1 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3 * config/score/crti.asm: New file.
4 * config/score/crtn.asm: New file.
5 * config/score/elf.h: New file.
6 * config/score/mac.md: New file.
7 * config/score/misc.md: New file.
8 * config/score/mul-div.S: New file.
9 * config/score/predicates.md: New file.
10 * config/score/score7.md: New file.
11 * config/score/score.c: New file.
12 * config/score/score-conv.h: New file.
13 * config/score/score.h: New file.
14 * config/score/score.md: New file.
15 * config/score/score-mdaux.c: New file.
16 * config/score/score-mdaux.h: New file.
17 * config/score/score-modes.def: New file.
18 * config/score/score.opt: New file.
19 * config/score/score-protos.h: New file.
20 * config/score/score-version.h: New file.
21 * config/score/t-score-elf: New file.
22 * config.gcc: Add score*-*-* configurations(Update before).
23 * doc/invoke.texi (Score Options): New section.
24 * doc/md.texi (Score family): New section to document constraints.
26 2006-10-19 Nick Clifton <nickc@redhat.com>
28 * config/arm/arm.c: Fix spelling typo.
30 2006-10-18 Tom Tromey <tromey@redhat.com>
32 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
34 2006-10-18 Jan Hubicka <jh@suse.cz>
37 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
40 2006-10-18 Marcin Dalecki <martin@dalecki.de>
42 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
43 TSI_SAME_STMT, since that's the desired entity.
45 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
47 * config/s390/contraints.md: New file.
48 * config/s390/s390-protos.h (s390_mem_constraint,
49 s390_O_constraint_str, s390_N_constraint_str,
50 s390_float_const_zero_p): Function prototypes added.
51 * config/s390/s390.c (s390_extra_constraint_str,
52 s390_const_double_ok_for_constraint_p,
53 s390_const_ok_for_constraint_p): Functions removed.
54 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
55 s390_float_const_zero_p): New functions.
56 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
57 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
58 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
59 Macro definitions removed.
60 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
61 s390_extra_constraint_str): Functions removed.
63 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
64 Richard Sandiford <richard@codesourcery.com>
67 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
68 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
70 2006-10-16 Geoffrey Keating <geoffk@apple.com>
72 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
73 (DWARF2_FRAME_REG_OUT): Likewise.
74 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
75 (DWARF2_FRAME_REG_OUT): Likewise.
77 2006-10-17 Paul Brook <paul@codesourcery.com>
79 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
81 2006-10-16 Brooks Moses <bmoses@stanford.edu>
83 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
84 Standardize on "GNU Fortran" as the official name of the Fortran
87 2006-10-16 Mike Stump <mrs@apple.com>
89 * doc/invoke.texi (Darwin Options): Document -mkernel.
90 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
92 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
93 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
94 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
95 (OS_MISSING_ALTIVEC): Add.
96 * config/i386/i386.c (override_options): Add
97 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
98 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
99 -mkernel, -static or -mdynamic-no-pic is given.
100 (C_COMMON_OVERRIDE_OPTIONS): Add.
101 * config/darwin.opt (fapple-kext): Add.
103 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
104 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
106 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
107 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
108 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
109 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
110 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
112 (flag_apple_kext): Add.
113 (TARGET_KEXTABI): Add.
114 * config/darwin.c (darwin_handle_kext_attribute): Add.
115 (DARWIN_VTABLE_P): Add.
116 (darwin_binds_local_p): Add partial support for rebinding vtables
118 (darwin_kextabi_p): Add.
119 (darwin_override_options): Add.
120 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
121 (darwin_kextabi_p): Add.
122 (darwin_override_options): Add.
123 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
124 __DYNAMIC__ and __STATIC__ here.
126 2006-10-16 Brooks Moses <bmoses@stanford.edu>
128 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
129 Added mention of "make pdf" target, and Texinfo requirements for
132 2006-10-16 DJ Delorie <dj@redhat.com>
134 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
135 into the GOT in case we need a subreg of the address.
137 2006-10-16 Richard Guenther <rguenther@suse.de>
140 * doc/extend.texi (X86 Built-in Functions): Fix typos in
141 SSE builtin documentation. Document SSE2 builtins.
143 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
145 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
146 symbol in the output file for non-shared links when -nostdlib or
147 -nodefaultlibs isn't specified.
149 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
150 posix thread support.
152 2006-10-15 Jan Hubicka <jh@suse.cz>
155 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
156 declared always_inline even when not inlining.
158 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
159 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
160 Andrew Pinski <pinskia@gmail.com>
163 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
165 2006-10-15 Jan Hubicka <jh@suse.cz>
166 Richard Guenther <rguenther@suse.de>
169 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
170 process_function_and_variable_attributes on all variables, including
171 those discovered during cgraph construction phase.
173 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
175 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
177 2006-10-14 Uros Bizjak <uros@kss-loka.si>
179 * config/i386/athlon.md (athlon_fist): Add fisttp.
181 2006-10-13 David Edelsohn <edelsohn@gnu.org>
182 Ian Lance Taylor <ian@airs.com>
185 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
186 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
189 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
191 * config/score/score.c, config/score/score.h: Fix comment
194 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
200 2006-10-13 Eric Christopher <echristo@apple.com>
202 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
204 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
207 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
208 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
209 alignment supported by 32-bit ELF.
211 2006-10-13 Eric Christopher <echristo@apple.com>
213 * config/darwin.c (darwin_emit_unwind_label): Strip
214 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
216 2006-10-13 Richard Guenther <rguenther@suse.de>
218 PR tree-optimization/29446
219 * tree-vrp.c (fix_equivalence_set): Remove.
220 (extract_range_from_assert): Do not call fix_equivalence_set.
221 (debug_value_range): Print a newline.
222 (compare_name_with_value): For equivalence sets with
223 inconsistent value ranges conservatively bail out.
224 (compare_names): Likewise.
226 2006-10-13 David Edelsohn <edelsohn@gnu.org>
228 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
229 and MPFR for gfortran.
231 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
233 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
234 alignment supported by 32-bit ELF.
236 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
240 * c-typeck.c (digest_init): Always allow initializing vectors
241 that have static storage duration with compound literals.
242 * tree.c (build_type_attribute_qual_variant): New, based on
243 build_type_attribute_variant.
244 (build_type_attribute_variant): Rewrite using the former.
245 (make_vector_type): Use build_type_attribute_qual_variant to build
246 type variants. Use type_hash_canon on the others.
248 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
249 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
251 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
253 2006-10-12 Jan Hubicka <jh@suse.cz>
256 * c-decl.c (c_make_fname_decl): Do not segfault in case where
257 current_function_decl is set but current_function_scope is not.
259 2006-10-12 Jie Zhang <jie.zhang@analog.com>
261 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
262 emit_insn to emit eh_return_internal instruction.
263 (eh_return_internal): Explicitly set pc.
265 2006-10-11 Richard Guenther <rguenther@suse.de>
267 PR tree-optimization/28230
268 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
269 to the correct place.
271 2006-10-11 Richard Guenther <rguenther@suse.de>
274 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
277 2006-10-10 Brooks Moses <bmoses@stanford.edu>
279 * configure.ac: Added pdf to "Make-hooks"
280 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
281 targets and *.pdf file patterns in cleanup targets.
282 * configure: Regenerated.
284 2006-10-10 Anatoly Sokolov <aesok@post.ru>
286 * config/avr/predicates.md: New file.
287 * config/avr/avr.md: Include it.
288 (REG_SP): New constant.
289 (peepholes): Use predicates.
290 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
291 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
292 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
294 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
296 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
299 2006-10-10 Jakub Jelinek <jakub@redhat.com>
302 * builtins.c (var_decl_component_p): New function.
303 (fold_builtin_memset, fold_builtin_memory_op): Restrict
304 single entry optimization to variables and components thereof.
306 2006-10-10 Richard Guenther <rguenther@suse.de>
308 PR rtl-optimization/29323
309 * except.c (set_nothrow_function_flags): For functions
310 that do not bind local bail out early.
312 2006-10-10 Ben Elliston <bje@au.ibm.com>
314 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
317 2006-10-09 Richard Henderson <rth@redhat.com>
321 2006-10-09 Richard Guenther <rguenther@suse.de>
324 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
327 2006-10-09 Steve Ellcey <sje@cup.hp.com>
330 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
331 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
332 * configure: Regenerate.
333 * config.in: Regenerate.
335 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
337 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
339 2006-10-08 Richard Sandiford <richard@codesourcery.com>
341 * config/mips/mips.c (mips_legitimize_tls_address): Implement
342 all TLS models in the same way as local exec if !TARGET_ABICALLS.
343 Remove stray newline.
345 2006-10-08 Richard Sandiford <richard@codesourcery.com>
347 * config/mips/mips.c (mips_classify_symbol): Do not return
348 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
349 (mips_in_small_data_p): Tweak comments.
351 2006-10-08 Richard Sandiford <richard@codesourcery.com>
353 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
355 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
357 * gimplify.c, sched-int.h: Fix comment typos.
359 * sched-int.h: Fix comment typos.
361 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
363 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
365 * sched-ebb.c (begin_schedule_ready): Use them.
366 * haifa-sched.c (schedule_insn, move_insn, try_ready,
367 add_to_speculative_block, create_check_block_twin, speculate_insn,
368 fix_jump_move, move_block_after_check): Ditto.
369 * sched-rgn.c (new_ready): Ditto.
371 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
373 PR rtl-optimization/29128
374 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
375 * sched-ebb.c (advance_target_bb): Use it to fix condition to
376 allow interblock movement of speculation checks.
378 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
381 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
382 casted to integer type.
383 (get_address_cost): Decrease cost of [symbol + index] addressing modes
384 if they are significantly more expensive than [reg + index] ones.
386 2006-10-06 Jakub Jelinek <jakub@redhat.com>
388 PR tree-optimization/29330
389 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
390 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
391 on newly allocated ddrs.
392 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
393 to VEC (loop_p, heap) pointer.
394 (compute_data_dependences_for_loop): Adjust caller.
395 (free_dependence_relations): Free DDR_LOOP_NEST.
397 * tree-loop-linear.c (linear_transform_loops): Don't forget to
398 free DEPENDENCE_RELATIONS and DATAREFS.
401 * builtins.c (expand_builtin_sync_operation,
402 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
403 Use convert_to_mode to handle promoted arguments.
405 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
407 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
409 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
411 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
413 2006-10-05 Uros Bizjak <uros@kss-loka.si>
415 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
416 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
417 Use <modeconstraint> instead of "r" as operand 1 constraint.
419 2006-10-06 Olivier Hainque <hainque@adacore.com>
421 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
422 Don't recurse on the pointed-to type.
423 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
424 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
425 types with components of variable size.
427 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
429 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
431 2006-10-06 Jakub Jelinek <jakub@redhat.com>
433 PR tree-optimization/29290
434 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
438 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
439 * config/i386/predicates.md (local_symbolic_operand): Likewise.
442 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
443 the number of vector elements fill the rest with zeros.
445 2006-10-05 Richard Sandiford <richard@codesourcery.com>
447 * config/mips/mips.c (mips_pass_by_reference): Do not return false
448 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
451 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
453 * config/bfin/bfin.md (subsi3): Lose expander, change previously
454 unnamed pattern into subsi3. Use correct constraints/predicates.
455 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
456 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
458 2006-10-05 Ira Rosen <irar@il.ibm.com>
460 * doc/loop.texi: Add data references analysis description.
462 2006-10-04 Brooks Moses <bmoses@stanford.edu>
464 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
466 2006-10-04 Richard Henderson <rth@redhat.com>
467 Jakub Jelinek <jakub@redhat.com>
469 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
470 * builtin-types.def (BT_WORD): Make unsigned.
471 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
472 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
473 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
474 * c-decl.c (grokdeclarator): Don't error if !have_tls.
475 * c-parser.c (c_parser_omp_threadprivate): Likewise.
476 * cgraph.c (decide_is_variable_needed): Look at force_output.
477 Recurse for emulated tls.
478 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
479 checks redundant with decide_is_variable_needed.
480 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
481 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
483 * expr.c (emutls_var_address): New.
484 (expand_expr_real_1): Expand emulated tls.
485 (expand_expr_addr_expr_1): Likewise.
486 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
487 * output.h (emutls_finish): Declare.
488 * toplev.c (compile_file): Call it.
489 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
490 address before wrapping in CONST.
491 * varasm.c (emutls_htab, emutls_object_type): New.
492 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
493 (get_emutls_object_name, get_emutls_object_type): New.
494 (get_emutls_init_templ_addr, emutls_decl): New.
495 (emutls_common_1, emutls_finish): New.
496 (assemble_variable): When emulating tls, swap decls; generate
497 constructor for the emutls objects.
498 (do_assemble_alias): When emulating tls, swap decl and target name.
499 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
501 * emutls.c: New file.
502 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
503 tls_object for real tls.
505 2006-10-04 Zack Weinberg <zackw@panix.com>
507 Fix bug in constraint-check generator, reported by Rask Ingemann
509 * genpreds.c (add_constraint): Don't remove anything from the
511 (write_tm_constrs_h): Detect whether "op" argument is used, and
512 mark it ARG_UNUSED if it isn't.
513 (write_insn_const_int_ok_for_constraint): Skip the part of the
514 expression that would test whether "op" (which is not available
515 here) is a CONST_INT.
517 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
520 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
522 2006-10-03 Geoffrey Keating <geoffk@apple.com>
524 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
525 current Leopard versions.
526 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
528 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
530 * doc/install.texi: Fix typos.
532 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
534 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
535 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
536 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
538 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
540 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
541 arg to be struct mach_header_64* instead.
543 2006-10-02 Jakub Jelinek <jakub@redhat.com>
546 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
547 side effects after the outer expression's post side effects.
549 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
551 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
552 comments to reflect actual behavior and relationship between
553 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
555 * doc/c-tree.texi (Working with declarations): Fix documentation
556 of FIELD_DECL likewise.
558 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
561 * doc/extend.texi: Add used variable attribute description.
563 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
566 * c.opt (Woverride-init): New.
567 * c-opts.c (c_common_post_options): Default warn_override_init to
569 * c-typeck.c (add_pending_init, output_init_element): Warn for
570 overriding initializers without side effects.
571 * doc/invoke.texi (-Woverride-init): Document.
574 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
576 PR rtl-optimization/28096
577 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
578 assignment has already been used as a destination earlier in the block.
580 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
582 * builtins.c (expand_builtin_setjmp): Delete.
583 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
584 <BUILT_IN_SETJMP_SETUP>: New case.
585 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
586 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
587 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
588 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
589 (BUILT_IN_SETJMP_RECEIVER): Likewise.
590 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
591 (lower_function_body): Initialize it to false. If it is set to true
592 at the end of the processing, emit the setjmp dispatcher.
593 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
594 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
595 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
596 on the rhs of the assignment.
597 (lower_builtin_setjmp): New function.
598 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
599 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
600 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
601 to detect calls that can go to non-local labels. Use specific
602 helper to create the abnormal edges associated with them.
603 <MODIFY_EXPR>: Likewise.
604 (make_abnormal_goto_edges): New function extracted from...
605 (make_goto_expr_edges): ...here. Call it for computed gotos.
606 (simple_goto_p): Minor tweak.
607 (tree_can_make_abnormal_goto): New predicate.
608 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
609 (tree_purge_dead_abnormal_call_edges): New function.
610 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
611 (tree_purge_dead_abnormal_call_edges): Likewise.
612 (make_abnormal_goto_edges): Likewise.
613 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
614 Purge all dead abnormal edges if the call was in the last statement.
615 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
616 (execute_fixup_cfg): If there are non-local labels in the function,
617 scan the basic blocks and split them at calls that can go to non-local
618 labels or add missing abnormal call edges. Write down the CFG in the
620 (pass_fixup_cfg): Remove TODO_dump_func flag.
621 * unwind-sjlj.c: Poison setjmp.
622 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
623 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
624 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
625 (DONT_USE_BUILTIN_SETJMP): Document it.
627 2006-09-28 Geoffrey Keating <geoffk@apple.com>
630 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
631 to 1 when __ppc64__ is defined.
632 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
634 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
636 2006-09-28 Steve Ellcey <sje@cup.hp.com>
638 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
639 * config/ia64/unwind-hpux.c: Delete.
641 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
643 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
644 on the element before gimplifying it, instead of punting if it is of
647 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
649 * doc/loop.texi: New file.
650 * doc/gccint.texi: Reference loop.texi.
651 * Makefile.in (loop.texi): Add.
653 2006-09-27 Geoffrey Keating <geoffk@apple.com>
655 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
657 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
658 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
660 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
662 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
664 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
666 * doc/install.texi: Document required versions of GMP and MPFR.
668 2006-09-27 Paul Brook <paul@codesourcery.com>
671 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
673 2006-09-27 Richard Sandiford <richard@codesourcery.com>
675 * reload1.c (alter_reg): Require the alignment of the stack slot to
676 be at least reg_max_ref_width bytes.
677 (scan_paradoxical_subregs): Record the largest width in
680 2006-09-26 Jakub Jelinek <jakub@redhat.com>
684 * tree-nested.c (struct nesting_info): Added static_chain_added.
685 (convert_call_expr): Set static_chain_added when adding static
686 chain. Handle OMP_PARALLEL and OMP_SECTION.
688 2006-09-25 Matthias Klose <doko@debian.org>
690 * doc/invoke.texi: Add missing full stop.
692 2006-09-25 Richard Henderson <rth@redhat.com>
694 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
695 before cgraph_function_flags_ready.
697 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
698 Adam Nemet <anemet@caviumnetworks.com>
700 * tree-ssa-loop-ivopts.c (aff_combination_convert,
701 determine_common_wider_type): New functions.
702 (get_computation_aff): Use them to simplify arithmetic between
703 UBASE and CBASE if they are shortened from the same type.
705 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
708 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
709 -2147483647 - 1 instead of 0x80000000.
711 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
713 * flags.h (HONOR_NANS): Fix typo in comment.
715 2006-09-23 Uros Bizjak <uros@kss-loka.si>
717 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
719 2006-09-23 Jakub Jelinek <jakub@redhat.com>
723 * tree.c (merge_attributes, attribute_list_contained): If both
724 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
726 * c-typeck.c (comptypes_internal): Don't consider aggregates
727 in different TUs as compatible if there one set of attributes is
728 not a subset of the other type's attributes.
729 (composite_type): Try harder not to create a new aggregate type.
731 2006-09-22 Geoffrey Keating <geoffk@apple.com>
733 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
734 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
735 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
736 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
737 than replicating condition above.
738 * config.host (i[34567]86-*-*): Always use driver-i386.o.
740 * config/darwin.h (LINK_SYSROOT_SPEC): New.
741 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
742 the linker by default.
744 2006-09-22 Mike Stump <mrs@apple.com>
746 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
749 2006-09-22 Richard Guenther <rguenther@suse.de>
752 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
753 sort of stack variables stable.
755 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
758 * explow.c (force_reg): Set REG_POINTER flag according to
761 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
763 PR tree-optimization/28888
764 * tree-if-conv.c (combine_blocks): Rewritten.
765 * tree-cfg.c (tree_verify_flow_info): Check that edges with
766 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
768 2006-09-22 Jakub Jelinek <jakub@redhat.com>
770 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
773 2006-09-21 Richard Sandiford <richard@codesourcery.com>
775 * varasm.c (copy_constant): Fix reversed gcc_assert check.
777 2006-09-21 Janis Johnson <janis187@us.ibm.com>
779 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
781 2006-09-21 Roger Sayle <roger@eyesopen.com>
784 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
785 dw_fde_current_label, to be the start of the function, i.e. the same
786 value as dw_fde_begin.
788 2006-09-20 Richard Sandiford <richard@codesourcery.com>
790 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
791 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
792 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
793 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
794 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
795 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
796 (abs<mode>2, neg<mode>2): Likewise.
797 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
798 (*mips_abs_ps): New define_insn.
800 2006-09-20 Josh Conner <jconner@apple.com>
803 * calls.c (expand_call): Allow reuse of structure return stack
806 2006-09-20 Paul Brook <paul@codesourcery.com>
808 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
811 2006-09-20 Janis Johnson <janis187@us.ibm.com>
813 * doc/extend.texi (Decimal Float): Update for latest draft TR,
814 clean up terminology.
816 2006-09-20 Steve Ellcey <sje@cup.hp.com>
819 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
820 with tablejumps in them.
822 2006-09-20 Jakub Jelinek <jakub@redhat.com>
825 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
826 wrap it into TARGET_EXPR.
828 2006-09-20 Eric Christopher <echristo@apple.com>
830 * config/i386/i386.c (x86_fisttp): Remove.
831 * config/i386/i386.h (x86_fisttp): Ditto.
832 (TARGET_FISTTP): Ditto.
834 2006-09-19 Eric Christopher <echristo@apple.com>
836 * doc/tm.texi (OBJC_JBLEN): Describe.
837 * config/i386/darwin.h (OBJC_JBLEN): Define.
838 * config/rs6000/darwin.h: Ditto.
840 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
842 PR rtl-optimization/21299
843 * reload1.c (reload): Purge invalid ASMs in the final pass.
845 2006-09-19 Steve Ellcey <sje@cup.hp.com>
848 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
849 pointers as legitimate constants.
851 2006-09-19 Paul Brook <paul@codesourcery.com>
854 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
856 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
858 PR tree-optimization/28887
859 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
860 component parts from the reference.
861 (gather_memory_references_ref): Record the reference without the
862 nonaddressable component parts.
864 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
867 * c-opts.c (c_common_handle_option): Ignore the -std options
868 if the input language is assembly.
870 2006-09-17 Ira Rosen <irar@il.ibm.com>
873 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
875 (ptr_ptr_may_alias_p): Likewise.
876 (record_record_differ_p): New function.
877 (base_object_differ_p): Call record_record_differ_p.
879 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
882 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
883 away for the expr argument.
885 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
888 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
889 before using it for dumping after vectorizing loops.
891 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
892 Jack Howarth <howarth@bromo.med.uc.edu>
895 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
896 skip on error_mark_node.
897 (rs6000_darwin64_record_arg_recurse): Likewise.
899 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
901 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
902 * doc/rtl.texi: Remove related documentation.
904 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
906 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
909 2006-09-15 Jim Wilson <wilson@specifix.com>
911 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
912 Handle symbol offsets same as they are handled in ia64_expand_move
915 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
917 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
918 Add forgotten parameter to the fprintf call.
920 2006-09-15 Steve Ellcey <sje@cup.hp.com>
922 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
924 2006-09-15 Uros Bizjak <uros@kss-loka.si>
926 * doc/contrib.texi: Add my entry.
928 2006-09-15 Nick Clifton <nickc@redhat.com>
930 * doc/md.texi (Processor pipeline description): Fix typo in
931 example of how to use the absence_set directive and reword the
932 description to make it slightly easier to read.
934 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
936 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
937 * loop-doloop.c (doloop_optimize): Use it to limit costs of
938 expanding the number of iterations.
939 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
941 * cfgrtl.c (emit_insn_at_entry): New function.
942 * rtl.h (emit_insn_at_entry): Declare it.
943 * integrate.c (emit_initial_value_sets): Use it.
945 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
947 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
949 (struct loop_work and related VEC declarations): Delete.
950 (bfin_dump_loops): Print out new member bad.
951 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
952 (bfin_scan_loop): Don't recurse.
953 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
954 loops. No longer need to update outer loops if the current one is
955 found bad. Move some validitiy checks to bfin_discover_loop.
956 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
957 but changed not to check for nesting. Also changed to use the new bad
959 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
960 time. Use bitmap based test to discover loop nesting.
962 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
964 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
967 2006-09-14 Richard Guenther <rguenther@suse.de>
968 Kazu Hirata <kazu@codesourcery.com>
971 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
972 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
973 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
974 with TARGET_FUNCTION_VALUE.
976 2006-09-14 Anatoly Sokolov <aesok@post.ru>
979 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
981 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
983 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
986 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
989 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
992 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
994 * basic_block.h (bb_has_eh_pred): Fix comment.
996 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
998 * flow.c (calculate_global_regs_live): Invalidate eh registers
999 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1000 (propagate_block): Handle eh registers as if they were set at basic
1002 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1004 * global.c (global_conflicts): Make eh registers to conflict with
1005 pseudos live at basic block begin.
1006 * basic_block.h (bb_has_eh_pred): New function.
1008 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1010 PR rtl-optimization/28982
1011 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1012 index of a PRE_MODIFY or POST_MODIFY address.
1013 * reload1.c (inc_for_reload): Use find_replacement on the original
1014 base and index registers.
1016 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1018 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1019 for -Os. Update __m128 alignment requirement.
1021 2006-09-13 Jan Hubicka <jh@suse.cz>
1023 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1025 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1027 PR rtl-optimization/28243
1028 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1029 the insn to which the note was originally attached.
1031 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1032 Roger Sayle <roger@eyesopen.com>
1034 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1035 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1036 on platforms that don't use dwarf for debug info.
1038 2006-09-12 Jason Merrill <jason@redhat.com>
1041 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1042 hard_frame_pointer_rtx after using it to update the frame pointer.
1044 2006-09-12 Roger Sayle <roger@eyesopen.com>
1046 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1047 (TARGET_ASM_CLOSE_PAREN): Likewise.
1048 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1049 (TARGET_ASM_CLOSE_PAREN): Likewise.
1051 2006-09-12 Roger Sayle <roger@eyesopen.com>
1054 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1055 frame information for frames larger than 512 Kbytes on Tru64 when
1056 using the native assembler.
1058 2006-09-12 Roger Sayle <roger@eyesopen.com>
1062 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1063 and symbols. Instead use the implementation from cse.c's hash_rtx.
1065 2006-09-12 Jan Hubicka <jh@suse.cz>
1067 PR rtl-optimization/28071
1068 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1069 (vect_transform_loop): Likewise.
1070 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1071 (new_loop_vec_info): Likewise.
1072 (destroy_loop_vec_info): Likewise.
1073 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1074 (create_stmt_ann): Likewise.
1075 (create_tree_ann): Rename to ...
1076 (create_tree_common_ann): ... this one; allocate only the common part
1078 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1079 (get_value_handle): Likewise.
1080 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1081 get_tree_common_ann.
1082 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1083 (vinfo_for_stmt): Use stmt annotations.
1084 * tree-flow.h (tree_ann_common_t): New type.
1085 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1086 (tree_ann, get_tree_ann, create_tree_ann): New.
1087 * tree-flow-inline.h (get_function_ann): Do more type checking.
1088 (stmt_ann): Likewise.
1089 (tree_ann): Rename to ...
1090 (tree_common_ann): ... this one; return ony common_ann
1091 (get_tree_ann): Rename to ...
1092 (tree_common_ann): This one; return only common_ann.
1093 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1096 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1098 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1099 with_cpu by default.
1101 * dwarf2out.c (dwarf_file_data): New.
1102 (enum dw_val_class): Add dw_val_class_file.
1103 (struct dw_val_struct): Add val_file.
1104 (file_table): Change to a hash table.
1105 (file_table_emitted): Delete.
1106 (file_table_last_lookup_index): Delete.
1107 (emitcount): Delete.
1108 (last_emitted_file): New.
1109 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1110 (init_file_table): Delete.
1111 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1112 (AT_addr): Add comment.
1116 (print_die): Handle dw_val_class_file.
1117 (print_dwarf_line_table): Update for new file table structure.
1118 (attr_checksum): Do checksum a filename.
1119 (same_dw_val_p, same_attr_p): Do compare a filename.
1120 (size_of_die): Handle dw_val_class_file.
1121 (value_format): Likewise.
1122 (output_die): Likewise. Also, call maybe_emit_file here.
1123 (struct file_info): Constify filenames. Make file_idx a pointer
1124 to a struct dwarf_file_data.
1125 (struct dir_info): Constify directory names. Remove 'used' field.
1126 (struct file_name_acquire_data): New.
1127 (file_name_acquire): New.
1128 (output_file_names): Modify to handle new file data structures.
1129 (add_src_coords_attributes): Use add_AT_file.
1130 (add_call_src_coords_attributes): Likewise.
1131 (dwarf2out_imported_module_or_decl): Likewise.
1132 (gen_subprogram_die): Modify for new file data structures.
1133 (gen_variable_die): Likewise.
1134 (file_table_eq): New.
1135 (file_table_hash): New.
1136 (file_table_last_lookup): New.
1137 (lookup_filename): Rewrite to handle new file data structures.
1138 (maybe_emit_file): Rewrite to handle new file data structures.
1139 (dwarf2out_source_line): Always call lookup_filename and
1141 (dwarf2out_init): Create file_table here.
1142 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1143 (file_table_relative_p): New.
1144 (dwarf2out_finish): Change detection of relative filenames
1145 to work with new file data structures. Move output_line_info call
1146 after debug_info output.
1148 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1153 * config/i386/i386.c (override_options): Always default to 16
1154 byte stack boundary.
1156 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1159 * var-tracking.c (dump_dataflow_set): Start dumping at
1161 (clobber_variable_part): Kill only the variable part in
1162 registers holding it, leaving other variables alone.
1164 2006-09-11 Josh Triplett <josh@freedesktop.org>
1166 * doc/extend.texi (Other Builtins): Actually use the macro
1167 argument in the documentation example for
1168 __builtin_types_compatible_p.
1170 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1172 PR rtl-optimization/28726
1173 * sched-deps.c (sched_analyze_reg): New function extracted from...
1174 (sched_analyze_1): ...here. Call it to analyze references to
1175 registers. Treat again writes to a stack register as writing to the
1177 (sched_analyze_2): ...and here. Call it to analyze references to
1178 registers. Treat again reads of a stack register as reading the
1181 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1182 David Edelsohn <edelsohn@gnu.org>
1185 * config/rs6000/spe.md (frob_df_di): Remove %H.
1186 (frob_di_df): Remove %H. Change evmergelo to mr.
1187 (frob_di_df_2): Remove %H. Change evldd to two loads.
1189 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1191 * doc/cpp.texi: Fix names of charset options.
1193 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1196 * config/i386/i386.c (override_options): Use 128-bit
1197 stack boundary always for 64bits.
1199 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1201 PR rtl-optimization/28636
1202 * combine.c (force_to_mode): Test for side-effects before
1203 substituting by zero.
1204 (simplify_shift_const): Likewise for zero or other constants.
1206 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1209 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1212 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1215 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1216 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1217 returned by mode_for_size, rather than the mode of src itself,
1218 to choose between 32-bit and 64-bit patterns.
1219 (mips_mem_fits_mode_p): New function.
1220 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1221 that the size of the source matches the size of the destination.
1222 (mov_<store>l, mov_<store>r): Likewise.
1224 2006-09-10 Eric Christopher <echristo@apple.com>
1226 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1229 2006-09-09 Eric Christopher <echristo@apple.com>
1232 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1235 2006-09-09 Roger Sayle <roger@eyesopen.com>
1236 Nicolas Setton <setton@adacore.com>
1238 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1240 2006-09-10 Andreas Schwab <schwab@suse.de>
1242 * config/m68k/m68k.md (bungt_rev): New pattern.
1244 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1245 Dale Johannesen <dalej@apple.com>
1248 * regclass.c (struct reg_pref): Update documentation.
1249 (regclass): Set prefclass to NO_REGS if memory is the best option.
1250 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1252 2006-09-08 Eric Christopher <echristo@apple.com>
1254 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1255 * config/t-slibgcc-darwin: Support x86_64 multilib.
1256 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1257 Return 1 for x86_64-darwin.
1258 * config/i386/t-darwin: Add m64 multilib.
1259 (LIB2_SIDITI_CONV_FUNCS): Use.
1260 (LIB2FUNCS_EXTRA): Ditto.
1261 * config/i386/darwin.h: Support x86_64.
1262 * config/i386/i386.c (override_options): Turn on flag_pic
1263 for x86_64-darwin. Disable flag_omit_pointer.
1264 (get_pc_thunk_name): Assert !TARGET_64BIT.
1265 (legitimate_address_p): Disable machopic addressing for
1267 (legitimize_pic_address): Ditto.
1268 (ix86_expand_move): Ditto.
1269 (ix86_expand_call): Ditto.
1270 (machopic_output_stub): Ditto.
1271 * config/darwin.c (machopic_select_section): Support literal16.
1272 (machopic_select_rtx_section): Ditto.
1273 * config/darwin-sections.def: Ditto.
1274 * config/darwin-64.c: New.
1276 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1279 * c-tree.h (struct c_arg_info): Add pending_sizes.
1280 * c-parser.c (c_parser_parms_declarator,
1281 c_parser_parms_list_declarator): Initialize pending_sizes.
1282 * c-decl.c (get_parm_info): Initialize pending_sizes.
1283 (get_parm_info): Set pending_sizes.
1284 (grokdeclarator): Call put_pending_sizes for parameters for
1285 function definition only.
1287 2006-09-07 Jason Merrill <jason@redhat.com>
1290 * varasm.c (output_constant): Only strip actual no-op conversions.
1293 * config/i386/i386.c (override_options): Use 128-bit
1294 stack boundary if -msse.
1296 2006-09-07 Eric Christopher <echristo@apple.com>
1298 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1300 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1303 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1305 * dwarf2out.c: Remove strange characters from comment above
1306 dwarf2out_frame_debug_expr.
1308 2006-09-07 Eric Christopher <echristo@apple.com>
1310 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1311 * config/darwin.h: ... to here.
1313 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1315 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1317 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1318 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1320 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1321 TARGET_PARTIAL_FLAG_REG_STALL.
1322 (*ashldi3_cconly_rex64): Likewise.
1323 (*ashlsi3_cmp): Likewise.
1324 (*ashlsi3_cconly): Likewise.
1325 (*ashlsi3_cmp_zext): Likewise.
1326 (*ashlhi3_cmp): Likewise.
1327 (*ashlhi3_cconly): Likewise.
1328 (*ashlqi3_cmp): Likewise.
1329 (*ashlqi3_cconly): Likewise.
1330 (*ashrdi3_cmp_rex64): Likewise.
1331 (*ashrdi3_cconly_rex64): Likewise.
1332 (*ashrsi3_cmp): Likewise.
1333 (*ashrsi3_cconly): Likewise.
1334 (*ashrsi3_cmp_zext): Likewise.
1335 (*ashrhi3_cmp): Likewise.
1336 (*ashrhi3_cconly): Likewise.
1337 (*ashrqi3_cmp): Likewise.
1338 (*ashrqi3_cconly): Likewise.
1339 (*lshrdi3_cmp_rex64): Likewise.
1340 (*lshrdi3_cconly_rex64): Likewise.
1341 (*lshrsi3_cmp): Likewise.
1342 (*lshrsi3_cconly): Likewise.
1343 (*lshrsi3_cmp_zext): Likewise.
1344 (*lshrhi3_cmp): Likewise.
1345 (*lshrhi3_cconly): Likewise.
1346 (*lshrqi2_cmp): Likewise.
1347 (*lshrqi2_cconly): Likewise.
1349 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1352 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1353 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1354 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1355 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1356 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1357 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1358 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1359 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1360 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1361 implement only CC setting effects of shift instructions.
1363 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1365 * doc/contrib.texi: Add myself.
1367 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1370 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1371 was set by the user.
1373 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1376 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1377 (divsi_inv_m1): Use them.
1378 (UNSPEC_DIV_INV_TABLE): New constant.
1380 2006-09-06 James E Wilson <wilson@specifix.com>
1383 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1384 then call count_or_remove_death_notes.
1386 2006-09-06 Jason Merrill <jason@redhat.com>
1389 * tree-inline.c (copy_result_decl_to_var): New fn.
1390 (declare_return_variable): Use it. Call declare_inline_vars here.
1391 (expand_call_inline): Not here.
1393 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1395 * doc/contrib.texi: Update my entry.
1397 2006-09-06 Nick Clifton <nickc@redhat.com>
1399 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1401 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1404 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1405 (canonicalize_induction_variables): Likewise.
1406 (tree_unroll_loops_completely): Likewise.
1407 (tree_ssa_prefetch_arrays): Likewise.
1408 (remove_empty_loops): Likewise.
1409 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1410 TODO_cleanup_cfg instead of directly calling
1411 cleanup_tree_cfg_loop.
1412 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1414 (tree_unroll_loops_completely): Likewise.
1415 (remove_empty_loops): Likewise.
1416 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1417 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1418 of tree_ssa_unswitch_loops.
1419 (tree_ssa_loop_ivcanon): Use the return value of
1420 canonicalize_induction_variables.
1421 (tree_ssa_empty_loop): Use the return value of
1423 (tree_complete_unroll): Use the return value of
1424 tree_unroll_loops_completely.
1425 (tree_ssa_loop_prefetch): Use the return value of
1426 tree_ssa_prefetch_arrays.
1427 * passes.c (execute_todo): Before Cleanup CFG, set
1428 updating_used_alone and after cleanup CFG, call
1429 recalculate_used_alone.
1431 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1434 * tree-vect-transform.c (vectorizable_condition): Move the check
1435 for the type after the check for simple condition.
1437 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1438 Kaz Kojima <kkojima@gcc.gnu.org>
1441 * mode-switching.c (optimize_mode_switching): Make the destination
1442 block of an abnormal edge have no anticipatable mode. Don't
1443 insert mode switching code at the end of the source block of
1446 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1448 PR rtl-optimization/26847
1449 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1450 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1451 (simplify_plus_minus): Count n_constants while filling ops. Replace
1452 qsort with insertion sort. Before going through the array to simplify
1453 pairs, sort it. Delay early exit until after the first sort, exiting
1454 only if no swaps occurred. Simplify pairs in reversed order, without
1455 special-casing the first iteration. Pack ops after simplifying pairs.
1457 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1459 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1460 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1461 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1462 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1464 2006-09-05 Richard Guenther <rguenther@suse.de>
1466 PR tree-optimization/28900
1467 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1468 compound conditional before creating COND_EXPR condition.
1470 2006-09-05 Richard Guenther <rguenther@suse.de>
1472 PR tree-optimization/28905
1473 * tree-vrp.c (fix_equivalence_set): Manually implement
1474 !value_ranges_intersect_p to also handle symbolic ranges.
1476 2006-09-05 Richard Guenther <rguenther@suse.de>
1479 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1482 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1484 PR rtl-optimization/27616
1485 * cse.c (table_size): New static variable.
1486 (new_basic_block): Initialize it to 0.
1487 (remove_from_table): Decrement it.
1488 (insert): Increment it.
1489 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1490 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1491 fold_rtx_mem_1 if under the cap.
1492 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1493 the lookup of the equivalent expression and test for equality of the
1494 first operand of the equivalent expression before in turn looking up
1495 an equivalent constant for the second operand.
1497 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1500 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1501 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1502 pointer, instead of assuming it is possible to derive the
1503 correct args size from a call insn.
1505 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1508 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1509 (fold_builtin_mempcpy): Rename to...
1510 (fold_builtin_memory_op): ... this. Optimize one element copy
1512 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1514 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1515 (expand_builtin_memcpy, expand_builtin_mempcpy,
1516 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1517 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1518 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1519 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1521 2006-09-01 DJ Delorie <dj@redhat.com>
1523 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1524 (stzx_16): Likewise.
1525 ("stzx_24_<mode>"): Likewise.
1526 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1527 ("cmp<mode>_op"): New.
1528 (cmp<mode>): Change to expander; just save operands.
1530 (b<code>): Change to expander, emit compare here.
1531 (s<code>_op): Change to use split and expander.
1532 (s<code>_24_op): Likewise.
1533 (s<code>_<mode>): New.
1534 (s<code>_<mode>_24): New.
1535 (movqicc_<code>_<mode): New.
1536 (movhicc_<code>_<mode>): New.
1539 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1540 (m32c_pend_compare): New.
1541 (m32c_unpend_compare): New.
1542 (m32c_expand_scc): New.
1543 (m32c_expand_movcc): Emit the compare also.
1544 * config/m32c/predicates.md (mra_nopp_operand): New.
1546 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1547 Richard Guenther <rguenther@suse.de>
1548 Adam Nemet <anemet@caviumnetworks.com>
1551 * builtins.c (get_pointer_alignment): Handle more forms
1552 of base addresses that can be used to derive more precise
1553 information about alignment.
1555 2006-09-01 Jason Merrill <jason@redhat.com>
1558 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1561 * gimplify.c (voidify_wrapper_expr): Handle null type.
1563 2006-09-01 Josh Conner <jconner@apple.com>
1566 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1567 (execute_return_slot_opt): Use it.
1569 2006-08-31 Josh Conner <jconner@apple.com>
1572 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1573 returning aggregates.
1575 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1577 PR tree-optimization/28839
1578 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1579 blocks in that phi arguments appear.
1581 2006-08-31 Roger Sayle <roger@eyesopen.com>
1584 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1585 NULL, otherwise use an advance_loc4 to adjust relative to the
1587 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1588 (dwarf2out_switch_text_section): Reset the current label to avoid
1589 using advance_loc4 over section boundaries.
1591 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1594 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1595 r12 + SYMBOLIC_CONST.
1597 2006-08-30 Richard Guenther <rguenther@suse.de>
1599 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1601 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1603 PR rtl-optimization/27735
1604 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1605 Add new argument to keep track of whether an irreducible region
1606 was affected. All callers changed.
1607 (fix_irreducible_loops): Removed.
1608 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1609 flags were invalidated.
1611 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1613 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1614 instead of SF operands.
1615 (*fop_df_comm_sse): Likewise.
1616 (*fop_df_comm_i387): Likewise.
1617 (*fop_df_1_mixed): Likewise.
1618 (*fop_df_1_sse): Likewise.
1620 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1621 J"orn Rennecke <joern.rennecke@st.com>
1623 PR tree-optimization/17506
1624 * tree-ssa.c (warn_uninit): If warning about a location outside of
1625 the current function, note where the variable was declared.
1627 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1629 PR tree-optimization/28411
1630 * double-int.c (double_int_div): Use double_int_divmod.
1631 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1632 double_int_mod, double_int_smod, double_int_umod): New functions.
1633 * double-int.h (double_int_divmod, double_int_sdivmod,
1634 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1636 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1638 (get_computation_aff, get_computation_cost_at): Handle double_int
1639 return type of constant_multiple_of.
1641 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1644 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1645 an implicit conversion.
1647 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1649 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1651 2006-08-27 Roger Sayle <roger@eyesopen.com>
1653 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1656 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1658 * config/i386/crtfastmath.c: Fix a comment typo.
1660 2006-08-26 Roger Sayle <roger@eyesopen.com>
1662 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1663 temporary visit flags on CASE_LABEL_EXPRs.
1664 * c-common.c (match_case_to_enum): Add function comment. Avoid
1665 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1666 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1667 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1668 a constant, only warn if that constant value isn't handled.
1670 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1673 * input.h (restore_input_file_stack): Declare.
1674 (INPUT_FILE_STACK_BITS): Define.
1675 * toplev.c (fs_p, input_file_stack_history,
1676 input_file_stack_restored, restore_input_file_stack): New.
1677 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1678 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1679 (pop_srcloc): Don't free old state of stack.
1681 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1684 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1685 (PowerPC Type Attributes): New.
1687 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1689 * config/xtensa/xtensa.c (function_arg_boundary): New.
1690 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1692 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1693 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1695 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1698 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1701 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1703 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1704 (verify_local_live_at_start): Likewise.
1706 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1709 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1710 omp_add_variable): Treat sizes as variable whenever not
1713 2006-08-26 Richard Guenther <rguenther@suse.de>
1716 * fold-const.c (fold_binary): Fold temporary to correct
1717 type before constructing new comparison.
1719 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1722 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1723 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1725 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1728 * c-decl.c (start_function): Don't try to process prototype
1729 information from old declaration that isn't a function.
1731 2006-08-25 Jan Hubicka <jh@suse.cz>
1734 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1736 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1739 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1742 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1744 PR tree-optimization/16876
1745 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1746 exit if PARM doesn't match VALUE.
1748 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1750 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1751 literal_prefix directive.
1752 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1753 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1754 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1756 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1759 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1760 predicate to general_operand. Add 0->y and I->r alternatives.
1762 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1764 * doc/tm.texi: Fix a typo.
1765 * predict.c: Fix comment typos.
1767 2006-08-25 Nick Clifton <nickc@redhat.com>
1769 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1770 assertions of "cpu" and "machine".
1772 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1775 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1776 the access through a base which has an alias set of 0 cannot
1779 2006-08-24 Bill Wendling <wendling@apple.com>
1781 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1783 2006-08-24 Jan Hubicka <jh@suse.cz>
1785 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1787 2006-08-24 Jan Hubicka <jh@suse.cz>
1790 * cgraph.c: Fix comments.
1791 (cgraph_varpool_mark_needed_node): Mark only variables not already
1793 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1794 (cgraph_varpool_assembled_nodes_queue): New static variable.
1795 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1796 (cgraph_varpool_output_debug_info): New function.
1797 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1798 * Makefile.in: Add gt-cgraphunit.h
1800 2006-08-24 Jan Hubicka <jh@suse.cz>
1802 * predict.c (probability_reliable_p): New predicate.
1803 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1804 (predict_loops): Do not predict loop exit with less than 2%
1806 * basic-block.h (edge_probability_reliable_p,
1807 br_prob_note_reliable_p): Declare.
1808 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1809 prediction when static predictor is not reliable.
1810 * rs6000.c (output_cbranch): Likewise.
1812 2006-08-23 Stuart Hastings <stuart@apple.com>
1815 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1816 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1818 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1821 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1822 complex values, nor for generic vector values.
1824 2006-08-22 Richard Guenther <rguenther@suse.de>
1827 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1828 parameter. Convert arguments to arithmetic expression to the
1830 (analyze_scalar_evolution_1): Adjust caller.
1832 2006-08-22 Jan Hubicka <jh@suse.cz>
1834 Patch by Paolo Bonzini
1835 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1838 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1840 PR tree-optimization/28003
1841 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1842 before grouping aliases.
1844 2006-08-22 Roger Sayle <roger@eyesopen.com>
1846 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1847 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1849 2006-08-21 Jason Merrill <jason@redhat.com>
1852 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1853 wrapper. Loop to handle nested wrappers.
1854 (gimplify_bind_expr): Remove temp parameter.
1855 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1856 and STATEMENT_LIST on the rhs.
1857 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1858 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1859 (gimplify_target_expr): Remove special BIND_EXPR handling.
1861 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1863 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1866 2006-08-21 Olivier Hainque <hainque@adacore.com>
1868 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1869 Arrange for the temporary captures of components overlapping the lhs
1870 to happen before the lhs is possibly cleared.
1872 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1874 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1875 necessary places to pass the correct "number of registers" values
1878 2006-08-20 Jan Hubicka <jh@suse.cz>
1880 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1881 (create_name_tags): Instead of quadratic checking use hashtable.
1882 * bitmap.h: Include hashtab.h.
1883 (bitmap_hash): Declare.
1884 * bitmap.c (bitmap_hash): New function.
1886 2006-08-20 Jan Hubicka <jh@suse.cz>
1888 PR rtl-optimization/28071
1889 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1891 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1892 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1893 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1894 cgraph_decide_inlining_incrementally): Update use of
1895 cgraph_check_inline_limits.
1896 * cgraph.c (edge_hash, edge_eq): New function.
1897 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1898 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1899 cgraph_remove_node): Maintain call site hash.
1900 * cgraph.h (struct cgraph_node): Add call_site_hash.
1901 (cgraph_set_call_stmt): New function.
1903 2006-08-20 Jan Hubicka <jh@suse.cz>
1905 PR rtl-optimization/28071
1906 * reload1.c (reg_has_output_reload): Turn into regset.
1907 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1908 choose_reload_regs, emit_reload_insns): Update to new
1909 reg_has_output_reload.
1911 2006-08-20 Jan Hubicka <jh@suse.cz>
1914 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1915 function body sizes.
1916 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1918 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1921 * tree.c (handle_dll_attribute): Return early if not a
1922 var or function decl.
1924 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1927 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1928 alignment of SPE vector types.
1930 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1932 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1934 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1937 * cgraph.h (struct cgraph_node): Remove externally_visible
1939 * cgraphunit.c (process_function_and_variable_attributes): Set
1940 local.externally_visible rather than externally_visible.
1943 * c-common.c (handle_externally_visible_attribute): First look
1944 at TREE_CODE and only if it is function or var decl, check for
1945 non-public objects. Don't warn for DECL_EXTERNAL.
1946 * cgraphunit.c (process_function_and_variable_attributes): Warn
1947 if externally_visible attribute is used on non-public object.
1949 2006-08-17 Jan Hubicka <jh@suse.cz>
1951 PR tree-optimization/27865
1952 * reload1.c (forget_marked_reloads): New function.
1953 (forget_old_reloads_1): When data are passed, just mark the registers
1955 (reload_as_needed): Use the new mechanizm.
1957 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1960 * reload.h (reg_equiv_alt_mem_list): New declaration.
1961 * reload1.c (reg_equiv_alt_mem_list): New definition.
1962 (reload): Initialize it and release it.
1963 (delete_output_reload): Use it.
1964 * reload.c (push_reg_equiv_alt_mem): New function.
1965 (find_reloads_toplev): Call it.
1966 (find_reloads_address, find_reloads_address_1): Likewise.
1967 (find_reloads_subreg_address): Likewise.
1969 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1971 PR rtl-optimization/28489
1972 * sched-ebb.c (begin_schedule_ready): Create basic block
1974 (advance_target_bb): Skip empty blocks.
1975 * haifa-sched.c (bb_note): Make global.
1976 * sched-int.h (bb_note): Add prototype.
1978 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1980 PR tree-optimization/27865
1981 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1983 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1984 fold_used_pointer, pointer_used_p): New functions.
1985 (analyze_scalar_evolution_1): Use fold_used_pointer.
1986 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1987 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1990 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1993 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1994 or the INTEGER_CST. Fail on a CALL_EXPR.
1995 (fold_offsetof): Pass new argument to fold_offsetof_1.
1996 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1997 operand into an INDIRECT_REF.
1998 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2000 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2002 PR gcov/profile/26570
2003 * value-prof.c (static_values): Removed.
2004 (tree_find_values_to_profile): Do not set static_values.
2005 (find_values_to_profile): Do not free static_values.
2006 * profile.c (instrument_values): Do not free the values.
2007 (branch_prob): Free the values.
2009 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2011 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2013 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2016 * c-typeck.c (build_component_ref): Combine qualifiers of
2017 structure or union and field.
2019 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2021 PR rtl-optimization/28071
2022 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2023 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2024 * tree-into-ssa.c (struct dom_dfsnum): New.
2025 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2027 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2028 compute_global_livein.
2029 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2030 in phi nodes in the correct blocks.
2032 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2034 PR tree-optimization/28364
2035 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2037 (fold_affine_expr): New function.
2038 (may_eliminate_iv): Use fold_affine_expr.
2040 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2043 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2046 2006-08-16 Mike Stump <mrs@apple.com>
2048 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2049 * doc/cppopts.texi (-MD): Likewise.
2051 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2054 * c-common.c (handle_weak_attribute): Ignore and warn if
2055 not a FUNCTION_ or VAR_DECL.
2057 2006-07-15 Mike Stump <mrs@apple.com>
2060 * c-parser.c (c_parser_typeof_specifier): Don't use
2061 c_finish_expr_stmt, open code desired semantics instead.
2063 2006-08-15 Nick Clifton <nickc@redhat.com>
2065 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2066 fragment to tmake_file only if threads are enabled.
2067 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2068 * config/i386/t-gthr-win32: New file. ... here.
2070 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2073 * c-parser.c (c_parser_compound_statement_nostart): Reset
2074 parser->error after each statement.
2076 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2079 * omp-low.c (lower_omp_parallel): Convert t to
2080 receiver_decl's type.
2081 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2082 source before comparison.
2085 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2086 to itype in assignment to oldival2.
2088 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2092 * c-typeck.c (build_compound_expr): If the second expression
2093 is an error mark, then just return an error mark instead of
2094 creating a COMPOUND_EXPR.
2096 2006-07-14 Mike Stump <mrs@apple.com>
2098 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2100 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2102 * c-decl.c, var-tracking.c: Fix comment typos.
2104 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2106 PR rtl-optimization/28634
2107 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2108 for floating-point modes unless flag_unsafe_math_optimizations.
2110 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2111 Andrew Pinski <pinskia@physics.uc.edu>
2114 * tree.c (build_array_type): Unify array types with
2115 unspecified index_type.
2116 * c-decl.c (grokdeclarator): Make sure we do not modify a
2117 unified incomplete array type.
2118 * c-typeck.c (store_init_value): Create distinct type before
2119 filling in the index type in an initializer from a compound
2122 * c-decl.c (grokdeclarator): Remove code where we copy the
2125 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2127 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2128 into account for TODO_dump_cgraph.
2129 (TODO_update_ssa_no_phi): Likewise.
2130 (TODO_update_ssa_full_phi): Likewise.
2131 (TODO_update_ssa_only_virtuals): Likewise.
2132 (TODO_remove_unused_locals): Likewise.
2133 (TODO_set_props): Likewise.
2134 (TODO_update_stmt_usage): Likewise.
