1 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4 Standardize on "GNU Fortran" as the official name of the Fortran
7 2006-10-16 Mike Stump <mrs@apple.com>
9 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
11 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
12 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
13 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
14 (OS_MISSING_ALTIVEC): Add.
15 * config/i386/i386.c (override_options): Add
16 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
17 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
18 -mkernel, -static or -mdynamic-no-pic is given.
19 (C_COMMON_OVERRIDE_OPTIONS): Add.
20 * config/darwin.opt (fapple-kext): Add.
22 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
23 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
25 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
26 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
27 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
28 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
29 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
31 (flag_apple_kext): Add.
32 (TARGET_KEXTABI): Add.
33 * config/darwin.c (darwin_handle_kext_attribute): Add.
34 (DARWIN_VTABLE_P): Add.
35 (darwin_binds_local_p): Add partial support for rebinding vtables
37 (darwin_kextabi_p): Add.
38 (darwin_override_options): Add.
39 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
40 (darwin_kextabi_p): Add.
41 (darwin_override_options): Add.
42 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
43 __DYNAMIC__ and __STATIC__ here.
45 2006-10-16 Brooks Moses <bmoses@stanford.edu>
47 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
48 Added mention of "make pdf" target, and Texinfo requirements for
51 2006-10-16 DJ Delorie <dj@redhat.com>
53 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
54 into the GOT in case we need a subreg of the address.
56 2006-10-16 Richard Guenther <rguenther@suse.de>
59 * doc/extend.texi (X86 Built-in Functions): Fix typos in
60 SSE builtin documentation. Document SSE2 builtins.
62 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
64 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
65 symbol in the output file for non-shared links when -nostdlib or
66 -nodefaultlibs isn't specified.
68 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
71 2006-10-15 Jan Hubicka <jh@suse.cz>
74 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
75 declared always_inline even when not inlining.
77 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
78 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
79 Andrew Pinski <pinskia@gmail.com>
82 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
84 2006-10-15 Jan Hubicka <jh@suse.cz>
85 Richard Guenther <rguenther@suse.de>
88 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
89 process_function_and_variable_attributes on all variables, including
90 those discovered during cgraph construction phase.
92 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
94 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
96 2006-10-14 Uros Bizjak <uros@kss-loka.si>
98 * config/i386/athlon.md (athlon_fist): Add fisttp.
100 2006-10-13 David Edelsohn <edelsohn@gnu.org>
101 Ian Lance Taylor <ian@airs.com>
104 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
105 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
108 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
110 * config/score/score.c, config/score/score.h: Fix comment
113 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
116 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
119 2006-10-13 Eric Christopher <echristo@apple.com>
121 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
123 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
126 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
127 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
128 alignment supported by 32-bit ELF.
130 2006-10-13 Eric Christopher <echristo@apple.com>
132 * config/darwin.c (darwin_emit_unwind_label): Strip
133 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
135 2006-10-13 Richard Guenther <rguenther@suse.de>
137 PR tree-optimization/29446
138 * tree-vrp.c (fix_equivalence_set): Remove.
139 (extract_range_from_assert): Do not call fix_equivalence_set.
140 (debug_value_range): Print a newline.
141 (compare_name_with_value): For equivalence sets with
142 inconsistent value ranges conservatively bail out.
143 (compare_names): Likewise.
145 2006-10-13 David Edelsohn <edelsohn@gnu.org>
147 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
148 and MPFR for gfortran.
150 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
152 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
153 alignment supported by 32-bit ELF.
155 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
159 * c-typeck.c (digest_init): Always allow initializing vectors
160 that have static storage duration with compound literals.
161 * tree.c (build_type_attribute_qual_variant): New, based on
162 build_type_attribute_variant.
163 (build_type_attribute_variant): Rewrite using the former.
164 (make_vector_type): Use build_type_attribute_qual_variant to build
165 type variants. Use type_hash_canon on the others.
167 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
168 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
170 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
172 2006-10-12 Jan Hubicka <jh@suse.cz>
175 * c-decl.c (c_make_fname_decl): Do not segfault in case where
176 current_function_decl is set but current_function_scope is not.
178 2006-10-12 Jie Zhang <jie.zhang@analog.com>
180 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
181 emit_insn to emit eh_return_internal instruction.
182 (eh_return_internal): Explicitly set pc.
184 2006-10-11 Richard Guenther <rguenther@suse.de>
186 PR tree-optimization/28230
187 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
188 to the correct place.
190 2006-10-11 Richard Guenther <rguenther@suse.de>
193 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
196 2006-10-10 Brooks Moses <bmoses@stanford.edu>
198 * configure.ac: Added pdf to "Make-hooks"
199 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
200 targets and *.pdf file patterns in cleanup targets.
201 * configure: Regenerated.
203 2006-10-10 Anatoly Sokolov <aesok@post.ru>
205 * config/avr/predicates.md: New file.
206 * config/avr/avr.md: Include it.
207 (REG_SP): New constant.
208 (peepholes): Use predicates.
209 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
210 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
211 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
213 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
215 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
218 2006-10-10 Jakub Jelinek <jakub@redhat.com>
221 * builtins.c (var_decl_component_p): New function.
222 (fold_builtin_memset, fold_builtin_memory_op): Restrict
223 single entry optimization to variables and components thereof.
225 2006-10-10 Richard Guenther <rguenther@suse.de>
227 PR rtl-optimization/29323
228 * except.c (set_nothrow_function_flags): For functions
229 that do not bind local bail out early.
231 2006-10-10 Ben Elliston <bje@au.ibm.com>
233 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
236 2006-10-09 Richard Henderson <rth@redhat.com>
240 2006-10-09 Richard Guenther <rguenther@suse.de>
243 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
246 2006-10-09 Steve Ellcey <sje@cup.hp.com>
249 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
250 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
251 * configure: Regenerate.
252 * config.in: Regenerate.
254 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
256 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
258 2006-10-08 Richard Sandiford <richard@codesourcery.com>
260 * config/mips/mips.c (mips_legitimize_tls_address): Implement
261 all TLS models in the same way as local exec if !TARGET_ABICALLS.
262 Remove stray newline.
264 2006-10-08 Richard Sandiford <richard@codesourcery.com>
266 * config/mips/mips.c (mips_classify_symbol): Do not return
267 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
268 (mips_in_small_data_p): Tweak comments.
270 2006-10-08 Richard Sandiford <richard@codesourcery.com>
272 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
274 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
276 * gimplify.c, sched-int.h: Fix comment typos.
278 * sched-int.h: Fix comment typos.
280 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
282 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
284 * sched-ebb.c (begin_schedule_ready): Use them.
285 * haifa-sched.c (schedule_insn, move_insn, try_ready,
286 add_to_speculative_block, create_check_block_twin, speculate_insn,
287 fix_jump_move, move_block_after_check): Ditto.
288 * sched-rgn.c (new_ready): Ditto.
290 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
292 PR rtl-optimization/29128
293 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
294 * sched-ebb.c (advance_target_bb): Use it to fix condition to
295 allow interblock movement of speculation checks.
297 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
300 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
301 casted to integer type.
302 (get_address_cost): Decrease cost of [symbol + index] addressing modes
303 if they are significantly more expensive than [reg + index] ones.
305 2006-10-06 Jakub Jelinek <jakub@redhat.com>
307 PR tree-optimization/29330
308 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
309 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
310 on newly allocated ddrs.
311 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
312 to VEC (loop_p, heap) pointer.
313 (compute_data_dependences_for_loop): Adjust caller.
314 (free_dependence_relations): Free DDR_LOOP_NEST.
316 * tree-loop-linear.c (linear_transform_loops): Don't forget to
317 free DEPENDENCE_RELATIONS and DATAREFS.
320 * builtins.c (expand_builtin_sync_operation,
321 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
322 Use convert_to_mode to handle promoted arguments.
324 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
326 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
328 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
330 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
332 2006-10-05 Uros Bizjak <uros@kss-loka.si>
334 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
335 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
336 Use <modeconstraint> instead of "r" as operand 1 constraint.
338 2006-10-06 Olivier Hainque <hainque@adacore.com>
340 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
341 Don't recurse on the pointed-to type.
342 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
343 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
344 types with components of variable size.
346 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
348 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
350 2006-10-06 Jakub Jelinek <jakub@redhat.com>
352 PR tree-optimization/29290
353 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
357 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
358 * config/i386/predicates.md (local_symbolic_operand): Likewise.
361 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
362 the number of vector elements fill the rest with zeros.
364 2006-10-05 Richard Sandiford <richard@codesourcery.com>
366 * config/mips/mips.c (mips_pass_by_reference): Do not return false
367 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
370 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
372 * config/bfin/bfin.md (subsi3): Lose expander, change previously
373 unnamed pattern into subsi3. Use correct constraints/predicates.
374 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
375 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
377 2006-10-05 Ira Rosen <irar@il.ibm.com>
379 * doc/loop.texi: Add data references analysis description.
381 2006-10-04 Brooks Moses <bmoses@stanford.edu>
383 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
385 2006-10-04 Richard Henderson <rth@redhat.com>
386 Jakub Jelinek <jakub@redhat.com>
388 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
389 * builtin-types.def (BT_WORD): Make unsigned.
390 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
391 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
392 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
393 * c-decl.c (grokdeclarator): Don't error if !have_tls.
394 * c-parser.c (c_parser_omp_threadprivate): Likewise.
395 * cgraph.c (decide_is_variable_needed): Look at force_output.
396 Recurse for emulated tls.
397 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
398 checks redundant with decide_is_variable_needed.
399 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
400 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
402 * expr.c (emutls_var_address): New.
403 (expand_expr_real_1): Expand emulated tls.
404 (expand_expr_addr_expr_1): Likewise.
405 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
406 * output.h (emutls_finish): Declare.
407 * toplev.c (compile_file): Call it.
408 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
409 address before wrapping in CONST.
410 * varasm.c (emutls_htab, emutls_object_type): New.
411 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
412 (get_emutls_object_name, get_emutls_object_type): New.
413 (get_emutls_init_templ_addr, emutls_decl): New.
414 (emutls_common_1, emutls_finish): New.
415 (assemble_variable): When emulating tls, swap decls; generate
416 constructor for the emutls objects.
417 (do_assemble_alias): When emulating tls, swap decl and target name.
418 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
420 * emutls.c: New file.
421 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
422 tls_object for real tls.
424 2006-10-04 Zack Weinberg <zackw@panix.com>
426 Fix bug in constraint-check generator, reported by Rask Ingemann
428 * genpreds.c (add_constraint): Don't remove anything from the
430 (write_tm_constrs_h): Detect whether "op" argument is used, and
431 mark it ARG_UNUSED if it isn't.
432 (write_insn_const_int_ok_for_constraint): Skip the part of the
433 expression that would test whether "op" (which is not available
434 here) is a CONST_INT.
436 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
439 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
441 2006-10-03 Geoffrey Keating <geoffk@apple.com>
443 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
444 current Leopard versions.
445 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
447 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
449 * doc/install.texi: Fix typos.
451 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
453 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
454 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
455 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
457 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
459 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
460 arg to be struct mach_header_64* instead.
462 2006-10-02 Jakub Jelinek <jakub@redhat.com>
465 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
466 side effects after the outer expression's post side effects.
468 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
470 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
471 comments to reflect actual behavior and relationship between
472 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
474 * doc/c-tree.texi (Working with declarations): Fix documentation
475 of FIELD_DECL likewise.
477 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
480 * doc/extend.texi: Add used variable attribute description.
482 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
485 * c.opt (Woverride-init): New.
486 * c-opts.c (c_common_post_options): Default warn_override_init to
488 * c-typeck.c (add_pending_init, output_init_element): Warn for
489 overriding initializers without side effects.
490 * doc/invoke.texi (-Woverride-init): Document.
493 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
495 PR rtl-optimization/28096
496 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
497 assignment has already been used as a destination earlier in the block.
499 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
501 * builtins.c (expand_builtin_setjmp): Delete.
502 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
503 <BUILT_IN_SETJMP_SETUP>: New case.
504 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
505 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
506 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
507 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
508 (BUILT_IN_SETJMP_RECEIVER): Likewise.
509 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
510 (lower_function_body): Initialize it to false. If it is set to true
511 at the end of the processing, emit the setjmp dispatcher.
512 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
513 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
514 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
515 on the rhs of the assignment.
516 (lower_builtin_setjmp): New function.
517 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
518 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
519 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
520 to detect calls that can go to non-local labels. Use specific
521 helper to create the abnormal edges associated with them.
522 <MODIFY_EXPR>: Likewise.
523 (make_abnormal_goto_edges): New function extracted from...
524 (make_goto_expr_edges): ...here. Call it for computed gotos.
525 (simple_goto_p): Minor tweak.
526 (tree_can_make_abnormal_goto): New predicate.
527 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
528 (tree_purge_dead_abnormal_call_edges): New function.
529 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
530 (tree_purge_dead_abnormal_call_edges): Likewise.
531 (make_abnormal_goto_edges): Likewise.
532 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
533 Purge all dead abnormal edges if the call was in the last statement.
534 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
535 (execute_fixup_cfg): If there are non-local labels in the function,
536 scan the basic blocks and split them at calls that can go to non-local
537 labels or add missing abnormal call edges. Write down the CFG in the
539 (pass_fixup_cfg): Remove TODO_dump_func flag.
540 * unwind-sjlj.c: Poison setjmp.
541 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
542 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
543 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
544 (DONT_USE_BUILTIN_SETJMP): Document it.
546 2006-09-28 Geoffrey Keating <geoffk@apple.com>
549 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
550 to 1 when __ppc64__ is defined.
551 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
553 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
555 2006-09-28 Steve Ellcey <sje@cup.hp.com>
557 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
558 * config/ia64/unwind-hpux.c: Delete.
560 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
562 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
563 on the element before gimplifying it, instead of punting if it is of
566 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
568 * doc/loop.texi: New file.
569 * doc/gccint.texi: Reference loop.texi.
570 * Makefile.in (loop.texi): Add.
572 2006-09-27 Geoffrey Keating <geoffk@apple.com>
574 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
576 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
577 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
579 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
581 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
583 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
585 * doc/install.texi: Document required versions of GMP and MPFR.
587 2006-09-27 Paul Brook <paul@codesourcery.com>
590 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
592 2006-09-27 Richard Sandiford <richard@codesourcery.com>
594 * reload1.c (alter_reg): Require the alignment of the stack slot to
595 be at least reg_max_ref_width bytes.
596 (scan_paradoxical_subregs): Record the largest width in
599 2006-09-26 Jakub Jelinek <jakub@redhat.com>
603 * tree-nested.c (struct nesting_info): Added static_chain_added.
604 (convert_call_expr): Set static_chain_added when adding static
605 chain. Handle OMP_PARALLEL and OMP_SECTION.
607 2006-09-25 Matthias Klose <doko@debian.org>
609 * doc/invoke.texi: Add missing full stop.
611 2006-09-25 Richard Henderson <rth@redhat.com>
613 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
614 before cgraph_function_flags_ready.
616 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
617 Adam Nemet <anemet@caviumnetworks.com>
619 * tree-ssa-loop-ivopts.c (aff_combination_convert,
620 determine_common_wider_type): New functions.
621 (get_computation_aff): Use them to simplify arithmetic between
622 UBASE and CBASE if they are shortened from the same type.
624 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
627 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
628 -2147483647 - 1 instead of 0x80000000.
630 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
632 * flags.h (HONOR_NANS): Fix typo in comment.
634 2006-09-23 Uros Bizjak <uros@kss-loka.si>
636 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
638 2006-09-23 Jakub Jelinek <jakub@redhat.com>
642 * tree.c (merge_attributes, attribute_list_contained): If both
643 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
645 * c-typeck.c (comptypes_internal): Don't consider aggregates
646 in different TUs as compatible if there one set of attributes is
647 not a subset of the other type's attributes.
648 (composite_type): Try harder not to create a new aggregate type.
650 2006-09-22 Geoffrey Keating <geoffk@apple.com>
652 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
653 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
654 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
655 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
656 than replicating condition above.
657 * config.host (i[34567]86-*-*): Always use driver-i386.o.
659 * config/darwin.h (LINK_SYSROOT_SPEC): New.
660 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
661 the linker by default.
663 2006-09-22 Mike Stump <mrs@apple.com>
665 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
668 2006-09-22 Richard Guenther <rguenther@suse.de>
671 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
672 sort of stack variables stable.
674 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
677 * explow.c (force_reg): Set REG_POINTER flag according to
680 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
682 PR tree-optimization/28888
683 * tree-if-conv.c (combine_blocks): Rewritten.
684 * tree-cfg.c (tree_verify_flow_info): Check that edges with
685 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
687 2006-09-22 Jakub Jelinek <jakub@redhat.com>
689 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
692 2006-09-21 Richard Sandiford <richard@codesourcery.com>
694 * varasm.c (copy_constant): Fix reversed gcc_assert check.
696 2006-09-21 Janis Johnson <janis187@us.ibm.com>
698 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
700 2006-09-21 Roger Sayle <roger@eyesopen.com>
703 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
704 dw_fde_current_label, to be the start of the function, i.e. the same
705 value as dw_fde_begin.
707 2006-09-20 Richard Sandiford <richard@codesourcery.com>
709 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
710 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
711 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
712 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
713 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
714 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
715 (abs<mode>2, neg<mode>2): Likewise.
716 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
717 (*mips_abs_ps): New define_insn.
719 2006-09-20 Josh Conner <jconner@apple.com>
722 * calls.c (expand_call): Allow reuse of structure return stack
725 2006-09-20 Paul Brook <paul@codesourcery.com>
727 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
730 2006-09-20 Janis Johnson <janis187@us.ibm.com>
732 * doc/extend.texi (Decimal Float): Update for latest draft TR,
733 clean up terminology.
735 2006-09-20 Steve Ellcey <sje@cup.hp.com>
738 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
739 with tablejumps in them.
741 2006-09-20 Jakub Jelinek <jakub@redhat.com>
744 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
745 wrap it into TARGET_EXPR.
747 2006-09-20 Eric Christopher <echristo@apple.com>
749 * config/i386/i386.c (x86_fisttp): Remove.
750 * config/i386/i386.h (x86_fisttp): Ditto.
751 (TARGET_FISTTP): Ditto.
753 2006-09-19 Eric Christopher <echristo@apple.com>
755 * doc/tm.texi (OBJC_JBLEN): Describe.
756 * config/i386/darwin.h (OBJC_JBLEN): Define.
757 * config/rs6000/darwin.h: Ditto.
759 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
761 PR rtl-optimization/21299
762 * reload1.c (reload): Purge invalid ASMs in the final pass.
764 2006-09-19 Steve Ellcey <sje@cup.hp.com>
767 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
768 pointers as legitimate constants.
770 2006-09-19 Paul Brook <paul@codesourcery.com>
773 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
775 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
777 PR tree-optimization/28887
778 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
779 component parts from the reference.
780 (gather_memory_references_ref): Record the reference without the
781 nonaddressable component parts.
783 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
786 * c-opts.c (c_common_handle_option): Ignore the -std options
787 if the input language is assembly.
789 2006-09-17 Ira Rosen <irar@il.ibm.com>
792 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
794 (ptr_ptr_may_alias_p): Likewise.
795 (record_record_differ_p): New function.
796 (base_object_differ_p): Call record_record_differ_p.
798 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
801 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
802 away for the expr argument.
804 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
807 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
808 before using it for dumping after vectorizing loops.
810 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
811 Jack Howarth <howarth@bromo.med.uc.edu>
814 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
815 skip on error_mark_node.
816 (rs6000_darwin64_record_arg_recurse): Likewise.
818 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
820 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
821 * doc/rtl.texi: Remove related documentation.
823 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
825 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
828 2006-09-15 Jim Wilson <wilson@specifix.com>
830 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
831 Handle symbol offsets same as they are handled in ia64_expand_move
834 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
836 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
837 Add forgotten parameter to the fprintf call.
839 2006-09-15 Steve Ellcey <sje@cup.hp.com>
841 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
843 2006-09-15 Uros Bizjak <uros@kss-loka.si>
845 * doc/contrib.texi: Add my entry.
847 2006-09-15 Nick Clifton <nickc@redhat.com>
849 * doc/md.texi (Processor pipeline description): Fix typo in
850 example of how to use the absence_set directive and reword the
851 description to make it slightly easier to read.
853 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
855 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
856 * loop-doloop.c (doloop_optimize): Use it to limit costs of
857 expanding the number of iterations.
858 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
860 * cfgrtl.c (emit_insn_at_entry): New function.
861 * rtl.h (emit_insn_at_entry): Declare it.
862 * integrate.c (emit_initial_value_sets): Use it.
864 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
866 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
868 (struct loop_work and related VEC declarations): Delete.
869 (bfin_dump_loops): Print out new member bad.
870 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
871 (bfin_scan_loop): Don't recurse.
872 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
873 loops. No longer need to update outer loops if the current one is
874 found bad. Move some validitiy checks to bfin_discover_loop.
875 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
876 but changed not to check for nesting. Also changed to use the new bad
878 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
879 time. Use bitmap based test to discover loop nesting.
881 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
883 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
886 2006-09-14 Richard Guenther <rguenther@suse.de>
887 Kazu Hirata <kazu@codesourcery.com>
890 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
891 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
892 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
893 with TARGET_FUNCTION_VALUE.
895 2006-09-14 Anatoly Sokolov <aesok@post.ru>
898 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
900 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
902 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
905 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
908 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
911 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
913 * basic_block.h (bb_has_eh_pred): Fix comment.
915 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
917 * flow.c (calculate_global_regs_live): Invalidate eh registers
918 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
919 (propagate_block): Handle eh registers as if they were set at basic
921 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
923 * global.c (global_conflicts): Make eh registers to conflict with
924 pseudos live at basic block begin.
925 * basic_block.h (bb_has_eh_pred): New function.
927 2006-09-13 Richard Sandiford <richard@codesourcery.com>
929 PR rtl-optimization/28982
930 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
931 index of a PRE_MODIFY or POST_MODIFY address.
932 * reload1.c (inc_for_reload): Use find_replacement on the original
933 base and index registers.
935 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
937 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
938 for -Os. Update __m128 alignment requirement.
940 2006-09-13 Jan Hubicka <jh@suse.cz>
942 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
944 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
946 PR rtl-optimization/28243
947 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
948 the insn to which the note was originally attached.
950 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
951 Roger Sayle <roger@eyesopen.com>
953 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
954 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
955 on platforms that don't use dwarf for debug info.
957 2006-09-12 Jason Merrill <jason@redhat.com>
960 * builtins.c (expand_builtin_setjmp_receiver): Clobber
961 hard_frame_pointer_rtx after using it to update the frame pointer.
963 2006-09-12 Roger Sayle <roger@eyesopen.com>
965 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
966 (TARGET_ASM_CLOSE_PAREN): Likewise.
967 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
968 (TARGET_ASM_CLOSE_PAREN): Likewise.
970 2006-09-12 Roger Sayle <roger@eyesopen.com>
973 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
974 frame information for frames larger than 512 Kbytes on Tru64 when
975 using the native assembler.
977 2006-09-12 Roger Sayle <roger@eyesopen.com>
981 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
982 and symbols. Instead use the implementation from cse.c's hash_rtx.
984 2006-09-12 Jan Hubicka <jh@suse.cz>
986 PR rtl-optimization/28071
987 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
988 (vect_transform_loop): Likewise.
989 * tree-vectorizer.c (new_loop_vec_info): Likewise.
990 (new_loop_vec_info): Likewise.
991 (destroy_loop_vec_info): Likewise.
992 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
993 (create_stmt_ann): Likewise.
994 (create_tree_ann): Rename to ...
995 (create_tree_common_ann): ... this one; allocate only the common part
997 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
998 (get_value_handle): Likewise.
999 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1000 get_tree_common_ann.
1001 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1002 (vinfo_for_stmt): Use stmt annotations.
1003 * tree-flow.h (tree_ann_common_t): New type.
1004 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1005 (tree_ann, get_tree_ann, create_tree_ann): New.
1006 * tree-flow-inline.h (get_function_ann): Do more type checking.
1007 (stmt_ann): Likewise.
1008 (tree_ann): Rename to ...
1009 (tree_common_ann): ... this one; return ony common_ann
1010 (get_tree_ann): Rename to ...
1011 (tree_common_ann): This one; return only common_ann.
1012 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1015 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1017 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1018 with_cpu by default.
1020 * dwarf2out.c (dwarf_file_data): New.
1021 (enum dw_val_class): Add dw_val_class_file.
1022 (struct dw_val_struct): Add val_file.
1023 (file_table): Change to a hash table.
1024 (file_table_emitted): Delete.
1025 (file_table_last_lookup_index): Delete.
1026 (emitcount): Delete.
1027 (last_emitted_file): New.
1028 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1029 (init_file_table): Delete.
1030 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1031 (AT_addr): Add comment.
1035 (print_die): Handle dw_val_class_file.
1036 (print_dwarf_line_table): Update for new file table structure.
1037 (attr_checksum): Do checksum a filename.
1038 (same_dw_val_p, same_attr_p): Do compare a filename.
1039 (size_of_die): Handle dw_val_class_file.
1040 (value_format): Likewise.
1041 (output_die): Likewise. Also, call maybe_emit_file here.
1042 (struct file_info): Constify filenames. Make file_idx a pointer
1043 to a struct dwarf_file_data.
1044 (struct dir_info): Constify directory names. Remove 'used' field.
1045 (struct file_name_acquire_data): New.
1046 (file_name_acquire): New.
1047 (output_file_names): Modify to handle new file data structures.
1048 (add_src_coords_attributes): Use add_AT_file.
1049 (add_call_src_coords_attributes): Likewise.
1050 (dwarf2out_imported_module_or_decl): Likewise.
1051 (gen_subprogram_die): Modify for new file data structures.
1052 (gen_variable_die): Likewise.
1053 (file_table_eq): New.
1054 (file_table_hash): New.
1055 (file_table_last_lookup): New.
1056 (lookup_filename): Rewrite to handle new file data structures.
1057 (maybe_emit_file): Rewrite to handle new file data structures.
1058 (dwarf2out_source_line): Always call lookup_filename and
1060 (dwarf2out_init): Create file_table here.
1061 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1062 (file_table_relative_p): New.
1063 (dwarf2out_finish): Change detection of relative filenames
1064 to work with new file data structures. Move output_line_info call
1065 after debug_info output.
