added new 4.1 features, bug fixes and integration support.
8130 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8133 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8136 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8138 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8139 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8140 (copy_insn_1): Likewise. Don't copy each field individually.
8142 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8144 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8145 * rtl.c (rtx_size): Rename variable to...
8146 (rtx_code_size): ...this.
8147 (rtx_size): New function.
8148 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8149 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8151 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8152 * rtl.h (rtx_code_size): New variable.
8153 (rtx_size): Change from a variable to a function.
8154 (RTX_SIZE): Rename to...
8155 (RTX_CODE_SIZE): ...this.
8158 PR tree-optimization/17106
8159 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8160 (Anchored Addresses): New section.
8161 * doc/invoke.texi (-fsection-anchors): Document.
8162 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8163 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8164 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8165 * hooks.c (hook_bool_mode_rtx_false): New function.
8166 * hooks.h (hook_bool_mode_rtx_false): Declare.
8167 * gengtype.c (create_optional_field): New function.
8168 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8169 SYMBOL_REF_IN_BLOCK_P is true.
8170 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8171 (min_anchor_offset, max_anchor_offset): Likewise.
8172 (use_anchors_for_symbol_p): New hook.
8173 * toplev.c (compile_file): Call output_object_blocks.
8174 (target_supports_section_anchors_p): New function.
8175 (process_options): Check that -fsection-anchors is only used on
8176 targets that support it and when -funit-at-a-time is in effect.
8177 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8178 if the decl doesn't have one.
8179 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8180 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8181 of force_const_mem through use_anchored_address.
8182 (expand_expr_constant): New function.
8183 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8184 calling expand_expr for INDIRECT_REF.
8185 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8186 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8187 * expr.h (use_anchored_address): Declare.
8188 * loop-unroll.c: Don't declare rtx vectors here.
8189 * explow.c: Include output.h.
8190 (validize_mem): Call use_anchored_address.
8191 (use_anchored_address): New function.
8192 * common.opt (-fsection-anchors): New switch.
8193 * varasm.c (object_block_htab, anchor_labelno): New variables.
8194 (hash_section, object_block_entry_eq, object_block_entry_hash)
8195 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8196 (use_blocks_for_decl_p, change_symbol_section): New functions.
8197 (get_variable_section): New function, split out from assemble_variable.
8198 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8199 use_blocks_for_decl_p say so. Use change_symbol_section if the
8200 symbol has already been created.
8201 (assemble_variable_contents): New function, split out from...
8202 (assemble_variable): ...here. Don't output any code for
8203 block symbols; just pass them to place_block_symbol.
8204 Use get_variable_section and assemble_variable_contents.
8205 (get_constant_alignment, get_constant_section, get_constant_size): New
8206 functions, split from output_constant_def_contents.
8207 (build_constant_desc): Create a block symbol if use_object_blocks_p
8208 says so. Or into SYMBOL_REF_FLAGS.
8209 (assemble_constant_contents): New function, split from...
8210 (output_constant_def_contents): ...here. Don't output any code
8211 for block symbols; just pass them to place_section_symbol.
8212 Use get_constant_section and get_constant_alignment.
8213 (force_const_mem): Create a block symbol if use_object_blocks_p and
8214 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8215 (output_constant_pool_1): Add an explicit alignment argument.
8216 Don't switch sections here.
8217 (output_constant_pool): Adjust call to output_constant_pool_1.
8218 Switch sections here instead. Don't output anything for block symbols;
8219 just pass them to place_block_symbol.
8220 (init_varasm_once): Initialize object_block_htab.
8221 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8222 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8223 (place_block_symbol, get_section_anchor, output_object_block)
8224 (output_object_block_htab, output_object_blocks): New functions.
8225 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8226 (TARGET_ASM_OUT): Include it.
8227 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8228 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8229 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8230 (TARGET_INITIALIZER): Include them.
8231 * rtl.c (rtl_check_failed_block_symbol): New function.
8232 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8233 (block_symbol, object_block): New structures.
8234 (rtx_def): Add a block_symbol field to the union.
8235 (BLOCK_SYMBOL_CHECK): New macro.
8236 (rtl_check_failed_block_symbol): Declare.
8237 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8238 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8239 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8240 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8241 * output.h (output_section_symbols): Declare.
8242 (object_block): Name structure.
8243 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8244 (default_use_anchors_for_symbol_p): Declare.
8245 * Makefile.in (RTL_BASE_H): Add vec.h.
8246 (explow.o): Depend on output.h.
8247 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8248 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8249 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8250 (rs6000_use_blocks_for_constant_p): New function.
8252 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8254 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8256 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8259 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8262 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8264 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8268 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8271 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8272 instead of DECL_REGISTER.
8274 2006-02-18 Olivier Hainque <hainque@adacore.com>
8277 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8279 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8282 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8283 * opth-gen.awk: Handle Var and InverseMask together.
8284 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8285 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8286 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8287 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8289 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8290 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8291 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8292 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8293 LINUX_DYNAMIC_LINKER): Define.
8294 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8295 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8297 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8298 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8299 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8301 (TARGET_C99_FUNCTIONS): Don't define.
8302 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8303 GLIBC_DYNAMIC_LINKER.
8304 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8305 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8306 GLIBC_DYNAMIC_LINKER64): Define.
8307 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8308 LINUX_DYNAMIC_LINKER64.
8309 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8311 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8313 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8314 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8315 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8316 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8317 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8318 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8319 and LINUX_DYNAMIC_LINKER32.
8320 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8322 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8324 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8326 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8327 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8328 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8329 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8330 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8331 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8332 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8333 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8334 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8335 LINUX_DYNAMIC_LINKER): Define.
8336 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8337 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8338 GLIBC_DYNAMIC_LINKER64): Define.
8339 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8340 LINUX_DYNAMIC_LINKER64.
8341 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8342 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8343 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8344 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8345 LINUX_DYNAMIC_LINKER): Define.
8346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8347 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8348 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8349 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8350 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8351 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8352 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8353 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8354 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8355 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8357 * doc/invoke.texi (-muclibc): Remove caveat about supported
8360 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8362 * doc/cpp.texi (__TIMESTAMP__): Document.
8364 2006-02-17 Roger Sayle <roger@eyesopen.com>
8367 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8368 C is one less than the width of X (and related transformations).
8369 * simplify-rtx.c (simplify_unary_operation_1): Transform
8370 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8371 depending on STORE_FLAG_VALUE, were C is one less then the
8374 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8376 Fix PR tree-optimization/26341
8377 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8378 about NAME_MEMORY_TAG's.
8380 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8383 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8384 with hardware float support, and software float support. Add fcpy
8385 alternative to hardware patterns. Add alternatives to copy between
8386 general and floating-point registers to the 32-bit pattern.
8387 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8388 secondary reload to load a QI or HI mode constant into a floating
8390 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8391 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8393 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8396 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8398 (load_macho_picbase_di): Likewise.
8400 2006-02-16 Jeff Law <law@redhat.com>
8402 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8403 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8404 (ssa_name_nonzero_p): Likewise.
8405 (get_value_range): Return NULL if VRP is not running.
8406 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8407 VRP routines do not discover a range.
8408 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8409 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8410 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8411 (tree_expr_nonnegative_p): Similarly.
8412 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8413 (restore_nonzero_vars_to_original_value): Remove.
8414 (unsafe_associative_fp_binop): Remove.
8415 (tree_ssa_dominator_optimize): Remove initialization and
8416 finalization of nonzero_vars and nonzero_vars_stack.
8417 (dom_opt_initialize_block): No longer push marker on
8419 (dom_opt_finalize_block): No longer call
8420 restore_nonzero_vars_to_original_value.
8421 (record_equivalences_from_phis): No longer look for
8422 nonzero PHI arguments.
8423 (cprop_into_successor_phis): No longer propagate nonzero
8424 property into PHI arguments. Lose unused argument. Caller
8426 (record_equivalences_from_stmt): No longer record nonzero
8427 values for SSA_NAMEs.
8428 (lookup_avail_expr): No longer use nonzero_vars.
8430 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8431 for sizetype when sizetype is unsigned.
8433 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8435 PR rtl-optimization/25603
8436 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8437 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8438 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8439 with new meaning of SETS.
8441 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8446 * config/linux.opt: New file.
8447 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8448 LINUX_DYNAMIC_LINKER): Define.
8449 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8450 * config.gcc (*-*-linux*): Define extra_options.
8451 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8452 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8453 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8454 GLIBC_DYNAMIC_LINKER.
8455 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8456 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8457 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8459 * doc/invoke.texi (GNU/Linux Options): New section.
8461 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8463 * config/sparc/sparc.md (setjmp): Rewrite.
8464 (setjmp_32): Delete.
8465 (setjmp_64): Likewise.
8467 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8469 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8472 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8474 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8477 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8479 PR rtl-optimization/26296
8480 * Makefile.in (loop-invariant.c): Add except.h dependency.
8481 * loop-invariant.c: Include except.h.
8482 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8484 2005-02-16 Paul Brook <paul@codesourcery.com>
8486 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8489 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8491 PR rtl-optimization/25636
8492 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8493 when deciding whether an insn is an initializing insn.
8495 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8497 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8498 (tree_code_size): Ditto.
8499 * tree.h (struct tree_memory_tag): Remove parent_var.
8500 (struct tree_struct_field_tag): New.
8503 (union tree_node): Add sft member.
8504 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8506 (create_sft): Add size and offset argument, set SFT_OFFSET and
8508 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8509 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8510 * tree-flow-inline.h (get_subvar_at): Update for
8511 SFT_OFFSET/SFT_SIZE.
8512 (var_can_have_subvars): Ditto.
8513 (overlap_subvar): Ditto.
8514 * print-tree.c (print_node): Print out interesting things for
8516 * tree-flow.h (struct subvar): Remove offset and size members.
8517 * tree-ssa-operands.c (get_expr_operands): Update for
8518 get_indirect_ref_operands changes.
8519 (get_indirect_ref_operands): Call add_virtual_operand instead of
8520 add_stmt_operand. Only recurse on base var if requested.
8521 (access_can_touch_variable): New function.
8522 (add_stmt_operand): Split virtual operand handling into ...
8523 (add_virtual_operand): Here. Add offset, size, and for_clobber
8524 arguments. Prune alias sets.
8525 (add_call_clobber_ops): Call add_virtual_operand.
8527 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8530 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8532 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8533 than TREE_CODE as index into omp_clause_num_ops array.
8535 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8537 PR rtl-optimization/26184
8538 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8540 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8541 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8542 must_precede, must_follow and tobe_scheduled.
8545 * opts.c (common_handle_option): Free new_option pointer.
8546 * df-core.c (df_analyze): Free postorder pointer.
8548 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8550 * Makefile.in: Fix the examples about the use of stamps
8552 2006-02-15 Michael Matz <matz@suse.de>
8556 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8557 influenced by maximum_field_alignment or DECL_PACKED.
8558 (update_alignment_for_field): Ditto.
8559 (place_field): Ditto.
8560 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8563 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8565 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8566 (debug_flow_info): Pass it.
8567 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8568 * bb-reorder.c (reorder_basic_blocks): Likewise.
8569 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8570 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8571 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8572 * gcse.c (gcse_main, bypass_jumps): Likewise.
8573 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8574 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8575 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8576 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8577 * rtl.h (dump_flow_info): Adjust prototype.
8578 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8579 * var-tracking.c (variable_tracking_main): Likewise.
8580 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8581 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8584 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8586 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8589 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8591 PR tree-optimization/26209
8592 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8593 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8595 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8597 2006-02-14 Roger Sayle <roger@eyesopen.com>
8600 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8601 (X,Y) and the corresponding symmetry related transformations.
8602 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8603 (X,Y) and its symmetry related transformations.
8605 2006-02-14 Roger Sayle <roger@eyesopen.com>
8607 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8610 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8612 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8614 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8617 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8618 support COMDAT group.
8619 * configure: Regenerate.
8621 2006-02-14 Roger Sayle <roger@eyesopen.com>
8626 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8628 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8630 Fix PR tree-optimization/26260
8632 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8634 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8635 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8636 * tree-ssa-structalias.c (create_variable_info_for): Use
8637 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8639 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8641 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8643 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8644 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8645 of the ending condition.
8646 * tree-ssa-loop-manip.c: Include params.h.
8647 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8648 tree_unroll_loop): New functions.
8649 * tree-pass.h (pass_loop_prefetch): Declare.
8650 * loop.c (rest_of_handle_loop_optimize): Test for
8651 -fprefetch-loop-arrays-rtl.
8652 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8653 * timevar.def (TV_TREE_PREFETCH): New timevar.
8654 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8655 pass_loop_prefetch): New.
8656 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8657 (cleanup_tree_cfg_loop): Call scev_reset.
8658 * common.opt (fprefetch-loop-arrays-rtl): Add.
8659 * tree-ssa-loop-prefetch.c: New file.
8660 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8661 (new_temp_expr_table): Initialize expr_vars.
8662 (free_temp_expr_table): Cleanup expr_vars.
8663 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8664 expressions from being merged into one.
8665 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8666 (struct tree_niter_desc): Add control, bound and cmp fields.
8667 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8669 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8670 (tree-cfgcleanup.o): Add SCEV_H dependency.
8671 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8672 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8674 2006-02-14 Richard Guenther <rguenther@suse.de>
8676 PR tree-optimization/26258
8677 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8678 in PHI argument processing.
8680 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8682 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8683 new expression in the requested machine mode.
8685 2006-02-13 Roger Sayle <roger@eyesopen.com>
8687 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8688 directly, instead let do_compare_rtx_and_jump handle this for us.
8689 * expr.c (expand_expr_real_1): Likewise.
8690 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8691 before do_jump_by_parts_greater.
8692 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8693 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8695 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8697 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8699 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8701 PR rtl-optimization/26235
8702 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8703 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8706 2006-02-13 Jeff Law <law@redhat.com>
8708 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8711 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8714 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8715 twice if decl is a builtin. When trying again, call get_callee_fndecl
8716 first to verify it is still a builtin.
8718 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8720 * dwarf2out.c (base_type_die): Don't add AT_name here.
8721 (subrange_type_die): Don't add AT_name here.
8722 (modified_type_die): Rearrange code flow. Do add AT_name here.
8724 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8726 PR rtl-optimization/26247
8727 PR rtl-optimization/26248
8728 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8730 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8732 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8733 * config/fixtfdi.c: Likewise.
8734 * config/fixunstfdi.c: Likewise.
8735 * config/floatditf.c: Likewise.
8737 2006-02-13 Roger Sayle <roger@eyesopen.com>
8740 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8741 into (X,C2) if C1 is a subset of the bits of C2. Transform
8742 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8744 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8746 2006-02-13 Josh Conner <jconner@apple.com>
8749 * varasm.c (function_section): Check for section name before
8750 calling select_section on targets that define
8751 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8752 unlikely_text_section instead of hot_function_section if
8753 first_function_block_is_cold.
8755 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8758 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8760 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8762 PR rtl-optimization/26222
8763 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8764 after tree->rtl expansion.
8765 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8766 before passing it to emit_move_insn.
8768 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8770 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8772 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8773 Clarify documentation.
8774 * c-common.h (warn_write_strings): Remove.
8775 * c-common.c (warn_write_strings): Likewise.
8776 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8779 2006-02-12 Roger Sayle <roger@eyesopen.com>
8782 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8783 (do_jump_parts_zero_rtx): New function renamed from
8784 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8785 (do_jump_parts_equality_rtx): New function split out from
8786 do_jump_parts_equality. Old implementation renamed as above.
8787 Call do_jump_parts_zero_rtx if either operand is zero.
8788 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8789 do all of the heavy lifting.
8790 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8791 calling either do_jump_by_parts_greater_rtx or
8792 do_jump_by_parts_equality_rtx.
8793 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8794 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8795 moved to do_compare_rtx_and_jump, call it directly.
8796 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8797 mode argument. Call do_compare_rtx_and_jump.
8798 (emit_case_nodes): Update calls to do_jump_if_equal.
8800 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8802 PR rtl-optimization/26225
8803 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8805 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8807 PR rtl-optimization/26232
8808 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8810 2006-02-11 Jason Merrill <jason@redhat.com>
8813 * tree-inline.c (declare_return_variable): Just don't use the
8814 modify target if it's a gimple complex reg and the return slot
8817 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8819 * doc/contrib.texi: Update my entry.
8821 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8823 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8825 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8827 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8830 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8832 * doc/invoke.texi (-floop-optimize2): Removed.
8833 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8834 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8835 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8836 * common.opt (floop-optimize2): Removed.
8837 (fmove-loop-invariants): Enabled by default.
8839 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8841 * tree-if-conv.c (combine_blocks): Free the result of
8842 get_loop_exit_edges.
8844 2006-02-10 Jeff Law <law@redhat.com>
8846 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8848 PR tree-optimization/26213
8849 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8850 loop trying to follow SSA_NAME_VALUE chains.
8852 2006-02-10 Richard Guenther <rguenther@suse.de>
8854 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8855 deal with structures that end in implicitly variable sized arrays.
8857 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8859 PR rtl-optimization/24762
8860 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8863 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8865 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8866 (struct ivopts_data): Add regs_used field.
8867 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8868 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8869 instead of loop_data->regs_used;
8870 (free_loop_data): Do not free aux fields for loops.
8871 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8872 and tree_ssa_iv_optimize_finalize.
8874 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8876 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8878 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8881 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8882 computing the effective result type.
8884 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8887 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8888 (tree_overlaps_hard_reg_set): Declare.
8889 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8890 type and signature to match function type expected by walk_tree.
8891 (tree_overlaps_hard_reg_set): New function.
8892 (decl_conflicts_with_clobbers_p): Rename to:
8893 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8894 Use tree_overlaps_hard_reg_set. Changed caller.
8895 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8896 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8897 * cris.c (cris_md_asm_clobbers): Likewise.
8899 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8901 * reload1.c (emit_input_reload_insns): Delete code that tries to
8902 inherit using find_equiv_reg.
8904 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8906 * c-common.h (flag_const_strings): Don't declare.
8907 * c-common.c (flag_const_strings): Remove.
8908 * c.opt (fconst_strings): Remove.
8909 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8910 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8911 (c_common_init_options): Don't set flag_const_strings.
8912 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8914 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8916 * arm.md (tlobits_cbranch): New pattern.
8917 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8918 testing a single bit.