2136 2006-08-13 Dirk Mueller <dmueller@suse.de>
2138 * c-common.c (strict_aliasing_warning): Fix formatting.
2140 2006-08-13 Matthias Klose <doko@debian.org>
2142 * doc/invoke.texi: Fix spelling errors.
2144 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2146 PR rtl-optimization/23454
2147 * reorg.c (relax_delay_slots): Update comment.
2149 2006-08-11 Richard Guenther <rguenther@suse.de>
2152 * simplify-rtx.c (simplify_const_relational_operation):
2153 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2156 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2158 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2159 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2161 2006-08-10 Paul Brook <paul@codesourcery.com>
2163 * final.c (final_scan_insn): Clear current_insn_predicate before
2164 outputting inline asm.
2166 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2168 PR tree-optimization/26197
2169 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2170 get_ref_base_and_extent and overlap_subvar to add only relevant
2171 subvars as may-aliases.
2172 (add_may_alias_for_new_tag): New function, factored out of
2174 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2175 with additional argument.
2176 * tree-flow.h (new_type_alias): Takes additional argument.
2178 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2180 * gcov.c (no_data_file): New flag.
2181 (read_count_file): Set it if data file not present. Assume counts
2183 (output_lines): Don't name the data file, if there wasn't one.
2185 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2187 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2188 (rs6000_generate_compare): Tweak comments.
2189 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2191 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2193 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2194 (var_debug_decl): New function.
2195 (var_reg_set): Follow debug decl link. Add location even if
2196 reg is already known to hold some other variable.
2197 (var_mem_set): Follow debug decl link.
2198 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2199 decl link. Delete other known locations of the variable part
2201 (var_reg_delete, var_mem_delete): Delete other known locations
2202 of the variable part if requested.
2203 (same_variable_part_p): New function.
2204 (add_stores): Select MO_COPY when appropriate.
2205 (vt_initialize): Handle it.
2206 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2207 known locations for MO_SET and MO_CLOBBER.
2208 (find_variable_location_part): New function.
2209 (set_variable_part, delete_variable_part): Use it.
2210 (clobber_variable_part): New function.
2211 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2214 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2216 PR tree-optimization/26969
2217 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2218 with an empty list of PHIs.
2220 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2224 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2227 2006-08-06 Andreas Schwab <schwab@suse.de>
2229 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2230 string. Whitespace and comment fixup.
2232 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2235 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2239 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2242 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2244 2006-08-04 Jan Hubicka <jh@suse.cz>
2248 * reload.c (push_reload): Patch out the mismatching instruction;
2250 (find_reload): Bail out if the instruction was patched out.
2252 2006-08-04 Jan Hubicka <jh@suse.cz>
2254 PR tree-optimization/24888
2255 * tree-inline.c (expand_call_inline): Do not re-record variables.
2256 (declare_inline_vars): Add variable to unexpanded_var_list.
2258 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2259 Roger Sayle <roger@eyesopen.com>
2261 PR rtl-optimization/26244
2262 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2263 inner_const are negative or greater than or equal to the bitsize of
2264 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2265 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2266 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2267 CONST0_RTX (mode) when the new shift count is greater than or equal to
2268 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2271 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2273 * tree-cfg.c: Fix a comment typo.
2275 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2278 * varasm.c (output_constant): Give the front end another chance to
2279 expand constants, after stripping NOPs.
2281 2006-08-03 Jan Hubicka <jh@suse.cz>
2283 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2286 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2288 PR tree-optimization/27770
2289 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2290 declaration removed (moved to tree-flow.h).
2291 (vect_can_force_dr_alignment_p): Likewise.
2292 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2293 (moved from tree-vectorizer.h).
2294 (vect_can_force_dr_alignment_p): Likewise.
2295 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2296 from outside the vectorizer - in particular from cgraph stage.
2297 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2298 the alignment of global arrays when -fsection-anchors is enabled.
2299 * cgraphunit.c (cgraph_increase_alignment): New function.
2300 (cgraph_optimize): Call cgraph_increase_alignment.
2302 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2305 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2306 not reload a SPE symbol_ref into a lo_sum address.
2308 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2311 * dwarf2out.c (prune_unused_types_prune): Move call to
2312 prune_unused_types_update_strings to cover the parent DIE also.
2314 2006-08-02 Jan Hubicka <jh@suse.cz>
2316 PR gcov/profile/28480
2317 * tree-cfg.c (change_bb_for_stmt): New function.
2318 (tree_merge_blocks, tree_split_blocks): Use it.
2320 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2326 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2327 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2328 (cgraph_optimize): Likewise.
2330 2006-08-01 Stuart Hastings <stuart@apple.com>
2332 * rtl.h (UINTVAL) New.
2333 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2334 * testsuite/gcc.dg/20060801-1.c: New.
2336 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2339 * c-typeck.c (build_external_type): Mark used enum types.
2340 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2342 (gen_subprogram_die): Whitespace fix.
2344 2006-08-01 Jan Hubicka <jh@suse.cz>
2346 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2347 bitmap when not needed.
2348 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2351 2006-08-01 Dirk Mueller <dmueller@suse.de>
2353 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2355 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2357 * Makefile.in: Revert part of previous patch:
2358 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2361 2006-07-30 Eric Christopher <echristo@apple.com>
2364 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2365 (PowerPC Variable Attributes): New section.
2367 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2369 PR target/28126 (partial fix)
2370 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2372 2006-07-28 Jan Hubicka <jh@suse.cz>
2374 PR rtl-optimization/28071
2375 * cfgrtl.c (rtl_delete_block): Free regsets.
2376 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2378 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2380 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2381 and variables used in dependencies.
2383 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2385 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2386 %fs for -mcmodel=kernel.
2387 (stack_tls_protect_test_di): Likewise.
2389 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2391 * Makefile.in: Use mkinstalldirs.
2393 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2396 * opts-common.c (prune_options): Skip joined switches.
2398 2006-07-27 Jan Hubicka <jh@suse.cz>
2400 PR rtl-optimization/28071
2401 * cselib.c (cselib_process_insn): Don't remove useless values too
2402 often for very large hashtables.
2404 2006-07-27 Jan Hubicka <jh@suse.cz>
2406 PR rtl-optimization/28071
2407 * global.c (greg_obstack): New obstack.
2408 (allocate_bb_info): Use it.
2409 (free_bb_info): Likewise.
2410 (modify_reg_pav): Likewise.
2412 2006-07-27 Roger Sayle <roger@eyesopen.com>
2414 * builtins.c (fold_fixed_mathfn): When long and long long are the
2415 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2416 functions to their lceil*, lfloor*, lround* and lrint* forms.
2418 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2421 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2423 (rev_branch_insn): Likewise.
2425 2006-07-27 Jan Hubicka <jh@suse.cz>
2427 PR rtl-optimization/28071
2428 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2429 (reg_set_in_bb, max_reg_computed): New static variables.
2430 (regmove_optimize): Free the new array.
2431 (fixup_match_1): Update call of reg_is_remote_constant_p.
2433 2006-07-26 Jan Hubicka <jh@suse.cz>
2435 PR tree-optimization/27882
2436 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2438 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2440 (cgraph_analyze_compilation_unit): Likewise.
2441 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2442 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2443 (cgraph_early_inlinine): Make order garbage collected.
2444 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2446 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2448 * dbxout.c (output_types_sort): Add a comment.
2449 (output_used_types): Free the VEC.
2451 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2453 * function.c (reorder_fix_fragments): Delete.
2454 (reorder_blocks): Don't call it.
2455 (reorder_blocks_1): Put all subblocks under the origin block.
2457 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2459 PR rtl-optimization/27907
2460 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2463 2006-07-25 Roger Sayle <roger@eyesopen.com>
2466 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2467 bar(x) check that bar's result type can represent all the values of T.
2469 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2471 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2473 2006-07-25 Nick Clifton <nickc@redhat.com>
2475 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2476 size_lookup[] array.
2477 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2478 (ggc_pch_count_object): Likewise.
2479 (ggc_pch_alloc_object): Likewise.
2480 (ggc_pch_write_object): Likewise.
2481 (init_ggc): Do not attempt to initialize entries in the
2482 size_lookup[] array for objects whose size is greater than than
2483 the length of the array.
2485 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2487 * dbxout.c (output_used_types_helper): Push queued types
2489 (output_types_sort): New.
2490 (output_used_types): Collect used types on a VEC and sort them
2493 2006-07-24 Richard Guenther <rguenther@suse.de>
2496 * cgraph.c (cgraph_remove_node): Do not check if dumps
2498 * cgraphunit.c (cgraph_optimize): Likewise.
2500 2006-07-24 Jan Hubicka <jh@suse.cz>
2502 PR rtl-optimization/28071
2503 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2504 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2505 splitting before first stmt.
2507 2006-07-24 Jan Hubicka <jh@suse.cz>
2509 PR rtl-optimization/28071
2510 * ipa-inline.c (update_caller_keys): Remove edges that
2511 are no longer inline candidates.
2513 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2516 * dbxout.c (output_used_types_helper, output_used_types): New.
2517 (dbxout_symbol): Call output_used_types.
2519 2006-07-23 Jan Hubicka <jh@suse.cz>
2523 * cgraph.c (cgraph_varpool_nodes): Export.
2524 (decide_is_variable_needed): Ignored "used" attribute in
2525 unit-at-a-time mode.
2526 * cgraph.h (cgraph_varpool_nodes): Declare.
2527 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2528 unit-at-a-time mode.
2530 2006-07-23 Roger Sayle <roger@eyesopen.com>
2533 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2534 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2535 the __gthrw form of thr_keycreate.
2536 (__gthread_key_delete): Silence the unused argument warning.
2538 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2541 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2542 Cache the last found '\0' marker to avoid quadratic behavior.
2544 2006-07-23 Jan Hubicka <jh@suse.cz>
2546 * i386.md (subsi_3_zext): Fix output template.
2548 2006-07-21 Mike Stump <mrs@apple.com>
2550 * doc/invoke.texi (C++ Dialect Options): Note that
2551 -fvisibility-inlines-hidden doesn't affect explicitly
2552 instantiationed inline methods.
2554 2006-07-20 Roger Sayle <roger@eyesopen.com>
2556 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2557 if the target assembler is GNU binutils' gas.
2558 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2559 whether to pass GNU gas or native as command line options.
2561 2006-07-20 Jason Merrill <jason@redhat.com>
2563 * tree.c (remove_attribute): New fn.
2564 * tree.h: Declare it.
2566 2006-07-20 Paul Brook <paul@codesourcery.com>
2569 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2570 they are invalidated by this instruction.
2572 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2575 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2577 2006-07-20 Eric Christopher <echristo@apple.com>
2580 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2582 2006-07-19 Eric Christopher <echristo@apple.com>
2584 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2585 Rewrite dependencies for libgcc_s.1.dylib.
2587 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2589 * except.c (duplicate_eh_regions_1): Clear next_peer.
2591 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2593 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2594 -mlongcall does not guarantee all calls will be long.
2595 * doc/extend.texi (long_call/short_call): Document that longcall
2596 does not guarantee a long call will be used.
2597 (longcall/shortcall): Likewise.
2599 2006-07-18 Roger Sayle <roger@eyesopen.com>
2602 * expmed.c (expand_shift): Additionally check that the shift_cost
2603 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2604 before implementing a LSHIFT_EXPR as a sequence of additions.
2605 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2606 middle-end that DImode shifts need to be synthesized by expand.
2608 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2611 * tree-ssa-operands.c (access_can_touch_variable): Update
2613 Return true if ALIAS is .GLOBAL_VAR.
2615 2006-07-18 David Daney <ddaney@avtrex.com>
2617 * gcc.c (display_help): Fix typo in help text.
2619 2006-07-18 Olivier Hainque <hainque@adacore.com>
2621 * tree.h (categorize_ctor_elements): Adjust prototype and add
2622 descriptive comment, both in accordance with the interface change
2624 * varasm.c (constructor_static_from_elts_p): New function.
2625 Whether a constructor node is a valid static constant initializer
2626 if all its elements are.
2627 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2628 * output.h: Declare it.
2629 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2630 is a valid constant initializer instead of computing the number of
2631 non-constant elements. Use constructor_static_from_elts_p for this
2632 purpose. Replace the head comment with an indication that this is a
2633 helper for categorize_ctor_elements.
2634 (categorize_ctor_elements): Same interface change as for the _1
2635 helper. Former head comment from this helper moved here, adjusted to
2636 account for the interface changes.
2637 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2638 (all_zeros_p): Likewise.
2639 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2640 static versions of the constructor from the categorize_ctor_elements
2641 return value instead of the formerly computed number of non-constant
2644 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2646 * configure: Regenerate.
2647 * Makefile.in (build_libsubdir): New configure substitution
2648 (build_libobjdir): New variable.
2649 (BUILD_LIBIBERTY): Use it.
2651 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2654 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2656 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2659 * c-common.c (handle_weakref_attribute): Ignore attribute in
2660 the same conditions the alias attribute is ignored.
2662 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2664 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2665 (dbxout_begin_prologue): Increment scope_labelno.
2667 2006-07-17 Richard Henderson <rth@redhat.com>
2670 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2673 2006-07-17 Roger Sayle <roger@eyesopen.com>
2674 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2676 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2677 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2678 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2679 functions such as sbrk, write, etc.. Add function prototypes.
2680 Convert function declarations from K&R to ISO C. Cast pointers
2681 to "long" and "unsigned long" instead of "int" and "unsigned int".
2682 Convert tokens following #endif into comments.
2684 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2686 * invoke.texi: Remove mention of f77; Reformat table for
2687 inline parameter options correctly; mention that -malign-double
2688 is default on x86-64 targets.
2690 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2692 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2693 (convert_affine_scev, chrec_convert_aggressive): Use
2694 avoid_arithmetics_in_type_p. Do not check for the subtypes
2697 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2700 * optabs.c (expand_doubleword_shift): Wrap the call to
2701 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2703 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2706 * optabs.c (expand_binop): Pass next_methods rather than methods
2707 to expand_doubleword_shift.
2709 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2712 * tree.h (dump_addr): Declare.
2713 * print-tree.c (dump_addr): New function.
2714 (print_node_brief, print_node): Use it.
2715 * print-rtl.c (print_rtx): Likewise.
2716 * common.opt (-fdump-noaddr): New option.
2717 * doc/invoke.texi (-fdump-noaddr): Document.
2718 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2719 (ve_info_hash): Likewise.
2721 2006-07-13 Andrew Haley <aph@redhat.com>
2723 PR tree-optimization/19505
2724 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2725 edge leaving this block, make sure that the destination of this
2726 block has only one predecessor.
2728 2006-07-17 Richard Guenther <rguenther@suse.de>
2730 PR tree-optimization/28238
2731 * tree-inline.c (copy_bb): Check if we produced valid
2732 gimple copying and substituting a stmt. If not, gimplify
2735 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2737 * optabs.c (maybe_encapsulate_block): New function extracted from...
2738 (emit_libcall_block): ...here. Invoke it on the block of insns to
2739 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2740 (emit_no_conflict_block): Likewise.
2742 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2744 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2746 2006-07-15 Roger Sayle <roger@eyesopen.com>
2748 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2749 a new NOP_EXPR case of the switch statement.
2751 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2754 * stor-layout.c (place_field): Take the bit field with
2755 an excessive size into account in the ms-bitfiled case.
2758 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2759 the previous bit field.
2761 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2764 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2766 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2768 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2769 signal frames correctly even when the signal was installed with
2772 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2774 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2775 (dbxout_function_end): Use local label LFBB. Remove hook
2777 (dbxout_source_line): Use local label LFBB.
2778 (dbxout_block): Likewise.
2779 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2780 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2781 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2782 and DBX_OUTPUT_NFUN.
2784 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2786 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2788 2006-07-13 Jan Hubicka <jh@suse.cz>
2790 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2792 * output.h (align_variable): Declare.
2793 * varasm.c (align_variable): Export.
2794 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2795 when basic block changed.
2797 2006-07-13 Nick Clifton <nickc@redhat.com>
2799 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2800 walking the LOG_LINKS chain.
2802 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2804 * doc/invoke.texi (C++ Dialect Options): Explain difference
2805 between -fvisibility-inlines-hidden and setting hidden
2806 visibility explicitly.
2808 2006-07-12 Eric Christopher <echristo@apple.com>
2810 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2811 (stmp-lipo): Depend on libgcc.a.
2813 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2815 * tree.c: Fix a comment typo.
2817 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2819 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2821 (umulhisi3_r): Likewise.
2823 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2826 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2827 x < 19, vs wchar_t support.
2829 2006-07-12 Nick Clifton <nickc@redhat.com>
2831 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2832 instead of -isa=sh4.
2834 2006-07-12 Mike Stump <mrs@apple.com>
2836 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2838 2006-07-10 Eric Christopher <echristo@apple.com>
2840 * config/t-slibgcc-darwin: Rewrite.
2842 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2845 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2848 2006-07-08 Matthias Klose <doko@debian.org>
2850 * doc/sourcebuild.texi: Fix typo.
2852 2006-07-07 Mike Stump <mrs@apple.com>
2854 * toplev.c (process_options): Don't give -ffunction-sections may
2855 affect debugging warning for Mach-O.
2857 2006-07-07 James E Wilson <wilson@specifix.com>
2859 * config/mips/mips.md (cpu): Add sb1a.
2860 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2861 addition to sb1. Adjust comments to clarify SB-1A differences from
2863 (ir_sb1a_load): New. Modify bypasses to use it.
2864 (ir_sb1a_simple_alu): Likewise.
2865 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2866 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2867 (mips_issue_rate): Add PROCESSOR_SB1A.
2868 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2869 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2870 (TARGET_SB1): Add PROCESSOR_SB1A check.
2871 (TUNE_SB1): Likewise.
2873 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2874 * config/mips/mips.c (mips_store_data_bypass_p): New.
2875 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2876 store_data_bypass_p.
2878 2006-07-08 Paul Brook <paul@codesourcery.com>
2881 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2883 2006-07-07 Richard Guenther <rguenther@suse.de>
2886 * tree.h (build_one_cst): Declare.
2887 * tree.c (build_one_cst): New function.
2888 * tree-ssa-math-opts.c (get_constant_one): Remove.
2889 (insert_reciprocals): Use build_one_cst.
2890 * fold-const.c (fold_plusminus_mult): Likewise.
2892 2006-07-07 Roger Sayle <roger@eyesopen.com>
2894 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2895 * cfgloopanal.c (dump_graph): Likewise.
2896 * dojump.c (discard_pending_stack_adjust): Likewise.
2897 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2899 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2900 * function.c (finalize_block_changes): Likewise.
2901 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2902 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2903 * rtl.c (dump_rtx_statistics): Likewise.
2904 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2906 * varray.c (dump_varray_statistics): Likewise.
2907 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2908 decode_decimal64, encode_decimal128, decode_decimal128,
2909 decimal_real_to_decimal): Likewise.
2911 2006-07-07 Richard Guenther <rguenther@suse.de>
2913 PR tree-optimization/28187
2914 * tree-vrp.c (vrp_operand_equal_p): New function.
2915 (vrp_bitmap_equal_p): Likewise.
2916 (update_value_range): Use them to compare old and new
2919 2006-07-06 Roger Sayle <roger@eyesopen.com>
2921 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2922 a default case to switch statement to silence compiler warnings.
2924 2006-07-06 Roger Sayle <roger@eyesopen.com>
2927 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2928 the configured assembler supports the x87's ffreep mnemonic.
2929 * configure: Regenerate.
2930 * config.in: Regenerate.
2932 * config/i386/i386.c (output_387_ffreep): New function.
2933 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2934 (output_387_reg_move): Likewise.
2936 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2938 Port to hosts whose 'sort' and 'tail' implementations
2939 treat operands with leading '+' as file names, as POSIX
2940 has required since 2001. However, make sure the code still
2941 works on pre-POSIX hosts.
2942 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2943 which says you should use "tail -c +N" rather than "tail +Nc".
2944 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2946 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2948 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2951 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2954 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2955 PRE_{INC,DEC} of TFmode.
2957 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2958 Alan Modra <amodra@bigpond.net.au>
2961 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2964 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2967 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2968 Remove duplicate gtu.
2970 2006-07-05 Jason Merrill <jason@redhat.com>
2974 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2975 * c-common.c (handle_packed_attribute): So don't copy it here.
2976 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2978 2006-07-05 Mike Stump <mrs@apple.com>
2980 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2982 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2985 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2987 2006-07-05 Richard Guenther <rguenther@suse.de>
2990 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2991 TARGET_SSE2 targets if using SSE math.
2992 (*absdf2_1): Likewise.
2994 2006-07-05 Richard Guenther <rguenther@suse.de>
2996 PR tree-optimization/28162
2997 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2998 make sure to convert the operands to the correct type.
3000 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3002 PR tree-optimization/28218
3004 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3005 to calculate and free the dominator information.
3007 2006-07-04 Peter O'Gorman <peter@pogma.com>
3009 * mklibgcc.in: chmod 644 before ranlib during install.
3011 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3012 J"orn Rennecke <joern.rennecke@st.com>
3014 * configure.ac (.eh_frame data check): Use diff -b.
3016 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3019 * Makefile.in (BUILD_RTL): Add build/vec.o.
3020 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3021 (build/genextract): Delete.
3022 (build/genautomata): Likewise.
3024 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3027 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3028 128-bit IBM long doubles for ABI_V4.
3030 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3032 * tree.c (range_in_array_bounds_p): New predicate.
3033 * tree.h (range_in_array_bounds_p): Declare it.
3034 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3035 return a less conservative answer.
3036 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3037 and flag 'is_group'.
3038 (IS_ELEMENT_FOR_GROUP): New macro.
3039 (FOR_EACH_ACTUAL_CHILD): Likewise.
3040 (next_child_for_group): New helper function.
3041 (can_completely_scalarize_p): Take into account groups.
3042 (sra_hash_tree): Handle RANGE_EXPR.
3043 (sra_elt_eq): Likewise.
3044 (lookup_element): Be prepared for handling groups.
3045 (is_valid_const_index): Delete.
3046 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3047 instead of is_valid_const_index.
3048 <ARRAY_RANGE_REF>: New case.
3049 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3050 is_valid_const_index.
3051 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3052 (scan_dump): Dump info for groups too.
3053 (decide_instantiation_1): Likewise.
3054 (decide_block_copy): Assert that the element is not a group.
3055 Propagate decision to groups.
3056 (generate_one_element_ref): Handle RANGE_EXPR.
3057 (mark_no_warning): Iterate over actual childs.
3058 (generate_copy_inout): Likewise.
3059 (generate_element_copy): Likewise.
3060 (generate_element_zero): Likewise.
3061 (generate_element_init_1): Likewise.
3062 (dump_sra_elt_name): Handle RANGE_EXPR.
3064 2006-07-03 Roger Sayle <roger@eyesopen.com>
3066 PR tree-optimization/26251
3067 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3068 (thread_block): When optimizing for size refuse to thread jumps
3069 that would require duplication of blocks other than redirection
3072 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3074 * configure.ac: Fix thinko in previous check-in.
3075 * configure: Regenerate.
3077 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3080 * configure.ac (for lang...): Simplify nesting of conditionals.
3081 Test subdir_requires for non-enabled languages. Move processing
3082 of lang_opt_files and lang_tree_fiels below that test.
3083 * configure: Regenerate.
3084 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3086 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3088 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3090 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3092 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3095 2006-06-29 Jason Merrill <jason@redhat.com>
3102 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3103 * c-common.c (c_determine_visibility): Handle it here.
3104 * c-decl.c (finish_decl): Call c_determine_visibility for
3106 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3108 * varasm.c (default_assemble_visibility): Likewise.
3109 * c-common.c (handle_visibility_attribute): Complain about trying
3110 to give visibility to an already defined class, or trying to change
3111 declared visibility. Always attach the attribute.
3116 * attribs.c (decl_attributes): Ignore type-in-place attributes
3117 once the type has been defined.
3119 2006-06-29 Roger Sayle <roger@eyesopen.com>
3122 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3123 to indicate the cpplib has issued an error message for us.
3125 2006-06-29 Asher Langton <langton2@llnl.gov>
3128 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3129 insert a label at the end of an function under Mach-O.
3131 2006-06-29 Eric Christopher <echristo@apple.com>
3132 Evan Cheng <evan.cheng@apple.com>
3134 * predicates.md (vector_all_ones_operand): New.
3135 (nonimmediate_or_sse_const_operand): Ditto.
3136 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3137 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3138 (standard_sse_mode_p): Ditto.
3139 (standard_sse_constant_p): Add case for -1 vector.
3140 (ix86_expand_vector_move): Try to use.
3141 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3142 Call standard_sse_constant_opcode.
3143 (*movv4sf_internal): Ditto.
3144 (*movv2df_internal): Ditto.
3146 2006-06-29 Roger Sayle <roger@eyesopen.com>
3148 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3149 of XEXP to extract the operands of a MATCH_CODE rtx.
3151 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3153 * tree.c (tree_size): Do not waste tail padding in
3154 struct tree_string and make the size be the same as
3155 build_string will generate.
3157 2006-06-28 Jason Merrill <jason@redhat.com>
3160 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3161 may_aliases already in the tag's annotations to the bitmap.
3163 2006-06-28 Roger Sayle <roger@eyesopen.com>
3165 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3167 2006-06-28 Roger Sayle <roger@eyesopen.com>
3169 * genpreds.c (generate_switch_p): New function.
3170 (add_mode_tests): Push the new mode test down inside an AND expr
3171 if this allows the switch-suitable MATCH_CODE to be near the root.
3172 (write_match_code_switch): New function to write a MATCH_CODE as
3174 (write_predicate_stmts): New function to write a predicate RTX
3175 expression as a sequence of statements.
3176 (write_one_predicate_function): Use write_predicate_stmts.
3177 (write_tm_constrs_h): Likewise.
3179 2006-06-26 Fred Fish <fnf@specifix.com>
3181 * config/mips/t-sb1: New file.
3182 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3185 2006-06-26 DJ Delorie <dj@redhat.com>
3187 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3189 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3190 Jayant Sonar <jayants@kpitcummins.com>
3191 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3193 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3194 (subsi3, subsi3_1, subsi3_2): New.
3195 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3196 * config/m32c/mov.md (SI mov peephole): New.
3197 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3198 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3200 2006-06-26 Olivier Hainque <hainque@adacore.com>
3202 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3203 a CALL_EXPR target function declaration.
3205 2006-06-26 Richard Guenther <rguenther@suse.de>
3207 * tree.c (build_string): Do not waste tail padding in
3210 2006-06-26 Richard Guenther <rguenther@suse.de>
3212 * ggc-page.c (init_ggc): Add missing element to size_lookup
3216 2006-06-23 Richard Guenther <rguenther@suse.de>
3218 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3219 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3220 alignment requests instead. Add verification code.
3221 Add struct tree_function_decl and struct tree_binfo size to
3222 extra_order_size_table. Add missing element to size_lookup
3225 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3228 * fold-const.c (const_binop): Be prepared for self returning zero.
3229 Simplify code handling complex values.
3231 2006-06-24 Olivier Hainque <hainque@adacore.com>
3233 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3234 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3237 2006-06-24 Olivier Hainque <hainque@adacore.com>
3239 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3240 ARRAY_REF, so have the callback called for the low bound expression.
3242 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3244 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3245 * c-typeck.c (c_common_type): Disallow operations on decimal float
3246 types and other float types.
3247 * convert.c (convert_to_real): Don't ignore conversions involving
3248 decimal float types.
3250 2006-06-23 Olivier Hainque <hainque@adacore.com>
3252 * tree.c (max_int_size_in_bytes): New function, inspired from
3253 code in function.c:assign_temp.
3254 * tree.h (max_int_size_in_bytes): Declare.
3255 * function.c (assign_temp): Use it.
3256 * gimplify.c (create_tmp_var): Relax the assertions on the type
3257 properties, not mandating constant size any more.
3258 (force_constant_size): New static function.
3259 (gimple_add_tmp_var): Use it, forcing variable size to a
3260 constant upper bound if it is not constant on entry.
3262 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3265 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3266 for initialization and setting of one_only flag to ...
3267 (i386_pe_encode_section_info): ...here.
3268 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3269 Recheck that the symbol has not been defined.
3271 2006-06-23 Richard Guenther <rguenther@suse.de>
3273 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3274 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3275 alignment requests instead. Add verification code.
3276 Add struct tree_function_decl and struct tree_binfo size to
3277 extra_order_size_table. Add missing element to size_lookup
3280 2006-06-22 Roger Sayle <roger@eyesopen.com>
3281 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3284 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3285 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3287 2006-06-23 Ben Elliston <bje@au.ibm.com>
3289 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3290 negate dn -- manipulate it directly.
3292 2006-06-22 Roger Sayle <roger@eyesopen.com>
3293 Steven Bosscher <stevenb.gcc@gmail.com>
3296 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3297 generated by gen_move_insn to add REG_LABEL notes if necessary.
3299 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3301 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3302 (leaf_entry): Remove use of MIN_ESA.
3304 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3306 PR rtl-optimization/28121
3307 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3310 2006-06-21 DJ Delorie <dj@redhat.com>
3312 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3314 (mulhisi3_r): Likewise.
3316 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3319 * coverage.c (coverage_counter_alloc): Leave the index type
3321 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3324 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3326 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3327 section from the "Options for Code Generation Conventions".
3329 2006-06-21 Richard Henderson <rth@redhat.com>
3333 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3335 (global_symbolic_operand): Allow weak symbols, even if local_p.
3337 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3339 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3340 (find_interesting_uses_address): Punt if above function returns true.
3342 2006-06-21 Richard Guenther <rguenther@suse.de>
3344 * configure: Regenerated.
3346 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3348 * config/mips/mips.c (function_arg): Where one part of a
3349 complex argument is in registers and the other part in the stack,
3350 return a REG not a PARALLEL.
3352 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3354 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3355 when cross-compiling. Do not substitute libstdcxx_incdir.
3356 * configure: Regenerated.
3358 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3360 * varasm.c (mergeable_string_section): Check for embedded NULs and
3361 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3362 rather than TREE_STRING_LENGTH bytes.
3364 2006-06-21 Richard Guenther <rguenther@suse.de>
3366 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3367 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3370 2006-06-21 Richrad Guenther <rguenther@suse.de>
3372 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3373 Limit iteration over the dominators.
3375 2006-06-20 Roger Sayle <roger@eyesopen.com>
3377 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3378 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3380 2006-06-20 Richard Guenther <rguenther@suse.de>
3381 Michael Matz <matz@suse.de>
3383 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3385 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3386 * et-forest.h (et_free_pools): Prototype new function.
3387 * et-forest.c (et_free_tree_force): Free parent occurrence.
3388 (et_free_pools): New function.
3389 * dominance.c (free_dominance_info): Free et-forest alloc
3392 2006-06-20 Roger Sayle <roger@eyesopen.com>
3394 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3395 integer modes, attempt to directly construct an integer constant.
3397 * fold-const.c (native_encode_vector): Determine the size of each
3398 element from the vector type instead of the first vector element.
3400 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3401 if all of its elements/components are constant.
3402 (build_constructor_from_list): Likewise.
3404 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3406 PR tree-optimization/27331
3407 * tree-data-ref.c (free_data_ref): New function.
3408 (create_data_ref): Fail if the data reference has unknown access
3410 (free_data_refs): Use free_data_ref.
3412 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3415 * tree-inline.c (setup_one_parameter): Strip useless
3416 type conversion before adding it to the IR.
3417 (declare_return_variable): Likewise.
3419 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3422 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3424 2006-06-19 Mike Stump <mrs@apple.com>
3426 * tree.c (variably_modified_type_p): VM arguments don't make the
3429 2006-06-19 Richard Guenther <rguenther@suse.de>
3431 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3432 type conversions after folding.
3434 2006-06-19 Richard Guenther <rguenther@suse.de>
3436 * ggc-page.c (extra_order_size_tab): Add entries with
3437 size of struct function and basic_block.
3438 (size_lookup): Extend to cover sizes up to 511.
3439 (ggc_alloc_stat): Adjust user.
3440 (ggc_pch_count_object): Likewise.
3441 (ggc_pch_alloc_object): Likewise.
3442 (ggc_pch_write_object): Likewise.
3444 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3446 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3447 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3450 2006-06-19 Denis Chertykov <denisc@overta.ru>
3452 * config/avr/libgcc.S : Correct my wrong previous commit.
3454 2006-06-19 Roger Sayle <roger@eyesopen.com>
3457 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3458 have stripped a SUBREG from the shift count, so we may need to
3459 convert_to_mode back to the type's mode before calling make_tree.
3460 Use new_amount instead of amount to avoid expanding a tree twice.
3462 2006-06-19 Richard Guenther <rguenther@suse.de>
3465 * fold-const.c (operand_equal_p): Check if the argument types
3466 have the same precision before stripping NOPs.
3468 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3470 Fix PR tree-optimization/27341
3471 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3473 * tree-complex.c (pass_lower_complex): Update SMT usage.
3475 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3477 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3478 Add a new alternative to the constraint strings. Add move of
3479 operand 1 to 3 to the splitter definition.
3480 ("doloop_si_long"): Second contraint alternative removed.
3482 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3484 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3485 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3487 (AVR_HAVE_MOVW) Define.
3488 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3489 (ASM_SPEC): Add avr25.
3490 (LINK_SPEC): Add avr25.
3491 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3492 (base_arch_s): Add new member 'have_movw_lpmx'.
3493 (avr_arch_types): Init 'have_movw_lpmx'.
3494 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3495 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3496 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3497 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3498 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3500 (avr_file_start): Do not output '.arh' derective.
3501 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3502 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3503 * config/avr/avr.md (mcu_enhanced): Delete.
3504 (mcu_have_movw): Define.
3505 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3506 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3507 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3508 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3509 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3510 attiny861 and at86rf401 devices.
3512 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3514 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3517 2006-06-17 Karl Berry <karl@gnu.org>
3519 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3520 doc/gccint.texi, doc/install.texi (@dircategory): Use
3521 "Software development" instead of "Programming", following
3522 the Free Software Directory.
3524 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3526 * config/i386/i386.c (legitimate_tls_address)
3527 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3528 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3529 (*tls_dynamic_gnu2_combine_64): Likewise.
3531 2006-06-16 Richard Guenther <rguenther@suse.de>
3534 * fold-const.c (negate_expr_p): Do not introduce undefined
3535 overflow in negating INTEGER_CSTs.
3536 (fold_negate_expr): Rename from negate_expr. Revert last
3537 change for folding BIT_NOT_EXPR. Change semantics to
3538 return NULL_TREE for non-simplified negations. Do not
3539 strip type conversions and unify type handling.
3540 (negate_expr): New function, wrap around fold_negate_expr
3541 but ensure building a tree always. Strip type conversions
3542 here, fold to result type.
3543 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3545 2006-06-16 Roger Sayle <roger@eyesopen.com>
3548 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3549 that (would) return their results in stack registers.
3551 2006-06-16 Michael Matz <matz@suse.de>
3552 Richard Guenther <rguenther@suse.de>
3554 * fold-const.c (fold_truthop): Only return new tree node if
3555 we canonicalized something.
3557 2006-06-16 Richard Guenther <rguenther@suse.de>
3559 * function.h (enum function_frequency): Move declaration
3560 out of struct function.
3561 (struct function): Move bool fields and the enum to the bitfield
3562 section. Reorder elements to avoid padding. Remove unused
3563 fields left over from the RTL inliner removal.
3564 * function.c (free_after_compilation): Do not zero removed fields.
3565 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3566 (ipa-type-escape.o): Likewise.
3568 2006-06-16 Richard Guenther <rguenther@suse.de>
3570 * cgraph.h (struct cgraph_local_info): Turn bool elements
3572 (struct cgraph_node): Likewise.
3573 (struct cgraph_varpool_node): Likewise.
3575 2006-06-15 Richard Guenther <rguenther@suse.de>
3577 * fold-const.c (fold_truth_not_expr): Rename from
3578 invert_truthvalue. Give it fold_* semantics to avoid
3580 (invert_truthvalue): New function. Wrapper around
3581 fold_truth_not_expr.
3582 (optimize_minmax_comparison): Avoid creating garbage.
3583 (fold_unary): Use fold_truth_not_expr for folding
3585 (fold_ternary): Replace uses of invert_truthvalue with
3586 fold_truth_not_expr where applicable.
3587 * tree.h (fold_truth_not_expr): Prototype.
3589 2006-06-16 Richard Guenther <rguenther@suse.de>
3591 PR tree-optimization/27781
3592 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3593 * ipa-pure-const.c (target.h): Include.
3594 (analyze_function): Do not analyze functions that do not
3597 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3600 * tree-dfa.c (referenced_vars_dup_list): Remove.
3601 (find_referenced_vars): Remove assert.
3602 (referenced_var_check_and_insert): Replace dup list with assert.
3603 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3604 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3606 2006-06-15 Richard Guenther <rguenther@suse.de>
3608 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3609 extra unused identifiers if not dumping.
3610 (create_variable_info_for): Likewise.
3612 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3614 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3615 (derive_constant_upper_bound): Derive more precise upper bound in
3616 common cases. Return type changed to double_int.
3617 (record_estimate): Reflect the changed return type of
3618 derive_constant_upper_bound.
3619 * double-int.c (double_int_zext, double_int_sext): Fix.
3621 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3623 * configure.ac (CFLAGS): Get them from the toplevel or from the
3624 configure invocation.
3625 * configure: Regenerate.
3626 * Makefile.in (CFLAGS): Substitute value provided by configure.
3628 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3631 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3632 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3633 rather than calling add_stmt on it.
3634 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3636 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3639 * reload1.c (reload): Remove registers returned by update_eliminables
3640 from used_spill_regs.
3642 2006-06-13 DJ Delorie <dj@redhat.com>
3644 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3646 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3648 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3649 html__strip_dir, html__mkdir_p. Enhance install-html target.
3650 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3651 * configure: Regenerate.
3653 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3655 * fold-const.c (fold_cond_expr_with_comparison): Check for
3656 Objective-C++ as language in deciding COND_EXPR transformation.
3658 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3661 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3662 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3663 * config/sh/lib1funcs.h (SL, SL1): Define.
3664 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3665 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3666 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3667 (OBJS_Os_4_200): New variable.
3668 ($(T)libgcc-Os-4-200.a): Use it.
3669 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3670 when dividing 1 and/or by 0.
3672 2006-06-13 Roger Sayle <roger@eyesopen.com>
3674 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3675 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3676 * configure: Regenerate.
3678 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3680 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3681 for real instruction.
3683 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3686 * haifa-sched.c (check_cfg): Handle special case.
3688 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3691 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3692 Add debug_info parameter. Chain the vars to the BLOCK instead
3693 of the BIND_EXPR if debug info are requested for them.
3694 (pop_gimplify_context): Adjust for above change.
3695 (gimple_add_tmp_var): Likewise.
3696 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3698 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3699 (convert_local_reference): Likewise.
3700 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3701 (finalize_nesting_tree_1): Request that debug info be emitted
3702 for debug_var_chain.
3704 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3706 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3707 for PR target/27863.
3709 2006-06-13 Richard Guenther <rguenther@suse.de>
3712 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3714 2006-06-13 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/27830
3717 * tree-inline.c (copy_body_r): For copying the operand
3718 of an ADDR_EXPR make sure to fold &* afterwards.
3720 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3722 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3723 lvalues in the fb_none case with side-effects.
3725 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3727 * tree-flow.h: Remove the prototype for
3728 compute_phi_arg_on_exit.
3729 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3730 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3733 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3735 * builtins.c (expand_builtin_return_addr): Only use
3736 frame_pointer_rtx when count == 0 and we are expanding
3737 __builtin_return_address.
3739 2006-06-12 Fred Fish <fnf@specifix.com>
3741 * config/mips/mips.c (mips_file_start): Create special section
3742 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3744 2006-06-11 Eric Christopher <echristo@apple.com>
3747 * stor-layout.c (place_field): Remove check for
3748 remaining_in_alignment when aligning at the end of a run.
3750 2006-06-11 Eric Christopher <echristo@apple.com>
3753 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3756 2006-06-11 Roger Sayle <roger@eyesopen.com>
3759 Revert incorrect fix for PR target/27158
3760 2006-05-08 Roger Sayle <roger@eyesopen.com>
3761 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3762 of a reg_equiv_constant if the result is a legitimate constant.
3764 2006-06-11 Roger Sayle <roger@eyesopen.com>
3767 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3768 extract a CONST_VECTOR element and interpret it as an integer.
3769 (vspltis_constant): Use const_vector_elt_as_int instead of the
3770 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3771 * config/rs6000/predicates.md (easy_vector_const): Consider
3772 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3774 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3777 * stor-layout.c (update_alignment_for_field): Don't add extra
3778 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3781 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3783 * config/mips/t-rtems: Add EL/EB multilib variants.
3785 2006-06-09 Mike Stump <mrs@apple.com>
3787 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3789 2006-06-09 David Daney <ddaney@avtrex.com>
3791 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3793 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3795 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3797 2006-06-09 Richard Guenther <rguenther@suse.de>
3799 PR tree-optimization/26998
3800 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3801 of signed types, only TYPE_MIN_VALUE is special, but for both,
3802 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3803 in this case, as is -fwrapv.
3805 2006-06-08 Mike Stump <mrs@apple.com>
3808 * config/darwin.c (darwin_asm_output_anchor): Disable
3809 -fsection-anchors on darwin for now.
3810 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3811 * rs6000/rs6000.c (optimization_options): Likewise.
3813 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3816 * config/i386/i386.c (classify_argument): Skip fields with invalid
3819 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3821 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3822 (cse_insn): Likewise for the stack_pointer_rtx.
3824 2006-06-08 Roger Sayle <roger@eyesopen.com>
3826 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3827 conditions from floating point comparisons.
3829 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3832 * expmed.c (struct alg_hash_entry): Fix type of field T
3833 to match synth_mult argument.
3834 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3836 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3839 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3842 2006-06-08 Richard Guenther <rguenther@suse.de>
3845 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3846 only, if overflow is defined and not trapping.
3847 (negate_expr): Likewise.
3849 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3851 PR tree-optimization/27872
3852 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3853 flag on the new exit edge of the unrolled loop.
3855 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3857 PR rtl-optimization/26449
3858 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3860 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3863 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3864 referenced_variables with matching DECL_UID's.
3865 (find_referenced_vars): Make sure duplicate list is empty to start.
3866 (referenced_var_p): Remove.
3867 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3868 Check if var is in the list, and add if needed. Update the duplicate
3869 list if a different var is in the list with the same DECL_UID.
3870 (add_referenced_var): Call routine to check and insert.
3871 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3872 * tree-flow.h (referenced_vars_dup_list): External declaration.
3874 2006-06-07 Fred Fish <fnf@specifix.com>
3876 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3879 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3882 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3883 the imaginary and real parts of a clobbered register.
3884 Emit insn to set the imaginary part.
3886 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3888 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3889 in lieu of unwind-dw2-fde.c.
3891 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3893 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3895 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3898 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3899 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3900 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3901 V4SImode temporaries and operations instead.
3903 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3905 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3908 2006-06-06 Mike Stump <mrs@apple.com>
3910 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3911 installing during build.
3913 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3915 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3917 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3918 * config/ia64/ia64.c (params.h): New header.
3919 (ia64_optimization_options): New function to adjust parameters.
3920 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3921 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3922 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3924 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3926 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3928 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3931 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3933 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3934 Victor Kaplansky <victork@il.ibm.com>
3936 PR tree-optimization/26360
3937 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3940 2006-06-04 Roger Sayle <roger@eyesopen.com>
3941 Andrew Pinski <pinskia@physics.uc.edu>
3944 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3945 for LABEL_DECL before calling DECL_WEAK.
3948 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3949 LABEL_DECL and PARM_DECL.
3951 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3955 * c-decl.c (grokdeclarator): Disallow variably modified types at
3956 file scope. Avoid marking shared array type of constant size as
3959 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3962 * c-common.c (fold_offsetof_1): Handle static members.
3964 2006-06-04 Eric Christopher <echristo@apple.com>
3966 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3967 (debug_rli): Output value for remaining_in_alignment.
3968 (update_alignment_for_field): Unconditionalize
3969 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3970 extra alignment code.
3971 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3972 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3973 * tree.h (record_layout_info_s): Remove prev_packed.
3974 * doc/extend.texi (ms_struct): Add documentation of format.
3976 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3978 * tree.h: Declare folding_initializer.
3979 * builtins.c (fold_builtin_constant_p): Give definite answer
3980 if folding inside an initializer.
3981 * fold-const.c: Define folding_initializer.
3982 (START_FOLD_INIT): Save and then set folding_initializer.
3983 (END_FOLD_INIT): Restore folding_initializer.
3985 2006-06-04 Richard Guenther <rguenther@suse.de>
3987 PR tree-optimization/27039
3988 * fold-const.c (fold_comparison): Handle pointer comparison
3989 again for all comparison codes. Compare offsets in signed
3991 (fold_binary): Move code from here.
3993 2006-06-03 Roger Sayle <roger@eyesopen.com>
3996 * config/i386/i386.c (construct_container): Split static issued_error
3997 flag into issued_sse_arg_error, issued_sse_ret_error and
3998 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3999 requires the use of x87 registers and the user explicitly
4000 specified the -mno-80387 command line option.
4002 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4004 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4005 HAVE_DECL_SIGALTSTACK.
4007 (segv_handler): Use MC_FLD.
4008 * configure.ac: Check for a sigaltstack declaration.
4009 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4010 * configure: Regenerate.
4011 * config.in: Regenerate.
4013 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4016 * Makefile.in (stmp-fixinc): Fix typo.
4018 2006-06-02 Roger Sayle <roger@eyesopen.com>
4020 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4021 are type correct. Clean-up.
4022 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4023 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4025 2006-06-01 DJ Delorie <dj@redhat.com>
4027 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4028 shift, as we've disabled the "switch" insn that needs it.
4030 2006-06-01 Per Bothner <bothner@bothner.com>
4032 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4033 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4034 * c-ppoutput.c (cb_define): Don't increment line 0.
4036 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4038 * doc/invoke.texi: Add cpu_type power6.
4039 * config.gcc: Add cpu_type power6.
4040 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4041 to power5+ with Altivec.
4042 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4043 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4045 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4047 * config/avr/avr.h (SET_ASM_OP): Define.
4049 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4051 * config/bfin/bfin.c: Fix comment typos.
4053 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4056 * doc/install.texi: Document --enable-bootstrap and
4057 --disable-bootstrap.
4059 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4061 * doc/install.texi: Document that InfoZIP can replace jar.
4063 2006-05-31 Roger Sayle <roger@eyesopen.com>
4065 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4066 isn't available, directly generate the simpler x87 patterns without
4067 the (use (const_int 0)).
4068 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4069 implementation isn't available.
4070 (*negdf2_1): Likewise.
4071 (*negxf2_1): XF mode negation is always done using the x87.
4072 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4074 2006-05-31 Roger Sayle <roger@eyesopen.com>
4076 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4077 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4079 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4081 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4083 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4084 * config/bfin/bfin.c (basic-block.h): Include.
4085 (struct machine_function): New.
4086 (bfin_init_machine_status): New.
4087 (override_options): Initialize init_machine_status.
4088 (bfin_hardware_loop): New.
4089 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4090 (DEF_VEC_P (loop_info)): New.
4091 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4092 (struct loop_info): New.
4093 (loop_info): New typedef.
4094 (struct loop_work): New.
4095 (loop_work): New typedef.
4096 (DEF_VEC_O (loop_work)): New.
4097 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4098 (bfin_dump_loops): New.
4099 (bfin_bb_in_loop): New.
4100 (bfin_scan_loop): New.
4101 (bfin_optimize_loop): New.
4102 (bfin_reorg_loops): New.
4103 (bfin_reorg): Use bfin_reorg_loops.
4104 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4106 (I_REGNO_P): Simplify.
4107 (DP_REGNO_P, DPREG_P): New macros.
4108 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4109 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4110 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4111 Add LT_REGS, LC_REGS, LB_REGS.
4112 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4114 (REGNO_REG_CLASS): Deal with loop registers.
4115 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4117 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4118 New constants for loop registers.
4119 (UNSPEC_LSETUP_END): New.
4120 (seq_insns): New define_attr. Set it for appropriate insns.
4121 (movsi_insn): Add alternatives for move from/to
4122 loop count registers.
4123 (doloop_end): New define_expand.
4124 (loop_end): New define_insn.
4125 (define_split for bad doloop_end): New.
4126 (lsetup_with_autoinit): New define_insn.
4127 (lsetup_without_autoinit): New define_insn.
4128 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4129 * config/bfin/predicates.md (lc_register_operand): New.
4130 (lt_register_operand): New.
4131 (lb_register_operand): New.
4132 (nondp_register_operand): New.
4133 (nondp_reg_or_memory_operand): New.
4134 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4136 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4138 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4139 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4141 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4143 * Makefile.in (CATALOGS): Add po/ prefix.
4144 * configure: Regenerated.
4146 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4149 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4150 a shift operand before calling shift_op. Avoid redundant call of
4153 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4154 DJ Delorie <dj@redhat.com>
4156 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4157 we're inserting is a singlt-bit constant.
4159 2006-05-30 Roger Sayle <roger@eyesopen.com>
4161 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4162 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4164 2006-05-30 Roger Sayle <roger@eyesopen.com>
4166 PR tree-optimization/23452
4167 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4168 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4169 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4170 complex values and with -ffast-math for FP complex values.
4172 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4174 * c-common.h: Remove the prototype for yyparse.
4175 * rtl.h: Remove the prototype for init_loop.
4177 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4179 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4182 2006-05-30 Roger Sayle <roger@eyesopen.com>
4184 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4186 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4187 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4189 2006-05-30 Dirk Mueller <dmueller@suse.de>
4192 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4193 for CONSTANT_CLASS_P expresisons.
4195 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4198 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4200 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4202 PR tree-optimization/27779
4203 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4204 initial_condition instead of CHREC_LEFT.
4206 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4208 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4209 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4210 Make prototypes ISO C90.
4212 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4213 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4215 * see.c (see_analyze_one_def): Correct check.
4216 (see_get_extension_data): Check if extension is parallel.
4217 (see_get_extension_reg): Likewise.
4219 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4222 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4223 into register for (code == GTU).
4225 2006-05-29 Roger Sayle <roger@eyesopen.com>
4227 PR tree-optimization/24964
4228 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4229 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4230 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4231 abs(x)*abs(x) as x*x for scalar floating point modes.
4233 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4236 * lambda-code.c (perfect_nestify): Don't copy statements
4237 in the inner loop: move them to the inner loop header.
4239 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4242 * c-tree.texi: Document OpenMP directives and clauses.
4244 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4246 * varasm.c (globalize_decl): Fix indentation.
4248 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4251 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4252 pass_fre, pass_store_ccp, pass_copy_prop,
4253 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4254 pass_return_slot, pass_object_size, pass_lim,
4255 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4256 pass_loop_prefetch and pass_stdarg.
4258 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4260 * config/bfin/bfin.opt (mfdpic): New option.
4261 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4262 (EXTRA_MULTILIB_PARTS): Likewise.
4263 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4264 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4266 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4267 (CRT_CALL_STATIC_FUNCTION): New.
4268 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4270 (CRT_CALL_STATIC_FUNCTION): New.
4271 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4273 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4274 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4275 (initialize_trampoline): Changed to handle FD-PIC code generation.
4276 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4277 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4278 (override_options): Disallow -mid-shared-library -mfdpic combination.
4279 Can't do unaligned ops if FD-PIC.
4280 Turn off flag_pic if trying to generate non-id-shared-library
4281 non-fdpic code, since it's not supported.
4282 (bfin_assemble_integer): New function.
4283 (TARGET_ASM_INTEGER): Define.
4284 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4286 * config/bfin/crtn.s: Restore them.
4287 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4289 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4290 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4291 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4292 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4293 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4295 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4296 FDPIC_REGS and FDPIC_FPTR_REGS.
4297 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4298 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4299 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4300 (load_funcdescsi): New pattern.
4301 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4302 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4303 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4305 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4307 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4310 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4312 * tree-flow.h: Remove the prototype for add_type_alias.
4313 * tree-ssa-alias.c (add_type_alias): Remove.
4315 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4317 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4318 config/fr30/fr30.md, config/i386/i386-interix.h,
4319 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4320 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4321 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4322 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4323 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4324 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4325 Follow spelling conventions.
4326 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4327 Follow spelling conventions.
4329 2006-05-27 Richard Guenther <rguenther@suse.de>
4332 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4333 to produce a constant of value 1 of generic type.
4335 2006-05-27 Dirk Mueller <dmueller@suse.de>
4337 * cgraphunit.c (decide_is_function_needed): Fix wrong
4340 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4342 PR rtl-optimization/27661
4343 * reload.c (find_reloads): When reloading a VOIDmode constant
4344 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4345 use Pmode as mode of the reload register.
4347 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4349 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4350 is enabled at -O and above.
4352 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4355 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4358 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4361 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4362 for anonymous variables explicitly declared by front ends.