1067 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1072 * config/i386/i386.c (override_options): Always default to 16
1073 byte stack boundary.
1075 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1078 * var-tracking.c (dump_dataflow_set): Start dumping at
1080 (clobber_variable_part): Kill only the variable part in
1081 registers holding it, leaving other variables alone.
1083 2006-09-11 Josh Triplett <josh@freedesktop.org>
1085 * doc/extend.texi (Other Builtins): Actually use the macro
1086 argument in the documentation example for
1087 __builtin_types_compatible_p.
1089 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1091 PR rtl-optimization/28726
1092 * sched-deps.c (sched_analyze_reg): New function extracted from...
1093 (sched_analyze_1): ...here. Call it to analyze references to
1094 registers. Treat again writes to a stack register as writing to the
1096 (sched_analyze_2): ...and here. Call it to analyze references to
1097 registers. Treat again reads of a stack register as reading the
1100 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1101 David Edelsohn <edelsohn@gnu.org>
1104 * config/rs6000/spe.md (frob_df_di): Remove %H.
1105 (frob_di_df): Remove %H. Change evmergelo to mr.
1106 (frob_di_df_2): Remove %H. Change evldd to two loads.
1108 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1110 * doc/cpp.texi: Fix names of charset options.
1112 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1115 * config/i386/i386.c (override_options): Use 128-bit
1116 stack boundary always for 64bits.
1118 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1120 PR rtl-optimization/28636
1121 * combine.c (force_to_mode): Test for side-effects before
1122 substituting by zero.
1123 (simplify_shift_const): Likewise for zero or other constants.
1125 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1128 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1131 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1134 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1135 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1136 returned by mode_for_size, rather than the mode of src itself,
1137 to choose between 32-bit and 64-bit patterns.
1138 (mips_mem_fits_mode_p): New function.
1139 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1140 that the size of the source matches the size of the destination.
1141 (mov_<store>l, mov_<store>r): Likewise.
1143 2006-09-10 Eric Christopher <echristo@apple.com>
1145 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1148 2006-09-09 Eric Christopher <echristo@apple.com>
1151 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1154 2006-09-09 Roger Sayle <roger@eyesopen.com>
1155 Nicolas Setton <setton@adacore.com>
1157 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1159 2006-09-10 Andreas Schwab <schwab@suse.de>
1161 * config/m68k/m68k.md (bungt_rev): New pattern.
1163 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1164 Dale Johannesen <dalej@apple.com>
1167 * regclass.c (struct reg_pref): Update documentation.
1168 (regclass): Set prefclass to NO_REGS if memory is the best option.
1169 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1171 2006-09-08 Eric Christopher <echristo@apple.com>
1173 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1174 * config/t-slibgcc-darwin: Support x86_64 multilib.
1175 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1176 Return 1 for x86_64-darwin.
1177 * config/i386/t-darwin: Add m64 multilib.
1178 (LIB2_SIDITI_CONV_FUNCS): Use.
1179 (LIB2FUNCS_EXTRA): Ditto.
1180 * config/i386/darwin.h: Support x86_64.
1181 * config/i386/i386.c (override_options): Turn on flag_pic
1182 for x86_64-darwin. Disable flag_omit_pointer.
1183 (get_pc_thunk_name): Assert !TARGET_64BIT.
1184 (legitimate_address_p): Disable machopic addressing for
1186 (legitimize_pic_address): Ditto.
1187 (ix86_expand_move): Ditto.
1188 (ix86_expand_call): Ditto.
1189 (machopic_output_stub): Ditto.
1190 * config/darwin.c (machopic_select_section): Support literal16.
1191 (machopic_select_rtx_section): Ditto.
1192 * config/darwin-sections.def: Ditto.
1193 * config/darwin-64.c: New.
1195 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1198 * c-tree.h (struct c_arg_info): Add pending_sizes.
1199 * c-parser.c (c_parser_parms_declarator,
1200 c_parser_parms_list_declarator): Initialize pending_sizes.
1201 * c-decl.c (get_parm_info): Initialize pending_sizes.
1202 (get_parm_info): Set pending_sizes.
1203 (grokdeclarator): Call put_pending_sizes for parameters for
1204 function definition only.
1206 2006-09-07 Jason Merrill <jason@redhat.com>
1209 * varasm.c (output_constant): Only strip actual no-op conversions.
1212 * config/i386/i386.c (override_options): Use 128-bit
1213 stack boundary if -msse.
1215 2006-09-07 Eric Christopher <echristo@apple.com>
1217 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1219 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1222 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1224 * dwarf2out.c: Remove strange characters from comment above
1225 dwarf2out_frame_debug_expr.
1227 2006-09-07 Eric Christopher <echristo@apple.com>
1229 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1230 * config/darwin.h: ... to here.
1232 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1234 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1236 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1237 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1239 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1240 TARGET_PARTIAL_FLAG_REG_STALL.
1241 (*ashldi3_cconly_rex64): Likewise.
1242 (*ashlsi3_cmp): Likewise.
1243 (*ashlsi3_cconly): Likewise.
1244 (*ashlsi3_cmp_zext): Likewise.
1245 (*ashlhi3_cmp): Likewise.
1246 (*ashlhi3_cconly): Likewise.
1247 (*ashlqi3_cmp): Likewise.
1248 (*ashlqi3_cconly): Likewise.
1249 (*ashrdi3_cmp_rex64): Likewise.
1250 (*ashrdi3_cconly_rex64): Likewise.
1251 (*ashrsi3_cmp): Likewise.
1252 (*ashrsi3_cconly): Likewise.
1253 (*ashrsi3_cmp_zext): Likewise.
1254 (*ashrhi3_cmp): Likewise.
1255 (*ashrhi3_cconly): Likewise.
1256 (*ashrqi3_cmp): Likewise.
1257 (*ashrqi3_cconly): Likewise.
1258 (*lshrdi3_cmp_rex64): Likewise.
1259 (*lshrdi3_cconly_rex64): Likewise.
1260 (*lshrsi3_cmp): Likewise.
1261 (*lshrsi3_cconly): Likewise.
1262 (*lshrsi3_cmp_zext): Likewise.
1263 (*lshrhi3_cmp): Likewise.
1264 (*lshrhi3_cconly): Likewise.
1265 (*lshrqi2_cmp): Likewise.
1266 (*lshrqi2_cconly): Likewise.
1268 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1271 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1272 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1273 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1274 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1275 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1276 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1277 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1278 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1279 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1280 implement only CC setting effects of shift instructions.
1282 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1284 * doc/contrib.texi: Add myself.
1286 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1289 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1290 was set by the user.
1292 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1295 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1296 (divsi_inv_m1): Use them.
1297 (UNSPEC_DIV_INV_TABLE): New constant.
1299 2006-09-06 James E Wilson <wilson@specifix.com>
1302 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1303 then call count_or_remove_death_notes.
1305 2006-09-06 Jason Merrill <jason@redhat.com>
1308 * tree-inline.c (copy_result_decl_to_var): New fn.
1309 (declare_return_variable): Use it. Call declare_inline_vars here.
1310 (expand_call_inline): Not here.
1312 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1314 * doc/contrib.texi: Update my entry.
1316 2006-09-06 Nick Clifton <nickc@redhat.com>
1318 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1320 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1323 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1324 (canonicalize_induction_variables): Likewise.
1325 (tree_unroll_loops_completely): Likewise.
1326 (tree_ssa_prefetch_arrays): Likewise.
1327 (remove_empty_loops): Likewise.
1328 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1329 TODO_cleanup_cfg instead of directly calling
1330 cleanup_tree_cfg_loop.
1331 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1333 (tree_unroll_loops_completely): Likewise.
1334 (remove_empty_loops): Likewise.
1335 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1336 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1337 of tree_ssa_unswitch_loops.
1338 (tree_ssa_loop_ivcanon): Use the return value of
1339 canonicalize_induction_variables.
1340 (tree_ssa_empty_loop): Use the return value of
1342 (tree_complete_unroll): Use the return value of
1343 tree_unroll_loops_completely.
1344 (tree_ssa_loop_prefetch): Use the return value of
1345 tree_ssa_prefetch_arrays.
1346 * passes.c (execute_todo): Before Cleanup CFG, set
1347 updating_used_alone and after cleanup CFG, call
1348 recalculate_used_alone.
1350 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1353 * tree-vect-transform.c (vectorizable_condition): Move the check
1354 for the type after the check for simple condition.
1356 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1357 Kaz Kojima <kkojima@gcc.gnu.org>
1360 * mode-switching.c (optimize_mode_switching): Make the destination
1361 block of an abnormal edge have no anticipatable mode. Don't
1362 insert mode switching code at the end of the source block of
1365 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1367 PR rtl-optimization/26847
1368 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1369 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1370 (simplify_plus_minus): Count n_constants while filling ops. Replace
1371 qsort with insertion sort. Before going through the array to simplify
1372 pairs, sort it. Delay early exit until after the first sort, exiting
1373 only if no swaps occurred. Simplify pairs in reversed order, without
1374 special-casing the first iteration. Pack ops after simplifying pairs.
1376 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1378 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1379 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1380 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1381 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1383 2006-09-05 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/28900
1386 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1387 compound conditional before creating COND_EXPR condition.
1389 2006-09-05 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/28905
1392 * tree-vrp.c (fix_equivalence_set): Manually implement
1393 !value_ranges_intersect_p to also handle symbolic ranges.
1395 2006-09-05 Richard Guenther <rguenther@suse.de>
1398 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1401 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1403 PR rtl-optimization/27616
1404 * cse.c (table_size): New static variable.
1405 (new_basic_block): Initialize it to 0.
1406 (remove_from_table): Decrement it.
1407 (insert): Increment it.
1408 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1409 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1410 fold_rtx_mem_1 if under the cap.
1411 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1412 the lookup of the equivalent expression and test for equality of the
1413 first operand of the equivalent expression before in turn looking up
1414 an equivalent constant for the second operand.
1416 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1419 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1420 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1421 pointer, instead of assuming it is possible to derive the
1422 correct args size from a call insn.
1424 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1427 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1428 (fold_builtin_mempcpy): Rename to...
1429 (fold_builtin_memory_op): ... this. Optimize one element copy
1431 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1433 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1434 (expand_builtin_memcpy, expand_builtin_mempcpy,
1435 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1436 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1437 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1438 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1440 2006-09-01 DJ Delorie <dj@redhat.com>
1442 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1443 (stzx_16): Likewise.
1444 ("stzx_24_<mode>"): Likewise.
1445 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1446 ("cmp<mode>_op"): New.
1447 (cmp<mode>): Change to expander; just save operands.
1449 (b<code>): Change to expander, emit compare here.
1450 (s<code>_op): Change to use split and expander.
1451 (s<code>_24_op): Likewise.
1452 (s<code>_<mode>): New.
1453 (s<code>_<mode>_24): New.
1454 (movqicc_<code>_<mode): New.
1455 (movhicc_<code>_<mode>): New.
1458 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1459 (m32c_pend_compare): New.
1460 (m32c_unpend_compare): New.
1461 (m32c_expand_scc): New.
1462 (m32c_expand_movcc): Emit the compare also.
1463 * config/m32c/predicates.md (mra_nopp_operand): New.
1465 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1466 Richard Guenther <rguenther@suse.de>
1467 Adam Nemet <anemet@caviumnetworks.com>
1470 * builtins.c (get_pointer_alignment): Handle more forms
1471 of base addresses that can be used to derive more precise
1472 information about alignment.
1474 2006-09-01 Jason Merrill <jason@redhat.com>
1477 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1480 * gimplify.c (voidify_wrapper_expr): Handle null type.
1482 2006-09-01 Josh Conner <jconner@apple.com>
1485 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1486 (execute_return_slot_opt): Use it.
1488 2006-08-31 Josh Conner <jconner@apple.com>
1491 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1492 returning aggregates.
1494 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1496 PR tree-optimization/28839
1497 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1498 blocks in that phi arguments appear.
1500 2006-08-31 Roger Sayle <roger@eyesopen.com>
1503 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1504 NULL, otherwise use an advance_loc4 to adjust relative to the
1506 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1507 (dwarf2out_switch_text_section): Reset the current label to avoid
1508 using advance_loc4 over section boundaries.
1510 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1513 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1514 r12 + SYMBOLIC_CONST.
1516 2006-08-30 Richard Guenther <rguenther@suse.de>
1518 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1520 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1522 PR rtl-optimization/27735
1523 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1524 Add new argument to keep track of whether an irreducible region
1525 was affected. All callers changed.
1526 (fix_irreducible_loops): Removed.
1527 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1528 flags were invalidated.
1530 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1532 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1533 instead of SF operands.
1534 (*fop_df_comm_sse): Likewise.
1535 (*fop_df_comm_i387): Likewise.
1536 (*fop_df_1_mixed): Likewise.
1537 (*fop_df_1_sse): Likewise.
1539 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1540 J"orn Rennecke <joern.rennecke@st.com>
1542 PR tree-optimization/17506
1543 * tree-ssa.c (warn_uninit): If warning about a location outside of
1544 the current function, note where the variable was declared.
1546 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1548 PR tree-optimization/28411
1549 * double-int.c (double_int_div): Use double_int_divmod.
1550 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1551 double_int_mod, double_int_smod, double_int_umod): New functions.
1552 * double-int.h (double_int_divmod, double_int_sdivmod,
1553 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1555 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1557 (get_computation_aff, get_computation_cost_at): Handle double_int
1558 return type of constant_multiple_of.
1560 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1563 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1564 an implicit conversion.
1566 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1568 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1570 2006-08-27 Roger Sayle <roger@eyesopen.com>
1572 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1575 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1577 * config/i386/crtfastmath.c: Fix a comment typo.
1579 2006-08-26 Roger Sayle <roger@eyesopen.com>
1581 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1582 temporary visit flags on CASE_LABEL_EXPRs.
1583 * c-common.c (match_case_to_enum): Add function comment. Avoid
1584 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1585 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1586 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1587 a constant, only warn if that constant value isn't handled.
1589 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1592 * input.h (restore_input_file_stack): Declare.
1593 (INPUT_FILE_STACK_BITS): Define.
1594 * toplev.c (fs_p, input_file_stack_history,
1595 input_file_stack_restored, restore_input_file_stack): New.
1596 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1597 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1598 (pop_srcloc): Don't free old state of stack.
1600 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1603 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1604 (PowerPC Type Attributes): New.
1606 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1608 * config/xtensa/xtensa.c (function_arg_boundary): New.
1609 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1611 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1612 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1614 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1617 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1620 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1622 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1623 (verify_local_live_at_start): Likewise.
1625 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1628 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1629 omp_add_variable): Treat sizes as variable whenever not
1632 2006-08-26 Richard Guenther <rguenther@suse.de>
1635 * fold-const.c (fold_binary): Fold temporary to correct
1636 type before constructing new comparison.
1638 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1641 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1642 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1644 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1647 * c-decl.c (start_function): Don't try to process prototype
1648 information from old declaration that isn't a function.
1650 2006-08-25 Jan Hubicka <jh@suse.cz>
1653 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1655 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1658 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1661 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1663 PR tree-optimization/16876
1664 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1665 exit if PARM doesn't match VALUE.
1667 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1669 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1670 literal_prefix directive.
1671 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1672 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1673 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1675 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1678 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1679 predicate to general_operand. Add 0->y and I->r alternatives.
1681 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1683 * doc/tm.texi: Fix a typo.
1684 * predict.c: Fix comment typos.
1686 2006-08-25 Nick Clifton <nickc@redhat.com>
1688 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1689 assertions of "cpu" and "machine".
1691 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1694 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1695 the access through a base which has an alias set of 0 cannot
1698 2006-08-24 Bill Wendling <wendling@apple.com>
1700 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1702 2006-08-24 Jan Hubicka <jh@suse.cz>
1704 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1706 2006-08-24 Jan Hubicka <jh@suse.cz>
1709 * cgraph.c: Fix comments.
1710 (cgraph_varpool_mark_needed_node): Mark only variables not already
1712 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1713 (cgraph_varpool_assembled_nodes_queue): New static variable.
1714 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1715 (cgraph_varpool_output_debug_info): New function.
1716 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1717 * Makefile.in: Add gt-cgraphunit.h
1719 2006-08-24 Jan Hubicka <jh@suse.cz>
1721 * predict.c (probability_reliable_p): New predicate.
1722 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1723 (predict_loops): Do not predict loop exit with less than 2%
1725 * basic-block.h (edge_probability_reliable_p,
1726 br_prob_note_reliable_p): Declare.
1727 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1728 prediction when static predictor is not reliable.
1729 * rs6000.c (output_cbranch): Likewise.
1731 2006-08-23 Stuart Hastings <stuart@apple.com>
1734 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1735 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1737 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1740 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1741 complex values, nor for generic vector values.
1743 2006-08-22 Richard Guenther <rguenther@suse.de>
1746 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1747 parameter. Convert arguments to arithmetic expression to the
1749 (analyze_scalar_evolution_1): Adjust caller.
1751 2006-08-22 Jan Hubicka <jh@suse.cz>
1753 Patch by Paolo Bonzini
1754 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1757 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1759 PR tree-optimization/28003
1760 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1761 before grouping aliases.
1763 2006-08-22 Roger Sayle <roger@eyesopen.com>
1765 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1766 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1768 2006-08-21 Jason Merrill <jason@redhat.com>
1771 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1772 wrapper. Loop to handle nested wrappers.
1773 (gimplify_bind_expr): Remove temp parameter.
1774 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1775 and STATEMENT_LIST on the rhs.
1776 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1777 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1778 (gimplify_target_expr): Remove special BIND_EXPR handling.
1780 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1782 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1785 2006-08-21 Olivier Hainque <hainque@adacore.com>
1787 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1788 Arrange for the temporary captures of components overlapping the lhs
1789 to happen before the lhs is possibly cleared.
1791 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1793 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1794 necessary places to pass the correct "number of registers" values
1797 2006-08-20 Jan Hubicka <jh@suse.cz>
1799 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1800 (create_name_tags): Instead of quadratic checking use hashtable.
1801 * bitmap.h: Include hashtab.h.
1802 (bitmap_hash): Declare.
1803 * bitmap.c (bitmap_hash): New function.
1805 2006-08-20 Jan Hubicka <jh@suse.cz>
1807 PR rtl-optimization/28071
1808 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1810 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1811 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1812 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1813 cgraph_decide_inlining_incrementally): Update use of
1814 cgraph_check_inline_limits.
1815 * cgraph.c (edge_hash, edge_eq): New function.
1816 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1817 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1818 cgraph_remove_node): Maintain call site hash.
1819 * cgraph.h (struct cgraph_node): Add call_site_hash.
1820 (cgraph_set_call_stmt): New function.
1822 2006-08-20 Jan Hubicka <jh@suse.cz>
1824 PR rtl-optimization/28071
1825 * reload1.c (reg_has_output_reload): Turn into regset.
1826 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1827 choose_reload_regs, emit_reload_insns): Update to new
1828 reg_has_output_reload.
1830 2006-08-20 Jan Hubicka <jh@suse.cz>
1833 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1834 function body sizes.
1835 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1837 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1840 * tree.c (handle_dll_attribute): Return early if not a
1841 var or function decl.
1843 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1846 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1847 alignment of SPE vector types.
1849 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1851 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1853 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1856 * cgraph.h (struct cgraph_node): Remove externally_visible
1858 * cgraphunit.c (process_function_and_variable_attributes): Set
1859 local.externally_visible rather than externally_visible.
1862 * c-common.c (handle_externally_visible_attribute): First look
1863 at TREE_CODE and only if it is function or var decl, check for
1864 non-public objects. Don't warn for DECL_EXTERNAL.
1865 * cgraphunit.c (process_function_and_variable_attributes): Warn
1866 if externally_visible attribute is used on non-public object.
1868 2006-08-17 Jan Hubicka <jh@suse.cz>
1870 PR tree-optimization/27865
1871 * reload1.c (forget_marked_reloads): New function.
1872 (forget_old_reloads_1): When data are passed, just mark the registers
1874 (reload_as_needed): Use the new mechanizm.
1876 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1879 * reload.h (reg_equiv_alt_mem_list): New declaration.
1880 * reload1.c (reg_equiv_alt_mem_list): New definition.
1881 (reload): Initialize it and release it.
1882 (delete_output_reload): Use it.
1883 * reload.c (push_reg_equiv_alt_mem): New function.
1884 (find_reloads_toplev): Call it.
1885 (find_reloads_address, find_reloads_address_1): Likewise.
1886 (find_reloads_subreg_address): Likewise.
1888 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1890 PR rtl-optimization/28489
1891 * sched-ebb.c (begin_schedule_ready): Create basic block
1893 (advance_target_bb): Skip empty blocks.
1894 * haifa-sched.c (bb_note): Make global.
1895 * sched-int.h (bb_note): Add prototype.
1897 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1899 PR tree-optimization/27865
1900 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1902 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1903 fold_used_pointer, pointer_used_p): New functions.
1904 (analyze_scalar_evolution_1): Use fold_used_pointer.
1905 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1906 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1909 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1912 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1913 or the INTEGER_CST. Fail on a CALL_EXPR.
1914 (fold_offsetof): Pass new argument to fold_offsetof_1.
1915 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1916 operand into an INDIRECT_REF.
1917 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1919 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1921 PR gcov/profile/26570
1922 * value-prof.c (static_values): Removed.
1923 (tree_find_values_to_profile): Do not set static_values.
1924 (find_values_to_profile): Do not free static_values.
1925 * profile.c (instrument_values): Do not free the values.
1926 (branch_prob): Free the values.
1928 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1930 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1932 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1935 * c-typeck.c (build_component_ref): Combine qualifiers of
1936 structure or union and field.
1938 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1940 PR rtl-optimization/28071
1941 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1942 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1943 * tree-into-ssa.c (struct dom_dfsnum): New.
1944 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1946 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1947 compute_global_livein.
1948 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1949 in phi nodes in the correct blocks.
1951 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1953 PR tree-optimization/28364
1954 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1956 (fold_affine_expr): New function.
1957 (may_eliminate_iv): Use fold_affine_expr.
1959 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1962 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1965 2006-08-16 Mike Stump <mrs@apple.com>
1967 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1968 * doc/cppopts.texi (-MD): Likewise.
1970 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1973 * c-common.c (handle_weak_attribute): Ignore and warn if
1974 not a FUNCTION_ or VAR_DECL.
1976 2006-07-15 Mike Stump <mrs@apple.com>
1979 * c-parser.c (c_parser_typeof_specifier): Don't use
1980 c_finish_expr_stmt, open code desired semantics instead.
1982 2006-08-15 Nick Clifton <nickc@redhat.com>
1984 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1985 fragment to tmake_file only if threads are enabled.
1986 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1987 * config/i386/t-gthr-win32: New file. ... here.
1989 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1992 * c-parser.c (c_parser_compound_statement_nostart): Reset
1993 parser->error after each statement.
1995 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1998 * omp-low.c (lower_omp_parallel): Convert t to
1999 receiver_decl's type.
2000 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2001 source before comparison.
2004 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2005 to itype in assignment to oldival2.
2007 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2011 * c-typeck.c (build_compound_expr): If the second expression
2012 is an error mark, then just return an error mark instead of
2013 creating a COMPOUND_EXPR.
2015 2006-07-14 Mike Stump <mrs@apple.com>
2017 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2019 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2021 * c-decl.c, var-tracking.c: Fix comment typos.
2023 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2025 PR rtl-optimization/28634
2026 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2027 for floating-point modes unless flag_unsafe_math_optimizations.
2029 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2030 Andrew Pinski <pinskia@physics.uc.edu>
2033 * tree.c (build_array_type): Unify array types with
2034 unspecified index_type.
2035 * c-decl.c (grokdeclarator): Make sure we do not modify a
2036 unified incomplete array type.
2037 * c-typeck.c (store_init_value): Create distinct type before
2038 filling in the index type in an initializer from a compound
2041 * c-decl.c (grokdeclarator): Remove code where we copy the
2044 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2046 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2047 into account for TODO_dump_cgraph.
2048 (TODO_update_ssa_no_phi): Likewise.
2049 (TODO_update_ssa_full_phi): Likewise.
2050 (TODO_update_ssa_only_virtuals): Likewise.
2051 (TODO_remove_unused_locals): Likewise.
2052 (TODO_set_props): Likewise.
2053 (TODO_update_stmt_usage): Likewise.
2055 2006-08-13 Dirk Mueller <dmueller@suse.de>
2057 * c-common.c (strict_aliasing_warning): Fix formatting.
2059 2006-08-13 Matthias Klose <doko@debian.org>
2061 * doc/invoke.texi: Fix spelling errors.
2063 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2065 PR rtl-optimization/23454
2066 * reorg.c (relax_delay_slots): Update comment.
2068 2006-08-11 Richard Guenther <rguenther@suse.de>
2071 * simplify-rtx.c (simplify_const_relational_operation):
2072 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2075 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2077 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2078 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2080 2006-08-10 Paul Brook <paul@codesourcery.com>
2082 * final.c (final_scan_insn): Clear current_insn_predicate before
2083 outputting inline asm.
2085 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2087 PR tree-optimization/26197
2088 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2089 get_ref_base_and_extent and overlap_subvar to add only relevant
2090 subvars as may-aliases.
2091 (add_may_alias_for_new_tag): New function, factored out of
2093 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2094 with additional argument.
2095 * tree-flow.h (new_type_alias): Takes additional argument.
2097 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2099 * gcov.c (no_data_file): New flag.
2100 (read_count_file): Set it if data file not present. Assume counts
2102 (output_lines): Don't name the data file, if there wasn't one.
2104 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2106 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2107 (rs6000_generate_compare): Tweak comments.
2108 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2110 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2112 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2113 (var_debug_decl): New function.
2114 (var_reg_set): Follow debug decl link. Add location even if
2115 reg is already known to hold some other variable.
2116 (var_mem_set): Follow debug decl link.
2117 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2118 decl link. Delete other known locations of the variable part
2120 (var_reg_delete, var_mem_delete): Delete other known locations
2121 of the variable part if requested.
2122 (same_variable_part_p): New function.
2123 (add_stores): Select MO_COPY when appropriate.
2124 (vt_initialize): Handle it.
2125 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2126 known locations for MO_SET and MO_CLOBBER.
2127 (find_variable_location_part): New function.
2128 (set_variable_part, delete_variable_part): Use it.
2129 (clobber_variable_part): New function.
2130 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2133 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2135 PR tree-optimization/26969
2136 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2137 with an empty list of PHIs.
