1 2006-10-17 Paul Brook <paul@codesourcery.com>
3 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
8 Standardize on "GNU Fortran" as the official name of the Fortran
11 2006-10-16 Mike Stump <mrs@apple.com>
13 * doc/invoke.texi (Darwin Options): Document -mkernel.
14 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
16 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
17 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
18 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
19 (OS_MISSING_ALTIVEC): Add.
20 * config/i386/i386.c (override_options): Add
21 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
22 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
23 -mkernel, -static or -mdynamic-no-pic is given.
24 (C_COMMON_OVERRIDE_OPTIONS): Add.
25 * config/darwin.opt (fapple-kext): Add.
27 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
28 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
30 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
31 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
32 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
33 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
34 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
36 (flag_apple_kext): Add.
37 (TARGET_KEXTABI): Add.
38 * config/darwin.c (darwin_handle_kext_attribute): Add.
39 (DARWIN_VTABLE_P): Add.
40 (darwin_binds_local_p): Add partial support for rebinding vtables
42 (darwin_kextabi_p): Add.
43 (darwin_override_options): Add.
44 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
45 (darwin_kextabi_p): Add.
46 (darwin_override_options): Add.
47 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
48 __DYNAMIC__ and __STATIC__ here.
50 2006-10-16 Brooks Moses <bmoses@stanford.edu>
52 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
53 Added mention of "make pdf" target, and Texinfo requirements for
56 2006-10-16 DJ Delorie <dj@redhat.com>
58 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
59 into the GOT in case we need a subreg of the address.
61 2006-10-16 Richard Guenther <rguenther@suse.de>
64 * doc/extend.texi (X86 Built-in Functions): Fix typos in
65 SSE builtin documentation. Document SSE2 builtins.
67 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
69 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
70 symbol in the output file for non-shared links when -nostdlib or
71 -nodefaultlibs isn't specified.
73 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
76 2006-10-15 Jan Hubicka <jh@suse.cz>
79 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
80 declared always_inline even when not inlining.
82 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
83 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
84 Andrew Pinski <pinskia@gmail.com>
87 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
89 2006-10-15 Jan Hubicka <jh@suse.cz>
90 Richard Guenther <rguenther@suse.de>
93 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
94 process_function_and_variable_attributes on all variables, including
95 those discovered during cgraph construction phase.
97 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
99 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
101 2006-10-14 Uros Bizjak <uros@kss-loka.si>
103 * config/i386/athlon.md (athlon_fist): Add fisttp.
105 2006-10-13 David Edelsohn <edelsohn@gnu.org>
106 Ian Lance Taylor <ian@airs.com>
109 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
110 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
113 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
115 * config/score/score.c, config/score/score.h: Fix comment
118 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
121 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
124 2006-10-13 Eric Christopher <echristo@apple.com>
126 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
128 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
131 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
132 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
133 alignment supported by 32-bit ELF.
135 2006-10-13 Eric Christopher <echristo@apple.com>
137 * config/darwin.c (darwin_emit_unwind_label): Strip
138 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
140 2006-10-13 Richard Guenther <rguenther@suse.de>
142 PR tree-optimization/29446
143 * tree-vrp.c (fix_equivalence_set): Remove.
144 (extract_range_from_assert): Do not call fix_equivalence_set.
145 (debug_value_range): Print a newline.
146 (compare_name_with_value): For equivalence sets with
147 inconsistent value ranges conservatively bail out.
148 (compare_names): Likewise.
150 2006-10-13 David Edelsohn <edelsohn@gnu.org>
152 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
153 and MPFR for gfortran.
155 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
157 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
158 alignment supported by 32-bit ELF.
160 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
164 * c-typeck.c (digest_init): Always allow initializing vectors
165 that have static storage duration with compound literals.
166 * tree.c (build_type_attribute_qual_variant): New, based on
167 build_type_attribute_variant.
168 (build_type_attribute_variant): Rewrite using the former.
169 (make_vector_type): Use build_type_attribute_qual_variant to build
170 type variants. Use type_hash_canon on the others.
172 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
173 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
175 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
177 2006-10-12 Jan Hubicka <jh@suse.cz>
180 * c-decl.c (c_make_fname_decl): Do not segfault in case where
181 current_function_decl is set but current_function_scope is not.
183 2006-10-12 Jie Zhang <jie.zhang@analog.com>
185 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
186 emit_insn to emit eh_return_internal instruction.
187 (eh_return_internal): Explicitly set pc.
189 2006-10-11 Richard Guenther <rguenther@suse.de>
191 PR tree-optimization/28230
192 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
193 to the correct place.
195 2006-10-11 Richard Guenther <rguenther@suse.de>
198 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
201 2006-10-10 Brooks Moses <bmoses@stanford.edu>
203 * configure.ac: Added pdf to "Make-hooks"
204 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
205 targets and *.pdf file patterns in cleanup targets.
206 * configure: Regenerated.
208 2006-10-10 Anatoly Sokolov <aesok@post.ru>
210 * config/avr/predicates.md: New file.
211 * config/avr/avr.md: Include it.
212 (REG_SP): New constant.
213 (peepholes): Use predicates.
214 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
215 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
216 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
218 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
220 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
223 2006-10-10 Jakub Jelinek <jakub@redhat.com>
226 * builtins.c (var_decl_component_p): New function.
227 (fold_builtin_memset, fold_builtin_memory_op): Restrict
228 single entry optimization to variables and components thereof.
230 2006-10-10 Richard Guenther <rguenther@suse.de>
232 PR rtl-optimization/29323
233 * except.c (set_nothrow_function_flags): For functions
234 that do not bind local bail out early.
236 2006-10-10 Ben Elliston <bje@au.ibm.com>
238 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
241 2006-10-09 Richard Henderson <rth@redhat.com>
245 2006-10-09 Richard Guenther <rguenther@suse.de>
248 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
251 2006-10-09 Steve Ellcey <sje@cup.hp.com>
254 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
255 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
256 * configure: Regenerate.
257 * config.in: Regenerate.
259 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
261 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
263 2006-10-08 Richard Sandiford <richard@codesourcery.com>
265 * config/mips/mips.c (mips_legitimize_tls_address): Implement
266 all TLS models in the same way as local exec if !TARGET_ABICALLS.
267 Remove stray newline.
269 2006-10-08 Richard Sandiford <richard@codesourcery.com>
271 * config/mips/mips.c (mips_classify_symbol): Do not return
272 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
273 (mips_in_small_data_p): Tweak comments.
275 2006-10-08 Richard Sandiford <richard@codesourcery.com>
277 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
279 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
281 * gimplify.c, sched-int.h: Fix comment typos.
283 * sched-int.h: Fix comment typos.
285 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
287 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
289 * sched-ebb.c (begin_schedule_ready): Use them.
290 * haifa-sched.c (schedule_insn, move_insn, try_ready,
291 add_to_speculative_block, create_check_block_twin, speculate_insn,
292 fix_jump_move, move_block_after_check): Ditto.
293 * sched-rgn.c (new_ready): Ditto.
295 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
297 PR rtl-optimization/29128
298 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
299 * sched-ebb.c (advance_target_bb): Use it to fix condition to
300 allow interblock movement of speculation checks.
302 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
305 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
306 casted to integer type.
307 (get_address_cost): Decrease cost of [symbol + index] addressing modes
308 if they are significantly more expensive than [reg + index] ones.
310 2006-10-06 Jakub Jelinek <jakub@redhat.com>
312 PR tree-optimization/29330
313 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
314 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
315 on newly allocated ddrs.
316 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
317 to VEC (loop_p, heap) pointer.
318 (compute_data_dependences_for_loop): Adjust caller.
319 (free_dependence_relations): Free DDR_LOOP_NEST.
321 * tree-loop-linear.c (linear_transform_loops): Don't forget to
322 free DEPENDENCE_RELATIONS and DATAREFS.
325 * builtins.c (expand_builtin_sync_operation,
326 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
327 Use convert_to_mode to handle promoted arguments.
329 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
331 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
333 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
335 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
337 2006-10-05 Uros Bizjak <uros@kss-loka.si>
339 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
340 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
341 Use <modeconstraint> instead of "r" as operand 1 constraint.
343 2006-10-06 Olivier Hainque <hainque@adacore.com>
345 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
346 Don't recurse on the pointed-to type.
347 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
348 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
349 types with components of variable size.
351 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
353 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
355 2006-10-06 Jakub Jelinek <jakub@redhat.com>
357 PR tree-optimization/29290
358 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
362 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
363 * config/i386/predicates.md (local_symbolic_operand): Likewise.
366 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
367 the number of vector elements fill the rest with zeros.
369 2006-10-05 Richard Sandiford <richard@codesourcery.com>
371 * config/mips/mips.c (mips_pass_by_reference): Do not return false
372 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
375 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
377 * config/bfin/bfin.md (subsi3): Lose expander, change previously
378 unnamed pattern into subsi3. Use correct constraints/predicates.
379 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
380 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
382 2006-10-05 Ira Rosen <irar@il.ibm.com>
384 * doc/loop.texi: Add data references analysis description.
386 2006-10-04 Brooks Moses <bmoses@stanford.edu>
388 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
390 2006-10-04 Richard Henderson <rth@redhat.com>
391 Jakub Jelinek <jakub@redhat.com>
393 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
394 * builtin-types.def (BT_WORD): Make unsigned.
395 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
396 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
397 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
398 * c-decl.c (grokdeclarator): Don't error if !have_tls.
399 * c-parser.c (c_parser_omp_threadprivate): Likewise.
400 * cgraph.c (decide_is_variable_needed): Look at force_output.
401 Recurse for emulated tls.
402 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
403 checks redundant with decide_is_variable_needed.
404 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
405 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
407 * expr.c (emutls_var_address): New.
408 (expand_expr_real_1): Expand emulated tls.
409 (expand_expr_addr_expr_1): Likewise.
410 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
411 * output.h (emutls_finish): Declare.
412 * toplev.c (compile_file): Call it.
413 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
414 address before wrapping in CONST.
415 * varasm.c (emutls_htab, emutls_object_type): New.
416 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
417 (get_emutls_object_name, get_emutls_object_type): New.
418 (get_emutls_init_templ_addr, emutls_decl): New.
419 (emutls_common_1, emutls_finish): New.
420 (assemble_variable): When emulating tls, swap decls; generate
421 constructor for the emutls objects.
422 (do_assemble_alias): When emulating tls, swap decl and target name.
423 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
425 * emutls.c: New file.
426 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
427 tls_object for real tls.
429 2006-10-04 Zack Weinberg <zackw@panix.com>
431 Fix bug in constraint-check generator, reported by Rask Ingemann
433 * genpreds.c (add_constraint): Don't remove anything from the
435 (write_tm_constrs_h): Detect whether "op" argument is used, and
436 mark it ARG_UNUSED if it isn't.
437 (write_insn_const_int_ok_for_constraint): Skip the part of the
438 expression that would test whether "op" (which is not available
439 here) is a CONST_INT.
441 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
444 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
446 2006-10-03 Geoffrey Keating <geoffk@apple.com>
448 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
449 current Leopard versions.
450 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
452 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
454 * doc/install.texi: Fix typos.
456 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
458 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
459 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
460 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
462 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
464 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
465 arg to be struct mach_header_64* instead.
467 2006-10-02 Jakub Jelinek <jakub@redhat.com>
470 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
471 side effects after the outer expression's post side effects.
473 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
475 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
476 comments to reflect actual behavior and relationship between
477 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
479 * doc/c-tree.texi (Working with declarations): Fix documentation
480 of FIELD_DECL likewise.
482 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
485 * doc/extend.texi: Add used variable attribute description.
487 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
490 * c.opt (Woverride-init): New.
491 * c-opts.c (c_common_post_options): Default warn_override_init to
493 * c-typeck.c (add_pending_init, output_init_element): Warn for
494 overriding initializers without side effects.
495 * doc/invoke.texi (-Woverride-init): Document.
498 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
500 PR rtl-optimization/28096
501 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
502 assignment has already been used as a destination earlier in the block.
504 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
506 * builtins.c (expand_builtin_setjmp): Delete.
507 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
508 <BUILT_IN_SETJMP_SETUP>: New case.
509 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
510 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
511 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
512 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
513 (BUILT_IN_SETJMP_RECEIVER): Likewise.
514 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
515 (lower_function_body): Initialize it to false. If it is set to true
516 at the end of the processing, emit the setjmp dispatcher.
517 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
518 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
519 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
520 on the rhs of the assignment.
521 (lower_builtin_setjmp): New function.
522 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
523 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
524 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
525 to detect calls that can go to non-local labels. Use specific
526 helper to create the abnormal edges associated with them.
527 <MODIFY_EXPR>: Likewise.
528 (make_abnormal_goto_edges): New function extracted from...
529 (make_goto_expr_edges): ...here. Call it for computed gotos.
530 (simple_goto_p): Minor tweak.
531 (tree_can_make_abnormal_goto): New predicate.
532 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
533 (tree_purge_dead_abnormal_call_edges): New function.
534 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
535 (tree_purge_dead_abnormal_call_edges): Likewise.
536 (make_abnormal_goto_edges): Likewise.
537 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
538 Purge all dead abnormal edges if the call was in the last statement.
539 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
540 (execute_fixup_cfg): If there are non-local labels in the function,
541 scan the basic blocks and split them at calls that can go to non-local
542 labels or add missing abnormal call edges. Write down the CFG in the
544 (pass_fixup_cfg): Remove TODO_dump_func flag.
545 * unwind-sjlj.c: Poison setjmp.
546 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
547 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
548 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
549 (DONT_USE_BUILTIN_SETJMP): Document it.
551 2006-09-28 Geoffrey Keating <geoffk@apple.com>
554 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
555 to 1 when __ppc64__ is defined.
556 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
558 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
560 2006-09-28 Steve Ellcey <sje@cup.hp.com>
562 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
563 * config/ia64/unwind-hpux.c: Delete.
565 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
567 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
568 on the element before gimplifying it, instead of punting if it is of
571 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
573 * doc/loop.texi: New file.
574 * doc/gccint.texi: Reference loop.texi.
575 * Makefile.in (loop.texi): Add.
577 2006-09-27 Geoffrey Keating <geoffk@apple.com>
579 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
581 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
582 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
584 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
586 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
588 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
590 * doc/install.texi: Document required versions of GMP and MPFR.
592 2006-09-27 Paul Brook <paul@codesourcery.com>
595 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
597 2006-09-27 Richard Sandiford <richard@codesourcery.com>
599 * reload1.c (alter_reg): Require the alignment of the stack slot to
600 be at least reg_max_ref_width bytes.
601 (scan_paradoxical_subregs): Record the largest width in
604 2006-09-26 Jakub Jelinek <jakub@redhat.com>
608 * tree-nested.c (struct nesting_info): Added static_chain_added.
609 (convert_call_expr): Set static_chain_added when adding static
610 chain. Handle OMP_PARALLEL and OMP_SECTION.
612 2006-09-25 Matthias Klose <doko@debian.org>
614 * doc/invoke.texi: Add missing full stop.
616 2006-09-25 Richard Henderson <rth@redhat.com>
618 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
619 before cgraph_function_flags_ready.
621 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
622 Adam Nemet <anemet@caviumnetworks.com>
624 * tree-ssa-loop-ivopts.c (aff_combination_convert,
625 determine_common_wider_type): New functions.
626 (get_computation_aff): Use them to simplify arithmetic between
627 UBASE and CBASE if they are shortened from the same type.
629 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
632 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
633 -2147483647 - 1 instead of 0x80000000.
635 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
637 * flags.h (HONOR_NANS): Fix typo in comment.
639 2006-09-23 Uros Bizjak <uros@kss-loka.si>
641 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
643 2006-09-23 Jakub Jelinek <jakub@redhat.com>
647 * tree.c (merge_attributes, attribute_list_contained): If both
648 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
650 * c-typeck.c (comptypes_internal): Don't consider aggregates
651 in different TUs as compatible if there one set of attributes is
652 not a subset of the other type's attributes.
653 (composite_type): Try harder not to create a new aggregate type.
655 2006-09-22 Geoffrey Keating <geoffk@apple.com>
657 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
658 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
659 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
660 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
661 than replicating condition above.
662 * config.host (i[34567]86-*-*): Always use driver-i386.o.
664 * config/darwin.h (LINK_SYSROOT_SPEC): New.
665 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
666 the linker by default.
668 2006-09-22 Mike Stump <mrs@apple.com>
670 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
673 2006-09-22 Richard Guenther <rguenther@suse.de>
676 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
677 sort of stack variables stable.
679 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
682 * explow.c (force_reg): Set REG_POINTER flag according to
685 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
687 PR tree-optimization/28888
688 * tree-if-conv.c (combine_blocks): Rewritten.
689 * tree-cfg.c (tree_verify_flow_info): Check that edges with
690 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
692 2006-09-22 Jakub Jelinek <jakub@redhat.com>
694 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
697 2006-09-21 Richard Sandiford <richard@codesourcery.com>
699 * varasm.c (copy_constant): Fix reversed gcc_assert check.
701 2006-09-21 Janis Johnson <janis187@us.ibm.com>
703 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
705 2006-09-21 Roger Sayle <roger@eyesopen.com>
708 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
709 dw_fde_current_label, to be the start of the function, i.e. the same
710 value as dw_fde_begin.
712 2006-09-20 Richard Sandiford <richard@codesourcery.com>
714 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
715 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
716 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
717 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
718 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
719 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
720 (abs<mode>2, neg<mode>2): Likewise.
721 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
722 (*mips_abs_ps): New define_insn.
724 2006-09-20 Josh Conner <jconner@apple.com>
727 * calls.c (expand_call): Allow reuse of structure return stack
730 2006-09-20 Paul Brook <paul@codesourcery.com>
732 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
735 2006-09-20 Janis Johnson <janis187@us.ibm.com>
737 * doc/extend.texi (Decimal Float): Update for latest draft TR,
738 clean up terminology.
740 2006-09-20 Steve Ellcey <sje@cup.hp.com>
743 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
744 with tablejumps in them.
746 2006-09-20 Jakub Jelinek <jakub@redhat.com>
749 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
750 wrap it into TARGET_EXPR.
752 2006-09-20 Eric Christopher <echristo@apple.com>
754 * config/i386/i386.c (x86_fisttp): Remove.
755 * config/i386/i386.h (x86_fisttp): Ditto.
756 (TARGET_FISTTP): Ditto.
758 2006-09-19 Eric Christopher <echristo@apple.com>
760 * doc/tm.texi (OBJC_JBLEN): Describe.
761 * config/i386/darwin.h (OBJC_JBLEN): Define.
762 * config/rs6000/darwin.h: Ditto.
764 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
766 PR rtl-optimization/21299
767 * reload1.c (reload): Purge invalid ASMs in the final pass.
769 2006-09-19 Steve Ellcey <sje@cup.hp.com>
772 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
773 pointers as legitimate constants.
775 2006-09-19 Paul Brook <paul@codesourcery.com>
778 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
780 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
782 PR tree-optimization/28887
783 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
784 component parts from the reference.
785 (gather_memory_references_ref): Record the reference without the
786 nonaddressable component parts.
788 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
791 * c-opts.c (c_common_handle_option): Ignore the -std options
792 if the input language is assembly.
794 2006-09-17 Ira Rosen <irar@il.ibm.com>
797 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
799 (ptr_ptr_may_alias_p): Likewise.
800 (record_record_differ_p): New function.
801 (base_object_differ_p): Call record_record_differ_p.
803 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
806 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
807 away for the expr argument.
809 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
812 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
813 before using it for dumping after vectorizing loops.
815 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
816 Jack Howarth <howarth@bromo.med.uc.edu>
819 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
820 skip on error_mark_node.
821 (rs6000_darwin64_record_arg_recurse): Likewise.
823 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
825 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
826 * doc/rtl.texi: Remove related documentation.
828 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
830 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
833 2006-09-15 Jim Wilson <wilson@specifix.com>
835 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
836 Handle symbol offsets same as they are handled in ia64_expand_move
839 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
841 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
842 Add forgotten parameter to the fprintf call.
844 2006-09-15 Steve Ellcey <sje@cup.hp.com>
846 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
848 2006-09-15 Uros Bizjak <uros@kss-loka.si>
850 * doc/contrib.texi: Add my entry.
852 2006-09-15 Nick Clifton <nickc@redhat.com>
854 * doc/md.texi (Processor pipeline description): Fix typo in
855 example of how to use the absence_set directive and reword the
856 description to make it slightly easier to read.
858 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
860 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
861 * loop-doloop.c (doloop_optimize): Use it to limit costs of
862 expanding the number of iterations.
863 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
865 * cfgrtl.c (emit_insn_at_entry): New function.
866 * rtl.h (emit_insn_at_entry): Declare it.
867 * integrate.c (emit_initial_value_sets): Use it.
869 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
871 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
873 (struct loop_work and related VEC declarations): Delete.
874 (bfin_dump_loops): Print out new member bad.
875 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
876 (bfin_scan_loop): Don't recurse.
877 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
878 loops. No longer need to update outer loops if the current one is
879 found bad. Move some validitiy checks to bfin_discover_loop.
880 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
881 but changed not to check for nesting. Also changed to use the new bad
883 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
884 time. Use bitmap based test to discover loop nesting.
886 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
888 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
891 2006-09-14 Richard Guenther <rguenther@suse.de>
892 Kazu Hirata <kazu@codesourcery.com>
895 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
896 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
897 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
898 with TARGET_FUNCTION_VALUE.
900 2006-09-14 Anatoly Sokolov <aesok@post.ru>
903 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
905 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
907 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
910 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
913 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
916 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
918 * basic_block.h (bb_has_eh_pred): Fix comment.
920 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
922 * flow.c (calculate_global_regs_live): Invalidate eh registers
923 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
924 (propagate_block): Handle eh registers as if they were set at basic
926 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
928 * global.c (global_conflicts): Make eh registers to conflict with
929 pseudos live at basic block begin.
930 * basic_block.h (bb_has_eh_pred): New function.
932 2006-09-13 Richard Sandiford <richard@codesourcery.com>
934 PR rtl-optimization/28982
935 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
936 index of a PRE_MODIFY or POST_MODIFY address.
937 * reload1.c (inc_for_reload): Use find_replacement on the original
938 base and index registers.
940 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
942 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
943 for -Os. Update __m128 alignment requirement.
945 2006-09-13 Jan Hubicka <jh@suse.cz>
947 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
949 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
951 PR rtl-optimization/28243
952 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
953 the insn to which the note was originally attached.
955 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
956 Roger Sayle <roger@eyesopen.com>
958 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
959 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
960 on platforms that don't use dwarf for debug info.
962 2006-09-12 Jason Merrill <jason@redhat.com>
965 * builtins.c (expand_builtin_setjmp_receiver): Clobber
966 hard_frame_pointer_rtx after using it to update the frame pointer.
968 2006-09-12 Roger Sayle <roger@eyesopen.com>
970 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
971 (TARGET_ASM_CLOSE_PAREN): Likewise.
972 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
973 (TARGET_ASM_CLOSE_PAREN): Likewise.
975 2006-09-12 Roger Sayle <roger@eyesopen.com>
978 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
979 frame information for frames larger than 512 Kbytes on Tru64 when
980 using the native assembler.
982 2006-09-12 Roger Sayle <roger@eyesopen.com>
986 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
987 and symbols. Instead use the implementation from cse.c's hash_rtx.
989 2006-09-12 Jan Hubicka <jh@suse.cz>
991 PR rtl-optimization/28071
992 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
993 (vect_transform_loop): Likewise.
994 * tree-vectorizer.c (new_loop_vec_info): Likewise.
995 (new_loop_vec_info): Likewise.
996 (destroy_loop_vec_info): Likewise.
997 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
998 (create_stmt_ann): Likewise.
999 (create_tree_ann): Rename to ...
1000 (create_tree_common_ann): ... this one; allocate only the common part
1002 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1003 (get_value_handle): Likewise.
1004 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1005 get_tree_common_ann.
1006 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1007 (vinfo_for_stmt): Use stmt annotations.
1008 * tree-flow.h (tree_ann_common_t): New type.
1009 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1010 (tree_ann, get_tree_ann, create_tree_ann): New.
1011 * tree-flow-inline.h (get_function_ann): Do more type checking.
1012 (stmt_ann): Likewise.
1013 (tree_ann): Rename to ...
1014 (tree_common_ann): ... this one; return ony common_ann
1015 (get_tree_ann): Rename to ...
1016 (tree_common_ann): This one; return only common_ann.
1017 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1020 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1022 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1023 with_cpu by default.
1025 * dwarf2out.c (dwarf_file_data): New.
1026 (enum dw_val_class): Add dw_val_class_file.
1027 (struct dw_val_struct): Add val_file.
1028 (file_table): Change to a hash table.
1029 (file_table_emitted): Delete.
1030 (file_table_last_lookup_index): Delete.
1031 (emitcount): Delete.
1032 (last_emitted_file): New.
1033 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1034 (init_file_table): Delete.
1035 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1036 (AT_addr): Add comment.
1040 (print_die): Handle dw_val_class_file.
1041 (print_dwarf_line_table): Update for new file table structure.
1042 (attr_checksum): Do checksum a filename.
1043 (same_dw_val_p, same_attr_p): Do compare a filename.
1044 (size_of_die): Handle dw_val_class_file.
1045 (value_format): Likewise.
1046 (output_die): Likewise. Also, call maybe_emit_file here.
1047 (struct file_info): Constify filenames. Make file_idx a pointer
1048 to a struct dwarf_file_data.
1049 (struct dir_info): Constify directory names. Remove 'used' field.
1050 (struct file_name_acquire_data): New.
1051 (file_name_acquire): New.
1052 (output_file_names): Modify to handle new file data structures.
1053 (add_src_coords_attributes): Use add_AT_file.
1054 (add_call_src_coords_attributes): Likewise.
1055 (dwarf2out_imported_module_or_decl): Likewise.
1056 (gen_subprogram_die): Modify for new file data structures.
1057 (gen_variable_die): Likewise.
1058 (file_table_eq): New.
1059 (file_table_hash): New.
1060 (file_table_last_lookup): New.
1061 (lookup_filename): Rewrite to handle new file data structures.
1062 (maybe_emit_file): Rewrite to handle new file data structures.
1063 (dwarf2out_source_line): Always call lookup_filename and
1065 (dwarf2out_init): Create file_table here.
1066 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1067 (file_table_relative_p): New.
1068 (dwarf2out_finish): Change detection of relative filenames
1069 to work with new file data structures. Move output_line_info call
1070 after debug_info output.
1072 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1077 * config/i386/i386.c (override_options): Always default to 16
1078 byte stack boundary.
1080 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1083 * var-tracking.c (dump_dataflow_set): Start dumping at
1085 (clobber_variable_part): Kill only the variable part in
1086 registers holding it, leaving other variables alone.
1088 2006-09-11 Josh Triplett <josh@freedesktop.org>
1090 * doc/extend.texi (Other Builtins): Actually use the macro
1091 argument in the documentation example for
1092 __builtin_types_compatible_p.
1094 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1096 PR rtl-optimization/28726
1097 * sched-deps.c (sched_analyze_reg): New function extracted from...
1098 (sched_analyze_1): ...here. Call it to analyze references to
1099 registers. Treat again writes to a stack register as writing to the
1101 (sched_analyze_2): ...and here. Call it to analyze references to
1102 registers. Treat again reads of a stack register as reading the
1105 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1106 David Edelsohn <edelsohn@gnu.org>
1109 * config/rs6000/spe.md (frob_df_di): Remove %H.
1110 (frob_di_df): Remove %H. Change evmergelo to mr.
1111 (frob_di_df_2): Remove %H. Change evldd to two loads.
1113 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1115 * doc/cpp.texi: Fix names of charset options.
1117 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1120 * config/i386/i386.c (override_options): Use 128-bit
1121 stack boundary always for 64bits.
1123 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1125 PR rtl-optimization/28636
1126 * combine.c (force_to_mode): Test for side-effects before
1127 substituting by zero.
1128 (simplify_shift_const): Likewise for zero or other constants.
1130 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1133 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1136 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1139 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1140 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1141 returned by mode_for_size, rather than the mode of src itself,
1142 to choose between 32-bit and 64-bit patterns.
1143 (mips_mem_fits_mode_p): New function.
1144 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1145 that the size of the source matches the size of the destination.
1146 (mov_<store>l, mov_<store>r): Likewise.
1148 2006-09-10 Eric Christopher <echristo@apple.com>
1150 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1153 2006-09-09 Eric Christopher <echristo@apple.com>
1156 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1159 2006-09-09 Roger Sayle <roger@eyesopen.com>
1160 Nicolas Setton <setton@adacore.com>
1162 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1164 2006-09-10 Andreas Schwab <schwab@suse.de>
1166 * config/m68k/m68k.md (bungt_rev): New pattern.
1168 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1169 Dale Johannesen <dalej@apple.com>
1172 * regclass.c (struct reg_pref): Update documentation.
1173 (regclass): Set prefclass to NO_REGS if memory is the best option.
1174 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1176 2006-09-08 Eric Christopher <echristo@apple.com>
1178 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1179 * config/t-slibgcc-darwin: Support x86_64 multilib.
1180 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1181 Return 1 for x86_64-darwin.
1182 * config/i386/t-darwin: Add m64 multilib.
1183 (LIB2_SIDITI_CONV_FUNCS): Use.
1184 (LIB2FUNCS_EXTRA): Ditto.
1185 * config/i386/darwin.h: Support x86_64.
1186 * config/i386/i386.c (override_options): Turn on flag_pic
1187 for x86_64-darwin. Disable flag_omit_pointer.
1188 (get_pc_thunk_name): Assert !TARGET_64BIT.
1189 (legitimate_address_p): Disable machopic addressing for
1191 (legitimize_pic_address): Ditto.
1192 (ix86_expand_move): Ditto.
1193 (ix86_expand_call): Ditto.
1194 (machopic_output_stub): Ditto.
1195 * config/darwin.c (machopic_select_section): Support literal16.
1196 (machopic_select_rtx_section): Ditto.
1197 * config/darwin-sections.def: Ditto.
1198 * config/darwin-64.c: New.
1200 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1203 * c-tree.h (struct c_arg_info): Add pending_sizes.
1204 * c-parser.c (c_parser_parms_declarator,
1205 c_parser_parms_list_declarator): Initialize pending_sizes.
1206 * c-decl.c (get_parm_info): Initialize pending_sizes.
1207 (get_parm_info): Set pending_sizes.
1208 (grokdeclarator): Call put_pending_sizes for parameters for
1209 function definition only.
1211 2006-09-07 Jason Merrill <jason@redhat.com>
1214 * varasm.c (output_constant): Only strip actual no-op conversions.
1217 * config/i386/i386.c (override_options): Use 128-bit
1218 stack boundary if -msse.
1220 2006-09-07 Eric Christopher <echristo@apple.com>
1222 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1224 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1227 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1229 * dwarf2out.c: Remove strange characters from comment above
1230 dwarf2out_frame_debug_expr.
1232 2006-09-07 Eric Christopher <echristo@apple.com>
1234 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1235 * config/darwin.h: ... to here.
1237 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1239 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1241 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1242 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1244 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1245 TARGET_PARTIAL_FLAG_REG_STALL.
1246 (*ashldi3_cconly_rex64): Likewise.
1247 (*ashlsi3_cmp): Likewise.
1248 (*ashlsi3_cconly): Likewise.
1249 (*ashlsi3_cmp_zext): Likewise.
1250 (*ashlhi3_cmp): Likewise.
1251 (*ashlhi3_cconly): Likewise.
1252 (*ashlqi3_cmp): Likewise.
1253 (*ashlqi3_cconly): Likewise.
1254 (*ashrdi3_cmp_rex64): Likewise.
1255 (*ashrdi3_cconly_rex64): Likewise.
1256 (*ashrsi3_cmp): Likewise.
1257 (*ashrsi3_cconly): Likewise.
1258 (*ashrsi3_cmp_zext): Likewise.
1259 (*ashrhi3_cmp): Likewise.
1260 (*ashrhi3_cconly): Likewise.
1261 (*ashrqi3_cmp): Likewise.
1262 (*ashrqi3_cconly): Likewise.
1263 (*lshrdi3_cmp_rex64): Likewise.
1264 (*lshrdi3_cconly_rex64): Likewise.
1265 (*lshrsi3_cmp): Likewise.
1266 (*lshrsi3_cconly): Likewise.
1267 (*lshrsi3_cmp_zext): Likewise.
1268 (*lshrhi3_cmp): Likewise.
1269 (*lshrhi3_cconly): Likewise.
1270 (*lshrqi2_cmp): Likewise.
1271 (*lshrqi2_cconly): Likewise.
1273 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1276 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1277 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1278 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1279 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1280 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1281 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1282 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1283 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1284 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1285 implement only CC setting effects of shift instructions.
1287 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1289 * doc/contrib.texi: Add myself.
1291 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1294 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1295 was set by the user.
1297 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1300 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1301 (divsi_inv_m1): Use them.
1302 (UNSPEC_DIV_INV_TABLE): New constant.
1304 2006-09-06 James E Wilson <wilson@specifix.com>
1307 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1308 then call count_or_remove_death_notes.
1310 2006-09-06 Jason Merrill <jason@redhat.com>
1313 * tree-inline.c (copy_result_decl_to_var): New fn.
1314 (declare_return_variable): Use it. Call declare_inline_vars here.
1315 (expand_call_inline): Not here.
1317 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1319 * doc/contrib.texi: Update my entry.
1321 2006-09-06 Nick Clifton <nickc@redhat.com>
1323 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1325 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1328 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1329 (canonicalize_induction_variables): Likewise.
1330 (tree_unroll_loops_completely): Likewise.
1331 (tree_ssa_prefetch_arrays): Likewise.
1332 (remove_empty_loops): Likewise.
1333 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1334 TODO_cleanup_cfg instead of directly calling
1335 cleanup_tree_cfg_loop.
1336 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1338 (tree_unroll_loops_completely): Likewise.
1339 (remove_empty_loops): Likewise.
1340 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1341 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1342 of tree_ssa_unswitch_loops.
1343 (tree_ssa_loop_ivcanon): Use the return value of
1344 canonicalize_induction_variables.
1345 (tree_ssa_empty_loop): Use the return value of
1347 (tree_complete_unroll): Use the return value of
1348 tree_unroll_loops_completely.
1349 (tree_ssa_loop_prefetch): Use the return value of
1350 tree_ssa_prefetch_arrays.
1351 * passes.c (execute_todo): Before Cleanup CFG, set
1352 updating_used_alone and after cleanup CFG, call
1353 recalculate_used_alone.
1355 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1358 * tree-vect-transform.c (vectorizable_condition): Move the check
1359 for the type after the check for simple condition.
1361 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1362 Kaz Kojima <kkojima@gcc.gnu.org>
1365 * mode-switching.c (optimize_mode_switching): Make the destination
1366 block of an abnormal edge have no anticipatable mode. Don't
1367 insert mode switching code at the end of the source block of
1370 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1372 PR rtl-optimization/26847
1373 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1374 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1375 (simplify_plus_minus): Count n_constants while filling ops. Replace
1376 qsort with insertion sort. Before going through the array to simplify
1377 pairs, sort it. Delay early exit until after the first sort, exiting
1378 only if no swaps occurred. Simplify pairs in reversed order, without
1379 special-casing the first iteration. Pack ops after simplifying pairs.
1381 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1383 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1384 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1385 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1386 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1388 2006-09-05 Richard Guenther <rguenther@suse.de>
1390 PR tree-optimization/28900
1391 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1392 compound conditional before creating COND_EXPR condition.
1394 2006-09-05 Richard Guenther <rguenther@suse.de>
1396 PR tree-optimization/28905
1397 * tree-vrp.c (fix_equivalence_set): Manually implement
1398 !value_ranges_intersect_p to also handle symbolic ranges.
1400 2006-09-05 Richard Guenther <rguenther@suse.de>
1403 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1406 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1408 PR rtl-optimization/27616
1409 * cse.c (table_size): New static variable.
1410 (new_basic_block): Initialize it to 0.
1411 (remove_from_table): Decrement it.
1412 (insert): Increment it.
1413 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1414 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1415 fold_rtx_mem_1 if under the cap.
1416 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1417 the lookup of the equivalent expression and test for equality of the
1418 first operand of the equivalent expression before in turn looking up
1419 an equivalent constant for the second operand.
1421 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1424 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1425 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1426 pointer, instead of assuming it is possible to derive the
1427 correct args size from a call insn.
1429 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1432 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1433 (fold_builtin_mempcpy): Rename to...
1434 (fold_builtin_memory_op): ... this. Optimize one element copy
1436 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1438 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1439 (expand_builtin_memcpy, expand_builtin_mempcpy,
1440 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1441 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1442 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1443 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1445 2006-09-01 DJ Delorie <dj@redhat.com>
1447 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1448 (stzx_16): Likewise.
1449 ("stzx_24_<mode>"): Likewise.
1450 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1451 ("cmp<mode>_op"): New.
1452 (cmp<mode>): Change to expander; just save operands.
1454 (b<code>): Change to expander, emit compare here.
1455 (s<code>_op): Change to use split and expander.
1456 (s<code>_24_op): Likewise.
1457 (s<code>_<mode>): New.
1458 (s<code>_<mode>_24): New.
1459 (movqicc_<code>_<mode): New.
1460 (movhicc_<code>_<mode>): New.
1463 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1464 (m32c_pend_compare): New.
1465 (m32c_unpend_compare): New.
1466 (m32c_expand_scc): New.
1467 (m32c_expand_movcc): Emit the compare also.
1468 * config/m32c/predicates.md (mra_nopp_operand): New.
1470 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1471 Richard Guenther <rguenther@suse.de>
1472 Adam Nemet <anemet@caviumnetworks.com>
1475 * builtins.c (get_pointer_alignment): Handle more forms
1476 of base addresses that can be used to derive more precise
1477 information about alignment.
1479 2006-09-01 Jason Merrill <jason@redhat.com>
1482 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1485 * gimplify.c (voidify_wrapper_expr): Handle null type.
1487 2006-09-01 Josh Conner <jconner@apple.com>
1490 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1491 (execute_return_slot_opt): Use it.
1493 2006-08-31 Josh Conner <jconner@apple.com>
1496 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1497 returning aggregates.
1499 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1501 PR tree-optimization/28839
1502 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1503 blocks in that phi arguments appear.
1505 2006-08-31 Roger Sayle <roger@eyesopen.com>
1508 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1509 NULL, otherwise use an advance_loc4 to adjust relative to the
1511 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1512 (dwarf2out_switch_text_section): Reset the current label to avoid
1513 using advance_loc4 over section boundaries.
1515 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1518 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1519 r12 + SYMBOLIC_CONST.
1521 2006-08-30 Richard Guenther <rguenther@suse.de>
1523 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1525 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1527 PR rtl-optimization/27735
1528 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1529 Add new argument to keep track of whether an irreducible region
1530 was affected. All callers changed.
1531 (fix_irreducible_loops): Removed.
1532 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1533 flags were invalidated.
1535 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1537 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1538 instead of SF operands.
1539 (*fop_df_comm_sse): Likewise.
1540 (*fop_df_comm_i387): Likewise.
1541 (*fop_df_1_mixed): Likewise.
1542 (*fop_df_1_sse): Likewise.
1544 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1545 J"orn Rennecke <joern.rennecke@st.com>
1547 PR tree-optimization/17506
1548 * tree-ssa.c (warn_uninit): If warning about a location outside of
1549 the current function, note where the variable was declared.
1551 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1553 PR tree-optimization/28411
1554 * double-int.c (double_int_div): Use double_int_divmod.
1555 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1556 double_int_mod, double_int_smod, double_int_umod): New functions.
1557 * double-int.h (double_int_divmod, double_int_sdivmod,
1558 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1560 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1562 (get_computation_aff, get_computation_cost_at): Handle double_int
1563 return type of constant_multiple_of.
1565 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1568 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1569 an implicit conversion.
1571 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1573 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1575 2006-08-27 Roger Sayle <roger@eyesopen.com>
1577 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1580 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1582 * config/i386/crtfastmath.c: Fix a comment typo.
1584 2006-08-26 Roger Sayle <roger@eyesopen.com>
1586 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1587 temporary visit flags on CASE_LABEL_EXPRs.
1588 * c-common.c (match_case_to_enum): Add function comment. Avoid
1589 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1590 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1591 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1592 a constant, only warn if that constant value isn't handled.
1594 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1597 * input.h (restore_input_file_stack): Declare.
1598 (INPUT_FILE_STACK_BITS): Define.
1599 * toplev.c (fs_p, input_file_stack_history,
1600 input_file_stack_restored, restore_input_file_stack): New.
1601 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1602 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1603 (pop_srcloc): Don't free old state of stack.
1605 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1608 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1609 (PowerPC Type Attributes): New.
1611 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1613 * config/xtensa/xtensa.c (function_arg_boundary): New.
1614 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1616 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1617 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1619 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1622 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1625 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1627 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1628 (verify_local_live_at_start): Likewise.
1630 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1633 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1634 omp_add_variable): Treat sizes as variable whenever not
1637 2006-08-26 Richard Guenther <rguenther@suse.de>
1640 * fold-const.c (fold_binary): Fold temporary to correct
1641 type before constructing new comparison.
1643 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1646 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1647 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1649 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1652 * c-decl.c (start_function): Don't try to process prototype
1653 information from old declaration that isn't a function.
1655 2006-08-25 Jan Hubicka <jh@suse.cz>
1658 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1660 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1663 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1666 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1668 PR tree-optimization/16876
1669 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1670 exit if PARM doesn't match VALUE.
1672 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1674 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1675 literal_prefix directive.
1676 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1677 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1678 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1680 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1683 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1684 predicate to general_operand. Add 0->y and I->r alternatives.
1686 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1688 * doc/tm.texi: Fix a typo.
1689 * predict.c: Fix comment typos.
1691 2006-08-25 Nick Clifton <nickc@redhat.com>
1693 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1694 assertions of "cpu" and "machine".
1696 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1699 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1700 the access through a base which has an alias set of 0 cannot
1703 2006-08-24 Bill Wendling <wendling@apple.com>
1705 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1707 2006-08-24 Jan Hubicka <jh@suse.cz>
1709 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1711 2006-08-24 Jan Hubicka <jh@suse.cz>
1714 * cgraph.c: Fix comments.
1715 (cgraph_varpool_mark_needed_node): Mark only variables not already
1717 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1718 (cgraph_varpool_assembled_nodes_queue): New static variable.
1719 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1720 (cgraph_varpool_output_debug_info): New function.
1721 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1722 * Makefile.in: Add gt-cgraphunit.h
1724 2006-08-24 Jan Hubicka <jh@suse.cz>
1726 * predict.c (probability_reliable_p): New predicate.
1727 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1728 (predict_loops): Do not predict loop exit with less than 2%
1730 * basic-block.h (edge_probability_reliable_p,
1731 br_prob_note_reliable_p): Declare.
1732 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1733 prediction when static predictor is not reliable.
1734 * rs6000.c (output_cbranch): Likewise.
1736 2006-08-23 Stuart Hastings <stuart@apple.com>
1739 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1740 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1742 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1745 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1746 complex values, nor for generic vector values.
1748 2006-08-22 Richard Guenther <rguenther@suse.de>
1751 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1752 parameter. Convert arguments to arithmetic expression to the
1754 (analyze_scalar_evolution_1): Adjust caller.
1756 2006-08-22 Jan Hubicka <jh@suse.cz>
1758 Patch by Paolo Bonzini
1759 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1762 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1764 PR tree-optimization/28003
1765 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1766 before grouping aliases.
1768 2006-08-22 Roger Sayle <roger@eyesopen.com>
1770 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1771 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1773 2006-08-21 Jason Merrill <jason@redhat.com>
1776 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1777 wrapper. Loop to handle nested wrappers.
1778 (gimplify_bind_expr): Remove temp parameter.
1779 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1780 and STATEMENT_LIST on the rhs.
1781 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1782 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1783 (gimplify_target_expr): Remove special BIND_EXPR handling.
1785 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1787 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1790 2006-08-21 Olivier Hainque <hainque@adacore.com>
1792 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1793 Arrange for the temporary captures of components overlapping the lhs
1794 to happen before the lhs is possibly cleared.
1796 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1798 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1799 necessary places to pass the correct "number of registers" values
1802 2006-08-20 Jan Hubicka <jh@suse.cz>
1804 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1805 (create_name_tags): Instead of quadratic checking use hashtable.
1806 * bitmap.h: Include hashtab.h.
1807 (bitmap_hash): Declare.
1808 * bitmap.c (bitmap_hash): New function.
1810 2006-08-20 Jan Hubicka <jh@suse.cz>
1812 PR rtl-optimization/28071
1813 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1815 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1816 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1817 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1818 cgraph_decide_inlining_incrementally): Update use of
1819 cgraph_check_inline_limits.
1820 * cgraph.c (edge_hash, edge_eq): New function.
1821 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1822 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1823 cgraph_remove_node): Maintain call site hash.
1824 * cgraph.h (struct cgraph_node): Add call_site_hash.
1825 (cgraph_set_call_stmt): New function.
1827 2006-08-20 Jan Hubicka <jh@suse.cz>
1829 PR rtl-optimization/28071
1830 * reload1.c (reg_has_output_reload): Turn into regset.
1831 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1832 choose_reload_regs, emit_reload_insns): Update to new
1833 reg_has_output_reload.
1835 2006-08-20 Jan Hubicka <jh@suse.cz>
1838 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1839 function body sizes.
1840 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1842 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1845 * tree.c (handle_dll_attribute): Return early if not a
1846 var or function decl.
1848 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1851 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1852 alignment of SPE vector types.
1854 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1856 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1858 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1861 * cgraph.h (struct cgraph_node): Remove externally_visible
1863 * cgraphunit.c (process_function_and_variable_attributes): Set
1864 local.externally_visible rather than externally_visible.
1867 * c-common.c (handle_externally_visible_attribute): First look
1868 at TREE_CODE and only if it is function or var decl, check for
1869 non-public objects. Don't warn for DECL_EXTERNAL.
1870 * cgraphunit.c (process_function_and_variable_attributes): Warn
1871 if externally_visible attribute is used on non-public object.
1873 2006-08-17 Jan Hubicka <jh@suse.cz>
1875 PR tree-optimization/27865
1876 * reload1.c (forget_marked_reloads): New function.
1877 (forget_old_reloads_1): When data are passed, just mark the registers
1879 (reload_as_needed): Use the new mechanizm.
1881 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1884 * reload.h (reg_equiv_alt_mem_list): New declaration.
1885 * reload1.c (reg_equiv_alt_mem_list): New definition.
1886 (reload): Initialize it and release it.
1887 (delete_output_reload): Use it.
1888 * reload.c (push_reg_equiv_alt_mem): New function.
1889 (find_reloads_toplev): Call it.
1890 (find_reloads_address, find_reloads_address_1): Likewise.
1891 (find_reloads_subreg_address): Likewise.
1893 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1895 PR rtl-optimization/28489
1896 * sched-ebb.c (begin_schedule_ready): Create basic block
1898 (advance_target_bb): Skip empty blocks.
1899 * haifa-sched.c (bb_note): Make global.
1900 * sched-int.h (bb_note): Add prototype.
1902 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1904 PR tree-optimization/27865
1905 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1907 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1908 fold_used_pointer, pointer_used_p): New functions.
1909 (analyze_scalar_evolution_1): Use fold_used_pointer.
1910 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1911 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1914 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1917 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1918 or the INTEGER_CST. Fail on a CALL_EXPR.
1919 (fold_offsetof): Pass new argument to fold_offsetof_1.
1920 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1921 operand into an INDIRECT_REF.
1922 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1924 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1926 PR gcov/profile/26570
1927 * value-prof.c (static_values): Removed.
1928 (tree_find_values_to_profile): Do not set static_values.
1929 (find_values_to_profile): Do not free static_values.
1930 * profile.c (instrument_values): Do not free the values.
1931 (branch_prob): Free the values.
1933 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1935 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1937 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1940 * c-typeck.c (build_component_ref): Combine qualifiers of
1941 structure or union and field.
1943 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1945 PR rtl-optimization/28071
1946 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1947 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1948 * tree-into-ssa.c (struct dom_dfsnum): New.
1949 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1951 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1952 compute_global_livein.
1953 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1954 in phi nodes in the correct blocks.
1956 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1958 PR tree-optimization/28364
1959 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1961 (fold_affine_expr): New function.
1962 (may_eliminate_iv): Use fold_affine_expr.
1964 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1967 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1970 2006-08-16 Mike Stump <mrs@apple.com>
1972 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1973 * doc/cppopts.texi (-MD): Likewise.
1975 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1978 * c-common.c (handle_weak_attribute): Ignore and warn if
1979 not a FUNCTION_ or VAR_DECL.
1981 2006-07-15 Mike Stump <mrs@apple.com>
1984 * c-parser.c (c_parser_typeof_specifier): Don't use
1985 c_finish_expr_stmt, open code desired semantics instead.
1987 2006-08-15 Nick Clifton <nickc@redhat.com>
1989 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1990 fragment to tmake_file only if threads are enabled.
1991 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1992 * config/i386/t-gthr-win32: New file. ... here.
1994 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1997 * c-parser.c (c_parser_compound_statement_nostart): Reset
1998 parser->error after each statement.
2000 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2003 * omp-low.c (lower_omp_parallel): Convert t to
2004 receiver_decl's type.
2005 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2006 source before comparison.
2009 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2010 to itype in assignment to oldival2.
2012 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2016 * c-typeck.c (build_compound_expr): If the second expression
2017 is an error mark, then just return an error mark instead of
2018 creating a COMPOUND_EXPR.
2020 2006-07-14 Mike Stump <mrs@apple.com>
2022 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2024 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2026 * c-decl.c, var-tracking.c: Fix comment typos.
2028 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2030 PR rtl-optimization/28634
2031 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2032 for floating-point modes unless flag_unsafe_math_optimizations.
2034 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2035 Andrew Pinski <pinskia@physics.uc.edu>
2038 * tree.c (build_array_type): Unify array types with
2039 unspecified index_type.
2040 * c-decl.c (grokdeclarator): Make sure we do not modify a
2041 unified incomplete array type.
2042 * c-typeck.c (store_init_value): Create distinct type before
2043 filling in the index type in an initializer from a compound
2046 * c-decl.c (grokdeclarator): Remove code where we copy the
2049 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2051 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2052 into account for TODO_dump_cgraph.
2053 (TODO_update_ssa_no_phi): Likewise.
2054 (TODO_update_ssa_full_phi): Likewise.
2055 (TODO_update_ssa_only_virtuals): Likewise.
2056 (TODO_remove_unused_locals): Likewise.
2057 (TODO_set_props): Likewise.
2058 (TODO_update_stmt_usage): Likewise.
2060 2006-08-13 Dirk Mueller <dmueller@suse.de>
2062 * c-common.c (strict_aliasing_warning): Fix formatting.
2064 2006-08-13 Matthias Klose <doko@debian.org>
2066 * doc/invoke.texi: Fix spelling errors.
2068 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2070 PR rtl-optimization/23454
2071 * reorg.c (relax_delay_slots): Update comment.
2073 2006-08-11 Richard Guenther <rguenther@suse.de>
2076 * simplify-rtx.c (simplify_const_relational_operation):
2077 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2080 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2082 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2083 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2085 2006-08-10 Paul Brook <paul@codesourcery.com>
2087 * final.c (final_scan_insn): Clear current_insn_predicate before
2088 outputting inline asm.
2090 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2092 PR tree-optimization/26197
2093 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2094 get_ref_base_and_extent and overlap_subvar to add only relevant
2095 subvars as may-aliases.
2096 (add_may_alias_for_new_tag): New function, factored out of
2098 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2099 with additional argument.
2100 * tree-flow.h (new_type_alias): Takes additional argument.
2102 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2104 * gcov.c (no_data_file): New flag.
2105 (read_count_file): Set it if data file not present. Assume counts
2107 (output_lines): Don't name the data file, if there wasn't one.
2109 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2111 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2112 (rs6000_generate_compare): Tweak comments.
2113 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2115 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2117 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2118 (var_debug_decl): New function.
2119 (var_reg_set): Follow debug decl link. Add location even if
2120 reg is already known to hold some other variable.
2121 (var_mem_set): Follow debug decl link.
2122 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2123 decl link. Delete other known locations of the variable part
2125 (var_reg_delete, var_mem_delete): Delete other known locations
2126 of the variable part if requested.
2127 (same_variable_part_p): New function.
2128 (add_stores): Select MO_COPY when appropriate.
2129 (vt_initialize): Handle it.
2130 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2131 known locations for MO_SET and MO_CLOBBER.
2132 (find_variable_location_part): New function.
2133 (set_variable_part, delete_variable_part): Use it.