8920 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8923 * tree-ssa-pre.c (create_component_ref_by_pieces):
8924 Handle RETURN_DECL like VAR_DECL.
8926 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8929 * fold-const.c (fold_indirect_ref_1): Fold
8930 "*(foo *)&complexfoo" to "__real__ complexfoo"
8931 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8933 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8935 * tree-flow-inline.h (var_can_have_subvars):
8936 Volatile variables should not have subvariables.
8938 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8941 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8942 multiplying unsigned values.
8945 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8947 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8949 2006-02-08 Jason Merrill <jason@redhat.com>
8952 * tree.def: Elaborate on difference from MODIFY_EXPR.
8953 * doc/c-tree.texi (INIT_EXPR): Likewise.
8954 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8955 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8956 (gimplify_target_expr): Likewise.
8957 (gimplify_cond_expr): Remove target handling.
8958 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8959 (gimplify_expr): Clobber it here.
8960 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8961 Do return slot optimization if we have an INIT_EXPR.
8964 * tree-inline.c (declare_return_variable): Also clear
8965 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8968 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8971 * gimplify.c (gimplify_one_sizepos): Fix typo.
8973 2006-02-08 Jeff Law <law@redhat.com>
8975 PR tree-optimization/21417
8976 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8977 across a backedge if the control statement at the end of the
8978 block is data dependent on other statements in the same block.
8979 (record_temporary_equivalences_from_stmts): Remove over-conservative
8980 test for threading across backedges.
8982 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8983 control statement, handle all three special cases in the same
8984 manner as they all have the same desired solution. No longer
8985 special case edge flag updating when the post dominator is
8988 2006-02-08 Roger Sayle <roger@eyesopen.com>
8990 * tree.def (CHAR_TYPE): Remove.
8991 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8992 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8993 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8994 (gen_string_type_die): Delete unreachable function.
8996 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8997 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8998 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8999 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9000 * builtins.c (type_to_class): Likewise.
9001 * fold-const.c (fold_convert, build_range_check,
9002 merge_ranges): Likewise.
9003 * expr.c (count_type_elements): Likewise.
9004 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9005 * stor-layout.c (layout_type): Likewise.
9006 * ipa-type-escape.c (type_to_consider): Likewise.
9007 * gimplify.c (omp_firstprivatize_type_sizes,
9008 gimplify_type_sizes): Likewise.
9009 * explow.c (promote_mode): Likewise.
9010 * tree-sra.c (is_sra_scalar_type): Likewise.
9011 * varasm.c (output_constant): Likewise.
9012 * tree-inline.c (remap_type_1): Likewise.
9013 * convert.c (convert_to_pointer, convert_to_real,
9014 convert_to_integer, convert_to_complex): Likewise.
9016 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9018 * df-scan.c (df_def_record_1): A set destination may
9019 be a parallel regardless of mode.
9021 2006-02-08 Roger Sayle <roger@eyesopen.com>
9024 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9025 * config/mips/_tilib.c: Remove.
9026 * config/fixtfdi.c: New libgcc source file.
9027 * config/fixunstfdi.c: New source file.
9028 * config/floatditf.c: New source file.
9029 * config/floatunditf.c: New souce file.
9030 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9031 files above instead of config/mips/_tilib.c.
9032 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9034 2006-02-08 Jeff Law <law@redhat.com>
9036 PR tree-optimization/26169
9037 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9040 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9042 * df.h (DF_REG_SIZE): Return the length of the initialized
9045 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9047 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9048 __muldf3): Return a correctly signed zero.
9050 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9052 * passes.c (register_one_dump_file): Accept the current properties
9053 instead of pass number. Adjust call to dump_register. Remove
9055 (register_dump_files): Now a wrapper around...
9056 (register_dump_files_1): ... this one. Do not modify the pass
9058 (next_pass_1): Cosmetic fix.
9059 (execute_todo): Keep second parameter only. Use curr_properties
9060 instead of fetching it from the pass structure. Check and set
9062 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9063 instead of fetching it from the pass structure. Fix calls to
9064 execute_todo. Update curr_properties and initialize .vcg RTL dump
9065 after running the pass. Reset last_verified.
9066 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9068 (FIRST_AUTO_NUMBERED_DUMP): New.
9069 (dump_register): Remove "num" parameter, assign it within the
9071 (get_dump_file_name): Modify template for dumps.
9072 * tree-dump.h (dump_register): Adjust prototype.
9073 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9074 (PROP_trees): Add PROP_gimple_lomp.
9075 (TODO_set_props): New.
9076 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9077 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9078 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9080 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9082 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9083 (sparc64-*-linux*): Likewise.
9084 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9085 * config/sparc/t-linux: New file.
9086 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9087 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9088 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9089 -m32 -mlong-double-128.
9091 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9092 * config/alpha/t-linux: New file.
9093 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9095 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9096 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9097 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9098 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9099 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9100 (CPP_ARCH32_SPEC): Remove.
9102 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9104 PR tree-optimization/26145
9105 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9108 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9111 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9112 >= 240000 when generating code for SOM runtime.
9113 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9114 to $$dyncall when generating code for SOM runtime..
9116 2006-02-07 Dirk Mueller <dmueller@suse.com>
9119 * doc/invoke.texi (-Wsequence-point): Update documentation
9120 that -Wsequence-point is implemented for C++ as well.
9122 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9124 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9125 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9126 (LIB_SPEC): Likewise.
9127 * doc/invoke.texi (SPARC options): Document -pthread.
9129 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9131 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9134 2006-02-07 Roger Sayle <roger@eyesopen.com>
9136 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9137 Correct comment describing BOOLEAN_TYPE.
9139 2006-02-07 Dirk Mueller <dmueller@suse.com>
9141 * c.opt: C++ frontend supports -Wdiv-by-zero.
9142 * c-opts.c (c_common_handle_option): Remove dead case.
9144 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9146 * configure.ac (TLS assembler check): Do not enable TLS by
9147 default on SPARC/Solaris before version 10.
9148 * configure: Regenerate.
9150 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9152 * doc/invoke.texi (xl-compat): Document conversion and support
9155 2006-02-07 Jeff Law <law@redhat.com>
9157 * tree-vrp.c (find_conditional_asserts): Update comments.
9158 (simplify_stmt_for_jump_threading): New.
9159 (identify_jump_threads, finalize_jump_threads): New.
9160 (vrp_finalize): Call identify_jump_threads.
9161 (execute_vrp): Call finalize_jump_threads.
9162 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9163 (vrp_element, vrp_data, vrp_element_p): Remove.
9164 (vrp_hash_elt, vrp_variables_stack): Remove.
9165 (vrp_hash, vrp_eq, record_range): Remove.
9166 (simplify_cond_and_lookup_avail_expr): Remove.
9167 (extract_range_from_cond): Remove.
9168 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9169 (simplify_stmt_for_jump_threading): New.
9170 (dom_thread_across_edge): New wrapper.
9171 (tree_ssa_dominator_optimize): No longer initialize or
9172 finalize any of the VRP datastructures. Remove iteration
9173 step and simplify as a result of removal of iteration step.
9174 (pass_dominator): Perform a cfg cleanup after DOM.
9175 (dom_opt_finalize_block): Use the new common routines
9176 for threading jumps. Simplify stack management slightly.
9177 No longer need to unwind VRP state.
9178 (record_equivalences_from_incoming_edge): No longer record
9180 (eliminate_redundant_computations): No longer call
9181 simplify_cond_and_lookup_avail_expr.
9182 * tree-flow.h (potentially_threadable_block): Prototype.
9183 (thread_across_edge): Likewise.
9184 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9185 (tree-ssa-threadedge.o): Add dependencies.
9186 * tree-ssa-threadedge.c: New file.
9187 * passes.c (init_optimization_passes): Merge PHIs before
9188 calling VRP. Run VRP again late in the SSA optimization pipeline.
9190 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9192 * df-core.c (df_set_blocks): Do not dereference function pointers.
9193 (df_finish1): Likewise.
9194 (df_hybrid_search_forward): Likewise.
9195 (df_hybrid_search_backward): Likewise.
9196 (df_iterative_dataflow): Likewise.
9197 (df_analyze_problem): Likewise.
9198 (df_compact_blocks): Likewise.
9199 (df_dump): Likewise.
9200 * df-scan.c (df_rescan_blocks): Likewise.
9201 (df_record_entry_block_defs): Likewise.
9203 * genconditions.c (write_conditions): Guard the definition of
9204 'insn_conditions' with the check on GCC version.
9205 (write_writer): Guard the traversal 'insn_conditions' with
9206 the check on GCC version.
9208 2006-02-07 Richard Guenther <rguenther@suse.de>
9212 2006-01-30 Richard Guenther <rguenther@suse.de>
9214 * gimplify.c (gimplify_target_expr): Handle easy cases
9215 without creating a temporary.
9217 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9219 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9220 use of float in probability computations. Use edge probabilities
9221 in place of statically computed probabilities.
9222 (min_spec_prob): New static variable.
9223 (schedule_insns): Initialize it.
9224 (GET_SRC_PROB): Removed.
9225 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9227 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9230 * config/ia64/unwind-ia64.c: Revert last change.
9231 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9232 (INCOMING_FRAME_SP_OFFSET): Define.
9234 2006-02-06 Roger Sayle <roger@eyesopen.com>
9236 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9238 2006-02-07 Ben Elliston <bje@au.ibm.com>
9240 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9241 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9242 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9243 (ix86_return_in_memory): Handle TDmode.
9244 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9245 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9247 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9249 * reorg.c (dbr_schedule): Use dump_file instead of file.
9251 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9254 * config/ia64/predicates.md (extr_len_operand): New predicate.
9255 * config/ia64/ia64.md (extv): Tighten constraints.
9257 (*tbit_and_2): Ditto.
9258 (*tbit_and_3): Ditto.
9259 (*tbit_or_2): Ditto.
9260 (*tbit_or_3): Ditto.
9264 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9267 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9269 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9271 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9272 loop_optimizer_init and loop_optimizer_finalize
9273 * tree-ssa-sink.c (execute_sink_code): Ditto.
9274 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9275 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9276 tree_ssa_loop_done): Ditto.
9277 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9278 * sched-ebb.c: Include output.h.
9279 (schedule_ebbs): Do not use dump argument.
9280 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9281 * loop.c (loop_dump_stream): Removed.
9282 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9284 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9285 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9286 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9287 loop_iterations, strength_reduce, record_biv, record_giv,
9288 final_giv_value, check_final_value, check_ext_dependent_givs,
9289 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9290 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9291 dump_file instead of loop_dump_stream.
9292 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9294 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9296 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9297 * haifa-sched.c: Include output.h
9298 (schedule_insns, sched_init): Do not use dump argument.
9299 * mode-switching.c (optimize_mode_switching): Ditto.
9300 * modulo-sched.c (stats_file): Removed.
9301 (print_node_sched_params): Do not call argument dump_file.
9302 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9303 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9305 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9307 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9308 rtl_loop_init, rtl_loop_done): Ditto.
9309 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9310 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9312 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9313 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9314 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9315 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9316 * emit-rtl.c (renumber_insns): Ditto.
9317 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9318 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9319 * regclass.c (regclass): Ditto.
9320 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9321 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9322 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9323 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9325 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9326 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9328 * gcse.c (gcse_file, debug_stderr): Removed.
9329 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9330 rest_of_handle_gcse): Do not use dump argument.
9331 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9332 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9333 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9334 compute_code_hoist_vbeinout, compute_code_hoist_data,
9335 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9336 compute_store_table, build_store_vectors, insert_insn_start_bb,
9337 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9338 store_motion): Use dump_file instead of gcse_file.
9339 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9340 * profile.c (profile_dump_file): Removed.
9341 (branch_prob): Use dump_file instead of profile_dump_file.
9342 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9344 * tree-ssa-copy.c (dump_copy_of): Ditto.
9345 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9346 dump file to life_analysis.
9347 * bt-load.c (branch_target_load_optimize): Ditto.
9348 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9350 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9351 regclass, dbr_schedule): Declaration changed.
9352 * sched-int.h (sched_init): Declaration changed.
9353 * tree-profile.c (tree_profile_dump_file): Removed.
9354 (tree_profile_hooks): Removed profile_dump_file hook.
9355 * rtl-profile (rtl_profile_dump_file): Removed.
9356 (rtl_profile_hooks): emoved profile_dump_file hook.
9357 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9359 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9360 * tree-cfg.c (build_tree_cfg): Ditto.
9361 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9362 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9363 Declaration changed.
9364 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9365 life_analysis and schedule_insns.
9366 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9368 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9370 * config/mips/mips.c (mips_reorg): Ditto.
9371 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9374 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9376 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9377 (s390_mangle_fundamental_type): New.
9378 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9381 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9382 (alpha_mangle_fundamental_type): New.
9383 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9386 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9388 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9390 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9391 (sparc_mangle_fundamental_type): New.
9393 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9395 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9396 (s390x-*-linux*): Likewise.
9397 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9398 * config/s390/t-linux: New file.
9400 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9402 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9403 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9405 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9407 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9408 (ANTIC_SAFE_LOADS): New macro.
9409 (find_or_generate_expression): Add prototype.
9410 (set_contains_value): Allow null set for sake of not always having
9411 to allocate ANTIC_SAFE_LOADS.
9412 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9413 Allow COMPONENT_REF too.
9414 (valid_in_set): Allow COMPONENT_REF.
9415 Check ANTIC_SAFE_LOADS too.
9416 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9417 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9419 (can_PRE_operation): Add COMPONENT_REF.
9420 (create_component_ref_by_pieces): New function.
9421 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9422 (insert_aux): Move AGGREGATE_TYPE_P check here.
9423 (compute_avail): Set bb local stmt uids.
9424 (pass_pre): Use TODO_update_ssa_only_virtuals.
9426 2006-02-06 Ben Elliston <bje@au.ibm.com>
9428 * configure.ac: Unconditionally disable decimal float by default.
9429 * configure: Regenerate.
9431 2006-02-06 Ben Elliston <bje@au.ibm.com>
9433 * read-rtl.c (read_name): Terminate reading on EOF.
9435 2006-02-06 Ben Elliston <bje@au.ibm.com>
9437 * dfp.c (decimal_real_arithmetic): Change second argument type
9438 from int to enum tree_code. Do not always return true, but now
9439 return result of any call to decimal_do helper functions.
9440 * dfp.h (decimal_real_arithmetic): Update prototype.
9442 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9444 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9446 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9449 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9452 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9454 * tree-vrp.c (cfg_loops): Removed.
9455 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9456 Use current_loops instead of cfg_loops. Pass flags to
9457 loop_optimizer_init.
9458 * cfgloopmanip.c (fix_loop_structure): Update only available
9460 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9461 loop_optimizer_init.
9462 * modulo-sched.c (build_loops_structure): Removed.
9463 (sms_schedule): Use loop_optimizer_init.
9464 * loop-init.c (loop_optimizer_init): Use flags to determine
9465 which properties of loops to prepare.
9466 (rtl_loop_init): Pass flags to loop_optimizer_init.
9467 * tree-ssa-sink.c (execute_sink_code): Ditto.
9468 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9469 * tree-ssa-pre.c (init_pre): Ditto.
9470 * cfgloop.h (LOOPS_NORMAL): New.
9471 (loop_optimizer_init): Declaration changed.
9473 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9475 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9476 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9478 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9480 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9482 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9483 * pa/t-pa64: Delete quadlib.c rule.
9484 * pa/x-ada: Revert last change.
9485 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9487 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9489 PR rtl-optimization/26087
9490 * rtlanal.c (canonicalize_condition): Do not cross basic block
9493 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9496 * config/ia64/ia64.c: Include debug.h.
9497 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9498 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9499 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9500 (process_epilogue, process_set, process_for_unwind_directive):
9501 Output unwind info only if requested. Add CFA info if requested.
9502 Add new arguments as needed. Adjust callers.
9503 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9505 (DWARF2_FRAME_INFO): Define to zero.
9506 * config/ia64/unwind-ia64.c: Remove code that compensated for
9507 the CFA offset error fixed above.
9508 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9509 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9510 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9511 -funwind-tables and -fexceptions to enable frame info.
9512 (dwarf2out_frame_init): Define initial CFA even if
9513 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9514 DWARF2_UNWIND_INFO is nonzero, not just defined.
9515 (dwarf2out_frame_finish): Output non-EH call frame info only
9516 if DWARF2_FRAME_INFO is nonzero.
9517 (convert_cfa_to_loc_list,
9518 compute_frame_pointer_to_cfa_displacement): Define even if
9519 unwind info is not supported.
9520 (gen_subprogram_die): Use the above unconditionally. Remove
9521 legacy alternate code.
9522 * toplev.c (compile_file): Compile in call to
9523 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9524 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9526 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9527 Jakub Jelinek <jakub@redhat.com>
9529 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9530 IBM extended float format long double as "g" on powerpc*-linux.
9532 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9535 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9536 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9538 2006-02-03 Jason Merrill <jason@redhat.com>
9541 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9544 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9545 on the return slot if it's an NRV.
9547 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9549 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9550 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9551 rewrite_use): Do not handle USE_OUTER.
9552 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9553 add_iv_outer_candidates, may_replace_final_value,
9554 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9555 (find_interesting_uses_op): Functionality of
9556 find_interesting_uses_outer_or_nonlin moved here.
9557 (find_interesting_uses_outside): Use find_interesting_uses_op.
9559 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9562 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9564 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9565 Ulrich Weigand <uweigand@de.ibm.com>
9568 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9569 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9570 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9571 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9573 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9574 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9575 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9576 Define secondary reloads for TFmode moves.
9577 (constant_modes): Add TFmode.
9578 (NR_C_MODES): Set to 8.
9579 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9581 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9582 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9583 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9584 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9585 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9586 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9587 (FPR mode macro): Add TFmode.
9588 (DSF mode macro): New.
9589 (<de>, <dee> mode attributes): Removed.
9590 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9591 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9592 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9593 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9594 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9595 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9596 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9597 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9598 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9599 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9600 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9601 "*negabs<mode>2", "sqrt<mode>2"):
9602 Changed <de> to <xde>. R constraint replaced by <Rf>.
9603 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9605 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9606 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9607 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9609 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9610 "extenddftf2", "extendsftf2"): New expanders.
9611 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9612 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9613 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9614 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9616 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9617 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9618 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9619 __floatditf): Add a GCC_4.1.0 symbol version tag.
9620 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9623 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9626 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9627 Use targetm.binds_local_p instead of TREE_PUBLIC.
