1 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2 Richard Sandiford <richard@codesourcery.com>
5 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
8 2006-10-16 Geoffrey Keating <geoffk@apple.com>
10 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
11 (DWARF2_FRAME_REG_OUT): Likewise.
12 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
13 (DWARF2_FRAME_REG_OUT): Likewise.
15 2006-10-17 Paul Brook <paul@codesourcery.com>
17 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
19 2006-10-16 Brooks Moses <bmoses@stanford.edu>
21 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
22 Standardize on "GNU Fortran" as the official name of the Fortran
25 2006-10-16 Mike Stump <mrs@apple.com>
27 * doc/invoke.texi (Darwin Options): Document -mkernel.
28 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
30 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
31 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
32 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
33 (OS_MISSING_ALTIVEC): Add.
34 * config/i386/i386.c (override_options): Add
35 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
36 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
37 -mkernel, -static or -mdynamic-no-pic is given.
38 (C_COMMON_OVERRIDE_OPTIONS): Add.
39 * config/darwin.opt (fapple-kext): Add.
41 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
42 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
44 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
45 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
46 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
47 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
48 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
50 (flag_apple_kext): Add.
51 (TARGET_KEXTABI): Add.
52 * config/darwin.c (darwin_handle_kext_attribute): Add.
53 (DARWIN_VTABLE_P): Add.
54 (darwin_binds_local_p): Add partial support for rebinding vtables
56 (darwin_kextabi_p): Add.
57 (darwin_override_options): Add.
58 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
59 (darwin_kextabi_p): Add.
60 (darwin_override_options): Add.
61 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
62 __DYNAMIC__ and __STATIC__ here.
64 2006-10-16 Brooks Moses <bmoses@stanford.edu>
66 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
67 Added mention of "make pdf" target, and Texinfo requirements for
70 2006-10-16 DJ Delorie <dj@redhat.com>
72 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
73 into the GOT in case we need a subreg of the address.
75 2006-10-16 Richard Guenther <rguenther@suse.de>
78 * doc/extend.texi (X86 Built-in Functions): Fix typos in
79 SSE builtin documentation. Document SSE2 builtins.
81 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
83 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
84 symbol in the output file for non-shared links when -nostdlib or
85 -nodefaultlibs isn't specified.
87 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
90 2006-10-15 Jan Hubicka <jh@suse.cz>
93 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
94 declared always_inline even when not inlining.
96 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
97 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
98 Andrew Pinski <pinskia@gmail.com>
101 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
103 2006-10-15 Jan Hubicka <jh@suse.cz>
104 Richard Guenther <rguenther@suse.de>
107 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
108 process_function_and_variable_attributes on all variables, including
109 those discovered during cgraph construction phase.
111 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
113 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
115 2006-10-14 Uros Bizjak <uros@kss-loka.si>
117 * config/i386/athlon.md (athlon_fist): Add fisttp.
119 2006-10-13 David Edelsohn <edelsohn@gnu.org>
120 Ian Lance Taylor <ian@airs.com>
123 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
124 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
127 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
129 * config/score/score.c, config/score/score.h: Fix comment
132 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
135 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
138 2006-10-13 Eric Christopher <echristo@apple.com>
140 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
142 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
145 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
146 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
147 alignment supported by 32-bit ELF.
149 2006-10-13 Eric Christopher <echristo@apple.com>
151 * config/darwin.c (darwin_emit_unwind_label): Strip
152 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
154 2006-10-13 Richard Guenther <rguenther@suse.de>
156 PR tree-optimization/29446
157 * tree-vrp.c (fix_equivalence_set): Remove.
158 (extract_range_from_assert): Do not call fix_equivalence_set.
159 (debug_value_range): Print a newline.
160 (compare_name_with_value): For equivalence sets with
161 inconsistent value ranges conservatively bail out.
162 (compare_names): Likewise.
164 2006-10-13 David Edelsohn <edelsohn@gnu.org>
166 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
167 and MPFR for gfortran.
169 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
171 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
172 alignment supported by 32-bit ELF.
174 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
178 * c-typeck.c (digest_init): Always allow initializing vectors
179 that have static storage duration with compound literals.
180 * tree.c (build_type_attribute_qual_variant): New, based on
181 build_type_attribute_variant.
182 (build_type_attribute_variant): Rewrite using the former.
183 (make_vector_type): Use build_type_attribute_qual_variant to build
184 type variants. Use type_hash_canon on the others.
186 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
187 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
189 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
191 2006-10-12 Jan Hubicka <jh@suse.cz>
194 * c-decl.c (c_make_fname_decl): Do not segfault in case where
195 current_function_decl is set but current_function_scope is not.
197 2006-10-12 Jie Zhang <jie.zhang@analog.com>
199 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
200 emit_insn to emit eh_return_internal instruction.
201 (eh_return_internal): Explicitly set pc.
203 2006-10-11 Richard Guenther <rguenther@suse.de>
205 PR tree-optimization/28230
206 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
207 to the correct place.
209 2006-10-11 Richard Guenther <rguenther@suse.de>
212 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
215 2006-10-10 Brooks Moses <bmoses@stanford.edu>
217 * configure.ac: Added pdf to "Make-hooks"
218 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
219 targets and *.pdf file patterns in cleanup targets.
220 * configure: Regenerated.
222 2006-10-10 Anatoly Sokolov <aesok@post.ru>
224 * config/avr/predicates.md: New file.
225 * config/avr/avr.md: Include it.
226 (REG_SP): New constant.
227 (peepholes): Use predicates.
228 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
229 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
230 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
232 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
234 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
237 2006-10-10 Jakub Jelinek <jakub@redhat.com>
240 * builtins.c (var_decl_component_p): New function.
241 (fold_builtin_memset, fold_builtin_memory_op): Restrict
242 single entry optimization to variables and components thereof.
244 2006-10-10 Richard Guenther <rguenther@suse.de>
246 PR rtl-optimization/29323
247 * except.c (set_nothrow_function_flags): For functions
248 that do not bind local bail out early.
250 2006-10-10 Ben Elliston <bje@au.ibm.com>
252 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
255 2006-10-09 Richard Henderson <rth@redhat.com>
259 2006-10-09 Richard Guenther <rguenther@suse.de>
262 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
265 2006-10-09 Steve Ellcey <sje@cup.hp.com>
268 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
269 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
270 * configure: Regenerate.
271 * config.in: Regenerate.
273 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
275 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
277 2006-10-08 Richard Sandiford <richard@codesourcery.com>
279 * config/mips/mips.c (mips_legitimize_tls_address): Implement
280 all TLS models in the same way as local exec if !TARGET_ABICALLS.
281 Remove stray newline.
283 2006-10-08 Richard Sandiford <richard@codesourcery.com>
285 * config/mips/mips.c (mips_classify_symbol): Do not return
286 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
287 (mips_in_small_data_p): Tweak comments.
289 2006-10-08 Richard Sandiford <richard@codesourcery.com>
291 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
293 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
295 * gimplify.c, sched-int.h: Fix comment typos.
297 * sched-int.h: Fix comment typos.
299 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
301 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
303 * sched-ebb.c (begin_schedule_ready): Use them.
304 * haifa-sched.c (schedule_insn, move_insn, try_ready,
305 add_to_speculative_block, create_check_block_twin, speculate_insn,
306 fix_jump_move, move_block_after_check): Ditto.
307 * sched-rgn.c (new_ready): Ditto.
309 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
311 PR rtl-optimization/29128
312 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
313 * sched-ebb.c (advance_target_bb): Use it to fix condition to
314 allow interblock movement of speculation checks.
316 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
319 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
320 casted to integer type.
321 (get_address_cost): Decrease cost of [symbol + index] addressing modes
322 if they are significantly more expensive than [reg + index] ones.
324 2006-10-06 Jakub Jelinek <jakub@redhat.com>
326 PR tree-optimization/29330
327 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
328 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
329 on newly allocated ddrs.
330 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
331 to VEC (loop_p, heap) pointer.
332 (compute_data_dependences_for_loop): Adjust caller.
333 (free_dependence_relations): Free DDR_LOOP_NEST.
335 * tree-loop-linear.c (linear_transform_loops): Don't forget to
336 free DEPENDENCE_RELATIONS and DATAREFS.
339 * builtins.c (expand_builtin_sync_operation,
340 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
341 Use convert_to_mode to handle promoted arguments.
343 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
345 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
347 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
349 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
351 2006-10-05 Uros Bizjak <uros@kss-loka.si>
353 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
354 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
355 Use <modeconstraint> instead of "r" as operand 1 constraint.
357 2006-10-06 Olivier Hainque <hainque@adacore.com>
359 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
360 Don't recurse on the pointed-to type.
361 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
362 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
363 types with components of variable size.
365 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
367 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
369 2006-10-06 Jakub Jelinek <jakub@redhat.com>
371 PR tree-optimization/29290
372 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
376 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
377 * config/i386/predicates.md (local_symbolic_operand): Likewise.
380 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
381 the number of vector elements fill the rest with zeros.
383 2006-10-05 Richard Sandiford <richard@codesourcery.com>
385 * config/mips/mips.c (mips_pass_by_reference): Do not return false
386 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
389 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
391 * config/bfin/bfin.md (subsi3): Lose expander, change previously
392 unnamed pattern into subsi3. Use correct constraints/predicates.
393 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
394 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
396 2006-10-05 Ira Rosen <irar@il.ibm.com>
398 * doc/loop.texi: Add data references analysis description.
400 2006-10-04 Brooks Moses <bmoses@stanford.edu>
402 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
404 2006-10-04 Richard Henderson <rth@redhat.com>
405 Jakub Jelinek <jakub@redhat.com>
407 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
408 * builtin-types.def (BT_WORD): Make unsigned.
409 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
410 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
411 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
412 * c-decl.c (grokdeclarator): Don't error if !have_tls.
413 * c-parser.c (c_parser_omp_threadprivate): Likewise.
414 * cgraph.c (decide_is_variable_needed): Look at force_output.
415 Recurse for emulated tls.
416 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
417 checks redundant with decide_is_variable_needed.
418 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
419 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
421 * expr.c (emutls_var_address): New.
422 (expand_expr_real_1): Expand emulated tls.
423 (expand_expr_addr_expr_1): Likewise.
424 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
425 * output.h (emutls_finish): Declare.
426 * toplev.c (compile_file): Call it.
427 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
428 address before wrapping in CONST.
429 * varasm.c (emutls_htab, emutls_object_type): New.
430 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
431 (get_emutls_object_name, get_emutls_object_type): New.
432 (get_emutls_init_templ_addr, emutls_decl): New.
433 (emutls_common_1, emutls_finish): New.
434 (assemble_variable): When emulating tls, swap decls; generate
435 constructor for the emutls objects.
436 (do_assemble_alias): When emulating tls, swap decl and target name.
437 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
439 * emutls.c: New file.
440 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
441 tls_object for real tls.
443 2006-10-04 Zack Weinberg <zackw@panix.com>
445 Fix bug in constraint-check generator, reported by Rask Ingemann
447 * genpreds.c (add_constraint): Don't remove anything from the
449 (write_tm_constrs_h): Detect whether "op" argument is used, and
450 mark it ARG_UNUSED if it isn't.
451 (write_insn_const_int_ok_for_constraint): Skip the part of the
452 expression that would test whether "op" (which is not available
453 here) is a CONST_INT.
455 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
458 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
460 2006-10-03 Geoffrey Keating <geoffk@apple.com>
462 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
463 current Leopard versions.
464 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
466 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
468 * doc/install.texi: Fix typos.
470 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
472 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
473 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
474 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
476 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
478 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
479 arg to be struct mach_header_64* instead.
481 2006-10-02 Jakub Jelinek <jakub@redhat.com>
484 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
485 side effects after the outer expression's post side effects.
487 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
489 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
490 comments to reflect actual behavior and relationship between
491 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
493 * doc/c-tree.texi (Working with declarations): Fix documentation
494 of FIELD_DECL likewise.
496 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
499 * doc/extend.texi: Add used variable attribute description.
501 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
504 * c.opt (Woverride-init): New.
505 * c-opts.c (c_common_post_options): Default warn_override_init to
507 * c-typeck.c (add_pending_init, output_init_element): Warn for
508 overriding initializers without side effects.
509 * doc/invoke.texi (-Woverride-init): Document.
512 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
514 PR rtl-optimization/28096
515 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
516 assignment has already been used as a destination earlier in the block.
518 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
520 * builtins.c (expand_builtin_setjmp): Delete.
521 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
522 <BUILT_IN_SETJMP_SETUP>: New case.
523 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
524 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
525 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
526 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
527 (BUILT_IN_SETJMP_RECEIVER): Likewise.
528 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
529 (lower_function_body): Initialize it to false. If it is set to true
530 at the end of the processing, emit the setjmp dispatcher.
531 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
532 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
533 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
534 on the rhs of the assignment.
535 (lower_builtin_setjmp): New function.
536 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
537 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
538 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
539 to detect calls that can go to non-local labels. Use specific
540 helper to create the abnormal edges associated with them.
541 <MODIFY_EXPR>: Likewise.
542 (make_abnormal_goto_edges): New function extracted from...
543 (make_goto_expr_edges): ...here. Call it for computed gotos.
544 (simple_goto_p): Minor tweak.
545 (tree_can_make_abnormal_goto): New predicate.
546 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
547 (tree_purge_dead_abnormal_call_edges): New function.
548 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
549 (tree_purge_dead_abnormal_call_edges): Likewise.
550 (make_abnormal_goto_edges): Likewise.
551 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
552 Purge all dead abnormal edges if the call was in the last statement.
553 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
554 (execute_fixup_cfg): If there are non-local labels in the function,
555 scan the basic blocks and split them at calls that can go to non-local
556 labels or add missing abnormal call edges. Write down the CFG in the
558 (pass_fixup_cfg): Remove TODO_dump_func flag.
559 * unwind-sjlj.c: Poison setjmp.
560 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
561 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
562 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
563 (DONT_USE_BUILTIN_SETJMP): Document it.
565 2006-09-28 Geoffrey Keating <geoffk@apple.com>
568 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
569 to 1 when __ppc64__ is defined.
570 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
572 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
574 2006-09-28 Steve Ellcey <sje@cup.hp.com>
576 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
577 * config/ia64/unwind-hpux.c: Delete.
579 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
581 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
582 on the element before gimplifying it, instead of punting if it is of
585 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
587 * doc/loop.texi: New file.
588 * doc/gccint.texi: Reference loop.texi.
589 * Makefile.in (loop.texi): Add.
591 2006-09-27 Geoffrey Keating <geoffk@apple.com>
593 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
595 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
596 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
598 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
600 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
602 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
604 * doc/install.texi: Document required versions of GMP and MPFR.
606 2006-09-27 Paul Brook <paul@codesourcery.com>
609 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
611 2006-09-27 Richard Sandiford <richard@codesourcery.com>
613 * reload1.c (alter_reg): Require the alignment of the stack slot to
614 be at least reg_max_ref_width bytes.
615 (scan_paradoxical_subregs): Record the largest width in
618 2006-09-26 Jakub Jelinek <jakub@redhat.com>
622 * tree-nested.c (struct nesting_info): Added static_chain_added.
623 (convert_call_expr): Set static_chain_added when adding static
624 chain. Handle OMP_PARALLEL and OMP_SECTION.
626 2006-09-25 Matthias Klose <doko@debian.org>
628 * doc/invoke.texi: Add missing full stop.
630 2006-09-25 Richard Henderson <rth@redhat.com>
632 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
633 before cgraph_function_flags_ready.
635 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
636 Adam Nemet <anemet@caviumnetworks.com>
638 * tree-ssa-loop-ivopts.c (aff_combination_convert,
639 determine_common_wider_type): New functions.
640 (get_computation_aff): Use them to simplify arithmetic between
641 UBASE and CBASE if they are shortened from the same type.
643 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
646 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
647 -2147483647 - 1 instead of 0x80000000.
649 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
651 * flags.h (HONOR_NANS): Fix typo in comment.
653 2006-09-23 Uros Bizjak <uros@kss-loka.si>
655 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
657 2006-09-23 Jakub Jelinek <jakub@redhat.com>
661 * tree.c (merge_attributes, attribute_list_contained): If both
662 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
664 * c-typeck.c (comptypes_internal): Don't consider aggregates
665 in different TUs as compatible if there one set of attributes is
666 not a subset of the other type's attributes.
667 (composite_type): Try harder not to create a new aggregate type.
669 2006-09-22 Geoffrey Keating <geoffk@apple.com>
671 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
672 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
673 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
674 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
675 than replicating condition above.
676 * config.host (i[34567]86-*-*): Always use driver-i386.o.
678 * config/darwin.h (LINK_SYSROOT_SPEC): New.
679 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
680 the linker by default.
682 2006-09-22 Mike Stump <mrs@apple.com>
684 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
687 2006-09-22 Richard Guenther <rguenther@suse.de>
690 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
691 sort of stack variables stable.
693 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
696 * explow.c (force_reg): Set REG_POINTER flag according to
699 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
701 PR tree-optimization/28888
702 * tree-if-conv.c (combine_blocks): Rewritten.
703 * tree-cfg.c (tree_verify_flow_info): Check that edges with
704 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
706 2006-09-22 Jakub Jelinek <jakub@redhat.com>
708 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
711 2006-09-21 Richard Sandiford <richard@codesourcery.com>
713 * varasm.c (copy_constant): Fix reversed gcc_assert check.
715 2006-09-21 Janis Johnson <janis187@us.ibm.com>
717 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
719 2006-09-21 Roger Sayle <roger@eyesopen.com>
722 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
723 dw_fde_current_label, to be the start of the function, i.e. the same
724 value as dw_fde_begin.
726 2006-09-20 Richard Sandiford <richard@codesourcery.com>
728 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
729 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
730 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
731 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
732 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
733 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
734 (abs<mode>2, neg<mode>2): Likewise.
735 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
736 (*mips_abs_ps): New define_insn.
738 2006-09-20 Josh Conner <jconner@apple.com>
741 * calls.c (expand_call): Allow reuse of structure return stack
744 2006-09-20 Paul Brook <paul@codesourcery.com>
746 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
749 2006-09-20 Janis Johnson <janis187@us.ibm.com>
751 * doc/extend.texi (Decimal Float): Update for latest draft TR,
752 clean up terminology.
754 2006-09-20 Steve Ellcey <sje@cup.hp.com>
757 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
758 with tablejumps in them.
760 2006-09-20 Jakub Jelinek <jakub@redhat.com>
763 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
764 wrap it into TARGET_EXPR.
766 2006-09-20 Eric Christopher <echristo@apple.com>
768 * config/i386/i386.c (x86_fisttp): Remove.
769 * config/i386/i386.h (x86_fisttp): Ditto.
770 (TARGET_FISTTP): Ditto.
772 2006-09-19 Eric Christopher <echristo@apple.com>
774 * doc/tm.texi (OBJC_JBLEN): Describe.
775 * config/i386/darwin.h (OBJC_JBLEN): Define.
776 * config/rs6000/darwin.h: Ditto.
778 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
780 PR rtl-optimization/21299
781 * reload1.c (reload): Purge invalid ASMs in the final pass.
783 2006-09-19 Steve Ellcey <sje@cup.hp.com>
786 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
787 pointers as legitimate constants.
789 2006-09-19 Paul Brook <paul@codesourcery.com>
792 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
794 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
796 PR tree-optimization/28887
797 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
798 component parts from the reference.
799 (gather_memory_references_ref): Record the reference without the
800 nonaddressable component parts.
802 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
805 * c-opts.c (c_common_handle_option): Ignore the -std options
806 if the input language is assembly.
808 2006-09-17 Ira Rosen <irar@il.ibm.com>
811 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
813 (ptr_ptr_may_alias_p): Likewise.
814 (record_record_differ_p): New function.
815 (base_object_differ_p): Call record_record_differ_p.
817 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
820 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
821 away for the expr argument.
823 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
826 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
827 before using it for dumping after vectorizing loops.
829 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
830 Jack Howarth <howarth@bromo.med.uc.edu>
833 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
834 skip on error_mark_node.
835 (rs6000_darwin64_record_arg_recurse): Likewise.
837 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
839 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
840 * doc/rtl.texi: Remove related documentation.
842 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
844 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
847 2006-09-15 Jim Wilson <wilson@specifix.com>
849 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
850 Handle symbol offsets same as they are handled in ia64_expand_move
853 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
855 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
856 Add forgotten parameter to the fprintf call.
858 2006-09-15 Steve Ellcey <sje@cup.hp.com>
860 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
862 2006-09-15 Uros Bizjak <uros@kss-loka.si>
864 * doc/contrib.texi: Add my entry.
866 2006-09-15 Nick Clifton <nickc@redhat.com>
868 * doc/md.texi (Processor pipeline description): Fix typo in
869 example of how to use the absence_set directive and reword the
870 description to make it slightly easier to read.
872 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
874 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
875 * loop-doloop.c (doloop_optimize): Use it to limit costs of
876 expanding the number of iterations.
877 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
879 * cfgrtl.c (emit_insn_at_entry): New function.
880 * rtl.h (emit_insn_at_entry): Declare it.
881 * integrate.c (emit_initial_value_sets): Use it.
883 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
885 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
887 (struct loop_work and related VEC declarations): Delete.
888 (bfin_dump_loops): Print out new member bad.
889 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
890 (bfin_scan_loop): Don't recurse.
891 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
892 loops. No longer need to update outer loops if the current one is
893 found bad. Move some validitiy checks to bfin_discover_loop.
894 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
895 but changed not to check for nesting. Also changed to use the new bad
897 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
898 time. Use bitmap based test to discover loop nesting.
900 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
902 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
905 2006-09-14 Richard Guenther <rguenther@suse.de>
906 Kazu Hirata <kazu@codesourcery.com>
909 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
910 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
911 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
912 with TARGET_FUNCTION_VALUE.
914 2006-09-14 Anatoly Sokolov <aesok@post.ru>
917 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
919 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
921 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
924 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
927 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
930 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
932 * basic_block.h (bb_has_eh_pred): Fix comment.
934 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
936 * flow.c (calculate_global_regs_live): Invalidate eh registers
937 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
938 (propagate_block): Handle eh registers as if they were set at basic
940 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
942 * global.c (global_conflicts): Make eh registers to conflict with
943 pseudos live at basic block begin.
944 * basic_block.h (bb_has_eh_pred): New function.
946 2006-09-13 Richard Sandiford <richard@codesourcery.com>
948 PR rtl-optimization/28982
949 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
950 index of a PRE_MODIFY or POST_MODIFY address.
951 * reload1.c (inc_for_reload): Use find_replacement on the original
952 base and index registers.
954 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
956 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
957 for -Os. Update __m128 alignment requirement.
959 2006-09-13 Jan Hubicka <jh@suse.cz>
961 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
963 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
965 PR rtl-optimization/28243
966 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
967 the insn to which the note was originally attached.
969 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
970 Roger Sayle <roger@eyesopen.com>
972 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
973 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
974 on platforms that don't use dwarf for debug info.
976 2006-09-12 Jason Merrill <jason@redhat.com>
979 * builtins.c (expand_builtin_setjmp_receiver): Clobber
980 hard_frame_pointer_rtx after using it to update the frame pointer.
982 2006-09-12 Roger Sayle <roger@eyesopen.com>
984 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
985 (TARGET_ASM_CLOSE_PAREN): Likewise.
986 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
987 (TARGET_ASM_CLOSE_PAREN): Likewise.
989 2006-09-12 Roger Sayle <roger@eyesopen.com>
992 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
993 frame information for frames larger than 512 Kbytes on Tru64 when
994 using the native assembler.
996 2006-09-12 Roger Sayle <roger@eyesopen.com>
1000 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1001 and symbols. Instead use the implementation from cse.c's hash_rtx.
1003 2006-09-12 Jan Hubicka <jh@suse.cz>
1005 PR rtl-optimization/28071
1006 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1007 (vect_transform_loop): Likewise.
1008 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1009 (new_loop_vec_info): Likewise.
1010 (destroy_loop_vec_info): Likewise.
1011 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1012 (create_stmt_ann): Likewise.
1013 (create_tree_ann): Rename to ...
1014 (create_tree_common_ann): ... this one; allocate only the common part
1016 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1017 (get_value_handle): Likewise.
1018 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1019 get_tree_common_ann.
1020 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1021 (vinfo_for_stmt): Use stmt annotations.
1022 * tree-flow.h (tree_ann_common_t): New type.
1023 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1024 (tree_ann, get_tree_ann, create_tree_ann): New.
1025 * tree-flow-inline.h (get_function_ann): Do more type checking.
1026 (stmt_ann): Likewise.
1027 (tree_ann): Rename to ...
1028 (tree_common_ann): ... this one; return ony common_ann
1029 (get_tree_ann): Rename to ...
1030 (tree_common_ann): This one; return only common_ann.
1031 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1034 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1036 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1037 with_cpu by default.
1039 * dwarf2out.c (dwarf_file_data): New.
1040 (enum dw_val_class): Add dw_val_class_file.
1041 (struct dw_val_struct): Add val_file.
1042 (file_table): Change to a hash table.
1043 (file_table_emitted): Delete.
1044 (file_table_last_lookup_index): Delete.
1045 (emitcount): Delete.
1046 (last_emitted_file): New.
1047 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1048 (init_file_table): Delete.
1049 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1050 (AT_addr): Add comment.
1054 (print_die): Handle dw_val_class_file.
1055 (print_dwarf_line_table): Update for new file table structure.
1056 (attr_checksum): Do checksum a filename.
1057 (same_dw_val_p, same_attr_p): Do compare a filename.
1058 (size_of_die): Handle dw_val_class_file.
1059 (value_format): Likewise.
1060 (output_die): Likewise. Also, call maybe_emit_file here.
1061 (struct file_info): Constify filenames. Make file_idx a pointer
1062 to a struct dwarf_file_data.
1063 (struct dir_info): Constify directory names. Remove 'used' field.
1064 (struct file_name_acquire_data): New.
1065 (file_name_acquire): New.
1066 (output_file_names): Modify to handle new file data structures.
1067 (add_src_coords_attributes): Use add_AT_file.
1068 (add_call_src_coords_attributes): Likewise.
1069 (dwarf2out_imported_module_or_decl): Likewise.
1070 (gen_subprogram_die): Modify for new file data structures.
1071 (gen_variable_die): Likewise.
1072 (file_table_eq): New.
1073 (file_table_hash): New.
1074 (file_table_last_lookup): New.
1075 (lookup_filename): Rewrite to handle new file data structures.
1076 (maybe_emit_file): Rewrite to handle new file data structures.
1077 (dwarf2out_source_line): Always call lookup_filename and
1079 (dwarf2out_init): Create file_table here.
1080 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1081 (file_table_relative_p): New.
1082 (dwarf2out_finish): Change detection of relative filenames
1083 to work with new file data structures. Move output_line_info call
1084 after debug_info output.
1086 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1091 * config/i386/i386.c (override_options): Always default to 16
1092 byte stack boundary.
1094 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1097 * var-tracking.c (dump_dataflow_set): Start dumping at
1099 (clobber_variable_part): Kill only the variable part in
1100 registers holding it, leaving other variables alone.
1102 2006-09-11 Josh Triplett <josh@freedesktop.org>
1104 * doc/extend.texi (Other Builtins): Actually use the macro
1105 argument in the documentation example for
1106 __builtin_types_compatible_p.
1108 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1110 PR rtl-optimization/28726
1111 * sched-deps.c (sched_analyze_reg): New function extracted from...
1112 (sched_analyze_1): ...here. Call it to analyze references to
1113 registers. Treat again writes to a stack register as writing to the
1115 (sched_analyze_2): ...and here. Call it to analyze references to
1116 registers. Treat again reads of a stack register as reading the
1119 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1120 David Edelsohn <edelsohn@gnu.org>
1123 * config/rs6000/spe.md (frob_df_di): Remove %H.
1124 (frob_di_df): Remove %H. Change evmergelo to mr.
1125 (frob_di_df_2): Remove %H. Change evldd to two loads.
1127 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1129 * doc/cpp.texi: Fix names of charset options.
1131 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1134 * config/i386/i386.c (override_options): Use 128-bit
1135 stack boundary always for 64bits.
1137 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1139 PR rtl-optimization/28636
1140 * combine.c (force_to_mode): Test for side-effects before
1141 substituting by zero.
1142 (simplify_shift_const): Likewise for zero or other constants.
1144 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1147 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1150 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1153 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1154 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1155 returned by mode_for_size, rather than the mode of src itself,
1156 to choose between 32-bit and 64-bit patterns.
1157 (mips_mem_fits_mode_p): New function.
1158 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1159 that the size of the source matches the size of the destination.
1160 (mov_<store>l, mov_<store>r): Likewise.
1162 2006-09-10 Eric Christopher <echristo@apple.com>
1164 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1167 2006-09-09 Eric Christopher <echristo@apple.com>
1170 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1173 2006-09-09 Roger Sayle <roger@eyesopen.com>
1174 Nicolas Setton <setton@adacore.com>
1176 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1178 2006-09-10 Andreas Schwab <schwab@suse.de>
1180 * config/m68k/m68k.md (bungt_rev): New pattern.
1182 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1183 Dale Johannesen <dalej@apple.com>
1186 * regclass.c (struct reg_pref): Update documentation.
1187 (regclass): Set prefclass to NO_REGS if memory is the best option.
1188 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1190 2006-09-08 Eric Christopher <echristo@apple.com>
1192 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1193 * config/t-slibgcc-darwin: Support x86_64 multilib.
1194 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1195 Return 1 for x86_64-darwin.
1196 * config/i386/t-darwin: Add m64 multilib.
1197 (LIB2_SIDITI_CONV_FUNCS): Use.
1198 (LIB2FUNCS_EXTRA): Ditto.
1199 * config/i386/darwin.h: Support x86_64.
1200 * config/i386/i386.c (override_options): Turn on flag_pic
1201 for x86_64-darwin. Disable flag_omit_pointer.
1202 (get_pc_thunk_name): Assert !TARGET_64BIT.
1203 (legitimate_address_p): Disable machopic addressing for
1205 (legitimize_pic_address): Ditto.
1206 (ix86_expand_move): Ditto.
1207 (ix86_expand_call): Ditto.
1208 (machopic_output_stub): Ditto.
1209 * config/darwin.c (machopic_select_section): Support literal16.
1210 (machopic_select_rtx_section): Ditto.
1211 * config/darwin-sections.def: Ditto.
1212 * config/darwin-64.c: New.
1214 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1217 * c-tree.h (struct c_arg_info): Add pending_sizes.
1218 * c-parser.c (c_parser_parms_declarator,
1219 c_parser_parms_list_declarator): Initialize pending_sizes.
1220 * c-decl.c (get_parm_info): Initialize pending_sizes.
1221 (get_parm_info): Set pending_sizes.
1222 (grokdeclarator): Call put_pending_sizes for parameters for
1223 function definition only.
1225 2006-09-07 Jason Merrill <jason@redhat.com>
1228 * varasm.c (output_constant): Only strip actual no-op conversions.
1231 * config/i386/i386.c (override_options): Use 128-bit
1232 stack boundary if -msse.
1234 2006-09-07 Eric Christopher <echristo@apple.com>
1236 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1238 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1241 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1243 * dwarf2out.c: Remove strange characters from comment above
1244 dwarf2out_frame_debug_expr.
1246 2006-09-07 Eric Christopher <echristo@apple.com>
1248 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1249 * config/darwin.h: ... to here.
1251 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1253 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1255 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1256 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1258 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1259 TARGET_PARTIAL_FLAG_REG_STALL.
1260 (*ashldi3_cconly_rex64): Likewise.
1261 (*ashlsi3_cmp): Likewise.
1262 (*ashlsi3_cconly): Likewise.
1263 (*ashlsi3_cmp_zext): Likewise.
1264 (*ashlhi3_cmp): Likewise.
1265 (*ashlhi3_cconly): Likewise.
1266 (*ashlqi3_cmp): Likewise.
1267 (*ashlqi3_cconly): Likewise.
1268 (*ashrdi3_cmp_rex64): Likewise.
1269 (*ashrdi3_cconly_rex64): Likewise.
1270 (*ashrsi3_cmp): Likewise.
1271 (*ashrsi3_cconly): Likewise.
1272 (*ashrsi3_cmp_zext): Likewise.
1273 (*ashrhi3_cmp): Likewise.
1274 (*ashrhi3_cconly): Likewise.
1275 (*ashrqi3_cmp): Likewise.
1276 (*ashrqi3_cconly): Likewise.
1277 (*lshrdi3_cmp_rex64): Likewise.
1278 (*lshrdi3_cconly_rex64): Likewise.
1279 (*lshrsi3_cmp): Likewise.
1280 (*lshrsi3_cconly): Likewise.
1281 (*lshrsi3_cmp_zext): Likewise.
1282 (*lshrhi3_cmp): Likewise.
1283 (*lshrhi3_cconly): Likewise.
1284 (*lshrqi2_cmp): Likewise.
1285 (*lshrqi2_cconly): Likewise.
1287 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1290 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1291 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1292 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1293 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1294 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1295 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1296 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1297 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1298 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1299 implement only CC setting effects of shift instructions.
1301 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1303 * doc/contrib.texi: Add myself.
1305 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1308 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1309 was set by the user.
1311 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1314 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1315 (divsi_inv_m1): Use them.
1316 (UNSPEC_DIV_INV_TABLE): New constant.
1318 2006-09-06 James E Wilson <wilson@specifix.com>
1321 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1322 then call count_or_remove_death_notes.
1324 2006-09-06 Jason Merrill <jason@redhat.com>
1327 * tree-inline.c (copy_result_decl_to_var): New fn.
1328 (declare_return_variable): Use it. Call declare_inline_vars here.
1329 (expand_call_inline): Not here.
1331 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1333 * doc/contrib.texi: Update my entry.
1335 2006-09-06 Nick Clifton <nickc@redhat.com>
1337 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1339 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1342 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1343 (canonicalize_induction_variables): Likewise.
1344 (tree_unroll_loops_completely): Likewise.
1345 (tree_ssa_prefetch_arrays): Likewise.
1346 (remove_empty_loops): Likewise.
1347 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1348 TODO_cleanup_cfg instead of directly calling
1349 cleanup_tree_cfg_loop.
1350 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1352 (tree_unroll_loops_completely): Likewise.
1353 (remove_empty_loops): Likewise.
1354 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1355 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1356 of tree_ssa_unswitch_loops.
1357 (tree_ssa_loop_ivcanon): Use the return value of
1358 canonicalize_induction_variables.
1359 (tree_ssa_empty_loop): Use the return value of
1361 (tree_complete_unroll): Use the return value of
1362 tree_unroll_loops_completely.
1363 (tree_ssa_loop_prefetch): Use the return value of
1364 tree_ssa_prefetch_arrays.
1365 * passes.c (execute_todo): Before Cleanup CFG, set
1366 updating_used_alone and after cleanup CFG, call
1367 recalculate_used_alone.
1369 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1372 * tree-vect-transform.c (vectorizable_condition): Move the check
1373 for the type after the check for simple condition.
1375 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1376 Kaz Kojima <kkojima@gcc.gnu.org>
1379 * mode-switching.c (optimize_mode_switching): Make the destination
1380 block of an abnormal edge have no anticipatable mode. Don't
1381 insert mode switching code at the end of the source block of
1384 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1386 PR rtl-optimization/26847
1387 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1388 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1389 (simplify_plus_minus): Count n_constants while filling ops. Replace
1390 qsort with insertion sort. Before going through the array to simplify
1391 pairs, sort it. Delay early exit until after the first sort, exiting
1392 only if no swaps occurred. Simplify pairs in reversed order, without
1393 special-casing the first iteration. Pack ops after simplifying pairs.
1395 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1397 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1398 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1399 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1400 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1402 2006-09-05 Richard Guenther <rguenther@suse.de>
1404 PR tree-optimization/28900
1405 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1406 compound conditional before creating COND_EXPR condition.
1408 2006-09-05 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/28905
1411 * tree-vrp.c (fix_equivalence_set): Manually implement
1412 !value_ranges_intersect_p to also handle symbolic ranges.
1414 2006-09-05 Richard Guenther <rguenther@suse.de>
1417 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1420 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1422 PR rtl-optimization/27616
1423 * cse.c (table_size): New static variable.
1424 (new_basic_block): Initialize it to 0.
1425 (remove_from_table): Decrement it.
1426 (insert): Increment it.
1427 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1428 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1429 fold_rtx_mem_1 if under the cap.
1430 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1431 the lookup of the equivalent expression and test for equality of the
1432 first operand of the equivalent expression before in turn looking up
1433 an equivalent constant for the second operand.
1435 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1438 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1439 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1440 pointer, instead of assuming it is possible to derive the
1441 correct args size from a call insn.
1443 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1446 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1447 (fold_builtin_mempcpy): Rename to...
1448 (fold_builtin_memory_op): ... this. Optimize one element copy
1450 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1452 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1453 (expand_builtin_memcpy, expand_builtin_mempcpy,
1454 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1455 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1456 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1457 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1459 2006-09-01 DJ Delorie <dj@redhat.com>
1461 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1462 (stzx_16): Likewise.
1463 ("stzx_24_<mode>"): Likewise.
1464 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1465 ("cmp<mode>_op"): New.
1466 (cmp<mode>): Change to expander; just save operands.
1468 (b<code>): Change to expander, emit compare here.
1469 (s<code>_op): Change to use split and expander.
1470 (s<code>_24_op): Likewise.
1471 (s<code>_<mode>): New.
1472 (s<code>_<mode>_24): New.
1473 (movqicc_<code>_<mode): New.
1474 (movhicc_<code>_<mode>): New.
1477 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1478 (m32c_pend_compare): New.
1479 (m32c_unpend_compare): New.
1480 (m32c_expand_scc): New.
1481 (m32c_expand_movcc): Emit the compare also.
1482 * config/m32c/predicates.md (mra_nopp_operand): New.
1484 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1485 Richard Guenther <rguenther@suse.de>
1486 Adam Nemet <anemet@caviumnetworks.com>
1489 * builtins.c (get_pointer_alignment): Handle more forms
1490 of base addresses that can be used to derive more precise
1491 information about alignment.
1493 2006-09-01 Jason Merrill <jason@redhat.com>
1496 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1499 * gimplify.c (voidify_wrapper_expr): Handle null type.
1501 2006-09-01 Josh Conner <jconner@apple.com>
1504 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1505 (execute_return_slot_opt): Use it.
1507 2006-08-31 Josh Conner <jconner@apple.com>
1510 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1511 returning aggregates.
1513 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1515 PR tree-optimization/28839
1516 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1517 blocks in that phi arguments appear.
1519 2006-08-31 Roger Sayle <roger@eyesopen.com>
1522 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1523 NULL, otherwise use an advance_loc4 to adjust relative to the
1525 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1526 (dwarf2out_switch_text_section): Reset the current label to avoid
1527 using advance_loc4 over section boundaries.
1529 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1532 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1533 r12 + SYMBOLIC_CONST.
1535 2006-08-30 Richard Guenther <rguenther@suse.de>
1537 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1539 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1541 PR rtl-optimization/27735
1542 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1543 Add new argument to keep track of whether an irreducible region
1544 was affected. All callers changed.
1545 (fix_irreducible_loops): Removed.
1546 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1547 flags were invalidated.
1549 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1551 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1552 instead of SF operands.
1553 (*fop_df_comm_sse): Likewise.
1554 (*fop_df_comm_i387): Likewise.
1555 (*fop_df_1_mixed): Likewise.
1556 (*fop_df_1_sse): Likewise.
1558 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1559 J"orn Rennecke <joern.rennecke@st.com>
1561 PR tree-optimization/17506
1562 * tree-ssa.c (warn_uninit): If warning about a location outside of
1563 the current function, note where the variable was declared.
1565 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1567 PR tree-optimization/28411
1568 * double-int.c (double_int_div): Use double_int_divmod.
1569 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1570 double_int_mod, double_int_smod, double_int_umod): New functions.
1571 * double-int.h (double_int_divmod, double_int_sdivmod,
1572 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1574 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1576 (get_computation_aff, get_computation_cost_at): Handle double_int
1577 return type of constant_multiple_of.
1579 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1582 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1583 an implicit conversion.
1585 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1587 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1589 2006-08-27 Roger Sayle <roger@eyesopen.com>
1591 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1594 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1596 * config/i386/crtfastmath.c: Fix a comment typo.
1598 2006-08-26 Roger Sayle <roger@eyesopen.com>
1600 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1601 temporary visit flags on CASE_LABEL_EXPRs.
1602 * c-common.c (match_case_to_enum): Add function comment. Avoid
1603 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1604 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1605 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1606 a constant, only warn if that constant value isn't handled.
1608 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1611 * input.h (restore_input_file_stack): Declare.
1612 (INPUT_FILE_STACK_BITS): Define.
1613 * toplev.c (fs_p, input_file_stack_history,
1614 input_file_stack_restored, restore_input_file_stack): New.
1615 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1616 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1617 (pop_srcloc): Don't free old state of stack.
1619 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1622 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1623 (PowerPC Type Attributes): New.
1625 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1627 * config/xtensa/xtensa.c (function_arg_boundary): New.
1628 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1630 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1631 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1633 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1636 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1639 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1641 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1642 (verify_local_live_at_start): Likewise.
1644 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1647 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1648 omp_add_variable): Treat sizes as variable whenever not
1651 2006-08-26 Richard Guenther <rguenther@suse.de>
1654 * fold-const.c (fold_binary): Fold temporary to correct
1655 type before constructing new comparison.
1657 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1660 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1661 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1663 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1666 * c-decl.c (start_function): Don't try to process prototype
1667 information from old declaration that isn't a function.
1669 2006-08-25 Jan Hubicka <jh@suse.cz>
1672 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1674 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1677 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1680 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1682 PR tree-optimization/16876
1683 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1684 exit if PARM doesn't match VALUE.
1686 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1688 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1689 literal_prefix directive.
1690 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1691 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1692 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1694 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1697 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1698 predicate to general_operand. Add 0->y and I->r alternatives.
1700 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1702 * doc/tm.texi: Fix a typo.
1703 * predict.c: Fix comment typos.
1705 2006-08-25 Nick Clifton <nickc@redhat.com>
1707 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1708 assertions of "cpu" and "machine".
1710 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1713 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1714 the access through a base which has an alias set of 0 cannot
1717 2006-08-24 Bill Wendling <wendling@apple.com>
1719 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1721 2006-08-24 Jan Hubicka <jh@suse.cz>
1723 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1725 2006-08-24 Jan Hubicka <jh@suse.cz>
1728 * cgraph.c: Fix comments.
1729 (cgraph_varpool_mark_needed_node): Mark only variables not already
1731 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1732 (cgraph_varpool_assembled_nodes_queue): New static variable.
1733 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1734 (cgraph_varpool_output_debug_info): New function.
1735 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1736 * Makefile.in: Add gt-cgraphunit.h
1738 2006-08-24 Jan Hubicka <jh@suse.cz>
1740 * predict.c (probability_reliable_p): New predicate.
1741 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1742 (predict_loops): Do not predict loop exit with less than 2%
1744 * basic-block.h (edge_probability_reliable_p,
1745 br_prob_note_reliable_p): Declare.
1746 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1747 prediction when static predictor is not reliable.
1748 * rs6000.c (output_cbranch): Likewise.
1750 2006-08-23 Stuart Hastings <stuart@apple.com>
1753 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1754 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1756 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1759 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1760 complex values, nor for generic vector values.
1762 2006-08-22 Richard Guenther <rguenther@suse.de>
1765 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1766 parameter. Convert arguments to arithmetic expression to the
1768 (analyze_scalar_evolution_1): Adjust caller.
1770 2006-08-22 Jan Hubicka <jh@suse.cz>
1772 Patch by Paolo Bonzini
1773 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1776 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1778 PR tree-optimization/28003
1779 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1780 before grouping aliases.
1782 2006-08-22 Roger Sayle <roger@eyesopen.com>
1784 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1785 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1787 2006-08-21 Jason Merrill <jason@redhat.com>
1790 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1791 wrapper. Loop to handle nested wrappers.
1792 (gimplify_bind_expr): Remove temp parameter.
1793 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1794 and STATEMENT_LIST on the rhs.
1795 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1796 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1797 (gimplify_target_expr): Remove special BIND_EXPR handling.
1799 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1801 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1804 2006-08-21 Olivier Hainque <hainque@adacore.com>
1806 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1807 Arrange for the temporary captures of components overlapping the lhs
1808 to happen before the lhs is possibly cleared.
1810 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1812 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1813 necessary places to pass the correct "number of registers" values
1816 2006-08-20 Jan Hubicka <jh@suse.cz>
1818 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1819 (create_name_tags): Instead of quadratic checking use hashtable.
1820 * bitmap.h: Include hashtab.h.
1821 (bitmap_hash): Declare.
1822 * bitmap.c (bitmap_hash): New function.
1824 2006-08-20 Jan Hubicka <jh@suse.cz>
1826 PR rtl-optimization/28071
1827 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1829 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1830 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1831 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1832 cgraph_decide_inlining_incrementally): Update use of
1833 cgraph_check_inline_limits.
1834 * cgraph.c (edge_hash, edge_eq): New function.
1835 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1836 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1837 cgraph_remove_node): Maintain call site hash.
1838 * cgraph.h (struct cgraph_node): Add call_site_hash.
1839 (cgraph_set_call_stmt): New function.
1841 2006-08-20 Jan Hubicka <jh@suse.cz>
1843 PR rtl-optimization/28071
1844 * reload1.c (reg_has_output_reload): Turn into regset.
1845 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1846 choose_reload_regs, emit_reload_insns): Update to new
1847 reg_has_output_reload.
1849 2006-08-20 Jan Hubicka <jh@suse.cz>
1852 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1853 function body sizes.
1854 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1856 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1859 * tree.c (handle_dll_attribute): Return early if not a
1860 var or function decl.
1862 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1865 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1866 alignment of SPE vector types.
1868 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1870 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1872 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1875 * cgraph.h (struct cgraph_node): Remove externally_visible
1877 * cgraphunit.c (process_function_and_variable_attributes): Set
1878 local.externally_visible rather than externally_visible.
1881 * c-common.c (handle_externally_visible_attribute): First look
1882 at TREE_CODE and only if it is function or var decl, check for
1883 non-public objects. Don't warn for DECL_EXTERNAL.
1884 * cgraphunit.c (process_function_and_variable_attributes): Warn
1885 if externally_visible attribute is used on non-public object.
1887 2006-08-17 Jan Hubicka <jh@suse.cz>
1889 PR tree-optimization/27865
1890 * reload1.c (forget_marked_reloads): New function.
1891 (forget_old_reloads_1): When data are passed, just mark the registers
1893 (reload_as_needed): Use the new mechanizm.
1895 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1898 * reload.h (reg_equiv_alt_mem_list): New declaration.
1899 * reload1.c (reg_equiv_alt_mem_list): New definition.
1900 (reload): Initialize it and release it.
1901 (delete_output_reload): Use it.
1902 * reload.c (push_reg_equiv_alt_mem): New function.
1903 (find_reloads_toplev): Call it.
1904 (find_reloads_address, find_reloads_address_1): Likewise.
1905 (find_reloads_subreg_address): Likewise.
1907 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1909 PR rtl-optimization/28489
1910 * sched-ebb.c (begin_schedule_ready): Create basic block
1912 (advance_target_bb): Skip empty blocks.
1913 * haifa-sched.c (bb_note): Make global.
1914 * sched-int.h (bb_note): Add prototype.
1916 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1918 PR tree-optimization/27865
1919 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1921 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1922 fold_used_pointer, pointer_used_p): New functions.
1923 (analyze_scalar_evolution_1): Use fold_used_pointer.
1924 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1925 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1928 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1931 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1932 or the INTEGER_CST. Fail on a CALL_EXPR.
1933 (fold_offsetof): Pass new argument to fold_offsetof_1.
1934 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1935 operand into an INDIRECT_REF.
1936 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1938 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1940 PR gcov/profile/26570
1941 * value-prof.c (static_values): Removed.
1942 (tree_find_values_to_profile): Do not set static_values.
1943 (find_values_to_profile): Do not free static_values.
1944 * profile.c (instrument_values): Do not free the values.
1945 (branch_prob): Free the values.
1947 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1949 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1951 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1954 * c-typeck.c (build_component_ref): Combine qualifiers of
1955 structure or union and field.
1957 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1959 PR rtl-optimization/28071
1960 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1961 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1962 * tree-into-ssa.c (struct dom_dfsnum): New.
1963 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1965 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1966 compute_global_livein.
1967 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1968 in phi nodes in the correct blocks.
1970 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1972 PR tree-optimization/28364
1973 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1975 (fold_affine_expr): New function.
1976 (may_eliminate_iv): Use fold_affine_expr.
1978 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1981 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1984 2006-08-16 Mike Stump <mrs@apple.com>
1986 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1987 * doc/cppopts.texi (-MD): Likewise.
1989 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1992 * c-common.c (handle_weak_attribute): Ignore and warn if
1993 not a FUNCTION_ or VAR_DECL.
1995 2006-07-15 Mike Stump <mrs@apple.com>
1998 * c-parser.c (c_parser_typeof_specifier): Don't use
1999 c_finish_expr_stmt, open code desired semantics instead.
2001 2006-08-15 Nick Clifton <nickc@redhat.com>
2003 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2004 fragment to tmake_file only if threads are enabled.
2005 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2006 * config/i386/t-gthr-win32: New file. ... here.
2008 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2011 * c-parser.c (c_parser_compound_statement_nostart): Reset
2012 parser->error after each statement.
2014 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2017 * omp-low.c (lower_omp_parallel): Convert t to
2018 receiver_decl's type.
2019 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2020 source before comparison.
2023 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2024 to itype in assignment to oldival2.
2026 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2030 * c-typeck.c (build_compound_expr): If the second expression
2031 is an error mark, then just return an error mark instead of
2032 creating a COMPOUND_EXPR.
2034 2006-07-14 Mike Stump <mrs@apple.com>
2036 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2038 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2040 * c-decl.c, var-tracking.c: Fix comment typos.
2042 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2044 PR rtl-optimization/28634
2045 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2046 for floating-point modes unless flag_unsafe_math_optimizations.
2048 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2049 Andrew Pinski <pinskia@physics.uc.edu>
2052 * tree.c (build_array_type): Unify array types with
2053 unspecified index_type.
2054 * c-decl.c (grokdeclarator): Make sure we do not modify a
2055 unified incomplete array type.
2056 * c-typeck.c (store_init_value): Create distinct type before
2057 filling in the index type in an initializer from a compound
2060 * c-decl.c (grokdeclarator): Remove code where we copy the
2063 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2065 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2066 into account for TODO_dump_cgraph.
2067 (TODO_update_ssa_no_phi): Likewise.
2068 (TODO_update_ssa_full_phi): Likewise.
2069 (TODO_update_ssa_only_virtuals): Likewise.
2070 (TODO_remove_unused_locals): Likewise.
2071 (TODO_set_props): Likewise.
2072 (TODO_update_stmt_usage): Likewise.
2074 2006-08-13 Dirk Mueller <dmueller@suse.de>
2076 * c-common.c (strict_aliasing_warning): Fix formatting.
2078 2006-08-13 Matthias Klose <doko@debian.org>
2080 * doc/invoke.texi: Fix spelling errors.
2082 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2084 PR rtl-optimization/23454
2085 * reorg.c (relax_delay_slots): Update comment.
2087 2006-08-11 Richard Guenther <rguenther@suse.de>
2090 * simplify-rtx.c (simplify_const_relational_operation):
2091 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2094 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2096 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2097 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2099 2006-08-10 Paul Brook <paul@codesourcery.com>
2101 * final.c (final_scan_insn): Clear current_insn_predicate before
2102 outputting inline asm.
2104 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2106 PR tree-optimization/26197
2107 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2108 get_ref_base_and_extent and overlap_subvar to add only relevant
2109 subvars as may-aliases.
2110 (add_may_alias_for_new_tag): New function, factored out of
2112 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2113 with additional argument.
2114 * tree-flow.h (new_type_alias): Takes additional argument.
2116 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2118 * gcov.c (no_data_file): New flag.
2119 (read_count_file): Set it if data file not present. Assume counts
2121 (output_lines): Don't name the data file, if there wasn't one.
2123 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2125 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2126 (rs6000_generate_compare): Tweak comments.
2127 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2129 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2131 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2132 (var_debug_decl): New function.
2133 (var_reg_set): Follow debug decl link. Add location even if
2134 reg is already known to hold some other variable.
2135 (var_mem_set): Follow debug decl link.
2136 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2137 decl link. Delete other known locations of the variable part
2139 (var_reg_delete, var_mem_delete): Delete other known locations
2140 of the variable part if requested.
2141 (same_variable_part_p): New function.
2142 (add_stores): Select MO_COPY when appropriate.