2134 (clobber_variable_part): New function.
2135 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2138 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2140 PR tree-optimization/26969
2141 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2142 with an empty list of PHIs.
2144 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2148 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2151 2006-08-06 Andreas Schwab <schwab@suse.de>
2153 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2154 string. Whitespace and comment fixup.
2156 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2159 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2163 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2166 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2168 2006-08-04 Jan Hubicka <jh@suse.cz>
2172 * reload.c (push_reload): Patch out the mismatching instruction;
2174 (find_reload): Bail out if the instruction was patched out.
2176 2006-08-04 Jan Hubicka <jh@suse.cz>
2178 PR tree-optimization/24888
2179 * tree-inline.c (expand_call_inline): Do not re-record variables.
2180 (declare_inline_vars): Add variable to unexpanded_var_list.
2182 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2183 Roger Sayle <roger@eyesopen.com>
2185 PR rtl-optimization/26244
2186 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2187 inner_const are negative or greater than or equal to the bitsize of
2188 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2189 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2190 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2191 CONST0_RTX (mode) when the new shift count is greater than or equal to
2192 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2195 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2197 * tree-cfg.c: Fix a comment typo.
2199 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2202 * varasm.c (output_constant): Give the front end another chance to
2203 expand constants, after stripping NOPs.
2205 2006-08-03 Jan Hubicka <jh@suse.cz>
2207 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2210 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2212 PR tree-optimization/27770
2213 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2214 declaration removed (moved to tree-flow.h).
2215 (vect_can_force_dr_alignment_p): Likewise.
2216 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2217 (moved from tree-vectorizer.h).
2218 (vect_can_force_dr_alignment_p): Likewise.
2219 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2220 from outside the vectorizer - in particular from cgraph stage.
2221 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2222 the alignment of global arrays when -fsection-anchors is enabled.
2223 * cgraphunit.c (cgraph_increase_alignment): New function.
2224 (cgraph_optimize): Call cgraph_increase_alignment.
2226 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2229 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2230 not reload a SPE symbol_ref into a lo_sum address.
2232 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2235 * dwarf2out.c (prune_unused_types_prune): Move call to
2236 prune_unused_types_update_strings to cover the parent DIE also.
2238 2006-08-02 Jan Hubicka <jh@suse.cz>
2240 PR gcov/profile/28480
2241 * tree-cfg.c (change_bb_for_stmt): New function.
2242 (tree_merge_blocks, tree_split_blocks): Use it.
2244 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2250 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2251 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2252 (cgraph_optimize): Likewise.
2254 2006-08-01 Stuart Hastings <stuart@apple.com>
2256 * rtl.h (UINTVAL) New.
2257 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2258 * testsuite/gcc.dg/20060801-1.c: New.
2260 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2263 * c-typeck.c (build_external_type): Mark used enum types.
2264 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2266 (gen_subprogram_die): Whitespace fix.
2268 2006-08-01 Jan Hubicka <jh@suse.cz>
2270 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2271 bitmap when not needed.
2272 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2275 2006-08-01 Dirk Mueller <dmueller@suse.de>
2277 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2279 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2281 * Makefile.in: Revert part of previous patch:
2282 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2285 2006-07-30 Eric Christopher <echristo@apple.com>
2288 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2289 (PowerPC Variable Attributes): New section.
2291 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2293 PR target/28126 (partial fix)
2294 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2296 2006-07-28 Jan Hubicka <jh@suse.cz>
2298 PR rtl-optimization/28071
2299 * cfgrtl.c (rtl_delete_block): Free regsets.
2300 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2302 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2304 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2305 and variables used in dependencies.
2307 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2309 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2310 %fs for -mcmodel=kernel.
2311 (stack_tls_protect_test_di): Likewise.
2313 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2315 * Makefile.in: Use mkinstalldirs.
2317 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2320 * opts-common.c (prune_options): Skip joined switches.
2322 2006-07-27 Jan Hubicka <jh@suse.cz>
2324 PR rtl-optimization/28071
2325 * cselib.c (cselib_process_insn): Don't remove useless values too
2326 often for very large hashtables.
2328 2006-07-27 Jan Hubicka <jh@suse.cz>
2330 PR rtl-optimization/28071
2331 * global.c (greg_obstack): New obstack.
2332 (allocate_bb_info): Use it.
2333 (free_bb_info): Likewise.
2334 (modify_reg_pav): Likewise.
2336 2006-07-27 Roger Sayle <roger@eyesopen.com>
2338 * builtins.c (fold_fixed_mathfn): When long and long long are the
2339 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2340 functions to their lceil*, lfloor*, lround* and lrint* forms.
2342 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2345 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2347 (rev_branch_insn): Likewise.
2349 2006-07-27 Jan Hubicka <jh@suse.cz>
2351 PR rtl-optimization/28071
2352 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2353 (reg_set_in_bb, max_reg_computed): New static variables.
2354 (regmove_optimize): Free the new array.
2355 (fixup_match_1): Update call of reg_is_remote_constant_p.
2357 2006-07-26 Jan Hubicka <jh@suse.cz>
2359 PR tree-optimization/27882
2360 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2362 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2364 (cgraph_analyze_compilation_unit): Likewise.
2365 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2366 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2367 (cgraph_early_inlinine): Make order garbage collected.
2368 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2370 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2372 * dbxout.c (output_types_sort): Add a comment.
2373 (output_used_types): Free the VEC.
2375 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2377 * function.c (reorder_fix_fragments): Delete.
2378 (reorder_blocks): Don't call it.
2379 (reorder_blocks_1): Put all subblocks under the origin block.
2381 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2383 PR rtl-optimization/27907
2384 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2387 2006-07-25 Roger Sayle <roger@eyesopen.com>
2390 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2391 bar(x) check that bar's result type can represent all the values of T.
2393 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2395 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2397 2006-07-25 Nick Clifton <nickc@redhat.com>
2399 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2400 size_lookup[] array.
2401 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2402 (ggc_pch_count_object): Likewise.
2403 (ggc_pch_alloc_object): Likewise.
2404 (ggc_pch_write_object): Likewise.
2405 (init_ggc): Do not attempt to initialize entries in the
2406 size_lookup[] array for objects whose size is greater than than
2407 the length of the array.
2409 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2411 * dbxout.c (output_used_types_helper): Push queued types
2413 (output_types_sort): New.
2414 (output_used_types): Collect used types on a VEC and sort them
2417 2006-07-24 Richard Guenther <rguenther@suse.de>
2420 * cgraph.c (cgraph_remove_node): Do not check if dumps
2422 * cgraphunit.c (cgraph_optimize): Likewise.
2424 2006-07-24 Jan Hubicka <jh@suse.cz>
2426 PR rtl-optimization/28071
2427 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2428 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2429 splitting before first stmt.
2431 2006-07-24 Jan Hubicka <jh@suse.cz>
2433 PR rtl-optimization/28071
2434 * ipa-inline.c (update_caller_keys): Remove edges that
2435 are no longer inline candidates.
2437 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2440 * dbxout.c (output_used_types_helper, output_used_types): New.
2441 (dbxout_symbol): Call output_used_types.
2443 2006-07-23 Jan Hubicka <jh@suse.cz>
2447 * cgraph.c (cgraph_varpool_nodes): Export.
2448 (decide_is_variable_needed): Ignored "used" attribute in
2449 unit-at-a-time mode.
2450 * cgraph.h (cgraph_varpool_nodes): Declare.
2451 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2452 unit-at-a-time mode.
2454 2006-07-23 Roger Sayle <roger@eyesopen.com>
2457 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2458 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2459 the __gthrw form of thr_keycreate.
2460 (__gthread_key_delete): Silence the unused argument warning.
2462 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2465 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2466 Cache the last found '\0' marker to avoid quadratic behavior.
2468 2006-07-23 Jan Hubicka <jh@suse.cz>
2470 * i386.md (subsi_3_zext): Fix output template.
2472 2006-07-21 Mike Stump <mrs@apple.com>
2474 * doc/invoke.texi (C++ Dialect Options): Note that
2475 -fvisibility-inlines-hidden doesn't affect explicitly
2476 instantiationed inline methods.
2478 2006-07-20 Roger Sayle <roger@eyesopen.com>
2480 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2481 if the target assembler is GNU binutils' gas.
2482 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2483 whether to pass GNU gas or native as command line options.
2485 2006-07-20 Jason Merrill <jason@redhat.com>
2487 * tree.c (remove_attribute): New fn.
2488 * tree.h: Declare it.
2490 2006-07-20 Paul Brook <paul@codesourcery.com>
2493 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2494 they are invalidated by this instruction.
2496 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2499 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2501 2006-07-20 Eric Christopher <echristo@apple.com>
2504 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2506 2006-07-19 Eric Christopher <echristo@apple.com>
2508 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2509 Rewrite dependencies for libgcc_s.1.dylib.
2511 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2513 * except.c (duplicate_eh_regions_1): Clear next_peer.
2515 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2517 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2518 -mlongcall does not guarantee all calls will be long.
2519 * doc/extend.texi (long_call/short_call): Document that longcall
2520 does not guarantee a long call will be used.
2521 (longcall/shortcall): Likewise.
2523 2006-07-18 Roger Sayle <roger@eyesopen.com>
2526 * expmed.c (expand_shift): Additionally check that the shift_cost
2527 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2528 before implementing a LSHIFT_EXPR as a sequence of additions.
2529 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2530 middle-end that DImode shifts need to be synthesized by expand.
2532 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2535 * tree-ssa-operands.c (access_can_touch_variable): Update
2537 Return true if ALIAS is .GLOBAL_VAR.
2539 2006-07-18 David Daney <ddaney@avtrex.com>
2541 * gcc.c (display_help): Fix typo in help text.
2543 2006-07-18 Olivier Hainque <hainque@adacore.com>
2545 * tree.h (categorize_ctor_elements): Adjust prototype and add
2546 descriptive comment, both in accordance with the interface change
2548 * varasm.c (constructor_static_from_elts_p): New function.
2549 Whether a constructor node is a valid static constant initializer
2550 if all its elements are.
2551 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2552 * output.h: Declare it.
2553 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2554 is a valid constant initializer instead of computing the number of
2555 non-constant elements. Use constructor_static_from_elts_p for this
2556 purpose. Replace the head comment with an indication that this is a
2557 helper for categorize_ctor_elements.
2558 (categorize_ctor_elements): Same interface change as for the _1
2559 helper. Former head comment from this helper moved here, adjusted to
2560 account for the interface changes.
2561 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2562 (all_zeros_p): Likewise.
2563 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2564 static versions of the constructor from the categorize_ctor_elements
2565 return value instead of the formerly computed number of non-constant
2568 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2570 * configure: Regenerate.
2571 * Makefile.in (build_libsubdir): New configure substitution
2572 (build_libobjdir): New variable.
2573 (BUILD_LIBIBERTY): Use it.
2575 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2578 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2580 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2583 * c-common.c (handle_weakref_attribute): Ignore attribute in
2584 the same conditions the alias attribute is ignored.
2586 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2588 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2589 (dbxout_begin_prologue): Increment scope_labelno.
2591 2006-07-17 Richard Henderson <rth@redhat.com>
2594 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2597 2006-07-17 Roger Sayle <roger@eyesopen.com>
2598 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2600 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2601 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2602 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2603 functions such as sbrk, write, etc.. Add function prototypes.
2604 Convert function declarations from K&R to ISO C. Cast pointers
2605 to "long" and "unsigned long" instead of "int" and "unsigned int".
2606 Convert tokens following #endif into comments.
2608 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2610 * invoke.texi: Remove mention of f77; Reformat table for
2611 inline parameter options correctly; mention that -malign-double
2612 is default on x86-64 targets.
2614 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2616 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2617 (convert_affine_scev, chrec_convert_aggressive): Use
2618 avoid_arithmetics_in_type_p. Do not check for the subtypes
2621 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2624 * optabs.c (expand_doubleword_shift): Wrap the call to
2625 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2627 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2630 * optabs.c (expand_binop): Pass next_methods rather than methods
2631 to expand_doubleword_shift.
2633 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2636 * tree.h (dump_addr): Declare.
2637 * print-tree.c (dump_addr): New function.
2638 (print_node_brief, print_node): Use it.
2639 * print-rtl.c (print_rtx): Likewise.
2640 * common.opt (-fdump-noaddr): New option.
2641 * doc/invoke.texi (-fdump-noaddr): Document.
2642 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2643 (ve_info_hash): Likewise.
2645 2006-07-13 Andrew Haley <aph@redhat.com>
2647 PR tree-optimization/19505
2648 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2649 edge leaving this block, make sure that the destination of this
2650 block has only one predecessor.
2652 2006-07-17 Richard Guenther <rguenther@suse.de>
2654 PR tree-optimization/28238
2655 * tree-inline.c (copy_bb): Check if we produced valid
2656 gimple copying and substituting a stmt. If not, gimplify
2659 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2661 * optabs.c (maybe_encapsulate_block): New function extracted from...
2662 (emit_libcall_block): ...here. Invoke it on the block of insns to
2663 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2664 (emit_no_conflict_block): Likewise.
2666 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2668 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2670 2006-07-15 Roger Sayle <roger@eyesopen.com>
2672 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2673 a new NOP_EXPR case of the switch statement.
2675 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2678 * stor-layout.c (place_field): Take the bit field with
2679 an excessive size into account in the ms-bitfiled case.
2682 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2683 the previous bit field.
2685 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2688 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2690 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2692 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2693 signal frames correctly even when the signal was installed with
2696 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2698 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2699 (dbxout_function_end): Use local label LFBB. Remove hook
2701 (dbxout_source_line): Use local label LFBB.
2702 (dbxout_block): Likewise.
2703 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2704 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2705 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2706 and DBX_OUTPUT_NFUN.
2708 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2710 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2712 2006-07-13 Jan Hubicka <jh@suse.cz>
2714 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2716 * output.h (align_variable): Declare.
2717 * varasm.c (align_variable): Export.
2718 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2719 when basic block changed.
2721 2006-07-13 Nick Clifton <nickc@redhat.com>
2723 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2724 walking the LOG_LINKS chain.
2726 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2728 * doc/invoke.texi (C++ Dialect Options): Explain difference
2729 between -fvisibility-inlines-hidden and setting hidden
2730 visibility explicitly.
2732 2006-07-12 Eric Christopher <echristo@apple.com>
2734 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2735 (stmp-lipo): Depend on libgcc.a.
2737 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2739 * tree.c: Fix a comment typo.
2741 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2743 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2745 (umulhisi3_r): Likewise.
2747 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2750 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2751 x < 19, vs wchar_t support.
2753 2006-07-12 Nick Clifton <nickc@redhat.com>
2755 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2756 instead of -isa=sh4.
2758 2006-07-12 Mike Stump <mrs@apple.com>
2760 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2762 2006-07-10 Eric Christopher <echristo@apple.com>
2764 * config/t-slibgcc-darwin: Rewrite.
2766 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2769 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2772 2006-07-08 Matthias Klose <doko@debian.org>
2774 * doc/sourcebuild.texi: Fix typo.
2776 2006-07-07 Mike Stump <mrs@apple.com>
2778 * toplev.c (process_options): Don't give -ffunction-sections may
2779 affect debugging warning for Mach-O.
2781 2006-07-07 James E Wilson <wilson@specifix.com>
2783 * config/mips/mips.md (cpu): Add sb1a.
2784 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2785 addition to sb1. Adjust comments to clarify SB-1A differences from
2787 (ir_sb1a_load): New. Modify bypasses to use it.
2788 (ir_sb1a_simple_alu): Likewise.
2789 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2790 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2791 (mips_issue_rate): Add PROCESSOR_SB1A.
2792 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2793 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2794 (TARGET_SB1): Add PROCESSOR_SB1A check.
2795 (TUNE_SB1): Likewise.
2797 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2798 * config/mips/mips.c (mips_store_data_bypass_p): New.
2799 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2800 store_data_bypass_p.
2802 2006-07-08 Paul Brook <paul@codesourcery.com>
2805 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2807 2006-07-07 Richard Guenther <rguenther@suse.de>
2810 * tree.h (build_one_cst): Declare.
2811 * tree.c (build_one_cst): New function.
2812 * tree-ssa-math-opts.c (get_constant_one): Remove.
2813 (insert_reciprocals): Use build_one_cst.
2814 * fold-const.c (fold_plusminus_mult): Likewise.
2816 2006-07-07 Roger Sayle <roger@eyesopen.com>
2818 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2819 * cfgloopanal.c (dump_graph): Likewise.
2820 * dojump.c (discard_pending_stack_adjust): Likewise.
2821 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2823 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2824 * function.c (finalize_block_changes): Likewise.
2825 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2826 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2827 * rtl.c (dump_rtx_statistics): Likewise.
2828 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2830 * varray.c (dump_varray_statistics): Likewise.
2831 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2832 decode_decimal64, encode_decimal128, decode_decimal128,
2833 decimal_real_to_decimal): Likewise.
2835 2006-07-07 Richard Guenther <rguenther@suse.de>
2837 PR tree-optimization/28187
2838 * tree-vrp.c (vrp_operand_equal_p): New function.
2839 (vrp_bitmap_equal_p): Likewise.
2840 (update_value_range): Use them to compare old and new
2843 2006-07-06 Roger Sayle <roger@eyesopen.com>
2845 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2846 a default case to switch statement to silence compiler warnings.
2848 2006-07-06 Roger Sayle <roger@eyesopen.com>
2851 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2852 the configured assembler supports the x87's ffreep mnemonic.
2853 * configure: Regenerate.
2854 * config.in: Regenerate.
2856 * config/i386/i386.c (output_387_ffreep): New function.
2857 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2858 (output_387_reg_move): Likewise.
2860 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2862 Port to hosts whose 'sort' and 'tail' implementations
2863 treat operands with leading '+' as file names, as POSIX
2864 has required since 2001. However, make sure the code still
2865 works on pre-POSIX hosts.
2866 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2867 which says you should use "tail -c +N" rather than "tail +Nc".
2868 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2870 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2872 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2875 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2878 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2879 PRE_{INC,DEC} of TFmode.
2881 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2882 Alan Modra <amodra@bigpond.net.au>
2885 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2888 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2891 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2892 Remove duplicate gtu.
2894 2006-07-05 Jason Merrill <jason@redhat.com>
2898 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2899 * c-common.c (handle_packed_attribute): So don't copy it here.
2900 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2902 2006-07-05 Mike Stump <mrs@apple.com>
2904 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2906 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2909 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2911 2006-07-05 Richard Guenther <rguenther@suse.de>
2914 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2915 TARGET_SSE2 targets if using SSE math.
2916 (*absdf2_1): Likewise.
2918 2006-07-05 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/28162
2921 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2922 make sure to convert the operands to the correct type.
2924 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2926 PR tree-optimization/28218
2928 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2929 to calculate and free the dominator information.
2931 2006-07-04 Peter O'Gorman <peter@pogma.com>
2933 * mklibgcc.in: chmod 644 before ranlib during install.
2935 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2936 J"orn Rennecke <joern.rennecke@st.com>
2938 * configure.ac (.eh_frame data check): Use diff -b.
2940 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2943 * Makefile.in (BUILD_RTL): Add build/vec.o.
2944 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2945 (build/genextract): Delete.
2946 (build/genautomata): Likewise.
2948 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2951 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2952 128-bit IBM long doubles for ABI_V4.
2954 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2956 * tree.c (range_in_array_bounds_p): New predicate.
2957 * tree.h (range_in_array_bounds_p): Declare it.
2958 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2959 return a less conservative answer.
2960 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2961 and flag 'is_group'.
2962 (IS_ELEMENT_FOR_GROUP): New macro.
2963 (FOR_EACH_ACTUAL_CHILD): Likewise.
2964 (next_child_for_group): New helper function.
2965 (can_completely_scalarize_p): Take into account groups.
2966 (sra_hash_tree): Handle RANGE_EXPR.
2967 (sra_elt_eq): Likewise.
2968 (lookup_element): Be prepared for handling groups.
2969 (is_valid_const_index): Delete.
2970 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2971 instead of is_valid_const_index.
2972 <ARRAY_RANGE_REF>: New case.
2973 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2974 is_valid_const_index.
2975 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2976 (scan_dump): Dump info for groups too.
2977 (decide_instantiation_1): Likewise.
2978 (decide_block_copy): Assert that the element is not a group.
2979 Propagate decision to groups.
2980 (generate_one_element_ref): Handle RANGE_EXPR.
2981 (mark_no_warning): Iterate over actual childs.
2982 (generate_copy_inout): Likewise.
2983 (generate_element_copy): Likewise.
2984 (generate_element_zero): Likewise.
2985 (generate_element_init_1): Likewise.
2986 (dump_sra_elt_name): Handle RANGE_EXPR.
2988 2006-07-03 Roger Sayle <roger@eyesopen.com>
2990 PR tree-optimization/26251
2991 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2992 (thread_block): When optimizing for size refuse to thread jumps
2993 that would require duplication of blocks other than redirection
2996 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2998 * configure.ac: Fix thinko in previous check-in.
2999 * configure: Regenerate.
3001 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3004 * configure.ac (for lang...): Simplify nesting of conditionals.
3005 Test subdir_requires for non-enabled languages. Move processing
3006 of lang_opt_files and lang_tree_fiels below that test.
3007 * configure: Regenerate.
3008 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3010 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3012 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3014 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3016 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3019 2006-06-29 Jason Merrill <jason@redhat.com>
3026 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3027 * c-common.c (c_determine_visibility): Handle it here.
3028 * c-decl.c (finish_decl): Call c_determine_visibility for
3030 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3032 * varasm.c (default_assemble_visibility): Likewise.
3033 * c-common.c (handle_visibility_attribute): Complain about trying
3034 to give visibility to an already defined class, or trying to change
3035 declared visibility. Always attach the attribute.
3040 * attribs.c (decl_attributes): Ignore type-in-place attributes
3041 once the type has been defined.
3043 2006-06-29 Roger Sayle <roger@eyesopen.com>
3046 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3047 to indicate the cpplib has issued an error message for us.
3049 2006-06-29 Asher Langton <langton2@llnl.gov>
3052 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3053 insert a label at the end of an function under Mach-O.
3055 2006-06-29 Eric Christopher <echristo@apple.com>
3056 Evan Cheng <evan.cheng@apple.com>
3058 * predicates.md (vector_all_ones_operand): New.
3059 (nonimmediate_or_sse_const_operand): Ditto.
3060 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3061 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3062 (standard_sse_mode_p): Ditto.
3063 (standard_sse_constant_p): Add case for -1 vector.
3064 (ix86_expand_vector_move): Try to use.
3065 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3066 Call standard_sse_constant_opcode.
3067 (*movv4sf_internal): Ditto.
3068 (*movv2df_internal): Ditto.
3070 2006-06-29 Roger Sayle <roger@eyesopen.com>
3072 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3073 of XEXP to extract the operands of a MATCH_CODE rtx.
3075 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3077 * tree.c (tree_size): Do not waste tail padding in
3078 struct tree_string and make the size be the same as
3079 build_string will generate.
3081 2006-06-28 Jason Merrill <jason@redhat.com>
3084 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3085 may_aliases already in the tag's annotations to the bitmap.
3087 2006-06-28 Roger Sayle <roger@eyesopen.com>
3089 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3091 2006-06-28 Roger Sayle <roger@eyesopen.com>
3093 * genpreds.c (generate_switch_p): New function.
3094 (add_mode_tests): Push the new mode test down inside an AND expr
3095 if this allows the switch-suitable MATCH_CODE to be near the root.
3096 (write_match_code_switch): New function to write a MATCH_CODE as
3098 (write_predicate_stmts): New function to write a predicate RTX
3099 expression as a sequence of statements.
3100 (write_one_predicate_function): Use write_predicate_stmts.
3101 (write_tm_constrs_h): Likewise.
3103 2006-06-26 Fred Fish <fnf@specifix.com>
3105 * config/mips/t-sb1: New file.
3106 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3109 2006-06-26 DJ Delorie <dj@redhat.com>
3111 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3113 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3114 Jayant Sonar <jayants@kpitcummins.com>
3115 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3117 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3118 (subsi3, subsi3_1, subsi3_2): New.
3119 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3120 * config/m32c/mov.md (SI mov peephole): New.
3121 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3122 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3124 2006-06-26 Olivier Hainque <hainque@adacore.com>
3126 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3127 a CALL_EXPR target function declaration.
3129 2006-06-26 Richard Guenther <rguenther@suse.de>
3131 * tree.c (build_string): Do not waste tail padding in
3134 2006-06-26 Richard Guenther <rguenther@suse.de>
3136 * ggc-page.c (init_ggc): Add missing element to size_lookup
3140 2006-06-23 Richard Guenther <rguenther@suse.de>
3142 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3143 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3144 alignment requests instead. Add verification code.
3145 Add struct tree_function_decl and struct tree_binfo size to
3146 extra_order_size_table. Add missing element to size_lookup
3149 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3152 * fold-const.c (const_binop): Be prepared for self returning zero.
3153 Simplify code handling complex values.
3155 2006-06-24 Olivier Hainque <hainque@adacore.com>
3157 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3158 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3161 2006-06-24 Olivier Hainque <hainque@adacore.com>
3163 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3164 ARRAY_REF, so have the callback called for the low bound expression.
3166 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3168 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3169 * c-typeck.c (c_common_type): Disallow operations on decimal float
3170 types and other float types.
3171 * convert.c (convert_to_real): Don't ignore conversions involving
3172 decimal float types.
3174 2006-06-23 Olivier Hainque <hainque@adacore.com>
3176 * tree.c (max_int_size_in_bytes): New function, inspired from
3177 code in function.c:assign_temp.
3178 * tree.h (max_int_size_in_bytes): Declare.
3179 * function.c (assign_temp): Use it.
3180 * gimplify.c (create_tmp_var): Relax the assertions on the type
3181 properties, not mandating constant size any more.
3182 (force_constant_size): New static function.
3183 (gimple_add_tmp_var): Use it, forcing variable size to a
3184 constant upper bound if it is not constant on entry.
3186 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3189 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3190 for initialization and setting of one_only flag to ...
3191 (i386_pe_encode_section_info): ...here.
3192 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3193 Recheck that the symbol has not been defined.
3195 2006-06-23 Richard Guenther <rguenther@suse.de>
3197 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3198 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3199 alignment requests instead. Add verification code.
3200 Add struct tree_function_decl and struct tree_binfo size to
3201 extra_order_size_table. Add missing element to size_lookup
3204 2006-06-22 Roger Sayle <roger@eyesopen.com>
3205 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3208 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3209 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3211 2006-06-23 Ben Elliston <bje@au.ibm.com>
3213 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3214 negate dn -- manipulate it directly.
3216 2006-06-22 Roger Sayle <roger@eyesopen.com>
3217 Steven Bosscher <stevenb.gcc@gmail.com>
3220 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3221 generated by gen_move_insn to add REG_LABEL notes if necessary.
3223 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3225 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3226 (leaf_entry): Remove use of MIN_ESA.
3228 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3230 PR rtl-optimization/28121
3231 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3234 2006-06-21 DJ Delorie <dj@redhat.com>
3236 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3238 (mulhisi3_r): Likewise.
3240 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3243 * coverage.c (coverage_counter_alloc): Leave the index type
3245 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3248 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3250 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3251 section from the "Options for Code Generation Conventions".
3253 2006-06-21 Richard Henderson <rth@redhat.com>
3257 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3259 (global_symbolic_operand): Allow weak symbols, even if local_p.
3261 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3263 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3264 (find_interesting_uses_address): Punt if above function returns true.
3266 2006-06-21 Richard Guenther <rguenther@suse.de>
3268 * configure: Regenerated.
3270 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3272 * config/mips/mips.c (function_arg): Where one part of a
3273 complex argument is in registers and the other part in the stack,
3274 return a REG not a PARALLEL.
3276 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3278 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3279 when cross-compiling. Do not substitute libstdcxx_incdir.
3280 * configure: Regenerated.
3282 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3284 * varasm.c (mergeable_string_section): Check for embedded NULs and
3285 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3286 rather than TREE_STRING_LENGTH bytes.
3288 2006-06-21 Richard Guenther <rguenther@suse.de>
3290 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3291 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3294 2006-06-21 Richrad Guenther <rguenther@suse.de>
3296 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3297 Limit iteration over the dominators.
3299 2006-06-20 Roger Sayle <roger@eyesopen.com>
3301 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3302 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3304 2006-06-20 Richard Guenther <rguenther@suse.de>
3305 Michael Matz <matz@suse.de>
3307 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3309 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3310 * et-forest.h (et_free_pools): Prototype new function.
3311 * et-forest.c (et_free_tree_force): Free parent occurrence.
3312 (et_free_pools): New function.
3313 * dominance.c (free_dominance_info): Free et-forest alloc
3316 2006-06-20 Roger Sayle <roger@eyesopen.com>
3318 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3319 integer modes, attempt to directly construct an integer constant.
3321 * fold-const.c (native_encode_vector): Determine the size of each
3322 element from the vector type instead of the first vector element.
3324 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3325 if all of its elements/components are constant.
3326 (build_constructor_from_list): Likewise.
3328 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3330 PR tree-optimization/27331
3331 * tree-data-ref.c (free_data_ref): New function.
3332 (create_data_ref): Fail if the data reference has unknown access
3334 (free_data_refs): Use free_data_ref.
3336 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3339 * tree-inline.c (setup_one_parameter): Strip useless
3340 type conversion before adding it to the IR.
3341 (declare_return_variable): Likewise.
3343 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3346 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3348 2006-06-19 Mike Stump <mrs@apple.com>
3350 * tree.c (variably_modified_type_p): VM arguments don't make the
3353 2006-06-19 Richard Guenther <rguenther@suse.de>
3355 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3356 type conversions after folding.
3358 2006-06-19 Richard Guenther <rguenther@suse.de>
3360 * ggc-page.c (extra_order_size_tab): Add entries with
3361 size of struct function and basic_block.
3362 (size_lookup): Extend to cover sizes up to 511.
3363 (ggc_alloc_stat): Adjust user.
3364 (ggc_pch_count_object): Likewise.
3365 (ggc_pch_alloc_object): Likewise.
3366 (ggc_pch_write_object): Likewise.
3368 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3370 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3371 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3374 2006-06-19 Denis Chertykov <denisc@overta.ru>
3376 * config/avr/libgcc.S : Correct my wrong previous commit.
3378 2006-06-19 Roger Sayle <roger@eyesopen.com>
3381 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3382 have stripped a SUBREG from the shift count, so we may need to
3383 convert_to_mode back to the type's mode before calling make_tree.
3384 Use new_amount instead of amount to avoid expanding a tree twice.
3386 2006-06-19 Richard Guenther <rguenther@suse.de>
3389 * fold-const.c (operand_equal_p): Check if the argument types
3390 have the same precision before stripping NOPs.
3392 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3394 Fix PR tree-optimization/27341
3395 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3397 * tree-complex.c (pass_lower_complex): Update SMT usage.
3399 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3401 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3402 Add a new alternative to the constraint strings. Add move of
3403 operand 1 to 3 to the splitter definition.
3404 ("doloop_si_long"): Second contraint alternative removed.
3406 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3408 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3409 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3411 (AVR_HAVE_MOVW) Define.
3412 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3413 (ASM_SPEC): Add avr25.
3414 (LINK_SPEC): Add avr25.
3415 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3416 (base_arch_s): Add new member 'have_movw_lpmx'.
3417 (avr_arch_types): Init 'have_movw_lpmx'.
3418 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3419 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3420 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3421 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3422 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3424 (avr_file_start): Do not output '.arh' derective.
3425 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3426 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3427 * config/avr/avr.md (mcu_enhanced): Delete.
3428 (mcu_have_movw): Define.
3429 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3430 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3431 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3432 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3433 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3434 attiny861 and at86rf401 devices.
3436 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3438 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3441 2006-06-17 Karl Berry <karl@gnu.org>
3443 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3444 doc/gccint.texi, doc/install.texi (@dircategory): Use
3445 "Software development" instead of "Programming", following
3446 the Free Software Directory.
3448 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3450 * config/i386/i386.c (legitimate_tls_address)
3451 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3452 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3453 (*tls_dynamic_gnu2_combine_64): Likewise.
3455 2006-06-16 Richard Guenther <rguenther@suse.de>
3458 * fold-const.c (negate_expr_p): Do not introduce undefined
3459 overflow in negating INTEGER_CSTs.
3460 (fold_negate_expr): Rename from negate_expr. Revert last
3461 change for folding BIT_NOT_EXPR. Change semantics to
3462 return NULL_TREE for non-simplified negations. Do not
3463 strip type conversions and unify type handling.
3464 (negate_expr): New function, wrap around fold_negate_expr
3465 but ensure building a tree always. Strip type conversions
3466 here, fold to result type.
3467 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3469 2006-06-16 Roger Sayle <roger@eyesopen.com>
3472 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3473 that (would) return their results in stack registers.
3475 2006-06-16 Michael Matz <matz@suse.de>
3476 Richard Guenther <rguenther@suse.de>
3478 * fold-const.c (fold_truthop): Only return new tree node if
3479 we canonicalized something.
3481 2006-06-16 Richard Guenther <rguenther@suse.de>
3483 * function.h (enum function_frequency): Move declaration
3484 out of struct function.
3485 (struct function): Move bool fields and the enum to the bitfield
3486 section. Reorder elements to avoid padding. Remove unused
3487 fields left over from the RTL inliner removal.
3488 * function.c (free_after_compilation): Do not zero removed fields.
3489 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3490 (ipa-type-escape.o): Likewise.
3492 2006-06-16 Richard Guenther <rguenther@suse.de>
3494 * cgraph.h (struct cgraph_local_info): Turn bool elements
3496 (struct cgraph_node): Likewise.
3497 (struct cgraph_varpool_node): Likewise.
3499 2006-06-15 Richard Guenther <rguenther@suse.de>
3501 * fold-const.c (fold_truth_not_expr): Rename from
3502 invert_truthvalue. Give it fold_* semantics to avoid
3504 (invert_truthvalue): New function. Wrapper around
3505 fold_truth_not_expr.
3506 (optimize_minmax_comparison): Avoid creating garbage.
3507 (fold_unary): Use fold_truth_not_expr for folding
3509 (fold_ternary): Replace uses of invert_truthvalue with
3510 fold_truth_not_expr where applicable.
3511 * tree.h (fold_truth_not_expr): Prototype.
3513 2006-06-16 Richard Guenther <rguenther@suse.de>
3515 PR tree-optimization/27781
3516 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3517 * ipa-pure-const.c (target.h): Include.
3518 (analyze_function): Do not analyze functions that do not
3521 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3524 * tree-dfa.c (referenced_vars_dup_list): Remove.
3525 (find_referenced_vars): Remove assert.
3526 (referenced_var_check_and_insert): Replace dup list with assert.
3527 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3528 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3530 2006-06-15 Richard Guenther <rguenther@suse.de>
3532 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3533 extra unused identifiers if not dumping.
3534 (create_variable_info_for): Likewise.
3536 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3538 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3539 (derive_constant_upper_bound): Derive more precise upper bound in
3540 common cases. Return type changed to double_int.
3541 (record_estimate): Reflect the changed return type of
3542 derive_constant_upper_bound.
3543 * double-int.c (double_int_zext, double_int_sext): Fix.
3545 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3547 * configure.ac (CFLAGS): Get them from the toplevel or from the
3548 configure invocation.
3549 * configure: Regenerate.
3550 * Makefile.in (CFLAGS): Substitute value provided by configure.
3552 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3555 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3556 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3557 rather than calling add_stmt on it.
3558 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3560 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3563 * reload1.c (reload): Remove registers returned by update_eliminables
3564 from used_spill_regs.
3566 2006-06-13 DJ Delorie <dj@redhat.com>
3568 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3570 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3572 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3573 html__strip_dir, html__mkdir_p. Enhance install-html target.
3574 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3575 * configure: Regenerate.
3577 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3579 * fold-const.c (fold_cond_expr_with_comparison): Check for
3580 Objective-C++ as language in deciding COND_EXPR transformation.
3582 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3585 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3586 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3587 * config/sh/lib1funcs.h (SL, SL1): Define.
3588 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3589 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3590 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3591 (OBJS_Os_4_200): New variable.
3592 ($(T)libgcc-Os-4-200.a): Use it.
3593 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3594 when dividing 1 and/or by 0.
3596 2006-06-13 Roger Sayle <roger@eyesopen.com>
3598 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3599 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3600 * configure: Regenerate.
3602 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3604 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3605 for real instruction.
3607 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3610 * haifa-sched.c (check_cfg): Handle special case.
3612 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3615 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3616 Add debug_info parameter. Chain the vars to the BLOCK instead
3617 of the BIND_EXPR if debug info are requested for them.
3618 (pop_gimplify_context): Adjust for above change.
3619 (gimple_add_tmp_var): Likewise.
3620 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3622 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3623 (convert_local_reference): Likewise.
3624 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3625 (finalize_nesting_tree_1): Request that debug info be emitted
3626 for debug_var_chain.
3628 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3630 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3631 for PR target/27863.
3633 2006-06-13 Richard Guenther <rguenther@suse.de>
3636 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3638 2006-06-13 Richard Guenther <rguenther@suse.de>
3640 PR tree-optimization/27830
3641 * tree-inline.c (copy_body_r): For copying the operand
3642 of an ADDR_EXPR make sure to fold &* afterwards.
3644 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3646 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3647 lvalues in the fb_none case with side-effects.
3649 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3651 * tree-flow.h: Remove the prototype for
3652 compute_phi_arg_on_exit.
3653 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3654 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3657 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3659 * builtins.c (expand_builtin_return_addr): Only use
3660 frame_pointer_rtx when count == 0 and we are expanding
3661 __builtin_return_address.
3663 2006-06-12 Fred Fish <fnf@specifix.com>
3665 * config/mips/mips.c (mips_file_start): Create special section
3666 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3668 2006-06-11 Eric Christopher <echristo@apple.com>
3671 * stor-layout.c (place_field): Remove check for
3672 remaining_in_alignment when aligning at the end of a run.
3674 2006-06-11 Eric Christopher <echristo@apple.com>
3677 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3680 2006-06-11 Roger Sayle <roger@eyesopen.com>
3683 Revert incorrect fix for PR target/27158
3684 2006-05-08 Roger Sayle <roger@eyesopen.com>
3685 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3686 of a reg_equiv_constant if the result is a legitimate constant.
3688 2006-06-11 Roger Sayle <roger@eyesopen.com>
3691 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3692 extract a CONST_VECTOR element and interpret it as an integer.
3693 (vspltis_constant): Use const_vector_elt_as_int instead of the
3694 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3695 * config/rs6000/predicates.md (easy_vector_const): Consider
3696 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3698 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3701 * stor-layout.c (update_alignment_for_field): Don't add extra
3702 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3705 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3707 * config/mips/t-rtems: Add EL/EB multilib variants.
3709 2006-06-09 Mike Stump <mrs@apple.com>
3711 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3713 2006-06-09 David Daney <ddaney@avtrex.com>
3715 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3717 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3719 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3721 2006-06-09 Richard Guenther <rguenther@suse.de>
3723 PR tree-optimization/26998
3724 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3725 of signed types, only TYPE_MIN_VALUE is special, but for both,
3726 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3727 in this case, as is -fwrapv.
3729 2006-06-08 Mike Stump <mrs@apple.com>
3732 * config/darwin.c (darwin_asm_output_anchor): Disable
3733 -fsection-anchors on darwin for now.
3734 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3735 * rs6000/rs6000.c (optimization_options): Likewise.
3737 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3740 * config/i386/i386.c (classify_argument): Skip fields with invalid
3743 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3745 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3746 (cse_insn): Likewise for the stack_pointer_rtx.
3748 2006-06-08 Roger Sayle <roger@eyesopen.com>
3750 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3751 conditions from floating point comparisons.
3753 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3756 * expmed.c (struct alg_hash_entry): Fix type of field T
3757 to match synth_mult argument.
3758 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3760 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3763 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3766 2006-06-08 Richard Guenther <rguenther@suse.de>
3769 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3770 only, if overflow is defined and not trapping.
3771 (negate_expr): Likewise.
3773 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3775 PR tree-optimization/27872
3776 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3777 flag on the new exit edge of the unrolled loop.
3779 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3781 PR rtl-optimization/26449
3782 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3784 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3787 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3788 referenced_variables with matching DECL_UID's.
3789 (find_referenced_vars): Make sure duplicate list is empty to start.
3790 (referenced_var_p): Remove.
3791 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3792 Check if var is in the list, and add if needed. Update the duplicate
3793 list if a different var is in the list with the same DECL_UID.
3794 (add_referenced_var): Call routine to check and insert.
3795 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3796 * tree-flow.h (referenced_vars_dup_list): External declaration.
3798 2006-06-07 Fred Fish <fnf@specifix.com>
3800 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3803 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3806 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3807 the imaginary and real parts of a clobbered register.
3808 Emit insn to set the imaginary part.
3810 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3812 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3813 in lieu of unwind-dw2-fde.c.
3815 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3817 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3819 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3822 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3823 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3824 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3825 V4SImode temporaries and operations instead.
3827 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3829 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3832 2006-06-06 Mike Stump <mrs@apple.com>
3834 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3835 installing during build.
3837 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3839 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3841 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3842 * config/ia64/ia64.c (params.h): New header.
3843 (ia64_optimization_options): New function to adjust parameters.
3844 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3845 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3846 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3848 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3850 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3852 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3855 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3857 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3858 Victor Kaplansky <victork@il.ibm.com>
3860 PR tree-optimization/26360
3861 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3864 2006-06-04 Roger Sayle <roger@eyesopen.com>
3865 Andrew Pinski <pinskia@physics.uc.edu>
3868 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3869 for LABEL_DECL before calling DECL_WEAK.
3872 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3873 LABEL_DECL and PARM_DECL.
3875 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3879 * c-decl.c (grokdeclarator): Disallow variably modified types at
3880 file scope. Avoid marking shared array type of constant size as
3883 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3886 * c-common.c (fold_offsetof_1): Handle static members.
3888 2006-06-04 Eric Christopher <echristo@apple.com>
3890 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3891 (debug_rli): Output value for remaining_in_alignment.
3892 (update_alignment_for_field): Unconditionalize
3893 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3894 extra alignment code.
3895 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3896 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3897 * tree.h (record_layout_info_s): Remove prev_packed.
3898 * doc/extend.texi (ms_struct): Add documentation of format.
3900 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3902 * tree.h: Declare folding_initializer.
3903 * builtins.c (fold_builtin_constant_p): Give definite answer
3904 if folding inside an initializer.
3905 * fold-const.c: Define folding_initializer.
3906 (START_FOLD_INIT): Save and then set folding_initializer.
3907 (END_FOLD_INIT): Restore folding_initializer.
3909 2006-06-04 Richard Guenther <rguenther@suse.de>
3911 PR tree-optimization/27039
3912 * fold-const.c (fold_comparison): Handle pointer comparison
3913 again for all comparison codes. Compare offsets in signed
3915 (fold_binary): Move code from here.
3917 2006-06-03 Roger Sayle <roger@eyesopen.com>
3920 * config/i386/i386.c (construct_container): Split static issued_error
3921 flag into issued_sse_arg_error, issued_sse_ret_error and
3922 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3923 requires the use of x87 registers and the user explicitly
3924 specified the -mno-80387 command line option.
3926 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3928 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3929 HAVE_DECL_SIGALTSTACK.
3931 (segv_handler): Use MC_FLD.
3932 * configure.ac: Check for a sigaltstack declaration.
3933 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3934 * configure: Regenerate.
3935 * config.in: Regenerate.
3937 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3940 * Makefile.in (stmp-fixinc): Fix typo.
3942 2006-06-02 Roger Sayle <roger@eyesopen.com>
3944 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3945 are type correct. Clean-up.
3946 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3947 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3949 2006-06-01 DJ Delorie <dj@redhat.com>
3951 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3952 shift, as we've disabled the "switch" insn that needs it.
3954 2006-06-01 Per Bothner <bothner@bothner.com>
3956 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3957 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3958 * c-ppoutput.c (cb_define): Don't increment line 0.
3960 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3962 * doc/invoke.texi: Add cpu_type power6.
3963 * config.gcc: Add cpu_type power6.
3964 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3965 to power5+ with Altivec.
3966 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3967 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3969 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3971 * config/avr/avr.h (SET_ASM_OP): Define.
3973 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3975 * config/bfin/bfin.c: Fix comment typos.
3977 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3980 * doc/install.texi: Document --enable-bootstrap and
3981 --disable-bootstrap.
3983 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3985 * doc/install.texi: Document that InfoZIP can replace jar.
3987 2006-05-31 Roger Sayle <roger@eyesopen.com>
3989 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3990 isn't available, directly generate the simpler x87 patterns without
3991 the (use (const_int 0)).
3992 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3993 implementation isn't available.
3994 (*negdf2_1): Likewise.
3995 (*negxf2_1): XF mode negation is always done using the x87.
3996 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3998 2006-05-31 Roger Sayle <roger@eyesopen.com>
4000 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4001 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4003 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4005 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4007 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4008 * config/bfin/bfin.c (basic-block.h): Include.
4009 (struct machine_function): New.
4010 (bfin_init_machine_status): New.
4011 (override_options): Initialize init_machine_status.
4012 (bfin_hardware_loop): New.
4013 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4014 (DEF_VEC_P (loop_info)): New.
4015 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4016 (struct loop_info): New.
4017 (loop_info): New typedef.
4018 (struct loop_work): New.
4019 (loop_work): New typedef.
4020 (DEF_VEC_O (loop_work)): New.
4021 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4022 (bfin_dump_loops): New.
4023 (bfin_bb_in_loop): New.
4024 (bfin_scan_loop): New.
4025 (bfin_optimize_loop): New.
4026 (bfin_reorg_loops): New.
4027 (bfin_reorg): Use bfin_reorg_loops.
4028 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4030 (I_REGNO_P): Simplify.
4031 (DP_REGNO_P, DPREG_P): New macros.
4032 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4033 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4034 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4035 Add LT_REGS, LC_REGS, LB_REGS.
4036 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4038 (REGNO_REG_CLASS): Deal with loop registers.
4039 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4041 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4042 New constants for loop registers.
4043 (UNSPEC_LSETUP_END): New.
4044 (seq_insns): New define_attr. Set it for appropriate insns.
4045 (movsi_insn): Add alternatives for move from/to
4046 loop count registers.
4047 (doloop_end): New define_expand.
4048 (loop_end): New define_insn.
4049 (define_split for bad doloop_end): New.
4050 (lsetup_with_autoinit): New define_insn.
4051 (lsetup_without_autoinit): New define_insn.
4052 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4053 * config/bfin/predicates.md (lc_register_operand): New.
4054 (lt_register_operand): New.
4055 (lb_register_operand): New.
4056 (nondp_register_operand): New.
4057 (nondp_reg_or_memory_operand): New.
4058 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4060 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4062 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4063 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4065 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4067 * Makefile.in (CATALOGS): Add po/ prefix.
4068 * configure: Regenerated.
4070 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4073 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4074 a shift operand before calling shift_op. Avoid redundant call of
4077 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4078 DJ Delorie <dj@redhat.com>
4080 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4081 we're inserting is a singlt-bit constant.
4083 2006-05-30 Roger Sayle <roger@eyesopen.com>
4085 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4086 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4088 2006-05-30 Roger Sayle <roger@eyesopen.com>
4090 PR tree-optimization/23452
4091 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4092 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4093 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4094 complex values and with -ffast-math for FP complex values.
4096 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4098 * c-common.h: Remove the prototype for yyparse.
4099 * rtl.h: Remove the prototype for init_loop.
4101 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4103 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4106 2006-05-30 Roger Sayle <roger@eyesopen.com>
4108 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4110 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4111 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4113 2006-05-30 Dirk Mueller <dmueller@suse.de>
4116 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4117 for CONSTANT_CLASS_P expresisons.
4119 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4122 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4124 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4126 PR tree-optimization/27779
4127 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4128 initial_condition instead of CHREC_LEFT.
4130 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4132 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4133 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4134 Make prototypes ISO C90.
4136 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4137 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4139 * see.c (see_analyze_one_def): Correct check.
4140 (see_get_extension_data): Check if extension is parallel.
4141 (see_get_extension_reg): Likewise.
4143 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4146 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4147 into register for (code == GTU).
4149 2006-05-29 Roger Sayle <roger@eyesopen.com>
4151 PR tree-optimization/24964
4152 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4153 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4154 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4155 abs(x)*abs(x) as x*x for scalar floating point modes.
4157 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4160 * lambda-code.c (perfect_nestify): Don't copy statements
4161 in the inner loop: move them to the inner loop header.
4163 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4166 * c-tree.texi: Document OpenMP directives and clauses.
4168 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4170 * varasm.c (globalize_decl): Fix indentation.
4172 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4175 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4176 pass_fre, pass_store_ccp, pass_copy_prop,
4177 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4178 pass_return_slot, pass_object_size, pass_lim,
4179 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4180 pass_loop_prefetch and pass_stdarg.
4182 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4184 * config/bfin/bfin.opt (mfdpic): New option.
4185 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4186 (EXTRA_MULTILIB_PARTS): Likewise.
4187 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4188 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4190 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4191 (CRT_CALL_STATIC_FUNCTION): New.
4192 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4194 (CRT_CALL_STATIC_FUNCTION): New.
4195 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4197 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4198 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4199 (initialize_trampoline): Changed to handle FD-PIC code generation.
4200 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4201 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4202 (override_options): Disallow -mid-shared-library -mfdpic combination.
4203 Can't do unaligned ops if FD-PIC.
4204 Turn off flag_pic if trying to generate non-id-shared-library
4205 non-fdpic code, since it's not supported.
4206 (bfin_assemble_integer): New function.
4207 (TARGET_ASM_INTEGER): Define.
4208 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4210 * config/bfin/crtn.s: Restore them.
4211 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4213 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4214 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4215 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4216 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4217 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4219 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4220 FDPIC_REGS and FDPIC_FPTR_REGS.
4221 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4222 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4223 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4224 (load_funcdescsi): New pattern.
4225 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4226 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4227 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4229 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4231 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4234 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4236 * tree-flow.h: Remove the prototype for add_type_alias.
4237 * tree-ssa-alias.c (add_type_alias): Remove.
4239 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4241 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4242 config/fr30/fr30.md, config/i386/i386-interix.h,
4243 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4244 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4245 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4246 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4247 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4248 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4249 Follow spelling conventions.
4250 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4251 Follow spelling conventions.
4253 2006-05-27 Richard Guenther <rguenther@suse.de>
4256 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4257 to produce a constant of value 1 of generic type.
4259 2006-05-27 Dirk Mueller <dmueller@suse.de>
4261 * cgraphunit.c (decide_is_function_needed): Fix wrong
4264 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4266 PR rtl-optimization/27661
4267 * reload.c (find_reloads): When reloading a VOIDmode constant
4268 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4269 use Pmode as mode of the reload register.
4271 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4273 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4274 is enabled at -O and above.
4276 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4279 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4282 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4285 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4286 for anonymous variables explicitly declared by front ends.
4288 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4290 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4291 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4292 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4293 ref-all pointers, run a finalization pass for them.
4294 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4295 (finalize_ref_all_pointers): New function.
4296 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4297 regular pointer type to a ref-all pointer type.
4298 (get_tmt_for): Return the special memory tag for ref-all pointers.
4300 2006-05-25 Richard Guenther <rguenther@suse.de>
4303 * fold-const.c (fold_binary): Do not look at the stripped
4304 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4306 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4308 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4309 for LT and GT if the computed range is effectively empty.
4311 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4314 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4315 mips_quad_format formats instead of ieee_single_format,
4316 ieee_double_format and ieee_quad_format formats, respectively.
4318 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4320 PR tree-optimization/27639
4321 PR tree-optimization/26719
4322 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4323 call to scev_probably_wraps_p.
4324 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4325 used_in_pointer_arithmetic_p, convert_step): Removed.
4326 (nowrap_type_p): New function.
4327 (scev_probably_wraps_p): Rewritten.
4328 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4329 chrec_convert if chrec_convert_aggressive might have been used.
4330 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4331 scev_direction): New functions.
4332 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4333 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4334 instead of convert_step.
4335 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4336 (convert_step): Declaration removed.
4337 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4339 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4341 * df-core.c: Added to header comments.
4342 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4343 df_ur_bb_info, df_urec_bb_info): Added comments.
4344 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4345 urec, ri problems): Fixed header comments.
4346 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4347 code from df_rd_transfer_function.
4349 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4351 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4352 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4353 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4355 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4357 * expr.c (undefined_operand_subword_p): New.
4358 (emit_move_multi_word): Do not generate move from undefined bits
4359 of a paradoxical subreg.
4361 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4363 PR rtl-optimization/27736
4364 * combine.c (replaced_rhs_value): New variable.