4364 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4366 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4367 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4368 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4369 ref-all pointers, run a finalization pass for them.
4370 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4371 (finalize_ref_all_pointers): New function.
4372 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4373 regular pointer type to a ref-all pointer type.
4374 (get_tmt_for): Return the special memory tag for ref-all pointers.
4376 2006-05-25 Richard Guenther <rguenther@suse.de>
4379 * fold-const.c (fold_binary): Do not look at the stripped
4380 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4382 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4384 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4385 for LT and GT if the computed range is effectively empty.
4387 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4390 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4391 mips_quad_format formats instead of ieee_single_format,
4392 ieee_double_format and ieee_quad_format formats, respectively.
4394 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4396 PR tree-optimization/27639
4397 PR tree-optimization/26719
4398 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4399 call to scev_probably_wraps_p.
4400 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4401 used_in_pointer_arithmetic_p, convert_step): Removed.
4402 (nowrap_type_p): New function.
4403 (scev_probably_wraps_p): Rewritten.
4404 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4405 chrec_convert if chrec_convert_aggressive might have been used.
4406 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4407 scev_direction): New functions.
4408 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4409 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4410 instead of convert_step.
4411 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4412 (convert_step): Declaration removed.
4413 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4415 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4417 * df-core.c: Added to header comments.
4418 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4419 df_ur_bb_info, df_urec_bb_info): Added comments.
4420 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4421 urec, ri problems): Fixed header comments.
4422 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4423 code from df_rd_transfer_function.
4425 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4427 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4428 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4429 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4431 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4433 * expr.c (undefined_operand_subword_p): New.
4434 (emit_move_multi_word): Do not generate move from undefined bits
4435 of a paradoxical subreg.
4437 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4439 PR rtl-optimization/27736
4440 * combine.c (replaced_rhs_value): New variable.
4441 (combine_instructions): Set it.
4442 (distribute_notes): When distributing a note in replaced_rhs_insn,
4443 check whether the value was used in replaced_rhs_value.
4445 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4448 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4449 add_referenced_var instead of add_referenced_tmp_var.
4450 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4451 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4453 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4454 tree_optimize_tail_calls_1): Use add_referenced_var.
4455 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4456 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4457 Use add_referenced_var.
4458 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4459 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4460 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4461 Use add_referenced_var.
4462 * tree-dfa.c (struct walk_state): Remove.
4463 (find_referenced_vars): Remove walk state and vars_found hash table.
4464 (make_rename_temp): Use add_referenced_var.
4465 (find_vars_r): Pass less parameters to add_referenced_var.
4466 (referenced_var_p): New. Is var in referenced_var hash table.
4467 (referenced_var_insert): Assert var isn't already in hash table.
4468 (add_referenced_var): Don't need walk_state parameter. Add var if it
4469 isn't already in the hash table.
4470 (add_referenced_tmp_var): Remove.
4471 (find_new_referenced_vars_1): Use add_referenced_var.
4472 * tree-ssa-pre.c (create_expression_by_pieces,
4473 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4474 Use add_referenced_var.
4475 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4476 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4477 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4479 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4480 vect_create_data_ref_ptr, vect_create_destination_var,
4481 vect_init_vector, vect_build_loop_niters,
4482 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4483 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4484 Use add_referenced_var.
4485 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4486 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4487 (add_referenced_var): Add prototype.
4488 * tree-ssa-structalias.c (get_constraint_for,
4489 intra_create_variable_infos): Use add_referenced_var.
4491 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4493 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4494 big-endian paradoxical subregs.
4495 * var-tracking.c (struct micro_operation_def): Document that,
4496 for modify micro operations, insn is the subsequent instruction.
4497 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4498 (var_reg_set, var_mem_set): ... new functions.
4499 (add_stores): Record subsequent insn.
4500 (compute_bb_dataflow): Use new functions for MO_USE.
4501 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4502 notes after the insn, and modify notes before the insn known
4503 to be the subsequent one.
4504 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4506 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4509 * config/i386/i386.c (ix86_expand_builtin): Use
4510 gen_sse3_monitor64 for TARGET_64BIT.
4512 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4514 PR rtl-optimization/26375
4515 PR rtl-optimization/26855
4516 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4518 (df_ru_bb_local_compute): Reversed statements and removed bogus
4519 comment explaining why they should be in wrong order.
4520 (df_ru_dump, df_rd_dump): Enhanced debug info.
4521 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4523 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4524 reaching uses and fixed space problem.
4526 2006-05-23 Jan Hubicka <jh@suse.cz>
4528 * cgraphunit.c (decide_is_function_needed): Also nested functions
4529 and functions declared inline can be optimized out at -O0.
4531 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4533 * doc/install.texi (Configuration): Remove reference to CrossGCC
4537 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4540 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4541 ix86_compare_emitted is non-NULL.
4543 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4546 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4549 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4551 PR rtl-optimization/25514
4552 * combine.c (replaced_rhs_insn): New variable.
4553 (combine_instructions): Set replaced_rhs_insn when trying to replace
4554 a SET_SRC with a REG_EQUAL note.
4555 (distribute_notes): Use replaced_rhs_insn when determining the live
4556 range of a REG_DEAD register.
4558 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4559 Anatoly Sokolov <aesok@post.ru>
4561 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4562 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4563 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4564 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4565 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4566 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4567 at90usb647, at90usb1286 and at90usb1287 devices.
4568 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4569 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4571 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4573 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4575 2006-05-22 Richard Guenther <rguenther@suse.de>
4578 2006-01-31 Richard Guenther <rguenther@suse.de>
4579 Paolo Bonzini <bonzini@gnu.org>
4581 * doc/install.texi (--disable-libgcc-math): Document.
4583 2006-05-22 Richard Guenther <rguenther@suse.de>
4586 2006-01-31 Richard Guenther <rguenther@suse.de>
4588 * doc/invoke.texi (-msselibm): Document.
4589 * target.h (expand_library_builtin): New target hook.
4590 * builtins.c (expand_builtin): Use expand_library_builtin.
4591 (default_expand_library_builtin): New function.
4592 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4593 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4594 (link_gcc_math_spec): Declare.
4595 (static_specs): Add link_gcc_math_spec.
4596 * expr.h (default_expand_library_builtin): Declare.
4597 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4598 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4599 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4600 * config/i386/i386.opt (msselibm): New target option.
4601 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4602 (ix86_init_sse_abi_builtins): New function.
4603 (ix86_expand_library_builtin): Likewise.
4604 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4605 (override_options): Handle error conditions wrt -msselibm.
4606 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4607 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4608 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4611 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4614 * c-common.c (self_promoting_args_p): Skip erroneous args.
4617 * c-decl.c (finish_struct): Skip erroneous fields.
4619 2006-05-22 Nick Clifton <nickc@redhat.com>
4621 * config/cris/cris.opt (march): Remove VarExists attribute.
4622 (max-stackframe=): Likewise.
4624 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4626 * doc/rtl.texi: Fix a typo.
4627 * see.c: Fix comment typos.
4629 * tree-ssa-structalias.h (alias_info): Remove num_references.
4631 2006-05-21 Mike Stump <mrs@apple.com>
4633 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4635 (darwin_pragma_options): Use BAD instead.
4636 (darwin_pragma_unused): Likewise.
4637 (darwin_pragma_ms_struct): Likewise.
4639 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4641 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4643 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4645 PR rtl-optimization/27671
4646 * simplify-rtx.c (simplify_relational_operation_1): Fix
4647 simplifications of (eq/ne (xor x y) y) and
4648 (eq/ne (xor x y) x).
4650 PR tree-optimization/26622.
4651 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4654 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4656 * tree-cfg.c: Prune whitespace.
4657 (debug_tree_cfg): Point to correct header containing the
4660 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4663 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4665 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4668 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4669 or sorry count is non zero.
4671 2006-05-20 Andreas Schwab <schwab@suse.de>
4673 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4675 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4676 Kenneth Zadeck <zadeck@naturalbridge.com>
4678 PR rtl-optimization/26855
4680 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4682 (df_scan_alloc): Added code to properly handle multiword hard
4683 registers and add all_blocks parameter.
4684 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4685 code to properly handle multiword hard registers.
4686 (df_rescan_blocks): Added code to remove deleted blocks from
4688 (df_ref_create_structure, df_ref_record): Added code to properly
4690 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4691 and set DF_REF_PARTIAL.
4692 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4693 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4694 (df_scan_add_problem): Added flags parameter.
4695 (df_ref_create_structure): Changed switching structure.
4696 (df_bb_refs_record): Fixed case where duplicate artificial refs
4697 were created. Changed location of flags.
4698 (df_record_entry_block_defs): Added code to make stack pointer
4699 live in entry block. Refined cases where frame pointer is needed.
4700 Changed location of flags.
4701 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4702 (df_set_state): Removed function.
4703 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4704 df_insn_create_insn_record, df_insn_refs_delete,
4705 df_ref_create_structure): Formatting changes.
4706 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4707 df_delete_basic_block): New function.
4708 (df_init): Changed location of flags.
4709 (df_add_problem): Added flags parameter and the way flags are
4711 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4712 debug_df_chain): Improved debugging output.
4713 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4714 (df_refs_chain_dump): Removed df parameter.
4715 (df_iterative_dataflow): Added consistency check.
4716 (df_prune_to_subcfg): Made public.
4717 (df_analyze_problem): Added blocks_to_init parameter and made
4719 (df_ref_record, df_bb_refs_record, df_mark_reg,
4720 df_record_exit_block_uses): Whitespace changes.
4721 (df_dump): Whitespace changes.
4722 * df.h: Some reordering to remove forward references.
4723 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4724 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4725 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4726 (dataflow.flags): New field.
4727 (df.flag): Deleted field.
4728 (df_alloc_function): Added additional bitmap parameter.
4729 (df_dependent_problem_function): New type.
4730 (df_problem.changeable_flags): New field.
4731 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4732 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4733 (df_mw_hardreg): New struct.
4734 (DF_INSN_UID_MWS): New macro.
4735 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4737 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4738 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4739 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4740 (df_set_state): Removed function.
4741 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4742 * df-problems.c (df_chain_dump): Removed df parameter.
4743 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4744 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4746 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4747 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4748 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4749 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4750 DF_REF_MUST_CLOBBER cases.
4751 (df_ru_bb_local_compute_process_def,
4752 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4753 df_lr_bb_local_compute, df_ur_bb_local_compute,
4754 df_chain_create_bb): Made subreg aware.
4755 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4756 df_lr_bb_local_compute, df_lr_bb_local_compute,
4757 df_chain_create_bb): Cleanup to use proper macros.
4758 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4759 code to fixup bitvectors.
4760 (df_ri_alloc): Cleared lifetime.
4761 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4762 df_create_unused_note): New function.
4763 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4764 REG_DEAD and REG_UNUSED notes as well as register information.
4765 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4766 df_chains_dump): Fixed crash if problem was never run.
4767 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4768 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4769 df_ri_add_problem): Processes flags in uniform manner.
4770 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4771 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4772 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4773 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4774 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4775 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4776 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4777 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4778 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4779 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4780 * see.c (see_initialize_data): Ditto.
4781 * final.c (rest_of_clean_state) Added regstack_completed.
4782 * rtl.h (regstack_completed): Ditto.
4783 * reg-stack.c (regstack_completed): Ditto.
4785 2006-05-19 Mike Stump <mrs@apple.com>
4787 * c-tree.h (default_conversion): Remove.
4788 * c-common.h (default_conversion): Add.
4790 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4792 * tree-vrp.c (valid_value_p): New function.
4793 (adjust_range_with_scev): Fail if the value of bound is not
4796 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4798 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4799 (mips_fallback_frame_state): Use syscall numbers to determine
4800 the appropriate li instruction for the current ABI. Only use
4801 __NR_sigreturn for o32.
4803 2006-05-19 Nicolas Setton <setton@adacore.com>
4805 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4806 * langhooks.c (lhd_dwarf_name): New function.
4807 * langhooks-def.h (lhd_dwarf_name): Declare.
4808 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4809 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4810 * ada/misc.c (gnat_dwarf_name): New function.
4811 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4813 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4815 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4817 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4818 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4819 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4820 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4821 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4822 determine the size of Wtype, etc.
4823 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4824 (swfloatfuncs): New variable.
4825 (dwfloatfuncs): Likewise.
4826 (lib2funcs): Remove floating-point conversion functions from
4827 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4828 the set of conversion routines needed. Allow entries to specify
4829 an object name, filename and word size. Update users accordingly.
4830 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4831 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4835 2006-02-08 Roger Sayle <roger@eyesopen.com>
4838 * config/fixtfdi.c: New libgcc source file.
4839 * config/fixunstfdi.c: New source file.
4840 * config/floatditf.c: New source file.
4841 * config/floatunditf.c: New souce file.
4842 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4843 files above instead of config/mips/_tilib.c.
4844 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4846 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4848 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4849 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4851 2006-05-18 Mike Stump <mrs@apple.com>
4853 Fix up vla, vm and [*] sematics.
4859 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4860 (c_vla_unspec_p): Add.
4861 (c_vla_type_p): Add.
4862 * c-decl.c (struct c_scope): Add had_vla_unspec.
4863 (build_array_declarator): Add support for [*].
4864 (grokdeclarator): Likewise.
4865 (grokparms): Likewise.
4866 (get_parm_info): Likewise.
4867 * c-objc-common.c (c_vla_unspec_p): Likewise.
4868 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4869 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4870 typeof when argument is a variably modified type not inside sizeof or alignof.
4871 (c_parser_direct_declarator_inner): Propagate errors.
4872 (c_parser_sizeof_expression): Add support for [*].
4873 (c_parser_parms_declarator): Initialize had_vla_unspec.
4874 (c_parser_parms_list_declarator): Likewise.
4875 * c-typeck.c (c_vla_type_p): Add.
4876 (composite_type): Add support for vla compositing.
4877 (comptypes_internal): Add support for vla compatibility.
4878 (c_expr_sizeof_expr): Evaluate vla arguments.
4879 * tree.c (variably_modified_type_p): Update comment for [*].
4881 2006-05-18 Michael Matz <matz@suse.de>
4884 * config.host: Make assignments to host_xmake_file cumulative.
4885 * config.host (*-darwin*): Test $host, not $target.
4887 2006-05-12 Stuart Hastings <stuart@apple.com>
4889 * config/i386/i386.opt (-mstackrealign): New flag.
4890 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4891 (ix86_handle_cconv_attribute): Emit error when
4892 force_align_arg_pointer attribute collides with too many regparms.
4893 (ix86_function_regparm): Limit regparms when used with
4894 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4895 Support stack-realigning prologue in non-main functions. Emit
4896 warning for nested functions under -mstackrealign, emit error for
4897 nested functions with force_align_arg_pointer attribute.
4898 * doc/extend.texi (force_align_arg_pointer): Document it.
4899 * doc/invoke.texi (-mstackrealign): Document it.
4901 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4903 PR rtl-optimization/27477
4904 * combine.c (try_combine): Don't split a parallel consisting
4905 of two sets into two individual sets if both sets reference
4908 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4910 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4911 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4913 * doc/options.texi (VarExists): Updated.
4915 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4917 * unwind-dw2.c: Add declarations for uw_update_context and
4919 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4920 detected, advance frame state and context once to skip over stub.
4922 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4926 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4927 Call rewrite_into_loop_closed_ssa only when something changed.
4928 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4929 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4930 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4931 Test for perfect_nest_p here. Fix formating.
4932 (replace_uses_equiv_to_x_with_y): Fix formating.
4933 (stmt_uses_op): Removed.
4934 (can_convert_to_perfect_nest): Removed loopivs parameter.
4935 Complete the test by checking the scalar dependences.
4936 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4939 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4942 From Dan Kegel <dank@kegel.com>:
4943 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4945 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4947 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4948 if the element type is variably modified without recursing.
4950 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4953 * tree-loop-linear.c (try_interchange_loops): Test for
4954 no data dependences.
4956 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4958 PR tree-optimization/27548
4959 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4960 range of ssa names that appear on abnormal edges.
4961 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4962 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4964 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4967 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4969 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4972 * tree.h (OMP_PARALLEL_COMBINED): Define.
4973 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4974 (new_omp_context): Add is_combined_parallel argument.
4975 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4976 new_omp_context caller.
4977 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4978 Adjust gimplify_scan_omp_clauses callers.
4979 (omp_is_private): Issue errors if iteration variable is firstprivate
4980 or reduction in the current context.
4981 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4982 on combined parallel workshare constructs.
4984 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4986 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4987 (gcc-options.o): New rule.
4989 * optc-gen.awk: Protect variables for gcc-options.o with
4990 #ifdef GCC_DRIVER/#endif.
4992 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4994 Fix PR tree-optimization/27373
4995 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4996 (forward_propagate_addr_expr): Update call.
4998 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5000 * doc/options.texi: Move the Negative option.
5002 2006-05-16 Richard Guenther <rguenther@suse.de>
5004 PR tree-optimization/22303
5005 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5007 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5008 ccp_fold did not simplify the statement.
5010 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5013 * Makefile.in (GCC_OBJS): New.
5014 (OBJS-common): Add opts-common.o.
5015 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5016 (cpp$(exeext)): Likewise.
5017 (gcc.o): Also depend on opts.h.
5018 (opts-common.o): New.
5020 * common.opt (gcoff): Add Negative(gdwarf-2).
5021 (gdwarf-2): Add Negative(gstabs).
5022 (gstabs): Add Negative(gstabs+).
5023 (gstabs+): Add Negative(gvms).
5024 (gvms): Add Negative(gxcoff).
5025 (gxcoff): Add Negative(gxcoff+).
5026 (gxcoff+): Add Negative(gcoff).
5027 * config/i386/i386.opt (m32): Add Negative(m64).
5028 (m64): Add Negative(m32).
5030 * doc/options.texi: Document the Negative option.
5032 * gcc.c: Include "opts.h".
5033 (main): Call prune_options after expandargv.
5035 * optc-gen.awk: Generate common declarations for all flag
5036 variables in options.c. Output the neg_index field.
5038 * opts.c (find_opt): Moved to ...
5039 * opts-common.c: Here. New file.
5041 * opts.h (cl_option): Add a neg_index field.
5043 (prune_options): Likewise.
5045 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5048 * omp-low.c (expand_omp_parallel): Don't assert
5049 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5050 instead search for it.
5053 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5056 2006-05-16 Andreas Schwab <schwab@suse.de>
5058 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5061 2006-05-15 Roger Sayle <roger@eyesopen.com>
5064 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5065 integer constants other than zero are only legitimate on TARGET_64BIT.
5066 <CONST_VECTOR> Only zero vectors are legitimate.
5067 (ix86_cannot_force_const_mem): Integral and vector constants can
5068 always be put in the constant pool.
5070 2006-05-16 DJ Delorie <dj@redhat.com>
5072 * crtstuff.c (__dso_handle): Set section from
5073 TARGET_LBIGCC_SDATA_SECTION if defined.
5074 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5075 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5077 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5080 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5083 2006-05-16 Ben Elliston <bje@au.ibm.com>
5085 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5087 2006-05-15 Per Bothner <per@bothner.com>
5089 * tree.c: (last_annotated_node): Use source_locus typedef.
5090 This permits bootstrapping with --enable-mapped-location.
5092 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5094 PR tree-optimization/26830
5095 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5096 (info_for_ssa_name, current_info_for_ssa_name_age,
5097 blocks_to_update): New variables.
5098 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5099 (clear_ssa_name_info, initialize_flags_in_bb,
5100 mark_block_for_update): New functions.
5101 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5102 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5103 prepare_def_site_for): Use mark_block_for_update.
5104 (mark_def_interesting): Assert that the processed block is marked in
5105 blocks_to_update. Do not take blocks argument.
5106 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5108 (rewrite_update_init_block, rewrite_update_stmt): Only process
5109 blocks with statements to rewrite.
5110 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5111 (update_ssa): Initialize and free blocks_to_update. Do not
5112 clear flags on statements. Do not use blocks bitmap.
5113 * tree.h (SSA_NAME_AUX): Removed.
5114 (struct tree_ssa_name): Removed aux field.
5115 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5117 2006-05-15 Richard Guenther <rguenther@suse.de>
5119 PR tree-optimization/27603
5120 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5121 Do computations in original type.
5123 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5125 * see.c: Code style changes such as redundant paranthesis,
5126 redundant intialization of local variables etc.
5127 (see_main): Declared now as static.
5128 * doc/invoke.texi: Update that -fsee is not enabled by
5131 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5133 * omp-low.c (check_omp_nesting_restrictions): New function.
5134 (scan_omp_1): Call it.
5137 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5138 construct, return *VAR.
5140 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5142 PR rtl-optimization/27406
5143 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5146 2006-05-14 Roger Sayle <roger@eyesopen.com>
5148 PR rtl-optimization/27538
5149 * combine.c (expand_compound_operation): Call gen_lowpart
5150 before calling simplify_shift_const.
5152 2006-05-14 Roger Sayle <roger@eyesopen.com>
5154 PR rtl-optimization/22563
5155 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5156 a fixed width bitfield, always force the intermediates into psuedos.
5158 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5161 * mkconfig.sh: Use operator = instead of == for test.
5163 2006-05-13 Nick Clifton <nickc@redhat.com>
5165 * dwarf2out.c (dbx_reg_number): Check return value from
5166 LEAF_REG_REMAP and only use it if it is valid.
5167 (multiple_reg_loc_descriptor): Likewise.
5169 2006-05-13 Richard Guenther <rguenther@suse.de>
5171 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5174 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5176 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5177 information attached to non-INSNs such as NOTEs.
5178 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5180 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5182 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5184 * config/s390/s390.md: Adjust comment describing On constraint.
5186 2006-05-11 Jan Hubicka <jh@suse.cz>
5188 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5189 to be output at -O0.
5191 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5194 * fold-const.c (size_binop): Move sanity check for arguments to
5195 the beginning of the function.
5198 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5201 2006-05-11 Richard Guenther <rguenther@suse.de>
5204 * fold-const.c (fold_unary): Handle intermediate conversion
5205 to a pointer type like intermediate conversion to an integer
5206 type in folding of (T1)(T2)var to var.
5207 Match the code to the comment in the final conversion for
5208 (T1)(T2)var to (T1)var regarding to type precision. Rather
5209 than disallow T1 being of pointer type, assert that both T1
5210 and var are of pointer type or not. Make sure not to fall
5211 over the frontends lazyness wrt array to pointer decay though.
5213 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5215 * arm.c (arm_struct_value_rtx): Delete.
5216 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5217 (arm_init_cumulative_args): Always initialize nregs to zero.
5219 2006-05-10 Richard Guenther <rguenther@suse.de>
5221 PR tree-optimization/27532
5222 * tree-object-size.c (plus_expr_object_size): Fix typo.
5224 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5227 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5228 ashrdi_const, ashrdi3): Use a scratch register.
5230 2006-05-10 Richard Guenther <rguenther@suse.de>
5232 PR tree-optimization/27302
5233 * fold-const.c (operand_equal_p): For two comparisons,
5234 try comparison of one comparison code swapped if that yields
5237 2006-05-10 Ben Elliston <bje@au.ibm.com>
5239 * tree-pretty-print.c (pretty_print_string): No need to handle
5240 '\0' as a special character.
5242 * tree.h: Include "hashtab.h".
5243 (iterative_hash_expr): Use hashval_t in its prototype.
5244 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5246 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5249 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5250 (hppa*64*-*-hpux11*): Ditto.
5251 (hppa[12]*-*-hpux11*): Ditto.
5253 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5256 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5258 2006-05-09 Michael Matz <matz@suse.de>
5260 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5261 host_extra_gcc_objs and host_xmake_file.
5262 (<*-*-linux*>): Don't overwrite host_xmake_file.
5263 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5264 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5265 (host_detect_local_cpu): Declare.
5266 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5267 * config/i386/i386.c (override_options): Handle -mtune=native
5269 * config/i386/x-i386: New file.
5270 * config/i386/driver-i386.c: New file.
5271 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5274 2006-05-09 Dirk Mueller <dmueller@suse.de>
5275 Richard Guenther <rguenther@suse.de>
5278 * fold-const.c (fold_read_from_constant_string): Relax check
5279 for matching types to matching modes.
5281 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5283 PR rtl-optimization/27335
5284 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5287 2006-05-08 Chao-ying Fu <fu@mips.com>
5288 Richard Sandiford <richard@codesourcery.com>
5290 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5291 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5292 * config/mips/mips.md (UNSPEC_SCC): New constant.
5293 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5294 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5295 (mips_emit_compare): Use it.
5296 (mips_expand_vcondv2sf): New function.
5298 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5300 Fix PR tree-optimization/27093
5301 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5302 renaming when they become not-used_alone.
5304 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5306 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5307 relocation and relocation stubs.
5309 2006-05-08 Eric Christopher <echristo@apple.com>
5311 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5314 2006-05-08 Jan Hubicka <jh@suse.cz>
5317 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5318 unused static functions are needed.
5320 2006-05-08 Roger Sayle <roger@eyesopen.com>
5323 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5324 of a reg_equiv_constant if the result is a legitimate constant.
5326 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5329 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5330 standard 80387 constants, raise the cost to prevent
5331 compress_float_constant() to generate load from memory.
5333 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5335 * config/arm/constraints.md (c): Fix a typo.
5337 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5340 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5343 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5345 (_mm_mwait): Likewise.
5347 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5349 (sse3_monitor): Make it 32bit only.
5350 (sse3_monitor64): New. 64bit monitor.
5352 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5355 * config/i386/i386.c (classify_argument): Skip fields with invalid
5358 2006-05-07 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/27409
5361 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5362 Do not try to find zero-sized subvars.
5364 2006-05-07 Richard Guenther <rguenther@suse.de>
5366 PR tree-optimization/27136
5367 * tree-ssa-loop-niter.c (get_val_for): Correct function
5368 comment, assert requirements.
5369 (loop_niter_by_eval): Stop processing if the iterated
5370 value did not simplify.
5372 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5374 * opts.c (flag_see): remove its setting at -O3.
5376 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5378 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5379 * arm/constraints.md: New file.
5380 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5381 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5382 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5383 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5384 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5385 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5386 * arm.md: Include constraints.md.
5387 (thumb_movsi_insn): Use satisfies_constraint_J.
5388 (movhi, movqi): Use satisfies_constraint_I.
5390 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5392 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5393 for atmeg a645 device.
5395 2006-05-06 Richard Guenther <rguenther@suse.de>
5397 PR tree-optimization/27151
5398 * tree-vect-transform.c (vectorizable_condition): Punt on
5399 values that have a different type than the condition.
5401 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5404 * c-parser.c (c_parser_cast_expression): Only insert casts into
5405 hash table if pointer.
5406 * function.c (used_types_insert_helper): Rename from
5408 (used_types_insert): Call used_types_insert_helper.
5409 * function.h (used_types_insert): Accept only one argument.
5411 2006-05-05 David Edelsohn <edesohn@gnu.org>
5413 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5414 scratch with output modifier.
5416 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5419 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5420 with output modifier.
5422 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5425 * config/mips/mips.c (mips_symbolic_address_p): Return true
5426 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5427 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5429 2006-05-04 Richard Guenther <rguenther@suse.de>
5431 PR tree-optimization/14287
5432 PR tree-optimization/14844
5433 PR tree-optimization/19792
5434 PR tree-optimization/21608
5435 PR tree-optimization/27090
5436 * tree-ssa-pre.c (try_combine_conversion): New function.
5437 (compute_avail): After constructing the value-handle
5438 expression, use try_combine_conversion to combine NOP_EXPRs
5439 with previous value-handle expressions and use the result if it
5442 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5444 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5446 2006-05-04 Jan Hubicka <jh@suse.cz>
5449 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5451 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5453 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5454 that this only matches CONST_INTs. All users changed to VOIDmode
5457 * config/bfin/bfin.c: Include "optabs.h".
5458 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5460 (enum bfin_builtins): Add a number of fractional and vector builtins.
5461 (bfin_init_builtins): Likewise.
5462 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5463 (safe_vector_operand, bfin_expand_binop_builtin,
5464 bfin_expand_unop_builtin): New functions.
5465 (bfin_expand_builtin): Handle the new builtins.
5466 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5469 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5472 * Makefile.in (OBJS-common): Add see.o.
5473 (see.o): Add dependencies.
5474 * common.opt (fsee): New flag for the see optimization was added.
5475 * opts.c (flag_see): Initialized.
5476 * passes.c (init_optimization_passes, pass_see): New pass.
5477 * rtl.h (see_main): Declaration as extern.
5478 * timevar.def (TV_SEE): New.
5479 * tree-pass.h (pass_see): Declaration as extern.
5480 * invoke.texi (-fsee): Document.
5481 * recog.c (validate_simplify_insn): New function.
5482 * recog.h (validate_simplify_insn): Declaration as extern.
5483 * df-problems.c (df_chain_dump): Check for NULL.
5485 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5486 Daniel Berlin <dberlin@dberlin.org>
5488 * cfgrtl.c (insert_insn_bb_end_new): New function.
5489 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5491 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5493 * df.h (struct web_entry): Moved from web.c.
5494 (union_defs): Declaration as extern.
5495 (unionfind_root): Likewise.
5496 (unionfind_union): Likewise.
5497 * web.c (struct web_entry): Moved to df.h.
5498 (unionfind_root): Remove static declaration.
5499 (unionfind_union): Likewise.
5500 (union_defs): Likewise and generalize to use callback function.
5501 (web_main): Update arguments for union_defs function call.
5503 2006-05-04 Richard Guenther <rguenther@suse.de>
5505 PR tree-optimization/26447
5506 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5507 produce SSA_NAME copies before the store stmt to avoid
5508 breaking exception handling.
5510 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5513 * gimplify.c (omp_is_private): If var is shared in some outer context,
5514 return false instead of true. Stop searching on parallel context
5517 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5520 * coverage.c: Use get_gcov_unsigned_t() instead of
5521 unsigned_type_node all over.
5523 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5525 PR tree-optimization/27381
5526 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5527 maintain the same immediate_use links.
5528 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5529 node rather than segfaulting.
5531 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5534 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5535 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5536 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5538 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5540 Fix PR tree-optimization/26626
5541 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5543 * tree-ssa-operands.c (access_can_touch_variable): Allow
5544 typecasting through union pointers.
5546 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5549 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5550 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5551 to find if var will be a global variable even in the nested context.
5552 (omp_copy_decl): Only check for global variable at the end, it might
5553 be overridden in outer contexts.
5554 (scan_sharing_clauses): For global variables don't create a field.
5555 (lower_rec_input_clauses): Do nothing for global shared variables.
5556 Emit a barrier at the end of ILIST if there were any decls in both
5557 firstprivate and lastprivate clauses.
5558 (lower_send_clauses): Do nothing for global variables except for
5561 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5563 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5564 of the correct signedness is returned.
5566 2006-05-02 Jeff Law <law@redhat.com>
5568 PR tree-optimization/27364
5569 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5570 multiply expressions.
5572 2006-05-02 Tom Tromey <tromey@redhat.com>
5574 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5576 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5579 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5580 -mthumb -fPIC are used.
5582 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5583 Joshua Kinard <kumba@gentoo.org>
5586 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5587 with 64-bit pointers.
5589 2006-05-02 Paul Brook <paul@codesourcery.com>
5591 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5593 (create_fix_barrier): Check that a suitable barrier location is
5595 (arm_reorg): Include ftmp->address in allowable range of addresses.
5597 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5600 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5603 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5606 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5607 around RESULT_DECL for result passed by reference.
5608 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5609 * omp-low.c (use_pointer_for_field): Don't look at
5610 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5611 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5612 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5613 time or var for passing by reference for
5614 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5615 TREE_ADDRESSABLE variables when passing by reference.
5617 * omp-low.c (dump_omp_region): Fix output formatting.
5620 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5621 (expand_omp_parallel): Likewise.
5622 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5625 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5626 on statement list containing also constructors and destructors.
5627 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5630 * except.c (duplicate_eh_regions): Fix clearing of
5631 cfun->eh->region_array entries.
5633 2006-05-01 DJ Delorie <dj@redhat.com>
5635 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5637 (gcc_cv_objdump): Likewise.
5638 * configure: Regenerated.
5640 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5643 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5644 templates for case 3 and 4.
5646 2006-05-01 DJ Delorie <dj@redhat.com>
5648 * vec.c: Include bconfig.h when appropriate.
5649 * Makefile.in (build/vec.o): Adjust dependencies.
5650 * mkconfig.sh: Make sure config.h isn't used for build machine
5653 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5655 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5657 (mark_phi_for_rewrite): New function.
5658 (insert_phi_nodes_for, mark_use_interesting): Call
5659 mark_phi_for_rewrite.
5660 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5661 (update_ssa): Initialize and free phis_to_rewrite.
5663 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5665 PR rtl-optimization/27291
5666 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5667 folded to a constant.
5669 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5671 PR tree-optimization/27283
5672 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5673 not whole # of iteration descriptions.
5674 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5675 uses abnormal ssa name.
5676 (niter_for_single_dom_exit): Ditto.
5677 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5678 return just the number of iterations.
5680 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5682 PR tree-optimization/27144
5683 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5684 (record_estimate): Only record constant upper bound.
5685 (infer_loop_bounds_from_undefined): Call
5686 compute_estimated_nb_iterations just once.
5687 (proved_non_wrapping_p): Renamed to ...
5688 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5689 (convert_step_widening, scev_probably_wraps_p): Call
5690 n_of_executions_at_most instead of proved_non_wrapping_p.
5691 (substitute_in_loop_info): Do not replace values in bounds.
5692 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5695 2006-05-01 Richard Henderson <rth@redhat.com>
5698 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5699 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5702 2006-05-01 Roger Sayle <roger@eyesopen.com>
5704 * c-typeck.c (parser_build_binary_op): Don't call the function
5705 unsigned_conversion_warning to spot operand/result type overflow.
5706 (build_binary_op): Instead, call convert_and_check instead of
5707 convert to report the problem when the operands are promoted.
5708 * c-common.c (unsigned_conversion_warning): Make static.
5709 * c-common.h (unsigned_conversion_warning): Delete prototype.
5711 2006-05-01 Richard Guenther <rguenther@suse.de>
5713 PR tree-optimization/26726
5714 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5716 (find_interesting_uses_address): ... we work around here
5717 by folding INDIRECT_REFs in the substituted base.
5719 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5721 * omp-low.c (dump_omp_region): Add newlines.
5723 2006-04-30 Roger Sayle <roger@eyesopen.com>
5725 * common.opt (Woverflow): New command line option.
5726 * c-common.c (constant_expression_warning): Check warn_overflow.
5727 (overflow_waring): Pass OPT_Woverflow to warning.
5728 (unsigned_conversion_warning): Likewise.
5729 (convert_and_check): Likewise.
5730 * doc/invoke.texi: Document new command line option.
5732 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5734 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5735 TARGET_NO_FP_IN_TOC for section anchors.
5736 (optimization_options): Enable section anchors for all
5737 non-"Objective" languages.
5739 2006-04-28 Eric Christopher <echristo@apple.com>
5741 * config/darwin-c.c (darwin_ms_struct): Move this
5742 (darwin_set_default_type_attributes): and this...
5743 * config/darwin.c: ... here.
5744 * config/darwin.h (darwin_ms_struct): Declare.
5746 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5748 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5750 2006-04-28 Roger Sayle <roger@eyesopen.com>
5753 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5754 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5755 an unsigned HOST_WIDE_INT.
5756 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5758 (really_start_incremental_init): No need to call convert because
5759 bitsize_zero_node is already of type bitsizetype.
5760 (push_init_level): Extract the value of constructor_index as an
5761 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5762 (process_init_element): Likewise.
5764 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5766 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5767 value before passing to make_relative_prefix.
5769 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5772 * builtins.c (expand_builtin_memset): Expand val in original mode.
5774 2006-04-27 Eric Christopher <echristo@apple.com>
5776 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5777 with #ifndef/#endif.
5778 * config/darwin-c.c (darwin_ms_struct): New.
5779 (darwin_pragma_ms_struct): Ditto.
5780 (darwin_set_default_type_attributes): Ditto.
5781 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5782 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5783 Register ms_struct pragma.
5784 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5785 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5786 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5787 darwin_set_default_type_attributes if TARGET_MACHO.
5789 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5791 PR tree-optimization/26854
5792 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5793 * doc/tree-ssa.texi: Update immuse iterator documentation.
5794 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5795 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5796 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5797 first_safe_imm_use, next_safe_imm_use): Remove.
5798 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5799 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5800 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5801 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5802 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5803 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5804 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5805 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5806 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5807 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5808 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5809 (perfect_nestify): Use new iterator.
5810 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5812 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5813 (next_imm_name): New field in struct immediate_use_iterator_d.
5814 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5815 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5816 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5817 * tree-cfg.c (replace_uses_by): Use new iterator.
5818 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5819 * tree-ssa-operands.c (correct_use_link): Remove.
5820 (finalize_ssa_use_ops): No longer call correct_use_link.
5822 2006-04-27 Stuart Hastings <stuart@apple.com>
5824 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5825 * config/t-darwin (crt3.o): Use it.
5826 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5827 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5828 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5829 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5830 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5833 2006-04-27 Roger Sayle <roger@eyesopen.com>
5835 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5836 size, force the intermediate into a new pseudo rather instead of
5837 performing both a bitwise AND and a bitwise IOR in memory.
5839 2006-04-27 Richard Guenther <rguenther@suse.de>
5841 PR rtl-optimization/26685
5842 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5843 this one "max-flow-memory-locations".
5845 2006-04-27 Richard Guenther <rguenther@suse.de>
5847 PR tree-optimization/25148
5848 * tree-vrp.c (compare_values): Remove code dealing with
5849 comparisons against type min/max value. Honour overflow
5850 and negative constants in code dealing with comparisons
5851 of plus and minus expressions.
5852 (value_inside_range): Use fold_binary with LE_EXPR and
5853 GE_EXPR rather than compare_values.
5855 2006-04-27 Dirk Mueller <dmueller@suse.de>
5857 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5860 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5862 * basic-block.h (safe_insert_insn_on_edge): Removed.
5863 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5865 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5866 Paolo Bonzini <bonzini@gnu.org>
5869 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5870 (simplify_and_const_int): Same.
5872 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5874 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5876 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5879 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5880 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5881 cgraph_global_info_ready.
5884 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5887 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5888 either decl or init is error_mark_node.
5891 * tree-flow.h (struct omp_region): Add sched_kind.
5892 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5893 instead of extracting omp for data.
5894 (expand_omp_for): Save extracted sched_kind.
5896 2006-04-25 Roger Sayle <roger@eyesopen.com>
5898 * expmed.c (store_bit_field): Also check whether the bitsize is
5899 valid for the machine's "insv" instruction before moving the
5900 target into a pseudo for use with the insv.
5901 * config/i386/predicates.md (const8_operand): New predicate.
5902 * config/i386/i386.md (extv, extzv, insv): Use the new
5903 const8_operand predicate where appropriate.
5905 2006-04-25 DJ Delorie <dj@redhat.com>
5907 * doc/install.texi (Specific): Clarify that this is not a list of
5908 supported hosts or targets.
5910 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5912 PR rtl-optimization/26725
5913 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5914 block's BB_DIRTY flag.
5916 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5918 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5921 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5922 to print an integer.
5924 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5926 * varasm.c (align_variable): New function.
5927 (get_block_for_decl): Apply align_variable to DECL before
5928 calculating section information.
5929 (assemble_variable): Split out alignment computation.
5931 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5933 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5936 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5938 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5939 MODE_PARTIAL_INT mode.
5940 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5941 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5943 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5944 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5946 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5948 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5950 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5951 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5952 MACFLAG_IH): Likewise.
5953 (movstricthi_1): Renamed from "*movstricthi".
5954 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5955 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5956 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5957 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5958 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5959 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5960 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5961 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5962 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5963 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5964 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5965 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5966 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5967 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5968 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5970 * doc/rtl.texi (ss_ashift): Improve wording.
5972 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5974 * dwarf2out.c (verify_marks_clear): New.
5975 (prune_unused_types): Call verify_marks_clear initially, not
5978 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5980 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5981 * doc/rtl.texi: Document them.
5982 * simplify-rtx.c (simplify_unary_operation,
5983 simplify_binary_operation_1): Don't abort when we see them.
5985 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5988 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5989 * configure.ac: Completely disregard languages that are not
5991 * configure: Regenerated.
5993 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5994 Richard Guenther <rguenther@suse.de>
5996 PR tree-optimization/27236
5997 * tree-inline.c (copy_body_r): Make sure to copy
5998 TREE_THIS_VOLATILE flag.
6000 2006-04-24 Richard Guenther <rguenther@suse.de>
6003 * tree-complex.c (update_parameter_components): Don't handle
6004 unused parameters which have no default def.
6006 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6007 Richard Guenther <rguenther@suse.de>
6009 PR tree-optimization/27218
6010 * tree-inline.c (expand_call_inline): Strip useless type
6011 conversions for the return slot address.
6013 2006-04-24 Richard Guenther <rguenther@suse.de>
6015 * cfgloop.h (struct loops): Remove unused field array. Reorder
6017 (LOOP_PREFETCH): Remove.
6019 2006-04-24 Richard Guenther <rguenther@suse.de>
6021 PR tree-optimization/22525
6022 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6023 variable, adjust types of generated expressions.
6025 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6027 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6028 (tree-vect-patterns.o): Likewise.
6030 (cselib.o): Likewise.
6031 (loop-doloop.o): Likewise.
6032 (regclass.o): Likewise.
6033 (reload1.o): Likewise.
6034 (explow.o): Replace target.h with $(TARGET_H).
6035 (ipa-prop.o): Likewise.
6036 (ipa-cp.o): Likewise.
6037 (ipa-inline.o): Likewise.
6038 (reorg.o): Likewise.
6039 (reg-stack.o): Likewise.
6041 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6043 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6045 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6047 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6049 * configure.ac: Completely disregard languages that are not
6051 * configure: Regenerated.
6054 * c-common.h (c_build_bitfield_integer_type): Declare.
6055 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6056 * c-common.c (c_build_bitfield_integer_type): ... here.
6058 2006-04-23 Roger Sayle <roger@eyesopen.com>
6061 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6062 a SImode SUBREG of a floating point register after no_new_pseudos.
6064 2006-04-23 Roger Sayle <roger@eyesopen.com>
6066 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6067 identify potentially eliminable registers to additionally catch
6068 VIRTUAL_INCOMING_ARGS_REGNUM.
6069 (addsi3): Update the conditions on when to use addsi_small_int.
6071 2006-04-23 Roger Sayle <roger@eyesopen.com>
6074 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6075 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6076 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6078 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6080 * fold-const.c (range_predecessor): Use operand_equal_p
6081 as the predicate for equality.
6082 (range_successor): Likewise.
6084 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6087 * config/soft-fp/op-common.h: Fix a typo.
6089 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6092 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6093 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6095 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6097 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6099 * doc/tm.texi: Fix a typo.
6101 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6103 * dwarf2out.c (struct die_struct): Document that die_sib makes
6104 a circular linked list.
6105 (FOR_EACH_CHILD): New.
6106 (reverse_die_lists): Delete.
6107 (reverse_all_dies): Delete.
6108 (add_dwarf_attr): Correct documentation.
6109 (remove_child_with_prev): New.
6110 (remove_child_TAG): Update for change to die_struct, use
6111 remove_child_with_prev.
6112 (add_child_die): Update for change to die_struct.
6113 (splice_child_die): Use remove_child_with_prev and add_child_die.
6114 (print_die): Use FOR_EACH_CHILD.
6115 (die_checksum): Likewise.
6116 (assign_symbol_names): Likewise.
6117 (output_location_lists): Likewise.
6118 (build_abbrev_table): Likewise.
6119 (calc_die_sizes): Likewise.
6120 (mark_dies): Likewise.
6121 (unmark_dies): Likewise.
6122 (unmark_all_dies): Likewise.
6123 (output_die): Likewise.
6124 (prune_unused_types_mark): Likewise.
6125 (prune_unused_types_walk): Likewise.
6126 (same_die_p): Update for change to die_struct.
6127 (break_out_includes): Likewise.
6128 (prune_unused_types_prune): Likewise.
6129 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6130 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6132 (dwarf2out_finish): Don't call reverse_all_dies.
6134 2006-04-21 Eric Christopher <echristo@apple.com>
6136 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6137 in comments and function names.
6139 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6142 * c-typeck.c (digest_init): Robustify.
6144 * c-typeck.c (pop_init_level): Simplify.
6146 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6148 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6150 2006-04-21 Paul Brook <paul@codesourcery.com>
6152 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6153 hardware floating point.
6155 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6157 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6160 2006-04-21 Nick Clifton <nickc@redhat.com>
6162 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6165 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6168 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6169 C++ lang type in traceback table for Objective-C++.
6171 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6173 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6175 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6177 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6180 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6181 were errors. Remove check for erroneous objects.
6183 2006-04-20 Jeff Law <law@redhat.com>
6185 PR tree-optimization/26854
6186 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6187 checking for zero or one use.
6188 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6189 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6190 * tree-ssa-reassoc.c (negate_value): Similarly.
6191 (reassociate_bb): Similarly.
6193 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6195 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6196 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6197 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6199 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6201 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6202 fp regs if the last fp arg doesn't fit in regs.
6204 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6207 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6208 that the last insn has the REG_INC note.
6210 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6211 Nathan Sidwell <nathan@codesourcery.com>
6214 * stor-layout.c (update_alignment_for_field): Do not align
6216 (place_union_field): Place union field at the start of the union.
6217 (place_field): Move ERROR_MARK check later, and use the current
6218 allocation position to maintain monotonicity.
6220 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6222 * dominance.c: Include timevar.h.
6223 (calculate_dominance_info): Use TV_DOMINANCE.
6224 * timevar.def (TV_DOMINANCE): New timevar.
6225 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6227 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6229 PR rtl-optimization/14261
6230 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6231 move would be an INSV insn.
6232 (noce_process_if_block): Don't optimize if the destination is a
6233 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6235 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6237 * config/s390/s390.md: Add comments with the instructions emitted
6238 by an insn pattern if macros are used.
6240 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6242 PR rtl-optimization/26026
6243 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6244 is a known power of two shifted left a variable amount.
6246 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6248 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6249 to hash table twice when the debug_str section has SECTION_MERGE.
6251 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6253 * config/soft-fp: New directory. From glibc.
6254 * config/soft-fp/t-softfp: New.
6255 * config/soft-fp/README: New.
6256 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6257 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6258 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6259 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6260 * config.gcc: Use rs6000/t-fprules-fpbit or
6261 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6263 * config/rs6000/sfp-machine.h: New. Based on glibc.
6264 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6266 * config/rs6000/t-fprules: Remove fp-bit rules.
6267 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6268 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6269 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6270 (softfp_wrap_start, softfp_wrap_end): New.
6272 2006-04-18 DJ Delorie <dj@redhat.com>
6274 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6276 2006-04-18 Devang Patel <dpatel@apple.com>
6278 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6280 2006-04-18 Nick Clifton <nickc@redhat.com>
6282 * config/sh/t-symbian: Add rule to build sh-c.o
6283 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6284 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6285 (sh_symbian_encode_section_info): Likewise.
6287 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6289 * builtins.c (expand_builtin_strcmp): Cover label definition of
6290 do_libcall with HAVE_cmpstrnsi.
6292 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6294 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6296 * function.h (temp_slot_p): New.
6297 (function): Change the type of x_used_temp_slots to
6298 VEC(temp_slot_p,gc) *.
6300 2006-04-18 Nick Clifton <nickc@redhat.com>
6302 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6303 flag_strength_reduce.
6305 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6307 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6311 Partial revert of revision 112637
6312 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6313 Dale Johannesen <dalej@apple.com>
6316 * regclass.c (struct reg_pref): Update documentation.
6317 (regclass): Set prefclass to NO_REGS if memory is the best option.
6318 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6320 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6322 PR tree-optimization/26821
6323 * tree-ssa-math-opts.c (get_constant_one): New.
6324 (insert_reciprocals): Use it.
6326 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6328 * dwarf2out.c (free_AT): Delete.
6329 (remove_AT): Update string ref counts.
6330 (remove_child_TAG): Don't call free_die.
6332 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6333 or DW_TAG_GNU_EINCL.
6334 (prune_unused_types_walk_attribs): Reset string refcounts.
6335 (prune_unused_types_update_strings): New.
6336 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6337 call free_die. Do call prune_unused_types_update_strings.
6338 (prune_unused_types): Empty debug_str_hash.
6340 2006-04-17 Roger Sayle <roger@eyesopen.com>
6342 * expr.c (expand_assignment): Optimize away no-op moves where the
6343 source and destination are equal and have no side-effects.
6345 2006-04-17 Richard Guenther <rguenther@suse.de>
6348 * reload.c (push_reload): Guard calls to get_secondary_mem
6351 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6353 * alias.c (reg_base_value, old_reg_base_value): Change the
6354 type to VEC(rtx,gc) *.
6355 (REG_BASE_VALUE, find_base_value, record_set,
6356 init_alias_analysis): Use VEC instead of VARRAY.
6358 * alias.c (alias_sets): Change the type to
6359 VEC(alias_set_entry,gc) *.
6360 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6361 VEC instead of VARRAY.
6362 (last_alias_set): Remove.
6364 * cgraph.h (cgraph_edge_p): New.
6365 Update the prototype of cgraph_function_versioning.
6366 * cgraphunit.c (cgraph_copy_node_for_versioning,
6367 cgraph_function_versioning): Use VEC instead of VARRAY.
6368 * ipa-cp.c (ipcp_insert_stage): Likewise.
6370 2006-04-16 Roger Sayle <roger@eyesopen.com>
6373 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6374 "A op B" or "A op C", we may need to convert A to the type of B and C.
6376 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6378 * target.h (struct gcc_target): Add mode_rep_extended.
6379 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6380 (init_num_sign_bit_copies_in_rep): Initialize it using
6382 (truncate_to_mode): Use it.
6383 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6384 * targhooks.h (default_mode_rep_extended): Declare it.
6385 * targhooks.c (default_mode_rep_extended): Define it.
6386 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6387 default_mode_rep_extended.
6388 (TARGET_INITIALIZER): Include it.
6389 * doc/tm.texi (Misc): Document it.
6390 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6391 (mips_truncated_to_mode): New function.
6393 2006-04-16 Roger Sayle <roger@eyesopen.com>
6396 * expr.c (compress_float_constant): Copy the narrow constant into
6397 a new pseudo before extending it to its final width.
6399 2006-04-16 Roger Sayle <roger@eyesopen.com>
6400 Andrew Pinski <pinskia@gcc.gnu.org>
6401 Dale Johannesen <dalej@apple.com>
6404 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6405 special case code to implement V8HImode and V16QImode with SSE2.
6407 2006-04-15 Roger Sayle <roger@eyesopen.com>
6409 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6410 trees are constructed with a suitable tree type.
6412 2006-04-15 Roger Sayle <roger@eyesopen.com>
6414 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6415 (integer_onep): Likewise.
6416 (integer_all_onesp): Likewise.
6417 (integer_pow2p): Likewise.
6418 (integer_nonzerop): Likewise.
6419 (real_zerop): Likewise.
6420 (real_onep): Likewise.
6421 (real_twop): Likewise.
6422 (real_minus_onep): Likewise.
6423 (int_size_in_bytes): Likewise.
6424 (host_integerp): Likewise.
6426 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6428 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6429 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6430 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6432 * tree-ssa-structalias.h (alias_info): Remove num_references.
6434 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6436 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6437 (output_bvb patterns): Likewise.
6438 * pa.c (output_bb): Use 'bb' insn for long branch case.
6439 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6440 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6441 1. Correct length operand for alternatives 1 and 2.
6442 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6443 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6445 2006-04-14 Roger Sayle <roger@eyesopen.com>
6447 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6448 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6449 were accidentally reverted by r112959.
6451 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6454 * except.h (eh_region_outermost): New prototype.
6455 * except.c (eh_region_outermost): New function.
6456 * tree-cfg.c (find_outermost_region_in_block): Use it.
6458 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6460 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6462 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6463 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6464 (init_reload, reload): Use VEC instead of VARRAY.
6465 * reload.h: Update the prototype for
6466 reg_equiv_memory_loc_varray.
6468 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6469 Eric Botcazou <ebotcazou@libertysurf.fr>
6471 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6474 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6477 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6478 to expand fallback builtin function call.
6480 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6483 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6484 and emit libcall here in case the builtin fails.
6485 (expand_builtin_strcmp): Always emit the libcall here on failure.
6487 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6489 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6490 * flow.c (reg_n_info): Change the type to
6491 VEC(reg_info_p,heap) *.
6492 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6494 * regs.h (reg_info_p): New.
6495 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6496 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6497 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6500 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6502 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6504 * params.h (MAX_SCHED_READY_INSNS): New macro.
6505 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6506 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6507 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6508 the ready list for 1 cycle during the first scheduling pass.
6509 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6511 2006-04-13 Richard Henderson <rth@redhat.com>
6514 * gimple-low.c (lower_omp_directive): Remove dead code.