2143 (vt_initialize): Handle it.
2144 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2145 known locations for MO_SET and MO_CLOBBER.
2146 (find_variable_location_part): New function.
2147 (set_variable_part, delete_variable_part): Use it.
2148 (clobber_variable_part): New function.
2149 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2152 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2154 PR tree-optimization/26969
2155 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2156 with an empty list of PHIs.
2158 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2162 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2165 2006-08-06 Andreas Schwab <schwab@suse.de>
2167 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2168 string. Whitespace and comment fixup.
2170 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2173 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2177 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2180 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2182 2006-08-04 Jan Hubicka <jh@suse.cz>
2186 * reload.c (push_reload): Patch out the mismatching instruction;
2188 (find_reload): Bail out if the instruction was patched out.
2190 2006-08-04 Jan Hubicka <jh@suse.cz>
2192 PR tree-optimization/24888
2193 * tree-inline.c (expand_call_inline): Do not re-record variables.
2194 (declare_inline_vars): Add variable to unexpanded_var_list.
2196 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2197 Roger Sayle <roger@eyesopen.com>
2199 PR rtl-optimization/26244
2200 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2201 inner_const are negative or greater than or equal to the bitsize of
2202 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2203 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2204 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2205 CONST0_RTX (mode) when the new shift count is greater than or equal to
2206 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2209 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2211 * tree-cfg.c: Fix a comment typo.
2213 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2216 * varasm.c (output_constant): Give the front end another chance to
2217 expand constants, after stripping NOPs.
2219 2006-08-03 Jan Hubicka <jh@suse.cz>
2221 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2224 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2226 PR tree-optimization/27770
2227 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2228 declaration removed (moved to tree-flow.h).
2229 (vect_can_force_dr_alignment_p): Likewise.
2230 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2231 (moved from tree-vectorizer.h).
2232 (vect_can_force_dr_alignment_p): Likewise.
2233 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2234 from outside the vectorizer - in particular from cgraph stage.
2235 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2236 the alignment of global arrays when -fsection-anchors is enabled.
2237 * cgraphunit.c (cgraph_increase_alignment): New function.
2238 (cgraph_optimize): Call cgraph_increase_alignment.
2240 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2243 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2244 not reload a SPE symbol_ref into a lo_sum address.
2246 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2249 * dwarf2out.c (prune_unused_types_prune): Move call to
2250 prune_unused_types_update_strings to cover the parent DIE also.
2252 2006-08-02 Jan Hubicka <jh@suse.cz>
2254 PR gcov/profile/28480
2255 * tree-cfg.c (change_bb_for_stmt): New function.
2256 (tree_merge_blocks, tree_split_blocks): Use it.
2258 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2264 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2265 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2266 (cgraph_optimize): Likewise.
2268 2006-08-01 Stuart Hastings <stuart@apple.com>
2270 * rtl.h (UINTVAL) New.
2271 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2272 * testsuite/gcc.dg/20060801-1.c: New.
2274 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2277 * c-typeck.c (build_external_type): Mark used enum types.
2278 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2280 (gen_subprogram_die): Whitespace fix.
2282 2006-08-01 Jan Hubicka <jh@suse.cz>
2284 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2285 bitmap when not needed.
2286 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2289 2006-08-01 Dirk Mueller <dmueller@suse.de>
2291 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2293 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2295 * Makefile.in: Revert part of previous patch:
2296 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2299 2006-07-30 Eric Christopher <echristo@apple.com>
2302 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2303 (PowerPC Variable Attributes): New section.
2305 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2307 PR target/28126 (partial fix)
2308 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2310 2006-07-28 Jan Hubicka <jh@suse.cz>
2312 PR rtl-optimization/28071
2313 * cfgrtl.c (rtl_delete_block): Free regsets.
2314 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2316 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2318 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2319 and variables used in dependencies.
2321 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2323 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2324 %fs for -mcmodel=kernel.
2325 (stack_tls_protect_test_di): Likewise.
2327 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2329 * Makefile.in: Use mkinstalldirs.
2331 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2334 * opts-common.c (prune_options): Skip joined switches.
2336 2006-07-27 Jan Hubicka <jh@suse.cz>
2338 PR rtl-optimization/28071
2339 * cselib.c (cselib_process_insn): Don't remove useless values too
2340 often for very large hashtables.
2342 2006-07-27 Jan Hubicka <jh@suse.cz>
2344 PR rtl-optimization/28071
2345 * global.c (greg_obstack): New obstack.
2346 (allocate_bb_info): Use it.
2347 (free_bb_info): Likewise.
2348 (modify_reg_pav): Likewise.
2350 2006-07-27 Roger Sayle <roger@eyesopen.com>
2352 * builtins.c (fold_fixed_mathfn): When long and long long are the
2353 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2354 functions to their lceil*, lfloor*, lround* and lrint* forms.
2356 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2359 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2361 (rev_branch_insn): Likewise.
2363 2006-07-27 Jan Hubicka <jh@suse.cz>
2365 PR rtl-optimization/28071
2366 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2367 (reg_set_in_bb, max_reg_computed): New static variables.
2368 (regmove_optimize): Free the new array.
2369 (fixup_match_1): Update call of reg_is_remote_constant_p.
2371 2006-07-26 Jan Hubicka <jh@suse.cz>
2373 PR tree-optimization/27882
2374 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2376 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2378 (cgraph_analyze_compilation_unit): Likewise.
2379 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2380 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2381 (cgraph_early_inlinine): Make order garbage collected.
2382 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2384 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2386 * dbxout.c (output_types_sort): Add a comment.
2387 (output_used_types): Free the VEC.
2389 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2391 * function.c (reorder_fix_fragments): Delete.
2392 (reorder_blocks): Don't call it.
2393 (reorder_blocks_1): Put all subblocks under the origin block.
2395 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2397 PR rtl-optimization/27907
2398 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2401 2006-07-25 Roger Sayle <roger@eyesopen.com>
2404 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2405 bar(x) check that bar's result type can represent all the values of T.
2407 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2409 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2411 2006-07-25 Nick Clifton <nickc@redhat.com>
2413 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2414 size_lookup[] array.
2415 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2416 (ggc_pch_count_object): Likewise.
2417 (ggc_pch_alloc_object): Likewise.
2418 (ggc_pch_write_object): Likewise.
2419 (init_ggc): Do not attempt to initialize entries in the
2420 size_lookup[] array for objects whose size is greater than than
2421 the length of the array.
2423 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2425 * dbxout.c (output_used_types_helper): Push queued types
2427 (output_types_sort): New.
2428 (output_used_types): Collect used types on a VEC and sort them
2431 2006-07-24 Richard Guenther <rguenther@suse.de>
2434 * cgraph.c (cgraph_remove_node): Do not check if dumps
2436 * cgraphunit.c (cgraph_optimize): Likewise.
2438 2006-07-24 Jan Hubicka <jh@suse.cz>
2440 PR rtl-optimization/28071
2441 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2442 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2443 splitting before first stmt.
2445 2006-07-24 Jan Hubicka <jh@suse.cz>
2447 PR rtl-optimization/28071
2448 * ipa-inline.c (update_caller_keys): Remove edges that
2449 are no longer inline candidates.
2451 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2454 * dbxout.c (output_used_types_helper, output_used_types): New.
2455 (dbxout_symbol): Call output_used_types.
2457 2006-07-23 Jan Hubicka <jh@suse.cz>
2461 * cgraph.c (cgraph_varpool_nodes): Export.
2462 (decide_is_variable_needed): Ignored "used" attribute in
2463 unit-at-a-time mode.
2464 * cgraph.h (cgraph_varpool_nodes): Declare.
2465 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2466 unit-at-a-time mode.
2468 2006-07-23 Roger Sayle <roger@eyesopen.com>
2471 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2472 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2473 the __gthrw form of thr_keycreate.
2474 (__gthread_key_delete): Silence the unused argument warning.
2476 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2479 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2480 Cache the last found '\0' marker to avoid quadratic behavior.
2482 2006-07-23 Jan Hubicka <jh@suse.cz>
2484 * i386.md (subsi_3_zext): Fix output template.
2486 2006-07-21 Mike Stump <mrs@apple.com>
2488 * doc/invoke.texi (C++ Dialect Options): Note that
2489 -fvisibility-inlines-hidden doesn't affect explicitly
2490 instantiationed inline methods.
2492 2006-07-20 Roger Sayle <roger@eyesopen.com>
2494 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2495 if the target assembler is GNU binutils' gas.
2496 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2497 whether to pass GNU gas or native as command line options.
2499 2006-07-20 Jason Merrill <jason@redhat.com>
2501 * tree.c (remove_attribute): New fn.
2502 * tree.h: Declare it.
2504 2006-07-20 Paul Brook <paul@codesourcery.com>
2507 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2508 they are invalidated by this instruction.
2510 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2513 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2515 2006-07-20 Eric Christopher <echristo@apple.com>
2518 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2520 2006-07-19 Eric Christopher <echristo@apple.com>
2522 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2523 Rewrite dependencies for libgcc_s.1.dylib.
2525 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2527 * except.c (duplicate_eh_regions_1): Clear next_peer.
2529 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2531 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2532 -mlongcall does not guarantee all calls will be long.
2533 * doc/extend.texi (long_call/short_call): Document that longcall
2534 does not guarantee a long call will be used.
2535 (longcall/shortcall): Likewise.
2537 2006-07-18 Roger Sayle <roger@eyesopen.com>
2540 * expmed.c (expand_shift): Additionally check that the shift_cost
2541 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2542 before implementing a LSHIFT_EXPR as a sequence of additions.
2543 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2544 middle-end that DImode shifts need to be synthesized by expand.
2546 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2549 * tree-ssa-operands.c (access_can_touch_variable): Update
2551 Return true if ALIAS is .GLOBAL_VAR.
2553 2006-07-18 David Daney <ddaney@avtrex.com>
2555 * gcc.c (display_help): Fix typo in help text.
2557 2006-07-18 Olivier Hainque <hainque@adacore.com>
2559 * tree.h (categorize_ctor_elements): Adjust prototype and add
2560 descriptive comment, both in accordance with the interface change
2562 * varasm.c (constructor_static_from_elts_p): New function.
2563 Whether a constructor node is a valid static constant initializer
2564 if all its elements are.
2565 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2566 * output.h: Declare it.
2567 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2568 is a valid constant initializer instead of computing the number of
2569 non-constant elements. Use constructor_static_from_elts_p for this
2570 purpose. Replace the head comment with an indication that this is a
2571 helper for categorize_ctor_elements.
2572 (categorize_ctor_elements): Same interface change as for the _1
2573 helper. Former head comment from this helper moved here, adjusted to
2574 account for the interface changes.
2575 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2576 (all_zeros_p): Likewise.
2577 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2578 static versions of the constructor from the categorize_ctor_elements
2579 return value instead of the formerly computed number of non-constant
2582 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2584 * configure: Regenerate.
2585 * Makefile.in (build_libsubdir): New configure substitution
2586 (build_libobjdir): New variable.
2587 (BUILD_LIBIBERTY): Use it.
2589 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2592 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2594 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2597 * c-common.c (handle_weakref_attribute): Ignore attribute in
2598 the same conditions the alias attribute is ignored.
2600 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2602 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2603 (dbxout_begin_prologue): Increment scope_labelno.
2605 2006-07-17 Richard Henderson <rth@redhat.com>
2608 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2611 2006-07-17 Roger Sayle <roger@eyesopen.com>
2612 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2614 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2615 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2616 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2617 functions such as sbrk, write, etc.. Add function prototypes.
2618 Convert function declarations from K&R to ISO C. Cast pointers
2619 to "long" and "unsigned long" instead of "int" and "unsigned int".
2620 Convert tokens following #endif into comments.
2622 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2624 * invoke.texi: Remove mention of f77; Reformat table for
2625 inline parameter options correctly; mention that -malign-double
2626 is default on x86-64 targets.
2628 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2630 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2631 (convert_affine_scev, chrec_convert_aggressive): Use
2632 avoid_arithmetics_in_type_p. Do not check for the subtypes
2635 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2638 * optabs.c (expand_doubleword_shift): Wrap the call to
2639 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2641 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2644 * optabs.c (expand_binop): Pass next_methods rather than methods
2645 to expand_doubleword_shift.
2647 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2650 * tree.h (dump_addr): Declare.
2651 * print-tree.c (dump_addr): New function.
2652 (print_node_brief, print_node): Use it.
2653 * print-rtl.c (print_rtx): Likewise.
2654 * common.opt (-fdump-noaddr): New option.
2655 * doc/invoke.texi (-fdump-noaddr): Document.
2656 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2657 (ve_info_hash): Likewise.
2659 2006-07-13 Andrew Haley <aph@redhat.com>
2661 PR tree-optimization/19505
2662 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2663 edge leaving this block, make sure that the destination of this
2664 block has only one predecessor.
2666 2006-07-17 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/28238
2669 * tree-inline.c (copy_bb): Check if we produced valid
2670 gimple copying and substituting a stmt. If not, gimplify
2673 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2675 * optabs.c (maybe_encapsulate_block): New function extracted from...
2676 (emit_libcall_block): ...here. Invoke it on the block of insns to
2677 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2678 (emit_no_conflict_block): Likewise.
2680 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2682 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2684 2006-07-15 Roger Sayle <roger@eyesopen.com>
2686 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2687 a new NOP_EXPR case of the switch statement.
2689 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2692 * stor-layout.c (place_field): Take the bit field with
2693 an excessive size into account in the ms-bitfiled case.
2696 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2697 the previous bit field.
2699 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2702 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2704 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2706 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2707 signal frames correctly even when the signal was installed with
2710 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2712 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2713 (dbxout_function_end): Use local label LFBB. Remove hook
2715 (dbxout_source_line): Use local label LFBB.
2716 (dbxout_block): Likewise.
2717 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2718 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2719 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2720 and DBX_OUTPUT_NFUN.
2722 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2724 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2726 2006-07-13 Jan Hubicka <jh@suse.cz>
2728 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2730 * output.h (align_variable): Declare.
2731 * varasm.c (align_variable): Export.
2732 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2733 when basic block changed.
2735 2006-07-13 Nick Clifton <nickc@redhat.com>
2737 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2738 walking the LOG_LINKS chain.
2740 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2742 * doc/invoke.texi (C++ Dialect Options): Explain difference
2743 between -fvisibility-inlines-hidden and setting hidden
2744 visibility explicitly.
2746 2006-07-12 Eric Christopher <echristo@apple.com>
2748 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2749 (stmp-lipo): Depend on libgcc.a.
2751 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2753 * tree.c: Fix a comment typo.
2755 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2757 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2759 (umulhisi3_r): Likewise.
2761 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2764 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2765 x < 19, vs wchar_t support.
2767 2006-07-12 Nick Clifton <nickc@redhat.com>
2769 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2770 instead of -isa=sh4.
2772 2006-07-12 Mike Stump <mrs@apple.com>
2774 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2776 2006-07-10 Eric Christopher <echristo@apple.com>
2778 * config/t-slibgcc-darwin: Rewrite.
2780 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2783 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2786 2006-07-08 Matthias Klose <doko@debian.org>
2788 * doc/sourcebuild.texi: Fix typo.
2790 2006-07-07 Mike Stump <mrs@apple.com>
2792 * toplev.c (process_options): Don't give -ffunction-sections may
2793 affect debugging warning for Mach-O.
2795 2006-07-07 James E Wilson <wilson@specifix.com>
2797 * config/mips/mips.md (cpu): Add sb1a.
2798 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2799 addition to sb1. Adjust comments to clarify SB-1A differences from
2801 (ir_sb1a_load): New. Modify bypasses to use it.
2802 (ir_sb1a_simple_alu): Likewise.
2803 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2804 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2805 (mips_issue_rate): Add PROCESSOR_SB1A.
2806 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2807 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2808 (TARGET_SB1): Add PROCESSOR_SB1A check.
2809 (TUNE_SB1): Likewise.
2811 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2812 * config/mips/mips.c (mips_store_data_bypass_p): New.
2813 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2814 store_data_bypass_p.
2816 2006-07-08 Paul Brook <paul@codesourcery.com>
2819 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2821 2006-07-07 Richard Guenther <rguenther@suse.de>
2824 * tree.h (build_one_cst): Declare.
2825 * tree.c (build_one_cst): New function.
2826 * tree-ssa-math-opts.c (get_constant_one): Remove.
2827 (insert_reciprocals): Use build_one_cst.
2828 * fold-const.c (fold_plusminus_mult): Likewise.
2830 2006-07-07 Roger Sayle <roger@eyesopen.com>
2832 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2833 * cfgloopanal.c (dump_graph): Likewise.
2834 * dojump.c (discard_pending_stack_adjust): Likewise.
2835 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2837 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2838 * function.c (finalize_block_changes): Likewise.
2839 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2840 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2841 * rtl.c (dump_rtx_statistics): Likewise.
2842 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2844 * varray.c (dump_varray_statistics): Likewise.
2845 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2846 decode_decimal64, encode_decimal128, decode_decimal128,
2847 decimal_real_to_decimal): Likewise.
2849 2006-07-07 Richard Guenther <rguenther@suse.de>
2851 PR tree-optimization/28187
2852 * tree-vrp.c (vrp_operand_equal_p): New function.
2853 (vrp_bitmap_equal_p): Likewise.
2854 (update_value_range): Use them to compare old and new
2857 2006-07-06 Roger Sayle <roger@eyesopen.com>
2859 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2860 a default case to switch statement to silence compiler warnings.
2862 2006-07-06 Roger Sayle <roger@eyesopen.com>
2865 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2866 the configured assembler supports the x87's ffreep mnemonic.
2867 * configure: Regenerate.
2868 * config.in: Regenerate.
2870 * config/i386/i386.c (output_387_ffreep): New function.
2871 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2872 (output_387_reg_move): Likewise.
2874 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2876 Port to hosts whose 'sort' and 'tail' implementations
2877 treat operands with leading '+' as file names, as POSIX
2878 has required since 2001. However, make sure the code still
2879 works on pre-POSIX hosts.
2880 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2881 which says you should use "tail -c +N" rather than "tail +Nc".
2882 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2884 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2886 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2889 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2892 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2893 PRE_{INC,DEC} of TFmode.
2895 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2896 Alan Modra <amodra@bigpond.net.au>
2899 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2902 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2905 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2906 Remove duplicate gtu.
2908 2006-07-05 Jason Merrill <jason@redhat.com>
2912 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2913 * c-common.c (handle_packed_attribute): So don't copy it here.
2914 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2916 2006-07-05 Mike Stump <mrs@apple.com>
2918 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2920 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2923 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2925 2006-07-05 Richard Guenther <rguenther@suse.de>
2928 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2929 TARGET_SSE2 targets if using SSE math.
2930 (*absdf2_1): Likewise.
2932 2006-07-05 Richard Guenther <rguenther@suse.de>
2934 PR tree-optimization/28162
2935 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2936 make sure to convert the operands to the correct type.
2938 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2940 PR tree-optimization/28218
2942 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2943 to calculate and free the dominator information.
2945 2006-07-04 Peter O'Gorman <peter@pogma.com>
2947 * mklibgcc.in: chmod 644 before ranlib during install.
2949 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2950 J"orn Rennecke <joern.rennecke@st.com>
2952 * configure.ac (.eh_frame data check): Use diff -b.
2954 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2957 * Makefile.in (BUILD_RTL): Add build/vec.o.
2958 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2959 (build/genextract): Delete.
2960 (build/genautomata): Likewise.
2962 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2965 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2966 128-bit IBM long doubles for ABI_V4.
2968 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2970 * tree.c (range_in_array_bounds_p): New predicate.
2971 * tree.h (range_in_array_bounds_p): Declare it.
2972 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2973 return a less conservative answer.
2974 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2975 and flag 'is_group'.
2976 (IS_ELEMENT_FOR_GROUP): New macro.
2977 (FOR_EACH_ACTUAL_CHILD): Likewise.
2978 (next_child_for_group): New helper function.
2979 (can_completely_scalarize_p): Take into account groups.
2980 (sra_hash_tree): Handle RANGE_EXPR.
2981 (sra_elt_eq): Likewise.
2982 (lookup_element): Be prepared for handling groups.
2983 (is_valid_const_index): Delete.
2984 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2985 instead of is_valid_const_index.
2986 <ARRAY_RANGE_REF>: New case.
2987 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2988 is_valid_const_index.
2989 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2990 (scan_dump): Dump info for groups too.
2991 (decide_instantiation_1): Likewise.
2992 (decide_block_copy): Assert that the element is not a group.
2993 Propagate decision to groups.
2994 (generate_one_element_ref): Handle RANGE_EXPR.
2995 (mark_no_warning): Iterate over actual childs.
2996 (generate_copy_inout): Likewise.
2997 (generate_element_copy): Likewise.
2998 (generate_element_zero): Likewise.
2999 (generate_element_init_1): Likewise.
3000 (dump_sra_elt_name): Handle RANGE_EXPR.
3002 2006-07-03 Roger Sayle <roger@eyesopen.com>
3004 PR tree-optimization/26251
3005 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3006 (thread_block): When optimizing for size refuse to thread jumps
3007 that would require duplication of blocks other than redirection
3010 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3012 * configure.ac: Fix thinko in previous check-in.
3013 * configure: Regenerate.
3015 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3018 * configure.ac (for lang...): Simplify nesting of conditionals.
3019 Test subdir_requires for non-enabled languages. Move processing
3020 of lang_opt_files and lang_tree_fiels below that test.
3021 * configure: Regenerate.
3022 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3024 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3026 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3028 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3030 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3033 2006-06-29 Jason Merrill <jason@redhat.com>
3040 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3041 * c-common.c (c_determine_visibility): Handle it here.
3042 * c-decl.c (finish_decl): Call c_determine_visibility for
3044 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3046 * varasm.c (default_assemble_visibility): Likewise.
3047 * c-common.c (handle_visibility_attribute): Complain about trying
3048 to give visibility to an already defined class, or trying to change
3049 declared visibility. Always attach the attribute.
3054 * attribs.c (decl_attributes): Ignore type-in-place attributes
3055 once the type has been defined.
3057 2006-06-29 Roger Sayle <roger@eyesopen.com>
3060 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3061 to indicate the cpplib has issued an error message for us.
3063 2006-06-29 Asher Langton <langton2@llnl.gov>
3066 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3067 insert a label at the end of an function under Mach-O.
3069 2006-06-29 Eric Christopher <echristo@apple.com>
3070 Evan Cheng <evan.cheng@apple.com>
3072 * predicates.md (vector_all_ones_operand): New.
3073 (nonimmediate_or_sse_const_operand): Ditto.
3074 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3075 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3076 (standard_sse_mode_p): Ditto.
3077 (standard_sse_constant_p): Add case for -1 vector.
3078 (ix86_expand_vector_move): Try to use.
3079 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3080 Call standard_sse_constant_opcode.
3081 (*movv4sf_internal): Ditto.
3082 (*movv2df_internal): Ditto.
3084 2006-06-29 Roger Sayle <roger@eyesopen.com>
3086 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3087 of XEXP to extract the operands of a MATCH_CODE rtx.
3089 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3091 * tree.c (tree_size): Do not waste tail padding in
3092 struct tree_string and make the size be the same as
3093 build_string will generate.
3095 2006-06-28 Jason Merrill <jason@redhat.com>
3098 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3099 may_aliases already in the tag's annotations to the bitmap.
3101 2006-06-28 Roger Sayle <roger@eyesopen.com>
3103 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3105 2006-06-28 Roger Sayle <roger@eyesopen.com>
3107 * genpreds.c (generate_switch_p): New function.
3108 (add_mode_tests): Push the new mode test down inside an AND expr
3109 if this allows the switch-suitable MATCH_CODE to be near the root.
3110 (write_match_code_switch): New function to write a MATCH_CODE as
3112 (write_predicate_stmts): New function to write a predicate RTX
3113 expression as a sequence of statements.
3114 (write_one_predicate_function): Use write_predicate_stmts.
3115 (write_tm_constrs_h): Likewise.
3117 2006-06-26 Fred Fish <fnf@specifix.com>
3119 * config/mips/t-sb1: New file.
3120 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3123 2006-06-26 DJ Delorie <dj@redhat.com>
3125 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3127 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3128 Jayant Sonar <jayants@kpitcummins.com>
3129 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3131 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3132 (subsi3, subsi3_1, subsi3_2): New.
3133 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3134 * config/m32c/mov.md (SI mov peephole): New.
3135 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3136 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3138 2006-06-26 Olivier Hainque <hainque@adacore.com>
3140 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3141 a CALL_EXPR target function declaration.
3143 2006-06-26 Richard Guenther <rguenther@suse.de>
3145 * tree.c (build_string): Do not waste tail padding in
3148 2006-06-26 Richard Guenther <rguenther@suse.de>
3150 * ggc-page.c (init_ggc): Add missing element to size_lookup
3154 2006-06-23 Richard Guenther <rguenther@suse.de>
3156 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3157 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3158 alignment requests instead. Add verification code.
3159 Add struct tree_function_decl and struct tree_binfo size to
3160 extra_order_size_table. Add missing element to size_lookup
3163 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3166 * fold-const.c (const_binop): Be prepared for self returning zero.
3167 Simplify code handling complex values.
3169 2006-06-24 Olivier Hainque <hainque@adacore.com>
3171 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3172 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3175 2006-06-24 Olivier Hainque <hainque@adacore.com>
3177 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3178 ARRAY_REF, so have the callback called for the low bound expression.
3180 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3182 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3183 * c-typeck.c (c_common_type): Disallow operations on decimal float
3184 types and other float types.
3185 * convert.c (convert_to_real): Don't ignore conversions involving
3186 decimal float types.
3188 2006-06-23 Olivier Hainque <hainque@adacore.com>
3190 * tree.c (max_int_size_in_bytes): New function, inspired from
3191 code in function.c:assign_temp.
3192 * tree.h (max_int_size_in_bytes): Declare.
3193 * function.c (assign_temp): Use it.
3194 * gimplify.c (create_tmp_var): Relax the assertions on the type
3195 properties, not mandating constant size any more.
3196 (force_constant_size): New static function.
3197 (gimple_add_tmp_var): Use it, forcing variable size to a
3198 constant upper bound if it is not constant on entry.
3200 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3203 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3204 for initialization and setting of one_only flag to ...
3205 (i386_pe_encode_section_info): ...here.
3206 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3207 Recheck that the symbol has not been defined.
3209 2006-06-23 Richard Guenther <rguenther@suse.de>
3211 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3212 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3213 alignment requests instead. Add verification code.
3214 Add struct tree_function_decl and struct tree_binfo size to
3215 extra_order_size_table. Add missing element to size_lookup
3218 2006-06-22 Roger Sayle <roger@eyesopen.com>
3219 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3222 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3223 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3225 2006-06-23 Ben Elliston <bje@au.ibm.com>
3227 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3228 negate dn -- manipulate it directly.
3230 2006-06-22 Roger Sayle <roger@eyesopen.com>
3231 Steven Bosscher <stevenb.gcc@gmail.com>
3234 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3235 generated by gen_move_insn to add REG_LABEL notes if necessary.
3237 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3239 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3240 (leaf_entry): Remove use of MIN_ESA.
3242 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3244 PR rtl-optimization/28121
3245 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3248 2006-06-21 DJ Delorie <dj@redhat.com>
3250 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3252 (mulhisi3_r): Likewise.
3254 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3257 * coverage.c (coverage_counter_alloc): Leave the index type
3259 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3262 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3264 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3265 section from the "Options for Code Generation Conventions".
3267 2006-06-21 Richard Henderson <rth@redhat.com>
3271 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3273 (global_symbolic_operand): Allow weak symbols, even if local_p.
3275 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3277 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3278 (find_interesting_uses_address): Punt if above function returns true.
3280 2006-06-21 Richard Guenther <rguenther@suse.de>
3282 * configure: Regenerated.
3284 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3286 * config/mips/mips.c (function_arg): Where one part of a
3287 complex argument is in registers and the other part in the stack,
3288 return a REG not a PARALLEL.
3290 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3292 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3293 when cross-compiling. Do not substitute libstdcxx_incdir.
3294 * configure: Regenerated.
3296 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3298 * varasm.c (mergeable_string_section): Check for embedded NULs and
3299 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3300 rather than TREE_STRING_LENGTH bytes.
3302 2006-06-21 Richard Guenther <rguenther@suse.de>
3304 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3305 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3308 2006-06-21 Richrad Guenther <rguenther@suse.de>
3310 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3311 Limit iteration over the dominators.
3313 2006-06-20 Roger Sayle <roger@eyesopen.com>
3315 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3316 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3318 2006-06-20 Richard Guenther <rguenther@suse.de>
3319 Michael Matz <matz@suse.de>
3321 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3323 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3324 * et-forest.h (et_free_pools): Prototype new function.
3325 * et-forest.c (et_free_tree_force): Free parent occurrence.
3326 (et_free_pools): New function.
3327 * dominance.c (free_dominance_info): Free et-forest alloc
3330 2006-06-20 Roger Sayle <roger@eyesopen.com>
3332 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3333 integer modes, attempt to directly construct an integer constant.
3335 * fold-const.c (native_encode_vector): Determine the size of each
3336 element from the vector type instead of the first vector element.
3338 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3339 if all of its elements/components are constant.
3340 (build_constructor_from_list): Likewise.
3342 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3344 PR tree-optimization/27331
3345 * tree-data-ref.c (free_data_ref): New function.
3346 (create_data_ref): Fail if the data reference has unknown access
3348 (free_data_refs): Use free_data_ref.
3350 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3353 * tree-inline.c (setup_one_parameter): Strip useless
3354 type conversion before adding it to the IR.
3355 (declare_return_variable): Likewise.
3357 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3360 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3362 2006-06-19 Mike Stump <mrs@apple.com>
3364 * tree.c (variably_modified_type_p): VM arguments don't make the
3367 2006-06-19 Richard Guenther <rguenther@suse.de>
3369 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3370 type conversions after folding.
3372 2006-06-19 Richard Guenther <rguenther@suse.de>
3374 * ggc-page.c (extra_order_size_tab): Add entries with
3375 size of struct function and basic_block.
3376 (size_lookup): Extend to cover sizes up to 511.
3377 (ggc_alloc_stat): Adjust user.
3378 (ggc_pch_count_object): Likewise.
3379 (ggc_pch_alloc_object): Likewise.
3380 (ggc_pch_write_object): Likewise.
3382 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3384 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3385 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3388 2006-06-19 Denis Chertykov <denisc@overta.ru>
3390 * config/avr/libgcc.S : Correct my wrong previous commit.
3392 2006-06-19 Roger Sayle <roger@eyesopen.com>
3395 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3396 have stripped a SUBREG from the shift count, so we may need to
3397 convert_to_mode back to the type's mode before calling make_tree.
3398 Use new_amount instead of amount to avoid expanding a tree twice.
3400 2006-06-19 Richard Guenther <rguenther@suse.de>
3403 * fold-const.c (operand_equal_p): Check if the argument types
3404 have the same precision before stripping NOPs.
3406 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3408 Fix PR tree-optimization/27341
3409 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3411 * tree-complex.c (pass_lower_complex): Update SMT usage.
3413 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3415 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3416 Add a new alternative to the constraint strings. Add move of
3417 operand 1 to 3 to the splitter definition.
3418 ("doloop_si_long"): Second contraint alternative removed.
3420 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3422 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3423 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3425 (AVR_HAVE_MOVW) Define.
3426 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3427 (ASM_SPEC): Add avr25.
3428 (LINK_SPEC): Add avr25.
3429 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3430 (base_arch_s): Add new member 'have_movw_lpmx'.
3431 (avr_arch_types): Init 'have_movw_lpmx'.
3432 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3433 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3434 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3435 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3436 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3438 (avr_file_start): Do not output '.arh' derective.
3439 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3440 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3441 * config/avr/avr.md (mcu_enhanced): Delete.
3442 (mcu_have_movw): Define.
3443 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3444 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3445 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3446 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3447 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3448 attiny861 and at86rf401 devices.
3450 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3452 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3455 2006-06-17 Karl Berry <karl@gnu.org>
3457 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3458 doc/gccint.texi, doc/install.texi (@dircategory): Use
3459 "Software development" instead of "Programming", following
3460 the Free Software Directory.
3462 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3464 * config/i386/i386.c (legitimate_tls_address)
3465 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3466 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3467 (*tls_dynamic_gnu2_combine_64): Likewise.
3469 2006-06-16 Richard Guenther <rguenther@suse.de>
3472 * fold-const.c (negate_expr_p): Do not introduce undefined
3473 overflow in negating INTEGER_CSTs.
3474 (fold_negate_expr): Rename from negate_expr. Revert last
3475 change for folding BIT_NOT_EXPR. Change semantics to
3476 return NULL_TREE for non-simplified negations. Do not
3477 strip type conversions and unify type handling.
3478 (negate_expr): New function, wrap around fold_negate_expr
3479 but ensure building a tree always. Strip type conversions
3480 here, fold to result type.
3481 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3483 2006-06-16 Roger Sayle <roger@eyesopen.com>
3486 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3487 that (would) return their results in stack registers.
3489 2006-06-16 Michael Matz <matz@suse.de>
3490 Richard Guenther <rguenther@suse.de>
3492 * fold-const.c (fold_truthop): Only return new tree node if
3493 we canonicalized something.
3495 2006-06-16 Richard Guenther <rguenther@suse.de>
3497 * function.h (enum function_frequency): Move declaration
3498 out of struct function.
3499 (struct function): Move bool fields and the enum to the bitfield
3500 section. Reorder elements to avoid padding. Remove unused
3501 fields left over from the RTL inliner removal.
3502 * function.c (free_after_compilation): Do not zero removed fields.
3503 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3504 (ipa-type-escape.o): Likewise.
3506 2006-06-16 Richard Guenther <rguenther@suse.de>
3508 * cgraph.h (struct cgraph_local_info): Turn bool elements
3510 (struct cgraph_node): Likewise.
3511 (struct cgraph_varpool_node): Likewise.
3513 2006-06-15 Richard Guenther <rguenther@suse.de>
3515 * fold-const.c (fold_truth_not_expr): Rename from
3516 invert_truthvalue. Give it fold_* semantics to avoid
3518 (invert_truthvalue): New function. Wrapper around
3519 fold_truth_not_expr.
3520 (optimize_minmax_comparison): Avoid creating garbage.
3521 (fold_unary): Use fold_truth_not_expr for folding
3523 (fold_ternary): Replace uses of invert_truthvalue with
3524 fold_truth_not_expr where applicable.
3525 * tree.h (fold_truth_not_expr): Prototype.
3527 2006-06-16 Richard Guenther <rguenther@suse.de>
3529 PR tree-optimization/27781
3530 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3531 * ipa-pure-const.c (target.h): Include.
3532 (analyze_function): Do not analyze functions that do not
3535 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3538 * tree-dfa.c (referenced_vars_dup_list): Remove.
3539 (find_referenced_vars): Remove assert.
3540 (referenced_var_check_and_insert): Replace dup list with assert.
3541 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3542 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3544 2006-06-15 Richard Guenther <rguenther@suse.de>
3546 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3547 extra unused identifiers if not dumping.
3548 (create_variable_info_for): Likewise.
3550 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3552 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3553 (derive_constant_upper_bound): Derive more precise upper bound in
3554 common cases. Return type changed to double_int.
3555 (record_estimate): Reflect the changed return type of
3556 derive_constant_upper_bound.
3557 * double-int.c (double_int_zext, double_int_sext): Fix.
3559 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3561 * configure.ac (CFLAGS): Get them from the toplevel or from the
3562 configure invocation.
3563 * configure: Regenerate.
3564 * Makefile.in (CFLAGS): Substitute value provided by configure.
3566 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3569 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3570 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3571 rather than calling add_stmt on it.
3572 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3574 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3577 * reload1.c (reload): Remove registers returned by update_eliminables
3578 from used_spill_regs.
3580 2006-06-13 DJ Delorie <dj@redhat.com>
3582 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3584 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3586 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3587 html__strip_dir, html__mkdir_p. Enhance install-html target.
3588 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3589 * configure: Regenerate.
3591 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3593 * fold-const.c (fold_cond_expr_with_comparison): Check for
3594 Objective-C++ as language in deciding COND_EXPR transformation.
3596 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3599 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3600 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3601 * config/sh/lib1funcs.h (SL, SL1): Define.
3602 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3603 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3604 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3605 (OBJS_Os_4_200): New variable.
3606 ($(T)libgcc-Os-4-200.a): Use it.
3607 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3608 when dividing 1 and/or by 0.
3610 2006-06-13 Roger Sayle <roger@eyesopen.com>
3612 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3613 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3614 * configure: Regenerate.
3616 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3618 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3619 for real instruction.
3621 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3624 * haifa-sched.c (check_cfg): Handle special case.
3626 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3629 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3630 Add debug_info parameter. Chain the vars to the BLOCK instead
3631 of the BIND_EXPR if debug info are requested for them.
3632 (pop_gimplify_context): Adjust for above change.
3633 (gimple_add_tmp_var): Likewise.
3634 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3636 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3637 (convert_local_reference): Likewise.
3638 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3639 (finalize_nesting_tree_1): Request that debug info be emitted
3640 for debug_var_chain.
3642 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3644 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3645 for PR target/27863.
3647 2006-06-13 Richard Guenther <rguenther@suse.de>
3650 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3652 2006-06-13 Richard Guenther <rguenther@suse.de>
3654 PR tree-optimization/27830
3655 * tree-inline.c (copy_body_r): For copying the operand
3656 of an ADDR_EXPR make sure to fold &* afterwards.
3658 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3660 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3661 lvalues in the fb_none case with side-effects.
3663 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3665 * tree-flow.h: Remove the prototype for
3666 compute_phi_arg_on_exit.
3667 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3668 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3671 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3673 * builtins.c (expand_builtin_return_addr): Only use
3674 frame_pointer_rtx when count == 0 and we are expanding
3675 __builtin_return_address.
3677 2006-06-12 Fred Fish <fnf@specifix.com>
3679 * config/mips/mips.c (mips_file_start): Create special section
3680 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3682 2006-06-11 Eric Christopher <echristo@apple.com>
3685 * stor-layout.c (place_field): Remove check for
3686 remaining_in_alignment when aligning at the end of a run.
3688 2006-06-11 Eric Christopher <echristo@apple.com>
3691 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3694 2006-06-11 Roger Sayle <roger@eyesopen.com>
3697 Revert incorrect fix for PR target/27158
3698 2006-05-08 Roger Sayle <roger@eyesopen.com>
3699 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3700 of a reg_equiv_constant if the result is a legitimate constant.
3702 2006-06-11 Roger Sayle <roger@eyesopen.com>
3705 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3706 extract a CONST_VECTOR element and interpret it as an integer.
3707 (vspltis_constant): Use const_vector_elt_as_int instead of the
3708 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3709 * config/rs6000/predicates.md (easy_vector_const): Consider
3710 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3712 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3715 * stor-layout.c (update_alignment_for_field): Don't add extra
3716 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3719 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3721 * config/mips/t-rtems: Add EL/EB multilib variants.
3723 2006-06-09 Mike Stump <mrs@apple.com>
3725 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3727 2006-06-09 David Daney <ddaney@avtrex.com>
3729 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3731 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3733 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3735 2006-06-09 Richard Guenther <rguenther@suse.de>
3737 PR tree-optimization/26998
3738 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3739 of signed types, only TYPE_MIN_VALUE is special, but for both,
3740 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3741 in this case, as is -fwrapv.
3743 2006-06-08 Mike Stump <mrs@apple.com>
3746 * config/darwin.c (darwin_asm_output_anchor): Disable
3747 -fsection-anchors on darwin for now.
3748 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3749 * rs6000/rs6000.c (optimization_options): Likewise.
3751 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3754 * config/i386/i386.c (classify_argument): Skip fields with invalid
3757 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3759 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3760 (cse_insn): Likewise for the stack_pointer_rtx.
3762 2006-06-08 Roger Sayle <roger@eyesopen.com>
3764 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3765 conditions from floating point comparisons.
3767 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3770 * expmed.c (struct alg_hash_entry): Fix type of field T
3771 to match synth_mult argument.
3772 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3774 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3777 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3780 2006-06-08 Richard Guenther <rguenther@suse.de>
3783 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3784 only, if overflow is defined and not trapping.
3785 (negate_expr): Likewise.
3787 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3789 PR tree-optimization/27872
3790 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3791 flag on the new exit edge of the unrolled loop.
3793 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3795 PR rtl-optimization/26449
3796 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3798 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3801 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3802 referenced_variables with matching DECL_UID's.
3803 (find_referenced_vars): Make sure duplicate list is empty to start.
3804 (referenced_var_p): Remove.
3805 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3806 Check if var is in the list, and add if needed. Update the duplicate
3807 list if a different var is in the list with the same DECL_UID.
3808 (add_referenced_var): Call routine to check and insert.
3809 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3810 * tree-flow.h (referenced_vars_dup_list): External declaration.
3812 2006-06-07 Fred Fish <fnf@specifix.com>
3814 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3817 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3820 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3821 the imaginary and real parts of a clobbered register.
3822 Emit insn to set the imaginary part.
3824 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3826 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3827 in lieu of unwind-dw2-fde.c.
3829 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3831 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3833 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3836 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3837 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3838 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3839 V4SImode temporaries and operations instead.
3841 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3843 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3846 2006-06-06 Mike Stump <mrs@apple.com>
3848 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3849 installing during build.
3851 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3853 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3855 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3856 * config/ia64/ia64.c (params.h): New header.
3857 (ia64_optimization_options): New function to adjust parameters.
3858 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3859 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3860 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3862 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3864 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3866 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3869 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3871 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3872 Victor Kaplansky <victork@il.ibm.com>
3874 PR tree-optimization/26360
3875 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3878 2006-06-04 Roger Sayle <roger@eyesopen.com>
3879 Andrew Pinski <pinskia@physics.uc.edu>
3882 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3883 for LABEL_DECL before calling DECL_WEAK.
3886 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3887 LABEL_DECL and PARM_DECL.
3889 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3893 * c-decl.c (grokdeclarator): Disallow variably modified types at
3894 file scope. Avoid marking shared array type of constant size as
3897 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3900 * c-common.c (fold_offsetof_1): Handle static members.
3902 2006-06-04 Eric Christopher <echristo@apple.com>
3904 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3905 (debug_rli): Output value for remaining_in_alignment.
3906 (update_alignment_for_field): Unconditionalize
3907 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3908 extra alignment code.
3909 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3910 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3911 * tree.h (record_layout_info_s): Remove prev_packed.
3912 * doc/extend.texi (ms_struct): Add documentation of format.
3914 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3916 * tree.h: Declare folding_initializer.
3917 * builtins.c (fold_builtin_constant_p): Give definite answer
3918 if folding inside an initializer.
3919 * fold-const.c: Define folding_initializer.
3920 (START_FOLD_INIT): Save and then set folding_initializer.
3921 (END_FOLD_INIT): Restore folding_initializer.
3923 2006-06-04 Richard Guenther <rguenther@suse.de>
3925 PR tree-optimization/27039
3926 * fold-const.c (fold_comparison): Handle pointer comparison
3927 again for all comparison codes. Compare offsets in signed
3929 (fold_binary): Move code from here.
3931 2006-06-03 Roger Sayle <roger@eyesopen.com>
3934 * config/i386/i386.c (construct_container): Split static issued_error
3935 flag into issued_sse_arg_error, issued_sse_ret_error and
3936 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3937 requires the use of x87 registers and the user explicitly
3938 specified the -mno-80387 command line option.
3940 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3942 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3943 HAVE_DECL_SIGALTSTACK.
3945 (segv_handler): Use MC_FLD.
3946 * configure.ac: Check for a sigaltstack declaration.
3947 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3948 * configure: Regenerate.
3949 * config.in: Regenerate.
3951 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3954 * Makefile.in (stmp-fixinc): Fix typo.
3956 2006-06-02 Roger Sayle <roger@eyesopen.com>
3958 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3959 are type correct. Clean-up.
3960 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3961 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3963 2006-06-01 DJ Delorie <dj@redhat.com>
3965 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3966 shift, as we've disabled the "switch" insn that needs it.
3968 2006-06-01 Per Bothner <bothner@bothner.com>
3970 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3971 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3972 * c-ppoutput.c (cb_define): Don't increment line 0.
3974 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3976 * doc/invoke.texi: Add cpu_type power6.
3977 * config.gcc: Add cpu_type power6.
3978 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3979 to power5+ with Altivec.
3980 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3981 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3983 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3985 * config/avr/avr.h (SET_ASM_OP): Define.
3987 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3989 * config/bfin/bfin.c: Fix comment typos.
3991 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3994 * doc/install.texi: Document --enable-bootstrap and
3995 --disable-bootstrap.
3997 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3999 * doc/install.texi: Document that InfoZIP can replace jar.
4001 2006-05-31 Roger Sayle <roger@eyesopen.com>
4003 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4004 isn't available, directly generate the simpler x87 patterns without
4005 the (use (const_int 0)).
4006 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4007 implementation isn't available.
4008 (*negdf2_1): Likewise.
4009 (*negxf2_1): XF mode negation is always done using the x87.
4010 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4012 2006-05-31 Roger Sayle <roger@eyesopen.com>
4014 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4015 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4017 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4019 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4021 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4022 * config/bfin/bfin.c (basic-block.h): Include.
4023 (struct machine_function): New.
4024 (bfin_init_machine_status): New.
4025 (override_options): Initialize init_machine_status.
4026 (bfin_hardware_loop): New.
4027 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4028 (DEF_VEC_P (loop_info)): New.
4029 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4030 (struct loop_info): New.
4031 (loop_info): New typedef.
4032 (struct loop_work): New.
4033 (loop_work): New typedef.
4034 (DEF_VEC_O (loop_work)): New.
4035 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4036 (bfin_dump_loops): New.
4037 (bfin_bb_in_loop): New.
4038 (bfin_scan_loop): New.
4039 (bfin_optimize_loop): New.
4040 (bfin_reorg_loops): New.
4041 (bfin_reorg): Use bfin_reorg_loops.
4042 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4044 (I_REGNO_P): Simplify.
4045 (DP_REGNO_P, DPREG_P): New macros.
4046 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4047 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4048 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4049 Add LT_REGS, LC_REGS, LB_REGS.
4050 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4052 (REGNO_REG_CLASS): Deal with loop registers.
4053 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4055 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4056 New constants for loop registers.
4057 (UNSPEC_LSETUP_END): New.
4058 (seq_insns): New define_attr. Set it for appropriate insns.
4059 (movsi_insn): Add alternatives for move from/to
4060 loop count registers.
4061 (doloop_end): New define_expand.
4062 (loop_end): New define_insn.
4063 (define_split for bad doloop_end): New.
4064 (lsetup_with_autoinit): New define_insn.
4065 (lsetup_without_autoinit): New define_insn.
4066 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4067 * config/bfin/predicates.md (lc_register_operand): New.
4068 (lt_register_operand): New.
4069 (lb_register_operand): New.
4070 (nondp_register_operand): New.
4071 (nondp_reg_or_memory_operand): New.
4072 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4074 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4076 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4077 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4079 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4081 * Makefile.in (CATALOGS): Add po/ prefix.
4082 * configure: Regenerated.
4084 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4087 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4088 a shift operand before calling shift_op. Avoid redundant call of
4091 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4092 DJ Delorie <dj@redhat.com>
4094 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4095 we're inserting is a singlt-bit constant.
4097 2006-05-30 Roger Sayle <roger@eyesopen.com>
4099 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4100 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4102 2006-05-30 Roger Sayle <roger@eyesopen.com>
4104 PR tree-optimization/23452
4105 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4106 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4107 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4108 complex values and with -ffast-math for FP complex values.
4110 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4112 * c-common.h: Remove the prototype for yyparse.
4113 * rtl.h: Remove the prototype for init_loop.
4115 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4117 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4120 2006-05-30 Roger Sayle <roger@eyesopen.com>
4122 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4124 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4125 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4127 2006-05-30 Dirk Mueller <dmueller@suse.de>
4130 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4131 for CONSTANT_CLASS_P expresisons.
4133 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4136 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4138 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4140 PR tree-optimization/27779
4141 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4142 initial_condition instead of CHREC_LEFT.
4144 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4146 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4147 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4148 Make prototypes ISO C90.
4150 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4151 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4153 * see.c (see_analyze_one_def): Correct check.
4154 (see_get_extension_data): Check if extension is parallel.
4155 (see_get_extension_reg): Likewise.
4157 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4160 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4161 into register for (code == GTU).
4163 2006-05-29 Roger Sayle <roger@eyesopen.com>
4165 PR tree-optimization/24964
4166 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4167 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4168 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4169 abs(x)*abs(x) as x*x for scalar floating point modes.
4171 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4174 * lambda-code.c (perfect_nestify): Don't copy statements
4175 in the inner loop: move them to the inner loop header.
4177 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4180 * c-tree.texi: Document OpenMP directives and clauses.
4182 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4184 * varasm.c (globalize_decl): Fix indentation.
4186 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4189 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4190 pass_fre, pass_store_ccp, pass_copy_prop,
4191 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4192 pass_return_slot, pass_object_size, pass_lim,
4193 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4194 pass_loop_prefetch and pass_stdarg.
4196 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4198 * config/bfin/bfin.opt (mfdpic): New option.
4199 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4200 (EXTRA_MULTILIB_PARTS): Likewise.
4201 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4202 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4204 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4205 (CRT_CALL_STATIC_FUNCTION): New.
4206 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4208 (CRT_CALL_STATIC_FUNCTION): New.
4209 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4211 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4212 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4213 (initialize_trampoline): Changed to handle FD-PIC code generation.
4214 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4215 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4216 (override_options): Disallow -mid-shared-library -mfdpic combination.
4217 Can't do unaligned ops if FD-PIC.
4218 Turn off flag_pic if trying to generate non-id-shared-library
4219 non-fdpic code, since it's not supported.
4220 (bfin_assemble_integer): New function.
4221 (TARGET_ASM_INTEGER): Define.
4222 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4224 * config/bfin/crtn.s: Restore them.
4225 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4227 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4228 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4229 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4230 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4231 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4233 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4234 FDPIC_REGS and FDPIC_FPTR_REGS.
4235 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4236 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4237 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4238 (load_funcdescsi): New pattern.
4239 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4240 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4241 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4243 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4245 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4248 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4250 * tree-flow.h: Remove the prototype for add_type_alias.
4251 * tree-ssa-alias.c (add_type_alias): Remove.
4253 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4255 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4256 config/fr30/fr30.md, config/i386/i386-interix.h,
4257 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4258 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4259 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4260 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4261 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4262 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4263 Follow spelling conventions.
4264 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4265 Follow spelling conventions.
4267 2006-05-27 Richard Guenther <rguenther@suse.de>
4270 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4271 to produce a constant of value 1 of generic type.
4273 2006-05-27 Dirk Mueller <dmueller@suse.de>
4275 * cgraphunit.c (decide_is_function_needed): Fix wrong
4278 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4280 PR rtl-optimization/27661
4281 * reload.c (find_reloads): When reloading a VOIDmode constant
4282 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4283 use Pmode as mode of the reload register.
4285 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4287 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4288 is enabled at -O and above.
4290 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4293 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4296 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4299 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4300 for anonymous variables explicitly declared by front ends.
4302 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4304 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4305 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4306 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4307 ref-all pointers, run a finalization pass for them.
4308 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4309 (finalize_ref_all_pointers): New function.
4310 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4311 regular pointer type to a ref-all pointer type.
4312 (get_tmt_for): Return the special memory tag for ref-all pointers.
4314 2006-05-25 Richard Guenther <rguenther@suse.de>
4317 * fold-const.c (fold_binary): Do not look at the stripped
4318 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4320 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4322 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4323 for LT and GT if the computed range is effectively empty.
4325 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4328 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4329 mips_quad_format formats instead of ieee_single_format,
4330 ieee_double_format and ieee_quad_format formats, respectively.
4332 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4334 PR tree-optimization/27639
4335 PR tree-optimization/26719
4336 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4337 call to scev_probably_wraps_p.
4338 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4339 used_in_pointer_arithmetic_p, convert_step): Removed.
4340 (nowrap_type_p): New function.
4341 (scev_probably_wraps_p): Rewritten.
4342 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4343 chrec_convert if chrec_convert_aggressive might have been used.
4344 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4345 scev_direction): New functions.
4346 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4347 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4348 instead of convert_step.
4349 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4350 (convert_step): Declaration removed.
4351 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4353 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4355 * df-core.c: Added to header comments.
4356 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4357 df_ur_bb_info, df_urec_bb_info): Added comments.
4358 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4359 urec, ri problems): Fixed header comments.
4360 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4361 code from df_rd_transfer_function.
4363 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4365 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4366 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4367 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4369 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4371 * expr.c (undefined_operand_subword_p): New.