4365 (combine_instructions): Set it.
4366 (distribute_notes): When distributing a note in replaced_rhs_insn,
4367 check whether the value was used in replaced_rhs_value.
4369 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4372 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4373 add_referenced_var instead of add_referenced_tmp_var.
4374 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4375 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4377 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4378 tree_optimize_tail_calls_1): Use add_referenced_var.
4379 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4380 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4381 Use add_referenced_var.
4382 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4383 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4384 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4385 Use add_referenced_var.
4386 * tree-dfa.c (struct walk_state): Remove.
4387 (find_referenced_vars): Remove walk state and vars_found hash table.
4388 (make_rename_temp): Use add_referenced_var.
4389 (find_vars_r): Pass less parameters to add_referenced_var.
4390 (referenced_var_p): New. Is var in referenced_var hash table.
4391 (referenced_var_insert): Assert var isn't already in hash table.
4392 (add_referenced_var): Don't need walk_state parameter. Add var if it
4393 isn't already in the hash table.
4394 (add_referenced_tmp_var): Remove.
4395 (find_new_referenced_vars_1): Use add_referenced_var.
4396 * tree-ssa-pre.c (create_expression_by_pieces,
4397 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4398 Use add_referenced_var.
4399 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4400 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4401 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4403 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4404 vect_create_data_ref_ptr, vect_create_destination_var,
4405 vect_init_vector, vect_build_loop_niters,
4406 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4407 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4408 Use add_referenced_var.
4409 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4410 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4411 (add_referenced_var): Add prototype.
4412 * tree-ssa-structalias.c (get_constraint_for,
4413 intra_create_variable_infos): Use add_referenced_var.
4415 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4417 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4418 big-endian paradoxical subregs.
4419 * var-tracking.c (struct micro_operation_def): Document that,
4420 for modify micro operations, insn is the subsequent instruction.
4421 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4422 (var_reg_set, var_mem_set): ... new functions.
4423 (add_stores): Record subsequent insn.
4424 (compute_bb_dataflow): Use new functions for MO_USE.
4425 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4426 notes after the insn, and modify notes before the insn known
4427 to be the subsequent one.
4428 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4430 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4433 * config/i386/i386.c (ix86_expand_builtin): Use
4434 gen_sse3_monitor64 for TARGET_64BIT.
4436 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4438 PR rtl-optimization/26375
4439 PR rtl-optimization/26855
4440 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4442 (df_ru_bb_local_compute): Reversed statements and removed bogus
4443 comment explaining why they should be in wrong order.
4444 (df_ru_dump, df_rd_dump): Enhanced debug info.
4445 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4447 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4448 reaching uses and fixed space problem.
4450 2006-05-23 Jan Hubicka <jh@suse.cz>
4452 * cgraphunit.c (decide_is_function_needed): Also nested functions
4453 and functions declared inline can be optimized out at -O0.
4455 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4457 * doc/install.texi (Configuration): Remove reference to CrossGCC
4461 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4464 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4465 ix86_compare_emitted is non-NULL.
4467 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4470 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4473 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4475 PR rtl-optimization/25514
4476 * combine.c (replaced_rhs_insn): New variable.
4477 (combine_instructions): Set replaced_rhs_insn when trying to replace
4478 a SET_SRC with a REG_EQUAL note.
4479 (distribute_notes): Use replaced_rhs_insn when determining the live
4480 range of a REG_DEAD register.
4482 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4483 Anatoly Sokolov <aesok@post.ru>
4485 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4486 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4487 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4488 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4489 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4490 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4491 at90usb647, at90usb1286 and at90usb1287 devices.
4492 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4493 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4495 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4497 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4499 2006-05-22 Richard Guenther <rguenther@suse.de>
4502 2006-01-31 Richard Guenther <rguenther@suse.de>
4503 Paolo Bonzini <bonzini@gnu.org>
4505 * doc/install.texi (--disable-libgcc-math): Document.
4507 2006-05-22 Richard Guenther <rguenther@suse.de>
4510 2006-01-31 Richard Guenther <rguenther@suse.de>
4512 * doc/invoke.texi (-msselibm): Document.
4513 * target.h (expand_library_builtin): New target hook.
4514 * builtins.c (expand_builtin): Use expand_library_builtin.
4515 (default_expand_library_builtin): New function.
4516 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4517 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4518 (link_gcc_math_spec): Declare.
4519 (static_specs): Add link_gcc_math_spec.
4520 * expr.h (default_expand_library_builtin): Declare.
4521 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4522 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4523 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4524 * config/i386/i386.opt (msselibm): New target option.
4525 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4526 (ix86_init_sse_abi_builtins): New function.
4527 (ix86_expand_library_builtin): Likewise.
4528 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4529 (override_options): Handle error conditions wrt -msselibm.
4530 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4531 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4532 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4535 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4538 * c-common.c (self_promoting_args_p): Skip erroneous args.
4541 * c-decl.c (finish_struct): Skip erroneous fields.
4543 2006-05-22 Nick Clifton <nickc@redhat.com>
4545 * config/cris/cris.opt (march): Remove VarExists attribute.
4546 (max-stackframe=): Likewise.
4548 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4550 * doc/rtl.texi: Fix a typo.
4551 * see.c: Fix comment typos.
4553 * tree-ssa-structalias.h (alias_info): Remove num_references.
4555 2006-05-21 Mike Stump <mrs@apple.com>
4557 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4559 (darwin_pragma_options): Use BAD instead.
4560 (darwin_pragma_unused): Likewise.
4561 (darwin_pragma_ms_struct): Likewise.
4563 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4565 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4567 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4569 PR rtl-optimization/27671
4570 * simplify-rtx.c (simplify_relational_operation_1): Fix
4571 simplifications of (eq/ne (xor x y) y) and
4572 (eq/ne (xor x y) x).
4574 PR tree-optimization/26622.
4575 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4578 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4580 * tree-cfg.c: Prune whitespace.
4581 (debug_tree_cfg): Point to correct header containing the
4584 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4587 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4589 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4592 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4593 or sorry count is non zero.
4595 2006-05-20 Andreas Schwab <schwab@suse.de>
4597 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4599 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4600 Kenneth Zadeck <zadeck@naturalbridge.com>
4602 PR rtl-optimization/26855
4604 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4606 (df_scan_alloc): Added code to properly handle multiword hard
4607 registers and add all_blocks parameter.
4608 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4609 code to properly handle multiword hard registers.
4610 (df_rescan_blocks): Added code to remove deleted blocks from
4612 (df_ref_create_structure, df_ref_record): Added code to properly
4614 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4615 and set DF_REF_PARTIAL.
4616 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4617 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4618 (df_scan_add_problem): Added flags parameter.
4619 (df_ref_create_structure): Changed switching structure.
4620 (df_bb_refs_record): Fixed case where duplicate artificial refs
4621 were created. Changed location of flags.
4622 (df_record_entry_block_defs): Added code to make stack pointer
4623 live in entry block. Refined cases where frame pointer is needed.
4624 Changed location of flags.
4625 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4626 (df_set_state): Removed function.
4627 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4628 df_insn_create_insn_record, df_insn_refs_delete,
4629 df_ref_create_structure): Formatting changes.
4630 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4631 df_delete_basic_block): New function.
4632 (df_init): Changed location of flags.
4633 (df_add_problem): Added flags parameter and the way flags are
4635 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4636 debug_df_chain): Improved debugging output.
4637 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4638 (df_refs_chain_dump): Removed df parameter.
4639 (df_iterative_dataflow): Added consistency check.
4640 (df_prune_to_subcfg): Made public.
4641 (df_analyze_problem): Added blocks_to_init parameter and made
4643 (df_ref_record, df_bb_refs_record, df_mark_reg,
4644 df_record_exit_block_uses): Whitespace changes.
4645 (df_dump): Whitespace changes.
4646 * df.h: Some reordering to remove forward references.
4647 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4648 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4649 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4650 (dataflow.flags): New field.
4651 (df.flag): Deleted field.
4652 (df_alloc_function): Added additional bitmap parameter.
4653 (df_dependent_problem_function): New type.
4654 (df_problem.changeable_flags): New field.
4655 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4656 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4657 (df_mw_hardreg): New struct.
4658 (DF_INSN_UID_MWS): New macro.
4659 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4661 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4662 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4663 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4664 (df_set_state): Removed function.
4665 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4666 * df-problems.c (df_chain_dump): Removed df parameter.
4667 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4668 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4670 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4671 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4672 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4673 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4674 DF_REF_MUST_CLOBBER cases.
4675 (df_ru_bb_local_compute_process_def,
4676 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4677 df_lr_bb_local_compute, df_ur_bb_local_compute,
4678 df_chain_create_bb): Made subreg aware.
4679 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4680 df_lr_bb_local_compute, df_lr_bb_local_compute,
4681 df_chain_create_bb): Cleanup to use proper macros.
4682 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4683 code to fixup bitvectors.
4684 (df_ri_alloc): Cleared lifetime.
4685 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4686 df_create_unused_note): New function.
4687 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4688 REG_DEAD and REG_UNUSED notes as well as register information.
4689 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4690 df_chains_dump): Fixed crash if problem was never run.
4691 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4692 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4693 df_ri_add_problem): Processes flags in uniform manner.
4694 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4695 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4696 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4697 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4698 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4699 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4700 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4701 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4702 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4703 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4704 * see.c (see_initialize_data): Ditto.
4705 * final.c (rest_of_clean_state) Added regstack_completed.
4706 * rtl.h (regstack_completed): Ditto.
4707 * reg-stack.c (regstack_completed): Ditto.
4709 2006-05-19 Mike Stump <mrs@apple.com>
4711 * c-tree.h (default_conversion): Remove.
4712 * c-common.h (default_conversion): Add.
4714 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4716 * tree-vrp.c (valid_value_p): New function.
4717 (adjust_range_with_scev): Fail if the value of bound is not
4720 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4722 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4723 (mips_fallback_frame_state): Use syscall numbers to determine
4724 the appropriate li instruction for the current ABI. Only use
4725 __NR_sigreturn for o32.
4727 2006-05-19 Nicolas Setton <setton@adacore.com>
4729 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4730 * langhooks.c (lhd_dwarf_name): New function.
4731 * langhooks-def.h (lhd_dwarf_name): Declare.
4732 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4733 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4734 * ada/misc.c (gnat_dwarf_name): New function.
4735 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4737 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4739 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4741 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4742 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4743 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4744 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4745 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4746 determine the size of Wtype, etc.
4747 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4748 (swfloatfuncs): New variable.
4749 (dwfloatfuncs): Likewise.
4750 (lib2funcs): Remove floating-point conversion functions from
4751 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4752 the set of conversion routines needed. Allow entries to specify
4753 an object name, filename and word size. Update users accordingly.
4754 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4755 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4759 2006-02-08 Roger Sayle <roger@eyesopen.com>
4762 * config/fixtfdi.c: New libgcc source file.
4763 * config/fixunstfdi.c: New source file.
4764 * config/floatditf.c: New source file.
4765 * config/floatunditf.c: New souce file.
4766 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4767 files above instead of config/mips/_tilib.c.
4768 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4770 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4772 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4773 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4775 2006-05-18 Mike Stump <mrs@apple.com>
4777 Fix up vla, vm and [*] sematics.
4783 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4784 (c_vla_unspec_p): Add.
4785 (c_vla_type_p): Add.
4786 * c-decl.c (struct c_scope): Add had_vla_unspec.
4787 (build_array_declarator): Add support for [*].
4788 (grokdeclarator): Likewise.
4789 (grokparms): Likewise.
4790 (get_parm_info): Likewise.
4791 * c-objc-common.c (c_vla_unspec_p): Likewise.
4792 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4793 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4794 typeof when argument is a variably modified type not inside sizeof or alignof.
4795 (c_parser_direct_declarator_inner): Propagate errors.
4796 (c_parser_sizeof_expression): Add support for [*].
4797 (c_parser_parms_declarator): Initialize had_vla_unspec.
4798 (c_parser_parms_list_declarator): Likewise.
4799 * c-typeck.c (c_vla_type_p): Add.
4800 (composite_type): Add support for vla compositing.
4801 (comptypes_internal): Add support for vla compatibility.
4802 (c_expr_sizeof_expr): Evaluate vla arguments.
4803 * tree.c (variably_modified_type_p): Update comment for [*].
4805 2006-05-18 Michael Matz <matz@suse.de>
4808 * config.host: Make assignments to host_xmake_file cumulative.
4809 * config.host (*-darwin*): Test $host, not $target.
4811 2006-05-12 Stuart Hastings <stuart@apple.com>
4813 * config/i386/i386.opt (-mstackrealign): New flag.
4814 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4815 (ix86_handle_cconv_attribute): Emit error when
4816 force_align_arg_pointer attribute collides with too many regparms.
4817 (ix86_function_regparm): Limit regparms when used with
4818 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4819 Support stack-realigning prologue in non-main functions. Emit
4820 warning for nested functions under -mstackrealign, emit error for
4821 nested functions with force_align_arg_pointer attribute.
4822 * doc/extend.texi (force_align_arg_pointer): Document it.
4823 * doc/invoke.texi (-mstackrealign): Document it.
4825 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4827 PR rtl-optimization/27477
4828 * combine.c (try_combine): Don't split a parallel consisting
4829 of two sets into two individual sets if both sets reference
4832 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4834 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4835 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4837 * doc/options.texi (VarExists): Updated.
4839 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4841 * unwind-dw2.c: Add declarations for uw_update_context and
4843 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4844 detected, advance frame state and context once to skip over stub.
4846 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4850 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4851 Call rewrite_into_loop_closed_ssa only when something changed.
4852 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4853 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4854 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4855 Test for perfect_nest_p here. Fix formating.
4856 (replace_uses_equiv_to_x_with_y): Fix formating.
4857 (stmt_uses_op): Removed.
4858 (can_convert_to_perfect_nest): Removed loopivs parameter.
4859 Complete the test by checking the scalar dependences.
4860 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4863 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4866 From Dan Kegel <dank@kegel.com>:
4867 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4869 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4871 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4872 if the element type is variably modified without recursing.
4874 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4877 * tree-loop-linear.c (try_interchange_loops): Test for
4878 no data dependences.
4880 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4882 PR tree-optimization/27548
4883 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4884 range of ssa names that appear on abnormal edges.
4885 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4886 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4888 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4891 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4893 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4896 * tree.h (OMP_PARALLEL_COMBINED): Define.
4897 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4898 (new_omp_context): Add is_combined_parallel argument.
4899 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4900 new_omp_context caller.
4901 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4902 Adjust gimplify_scan_omp_clauses callers.
4903 (omp_is_private): Issue errors if iteration variable is firstprivate
4904 or reduction in the current context.
4905 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4906 on combined parallel workshare constructs.
4908 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4910 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4911 (gcc-options.o): New rule.
4913 * optc-gen.awk: Protect variables for gcc-options.o with
4914 #ifdef GCC_DRIVER/#endif.
4916 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4918 Fix PR tree-optimization/27373
4919 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4920 (forward_propagate_addr_expr): Update call.
4922 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4924 * doc/options.texi: Move the Negative option.
4926 2006-05-16 Richard Guenther <rguenther@suse.de>
4928 PR tree-optimization/22303
4929 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4931 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4932 ccp_fold did not simplify the statement.
4934 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4937 * Makefile.in (GCC_OBJS): New.
4938 (OBJS-common): Add opts-common.o.
4939 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4940 (cpp$(exeext)): Likewise.
4941 (gcc.o): Also depend on opts.h.
4942 (opts-common.o): New.
4944 * common.opt (gcoff): Add Negative(gdwarf-2).
4945 (gdwarf-2): Add Negative(gstabs).
4946 (gstabs): Add Negative(gstabs+).
4947 (gstabs+): Add Negative(gvms).
4948 (gvms): Add Negative(gxcoff).
4949 (gxcoff): Add Negative(gxcoff+).
4950 (gxcoff+): Add Negative(gcoff).
4951 * config/i386/i386.opt (m32): Add Negative(m64).
4952 (m64): Add Negative(m32).
4954 * doc/options.texi: Document the Negative option.
4956 * gcc.c: Include "opts.h".
4957 (main): Call prune_options after expandargv.
4959 * optc-gen.awk: Generate common declarations for all flag
4960 variables in options.c. Output the neg_index field.
4962 * opts.c (find_opt): Moved to ...
4963 * opts-common.c: Here. New file.
4965 * opts.h (cl_option): Add a neg_index field.
4967 (prune_options): Likewise.
4969 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4972 * omp-low.c (expand_omp_parallel): Don't assert
4973 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4974 instead search for it.
4977 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4980 2006-05-16 Andreas Schwab <schwab@suse.de>
4982 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4985 2006-05-15 Roger Sayle <roger@eyesopen.com>
4988 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4989 integer constants other than zero are only legitimate on TARGET_64BIT.
4990 <CONST_VECTOR> Only zero vectors are legitimate.
4991 (ix86_cannot_force_const_mem): Integral and vector constants can
4992 always be put in the constant pool.
4994 2006-05-16 DJ Delorie <dj@redhat.com>
4996 * crtstuff.c (__dso_handle): Set section from
4997 TARGET_LBIGCC_SDATA_SECTION if defined.
4998 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4999 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5001 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5004 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5007 2006-05-16 Ben Elliston <bje@au.ibm.com>
5009 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5011 2006-05-15 Per Bothner <per@bothner.com>
5013 * tree.c: (last_annotated_node): Use source_locus typedef.
5014 This permits bootstrapping with --enable-mapped-location.
5016 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5018 PR tree-optimization/26830
5019 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5020 (info_for_ssa_name, current_info_for_ssa_name_age,
5021 blocks_to_update): New variables.
5022 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5023 (clear_ssa_name_info, initialize_flags_in_bb,
5024 mark_block_for_update): New functions.
5025 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5026 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5027 prepare_def_site_for): Use mark_block_for_update.
5028 (mark_def_interesting): Assert that the processed block is marked in
5029 blocks_to_update. Do not take blocks argument.
5030 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5032 (rewrite_update_init_block, rewrite_update_stmt): Only process
5033 blocks with statements to rewrite.
5034 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5035 (update_ssa): Initialize and free blocks_to_update. Do not
5036 clear flags on statements. Do not use blocks bitmap.
5037 * tree.h (SSA_NAME_AUX): Removed.
5038 (struct tree_ssa_name): Removed aux field.
5039 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5041 2006-05-15 Richard Guenther <rguenther@suse.de>
5043 PR tree-optimization/27603
5044 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5045 Do computations in original type.
5047 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5049 * see.c: Code style changes such as redundant paranthesis,
5050 redundant intialization of local variables etc.
5051 (see_main): Declared now as static.
5052 * doc/invoke.texi: Update that -fsee is not enabled by
5055 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5057 * omp-low.c (check_omp_nesting_restrictions): New function.
5058 (scan_omp_1): Call it.
5061 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5062 construct, return *VAR.
5064 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5066 PR rtl-optimization/27406
5067 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5070 2006-05-14 Roger Sayle <roger@eyesopen.com>
5072 PR rtl-optimization/27538
5073 * combine.c (expand_compound_operation): Call gen_lowpart
5074 before calling simplify_shift_const.
5076 2006-05-14 Roger Sayle <roger@eyesopen.com>
5078 PR rtl-optimization/22563
5079 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5080 a fixed width bitfield, always force the intermediates into psuedos.
5082 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5085 * mkconfig.sh: Use operator = instead of == for test.
5087 2006-05-13 Nick Clifton <nickc@redhat.com>
5089 * dwarf2out.c (dbx_reg_number): Check return value from
5090 LEAF_REG_REMAP and only use it if it is valid.
5091 (multiple_reg_loc_descriptor): Likewise.
5093 2006-05-13 Richard Guenther <rguenther@suse.de>
5095 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5098 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5100 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5101 information attached to non-INSNs such as NOTEs.
5102 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5104 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5106 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5108 * config/s390/s390.md: Adjust comment describing On constraint.
5110 2006-05-11 Jan Hubicka <jh@suse.cz>
5112 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5113 to be output at -O0.
5115 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5118 * fold-const.c (size_binop): Move sanity check for arguments to
5119 the beginning of the function.
5122 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5125 2006-05-11 Richard Guenther <rguenther@suse.de>
5128 * fold-const.c (fold_unary): Handle intermediate conversion
5129 to a pointer type like intermediate conversion to an integer
5130 type in folding of (T1)(T2)var to var.
5131 Match the code to the comment in the final conversion for
5132 (T1)(T2)var to (T1)var regarding to type precision. Rather
5133 than disallow T1 being of pointer type, assert that both T1
5134 and var are of pointer type or not. Make sure not to fall
5135 over the frontends lazyness wrt array to pointer decay though.
5137 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5139 * arm.c (arm_struct_value_rtx): Delete.
5140 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5141 (arm_init_cumulative_args): Always initialize nregs to zero.
5143 2006-05-10 Richard Guenther <rguenther@suse.de>
5145 PR tree-optimization/27532
5146 * tree-object-size.c (plus_expr_object_size): Fix typo.
5148 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5151 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5152 ashrdi_const, ashrdi3): Use a scratch register.
5154 2006-05-10 Richard Guenther <rguenther@suse.de>
5156 PR tree-optimization/27302
5157 * fold-const.c (operand_equal_p): For two comparisons,
5158 try comparison of one comparison code swapped if that yields
5161 2006-05-10 Ben Elliston <bje@au.ibm.com>
5163 * tree-pretty-print.c (pretty_print_string): No need to handle
5164 '\0' as a special character.
5166 * tree.h: Include "hashtab.h".
5167 (iterative_hash_expr): Use hashval_t in its prototype.
5168 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5170 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5173 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5174 (hppa*64*-*-hpux11*): Ditto.
5175 (hppa[12]*-*-hpux11*): Ditto.
5177 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5180 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5182 2006-05-09 Michael Matz <matz@suse.de>
5184 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5185 host_extra_gcc_objs and host_xmake_file.
5186 (<*-*-linux*>): Don't overwrite host_xmake_file.
5187 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5188 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5189 (host_detect_local_cpu): Declare.
5190 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5191 * config/i386/i386.c (override_options): Handle -mtune=native
5193 * config/i386/x-i386: New file.
5194 * config/i386/driver-i386.c: New file.
5195 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5198 2006-05-09 Dirk Mueller <dmueller@suse.de>
5199 Richard Guenther <rguenther@suse.de>
5202 * fold-const.c (fold_read_from_constant_string): Relax check
5203 for matching types to matching modes.
5205 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5207 PR rtl-optimization/27335
5208 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5211 2006-05-08 Chao-ying Fu <fu@mips.com>
5212 Richard Sandiford <richard@codesourcery.com>
5214 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5215 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5216 * config/mips/mips.md (UNSPEC_SCC): New constant.
5217 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5218 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5219 (mips_emit_compare): Use it.
5220 (mips_expand_vcondv2sf): New function.
5222 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5224 Fix PR tree-optimization/27093
5225 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5226 renaming when they become not-used_alone.
5228 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5230 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5231 relocation and relocation stubs.
5233 2006-05-08 Eric Christopher <echristo@apple.com>
5235 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5238 2006-05-08 Jan Hubicka <jh@suse.cz>
5241 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5242 unused static functions are needed.
5244 2006-05-08 Roger Sayle <roger@eyesopen.com>
5247 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5248 of a reg_equiv_constant if the result is a legitimate constant.
5250 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5253 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5254 standard 80387 constants, raise the cost to prevent
5255 compress_float_constant() to generate load from memory.
5257 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5259 * config/arm/constraints.md (c): Fix a typo.
5261 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5264 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5267 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5269 (_mm_mwait): Likewise.
5271 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5273 (sse3_monitor): Make it 32bit only.
5274 (sse3_monitor64): New. 64bit monitor.
5276 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5279 * config/i386/i386.c (classify_argument): Skip fields with invalid
5282 2006-05-07 Richard Guenther <rguenther@suse.de>
5284 PR tree-optimization/27409
5285 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5286 Do not try to find zero-sized subvars.
5288 2006-05-07 Richard Guenther <rguenther@suse.de>
5290 PR tree-optimization/27136
5291 * tree-ssa-loop-niter.c (get_val_for): Correct function
5292 comment, assert requirements.
5293 (loop_niter_by_eval): Stop processing if the iterated
5294 value did not simplify.
5296 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5298 * opts.c (flag_see): remove its setting at -O3.
5300 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5302 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5303 * arm/constraints.md: New file.
5304 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5305 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5306 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5307 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5308 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5309 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5310 * arm.md: Include constraints.md.
5311 (thumb_movsi_insn): Use satisfies_constraint_J.
5312 (movhi, movqi): Use satisfies_constraint_I.
5314 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5316 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5317 for atmeg a645 device.
5319 2006-05-06 Richard Guenther <rguenther@suse.de>
5321 PR tree-optimization/27151
5322 * tree-vect-transform.c (vectorizable_condition): Punt on
5323 values that have a different type than the condition.
5325 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5328 * c-parser.c (c_parser_cast_expression): Only insert casts into
5329 hash table if pointer.
5330 * function.c (used_types_insert_helper): Rename from
5332 (used_types_insert): Call used_types_insert_helper.
5333 * function.h (used_types_insert): Accept only one argument.
5335 2006-05-05 David Edelsohn <edesohn@gnu.org>
5337 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5338 scratch with output modifier.
5340 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5343 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5344 with output modifier.
5346 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5349 * config/mips/mips.c (mips_symbolic_address_p): Return true
5350 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5351 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5353 2006-05-04 Richard Guenther <rguenther@suse.de>
5355 PR tree-optimization/14287
5356 PR tree-optimization/14844
5357 PR tree-optimization/19792
5358 PR tree-optimization/21608
5359 PR tree-optimization/27090
5360 * tree-ssa-pre.c (try_combine_conversion): New function.
5361 (compute_avail): After constructing the value-handle
5362 expression, use try_combine_conversion to combine NOP_EXPRs
5363 with previous value-handle expressions and use the result if it
5366 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5368 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5370 2006-05-04 Jan Hubicka <jh@suse.cz>
5373 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5375 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5377 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5378 that this only matches CONST_INTs. All users changed to VOIDmode
5381 * config/bfin/bfin.c: Include "optabs.h".
5382 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5384 (enum bfin_builtins): Add a number of fractional and vector builtins.
5385 (bfin_init_builtins): Likewise.
5386 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5387 (safe_vector_operand, bfin_expand_binop_builtin,
5388 bfin_expand_unop_builtin): New functions.
5389 (bfin_expand_builtin): Handle the new builtins.
5390 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5393 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5396 * Makefile.in (OBJS-common): Add see.o.
5397 (see.o): Add dependencies.
5398 * common.opt (fsee): New flag for the see optimization was added.
5399 * opts.c (flag_see): Initialized.
5400 * passes.c (init_optimization_passes, pass_see): New pass.
5401 * rtl.h (see_main): Declaration as extern.
5402 * timevar.def (TV_SEE): New.
5403 * tree-pass.h (pass_see): Declaration as extern.
5404 * invoke.texi (-fsee): Document.
5405 * recog.c (validate_simplify_insn): New function.
5406 * recog.h (validate_simplify_insn): Declaration as extern.
5407 * df-problems.c (df_chain_dump): Check for NULL.
5409 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5410 Daniel Berlin <dberlin@dberlin.org>
5412 * cfgrtl.c (insert_insn_bb_end_new): New function.
5413 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5415 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5417 * df.h (struct web_entry): Moved from web.c.
5418 (union_defs): Declaration as extern.
5419 (unionfind_root): Likewise.
5420 (unionfind_union): Likewise.
5421 * web.c (struct web_entry): Moved to df.h.
5422 (unionfind_root): Remove static declaration.
5423 (unionfind_union): Likewise.
5424 (union_defs): Likewise and generalize to use callback function.
5425 (web_main): Update arguments for union_defs function call.
5427 2006-05-04 Richard Guenther <rguenther@suse.de>
5429 PR tree-optimization/26447
5430 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5431 produce SSA_NAME copies before the store stmt to avoid
5432 breaking exception handling.
5434 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5437 * gimplify.c (omp_is_private): If var is shared in some outer context,
5438 return false instead of true. Stop searching on parallel context
5441 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5444 * coverage.c: Use get_gcov_unsigned_t() instead of
5445 unsigned_type_node all over.
5447 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5449 PR tree-optimization/27381
5450 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5451 maintain the same immediate_use links.
5452 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5453 node rather than segfaulting.
5455 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5458 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5459 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5460 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5462 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5464 Fix PR tree-optimization/26626
5465 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5467 * tree-ssa-operands.c (access_can_touch_variable): Allow
5468 typecasting through union pointers.
5470 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5473 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5474 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5475 to find if var will be a global variable even in the nested context.
5476 (omp_copy_decl): Only check for global variable at the end, it might
5477 be overridden in outer contexts.
5478 (scan_sharing_clauses): For global variables don't create a field.
5479 (lower_rec_input_clauses): Do nothing for global shared variables.
5480 Emit a barrier at the end of ILIST if there were any decls in both
5481 firstprivate and lastprivate clauses.
5482 (lower_send_clauses): Do nothing for global variables except for
5485 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5487 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5488 of the correct signedness is returned.
5490 2006-05-02 Jeff Law <law@redhat.com>
5492 PR tree-optimization/27364
5493 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5494 multiply expressions.
5496 2006-05-02 Tom Tromey <tromey@redhat.com>
5498 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5500 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5503 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5504 -mthumb -fPIC are used.
5506 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5507 Joshua Kinard <kumba@gentoo.org>
5510 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5511 with 64-bit pointers.
5513 2006-05-02 Paul Brook <paul@codesourcery.com>
5515 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5517 (create_fix_barrier): Check that a suitable barrier location is
5519 (arm_reorg): Include ftmp->address in allowable range of addresses.
5521 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5524 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5527 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5530 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5531 around RESULT_DECL for result passed by reference.
5532 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5533 * omp-low.c (use_pointer_for_field): Don't look at
5534 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5535 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5536 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5537 time or var for passing by reference for
5538 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5539 TREE_ADDRESSABLE variables when passing by reference.
5541 * omp-low.c (dump_omp_region): Fix output formatting.
5544 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5545 (expand_omp_parallel): Likewise.
5546 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5549 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5550 on statement list containing also constructors and destructors.
5551 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5554 * except.c (duplicate_eh_regions): Fix clearing of
5555 cfun->eh->region_array entries.
5557 2006-05-01 DJ Delorie <dj@redhat.com>
5559 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5561 (gcc_cv_objdump): Likewise.
5562 * configure: Regenerated.
5564 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5567 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5568 templates for case 3 and 4.
5570 2006-05-01 DJ Delorie <dj@redhat.com>
5572 * vec.c: Include bconfig.h when appropriate.
5573 * Makefile.in (build/vec.o): Adjust dependencies.
5574 * mkconfig.sh: Make sure config.h isn't used for build machine
5577 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5579 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5581 (mark_phi_for_rewrite): New function.
5582 (insert_phi_nodes_for, mark_use_interesting): Call
5583 mark_phi_for_rewrite.
5584 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5585 (update_ssa): Initialize and free phis_to_rewrite.
5587 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5589 PR rtl-optimization/27291
5590 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5591 folded to a constant.
5593 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5595 PR tree-optimization/27283
5596 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5597 not whole # of iteration descriptions.
5598 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5599 uses abnormal ssa name.
5600 (niter_for_single_dom_exit): Ditto.
5601 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5602 return just the number of iterations.
5604 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5606 PR tree-optimization/27144
5607 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5608 (record_estimate): Only record constant upper bound.
5609 (infer_loop_bounds_from_undefined): Call
5610 compute_estimated_nb_iterations just once.
5611 (proved_non_wrapping_p): Renamed to ...
5612 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5613 (convert_step_widening, scev_probably_wraps_p): Call
5614 n_of_executions_at_most instead of proved_non_wrapping_p.
5615 (substitute_in_loop_info): Do not replace values in bounds.
5616 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5619 2006-05-01 Richard Henderson <rth@redhat.com>
5622 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5623 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5626 2006-05-01 Roger Sayle <roger@eyesopen.com>
5628 * c-typeck.c (parser_build_binary_op): Don't call the function
5629 unsigned_conversion_warning to spot operand/result type overflow.
5630 (build_binary_op): Instead, call convert_and_check instead of
5631 convert to report the problem when the operands are promoted.
5632 * c-common.c (unsigned_conversion_warning): Make static.
5633 * c-common.h (unsigned_conversion_warning): Delete prototype.
5635 2006-05-01 Richard Guenther <rguenther@suse.de>
5637 PR tree-optimization/26726
5638 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5640 (find_interesting_uses_address): ... we work around here
5641 by folding INDIRECT_REFs in the substituted base.
5643 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5645 * omp-low.c (dump_omp_region): Add newlines.
5647 2006-04-30 Roger Sayle <roger@eyesopen.com>
5649 * common.opt (Woverflow): New command line option.
5650 * c-common.c (constant_expression_warning): Check warn_overflow.
5651 (overflow_waring): Pass OPT_Woverflow to warning.
5652 (unsigned_conversion_warning): Likewise.
5653 (convert_and_check): Likewise.
5654 * doc/invoke.texi: Document new command line option.
5656 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5658 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5659 TARGET_NO_FP_IN_TOC for section anchors.
5660 (optimization_options): Enable section anchors for all
5661 non-"Objective" languages.
5663 2006-04-28 Eric Christopher <echristo@apple.com>
5665 * config/darwin-c.c (darwin_ms_struct): Move this
5666 (darwin_set_default_type_attributes): and this...
5667 * config/darwin.c: ... here.
5668 * config/darwin.h (darwin_ms_struct): Declare.
5670 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5674 2006-04-28 Roger Sayle <roger@eyesopen.com>
5677 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5678 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5679 an unsigned HOST_WIDE_INT.
5680 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5682 (really_start_incremental_init): No need to call convert because
5683 bitsize_zero_node is already of type bitsizetype.
5684 (push_init_level): Extract the value of constructor_index as an
5685 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5686 (process_init_element): Likewise.
5688 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5690 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5691 value before passing to make_relative_prefix.
5693 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5696 * builtins.c (expand_builtin_memset): Expand val in original mode.
5698 2006-04-27 Eric Christopher <echristo@apple.com>
5700 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5701 with #ifndef/#endif.
5702 * config/darwin-c.c (darwin_ms_struct): New.
5703 (darwin_pragma_ms_struct): Ditto.
5704 (darwin_set_default_type_attributes): Ditto.
5705 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5706 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5707 Register ms_struct pragma.
5708 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5709 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5710 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5711 darwin_set_default_type_attributes if TARGET_MACHO.
5713 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5715 PR tree-optimization/26854
5716 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5717 * doc/tree-ssa.texi: Update immuse iterator documentation.
5718 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5719 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5720 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5721 first_safe_imm_use, next_safe_imm_use): Remove.
5722 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5723 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5724 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5725 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5726 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5727 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5728 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5729 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5730 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5731 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5732 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5733 (perfect_nestify): Use new iterator.
5734 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5736 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5737 (next_imm_name): New field in struct immediate_use_iterator_d.
5738 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5739 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5740 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5741 * tree-cfg.c (replace_uses_by): Use new iterator.
5742 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5743 * tree-ssa-operands.c (correct_use_link): Remove.
5744 (finalize_ssa_use_ops): No longer call correct_use_link.
5746 2006-04-27 Stuart Hastings <stuart@apple.com>
5748 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5749 * config/t-darwin (crt3.o): Use it.
5750 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5751 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5752 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5753 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5754 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5757 2006-04-27 Roger Sayle <roger@eyesopen.com>
5759 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5760 size, force the intermediate into a new pseudo rather instead of
5761 performing both a bitwise AND and a bitwise IOR in memory.
5763 2006-04-27 Richard Guenther <rguenther@suse.de>
5765 PR rtl-optimization/26685
5766 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5767 this one "max-flow-memory-locations".
5769 2006-04-27 Richard Guenther <rguenther@suse.de>
5771 PR tree-optimization/25148
5772 * tree-vrp.c (compare_values): Remove code dealing with
5773 comparisons against type min/max value. Honour overflow
5774 and negative constants in code dealing with comparisons
5775 of plus and minus expressions.
5776 (value_inside_range): Use fold_binary with LE_EXPR and
5777 GE_EXPR rather than compare_values.
5779 2006-04-27 Dirk Mueller <dmueller@suse.de>
5781 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5784 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5786 * basic-block.h (safe_insert_insn_on_edge): Removed.
5787 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5789 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5790 Paolo Bonzini <bonzini@gnu.org>
5793 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5794 (simplify_and_const_int): Same.
5796 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5798 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5800 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5803 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5804 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5805 cgraph_global_info_ready.
5808 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5811 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5812 either decl or init is error_mark_node.
5815 * tree-flow.h (struct omp_region): Add sched_kind.
5816 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5817 instead of extracting omp for data.
5818 (expand_omp_for): Save extracted sched_kind.
5820 2006-04-25 Roger Sayle <roger@eyesopen.com>
5822 * expmed.c (store_bit_field): Also check whether the bitsize is
5823 valid for the machine's "insv" instruction before moving the
5824 target into a pseudo for use with the insv.
5825 * config/i386/predicates.md (const8_operand): New predicate.
5826 * config/i386/i386.md (extv, extzv, insv): Use the new
5827 const8_operand predicate where appropriate.
5829 2006-04-25 DJ Delorie <dj@redhat.com>
5831 * doc/install.texi (Specific): Clarify that this is not a list of
5832 supported hosts or targets.
5834 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5836 PR rtl-optimization/26725
5837 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5838 block's BB_DIRTY flag.
5840 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5842 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5845 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5846 to print an integer.
5848 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5850 * varasm.c (align_variable): New function.
5851 (get_block_for_decl): Apply align_variable to DECL before
5852 calculating section information.
5853 (assemble_variable): Split out alignment computation.
5855 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5857 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5860 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5862 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5863 MODE_PARTIAL_INT mode.
5864 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5865 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5867 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5868 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5870 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5872 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5874 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5875 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5876 MACFLAG_IH): Likewise.
5877 (movstricthi_1): Renamed from "*movstricthi".
5878 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5879 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5880 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5881 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5882 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5883 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5884 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5885 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5886 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5887 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5888 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5889 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5890 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5891 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5892 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5894 * doc/rtl.texi (ss_ashift): Improve wording.
5896 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5898 * dwarf2out.c (verify_marks_clear): New.
5899 (prune_unused_types): Call verify_marks_clear initially, not
5902 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5904 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5905 * doc/rtl.texi: Document them.
5906 * simplify-rtx.c (simplify_unary_operation,
5907 simplify_binary_operation_1): Don't abort when we see them.
5909 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5912 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5913 * configure.ac: Completely disregard languages that are not
5915 * configure: Regenerated.
5917 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5918 Richard Guenther <rguenther@suse.de>
5920 PR tree-optimization/27236
5921 * tree-inline.c (copy_body_r): Make sure to copy
5922 TREE_THIS_VOLATILE flag.
5924 2006-04-24 Richard Guenther <rguenther@suse.de>
5927 * tree-complex.c (update_parameter_components): Don't handle
5928 unused parameters which have no default def.
5930 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5931 Richard Guenther <rguenther@suse.de>
5933 PR tree-optimization/27218
5934 * tree-inline.c (expand_call_inline): Strip useless type
5935 conversions for the return slot address.
5937 2006-04-24 Richard Guenther <rguenther@suse.de>
5939 * cfgloop.h (struct loops): Remove unused field array. Reorder
5941 (LOOP_PREFETCH): Remove.
5943 2006-04-24 Richard Guenther <rguenther@suse.de>
5945 PR tree-optimization/22525
5946 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5947 variable, adjust types of generated expressions.
5949 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5951 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5952 (tree-vect-patterns.o): Likewise.
5954 (cselib.o): Likewise.
5955 (loop-doloop.o): Likewise.
5956 (regclass.o): Likewise.
5957 (reload1.o): Likewise.
5958 (explow.o): Replace target.h with $(TARGET_H).
5959 (ipa-prop.o): Likewise.
5960 (ipa-cp.o): Likewise.
5961 (ipa-inline.o): Likewise.
5962 (reorg.o): Likewise.
5963 (reg-stack.o): Likewise.
5965 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5967 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5969 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5971 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5973 * configure.ac: Completely disregard languages that are not
5975 * configure: Regenerated.
5978 * c-common.h (c_build_bitfield_integer_type): Declare.
5979 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5980 * c-common.c (c_build_bitfield_integer_type): ... here.
5982 2006-04-23 Roger Sayle <roger@eyesopen.com>
5985 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5986 a SImode SUBREG of a floating point register after no_new_pseudos.
5988 2006-04-23 Roger Sayle <roger@eyesopen.com>
5990 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5991 identify potentially eliminable registers to additionally catch
5992 VIRTUAL_INCOMING_ARGS_REGNUM.
5993 (addsi3): Update the conditions on when to use addsi_small_int.
5995 2006-04-23 Roger Sayle <roger@eyesopen.com>
5998 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5999 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6000 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6002 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6004 * fold-const.c (range_predecessor): Use operand_equal_p
6005 as the predicate for equality.
6006 (range_successor): Likewise.
6008 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6011 * config/soft-fp/op-common.h: Fix a typo.
6013 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6016 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6017 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6019 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6021 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6023 * doc/tm.texi: Fix a typo.
6025 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6027 * dwarf2out.c (struct die_struct): Document that die_sib makes
6028 a circular linked list.
6029 (FOR_EACH_CHILD): New.
6030 (reverse_die_lists): Delete.
6031 (reverse_all_dies): Delete.
6032 (add_dwarf_attr): Correct documentation.
6033 (remove_child_with_prev): New.
6034 (remove_child_TAG): Update for change to die_struct, use
6035 remove_child_with_prev.
6036 (add_child_die): Update for change to die_struct.
6037 (splice_child_die): Use remove_child_with_prev and add_child_die.
6038 (print_die): Use FOR_EACH_CHILD.
6039 (die_checksum): Likewise.
6040 (assign_symbol_names): Likewise.
6041 (output_location_lists): Likewise.
6042 (build_abbrev_table): Likewise.
6043 (calc_die_sizes): Likewise.
6044 (mark_dies): Likewise.
6045 (unmark_dies): Likewise.
6046 (unmark_all_dies): Likewise.
6047 (output_die): Likewise.
6048 (prune_unused_types_mark): Likewise.
6049 (prune_unused_types_walk): Likewise.
6050 (same_die_p): Update for change to die_struct.
6051 (break_out_includes): Likewise.
6052 (prune_unused_types_prune): Likewise.
6053 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6054 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6056 (dwarf2out_finish): Don't call reverse_all_dies.
6058 2006-04-21 Eric Christopher <echristo@apple.com>
6060 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6061 in comments and function names.
6063 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6066 * c-typeck.c (digest_init): Robustify.
6068 * c-typeck.c (pop_init_level): Simplify.
6070 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6072 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6074 2006-04-21 Paul Brook <paul@codesourcery.com>
6076 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6077 hardware floating point.
6079 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6081 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6084 2006-04-21 Nick Clifton <nickc@redhat.com>
6086 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6089 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6092 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6093 C++ lang type in traceback table for Objective-C++.
6095 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6097 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6099 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6101 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6104 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6105 were errors. Remove check for erroneous objects.
6107 2006-04-20 Jeff Law <law@redhat.com>
6109 PR tree-optimization/26854
6110 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6111 checking for zero or one use.
6112 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6113 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6114 * tree-ssa-reassoc.c (negate_value): Similarly.
6115 (reassociate_bb): Similarly.
6117 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6119 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6120 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6121 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6123 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6125 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6126 fp regs if the last fp arg doesn't fit in regs.
6128 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6131 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6132 that the last insn has the REG_INC note.
6134 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6135 Nathan Sidwell <nathan@codesourcery.com>
6138 * stor-layout.c (update_alignment_for_field): Do not align
6140 (place_union_field): Place union field at the start of the union.
6141 (place_field): Move ERROR_MARK check later, and use the current
6142 allocation position to maintain monotonicity.
6144 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6146 * dominance.c: Include timevar.h.
6147 (calculate_dominance_info): Use TV_DOMINANCE.
6148 * timevar.def (TV_DOMINANCE): New timevar.
6149 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6151 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6153 PR rtl-optimization/14261
6154 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6155 move would be an INSV insn.
6156 (noce_process_if_block): Don't optimize if the destination is a
6157 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6159 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6161 * config/s390/s390.md: Add comments with the instructions emitted
6162 by an insn pattern if macros are used.
6164 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6166 PR rtl-optimization/26026
6167 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6168 is a known power of two shifted left a variable amount.
6170 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6172 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6173 to hash table twice when the debug_str section has SECTION_MERGE.
6175 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6177 * config/soft-fp: New directory. From glibc.
6178 * config/soft-fp/t-softfp: New.
6179 * config/soft-fp/README: New.
6180 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6181 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6182 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6183 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6184 * config.gcc: Use rs6000/t-fprules-fpbit or
6185 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6187 * config/rs6000/sfp-machine.h: New. Based on glibc.
6188 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6190 * config/rs6000/t-fprules: Remove fp-bit rules.
6191 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6192 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6193 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6194 (softfp_wrap_start, softfp_wrap_end): New.
6196 2006-04-18 DJ Delorie <dj@redhat.com>
6198 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6200 2006-04-18 Devang Patel <dpatel@apple.com>
6202 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6204 2006-04-18 Nick Clifton <nickc@redhat.com>
6206 * config/sh/t-symbian: Add rule to build sh-c.o
6207 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6208 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6209 (sh_symbian_encode_section_info): Likewise.
6211 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6213 * builtins.c (expand_builtin_strcmp): Cover label definition of
6214 do_libcall with HAVE_cmpstrnsi.
6216 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6218 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6220 * function.h (temp_slot_p): New.
6221 (function): Change the type of x_used_temp_slots to
6222 VEC(temp_slot_p,gc) *.
6224 2006-04-18 Nick Clifton <nickc@redhat.com>
6226 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6227 flag_strength_reduce.
6229 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6231 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6235 Partial revert of revision 112637
6236 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6237 Dale Johannesen <dalej@apple.com>
6240 * regclass.c (struct reg_pref): Update documentation.
6241 (regclass): Set prefclass to NO_REGS if memory is the best option.
6242 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6244 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6246 PR tree-optimization/26821
6247 * tree-ssa-math-opts.c (get_constant_one): New.
6248 (insert_reciprocals): Use it.
6250 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6252 * dwarf2out.c (free_AT): Delete.
6253 (remove_AT): Update string ref counts.
6254 (remove_child_TAG): Don't call free_die.
6256 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6257 or DW_TAG_GNU_EINCL.
6258 (prune_unused_types_walk_attribs): Reset string refcounts.
6259 (prune_unused_types_update_strings): New.
6260 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6261 call free_die. Do call prune_unused_types_update_strings.
6262 (prune_unused_types): Empty debug_str_hash.
6264 2006-04-17 Roger Sayle <roger@eyesopen.com>
6266 * expr.c (expand_assignment): Optimize away no-op moves where the
6267 source and destination are equal and have no side-effects.
6269 2006-04-17 Richard Guenther <rguenther@suse.de>
6272 * reload.c (push_reload): Guard calls to get_secondary_mem
6275 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6277 * alias.c (reg_base_value, old_reg_base_value): Change the
6278 type to VEC(rtx,gc) *.
6279 (REG_BASE_VALUE, find_base_value, record_set,
6280 init_alias_analysis): Use VEC instead of VARRAY.
6282 * alias.c (alias_sets): Change the type to
6283 VEC(alias_set_entry,gc) *.
6284 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6285 VEC instead of VARRAY.
6286 (last_alias_set): Remove.
6288 * cgraph.h (cgraph_edge_p): New.
6289 Update the prototype of cgraph_function_versioning.
6290 * cgraphunit.c (cgraph_copy_node_for_versioning,
6291 cgraph_function_versioning): Use VEC instead of VARRAY.
6292 * ipa-cp.c (ipcp_insert_stage): Likewise.
6294 2006-04-16 Roger Sayle <roger@eyesopen.com>
6297 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6298 "A op B" or "A op C", we may need to convert A to the type of B and C.
6300 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6302 * target.h (struct gcc_target): Add mode_rep_extended.
6303 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6304 (init_num_sign_bit_copies_in_rep): Initialize it using
6306 (truncate_to_mode): Use it.
6307 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6308 * targhooks.h (default_mode_rep_extended): Declare it.
6309 * targhooks.c (default_mode_rep_extended): Define it.
6310 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6311 default_mode_rep_extended.
6312 (TARGET_INITIALIZER): Include it.
6313 * doc/tm.texi (Misc): Document it.
6314 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6315 (mips_truncated_to_mode): New function.
6317 2006-04-16 Roger Sayle <roger@eyesopen.com>
6320 * expr.c (compress_float_constant): Copy the narrow constant into
6321 a new pseudo before extending it to its final width.
6323 2006-04-16 Roger Sayle <roger@eyesopen.com>
6324 Andrew Pinski <pinskia@gcc.gnu.org>
6325 Dale Johannesen <dalej@apple.com>
6328 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6329 special case code to implement V8HImode and V16QImode with SSE2.
6331 2006-04-15 Roger Sayle <roger@eyesopen.com>
6333 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6334 trees are constructed with a suitable tree type.
6336 2006-04-15 Roger Sayle <roger@eyesopen.com>
6338 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6339 (integer_onep): Likewise.
6340 (integer_all_onesp): Likewise.
6341 (integer_pow2p): Likewise.
6342 (integer_nonzerop): Likewise.
6343 (real_zerop): Likewise.
6344 (real_onep): Likewise.
6345 (real_twop): Likewise.
6346 (real_minus_onep): Likewise.
6347 (int_size_in_bytes): Likewise.
6348 (host_integerp): Likewise.
6350 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6352 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6353 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6354 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6356 * tree-ssa-structalias.h (alias_info): Remove num_references.
6358 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6360 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6361 (output_bvb patterns): Likewise.
6362 * pa.c (output_bb): Use 'bb' insn for long branch case.
6363 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6364 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6365 1. Correct length operand for alternatives 1 and 2.
6366 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6367 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6369 2006-04-14 Roger Sayle <roger@eyesopen.com>
6371 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6372 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6373 were accidentally reverted by r112959.
6375 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6378 * except.h (eh_region_outermost): New prototype.
6379 * except.c (eh_region_outermost): New function.
6380 * tree-cfg.c (find_outermost_region_in_block): Use it.
6382 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6384 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6386 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6387 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6388 (init_reload, reload): Use VEC instead of VARRAY.
6389 * reload.h: Update the prototype for
6390 reg_equiv_memory_loc_varray.
6392 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6393 Eric Botcazou <ebotcazou@libertysurf.fr>
6395 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6398 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6401 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6402 to expand fallback builtin function call.
6404 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6407 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6408 and emit libcall here in case the builtin fails.
6409 (expand_builtin_strcmp): Always emit the libcall here on failure.
6411 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6413 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6414 * flow.c (reg_n_info): Change the type to
6415 VEC(reg_info_p,heap) *.
6416 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6418 * regs.h (reg_info_p): New.
6419 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6420 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6421 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6424 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6426 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6428 * params.h (MAX_SCHED_READY_INSNS): New macro.
6429 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6430 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6431 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6432 the ready list for 1 cycle during the first scheduling pass.
6433 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6435 2006-04-13 Richard Henderson <rth@redhat.com>
6438 * gimple-low.c (lower_omp_directive): Remove dead code.
6439 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6440 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6441 * omp-low.c (struct omp_region): Move to tree-flow.h.
6442 (root_omp_region): Export.
6443 (omp_regions, lookup_omp_region): Remove.
6444 (determine_parallel_type): Update for struct omp_region changes.
6445 (dump_omp_region): Dump regions with block numbers.
6446 (new_omp_region): Take type and block instead of stmt; malloc
6448 (free_omp_region_1, free_omp_regions): New.
6449 (expand_parallel_call): Take entry_stmt as argument; update for
6450 changes to omp_region.
6451 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6452 (remove_exit_barriers): New.
6453 (expand_omp_parallel): Update for struct omp_region changes.
6454 (expand_omp_synch): Likewise.
6455 (expand_omp): Likewise.
6456 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6457 (expand_omp_for_static_chunk): Likewise.
6458 (expand_omp_for): Likewise.
6459 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6460 (expand_omp_sections): Similarly, with GOMP_sections_end.
6461 (expand_omp_single): New.
6462 (build_omp_regions_1): Update for OMP_CONTINUE.
6463 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6464 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6465 OMP_SECTIONS_SECTIONS.
6466 (lower_omp_single_simple): Don't emit barrier here.
6467 (lower_omp_single_copy): Likewise.
6468 (lower_omp_single): Fix bindings, and lower to straightline now.
6469 (lower_omp_master, lower_omp_ordered): Likewise.