9629 2006-02-02 Roger Sayle <roger@eyesopen.com>
9631 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9632 on INTEGER_TYPEs to indicate that it denotes a character type.
9633 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9634 signed_char_type_node, unsigned_char_type_node and char_type_node.
9635 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9636 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9637 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9639 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9640 Daniel Berlin <dberlin@dberlin.org>
9642 * tree-tailcall.c (arg_needs_copy_p): New function.
9643 (eliminate_tail_call): Use arg_needs_copy_p.
9644 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9645 (add_virtual_phis): New function.
9647 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9649 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9650 #ignore instead of #scratch for %g7 .register directive.
9652 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9654 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9657 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9659 * flow.c (calculate_global_regs_live): Assert that there aren't any
9662 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9664 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9666 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9667 bsi_after_labels iterator.
9668 * tree-if-conv.c (find_phi_replacement_condition,
9669 replace_phi_with_cond_modify_expr): Likewise.
9670 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9671 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9673 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9675 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9677 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9680 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9681 array after growing it.
9683 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9686 * fold-const.c (fold_checksum_tree): Change type of buf.
9688 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9690 * reload.c (push_secondary_reload): Initialize t_icode.
9692 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9694 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9695 -msoft-float -mlong-double-128 only issue a warning, but don't
9696 swich to DFmode long double.
9698 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9700 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9701 has a constant equivalent, iterate over equivalents for arg0,
9702 calling simplify_relational_operation and if there's a result
9703 cheaper than X, apply fold_rtx and return the result.
9705 2006-02-01 Jan Hubicka <jh@suse.cz>
9707 * opts.c (no_unit_at_a_time_default): New global variable.
9708 (decode_options): Use it.
9709 * opts.h (no_unit_at_a_time_default): Declare.
9711 2006-02-01 Paul Brook <paul@codesourcery.com>
9713 * function.c (assign_parm_setup_reg): Use function argument promotion
9715 * expr.c (expand_expr_real_1): Use function argument promotion rules
9718 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9720 * gcc.c (process_command): Change j to 'unsigned int'.
9722 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9725 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9726 Use the corrected index for the character
9727 out of the string constant.
9729 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9731 * mode-switching.c (optimize_mode_switching): Fix size
9732 allocated for bb_info[n_entities].
9734 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9736 * gcc.c (main): Correct type that is allocated for
9737 explicit_link_files.
9739 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9741 * config/s390/s390.c (init_alignment_context): Set
9742 ALIAS_SET_MEMORY_BARRIER on the MEM.
9743 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9745 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9748 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9750 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9753 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9755 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9756 * regrename.c: Ditto.
9757 * tree-ssa-loop-im.c: Ditto.
9758 * tree-dump.c: Ditto.
9759 * tree-complex.c: Ditto.
9760 * genrecog.c: Ditto.
9761 * tree-ssa-threadupdate.c: Ditto.
9763 * java/class.c: Ditto.
9764 * java/jcf-parse.c: Ditto.
9765 * java/resource.c: Ditto.
9766 * java/except.c: Ditto.
9767 * java/jvspec.c: Ditto.
9768 * java/jcf-write.c: Ditto.
9769 * java/jcf-path.c: Ditto.
9770 * java/gjavah.c: Ditto.
9771 * java/zextract.c: Ditto.
9772 * java/jcf-io.c: Ditto.
9773 * java/jcf.h: Ditto.
9774 * java/buffer.c: Ditto.
9775 * java/lang.c: Ditto.
9776 * java/parse-scan.y: Ditto.
9777 * java/lex.c: Ditto.
9778 * java/lex.h: Ditto.
9779 * cfgloopmanip.c: Ditto.
9780 * postreload-gcse.c: Ditto.
9781 * tree-ssa-loop-manip.c: Ditto.
9782 * postreload.c: Ditto.
9783 * tree-ssa-loop-ch.c: Ditto.
9787 * diagnostic.c: Ditto.
9789 * genoutput.c: Ditto.
9791 * cfghooks.c: Ditto.
9792 * cfgloopanal.c: Ditto.
9793 * objc/objc-act.c: Ditto.
9795 * genextract.c: Ditto.
9796 * genautomata.c: Ditto.
9797 * pretty-print.c: Ditto.
9799 * cgraphunit.c: Ditto.
9802 * haifa-sched.c: Ditto.
9803 * dominance.c: Ditto.
9805 * tree-ssa-loop-ivopts.c: Ditto.
9807 * mode-switching.c: Ditto.
9808 * modulo-sched.c: Ditto.
9810 * ipa-pure-const.c: Ditto.
9812 * fix-header.c: Ditto.
9814 * tree-stdarg.c: Ditto.
9815 * ipa-utils.c: Ditto.
9816 * loop-init.c: Ditto.
9817 * ipa-inline.c: Ditto.
9820 * alloc-pool.c: Ditto.
9821 * dwarf2out.c: Ditto.
9823 * genattrtab.c: Ditto.
9824 * tree-ssa-loop-ivcanon.c: Ditto.
9828 * fortran/gfortranspec.c: Ditto.
9830 * local-alloc.c: Ditto.
9831 * langhooks.c: Ditto.
9832 * function.c: Ditto.
9833 * tree-vectorizer.c: Ditto.
9835 * ipa-type-escape.c: Ditto.
9837 * tree-if-conv.c: Ditto.
9840 * tree-data-ref.c: Ditto.
9841 * loop-unroll.c: Ditto.
9842 * treelang/treetree.c: Ditto.
9845 * ggc-common.c: Ditto.
9847 * coverage.c: Ditto.
9849 * tree-cfgcleanup.c: Ditto.
9850 * tree-ssa-pre.c: Ditto.
9851 * cfgcleanup.c: Ditto.
9852 * loop-invariant.c: Ditto.
9854 * ipa-prop.c: Ditto.
9855 * print-tree.c: Ditto.
9856 * conflict.c: Ditto.
9857 * ggc-page.c: Ditto.
9858 * sched-deps.c: Ditto.
9859 * regclass.c: Ditto.
9860 * tree-object-size.c: Ditto.
9862 * bb-reorder.c: Ditto.
9863 * resource.c: Ditto.
9864 * var-tracking.c: Ditto.
9866 * df-problems.c: Ditto.
9867 * reg-stack.c: Ditto.
9870 * sched-rgn.c: Ditto.
9871 * tree-ssa-structalias.c: Ditto.
9872 * tree-ssa-reassoc.c: Ditto.
9873 * config/darwin-c.c: Ditto.
9874 * config/darwin.c: Ditto.
9875 * config/arm/arm.c: Ditto.
9877 * collect2.c: Ditto.
9880 2006-01-31 Nicolas Pitre <nico@cam.org>
9882 * arm.md (smaxsi3): Make aware of smax_m1.
9885 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9887 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9889 2006-01-31 Richard Guenther <rguenther@suse.de>
9891 * doc/invoke.texi (-msselibm): Document.
9892 * target.h (expand_library_builtin): New target hook.
9893 * builtins.c (expand_builtin): Use expand_library_builtin.
9894 (default_expand_library_builtin): New function.
9895 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9896 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9897 (link_gcc_math_spec): Declare.
9898 (static_specs): Add link_gcc_math_spec.
9899 * expr.h (default_expand_library_builtin): Declare.
9900 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9901 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9902 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9903 * config/i386/i386.opt (msselibm): New target option.
9904 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9905 (ix86_init_sse_abi_builtins): New function.
9906 (ix86_expand_library_builtin): Likewise.
9907 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9908 (override_options): Handle error conditions wrt -msselibm.
9909 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9910 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9911 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9914 2006-01-31 Richard Guenther <rguenther@suse.de>
9915 Paolo Bonzini <bonzini@gnu.org>
9917 * doc/install.texi (--disable-libgcc-math): Document.
9919 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9921 * expr.h (expand_normal): new inline function.
9922 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9924 * dwarf2out.c: use it.
9929 * config/sparc/sparc.c: use it.
9930 * config/i386/i386.c: use it.
9931 * config/rs6000/rs6000.c: use it.
9932 * config/arm/arm.c: use it.
9933 * config/mips/mips.c: use it.
9934 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9936 2006-01-30 Roger Sayle <roger@eyesopen.com>
9938 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9939 argv to the appropriate type.
9941 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9943 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9946 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9949 * config/s390/s390.c (struct machine_function): New flag
9950 decomposed_literal_pool_addresses_ok_p.
9951 (s390_reorg): Set it before final stage of literal pool transforms.
9952 (s390_decompose_address): Only accept displacements of the form
9953 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9955 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9957 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9958 the comparison routine return.
9960 2006-01-30 Michael Matz <matz@suse.de>
9962 * global.c (find_reg): Only evict for global regs.
9963 Take n_refs into account and dump more info.
9965 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9968 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9969 (pragma_trap, pragma_nosave_low_regs): Likewise.
9970 (current_function_anonymous_args): Likewise.
9971 (sh_deferred_function_attributes): New variable.
9972 (sh_deferred_function_attributes_tail): Likewise.
9973 (print_operand): For '@', look up trap_exit attribute.
9974 (calc_live_regs): Look up trapa_handler attribute. For trapa
9975 handlers, save/restore fpscr, but don't do any other
9976 interrupt-specific saves.
9977 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9978 Fix check for partially saved registers to check for SHmedia.
9979 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9980 (sh_output_function_epilogue): Don't clear any of the removed
9982 (sh_insert_attributes): Don't check pragma_interrupt.
9983 Insert deferred attributes. Check that interrupt attribute is
9984 present for other attributes that require its presence.
9985 (sh_attribute_table): Add new attributes trapa_handler and
9987 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9988 Don't check for pragma_interrupt. Don't store argument.
9989 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9990 (sh_deferred_function_attributes): Declare.
9991 (sh_deferred_function_attributes_tail): Likewise.
9992 * sh.md (sp_switch_1): Add operand. Change generator caller.
9993 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9994 (*return_i): Don't use when trap_exit attribute is in effect.
9995 (*return_trapa): New insn pattern.
9997 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9998 setting c_target_objs and cxx_target_objs.
9999 * t-sh: Add rule for sh-c.o.
10001 2006-01-30 Richard Guenther <rguenther@suse.de>
10004 * gimplify.c (gimplify_target_expr): Handle easy cases
10005 without creating a temporary.
10007 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10009 * vec.h (safe_grow): Remove duplicated line.
10011 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10014 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10015 (expand_omp): ... here.
10016 (expand_omp_parallel): Only remove barriers for combined
10017 parallel+workshare constructs.
10019 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10023 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10024 * tree.c (build_qualified_type): Chain the new type to the original
10025 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10026 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10027 (build_pointer_type_for_mode): Only return unqualified types.
10028 (build_reference_type_for_mode): Likewise.
10030 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10032 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10033 * Makefile.in (CXX_COMPAT_WARN): Define.
10034 * configure: Regenerate.
10036 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10039 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10042 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10044 * toplev.c: Fix thinko.
10046 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10047 Marcin Dalecki <martin@dalecki.de>
10049 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10050 (push_srcloc): Use XNEW.
10051 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10053 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10055 * df-core.c (df_set_blocks): Deleted all variable.
10057 2006-01-28 Ian Lance Taylor <ian@airs.com>
10059 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10060 cgraph_output_pending_asms.
10062 2006-01-28 Zack Weinberg <zackw@panix.com>
10064 * c.opt: Add -W(no-)overlength-strings.
10065 * doc/invoke.texi: Document it.
10066 * c-opts.c (c_common_handle_option): -pedantic implies
10067 -Woverlength-strings, if not explicitly disabled already.
10068 (c_common_post_options): -Woverlength-strings defaults to off, and
10069 is always off for C++.
10070 * c-common.c (fix_string_type): Issue warning about strings longer
10071 than is portable only if warn_overlength_strings. Rearrange code
10072 a little for clarity.
10073 * configure.in: Check for -Wno-overlength-strings as well before
10074 enabling -pedantic in stage 1.
10075 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10076 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10078 * genconditions.c (write_header, write_one_condition)
10079 (write_conditions, write_writer): Consolidate very long strings
10080 that were broken up to fit in C89 portable limit. Don't use
10081 printf when fputs will do.
10083 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10085 * combine.c (simplify_comparison <AND>): Check
10086 TRULY_NOOP_TRUNCATION before start using a subreg.
10088 * config/mips/mips.md (*branch_zero<mode>,
10089 *branch_zero<mode>_inverted, *branch_equality<mode>,
10090 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10091 Remove mode check from comparisons.
10093 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10095 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10097 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10099 * expmed.c (const_mult_add_overflow_p): Remove.
10100 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10102 * recog.c (validate_replace_rtx_subexp): Remove.
10103 * recog.h: Remove the prototype for
10104 validate_replace_rtx_subexp.
10106 * integrate.h: Remove the prototype for
10107 copy_decl_for_inlining.
10108 * rtl.h: Remove the prototype for mark_constant_function.
10109 * tree-vectorizer.h: Remove the prototype for
10110 vect_strip_conversion.
10112 * modulo-sched.c (create_partial_schedule,
10113 free_partial_schedule, reset_partial_schedule): Make them
10116 * hooks.c (hook_bool_rtx_int_false): Remove.
10117 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10119 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10121 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10122 and -mlong-double-128 are incompatible.
10123 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10124 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10125 (TARGET_LIBGCC2_CFLAGS): Define.
10126 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10127 (TARGET_LIBGCC2_CFLAGS): Same.
10128 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10130 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10133 * c-typeck.c (build_binary_op): Perform implicit casts of
10134 operands before shortening them.
10136 * cfgloopmanip.c (split_loop_bb): Remove.
10137 * cfgloop.h: Remove the prototype for split_loop_bb.
10139 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10140 * cfgloop.h: Remove the prototype for
10141 flow_loop_outside_edge_p.
10143 * emit-rtl.c (init_virtual_regs): Make it static.
10144 * function.h: Remove the prototype for init_virtual_regs.
10146 * recog.c (peephole2_optimize): Make it static.
10147 * recog.h: Remove the prototype for peephole2_optimize.
10149 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10151 * df-scan.c (df_record_entry_block_defs): Check if
10152 INCOMING_RETURN_ADDR_RTX is defined.
10154 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10155 Kenneth Zadeck <zadeck@naturalbridge.com>
10157 PR rtl-optimization/24762
10158 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10159 * targhooks.c (hook_void_bitmap): New hook prototype.
10160 * targhoohs.h (hook_void_bitmap): Ditto.
10161 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10162 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10163 * target.h (live_on_entry): New function pointer.
10164 * df-scan.c (df_all_hard_regs): Removed.
10165 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10166 (df_scan_free_internal): Added df->entry_block_defs.
10167 (df_scan_alloc): Ditto.
10168 (df_scan_dump): Ditto.
10169 (df_uses_record): Plumbed flag field properly thru calls.
10170 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10171 This part fixes PR24762.
10172 (df_bb_refs_record): Added code to make the frame and arg
10173 pointers live in EH blocks.
10174 (df_refs_record): Added call to df_record_entry_block_defs.
10175 (df_record_entry_block_defs): New function.
10176 * df-core.c: Added comments to describe new artifical defs.
10177 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10178 (entry_block_defs): New field in struct df.
10179 (df_all_hard_regs): Deleted.
10180 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10181 * df-problems.c (df_ru_bb_local_compute_process_def):
10182 Added code to handle artifical defs in the entry to a function.
10183 (df_ru_bb_local_compute): Ditto.
10184 (df_rd_bb_local_compute_process_def): Ditto.
10185 (df_rd_bb_local_compute): Ditto.
10186 (df_lr_bb_local_compute): Ditto.
10187 (df_ur_bb_local_compute): Ditto.
10188 (df_urec_bb_local_compute): Ditto.
10189 (df_chain_create_bb): Ditto.
10190 (df_ur_local_finalize): Removed entry.
10191 (df_urec_init): Ditto.
10192 (df_urec_local_finalize): Ditto.
10193 (df_ri_bb_compute): Added detection of last use of pseudos.
10194 * Makefile.in (df-scan.o): Updated dependencies.
10195 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10196 * config/mips/mips.c (mips_set_live_on_entry): Added.
10197 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10199 * dce.c (marked_insn_p): Added code to handle artifical defs.
10201 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10203 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10205 (_mm_cvtsi128_si64): Likewise.
10206 (_mm_cvtsd_si64): Likewise.
10207 (_mm_cvttsd_si64): Likewise.
10208 (_mm_cvtsi64_sd): Likewise.
10209 (_mm_cvtsi64_si128): Likewise.
10210 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10211 (_mm_cvtsi64_m64): Likewise.
10212 (_m_to_int64): Likewise.
10213 (_mm_cvtm64_si64): Likewise.
10214 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10215 (_mm_cvttss_si64): Likewise.
10216 (_mm_cvtsi64_ss): Likewise.
10217 (_mm_cvtss_f32): Likewise.
10219 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10221 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10222 for pragma redefine_extname.
10224 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10227 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10228 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10229 -mno-minimal-toc to previous content.
10230 (bispecs): Remove goal.
10231 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10232 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10233 compatibility aliases on powerpc-*-*gnu*.
10234 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10235 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10236 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10237 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10238 (ldblspecs): New goal.
10239 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10240 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10242 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10243 L_sf_to_tf or L_df_to_tf is defined.
10245 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10246 Alan Modra <amodra@bigpond.net.au>
10249 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10250 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10251 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10252 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10253 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10254 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10255 (rs6000_override_options): Initialize rs6000_ieeequad.
10256 Initialize TFmode format to ibm_extended_format if not
10258 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10260 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10261 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10262 (function_arg_advance): IBM long double passed in two FPRs, not
10264 (function_arg): IBM long double passed in FPRs.
10265 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10266 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10267 Only multireg GPR aligned.
10268 (rs6000_init_libfuncs): Enable IBM long double functions if not
10270 (rs6000_generate_compare): Use IBM long double compare if not
10272 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10273 (TARGET_IEEEQUAD): Define.
10274 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10275 not TARGET_IEEEQUAD.
10276 * config/rs6000/rs6000.md: Enable TFmode patterns if
10278 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10279 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10280 and -mlong-double-128 are incompatible.
10281 * doc/invoke.texi (-mabi): Collect options together. Add
10282 ibmlongdouble and ieeelongdouble.
10284 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10286 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10288 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10289 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10290 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10291 * rtl.h (rtunion_def): Remove rt_ptr.