4372 (emit_move_multi_word): Do not generate move from undefined bits
4373 of a paradoxical subreg.
4375 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4377 PR rtl-optimization/27736
4378 * combine.c (replaced_rhs_value): New variable.
4379 (combine_instructions): Set it.
4380 (distribute_notes): When distributing a note in replaced_rhs_insn,
4381 check whether the value was used in replaced_rhs_value.
4383 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4386 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4387 add_referenced_var instead of add_referenced_tmp_var.
4388 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4389 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4391 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4392 tree_optimize_tail_calls_1): Use add_referenced_var.
4393 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4394 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4395 Use add_referenced_var.
4396 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4397 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4398 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4399 Use add_referenced_var.
4400 * tree-dfa.c (struct walk_state): Remove.
4401 (find_referenced_vars): Remove walk state and vars_found hash table.
4402 (make_rename_temp): Use add_referenced_var.
4403 (find_vars_r): Pass less parameters to add_referenced_var.
4404 (referenced_var_p): New. Is var in referenced_var hash table.
4405 (referenced_var_insert): Assert var isn't already in hash table.
4406 (add_referenced_var): Don't need walk_state parameter. Add var if it
4407 isn't already in the hash table.
4408 (add_referenced_tmp_var): Remove.
4409 (find_new_referenced_vars_1): Use add_referenced_var.
4410 * tree-ssa-pre.c (create_expression_by_pieces,
4411 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4412 Use add_referenced_var.
4413 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4414 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4415 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4417 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4418 vect_create_data_ref_ptr, vect_create_destination_var,
4419 vect_init_vector, vect_build_loop_niters,
4420 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4421 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4422 Use add_referenced_var.
4423 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4424 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4425 (add_referenced_var): Add prototype.
4426 * tree-ssa-structalias.c (get_constraint_for,
4427 intra_create_variable_infos): Use add_referenced_var.
4429 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4431 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4432 big-endian paradoxical subregs.
4433 * var-tracking.c (struct micro_operation_def): Document that,
4434 for modify micro operations, insn is the subsequent instruction.
4435 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4436 (var_reg_set, var_mem_set): ... new functions.
4437 (add_stores): Record subsequent insn.
4438 (compute_bb_dataflow): Use new functions for MO_USE.
4439 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4440 notes after the insn, and modify notes before the insn known
4441 to be the subsequent one.
4442 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4444 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4447 * config/i386/i386.c (ix86_expand_builtin): Use
4448 gen_sse3_monitor64 for TARGET_64BIT.
4450 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4452 PR rtl-optimization/26375
4453 PR rtl-optimization/26855
4454 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4456 (df_ru_bb_local_compute): Reversed statements and removed bogus
4457 comment explaining why they should be in wrong order.
4458 (df_ru_dump, df_rd_dump): Enhanced debug info.
4459 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4461 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4462 reaching uses and fixed space problem.
4464 2006-05-23 Jan Hubicka <jh@suse.cz>
4466 * cgraphunit.c (decide_is_function_needed): Also nested functions
4467 and functions declared inline can be optimized out at -O0.
4469 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4471 * doc/install.texi (Configuration): Remove reference to CrossGCC
4475 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4478 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4479 ix86_compare_emitted is non-NULL.
4481 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4484 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4487 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4489 PR rtl-optimization/25514
4490 * combine.c (replaced_rhs_insn): New variable.
4491 (combine_instructions): Set replaced_rhs_insn when trying to replace
4492 a SET_SRC with a REG_EQUAL note.
4493 (distribute_notes): Use replaced_rhs_insn when determining the live
4494 range of a REG_DEAD register.
4496 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4497 Anatoly Sokolov <aesok@post.ru>
4499 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4500 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4501 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4502 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4503 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4504 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4505 at90usb647, at90usb1286 and at90usb1287 devices.
4506 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4507 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4509 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4511 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4513 2006-05-22 Richard Guenther <rguenther@suse.de>
4516 2006-01-31 Richard Guenther <rguenther@suse.de>
4517 Paolo Bonzini <bonzini@gnu.org>
4519 * doc/install.texi (--disable-libgcc-math): Document.
4521 2006-05-22 Richard Guenther <rguenther@suse.de>
4524 2006-01-31 Richard Guenther <rguenther@suse.de>
4526 * doc/invoke.texi (-msselibm): Document.
4527 * target.h (expand_library_builtin): New target hook.
4528 * builtins.c (expand_builtin): Use expand_library_builtin.
4529 (default_expand_library_builtin): New function.
4530 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4531 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4532 (link_gcc_math_spec): Declare.
4533 (static_specs): Add link_gcc_math_spec.
4534 * expr.h (default_expand_library_builtin): Declare.
4535 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4536 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4537 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4538 * config/i386/i386.opt (msselibm): New target option.
4539 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4540 (ix86_init_sse_abi_builtins): New function.
4541 (ix86_expand_library_builtin): Likewise.
4542 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4543 (override_options): Handle error conditions wrt -msselibm.
4544 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4545 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4546 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4549 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4552 * c-common.c (self_promoting_args_p): Skip erroneous args.
4555 * c-decl.c (finish_struct): Skip erroneous fields.
4557 2006-05-22 Nick Clifton <nickc@redhat.com>
4559 * config/cris/cris.opt (march): Remove VarExists attribute.
4560 (max-stackframe=): Likewise.
4562 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4564 * doc/rtl.texi: Fix a typo.
4565 * see.c: Fix comment typos.
4567 * tree-ssa-structalias.h (alias_info): Remove num_references.
4569 2006-05-21 Mike Stump <mrs@apple.com>
4571 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4573 (darwin_pragma_options): Use BAD instead.
4574 (darwin_pragma_unused): Likewise.
4575 (darwin_pragma_ms_struct): Likewise.
4577 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4579 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4581 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4583 PR rtl-optimization/27671
4584 * simplify-rtx.c (simplify_relational_operation_1): Fix
4585 simplifications of (eq/ne (xor x y) y) and
4586 (eq/ne (xor x y) x).
4588 PR tree-optimization/26622.
4589 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4592 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4594 * tree-cfg.c: Prune whitespace.
4595 (debug_tree_cfg): Point to correct header containing the
4598 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4601 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4603 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4606 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4607 or sorry count is non zero.
4609 2006-05-20 Andreas Schwab <schwab@suse.de>
4611 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4613 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4614 Kenneth Zadeck <zadeck@naturalbridge.com>
4616 PR rtl-optimization/26855
4618 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4620 (df_scan_alloc): Added code to properly handle multiword hard
4621 registers and add all_blocks parameter.
4622 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4623 code to properly handle multiword hard registers.
4624 (df_rescan_blocks): Added code to remove deleted blocks from
4626 (df_ref_create_structure, df_ref_record): Added code to properly
4628 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4629 and set DF_REF_PARTIAL.
4630 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4631 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4632 (df_scan_add_problem): Added flags parameter.
4633 (df_ref_create_structure): Changed switching structure.
4634 (df_bb_refs_record): Fixed case where duplicate artificial refs
4635 were created. Changed location of flags.
4636 (df_record_entry_block_defs): Added code to make stack pointer
4637 live in entry block. Refined cases where frame pointer is needed.
4638 Changed location of flags.
4639 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4640 (df_set_state): Removed function.
4641 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4642 df_insn_create_insn_record, df_insn_refs_delete,
4643 df_ref_create_structure): Formatting changes.
4644 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4645 df_delete_basic_block): New function.
4646 (df_init): Changed location of flags.
4647 (df_add_problem): Added flags parameter and the way flags are
4649 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4650 debug_df_chain): Improved debugging output.
4651 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4652 (df_refs_chain_dump): Removed df parameter.
4653 (df_iterative_dataflow): Added consistency check.
4654 (df_prune_to_subcfg): Made public.
4655 (df_analyze_problem): Added blocks_to_init parameter and made
4657 (df_ref_record, df_bb_refs_record, df_mark_reg,
4658 df_record_exit_block_uses): Whitespace changes.
4659 (df_dump): Whitespace changes.
4660 * df.h: Some reordering to remove forward references.
4661 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4662 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4663 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4664 (dataflow.flags): New field.
4665 (df.flag): Deleted field.
4666 (df_alloc_function): Added additional bitmap parameter.
4667 (df_dependent_problem_function): New type.
4668 (df_problem.changeable_flags): New field.
4669 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4670 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4671 (df_mw_hardreg): New struct.
4672 (DF_INSN_UID_MWS): New macro.
4673 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4675 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4676 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4677 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4678 (df_set_state): Removed function.
4679 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4680 * df-problems.c (df_chain_dump): Removed df parameter.
4681 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4682 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4684 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4685 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4686 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4687 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4688 DF_REF_MUST_CLOBBER cases.
4689 (df_ru_bb_local_compute_process_def,
4690 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4691 df_lr_bb_local_compute, df_ur_bb_local_compute,
4692 df_chain_create_bb): Made subreg aware.
4693 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4694 df_lr_bb_local_compute, df_lr_bb_local_compute,
4695 df_chain_create_bb): Cleanup to use proper macros.
4696 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4697 code to fixup bitvectors.
4698 (df_ri_alloc): Cleared lifetime.
4699 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4700 df_create_unused_note): New function.
4701 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4702 REG_DEAD and REG_UNUSED notes as well as register information.
4703 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4704 df_chains_dump): Fixed crash if problem was never run.
4705 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4706 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4707 df_ri_add_problem): Processes flags in uniform manner.
4708 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4709 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4710 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4711 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4712 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4713 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4714 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4715 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4716 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4717 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4718 * see.c (see_initialize_data): Ditto.
4719 * final.c (rest_of_clean_state) Added regstack_completed.
4720 * rtl.h (regstack_completed): Ditto.
4721 * reg-stack.c (regstack_completed): Ditto.
4723 2006-05-19 Mike Stump <mrs@apple.com>
4725 * c-tree.h (default_conversion): Remove.
4726 * c-common.h (default_conversion): Add.
4728 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4730 * tree-vrp.c (valid_value_p): New function.
4731 (adjust_range_with_scev): Fail if the value of bound is not
4734 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4736 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4737 (mips_fallback_frame_state): Use syscall numbers to determine
4738 the appropriate li instruction for the current ABI. Only use
4739 __NR_sigreturn for o32.
4741 2006-05-19 Nicolas Setton <setton@adacore.com>
4743 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4744 * langhooks.c (lhd_dwarf_name): New function.
4745 * langhooks-def.h (lhd_dwarf_name): Declare.
4746 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4747 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4748 * ada/misc.c (gnat_dwarf_name): New function.
4749 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4751 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4753 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4755 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4756 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4757 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4758 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4759 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4760 determine the size of Wtype, etc.
4761 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4762 (swfloatfuncs): New variable.
4763 (dwfloatfuncs): Likewise.
4764 (lib2funcs): Remove floating-point conversion functions from
4765 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4766 the set of conversion routines needed. Allow entries to specify
4767 an object name, filename and word size. Update users accordingly.
4768 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4769 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4773 2006-02-08 Roger Sayle <roger@eyesopen.com>
4776 * config/fixtfdi.c: New libgcc source file.
4777 * config/fixunstfdi.c: New source file.
4778 * config/floatditf.c: New source file.
4779 * config/floatunditf.c: New souce file.
4780 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4781 files above instead of config/mips/_tilib.c.
4782 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4784 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4786 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4787 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4789 2006-05-18 Mike Stump <mrs@apple.com>
4791 Fix up vla, vm and [*] sematics.
4797 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4798 (c_vla_unspec_p): Add.
4799 (c_vla_type_p): Add.
4800 * c-decl.c (struct c_scope): Add had_vla_unspec.
4801 (build_array_declarator): Add support for [*].
4802 (grokdeclarator): Likewise.
4803 (grokparms): Likewise.
4804 (get_parm_info): Likewise.
4805 * c-objc-common.c (c_vla_unspec_p): Likewise.
4806 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4807 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4808 typeof when argument is a variably modified type not inside sizeof or alignof.
4809 (c_parser_direct_declarator_inner): Propagate errors.
4810 (c_parser_sizeof_expression): Add support for [*].
4811 (c_parser_parms_declarator): Initialize had_vla_unspec.
4812 (c_parser_parms_list_declarator): Likewise.
4813 * c-typeck.c (c_vla_type_p): Add.
4814 (composite_type): Add support for vla compositing.
4815 (comptypes_internal): Add support for vla compatibility.
4816 (c_expr_sizeof_expr): Evaluate vla arguments.
4817 * tree.c (variably_modified_type_p): Update comment for [*].
4819 2006-05-18 Michael Matz <matz@suse.de>
4822 * config.host: Make assignments to host_xmake_file cumulative.
4823 * config.host (*-darwin*): Test $host, not $target.
4825 2006-05-12 Stuart Hastings <stuart@apple.com>
4827 * config/i386/i386.opt (-mstackrealign): New flag.
4828 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4829 (ix86_handle_cconv_attribute): Emit error when
4830 force_align_arg_pointer attribute collides with too many regparms.
4831 (ix86_function_regparm): Limit regparms when used with
4832 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4833 Support stack-realigning prologue in non-main functions. Emit
4834 warning for nested functions under -mstackrealign, emit error for
4835 nested functions with force_align_arg_pointer attribute.
4836 * doc/extend.texi (force_align_arg_pointer): Document it.
4837 * doc/invoke.texi (-mstackrealign): Document it.
4839 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4841 PR rtl-optimization/27477
4842 * combine.c (try_combine): Don't split a parallel consisting
4843 of two sets into two individual sets if both sets reference
4846 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4848 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4849 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4851 * doc/options.texi (VarExists): Updated.
4853 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4855 * unwind-dw2.c: Add declarations for uw_update_context and
4857 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4858 detected, advance frame state and context once to skip over stub.
4860 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4864 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4865 Call rewrite_into_loop_closed_ssa only when something changed.
4866 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4867 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4868 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4869 Test for perfect_nest_p here. Fix formating.
4870 (replace_uses_equiv_to_x_with_y): Fix formating.
4871 (stmt_uses_op): Removed.
4872 (can_convert_to_perfect_nest): Removed loopivs parameter.
4873 Complete the test by checking the scalar dependences.
4874 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4877 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4880 From Dan Kegel <dank@kegel.com>:
4881 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4883 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4885 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4886 if the element type is variably modified without recursing.
4888 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4891 * tree-loop-linear.c (try_interchange_loops): Test for
4892 no data dependences.
4894 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4896 PR tree-optimization/27548
4897 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4898 range of ssa names that appear on abnormal edges.
4899 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4900 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4902 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4905 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4907 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4910 * tree.h (OMP_PARALLEL_COMBINED): Define.
4911 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4912 (new_omp_context): Add is_combined_parallel argument.
4913 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4914 new_omp_context caller.
4915 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4916 Adjust gimplify_scan_omp_clauses callers.
4917 (omp_is_private): Issue errors if iteration variable is firstprivate
4918 or reduction in the current context.
4919 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4920 on combined parallel workshare constructs.
4922 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4924 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4925 (gcc-options.o): New rule.
4927 * optc-gen.awk: Protect variables for gcc-options.o with
4928 #ifdef GCC_DRIVER/#endif.
4930 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4932 Fix PR tree-optimization/27373
4933 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4934 (forward_propagate_addr_expr): Update call.
4936 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4938 * doc/options.texi: Move the Negative option.
4940 2006-05-16 Richard Guenther <rguenther@suse.de>
4942 PR tree-optimization/22303
4943 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4945 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4946 ccp_fold did not simplify the statement.
4948 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4951 * Makefile.in (GCC_OBJS): New.
4952 (OBJS-common): Add opts-common.o.
4953 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4954 (cpp$(exeext)): Likewise.
4955 (gcc.o): Also depend on opts.h.
4956 (opts-common.o): New.
4958 * common.opt (gcoff): Add Negative(gdwarf-2).
4959 (gdwarf-2): Add Negative(gstabs).
4960 (gstabs): Add Negative(gstabs+).
4961 (gstabs+): Add Negative(gvms).
4962 (gvms): Add Negative(gxcoff).
4963 (gxcoff): Add Negative(gxcoff+).
4964 (gxcoff+): Add Negative(gcoff).
4965 * config/i386/i386.opt (m32): Add Negative(m64).
4966 (m64): Add Negative(m32).
4968 * doc/options.texi: Document the Negative option.
4970 * gcc.c: Include "opts.h".
4971 (main): Call prune_options after expandargv.
4973 * optc-gen.awk: Generate common declarations for all flag
4974 variables in options.c. Output the neg_index field.
4976 * opts.c (find_opt): Moved to ...
4977 * opts-common.c: Here. New file.
4979 * opts.h (cl_option): Add a neg_index field.
4981 (prune_options): Likewise.
4983 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4986 * omp-low.c (expand_omp_parallel): Don't assert
4987 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4988 instead search for it.
4991 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4994 2006-05-16 Andreas Schwab <schwab@suse.de>
4996 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4999 2006-05-15 Roger Sayle <roger@eyesopen.com>
5002 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5003 integer constants other than zero are only legitimate on TARGET_64BIT.
5004 <CONST_VECTOR> Only zero vectors are legitimate.
5005 (ix86_cannot_force_const_mem): Integral and vector constants can
5006 always be put in the constant pool.
5008 2006-05-16 DJ Delorie <dj@redhat.com>
5010 * crtstuff.c (__dso_handle): Set section from
5011 TARGET_LBIGCC_SDATA_SECTION if defined.
5012 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5013 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5015 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5018 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5021 2006-05-16 Ben Elliston <bje@au.ibm.com>
5023 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5025 2006-05-15 Per Bothner <per@bothner.com>
5027 * tree.c: (last_annotated_node): Use source_locus typedef.
5028 This permits bootstrapping with --enable-mapped-location.
5030 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5032 PR tree-optimization/26830
5033 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5034 (info_for_ssa_name, current_info_for_ssa_name_age,
5035 blocks_to_update): New variables.
5036 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5037 (clear_ssa_name_info, initialize_flags_in_bb,
5038 mark_block_for_update): New functions.
5039 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5040 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5041 prepare_def_site_for): Use mark_block_for_update.
5042 (mark_def_interesting): Assert that the processed block is marked in
5043 blocks_to_update. Do not take blocks argument.
5044 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5046 (rewrite_update_init_block, rewrite_update_stmt): Only process
5047 blocks with statements to rewrite.
5048 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5049 (update_ssa): Initialize and free blocks_to_update. Do not
5050 clear flags on statements. Do not use blocks bitmap.
5051 * tree.h (SSA_NAME_AUX): Removed.
5052 (struct tree_ssa_name): Removed aux field.
5053 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5055 2006-05-15 Richard Guenther <rguenther@suse.de>
5057 PR tree-optimization/27603
5058 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5059 Do computations in original type.
5061 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5063 * see.c: Code style changes such as redundant paranthesis,
5064 redundant intialization of local variables etc.
5065 (see_main): Declared now as static.
5066 * doc/invoke.texi: Update that -fsee is not enabled by
5069 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5071 * omp-low.c (check_omp_nesting_restrictions): New function.
5072 (scan_omp_1): Call it.
5075 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5076 construct, return *VAR.
5078 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5080 PR rtl-optimization/27406
5081 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5084 2006-05-14 Roger Sayle <roger@eyesopen.com>
5086 PR rtl-optimization/27538
5087 * combine.c (expand_compound_operation): Call gen_lowpart
5088 before calling simplify_shift_const.
5090 2006-05-14 Roger Sayle <roger@eyesopen.com>
5092 PR rtl-optimization/22563
5093 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5094 a fixed width bitfield, always force the intermediates into psuedos.
5096 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5099 * mkconfig.sh: Use operator = instead of == for test.
5101 2006-05-13 Nick Clifton <nickc@redhat.com>
5103 * dwarf2out.c (dbx_reg_number): Check return value from
5104 LEAF_REG_REMAP and only use it if it is valid.
5105 (multiple_reg_loc_descriptor): Likewise.
5107 2006-05-13 Richard Guenther <rguenther@suse.de>
5109 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5112 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5114 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5115 information attached to non-INSNs such as NOTEs.
5116 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5118 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5120 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5122 * config/s390/s390.md: Adjust comment describing On constraint.
5124 2006-05-11 Jan Hubicka <jh@suse.cz>
5126 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5127 to be output at -O0.
5129 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5132 * fold-const.c (size_binop): Move sanity check for arguments to
5133 the beginning of the function.
5136 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5139 2006-05-11 Richard Guenther <rguenther@suse.de>
5142 * fold-const.c (fold_unary): Handle intermediate conversion
5143 to a pointer type like intermediate conversion to an integer
5144 type in folding of (T1)(T2)var to var.
5145 Match the code to the comment in the final conversion for
5146 (T1)(T2)var to (T1)var regarding to type precision. Rather
5147 than disallow T1 being of pointer type, assert that both T1
5148 and var are of pointer type or not. Make sure not to fall
5149 over the frontends lazyness wrt array to pointer decay though.
5151 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5153 * arm.c (arm_struct_value_rtx): Delete.
5154 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5155 (arm_init_cumulative_args): Always initialize nregs to zero.
5157 2006-05-10 Richard Guenther <rguenther@suse.de>
5159 PR tree-optimization/27532
5160 * tree-object-size.c (plus_expr_object_size): Fix typo.
5162 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5165 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5166 ashrdi_const, ashrdi3): Use a scratch register.
5168 2006-05-10 Richard Guenther <rguenther@suse.de>
5170 PR tree-optimization/27302
5171 * fold-const.c (operand_equal_p): For two comparisons,
5172 try comparison of one comparison code swapped if that yields
5175 2006-05-10 Ben Elliston <bje@au.ibm.com>
5177 * tree-pretty-print.c (pretty_print_string): No need to handle
5178 '\0' as a special character.
5180 * tree.h: Include "hashtab.h".
5181 (iterative_hash_expr): Use hashval_t in its prototype.
5182 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5184 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5187 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5188 (hppa*64*-*-hpux11*): Ditto.
5189 (hppa[12]*-*-hpux11*): Ditto.
5191 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5194 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5196 2006-05-09 Michael Matz <matz@suse.de>
5198 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5199 host_extra_gcc_objs and host_xmake_file.
5200 (<*-*-linux*>): Don't overwrite host_xmake_file.
5201 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5202 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5203 (host_detect_local_cpu): Declare.
5204 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5205 * config/i386/i386.c (override_options): Handle -mtune=native
5207 * config/i386/x-i386: New file.
5208 * config/i386/driver-i386.c: New file.
5209 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5212 2006-05-09 Dirk Mueller <dmueller@suse.de>
5213 Richard Guenther <rguenther@suse.de>
5216 * fold-const.c (fold_read_from_constant_string): Relax check
5217 for matching types to matching modes.
5219 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5221 PR rtl-optimization/27335
5222 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5225 2006-05-08 Chao-ying Fu <fu@mips.com>
5226 Richard Sandiford <richard@codesourcery.com>
5228 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5229 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5230 * config/mips/mips.md (UNSPEC_SCC): New constant.
5231 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5232 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5233 (mips_emit_compare): Use it.
5234 (mips_expand_vcondv2sf): New function.
5236 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5238 Fix PR tree-optimization/27093
5239 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5240 renaming when they become not-used_alone.
5242 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5244 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5245 relocation and relocation stubs.
5247 2006-05-08 Eric Christopher <echristo@apple.com>
5249 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5252 2006-05-08 Jan Hubicka <jh@suse.cz>
5255 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5256 unused static functions are needed.
5258 2006-05-08 Roger Sayle <roger@eyesopen.com>
5261 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5262 of a reg_equiv_constant if the result is a legitimate constant.
5264 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5267 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5268 standard 80387 constants, raise the cost to prevent
5269 compress_float_constant() to generate load from memory.
5271 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5273 * config/arm/constraints.md (c): Fix a typo.
5275 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5278 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5281 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5283 (_mm_mwait): Likewise.
5285 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5287 (sse3_monitor): Make it 32bit only.
5288 (sse3_monitor64): New. 64bit monitor.
5290 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5293 * config/i386/i386.c (classify_argument): Skip fields with invalid
5296 2006-05-07 Richard Guenther <rguenther@suse.de>
5298 PR tree-optimization/27409
5299 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5300 Do not try to find zero-sized subvars.
5302 2006-05-07 Richard Guenther <rguenther@suse.de>
5304 PR tree-optimization/27136
5305 * tree-ssa-loop-niter.c (get_val_for): Correct function
5306 comment, assert requirements.
5307 (loop_niter_by_eval): Stop processing if the iterated
5308 value did not simplify.
5310 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5312 * opts.c (flag_see): remove its setting at -O3.
5314 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5316 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5317 * arm/constraints.md: New file.
5318 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5319 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5320 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5321 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5322 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5323 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5324 * arm.md: Include constraints.md.
5325 (thumb_movsi_insn): Use satisfies_constraint_J.
5326 (movhi, movqi): Use satisfies_constraint_I.
5328 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5330 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5331 for atmeg a645 device.
5333 2006-05-06 Richard Guenther <rguenther@suse.de>
5335 PR tree-optimization/27151
5336 * tree-vect-transform.c (vectorizable_condition): Punt on
5337 values that have a different type than the condition.
5339 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5342 * c-parser.c (c_parser_cast_expression): Only insert casts into
5343 hash table if pointer.
5344 * function.c (used_types_insert_helper): Rename from
5346 (used_types_insert): Call used_types_insert_helper.
5347 * function.h (used_types_insert): Accept only one argument.
5349 2006-05-05 David Edelsohn <edesohn@gnu.org>
5351 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5352 scratch with output modifier.
5354 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5357 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5358 with output modifier.
5360 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5363 * config/mips/mips.c (mips_symbolic_address_p): Return true
5364 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5365 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5367 2006-05-04 Richard Guenther <rguenther@suse.de>
5369 PR tree-optimization/14287
5370 PR tree-optimization/14844
5371 PR tree-optimization/19792
5372 PR tree-optimization/21608
5373 PR tree-optimization/27090
5374 * tree-ssa-pre.c (try_combine_conversion): New function.
5375 (compute_avail): After constructing the value-handle
5376 expression, use try_combine_conversion to combine NOP_EXPRs
5377 with previous value-handle expressions and use the result if it
5380 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5382 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5384 2006-05-04 Jan Hubicka <jh@suse.cz>
5387 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5389 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5391 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5392 that this only matches CONST_INTs. All users changed to VOIDmode
5395 * config/bfin/bfin.c: Include "optabs.h".
5396 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5398 (enum bfin_builtins): Add a number of fractional and vector builtins.
5399 (bfin_init_builtins): Likewise.
5400 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5401 (safe_vector_operand, bfin_expand_binop_builtin,
5402 bfin_expand_unop_builtin): New functions.
5403 (bfin_expand_builtin): Handle the new builtins.
5404 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5407 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5410 * Makefile.in (OBJS-common): Add see.o.
5411 (see.o): Add dependencies.
5412 * common.opt (fsee): New flag for the see optimization was added.
5413 * opts.c (flag_see): Initialized.
5414 * passes.c (init_optimization_passes, pass_see): New pass.
5415 * rtl.h (see_main): Declaration as extern.
5416 * timevar.def (TV_SEE): New.
5417 * tree-pass.h (pass_see): Declaration as extern.
5418 * invoke.texi (-fsee): Document.
5419 * recog.c (validate_simplify_insn): New function.
5420 * recog.h (validate_simplify_insn): Declaration as extern.
5421 * df-problems.c (df_chain_dump): Check for NULL.
5423 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5424 Daniel Berlin <dberlin@dberlin.org>
5426 * cfgrtl.c (insert_insn_bb_end_new): New function.
5427 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5429 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5431 * df.h (struct web_entry): Moved from web.c.
5432 (union_defs): Declaration as extern.
5433 (unionfind_root): Likewise.
5434 (unionfind_union): Likewise.
5435 * web.c (struct web_entry): Moved to df.h.
5436 (unionfind_root): Remove static declaration.
5437 (unionfind_union): Likewise.
5438 (union_defs): Likewise and generalize to use callback function.
5439 (web_main): Update arguments for union_defs function call.
5441 2006-05-04 Richard Guenther <rguenther@suse.de>
5443 PR tree-optimization/26447
5444 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5445 produce SSA_NAME copies before the store stmt to avoid
5446 breaking exception handling.
5448 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5451 * gimplify.c (omp_is_private): If var is shared in some outer context,
5452 return false instead of true. Stop searching on parallel context
5455 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5458 * coverage.c: Use get_gcov_unsigned_t() instead of
5459 unsigned_type_node all over.
5461 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5463 PR tree-optimization/27381
5464 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5465 maintain the same immediate_use links.
5466 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5467 node rather than segfaulting.
5469 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5472 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5473 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5474 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5476 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5478 Fix PR tree-optimization/26626
5479 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5481 * tree-ssa-operands.c (access_can_touch_variable): Allow
5482 typecasting through union pointers.
5484 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5487 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5488 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5489 to find if var will be a global variable even in the nested context.
5490 (omp_copy_decl): Only check for global variable at the end, it might
5491 be overridden in outer contexts.
5492 (scan_sharing_clauses): For global variables don't create a field.
5493 (lower_rec_input_clauses): Do nothing for global shared variables.
5494 Emit a barrier at the end of ILIST if there were any decls in both
5495 firstprivate and lastprivate clauses.
5496 (lower_send_clauses): Do nothing for global variables except for
5499 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5501 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5502 of the correct signedness is returned.
5504 2006-05-02 Jeff Law <law@redhat.com>
5506 PR tree-optimization/27364
5507 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5508 multiply expressions.
5510 2006-05-02 Tom Tromey <tromey@redhat.com>
5512 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5514 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5517 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5518 -mthumb -fPIC are used.
5520 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5521 Joshua Kinard <kumba@gentoo.org>
5524 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5525 with 64-bit pointers.
5527 2006-05-02 Paul Brook <paul@codesourcery.com>
5529 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5531 (create_fix_barrier): Check that a suitable barrier location is
5533 (arm_reorg): Include ftmp->address in allowable range of addresses.
5535 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5538 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5541 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5544 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5545 around RESULT_DECL for result passed by reference.
5546 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5547 * omp-low.c (use_pointer_for_field): Don't look at
5548 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5549 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5550 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5551 time or var for passing by reference for
5552 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5553 TREE_ADDRESSABLE variables when passing by reference.
5555 * omp-low.c (dump_omp_region): Fix output formatting.
5558 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5559 (expand_omp_parallel): Likewise.
5560 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5563 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5564 on statement list containing also constructors and destructors.
5565 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5568 * except.c (duplicate_eh_regions): Fix clearing of
5569 cfun->eh->region_array entries.
5571 2006-05-01 DJ Delorie <dj@redhat.com>
5573 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5575 (gcc_cv_objdump): Likewise.
5576 * configure: Regenerated.
5578 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5581 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5582 templates for case 3 and 4.
5584 2006-05-01 DJ Delorie <dj@redhat.com>
5586 * vec.c: Include bconfig.h when appropriate.
5587 * Makefile.in (build/vec.o): Adjust dependencies.
5588 * mkconfig.sh: Make sure config.h isn't used for build machine
5591 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5593 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5595 (mark_phi_for_rewrite): New function.
5596 (insert_phi_nodes_for, mark_use_interesting): Call
5597 mark_phi_for_rewrite.
5598 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5599 (update_ssa): Initialize and free phis_to_rewrite.
5601 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5603 PR rtl-optimization/27291
5604 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5605 folded to a constant.
5607 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5609 PR tree-optimization/27283
5610 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5611 not whole # of iteration descriptions.
5612 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5613 uses abnormal ssa name.
5614 (niter_for_single_dom_exit): Ditto.
5615 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5616 return just the number of iterations.
5618 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5620 PR tree-optimization/27144
5621 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5622 (record_estimate): Only record constant upper bound.
5623 (infer_loop_bounds_from_undefined): Call
5624 compute_estimated_nb_iterations just once.
5625 (proved_non_wrapping_p): Renamed to ...
5626 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5627 (convert_step_widening, scev_probably_wraps_p): Call
5628 n_of_executions_at_most instead of proved_non_wrapping_p.
5629 (substitute_in_loop_info): Do not replace values in bounds.
5630 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5633 2006-05-01 Richard Henderson <rth@redhat.com>
5636 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5637 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5640 2006-05-01 Roger Sayle <roger@eyesopen.com>
5642 * c-typeck.c (parser_build_binary_op): Don't call the function
5643 unsigned_conversion_warning to spot operand/result type overflow.
5644 (build_binary_op): Instead, call convert_and_check instead of
5645 convert to report the problem when the operands are promoted.
5646 * c-common.c (unsigned_conversion_warning): Make static.
5647 * c-common.h (unsigned_conversion_warning): Delete prototype.
5649 2006-05-01 Richard Guenther <rguenther@suse.de>
5651 PR tree-optimization/26726
5652 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5654 (find_interesting_uses_address): ... we work around here
5655 by folding INDIRECT_REFs in the substituted base.
5657 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5659 * omp-low.c (dump_omp_region): Add newlines.
5661 2006-04-30 Roger Sayle <roger@eyesopen.com>
5663 * common.opt (Woverflow): New command line option.
5664 * c-common.c (constant_expression_warning): Check warn_overflow.
5665 (overflow_waring): Pass OPT_Woverflow to warning.
5666 (unsigned_conversion_warning): Likewise.
5667 (convert_and_check): Likewise.
5668 * doc/invoke.texi: Document new command line option.
5670 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5672 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5673 TARGET_NO_FP_IN_TOC for section anchors.
5674 (optimization_options): Enable section anchors for all
5675 non-"Objective" languages.
5677 2006-04-28 Eric Christopher <echristo@apple.com>
5679 * config/darwin-c.c (darwin_ms_struct): Move this
5680 (darwin_set_default_type_attributes): and this...
5681 * config/darwin.c: ... here.
5682 * config/darwin.h (darwin_ms_struct): Declare.
5684 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5686 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5688 2006-04-28 Roger Sayle <roger@eyesopen.com>
5691 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5692 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5693 an unsigned HOST_WIDE_INT.
5694 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5696 (really_start_incremental_init): No need to call convert because
5697 bitsize_zero_node is already of type bitsizetype.
5698 (push_init_level): Extract the value of constructor_index as an
5699 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5700 (process_init_element): Likewise.
5702 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5704 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5705 value before passing to make_relative_prefix.
5707 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5710 * builtins.c (expand_builtin_memset): Expand val in original mode.
5712 2006-04-27 Eric Christopher <echristo@apple.com>
5714 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5715 with #ifndef/#endif.
5716 * config/darwin-c.c (darwin_ms_struct): New.
5717 (darwin_pragma_ms_struct): Ditto.
5718 (darwin_set_default_type_attributes): Ditto.
5719 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5720 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5721 Register ms_struct pragma.
5722 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5723 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5724 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5725 darwin_set_default_type_attributes if TARGET_MACHO.
5727 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5729 PR tree-optimization/26854
5730 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5731 * doc/tree-ssa.texi: Update immuse iterator documentation.
5732 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5734 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5735 first_safe_imm_use, next_safe_imm_use): Remove.
5736 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5737 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5738 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5739 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5740 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5741 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5742 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5743 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5744 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5745 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5746 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5747 (perfect_nestify): Use new iterator.
5748 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5750 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5751 (next_imm_name): New field in struct immediate_use_iterator_d.
5752 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5753 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5754 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5755 * tree-cfg.c (replace_uses_by): Use new iterator.
5756 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5757 * tree-ssa-operands.c (correct_use_link): Remove.
5758 (finalize_ssa_use_ops): No longer call correct_use_link.
5760 2006-04-27 Stuart Hastings <stuart@apple.com>
5762 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5763 * config/t-darwin (crt3.o): Use it.
5764 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5765 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5766 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5767 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5768 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5771 2006-04-27 Roger Sayle <roger@eyesopen.com>
5773 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5774 size, force the intermediate into a new pseudo rather instead of
5775 performing both a bitwise AND and a bitwise IOR in memory.
5777 2006-04-27 Richard Guenther <rguenther@suse.de>
5779 PR rtl-optimization/26685
5780 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5781 this one "max-flow-memory-locations".
5783 2006-04-27 Richard Guenther <rguenther@suse.de>
5785 PR tree-optimization/25148
5786 * tree-vrp.c (compare_values): Remove code dealing with
5787 comparisons against type min/max value. Honour overflow
5788 and negative constants in code dealing with comparisons
5789 of plus and minus expressions.
5790 (value_inside_range): Use fold_binary with LE_EXPR and
5791 GE_EXPR rather than compare_values.
5793 2006-04-27 Dirk Mueller <dmueller@suse.de>
5795 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5798 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5800 * basic-block.h (safe_insert_insn_on_edge): Removed.
5801 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5803 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5804 Paolo Bonzini <bonzini@gnu.org>
5807 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5808 (simplify_and_const_int): Same.
5810 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5812 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5814 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5817 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5818 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5819 cgraph_global_info_ready.
5822 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5825 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5826 either decl or init is error_mark_node.
5829 * tree-flow.h (struct omp_region): Add sched_kind.
5830 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5831 instead of extracting omp for data.
5832 (expand_omp_for): Save extracted sched_kind.
5834 2006-04-25 Roger Sayle <roger@eyesopen.com>
5836 * expmed.c (store_bit_field): Also check whether the bitsize is
5837 valid for the machine's "insv" instruction before moving the
5838 target into a pseudo for use with the insv.
5839 * config/i386/predicates.md (const8_operand): New predicate.
5840 * config/i386/i386.md (extv, extzv, insv): Use the new
5841 const8_operand predicate where appropriate.
5843 2006-04-25 DJ Delorie <dj@redhat.com>
5845 * doc/install.texi (Specific): Clarify that this is not a list of
5846 supported hosts or targets.
5848 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5850 PR rtl-optimization/26725
5851 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5852 block's BB_DIRTY flag.
5854 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5856 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5859 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5860 to print an integer.
5862 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5864 * varasm.c (align_variable): New function.
5865 (get_block_for_decl): Apply align_variable to DECL before
5866 calculating section information.
5867 (assemble_variable): Split out alignment computation.
5869 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5871 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5874 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5876 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5877 MODE_PARTIAL_INT mode.
5878 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5879 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5881 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5882 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5884 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5886 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5888 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5889 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5890 MACFLAG_IH): Likewise.
5891 (movstricthi_1): Renamed from "*movstricthi".
5892 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5893 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5894 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5895 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5896 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5897 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5898 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5899 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5900 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5901 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5902 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5903 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5904 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5905 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5906 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5908 * doc/rtl.texi (ss_ashift): Improve wording.
5910 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5912 * dwarf2out.c (verify_marks_clear): New.
5913 (prune_unused_types): Call verify_marks_clear initially, not
5916 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5918 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5919 * doc/rtl.texi: Document them.
5920 * simplify-rtx.c (simplify_unary_operation,
5921 simplify_binary_operation_1): Don't abort when we see them.
5923 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5926 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5927 * configure.ac: Completely disregard languages that are not
5929 * configure: Regenerated.
5931 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5932 Richard Guenther <rguenther@suse.de>
5934 PR tree-optimization/27236
5935 * tree-inline.c (copy_body_r): Make sure to copy
5936 TREE_THIS_VOLATILE flag.
5938 2006-04-24 Richard Guenther <rguenther@suse.de>
5941 * tree-complex.c (update_parameter_components): Don't handle
5942 unused parameters which have no default def.
5944 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5945 Richard Guenther <rguenther@suse.de>
5947 PR tree-optimization/27218
5948 * tree-inline.c (expand_call_inline): Strip useless type
5949 conversions for the return slot address.
5951 2006-04-24 Richard Guenther <rguenther@suse.de>
5953 * cfgloop.h (struct loops): Remove unused field array. Reorder
5955 (LOOP_PREFETCH): Remove.
5957 2006-04-24 Richard Guenther <rguenther@suse.de>
5959 PR tree-optimization/22525
5960 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5961 variable, adjust types of generated expressions.
5963 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5965 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5966 (tree-vect-patterns.o): Likewise.
5968 (cselib.o): Likewise.
5969 (loop-doloop.o): Likewise.
5970 (regclass.o): Likewise.
5971 (reload1.o): Likewise.
5972 (explow.o): Replace target.h with $(TARGET_H).
5973 (ipa-prop.o): Likewise.
5974 (ipa-cp.o): Likewise.
5975 (ipa-inline.o): Likewise.
5976 (reorg.o): Likewise.
5977 (reg-stack.o): Likewise.
5979 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5981 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5983 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5985 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5987 * configure.ac: Completely disregard languages that are not
5989 * configure: Regenerated.
5992 * c-common.h (c_build_bitfield_integer_type): Declare.
5993 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5994 * c-common.c (c_build_bitfield_integer_type): ... here.
5996 2006-04-23 Roger Sayle <roger@eyesopen.com>
5999 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6000 a SImode SUBREG of a floating point register after no_new_pseudos.
6002 2006-04-23 Roger Sayle <roger@eyesopen.com>
6004 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6005 identify potentially eliminable registers to additionally catch
6006 VIRTUAL_INCOMING_ARGS_REGNUM.
6007 (addsi3): Update the conditions on when to use addsi_small_int.
6009 2006-04-23 Roger Sayle <roger@eyesopen.com>
6012 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6013 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6014 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6016 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6018 * fold-const.c (range_predecessor): Use operand_equal_p
6019 as the predicate for equality.
6020 (range_successor): Likewise.
6022 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6025 * config/soft-fp/op-common.h: Fix a typo.
6027 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6030 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6031 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6033 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6035 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6037 * doc/tm.texi: Fix a typo.
6039 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6041 * dwarf2out.c (struct die_struct): Document that die_sib makes
6042 a circular linked list.
6043 (FOR_EACH_CHILD): New.
6044 (reverse_die_lists): Delete.
6045 (reverse_all_dies): Delete.
6046 (add_dwarf_attr): Correct documentation.
6047 (remove_child_with_prev): New.
6048 (remove_child_TAG): Update for change to die_struct, use
6049 remove_child_with_prev.
6050 (add_child_die): Update for change to die_struct.
6051 (splice_child_die): Use remove_child_with_prev and add_child_die.
6052 (print_die): Use FOR_EACH_CHILD.
6053 (die_checksum): Likewise.
6054 (assign_symbol_names): Likewise.
6055 (output_location_lists): Likewise.
6056 (build_abbrev_table): Likewise.
6057 (calc_die_sizes): Likewise.
6058 (mark_dies): Likewise.
6059 (unmark_dies): Likewise.
6060 (unmark_all_dies): Likewise.
6061 (output_die): Likewise.
6062 (prune_unused_types_mark): Likewise.
6063 (prune_unused_types_walk): Likewise.
6064 (same_die_p): Update for change to die_struct.
6065 (break_out_includes): Likewise.
6066 (prune_unused_types_prune): Likewise.
6067 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6068 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6070 (dwarf2out_finish): Don't call reverse_all_dies.
6072 2006-04-21 Eric Christopher <echristo@apple.com>
6074 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6075 in comments and function names.
6077 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6080 * c-typeck.c (digest_init): Robustify.
6082 * c-typeck.c (pop_init_level): Simplify.
6084 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6086 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6088 2006-04-21 Paul Brook <paul@codesourcery.com>
6090 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6091 hardware floating point.
6093 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6095 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6098 2006-04-21 Nick Clifton <nickc@redhat.com>
6100 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6103 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6106 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6107 C++ lang type in traceback table for Objective-C++.
6109 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6111 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6113 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6115 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6118 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6119 were errors. Remove check for erroneous objects.
6121 2006-04-20 Jeff Law <law@redhat.com>
6123 PR tree-optimization/26854
6124 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6125 checking for zero or one use.
6126 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6127 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6128 * tree-ssa-reassoc.c (negate_value): Similarly.
6129 (reassociate_bb): Similarly.
6131 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6133 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6134 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6135 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6137 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6139 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6140 fp regs if the last fp arg doesn't fit in regs.
6142 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6145 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6146 that the last insn has the REG_INC note.
6148 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6149 Nathan Sidwell <nathan@codesourcery.com>
6152 * stor-layout.c (update_alignment_for_field): Do not align
6154 (place_union_field): Place union field at the start of the union.
6155 (place_field): Move ERROR_MARK check later, and use the current
6156 allocation position to maintain monotonicity.
6158 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6160 * dominance.c: Include timevar.h.
6161 (calculate_dominance_info): Use TV_DOMINANCE.
6162 * timevar.def (TV_DOMINANCE): New timevar.
6163 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6165 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6167 PR rtl-optimization/14261
6168 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6169 move would be an INSV insn.
6170 (noce_process_if_block): Don't optimize if the destination is a
6171 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6173 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6175 * config/s390/s390.md: Add comments with the instructions emitted
6176 by an insn pattern if macros are used.
6178 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6180 PR rtl-optimization/26026
6181 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6182 is a known power of two shifted left a variable amount.
6184 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6186 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6187 to hash table twice when the debug_str section has SECTION_MERGE.
6189 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6191 * config/soft-fp: New directory. From glibc.
6192 * config/soft-fp/t-softfp: New.
6193 * config/soft-fp/README: New.
6194 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6195 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6196 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6197 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6198 * config.gcc: Use rs6000/t-fprules-fpbit or
6199 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6201 * config/rs6000/sfp-machine.h: New. Based on glibc.
6202 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6204 * config/rs6000/t-fprules: Remove fp-bit rules.
6205 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6206 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6207 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6208 (softfp_wrap_start, softfp_wrap_end): New.
6210 2006-04-18 DJ Delorie <dj@redhat.com>
6212 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6214 2006-04-18 Devang Patel <dpatel@apple.com>
6216 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6218 2006-04-18 Nick Clifton <nickc@redhat.com>
6220 * config/sh/t-symbian: Add rule to build sh-c.o
6221 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6222 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6223 (sh_symbian_encode_section_info): Likewise.
6225 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6227 * builtins.c (expand_builtin_strcmp): Cover label definition of
6228 do_libcall with HAVE_cmpstrnsi.
6230 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6232 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6234 * function.h (temp_slot_p): New.
6235 (function): Change the type of x_used_temp_slots to
6236 VEC(temp_slot_p,gc) *.
6238 2006-04-18 Nick Clifton <nickc@redhat.com>
6240 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6241 flag_strength_reduce.
6243 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6245 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6249 Partial revert of revision 112637
6250 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6251 Dale Johannesen <dalej@apple.com>
6254 * regclass.c (struct reg_pref): Update documentation.
6255 (regclass): Set prefclass to NO_REGS if memory is the best option.
6256 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6258 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6260 PR tree-optimization/26821
6261 * tree-ssa-math-opts.c (get_constant_one): New.
6262 (insert_reciprocals): Use it.
6264 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6266 * dwarf2out.c (free_AT): Delete.
6267 (remove_AT): Update string ref counts.
6268 (remove_child_TAG): Don't call free_die.
6270 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6271 or DW_TAG_GNU_EINCL.
6272 (prune_unused_types_walk_attribs): Reset string refcounts.
6273 (prune_unused_types_update_strings): New.
6274 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6275 call free_die. Do call prune_unused_types_update_strings.
6276 (prune_unused_types): Empty debug_str_hash.
6278 2006-04-17 Roger Sayle <roger@eyesopen.com>
6280 * expr.c (expand_assignment): Optimize away no-op moves where the
6281 source and destination are equal and have no side-effects.
6283 2006-04-17 Richard Guenther <rguenther@suse.de>
6286 * reload.c (push_reload): Guard calls to get_secondary_mem
6289 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6291 * alias.c (reg_base_value, old_reg_base_value): Change the
6292 type to VEC(rtx,gc) *.
6293 (REG_BASE_VALUE, find_base_value, record_set,
6294 init_alias_analysis): Use VEC instead of VARRAY.
6296 * alias.c (alias_sets): Change the type to
6297 VEC(alias_set_entry,gc) *.
6298 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6299 VEC instead of VARRAY.
6300 (last_alias_set): Remove.
6302 * cgraph.h (cgraph_edge_p): New.
6303 Update the prototype of cgraph_function_versioning.
6304 * cgraphunit.c (cgraph_copy_node_for_versioning,
6305 cgraph_function_versioning): Use VEC instead of VARRAY.
6306 * ipa-cp.c (ipcp_insert_stage): Likewise.
6308 2006-04-16 Roger Sayle <roger@eyesopen.com>
6311 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6312 "A op B" or "A op C", we may need to convert A to the type of B and C.
6314 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6316 * target.h (struct gcc_target): Add mode_rep_extended.
6317 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6318 (init_num_sign_bit_copies_in_rep): Initialize it using
6320 (truncate_to_mode): Use it.
6321 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6322 * targhooks.h (default_mode_rep_extended): Declare it.
6323 * targhooks.c (default_mode_rep_extended): Define it.
6324 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6325 default_mode_rep_extended.
6326 (TARGET_INITIALIZER): Include it.
6327 * doc/tm.texi (Misc): Document it.
6328 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6329 (mips_truncated_to_mode): New function.
6331 2006-04-16 Roger Sayle <roger@eyesopen.com>
6334 * expr.c (compress_float_constant): Copy the narrow constant into
6335 a new pseudo before extending it to its final width.
6337 2006-04-16 Roger Sayle <roger@eyesopen.com>
6338 Andrew Pinski <pinskia@gcc.gnu.org>
6339 Dale Johannesen <dalej@apple.com>
6342 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6343 special case code to implement V8HImode and V16QImode with SSE2.
6345 2006-04-15 Roger Sayle <roger@eyesopen.com>
6347 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6348 trees are constructed with a suitable tree type.
6350 2006-04-15 Roger Sayle <roger@eyesopen.com>
6352 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6353 (integer_onep): Likewise.
6354 (integer_all_onesp): Likewise.
6355 (integer_pow2p): Likewise.
6356 (integer_nonzerop): Likewise.
6357 (real_zerop): Likewise.
6358 (real_onep): Likewise.
6359 (real_twop): Likewise.
6360 (real_minus_onep): Likewise.
6361 (int_size_in_bytes): Likewise.
6362 (host_integerp): Likewise.
6364 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6366 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6367 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6368 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6370 * tree-ssa-structalias.h (alias_info): Remove num_references.
6372 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6374 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6375 (output_bvb patterns): Likewise.
6376 * pa.c (output_bb): Use 'bb' insn for long branch case.
6377 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6378 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6379 1. Correct length operand for alternatives 1 and 2.
6380 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6381 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6383 2006-04-14 Roger Sayle <roger@eyesopen.com>
6385 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6386 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6387 were accidentally reverted by r112959.
6389 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6392 * except.h (eh_region_outermost): New prototype.
6393 * except.c (eh_region_outermost): New function.
6394 * tree-cfg.c (find_outermost_region_in_block): Use it.
6396 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6398 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6400 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6401 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6402 (init_reload, reload): Use VEC instead of VARRAY.
6403 * reload.h: Update the prototype for
6404 reg_equiv_memory_loc_varray.
6406 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6407 Eric Botcazou <ebotcazou@libertysurf.fr>
6409 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6412 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6415 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6416 to expand fallback builtin function call.
6418 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6421 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6422 and emit libcall here in case the builtin fails.
6423 (expand_builtin_strcmp): Always emit the libcall here on failure.
6425 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6427 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6428 * flow.c (reg_n_info): Change the type to
6429 VEC(reg_info_p,heap) *.
6430 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6432 * regs.h (reg_info_p): New.
6433 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6434 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6435 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6438 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6440 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6442 * params.h (MAX_SCHED_READY_INSNS): New macro.
6443 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6444 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6445 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6446 the ready list for 1 cycle during the first scheduling pass.
6447 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6449 2006-04-13 Richard Henderson <rth@redhat.com>
6452 * gimple-low.c (lower_omp_directive): Remove dead code.
6453 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6454 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6455 * omp-low.c (struct omp_region): Move to tree-flow.h.
6456 (root_omp_region): Export.
6457 (omp_regions, lookup_omp_region): Remove.
6458 (determine_parallel_type): Update for struct omp_region changes.
6459 (dump_omp_region): Dump regions with block numbers.
6460 (new_omp_region): Take type and block instead of stmt; malloc
6462 (free_omp_region_1, free_omp_regions): New.
6463 (expand_parallel_call): Take entry_stmt as argument; update for
6464 changes to omp_region.
6465 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6466 (remove_exit_barriers): New.
6467 (expand_omp_parallel): Update for struct omp_region changes.
6468 (expand_omp_synch): Likewise.
6469 (expand_omp): Likewise.
6470 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6471 (expand_omp_for_static_chunk): Likewise.
6472 (expand_omp_for): Likewise.
6473 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6474 (expand_omp_sections): Similarly, with GOMP_sections_end.
6475 (expand_omp_single): New.
6476 (build_omp_regions_1): Update for OMP_CONTINUE.
6477 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6478 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6479 OMP_SECTIONS_SECTIONS.
6480 (lower_omp_single_simple): Don't emit barrier here.
6481 (lower_omp_single_copy): Likewise.