6470 (lower_omp_critical): Likewise.
6471 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6472 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6473 omp edges, free it afterward.
6474 (make_omp_sections_edges): Remove.
6475 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6476 (move_stmt_r): Handle OMP_CONTINUE.
6477 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6478 statement pointers to basic blocks. Add type member.
6479 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6480 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6481 * tree-inline.c (estimate_num_insns_1): Likewise.
6482 * tree-pretty-print.c (dump_generic_node): Likewise.
6483 * tree-ssa-operands.c (get_expr_operands): Likewise.
6484 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6485 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6486 (OMP_CONTINUE): New.
6487 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6488 (OMP_SECTIONS_SECTIONS): Remove.
6489 (OMP_SECTION_LAST): New.
6490 (OMP_RETURN_NOWAIT): New.
6492 2006-04-13 Roger Sayle <roger@eyesopen.com>
6494 * fold-const.c (native_encode_vector, native_interpret_real):
6495 Correct obvious mistakes in the previous check-in.
6497 2006-04-13 Roger Sayle <roger@eyesopen.com>
6499 * fold-const.c (native_encode_expr): New function to encode
6500 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6501 or VECTOR_CST into a specified buffer.
6502 (native_encode_int): New function.
6503 (native_encode_real): New function.
6504 (native_encode_complex): New function.
6505 (native_encode_vector): New function.
6506 (native_interpret_expr): Inverse of native_encode_expr to convert
6507 a target representation into an INTEGER_CST, REAL_CST etc...
6508 (native_interpret_int): New function.
6509 (native_interpret_real): New function.
6510 (native_interpret_complex): New function.
6511 (native_interpret_vector): New function.
6512 (fold_view_convert_expr): New function to constant fold/evaluate
6513 a VIEW_CONVERT_EXPR of a suitable constant expression.
6514 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6515 Change call of build1 to fold_build1 when constructing a
6518 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6519 Ulrich Weigand <uweigand@de.ibm.com>
6522 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6525 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6528 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6529 optimize to lo_sum for DFmode if !TARGET_FPRS.
6531 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6533 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6534 delete_alias_info, compute_flow_sensitive_aliasing,
6535 group_aliases): Use VEC instead of VARRAY.
6536 * tree-ssa-structalias.c (update_alias_info): Likewise.
6537 * tree-ssa-structalias.h (alias_info): Change the type of
6538 processed_ptrs to VEC(tree,heap) *.
6540 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6543 * config/sh/lib1funcs.h: New file, broken out of:
6544 * config/sh/lib1funcs.asm.
6545 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6547 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6548 * config/sh/lib1funcs-Os-4-200.asm: New file.
6549 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6550 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6551 (EXTRA_MULTILIB_PARTS): Include it.
6552 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6553 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6554 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6555 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6558 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6560 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6561 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6562 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6564 * tree-ssa-live.h: Include vecprim.h.
6565 (tree_partition_associator_d): Change the type of
6566 first_partition to VEC(int,heap) *.
6567 (tpa_first_partition): Use VEC instead of VARRAY.
6569 * Makefile.in (GTFILES): Move functions.h after tree.h.
6570 * function.c (reset_block_changes, record_block_change,
6571 check_block_change, free_block_changes): Use VEC instead of
6573 * function.h (function): Change the type of
6574 ib_boundaries_block to VEC(tree,gc) *.
6575 * tree-inline.c (copy_cfg_body): Initialize
6576 ib_boundaries_block to NULL instead of (varray_type) 0.
6578 2006-04-12 Roger Sayle <roger@eyesopen.com>
6580 * expr.c (emit_group_store): Correct operand order in call to
6581 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6582 a SUBREG_BYTE of zero.
6584 2006-04-12 Richard Guenther <rguenther@suse.de>
6586 * profile.c (compute_branch_probabilities): Remove code
6587 encapsulated in !ir_type (), which are remanents of the
6588 removed RTL profiling code.
6589 * rtl-profile.c: Remove.
6591 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6593 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6594 magic NULL_RTX comment.
6595 (function_arg): Store entire fp arg to mem if any part should go
6597 (rs6000_arg_partial_bytes): Adjust for above change.
6599 2006-04-11 Roger Sayle <roger@eyesopen.com>
6601 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6602 if it hasn't been initialized by dwarf2out_init.
6604 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6606 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6607 symbolic constants in branch patterns.
6609 2006-04-11 Roger Sayle <roger@eyesopen.com>
6611 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6613 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6615 PR rtl-optimization/27073
6616 * gcse.c (try_replace_reg): Revert last change. Continue to search
6617 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6620 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6622 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6623 aggregate types other than record and union types.
6624 (function_arg): Likewise.
6625 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6627 (function_value): In 64-bit mode, return objects that require it
6630 2006-04-11 Roger Sayle <roger@eyesopen.com>
6632 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6634 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6636 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6638 2006-04-03 Jeff Law <law@redhat.com>
6641 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6642 alias information too.
6644 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6646 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6648 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6651 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6652 (premark_used_types_helper): New.
6653 (premark_used_types): New.
6654 (gen_subprogram_die): Call premark_used_types.
6655 (prune_unused_types_walk): Do not prune perennial dies.
6656 * function.c (used_types_insert): New.
6657 * function.h (struct function): Add used_types_hash field.
6658 (used_types_insert): Add prototype.
6659 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6660 * c-parser.c (c_parser_cast_expression): Save casted types in used
6663 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6666 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6667 rs6000_explicit_options.float_gprs.
6669 2006-04-10 Roger Sayle <roger@eyesopen.com>
6671 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6672 from ix86_expand_vector_init_low_nonzero. Take an additional
6673 one_var argument indicating which element is non-zero. Support
6674 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6675 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6676 with one_var instead of ix86_expand_vector_init_low_nonzero.
6678 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6680 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6681 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6682 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6683 build/genextract.o): Depend on vecprim.h.
6684 * cfglayout.c, df-problems.c, function.c, genextract.c,
6685 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6686 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6690 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6692 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6693 Declare VECs of this type.
6694 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6695 (remove_children): Delete.
6696 (add_dwarf_attr): Use VEC routines.
6697 (add_AT_flag): Update for changes to add_dwarf_attr.
6698 (add_AT_int): Likewise.
6699 (add_AT_unsigned): Likewise.
6700 (add_AT_long_long): Likewise.
6701 (add_AT_vec): Likewise.
6702 (add_AT_string): Likewise.
6703 (add_AT_die_ref): Likewise.
6704 (add_AT_fde_ref): Likewise.
6705 (add_AT_loc): Likewise.
6706 (add_AT_loc_list): Likewise.
6707 (add_AT_addr): Likewise.
6708 (add_AT_lbl_id): Likewise.
6709 (add_AT_lineptr): Likewise.
6710 (add_AT_macptr): Likewise.
6711 (add_AT_offset): Likewise.
6712 (add_AT_range_list): Likewise.
6713 (get_AT): Use VEC_iterate.
6714 (remove_AT): Use VEC_ordered_remove.
6715 (free_die): Fold remove_children into here; have it use VEC_iterate.
6716 (print_die): Use VEC_iterate on attrs.
6717 (reverse_die_lists): Don't reverse attr lists.
6718 (die_checksum): Use VEC_iterate on attrs.
6719 (same_die_p): Likewise.
6720 (output_location_lists): Likewise.
6721 (build_abbrev_table): Likewise.
6722 (size_of_die): Likewise.
6723 (unmark_all_dies): Likewise.
6724 (output_abbrev_section): Likewise.
6725 (output_die): Likewise.
6726 (prune_unused_types_walk_attribs): Likewise.
6728 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6730 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6732 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6735 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6737 2006-04-09 Roger Sayle <roger@eyesopen.com>
6739 * expr.c (store_constructor): Don't bother clearing target if
6740 we're about to assign a vector to it using vec_init_optab.
6742 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6744 * tree-ssa-alias.c (lhs_may_store_to): New function.
6745 (recalculate_used_alone): Handle LHS of calls.
6747 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6751 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6752 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6753 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6754 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6755 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6756 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6757 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6758 stubs. Add ".align 8" directives before all ".dword" directives.
6759 (GTHREAD_USE_WEAK): Revise comment.
6760 (TARGET_ATTRIBUTE_WEAK): Define.
6761 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6762 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6763 * stublib.c: New file.
6768 * pa.md (cbranch patterns): Revise arguments used in calls to
6769 output_cbranch, output_bb and output_bvd. Add long branch length
6771 (fbranch patterns): Handle long branches.
6772 (jump): Revise length check. Revise arguments for output_lbranch call.
6773 Add long branch length attributes.
6774 (decrement_and_branch_until_zero): Add long branch length attributes.
6775 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6776 Likewise. Revise arguments for output_parallel_addb and
6777 output_parallel_movb calls.
6778 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6779 output_parallel_movb and output_parallel_addb): Update prototypes.
6780 * pa.c (output_cbranch): Revise arguments. Correct handling of
6781 nullification in long branches.
6782 (output_lbranch): Add new argument to control extraction of delay
6784 (output_bb): Handle long branches.
6785 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6786 output_parallel_addb): Likewise.
6788 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6790 PR rtl-optimization/27073
6791 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6794 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6796 * tree.h (tree_memory_tag): Add old_used_alone.
6797 (SMT_OLD_USED_ALONE): New macro.
6798 * tree-ssa-alias.c (recalculate_used_alone): Stop
6799 marking things for renaming unnecessarily.
6801 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6803 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6804 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6805 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6806 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6807 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6808 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6809 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6810 spelling convensions.
6811 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6812 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6813 typos. Follow spelling conventions.
6815 2006-04-07 DJ Delorie <dj@redhat.com>
6817 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6818 passed on the stack.
6819 (m32c_init_cumulative_args): When a function returns a structure,
6820 always pass the pointer to that return area on the stack.
6821 (m32c_function_arg_advance): Don't increment the parameter number
6822 if we're processing the returned structure pointer.
6823 (pushm_info): Reverse order of registers.
6825 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6827 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6828 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6829 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6830 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6832 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6833 chrec_fold_multiply): Same.
6834 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6835 force_expr_to_var_cost): Same.
6836 * tree-mudflap.c (mf_xform_derefs_1): Same.
6837 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6839 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6841 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6842 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6845 2006-04-07 Jan Hubicka <jh@suse.cz>
6847 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6849 2006-04-07 Richard Guenther <rguenther@suse.de>
6851 PR tree-optimization/26135
6852 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6853 loads for store copy-prop.
6854 (copy_prop_visit_stmt): Likewise.
6856 2006-04-05 Robert Millan <robertmh@gnu.org>
6858 * config/i386/linux.h: Add a comment to mark macros that are
6859 being overriden in config/k*bsd-gnu.h.
6860 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6862 * config/knetbsd-gnu.h: Ditto.
6864 2006-04-06 Jan Hubicka <jh@suse.cz>
6868 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6871 2006-04-06 Mike Stump <mrs@apple.com>
6873 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6874 for HAVE_nonlocal_goto to be consistent.
6875 (expand_builtin_nonlocal_goto): Likewise.
6876 (expand_builtin_strcmp): Use #ifdef instead of #if
6877 for HAVE_cmpstrnsi to be consistent.
6879 2006-04-05 DJ Delorie <dj@redhat.com>
6881 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6884 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6886 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6887 got-relative addressing for anything but SImode.
6889 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6890 even if the calling function doesn't modify them.
6892 2006-04-05 Richard Guenther <rguenther@suse.de>
6894 PR tree-optimization/26919
6895 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6896 to cgraph_estimate_size_after_inlining.
6898 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6900 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6902 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6904 PR tree-optimization/26996
6905 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6906 VECTOR_TYPE variables.
6908 2006-04-05 Richard Guenther <rguenther@suse.de>
6910 PR tree-optimization/26763
6911 * fold-const.c (fold_comparison): Move folding of
6912 PTR + CST CMP PTR + CST ...
6913 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6915 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6917 * doc/install.texi (Prerequisites): Refine some wording on
6918 bootstrapping and ksh.
6919 Move the version numbers of DejaGnu here from the testing section
6920 and fix casing of names.
6921 Fix markup and clarify wording for autogen requirements.
6922 Refer to GCJ instead of just java.
6923 Refer to SVN instead of CVS.
6924 Describe diffutils as useful instead of necessary.
6925 (Downloading the source): Refer to SVN instead of CVS.
6926 Adjust a link to our web site accordingly.
6927 (Configuration): Fix casing of Bison.
6928 (Building): Refer to SVN instead of CVS.
6929 Fix a sentence on the use of Bison and remove duplicate (and
6930 incorrect) version number of Bison requirement.
6931 Remove one redundant list of packages needed for building.
6932 (Specific): Avoid reference to CVS.
6934 2006-04-04 Eric Christopher <echristo@apple.com>
6936 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6937 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6938 (rs6000_handle_struct_attribute): New.
6939 (rs6000_ms_bitfield_layout_p): Ditto.
6941 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6943 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6944 NULL for dso parameter to atexit_common.
6946 2006-04-04 Eric Christopher <echristo@apple.com>
6948 * config/i386/i386.c (machopic_output_stub): Output \t
6949 between instructions and operands.
6951 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6953 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6954 satisfies_constraint_[IL] to explicit tests on value.
6956 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6958 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6959 set_nb_iterations_in_loop): Use build_int_cst instead of
6961 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6962 build_int_cst instead of convert.
6964 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6966 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6967 new value 2 for incoming.
6968 * function.c (expand_function_start): Call struct_value_rtx
6970 * config/sparc/sparc.md: Comment updated_return.
6971 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6972 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6973 struct return if sparc_std_struct_return and incoming is 2.
6974 (print_operand): Do not adjust return if
6975 sparc_std_struct_return.
6977 2006-04-04 Roger Sayle <roger@eyesopen.com>
6979 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6980 convert in the middle-end.
6981 * expr.c (store_expr, store_constructor, get_inner_reference,
6982 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6984 * tree.c (build_range_type): Likewise.
6986 2006-04-04 Tom Tromey <tromey@redhat.com>
6988 * doc/install.texi (Prerequisites): Mention jar.
6990 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6992 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6995 2006-04-04 Matthias Klose <doko@debian.org>
6997 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7001 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7004 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7006 * doc/extend.texi (Function Attributes): Rewrite visibility
7007 attribute documentation.
7008 * doc/invoke.texi (C++ Dialect Options): Rewrite
7009 -fvisibility-inlines-hidden documentation to describe something
7010 entirely different, although in practise compatible.
7011 (Code Gen Options): Warn about system headers in -fvisibility=
7014 * doc/extend.texi (Other Builtins): Document that
7015 __builtin_nan is a compile-time constant only when its argument
7018 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7020 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7021 trying to remove TRUNCATE check if all bits outside the new mode
7022 are identical to the sign bit.
7024 2006-04-03 Jeff Law <law@redhat.com>
7026 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7027 and operand scanning in some common cases.
7029 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7030 Dale Johannesen <dalej@apple.com>
7033 * regclass.c (struct reg_pref): Update documentation.
7034 (regclass): Set prefclass to NO_REGS if memory is the best option.
7035 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7036 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7037 into account. For non-registers, equate an empty preferred
7038 reload class to a `!' in the constraint; move the if clause to
7039 do so after those that reject the insn.
7040 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7042 (find_dummy_reload): Likewise.
7043 * doc/tm.texi (Register Classes): Document what it means
7044 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7045 * config/i386/i386.c (ix86_preferred_reload_class): Force
7046 using SSE registers (and return NO_REGS for floating-point
7047 constants) if math is done with SSE.
7048 (ix86_preferred_output_reload_class): New.
7049 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7050 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7051 * config/i386/i386.md: Remove # register preferences.
7053 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7056 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7057 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7058 the type of nb_iter.
7059 (instantiate_parameters_1): Convert the operands before calling
7060 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7061 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7063 2006-04-02 Roger Sayle <roger@eyesopen.com>
7065 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7066 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7068 * dojump.c (do_jump): Likewise.
7069 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7070 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7071 gimplify_boolean_expr): Likewise.
7072 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7073 * varasm.c (array_size_for_constructor): Likewise.
7074 * tree-object-size.c (compute_object_offset): Likewise.
7076 2006-04-02 Roger Sayle <roger@eyesopen.com>
7079 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7080 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7082 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7084 PR tree-optimization/26939
7085 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7087 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7089 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7090 at_stmt. Convert the type of operands before calling
7091 build_polynomial_chrec.
7092 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7094 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7095 (instantiate_parameters_1): Convert the type of operands before calling
7096 build_polynomial_chrec.
7097 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7098 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7099 reset_evolution_in_loop): Insert asserts to check the types of the
7101 (chrec_type): Moved...
7102 (eq_evolutions_p): Use operand_equal_p.
7103 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7104 the types of the operands.
7105 (chrec_type): ...here.
7106 * tree-data-ref.c (create_data_ref): Convert the operands before
7107 calling chrec_replace_initial_condition.
7108 (same_access_functions, analyze_subscript_affine_affine,
7109 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7110 (compute_subscript_distance, analyze_ziv_subscript,
7111 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7112 analyze_miv_subscript): Convert the operands before calling
7113 chrec_fold_minus or chrec_fold_plus.
7115 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7117 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7118 the dependence_relations vector.
7119 (compute_data_dependences_for_loop): Adjust call to
7120 compute_all_dependences.
7122 2006-04-01 Roger Sayle <roger@eyesopen.com>
7123 Richard Henderson <rth@redhat.com>
7125 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7126 gimple_boolify on the condition before calling gimplify_expr.
7128 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7130 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7131 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7132 the frame size. Update to use the new macros.
7133 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7134 * config/xtensa/ieee754-df.S: Likewise.
7136 2006-03-31 Richard Henderson <rth@redhat.com>
7138 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7139 (make_edges): ... here. Control fallthru creation with a local
7140 variable. Do not play with fake edges.
7141 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7142 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7145 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7147 * dwarf2.h (DW64_CIE_ID): Define.
7148 * dwarf2out.c (DWARF_CIE_ID): Define.
7149 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7150 length header. Use DWARF_CIE_ID.
7151 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7152 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7154 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7156 * config/sh/linux-atomic.asm: New file.
7157 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7159 2006-03-31 DJ Delorie <dj@redhat.com>
7161 * config/m32c/cond.md: Set condition flags properly throughout.
7162 * config/m32c/minmax.md: Likewise.
7163 * config/m32c/prologue.md: Likewise.
7164 * config/m32c/bitops.md: Likewise.
7165 * config/m32c/muldiv.md: Likewise.
7166 * config/m32c/mov.md: Likewise.
7167 * config/m32c/addsub.md: Likewise.
7168 * config/m32c/m32c.md: Likewise.
7169 * config/m32c/jump.md: Likewise.
7170 * config/m32c/shift.md: Likewise.
7172 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7173 conditionally output the pattern for this.
7174 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7175 (m32c_compare_redundant): New.
7176 (m32c_output_compare): New.
7177 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7179 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7180 dest, not src. Allow other 4-byte modes.
7182 2006-03-30 Denis Chertykov <denisc@overta.ru>
7184 * doc/md.texi: Refer to avr/constraints.md instead of
7187 2006-03-30 Roger Sayle <roger@eyesopen.com>
7189 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7190 signed vs. unsigned comparison failures on some hosts.
7192 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7195 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7196 change to FLOAT_REGS.
7198 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7199 (rs6000_override_options): Use it.
7200 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7201 only for -mabi=spe/no-spe and -mabi=altivec.
7203 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7205 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7208 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7210 * Makefile.in: Rename docdir to gcc_docdir.
7212 2006-03-30 Roger Sayle <roger@eyesopen.com>
7215 * expr.c (emit_group_store): Optimize group stores into a pseudo
7216 register by using a paradoxical subreg to initialize the destination
7217 if the first or last member of the group specifies a "low part".
7219 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7222 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7223 * target.h (struct gcc_target.speculate_insn): Change type of the
7224 second parameter to 'int'.
7225 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7226 the second operand of the DEPS_LIST.
7227 (copy_DEPS_LIST_list): Update reference to the second operand of the
7229 * rtl.h (alloc_DEPS_LIST): Update signature.
7230 * sched-int.h (ds_t): Change typedef to 'int'.
7231 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7233 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7235 * haifa-sched.c (try_ready): Change condition to restore
7236 non-speculative pattern of the instruction.
7237 (process_insn_depend_be_in_spec): Code to keep probability of the
7238 speculative dependence non-decreasing.
7240 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7242 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7243 (single_move_for_movmem): ... this. Also change all uses.
7244 (bfin_expand_strmov): Renamed to...
7245 (bfin_expand_movmem): ... this. Also change all uses.
7246 * config/bfin/bfin.md (movstrsi): Renamed to...
7247 (movstrsi): ...this.
7249 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7251 PR tree-optimization/26830
7253 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7254 (copy_prop_visit_stmt): Remove write-only variable ann.
7255 (init_copy_prop): Check variable loop depth here. Do not simulate
7256 memory-tag and virtual operand PHIs except for store copy prop.
7258 2006-03-30 Richard Guenther <rguenther@suse.de>
7260 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7261 variants with double arguments.
7263 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7265 * genpreds.c (write_tm_constrs_h): Delete variable p.
7266 * genconditions.c (write_header): Add tm-constrs.h to included
7268 * genpeep.c (main): Add toplev.h to included headers.
7269 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7270 (build/genpeep.o): Add toplev.h dependency.
7271 * config/rs6000/constraints.md: Add "W" constraint.
7273 2006-03-29 Roger Sayle <roger@eyesopen.com>
7275 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7276 sizes by correctly testing whether the size fits a host integer.
7277 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7278 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7279 SImode range for the default sizetype and bitsizetype.
7281 2006-03-29 Roger Sayle <roger@eyesopen.com>
7283 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7284 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7285 quickly if the argument is already of the correct type.
7286 Call fold_build1 instead of build1. Tidy up blank lines.
7288 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7290 * genemit.c (main): Add tm-constrs.h to included headers.
7291 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7292 * genpeep.c (main): Add tm-constrs.h to included headers.
7293 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7294 (write_tm_constrs_h): this and write complete file.
7295 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7296 (write_insn_preds_c): Add tm-constrs.h to included headers.
7297 (gen_constrs): New variable.
7298 (parse_option): Parse "-c".
7299 (main): Invoke write_tm_constrs_h.
7300 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7301 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7302 (object_out_file): Add tm-constrs.h dependency.
7303 (insn-emit.o): Same.
7304 (insn-output.o): Same.
7305 (insn-peep.o): Same.
7306 (insn-preds.o): Same.
7307 (insn-recog.o): Same.
7308 (tm-constsr.h): New target.
7309 (s-constrs-h): New target.
7311 * config/rs6000/constraints.md: New file.
7312 * config/rs6000/rs6000.c: Include tm-constrs.h.
7313 (num_insn_constant_wide): Convert to satisfies_constraint.
7314 (rs6000_rtx_costs): Convert to satisfies_constraint.
7315 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7316 (CONST_OK_FOR_LETTER_P): Delete.
7317 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7318 (EXTRA_CONSTRAINT): Delete.
7319 (EXTRA_MEMORY_CONSTRAINT): Delete.
7320 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7321 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7322 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7323 satisfies_constraint.
7325 * config/i386/i386.c: Include tm-constrs.h.
7327 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7329 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7330 * tree-data-ref.c (find_data_references_in_loop,
7331 compute_data_dependences_for_loop): Use pointers to VEC.
7332 (analyze_all_data_dependences): Adjust calls.
7333 * tree-data-ref.h (find_data_references_in_loop,
7334 compute_data_dependences_for_loop): Adjust declarations.
7335 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7336 compute_data_dependences_for_loop.
7338 2006-03-29 Paul Brook <paul@codesourcery.com>
7340 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7343 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7345 PR tree-optimization/26859
7346 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7348 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7349 for the step after fold_convert.
7351 2006-03-29 Paul Brook <paul@codesourcery.com>
7353 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7354 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7356 2006-03-29 Paul Brook <paul@codesourcery.com>
7359 * targhooks.c (default_narrow_bitfield): New fuction.
7360 * targhooks.h (default_narrow_bitfield): add prototype.
7361 * target.h (gcc_target): Add narrow_volatile_bitfield.
7362 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7363 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7364 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7365 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7367 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7369 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7371 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7372 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7373 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7374 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7375 (s390_function_arg_float): Allow SDmode and DDmode values to be
7376 passed in floating point registers.
7377 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7378 check with SCALAR_FLOAT_MODE_P.
7379 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7381 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7383 PR tree-optimization/25985
7384 * tree-ssa-loop-niter.c (number_of_iterations_le,
7385 number_of_iterations_ne): Make comments more precise.
7386 (number_of_iterations_cond): Add only_exit argument. Use the
7387 fact that signed variables do not overflow only when only_exit
7389 (loop_only_exit_p): New.
7390 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7391 number_of_iterations_cond.
7393 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7395 PR tree-optimization/26643
7396 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7399 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7401 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7402 (divsi3_i4_int): Likewise.
7404 2006-03-28 Roger Sayle <roger@eyesopen.com>
7406 * expr.c (emit_group_store): Only create a new pseudo reg if the
7407 quantity it needs to hold isn't already a suitable pseudo.
7409 2006-03-28 Jeff Law <law@redhat.com>
7411 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7412 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7414 2006-03-28 Roger Sayle <roger@eyesopen.com>
7416 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7417 the equivalent ~X & Y, and the symmetry related transformations.
7418 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7419 ~X & Y, and symmetry related transforms.
7421 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7423 Revert my 2006-03-27 patches.
7425 2006-03-28 Roger Sayle <roger@eyesopen.com>
7427 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7428 ~(T1)X, when T1 and T2 are integer types of the same precision
7429 and (T2)X isn't an extension.
7431 2006-03-28 Jeff Law <law@redhat.com>
7433 PR tree-optimization/26796
7434 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7435 need EH edge cleanups rather than purging them immediately.
7436 (eliminate_degenerate_phis): Handle queued EH cleanups.
7438 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7440 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7443 2006-03-27 Roger Sayle <roger@eyesopen.com>
7446 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7447 cast BIT_NOT_EXPR operand to the correct type.
7449 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7451 * tree-loop-linear.c: Don't include varray.h.
7452 (gather_interchange_stats, try_interchange_loops,
7453 linear_transform_loops): Use VEC instead of VARRAY.
7454 * lambda-mat.c: Don't include varray.h.
7455 * tree-chrec.c: Same.
7456 * lambda-trans.c: Same.
7457 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7458 VEC instead of VARRAY.
7459 * tree-vectorizer.h: Idem.
7460 * tree-data-ref.c (dump_data_references,
7461 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7462 initialize_data_dependence_relation, finalize_ddr_dependent,
7463 compute_all_dependences, find_data_references_in_loop,
7464 compute_data_dependences_for_loop, analyze_all_data_dependences,
7465 free_dependence_relation, free_dependence_relations,
7466 free_data_refs): Idem.
7467 * tree-data-ref.h (data_reference_p, subscript_p): New.
7468 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7469 VEC instead of VARRAY.
7470 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7471 (find_data_references_in_loop, compute_data_dependences_for_loop,
7472 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7473 dump_data_dependence_relations, free_dependence_relations,
7474 free_data_refs): Adjust declaration.
7475 (lambda_transform_legal_p): Move declaration here...
7476 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7477 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7478 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7479 vect_analyze_data_refs): Use VEC instead of VARRAY.
7480 * lambda.h (lambda_transform_legal_p): ...from here.
7481 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7482 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7483 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7484 tree-chrec.o): Don't depend on VARRAY_H.
7486 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7488 * rtl.def (Copyright): Update date.
7489 (DEPS_LIST): Change type of the second operand to 'int'.
7490 * target.h (Copyright): Update date.
7491 (struct gcc_target.speculate_insn): Change type of the second parameter
7493 * lists.c (Copyright): Update date.
7494 (alloc_DEPS_LIST): Change signature. Update reference to the second
7495 operand of the DEPS_LIST.
7496 (copy_DEPS_LIST_list): Update reference to the second operand of the
7498 * rtl.h (Copyright): Update date.
7499 (alloc_DEPS_LIST): Update signature.
7500 * sched-int.h (Copyright): Update date.
7501 (ds_t): Change typedef to 'int'.
7502 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7504 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7506 * haifa-sched.c (Copyright): Update date.
7507 (try_ready): Change condition to restore non-speculative pattern
7509 (process_insn_depend_be_in_spec): Code to keep probability of the
7510 speculative dependence non-decreasing.
7512 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7514 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7515 shut up the compiler.
7517 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7519 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7520 to use lib prefix for target.
7521 ($(T)libic_invalidate_array_4-200.a): Likewise.
7522 ($(T)libic_invalidate_array_4a.a): Likewise.
7524 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7525 J"orn Rennecke <joern.rennecke@st.com>
7527 * superh.opt: New file.
7528 * sh.c (boardtype, osruntime): Remove.
7529 * superh.h (SUBTARGET_OPTIONS): Remove.
7530 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7532 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7533 arguments with ^ and/or [].
7535 * config.gcc (sh-*-*): Add quoting to account for quirk of
7537 Replace == with = in enable_incomplete_targets test.
7539 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7540 with MASK_LITTLE_ENDIAN.
7542 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7543 * config/sh/sh.opt: Added to some comments.
7544 * config/sh/superh.h: Removed some chaff.
7546 * config/sh/sh.opt: Add m4-[1234]00* options.
7547 * config/sh/sh.c (sh_handle_option): Likewise.
7548 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7549 (ic_invalidate_array_4-100.o): New rule.
7550 ($(T)libic_invalidate_array_4-100.a): Likewise.
7551 (ic_invalidate_array_4-200.o): Likewise.
7552 ($(T)libic_invalidate_array_4-200.a): Likewise.
7553 (ic_invalidate_array_4a.o): Likewise.
7554 ($(T)libic_invalidate_array_4a.a): Likewise.
7555 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7556 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7558 * config/sh/crt1.asm: Merged in profiling code.
7559 * config/sh/superh.h (STARTFILE_SPEC): Override.
7560 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7561 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7562 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7564 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7565 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7566 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7568 * sh.opt (mpretend-cmove): New option.
7569 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7570 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7571 (movsicc): Add TARGET_PRETEND_CMOVE code.
7573 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7575 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7576 s390_class_max_nregs): New function prototypes.
7577 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7578 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7579 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7580 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7582 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7584 * dwarf2out.c (add_location_or_const_value_attribute): Call
7585 tree_add_const_value_attribute if nothing else works.
7586 (reference_to_unused): New.
7587 (rtl_for_decl_init): Use reference_to_unused to decide whether
7588 to output an initializer.
7590 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7593 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7594 peephole removing spe frob_di_df_2.
7596 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7598 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7599 (subscript_dependence_tester_1): Declared.
7600 (print_dir_vectors, print_dist_vectors): New.
7601 (debug_data_dependence_relation): New.
7602 (dump_data_dependence_relation): Print more details.
7603 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7604 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7605 (save_dist_v, save_dir_v, add_outer_distances,
7606 build_classic_dist_vector_1): New.
7607 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7608 Don't test for lambda_vector_lexico_pos.
7609 (same_access_functions, add_multivariate_self_dist,
7610 add_other_self_distances, dir_from_dist): New.
7611 (build_classic_dir_vector): Replace implementation almost identical to
7612 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7614 (subscript_dependence_tester_1): New.
7615 (subscript_dependence_tester): Handle the lexicographically negative
7616 distance vectors by recomputing the dependence relation.
7617 (compute_affine_dependence): Remove parameter loop_nest_depth.
7618 (compute_self_dependence): Don't call compute_subscript_distance.
7619 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7620 Add a parameter for the loop_nest.
7621 (find_loop_nest_1, find_loop_nest): New.
7622 (compute_data_dependences_for_loop): Compute the loop nest, and give
7623 up if the nest is not well formed.
7624 * tree-data-ref.h (loop_p): New.
7625 (struct data_dependence_relation): Replace size_vect field with
7626 loop_nest, a vec of loops.
7627 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7628 (DDR_LOOP_NEST): New.
7629 (print_dir_vectors, print_dist_vectors,
7630 debug_data_dependence_relation): Declared.
7631 (index_in_loop_nest): New.
7632 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7633 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7636 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7638 * simplify-rtx.c (simplify_relational_operation): Call
7639 simplify_relational_operation_1 even if mode is VOIDmode.
7641 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7643 PR tree-optimization/26804
7644 * tree.h (DECL_CALL_CLOBBERED): New macro.
7645 (tree_decl_common): Add call_clobbered_flag.
7646 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7647 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7648 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7649 (mark_non_addressable): Ditto.
7650 * tree-ssa.c (verify_call_clobbered): New function.
7651 (verify_alias_info): Use it.
7652 * tree-pass.h (pass_reset_cc_flags): New prototype.
7653 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7654 (reset_cc_flags): New function.
7655 * passes.c (init_optimization_passes): Call reset_cc_flags after
7656 initializing referenced_vars.
7658 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7659 Roger Sayle <roger@eyesopen.com>
7662 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7663 to 1.0 for non-real operands. Implement A / A optimization for
7666 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7668 * config/i386/i386.c (size_cost): Correct the comment for
7669 cost of storing fp registers.
7670 (i386_cost): Likewise.
7671 (i486_cost): Likewise.
7672 (pentium_cost): Likewise.
7673 (pentiumpro_cost): Likewise.
7674 (k6_cost): Likewise.
7675 (athlon_cost): Likewise.
7676 (k8_cost): Likewise.
7677 (pentium4_cost): Likewise.
7678 (nocona_cost): Likewise.
7679 (generic64_cost): Likewise.
7680 (generic32_cost): Likewise.
7682 2006-03-24 Denis Chertykov <denisc@overta.ru>
7684 * config/avr/avr-protos.h (extra_constraint): Delete.
7685 (extra_constraint_Q): New declaration.
7686 * config/avr/constraints.md: New file.
7687 * config/avr/avr.md: Include it.
7688 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7689 (TMP_REGNO, ZERO_REGNO): Likewise.
7690 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7691 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7692 (extra_constraint): Delete.
7693 (extra_constraint_Q): Test for memory constraint 'Q'.
7694 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7695 (REG_CLASS_FROM_LETTER): Delete.
7696 (CONST_OK_FOR_LETTER_P): Delete.
7697 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7698 (EXTRA_CONSTRAINT): Delete.
7699 (TMP_REGNO): Delete.
7700 (ZERO_REGNO): Delete.
7702 2006-03-24 Jeff Law <law@redhat.com>
7704 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7705 directly. Call mark_new_vars_to_rename slightly earlier.
7707 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7709 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7711 (gen_compile_unit_die): Use new language types for Objective-C and
7713 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7714 DW_LANG_C_plus_plus.
7717 * config/t-darwin (crt3.o): Work around bug 26840.
7718 * config/darwin-crt3.c: Rewrite.
7719 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7721 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7723 * doc/invoke.texi: Document -femit-class-debug-always
7724 * common.opt: Add -femit-class-debug-always.
7726 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7728 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7729 index and base register.
7730 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7731 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7732 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7733 REGNO_OK_FOR_INDEX_P.
7734 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7736 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7737 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7738 REG_OK_FOR_BASE_P): Definitions removed.
7740 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7743 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7744 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7745 set yet or weren't marked as local yet.
7747 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7749 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7752 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7754 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7755 (rs6000_legitimate_small_data_p): Delete.
7756 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7757 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7758 and make static. Add forward declaration. Update uses.
7759 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7760 of offsettable_memref_p.
7761 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7762 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7764 2006-03-24 Jeff Law <law@redhat.com>
7766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7767 around bug in immediate-use iterator.
7769 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7772 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7773 or __LITTLE_ENDIAN__.
7775 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7777 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7778 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7779 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7780 * config/sh/sh.opt (mdiv=): Amend description.
7781 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7782 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7783 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7784 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7785 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7786 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7787 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7788 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7789 TARGET_DIVIDE_CALL_FP.
7791 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7793 * haifa-sched.c (choose_ready): Fix type of the local variable.
7794 Move local variables. Add comment.
7795 (check_reg_live): Change signature. Make callable from debugger.
7796 * sched-int.h (check_reg_live): Update signature.
7797 * sched-ebb.c (check_reg_live): Update parameters.
7798 * sched-rgn.c (check_reg_live): Ditto.
7799 (region_head_or_leaf_p): Check pointer before dereferencing.
7800 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7801 before reload on optimization levels below 1.
7803 2006-03-23 Richard Henderson <rth@redhat.com>
7805 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7809 * config/alpha/predicates.md (local_symbolic_operand): Reject
7812 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7815 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7816 expressions which have overflowed constants.
7818 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7820 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7822 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7824 * cfgloopmanip.c (create_loop_notes): Removed.
7825 * final.c (final_scan_insn): Do not handle loop notes.
7826 * jump.c (squeeze_notes): Ditto.
7827 * cfglayout.c (skip_insns_after_block,
7828 duplicate_insn_chain): Ditto.
7829 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7831 * cfgloop.h (create_loop_notes): Declaration removed.
7833 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7835 * varasm.c (output_constant_pool): Restore fnname and fndecl
7837 (assemble_start_function): Adjust call accordingly.
7838 (assemble_end_function): Likewise.
7840 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7843 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7846 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7848 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7851 * system.h (ICE_EXIT_CODE): New macro.
7852 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7853 (diagnostic_action_after_output): Likewise.
7854 * gcc.c (fatal_ice): New function.
7855 (execute): Use it instead of fatal.
7856 (fancy_abort): Likewise.
7857 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7859 2006-03-22 Jeff Law <law@redhat.com>
7861 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7862 iv_analyze_result returning false.
7864 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7866 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7868 2006-03-22 Richard Henderson <rth@redhat.com>
7871 * except.c (duplicate_eh_regions_0): New.
7872 (duplicate_eh_region_1): Duplicate the children of the node as
7873 well as the node itself. Link them up properly.
7874 (duplicate_eh_region_2): Merge into ...
7875 (duplicate_eh_regions): ... here. Take copy_region argument, and
7876 copy only a sub-tree if asked. Simplify copying and fixup.
7877 (eh_region_outer_p): New.
7878 * except.h (duplicate_eh_regions): Update decl.
7879 (eh_region_outer_p): Declare.
7880 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7881 (lower_omp_master): Likewise.
7882 (lower_omp_ordered): Likewise.
7883 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7884 (move_stmt_r): Use it to remap labels. Handle recursion vs
7885 remap_decls_p properly.
7886 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7887 (find_outermost_region_in_block): New.
7888 (new_label_mapper): New.
7889 (move_sese_region_to_fn): Copy eh information to the new function
7891 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7893 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7896 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7898 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7899 into shared libraries.
7901 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7903 * doc/md.texi: Refer to i386/constraints.md instead of
7905 * config/i386/constraints.md: New file, extracted from...
7906 * config/i386/predicates.md: ...here.
7907 * config/i386/i386.md: Include constraints.md.
7909 2006-03-21 Jason Merrill <jason@redhat.com>
7911 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7914 * expr.c (init_block_move_fn): Force default visibility.
7915 (init_block_clear_fn): Likewise.
7916 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7917 * targhooks.c (default_external_stack_protect_fail): Likewise.
7919 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7921 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7922 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7923 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7924 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7925 (loadgp): Use mips_current_loadgp_style.
7926 (loadgp_noshared): New pattern.
7927 (sibcall_internal): Use MIPS_CALL.
7928 (sibcall_value_internal): Likewise.
7929 (sibcall_value_multiple_internal): Likewise.
7930 (call_internal): Likewise.
7931 (call_value_internal): Likewise.
7932 (call_value_multiple_internal): Likewise.
7933 (call_split): Use MIPS_CALL and add an 'S' constraint.
7934 (call_value_split): Likewise.
7935 (call_value_multiple_split): Likewise.
7936 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7937 (-mshared): New option.
7938 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7939 (mips_current_loadgp_style): Declare.
7940 * config/mips/mips.c (mips_classify_symbol): Avoid using
7941 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7942 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7943 TARGET_ABSOLUTE_ABICALLS.
7944 (override_options): Adjust comments. Improve the warning that is
7945 issued when -mabicalls and -G are used together.
7946 (mips_file_start): Remove comment.
7947 (mips_current_loadgp_style): New function.
7948 (mips_gnu_local_gp): New variable.
7949 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7951 (mips_output_function_prologue): Use mips_current_laodgp_style.
7952 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7953 the cprestore instruction.
7954 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7955 live for TARGET_ABSOLUTE_ABICALLS.
7956 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7957 (ASM_SPEC): Pass down -mshared and -mno-shared.
7958 (MIPS_CALL): New macro.
7959 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7961 * doc/invoke.texi (-mabicalls): Update documentation.
7962 (-mshared): Document.
7964 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7966 * config/ia64/unwind-hpux.c: New file.
7967 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7969 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7972 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7974 2006-03-21 Jeff Law <law@redhat.com>
7976 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7977 type conversions of a VR_VARYING source to a wider type.
7979 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7981 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7982 tm_file on Solaris 10 and later.
7983 (sparc64-*-solaris2*): Likewise.
7984 (sparc-*-solaris2*): Likewise.
7985 * config/sol26.h: Rename to config/sol2-6.h.
7986 * config/sol2-10.h: New file.
7988 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7991 * tree-ssa-pre.c (create_component_ref_by_pieces):
7994 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7997 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7998 return it immediately.
8000 2006-03-21 Michael Matz <matz@suse.de>
8002 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8004 (remove_arc, add_arc): Update num_out_arcs member.
8005 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8007 (cache_presence): New function.
8008 (compare_states_for_equiv): New function.
8009 (state_is_differed): Don't take number of outargs, adjust callers.
8010 Use new invariant for speeding up.
8011 (init_equiv_class): Create initial classes based on sorted
8013 (partition_equiv_class): Don't track out_arcs_num.
8014 (evaluate_equiv_classes): Call cache_presence on all states and
8017 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8019 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8020 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8021 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8022 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8024 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8025 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8026 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8027 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8028 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8030 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8031 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8032 (REGNO_REG_CLASS): ARGP is in PREGS.
8033 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8035 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8036 to deal with those addresses.
8037 * addresses.h: New file.
8038 * caller-save.c: Include "addresses.h".
8039 (init_caller_save): Use new base_reg_class function.
8040 * rtl-factoring.c: Include "addresses.h".
8041 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8042 * recog.c: Include "addresses.h".
8043 (preprocess_constraints): Use new base_reg_class function.
8044 * regrename.c: Include "addresses.h".
8045 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8046 functions. Keep track of a new var INDEX_CODE to compute valid
8048 (replace_oldest_value_addr): Likewise.
8049 (replace_oldest_value_mem): Use base_reg_class.
8050 * reload.c: Include "addresses.h".
8051 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8052 (find_reloads): Use new base_reg_class function.
8053 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8054 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8055 all callers and prototype changed.
8056 * reload1.c: Include "addresses.h".
8057 (maybe_fix_stack_asms): Use base_reg_class.
8058 * regclass.c: Include "addresses.h".
8059 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8060 (init_reg_autoinc): Use new base_reg_class function.
8061 (record_reg_classes): Likewise.
8062 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8063 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8064 Use new args to compute necessary class.
8066 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8067 regrename.o, rtl-factoring.o): Update dependencies.
8068 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8069 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8070 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8071 REG_OK_FOR_INDEX_P): Delete documentation.
8073 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8075 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8076 from V7 to V9 for Solaris 7 and above.
8078 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8080 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8081 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8082 argument pointers may not alias any other storage.
8083 * common.opt: Define option -fargument-noalias-anything.
8084 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8085 alias semantics is specified by flag_argument_noalias > 2.
8087 2006-03-20 Jeff Law <law@redhat.com>
8089 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8090 (pass_phi_only_cprop): Declare.
8091 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8093 * tree-ssa-dom.c (degenerate_phi_result): New function.
8094 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8095 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8096 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8097 (eliminate_degenerate_phis): Likewise.
8098 (pass_phi_only_cprop): New pass descriptor.
8099 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8100 support code. Callers updated.
8101 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8102 (store_copy_prop): Likewise.
8103 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8105 2006-03-20 Jason Merrill <jason@redhat.com>
8108 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8109 (push_visibility, pop_visibility): Likewise.
8110 * c-pragma.h: Declare them.
8112 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8114 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8116 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8117 parameter and use get_ebb_head_tail.
8118 (sh_md_init_global): Adjust uses of find_regmode_weight.
8120 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8122 * function.h (struct function) <x_tail_recursion_reentry>:
8123 Rename to x_stack_check_probe_note.
8124 (tail_recursion_reentry): Rename to stack_check_probe_note.
8125 * function.c: Replace tail_recursion_reentry with
8126 stack_check_probe_note everywhere.
8127 (expand_function_start): Only emit a note for
8128 stack_check_probe_note with -fstack-protect.
8129 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8131 * emit-rtl.c (remove_unnecessary_notes): Remove.
8132 (pass_remove_unnecessary_notes): Remove.
8133 * rtl.h (remove_unnecessary_notes): Remove prototype.
8134 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8135 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8136 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8138 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8141 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8142 (valid_in_set): Handle ARRAY_REF.
8143 Change "if min_variant or VH" to asserts.
8144 (create_component_ref_by_pieces): Handle ARRAY_REF.
8145 (create_expression_by_pieces): Likewise.
8146 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8148 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8150 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8151 is operand of switch, not str[0].
8153 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8155 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8156 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8158 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8160 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8161 end of insn_extra_address_constraint declaration.
8163 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8165 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8166 (no-sum-in-toc): Same.
8167 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8169 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8170 NO_FP_IN_TOC for -fPIC instead of mask.
8172 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8173 (BOOT_LDFLAGS): Delete.
8175 * config/rs6000/t-aix52: Same.
8177 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8178 (stmsi[345678]_power): New.
8180 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8182 * config/ia64/ia64.opt: Add empty line to end of file.
8184 2006-03-17 Richard Guenther <rguenther@suse.de>
8187 * builtins.c (get_pointer_alignment): For component style references
8188 adjust alignment to the component type alignment. Make sure
8189 to adjust alignment for component access of constants.
8191 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8193 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8196 2006-03-17 Paul Brook <paul@codesourcery.com>
8198 * doc/install.texi: Docuemnt --with-mode.
8199 * config.gcc: Add --with-mode for arm*-*-*.
8200 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8202 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8204 * sh.c (max_labelno_before_reorg): New variable.
8205 (sh_reorg): Initialize it.
8206 (find_barrier): Check max_labelno_before_reorg before using
8207 label_to_alignment. Take length of explicit alignment insns
8208 into account. When seeing a UNSPECV_CONST_END, return it.
8210 * sh.c (fixup_mova): Set mode of affected label to QImode.
8211 (untangle_mova): New function.
8212 (find_barrier): Use it. Check mode of label before decrementing
8214 (sh_reorg): Likewise.
8215 Set mode of all insns back to VOIDmode.
8217 * sh.c (MOVA_LABELREF): New macro.
8218 (mova_p, fixup_mova, sh_reorg): Use it.
8219 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8220 ADDR_DIFF_VEC matches mova.
8222 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8224 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8225 with ATTRIBUTE_UNUSED.
8227 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8229 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8230 pointer, instead of assuming it is possible to derive the
8231 correct args size from a call insn.
8233 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8235 * rtl.h (CONST_INT_P): Define.
8236 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8237 instead of GET_CODE(x) == CONST_INT.
8238 (vax_rtx_costs): Likewise.
8239 (vax_output_int_move): Likewise.
8240 (vax_output_int_add): Likewise.
8241 (legitimate_constant_address_p): Likewise.
8242 (index_term_p): Likewise.
8243 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8244 * config/vax/vax.md (and<mode>3): Likewise.
8245 (ashrsi3): Likewise.
8247 (movstricthi): Likewise.
8248 (movstrictqi): Likewise.
8249 (rotrsi3): Likewise.
8250 (five unnamed insns): Likewise.
8252 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8254 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8255 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8256 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8257 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8258 Pass to ASM_OUTPUT_DWARF_OFFSET.
8259 * dwarf2out.c (debug_frame_section): New.
8260 (output_call_frame_info): Use debug_frame_section. Pass it to
8261 dw2_asm_output_offset.
8262 (output_die): Pass appropriate section to dw2_asm_output_offset.
8263 (output_compilation_unit_header): Likewise.
8264 (output_pubnames): Likewise.
8265 (output_aranges): Likewise.
8266 (enum dw_val_class): Break dw_val_class_lbl_offset into
8267 dw_val_class_lineptr and dw_val_class_macptr.
8268 (add_AT_lbl_offset): Delete.
8269 (add_AT_lineptr): New.
8270 (add_AT_macptr): New.
8271 (AT_lbl): Expect a lineptr or macptr.
8272 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8273 (attr_checksum): Likewise.
8274 (same_dw_val_p): Likewise.
8275 (size_of_die): Likewise.
8276 (value_format): Likewise.
8277 (output_die): Likewise.
8278 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8280 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8281 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8282 * config/darwin-protos.h (darwin_file_start): New.
8283 (darwin_asm_output_dwarf_offset): New.
8284 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8285 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8287 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8288 if not EH section; simplify.
8289 (darwin_file_start): New.
8290 (darwin_asm_output_dwarf_offset): New.
8291 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8293 (DEBUG_INFO_SECTION): Likewise.
8294 (DEBUG_ABBREV_SECTION): Likewise.
8295 (DEBUG_ARANGES_SECTION): Likewise.
8296 (DEBUG_MACINFO_SECTION): Likewise.
8297 (DEBUG_LINE_SECTION): Likewise.
8298 (DEBUG_LOC_SECTION): Likewise.
8299 (DEBUG_PUBNAMES_SECTION): Likewise.
8300 (DEBUG_STR_SECTION): Likewise.
8301 (DEBUG_RANGES_SECTION): Likewise.
8302 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8303 (ASM_OUTPUT_DWARF_OFFSET): New.
8305 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8307 * config.gcc (tm_defines): Always add to previous value rather
8310 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8312 * config/mips/predicates.md (splittable_const_int_operand): New,
8313 split from move_operand.
8314 (splittable_symbolic_operand): New.
8315 (move_operand): Add commentary. Use splittable_const_int_operand.
8316 Inline mips_atomic_symbolic_constant_p.
8317 * config/mips/mips.md: Add combine splitters for handling moves
8318 of splittable_const_int_operands and splittable_symbolic_operands.
8319 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8320 (mips_split_symbol): Declare.
8321 (mips_move_integer): Declare.
8322 * config/mips/mips.c (mips_split_p): Make global.
8323 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8324 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8325 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8326 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8327 (mips_offset_within_object_p): Handle block symbols.
8328 (mips_atomic_symbolic_constant_p): Delete.
8329 (mips_cannot_force_const_mem): Return false for constants that
8330 mips_legitimize_move can handle.
8331 (mips_use_blocks_for_constant_p): New function.
8332 (mips_split_symbol): Make global.
8333 (mips_move_integer): Likewise. Add a temporary register argument.
8334 (mips_legitimize_const_move): Use splittable_const_int_operand and
8335 splittable_symbolic_operand.
8336 (mips_use_anchors_for_symbol_p): New function.
8337 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8338 (mips_split_p): Declare.
8340 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8342 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8343 (mips*-*-linux*): Likewise.
8345 2006-03-16 Roger Sayle <roger@eyesopen.com>
8346 Daniel Speyer <dspeyer@wam.umd.edu>
8349 * tree-dump.c (dump_real): New function.
8350 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8351 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8352 (tree-dump.o): Add $(REAL_H) to the dependencies.
8354 2006-03-16 Roger Sayle <roger@eyesopen.com>
8357 * real.c (real_from_string): If the mantissa is zero, don't bother
8358 parsing the exponent as the result should always be zero.
8360 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8362 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8364 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8366 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8367 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8368 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8369 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8370 ia64_sched_finish_global): New static functions to implement
8371 hooks from gcc_target.sched.
8372 (spec_check_no, max_uid, pending_data_specs): New static variables.
8373 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8374 ia64_spec_check_src_p): New static functions.
8375 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8376 (TARGET_SCHED_ADJUST_COST): Removed.
8377 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8378 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8379 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8380 TARGET_SCHED_GEN_CHECK,
8381 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8382 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8383 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8384 Fixed to handle speculation checks.
8385 (rtx_needs_barrier): Fixed to handle speculative loads and
8387 (ia64_variable_issue): Added code to count speculative loads and their
8389 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8391 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8393 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8395 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8396 (ia64_reorg): Reset stops_p to NULL after it is freed.
8397 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8398 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8399 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8401 (data_speculative, control_speculative, check_load): New attributes.
8402 (mov<mode>_advanced, mov<mode>_speculative,
8403 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8404 zero_extend<mode>di2_speculative,
8405 zero_extend<mode>di2_speculative_advanced): New patterns for
8406 data and control speculative loads.
8407 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8409 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8410 New pattern for data and control speculation checks.
8411 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8412 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8413 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8414 Auxiliary definitions for the patterns.