10293 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10294 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10295 * config/i386/winnt.c (i386_pe_mark_dllexport)
10296 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10298 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10300 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10302 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10306 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10307 pthread_key_delete. From John David Anglin. gthrw-ify
10308 pthread_getunique_np only if it it's not a macro. Delete
10310 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10311 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10312 __gthread_objc_condition_signal, __gthread_key_delete): Add
10313 "__attribute__ ((__unused__))" to unused arguments.
10314 (__gthread_recursive_mutex_init_function): Add missing return.
10315 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10316 gthr-posix95.h: Use macro-based approach for name redirection
10317 on targets missing weakref.
10319 2006-01-26 Zack Weinberg <zackw@panix.com>
10321 * genconditions.c (write_header): In generated code, #ifdef out
10322 all includes and fake declarations, except includes of bconfig.h
10323 and system.h, unless GCC_VERSION >= 3001. Do not include
10324 gensupport.h in any case.
10325 (write_conditions): Generate a definition of struct c_test. Add
10326 a comment to the generated #endif.
10327 (write_one_condition): Escape backslashes in string too.
10328 (write_writer): Generated code must escape backslashes and quote
10329 marks (but not newlines) in the strings it writes.
10330 * Makefile.in (build/gencondmd.o): Update dependencies.
10332 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10335 * Makefile.in (insn-automata.o): Add header file dependencies.
10336 * genautomata.c: Add includes.
10338 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10341 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10343 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10345 * configure.ac: Expect target tools paths to be passed from the toplevel
10346 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10348 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10350 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10353 * c.opt (Wpointer-sign): Init to -1.
10354 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10355 OPT_pedantic, to 0 otherwise.
10356 * doc/invoke.texi: Update.
10358 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10360 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10361 constants provided by 80387 instructions in the destination mode.
10363 2006-01-26 Richard Guenther <rguenther@suse.de>
10364 Andrew Pinski <pinskia@physics.uc.edu>
10367 partial PR tree-opt/17064
10368 * tree-ssa-structalias.c (intra_create_variable_infos):
10369 Create heap variables for incoming parameters if
10370 flag_argument_noalias > 1.
10371 (find_what_p_points_to): Look through default defs of
10374 2006-01-26 Jeff Law <law@redhat.com>
10377 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10378 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10379 within the VR_RANGE, use the VR_RANGE as the result, not the
10381 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10382 bounds for the type.
10384 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10386 * tree-ssa-alias.c (maybe_create_global_var): Change
10387 subvar walking to an assertion that we don't have subvar'd variables.
10389 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10392 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10393 Use a new variable, inner. PARM_DECLs are always non-weak.
10395 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10397 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10398 --disable-checking.
10400 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10402 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10404 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10406 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10407 (smax_insn, smin_insn, smax_0, smin_0): New.
10409 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10412 * config/cris/cris.c (cris_order_for_addsi3): New function.
10413 * config/cris/cris-protos.h: Prototype it.
10414 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10415 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10416 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10417 (split for "op.S1 [rx=rx+i],ry (swapped)")
10418 (split for "op(s|u).S1 [rx=rx+i],ry")
10419 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10420 Apply cris_order_for_addsi3 when generating addsi3 insns.
10422 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10424 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10425 (TREE_BLOCK): Add call to EXPR_CHECK.
10427 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10430 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10431 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10432 (dump_omp_clauses): ... here.
10433 (dump_generic_node): Handle OMP_CLAUSE.
10434 * tree.c (omp_clause_num_ops): New.
10435 (omp_clause_code_name): New.
10436 (tree_code_size): Handle OMP_CLAUSE.
10437 (tree_size): Likewise.
10438 (make_node): Document handling of OMP_CLAUSE.
10439 (tree_node_structure): Handle OMP_CLAUSE.
10440 (omp_clause_check_failed): New.
10441 (omp_clause_range_check_failed): New.
10442 (omp_clause_operand_check_failed): New.
10443 (build_omp_clause): New.
10444 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10445 * tree.h (enum omp_clause_code): Declare.
10446 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10447 (OMP_CLAUSE_RANGE_CHECK): Define.
10448 (OMP_CLAUSE_ELT_CHECK): Define.
10449 (omp_clause_check_failed): Declare.
10450 (omp_clause_operand_check_failed): Declare.
10451 (omp_clause_range_check_failed): Declare.
10452 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10453 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10454 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10455 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10456 (OMP_CLAUSE_IF_EXPR): Likewise.
10457 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10458 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10459 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10460 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10461 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10462 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10463 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10464 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10465 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10466 (OMP_CLAUSE_CODE): Define.
10467 (OMP_CLAUSE_SET_CODE): Define.
10468 (OMP_CLAUSE_CODE): Define.
10469 (OMP_CLAUSE_OPERAND): Define.
10470 (struct tree_omp_clause): Declare.
10471 (union tree_node): Add field 'omp_clause'.
10472 * treestruct.def (TS_OMP_CLAUSE): Define.
10473 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10474 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10475 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10476 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10477 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10478 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10479 (OMP_CLAUSE): Define.
10480 * print-tree.c (print_node): Handle OMP_CLAUSE.
10481 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10482 * c-typeck.c: Likewise.
10483 * gimplify.c: Likewise.
10484 * c-omp.c: Likewise.
10485 * tree-nested.c: Likewise.
10486 * tree-inline.c: Likewise.
10487 * c-parser.c: Likewise.
10488 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10491 2006-01-25 Roger Sayle <roger@eyesopen.com>
10493 PR rtl-optimization/25703
10494 * combine.c (try_combine): Handle zero_extract and strict_low_part
10495 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10497 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10499 * global.c: Fix comment typos.
10501 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10504 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10505 Use output_addr_const instead of assemble_name.
10507 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10509 * Makefile.in (sched-vis.o): Update dependencies.
10510 * haifa-sched.c (sched_finish): Clear current_sched_info.
10511 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10512 (dump_flow_info): Call it.
10513 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10515 * basic-block.h (dump_bb_info): Declare.
10516 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10517 option, and apply options only for dump files whose TDF_RTL,
10518 TDF_TREE, or TDF_IPA bits match.
10519 * rtl.h: Declare new functions exported from sched-vis.c.
10520 * sched-vis.c: Enable also if scheduling is not used.
10521 (print_value): Print the mode of registers if not inside scheduling.
10522 (print_insn): Make it work outside the scheduler. Beautify the output
10524 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10526 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10528 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10529 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10530 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10531 depending on the value of CONSTANT_POOL_ADDRESS_P.
10532 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10534 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10535 rather than SYMBOL_REF_DECL.
10536 (rtx_constant_pool): Remove const_rtx_sym_htab.
10537 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10538 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10539 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10540 Remove handling of const_rtx_sym_htab.
10541 (find_pool_constant): Delete.
10542 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10543 rather than find_pool_constant.
10544 (get_pool_constant_for_function): Delete.
10545 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10546 find_pool_constant.
10547 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10548 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10549 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10550 (SYMBOL_REF_CONSTANT): New macro.
10551 (get_pool_constant_for_function): Delete.
10552 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10553 rather than SYMBOL_REF_DECL.
10554 (i386_pe_mark_dllimport): Likewise.
10555 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10556 rather than SYMBOL_REF_DECL.
10557 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10558 (machopic_indirect_call_target): Likewise.
10560 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10562 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10564 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10566 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10568 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10570 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10572 2006-01-24 David Daney <ddaney@avtrex.com>
10575 * configure.ac (enable_tls): New enable option.
10576 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10577 * configure: Regenerate.
10578 * doc/install.texi (--enable-tls): Document new option.
10579 (--disable-tls): Ditto.
10581 2006-01-24 Richard Henderson <rth@redehat.com>
10583 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10584 * alias.c (true_dependence): Respect it.
10585 (canon_true_dependence, write_dependence_p): Likewise.
10586 * builtins.c (get_builtin_sync_mem): Set it.
10588 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10590 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10593 2006-01-24 DJ Delorie <dj@redhat.com>
10595 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10596 for storing constants in single-bit bitfields.
10598 2006-01-25 Ben Elliston <bje@au.ibm.com>
10600 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10602 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10605 * tree-ssa-pre.c (phi_translate): Return NULL
10606 for AGGREGATE_TYPE's.
10608 2006-01-24 Zack Weinberg <zackw@panix.com>
10610 * genautomata.c (process_state_for_insn_equiv_partition):
10611 Use xcalloc for insn_arcs_array.
10612 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10613 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10615 2006-01-24 Richard Henderson <rth@redhat.com>
10617 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10618 update all callers.
10620 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10622 PR rtl-optimization/25890
10623 PR rtl-optimization/25905
10624 * combine.c (expand_compound_operation, expand_field_assignment):
10625 Fail if the bitfield's final position is out of bounds.
10627 2006-01-24 Ian Lance Taylor <ian@airs.com>
10629 PR middle-end/25930
10630 * cgraphunit.c (cgraph_output_in_order): Don't clear
10631 cgraph_asm_nodes until after asm strings have been output.
10633 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10635 * fix-header.c (read_scan_file): Add new parameter imultilib when
10636 calling register_include_chains.
10638 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10640 * omp-low.c: Update documentation.
10642 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10643 Daniel Berlin <dberlin@dberlin.org>
10647 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10648 return from the function.
10650 2006-01-22 Zack Weinberg <zackw@panix.com>
10652 * rtl.def (match_code): Add second argument.
10653 * genpreds.c (write_extract_subexp): New function.
10654 (write_match_code): Add path argument. Use write_extract_subexp.
10655 (write_predicate_expr): Pass path to write_match_code.
10656 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10657 not perform a mode test.
10658 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10659 a subexpression does not constrain the top-level code set.
10660 * read-rtl.c (read_rtx_variadic): New function.
10661 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10662 * doc/md.texi: Document new notation.
10663 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10664 (cmpsi_operand): ... here, using new notation.
10666 2006-01-22 Zack Weinberg <zackw@panix.com>
10668 * varray.c: Remove GENERATOR_FILE #ifdefs.
10670 2006-01-22 Zack Weinberg <zackw@panix.com>
10672 * genautomata.c (output_reserved_units_table): Emit nothing if
10673 description->query_units_num is zero. Remove extra blank line.
10674 (output_cpu_unit_reservation_p): Short circuit
10675 if description->query_units_num is zero.
10677 2006-01-22 Zack Weinberg <zackw@panix.com>
10679 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10680 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10681 nor any of the random handful of variables that used to be necessary
10682 when this program was linked with rtlanal.o. Prune set of forward
10683 function declarations.
10684 (struct attr_desc): Remove static_p field.
10685 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10686 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10687 (attr_string): Do not read the character one past the length of
10689 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10690 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10691 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10692 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10693 (make_automaton_attrs): New.
10694 (main): Do not call into genautomata. Call local gen_bypass
10695 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10696 Remove special case for insn_alts.
10697 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10698 varray.h (leftover from previous change). Prune set of forward
10699 function declarations. Remove state_alts fields from all
10700 structures. Remove state_alts_table from struct automaton.
10701 Make everything except main static. Do not maintain num_dfa_decls.
10702 Do not maintain state_alts fields of various structures.
10703 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10704 (add_arc): Remove state_alts argument. All callers updated.
10705 (output_reserved_units_table): Emit #ifdef here...
10706 (output_tables): ...not here. Don't generate state_alts tables.
10707 (expand_automata): Don't generate attributes.
10708 (write_automata): Don't generate state_alts functions.
10709 (main): New function.
10710 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10711 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10712 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10713 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10714 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10715 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10716 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10717 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10719 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10720 * genattrtab.h: Delete file.
10721 * Makefile.in (OBJS-common): Add insn-automata.o.
10722 (insn-automata.o): New rule.
10723 (simple_generated_c): Add insn-automata.c.
10724 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10725 (genprogmd): Add automata.
10726 (build/genattrtab): Needs no extra objects nor libraries.
10727 (build/genautomata): Needs build/vec.o and -lm.
10729 2006-01-22 Zack Weinberg <zackw@panix.com>
10731 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10732 (output_dfa_max_issue_rate, locked_states_num): Delete.
10733 (struct automaton): Add locked_states field.
10734 (output_dead_lock_vect): Save number of locked states in
10735 automaton->locked_states. If it is zero, don't print anything.
10736 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10737 (output_internal_dead_lock_func): Only test the dead_lock_vect
10738 for automata that have locked states.
10739 (output_statistics): Always print the number of locked states for
10740 each automaton. Calculate total number of locked states here.
10741 (write_automata): Don't call output_dfa_max_issue_rate.
10742 * genattrtab.c: Define length_unit_log as a const variable.
10743 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10744 max_insn_queue_index const.
10745 * final.c (length_unit_log): Declare const.
10746 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10748 2006-01-22 Zack Weinberg <zackw@panix.com>
10750 * genautomata.c: Include vec.h, not varray.h.
10751 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10752 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10753 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10754 VEC_* macros operating on appropriately typed vectors, or to
10755 malloced arrays when the size is known in advance. Const-ify
10756 many char* variables and function arguments. No functional changes.
10757 * Makefile.in (build/varray.o): Delete rule.
10758 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10759 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10761 2006-01-22 Zack Weinberg <zackw@panix.com>
10763 * gensupport.c: Define get_insn_name and record_insn_name here.
10764 (read_md_rtx): Call record_insn_name as appropriate.
10765 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10766 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10767 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10769 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10770 (BUILD_VARRAY): Delete.
10771 (genprognormal): Rename genprogmd. Fold in all programs from
10772 genprognoprint; also attrtab.
10773 (build/genattrtab): Just mention genautomata.o and varray.o.
10774 Reorganize a bit, add comments to make the categories clearer.
10776 2006-01-22 Zack Weinberg <zackw@panix.com>
10778 * genconditions.c (condition_table, add_condition): Delete.
10779 (write_conditions): Don't emit n_insn_conditions nor
10780 insn_elision_unavailable. Issue the gcc version #ifdef here,
10781 inside the table, with no #else clause ...
10782 (write_header): ...not here.
10783 (write_writer): New function.
10784 (main): Don't initialize condition_table. Use add_c_test.
10786 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10787 files on the command line.
10788 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10789 Return -1 if there is no entry in the table, don't abort.
10790 (add_c_test, traverse_c_tests): New functions.
10791 * gensupport.h (insn_elision_unavailable, insn_conditions)
10792 (n_insn_conditions): Delete declarations.
10793 (add_c_test, traverse_c_tests): Declare.
10794 * read-rtl.c: Include gensupport.h.
10795 (read_conditions): New function.
10796 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10797 (read_rtx_1): If we get EOF when we were looking for an initial
10798 open paren, return 0. Call read_conditions when appropriate.
10799 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10800 dummy-conditions.o. Eliminate references to insn-conditions.o,
10801 or change them to build/gencondmd.o, as appropriate. Remove
10802 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10803 from $(simple_generated_c). For all files remaining in those
10804 two lists, add insn-conditions.md to the generator command line.
10805 Give insn-constants.h/s-constants their own rules. Add rules
10806 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10807 (build/read-rtl.o): Depend on gensupport.h.
10808 (genprognormal): Include preds.
10809 (genprogearly): Rename genprognoprint; only difference is now that
10810 they don't link with $(BUILD_PRINT).
10811 * dummy-conditions.c: Delete.
10813 2006-01-22 Zack Weinberg <zackw@panix.com>
10815 * genextract.c: Don't include insn-config.h. Do include vec.h.
10816 Declare vectors of int, char, and locstr.
10817 (locstr): New typedef.
10818 (struct extraction): Make all array fields into bare pointers.
10819 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10820 (insn_code_number): Delete.
10821 (accum_extract): New struct.
10822 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10823 (gen_insn): Take insn_code_number as an argument. Use an
10824 accum_extract structure instead of loading data directly into
10825 a struct extraction, and having to know how big it might get.
10826 (walk_rtx): Operate entirely on an accum_extract structure.
10827 (print_path): Avoid unnecessary use of printf.
10828 (print_header): New function, split out of main. Distinguish
10829 more carefully between an unrecognizable insn and an insn that
10830 has the code number of a define_expand.
10831 (main): Pass insn_code_number to gen_insn. Call print_header
10832 only after parsing. Avoid unnecessary use of printf.
10833 * Makefile.in (build/vec.o): New rule.
10834 (build/genextract): Depend on build/vec.o.
10835 (build/genextract.o): Don't depend on insn-config.h.
10837 2006-01-22 Zack Weinberg <zackw@panix.com>
10839 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10840 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10841 practical. Eliminate per-generator-program link rules.
10843 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10845 PR middle-end/24437
10846 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10847 with a call expr to ...
10848 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10850 2006-01-23 Richard Guenther <rguenther@suse.de>
10852 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10853 before make_edge with conditional EDGE_TRUE_VALUE.
10855 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10856 Jan Hubicka <jh@suse.cz>
10857 Richard Guenther <rguenther@suse.de>
10859 PR rtl-optimization/25654
10860 * cfgexpand.c (aggregate_contains_union_type): New function.
10861 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10862 for structure variables that contain a union type.
10864 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10866 * gengtype.c (new_structure): Return the structure.
10867 (create_option): Add an extra "next" argument.
10868 (create_field): New function.
10869 (adjust_field_rtx_def): Use create_option and create_field.
10870 Remove a now-unnecessary call to find_structure.
10871 (adjust_field_tree_def): Likewise.
10872 (note_yacc_type): Remove an unnecessary call to find_structure.
10873 * gengtype.h (new_structure): Return the structure.
10874 (create_option): Add an extra argument.
10875 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10876 (option): Adjust calls to create_option.
10878 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10880 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10882 2006-01-22 Paul Brook <paul@codesourcery.com>
10883 Peter Barada <peter@the-baradas.com>
10885 * config/m68k/m68k.md: Add Coldfire FPU support.
10886 Define FP mode macro and associated attributes.
10887 Use it for float mode patterns.
10888 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10889 (LIBCALL_VALUE): Use m68k_libcall_value.
10890 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10891 (m68k_function_value): Ditto.
10892 (emit_move_sequence): Ditto.
10893 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10894 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10895 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10896 (MULTILIB_EXCEPTIONS): Ditto.
10897 * config/m68k/m68k.opt: Add mcfv4e.
10898 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10899 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10900 (m68k_output_function_prologue): Save ColdFire FPU registers.
10901 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10902 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10903 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10904 ColdFire FPU registers.
10905 (m68k_libcall_value, m68k_function_value): New functions.