6482 (lower_omp_single): Fix bindings, and lower to straightline now.
6483 (lower_omp_master, lower_omp_ordered): Likewise.
6484 (lower_omp_critical): Likewise.
6485 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6486 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6487 omp edges, free it afterward.
6488 (make_omp_sections_edges): Remove.
6489 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6490 (move_stmt_r): Handle OMP_CONTINUE.
6491 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6492 statement pointers to basic blocks. Add type member.
6493 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6494 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6495 * tree-inline.c (estimate_num_insns_1): Likewise.
6496 * tree-pretty-print.c (dump_generic_node): Likewise.
6497 * tree-ssa-operands.c (get_expr_operands): Likewise.
6498 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6499 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6500 (OMP_CONTINUE): New.
6501 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6502 (OMP_SECTIONS_SECTIONS): Remove.
6503 (OMP_SECTION_LAST): New.
6504 (OMP_RETURN_NOWAIT): New.
6506 2006-04-13 Roger Sayle <roger@eyesopen.com>
6508 * fold-const.c (native_encode_vector, native_interpret_real):
6509 Correct obvious mistakes in the previous check-in.
6511 2006-04-13 Roger Sayle <roger@eyesopen.com>
6513 * fold-const.c (native_encode_expr): New function to encode
6514 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6515 or VECTOR_CST into a specified buffer.
6516 (native_encode_int): New function.
6517 (native_encode_real): New function.
6518 (native_encode_complex): New function.
6519 (native_encode_vector): New function.
6520 (native_interpret_expr): Inverse of native_encode_expr to convert
6521 a target representation into an INTEGER_CST, REAL_CST etc...
6522 (native_interpret_int): New function.
6523 (native_interpret_real): New function.
6524 (native_interpret_complex): New function.
6525 (native_interpret_vector): New function.
6526 (fold_view_convert_expr): New function to constant fold/evaluate
6527 a VIEW_CONVERT_EXPR of a suitable constant expression.
6528 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6529 Change call of build1 to fold_build1 when constructing a
6532 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6533 Ulrich Weigand <uweigand@de.ibm.com>
6536 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6539 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6542 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6543 optimize to lo_sum for DFmode if !TARGET_FPRS.
6545 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6547 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6548 delete_alias_info, compute_flow_sensitive_aliasing,
6549 group_aliases): Use VEC instead of VARRAY.
6550 * tree-ssa-structalias.c (update_alias_info): Likewise.
6551 * tree-ssa-structalias.h (alias_info): Change the type of
6552 processed_ptrs to VEC(tree,heap) *.
6554 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6557 * config/sh/lib1funcs.h: New file, broken out of:
6558 * config/sh/lib1funcs.asm.
6559 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6561 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6562 * config/sh/lib1funcs-Os-4-200.asm: New file.
6563 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6564 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6565 (EXTRA_MULTILIB_PARTS): Include it.
6566 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6567 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6568 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6569 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6572 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6574 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6575 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6576 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6578 * tree-ssa-live.h: Include vecprim.h.
6579 (tree_partition_associator_d): Change the type of
6580 first_partition to VEC(int,heap) *.
6581 (tpa_first_partition): Use VEC instead of VARRAY.
6583 * Makefile.in (GTFILES): Move functions.h after tree.h.
6584 * function.c (reset_block_changes, record_block_change,
6585 check_block_change, free_block_changes): Use VEC instead of
6587 * function.h (function): Change the type of
6588 ib_boundaries_block to VEC(tree,gc) *.
6589 * tree-inline.c (copy_cfg_body): Initialize
6590 ib_boundaries_block to NULL instead of (varray_type) 0.
6592 2006-04-12 Roger Sayle <roger@eyesopen.com>
6594 * expr.c (emit_group_store): Correct operand order in call to
6595 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6596 a SUBREG_BYTE of zero.
6598 2006-04-12 Richard Guenther <rguenther@suse.de>
6600 * profile.c (compute_branch_probabilities): Remove code
6601 encapsulated in !ir_type (), which are remanents of the
6602 removed RTL profiling code.
6603 * rtl-profile.c: Remove.
6605 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6607 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6608 magic NULL_RTX comment.
6609 (function_arg): Store entire fp arg to mem if any part should go
6611 (rs6000_arg_partial_bytes): Adjust for above change.
6613 2006-04-11 Roger Sayle <roger@eyesopen.com>
6615 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6616 if it hasn't been initialized by dwarf2out_init.
6618 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6620 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6621 symbolic constants in branch patterns.
6623 2006-04-11 Roger Sayle <roger@eyesopen.com>
6625 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6627 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6629 PR rtl-optimization/27073
6630 * gcse.c (try_replace_reg): Revert last change. Continue to search
6631 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6634 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6636 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6637 aggregate types other than record and union types.
6638 (function_arg): Likewise.
6639 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6641 (function_value): In 64-bit mode, return objects that require it
6644 2006-04-11 Roger Sayle <roger@eyesopen.com>
6646 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6648 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6650 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6652 2006-04-03 Jeff Law <law@redhat.com>
6655 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6656 alias information too.
6658 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6660 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6662 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6665 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6666 (premark_used_types_helper): New.
6667 (premark_used_types): New.
6668 (gen_subprogram_die): Call premark_used_types.
6669 (prune_unused_types_walk): Do not prune perennial dies.
6670 * function.c (used_types_insert): New.
6671 * function.h (struct function): Add used_types_hash field.
6672 (used_types_insert): Add prototype.
6673 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6674 * c-parser.c (c_parser_cast_expression): Save casted types in used
6677 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6680 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6681 rs6000_explicit_options.float_gprs.
6683 2006-04-10 Roger Sayle <roger@eyesopen.com>
6685 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6686 from ix86_expand_vector_init_low_nonzero. Take an additional
6687 one_var argument indicating which element is non-zero. Support
6688 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6689 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6690 with one_var instead of ix86_expand_vector_init_low_nonzero.
6692 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6694 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6695 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6696 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6697 build/genextract.o): Depend on vecprim.h.
6698 * cfglayout.c, df-problems.c, function.c, genextract.c,
6699 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6700 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6704 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6706 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6707 Declare VECs of this type.
6708 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6709 (remove_children): Delete.
6710 (add_dwarf_attr): Use VEC routines.
6711 (add_AT_flag): Update for changes to add_dwarf_attr.
6712 (add_AT_int): Likewise.
6713 (add_AT_unsigned): Likewise.
6714 (add_AT_long_long): Likewise.
6715 (add_AT_vec): Likewise.
6716 (add_AT_string): Likewise.
6717 (add_AT_die_ref): Likewise.
6718 (add_AT_fde_ref): Likewise.
6719 (add_AT_loc): Likewise.
6720 (add_AT_loc_list): Likewise.
6721 (add_AT_addr): Likewise.
6722 (add_AT_lbl_id): Likewise.
6723 (add_AT_lineptr): Likewise.
6724 (add_AT_macptr): Likewise.
6725 (add_AT_offset): Likewise.
6726 (add_AT_range_list): Likewise.
6727 (get_AT): Use VEC_iterate.
6728 (remove_AT): Use VEC_ordered_remove.
6729 (free_die): Fold remove_children into here; have it use VEC_iterate.
6730 (print_die): Use VEC_iterate on attrs.
6731 (reverse_die_lists): Don't reverse attr lists.
6732 (die_checksum): Use VEC_iterate on attrs.
6733 (same_die_p): Likewise.
6734 (output_location_lists): Likewise.
6735 (build_abbrev_table): Likewise.
6736 (size_of_die): Likewise.
6737 (unmark_all_dies): Likewise.
6738 (output_abbrev_section): Likewise.
6739 (output_die): Likewise.
6740 (prune_unused_types_walk_attribs): Likewise.
6742 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6744 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6746 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6749 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6751 2006-04-09 Roger Sayle <roger@eyesopen.com>
6753 * expr.c (store_constructor): Don't bother clearing target if
6754 we're about to assign a vector to it using vec_init_optab.
6756 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6758 * tree-ssa-alias.c (lhs_may_store_to): New function.
6759 (recalculate_used_alone): Handle LHS of calls.
6761 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6765 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6766 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6767 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6768 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6769 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6770 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6771 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6772 stubs. Add ".align 8" directives before all ".dword" directives.
6773 (GTHREAD_USE_WEAK): Revise comment.
6774 (TARGET_ATTRIBUTE_WEAK): Define.
6775 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6776 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6777 * stublib.c: New file.
6782 * pa.md (cbranch patterns): Revise arguments used in calls to
6783 output_cbranch, output_bb and output_bvd. Add long branch length
6785 (fbranch patterns): Handle long branches.
6786 (jump): Revise length check. Revise arguments for output_lbranch call.
6787 Add long branch length attributes.
6788 (decrement_and_branch_until_zero): Add long branch length attributes.
6789 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6790 Likewise. Revise arguments for output_parallel_addb and
6791 output_parallel_movb calls.
6792 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6793 output_parallel_movb and output_parallel_addb): Update prototypes.
6794 * pa.c (output_cbranch): Revise arguments. Correct handling of
6795 nullification in long branches.
6796 (output_lbranch): Add new argument to control extraction of delay
6798 (output_bb): Handle long branches.
6799 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6800 output_parallel_addb): Likewise.
6802 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6804 PR rtl-optimization/27073
6805 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6808 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6810 * tree.h (tree_memory_tag): Add old_used_alone.
6811 (SMT_OLD_USED_ALONE): New macro.
6812 * tree-ssa-alias.c (recalculate_used_alone): Stop
6813 marking things for renaming unnecessarily.
6815 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6817 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6818 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6819 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6820 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6821 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6822 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6823 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6824 spelling convensions.
6825 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6826 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6827 typos. Follow spelling conventions.
6829 2006-04-07 DJ Delorie <dj@redhat.com>
6831 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6832 passed on the stack.
6833 (m32c_init_cumulative_args): When a function returns a structure,
6834 always pass the pointer to that return area on the stack.
6835 (m32c_function_arg_advance): Don't increment the parameter number
6836 if we're processing the returned structure pointer.
6837 (pushm_info): Reverse order of registers.
6839 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6841 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6842 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6843 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6844 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6846 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6847 chrec_fold_multiply): Same.
6848 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6849 force_expr_to_var_cost): Same.
6850 * tree-mudflap.c (mf_xform_derefs_1): Same.
6851 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6853 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6855 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6856 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6859 2006-04-07 Jan Hubicka <jh@suse.cz>
6861 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6863 2006-04-07 Richard Guenther <rguenther@suse.de>
6865 PR tree-optimization/26135
6866 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6867 loads for store copy-prop.
6868 (copy_prop_visit_stmt): Likewise.
6870 2006-04-05 Robert Millan <robertmh@gnu.org>
6872 * config/i386/linux.h: Add a comment to mark macros that are
6873 being overriden in config/k*bsd-gnu.h.
6874 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6876 * config/knetbsd-gnu.h: Ditto.
6878 2006-04-06 Jan Hubicka <jh@suse.cz>
6882 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6885 2006-04-06 Mike Stump <mrs@apple.com>
6887 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6888 for HAVE_nonlocal_goto to be consistent.
6889 (expand_builtin_nonlocal_goto): Likewise.
6890 (expand_builtin_strcmp): Use #ifdef instead of #if
6891 for HAVE_cmpstrnsi to be consistent.
6893 2006-04-05 DJ Delorie <dj@redhat.com>
6895 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6898 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6900 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6901 got-relative addressing for anything but SImode.
6903 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6904 even if the calling function doesn't modify them.
6906 2006-04-05 Richard Guenther <rguenther@suse.de>
6908 PR tree-optimization/26919
6909 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6910 to cgraph_estimate_size_after_inlining.
6912 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6914 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6916 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6918 PR tree-optimization/26996
6919 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6920 VECTOR_TYPE variables.
6922 2006-04-05 Richard Guenther <rguenther@suse.de>
6924 PR tree-optimization/26763
6925 * fold-const.c (fold_comparison): Move folding of
6926 PTR + CST CMP PTR + CST ...
6927 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6929 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6931 * doc/install.texi (Prerequisites): Refine some wording on
6932 bootstrapping and ksh.
6933 Move the version numbers of DejaGnu here from the testing section
6934 and fix casing of names.
6935 Fix markup and clarify wording for autogen requirements.
6936 Refer to GCJ instead of just java.
6937 Refer to SVN instead of CVS.
6938 Describe diffutils as useful instead of necessary.
6939 (Downloading the source): Refer to SVN instead of CVS.
6940 Adjust a link to our web site accordingly.
6941 (Configuration): Fix casing of Bison.
6942 (Building): Refer to SVN instead of CVS.
6943 Fix a sentence on the use of Bison and remove duplicate (and
6944 incorrect) version number of Bison requirement.
6945 Remove one redundant list of packages needed for building.
6946 (Specific): Avoid reference to CVS.
6948 2006-04-04 Eric Christopher <echristo@apple.com>
6950 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6951 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6952 (rs6000_handle_struct_attribute): New.
6953 (rs6000_ms_bitfield_layout_p): Ditto.
6955 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6957 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6958 NULL for dso parameter to atexit_common.
6960 2006-04-04 Eric Christopher <echristo@apple.com>
6962 * config/i386/i386.c (machopic_output_stub): Output \t
6963 between instructions and operands.
6965 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6967 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6968 satisfies_constraint_[IL] to explicit tests on value.
6970 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6972 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6973 set_nb_iterations_in_loop): Use build_int_cst instead of
6975 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6976 build_int_cst instead of convert.
6978 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6980 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6981 new value 2 for incoming.
6982 * function.c (expand_function_start): Call struct_value_rtx
6984 * config/sparc/sparc.md: Comment updated_return.
6985 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6986 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6987 struct return if sparc_std_struct_return and incoming is 2.
6988 (print_operand): Do not adjust return if
6989 sparc_std_struct_return.
6991 2006-04-04 Roger Sayle <roger@eyesopen.com>
6993 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6994 convert in the middle-end.
6995 * expr.c (store_expr, store_constructor, get_inner_reference,
6996 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6998 * tree.c (build_range_type): Likewise.
7000 2006-04-04 Tom Tromey <tromey@redhat.com>
7002 * doc/install.texi (Prerequisites): Mention jar.
7004 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7006 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7009 2006-04-04 Matthias Klose <doko@debian.org>
7011 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7015 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7018 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7020 * doc/extend.texi (Function Attributes): Rewrite visibility
7021 attribute documentation.
7022 * doc/invoke.texi (C++ Dialect Options): Rewrite
7023 -fvisibility-inlines-hidden documentation to describe something
7024 entirely different, although in practise compatible.
7025 (Code Gen Options): Warn about system headers in -fvisibility=
7028 * doc/extend.texi (Other Builtins): Document that
7029 __builtin_nan is a compile-time constant only when its argument
7032 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7034 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7035 trying to remove TRUNCATE check if all bits outside the new mode
7036 are identical to the sign bit.
7038 2006-04-03 Jeff Law <law@redhat.com>
7040 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7041 and operand scanning in some common cases.
7043 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7044 Dale Johannesen <dalej@apple.com>
7047 * regclass.c (struct reg_pref): Update documentation.
7048 (regclass): Set prefclass to NO_REGS if memory is the best option.
7049 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7050 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7051 into account. For non-registers, equate an empty preferred
7052 reload class to a `!' in the constraint; move the if clause to
7053 do so after those that reject the insn.
7054 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7056 (find_dummy_reload): Likewise.
7057 * doc/tm.texi (Register Classes): Document what it means
7058 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7059 * config/i386/i386.c (ix86_preferred_reload_class): Force
7060 using SSE registers (and return NO_REGS for floating-point
7061 constants) if math is done with SSE.
7062 (ix86_preferred_output_reload_class): New.
7063 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7064 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7065 * config/i386/i386.md: Remove # register preferences.
7067 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7070 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7071 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7072 the type of nb_iter.
7073 (instantiate_parameters_1): Convert the operands before calling
7074 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7075 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7077 2006-04-02 Roger Sayle <roger@eyesopen.com>
7079 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7080 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7082 * dojump.c (do_jump): Likewise.
7083 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7084 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7085 gimplify_boolean_expr): Likewise.
7086 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7087 * varasm.c (array_size_for_constructor): Likewise.
7088 * tree-object-size.c (compute_object_offset): Likewise.
7090 2006-04-02 Roger Sayle <roger@eyesopen.com>
7093 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7094 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7096 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7098 PR tree-optimization/26939
7099 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7101 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7103 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7104 at_stmt. Convert the type of operands before calling
7105 build_polynomial_chrec.
7106 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7108 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7109 (instantiate_parameters_1): Convert the type of operands before calling
7110 build_polynomial_chrec.
7111 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7112 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7113 reset_evolution_in_loop): Insert asserts to check the types of the
7115 (chrec_type): Moved...
7116 (eq_evolutions_p): Use operand_equal_p.
7117 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7118 the types of the operands.
7119 (chrec_type): ...here.
7120 * tree-data-ref.c (create_data_ref): Convert the operands before
7121 calling chrec_replace_initial_condition.
7122 (same_access_functions, analyze_subscript_affine_affine,
7123 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7124 (compute_subscript_distance, analyze_ziv_subscript,
7125 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7126 analyze_miv_subscript): Convert the operands before calling
7127 chrec_fold_minus or chrec_fold_plus.
7129 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7131 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7132 the dependence_relations vector.
7133 (compute_data_dependences_for_loop): Adjust call to
7134 compute_all_dependences.
7136 2006-04-01 Roger Sayle <roger@eyesopen.com>
7137 Richard Henderson <rth@redhat.com>
7139 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7140 gimple_boolify on the condition before calling gimplify_expr.
7142 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7144 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7145 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7146 the frame size. Update to use the new macros.
7147 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7148 * config/xtensa/ieee754-df.S: Likewise.
7150 2006-03-31 Richard Henderson <rth@redhat.com>
7152 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7153 (make_edges): ... here. Control fallthru creation with a local
7154 variable. Do not play with fake edges.
7155 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7156 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7159 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7161 * dwarf2.h (DW64_CIE_ID): Define.
7162 * dwarf2out.c (DWARF_CIE_ID): Define.
7163 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7164 length header. Use DWARF_CIE_ID.
7165 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7166 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7168 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7170 * config/sh/linux-atomic.asm: New file.
7171 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7173 2006-03-31 DJ Delorie <dj@redhat.com>
7175 * config/m32c/cond.md: Set condition flags properly throughout.
7176 * config/m32c/minmax.md: Likewise.
7177 * config/m32c/prologue.md: Likewise.
7178 * config/m32c/bitops.md: Likewise.
7179 * config/m32c/muldiv.md: Likewise.
7180 * config/m32c/mov.md: Likewise.
7181 * config/m32c/addsub.md: Likewise.
7182 * config/m32c/m32c.md: Likewise.
7183 * config/m32c/jump.md: Likewise.
7184 * config/m32c/shift.md: Likewise.
7186 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7187 conditionally output the pattern for this.
7188 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7189 (m32c_compare_redundant): New.
7190 (m32c_output_compare): New.
7191 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7193 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7194 dest, not src. Allow other 4-byte modes.
7196 2006-03-30 Denis Chertykov <denisc@overta.ru>
7198 * doc/md.texi: Refer to avr/constraints.md instead of
7201 2006-03-30 Roger Sayle <roger@eyesopen.com>
7203 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7204 signed vs. unsigned comparison failures on some hosts.
7206 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7209 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7210 change to FLOAT_REGS.
7212 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7213 (rs6000_override_options): Use it.
7214 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7215 only for -mabi=spe/no-spe and -mabi=altivec.
7217 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7219 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7222 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7224 * Makefile.in: Rename docdir to gcc_docdir.
7226 2006-03-30 Roger Sayle <roger@eyesopen.com>
7229 * expr.c (emit_group_store): Optimize group stores into a pseudo
7230 register by using a paradoxical subreg to initialize the destination
7231 if the first or last member of the group specifies a "low part".
7233 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7236 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7237 * target.h (struct gcc_target.speculate_insn): Change type of the
7238 second parameter to 'int'.
7239 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7240 the second operand of the DEPS_LIST.
7241 (copy_DEPS_LIST_list): Update reference to the second operand of the
7243 * rtl.h (alloc_DEPS_LIST): Update signature.
7244 * sched-int.h (ds_t): Change typedef to 'int'.
7245 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7247 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7249 * haifa-sched.c (try_ready): Change condition to restore
7250 non-speculative pattern of the instruction.
7251 (process_insn_depend_be_in_spec): Code to keep probability of the
7252 speculative dependence non-decreasing.
7254 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7256 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7257 (single_move_for_movmem): ... this. Also change all uses.
7258 (bfin_expand_strmov): Renamed to...
7259 (bfin_expand_movmem): ... this. Also change all uses.
7260 * config/bfin/bfin.md (movstrsi): Renamed to...
7261 (movstrsi): ...this.
7263 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7265 PR tree-optimization/26830
7267 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7268 (copy_prop_visit_stmt): Remove write-only variable ann.
7269 (init_copy_prop): Check variable loop depth here. Do not simulate
7270 memory-tag and virtual operand PHIs except for store copy prop.
7272 2006-03-30 Richard Guenther <rguenther@suse.de>
7274 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7275 variants with double arguments.
7277 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7279 * genpreds.c (write_tm_constrs_h): Delete variable p.
7280 * genconditions.c (write_header): Add tm-constrs.h to included
7282 * genpeep.c (main): Add toplev.h to included headers.
7283 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7284 (build/genpeep.o): Add toplev.h dependency.
7285 * config/rs6000/constraints.md: Add "W" constraint.
7287 2006-03-29 Roger Sayle <roger@eyesopen.com>
7289 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7290 sizes by correctly testing whether the size fits a host integer.
7291 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7292 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7293 SImode range for the default sizetype and bitsizetype.
7295 2006-03-29 Roger Sayle <roger@eyesopen.com>
7297 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7298 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7299 quickly if the argument is already of the correct type.
7300 Call fold_build1 instead of build1. Tidy up blank lines.
7302 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7304 * genemit.c (main): Add tm-constrs.h to included headers.
7305 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7306 * genpeep.c (main): Add tm-constrs.h to included headers.
7307 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7308 (write_tm_constrs_h): this and write complete file.
7309 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7310 (write_insn_preds_c): Add tm-constrs.h to included headers.
7311 (gen_constrs): New variable.
7312 (parse_option): Parse "-c".
7313 (main): Invoke write_tm_constrs_h.
7314 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7315 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7316 (object_out_file): Add tm-constrs.h dependency.
7317 (insn-emit.o): Same.
7318 (insn-output.o): Same.
7319 (insn-peep.o): Same.
7320 (insn-preds.o): Same.
7321 (insn-recog.o): Same.
7322 (tm-constsr.h): New target.
7323 (s-constrs-h): New target.
7325 * config/rs6000/constraints.md: New file.
7326 * config/rs6000/rs6000.c: Include tm-constrs.h.
7327 (num_insn_constant_wide): Convert to satisfies_constraint.
7328 (rs6000_rtx_costs): Convert to satisfies_constraint.
7329 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7330 (CONST_OK_FOR_LETTER_P): Delete.
7331 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7332 (EXTRA_CONSTRAINT): Delete.
7333 (EXTRA_MEMORY_CONSTRAINT): Delete.
7334 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7335 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7336 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7337 satisfies_constraint.
7339 * config/i386/i386.c: Include tm-constrs.h.
7341 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7343 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7344 * tree-data-ref.c (find_data_references_in_loop,
7345 compute_data_dependences_for_loop): Use pointers to VEC.
7346 (analyze_all_data_dependences): Adjust calls.
7347 * tree-data-ref.h (find_data_references_in_loop,
7348 compute_data_dependences_for_loop): Adjust declarations.
7349 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7350 compute_data_dependences_for_loop.
7352 2006-03-29 Paul Brook <paul@codesourcery.com>
7354 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7357 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7359 PR tree-optimization/26859
7360 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7362 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7363 for the step after fold_convert.
7365 2006-03-29 Paul Brook <paul@codesourcery.com>
7367 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7368 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7370 2006-03-29 Paul Brook <paul@codesourcery.com>
7373 * targhooks.c (default_narrow_bitfield): New fuction.
7374 * targhooks.h (default_narrow_bitfield): add prototype.
7375 * target.h (gcc_target): Add narrow_volatile_bitfield.
7376 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7377 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7378 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7379 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7381 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7383 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7385 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7386 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7387 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7388 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7389 (s390_function_arg_float): Allow SDmode and DDmode values to be
7390 passed in floating point registers.
7391 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7392 check with SCALAR_FLOAT_MODE_P.
7393 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7395 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7397 PR tree-optimization/25985
7398 * tree-ssa-loop-niter.c (number_of_iterations_le,
7399 number_of_iterations_ne): Make comments more precise.
7400 (number_of_iterations_cond): Add only_exit argument. Use the
7401 fact that signed variables do not overflow only when only_exit
7403 (loop_only_exit_p): New.
7404 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7405 number_of_iterations_cond.
7407 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7409 PR tree-optimization/26643
7410 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7413 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7415 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7416 (divsi3_i4_int): Likewise.
7418 2006-03-28 Roger Sayle <roger@eyesopen.com>
7420 * expr.c (emit_group_store): Only create a new pseudo reg if the
7421 quantity it needs to hold isn't already a suitable pseudo.
7423 2006-03-28 Jeff Law <law@redhat.com>
7425 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7426 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7428 2006-03-28 Roger Sayle <roger@eyesopen.com>
7430 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7431 the equivalent ~X & Y, and the symmetry related transformations.
7432 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7433 ~X & Y, and symmetry related transforms.
7435 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7437 Revert my 2006-03-27 patches.
7439 2006-03-28 Roger Sayle <roger@eyesopen.com>
7441 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7442 ~(T1)X, when T1 and T2 are integer types of the same precision
7443 and (T2)X isn't an extension.
7445 2006-03-28 Jeff Law <law@redhat.com>
7447 PR tree-optimization/26796
7448 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7449 need EH edge cleanups rather than purging them immediately.
7450 (eliminate_degenerate_phis): Handle queued EH cleanups.
7452 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7454 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7457 2006-03-27 Roger Sayle <roger@eyesopen.com>
7460 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7461 cast BIT_NOT_EXPR operand to the correct type.
7463 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7465 * tree-loop-linear.c: Don't include varray.h.
7466 (gather_interchange_stats, try_interchange_loops,
7467 linear_transform_loops): Use VEC instead of VARRAY.
7468 * lambda-mat.c: Don't include varray.h.
7469 * tree-chrec.c: Same.
7470 * lambda-trans.c: Same.
7471 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7472 VEC instead of VARRAY.
7473 * tree-vectorizer.h: Idem.
7474 * tree-data-ref.c (dump_data_references,
7475 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7476 initialize_data_dependence_relation, finalize_ddr_dependent,
7477 compute_all_dependences, find_data_references_in_loop,
7478 compute_data_dependences_for_loop, analyze_all_data_dependences,
7479 free_dependence_relation, free_dependence_relations,
7480 free_data_refs): Idem.
7481 * tree-data-ref.h (data_reference_p, subscript_p): New.
7482 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7483 VEC instead of VARRAY.
7484 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7485 (find_data_references_in_loop, compute_data_dependences_for_loop,
7486 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7487 dump_data_dependence_relations, free_dependence_relations,
7488 free_data_refs): Adjust declaration.
7489 (lambda_transform_legal_p): Move declaration here...
7490 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7491 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7492 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7493 vect_analyze_data_refs): Use VEC instead of VARRAY.
7494 * lambda.h (lambda_transform_legal_p): ...from here.
7495 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7496 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7497 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7498 tree-chrec.o): Don't depend on VARRAY_H.
7500 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7502 * rtl.def (Copyright): Update date.
7503 (DEPS_LIST): Change type of the second operand to 'int'.
7504 * target.h (Copyright): Update date.
7505 (struct gcc_target.speculate_insn): Change type of the second parameter
7507 * lists.c (Copyright): Update date.
7508 (alloc_DEPS_LIST): Change signature. Update reference to the second
7509 operand of the DEPS_LIST.
7510 (copy_DEPS_LIST_list): Update reference to the second operand of the
7512 * rtl.h (Copyright): Update date.
7513 (alloc_DEPS_LIST): Update signature.
7514 * sched-int.h (Copyright): Update date.
7515 (ds_t): Change typedef to 'int'.
7516 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7518 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7520 * haifa-sched.c (Copyright): Update date.
7521 (try_ready): Change condition to restore non-speculative pattern
7523 (process_insn_depend_be_in_spec): Code to keep probability of the
7524 speculative dependence non-decreasing.
7526 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7528 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7529 shut up the compiler.
7531 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7533 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7534 to use lib prefix for target.
7535 ($(T)libic_invalidate_array_4-200.a): Likewise.
7536 ($(T)libic_invalidate_array_4a.a): Likewise.
7538 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7539 J"orn Rennecke <joern.rennecke@st.com>
7541 * superh.opt: New file.
7542 * sh.c (boardtype, osruntime): Remove.
7543 * superh.h (SUBTARGET_OPTIONS): Remove.
7544 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7546 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7547 arguments with ^ and/or [].
7549 * config.gcc (sh-*-*): Add quoting to account for quirk of
7551 Replace == with = in enable_incomplete_targets test.
7553 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7554 with MASK_LITTLE_ENDIAN.
7556 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7557 * config/sh/sh.opt: Added to some comments.
7558 * config/sh/superh.h: Removed some chaff.
7560 * config/sh/sh.opt: Add m4-[1234]00* options.
7561 * config/sh/sh.c (sh_handle_option): Likewise.
7562 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7563 (ic_invalidate_array_4-100.o): New rule.
7564 ($(T)libic_invalidate_array_4-100.a): Likewise.
7565 (ic_invalidate_array_4-200.o): Likewise.
7566 ($(T)libic_invalidate_array_4-200.a): Likewise.
7567 (ic_invalidate_array_4a.o): Likewise.
7568 ($(T)libic_invalidate_array_4a.a): Likewise.
7569 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7570 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7572 * config/sh/crt1.asm: Merged in profiling code.
7573 * config/sh/superh.h (STARTFILE_SPEC): Override.
7574 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7575 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7576 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7578 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7579 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7580 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7582 * sh.opt (mpretend-cmove): New option.
7583 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7584 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7585 (movsicc): Add TARGET_PRETEND_CMOVE code.
7587 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7589 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7590 s390_class_max_nregs): New function prototypes.
7591 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7592 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7593 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7594 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7596 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7598 * dwarf2out.c (add_location_or_const_value_attribute): Call
7599 tree_add_const_value_attribute if nothing else works.
7600 (reference_to_unused): New.
7601 (rtl_for_decl_init): Use reference_to_unused to decide whether
7602 to output an initializer.
7604 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7607 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7608 peephole removing spe frob_di_df_2.
7610 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7612 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7613 (subscript_dependence_tester_1): Declared.
7614 (print_dir_vectors, print_dist_vectors): New.
7615 (debug_data_dependence_relation): New.
7616 (dump_data_dependence_relation): Print more details.
7617 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7618 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7619 (save_dist_v, save_dir_v, add_outer_distances,
7620 build_classic_dist_vector_1): New.
7621 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7622 Don't test for lambda_vector_lexico_pos.
7623 (same_access_functions, add_multivariate_self_dist,
7624 add_other_self_distances, dir_from_dist): New.
7625 (build_classic_dir_vector): Replace implementation almost identical to
7626 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7628 (subscript_dependence_tester_1): New.
7629 (subscript_dependence_tester): Handle the lexicographically negative
7630 distance vectors by recomputing the dependence relation.
7631 (compute_affine_dependence): Remove parameter loop_nest_depth.
7632 (compute_self_dependence): Don't call compute_subscript_distance.
7633 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7634 Add a parameter for the loop_nest.
7635 (find_loop_nest_1, find_loop_nest): New.
7636 (compute_data_dependences_for_loop): Compute the loop nest, and give
7637 up if the nest is not well formed.
7638 * tree-data-ref.h (loop_p): New.
7639 (struct data_dependence_relation): Replace size_vect field with
7640 loop_nest, a vec of loops.
7641 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7642 (DDR_LOOP_NEST): New.
7643 (print_dir_vectors, print_dist_vectors,
7644 debug_data_dependence_relation): Declared.
7645 (index_in_loop_nest): New.
7646 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7647 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7650 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7652 * simplify-rtx.c (simplify_relational_operation): Call
7653 simplify_relational_operation_1 even if mode is VOIDmode.
7655 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7657 PR tree-optimization/26804
7658 * tree.h (DECL_CALL_CLOBBERED): New macro.
7659 (tree_decl_common): Add call_clobbered_flag.
7660 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7661 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7662 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7663 (mark_non_addressable): Ditto.
7664 * tree-ssa.c (verify_call_clobbered): New function.
7665 (verify_alias_info): Use it.
7666 * tree-pass.h (pass_reset_cc_flags): New prototype.
7667 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7668 (reset_cc_flags): New function.
7669 * passes.c (init_optimization_passes): Call reset_cc_flags after
7670 initializing referenced_vars.
7672 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7673 Roger Sayle <roger@eyesopen.com>
7676 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7677 to 1.0 for non-real operands. Implement A / A optimization for
7680 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7682 * config/i386/i386.c (size_cost): Correct the comment for
7683 cost of storing fp registers.
7684 (i386_cost): Likewise.
7685 (i486_cost): Likewise.
7686 (pentium_cost): Likewise.
7687 (pentiumpro_cost): Likewise.
7688 (k6_cost): Likewise.
7689 (athlon_cost): Likewise.
7690 (k8_cost): Likewise.
7691 (pentium4_cost): Likewise.
7692 (nocona_cost): Likewise.
7693 (generic64_cost): Likewise.
7694 (generic32_cost): Likewise.
7696 2006-03-24 Denis Chertykov <denisc@overta.ru>
7698 * config/avr/avr-protos.h (extra_constraint): Delete.
7699 (extra_constraint_Q): New declaration.
7700 * config/avr/constraints.md: New file.
7701 * config/avr/avr.md: Include it.
7702 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7703 (TMP_REGNO, ZERO_REGNO): Likewise.
7704 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7705 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7706 (extra_constraint): Delete.
7707 (extra_constraint_Q): Test for memory constraint 'Q'.
7708 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7709 (REG_CLASS_FROM_LETTER): Delete.
7710 (CONST_OK_FOR_LETTER_P): Delete.
7711 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7712 (EXTRA_CONSTRAINT): Delete.
7713 (TMP_REGNO): Delete.
7714 (ZERO_REGNO): Delete.
7716 2006-03-24 Jeff Law <law@redhat.com>
7718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7719 directly. Call mark_new_vars_to_rename slightly earlier.
7721 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7723 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7725 (gen_compile_unit_die): Use new language types for Objective-C and
7727 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7728 DW_LANG_C_plus_plus.
7731 * config/t-darwin (crt3.o): Work around bug 26840.
7732 * config/darwin-crt3.c: Rewrite.
7733 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7735 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7737 * doc/invoke.texi: Document -femit-class-debug-always
7738 * common.opt: Add -femit-class-debug-always.
7740 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7742 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7743 index and base register.
7744 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7745 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7746 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7747 REGNO_OK_FOR_INDEX_P.
7748 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7750 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7751 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7752 REG_OK_FOR_BASE_P): Definitions removed.
7754 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7757 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7758 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7759 set yet or weren't marked as local yet.
7761 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7763 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7766 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7768 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7769 (rs6000_legitimate_small_data_p): Delete.
7770 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7771 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7772 and make static. Add forward declaration. Update uses.
7773 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7774 of offsettable_memref_p.
7775 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7776 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7778 2006-03-24 Jeff Law <law@redhat.com>
7780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7781 around bug in immediate-use iterator.
7783 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7786 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7787 or __LITTLE_ENDIAN__.
7789 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7791 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7792 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7793 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7794 * config/sh/sh.opt (mdiv=): Amend description.
7795 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7796 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7797 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7798 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7799 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7800 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7801 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7802 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7803 TARGET_DIVIDE_CALL_FP.
7805 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7807 * haifa-sched.c (choose_ready): Fix type of the local variable.
7808 Move local variables. Add comment.
7809 (check_reg_live): Change signature. Make callable from debugger.
7810 * sched-int.h (check_reg_live): Update signature.
7811 * sched-ebb.c (check_reg_live): Update parameters.
7812 * sched-rgn.c (check_reg_live): Ditto.
7813 (region_head_or_leaf_p): Check pointer before dereferencing.
7814 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7815 before reload on optimization levels below 1.
7817 2006-03-23 Richard Henderson <rth@redhat.com>
7819 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7823 * config/alpha/predicates.md (local_symbolic_operand): Reject
7826 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7829 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7830 expressions which have overflowed constants.
7832 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7834 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7836 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7838 * cfgloopmanip.c (create_loop_notes): Removed.
7839 * final.c (final_scan_insn): Do not handle loop notes.
7840 * jump.c (squeeze_notes): Ditto.
7841 * cfglayout.c (skip_insns_after_block,
7842 duplicate_insn_chain): Ditto.
7843 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7845 * cfgloop.h (create_loop_notes): Declaration removed.
7847 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7849 * varasm.c (output_constant_pool): Restore fnname and fndecl
7851 (assemble_start_function): Adjust call accordingly.
7852 (assemble_end_function): Likewise.
7854 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7857 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7860 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7862 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7865 * system.h (ICE_EXIT_CODE): New macro.
7866 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7867 (diagnostic_action_after_output): Likewise.
7868 * gcc.c (fatal_ice): New function.
7869 (execute): Use it instead of fatal.
7870 (fancy_abort): Likewise.
7871 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7873 2006-03-22 Jeff Law <law@redhat.com>
7875 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7876 iv_analyze_result returning false.
7878 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7880 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7882 2006-03-22 Richard Henderson <rth@redhat.com>
7885 * except.c (duplicate_eh_regions_0): New.
7886 (duplicate_eh_region_1): Duplicate the children of the node as
7887 well as the node itself. Link them up properly.
7888 (duplicate_eh_region_2): Merge into ...
7889 (duplicate_eh_regions): ... here. Take copy_region argument, and
7890 copy only a sub-tree if asked. Simplify copying and fixup.
7891 (eh_region_outer_p): New.
7892 * except.h (duplicate_eh_regions): Update decl.
7893 (eh_region_outer_p): Declare.
7894 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7895 (lower_omp_master): Likewise.
7896 (lower_omp_ordered): Likewise.
7897 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7898 (move_stmt_r): Use it to remap labels. Handle recursion vs
7899 remap_decls_p properly.
7900 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7901 (find_outermost_region_in_block): New.
7902 (new_label_mapper): New.
7903 (move_sese_region_to_fn): Copy eh information to the new function
7905 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7907 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7910 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7912 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7913 into shared libraries.
7915 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7917 * doc/md.texi: Refer to i386/constraints.md instead of
7919 * config/i386/constraints.md: New file, extracted from...
7920 * config/i386/predicates.md: ...here.
7921 * config/i386/i386.md: Include constraints.md.
7923 2006-03-21 Jason Merrill <jason@redhat.com>
7925 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7928 * expr.c (init_block_move_fn): Force default visibility.
7929 (init_block_clear_fn): Likewise.
7930 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7931 * targhooks.c (default_external_stack_protect_fail): Likewise.
7933 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7935 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7936 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7937 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7938 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7939 (loadgp): Use mips_current_loadgp_style.
7940 (loadgp_noshared): New pattern.
7941 (sibcall_internal): Use MIPS_CALL.
7942 (sibcall_value_internal): Likewise.
7943 (sibcall_value_multiple_internal): Likewise.
7944 (call_internal): Likewise.
7945 (call_value_internal): Likewise.
7946 (call_value_multiple_internal): Likewise.
7947 (call_split): Use MIPS_CALL and add an 'S' constraint.
7948 (call_value_split): Likewise.
7949 (call_value_multiple_split): Likewise.
7950 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7951 (-mshared): New option.
7952 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7953 (mips_current_loadgp_style): Declare.
7954 * config/mips/mips.c (mips_classify_symbol): Avoid using
7955 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7956 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7957 TARGET_ABSOLUTE_ABICALLS.
7958 (override_options): Adjust comments. Improve the warning that is
7959 issued when -mabicalls and -G are used together.
7960 (mips_file_start): Remove comment.
7961 (mips_current_loadgp_style): New function.
7962 (mips_gnu_local_gp): New variable.
7963 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7965 (mips_output_function_prologue): Use mips_current_laodgp_style.
7966 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7967 the cprestore instruction.
7968 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7969 live for TARGET_ABSOLUTE_ABICALLS.
7970 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7971 (ASM_SPEC): Pass down -mshared and -mno-shared.
7972 (MIPS_CALL): New macro.
7973 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7975 * doc/invoke.texi (-mabicalls): Update documentation.
7976 (-mshared): Document.
7978 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7980 * config/ia64/unwind-hpux.c: New file.
7981 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7983 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7986 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7988 2006-03-21 Jeff Law <law@redhat.com>
7990 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7991 type conversions of a VR_VARYING source to a wider type.
7993 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7995 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7996 tm_file on Solaris 10 and later.
7997 (sparc64-*-solaris2*): Likewise.
7998 (sparc-*-solaris2*): Likewise.
7999 * config/sol26.h: Rename to config/sol2-6.h.
8000 * config/sol2-10.h: New file.
8002 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8005 * tree-ssa-pre.c (create_component_ref_by_pieces):
8008 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8011 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8012 return it immediately.
8014 2006-03-21 Michael Matz <matz@suse.de>
8016 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8018 (remove_arc, add_arc): Update num_out_arcs member.
8019 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8021 (cache_presence): New function.
8022 (compare_states_for_equiv): New function.
8023 (state_is_differed): Don't take number of outargs, adjust callers.
8024 Use new invariant for speeding up.
8025 (init_equiv_class): Create initial classes based on sorted
8027 (partition_equiv_class): Don't track out_arcs_num.
8028 (evaluate_equiv_classes): Call cache_presence on all states and
8031 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8033 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8034 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8035 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8036 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8038 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8039 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8040 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8041 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8042 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8044 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8045 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8046 (REGNO_REG_CLASS): ARGP is in PREGS.
8047 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8049 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8050 to deal with those addresses.
8051 * addresses.h: New file.
8052 * caller-save.c: Include "addresses.h".
8053 (init_caller_save): Use new base_reg_class function.
8054 * rtl-factoring.c: Include "addresses.h".
8055 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8056 * recog.c: Include "addresses.h".
8057 (preprocess_constraints): Use new base_reg_class function.
8058 * regrename.c: Include "addresses.h".
8059 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8060 functions. Keep track of a new var INDEX_CODE to compute valid
8062 (replace_oldest_value_addr): Likewise.
8063 (replace_oldest_value_mem): Use base_reg_class.
8064 * reload.c: Include "addresses.h".
8065 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8066 (find_reloads): Use new base_reg_class function.
8067 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8068 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8069 all callers and prototype changed.
8070 * reload1.c: Include "addresses.h".
8071 (maybe_fix_stack_asms): Use base_reg_class.
8072 * regclass.c: Include "addresses.h".
8073 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8074 (init_reg_autoinc): Use new base_reg_class function.
8075 (record_reg_classes): Likewise.
8076 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8077 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8078 Use new args to compute necessary class.
8080 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8081 regrename.o, rtl-factoring.o): Update dependencies.
8082 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8083 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8084 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8085 REG_OK_FOR_INDEX_P): Delete documentation.
8087 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8089 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8090 from V7 to V9 for Solaris 7 and above.
8092 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8094 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8095 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8096 argument pointers may not alias any other storage.
8097 * common.opt: Define option -fargument-noalias-anything.
8098 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8099 alias semantics is specified by flag_argument_noalias > 2.
8101 2006-03-20 Jeff Law <law@redhat.com>
8103 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8104 (pass_phi_only_cprop): Declare.
8105 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8107 * tree-ssa-dom.c (degenerate_phi_result): New function.
8108 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8109 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8110 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8111 (eliminate_degenerate_phis): Likewise.
8112 (pass_phi_only_cprop): New pass descriptor.
8113 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8114 support code. Callers updated.
8115 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8116 (store_copy_prop): Likewise.
8117 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8119 2006-03-20 Jason Merrill <jason@redhat.com>
8122 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8123 (push_visibility, pop_visibility): Likewise.
8124 * c-pragma.h: Declare them.
8126 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8128 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8130 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8131 parameter and use get_ebb_head_tail.
8132 (sh_md_init_global): Adjust uses of find_regmode_weight.
8134 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8136 * function.h (struct function) <x_tail_recursion_reentry>:
8137 Rename to x_stack_check_probe_note.
8138 (tail_recursion_reentry): Rename to stack_check_probe_note.
8139 * function.c: Replace tail_recursion_reentry with
8140 stack_check_probe_note everywhere.
8141 (expand_function_start): Only emit a note for
8142 stack_check_probe_note with -fstack-protect.
8143 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8145 * emit-rtl.c (remove_unnecessary_notes): Remove.
8146 (pass_remove_unnecessary_notes): Remove.
8147 * rtl.h (remove_unnecessary_notes): Remove prototype.
8148 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8149 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8150 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8152 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8155 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8156 (valid_in_set): Handle ARRAY_REF.
8157 Change "if min_variant or VH" to asserts.
8158 (create_component_ref_by_pieces): Handle ARRAY_REF.
8159 (create_expression_by_pieces): Likewise.
8160 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8162 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8164 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8165 is operand of switch, not str[0].
8167 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8169 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8170 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8172 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8174 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8175 end of insn_extra_address_constraint declaration.
8177 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8179 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8180 (no-sum-in-toc): Same.
8181 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8183 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8184 NO_FP_IN_TOC for -fPIC instead of mask.
8186 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8187 (BOOT_LDFLAGS): Delete.
8189 * config/rs6000/t-aix52: Same.
8191 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8192 (stmsi[345678]_power): New.
8194 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8196 * config/ia64/ia64.opt: Add empty line to end of file.
8198 2006-03-17 Richard Guenther <rguenther@suse.de>
8201 * builtins.c (get_pointer_alignment): For component style references
8202 adjust alignment to the component type alignment. Make sure
8203 to adjust alignment for component access of constants.
8205 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8207 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8210 2006-03-17 Paul Brook <paul@codesourcery.com>
8212 * doc/install.texi: Docuemnt --with-mode.
8213 * config.gcc: Add --with-mode for arm*-*-*.
8214 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8216 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8218 * sh.c (max_labelno_before_reorg): New variable.
8219 (sh_reorg): Initialize it.
8220 (find_barrier): Check max_labelno_before_reorg before using
8221 label_to_alignment. Take length of explicit alignment insns
8222 into account. When seeing a UNSPECV_CONST_END, return it.
8224 * sh.c (fixup_mova): Set mode of affected label to QImode.
8225 (untangle_mova): New function.
8226 (find_barrier): Use it. Check mode of label before decrementing
8228 (sh_reorg): Likewise.
8229 Set mode of all insns back to VOIDmode.
8231 * sh.c (MOVA_LABELREF): New macro.
8232 (mova_p, fixup_mova, sh_reorg): Use it.
8233 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8234 ADDR_DIFF_VEC matches mova.
8236 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8238 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8239 with ATTRIBUTE_UNUSED.
8241 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8243 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8244 pointer, instead of assuming it is possible to derive the
8245 correct args size from a call insn.
8247 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8249 * rtl.h (CONST_INT_P): Define.
8250 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8251 instead of GET_CODE(x) == CONST_INT.
8252 (vax_rtx_costs): Likewise.
8253 (vax_output_int_move): Likewise.
8254 (vax_output_int_add): Likewise.
8255 (legitimate_constant_address_p): Likewise.
8256 (index_term_p): Likewise.
8257 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8258 * config/vax/vax.md (and<mode>3): Likewise.
8259 (ashrsi3): Likewise.
8261 (movstricthi): Likewise.
8262 (movstrictqi): Likewise.
8263 (rotrsi3): Likewise.
8264 (five unnamed insns): Likewise.
8266 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8268 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8269 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8270 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8271 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8272 Pass to ASM_OUTPUT_DWARF_OFFSET.
8273 * dwarf2out.c (debug_frame_section): New.
8274 (output_call_frame_info): Use debug_frame_section. Pass it to
8275 dw2_asm_output_offset.
8276 (output_die): Pass appropriate section to dw2_asm_output_offset.
8277 (output_compilation_unit_header): Likewise.
8278 (output_pubnames): Likewise.
8279 (output_aranges): Likewise.
8280 (enum dw_val_class): Break dw_val_class_lbl_offset into
8281 dw_val_class_lineptr and dw_val_class_macptr.
8282 (add_AT_lbl_offset): Delete.
8283 (add_AT_lineptr): New.
8284 (add_AT_macptr): New.
8285 (AT_lbl): Expect a lineptr or macptr.
8286 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8287 (attr_checksum): Likewise.
8288 (same_dw_val_p): Likewise.
8289 (size_of_die): Likewise.
8290 (value_format): Likewise.
8291 (output_die): Likewise.
8292 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8294 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8295 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8296 * config/darwin-protos.h (darwin_file_start): New.
8297 (darwin_asm_output_dwarf_offset): New.
8298 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8299 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8301 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8302 if not EH section; simplify.
8303 (darwin_file_start): New.
8304 (darwin_asm_output_dwarf_offset): New.
8305 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8307 (DEBUG_INFO_SECTION): Likewise.
8308 (DEBUG_ABBREV_SECTION): Likewise.
8309 (DEBUG_ARANGES_SECTION): Likewise.
8310 (DEBUG_MACINFO_SECTION): Likewise.
8311 (DEBUG_LINE_SECTION): Likewise.
8312 (DEBUG_LOC_SECTION): Likewise.
8313 (DEBUG_PUBNAMES_SECTION): Likewise.
8314 (DEBUG_STR_SECTION): Likewise.
8315 (DEBUG_RANGES_SECTION): Likewise.
8316 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8317 (ASM_OUTPUT_DWARF_OFFSET): New.
8319 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8321 * config.gcc (tm_defines): Always add to previous value rather
8324 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8326 * config/mips/predicates.md (splittable_const_int_operand): New,
8327 split from move_operand.
8328 (splittable_symbolic_operand): New.
8329 (move_operand): Add commentary. Use splittable_const_int_operand.
8330 Inline mips_atomic_symbolic_constant_p.
8331 * config/mips/mips.md: Add combine splitters for handling moves
8332 of splittable_const_int_operands and splittable_symbolic_operands.
8333 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8334 (mips_split_symbol): Declare.
8335 (mips_move_integer): Declare.
8336 * config/mips/mips.c (mips_split_p): Make global.
8337 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8338 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8339 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8340 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8341 (mips_offset_within_object_p): Handle block symbols.
8342 (mips_atomic_symbolic_constant_p): Delete.
8343 (mips_cannot_force_const_mem): Return false for constants that
8344 mips_legitimize_move can handle.
8345 (mips_use_blocks_for_constant_p): New function.
8346 (mips_split_symbol): Make global.
8347 (mips_move_integer): Likewise. Add a temporary register argument.
8348 (mips_legitimize_const_move): Use splittable_const_int_operand and
8349 splittable_symbolic_operand.
8350 (mips_use_anchors_for_symbol_p): New function.
8351 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8352 (mips_split_p): Declare.
8354 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8356 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8357 (mips*-*-linux*): Likewise.
8359 2006-03-16 Roger Sayle <roger@eyesopen.com>
8360 Daniel Speyer <dspeyer@wam.umd.edu>
8363 * tree-dump.c (dump_real): New function.
8364 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8365 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8366 (tree-dump.o): Add $(REAL_H) to the dependencies.
8368 2006-03-16 Roger Sayle <roger@eyesopen.com>
8371 * real.c (real_from_string): If the mantissa is zero, don't bother
8372 parsing the exponent as the result should always be zero.
8374 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8376 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8378 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8380 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8381 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8382 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8383 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8384 ia64_sched_finish_global): New static functions to implement
8385 hooks from gcc_target.sched.
8386 (spec_check_no, max_uid, pending_data_specs): New static variables.
8387 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8388 ia64_spec_check_src_p): New static functions.
8389 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8390 (TARGET_SCHED_ADJUST_COST): Removed.
8391 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8392 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8393 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8394 TARGET_SCHED_GEN_CHECK,
8395 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8396 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8397 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8398 Fixed to handle speculation checks.
8399 (rtx_needs_barrier): Fixed to handle speculative loads and
8401 (ia64_variable_issue): Added code to count speculative loads and their
8403 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8405 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8407 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8409 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8410 (ia64_reorg): Reset stops_p to NULL after it is freed.
8411 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8412 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8413 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8415 (data_speculative, control_speculative, check_load): New attributes.
8416 (mov<mode>_advanced, mov<mode>_speculative,
8417 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8418 zero_extend<mode>di2_speculative,
8419 zero_extend<mode>di2_speculative_advanced): New patterns for
8420 data and control speculative loads.
8421 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8423 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8424 New pattern for data and control speculation checks.