2139 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2143 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2146 2006-08-06 Andreas Schwab <schwab@suse.de>
2148 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2149 string. Whitespace and comment fixup.
2151 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2154 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2158 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2161 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2163 2006-08-04 Jan Hubicka <jh@suse.cz>
2167 * reload.c (push_reload): Patch out the mismatching instruction;
2169 (find_reload): Bail out if the instruction was patched out.
2171 2006-08-04 Jan Hubicka <jh@suse.cz>
2173 PR tree-optimization/24888
2174 * tree-inline.c (expand_call_inline): Do not re-record variables.
2175 (declare_inline_vars): Add variable to unexpanded_var_list.
2177 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2178 Roger Sayle <roger@eyesopen.com>
2180 PR rtl-optimization/26244
2181 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2182 inner_const are negative or greater than or equal to the bitsize of
2183 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2184 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2185 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2186 CONST0_RTX (mode) when the new shift count is greater than or equal to
2187 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2190 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2192 * tree-cfg.c: Fix a comment typo.
2194 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2197 * varasm.c (output_constant): Give the front end another chance to
2198 expand constants, after stripping NOPs.
2200 2006-08-03 Jan Hubicka <jh@suse.cz>
2202 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2205 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2207 PR tree-optimization/27770
2208 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2209 declaration removed (moved to tree-flow.h).
2210 (vect_can_force_dr_alignment_p): Likewise.
2211 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2212 (moved from tree-vectorizer.h).
2213 (vect_can_force_dr_alignment_p): Likewise.
2214 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2215 from outside the vectorizer - in particular from cgraph stage.
2216 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2217 the alignment of global arrays when -fsection-anchors is enabled.
2218 * cgraphunit.c (cgraph_increase_alignment): New function.
2219 (cgraph_optimize): Call cgraph_increase_alignment.
2221 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2224 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2225 not reload a SPE symbol_ref into a lo_sum address.
2227 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2230 * dwarf2out.c (prune_unused_types_prune): Move call to
2231 prune_unused_types_update_strings to cover the parent DIE also.
2233 2006-08-02 Jan Hubicka <jh@suse.cz>
2235 PR gcov/profile/28480
2236 * tree-cfg.c (change_bb_for_stmt): New function.
2237 (tree_merge_blocks, tree_split_blocks): Use it.
2239 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2245 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2246 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2247 (cgraph_optimize): Likewise.
2249 2006-08-01 Stuart Hastings <stuart@apple.com>
2251 * rtl.h (UINTVAL) New.
2252 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2253 * testsuite/gcc.dg/20060801-1.c: New.
2255 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2258 * c-typeck.c (build_external_type): Mark used enum types.
2259 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2261 (gen_subprogram_die): Whitespace fix.
2263 2006-08-01 Jan Hubicka <jh@suse.cz>
2265 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2266 bitmap when not needed.
2267 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2270 2006-08-01 Dirk Mueller <dmueller@suse.de>
2272 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2274 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2276 * Makefile.in: Revert part of previous patch:
2277 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2280 2006-07-30 Eric Christopher <echristo@apple.com>
2283 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2284 (PowerPC Variable Attributes): New section.
2286 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2288 PR target/28126 (partial fix)
2289 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2291 2006-07-28 Jan Hubicka <jh@suse.cz>
2293 PR rtl-optimization/28071
2294 * cfgrtl.c (rtl_delete_block): Free regsets.
2295 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2297 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2299 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2300 and variables used in dependencies.
2302 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2304 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2305 %fs for -mcmodel=kernel.
2306 (stack_tls_protect_test_di): Likewise.
2308 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2310 * Makefile.in: Use mkinstalldirs.
2312 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2315 * opts-common.c (prune_options): Skip joined switches.
2317 2006-07-27 Jan Hubicka <jh@suse.cz>
2319 PR rtl-optimization/28071
2320 * cselib.c (cselib_process_insn): Don't remove useless values too
2321 often for very large hashtables.
2323 2006-07-27 Jan Hubicka <jh@suse.cz>
2325 PR rtl-optimization/28071
2326 * global.c (greg_obstack): New obstack.
2327 (allocate_bb_info): Use it.
2328 (free_bb_info): Likewise.
2329 (modify_reg_pav): Likewise.
2331 2006-07-27 Roger Sayle <roger@eyesopen.com>
2333 * builtins.c (fold_fixed_mathfn): When long and long long are the
2334 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2335 functions to their lceil*, lfloor*, lround* and lrint* forms.
2337 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2340 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2342 (rev_branch_insn): Likewise.
2344 2006-07-27 Jan Hubicka <jh@suse.cz>
2346 PR rtl-optimization/28071
2347 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2348 (reg_set_in_bb, max_reg_computed): New static variables.
2349 (regmove_optimize): Free the new array.
2350 (fixup_match_1): Update call of reg_is_remote_constant_p.
2352 2006-07-26 Jan Hubicka <jh@suse.cz>
2354 PR tree-optimization/27882
2355 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2357 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2359 (cgraph_analyze_compilation_unit): Likewise.
2360 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2361 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2362 (cgraph_early_inlinine): Make order garbage collected.
2363 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2365 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2367 * dbxout.c (output_types_sort): Add a comment.
2368 (output_used_types): Free the VEC.
2370 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2372 * function.c (reorder_fix_fragments): Delete.
2373 (reorder_blocks): Don't call it.
2374 (reorder_blocks_1): Put all subblocks under the origin block.
2376 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2378 PR rtl-optimization/27907
2379 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2382 2006-07-25 Roger Sayle <roger@eyesopen.com>
2385 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2386 bar(x) check that bar's result type can represent all the values of T.
2388 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2390 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2392 2006-07-25 Nick Clifton <nickc@redhat.com>
2394 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2395 size_lookup[] array.
2396 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2397 (ggc_pch_count_object): Likewise.
2398 (ggc_pch_alloc_object): Likewise.
2399 (ggc_pch_write_object): Likewise.
2400 (init_ggc): Do not attempt to initialize entries in the
2401 size_lookup[] array for objects whose size is greater than than
2402 the length of the array.
2404 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2406 * dbxout.c (output_used_types_helper): Push queued types
2408 (output_types_sort): New.
2409 (output_used_types): Collect used types on a VEC and sort them
2412 2006-07-24 Richard Guenther <rguenther@suse.de>
2415 * cgraph.c (cgraph_remove_node): Do not check if dumps
2417 * cgraphunit.c (cgraph_optimize): Likewise.
2419 2006-07-24 Jan Hubicka <jh@suse.cz>
2421 PR rtl-optimization/28071
2422 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2423 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2424 splitting before first stmt.
2426 2006-07-24 Jan Hubicka <jh@suse.cz>
2428 PR rtl-optimization/28071
2429 * ipa-inline.c (update_caller_keys): Remove edges that
2430 are no longer inline candidates.
2432 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2435 * dbxout.c (output_used_types_helper, output_used_types): New.
2436 (dbxout_symbol): Call output_used_types.
2438 2006-07-23 Jan Hubicka <jh@suse.cz>
2442 * cgraph.c (cgraph_varpool_nodes): Export.
2443 (decide_is_variable_needed): Ignored "used" attribute in
2444 unit-at-a-time mode.
2445 * cgraph.h (cgraph_varpool_nodes): Declare.
2446 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2447 unit-at-a-time mode.
2449 2006-07-23 Roger Sayle <roger@eyesopen.com>
2452 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2453 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2454 the __gthrw form of thr_keycreate.
2455 (__gthread_key_delete): Silence the unused argument warning.
2457 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2460 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2461 Cache the last found '\0' marker to avoid quadratic behavior.
2463 2006-07-23 Jan Hubicka <jh@suse.cz>
2465 * i386.md (subsi_3_zext): Fix output template.
2467 2006-07-21 Mike Stump <mrs@apple.com>
2469 * doc/invoke.texi (C++ Dialect Options): Note that
2470 -fvisibility-inlines-hidden doesn't affect explicitly
2471 instantiationed inline methods.
2473 2006-07-20 Roger Sayle <roger@eyesopen.com>
2475 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2476 if the target assembler is GNU binutils' gas.
2477 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2478 whether to pass GNU gas or native as command line options.
2480 2006-07-20 Jason Merrill <jason@redhat.com>
2482 * tree.c (remove_attribute): New fn.
2483 * tree.h: Declare it.
2485 2006-07-20 Paul Brook <paul@codesourcery.com>
2488 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2489 they are invalidated by this instruction.
2491 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2494 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2496 2006-07-20 Eric Christopher <echristo@apple.com>
2499 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2501 2006-07-19 Eric Christopher <echristo@apple.com>
2503 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2504 Rewrite dependencies for libgcc_s.1.dylib.
2506 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2508 * except.c (duplicate_eh_regions_1): Clear next_peer.
2510 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2512 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2513 -mlongcall does not guarantee all calls will be long.
2514 * doc/extend.texi (long_call/short_call): Document that longcall
2515 does not guarantee a long call will be used.
2516 (longcall/shortcall): Likewise.
2518 2006-07-18 Roger Sayle <roger@eyesopen.com>
2521 * expmed.c (expand_shift): Additionally check that the shift_cost
2522 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2523 before implementing a LSHIFT_EXPR as a sequence of additions.
2524 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2525 middle-end that DImode shifts need to be synthesized by expand.
2527 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2530 * tree-ssa-operands.c (access_can_touch_variable): Update
2532 Return true if ALIAS is .GLOBAL_VAR.
2534 2006-07-18 David Daney <ddaney@avtrex.com>
2536 * gcc.c (display_help): Fix typo in help text.
2538 2006-07-18 Olivier Hainque <hainque@adacore.com>
2540 * tree.h (categorize_ctor_elements): Adjust prototype and add
2541 descriptive comment, both in accordance with the interface change
2543 * varasm.c (constructor_static_from_elts_p): New function.
2544 Whether a constructor node is a valid static constant initializer
2545 if all its elements are.
2546 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2547 * output.h: Declare it.
2548 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2549 is a valid constant initializer instead of computing the number of
2550 non-constant elements. Use constructor_static_from_elts_p for this
2551 purpose. Replace the head comment with an indication that this is a
2552 helper for categorize_ctor_elements.
2553 (categorize_ctor_elements): Same interface change as for the _1
2554 helper. Former head comment from this helper moved here, adjusted to
2555 account for the interface changes.
2556 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2557 (all_zeros_p): Likewise.
2558 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2559 static versions of the constructor from the categorize_ctor_elements
2560 return value instead of the formerly computed number of non-constant
2563 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2565 * configure: Regenerate.
2566 * Makefile.in (build_libsubdir): New configure substitution
2567 (build_libobjdir): New variable.
2568 (BUILD_LIBIBERTY): Use it.
2570 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2573 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2575 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2578 * c-common.c (handle_weakref_attribute): Ignore attribute in
2579 the same conditions the alias attribute is ignored.
2581 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2583 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2584 (dbxout_begin_prologue): Increment scope_labelno.
2586 2006-07-17 Richard Henderson <rth@redhat.com>
2589 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2592 2006-07-17 Roger Sayle <roger@eyesopen.com>
2593 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2595 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2596 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2597 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2598 functions such as sbrk, write, etc.. Add function prototypes.
2599 Convert function declarations from K&R to ISO C. Cast pointers
2600 to "long" and "unsigned long" instead of "int" and "unsigned int".
2601 Convert tokens following #endif into comments.
2603 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2605 * invoke.texi: Remove mention of f77; Reformat table for
2606 inline parameter options correctly; mention that -malign-double
2607 is default on x86-64 targets.
2609 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2611 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2612 (convert_affine_scev, chrec_convert_aggressive): Use
2613 avoid_arithmetics_in_type_p. Do not check for the subtypes
2616 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2619 * optabs.c (expand_doubleword_shift): Wrap the call to
2620 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2622 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2625 * optabs.c (expand_binop): Pass next_methods rather than methods
2626 to expand_doubleword_shift.
2628 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2631 * tree.h (dump_addr): Declare.
2632 * print-tree.c (dump_addr): New function.
2633 (print_node_brief, print_node): Use it.
2634 * print-rtl.c (print_rtx): Likewise.
2635 * common.opt (-fdump-noaddr): New option.
2636 * doc/invoke.texi (-fdump-noaddr): Document.
2637 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2638 (ve_info_hash): Likewise.
2640 2006-07-13 Andrew Haley <aph@redhat.com>
2642 PR tree-optimization/19505
2643 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2644 edge leaving this block, make sure that the destination of this
2645 block has only one predecessor.
2647 2006-07-17 Richard Guenther <rguenther@suse.de>
2649 PR tree-optimization/28238
2650 * tree-inline.c (copy_bb): Check if we produced valid
2651 gimple copying and substituting a stmt. If not, gimplify
2654 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2656 * optabs.c (maybe_encapsulate_block): New function extracted from...
2657 (emit_libcall_block): ...here. Invoke it on the block of insns to
2658 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2659 (emit_no_conflict_block): Likewise.
2661 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2663 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2665 2006-07-15 Roger Sayle <roger@eyesopen.com>
2667 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2668 a new NOP_EXPR case of the switch statement.
2670 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2673 * stor-layout.c (place_field): Take the bit field with
2674 an excessive size into account in the ms-bitfiled case.
2677 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2678 the previous bit field.
2680 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2683 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2685 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2687 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2688 signal frames correctly even when the signal was installed with
2691 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2693 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2694 (dbxout_function_end): Use local label LFBB. Remove hook
2696 (dbxout_source_line): Use local label LFBB.
2697 (dbxout_block): Likewise.
2698 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2699 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2700 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2701 and DBX_OUTPUT_NFUN.
2703 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2705 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2707 2006-07-13 Jan Hubicka <jh@suse.cz>
2709 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2711 * output.h (align_variable): Declare.
2712 * varasm.c (align_variable): Export.
2713 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2714 when basic block changed.
2716 2006-07-13 Nick Clifton <nickc@redhat.com>
2718 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2719 walking the LOG_LINKS chain.
2721 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2723 * doc/invoke.texi (C++ Dialect Options): Explain difference
2724 between -fvisibility-inlines-hidden and setting hidden
2725 visibility explicitly.
2727 2006-07-12 Eric Christopher <echristo@apple.com>
2729 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2730 (stmp-lipo): Depend on libgcc.a.
2732 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2734 * tree.c: Fix a comment typo.
2736 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2738 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2740 (umulhisi3_r): Likewise.
2742 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2745 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2746 x < 19, vs wchar_t support.
2748 2006-07-12 Nick Clifton <nickc@redhat.com>
2750 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2751 instead of -isa=sh4.
2753 2006-07-12 Mike Stump <mrs@apple.com>
2755 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2757 2006-07-10 Eric Christopher <echristo@apple.com>
2759 * config/t-slibgcc-darwin: Rewrite.
2761 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2764 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2767 2006-07-08 Matthias Klose <doko@debian.org>
2769 * doc/sourcebuild.texi: Fix typo.
2771 2006-07-07 Mike Stump <mrs@apple.com>
2773 * toplev.c (process_options): Don't give -ffunction-sections may
2774 affect debugging warning for Mach-O.
2776 2006-07-07 James E Wilson <wilson@specifix.com>
2778 * config/mips/mips.md (cpu): Add sb1a.
2779 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2780 addition to sb1. Adjust comments to clarify SB-1A differences from
2782 (ir_sb1a_load): New. Modify bypasses to use it.
2783 (ir_sb1a_simple_alu): Likewise.
2784 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2785 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2786 (mips_issue_rate): Add PROCESSOR_SB1A.
2787 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2788 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2789 (TARGET_SB1): Add PROCESSOR_SB1A check.
2790 (TUNE_SB1): Likewise.
2792 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2793 * config/mips/mips.c (mips_store_data_bypass_p): New.
2794 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2795 store_data_bypass_p.
2797 2006-07-08 Paul Brook <paul@codesourcery.com>
2800 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2802 2006-07-07 Richard Guenther <rguenther@suse.de>
2805 * tree.h (build_one_cst): Declare.
2806 * tree.c (build_one_cst): New function.
2807 * tree-ssa-math-opts.c (get_constant_one): Remove.
2808 (insert_reciprocals): Use build_one_cst.
2809 * fold-const.c (fold_plusminus_mult): Likewise.
2811 2006-07-07 Roger Sayle <roger@eyesopen.com>
2813 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2814 * cfgloopanal.c (dump_graph): Likewise.
2815 * dojump.c (discard_pending_stack_adjust): Likewise.
2816 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2818 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2819 * function.c (finalize_block_changes): Likewise.
2820 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2821 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2822 * rtl.c (dump_rtx_statistics): Likewise.
2823 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2825 * varray.c (dump_varray_statistics): Likewise.
2826 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2827 decode_decimal64, encode_decimal128, decode_decimal128,
2828 decimal_real_to_decimal): Likewise.
2830 2006-07-07 Richard Guenther <rguenther@suse.de>
2832 PR tree-optimization/28187
2833 * tree-vrp.c (vrp_operand_equal_p): New function.
2834 (vrp_bitmap_equal_p): Likewise.
2835 (update_value_range): Use them to compare old and new
2838 2006-07-06 Roger Sayle <roger@eyesopen.com>
2840 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2841 a default case to switch statement to silence compiler warnings.
2843 2006-07-06 Roger Sayle <roger@eyesopen.com>
2846 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2847 the configured assembler supports the x87's ffreep mnemonic.
2848 * configure: Regenerate.
2849 * config.in: Regenerate.
2851 * config/i386/i386.c (output_387_ffreep): New function.
2852 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2853 (output_387_reg_move): Likewise.
2855 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2857 Port to hosts whose 'sort' and 'tail' implementations
2858 treat operands with leading '+' as file names, as POSIX
2859 has required since 2001. However, make sure the code still
2860 works on pre-POSIX hosts.
2861 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2862 which says you should use "tail -c +N" rather than "tail +Nc".
2863 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2865 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2867 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2870 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2873 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2874 PRE_{INC,DEC} of TFmode.
2876 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2877 Alan Modra <amodra@bigpond.net.au>
2880 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2883 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2886 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2887 Remove duplicate gtu.
2889 2006-07-05 Jason Merrill <jason@redhat.com>
2893 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2894 * c-common.c (handle_packed_attribute): So don't copy it here.
2895 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2897 2006-07-05 Mike Stump <mrs@apple.com>
2899 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2901 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2904 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2906 2006-07-05 Richard Guenther <rguenther@suse.de>
2909 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2910 TARGET_SSE2 targets if using SSE math.
2911 (*absdf2_1): Likewise.
2913 2006-07-05 Richard Guenther <rguenther@suse.de>
2915 PR tree-optimization/28162
2916 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2917 make sure to convert the operands to the correct type.
2919 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2921 PR tree-optimization/28218
2923 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2924 to calculate and free the dominator information.
2926 2006-07-04 Peter O'Gorman <peter@pogma.com>
2928 * mklibgcc.in: chmod 644 before ranlib during install.
2930 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2931 J"orn Rennecke <joern.rennecke@st.com>
2933 * configure.ac (.eh_frame data check): Use diff -b.
2935 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2938 * Makefile.in (BUILD_RTL): Add build/vec.o.
2939 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2940 (build/genextract): Delete.
2941 (build/genautomata): Likewise.
2943 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2946 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2947 128-bit IBM long doubles for ABI_V4.
2949 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2951 * tree.c (range_in_array_bounds_p): New predicate.
2952 * tree.h (range_in_array_bounds_p): Declare it.
2953 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2954 return a less conservative answer.
2955 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2956 and flag 'is_group'.
2957 (IS_ELEMENT_FOR_GROUP): New macro.
2958 (FOR_EACH_ACTUAL_CHILD): Likewise.
2959 (next_child_for_group): New helper function.
2960 (can_completely_scalarize_p): Take into account groups.
2961 (sra_hash_tree): Handle RANGE_EXPR.
2962 (sra_elt_eq): Likewise.
2963 (lookup_element): Be prepared for handling groups.
2964 (is_valid_const_index): Delete.
2965 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2966 instead of is_valid_const_index.
2967 <ARRAY_RANGE_REF>: New case.
2968 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2969 is_valid_const_index.
2970 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2971 (scan_dump): Dump info for groups too.
2972 (decide_instantiation_1): Likewise.
2973 (decide_block_copy): Assert that the element is not a group.
2974 Propagate decision to groups.
2975 (generate_one_element_ref): Handle RANGE_EXPR.
2976 (mark_no_warning): Iterate over actual childs.
2977 (generate_copy_inout): Likewise.
2978 (generate_element_copy): Likewise.
2979 (generate_element_zero): Likewise.
2980 (generate_element_init_1): Likewise.
2981 (dump_sra_elt_name): Handle RANGE_EXPR.
2983 2006-07-03 Roger Sayle <roger@eyesopen.com>
2985 PR tree-optimization/26251
2986 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2987 (thread_block): When optimizing for size refuse to thread jumps
2988 that would require duplication of blocks other than redirection
2991 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2993 * configure.ac: Fix thinko in previous check-in.
2994 * configure: Regenerate.
2996 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2999 * configure.ac (for lang...): Simplify nesting of conditionals.
3000 Test subdir_requires for non-enabled languages. Move processing
3001 of lang_opt_files and lang_tree_fiels below that test.
3002 * configure: Regenerate.
3003 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3005 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3007 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3009 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3011 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3014 2006-06-29 Jason Merrill <jason@redhat.com>
3021 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3022 * c-common.c (c_determine_visibility): Handle it here.
3023 * c-decl.c (finish_decl): Call c_determine_visibility for
3025 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3027 * varasm.c (default_assemble_visibility): Likewise.
3028 * c-common.c (handle_visibility_attribute): Complain about trying
3029 to give visibility to an already defined class, or trying to change
3030 declared visibility. Always attach the attribute.
3035 * attribs.c (decl_attributes): Ignore type-in-place attributes
3036 once the type has been defined.
3038 2006-06-29 Roger Sayle <roger@eyesopen.com>
3041 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3042 to indicate the cpplib has issued an error message for us.
3044 2006-06-29 Asher Langton <langton2@llnl.gov>
3047 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3048 insert a label at the end of an function under Mach-O.
3050 2006-06-29 Eric Christopher <echristo@apple.com>
3051 Evan Cheng <evan.cheng@apple.com>
3053 * predicates.md (vector_all_ones_operand): New.
3054 (nonimmediate_or_sse_const_operand): Ditto.
3055 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3056 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3057 (standard_sse_mode_p): Ditto.
3058 (standard_sse_constant_p): Add case for -1 vector.
3059 (ix86_expand_vector_move): Try to use.
3060 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3061 Call standard_sse_constant_opcode.
3062 (*movv4sf_internal): Ditto.
3063 (*movv2df_internal): Ditto.
3065 2006-06-29 Roger Sayle <roger@eyesopen.com>
3067 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3068 of XEXP to extract the operands of a MATCH_CODE rtx.
3070 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3072 * tree.c (tree_size): Do not waste tail padding in
3073 struct tree_string and make the size be the same as
3074 build_string will generate.
3076 2006-06-28 Jason Merrill <jason@redhat.com>
3079 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3080 may_aliases already in the tag's annotations to the bitmap.
3082 2006-06-28 Roger Sayle <roger@eyesopen.com>
3084 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3086 2006-06-28 Roger Sayle <roger@eyesopen.com>
3088 * genpreds.c (generate_switch_p): New function.
3089 (add_mode_tests): Push the new mode test down inside an AND expr
3090 if this allows the switch-suitable MATCH_CODE to be near the root.
3091 (write_match_code_switch): New function to write a MATCH_CODE as
3093 (write_predicate_stmts): New function to write a predicate RTX
3094 expression as a sequence of statements.
3095 (write_one_predicate_function): Use write_predicate_stmts.
3096 (write_tm_constrs_h): Likewise.
3098 2006-06-26 Fred Fish <fnf@specifix.com>
3100 * config/mips/t-sb1: New file.
3101 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3104 2006-06-26 DJ Delorie <dj@redhat.com>
3106 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3108 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3109 Jayant Sonar <jayants@kpitcummins.com>
3110 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3112 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3113 (subsi3, subsi3_1, subsi3_2): New.
3114 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3115 * config/m32c/mov.md (SI mov peephole): New.
3116 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3117 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3119 2006-06-26 Olivier Hainque <hainque@adacore.com>
3121 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3122 a CALL_EXPR target function declaration.
3124 2006-06-26 Richard Guenther <rguenther@suse.de>
3126 * tree.c (build_string): Do not waste tail padding in
3129 2006-06-26 Richard Guenther <rguenther@suse.de>
3131 * ggc-page.c (init_ggc): Add missing element to size_lookup
3135 2006-06-23 Richard Guenther <rguenther@suse.de>
3137 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3138 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3139 alignment requests instead. Add verification code.
3140 Add struct tree_function_decl and struct tree_binfo size to
3141 extra_order_size_table. Add missing element to size_lookup
3144 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3147 * fold-const.c (const_binop): Be prepared for self returning zero.
3148 Simplify code handling complex values.
3150 2006-06-24 Olivier Hainque <hainque@adacore.com>
3152 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3153 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3156 2006-06-24 Olivier Hainque <hainque@adacore.com>
3158 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3159 ARRAY_REF, so have the callback called for the low bound expression.
3161 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3163 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3164 * c-typeck.c (c_common_type): Disallow operations on decimal float
3165 types and other float types.
3166 * convert.c (convert_to_real): Don't ignore conversions involving
3167 decimal float types.
3169 2006-06-23 Olivier Hainque <hainque@adacore.com>
3171 * tree.c (max_int_size_in_bytes): New function, inspired from
3172 code in function.c:assign_temp.
3173 * tree.h (max_int_size_in_bytes): Declare.
3174 * function.c (assign_temp): Use it.
3175 * gimplify.c (create_tmp_var): Relax the assertions on the type
3176 properties, not mandating constant size any more.
3177 (force_constant_size): New static function.
3178 (gimple_add_tmp_var): Use it, forcing variable size to a
3179 constant upper bound if it is not constant on entry.
3181 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3184 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3185 for initialization and setting of one_only flag to ...
3186 (i386_pe_encode_section_info): ...here.
3187 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3188 Recheck that the symbol has not been defined.
3190 2006-06-23 Richard Guenther <rguenther@suse.de>
3192 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3193 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3194 alignment requests instead. Add verification code.