6515 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6516 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6517 * omp-low.c (struct omp_region): Move to tree-flow.h.
6518 (root_omp_region): Export.
6519 (omp_regions, lookup_omp_region): Remove.
6520 (determine_parallel_type): Update for struct omp_region changes.
6521 (dump_omp_region): Dump regions with block numbers.
6522 (new_omp_region): Take type and block instead of stmt; malloc
6524 (free_omp_region_1, free_omp_regions): New.
6525 (expand_parallel_call): Take entry_stmt as argument; update for
6526 changes to omp_region.
6527 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6528 (remove_exit_barriers): New.
6529 (expand_omp_parallel): Update for struct omp_region changes.
6530 (expand_omp_synch): Likewise.
6531 (expand_omp): Likewise.
6532 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6533 (expand_omp_for_static_chunk): Likewise.
6534 (expand_omp_for): Likewise.
6535 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6536 (expand_omp_sections): Similarly, with GOMP_sections_end.
6537 (expand_omp_single): New.
6538 (build_omp_regions_1): Update for OMP_CONTINUE.
6539 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6540 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6541 OMP_SECTIONS_SECTIONS.
6542 (lower_omp_single_simple): Don't emit barrier here.
6543 (lower_omp_single_copy): Likewise.
6544 (lower_omp_single): Fix bindings, and lower to straightline now.
6545 (lower_omp_master, lower_omp_ordered): Likewise.
6546 (lower_omp_critical): Likewise.
6547 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6548 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6549 omp edges, free it afterward.
6550 (make_omp_sections_edges): Remove.
6551 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6552 (move_stmt_r): Handle OMP_CONTINUE.
6553 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6554 statement pointers to basic blocks. Add type member.
6555 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6556 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6557 * tree-inline.c (estimate_num_insns_1): Likewise.
6558 * tree-pretty-print.c (dump_generic_node): Likewise.
6559 * tree-ssa-operands.c (get_expr_operands): Likewise.
6560 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6561 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6562 (OMP_CONTINUE): New.
6563 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6564 (OMP_SECTIONS_SECTIONS): Remove.
6565 (OMP_SECTION_LAST): New.
6566 (OMP_RETURN_NOWAIT): New.
6568 2006-04-13 Roger Sayle <roger@eyesopen.com>
6570 * fold-const.c (native_encode_vector, native_interpret_real):
6571 Correct obvious mistakes in the previous check-in.
6573 2006-04-13 Roger Sayle <roger@eyesopen.com>
6575 * fold-const.c (native_encode_expr): New function to encode
6576 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6577 or VECTOR_CST into a specified buffer.
6578 (native_encode_int): New function.
6579 (native_encode_real): New function.
6580 (native_encode_complex): New function.
6581 (native_encode_vector): New function.
6582 (native_interpret_expr): Inverse of native_encode_expr to convert
6583 a target representation into an INTEGER_CST, REAL_CST etc...
6584 (native_interpret_int): New function.
6585 (native_interpret_real): New function.
6586 (native_interpret_complex): New function.
6587 (native_interpret_vector): New function.
6588 (fold_view_convert_expr): New function to constant fold/evaluate
6589 a VIEW_CONVERT_EXPR of a suitable constant expression.
6590 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6591 Change call of build1 to fold_build1 when constructing a
6594 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6595 Ulrich Weigand <uweigand@de.ibm.com>
6598 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6601 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6604 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6605 optimize to lo_sum for DFmode if !TARGET_FPRS.
6607 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6609 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6610 delete_alias_info, compute_flow_sensitive_aliasing,
6611 group_aliases): Use VEC instead of VARRAY.
6612 * tree-ssa-structalias.c (update_alias_info): Likewise.
6613 * tree-ssa-structalias.h (alias_info): Change the type of
6614 processed_ptrs to VEC(tree,heap) *.
6616 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6619 * config/sh/lib1funcs.h: New file, broken out of:
6620 * config/sh/lib1funcs.asm.
6621 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6623 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6624 * config/sh/lib1funcs-Os-4-200.asm: New file.
6625 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6626 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6627 (EXTRA_MULTILIB_PARTS): Include it.
6628 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6629 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6630 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6631 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6634 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6636 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6637 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6638 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6640 * tree-ssa-live.h: Include vecprim.h.
6641 (tree_partition_associator_d): Change the type of
6642 first_partition to VEC(int,heap) *.
6643 (tpa_first_partition): Use VEC instead of VARRAY.
6645 * Makefile.in (GTFILES): Move functions.h after tree.h.
6646 * function.c (reset_block_changes, record_block_change,
6647 check_block_change, free_block_changes): Use VEC instead of
6649 * function.h (function): Change the type of
6650 ib_boundaries_block to VEC(tree,gc) *.
6651 * tree-inline.c (copy_cfg_body): Initialize
6652 ib_boundaries_block to NULL instead of (varray_type) 0.
6654 2006-04-12 Roger Sayle <roger@eyesopen.com>
6656 * expr.c (emit_group_store): Correct operand order in call to
6657 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6658 a SUBREG_BYTE of zero.
6660 2006-04-12 Richard Guenther <rguenther@suse.de>
6662 * profile.c (compute_branch_probabilities): Remove code
6663 encapsulated in !ir_type (), which are remanents of the
6664 removed RTL profiling code.
6665 * rtl-profile.c: Remove.
6667 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6669 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6670 magic NULL_RTX comment.
6671 (function_arg): Store entire fp arg to mem if any part should go
6673 (rs6000_arg_partial_bytes): Adjust for above change.
6675 2006-04-11 Roger Sayle <roger@eyesopen.com>
6677 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6678 if it hasn't been initialized by dwarf2out_init.
6680 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6682 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6683 symbolic constants in branch patterns.
6685 2006-04-11 Roger Sayle <roger@eyesopen.com>
6687 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6689 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6691 PR rtl-optimization/27073
6692 * gcse.c (try_replace_reg): Revert last change. Continue to search
6693 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6696 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6698 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6699 aggregate types other than record and union types.
6700 (function_arg): Likewise.
6701 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6703 (function_value): In 64-bit mode, return objects that require it
6706 2006-04-11 Roger Sayle <roger@eyesopen.com>
6708 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6710 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6712 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6714 2006-04-03 Jeff Law <law@redhat.com>
6717 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6718 alias information too.
6720 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6722 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6724 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6727 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6728 (premark_used_types_helper): New.
6729 (premark_used_types): New.
6730 (gen_subprogram_die): Call premark_used_types.
6731 (prune_unused_types_walk): Do not prune perennial dies.
6732 * function.c (used_types_insert): New.
6733 * function.h (struct function): Add used_types_hash field.
6734 (used_types_insert): Add prototype.
6735 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6736 * c-parser.c (c_parser_cast_expression): Save casted types in used
6739 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6742 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6743 rs6000_explicit_options.float_gprs.
6745 2006-04-10 Roger Sayle <roger@eyesopen.com>
6747 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6748 from ix86_expand_vector_init_low_nonzero. Take an additional
6749 one_var argument indicating which element is non-zero. Support
6750 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6751 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6752 with one_var instead of ix86_expand_vector_init_low_nonzero.
6754 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6756 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6757 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6758 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6759 build/genextract.o): Depend on vecprim.h.
6760 * cfglayout.c, df-problems.c, function.c, genextract.c,
6761 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6762 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6766 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6768 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6769 Declare VECs of this type.
6770 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6771 (remove_children): Delete.
6772 (add_dwarf_attr): Use VEC routines.
6773 (add_AT_flag): Update for changes to add_dwarf_attr.
6774 (add_AT_int): Likewise.
6775 (add_AT_unsigned): Likewise.
6776 (add_AT_long_long): Likewise.
6777 (add_AT_vec): Likewise.
6778 (add_AT_string): Likewise.
6779 (add_AT_die_ref): Likewise.
6780 (add_AT_fde_ref): Likewise.
6781 (add_AT_loc): Likewise.
6782 (add_AT_loc_list): Likewise.
6783 (add_AT_addr): Likewise.
6784 (add_AT_lbl_id): Likewise.
6785 (add_AT_lineptr): Likewise.
6786 (add_AT_macptr): Likewise.
6787 (add_AT_offset): Likewise.
6788 (add_AT_range_list): Likewise.
6789 (get_AT): Use VEC_iterate.
6790 (remove_AT): Use VEC_ordered_remove.
6791 (free_die): Fold remove_children into here; have it use VEC_iterate.
6792 (print_die): Use VEC_iterate on attrs.
6793 (reverse_die_lists): Don't reverse attr lists.
6794 (die_checksum): Use VEC_iterate on attrs.
6795 (same_die_p): Likewise.
6796 (output_location_lists): Likewise.
6797 (build_abbrev_table): Likewise.
6798 (size_of_die): Likewise.
6799 (unmark_all_dies): Likewise.
6800 (output_abbrev_section): Likewise.
6801 (output_die): Likewise.
6802 (prune_unused_types_walk_attribs): Likewise.
6804 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6806 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6808 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6811 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6813 2006-04-09 Roger Sayle <roger@eyesopen.com>
6815 * expr.c (store_constructor): Don't bother clearing target if
6816 we're about to assign a vector to it using vec_init_optab.
6818 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6820 * tree-ssa-alias.c (lhs_may_store_to): New function.
6821 (recalculate_used_alone): Handle LHS of calls.
6823 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6827 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6828 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6829 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6830 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6831 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6832 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6833 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6834 stubs. Add ".align 8" directives before all ".dword" directives.
6835 (GTHREAD_USE_WEAK): Revise comment.
6836 (TARGET_ATTRIBUTE_WEAK): Define.
6837 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6838 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6839 * stublib.c: New file.
6844 * pa.md (cbranch patterns): Revise arguments used in calls to
6845 output_cbranch, output_bb and output_bvd. Add long branch length
6847 (fbranch patterns): Handle long branches.
6848 (jump): Revise length check. Revise arguments for output_lbranch call.
6849 Add long branch length attributes.
6850 (decrement_and_branch_until_zero): Add long branch length attributes.
6851 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6852 Likewise. Revise arguments for output_parallel_addb and
6853 output_parallel_movb calls.
6854 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6855 output_parallel_movb and output_parallel_addb): Update prototypes.
6856 * pa.c (output_cbranch): Revise arguments. Correct handling of
6857 nullification in long branches.
6858 (output_lbranch): Add new argument to control extraction of delay
6860 (output_bb): Handle long branches.
6861 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6862 output_parallel_addb): Likewise.
6864 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6866 PR rtl-optimization/27073
6867 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6870 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6872 * tree.h (tree_memory_tag): Add old_used_alone.
6873 (SMT_OLD_USED_ALONE): New macro.
6874 * tree-ssa-alias.c (recalculate_used_alone): Stop
6875 marking things for renaming unnecessarily.
6877 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6879 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6880 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6881 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6882 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6883 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6884 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6885 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6886 spelling convensions.
6887 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6888 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6889 typos. Follow spelling conventions.
6891 2006-04-07 DJ Delorie <dj@redhat.com>
6893 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6894 passed on the stack.
6895 (m32c_init_cumulative_args): When a function returns a structure,
6896 always pass the pointer to that return area on the stack.
6897 (m32c_function_arg_advance): Don't increment the parameter number
6898 if we're processing the returned structure pointer.
6899 (pushm_info): Reverse order of registers.
6901 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6903 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6904 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6905 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6906 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6908 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6909 chrec_fold_multiply): Same.
6910 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6911 force_expr_to_var_cost): Same.
6912 * tree-mudflap.c (mf_xform_derefs_1): Same.
6913 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6915 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6917 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6918 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6921 2006-04-07 Jan Hubicka <jh@suse.cz>
6923 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6925 2006-04-07 Richard Guenther <rguenther@suse.de>
6927 PR tree-optimization/26135
6928 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6929 loads for store copy-prop.
6930 (copy_prop_visit_stmt): Likewise.
6932 2006-04-05 Robert Millan <robertmh@gnu.org>
6934 * config/i386/linux.h: Add a comment to mark macros that are
6935 being overriden in config/k*bsd-gnu.h.
6936 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6938 * config/knetbsd-gnu.h: Ditto.
6940 2006-04-06 Jan Hubicka <jh@suse.cz>
6944 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6947 2006-04-06 Mike Stump <mrs@apple.com>
6949 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6950 for HAVE_nonlocal_goto to be consistent.
6951 (expand_builtin_nonlocal_goto): Likewise.
6952 (expand_builtin_strcmp): Use #ifdef instead of #if
6953 for HAVE_cmpstrnsi to be consistent.
6955 2006-04-05 DJ Delorie <dj@redhat.com>
6957 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6960 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6962 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6963 got-relative addressing for anything but SImode.
6965 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6966 even if the calling function doesn't modify them.
6968 2006-04-05 Richard Guenther <rguenther@suse.de>
6970 PR tree-optimization/26919
6971 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6972 to cgraph_estimate_size_after_inlining.
6974 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6976 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6978 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6980 PR tree-optimization/26996
6981 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6982 VECTOR_TYPE variables.
6984 2006-04-05 Richard Guenther <rguenther@suse.de>
6986 PR tree-optimization/26763
6987 * fold-const.c (fold_comparison): Move folding of
6988 PTR + CST CMP PTR + CST ...
6989 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6991 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6993 * doc/install.texi (Prerequisites): Refine some wording on
6994 bootstrapping and ksh.
6995 Move the version numbers of DejaGnu here from the testing section
6996 and fix casing of names.
6997 Fix markup and clarify wording for autogen requirements.
6998 Refer to GCJ instead of just java.
6999 Refer to SVN instead of CVS.
7000 Describe diffutils as useful instead of necessary.
7001 (Downloading the source): Refer to SVN instead of CVS.
7002 Adjust a link to our web site accordingly.
7003 (Configuration): Fix casing of Bison.
7004 (Building): Refer to SVN instead of CVS.
7005 Fix a sentence on the use of Bison and remove duplicate (and
7006 incorrect) version number of Bison requirement.
7007 Remove one redundant list of packages needed for building.
7008 (Specific): Avoid reference to CVS.
7010 2006-04-04 Eric Christopher <echristo@apple.com>
7012 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7013 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7014 (rs6000_handle_struct_attribute): New.
7015 (rs6000_ms_bitfield_layout_p): Ditto.
7017 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7019 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7020 NULL for dso parameter to atexit_common.
7022 2006-04-04 Eric Christopher <echristo@apple.com>
7024 * config/i386/i386.c (machopic_output_stub): Output \t
7025 between instructions and operands.
7027 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7029 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7030 satisfies_constraint_[IL] to explicit tests on value.
7032 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7034 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7035 set_nb_iterations_in_loop): Use build_int_cst instead of
7037 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7038 build_int_cst instead of convert.
7040 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7042 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7043 new value 2 for incoming.
7044 * function.c (expand_function_start): Call struct_value_rtx
7046 * config/sparc/sparc.md: Comment updated_return.
7047 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7048 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7049 struct return if sparc_std_struct_return and incoming is 2.
7050 (print_operand): Do not adjust return if
7051 sparc_std_struct_return.
7053 2006-04-04 Roger Sayle <roger@eyesopen.com>
7055 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7056 convert in the middle-end.
7057 * expr.c (store_expr, store_constructor, get_inner_reference,
7058 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7060 * tree.c (build_range_type): Likewise.
7062 2006-04-04 Tom Tromey <tromey@redhat.com>
7064 * doc/install.texi (Prerequisites): Mention jar.
7066 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7068 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7071 2006-04-04 Matthias Klose <doko@debian.org>
7073 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7077 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7080 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7082 * doc/extend.texi (Function Attributes): Rewrite visibility
7083 attribute documentation.
7084 * doc/invoke.texi (C++ Dialect Options): Rewrite
7085 -fvisibility-inlines-hidden documentation to describe something
7086 entirely different, although in practise compatible.
7087 (Code Gen Options): Warn about system headers in -fvisibility=
7090 * doc/extend.texi (Other Builtins): Document that
7091 __builtin_nan is a compile-time constant only when its argument
7094 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7096 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7097 trying to remove TRUNCATE check if all bits outside the new mode
7098 are identical to the sign bit.
7100 2006-04-03 Jeff Law <law@redhat.com>
7102 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7103 and operand scanning in some common cases.
7105 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7106 Dale Johannesen <dalej@apple.com>
7109 * regclass.c (struct reg_pref): Update documentation.
7110 (regclass): Set prefclass to NO_REGS if memory is the best option.
7111 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7112 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7113 into account. For non-registers, equate an empty preferred
7114 reload class to a `!' in the constraint; move the if clause to
7115 do so after those that reject the insn.
7116 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7118 (find_dummy_reload): Likewise.
7119 * doc/tm.texi (Register Classes): Document what it means
7120 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7121 * config/i386/i386.c (ix86_preferred_reload_class): Force
7122 using SSE registers (and return NO_REGS for floating-point
7123 constants) if math is done with SSE.
7124 (ix86_preferred_output_reload_class): New.
7125 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7126 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7127 * config/i386/i386.md: Remove # register preferences.
7129 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7132 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7133 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7134 the type of nb_iter.
7135 (instantiate_parameters_1): Convert the operands before calling
7136 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7137 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7139 2006-04-02 Roger Sayle <roger@eyesopen.com>
7141 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7142 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7144 * dojump.c (do_jump): Likewise.
7145 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7146 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7147 gimplify_boolean_expr): Likewise.
7148 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7149 * varasm.c (array_size_for_constructor): Likewise.
7150 * tree-object-size.c (compute_object_offset): Likewise.
7152 2006-04-02 Roger Sayle <roger@eyesopen.com>
7155 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7156 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7158 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7160 PR tree-optimization/26939
7161 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7163 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7165 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7166 at_stmt. Convert the type of operands before calling
7167 build_polynomial_chrec.
7168 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7170 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7171 (instantiate_parameters_1): Convert the type of operands before calling
7172 build_polynomial_chrec.
7173 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7174 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7175 reset_evolution_in_loop): Insert asserts to check the types of the
7177 (chrec_type): Moved...
7178 (eq_evolutions_p): Use operand_equal_p.
7179 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7180 the types of the operands.
7181 (chrec_type): ...here.
7182 * tree-data-ref.c (create_data_ref): Convert the operands before
7183 calling chrec_replace_initial_condition.
7184 (same_access_functions, analyze_subscript_affine_affine,
7185 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7186 (compute_subscript_distance, analyze_ziv_subscript,
7187 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7188 analyze_miv_subscript): Convert the operands before calling
7189 chrec_fold_minus or chrec_fold_plus.
7191 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7193 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7194 the dependence_relations vector.
7195 (compute_data_dependences_for_loop): Adjust call to
7196 compute_all_dependences.
7198 2006-04-01 Roger Sayle <roger@eyesopen.com>
7199 Richard Henderson <rth@redhat.com>
7201 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7202 gimple_boolify on the condition before calling gimplify_expr.
7204 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7206 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7207 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7208 the frame size. Update to use the new macros.
7209 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7210 * config/xtensa/ieee754-df.S: Likewise.
7212 2006-03-31 Richard Henderson <rth@redhat.com>
7214 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7215 (make_edges): ... here. Control fallthru creation with a local
7216 variable. Do not play with fake edges.
7217 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7218 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7221 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7223 * dwarf2.h (DW64_CIE_ID): Define.
7224 * dwarf2out.c (DWARF_CIE_ID): Define.
7225 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7226 length header. Use DWARF_CIE_ID.
7227 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7228 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7230 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7232 * config/sh/linux-atomic.asm: New file.
7233 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7235 2006-03-31 DJ Delorie <dj@redhat.com>
7237 * config/m32c/cond.md: Set condition flags properly throughout.
7238 * config/m32c/minmax.md: Likewise.
7239 * config/m32c/prologue.md: Likewise.
7240 * config/m32c/bitops.md: Likewise.
7241 * config/m32c/muldiv.md: Likewise.
7242 * config/m32c/mov.md: Likewise.
7243 * config/m32c/addsub.md: Likewise.
7244 * config/m32c/m32c.md: Likewise.
7245 * config/m32c/jump.md: Likewise.
7246 * config/m32c/shift.md: Likewise.
7248 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7249 conditionally output the pattern for this.
7250 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7251 (m32c_compare_redundant): New.
7252 (m32c_output_compare): New.
7253 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7255 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7256 dest, not src. Allow other 4-byte modes.
7258 2006-03-30 Denis Chertykov <denisc@overta.ru>
7260 * doc/md.texi: Refer to avr/constraints.md instead of
7263 2006-03-30 Roger Sayle <roger@eyesopen.com>
7265 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7266 signed vs. unsigned comparison failures on some hosts.
7268 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7271 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7272 change to FLOAT_REGS.
7274 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7275 (rs6000_override_options): Use it.
7276 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7277 only for -mabi=spe/no-spe and -mabi=altivec.
7279 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7281 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7284 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7286 * Makefile.in: Rename docdir to gcc_docdir.
7288 2006-03-30 Roger Sayle <roger@eyesopen.com>
7291 * expr.c (emit_group_store): Optimize group stores into a pseudo
7292 register by using a paradoxical subreg to initialize the destination
7293 if the first or last member of the group specifies a "low part".
7295 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7298 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7299 * target.h (struct gcc_target.speculate_insn): Change type of the
7300 second parameter to 'int'.
7301 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7302 the second operand of the DEPS_LIST.
7303 (copy_DEPS_LIST_list): Update reference to the second operand of the
7305 * rtl.h (alloc_DEPS_LIST): Update signature.
7306 * sched-int.h (ds_t): Change typedef to 'int'.
7307 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7309 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7311 * haifa-sched.c (try_ready): Change condition to restore
7312 non-speculative pattern of the instruction.
7313 (process_insn_depend_be_in_spec): Code to keep probability of the
7314 speculative dependence non-decreasing.
7316 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7318 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7319 (single_move_for_movmem): ... this. Also change all uses.
7320 (bfin_expand_strmov): Renamed to...
7321 (bfin_expand_movmem): ... this. Also change all uses.
7322 * config/bfin/bfin.md (movstrsi): Renamed to...
7323 (movstrsi): ...this.
7325 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7327 PR tree-optimization/26830
7329 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7330 (copy_prop_visit_stmt): Remove write-only variable ann.
7331 (init_copy_prop): Check variable loop depth here. Do not simulate
7332 memory-tag and virtual operand PHIs except for store copy prop.
7334 2006-03-30 Richard Guenther <rguenther@suse.de>
7336 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7337 variants with double arguments.
7339 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7341 * genpreds.c (write_tm_constrs_h): Delete variable p.
7342 * genconditions.c (write_header): Add tm-constrs.h to included
7344 * genpeep.c (main): Add toplev.h to included headers.
7345 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7346 (build/genpeep.o): Add toplev.h dependency.
7347 * config/rs6000/constraints.md: Add "W" constraint.
7349 2006-03-29 Roger Sayle <roger@eyesopen.com>
7351 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7352 sizes by correctly testing whether the size fits a host integer.
7353 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7354 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7355 SImode range for the default sizetype and bitsizetype.
7357 2006-03-29 Roger Sayle <roger@eyesopen.com>
7359 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7360 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7361 quickly if the argument is already of the correct type.
7362 Call fold_build1 instead of build1. Tidy up blank lines.
7364 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7366 * genemit.c (main): Add tm-constrs.h to included headers.
7367 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7368 * genpeep.c (main): Add tm-constrs.h to included headers.
7369 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7370 (write_tm_constrs_h): this and write complete file.
7371 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7372 (write_insn_preds_c): Add tm-constrs.h to included headers.
7373 (gen_constrs): New variable.
7374 (parse_option): Parse "-c".
7375 (main): Invoke write_tm_constrs_h.
7376 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7377 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7378 (object_out_file): Add tm-constrs.h dependency.
7379 (insn-emit.o): Same.
7380 (insn-output.o): Same.
7381 (insn-peep.o): Same.
7382 (insn-preds.o): Same.
7383 (insn-recog.o): Same.
7384 (tm-constsr.h): New target.
7385 (s-constrs-h): New target.
7387 * config/rs6000/constraints.md: New file.
7388 * config/rs6000/rs6000.c: Include tm-constrs.h.
7389 (num_insn_constant_wide): Convert to satisfies_constraint.
7390 (rs6000_rtx_costs): Convert to satisfies_constraint.
7391 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7392 (CONST_OK_FOR_LETTER_P): Delete.
7393 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7394 (EXTRA_CONSTRAINT): Delete.
7395 (EXTRA_MEMORY_CONSTRAINT): Delete.
7396 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7397 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7398 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7399 satisfies_constraint.
7401 * config/i386/i386.c: Include tm-constrs.h.
7403 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7405 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7406 * tree-data-ref.c (find_data_references_in_loop,
7407 compute_data_dependences_for_loop): Use pointers to VEC.
7408 (analyze_all_data_dependences): Adjust calls.
7409 * tree-data-ref.h (find_data_references_in_loop,
7410 compute_data_dependences_for_loop): Adjust declarations.
7411 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7412 compute_data_dependences_for_loop.
7414 2006-03-29 Paul Brook <paul@codesourcery.com>
7416 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7419 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7421 PR tree-optimization/26859
7422 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7424 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7425 for the step after fold_convert.
7427 2006-03-29 Paul Brook <paul@codesourcery.com>
7429 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7430 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7432 2006-03-29 Paul Brook <paul@codesourcery.com>
7435 * targhooks.c (default_narrow_bitfield): New fuction.
7436 * targhooks.h (default_narrow_bitfield): add prototype.
7437 * target.h (gcc_target): Add narrow_volatile_bitfield.
7438 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7439 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7440 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7441 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7443 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7445 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7447 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7448 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7449 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7450 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7451 (s390_function_arg_float): Allow SDmode and DDmode values to be
7452 passed in floating point registers.
7453 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7454 check with SCALAR_FLOAT_MODE_P.
7455 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7457 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7459 PR tree-optimization/25985
7460 * tree-ssa-loop-niter.c (number_of_iterations_le,
7461 number_of_iterations_ne): Make comments more precise.
7462 (number_of_iterations_cond): Add only_exit argument. Use the
7463 fact that signed variables do not overflow only when only_exit
7465 (loop_only_exit_p): New.
7466 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7467 number_of_iterations_cond.
7469 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7471 PR tree-optimization/26643
7472 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7475 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7477 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7478 (divsi3_i4_int): Likewise.
7480 2006-03-28 Roger Sayle <roger@eyesopen.com>
7482 * expr.c (emit_group_store): Only create a new pseudo reg if the
7483 quantity it needs to hold isn't already a suitable pseudo.
7485 2006-03-28 Jeff Law <law@redhat.com>
7487 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7488 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7490 2006-03-28 Roger Sayle <roger@eyesopen.com>
7492 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7493 the equivalent ~X & Y, and the symmetry related transformations.
7494 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7495 ~X & Y, and symmetry related transforms.
7497 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7499 Revert my 2006-03-27 patches.
7501 2006-03-28 Roger Sayle <roger@eyesopen.com>
7503 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7504 ~(T1)X, when T1 and T2 are integer types of the same precision
7505 and (T2)X isn't an extension.
7507 2006-03-28 Jeff Law <law@redhat.com>
7509 PR tree-optimization/26796
7510 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7511 need EH edge cleanups rather than purging them immediately.
7512 (eliminate_degenerate_phis): Handle queued EH cleanups.
7514 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7516 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7519 2006-03-27 Roger Sayle <roger@eyesopen.com>
7522 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7523 cast BIT_NOT_EXPR operand to the correct type.
7525 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7527 * tree-loop-linear.c: Don't include varray.h.
7528 (gather_interchange_stats, try_interchange_loops,
7529 linear_transform_loops): Use VEC instead of VARRAY.
7530 * lambda-mat.c: Don't include varray.h.
7531 * tree-chrec.c: Same.
7532 * lambda-trans.c: Same.
7533 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7534 VEC instead of VARRAY.
7535 * tree-vectorizer.h: Idem.
7536 * tree-data-ref.c (dump_data_references,
7537 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7538 initialize_data_dependence_relation, finalize_ddr_dependent,
7539 compute_all_dependences, find_data_references_in_loop,
7540 compute_data_dependences_for_loop, analyze_all_data_dependences,
7541 free_dependence_relation, free_dependence_relations,
7542 free_data_refs): Idem.
7543 * tree-data-ref.h (data_reference_p, subscript_p): New.
7544 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7545 VEC instead of VARRAY.
7546 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7547 (find_data_references_in_loop, compute_data_dependences_for_loop,
7548 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7549 dump_data_dependence_relations, free_dependence_relations,
7550 free_data_refs): Adjust declaration.
7551 (lambda_transform_legal_p): Move declaration here...
7552 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7553 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7554 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7555 vect_analyze_data_refs): Use VEC instead of VARRAY.
7556 * lambda.h (lambda_transform_legal_p): ...from here.
7557 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7558 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7559 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7560 tree-chrec.o): Don't depend on VARRAY_H.
7562 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7564 * rtl.def (Copyright): Update date.
7565 (DEPS_LIST): Change type of the second operand to 'int'.
7566 * target.h (Copyright): Update date.
7567 (struct gcc_target.speculate_insn): Change type of the second parameter
7569 * lists.c (Copyright): Update date.
7570 (alloc_DEPS_LIST): Change signature. Update reference to the second
7571 operand of the DEPS_LIST.
7572 (copy_DEPS_LIST_list): Update reference to the second operand of the
7574 * rtl.h (Copyright): Update date.
7575 (alloc_DEPS_LIST): Update signature.
7576 * sched-int.h (Copyright): Update date.
7577 (ds_t): Change typedef to 'int'.
7578 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7580 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7582 * haifa-sched.c (Copyright): Update date.
7583 (try_ready): Change condition to restore non-speculative pattern
7585 (process_insn_depend_be_in_spec): Code to keep probability of the
7586 speculative dependence non-decreasing.
7588 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7590 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7591 shut up the compiler.
7593 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7595 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7596 to use lib prefix for target.
7597 ($(T)libic_invalidate_array_4-200.a): Likewise.
7598 ($(T)libic_invalidate_array_4a.a): Likewise.
7600 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7601 J"orn Rennecke <joern.rennecke@st.com>
7603 * superh.opt: New file.
7604 * sh.c (boardtype, osruntime): Remove.
7605 * superh.h (SUBTARGET_OPTIONS): Remove.
7606 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7608 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7609 arguments with ^ and/or [].
7611 * config.gcc (sh-*-*): Add quoting to account for quirk of
7613 Replace == with = in enable_incomplete_targets test.
7615 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7616 with MASK_LITTLE_ENDIAN.
7618 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7619 * config/sh/sh.opt: Added to some comments.
7620 * config/sh/superh.h: Removed some chaff.
7622 * config/sh/sh.opt: Add m4-[1234]00* options.
7623 * config/sh/sh.c (sh_handle_option): Likewise.
7624 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7625 (ic_invalidate_array_4-100.o): New rule.
7626 ($(T)libic_invalidate_array_4-100.a): Likewise.
7627 (ic_invalidate_array_4-200.o): Likewise.
7628 ($(T)libic_invalidate_array_4-200.a): Likewise.
7629 (ic_invalidate_array_4a.o): Likewise.
7630 ($(T)libic_invalidate_array_4a.a): Likewise.
7631 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7632 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7634 * config/sh/crt1.asm: Merged in profiling code.
7635 * config/sh/superh.h (STARTFILE_SPEC): Override.
7636 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7637 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7638 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7640 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7641 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7642 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7644 * sh.opt (mpretend-cmove): New option.
7645 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7646 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7647 (movsicc): Add TARGET_PRETEND_CMOVE code.
7649 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7651 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7652 s390_class_max_nregs): New function prototypes.
7653 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7654 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7655 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7656 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7658 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7660 * dwarf2out.c (add_location_or_const_value_attribute): Call
7661 tree_add_const_value_attribute if nothing else works.
7662 (reference_to_unused): New.
7663 (rtl_for_decl_init): Use reference_to_unused to decide whether
7664 to output an initializer.
7666 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7669 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7670 peephole removing spe frob_di_df_2.
7672 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7674 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7675 (subscript_dependence_tester_1): Declared.
7676 (print_dir_vectors, print_dist_vectors): New.
7677 (debug_data_dependence_relation): New.
7678 (dump_data_dependence_relation): Print more details.
7679 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7680 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7681 (save_dist_v, save_dir_v, add_outer_distances,
7682 build_classic_dist_vector_1): New.
7683 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7684 Don't test for lambda_vector_lexico_pos.
7685 (same_access_functions, add_multivariate_self_dist,
7686 add_other_self_distances, dir_from_dist): New.
7687 (build_classic_dir_vector): Replace implementation almost identical to
7688 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7690 (subscript_dependence_tester_1): New.
7691 (subscript_dependence_tester): Handle the lexicographically negative
7692 distance vectors by recomputing the dependence relation.
7693 (compute_affine_dependence): Remove parameter loop_nest_depth.
7694 (compute_self_dependence): Don't call compute_subscript_distance.
7695 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7696 Add a parameter for the loop_nest.
7697 (find_loop_nest_1, find_loop_nest): New.
7698 (compute_data_dependences_for_loop): Compute the loop nest, and give
7699 up if the nest is not well formed.
7700 * tree-data-ref.h (loop_p): New.
7701 (struct data_dependence_relation): Replace size_vect field with
7702 loop_nest, a vec of loops.
7703 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7704 (DDR_LOOP_NEST): New.
7705 (print_dir_vectors, print_dist_vectors,
7706 debug_data_dependence_relation): Declared.
7707 (index_in_loop_nest): New.
7708 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7709 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7712 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7714 * simplify-rtx.c (simplify_relational_operation): Call
7715 simplify_relational_operation_1 even if mode is VOIDmode.
7717 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7719 PR tree-optimization/26804
7720 * tree.h (DECL_CALL_CLOBBERED): New macro.
7721 (tree_decl_common): Add call_clobbered_flag.
7722 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7723 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7724 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7725 (mark_non_addressable): Ditto.
7726 * tree-ssa.c (verify_call_clobbered): New function.
7727 (verify_alias_info): Use it.
7728 * tree-pass.h (pass_reset_cc_flags): New prototype.
7729 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7730 (reset_cc_flags): New function.
7731 * passes.c (init_optimization_passes): Call reset_cc_flags after
7732 initializing referenced_vars.
7734 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7735 Roger Sayle <roger@eyesopen.com>
7738 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7739 to 1.0 for non-real operands. Implement A / A optimization for
7742 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7744 * config/i386/i386.c (size_cost): Correct the comment for
7745 cost of storing fp registers.
7746 (i386_cost): Likewise.
7747 (i486_cost): Likewise.
7748 (pentium_cost): Likewise.
7749 (pentiumpro_cost): Likewise.
7750 (k6_cost): Likewise.
7751 (athlon_cost): Likewise.
7752 (k8_cost): Likewise.
7753 (pentium4_cost): Likewise.
7754 (nocona_cost): Likewise.
7755 (generic64_cost): Likewise.
7756 (generic32_cost): Likewise.
7758 2006-03-24 Denis Chertykov <denisc@overta.ru>
7760 * config/avr/avr-protos.h (extra_constraint): Delete.
7761 (extra_constraint_Q): New declaration.
7762 * config/avr/constraints.md: New file.
7763 * config/avr/avr.md: Include it.
7764 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7765 (TMP_REGNO, ZERO_REGNO): Likewise.
7766 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7767 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7768 (extra_constraint): Delete.
7769 (extra_constraint_Q): Test for memory constraint 'Q'.
7770 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7771 (REG_CLASS_FROM_LETTER): Delete.
7772 (CONST_OK_FOR_LETTER_P): Delete.
7773 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7774 (EXTRA_CONSTRAINT): Delete.
7775 (TMP_REGNO): Delete.
7776 (ZERO_REGNO): Delete.
7778 2006-03-24 Jeff Law <law@redhat.com>
7780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7781 directly. Call mark_new_vars_to_rename slightly earlier.
7783 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7785 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7787 (gen_compile_unit_die): Use new language types for Objective-C and
7789 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7790 DW_LANG_C_plus_plus.
7793 * config/t-darwin (crt3.o): Work around bug 26840.
7794 * config/darwin-crt3.c: Rewrite.
7795 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7797 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7799 * doc/invoke.texi: Document -femit-class-debug-always
7800 * common.opt: Add -femit-class-debug-always.
7802 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7804 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7805 index and base register.
7806 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7807 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7808 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7809 REGNO_OK_FOR_INDEX_P.
7810 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7812 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7813 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7814 REG_OK_FOR_BASE_P): Definitions removed.
7816 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7819 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7820 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7821 set yet or weren't marked as local yet.
7823 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7825 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7828 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7830 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7831 (rs6000_legitimate_small_data_p): Delete.
7832 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7833 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7834 and make static. Add forward declaration. Update uses.
7835 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7836 of offsettable_memref_p.
7837 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7838 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7840 2006-03-24 Jeff Law <law@redhat.com>
7842 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7843 around bug in immediate-use iterator.
7845 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7848 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7849 or __LITTLE_ENDIAN__.
7851 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7853 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7854 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7855 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7856 * config/sh/sh.opt (mdiv=): Amend description.
7857 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7858 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7859 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7860 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7861 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7862 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7863 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7864 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7865 TARGET_DIVIDE_CALL_FP.
7867 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7869 * haifa-sched.c (choose_ready): Fix type of the local variable.
7870 Move local variables. Add comment.
7871 (check_reg_live): Change signature. Make callable from debugger.
7872 * sched-int.h (check_reg_live): Update signature.
7873 * sched-ebb.c (check_reg_live): Update parameters.
7874 * sched-rgn.c (check_reg_live): Ditto.
7875 (region_head_or_leaf_p): Check pointer before dereferencing.
7876 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7877 before reload on optimization levels below 1.
7879 2006-03-23 Richard Henderson <rth@redhat.com>
7881 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7885 * config/alpha/predicates.md (local_symbolic_operand): Reject
7888 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7891 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7892 expressions which have overflowed constants.
7894 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7896 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7898 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7900 * cfgloopmanip.c (create_loop_notes): Removed.
7901 * final.c (final_scan_insn): Do not handle loop notes.
7902 * jump.c (squeeze_notes): Ditto.
7903 * cfglayout.c (skip_insns_after_block,
7904 duplicate_insn_chain): Ditto.
7905 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7907 * cfgloop.h (create_loop_notes): Declaration removed.
7909 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7911 * varasm.c (output_constant_pool): Restore fnname and fndecl
7913 (assemble_start_function): Adjust call accordingly.
7914 (assemble_end_function): Likewise.
7916 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7919 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7922 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7924 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7927 * system.h (ICE_EXIT_CODE): New macro.
7928 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7929 (diagnostic_action_after_output): Likewise.
7930 * gcc.c (fatal_ice): New function.
7931 (execute): Use it instead of fatal.
7932 (fancy_abort): Likewise.
7933 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7935 2006-03-22 Jeff Law <law@redhat.com>
7937 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7938 iv_analyze_result returning false.
7940 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7942 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7944 2006-03-22 Richard Henderson <rth@redhat.com>
7947 * except.c (duplicate_eh_regions_0): New.
7948 (duplicate_eh_region_1): Duplicate the children of the node as
7949 well as the node itself. Link them up properly.
7950 (duplicate_eh_region_2): Merge into ...
7951 (duplicate_eh_regions): ... here. Take copy_region argument, and
7952 copy only a sub-tree if asked. Simplify copying and fixup.
7953 (eh_region_outer_p): New.
7954 * except.h (duplicate_eh_regions): Update decl.
7955 (eh_region_outer_p): Declare.
7956 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7957 (lower_omp_master): Likewise.
7958 (lower_omp_ordered): Likewise.
7959 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7960 (move_stmt_r): Use it to remap labels. Handle recursion vs
7961 remap_decls_p properly.
7962 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7963 (find_outermost_region_in_block): New.
7964 (new_label_mapper): New.
7965 (move_sese_region_to_fn): Copy eh information to the new function
7967 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7969 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7972 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7974 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7975 into shared libraries.
7977 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7979 * doc/md.texi: Refer to i386/constraints.md instead of
7981 * config/i386/constraints.md: New file, extracted from...
7982 * config/i386/predicates.md: ...here.
7983 * config/i386/i386.md: Include constraints.md.
7985 2006-03-21 Jason Merrill <jason@redhat.com>
7987 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7990 * expr.c (init_block_move_fn): Force default visibility.
7991 (init_block_clear_fn): Likewise.
7992 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7993 * targhooks.c (default_external_stack_protect_fail): Likewise.
7995 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7997 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7998 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7999 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8000 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8001 (loadgp): Use mips_current_loadgp_style.
8002 (loadgp_noshared): New pattern.
8003 (sibcall_internal): Use MIPS_CALL.
8004 (sibcall_value_internal): Likewise.
8005 (sibcall_value_multiple_internal): Likewise.
8006 (call_internal): Likewise.
8007 (call_value_internal): Likewise.
8008 (call_value_multiple_internal): Likewise.
8009 (call_split): Use MIPS_CALL and add an 'S' constraint.
8010 (call_value_split): Likewise.
8011 (call_value_multiple_split): Likewise.
8012 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8013 (-mshared): New option.
8014 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8015 (mips_current_loadgp_style): Declare.
8016 * config/mips/mips.c (mips_classify_symbol): Avoid using
8017 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8018 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8019 TARGET_ABSOLUTE_ABICALLS.
8020 (override_options): Adjust comments. Improve the warning that is
8021 issued when -mabicalls and -G are used together.
8022 (mips_file_start): Remove comment.
8023 (mips_current_loadgp_style): New function.
8024 (mips_gnu_local_gp): New variable.
8025 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8027 (mips_output_function_prologue): Use mips_current_laodgp_style.
8028 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8029 the cprestore instruction.
8030 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8031 live for TARGET_ABSOLUTE_ABICALLS.
8032 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8033 (ASM_SPEC): Pass down -mshared and -mno-shared.
8034 (MIPS_CALL): New macro.
8035 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8037 * doc/invoke.texi (-mabicalls): Update documentation.
8038 (-mshared): Document.
8040 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8042 * config/ia64/unwind-hpux.c: New file.
8043 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8045 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8048 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8050 2006-03-21 Jeff Law <law@redhat.com>
8052 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8053 type conversions of a VR_VARYING source to a wider type.
8055 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8057 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8058 tm_file on Solaris 10 and later.
8059 (sparc64-*-solaris2*): Likewise.
8060 (sparc-*-solaris2*): Likewise.
8061 * config/sol26.h: Rename to config/sol2-6.h.
8062 * config/sol2-10.h: New file.
8064 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8067 * tree-ssa-pre.c (create_component_ref_by_pieces):
8070 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8073 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8074 return it immediately.
8076 2006-03-21 Michael Matz <matz@suse.de>
8078 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8080 (remove_arc, add_arc): Update num_out_arcs member.
8081 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8083 (cache_presence): New function.
8084 (compare_states_for_equiv): New function.
8085 (state_is_differed): Don't take number of outargs, adjust callers.
8086 Use new invariant for speeding up.
8087 (init_equiv_class): Create initial classes based on sorted
8089 (partition_equiv_class): Don't track out_arcs_num.
8090 (evaluate_equiv_classes): Call cache_presence on all states and
8093 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8095 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8096 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8097 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8098 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8100 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8101 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8102 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8103 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8104 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8106 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8107 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8108 (REGNO_REG_CLASS): ARGP is in PREGS.
8109 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8111 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8112 to deal with those addresses.
8113 * addresses.h: New file.
8114 * caller-save.c: Include "addresses.h".
8115 (init_caller_save): Use new base_reg_class function.
8116 * rtl-factoring.c: Include "addresses.h".
8117 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8118 * recog.c: Include "addresses.h".
8119 (preprocess_constraints): Use new base_reg_class function.
8120 * regrename.c: Include "addresses.h".
8121 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8122 functions. Keep track of a new var INDEX_CODE to compute valid
8124 (replace_oldest_value_addr): Likewise.
8125 (replace_oldest_value_mem): Use base_reg_class.
8126 * reload.c: Include "addresses.h".
8127 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8128 (find_reloads): Use new base_reg_class function.
8129 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8130 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8131 all callers and prototype changed.
8132 * reload1.c: Include "addresses.h".
8133 (maybe_fix_stack_asms): Use base_reg_class.
8134 * regclass.c: Include "addresses.h".
8135 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8136 (init_reg_autoinc): Use new base_reg_class function.
8137 (record_reg_classes): Likewise.
8138 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8139 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8140 Use new args to compute necessary class.
8142 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8143 regrename.o, rtl-factoring.o): Update dependencies.
8144 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8145 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8146 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8147 REG_OK_FOR_INDEX_P): Delete documentation.
8149 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8151 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8152 from V7 to V9 for Solaris 7 and above.
8154 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8156 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8157 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8158 argument pointers may not alias any other storage.
8159 * common.opt: Define option -fargument-noalias-anything.
8160 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8161 alias semantics is specified by flag_argument_noalias > 2.
8163 2006-03-20 Jeff Law <law@redhat.com>
8165 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8166 (pass_phi_only_cprop): Declare.
8167 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8169 * tree-ssa-dom.c (degenerate_phi_result): New function.
8170 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8171 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8172 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8173 (eliminate_degenerate_phis): Likewise.
8174 (pass_phi_only_cprop): New pass descriptor.
8175 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8176 support code. Callers updated.
8177 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8178 (store_copy_prop): Likewise.
8179 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8181 2006-03-20 Jason Merrill <jason@redhat.com>
8184 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8185 (push_visibility, pop_visibility): Likewise.
8186 * c-pragma.h: Declare them.
8188 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8190 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8192 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8193 parameter and use get_ebb_head_tail.
8194 (sh_md_init_global): Adjust uses of find_regmode_weight.
8196 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8198 * function.h (struct function) <x_tail_recursion_reentry>:
8199 Rename to x_stack_check_probe_note.
8200 (tail_recursion_reentry): Rename to stack_check_probe_note.
8201 * function.c: Replace tail_recursion_reentry with
8202 stack_check_probe_note everywhere.
8203 (expand_function_start): Only emit a note for
8204 stack_check_probe_note with -fstack-protect.
8205 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8207 * emit-rtl.c (remove_unnecessary_notes): Remove.
8208 (pass_remove_unnecessary_notes): Remove.
8209 * rtl.h (remove_unnecessary_notes): Remove prototype.
8210 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8211 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8212 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8214 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8217 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8218 (valid_in_set): Handle ARRAY_REF.
8219 Change "if min_variant or VH" to asserts.
8220 (create_component_ref_by_pieces): Handle ARRAY_REF.
8221 (create_expression_by_pieces): Likewise.
8222 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8224 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8226 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8227 is operand of switch, not str[0].
8229 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8231 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8232 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8234 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8236 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8237 end of insn_extra_address_constraint declaration.
8239 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8241 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8242 (no-sum-in-toc): Same.
8243 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8245 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8246 NO_FP_IN_TOC for -fPIC instead of mask.
8248 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8249 (BOOT_LDFLAGS): Delete.
8251 * config/rs6000/t-aix52: Same.
8253 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8254 (stmsi[345678]_power): New.
8256 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8258 * config/ia64/ia64.opt: Add empty line to end of file.
8260 2006-03-17 Richard Guenther <rguenther@suse.de>
8263 * builtins.c (get_pointer_alignment): For component style references
8264 adjust alignment to the component type alignment. Make sure
8265 to adjust alignment for component access of constants.
8267 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8269 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8272 2006-03-17 Paul Brook <paul@codesourcery.com>
8274 * doc/install.texi: Docuemnt --with-mode.
8275 * config.gcc: Add --with-mode for arm*-*-*.
8276 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8278 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8280 * sh.c (max_labelno_before_reorg): New variable.
8281 (sh_reorg): Initialize it.
8282 (find_barrier): Check max_labelno_before_reorg before using
8283 label_to_alignment. Take length of explicit alignment insns
8284 into account. When seeing a UNSPECV_CONST_END, return it.
8286 * sh.c (fixup_mova): Set mode of affected label to QImode.
8287 (untangle_mova): New function.
8288 (find_barrier): Use it. Check mode of label before decrementing
8290 (sh_reorg): Likewise.
8291 Set mode of all insns back to VOIDmode.
8293 * sh.c (MOVA_LABELREF): New macro.
8294 (mova_p, fixup_mova, sh_reorg): Use it.
8295 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8296 ADDR_DIFF_VEC matches mova.
8298 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8300 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8301 with ATTRIBUTE_UNUSED.
8303 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8305 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8306 pointer, instead of assuming it is possible to derive the
8307 correct args size from a call insn.
8309 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8311 * rtl.h (CONST_INT_P): Define.
8312 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8313 instead of GET_CODE(x) == CONST_INT.
8314 (vax_rtx_costs): Likewise.
8315 (vax_output_int_move): Likewise.
8316 (vax_output_int_add): Likewise.
8317 (legitimate_constant_address_p): Likewise.
8318 (index_term_p): Likewise.
8319 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8320 * config/vax/vax.md (and<mode>3): Likewise.
8321 (ashrsi3): Likewise.
8323 (movstricthi): Likewise.
8324 (movstrictqi): Likewise.
8325 (rotrsi3): Likewise.
8326 (five unnamed insns): Likewise.
8328 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8330 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8331 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8332 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8333 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8334 Pass to ASM_OUTPUT_DWARF_OFFSET.
8335 * dwarf2out.c (debug_frame_section): New.
8336 (output_call_frame_info): Use debug_frame_section. Pass it to
8337 dw2_asm_output_offset.
8338 (output_die): Pass appropriate section to dw2_asm_output_offset.
8339 (output_compilation_unit_header): Likewise.
8340 (output_pubnames): Likewise.
8341 (output_aranges): Likewise.
8342 (enum dw_val_class): Break dw_val_class_lbl_offset into
8343 dw_val_class_lineptr and dw_val_class_macptr.
8344 (add_AT_lbl_offset): Delete.
8345 (add_AT_lineptr): New.
8346 (add_AT_macptr): New.
8347 (AT_lbl): Expect a lineptr or macptr.
8348 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8349 (attr_checksum): Likewise.
8350 (same_dw_val_p): Likewise.
8351 (size_of_die): Likewise.
8352 (value_format): Likewise.
8353 (output_die): Likewise.
8354 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8356 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8357 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8358 * config/darwin-protos.h (darwin_file_start): New.
8359 (darwin_asm_output_dwarf_offset): New.
8360 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8361 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8363 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8364 if not EH section; simplify.
8365 (darwin_file_start): New.
8366 (darwin_asm_output_dwarf_offset): New.
8367 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8369 (DEBUG_INFO_SECTION): Likewise.
8370 (DEBUG_ABBREV_SECTION): Likewise.
8371 (DEBUG_ARANGES_SECTION): Likewise.
8372 (DEBUG_MACINFO_SECTION): Likewise.
8373 (DEBUG_LINE_SECTION): Likewise.
8374 (DEBUG_LOC_SECTION): Likewise.
8375 (DEBUG_PUBNAMES_SECTION): Likewise.
8376 (DEBUG_STR_SECTION): Likewise.
8377 (DEBUG_RANGES_SECTION): Likewise.
8378 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8379 (ASM_OUTPUT_DWARF_OFFSET): New.
8381 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8383 * config.gcc (tm_defines): Always add to previous value rather
8386 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8388 * config/mips/predicates.md (splittable_const_int_operand): New,
8389 split from move_operand.
8390 (splittable_symbolic_operand): New.
8391 (move_operand): Add commentary. Use splittable_const_int_operand.
8392 Inline mips_atomic_symbolic_constant_p.
8393 * config/mips/mips.md: Add combine splitters for handling moves
8394 of splittable_const_int_operands and splittable_symbolic_operands.
8395 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8396 (mips_split_symbol): Declare.
8397 (mips_move_integer): Declare.
8398 * config/mips/mips.c (mips_split_p): Make global.
8399 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8400 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8401 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8402 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8403 (mips_offset_within_object_p): Handle block symbols.
8404 (mips_atomic_symbolic_constant_p): Delete.
8405 (mips_cannot_force_const_mem): Return false for constants that
8406 mips_legitimize_move can handle.
8407 (mips_use_blocks_for_constant_p): New function.
8408 (mips_split_symbol): Make global.
8409 (mips_move_integer): Likewise. Add a temporary register argument.
8410 (mips_legitimize_const_move): Use splittable_const_int_operand and
8411 splittable_symbolic_operand.
8412 (mips_use_anchors_for_symbol_p): New function.
8413 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8414 (mips_split_p): Declare.
8416 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8418 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8419 (mips*-*-linux*): Likewise.
8421 2006-03-16 Roger Sayle <roger@eyesopen.com>
8422 Daniel Speyer <dspeyer@wam.umd.edu>
8425 * tree-dump.c (dump_real): New function.
8426 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8427 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8428 (tree-dump.o): Add $(REAL_H) to the dependencies.
8430 2006-03-16 Roger Sayle <roger@eyesopen.com>
8433 * real.c (real_from_string): If the mantissa is zero, don't bother
8434 parsing the exponent as the result should always be zero.
8436 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8438 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8440 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8442 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8443 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8444 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8445 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8446 ia64_sched_finish_global): New static functions to implement
8447 hooks from gcc_target.sched.