10906 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10907 (LIBCALL_VALUE): Use m68k_libcall_value.
10908 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10909 (MASK_COLDFIRE): Add MASK_CFV4E.
10910 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10911 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10912 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10913 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10914 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10915 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10916 * doc/invoke.tex: Document -mcfv4e on m68k.
10918 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10920 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10923 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10926 * c-opts.c (c_common_handle_option): Don't include
10927 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10928 * doc/invoke.texi (C++ Dialect Options): Document that
10929 -Wnon-virtual-dtor is no longer included in -Wall.
10931 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10933 * gcov.c (print_version), gcov-dump.c (print_version),
10934 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10937 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10939 * df-scan.c (problem_SCAN): Added NULL reset function.
10940 (df_scan_reset_blocks): Added code to call reset block function
10941 (df_bb_refs_delete) Fixed comment.
10942 (df_insn_refs_delete): Made tolerant of deleting non existent info
10943 for dataflow problems that need to be reset.
10944 * df-core.c (df_set_blocks): Ditto.
10945 * df.h (struct df_problem): Added reset_fun.
10946 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10947 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10948 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10949 functions to clear out all references to def-use or use-def chains.
10951 2006-01-21 Ben Elliston <bje@au.ibm.com>
10953 * varasm.c (assemble_real): Initialise data array.
10955 2006-01-20 Paul Brook <paul@codesourcery.com>
10957 Merge from csl-arm-branch.
10958 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10959 * config/arm/arm.md (movdi): Force operands[1] to a register
10960 if we have a non-register source.
10961 (*arm_movdi, *movdf_soft_insn): Require that one of the
10962 operands be a register.
10963 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10964 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10966 2006-01-20 DJ Delorie <dj@redhat.com>
10968 * varasm.c (initializer_constant_valid_p): Allow pointers
10969 initialized from integer constants of lesser precision.
10970 (output_constant): Allow non-int-sized pointer modes to be
10971 initialized from integer constants.
10973 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10976 * cppdefault.h (struct default_include): Add multilib flag.
10977 * cppdefault.c (cpp_include_defaults): Set it.
10978 * c.opt (-imultilib): New option.
10979 * c-opts.c (imultilib): New.
10980 (c_common_handle_option): Handle -imultilib.
10981 (c_common_post_options): Likewise.
10982 * c-incpath.c (add_standard_paths, register_include_chains):
10984 * c-incpath.h (register_include_chains): Add extra parameter.
10985 * gcc.c (do_spec_1): Generate -imultilib option.
10986 (The Specs Language): Update %I description.
10987 (process_command): Update copyright notice.
10988 * doc/cppopts.texi (-imultilib): Document.
10989 * doc/invoke.texi (-imultilib): Include in option summary.
10990 (%I): Update specs documentation.
10992 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10994 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10996 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10998 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11001 2006-01-20 Richard Guenther <rguenther@suse.de>
11002 Steven Bosscher <stevenb.gcc@gmail.com>
11004 PR rtl-optimization/24626
11005 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11006 EDGE_TRUE_VALUE if in RTL mode.
11009 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11010 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11012 2006-01-20 Dirk Mueller <dmueller@suse.com>
11015 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11016 instead of a special NOP marker.
11017 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11018 NOP marker handling.
11019 * c-common.h (empty_body_warning): Add forward declaration.
11020 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11021 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11023 2006-01-20 Paul Brook <paul@codesourcery.com>
11025 * Makefile.in (lang_checks): Keep going if mkdir fails.
11027 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11029 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11030 be able to clean out basic block when not necessary.
11031 (df_scan_free): Fixed to properly delete information if df is
11032 unused before calling df_finish.
11033 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11034 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11036 (df_bb_refs_delete): New function.
11037 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11038 * df-core.c (df_set_blocks): Added code to properly clean out
11039 unused blocks if they are not part of the blocks to consider.
11040 Added additional null check.
11041 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11042 be able to clean out basic block when not necessary
11043 * df.h (df_free_bb_function): Ditto.
11044 (df_bb_refs_delete): New function.
11045 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11046 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11047 basic block parameter to be able to clean out basic block when not
11049 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11050 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11051 Fixed to properly delete information if df is unused before
11054 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11056 PR rtl-optimization/25799
11057 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11058 Corrected confluence operator to remove bits from op2 before oring
11059 with op1 rather than removing bits from op1.
11060 (df_ru_transfer_function): Corrected test on wrong bitmap which
11061 caused infinite loop. Both of these problems were introduced in
11062 the dataflow rewrite.
11064 2006-01-19 DJ Delorie <dj@redhat.com>
11066 * reload1.c (find_reload_regs): Note the details of reload
11067 failures in the dump file.
11068 (spill_failure): Likewise.
11070 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11072 * loop-iv.c: Include df.h and hashtab.h.
11073 (enum iv_grd_result): New enum.
11074 (DF_REF_IV, DF_REF_IV_SET): New macros.
11075 (struct biv_entry): New.
11076 (df, bivs): New global variables.
11077 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11078 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11080 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11081 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11082 analyzed_for_bivness_p, record_biv): New functions.
11083 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11084 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11085 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11087 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11089 (iv_number_of_iterations): Use new interface to iv analysis.
11090 * loop-unroll.c: Do not include varray.h.
11091 (analyze_iv_to_split_insn): Use new interface to iv
11093 * loop-unswitch.c (may_unswitch_on): Ditto.
11094 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11096 (df_bb_modify): Realloc tables to the new index.
11097 (df_find_use): New function.
11098 * df.h (df_find_use): Declare.
11099 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11101 * cfgloop.h (struct rtx_iv): Remove analysed field.
11102 (iv_get_reaching_def): Removed.
11103 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11104 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11105 (loop-iv.o): Add df.h and hashtab.h dependency.
11106 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11108 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11111 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11113 (__floatundisf, __floatundidf): Likewise.
11114 * libgcc2.h (IS_IBM_EXTENDED): Define.
11116 2006-01-19 DJ Delorie <dj@redhat.com>
11118 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11120 2006-01-19 Paul Brook <paul@codesourcery.com>
11122 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11123 as nothrow when unwinding tables are disabled.
11125 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11128 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11129 of bit-field" when in system header.
11131 2006-01-19 DJ Delorie <dj@redhat.com>
11133 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11134 the 16 bit shift limit of the m16c.
11136 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11139 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11140 * config/i386/i386.c (output_set_got): Output the label if we have one
11141 for the TARGET_DEEP_BRANCH_PREDICTION case.
11143 2006-01-19 Jan Hubicka <jh@suse.cz>
11144 H.J. Lu <hongjiu.lu@intel.com>
11145 Evandro Menezes <evandro.menezes@amd.com>
11147 * invoke.texi (generic): Document
11149 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11150 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11151 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11152 (x86_use_incdec, x86_pad_returns): New variables
11153 (TARGET_CPU_DEFAULT_generic): New constant
11154 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11155 (enum processor_type): Add generic32 and generic64.
11156 * i386.md (cpu attribute): Add generic32/generic64
11157 (movhi splitter): Behave sanely when both partial_reg_dependency and
11158 partial_reg_stall are set.
11159 (K8 splitters): Enable for generic as well.
11160 * predicates.md (incdec_operand): Use TARGET_INCDEC
11161 (aligned_operand): Avoid memory mismatch stalls.
11162 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11163 * ppro.md: Enable for generic32
11164 * i386.c (generic64_cost, generic32_cost): New.
11165 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11166 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11167 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11168 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11169 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11170 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11171 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11172 x86_accumulate_outgoing_args, x86_prologue_using_move,
11173 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11174 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11175 Enable for generic.
11176 (x86_use_incdec, x86_pad_returns): New.
11177 (override_options): Add generic32 and generic64, translate "generic"
11178 to generic32/generic64 and "i686" to "generic32", refuse
11179 "generic32"/"generic64" as arch target.
11180 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11181 (ix86_reorg): Honor PAD_RETURNS.
11183 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11185 * tree-pretty-print.c (dump_generic_node): Handle
11186 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11187 * cgraph.c (cgraph_expand_queue): Rename from
11188 cgraph_analyze_queue. Update all users.
11189 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11190 cgraph_expand_queue.
11191 (cgraph_expand_all_functions): Likewise.
11192 (cgraph_finalize_pending_functions): Remove. Update callers.
11194 * tree.h (OMP_DIRECTIVE_P): Define.
11195 (OMP_PARALLEL_FN): Define.
11196 (OMP_PARALLEL_DATA_ARG): Define.
11197 (OMP_SECTIONS_SECTIONS): Define.
11198 * tree-pass.h (pass_expand_omp): Declare.
11199 * omp-low.c (struct omp_region): Declare.
11200 (struct omp_context): Remove fields 'parallel_type',
11201 'parallel_start_ix' and 'parallel_start_additional_args'.
11203 (struct omp_for_data): Rename from struct expand_omp_for_data.
11204 (omp_regions): New static variable.
11205 (root_omp_region): New static variable.
11206 (find_omp_clause): Make static.
11207 (is_in_combined_parallel_ctx): Remove.
11208 (is_combined_parallel): New.
11209 (extract_omp_for_data): Move earlier in the file.
11210 (workshare_safe_to_combine_p): New.
11211 (get_ws_args_for): New.
11212 (determine_parallel_type): Move earlier in the file.
11213 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11215 (omp_copy_decl): Likewise.
11216 (create_omp_child_function): Likewise.
11217 (lookup_omp_region): New.
11218 (dump_omp_region): New.
11219 (debug_omp_region): New.
11220 (debug_all_omp_regions): New.
11221 (new_omp_region): New.
11222 (scan_omp_parallel): If parallel_nesting_level > 1, the
11223 directive is nested within another parallel directive.
11224 Set OMP_PARALLEL_FN.
11225 (scan_omp_for): Do not try to handle combined parallel+for
11227 Remove FIXME comment.
11228 (scan_omp_nested): Remove.
11229 (scan_omp_1): Do not call scan_omp_nested when
11230 parallel_nesting_level is > 1.
11231 Do not change the DECL_CONTEXT of local variables found.
11232 (lookup_decl_in_outer_ctx): New.
11233 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11234 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11235 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11236 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11237 If CTX is nested, lookup VAR in the outer context when
11238 building copy assignment.
11239 (lower_send_clauses): Rename from expand_send_clauses.
11240 If CTX is nested, lookup VAR in the outer context when
11241 building copy assignments.
11242 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11243 If CTX is nested, lookup VAR in the outer context when
11244 building copy assignments.
11245 (expand_parallel_call): Rename from build_parallel_call.
11246 Handle combined parallel+workshare cases.
11247 Re-implement to emit code into the CFG.
11249 (expand_omp_parallel): Re-implement to emit code into the CFG.
11250 Call move_sese_region_to_fn to outline the sub-graph
11251 containing the parallel region.
11252 (expand_omp_for_1): Remove.
11253 (expand_omp_for_generic): Re-implement to emit code into the
11255 (expand_omp_for_static_nochunk): Likewise.
11256 (expand_omp_for_static_chunk): Likewise.
11257 (expand_omp_for): Likewise.
11258 (expand_omp_sections): Likewise.
11259 (remove_exit_barriers): New.
11260 (expand_omp_synch): New.
11262 (build_omp_regions_1): New.
11263 (build_omp_regions): New.
11264 (execute_expand_omp): New.
11265 (gate_expand_omp): New.
11266 (pass_expand_omp): Define.
11267 (lower_omp_sections): Rename from expand_omp_sections.
11268 Set OMP_SECTIONS_SECTIONS.
11269 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11270 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11271 (lower_omp_single): Rename from expand_omp_simple.
11272 (lower_omp_master): Rename from expand_omp_master.
11273 (lower_omp_ordered): Rename from expand_omp_ordered.
11274 (lower_omp_critical): Rename from expand_omp_critical.
11275 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11276 (lower_omp_for): Re-implement.
11277 (lower_omp_parallel): Re-implement.
11278 (lower_regimplify): Rename from expand_regimplify.
11279 (lower_omp_1): Rename from expand_omp_1.
11280 If there are syntax errors in the program, replace every
11281 OpenMP directive with NOP.
11282 Call lower_omp_* instead of expand_omp_*.
11283 (lower_omp): Rename from expand_omp.
11285 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11286 * tree-gimple.h (enum omp_parallel_type): Remove.
11287 (gimple_boolify): Declare extern.
11288 (find_omp_clause, determine_parallel_type): Remove.
11290 * gimple-low.c (lower_omp_directive): New.
11291 (lower_stmt): Call it.
11292 (record_vars_into): Move from ...
11293 (record_vars): ... here.
11294 Call record_vars_into with current_function_decl.
11296 * gimplify.c (struct gimplify_ctx): Remove fields
11297 combined_pre_p and combined_ctxp. Update users.
11298 (get_formal_tmp_var): Add documentation.
11299 (gimple_boolify): Make extern.
11300 (gimplify_expr_in_ctx): Remove. Update callers.
11301 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11302 will always be a BIND_EXPR.
11303 (gimplify_expr): Handle OMP_RETURN_EXPR.
11304 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11305 (OMP_PARALLEL): Add 3 operands.
11306 (OMP_SECTIONS): Add 1 operand.
11307 (OMP_RETURN_EXPR): Define.
11309 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11310 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11311 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11312 creating a circular free list.
11313 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11315 * tree-flow.h (move_sese_region_to_fn): Declare.
11316 (record_vars_into): Declare.
11317 * tree-cfg.c (make_omp_sections_edges): New.
11318 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11319 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11320 OMP_SECTIONS and OMP_SECTION.
11321 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11322 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11323 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11324 (gather_blocks_in_sese_region): New.
11325 (struct move_stmt_d): Declare.
11326 (move_stmt_r): New.
11327 (move_block_to_fn): New.
11328 (move_sese_region_to_fn): New.
11330 * passes.c (init_optimization_passes): Schedule
11331 pass_expand_omp after pass_init_datastructures.
11333 * tree-ssa-operands.c (get_expr_operands): Handle
11334 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11335 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11337 2006-01-19 Jeff Law <law@redhat.com>
11339 * tree-vrp.c (extract_range_from_assert): Refine the result range
11340 if the variable referenced by the ASSERT_EXPR has a range and
11341 either the tentative result range or the previous range is a
11344 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11346 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11348 2006-01-19 Jan Hubicka <jh@suse.cz>
11350 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11352 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11354 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11355 (expand_compound_operation, expand_field_assignment): Fail if the
11356 bit lengths of an extract operation are out of range.
11357 (make_extraction): Compute wanted_inner_mode based on the position
11358 and length of the extraction. Make it extraction_mode for non-constant
11359 positions, and do not modify offset in that case. When generating a
11360 new MEM, use a mode that can hold the extraction while keeping correct
11361 alignment. Remove code that supported MEMs wrapped by USEs.
11362 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11364 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11366 * config/s390/s390.md ("Y", "y"): New mode attribute.
11367 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11368 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11369 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11370 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11371 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11372 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11373 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11374 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11375 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11376 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11377 "addsi3", "subsi3"): Insn patterns removed.
11378 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11379 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11380 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11381 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11382 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11383 "*sub<mode>3_cconly2"): New insn patterns.
11384 ("addsi3", "subsi3"): New expanders.
11386 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11388 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11389 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11390 existing STMT_VINFO_VECTYPE if available.
11391 (vect_mark_relevant): Add special handling for stmts that are
11392 marked as STMT_VINFO_IN_PATTERN_P.
11393 (vect_analyze_loop): Call vect_pattern_recog.
11394 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11395 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11397 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11398 (vect_recog_func_ptr): New function-pointer type.
11399 * tree-vect-patterns.c: New file.
11400 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11401 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11402 (vect_pattern_recog_1): New functions.
11403 (vect_pattern_recog_funcs): New array of function pointers.
11405 * tree-vectorizer.h (ternary_op): New enum value.
11406 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11407 declaration. Revised documentation. Removed redundant dump prints.
11408 Removed redundant argument. Added support for reduction patterns.
11409 (vectorizable_reduction): Added support for reduction patterns.
11410 (vect_transform_stmt): Added support for patterns.
11412 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11413 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11414 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11415 (expand_widen_pattern_expr): New function.
11416 (init_optabs): Initialize new optabs udot_prod_optab,
11418 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11419 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11420 (expand_widen_pattern_expr): New function declaration.
11421 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11423 * tree-inline.c (estimate_num_insns_1): Added cases for new
11424 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11425 * tree-pretty-print.c (dump_generic_node): Likewise.
11426 (op_prio): Likewise.
11427 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11428 * tree-ssa-operands.c (get_expr_operands): Added case for
11430 * tree-vect-patterns.c (widened_name_p): New function.
11431 (vect_recog_dot_prod_pattern): Added function implementation.
11432 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11433 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11434 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11435 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11437 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11438 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11439 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11440 (init_optabs): Initialize new optabs widen_ssum_optab,
11442 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11443 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11444 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11445 use instead of type of def.
11446 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11447 function implementation.
11448 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11449 widen_ssumv8hi): New.
11451 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11454 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11457 * c-decl.c (add_flexible_array_elts_to_size): New function.
11458 (finish_decl): Use it.
11460 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11462 * diagnostic.h: Include options.h.
11463 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11464 dependancies for diagnostic.h.
11465 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11467 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11469 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11470 (ssa_ro_call_cache_valid): Ditto.
11471 * tree-ssa-alias.c (sort_tags_by_id): New function.
11472 (init_transitive_clobber_worklist): Ditto.
11473 (add_to_worklist): Ditto.
11474 (mark_aliases_call_clobbered): Ditto.
11475 (compute_tag_properties): Ditto.
11476 (set_initial_properties): Ditto.
11477 (compute_call_clobbered): Ditto.
11478 (compute_may_aliases): Call compute_call_clobbered and grouping.
11479 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11480 (compute_flow_insensitive_aliasing): Grouping now happens in our
11482 (setup_pointers_and_addressables): Remove clobbering related code.
11483 (add_may_alias): Ditto.
11484 (replace_may_alias): Ditto.
11485 (get_nmt_for): Ditto.
11486 (create_global_var):
11487 (is_escape_site): Return an escape_type enumeration.
11488 * tree-flow-inline.h (is_call_clobbered): Global var does not
11489 imply call clobbered.
11490 (mark_call_clobbered): Take a reason for marking this. Remove
11491 marking of globalness, and cache invalidation.
11492 (clear_call_clobbered): Remove cache invalidation code.