3195 Add struct tree_function_decl and struct tree_binfo size to
3196 extra_order_size_table. Add missing element to size_lookup
3199 2006-06-22 Roger Sayle <roger@eyesopen.com>
3200 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3203 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3204 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3206 2006-06-23 Ben Elliston <bje@au.ibm.com>
3208 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3209 negate dn -- manipulate it directly.
3211 2006-06-22 Roger Sayle <roger@eyesopen.com>
3212 Steven Bosscher <stevenb.gcc@gmail.com>
3215 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3216 generated by gen_move_insn to add REG_LABEL notes if necessary.
3218 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3220 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3221 (leaf_entry): Remove use of MIN_ESA.
3223 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3225 PR rtl-optimization/28121
3226 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3229 2006-06-21 DJ Delorie <dj@redhat.com>
3231 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3233 (mulhisi3_r): Likewise.
3235 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3238 * coverage.c (coverage_counter_alloc): Leave the index type
3240 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3243 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3245 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3246 section from the "Options for Code Generation Conventions".
3248 2006-06-21 Richard Henderson <rth@redhat.com>
3252 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3254 (global_symbolic_operand): Allow weak symbols, even if local_p.
3256 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3258 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3259 (find_interesting_uses_address): Punt if above function returns true.
3261 2006-06-21 Richard Guenther <rguenther@suse.de>
3263 * configure: Regenerated.
3265 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3267 * config/mips/mips.c (function_arg): Where one part of a
3268 complex argument is in registers and the other part in the stack,
3269 return a REG not a PARALLEL.
3271 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3273 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3274 when cross-compiling. Do not substitute libstdcxx_incdir.
3275 * configure: Regenerated.
3277 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3279 * varasm.c (mergeable_string_section): Check for embedded NULs and
3280 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3281 rather than TREE_STRING_LENGTH bytes.
3283 2006-06-21 Richard Guenther <rguenther@suse.de>
3285 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3286 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3289 2006-06-21 Richrad Guenther <rguenther@suse.de>
3291 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3292 Limit iteration over the dominators.
3294 2006-06-20 Roger Sayle <roger@eyesopen.com>
3296 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3297 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3299 2006-06-20 Richard Guenther <rguenther@suse.de>
3300 Michael Matz <matz@suse.de>
3302 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3304 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3305 * et-forest.h (et_free_pools): Prototype new function.
3306 * et-forest.c (et_free_tree_force): Free parent occurrence.
3307 (et_free_pools): New function.
3308 * dominance.c (free_dominance_info): Free et-forest alloc
3311 2006-06-20 Roger Sayle <roger@eyesopen.com>
3313 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3314 integer modes, attempt to directly construct an integer constant.
3316 * fold-const.c (native_encode_vector): Determine the size of each
3317 element from the vector type instead of the first vector element.
3319 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3320 if all of its elements/components are constant.
3321 (build_constructor_from_list): Likewise.
3323 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3325 PR tree-optimization/27331
3326 * tree-data-ref.c (free_data_ref): New function.
3327 (create_data_ref): Fail if the data reference has unknown access
3329 (free_data_refs): Use free_data_ref.
3331 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3334 * tree-inline.c (setup_one_parameter): Strip useless
3335 type conversion before adding it to the IR.
3336 (declare_return_variable): Likewise.
3338 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3341 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3343 2006-06-19 Mike Stump <mrs@apple.com>
3345 * tree.c (variably_modified_type_p): VM arguments don't make the
3348 2006-06-19 Richard Guenther <rguenther@suse.de>
3350 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3351 type conversions after folding.
3353 2006-06-19 Richard Guenther <rguenther@suse.de>
3355 * ggc-page.c (extra_order_size_tab): Add entries with
3356 size of struct function and basic_block.
3357 (size_lookup): Extend to cover sizes up to 511.
3358 (ggc_alloc_stat): Adjust user.
3359 (ggc_pch_count_object): Likewise.
3360 (ggc_pch_alloc_object): Likewise.
3361 (ggc_pch_write_object): Likewise.
3363 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3365 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3366 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3369 2006-06-19 Denis Chertykov <denisc@overta.ru>
3371 * config/avr/libgcc.S : Correct my wrong previous commit.
3373 2006-06-19 Roger Sayle <roger@eyesopen.com>
3376 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3377 have stripped a SUBREG from the shift count, so we may need to
3378 convert_to_mode back to the type's mode before calling make_tree.
3379 Use new_amount instead of amount to avoid expanding a tree twice.
3381 2006-06-19 Richard Guenther <rguenther@suse.de>
3384 * fold-const.c (operand_equal_p): Check if the argument types
3385 have the same precision before stripping NOPs.
3387 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3389 Fix PR tree-optimization/27341
3390 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3392 * tree-complex.c (pass_lower_complex): Update SMT usage.
3394 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3396 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3397 Add a new alternative to the constraint strings. Add move of
3398 operand 1 to 3 to the splitter definition.
3399 ("doloop_si_long"): Second contraint alternative removed.
3401 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3403 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3404 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3406 (AVR_HAVE_MOVW) Define.
3407 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3408 (ASM_SPEC): Add avr25.
3409 (LINK_SPEC): Add avr25.
3410 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3411 (base_arch_s): Add new member 'have_movw_lpmx'.
3412 (avr_arch_types): Init 'have_movw_lpmx'.
3413 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3414 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3415 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3416 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3417 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3419 (avr_file_start): Do not output '.arh' derective.
3420 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3421 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3422 * config/avr/avr.md (mcu_enhanced): Delete.
3423 (mcu_have_movw): Define.
3424 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3425 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3426 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3427 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3428 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3429 attiny861 and at86rf401 devices.
3431 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3433 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3436 2006-06-17 Karl Berry <karl@gnu.org>
3438 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3439 doc/gccint.texi, doc/install.texi (@dircategory): Use
3440 "Software development" instead of "Programming", following
3441 the Free Software Directory.
3443 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3445 * config/i386/i386.c (legitimate_tls_address)
3446 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3447 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3448 (*tls_dynamic_gnu2_combine_64): Likewise.
3450 2006-06-16 Richard Guenther <rguenther@suse.de>
3453 * fold-const.c (negate_expr_p): Do not introduce undefined
3454 overflow in negating INTEGER_CSTs.
3455 (fold_negate_expr): Rename from negate_expr. Revert last
3456 change for folding BIT_NOT_EXPR. Change semantics to
3457 return NULL_TREE for non-simplified negations. Do not
3458 strip type conversions and unify type handling.
3459 (negate_expr): New function, wrap around fold_negate_expr
3460 but ensure building a tree always. Strip type conversions
3461 here, fold to result type.
3462 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3464 2006-06-16 Roger Sayle <roger@eyesopen.com>
3467 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3468 that (would) return their results in stack registers.
3470 2006-06-16 Michael Matz <matz@suse.de>
3471 Richard Guenther <rguenther@suse.de>
3473 * fold-const.c (fold_truthop): Only return new tree node if
3474 we canonicalized something.
3476 2006-06-16 Richard Guenther <rguenther@suse.de>
3478 * function.h (enum function_frequency): Move declaration
3479 out of struct function.
3480 (struct function): Move bool fields and the enum to the bitfield
3481 section. Reorder elements to avoid padding. Remove unused
3482 fields left over from the RTL inliner removal.
3483 * function.c (free_after_compilation): Do not zero removed fields.
3484 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3485 (ipa-type-escape.o): Likewise.
3487 2006-06-16 Richard Guenther <rguenther@suse.de>
3489 * cgraph.h (struct cgraph_local_info): Turn bool elements
3491 (struct cgraph_node): Likewise.
3492 (struct cgraph_varpool_node): Likewise.
3494 2006-06-15 Richard Guenther <rguenther@suse.de>
3496 * fold-const.c (fold_truth_not_expr): Rename from
3497 invert_truthvalue. Give it fold_* semantics to avoid
3499 (invert_truthvalue): New function. Wrapper around
3500 fold_truth_not_expr.
3501 (optimize_minmax_comparison): Avoid creating garbage.
3502 (fold_unary): Use fold_truth_not_expr for folding
3504 (fold_ternary): Replace uses of invert_truthvalue with
3505 fold_truth_not_expr where applicable.
3506 * tree.h (fold_truth_not_expr): Prototype.
3508 2006-06-16 Richard Guenther <rguenther@suse.de>
3510 PR tree-optimization/27781
3511 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3512 * ipa-pure-const.c (target.h): Include.
3513 (analyze_function): Do not analyze functions that do not
3516 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3519 * tree-dfa.c (referenced_vars_dup_list): Remove.
3520 (find_referenced_vars): Remove assert.
3521 (referenced_var_check_and_insert): Replace dup list with assert.
3522 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3523 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3525 2006-06-15 Richard Guenther <rguenther@suse.de>
3527 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3528 extra unused identifiers if not dumping.
3529 (create_variable_info_for): Likewise.
3531 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3533 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3534 (derive_constant_upper_bound): Derive more precise upper bound in
3535 common cases. Return type changed to double_int.
3536 (record_estimate): Reflect the changed return type of
3537 derive_constant_upper_bound.
3538 * double-int.c (double_int_zext, double_int_sext): Fix.
3540 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3542 * configure.ac (CFLAGS): Get them from the toplevel or from the
3543 configure invocation.
3544 * configure: Regenerate.
3545 * Makefile.in (CFLAGS): Substitute value provided by configure.
3547 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3550 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3551 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3552 rather than calling add_stmt on it.
3553 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3555 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3558 * reload1.c (reload): Remove registers returned by update_eliminables
3559 from used_spill_regs.
3561 2006-06-13 DJ Delorie <dj@redhat.com>
3563 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3565 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3567 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3568 html__strip_dir, html__mkdir_p. Enhance install-html target.
3569 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3570 * configure: Regenerate.
3572 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3574 * fold-const.c (fold_cond_expr_with_comparison): Check for
3575 Objective-C++ as language in deciding COND_EXPR transformation.
3577 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3580 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3581 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3582 * config/sh/lib1funcs.h (SL, SL1): Define.
3583 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3584 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3585 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3586 (OBJS_Os_4_200): New variable.
3587 ($(T)libgcc-Os-4-200.a): Use it.
3588 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3589 when dividing 1 and/or by 0.
3591 2006-06-13 Roger Sayle <roger@eyesopen.com>
3593 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3594 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3595 * configure: Regenerate.
3597 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3599 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3600 for real instruction.
3602 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3605 * haifa-sched.c (check_cfg): Handle special case.
3607 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3610 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3611 Add debug_info parameter. Chain the vars to the BLOCK instead
3612 of the BIND_EXPR if debug info are requested for them.
3613 (pop_gimplify_context): Adjust for above change.
3614 (gimple_add_tmp_var): Likewise.
3615 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3617 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3618 (convert_local_reference): Likewise.
3619 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3620 (finalize_nesting_tree_1): Request that debug info be emitted
3621 for debug_var_chain.
3623 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3625 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3626 for PR target/27863.
3628 2006-06-13 Richard Guenther <rguenther@suse.de>
3631 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3633 2006-06-13 Richard Guenther <rguenther@suse.de>
3635 PR tree-optimization/27830
3636 * tree-inline.c (copy_body_r): For copying the operand
3637 of an ADDR_EXPR make sure to fold &* afterwards.
3639 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3641 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3642 lvalues in the fb_none case with side-effects.
3644 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3646 * tree-flow.h: Remove the prototype for
3647 compute_phi_arg_on_exit.
3648 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3649 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3652 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3654 * builtins.c (expand_builtin_return_addr): Only use
3655 frame_pointer_rtx when count == 0 and we are expanding
3656 __builtin_return_address.
3658 2006-06-12 Fred Fish <fnf@specifix.com>
3660 * config/mips/mips.c (mips_file_start): Create special section
3661 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3663 2006-06-11 Eric Christopher <echristo@apple.com>
3666 * stor-layout.c (place_field): Remove check for
3667 remaining_in_alignment when aligning at the end of a run.
3669 2006-06-11 Eric Christopher <echristo@apple.com>
3672 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3675 2006-06-11 Roger Sayle <roger@eyesopen.com>
3678 Revert incorrect fix for PR target/27158
3679 2006-05-08 Roger Sayle <roger@eyesopen.com>
3680 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3681 of a reg_equiv_constant if the result is a legitimate constant.
3683 2006-06-11 Roger Sayle <roger@eyesopen.com>
3686 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3687 extract a CONST_VECTOR element and interpret it as an integer.
3688 (vspltis_constant): Use const_vector_elt_as_int instead of the
3689 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3690 * config/rs6000/predicates.md (easy_vector_const): Consider
3691 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3693 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3696 * stor-layout.c (update_alignment_for_field): Don't add extra
3697 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3700 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3702 * config/mips/t-rtems: Add EL/EB multilib variants.
3704 2006-06-09 Mike Stump <mrs@apple.com>
3706 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3708 2006-06-09 David Daney <ddaney@avtrex.com>
3710 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3712 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3714 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3716 2006-06-09 Richard Guenther <rguenther@suse.de>
3718 PR tree-optimization/26998
3719 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3720 of signed types, only TYPE_MIN_VALUE is special, but for both,
3721 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3722 in this case, as is -fwrapv.
3724 2006-06-08 Mike Stump <mrs@apple.com>
3727 * config/darwin.c (darwin_asm_output_anchor): Disable
3728 -fsection-anchors on darwin for now.
3729 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3730 * rs6000/rs6000.c (optimization_options): Likewise.
3732 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3735 * config/i386/i386.c (classify_argument): Skip fields with invalid
3738 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3740 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3741 (cse_insn): Likewise for the stack_pointer_rtx.
3743 2006-06-08 Roger Sayle <roger@eyesopen.com>
3745 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3746 conditions from floating point comparisons.
3748 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3751 * expmed.c (struct alg_hash_entry): Fix type of field T
3752 to match synth_mult argument.
3753 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3755 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3758 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3761 2006-06-08 Richard Guenther <rguenther@suse.de>
3764 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3765 only, if overflow is defined and not trapping.
3766 (negate_expr): Likewise.
3768 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3770 PR tree-optimization/27872
3771 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3772 flag on the new exit edge of the unrolled loop.
3774 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3776 PR rtl-optimization/26449
3777 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3779 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3782 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3783 referenced_variables with matching DECL_UID's.
3784 (find_referenced_vars): Make sure duplicate list is empty to start.
3785 (referenced_var_p): Remove.
3786 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3787 Check if var is in the list, and add if needed. Update the duplicate
3788 list if a different var is in the list with the same DECL_UID.
3789 (add_referenced_var): Call routine to check and insert.
3790 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3791 * tree-flow.h (referenced_vars_dup_list): External declaration.
3793 2006-06-07 Fred Fish <fnf@specifix.com>
3795 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3798 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3801 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3802 the imaginary and real parts of a clobbered register.
3803 Emit insn to set the imaginary part.
3805 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3807 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3808 in lieu of unwind-dw2-fde.c.
3810 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3812 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3814 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3817 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3818 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3819 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3820 V4SImode temporaries and operations instead.
3822 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3824 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3827 2006-06-06 Mike Stump <mrs@apple.com>
3829 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3830 installing during build.
3832 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3834 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3836 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3837 * config/ia64/ia64.c (params.h): New header.
3838 (ia64_optimization_options): New function to adjust parameters.
3839 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3840 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3841 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3843 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3845 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3847 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3850 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3852 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3853 Victor Kaplansky <victork@il.ibm.com>
3855 PR tree-optimization/26360
3856 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3859 2006-06-04 Roger Sayle <roger@eyesopen.com>
3860 Andrew Pinski <pinskia@physics.uc.edu>
3863 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3864 for LABEL_DECL before calling DECL_WEAK.
3867 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3868 LABEL_DECL and PARM_DECL.
3870 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3874 * c-decl.c (grokdeclarator): Disallow variably modified types at
3875 file scope. Avoid marking shared array type of constant size as
3878 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3881 * c-common.c (fold_offsetof_1): Handle static members.
3883 2006-06-04 Eric Christopher <echristo@apple.com>
3885 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3886 (debug_rli): Output value for remaining_in_alignment.
3887 (update_alignment_for_field): Unconditionalize
3888 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3889 extra alignment code.
3890 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3891 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3892 * tree.h (record_layout_info_s): Remove prev_packed.
3893 * doc/extend.texi (ms_struct): Add documentation of format.
3895 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3897 * tree.h: Declare folding_initializer.
3898 * builtins.c (fold_builtin_constant_p): Give definite answer
3899 if folding inside an initializer.
3900 * fold-const.c: Define folding_initializer.
3901 (START_FOLD_INIT): Save and then set folding_initializer.
3902 (END_FOLD_INIT): Restore folding_initializer.
3904 2006-06-04 Richard Guenther <rguenther@suse.de>
3906 PR tree-optimization/27039
3907 * fold-const.c (fold_comparison): Handle pointer comparison
3908 again for all comparison codes. Compare offsets in signed
3910 (fold_binary): Move code from here.
3912 2006-06-03 Roger Sayle <roger@eyesopen.com>
3915 * config/i386/i386.c (construct_container): Split static issued_error
3916 flag into issued_sse_arg_error, issued_sse_ret_error and
3917 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3918 requires the use of x87 registers and the user explicitly
3919 specified the -mno-80387 command line option.
3921 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3923 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3924 HAVE_DECL_SIGALTSTACK.
3926 (segv_handler): Use MC_FLD.
3927 * configure.ac: Check for a sigaltstack declaration.
3928 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3929 * configure: Regenerate.
3930 * config.in: Regenerate.
3932 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3935 * Makefile.in (stmp-fixinc): Fix typo.
3937 2006-06-02 Roger Sayle <roger@eyesopen.com>
3939 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3940 are type correct. Clean-up.
3941 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3942 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3944 2006-06-01 DJ Delorie <dj@redhat.com>
3946 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3947 shift, as we've disabled the "switch" insn that needs it.
3949 2006-06-01 Per Bothner <bothner@bothner.com>
3951 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3952 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3953 * c-ppoutput.c (cb_define): Don't increment line 0.
3955 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3957 * doc/invoke.texi: Add cpu_type power6.
3958 * config.gcc: Add cpu_type power6.
3959 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3960 to power5+ with Altivec.
3961 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3962 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3964 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3966 * config/avr/avr.h (SET_ASM_OP): Define.
3968 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3970 * config/bfin/bfin.c: Fix comment typos.
3972 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3975 * doc/install.texi: Document --enable-bootstrap and
3976 --disable-bootstrap.
3978 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3980 * doc/install.texi: Document that InfoZIP can replace jar.
3982 2006-05-31 Roger Sayle <roger@eyesopen.com>
3984 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3985 isn't available, directly generate the simpler x87 patterns without
3986 the (use (const_int 0)).
3987 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3988 implementation isn't available.
3989 (*negdf2_1): Likewise.
3990 (*negxf2_1): XF mode negation is always done using the x87.
3991 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3993 2006-05-31 Roger Sayle <roger@eyesopen.com>
3995 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3996 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3998 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4000 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4002 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4003 * config/bfin/bfin.c (basic-block.h): Include.
4004 (struct machine_function): New.
4005 (bfin_init_machine_status): New.
4006 (override_options): Initialize init_machine_status.
4007 (bfin_hardware_loop): New.
4008 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4009 (DEF_VEC_P (loop_info)): New.
4010 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4011 (struct loop_info): New.
4012 (loop_info): New typedef.
4013 (struct loop_work): New.
4014 (loop_work): New typedef.
4015 (DEF_VEC_O (loop_work)): New.
4016 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4017 (bfin_dump_loops): New.
4018 (bfin_bb_in_loop): New.
4019 (bfin_scan_loop): New.
4020 (bfin_optimize_loop): New.
4021 (bfin_reorg_loops): New.
4022 (bfin_reorg): Use bfin_reorg_loops.
4023 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4025 (I_REGNO_P): Simplify.
4026 (DP_REGNO_P, DPREG_P): New macros.
4027 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4028 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4029 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4030 Add LT_REGS, LC_REGS, LB_REGS.
4031 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4033 (REGNO_REG_CLASS): Deal with loop registers.
4034 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4036 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4037 New constants for loop registers.
4038 (UNSPEC_LSETUP_END): New.
4039 (seq_insns): New define_attr. Set it for appropriate insns.
4040 (movsi_insn): Add alternatives for move from/to
4041 loop count registers.
4042 (doloop_end): New define_expand.
4043 (loop_end): New define_insn.
4044 (define_split for bad doloop_end): New.
4045 (lsetup_with_autoinit): New define_insn.
4046 (lsetup_without_autoinit): New define_insn.
4047 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4048 * config/bfin/predicates.md (lc_register_operand): New.
4049 (lt_register_operand): New.
4050 (lb_register_operand): New.
4051 (nondp_register_operand): New.
4052 (nondp_reg_or_memory_operand): New.
4053 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4055 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4057 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4058 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4060 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4062 * Makefile.in (CATALOGS): Add po/ prefix.
4063 * configure: Regenerated.
4065 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4068 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4069 a shift operand before calling shift_op. Avoid redundant call of
4072 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4073 DJ Delorie <dj@redhat.com>
4075 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4076 we're inserting is a singlt-bit constant.
4078 2006-05-30 Roger Sayle <roger@eyesopen.com>
4080 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4081 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4083 2006-05-30 Roger Sayle <roger@eyesopen.com>
4085 PR tree-optimization/23452
4086 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4087 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4088 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4089 complex values and with -ffast-math for FP complex values.
4091 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4093 * c-common.h: Remove the prototype for yyparse.
4094 * rtl.h: Remove the prototype for init_loop.
4096 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4098 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4101 2006-05-30 Roger Sayle <roger@eyesopen.com>
4103 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4105 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4106 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4108 2006-05-30 Dirk Mueller <dmueller@suse.de>
4111 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4112 for CONSTANT_CLASS_P expresisons.
4114 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4117 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4119 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4121 PR tree-optimization/27779
4122 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4123 initial_condition instead of CHREC_LEFT.
4125 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4127 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4128 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4129 Make prototypes ISO C90.
4131 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4132 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4134 * see.c (see_analyze_one_def): Correct check.
4135 (see_get_extension_data): Check if extension is parallel.
4136 (see_get_extension_reg): Likewise.
4138 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4141 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4142 into register for (code == GTU).
4144 2006-05-29 Roger Sayle <roger@eyesopen.com>
4146 PR tree-optimization/24964
4147 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4148 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4149 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4150 abs(x)*abs(x) as x*x for scalar floating point modes.
4152 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4155 * lambda-code.c (perfect_nestify): Don't copy statements
4156 in the inner loop: move them to the inner loop header.
4158 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4161 * c-tree.texi: Document OpenMP directives and clauses.
4163 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4165 * varasm.c (globalize_decl): Fix indentation.
4167 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4170 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4171 pass_fre, pass_store_ccp, pass_copy_prop,
4172 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4173 pass_return_slot, pass_object_size, pass_lim,
4174 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4175 pass_loop_prefetch and pass_stdarg.
4177 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4179 * config/bfin/bfin.opt (mfdpic): New option.
4180 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4181 (EXTRA_MULTILIB_PARTS): Likewise.
4182 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4183 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4185 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4186 (CRT_CALL_STATIC_FUNCTION): New.
4187 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4189 (CRT_CALL_STATIC_FUNCTION): New.
4190 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4192 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4193 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4194 (initialize_trampoline): Changed to handle FD-PIC code generation.
4195 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4196 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4197 (override_options): Disallow -mid-shared-library -mfdpic combination.
4198 Can't do unaligned ops if FD-PIC.
4199 Turn off flag_pic if trying to generate non-id-shared-library
4200 non-fdpic code, since it's not supported.
4201 (bfin_assemble_integer): New function.
4202 (TARGET_ASM_INTEGER): Define.
4203 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4205 * config/bfin/crtn.s: Restore them.
4206 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4208 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4209 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4210 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4211 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4212 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4214 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4215 FDPIC_REGS and FDPIC_FPTR_REGS.
4216 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4217 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4218 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4219 (load_funcdescsi): New pattern.
4220 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4221 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4222 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4224 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4226 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4229 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4231 * tree-flow.h: Remove the prototype for add_type_alias.
4232 * tree-ssa-alias.c (add_type_alias): Remove.
4234 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4236 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4237 config/fr30/fr30.md, config/i386/i386-interix.h,
4238 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4239 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4240 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4241 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4242 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4243 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4244 Follow spelling conventions.
4245 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4246 Follow spelling conventions.
4248 2006-05-27 Richard Guenther <rguenther@suse.de>
4251 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4252 to produce a constant of value 1 of generic type.
4254 2006-05-27 Dirk Mueller <dmueller@suse.de>
4256 * cgraphunit.c (decide_is_function_needed): Fix wrong
4259 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4261 PR rtl-optimization/27661
4262 * reload.c (find_reloads): When reloading a VOIDmode constant
4263 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4264 use Pmode as mode of the reload register.
4266 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4268 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4269 is enabled at -O and above.
4271 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4274 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4277 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4280 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4281 for anonymous variables explicitly declared by front ends.
4283 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4285 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4286 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4287 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4288 ref-all pointers, run a finalization pass for them.
4289 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4290 (finalize_ref_all_pointers): New function.
4291 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4292 regular pointer type to a ref-all pointer type.
4293 (get_tmt_for): Return the special memory tag for ref-all pointers.
4295 2006-05-25 Richard Guenther <rguenther@suse.de>
4298 * fold-const.c (fold_binary): Do not look at the stripped
4299 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4301 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4303 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4304 for LT and GT if the computed range is effectively empty.
4306 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4309 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4310 mips_quad_format formats instead of ieee_single_format,
4311 ieee_double_format and ieee_quad_format formats, respectively.
4313 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4315 PR tree-optimization/27639
4316 PR tree-optimization/26719
4317 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4318 call to scev_probably_wraps_p.
4319 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4320 used_in_pointer_arithmetic_p, convert_step): Removed.
4321 (nowrap_type_p): New function.
4322 (scev_probably_wraps_p): Rewritten.
4323 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4324 chrec_convert if chrec_convert_aggressive might have been used.
4325 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4326 scev_direction): New functions.
4327 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4328 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4329 instead of convert_step.
4330 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4331 (convert_step): Declaration removed.
4332 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4334 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4336 * df-core.c: Added to header comments.
4337 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4338 df_ur_bb_info, df_urec_bb_info): Added comments.
4339 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4340 urec, ri problems): Fixed header comments.
4341 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4342 code from df_rd_transfer_function.
4344 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4346 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4347 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4348 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4350 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4352 * expr.c (undefined_operand_subword_p): New.