8425 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8426 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8427 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8428 Auxiliary definitions for the patterns.
8429 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8430 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8432 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8434 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8435 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8436 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8437 New resource constraints.
8438 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8440 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8441 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8442 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8443 msched-in-control-spec, msched-ldc, msched-control-ldc,
8444 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8445 msched-prefer-non-control-spec-insns,
8446 msched-count-spec-in-critical-path): New flags to tune speculative
8448 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8449 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8450 msched-in-control-spec, msched-ldc, msched-control-ldc,
8451 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8452 msched-prefer-non-control-spec-insns,
8453 msched-count-spec-in-critical-path): Document new flags.
8455 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8457 * target.h (struct spec_info_def): New opaque declaration.
8458 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8459 speculate_insn, needs_block_p, gen_check,
8460 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8461 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8462 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8463 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8464 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8465 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8467 (TARGET_SCHED): Use new macros.
8468 * rtl.h (copy_DEPS_LIST_list): New prototype.
8469 * sched-int.h (struct sched_info): Change signature of new_ready field,
8470 adjust all initializations. New fields: add_remove_insn,
8471 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8472 region_head_or_leaf_p.
8473 (struct spec_info_def): New structure declaration.
8474 (spec_info_t): New typedef.
8475 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8476 recovery_block, orig_pat.
8477 (glat_start, glat_end): New variables declaraions.
8478 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8480 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8481 DETACH_LIFE_INFO, USE_GLAT.
8482 (enum SPEC_SCHED_FLAGS): New enumeration.
8483 (NOTE_NOTE_BB_P): New macro.
8484 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8485 attach_life_info, debug_spec_status, check_reg_live): New functions.
8486 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8487 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8489 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8490 * ddg.c (get_block_head_tail): Adjust all uses.
8491 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8492 (sms_sched_info): Initialize new fields.
8493 (contributes_to_priority): Removed.
8494 * haifa-sched.c (params.h): New include.
8495 (get_block_head_tail): Adjust all uses.
8496 (ISSUE_POINTS): New macro.
8497 (glat_start, glat_end): New global variables.
8498 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8499 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8500 old_last_basic_block, before_recovery, current_sched_info_var,
8501 rgn_n_insns, luid): New static variables.
8502 (insn_cost1): New function. Move logic from insn_cost to here.
8503 (find_insn_reg_weight1): New function. Move logic from
8504 find_insn_reg_weight to here.
8505 (reemit_notes, move_insn, max_issue): Change signature.
8506 (move_insn1): Removed.
8507 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8508 extend_bb): New static functions to support extension of scheduler's
8510 (generate_recovery_code, process_insn_depend_be_in_spec,
8511 begin_speculative_block, add_to_speculative_block,
8512 init_before_recovery, create_recovery_block, create_check_block_twin,
8513 fix_recovery_deps): New static functions to support
8514 generation of recovery code.
8515 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8516 restore_bb_notes, move_block_after_check, move_succs): New static
8517 functions to support ebb scheduling.
8518 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8519 functions to support handling of register live information.
8520 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8521 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8522 add_jump_dependencies): New static functions.
8523 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8524 consistancy checking.
8525 (debug_spec_status): New function to call from debugger.
8526 (priority): Added code to handle speculation checks.
8527 (rank_for_schedule): Added code to distinguish speculative instructions.
8528 (schedule_insn): Added code to handle speculation checks.
8529 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8530 Fixed to handle ebbs.
8531 (move_insn): Added code to handle ebb scheduling.
8532 (max_issue): Added code to use ISSUE_POINTS of instructions.
8533 (choose_ready): Added code to choose between speculative and
8534 non-speculative instructions.
8535 (schedule_block): Added code to handle ebb scheduling and scheduling of
8536 speculative instructions.
8537 (sched_init): Initialize new variables.
8538 (sched_finish): Free new variables. Print statistics.
8539 (try_ready): Added code to handle speculative instructions.
8540 * lists.c (copy_DEPS_LIST_list): New function.
8541 * sched-deps.c (extend_dependency_caches): New function. Move logic
8542 from create_dependency_caches to here.
8543 (get_dep_weak, ds_merge): Make global.
8544 * genattr.c (main): Code to output prototype for
8545 dfa_clear_single_insn_cache.
8546 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8547 (output_dfa_clean_insn_cache_func): Code to output
8548 dfa_clear_single_insn_cache function.
8549 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8551 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8553 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8554 New static variables.
8555 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8556 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8558 (ebb_sched_info): Initialize new fields.
8559 (get_block_head_tail): Adjust all uses.
8560 (compute_jump_reg_dependencies): Fixed to use glat_start.
8561 (schedule_ebb): Code to remove unreachable last block.
8562 (schedule_ebbs): Added code to update register live information.
8563 * sched-rgn.c (region_sched_info): Initialize new fields.
8564 (get_block_head_tail): Adjust all uses.
8565 (last_was_jump): Removed. Adjust users.
8566 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8567 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8568 Implement new hooks.
8569 (check_dead_notes1): New static function.
8570 (struct region): New fields: dont_calc_deps, has_real_ebb.
8571 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8572 (BB_TO_BLOCK): Fixed to handle EBBs.
8573 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8574 (ebb_head): New static variable.
8575 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8576 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8578 (compute_dom_prob_ps): New assertion.
8579 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8580 global_live_at_start.
8581 (init_ready_list): New assertions.
8582 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8583 (new_ready): Add support for BEGIN_CONTROL speculation.
8584 (schedule_insns): Fixed code that updates register live information
8586 (schedule_region): Fixed to handle EBBs.
8587 (init_regions): Use extend_regions and check_dead_notes1.
8588 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8589 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8590 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8591 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8592 TARGET_SCHED_GEN_CHECK,
8593 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8594 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8595 * doc/invoke.texi (max-sched-insn-conflict-delay,
8596 sched-spec-prob-cutoff): Document.
8598 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8600 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8601 inter_tick, queue_index.
8602 (struct sched_info): Change signature of init_ready_list field.
8603 Adjust all initializations.
8604 (RESOLVED_DEPS): New access macro.
8605 (ready_add): Remove prototype.
8606 (try_ready): Add prototype.
8607 * sched-rgn.c (init_ready_list): Use try_ready.
8608 (schedule_region): Initialize
8609 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8610 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8611 (init_ready_list): Use try_ready.
8612 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8613 * lists.c (remove_list_elem): Remove `static'.
8614 (remove_free_INSN_LIST_elem): New function.
8615 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8616 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8617 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8619 (readyp): New variable.
8620 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8621 change_queue_index, resolve_dep): New static functions.
8622 (try_ready): New function. Adjust callers in sched-rgn.c and
8623 sched-ebb.c to use it instead of ready_add.
8624 (clock_var): Move at the begining of file.
8625 (rank_for_schedule): Fix typo.
8626 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8627 (ready_lastpos): Enforce assertion.
8628 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8630 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8631 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8632 (queue_to_ready): Use free_INSN_LIST_list.
8633 (early_queue_to_ready): Fix typo.
8634 (schedule_block): Init readyp. Move init_ready_list call after the
8635 initialization of clock_var. Fix error in rejecting insn by
8636 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8637 that previously corrected INSN_TICKs. Add code for handling
8639 (set_priorities): Fix typo.
8640 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8641 Clarify comment and code that keeps current_sched_info->next_tail
8644 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8646 * sched-rgn.c (extend_rgns): New static function.
8647 (find_rgns): Use it.
8648 (gather_region_statistics, print_region_statistics): New static
8650 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8651 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8653 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8654 Andrey Belevantsev <abel@ispras.ru>
8656 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8657 * lists.c (unused_deps_list): New variable.
8658 (free_list): Add assertions to verify the proper distinguishing
8659 between INSN_LISTs and DEPS_LISTs.
8660 (find_list_elem, remove_list_elem, remove_list_node): New static
8662 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8663 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8664 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8665 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8667 (free_INSN_LIST_node): Likewise.
8668 * modulo-sched.c (current_sched_info): Initialize flags field.
8669 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8670 * rtl.def (DEPS_LIST): Define.
8671 * rtl.h: Declare new functions from lists.c.
8672 * sched-deps.c (spec_dependency_cache): New static variable.
8673 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8674 (add_dependence): Change return type to void. Move the logic to ...
8675 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8676 (delete_all_dependences): Add comment about forward_dependency_cache.
8677 Handle spec_dependency_cache. Handle DEPS_LISTs.
8678 (fixup_sched_groups): Clarify the change of priority of output
8679 and anti dependencies.
8680 (sched_analyze_2): Adjust add_dependence calls to create data
8681 speculative dependence.
8682 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8683 Adjust all callers. Handle DEPS_LISTS.
8684 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8685 presence of speculation.
8686 (init_dependency_caches, free_dependency_caches):
8687 Handle spec_dependency_cache.
8688 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8689 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8690 New static functions.
8691 (add_or_update_back_dep, add_or_update_back_forw_dep,
8692 add_back_forw_dep, delete_back_forw_dep): New functions.
8693 * sched-int.h (ds_t, dw_t): New typedefs.
8694 (struct sched_info): Add new field flags.
8695 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8696 Prototype new sched-deps.c functions.
8697 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8698 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8699 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8700 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8701 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8702 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8704 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8706 * sched-rgn.c (current_sched_info): Initialize flags field.
8707 (schedule_insns): Initialize current_sched_info before the sched_init
8709 * sched-ebb.c (current_sched_info): Initialize flags field.
8710 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8711 Call add_or_update_back_dep instead of add_dependence.
8712 Create control speculative dependencies.
8713 (schedule_insns): Initialize current_sched_info before the sched_init
8716 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8718 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8720 (sh_fallback_frame_state): Likewise.
8722 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8724 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8725 Do switch on default_use_cxa_atexit.
8726 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8727 * config/darwin-crt3.o: New.
8728 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8729 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8730 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8732 * config/rs6000/t-darwin: Move crt2.o building to here.
8733 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8734 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8737 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8739 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8740 from '! xxx' to '!xxx' for coding-style conformance.
8741 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8742 (EXTRA_CONSTRAINT): Likewise.
8743 * config/vax/vax.md (four unnamed insns): Likewise.
8745 2006-03-15 Paul Brook <paul@codesourcery.com>
8747 * config/arm/arm.c (minipool_pad): New.
8748 (add_minipool_forward_ref): Include pool alignment padding in address
8750 (push_minipool_fix): Set minipool_pad.
8751 (minipool_pad): Ditto.
8753 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8755 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8756 instead of GET_CODE() == MEM and REG_P() instead of
8758 (print_operand_address): Likewise.
8759 (vax_address_cost): Likewise.
8760 (vax_rtx_costs): Likewise.
8761 (vax_notice_update_cc): Likewise.
8762 (vax_output_int_add): Likewise.
8763 (INDEX_REGISTER_P): Likewise.
8764 (BASE_REGISTER_P): Likewise.
8765 (nonindexed_address_p): Likewise.
8766 (vax_mode_dependent_address_p): Likewise.
8767 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8768 (PRINT_OPERAND): Likewise.
8769 * config/vax/vax.md (ashlsi3): Likewise.
8770 (ashlsi3): Likewise.
8771 (some more unnamed insns): Likewise.
8773 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8775 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8776 iterator-style macro.
8777 (mark_control_dependent_edges_necessary): Update the use of
8778 EXECUTE_IF_CONTROL_DEPENDENT.
8780 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8782 * config/sh/predicates.md (cache_address_operand): Special.
8783 (ua_address_operand): Likewise.
8785 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8787 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8789 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8791 2006-03-15 Andreas Schwab <schwab@suse.de>
8793 * gensupport.c (identify_predicable_attribute): Don't free p_false
8794 when it is still in use.
8796 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8798 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8799 the default setting here.
8801 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8803 * tree-pass.h (pass_cfg): Remove.
8804 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8805 * passes.c (pass_cfg): Don't run it.
8807 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8809 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8810 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8812 (stack_regs_mentioned): Update the uses of
8813 stack_regs_mentioned_data. Don't access the array beyond its
8815 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8816 Don't include gt-reg-stack.h.
8818 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8819 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8821 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8824 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8827 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8829 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8831 2006-03-14 Richard Guenther <rguenther@suse.de>
8833 PR tree-optimization/26672
8834 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8837 2006-03-14 Richard Guenther <rguenther@suse.de>
8839 PR tree-optimization/26667
8840 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8841 node for the callees. Always allow inlining if it will shrink
8844 2006-03-14 Richard Guenther <rguenther@suse.de>
8847 * builtins.c (get_pointer_alignment): Prefer alignment
8848 information from decls over that from types.
8850 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8853 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8855 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8857 * config/rs6000/rs6000.opt (mdlmzb): New option.
8858 (msched-prolog, msched-epilog): Use Var not Mask.
8859 * doc/invoke.texi (-mdlmzb): Document.
8860 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8862 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8863 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8865 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8867 PR rtl-optimization/25739
8868 * bt-load.c (augment_live_range): Free tos pointer.
8870 * gensupport.c (identify_predicable_attribute): Free
8872 * gcov.c (create_file_names): Free name pointer.
8874 2006-03-13 Roger Sayle <roger@eyesopen.com>
8877 * stmt.c (emit_case_nodes): Handle the case where the index is a
8878 CONST_INT, where the comparison mode is specified by the index type.
8880 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8882 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8885 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8887 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8888 (*branch_fp_inverted): Likewise.
8890 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8893 * omp-low.c (expand_omp_for_generic): Mark istart0
8894 and iend0 as addressable.
8896 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8898 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8900 2006-03-13 Jeff Law <law@redhat.com>
8902 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8903 virtual operands are interesting.
8904 (vrp_visit_stmt): Corresponding changes.
8906 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8908 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8910 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8911 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8912 * config/bfin/crti.S: Use it instead of __PIC__.
8913 * config/bfin/crtn.S: Likewise.
8915 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8916 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8918 Lose 'G' modifier for call operand.
8919 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8920 recognize 'G' modifier.
8922 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8925 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8926 * stmt.c (expand_case): Likewise.
8928 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8930 PR rtl-optimization/26254
8931 * loop-invariant.c (seq_insns_valid_p): New function.
8932 (move_invariant_reg): Only emit new code if it is valid.
8934 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8936 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8938 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8939 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8940 (commit_one_edge_insertion): Do not look for loop notes.
8942 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8944 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8945 flag_test_coverage out of loop.
8947 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8949 * final.c (shorten_branches): Remove outdated comment, and turn
8950 the if branch that guards it to continue.
8952 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8954 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8955 * cfgloop.h (struct loop): Remove unused fields.
8957 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8959 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8960 (-dL, -fdump-rtl-loop2): Update the dump file names
8962 * doc/invoke.texi: Update dump file names.
8964 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8966 * predict.c (estimate_probability): Remove.
8967 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8968 * basic-block.h (estimate_probability): Remove prototype.
8969 * passes.c (finish_optimization_passes): Dump branch prediction or
8970 profiling heuristics to the .profile tree dump.
8971 (init_optimization_passes): Unqueue pass_branch_prob.
8973 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8975 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8977 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8978 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8980 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8982 * function.h (frame_offset_overflow): Declare.
8983 * function.c (frame_offset_overflow): New function.
8984 (assign_stack_local_1): Call it to detect that the offset overflows.
8985 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8987 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8989 * config/sh/sh.c: Include alloc-pool.h.
8990 (label_ref_list_pool): New alloc pool.
8991 (label_ref_list_t): New type for lists of labels.
8992 (struct pool_node): Make wend a label_ref_list_t.
8993 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8995 (dump_table): Likewise.
8996 (sh_reorg): Set up the alloc pool before using add_constant and
8997 dump_table, and destroy it when finishing.
8999 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9001 * config/mips/mips.c: Remove redundant comment.
9003 2006-03-10 Jason Merrill <jason@redhat.com>
9006 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9007 the target was declared 'register'.
9009 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9011 * genpreds.c (write_insn_constraint_len): Change definition of
9012 insn_constraint_len to return size_t to match the declaration.
9014 2006-03-10 DJ Delorie <dj@redhat.com>
9016 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9018 (m32c_expand_insv): Fix test for an AND mask.
9020 2006-03-10 Richard Guenther <rguenther@suse.de>
9023 * builtins.c (get_pointer_alignment): Handle component
9024 references for field alignment.
9026 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9028 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9029 when building with libgloss.
9030 (sh*elf): Implement --without-fp option.
9031 (sh64-superh-linux*): Don't multilib.
9033 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9035 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9037 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9039 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9040 Set it when one of the replacement functions returned true.
9041 Return TODO_cleanup_cfg if cfgchanged is true.
9042 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9044 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9046 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9047 instead of gen_lowpart.
9049 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9051 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9053 (mips_output_order_conditional_branch): Declare.
9054 * config/mips/mips.h (MIPS_BRANCH): New macro.
9055 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9056 for the comparison. Use gen_condjump.
9057 (mips_output_conditional_branch): Rework interface to take the
9058 asm templates for a direct branch and the inverse of a direct branch.
9059 (mips_output_order_conditional_branch): New function.
9060 (mips_builtin_branch_and_move): New function.
9061 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9062 branch condition. Use gen_single_cc as the condition for
9063 __builtin_mips_upper_* or __builtin_mips_lower_*.
9064 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9065 Use VOIDmode for the branch condition.
9066 * config/mips/predicates.md (order_operator): New predicate.
9067 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9068 (branch_fp): Rename to...
9069 (*branch_fp): ...this. Remove mode from comparison operator.
9070 Use new mips_output_conditional_branch interface.
9071 (branch_fp_inverted): Rename to...
9072 (*branch_fp_inverted): ...this and update as for *branch_fp.
9073 (*branch_zero<mode>): Rename to...
9074 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9075 Use mips_output_order_conditional_branch. Only accept ordered
9077 (*branch_zero<mode>_inverted): Rename to...
9078 (*branch_order<mode>_inverted): ...this and update as for
9079 *branch_order<mode>.
9080 (*branch_equality<mode>): Accept zero as the second operand to
9081 the equality operator. Use the new mips_output_conditional_branch
9083 (*branch_equality<mode>_inverted): Likewise.
9084 (condjump): New expander.
9085 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9087 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9088 (bc1any2t, bc1any2f): Likewise.
9089 (single_cc): New expander.
9090 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9092 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9094 * doc/md.texi: Update documentation of MIPS constraints.
9095 * config/mips/constraints.md: New file.
9096 * config/mips/mips.md: Include it.
9097 * config/mips/mips.c (mips_char_to_class): Delete.
9098 (override_options): Don't initialize mips_char_to_class.
9099 * config/mips/mips.h (mips_char_to_class): Delete.
9100 (REG_CLASS_FROM_LETTER): Delete.
9101 (CONST_OK_FOR_LETTER_P): Delete.
9102 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9103 (EXTRA_CONSTRAINT_Y): Delete.
9104 (EXTRA_CONSTRAINT_STR): Delete.
9105 (CONSTRAINT_LEN): Delete.
9106 (EXTRA_MEMORY_CONSTRAINT): Delete.
9108 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9110 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9111 original fn's eh regions.
9113 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9115 * fold-const.c (build_range_check): Make sure to use a valid type to
9116 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9119 (range_predecessor): New static function.
9120 (range_successor): Likewise.
9121 (merge_ranges): Use them to compute predecessors and successors of
9124 2006-03-09 Roger Sayle <roger@eyesopen.com>
9127 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9128 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9130 2006-03-08 DJ Delorie <dj@redhat.com>
9132 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9133 (addpsi3): Expand to include memory operands. Remove
9134 reload-specific splits.
9135 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9136 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9137 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9138 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9139 (shift1_qi, shift1_hi, insv): New.
9140 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9141 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9142 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9144 * config/m32c/m32c-protos.h: Update as needed.
9145 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9146 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9147 Fail for unrecognized R* constraints.
9148 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9149 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9150 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9152 (m32c_init_libfuncs): New.
9153 (m32c_legitimate_address_p): Add debug wrapper.
9154 (m32c_rtx_costs): New.
9155 (m32c_address_cost): New.
9156 (conversions): Add 'B' prefix.
9157 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9158 operands, or word regnames for QI operands. 'B' prints bit
9160 (m32c_expand_setmemhi): New.
9161 (m32c_expand_movmemhi): New.
9162 (m32c_expand_movstr): New.
9163 (m32c_expand_cmpstr): New.
9164 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9165 (m32c_expand_neg_mulpsi3): Handle non-ints.
9166 (m32c_cmp_flg_0): New.
9167 (m32c_expand_movcc): New.
9168 (m32c_expand_insv): New.
9169 (m32c_scc_pattern): New.
9170 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9171 a0/a1 out of SIregs.
9172 (STORE_FLAG_VALUE): New.
9173 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9176 * config/m32c/mov.md: Make constraints more liberal.
9177 (zero_extendqihi2): Optimize r0/r1 case.
9178 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9179 * config/m32c/predicates.md (m32c_any_operand): New.
9180 (m32c_nonimmediate_operand): New.
9181 (m32c_hl_operand): New.
9182 (m32c_r3_operand): New.
9185 (memsym_operand): New.
9186 (memimmed_operand): New.
9187 (a_qi_operand): New.
9188 (m32c_eqne_operator): New.
9189 (m32c_1bit8_operand): New.
9190 (m32c_1bit16_operand): New.
9191 (m32c_1mask8_operand): New.
9192 (m32c_1mask16_operand): New.
9193 * config/m32c/blkmov.md: New file.
9194 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9196 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9198 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9199 unsigned to fix signed/unsigned comparison issue in
9200 DWARF2_FRAME_REG_OUT.
9201 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9202 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9204 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9205 of ptr into the ENABLE_CHECKING section.
9207 2006-03-08 Jeff Law <law@redhat.com>
9209 * tree-vrp.c (infer_value_range): Only count pointer uses
9210 and dereferences if -fdelete-null-pointer-checks is enabled.
9212 * tree-vrp.c (find_assert_locations): Infer value ranges for
9213 single use pointers, but do not create ASSERT_EXPRs for them.
9214 When a non-null range is inferred for a pointer, backwards
9215 propagate that range to other equivalent pointers through the
9218 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9221 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9222 language hook targets.
9223 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9224 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9225 if language hook targets were missing.
9227 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9229 * tree-ssa-opfinalize.h: Removed.
9230 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9232 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9233 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9234 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9235 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9236 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9237 finalize_ssa_v_must_def_ops): New.
9239 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9241 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9244 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9246 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9248 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9249 addresses with offsets; reorganize.
9251 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9252 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9253 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9255 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9258 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9260 2006-03-08 Ben Elliston <bje@au.ibm.com>
9262 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9264 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9267 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9270 2006-03-07 Richard Guenther <rguenther@suse.de>
9272 PR tree-optimization/26587
9273 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9275 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9277 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9279 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9281 * hooks.c (hook_bool_mode_rtx_true): New function.
9282 * hooks.h (hook_bool_mode_rtx_true): Declare.
9283 * toplev.c (compile_file): Call output_shared_constant_pool.
9284 * varasm.c (shared_constant_pool): New variable.
9285 (assemble_start_function, assemble_end_function): Remove arguments
9286 from call to output_constant_pool.
9287 (create_constant_pool): New function, split out from...
9288 (init_varasm_status): ...here.
9289 (force_const_mem): Choose between the shared and per-function constant
9290 pools. Set current_function_uses_const_pool when reusing old entries
9291 as well as when creating new ones.
9292 (mark_constant): Ignore data argument.
9293 (mark_constants): Remove pool argument.
9294 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9295 to decide whether the function uses a constant pool.
9296 (output_constant_pool_contents): New function, split out from...
9297 (output_constant_pool): ...here.
9298 (output_shared_constant_pool): New function.
9299 (init_varasm_once): Initialize shared_constant_pool.
9300 * output.h (output_constant_pool): Delete.
9301 (output_shared_constant_pool): Declare.
9302 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9303 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9305 2006-03-06 Nick Clifton <nickc@redhat.com>
9307 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9308 flag_strength_reduce.
9310 2006-03-06 Ben Elliston <bje@au.ibm.com>
9312 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9313 x86_64-*-linux* configurations.
9315 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9316 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9318 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9320 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9322 * basic-block.h: Remove the extern for
9323 rediscover_loops_after_threading.
9325 * cfgloop.c (cancel_loop): Make it static.
9326 * cfgloop.h: Remove the prototype for cancel_loop.
9328 * flow.c (recompute_reg_usage): Make it static.
9329 * rtl.h: Remove the prototype for recompute_reg_usage.
9331 * function.c (use_return_register): Make it static.
9332 * function.h: Remove the prototype.
9334 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9336 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9338 * recog.h: Remove the prototype for
9339 validate_change_maybe_volatile.
9341 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9343 * rtlanal.c (replace_reg): Remove.
9344 * rtl.h: Remove the prototype for replace_reg.
9346 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9348 * regclass.c (reg_scan_update): Remove.
9349 (reg_scan_mark_refs): Remove the last argument.
9350 * rtl.h: Remove the prototype for reg_scan_update.
9352 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9354 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9355 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9356 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9357 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9358 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9359 loop-invariant.c, omp-low.c, opts.c, passes.c,
9360 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9361 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9362 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9363 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9364 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9365 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9367 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9369 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9370 * dwarf2out.h: Remove the prototype for
9371 dwarf2out_add_library_unit_info.
9373 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9375 * tree.c (add_var_to_bind_expr): Remove.
9376 * tree.h: Remove the prototype for add_var_to_bind_expr.
9378 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9380 * regclass.c (n_non_fixed_regs): Remove.
9381 (init_reg_sets_1, globalize_reg): Remove all uses of
9383 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9385 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9387 * rtlanal.c (insns_safe_to_move_p): Remove.
9388 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9390 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9392 * expmed.c (expand_mult_add): Remove.
9393 * expr.h: Remove the prototype for expand_mult_add.
9395 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9397 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9398 and REG_SAVED_VAL_EXP constants.
9399 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9400 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9401 Handle regs stored by value.
9402 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9403 (execute_cfa_program): Handle DW_CFA_val_offset,
9404 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9405 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9406 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9407 (uw_install_context_1): Handle target regs stored by value.
9409 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9411 * tree-sra.c (tree_sra): Return todoflags;
9412 (generate_one_element): Set TODO_update_smt_usage if needed.
9413 (pass_sra): Remove TODO_update_smt_usage.
9414 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9416 (tree_ssa_forward_propagate_single_use_vars): Return
9417 TODO_update_smt_usage if we need to update SMT usage.
9418 (pass_forwprop): Remove TODO_update_smt_usage.
9420 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9422 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9423 (correct_use_link): Remove reference to get_stmt_operands.
9424 (update_stmt_operands): Likewise.
9425 (get_modify_expr_operands): New function factored out of
9426 parse_ssa_operands and get_expr_operands.
9427 Try to create V_MUST_DEFs for LHS by default.
9428 (get_expr_operands) <case MODIFY_EXPR>: Call
9429 get_modify_expr_operands.
9430 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9431 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9432 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9433 get_modify_expr_operands.
9435 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9437 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9438 * tree-flow.h: Remove the prototype for
9439 referenced_var_lookup_if_exists.
9441 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9443 PR rtl-optimization/26345
9445 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9447 2006-03-03 Roger Sayle <roger@eyesopen.com>
9449 PR tree-optimization/26524
9450 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9451 fold_convert to create a constant of the appropriate type.
9453 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9455 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9456 SYMBOL_REF_IN_BLOCK_P.
9457 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9458 of SYMBOL_FLAG_IN_BLOCK.
9459 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9460 instead of SYMBOL_REF_IN_BLOCK_P.
9461 * explow.c (use_anchored_address): Likewise.
9462 * rtl.c (rtx_size): Likewise.
9463 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9464 instead of SYMBOL_FLAG_IN_BLOCK.
9465 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9466 SYMBOL_REF_IN_BLOCK_P.
9467 (assemble_variable): Likewise.
9468 (output_constant_def_contents): Likewise.
9469 (output_constant_pool): Likewise.
9470 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9471 instead of SYMBOL_FLAG_IN_BLOCK.
9472 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9473 SYMBOL_REF_IN_BLOCK_P.
9474 (SYMBOL_REF_BLOCK): Likewise.
9475 (SYMBOL_REF_OFFSET): Likewise.
9476 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9477 SYMBOL_REF_IN_BLOCK_P.
9478 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9479 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9480 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9481 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9483 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9485 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9487 2006-03-02 Roger Sayle <roger@eyesopen.com>
9489 * simplify-rtx.c (simplify_unary_operation): When simplifying
9490 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9491 that we perform the right shift in the appropriate mode, and
9492 then extend or truncate the result to requested mode.
9494 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9496 * gengtype.c (main): Handle double_int type.
9497 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9498 * double-int.c: New file.
9499 * double-int.h: New file.
9500 * system.h: Include doubleint.h.
9501 * Makefile.in (SYSTEM_H): Include double-int.h.
9502 (double-int.o): Add.
9504 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9507 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9510 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9512 * tree-vrp.c (remove_range_assertions): Do not update statements
9515 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9517 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9519 * gcse.c (rest_of_handle_gcse): Ditto.
9520 * except.c (gate_handle_eh): Ditto.
9521 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9522 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9524 2006-03-02 Eric Christopher <echristo@apple.com>
9526 * config/i386/i386.c (machopic_output_stub): Add indirection to
9529 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9533 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9535 Sun Niagara specific optimizations.
9536 * config.gcc: Recognize niagara as target.
9537 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9538 (TARGET_CPU_niagara): Define.
9539 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9540 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9541 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9542 (ASM_CPU_SPEC): Likewise.
9543 (PROCESSOR_NIAGARA): New enum entry.
9544 (REGISTER_MOVE_COST): Handle Niagara.
9545 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9546 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9547 (sparc_override_options): Recognize "niagara", set appropriate
9548 default MASK_* values for it, and align functions to 32-bytes
9549 by default just like ULTRASPARC/ULTRASPARC3.
9550 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9551 (sparc64_initialize_trampoline): Likewise.
9552 (sparc_use_sched_lookahead): Use zero for niagara.
9553 (sparc_issue_rate): Use one for niagara.
9554 * config/sparc/niagara.md: New file.
9555 * config/sparc/sparc.md: Include it.
9556 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9557 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9558 when default cpu is niagara.
9559 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9560 (ASM_CPU_SPEC): Likewise.
9561 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9562 when default cpu is niagara.
9563 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9564 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9565 just like v9/ultrasparc/ultrasparc3.
9566 * doc/invoke.texi: Add documentation for "niagara" and improve
9567 existing documentation for ultrasparc variants.
9569 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9571 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9573 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9575 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9576 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9577 and say that only one is needed.
9578 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9579 * target.h (have_switchable_bss_sections): New hook.
9580 * explow.c (use_anchored_address): Check that the symbol is in a block.
9581 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9582 (bss_noswitch_section): New variables.
9583 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9584 (get_noswitch_section): New function.
9585 (get_block_for_section): Allow SECT to be null.
9586 (unlikely_text_section_p): Use SECTION_STYLE.
9587 (bss_initializer_p): New function.
9588 (get_variable_section): Move earlier in file. Take a new argument,
9589 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9590 Return one of the new *_sections in such cases.
9591 (get_block_for_decl): New function, extracting some logic from
9592 use_blocks_for_decl_p.
9593 (change_symbol_section): Remove in favor of...
9594 (change_symbol_block): ...this new function.
9595 (use_blocks_for_decl_p): Remove checks now performed by
9597 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9598 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9599 (emit_local, emit_bss, emit_common): ...these new functions.
9600 Return true if the alignment was honored.
9601 (emit_tls_common): New function.
9602 (asm_emit_uninitialised): Delete.
9603 (assemble_variable_noswitch): New function, split out from...
9604 (assemble_variable): ...here. Don't make decisions about common
9605 variables here. Globalize all public decls that go into non-common
9606 sections. Check whether SYMBOL_REF_BLOCK is null.
9607 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9608 (output_constant_pool): Likewise.
9609 (init_varasm_once): Initialize the new section variables.
9610 (have_global_bss_p): New function.
9611 (categorize_decl_for_section): Use bss_initializer_p.
9612 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9613 (place_block_symbol): Assert that the symbol must be in a block.
9614 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9615 (TARGET_INITIALIZER): Include it.
9616 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9617 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9618 (SECTION_MACH_DEP): Bump by two.
9619 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9620 (unnamed_section): Mention SECTION_UNNAMED in comment.
9621 (named_section): Likewise SECTION_NAMED.
9622 (noswitch_section_callback): New type.
9623 (noswitch_section): New structure.
9624 (section): Add a noswitch_section alternative.
9625 (SECTION_STYLE): New macro.
9626 (tls_comm_section, comm_section, lcomm_section): Declare.
9627 (bss_noswitch_section, have_global_bss_p): Declare.
9628 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9629 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9631 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9632 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9635 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9637 * tree-vrp.c (execute_vrp): Return value.
9638 * regrename.c (rest_of_handle_regrename): Ditto.
9639 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9640 * tree-complex.c (tree_lower_complex): Ditto.
9641 (tree_lower_complex_O0): Ditto.
9642 * tracer.c (rest_of_handle_tracer): Ditto.
9643 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9644 * postreload.c (rest_of_handle_postreload): Ditto.
9645 * tree-tailcall.c (execute_tail_recursion): Ditto.
9646 (execute_tail_calls): Ditto.
9647 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9648 * tree.h (init_function_for_compilation): Ditto.
9649 * ipa-cp.c (ipcp_driver): Ditto.
9650 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9651 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9652 * final.c (compute_alignments): Ditto.
9653 (rest_of_handle_final): Ditto.
9654 (rest_of_handle_shorten_branches): Ditto.
9655 (rest_of_clean_state): Ditto.
9656 * omp-low.c (execute_expand_omp): Ditto.
9657 (execute_lower_omp): Ditto.
9658 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9659 * ipa-reference.c (static_execute): Ditto.
9660 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9661 * reorg.c (rest_of_handle_delay_slots): Ditto.
9662 (rest_of_handle_machine_reorg): Ditto.
9663 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9664 * flow.c (recompute_reg_usage): Ditto.
9665 (rest_of_handle_remove_death_notes): Ditto.
9666 (rest_of_handle_life): Ditto.
9667 (rest_of_handle_flow2): Ditto.
9668 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9669 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9670 (do_ssa_store_ccp): Ditto.
9671 (execute_fold_all_builtins): Ditto.
9672 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9673 * modulo-sched.c (rest_of_handle_sms): Ditto.
9674 * ipa-pure-const.c (static_execute): Ditto.
9675 * cse.c (rest_of_handle_cse): Ditto.
9676 (rest_of_handle_cse2): Ditto.
9677 * web.c (rest_of_handle_web): Ditto.
9678 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9679 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9680 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9681 * tree-nrv.c (tree_nrv): Ditto.
9682 (execute_return_slot_opt): Ditto.
9683 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9684 (create_structure_vars): Ditto.
9685 * loop-init.c (rtl_loop_init): Ditto.
9686 (rtl_loop_done): Ditto.
9687 (rtl_move_loop_invariants): Ditto.
9688 (rtl_unswitch): Ditto.
9689 (rtl_unroll_and_peel_loops): Ditto.
9690 (rtl_doloop): Ditto.
9691 * gimple-low.c (lower_function_body): Ditto.
9692 (mark_used_blocks): Ditto.
9693 * tree-ssa-sink.c (execute_sink_code): Ditto.
9694 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9695 (cgraph_early_inlining): Ditto.
9696 * global.c (rest_of_handle_global_alloc): Ditto.
9697 * jump.c (cleanup_barriers): Ditto.
9698 (purge_line_number_notes): Ditto.
9699 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9700 (rest_of_handle_if_after_reload): Ditto.
9701 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9702 (tree_ssa_loop_im): Ditto.
9703 (tree_ssa_loop_unswitch): Ditto.
9704 (tree_vectorize): Ditto.
9705 (tree_linear_transform): Ditto.
9706 (tree_ssa_loop_ivcanon): Ditto.
9707 (tree_ssa_empty_loop): Ditto.
9708 (tree_ssa_loop_bounds): Ditto.
9709 (tree_complete_unroll): Ditto.
9710 (tree_ssa_loop_prefetch): Ditto.
9711 (tree_ssa_loop_ivopts): Ditto.
9712 (tree_ssa_loop_done): Ditto.
9713 * predict.c (tree_estimate_probability): Ditto.
9714 * recog.c (split_all_insns_noflow): Ditto.
9715 (rest_of_handle_peephole2): Ditto.
9716 (rest_of_handle_split_all_insns): Ditto.
9717 * tree-eh.c (lower_eh_constructs): Ditto.
9718 * regmove.c (rest_of_handle_regmove): Ditto.
9719 (rest_of_handle_stack_adjustments): Ditto.
9720 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9721 * function.c (instantiate_virtual_regs): Ditto.
9722 (init_function_for_compilation): Ditto.
9723 (rest_of_handle_check_leaf_regs): Ditto.
9724 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9725 (rest_of_handle_gcse): Ditto.
9726 * ipa-type-escape.c (type_escape_execute): Ditto.
9727 * alias.c (rest_of_handle_cfg): Ditto.
9728 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9729 * profile.c (rest_of_handle_branch_prob): Ditto.
9730 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9731 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9732 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9733 * tree-dfa.c (find_referenced_vars): Ditto.
9734 * except.c (set_nothrow_function_flags): Ditto.
9735 (convert_to_eh_region_ranges): Ditto.
9736 (rest_of_handle_eh): Ditto.
9737 * emit-rtl.c (unshare_all_rtl): Ditto.
9738 (remove_unnecessary_notes): Ditto.
9739 * except.h (set_nothrow_function_flags): Ditto.
9740 (convert_to_eh_region_ranges): Ditto.
9741 * cfgexpand.c (tree_expand_cfg): Ditto.
9742 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9743 * tree-ssa-pre.c (do_pre): Ditto.
9744 (execute_fre): Ditto.
9745 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9746 (rest_of_handle_jump2): Ditto.
9747 * tree-sra.c (tree_sra): Ditto.
9748 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9749 (execute_mudflap_function_decls): Ditto.
9750 * tree-ssa-copy.c (do_copy_prop): Ditto.
9751 (do_store_copy_prop): Ditto.
9752 * ipa-prop.h (ipcp_driver): Ditto.
9753 * cfglayout.c (insn_locators_initialize): Ditto.
9754 * tree-ssa-forwprop.c
9755 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9756 * cfglayout.h (insn_locators_initialize): Ditto.
9757 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9758 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9759 (execute_late_warn_uninitialized): Ditto.
9760 * rtl.h (cleanup_barriers): Ditto.
9761 (split_all_insns_noflow): Ditto.
9762 (purge_line_number_notes): Ditto.
9763 (unshare_all_rtl): Ditto.
9764 (remove_unnecessary_notes): Ditto.
9765 (recompute_reg_usage): Ditto.
9766 (variable_tracking_main): Ditto.
9767 * integrate.c (emit_initial_value_sets): Ditto.
9768 * integrate.h (emit_initial_value_sets): Ditto.
9769 * tree-optimize.c (execute_free_datastructures): Ditto
9770 (execute_free_cfg_annotations): Ditto.
9771 (execute_fixup_cfg): Ditto.
9772 (execute_cleanup_cfg_pre_ipa): Ditto.
9773 (execute_cleanup_cfg_post_optimizing): Ditto.
9774 (execute_init_datastructures): Ditto.
9775 * tree-object-size.c (compute_object_sizes): Ditto.
9776 * combine.c (rest_of_handle_combine): Ditto.
9777 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9778 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9779 (rest_of_handle_reorder_blocks): Ditto.
9780 (rest_of_handle_partition_blocks): Ditto.
9781 * var-tracking.c (variable_tracking_main): Ditto.
9782 * tree-profile.c (tree_profiling): Ditto.
9783 * tree-vect-generic.c (expand_vector_operations): Ditto.
9784 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9785 * sched-rgn.c (rest_of_handle_sched): Ditto.
9786 (rest_of_handle_sched2): Ditto.
9787 * basic-block.h (free_bb_insn): Ditto.
9788 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9789 * tree-cfg.c (execute_build_cfg): Ditto.
9790 (remove_useless_stmts): Ditto.
9791 (split_critical_edges): Ditto.
9792 (execute_warn_function_return): Ditto.
9793 (execute_warn_function_noreturn): Ditto.
9794 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9795 * cfgrtl.c (free_bb_for_insn): Ditto.
9796 * passes.c (execute_one_pass): Run additional
9797 todos returned by execute function.
9798 * tree-pass.h (struct tree_opt_pass): Make execute
9801 2006-03-02 Richard Guenther <rguenther@suse.de>
9803 * tree-ssa-alias.c (find_used_portions): Consider taking
9804 the address as making the variable not write-only.
9806 2006-03-02 Nick Clifton <nickc@redhat.com>
9808 * config.gcc (default_use_cxa_atexit): Extend the description of
9809 this configure variable. Set its default value to "yes" for
9810 Linux, NetBSD and ELF targets on the assumption that they will
9811 use C libraries with the __cxa_atexit function.
9813 2006-03-02 Ben Elliston <bje@au.ibm.com>
9815 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9816 parameter as unused to suppress a build warning.
9818 2006-03-02 Ben Elliston <bje@au.ibm.com>
9820 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9823 2006-03-01 Roger Sayle <roger@eyesopen.com>
9826 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9827 declared name, the weak reference name, and the typeof name.
9828 (__gthrw): Avoid expanding the declared name suffix.
9829 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9831 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9833 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9835 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9836 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9837 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9838 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9839 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9840 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9841 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9842 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9843 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9844 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9845 (DW_END_default, DW_END_big, DW_END_little): New.
9846 (DW_END_lo_user, DW_END_hi_user): Define.
9847 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9848 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9849 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9852 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9854 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9856 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9858 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9860 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9862 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9863 to 'symbol_mem_tag'.
9865 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9868 2006-03-01 Roger Sayle <roger@eyesopen.com>
9870 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9872 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9875 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9876 MACHO_DYNAMIC_NO_PIC_P.
9877 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9879 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9882 * config/darwin-protos.h (darwin_asm_output_anchor):
9884 * config/darwin-sections.def (cstring_section):
9885 Add SECTION_MERGE to the flags.
9886 (literal4_section): Likewise.
9887 (literal8_section): Likewise.
9888 (objc_selector_refs_section): Likewise.
9889 (objc_cls_refs_section): Likewise.
9890 * config/darwin.c (darwin_asm_output_anchor): New
9892 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9894 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9896 Fix PR tree-optimization/26443
9897 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9898 to todo and PROP_tmt_usage to properties_destroyed.
9899 * tree-ssa-ccp.c (pass_ccp): Ditto.
9900 (pass_store_ccp): Ditto.
9901 * tree-ssa-dom.c (pass_dominator): Ditto.
9903 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9905 * tree-ssa-operands.c: Cleanup whitespace.
9906 (get_asm_expr_operands): Move before first invocation.
9907 (get_indirect_ref_operands): Likewise.
9908 (get_tmr_operands): Likewise.
9909 (get_call_expr_operands): Likewise.
9910 (append_def): Likewise.
9911 (append_use): Likewise.
9912 (append_v_may_def): Likewise.
9913 (append_v_must_def): Likewise.
9914 (add_call_clobber_ops): Likewise.
9915 (add_call_read_ops): Likewise.
9916 (add_stmt_operand): Likewise.
9917 (add_virtual_operand): Likewise.
9918 (build_ssa_operands): Likewise.
9920 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9925 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9926 with a call expr to ...
9927 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9929 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9931 * tree-vrp.c (extract_range_from_assert): Remove special
9932 handling for types with super-types.
9934 2006-03-01 Ben Elliston <bje@au.ibm.com>
9936 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9937 and powerpc64-*-linux* configurations.
9938 * config/t-dfprules: New file.
9940 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9941 Compile dfp-bit.c from the source directory using -DWIDTH and
9942 $DFP_CFLAGS to control the compilation of that file, rather than
9943 generating width-specific versions in the build directory.
9944 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9945 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9947 2006-02-28 Zack Weinberg <zackw@panix.com>
9949 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9952 2006-02-28 Eric Christopher <echristo@apple.com>
9954 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9955 Set up IN_LIBGCC definition of TARGET_64BIT.
9956 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9958 2006-02-28 Roger Sayle <roger@eyesopen.com>
9961 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9962 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9963 cases via the construction of "expr != 0".
9965 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9967 * alias.c (alias_invariant, alias_invariant_size): Remove.
9968 (record_base_value): Remove.
9969 (memrefs_conflict_p): Don't look at alias_invariant.
9970 (end_alias_analysis): Don't free it.
9971 * alias.h (record_base_value): Remove prototype.
9973 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9974 Adam Nemet <anemet@caviumnetworks.com>
9976 * rtl.h (truncated_to_mode): Declare it.
9977 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9978 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9979 (RTL_HOOKS_INITIALIZER): Include it.
9980 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9981 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9982 reg_truncated_to_mode.
9983 * rtlanal.c (truncated_to_mode): Define it.
9984 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9986 2006-02-28 Jeff Law <law@redhat.com>
9988 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9989 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9990 the range allowed by TYPE_PRECISION.
9992 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9994 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9996 PR tree-optimization/26419
9997 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10000 2006-02-27 Zack Weinberg <zackw@panix.com>
10002 * doc/md.texi: Fix typo in previous change.
10004 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10008 2006-02-27 Zack Weinberg <zackw@panix.com>
10010 * rtl.def (define_constraint, define_register_constraint)
10011 (define_memory_constraint, define_address_constraint): New MD forms.
10012 * gensupport.c (process_rtx): Put define_constraint etc on the
10014 * genpreds.c (process_define_predicate): Adjust comment. Validate
10015 the name, and call validate_exp to validate the expression.
10016 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10017 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10018 all callers changed.
10019 (validate_exp, needs_variable, struct constraint_data)
10020 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10021 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10022 (const_dbl_constraints, constraint_max_namelen)
10023 (have_register_constraints, have_memory_constraints)
10024 (have_address_constraints, have_address_constraints)
10025 (have_extra_constraints, have_const_int_constraints)
10026 (have_const_dbl_constraints, mangle, add_constraint)
10027 (process_define_constraint, process_define_register_constraint)
10028 (write_enum_constraint_num, write_lookup_constraint)
10029 (write_insn_constraint_len, write_regclass_for_constraint)
10030 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10031 (write_insn_extra_memory_constraint)
10032 (write_insn_extra_address_constraint)
10033 (write_satisfies_constraint_fns): New.
10034 (write_tm_preds_h): If we have new-style constraint definitions,
10035 prototype the functions generated from them, and define the
10036 old constraint interface (still used by generic code) in terms of
10038 (write_insn_preds_c): If we have new-style constraint definitions,
10039 generate all relevant functions from those definitions.
10040 (main): Handle define_constraint etc.
10041 * genoutput.c (struct constraint_data, indep_constraints)
10042 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10043 (mdep_constraint_len): New data structures and functions, defined
10044 #ifdef USE_MD_CONSTRAINTS.
10045 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10046 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10047 use new logic to validate operand constraints against constraint
10049 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10051 * defaults.h: If none of the old-style constraint macros are
10052 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10053 old-style macros; and poison REG_CLASS_FROM_LETTER,
10054 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10056 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10057 * doc/md.texi: Document new constraint-definition mechanism and the
10058 C interface it provides. Remove references to old mechanism
10059 elsewhere in the document.
10060 (Machine Constraints): Use pathnames relative to gcc directory,
10061 i.e. config/ARCH/FILE. Change i386 section to refer to
10062 config/i386/predicates.md; update that section to match docstrings.
10063 * doc/tm.texi: Move all documentation of the old constraint-
10064 definition macros to their own section, clearly mark as obsolete.
10066 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10067 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10069 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10070 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10071 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10072 constraint strings.
10073 (splits and peepholes): Use satisfies_constraint_*.
10074 * config/i386/i386.c (memory_address_length)
10075 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10077 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10079 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10080 scalar operation to be put back into the loop.
10082 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10085 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10086 (extract_cie_info): Handle S flag in augmentation string.
10087 (execute_cfa_program): If context->signal_frame, execute also
10088 fs->pc == context->ra instructions.
10089 (uw_frame_state_for): If context->signal_frame, don't subtract one
10090 from context->ra to find FDE.
10091 (uw_update_context_1): Set context->signal_frame to
10093 (_Unwind_GetIPInfo): New function.
10094 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10095 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10097 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10098 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10099 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10100 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10101 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10102 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10103 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10104 x86_64_fallback_frame_state): Set fs->signal_frame.
10105 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10106 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10107 (frob_update_context): Likewise. Workaround missing S flag in
10108 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10109 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10110 Remove the psw_addr + 1 hack.
10112 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10114 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10115 with aggregates here.
10116 (find_func_aliases): Remove code for &<aggregate> from here.
10118 2006-02-26 Roger Sayle <roger@eyesopen.com>
10120 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10121 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10122 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10123 as (X & C) ne/eq 0.
10125 2006-02-26 Roger Sayle <roger@eyesopen.com>
10127 PR middle-end/19983
10128 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10130 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10132 * opts.c (decode_options): Do not handle flag_strength_reduce.
10133 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10134 and OPT_fstrength_reduce.
10135 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10136 flag_prefetch_loop_arrays for being nonzero.
10137 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10139 (fprefetch-loop-arrays-rtl): Removed.
10140 (flag_prefetch_loop_arrays): Do not specify the value.
10142 * doc/passes.texi: Update documentation of loop optimizer
10144 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10145 -frerun-loop-opt): Remove.
10147 2006-02-26 Richard Guenther <rguenther@suse.de>
10149 PR tree-optimization/26421
10150 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10151 in function calls that are ADDR_EXPRs as using the whole structure.
10153 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10155 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10156 * tree-pass.h (pass_loop_optimize): Remove.
10157 * passes.c (pass_loop_optimize): Never run it.
10158 * toplev.c (backend_init): Don't call init_loop.
10159 * opts.c (flag_loop_optimize_set): Remove.
10160 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10161 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10162 the old RTL loop optimizer when profiling enabled.
10163 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10164 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10165 pre-headers for the sake of the old RTL loop optimizer.
10166 * Makefile.in: Remove all references to loop.o.
10168 * doc/invoke.texi: Remove all references to -floop-optimize
10169 and -frerun-loop-opt.
10171 2006-02-26 Zack Weinberg <zackw@panix.com>
10173 * doc/md.texi (Machine Constraints): Refer to all files with paths
10174 relative to gcc directory (i.e. config/CPU/file). Add missing
10175 @table @code ... @end table to M32C subsection.
10177 2006-02-26 Roger Sayle <roger@eyesopen.com>
10179 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10181 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10183 2006-02-26 Roger Sayle <roger@eyesopen.com>
10184 James A. Morrison <phython@gcc.gnu.org>
10186 PR middle-end/21137
10187 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10188 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10189 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10190 signedness of the shift operation.
10192 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10194 PR tree-optimization/26359
10195 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10197 2006-02-25 Roger Sayle <roger@eyesopen.com>
10199 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10200 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10201 as X == 0, and some symmetry related transformations.
10202 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10204 2006-02-25 Roger Sayle <roger@eyesopen.com>
10206 PR middle-end/23673
10207 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10208 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10209 symmetry related transformations. Fold (X^C1) == C2 as
10212 2006-02-25 Juergen Weigert <jw@suse.de>
10213 Richard Guenther <rguenther@suse.de>
10215 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10217 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10219 * combine.c (gen_lowpart_or_truncate): Call
10220 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10222 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10224 * doc/invoke.texi: Move -fopenmp description to "Options for
10226 Remove reference to -lgomp.
10228 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10230 * doc/install.texi: Require GNU tar version 1.14.
10232 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10234 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10235 * doc/invoke.texi (C++ Dialect Options): Document
10236 -fno-use-cxa-get-exception-ptr.
10237 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10238 * configure: Regenerate.
10239 * c.opt (fuse-cxa-get-exception-ptr): New.
10240 * c-opts.c (c_common_handle_option): Handle
10241 OPT_fuse_cxa_get_exception_ptr.
10242 * c-common.c (flag_use_cxa_atexit): Update documentation.
10243 (flag_use_cxa_get_exception_ptr): New.
10244 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10245 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10247 (C_COMMON_OVERRIDE_OPTIONS): New.
10249 2006-02-24 Roger Sayle <roger@eyesopen.com>
10251 PR middle-end/24952
10252 * combine.c (try_combine): Explicitly check whether GET_CODE is
10253 a SET or a CLOBBER, instead on checking that it isn't a USE.
10255 2006-02-24 Roger Sayle <roger@eyesopen.com>
10257 * fold-const.c (fold_comparison): New subroutine of fold_binary
10258 containing transformations common to both the equality and
10259 ordering relational operators, factored out of fold_binary.
10260 (fold_binary): Separate out the equality operators (EQ_EXPR
10261 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10262 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10263 transformations common to both.