11493 * tree-dfa.c (dump_variable): If details is on, dump the reason
11495 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11497 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11498 (struct var_ann_d): Ditto.
11499 (enum escape_type): New.
11500 (mark_call_clobbered): Adjust prototype.
11501 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11502 are never call clobbered.
11503 Record reasons for escaping.
11504 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11505 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11506 (ssa_ro_call_cache_valid): Ditto.
11507 (clobbered_v_may_defs): Ditto.
11508 (clobbered_vuses): Ditto.
11509 (ro_call_vuses): Ditto.
11510 (clobber_stats): New.
11511 (init_ssa_operands): Zero out clobber stats.
11512 (fini_ssa_operands): Print out clobber stats.
11513 (get_call_expr_operands): Pass callee fndecl to
11514 add_call_read_ops).
11515 (add_call_clobber_ops): Remove use of cache.
11516 Add use of PURE_CONST information.
11517 (add_call_read_ops): Remove use of cache.
11518 Add use of static not_read information.
11520 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11522 Introduce TLS descriptors for i386 and x86_64.
11523 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11524 (TARGET_ANY_GNU_TLS): New macro.
11525 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11526 (struct machine_function): Add tls_descriptor_call_expanded_p.
11527 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11528 (ix86_current_function_calls_tls_descriptor): Likewise.
11529 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11530 (override_options): Introduce gnu2 tls dialect.
11531 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11533 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11535 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11536 (ix86_init_machine_status): Initialize new field.
11537 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11538 (ix86_tls_module_base): New.
11539 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11540 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11541 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11542 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11543 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11544 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11545 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11546 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11547 * config/i386/predicates.md (tls_modbase_operand): New.
11548 (tp_or_register_operand): New.
11550 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11552 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11553 (look_for_address_of): Ditto.
11554 (ipa_init): Walk the function decls.
11555 (static_execute): Don't set readonly on FUNCTION_DECL's.
11557 2006-01-18 Roger Sayle <roger@eyesopen.com>
11559 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11560 for shifts where the source and destination registers are different.
11562 2006-01-18 Paul Brook <paul@codesourcery.com>
11564 Merge from csl-arm-branch.
11565 2005-03-14 Julian Brown <julian@codesourcery.com>
11566 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11567 (aeabi_llsl): Likewise.
11568 (ashrdi3): Likewise.
11569 (aeabi_lasr): Likewise.
11570 (lshrdi3): Likewise.
11571 (aeabi_llsr): Likewise.
11572 2005-03-10 Julian Brown <julian@codesourcery.com>
11573 * config.gcc: Disable shared libgcc for SymbianOS.
11574 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11576 2006-01-18 DJ Delorie <dj@redhat.com>
11578 * c-pragma.c (handle_pragma_diagnostic): New.
11579 (init_pragma): Register it.
11580 * doc/extend.texi: Document it.
11582 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11583 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11584 (diagnostic_context): Add classify_diagnostic[].
11585 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11586 as errors if they're overridden to DK_WARNING.
11587 (diagnostic_initialize): Initialize classify_diagnostic[].
11588 (diagnostic_set_kind_override): New.
11589 (diagnostic_report_diagnostic): Check for kind changes.
11590 * opts.c (common_handle_option): Take lang_mask. Update callers.
11591 Handle OPT_Werror_.
11592 * common.opt (Werror=): New.
11593 * doc/invoke.texi: Document -Werror=*
11595 2006-01-18 Jeff Law <law@redhat.com>
11597 * tree-vrp.c (test_for_singularity): Correct test for new
11598 min limit. Use operand_equal_p rather than pointer equality
11599 for testing if new min/max values are equal.
11601 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11602 using range information until after propagation and folding.
11604 2006-01-18 Richard Henderson <rth@redhat.com>
11605 Aldy Hernandez <aldyh@redhat.com>
11606 Jakub Jelinek <jakub@redhat.com>
11607 Diego Novillo <dnovillo@redhat.com>
11609 * omp-low.c: New file.
11610 * c-omp.c: New file.
11612 2006-01-18 Richard Henderson <rth@redhat.com>
11613 Jakub Jelinek <jakub@redhat.com>
11614 Diego Novillo <dnovillo@redhat.com>
11616 * doc/invoke.texi: Document -fopenmp.
11617 * tree-dump.h (debug_function): Declare.
11618 * hooks.c (hook_bool_tree_bool_false): New function.
11619 (hook_tree_tree_null): Remove.
11620 (hook_tree_tree_tree_null): New.
11621 * hooks.h: Update to match.
11622 * tree-pretty-print.c (debug_tree_chain): New.
11623 (print_generic_expr): Handle TDF_CHAIN.
11624 (dump_generic_node): Handle BLOCK.
11625 Do not abort with incomplete SWITCH_EXPRs.
11626 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11627 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11628 print space after directive name.
11629 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11630 Handle OMP_MASTER and OMP_ORDERED.
11631 Handle printing of OMP_BODY just in one place, goto
11632 dump_omp_body in the rest of OMP_* nodes that have
11634 Don't handle clause nodes here. Update omp statements to
11635 use dump_omp_clauses.
11636 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11637 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11638 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11639 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11640 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11641 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11642 Adjust output for GOMP_PARALLEL.
11643 (dump_omp_clauses): New.
11644 (print_declaration): Dump DECL_VALUE_EXPR.
11645 (op_symbol_1): Split out of op_symbol.
11646 (dumping_stmts): Remove. Update all users.
11647 * cgraph.c (cgraph_analyze_queue): New.
11648 (cgraph_add_new_function): New.
11649 * cgraph.h (cgraph_analyze_queue): Declare.
11650 (cgraph_add_new_function): Declare.
11651 (cgraph_lower_function): Remove.
11652 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11653 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11654 and TYPE_P nodes in its default clause.
11655 (empty_body_p): New.
11656 (tree_range_check_failed): New.
11657 (build5_stat): New.
11658 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11659 OMP_CLAUSE_REDUCTION_MERGE,
11660 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11661 OMP_CLAUSE_PRIVATE_DEBUG,
11662 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11663 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11664 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11665 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11666 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11667 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11668 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11669 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11670 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11671 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11672 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11673 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11674 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11675 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11676 (TREE_RANGE_CHECK): New.
11677 (empty_body_p): Declare.
11678 (enum omp_clause_default_kind): New.
11679 (build_string_literal): Declare.
11680 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11681 (build5_stat, build5): Declare.
11682 * tree-pass.h (TDF_CHAIN): Define.
11683 * tree-pass.h (PROP_gimple_lomp): Define.
11684 (pass_lower_omp): Declare.
11685 * diagnostic.h (debug_tree_chain): Declare.
11686 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11688 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11689 * builtins.c (build_string_literal): Make extern.
11690 * gcc.c (include_spec_function): New.
11691 (static_spec_functions): Add it.
11692 (main): Move load of libgomp.spec ...
11693 (LINK_COMMAND_SPEC): ... here.
11694 (link_gomp_spec): New.
11695 (static_specs): Include it.
11696 (LINK_COMMAND_SPEC): Add link_gomp.
11697 (GOMP_SELF_SPECS): New.
11698 (driver_self_specs): Include it.
11699 (switch_matches): Don't mark inline.
11700 (main): Load libgomp.spec.
11701 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11702 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11703 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11704 * tree-gimple.h (enum omp_parallel): Declare.
11705 (determine_parallel_type): Declare.
11706 (omp_firstprivatize_variable): Declare.
11707 (omp_reduction_init): Declare.
11708 (diagnose_omp_structured_block_errors): Declare.
11709 (struct walk_stmt_info): Add want_return_expr.
11710 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11711 (find_omp_clause): Declare.
11712 (insert_field_into_struct): Declare.
11713 (struct walk_stmt_info): Move from tree-nested.c
11714 (walk_stmts): Declare.
11715 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11717 * cgraphunit.c (cgraph_lower_function): Make static.
11718 (cgraph_finalize_pending_functions): New.
11719 (cgraph_finalize_function): Call it.
11720 (cgraph_finalize_compilation_unit): Likewise.
11721 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11722 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11723 (BT_FN_UINT_UINT): New.
11724 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11725 DEF_FUNCTION_TYPE_VAR_4): Document.
11726 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11727 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11728 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11729 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11730 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11731 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11732 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11733 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11734 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11735 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11736 into separate files.
11737 (DEF_GOMP_BUILTIN): New.
11738 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11739 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11740 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11741 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11742 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11743 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11744 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11745 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11746 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11747 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11748 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11749 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11750 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11751 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11752 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11753 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11754 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11755 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11756 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11757 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11758 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11759 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11760 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11761 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11762 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11763 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11764 * sync-builtins.def: New file, moved from builtins.def.
11765 * omp-builtins.def: New file, moved from builtins.def.
11766 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11767 * gimple-low.c (lower_function_body): Clear data.
11768 (lower_stmt): Do not handle COMPOUND_EXPR.
11769 Remove call to print_node_brief.
11770 * c-tree.h (c_finish_omp_clauses): New prototype.
11771 (C_DECL_THREADPRIVATE_P): Define.
11772 (lookup_name_no_remap, c_omp_remap_private): Remove
11773 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11774 (check_for_loop_decls): Update decl.
11775 (lookup_name_no_remap, c_omp_remap_private): Declare.
11776 (build_indirect_ref, build_modify_expr, pushdecl,
11777 pushdecl_top_level): Move to c-common.h.
11778 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11779 before the switch, but just in the 2 places that need it.
11780 * c-decl.c (diagnose_mismatched_decls): Do not check for
11781 mismatched thread-local attributes when OLDDECL is marked
11782 threadprivate and NEWDECL has no thread-local attributes.
11783 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11784 (c_gimple_diagnostics_recursively): Rename from
11785 c_warn_unused_result_recursively. Invoke
11786 diagnose_omp_structured_block_errors.
11787 (check_for_loop_decls): Return a singular decl found.
11788 * langhooks.c (lhd_omp_predetermined_sharing): Return
11789 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11790 (lhd_omp_firstprivatize_type_sizes): New.
11791 (lhd_omp_assignment): New.
11792 (lhd_omp_predetermined_sharing): New.
11793 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11794 (struct lang_hooks_for_types): Add
11795 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11796 omp_predetermined_sharing, omp_disregard_value_expr,
11797 omp_private_debug_clause, omp_clause_default_ctor,
11798 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11799 (c_finish_omp_clauses): New.
11800 (c_finish_bc_stmt): Diagnose break within omp for.
11801 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11802 (build_unary_op): Return error_mark after reporting
11804 (build_modify_expr): Likewise.
11805 * gimplify.c: Include optabs.h and pointer-set.h.
11806 (enum gimplify_omp_var_data): Declare.
11807 (struct gimplify_omp_ctx): Declare.
11808 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11810 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11811 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11812 (splay_tree_compare_decl_uid): New.
11813 (new_omp_context): New.
11814 (delete_omp_context): New.
11815 (gimple_add_tmp_var): Call omp_add_variable.
11816 (gimplify_bind_expr): Likewise.
11817 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11818 true, disregard DECL_VALUE_EXPR on the decl if any.
11819 (gimplify_expr_in_ctx): New.
11820 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11821 omp_add_variable, omp_notice_variable, omp_is_private
11822 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11823 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11824 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11825 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11826 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11827 gimplify_omp_atomic): New.
11828 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11829 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11830 OMP_CRITICAL and OMP_ATOMIC.
11831 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11832 * c-pragma.h (enum pragma_kind): Add
11833 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11834 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11835 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11836 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11837 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11838 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11839 PRAGMA_OMP_THREADPRIVATE.
11840 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11841 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11842 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11843 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11844 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11845 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11846 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11847 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11848 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11849 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11850 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11851 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11852 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11854 (struct nesting_info): Add field_map,
11855 suppress_expansion, debug_var_chain.
11856 (create_nesting_tree): Initialize them.
11857 (lookup_field_for_decl): Use field_map.
11858 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11859 (convert_local_omp_clauses): New.
11860 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11861 (walk_body): Split out of walk_function.
11862 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11863 (convert_nonlocal_reference): Handle omp statements.
11864 (convert_local_reference): Likewise.
11865 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11866 (unnest_nesting_tree): New.
11867 (lower_nested_functions): Call it.
11868 (insert_field_into_struct): Make extern.
11869 (struct walk_stmt_info): Move to tree-gimple.h.
11870 (walk_stmts): Make extern.
11871 * omp-builtins.def: New file.
11872 * tree-iterator.c (expr_only): Clarify comment.
11873 * c-common.h (pushdecl_top_level, pushdecl,
11874 build_modify_expr, build_indirect_ref,
11875 c_finish_omp_master, c_finish_omp_critical,
11876 c_finish_omp_ordered, c_finish_omp_barrier,
11877 c_finish_omp_atomic, c_finish_omp_flush,
11878 c_finish_omp_for, c_split_parallel_clauses,
11879 omp_clause_default_kind, c_omp_sharing_predetermined,
11880 c_omp_remap_decl): Declare.
11881 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11882 (OBJS-common): Add omp-low.o.
11883 (c-omp.o, omp-low.o): Add.
11884 (gimplify.o): Add dependency on $(OPTABS_H).
11885 (GTFILES): Add omp-low.c.
11886 (gt-stringpool.h): Add.
11887 * tree-cfg.c (set_bb_for_stmt): Do not update the
11888 block-to-labels map if we are currently expanding to RTL.
11889 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11891 Handle IDENTIFIER_NODE.
11892 (tree_verify_flow_info): Do not ICE when emitting error
11893 messages about invalid labels.
11894 (dump_function_to_file): Reset CFUN before emitting the body
11896 (debug_function): New.
11897 * passes.c (init_optimization_passes): Schedule
11899 * langhooks-def.h (lhd_omp_predetermined_sharing,
11900 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11902 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11903 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11904 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11905 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11906 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11907 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11908 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11909 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11910 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11911 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11912 (LANG_HOOK_DECLS): Use them.
11914 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11915 Richard Henderson <rth@redhat.com>
11916 Jakub Jelinek <jakub@redhat.com>
11917 Diego Novillo <dnovillo@redhat.com>
11919 * c-parser.c (pragma_omp_clause): Define.
11920 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11921 (c_parser_compound_statement): Likewise.
11922 (c_parser_statement): Likewise.
11923 (c_parser_pragma): Handle omp pragmas.
11924 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11925 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11926 (c_parser_omp_clause_name, check_no_duplicate_clause,
11927 c_parser_omp_variable_list,
11928 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11929 c_parser_omp_clause_copyprivate,
11930 c_parser_omp_clause_default,
11931 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11932 c_parser_omp_clause_lastprivate,
11933 c_parser_omp_clause_nowait,
11934 c_parser_omp_clause_num_threads,
11935 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11936 c_parser_omp_clause_reduction,
11937 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11938 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11939 c_parser_omp_atomic, c_parser_omp_barrier,
11940 c_parser_omp_critical, c_parser_omp_flush,
11941 c_parser_omp_for_loop, c_parser_omp_for,
11942 c_parser_omp_master, c_parser_omp_ordered,
11943 c_parser_omp_sections_scope, c_parser_omp_sections,
11944 c_parser_omp_parallel, c_parser_omp_single,
11945 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11946 * c-pragma.c (init_pragma): Do omp pragma registration here.
11947 * c.opt (fopenmp): New flag.
11949 2006-01-18 Eric Christopher <echristo@apple.com>
11951 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11952 * config/darwin.h (GOMP_SELF_SPECS): Define.
11954 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11956 * rtl.h: Remove the prototype for reg_alloc.
11958 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11961 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11962 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11963 sjlj and dwarf2 exception handling.
11964 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11965 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11966 * pa/pa.c (function_value): Treat complex and vector types as
11968 (function_arg): Likewise. Only pass scalar floats in the floating
11969 point argument registers.
11970 * pa/t-slibgcc-dwarf-ver: New file.
11971 * pa/t-slibgcc-sjlj-ver: New file.
11972 * pa/t-slibgcc-elf-ver: Delete file.
11974 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11976 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11977 unlikely_test_section_p test.
11979 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11981 * mode-switching.c (optimize_mode_switching): Make it static.
11982 * basic-block.h: Remove the prototype for
11983 optimize_mode_switching.
11985 * modulo-sched.c (sms_schedule): Make it static.
11986 * rtl.h: Remove the prototype for sms_schedule.
11988 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11989 * rtl.h: Remove the prototype for gcse_after_reload_main.
11991 * reg-stack.c (reg_to_stack): Make it static.
11992 * rtl.h: Remove the prototype for reg_to_stack.
11994 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11996 * rtl.h: Remove the prototypes for regrename_optimize and
11997 copyprop_hardreg_forward.
11999 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12001 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12002 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12003 Test against the appropriate null constant for the mode.
12004 If 'fixup_overlap' is true, swap the operands if they overlap.
12005 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12006 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12007 alpha_split_tmode_pair and adjust for above change.
12008 * config/alpha/alpha.md (movtf_internal): Adjust call to
12009 alpha_split_tfmode_pair and rely on it to swap the operands.
12010 (movti_internal): New insn and post-reload splitter.
12011 (movti): New expander.
12013 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12015 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12018 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12020 * rtlanal.c (global_reg_mentioned_p_1,
12021 global_reg_mentioned_p): Remove.
12022 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12024 * flow.c (initialize_uninitialized_subregs): Make it static.
12025 * rtl.h: Remove the prototype for
12026 initialize_uninitialized_subregs.
12028 * function.c (instantiate_virtual_regs): Make it static.
12029 * function.h: Remove the prototype for
12030 instantiate_virtual_regs.
12032 * regmove.c (regmove_optimize, combine_stack_adjustments):
12034 * rtl.h: Remove the prototypes for regmove_optimize and
12035 combine_stack_adjustments.
12037 2006-01-17 Roger Sayle <roger@eyesopen.com>
12039 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12040 (size_cost): Encode costs in bytes so that a reg-reg addition is
12041 equivalent to COSTS_N_INSNS(1).
12042 (override_options): Use the size_cost.branch_cost as the default
12043 ix86_branch_cost when optimizing for size.
12045 2006-01-18 Ben Elliston <bje@au.ibm.com>
12047 * Makefile.in (D32PBIT_FUNCS): New.
12048 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12049 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12050 D64PBIT_FUNCS and D128PBIT_FUNCS.
12051 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12052 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12054 (decnumber_dep): Define.
12055 * doc/libgcc.texi (Decimal float library routines): New node.
12056 * config/dfp-bit.h, config/dfp-bit.c: New files.