4353 (emit_move_multi_word): Do not generate move from undefined bits
4354 of a paradoxical subreg.
4356 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4358 PR rtl-optimization/27736
4359 * combine.c (replaced_rhs_value): New variable.
4360 (combine_instructions): Set it.
4361 (distribute_notes): When distributing a note in replaced_rhs_insn,
4362 check whether the value was used in replaced_rhs_value.
4364 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4367 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4368 add_referenced_var instead of add_referenced_tmp_var.
4369 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4370 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4372 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4373 tree_optimize_tail_calls_1): Use add_referenced_var.
4374 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4375 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4376 Use add_referenced_var.
4377 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4378 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4379 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4380 Use add_referenced_var.
4381 * tree-dfa.c (struct walk_state): Remove.
4382 (find_referenced_vars): Remove walk state and vars_found hash table.
4383 (make_rename_temp): Use add_referenced_var.
4384 (find_vars_r): Pass less parameters to add_referenced_var.
4385 (referenced_var_p): New. Is var in referenced_var hash table.
4386 (referenced_var_insert): Assert var isn't already in hash table.
4387 (add_referenced_var): Don't need walk_state parameter. Add var if it
4388 isn't already in the hash table.
4389 (add_referenced_tmp_var): Remove.
4390 (find_new_referenced_vars_1): Use add_referenced_var.
4391 * tree-ssa-pre.c (create_expression_by_pieces,
4392 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4393 Use add_referenced_var.
4394 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4395 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4396 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4398 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4399 vect_create_data_ref_ptr, vect_create_destination_var,
4400 vect_init_vector, vect_build_loop_niters,
4401 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4402 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4403 Use add_referenced_var.
4404 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4405 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4406 (add_referenced_var): Add prototype.
4407 * tree-ssa-structalias.c (get_constraint_for,
4408 intra_create_variable_infos): Use add_referenced_var.
4410 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4412 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4413 big-endian paradoxical subregs.
4414 * var-tracking.c (struct micro_operation_def): Document that,
4415 for modify micro operations, insn is the subsequent instruction.
4416 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4417 (var_reg_set, var_mem_set): ... new functions.
4418 (add_stores): Record subsequent insn.
4419 (compute_bb_dataflow): Use new functions for MO_USE.
4420 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4421 notes after the insn, and modify notes before the insn known
4422 to be the subsequent one.
4423 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4425 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4428 * config/i386/i386.c (ix86_expand_builtin): Use
4429 gen_sse3_monitor64 for TARGET_64BIT.
4431 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4433 PR rtl-optimization/26375
4434 PR rtl-optimization/26855
4435 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4437 (df_ru_bb_local_compute): Reversed statements and removed bogus
4438 comment explaining why they should be in wrong order.
4439 (df_ru_dump, df_rd_dump): Enhanced debug info.
4440 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4442 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4443 reaching uses and fixed space problem.
4445 2006-05-23 Jan Hubicka <jh@suse.cz>
4447 * cgraphunit.c (decide_is_function_needed): Also nested functions
4448 and functions declared inline can be optimized out at -O0.
4450 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4452 * doc/install.texi (Configuration): Remove reference to CrossGCC
4456 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4459 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4460 ix86_compare_emitted is non-NULL.
4462 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4465 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4468 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4470 PR rtl-optimization/25514
4471 * combine.c (replaced_rhs_insn): New variable.
4472 (combine_instructions): Set replaced_rhs_insn when trying to replace
4473 a SET_SRC with a REG_EQUAL note.
4474 (distribute_notes): Use replaced_rhs_insn when determining the live
4475 range of a REG_DEAD register.
4477 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4478 Anatoly Sokolov <aesok@post.ru>
4480 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4481 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4482 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4483 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4484 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4485 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4486 at90usb647, at90usb1286 and at90usb1287 devices.
4487 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4488 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4490 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4492 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4494 2006-05-22 Richard Guenther <rguenther@suse.de>
4497 2006-01-31 Richard Guenther <rguenther@suse.de>
4498 Paolo Bonzini <bonzini@gnu.org>
4500 * doc/install.texi (--disable-libgcc-math): Document.
4502 2006-05-22 Richard Guenther <rguenther@suse.de>
4505 2006-01-31 Richard Guenther <rguenther@suse.de>
4507 * doc/invoke.texi (-msselibm): Document.
4508 * target.h (expand_library_builtin): New target hook.
4509 * builtins.c (expand_builtin): Use expand_library_builtin.
4510 (default_expand_library_builtin): New function.
4511 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4512 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4513 (link_gcc_math_spec): Declare.
4514 (static_specs): Add link_gcc_math_spec.
4515 * expr.h (default_expand_library_builtin): Declare.
4516 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4517 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4518 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4519 * config/i386/i386.opt (msselibm): New target option.
4520 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4521 (ix86_init_sse_abi_builtins): New function.
4522 (ix86_expand_library_builtin): Likewise.
4523 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4524 (override_options): Handle error conditions wrt -msselibm.
4525 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4526 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4527 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4530 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4533 * c-common.c (self_promoting_args_p): Skip erroneous args.
4536 * c-decl.c (finish_struct): Skip erroneous fields.
4538 2006-05-22 Nick Clifton <nickc@redhat.com>
4540 * config/cris/cris.opt (march): Remove VarExists attribute.
4541 (max-stackframe=): Likewise.
4543 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4545 * doc/rtl.texi: Fix a typo.
4546 * see.c: Fix comment typos.
4548 * tree-ssa-structalias.h (alias_info): Remove num_references.
4550 2006-05-21 Mike Stump <mrs@apple.com>
4552 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4554 (darwin_pragma_options): Use BAD instead.
4555 (darwin_pragma_unused): Likewise.
4556 (darwin_pragma_ms_struct): Likewise.
4558 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4560 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4562 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4564 PR rtl-optimization/27671
4565 * simplify-rtx.c (simplify_relational_operation_1): Fix
4566 simplifications of (eq/ne (xor x y) y) and
4567 (eq/ne (xor x y) x).
4569 PR tree-optimization/26622.
4570 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4573 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4575 * tree-cfg.c: Prune whitespace.
4576 (debug_tree_cfg): Point to correct header containing the
4579 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4582 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4584 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4587 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4588 or sorry count is non zero.
4590 2006-05-20 Andreas Schwab <schwab@suse.de>
4592 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4594 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4595 Kenneth Zadeck <zadeck@naturalbridge.com>
4597 PR rtl-optimization/26855
4599 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4601 (df_scan_alloc): Added code to properly handle multiword hard
4602 registers and add all_blocks parameter.
4603 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4604 code to properly handle multiword hard registers.
4605 (df_rescan_blocks): Added code to remove deleted blocks from
4607 (df_ref_create_structure, df_ref_record): Added code to properly
4609 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4610 and set DF_REF_PARTIAL.
4611 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4612 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4613 (df_scan_add_problem): Added flags parameter.
4614 (df_ref_create_structure): Changed switching structure.
4615 (df_bb_refs_record): Fixed case where duplicate artificial refs
4616 were created. Changed location of flags.
4617 (df_record_entry_block_defs): Added code to make stack pointer
4618 live in entry block. Refined cases where frame pointer is needed.
4619 Changed location of flags.
4620 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4621 (df_set_state): Removed function.
4622 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4623 df_insn_create_insn_record, df_insn_refs_delete,
4624 df_ref_create_structure): Formatting changes.
4625 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4626 df_delete_basic_block): New function.
4627 (df_init): Changed location of flags.
4628 (df_add_problem): Added flags parameter and the way flags are
4630 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4631 debug_df_chain): Improved debugging output.
4632 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4633 (df_refs_chain_dump): Removed df parameter.
4634 (df_iterative_dataflow): Added consistency check.
4635 (df_prune_to_subcfg): Made public.
4636 (df_analyze_problem): Added blocks_to_init parameter and made
4638 (df_ref_record, df_bb_refs_record, df_mark_reg,
4639 df_record_exit_block_uses): Whitespace changes.
4640 (df_dump): Whitespace changes.
4641 * df.h: Some reordering to remove forward references.
4642 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4643 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4644 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4645 (dataflow.flags): New field.
4646 (df.flag): Deleted field.
4647 (df_alloc_function): Added additional bitmap parameter.
4648 (df_dependent_problem_function): New type.
4649 (df_problem.changeable_flags): New field.
4650 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4651 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4652 (df_mw_hardreg): New struct.
4653 (DF_INSN_UID_MWS): New macro.
4654 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4656 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4657 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4658 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4659 (df_set_state): Removed function.
4660 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4661 * df-problems.c (df_chain_dump): Removed df parameter.
4662 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4663 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4665 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4666 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4667 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4668 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4669 DF_REF_MUST_CLOBBER cases.
4670 (df_ru_bb_local_compute_process_def,
4671 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4672 df_lr_bb_local_compute, df_ur_bb_local_compute,
4673 df_chain_create_bb): Made subreg aware.
4674 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4675 df_lr_bb_local_compute, df_lr_bb_local_compute,
4676 df_chain_create_bb): Cleanup to use proper macros.
4677 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4678 code to fixup bitvectors.
4679 (df_ri_alloc): Cleared lifetime.
4680 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4681 df_create_unused_note): New function.
4682 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4683 REG_DEAD and REG_UNUSED notes as well as register information.
4684 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4685 df_chains_dump): Fixed crash if problem was never run.
4686 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4687 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4688 df_ri_add_problem): Processes flags in uniform manner.
4689 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4690 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4691 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4692 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4693 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4694 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4695 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4696 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4697 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4698 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4699 * see.c (see_initialize_data): Ditto.
4700 * final.c (rest_of_clean_state) Added regstack_completed.
4701 * rtl.h (regstack_completed): Ditto.
4702 * reg-stack.c (regstack_completed): Ditto.
4704 2006-05-19 Mike Stump <mrs@apple.com>
4706 * c-tree.h (default_conversion): Remove.
4707 * c-common.h (default_conversion): Add.
4709 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4711 * tree-vrp.c (valid_value_p): New function.
4712 (adjust_range_with_scev): Fail if the value of bound is not
4715 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4717 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4718 (mips_fallback_frame_state): Use syscall numbers to determine
4719 the appropriate li instruction for the current ABI. Only use
4720 __NR_sigreturn for o32.
4722 2006-05-19 Nicolas Setton <setton@adacore.com>
4724 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4725 * langhooks.c (lhd_dwarf_name): New function.
4726 * langhooks-def.h (lhd_dwarf_name): Declare.
4727 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4728 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4729 * ada/misc.c (gnat_dwarf_name): New function.
4730 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4732 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4734 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4736 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4737 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4738 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4739 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4740 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4741 determine the size of Wtype, etc.
4742 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4743 (swfloatfuncs): New variable.
4744 (dwfloatfuncs): Likewise.
4745 (lib2funcs): Remove floating-point conversion functions from
4746 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4747 the set of conversion routines needed. Allow entries to specify
4748 an object name, filename and word size. Update users accordingly.
4749 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4750 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4754 2006-02-08 Roger Sayle <roger@eyesopen.com>
4757 * config/fixtfdi.c: New libgcc source file.
4758 * config/fixunstfdi.c: New source file.
4759 * config/floatditf.c: New source file.
4760 * config/floatunditf.c: New souce file.
4761 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4762 files above instead of config/mips/_tilib.c.
4763 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4765 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4767 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4768 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4770 2006-05-18 Mike Stump <mrs@apple.com>
4772 Fix up vla, vm and [*] sematics.
4778 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4779 (c_vla_unspec_p): Add.
4780 (c_vla_type_p): Add.
4781 * c-decl.c (struct c_scope): Add had_vla_unspec.
4782 (build_array_declarator): Add support for [*].
4783 (grokdeclarator): Likewise.
4784 (grokparms): Likewise.
4785 (get_parm_info): Likewise.
4786 * c-objc-common.c (c_vla_unspec_p): Likewise.
4787 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4788 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4789 typeof when argument is a variably modified type not inside sizeof or alignof.
4790 (c_parser_direct_declarator_inner): Propagate errors.
4791 (c_parser_sizeof_expression): Add support for [*].
4792 (c_parser_parms_declarator): Initialize had_vla_unspec.
4793 (c_parser_parms_list_declarator): Likewise.
4794 * c-typeck.c (c_vla_type_p): Add.
4795 (composite_type): Add support for vla compositing.
4796 (comptypes_internal): Add support for vla compatibility.
4797 (c_expr_sizeof_expr): Evaluate vla arguments.
4798 * tree.c (variably_modified_type_p): Update comment for [*].
4800 2006-05-18 Michael Matz <matz@suse.de>
4803 * config.host: Make assignments to host_xmake_file cumulative.
4804 * config.host (*-darwin*): Test $host, not $target.
4806 2006-05-12 Stuart Hastings <stuart@apple.com>
4808 * config/i386/i386.opt (-mstackrealign): New flag.
4809 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4810 (ix86_handle_cconv_attribute): Emit error when
4811 force_align_arg_pointer attribute collides with too many regparms.
4812 (ix86_function_regparm): Limit regparms when used with
4813 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4814 Support stack-realigning prologue in non-main functions. Emit
4815 warning for nested functions under -mstackrealign, emit error for
4816 nested functions with force_align_arg_pointer attribute.
4817 * doc/extend.texi (force_align_arg_pointer): Document it.
4818 * doc/invoke.texi (-mstackrealign): Document it.
4820 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4822 PR rtl-optimization/27477
4823 * combine.c (try_combine): Don't split a parallel consisting
4824 of two sets into two individual sets if both sets reference
4827 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4829 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4830 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4832 * doc/options.texi (VarExists): Updated.
4834 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4836 * unwind-dw2.c: Add declarations for uw_update_context and
4838 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4839 detected, advance frame state and context once to skip over stub.
4841 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4845 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4846 Call rewrite_into_loop_closed_ssa only when something changed.
4847 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4848 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4849 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4850 Test for perfect_nest_p here. Fix formating.
4851 (replace_uses_equiv_to_x_with_y): Fix formating.
4852 (stmt_uses_op): Removed.
4853 (can_convert_to_perfect_nest): Removed loopivs parameter.
4854 Complete the test by checking the scalar dependences.
4855 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4858 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4861 From Dan Kegel <dank@kegel.com>:
4862 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4864 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4866 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4867 if the element type is variably modified without recursing.
4869 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4872 * tree-loop-linear.c (try_interchange_loops): Test for
4873 no data dependences.
4875 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4877 PR tree-optimization/27548
4878 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4879 range of ssa names that appear on abnormal edges.
4880 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4881 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4883 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4886 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4888 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4891 * tree.h (OMP_PARALLEL_COMBINED): Define.
4892 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4893 (new_omp_context): Add is_combined_parallel argument.
4894 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4895 new_omp_context caller.
4896 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4897 Adjust gimplify_scan_omp_clauses callers.
4898 (omp_is_private): Issue errors if iteration variable is firstprivate
4899 or reduction in the current context.
4900 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4901 on combined parallel workshare constructs.
4903 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4905 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4906 (gcc-options.o): New rule.
4908 * optc-gen.awk: Protect variables for gcc-options.o with
4909 #ifdef GCC_DRIVER/#endif.
4911 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4913 Fix PR tree-optimization/27373
4914 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4915 (forward_propagate_addr_expr): Update call.
4917 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4919 * doc/options.texi: Move the Negative option.
4921 2006-05-16 Richard Guenther <rguenther@suse.de>
4923 PR tree-optimization/22303
4924 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4926 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4927 ccp_fold did not simplify the statement.
4929 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4932 * Makefile.in (GCC_OBJS): New.
4933 (OBJS-common): Add opts-common.o.
4934 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4935 (cpp$(exeext)): Likewise.
4936 (gcc.o): Also depend on opts.h.
4937 (opts-common.o): New.
4939 * common.opt (gcoff): Add Negative(gdwarf-2).
4940 (gdwarf-2): Add Negative(gstabs).
4941 (gstabs): Add Negative(gstabs+).
4942 (gstabs+): Add Negative(gvms).
4943 (gvms): Add Negative(gxcoff).
4944 (gxcoff): Add Negative(gxcoff+).
4945 (gxcoff+): Add Negative(gcoff).
4946 * config/i386/i386.opt (m32): Add Negative(m64).
4947 (m64): Add Negative(m32).
4949 * doc/options.texi: Document the Negative option.
4951 * gcc.c: Include "opts.h".
4952 (main): Call prune_options after expandargv.
4954 * optc-gen.awk: Generate common declarations for all flag
4955 variables in options.c. Output the neg_index field.
4957 * opts.c (find_opt): Moved to ...
4958 * opts-common.c: Here. New file.
4960 * opts.h (cl_option): Add a neg_index field.
4962 (prune_options): Likewise.
4964 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4967 * omp-low.c (expand_omp_parallel): Don't assert
4968 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4969 instead search for it.
4972 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4975 2006-05-16 Andreas Schwab <schwab@suse.de>
4977 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4980 2006-05-15 Roger Sayle <roger@eyesopen.com>
4983 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4984 integer constants other than zero are only legitimate on TARGET_64BIT.
4985 <CONST_VECTOR> Only zero vectors are legitimate.
4986 (ix86_cannot_force_const_mem): Integral and vector constants can
4987 always be put in the constant pool.
4989 2006-05-16 DJ Delorie <dj@redhat.com>
4991 * crtstuff.c (__dso_handle): Set section from
4992 TARGET_LBIGCC_SDATA_SECTION if defined.
4993 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4994 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4996 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4999 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5002 2006-05-16 Ben Elliston <bje@au.ibm.com>
5004 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5006 2006-05-15 Per Bothner <per@bothner.com>
5008 * tree.c: (last_annotated_node): Use source_locus typedef.
5009 This permits bootstrapping with --enable-mapped-location.
5011 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5013 PR tree-optimization/26830
5014 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5015 (info_for_ssa_name, current_info_for_ssa_name_age,
5016 blocks_to_update): New variables.
5017 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5018 (clear_ssa_name_info, initialize_flags_in_bb,
5019 mark_block_for_update): New functions.
5020 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5021 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5022 prepare_def_site_for): Use mark_block_for_update.
5023 (mark_def_interesting): Assert that the processed block is marked in
5024 blocks_to_update. Do not take blocks argument.
5025 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5027 (rewrite_update_init_block, rewrite_update_stmt): Only process
5028 blocks with statements to rewrite.
5029 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5030 (update_ssa): Initialize and free blocks_to_update. Do not
5031 clear flags on statements. Do not use blocks bitmap.
5032 * tree.h (SSA_NAME_AUX): Removed.
5033 (struct tree_ssa_name): Removed aux field.
5034 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5036 2006-05-15 Richard Guenther <rguenther@suse.de>
5038 PR tree-optimization/27603
5039 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5040 Do computations in original type.
5042 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5044 * see.c: Code style changes such as redundant paranthesis,
5045 redundant intialization of local variables etc.
5046 (see_main): Declared now as static.
5047 * doc/invoke.texi: Update that -fsee is not enabled by
5050 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5052 * omp-low.c (check_omp_nesting_restrictions): New function.
5053 (scan_omp_1): Call it.
5056 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5057 construct, return *VAR.
5059 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5061 PR rtl-optimization/27406
5062 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5065 2006-05-14 Roger Sayle <roger@eyesopen.com>
5067 PR rtl-optimization/27538
5068 * combine.c (expand_compound_operation): Call gen_lowpart
5069 before calling simplify_shift_const.
5071 2006-05-14 Roger Sayle <roger@eyesopen.com>
5073 PR rtl-optimization/22563
5074 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5075 a fixed width bitfield, always force the intermediates into psuedos.
5077 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5080 * mkconfig.sh: Use operator = instead of == for test.
5082 2006-05-13 Nick Clifton <nickc@redhat.com>
5084 * dwarf2out.c (dbx_reg_number): Check return value from
5085 LEAF_REG_REMAP and only use it if it is valid.
5086 (multiple_reg_loc_descriptor): Likewise.
5088 2006-05-13 Richard Guenther <rguenther@suse.de>
5090 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5093 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5095 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5096 information attached to non-INSNs such as NOTEs.
5097 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5099 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5101 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5103 * config/s390/s390.md: Adjust comment describing On constraint.
5105 2006-05-11 Jan Hubicka <jh@suse.cz>
5107 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5108 to be output at -O0.
5110 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5113 * fold-const.c (size_binop): Move sanity check for arguments to
5114 the beginning of the function.
5117 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5120 2006-05-11 Richard Guenther <rguenther@suse.de>
5123 * fold-const.c (fold_unary): Handle intermediate conversion
5124 to a pointer type like intermediate conversion to an integer
5125 type in folding of (T1)(T2)var to var.
5126 Match the code to the comment in the final conversion for
5127 (T1)(T2)var to (T1)var regarding to type precision. Rather
5128 than disallow T1 being of pointer type, assert that both T1
5129 and var are of pointer type or not. Make sure not to fall
5130 over the frontends lazyness wrt array to pointer decay though.
5132 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5134 * arm.c (arm_struct_value_rtx): Delete.
5135 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5136 (arm_init_cumulative_args): Always initialize nregs to zero.
5138 2006-05-10 Richard Guenther <rguenther@suse.de>
5140 PR tree-optimization/27532
5141 * tree-object-size.c (plus_expr_object_size): Fix typo.
5143 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5146 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5147 ashrdi_const, ashrdi3): Use a scratch register.
5149 2006-05-10 Richard Guenther <rguenther@suse.de>
5151 PR tree-optimization/27302
5152 * fold-const.c (operand_equal_p): For two comparisons,
5153 try comparison of one comparison code swapped if that yields
5156 2006-05-10 Ben Elliston <bje@au.ibm.com>
5158 * tree-pretty-print.c (pretty_print_string): No need to handle
5159 '\0' as a special character.
5161 * tree.h: Include "hashtab.h".
5162 (iterative_hash_expr): Use hashval_t in its prototype.
5163 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5165 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5168 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5169 (hppa*64*-*-hpux11*): Ditto.
5170 (hppa[12]*-*-hpux11*): Ditto.
5172 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5175 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5177 2006-05-09 Michael Matz <matz@suse.de>
5179 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5180 host_extra_gcc_objs and host_xmake_file.
5181 (<*-*-linux*>): Don't overwrite host_xmake_file.
5182 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5183 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5184 (host_detect_local_cpu): Declare.
5185 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5186 * config/i386/i386.c (override_options): Handle -mtune=native
5188 * config/i386/x-i386: New file.
5189 * config/i386/driver-i386.c: New file.
5190 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5193 2006-05-09 Dirk Mueller <dmueller@suse.de>
5194 Richard Guenther <rguenther@suse.de>
5197 * fold-const.c (fold_read_from_constant_string): Relax check
5198 for matching types to matching modes.
5200 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5202 PR rtl-optimization/27335
5203 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5206 2006-05-08 Chao-ying Fu <fu@mips.com>
5207 Richard Sandiford <richard@codesourcery.com>
5209 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5210 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5211 * config/mips/mips.md (UNSPEC_SCC): New constant.
5212 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5213 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5214 (mips_emit_compare): Use it.
5215 (mips_expand_vcondv2sf): New function.
5217 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5219 Fix PR tree-optimization/27093
5220 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5221 renaming when they become not-used_alone.
5223 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5225 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5226 relocation and relocation stubs.
5228 2006-05-08 Eric Christopher <echristo@apple.com>
5230 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5233 2006-05-08 Jan Hubicka <jh@suse.cz>
5236 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5237 unused static functions are needed.
5239 2006-05-08 Roger Sayle <roger@eyesopen.com>
5242 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5243 of a reg_equiv_constant if the result is a legitimate constant.
5245 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5248 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5249 standard 80387 constants, raise the cost to prevent
5250 compress_float_constant() to generate load from memory.
5252 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5254 * config/arm/constraints.md (c): Fix a typo.
5256 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5259 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5262 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5264 (_mm_mwait): Likewise.
5266 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5268 (sse3_monitor): Make it 32bit only.
5269 (sse3_monitor64): New. 64bit monitor.
5271 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5274 * config/i386/i386.c (classify_argument): Skip fields with invalid
5277 2006-05-07 Richard Guenther <rguenther@suse.de>
5279 PR tree-optimization/27409
5280 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5281 Do not try to find zero-sized subvars.
5283 2006-05-07 Richard Guenther <rguenther@suse.de>
5285 PR tree-optimization/27136
5286 * tree-ssa-loop-niter.c (get_val_for): Correct function
5287 comment, assert requirements.
5288 (loop_niter_by_eval): Stop processing if the iterated
5289 value did not simplify.
5291 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5293 * opts.c (flag_see): remove its setting at -O3.
5295 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5297 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5298 * arm/constraints.md: New file.
5299 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5300 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5301 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5302 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5303 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5304 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5305 * arm.md: Include constraints.md.
5306 (thumb_movsi_insn): Use satisfies_constraint_J.
5307 (movhi, movqi): Use satisfies_constraint_I.
5309 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5311 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5312 for atmeg a645 device.
5314 2006-05-06 Richard Guenther <rguenther@suse.de>
5316 PR tree-optimization/27151
5317 * tree-vect-transform.c (vectorizable_condition): Punt on
5318 values that have a different type than the condition.
5320 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5323 * c-parser.c (c_parser_cast_expression): Only insert casts into
5324 hash table if pointer.
5325 * function.c (used_types_insert_helper): Rename from
5327 (used_types_insert): Call used_types_insert_helper.
5328 * function.h (used_types_insert): Accept only one argument.
5330 2006-05-05 David Edelsohn <edesohn@gnu.org>
5332 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5333 scratch with output modifier.
5335 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5338 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5339 with output modifier.
5341 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5344 * config/mips/mips.c (mips_symbolic_address_p): Return true
5345 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5346 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5348 2006-05-04 Richard Guenther <rguenther@suse.de>
5350 PR tree-optimization/14287
5351 PR tree-optimization/14844
5352 PR tree-optimization/19792
5353 PR tree-optimization/21608
5354 PR tree-optimization/27090
5355 * tree-ssa-pre.c (try_combine_conversion): New function.
5356 (compute_avail): After constructing the value-handle
5357 expression, use try_combine_conversion to combine NOP_EXPRs
5358 with previous value-handle expressions and use the result if it
5361 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5363 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5365 2006-05-04 Jan Hubicka <jh@suse.cz>
5368 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5370 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5372 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5373 that this only matches CONST_INTs. All users changed to VOIDmode
5376 * config/bfin/bfin.c: Include "optabs.h".
5377 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5379 (enum bfin_builtins): Add a number of fractional and vector builtins.