10264 (fold_div_compare): Fix latent bugs in the previously unreachable
10265 LT_EXPR and GE_EXPR cases.
10267 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10269 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10270 decl libname for clog to __clog on AIX.
10272 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10274 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10277 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10278 output traceback table for thunks. Localise rs6000_stack_info call.
10280 2006-02-23 Roger Sayle <roger@eyesopen.com>
10281 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10283 * gthr-posix.h (__gthrw): Fix typo in comment.
10285 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10287 * doc/cpp.texi (Character sets): Document that we do support
10288 input files to be in any character set.
10290 2006-02-23 Jeff Law <law@redhat.com>
10292 * tree.h (PHI_ARG_NONZERO): Remove.
10293 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10294 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10295 node to the new node.
10297 PR tree-optimization/26425
10298 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10299 min/max, then assume its varying.
10301 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10303 PR rtl-optimization/26316
10304 * rtlanal.c (enum may_trap_p_flags): New.
10305 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10306 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10307 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10308 (may_trap_after_code_motion_p): New function.
10309 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10310 (find_invariant_insn): Use may_trap_after_code_motion_p.
10311 * rtl.h (may_trap_after_code_motion_p): Declare.
10313 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10315 * emit-rtl.c (immed_double_const): Cleanup.
10317 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10319 Fix PR tree-optimization/26376
10320 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10323 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10325 PR middle-end/26412
10326 * gimplify.c (omp_add_variable): Guard variable size decl test with
10327 DECL_SIZE (decl) check.
10329 2006-02-23 Richard Guenther <rguenther@suse.de>
10331 PR middle-end/26439
10332 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10333 like aggregate types.
10335 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10337 * configure.ac: Add --with{,out}-long-double-128 configure option.
10338 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10339 * configure: Rebuilt.
10340 * config.in: Rebuilt.
10341 * doc/install.texi (Options specification): Document
10342 --with-long-double-128.
10344 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10345 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10346 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10347 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10349 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10351 * config/s390/s390.c (override_options): Handle
10352 TARGET_DEFAULT_LONG_DOUBLE_128.
10354 * config/alpha/alpha.c (override_options): Handle
10355 TARGET_DEFAULT_LONG_DOUBLE_128.
10357 * config/sparc/sparc.c (sparc_override_options): Handle
10358 TARGET_DEFAULT_LONG_DOUBLE_128.
10360 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10362 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10363 (real-install-headers-tar, real-install-headers-cpio)
10364 (real-install-headers-cp): New targets.
10366 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10368 * tree.h (variable_section): Delete.
10369 * varasm.c (variable_section): Delete.
10371 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10373 * install.texi: Add notes on install.texi2html.
10374 (Building in parallel): Do not use footnotes.
10376 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10379 * doc/install.texi (Configuration): Document --disable-libgomp.
10381 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10383 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10385 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10387 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10388 (vec_extractv2df_0_sse): New.
10390 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10392 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10393 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10394 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10395 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10396 to the result of the expression.
10397 (def_cfa_1): Adjust.
10398 (frame_pointer_cfa_offset): Rename to...
10399 (frame_pointer_fb_offset): ... this. Adjust all uses.
10400 (convert_cfa_to_loc_list): Rename to...
10401 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10402 Pass it on to build_cfa_loc.
10403 (compute_frame_pointer_to_cfa_displacement): Rename to...
10404 (compute_frame_pointer_to_fb_displacement): ... this. New
10405 offset parameter. Use it in computation.
10406 (gen_subprogram_die): Compute cfa_fb_offset with the new
10407 macro, and use it to compute the fb loc list and the
10410 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10412 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10413 replaced with register_operand.
10414 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10415 non-DREG is expensive.
10416 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10417 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10420 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10422 * doc/install.texi2html: Use set -e.
10424 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10426 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10427 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10428 * doc/invoke.texi (-fshared-data): Delete.
10429 * common.opt (fshared-data): Delete.
10430 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10431 (assemble_static_space): Remove #if 0 code.
10432 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10433 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10434 * config/cris/cris.h: Remove FIXME.
10436 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10438 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10441 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10443 PR middle-end/26379
10444 * combine.c (simplify_shift_const_1): Disable nested shifts
10445 optimization for vector shifts.
10447 2006-02-20 Roger Sayle <roger@eyesopen.com>
10449 PR tree-optimization/26361
10450 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10451 of unsigned integer types.
10453 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10455 * tree-chrec.c (eq_evolutions_p): New.
10456 * tree-chrec.h (eq_evolutions_p): Declared.
10457 * tree-data-ref.c: Fix formatting.
10458 (datadep_stats, dependence_stats): New.
10460 (print_direction_vector): New.
10461 (dump_data_dependence_relation): Use print_direction_vector.
10462 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10463 (compute_subscript_distance): Static.
10464 (initialize_data_dependence_relation): Static. Get the number
10465 of loops surrounding the references from the callers, and initialize
10466 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10467 base_object_differ_p analyzers.
10468 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10469 compute_overlap_steps_for_affine_1_2,
10470 analyze_subscript_affine_affine): Count the classified dependences.
10471 Print a message when a test failed.
10472 (can_use_analyze_subscript_affine_affine): New.
10473 (analyze_siv_subscript): Compute the data dependences on symbolic
10474 scevs that verify can_use_analyze_subscript_affine_affine.
10475 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10476 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10477 Handle symbolic scevs.
10478 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10480 (subscript_dependence_tester): Moved...
10481 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10482 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10483 DDR_SIZE_VECT instead of getting it in parameter.
10484 (subscript_dependence_tester): ... here. Take as a parameter
10485 loop_nest_depth. Call build_classic_dist_vector and
10486 build_classic_dir_vector.
10487 (compute_affine_dependence): Update subscript_dependence_tester
10488 parameters. Update datadep_stats counters. Call
10489 compute_subscript_distance.
10490 (compute_self_dependence): Save the dist and dir vectors. Call
10491 compute_subscript_distance.
10492 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10493 (compute_all_dependences): Reorder parameters as they were before
10494 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10495 compute_subscript_distance. Update the use of
10496 compute_affine_dependence and initialize_data_dependence_relation.
10497 (find_data_references_in_loop): Handle COMPONENT_REF.
10498 (compute_data_dependences_for_loop): Initialize dependence_stats.
10499 Don't call build_classic_dist_vector and build_classic_dir_vector.
10500 Update the parameters of initialize_data_dependence_relation and
10501 compute_all_dependences. Print the statistics from datadep_stats.
10502 (analyze_all_data_dependences): Static. Not used until the pass for
10503 checking the data dependences is contributed.
10504 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10505 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10506 (initialize_data_dependence_relation, compute_affine_dependence,
10507 analyze_all_data_dependences, compute_subscript_distance): Removed.
10508 (print_direction_vector): New.
10509 * lambda.h (gcd): ... here.
10510 (lambda_vector_gcd): Moved here from gcd_vector.
10511 * lambda-code.c (gcd, gcd_vector): Removed.
10512 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10513 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10515 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10517 * ipa-type-escape.c: Tidy some comments and white space.
10518 * tree-ssa-operands.c: Likewise.
10520 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10523 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10524 (dump_decl_name): Do not walk the decl tree chains.
10525 * tree-pass.h (TDF_CHAIN): Remove.
10527 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10529 * Makefile.in (C): Remove
10531 (.PHONY): Remove C and PROTO
10533 2006-02-20 Roger Sayle <roger@eyesopen.com>
10535 PR middle-end/26236
10536 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10537 deprecated CHAR_TYPE tree code.
10539 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10541 * configure.ac (target_list): Add install-info, dvi, html.
10542 * configure: Regenerate.
10544 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10545 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10546 treelang/Make-lang.in: Do not use double-colon rules.
10548 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10550 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10551 (TMT_USED_ALONE): New macro.
10552 * tree-pass.h (PROP_tmt_usage): New property.
10553 (TODO_update_tmt_usage): New todo.
10554 * tree-ssa-alias.c (updating_used_alone): New variable.
10555 (recalculate_used_alone): New function.
10556 (compute_may_aliases): Set updating_used_alone, call
10557 recalculate_used_alone.
10558 * tree-sra.c (pass_sra): Note that this pass destroys
10559 PROP_tmt_usage, and add TODO_update_tmt_usage.
10560 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10561 * tree-flow.h (updating_used_alone): Prototype.
10562 (recalculate_used_alone): Ditto.
10563 * passes.c (execute_todo): Add code to set updating_used_alone,
10564 and call recalculate.
10565 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10566 for clobber if used alone, and add assert to verify used_alone
10569 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10571 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10572 for non tls symbols added.
10573 (legitimize_address): Do nothing for PLUS expressions if one of the
10574 addends is a tls symbol reference.
10576 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10580 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10582 * Makefile.in (BOOTSTRAPPING): New.
10583 (quickstrap): New definition if BOOTSTRAPPING=yes.
10585 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10586 * configure.ac: Substitute all_selected_languages with the languages
10587 that were configured. For all the other variables except
10588 lang_specs_files, include all the languages in the tree.
10589 * configure: Regenerate.
10591 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10592 if there is one. Run the commands to run fixincludes in the same
10595 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10596 * doc/install.texi: Document exact conventions for searching target tools.
10597 Document --with-build-time-tools. Document toplevel bootstrap. Document
10598 something more about building an Ada cross-compiler. Don't list GNU Make
10599 requirements which affect all platforms.
10601 2006-02-19 Roger Sayle <roger@eyesopen.com>
10603 PR middle-end/19543
10604 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10605 only equivalent if the have both the same mode and precision.
10607 2006-02-20 Ben Elliston <bje@au.ibm.com>
10609 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10611 2006-02-19 Roger Sayle <roger@eyesopen.com>
10612 Steven Bosscher <stevenb.gcc@gmail.com>
10614 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10615 constant pool references to identify stack mode constants.
10616 * rtlanal.c (constant_pool_constant_p): New predicate to check
10617 whether operand is a floating point constant in the pool.
10618 * rtl.h (constant_pool_constant_p): Prototype here.
10619 * loop.c (scan_loop): Avoid hoisting constants from the constant
10620 pool on STACK_REGS targets.
10621 (load_mems): Likewise.
10622 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10623 loads into x87 registers expensive in terms of register pressure.
10625 2006-02-19 Roger Sayle <roger@eyesopen.com>
10627 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10628 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10630 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10632 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10633 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10635 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10637 * doc/invoke.texi: Document -fipa-pta.
10638 * common.opt: Add ipa-pta option.
10639 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10640 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10641 (do_ds_constraint): Ditto.
10642 (get_constraint_for): Only add to referenced_vars if
10643 referenced_vars exists.
10644 (insert_into_field_list): Rewrite to do this unsorted.
10645 (insert_into_field_list_sorted): Rename old insert_into_field_list
10647 (create_function_info_for): Use insert_into_field_list_sorted.
10648 (create_variable_info_for): Rewrite so it uses unsorted version,
10649 since the field list is sorted.
10650 (intra_create_variable_infos): Only add to referenced_vars if
10651 referenced_vars exists.
10652 (ipa_pta_execute): Init heapvars, and delete when done.
10653 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10655 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10657 * doc/install.texi: Add missing `@samp'.
10659 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10661 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10664 2006-02-18 Mark Wielaard <mark@klomp.org>
10666 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10667 who added new 4.1 features, bug fixes and integration support.
10669 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10672 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10673 MEM for ABI_V4 pic.
10675 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10677 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10678 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10679 (copy_insn_1): Likewise. Don't copy each field individually.
10681 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10683 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10684 * rtl.c (rtx_size): Rename variable to...
10685 (rtx_code_size): ...this.
10686 (rtx_size): New function.
10687 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10688 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10690 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10691 * rtl.h (rtx_code_size): New variable.
10692 (rtx_size): Change from a variable to a function.
10693 (RTX_SIZE): Rename to...
10694 (RTX_CODE_SIZE): ...this.
10697 PR tree-optimization/17106
10698 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10699 (Anchored Addresses): New section.
10700 * doc/invoke.texi (-fsection-anchors): Document.
10701 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10702 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10703 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10704 * hooks.c (hook_bool_mode_rtx_false): New function.
10705 * hooks.h (hook_bool_mode_rtx_false): Declare.
10706 * gengtype.c (create_optional_field): New function.
10707 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10708 SYMBOL_REF_IN_BLOCK_P is true.
10709 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10710 (min_anchor_offset, max_anchor_offset): Likewise.
10711 (use_anchors_for_symbol_p): New hook.
10712 * toplev.c (compile_file): Call output_object_blocks.
10713 (target_supports_section_anchors_p): New function.
10714 (process_options): Check that -fsection-anchors is only used on
10715 targets that support it and when -funit-at-a-time is in effect.
10716 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10717 if the decl doesn't have one.
10718 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10719 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10720 of force_const_mem through use_anchored_address.
10721 (expand_expr_constant): New function.
10722 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10723 calling expand_expr for INDIRECT_REF.
10724 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10725 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10726 * expr.h (use_anchored_address): Declare.
10727 * loop-unroll.c: Don't declare rtx vectors here.
10728 * explow.c: Include output.h.
10729 (validize_mem): Call use_anchored_address.
10730 (use_anchored_address): New function.
10731 * common.opt (-fsection-anchors): New switch.
10732 * varasm.c (object_block_htab, anchor_labelno): New variables.
10733 (hash_section, object_block_entry_eq, object_block_entry_hash)
10734 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10735 (use_blocks_for_decl_p, change_symbol_section): New functions.
10736 (get_variable_section): New function, split out from assemble_variable.
10737 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10738 use_blocks_for_decl_p say so. Use change_symbol_section if the
10739 symbol has already been created.
10740 (assemble_variable_contents): New function, split out from...
10741 (assemble_variable): ...here. Don't output any code for
10742 block symbols; just pass them to place_block_symbol.
10743 Use get_variable_section and assemble_variable_contents.
10744 (get_constant_alignment, get_constant_section, get_constant_size): New
10745 functions, split from output_constant_def_contents.
10746 (build_constant_desc): Create a block symbol if use_object_blocks_p
10747 says so. Or into SYMBOL_REF_FLAGS.
10748 (assemble_constant_contents): New function, split from...
10749 (output_constant_def_contents): ...here. Don't output any code
10750 for block symbols; just pass them to place_section_symbol.
10751 Use get_constant_section and get_constant_alignment.
10752 (force_const_mem): Create a block symbol if use_object_blocks_p and
10753 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10754 (output_constant_pool_1): Add an explicit alignment argument.
10755 Don't switch sections here.
10756 (output_constant_pool): Adjust call to output_constant_pool_1.
10757 Switch sections here instead. Don't output anything for block symbols;
10758 just pass them to place_block_symbol.
10759 (init_varasm_once): Initialize object_block_htab.
10760 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10761 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10762 (place_block_symbol, get_section_anchor, output_object_block)
10763 (output_object_block_htab, output_object_blocks): New functions.
10764 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10765 (TARGET_ASM_OUT): Include it.
10766 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10767 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10768 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10769 (TARGET_INITIALIZER): Include them.
10770 * rtl.c (rtl_check_failed_block_symbol): New function.
10771 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10772 (block_symbol, object_block): New structures.
10773 (rtx_def): Add a block_symbol field to the union.
10774 (BLOCK_SYMBOL_CHECK): New macro.
10775 (rtl_check_failed_block_symbol): Declare.
10776 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10777 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10778 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10779 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10780 * output.h (output_section_symbols): Declare.
10781 (object_block): Name structure.
10782 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10783 (default_use_anchors_for_symbol_p): Declare.
10784 * Makefile.in (RTL_BASE_H): Add vec.h.
10785 (explow.o): Depend on output.h.
10786 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10787 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10788 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10789 (rs6000_use_blocks_for_constant_p): New function.
10791 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10793 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10795 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10798 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10801 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10803 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10807 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10809 PR middle-end/26334
10810 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10811 instead of DECL_REGISTER.
10813 2006-02-18 Olivier Hainque <hainque@adacore.com>
10816 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10818 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10821 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10822 * opth-gen.awk: Handle Var and InverseMask together.
10823 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10824 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10825 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10826 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10828 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10829 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10830 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10831 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10832 LINUX_DYNAMIC_LINKER): Define.
10833 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10834 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10836 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10837 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10838 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10840 (TARGET_C99_FUNCTIONS): Don't define.
10841 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10842 GLIBC_DYNAMIC_LINKER.
10843 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10844 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10845 GLIBC_DYNAMIC_LINKER64): Define.
10846 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10847 LINUX_DYNAMIC_LINKER64.
10848 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10850 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10851 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10852 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10853 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10854 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10855 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10856 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10857 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10858 and LINUX_DYNAMIC_LINKER32.
10859 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10860 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10861 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10863 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10865 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10866 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10867 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10868 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10869 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10870 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10871 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10872 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10873 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10874 LINUX_DYNAMIC_LINKER): Define.
10875 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10876 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10877 GLIBC_DYNAMIC_LINKER64): Define.
10878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10879 LINUX_DYNAMIC_LINKER64.
10880 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10881 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10882 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10883 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10884 LINUX_DYNAMIC_LINKER): Define.
10885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10886 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10887 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10888 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10889 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10890 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10891 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10892 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10893 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10894 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10895 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10896 * doc/invoke.texi (-muclibc): Remove caveat about supported
10899 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10901 * doc/cpp.texi (__TIMESTAMP__): Document.
10903 2006-02-17 Roger Sayle <roger@eyesopen.com>
10905 PR middle-end/25600
10906 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10907 C is one less than the width of X (and related transformations).
10908 * simplify-rtx.c (simplify_unary_operation_1): Transform
10909 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10910 depending on STORE_FLAG_VALUE, were C is one less then the
10913 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10915 Fix PR tree-optimization/26341
10916 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10917 about NAME_MEMORY_TAG's.
10919 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10922 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10923 with hardware float support, and software float support. Add fcpy
10924 alternative to hardware patterns. Add alternatives to copy between
10925 general and floating-point registers to the 32-bit pattern.
10926 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10927 secondary reload to load a QI or HI mode constant into a floating
10929 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10930 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10932 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10935 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10937 (load_macho_picbase_di): Likewise.
10939 2006-02-16 Jeff Law <law@redhat.com>
10941 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10942 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10943 (ssa_name_nonzero_p): Likewise.
10944 (get_value_range): Return NULL if VRP is not running.
10945 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10946 VRP routines do not discover a range.
10947 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10948 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10949 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10950 (tree_expr_nonnegative_p): Similarly.
10951 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10952 (restore_nonzero_vars_to_original_value): Remove.
10953 (unsafe_associative_fp_binop): Remove.
10954 (tree_ssa_dominator_optimize): Remove initialization and
10955 finalization of nonzero_vars and nonzero_vars_stack.
10956 (dom_opt_initialize_block): No longer push marker on
10957 nonzero_vars_stack.
10958 (dom_opt_finalize_block): No longer call
10959 restore_nonzero_vars_to_original_value.
10960 (record_equivalences_from_phis): No longer look for
10961 nonzero PHI arguments.
10962 (cprop_into_successor_phis): No longer propagate nonzero
10963 property into PHI arguments. Lose unused argument. Caller
10965 (record_equivalences_from_stmt): No longer record nonzero
10966 values for SSA_NAMEs.
10967 (lookup_avail_expr): No longer use nonzero_vars.
10969 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10970 for sizetype when sizetype is unsigned.
10972 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10974 PR rtl-optimization/25603
10975 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10976 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10977 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10978 with new meaning of SETS.
10980 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10985 * config/linux.opt: New file.
10986 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10987 LINUX_DYNAMIC_LINKER): Define.
10988 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10989 * config.gcc (*-*-linux*): Define extra_options.
10990 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10991 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10992 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10993 GLIBC_DYNAMIC_LINKER.
10994 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10995 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10996 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10997 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10998 * doc/invoke.texi (GNU/Linux Options): New section.
11000 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11002 * config/sparc/sparc.md (setjmp): Rewrite.
11003 (setjmp_32): Delete.
11004 (setjmp_64): Likewise.
11006 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11008 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11011 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11013 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11016 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11018 PR rtl-optimization/26296
11019 * Makefile.in (loop-invariant.c): Add except.h dependency.
11020 * loop-invariant.c: Include except.h.
11021 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11023 2005-02-16 Paul Brook <paul@codesourcery.com>
11025 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11028 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11030 PR rtl-optimization/25636
11031 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11032 when deciding whether an insn is an initializing insn.
11034 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11036 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11037 (tree_code_size): Ditto.
11038 * tree.h (struct tree_memory_tag): Remove parent_var.
11039 (struct tree_struct_field_tag): New.
11042 (union tree_node): Add sft member.
11043 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11045 (create_sft): Add size and offset argument, set SFT_OFFSET and
11047 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11048 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11049 * tree-flow-inline.h (get_subvar_at): Update for
11050 SFT_OFFSET/SFT_SIZE.
11051 (var_can_have_subvars): Ditto.
11052 (overlap_subvar): Ditto.
11053 * print-tree.c (print_node): Print out interesting things for
11055 * tree-flow.h (struct subvar): Remove offset and size members.
11056 * tree-ssa-operands.c (get_expr_operands): Update for
11057 get_indirect_ref_operands changes.
11058 (get_indirect_ref_operands): Call add_virtual_operand instead of
11059 add_stmt_operand. Only recurse on base var if requested.
11060 (access_can_touch_variable): New function.
11061 (add_stmt_operand): Split virtual operand handling into ...
11062 (add_virtual_operand): Here. Add offset, size, and for_clobber
11063 arguments. Prune alias sets.
11064 (add_call_clobber_ops): Call add_virtual_operand.
11066 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11068 PR middle-end/26300
11069 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11071 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11072 than TREE_CODE as index into omp_clause_num_ops array.
11074 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11076 PR rtl-optimization/26184
11077 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11079 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11080 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11081 must_precede, must_follow and tobe_scheduled.
11084 * opts.c (common_handle_option): Free new_option pointer.
11085 * df-core.c (df_analyze): Free postorder pointer.
11087 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11089 * Makefile.in: Fix the examples about the use of stamps
11091 2006-02-15 Michael Matz <matz@suse.de>
11093 PR middle-end/22275
11095 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11096 influenced by maximum_field_alignment or DECL_PACKED.
11097 (update_alignment_for_field): Ditto.
11098 (place_field): Ditto.
11099 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11102 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11104 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11105 (debug_flow_info): Pass it.
11106 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11107 * bb-reorder.c (reorder_basic_blocks): Likewise.
11108 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11109 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11110 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11111 * gcse.c (gcse_main, bypass_jumps): Likewise.
11112 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11113 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11114 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11115 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11116 * rtl.h (dump_flow_info): Adjust prototype.
11117 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11118 * var-tracking.c (variable_tracking_main): Likewise.
11119 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11120 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11123 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11125 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11128 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11130 PR tree-optimization/26209
11131 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11132 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11134 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11136 2006-02-14 Roger Sayle <roger@eyesopen.com>
11138 PR middle-end/23670
11139 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11140 (X,Y) and the corresponding symmetry related transformations.
11141 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11142 (X,Y) and its symmetry related transformations.
11144 2006-02-14 Roger Sayle <roger@eyesopen.com>
11146 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11149 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11151 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11153 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11156 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11157 support COMDAT group.
11158 * configure: Regenerate.
11160 2006-02-14 Roger Sayle <roger@eyesopen.com>
11162 PR middle-end/26279
11163 PR middle-end/26280
11164 PR middle-end/26283
11165 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11167 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11169 Fix PR tree-optimization/26260
11171 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11173 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11174 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11175 * tree-ssa-structalias.c (create_variable_info_for): Use
11176 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11178 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11180 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11182 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11183 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11184 of the ending condition.
11185 * tree-ssa-loop-manip.c: Include params.h.
11186 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11187 tree_unroll_loop): New functions.
11188 * tree-pass.h (pass_loop_prefetch): Declare.
11189 * loop.c (rest_of_handle_loop_optimize): Test for
11190 -fprefetch-loop-arrays-rtl.
11191 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11192 * timevar.def (TV_TREE_PREFETCH): New timevar.
11193 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11194 pass_loop_prefetch): New.
11195 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11196 (cleanup_tree_cfg_loop): Call scev_reset.
11197 * common.opt (fprefetch-loop-arrays-rtl): Add.
11198 * tree-ssa-loop-prefetch.c: New file.
11199 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11200 (new_temp_expr_table): Initialize expr_vars.
11201 (free_temp_expr_table): Cleanup expr_vars.
11202 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11203 expressions from being merged into one.
11204 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11205 (struct tree_niter_desc): Add control, bound and cmp fields.
11206 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11208 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11209 (tree-cfgcleanup.o): Add SCEV_H dependency.
11210 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11211 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11213 2006-02-14 Richard Guenther <rguenther@suse.de>
11215 PR tree-optimization/26258
11216 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11217 in PHI argument processing.
11219 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11221 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11222 new expression in the requested machine mode.
11224 2006-02-13 Roger Sayle <roger@eyesopen.com>
11226 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11227 directly, instead let do_compare_rtx_and_jump handle this for us.
11228 * expr.c (expand_expr_real_1): Likewise.
11229 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11230 before do_jump_by_parts_greater.
11231 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11232 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11234 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11236 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11238 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11240 PR rtl-optimization/26235
11241 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11242 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11245 2006-02-13 Jeff Law <law@redhat.com>
11247 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11250 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11252 PR middle-end/26092
11253 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11254 twice if decl is a builtin. When trying again, call get_callee_fndecl
11255 first to verify it is still a builtin.
11257 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11259 * dwarf2out.c (base_type_die): Don't add AT_name here.
11260 (subrange_type_die): Don't add AT_name here.
11261 (modified_type_die): Rearrange code flow. Do add AT_name here.
11263 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11265 PR rtl-optimization/26247
11266 PR rtl-optimization/26248
11267 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11269 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11271 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11272 * config/fixtfdi.c: Likewise.
11273 * config/fixunstfdi.c: Likewise.
11274 * config/floatditf.c: Likewise.
11276 2006-02-13 Roger Sayle <roger@eyesopen.com>
11278 PR middle-end/24427
11279 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11280 into (X,C2) if C1 is a subset of the bits of C2. Transform
11281 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11283 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11285 2006-02-13 Josh Conner <jconner@apple.com>
11288 * varasm.c (function_section): Check for section name before
11289 calling select_section on targets that define
11290 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11291 unlikely_text_section instead of hot_function_section if
11292 first_function_block_is_cold.
11294 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11296 PR middle-end/25335
11297 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11299 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11301 PR rtl-optimization/26222
11302 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11303 after tree->rtl expansion.
11304 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11305 before passing it to emit_move_insn.
11307 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11309 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11311 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11312 Clarify documentation.
11313 * c-common.h (warn_write_strings): Remove.
11314 * c-common.c (warn_write_strings): Likewise.
11315 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11318 2006-02-12 Roger Sayle <roger@eyesopen.com>
11320 PR middle-end/25724
11321 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11322 (do_jump_parts_zero_rtx): New function renamed from
11323 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11324 (do_jump_parts_equality_rtx): New function split out from
11325 do_jump_parts_equality. Old implementation renamed as above.
11326 Call do_jump_parts_zero_rtx if either operand is zero.
11327 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11328 do all of the heavy lifting.
11329 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11330 calling either do_jump_by_parts_greater_rtx or
11331 do_jump_by_parts_equality_rtx.
11332 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11333 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11334 moved to do_compare_rtx_and_jump, call it directly.
11335 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11336 mode argument. Call do_compare_rtx_and_jump.
11337 (emit_case_nodes): Update calls to do_jump_if_equal.
11339 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11341 PR rtl-optimization/26225
11342 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11344 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11346 PR rtl-optimization/26232
11347 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11349 2006-02-11 Jason Merrill <jason@redhat.com>
11352 * tree-inline.c (declare_return_variable): Just don't use the
11353 modify target if it's a gimple complex reg and the return slot
11356 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11358 * doc/contrib.texi: Update my entry.
11360 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11362 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11364 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11366 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11369 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11371 * doc/invoke.texi (-floop-optimize2): Removed.
11372 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11373 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11374 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11375 * common.opt (floop-optimize2): Removed.
11376 (fmove-loop-invariants): Enabled by default.
11378 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11380 * tree-if-conv.c (combine_blocks): Free the result of
11381 get_loop_exit_edges.
11383 2006-02-10 Jeff Law <law@redhat.com>
11385 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11387 PR tree-optimization/26213
11388 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11389 loop trying to follow SSA_NAME_VALUE chains.
11391 2006-02-10 Richard Guenther <rguenther@suse.de>
11393 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11394 deal with structures that end in implicitly variable sized arrays.
11396 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11398 PR rtl-optimization/24762
11399 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11402 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11404 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11405 (struct ivopts_data): Add regs_used field.
11406 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11407 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11408 instead of loop_data->regs_used;
11409 (free_loop_data): Do not free aux fields for loops.
11410 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11411 and tree_ssa_iv_optimize_finalize.
11413 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11415 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11417 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11420 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11421 computing the effective result type.
11423 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11425 PR inline-asm/16194
11426 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11427 (tree_overlaps_hard_reg_set): Declare.
11428 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11429 type and signature to match function type expected by walk_tree.
11430 (tree_overlaps_hard_reg_set): New function.
11431 (decl_conflicts_with_clobbers_p): Rename to:
11432 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11433 Use tree_overlaps_hard_reg_set. Changed caller.
11434 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11435 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11436 * cris.c (cris_md_asm_clobbers): Likewise.
11438 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11440 * reload1.c (emit_input_reload_insns): Delete code that tries to
11441 inherit using find_equiv_reg.
11443 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11445 * c-common.h (flag_const_strings): Don't declare.
11446 * c-common.c (flag_const_strings): Remove.
11447 * c.opt (fconst_strings): Remove.
11448 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11449 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11450 (c_common_init_options): Don't set flag_const_strings.
11451 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11453 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11455 * arm.md (tlobits_cbranch): New pattern.
11456 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11457 testing a single bit.
11459 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11462 * tree-ssa-pre.c (create_component_ref_by_pieces):
11463 Handle RETURN_DECL like VAR_DECL.
11465 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11467 PR middle-end/26134
11468 * fold-const.c (fold_indirect_ref_1): Fold
11469 "*(foo *)&complexfoo" to "__real__ complexfoo"
11470 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11472 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11474 * tree-flow-inline.h (var_can_have_subvars):
11475 Volatile variables should not have subvariables.
11477 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11480 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11481 multiplying unsigned values.
11484 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11486 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11488 2006-02-08 Jason Merrill <jason@redhat.com>
11491 * tree.def: Elaborate on difference from MODIFY_EXPR.
11492 * doc/c-tree.texi (INIT_EXPR): Likewise.
11493 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11494 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11495 (gimplify_target_expr): Likewise.
11496 (gimplify_cond_expr): Remove target handling.
11497 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11498 (gimplify_expr): Clobber it here.
11499 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11500 Do return slot optimization if we have an INIT_EXPR.
11503 * tree-inline.c (declare_return_variable): Also clear
11504 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11507 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11509 PR middle-end/22439
11510 * gimplify.c (gimplify_one_sizepos): Fix typo.
11512 2006-02-08 Jeff Law <law@redhat.com>
11514 PR tree-optimization/21417
11515 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11516 across a backedge if the control statement at the end of the
11517 block is data dependent on other statements in the same block.
11518 (record_temporary_equivalences_from_stmts): Remove over-conservative
11519 test for threading across backedges.
11521 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11522 control statement, handle all three special cases in the same
11523 manner as they all have the same desired solution. No longer
11524 special case edge flag updating when the post dominator is
11527 2006-02-08 Roger Sayle <roger@eyesopen.com>
11529 * tree.def (CHAR_TYPE): Remove.
11530 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11531 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11532 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11533 (gen_string_type_die): Delete unreachable function.
11535 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11536 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11537 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11538 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11539 * builtins.c (type_to_class): Likewise.
11540 * fold-const.c (fold_convert, build_range_check,
11541 merge_ranges): Likewise.
11542 * expr.c (count_type_elements): Likewise.
11543 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11544 * stor-layout.c (layout_type): Likewise.
11545 * ipa-type-escape.c (type_to_consider): Likewise.
11546 * gimplify.c (omp_firstprivatize_type_sizes,
11547 gimplify_type_sizes): Likewise.
11548 * explow.c (promote_mode): Likewise.
11549 * tree-sra.c (is_sra_scalar_type): Likewise.
11550 * varasm.c (output_constant): Likewise.
11551 * tree-inline.c (remap_type_1): Likewise.
11552 * convert.c (convert_to_pointer, convert_to_real,
11553 convert_to_integer, convert_to_complex): Likewise.
11555 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11557 * df-scan.c (df_def_record_1): A set destination may
11558 be a parallel regardless of mode.
11560 2006-02-08 Roger Sayle <roger@eyesopen.com>
11563 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11564 * config/mips/_tilib.c: Remove.
11565 * config/fixtfdi.c: New libgcc source file.
11566 * config/fixunstfdi.c: New source file.
11567 * config/floatditf.c: New source file.
11568 * config/floatunditf.c: New souce file.
11569 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11570 files above instead of config/mips/_tilib.c.
11571 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11573 2006-02-08 Jeff Law <law@redhat.com>
11575 PR tree-optimization/26169
11576 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11579 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11581 * df.h (DF_REG_SIZE): Return the length of the initialized
11584 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11586 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11587 __muldf3): Return a correctly signed zero.
11589 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11591 * passes.c (register_one_dump_file): Accept the current properties
11592 instead of pass number. Adjust call to dump_register. Remove
11594 (register_dump_files): Now a wrapper around...
11595 (register_dump_files_1): ... this one. Do not modify the pass
11597 (next_pass_1): Cosmetic fix.
11598 (execute_todo): Keep second parameter only. Use curr_properties
11599 instead of fetching it from the pass structure. Check and set
11601 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11602 instead of fetching it from the pass structure. Fix calls to
11603 execute_todo. Update curr_properties and initialize .vcg RTL dump
11604 after running the pass. Reset last_verified.
11605 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11607 (FIRST_AUTO_NUMBERED_DUMP): New.
11608 (dump_register): Remove "num" parameter, assign it within the
11610 (get_dump_file_name): Modify template for dumps.
11611 * tree-dump.h (dump_register): Adjust prototype.
11612 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11613 (PROP_trees): Add PROP_gimple_lomp.
11614 (TODO_set_props): New.
11615 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11616 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11617 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11619 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11621 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11622 (sparc64-*-linux*): Likewise.
11623 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11624 * config/sparc/t-linux: New file.
11625 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11626 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11627 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11628 -m32 -mlong-double-128.
11630 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11631 * config/alpha/t-linux: New file.
11632 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11634 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11635 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11636 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11637 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11638 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11639 (CPP_ARCH32_SPEC): Remove.
11641 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11643 PR tree-optimization/26145
11644 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11647 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11650 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11651 >= 240000 when generating code for SOM runtime.
11652 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11653 to $$dyncall when generating code for SOM runtime..
11655 2006-02-07 Dirk Mueller <dmueller@suse.com>
11658 * doc/invoke.texi (-Wsequence-point): Update documentation
11659 that -Wsequence-point is implemented for C++ as well.
11661 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11663 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11664 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11665 (LIB_SPEC): Likewise.
11666 * doc/invoke.texi (SPARC options): Document -pthread.
11668 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11670 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11673 2006-02-07 Roger Sayle <roger@eyesopen.com>
11675 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11676 Correct comment describing BOOLEAN_TYPE.
11678 2006-02-07 Dirk Mueller <dmueller@suse.com>
11680 * c.opt: C++ frontend supports -Wdiv-by-zero.
11681 * c-opts.c (c_common_handle_option): Remove dead case.
11683 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11685 * configure.ac (TLS assembler check): Do not enable TLS by
11686 default on SPARC/Solaris before version 10.
11687 * configure: Regenerate.
11689 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11691 * doc/invoke.texi (xl-compat): Document conversion and support
11694 2006-02-07 Jeff Law <law@redhat.com>
11696 * tree-vrp.c (find_conditional_asserts): Update comments.
11697 (simplify_stmt_for_jump_threading): New.
11698 (identify_jump_threads, finalize_jump_threads): New.
11699 (vrp_finalize): Call identify_jump_threads.
11700 (execute_vrp): Call finalize_jump_threads.
11701 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11702 (vrp_element, vrp_data, vrp_element_p): Remove.
11703 (vrp_hash_elt, vrp_variables_stack): Remove.
11704 (vrp_hash, vrp_eq, record_range): Remove.
11705 (simplify_cond_and_lookup_avail_expr): Remove.
11706 (extract_range_from_cond): Remove.
11707 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11708 (simplify_stmt_for_jump_threading): New.
11709 (dom_thread_across_edge): New wrapper.
11710 (tree_ssa_dominator_optimize): No longer initialize or
11711 finalize any of the VRP datastructures. Remove iteration
11712 step and simplify as a result of removal of iteration step.
11713 (pass_dominator): Perform a cfg cleanup after DOM.
11714 (dom_opt_finalize_block): Use the new common routines
11715 for threading jumps. Simplify stack management slightly.
11716 No longer need to unwind VRP state.
11717 (record_equivalences_from_incoming_edge): No longer record
11719 (eliminate_redundant_computations): No longer call
11720 simplify_cond_and_lookup_avail_expr.
11721 * tree-flow.h (potentially_threadable_block): Prototype.
11722 (thread_across_edge): Likewise.
11723 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11724 (tree-ssa-threadedge.o): Add dependencies.
11725 * tree-ssa-threadedge.c: New file.
11726 * passes.c (init_optimization_passes): Merge PHIs before
11727 calling VRP. Run VRP again late in the SSA optimization pipeline.
11729 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11731 * df-core.c (df_set_blocks): Do not dereference function pointers.
11732 (df_finish1): Likewise.
11733 (df_hybrid_search_forward): Likewise.
11734 (df_hybrid_search_backward): Likewise.
11735 (df_iterative_dataflow): Likewise.
11736 (df_analyze_problem): Likewise.
11737 (df_compact_blocks): Likewise.
11738 (df_dump): Likewise.
11739 * df-scan.c (df_rescan_blocks): Likewise.
11740 (df_record_entry_block_defs): Likewise.
11742 * genconditions.c (write_conditions): Guard the definition of
11743 'insn_conditions' with the check on GCC version.
11744 (write_writer): Guard the traversal 'insn_conditions' with
11745 the check on GCC version.
11747 2006-02-07 Richard Guenther <rguenther@suse.de>
11751 2006-01-30 Richard Guenther <rguenther@suse.de>
11753 * gimplify.c (gimplify_target_expr): Handle easy cases
11754 without creating a temporary.
11756 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11758 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11759 use of float in probability computations. Use edge probabilities
11760 in place of statically computed probabilities.
11761 (min_spec_prob): New static variable.
11762 (schedule_insns): Initialize it.
11763 (GET_SRC_PROB): Removed.
11764 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11766 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11769 * config/ia64/unwind-ia64.c: Revert last change.
11770 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11771 (INCOMING_FRAME_SP_OFFSET): Define.
11773 2006-02-06 Roger Sayle <roger@eyesopen.com>
11775 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11777 2006-02-07 Ben Elliston <bje@au.ibm.com>
11779 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11780 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11781 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11782 (ix86_return_in_memory): Handle TDmode.
11783 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11784 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11786 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11788 * reorg.c (dbr_schedule): Use dump_file instead of file.
11790 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11793 * config/ia64/predicates.md (extr_len_operand): New predicate.
11794 * config/ia64/ia64.md (extv): Tighten constraints.
11796 (*tbit_and_2): Ditto.
11797 (*tbit_and_3): Ditto.
11798 (*tbit_or_2): Ditto.
11799 (*tbit_or_3): Ditto.
11800 (*bit_zero): Ditto.
11803 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11806 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11808 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11810 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11811 loop_optimizer_init and loop_optimizer_finalize
11812 * tree-ssa-sink.c (execute_sink_code): Ditto.
11813 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11814 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11815 tree_ssa_loop_done): Ditto.
11816 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11817 * sched-ebb.c: Include output.h.
11818 (schedule_ebbs): Do not use dump argument.
11819 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11820 * loop.c (loop_dump_stream): Removed.
11821 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11823 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11824 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11825 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11826 loop_iterations, strength_reduce, record_biv, record_giv,
11827 final_giv_value, check_final_value, check_ext_dependent_givs,
11828 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11829 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11830 dump_file instead of loop_dump_stream.
11831 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11832 argument dump_file.
11833 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11835 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11836 * haifa-sched.c: Include output.h
11837 (schedule_insns, sched_init): Do not use dump argument.
11838 * mode-switching.c (optimize_mode_switching): Ditto.
11839 * modulo-sched.c (stats_file): Removed.
11840 (print_node_sched_params): Do not call argument dump_file.
11841 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11842 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11844 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11846 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11847 rtl_loop_init, rtl_loop_done): Ditto.
11848 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11849 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11851 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11852 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11853 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11854 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11855 * emit-rtl.c (renumber_insns): Ditto.
11856 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11857 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11858 * regclass.c (regclass): Ditto.
11859 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11860 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11861 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11862 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11864 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11865 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11867 * gcse.c (gcse_file, debug_stderr): Removed.
11868 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11869 rest_of_handle_gcse): Do not use dump argument.
11870 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11871 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11872 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11873 compute_code_hoist_vbeinout, compute_code_hoist_data,
11874 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11875 compute_store_table, build_store_vectors, insert_insn_start_bb,
11876 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11877 store_motion): Use dump_file instead of gcse_file.
11878 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11879 * profile.c (profile_dump_file): Removed.
11880 (branch_prob): Use dump_file instead of profile_dump_file.
11881 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11883 * tree-ssa-copy.c (dump_copy_of): Ditto.
11884 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11885 dump file to life_analysis.
11886 * bt-load.c (branch_target_load_optimize): Ditto.
11887 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11889 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11890 regclass, dbr_schedule): Declaration changed.
11891 * sched-int.h (sched_init): Declaration changed.
11892 * tree-profile.c (tree_profile_dump_file): Removed.
11893 (tree_profile_hooks): Removed profile_dump_file hook.
11894 * rtl-profile (rtl_profile_dump_file): Removed.
11895 (rtl_profile_hooks): emoved profile_dump_file hook.
11896 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11898 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11899 * tree-cfg.c (build_tree_cfg): Ditto.
11900 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11901 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11902 Declaration changed.
11903 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11904 life_analysis and schedule_insns.
11905 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11907 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11909 * config/mips/mips.c (mips_reorg): Ditto.
11910 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11913 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11915 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11916 (s390_mangle_fundamental_type): New.
11917 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11920 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11921 (alpha_mangle_fundamental_type): New.
11922 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11925 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11927 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11929 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11930 (sparc_mangle_fundamental_type): New.
11932 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11934 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11935 (s390x-*-linux*): Likewise.
11936 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11937 * config/s390/t-linux: New file.
11939 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11941 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11942 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11944 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11946 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11947 (ANTIC_SAFE_LOADS): New macro.
11948 (find_or_generate_expression): Add prototype.
11949 (set_contains_value): Allow null set for sake of not always having
11950 to allocate ANTIC_SAFE_LOADS.
11951 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11952 Allow COMPONENT_REF too.
11953 (valid_in_set): Allow COMPONENT_REF.
11954 Check ANTIC_SAFE_LOADS too.
11955 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11956 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11958 (can_PRE_operation): Add COMPONENT_REF.
11959 (create_component_ref_by_pieces): New function.
11960 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11961 (insert_aux): Move AGGREGATE_TYPE_P check here.
11962 (compute_avail): Set bb local stmt uids.
11963 (pass_pre): Use TODO_update_ssa_only_virtuals.
11965 2006-02-06 Ben Elliston <bje@au.ibm.com>
11967 * configure.ac: Unconditionally disable decimal float by default.
11968 * configure: Regenerate.
11970 2006-02-06 Ben Elliston <bje@au.ibm.com>
11972 * read-rtl.c (read_name): Terminate reading on EOF.
11974 2006-02-06 Ben Elliston <bje@au.ibm.com>
11976 * dfp.c (decimal_real_arithmetic): Change second argument type
11977 from int to enum tree_code. Do not always return true, but now
11978 return result of any call to decimal_do helper functions.
11979 * dfp.h (decimal_real_arithmetic): Update prototype.
11981 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11983 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11985 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11988 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11991 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11993 * tree-vrp.c (cfg_loops): Removed.
11994 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11995 Use current_loops instead of cfg_loops. Pass flags to
11996 loop_optimizer_init.
11997 * cfgloopmanip.c (fix_loop_structure): Update only available
11999 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12000 loop_optimizer_init.
12001 * modulo-sched.c (build_loops_structure): Removed.
12002 (sms_schedule): Use loop_optimizer_init.
12003 * loop-init.c (loop_optimizer_init): Use flags to determine
12004 which properties of loops to prepare.
12005 (rtl_loop_init): Pass flags to loop_optimizer_init.
12006 * tree-ssa-sink.c (execute_sink_code): Ditto.
12007 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12008 * tree-ssa-pre.c (init_pre): Ditto.
12009 * cfgloop.h (LOOPS_NORMAL): New.
12010 (loop_optimizer_init): Declaration changed.
12012 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12014 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12015 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12017 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12019 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12021 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12022 * pa/t-pa64: Delete quadlib.c rule.
12023 * pa/x-ada: Revert last change.
12024 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12026 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12028 PR rtl-optimization/26087
12029 * rtlanal.c (canonicalize_condition): Do not cross basic block
12032 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12035 * config/ia64/ia64.c: Include debug.h.
12036 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12037 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12038 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12039 (process_epilogue, process_set, process_for_unwind_directive):
12040 Output unwind info only if requested. Add CFA info if requested.
12041 Add new arguments as needed. Adjust callers.
12042 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12044 (DWARF2_FRAME_INFO): Define to zero.
12045 * config/ia64/unwind-ia64.c: Remove code that compensated for
12046 the CFA offset error fixed above.
12047 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12048 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12049 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12050 -funwind-tables and -fexceptions to enable frame info.
12051 (dwarf2out_frame_init): Define initial CFA even if
12052 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12053 DWARF2_UNWIND_INFO is nonzero, not just defined.
12054 (dwarf2out_frame_finish): Output non-EH call frame info only
12055 if DWARF2_FRAME_INFO is nonzero.
12056 (convert_cfa_to_loc_list,
12057 compute_frame_pointer_to_cfa_displacement): Define even if
12058 unwind info is not supported.
12059 (gen_subprogram_die): Use the above unconditionally. Remove
12060 legacy alternate code.
12061 * toplev.c (compile_file): Compile in call to
12062 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12063 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12065 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12066 Jakub Jelinek <jakub@redhat.com>
12068 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12069 IBM extended float format long double as "g" on powerpc*-linux.
12071 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12074 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12075 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12077 2006-02-03 Jason Merrill <jason@redhat.com>
12080 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12082 PR middle-end/25977
12083 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12084 on the return slot if it's an NRV.
12086 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12088 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12089 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12090 rewrite_use): Do not handle USE_OUTER.
12091 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12092 add_iv_outer_candidates, may_replace_final_value,
12093 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12094 (find_interesting_uses_op): Functionality of
12095 find_interesting_uses_outer_or_nonlin moved here.
12096 (find_interesting_uses_outside): Use find_interesting_uses_op.
12098 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12101 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12103 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12104 Ulrich Weigand <uweigand@de.ibm.com>
12107 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12108 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12109 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12110 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12112 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12113 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12114 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12115 Define secondary reloads for TFmode moves.
12116 (constant_modes): Add TFmode.
12117 (NR_C_MODES): Set to 8.
12118 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12120 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12121 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12122 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12123 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12124 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12125 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12126 (FPR mode macro): Add TFmode.
12127 (DSF mode macro): New.
12128 (<de>, <dee> mode attributes): Removed.
12129 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12130 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12131 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12132 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12133 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12134 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12135 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12136 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12137 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12138 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12139 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12140 "*negabs<mode>2", "sqrt<mode>2"):
12141 Changed <de> to <xde>. R constraint replaced by <Rf>.
12142 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12144 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12145 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12146 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12148 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12149 "extenddftf2", "extendsftf2"): New expanders.
12150 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12151 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12152 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12153 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12155 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12156 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12157 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12158 __floatditf): Add a GCC_4.1.0 symbol version tag.
12159 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12162 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12165 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12166 Use targetm.binds_local_p instead of TREE_PUBLIC.
12168 2006-02-02 Roger Sayle <roger@eyesopen.com>
12170 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12171 on INTEGER_TYPEs to indicate that it denotes a character type.
12172 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12173 signed_char_type_node, unsigned_char_type_node and char_type_node.
12174 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12175 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12176 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12178 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12179 Daniel Berlin <dberlin@dberlin.org>
12181 * tree-tailcall.c (arg_needs_copy_p): New function.
12182 (eliminate_tail_call): Use arg_needs_copy_p.
12183 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12184 (add_virtual_phis): New function.
12186 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12188 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12189 #ignore instead of #scratch for %g7 .register directive.
12191 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12193 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12196 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12198 * flow.c (calculate_global_regs_live): Assert that there aren't any
12201 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12203 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12204 what its name says.
12205 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12206 bsi_after_labels iterator.
12207 * tree-if-conv.c (find_phi_replacement_condition,
12208 replace_phi_with_cond_modify_expr): Likewise.
12209 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12210 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12212 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12214 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12216 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12219 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12220 array after growing it.
12222 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12224 PR middle-end/24901
12225 * fold-const.c (fold_checksum_tree): Change type of buf.
12227 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12229 * reload.c (push_secondary_reload): Initialize t_icode.
12231 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12233 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12234 -msoft-float -mlong-double-128 only issue a warning, but don't
12235 swich to DFmode long double.
12237 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12239 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12240 has a constant equivalent, iterate over equivalents for arg0,
12241 calling simplify_relational_operation and if there's a result
12242 cheaper than X, apply fold_rtx and return the result.
12244 2006-02-01 Jan Hubicka <jh@suse.cz>
12246 * opts.c (no_unit_at_a_time_default): New global variable.
12247 (decode_options): Use it.
12248 * opts.h (no_unit_at_a_time_default): Declare.
12250 2006-02-01 Paul Brook <paul@codesourcery.com>
12252 * function.c (assign_parm_setup_reg): Use function argument promotion
12254 * expr.c (expand_expr_real_1): Use function argument promotion rules
12257 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12259 * gcc.c (process_command): Change j to 'unsigned int'.
12261 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12263 PR middle-end/26001
12264 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12265 Use the corrected index for the character
12266 out of the string constant.
12268 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12270 * mode-switching.c (optimize_mode_switching): Fix size
12271 allocated for bb_info[n_entities].
12273 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12275 * gcc.c (main): Correct type that is allocated for
12276 explicit_link_files.
12278 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12280 * config/s390/s390.c (init_alignment_context): Set
12281 ALIAS_SET_MEMORY_BARRIER on the MEM.
12282 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12284 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12286 PR middle-end/25933
12287 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12289 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12292 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12294 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12295 * regrename.c: Ditto.
12296 * tree-ssa-loop-im.c: Ditto.
12297 * tree-dump.c: Ditto.
12298 * tree-complex.c: Ditto.
12299 * genrecog.c: Ditto.
12300 * tree-ssa-threadupdate.c: Ditto.
12302 * java/class.c: Ditto.
12303 * java/jcf-parse.c: Ditto.
12304 * java/resource.c: Ditto.
12305 * java/except.c: Ditto.
12306 * java/jvspec.c: Ditto.
12307 * java/jcf-write.c: Ditto.
12308 * java/jcf-path.c: Ditto.
12309 * java/gjavah.c: Ditto.
12310 * java/zextract.c: Ditto.
12311 * java/jcf-io.c: Ditto.
12312 * java/jcf.h: Ditto.
12313 * java/buffer.c: Ditto.
12314 * java/lang.c: Ditto.
12315 * java/parse-scan.y: Ditto.
12316 * java/lex.c: Ditto.
12317 * java/lex.h: Ditto.
12318 * cfgloopmanip.c: Ditto.
12319 * postreload-gcse.c: Ditto.
12320 * tree-ssa-loop-manip.c: Ditto.
12321 * postreload.c: Ditto.
12322 * tree-ssa-loop-ch.c: Ditto.
12325 * cppspec.c: Ditto.
12326 * diagnostic.c: Ditto.
12328 * genoutput.c: Ditto.
12330 * cfghooks.c: Ditto.
12331 * cfgloopanal.c: Ditto.
12332 * objc/objc-act.c: Ditto.
12334 * genextract.c: Ditto.
12335 * genautomata.c: Ditto.
12336 * pretty-print.c: Ditto.
12337 * genemit.c: Ditto.
12338 * cgraphunit.c: Ditto.
12340 * df-scan.c: Ditto.
12341 * haifa-sched.c: Ditto.
12342 * dominance.c: Ditto.
12344 * tree-ssa-loop-ivopts.c: Ditto.
12345 * df-core.c: Ditto.