8415 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8416 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8418 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8420 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8421 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8422 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8423 New resource constraints.
8424 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8426 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8427 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8428 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8429 msched-in-control-spec, msched-ldc, msched-control-ldc,
8430 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8431 msched-prefer-non-control-spec-insns,
8432 msched-count-spec-in-critical-path): New flags to tune speculative
8434 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8435 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8436 msched-in-control-spec, msched-ldc, msched-control-ldc,
8437 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8438 msched-prefer-non-control-spec-insns,
8439 msched-count-spec-in-critical-path): Document new flags.
8441 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8443 * target.h (struct spec_info_def): New opaque declaration.
8444 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8445 speculate_insn, needs_block_p, gen_check,
8446 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8447 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8448 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8449 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8450 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8451 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8453 (TARGET_SCHED): Use new macros.
8454 * rtl.h (copy_DEPS_LIST_list): New prototype.
8455 * sched-int.h (struct sched_info): Change signature of new_ready field,
8456 adjust all initializations. New fields: add_remove_insn,
8457 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8458 region_head_or_leaf_p.
8459 (struct spec_info_def): New structure declaration.
8460 (spec_info_t): New typedef.
8461 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8462 recovery_block, orig_pat.
8463 (glat_start, glat_end): New variables declaraions.
8464 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8466 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8467 DETACH_LIFE_INFO, USE_GLAT.
8468 (enum SPEC_SCHED_FLAGS): New enumeration.
8469 (NOTE_NOTE_BB_P): New macro.
8470 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8471 attach_life_info, debug_spec_status, check_reg_live): New functions.
8472 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8473 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8475 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8476 * ddg.c (get_block_head_tail): Adjust all uses.
8477 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8478 (sms_sched_info): Initialize new fields.
8479 (contributes_to_priority): Removed.
8480 * haifa-sched.c (params.h): New include.
8481 (get_block_head_tail): Adjust all uses.
8482 (ISSUE_POINTS): New macro.
8483 (glat_start, glat_end): New global variables.
8484 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8485 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8486 old_last_basic_block, before_recovery, current_sched_info_var,
8487 rgn_n_insns, luid): New static variables.
8488 (insn_cost1): New function. Move logic from insn_cost to here.
8489 (find_insn_reg_weight1): New function. Move logic from
8490 find_insn_reg_weight to here.
8491 (reemit_notes, move_insn, max_issue): Change signature.
8492 (move_insn1): Removed.
8493 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8494 extend_bb): New static functions to support extension of scheduler's
8496 (generate_recovery_code, process_insn_depend_be_in_spec,
8497 begin_speculative_block, add_to_speculative_block,
8498 init_before_recovery, create_recovery_block, create_check_block_twin,
8499 fix_recovery_deps): New static functions to support
8500 generation of recovery code.
8501 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8502 restore_bb_notes, move_block_after_check, move_succs): New static
8503 functions to support ebb scheduling.
8504 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8505 functions to support handling of register live information.
8506 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8507 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8508 add_jump_dependencies): New static functions.
8509 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8510 consistancy checking.
8511 (debug_spec_status): New function to call from debugger.
8512 (priority): Added code to handle speculation checks.
8513 (rank_for_schedule): Added code to distinguish speculative instructions.
8514 (schedule_insn): Added code to handle speculation checks.
8515 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8516 Fixed to handle ebbs.
8517 (move_insn): Added code to handle ebb scheduling.
8518 (max_issue): Added code to use ISSUE_POINTS of instructions.
8519 (choose_ready): Added code to choose between speculative and
8520 non-speculative instructions.
8521 (schedule_block): Added code to handle ebb scheduling and scheduling of
8522 speculative instructions.
8523 (sched_init): Initialize new variables.
8524 (sched_finish): Free new variables. Print statistics.
8525 (try_ready): Added code to handle speculative instructions.
8526 * lists.c (copy_DEPS_LIST_list): New function.
8527 * sched-deps.c (extend_dependency_caches): New function. Move logic
8528 from create_dependency_caches to here.
8529 (get_dep_weak, ds_merge): Make global.
8530 * genattr.c (main): Code to output prototype for
8531 dfa_clear_single_insn_cache.
8532 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8533 (output_dfa_clean_insn_cache_func): Code to output
8534 dfa_clear_single_insn_cache function.
8535 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8537 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8539 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8540 New static variables.
8541 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8542 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8544 (ebb_sched_info): Initialize new fields.
8545 (get_block_head_tail): Adjust all uses.
8546 (compute_jump_reg_dependencies): Fixed to use glat_start.
8547 (schedule_ebb): Code to remove unreachable last block.
8548 (schedule_ebbs): Added code to update register live information.
8549 * sched-rgn.c (region_sched_info): Initialize new fields.
8550 (get_block_head_tail): Adjust all uses.
8551 (last_was_jump): Removed. Adjust users.
8552 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8553 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8554 Implement new hooks.
8555 (check_dead_notes1): New static function.
8556 (struct region): New fields: dont_calc_deps, has_real_ebb.
8557 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8558 (BB_TO_BLOCK): Fixed to handle EBBs.
8559 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8560 (ebb_head): New static variable.
8561 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8562 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8564 (compute_dom_prob_ps): New assertion.
8565 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8566 global_live_at_start.
8567 (init_ready_list): New assertions.
8568 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8569 (new_ready): Add support for BEGIN_CONTROL speculation.
8570 (schedule_insns): Fixed code that updates register live information
8572 (schedule_region): Fixed to handle EBBs.
8573 (init_regions): Use extend_regions and check_dead_notes1.
8574 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8575 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8576 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8577 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8578 TARGET_SCHED_GEN_CHECK,
8579 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8580 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8581 * doc/invoke.texi (max-sched-insn-conflict-delay,
8582 sched-spec-prob-cutoff): Document.
8584 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8586 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8587 inter_tick, queue_index.
8588 (struct sched_info): Change signature of init_ready_list field.
8589 Adjust all initializations.
8590 (RESOLVED_DEPS): New access macro.
8591 (ready_add): Remove prototype.
8592 (try_ready): Add prototype.
8593 * sched-rgn.c (init_ready_list): Use try_ready.
8594 (schedule_region): Initialize
8595 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8596 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8597 (init_ready_list): Use try_ready.
8598 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8599 * lists.c (remove_list_elem): Remove `static'.
8600 (remove_free_INSN_LIST_elem): New function.
8601 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8602 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8603 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8605 (readyp): New variable.
8606 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8607 change_queue_index, resolve_dep): New static functions.
8608 (try_ready): New function. Adjust callers in sched-rgn.c and
8609 sched-ebb.c to use it instead of ready_add.
8610 (clock_var): Move at the begining of file.
8611 (rank_for_schedule): Fix typo.
8612 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8613 (ready_lastpos): Enforce assertion.
8614 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8616 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8617 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8618 (queue_to_ready): Use free_INSN_LIST_list.
8619 (early_queue_to_ready): Fix typo.
8620 (schedule_block): Init readyp. Move init_ready_list call after the
8621 initialization of clock_var. Fix error in rejecting insn by
8622 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8623 that previously corrected INSN_TICKs. Add code for handling
8625 (set_priorities): Fix typo.
8626 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8627 Clarify comment and code that keeps current_sched_info->next_tail
8630 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8632 * sched-rgn.c (extend_rgns): New static function.
8633 (find_rgns): Use it.
8634 (gather_region_statistics, print_region_statistics): New static
8636 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8637 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8640 Andrey Belevantsev <abel@ispras.ru>
8642 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8643 * lists.c (unused_deps_list): New variable.
8644 (free_list): Add assertions to verify the proper distinguishing
8645 between INSN_LISTs and DEPS_LISTs.
8646 (find_list_elem, remove_list_elem, remove_list_node): New static
8648 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8649 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8650 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8651 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8653 (free_INSN_LIST_node): Likewise.
8654 * modulo-sched.c (current_sched_info): Initialize flags field.
8655 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8656 * rtl.def (DEPS_LIST): Define.
8657 * rtl.h: Declare new functions from lists.c.
8658 * sched-deps.c (spec_dependency_cache): New static variable.
8659 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8660 (add_dependence): Change return type to void. Move the logic to ...
8661 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8662 (delete_all_dependences): Add comment about forward_dependency_cache.
8663 Handle spec_dependency_cache. Handle DEPS_LISTs.
8664 (fixup_sched_groups): Clarify the change of priority of output
8665 and anti dependencies.
8666 (sched_analyze_2): Adjust add_dependence calls to create data
8667 speculative dependence.
8668 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8669 Adjust all callers. Handle DEPS_LISTS.
8670 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8671 presence of speculation.
8672 (init_dependency_caches, free_dependency_caches):
8673 Handle spec_dependency_cache.
8674 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8675 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8676 New static functions.
8677 (add_or_update_back_dep, add_or_update_back_forw_dep,
8678 add_back_forw_dep, delete_back_forw_dep): New functions.
8679 * sched-int.h (ds_t, dw_t): New typedefs.
8680 (struct sched_info): Add new field flags.
8681 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8682 Prototype new sched-deps.c functions.
8683 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8684 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8685 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8686 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8687 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8688 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8690 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8692 * sched-rgn.c (current_sched_info): Initialize flags field.
8693 (schedule_insns): Initialize current_sched_info before the sched_init
8695 * sched-ebb.c (current_sched_info): Initialize flags field.
8696 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8697 Call add_or_update_back_dep instead of add_dependence.
8698 Create control speculative dependencies.
8699 (schedule_insns): Initialize current_sched_info before the sched_init
8702 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8704 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8706 (sh_fallback_frame_state): Likewise.
8708 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8710 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8711 Do switch on default_use_cxa_atexit.
8712 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8713 * config/darwin-crt3.o: New.
8714 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8715 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8716 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8718 * config/rs6000/t-darwin: Move crt2.o building to here.
8719 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8720 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8723 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8725 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8726 from '! xxx' to '!xxx' for coding-style conformance.
8727 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8728 (EXTRA_CONSTRAINT): Likewise.
8729 * config/vax/vax.md (four unnamed insns): Likewise.
8731 2006-03-15 Paul Brook <paul@codesourcery.com>
8733 * config/arm/arm.c (minipool_pad): New.
8734 (add_minipool_forward_ref): Include pool alignment padding in address
8736 (push_minipool_fix): Set minipool_pad.
8737 (minipool_pad): Ditto.
8739 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8741 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8742 instead of GET_CODE() == MEM and REG_P() instead of
8744 (print_operand_address): Likewise.
8745 (vax_address_cost): Likewise.
8746 (vax_rtx_costs): Likewise.
8747 (vax_notice_update_cc): Likewise.
8748 (vax_output_int_add): Likewise.
8749 (INDEX_REGISTER_P): Likewise.
8750 (BASE_REGISTER_P): Likewise.
8751 (nonindexed_address_p): Likewise.
8752 (vax_mode_dependent_address_p): Likewise.
8753 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8754 (PRINT_OPERAND): Likewise.
8755 * config/vax/vax.md (ashlsi3): Likewise.
8756 (ashlsi3): Likewise.
8757 (some more unnamed insns): Likewise.
8759 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8761 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8762 iterator-style macro.
8763 (mark_control_dependent_edges_necessary): Update the use of
8764 EXECUTE_IF_CONTROL_DEPENDENT.
8766 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8768 * config/sh/predicates.md (cache_address_operand): Special.
8769 (ua_address_operand): Likewise.
8771 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8773 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8775 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8777 2006-03-15 Andreas Schwab <schwab@suse.de>
8779 * gensupport.c (identify_predicable_attribute): Don't free p_false
8780 when it is still in use.
8782 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8784 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8785 the default setting here.
8787 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8789 * tree-pass.h (pass_cfg): Remove.
8790 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8791 * passes.c (pass_cfg): Don't run it.
8793 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8795 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8796 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8798 (stack_regs_mentioned): Update the uses of
8799 stack_regs_mentioned_data. Don't access the array beyond its
8801 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8802 Don't include gt-reg-stack.h.
8804 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8805 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8807 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8810 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8813 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8815 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8817 2006-03-14 Richard Guenther <rguenther@suse.de>
8819 PR tree-optimization/26672
8820 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8823 2006-03-14 Richard Guenther <rguenther@suse.de>
8825 PR tree-optimization/26667
8826 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8827 node for the callees. Always allow inlining if it will shrink
8830 2006-03-14 Richard Guenther <rguenther@suse.de>
8833 * builtins.c (get_pointer_alignment): Prefer alignment
8834 information from decls over that from types.
8836 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8839 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8841 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8843 * config/rs6000/rs6000.opt (mdlmzb): New option.
8844 (msched-prolog, msched-epilog): Use Var not Mask.
8845 * doc/invoke.texi (-mdlmzb): Document.
8846 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8848 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8849 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8851 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8853 PR rtl-optimization/25739
8854 * bt-load.c (augment_live_range): Free tos pointer.
8856 * gensupport.c (identify_predicable_attribute): Free
8858 * gcov.c (create_file_names): Free name pointer.
8860 2006-03-13 Roger Sayle <roger@eyesopen.com>
8863 * stmt.c (emit_case_nodes): Handle the case where the index is a
8864 CONST_INT, where the comparison mode is specified by the index type.
8866 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8868 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8871 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8873 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8874 (*branch_fp_inverted): Likewise.
8876 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8879 * omp-low.c (expand_omp_for_generic): Mark istart0
8880 and iend0 as addressable.
8882 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8884 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8886 2006-03-13 Jeff Law <law@redhat.com>
8888 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8889 virtual operands are interesting.
8890 (vrp_visit_stmt): Corresponding changes.
8892 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8894 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8896 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8897 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8898 * config/bfin/crti.S: Use it instead of __PIC__.
8899 * config/bfin/crtn.S: Likewise.
8901 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8902 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8904 Lose 'G' modifier for call operand.
8905 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8906 recognize 'G' modifier.
8908 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8911 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8912 * stmt.c (expand_case): Likewise.
8914 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8916 PR rtl-optimization/26254
8917 * loop-invariant.c (seq_insns_valid_p): New function.
8918 (move_invariant_reg): Only emit new code if it is valid.
8920 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8922 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8924 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8925 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8926 (commit_one_edge_insertion): Do not look for loop notes.
8928 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8930 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8931 flag_test_coverage out of loop.
8933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8935 * final.c (shorten_branches): Remove outdated comment, and turn
8936 the if branch that guards it to continue.
8938 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8940 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8941 * cfgloop.h (struct loop): Remove unused fields.
8943 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8945 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8946 (-dL, -fdump-rtl-loop2): Update the dump file names
8948 * doc/invoke.texi: Update dump file names.
8950 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8952 * predict.c (estimate_probability): Remove.
8953 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8954 * basic-block.h (estimate_probability): Remove prototype.
8955 * passes.c (finish_optimization_passes): Dump branch prediction or
8956 profiling heuristics to the .profile tree dump.
8957 (init_optimization_passes): Unqueue pass_branch_prob.
8959 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8961 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8963 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8964 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8966 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8968 * function.h (frame_offset_overflow): Declare.
8969 * function.c (frame_offset_overflow): New function.
8970 (assign_stack_local_1): Call it to detect that the offset overflows.
8971 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8973 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8975 * config/sh/sh.c: Include alloc-pool.h.
8976 (label_ref_list_pool): New alloc pool.
8977 (label_ref_list_t): New type for lists of labels.
8978 (struct pool_node): Make wend a label_ref_list_t.
8979 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8981 (dump_table): Likewise.
8982 (sh_reorg): Set up the alloc pool before using add_constant and
8983 dump_table, and destroy it when finishing.
8985 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8987 * config/mips/mips.c: Remove redundant comment.
8989 2006-03-10 Jason Merrill <jason@redhat.com>
8992 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8993 the target was declared 'register'.
8995 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8997 * genpreds.c (write_insn_constraint_len): Change definition of
8998 insn_constraint_len to return size_t to match the declaration.
9000 2006-03-10 DJ Delorie <dj@redhat.com>
9002 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9004 (m32c_expand_insv): Fix test for an AND mask.
9006 2006-03-10 Richard Guenther <rguenther@suse.de>
9009 * builtins.c (get_pointer_alignment): Handle component
9010 references for field alignment.
9012 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9014 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9015 when building with libgloss.
9016 (sh*elf): Implement --without-fp option.
9017 (sh64-superh-linux*): Don't multilib.
9019 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9021 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9023 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9025 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9026 Set it when one of the replacement functions returned true.
9027 Return TODO_cleanup_cfg if cfgchanged is true.
9028 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9030 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9032 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9033 instead of gen_lowpart.
9035 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9037 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9039 (mips_output_order_conditional_branch): Declare.
9040 * config/mips/mips.h (MIPS_BRANCH): New macro.
9041 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9042 for the comparison. Use gen_condjump.
9043 (mips_output_conditional_branch): Rework interface to take the
9044 asm templates for a direct branch and the inverse of a direct branch.
9045 (mips_output_order_conditional_branch): New function.
9046 (mips_builtin_branch_and_move): New function.
9047 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9048 branch condition. Use gen_single_cc as the condition for
9049 __builtin_mips_upper_* or __builtin_mips_lower_*.
9050 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9051 Use VOIDmode for the branch condition.
9052 * config/mips/predicates.md (order_operator): New predicate.
9053 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9054 (branch_fp): Rename to...
9055 (*branch_fp): ...this. Remove mode from comparison operator.
9056 Use new mips_output_conditional_branch interface.
9057 (branch_fp_inverted): Rename to...
9058 (*branch_fp_inverted): ...this and update as for *branch_fp.
9059 (*branch_zero<mode>): Rename to...
9060 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9061 Use mips_output_order_conditional_branch. Only accept ordered
9063 (*branch_zero<mode>_inverted): Rename to...
9064 (*branch_order<mode>_inverted): ...this and update as for
9065 *branch_order<mode>.
9066 (*branch_equality<mode>): Accept zero as the second operand to
9067 the equality operator. Use the new mips_output_conditional_branch
9069 (*branch_equality<mode>_inverted): Likewise.
9070 (condjump): New expander.
9071 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9073 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9074 (bc1any2t, bc1any2f): Likewise.
9075 (single_cc): New expander.
9076 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9078 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9080 * doc/md.texi: Update documentation of MIPS constraints.
9081 * config/mips/constraints.md: New file.
9082 * config/mips/mips.md: Include it.
9083 * config/mips/mips.c (mips_char_to_class): Delete.
9084 (override_options): Don't initialize mips_char_to_class.
9085 * config/mips/mips.h (mips_char_to_class): Delete.
9086 (REG_CLASS_FROM_LETTER): Delete.
9087 (CONST_OK_FOR_LETTER_P): Delete.
9088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9089 (EXTRA_CONSTRAINT_Y): Delete.
9090 (EXTRA_CONSTRAINT_STR): Delete.
9091 (CONSTRAINT_LEN): Delete.
9092 (EXTRA_MEMORY_CONSTRAINT): Delete.
9094 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9096 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9097 original fn's eh regions.
9099 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9101 * fold-const.c (build_range_check): Make sure to use a valid type to
9102 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9105 (range_predecessor): New static function.
9106 (range_successor): Likewise.
9107 (merge_ranges): Use them to compute predecessors and successors of
9110 2006-03-09 Roger Sayle <roger@eyesopen.com>
9113 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9114 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9116 2006-03-08 DJ Delorie <dj@redhat.com>
9118 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9119 (addpsi3): Expand to include memory operands. Remove
9120 reload-specific splits.
9121 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9122 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9123 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9124 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9125 (shift1_qi, shift1_hi, insv): New.
9126 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9127 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9128 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9130 * config/m32c/m32c-protos.h: Update as needed.
9131 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9132 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9133 Fail for unrecognized R* constraints.
9134 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9135 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9136 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9138 (m32c_init_libfuncs): New.
9139 (m32c_legitimate_address_p): Add debug wrapper.
9140 (m32c_rtx_costs): New.
9141 (m32c_address_cost): New.
9142 (conversions): Add 'B' prefix.
9143 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9144 operands, or word regnames for QI operands. 'B' prints bit
9146 (m32c_expand_setmemhi): New.
9147 (m32c_expand_movmemhi): New.
9148 (m32c_expand_movstr): New.
9149 (m32c_expand_cmpstr): New.
9150 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9151 (m32c_expand_neg_mulpsi3): Handle non-ints.
9152 (m32c_cmp_flg_0): New.
9153 (m32c_expand_movcc): New.
9154 (m32c_expand_insv): New.
9155 (m32c_scc_pattern): New.
9156 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9157 a0/a1 out of SIregs.
9158 (STORE_FLAG_VALUE): New.
9159 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9162 * config/m32c/mov.md: Make constraints more liberal.
9163 (zero_extendqihi2): Optimize r0/r1 case.
9164 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9165 * config/m32c/predicates.md (m32c_any_operand): New.
9166 (m32c_nonimmediate_operand): New.
9167 (m32c_hl_operand): New.
9168 (m32c_r3_operand): New.
9171 (memsym_operand): New.
9172 (memimmed_operand): New.
9173 (a_qi_operand): New.
9174 (m32c_eqne_operator): New.
9175 (m32c_1bit8_operand): New.
9176 (m32c_1bit16_operand): New.
9177 (m32c_1mask8_operand): New.
9178 (m32c_1mask16_operand): New.
9179 * config/m32c/blkmov.md: New file.
9180 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9182 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9184 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9185 unsigned to fix signed/unsigned comparison issue in
9186 DWARF2_FRAME_REG_OUT.
9187 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9188 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9190 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9191 of ptr into the ENABLE_CHECKING section.
9193 2006-03-08 Jeff Law <law@redhat.com>
9195 * tree-vrp.c (infer_value_range): Only count pointer uses
9196 and dereferences if -fdelete-null-pointer-checks is enabled.
9198 * tree-vrp.c (find_assert_locations): Infer value ranges for
9199 single use pointers, but do not create ASSERT_EXPRs for them.
9200 When a non-null range is inferred for a pointer, backwards
9201 propagate that range to other equivalent pointers through the
9204 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9207 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9208 language hook targets.
9209 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9210 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9211 if language hook targets were missing.
9213 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9215 * tree-ssa-opfinalize.h: Removed.
9216 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9218 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9219 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9220 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9221 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9222 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9223 finalize_ssa_v_must_def_ops): New.
9225 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9227 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9230 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9232 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9234 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9235 addresses with offsets; reorganize.
9237 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9238 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9239 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9241 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9244 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9246 2006-03-08 Ben Elliston <bje@au.ibm.com>
9248 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9250 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9253 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9256 2006-03-07 Richard Guenther <rguenther@suse.de>
9258 PR tree-optimization/26587
9259 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9261 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9263 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9265 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9267 * hooks.c (hook_bool_mode_rtx_true): New function.
9268 * hooks.h (hook_bool_mode_rtx_true): Declare.
9269 * toplev.c (compile_file): Call output_shared_constant_pool.
9270 * varasm.c (shared_constant_pool): New variable.
9271 (assemble_start_function, assemble_end_function): Remove arguments
9272 from call to output_constant_pool.
9273 (create_constant_pool): New function, split out from...
9274 (init_varasm_status): ...here.
9275 (force_const_mem): Choose between the shared and per-function constant
9276 pools. Set current_function_uses_const_pool when reusing old entries
9277 as well as when creating new ones.
9278 (mark_constant): Ignore data argument.
9279 (mark_constants): Remove pool argument.
9280 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9281 to decide whether the function uses a constant pool.
9282 (output_constant_pool_contents): New function, split out from...
9283 (output_constant_pool): ...here.
9284 (output_shared_constant_pool): New function.
9285 (init_varasm_once): Initialize shared_constant_pool.
9286 * output.h (output_constant_pool): Delete.
9287 (output_shared_constant_pool): Declare.
9288 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9289 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9291 2006-03-06 Nick Clifton <nickc@redhat.com>
9293 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9294 flag_strength_reduce.
9296 2006-03-06 Ben Elliston <bje@au.ibm.com>
9298 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9299 x86_64-*-linux* configurations.
9301 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9302 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9304 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9306 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9308 * basic-block.h: Remove the extern for
9309 rediscover_loops_after_threading.
9311 * cfgloop.c (cancel_loop): Make it static.
9312 * cfgloop.h: Remove the prototype for cancel_loop.
9314 * flow.c (recompute_reg_usage): Make it static.
9315 * rtl.h: Remove the prototype for recompute_reg_usage.
9317 * function.c (use_return_register): Make it static.
9318 * function.h: Remove the prototype.
9320 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9322 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9324 * recog.h: Remove the prototype for
9325 validate_change_maybe_volatile.
9327 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9329 * rtlanal.c (replace_reg): Remove.
9330 * rtl.h: Remove the prototype for replace_reg.
9332 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9334 * regclass.c (reg_scan_update): Remove.
9335 (reg_scan_mark_refs): Remove the last argument.
9336 * rtl.h: Remove the prototype for reg_scan_update.
9338 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9340 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9341 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9342 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9343 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9344 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9345 loop-invariant.c, omp-low.c, opts.c, passes.c,
9346 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9347 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9348 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9349 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9350 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9351 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9353 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9355 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9356 * dwarf2out.h: Remove the prototype for
9357 dwarf2out_add_library_unit_info.
9359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9361 * tree.c (add_var_to_bind_expr): Remove.
9362 * tree.h: Remove the prototype for add_var_to_bind_expr.
9364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9366 * regclass.c (n_non_fixed_regs): Remove.
9367 (init_reg_sets_1, globalize_reg): Remove all uses of
9369 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9371 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9373 * rtlanal.c (insns_safe_to_move_p): Remove.
9374 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9376 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9378 * expmed.c (expand_mult_add): Remove.
9379 * expr.h: Remove the prototype for expand_mult_add.
9381 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9383 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9384 and REG_SAVED_VAL_EXP constants.
9385 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9386 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9387 Handle regs stored by value.
9388 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9389 (execute_cfa_program): Handle DW_CFA_val_offset,
9390 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9391 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9392 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9393 (uw_install_context_1): Handle target regs stored by value.
9395 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9397 * tree-sra.c (tree_sra): Return todoflags;
9398 (generate_one_element): Set TODO_update_smt_usage if needed.
9399 (pass_sra): Remove TODO_update_smt_usage.
9400 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9402 (tree_ssa_forward_propagate_single_use_vars): Return
9403 TODO_update_smt_usage if we need to update SMT usage.
9404 (pass_forwprop): Remove TODO_update_smt_usage.
9406 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9408 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9409 (correct_use_link): Remove reference to get_stmt_operands.
9410 (update_stmt_operands): Likewise.
9411 (get_modify_expr_operands): New function factored out of
9412 parse_ssa_operands and get_expr_operands.
9413 Try to create V_MUST_DEFs for LHS by default.
9414 (get_expr_operands) <case MODIFY_EXPR>: Call
9415 get_modify_expr_operands.
9416 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9417 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9418 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9419 get_modify_expr_operands.
9421 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9423 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9424 * tree-flow.h: Remove the prototype for
9425 referenced_var_lookup_if_exists.
9427 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9429 PR rtl-optimization/26345
9431 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9433 2006-03-03 Roger Sayle <roger@eyesopen.com>
9435 PR tree-optimization/26524
9436 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9437 fold_convert to create a constant of the appropriate type.
9439 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9441 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9442 SYMBOL_REF_IN_BLOCK_P.
9443 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9444 of SYMBOL_FLAG_IN_BLOCK.
9445 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9446 instead of SYMBOL_REF_IN_BLOCK_P.
9447 * explow.c (use_anchored_address): Likewise.
9448 * rtl.c (rtx_size): Likewise.
9449 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9450 instead of SYMBOL_FLAG_IN_BLOCK.
9451 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9452 SYMBOL_REF_IN_BLOCK_P.
9453 (assemble_variable): Likewise.
9454 (output_constant_def_contents): Likewise.
9455 (output_constant_pool): Likewise.
9456 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9457 instead of SYMBOL_FLAG_IN_BLOCK.
9458 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9459 SYMBOL_REF_IN_BLOCK_P.
9460 (SYMBOL_REF_BLOCK): Likewise.
9461 (SYMBOL_REF_OFFSET): Likewise.
9462 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9463 SYMBOL_REF_IN_BLOCK_P.
9464 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9465 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9466 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9467 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9469 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9471 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9473 2006-03-02 Roger Sayle <roger@eyesopen.com>
9475 * simplify-rtx.c (simplify_unary_operation): When simplifying
9476 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9477 that we perform the right shift in the appropriate mode, and
9478 then extend or truncate the result to requested mode.
9480 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9482 * gengtype.c (main): Handle double_int type.
9483 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9484 * double-int.c: New file.
9485 * double-int.h: New file.
9486 * system.h: Include doubleint.h.
9487 * Makefile.in (SYSTEM_H): Include double-int.h.
9488 (double-int.o): Add.
9490 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9493 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9496 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9498 * tree-vrp.c (remove_range_assertions): Do not update statements
9501 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9503 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9505 * gcse.c (rest_of_handle_gcse): Ditto.
9506 * except.c (gate_handle_eh): Ditto.
9507 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9508 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9510 2006-03-02 Eric Christopher <echristo@apple.com>
9512 * config/i386/i386.c (machopic_output_stub): Add indirection to
9515 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9519 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9521 Sun Niagara specific optimizations.
9522 * config.gcc: Recognize niagara as target.
9523 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9524 (TARGET_CPU_niagara): Define.
9525 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9526 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9527 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9528 (ASM_CPU_SPEC): Likewise.
9529 (PROCESSOR_NIAGARA): New enum entry.
9530 (REGISTER_MOVE_COST): Handle Niagara.
9531 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9532 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9533 (sparc_override_options): Recognize "niagara", set appropriate
9534 default MASK_* values for it, and align functions to 32-bytes
9535 by default just like ULTRASPARC/ULTRASPARC3.
9536 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9537 (sparc64_initialize_trampoline): Likewise.
9538 (sparc_use_sched_lookahead): Use zero for niagara.
9539 (sparc_issue_rate): Use one for niagara.
9540 * config/sparc/niagara.md: New file.
9541 * config/sparc/sparc.md: Include it.
9542 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9543 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9544 when default cpu is niagara.
9545 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9546 (ASM_CPU_SPEC): Likewise.
9547 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9548 when default cpu is niagara.
9549 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9550 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9551 just like v9/ultrasparc/ultrasparc3.
9552 * doc/invoke.texi: Add documentation for "niagara" and improve
9553 existing documentation for ultrasparc variants.
9555 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9557 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9559 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9561 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9562 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9563 and say that only one is needed.
9564 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9565 * target.h (have_switchable_bss_sections): New hook.
9566 * explow.c (use_anchored_address): Check that the symbol is in a block.
9567 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9568 (bss_noswitch_section): New variables.
9569 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9570 (get_noswitch_section): New function.
9571 (get_block_for_section): Allow SECT to be null.
9572 (unlikely_text_section_p): Use SECTION_STYLE.
9573 (bss_initializer_p): New function.
9574 (get_variable_section): Move earlier in file. Take a new argument,
9575 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9576 Return one of the new *_sections in such cases.
9577 (get_block_for_decl): New function, extracting some logic from
9578 use_blocks_for_decl_p.
9579 (change_symbol_section): Remove in favor of...
9580 (change_symbol_block): ...this new function.
9581 (use_blocks_for_decl_p): Remove checks now performed by
9583 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9584 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9585 (emit_local, emit_bss, emit_common): ...these new functions.
9586 Return true if the alignment was honored.
9587 (emit_tls_common): New function.
9588 (asm_emit_uninitialised): Delete.
9589 (assemble_variable_noswitch): New function, split out from...
9590 (assemble_variable): ...here. Don't make decisions about common
9591 variables here. Globalize all public decls that go into non-common
9592 sections. Check whether SYMBOL_REF_BLOCK is null.
9593 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9594 (output_constant_pool): Likewise.
9595 (init_varasm_once): Initialize the new section variables.
9596 (have_global_bss_p): New function.
9597 (categorize_decl_for_section): Use bss_initializer_p.
9598 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9599 (place_block_symbol): Assert that the symbol must be in a block.
9600 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9601 (TARGET_INITIALIZER): Include it.
9602 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9603 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9604 (SECTION_MACH_DEP): Bump by two.
9605 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9606 (unnamed_section): Mention SECTION_UNNAMED in comment.
9607 (named_section): Likewise SECTION_NAMED.
9608 (noswitch_section_callback): New type.
9609 (noswitch_section): New structure.
9610 (section): Add a noswitch_section alternative.
9611 (SECTION_STYLE): New macro.
9612 (tls_comm_section, comm_section, lcomm_section): Declare.
9613 (bss_noswitch_section, have_global_bss_p): Declare.
9614 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9615 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9617 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9618 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9621 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9623 * tree-vrp.c (execute_vrp): Return value.
9624 * regrename.c (rest_of_handle_regrename): Ditto.
9625 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9626 * tree-complex.c (tree_lower_complex): Ditto.
9627 (tree_lower_complex_O0): Ditto.
9628 * tracer.c (rest_of_handle_tracer): Ditto.
9629 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9630 * postreload.c (rest_of_handle_postreload): Ditto.
9631 * tree-tailcall.c (execute_tail_recursion): Ditto.
9632 (execute_tail_calls): Ditto.
9633 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9634 * tree.h (init_function_for_compilation): Ditto.
9635 * ipa-cp.c (ipcp_driver): Ditto.
9636 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9637 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9638 * final.c (compute_alignments): Ditto.
9639 (rest_of_handle_final): Ditto.
9640 (rest_of_handle_shorten_branches): Ditto.
9641 (rest_of_clean_state): Ditto.
9642 * omp-low.c (execute_expand_omp): Ditto.
9643 (execute_lower_omp): Ditto.
9644 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9645 * ipa-reference.c (static_execute): Ditto.
9646 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9647 * reorg.c (rest_of_handle_delay_slots): Ditto.
9648 (rest_of_handle_machine_reorg): Ditto.
9649 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9650 * flow.c (recompute_reg_usage): Ditto.
9651 (rest_of_handle_remove_death_notes): Ditto.
9652 (rest_of_handle_life): Ditto.
9653 (rest_of_handle_flow2): Ditto.
9654 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9655 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9656 (do_ssa_store_ccp): Ditto.
9657 (execute_fold_all_builtins): Ditto.
9658 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9659 * modulo-sched.c (rest_of_handle_sms): Ditto.
9660 * ipa-pure-const.c (static_execute): Ditto.
9661 * cse.c (rest_of_handle_cse): Ditto.
9662 (rest_of_handle_cse2): Ditto.
9663 * web.c (rest_of_handle_web): Ditto.
9664 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9665 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9666 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9667 * tree-nrv.c (tree_nrv): Ditto.
9668 (execute_return_slot_opt): Ditto.
9669 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9670 (create_structure_vars): Ditto.
9671 * loop-init.c (rtl_loop_init): Ditto.
9672 (rtl_loop_done): Ditto.
9673 (rtl_move_loop_invariants): Ditto.
9674 (rtl_unswitch): Ditto.
9675 (rtl_unroll_and_peel_loops): Ditto.
9676 (rtl_doloop): Ditto.
9677 * gimple-low.c (lower_function_body): Ditto.
9678 (mark_used_blocks): Ditto.
9679 * tree-ssa-sink.c (execute_sink_code): Ditto.
9680 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9681 (cgraph_early_inlining): Ditto.
9682 * global.c (rest_of_handle_global_alloc): Ditto.
9683 * jump.c (cleanup_barriers): Ditto.
9684 (purge_line_number_notes): Ditto.
9685 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9686 (rest_of_handle_if_after_reload): Ditto.
9687 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9688 (tree_ssa_loop_im): Ditto.
9689 (tree_ssa_loop_unswitch): Ditto.
9690 (tree_vectorize): Ditto.
9691 (tree_linear_transform): Ditto.
9692 (tree_ssa_loop_ivcanon): Ditto.
9693 (tree_ssa_empty_loop): Ditto.
9694 (tree_ssa_loop_bounds): Ditto.
9695 (tree_complete_unroll): Ditto.
9696 (tree_ssa_loop_prefetch): Ditto.
9697 (tree_ssa_loop_ivopts): Ditto.
9698 (tree_ssa_loop_done): Ditto.
9699 * predict.c (tree_estimate_probability): Ditto.
9700 * recog.c (split_all_insns_noflow): Ditto.
9701 (rest_of_handle_peephole2): Ditto.
9702 (rest_of_handle_split_all_insns): Ditto.
9703 * tree-eh.c (lower_eh_constructs): Ditto.
9704 * regmove.c (rest_of_handle_regmove): Ditto.
9705 (rest_of_handle_stack_adjustments): Ditto.
9706 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9707 * function.c (instantiate_virtual_regs): Ditto.
9708 (init_function_for_compilation): Ditto.
9709 (rest_of_handle_check_leaf_regs): Ditto.
9710 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9711 (rest_of_handle_gcse): Ditto.
9712 * ipa-type-escape.c (type_escape_execute): Ditto.
9713 * alias.c (rest_of_handle_cfg): Ditto.
9714 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9715 * profile.c (rest_of_handle_branch_prob): Ditto.
9716 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9717 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9718 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9719 * tree-dfa.c (find_referenced_vars): Ditto.
9720 * except.c (set_nothrow_function_flags): Ditto.
9721 (convert_to_eh_region_ranges): Ditto.
9722 (rest_of_handle_eh): Ditto.
9723 * emit-rtl.c (unshare_all_rtl): Ditto.
9724 (remove_unnecessary_notes): Ditto.
9725 * except.h (set_nothrow_function_flags): Ditto.
9726 (convert_to_eh_region_ranges): Ditto.
9727 * cfgexpand.c (tree_expand_cfg): Ditto.
9728 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9729 * tree-ssa-pre.c (do_pre): Ditto.
9730 (execute_fre): Ditto.
9731 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9732 (rest_of_handle_jump2): Ditto.
9733 * tree-sra.c (tree_sra): Ditto.
9734 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9735 (execute_mudflap_function_decls): Ditto.
9736 * tree-ssa-copy.c (do_copy_prop): Ditto.
9737 (do_store_copy_prop): Ditto.
9738 * ipa-prop.h (ipcp_driver): Ditto.
9739 * cfglayout.c (insn_locators_initialize): Ditto.
9740 * tree-ssa-forwprop.c
9741 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9742 * cfglayout.h (insn_locators_initialize): Ditto.
9743 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9744 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9745 (execute_late_warn_uninitialized): Ditto.
9746 * rtl.h (cleanup_barriers): Ditto.
9747 (split_all_insns_noflow): Ditto.
9748 (purge_line_number_notes): Ditto.
9749 (unshare_all_rtl): Ditto.
9750 (remove_unnecessary_notes): Ditto.
9751 (recompute_reg_usage): Ditto.
9752 (variable_tracking_main): Ditto.
9753 * integrate.c (emit_initial_value_sets): Ditto.
9754 * integrate.h (emit_initial_value_sets): Ditto.
9755 * tree-optimize.c (execute_free_datastructures): Ditto
9756 (execute_free_cfg_annotations): Ditto.
9757 (execute_fixup_cfg): Ditto.
9758 (execute_cleanup_cfg_pre_ipa): Ditto.
9759 (execute_cleanup_cfg_post_optimizing): Ditto.
9760 (execute_init_datastructures): Ditto.
9761 * tree-object-size.c (compute_object_sizes): Ditto.
9762 * combine.c (rest_of_handle_combine): Ditto.
9763 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9764 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9765 (rest_of_handle_reorder_blocks): Ditto.
9766 (rest_of_handle_partition_blocks): Ditto.
9767 * var-tracking.c (variable_tracking_main): Ditto.
9768 * tree-profile.c (tree_profiling): Ditto.
9769 * tree-vect-generic.c (expand_vector_operations): Ditto.
9770 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9771 * sched-rgn.c (rest_of_handle_sched): Ditto.
9772 (rest_of_handle_sched2): Ditto.
9773 * basic-block.h (free_bb_insn): Ditto.
9774 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9775 * tree-cfg.c (execute_build_cfg): Ditto.
9776 (remove_useless_stmts): Ditto.
9777 (split_critical_edges): Ditto.
9778 (execute_warn_function_return): Ditto.
9779 (execute_warn_function_noreturn): Ditto.
9780 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9781 * cfgrtl.c (free_bb_for_insn): Ditto.
9782 * passes.c (execute_one_pass): Run additional
9783 todos returned by execute function.
9784 * tree-pass.h (struct tree_opt_pass): Make execute
9787 2006-03-02 Richard Guenther <rguenther@suse.de>
9789 * tree-ssa-alias.c (find_used_portions): Consider taking
9790 the address as making the variable not write-only.
9792 2006-03-02 Nick Clifton <nickc@redhat.com>
9794 * config.gcc (default_use_cxa_atexit): Extend the description of
9795 this configure variable. Set its default value to "yes" for
9796 Linux, NetBSD and ELF targets on the assumption that they will
9797 use C libraries with the __cxa_atexit function.
9799 2006-03-02 Ben Elliston <bje@au.ibm.com>
9801 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9802 parameter as unused to suppress a build warning.
9804 2006-03-02 Ben Elliston <bje@au.ibm.com>
9806 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9809 2006-03-01 Roger Sayle <roger@eyesopen.com>
9812 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9813 declared name, the weak reference name, and the typeof name.
9814 (__gthrw): Avoid expanding the declared name suffix.
9815 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9817 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9819 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9821 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9822 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9823 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9824 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9825 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9826 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9827 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9828 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9829 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9830 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9831 (DW_END_default, DW_END_big, DW_END_little): New.
9832 (DW_END_lo_user, DW_END_hi_user): Define.
9833 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9834 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9835 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9838 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9840 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9842 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9844 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9846 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9848 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9849 to 'symbol_mem_tag'.
9851 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9854 2006-03-01 Roger Sayle <roger@eyesopen.com>
9856 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9858 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9861 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9862 MACHO_DYNAMIC_NO_PIC_P.
9863 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9865 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9868 * config/darwin-protos.h (darwin_asm_output_anchor):
9870 * config/darwin-sections.def (cstring_section):
9871 Add SECTION_MERGE to the flags.
9872 (literal4_section): Likewise.
9873 (literal8_section): Likewise.
9874 (objc_selector_refs_section): Likewise.
9875 (objc_cls_refs_section): Likewise.
9876 * config/darwin.c (darwin_asm_output_anchor): New
9878 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9880 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9882 Fix PR tree-optimization/26443
9883 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9884 to todo and PROP_tmt_usage to properties_destroyed.
9885 * tree-ssa-ccp.c (pass_ccp): Ditto.
9886 (pass_store_ccp): Ditto.
9887 * tree-ssa-dom.c (pass_dominator): Ditto.
9889 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9891 * tree-ssa-operands.c: Cleanup whitespace.
9892 (get_asm_expr_operands): Move before first invocation.
9893 (get_indirect_ref_operands): Likewise.
9894 (get_tmr_operands): Likewise.
9895 (get_call_expr_operands): Likewise.
9896 (append_def): Likewise.
9897 (append_use): Likewise.
9898 (append_v_may_def): Likewise.
9899 (append_v_must_def): Likewise.
9900 (add_call_clobber_ops): Likewise.
9901 (add_call_read_ops): Likewise.
9902 (add_stmt_operand): Likewise.
9903 (add_virtual_operand): Likewise.
9904 (build_ssa_operands): Likewise.
9906 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9911 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9912 with a call expr to ...
9913 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9915 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9917 * tree-vrp.c (extract_range_from_assert): Remove special
9918 handling for types with super-types.
9920 2006-03-01 Ben Elliston <bje@au.ibm.com>
9922 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9923 and powerpc64-*-linux* configurations.
9924 * config/t-dfprules: New file.
9926 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9927 Compile dfp-bit.c from the source directory using -DWIDTH and
9928 $DFP_CFLAGS to control the compilation of that file, rather than
9929 generating width-specific versions in the build directory.
9930 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9931 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9933 2006-02-28 Zack Weinberg <zackw@panix.com>
9935 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9938 2006-02-28 Eric Christopher <echristo@apple.com>
9940 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9941 Set up IN_LIBGCC definition of TARGET_64BIT.
9942 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9944 2006-02-28 Roger Sayle <roger@eyesopen.com>
9947 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9948 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9949 cases via the construction of "expr != 0".
9951 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9953 * alias.c (alias_invariant, alias_invariant_size): Remove.
9954 (record_base_value): Remove.
9955 (memrefs_conflict_p): Don't look at alias_invariant.
9956 (end_alias_analysis): Don't free it.
9957 * alias.h (record_base_value): Remove prototype.
9959 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9960 Adam Nemet <anemet@caviumnetworks.com>
9962 * rtl.h (truncated_to_mode): Declare it.
9963 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9964 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9965 (RTL_HOOKS_INITIALIZER): Include it.
9966 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9967 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9968 reg_truncated_to_mode.
9969 * rtlanal.c (truncated_to_mode): Define it.
9970 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9972 2006-02-28 Jeff Law <law@redhat.com>
9974 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9975 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9976 the range allowed by TYPE_PRECISION.
9978 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9980 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9982 PR tree-optimization/26419
9983 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9986 2006-02-27 Zack Weinberg <zackw@panix.com>
9988 * doc/md.texi: Fix typo in previous change.
9990 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9994 2006-02-27 Zack Weinberg <zackw@panix.com>
9996 * rtl.def (define_constraint, define_register_constraint)
9997 (define_memory_constraint, define_address_constraint): New MD forms.
9998 * gensupport.c (process_rtx): Put define_constraint etc on the
10000 * genpreds.c (process_define_predicate): Adjust comment. Validate
10001 the name, and call validate_exp to validate the expression.
10002 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10003 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10004 all callers changed.
10005 (validate_exp, needs_variable, struct constraint_data)
10006 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10007 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10008 (const_dbl_constraints, constraint_max_namelen)
10009 (have_register_constraints, have_memory_constraints)
10010 (have_address_constraints, have_address_constraints)
10011 (have_extra_constraints, have_const_int_constraints)
10012 (have_const_dbl_constraints, mangle, add_constraint)
10013 (process_define_constraint, process_define_register_constraint)
10014 (write_enum_constraint_num, write_lookup_constraint)
10015 (write_insn_constraint_len, write_regclass_for_constraint)
10016 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10017 (write_insn_extra_memory_constraint)
10018 (write_insn_extra_address_constraint)
10019 (write_satisfies_constraint_fns): New.
10020 (write_tm_preds_h): If we have new-style constraint definitions,
10021 prototype the functions generated from them, and define the
10022 old constraint interface (still used by generic code) in terms of
10024 (write_insn_preds_c): If we have new-style constraint definitions,
10025 generate all relevant functions from those definitions.
10026 (main): Handle define_constraint etc.
10027 * genoutput.c (struct constraint_data, indep_constraints)
10028 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10029 (mdep_constraint_len): New data structures and functions, defined
10030 #ifdef USE_MD_CONSTRAINTS.
10031 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10032 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10033 use new logic to validate operand constraints against constraint
10035 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10037 * defaults.h: If none of the old-style constraint macros are
10038 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10039 old-style macros; and poison REG_CLASS_FROM_LETTER,
10040 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10042 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10043 * doc/md.texi: Document new constraint-definition mechanism and the
10044 C interface it provides. Remove references to old mechanism
10045 elsewhere in the document.
10046 (Machine Constraints): Use pathnames relative to gcc directory,
10047 i.e. config/ARCH/FILE. Change i386 section to refer to
10048 config/i386/predicates.md; update that section to match docstrings.
10049 * doc/tm.texi: Move all documentation of the old constraint-
10050 definition macros to their own section, clearly mark as obsolete.
10052 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10053 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10055 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10056 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10057 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10058 constraint strings.
10059 (splits and peepholes): Use satisfies_constraint_*.
10060 * config/i386/i386.c (memory_address_length)
10061 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10063 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10065 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10066 scalar operation to be put back into the loop.
10068 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10071 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10072 (extract_cie_info): Handle S flag in augmentation string.
10073 (execute_cfa_program): If context->signal_frame, execute also
10074 fs->pc == context->ra instructions.
10075 (uw_frame_state_for): If context->signal_frame, don't subtract one
10076 from context->ra to find FDE.
10077 (uw_update_context_1): Set context->signal_frame to
10079 (_Unwind_GetIPInfo): New function.
10080 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10081 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10083 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10084 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10085 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10086 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10087 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10088 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10089 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10090 x86_64_fallback_frame_state): Set fs->signal_frame.
10091 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10092 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10093 (frob_update_context): Likewise. Workaround missing S flag in
10094 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10095 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10096 Remove the psw_addr + 1 hack.
10098 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10100 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10101 with aggregates here.
10102 (find_func_aliases): Remove code for &<aggregate> from here.
10104 2006-02-26 Roger Sayle <roger@eyesopen.com>
10106 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10107 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10108 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10109 as (X & C) ne/eq 0.
10111 2006-02-26 Roger Sayle <roger@eyesopen.com>
10113 PR middle-end/19983
10114 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10116 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10118 * opts.c (decode_options): Do not handle flag_strength_reduce.
10119 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10120 and OPT_fstrength_reduce.
10121 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10122 flag_prefetch_loop_arrays for being nonzero.
10123 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10125 (fprefetch-loop-arrays-rtl): Removed.
10126 (flag_prefetch_loop_arrays): Do not specify the value.
10128 * doc/passes.texi: Update documentation of loop optimizer
10130 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10131 -frerun-loop-opt): Remove.
10133 2006-02-26 Richard Guenther <rguenther@suse.de>
10135 PR tree-optimization/26421
10136 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10137 in function calls that are ADDR_EXPRs as using the whole structure.
10139 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10141 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10142 * tree-pass.h (pass_loop_optimize): Remove.
10143 * passes.c (pass_loop_optimize): Never run it.
10144 * toplev.c (backend_init): Don't call init_loop.
10145 * opts.c (flag_loop_optimize_set): Remove.
10146 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10147 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10148 the old RTL loop optimizer when profiling enabled.
10149 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10150 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10151 pre-headers for the sake of the old RTL loop optimizer.
10152 * Makefile.in: Remove all references to loop.o.
10154 * doc/invoke.texi: Remove all references to -floop-optimize
10155 and -frerun-loop-opt.
10157 2006-02-26 Zack Weinberg <zackw@panix.com>
10159 * doc/md.texi (Machine Constraints): Refer to all files with paths
10160 relative to gcc directory (i.e. config/CPU/file). Add missing
10161 @table @code ... @end table to M32C subsection.
10163 2006-02-26 Roger Sayle <roger@eyesopen.com>
10165 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10167 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10169 2006-02-26 Roger Sayle <roger@eyesopen.com>
10170 James A. Morrison <phython@gcc.gnu.org>
10172 PR middle-end/21137
10173 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10174 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10175 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10176 signedness of the shift operation.
10178 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10180 PR tree-optimization/26359
10181 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10183 2006-02-25 Roger Sayle <roger@eyesopen.com>
10185 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10186 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10187 as X == 0, and some symmetry related transformations.
10188 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10190 2006-02-25 Roger Sayle <roger@eyesopen.com>
10192 PR middle-end/23673
10193 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10194 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10195 symmetry related transformations. Fold (X^C1) == C2 as
10198 2006-02-25 Juergen Weigert <jw@suse.de>
10199 Richard Guenther <rguenther@suse.de>
10201 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10203 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10205 * combine.c (gen_lowpart_or_truncate): Call
10206 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10208 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10210 * doc/invoke.texi: Move -fopenmp description to "Options for
10212 Remove reference to -lgomp.
10214 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10216 * doc/install.texi: Require GNU tar version 1.14.
10218 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10220 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10221 * doc/invoke.texi (C++ Dialect Options): Document
10222 -fno-use-cxa-get-exception-ptr.
10223 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10224 * configure: Regenerate.
10225 * c.opt (fuse-cxa-get-exception-ptr): New.
10226 * c-opts.c (c_common_handle_option): Handle
10227 OPT_fuse_cxa_get_exception_ptr.
10228 * c-common.c (flag_use_cxa_atexit): Update documentation.
10229 (flag_use_cxa_get_exception_ptr): New.
10230 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10231 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10233 (C_COMMON_OVERRIDE_OPTIONS): New.
10235 2006-02-24 Roger Sayle <roger@eyesopen.com>
10237 PR middle-end/24952
10238 * combine.c (try_combine): Explicitly check whether GET_CODE is
10239 a SET or a CLOBBER, instead on checking that it isn't a USE.
10241 2006-02-24 Roger Sayle <roger@eyesopen.com>
10243 * fold-const.c (fold_comparison): New subroutine of fold_binary
10244 containing transformations common to both the equality and
10245 ordering relational operators, factored out of fold_binary.
10246 (fold_binary): Separate out the equality operators (EQ_EXPR
10247 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10248 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10249 transformations common to both.
10250 (fold_div_compare): Fix latent bugs in the previously unreachable
10251 LT_EXPR and GE_EXPR cases.
10253 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10255 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10256 decl libname for clog to __clog on AIX.