5380 (bfin_init_builtins): Likewise.
5381 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5382 (safe_vector_operand, bfin_expand_binop_builtin,
5383 bfin_expand_unop_builtin): New functions.
5384 (bfin_expand_builtin): Handle the new builtins.
5385 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5388 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5391 * Makefile.in (OBJS-common): Add see.o.
5392 (see.o): Add dependencies.
5393 * common.opt (fsee): New flag for the see optimization was added.
5394 * opts.c (flag_see): Initialized.
5395 * passes.c (init_optimization_passes, pass_see): New pass.
5396 * rtl.h (see_main): Declaration as extern.
5397 * timevar.def (TV_SEE): New.
5398 * tree-pass.h (pass_see): Declaration as extern.
5399 * invoke.texi (-fsee): Document.
5400 * recog.c (validate_simplify_insn): New function.
5401 * recog.h (validate_simplify_insn): Declaration as extern.
5402 * df-problems.c (df_chain_dump): Check for NULL.
5404 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5405 Daniel Berlin <dberlin@dberlin.org>
5407 * cfgrtl.c (insert_insn_bb_end_new): New function.
5408 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5410 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5412 * df.h (struct web_entry): Moved from web.c.
5413 (union_defs): Declaration as extern.
5414 (unionfind_root): Likewise.
5415 (unionfind_union): Likewise.
5416 * web.c (struct web_entry): Moved to df.h.
5417 (unionfind_root): Remove static declaration.
5418 (unionfind_union): Likewise.
5419 (union_defs): Likewise and generalize to use callback function.
5420 (web_main): Update arguments for union_defs function call.
5422 2006-05-04 Richard Guenther <rguenther@suse.de>
5424 PR tree-optimization/26447
5425 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5426 produce SSA_NAME copies before the store stmt to avoid
5427 breaking exception handling.
5429 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5432 * gimplify.c (omp_is_private): If var is shared in some outer context,
5433 return false instead of true. Stop searching on parallel context
5436 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5439 * coverage.c: Use get_gcov_unsigned_t() instead of
5440 unsigned_type_node all over.
5442 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5444 PR tree-optimization/27381
5445 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5446 maintain the same immediate_use links.
5447 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5448 node rather than segfaulting.
5450 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5453 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5454 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5455 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5457 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5459 Fix PR tree-optimization/26626
5460 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5462 * tree-ssa-operands.c (access_can_touch_variable): Allow
5463 typecasting through union pointers.
5465 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5468 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5469 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5470 to find if var will be a global variable even in the nested context.
5471 (omp_copy_decl): Only check for global variable at the end, it might
5472 be overridden in outer contexts.
5473 (scan_sharing_clauses): For global variables don't create a field.
5474 (lower_rec_input_clauses): Do nothing for global shared variables.
5475 Emit a barrier at the end of ILIST if there were any decls in both
5476 firstprivate and lastprivate clauses.
5477 (lower_send_clauses): Do nothing for global variables except for
5480 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5482 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5483 of the correct signedness is returned.
5485 2006-05-02 Jeff Law <law@redhat.com>
5487 PR tree-optimization/27364
5488 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5489 multiply expressions.
5491 2006-05-02 Tom Tromey <tromey@redhat.com>
5493 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5495 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5498 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5499 -mthumb -fPIC are used.
5501 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5502 Joshua Kinard <kumba@gentoo.org>
5505 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5506 with 64-bit pointers.
5508 2006-05-02 Paul Brook <paul@codesourcery.com>
5510 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5512 (create_fix_barrier): Check that a suitable barrier location is
5514 (arm_reorg): Include ftmp->address in allowable range of addresses.
5516 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5519 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5522 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5525 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5526 around RESULT_DECL for result passed by reference.
5527 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5528 * omp-low.c (use_pointer_for_field): Don't look at
5529 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5530 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5531 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5532 time or var for passing by reference for
5533 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5534 TREE_ADDRESSABLE variables when passing by reference.
5536 * omp-low.c (dump_omp_region): Fix output formatting.
5539 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5540 (expand_omp_parallel): Likewise.
5541 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5544 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5545 on statement list containing also constructors and destructors.
5546 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5549 * except.c (duplicate_eh_regions): Fix clearing of
5550 cfun->eh->region_array entries.
5552 2006-05-01 DJ Delorie <dj@redhat.com>
5554 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5556 (gcc_cv_objdump): Likewise.
5557 * configure: Regenerated.
5559 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5562 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5563 templates for case 3 and 4.
5565 2006-05-01 DJ Delorie <dj@redhat.com>
5567 * vec.c: Include bconfig.h when appropriate.
5568 * Makefile.in (build/vec.o): Adjust dependencies.
5569 * mkconfig.sh: Make sure config.h isn't used for build machine
5572 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5574 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5576 (mark_phi_for_rewrite): New function.
5577 (insert_phi_nodes_for, mark_use_interesting): Call
5578 mark_phi_for_rewrite.
5579 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5580 (update_ssa): Initialize and free phis_to_rewrite.
5582 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5584 PR rtl-optimization/27291
5585 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5586 folded to a constant.
5588 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5590 PR tree-optimization/27283
5591 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5592 not whole # of iteration descriptions.
5593 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5594 uses abnormal ssa name.
5595 (niter_for_single_dom_exit): Ditto.
5596 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5597 return just the number of iterations.
5599 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5601 PR tree-optimization/27144
5602 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5603 (record_estimate): Only record constant upper bound.
5604 (infer_loop_bounds_from_undefined): Call
5605 compute_estimated_nb_iterations just once.
5606 (proved_non_wrapping_p): Renamed to ...
5607 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5608 (convert_step_widening, scev_probably_wraps_p): Call
5609 n_of_executions_at_most instead of proved_non_wrapping_p.
5610 (substitute_in_loop_info): Do not replace values in bounds.
5611 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5614 2006-05-01 Richard Henderson <rth@redhat.com>
5617 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5618 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5621 2006-05-01 Roger Sayle <roger@eyesopen.com>
5623 * c-typeck.c (parser_build_binary_op): Don't call the function
5624 unsigned_conversion_warning to spot operand/result type overflow.
5625 (build_binary_op): Instead, call convert_and_check instead of
5626 convert to report the problem when the operands are promoted.
5627 * c-common.c (unsigned_conversion_warning): Make static.
5628 * c-common.h (unsigned_conversion_warning): Delete prototype.
5630 2006-05-01 Richard Guenther <rguenther@suse.de>
5632 PR tree-optimization/26726
5633 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5635 (find_interesting_uses_address): ... we work around here
5636 by folding INDIRECT_REFs in the substituted base.
5638 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5640 * omp-low.c (dump_omp_region): Add newlines.
5642 2006-04-30 Roger Sayle <roger@eyesopen.com>
5644 * common.opt (Woverflow): New command line option.
5645 * c-common.c (constant_expression_warning): Check warn_overflow.
5646 (overflow_waring): Pass OPT_Woverflow to warning.
5647 (unsigned_conversion_warning): Likewise.
5648 (convert_and_check): Likewise.
5649 * doc/invoke.texi: Document new command line option.
5651 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5653 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5654 TARGET_NO_FP_IN_TOC for section anchors.
5655 (optimization_options): Enable section anchors for all
5656 non-"Objective" languages.
5658 2006-04-28 Eric Christopher <echristo@apple.com>
5660 * config/darwin-c.c (darwin_ms_struct): Move this
5661 (darwin_set_default_type_attributes): and this...
5662 * config/darwin.c: ... here.
5663 * config/darwin.h (darwin_ms_struct): Declare.
5665 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5667 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5669 2006-04-28 Roger Sayle <roger@eyesopen.com>
5672 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5673 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5674 an unsigned HOST_WIDE_INT.
5675 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5677 (really_start_incremental_init): No need to call convert because
5678 bitsize_zero_node is already of type bitsizetype.
5679 (push_init_level): Extract the value of constructor_index as an
5680 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5681 (process_init_element): Likewise.
5683 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5685 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5686 value before passing to make_relative_prefix.
5688 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5691 * builtins.c (expand_builtin_memset): Expand val in original mode.
5693 2006-04-27 Eric Christopher <echristo@apple.com>
5695 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5696 with #ifndef/#endif.
5697 * config/darwin-c.c (darwin_ms_struct): New.
5698 (darwin_pragma_ms_struct): Ditto.
5699 (darwin_set_default_type_attributes): Ditto.
5700 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5701 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5702 Register ms_struct pragma.
5703 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5704 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5705 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5706 darwin_set_default_type_attributes if TARGET_MACHO.
5708 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5710 PR tree-optimization/26854
5711 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5712 * doc/tree-ssa.texi: Update immuse iterator documentation.
5713 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5714 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5715 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5716 first_safe_imm_use, next_safe_imm_use): Remove.
5717 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5718 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5719 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5720 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5721 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5722 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5723 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5724 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5725 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5726 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5727 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5728 (perfect_nestify): Use new iterator.
5729 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5731 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5732 (next_imm_name): New field in struct immediate_use_iterator_d.
5733 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5734 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5735 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5736 * tree-cfg.c (replace_uses_by): Use new iterator.
5737 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5738 * tree-ssa-operands.c (correct_use_link): Remove.
5739 (finalize_ssa_use_ops): No longer call correct_use_link.
5741 2006-04-27 Stuart Hastings <stuart@apple.com>
5743 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5744 * config/t-darwin (crt3.o): Use it.
5745 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5746 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5747 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5748 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5749 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5752 2006-04-27 Roger Sayle <roger@eyesopen.com>
5754 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5755 size, force the intermediate into a new pseudo rather instead of
5756 performing both a bitwise AND and a bitwise IOR in memory.
5758 2006-04-27 Richard Guenther <rguenther@suse.de>
5760 PR rtl-optimization/26685
5761 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5762 this one "max-flow-memory-locations".
5764 2006-04-27 Richard Guenther <rguenther@suse.de>
5766 PR tree-optimization/25148
5767 * tree-vrp.c (compare_values): Remove code dealing with
5768 comparisons against type min/max value. Honour overflow
5769 and negative constants in code dealing with comparisons
5770 of plus and minus expressions.
5771 (value_inside_range): Use fold_binary with LE_EXPR and
5772 GE_EXPR rather than compare_values.
5774 2006-04-27 Dirk Mueller <dmueller@suse.de>
5776 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5779 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5781 * basic-block.h (safe_insert_insn_on_edge): Removed.
5782 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5784 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5785 Paolo Bonzini <bonzini@gnu.org>
5788 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5789 (simplify_and_const_int): Same.
5791 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5793 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5795 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5798 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5799 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5800 cgraph_global_info_ready.
5803 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5806 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5807 either decl or init is error_mark_node.
5810 * tree-flow.h (struct omp_region): Add sched_kind.
5811 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5812 instead of extracting omp for data.
5813 (expand_omp_for): Save extracted sched_kind.
5815 2006-04-25 Roger Sayle <roger@eyesopen.com>
5817 * expmed.c (store_bit_field): Also check whether the bitsize is
5818 valid for the machine's "insv" instruction before moving the
5819 target into a pseudo for use with the insv.
5820 * config/i386/predicates.md (const8_operand): New predicate.
5821 * config/i386/i386.md (extv, extzv, insv): Use the new
5822 const8_operand predicate where appropriate.
5824 2006-04-25 DJ Delorie <dj@redhat.com>
5826 * doc/install.texi (Specific): Clarify that this is not a list of
5827 supported hosts or targets.
5829 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5831 PR rtl-optimization/26725
5832 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5833 block's BB_DIRTY flag.
5835 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5837 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5840 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5841 to print an integer.
5843 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5845 * varasm.c (align_variable): New function.
5846 (get_block_for_decl): Apply align_variable to DECL before
5847 calculating section information.
5848 (assemble_variable): Split out alignment computation.
5850 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5852 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5855 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5857 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5858 MODE_PARTIAL_INT mode.
5859 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5860 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5862 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5863 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5865 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5867 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5869 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5870 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5871 MACFLAG_IH): Likewise.
5872 (movstricthi_1): Renamed from "*movstricthi".
5873 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5874 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5875 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5876 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5877 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5878 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5879 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5880 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5881 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5882 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5883 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5884 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5885 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5886 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5887 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5889 * doc/rtl.texi (ss_ashift): Improve wording.
5891 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5893 * dwarf2out.c (verify_marks_clear): New.
5894 (prune_unused_types): Call verify_marks_clear initially, not
5897 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5899 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5900 * doc/rtl.texi: Document them.
5901 * simplify-rtx.c (simplify_unary_operation,
5902 simplify_binary_operation_1): Don't abort when we see them.
5904 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5907 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5908 * configure.ac: Completely disregard languages that are not
5910 * configure: Regenerated.
5912 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5913 Richard Guenther <rguenther@suse.de>
5915 PR tree-optimization/27236
5916 * tree-inline.c (copy_body_r): Make sure to copy
5917 TREE_THIS_VOLATILE flag.
5919 2006-04-24 Richard Guenther <rguenther@suse.de>
5922 * tree-complex.c (update_parameter_components): Don't handle
5923 unused parameters which have no default def.
5925 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5926 Richard Guenther <rguenther@suse.de>
5928 PR tree-optimization/27218
5929 * tree-inline.c (expand_call_inline): Strip useless type
5930 conversions for the return slot address.
5932 2006-04-24 Richard Guenther <rguenther@suse.de>
5934 * cfgloop.h (struct loops): Remove unused field array. Reorder
5936 (LOOP_PREFETCH): Remove.
5938 2006-04-24 Richard Guenther <rguenther@suse.de>
5940 PR tree-optimization/22525
5941 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5942 variable, adjust types of generated expressions.
5944 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5946 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5947 (tree-vect-patterns.o): Likewise.
5949 (cselib.o): Likewise.
5950 (loop-doloop.o): Likewise.
5951 (regclass.o): Likewise.
5952 (reload1.o): Likewise.
5953 (explow.o): Replace target.h with $(TARGET_H).
5954 (ipa-prop.o): Likewise.
5955 (ipa-cp.o): Likewise.
5956 (ipa-inline.o): Likewise.
5957 (reorg.o): Likewise.
5958 (reg-stack.o): Likewise.
5960 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5962 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5964 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5966 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5968 * configure.ac: Completely disregard languages that are not
5970 * configure: Regenerated.
5973 * c-common.h (c_build_bitfield_integer_type): Declare.
5974 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5975 * c-common.c (c_build_bitfield_integer_type): ... here.
5977 2006-04-23 Roger Sayle <roger@eyesopen.com>
5980 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5981 a SImode SUBREG of a floating point register after no_new_pseudos.
5983 2006-04-23 Roger Sayle <roger@eyesopen.com>
5985 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5986 identify potentially eliminable registers to additionally catch
5987 VIRTUAL_INCOMING_ARGS_REGNUM.
5988 (addsi3): Update the conditions on when to use addsi_small_int.
5990 2006-04-23 Roger Sayle <roger@eyesopen.com>
5993 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5994 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5995 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5997 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5999 * fold-const.c (range_predecessor): Use operand_equal_p
6000 as the predicate for equality.
6001 (range_successor): Likewise.
6003 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6006 * config/soft-fp/op-common.h: Fix a typo.
6008 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6011 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6012 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6014 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6016 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6018 * doc/tm.texi: Fix a typo.
6020 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6022 * dwarf2out.c (struct die_struct): Document that die_sib makes
6023 a circular linked list.
6024 (FOR_EACH_CHILD): New.
6025 (reverse_die_lists): Delete.
6026 (reverse_all_dies): Delete.
6027 (add_dwarf_attr): Correct documentation.
6028 (remove_child_with_prev): New.
6029 (remove_child_TAG): Update for change to die_struct, use
6030 remove_child_with_prev.
6031 (add_child_die): Update for change to die_struct.
6032 (splice_child_die): Use remove_child_with_prev and add_child_die.
6033 (print_die): Use FOR_EACH_CHILD.
6034 (die_checksum): Likewise.
6035 (assign_symbol_names): Likewise.
6036 (output_location_lists): Likewise.
6037 (build_abbrev_table): Likewise.
6038 (calc_die_sizes): Likewise.
6039 (mark_dies): Likewise.
6040 (unmark_dies): Likewise.
6041 (unmark_all_dies): Likewise.
6042 (output_die): Likewise.
6043 (prune_unused_types_mark): Likewise.
6044 (prune_unused_types_walk): Likewise.
6045 (same_die_p): Update for change to die_struct.
6046 (break_out_includes): Likewise.
6047 (prune_unused_types_prune): Likewise.
6048 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6049 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6051 (dwarf2out_finish): Don't call reverse_all_dies.
6053 2006-04-21 Eric Christopher <echristo@apple.com>
6055 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6056 in comments and function names.
6058 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6061 * c-typeck.c (digest_init): Robustify.
6063 * c-typeck.c (pop_init_level): Simplify.
6065 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6067 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6069 2006-04-21 Paul Brook <paul@codesourcery.com>
6071 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6072 hardware floating point.
6074 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6076 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6079 2006-04-21 Nick Clifton <nickc@redhat.com>
6081 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6084 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6087 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6088 C++ lang type in traceback table for Objective-C++.
6090 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6092 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6094 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6096 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6099 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6100 were errors. Remove check for erroneous objects.
6102 2006-04-20 Jeff Law <law@redhat.com>
6104 PR tree-optimization/26854
6105 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6106 checking for zero or one use.
6107 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6108 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6109 * tree-ssa-reassoc.c (negate_value): Similarly.
6110 (reassociate_bb): Similarly.
6112 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6114 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6115 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6116 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6118 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6120 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6121 fp regs if the last fp arg doesn't fit in regs.
6123 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6126 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6127 that the last insn has the REG_INC note.
6129 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6130 Nathan Sidwell <nathan@codesourcery.com>
6133 * stor-layout.c (update_alignment_for_field): Do not align
6135 (place_union_field): Place union field at the start of the union.
6136 (place_field): Move ERROR_MARK check later, and use the current
6137 allocation position to maintain monotonicity.
6139 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6141 * dominance.c: Include timevar.h.
6142 (calculate_dominance_info): Use TV_DOMINANCE.
6143 * timevar.def (TV_DOMINANCE): New timevar.
6144 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6146 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6148 PR rtl-optimization/14261
6149 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6150 move would be an INSV insn.
6151 (noce_process_if_block): Don't optimize if the destination is a
6152 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6154 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6156 * config/s390/s390.md: Add comments with the instructions emitted
6157 by an insn pattern if macros are used.
6159 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6161 PR rtl-optimization/26026
6162 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6163 is a known power of two shifted left a variable amount.
6165 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6167 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6168 to hash table twice when the debug_str section has SECTION_MERGE.
6170 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6172 * config/soft-fp: New directory. From glibc.
6173 * config/soft-fp/t-softfp: New.
6174 * config/soft-fp/README: New.
6175 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6176 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6177 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6178 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6179 * config.gcc: Use rs6000/t-fprules-fpbit or
6180 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6182 * config/rs6000/sfp-machine.h: New. Based on glibc.
6183 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6185 * config/rs6000/t-fprules: Remove fp-bit rules.
6186 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6187 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6188 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6189 (softfp_wrap_start, softfp_wrap_end): New.
6191 2006-04-18 DJ Delorie <dj@redhat.com>
6193 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6195 2006-04-18 Devang Patel <dpatel@apple.com>
6197 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6199 2006-04-18 Nick Clifton <nickc@redhat.com>
6201 * config/sh/t-symbian: Add rule to build sh-c.o
6202 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6203 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6204 (sh_symbian_encode_section_info): Likewise.
6206 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6208 * builtins.c (expand_builtin_strcmp): Cover label definition of
6209 do_libcall with HAVE_cmpstrnsi.
6211 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6213 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6215 * function.h (temp_slot_p): New.
6216 (function): Change the type of x_used_temp_slots to
6217 VEC(temp_slot_p,gc) *.
6219 2006-04-18 Nick Clifton <nickc@redhat.com>
6221 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6222 flag_strength_reduce.
6224 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6226 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6230 Partial revert of revision 112637
6231 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6232 Dale Johannesen <dalej@apple.com>
6235 * regclass.c (struct reg_pref): Update documentation.
6236 (regclass): Set prefclass to NO_REGS if memory is the best option.
6237 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6239 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6241 PR tree-optimization/26821
6242 * tree-ssa-math-opts.c (get_constant_one): New.
6243 (insert_reciprocals): Use it.
6245 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6247 * dwarf2out.c (free_AT): Delete.
6248 (remove_AT): Update string ref counts.
6249 (remove_child_TAG): Don't call free_die.
6251 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6252 or DW_TAG_GNU_EINCL.
6253 (prune_unused_types_walk_attribs): Reset string refcounts.
6254 (prune_unused_types_update_strings): New.
6255 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6256 call free_die. Do call prune_unused_types_update_strings.
6257 (prune_unused_types): Empty debug_str_hash.
6259 2006-04-17 Roger Sayle <roger@eyesopen.com>
6261 * expr.c (expand_assignment): Optimize away no-op moves where the
6262 source and destination are equal and have no side-effects.
6264 2006-04-17 Richard Guenther <rguenther@suse.de>
6267 * reload.c (push_reload): Guard calls to get_secondary_mem
6270 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6272 * alias.c (reg_base_value, old_reg_base_value): Change the
6273 type to VEC(rtx,gc) *.
6274 (REG_BASE_VALUE, find_base_value, record_set,
6275 init_alias_analysis): Use VEC instead of VARRAY.
6277 * alias.c (alias_sets): Change the type to
6278 VEC(alias_set_entry,gc) *.
6279 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6280 VEC instead of VARRAY.
6281 (last_alias_set): Remove.
6283 * cgraph.h (cgraph_edge_p): New.
6284 Update the prototype of cgraph_function_versioning.
6285 * cgraphunit.c (cgraph_copy_node_for_versioning,
6286 cgraph_function_versioning): Use VEC instead of VARRAY.
6287 * ipa-cp.c (ipcp_insert_stage): Likewise.
6289 2006-04-16 Roger Sayle <roger@eyesopen.com>
6292 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6293 "A op B" or "A op C", we may need to convert A to the type of B and C.
6295 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6297 * target.h (struct gcc_target): Add mode_rep_extended.
6298 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6299 (init_num_sign_bit_copies_in_rep): Initialize it using
6301 (truncate_to_mode): Use it.
6302 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6303 * targhooks.h (default_mode_rep_extended): Declare it.
6304 * targhooks.c (default_mode_rep_extended): Define it.
6305 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6306 default_mode_rep_extended.
6307 (TARGET_INITIALIZER): Include it.
6308 * doc/tm.texi (Misc): Document it.
6309 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6310 (mips_truncated_to_mode): New function.
6312 2006-04-16 Roger Sayle <roger@eyesopen.com>
6315 * expr.c (compress_float_constant): Copy the narrow constant into
6316 a new pseudo before extending it to its final width.
6318 2006-04-16 Roger Sayle <roger@eyesopen.com>
6319 Andrew Pinski <pinskia@gcc.gnu.org>
6320 Dale Johannesen <dalej@apple.com>
6323 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6324 special case code to implement V8HImode and V16QImode with SSE2.
6326 2006-04-15 Roger Sayle <roger@eyesopen.com>
6328 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6329 trees are constructed with a suitable tree type.
6331 2006-04-15 Roger Sayle <roger@eyesopen.com>
6333 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6334 (integer_onep): Likewise.
6335 (integer_all_onesp): Likewise.
6336 (integer_pow2p): Likewise.
6337 (integer_nonzerop): Likewise.
6338 (real_zerop): Likewise.
6339 (real_onep): Likewise.
6340 (real_twop): Likewise.
6341 (real_minus_onep): Likewise.
6342 (int_size_in_bytes): Likewise.
6343 (host_integerp): Likewise.
6345 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6347 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6348 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6349 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6351 * tree-ssa-structalias.h (alias_info): Remove num_references.
6353 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6355 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6356 (output_bvb patterns): Likewise.
6357 * pa.c (output_bb): Use 'bb' insn for long branch case.
6358 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6359 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6360 1. Correct length operand for alternatives 1 and 2.
6361 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6362 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6364 2006-04-14 Roger Sayle <roger@eyesopen.com>
6366 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6367 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6368 were accidentally reverted by r112959.
6370 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6373 * except.h (eh_region_outermost): New prototype.
6374 * except.c (eh_region_outermost): New function.
6375 * tree-cfg.c (find_outermost_region_in_block): Use it.
6377 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6379 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6381 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6382 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6383 (init_reload, reload): Use VEC instead of VARRAY.
6384 * reload.h: Update the prototype for
6385 reg_equiv_memory_loc_varray.
6387 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6388 Eric Botcazou <ebotcazou@libertysurf.fr>
6390 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6393 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6396 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6397 to expand fallback builtin function call.
6399 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6402 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6403 and emit libcall here in case the builtin fails.
6404 (expand_builtin_strcmp): Always emit the libcall here on failure.
6406 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6408 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6409 * flow.c (reg_n_info): Change the type to
6410 VEC(reg_info_p,heap) *.
6411 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6413 * regs.h (reg_info_p): New.
6414 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6415 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6416 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6419 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6421 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6423 * params.h (MAX_SCHED_READY_INSNS): New macro.
6424 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6425 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6426 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6427 the ready list for 1 cycle during the first scheduling pass.
6428 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6430 2006-04-13 Richard Henderson <rth@redhat.com>
6433 * gimple-low.c (lower_omp_directive): Remove dead code.
6434 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6435 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6436 * omp-low.c (struct omp_region): Move to tree-flow.h.
6437 (root_omp_region): Export.
6438 (omp_regions, lookup_omp_region): Remove.
6439 (determine_parallel_type): Update for struct omp_region changes.
6440 (dump_omp_region): Dump regions with block numbers.
6441 (new_omp_region): Take type and block instead of stmt; malloc
6443 (free_omp_region_1, free_omp_regions): New.
6444 (expand_parallel_call): Take entry_stmt as argument; update for
6445 changes to omp_region.
6446 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6447 (remove_exit_barriers): New.
6448 (expand_omp_parallel): Update for struct omp_region changes.
6449 (expand_omp_synch): Likewise.
6450 (expand_omp): Likewise.
6451 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6452 (expand_omp_for_static_chunk): Likewise.
6453 (expand_omp_for): Likewise.
6454 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6455 (expand_omp_sections): Similarly, with GOMP_sections_end.
6456 (expand_omp_single): New.
6457 (build_omp_regions_1): Update for OMP_CONTINUE.