12346 * mode-switching.c: Ditto.
12347 * modulo-sched.c: Ditto.
12349 * ipa-pure-const.c: Ditto.
12351 * fix-header.c: Ditto.
12353 * tree-stdarg.c: Ditto.
12354 * ipa-utils.c: Ditto.
12355 * loop-init.c: Ditto.
12356 * ipa-inline.c: Ditto.
12357 * cfganal.c: Ditto.
12359 * alloc-pool.c: Ditto.
12360 * dwarf2out.c: Ditto.
12362 * genattrtab.c: Ditto.
12363 * tree-ssa-loop-ivcanon.c: Ditto.
12364 * predict.c: Ditto.
12365 * timevar.c: Ditto.
12367 * fortran/gfortranspec.c: Ditto.
12368 * regmove.c: Ditto.
12369 * local-alloc.c: Ditto.
12370 * langhooks.c: Ditto.
12371 * function.c: Ditto.
12372 * tree-vectorizer.c: Ditto.
12374 * ipa-type-escape.c: Ditto.
12376 * tree-if-conv.c: Ditto.
12377 * profile.c: Ditto.
12379 * tree-data-ref.c: Ditto.
12380 * loop-unroll.c: Ditto.
12381 * treelang/treetree.c: Ditto.
12383 * bt-load.c: Ditto.
12384 * ggc-common.c: Ditto.
12386 * coverage.c: Ditto.
12388 * tree-cfgcleanup.c: Ditto.
12389 * tree-ssa-pre.c: Ditto.
12390 * cfgcleanup.c: Ditto.
12391 * loop-invariant.c: Ditto.
12392 * loop-iv.c: Ditto.
12393 * ipa-prop.c: Ditto.
12394 * print-tree.c: Ditto.
12395 * conflict.c: Ditto.
12396 * ggc-page.c: Ditto.
12397 * sched-deps.c: Ditto.
12398 * regclass.c: Ditto.
12399 * tree-object-size.c: Ditto.
12400 * combine.c: Ditto.
12401 * bb-reorder.c: Ditto.
12402 * resource.c: Ditto.
12403 * var-tracking.c: Ditto.
12404 * cfgloop.c: Ditto.
12405 * df-problems.c: Ditto.
12406 * reg-stack.c: Ditto.
12408 * gccspec.c: Ditto.
12409 * sched-rgn.c: Ditto.
12410 * tree-ssa-structalias.c: Ditto.
12411 * tree-ssa-reassoc.c: Ditto.
12412 * config/darwin-c.c: Ditto.
12413 * config/darwin.c: Ditto.
12414 * config/arm/arm.c: Ditto.
12416 * collect2.c: Ditto.
12417 * reload1.c: Ditto.
12419 2006-01-31 Nicolas Pitre <nico@cam.org>
12421 * arm.md (smaxsi3): Make aware of smax_m1.
12424 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12426 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12428 2006-01-31 Richard Guenther <rguenther@suse.de>
12430 * doc/invoke.texi (-msselibm): Document.
12431 * target.h (expand_library_builtin): New target hook.
12432 * builtins.c (expand_builtin): Use expand_library_builtin.
12433 (default_expand_library_builtin): New function.
12434 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12435 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12436 (link_gcc_math_spec): Declare.
12437 (static_specs): Add link_gcc_math_spec.
12438 * expr.h (default_expand_library_builtin): Declare.
12439 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12440 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12441 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12442 * config/i386/i386.opt (msselibm): New target option.
12443 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12444 (ix86_init_sse_abi_builtins): New function.
12445 (ix86_expand_library_builtin): Likewise.
12446 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12447 (override_options): Handle error conditions wrt -msselibm.
12448 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12449 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12450 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12453 2006-01-31 Richard Guenther <rguenther@suse.de>
12454 Paolo Bonzini <bonzini@gnu.org>
12456 * doc/install.texi (--disable-libgcc-math): Document.
12458 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12460 * expr.h (expand_normal): new inline function.
12461 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12462 * dojump.c: use it.
12463 * dwarf2out.c: use it.
12466 * expmed.c: use it.
12467 * except.c: use it.
12468 * config/sparc/sparc.c: use it.
12469 * config/i386/i386.c: use it.
12470 * config/rs6000/rs6000.c: use it.
12471 * config/arm/arm.c: use it.
12472 * config/mips/mips.c: use it.
12473 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12475 2006-01-30 Roger Sayle <roger@eyesopen.com>
12477 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12478 argv to the appropriate type.
12480 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12482 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12485 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12488 * config/s390/s390.c (struct machine_function): New flag
12489 decomposed_literal_pool_addresses_ok_p.
12490 (s390_reorg): Set it before final stage of literal pool transforms.
12491 (s390_decompose_address): Only accept displacements of the form
12492 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12494 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12496 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12497 the comparison routine return.
12499 2006-01-30 Michael Matz <matz@suse.de>
12501 * global.c (find_reg): Only evict for global regs.
12502 Take n_refs into account and dump more info.
12504 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12507 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12508 (pragma_trap, pragma_nosave_low_regs): Likewise.
12509 (current_function_anonymous_args): Likewise.
12510 (sh_deferred_function_attributes): New variable.
12511 (sh_deferred_function_attributes_tail): Likewise.
12512 (print_operand): For '@', look up trap_exit attribute.
12513 (calc_live_regs): Look up trapa_handler attribute. For trapa
12514 handlers, save/restore fpscr, but don't do any other
12515 interrupt-specific saves.
12516 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12517 Fix check for partially saved registers to check for SHmedia.
12518 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12519 (sh_output_function_epilogue): Don't clear any of the removed
12521 (sh_insert_attributes): Don't check pragma_interrupt.
12522 Insert deferred attributes. Check that interrupt attribute is
12523 present for other attributes that require its presence.
12524 (sh_attribute_table): Add new attributes trapa_handler and
12526 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12527 Don't check for pragma_interrupt. Don't store argument.
12528 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12529 (sh_deferred_function_attributes): Declare.
12530 (sh_deferred_function_attributes_tail): Likewise.
12531 * sh.md (sp_switch_1): Add operand. Change generator caller.
12532 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12533 (*return_i): Don't use when trap_exit attribute is in effect.
12534 (*return_trapa): New insn pattern.
12535 * sh-c.c: New file.
12536 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12537 setting c_target_objs and cxx_target_objs.
12538 * t-sh: Add rule for sh-c.o.
12540 2006-01-30 Richard Guenther <rguenther@suse.de>
12543 * gimplify.c (gimplify_target_expr): Handle easy cases
12544 without creating a temporary.
12546 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12548 * vec.h (safe_grow): Remove duplicated line.
12550 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12553 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12554 (expand_omp): ... here.
12555 (expand_omp_parallel): Only remove barriers for combined
12556 parallel+workshare constructs.
12558 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12562 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12563 * tree.c (build_qualified_type): Chain the new type to the original
12564 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12565 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12566 (build_pointer_type_for_mode): Only return unqualified types.
12567 (build_reference_type_for_mode): Likewise.
12569 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12571 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12572 * Makefile.in (CXX_COMPAT_WARN): Define.
12573 * configure: Regenerate.
12575 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12578 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12581 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12583 * toplev.c: Fix thinko.
12585 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12586 Marcin Dalecki <martin@dalecki.de>
12588 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12589 (push_srcloc): Use XNEW.
12590 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12592 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12594 * df-core.c (df_set_blocks): Deleted all variable.
12596 2006-01-28 Ian Lance Taylor <ian@airs.com>
12598 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12599 cgraph_output_pending_asms.
12601 2006-01-28 Zack Weinberg <zackw@panix.com>
12603 * c.opt: Add -W(no-)overlength-strings.
12604 * doc/invoke.texi: Document it.
12605 * c-opts.c (c_common_handle_option): -pedantic implies
12606 -Woverlength-strings, if not explicitly disabled already.
12607 (c_common_post_options): -Woverlength-strings defaults to off, and
12608 is always off for C++.
12609 * c-common.c (fix_string_type): Issue warning about strings longer
12610 than is portable only if warn_overlength_strings. Rearrange code
12611 a little for clarity.
12612 * configure.in: Check for -Wno-overlength-strings as well before
12613 enabling -pedantic in stage 1.
12614 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12615 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12617 * genconditions.c (write_header, write_one_condition)
12618 (write_conditions, write_writer): Consolidate very long strings
12619 that were broken up to fit in C89 portable limit. Don't use
12620 printf when fputs will do.
12622 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12624 * combine.c (simplify_comparison <AND>): Check
12625 TRULY_NOOP_TRUNCATION before start using a subreg.
12627 * config/mips/mips.md (*branch_zero<mode>,
12628 *branch_zero<mode>_inverted, *branch_equality<mode>,
12629 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12630 Remove mode check from comparisons.
12632 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12634 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12636 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12638 * expmed.c (const_mult_add_overflow_p): Remove.
12639 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12641 * recog.c (validate_replace_rtx_subexp): Remove.
12642 * recog.h: Remove the prototype for
12643 validate_replace_rtx_subexp.
12645 * integrate.h: Remove the prototype for
12646 copy_decl_for_inlining.
12647 * rtl.h: Remove the prototype for mark_constant_function.
12648 * tree-vectorizer.h: Remove the prototype for
12649 vect_strip_conversion.
12651 * modulo-sched.c (create_partial_schedule,
12652 free_partial_schedule, reset_partial_schedule): Make them
12655 * hooks.c (hook_bool_rtx_int_false): Remove.
12656 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12658 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12660 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12661 and -mlong-double-128 are incompatible.
12662 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12663 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12664 (TARGET_LIBGCC2_CFLAGS): Define.
12665 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12666 (TARGET_LIBGCC2_CFLAGS): Same.
12667 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12669 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12672 * c-typeck.c (build_binary_op): Perform implicit casts of
12673 operands before shortening them.
12675 * cfgloopmanip.c (split_loop_bb): Remove.
12676 * cfgloop.h: Remove the prototype for split_loop_bb.
12678 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12679 * cfgloop.h: Remove the prototype for
12680 flow_loop_outside_edge_p.
12682 * emit-rtl.c (init_virtual_regs): Make it static.
12683 * function.h: Remove the prototype for init_virtual_regs.
12685 * recog.c (peephole2_optimize): Make it static.
12686 * recog.h: Remove the prototype for peephole2_optimize.
12688 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12690 * df-scan.c (df_record_entry_block_defs): Check if
12691 INCOMING_RETURN_ADDR_RTX is defined.
12693 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12694 Kenneth Zadeck <zadeck@naturalbridge.com>
12696 PR rtl-optimization/24762
12697 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12698 * targhooks.c (hook_void_bitmap): New hook prototype.
12699 * targhoohs.h (hook_void_bitmap): Ditto.
12700 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12701 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12702 * target.h (live_on_entry): New function pointer.
12703 * df-scan.c (df_all_hard_regs): Removed.
12704 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12705 (df_scan_free_internal): Added df->entry_block_defs.
12706 (df_scan_alloc): Ditto.
12707 (df_scan_dump): Ditto.
12708 (df_uses_record): Plumbed flag field properly thru calls.
12709 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12710 This part fixes PR24762.
12711 (df_bb_refs_record): Added code to make the frame and arg
12712 pointers live in EH blocks.
12713 (df_refs_record): Added call to df_record_entry_block_defs.
12714 (df_record_entry_block_defs): New function.
12715 * df-core.c: Added comments to describe new artifical defs.
12716 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12717 (entry_block_defs): New field in struct df.
12718 (df_all_hard_regs): Deleted.
12719 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12720 * df-problems.c (df_ru_bb_local_compute_process_def):
12721 Added code to handle artifical defs in the entry to a function.
12722 (df_ru_bb_local_compute): Ditto.
12723 (df_rd_bb_local_compute_process_def): Ditto.
12724 (df_rd_bb_local_compute): Ditto.
12725 (df_lr_bb_local_compute): Ditto.
12726 (df_ur_bb_local_compute): Ditto.
12727 (df_urec_bb_local_compute): Ditto.
12728 (df_chain_create_bb): Ditto.
12729 (df_ur_local_finalize): Removed entry.
12730 (df_urec_init): Ditto.
12731 (df_urec_local_finalize): Ditto.
12732 (df_ri_bb_compute): Added detection of last use of pseudos.
12733 * Makefile.in (df-scan.o): Updated dependencies.
12734 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12735 * config/mips/mips.c (mips_set_live_on_entry): Added.
12736 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12738 * dce.c (marked_insn_p): Added code to handle artifical defs.
12740 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12742 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12744 (_mm_cvtsi128_si64): Likewise.
12745 (_mm_cvtsd_si64): Likewise.
12746 (_mm_cvttsd_si64): Likewise.
12747 (_mm_cvtsi64_sd): Likewise.
12748 (_mm_cvtsi64_si128): Likewise.
12749 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12750 (_mm_cvtsi64_m64): Likewise.
12751 (_m_to_int64): Likewise.
12752 (_mm_cvtm64_si64): Likewise.
12753 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12754 (_mm_cvttss_si64): Likewise.
12755 (_mm_cvtsi64_ss): Likewise.
12756 (_mm_cvtss_f32): Likewise.
12758 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12760 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12761 for pragma redefine_extname.
12763 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12766 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12767 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12768 -mno-minimal-toc to previous content.
12769 (bispecs): Remove goal.
12770 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12771 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12772 compatibility aliases on powerpc-*-*gnu*.
12773 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12774 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12775 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12776 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12777 (ldblspecs): New goal.
12778 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12779 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12781 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12782 L_sf_to_tf or L_df_to_tf is defined.
12784 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12785 Alan Modra <amodra@bigpond.net.au>
12788 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12789 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12790 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12791 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12792 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12793 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12794 (rs6000_override_options): Initialize rs6000_ieeequad.
12795 Initialize TFmode format to ibm_extended_format if not
12797 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12799 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12800 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12801 (function_arg_advance): IBM long double passed in two FPRs, not
12803 (function_arg): IBM long double passed in FPRs.
12804 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12805 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12806 Only multireg GPR aligned.
12807 (rs6000_init_libfuncs): Enable IBM long double functions if not
12809 (rs6000_generate_compare): Use IBM long double compare if not
12811 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12812 (TARGET_IEEEQUAD): Define.
12813 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12814 not TARGET_IEEEQUAD.
12815 * config/rs6000/rs6000.md: Enable TFmode patterns if
12817 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12818 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12819 and -mlong-double-128 are incompatible.
12820 * doc/invoke.texi (-mabi): Collect options together. Add
12821 ibmlongdouble and ieeelongdouble.
12823 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12825 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12827 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12828 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12829 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12830 * rtl.h (rtunion_def): Remove rt_ptr.
12832 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12833 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12834 * config/i386/winnt.c (i386_pe_mark_dllexport)
12835 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12837 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12839 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12841 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12845 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12846 pthread_key_delete. From John David Anglin. gthrw-ify
12847 pthread_getunique_np only if it it's not a macro. Delete
12849 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12850 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12851 __gthread_objc_condition_signal, __gthread_key_delete): Add
12852 "__attribute__ ((__unused__))" to unused arguments.
12853 (__gthread_recursive_mutex_init_function): Add missing return.
12854 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12855 gthr-posix95.h: Use macro-based approach for name redirection
12856 on targets missing weakref.
12858 2006-01-26 Zack Weinberg <zackw@panix.com>
12860 * genconditions.c (write_header): In generated code, #ifdef out
12861 all includes and fake declarations, except includes of bconfig.h
12862 and system.h, unless GCC_VERSION >= 3001. Do not include
12863 gensupport.h in any case.
12864 (write_conditions): Generate a definition of struct c_test. Add
12865 a comment to the generated #endif.
12866 (write_one_condition): Escape backslashes in string too.
12867 (write_writer): Generated code must escape backslashes and quote
12868 marks (but not newlines) in the strings it writes.
12869 * Makefile.in (build/gencondmd.o): Update dependencies.
12871 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12874 * Makefile.in (insn-automata.o): Add header file dependencies.
12875 * genautomata.c: Add includes.
12877 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12880 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12882 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12884 * configure.ac: Expect target tools paths to be passed from the toplevel
12885 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12887 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12889 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12892 * c.opt (Wpointer-sign): Init to -1.
12893 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12894 OPT_pedantic, to 0 otherwise.
12895 * doc/invoke.texi: Update.
12897 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12899 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12900 constants provided by 80387 instructions in the destination mode.
12902 2006-01-26 Richard Guenther <rguenther@suse.de>
12903 Andrew Pinski <pinskia@physics.uc.edu>
12906 partial PR tree-opt/17064
12907 * tree-ssa-structalias.c (intra_create_variable_infos):
12908 Create heap variables for incoming parameters if
12909 flag_argument_noalias > 1.
12910 (find_what_p_points_to): Look through default defs of
12913 2006-01-26 Jeff Law <law@redhat.com>
12916 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12917 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12918 within the VR_RANGE, use the VR_RANGE as the result, not the
12920 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12921 bounds for the type.
12923 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12925 * tree-ssa-alias.c (maybe_create_global_var): Change
12926 subvar walking to an assertion that we don't have subvar'd variables.
12928 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12931 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12932 Use a new variable, inner. PARM_DECLs are always non-weak.
12934 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12936 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12937 --disable-checking.
12939 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12941 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12943 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12945 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12946 (smax_insn, smin_insn, smax_0, smin_0): New.
12948 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12951 * config/cris/cris.c (cris_order_for_addsi3): New function.
12952 * config/cris/cris-protos.h: Prototype it.
12953 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12954 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12955 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12956 (split for "op.S1 [rx=rx+i],ry (swapped)")
12957 (split for "op(s|u).S1 [rx=rx+i],ry")
12958 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12959 Apply cris_order_for_addsi3 when generating addsi3 insns.
12961 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12963 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12964 (TREE_BLOCK): Add call to EXPR_CHECK.
12966 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12969 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12970 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12971 (dump_omp_clauses): ... here.
12972 (dump_generic_node): Handle OMP_CLAUSE.
12973 * tree.c (omp_clause_num_ops): New.
12974 (omp_clause_code_name): New.
12975 (tree_code_size): Handle OMP_CLAUSE.
12976 (tree_size): Likewise.
12977 (make_node): Document handling of OMP_CLAUSE.
12978 (tree_node_structure): Handle OMP_CLAUSE.
12979 (omp_clause_check_failed): New.
12980 (omp_clause_range_check_failed): New.
12981 (omp_clause_operand_check_failed): New.
12982 (build_omp_clause): New.
12983 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12984 * tree.h (enum omp_clause_code): Declare.
12985 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12986 (OMP_CLAUSE_RANGE_CHECK): Define.
12987 (OMP_CLAUSE_ELT_CHECK): Define.
12988 (omp_clause_check_failed): Declare.
12989 (omp_clause_operand_check_failed): Declare.
12990 (omp_clause_range_check_failed): Declare.
12991 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12992 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12993 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12994 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12995 (OMP_CLAUSE_IF_EXPR): Likewise.
12996 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12997 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12998 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12999 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13000 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13001 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13002 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13003 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13004 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13005 (OMP_CLAUSE_CODE): Define.
13006 (OMP_CLAUSE_SET_CODE): Define.
13007 (OMP_CLAUSE_CODE): Define.
13008 (OMP_CLAUSE_OPERAND): Define.
13009 (struct tree_omp_clause): Declare.
13010 (union tree_node): Add field 'omp_clause'.
13011 * treestruct.def (TS_OMP_CLAUSE): Define.
13012 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13013 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13014 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13015 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13016 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13017 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13018 (OMP_CLAUSE): Define.
13019 * print-tree.c (print_node): Handle OMP_CLAUSE.
13020 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13021 * c-typeck.c: Likewise.
13022 * gimplify.c: Likewise.
13023 * c-omp.c: Likewise.
13024 * tree-nested.c: Likewise.
13025 * tree-inline.c: Likewise.
13026 * c-parser.c: Likewise.
13027 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13030 2006-01-25 Roger Sayle <roger@eyesopen.com>
13032 PR rtl-optimization/25703
13033 * combine.c (try_combine): Handle zero_extract and strict_low_part
13034 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13036 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13038 * global.c: Fix comment typos.
13040 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13043 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13044 Use output_addr_const instead of assemble_name.
13046 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13048 * Makefile.in (sched-vis.o): Update dependencies.
13049 * haifa-sched.c (sched_finish): Clear current_sched_info.
13050 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13051 (dump_flow_info): Call it.
13052 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13054 * basic-block.h (dump_bb_info): Declare.
13055 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13056 option, and apply options only for dump files whose TDF_RTL,
13057 TDF_TREE, or TDF_IPA bits match.
13058 * rtl.h: Declare new functions exported from sched-vis.c.
13059 * sched-vis.c: Enable also if scheduling is not used.
13060 (print_value): Print the mode of registers if not inside scheduling.
13061 (print_insn): Make it work outside the scheduler. Beautify the output
13063 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13065 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13067 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13068 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13069 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13070 depending on the value of CONSTANT_POOL_ADDRESS_P.
13071 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13073 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13074 rather than SYMBOL_REF_DECL.
13075 (rtx_constant_pool): Remove const_rtx_sym_htab.
13076 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13077 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13078 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13079 Remove handling of const_rtx_sym_htab.
13080 (find_pool_constant): Delete.
13081 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13082 rather than find_pool_constant.
13083 (get_pool_constant_for_function): Delete.
13084 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13085 find_pool_constant.
13086 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13087 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13088 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13089 (SYMBOL_REF_CONSTANT): New macro.
13090 (get_pool_constant_for_function): Delete.
13091 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13092 rather than SYMBOL_REF_DECL.
13093 (i386_pe_mark_dllimport): Likewise.
13094 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13095 rather than SYMBOL_REF_DECL.
13096 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13097 (machopic_indirect_call_target): Likewise.
13099 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13101 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13103 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13105 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13107 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13109 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13111 2006-01-24 David Daney <ddaney@avtrex.com>
13114 * configure.ac (enable_tls): New enable option.
13115 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13116 * configure: Regenerate.
13117 * doc/install.texi (--enable-tls): Document new option.
13118 (--disable-tls): Ditto.
13120 2006-01-24 Richard Henderson <rth@redehat.com>
13122 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13123 * alias.c (true_dependence): Respect it.
13124 (canon_true_dependence, write_dependence_p): Likewise.
13125 * builtins.c (get_builtin_sync_mem): Set it.
13127 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13129 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13132 2006-01-24 DJ Delorie <dj@redhat.com>
13134 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13135 for storing constants in single-bit bitfields.
13137 2006-01-25 Ben Elliston <bje@au.ibm.com>
13139 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13141 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13144 * tree-ssa-pre.c (phi_translate): Return NULL
13145 for AGGREGATE_TYPE's.
13147 2006-01-24 Zack Weinberg <zackw@panix.com>
13149 * genautomata.c (process_state_for_insn_equiv_partition):
13150 Use xcalloc for insn_arcs_array.
13151 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13152 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13154 2006-01-24 Richard Henderson <rth@redhat.com>
13156 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13157 update all callers.
13159 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13161 PR rtl-optimization/25890
13162 PR rtl-optimization/25905
13163 * combine.c (expand_compound_operation, expand_field_assignment):
13164 Fail if the bitfield's final position is out of bounds.
13166 2006-01-24 Ian Lance Taylor <ian@airs.com>
13168 PR middle-end/25930
13169 * cgraphunit.c (cgraph_output_in_order): Don't clear
13170 cgraph_asm_nodes until after asm strings have been output.
13172 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13174 * fix-header.c (read_scan_file): Add new parameter imultilib when
13175 calling register_include_chains.
13177 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13179 * omp-low.c: Update documentation.
13181 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13182 Daniel Berlin <dberlin@dberlin.org>
13186 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13187 return from the function.
13189 2006-01-22 Zack Weinberg <zackw@panix.com>
13191 * rtl.def (match_code): Add second argument.
13192 * genpreds.c (write_extract_subexp): New function.
13193 (write_match_code): Add path argument. Use write_extract_subexp.
13194 (write_predicate_expr): Pass path to write_match_code.
13195 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13196 not perform a mode test.
13197 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13198 a subexpression does not constrain the top-level code set.
13199 * read-rtl.c (read_rtx_variadic): New function.
13200 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13201 * doc/md.texi: Document new notation.
13202 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13203 (cmpsi_operand): ... here, using new notation.
13205 2006-01-22 Zack Weinberg <zackw@panix.com>
13207 * varray.c: Remove GENERATOR_FILE #ifdefs.
13209 2006-01-22 Zack Weinberg <zackw@panix.com>
13211 * genautomata.c (output_reserved_units_table): Emit nothing if
13212 description->query_units_num is zero. Remove extra blank line.
13213 (output_cpu_unit_reservation_p): Short circuit
13214 if description->query_units_num is zero.
13216 2006-01-22 Zack Weinberg <zackw@panix.com>
13218 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13219 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13220 nor any of the random handful of variables that used to be necessary
13221 when this program was linked with rtlanal.o. Prune set of forward
13222 function declarations.
13223 (struct attr_desc): Remove static_p field.
13224 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13225 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13226 (attr_string): Do not read the character one past the length of
13228 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13229 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13230 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13231 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13232 (make_automaton_attrs): New.
13233 (main): Do not call into genautomata. Call local gen_bypass
13234 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13235 Remove special case for insn_alts.
13236 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13237 varray.h (leftover from previous change). Prune set of forward
13238 function declarations. Remove state_alts fields from all
13239 structures. Remove state_alts_table from struct automaton.
13240 Make everything except main static. Do not maintain num_dfa_decls.
13241 Do not maintain state_alts fields of various structures.
13242 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13243 (add_arc): Remove state_alts argument. All callers updated.
13244 (output_reserved_units_table): Emit #ifdef here...
13245 (output_tables): ...not here. Don't generate state_alts tables.
13246 (expand_automata): Don't generate attributes.
13247 (write_automata): Don't generate state_alts functions.
13248 (main): New function.
13249 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13250 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13251 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13252 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13253 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13254 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13255 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13256 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13258 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13259 * genattrtab.h: Delete file.
13260 * Makefile.in (OBJS-common): Add insn-automata.o.
13261 (insn-automata.o): New rule.
13262 (simple_generated_c): Add insn-automata.c.
13263 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13264 (genprogmd): Add automata.
13265 (build/genattrtab): Needs no extra objects nor libraries.
13266 (build/genautomata): Needs build/vec.o and -lm.
13268 2006-01-22 Zack Weinberg <zackw@panix.com>
13270 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13271 (output_dfa_max_issue_rate, locked_states_num): Delete.
13272 (struct automaton): Add locked_states field.
13273 (output_dead_lock_vect): Save number of locked states in
13274 automaton->locked_states. If it is zero, don't print anything.
13275 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13276 (output_internal_dead_lock_func): Only test the dead_lock_vect
13277 for automata that have locked states.
13278 (output_statistics): Always print the number of locked states for
13279 each automaton. Calculate total number of locked states here.
13280 (write_automata): Don't call output_dfa_max_issue_rate.
13281 * genattrtab.c: Define length_unit_log as a const variable.
13282 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13283 max_insn_queue_index const.
13284 * final.c (length_unit_log): Declare const.
13285 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13287 2006-01-22 Zack Weinberg <zackw@panix.com>
13289 * genautomata.c: Include vec.h, not varray.h.
13290 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13291 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13292 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13293 VEC_* macros operating on appropriately typed vectors, or to
13294 malloced arrays when the size is known in advance. Const-ify
13295 many char* variables and function arguments. No functional changes.
13296 * Makefile.in (build/varray.o): Delete rule.
13297 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13298 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13300 2006-01-22 Zack Weinberg <zackw@panix.com>
13302 * gensupport.c: Define get_insn_name and record_insn_name here.
13303 (read_md_rtx): Call record_insn_name as appropriate.
13304 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13305 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13306 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13308 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13309 (BUILD_VARRAY): Delete.
13310 (genprognormal): Rename genprogmd. Fold in all programs from
13311 genprognoprint; also attrtab.
13312 (build/genattrtab): Just mention genautomata.o and varray.o.
13313 Reorganize a bit, add comments to make the categories clearer.
13315 2006-01-22 Zack Weinberg <zackw@panix.com>
13317 * genconditions.c (condition_table, add_condition): Delete.
13318 (write_conditions): Don't emit n_insn_conditions nor
13319 insn_elision_unavailable. Issue the gcc version #ifdef here,
13320 inside the table, with no #else clause ...
13321 (write_header): ...not here.
13322 (write_writer): New function.
13323 (main): Don't initialize condition_table. Use add_c_test.
13325 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13326 files on the command line.
13327 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13328 Return -1 if there is no entry in the table, don't abort.
13329 (add_c_test, traverse_c_tests): New functions.
13330 * gensupport.h (insn_elision_unavailable, insn_conditions)
13331 (n_insn_conditions): Delete declarations.
13332 (add_c_test, traverse_c_tests): Declare.
13333 * read-rtl.c: Include gensupport.h.
13334 (read_conditions): New function.
13335 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13336 (read_rtx_1): If we get EOF when we were looking for an initial
13337 open paren, return 0. Call read_conditions when appropriate.
13338 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13339 dummy-conditions.o. Eliminate references to insn-conditions.o,
13340 or change them to build/gencondmd.o, as appropriate. Remove
13341 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13342 from $(simple_generated_c). For all files remaining in those
13343 two lists, add insn-conditions.md to the generator command line.
13344 Give insn-constants.h/s-constants their own rules. Add rules
13345 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13346 (build/read-rtl.o): Depend on gensupport.h.
13347 (genprognormal): Include preds.
13348 (genprogearly): Rename genprognoprint; only difference is now that
13349 they don't link with $(BUILD_PRINT).
13350 * dummy-conditions.c: Delete.
13352 2006-01-22 Zack Weinberg <zackw@panix.com>
13354 * genextract.c: Don't include insn-config.h. Do include vec.h.
13355 Declare vectors of int, char, and locstr.
13356 (locstr): New typedef.
13357 (struct extraction): Make all array fields into bare pointers.
13358 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13359 (insn_code_number): Delete.
13360 (accum_extract): New struct.
13361 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13362 (gen_insn): Take insn_code_number as an argument. Use an
13363 accum_extract structure instead of loading data directly into
13364 a struct extraction, and having to know how big it might get.
13365 (walk_rtx): Operate entirely on an accum_extract structure.
13366 (print_path): Avoid unnecessary use of printf.
13367 (print_header): New function, split out of main. Distinguish
13368 more carefully between an unrecognizable insn and an insn that
13369 has the code number of a define_expand.
13370 (main): Pass insn_code_number to gen_insn. Call print_header
13371 only after parsing. Avoid unnecessary use of printf.
13372 * Makefile.in (build/vec.o): New rule.
13373 (build/genextract): Depend on build/vec.o.
13374 (build/genextract.o): Don't depend on insn-config.h.
13376 2006-01-22 Zack Weinberg <zackw@panix.com>
13378 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13379 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13380 practical. Eliminate per-generator-program link rules.
13382 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13384 PR middle-end/24437
13385 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13386 with a call expr to ...
13387 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13389 2006-01-23 Richard Guenther <rguenther@suse.de>
13391 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13392 before make_edge with conditional EDGE_TRUE_VALUE.
13394 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13395 Jan Hubicka <jh@suse.cz>
13396 Richard Guenther <rguenther@suse.de>
13398 PR rtl-optimization/25654
13399 * cfgexpand.c (aggregate_contains_union_type): New function.
13400 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13401 for structure variables that contain a union type.
13403 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13405 * gengtype.c (new_structure): Return the structure.
13406 (create_option): Add an extra "next" argument.
13407 (create_field): New function.
13408 (adjust_field_rtx_def): Use create_option and create_field.
13409 Remove a now-unnecessary call to find_structure.
13410 (adjust_field_tree_def): Likewise.
13411 (note_yacc_type): Remove an unnecessary call to find_structure.
13412 * gengtype.h (new_structure): Return the structure.
13413 (create_option): Add an extra argument.
13414 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13415 (option): Adjust calls to create_option.
13417 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13419 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13421 2006-01-22 Paul Brook <paul@codesourcery.com>
13422 Peter Barada <peter@the-baradas.com>
13424 * config/m68k/m68k.md: Add Coldfire FPU support.
13425 Define FP mode macro and associated attributes.
13426 Use it for float mode patterns.
13427 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13428 (LIBCALL_VALUE): Use m68k_libcall_value.
13429 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13430 (m68k_function_value): Ditto.
13431 (emit_move_sequence): Ditto.
13432 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13433 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13434 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13435 (MULTILIB_EXCEPTIONS): Ditto.
13436 * config/m68k/m68k.opt: Add mcfv4e.
13437 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13438 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13439 (m68k_output_function_prologue): Save ColdFire FPU registers.
13440 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13441 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13442 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13443 ColdFire FPU registers.
13444 (m68k_libcall_value, m68k_function_value): New functions.
13445 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13446 (LIBCALL_VALUE): Use m68k_libcall_value.
13447 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13448 (MASK_COLDFIRE): Add MASK_CFV4E.
13449 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13450 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13451 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13452 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13453 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13454 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13455 * doc/invoke.tex: Document -mcfv4e on m68k.
13457 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13459 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13462 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13465 * c-opts.c (c_common_handle_option): Don't include
13466 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13467 * doc/invoke.texi (C++ Dialect Options): Document that
13468 -Wnon-virtual-dtor is no longer included in -Wall.
13470 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13472 * gcov.c (print_version), gcov-dump.c (print_version),
13473 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13476 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13478 * df-scan.c (problem_SCAN): Added NULL reset function.
13479 (df_scan_reset_blocks): Added code to call reset block function
13480 (df_bb_refs_delete) Fixed comment.
13481 (df_insn_refs_delete): Made tolerant of deleting non existent info
13482 for dataflow problems that need to be reset.
13483 * df-core.c (df_set_blocks): Ditto.
13484 * df.h (struct df_problem): Added reset_fun.
13485 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13486 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13487 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13488 functions to clear out all references to def-use or use-def chains.
13490 2006-01-21 Ben Elliston <bje@au.ibm.com>
13492 * varasm.c (assemble_real): Initialise data array.
13494 2006-01-20 Paul Brook <paul@codesourcery.com>
13496 Merge from csl-arm-branch.
13497 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13498 * config/arm/arm.md (movdi): Force operands[1] to a register
13499 if we have a non-register source.
13500 (*arm_movdi, *movdf_soft_insn): Require that one of the
13501 operands be a register.
13502 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13503 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13505 2006-01-20 DJ Delorie <dj@redhat.com>
13507 * varasm.c (initializer_constant_valid_p): Allow pointers
13508 initialized from integer constants of lesser precision.
13509 (output_constant): Allow non-int-sized pointer modes to be
13510 initialized from integer constants.
13512 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13515 * cppdefault.h (struct default_include): Add multilib flag.
13516 * cppdefault.c (cpp_include_defaults): Set it.
13517 * c.opt (-imultilib): New option.
13518 * c-opts.c (imultilib): New.
13519 (c_common_handle_option): Handle -imultilib.
13520 (c_common_post_options): Likewise.
13521 * c-incpath.c (add_standard_paths, register_include_chains):
13523 * c-incpath.h (register_include_chains): Add extra parameter.
13524 * gcc.c (do_spec_1): Generate -imultilib option.
13525 (The Specs Language): Update %I description.
13526 (process_command): Update copyright notice.
13527 * doc/cppopts.texi (-imultilib): Document.
13528 * doc/invoke.texi (-imultilib): Include in option summary.
13529 (%I): Update specs documentation.
13531 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13533 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13535 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13537 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13540 2006-01-20 Richard Guenther <rguenther@suse.de>
13541 Steven Bosscher <stevenb.gcc@gmail.com>
13543 PR rtl-optimization/24626
13544 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13545 EDGE_TRUE_VALUE if in RTL mode.
13548 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13549 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13551 2006-01-20 Dirk Mueller <dmueller@suse.com>
13554 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13555 instead of a special NOP marker.
13556 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13557 NOP marker handling.
13558 * c-common.h (empty_body_warning): Add forward declaration.
13559 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13560 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13562 2006-01-20 Paul Brook <paul@codesourcery.com>
13564 * Makefile.in (lang_checks): Keep going if mkdir fails.
13566 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13568 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13569 be able to clean out basic block when not necessary.
13570 (df_scan_free): Fixed to properly delete information if df is
13571 unused before calling df_finish.
13572 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13573 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13575 (df_bb_refs_delete): New function.
13576 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13577 * df-core.c (df_set_blocks): Added code to properly clean out
13578 unused blocks if they are not part of the blocks to consider.
13579 Added additional null check.
13580 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13581 be able to clean out basic block when not necessary
13582 * df.h (df_free_bb_function): Ditto.
13583 (df_bb_refs_delete): New function.
13584 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13585 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13586 basic block parameter to be able to clean out basic block when not
13588 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13589 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13590 Fixed to properly delete information if df is unused before
13593 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13595 PR rtl-optimization/25799
13596 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13597 Corrected confluence operator to remove bits from op2 before oring
13598 with op1 rather than removing bits from op1.
13599 (df_ru_transfer_function): Corrected test on wrong bitmap which
13600 caused infinite loop. Both of these problems were introduced in
13601 the dataflow rewrite.
13603 2006-01-19 DJ Delorie <dj@redhat.com>
13605 * reload1.c (find_reload_regs): Note the details of reload
13606 failures in the dump file.
13607 (spill_failure): Likewise.
13609 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13611 * loop-iv.c: Include df.h and hashtab.h.
13612 (enum iv_grd_result): New enum.
13613 (DF_REF_IV, DF_REF_IV_SET): New macros.
13614 (struct biv_entry): New.
13615 (df, bivs): New global variables.
13616 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13617 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13619 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13620 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13621 analyzed_for_bivness_p, record_biv): New functions.
13622 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13623 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13624 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13626 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13628 (iv_number_of_iterations): Use new interface to iv analysis.
13629 * loop-unroll.c: Do not include varray.h.
13630 (analyze_iv_to_split_insn): Use new interface to iv
13632 * loop-unswitch.c (may_unswitch_on): Ditto.
13633 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13635 (df_bb_modify): Realloc tables to the new index.
13636 (df_find_use): New function.
13637 * df.h (df_find_use): Declare.
13638 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13640 * cfgloop.h (struct rtx_iv): Remove analysed field.
13641 (iv_get_reaching_def): Removed.
13642 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13643 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13644 (loop-iv.o): Add df.h and hashtab.h dependency.
13645 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13647 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13650 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13652 (__floatundisf, __floatundidf): Likewise.
13653 * libgcc2.h (IS_IBM_EXTENDED): Define.
13655 2006-01-19 DJ Delorie <dj@redhat.com>
13657 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13659 2006-01-19 Paul Brook <paul@codesourcery.com>
13661 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13662 as nothrow when unwinding tables are disabled.
13664 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13667 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13668 of bit-field" when in system header.
13670 2006-01-19 DJ Delorie <dj@redhat.com>
13672 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13673 the 16 bit shift limit of the m16c.
13675 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13678 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13679 * config/i386/i386.c (output_set_got): Output the label if we have one
13680 for the TARGET_DEEP_BRANCH_PREDICTION case.
13682 2006-01-19 Jan Hubicka <jh@suse.cz>
13683 H.J. Lu <hongjiu.lu@intel.com>
13684 Evandro Menezes <evandro.menezes@amd.com>
13686 * invoke.texi (generic): Document
13688 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13689 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13690 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13691 (x86_use_incdec, x86_pad_returns): New variables
13692 (TARGET_CPU_DEFAULT_generic): New constant
13693 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13694 (enum processor_type): Add generic32 and generic64.
13695 * i386.md (cpu attribute): Add generic32/generic64
13696 (movhi splitter): Behave sanely when both partial_reg_dependency and
13697 partial_reg_stall are set.
13698 (K8 splitters): Enable for generic as well.
13699 * predicates.md (incdec_operand): Use TARGET_INCDEC
13700 (aligned_operand): Avoid memory mismatch stalls.
13701 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13702 * ppro.md: Enable for generic32
13703 * i386.c (generic64_cost, generic32_cost): New.
13704 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13705 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13706 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13707 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13708 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13709 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13710 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13711 x86_accumulate_outgoing_args, x86_prologue_using_move,
13712 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13713 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13714 Enable for generic.
13715 (x86_use_incdec, x86_pad_returns): New.
13716 (override_options): Add generic32 and generic64, translate "generic"
13717 to generic32/generic64 and "i686" to "generic32", refuse
13718 "generic32"/"generic64" as arch target.
13719 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13720 (ix86_reorg): Honor PAD_RETURNS.
13722 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13724 * tree-pretty-print.c (dump_generic_node): Handle
13725 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13726 * cgraph.c (cgraph_expand_queue): Rename from
13727 cgraph_analyze_queue. Update all users.
13728 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13729 cgraph_expand_queue.
13730 (cgraph_expand_all_functions): Likewise.
13731 (cgraph_finalize_pending_functions): Remove. Update callers.
13733 * tree.h (OMP_DIRECTIVE_P): Define.
13734 (OMP_PARALLEL_FN): Define.
13735 (OMP_PARALLEL_DATA_ARG): Define.
13736 (OMP_SECTIONS_SECTIONS): Define.
13737 * tree-pass.h (pass_expand_omp): Declare.
13738 * omp-low.c (struct omp_region): Declare.
13739 (struct omp_context): Remove fields 'parallel_type',
13740 'parallel_start_ix' and 'parallel_start_additional_args'.
13742 (struct omp_for_data): Rename from struct expand_omp_for_data.
13743 (omp_regions): New static variable.
13744 (root_omp_region): New static variable.
13745 (find_omp_clause): Make static.
13746 (is_in_combined_parallel_ctx): Remove.
13747 (is_combined_parallel): New.
13748 (extract_omp_for_data): Move earlier in the file.
13749 (workshare_safe_to_combine_p): New.
13750 (get_ws_args_for): New.
13751 (determine_parallel_type): Move earlier in the file.
13752 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13754 (omp_copy_decl): Likewise.
13755 (create_omp_child_function): Likewise.
13756 (lookup_omp_region): New.
13757 (dump_omp_region): New.
13758 (debug_omp_region): New.
13759 (debug_all_omp_regions): New.
13760 (new_omp_region): New.
13761 (scan_omp_parallel): If parallel_nesting_level > 1, the
13762 directive is nested within another parallel directive.
13763 Set OMP_PARALLEL_FN.
13764 (scan_omp_for): Do not try to handle combined parallel+for
13766 Remove FIXME comment.
13767 (scan_omp_nested): Remove.
13768 (scan_omp_1): Do not call scan_omp_nested when
13769 parallel_nesting_level is > 1.
13770 Do not change the DECL_CONTEXT of local variables found.
13771 (lookup_decl_in_outer_ctx): New.
13772 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13773 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13774 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13775 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13776 If CTX is nested, lookup VAR in the outer context when
13777 building copy assignment.
13778 (lower_send_clauses): Rename from expand_send_clauses.
13779 If CTX is nested, lookup VAR in the outer context when
13780 building copy assignments.
13781 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13782 If CTX is nested, lookup VAR in the outer context when
13783 building copy assignments.
13784 (expand_parallel_call): Rename from build_parallel_call.
13785 Handle combined parallel+workshare cases.
13786 Re-implement to emit code into the CFG.
13788 (expand_omp_parallel): Re-implement to emit code into the CFG.
13789 Call move_sese_region_to_fn to outline the sub-graph
13790 containing the parallel region.
13791 (expand_omp_for_1): Remove.
13792 (expand_omp_for_generic): Re-implement to emit code into the
13794 (expand_omp_for_static_nochunk): Likewise.
13795 (expand_omp_for_static_chunk): Likewise.
13796 (expand_omp_for): Likewise.
13797 (expand_omp_sections): Likewise.
13798 (remove_exit_barriers): New.
13799 (expand_omp_synch): New.
13801 (build_omp_regions_1): New.
13802 (build_omp_regions): New.
13803 (execute_expand_omp): New.
13804 (gate_expand_omp): New.
13805 (pass_expand_omp): Define.
13806 (lower_omp_sections): Rename from expand_omp_sections.
13807 Set OMP_SECTIONS_SECTIONS.
13808 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13809 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13810 (lower_omp_single): Rename from expand_omp_simple.
13811 (lower_omp_master): Rename from expand_omp_master.
13812 (lower_omp_ordered): Rename from expand_omp_ordered.
13813 (lower_omp_critical): Rename from expand_omp_critical.
13814 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13815 (lower_omp_for): Re-implement.
13816 (lower_omp_parallel): Re-implement.
13817 (lower_regimplify): Rename from expand_regimplify.
13818 (lower_omp_1): Rename from expand_omp_1.
13819 If there are syntax errors in the program, replace every
13820 OpenMP directive with NOP.
13821 Call lower_omp_* instead of expand_omp_*.
13822 (lower_omp): Rename from expand_omp.
13824 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13825 * tree-gimple.h (enum omp_parallel_type): Remove.
13826 (gimple_boolify): Declare extern.
13827 (find_omp_clause, determine_parallel_type): Remove.
13829 * gimple-low.c (lower_omp_directive): New.
13830 (lower_stmt): Call it.
13831 (record_vars_into): Move from ...
13832 (record_vars): ... here.
13833 Call record_vars_into with current_function_decl.
13835 * gimplify.c (struct gimplify_ctx): Remove fields
13836 combined_pre_p and combined_ctxp. Update users.
13837 (get_formal_tmp_var): Add documentation.
13838 (gimple_boolify): Make extern.
13839 (gimplify_expr_in_ctx): Remove. Update callers.
13840 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13841 will always be a BIND_EXPR.
13842 (gimplify_expr): Handle OMP_RETURN_EXPR.
13843 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13844 (OMP_PARALLEL): Add 3 operands.
13845 (OMP_SECTIONS): Add 1 operand.
13846 (OMP_RETURN_EXPR): Define.
13848 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13849 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13850 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13851 creating a circular free list.
13852 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13854 * tree-flow.h (move_sese_region_to_fn): Declare.
13855 (record_vars_into): Declare.
13856 * tree-cfg.c (make_omp_sections_edges): New.
13857 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13858 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13859 OMP_SECTIONS and OMP_SECTION.
13860 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13861 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13862 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13863 (gather_blocks_in_sese_region): New.
13864 (struct move_stmt_d): Declare.
13865 (move_stmt_r): New.
13866 (move_block_to_fn): New.
13867 (move_sese_region_to_fn): New.
13869 * passes.c (init_optimization_passes): Schedule
13870 pass_expand_omp after pass_init_datastructures.
13872 * tree-ssa-operands.c (get_expr_operands): Handle
13873 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13874 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13876 2006-01-19 Jeff Law <law@redhat.com>
13878 * tree-vrp.c (extract_range_from_assert): Refine the result range
13879 if the variable referenced by the ASSERT_EXPR has a range and
13880 either the tentative result range or the previous range is a
13883 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13885 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13887 2006-01-19 Jan Hubicka <jh@suse.cz>
13889 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13891 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13893 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13894 (expand_compound_operation, expand_field_assignment): Fail if the
13895 bit lengths of an extract operation are out of range.
13896 (make_extraction): Compute wanted_inner_mode based on the position
13897 and length of the extraction. Make it extraction_mode for non-constant
13898 positions, and do not modify offset in that case. When generating a
13899 new MEM, use a mode that can hold the extraction while keeping correct
13900 alignment. Remove code that supported MEMs wrapped by USEs.
13901 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13903 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13905 * config/s390/s390.md ("Y", "y"): New mode attribute.
13906 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13907 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13908 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13909 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13910 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13911 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13912 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13913 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13914 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13915 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13916 "addsi3", "subsi3"): Insn patterns removed.
13917 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13918 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13919 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13920 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13921 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13922 "*sub<mode>3_cconly2"): New insn patterns.
13923 ("addsi3", "subsi3"): New expanders.
13925 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13927 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13928 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13929 existing STMT_VINFO_VECTYPE if available.
13930 (vect_mark_relevant): Add special handling for stmts that are
13931 marked as STMT_VINFO_IN_PATTERN_P.
13932 (vect_analyze_loop): Call vect_pattern_recog.
13933 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13934 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13936 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13937 (vect_recog_func_ptr): New function-pointer type.
13938 * tree-vect-patterns.c: New file.
13939 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13940 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13941 (vect_pattern_recog_1): New functions.
13942 (vect_pattern_recog_funcs): New array of function pointers.
13944 * tree-vectorizer.h (ternary_op): New enum value.
13945 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13946 declaration. Revised documentation. Removed redundant dump prints.
13947 Removed redundant argument. Added support for reduction patterns.
13948 (vectorizable_reduction): Added support for reduction patterns.
13949 (vect_transform_stmt): Added support for patterns.
13951 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13952 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13953 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13954 (expand_widen_pattern_expr): New function.
13955 (init_optabs): Initialize new optabs udot_prod_optab,
13957 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13958 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13959 (expand_widen_pattern_expr): New function declaration.
13960 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13962 * tree-inline.c (estimate_num_insns_1): Added cases for new
13963 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13964 * tree-pretty-print.c (dump_generic_node): Likewise.
13965 (op_prio): Likewise.
13966 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13967 * tree-ssa-operands.c (get_expr_operands): Added case for
13969 * tree-vect-patterns.c (widened_name_p): New function.
13970 (vect_recog_dot_prod_pattern): Added function implementation.
13971 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13972 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13973 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13974 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13976 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13977 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13978 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13979 (init_optabs): Initialize new optabs widen_ssum_optab,
13981 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13982 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13983 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13984 use instead of type of def.
13985 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13986 function implementation.
13987 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13988 widen_ssumv8hi): New.
13990 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13993 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13996 * c-decl.c (add_flexible_array_elts_to_size): New function.
13997 (finish_decl): Use it.
13999 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14001 * diagnostic.h: Include options.h.
14002 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14003 dependancies for diagnostic.h.
14004 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14006 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14008 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14009 (ssa_ro_call_cache_valid): Ditto.
14010 * tree-ssa-alias.c (sort_tags_by_id): New function.
14011 (init_transitive_clobber_worklist): Ditto.
14012 (add_to_worklist): Ditto.
14013 (mark_aliases_call_clobbered): Ditto.
14014 (compute_tag_properties): Ditto.
14015 (set_initial_properties): Ditto.
14016 (compute_call_clobbered): Ditto.
14017 (compute_may_aliases): Call compute_call_clobbered and grouping.
14018 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14019 (compute_flow_insensitive_aliasing): Grouping now happens in our
14021 (setup_pointers_and_addressables): Remove clobbering related code.
14022 (add_may_alias): Ditto.
14023 (replace_may_alias): Ditto.
14024 (get_nmt_for): Ditto.
14025 (create_global_var):
14026 (is_escape_site): Return an escape_type enumeration.
14027 * tree-flow-inline.h (is_call_clobbered): Global var does not
14028 imply call clobbered.
14029 (mark_call_clobbered): Take a reason for marking this. Remove
14030 marking of globalness, and cache invalidation.
14031 (clear_call_clobbered): Remove cache invalidation code.
14032 * tree-dfa.c (dump_variable): If details is on, dump the reason
14034 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14036 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14037 (struct var_ann_d): Ditto.
14038 (enum escape_type): New.
14039 (mark_call_clobbered): Adjust prototype.
14040 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14041 are never call clobbered.
14042 Record reasons for escaping.
14043 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14044 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14045 (ssa_ro_call_cache_valid): Ditto.
14046 (clobbered_v_may_defs): Ditto.
14047 (clobbered_vuses): Ditto.
14048 (ro_call_vuses): Ditto.
14049 (clobber_stats): New.
14050 (init_ssa_operands): Zero out clobber stats.
14051 (fini_ssa_operands): Print out clobber stats.
14052 (get_call_expr_operands): Pass callee fndecl to
14053 add_call_read_ops).
14054 (add_call_clobber_ops): Remove use of cache.
14055 Add use of PURE_CONST information.
14056 (add_call_read_ops): Remove use of cache.
14057 Add use of static not_read information.
14059 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14061 Introduce TLS descriptors for i386 and x86_64.
14062 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14063 (TARGET_ANY_GNU_TLS): New macro.
14064 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14065 (struct machine_function): Add tls_descriptor_call_expanded_p.
14066 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14067 (ix86_current_function_calls_tls_descriptor): Likewise.
14068 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14069 (override_options): Introduce gnu2 tls dialect.
14070 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14072 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14074 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14075 (ix86_init_machine_status): Initialize new field.
14076 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14077 (ix86_tls_module_base): New.
14078 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14079 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14080 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14081 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14082 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14083 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14084 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14085 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14086 * config/i386/predicates.md (tls_modbase_operand): New.
14087 (tp_or_register_operand): New.
14089 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14091 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14092 (look_for_address_of): Ditto.
14093 (ipa_init): Walk the function decls.
14094 (static_execute): Don't set readonly on FUNCTION_DECL's.
14096 2006-01-18 Roger Sayle <roger@eyesopen.com>
14098 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14099 for shifts where the source and destination registers are different.