10258 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10260 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10263 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10264 output traceback table for thunks. Localise rs6000_stack_info call.
10266 2006-02-23 Roger Sayle <roger@eyesopen.com>
10267 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10269 * gthr-posix.h (__gthrw): Fix typo in comment.
10271 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10273 * doc/cpp.texi (Character sets): Document that we do support
10274 input files to be in any character set.
10276 2006-02-23 Jeff Law <law@redhat.com>
10278 * tree.h (PHI_ARG_NONZERO): Remove.
10279 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10280 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10281 node to the new node.
10283 PR tree-optimization/26425
10284 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10285 min/max, then assume its varying.
10287 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10289 PR rtl-optimization/26316
10290 * rtlanal.c (enum may_trap_p_flags): New.
10291 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10292 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10293 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10294 (may_trap_after_code_motion_p): New function.
10295 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10296 (find_invariant_insn): Use may_trap_after_code_motion_p.
10297 * rtl.h (may_trap_after_code_motion_p): Declare.
10299 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10301 * emit-rtl.c (immed_double_const): Cleanup.
10303 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10305 Fix PR tree-optimization/26376
10306 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10309 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10311 PR middle-end/26412
10312 * gimplify.c (omp_add_variable): Guard variable size decl test with
10313 DECL_SIZE (decl) check.
10315 2006-02-23 Richard Guenther <rguenther@suse.de>
10317 PR middle-end/26439
10318 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10319 like aggregate types.
10321 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10323 * configure.ac: Add --with{,out}-long-double-128 configure option.
10324 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10325 * configure: Rebuilt.
10326 * config.in: Rebuilt.
10327 * doc/install.texi (Options specification): Document
10328 --with-long-double-128.
10330 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10331 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10332 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10333 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10335 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10337 * config/s390/s390.c (override_options): Handle
10338 TARGET_DEFAULT_LONG_DOUBLE_128.
10340 * config/alpha/alpha.c (override_options): Handle
10341 TARGET_DEFAULT_LONG_DOUBLE_128.
10343 * config/sparc/sparc.c (sparc_override_options): Handle
10344 TARGET_DEFAULT_LONG_DOUBLE_128.
10346 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10348 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10349 (real-install-headers-tar, real-install-headers-cpio)
10350 (real-install-headers-cp): New targets.
10352 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10354 * tree.h (variable_section): Delete.
10355 * varasm.c (variable_section): Delete.
10357 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10359 * install.texi: Add notes on install.texi2html.
10360 (Building in parallel): Do not use footnotes.
10362 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10365 * doc/install.texi (Configuration): Document --disable-libgomp.
10367 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10369 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10371 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10373 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10374 (vec_extractv2df_0_sse): New.
10376 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10378 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10379 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10380 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10381 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10382 to the result of the expression.
10383 (def_cfa_1): Adjust.
10384 (frame_pointer_cfa_offset): Rename to...
10385 (frame_pointer_fb_offset): ... this. Adjust all uses.
10386 (convert_cfa_to_loc_list): Rename to...
10387 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10388 Pass it on to build_cfa_loc.
10389 (compute_frame_pointer_to_cfa_displacement): Rename to...
10390 (compute_frame_pointer_to_fb_displacement): ... this. New
10391 offset parameter. Use it in computation.
10392 (gen_subprogram_die): Compute cfa_fb_offset with the new
10393 macro, and use it to compute the fb loc list and the
10396 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10398 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10399 replaced with register_operand.
10400 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10401 non-DREG is expensive.
10402 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10403 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10406 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10408 * doc/install.texi2html: Use set -e.
10410 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10412 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10413 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10414 * doc/invoke.texi (-fshared-data): Delete.
10415 * common.opt (fshared-data): Delete.
10416 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10417 (assemble_static_space): Remove #if 0 code.
10418 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10419 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10420 * config/cris/cris.h: Remove FIXME.
10422 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10424 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10427 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10429 PR middle-end/26379
10430 * combine.c (simplify_shift_const_1): Disable nested shifts
10431 optimization for vector shifts.
10433 2006-02-20 Roger Sayle <roger@eyesopen.com>
10435 PR tree-optimization/26361
10436 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10437 of unsigned integer types.
10439 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10441 * tree-chrec.c (eq_evolutions_p): New.
10442 * tree-chrec.h (eq_evolutions_p): Declared.
10443 * tree-data-ref.c: Fix formatting.
10444 (datadep_stats, dependence_stats): New.
10446 (print_direction_vector): New.
10447 (dump_data_dependence_relation): Use print_direction_vector.
10448 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10449 (compute_subscript_distance): Static.
10450 (initialize_data_dependence_relation): Static. Get the number
10451 of loops surrounding the references from the callers, and initialize
10452 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10453 base_object_differ_p analyzers.
10454 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10455 compute_overlap_steps_for_affine_1_2,
10456 analyze_subscript_affine_affine): Count the classified dependences.
10457 Print a message when a test failed.
10458 (can_use_analyze_subscript_affine_affine): New.
10459 (analyze_siv_subscript): Compute the data dependences on symbolic
10460 scevs that verify can_use_analyze_subscript_affine_affine.
10461 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10462 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10463 Handle symbolic scevs.
10464 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10466 (subscript_dependence_tester): Moved...
10467 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10468 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10469 DDR_SIZE_VECT instead of getting it in parameter.
10470 (subscript_dependence_tester): ... here. Take as a parameter
10471 loop_nest_depth. Call build_classic_dist_vector and
10472 build_classic_dir_vector.
10473 (compute_affine_dependence): Update subscript_dependence_tester
10474 parameters. Update datadep_stats counters. Call
10475 compute_subscript_distance.
10476 (compute_self_dependence): Save the dist and dir vectors. Call
10477 compute_subscript_distance.
10478 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10479 (compute_all_dependences): Reorder parameters as they were before
10480 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10481 compute_subscript_distance. Update the use of
10482 compute_affine_dependence and initialize_data_dependence_relation.
10483 (find_data_references_in_loop): Handle COMPONENT_REF.
10484 (compute_data_dependences_for_loop): Initialize dependence_stats.
10485 Don't call build_classic_dist_vector and build_classic_dir_vector.
10486 Update the parameters of initialize_data_dependence_relation and
10487 compute_all_dependences. Print the statistics from datadep_stats.
10488 (analyze_all_data_dependences): Static. Not used until the pass for
10489 checking the data dependences is contributed.
10490 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10491 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10492 (initialize_data_dependence_relation, compute_affine_dependence,
10493 analyze_all_data_dependences, compute_subscript_distance): Removed.
10494 (print_direction_vector): New.
10495 * lambda.h (gcd): ... here.
10496 (lambda_vector_gcd): Moved here from gcd_vector.
10497 * lambda-code.c (gcd, gcd_vector): Removed.
10498 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10499 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10501 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10503 * ipa-type-escape.c: Tidy some comments and white space.
10504 * tree-ssa-operands.c: Likewise.
10506 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10509 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10510 (dump_decl_name): Do not walk the decl tree chains.
10511 * tree-pass.h (TDF_CHAIN): Remove.
10513 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10515 * Makefile.in (C): Remove
10517 (.PHONY): Remove C and PROTO
10519 2006-02-20 Roger Sayle <roger@eyesopen.com>
10521 PR middle-end/26236
10522 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10523 deprecated CHAR_TYPE tree code.
10525 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10527 * configure.ac (target_list): Add install-info, dvi, html.
10528 * configure: Regenerate.
10530 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10531 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10532 treelang/Make-lang.in: Do not use double-colon rules.
10534 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10536 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10537 (TMT_USED_ALONE): New macro.
10538 * tree-pass.h (PROP_tmt_usage): New property.
10539 (TODO_update_tmt_usage): New todo.
10540 * tree-ssa-alias.c (updating_used_alone): New variable.
10541 (recalculate_used_alone): New function.
10542 (compute_may_aliases): Set updating_used_alone, call
10543 recalculate_used_alone.
10544 * tree-sra.c (pass_sra): Note that this pass destroys
10545 PROP_tmt_usage, and add TODO_update_tmt_usage.
10546 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10547 * tree-flow.h (updating_used_alone): Prototype.
10548 (recalculate_used_alone): Ditto.
10549 * passes.c (execute_todo): Add code to set updating_used_alone,
10550 and call recalculate.
10551 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10552 for clobber if used alone, and add assert to verify used_alone
10555 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10557 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10558 for non tls symbols added.
10559 (legitimize_address): Do nothing for PLUS expressions if one of the
10560 addends is a tls symbol reference.
10562 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10566 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10568 * Makefile.in (BOOTSTRAPPING): New.
10569 (quickstrap): New definition if BOOTSTRAPPING=yes.
10571 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10572 * configure.ac: Substitute all_selected_languages with the languages
10573 that were configured. For all the other variables except
10574 lang_specs_files, include all the languages in the tree.
10575 * configure: Regenerate.
10577 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10578 if there is one. Run the commands to run fixincludes in the same
10581 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10582 * doc/install.texi: Document exact conventions for searching target tools.
10583 Document --with-build-time-tools. Document toplevel bootstrap. Document
10584 something more about building an Ada cross-compiler. Don't list GNU Make
10585 requirements which affect all platforms.
10587 2006-02-19 Roger Sayle <roger@eyesopen.com>
10589 PR middle-end/19543
10590 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10591 only equivalent if the have both the same mode and precision.
10593 2006-02-20 Ben Elliston <bje@au.ibm.com>
10595 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10597 2006-02-19 Roger Sayle <roger@eyesopen.com>
10598 Steven Bosscher <stevenb.gcc@gmail.com>
10600 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10601 constant pool references to identify stack mode constants.
10602 * rtlanal.c (constant_pool_constant_p): New predicate to check
10603 whether operand is a floating point constant in the pool.
10604 * rtl.h (constant_pool_constant_p): Prototype here.
10605 * loop.c (scan_loop): Avoid hoisting constants from the constant
10606 pool on STACK_REGS targets.
10607 (load_mems): Likewise.
10608 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10609 loads into x87 registers expensive in terms of register pressure.
10611 2006-02-19 Roger Sayle <roger@eyesopen.com>
10613 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10614 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10616 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10618 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10619 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10621 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10623 * doc/invoke.texi: Document -fipa-pta.
10624 * common.opt: Add ipa-pta option.
10625 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10626 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10627 (do_ds_constraint): Ditto.
10628 (get_constraint_for): Only add to referenced_vars if
10629 referenced_vars exists.
10630 (insert_into_field_list): Rewrite to do this unsorted.
10631 (insert_into_field_list_sorted): Rename old insert_into_field_list
10633 (create_function_info_for): Use insert_into_field_list_sorted.
10634 (create_variable_info_for): Rewrite so it uses unsorted version,
10635 since the field list is sorted.
10636 (intra_create_variable_infos): Only add to referenced_vars if
10637 referenced_vars exists.
10638 (ipa_pta_execute): Init heapvars, and delete when done.
10639 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10641 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10643 * doc/install.texi: Add missing `@samp'.
10645 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10647 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10650 2006-02-18 Mark Wielaard <mark@klomp.org>
10652 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10653 who added new 4.1 features, bug fixes and integration support.
10655 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10658 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10659 MEM for ABI_V4 pic.
10661 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10663 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10664 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10665 (copy_insn_1): Likewise. Don't copy each field individually.
10667 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10669 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10670 * rtl.c (rtx_size): Rename variable to...
10671 (rtx_code_size): ...this.
10672 (rtx_size): New function.
10673 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10674 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10676 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10677 * rtl.h (rtx_code_size): New variable.
10678 (rtx_size): Change from a variable to a function.
10679 (RTX_SIZE): Rename to...
10680 (RTX_CODE_SIZE): ...this.
10683 PR tree-optimization/17106
10684 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10685 (Anchored Addresses): New section.
10686 * doc/invoke.texi (-fsection-anchors): Document.
10687 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10688 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10689 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10690 * hooks.c (hook_bool_mode_rtx_false): New function.
10691 * hooks.h (hook_bool_mode_rtx_false): Declare.
10692 * gengtype.c (create_optional_field): New function.
10693 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10694 SYMBOL_REF_IN_BLOCK_P is true.
10695 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10696 (min_anchor_offset, max_anchor_offset): Likewise.
10697 (use_anchors_for_symbol_p): New hook.
10698 * toplev.c (compile_file): Call output_object_blocks.
10699 (target_supports_section_anchors_p): New function.
10700 (process_options): Check that -fsection-anchors is only used on
10701 targets that support it and when -funit-at-a-time is in effect.
10702 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10703 if the decl doesn't have one.
10704 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10705 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10706 of force_const_mem through use_anchored_address.
10707 (expand_expr_constant): New function.
10708 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10709 calling expand_expr for INDIRECT_REF.
10710 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10711 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10712 * expr.h (use_anchored_address): Declare.
10713 * loop-unroll.c: Don't declare rtx vectors here.
10714 * explow.c: Include output.h.
10715 (validize_mem): Call use_anchored_address.
10716 (use_anchored_address): New function.
10717 * common.opt (-fsection-anchors): New switch.
10718 * varasm.c (object_block_htab, anchor_labelno): New variables.
10719 (hash_section, object_block_entry_eq, object_block_entry_hash)
10720 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10721 (use_blocks_for_decl_p, change_symbol_section): New functions.
10722 (get_variable_section): New function, split out from assemble_variable.
10723 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10724 use_blocks_for_decl_p say so. Use change_symbol_section if the
10725 symbol has already been created.
10726 (assemble_variable_contents): New function, split out from...
10727 (assemble_variable): ...here. Don't output any code for
10728 block symbols; just pass them to place_block_symbol.
10729 Use get_variable_section and assemble_variable_contents.
10730 (get_constant_alignment, get_constant_section, get_constant_size): New
10731 functions, split from output_constant_def_contents.
10732 (build_constant_desc): Create a block symbol if use_object_blocks_p
10733 says so. Or into SYMBOL_REF_FLAGS.
10734 (assemble_constant_contents): New function, split from...
10735 (output_constant_def_contents): ...here. Don't output any code
10736 for block symbols; just pass them to place_section_symbol.
10737 Use get_constant_section and get_constant_alignment.
10738 (force_const_mem): Create a block symbol if use_object_blocks_p and
10739 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10740 (output_constant_pool_1): Add an explicit alignment argument.
10741 Don't switch sections here.
10742 (output_constant_pool): Adjust call to output_constant_pool_1.
10743 Switch sections here instead. Don't output anything for block symbols;
10744 just pass them to place_block_symbol.
10745 (init_varasm_once): Initialize object_block_htab.
10746 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10747 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10748 (place_block_symbol, get_section_anchor, output_object_block)
10749 (output_object_block_htab, output_object_blocks): New functions.
10750 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10751 (TARGET_ASM_OUT): Include it.
10752 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10753 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10754 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10755 (TARGET_INITIALIZER): Include them.
10756 * rtl.c (rtl_check_failed_block_symbol): New function.
10757 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10758 (block_symbol, object_block): New structures.
10759 (rtx_def): Add a block_symbol field to the union.
10760 (BLOCK_SYMBOL_CHECK): New macro.
10761 (rtl_check_failed_block_symbol): Declare.
10762 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10763 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10764 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10765 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10766 * output.h (output_section_symbols): Declare.
10767 (object_block): Name structure.
10768 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10769 (default_use_anchors_for_symbol_p): Declare.
10770 * Makefile.in (RTL_BASE_H): Add vec.h.
10771 (explow.o): Depend on output.h.
10772 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10773 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10774 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10775 (rs6000_use_blocks_for_constant_p): New function.
10777 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10779 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10781 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10784 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10787 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10789 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10793 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10795 PR middle-end/26334
10796 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10797 instead of DECL_REGISTER.
10799 2006-02-18 Olivier Hainque <hainque@adacore.com>
10802 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10804 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10807 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10808 * opth-gen.awk: Handle Var and InverseMask together.
10809 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10810 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10811 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10812 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10814 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10815 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10816 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10817 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10818 LINUX_DYNAMIC_LINKER): Define.
10819 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10820 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10822 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10823 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10824 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10826 (TARGET_C99_FUNCTIONS): Don't define.
10827 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10828 GLIBC_DYNAMIC_LINKER.
10829 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10830 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10831 GLIBC_DYNAMIC_LINKER64): Define.
10832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10833 LINUX_DYNAMIC_LINKER64.
10834 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10836 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10838 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10840 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10841 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10842 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10844 and LINUX_DYNAMIC_LINKER32.
10845 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10846 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10847 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10849 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10851 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10852 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10853 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10854 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10855 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10856 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10857 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10858 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10859 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10860 LINUX_DYNAMIC_LINKER): Define.
10861 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10862 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10863 GLIBC_DYNAMIC_LINKER64): Define.
10864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10865 LINUX_DYNAMIC_LINKER64.
10866 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10867 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10868 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10869 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10870 LINUX_DYNAMIC_LINKER): Define.
10871 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10872 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10873 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10874 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10875 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10876 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10877 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10878 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10879 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10880 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10882 * doc/invoke.texi (-muclibc): Remove caveat about supported
10885 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10887 * doc/cpp.texi (__TIMESTAMP__): Document.
10889 2006-02-17 Roger Sayle <roger@eyesopen.com>
10891 PR middle-end/25600
10892 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10893 C is one less than the width of X (and related transformations).
10894 * simplify-rtx.c (simplify_unary_operation_1): Transform
10895 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10896 depending on STORE_FLAG_VALUE, were C is one less then the
10899 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10901 Fix PR tree-optimization/26341
10902 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10903 about NAME_MEMORY_TAG's.
10905 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10908 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10909 with hardware float support, and software float support. Add fcpy
10910 alternative to hardware patterns. Add alternatives to copy between
10911 general and floating-point registers to the 32-bit pattern.
10912 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10913 secondary reload to load a QI or HI mode constant into a floating
10915 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10916 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10918 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10921 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10923 (load_macho_picbase_di): Likewise.
10925 2006-02-16 Jeff Law <law@redhat.com>
10927 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10928 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10929 (ssa_name_nonzero_p): Likewise.
10930 (get_value_range): Return NULL if VRP is not running.
10931 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10932 VRP routines do not discover a range.
10933 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10934 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10935 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10936 (tree_expr_nonnegative_p): Similarly.
10937 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10938 (restore_nonzero_vars_to_original_value): Remove.
10939 (unsafe_associative_fp_binop): Remove.
10940 (tree_ssa_dominator_optimize): Remove initialization and
10941 finalization of nonzero_vars and nonzero_vars_stack.
10942 (dom_opt_initialize_block): No longer push marker on
10943 nonzero_vars_stack.
10944 (dom_opt_finalize_block): No longer call
10945 restore_nonzero_vars_to_original_value.
10946 (record_equivalences_from_phis): No longer look for
10947 nonzero PHI arguments.
10948 (cprop_into_successor_phis): No longer propagate nonzero
10949 property into PHI arguments. Lose unused argument. Caller
10951 (record_equivalences_from_stmt): No longer record nonzero
10952 values for SSA_NAMEs.
10953 (lookup_avail_expr): No longer use nonzero_vars.
10955 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10956 for sizetype when sizetype is unsigned.
10958 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10960 PR rtl-optimization/25603
10961 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10962 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10963 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10964 with new meaning of SETS.
10966 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10971 * config/linux.opt: New file.
10972 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10973 LINUX_DYNAMIC_LINKER): Define.
10974 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10975 * config.gcc (*-*-linux*): Define extra_options.
10976 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10977 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10978 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10979 GLIBC_DYNAMIC_LINKER.
10980 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10981 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10982 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10984 * doc/invoke.texi (GNU/Linux Options): New section.
10986 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10988 * config/sparc/sparc.md (setjmp): Rewrite.
10989 (setjmp_32): Delete.
10990 (setjmp_64): Likewise.
10992 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10994 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10997 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10999 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11002 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11004 PR rtl-optimization/26296
11005 * Makefile.in (loop-invariant.c): Add except.h dependency.
11006 * loop-invariant.c: Include except.h.
11007 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11009 2005-02-16 Paul Brook <paul@codesourcery.com>
11011 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11014 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11016 PR rtl-optimization/25636
11017 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11018 when deciding whether an insn is an initializing insn.
11020 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11022 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11023 (tree_code_size): Ditto.
11024 * tree.h (struct tree_memory_tag): Remove parent_var.
11025 (struct tree_struct_field_tag): New.
11028 (union tree_node): Add sft member.
11029 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11031 (create_sft): Add size and offset argument, set SFT_OFFSET and
11033 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11034 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11035 * tree-flow-inline.h (get_subvar_at): Update for
11036 SFT_OFFSET/SFT_SIZE.
11037 (var_can_have_subvars): Ditto.
11038 (overlap_subvar): Ditto.
11039 * print-tree.c (print_node): Print out interesting things for
11041 * tree-flow.h (struct subvar): Remove offset and size members.
11042 * tree-ssa-operands.c (get_expr_operands): Update for
11043 get_indirect_ref_operands changes.
11044 (get_indirect_ref_operands): Call add_virtual_operand instead of
11045 add_stmt_operand. Only recurse on base var if requested.
11046 (access_can_touch_variable): New function.
11047 (add_stmt_operand): Split virtual operand handling into ...
11048 (add_virtual_operand): Here. Add offset, size, and for_clobber
11049 arguments. Prune alias sets.
11050 (add_call_clobber_ops): Call add_virtual_operand.
11052 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11054 PR middle-end/26300
11055 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11057 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11058 than TREE_CODE as index into omp_clause_num_ops array.
11060 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11062 PR rtl-optimization/26184
11063 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11065 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11066 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11067 must_precede, must_follow and tobe_scheduled.
11070 * opts.c (common_handle_option): Free new_option pointer.
11071 * df-core.c (df_analyze): Free postorder pointer.
11073 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11075 * Makefile.in: Fix the examples about the use of stamps
11077 2006-02-15 Michael Matz <matz@suse.de>
11079 PR middle-end/22275
11081 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11082 influenced by maximum_field_alignment or DECL_PACKED.
11083 (update_alignment_for_field): Ditto.
11084 (place_field): Ditto.
11085 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11088 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11090 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11091 (debug_flow_info): Pass it.
11092 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11093 * bb-reorder.c (reorder_basic_blocks): Likewise.
11094 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11095 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11096 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11097 * gcse.c (gcse_main, bypass_jumps): Likewise.
11098 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11099 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11100 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11101 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11102 * rtl.h (dump_flow_info): Adjust prototype.
11103 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11104 * var-tracking.c (variable_tracking_main): Likewise.
11105 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11106 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11109 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11111 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11114 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11116 PR tree-optimization/26209
11117 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11118 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11120 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11122 2006-02-14 Roger Sayle <roger@eyesopen.com>
11124 PR middle-end/23670
11125 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11126 (X,Y) and the corresponding symmetry related transformations.
11127 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11128 (X,Y) and its symmetry related transformations.
11130 2006-02-14 Roger Sayle <roger@eyesopen.com>
11132 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11135 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11137 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11139 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11142 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11143 support COMDAT group.
11144 * configure: Regenerate.
11146 2006-02-14 Roger Sayle <roger@eyesopen.com>
11148 PR middle-end/26279
11149 PR middle-end/26280
11150 PR middle-end/26283
11151 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11153 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11155 Fix PR tree-optimization/26260
11157 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11159 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11160 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11161 * tree-ssa-structalias.c (create_variable_info_for): Use
11162 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11164 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11166 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11168 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11169 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11170 of the ending condition.
11171 * tree-ssa-loop-manip.c: Include params.h.
11172 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11173 tree_unroll_loop): New functions.
11174 * tree-pass.h (pass_loop_prefetch): Declare.
11175 * loop.c (rest_of_handle_loop_optimize): Test for
11176 -fprefetch-loop-arrays-rtl.
11177 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11178 * timevar.def (TV_TREE_PREFETCH): New timevar.
11179 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11180 pass_loop_prefetch): New.
11181 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11182 (cleanup_tree_cfg_loop): Call scev_reset.
11183 * common.opt (fprefetch-loop-arrays-rtl): Add.
11184 * tree-ssa-loop-prefetch.c: New file.
11185 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11186 (new_temp_expr_table): Initialize expr_vars.
11187 (free_temp_expr_table): Cleanup expr_vars.
11188 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11189 expressions from being merged into one.
11190 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11191 (struct tree_niter_desc): Add control, bound and cmp fields.
11192 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11194 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11195 (tree-cfgcleanup.o): Add SCEV_H dependency.
11196 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11197 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11199 2006-02-14 Richard Guenther <rguenther@suse.de>
11201 PR tree-optimization/26258
11202 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11203 in PHI argument processing.
11205 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11207 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11208 new expression in the requested machine mode.
11210 2006-02-13 Roger Sayle <roger@eyesopen.com>
11212 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11213 directly, instead let do_compare_rtx_and_jump handle this for us.
11214 * expr.c (expand_expr_real_1): Likewise.
11215 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11216 before do_jump_by_parts_greater.
11217 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11218 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11220 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11222 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11224 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11226 PR rtl-optimization/26235
11227 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11228 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11231 2006-02-13 Jeff Law <law@redhat.com>
11233 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11236 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11238 PR middle-end/26092
11239 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11240 twice if decl is a builtin. When trying again, call get_callee_fndecl
11241 first to verify it is still a builtin.
11243 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11245 * dwarf2out.c (base_type_die): Don't add AT_name here.
11246 (subrange_type_die): Don't add AT_name here.
11247 (modified_type_die): Rearrange code flow. Do add AT_name here.
11249 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11251 PR rtl-optimization/26247
11252 PR rtl-optimization/26248
11253 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11255 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11257 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11258 * config/fixtfdi.c: Likewise.
11259 * config/fixunstfdi.c: Likewise.
11260 * config/floatditf.c: Likewise.
11262 2006-02-13 Roger Sayle <roger@eyesopen.com>
11264 PR middle-end/24427
11265 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11266 into (X,C2) if C1 is a subset of the bits of C2. Transform
11267 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11269 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11271 2006-02-13 Josh Conner <jconner@apple.com>
11274 * varasm.c (function_section): Check for section name before
11275 calling select_section on targets that define
11276 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11277 unlikely_text_section instead of hot_function_section if
11278 first_function_block_is_cold.
11280 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11282 PR middle-end/25335
11283 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11285 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11287 PR rtl-optimization/26222
11288 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11289 after tree->rtl expansion.
11290 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11291 before passing it to emit_move_insn.
11293 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11295 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11297 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11298 Clarify documentation.
11299 * c-common.h (warn_write_strings): Remove.
11300 * c-common.c (warn_write_strings): Likewise.
11301 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11304 2006-02-12 Roger Sayle <roger@eyesopen.com>
11306 PR middle-end/25724
11307 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11308 (do_jump_parts_zero_rtx): New function renamed from
11309 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11310 (do_jump_parts_equality_rtx): New function split out from
11311 do_jump_parts_equality. Old implementation renamed as above.
11312 Call do_jump_parts_zero_rtx if either operand is zero.
11313 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11314 do all of the heavy lifting.
11315 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11316 calling either do_jump_by_parts_greater_rtx or
11317 do_jump_by_parts_equality_rtx.
11318 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11319 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11320 moved to do_compare_rtx_and_jump, call it directly.
11321 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11322 mode argument. Call do_compare_rtx_and_jump.
11323 (emit_case_nodes): Update calls to do_jump_if_equal.
11325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11327 PR rtl-optimization/26225
11328 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11330 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11332 PR rtl-optimization/26232
11333 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11335 2006-02-11 Jason Merrill <jason@redhat.com>
11338 * tree-inline.c (declare_return_variable): Just don't use the
11339 modify target if it's a gimple complex reg and the return slot
11342 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11344 * doc/contrib.texi: Update my entry.
11346 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11348 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11350 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11352 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11355 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11357 * doc/invoke.texi (-floop-optimize2): Removed.
11358 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11359 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11360 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11361 * common.opt (floop-optimize2): Removed.
11362 (fmove-loop-invariants): Enabled by default.
11364 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11366 * tree-if-conv.c (combine_blocks): Free the result of
11367 get_loop_exit_edges.
11369 2006-02-10 Jeff Law <law@redhat.com>
11371 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11373 PR tree-optimization/26213
11374 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11375 loop trying to follow SSA_NAME_VALUE chains.
11377 2006-02-10 Richard Guenther <rguenther@suse.de>
11379 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11380 deal with structures that end in implicitly variable sized arrays.
11382 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11384 PR rtl-optimization/24762
11385 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11388 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11390 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11391 (struct ivopts_data): Add regs_used field.
11392 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11393 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11394 instead of loop_data->regs_used;
11395 (free_loop_data): Do not free aux fields for loops.
11396 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11397 and tree_ssa_iv_optimize_finalize.
11399 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11401 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11403 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11406 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11407 computing the effective result type.
11409 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11411 PR inline-asm/16194
11412 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11413 (tree_overlaps_hard_reg_set): Declare.
11414 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11415 type and signature to match function type expected by walk_tree.
11416 (tree_overlaps_hard_reg_set): New function.
11417 (decl_conflicts_with_clobbers_p): Rename to:
11418 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11419 Use tree_overlaps_hard_reg_set. Changed caller.
11420 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11421 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11422 * cris.c (cris_md_asm_clobbers): Likewise.
11424 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11426 * reload1.c (emit_input_reload_insns): Delete code that tries to
11427 inherit using find_equiv_reg.
11429 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11431 * c-common.h (flag_const_strings): Don't declare.
11432 * c-common.c (flag_const_strings): Remove.
11433 * c.opt (fconst_strings): Remove.
11434 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11435 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11436 (c_common_init_options): Don't set flag_const_strings.
11437 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11439 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11441 * arm.md (tlobits_cbranch): New pattern.
11442 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11443 testing a single bit.
11445 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11448 * tree-ssa-pre.c (create_component_ref_by_pieces):
11449 Handle RETURN_DECL like VAR_DECL.
11451 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11453 PR middle-end/26134
11454 * fold-const.c (fold_indirect_ref_1): Fold
11455 "*(foo *)&complexfoo" to "__real__ complexfoo"
11456 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11458 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11460 * tree-flow-inline.h (var_can_have_subvars):
11461 Volatile variables should not have subvariables.
11463 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11466 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11467 multiplying unsigned values.
11470 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11472 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11474 2006-02-08 Jason Merrill <jason@redhat.com>
11477 * tree.def: Elaborate on difference from MODIFY_EXPR.
11478 * doc/c-tree.texi (INIT_EXPR): Likewise.
11479 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11480 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11481 (gimplify_target_expr): Likewise.
11482 (gimplify_cond_expr): Remove target handling.
11483 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11484 (gimplify_expr): Clobber it here.
11485 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11486 Do return slot optimization if we have an INIT_EXPR.
11489 * tree-inline.c (declare_return_variable): Also clear
11490 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11493 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11495 PR middle-end/22439
11496 * gimplify.c (gimplify_one_sizepos): Fix typo.
11498 2006-02-08 Jeff Law <law@redhat.com>
11500 PR tree-optimization/21417
11501 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11502 across a backedge if the control statement at the end of the
11503 block is data dependent on other statements in the same block.
11504 (record_temporary_equivalences_from_stmts): Remove over-conservative
11505 test for threading across backedges.
11507 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11508 control statement, handle all three special cases in the same
11509 manner as they all have the same desired solution. No longer
11510 special case edge flag updating when the post dominator is
11513 2006-02-08 Roger Sayle <roger@eyesopen.com>
11515 * tree.def (CHAR_TYPE): Remove.
11516 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11517 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11518 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11519 (gen_string_type_die): Delete unreachable function.
11521 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11522 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11523 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11524 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11525 * builtins.c (type_to_class): Likewise.
11526 * fold-const.c (fold_convert, build_range_check,
11527 merge_ranges): Likewise.
11528 * expr.c (count_type_elements): Likewise.
11529 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11530 * stor-layout.c (layout_type): Likewise.
11531 * ipa-type-escape.c (type_to_consider): Likewise.
11532 * gimplify.c (omp_firstprivatize_type_sizes,
11533 gimplify_type_sizes): Likewise.
11534 * explow.c (promote_mode): Likewise.
11535 * tree-sra.c (is_sra_scalar_type): Likewise.
11536 * varasm.c (output_constant): Likewise.
11537 * tree-inline.c (remap_type_1): Likewise.
11538 * convert.c (convert_to_pointer, convert_to_real,
11539 convert_to_integer, convert_to_complex): Likewise.
11541 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11543 * df-scan.c (df_def_record_1): A set destination may
11544 be a parallel regardless of mode.
11546 2006-02-08 Roger Sayle <roger@eyesopen.com>
11549 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11550 * config/mips/_tilib.c: Remove.
11551 * config/fixtfdi.c: New libgcc source file.
11552 * config/fixunstfdi.c: New source file.
11553 * config/floatditf.c: New source file.
11554 * config/floatunditf.c: New souce file.
11555 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11556 files above instead of config/mips/_tilib.c.
11557 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11559 2006-02-08 Jeff Law <law@redhat.com>
11561 PR tree-optimization/26169
11562 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11565 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11567 * df.h (DF_REG_SIZE): Return the length of the initialized
11570 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11572 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11573 __muldf3): Return a correctly signed zero.
11575 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11577 * passes.c (register_one_dump_file): Accept the current properties
11578 instead of pass number. Adjust call to dump_register. Remove
11580 (register_dump_files): Now a wrapper around...
11581 (register_dump_files_1): ... this one. Do not modify the pass
11583 (next_pass_1): Cosmetic fix.
11584 (execute_todo): Keep second parameter only. Use curr_properties
11585 instead of fetching it from the pass structure. Check and set
11587 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11588 instead of fetching it from the pass structure. Fix calls to
11589 execute_todo. Update curr_properties and initialize .vcg RTL dump
11590 after running the pass. Reset last_verified.
11591 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11593 (FIRST_AUTO_NUMBERED_DUMP): New.
11594 (dump_register): Remove "num" parameter, assign it within the
11596 (get_dump_file_name): Modify template for dumps.
11597 * tree-dump.h (dump_register): Adjust prototype.
11598 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11599 (PROP_trees): Add PROP_gimple_lomp.
11600 (TODO_set_props): New.
11601 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11602 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11603 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11605 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11607 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11608 (sparc64-*-linux*): Likewise.
11609 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11610 * config/sparc/t-linux: New file.
11611 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11612 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11613 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11614 -m32 -mlong-double-128.
11616 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11617 * config/alpha/t-linux: New file.
11618 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11620 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11621 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11622 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11623 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11624 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11625 (CPP_ARCH32_SPEC): Remove.
11627 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11629 PR tree-optimization/26145
11630 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11633 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11636 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11637 >= 240000 when generating code for SOM runtime.
11638 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11639 to $$dyncall when generating code for SOM runtime..
11641 2006-02-07 Dirk Mueller <dmueller@suse.com>
11644 * doc/invoke.texi (-Wsequence-point): Update documentation
11645 that -Wsequence-point is implemented for C++ as well.
11647 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11649 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11650 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11651 (LIB_SPEC): Likewise.
11652 * doc/invoke.texi (SPARC options): Document -pthread.
11654 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11656 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11659 2006-02-07 Roger Sayle <roger@eyesopen.com>
11661 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11662 Correct comment describing BOOLEAN_TYPE.
11664 2006-02-07 Dirk Mueller <dmueller@suse.com>
11666 * c.opt: C++ frontend supports -Wdiv-by-zero.
11667 * c-opts.c (c_common_handle_option): Remove dead case.
11669 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11671 * configure.ac (TLS assembler check): Do not enable TLS by
11672 default on SPARC/Solaris before version 10.
11673 * configure: Regenerate.
11675 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11677 * doc/invoke.texi (xl-compat): Document conversion and support
11680 2006-02-07 Jeff Law <law@redhat.com>
11682 * tree-vrp.c (find_conditional_asserts): Update comments.
11683 (simplify_stmt_for_jump_threading): New.
11684 (identify_jump_threads, finalize_jump_threads): New.
11685 (vrp_finalize): Call identify_jump_threads.
11686 (execute_vrp): Call finalize_jump_threads.
11687 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11688 (vrp_element, vrp_data, vrp_element_p): Remove.
11689 (vrp_hash_elt, vrp_variables_stack): Remove.
11690 (vrp_hash, vrp_eq, record_range): Remove.
11691 (simplify_cond_and_lookup_avail_expr): Remove.
11692 (extract_range_from_cond): Remove.
11693 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11694 (simplify_stmt_for_jump_threading): New.
11695 (dom_thread_across_edge): New wrapper.
11696 (tree_ssa_dominator_optimize): No longer initialize or
11697 finalize any of the VRP datastructures. Remove iteration
11698 step and simplify as a result of removal of iteration step.
11699 (pass_dominator): Perform a cfg cleanup after DOM.
11700 (dom_opt_finalize_block): Use the new common routines
11701 for threading jumps. Simplify stack management slightly.
11702 No longer need to unwind VRP state.
11703 (record_equivalences_from_incoming_edge): No longer record
11705 (eliminate_redundant_computations): No longer call
11706 simplify_cond_and_lookup_avail_expr.
11707 * tree-flow.h (potentially_threadable_block): Prototype.
11708 (thread_across_edge): Likewise.
11709 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11710 (tree-ssa-threadedge.o): Add dependencies.
11711 * tree-ssa-threadedge.c: New file.
11712 * passes.c (init_optimization_passes): Merge PHIs before
11713 calling VRP. Run VRP again late in the SSA optimization pipeline.
11715 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11717 * df-core.c (df_set_blocks): Do not dereference function pointers.
11718 (df_finish1): Likewise.
11719 (df_hybrid_search_forward): Likewise.
11720 (df_hybrid_search_backward): Likewise.
11721 (df_iterative_dataflow): Likewise.
11722 (df_analyze_problem): Likewise.
11723 (df_compact_blocks): Likewise.
11724 (df_dump): Likewise.
11725 * df-scan.c (df_rescan_blocks): Likewise.
11726 (df_record_entry_block_defs): Likewise.
11728 * genconditions.c (write_conditions): Guard the definition of
11729 'insn_conditions' with the check on GCC version.
11730 (write_writer): Guard the traversal 'insn_conditions' with
11731 the check on GCC version.
11733 2006-02-07 Richard Guenther <rguenther@suse.de>
11737 2006-01-30 Richard Guenther <rguenther@suse.de>
11739 * gimplify.c (gimplify_target_expr): Handle easy cases
11740 without creating a temporary.
11742 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11744 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11745 use of float in probability computations. Use edge probabilities
11746 in place of statically computed probabilities.
11747 (min_spec_prob): New static variable.
11748 (schedule_insns): Initialize it.
11749 (GET_SRC_PROB): Removed.
11750 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11752 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11755 * config/ia64/unwind-ia64.c: Revert last change.
11756 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11757 (INCOMING_FRAME_SP_OFFSET): Define.
11759 2006-02-06 Roger Sayle <roger@eyesopen.com>
11761 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11763 2006-02-07 Ben Elliston <bje@au.ibm.com>
11765 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11766 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11767 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11768 (ix86_return_in_memory): Handle TDmode.
11769 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11770 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11772 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11774 * reorg.c (dbr_schedule): Use dump_file instead of file.
11776 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11779 * config/ia64/predicates.md (extr_len_operand): New predicate.
11780 * config/ia64/ia64.md (extv): Tighten constraints.
11782 (*tbit_and_2): Ditto.
11783 (*tbit_and_3): Ditto.
11784 (*tbit_or_2): Ditto.
11785 (*tbit_or_3): Ditto.
11786 (*bit_zero): Ditto.
11789 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11792 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11794 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11796 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11797 loop_optimizer_init and loop_optimizer_finalize
11798 * tree-ssa-sink.c (execute_sink_code): Ditto.
11799 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11800 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11801 tree_ssa_loop_done): Ditto.
11802 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11803 * sched-ebb.c: Include output.h.
11804 (schedule_ebbs): Do not use dump argument.
11805 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11806 * loop.c (loop_dump_stream): Removed.
11807 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11809 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11810 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11811 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11812 loop_iterations, strength_reduce, record_biv, record_giv,
11813 final_giv_value, check_final_value, check_ext_dependent_givs,
11814 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11815 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11816 dump_file instead of loop_dump_stream.
11817 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11818 argument dump_file.
11819 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11821 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11822 * haifa-sched.c: Include output.h
11823 (schedule_insns, sched_init): Do not use dump argument.
11824 * mode-switching.c (optimize_mode_switching): Ditto.
11825 * modulo-sched.c (stats_file): Removed.
11826 (print_node_sched_params): Do not call argument dump_file.
11827 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11828 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11830 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11832 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11833 rtl_loop_init, rtl_loop_done): Ditto.
11834 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11835 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11837 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11838 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11839 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11840 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11841 * emit-rtl.c (renumber_insns): Ditto.
11842 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11843 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11844 * regclass.c (regclass): Ditto.
11845 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11846 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11847 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11848 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11850 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11851 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11853 * gcse.c (gcse_file, debug_stderr): Removed.
11854 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11855 rest_of_handle_gcse): Do not use dump argument.
11856 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11857 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11858 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11859 compute_code_hoist_vbeinout, compute_code_hoist_data,
11860 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11861 compute_store_table, build_store_vectors, insert_insn_start_bb,
11862 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11863 store_motion): Use dump_file instead of gcse_file.
11864 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11865 * profile.c (profile_dump_file): Removed.
11866 (branch_prob): Use dump_file instead of profile_dump_file.
11867 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11869 * tree-ssa-copy.c (dump_copy_of): Ditto.
11870 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11871 dump file to life_analysis.
11872 * bt-load.c (branch_target_load_optimize): Ditto.
11873 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11875 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11876 regclass, dbr_schedule): Declaration changed.
11877 * sched-int.h (sched_init): Declaration changed.
11878 * tree-profile.c (tree_profile_dump_file): Removed.
11879 (tree_profile_hooks): Removed profile_dump_file hook.
11880 * rtl-profile (rtl_profile_dump_file): Removed.
11881 (rtl_profile_hooks): emoved profile_dump_file hook.
11882 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11884 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11885 * tree-cfg.c (build_tree_cfg): Ditto.
11886 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11887 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11888 Declaration changed.
11889 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11890 life_analysis and schedule_insns.
11891 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11893 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11895 * config/mips/mips.c (mips_reorg): Ditto.
11896 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11899 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11901 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11902 (s390_mangle_fundamental_type): New.
11903 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11906 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11907 (alpha_mangle_fundamental_type): New.
11908 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11911 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11913 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11915 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11916 (sparc_mangle_fundamental_type): New.
11918 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11920 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11921 (s390x-*-linux*): Likewise.
11922 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11923 * config/s390/t-linux: New file.
11925 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11927 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11928 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11930 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11932 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11933 (ANTIC_SAFE_LOADS): New macro.
11934 (find_or_generate_expression): Add prototype.
11935 (set_contains_value): Allow null set for sake of not always having
11936 to allocate ANTIC_SAFE_LOADS.
11937 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11938 Allow COMPONENT_REF too.
11939 (valid_in_set): Allow COMPONENT_REF.
11940 Check ANTIC_SAFE_LOADS too.
11941 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11942 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11944 (can_PRE_operation): Add COMPONENT_REF.
11945 (create_component_ref_by_pieces): New function.
11946 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11947 (insert_aux): Move AGGREGATE_TYPE_P check here.
11948 (compute_avail): Set bb local stmt uids.
11949 (pass_pre): Use TODO_update_ssa_only_virtuals.
11951 2006-02-06 Ben Elliston <bje@au.ibm.com>
11953 * configure.ac: Unconditionally disable decimal float by default.
11954 * configure: Regenerate.
11956 2006-02-06 Ben Elliston <bje@au.ibm.com>
11958 * read-rtl.c (read_name): Terminate reading on EOF.
11960 2006-02-06 Ben Elliston <bje@au.ibm.com>
11962 * dfp.c (decimal_real_arithmetic): Change second argument type
11963 from int to enum tree_code. Do not always return true, but now
11964 return result of any call to decimal_do helper functions.
11965 * dfp.h (decimal_real_arithmetic): Update prototype.
11967 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11969 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11971 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11974 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11977 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11979 * tree-vrp.c (cfg_loops): Removed.
11980 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11981 Use current_loops instead of cfg_loops. Pass flags to
11982 loop_optimizer_init.
11983 * cfgloopmanip.c (fix_loop_structure): Update only available
11985 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11986 loop_optimizer_init.
11987 * modulo-sched.c (build_loops_structure): Removed.
11988 (sms_schedule): Use loop_optimizer_init.
11989 * loop-init.c (loop_optimizer_init): Use flags to determine
11990 which properties of loops to prepare.
11991 (rtl_loop_init): Pass flags to loop_optimizer_init.
11992 * tree-ssa-sink.c (execute_sink_code): Ditto.
11993 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11994 * tree-ssa-pre.c (init_pre): Ditto.
11995 * cfgloop.h (LOOPS_NORMAL): New.
11996 (loop_optimizer_init): Declaration changed.
11998 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12000 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12001 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12003 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12005 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12007 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12008 * pa/t-pa64: Delete quadlib.c rule.
12009 * pa/x-ada: Revert last change.
12010 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12012 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12014 PR rtl-optimization/26087
12015 * rtlanal.c (canonicalize_condition): Do not cross basic block
12018 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12021 * config/ia64/ia64.c: Include debug.h.
12022 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12023 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12024 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12025 (process_epilogue, process_set, process_for_unwind_directive):
12026 Output unwind info only if requested. Add CFA info if requested.
12027 Add new arguments as needed. Adjust callers.
12028 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12030 (DWARF2_FRAME_INFO): Define to zero.
12031 * config/ia64/unwind-ia64.c: Remove code that compensated for
12032 the CFA offset error fixed above.
12033 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12034 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12035 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12036 -funwind-tables and -fexceptions to enable frame info.
12037 (dwarf2out_frame_init): Define initial CFA even if
12038 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12039 DWARF2_UNWIND_INFO is nonzero, not just defined.
12040 (dwarf2out_frame_finish): Output non-EH call frame info only
12041 if DWARF2_FRAME_INFO is nonzero.
12042 (convert_cfa_to_loc_list,
12043 compute_frame_pointer_to_cfa_displacement): Define even if
12044 unwind info is not supported.
12045 (gen_subprogram_die): Use the above unconditionally. Remove
12046 legacy alternate code.
12047 * toplev.c (compile_file): Compile in call to
12048 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12049 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12051 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12052 Jakub Jelinek <jakub@redhat.com>
12054 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12055 IBM extended float format long double as "g" on powerpc*-linux.
12057 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12060 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12061 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12063 2006-02-03 Jason Merrill <jason@redhat.com>
12066 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12068 PR middle-end/25977
12069 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12070 on the return slot if it's an NRV.
12072 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12074 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12075 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12076 rewrite_use): Do not handle USE_OUTER.
12077 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12078 add_iv_outer_candidates, may_replace_final_value,
12079 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12080 (find_interesting_uses_op): Functionality of
12081 find_interesting_uses_outer_or_nonlin moved here.
12082 (find_interesting_uses_outside): Use find_interesting_uses_op.
12084 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12087 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12089 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12090 Ulrich Weigand <uweigand@de.ibm.com>
12093 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12094 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12095 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12096 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12098 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12099 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12100 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12101 Define secondary reloads for TFmode moves.
12102 (constant_modes): Add TFmode.
12103 (NR_C_MODES): Set to 8.
12104 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12106 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12107 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12108 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12109 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12110 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12111 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12112 (FPR mode macro): Add TFmode.
12113 (DSF mode macro): New.
12114 (<de>, <dee> mode attributes): Removed.
12115 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12116 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12117 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12118 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12119 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12120 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12121 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12122 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12123 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12124 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12125 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12126 "*negabs<mode>2", "sqrt<mode>2"):
12127 Changed <de> to <xde>. R constraint replaced by <Rf>.
12128 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12130 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12131 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12132 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12134 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12135 "extenddftf2", "extendsftf2"): New expanders.
12136 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12137 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12138 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12139 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12141 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12142 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12143 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12144 __floatditf): Add a GCC_4.1.0 symbol version tag.
12145 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12148 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12151 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12152 Use targetm.binds_local_p instead of TREE_PUBLIC.
12154 2006-02-02 Roger Sayle <roger@eyesopen.com>
12156 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12157 on INTEGER_TYPEs to indicate that it denotes a character type.
12158 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12159 signed_char_type_node, unsigned_char_type_node and char_type_node.
12160 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12161 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12162 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12164 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12165 Daniel Berlin <dberlin@dberlin.org>
12167 * tree-tailcall.c (arg_needs_copy_p): New function.
12168 (eliminate_tail_call): Use arg_needs_copy_p.
12169 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12170 (add_virtual_phis): New function.
12172 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12174 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12175 #ignore instead of #scratch for %g7 .register directive.
12177 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12179 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12182 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12184 * flow.c (calculate_global_regs_live): Assert that there aren't any
12187 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12189 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12190 what its name says.
12191 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12192 bsi_after_labels iterator.
12193 * tree-if-conv.c (find_phi_replacement_condition,
12194 replace_phi_with_cond_modify_expr): Likewise.
12195 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12196 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12198 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12200 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12202 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12205 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12206 array after growing it.
12208 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12210 PR middle-end/24901
12211 * fold-const.c (fold_checksum_tree): Change type of buf.
12213 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12215 * reload.c (push_secondary_reload): Initialize t_icode.
12217 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12219 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12220 -msoft-float -mlong-double-128 only issue a warning, but don't
12221 swich to DFmode long double.
12223 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12225 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12226 has a constant equivalent, iterate over equivalents for arg0,
12227 calling simplify_relational_operation and if there's a result
12228 cheaper than X, apply fold_rtx and return the result.
12230 2006-02-01 Jan Hubicka <jh@suse.cz>
12232 * opts.c (no_unit_at_a_time_default): New global variable.
12233 (decode_options): Use it.
12234 * opts.h (no_unit_at_a_time_default): Declare.
12236 2006-02-01 Paul Brook <paul@codesourcery.com>
12238 * function.c (assign_parm_setup_reg): Use function argument promotion
12240 * expr.c (expand_expr_real_1): Use function argument promotion rules
12243 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12245 * gcc.c (process_command): Change j to 'unsigned int'.
12247 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12249 PR middle-end/26001
12250 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12251 Use the corrected index for the character
12252 out of the string constant.
12254 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12256 * mode-switching.c (optimize_mode_switching): Fix size
12257 allocated for bb_info[n_entities].
12259 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12261 * gcc.c (main): Correct type that is allocated for
12262 explicit_link_files.
12264 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12266 * config/s390/s390.c (init_alignment_context): Set
12267 ALIAS_SET_MEMORY_BARRIER on the MEM.
12268 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12270 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12272 PR middle-end/25933
12273 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12275 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12278 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12280 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12281 * regrename.c: Ditto.
12282 * tree-ssa-loop-im.c: Ditto.
12283 * tree-dump.c: Ditto.
12284 * tree-complex.c: Ditto.
12285 * genrecog.c: Ditto.
12286 * tree-ssa-threadupdate.c: Ditto.
12288 * java/class.c: Ditto.
12289 * java/jcf-parse.c: Ditto.
12290 * java/resource.c: Ditto.
12291 * java/except.c: Ditto.
12292 * java/jvspec.c: Ditto.
12293 * java/jcf-write.c: Ditto.
12294 * java/jcf-path.c: Ditto.
12295 * java/gjavah.c: Ditto.
12296 * java/zextract.c: Ditto.
12297 * java/jcf-io.c: Ditto.
12298 * java/jcf.h: Ditto.
12299 * java/buffer.c: Ditto.
12300 * java/lang.c: Ditto.
12301 * java/parse-scan.y: Ditto.
12302 * java/lex.c: Ditto.
12303 * java/lex.h: Ditto.
12304 * cfgloopmanip.c: Ditto.
12305 * postreload-gcse.c: Ditto.
12306 * tree-ssa-loop-manip.c: Ditto.
12307 * postreload.c: Ditto.
12308 * tree-ssa-loop-ch.c: Ditto.
12311 * cppspec.c: Ditto.
12312 * diagnostic.c: Ditto.
12314 * genoutput.c: Ditto.
12316 * cfghooks.c: Ditto.
12317 * cfgloopanal.c: Ditto.
12318 * objc/objc-act.c: Ditto.
12320 * genextract.c: Ditto.
12321 * genautomata.c: Ditto.
12322 * pretty-print.c: Ditto.
12323 * genemit.c: Ditto.
12324 * cgraphunit.c: Ditto.
12326 * df-scan.c: Ditto.
12327 * haifa-sched.c: Ditto.
12328 * dominance.c: Ditto.
12330 * tree-ssa-loop-ivopts.c: Ditto.
12331 * df-core.c: Ditto.
12332 * mode-switching.c: Ditto.
12333 * modulo-sched.c: Ditto.