8448 (spec_check_no, max_uid, pending_data_specs): New static variables.
8449 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8450 ia64_spec_check_src_p): New static functions.
8451 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8452 (TARGET_SCHED_ADJUST_COST): Removed.
8453 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8454 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8455 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8456 TARGET_SCHED_GEN_CHECK,
8457 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8458 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8459 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8460 Fixed to handle speculation checks.
8461 (rtx_needs_barrier): Fixed to handle speculative loads and
8463 (ia64_variable_issue): Added code to count speculative loads and their
8465 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8467 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8469 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8471 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8472 (ia64_reorg): Reset stops_p to NULL after it is freed.
8473 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8474 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8475 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8477 (data_speculative, control_speculative, check_load): New attributes.
8478 (mov<mode>_advanced, mov<mode>_speculative,
8479 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8480 zero_extend<mode>di2_speculative,
8481 zero_extend<mode>di2_speculative_advanced): New patterns for
8482 data and control speculative loads.
8483 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8485 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8486 New pattern for data and control speculation checks.
8487 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8488 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8489 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8490 Auxiliary definitions for the patterns.
8491 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8492 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8494 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8496 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8497 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8498 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8499 New resource constraints.
8500 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8502 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8503 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8504 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8505 msched-in-control-spec, msched-ldc, msched-control-ldc,
8506 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8507 msched-prefer-non-control-spec-insns,
8508 msched-count-spec-in-critical-path): New flags to tune speculative
8510 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8511 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8512 msched-in-control-spec, msched-ldc, msched-control-ldc,
8513 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8514 msched-prefer-non-control-spec-insns,
8515 msched-count-spec-in-critical-path): Document new flags.
8517 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8519 * target.h (struct spec_info_def): New opaque declaration.
8520 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8521 speculate_insn, needs_block_p, gen_check,
8522 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8523 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8524 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8525 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8526 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8527 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8529 (TARGET_SCHED): Use new macros.
8530 * rtl.h (copy_DEPS_LIST_list): New prototype.
8531 * sched-int.h (struct sched_info): Change signature of new_ready field,
8532 adjust all initializations. New fields: add_remove_insn,
8533 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8534 region_head_or_leaf_p.
8535 (struct spec_info_def): New structure declaration.
8536 (spec_info_t): New typedef.
8537 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8538 recovery_block, orig_pat.
8539 (glat_start, glat_end): New variables declaraions.
8540 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8542 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8543 DETACH_LIFE_INFO, USE_GLAT.
8544 (enum SPEC_SCHED_FLAGS): New enumeration.
8545 (NOTE_NOTE_BB_P): New macro.
8546 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8547 attach_life_info, debug_spec_status, check_reg_live): New functions.
8548 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8549 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8551 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8552 * ddg.c (get_block_head_tail): Adjust all uses.
8553 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8554 (sms_sched_info): Initialize new fields.
8555 (contributes_to_priority): Removed.
8556 * haifa-sched.c (params.h): New include.
8557 (get_block_head_tail): Adjust all uses.
8558 (ISSUE_POINTS): New macro.
8559 (glat_start, glat_end): New global variables.
8560 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8561 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8562 old_last_basic_block, before_recovery, current_sched_info_var,
8563 rgn_n_insns, luid): New static variables.
8564 (insn_cost1): New function. Move logic from insn_cost to here.
8565 (find_insn_reg_weight1): New function. Move logic from
8566 find_insn_reg_weight to here.
8567 (reemit_notes, move_insn, max_issue): Change signature.
8568 (move_insn1): Removed.
8569 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8570 extend_bb): New static functions to support extension of scheduler's
8572 (generate_recovery_code, process_insn_depend_be_in_spec,
8573 begin_speculative_block, add_to_speculative_block,
8574 init_before_recovery, create_recovery_block, create_check_block_twin,
8575 fix_recovery_deps): New static functions to support
8576 generation of recovery code.
8577 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8578 restore_bb_notes, move_block_after_check, move_succs): New static
8579 functions to support ebb scheduling.
8580 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8581 functions to support handling of register live information.
8582 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8583 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8584 add_jump_dependencies): New static functions.
8585 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8586 consistancy checking.
8587 (debug_spec_status): New function to call from debugger.
8588 (priority): Added code to handle speculation checks.
8589 (rank_for_schedule): Added code to distinguish speculative instructions.
8590 (schedule_insn): Added code to handle speculation checks.
8591 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8592 Fixed to handle ebbs.
8593 (move_insn): Added code to handle ebb scheduling.
8594 (max_issue): Added code to use ISSUE_POINTS of instructions.
8595 (choose_ready): Added code to choose between speculative and
8596 non-speculative instructions.
8597 (schedule_block): Added code to handle ebb scheduling and scheduling of
8598 speculative instructions.
8599 (sched_init): Initialize new variables.
8600 (sched_finish): Free new variables. Print statistics.
8601 (try_ready): Added code to handle speculative instructions.
8602 * lists.c (copy_DEPS_LIST_list): New function.
8603 * sched-deps.c (extend_dependency_caches): New function. Move logic
8604 from create_dependency_caches to here.
8605 (get_dep_weak, ds_merge): Make global.
8606 * genattr.c (main): Code to output prototype for
8607 dfa_clear_single_insn_cache.
8608 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8609 (output_dfa_clean_insn_cache_func): Code to output
8610 dfa_clear_single_insn_cache function.
8611 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8613 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8615 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8616 New static variables.
8617 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8618 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8620 (ebb_sched_info): Initialize new fields.
8621 (get_block_head_tail): Adjust all uses.
8622 (compute_jump_reg_dependencies): Fixed to use glat_start.
8623 (schedule_ebb): Code to remove unreachable last block.
8624 (schedule_ebbs): Added code to update register live information.
8625 * sched-rgn.c (region_sched_info): Initialize new fields.
8626 (get_block_head_tail): Adjust all uses.
8627 (last_was_jump): Removed. Adjust users.
8628 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8629 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8630 Implement new hooks.
8631 (check_dead_notes1): New static function.
8632 (struct region): New fields: dont_calc_deps, has_real_ebb.
8633 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8634 (BB_TO_BLOCK): Fixed to handle EBBs.
8635 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8636 (ebb_head): New static variable.
8637 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8638 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8640 (compute_dom_prob_ps): New assertion.
8641 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8642 global_live_at_start.
8643 (init_ready_list): New assertions.
8644 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8645 (new_ready): Add support for BEGIN_CONTROL speculation.
8646 (schedule_insns): Fixed code that updates register live information
8648 (schedule_region): Fixed to handle EBBs.
8649 (init_regions): Use extend_regions and check_dead_notes1.
8650 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8651 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8652 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8653 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8654 TARGET_SCHED_GEN_CHECK,
8655 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8656 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8657 * doc/invoke.texi (max-sched-insn-conflict-delay,
8658 sched-spec-prob-cutoff): Document.
8660 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8662 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8663 inter_tick, queue_index.
8664 (struct sched_info): Change signature of init_ready_list field.
8665 Adjust all initializations.
8666 (RESOLVED_DEPS): New access macro.
8667 (ready_add): Remove prototype.
8668 (try_ready): Add prototype.
8669 * sched-rgn.c (init_ready_list): Use try_ready.
8670 (schedule_region): Initialize
8671 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8672 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8673 (init_ready_list): Use try_ready.
8674 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8675 * lists.c (remove_list_elem): Remove `static'.
8676 (remove_free_INSN_LIST_elem): New function.
8677 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8678 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8679 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8681 (readyp): New variable.
8682 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8683 change_queue_index, resolve_dep): New static functions.
8684 (try_ready): New function. Adjust callers in sched-rgn.c and
8685 sched-ebb.c to use it instead of ready_add.
8686 (clock_var): Move at the begining of file.
8687 (rank_for_schedule): Fix typo.
8688 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8689 (ready_lastpos): Enforce assertion.
8690 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8692 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8693 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8694 (queue_to_ready): Use free_INSN_LIST_list.
8695 (early_queue_to_ready): Fix typo.
8696 (schedule_block): Init readyp. Move init_ready_list call after the
8697 initialization of clock_var. Fix error in rejecting insn by
8698 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8699 that previously corrected INSN_TICKs. Add code for handling
8701 (set_priorities): Fix typo.
8702 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8703 Clarify comment and code that keeps current_sched_info->next_tail
8706 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8708 * sched-rgn.c (extend_rgns): New static function.
8709 (find_rgns): Use it.
8710 (gather_region_statistics, print_region_statistics): New static
8712 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8713 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8715 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8716 Andrey Belevantsev <abel@ispras.ru>
8718 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8719 * lists.c (unused_deps_list): New variable.
8720 (free_list): Add assertions to verify the proper distinguishing
8721 between INSN_LISTs and DEPS_LISTs.
8722 (find_list_elem, remove_list_elem, remove_list_node): New static
8724 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8725 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8726 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8727 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8729 (free_INSN_LIST_node): Likewise.
8730 * modulo-sched.c (current_sched_info): Initialize flags field.
8731 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8732 * rtl.def (DEPS_LIST): Define.
8733 * rtl.h: Declare new functions from lists.c.
8734 * sched-deps.c (spec_dependency_cache): New static variable.
8735 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8736 (add_dependence): Change return type to void. Move the logic to ...
8737 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8738 (delete_all_dependences): Add comment about forward_dependency_cache.
8739 Handle spec_dependency_cache. Handle DEPS_LISTs.
8740 (fixup_sched_groups): Clarify the change of priority of output
8741 and anti dependencies.
8742 (sched_analyze_2): Adjust add_dependence calls to create data
8743 speculative dependence.
8744 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8745 Adjust all callers. Handle DEPS_LISTS.
8746 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8747 presence of speculation.
8748 (init_dependency_caches, free_dependency_caches):
8749 Handle spec_dependency_cache.
8750 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8751 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8752 New static functions.
8753 (add_or_update_back_dep, add_or_update_back_forw_dep,
8754 add_back_forw_dep, delete_back_forw_dep): New functions.
8755 * sched-int.h (ds_t, dw_t): New typedefs.
8756 (struct sched_info): Add new field flags.
8757 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8758 Prototype new sched-deps.c functions.
8759 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8760 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8761 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8762 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8763 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8764 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8766 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8768 * sched-rgn.c (current_sched_info): Initialize flags field.
8769 (schedule_insns): Initialize current_sched_info before the sched_init
8771 * sched-ebb.c (current_sched_info): Initialize flags field.
8772 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8773 Call add_or_update_back_dep instead of add_dependence.
8774 Create control speculative dependencies.
8775 (schedule_insns): Initialize current_sched_info before the sched_init
8778 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8780 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8782 (sh_fallback_frame_state): Likewise.
8784 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8786 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8787 Do switch on default_use_cxa_atexit.
8788 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8789 * config/darwin-crt3.o: New.
8790 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8791 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8792 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8794 * config/rs6000/t-darwin: Move crt2.o building to here.
8795 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8796 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8799 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8801 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8802 from '! xxx' to '!xxx' for coding-style conformance.
8803 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8804 (EXTRA_CONSTRAINT): Likewise.
8805 * config/vax/vax.md (four unnamed insns): Likewise.
8807 2006-03-15 Paul Brook <paul@codesourcery.com>
8809 * config/arm/arm.c (minipool_pad): New.
8810 (add_minipool_forward_ref): Include pool alignment padding in address
8812 (push_minipool_fix): Set minipool_pad.
8813 (minipool_pad): Ditto.
8815 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8817 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8818 instead of GET_CODE() == MEM and REG_P() instead of
8820 (print_operand_address): Likewise.
8821 (vax_address_cost): Likewise.
8822 (vax_rtx_costs): Likewise.
8823 (vax_notice_update_cc): Likewise.
8824 (vax_output_int_add): Likewise.
8825 (INDEX_REGISTER_P): Likewise.
8826 (BASE_REGISTER_P): Likewise.
8827 (nonindexed_address_p): Likewise.
8828 (vax_mode_dependent_address_p): Likewise.
8829 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8830 (PRINT_OPERAND): Likewise.
8831 * config/vax/vax.md (ashlsi3): Likewise.
8832 (ashlsi3): Likewise.
8833 (some more unnamed insns): Likewise.
8835 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8837 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8838 iterator-style macro.
8839 (mark_control_dependent_edges_necessary): Update the use of
8840 EXECUTE_IF_CONTROL_DEPENDENT.
8842 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8844 * config/sh/predicates.md (cache_address_operand): Special.
8845 (ua_address_operand): Likewise.
8847 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8849 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8851 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8853 2006-03-15 Andreas Schwab <schwab@suse.de>
8855 * gensupport.c (identify_predicable_attribute): Don't free p_false
8856 when it is still in use.
8858 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8860 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8861 the default setting here.
8863 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8865 * tree-pass.h (pass_cfg): Remove.
8866 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8867 * passes.c (pass_cfg): Don't run it.
8869 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8871 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8872 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8874 (stack_regs_mentioned): Update the uses of
8875 stack_regs_mentioned_data. Don't access the array beyond its
8877 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8878 Don't include gt-reg-stack.h.
8880 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8881 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8883 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8886 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8889 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8891 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8893 2006-03-14 Richard Guenther <rguenther@suse.de>
8895 PR tree-optimization/26672
8896 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8899 2006-03-14 Richard Guenther <rguenther@suse.de>
8901 PR tree-optimization/26667
8902 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8903 node for the callees. Always allow inlining if it will shrink
8906 2006-03-14 Richard Guenther <rguenther@suse.de>
8909 * builtins.c (get_pointer_alignment): Prefer alignment
8910 information from decls over that from types.
8912 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8915 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8917 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8919 * config/rs6000/rs6000.opt (mdlmzb): New option.
8920 (msched-prolog, msched-epilog): Use Var not Mask.
8921 * doc/invoke.texi (-mdlmzb): Document.
8922 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8924 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8925 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8927 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8929 PR rtl-optimization/25739
8930 * bt-load.c (augment_live_range): Free tos pointer.
8932 * gensupport.c (identify_predicable_attribute): Free
8934 * gcov.c (create_file_names): Free name pointer.
8936 2006-03-13 Roger Sayle <roger@eyesopen.com>
8939 * stmt.c (emit_case_nodes): Handle the case where the index is a
8940 CONST_INT, where the comparison mode is specified by the index type.
8942 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8944 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8947 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8949 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8950 (*branch_fp_inverted): Likewise.
8952 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8955 * omp-low.c (expand_omp_for_generic): Mark istart0
8956 and iend0 as addressable.
8958 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8960 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8962 2006-03-13 Jeff Law <law@redhat.com>
8964 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8965 virtual operands are interesting.
8966 (vrp_visit_stmt): Corresponding changes.
8968 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8970 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8972 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8973 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8974 * config/bfin/crti.S: Use it instead of __PIC__.
8975 * config/bfin/crtn.S: Likewise.
8977 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8978 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8980 Lose 'G' modifier for call operand.
8981 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8982 recognize 'G' modifier.
8984 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8987 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8988 * stmt.c (expand_case): Likewise.
8990 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8992 PR rtl-optimization/26254
8993 * loop-invariant.c (seq_insns_valid_p): New function.
8994 (move_invariant_reg): Only emit new code if it is valid.
8996 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8998 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9000 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9001 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9002 (commit_one_edge_insertion): Do not look for loop notes.
9004 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9006 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9007 flag_test_coverage out of loop.
9009 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9011 * final.c (shorten_branches): Remove outdated comment, and turn
9012 the if branch that guards it to continue.
9014 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9016 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9017 * cfgloop.h (struct loop): Remove unused fields.
9019 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9021 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9022 (-dL, -fdump-rtl-loop2): Update the dump file names
9024 * doc/invoke.texi: Update dump file names.
9026 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9028 * predict.c (estimate_probability): Remove.
9029 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9030 * basic-block.h (estimate_probability): Remove prototype.
9031 * passes.c (finish_optimization_passes): Dump branch prediction or
9032 profiling heuristics to the .profile tree dump.
9033 (init_optimization_passes): Unqueue pass_branch_prob.
9035 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9037 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9039 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9040 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9042 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9044 * function.h (frame_offset_overflow): Declare.
9045 * function.c (frame_offset_overflow): New function.
9046 (assign_stack_local_1): Call it to detect that the offset overflows.
9047 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9049 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9051 * config/sh/sh.c: Include alloc-pool.h.
9052 (label_ref_list_pool): New alloc pool.
9053 (label_ref_list_t): New type for lists of labels.
9054 (struct pool_node): Make wend a label_ref_list_t.
9055 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9057 (dump_table): Likewise.
9058 (sh_reorg): Set up the alloc pool before using add_constant and
9059 dump_table, and destroy it when finishing.
9061 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9063 * config/mips/mips.c: Remove redundant comment.
9065 2006-03-10 Jason Merrill <jason@redhat.com>
9068 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9069 the target was declared 'register'.
9071 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9073 * genpreds.c (write_insn_constraint_len): Change definition of
9074 insn_constraint_len to return size_t to match the declaration.
9076 2006-03-10 DJ Delorie <dj@redhat.com>
9078 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9080 (m32c_expand_insv): Fix test for an AND mask.
9082 2006-03-10 Richard Guenther <rguenther@suse.de>
9085 * builtins.c (get_pointer_alignment): Handle component
9086 references for field alignment.
9088 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9090 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9091 when building with libgloss.
9092 (sh*elf): Implement --without-fp option.
9093 (sh64-superh-linux*): Don't multilib.
9095 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9097 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9099 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9101 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9102 Set it when one of the replacement functions returned true.
9103 Return TODO_cleanup_cfg if cfgchanged is true.
9104 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9106 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9108 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9109 instead of gen_lowpart.
9111 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9113 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9115 (mips_output_order_conditional_branch): Declare.
9116 * config/mips/mips.h (MIPS_BRANCH): New macro.
9117 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9118 for the comparison. Use gen_condjump.
9119 (mips_output_conditional_branch): Rework interface to take the
9120 asm templates for a direct branch and the inverse of a direct branch.
9121 (mips_output_order_conditional_branch): New function.
9122 (mips_builtin_branch_and_move): New function.
9123 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9124 branch condition. Use gen_single_cc as the condition for
9125 __builtin_mips_upper_* or __builtin_mips_lower_*.
9126 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9127 Use VOIDmode for the branch condition.
9128 * config/mips/predicates.md (order_operator): New predicate.
9129 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9130 (branch_fp): Rename to...
9131 (*branch_fp): ...this. Remove mode from comparison operator.
9132 Use new mips_output_conditional_branch interface.
9133 (branch_fp_inverted): Rename to...
9134 (*branch_fp_inverted): ...this and update as for *branch_fp.
9135 (*branch_zero<mode>): Rename to...
9136 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9137 Use mips_output_order_conditional_branch. Only accept ordered
9139 (*branch_zero<mode>_inverted): Rename to...
9140 (*branch_order<mode>_inverted): ...this and update as for
9141 *branch_order<mode>.
9142 (*branch_equality<mode>): Accept zero as the second operand to
9143 the equality operator. Use the new mips_output_conditional_branch
9145 (*branch_equality<mode>_inverted): Likewise.
9146 (condjump): New expander.
9147 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9149 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9150 (bc1any2t, bc1any2f): Likewise.
9151 (single_cc): New expander.
9152 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9154 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9156 * doc/md.texi: Update documentation of MIPS constraints.
9157 * config/mips/constraints.md: New file.
9158 * config/mips/mips.md: Include it.
9159 * config/mips/mips.c (mips_char_to_class): Delete.
9160 (override_options): Don't initialize mips_char_to_class.
9161 * config/mips/mips.h (mips_char_to_class): Delete.
9162 (REG_CLASS_FROM_LETTER): Delete.
9163 (CONST_OK_FOR_LETTER_P): Delete.
9164 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9165 (EXTRA_CONSTRAINT_Y): Delete.
9166 (EXTRA_CONSTRAINT_STR): Delete.
9167 (CONSTRAINT_LEN): Delete.
9168 (EXTRA_MEMORY_CONSTRAINT): Delete.
9170 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9172 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9173 original fn's eh regions.
9175 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9177 * fold-const.c (build_range_check): Make sure to use a valid type to
9178 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9181 (range_predecessor): New static function.
9182 (range_successor): Likewise.
9183 (merge_ranges): Use them to compute predecessors and successors of
9186 2006-03-09 Roger Sayle <roger@eyesopen.com>
9189 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9190 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9192 2006-03-08 DJ Delorie <dj@redhat.com>
9194 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9195 (addpsi3): Expand to include memory operands. Remove
9196 reload-specific splits.
9197 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9198 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9199 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9200 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9201 (shift1_qi, shift1_hi, insv): New.
9202 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9203 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9204 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9206 * config/m32c/m32c-protos.h: Update as needed.
9207 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9208 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9209 Fail for unrecognized R* constraints.
9210 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9211 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9212 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9214 (m32c_init_libfuncs): New.
9215 (m32c_legitimate_address_p): Add debug wrapper.
9216 (m32c_rtx_costs): New.
9217 (m32c_address_cost): New.
9218 (conversions): Add 'B' prefix.
9219 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9220 operands, or word regnames for QI operands. 'B' prints bit
9222 (m32c_expand_setmemhi): New.
9223 (m32c_expand_movmemhi): New.
9224 (m32c_expand_movstr): New.
9225 (m32c_expand_cmpstr): New.
9226 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9227 (m32c_expand_neg_mulpsi3): Handle non-ints.
9228 (m32c_cmp_flg_0): New.
9229 (m32c_expand_movcc): New.
9230 (m32c_expand_insv): New.
9231 (m32c_scc_pattern): New.
9232 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9233 a0/a1 out of SIregs.
9234 (STORE_FLAG_VALUE): New.
9235 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9238 * config/m32c/mov.md: Make constraints more liberal.
9239 (zero_extendqihi2): Optimize r0/r1 case.
9240 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9241 * config/m32c/predicates.md (m32c_any_operand): New.
9242 (m32c_nonimmediate_operand): New.
9243 (m32c_hl_operand): New.
9244 (m32c_r3_operand): New.
9247 (memsym_operand): New.
9248 (memimmed_operand): New.
9249 (a_qi_operand): New.
9250 (m32c_eqne_operator): New.
9251 (m32c_1bit8_operand): New.
9252 (m32c_1bit16_operand): New.
9253 (m32c_1mask8_operand): New.
9254 (m32c_1mask16_operand): New.
9255 * config/m32c/blkmov.md: New file.
9256 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9258 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9260 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9261 unsigned to fix signed/unsigned comparison issue in
9262 DWARF2_FRAME_REG_OUT.
9263 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9264 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9266 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9267 of ptr into the ENABLE_CHECKING section.
9269 2006-03-08 Jeff Law <law@redhat.com>
9271 * tree-vrp.c (infer_value_range): Only count pointer uses
9272 and dereferences if -fdelete-null-pointer-checks is enabled.
9274 * tree-vrp.c (find_assert_locations): Infer value ranges for
9275 single use pointers, but do not create ASSERT_EXPRs for them.
9276 When a non-null range is inferred for a pointer, backwards
9277 propagate that range to other equivalent pointers through the
9280 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9283 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9284 language hook targets.
9285 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9286 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9287 if language hook targets were missing.
9289 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9291 * tree-ssa-opfinalize.h: Removed.
9292 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9294 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9295 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9296 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9297 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9298 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9299 finalize_ssa_v_must_def_ops): New.
9301 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9303 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9306 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9308 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9310 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9311 addresses with offsets; reorganize.
9313 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9314 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9315 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9317 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9320 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9322 2006-03-08 Ben Elliston <bje@au.ibm.com>
9324 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9326 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9329 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9332 2006-03-07 Richard Guenther <rguenther@suse.de>
9334 PR tree-optimization/26587
9335 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9337 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9339 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9341 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9343 * hooks.c (hook_bool_mode_rtx_true): New function.
9344 * hooks.h (hook_bool_mode_rtx_true): Declare.
9345 * toplev.c (compile_file): Call output_shared_constant_pool.
9346 * varasm.c (shared_constant_pool): New variable.
9347 (assemble_start_function, assemble_end_function): Remove arguments
9348 from call to output_constant_pool.
9349 (create_constant_pool): New function, split out from...
9350 (init_varasm_status): ...here.
9351 (force_const_mem): Choose between the shared and per-function constant
9352 pools. Set current_function_uses_const_pool when reusing old entries
9353 as well as when creating new ones.
9354 (mark_constant): Ignore data argument.
9355 (mark_constants): Remove pool argument.
9356 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9357 to decide whether the function uses a constant pool.
9358 (output_constant_pool_contents): New function, split out from...
9359 (output_constant_pool): ...here.
9360 (output_shared_constant_pool): New function.
9361 (init_varasm_once): Initialize shared_constant_pool.
9362 * output.h (output_constant_pool): Delete.
9363 (output_shared_constant_pool): Declare.
9364 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9365 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9367 2006-03-06 Nick Clifton <nickc@redhat.com>
9369 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9370 flag_strength_reduce.
9372 2006-03-06 Ben Elliston <bje@au.ibm.com>
9374 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9375 x86_64-*-linux* configurations.
9377 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9378 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9380 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9382 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9384 * basic-block.h: Remove the extern for
9385 rediscover_loops_after_threading.
9387 * cfgloop.c (cancel_loop): Make it static.
9388 * cfgloop.h: Remove the prototype for cancel_loop.
9390 * flow.c (recompute_reg_usage): Make it static.
9391 * rtl.h: Remove the prototype for recompute_reg_usage.
9393 * function.c (use_return_register): Make it static.
9394 * function.h: Remove the prototype.
9396 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9398 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9400 * recog.h: Remove the prototype for
9401 validate_change_maybe_volatile.
9403 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9405 * rtlanal.c (replace_reg): Remove.
9406 * rtl.h: Remove the prototype for replace_reg.
9408 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9410 * regclass.c (reg_scan_update): Remove.
9411 (reg_scan_mark_refs): Remove the last argument.
9412 * rtl.h: Remove the prototype for reg_scan_update.
9414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9416 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9417 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9418 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9419 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9420 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9421 loop-invariant.c, omp-low.c, opts.c, passes.c,
9422 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9423 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9424 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9425 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9426 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9427 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9429 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9431 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9432 * dwarf2out.h: Remove the prototype for
9433 dwarf2out_add_library_unit_info.
9435 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9437 * tree.c (add_var_to_bind_expr): Remove.
9438 * tree.h: Remove the prototype for add_var_to_bind_expr.
9440 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9442 * regclass.c (n_non_fixed_regs): Remove.
9443 (init_reg_sets_1, globalize_reg): Remove all uses of
9445 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9447 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9449 * rtlanal.c (insns_safe_to_move_p): Remove.
9450 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9454 * expmed.c (expand_mult_add): Remove.
9455 * expr.h: Remove the prototype for expand_mult_add.
9457 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9459 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9460 and REG_SAVED_VAL_EXP constants.
9461 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9462 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9463 Handle regs stored by value.
9464 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9465 (execute_cfa_program): Handle DW_CFA_val_offset,
9466 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9467 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9468 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9469 (uw_install_context_1): Handle target regs stored by value.
9471 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9473 * tree-sra.c (tree_sra): Return todoflags;
9474 (generate_one_element): Set TODO_update_smt_usage if needed.
9475 (pass_sra): Remove TODO_update_smt_usage.
9476 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9478 (tree_ssa_forward_propagate_single_use_vars): Return
9479 TODO_update_smt_usage if we need to update SMT usage.
9480 (pass_forwprop): Remove TODO_update_smt_usage.
9482 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9484 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9485 (correct_use_link): Remove reference to get_stmt_operands.
9486 (update_stmt_operands): Likewise.
9487 (get_modify_expr_operands): New function factored out of
9488 parse_ssa_operands and get_expr_operands.
9489 Try to create V_MUST_DEFs for LHS by default.
9490 (get_expr_operands) <case MODIFY_EXPR>: Call
9491 get_modify_expr_operands.
9492 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9493 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9494 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9495 get_modify_expr_operands.
9497 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9499 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9500 * tree-flow.h: Remove the prototype for
9501 referenced_var_lookup_if_exists.
9503 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9505 PR rtl-optimization/26345
9507 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9509 2006-03-03 Roger Sayle <roger@eyesopen.com>
9511 PR tree-optimization/26524
9512 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9513 fold_convert to create a constant of the appropriate type.
9515 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9517 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9518 SYMBOL_REF_IN_BLOCK_P.
9519 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9520 of SYMBOL_FLAG_IN_BLOCK.
9521 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9522 instead of SYMBOL_REF_IN_BLOCK_P.
9523 * explow.c (use_anchored_address): Likewise.
9524 * rtl.c (rtx_size): Likewise.
9525 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9526 instead of SYMBOL_FLAG_IN_BLOCK.
9527 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9528 SYMBOL_REF_IN_BLOCK_P.
9529 (assemble_variable): Likewise.
9530 (output_constant_def_contents): Likewise.
9531 (output_constant_pool): Likewise.
9532 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9533 instead of SYMBOL_FLAG_IN_BLOCK.
9534 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9535 SYMBOL_REF_IN_BLOCK_P.
9536 (SYMBOL_REF_BLOCK): Likewise.
9537 (SYMBOL_REF_OFFSET): Likewise.
9538 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9539 SYMBOL_REF_IN_BLOCK_P.
9540 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9541 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9542 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9543 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9545 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9547 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9549 2006-03-02 Roger Sayle <roger@eyesopen.com>
9551 * simplify-rtx.c (simplify_unary_operation): When simplifying
9552 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9553 that we perform the right shift in the appropriate mode, and
9554 then extend or truncate the result to requested mode.
9556 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9558 * gengtype.c (main): Handle double_int type.
9559 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9560 * double-int.c: New file.
9561 * double-int.h: New file.
9562 * system.h: Include doubleint.h.
9563 * Makefile.in (SYSTEM_H): Include double-int.h.
9564 (double-int.o): Add.
9566 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9569 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9572 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9574 * tree-vrp.c (remove_range_assertions): Do not update statements
9577 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9579 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9581 * gcse.c (rest_of_handle_gcse): Ditto.
9582 * except.c (gate_handle_eh): Ditto.
9583 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9584 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9586 2006-03-02 Eric Christopher <echristo@apple.com>
9588 * config/i386/i386.c (machopic_output_stub): Add indirection to
9591 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9595 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9597 Sun Niagara specific optimizations.
9598 * config.gcc: Recognize niagara as target.
9599 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9600 (TARGET_CPU_niagara): Define.
9601 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9602 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9603 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9604 (ASM_CPU_SPEC): Likewise.
9605 (PROCESSOR_NIAGARA): New enum entry.
9606 (REGISTER_MOVE_COST): Handle Niagara.
9607 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9608 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9609 (sparc_override_options): Recognize "niagara", set appropriate
9610 default MASK_* values for it, and align functions to 32-bytes
9611 by default just like ULTRASPARC/ULTRASPARC3.
9612 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9613 (sparc64_initialize_trampoline): Likewise.
9614 (sparc_use_sched_lookahead): Use zero for niagara.
9615 (sparc_issue_rate): Use one for niagara.
9616 * config/sparc/niagara.md: New file.
9617 * config/sparc/sparc.md: Include it.
9618 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9619 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9620 when default cpu is niagara.
9621 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9622 (ASM_CPU_SPEC): Likewise.
9623 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9624 when default cpu is niagara.
9625 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9626 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9627 just like v9/ultrasparc/ultrasparc3.
9628 * doc/invoke.texi: Add documentation for "niagara" and improve
9629 existing documentation for ultrasparc variants.
9631 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9633 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9635 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9637 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9638 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9639 and say that only one is needed.
9640 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9641 * target.h (have_switchable_bss_sections): New hook.
9642 * explow.c (use_anchored_address): Check that the symbol is in a block.
9643 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9644 (bss_noswitch_section): New variables.
9645 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9646 (get_noswitch_section): New function.
9647 (get_block_for_section): Allow SECT to be null.
9648 (unlikely_text_section_p): Use SECTION_STYLE.
9649 (bss_initializer_p): New function.
9650 (get_variable_section): Move earlier in file. Take a new argument,
9651 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9652 Return one of the new *_sections in such cases.
9653 (get_block_for_decl): New function, extracting some logic from
9654 use_blocks_for_decl_p.
9655 (change_symbol_section): Remove in favor of...
9656 (change_symbol_block): ...this new function.
9657 (use_blocks_for_decl_p): Remove checks now performed by
9659 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9660 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9661 (emit_local, emit_bss, emit_common): ...these new functions.
9662 Return true if the alignment was honored.
9663 (emit_tls_common): New function.
9664 (asm_emit_uninitialised): Delete.
9665 (assemble_variable_noswitch): New function, split out from...
9666 (assemble_variable): ...here. Don't make decisions about common
9667 variables here. Globalize all public decls that go into non-common
9668 sections. Check whether SYMBOL_REF_BLOCK is null.
9669 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9670 (output_constant_pool): Likewise.
9671 (init_varasm_once): Initialize the new section variables.
9672 (have_global_bss_p): New function.
9673 (categorize_decl_for_section): Use bss_initializer_p.
9674 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9675 (place_block_symbol): Assert that the symbol must be in a block.
9676 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9677 (TARGET_INITIALIZER): Include it.
9678 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9679 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9680 (SECTION_MACH_DEP): Bump by two.
9681 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9682 (unnamed_section): Mention SECTION_UNNAMED in comment.
9683 (named_section): Likewise SECTION_NAMED.
9684 (noswitch_section_callback): New type.
9685 (noswitch_section): New structure.
9686 (section): Add a noswitch_section alternative.
9687 (SECTION_STYLE): New macro.
9688 (tls_comm_section, comm_section, lcomm_section): Declare.
9689 (bss_noswitch_section, have_global_bss_p): Declare.
9690 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9691 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9693 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9694 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9697 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9699 * tree-vrp.c (execute_vrp): Return value.
9700 * regrename.c (rest_of_handle_regrename): Ditto.
9701 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9702 * tree-complex.c (tree_lower_complex): Ditto.
9703 (tree_lower_complex_O0): Ditto.
9704 * tracer.c (rest_of_handle_tracer): Ditto.
9705 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9706 * postreload.c (rest_of_handle_postreload): Ditto.
9707 * tree-tailcall.c (execute_tail_recursion): Ditto.
9708 (execute_tail_calls): Ditto.
9709 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9710 * tree.h (init_function_for_compilation): Ditto.
9711 * ipa-cp.c (ipcp_driver): Ditto.
9712 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9713 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9714 * final.c (compute_alignments): Ditto.
9715 (rest_of_handle_final): Ditto.
9716 (rest_of_handle_shorten_branches): Ditto.
9717 (rest_of_clean_state): Ditto.
9718 * omp-low.c (execute_expand_omp): Ditto.
9719 (execute_lower_omp): Ditto.
9720 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9721 * ipa-reference.c (static_execute): Ditto.
9722 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9723 * reorg.c (rest_of_handle_delay_slots): Ditto.
9724 (rest_of_handle_machine_reorg): Ditto.
9725 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9726 * flow.c (recompute_reg_usage): Ditto.
9727 (rest_of_handle_remove_death_notes): Ditto.
9728 (rest_of_handle_life): Ditto.
9729 (rest_of_handle_flow2): Ditto.
9730 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9731 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9732 (do_ssa_store_ccp): Ditto.
9733 (execute_fold_all_builtins): Ditto.
9734 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9735 * modulo-sched.c (rest_of_handle_sms): Ditto.
9736 * ipa-pure-const.c (static_execute): Ditto.
9737 * cse.c (rest_of_handle_cse): Ditto.
9738 (rest_of_handle_cse2): Ditto.
9739 * web.c (rest_of_handle_web): Ditto.
9740 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9741 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9742 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9743 * tree-nrv.c (tree_nrv): Ditto.
9744 (execute_return_slot_opt): Ditto.
9745 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9746 (create_structure_vars): Ditto.
9747 * loop-init.c (rtl_loop_init): Ditto.
9748 (rtl_loop_done): Ditto.
9749 (rtl_move_loop_invariants): Ditto.
9750 (rtl_unswitch): Ditto.
9751 (rtl_unroll_and_peel_loops): Ditto.
9752 (rtl_doloop): Ditto.
9753 * gimple-low.c (lower_function_body): Ditto.
9754 (mark_used_blocks): Ditto.
9755 * tree-ssa-sink.c (execute_sink_code): Ditto.
9756 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9757 (cgraph_early_inlining): Ditto.
9758 * global.c (rest_of_handle_global_alloc): Ditto.
9759 * jump.c (cleanup_barriers): Ditto.
9760 (purge_line_number_notes): Ditto.
9761 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9762 (rest_of_handle_if_after_reload): Ditto.
9763 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9764 (tree_ssa_loop_im): Ditto.
9765 (tree_ssa_loop_unswitch): Ditto.
9766 (tree_vectorize): Ditto.
9767 (tree_linear_transform): Ditto.
9768 (tree_ssa_loop_ivcanon): Ditto.
9769 (tree_ssa_empty_loop): Ditto.
9770 (tree_ssa_loop_bounds): Ditto.
9771 (tree_complete_unroll): Ditto.
9772 (tree_ssa_loop_prefetch): Ditto.
9773 (tree_ssa_loop_ivopts): Ditto.
9774 (tree_ssa_loop_done): Ditto.
9775 * predict.c (tree_estimate_probability): Ditto.
9776 * recog.c (split_all_insns_noflow): Ditto.
9777 (rest_of_handle_peephole2): Ditto.
9778 (rest_of_handle_split_all_insns): Ditto.
9779 * tree-eh.c (lower_eh_constructs): Ditto.
9780 * regmove.c (rest_of_handle_regmove): Ditto.
9781 (rest_of_handle_stack_adjustments): Ditto.
9782 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9783 * function.c (instantiate_virtual_regs): Ditto.
9784 (init_function_for_compilation): Ditto.
9785 (rest_of_handle_check_leaf_regs): Ditto.
9786 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9787 (rest_of_handle_gcse): Ditto.
9788 * ipa-type-escape.c (type_escape_execute): Ditto.
9789 * alias.c (rest_of_handle_cfg): Ditto.
9790 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9791 * profile.c (rest_of_handle_branch_prob): Ditto.
9792 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9793 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9794 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9795 * tree-dfa.c (find_referenced_vars): Ditto.
9796 * except.c (set_nothrow_function_flags): Ditto.
9797 (convert_to_eh_region_ranges): Ditto.
9798 (rest_of_handle_eh): Ditto.
9799 * emit-rtl.c (unshare_all_rtl): Ditto.
9800 (remove_unnecessary_notes): Ditto.
9801 * except.h (set_nothrow_function_flags): Ditto.
9802 (convert_to_eh_region_ranges): Ditto.
9803 * cfgexpand.c (tree_expand_cfg): Ditto.
9804 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9805 * tree-ssa-pre.c (do_pre): Ditto.
9806 (execute_fre): Ditto.
9807 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9808 (rest_of_handle_jump2): Ditto.
9809 * tree-sra.c (tree_sra): Ditto.
9810 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9811 (execute_mudflap_function_decls): Ditto.
9812 * tree-ssa-copy.c (do_copy_prop): Ditto.
9813 (do_store_copy_prop): Ditto.
9814 * ipa-prop.h (ipcp_driver): Ditto.
9815 * cfglayout.c (insn_locators_initialize): Ditto.
9816 * tree-ssa-forwprop.c
9817 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9818 * cfglayout.h (insn_locators_initialize): Ditto.
9819 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9820 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9821 (execute_late_warn_uninitialized): Ditto.
9822 * rtl.h (cleanup_barriers): Ditto.
9823 (split_all_insns_noflow): Ditto.
9824 (purge_line_number_notes): Ditto.
9825 (unshare_all_rtl): Ditto.
9826 (remove_unnecessary_notes): Ditto.
9827 (recompute_reg_usage): Ditto.
9828 (variable_tracking_main): Ditto.
9829 * integrate.c (emit_initial_value_sets): Ditto.
9830 * integrate.h (emit_initial_value_sets): Ditto.
9831 * tree-optimize.c (execute_free_datastructures): Ditto
9832 (execute_free_cfg_annotations): Ditto.
9833 (execute_fixup_cfg): Ditto.
9834 (execute_cleanup_cfg_pre_ipa): Ditto.
9835 (execute_cleanup_cfg_post_optimizing): Ditto.
9836 (execute_init_datastructures): Ditto.
9837 * tree-object-size.c (compute_object_sizes): Ditto.
9838 * combine.c (rest_of_handle_combine): Ditto.
9839 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9840 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9841 (rest_of_handle_reorder_blocks): Ditto.
9842 (rest_of_handle_partition_blocks): Ditto.
9843 * var-tracking.c (variable_tracking_main): Ditto.
9844 * tree-profile.c (tree_profiling): Ditto.
9845 * tree-vect-generic.c (expand_vector_operations): Ditto.
9846 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9847 * sched-rgn.c (rest_of_handle_sched): Ditto.
9848 (rest_of_handle_sched2): Ditto.
9849 * basic-block.h (free_bb_insn): Ditto.
9850 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9851 * tree-cfg.c (execute_build_cfg): Ditto.
9852 (remove_useless_stmts): Ditto.
9853 (split_critical_edges): Ditto.
9854 (execute_warn_function_return): Ditto.
9855 (execute_warn_function_noreturn): Ditto.
9856 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9857 * cfgrtl.c (free_bb_for_insn): Ditto.
9858 * passes.c (execute_one_pass): Run additional
9859 todos returned by execute function.
9860 * tree-pass.h (struct tree_opt_pass): Make execute
9863 2006-03-02 Richard Guenther <rguenther@suse.de>
9865 * tree-ssa-alias.c (find_used_portions): Consider taking
9866 the address as making the variable not write-only.
9868 2006-03-02 Nick Clifton <nickc@redhat.com>
9870 * config.gcc (default_use_cxa_atexit): Extend the description of
9871 this configure variable. Set its default value to "yes" for
9872 Linux, NetBSD and ELF targets on the assumption that they will
9873 use C libraries with the __cxa_atexit function.
9875 2006-03-02 Ben Elliston <bje@au.ibm.com>
9877 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9878 parameter as unused to suppress a build warning.
9880 2006-03-02 Ben Elliston <bje@au.ibm.com>
9882 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9885 2006-03-01 Roger Sayle <roger@eyesopen.com>
9888 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9889 declared name, the weak reference name, and the typeof name.
9890 (__gthrw): Avoid expanding the declared name suffix.
9891 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9893 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9895 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9897 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9898 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9899 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9900 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9901 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9902 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9903 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9904 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9905 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9906 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9907 (DW_END_default, DW_END_big, DW_END_little): New.
9908 (DW_END_lo_user, DW_END_hi_user): Define.
9909 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9910 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9911 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9914 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9916 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9918 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9920 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9922 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9924 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9925 to 'symbol_mem_tag'.
9927 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9930 2006-03-01 Roger Sayle <roger@eyesopen.com>
9932 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9934 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9937 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9938 MACHO_DYNAMIC_NO_PIC_P.
9939 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9941 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9944 * config/darwin-protos.h (darwin_asm_output_anchor):
9946 * config/darwin-sections.def (cstring_section):
9947 Add SECTION_MERGE to the flags.
9948 (literal4_section): Likewise.
9949 (literal8_section): Likewise.
9950 (objc_selector_refs_section): Likewise.
9951 (objc_cls_refs_section): Likewise.
9952 * config/darwin.c (darwin_asm_output_anchor): New
9954 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9956 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9958 Fix PR tree-optimization/26443
9959 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9960 to todo and PROP_tmt_usage to properties_destroyed.
9961 * tree-ssa-ccp.c (pass_ccp): Ditto.
9962 (pass_store_ccp): Ditto.
9963 * tree-ssa-dom.c (pass_dominator): Ditto.
9965 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9967 * tree-ssa-operands.c: Cleanup whitespace.
9968 (get_asm_expr_operands): Move before first invocation.
9969 (get_indirect_ref_operands): Likewise.
9970 (get_tmr_operands): Likewise.
9971 (get_call_expr_operands): Likewise.
9972 (append_def): Likewise.
9973 (append_use): Likewise.
9974 (append_v_may_def): Likewise.
9975 (append_v_must_def): Likewise.
9976 (add_call_clobber_ops): Likewise.
9977 (add_call_read_ops): Likewise.
9978 (add_stmt_operand): Likewise.
9979 (add_virtual_operand): Likewise.
9980 (build_ssa_operands): Likewise.
9982 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9987 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9988 with a call expr to ...
9989 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9991 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9993 * tree-vrp.c (extract_range_from_assert): Remove special
9994 handling for types with super-types.
9996 2006-03-01 Ben Elliston <bje@au.ibm.com>
9998 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9999 and powerpc64-*-linux* configurations.
10000 * config/t-dfprules: New file.
10002 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10003 Compile dfp-bit.c from the source directory using -DWIDTH and
10004 $DFP_CFLAGS to control the compilation of that file, rather than
10005 generating width-specific versions in the build directory.
10006 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10007 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10009 2006-02-28 Zack Weinberg <zackw@panix.com>
10011 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10014 2006-02-28 Eric Christopher <echristo@apple.com>
10016 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10017 Set up IN_LIBGCC definition of TARGET_64BIT.
10018 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10020 2006-02-28 Roger Sayle <roger@eyesopen.com>
10022 PR middle-end/14752
10023 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10024 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10025 cases via the construction of "expr != 0".
10027 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10029 * alias.c (alias_invariant, alias_invariant_size): Remove.
10030 (record_base_value): Remove.
10031 (memrefs_conflict_p): Don't look at alias_invariant.
10032 (end_alias_analysis): Don't free it.
10033 * alias.h (record_base_value): Remove prototype.
10035 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10036 Adam Nemet <anemet@caviumnetworks.com>
10038 * rtl.h (truncated_to_mode): Declare it.
10039 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10040 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10041 (RTL_HOOKS_INITIALIZER): Include it.
10042 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10043 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10044 reg_truncated_to_mode.
10045 * rtlanal.c (truncated_to_mode): Define it.
10046 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10048 2006-02-28 Jeff Law <law@redhat.com>
10050 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10051 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10052 the range allowed by TYPE_PRECISION.
10054 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10056 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10058 PR tree-optimization/26419
10059 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10062 2006-02-27 Zack Weinberg <zackw@panix.com>
10064 * doc/md.texi: Fix typo in previous change.
10066 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10070 2006-02-27 Zack Weinberg <zackw@panix.com>
10072 * rtl.def (define_constraint, define_register_constraint)
10073 (define_memory_constraint, define_address_constraint): New MD forms.
10074 * gensupport.c (process_rtx): Put define_constraint etc on the
10076 * genpreds.c (process_define_predicate): Adjust comment. Validate
10077 the name, and call validate_exp to validate the expression.
10078 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10079 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10080 all callers changed.
10081 (validate_exp, needs_variable, struct constraint_data)
10082 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10083 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10084 (const_dbl_constraints, constraint_max_namelen)
10085 (have_register_constraints, have_memory_constraints)
10086 (have_address_constraints, have_address_constraints)
10087 (have_extra_constraints, have_const_int_constraints)
10088 (have_const_dbl_constraints, mangle, add_constraint)
10089 (process_define_constraint, process_define_register_constraint)
10090 (write_enum_constraint_num, write_lookup_constraint)
10091 (write_insn_constraint_len, write_regclass_for_constraint)
10092 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10093 (write_insn_extra_memory_constraint)
10094 (write_insn_extra_address_constraint)
10095 (write_satisfies_constraint_fns): New.
10096 (write_tm_preds_h): If we have new-style constraint definitions,
10097 prototype the functions generated from them, and define the
10098 old constraint interface (still used by generic code) in terms of
10100 (write_insn_preds_c): If we have new-style constraint definitions,
10101 generate all relevant functions from those definitions.
10102 (main): Handle define_constraint etc.
10103 * genoutput.c (struct constraint_data, indep_constraints)
10104 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10105 (mdep_constraint_len): New data structures and functions, defined
10106 #ifdef USE_MD_CONSTRAINTS.
10107 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10108 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10109 use new logic to validate operand constraints against constraint
10111 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10113 * defaults.h: If none of the old-style constraint macros are
10114 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10115 old-style macros; and poison REG_CLASS_FROM_LETTER,
10116 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10118 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10119 * doc/md.texi: Document new constraint-definition mechanism and the
10120 C interface it provides. Remove references to old mechanism
10121 elsewhere in the document.
10122 (Machine Constraints): Use pathnames relative to gcc directory,
10123 i.e. config/ARCH/FILE. Change i386 section to refer to
10124 config/i386/predicates.md; update that section to match docstrings.
10125 * doc/tm.texi: Move all documentation of the old constraint-
10126 definition macros to their own section, clearly mark as obsolete.
10128 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10129 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10131 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10132 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10133 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10134 constraint strings.
10135 (splits and peepholes): Use satisfies_constraint_*.
10136 * config/i386/i386.c (memory_address_length)
10137 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10139 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10141 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10142 scalar operation to be put back into the loop.
10144 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10147 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10148 (extract_cie_info): Handle S flag in augmentation string.
10149 (execute_cfa_program): If context->signal_frame, execute also
10150 fs->pc == context->ra instructions.
10151 (uw_frame_state_for): If context->signal_frame, don't subtract one
10152 from context->ra to find FDE.
10153 (uw_update_context_1): Set context->signal_frame to
10155 (_Unwind_GetIPInfo): New function.
10156 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10157 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10159 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10160 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10161 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10162 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10163 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10164 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10165 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10166 x86_64_fallback_frame_state): Set fs->signal_frame.
10167 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10168 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10169 (frob_update_context): Likewise. Workaround missing S flag in
10170 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10171 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10172 Remove the psw_addr + 1 hack.
10174 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10176 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10177 with aggregates here.
10178 (find_func_aliases): Remove code for &<aggregate> from here.
10180 2006-02-26 Roger Sayle <roger@eyesopen.com>
10182 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10183 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10184 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10185 as (X & C) ne/eq 0.
10187 2006-02-26 Roger Sayle <roger@eyesopen.com>
10189 PR middle-end/19983
10190 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10192 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10194 * opts.c (decode_options): Do not handle flag_strength_reduce.
10195 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10196 and OPT_fstrength_reduce.
10197 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10198 flag_prefetch_loop_arrays for being nonzero.
10199 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10201 (fprefetch-loop-arrays-rtl): Removed.
10202 (flag_prefetch_loop_arrays): Do not specify the value.
10204 * doc/passes.texi: Update documentation of loop optimizer
10206 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10207 -frerun-loop-opt): Remove.
10209 2006-02-26 Richard Guenther <rguenther@suse.de>
10211 PR tree-optimization/26421
10212 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10213 in function calls that are ADDR_EXPRs as using the whole structure.
10215 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10217 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10218 * tree-pass.h (pass_loop_optimize): Remove.
10219 * passes.c (pass_loop_optimize): Never run it.
10220 * toplev.c (backend_init): Don't call init_loop.
10221 * opts.c (flag_loop_optimize_set): Remove.
10222 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10223 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10224 the old RTL loop optimizer when profiling enabled.
10225 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10226 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10227 pre-headers for the sake of the old RTL loop optimizer.
10228 * Makefile.in: Remove all references to loop.o.
10230 * doc/invoke.texi: Remove all references to -floop-optimize
10231 and -frerun-loop-opt.
10233 2006-02-26 Zack Weinberg <zackw@panix.com>
10235 * doc/md.texi (Machine Constraints): Refer to all files with paths
10236 relative to gcc directory (i.e. config/CPU/file). Add missing
10237 @table @code ... @end table to M32C subsection.
10239 2006-02-26 Roger Sayle <roger@eyesopen.com>
10241 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10243 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10245 2006-02-26 Roger Sayle <roger@eyesopen.com>
10246 James A. Morrison <phython@gcc.gnu.org>
10248 PR middle-end/21137
10249 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10250 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10251 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10252 signedness of the shift operation.
10254 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10256 PR tree-optimization/26359
10257 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10259 2006-02-25 Roger Sayle <roger@eyesopen.com>
10261 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10262 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10263 as X == 0, and some symmetry related transformations.
10264 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10266 2006-02-25 Roger Sayle <roger@eyesopen.com>
10268 PR middle-end/23673
10269 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10270 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10271 symmetry related transformations. Fold (X^C1) == C2 as
10274 2006-02-25 Juergen Weigert <jw@suse.de>
10275 Richard Guenther <rguenther@suse.de>
10277 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10279 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10281 * combine.c (gen_lowpart_or_truncate): Call
10282 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10284 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10286 * doc/invoke.texi: Move -fopenmp description to "Options for
10288 Remove reference to -lgomp.
10290 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10292 * doc/install.texi: Require GNU tar version 1.14.
10294 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10296 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10297 * doc/invoke.texi (C++ Dialect Options): Document
10298 -fno-use-cxa-get-exception-ptr.
10299 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10300 * configure: Regenerate.
10301 * c.opt (fuse-cxa-get-exception-ptr): New.
10302 * c-opts.c (c_common_handle_option): Handle
10303 OPT_fuse_cxa_get_exception_ptr.
10304 * c-common.c (flag_use_cxa_atexit): Update documentation.
10305 (flag_use_cxa_get_exception_ptr): New.