14101 2006-01-18 Paul Brook <paul@codesourcery.com>
14103 Merge from csl-arm-branch.
14104 2005-03-14 Julian Brown <julian@codesourcery.com>
14105 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14106 (aeabi_llsl): Likewise.
14107 (ashrdi3): Likewise.
14108 (aeabi_lasr): Likewise.
14109 (lshrdi3): Likewise.
14110 (aeabi_llsr): Likewise.
14111 2005-03-10 Julian Brown <julian@codesourcery.com>
14112 * config.gcc: Disable shared libgcc for SymbianOS.
14113 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14115 2006-01-18 DJ Delorie <dj@redhat.com>
14117 * c-pragma.c (handle_pragma_diagnostic): New.
14118 (init_pragma): Register it.
14119 * doc/extend.texi: Document it.
14121 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14122 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14123 (diagnostic_context): Add classify_diagnostic[].
14124 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14125 as errors if they're overridden to DK_WARNING.
14126 (diagnostic_initialize): Initialize classify_diagnostic[].
14127 (diagnostic_set_kind_override): New.
14128 (diagnostic_report_diagnostic): Check for kind changes.
14129 * opts.c (common_handle_option): Take lang_mask. Update callers.
14130 Handle OPT_Werror_.
14131 * common.opt (Werror=): New.
14132 * doc/invoke.texi: Document -Werror=*
14134 2006-01-18 Jeff Law <law@redhat.com>
14136 * tree-vrp.c (test_for_singularity): Correct test for new
14137 min limit. Use operand_equal_p rather than pointer equality
14138 for testing if new min/max values are equal.
14140 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14141 using range information until after propagation and folding.
14143 2006-01-18 Richard Henderson <rth@redhat.com>
14144 Aldy Hernandez <aldyh@redhat.com>
14145 Jakub Jelinek <jakub@redhat.com>
14146 Diego Novillo <dnovillo@redhat.com>
14148 * omp-low.c: New file.
14149 * c-omp.c: New file.
14151 2006-01-18 Richard Henderson <rth@redhat.com>
14152 Jakub Jelinek <jakub@redhat.com>
14153 Diego Novillo <dnovillo@redhat.com>
14155 * doc/invoke.texi: Document -fopenmp.
14156 * tree-dump.h (debug_function): Declare.
14157 * hooks.c (hook_bool_tree_bool_false): New function.
14158 (hook_tree_tree_null): Remove.
14159 (hook_tree_tree_tree_null): New.
14160 * hooks.h: Update to match.
14161 * tree-pretty-print.c (debug_tree_chain): New.
14162 (print_generic_expr): Handle TDF_CHAIN.
14163 (dump_generic_node): Handle BLOCK.
14164 Do not abort with incomplete SWITCH_EXPRs.
14165 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14166 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14167 print space after directive name.
14168 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14169 Handle OMP_MASTER and OMP_ORDERED.
14170 Handle printing of OMP_BODY just in one place, goto
14171 dump_omp_body in the rest of OMP_* nodes that have
14173 Don't handle clause nodes here. Update omp statements to
14174 use dump_omp_clauses.
14175 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14176 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14177 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14178 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14179 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14180 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14181 Adjust output for GOMP_PARALLEL.
14182 (dump_omp_clauses): New.
14183 (print_declaration): Dump DECL_VALUE_EXPR.
14184 (op_symbol_1): Split out of op_symbol.
14185 (dumping_stmts): Remove. Update all users.
14186 * cgraph.c (cgraph_analyze_queue): New.
14187 (cgraph_add_new_function): New.
14188 * cgraph.h (cgraph_analyze_queue): Declare.
14189 (cgraph_add_new_function): Declare.
14190 (cgraph_lower_function): Remove.
14191 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14192 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14193 and TYPE_P nodes in its default clause.
14194 (empty_body_p): New.
14195 (tree_range_check_failed): New.
14196 (build5_stat): New.
14197 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14198 OMP_CLAUSE_REDUCTION_MERGE,
14199 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14200 OMP_CLAUSE_PRIVATE_DEBUG,
14201 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14202 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14203 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14204 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14205 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14206 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14207 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14208 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14209 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14210 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14211 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14212 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14213 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14214 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14215 (TREE_RANGE_CHECK): New.
14216 (empty_body_p): Declare.
14217 (enum omp_clause_default_kind): New.
14218 (build_string_literal): Declare.
14219 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14220 (build5_stat, build5): Declare.
14221 * tree-pass.h (TDF_CHAIN): Define.
14222 * tree-pass.h (PROP_gimple_lomp): Define.
14223 (pass_lower_omp): Declare.
14224 * diagnostic.h (debug_tree_chain): Declare.
14225 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14227 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14228 * builtins.c (build_string_literal): Make extern.
14229 * gcc.c (include_spec_function): New.
14230 (static_spec_functions): Add it.
14231 (main): Move load of libgomp.spec ...
14232 (LINK_COMMAND_SPEC): ... here.
14233 (link_gomp_spec): New.
14234 (static_specs): Include it.
14235 (LINK_COMMAND_SPEC): Add link_gomp.
14236 (GOMP_SELF_SPECS): New.
14237 (driver_self_specs): Include it.
14238 (switch_matches): Don't mark inline.
14239 (main): Load libgomp.spec.
14240 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14241 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14242 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14243 * tree-gimple.h (enum omp_parallel): Declare.
14244 (determine_parallel_type): Declare.
14245 (omp_firstprivatize_variable): Declare.
14246 (omp_reduction_init): Declare.
14247 (diagnose_omp_structured_block_errors): Declare.
14248 (struct walk_stmt_info): Add want_return_expr.
14249 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14250 (find_omp_clause): Declare.
14251 (insert_field_into_struct): Declare.
14252 (struct walk_stmt_info): Move from tree-nested.c
14253 (walk_stmts): Declare.
14254 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14256 * cgraphunit.c (cgraph_lower_function): Make static.
14257 (cgraph_finalize_pending_functions): New.
14258 (cgraph_finalize_function): Call it.
14259 (cgraph_finalize_compilation_unit): Likewise.
14260 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14261 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14262 (BT_FN_UINT_UINT): New.
14263 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14264 DEF_FUNCTION_TYPE_VAR_4): Document.
14265 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14266 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14267 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14268 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14269 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14270 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14271 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14272 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14273 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14274 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14275 into separate files.
14276 (DEF_GOMP_BUILTIN): New.
14277 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14278 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14279 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14280 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14281 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14282 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14283 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14284 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14285 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14286 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14287 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14288 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14289 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14290 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14291 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14292 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14293 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14294 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14295 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14296 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14297 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14298 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14299 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14300 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14301 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14302 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14303 * sync-builtins.def: New file, moved from builtins.def.
14304 * omp-builtins.def: New file, moved from builtins.def.
14305 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14306 * gimple-low.c (lower_function_body): Clear data.
14307 (lower_stmt): Do not handle COMPOUND_EXPR.
14308 Remove call to print_node_brief.
14309 * c-tree.h (c_finish_omp_clauses): New prototype.
14310 (C_DECL_THREADPRIVATE_P): Define.
14311 (lookup_name_no_remap, c_omp_remap_private): Remove
14312 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14313 (check_for_loop_decls): Update decl.
14314 (lookup_name_no_remap, c_omp_remap_private): Declare.
14315 (build_indirect_ref, build_modify_expr, pushdecl,
14316 pushdecl_top_level): Move to c-common.h.
14317 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14318 before the switch, but just in the 2 places that need it.
14319 * c-decl.c (diagnose_mismatched_decls): Do not check for
14320 mismatched thread-local attributes when OLDDECL is marked
14321 threadprivate and NEWDECL has no thread-local attributes.
14322 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14323 (c_gimple_diagnostics_recursively): Rename from
14324 c_warn_unused_result_recursively. Invoke
14325 diagnose_omp_structured_block_errors.
14326 (check_for_loop_decls): Return a singular decl found.
14327 * langhooks.c (lhd_omp_predetermined_sharing): Return
14328 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14329 (lhd_omp_firstprivatize_type_sizes): New.
14330 (lhd_omp_assignment): New.
14331 (lhd_omp_predetermined_sharing): New.
14332 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14333 (struct lang_hooks_for_types): Add
14334 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14335 omp_predetermined_sharing, omp_disregard_value_expr,
14336 omp_private_debug_clause, omp_clause_default_ctor,
14337 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14338 (c_finish_omp_clauses): New.
14339 (c_finish_bc_stmt): Diagnose break within omp for.
14340 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14341 (build_unary_op): Return error_mark after reporting
14343 (build_modify_expr): Likewise.
14344 * gimplify.c: Include optabs.h and pointer-set.h.
14345 (enum gimplify_omp_var_data): Declare.
14346 (struct gimplify_omp_ctx): Declare.
14347 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14349 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14350 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14351 (splay_tree_compare_decl_uid): New.
14352 (new_omp_context): New.
14353 (delete_omp_context): New.
14354 (gimple_add_tmp_var): Call omp_add_variable.
14355 (gimplify_bind_expr): Likewise.
14356 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14357 true, disregard DECL_VALUE_EXPR on the decl if any.
14358 (gimplify_expr_in_ctx): New.
14359 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14360 omp_add_variable, omp_notice_variable, omp_is_private
14361 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14362 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14363 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14364 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14365 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14366 gimplify_omp_atomic): New.
14367 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14368 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14369 OMP_CRITICAL and OMP_ATOMIC.
14370 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14371 * c-pragma.h (enum pragma_kind): Add
14372 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14373 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14374 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14375 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14376 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14377 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14378 PRAGMA_OMP_THREADPRIVATE.
14379 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14380 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14381 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14382 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14383 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14384 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14385 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14386 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14387 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14388 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14389 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14390 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14391 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14393 (struct nesting_info): Add field_map,
14394 suppress_expansion, debug_var_chain.
14395 (create_nesting_tree): Initialize them.
14396 (lookup_field_for_decl): Use field_map.
14397 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14398 (convert_local_omp_clauses): New.
14399 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14400 (walk_body): Split out of walk_function.
14401 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14402 (convert_nonlocal_reference): Handle omp statements.
14403 (convert_local_reference): Likewise.
14404 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14405 (unnest_nesting_tree): New.
14406 (lower_nested_functions): Call it.
14407 (insert_field_into_struct): Make extern.
14408 (struct walk_stmt_info): Move to tree-gimple.h.
14409 (walk_stmts): Make extern.
14410 * omp-builtins.def: New file.
14411 * tree-iterator.c (expr_only): Clarify comment.
14412 * c-common.h (pushdecl_top_level, pushdecl,
14413 build_modify_expr, build_indirect_ref,
14414 c_finish_omp_master, c_finish_omp_critical,
14415 c_finish_omp_ordered, c_finish_omp_barrier,
14416 c_finish_omp_atomic, c_finish_omp_flush,
14417 c_finish_omp_for, c_split_parallel_clauses,
14418 omp_clause_default_kind, c_omp_sharing_predetermined,
14419 c_omp_remap_decl): Declare.
14420 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14421 (OBJS-common): Add omp-low.o.
14422 (c-omp.o, omp-low.o): Add.
14423 (gimplify.o): Add dependency on $(OPTABS_H).
14424 (GTFILES): Add omp-low.c.
14425 (gt-stringpool.h): Add.
14426 * tree-cfg.c (set_bb_for_stmt): Do not update the
14427 block-to-labels map if we are currently expanding to RTL.
14428 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14430 Handle IDENTIFIER_NODE.
14431 (tree_verify_flow_info): Do not ICE when emitting error
14432 messages about invalid labels.
14433 (dump_function_to_file): Reset CFUN before emitting the body
14435 (debug_function): New.
14436 * passes.c (init_optimization_passes): Schedule
14438 * langhooks-def.h (lhd_omp_predetermined_sharing,
14439 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14441 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14442 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14443 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14444 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14445 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14446 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14447 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14448 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14449 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14450 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14451 (LANG_HOOK_DECLS): Use them.
14453 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14454 Richard Henderson <rth@redhat.com>
14455 Jakub Jelinek <jakub@redhat.com>
14456 Diego Novillo <dnovillo@redhat.com>
14458 * c-parser.c (pragma_omp_clause): Define.
14459 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14460 (c_parser_compound_statement): Likewise.
14461 (c_parser_statement): Likewise.
14462 (c_parser_pragma): Handle omp pragmas.
14463 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14464 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14465 (c_parser_omp_clause_name, check_no_duplicate_clause,
14466 c_parser_omp_variable_list,
14467 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14468 c_parser_omp_clause_copyprivate,
14469 c_parser_omp_clause_default,
14470 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14471 c_parser_omp_clause_lastprivate,
14472 c_parser_omp_clause_nowait,
14473 c_parser_omp_clause_num_threads,
14474 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14475 c_parser_omp_clause_reduction,
14476 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14477 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14478 c_parser_omp_atomic, c_parser_omp_barrier,
14479 c_parser_omp_critical, c_parser_omp_flush,
14480 c_parser_omp_for_loop, c_parser_omp_for,
14481 c_parser_omp_master, c_parser_omp_ordered,
14482 c_parser_omp_sections_scope, c_parser_omp_sections,
14483 c_parser_omp_parallel, c_parser_omp_single,
14484 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14485 * c-pragma.c (init_pragma): Do omp pragma registration here.
14486 * c.opt (fopenmp): New flag.
14488 2006-01-18 Eric Christopher <echristo@apple.com>
14490 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14491 * config/darwin.h (GOMP_SELF_SPECS): Define.
14493 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14495 * rtl.h: Remove the prototype for reg_alloc.
14497 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14500 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14501 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14502 sjlj and dwarf2 exception handling.
14503 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14504 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14505 * pa/pa.c (function_value): Treat complex and vector types as
14507 (function_arg): Likewise. Only pass scalar floats in the floating
14508 point argument registers.
14509 * pa/t-slibgcc-dwarf-ver: New file.
14510 * pa/t-slibgcc-sjlj-ver: New file.
14511 * pa/t-slibgcc-elf-ver: Delete file.
14513 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14515 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14516 unlikely_test_section_p test.
14518 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14520 * mode-switching.c (optimize_mode_switching): Make it static.
14521 * basic-block.h: Remove the prototype for
14522 optimize_mode_switching.
14524 * modulo-sched.c (sms_schedule): Make it static.
14525 * rtl.h: Remove the prototype for sms_schedule.
14527 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14528 * rtl.h: Remove the prototype for gcse_after_reload_main.
14530 * reg-stack.c (reg_to_stack): Make it static.
14531 * rtl.h: Remove the prototype for reg_to_stack.
14533 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14535 * rtl.h: Remove the prototypes for regrename_optimize and
14536 copyprop_hardreg_forward.
14538 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14540 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14541 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14542 Test against the appropriate null constant for the mode.
14543 If 'fixup_overlap' is true, swap the operands if they overlap.
14544 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14545 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14546 alpha_split_tmode_pair and adjust for above change.
14547 * config/alpha/alpha.md (movtf_internal): Adjust call to
14548 alpha_split_tfmode_pair and rely on it to swap the operands.
14549 (movti_internal): New insn and post-reload splitter.
14550 (movti): New expander.
14552 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14554 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14557 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14559 * rtlanal.c (global_reg_mentioned_p_1,
14560 global_reg_mentioned_p): Remove.
14561 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14563 * flow.c (initialize_uninitialized_subregs): Make it static.
14564 * rtl.h: Remove the prototype for
14565 initialize_uninitialized_subregs.
14567 * function.c (instantiate_virtual_regs): Make it static.
14568 * function.h: Remove the prototype for
14569 instantiate_virtual_regs.
14571 * regmove.c (regmove_optimize, combine_stack_adjustments):
14573 * rtl.h: Remove the prototypes for regmove_optimize and
14574 combine_stack_adjustments.
14576 2006-01-17 Roger Sayle <roger@eyesopen.com>
14578 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14579 (size_cost): Encode costs in bytes so that a reg-reg addition is
14580 equivalent to COSTS_N_INSNS(1).
14581 (override_options): Use the size_cost.branch_cost as the default
14582 ix86_branch_cost when optimizing for size.
14584 2006-01-18 Ben Elliston <bje@au.ibm.com>
14586 * Makefile.in (D32PBIT_FUNCS): New.
14587 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14588 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14589 D64PBIT_FUNCS and D128PBIT_FUNCS.
14590 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14591 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14593 (decnumber_dep): Define.
14594 * doc/libgcc.texi (Decimal float library routines): New node.
14595 * config/dfp-bit.h, config/dfp-bit.c: New files.
14597 2006-01-18 Ben Elliston <bje@au.ibm.com>
14599 * expr.c (emit_move_change_mode): Always adjust addresses, not
14600 just during reload. Copy replacements only during reload.
14601 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14602 emit_move_via_integer.
14604 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14606 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14607 instead of $(srcdir) and ${srcdir}.
14609 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14612 PR middle-end/11135
14613 * arm.h (struct machine_function): Add pic_reg.
14614 * arm.c (arm_pic_register): Make unsigned.
14615 (arm_override_options): Only set arm_pic_register if
14616 TARGET_SINGLE_PIC_BASE.
14617 (use_return_insn): Only test for a pic register if it is fixed.
14618 (arm_compute_save_reg0_reg12_mask): Likewise.
14619 (thumb_compute_save_reg_mask): Likewise.
14620 (legitimate_pic_operand): Factor out some known invariants.
14621 (legitimize_pic_address): If we don't have a fixed pic register,
14622 then set up a pseudo in the function entry sequence. Handle the
14623 pic base being in a pseudo.
14624 (arm_load_pic_register): Handle the pic register being in a pseudo.
14625 (arm_expand_prologue): Only set up the pic register if it is fixed.
14626 (thumb_expand_prologue): Likewise.
14627 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14628 (pic_load_addr_based_insn): Likewise.
14629 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14632 2006-01-18 Ben Elliston <bje@au.ibm.com>
14634 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14635 decimal float modes for all floating point registers.
14637 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14638 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14640 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14643 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14644 even when the pointer is not NULL.
14646 2006-01-16 Ian Lance Taylor <ian@airs.com>
14648 * common.opt (ftoplevel-reorder): New option.
14649 * cgraph.c (cgraph_asm_nodes): New global variable.
14650 (cgraph_asm_last_node): New static variable.
14651 (cgraph_order): New global variable.
14652 (cgraph_create_node): Set new order field.
14653 (cgraph_varpool_node): Likewise.
14654 (decide_is_variable_needed): Return true if not
14655 flag_toplevel_reorder.
14656 (cgraph_add_asm_node): New function.
14657 * cgraph.h (struct cgraph_node): Add order field.
14658 (struct cgraph_varpool_node): Add order field.
14659 (struct cgraph_asm_node): Define.
14660 (cgraph_asm_nodes, cgraph_order): Declare.
14661 (cgraph_add_asm_node): Declare.
14662 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14664 (cgraph_varpool_assemble_pending_decls): Call it.
14665 (cgraph_output_pending_asms): New static function.
14666 (cgraph_finalize_compilation_unit): Call it.
14667 (struct cgraph_order_sort): Define.
14668 (cgraph_output_in_order): New static function.
14669 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14670 !flag_toplevel_reorder case.
14671 * c-parser.c: Include "cgraph.h".
14672 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14674 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14675 than -fno-unit-at-a-time.
14676 * doc/invoke.texi (Option Summary): Mention
14677 -fno-toplevel-reorder.
14678 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14679 -funit-at-a-time documentation.
14681 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14682 Kazu Hirata <kazu@codesourcery.com>
14684 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14686 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14688 * Makefile.in (FUNCTION_H): New. Use it instead of
14689 function.h throughout the file.
14690 * function.h: Include tree.h.
14692 2006-01-17 Ben Elliston <bje@au.ibm.com>
14694 * recog.c: Separate some functions with whitespace.
14696 2006-01-16 Richard Henderson <rth@redhat.com>
14698 Merge from gomp branch:
14699 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14700 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14701 and rename from struct inline_data. Rename callee* to dst*;
14702 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14703 transform_new_cfg, transform_return_to_modify, and
14704 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14706 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14707 (copy_decl_for_dup): Remove.
14708 * tree-inline.c (struct inline_data): Move to header.
14709 (insert_decl_map): Export.
14710 (remap_decl): Update for member name changes. Use copy_decl hook.
14711 Allow for replacement to be a non-decl. Remove dead code.
14712 (remap_type_1): Check for existing mapping.
14713 (remap_type): Export.
14714 (remap_decls): Update for member name changes.
14715 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14716 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14717 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14718 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14719 (tree_function_versioning, build_duplicate_type): Likewise.
14720 (copy_body_r): Likewise. Export.
14721 (copy_decl_for_dup): Split into ...
14722 (copy_decl_for_dup_finish, copy_decl_to_var,
14723 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14724 (replace_ref_tree, inlining_p): Remove.
14726 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14728 * ifcvt.c (if_convert): Make it static.
14729 * rtl.h: Remove the prototype for if_convert.
14731 * local-alloc.c (local_alloc): Make it static.
14732 * rtl.h: Remove the prototype for local_alloc.
14734 * loop.c (loop_optimize): Make it static.
14735 * cfgloop.h: Remove the prototype for loop_optimize.
14738 2006-01-16 DJ Delorie <dj@redhat.com>
14740 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14743 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14745 * pa.md: Disparage copies between general and floating-point registers
14746 in 32-bit move patterns.
14748 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14751 * Makefile.in (check-%): Depend on site.exp instead of
14752 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14757 * global.c (global_alloc): Make it static.
14758 * rtl.h: Remove the prototype for global_alloc.
14760 2006-01-16 Richard Guenther <rguenther@suse.de>
14762 * tree-ssa-alias.c (struct used_part): Add write_only field.
14763 (get_or_create_used_part_for): Initialize it to true.
14764 (create_overlap_variables_for): Don't create structure variables
14765 for structures that only are written to.
14766 (find_used_portions): Handle MODIFY_EXPR to track whether a
14767 structure is only written to.
14769 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14771 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14773 * basic-block.h: Remove the prototype for
14774 partition_hot_cold_basic_blocks.
14776 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14778 * cppspec.c (lang_specific_spec_functions): Remove.
14779 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14780 * gcc.h (lang_specific_spec_functions): Remove.
14781 * gccspec.c (lang_specific_spec_functions): Remove.
14783 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14785 * combine.c (record_value_for_reg): Invalidate registers
14787 (record_dead_and_set_regs_1): Likewise, by passing them to
14788 record_value_for_reg.
14789 (record_dead_and_set_regs): Invalidate stores made by a
14790 call. We do not combine across a call, but we still
14791 relied on equivalences.
14793 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14795 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14796 vrp_int_const_binop returning non-constant nodes.
14798 2006-01-16 Paul Brook <paul@codesourcery.com>
14800 * config/m68k/m68k.c (output_move_const_into_data_reg):
14801 Output correct mnemonic for mvz and mvs.
14803 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14805 * rtl-factoring.c: Add sequence abstraction algorithm.
14806 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14807 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14809 (block_has_preserve_label): New function.
14810 * common.opt: Register new pass.
14811 * Makefile.in: Ditto.
14813 * timevar.def: Ditto.
14814 * tree-pass.h: Ditto.
14815 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14816 * rtl.h (make_jump_insn_raw): Add forward decl.
14817 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14819 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14820 Roger Sayle <roger@eyesopen.com>
14822 * fold-const.c (fold_minmax): New static function.
14823 (fold_binary) <MIN_EXPR>: Call it.
14824 <MAX_EXPR>: Likewise.
14825 * stor-layout.c (place_field): Use DECL_SIZE consistently
14826 in the computation of the new record size.
14828 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14830 * cse.c (cse_condition_code_reg): Make it static.
14831 * rtl.h: Remove the prototype for cse_condition_code_reg.
14833 * combine.c (combine_instructions): Make it static.
14834 * rtl.h: Remove the prototype for combine_instructions.
14836 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14839 * tree.c (get_file_function_name_long): Concatenate the first global
14840 object name with a string derived from the input filename of the object
14843 2006-01-16 Ben Elliston <bje@au.ibm.com>
14845 * config/i386/winnt-stubs.c: Update FSF address.
14846 * config/xtensa/ieee754-df.S: Ditto.
14847 * config/xtensa/ieee754-sf.S: Ditto.
14849 2006-01-14 Ian Lance Taylor <ian@airs.com>
14851 * ifcvt.c (noce_init_if_info): New static function, broken out of
14852 noce_process_if_block.
14853 (noce_process_if_block): Call noce_init_if_info.
14854 (check_cond_move_block): New static function.
14855 (cond_move_process_if_block): New static function.
14856 (process_if_block): Call cond_move_process_if_block.
14858 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14860 * cselib.c (hash_table): Rename to cselib_hash_table.
14861 (cselib_clear_table, discard_useless_values,
14862 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14863 cselib_init, cselib_finish): Adjust uses of hash_table.
14865 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14867 PR tree-optimization/25485
14868 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14869 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14870 is known to be false and true, respectively.
14872 2006-01-14 Richard Guenther <rguenther@suse.de>
14874 PR tree-optimization/22548
14875 PR tree-optimization/22555
14876 PR tree-optimization/22501
14877 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14878 * params.def (salias-max-array-elements): New parameter.
14879 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14880 * doc/invoke.texi (salias-max-array-elements): Document.
14881 * tree-flow-inline.h (var_can_have_subvars): We also handle
14883 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14885 * tree-ssa-structalias.c (params.h): Include.
14886 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14887 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14888 (get_constraint_for): For ADDR_EXPR operating on something
14889 containing an ARRAY_REF, add all subvars to the solution.
14890 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14891 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14892 for creating MUST_DEFs.
14893 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14895 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14897 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14899 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14900 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14901 number_of_iterations_le): New functions.
14902 (number_of_iterations_special): Removed.
14903 (number_of_iterations_exit): Do not use number_of_iterations_special.
14904 * tree.c (unsigned_type_for): Always return integer type.
14906 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14907 Richard Guenther <rguenther@suse.de>
14909 PR rtl-optimization/24257
14910 * gcse.c (find_moveable_store): Only consider a store movable
14911 when the SET_SRC of the insn can be assigned to a register.
14913 2006-01-14 Ian Lance Taylor <ian@airs.com>
14915 * tree.c (tree_not_class_check_failed): New function.
14916 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14917 (tree_not_class_check_failed): Declare.
14919 2006-01-13 Ian Lance Taylor <ian@airs.com>
14921 * reload1.c (do_output_reload): Add assertion rejecting a
14924 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14926 * combine.c (struct reg_stat): Add new fields truncation_label and
14928 (record_value_for_reg): Reset truncated_to_mode.
14929 (record_truncated_value): New function.
14930 (check_promoted_subreg): Call it. Rename to check_conversions.
14931 (combine_instructions): Rename check_promoted_subreg to
14933 (reg_truncated_to_mode): New function.
14934 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14935 (gen_lowpart_or_truncate): New function.
14936 (force_to_mode): Use it instead of gen_lowpart.
14938 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14940 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14941 VAR is a tag, not its type tag.
14943 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14945 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14946 alternatives to match style of other entries.
14947 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14949 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14951 PR tree-optimization/25771
14952 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14955 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14958 * tree-inline.c (declare_return_variable): If the return variable
14959 was marked as a non gimple complex, set the return slot variable
14960 to be a non gimple comple variable.
14962 2006-01-13 Richard Guenther <rguenther@suse.de>
14964 * builtins.c (expand_builtin_sincos): New function.
14965 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14967 (expand_builtin): Expand sincos using expand_builtin_sincos.
14969 2006-01-12 DJ Delorie <dj@redhat.com>
14971 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14972 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14973 so that constant shifts can be split.
14974 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14975 (m32c_valid_pointer_mode): Make static.
14976 (shift_gen_func_for): New.
14977 (m32c_prepare_shift): Use it. Split large const shifts into
14979 * config/m32c/predicates.md (shiftcount_operand): Allow more
14981 (longshiftcount_operand): New.
14982 * doc/md.texi (Machine Constraints): Document In6.
14984 2006-01-13 Ben Elliston <bje@au.ibm.com>
14986 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14987 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14990 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14992 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14993 to try to avoid clobbering pieces of structures when we know
14994 something about the whole structure.
14995 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14997 2006-01-13 Ben Elliston <bje@au.ibm.com>
14999 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15000 return in memory, as this is no limitation is no longer present.
15002 2006-01-12 DJ Delorie <dj@redhat.com>
15004 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15005 mova with fb, and for fb+0 -> An.
15007 * config/m32c/mov.md (peephole2): Fix enabling logic.
15009 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15010 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15011 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15012 FINI_ARRAY_SECTION_ASM_OP): Define.
15014 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15016 (m32c_legitimize_reload_address): New logic to reload FB to An.
15017 (m32c_output_reg_push): Add newline.
15018 (m32c_output_reg_pop): Likewise.
15020 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15022 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15024 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15026 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15028 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15030 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15033 2006-01-11 Ben Elliston <bje@au.ibm.com>
15035 * rtlanal.c (find_reg_note): Assert insn is not null.
15037 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15039 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15042 2006-01-11 Jeff Law <law@redhat.com>
15044 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15046 (mark_threaded_blocks, register_jump_thread): New functions.
15047 (thread_through_all_blocks): Remove unwanted argument. No
15048 longer rely on e->aux to communicate thread target info.
15049 Call mark_threaded_blocks. Release the threaded_blocks
15050 bitmap and threaded_edges vector when complete.
15051 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15052 (threaded_blocks): Remove.
15053 (tree_ssa_dominator_optimize): Remove initialization and
15054 finalization of threaded_blocks. Simplify call to
15055 thread_through_all_blocks.
15056 (thread_across_edge): Call register_jump_thread rather than
15057 storing thread information into e->aux.
15058 (free_all_edge_infos): Simplify now that e->aux is no longer
15059 used to communicate with thread_through_all_blocks.
15060 * tree-flow.h (thread_through_all_blocks): Update prototype.
15061 (register_jump_thread): Prototype.
15063 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15065 * df-core.c (df_compact_blocks, df_bb_replace): Use
15066 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15068 2006-01-11 Richard Guenther <rguenther@suse.de>
15070 PR tree-optimization/25734
15071 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15072 stop propagation after successful propagation to the LHS.
15074 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15076 * basic-block.h (control_flow_graph): Change the type of
15077 x_basic_block_info to VEC(basic_block,gc) *.
15078 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15080 (SET_BASIC_BLOCK): New.
15081 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15082 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15083 * cfgbuild.c (find_basic_blocks): Likewise.
15084 * cfglayout.c (fixup_reorder_chain): Likewise.
15085 * cfgrtl.c (create_basic_block_structure,
15086 rtl_create_basic_block): Likewise.
15087 * ifcvt.c (find_if_case_1): Likewise.
15088 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15091 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15093 * Makefile.in: Removed rotted odf.c entry.
15095 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15098 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15099 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15100 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15101 output pattern modifier, not %e.
15102 * config/cris/cris.c (cris_op_str): Update comment about pattern
15104 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15105 before falling through into...
15106 <case 'E'>: Redefined from old 'e' case.
15108 2006-01-11 Jan Hubicka <jh@suse.cz>
15111 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15113 2006-01-11 Jan Hubicka <jh@suse.cz>
15115 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15116 * i386.c (x86_decompose_lea): Kill.
15117 (ix86_rtx_costs): Kill.
15119 2006-01-11 Jan Hubicka <jh@suse.cz>
15121 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15122 * cgraph.h (cgraph_node): Add inline_decl.
15123 (cgraph_insert_node_to_hashtable): Declare.
15124 (save_inline_function_body): Declare.
15125 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15127 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15128 (cgraph_function_versioning): Update call of tree_function_versioning.
15129 (save_inline_function_body): New function.
15130 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15131 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15132 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15133 (cgraph_default_inline_p): Likewise.
15134 (cgraph_decide_inlining_incrementally): Likewise.
15135 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15136 (copy_bb): Kill saving; do updating of clones.
15137 (copy_cfg_body): Kill saving.
15138 (initialize_inlined-parameters): Likewise.
15139 (expand_call_inline): Likewise.
15141 (tree_function_versioning): New parameter "update_clones".
15142 (inlining_p): Kill saving.
15143 * tree-inline.h (tree_function_versioning): Update prototype.
15144 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15147 2006-01-11 Ian Lance Taylor <ian@airs.com>
15149 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15150 Allow undoing set of machine mode.
15151 (do_SUBST): Use enums instead of is_int.
15152 (do_SUBST_MODE): New function.
15153 (SUBST_MODE): New macro.
15154 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15155 reg and trying to replace reg_regno_rtx with a new register.
15156 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15157 (simplify_set): Use SUBST_MODE.
15158 (distribute_notes): Remove code that tried to update reg notes
15159 for regno_reg_rtx changes.
15161 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15163 PR tree-optimization/23109
15164 PR tree-optimization/23948
15165 PR tree-optimization/24123
15167 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15168 * tree-cfg.c (single_noncomplex_succ): New.
15169 * tree-flow.h (single_noncomplex_succ): Declare it.
15170 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15171 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15172 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15173 insert_bb, register_division_in, insert_reciprocals,
15174 replace_reciprocal, free_bb): New.
15175 (execute_cse_reciprocals_1): Rewritten.
15176 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15177 Do not commit any edge insertion. Always compute dominators and
15178 create the allocation pool.
15179 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15180 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15181 * targhooks.c (default_min_divistions_for_recip_mul): New.
15182 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15183 * passes.c (init_optimization_passes): Run recip after tree loop
15185 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15187 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15188 Kenneth Zadeck <zadeck@naturalbridge.com>
15190 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15191 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15192 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15193 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15194 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15195 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15196 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15197 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15198 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15199 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15200 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15201 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15202 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15203 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15204 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15205 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15206 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15207 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15208 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15209 DF_SCAN_POST_ALLOC): New macros.
15210 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15211 df_free_bb_function, df_local_compute_function, df_init_function,
15212 df_dataflow_function, df_confluence_function_0,
15213 df_confluence_function_n, df_transfer_function,
15214 df_finalizer_function, df_free_function, df_dump_problem_function,
15215 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15216 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15217 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15218 df_urec_bb_info, ) New types.
15219 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15221 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15222 df_analyze_simple_change_some_blocks,
15223 df_analyze_simple_change_one_block, df_compact_blocks,
15224 df_bb_replace, df_bb_regno_last_use_find,
15225 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15226 df_insn_regno_def_p, df_find_def, df_find_use,
15227 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15228 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15229 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15230 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15231 debug_df_chain, df_get_dependent_problem, df_chain_create,
15232 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15233 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15234 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15235 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15236 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15237 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15238 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15239 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15240 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15241 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15242 df_reorganize_refs, df_set_state, df_hard_reg_init,
15243 df_read_modify_subreg_p) New public functions.
15244 * df-core.c: The core dataflow solver and glue routines for rtl
15246 (df_init, df_add_problem, df_set_blocks, df_finish,
15247 df_hybrid_search_forward, df_hybrid_search_backward,
15248 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15249 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15250 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15251 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15252 df_reg_defined, df_find_use, df_reg_used, df_dump,
15253 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15254 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15255 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15256 debug_df_useno, reset_df_after_reload): New functions.
15257 * df-scan.c: The scanning fuctions, once in df.c, completely
15258 rewritten so that they now fully model the functionality of
15259 register usage at the backend.
15260 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15261 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15262 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15263 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15264 df_get_artificial_defs, df_get_artificial_uses,
15265 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15266 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15267 df_refs_delete, df_reorganize_refs, df_set_state,
15268 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15269 df_def_record_1, df_defs_record, df_uses_record,
15270 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15271 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15272 df_record_exit_block_uses, df_hard_reg_init): New functions.
15274 * df-problems.c: Seven concrete dataflow problems that use the
15275 scanning in df-scan.c and are solved by the engine in df-core.c.
15276 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15277 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15278 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15279 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15280 df_ru_free_bb_info, df_ru_alloc,
15281 df_ru_bb_local_compute_process_def,
15282 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15283 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15284 df_ru_transfer_function, df_ru_free, df_ru_dump,
15285 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15286 df_rd_free_bb_info, df_rd_alloc,
15287 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15288 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15289 df_rd_transfer_function, df_rd_free, df_rd_dump,
15290 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15291 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15292 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15293 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15294 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15295 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15296 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15297 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15298 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15299 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15300 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15301 df_urec_mark_reg_use_for_earlyclobber,
15302 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15303 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15304 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15305 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15306 df_chain_create_bb_process_use, df_chain_create_bb,
15307 df_chain_finalize, df_chain_free, df_chains_dump,
15308 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15309 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15310 df_reg_lifetime): New functions.
15311 * df.c: Deleted file.
15312 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15313 consistent with new df api.
15314 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15315 rest_of_handle_sms): Ditto.
15316 * web.c (unionfind_union, union_defs, entry_register, web_main):
15318 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15319 invariant_expr_equal_p, find_defs, check_dependencies,
15320 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15321 free_inv_motion_data, move_loop_invariants): Ditto.
15322 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15323 Update dependencies.
15324 (odf.c): Added defective entry that was deleted later in day.
15325 * sched-deps.c (sched_analyze_1): Ditto.
15327 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15329 * tree-ssa-operands.c (get_expr_operands): Record addressable
15330 variables directly. Do not call add_stmt_operands for CONST_DECLs
15332 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15333 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15335 2006-01-11 Ben Elliston <bje@au.ibm.com>
15337 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15338 function returns true in the positive case.
15340 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15343 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15344 for SI, DI, SF and DF modes. Add alternatives to copy between
15345 general and floating point registers to the 32-bit patterns.
15346 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15347 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15348 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15349 generating 64-bit code.
15350 * config/pa/pa.c (output_move_double): Handle copies between general
15351 and floating registers.
15353 2006-01-10 Stuart Hastings <stuart@apple.com>
15355 * config/i386/i386.md (set_got): Update.
15356 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15357 (builtin_setjmp_receiver): Mach-O support.
15358 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15359 (GOT_SYMBOL_NAME): Define.
15360 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15361 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15362 * config/i386/i386.c (override_options): Revise for Darwin.
15363 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15364 support. (darwin_x86_file_end): New. (output_set_got): Add label
15365 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15366 * config/i386/i386-protos.h (output_set_got): Likewise.
15367 * config/darwin.c (machopic_legitimize_pic_address): Update
15370 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15372 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15373 when MODE isn't BLKmode.
15375 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15377 PR rtl-optimization/25367
15378 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15380 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15383 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15384 for a negative bound.
15386 2006-01-10 Richard Guenther <rguenther@suse.de>
15388 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15389 Never override with anything constraint.
15391 2006-01-10 Jan Beulich <jbeulich@novell.com>
15393 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15394 256 bits when optimize_size.
15396 2006-01-10 Jan Beulich <jbeulich@novell.com>
15398 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15400 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15401 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15404 2006-01-10 Ben Elliston <bje@au.ibm.com>
15406 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15408 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15409 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15410 (USE_FP_FOR_ARG): Reject decimal float modes.
15411 (function_arg_advance): Likewise.
15412 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15413 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15414 point types in AltiVec vectors.
15415 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15416 (rs6000_libcall_value): Likewise.
15418 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15420 * config/xtensa/ieee754-df.S: New file.
15421 * config/xtensa/ieee754-sf.S: New file.
15422 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15423 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15424 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15426 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15428 * config/sh/predicates.md (binary_float_operator,
15429 binary_logical_operator, commutative_float_operator,
15430 equality_comparison_operator, greater_comparison_operator,
15431 less_comparison_operator, logical_operator,
15432 noncommutative_float_operator, shift_operator,
15433 symbol_ref_operand, unary_float_operator): Remove redundant
15436 2006-01-09 Jeff Law <law@redhat.com>
15438 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15439 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15440 now unused arguments. Callers updated.
15441 (eliminate_redundant_computations): Remove now unused arguments,
15443 (local_fold): Remove, no longer used.
15444 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15446 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15447 (simplify_cond): New function.
15448 (forward_propagate_into_cond): Call simplify_cond.
15450 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15452 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15453 (*vec_extractv2di_1_sse): New.
15455 2006-01-09 Ben Elliston <bje@au.ibm.com>
15457 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15459 2006-01-08 Richard Guenther <rguenther@suse.de>
15461 * tree-ssa-structalias.c (get_constraint_for): Remove
15462 anyoffset argument.
15463 (get_constraint_for_component_ref): Likewise.
15464 (do_deref): Likewise.
15465 (get_constraint_for): Likewise.
15466 (do_structure_copy): Likewise.
15467 (handle_ptr_arith): Likewise.
15468 (find_func_aliases): Likewise. Remove unused need_anyoffset
15471 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15472 Kaz Kojima <kkojima@gcc.gnu.org>
15474 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15475 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15476 (EXTRA_CONSTRAINT_C16): Remove.
15477 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15478 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15479 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15480 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15481 constants of SHmedia. Handle nested constant expressions of
15483 (andcosts): Fix the costs for SHmedia constants.
15484 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15485 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15486 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15487 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15488 (movv4hi_i, movv2si_i): Likewise.
15489 (movsi_const): Adjust the second operand of ior so to match with
15490 the Csu constraint.
15491 (movdi_const, movdi_const_32bit): Likewise.
15492 (movdi_const_16bit+1): Don't sign-extend LOW.
15493 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15495 (*double_shori): Fix the split condition. Use GEN_INT instead
15496 of get_int_mode calls. Mask lower 16-bit of the argument of
15498 (sym2GOTPLT): Remove.
15499 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15501 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15502 instead of EXTRA_CONSTRAINT_C16.
15504 2006-01-07 Ian Lance Taylor <ian@airs.com>
15505 David Edelsohn <edelsohn@gnu.org>
15507 PR rtl-optimization/25662
15508 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15509 for constant operands instead of simplify_gen_binary.
15510 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15511 after trying simplify_binary_operation
15513 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15515 * tree.c (iterative_hash_expr): Hash decls based on UID.
15517 2006-01-06 Eric Christopher <echristo@apple.com>
15519 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15520 (TARGET_UNWIND_EMIT): Fix spelling.
15521 * target.h (gcc_target): Add except_table_label.
15522 * except.c (output_function_exception_table): Use.
15523 * varasm.c (default_emit_except_table_label): New.
15524 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15526 (asm_out): Add here.
15527 * output.h (default_emit_except_table_label): Prototype.
15528 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15529 * config/darwin.c (darwin_emit_except_table_label): Define.
15530 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15532 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15534 PR tree-optimization/18527
15535 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15536 number_of_iterations_special, number_of_iterations_exit):
15537 Move base and step of an iv to a single structure. Add
15538 no_overflow flag, and use it in # of iterations analysis.
15539 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15540 folded_casts argument.
15541 (simple_iv): Pass base and step in a structure. Set no_overflow
15543 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15544 Evaluate expensiveness of computing # of iterations instead of
15545 the final expression.
15546 * tree-scalar-evolution.h (affine_iv): New structure.
15547 (simple_iv): Declaration changed.
15548 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15549 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15550 find_givs_in_stmt): Changed due to simple_iv change.
15552 2006-01-06 Jeff Law <law@redhat.com>
15555 * tree-cfg.c (bsi_replace): Rename final argument from
15556 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15557 change (stmt -> orig_stmt).
15558 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15559 (bsi_remove): Add new argument. Remove EH information
15561 (verify_eh_throw_table_statements): New function.
15562 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15564 * tree-optimize.c (execute_free_cfg_annotations): Verify
15565 the EH throw statement table after removing annotations.
15566 * except.h (verify_eh_throw_table_statements): Prototype.
15567 * tree-flow.h (bsi_remove): Update prototype.
15568 * tree-vrp.c (remove_range_assertions): Add new argument to
15570 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15571 * tree-complex.c (expand_complex_div_wide): Likewise.
15572 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15573 * tree-tailcall.c (eliminate_tailcall): Likewise.
15574 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15575 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15576 * tree-nrv.c (tree_nrv): Likewise.
15577 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15578 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15579 (combine_blocks): Likewise.
15580 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15581 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15582 (cleanup_control_flow): Likewise.
15583 (remove_forwarder_block): Likewise.
15584 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15585 * tree-sra.c (sra_replace): Likewise.
15586 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15587 (forward_propagate_single_use_vars): Likewise.
15588 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15589 * tree-inline.c (expand_call_inline): Likewise.
15590 * tree-vect-transform.c (vect_transform_loop): Likewise.
15591 * tree-outof-ssa.c (rewrite_trees): Likewise.
15592 * tree-cfg.c (make_goto_expr_edges): Likewise.
15593 (cleanup_dead_labels): Likewise.
15594 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15595 (bsi_move_before, bsi_move_after): Likewise.
15596 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15597 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15599 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15602 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15604 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15605 on non gimple variables. Also add checks at the top for decls and
15607 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15609 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15610 and IMAGPART_EXPR for creating MUST_DEFs.
15611 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15612 and NAME_MEMORY_TAG separately from the DECLs.
15614 2006-01-06 Richard Guenther <rguenther@suse.de>
15616 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15617 annotation, if necessary.
15618 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15619 redundant calls to update_stmt.
15620 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15623 2006-01-05 Richard Henderson <rth@redhat.com>
15625 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15627 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15629 * c-typeck.c: Update copyright date.
15631 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15633 * c-typeck.c (build_c_cast): Always warn when casting
15634 from a pointer to an integer of different size, even if
15635 the node was constant.
15637 2006-01-05 Richard Guenther <rguenther@suse.de>
15639 PR tree-optimization/22555
15640 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15641 if one structure field is an array.
15642 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15643 operands even if we found a subvar, but ignore VOPs in this
15645 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15647 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15649 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15651 PR middle-end/24998
15652 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15654 2006-01-05 Richard Guenther <rguenther@suse.de>
15655 Diego Novillo <dnovillo@redhat.com>
15657 * tree-pass.h (TODO_remove_unused_locals): Define.
15658 * gimple-low.c (expand_var_p, remove_useless_vars,
15659 pass_remove_useless_vars): Remove. Update all users.
15660 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15661 (remove_unused_locals): New function.
15662 * tree-flow.h (remove_unused_locals): Declare.
15663 * passes.c (execute_todo): Call remove_unused_locals if
15664 TODO_remove_unused_locals is set.
15665 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15666 * tree-ssa-dce.c (pass_dce): Likewise.
15667 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15669 2006-01-05 Richard Guenther <rguenther@suse.de>
15671 * tree-flow.h (struct fieldoff): Decompose field to
15672 type, size and decl.
15673 * tree-ssa-alias.c (create_sft): Take type as parameter.
15674 (create_overlap_variables_for): Store type, size and decl
15675 in the fieldoff structure.
15676 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15677 of struct fieldoff.
15678 (push_fields_onto_fieldstack): Likewise.
15679 (create_variable_info_for): Likewise. Use offset for the
15680 SFT name if the decl is not available.
15682 2006-01-04 Paul Brook <paul@codesourcery.com>
15684 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15686 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15688 * lambda-code.c (can_put_in_inner_loop): Relax
15690 (can_put_after_inner_loop): New function.
15691 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15692 (perfect_nestify): Change to make copies and modify uses.
15694 2006-01-04 Richard Henderson <rth@redhat.com>
15696 Merge from gomp branch:
15697 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15698 via integer constant.
15699 (pragma_lex): Remove.
15700 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15701 rather than parsing it.
15702 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15703 handle_pragma_extern_prefix): Add %< %> quotes.
15704 (registered_pragmas): New.
15705 (c_register_pragma_1): New.
15706 (c_register_pragma): Use it.
15707 (c_register_pragma_with_expansion): Likewise.
15708 (c_invoke_pragma_handler): New.
15709 (init_pragma): Use cpp_register_deferred_pragma directly for
15711 * c-pragma.h (enum pragma_kind): New.
15712 (pragma_handler): New.
15713 (c_invoke_pragma_handler): Declare.
15714 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15716 * c-common.h (c_common_pch_pragma): Update decl.
15717 * Makefile.in (c-parser.o): Update dependencies.
15718 (GTFILES): Add c-pragma.h.
15719 * c-parser.c (struct c_token): Add pragma_kind.
15720 (struct c_parser): Add in_pragma.
15721 (c_lex_one_token): Always initialize keyword and pragma_kind.
15722 Extract data for CPP_PRAGMA.
15723 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15724 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15725 Don't allow CPP_PRAGMA_EOL if in_pragma.
15726 (c_parser_consume_pragma): New.
15727 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15728 (c_parser_skip_to_end_of_parameter): Likewise.
15729 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15730 (c_parser_skip_to_pragma_eol): New.
15731 (c_parser_external_declaration): Handle CPP_PRAGMA.
15732 (c_parser_compound_statement_nostart): Likewise.
15733 (c_parser_statement_after_labels): Likewise.
15734 (c_parser_pragma): New.
15735 (pragma_lex): Likewise.
15736 (c_parser_pragma_pch_preprocess): New.
15737 (c_parser_new): Merge into ...
15738 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15740 2006-01-04 Jeff Law <law@redhat.com>
15743 * tree-cfg.c (bsi_replace): Remove the original statement
15744 from the EH throw statement table.
15746 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15748 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15749 make the prototype extern "C" and add throw ().
15752 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15753 and pos non-negative and pos + len <= 32.
15754 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15755 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15756 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15759 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15760 as well as sizes not multiple of component size.
15763 * function.c (instantiate_expr): New function.
15764 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15765 walk its DECL_VALUE_EXPR with instantiate_expr.
15767 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15768 DW_OP_deref{,_size} if address isn't going to be added.
15770 2006-01-04 Ben Elliston <bje@au.ibm.com>
15772 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15773 * config/fp-bit.c: Likewise.
15775 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15777 * dominance.c: Add comment about why we use DFS numbering
15780 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15781 Richard Henderson <rth@redhat.com>
15783 Merge from gomp-branch:
15784 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15785 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15787 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15789 PR rtl-optimization/25578
15790 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15791 pass a parameter to simplify_shift_const if changing ASHIFTRT
15794 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15796 * builtins.c (get_builtin_sync_mem): New function.
15797 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15798 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15799 Call get_builtin_sync_mem to generate mem rtx.
15801 2006-01-03 Richard Guenther <rguenther@suse.de>
15804 * stmt.c (add_case_node): Make sure to clear overflow flags
15807 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15809 Merge from gomp-branch.
15810 * config/sparc/sync.md: New file.
15811 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15812 UNSPECV_LDSTUB): New constants.
15813 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15814 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15815 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15818 2006-01-03 Roger Sayle <roger@eyesopen.com>
15820 * combine.c (reg_subword_p): New predicate to test whether the
15821 destination of a set refers to a subword/piece of a register.
15822 (try_combine): Generalize the code to merge the setting of a
15823 pseudo to a constant followed by a set of a subword of that
15824 register to a constant.
15826 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15828 * basic-block.h (control_flow_graph): Change the type of
15829 x_label_to_block_map to VEC(basic_block,gc) *.
15830 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15831 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15833 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15834 VEC(basic_block,heap) *.
15835 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15836 ssa_prop_fini): Adjust the uses of cfg_blocks.
15838 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15840 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15842 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15843 hashing trees instead of a pointer hash.
15844 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15845 compare for MEM_EXPR.
15847 PR rtl-optimization/25130
15848 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15849 when comparing MEMs for GCSE
15851 2006-01-03 Ben Elliston <bje@au.ibm.com>
15853 * targhooks.h (default_decimal_float_supported_p): Declare.
15854 * targhooks.c (default_decimal_float_supported_p): Define.
15855 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15856 `default_decimal_float_supported_p'.
15857 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15859 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15861 * combine.c (apply_distributive_law <SUBREG>): Check
15862 TRULY_NOOP_TRUNCATION.
15864 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15866 * dwarf2out.c (have_switched_text_section): Delete.
15867 (have_multiple_function_sections): New.
15868 (have_location_lists): Make 'bool'.
15869 (add_AT_loc_list): Use 'true' not '1'.
15870 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15871 (output_loc_list): Use have_multiple_function_sections.
15872 (output_ranges): Likewise.
15873 (dwarf2out_begin_function): Set have_multiple_function_sections if
15875 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15876 Check function_section rather than DECL_SECTION_NAME.
15877 (dwarf2out_finish): Use have_multiple_function_sections.
15878 Don't clear have_location_lists.
15880 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15881 Jan Hubicka <jh@suse.cz>
15883 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15884 case of conditional jump jumping to the next instruction.
15885 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15886 cases of conditional jump jumping to the next instruction.
15888 2006-01-02 Jan Hubicka <jh@suse.cz>
15890 * i386.c (*_cost): Add COSTS_N_INSNS.
15891 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15893 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15896 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15898 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15900 * config/arm/arm.c (all_fpus): Fix comment typo.
15901 * config/darwin.c: Likewise.
15902 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15903 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15904 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15906 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15908 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15909 (rs6000_split_compare_and_swapqhi): New.
15910 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15911 (sync_compare_and_swapqhi_internal): New.
15912 * config/rs6000/rs6000-protos.h: Declare.