12335 * ipa-pure-const.c: Ditto.
12337 * fix-header.c: Ditto.
12339 * tree-stdarg.c: Ditto.
12340 * ipa-utils.c: Ditto.
12341 * loop-init.c: Ditto.
12342 * ipa-inline.c: Ditto.
12343 * cfganal.c: Ditto.
12345 * alloc-pool.c: Ditto.
12346 * dwarf2out.c: Ditto.
12348 * genattrtab.c: Ditto.
12349 * tree-ssa-loop-ivcanon.c: Ditto.
12350 * predict.c: Ditto.
12351 * timevar.c: Ditto.
12353 * fortran/gfortranspec.c: Ditto.
12354 * regmove.c: Ditto.
12355 * local-alloc.c: Ditto.
12356 * langhooks.c: Ditto.
12357 * function.c: Ditto.
12358 * tree-vectorizer.c: Ditto.
12360 * ipa-type-escape.c: Ditto.
12362 * tree-if-conv.c: Ditto.
12363 * profile.c: Ditto.
12365 * tree-data-ref.c: Ditto.
12366 * loop-unroll.c: Ditto.
12367 * treelang/treetree.c: Ditto.
12369 * bt-load.c: Ditto.
12370 * ggc-common.c: Ditto.
12372 * coverage.c: Ditto.
12374 * tree-cfgcleanup.c: Ditto.
12375 * tree-ssa-pre.c: Ditto.
12376 * cfgcleanup.c: Ditto.
12377 * loop-invariant.c: Ditto.
12378 * loop-iv.c: Ditto.
12379 * ipa-prop.c: Ditto.
12380 * print-tree.c: Ditto.
12381 * conflict.c: Ditto.
12382 * ggc-page.c: Ditto.
12383 * sched-deps.c: Ditto.
12384 * regclass.c: Ditto.
12385 * tree-object-size.c: Ditto.
12386 * combine.c: Ditto.
12387 * bb-reorder.c: Ditto.
12388 * resource.c: Ditto.
12389 * var-tracking.c: Ditto.
12390 * cfgloop.c: Ditto.
12391 * df-problems.c: Ditto.
12392 * reg-stack.c: Ditto.
12394 * gccspec.c: Ditto.
12395 * sched-rgn.c: Ditto.
12396 * tree-ssa-structalias.c: Ditto.
12397 * tree-ssa-reassoc.c: Ditto.
12398 * config/darwin-c.c: Ditto.
12399 * config/darwin.c: Ditto.
12400 * config/arm/arm.c: Ditto.
12402 * collect2.c: Ditto.
12403 * reload1.c: Ditto.
12405 2006-01-31 Nicolas Pitre <nico@cam.org>
12407 * arm.md (smaxsi3): Make aware of smax_m1.
12410 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12412 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12414 2006-01-31 Richard Guenther <rguenther@suse.de>
12416 * doc/invoke.texi (-msselibm): Document.
12417 * target.h (expand_library_builtin): New target hook.
12418 * builtins.c (expand_builtin): Use expand_library_builtin.
12419 (default_expand_library_builtin): New function.
12420 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12421 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12422 (link_gcc_math_spec): Declare.
12423 (static_specs): Add link_gcc_math_spec.
12424 * expr.h (default_expand_library_builtin): Declare.
12425 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12426 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12427 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12428 * config/i386/i386.opt (msselibm): New target option.
12429 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12430 (ix86_init_sse_abi_builtins): New function.
12431 (ix86_expand_library_builtin): Likewise.
12432 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12433 (override_options): Handle error conditions wrt -msselibm.
12434 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12435 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12436 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12439 2006-01-31 Richard Guenther <rguenther@suse.de>
12440 Paolo Bonzini <bonzini@gnu.org>
12442 * doc/install.texi (--disable-libgcc-math): Document.
12444 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12446 * expr.h (expand_normal): new inline function.
12447 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12448 * dojump.c: use it.
12449 * dwarf2out.c: use it.
12452 * expmed.c: use it.
12453 * except.c: use it.
12454 * config/sparc/sparc.c: use it.
12455 * config/i386/i386.c: use it.
12456 * config/rs6000/rs6000.c: use it.
12457 * config/arm/arm.c: use it.
12458 * config/mips/mips.c: use it.
12459 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12461 2006-01-30 Roger Sayle <roger@eyesopen.com>
12463 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12464 argv to the appropriate type.
12466 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12468 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12471 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12474 * config/s390/s390.c (struct machine_function): New flag
12475 decomposed_literal_pool_addresses_ok_p.
12476 (s390_reorg): Set it before final stage of literal pool transforms.
12477 (s390_decompose_address): Only accept displacements of the form
12478 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12480 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12482 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12483 the comparison routine return.
12485 2006-01-30 Michael Matz <matz@suse.de>
12487 * global.c (find_reg): Only evict for global regs.
12488 Take n_refs into account and dump more info.
12490 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12493 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12494 (pragma_trap, pragma_nosave_low_regs): Likewise.
12495 (current_function_anonymous_args): Likewise.
12496 (sh_deferred_function_attributes): New variable.
12497 (sh_deferred_function_attributes_tail): Likewise.
12498 (print_operand): For '@', look up trap_exit attribute.
12499 (calc_live_regs): Look up trapa_handler attribute. For trapa
12500 handlers, save/restore fpscr, but don't do any other
12501 interrupt-specific saves.
12502 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12503 Fix check for partially saved registers to check for SHmedia.
12504 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12505 (sh_output_function_epilogue): Don't clear any of the removed
12507 (sh_insert_attributes): Don't check pragma_interrupt.
12508 Insert deferred attributes. Check that interrupt attribute is
12509 present for other attributes that require its presence.
12510 (sh_attribute_table): Add new attributes trapa_handler and
12512 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12513 Don't check for pragma_interrupt. Don't store argument.
12514 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12515 (sh_deferred_function_attributes): Declare.
12516 (sh_deferred_function_attributes_tail): Likewise.
12517 * sh.md (sp_switch_1): Add operand. Change generator caller.
12518 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12519 (*return_i): Don't use when trap_exit attribute is in effect.
12520 (*return_trapa): New insn pattern.
12521 * sh-c.c: New file.
12522 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12523 setting c_target_objs and cxx_target_objs.
12524 * t-sh: Add rule for sh-c.o.
12526 2006-01-30 Richard Guenther <rguenther@suse.de>
12529 * gimplify.c (gimplify_target_expr): Handle easy cases
12530 without creating a temporary.
12532 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12534 * vec.h (safe_grow): Remove duplicated line.
12536 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12539 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12540 (expand_omp): ... here.
12541 (expand_omp_parallel): Only remove barriers for combined
12542 parallel+workshare constructs.
12544 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12548 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12549 * tree.c (build_qualified_type): Chain the new type to the original
12550 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12551 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12552 (build_pointer_type_for_mode): Only return unqualified types.
12553 (build_reference_type_for_mode): Likewise.
12555 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12557 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12558 * Makefile.in (CXX_COMPAT_WARN): Define.
12559 * configure: Regenerate.
12561 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12564 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12567 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12569 * toplev.c: Fix thinko.
12571 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12572 Marcin Dalecki <martin@dalecki.de>
12574 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12575 (push_srcloc): Use XNEW.
12576 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12578 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12580 * df-core.c (df_set_blocks): Deleted all variable.
12582 2006-01-28 Ian Lance Taylor <ian@airs.com>
12584 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12585 cgraph_output_pending_asms.
12587 2006-01-28 Zack Weinberg <zackw@panix.com>
12589 * c.opt: Add -W(no-)overlength-strings.
12590 * doc/invoke.texi: Document it.
12591 * c-opts.c (c_common_handle_option): -pedantic implies
12592 -Woverlength-strings, if not explicitly disabled already.
12593 (c_common_post_options): -Woverlength-strings defaults to off, and
12594 is always off for C++.
12595 * c-common.c (fix_string_type): Issue warning about strings longer
12596 than is portable only if warn_overlength_strings. Rearrange code
12597 a little for clarity.
12598 * configure.in: Check for -Wno-overlength-strings as well before
12599 enabling -pedantic in stage 1.
12600 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12601 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12603 * genconditions.c (write_header, write_one_condition)
12604 (write_conditions, write_writer): Consolidate very long strings
12605 that were broken up to fit in C89 portable limit. Don't use
12606 printf when fputs will do.
12608 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12610 * combine.c (simplify_comparison <AND>): Check
12611 TRULY_NOOP_TRUNCATION before start using a subreg.
12613 * config/mips/mips.md (*branch_zero<mode>,
12614 *branch_zero<mode>_inverted, *branch_equality<mode>,
12615 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12616 Remove mode check from comparisons.
12618 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12620 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12622 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12624 * expmed.c (const_mult_add_overflow_p): Remove.
12625 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12627 * recog.c (validate_replace_rtx_subexp): Remove.
12628 * recog.h: Remove the prototype for
12629 validate_replace_rtx_subexp.
12631 * integrate.h: Remove the prototype for
12632 copy_decl_for_inlining.
12633 * rtl.h: Remove the prototype for mark_constant_function.
12634 * tree-vectorizer.h: Remove the prototype for
12635 vect_strip_conversion.
12637 * modulo-sched.c (create_partial_schedule,
12638 free_partial_schedule, reset_partial_schedule): Make them
12641 * hooks.c (hook_bool_rtx_int_false): Remove.
12642 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12644 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12646 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12647 and -mlong-double-128 are incompatible.
12648 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12649 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12650 (TARGET_LIBGCC2_CFLAGS): Define.
12651 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12652 (TARGET_LIBGCC2_CFLAGS): Same.
12653 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12655 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12658 * c-typeck.c (build_binary_op): Perform implicit casts of
12659 operands before shortening them.
12661 * cfgloopmanip.c (split_loop_bb): Remove.
12662 * cfgloop.h: Remove the prototype for split_loop_bb.
12664 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12665 * cfgloop.h: Remove the prototype for
12666 flow_loop_outside_edge_p.
12668 * emit-rtl.c (init_virtual_regs): Make it static.
12669 * function.h: Remove the prototype for init_virtual_regs.
12671 * recog.c (peephole2_optimize): Make it static.
12672 * recog.h: Remove the prototype for peephole2_optimize.
12674 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12676 * df-scan.c (df_record_entry_block_defs): Check if
12677 INCOMING_RETURN_ADDR_RTX is defined.
12679 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12680 Kenneth Zadeck <zadeck@naturalbridge.com>
12682 PR rtl-optimization/24762
12683 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12684 * targhooks.c (hook_void_bitmap): New hook prototype.
12685 * targhoohs.h (hook_void_bitmap): Ditto.
12686 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12687 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12688 * target.h (live_on_entry): New function pointer.
12689 * df-scan.c (df_all_hard_regs): Removed.
12690 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12691 (df_scan_free_internal): Added df->entry_block_defs.
12692 (df_scan_alloc): Ditto.
12693 (df_scan_dump): Ditto.
12694 (df_uses_record): Plumbed flag field properly thru calls.
12695 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12696 This part fixes PR24762.
12697 (df_bb_refs_record): Added code to make the frame and arg
12698 pointers live in EH blocks.
12699 (df_refs_record): Added call to df_record_entry_block_defs.
12700 (df_record_entry_block_defs): New function.
12701 * df-core.c: Added comments to describe new artifical defs.
12702 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12703 (entry_block_defs): New field in struct df.
12704 (df_all_hard_regs): Deleted.
12705 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12706 * df-problems.c (df_ru_bb_local_compute_process_def):
12707 Added code to handle artifical defs in the entry to a function.
12708 (df_ru_bb_local_compute): Ditto.
12709 (df_rd_bb_local_compute_process_def): Ditto.
12710 (df_rd_bb_local_compute): Ditto.
12711 (df_lr_bb_local_compute): Ditto.
12712 (df_ur_bb_local_compute): Ditto.
12713 (df_urec_bb_local_compute): Ditto.
12714 (df_chain_create_bb): Ditto.
12715 (df_ur_local_finalize): Removed entry.
12716 (df_urec_init): Ditto.
12717 (df_urec_local_finalize): Ditto.
12718 (df_ri_bb_compute): Added detection of last use of pseudos.
12719 * Makefile.in (df-scan.o): Updated dependencies.
12720 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12721 * config/mips/mips.c (mips_set_live_on_entry): Added.
12722 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12724 * dce.c (marked_insn_p): Added code to handle artifical defs.
12726 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12728 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12730 (_mm_cvtsi128_si64): Likewise.
12731 (_mm_cvtsd_si64): Likewise.
12732 (_mm_cvttsd_si64): Likewise.
12733 (_mm_cvtsi64_sd): Likewise.
12734 (_mm_cvtsi64_si128): Likewise.
12735 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12736 (_mm_cvtsi64_m64): Likewise.
12737 (_m_to_int64): Likewise.
12738 (_mm_cvtm64_si64): Likewise.
12739 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12740 (_mm_cvttss_si64): Likewise.
12741 (_mm_cvtsi64_ss): Likewise.
12742 (_mm_cvtss_f32): Likewise.
12744 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12746 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12747 for pragma redefine_extname.
12749 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12752 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12753 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12754 -mno-minimal-toc to previous content.
12755 (bispecs): Remove goal.
12756 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12757 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12758 compatibility aliases on powerpc-*-*gnu*.
12759 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12760 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12761 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12762 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12763 (ldblspecs): New goal.
12764 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12765 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12767 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12768 L_sf_to_tf or L_df_to_tf is defined.
12770 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12771 Alan Modra <amodra@bigpond.net.au>
12774 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12775 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12776 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12777 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12778 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12779 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12780 (rs6000_override_options): Initialize rs6000_ieeequad.
12781 Initialize TFmode format to ibm_extended_format if not
12783 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12785 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12786 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12787 (function_arg_advance): IBM long double passed in two FPRs, not
12789 (function_arg): IBM long double passed in FPRs.
12790 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12791 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12792 Only multireg GPR aligned.
12793 (rs6000_init_libfuncs): Enable IBM long double functions if not
12795 (rs6000_generate_compare): Use IBM long double compare if not
12797 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12798 (TARGET_IEEEQUAD): Define.
12799 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12800 not TARGET_IEEEQUAD.
12801 * config/rs6000/rs6000.md: Enable TFmode patterns if
12803 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12804 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12805 and -mlong-double-128 are incompatible.
12806 * doc/invoke.texi (-mabi): Collect options together. Add
12807 ibmlongdouble and ieeelongdouble.
12809 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12811 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12813 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12814 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12815 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12816 * rtl.h (rtunion_def): Remove rt_ptr.
12818 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12819 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12820 * config/i386/winnt.c (i386_pe_mark_dllexport)
12821 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12823 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12825 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12827 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12831 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12832 pthread_key_delete. From John David Anglin. gthrw-ify
12833 pthread_getunique_np only if it it's not a macro. Delete
12835 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12836 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12837 __gthread_objc_condition_signal, __gthread_key_delete): Add
12838 "__attribute__ ((__unused__))" to unused arguments.
12839 (__gthread_recursive_mutex_init_function): Add missing return.
12840 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12841 gthr-posix95.h: Use macro-based approach for name redirection
12842 on targets missing weakref.
12844 2006-01-26 Zack Weinberg <zackw@panix.com>
12846 * genconditions.c (write_header): In generated code, #ifdef out
12847 all includes and fake declarations, except includes of bconfig.h
12848 and system.h, unless GCC_VERSION >= 3001. Do not include
12849 gensupport.h in any case.
12850 (write_conditions): Generate a definition of struct c_test. Add
12851 a comment to the generated #endif.
12852 (write_one_condition): Escape backslashes in string too.
12853 (write_writer): Generated code must escape backslashes and quote
12854 marks (but not newlines) in the strings it writes.
12855 * Makefile.in (build/gencondmd.o): Update dependencies.
12857 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12860 * Makefile.in (insn-automata.o): Add header file dependencies.
12861 * genautomata.c: Add includes.
12863 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12866 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12868 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12870 * configure.ac: Expect target tools paths to be passed from the toplevel
12871 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12873 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12875 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12878 * c.opt (Wpointer-sign): Init to -1.
12879 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12880 OPT_pedantic, to 0 otherwise.
12881 * doc/invoke.texi: Update.
12883 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12885 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12886 constants provided by 80387 instructions in the destination mode.
12888 2006-01-26 Richard Guenther <rguenther@suse.de>
12889 Andrew Pinski <pinskia@physics.uc.edu>
12892 partial PR tree-opt/17064
12893 * tree-ssa-structalias.c (intra_create_variable_infos):
12894 Create heap variables for incoming parameters if
12895 flag_argument_noalias > 1.
12896 (find_what_p_points_to): Look through default defs of
12899 2006-01-26 Jeff Law <law@redhat.com>
12902 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12903 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12904 within the VR_RANGE, use the VR_RANGE as the result, not the
12906 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12907 bounds for the type.
12909 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12911 * tree-ssa-alias.c (maybe_create_global_var): Change
12912 subvar walking to an assertion that we don't have subvar'd variables.
12914 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12917 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12918 Use a new variable, inner. PARM_DECLs are always non-weak.
12920 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12922 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12923 --disable-checking.
12925 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12927 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12929 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12931 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12932 (smax_insn, smin_insn, smax_0, smin_0): New.
12934 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12937 * config/cris/cris.c (cris_order_for_addsi3): New function.
12938 * config/cris/cris-protos.h: Prototype it.
12939 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12940 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12941 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12942 (split for "op.S1 [rx=rx+i],ry (swapped)")
12943 (split for "op(s|u).S1 [rx=rx+i],ry")
12944 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12945 Apply cris_order_for_addsi3 when generating addsi3 insns.
12947 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12949 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12950 (TREE_BLOCK): Add call to EXPR_CHECK.
12952 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12955 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12956 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12957 (dump_omp_clauses): ... here.
12958 (dump_generic_node): Handle OMP_CLAUSE.
12959 * tree.c (omp_clause_num_ops): New.
12960 (omp_clause_code_name): New.
12961 (tree_code_size): Handle OMP_CLAUSE.
12962 (tree_size): Likewise.
12963 (make_node): Document handling of OMP_CLAUSE.
12964 (tree_node_structure): Handle OMP_CLAUSE.
12965 (omp_clause_check_failed): New.
12966 (omp_clause_range_check_failed): New.
12967 (omp_clause_operand_check_failed): New.
12968 (build_omp_clause): New.
12969 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12970 * tree.h (enum omp_clause_code): Declare.
12971 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12972 (OMP_CLAUSE_RANGE_CHECK): Define.
12973 (OMP_CLAUSE_ELT_CHECK): Define.
12974 (omp_clause_check_failed): Declare.
12975 (omp_clause_operand_check_failed): Declare.
12976 (omp_clause_range_check_failed): Declare.
12977 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12978 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12979 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12980 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12981 (OMP_CLAUSE_IF_EXPR): Likewise.
12982 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12983 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12984 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12985 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12986 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12987 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12988 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12989 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12990 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12991 (OMP_CLAUSE_CODE): Define.
12992 (OMP_CLAUSE_SET_CODE): Define.
12993 (OMP_CLAUSE_CODE): Define.
12994 (OMP_CLAUSE_OPERAND): Define.
12995 (struct tree_omp_clause): Declare.
12996 (union tree_node): Add field 'omp_clause'.
12997 * treestruct.def (TS_OMP_CLAUSE): Define.
12998 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12999 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13000 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13001 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13002 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13003 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13004 (OMP_CLAUSE): Define.
13005 * print-tree.c (print_node): Handle OMP_CLAUSE.
13006 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13007 * c-typeck.c: Likewise.
13008 * gimplify.c: Likewise.
13009 * c-omp.c: Likewise.
13010 * tree-nested.c: Likewise.
13011 * tree-inline.c: Likewise.
13012 * c-parser.c: Likewise.
13013 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13016 2006-01-25 Roger Sayle <roger@eyesopen.com>
13018 PR rtl-optimization/25703
13019 * combine.c (try_combine): Handle zero_extract and strict_low_part
13020 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13022 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13024 * global.c: Fix comment typos.
13026 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13029 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13030 Use output_addr_const instead of assemble_name.
13032 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13034 * Makefile.in (sched-vis.o): Update dependencies.
13035 * haifa-sched.c (sched_finish): Clear current_sched_info.
13036 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13037 (dump_flow_info): Call it.
13038 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13040 * basic-block.h (dump_bb_info): Declare.
13041 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13042 option, and apply options only for dump files whose TDF_RTL,
13043 TDF_TREE, or TDF_IPA bits match.
13044 * rtl.h: Declare new functions exported from sched-vis.c.
13045 * sched-vis.c: Enable also if scheduling is not used.
13046 (print_value): Print the mode of registers if not inside scheduling.
13047 (print_insn): Make it work outside the scheduler. Beautify the output
13049 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13051 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13053 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13054 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13055 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13056 depending on the value of CONSTANT_POOL_ADDRESS_P.
13057 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13059 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13060 rather than SYMBOL_REF_DECL.
13061 (rtx_constant_pool): Remove const_rtx_sym_htab.
13062 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13063 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13064 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13065 Remove handling of const_rtx_sym_htab.
13066 (find_pool_constant): Delete.
13067 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13068 rather than find_pool_constant.
13069 (get_pool_constant_for_function): Delete.
13070 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13071 find_pool_constant.
13072 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13073 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13074 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13075 (SYMBOL_REF_CONSTANT): New macro.
13076 (get_pool_constant_for_function): Delete.
13077 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13078 rather than SYMBOL_REF_DECL.
13079 (i386_pe_mark_dllimport): Likewise.
13080 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13081 rather than SYMBOL_REF_DECL.
13082 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13083 (machopic_indirect_call_target): Likewise.
13085 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13087 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13089 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13091 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13093 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13095 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13097 2006-01-24 David Daney <ddaney@avtrex.com>
13100 * configure.ac (enable_tls): New enable option.
13101 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13102 * configure: Regenerate.
13103 * doc/install.texi (--enable-tls): Document new option.
13104 (--disable-tls): Ditto.
13106 2006-01-24 Richard Henderson <rth@redehat.com>
13108 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13109 * alias.c (true_dependence): Respect it.
13110 (canon_true_dependence, write_dependence_p): Likewise.
13111 * builtins.c (get_builtin_sync_mem): Set it.
13113 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13115 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13118 2006-01-24 DJ Delorie <dj@redhat.com>
13120 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13121 for storing constants in single-bit bitfields.
13123 2006-01-25 Ben Elliston <bje@au.ibm.com>
13125 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13127 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13130 * tree-ssa-pre.c (phi_translate): Return NULL
13131 for AGGREGATE_TYPE's.
13133 2006-01-24 Zack Weinberg <zackw@panix.com>
13135 * genautomata.c (process_state_for_insn_equiv_partition):
13136 Use xcalloc for insn_arcs_array.
13137 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13138 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13140 2006-01-24 Richard Henderson <rth@redhat.com>
13142 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13143 update all callers.
13145 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13147 PR rtl-optimization/25890
13148 PR rtl-optimization/25905
13149 * combine.c (expand_compound_operation, expand_field_assignment):
13150 Fail if the bitfield's final position is out of bounds.
13152 2006-01-24 Ian Lance Taylor <ian@airs.com>
13154 PR middle-end/25930
13155 * cgraphunit.c (cgraph_output_in_order): Don't clear
13156 cgraph_asm_nodes until after asm strings have been output.
13158 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13160 * fix-header.c (read_scan_file): Add new parameter imultilib when
13161 calling register_include_chains.
13163 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13165 * omp-low.c: Update documentation.
13167 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13168 Daniel Berlin <dberlin@dberlin.org>
13172 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13173 return from the function.
13175 2006-01-22 Zack Weinberg <zackw@panix.com>
13177 * rtl.def (match_code): Add second argument.
13178 * genpreds.c (write_extract_subexp): New function.
13179 (write_match_code): Add path argument. Use write_extract_subexp.
13180 (write_predicate_expr): Pass path to write_match_code.
13181 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13182 not perform a mode test.
13183 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13184 a subexpression does not constrain the top-level code set.
13185 * read-rtl.c (read_rtx_variadic): New function.
13186 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13187 * doc/md.texi: Document new notation.
13188 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13189 (cmpsi_operand): ... here, using new notation.
13191 2006-01-22 Zack Weinberg <zackw@panix.com>
13193 * varray.c: Remove GENERATOR_FILE #ifdefs.
13195 2006-01-22 Zack Weinberg <zackw@panix.com>
13197 * genautomata.c (output_reserved_units_table): Emit nothing if
13198 description->query_units_num is zero. Remove extra blank line.
13199 (output_cpu_unit_reservation_p): Short circuit
13200 if description->query_units_num is zero.
13202 2006-01-22 Zack Weinberg <zackw@panix.com>
13204 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13205 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13206 nor any of the random handful of variables that used to be necessary
13207 when this program was linked with rtlanal.o. Prune set of forward
13208 function declarations.
13209 (struct attr_desc): Remove static_p field.
13210 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13211 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13212 (attr_string): Do not read the character one past the length of
13214 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13215 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13216 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13217 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13218 (make_automaton_attrs): New.
13219 (main): Do not call into genautomata. Call local gen_bypass
13220 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13221 Remove special case for insn_alts.
13222 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13223 varray.h (leftover from previous change). Prune set of forward
13224 function declarations. Remove state_alts fields from all
13225 structures. Remove state_alts_table from struct automaton.
13226 Make everything except main static. Do not maintain num_dfa_decls.
13227 Do not maintain state_alts fields of various structures.
13228 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13229 (add_arc): Remove state_alts argument. All callers updated.
13230 (output_reserved_units_table): Emit #ifdef here...
13231 (output_tables): ...not here. Don't generate state_alts tables.
13232 (expand_automata): Don't generate attributes.
13233 (write_automata): Don't generate state_alts functions.
13234 (main): New function.
13235 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13236 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13237 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13238 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13239 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13240 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13241 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13242 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13244 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13245 * genattrtab.h: Delete file.
13246 * Makefile.in (OBJS-common): Add insn-automata.o.
13247 (insn-automata.o): New rule.
13248 (simple_generated_c): Add insn-automata.c.
13249 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13250 (genprogmd): Add automata.
13251 (build/genattrtab): Needs no extra objects nor libraries.
13252 (build/genautomata): Needs build/vec.o and -lm.
13254 2006-01-22 Zack Weinberg <zackw@panix.com>
13256 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13257 (output_dfa_max_issue_rate, locked_states_num): Delete.
13258 (struct automaton): Add locked_states field.
13259 (output_dead_lock_vect): Save number of locked states in
13260 automaton->locked_states. If it is zero, don't print anything.
13261 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13262 (output_internal_dead_lock_func): Only test the dead_lock_vect
13263 for automata that have locked states.
13264 (output_statistics): Always print the number of locked states for
13265 each automaton. Calculate total number of locked states here.
13266 (write_automata): Don't call output_dfa_max_issue_rate.
13267 * genattrtab.c: Define length_unit_log as a const variable.
13268 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13269 max_insn_queue_index const.
13270 * final.c (length_unit_log): Declare const.
13271 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13273 2006-01-22 Zack Weinberg <zackw@panix.com>
13275 * genautomata.c: Include vec.h, not varray.h.
13276 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13277 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13278 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13279 VEC_* macros operating on appropriately typed vectors, or to
13280 malloced arrays when the size is known in advance. Const-ify
13281 many char* variables and function arguments. No functional changes.
13282 * Makefile.in (build/varray.o): Delete rule.
13283 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13284 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13286 2006-01-22 Zack Weinberg <zackw@panix.com>
13288 * gensupport.c: Define get_insn_name and record_insn_name here.
13289 (read_md_rtx): Call record_insn_name as appropriate.
13290 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13291 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13292 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13294 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13295 (BUILD_VARRAY): Delete.
13296 (genprognormal): Rename genprogmd. Fold in all programs from
13297 genprognoprint; also attrtab.
13298 (build/genattrtab): Just mention genautomata.o and varray.o.
13299 Reorganize a bit, add comments to make the categories clearer.
13301 2006-01-22 Zack Weinberg <zackw@panix.com>
13303 * genconditions.c (condition_table, add_condition): Delete.
13304 (write_conditions): Don't emit n_insn_conditions nor
13305 insn_elision_unavailable. Issue the gcc version #ifdef here,
13306 inside the table, with no #else clause ...
13307 (write_header): ...not here.
13308 (write_writer): New function.
13309 (main): Don't initialize condition_table. Use add_c_test.
13311 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13312 files on the command line.
13313 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13314 Return -1 if there is no entry in the table, don't abort.
13315 (add_c_test, traverse_c_tests): New functions.
13316 * gensupport.h (insn_elision_unavailable, insn_conditions)
13317 (n_insn_conditions): Delete declarations.
13318 (add_c_test, traverse_c_tests): Declare.
13319 * read-rtl.c: Include gensupport.h.
13320 (read_conditions): New function.
13321 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13322 (read_rtx_1): If we get EOF when we were looking for an initial
13323 open paren, return 0. Call read_conditions when appropriate.
13324 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13325 dummy-conditions.o. Eliminate references to insn-conditions.o,
13326 or change them to build/gencondmd.o, as appropriate. Remove
13327 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13328 from $(simple_generated_c). For all files remaining in those
13329 two lists, add insn-conditions.md to the generator command line.
13330 Give insn-constants.h/s-constants their own rules. Add rules
13331 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13332 (build/read-rtl.o): Depend on gensupport.h.
13333 (genprognormal): Include preds.
13334 (genprogearly): Rename genprognoprint; only difference is now that
13335 they don't link with $(BUILD_PRINT).
13336 * dummy-conditions.c: Delete.
13338 2006-01-22 Zack Weinberg <zackw@panix.com>
13340 * genextract.c: Don't include insn-config.h. Do include vec.h.
13341 Declare vectors of int, char, and locstr.
13342 (locstr): New typedef.
13343 (struct extraction): Make all array fields into bare pointers.
13344 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13345 (insn_code_number): Delete.
13346 (accum_extract): New struct.
13347 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13348 (gen_insn): Take insn_code_number as an argument. Use an
13349 accum_extract structure instead of loading data directly into
13350 a struct extraction, and having to know how big it might get.
13351 (walk_rtx): Operate entirely on an accum_extract structure.
13352 (print_path): Avoid unnecessary use of printf.
13353 (print_header): New function, split out of main. Distinguish
13354 more carefully between an unrecognizable insn and an insn that
13355 has the code number of a define_expand.
13356 (main): Pass insn_code_number to gen_insn. Call print_header
13357 only after parsing. Avoid unnecessary use of printf.
13358 * Makefile.in (build/vec.o): New rule.
13359 (build/genextract): Depend on build/vec.o.
13360 (build/genextract.o): Don't depend on insn-config.h.
13362 2006-01-22 Zack Weinberg <zackw@panix.com>
13364 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13365 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13366 practical. Eliminate per-generator-program link rules.
13368 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13370 PR middle-end/24437
13371 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13372 with a call expr to ...
13373 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13375 2006-01-23 Richard Guenther <rguenther@suse.de>
13377 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13378 before make_edge with conditional EDGE_TRUE_VALUE.
13380 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13381 Jan Hubicka <jh@suse.cz>
13382 Richard Guenther <rguenther@suse.de>
13384 PR rtl-optimization/25654
13385 * cfgexpand.c (aggregate_contains_union_type): New function.
13386 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13387 for structure variables that contain a union type.
13389 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13391 * gengtype.c (new_structure): Return the structure.
13392 (create_option): Add an extra "next" argument.
13393 (create_field): New function.
13394 (adjust_field_rtx_def): Use create_option and create_field.
13395 Remove a now-unnecessary call to find_structure.
13396 (adjust_field_tree_def): Likewise.
13397 (note_yacc_type): Remove an unnecessary call to find_structure.
13398 * gengtype.h (new_structure): Return the structure.
13399 (create_option): Add an extra argument.
13400 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13401 (option): Adjust calls to create_option.
13403 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13405 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13407 2006-01-22 Paul Brook <paul@codesourcery.com>
13408 Peter Barada <peter@the-baradas.com>
13410 * config/m68k/m68k.md: Add Coldfire FPU support.
13411 Define FP mode macro and associated attributes.
13412 Use it for float mode patterns.
13413 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13414 (LIBCALL_VALUE): Use m68k_libcall_value.
13415 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13416 (m68k_function_value): Ditto.
13417 (emit_move_sequence): Ditto.
13418 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13419 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13420 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13421 (MULTILIB_EXCEPTIONS): Ditto.
13422 * config/m68k/m68k.opt: Add mcfv4e.
13423 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13424 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13425 (m68k_output_function_prologue): Save ColdFire FPU registers.
13426 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13427 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13428 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13429 ColdFire FPU registers.
13430 (m68k_libcall_value, m68k_function_value): New functions.
13431 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13432 (LIBCALL_VALUE): Use m68k_libcall_value.
13433 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13434 (MASK_COLDFIRE): Add MASK_CFV4E.
13435 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13436 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13437 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13438 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13439 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13440 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13441 * doc/invoke.tex: Document -mcfv4e on m68k.
13443 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13445 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13448 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13451 * c-opts.c (c_common_handle_option): Don't include
13452 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13453 * doc/invoke.texi (C++ Dialect Options): Document that
13454 -Wnon-virtual-dtor is no longer included in -Wall.
13456 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13458 * gcov.c (print_version), gcov-dump.c (print_version),
13459 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13462 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13464 * df-scan.c (problem_SCAN): Added NULL reset function.
13465 (df_scan_reset_blocks): Added code to call reset block function
13466 (df_bb_refs_delete) Fixed comment.
13467 (df_insn_refs_delete): Made tolerant of deleting non existent info
13468 for dataflow problems that need to be reset.
13469 * df-core.c (df_set_blocks): Ditto.
13470 * df.h (struct df_problem): Added reset_fun.
13471 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13472 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13473 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13474 functions to clear out all references to def-use or use-def chains.
13476 2006-01-21 Ben Elliston <bje@au.ibm.com>
13478 * varasm.c (assemble_real): Initialise data array.
13480 2006-01-20 Paul Brook <paul@codesourcery.com>
13482 Merge from csl-arm-branch.
13483 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13484 * config/arm/arm.md (movdi): Force operands[1] to a register
13485 if we have a non-register source.
13486 (*arm_movdi, *movdf_soft_insn): Require that one of the
13487 operands be a register.
13488 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13489 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13491 2006-01-20 DJ Delorie <dj@redhat.com>
13493 * varasm.c (initializer_constant_valid_p): Allow pointers
13494 initialized from integer constants of lesser precision.
13495 (output_constant): Allow non-int-sized pointer modes to be
13496 initialized from integer constants.
13498 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13501 * cppdefault.h (struct default_include): Add multilib flag.
13502 * cppdefault.c (cpp_include_defaults): Set it.
13503 * c.opt (-imultilib): New option.
13504 * c-opts.c (imultilib): New.
13505 (c_common_handle_option): Handle -imultilib.
13506 (c_common_post_options): Likewise.
13507 * c-incpath.c (add_standard_paths, register_include_chains):
13509 * c-incpath.h (register_include_chains): Add extra parameter.
13510 * gcc.c (do_spec_1): Generate -imultilib option.
13511 (The Specs Language): Update %I description.
13512 (process_command): Update copyright notice.
13513 * doc/cppopts.texi (-imultilib): Document.
13514 * doc/invoke.texi (-imultilib): Include in option summary.
13515 (%I): Update specs documentation.
13517 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13519 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13521 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13523 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13526 2006-01-20 Richard Guenther <rguenther@suse.de>
13527 Steven Bosscher <stevenb.gcc@gmail.com>
13529 PR rtl-optimization/24626
13530 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13531 EDGE_TRUE_VALUE if in RTL mode.
13534 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13535 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13537 2006-01-20 Dirk Mueller <dmueller@suse.com>
13540 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13541 instead of a special NOP marker.
13542 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13543 NOP marker handling.
13544 * c-common.h (empty_body_warning): Add forward declaration.
13545 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13546 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13548 2006-01-20 Paul Brook <paul@codesourcery.com>
13550 * Makefile.in (lang_checks): Keep going if mkdir fails.
13552 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13554 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13555 be able to clean out basic block when not necessary.
13556 (df_scan_free): Fixed to properly delete information if df is
13557 unused before calling df_finish.
13558 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13559 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13561 (df_bb_refs_delete): New function.
13562 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13563 * df-core.c (df_set_blocks): Added code to properly clean out
13564 unused blocks if they are not part of the blocks to consider.
13565 Added additional null check.
13566 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13567 be able to clean out basic block when not necessary
13568 * df.h (df_free_bb_function): Ditto.
13569 (df_bb_refs_delete): New function.
13570 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13571 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13572 basic block parameter to be able to clean out basic block when not
13574 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13575 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13576 Fixed to properly delete information if df is unused before
13579 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13581 PR rtl-optimization/25799
13582 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13583 Corrected confluence operator to remove bits from op2 before oring
13584 with op1 rather than removing bits from op1.
13585 (df_ru_transfer_function): Corrected test on wrong bitmap which
13586 caused infinite loop. Both of these problems were introduced in
13587 the dataflow rewrite.
13589 2006-01-19 DJ Delorie <dj@redhat.com>
13591 * reload1.c (find_reload_regs): Note the details of reload
13592 failures in the dump file.
13593 (spill_failure): Likewise.
13595 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13597 * loop-iv.c: Include df.h and hashtab.h.
13598 (enum iv_grd_result): New enum.
13599 (DF_REF_IV, DF_REF_IV_SET): New macros.
13600 (struct biv_entry): New.
13601 (df, bivs): New global variables.
13602 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13603 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13605 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13606 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13607 analyzed_for_bivness_p, record_biv): New functions.
13608 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13609 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13610 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13612 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13614 (iv_number_of_iterations): Use new interface to iv analysis.
13615 * loop-unroll.c: Do not include varray.h.
13616 (analyze_iv_to_split_insn): Use new interface to iv
13618 * loop-unswitch.c (may_unswitch_on): Ditto.
13619 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13621 (df_bb_modify): Realloc tables to the new index.
13622 (df_find_use): New function.
13623 * df.h (df_find_use): Declare.
13624 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13626 * cfgloop.h (struct rtx_iv): Remove analysed field.
13627 (iv_get_reaching_def): Removed.
13628 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13629 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13630 (loop-iv.o): Add df.h and hashtab.h dependency.
13631 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13633 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13636 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13638 (__floatundisf, __floatundidf): Likewise.
13639 * libgcc2.h (IS_IBM_EXTENDED): Define.
13641 2006-01-19 DJ Delorie <dj@redhat.com>
13643 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13645 2006-01-19 Paul Brook <paul@codesourcery.com>
13647 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13648 as nothrow when unwinding tables are disabled.
13650 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13653 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13654 of bit-field" when in system header.
13656 2006-01-19 DJ Delorie <dj@redhat.com>
13658 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13659 the 16 bit shift limit of the m16c.
13661 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13664 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13665 * config/i386/i386.c (output_set_got): Output the label if we have one
13666 for the TARGET_DEEP_BRANCH_PREDICTION case.
13668 2006-01-19 Jan Hubicka <jh@suse.cz>
13669 H.J. Lu <hongjiu.lu@intel.com>
13670 Evandro Menezes <evandro.menezes@amd.com>
13672 * invoke.texi (generic): Document
13674 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13675 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13676 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13677 (x86_use_incdec, x86_pad_returns): New variables
13678 (TARGET_CPU_DEFAULT_generic): New constant
13679 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13680 (enum processor_type): Add generic32 and generic64.
13681 * i386.md (cpu attribute): Add generic32/generic64
13682 (movhi splitter): Behave sanely when both partial_reg_dependency and
13683 partial_reg_stall are set.
13684 (K8 splitters): Enable for generic as well.
13685 * predicates.md (incdec_operand): Use TARGET_INCDEC
13686 (aligned_operand): Avoid memory mismatch stalls.
13687 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13688 * ppro.md: Enable for generic32
13689 * i386.c (generic64_cost, generic32_cost): New.
13690 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13691 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13692 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13693 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13694 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13695 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13696 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13697 x86_accumulate_outgoing_args, x86_prologue_using_move,
13698 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13699 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13700 Enable for generic.
13701 (x86_use_incdec, x86_pad_returns): New.
13702 (override_options): Add generic32 and generic64, translate "generic"
13703 to generic32/generic64 and "i686" to "generic32", refuse
13704 "generic32"/"generic64" as arch target.
13705 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13706 (ix86_reorg): Honor PAD_RETURNS.
13708 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13710 * tree-pretty-print.c (dump_generic_node): Handle
13711 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13712 * cgraph.c (cgraph_expand_queue): Rename from
13713 cgraph_analyze_queue. Update all users.
13714 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13715 cgraph_expand_queue.
13716 (cgraph_expand_all_functions): Likewise.
13717 (cgraph_finalize_pending_functions): Remove. Update callers.
13719 * tree.h (OMP_DIRECTIVE_P): Define.
13720 (OMP_PARALLEL_FN): Define.
13721 (OMP_PARALLEL_DATA_ARG): Define.
13722 (OMP_SECTIONS_SECTIONS): Define.
13723 * tree-pass.h (pass_expand_omp): Declare.
13724 * omp-low.c (struct omp_region): Declare.
13725 (struct omp_context): Remove fields 'parallel_type',
13726 'parallel_start_ix' and 'parallel_start_additional_args'.
13728 (struct omp_for_data): Rename from struct expand_omp_for_data.
13729 (omp_regions): New static variable.
13730 (root_omp_region): New static variable.
13731 (find_omp_clause): Make static.
13732 (is_in_combined_parallel_ctx): Remove.
13733 (is_combined_parallel): New.
13734 (extract_omp_for_data): Move earlier in the file.
13735 (workshare_safe_to_combine_p): New.
13736 (get_ws_args_for): New.
13737 (determine_parallel_type): Move earlier in the file.
13738 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13740 (omp_copy_decl): Likewise.
13741 (create_omp_child_function): Likewise.
13742 (lookup_omp_region): New.
13743 (dump_omp_region): New.
13744 (debug_omp_region): New.
13745 (debug_all_omp_regions): New.
13746 (new_omp_region): New.
13747 (scan_omp_parallel): If parallel_nesting_level > 1, the
13748 directive is nested within another parallel directive.
13749 Set OMP_PARALLEL_FN.
13750 (scan_omp_for): Do not try to handle combined parallel+for
13752 Remove FIXME comment.
13753 (scan_omp_nested): Remove.
13754 (scan_omp_1): Do not call scan_omp_nested when
13755 parallel_nesting_level is > 1.
13756 Do not change the DECL_CONTEXT of local variables found.
13757 (lookup_decl_in_outer_ctx): New.
13758 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13759 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13760 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13761 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13762 If CTX is nested, lookup VAR in the outer context when
13763 building copy assignment.
13764 (lower_send_clauses): Rename from expand_send_clauses.
13765 If CTX is nested, lookup VAR in the outer context when
13766 building copy assignments.
13767 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13768 If CTX is nested, lookup VAR in the outer context when
13769 building copy assignments.
13770 (expand_parallel_call): Rename from build_parallel_call.
13771 Handle combined parallel+workshare cases.
13772 Re-implement to emit code into the CFG.
13774 (expand_omp_parallel): Re-implement to emit code into the CFG.
13775 Call move_sese_region_to_fn to outline the sub-graph
13776 containing the parallel region.
13777 (expand_omp_for_1): Remove.
13778 (expand_omp_for_generic): Re-implement to emit code into the
13780 (expand_omp_for_static_nochunk): Likewise.
13781 (expand_omp_for_static_chunk): Likewise.
13782 (expand_omp_for): Likewise.
13783 (expand_omp_sections): Likewise.
13784 (remove_exit_barriers): New.
13785 (expand_omp_synch): New.
13787 (build_omp_regions_1): New.
13788 (build_omp_regions): New.
13789 (execute_expand_omp): New.
13790 (gate_expand_omp): New.
13791 (pass_expand_omp): Define.
13792 (lower_omp_sections): Rename from expand_omp_sections.
13793 Set OMP_SECTIONS_SECTIONS.
13794 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13795 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13796 (lower_omp_single): Rename from expand_omp_simple.
13797 (lower_omp_master): Rename from expand_omp_master.
13798 (lower_omp_ordered): Rename from expand_omp_ordered.
13799 (lower_omp_critical): Rename from expand_omp_critical.
13800 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13801 (lower_omp_for): Re-implement.
13802 (lower_omp_parallel): Re-implement.
13803 (lower_regimplify): Rename from expand_regimplify.
13804 (lower_omp_1): Rename from expand_omp_1.
13805 If there are syntax errors in the program, replace every
13806 OpenMP directive with NOP.
13807 Call lower_omp_* instead of expand_omp_*.
13808 (lower_omp): Rename from expand_omp.
13810 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13811 * tree-gimple.h (enum omp_parallel_type): Remove.
13812 (gimple_boolify): Declare extern.
13813 (find_omp_clause, determine_parallel_type): Remove.
13815 * gimple-low.c (lower_omp_directive): New.
13816 (lower_stmt): Call it.
13817 (record_vars_into): Move from ...
13818 (record_vars): ... here.
13819 Call record_vars_into with current_function_decl.
13821 * gimplify.c (struct gimplify_ctx): Remove fields
13822 combined_pre_p and combined_ctxp. Update users.
13823 (get_formal_tmp_var): Add documentation.
13824 (gimple_boolify): Make extern.
13825 (gimplify_expr_in_ctx): Remove. Update callers.
13826 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13827 will always be a BIND_EXPR.
13828 (gimplify_expr): Handle OMP_RETURN_EXPR.
13829 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13830 (OMP_PARALLEL): Add 3 operands.
13831 (OMP_SECTIONS): Add 1 operand.
13832 (OMP_RETURN_EXPR): Define.
13834 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13835 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13836 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13837 creating a circular free list.
13838 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13840 * tree-flow.h (move_sese_region_to_fn): Declare.
13841 (record_vars_into): Declare.
13842 * tree-cfg.c (make_omp_sections_edges): New.
13843 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13844 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13845 OMP_SECTIONS and OMP_SECTION.
13846 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13847 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13848 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13849 (gather_blocks_in_sese_region): New.
13850 (struct move_stmt_d): Declare.
13851 (move_stmt_r): New.
13852 (move_block_to_fn): New.
13853 (move_sese_region_to_fn): New.
13855 * passes.c (init_optimization_passes): Schedule
13856 pass_expand_omp after pass_init_datastructures.
13858 * tree-ssa-operands.c (get_expr_operands): Handle
13859 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13860 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13862 2006-01-19 Jeff Law <law@redhat.com>
13864 * tree-vrp.c (extract_range_from_assert): Refine the result range
13865 if the variable referenced by the ASSERT_EXPR has a range and
13866 either the tentative result range or the previous range is a
13869 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13871 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13873 2006-01-19 Jan Hubicka <jh@suse.cz>
13875 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13877 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13879 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13880 (expand_compound_operation, expand_field_assignment): Fail if the
13881 bit lengths of an extract operation are out of range.
13882 (make_extraction): Compute wanted_inner_mode based on the position
13883 and length of the extraction. Make it extraction_mode for non-constant
13884 positions, and do not modify offset in that case. When generating a
13885 new MEM, use a mode that can hold the extraction while keeping correct
13886 alignment. Remove code that supported MEMs wrapped by USEs.
13887 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13889 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13891 * config/s390/s390.md ("Y", "y"): New mode attribute.
13892 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13893 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13894 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13895 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13896 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13897 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13898 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13899 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13900 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13901 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13902 "addsi3", "subsi3"): Insn patterns removed.
13903 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13904 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13905 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13906 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13907 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13908 "*sub<mode>3_cconly2"): New insn patterns.
13909 ("addsi3", "subsi3"): New expanders.
13911 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13913 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13914 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13915 existing STMT_VINFO_VECTYPE if available.
13916 (vect_mark_relevant): Add special handling for stmts that are
13917 marked as STMT_VINFO_IN_PATTERN_P.
13918 (vect_analyze_loop): Call vect_pattern_recog.
13919 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13920 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13922 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13923 (vect_recog_func_ptr): New function-pointer type.
13924 * tree-vect-patterns.c: New file.
13925 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13926 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13927 (vect_pattern_recog_1): New functions.
13928 (vect_pattern_recog_funcs): New array of function pointers.
13930 * tree-vectorizer.h (ternary_op): New enum value.
13931 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13932 declaration. Revised documentation. Removed redundant dump prints.
13933 Removed redundant argument. Added support for reduction patterns.
13934 (vectorizable_reduction): Added support for reduction patterns.
13935 (vect_transform_stmt): Added support for patterns.
13937 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13938 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13939 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13940 (expand_widen_pattern_expr): New function.
13941 (init_optabs): Initialize new optabs udot_prod_optab,
13943 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13944 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13945 (expand_widen_pattern_expr): New function declaration.
13946 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13948 * tree-inline.c (estimate_num_insns_1): Added cases for new
13949 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13950 * tree-pretty-print.c (dump_generic_node): Likewise.
13951 (op_prio): Likewise.
13952 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13953 * tree-ssa-operands.c (get_expr_operands): Added case for
13955 * tree-vect-patterns.c (widened_name_p): New function.
13956 (vect_recog_dot_prod_pattern): Added function implementation.
13957 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13958 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13959 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13960 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13962 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13963 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13964 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13965 (init_optabs): Initialize new optabs widen_ssum_optab,
13967 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13968 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13969 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13970 use instead of type of def.
13971 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13972 function implementation.
13973 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13974 widen_ssumv8hi): New.
13976 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13979 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13982 * c-decl.c (add_flexible_array_elts_to_size): New function.
13983 (finish_decl): Use it.
13985 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13987 * diagnostic.h: Include options.h.
13988 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13989 dependancies for diagnostic.h.
13990 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13992 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13994 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13995 (ssa_ro_call_cache_valid): Ditto.
13996 * tree-ssa-alias.c (sort_tags_by_id): New function.
13997 (init_transitive_clobber_worklist): Ditto.
13998 (add_to_worklist): Ditto.
13999 (mark_aliases_call_clobbered): Ditto.
14000 (compute_tag_properties): Ditto.
14001 (set_initial_properties): Ditto.
14002 (compute_call_clobbered): Ditto.
14003 (compute_may_aliases): Call compute_call_clobbered and grouping.
14004 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14005 (compute_flow_insensitive_aliasing): Grouping now happens in our
14007 (setup_pointers_and_addressables): Remove clobbering related code.
14008 (add_may_alias): Ditto.
14009 (replace_may_alias): Ditto.
14010 (get_nmt_for): Ditto.
14011 (create_global_var):
14012 (is_escape_site): Return an escape_type enumeration.
14013 * tree-flow-inline.h (is_call_clobbered): Global var does not
14014 imply call clobbered.
14015 (mark_call_clobbered): Take a reason for marking this. Remove
14016 marking of globalness, and cache invalidation.
14017 (clear_call_clobbered): Remove cache invalidation code.
14018 * tree-dfa.c (dump_variable): If details is on, dump the reason
14020 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14022 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14023 (struct var_ann_d): Ditto.
14024 (enum escape_type): New.
14025 (mark_call_clobbered): Adjust prototype.
14026 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14027 are never call clobbered.
14028 Record reasons for escaping.
14029 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14030 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14031 (ssa_ro_call_cache_valid): Ditto.
14032 (clobbered_v_may_defs): Ditto.
14033 (clobbered_vuses): Ditto.
14034 (ro_call_vuses): Ditto.
14035 (clobber_stats): New.
14036 (init_ssa_operands): Zero out clobber stats.
14037 (fini_ssa_operands): Print out clobber stats.
14038 (get_call_expr_operands): Pass callee fndecl to
14039 add_call_read_ops).
14040 (add_call_clobber_ops): Remove use of cache.
14041 Add use of PURE_CONST information.
14042 (add_call_read_ops): Remove use of cache.
14043 Add use of static not_read information.
14045 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14047 Introduce TLS descriptors for i386 and x86_64.
14048 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14049 (TARGET_ANY_GNU_TLS): New macro.
14050 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14051 (struct machine_function): Add tls_descriptor_call_expanded_p.
14052 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14053 (ix86_current_function_calls_tls_descriptor): Likewise.
14054 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14055 (override_options): Introduce gnu2 tls dialect.
14056 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14058 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14060 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14061 (ix86_init_machine_status): Initialize new field.
14062 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14063 (ix86_tls_module_base): New.
14064 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14065 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14066 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14067 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14068 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14069 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14070 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14071 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14072 * config/i386/predicates.md (tls_modbase_operand): New.
14073 (tp_or_register_operand): New.
14075 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14077 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14078 (look_for_address_of): Ditto.
14079 (ipa_init): Walk the function decls.
14080 (static_execute): Don't set readonly on FUNCTION_DECL's.
14082 2006-01-18 Roger Sayle <roger@eyesopen.com>
14084 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14085 for shifts where the source and destination registers are different.