6458 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6459 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6460 OMP_SECTIONS_SECTIONS.
6461 (lower_omp_single_simple): Don't emit barrier here.
6462 (lower_omp_single_copy): Likewise.
6463 (lower_omp_single): Fix bindings, and lower to straightline now.
6464 (lower_omp_master, lower_omp_ordered): Likewise.
6465 (lower_omp_critical): Likewise.
6466 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6467 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6468 omp edges, free it afterward.
6469 (make_omp_sections_edges): Remove.
6470 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6471 (move_stmt_r): Handle OMP_CONTINUE.
6472 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6473 statement pointers to basic blocks. Add type member.
6474 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6475 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6476 * tree-inline.c (estimate_num_insns_1): Likewise.
6477 * tree-pretty-print.c (dump_generic_node): Likewise.
6478 * tree-ssa-operands.c (get_expr_operands): Likewise.
6479 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6480 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6481 (OMP_CONTINUE): New.
6482 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6483 (OMP_SECTIONS_SECTIONS): Remove.
6484 (OMP_SECTION_LAST): New.
6485 (OMP_RETURN_NOWAIT): New.
6487 2006-04-13 Roger Sayle <roger@eyesopen.com>
6489 * fold-const.c (native_encode_vector, native_interpret_real):
6490 Correct obvious mistakes in the previous check-in.
6492 2006-04-13 Roger Sayle <roger@eyesopen.com>
6494 * fold-const.c (native_encode_expr): New function to encode
6495 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6496 or VECTOR_CST into a specified buffer.
6497 (native_encode_int): New function.
6498 (native_encode_real): New function.
6499 (native_encode_complex): New function.
6500 (native_encode_vector): New function.
6501 (native_interpret_expr): Inverse of native_encode_expr to convert
6502 a target representation into an INTEGER_CST, REAL_CST etc...
6503 (native_interpret_int): New function.
6504 (native_interpret_real): New function.
6505 (native_interpret_complex): New function.
6506 (native_interpret_vector): New function.
6507 (fold_view_convert_expr): New function to constant fold/evaluate
6508 a VIEW_CONVERT_EXPR of a suitable constant expression.
6509 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6510 Change call of build1 to fold_build1 when constructing a
6513 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6514 Ulrich Weigand <uweigand@de.ibm.com>
6517 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6520 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6523 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6524 optimize to lo_sum for DFmode if !TARGET_FPRS.
6526 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6528 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6529 delete_alias_info, compute_flow_sensitive_aliasing,
6530 group_aliases): Use VEC instead of VARRAY.
6531 * tree-ssa-structalias.c (update_alias_info): Likewise.
6532 * tree-ssa-structalias.h (alias_info): Change the type of
6533 processed_ptrs to VEC(tree,heap) *.
6535 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6538 * config/sh/lib1funcs.h: New file, broken out of:
6539 * config/sh/lib1funcs.asm.
6540 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6542 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6543 * config/sh/lib1funcs-Os-4-200.asm: New file.
6544 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6545 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6546 (EXTRA_MULTILIB_PARTS): Include it.
6547 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6548 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6549 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6550 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6553 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6555 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6556 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6557 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6559 * tree-ssa-live.h: Include vecprim.h.
6560 (tree_partition_associator_d): Change the type of
6561 first_partition to VEC(int,heap) *.
6562 (tpa_first_partition): Use VEC instead of VARRAY.
6564 * Makefile.in (GTFILES): Move functions.h after tree.h.
6565 * function.c (reset_block_changes, record_block_change,
6566 check_block_change, free_block_changes): Use VEC instead of
6568 * function.h (function): Change the type of
6569 ib_boundaries_block to VEC(tree,gc) *.
6570 * tree-inline.c (copy_cfg_body): Initialize
6571 ib_boundaries_block to NULL instead of (varray_type) 0.
6573 2006-04-12 Roger Sayle <roger@eyesopen.com>
6575 * expr.c (emit_group_store): Correct operand order in call to
6576 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6577 a SUBREG_BYTE of zero.
6579 2006-04-12 Richard Guenther <rguenther@suse.de>
6581 * profile.c (compute_branch_probabilities): Remove code
6582 encapsulated in !ir_type (), which are remanents of the
6583 removed RTL profiling code.
6584 * rtl-profile.c: Remove.
6586 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6588 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6589 magic NULL_RTX comment.
6590 (function_arg): Store entire fp arg to mem if any part should go
6592 (rs6000_arg_partial_bytes): Adjust for above change.
6594 2006-04-11 Roger Sayle <roger@eyesopen.com>
6596 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6597 if it hasn't been initialized by dwarf2out_init.
6599 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6601 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6602 symbolic constants in branch patterns.
6604 2006-04-11 Roger Sayle <roger@eyesopen.com>
6606 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6608 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6610 PR rtl-optimization/27073
6611 * gcse.c (try_replace_reg): Revert last change. Continue to search
6612 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6615 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6617 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6618 aggregate types other than record and union types.
6619 (function_arg): Likewise.
6620 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6622 (function_value): In 64-bit mode, return objects that require it
6625 2006-04-11 Roger Sayle <roger@eyesopen.com>
6627 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6629 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6631 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6633 2006-04-03 Jeff Law <law@redhat.com>
6636 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6637 alias information too.
6639 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6641 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6643 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6646 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6647 (premark_used_types_helper): New.
6648 (premark_used_types): New.
6649 (gen_subprogram_die): Call premark_used_types.
6650 (prune_unused_types_walk): Do not prune perennial dies.
6651 * function.c (used_types_insert): New.
6652 * function.h (struct function): Add used_types_hash field.
6653 (used_types_insert): Add prototype.
6654 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6655 * c-parser.c (c_parser_cast_expression): Save casted types in used
6658 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6661 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6662 rs6000_explicit_options.float_gprs.
6664 2006-04-10 Roger Sayle <roger@eyesopen.com>
6666 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6667 from ix86_expand_vector_init_low_nonzero. Take an additional
6668 one_var argument indicating which element is non-zero. Support
6669 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6670 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6671 with one_var instead of ix86_expand_vector_init_low_nonzero.
6673 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6675 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6676 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6677 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6678 build/genextract.o): Depend on vecprim.h.
6679 * cfglayout.c, df-problems.c, function.c, genextract.c,
6680 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6681 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6685 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6687 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6688 Declare VECs of this type.
6689 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6690 (remove_children): Delete.
6691 (add_dwarf_attr): Use VEC routines.
6692 (add_AT_flag): Update for changes to add_dwarf_attr.
6693 (add_AT_int): Likewise.
6694 (add_AT_unsigned): Likewise.
6695 (add_AT_long_long): Likewise.
6696 (add_AT_vec): Likewise.
6697 (add_AT_string): Likewise.
6698 (add_AT_die_ref): Likewise.
6699 (add_AT_fde_ref): Likewise.
6700 (add_AT_loc): Likewise.
6701 (add_AT_loc_list): Likewise.
6702 (add_AT_addr): Likewise.
6703 (add_AT_lbl_id): Likewise.
6704 (add_AT_lineptr): Likewise.
6705 (add_AT_macptr): Likewise.
6706 (add_AT_offset): Likewise.
6707 (add_AT_range_list): Likewise.
6708 (get_AT): Use VEC_iterate.
6709 (remove_AT): Use VEC_ordered_remove.
6710 (free_die): Fold remove_children into here; have it use VEC_iterate.
6711 (print_die): Use VEC_iterate on attrs.
6712 (reverse_die_lists): Don't reverse attr lists.
6713 (die_checksum): Use VEC_iterate on attrs.
6714 (same_die_p): Likewise.
6715 (output_location_lists): Likewise.
6716 (build_abbrev_table): Likewise.
6717 (size_of_die): Likewise.
6718 (unmark_all_dies): Likewise.
6719 (output_abbrev_section): Likewise.
6720 (output_die): Likewise.
6721 (prune_unused_types_walk_attribs): Likewise.
6723 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6725 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6727 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6730 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6732 2006-04-09 Roger Sayle <roger@eyesopen.com>
6734 * expr.c (store_constructor): Don't bother clearing target if
6735 we're about to assign a vector to it using vec_init_optab.
6737 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6739 * tree-ssa-alias.c (lhs_may_store_to): New function.
6740 (recalculate_used_alone): Handle LHS of calls.
6742 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6746 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6747 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6748 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6749 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6750 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6751 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6752 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6753 stubs. Add ".align 8" directives before all ".dword" directives.
6754 (GTHREAD_USE_WEAK): Revise comment.
6755 (TARGET_ATTRIBUTE_WEAK): Define.
6756 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6757 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6758 * stublib.c: New file.
6763 * pa.md (cbranch patterns): Revise arguments used in calls to
6764 output_cbranch, output_bb and output_bvd. Add long branch length
6766 (fbranch patterns): Handle long branches.
6767 (jump): Revise length check. Revise arguments for output_lbranch call.
6768 Add long branch length attributes.
6769 (decrement_and_branch_until_zero): Add long branch length attributes.
6770 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6771 Likewise. Revise arguments for output_parallel_addb and
6772 output_parallel_movb calls.
6773 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6774 output_parallel_movb and output_parallel_addb): Update prototypes.
6775 * pa.c (output_cbranch): Revise arguments. Correct handling of
6776 nullification in long branches.
6777 (output_lbranch): Add new argument to control extraction of delay
6779 (output_bb): Handle long branches.
6780 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6781 output_parallel_addb): Likewise.
6783 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6785 PR rtl-optimization/27073
6786 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6789 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6791 * tree.h (tree_memory_tag): Add old_used_alone.
6792 (SMT_OLD_USED_ALONE): New macro.
6793 * tree-ssa-alias.c (recalculate_used_alone): Stop
6794 marking things for renaming unnecessarily.
6796 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6798 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6799 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6800 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6801 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6802 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6803 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6804 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6805 spelling convensions.
6806 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6807 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6808 typos. Follow spelling conventions.
6810 2006-04-07 DJ Delorie <dj@redhat.com>
6812 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6813 passed on the stack.
6814 (m32c_init_cumulative_args): When a function returns a structure,
6815 always pass the pointer to that return area on the stack.
6816 (m32c_function_arg_advance): Don't increment the parameter number
6817 if we're processing the returned structure pointer.
6818 (pushm_info): Reverse order of registers.
6820 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6822 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6823 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6824 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6825 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6827 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6828 chrec_fold_multiply): Same.
6829 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6830 force_expr_to_var_cost): Same.
6831 * tree-mudflap.c (mf_xform_derefs_1): Same.
6832 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6834 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6836 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6837 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6840 2006-04-07 Jan Hubicka <jh@suse.cz>
6842 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6844 2006-04-07 Richard Guenther <rguenther@suse.de>
6846 PR tree-optimization/26135
6847 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6848 loads for store copy-prop.
6849 (copy_prop_visit_stmt): Likewise.
6851 2006-04-05 Robert Millan <robertmh@gnu.org>
6853 * config/i386/linux.h: Add a comment to mark macros that are
6854 being overriden in config/k*bsd-gnu.h.
6855 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6857 * config/knetbsd-gnu.h: Ditto.
6859 2006-04-06 Jan Hubicka <jh@suse.cz>
6863 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6866 2006-04-06 Mike Stump <mrs@apple.com>
6868 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6869 for HAVE_nonlocal_goto to be consistent.
6870 (expand_builtin_nonlocal_goto): Likewise.
6871 (expand_builtin_strcmp): Use #ifdef instead of #if
6872 for HAVE_cmpstrnsi to be consistent.
6874 2006-04-05 DJ Delorie <dj@redhat.com>
6876 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6879 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6881 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6882 got-relative addressing for anything but SImode.
6884 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6885 even if the calling function doesn't modify them.
6887 2006-04-05 Richard Guenther <rguenther@suse.de>
6889 PR tree-optimization/26919
6890 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6891 to cgraph_estimate_size_after_inlining.
6893 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6895 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6897 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6899 PR tree-optimization/26996
6900 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6901 VECTOR_TYPE variables.
6903 2006-04-05 Richard Guenther <rguenther@suse.de>
6905 PR tree-optimization/26763
6906 * fold-const.c (fold_comparison): Move folding of
6907 PTR + CST CMP PTR + CST ...
6908 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6910 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6912 * doc/install.texi (Prerequisites): Refine some wording on
6913 bootstrapping and ksh.
6914 Move the version numbers of DejaGnu here from the testing section
6915 and fix casing of names.
6916 Fix markup and clarify wording for autogen requirements.
6917 Refer to GCJ instead of just java.
6918 Refer to SVN instead of CVS.
6919 Describe diffutils as useful instead of necessary.
6920 (Downloading the source): Refer to SVN instead of CVS.
6921 Adjust a link to our web site accordingly.
6922 (Configuration): Fix casing of Bison.
6923 (Building): Refer to SVN instead of CVS.
6924 Fix a sentence on the use of Bison and remove duplicate (and
6925 incorrect) version number of Bison requirement.
6926 Remove one redundant list of packages needed for building.
6927 (Specific): Avoid reference to CVS.
6929 2006-04-04 Eric Christopher <echristo@apple.com>
6931 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6932 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6933 (rs6000_handle_struct_attribute): New.
6934 (rs6000_ms_bitfield_layout_p): Ditto.
6936 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6938 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6939 NULL for dso parameter to atexit_common.
6941 2006-04-04 Eric Christopher <echristo@apple.com>
6943 * config/i386/i386.c (machopic_output_stub): Output \t
6944 between instructions and operands.
6946 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6948 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6949 satisfies_constraint_[IL] to explicit tests on value.
6951 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6953 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6954 set_nb_iterations_in_loop): Use build_int_cst instead of
6956 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6957 build_int_cst instead of convert.
6959 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6961 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6962 new value 2 for incoming.
6963 * function.c (expand_function_start): Call struct_value_rtx
6965 * config/sparc/sparc.md: Comment updated_return.
6966 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6967 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6968 struct return if sparc_std_struct_return and incoming is 2.
6969 (print_operand): Do not adjust return if
6970 sparc_std_struct_return.
6972 2006-04-04 Roger Sayle <roger@eyesopen.com>
6974 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6975 convert in the middle-end.
6976 * expr.c (store_expr, store_constructor, get_inner_reference,
6977 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6979 * tree.c (build_range_type): Likewise.
6981 2006-04-04 Tom Tromey <tromey@redhat.com>
6983 * doc/install.texi (Prerequisites): Mention jar.
6985 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6987 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6990 2006-04-04 Matthias Klose <doko@debian.org>
6992 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6996 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6999 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7001 * doc/extend.texi (Function Attributes): Rewrite visibility
7002 attribute documentation.
7003 * doc/invoke.texi (C++ Dialect Options): Rewrite
7004 -fvisibility-inlines-hidden documentation to describe something
7005 entirely different, although in practise compatible.
7006 (Code Gen Options): Warn about system headers in -fvisibility=
7009 * doc/extend.texi (Other Builtins): Document that
7010 __builtin_nan is a compile-time constant only when its argument
7013 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7015 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7016 trying to remove TRUNCATE check if all bits outside the new mode
7017 are identical to the sign bit.
7019 2006-04-03 Jeff Law <law@redhat.com>
7021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7022 and operand scanning in some common cases.
7024 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7025 Dale Johannesen <dalej@apple.com>
7028 * regclass.c (struct reg_pref): Update documentation.
7029 (regclass): Set prefclass to NO_REGS if memory is the best option.
7030 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7031 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7032 into account. For non-registers, equate an empty preferred
7033 reload class to a `!' in the constraint; move the if clause to
7034 do so after those that reject the insn.
7035 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7037 (find_dummy_reload): Likewise.
7038 * doc/tm.texi (Register Classes): Document what it means
7039 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7040 * config/i386/i386.c (ix86_preferred_reload_class): Force
7041 using SSE registers (and return NO_REGS for floating-point
7042 constants) if math is done with SSE.
7043 (ix86_preferred_output_reload_class): New.
7044 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7045 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7046 * config/i386/i386.md: Remove # register preferences.
7048 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7051 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7052 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7053 the type of nb_iter.
7054 (instantiate_parameters_1): Convert the operands before calling
7055 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7056 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7058 2006-04-02 Roger Sayle <roger@eyesopen.com>
7060 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7061 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7063 * dojump.c (do_jump): Likewise.
7064 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7065 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7066 gimplify_boolean_expr): Likewise.
7067 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7068 * varasm.c (array_size_for_constructor): Likewise.
7069 * tree-object-size.c (compute_object_offset): Likewise.
7071 2006-04-02 Roger Sayle <roger@eyesopen.com>
7074 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7075 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7077 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7079 PR tree-optimization/26939
7080 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7082 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7084 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7085 at_stmt. Convert the type of operands before calling
7086 build_polynomial_chrec.
7087 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7089 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7090 (instantiate_parameters_1): Convert the type of operands before calling
7091 build_polynomial_chrec.
7092 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7093 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7094 reset_evolution_in_loop): Insert asserts to check the types of the
7096 (chrec_type): Moved...
7097 (eq_evolutions_p): Use operand_equal_p.
7098 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7099 the types of the operands.
7100 (chrec_type): ...here.
7101 * tree-data-ref.c (create_data_ref): Convert the operands before
7102 calling chrec_replace_initial_condition.
7103 (same_access_functions, analyze_subscript_affine_affine,
7104 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7105 (compute_subscript_distance, analyze_ziv_subscript,
7106 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7107 analyze_miv_subscript): Convert the operands before calling
7108 chrec_fold_minus or chrec_fold_plus.
7110 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7112 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7113 the dependence_relations vector.
7114 (compute_data_dependences_for_loop): Adjust call to
7115 compute_all_dependences.
7117 2006-04-01 Roger Sayle <roger@eyesopen.com>
7118 Richard Henderson <rth@redhat.com>
7120 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7121 gimple_boolify on the condition before calling gimplify_expr.
7123 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7125 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7126 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7127 the frame size. Update to use the new macros.
7128 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7129 * config/xtensa/ieee754-df.S: Likewise.
7131 2006-03-31 Richard Henderson <rth@redhat.com>
7133 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7134 (make_edges): ... here. Control fallthru creation with a local
7135 variable. Do not play with fake edges.
7136 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7137 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7140 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7142 * dwarf2.h (DW64_CIE_ID): Define.
7143 * dwarf2out.c (DWARF_CIE_ID): Define.
7144 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7145 length header. Use DWARF_CIE_ID.
7146 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7147 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7149 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7151 * config/sh/linux-atomic.asm: New file.
7152 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7154 2006-03-31 DJ Delorie <dj@redhat.com>
7156 * config/m32c/cond.md: Set condition flags properly throughout.
7157 * config/m32c/minmax.md: Likewise.
7158 * config/m32c/prologue.md: Likewise.
7159 * config/m32c/bitops.md: Likewise.
7160 * config/m32c/muldiv.md: Likewise.
7161 * config/m32c/mov.md: Likewise.
7162 * config/m32c/addsub.md: Likewise.
7163 * config/m32c/m32c.md: Likewise.
7164 * config/m32c/jump.md: Likewise.
7165 * config/m32c/shift.md: Likewise.
7167 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7168 conditionally output the pattern for this.
7169 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7170 (m32c_compare_redundant): New.
7171 (m32c_output_compare): New.
7172 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7174 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7175 dest, not src. Allow other 4-byte modes.
7177 2006-03-30 Denis Chertykov <denisc@overta.ru>
7179 * doc/md.texi: Refer to avr/constraints.md instead of
7182 2006-03-30 Roger Sayle <roger@eyesopen.com>
7184 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7185 signed vs. unsigned comparison failures on some hosts.
7187 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7190 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7191 change to FLOAT_REGS.
7193 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7194 (rs6000_override_options): Use it.
7195 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7196 only for -mabi=spe/no-spe and -mabi=altivec.
7198 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7200 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7203 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7205 * Makefile.in: Rename docdir to gcc_docdir.
7207 2006-03-30 Roger Sayle <roger@eyesopen.com>
7210 * expr.c (emit_group_store): Optimize group stores into a pseudo
7211 register by using a paradoxical subreg to initialize the destination
7212 if the first or last member of the group specifies a "low part".
7214 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7217 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7218 * target.h (struct gcc_target.speculate_insn): Change type of the
7219 second parameter to 'int'.
7220 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7221 the second operand of the DEPS_LIST.
7222 (copy_DEPS_LIST_list): Update reference to the second operand of the
7224 * rtl.h (alloc_DEPS_LIST): Update signature.
7225 * sched-int.h (ds_t): Change typedef to 'int'.
7226 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7228 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7230 * haifa-sched.c (try_ready): Change condition to restore
7231 non-speculative pattern of the instruction.
7232 (process_insn_depend_be_in_spec): Code to keep probability of the
7233 speculative dependence non-decreasing.
7235 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7237 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7238 (single_move_for_movmem): ... this. Also change all uses.
7239 (bfin_expand_strmov): Renamed to...
7240 (bfin_expand_movmem): ... this. Also change all uses.
7241 * config/bfin/bfin.md (movstrsi): Renamed to...
7242 (movstrsi): ...this.
7244 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7246 PR tree-optimization/26830
7248 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7249 (copy_prop_visit_stmt): Remove write-only variable ann.
7250 (init_copy_prop): Check variable loop depth here. Do not simulate
7251 memory-tag and virtual operand PHIs except for store copy prop.
7253 2006-03-30 Richard Guenther <rguenther@suse.de>
7255 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7256 variants with double arguments.
7258 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7260 * genpreds.c (write_tm_constrs_h): Delete variable p.
7261 * genconditions.c (write_header): Add tm-constrs.h to included
7263 * genpeep.c (main): Add toplev.h to included headers.
7264 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7265 (build/genpeep.o): Add toplev.h dependency.
7266 * config/rs6000/constraints.md: Add "W" constraint.
7268 2006-03-29 Roger Sayle <roger@eyesopen.com>
7270 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7271 sizes by correctly testing whether the size fits a host integer.
7272 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7273 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7274 SImode range for the default sizetype and bitsizetype.
7276 2006-03-29 Roger Sayle <roger@eyesopen.com>
7278 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7279 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7280 quickly if the argument is already of the correct type.
7281 Call fold_build1 instead of build1. Tidy up blank lines.
7283 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7285 * genemit.c (main): Add tm-constrs.h to included headers.
7286 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7287 * genpeep.c (main): Add tm-constrs.h to included headers.
7288 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7289 (write_tm_constrs_h): this and write complete file.
7290 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7291 (write_insn_preds_c): Add tm-constrs.h to included headers.
7292 (gen_constrs): New variable.
7293 (parse_option): Parse "-c".
7294 (main): Invoke write_tm_constrs_h.
7295 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7296 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7297 (object_out_file): Add tm-constrs.h dependency.
7298 (insn-emit.o): Same.
7299 (insn-output.o): Same.
7300 (insn-peep.o): Same.
7301 (insn-preds.o): Same.
7302 (insn-recog.o): Same.
7303 (tm-constsr.h): New target.
7304 (s-constrs-h): New target.
7306 * config/rs6000/constraints.md: New file.
7307 * config/rs6000/rs6000.c: Include tm-constrs.h.
7308 (num_insn_constant_wide): Convert to satisfies_constraint.
7309 (rs6000_rtx_costs): Convert to satisfies_constraint.
7310 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7311 (CONST_OK_FOR_LETTER_P): Delete.
7312 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7313 (EXTRA_CONSTRAINT): Delete.
7314 (EXTRA_MEMORY_CONSTRAINT): Delete.
7315 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7316 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7317 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7318 satisfies_constraint.
7320 * config/i386/i386.c: Include tm-constrs.h.
7322 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7324 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7325 * tree-data-ref.c (find_data_references_in_loop,
7326 compute_data_dependences_for_loop): Use pointers to VEC.
7327 (analyze_all_data_dependences): Adjust calls.
7328 * tree-data-ref.h (find_data_references_in_loop,
7329 compute_data_dependences_for_loop): Adjust declarations.
7330 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7331 compute_data_dependences_for_loop.
7333 2006-03-29 Paul Brook <paul@codesourcery.com>
7335 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7338 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7340 PR tree-optimization/26859
7341 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7343 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7344 for the step after fold_convert.
7346 2006-03-29 Paul Brook <paul@codesourcery.com>
7348 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7349 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7351 2006-03-29 Paul Brook <paul@codesourcery.com>
7354 * targhooks.c (default_narrow_bitfield): New fuction.
7355 * targhooks.h (default_narrow_bitfield): add prototype.
7356 * target.h (gcc_target): Add narrow_volatile_bitfield.
7357 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7358 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7359 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7360 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7362 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7364 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7366 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7367 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7368 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7369 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7370 (s390_function_arg_float): Allow SDmode and DDmode values to be
7371 passed in floating point registers.
7372 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7373 check with SCALAR_FLOAT_MODE_P.
7374 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7376 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7378 PR tree-optimization/25985
7379 * tree-ssa-loop-niter.c (number_of_iterations_le,
7380 number_of_iterations_ne): Make comments more precise.
7381 (number_of_iterations_cond): Add only_exit argument. Use the
7382 fact that signed variables do not overflow only when only_exit
7384 (loop_only_exit_p): New.
7385 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7386 number_of_iterations_cond.
7388 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7390 PR tree-optimization/26643
7391 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7394 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7396 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7397 (divsi3_i4_int): Likewise.
7399 2006-03-28 Roger Sayle <roger@eyesopen.com>
7401 * expr.c (emit_group_store): Only create a new pseudo reg if the
7402 quantity it needs to hold isn't already a suitable pseudo.
7404 2006-03-28 Jeff Law <law@redhat.com>
7406 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7407 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7409 2006-03-28 Roger Sayle <roger@eyesopen.com>
7411 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7412 the equivalent ~X & Y, and the symmetry related transformations.
7413 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7414 ~X & Y, and symmetry related transforms.
7416 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7418 Revert my 2006-03-27 patches.
7420 2006-03-28 Roger Sayle <roger@eyesopen.com>
7422 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7423 ~(T1)X, when T1 and T2 are integer types of the same precision
7424 and (T2)X isn't an extension.
7426 2006-03-28 Jeff Law <law@redhat.com>
7428 PR tree-optimization/26796
7429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7430 need EH edge cleanups rather than purging them immediately.
7431 (eliminate_degenerate_phis): Handle queued EH cleanups.
7433 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7435 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7438 2006-03-27 Roger Sayle <roger@eyesopen.com>
7441 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7442 cast BIT_NOT_EXPR operand to the correct type.