10306 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10307 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10309 (C_COMMON_OVERRIDE_OPTIONS): New.
10311 2006-02-24 Roger Sayle <roger@eyesopen.com>
10313 PR middle-end/24952
10314 * combine.c (try_combine): Explicitly check whether GET_CODE is
10315 a SET or a CLOBBER, instead on checking that it isn't a USE.
10317 2006-02-24 Roger Sayle <roger@eyesopen.com>
10319 * fold-const.c (fold_comparison): New subroutine of fold_binary
10320 containing transformations common to both the equality and
10321 ordering relational operators, factored out of fold_binary.
10322 (fold_binary): Separate out the equality operators (EQ_EXPR
10323 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10324 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10325 transformations common to both.
10326 (fold_div_compare): Fix latent bugs in the previously unreachable
10327 LT_EXPR and GE_EXPR cases.
10329 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10331 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10332 decl libname for clog to __clog on AIX.
10334 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10336 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10339 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10340 output traceback table for thunks. Localise rs6000_stack_info call.
10342 2006-02-23 Roger Sayle <roger@eyesopen.com>
10343 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10345 * gthr-posix.h (__gthrw): Fix typo in comment.
10347 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10349 * doc/cpp.texi (Character sets): Document that we do support
10350 input files to be in any character set.
10352 2006-02-23 Jeff Law <law@redhat.com>
10354 * tree.h (PHI_ARG_NONZERO): Remove.
10355 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10356 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10357 node to the new node.
10359 PR tree-optimization/26425
10360 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10361 min/max, then assume its varying.
10363 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10365 PR rtl-optimization/26316
10366 * rtlanal.c (enum may_trap_p_flags): New.
10367 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10368 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10369 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10370 (may_trap_after_code_motion_p): New function.
10371 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10372 (find_invariant_insn): Use may_trap_after_code_motion_p.
10373 * rtl.h (may_trap_after_code_motion_p): Declare.
10375 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10377 * emit-rtl.c (immed_double_const): Cleanup.
10379 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10381 Fix PR tree-optimization/26376
10382 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10385 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10387 PR middle-end/26412
10388 * gimplify.c (omp_add_variable): Guard variable size decl test with
10389 DECL_SIZE (decl) check.
10391 2006-02-23 Richard Guenther <rguenther@suse.de>
10393 PR middle-end/26439
10394 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10395 like aggregate types.
10397 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10399 * configure.ac: Add --with{,out}-long-double-128 configure option.
10400 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10401 * configure: Rebuilt.
10402 * config.in: Rebuilt.
10403 * doc/install.texi (Options specification): Document
10404 --with-long-double-128.
10406 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10407 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10408 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10409 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10411 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10413 * config/s390/s390.c (override_options): Handle
10414 TARGET_DEFAULT_LONG_DOUBLE_128.
10416 * config/alpha/alpha.c (override_options): Handle
10417 TARGET_DEFAULT_LONG_DOUBLE_128.
10419 * config/sparc/sparc.c (sparc_override_options): Handle
10420 TARGET_DEFAULT_LONG_DOUBLE_128.
10422 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10424 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10425 (real-install-headers-tar, real-install-headers-cpio)
10426 (real-install-headers-cp): New targets.
10428 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10430 * tree.h (variable_section): Delete.
10431 * varasm.c (variable_section): Delete.
10433 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10435 * install.texi: Add notes on install.texi2html.
10436 (Building in parallel): Do not use footnotes.
10438 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10441 * doc/install.texi (Configuration): Document --disable-libgomp.
10443 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10445 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10447 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10449 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10450 (vec_extractv2df_0_sse): New.
10452 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10454 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10455 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10456 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10457 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10458 to the result of the expression.
10459 (def_cfa_1): Adjust.
10460 (frame_pointer_cfa_offset): Rename to...
10461 (frame_pointer_fb_offset): ... this. Adjust all uses.
10462 (convert_cfa_to_loc_list): Rename to...
10463 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10464 Pass it on to build_cfa_loc.
10465 (compute_frame_pointer_to_cfa_displacement): Rename to...
10466 (compute_frame_pointer_to_fb_displacement): ... this. New
10467 offset parameter. Use it in computation.
10468 (gen_subprogram_die): Compute cfa_fb_offset with the new
10469 macro, and use it to compute the fb loc list and the
10472 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10474 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10475 replaced with register_operand.
10476 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10477 non-DREG is expensive.
10478 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10479 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10482 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10484 * doc/install.texi2html: Use set -e.
10486 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10488 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10489 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10490 * doc/invoke.texi (-fshared-data): Delete.
10491 * common.opt (fshared-data): Delete.
10492 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10493 (assemble_static_space): Remove #if 0 code.
10494 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10495 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10496 * config/cris/cris.h: Remove FIXME.
10498 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10500 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10503 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10505 PR middle-end/26379
10506 * combine.c (simplify_shift_const_1): Disable nested shifts
10507 optimization for vector shifts.
10509 2006-02-20 Roger Sayle <roger@eyesopen.com>
10511 PR tree-optimization/26361
10512 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10513 of unsigned integer types.
10515 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10517 * tree-chrec.c (eq_evolutions_p): New.
10518 * tree-chrec.h (eq_evolutions_p): Declared.
10519 * tree-data-ref.c: Fix formatting.
10520 (datadep_stats, dependence_stats): New.
10522 (print_direction_vector): New.
10523 (dump_data_dependence_relation): Use print_direction_vector.
10524 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10525 (compute_subscript_distance): Static.
10526 (initialize_data_dependence_relation): Static. Get the number
10527 of loops surrounding the references from the callers, and initialize
10528 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10529 base_object_differ_p analyzers.
10530 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10531 compute_overlap_steps_for_affine_1_2,
10532 analyze_subscript_affine_affine): Count the classified dependences.
10533 Print a message when a test failed.
10534 (can_use_analyze_subscript_affine_affine): New.
10535 (analyze_siv_subscript): Compute the data dependences on symbolic
10536 scevs that verify can_use_analyze_subscript_affine_affine.
10537 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10538 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10539 Handle symbolic scevs.
10540 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10542 (subscript_dependence_tester): Moved...
10543 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10544 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10545 DDR_SIZE_VECT instead of getting it in parameter.
10546 (subscript_dependence_tester): ... here. Take as a parameter
10547 loop_nest_depth. Call build_classic_dist_vector and
10548 build_classic_dir_vector.
10549 (compute_affine_dependence): Update subscript_dependence_tester
10550 parameters. Update datadep_stats counters. Call
10551 compute_subscript_distance.
10552 (compute_self_dependence): Save the dist and dir vectors. Call
10553 compute_subscript_distance.
10554 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10555 (compute_all_dependences): Reorder parameters as they were before
10556 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10557 compute_subscript_distance. Update the use of
10558 compute_affine_dependence and initialize_data_dependence_relation.
10559 (find_data_references_in_loop): Handle COMPONENT_REF.
10560 (compute_data_dependences_for_loop): Initialize dependence_stats.
10561 Don't call build_classic_dist_vector and build_classic_dir_vector.
10562 Update the parameters of initialize_data_dependence_relation and
10563 compute_all_dependences. Print the statistics from datadep_stats.
10564 (analyze_all_data_dependences): Static. Not used until the pass for
10565 checking the data dependences is contributed.
10566 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10567 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10568 (initialize_data_dependence_relation, compute_affine_dependence,
10569 analyze_all_data_dependences, compute_subscript_distance): Removed.
10570 (print_direction_vector): New.
10571 * lambda.h (gcd): ... here.
10572 (lambda_vector_gcd): Moved here from gcd_vector.
10573 * lambda-code.c (gcd, gcd_vector): Removed.
10574 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10575 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10577 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10579 * ipa-type-escape.c: Tidy some comments and white space.
10580 * tree-ssa-operands.c: Likewise.
10582 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10585 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10586 (dump_decl_name): Do not walk the decl tree chains.
10587 * tree-pass.h (TDF_CHAIN): Remove.
10589 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10591 * Makefile.in (C): Remove
10593 (.PHONY): Remove C and PROTO
10595 2006-02-20 Roger Sayle <roger@eyesopen.com>
10597 PR middle-end/26236
10598 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10599 deprecated CHAR_TYPE tree code.
10601 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10603 * configure.ac (target_list): Add install-info, dvi, html.
10604 * configure: Regenerate.
10606 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10607 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10608 treelang/Make-lang.in: Do not use double-colon rules.
10610 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10612 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10613 (TMT_USED_ALONE): New macro.
10614 * tree-pass.h (PROP_tmt_usage): New property.
10615 (TODO_update_tmt_usage): New todo.
10616 * tree-ssa-alias.c (updating_used_alone): New variable.
10617 (recalculate_used_alone): New function.
10618 (compute_may_aliases): Set updating_used_alone, call
10619 recalculate_used_alone.
10620 * tree-sra.c (pass_sra): Note that this pass destroys
10621 PROP_tmt_usage, and add TODO_update_tmt_usage.
10622 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10623 * tree-flow.h (updating_used_alone): Prototype.
10624 (recalculate_used_alone): Ditto.
10625 * passes.c (execute_todo): Add code to set updating_used_alone,
10626 and call recalculate.
10627 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10628 for clobber if used alone, and add assert to verify used_alone
10631 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10633 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10634 for non tls symbols added.
10635 (legitimize_address): Do nothing for PLUS expressions if one of the
10636 addends is a tls symbol reference.
10638 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10642 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10644 * Makefile.in (BOOTSTRAPPING): New.
10645 (quickstrap): New definition if BOOTSTRAPPING=yes.
10647 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10648 * configure.ac: Substitute all_selected_languages with the languages
10649 that were configured. For all the other variables except
10650 lang_specs_files, include all the languages in the tree.
10651 * configure: Regenerate.
10653 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10654 if there is one. Run the commands to run fixincludes in the same
10657 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10658 * doc/install.texi: Document exact conventions for searching target tools.
10659 Document --with-build-time-tools. Document toplevel bootstrap. Document
10660 something more about building an Ada cross-compiler. Don't list GNU Make
10661 requirements which affect all platforms.
10663 2006-02-19 Roger Sayle <roger@eyesopen.com>
10665 PR middle-end/19543
10666 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10667 only equivalent if the have both the same mode and precision.
10669 2006-02-20 Ben Elliston <bje@au.ibm.com>
10671 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10673 2006-02-19 Roger Sayle <roger@eyesopen.com>
10674 Steven Bosscher <stevenb.gcc@gmail.com>
10676 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10677 constant pool references to identify stack mode constants.
10678 * rtlanal.c (constant_pool_constant_p): New predicate to check
10679 whether operand is a floating point constant in the pool.
10680 * rtl.h (constant_pool_constant_p): Prototype here.
10681 * loop.c (scan_loop): Avoid hoisting constants from the constant
10682 pool on STACK_REGS targets.
10683 (load_mems): Likewise.
10684 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10685 loads into x87 registers expensive in terms of register pressure.
10687 2006-02-19 Roger Sayle <roger@eyesopen.com>
10689 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10690 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10692 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10694 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10695 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10697 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10699 * doc/invoke.texi: Document -fipa-pta.
10700 * common.opt: Add ipa-pta option.
10701 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10702 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10703 (do_ds_constraint): Ditto.
10704 (get_constraint_for): Only add to referenced_vars if
10705 referenced_vars exists.
10706 (insert_into_field_list): Rewrite to do this unsorted.
10707 (insert_into_field_list_sorted): Rename old insert_into_field_list
10709 (create_function_info_for): Use insert_into_field_list_sorted.
10710 (create_variable_info_for): Rewrite so it uses unsorted version,
10711 since the field list is sorted.
10712 (intra_create_variable_infos): Only add to referenced_vars if
10713 referenced_vars exists.
10714 (ipa_pta_execute): Init heapvars, and delete when done.
10715 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10717 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10719 * doc/install.texi: Add missing `@samp'.
10721 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10723 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10726 2006-02-18 Mark Wielaard <mark@klomp.org>
10728 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10729 who added new 4.1 features, bug fixes and integration support.
10731 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10734 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10735 MEM for ABI_V4 pic.
10737 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10739 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10740 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10741 (copy_insn_1): Likewise. Don't copy each field individually.
10743 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10745 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10746 * rtl.c (rtx_size): Rename variable to...
10747 (rtx_code_size): ...this.
10748 (rtx_size): New function.
10749 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10750 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10752 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10753 * rtl.h (rtx_code_size): New variable.
10754 (rtx_size): Change from a variable to a function.
10755 (RTX_SIZE): Rename to...
10756 (RTX_CODE_SIZE): ...this.
10759 PR tree-optimization/17106
10760 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10761 (Anchored Addresses): New section.
10762 * doc/invoke.texi (-fsection-anchors): Document.
10763 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10764 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10765 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10766 * hooks.c (hook_bool_mode_rtx_false): New function.
10767 * hooks.h (hook_bool_mode_rtx_false): Declare.
10768 * gengtype.c (create_optional_field): New function.
10769 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10770 SYMBOL_REF_IN_BLOCK_P is true.
10771 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10772 (min_anchor_offset, max_anchor_offset): Likewise.
10773 (use_anchors_for_symbol_p): New hook.
10774 * toplev.c (compile_file): Call output_object_blocks.
10775 (target_supports_section_anchors_p): New function.
10776 (process_options): Check that -fsection-anchors is only used on
10777 targets that support it and when -funit-at-a-time is in effect.
10778 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10779 if the decl doesn't have one.
10780 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10781 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10782 of force_const_mem through use_anchored_address.
10783 (expand_expr_constant): New function.
10784 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10785 calling expand_expr for INDIRECT_REF.
10786 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10787 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10788 * expr.h (use_anchored_address): Declare.
10789 * loop-unroll.c: Don't declare rtx vectors here.
10790 * explow.c: Include output.h.
10791 (validize_mem): Call use_anchored_address.
10792 (use_anchored_address): New function.
10793 * common.opt (-fsection-anchors): New switch.
10794 * varasm.c (object_block_htab, anchor_labelno): New variables.
10795 (hash_section, object_block_entry_eq, object_block_entry_hash)
10796 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10797 (use_blocks_for_decl_p, change_symbol_section): New functions.
10798 (get_variable_section): New function, split out from assemble_variable.
10799 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10800 use_blocks_for_decl_p say so. Use change_symbol_section if the
10801 symbol has already been created.
10802 (assemble_variable_contents): New function, split out from...
10803 (assemble_variable): ...here. Don't output any code for
10804 block symbols; just pass them to place_block_symbol.
10805 Use get_variable_section and assemble_variable_contents.
10806 (get_constant_alignment, get_constant_section, get_constant_size): New
10807 functions, split from output_constant_def_contents.
10808 (build_constant_desc): Create a block symbol if use_object_blocks_p
10809 says so. Or into SYMBOL_REF_FLAGS.
10810 (assemble_constant_contents): New function, split from...
10811 (output_constant_def_contents): ...here. Don't output any code
10812 for block symbols; just pass them to place_section_symbol.
10813 Use get_constant_section and get_constant_alignment.
10814 (force_const_mem): Create a block symbol if use_object_blocks_p and
10815 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10816 (output_constant_pool_1): Add an explicit alignment argument.
10817 Don't switch sections here.
10818 (output_constant_pool): Adjust call to output_constant_pool_1.
10819 Switch sections here instead. Don't output anything for block symbols;
10820 just pass them to place_block_symbol.
10821 (init_varasm_once): Initialize object_block_htab.
10822 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10823 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10824 (place_block_symbol, get_section_anchor, output_object_block)
10825 (output_object_block_htab, output_object_blocks): New functions.
10826 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10827 (TARGET_ASM_OUT): Include it.
10828 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10829 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10830 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10831 (TARGET_INITIALIZER): Include them.
10832 * rtl.c (rtl_check_failed_block_symbol): New function.
10833 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10834 (block_symbol, object_block): New structures.
10835 (rtx_def): Add a block_symbol field to the union.
10836 (BLOCK_SYMBOL_CHECK): New macro.
10837 (rtl_check_failed_block_symbol): Declare.
10838 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10839 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10840 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10841 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10842 * output.h (output_section_symbols): Declare.
10843 (object_block): Name structure.
10844 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10845 (default_use_anchors_for_symbol_p): Declare.
10846 * Makefile.in (RTL_BASE_H): Add vec.h.
10847 (explow.o): Depend on output.h.
10848 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10849 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10850 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10851 (rs6000_use_blocks_for_constant_p): New function.
10853 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10855 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10857 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10860 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10863 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10865 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10869 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10871 PR middle-end/26334
10872 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10873 instead of DECL_REGISTER.
10875 2006-02-18 Olivier Hainque <hainque@adacore.com>
10878 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10880 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10883 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10884 * opth-gen.awk: Handle Var and InverseMask together.
10885 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10886 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10887 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10888 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10890 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10891 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10892 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10893 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10894 LINUX_DYNAMIC_LINKER): Define.
10895 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10896 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10898 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10899 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10900 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10902 (TARGET_C99_FUNCTIONS): Don't define.
10903 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10904 GLIBC_DYNAMIC_LINKER.
10905 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10906 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10907 GLIBC_DYNAMIC_LINKER64): Define.
10908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10909 LINUX_DYNAMIC_LINKER64.
10910 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10912 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10914 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10916 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10917 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10918 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10920 and LINUX_DYNAMIC_LINKER32.
10921 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10923 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10925 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10927 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10928 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10929 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10930 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10931 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10932 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10933 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10934 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10935 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10936 LINUX_DYNAMIC_LINKER): Define.
10937 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10938 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10939 GLIBC_DYNAMIC_LINKER64): Define.
10940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10941 LINUX_DYNAMIC_LINKER64.
10942 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10943 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10944 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10945 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10946 LINUX_DYNAMIC_LINKER): Define.
10947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10948 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10949 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10950 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10951 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10952 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10953 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10954 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10955 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10956 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10958 * doc/invoke.texi (-muclibc): Remove caveat about supported
10961 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10963 * doc/cpp.texi (__TIMESTAMP__): Document.
10965 2006-02-17 Roger Sayle <roger@eyesopen.com>
10967 PR middle-end/25600
10968 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10969 C is one less than the width of X (and related transformations).
10970 * simplify-rtx.c (simplify_unary_operation_1): Transform
10971 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10972 depending on STORE_FLAG_VALUE, were C is one less then the
10975 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10977 Fix PR tree-optimization/26341
10978 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10979 about NAME_MEMORY_TAG's.
10981 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10984 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10985 with hardware float support, and software float support. Add fcpy
10986 alternative to hardware patterns. Add alternatives to copy between
10987 general and floating-point registers to the 32-bit pattern.
10988 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10989 secondary reload to load a QI or HI mode constant into a floating
10991 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10992 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10994 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10997 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10999 (load_macho_picbase_di): Likewise.
11001 2006-02-16 Jeff Law <law@redhat.com>
11003 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11004 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11005 (ssa_name_nonzero_p): Likewise.
11006 (get_value_range): Return NULL if VRP is not running.
11007 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11008 VRP routines do not discover a range.
11009 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11010 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11011 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11012 (tree_expr_nonnegative_p): Similarly.
11013 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11014 (restore_nonzero_vars_to_original_value): Remove.
11015 (unsafe_associative_fp_binop): Remove.
11016 (tree_ssa_dominator_optimize): Remove initialization and
11017 finalization of nonzero_vars and nonzero_vars_stack.
11018 (dom_opt_initialize_block): No longer push marker on
11019 nonzero_vars_stack.
11020 (dom_opt_finalize_block): No longer call
11021 restore_nonzero_vars_to_original_value.
11022 (record_equivalences_from_phis): No longer look for
11023 nonzero PHI arguments.
11024 (cprop_into_successor_phis): No longer propagate nonzero
11025 property into PHI arguments. Lose unused argument. Caller
11027 (record_equivalences_from_stmt): No longer record nonzero
11028 values for SSA_NAMEs.
11029 (lookup_avail_expr): No longer use nonzero_vars.
11031 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11032 for sizetype when sizetype is unsigned.
11034 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11036 PR rtl-optimization/25603
11037 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11038 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11039 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11040 with new meaning of SETS.
11042 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11047 * config/linux.opt: New file.
11048 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11049 LINUX_DYNAMIC_LINKER): Define.
11050 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11051 * config.gcc (*-*-linux*): Define extra_options.
11052 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11053 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11054 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11055 GLIBC_DYNAMIC_LINKER.
11056 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11057 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11058 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11060 * doc/invoke.texi (GNU/Linux Options): New section.
11062 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11064 * config/sparc/sparc.md (setjmp): Rewrite.
11065 (setjmp_32): Delete.
11066 (setjmp_64): Likewise.
11068 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11070 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11073 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11075 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11078 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11080 PR rtl-optimization/26296
11081 * Makefile.in (loop-invariant.c): Add except.h dependency.
11082 * loop-invariant.c: Include except.h.
11083 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11085 2005-02-16 Paul Brook <paul@codesourcery.com>
11087 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11090 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11092 PR rtl-optimization/25636
11093 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11094 when deciding whether an insn is an initializing insn.
11096 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11098 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11099 (tree_code_size): Ditto.
11100 * tree.h (struct tree_memory_tag): Remove parent_var.
11101 (struct tree_struct_field_tag): New.
11104 (union tree_node): Add sft member.
11105 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11107 (create_sft): Add size and offset argument, set SFT_OFFSET and
11109 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11110 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11111 * tree-flow-inline.h (get_subvar_at): Update for
11112 SFT_OFFSET/SFT_SIZE.
11113 (var_can_have_subvars): Ditto.
11114 (overlap_subvar): Ditto.
11115 * print-tree.c (print_node): Print out interesting things for
11117 * tree-flow.h (struct subvar): Remove offset and size members.
11118 * tree-ssa-operands.c (get_expr_operands): Update for
11119 get_indirect_ref_operands changes.
11120 (get_indirect_ref_operands): Call add_virtual_operand instead of
11121 add_stmt_operand. Only recurse on base var if requested.
11122 (access_can_touch_variable): New function.
11123 (add_stmt_operand): Split virtual operand handling into ...
11124 (add_virtual_operand): Here. Add offset, size, and for_clobber
11125 arguments. Prune alias sets.
11126 (add_call_clobber_ops): Call add_virtual_operand.
11128 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11130 PR middle-end/26300
11131 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11133 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11134 than TREE_CODE as index into omp_clause_num_ops array.
11136 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11138 PR rtl-optimization/26184
11139 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11141 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11142 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11143 must_precede, must_follow and tobe_scheduled.
11146 * opts.c (common_handle_option): Free new_option pointer.
11147 * df-core.c (df_analyze): Free postorder pointer.
11149 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11151 * Makefile.in: Fix the examples about the use of stamps
11153 2006-02-15 Michael Matz <matz@suse.de>
11155 PR middle-end/22275
11157 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11158 influenced by maximum_field_alignment or DECL_PACKED.
11159 (update_alignment_for_field): Ditto.
11160 (place_field): Ditto.
11161 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11164 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11166 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11167 (debug_flow_info): Pass it.
11168 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11169 * bb-reorder.c (reorder_basic_blocks): Likewise.
11170 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11171 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11172 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11173 * gcse.c (gcse_main, bypass_jumps): Likewise.
11174 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11175 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11176 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11177 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11178 * rtl.h (dump_flow_info): Adjust prototype.
11179 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11180 * var-tracking.c (variable_tracking_main): Likewise.
11181 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11182 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11185 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11187 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11190 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11192 PR tree-optimization/26209
11193 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11194 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11196 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11198 2006-02-14 Roger Sayle <roger@eyesopen.com>
11200 PR middle-end/23670
11201 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11202 (X,Y) and the corresponding symmetry related transformations.
11203 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11204 (X,Y) and its symmetry related transformations.
11206 2006-02-14 Roger Sayle <roger@eyesopen.com>
11208 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11211 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11213 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11215 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11218 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11219 support COMDAT group.
11220 * configure: Regenerate.
11222 2006-02-14 Roger Sayle <roger@eyesopen.com>
11224 PR middle-end/26279
11225 PR middle-end/26280
11226 PR middle-end/26283
11227 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11229 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11231 Fix PR tree-optimization/26260
11233 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11235 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11236 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11237 * tree-ssa-structalias.c (create_variable_info_for): Use
11238 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11240 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11242 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11244 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11245 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11246 of the ending condition.
11247 * tree-ssa-loop-manip.c: Include params.h.
11248 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11249 tree_unroll_loop): New functions.
11250 * tree-pass.h (pass_loop_prefetch): Declare.
11251 * loop.c (rest_of_handle_loop_optimize): Test for
11252 -fprefetch-loop-arrays-rtl.
11253 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11254 * timevar.def (TV_TREE_PREFETCH): New timevar.
11255 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11256 pass_loop_prefetch): New.
11257 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11258 (cleanup_tree_cfg_loop): Call scev_reset.
11259 * common.opt (fprefetch-loop-arrays-rtl): Add.
11260 * tree-ssa-loop-prefetch.c: New file.
11261 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11262 (new_temp_expr_table): Initialize expr_vars.
11263 (free_temp_expr_table): Cleanup expr_vars.
11264 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11265 expressions from being merged into one.
11266 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11267 (struct tree_niter_desc): Add control, bound and cmp fields.
11268 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11270 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11271 (tree-cfgcleanup.o): Add SCEV_H dependency.
11272 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11273 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11275 2006-02-14 Richard Guenther <rguenther@suse.de>
11277 PR tree-optimization/26258
11278 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11279 in PHI argument processing.
11281 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11283 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11284 new expression in the requested machine mode.
11286 2006-02-13 Roger Sayle <roger@eyesopen.com>
11288 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11289 directly, instead let do_compare_rtx_and_jump handle this for us.
11290 * expr.c (expand_expr_real_1): Likewise.
11291 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11292 before do_jump_by_parts_greater.
11293 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11294 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11296 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11298 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11300 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11302 PR rtl-optimization/26235
11303 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11304 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11307 2006-02-13 Jeff Law <law@redhat.com>
11309 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11312 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11314 PR middle-end/26092
11315 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11316 twice if decl is a builtin. When trying again, call get_callee_fndecl
11317 first to verify it is still a builtin.
11319 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11321 * dwarf2out.c (base_type_die): Don't add AT_name here.
11322 (subrange_type_die): Don't add AT_name here.
11323 (modified_type_die): Rearrange code flow. Do add AT_name here.
11325 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11327 PR rtl-optimization/26247
11328 PR rtl-optimization/26248
11329 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11331 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11333 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11334 * config/fixtfdi.c: Likewise.
11335 * config/fixunstfdi.c: Likewise.
11336 * config/floatditf.c: Likewise.
11338 2006-02-13 Roger Sayle <roger@eyesopen.com>
11340 PR middle-end/24427
11341 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11342 into (X,C2) if C1 is a subset of the bits of C2. Transform
11343 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11345 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11347 2006-02-13 Josh Conner <jconner@apple.com>
11350 * varasm.c (function_section): Check for section name before
11351 calling select_section on targets that define
11352 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11353 unlikely_text_section instead of hot_function_section if
11354 first_function_block_is_cold.
11356 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11358 PR middle-end/25335
11359 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11361 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11363 PR rtl-optimization/26222
11364 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11365 after tree->rtl expansion.
11366 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11367 before passing it to emit_move_insn.
11369 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11371 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11373 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11374 Clarify documentation.
11375 * c-common.h (warn_write_strings): Remove.
11376 * c-common.c (warn_write_strings): Likewise.
11377 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11380 2006-02-12 Roger Sayle <roger@eyesopen.com>
11382 PR middle-end/25724
11383 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11384 (do_jump_parts_zero_rtx): New function renamed from
11385 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11386 (do_jump_parts_equality_rtx): New function split out from
11387 do_jump_parts_equality. Old implementation renamed as above.
11388 Call do_jump_parts_zero_rtx if either operand is zero.
11389 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11390 do all of the heavy lifting.
11391 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11392 calling either do_jump_by_parts_greater_rtx or
11393 do_jump_by_parts_equality_rtx.
11394 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11395 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11396 moved to do_compare_rtx_and_jump, call it directly.
11397 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11398 mode argument. Call do_compare_rtx_and_jump.
11399 (emit_case_nodes): Update calls to do_jump_if_equal.
11401 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11403 PR rtl-optimization/26225
11404 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11406 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11408 PR rtl-optimization/26232
11409 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11411 2006-02-11 Jason Merrill <jason@redhat.com>
11414 * tree-inline.c (declare_return_variable): Just don't use the
11415 modify target if it's a gimple complex reg and the return slot
11418 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11420 * doc/contrib.texi: Update my entry.
11422 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11424 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11426 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11428 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11431 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11433 * doc/invoke.texi (-floop-optimize2): Removed.
11434 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11435 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11436 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11437 * common.opt (floop-optimize2): Removed.
11438 (fmove-loop-invariants): Enabled by default.
11440 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11442 * tree-if-conv.c (combine_blocks): Free the result of
11443 get_loop_exit_edges.
11445 2006-02-10 Jeff Law <law@redhat.com>
11447 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11449 PR tree-optimization/26213
11450 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11451 loop trying to follow SSA_NAME_VALUE chains.
11453 2006-02-10 Richard Guenther <rguenther@suse.de>
11455 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11456 deal with structures that end in implicitly variable sized arrays.
11458 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11460 PR rtl-optimization/24762
11461 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11464 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11466 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11467 (struct ivopts_data): Add regs_used field.
11468 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11469 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11470 instead of loop_data->regs_used;
11471 (free_loop_data): Do not free aux fields for loops.
11472 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11473 and tree_ssa_iv_optimize_finalize.
11475 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11477 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11479 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11482 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11483 computing the effective result type.
11485 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11487 PR inline-asm/16194
11488 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11489 (tree_overlaps_hard_reg_set): Declare.
11490 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11491 type and signature to match function type expected by walk_tree.
11492 (tree_overlaps_hard_reg_set): New function.
11493 (decl_conflicts_with_clobbers_p): Rename to:
11494 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11495 Use tree_overlaps_hard_reg_set. Changed caller.
11496 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11497 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11498 * cris.c (cris_md_asm_clobbers): Likewise.
11500 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11502 * reload1.c (emit_input_reload_insns): Delete code that tries to
11503 inherit using find_equiv_reg.
11505 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11507 * c-common.h (flag_const_strings): Don't declare.
11508 * c-common.c (flag_const_strings): Remove.
11509 * c.opt (fconst_strings): Remove.
11510 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11511 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11512 (c_common_init_options): Don't set flag_const_strings.
11513 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11515 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11517 * arm.md (tlobits_cbranch): New pattern.
11518 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11519 testing a single bit.
11521 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11524 * tree-ssa-pre.c (create_component_ref_by_pieces):
11525 Handle RETURN_DECL like VAR_DECL.
11527 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11529 PR middle-end/26134
11530 * fold-const.c (fold_indirect_ref_1): Fold
11531 "*(foo *)&complexfoo" to "__real__ complexfoo"
11532 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11534 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11536 * tree-flow-inline.h (var_can_have_subvars):
11537 Volatile variables should not have subvariables.
11539 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11542 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11543 multiplying unsigned values.
11546 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11548 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11550 2006-02-08 Jason Merrill <jason@redhat.com>
11553 * tree.def: Elaborate on difference from MODIFY_EXPR.
11554 * doc/c-tree.texi (INIT_EXPR): Likewise.
11555 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11556 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11557 (gimplify_target_expr): Likewise.
11558 (gimplify_cond_expr): Remove target handling.
11559 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11560 (gimplify_expr): Clobber it here.
11561 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11562 Do return slot optimization if we have an INIT_EXPR.
11565 * tree-inline.c (declare_return_variable): Also clear
11566 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11569 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11571 PR middle-end/22439
11572 * gimplify.c (gimplify_one_sizepos): Fix typo.
11574 2006-02-08 Jeff Law <law@redhat.com>
11576 PR tree-optimization/21417
11577 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11578 across a backedge if the control statement at the end of the
11579 block is data dependent on other statements in the same block.
11580 (record_temporary_equivalences_from_stmts): Remove over-conservative
11581 test for threading across backedges.
11583 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11584 control statement, handle all three special cases in the same
11585 manner as they all have the same desired solution. No longer
11586 special case edge flag updating when the post dominator is
11589 2006-02-08 Roger Sayle <roger@eyesopen.com>
11591 * tree.def (CHAR_TYPE): Remove.
11592 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11593 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11594 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11595 (gen_string_type_die): Delete unreachable function.
11597 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11598 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11599 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11600 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11601 * builtins.c (type_to_class): Likewise.
11602 * fold-const.c (fold_convert, build_range_check,
11603 merge_ranges): Likewise.
11604 * expr.c (count_type_elements): Likewise.
11605 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11606 * stor-layout.c (layout_type): Likewise.
11607 * ipa-type-escape.c (type_to_consider): Likewise.
11608 * gimplify.c (omp_firstprivatize_type_sizes,
11609 gimplify_type_sizes): Likewise.
11610 * explow.c (promote_mode): Likewise.
11611 * tree-sra.c (is_sra_scalar_type): Likewise.
11612 * varasm.c (output_constant): Likewise.
11613 * tree-inline.c (remap_type_1): Likewise.
11614 * convert.c (convert_to_pointer, convert_to_real,
11615 convert_to_integer, convert_to_complex): Likewise.
11617 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11619 * df-scan.c (df_def_record_1): A set destination may
11620 be a parallel regardless of mode.
11622 2006-02-08 Roger Sayle <roger@eyesopen.com>
11625 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11626 * config/mips/_tilib.c: Remove.
11627 * config/fixtfdi.c: New libgcc source file.
11628 * config/fixunstfdi.c: New source file.
11629 * config/floatditf.c: New source file.
11630 * config/floatunditf.c: New souce file.
11631 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11632 files above instead of config/mips/_tilib.c.
11633 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11635 2006-02-08 Jeff Law <law@redhat.com>
11637 PR tree-optimization/26169
11638 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11641 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11643 * df.h (DF_REG_SIZE): Return the length of the initialized
11646 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11648 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11649 __muldf3): Return a correctly signed zero.
11651 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11653 * passes.c (register_one_dump_file): Accept the current properties
11654 instead of pass number. Adjust call to dump_register. Remove
11656 (register_dump_files): Now a wrapper around...
11657 (register_dump_files_1): ... this one. Do not modify the pass
11659 (next_pass_1): Cosmetic fix.
11660 (execute_todo): Keep second parameter only. Use curr_properties
11661 instead of fetching it from the pass structure. Check and set
11663 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11664 instead of fetching it from the pass structure. Fix calls to
11665 execute_todo. Update curr_properties and initialize .vcg RTL dump
11666 after running the pass. Reset last_verified.
11667 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11669 (FIRST_AUTO_NUMBERED_DUMP): New.
11670 (dump_register): Remove "num" parameter, assign it within the
11672 (get_dump_file_name): Modify template for dumps.
11673 * tree-dump.h (dump_register): Adjust prototype.
11674 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11675 (PROP_trees): Add PROP_gimple_lomp.
11676 (TODO_set_props): New.
11677 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11678 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11679 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11681 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11683 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11684 (sparc64-*-linux*): Likewise.
11685 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11686 * config/sparc/t-linux: New file.
11687 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11688 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11689 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11690 -m32 -mlong-double-128.
11692 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11693 * config/alpha/t-linux: New file.
11694 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11696 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11697 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11698 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11699 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11700 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11701 (CPP_ARCH32_SPEC): Remove.
11703 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11705 PR tree-optimization/26145
11706 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11709 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11712 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11713 >= 240000 when generating code for SOM runtime.
11714 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11715 to $$dyncall when generating code for SOM runtime..
11717 2006-02-07 Dirk Mueller <dmueller@suse.com>
11720 * doc/invoke.texi (-Wsequence-point): Update documentation
11721 that -Wsequence-point is implemented for C++ as well.
11723 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11725 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11726 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11727 (LIB_SPEC): Likewise.
11728 * doc/invoke.texi (SPARC options): Document -pthread.
11730 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11732 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11735 2006-02-07 Roger Sayle <roger@eyesopen.com>
11737 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11738 Correct comment describing BOOLEAN_TYPE.
11740 2006-02-07 Dirk Mueller <dmueller@suse.com>
11742 * c.opt: C++ frontend supports -Wdiv-by-zero.
11743 * c-opts.c (c_common_handle_option): Remove dead case.
11745 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11747 * configure.ac (TLS assembler check): Do not enable TLS by
11748 default on SPARC/Solaris before version 10.
11749 * configure: Regenerate.
11751 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11753 * doc/invoke.texi (xl-compat): Document conversion and support
11756 2006-02-07 Jeff Law <law@redhat.com>
11758 * tree-vrp.c (find_conditional_asserts): Update comments.
11759 (simplify_stmt_for_jump_threading): New.
11760 (identify_jump_threads, finalize_jump_threads): New.
11761 (vrp_finalize): Call identify_jump_threads.
11762 (execute_vrp): Call finalize_jump_threads.
11763 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11764 (vrp_element, vrp_data, vrp_element_p): Remove.
11765 (vrp_hash_elt, vrp_variables_stack): Remove.
11766 (vrp_hash, vrp_eq, record_range): Remove.
11767 (simplify_cond_and_lookup_avail_expr): Remove.
11768 (extract_range_from_cond): Remove.
11769 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11770 (simplify_stmt_for_jump_threading): New.
11771 (dom_thread_across_edge): New wrapper.
11772 (tree_ssa_dominator_optimize): No longer initialize or
11773 finalize any of the VRP datastructures. Remove iteration
11774 step and simplify as a result of removal of iteration step.
11775 (pass_dominator): Perform a cfg cleanup after DOM.
11776 (dom_opt_finalize_block): Use the new common routines
11777 for threading jumps. Simplify stack management slightly.
11778 No longer need to unwind VRP state.
11779 (record_equivalences_from_incoming_edge): No longer record
11781 (eliminate_redundant_computations): No longer call
11782 simplify_cond_and_lookup_avail_expr.
11783 * tree-flow.h (potentially_threadable_block): Prototype.
11784 (thread_across_edge): Likewise.
11785 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11786 (tree-ssa-threadedge.o): Add dependencies.
11787 * tree-ssa-threadedge.c: New file.
11788 * passes.c (init_optimization_passes): Merge PHIs before
11789 calling VRP. Run VRP again late in the SSA optimization pipeline.
11791 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11793 * df-core.c (df_set_blocks): Do not dereference function pointers.
11794 (df_finish1): Likewise.
11795 (df_hybrid_search_forward): Likewise.
11796 (df_hybrid_search_backward): Likewise.
11797 (df_iterative_dataflow): Likewise.
11798 (df_analyze_problem): Likewise.
11799 (df_compact_blocks): Likewise.
11800 (df_dump): Likewise.
11801 * df-scan.c (df_rescan_blocks): Likewise.
11802 (df_record_entry_block_defs): Likewise.
11804 * genconditions.c (write_conditions): Guard the definition of
11805 'insn_conditions' with the check on GCC version.
11806 (write_writer): Guard the traversal 'insn_conditions' with
11807 the check on GCC version.
11809 2006-02-07 Richard Guenther <rguenther@suse.de>
11813 2006-01-30 Richard Guenther <rguenther@suse.de>
11815 * gimplify.c (gimplify_target_expr): Handle easy cases
11816 without creating a temporary.
11818 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11820 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11821 use of float in probability computations. Use edge probabilities
11822 in place of statically computed probabilities.
11823 (min_spec_prob): New static variable.
11824 (schedule_insns): Initialize it.
11825 (GET_SRC_PROB): Removed.
11826 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11828 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11831 * config/ia64/unwind-ia64.c: Revert last change.
11832 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11833 (INCOMING_FRAME_SP_OFFSET): Define.
11835 2006-02-06 Roger Sayle <roger@eyesopen.com>
11837 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11839 2006-02-07 Ben Elliston <bje@au.ibm.com>
11841 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11842 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11843 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11844 (ix86_return_in_memory): Handle TDmode.
11845 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11846 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11848 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11850 * reorg.c (dbr_schedule): Use dump_file instead of file.
11852 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11855 * config/ia64/predicates.md (extr_len_operand): New predicate.
11856 * config/ia64/ia64.md (extv): Tighten constraints.
11858 (*tbit_and_2): Ditto.
11859 (*tbit_and_3): Ditto.
11860 (*tbit_or_2): Ditto.
11861 (*tbit_or_3): Ditto.
11862 (*bit_zero): Ditto.
11865 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11868 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11870 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11872 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11873 loop_optimizer_init and loop_optimizer_finalize
11874 * tree-ssa-sink.c (execute_sink_code): Ditto.
11875 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11876 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11877 tree_ssa_loop_done): Ditto.
11878 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11879 * sched-ebb.c: Include output.h.
11880 (schedule_ebbs): Do not use dump argument.
11881 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11882 * loop.c (loop_dump_stream): Removed.
11883 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11885 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11886 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11887 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11888 loop_iterations, strength_reduce, record_biv, record_giv,
11889 final_giv_value, check_final_value, check_ext_dependent_givs,
11890 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11891 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11892 dump_file instead of loop_dump_stream.
11893 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11894 argument dump_file.
11895 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11897 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11898 * haifa-sched.c: Include output.h
11899 (schedule_insns, sched_init): Do not use dump argument.
11900 * mode-switching.c (optimize_mode_switching): Ditto.
11901 * modulo-sched.c (stats_file): Removed.
11902 (print_node_sched_params): Do not call argument dump_file.
11903 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11904 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11906 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11908 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11909 rtl_loop_init, rtl_loop_done): Ditto.
11910 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11911 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11913 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11914 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11915 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11916 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11917 * emit-rtl.c (renumber_insns): Ditto.
11918 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11919 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11920 * regclass.c (regclass): Ditto.
11921 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11922 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11923 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11924 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11926 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11927 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11929 * gcse.c (gcse_file, debug_stderr): Removed.
11930 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11931 rest_of_handle_gcse): Do not use dump argument.
11932 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11933 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11934 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11935 compute_code_hoist_vbeinout, compute_code_hoist_data,
11936 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11937 compute_store_table, build_store_vectors, insert_insn_start_bb,
11938 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11939 store_motion): Use dump_file instead of gcse_file.
11940 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11941 * profile.c (profile_dump_file): Removed.
11942 (branch_prob): Use dump_file instead of profile_dump_file.
11943 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11945 * tree-ssa-copy.c (dump_copy_of): Ditto.
11946 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11947 dump file to life_analysis.
11948 * bt-load.c (branch_target_load_optimize): Ditto.
11949 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11951 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11952 regclass, dbr_schedule): Declaration changed.
11953 * sched-int.h (sched_init): Declaration changed.
11954 * tree-profile.c (tree_profile_dump_file): Removed.
11955 (tree_profile_hooks): Removed profile_dump_file hook.
11956 * rtl-profile (rtl_profile_dump_file): Removed.
11957 (rtl_profile_hooks): emoved profile_dump_file hook.
11958 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11960 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11961 * tree-cfg.c (build_tree_cfg): Ditto.
11962 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11963 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11964 Declaration changed.
11965 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11966 life_analysis and schedule_insns.
11967 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11969 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11971 * config/mips/mips.c (mips_reorg): Ditto.
11972 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11975 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11977 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11978 (s390_mangle_fundamental_type): New.
11979 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11982 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11983 (alpha_mangle_fundamental_type): New.
11984 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11987 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11989 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11991 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11992 (sparc_mangle_fundamental_type): New.
11994 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11996 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11997 (s390x-*-linux*): Likewise.
11998 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11999 * config/s390/t-linux: New file.
12001 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12003 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12004 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12006 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12008 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12009 (ANTIC_SAFE_LOADS): New macro.
12010 (find_or_generate_expression): Add prototype.
12011 (set_contains_value): Allow null set for sake of not always having
12012 to allocate ANTIC_SAFE_LOADS.
12013 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12014 Allow COMPONENT_REF too.
12015 (valid_in_set): Allow COMPONENT_REF.
12016 Check ANTIC_SAFE_LOADS too.
12017 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12018 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12020 (can_PRE_operation): Add COMPONENT_REF.
12021 (create_component_ref_by_pieces): New function.
12022 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12023 (insert_aux): Move AGGREGATE_TYPE_P check here.
12024 (compute_avail): Set bb local stmt uids.
12025 (pass_pre): Use TODO_update_ssa_only_virtuals.
12027 2006-02-06 Ben Elliston <bje@au.ibm.com>
12029 * configure.ac: Unconditionally disable decimal float by default.
12030 * configure: Regenerate.
12032 2006-02-06 Ben Elliston <bje@au.ibm.com>
12034 * read-rtl.c (read_name): Terminate reading on EOF.
12036 2006-02-06 Ben Elliston <bje@au.ibm.com>
12038 * dfp.c (decimal_real_arithmetic): Change second argument type
12039 from int to enum tree_code. Do not always return true, but now
12040 return result of any call to decimal_do helper functions.
12041 * dfp.h (decimal_real_arithmetic): Update prototype.
12043 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12045 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12047 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12050 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12053 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12055 * tree-vrp.c (cfg_loops): Removed.
12056 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12057 Use current_loops instead of cfg_loops. Pass flags to
12058 loop_optimizer_init.
12059 * cfgloopmanip.c (fix_loop_structure): Update only available
12061 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12062 loop_optimizer_init.
12063 * modulo-sched.c (build_loops_structure): Removed.
12064 (sms_schedule): Use loop_optimizer_init.
12065 * loop-init.c (loop_optimizer_init): Use flags to determine
12066 which properties of loops to prepare.
12067 (rtl_loop_init): Pass flags to loop_optimizer_init.
12068 * tree-ssa-sink.c (execute_sink_code): Ditto.
12069 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12070 * tree-ssa-pre.c (init_pre): Ditto.
12071 * cfgloop.h (LOOPS_NORMAL): New.
12072 (loop_optimizer_init): Declaration changed.
12074 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12076 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12077 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12079 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12081 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12083 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12084 * pa/t-pa64: Delete quadlib.c rule.
12085 * pa/x-ada: Revert last change.
12086 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12088 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12090 PR rtl-optimization/26087
12091 * rtlanal.c (canonicalize_condition): Do not cross basic block
12094 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12097 * config/ia64/ia64.c: Include debug.h.
12098 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12099 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12100 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12101 (process_epilogue, process_set, process_for_unwind_directive):
12102 Output unwind info only if requested. Add CFA info if requested.
12103 Add new arguments as needed. Adjust callers.
12104 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12106 (DWARF2_FRAME_INFO): Define to zero.
12107 * config/ia64/unwind-ia64.c: Remove code that compensated for
12108 the CFA offset error fixed above.
12109 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12110 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12111 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12112 -funwind-tables and -fexceptions to enable frame info.
12113 (dwarf2out_frame_init): Define initial CFA even if
12114 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12115 DWARF2_UNWIND_INFO is nonzero, not just defined.
12116 (dwarf2out_frame_finish): Output non-EH call frame info only
12117 if DWARF2_FRAME_INFO is nonzero.
12118 (convert_cfa_to_loc_list,
12119 compute_frame_pointer_to_cfa_displacement): Define even if
12120 unwind info is not supported.
12121 (gen_subprogram_die): Use the above unconditionally. Remove
12122 legacy alternate code.
12123 * toplev.c (compile_file): Compile in call to
12124 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12125 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12127 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12128 Jakub Jelinek <jakub@redhat.com>
12130 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12131 IBM extended float format long double as "g" on powerpc*-linux.
12133 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12136 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12137 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12139 2006-02-03 Jason Merrill <jason@redhat.com>
12142 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12144 PR middle-end/25977
12145 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12146 on the return slot if it's an NRV.
12148 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12150 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12151 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12152 rewrite_use): Do not handle USE_OUTER.
12153 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12154 add_iv_outer_candidates, may_replace_final_value,
12155 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12156 (find_interesting_uses_op): Functionality of
12157 find_interesting_uses_outer_or_nonlin moved here.
12158 (find_interesting_uses_outside): Use find_interesting_uses_op.
12160 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12163 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12165 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12166 Ulrich Weigand <uweigand@de.ibm.com>
12169 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12170 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12171 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12172 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12174 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12175 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12176 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12177 Define secondary reloads for TFmode moves.
12178 (constant_modes): Add TFmode.
12179 (NR_C_MODES): Set to 8.
12180 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12182 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12183 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12184 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12185 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12186 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12187 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12188 (FPR mode macro): Add TFmode.
12189 (DSF mode macro): New.
12190 (<de>, <dee> mode attributes): Removed.
12191 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12192 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12193 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12194 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12195 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12196 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12197 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12198 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12199 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12200 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12201 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12202 "*negabs<mode>2", "sqrt<mode>2"):
12203 Changed <de> to <xde>. R constraint replaced by <Rf>.
12204 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12206 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12207 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12208 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12210 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12211 "extenddftf2", "extendsftf2"): New expanders.
12212 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12213 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12214 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12215 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12217 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12218 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12219 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12220 __floatditf): Add a GCC_4.1.0 symbol version tag.
12221 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12224 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12227 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12228 Use targetm.binds_local_p instead of TREE_PUBLIC.
12230 2006-02-02 Roger Sayle <roger@eyesopen.com>
12232 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12233 on INTEGER_TYPEs to indicate that it denotes a character type.
12234 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12235 signed_char_type_node, unsigned_char_type_node and char_type_node.
12236 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12237 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12238 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12240 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12241 Daniel Berlin <dberlin@dberlin.org>
12243 * tree-tailcall.c (arg_needs_copy_p): New function.
12244 (eliminate_tail_call): Use arg_needs_copy_p.
12245 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12246 (add_virtual_phis): New function.
12248 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12250 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12251 #ignore instead of #scratch for %g7 .register directive.
12253 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12255 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12258 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12260 * flow.c (calculate_global_regs_live): Assert that there aren't any
12263 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12265 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12266 what its name says.
12267 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12268 bsi_after_labels iterator.
12269 * tree-if-conv.c (find_phi_replacement_condition,
12270 replace_phi_with_cond_modify_expr): Likewise.
12271 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12272 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12274 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12276 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12278 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12281 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12282 array after growing it.
12284 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12286 PR middle-end/24901
12287 * fold-const.c (fold_checksum_tree): Change type of buf.
12289 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12291 * reload.c (push_secondary_reload): Initialize t_icode.
12293 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12295 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12296 -msoft-float -mlong-double-128 only issue a warning, but don't
12297 swich to DFmode long double.
12299 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12301 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12302 has a constant equivalent, iterate over equivalents for arg0,
12303 calling simplify_relational_operation and if there's a result
12304 cheaper than X, apply fold_rtx and return the result.
12306 2006-02-01 Jan Hubicka <jh@suse.cz>
12308 * opts.c (no_unit_at_a_time_default): New global variable.
12309 (decode_options): Use it.
12310 * opts.h (no_unit_at_a_time_default): Declare.
12312 2006-02-01 Paul Brook <paul@codesourcery.com>
12314 * function.c (assign_parm_setup_reg): Use function argument promotion
12316 * expr.c (expand_expr_real_1): Use function argument promotion rules
12319 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12321 * gcc.c (process_command): Change j to 'unsigned int'.
12323 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12325 PR middle-end/26001
12326 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12327 Use the corrected index for the character
12328 out of the string constant.
12330 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12332 * mode-switching.c (optimize_mode_switching): Fix size
12333 allocated for bb_info[n_entities].
12335 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12337 * gcc.c (main): Correct type that is allocated for
12338 explicit_link_files.
12340 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12342 * config/s390/s390.c (init_alignment_context): Set
12343 ALIAS_SET_MEMORY_BARRIER on the MEM.
12344 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12346 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12348 PR middle-end/25933
12349 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12351 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12354 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12356 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12357 * regrename.c: Ditto.
12358 * tree-ssa-loop-im.c: Ditto.
12359 * tree-dump.c: Ditto.
12360 * tree-complex.c: Ditto.
12361 * genrecog.c: Ditto.
12362 * tree-ssa-threadupdate.c: Ditto.
12364 * java/class.c: Ditto.
12365 * java/jcf-parse.c: Ditto.
12366 * java/resource.c: Ditto.
12367 * java/except.c: Ditto.
12368 * java/jvspec.c: Ditto.
12369 * java/jcf-write.c: Ditto.
12370 * java/jcf-path.c: Ditto.
12371 * java/gjavah.c: Ditto.
12372 * java/zextract.c: Ditto.
12373 * java/jcf-io.c: Ditto.
12374 * java/jcf.h: Ditto.
12375 * java/buffer.c: Ditto.
12376 * java/lang.c: Ditto.
12377 * java/parse-scan.y: Ditto.
12378 * java/lex.c: Ditto.
12379 * java/lex.h: Ditto.
12380 * cfgloopmanip.c: Ditto.
12381 * postreload-gcse.c: Ditto.
12382 * tree-ssa-loop-manip.c: Ditto.
12383 * postreload.c: Ditto.
12384 * tree-ssa-loop-ch.c: Ditto.
12387 * cppspec.c: Ditto.
12388 * diagnostic.c: Ditto.
12390 * genoutput.c: Ditto.
12392 * cfghooks.c: Ditto.
12393 * cfgloopanal.c: Ditto.
12394 * objc/objc-act.c: Ditto.