14087 2006-01-18 Paul Brook <paul@codesourcery.com>
14089 Merge from csl-arm-branch.
14090 2005-03-14 Julian Brown <julian@codesourcery.com>
14091 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14092 (aeabi_llsl): Likewise.
14093 (ashrdi3): Likewise.
14094 (aeabi_lasr): Likewise.
14095 (lshrdi3): Likewise.
14096 (aeabi_llsr): Likewise.
14097 2005-03-10 Julian Brown <julian@codesourcery.com>
14098 * config.gcc: Disable shared libgcc for SymbianOS.
14099 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14101 2006-01-18 DJ Delorie <dj@redhat.com>
14103 * c-pragma.c (handle_pragma_diagnostic): New.
14104 (init_pragma): Register it.
14105 * doc/extend.texi: Document it.
14107 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14108 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14109 (diagnostic_context): Add classify_diagnostic[].
14110 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14111 as errors if they're overridden to DK_WARNING.
14112 (diagnostic_initialize): Initialize classify_diagnostic[].
14113 (diagnostic_set_kind_override): New.
14114 (diagnostic_report_diagnostic): Check for kind changes.
14115 * opts.c (common_handle_option): Take lang_mask. Update callers.
14116 Handle OPT_Werror_.
14117 * common.opt (Werror=): New.
14118 * doc/invoke.texi: Document -Werror=*
14120 2006-01-18 Jeff Law <law@redhat.com>
14122 * tree-vrp.c (test_for_singularity): Correct test for new
14123 min limit. Use operand_equal_p rather than pointer equality
14124 for testing if new min/max values are equal.
14126 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14127 using range information until after propagation and folding.
14129 2006-01-18 Richard Henderson <rth@redhat.com>
14130 Aldy Hernandez <aldyh@redhat.com>
14131 Jakub Jelinek <jakub@redhat.com>
14132 Diego Novillo <dnovillo@redhat.com>
14134 * omp-low.c: New file.
14135 * c-omp.c: New file.
14137 2006-01-18 Richard Henderson <rth@redhat.com>
14138 Jakub Jelinek <jakub@redhat.com>
14139 Diego Novillo <dnovillo@redhat.com>
14141 * doc/invoke.texi: Document -fopenmp.
14142 * tree-dump.h (debug_function): Declare.
14143 * hooks.c (hook_bool_tree_bool_false): New function.
14144 (hook_tree_tree_null): Remove.
14145 (hook_tree_tree_tree_null): New.
14146 * hooks.h: Update to match.
14147 * tree-pretty-print.c (debug_tree_chain): New.
14148 (print_generic_expr): Handle TDF_CHAIN.
14149 (dump_generic_node): Handle BLOCK.
14150 Do not abort with incomplete SWITCH_EXPRs.
14151 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14152 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14153 print space after directive name.
14154 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14155 Handle OMP_MASTER and OMP_ORDERED.
14156 Handle printing of OMP_BODY just in one place, goto
14157 dump_omp_body in the rest of OMP_* nodes that have
14159 Don't handle clause nodes here. Update omp statements to
14160 use dump_omp_clauses.
14161 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14162 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14163 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14164 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14165 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14166 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14167 Adjust output for GOMP_PARALLEL.
14168 (dump_omp_clauses): New.
14169 (print_declaration): Dump DECL_VALUE_EXPR.
14170 (op_symbol_1): Split out of op_symbol.
14171 (dumping_stmts): Remove. Update all users.
14172 * cgraph.c (cgraph_analyze_queue): New.
14173 (cgraph_add_new_function): New.
14174 * cgraph.h (cgraph_analyze_queue): Declare.
14175 (cgraph_add_new_function): Declare.
14176 (cgraph_lower_function): Remove.
14177 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14178 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14179 and TYPE_P nodes in its default clause.
14180 (empty_body_p): New.
14181 (tree_range_check_failed): New.
14182 (build5_stat): New.
14183 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14184 OMP_CLAUSE_REDUCTION_MERGE,
14185 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14186 OMP_CLAUSE_PRIVATE_DEBUG,
14187 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14188 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14189 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14190 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14191 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14192 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14193 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14194 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14195 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14196 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14197 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14198 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14199 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14200 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14201 (TREE_RANGE_CHECK): New.
14202 (empty_body_p): Declare.
14203 (enum omp_clause_default_kind): New.
14204 (build_string_literal): Declare.
14205 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14206 (build5_stat, build5): Declare.
14207 * tree-pass.h (TDF_CHAIN): Define.
14208 * tree-pass.h (PROP_gimple_lomp): Define.
14209 (pass_lower_omp): Declare.
14210 * diagnostic.h (debug_tree_chain): Declare.
14211 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14213 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14214 * builtins.c (build_string_literal): Make extern.
14215 * gcc.c (include_spec_function): New.
14216 (static_spec_functions): Add it.
14217 (main): Move load of libgomp.spec ...
14218 (LINK_COMMAND_SPEC): ... here.
14219 (link_gomp_spec): New.
14220 (static_specs): Include it.
14221 (LINK_COMMAND_SPEC): Add link_gomp.
14222 (GOMP_SELF_SPECS): New.
14223 (driver_self_specs): Include it.
14224 (switch_matches): Don't mark inline.
14225 (main): Load libgomp.spec.
14226 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14227 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14228 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14229 * tree-gimple.h (enum omp_parallel): Declare.
14230 (determine_parallel_type): Declare.
14231 (omp_firstprivatize_variable): Declare.
14232 (omp_reduction_init): Declare.
14233 (diagnose_omp_structured_block_errors): Declare.
14234 (struct walk_stmt_info): Add want_return_expr.
14235 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14236 (find_omp_clause): Declare.
14237 (insert_field_into_struct): Declare.
14238 (struct walk_stmt_info): Move from tree-nested.c
14239 (walk_stmts): Declare.
14240 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14242 * cgraphunit.c (cgraph_lower_function): Make static.
14243 (cgraph_finalize_pending_functions): New.
14244 (cgraph_finalize_function): Call it.
14245 (cgraph_finalize_compilation_unit): Likewise.
14246 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14247 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14248 (BT_FN_UINT_UINT): New.
14249 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14250 DEF_FUNCTION_TYPE_VAR_4): Document.
14251 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14252 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14253 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14254 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14255 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14256 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14257 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14258 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14259 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14260 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14261 into separate files.
14262 (DEF_GOMP_BUILTIN): New.
14263 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14264 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14265 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14266 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14267 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14268 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14269 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14270 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14271 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14272 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14273 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14274 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14275 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14276 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14277 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14278 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14279 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14280 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14281 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14282 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14283 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14284 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14285 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14286 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14287 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14288 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14289 * sync-builtins.def: New file, moved from builtins.def.
14290 * omp-builtins.def: New file, moved from builtins.def.
14291 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14292 * gimple-low.c (lower_function_body): Clear data.
14293 (lower_stmt): Do not handle COMPOUND_EXPR.
14294 Remove call to print_node_brief.
14295 * c-tree.h (c_finish_omp_clauses): New prototype.
14296 (C_DECL_THREADPRIVATE_P): Define.
14297 (lookup_name_no_remap, c_omp_remap_private): Remove
14298 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14299 (check_for_loop_decls): Update decl.
14300 (lookup_name_no_remap, c_omp_remap_private): Declare.
14301 (build_indirect_ref, build_modify_expr, pushdecl,
14302 pushdecl_top_level): Move to c-common.h.
14303 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14304 before the switch, but just in the 2 places that need it.
14305 * c-decl.c (diagnose_mismatched_decls): Do not check for
14306 mismatched thread-local attributes when OLDDECL is marked
14307 threadprivate and NEWDECL has no thread-local attributes.
14308 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14309 (c_gimple_diagnostics_recursively): Rename from
14310 c_warn_unused_result_recursively. Invoke
14311 diagnose_omp_structured_block_errors.
14312 (check_for_loop_decls): Return a singular decl found.
14313 * langhooks.c (lhd_omp_predetermined_sharing): Return
14314 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14315 (lhd_omp_firstprivatize_type_sizes): New.
14316 (lhd_omp_assignment): New.
14317 (lhd_omp_predetermined_sharing): New.
14318 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14319 (struct lang_hooks_for_types): Add
14320 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14321 omp_predetermined_sharing, omp_disregard_value_expr,
14322 omp_private_debug_clause, omp_clause_default_ctor,
14323 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14324 (c_finish_omp_clauses): New.
14325 (c_finish_bc_stmt): Diagnose break within omp for.
14326 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14327 (build_unary_op): Return error_mark after reporting
14329 (build_modify_expr): Likewise.
14330 * gimplify.c: Include optabs.h and pointer-set.h.
14331 (enum gimplify_omp_var_data): Declare.
14332 (struct gimplify_omp_ctx): Declare.
14333 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14335 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14336 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14337 (splay_tree_compare_decl_uid): New.
14338 (new_omp_context): New.
14339 (delete_omp_context): New.
14340 (gimple_add_tmp_var): Call omp_add_variable.
14341 (gimplify_bind_expr): Likewise.
14342 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14343 true, disregard DECL_VALUE_EXPR on the decl if any.
14344 (gimplify_expr_in_ctx): New.
14345 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14346 omp_add_variable, omp_notice_variable, omp_is_private
14347 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14348 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14349 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14350 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14351 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14352 gimplify_omp_atomic): New.
14353 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14354 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14355 OMP_CRITICAL and OMP_ATOMIC.
14356 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14357 * c-pragma.h (enum pragma_kind): Add
14358 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14359 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14360 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14361 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14362 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14363 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14364 PRAGMA_OMP_THREADPRIVATE.
14365 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14366 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14367 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14368 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14369 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14370 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14371 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14372 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14373 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14374 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14375 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14376 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14377 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14379 (struct nesting_info): Add field_map,
14380 suppress_expansion, debug_var_chain.
14381 (create_nesting_tree): Initialize them.
14382 (lookup_field_for_decl): Use field_map.
14383 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14384 (convert_local_omp_clauses): New.
14385 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14386 (walk_body): Split out of walk_function.
14387 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14388 (convert_nonlocal_reference): Handle omp statements.
14389 (convert_local_reference): Likewise.
14390 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14391 (unnest_nesting_tree): New.
14392 (lower_nested_functions): Call it.
14393 (insert_field_into_struct): Make extern.
14394 (struct walk_stmt_info): Move to tree-gimple.h.
14395 (walk_stmts): Make extern.
14396 * omp-builtins.def: New file.
14397 * tree-iterator.c (expr_only): Clarify comment.
14398 * c-common.h (pushdecl_top_level, pushdecl,
14399 build_modify_expr, build_indirect_ref,
14400 c_finish_omp_master, c_finish_omp_critical,
14401 c_finish_omp_ordered, c_finish_omp_barrier,
14402 c_finish_omp_atomic, c_finish_omp_flush,
14403 c_finish_omp_for, c_split_parallel_clauses,
14404 omp_clause_default_kind, c_omp_sharing_predetermined,
14405 c_omp_remap_decl): Declare.
14406 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14407 (OBJS-common): Add omp-low.o.
14408 (c-omp.o, omp-low.o): Add.
14409 (gimplify.o): Add dependency on $(OPTABS_H).
14410 (GTFILES): Add omp-low.c.
14411 (gt-stringpool.h): Add.
14412 * tree-cfg.c (set_bb_for_stmt): Do not update the
14413 block-to-labels map if we are currently expanding to RTL.
14414 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14416 Handle IDENTIFIER_NODE.
14417 (tree_verify_flow_info): Do not ICE when emitting error
14418 messages about invalid labels.
14419 (dump_function_to_file): Reset CFUN before emitting the body
14421 (debug_function): New.
14422 * passes.c (init_optimization_passes): Schedule
14424 * langhooks-def.h (lhd_omp_predetermined_sharing,
14425 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14427 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14428 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14429 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14430 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14431 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14432 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14433 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14434 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14435 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14436 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14437 (LANG_HOOK_DECLS): Use them.
14439 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14440 Richard Henderson <rth@redhat.com>
14441 Jakub Jelinek <jakub@redhat.com>
14442 Diego Novillo <dnovillo@redhat.com>
14444 * c-parser.c (pragma_omp_clause): Define.
14445 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14446 (c_parser_compound_statement): Likewise.
14447 (c_parser_statement): Likewise.
14448 (c_parser_pragma): Handle omp pragmas.
14449 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14450 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14451 (c_parser_omp_clause_name, check_no_duplicate_clause,
14452 c_parser_omp_variable_list,
14453 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14454 c_parser_omp_clause_copyprivate,
14455 c_parser_omp_clause_default,
14456 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14457 c_parser_omp_clause_lastprivate,
14458 c_parser_omp_clause_nowait,
14459 c_parser_omp_clause_num_threads,
14460 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14461 c_parser_omp_clause_reduction,
14462 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14463 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14464 c_parser_omp_atomic, c_parser_omp_barrier,
14465 c_parser_omp_critical, c_parser_omp_flush,
14466 c_parser_omp_for_loop, c_parser_omp_for,
14467 c_parser_omp_master, c_parser_omp_ordered,
14468 c_parser_omp_sections_scope, c_parser_omp_sections,
14469 c_parser_omp_parallel, c_parser_omp_single,
14470 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14471 * c-pragma.c (init_pragma): Do omp pragma registration here.
14472 * c.opt (fopenmp): New flag.
14474 2006-01-18 Eric Christopher <echristo@apple.com>
14476 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14477 * config/darwin.h (GOMP_SELF_SPECS): Define.
14479 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14481 * rtl.h: Remove the prototype for reg_alloc.
14483 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14486 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14487 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14488 sjlj and dwarf2 exception handling.
14489 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14490 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14491 * pa/pa.c (function_value): Treat complex and vector types as
14493 (function_arg): Likewise. Only pass scalar floats in the floating
14494 point argument registers.
14495 * pa/t-slibgcc-dwarf-ver: New file.
14496 * pa/t-slibgcc-sjlj-ver: New file.
14497 * pa/t-slibgcc-elf-ver: Delete file.
14499 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14501 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14502 unlikely_test_section_p test.
14504 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14506 * mode-switching.c (optimize_mode_switching): Make it static.
14507 * basic-block.h: Remove the prototype for
14508 optimize_mode_switching.
14510 * modulo-sched.c (sms_schedule): Make it static.
14511 * rtl.h: Remove the prototype for sms_schedule.
14513 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14514 * rtl.h: Remove the prototype for gcse_after_reload_main.
14516 * reg-stack.c (reg_to_stack): Make it static.
14517 * rtl.h: Remove the prototype for reg_to_stack.
14519 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14521 * rtl.h: Remove the prototypes for regrename_optimize and
14522 copyprop_hardreg_forward.
14524 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14526 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14527 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14528 Test against the appropriate null constant for the mode.
14529 If 'fixup_overlap' is true, swap the operands if they overlap.
14530 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14531 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14532 alpha_split_tmode_pair and adjust for above change.
14533 * config/alpha/alpha.md (movtf_internal): Adjust call to
14534 alpha_split_tfmode_pair and rely on it to swap the operands.
14535 (movti_internal): New insn and post-reload splitter.
14536 (movti): New expander.
14538 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14540 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14543 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14545 * rtlanal.c (global_reg_mentioned_p_1,
14546 global_reg_mentioned_p): Remove.
14547 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14549 * flow.c (initialize_uninitialized_subregs): Make it static.
14550 * rtl.h: Remove the prototype for
14551 initialize_uninitialized_subregs.
14553 * function.c (instantiate_virtual_regs): Make it static.
14554 * function.h: Remove the prototype for
14555 instantiate_virtual_regs.
14557 * regmove.c (regmove_optimize, combine_stack_adjustments):
14559 * rtl.h: Remove the prototypes for regmove_optimize and
14560 combine_stack_adjustments.
14562 2006-01-17 Roger Sayle <roger@eyesopen.com>
14564 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14565 (size_cost): Encode costs in bytes so that a reg-reg addition is
14566 equivalent to COSTS_N_INSNS(1).
14567 (override_options): Use the size_cost.branch_cost as the default
14568 ix86_branch_cost when optimizing for size.
14570 2006-01-18 Ben Elliston <bje@au.ibm.com>
14572 * Makefile.in (D32PBIT_FUNCS): New.
14573 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14574 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14575 D64PBIT_FUNCS and D128PBIT_FUNCS.
14576 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14577 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14579 (decnumber_dep): Define.
14580 * doc/libgcc.texi (Decimal float library routines): New node.
14581 * config/dfp-bit.h, config/dfp-bit.c: New files.
14583 2006-01-18 Ben Elliston <bje@au.ibm.com>
14585 * expr.c (emit_move_change_mode): Always adjust addresses, not
14586 just during reload. Copy replacements only during reload.
14587 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14588 emit_move_via_integer.
14590 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14592 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14593 instead of $(srcdir) and ${srcdir}.
14595 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14598 PR middle-end/11135
14599 * arm.h (struct machine_function): Add pic_reg.
14600 * arm.c (arm_pic_register): Make unsigned.
14601 (arm_override_options): Only set arm_pic_register if
14602 TARGET_SINGLE_PIC_BASE.
14603 (use_return_insn): Only test for a pic register if it is fixed.
14604 (arm_compute_save_reg0_reg12_mask): Likewise.
14605 (thumb_compute_save_reg_mask): Likewise.
14606 (legitimate_pic_operand): Factor out some known invariants.
14607 (legitimize_pic_address): If we don't have a fixed pic register,
14608 then set up a pseudo in the function entry sequence. Handle the
14609 pic base being in a pseudo.
14610 (arm_load_pic_register): Handle the pic register being in a pseudo.
14611 (arm_expand_prologue): Only set up the pic register if it is fixed.
14612 (thumb_expand_prologue): Likewise.
14613 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14614 (pic_load_addr_based_insn): Likewise.
14615 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14618 2006-01-18 Ben Elliston <bje@au.ibm.com>
14620 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14621 decimal float modes for all floating point registers.
14623 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14624 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14626 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14629 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14630 even when the pointer is not NULL.
14632 2006-01-16 Ian Lance Taylor <ian@airs.com>
14634 * common.opt (ftoplevel-reorder): New option.
14635 * cgraph.c (cgraph_asm_nodes): New global variable.
14636 (cgraph_asm_last_node): New static variable.
14637 (cgraph_order): New global variable.
14638 (cgraph_create_node): Set new order field.
14639 (cgraph_varpool_node): Likewise.
14640 (decide_is_variable_needed): Return true if not
14641 flag_toplevel_reorder.
14642 (cgraph_add_asm_node): New function.
14643 * cgraph.h (struct cgraph_node): Add order field.
14644 (struct cgraph_varpool_node): Add order field.
14645 (struct cgraph_asm_node): Define.
14646 (cgraph_asm_nodes, cgraph_order): Declare.
14647 (cgraph_add_asm_node): Declare.
14648 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14650 (cgraph_varpool_assemble_pending_decls): Call it.
14651 (cgraph_output_pending_asms): New static function.
14652 (cgraph_finalize_compilation_unit): Call it.
14653 (struct cgraph_order_sort): Define.
14654 (cgraph_output_in_order): New static function.
14655 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14656 !flag_toplevel_reorder case.
14657 * c-parser.c: Include "cgraph.h".
14658 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14660 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14661 than -fno-unit-at-a-time.
14662 * doc/invoke.texi (Option Summary): Mention
14663 -fno-toplevel-reorder.
14664 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14665 -funit-at-a-time documentation.
14667 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14668 Kazu Hirata <kazu@codesourcery.com>
14670 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14672 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14674 * Makefile.in (FUNCTION_H): New. Use it instead of
14675 function.h throughout the file.
14676 * function.h: Include tree.h.
14678 2006-01-17 Ben Elliston <bje@au.ibm.com>
14680 * recog.c: Separate some functions with whitespace.
14682 2006-01-16 Richard Henderson <rth@redhat.com>
14684 Merge from gomp branch:
14685 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14686 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14687 and rename from struct inline_data. Rename callee* to dst*;
14688 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14689 transform_new_cfg, transform_return_to_modify, and
14690 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14692 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14693 (copy_decl_for_dup): Remove.
14694 * tree-inline.c (struct inline_data): Move to header.
14695 (insert_decl_map): Export.
14696 (remap_decl): Update for member name changes. Use copy_decl hook.
14697 Allow for replacement to be a non-decl. Remove dead code.
14698 (remap_type_1): Check for existing mapping.
14699 (remap_type): Export.
14700 (remap_decls): Update for member name changes.
14701 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14702 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14703 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14704 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14705 (tree_function_versioning, build_duplicate_type): Likewise.
14706 (copy_body_r): Likewise. Export.
14707 (copy_decl_for_dup): Split into ...
14708 (copy_decl_for_dup_finish, copy_decl_to_var,
14709 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14710 (replace_ref_tree, inlining_p): Remove.
14712 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14714 * ifcvt.c (if_convert): Make it static.
14715 * rtl.h: Remove the prototype for if_convert.
14717 * local-alloc.c (local_alloc): Make it static.
14718 * rtl.h: Remove the prototype for local_alloc.
14720 * loop.c (loop_optimize): Make it static.
14721 * cfgloop.h: Remove the prototype for loop_optimize.
14724 2006-01-16 DJ Delorie <dj@redhat.com>
14726 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14729 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14731 * pa.md: Disparage copies between general and floating-point registers
14732 in 32-bit move patterns.
14734 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14737 * Makefile.in (check-%): Depend on site.exp instead of
14738 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14741 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14743 * global.c (global_alloc): Make it static.
14744 * rtl.h: Remove the prototype for global_alloc.
14746 2006-01-16 Richard Guenther <rguenther@suse.de>
14748 * tree-ssa-alias.c (struct used_part): Add write_only field.
14749 (get_or_create_used_part_for): Initialize it to true.
14750 (create_overlap_variables_for): Don't create structure variables
14751 for structures that only are written to.
14752 (find_used_portions): Handle MODIFY_EXPR to track whether a
14753 structure is only written to.
14755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14757 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14759 * basic-block.h: Remove the prototype for
14760 partition_hot_cold_basic_blocks.
14762 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14764 * cppspec.c (lang_specific_spec_functions): Remove.
14765 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14766 * gcc.h (lang_specific_spec_functions): Remove.
14767 * gccspec.c (lang_specific_spec_functions): Remove.
14769 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14771 * combine.c (record_value_for_reg): Invalidate registers
14773 (record_dead_and_set_regs_1): Likewise, by passing them to
14774 record_value_for_reg.
14775 (record_dead_and_set_regs): Invalidate stores made by a
14776 call. We do not combine across a call, but we still
14777 relied on equivalences.
14779 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14781 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14782 vrp_int_const_binop returning non-constant nodes.
14784 2006-01-16 Paul Brook <paul@codesourcery.com>
14786 * config/m68k/m68k.c (output_move_const_into_data_reg):
14787 Output correct mnemonic for mvz and mvs.
14789 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14791 * rtl-factoring.c: Add sequence abstraction algorithm.
14792 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14793 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14795 (block_has_preserve_label): New function.
14796 * common.opt: Register new pass.
14797 * Makefile.in: Ditto.
14799 * timevar.def: Ditto.
14800 * tree-pass.h: Ditto.
14801 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14802 * rtl.h (make_jump_insn_raw): Add forward decl.
14803 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14805 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14806 Roger Sayle <roger@eyesopen.com>
14808 * fold-const.c (fold_minmax): New static function.
14809 (fold_binary) <MIN_EXPR>: Call it.
14810 <MAX_EXPR>: Likewise.
14811 * stor-layout.c (place_field): Use DECL_SIZE consistently
14812 in the computation of the new record size.
14814 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14816 * cse.c (cse_condition_code_reg): Make it static.
14817 * rtl.h: Remove the prototype for cse_condition_code_reg.
14819 * combine.c (combine_instructions): Make it static.
14820 * rtl.h: Remove the prototype for combine_instructions.
14822 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14825 * tree.c (get_file_function_name_long): Concatenate the first global
14826 object name with a string derived from the input filename of the object
14829 2006-01-16 Ben Elliston <bje@au.ibm.com>
14831 * config/i386/winnt-stubs.c: Update FSF address.
14832 * config/xtensa/ieee754-df.S: Ditto.
14833 * config/xtensa/ieee754-sf.S: Ditto.
14835 2006-01-14 Ian Lance Taylor <ian@airs.com>
14837 * ifcvt.c (noce_init_if_info): New static function, broken out of
14838 noce_process_if_block.
14839 (noce_process_if_block): Call noce_init_if_info.
14840 (check_cond_move_block): New static function.
14841 (cond_move_process_if_block): New static function.
14842 (process_if_block): Call cond_move_process_if_block.
14844 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14846 * cselib.c (hash_table): Rename to cselib_hash_table.
14847 (cselib_clear_table, discard_useless_values,
14848 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14849 cselib_init, cselib_finish): Adjust uses of hash_table.
14851 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14853 PR tree-optimization/25485
14854 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14855 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14856 is known to be false and true, respectively.
14858 2006-01-14 Richard Guenther <rguenther@suse.de>
14860 PR tree-optimization/22548
14861 PR tree-optimization/22555
14862 PR tree-optimization/22501
14863 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14864 * params.def (salias-max-array-elements): New parameter.
14865 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14866 * doc/invoke.texi (salias-max-array-elements): Document.
14867 * tree-flow-inline.h (var_can_have_subvars): We also handle
14869 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14871 * tree-ssa-structalias.c (params.h): Include.
14872 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14873 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14874 (get_constraint_for): For ADDR_EXPR operating on something
14875 containing an ARRAY_REF, add all subvars to the solution.
14876 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14877 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14878 for creating MUST_DEFs.
14879 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14881 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14883 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14885 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14886 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14887 number_of_iterations_le): New functions.
14888 (number_of_iterations_special): Removed.
14889 (number_of_iterations_exit): Do not use number_of_iterations_special.
14890 * tree.c (unsigned_type_for): Always return integer type.
14892 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14893 Richard Guenther <rguenther@suse.de>
14895 PR rtl-optimization/24257
14896 * gcse.c (find_moveable_store): Only consider a store movable
14897 when the SET_SRC of the insn can be assigned to a register.
14899 2006-01-14 Ian Lance Taylor <ian@airs.com>
14901 * tree.c (tree_not_class_check_failed): New function.
14902 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14903 (tree_not_class_check_failed): Declare.
14905 2006-01-13 Ian Lance Taylor <ian@airs.com>
14907 * reload1.c (do_output_reload): Add assertion rejecting a
14910 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14912 * combine.c (struct reg_stat): Add new fields truncation_label and
14914 (record_value_for_reg): Reset truncated_to_mode.
14915 (record_truncated_value): New function.
14916 (check_promoted_subreg): Call it. Rename to check_conversions.
14917 (combine_instructions): Rename check_promoted_subreg to
14919 (reg_truncated_to_mode): New function.
14920 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14921 (gen_lowpart_or_truncate): New function.
14922 (force_to_mode): Use it instead of gen_lowpart.
14924 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14926 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14927 VAR is a tag, not its type tag.
14929 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14931 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14932 alternatives to match style of other entries.
14933 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14935 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14937 PR tree-optimization/25771
14938 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14941 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14944 * tree-inline.c (declare_return_variable): If the return variable
14945 was marked as a non gimple complex, set the return slot variable
14946 to be a non gimple comple variable.
14948 2006-01-13 Richard Guenther <rguenther@suse.de>
14950 * builtins.c (expand_builtin_sincos): New function.
14951 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14953 (expand_builtin): Expand sincos using expand_builtin_sincos.
14955 2006-01-12 DJ Delorie <dj@redhat.com>
14957 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14958 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14959 so that constant shifts can be split.
14960 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14961 (m32c_valid_pointer_mode): Make static.
14962 (shift_gen_func_for): New.
14963 (m32c_prepare_shift): Use it. Split large const shifts into
14965 * config/m32c/predicates.md (shiftcount_operand): Allow more
14967 (longshiftcount_operand): New.
14968 * doc/md.texi (Machine Constraints): Document In6.
14970 2006-01-13 Ben Elliston <bje@au.ibm.com>
14972 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14973 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14976 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14978 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14979 to try to avoid clobbering pieces of structures when we know
14980 something about the whole structure.
14981 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14983 2006-01-13 Ben Elliston <bje@au.ibm.com>
14985 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14986 return in memory, as this is no limitation is no longer present.
14988 2006-01-12 DJ Delorie <dj@redhat.com>
14990 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14991 mova with fb, and for fb+0 -> An.
14993 * config/m32c/mov.md (peephole2): Fix enabling logic.
14995 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14996 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14997 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14998 FINI_ARRAY_SECTION_ASM_OP): Define.
15000 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15002 (m32c_legitimize_reload_address): New logic to reload FB to An.
15003 (m32c_output_reg_push): Add newline.
15004 (m32c_output_reg_pop): Likewise.
15006 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15008 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15010 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15012 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15014 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15016 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15019 2006-01-11 Ben Elliston <bje@au.ibm.com>
15021 * rtlanal.c (find_reg_note): Assert insn is not null.
15023 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15025 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15028 2006-01-11 Jeff Law <law@redhat.com>
15030 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15032 (mark_threaded_blocks, register_jump_thread): New functions.
15033 (thread_through_all_blocks): Remove unwanted argument. No
15034 longer rely on e->aux to communicate thread target info.
15035 Call mark_threaded_blocks. Release the threaded_blocks
15036 bitmap and threaded_edges vector when complete.
15037 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15038 (threaded_blocks): Remove.
15039 (tree_ssa_dominator_optimize): Remove initialization and
15040 finalization of threaded_blocks. Simplify call to
15041 thread_through_all_blocks.
15042 (thread_across_edge): Call register_jump_thread rather than
15043 storing thread information into e->aux.
15044 (free_all_edge_infos): Simplify now that e->aux is no longer
15045 used to communicate with thread_through_all_blocks.
15046 * tree-flow.h (thread_through_all_blocks): Update prototype.
15047 (register_jump_thread): Prototype.
15049 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15051 * df-core.c (df_compact_blocks, df_bb_replace): Use
15052 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15054 2006-01-11 Richard Guenther <rguenther@suse.de>
15056 PR tree-optimization/25734
15057 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15058 stop propagation after successful propagation to the LHS.
15060 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15062 * basic-block.h (control_flow_graph): Change the type of
15063 x_basic_block_info to VEC(basic_block,gc) *.
15064 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15066 (SET_BASIC_BLOCK): New.
15067 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15068 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15069 * cfgbuild.c (find_basic_blocks): Likewise.
15070 * cfglayout.c (fixup_reorder_chain): Likewise.
15071 * cfgrtl.c (create_basic_block_structure,
15072 rtl_create_basic_block): Likewise.
15073 * ifcvt.c (find_if_case_1): Likewise.
15074 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15077 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15079 * Makefile.in: Removed rotted odf.c entry.
15081 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15084 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15085 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15086 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15087 output pattern modifier, not %e.
15088 * config/cris/cris.c (cris_op_str): Update comment about pattern
15090 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15091 before falling through into...
15092 <case 'E'>: Redefined from old 'e' case.
15094 2006-01-11 Jan Hubicka <jh@suse.cz>
15097 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15099 2006-01-11 Jan Hubicka <jh@suse.cz>
15101 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15102 * i386.c (x86_decompose_lea): Kill.
15103 (ix86_rtx_costs): Kill.
15105 2006-01-11 Jan Hubicka <jh@suse.cz>
15107 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15108 * cgraph.h (cgraph_node): Add inline_decl.
15109 (cgraph_insert_node_to_hashtable): Declare.
15110 (save_inline_function_body): Declare.
15111 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15113 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15114 (cgraph_function_versioning): Update call of tree_function_versioning.
15115 (save_inline_function_body): New function.
15116 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15117 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15118 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15119 (cgraph_default_inline_p): Likewise.
15120 (cgraph_decide_inlining_incrementally): Likewise.
15121 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15122 (copy_bb): Kill saving; do updating of clones.
15123 (copy_cfg_body): Kill saving.
15124 (initialize_inlined-parameters): Likewise.
15125 (expand_call_inline): Likewise.
15127 (tree_function_versioning): New parameter "update_clones".
15128 (inlining_p): Kill saving.
15129 * tree-inline.h (tree_function_versioning): Update prototype.
15130 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15133 2006-01-11 Ian Lance Taylor <ian@airs.com>
15135 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15136 Allow undoing set of machine mode.
15137 (do_SUBST): Use enums instead of is_int.
15138 (do_SUBST_MODE): New function.
15139 (SUBST_MODE): New macro.
15140 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15141 reg and trying to replace reg_regno_rtx with a new register.
15142 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15143 (simplify_set): Use SUBST_MODE.
15144 (distribute_notes): Remove code that tried to update reg notes
15145 for regno_reg_rtx changes.
15147 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15149 PR tree-optimization/23109
15150 PR tree-optimization/23948
15151 PR tree-optimization/24123
15153 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15154 * tree-cfg.c (single_noncomplex_succ): New.
15155 * tree-flow.h (single_noncomplex_succ): Declare it.
15156 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15157 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15158 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15159 insert_bb, register_division_in, insert_reciprocals,
15160 replace_reciprocal, free_bb): New.
15161 (execute_cse_reciprocals_1): Rewritten.
15162 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15163 Do not commit any edge insertion. Always compute dominators and
15164 create the allocation pool.
15165 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15166 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15167 * targhooks.c (default_min_divistions_for_recip_mul): New.
15168 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15169 * passes.c (init_optimization_passes): Run recip after tree loop
15171 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15173 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15174 Kenneth Zadeck <zadeck@naturalbridge.com>
15176 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15177 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15178 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15179 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15180 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15181 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15182 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15183 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15184 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15185 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15186 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15187 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15188 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15189 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15190 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15191 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15192 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15193 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15194 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15195 DF_SCAN_POST_ALLOC): New macros.
15196 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15197 df_free_bb_function, df_local_compute_function, df_init_function,
15198 df_dataflow_function, df_confluence_function_0,
15199 df_confluence_function_n, df_transfer_function,
15200 df_finalizer_function, df_free_function, df_dump_problem_function,
15201 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15202 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15203 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15204 df_urec_bb_info, ) New types.
15205 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15207 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15208 df_analyze_simple_change_some_blocks,
15209 df_analyze_simple_change_one_block, df_compact_blocks,
15210 df_bb_replace, df_bb_regno_last_use_find,
15211 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15212 df_insn_regno_def_p, df_find_def, df_find_use,
15213 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15214 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15215 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15216 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15217 debug_df_chain, df_get_dependent_problem, df_chain_create,
15218 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15219 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15220 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15221 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15222 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15223 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15224 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15225 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15226 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15227 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15228 df_reorganize_refs, df_set_state, df_hard_reg_init,
15229 df_read_modify_subreg_p) New public functions.
15230 * df-core.c: The core dataflow solver and glue routines for rtl
15232 (df_init, df_add_problem, df_set_blocks, df_finish,
15233 df_hybrid_search_forward, df_hybrid_search_backward,
15234 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15235 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15236 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15237 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15238 df_reg_defined, df_find_use, df_reg_used, df_dump,
15239 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15240 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15241 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15242 debug_df_useno, reset_df_after_reload): New functions.
15243 * df-scan.c: The scanning fuctions, once in df.c, completely
15244 rewritten so that they now fully model the functionality of
15245 register usage at the backend.
15246 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15247 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15248 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15249 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15250 df_get_artificial_defs, df_get_artificial_uses,
15251 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15252 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15253 df_refs_delete, df_reorganize_refs, df_set_state,
15254 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15255 df_def_record_1, df_defs_record, df_uses_record,
15256 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15257 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15258 df_record_exit_block_uses, df_hard_reg_init): New functions.
15260 * df-problems.c: Seven concrete dataflow problems that use the
15261 scanning in df-scan.c and are solved by the engine in df-core.c.
15262 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15263 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15264 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15265 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15266 df_ru_free_bb_info, df_ru_alloc,
15267 df_ru_bb_local_compute_process_def,
15268 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15269 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15270 df_ru_transfer_function, df_ru_free, df_ru_dump,
15271 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15272 df_rd_free_bb_info, df_rd_alloc,
15273 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15274 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15275 df_rd_transfer_function, df_rd_free, df_rd_dump,
15276 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15277 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15278 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15279 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15280 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15281 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15282 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15283 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15284 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15285 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15286 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15287 df_urec_mark_reg_use_for_earlyclobber,
15288 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15289 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15290 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15291 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15292 df_chain_create_bb_process_use, df_chain_create_bb,
15293 df_chain_finalize, df_chain_free, df_chains_dump,
15294 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15295 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15296 df_reg_lifetime): New functions.
15297 * df.c: Deleted file.
15298 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15299 consistent with new df api.
15300 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15301 rest_of_handle_sms): Ditto.
15302 * web.c (unionfind_union, union_defs, entry_register, web_main):
15304 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15305 invariant_expr_equal_p, find_defs, check_dependencies,
15306 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15307 free_inv_motion_data, move_loop_invariants): Ditto.
15308 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15309 Update dependencies.
15310 (odf.c): Added defective entry that was deleted later in day.
15311 * sched-deps.c (sched_analyze_1): Ditto.
15313 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15315 * tree-ssa-operands.c (get_expr_operands): Record addressable
15316 variables directly. Do not call add_stmt_operands for CONST_DECLs
15318 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15319 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15321 2006-01-11 Ben Elliston <bje@au.ibm.com>
15323 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15324 function returns true in the positive case.
15326 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15329 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15330 for SI, DI, SF and DF modes. Add alternatives to copy between
15331 general and floating point registers to the 32-bit patterns.
15332 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15333 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15334 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15335 generating 64-bit code.
15336 * config/pa/pa.c (output_move_double): Handle copies between general
15337 and floating registers.
15339 2006-01-10 Stuart Hastings <stuart@apple.com>
15341 * config/i386/i386.md (set_got): Update.
15342 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15343 (builtin_setjmp_receiver): Mach-O support.
15344 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15345 (GOT_SYMBOL_NAME): Define.
15346 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15347 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15348 * config/i386/i386.c (override_options): Revise for Darwin.
15349 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15350 support. (darwin_x86_file_end): New. (output_set_got): Add label
15351 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15352 * config/i386/i386-protos.h (output_set_got): Likewise.
15353 * config/darwin.c (machopic_legitimize_pic_address): Update
15356 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15358 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15359 when MODE isn't BLKmode.
15361 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15363 PR rtl-optimization/25367
15364 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15366 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15369 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15370 for a negative bound.
15372 2006-01-10 Richard Guenther <rguenther@suse.de>
15374 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15375 Never override with anything constraint.
15377 2006-01-10 Jan Beulich <jbeulich@novell.com>
15379 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15380 256 bits when optimize_size.
15382 2006-01-10 Jan Beulich <jbeulich@novell.com>
15384 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15386 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15387 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15390 2006-01-10 Ben Elliston <bje@au.ibm.com>
15392 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15394 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15395 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15396 (USE_FP_FOR_ARG): Reject decimal float modes.
15397 (function_arg_advance): Likewise.
15398 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15399 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15400 point types in AltiVec vectors.
15401 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15402 (rs6000_libcall_value): Likewise.
15404 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15406 * config/xtensa/ieee754-df.S: New file.
15407 * config/xtensa/ieee754-sf.S: New file.
15408 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15409 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15410 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15412 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15414 * config/sh/predicates.md (binary_float_operator,
15415 binary_logical_operator, commutative_float_operator,
15416 equality_comparison_operator, greater_comparison_operator,
15417 less_comparison_operator, logical_operator,
15418 noncommutative_float_operator, shift_operator,
15419 symbol_ref_operand, unary_float_operator): Remove redundant
15422 2006-01-09 Jeff Law <law@redhat.com>
15424 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15425 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15426 now unused arguments. Callers updated.
15427 (eliminate_redundant_computations): Remove now unused arguments,
15429 (local_fold): Remove, no longer used.
15430 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15432 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15433 (simplify_cond): New function.
15434 (forward_propagate_into_cond): Call simplify_cond.
15436 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15438 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15439 (*vec_extractv2di_1_sse): New.
15441 2006-01-09 Ben Elliston <bje@au.ibm.com>
15443 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15445 2006-01-08 Richard Guenther <rguenther@suse.de>
15447 * tree-ssa-structalias.c (get_constraint_for): Remove
15448 anyoffset argument.
15449 (get_constraint_for_component_ref): Likewise.
15450 (do_deref): Likewise.
15451 (get_constraint_for): Likewise.
15452 (do_structure_copy): Likewise.
15453 (handle_ptr_arith): Likewise.
15454 (find_func_aliases): Likewise. Remove unused need_anyoffset
15457 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15458 Kaz Kojima <kkojima@gcc.gnu.org>
15460 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15461 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15462 (EXTRA_CONSTRAINT_C16): Remove.
15463 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15464 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15465 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15466 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15467 constants of SHmedia. Handle nested constant expressions of
15469 (andcosts): Fix the costs for SHmedia constants.
15470 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15471 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15472 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15473 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15474 (movv4hi_i, movv2si_i): Likewise.
15475 (movsi_const): Adjust the second operand of ior so to match with
15476 the Csu constraint.
15477 (movdi_const, movdi_const_32bit): Likewise.
15478 (movdi_const_16bit+1): Don't sign-extend LOW.
15479 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15481 (*double_shori): Fix the split condition. Use GEN_INT instead
15482 of get_int_mode calls. Mask lower 16-bit of the argument of
15484 (sym2GOTPLT): Remove.
15485 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15487 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15488 instead of EXTRA_CONSTRAINT_C16.
15490 2006-01-07 Ian Lance Taylor <ian@airs.com>
15491 David Edelsohn <edelsohn@gnu.org>
15493 PR rtl-optimization/25662
15494 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15495 for constant operands instead of simplify_gen_binary.
15496 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15497 after trying simplify_binary_operation
15499 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15501 * tree.c (iterative_hash_expr): Hash decls based on UID.
15503 2006-01-06 Eric Christopher <echristo@apple.com>
15505 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15506 (TARGET_UNWIND_EMIT): Fix spelling.
15507 * target.h (gcc_target): Add except_table_label.
15508 * except.c (output_function_exception_table): Use.
15509 * varasm.c (default_emit_except_table_label): New.
15510 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15512 (asm_out): Add here.
15513 * output.h (default_emit_except_table_label): Prototype.
15514 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15515 * config/darwin.c (darwin_emit_except_table_label): Define.
15516 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15518 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15520 PR tree-optimization/18527
15521 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15522 number_of_iterations_special, number_of_iterations_exit):
15523 Move base and step of an iv to a single structure. Add
15524 no_overflow flag, and use it in # of iterations analysis.
15525 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15526 folded_casts argument.
15527 (simple_iv): Pass base and step in a structure. Set no_overflow
15529 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15530 Evaluate expensiveness of computing # of iterations instead of
15531 the final expression.
15532 * tree-scalar-evolution.h (affine_iv): New structure.
15533 (simple_iv): Declaration changed.
15534 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15535 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15536 find_givs_in_stmt): Changed due to simple_iv change.
15538 2006-01-06 Jeff Law <law@redhat.com>
15541 * tree-cfg.c (bsi_replace): Rename final argument from
15542 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15543 change (stmt -> orig_stmt).
15544 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15545 (bsi_remove): Add new argument. Remove EH information
15547 (verify_eh_throw_table_statements): New function.
15548 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15550 * tree-optimize.c (execute_free_cfg_annotations): Verify
15551 the EH throw statement table after removing annotations.
15552 * except.h (verify_eh_throw_table_statements): Prototype.
15553 * tree-flow.h (bsi_remove): Update prototype.
15554 * tree-vrp.c (remove_range_assertions): Add new argument to
15556 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15557 * tree-complex.c (expand_complex_div_wide): Likewise.
15558 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15559 * tree-tailcall.c (eliminate_tailcall): Likewise.
15560 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15561 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15562 * tree-nrv.c (tree_nrv): Likewise.
15563 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15564 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15565 (combine_blocks): Likewise.
15566 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15567 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15568 (cleanup_control_flow): Likewise.
15569 (remove_forwarder_block): Likewise.
15570 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15571 * tree-sra.c (sra_replace): Likewise.
15572 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15573 (forward_propagate_single_use_vars): Likewise.
15574 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15575 * tree-inline.c (expand_call_inline): Likewise.
15576 * tree-vect-transform.c (vect_transform_loop): Likewise.
15577 * tree-outof-ssa.c (rewrite_trees): Likewise.
15578 * tree-cfg.c (make_goto_expr_edges): Likewise.
15579 (cleanup_dead_labels): Likewise.
15580 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15581 (bsi_move_before, bsi_move_after): Likewise.
15582 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15583 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15585 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15588 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15590 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15591 on non gimple variables. Also add checks at the top for decls and
15593 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15595 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15596 and IMAGPART_EXPR for creating MUST_DEFs.
15597 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15598 and NAME_MEMORY_TAG separately from the DECLs.
15600 2006-01-06 Richard Guenther <rguenther@suse.de>
15602 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15603 annotation, if necessary.
15604 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15605 redundant calls to update_stmt.
15606 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15609 2006-01-05 Richard Henderson <rth@redhat.com>
15611 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15613 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15615 * c-typeck.c: Update copyright date.
15617 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15619 * c-typeck.c (build_c_cast): Always warn when casting
15620 from a pointer to an integer of different size, even if
15621 the node was constant.
15623 2006-01-05 Richard Guenther <rguenther@suse.de>
15625 PR tree-optimization/22555
15626 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15627 if one structure field is an array.
15628 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15629 operands even if we found a subvar, but ignore VOPs in this
15631 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15633 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15635 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15637 PR middle-end/24998
15638 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15640 2006-01-05 Richard Guenther <rguenther@suse.de>
15641 Diego Novillo <dnovillo@redhat.com>
15643 * tree-pass.h (TODO_remove_unused_locals): Define.
15644 * gimple-low.c (expand_var_p, remove_useless_vars,
15645 pass_remove_useless_vars): Remove. Update all users.
15646 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15647 (remove_unused_locals): New function.
15648 * tree-flow.h (remove_unused_locals): Declare.
15649 * passes.c (execute_todo): Call remove_unused_locals if
15650 TODO_remove_unused_locals is set.
15651 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15652 * tree-ssa-dce.c (pass_dce): Likewise.
15653 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15655 2006-01-05 Richard Guenther <rguenther@suse.de>
15657 * tree-flow.h (struct fieldoff): Decompose field to
15658 type, size and decl.
15659 * tree-ssa-alias.c (create_sft): Take type as parameter.
15660 (create_overlap_variables_for): Store type, size and decl
15661 in the fieldoff structure.
15662 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15663 of struct fieldoff.
15664 (push_fields_onto_fieldstack): Likewise.
15665 (create_variable_info_for): Likewise. Use offset for the
15666 SFT name if the decl is not available.
15668 2006-01-04 Paul Brook <paul@codesourcery.com>
15670 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15672 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15674 * lambda-code.c (can_put_in_inner_loop): Relax
15676 (can_put_after_inner_loop): New function.
15677 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15678 (perfect_nestify): Change to make copies and modify uses.
15680 2006-01-04 Richard Henderson <rth@redhat.com>
15682 Merge from gomp branch:
15683 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15684 via integer constant.
15685 (pragma_lex): Remove.
15686 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15687 rather than parsing it.
15688 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15689 handle_pragma_extern_prefix): Add %< %> quotes.
15690 (registered_pragmas): New.
15691 (c_register_pragma_1): New.
15692 (c_register_pragma): Use it.
15693 (c_register_pragma_with_expansion): Likewise.
15694 (c_invoke_pragma_handler): New.
15695 (init_pragma): Use cpp_register_deferred_pragma directly for
15697 * c-pragma.h (enum pragma_kind): New.
15698 (pragma_handler): New.
15699 (c_invoke_pragma_handler): Declare.
15700 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15702 * c-common.h (c_common_pch_pragma): Update decl.
15703 * Makefile.in (c-parser.o): Update dependencies.
15704 (GTFILES): Add c-pragma.h.
15705 * c-parser.c (struct c_token): Add pragma_kind.
15706 (struct c_parser): Add in_pragma.
15707 (c_lex_one_token): Always initialize keyword and pragma_kind.
15708 Extract data for CPP_PRAGMA.
15709 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15710 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15711 Don't allow CPP_PRAGMA_EOL if in_pragma.
15712 (c_parser_consume_pragma): New.
15713 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15714 (c_parser_skip_to_end_of_parameter): Likewise.
15715 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15716 (c_parser_skip_to_pragma_eol): New.
15717 (c_parser_external_declaration): Handle CPP_PRAGMA.
15718 (c_parser_compound_statement_nostart): Likewise.
15719 (c_parser_statement_after_labels): Likewise.
15720 (c_parser_pragma): New.
15721 (pragma_lex): Likewise.
15722 (c_parser_pragma_pch_preprocess): New.
15723 (c_parser_new): Merge into ...
15724 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15726 2006-01-04 Jeff Law <law@redhat.com>
15729 * tree-cfg.c (bsi_replace): Remove the original statement
15730 from the EH throw statement table.
15732 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15734 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15735 make the prototype extern "C" and add throw ().
15738 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15739 and pos non-negative and pos + len <= 32.
15740 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15741 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15742 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15745 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15746 as well as sizes not multiple of component size.
15749 * function.c (instantiate_expr): New function.
15750 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15751 walk its DECL_VALUE_EXPR with instantiate_expr.
15753 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15754 DW_OP_deref{,_size} if address isn't going to be added.
15756 2006-01-04 Ben Elliston <bje@au.ibm.com>
15758 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15759 * config/fp-bit.c: Likewise.
15761 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15763 * dominance.c: Add comment about why we use DFS numbering
15766 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15767 Richard Henderson <rth@redhat.com>
15769 Merge from gomp-branch:
15770 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15771 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15773 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15775 PR rtl-optimization/25578
15776 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15777 pass a parameter to simplify_shift_const if changing ASHIFTRT
15780 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15782 * builtins.c (get_builtin_sync_mem): New function.
15783 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15784 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15785 Call get_builtin_sync_mem to generate mem rtx.
15787 2006-01-03 Richard Guenther <rguenther@suse.de>
15790 * stmt.c (add_case_node): Make sure to clear overflow flags
15793 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15795 Merge from gomp-branch.
15796 * config/sparc/sync.md: New file.
15797 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15798 UNSPECV_LDSTUB): New constants.
15799 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15800 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15801 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15804 2006-01-03 Roger Sayle <roger@eyesopen.com>
15806 * combine.c (reg_subword_p): New predicate to test whether the
15807 destination of a set refers to a subword/piece of a register.
15808 (try_combine): Generalize the code to merge the setting of a
15809 pseudo to a constant followed by a set of a subword of that
15810 register to a constant.
15812 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15814 * basic-block.h (control_flow_graph): Change the type of
15815 x_label_to_block_map to VEC(basic_block,gc) *.
15816 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15817 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15819 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15820 VEC(basic_block,heap) *.
15821 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15822 ssa_prop_fini): Adjust the uses of cfg_blocks.
15824 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15826 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15828 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15829 hashing trees instead of a pointer hash.
15830 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15831 compare for MEM_EXPR.
15833 PR rtl-optimization/25130
15834 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15835 when comparing MEMs for GCSE
15837 2006-01-03 Ben Elliston <bje@au.ibm.com>
15839 * targhooks.h (default_decimal_float_supported_p): Declare.
15840 * targhooks.c (default_decimal_float_supported_p): Define.
15841 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15842 `default_decimal_float_supported_p'.
15843 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15845 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15847 * combine.c (apply_distributive_law <SUBREG>): Check
15848 TRULY_NOOP_TRUNCATION.
15850 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15852 * dwarf2out.c (have_switched_text_section): Delete.
15853 (have_multiple_function_sections): New.
15854 (have_location_lists): Make 'bool'.
15855 (add_AT_loc_list): Use 'true' not '1'.
15856 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15857 (output_loc_list): Use have_multiple_function_sections.
15858 (output_ranges): Likewise.
15859 (dwarf2out_begin_function): Set have_multiple_function_sections if
15861 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15862 Check function_section rather than DECL_SECTION_NAME.
15863 (dwarf2out_finish): Use have_multiple_function_sections.
15864 Don't clear have_location_lists.
15866 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15867 Jan Hubicka <jh@suse.cz>
15869 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15870 case of conditional jump jumping to the next instruction.
15871 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15872 cases of conditional jump jumping to the next instruction.
15874 2006-01-02 Jan Hubicka <jh@suse.cz>
15876 * i386.c (*_cost): Add COSTS_N_INSNS.
15877 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15879 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15882 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15884 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15886 * config/arm/arm.c (all_fpus): Fix comment typo.
15887 * config/darwin.c: Likewise.
15888 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15889 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15890 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15892 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15894 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15895 (rs6000_split_compare_and_swapqhi): New.
15896 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15897 (sync_compare_and_swapqhi_internal): New.
15898 * config/rs6000/rs6000-protos.h: Declare.