12058 2006-01-18 Ben Elliston <bje@au.ibm.com>
12060 * expr.c (emit_move_change_mode): Always adjust addresses, not
12061 just during reload. Copy replacements only during reload.
12062 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12063 emit_move_via_integer.
12065 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12067 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12068 instead of $(srcdir) and ${srcdir}.
12070 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12073 PR middle-end/11135
12074 * arm.h (struct machine_function): Add pic_reg.
12075 * arm.c (arm_pic_register): Make unsigned.
12076 (arm_override_options): Only set arm_pic_register if
12077 TARGET_SINGLE_PIC_BASE.
12078 (use_return_insn): Only test for a pic register if it is fixed.
12079 (arm_compute_save_reg0_reg12_mask): Likewise.
12080 (thumb_compute_save_reg_mask): Likewise.
12081 (legitimate_pic_operand): Factor out some known invariants.
12082 (legitimize_pic_address): If we don't have a fixed pic register,
12083 then set up a pseudo in the function entry sequence. Handle the
12084 pic base being in a pseudo.
12085 (arm_load_pic_register): Handle the pic register being in a pseudo.
12086 (arm_expand_prologue): Only set up the pic register if it is fixed.
12087 (thumb_expand_prologue): Likewise.
12088 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12089 (pic_load_addr_based_insn): Likewise.
12090 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12093 2006-01-18 Ben Elliston <bje@au.ibm.com>
12095 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12096 decimal float modes for all floating point registers.
12098 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12099 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12101 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12104 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12105 even when the pointer is not NULL.
12107 2006-01-16 Ian Lance Taylor <ian@airs.com>
12109 * common.opt (ftoplevel-reorder): New option.
12110 * cgraph.c (cgraph_asm_nodes): New global variable.
12111 (cgraph_asm_last_node): New static variable.
12112 (cgraph_order): New global variable.
12113 (cgraph_create_node): Set new order field.
12114 (cgraph_varpool_node): Likewise.
12115 (decide_is_variable_needed): Return true if not
12116 flag_toplevel_reorder.
12117 (cgraph_add_asm_node): New function.
12118 * cgraph.h (struct cgraph_node): Add order field.
12119 (struct cgraph_varpool_node): Add order field.
12120 (struct cgraph_asm_node): Define.
12121 (cgraph_asm_nodes, cgraph_order): Declare.
12122 (cgraph_add_asm_node): Declare.
12123 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12125 (cgraph_varpool_assemble_pending_decls): Call it.
12126 (cgraph_output_pending_asms): New static function.
12127 (cgraph_finalize_compilation_unit): Call it.
12128 (struct cgraph_order_sort): Define.
12129 (cgraph_output_in_order): New static function.
12130 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12131 !flag_toplevel_reorder case.
12132 * c-parser.c: Include "cgraph.h".
12133 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12135 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12136 than -fno-unit-at-a-time.
12137 * doc/invoke.texi (Option Summary): Mention
12138 -fno-toplevel-reorder.
12139 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12140 -funit-at-a-time documentation.
12142 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12143 Kazu Hirata <kazu@codesourcery.com>
12145 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12147 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12149 * Makefile.in (FUNCTION_H): New. Use it instead of
12150 function.h throughout the file.
12151 * function.h: Include tree.h.
12153 2006-01-17 Ben Elliston <bje@au.ibm.com>
12155 * recog.c: Separate some functions with whitespace.
12157 2006-01-16 Richard Henderson <rth@redhat.com>
12159 Merge from gomp branch:
12160 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12161 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12162 and rename from struct inline_data. Rename callee* to dst*;
12163 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12164 transform_new_cfg, transform_return_to_modify, and
12165 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12167 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12168 (copy_decl_for_dup): Remove.
12169 * tree-inline.c (struct inline_data): Move to header.
12170 (insert_decl_map): Export.
12171 (remap_decl): Update for member name changes. Use copy_decl hook.
12172 Allow for replacement to be a non-decl. Remove dead code.
12173 (remap_type_1): Check for existing mapping.
12174 (remap_type): Export.
12175 (remap_decls): Update for member name changes.
12176 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12177 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12178 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12179 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12180 (tree_function_versioning, build_duplicate_type): Likewise.
12181 (copy_body_r): Likewise. Export.
12182 (copy_decl_for_dup): Split into ...
12183 (copy_decl_for_dup_finish, copy_decl_to_var,
12184 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12185 (replace_ref_tree, inlining_p): Remove.
12187 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12189 * ifcvt.c (if_convert): Make it static.
12190 * rtl.h: Remove the prototype for if_convert.
12192 * local-alloc.c (local_alloc): Make it static.
12193 * rtl.h: Remove the prototype for local_alloc.
12195 * loop.c (loop_optimize): Make it static.
12196 * cfgloop.h: Remove the prototype for loop_optimize.
12199 2006-01-16 DJ Delorie <dj@redhat.com>
12201 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12204 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12206 * pa.md: Disparage copies between general and floating-point registers
12207 in 32-bit move patterns.
12209 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12212 * Makefile.in (check-%): Depend on site.exp instead of
12213 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12216 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12218 * global.c (global_alloc): Make it static.
12219 * rtl.h: Remove the prototype for global_alloc.
12221 2006-01-16 Richard Guenther <rguenther@suse.de>
12223 * tree-ssa-alias.c (struct used_part): Add write_only field.
12224 (get_or_create_used_part_for): Initialize it to true.
12225 (create_overlap_variables_for): Don't create structure variables
12226 for structures that only are written to.
12227 (find_used_portions): Handle MODIFY_EXPR to track whether a
12228 structure is only written to.
12230 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12232 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12234 * basic-block.h: Remove the prototype for
12235 partition_hot_cold_basic_blocks.
12237 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12239 * cppspec.c (lang_specific_spec_functions): Remove.
12240 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12241 * gcc.h (lang_specific_spec_functions): Remove.
12242 * gccspec.c (lang_specific_spec_functions): Remove.
12244 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12246 * combine.c (record_value_for_reg): Invalidate registers
12248 (record_dead_and_set_regs_1): Likewise, by passing them to
12249 record_value_for_reg.
12250 (record_dead_and_set_regs): Invalidate stores made by a
12251 call. We do not combine across a call, but we still
12252 relied on equivalences.
12254 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12256 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12257 vrp_int_const_binop returning non-constant nodes.
12259 2006-01-16 Paul Brook <paul@codesourcery.com>
12261 * config/m68k/m68k.c (output_move_const_into_data_reg):
12262 Output correct mnemonic for mvz and mvs.
12264 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12266 * rtl-factoring.c: Add sequence abstraction algorithm.
12267 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12268 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12270 (block_has_preserve_label): New function.
12271 * common.opt: Register new pass.
12272 * Makefile.in: Ditto.
12274 * timevar.def: Ditto.
12275 * tree-pass.h: Ditto.
12276 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12277 * rtl.h (make_jump_insn_raw): Add forward decl.
12278 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12280 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12281 Roger Sayle <roger@eyesopen.com>
12283 * fold-const.c (fold_minmax): New static function.
12284 (fold_binary) <MIN_EXPR>: Call it.
12285 <MAX_EXPR>: Likewise.
12286 * stor-layout.c (place_field): Use DECL_SIZE consistently
12287 in the computation of the new record size.
12289 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12291 * cse.c (cse_condition_code_reg): Make it static.
12292 * rtl.h: Remove the prototype for cse_condition_code_reg.
12294 * combine.c (combine_instructions): Make it static.
12295 * rtl.h: Remove the prototype for combine_instructions.
12297 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12300 * tree.c (get_file_function_name_long): Concatenate the first global
12301 object name with a string derived from the input filename of the object
12304 2006-01-16 Ben Elliston <bje@au.ibm.com>
12306 * config/i386/winnt-stubs.c: Update FSF address.
12307 * config/xtensa/ieee754-df.S: Ditto.
12308 * config/xtensa/ieee754-sf.S: Ditto.
12310 2006-01-14 Ian Lance Taylor <ian@airs.com>
12312 * ifcvt.c (noce_init_if_info): New static function, broken out of
12313 noce_process_if_block.
12314 (noce_process_if_block): Call noce_init_if_info.
12315 (check_cond_move_block): New static function.
12316 (cond_move_process_if_block): New static function.
12317 (process_if_block): Call cond_move_process_if_block.
12319 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12321 * cselib.c (hash_table): Rename to cselib_hash_table.
12322 (cselib_clear_table, discard_useless_values,
12323 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12324 cselib_init, cselib_finish): Adjust uses of hash_table.
12326 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12328 PR tree-optimization/25485
12329 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12330 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12331 is known to be false and true, respectively.
12333 2006-01-14 Richard Guenther <rguenther@suse.de>
12335 PR tree-optimization/22548
12336 PR tree-optimization/22555
12337 PR tree-optimization/22501
12338 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12339 * params.def (salias-max-array-elements): New parameter.
12340 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12341 * doc/invoke.texi (salias-max-array-elements): Document.
12342 * tree-flow-inline.h (var_can_have_subvars): We also handle
12344 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12346 * tree-ssa-structalias.c (params.h): Include.
12347 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12348 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12349 (get_constraint_for): For ADDR_EXPR operating on something
12350 containing an ARRAY_REF, add all subvars to the solution.
12351 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12352 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12353 for creating MUST_DEFs.
12354 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12356 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12358 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12360 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12361 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12362 number_of_iterations_le): New functions.
12363 (number_of_iterations_special): Removed.
12364 (number_of_iterations_exit): Do not use number_of_iterations_special.
12365 * tree.c (unsigned_type_for): Always return integer type.
12367 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12368 Richard Guenther <rguenther@suse.de>
12370 PR rtl-optimization/24257
12371 * gcse.c (find_moveable_store): Only consider a store movable
12372 when the SET_SRC of the insn can be assigned to a register.
12374 2006-01-14 Ian Lance Taylor <ian@airs.com>
12376 * tree.c (tree_not_class_check_failed): New function.
12377 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12378 (tree_not_class_check_failed): Declare.
12380 2006-01-13 Ian Lance Taylor <ian@airs.com>
12382 * reload1.c (do_output_reload): Add assertion rejecting a
12385 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12387 * combine.c (struct reg_stat): Add new fields truncation_label and
12389 (record_value_for_reg): Reset truncated_to_mode.
12390 (record_truncated_value): New function.
12391 (check_promoted_subreg): Call it. Rename to check_conversions.
12392 (combine_instructions): Rename check_promoted_subreg to
12394 (reg_truncated_to_mode): New function.
12395 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12396 (gen_lowpart_or_truncate): New function.
12397 (force_to_mode): Use it instead of gen_lowpart.
12399 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12401 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12402 VAR is a tag, not its type tag.
12404 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12406 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12407 alternatives to match style of other entries.
12408 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12410 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12412 PR tree-optimization/25771
12413 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12416 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12419 * tree-inline.c (declare_return_variable): If the return variable
12420 was marked as a non gimple complex, set the return slot variable
12421 to be a non gimple comple variable.
12423 2006-01-13 Richard Guenther <rguenther@suse.de>
12425 * builtins.c (expand_builtin_sincos): New function.
12426 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12428 (expand_builtin): Expand sincos using expand_builtin_sincos.
12430 2006-01-12 DJ Delorie <dj@redhat.com>
12432 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12433 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12434 so that constant shifts can be split.
12435 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12436 (m32c_valid_pointer_mode): Make static.
12437 (shift_gen_func_for): New.
12438 (m32c_prepare_shift): Use it. Split large const shifts into
12440 * config/m32c/predicates.md (shiftcount_operand): Allow more
12442 (longshiftcount_operand): New.
12443 * doc/md.texi (Machine Constraints): Document In6.
12445 2006-01-13 Ben Elliston <bje@au.ibm.com>
12447 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12448 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12451 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12453 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12454 to try to avoid clobbering pieces of structures when we know
12455 something about the whole structure.
12456 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12458 2006-01-13 Ben Elliston <bje@au.ibm.com>
12460 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12461 return in memory, as this is no limitation is no longer present.
12463 2006-01-12 DJ Delorie <dj@redhat.com>
12465 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12466 mova with fb, and for fb+0 -> An.
12468 * config/m32c/mov.md (peephole2): Fix enabling logic.
12470 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12471 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12472 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12473 FINI_ARRAY_SECTION_ASM_OP): Define.
12475 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12477 (m32c_legitimize_reload_address): New logic to reload FB to An.
12478 (m32c_output_reg_push): Add newline.
12479 (m32c_output_reg_pop): Likewise.
12481 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12483 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12485 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12487 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12489 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12491 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12494 2006-01-11 Ben Elliston <bje@au.ibm.com>
12496 * rtlanal.c (find_reg_note): Assert insn is not null.
12498 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12500 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12503 2006-01-11 Jeff Law <law@redhat.com>
12505 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12507 (mark_threaded_blocks, register_jump_thread): New functions.
12508 (thread_through_all_blocks): Remove unwanted argument. No
12509 longer rely on e->aux to communicate thread target info.
12510 Call mark_threaded_blocks. Release the threaded_blocks
12511 bitmap and threaded_edges vector when complete.
12512 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12513 (threaded_blocks): Remove.
12514 (tree_ssa_dominator_optimize): Remove initialization and
12515 finalization of threaded_blocks. Simplify call to
12516 thread_through_all_blocks.
12517 (thread_across_edge): Call register_jump_thread rather than
12518 storing thread information into e->aux.
12519 (free_all_edge_infos): Simplify now that e->aux is no longer
12520 used to communicate with thread_through_all_blocks.
12521 * tree-flow.h (thread_through_all_blocks): Update prototype.
12522 (register_jump_thread): Prototype.
12524 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12526 * df-core.c (df_compact_blocks, df_bb_replace): Use
12527 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12529 2006-01-11 Richard Guenther <rguenther@suse.de>
12531 PR tree-optimization/25734
12532 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12533 stop propagation after successful propagation to the LHS.
12535 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12537 * basic-block.h (control_flow_graph): Change the type of
12538 x_basic_block_info to VEC(basic_block,gc) *.
12539 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12541 (SET_BASIC_BLOCK): New.
12542 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12543 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12544 * cfgbuild.c (find_basic_blocks): Likewise.
12545 * cfglayout.c (fixup_reorder_chain): Likewise.
12546 * cfgrtl.c (create_basic_block_structure,
12547 rtl_create_basic_block): Likewise.
12548 * ifcvt.c (find_if_case_1): Likewise.
12549 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12552 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12554 * Makefile.in: Removed rotted odf.c entry.
12556 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12559 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12560 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12561 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12562 output pattern modifier, not %e.
12563 * config/cris/cris.c (cris_op_str): Update comment about pattern
12565 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12566 before falling through into...
12567 <case 'E'>: Redefined from old 'e' case.
12569 2006-01-11 Jan Hubicka <jh@suse.cz>
12572 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12574 2006-01-11 Jan Hubicka <jh@suse.cz>
12576 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12577 * i386.c (x86_decompose_lea): Kill.
12578 (ix86_rtx_costs): Kill.
12580 2006-01-11 Jan Hubicka <jh@suse.cz>
12582 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12583 * cgraph.h (cgraph_node): Add inline_decl.
12584 (cgraph_insert_node_to_hashtable): Declare.
12585 (save_inline_function_body): Declare.
12586 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12588 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12589 (cgraph_function_versioning): Update call of tree_function_versioning.
12590 (save_inline_function_body): New function.
12591 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12592 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12593 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12594 (cgraph_default_inline_p): Likewise.
12595 (cgraph_decide_inlining_incrementally): Likewise.
12596 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12597 (copy_bb): Kill saving; do updating of clones.
12598 (copy_cfg_body): Kill saving.
12599 (initialize_inlined-parameters): Likewise.
12600 (expand_call_inline): Likewise.
12602 (tree_function_versioning): New parameter "update_clones".
12603 (inlining_p): Kill saving.
12604 * tree-inline.h (tree_function_versioning): Update prototype.
12605 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12608 2006-01-11 Ian Lance Taylor <ian@airs.com>
12610 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12611 Allow undoing set of machine mode.
12612 (do_SUBST): Use enums instead of is_int.
12613 (do_SUBST_MODE): New function.
12614 (SUBST_MODE): New macro.
12615 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12616 reg and trying to replace reg_regno_rtx with a new register.
12617 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12618 (simplify_set): Use SUBST_MODE.
12619 (distribute_notes): Remove code that tried to update reg notes
12620 for regno_reg_rtx changes.
12622 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12624 PR tree-optimization/23109
12625 PR tree-optimization/23948
12626 PR tree-optimization/24123
12628 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12629 * tree-cfg.c (single_noncomplex_succ): New.
12630 * tree-flow.h (single_noncomplex_succ): Declare it.
12631 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12632 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12633 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12634 insert_bb, register_division_in, insert_reciprocals,
12635 replace_reciprocal, free_bb): New.
12636 (execute_cse_reciprocals_1): Rewritten.
12637 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12638 Do not commit any edge insertion. Always compute dominators and
12639 create the allocation pool.
12640 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12641 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12642 * targhooks.c (default_min_divistions_for_recip_mul): New.
12643 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12644 * passes.c (init_optimization_passes): Run recip after tree loop
12646 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12648 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12649 Kenneth Zadeck <zadeck@naturalbridge.com>
12651 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12652 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12653 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12654 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12655 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12656 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12657 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12658 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12659 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12660 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12661 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12662 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12663 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12664 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12665 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12666 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12667 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12668 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12669 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12670 DF_SCAN_POST_ALLOC): New macros.
12671 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12672 df_free_bb_function, df_local_compute_function, df_init_function,
12673 df_dataflow_function, df_confluence_function_0,
12674 df_confluence_function_n, df_transfer_function,
12675 df_finalizer_function, df_free_function, df_dump_problem_function,
12676 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12677 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12678 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12679 df_urec_bb_info, ) New types.
12680 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12682 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12683 df_analyze_simple_change_some_blocks,
12684 df_analyze_simple_change_one_block, df_compact_blocks,
12685 df_bb_replace, df_bb_regno_last_use_find,
12686 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12687 df_insn_regno_def_p, df_find_def, df_find_use,
12688 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12689 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12690 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12691 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12692 debug_df_chain, df_get_dependent_problem, df_chain_create,
12693 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12694 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12695 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12696 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12697 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12698 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12699 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12700 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12701 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12702 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12703 df_reorganize_refs, df_set_state, df_hard_reg_init,
12704 df_read_modify_subreg_p) New public functions.