12396 * genextract.c: Ditto.
12397 * genautomata.c: Ditto.
12398 * pretty-print.c: Ditto.
12399 * genemit.c: Ditto.
12400 * cgraphunit.c: Ditto.
12402 * df-scan.c: Ditto.
12403 * haifa-sched.c: Ditto.
12404 * dominance.c: Ditto.
12406 * tree-ssa-loop-ivopts.c: Ditto.
12407 * df-core.c: Ditto.
12408 * mode-switching.c: Ditto.
12409 * modulo-sched.c: Ditto.
12411 * ipa-pure-const.c: Ditto.
12413 * fix-header.c: Ditto.
12415 * tree-stdarg.c: Ditto.
12416 * ipa-utils.c: Ditto.
12417 * loop-init.c: Ditto.
12418 * ipa-inline.c: Ditto.
12419 * cfganal.c: Ditto.
12421 * alloc-pool.c: Ditto.
12422 * dwarf2out.c: Ditto.
12424 * genattrtab.c: Ditto.
12425 * tree-ssa-loop-ivcanon.c: Ditto.
12426 * predict.c: Ditto.
12427 * timevar.c: Ditto.
12429 * fortran/gfortranspec.c: Ditto.
12430 * regmove.c: Ditto.
12431 * local-alloc.c: Ditto.
12432 * langhooks.c: Ditto.
12433 * function.c: Ditto.
12434 * tree-vectorizer.c: Ditto.
12436 * ipa-type-escape.c: Ditto.
12438 * tree-if-conv.c: Ditto.
12439 * profile.c: Ditto.
12441 * tree-data-ref.c: Ditto.
12442 * loop-unroll.c: Ditto.
12443 * treelang/treetree.c: Ditto.
12445 * bt-load.c: Ditto.
12446 * ggc-common.c: Ditto.
12448 * coverage.c: Ditto.
12450 * tree-cfgcleanup.c: Ditto.
12451 * tree-ssa-pre.c: Ditto.
12452 * cfgcleanup.c: Ditto.
12453 * loop-invariant.c: Ditto.
12454 * loop-iv.c: Ditto.
12455 * ipa-prop.c: Ditto.
12456 * print-tree.c: Ditto.
12457 * conflict.c: Ditto.
12458 * ggc-page.c: Ditto.
12459 * sched-deps.c: Ditto.
12460 * regclass.c: Ditto.
12461 * tree-object-size.c: Ditto.
12462 * combine.c: Ditto.
12463 * bb-reorder.c: Ditto.
12464 * resource.c: Ditto.
12465 * var-tracking.c: Ditto.
12466 * cfgloop.c: Ditto.
12467 * df-problems.c: Ditto.
12468 * reg-stack.c: Ditto.
12470 * gccspec.c: Ditto.
12471 * sched-rgn.c: Ditto.
12472 * tree-ssa-structalias.c: Ditto.
12473 * tree-ssa-reassoc.c: Ditto.
12474 * config/darwin-c.c: Ditto.
12475 * config/darwin.c: Ditto.
12476 * config/arm/arm.c: Ditto.
12478 * collect2.c: Ditto.
12479 * reload1.c: Ditto.
12481 2006-01-31 Nicolas Pitre <nico@cam.org>
12483 * arm.md (smaxsi3): Make aware of smax_m1.
12486 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12488 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12490 2006-01-31 Richard Guenther <rguenther@suse.de>
12492 * doc/invoke.texi (-msselibm): Document.
12493 * target.h (expand_library_builtin): New target hook.
12494 * builtins.c (expand_builtin): Use expand_library_builtin.
12495 (default_expand_library_builtin): New function.
12496 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12497 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12498 (link_gcc_math_spec): Declare.
12499 (static_specs): Add link_gcc_math_spec.
12500 * expr.h (default_expand_library_builtin): Declare.
12501 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12502 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12503 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12504 * config/i386/i386.opt (msselibm): New target option.
12505 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12506 (ix86_init_sse_abi_builtins): New function.
12507 (ix86_expand_library_builtin): Likewise.
12508 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12509 (override_options): Handle error conditions wrt -msselibm.
12510 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12511 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12512 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12515 2006-01-31 Richard Guenther <rguenther@suse.de>
12516 Paolo Bonzini <bonzini@gnu.org>
12518 * doc/install.texi (--disable-libgcc-math): Document.
12520 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12522 * expr.h (expand_normal): new inline function.
12523 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12524 * dojump.c: use it.
12525 * dwarf2out.c: use it.
12528 * expmed.c: use it.
12529 * except.c: use it.
12530 * config/sparc/sparc.c: use it.
12531 * config/i386/i386.c: use it.
12532 * config/rs6000/rs6000.c: use it.
12533 * config/arm/arm.c: use it.
12534 * config/mips/mips.c: use it.
12535 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12537 2006-01-30 Roger Sayle <roger@eyesopen.com>
12539 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12540 argv to the appropriate type.
12542 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12544 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12547 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12550 * config/s390/s390.c (struct machine_function): New flag
12551 decomposed_literal_pool_addresses_ok_p.
12552 (s390_reorg): Set it before final stage of literal pool transforms.
12553 (s390_decompose_address): Only accept displacements of the form
12554 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12556 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12558 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12559 the comparison routine return.
12561 2006-01-30 Michael Matz <matz@suse.de>
12563 * global.c (find_reg): Only evict for global regs.
12564 Take n_refs into account and dump more info.
12566 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12569 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12570 (pragma_trap, pragma_nosave_low_regs): Likewise.
12571 (current_function_anonymous_args): Likewise.
12572 (sh_deferred_function_attributes): New variable.
12573 (sh_deferred_function_attributes_tail): Likewise.
12574 (print_operand): For '@', look up trap_exit attribute.
12575 (calc_live_regs): Look up trapa_handler attribute. For trapa
12576 handlers, save/restore fpscr, but don't do any other
12577 interrupt-specific saves.
12578 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12579 Fix check for partially saved registers to check for SHmedia.
12580 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12581 (sh_output_function_epilogue): Don't clear any of the removed
12583 (sh_insert_attributes): Don't check pragma_interrupt.
12584 Insert deferred attributes. Check that interrupt attribute is
12585 present for other attributes that require its presence.
12586 (sh_attribute_table): Add new attributes trapa_handler and
12588 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12589 Don't check for pragma_interrupt. Don't store argument.
12590 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12591 (sh_deferred_function_attributes): Declare.
12592 (sh_deferred_function_attributes_tail): Likewise.
12593 * sh.md (sp_switch_1): Add operand. Change generator caller.
12594 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12595 (*return_i): Don't use when trap_exit attribute is in effect.
12596 (*return_trapa): New insn pattern.
12597 * sh-c.c: New file.
12598 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12599 setting c_target_objs and cxx_target_objs.
12600 * t-sh: Add rule for sh-c.o.
12602 2006-01-30 Richard Guenther <rguenther@suse.de>
12605 * gimplify.c (gimplify_target_expr): Handle easy cases
12606 without creating a temporary.
12608 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12610 * vec.h (safe_grow): Remove duplicated line.
12612 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12615 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12616 (expand_omp): ... here.
12617 (expand_omp_parallel): Only remove barriers for combined
12618 parallel+workshare constructs.
12620 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12624 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12625 * tree.c (build_qualified_type): Chain the new type to the original
12626 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12627 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12628 (build_pointer_type_for_mode): Only return unqualified types.
12629 (build_reference_type_for_mode): Likewise.
12631 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12633 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12634 * Makefile.in (CXX_COMPAT_WARN): Define.
12635 * configure: Regenerate.
12637 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12640 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12643 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12645 * toplev.c: Fix thinko.
12647 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12648 Marcin Dalecki <martin@dalecki.de>
12650 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12651 (push_srcloc): Use XNEW.
12652 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12654 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12656 * df-core.c (df_set_blocks): Deleted all variable.
12658 2006-01-28 Ian Lance Taylor <ian@airs.com>
12660 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12661 cgraph_output_pending_asms.
12663 2006-01-28 Zack Weinberg <zackw@panix.com>
12665 * c.opt: Add -W(no-)overlength-strings.
12666 * doc/invoke.texi: Document it.
12667 * c-opts.c (c_common_handle_option): -pedantic implies
12668 -Woverlength-strings, if not explicitly disabled already.
12669 (c_common_post_options): -Woverlength-strings defaults to off, and
12670 is always off for C++.
12671 * c-common.c (fix_string_type): Issue warning about strings longer
12672 than is portable only if warn_overlength_strings. Rearrange code
12673 a little for clarity.
12674 * configure.in: Check for -Wno-overlength-strings as well before
12675 enabling -pedantic in stage 1.
12676 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12677 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12679 * genconditions.c (write_header, write_one_condition)
12680 (write_conditions, write_writer): Consolidate very long strings
12681 that were broken up to fit in C89 portable limit. Don't use
12682 printf when fputs will do.
12684 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12686 * combine.c (simplify_comparison <AND>): Check
12687 TRULY_NOOP_TRUNCATION before start using a subreg.
12689 * config/mips/mips.md (*branch_zero<mode>,
12690 *branch_zero<mode>_inverted, *branch_equality<mode>,
12691 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12692 Remove mode check from comparisons.
12694 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12696 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12698 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12700 * expmed.c (const_mult_add_overflow_p): Remove.
12701 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12703 * recog.c (validate_replace_rtx_subexp): Remove.
12704 * recog.h: Remove the prototype for
12705 validate_replace_rtx_subexp.
12707 * integrate.h: Remove the prototype for
12708 copy_decl_for_inlining.
12709 * rtl.h: Remove the prototype for mark_constant_function.
12710 * tree-vectorizer.h: Remove the prototype for
12711 vect_strip_conversion.
12713 * modulo-sched.c (create_partial_schedule,
12714 free_partial_schedule, reset_partial_schedule): Make them
12717 * hooks.c (hook_bool_rtx_int_false): Remove.
12718 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12720 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12722 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12723 and -mlong-double-128 are incompatible.
12724 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12725 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12726 (TARGET_LIBGCC2_CFLAGS): Define.
12727 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12728 (TARGET_LIBGCC2_CFLAGS): Same.
12729 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12731 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12734 * c-typeck.c (build_binary_op): Perform implicit casts of
12735 operands before shortening them.
12737 * cfgloopmanip.c (split_loop_bb): Remove.
12738 * cfgloop.h: Remove the prototype for split_loop_bb.
12740 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12741 * cfgloop.h: Remove the prototype for
12742 flow_loop_outside_edge_p.
12744 * emit-rtl.c (init_virtual_regs): Make it static.
12745 * function.h: Remove the prototype for init_virtual_regs.
12747 * recog.c (peephole2_optimize): Make it static.
12748 * recog.h: Remove the prototype for peephole2_optimize.
12750 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12752 * df-scan.c (df_record_entry_block_defs): Check if
12753 INCOMING_RETURN_ADDR_RTX is defined.
12755 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12756 Kenneth Zadeck <zadeck@naturalbridge.com>
12758 PR rtl-optimization/24762
12759 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12760 * targhooks.c (hook_void_bitmap): New hook prototype.
12761 * targhoohs.h (hook_void_bitmap): Ditto.
12762 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12763 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12764 * target.h (live_on_entry): New function pointer.
12765 * df-scan.c (df_all_hard_regs): Removed.
12766 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12767 (df_scan_free_internal): Added df->entry_block_defs.
12768 (df_scan_alloc): Ditto.
12769 (df_scan_dump): Ditto.
12770 (df_uses_record): Plumbed flag field properly thru calls.
12771 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12772 This part fixes PR24762.
12773 (df_bb_refs_record): Added code to make the frame and arg
12774 pointers live in EH blocks.
12775 (df_refs_record): Added call to df_record_entry_block_defs.
12776 (df_record_entry_block_defs): New function.
12777 * df-core.c: Added comments to describe new artifical defs.
12778 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12779 (entry_block_defs): New field in struct df.
12780 (df_all_hard_regs): Deleted.
12781 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12782 * df-problems.c (df_ru_bb_local_compute_process_def):
12783 Added code to handle artifical defs in the entry to a function.
12784 (df_ru_bb_local_compute): Ditto.
12785 (df_rd_bb_local_compute_process_def): Ditto.
12786 (df_rd_bb_local_compute): Ditto.
12787 (df_lr_bb_local_compute): Ditto.
12788 (df_ur_bb_local_compute): Ditto.
12789 (df_urec_bb_local_compute): Ditto.
12790 (df_chain_create_bb): Ditto.
12791 (df_ur_local_finalize): Removed entry.
12792 (df_urec_init): Ditto.
12793 (df_urec_local_finalize): Ditto.
12794 (df_ri_bb_compute): Added detection of last use of pseudos.
12795 * Makefile.in (df-scan.o): Updated dependencies.
12796 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12797 * config/mips/mips.c (mips_set_live_on_entry): Added.
12798 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12800 * dce.c (marked_insn_p): Added code to handle artifical defs.
12802 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12804 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12806 (_mm_cvtsi128_si64): Likewise.
12807 (_mm_cvtsd_si64): Likewise.
12808 (_mm_cvttsd_si64): Likewise.
12809 (_mm_cvtsi64_sd): Likewise.
12810 (_mm_cvtsi64_si128): Likewise.
12811 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12812 (_mm_cvtsi64_m64): Likewise.
12813 (_m_to_int64): Likewise.
12814 (_mm_cvtm64_si64): Likewise.
12815 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12816 (_mm_cvttss_si64): Likewise.
12817 (_mm_cvtsi64_ss): Likewise.
12818 (_mm_cvtss_f32): Likewise.
12820 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12822 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12823 for pragma redefine_extname.
12825 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12828 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12829 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12830 -mno-minimal-toc to previous content.
12831 (bispecs): Remove goal.
12832 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12833 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12834 compatibility aliases on powerpc-*-*gnu*.
12835 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12836 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12837 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12838 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12839 (ldblspecs): New goal.
12840 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12841 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12843 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12844 L_sf_to_tf or L_df_to_tf is defined.
12846 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12847 Alan Modra <amodra@bigpond.net.au>
12850 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12851 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12852 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12853 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12854 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12855 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12856 (rs6000_override_options): Initialize rs6000_ieeequad.
12857 Initialize TFmode format to ibm_extended_format if not
12859 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12861 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12862 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12863 (function_arg_advance): IBM long double passed in two FPRs, not
12865 (function_arg): IBM long double passed in FPRs.
12866 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12867 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12868 Only multireg GPR aligned.
12869 (rs6000_init_libfuncs): Enable IBM long double functions if not
12871 (rs6000_generate_compare): Use IBM long double compare if not
12873 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12874 (TARGET_IEEEQUAD): Define.
12875 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12876 not TARGET_IEEEQUAD.
12877 * config/rs6000/rs6000.md: Enable TFmode patterns if
12879 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12880 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12881 and -mlong-double-128 are incompatible.
12882 * doc/invoke.texi (-mabi): Collect options together. Add
12883 ibmlongdouble and ieeelongdouble.
12885 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12887 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12889 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12890 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12891 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12892 * rtl.h (rtunion_def): Remove rt_ptr.
12894 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12895 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12896 * config/i386/winnt.c (i386_pe_mark_dllexport)
12897 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12899 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12901 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12903 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12907 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12908 pthread_key_delete. From John David Anglin. gthrw-ify
12909 pthread_getunique_np only if it it's not a macro. Delete
12911 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12912 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12913 __gthread_objc_condition_signal, __gthread_key_delete): Add
12914 "__attribute__ ((__unused__))" to unused arguments.
12915 (__gthread_recursive_mutex_init_function): Add missing return.
12916 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12917 gthr-posix95.h: Use macro-based approach for name redirection
12918 on targets missing weakref.
12920 2006-01-26 Zack Weinberg <zackw@panix.com>
12922 * genconditions.c (write_header): In generated code, #ifdef out
12923 all includes and fake declarations, except includes of bconfig.h
12924 and system.h, unless GCC_VERSION >= 3001. Do not include
12925 gensupport.h in any case.
12926 (write_conditions): Generate a definition of struct c_test. Add
12927 a comment to the generated #endif.
12928 (write_one_condition): Escape backslashes in string too.
12929 (write_writer): Generated code must escape backslashes and quote
12930 marks (but not newlines) in the strings it writes.
12931 * Makefile.in (build/gencondmd.o): Update dependencies.
12933 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12936 * Makefile.in (insn-automata.o): Add header file dependencies.
12937 * genautomata.c: Add includes.
12939 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12942 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12944 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12946 * configure.ac: Expect target tools paths to be passed from the toplevel
12947 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12949 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12951 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12954 * c.opt (Wpointer-sign): Init to -1.
12955 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12956 OPT_pedantic, to 0 otherwise.
12957 * doc/invoke.texi: Update.
12959 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12961 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12962 constants provided by 80387 instructions in the destination mode.
12964 2006-01-26 Richard Guenther <rguenther@suse.de>
12965 Andrew Pinski <pinskia@physics.uc.edu>
12968 partial PR tree-opt/17064
12969 * tree-ssa-structalias.c (intra_create_variable_infos):
12970 Create heap variables for incoming parameters if
12971 flag_argument_noalias > 1.
12972 (find_what_p_points_to): Look through default defs of
12975 2006-01-26 Jeff Law <law@redhat.com>
12978 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12979 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12980 within the VR_RANGE, use the VR_RANGE as the result, not the
12982 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12983 bounds for the type.
12985 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12987 * tree-ssa-alias.c (maybe_create_global_var): Change
12988 subvar walking to an assertion that we don't have subvar'd variables.
12990 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12993 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12994 Use a new variable, inner. PARM_DECLs are always non-weak.
12996 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12998 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12999 --disable-checking.
13001 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13003 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13005 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13007 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13008 (smax_insn, smin_insn, smax_0, smin_0): New.
13010 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13013 * config/cris/cris.c (cris_order_for_addsi3): New function.
13014 * config/cris/cris-protos.h: Prototype it.
13015 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13016 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13017 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13018 (split for "op.S1 [rx=rx+i],ry (swapped)")
13019 (split for "op(s|u).S1 [rx=rx+i],ry")
13020 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13021 Apply cris_order_for_addsi3 when generating addsi3 insns.
13023 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13025 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13026 (TREE_BLOCK): Add call to EXPR_CHECK.
13028 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13031 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13032 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13033 (dump_omp_clauses): ... here.
13034 (dump_generic_node): Handle OMP_CLAUSE.
13035 * tree.c (omp_clause_num_ops): New.
13036 (omp_clause_code_name): New.
13037 (tree_code_size): Handle OMP_CLAUSE.
13038 (tree_size): Likewise.
13039 (make_node): Document handling of OMP_CLAUSE.
13040 (tree_node_structure): Handle OMP_CLAUSE.
13041 (omp_clause_check_failed): New.
13042 (omp_clause_range_check_failed): New.
13043 (omp_clause_operand_check_failed): New.
13044 (build_omp_clause): New.
13045 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13046 * tree.h (enum omp_clause_code): Declare.
13047 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13048 (OMP_CLAUSE_RANGE_CHECK): Define.
13049 (OMP_CLAUSE_ELT_CHECK): Define.
13050 (omp_clause_check_failed): Declare.
13051 (omp_clause_operand_check_failed): Declare.
13052 (omp_clause_range_check_failed): Declare.
13053 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13054 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13055 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13056 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13057 (OMP_CLAUSE_IF_EXPR): Likewise.
13058 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13059 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13060 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13061 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13062 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13063 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13064 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13065 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13066 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13067 (OMP_CLAUSE_CODE): Define.
13068 (OMP_CLAUSE_SET_CODE): Define.
13069 (OMP_CLAUSE_CODE): Define.
13070 (OMP_CLAUSE_OPERAND): Define.
13071 (struct tree_omp_clause): Declare.
13072 (union tree_node): Add field 'omp_clause'.
13073 * treestruct.def (TS_OMP_CLAUSE): Define.
13074 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13075 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13076 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13077 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13078 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13079 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13080 (OMP_CLAUSE): Define.
13081 * print-tree.c (print_node): Handle OMP_CLAUSE.
13082 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13083 * c-typeck.c: Likewise.
13084 * gimplify.c: Likewise.
13085 * c-omp.c: Likewise.
13086 * tree-nested.c: Likewise.
13087 * tree-inline.c: Likewise.
13088 * c-parser.c: Likewise.
13089 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13092 2006-01-25 Roger Sayle <roger@eyesopen.com>
13094 PR rtl-optimization/25703
13095 * combine.c (try_combine): Handle zero_extract and strict_low_part
13096 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13098 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13100 * global.c: Fix comment typos.
13102 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13105 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13106 Use output_addr_const instead of assemble_name.
13108 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13110 * Makefile.in (sched-vis.o): Update dependencies.
13111 * haifa-sched.c (sched_finish): Clear current_sched_info.
13112 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13113 (dump_flow_info): Call it.
13114 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13116 * basic-block.h (dump_bb_info): Declare.
13117 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13118 option, and apply options only for dump files whose TDF_RTL,
13119 TDF_TREE, or TDF_IPA bits match.
13120 * rtl.h: Declare new functions exported from sched-vis.c.
13121 * sched-vis.c: Enable also if scheduling is not used.
13122 (print_value): Print the mode of registers if not inside scheduling.
13123 (print_insn): Make it work outside the scheduler. Beautify the output
13125 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13127 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13129 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13130 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13131 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13132 depending on the value of CONSTANT_POOL_ADDRESS_P.
13133 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13135 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13136 rather than SYMBOL_REF_DECL.
13137 (rtx_constant_pool): Remove const_rtx_sym_htab.
13138 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13139 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13140 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13141 Remove handling of const_rtx_sym_htab.
13142 (find_pool_constant): Delete.
13143 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13144 rather than find_pool_constant.
13145 (get_pool_constant_for_function): Delete.
13146 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13147 find_pool_constant.
13148 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13149 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13150 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13151 (SYMBOL_REF_CONSTANT): New macro.
13152 (get_pool_constant_for_function): Delete.
13153 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13154 rather than SYMBOL_REF_DECL.
13155 (i386_pe_mark_dllimport): Likewise.
13156 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13157 rather than SYMBOL_REF_DECL.
13158 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13159 (machopic_indirect_call_target): Likewise.
13161 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13163 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13165 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13167 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13169 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13171 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13173 2006-01-24 David Daney <ddaney@avtrex.com>
13176 * configure.ac (enable_tls): New enable option.
13177 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13178 * configure: Regenerate.
13179 * doc/install.texi (--enable-tls): Document new option.
13180 (--disable-tls): Ditto.
13182 2006-01-24 Richard Henderson <rth@redehat.com>
13184 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13185 * alias.c (true_dependence): Respect it.
13186 (canon_true_dependence, write_dependence_p): Likewise.
13187 * builtins.c (get_builtin_sync_mem): Set it.
13189 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13191 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13194 2006-01-24 DJ Delorie <dj@redhat.com>
13196 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13197 for storing constants in single-bit bitfields.
13199 2006-01-25 Ben Elliston <bje@au.ibm.com>
13201 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13203 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13206 * tree-ssa-pre.c (phi_translate): Return NULL
13207 for AGGREGATE_TYPE's.
13209 2006-01-24 Zack Weinberg <zackw@panix.com>
13211 * genautomata.c (process_state_for_insn_equiv_partition):
13212 Use xcalloc for insn_arcs_array.
13213 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13214 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13216 2006-01-24 Richard Henderson <rth@redhat.com>
13218 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13219 update all callers.
13221 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13223 PR rtl-optimization/25890
13224 PR rtl-optimization/25905
13225 * combine.c (expand_compound_operation, expand_field_assignment):
13226 Fail if the bitfield's final position is out of bounds.
13228 2006-01-24 Ian Lance Taylor <ian@airs.com>
13230 PR middle-end/25930
13231 * cgraphunit.c (cgraph_output_in_order): Don't clear
13232 cgraph_asm_nodes until after asm strings have been output.
13234 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13236 * fix-header.c (read_scan_file): Add new parameter imultilib when
13237 calling register_include_chains.
13239 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13241 * omp-low.c: Update documentation.
13243 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13244 Daniel Berlin <dberlin@dberlin.org>
13248 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13249 return from the function.
13251 2006-01-22 Zack Weinberg <zackw@panix.com>
13253 * rtl.def (match_code): Add second argument.
13254 * genpreds.c (write_extract_subexp): New function.
13255 (write_match_code): Add path argument. Use write_extract_subexp.
13256 (write_predicate_expr): Pass path to write_match_code.
13257 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13258 not perform a mode test.
13259 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13260 a subexpression does not constrain the top-level code set.
13261 * read-rtl.c (read_rtx_variadic): New function.
13262 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13263 * doc/md.texi: Document new notation.
13264 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13265 (cmpsi_operand): ... here, using new notation.
13267 2006-01-22 Zack Weinberg <zackw@panix.com>
13269 * varray.c: Remove GENERATOR_FILE #ifdefs.
13271 2006-01-22 Zack Weinberg <zackw@panix.com>
13273 * genautomata.c (output_reserved_units_table): Emit nothing if
13274 description->query_units_num is zero. Remove extra blank line.
13275 (output_cpu_unit_reservation_p): Short circuit
13276 if description->query_units_num is zero.
13278 2006-01-22 Zack Weinberg <zackw@panix.com>
13280 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13281 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13282 nor any of the random handful of variables that used to be necessary
13283 when this program was linked with rtlanal.o. Prune set of forward
13284 function declarations.
13285 (struct attr_desc): Remove static_p field.
13286 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13287 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13288 (attr_string): Do not read the character one past the length of
13290 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13291 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13292 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13293 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13294 (make_automaton_attrs): New.
13295 (main): Do not call into genautomata. Call local gen_bypass
13296 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13297 Remove special case for insn_alts.
13298 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13299 varray.h (leftover from previous change). Prune set of forward
13300 function declarations. Remove state_alts fields from all
13301 structures. Remove state_alts_table from struct automaton.
13302 Make everything except main static. Do not maintain num_dfa_decls.
13303 Do not maintain state_alts fields of various structures.
13304 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13305 (add_arc): Remove state_alts argument. All callers updated.
13306 (output_reserved_units_table): Emit #ifdef here...
13307 (output_tables): ...not here. Don't generate state_alts tables.
13308 (expand_automata): Don't generate attributes.
13309 (write_automata): Don't generate state_alts functions.
13310 (main): New function.
13311 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13312 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13313 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13314 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13315 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13316 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13317 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13318 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13320 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13321 * genattrtab.h: Delete file.
13322 * Makefile.in (OBJS-common): Add insn-automata.o.
13323 (insn-automata.o): New rule.
13324 (simple_generated_c): Add insn-automata.c.
13325 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13326 (genprogmd): Add automata.
13327 (build/genattrtab): Needs no extra objects nor libraries.
13328 (build/genautomata): Needs build/vec.o and -lm.
13330 2006-01-22 Zack Weinberg <zackw@panix.com>
13332 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13333 (output_dfa_max_issue_rate, locked_states_num): Delete.
13334 (struct automaton): Add locked_states field.
13335 (output_dead_lock_vect): Save number of locked states in
13336 automaton->locked_states. If it is zero, don't print anything.
13337 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13338 (output_internal_dead_lock_func): Only test the dead_lock_vect
13339 for automata that have locked states.
13340 (output_statistics): Always print the number of locked states for
13341 each automaton. Calculate total number of locked states here.
13342 (write_automata): Don't call output_dfa_max_issue_rate.
13343 * genattrtab.c: Define length_unit_log as a const variable.
13344 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13345 max_insn_queue_index const.
13346 * final.c (length_unit_log): Declare const.
13347 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13349 2006-01-22 Zack Weinberg <zackw@panix.com>
13351 * genautomata.c: Include vec.h, not varray.h.
13352 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13353 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13354 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13355 VEC_* macros operating on appropriately typed vectors, or to
13356 malloced arrays when the size is known in advance. Const-ify
13357 many char* variables and function arguments. No functional changes.
13358 * Makefile.in (build/varray.o): Delete rule.
13359 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13360 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13362 2006-01-22 Zack Weinberg <zackw@panix.com>
13364 * gensupport.c: Define get_insn_name and record_insn_name here.
13365 (read_md_rtx): Call record_insn_name as appropriate.
13366 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13367 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13368 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13370 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13371 (BUILD_VARRAY): Delete.
13372 (genprognormal): Rename genprogmd. Fold in all programs from
13373 genprognoprint; also attrtab.
13374 (build/genattrtab): Just mention genautomata.o and varray.o.
13375 Reorganize a bit, add comments to make the categories clearer.
13377 2006-01-22 Zack Weinberg <zackw@panix.com>
13379 * genconditions.c (condition_table, add_condition): Delete.
13380 (write_conditions): Don't emit n_insn_conditions nor
13381 insn_elision_unavailable. Issue the gcc version #ifdef here,
13382 inside the table, with no #else clause ...
13383 (write_header): ...not here.
13384 (write_writer): New function.
13385 (main): Don't initialize condition_table. Use add_c_test.
13387 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13388 files on the command line.
13389 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13390 Return -1 if there is no entry in the table, don't abort.
13391 (add_c_test, traverse_c_tests): New functions.
13392 * gensupport.h (insn_elision_unavailable, insn_conditions)
13393 (n_insn_conditions): Delete declarations.
13394 (add_c_test, traverse_c_tests): Declare.
13395 * read-rtl.c: Include gensupport.h.
13396 (read_conditions): New function.
13397 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13398 (read_rtx_1): If we get EOF when we were looking for an initial
13399 open paren, return 0. Call read_conditions when appropriate.
13400 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13401 dummy-conditions.o. Eliminate references to insn-conditions.o,
13402 or change them to build/gencondmd.o, as appropriate. Remove
13403 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13404 from $(simple_generated_c). For all files remaining in those
13405 two lists, add insn-conditions.md to the generator command line.
13406 Give insn-constants.h/s-constants their own rules. Add rules
13407 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13408 (build/read-rtl.o): Depend on gensupport.h.
13409 (genprognormal): Include preds.
13410 (genprogearly): Rename genprognoprint; only difference is now that
13411 they don't link with $(BUILD_PRINT).
13412 * dummy-conditions.c: Delete.
13414 2006-01-22 Zack Weinberg <zackw@panix.com>
13416 * genextract.c: Don't include insn-config.h. Do include vec.h.
13417 Declare vectors of int, char, and locstr.
13418 (locstr): New typedef.
13419 (struct extraction): Make all array fields into bare pointers.
13420 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13421 (insn_code_number): Delete.
13422 (accum_extract): New struct.
13423 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13424 (gen_insn): Take insn_code_number as an argument. Use an
13425 accum_extract structure instead of loading data directly into
13426 a struct extraction, and having to know how big it might get.
13427 (walk_rtx): Operate entirely on an accum_extract structure.
13428 (print_path): Avoid unnecessary use of printf.
13429 (print_header): New function, split out of main. Distinguish
13430 more carefully between an unrecognizable insn and an insn that
13431 has the code number of a define_expand.
13432 (main): Pass insn_code_number to gen_insn. Call print_header
13433 only after parsing. Avoid unnecessary use of printf.
13434 * Makefile.in (build/vec.o): New rule.
13435 (build/genextract): Depend on build/vec.o.
13436 (build/genextract.o): Don't depend on insn-config.h.
13438 2006-01-22 Zack Weinberg <zackw@panix.com>
13440 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13441 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13442 practical. Eliminate per-generator-program link rules.
13444 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13446 PR middle-end/24437
13447 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13448 with a call expr to ...
13449 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13451 2006-01-23 Richard Guenther <rguenther@suse.de>
13453 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13454 before make_edge with conditional EDGE_TRUE_VALUE.
13456 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13457 Jan Hubicka <jh@suse.cz>
13458 Richard Guenther <rguenther@suse.de>
13460 PR rtl-optimization/25654
13461 * cfgexpand.c (aggregate_contains_union_type): New function.
13462 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13463 for structure variables that contain a union type.
13465 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13467 * gengtype.c (new_structure): Return the structure.
13468 (create_option): Add an extra "next" argument.
13469 (create_field): New function.
13470 (adjust_field_rtx_def): Use create_option and create_field.
13471 Remove a now-unnecessary call to find_structure.
13472 (adjust_field_tree_def): Likewise.
13473 (note_yacc_type): Remove an unnecessary call to find_structure.
13474 * gengtype.h (new_structure): Return the structure.
13475 (create_option): Add an extra argument.
13476 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13477 (option): Adjust calls to create_option.
13479 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13481 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13483 2006-01-22 Paul Brook <paul@codesourcery.com>
13484 Peter Barada <peter@the-baradas.com>
13486 * config/m68k/m68k.md: Add Coldfire FPU support.
13487 Define FP mode macro and associated attributes.
13488 Use it for float mode patterns.
13489 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13490 (LIBCALL_VALUE): Use m68k_libcall_value.
13491 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13492 (m68k_function_value): Ditto.
13493 (emit_move_sequence): Ditto.
13494 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13495 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13496 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13497 (MULTILIB_EXCEPTIONS): Ditto.
13498 * config/m68k/m68k.opt: Add mcfv4e.
13499 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13500 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13501 (m68k_output_function_prologue): Save ColdFire FPU registers.
13502 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13503 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13504 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13505 ColdFire FPU registers.
13506 (m68k_libcall_value, m68k_function_value): New functions.
13507 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13508 (LIBCALL_VALUE): Use m68k_libcall_value.
13509 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13510 (MASK_COLDFIRE): Add MASK_CFV4E.
13511 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13512 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13513 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13514 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13515 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13516 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13517 * doc/invoke.tex: Document -mcfv4e on m68k.
13519 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13521 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13524 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13527 * c-opts.c (c_common_handle_option): Don't include
13528 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13529 * doc/invoke.texi (C++ Dialect Options): Document that
13530 -Wnon-virtual-dtor is no longer included in -Wall.
13532 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13534 * gcov.c (print_version), gcov-dump.c (print_version),
13535 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13538 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13540 * df-scan.c (problem_SCAN): Added NULL reset function.
13541 (df_scan_reset_blocks): Added code to call reset block function
13542 (df_bb_refs_delete) Fixed comment.
13543 (df_insn_refs_delete): Made tolerant of deleting non existent info
13544 for dataflow problems that need to be reset.
13545 * df-core.c (df_set_blocks): Ditto.
13546 * df.h (struct df_problem): Added reset_fun.
13547 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13548 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13549 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13550 functions to clear out all references to def-use or use-def chains.
13552 2006-01-21 Ben Elliston <bje@au.ibm.com>
13554 * varasm.c (assemble_real): Initialise data array.
13556 2006-01-20 Paul Brook <paul@codesourcery.com>
13558 Merge from csl-arm-branch.
13559 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13560 * config/arm/arm.md (movdi): Force operands[1] to a register
13561 if we have a non-register source.
13562 (*arm_movdi, *movdf_soft_insn): Require that one of the
13563 operands be a register.
13564 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13565 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13567 2006-01-20 DJ Delorie <dj@redhat.com>
13569 * varasm.c (initializer_constant_valid_p): Allow pointers
13570 initialized from integer constants of lesser precision.
13571 (output_constant): Allow non-int-sized pointer modes to be
13572 initialized from integer constants.
13574 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13577 * cppdefault.h (struct default_include): Add multilib flag.
13578 * cppdefault.c (cpp_include_defaults): Set it.
13579 * c.opt (-imultilib): New option.
13580 * c-opts.c (imultilib): New.
13581 (c_common_handle_option): Handle -imultilib.
13582 (c_common_post_options): Likewise.
13583 * c-incpath.c (add_standard_paths, register_include_chains):
13585 * c-incpath.h (register_include_chains): Add extra parameter.
13586 * gcc.c (do_spec_1): Generate -imultilib option.
13587 (The Specs Language): Update %I description.
13588 (process_command): Update copyright notice.
13589 * doc/cppopts.texi (-imultilib): Document.
13590 * doc/invoke.texi (-imultilib): Include in option summary.
13591 (%I): Update specs documentation.
13593 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13595 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13597 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13599 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13602 2006-01-20 Richard Guenther <rguenther@suse.de>
13603 Steven Bosscher <stevenb.gcc@gmail.com>
13605 PR rtl-optimization/24626
13606 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13607 EDGE_TRUE_VALUE if in RTL mode.
13610 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13611 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13613 2006-01-20 Dirk Mueller <dmueller@suse.com>
13616 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13617 instead of a special NOP marker.
13618 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13619 NOP marker handling.
13620 * c-common.h (empty_body_warning): Add forward declaration.
13621 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13622 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13624 2006-01-20 Paul Brook <paul@codesourcery.com>
13626 * Makefile.in (lang_checks): Keep going if mkdir fails.
13628 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13630 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13631 be able to clean out basic block when not necessary.
13632 (df_scan_free): Fixed to properly delete information if df is
13633 unused before calling df_finish.
13634 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13635 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13637 (df_bb_refs_delete): New function.
13638 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13639 * df-core.c (df_set_blocks): Added code to properly clean out
13640 unused blocks if they are not part of the blocks to consider.
13641 Added additional null check.
13642 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13643 be able to clean out basic block when not necessary
13644 * df.h (df_free_bb_function): Ditto.
13645 (df_bb_refs_delete): New function.
13646 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13647 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13648 basic block parameter to be able to clean out basic block when not
13650 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13651 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13652 Fixed to properly delete information if df is unused before
13655 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13657 PR rtl-optimization/25799
13658 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13659 Corrected confluence operator to remove bits from op2 before oring
13660 with op1 rather than removing bits from op1.
13661 (df_ru_transfer_function): Corrected test on wrong bitmap which
13662 caused infinite loop. Both of these problems were introduced in
13663 the dataflow rewrite.
13665 2006-01-19 DJ Delorie <dj@redhat.com>
13667 * reload1.c (find_reload_regs): Note the details of reload
13668 failures in the dump file.
13669 (spill_failure): Likewise.
13671 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13673 * loop-iv.c: Include df.h and hashtab.h.
13674 (enum iv_grd_result): New enum.
13675 (DF_REF_IV, DF_REF_IV_SET): New macros.
13676 (struct biv_entry): New.
13677 (df, bivs): New global variables.
13678 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13679 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13681 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13682 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13683 analyzed_for_bivness_p, record_biv): New functions.
13684 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13685 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13686 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13688 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13690 (iv_number_of_iterations): Use new interface to iv analysis.
13691 * loop-unroll.c: Do not include varray.h.
13692 (analyze_iv_to_split_insn): Use new interface to iv
13694 * loop-unswitch.c (may_unswitch_on): Ditto.
13695 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13697 (df_bb_modify): Realloc tables to the new index.
13698 (df_find_use): New function.
13699 * df.h (df_find_use): Declare.
13700 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13702 * cfgloop.h (struct rtx_iv): Remove analysed field.
13703 (iv_get_reaching_def): Removed.
13704 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13705 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13706 (loop-iv.o): Add df.h and hashtab.h dependency.
13707 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13709 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13712 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13714 (__floatundisf, __floatundidf): Likewise.
13715 * libgcc2.h (IS_IBM_EXTENDED): Define.
13717 2006-01-19 DJ Delorie <dj@redhat.com>
13719 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13721 2006-01-19 Paul Brook <paul@codesourcery.com>
13723 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13724 as nothrow when unwinding tables are disabled.
13726 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13729 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13730 of bit-field" when in system header.
13732 2006-01-19 DJ Delorie <dj@redhat.com>
13734 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13735 the 16 bit shift limit of the m16c.
13737 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13740 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13741 * config/i386/i386.c (output_set_got): Output the label if we have one
13742 for the TARGET_DEEP_BRANCH_PREDICTION case.
13744 2006-01-19 Jan Hubicka <jh@suse.cz>
13745 H.J. Lu <hongjiu.lu@intel.com>
13746 Evandro Menezes <evandro.menezes@amd.com>
13748 * invoke.texi (generic): Document
13750 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13751 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13752 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13753 (x86_use_incdec, x86_pad_returns): New variables
13754 (TARGET_CPU_DEFAULT_generic): New constant
13755 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13756 (enum processor_type): Add generic32 and generic64.
13757 * i386.md (cpu attribute): Add generic32/generic64
13758 (movhi splitter): Behave sanely when both partial_reg_dependency and
13759 partial_reg_stall are set.
13760 (K8 splitters): Enable for generic as well.
13761 * predicates.md (incdec_operand): Use TARGET_INCDEC
13762 (aligned_operand): Avoid memory mismatch stalls.
13763 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13764 * ppro.md: Enable for generic32
13765 * i386.c (generic64_cost, generic32_cost): New.
13766 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13767 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13768 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13769 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13770 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13771 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13772 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13773 x86_accumulate_outgoing_args, x86_prologue_using_move,
13774 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13775 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13776 Enable for generic.
13777 (x86_use_incdec, x86_pad_returns): New.
13778 (override_options): Add generic32 and generic64, translate "generic"
13779 to generic32/generic64 and "i686" to "generic32", refuse
13780 "generic32"/"generic64" as arch target.
13781 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13782 (ix86_reorg): Honor PAD_RETURNS.
13784 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13786 * tree-pretty-print.c (dump_generic_node): Handle
13787 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13788 * cgraph.c (cgraph_expand_queue): Rename from
13789 cgraph_analyze_queue. Update all users.
13790 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13791 cgraph_expand_queue.
13792 (cgraph_expand_all_functions): Likewise.
13793 (cgraph_finalize_pending_functions): Remove. Update callers.
13795 * tree.h (OMP_DIRECTIVE_P): Define.
13796 (OMP_PARALLEL_FN): Define.
13797 (OMP_PARALLEL_DATA_ARG): Define.
13798 (OMP_SECTIONS_SECTIONS): Define.
13799 * tree-pass.h (pass_expand_omp): Declare.
13800 * omp-low.c (struct omp_region): Declare.
13801 (struct omp_context): Remove fields 'parallel_type',
13802 'parallel_start_ix' and 'parallel_start_additional_args'.
13804 (struct omp_for_data): Rename from struct expand_omp_for_data.
13805 (omp_regions): New static variable.
13806 (root_omp_region): New static variable.
13807 (find_omp_clause): Make static.
13808 (is_in_combined_parallel_ctx): Remove.
13809 (is_combined_parallel): New.
13810 (extract_omp_for_data): Move earlier in the file.
13811 (workshare_safe_to_combine_p): New.
13812 (get_ws_args_for): New.
13813 (determine_parallel_type): Move earlier in the file.
13814 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13816 (omp_copy_decl): Likewise.
13817 (create_omp_child_function): Likewise.
13818 (lookup_omp_region): New.
13819 (dump_omp_region): New.
13820 (debug_omp_region): New.
13821 (debug_all_omp_regions): New.
13822 (new_omp_region): New.
13823 (scan_omp_parallel): If parallel_nesting_level > 1, the
13824 directive is nested within another parallel directive.
13825 Set OMP_PARALLEL_FN.
13826 (scan_omp_for): Do not try to handle combined parallel+for
13828 Remove FIXME comment.
13829 (scan_omp_nested): Remove.
13830 (scan_omp_1): Do not call scan_omp_nested when
13831 parallel_nesting_level is > 1.
13832 Do not change the DECL_CONTEXT of local variables found.
13833 (lookup_decl_in_outer_ctx): New.
13834 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13835 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13836 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13837 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13838 If CTX is nested, lookup VAR in the outer context when
13839 building copy assignment.
13840 (lower_send_clauses): Rename from expand_send_clauses.
13841 If CTX is nested, lookup VAR in the outer context when
13842 building copy assignments.
13843 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13844 If CTX is nested, lookup VAR in the outer context when
13845 building copy assignments.
13846 (expand_parallel_call): Rename from build_parallel_call.
13847 Handle combined parallel+workshare cases.
13848 Re-implement to emit code into the CFG.
13850 (expand_omp_parallel): Re-implement to emit code into the CFG.
13851 Call move_sese_region_to_fn to outline the sub-graph
13852 containing the parallel region.
13853 (expand_omp_for_1): Remove.
13854 (expand_omp_for_generic): Re-implement to emit code into the
13856 (expand_omp_for_static_nochunk): Likewise.
13857 (expand_omp_for_static_chunk): Likewise.
13858 (expand_omp_for): Likewise.
13859 (expand_omp_sections): Likewise.
13860 (remove_exit_barriers): New.
13861 (expand_omp_synch): New.
13863 (build_omp_regions_1): New.
13864 (build_omp_regions): New.
13865 (execute_expand_omp): New.
13866 (gate_expand_omp): New.
13867 (pass_expand_omp): Define.
13868 (lower_omp_sections): Rename from expand_omp_sections.
13869 Set OMP_SECTIONS_SECTIONS.
13870 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13871 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13872 (lower_omp_single): Rename from expand_omp_simple.
13873 (lower_omp_master): Rename from expand_omp_master.
13874 (lower_omp_ordered): Rename from expand_omp_ordered.
13875 (lower_omp_critical): Rename from expand_omp_critical.
13876 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13877 (lower_omp_for): Re-implement.
13878 (lower_omp_parallel): Re-implement.
13879 (lower_regimplify): Rename from expand_regimplify.
13880 (lower_omp_1): Rename from expand_omp_1.
13881 If there are syntax errors in the program, replace every
13882 OpenMP directive with NOP.
13883 Call lower_omp_* instead of expand_omp_*.
13884 (lower_omp): Rename from expand_omp.
13886 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13887 * tree-gimple.h (enum omp_parallel_type): Remove.
13888 (gimple_boolify): Declare extern.
13889 (find_omp_clause, determine_parallel_type): Remove.
13891 * gimple-low.c (lower_omp_directive): New.
13892 (lower_stmt): Call it.
13893 (record_vars_into): Move from ...
13894 (record_vars): ... here.
13895 Call record_vars_into with current_function_decl.
13897 * gimplify.c (struct gimplify_ctx): Remove fields
13898 combined_pre_p and combined_ctxp. Update users.
13899 (get_formal_tmp_var): Add documentation.
13900 (gimple_boolify): Make extern.
13901 (gimplify_expr_in_ctx): Remove. Update callers.
13902 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13903 will always be a BIND_EXPR.
13904 (gimplify_expr): Handle OMP_RETURN_EXPR.
13905 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13906 (OMP_PARALLEL): Add 3 operands.
13907 (OMP_SECTIONS): Add 1 operand.
13908 (OMP_RETURN_EXPR): Define.
13910 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13911 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13912 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13913 creating a circular free list.
13914 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13916 * tree-flow.h (move_sese_region_to_fn): Declare.
13917 (record_vars_into): Declare.
13918 * tree-cfg.c (make_omp_sections_edges): New.
13919 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13920 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13921 OMP_SECTIONS and OMP_SECTION.
13922 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13923 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13924 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13925 (gather_blocks_in_sese_region): New.
13926 (struct move_stmt_d): Declare.
13927 (move_stmt_r): New.
13928 (move_block_to_fn): New.
13929 (move_sese_region_to_fn): New.
13931 * passes.c (init_optimization_passes): Schedule
13932 pass_expand_omp after pass_init_datastructures.
13934 * tree-ssa-operands.c (get_expr_operands): Handle
13935 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13936 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13938 2006-01-19 Jeff Law <law@redhat.com>
13940 * tree-vrp.c (extract_range_from_assert): Refine the result range
13941 if the variable referenced by the ASSERT_EXPR has a range and
13942 either the tentative result range or the previous range is a
13945 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13947 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13949 2006-01-19 Jan Hubicka <jh@suse.cz>
13951 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13953 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13955 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13956 (expand_compound_operation, expand_field_assignment): Fail if the
13957 bit lengths of an extract operation are out of range.
13958 (make_extraction): Compute wanted_inner_mode based on the position
13959 and length of the extraction. Make it extraction_mode for non-constant
13960 positions, and do not modify offset in that case. When generating a
13961 new MEM, use a mode that can hold the extraction while keeping correct
13962 alignment. Remove code that supported MEMs wrapped by USEs.
13963 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13965 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13967 * config/s390/s390.md ("Y", "y"): New mode attribute.
13968 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13969 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13970 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13971 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13972 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13973 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13974 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13975 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13976 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13977 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13978 "addsi3", "subsi3"): Insn patterns removed.
13979 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13980 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13981 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13982 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13983 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13984 "*sub<mode>3_cconly2"): New insn patterns.
13985 ("addsi3", "subsi3"): New expanders.
13987 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13989 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13990 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13991 existing STMT_VINFO_VECTYPE if available.
13992 (vect_mark_relevant): Add special handling for stmts that are
13993 marked as STMT_VINFO_IN_PATTERN_P.
13994 (vect_analyze_loop): Call vect_pattern_recog.
13995 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13996 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13998 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13999 (vect_recog_func_ptr): New function-pointer type.
14000 * tree-vect-patterns.c: New file.
14001 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14002 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14003 (vect_pattern_recog_1): New functions.
14004 (vect_pattern_recog_funcs): New array of function pointers.
14006 * tree-vectorizer.h (ternary_op): New enum value.
14007 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14008 declaration. Revised documentation. Removed redundant dump prints.
14009 Removed redundant argument. Added support for reduction patterns.
14010 (vectorizable_reduction): Added support for reduction patterns.
14011 (vect_transform_stmt): Added support for patterns.
14013 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14014 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14015 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14016 (expand_widen_pattern_expr): New function.
14017 (init_optabs): Initialize new optabs udot_prod_optab,
14019 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14020 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14021 (expand_widen_pattern_expr): New function declaration.
14022 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14024 * tree-inline.c (estimate_num_insns_1): Added cases for new
14025 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14026 * tree-pretty-print.c (dump_generic_node): Likewise.
14027 (op_prio): Likewise.
14028 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14029 * tree-ssa-operands.c (get_expr_operands): Added case for
14031 * tree-vect-patterns.c (widened_name_p): New function.
14032 (vect_recog_dot_prod_pattern): Added function implementation.
14033 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14034 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14035 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14036 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14038 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14039 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14040 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14041 (init_optabs): Initialize new optabs widen_ssum_optab,
14043 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14044 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14045 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14046 use instead of type of def.
14047 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14048 function implementation.
14049 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14050 widen_ssumv8hi): New.
14052 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14055 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14058 * c-decl.c (add_flexible_array_elts_to_size): New function.
14059 (finish_decl): Use it.
14061 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14063 * diagnostic.h: Include options.h.
14064 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14065 dependancies for diagnostic.h.
14066 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14068 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14070 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14071 (ssa_ro_call_cache_valid): Ditto.
14072 * tree-ssa-alias.c (sort_tags_by_id): New function.
14073 (init_transitive_clobber_worklist): Ditto.
14074 (add_to_worklist): Ditto.
14075 (mark_aliases_call_clobbered): Ditto.
14076 (compute_tag_properties): Ditto.
14077 (set_initial_properties): Ditto.
14078 (compute_call_clobbered): Ditto.
14079 (compute_may_aliases): Call compute_call_clobbered and grouping.
14080 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14081 (compute_flow_insensitive_aliasing): Grouping now happens in our
14083 (setup_pointers_and_addressables): Remove clobbering related code.
14084 (add_may_alias): Ditto.
14085 (replace_may_alias): Ditto.
14086 (get_nmt_for): Ditto.
14087 (create_global_var):
14088 (is_escape_site): Return an escape_type enumeration.
14089 * tree-flow-inline.h (is_call_clobbered): Global var does not
14090 imply call clobbered.
14091 (mark_call_clobbered): Take a reason for marking this. Remove
14092 marking of globalness, and cache invalidation.
14093 (clear_call_clobbered): Remove cache invalidation code.
14094 * tree-dfa.c (dump_variable): If details is on, dump the reason
14096 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14098 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14099 (struct var_ann_d): Ditto.
14100 (enum escape_type): New.
14101 (mark_call_clobbered): Adjust prototype.
14102 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14103 are never call clobbered.
14104 Record reasons for escaping.
14105 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14106 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14107 (ssa_ro_call_cache_valid): Ditto.
14108 (clobbered_v_may_defs): Ditto.
14109 (clobbered_vuses): Ditto.
14110 (ro_call_vuses): Ditto.
14111 (clobber_stats): New.
14112 (init_ssa_operands): Zero out clobber stats.
14113 (fini_ssa_operands): Print out clobber stats.
14114 (get_call_expr_operands): Pass callee fndecl to
14115 add_call_read_ops).
14116 (add_call_clobber_ops): Remove use of cache.
14117 Add use of PURE_CONST information.
14118 (add_call_read_ops): Remove use of cache.
14119 Add use of static not_read information.
14121 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14123 Introduce TLS descriptors for i386 and x86_64.
14124 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14125 (TARGET_ANY_GNU_TLS): New macro.
14126 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14127 (struct machine_function): Add tls_descriptor_call_expanded_p.
14128 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14129 (ix86_current_function_calls_tls_descriptor): Likewise.
14130 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14131 (override_options): Introduce gnu2 tls dialect.
14132 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14134 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14136 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14137 (ix86_init_machine_status): Initialize new field.
14138 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14139 (ix86_tls_module_base): New.
14140 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14141 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14142 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14143 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14144 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14145 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14146 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14147 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14148 * config/i386/predicates.md (tls_modbase_operand): New.
14149 (tp_or_register_operand): New.
14151 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14153 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14154 (look_for_address_of): Ditto.