12705 * df-core.c: The core dataflow solver and glue routines for rtl
12707 (df_init, df_add_problem, df_set_blocks, df_finish,
12708 df_hybrid_search_forward, df_hybrid_search_backward,
12709 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12710 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12711 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12712 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12713 df_reg_defined, df_find_use, df_reg_used, df_dump,
12714 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12715 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12716 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12717 debug_df_useno, reset_df_after_reload): New functions.
12718 * df-scan.c: The scanning fuctions, once in df.c, completely
12719 rewritten so that they now fully model the functionality of
12720 register usage at the backend.
12721 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12722 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12723 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12724 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12725 df_get_artificial_defs, df_get_artificial_uses,
12726 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12727 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12728 df_refs_delete, df_reorganize_refs, df_set_state,
12729 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12730 df_def_record_1, df_defs_record, df_uses_record,
12731 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12732 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12733 df_record_exit_block_uses, df_hard_reg_init): New functions.
12735 * df-problems.c: Seven concrete dataflow problems that use the
12736 scanning in df-scan.c and are solved by the engine in df-core.c.
12737 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12738 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12739 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12740 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12741 df_ru_free_bb_info, df_ru_alloc,
12742 df_ru_bb_local_compute_process_def,
12743 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12744 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12745 df_ru_transfer_function, df_ru_free, df_ru_dump,
12746 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12747 df_rd_free_bb_info, df_rd_alloc,
12748 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12749 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12750 df_rd_transfer_function, df_rd_free, df_rd_dump,
12751 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12752 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12753 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12754 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12755 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12756 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12757 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12758 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12759 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12760 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12761 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12762 df_urec_mark_reg_use_for_earlyclobber,
12763 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12764 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12765 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12766 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12767 df_chain_create_bb_process_use, df_chain_create_bb,
12768 df_chain_finalize, df_chain_free, df_chains_dump,
12769 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12770 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12771 df_reg_lifetime): New functions.
12772 * df.c: Deleted file.
12773 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12774 consistent with new df api.
12775 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12776 rest_of_handle_sms): Ditto.
12777 * web.c (unionfind_union, union_defs, entry_register, web_main):
12779 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12780 invariant_expr_equal_p, find_defs, check_dependencies,
12781 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12782 free_inv_motion_data, move_loop_invariants): Ditto.
12783 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12784 Update dependencies.
12785 (odf.c): Added defective entry that was deleted later in day.
12786 * sched-deps.c (sched_analyze_1): Ditto.
12788 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12790 * tree-ssa-operands.c (get_expr_operands): Record addressable
12791 variables directly. Do not call add_stmt_operands for CONST_DECLs
12793 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12794 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12796 2006-01-11 Ben Elliston <bje@au.ibm.com>
12798 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12799 function returns true in the positive case.
12801 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12804 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12805 for SI, DI, SF and DF modes. Add alternatives to copy between
12806 general and floating point registers to the 32-bit patterns.
12807 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12808 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12809 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12810 generating 64-bit code.
12811 * config/pa/pa.c (output_move_double): Handle copies between general
12812 and floating registers.
12814 2006-01-10 Stuart Hastings <stuart@apple.com>
12816 * config/i386/i386.md (set_got): Update.
12817 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12818 (builtin_setjmp_receiver): Mach-O support.
12819 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12820 (GOT_SYMBOL_NAME): Define.
12821 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12822 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12823 * config/i386/i386.c (override_options): Revise for Darwin.
12824 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12825 support. (darwin_x86_file_end): New. (output_set_got): Add label
12826 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12827 * config/i386/i386-protos.h (output_set_got): Likewise.
12828 * config/darwin.c (machopic_legitimize_pic_address): Update
12831 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12833 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12834 when MODE isn't BLKmode.
12836 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12838 PR rtl-optimization/25367
12839 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12841 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12844 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12845 for a negative bound.
12847 2006-01-10 Richard Guenther <rguenther@suse.de>
12849 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12850 Never override with anything constraint.
12852 2006-01-10 Jan Beulich <jbeulich@novell.com>
12854 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12855 256 bits when optimize_size.
12857 2006-01-10 Jan Beulich <jbeulich@novell.com>
12859 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12861 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12862 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12865 2006-01-10 Ben Elliston <bje@au.ibm.com>
12867 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12869 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12870 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12871 (USE_FP_FOR_ARG): Reject decimal float modes.
12872 (function_arg_advance): Likewise.
12873 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12874 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12875 point types in AltiVec vectors.
12876 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12877 (rs6000_libcall_value): Likewise.
12879 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12881 * config/xtensa/ieee754-df.S: New file.
12882 * config/xtensa/ieee754-sf.S: New file.
12883 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12884 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12885 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12887 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12889 * config/sh/predicates.md (binary_float_operator,
12890 binary_logical_operator, commutative_float_operator,
12891 equality_comparison_operator, greater_comparison_operator,
12892 less_comparison_operator, logical_operator,
12893 noncommutative_float_operator, shift_operator,
12894 symbol_ref_operand, unary_float_operator): Remove redundant
12897 2006-01-09 Jeff Law <law@redhat.com>
12899 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12900 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12901 now unused arguments. Callers updated.
12902 (eliminate_redundant_computations): Remove now unused arguments,
12904 (local_fold): Remove, no longer used.
12905 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12907 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12908 (simplify_cond): New function.
12909 (forward_propagate_into_cond): Call simplify_cond.
12911 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12913 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12914 (*vec_extractv2di_1_sse): New.
12916 2006-01-09 Ben Elliston <bje@au.ibm.com>
12918 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12920 2006-01-08 Richard Guenther <rguenther@suse.de>
12922 * tree-ssa-structalias.c (get_constraint_for): Remove
12923 anyoffset argument.
12924 (get_constraint_for_component_ref): Likewise.
12925 (do_deref): Likewise.
12926 (get_constraint_for): Likewise.
12927 (do_structure_copy): Likewise.
12928 (handle_ptr_arith): Likewise.
12929 (find_func_aliases): Likewise. Remove unused need_anyoffset
12932 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12933 Kaz Kojima <kkojima@gcc.gnu.org>
12935 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12936 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12937 (EXTRA_CONSTRAINT_C16): Remove.
12938 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12939 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12940 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12941 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12942 constants of SHmedia. Handle nested constant expressions of
12944 (andcosts): Fix the costs for SHmedia constants.
12945 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12946 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12947 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12948 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12949 (movv4hi_i, movv2si_i): Likewise.
12950 (movsi_const): Adjust the second operand of ior so to match with
12951 the Csu constraint.
12952 (movdi_const, movdi_const_32bit): Likewise.
12953 (movdi_const_16bit+1): Don't sign-extend LOW.
12954 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12956 (*double_shori): Fix the split condition. Use GEN_INT instead
12957 of get_int_mode calls. Mask lower 16-bit of the argument of
12959 (sym2GOTPLT): Remove.
12960 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12962 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12963 instead of EXTRA_CONSTRAINT_C16.
12965 2006-01-07 Ian Lance Taylor <ian@airs.com>
12966 David Edelsohn <edelsohn@gnu.org>
12968 PR rtl-optimization/25662
12969 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12970 for constant operands instead of simplify_gen_binary.
12971 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12972 after trying simplify_binary_operation
12974 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12976 * tree.c (iterative_hash_expr): Hash decls based on UID.
12978 2006-01-06 Eric Christopher <echristo@apple.com>
12980 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12981 (TARGET_UNWIND_EMIT): Fix spelling.
12982 * target.h (gcc_target): Add except_table_label.
12983 * except.c (output_function_exception_table): Use.
12984 * varasm.c (default_emit_except_table_label): New.
12985 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12987 (asm_out): Add here.
12988 * output.h (default_emit_except_table_label): Prototype.
12989 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12990 * config/darwin.c (darwin_emit_except_table_label): Define.
12991 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12993 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12995 PR tree-optimization/18527
12996 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12997 number_of_iterations_special, number_of_iterations_exit):
12998 Move base and step of an iv to a single structure. Add
12999 no_overflow flag, and use it in # of iterations analysis.
13000 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13001 folded_casts argument.
13002 (simple_iv): Pass base and step in a structure. Set no_overflow
13004 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13005 Evaluate expensiveness of computing # of iterations instead of
13006 the final expression.
13007 * tree-scalar-evolution.h (affine_iv): New structure.
13008 (simple_iv): Declaration changed.
13009 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13010 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13011 find_givs_in_stmt): Changed due to simple_iv change.
13013 2006-01-06 Jeff Law <law@redhat.com>
13016 * tree-cfg.c (bsi_replace): Rename final argument from
13017 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13018 change (stmt -> orig_stmt).
13019 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13020 (bsi_remove): Add new argument. Remove EH information
13022 (verify_eh_throw_table_statements): New function.
13023 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13025 * tree-optimize.c (execute_free_cfg_annotations): Verify
13026 the EH throw statement table after removing annotations.
13027 * except.h (verify_eh_throw_table_statements): Prototype.
13028 * tree-flow.h (bsi_remove): Update prototype.
13029 * tree-vrp.c (remove_range_assertions): Add new argument to
13031 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13032 * tree-complex.c (expand_complex_div_wide): Likewise.
13033 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13034 * tree-tailcall.c (eliminate_tailcall): Likewise.
13035 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13036 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13037 * tree-nrv.c (tree_nrv): Likewise.
13038 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13039 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13040 (combine_blocks): Likewise.
13041 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13042 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13043 (cleanup_control_flow): Likewise.
13044 (remove_forwarder_block): Likewise.
13045 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13046 * tree-sra.c (sra_replace): Likewise.
13047 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13048 (forward_propagate_single_use_vars): Likewise.
13049 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13050 * tree-inline.c (expand_call_inline): Likewise.
13051 * tree-vect-transform.c (vect_transform_loop): Likewise.
13052 * tree-outof-ssa.c (rewrite_trees): Likewise.
13053 * tree-cfg.c (make_goto_expr_edges): Likewise.
13054 (cleanup_dead_labels): Likewise.
13055 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13056 (bsi_move_before, bsi_move_after): Likewise.
13057 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13058 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13060 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13063 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13065 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13066 on non gimple variables. Also add checks at the top for decls and
13068 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13070 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13071 and IMAGPART_EXPR for creating MUST_DEFs.
13072 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13073 and NAME_MEMORY_TAG separately from the DECLs.
13075 2006-01-06 Richard Guenther <rguenther@suse.de>
13077 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13078 annotation, if necessary.
13079 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13080 redundant calls to update_stmt.
13081 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13084 2006-01-05 Richard Henderson <rth@redhat.com>
13086 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13088 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13090 * c-typeck.c: Update copyright date.
13092 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13094 * c-typeck.c (build_c_cast): Always warn when casting
13095 from a pointer to an integer of different size, even if
13096 the node was constant.
13098 2006-01-05 Richard Guenther <rguenther@suse.de>
13100 PR tree-optimization/22555
13101 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13102 if one structure field is an array.
13103 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13104 operands even if we found a subvar, but ignore VOPs in this
13106 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13108 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13110 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13112 PR middle-end/24998
13113 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13115 2006-01-05 Richard Guenther <rguenther@suse.de>
13116 Diego Novillo <dnovillo@redhat.com>
13118 * tree-pass.h (TODO_remove_unused_locals): Define.
13119 * gimple-low.c (expand_var_p, remove_useless_vars,
13120 pass_remove_useless_vars): Remove. Update all users.
13121 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13122 (remove_unused_locals): New function.
13123 * tree-flow.h (remove_unused_locals): Declare.
13124 * passes.c (execute_todo): Call remove_unused_locals if
13125 TODO_remove_unused_locals is set.
13126 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13127 * tree-ssa-dce.c (pass_dce): Likewise.
13128 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13130 2006-01-05 Richard Guenther <rguenther@suse.de>
13132 * tree-flow.h (struct fieldoff): Decompose field to
13133 type, size and decl.
13134 * tree-ssa-alias.c (create_sft): Take type as parameter.
13135 (create_overlap_variables_for): Store type, size and decl
13136 in the fieldoff structure.
13137 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13138 of struct fieldoff.
13139 (push_fields_onto_fieldstack): Likewise.
13140 (create_variable_info_for): Likewise. Use offset for the
13141 SFT name if the decl is not available.
13143 2006-01-04 Paul Brook <paul@codesourcery.com>
13145 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13147 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13149 * lambda-code.c (can_put_in_inner_loop): Relax
13151 (can_put_after_inner_loop): New function.
13152 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13153 (perfect_nestify): Change to make copies and modify uses.
13155 2006-01-04 Richard Henderson <rth@redhat.com>
13157 Merge from gomp branch:
13158 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13159 via integer constant.
13160 (pragma_lex): Remove.
13161 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13162 rather than parsing it.
13163 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13164 handle_pragma_extern_prefix): Add %< %> quotes.
13165 (registered_pragmas): New.
13166 (c_register_pragma_1): New.
13167 (c_register_pragma): Use it.
13168 (c_register_pragma_with_expansion): Likewise.
13169 (c_invoke_pragma_handler): New.
13170 (init_pragma): Use cpp_register_deferred_pragma directly for
13172 * c-pragma.h (enum pragma_kind): New.
13173 (pragma_handler): New.
13174 (c_invoke_pragma_handler): Declare.
13175 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13177 * c-common.h (c_common_pch_pragma): Update decl.
13178 * Makefile.in (c-parser.o): Update dependencies.
13179 (GTFILES): Add c-pragma.h.
13180 * c-parser.c (struct c_token): Add pragma_kind.
13181 (struct c_parser): Add in_pragma.
13182 (c_lex_one_token): Always initialize keyword and pragma_kind.
13183 Extract data for CPP_PRAGMA.
13184 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13185 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13186 Don't allow CPP_PRAGMA_EOL if in_pragma.
13187 (c_parser_consume_pragma): New.
13188 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13189 (c_parser_skip_to_end_of_parameter): Likewise.
13190 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13191 (c_parser_skip_to_pragma_eol): New.
13192 (c_parser_external_declaration): Handle CPP_PRAGMA.
13193 (c_parser_compound_statement_nostart): Likewise.
13194 (c_parser_statement_after_labels): Likewise.
13195 (c_parser_pragma): New.
13196 (pragma_lex): Likewise.
13197 (c_parser_pragma_pch_preprocess): New.
13198 (c_parser_new): Merge into ...
13199 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13201 2006-01-04 Jeff Law <law@redhat.com>
13204 * tree-cfg.c (bsi_replace): Remove the original statement
13205 from the EH throw statement table.
13207 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13209 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13210 make the prototype extern "C" and add throw ().
13213 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13214 and pos non-negative and pos + len <= 32.
13215 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13216 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13217 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13220 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13221 as well as sizes not multiple of component size.
13224 * function.c (instantiate_expr): New function.
13225 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13226 walk its DECL_VALUE_EXPR with instantiate_expr.
13228 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13229 DW_OP_deref{,_size} if address isn't going to be added.
13231 2006-01-04 Ben Elliston <bje@au.ibm.com>
13233 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13234 * config/fp-bit.c: Likewise.
13236 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13238 * dominance.c: Add comment about why we use DFS numbering
13241 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13242 Richard Henderson <rth@redhat.com>
13244 Merge from gomp-branch:
13245 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13246 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13248 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13250 PR rtl-optimization/25578
13251 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13252 pass a parameter to simplify_shift_const if changing ASHIFTRT
13255 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13257 * builtins.c (get_builtin_sync_mem): New function.
13258 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13259 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13260 Call get_builtin_sync_mem to generate mem rtx.
13262 2006-01-03 Richard Guenther <rguenther@suse.de>
13265 * stmt.c (add_case_node): Make sure to clear overflow flags
13268 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13270 Merge from gomp-branch.
13271 * config/sparc/sync.md: New file.
13272 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13273 UNSPECV_LDSTUB): New constants.
13274 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13275 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13276 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13279 2006-01-03 Roger Sayle <roger@eyesopen.com>
13281 * combine.c (reg_subword_p): New predicate to test whether the
13282 destination of a set refers to a subword/piece of a register.
13283 (try_combine): Generalize the code to merge the setting of a
13284 pseudo to a constant followed by a set of a subword of that
13285 register to a constant.
13287 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13289 * basic-block.h (control_flow_graph): Change the type of
13290 x_label_to_block_map to VEC(basic_block,gc) *.
13291 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13292 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13294 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13295 VEC(basic_block,heap) *.
13296 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13297 ssa_prop_fini): Adjust the uses of cfg_blocks.
13299 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13301 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13303 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13304 hashing trees instead of a pointer hash.
13305 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13306 compare for MEM_EXPR.
13308 PR rtl-optimization/25130
13309 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13310 when comparing MEMs for GCSE
13312 2006-01-03 Ben Elliston <bje@au.ibm.com>
13314 * targhooks.h (default_decimal_float_supported_p): Declare.
13315 * targhooks.c (default_decimal_float_supported_p): Define.
13316 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13317 `default_decimal_float_supported_p'.
13318 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13320 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13322 * combine.c (apply_distributive_law <SUBREG>): Check
13323 TRULY_NOOP_TRUNCATION.
13325 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13327 * dwarf2out.c (have_switched_text_section): Delete.
13328 (have_multiple_function_sections): New.
13329 (have_location_lists): Make 'bool'.
13330 (add_AT_loc_list): Use 'true' not '1'.
13331 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13332 (output_loc_list): Use have_multiple_function_sections.
13333 (output_ranges): Likewise.
13334 (dwarf2out_begin_function): Set have_multiple_function_sections if
13336 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13337 Check function_section rather than DECL_SECTION_NAME.
13338 (dwarf2out_finish): Use have_multiple_function_sections.
13339 Don't clear have_location_lists.
13341 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13342 Jan Hubicka <jh@suse.cz>
13344 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13345 case of conditional jump jumping to the next instruction.
13346 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13347 cases of conditional jump jumping to the next instruction.
13349 2006-01-02 Jan Hubicka <jh@suse.cz>
13351 * i386.c (*_cost): Add COSTS_N_INSNS.
13352 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13354 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13357 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13359 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13361 * config/arm/arm.c (all_fpus): Fix comment typo.
13362 * config/darwin.c: Likewise.
13363 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13364 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13365 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13367 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13369 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13370 (rs6000_split_compare_and_swapqhi): New.
13371 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13372 (sync_compare_and_swapqhi_internal): New.
13373 * config/rs6000/rs6000-protos.h: Declare.