14155 (ipa_init): Walk the function decls.
14156 (static_execute): Don't set readonly on FUNCTION_DECL's.
14158 2006-01-18 Roger Sayle <roger@eyesopen.com>
14160 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14161 for shifts where the source and destination registers are different.
14163 2006-01-18 Paul Brook <paul@codesourcery.com>
14165 Merge from csl-arm-branch.
14166 2005-03-14 Julian Brown <julian@codesourcery.com>
14167 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14168 (aeabi_llsl): Likewise.
14169 (ashrdi3): Likewise.
14170 (aeabi_lasr): Likewise.
14171 (lshrdi3): Likewise.
14172 (aeabi_llsr): Likewise.
14173 2005-03-10 Julian Brown <julian@codesourcery.com>
14174 * config.gcc: Disable shared libgcc for SymbianOS.
14175 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14177 2006-01-18 DJ Delorie <dj@redhat.com>
14179 * c-pragma.c (handle_pragma_diagnostic): New.
14180 (init_pragma): Register it.
14181 * doc/extend.texi: Document it.
14183 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14184 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14185 (diagnostic_context): Add classify_diagnostic[].
14186 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14187 as errors if they're overridden to DK_WARNING.
14188 (diagnostic_initialize): Initialize classify_diagnostic[].
14189 (diagnostic_set_kind_override): New.
14190 (diagnostic_report_diagnostic): Check for kind changes.
14191 * opts.c (common_handle_option): Take lang_mask. Update callers.
14192 Handle OPT_Werror_.
14193 * common.opt (Werror=): New.
14194 * doc/invoke.texi: Document -Werror=*
14196 2006-01-18 Jeff Law <law@redhat.com>
14198 * tree-vrp.c (test_for_singularity): Correct test for new
14199 min limit. Use operand_equal_p rather than pointer equality
14200 for testing if new min/max values are equal.
14202 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14203 using range information until after propagation and folding.
14205 2006-01-18 Richard Henderson <rth@redhat.com>
14206 Aldy Hernandez <aldyh@redhat.com>
14207 Jakub Jelinek <jakub@redhat.com>
14208 Diego Novillo <dnovillo@redhat.com>
14210 * omp-low.c: New file.
14211 * c-omp.c: New file.
14213 2006-01-18 Richard Henderson <rth@redhat.com>
14214 Jakub Jelinek <jakub@redhat.com>
14215 Diego Novillo <dnovillo@redhat.com>
14217 * doc/invoke.texi: Document -fopenmp.
14218 * tree-dump.h (debug_function): Declare.
14219 * hooks.c (hook_bool_tree_bool_false): New function.
14220 (hook_tree_tree_null): Remove.
14221 (hook_tree_tree_tree_null): New.
14222 * hooks.h: Update to match.
14223 * tree-pretty-print.c (debug_tree_chain): New.
14224 (print_generic_expr): Handle TDF_CHAIN.
14225 (dump_generic_node): Handle BLOCK.
14226 Do not abort with incomplete SWITCH_EXPRs.
14227 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14228 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14229 print space after directive name.
14230 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14231 Handle OMP_MASTER and OMP_ORDERED.
14232 Handle printing of OMP_BODY just in one place, goto
14233 dump_omp_body in the rest of OMP_* nodes that have
14235 Don't handle clause nodes here. Update omp statements to
14236 use dump_omp_clauses.
14237 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14238 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14239 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14240 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14241 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14242 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14243 Adjust output for GOMP_PARALLEL.
14244 (dump_omp_clauses): New.
14245 (print_declaration): Dump DECL_VALUE_EXPR.
14246 (op_symbol_1): Split out of op_symbol.
14247 (dumping_stmts): Remove. Update all users.
14248 * cgraph.c (cgraph_analyze_queue): New.
14249 (cgraph_add_new_function): New.
14250 * cgraph.h (cgraph_analyze_queue): Declare.
14251 (cgraph_add_new_function): Declare.
14252 (cgraph_lower_function): Remove.
14253 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14254 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14255 and TYPE_P nodes in its default clause.
14256 (empty_body_p): New.
14257 (tree_range_check_failed): New.
14258 (build5_stat): New.
14259 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14260 OMP_CLAUSE_REDUCTION_MERGE,
14261 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14262 OMP_CLAUSE_PRIVATE_DEBUG,
14263 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14264 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14265 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14266 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14267 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14268 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14269 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14270 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14271 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14272 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14273 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14274 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14275 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14276 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14277 (TREE_RANGE_CHECK): New.
14278 (empty_body_p): Declare.
14279 (enum omp_clause_default_kind): New.
14280 (build_string_literal): Declare.
14281 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14282 (build5_stat, build5): Declare.
14283 * tree-pass.h (TDF_CHAIN): Define.
14284 * tree-pass.h (PROP_gimple_lomp): Define.
14285 (pass_lower_omp): Declare.
14286 * diagnostic.h (debug_tree_chain): Declare.
14287 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14289 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14290 * builtins.c (build_string_literal): Make extern.
14291 * gcc.c (include_spec_function): New.
14292 (static_spec_functions): Add it.
14293 (main): Move load of libgomp.spec ...
14294 (LINK_COMMAND_SPEC): ... here.
14295 (link_gomp_spec): New.
14296 (static_specs): Include it.
14297 (LINK_COMMAND_SPEC): Add link_gomp.
14298 (GOMP_SELF_SPECS): New.
14299 (driver_self_specs): Include it.
14300 (switch_matches): Don't mark inline.
14301 (main): Load libgomp.spec.
14302 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14303 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14304 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14305 * tree-gimple.h (enum omp_parallel): Declare.
14306 (determine_parallel_type): Declare.
14307 (omp_firstprivatize_variable): Declare.
14308 (omp_reduction_init): Declare.
14309 (diagnose_omp_structured_block_errors): Declare.
14310 (struct walk_stmt_info): Add want_return_expr.
14311 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14312 (find_omp_clause): Declare.
14313 (insert_field_into_struct): Declare.
14314 (struct walk_stmt_info): Move from tree-nested.c
14315 (walk_stmts): Declare.
14316 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14318 * cgraphunit.c (cgraph_lower_function): Make static.
14319 (cgraph_finalize_pending_functions): New.
14320 (cgraph_finalize_function): Call it.
14321 (cgraph_finalize_compilation_unit): Likewise.
14322 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14323 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14324 (BT_FN_UINT_UINT): New.
14325 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14326 DEF_FUNCTION_TYPE_VAR_4): Document.
14327 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14328 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14329 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14330 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14331 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14332 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14333 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14334 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14335 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14336 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14337 into separate files.
14338 (DEF_GOMP_BUILTIN): New.
14339 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14340 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14341 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14342 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14343 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14344 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14345 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14346 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14347 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14348 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14349 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14350 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14351 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14352 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14353 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14354 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14355 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14356 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14357 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14358 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14359 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14360 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14361 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14362 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14363 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14364 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14365 * sync-builtins.def: New file, moved from builtins.def.
14366 * omp-builtins.def: New file, moved from builtins.def.
14367 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14368 * gimple-low.c (lower_function_body): Clear data.
14369 (lower_stmt): Do not handle COMPOUND_EXPR.
14370 Remove call to print_node_brief.
14371 * c-tree.h (c_finish_omp_clauses): New prototype.
14372 (C_DECL_THREADPRIVATE_P): Define.
14373 (lookup_name_no_remap, c_omp_remap_private): Remove
14374 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14375 (check_for_loop_decls): Update decl.
14376 (lookup_name_no_remap, c_omp_remap_private): Declare.
14377 (build_indirect_ref, build_modify_expr, pushdecl,
14378 pushdecl_top_level): Move to c-common.h.
14379 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14380 before the switch, but just in the 2 places that need it.
14381 * c-decl.c (diagnose_mismatched_decls): Do not check for
14382 mismatched thread-local attributes when OLDDECL is marked
14383 threadprivate and NEWDECL has no thread-local attributes.
14384 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14385 (c_gimple_diagnostics_recursively): Rename from
14386 c_warn_unused_result_recursively. Invoke
14387 diagnose_omp_structured_block_errors.
14388 (check_for_loop_decls): Return a singular decl found.
14389 * langhooks.c (lhd_omp_predetermined_sharing): Return
14390 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14391 (lhd_omp_firstprivatize_type_sizes): New.
14392 (lhd_omp_assignment): New.
14393 (lhd_omp_predetermined_sharing): New.
14394 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14395 (struct lang_hooks_for_types): Add
14396 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14397 omp_predetermined_sharing, omp_disregard_value_expr,
14398 omp_private_debug_clause, omp_clause_default_ctor,
14399 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14400 (c_finish_omp_clauses): New.
14401 (c_finish_bc_stmt): Diagnose break within omp for.
14402 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14403 (build_unary_op): Return error_mark after reporting
14405 (build_modify_expr): Likewise.
14406 * gimplify.c: Include optabs.h and pointer-set.h.
14407 (enum gimplify_omp_var_data): Declare.
14408 (struct gimplify_omp_ctx): Declare.
14409 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14411 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14412 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14413 (splay_tree_compare_decl_uid): New.
14414 (new_omp_context): New.
14415 (delete_omp_context): New.
14416 (gimple_add_tmp_var): Call omp_add_variable.
14417 (gimplify_bind_expr): Likewise.
14418 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14419 true, disregard DECL_VALUE_EXPR on the decl if any.
14420 (gimplify_expr_in_ctx): New.
14421 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14422 omp_add_variable, omp_notice_variable, omp_is_private
14423 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14424 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14425 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14426 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14427 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14428 gimplify_omp_atomic): New.
14429 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14430 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14431 OMP_CRITICAL and OMP_ATOMIC.
14432 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14433 * c-pragma.h (enum pragma_kind): Add
14434 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14435 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14436 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14437 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14438 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14439 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14440 PRAGMA_OMP_THREADPRIVATE.
14441 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14442 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14443 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14444 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14445 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14446 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14447 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14448 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14449 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14450 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14451 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14452 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14453 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14455 (struct nesting_info): Add field_map,
14456 suppress_expansion, debug_var_chain.
14457 (create_nesting_tree): Initialize them.
14458 (lookup_field_for_decl): Use field_map.
14459 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14460 (convert_local_omp_clauses): New.
14461 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14462 (walk_body): Split out of walk_function.
14463 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14464 (convert_nonlocal_reference): Handle omp statements.
14465 (convert_local_reference): Likewise.
14466 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14467 (unnest_nesting_tree): New.
14468 (lower_nested_functions): Call it.
14469 (insert_field_into_struct): Make extern.
14470 (struct walk_stmt_info): Move to tree-gimple.h.
14471 (walk_stmts): Make extern.
14472 * omp-builtins.def: New file.
14473 * tree-iterator.c (expr_only): Clarify comment.
14474 * c-common.h (pushdecl_top_level, pushdecl,
14475 build_modify_expr, build_indirect_ref,
14476 c_finish_omp_master, c_finish_omp_critical,
14477 c_finish_omp_ordered, c_finish_omp_barrier,
14478 c_finish_omp_atomic, c_finish_omp_flush,
14479 c_finish_omp_for, c_split_parallel_clauses,
14480 omp_clause_default_kind, c_omp_sharing_predetermined,
14481 c_omp_remap_decl): Declare.
14482 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14483 (OBJS-common): Add omp-low.o.
14484 (c-omp.o, omp-low.o): Add.
14485 (gimplify.o): Add dependency on $(OPTABS_H).
14486 (GTFILES): Add omp-low.c.
14487 (gt-stringpool.h): Add.
14488 * tree-cfg.c (set_bb_for_stmt): Do not update the
14489 block-to-labels map if we are currently expanding to RTL.
14490 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14492 Handle IDENTIFIER_NODE.
14493 (tree_verify_flow_info): Do not ICE when emitting error
14494 messages about invalid labels.
14495 (dump_function_to_file): Reset CFUN before emitting the body
14497 (debug_function): New.
14498 * passes.c (init_optimization_passes): Schedule
14500 * langhooks-def.h (lhd_omp_predetermined_sharing,
14501 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14503 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14504 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14505 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14506 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14507 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14508 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14509 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14510 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14511 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14512 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14513 (LANG_HOOK_DECLS): Use them.
14515 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14516 Richard Henderson <rth@redhat.com>
14517 Jakub Jelinek <jakub@redhat.com>
14518 Diego Novillo <dnovillo@redhat.com>
14520 * c-parser.c (pragma_omp_clause): Define.
14521 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14522 (c_parser_compound_statement): Likewise.
14523 (c_parser_statement): Likewise.
14524 (c_parser_pragma): Handle omp pragmas.
14525 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14526 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14527 (c_parser_omp_clause_name, check_no_duplicate_clause,
14528 c_parser_omp_variable_list,
14529 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14530 c_parser_omp_clause_copyprivate,
14531 c_parser_omp_clause_default,
14532 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14533 c_parser_omp_clause_lastprivate,
14534 c_parser_omp_clause_nowait,
14535 c_parser_omp_clause_num_threads,
14536 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14537 c_parser_omp_clause_reduction,
14538 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14539 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14540 c_parser_omp_atomic, c_parser_omp_barrier,
14541 c_parser_omp_critical, c_parser_omp_flush,
14542 c_parser_omp_for_loop, c_parser_omp_for,
14543 c_parser_omp_master, c_parser_omp_ordered,
14544 c_parser_omp_sections_scope, c_parser_omp_sections,
14545 c_parser_omp_parallel, c_parser_omp_single,
14546 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14547 * c-pragma.c (init_pragma): Do omp pragma registration here.
14548 * c.opt (fopenmp): New flag.
14550 2006-01-18 Eric Christopher <echristo@apple.com>
14552 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14553 * config/darwin.h (GOMP_SELF_SPECS): Define.
14555 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14557 * rtl.h: Remove the prototype for reg_alloc.
14559 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14562 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14563 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14564 sjlj and dwarf2 exception handling.
14565 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14566 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14567 * pa/pa.c (function_value): Treat complex and vector types as
14569 (function_arg): Likewise. Only pass scalar floats in the floating
14570 point argument registers.
14571 * pa/t-slibgcc-dwarf-ver: New file.
14572 * pa/t-slibgcc-sjlj-ver: New file.
14573 * pa/t-slibgcc-elf-ver: Delete file.
14575 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14577 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14578 unlikely_test_section_p test.
14580 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14582 * mode-switching.c (optimize_mode_switching): Make it static.
14583 * basic-block.h: Remove the prototype for
14584 optimize_mode_switching.
14586 * modulo-sched.c (sms_schedule): Make it static.
14587 * rtl.h: Remove the prototype for sms_schedule.
14589 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14590 * rtl.h: Remove the prototype for gcse_after_reload_main.
14592 * reg-stack.c (reg_to_stack): Make it static.
14593 * rtl.h: Remove the prototype for reg_to_stack.
14595 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14597 * rtl.h: Remove the prototypes for regrename_optimize and
14598 copyprop_hardreg_forward.
14600 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14602 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14603 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14604 Test against the appropriate null constant for the mode.
14605 If 'fixup_overlap' is true, swap the operands if they overlap.
14606 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14607 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14608 alpha_split_tmode_pair and adjust for above change.
14609 * config/alpha/alpha.md (movtf_internal): Adjust call to
14610 alpha_split_tfmode_pair and rely on it to swap the operands.
14611 (movti_internal): New insn and post-reload splitter.
14612 (movti): New expander.
14614 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14616 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14619 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14621 * rtlanal.c (global_reg_mentioned_p_1,
14622 global_reg_mentioned_p): Remove.
14623 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14625 * flow.c (initialize_uninitialized_subregs): Make it static.
14626 * rtl.h: Remove the prototype for
14627 initialize_uninitialized_subregs.
14629 * function.c (instantiate_virtual_regs): Make it static.
14630 * function.h: Remove the prototype for
14631 instantiate_virtual_regs.
14633 * regmove.c (regmove_optimize, combine_stack_adjustments):
14635 * rtl.h: Remove the prototypes for regmove_optimize and
14636 combine_stack_adjustments.
14638 2006-01-17 Roger Sayle <roger@eyesopen.com>
14640 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14641 (size_cost): Encode costs in bytes so that a reg-reg addition is
14642 equivalent to COSTS_N_INSNS(1).
14643 (override_options): Use the size_cost.branch_cost as the default
14644 ix86_branch_cost when optimizing for size.
14646 2006-01-18 Ben Elliston <bje@au.ibm.com>
14648 * Makefile.in (D32PBIT_FUNCS): New.
14649 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14650 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14651 D64PBIT_FUNCS and D128PBIT_FUNCS.
14652 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14653 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14655 (decnumber_dep): Define.
14656 * doc/libgcc.texi (Decimal float library routines): New node.
14657 * config/dfp-bit.h, config/dfp-bit.c: New files.
14659 2006-01-18 Ben Elliston <bje@au.ibm.com>
14661 * expr.c (emit_move_change_mode): Always adjust addresses, not
14662 just during reload. Copy replacements only during reload.
14663 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14664 emit_move_via_integer.
14666 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14668 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14669 instead of $(srcdir) and ${srcdir}.
14671 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14674 PR middle-end/11135
14675 * arm.h (struct machine_function): Add pic_reg.
14676 * arm.c (arm_pic_register): Make unsigned.
14677 (arm_override_options): Only set arm_pic_register if
14678 TARGET_SINGLE_PIC_BASE.
14679 (use_return_insn): Only test for a pic register if it is fixed.
14680 (arm_compute_save_reg0_reg12_mask): Likewise.
14681 (thumb_compute_save_reg_mask): Likewise.
14682 (legitimate_pic_operand): Factor out some known invariants.
14683 (legitimize_pic_address): If we don't have a fixed pic register,
14684 then set up a pseudo in the function entry sequence. Handle the
14685 pic base being in a pseudo.
14686 (arm_load_pic_register): Handle the pic register being in a pseudo.
14687 (arm_expand_prologue): Only set up the pic register if it is fixed.
14688 (thumb_expand_prologue): Likewise.
14689 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14690 (pic_load_addr_based_insn): Likewise.
14691 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14694 2006-01-18 Ben Elliston <bje@au.ibm.com>
14696 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14697 decimal float modes for all floating point registers.
14699 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14700 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14702 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14705 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14706 even when the pointer is not NULL.
14708 2006-01-16 Ian Lance Taylor <ian@airs.com>
14710 * common.opt (ftoplevel-reorder): New option.
14711 * cgraph.c (cgraph_asm_nodes): New global variable.
14712 (cgraph_asm_last_node): New static variable.
14713 (cgraph_order): New global variable.
14714 (cgraph_create_node): Set new order field.
14715 (cgraph_varpool_node): Likewise.
14716 (decide_is_variable_needed): Return true if not
14717 flag_toplevel_reorder.
14718 (cgraph_add_asm_node): New function.
14719 * cgraph.h (struct cgraph_node): Add order field.
14720 (struct cgraph_varpool_node): Add order field.
14721 (struct cgraph_asm_node): Define.
14722 (cgraph_asm_nodes, cgraph_order): Declare.
14723 (cgraph_add_asm_node): Declare.
14724 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14726 (cgraph_varpool_assemble_pending_decls): Call it.
14727 (cgraph_output_pending_asms): New static function.
14728 (cgraph_finalize_compilation_unit): Call it.
14729 (struct cgraph_order_sort): Define.
14730 (cgraph_output_in_order): New static function.
14731 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14732 !flag_toplevel_reorder case.
14733 * c-parser.c: Include "cgraph.h".
14734 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14736 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14737 than -fno-unit-at-a-time.
14738 * doc/invoke.texi (Option Summary): Mention
14739 -fno-toplevel-reorder.
14740 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14741 -funit-at-a-time documentation.
14743 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14744 Kazu Hirata <kazu@codesourcery.com>
14746 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14748 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14750 * Makefile.in (FUNCTION_H): New. Use it instead of
14751 function.h throughout the file.
14752 * function.h: Include tree.h.
14754 2006-01-17 Ben Elliston <bje@au.ibm.com>
14756 * recog.c: Separate some functions with whitespace.
14758 2006-01-16 Richard Henderson <rth@redhat.com>
14760 Merge from gomp branch:
14761 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14762 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14763 and rename from struct inline_data. Rename callee* to dst*;
14764 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14765 transform_new_cfg, transform_return_to_modify, and
14766 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14768 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14769 (copy_decl_for_dup): Remove.
14770 * tree-inline.c (struct inline_data): Move to header.
14771 (insert_decl_map): Export.
14772 (remap_decl): Update for member name changes. Use copy_decl hook.
14773 Allow for replacement to be a non-decl. Remove dead code.
14774 (remap_type_1): Check for existing mapping.
14775 (remap_type): Export.
14776 (remap_decls): Update for member name changes.
14777 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14778 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14779 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14780 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14781 (tree_function_versioning, build_duplicate_type): Likewise.
14782 (copy_body_r): Likewise. Export.
14783 (copy_decl_for_dup): Split into ...
14784 (copy_decl_for_dup_finish, copy_decl_to_var,
14785 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14786 (replace_ref_tree, inlining_p): Remove.
14788 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14790 * ifcvt.c (if_convert): Make it static.
14791 * rtl.h: Remove the prototype for if_convert.
14793 * local-alloc.c (local_alloc): Make it static.
14794 * rtl.h: Remove the prototype for local_alloc.
14796 * loop.c (loop_optimize): Make it static.
14797 * cfgloop.h: Remove the prototype for loop_optimize.
14800 2006-01-16 DJ Delorie <dj@redhat.com>
14802 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14805 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14807 * pa.md: Disparage copies between general and floating-point registers
14808 in 32-bit move patterns.
14810 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14813 * Makefile.in (check-%): Depend on site.exp instead of
14814 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14819 * global.c (global_alloc): Make it static.
14820 * rtl.h: Remove the prototype for global_alloc.
14822 2006-01-16 Richard Guenther <rguenther@suse.de>
14824 * tree-ssa-alias.c (struct used_part): Add write_only field.
14825 (get_or_create_used_part_for): Initialize it to true.
14826 (create_overlap_variables_for): Don't create structure variables
14827 for structures that only are written to.
14828 (find_used_portions): Handle MODIFY_EXPR to track whether a
14829 structure is only written to.
14831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14833 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14835 * basic-block.h: Remove the prototype for
14836 partition_hot_cold_basic_blocks.
14838 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14840 * cppspec.c (lang_specific_spec_functions): Remove.
14841 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14842 * gcc.h (lang_specific_spec_functions): Remove.
14843 * gccspec.c (lang_specific_spec_functions): Remove.
14845 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14847 * combine.c (record_value_for_reg): Invalidate registers
14849 (record_dead_and_set_regs_1): Likewise, by passing them to
14850 record_value_for_reg.
14851 (record_dead_and_set_regs): Invalidate stores made by a
14852 call. We do not combine across a call, but we still
14853 relied on equivalences.
14855 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14857 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14858 vrp_int_const_binop returning non-constant nodes.
14860 2006-01-16 Paul Brook <paul@codesourcery.com>
14862 * config/m68k/m68k.c (output_move_const_into_data_reg):
14863 Output correct mnemonic for mvz and mvs.
14865 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14867 * rtl-factoring.c: Add sequence abstraction algorithm.
14868 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14869 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14871 (block_has_preserve_label): New function.
14872 * common.opt: Register new pass.
14873 * Makefile.in: Ditto.
14875 * timevar.def: Ditto.
14876 * tree-pass.h: Ditto.
14877 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14878 * rtl.h (make_jump_insn_raw): Add forward decl.
14879 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14881 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14882 Roger Sayle <roger@eyesopen.com>
14884 * fold-const.c (fold_minmax): New static function.
14885 (fold_binary) <MIN_EXPR>: Call it.
14886 <MAX_EXPR>: Likewise.
14887 * stor-layout.c (place_field): Use DECL_SIZE consistently
14888 in the computation of the new record size.
14890 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14892 * cse.c (cse_condition_code_reg): Make it static.
14893 * rtl.h: Remove the prototype for cse_condition_code_reg.
14895 * combine.c (combine_instructions): Make it static.
14896 * rtl.h: Remove the prototype for combine_instructions.
14898 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14901 * tree.c (get_file_function_name_long): Concatenate the first global
14902 object name with a string derived from the input filename of the object
14905 2006-01-16 Ben Elliston <bje@au.ibm.com>
14907 * config/i386/winnt-stubs.c: Update FSF address.
14908 * config/xtensa/ieee754-df.S: Ditto.
14909 * config/xtensa/ieee754-sf.S: Ditto.
14911 2006-01-14 Ian Lance Taylor <ian@airs.com>
14913 * ifcvt.c (noce_init_if_info): New static function, broken out of
14914 noce_process_if_block.
14915 (noce_process_if_block): Call noce_init_if_info.
14916 (check_cond_move_block): New static function.
14917 (cond_move_process_if_block): New static function.
14918 (process_if_block): Call cond_move_process_if_block.
14920 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14922 * cselib.c (hash_table): Rename to cselib_hash_table.
14923 (cselib_clear_table, discard_useless_values,
14924 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14925 cselib_init, cselib_finish): Adjust uses of hash_table.
14927 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14929 PR tree-optimization/25485
14930 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14931 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14932 is known to be false and true, respectively.
14934 2006-01-14 Richard Guenther <rguenther@suse.de>
14936 PR tree-optimization/22548
14937 PR tree-optimization/22555
14938 PR tree-optimization/22501
14939 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14940 * params.def (salias-max-array-elements): New parameter.
14941 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14942 * doc/invoke.texi (salias-max-array-elements): Document.
14943 * tree-flow-inline.h (var_can_have_subvars): We also handle
14945 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14947 * tree-ssa-structalias.c (params.h): Include.
14948 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14949 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14950 (get_constraint_for): For ADDR_EXPR operating on something
14951 containing an ARRAY_REF, add all subvars to the solution.
14952 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14953 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14954 for creating MUST_DEFs.
14955 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14957 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14959 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14961 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14962 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14963 number_of_iterations_le): New functions.
14964 (number_of_iterations_special): Removed.
14965 (number_of_iterations_exit): Do not use number_of_iterations_special.
14966 * tree.c (unsigned_type_for): Always return integer type.
14968 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14969 Richard Guenther <rguenther@suse.de>
14971 PR rtl-optimization/24257
14972 * gcse.c (find_moveable_store): Only consider a store movable
14973 when the SET_SRC of the insn can be assigned to a register.
14975 2006-01-14 Ian Lance Taylor <ian@airs.com>
14977 * tree.c (tree_not_class_check_failed): New function.
14978 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14979 (tree_not_class_check_failed): Declare.
14981 2006-01-13 Ian Lance Taylor <ian@airs.com>
14983 * reload1.c (do_output_reload): Add assertion rejecting a
14986 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14988 * combine.c (struct reg_stat): Add new fields truncation_label and
14990 (record_value_for_reg): Reset truncated_to_mode.
14991 (record_truncated_value): New function.
14992 (check_promoted_subreg): Call it. Rename to check_conversions.
14993 (combine_instructions): Rename check_promoted_subreg to
14995 (reg_truncated_to_mode): New function.
14996 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14997 (gen_lowpart_or_truncate): New function.
14998 (force_to_mode): Use it instead of gen_lowpart.
15000 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15002 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15003 VAR is a tag, not its type tag.
15005 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15007 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15008 alternatives to match style of other entries.
15009 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15011 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15013 PR tree-optimization/25771
15014 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15017 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15020 * tree-inline.c (declare_return_variable): If the return variable
15021 was marked as a non gimple complex, set the return slot variable
15022 to be a non gimple comple variable.
15024 2006-01-13 Richard Guenther <rguenther@suse.de>
15026 * builtins.c (expand_builtin_sincos): New function.
15027 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15029 (expand_builtin): Expand sincos using expand_builtin_sincos.
15031 2006-01-12 DJ Delorie <dj@redhat.com>
15033 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15034 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15035 so that constant shifts can be split.
15036 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15037 (m32c_valid_pointer_mode): Make static.
15038 (shift_gen_func_for): New.
15039 (m32c_prepare_shift): Use it. Split large const shifts into
15041 * config/m32c/predicates.md (shiftcount_operand): Allow more
15043 (longshiftcount_operand): New.
15044 * doc/md.texi (Machine Constraints): Document In6.
15046 2006-01-13 Ben Elliston <bje@au.ibm.com>
15048 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15049 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15052 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15054 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15055 to try to avoid clobbering pieces of structures when we know
15056 something about the whole structure.
15057 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15059 2006-01-13 Ben Elliston <bje@au.ibm.com>
15061 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15062 return in memory, as this is no limitation is no longer present.
15064 2006-01-12 DJ Delorie <dj@redhat.com>
15066 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15067 mova with fb, and for fb+0 -> An.
15069 * config/m32c/mov.md (peephole2): Fix enabling logic.
15071 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15072 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15073 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15074 FINI_ARRAY_SECTION_ASM_OP): Define.
15076 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15078 (m32c_legitimize_reload_address): New logic to reload FB to An.
15079 (m32c_output_reg_push): Add newline.
15080 (m32c_output_reg_pop): Likewise.
15082 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15084 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15086 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15088 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15090 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15092 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15095 2006-01-11 Ben Elliston <bje@au.ibm.com>
15097 * rtlanal.c (find_reg_note): Assert insn is not null.
15099 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15101 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15104 2006-01-11 Jeff Law <law@redhat.com>
15106 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15108 (mark_threaded_blocks, register_jump_thread): New functions.
15109 (thread_through_all_blocks): Remove unwanted argument. No
15110 longer rely on e->aux to communicate thread target info.
15111 Call mark_threaded_blocks. Release the threaded_blocks
15112 bitmap and threaded_edges vector when complete.
15113 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15114 (threaded_blocks): Remove.
15115 (tree_ssa_dominator_optimize): Remove initialization and
15116 finalization of threaded_blocks. Simplify call to
15117 thread_through_all_blocks.
15118 (thread_across_edge): Call register_jump_thread rather than
15119 storing thread information into e->aux.
15120 (free_all_edge_infos): Simplify now that e->aux is no longer
15121 used to communicate with thread_through_all_blocks.
15122 * tree-flow.h (thread_through_all_blocks): Update prototype.
15123 (register_jump_thread): Prototype.
15125 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15127 * df-core.c (df_compact_blocks, df_bb_replace): Use
15128 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15130 2006-01-11 Richard Guenther <rguenther@suse.de>
15132 PR tree-optimization/25734
15133 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15134 stop propagation after successful propagation to the LHS.
15136 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15138 * basic-block.h (control_flow_graph): Change the type of
15139 x_basic_block_info to VEC(basic_block,gc) *.
15140 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15142 (SET_BASIC_BLOCK): New.
15143 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15144 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15145 * cfgbuild.c (find_basic_blocks): Likewise.
15146 * cfglayout.c (fixup_reorder_chain): Likewise.
15147 * cfgrtl.c (create_basic_block_structure,
15148 rtl_create_basic_block): Likewise.
15149 * ifcvt.c (find_if_case_1): Likewise.
15150 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15153 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15155 * Makefile.in: Removed rotted odf.c entry.
15157 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15160 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15161 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15162 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15163 output pattern modifier, not %e.
15164 * config/cris/cris.c (cris_op_str): Update comment about pattern
15166 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15167 before falling through into...
15168 <case 'E'>: Redefined from old 'e' case.
15170 2006-01-11 Jan Hubicka <jh@suse.cz>
15173 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15175 2006-01-11 Jan Hubicka <jh@suse.cz>
15177 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15178 * i386.c (x86_decompose_lea): Kill.
15179 (ix86_rtx_costs): Kill.
15181 2006-01-11 Jan Hubicka <jh@suse.cz>
15183 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15184 * cgraph.h (cgraph_node): Add inline_decl.
15185 (cgraph_insert_node_to_hashtable): Declare.
15186 (save_inline_function_body): Declare.
15187 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15189 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15190 (cgraph_function_versioning): Update call of tree_function_versioning.
15191 (save_inline_function_body): New function.
15192 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15193 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15194 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15195 (cgraph_default_inline_p): Likewise.
15196 (cgraph_decide_inlining_incrementally): Likewise.
15197 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15198 (copy_bb): Kill saving; do updating of clones.
15199 (copy_cfg_body): Kill saving.
15200 (initialize_inlined-parameters): Likewise.
15201 (expand_call_inline): Likewise.
15203 (tree_function_versioning): New parameter "update_clones".
15204 (inlining_p): Kill saving.
15205 * tree-inline.h (tree_function_versioning): Update prototype.
15206 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15209 2006-01-11 Ian Lance Taylor <ian@airs.com>
15211 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15212 Allow undoing set of machine mode.
15213 (do_SUBST): Use enums instead of is_int.
15214 (do_SUBST_MODE): New function.
15215 (SUBST_MODE): New macro.
15216 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15217 reg and trying to replace reg_regno_rtx with a new register.
15218 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15219 (simplify_set): Use SUBST_MODE.
15220 (distribute_notes): Remove code that tried to update reg notes
15221 for regno_reg_rtx changes.
15223 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15225 PR tree-optimization/23109
15226 PR tree-optimization/23948
15227 PR tree-optimization/24123
15229 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15230 * tree-cfg.c (single_noncomplex_succ): New.
15231 * tree-flow.h (single_noncomplex_succ): Declare it.
15232 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15233 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15234 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15235 insert_bb, register_division_in, insert_reciprocals,
15236 replace_reciprocal, free_bb): New.
15237 (execute_cse_reciprocals_1): Rewritten.
15238 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15239 Do not commit any edge insertion. Always compute dominators and
15240 create the allocation pool.
15241 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15242 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15243 * targhooks.c (default_min_divistions_for_recip_mul): New.
15244 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15245 * passes.c (init_optimization_passes): Run recip after tree loop
15247 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15249 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15250 Kenneth Zadeck <zadeck@naturalbridge.com>
15252 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15253 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15254 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15255 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15256 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15257 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15258 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15259 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15260 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15261 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15262 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15263 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15264 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15265 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15266 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15267 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15268 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15269 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15270 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15271 DF_SCAN_POST_ALLOC): New macros.
15272 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15273 df_free_bb_function, df_local_compute_function, df_init_function,
15274 df_dataflow_function, df_confluence_function_0,
15275 df_confluence_function_n, df_transfer_function,
15276 df_finalizer_function, df_free_function, df_dump_problem_function,
15277 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15278 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15279 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15280 df_urec_bb_info, ) New types.
15281 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15283 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15284 df_analyze_simple_change_some_blocks,
15285 df_analyze_simple_change_one_block, df_compact_blocks,
15286 df_bb_replace, df_bb_regno_last_use_find,
15287 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15288 df_insn_regno_def_p, df_find_def, df_find_use,
15289 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15290 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15291 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15292 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15293 debug_df_chain, df_get_dependent_problem, df_chain_create,
15294 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15295 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15296 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15297 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15298 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15299 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15300 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15301 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15302 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15303 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15304 df_reorganize_refs, df_set_state, df_hard_reg_init,
15305 df_read_modify_subreg_p) New public functions.
15306 * df-core.c: The core dataflow solver and glue routines for rtl
15308 (df_init, df_add_problem, df_set_blocks, df_finish,
15309 df_hybrid_search_forward, df_hybrid_search_backward,
15310 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15311 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15312 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15313 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15314 df_reg_defined, df_find_use, df_reg_used, df_dump,
15315 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15316 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15317 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15318 debug_df_useno, reset_df_after_reload): New functions.
15319 * df-scan.c: The scanning fuctions, once in df.c, completely
15320 rewritten so that they now fully model the functionality of
15321 register usage at the backend.
15322 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15323 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15324 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15325 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15326 df_get_artificial_defs, df_get_artificial_uses,
15327 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15328 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15329 df_refs_delete, df_reorganize_refs, df_set_state,
15330 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15331 df_def_record_1, df_defs_record, df_uses_record,
15332 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15333 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15334 df_record_exit_block_uses, df_hard_reg_init): New functions.
15336 * df-problems.c: Seven concrete dataflow problems that use the
15337 scanning in df-scan.c and are solved by the engine in df-core.c.
15338 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15339 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15340 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15341 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15342 df_ru_free_bb_info, df_ru_alloc,
15343 df_ru_bb_local_compute_process_def,
15344 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15345 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15346 df_ru_transfer_function, df_ru_free, df_ru_dump,
15347 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15348 df_rd_free_bb_info, df_rd_alloc,
15349 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15350 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15351 df_rd_transfer_function, df_rd_free, df_rd_dump,
15352 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15353 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15354 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15355 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15356 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15357 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15358 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15359 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15360 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15361 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15362 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15363 df_urec_mark_reg_use_for_earlyclobber,
15364 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15365 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15366 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15367 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15368 df_chain_create_bb_process_use, df_chain_create_bb,
15369 df_chain_finalize, df_chain_free, df_chains_dump,
15370 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15371 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15372 df_reg_lifetime): New functions.
15373 * df.c: Deleted file.
15374 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15375 consistent with new df api.
15376 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15377 rest_of_handle_sms): Ditto.
15378 * web.c (unionfind_union, union_defs, entry_register, web_main):
15380 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15381 invariant_expr_equal_p, find_defs, check_dependencies,
15382 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15383 free_inv_motion_data, move_loop_invariants): Ditto.
15384 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15385 Update dependencies.
15386 (odf.c): Added defective entry that was deleted later in day.
15387 * sched-deps.c (sched_analyze_1): Ditto.
15389 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15391 * tree-ssa-operands.c (get_expr_operands): Record addressable
15392 variables directly. Do not call add_stmt_operands for CONST_DECLs
15394 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15395 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15397 2006-01-11 Ben Elliston <bje@au.ibm.com>
15399 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15400 function returns true in the positive case.
15402 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15405 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15406 for SI, DI, SF and DF modes. Add alternatives to copy between
15407 general and floating point registers to the 32-bit patterns.
15408 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15409 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15410 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15411 generating 64-bit code.
15412 * config/pa/pa.c (output_move_double): Handle copies between general
15413 and floating registers.
15415 2006-01-10 Stuart Hastings <stuart@apple.com>
15417 * config/i386/i386.md (set_got): Update.
15418 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15419 (builtin_setjmp_receiver): Mach-O support.
15420 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15421 (GOT_SYMBOL_NAME): Define.
15422 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15423 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15424 * config/i386/i386.c (override_options): Revise for Darwin.
15425 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15426 support. (darwin_x86_file_end): New. (output_set_got): Add label
15427 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15428 * config/i386/i386-protos.h (output_set_got): Likewise.
15429 * config/darwin.c (machopic_legitimize_pic_address): Update
15432 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15434 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15435 when MODE isn't BLKmode.
15437 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15439 PR rtl-optimization/25367
15440 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15442 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15445 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15446 for a negative bound.
15448 2006-01-10 Richard Guenther <rguenther@suse.de>
15450 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15451 Never override with anything constraint.
15453 2006-01-10 Jan Beulich <jbeulich@novell.com>
15455 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15456 256 bits when optimize_size.
15458 2006-01-10 Jan Beulich <jbeulich@novell.com>
15460 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15462 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15463 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15466 2006-01-10 Ben Elliston <bje@au.ibm.com>
15468 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15470 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15471 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15472 (USE_FP_FOR_ARG): Reject decimal float modes.
15473 (function_arg_advance): Likewise.
15474 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15475 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15476 point types in AltiVec vectors.
15477 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15478 (rs6000_libcall_value): Likewise.
15480 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15482 * config/xtensa/ieee754-df.S: New file.
15483 * config/xtensa/ieee754-sf.S: New file.
15484 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15485 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15486 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15488 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15490 * config/sh/predicates.md (binary_float_operator,
15491 binary_logical_operator, commutative_float_operator,
15492 equality_comparison_operator, greater_comparison_operator,
15493 less_comparison_operator, logical_operator,
15494 noncommutative_float_operator, shift_operator,
15495 symbol_ref_operand, unary_float_operator): Remove redundant
15498 2006-01-09 Jeff Law <law@redhat.com>
15500 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15501 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15502 now unused arguments. Callers updated.
15503 (eliminate_redundant_computations): Remove now unused arguments,
15505 (local_fold): Remove, no longer used.
15506 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15508 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15509 (simplify_cond): New function.
15510 (forward_propagate_into_cond): Call simplify_cond.
15512 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15514 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15515 (*vec_extractv2di_1_sse): New.
15517 2006-01-09 Ben Elliston <bje@au.ibm.com>
15519 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15521 2006-01-08 Richard Guenther <rguenther@suse.de>
15523 * tree-ssa-structalias.c (get_constraint_for): Remove
15524 anyoffset argument.
15525 (get_constraint_for_component_ref): Likewise.
15526 (do_deref): Likewise.
15527 (get_constraint_for): Likewise.
15528 (do_structure_copy): Likewise.
15529 (handle_ptr_arith): Likewise.
15530 (find_func_aliases): Likewise. Remove unused need_anyoffset
15533 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15534 Kaz Kojima <kkojima@gcc.gnu.org>
15536 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15537 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15538 (EXTRA_CONSTRAINT_C16): Remove.
15539 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15540 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15541 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15542 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15543 constants of SHmedia. Handle nested constant expressions of
15545 (andcosts): Fix the costs for SHmedia constants.
15546 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15547 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15548 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15549 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15550 (movv4hi_i, movv2si_i): Likewise.
15551 (movsi_const): Adjust the second operand of ior so to match with
15552 the Csu constraint.
15553 (movdi_const, movdi_const_32bit): Likewise.
15554 (movdi_const_16bit+1): Don't sign-extend LOW.
15555 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15557 (*double_shori): Fix the split condition. Use GEN_INT instead
15558 of get_int_mode calls. Mask lower 16-bit of the argument of
15560 (sym2GOTPLT): Remove.
15561 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15563 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15564 instead of EXTRA_CONSTRAINT_C16.
15566 2006-01-07 Ian Lance Taylor <ian@airs.com>
15567 David Edelsohn <edelsohn@gnu.org>
15569 PR rtl-optimization/25662
15570 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15571 for constant operands instead of simplify_gen_binary.
15572 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15573 after trying simplify_binary_operation
15575 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15577 * tree.c (iterative_hash_expr): Hash decls based on UID.
15579 2006-01-06 Eric Christopher <echristo@apple.com>
15581 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15582 (TARGET_UNWIND_EMIT): Fix spelling.
15583 * target.h (gcc_target): Add except_table_label.
15584 * except.c (output_function_exception_table): Use.
15585 * varasm.c (default_emit_except_table_label): New.
15586 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15588 (asm_out): Add here.
15589 * output.h (default_emit_except_table_label): Prototype.
15590 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15591 * config/darwin.c (darwin_emit_except_table_label): Define.
15592 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15594 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15596 PR tree-optimization/18527
15597 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15598 number_of_iterations_special, number_of_iterations_exit):
15599 Move base and step of an iv to a single structure. Add
15600 no_overflow flag, and use it in # of iterations analysis.
15601 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15602 folded_casts argument.
15603 (simple_iv): Pass base and step in a structure. Set no_overflow
15605 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15606 Evaluate expensiveness of computing # of iterations instead of
15607 the final expression.
15608 * tree-scalar-evolution.h (affine_iv): New structure.
15609 (simple_iv): Declaration changed.
15610 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15611 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15612 find_givs_in_stmt): Changed due to simple_iv change.
15614 2006-01-06 Jeff Law <law@redhat.com>
15617 * tree-cfg.c (bsi_replace): Rename final argument from
15618 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15619 change (stmt -> orig_stmt).
15620 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15621 (bsi_remove): Add new argument. Remove EH information
15623 (verify_eh_throw_table_statements): New function.
15624 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15626 * tree-optimize.c (execute_free_cfg_annotations): Verify
15627 the EH throw statement table after removing annotations.
15628 * except.h (verify_eh_throw_table_statements): Prototype.
15629 * tree-flow.h (bsi_remove): Update prototype.
15630 * tree-vrp.c (remove_range_assertions): Add new argument to
15632 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15633 * tree-complex.c (expand_complex_div_wide): Likewise.
15634 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15635 * tree-tailcall.c (eliminate_tailcall): Likewise.
15636 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15637 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15638 * tree-nrv.c (tree_nrv): Likewise.
15639 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15640 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15641 (combine_blocks): Likewise.
15642 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15643 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15644 (cleanup_control_flow): Likewise.
15645 (remove_forwarder_block): Likewise.
15646 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15647 * tree-sra.c (sra_replace): Likewise.
15648 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15649 (forward_propagate_single_use_vars): Likewise.
15650 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15651 * tree-inline.c (expand_call_inline): Likewise.
15652 * tree-vect-transform.c (vect_transform_loop): Likewise.
15653 * tree-outof-ssa.c (rewrite_trees): Likewise.
15654 * tree-cfg.c (make_goto_expr_edges): Likewise.
15655 (cleanup_dead_labels): Likewise.
15656 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15657 (bsi_move_before, bsi_move_after): Likewise.
15658 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15659 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15661 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15664 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15666 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15667 on non gimple variables. Also add checks at the top for decls and
15669 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15671 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15672 and IMAGPART_EXPR for creating MUST_DEFs.
15673 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15674 and NAME_MEMORY_TAG separately from the DECLs.
15676 2006-01-06 Richard Guenther <rguenther@suse.de>
15678 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15679 annotation, if necessary.
15680 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15681 redundant calls to update_stmt.
15682 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15685 2006-01-05 Richard Henderson <rth@redhat.com>
15687 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15689 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15691 * c-typeck.c: Update copyright date.
15693 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15695 * c-typeck.c (build_c_cast): Always warn when casting
15696 from a pointer to an integer of different size, even if
15697 the node was constant.
15699 2006-01-05 Richard Guenther <rguenther@suse.de>
15701 PR tree-optimization/22555
15702 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15703 if one structure field is an array.
15704 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15705 operands even if we found a subvar, but ignore VOPs in this
15707 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15709 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15711 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15713 PR middle-end/24998
15714 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15716 2006-01-05 Richard Guenther <rguenther@suse.de>
15717 Diego Novillo <dnovillo@redhat.com>
15719 * tree-pass.h (TODO_remove_unused_locals): Define.
15720 * gimple-low.c (expand_var_p, remove_useless_vars,
15721 pass_remove_useless_vars): Remove. Update all users.
15722 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15723 (remove_unused_locals): New function.
15724 * tree-flow.h (remove_unused_locals): Declare.
15725 * passes.c (execute_todo): Call remove_unused_locals if
15726 TODO_remove_unused_locals is set.
15727 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15728 * tree-ssa-dce.c (pass_dce): Likewise.
15729 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15731 2006-01-05 Richard Guenther <rguenther@suse.de>
15733 * tree-flow.h (struct fieldoff): Decompose field to
15734 type, size and decl.
15735 * tree-ssa-alias.c (create_sft): Take type as parameter.
15736 (create_overlap_variables_for): Store type, size and decl
15737 in the fieldoff structure.
15738 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15739 of struct fieldoff.
15740 (push_fields_onto_fieldstack): Likewise.
15741 (create_variable_info_for): Likewise. Use offset for the
15742 SFT name if the decl is not available.
15744 2006-01-04 Paul Brook <paul@codesourcery.com>
15746 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15748 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15750 * lambda-code.c (can_put_in_inner_loop): Relax
15752 (can_put_after_inner_loop): New function.
15753 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15754 (perfect_nestify): Change to make copies and modify uses.
15756 2006-01-04 Richard Henderson <rth@redhat.com>
15758 Merge from gomp branch:
15759 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15760 via integer constant.
15761 (pragma_lex): Remove.
15762 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15763 rather than parsing it.
15764 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15765 handle_pragma_extern_prefix): Add %< %> quotes.
15766 (registered_pragmas): New.
15767 (c_register_pragma_1): New.
15768 (c_register_pragma): Use it.
15769 (c_register_pragma_with_expansion): Likewise.
15770 (c_invoke_pragma_handler): New.
15771 (init_pragma): Use cpp_register_deferred_pragma directly for
15773 * c-pragma.h (enum pragma_kind): New.
15774 (pragma_handler): New.
15775 (c_invoke_pragma_handler): Declare.
15776 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15778 * c-common.h (c_common_pch_pragma): Update decl.
15779 * Makefile.in (c-parser.o): Update dependencies.
15780 (GTFILES): Add c-pragma.h.
15781 * c-parser.c (struct c_token): Add pragma_kind.
15782 (struct c_parser): Add in_pragma.
15783 (c_lex_one_token): Always initialize keyword and pragma_kind.
15784 Extract data for CPP_PRAGMA.
15785 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15786 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15787 Don't allow CPP_PRAGMA_EOL if in_pragma.
15788 (c_parser_consume_pragma): New.
15789 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15790 (c_parser_skip_to_end_of_parameter): Likewise.
15791 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15792 (c_parser_skip_to_pragma_eol): New.
15793 (c_parser_external_declaration): Handle CPP_PRAGMA.
15794 (c_parser_compound_statement_nostart): Likewise.
15795 (c_parser_statement_after_labels): Likewise.
15796 (c_parser_pragma): New.
15797 (pragma_lex): Likewise.
15798 (c_parser_pragma_pch_preprocess): New.
15799 (c_parser_new): Merge into ...
15800 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15802 2006-01-04 Jeff Law <law@redhat.com>
15805 * tree-cfg.c (bsi_replace): Remove the original statement
15806 from the EH throw statement table.
15808 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15810 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15811 make the prototype extern "C" and add throw ().
15814 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15815 and pos non-negative and pos + len <= 32.
15816 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15817 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15818 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15821 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15822 as well as sizes not multiple of component size.
15825 * function.c (instantiate_expr): New function.
15826 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15827 walk its DECL_VALUE_EXPR with instantiate_expr.
15829 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15830 DW_OP_deref{,_size} if address isn't going to be added.
15832 2006-01-04 Ben Elliston <bje@au.ibm.com>
15834 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15835 * config/fp-bit.c: Likewise.
15837 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15839 * dominance.c: Add comment about why we use DFS numbering
15842 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15843 Richard Henderson <rth@redhat.com>
15845 Merge from gomp-branch:
15846 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15847 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15849 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15851 PR rtl-optimization/25578
15852 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15853 pass a parameter to simplify_shift_const if changing ASHIFTRT
15856 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15858 * builtins.c (get_builtin_sync_mem): New function.
15859 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15860 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15861 Call get_builtin_sync_mem to generate mem rtx.
15863 2006-01-03 Richard Guenther <rguenther@suse.de>
15866 * stmt.c (add_case_node): Make sure to clear overflow flags
15869 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15871 Merge from gomp-branch.
15872 * config/sparc/sync.md: New file.
15873 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15874 UNSPECV_LDSTUB): New constants.
15875 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15876 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15877 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15880 2006-01-03 Roger Sayle <roger@eyesopen.com>
15882 * combine.c (reg_subword_p): New predicate to test whether the
15883 destination of a set refers to a subword/piece of a register.
15884 (try_combine): Generalize the code to merge the setting of a
15885 pseudo to a constant followed by a set of a subword of that
15886 register to a constant.
15888 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15890 * basic-block.h (control_flow_graph): Change the type of
15891 x_label_to_block_map to VEC(basic_block,gc) *.
15892 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15893 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15895 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15896 VEC(basic_block,heap) *.
15897 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15898 ssa_prop_fini): Adjust the uses of cfg_blocks.
15900 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15902 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15904 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15905 hashing trees instead of a pointer hash.
15906 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15907 compare for MEM_EXPR.
15909 PR rtl-optimization/25130
15910 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15911 when comparing MEMs for GCSE
15913 2006-01-03 Ben Elliston <bje@au.ibm.com>
15915 * targhooks.h (default_decimal_float_supported_p): Declare.
15916 * targhooks.c (default_decimal_float_supported_p): Define.
15917 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15918 `default_decimal_float_supported_p'.
15919 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15921 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15923 * combine.c (apply_distributive_law <SUBREG>): Check
15924 TRULY_NOOP_TRUNCATION.
15926 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15928 * dwarf2out.c (have_switched_text_section): Delete.
15929 (have_multiple_function_sections): New.
15930 (have_location_lists): Make 'bool'.
15931 (add_AT_loc_list): Use 'true' not '1'.
15932 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15933 (output_loc_list): Use have_multiple_function_sections.
15934 (output_ranges): Likewise.
15935 (dwarf2out_begin_function): Set have_multiple_function_sections if
15937 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15938 Check function_section rather than DECL_SECTION_NAME.
15939 (dwarf2out_finish): Use have_multiple_function_sections.
15940 Don't clear have_location_lists.
15942 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15943 Jan Hubicka <jh@suse.cz>
15945 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15946 case of conditional jump jumping to the next instruction.
15947 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15948 cases of conditional jump jumping to the next instruction.
15950 2006-01-02 Jan Hubicka <jh@suse.cz>
15952 * i386.c (*_cost): Add COSTS_N_INSNS.
15953 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15955 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15958 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15960 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15962 * config/arm/arm.c (all_fpus): Fix comment typo.
15963 * config/darwin.c: Likewise.
15964 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15965 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15966 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15968 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15970 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15971 (rs6000_split_compare_and_swapqhi): New.
15972 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15973 (sync_compare_and_swapqhi_internal): New.
15974 * config/rs6000/rs6000-protos.h: Declare.