7444 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7446 * tree-loop-linear.c: Don't include varray.h.
7447 (gather_interchange_stats, try_interchange_loops,
7448 linear_transform_loops): Use VEC instead of VARRAY.
7449 * lambda-mat.c: Don't include varray.h.
7450 * tree-chrec.c: Same.
7451 * lambda-trans.c: Same.
7452 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7453 VEC instead of VARRAY.
7454 * tree-vectorizer.h: Idem.
7455 * tree-data-ref.c (dump_data_references,
7456 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7457 initialize_data_dependence_relation, finalize_ddr_dependent,
7458 compute_all_dependences, find_data_references_in_loop,
7459 compute_data_dependences_for_loop, analyze_all_data_dependences,
7460 free_dependence_relation, free_dependence_relations,
7461 free_data_refs): Idem.
7462 * tree-data-ref.h (data_reference_p, subscript_p): New.
7463 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7464 VEC instead of VARRAY.
7465 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7466 (find_data_references_in_loop, compute_data_dependences_for_loop,
7467 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7468 dump_data_dependence_relations, free_dependence_relations,
7469 free_data_refs): Adjust declaration.
7470 (lambda_transform_legal_p): Move declaration here...
7471 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7472 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7473 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7474 vect_analyze_data_refs): Use VEC instead of VARRAY.
7475 * lambda.h (lambda_transform_legal_p): ...from here.
7476 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7477 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7478 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7479 tree-chrec.o): Don't depend on VARRAY_H.
7481 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7483 * rtl.def (Copyright): Update date.
7484 (DEPS_LIST): Change type of the second operand to 'int'.
7485 * target.h (Copyright): Update date.
7486 (struct gcc_target.speculate_insn): Change type of the second parameter
7488 * lists.c (Copyright): Update date.
7489 (alloc_DEPS_LIST): Change signature. Update reference to the second
7490 operand of the DEPS_LIST.
7491 (copy_DEPS_LIST_list): Update reference to the second operand of the
7493 * rtl.h (Copyright): Update date.
7494 (alloc_DEPS_LIST): Update signature.
7495 * sched-int.h (Copyright): Update date.
7496 (ds_t): Change typedef to 'int'.
7497 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7499 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7501 * haifa-sched.c (Copyright): Update date.
7502 (try_ready): Change condition to restore non-speculative pattern
7504 (process_insn_depend_be_in_spec): Code to keep probability of the
7505 speculative dependence non-decreasing.
7507 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7509 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7510 shut up the compiler.
7512 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7514 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7515 to use lib prefix for target.
7516 ($(T)libic_invalidate_array_4-200.a): Likewise.
7517 ($(T)libic_invalidate_array_4a.a): Likewise.
7519 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7520 J"orn Rennecke <joern.rennecke@st.com>
7522 * superh.opt: New file.
7523 * sh.c (boardtype, osruntime): Remove.
7524 * superh.h (SUBTARGET_OPTIONS): Remove.
7525 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7527 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7528 arguments with ^ and/or [].
7530 * config.gcc (sh-*-*): Add quoting to account for quirk of
7532 Replace == with = in enable_incomplete_targets test.
7534 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7535 with MASK_LITTLE_ENDIAN.
7537 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7538 * config/sh/sh.opt: Added to some comments.
7539 * config/sh/superh.h: Removed some chaff.
7541 * config/sh/sh.opt: Add m4-[1234]00* options.
7542 * config/sh/sh.c (sh_handle_option): Likewise.
7543 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7544 (ic_invalidate_array_4-100.o): New rule.
7545 ($(T)libic_invalidate_array_4-100.a): Likewise.
7546 (ic_invalidate_array_4-200.o): Likewise.
7547 ($(T)libic_invalidate_array_4-200.a): Likewise.
7548 (ic_invalidate_array_4a.o): Likewise.
7549 ($(T)libic_invalidate_array_4a.a): Likewise.
7550 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7551 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7553 * config/sh/crt1.asm: Merged in profiling code.
7554 * config/sh/superh.h (STARTFILE_SPEC): Override.
7555 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7556 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7557 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7559 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7560 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7561 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7563 * sh.opt (mpretend-cmove): New option.
7564 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7565 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7566 (movsicc): Add TARGET_PRETEND_CMOVE code.
7568 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7570 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7571 s390_class_max_nregs): New function prototypes.
7572 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7573 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7574 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7575 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7577 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7579 * dwarf2out.c (add_location_or_const_value_attribute): Call
7580 tree_add_const_value_attribute if nothing else works.
7581 (reference_to_unused): New.
7582 (rtl_for_decl_init): Use reference_to_unused to decide whether
7583 to output an initializer.
7585 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7588 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7589 peephole removing spe frob_di_df_2.
7591 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7593 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7594 (subscript_dependence_tester_1): Declared.
7595 (print_dir_vectors, print_dist_vectors): New.
7596 (debug_data_dependence_relation): New.
7597 (dump_data_dependence_relation): Print more details.
7598 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7599 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7600 (save_dist_v, save_dir_v, add_outer_distances,
7601 build_classic_dist_vector_1): New.
7602 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7603 Don't test for lambda_vector_lexico_pos.
7604 (same_access_functions, add_multivariate_self_dist,
7605 add_other_self_distances, dir_from_dist): New.
7606 (build_classic_dir_vector): Replace implementation almost identical to
7607 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7609 (subscript_dependence_tester_1): New.
7610 (subscript_dependence_tester): Handle the lexicographically negative
7611 distance vectors by recomputing the dependence relation.
7612 (compute_affine_dependence): Remove parameter loop_nest_depth.
7613 (compute_self_dependence): Don't call compute_subscript_distance.
7614 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7615 Add a parameter for the loop_nest.
7616 (find_loop_nest_1, find_loop_nest): New.
7617 (compute_data_dependences_for_loop): Compute the loop nest, and give
7618 up if the nest is not well formed.
7619 * tree-data-ref.h (loop_p): New.
7620 (struct data_dependence_relation): Replace size_vect field with
7621 loop_nest, a vec of loops.
7622 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7623 (DDR_LOOP_NEST): New.
7624 (print_dir_vectors, print_dist_vectors,
7625 debug_data_dependence_relation): Declared.
7626 (index_in_loop_nest): New.
7627 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7628 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7631 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7633 * simplify-rtx.c (simplify_relational_operation): Call
7634 simplify_relational_operation_1 even if mode is VOIDmode.
7636 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7638 PR tree-optimization/26804
7639 * tree.h (DECL_CALL_CLOBBERED): New macro.
7640 (tree_decl_common): Add call_clobbered_flag.
7641 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7642 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7643 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7644 (mark_non_addressable): Ditto.
7645 * tree-ssa.c (verify_call_clobbered): New function.
7646 (verify_alias_info): Use it.
7647 * tree-pass.h (pass_reset_cc_flags): New prototype.
7648 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7649 (reset_cc_flags): New function.
7650 * passes.c (init_optimization_passes): Call reset_cc_flags after
7651 initializing referenced_vars.
7653 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7654 Roger Sayle <roger@eyesopen.com>
7657 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7658 to 1.0 for non-real operands. Implement A / A optimization for
7661 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7663 * config/i386/i386.c (size_cost): Correct the comment for
7664 cost of storing fp registers.
7665 (i386_cost): Likewise.
7666 (i486_cost): Likewise.
7667 (pentium_cost): Likewise.
7668 (pentiumpro_cost): Likewise.
7669 (k6_cost): Likewise.
7670 (athlon_cost): Likewise.
7671 (k8_cost): Likewise.
7672 (pentium4_cost): Likewise.
7673 (nocona_cost): Likewise.
7674 (generic64_cost): Likewise.
7675 (generic32_cost): Likewise.
7677 2006-03-24 Denis Chertykov <denisc@overta.ru>
7679 * config/avr/avr-protos.h (extra_constraint): Delete.
7680 (extra_constraint_Q): New declaration.
7681 * config/avr/constraints.md: New file.
7682 * config/avr/avr.md: Include it.
7683 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7684 (TMP_REGNO, ZERO_REGNO): Likewise.
7685 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7686 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7687 (extra_constraint): Delete.
7688 (extra_constraint_Q): Test for memory constraint 'Q'.
7689 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7690 (REG_CLASS_FROM_LETTER): Delete.
7691 (CONST_OK_FOR_LETTER_P): Delete.
7692 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7693 (EXTRA_CONSTRAINT): Delete.
7694 (TMP_REGNO): Delete.
7695 (ZERO_REGNO): Delete.
7697 2006-03-24 Jeff Law <law@redhat.com>
7699 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7700 directly. Call mark_new_vars_to_rename slightly earlier.
7702 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7704 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7706 (gen_compile_unit_die): Use new language types for Objective-C and
7708 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7709 DW_LANG_C_plus_plus.
7712 * config/t-darwin (crt3.o): Work around bug 26840.
7713 * config/darwin-crt3.c: Rewrite.
7714 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7716 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7718 * doc/invoke.texi: Document -femit-class-debug-always
7719 * common.opt: Add -femit-class-debug-always.
7721 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7723 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7724 index and base register.
7725 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7726 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7727 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7728 REGNO_OK_FOR_INDEX_P.
7729 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7731 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7732 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7733 REG_OK_FOR_BASE_P): Definitions removed.
7735 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7738 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7739 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7740 set yet or weren't marked as local yet.
7742 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7744 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7747 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7749 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7750 (rs6000_legitimate_small_data_p): Delete.
7751 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7752 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7753 and make static. Add forward declaration. Update uses.
7754 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7755 of offsettable_memref_p.
7756 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7757 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7759 2006-03-24 Jeff Law <law@redhat.com>
7761 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7762 around bug in immediate-use iterator.
7764 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7767 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7768 or __LITTLE_ENDIAN__.
7770 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7772 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7773 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7774 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7775 * config/sh/sh.opt (mdiv=): Amend description.
7776 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7777 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7778 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7779 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7780 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7781 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7782 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7783 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7784 TARGET_DIVIDE_CALL_FP.
7786 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7788 * haifa-sched.c (choose_ready): Fix type of the local variable.
7789 Move local variables. Add comment.
7790 (check_reg_live): Change signature. Make callable from debugger.
7791 * sched-int.h (check_reg_live): Update signature.
7792 * sched-ebb.c (check_reg_live): Update parameters.
7793 * sched-rgn.c (check_reg_live): Ditto.
7794 (region_head_or_leaf_p): Check pointer before dereferencing.
7795 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7796 before reload on optimization levels below 1.
7798 2006-03-23 Richard Henderson <rth@redhat.com>
7800 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7804 * config/alpha/predicates.md (local_symbolic_operand): Reject
7807 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7810 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7811 expressions which have overflowed constants.
7813 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7815 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7817 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7819 * cfgloopmanip.c (create_loop_notes): Removed.
7820 * final.c (final_scan_insn): Do not handle loop notes.
7821 * jump.c (squeeze_notes): Ditto.
7822 * cfglayout.c (skip_insns_after_block,
7823 duplicate_insn_chain): Ditto.
7824 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7826 * cfgloop.h (create_loop_notes): Declaration removed.
7828 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7830 * varasm.c (output_constant_pool): Restore fnname and fndecl
7832 (assemble_start_function): Adjust call accordingly.
7833 (assemble_end_function): Likewise.
7835 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7838 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7841 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7843 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7846 * system.h (ICE_EXIT_CODE): New macro.
7847 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7848 (diagnostic_action_after_output): Likewise.
7849 * gcc.c (fatal_ice): New function.
7850 (execute): Use it instead of fatal.
7851 (fancy_abort): Likewise.
7852 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7854 2006-03-22 Jeff Law <law@redhat.com>
7856 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7857 iv_analyze_result returning false.
7859 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7861 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7863 2006-03-22 Richard Henderson <rth@redhat.com>
7866 * except.c (duplicate_eh_regions_0): New.
7867 (duplicate_eh_region_1): Duplicate the children of the node as
7868 well as the node itself. Link them up properly.
7869 (duplicate_eh_region_2): Merge into ...
7870 (duplicate_eh_regions): ... here. Take copy_region argument, and
7871 copy only a sub-tree if asked. Simplify copying and fixup.
7872 (eh_region_outer_p): New.
7873 * except.h (duplicate_eh_regions): Update decl.
7874 (eh_region_outer_p): Declare.
7875 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7876 (lower_omp_master): Likewise.
7877 (lower_omp_ordered): Likewise.
7878 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7879 (move_stmt_r): Use it to remap labels. Handle recursion vs
7880 remap_decls_p properly.
7881 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7882 (find_outermost_region_in_block): New.
7883 (new_label_mapper): New.
7884 (move_sese_region_to_fn): Copy eh information to the new function
7886 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7888 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7891 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7893 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7894 into shared libraries.
7896 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7898 * doc/md.texi: Refer to i386/constraints.md instead of
7900 * config/i386/constraints.md: New file, extracted from...
7901 * config/i386/predicates.md: ...here.
7902 * config/i386/i386.md: Include constraints.md.
7904 2006-03-21 Jason Merrill <jason@redhat.com>
7906 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7909 * expr.c (init_block_move_fn): Force default visibility.
7910 (init_block_clear_fn): Likewise.
7911 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7912 * targhooks.c (default_external_stack_protect_fail): Likewise.
7914 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7916 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7917 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7918 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7919 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7920 (loadgp): Use mips_current_loadgp_style.
7921 (loadgp_noshared): New pattern.
7922 (sibcall_internal): Use MIPS_CALL.
7923 (sibcall_value_internal): Likewise.
7924 (sibcall_value_multiple_internal): Likewise.
7925 (call_internal): Likewise.
7926 (call_value_internal): Likewise.
7927 (call_value_multiple_internal): Likewise.
7928 (call_split): Use MIPS_CALL and add an 'S' constraint.
7929 (call_value_split): Likewise.
7930 (call_value_multiple_split): Likewise.
7931 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7932 (-mshared): New option.
7933 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7934 (mips_current_loadgp_style): Declare.
7935 * config/mips/mips.c (mips_classify_symbol): Avoid using
7936 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7937 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7938 TARGET_ABSOLUTE_ABICALLS.
7939 (override_options): Adjust comments. Improve the warning that is
7940 issued when -mabicalls and -G are used together.
7941 (mips_file_start): Remove comment.
7942 (mips_current_loadgp_style): New function.
7943 (mips_gnu_local_gp): New variable.
7944 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7946 (mips_output_function_prologue): Use mips_current_laodgp_style.
7947 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7948 the cprestore instruction.
7949 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7950 live for TARGET_ABSOLUTE_ABICALLS.
7951 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7952 (ASM_SPEC): Pass down -mshared and -mno-shared.
7953 (MIPS_CALL): New macro.
7954 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7956 * doc/invoke.texi (-mabicalls): Update documentation.
7957 (-mshared): Document.
7959 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7961 * config/ia64/unwind-hpux.c: New file.
7962 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7964 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7967 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7969 2006-03-21 Jeff Law <law@redhat.com>
7971 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7972 type conversions of a VR_VARYING source to a wider type.
7974 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7976 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7977 tm_file on Solaris 10 and later.
7978 (sparc64-*-solaris2*): Likewise.
7979 (sparc-*-solaris2*): Likewise.
7980 * config/sol26.h: Rename to config/sol2-6.h.
7981 * config/sol2-10.h: New file.
7983 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7986 * tree-ssa-pre.c (create_component_ref_by_pieces):
7989 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7992 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7993 return it immediately.
7995 2006-03-21 Michael Matz <matz@suse.de>
7997 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7999 (remove_arc, add_arc): Update num_out_arcs member.
8000 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8002 (cache_presence): New function.
8003 (compare_states_for_equiv): New function.
8004 (state_is_differed): Don't take number of outargs, adjust callers.
8005 Use new invariant for speeding up.
8006 (init_equiv_class): Create initial classes based on sorted
8008 (partition_equiv_class): Don't track out_arcs_num.
8009 (evaluate_equiv_classes): Call cache_presence on all states and
8012 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8014 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8015 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8016 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8017 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8019 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8020 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8021 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8022 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8023 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8025 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8026 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8027 (REGNO_REG_CLASS): ARGP is in PREGS.
8028 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8030 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8031 to deal with those addresses.
8032 * addresses.h: New file.
8033 * caller-save.c: Include "addresses.h".
8034 (init_caller_save): Use new base_reg_class function.
8035 * rtl-factoring.c: Include "addresses.h".
8036 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8037 * recog.c: Include "addresses.h".
8038 (preprocess_constraints): Use new base_reg_class function.
8039 * regrename.c: Include "addresses.h".
8040 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8041 functions. Keep track of a new var INDEX_CODE to compute valid
8043 (replace_oldest_value_addr): Likewise.
8044 (replace_oldest_value_mem): Use base_reg_class.
8045 * reload.c: Include "addresses.h".
8046 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8047 (find_reloads): Use new base_reg_class function.
8048 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8049 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8050 all callers and prototype changed.
8051 * reload1.c: Include "addresses.h".
8052 (maybe_fix_stack_asms): Use base_reg_class.
8053 * regclass.c: Include "addresses.h".
8054 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8055 (init_reg_autoinc): Use new base_reg_class function.
8056 (record_reg_classes): Likewise.
8057 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8058 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8059 Use new args to compute necessary class.
8061 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8062 regrename.o, rtl-factoring.o): Update dependencies.
8063 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8064 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8065 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8066 REG_OK_FOR_INDEX_P): Delete documentation.
8068 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8070 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8071 from V7 to V9 for Solaris 7 and above.
8073 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8075 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8076 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8077 argument pointers may not alias any other storage.
8078 * common.opt: Define option -fargument-noalias-anything.
8079 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8080 alias semantics is specified by flag_argument_noalias > 2.
8082 2006-03-20 Jeff Law <law@redhat.com>
8084 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8085 (pass_phi_only_cprop): Declare.
8086 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8088 * tree-ssa-dom.c (degenerate_phi_result): New function.
8089 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8090 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8091 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8092 (eliminate_degenerate_phis): Likewise.
8093 (pass_phi_only_cprop): New pass descriptor.
8094 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8095 support code. Callers updated.
8096 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8097 (store_copy_prop): Likewise.
8098 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8100 2006-03-20 Jason Merrill <jason@redhat.com>
8103 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8104 (push_visibility, pop_visibility): Likewise.
8105 * c-pragma.h: Declare them.
8107 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8109 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8111 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8112 parameter and use get_ebb_head_tail.
8113 (sh_md_init_global): Adjust uses of find_regmode_weight.
8115 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8117 * function.h (struct function) <x_tail_recursion_reentry>:
8118 Rename to x_stack_check_probe_note.
8119 (tail_recursion_reentry): Rename to stack_check_probe_note.
8120 * function.c: Replace tail_recursion_reentry with
8121 stack_check_probe_note everywhere.
8122 (expand_function_start): Only emit a note for
8123 stack_check_probe_note with -fstack-protect.
8124 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8126 * emit-rtl.c (remove_unnecessary_notes): Remove.
8127 (pass_remove_unnecessary_notes): Remove.
8128 * rtl.h (remove_unnecessary_notes): Remove prototype.
8129 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8130 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8131 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8133 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8136 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8137 (valid_in_set): Handle ARRAY_REF.
8138 Change "if min_variant or VH" to asserts.
8139 (create_component_ref_by_pieces): Handle ARRAY_REF.
8140 (create_expression_by_pieces): Likewise.
8141 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8143 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8145 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8146 is operand of switch, not str[0].
8148 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8150 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8151 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8153 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8155 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8156 end of insn_extra_address_constraint declaration.
8158 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8160 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8161 (no-sum-in-toc): Same.
8162 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8164 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8165 NO_FP_IN_TOC for -fPIC instead of mask.
8167 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8168 (BOOT_LDFLAGS): Delete.
8170 * config/rs6000/t-aix52: Same.
8172 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8173 (stmsi[345678]_power): New.
8175 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8177 * config/ia64/ia64.opt: Add empty line to end of file.
8179 2006-03-17 Richard Guenther <rguenther@suse.de>
8182 * builtins.c (get_pointer_alignment): For component style references
8183 adjust alignment to the component type alignment. Make sure
8184 to adjust alignment for component access of constants.
8186 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8188 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8191 2006-03-17 Paul Brook <paul@codesourcery.com>
8193 * doc/install.texi: Docuemnt --with-mode.
8194 * config.gcc: Add --with-mode for arm*-*-*.
8195 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8197 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8199 * sh.c (max_labelno_before_reorg): New variable.
8200 (sh_reorg): Initialize it.
8201 (find_barrier): Check max_labelno_before_reorg before using
8202 label_to_alignment. Take length of explicit alignment insns
8203 into account. When seeing a UNSPECV_CONST_END, return it.
8205 * sh.c (fixup_mova): Set mode of affected label to QImode.
8206 (untangle_mova): New function.
8207 (find_barrier): Use it. Check mode of label before decrementing
8209 (sh_reorg): Likewise.
8210 Set mode of all insns back to VOIDmode.
8212 * sh.c (MOVA_LABELREF): New macro.
8213 (mova_p, fixup_mova, sh_reorg): Use it.
8214 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8215 ADDR_DIFF_VEC matches mova.
8217 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8219 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8220 with ATTRIBUTE_UNUSED.
8222 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8224 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8225 pointer, instead of assuming it is possible to derive the
8226 correct args size from a call insn.
8228 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8230 * rtl.h (CONST_INT_P): Define.
8231 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8232 instead of GET_CODE(x) == CONST_INT.
8233 (vax_rtx_costs): Likewise.
8234 (vax_output_int_move): Likewise.
8235 (vax_output_int_add): Likewise.
8236 (legitimate_constant_address_p): Likewise.
8237 (index_term_p): Likewise.
8238 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8239 * config/vax/vax.md (and<mode>3): Likewise.
8240 (ashrsi3): Likewise.
8242 (movstricthi): Likewise.
8243 (movstrictqi): Likewise.
8244 (rotrsi3): Likewise.
8245 (five unnamed insns): Likewise.
8247 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8249 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8250 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8251 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8252 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8253 Pass to ASM_OUTPUT_DWARF_OFFSET.
8254 * dwarf2out.c (debug_frame_section): New.
8255 (output_call_frame_info): Use debug_frame_section. Pass it to
8256 dw2_asm_output_offset.
8257 (output_die): Pass appropriate section to dw2_asm_output_offset.
8258 (output_compilation_unit_header): Likewise.
8259 (output_pubnames): Likewise.
8260 (output_aranges): Likewise.
8261 (enum dw_val_class): Break dw_val_class_lbl_offset into
8262 dw_val_class_lineptr and dw_val_class_macptr.
8263 (add_AT_lbl_offset): Delete.
8264 (add_AT_lineptr): New.
8265 (add_AT_macptr): New.
8266 (AT_lbl): Expect a lineptr or macptr.
8267 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8268 (attr_checksum): Likewise.
8269 (same_dw_val_p): Likewise.
8270 (size_of_die): Likewise.
8271 (value_format): Likewise.
8272 (output_die): Likewise.
8273 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8275 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8276 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8277 * config/darwin-protos.h (darwin_file_start): New.
8278 (darwin_asm_output_dwarf_offset): New.
8279 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8280 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8282 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8283 if not EH section; simplify.
8284 (darwin_file_start): New.
8285 (darwin_asm_output_dwarf_offset): New.
8286 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8288 (DEBUG_INFO_SECTION): Likewise.
8289 (DEBUG_ABBREV_SECTION): Likewise.
8290 (DEBUG_ARANGES_SECTION): Likewise.
8291 (DEBUG_MACINFO_SECTION): Likewise.
8292 (DEBUG_LINE_SECTION): Likewise.
8293 (DEBUG_LOC_SECTION): Likewise.
8294 (DEBUG_PUBNAMES_SECTION): Likewise.
8295 (DEBUG_STR_SECTION): Likewise.
8296 (DEBUG_RANGES_SECTION): Likewise.
8297 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8298 (ASM_OUTPUT_DWARF_OFFSET): New.
8300 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8302 * config.gcc (tm_defines): Always add to previous value rather
8305 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8307 * config/mips/predicates.md (splittable_const_int_operand): New,
8308 split from move_operand.
8309 (splittable_symbolic_operand): New.
8310 (move_operand): Add commentary. Use splittable_const_int_operand.
8311 Inline mips_atomic_symbolic_constant_p.
8312 * config/mips/mips.md: Add combine splitters for handling moves
8313 of splittable_const_int_operands and splittable_symbolic_operands.
8314 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8315 (mips_split_symbol): Declare.
8316 (mips_move_integer): Declare.
8317 * config/mips/mips.c (mips_split_p): Make global.
8318 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8319 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8320 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8321 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8322 (mips_offset_within_object_p): Handle block symbols.
8323 (mips_atomic_symbolic_constant_p): Delete.
8324 (mips_cannot_force_const_mem): Return false for constants that
8325 mips_legitimize_move can handle.
8326 (mips_use_blocks_for_constant_p): New function.
8327 (mips_split_symbol): Make global.
8328 (mips_move_integer): Likewise. Add a temporary register argument.
8329 (mips_legitimize_const_move): Use splittable_const_int_operand and
8330 splittable_symbolic_operand.
8331 (mips_use_anchors_for_symbol_p): New function.
8332 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8333 (mips_split_p): Declare.
8335 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8337 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8338 (mips*-*-linux*): Likewise.
8340 2006-03-16 Roger Sayle <roger@eyesopen.com>
8341 Daniel Speyer <dspeyer@wam.umd.edu>
8344 * tree-dump.c (dump_real): New function.
8345 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8346 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8347 (tree-dump.o): Add $(REAL_H) to the dependencies.
8349 2006-03-16 Roger Sayle <roger@eyesopen.com>
8352 * real.c (real_from_string): If the mantissa is zero, don't bother
8353 parsing the exponent as the result should always be zero.
8355 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8357 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8359 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8361 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8362 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8363 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8364 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8365 ia64_sched_finish_global): New static functions to implement
8366 hooks from gcc_target.sched.
8367 (spec_check_no, max_uid, pending_data_specs): New static variables.
8368 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8369 ia64_spec_check_src_p): New static functions.
8370 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8371 (TARGET_SCHED_ADJUST_COST): Removed.
8372 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8373 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8374 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8375 TARGET_SCHED_GEN_CHECK,
8376 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8377 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8378 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8379 Fixed to handle speculation checks.
8380 (rtx_needs_barrier): Fixed to handle speculative loads and
8382 (ia64_variable_issue): Added code to count speculative loads and their
8384 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8386 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8388 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8390 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8391 (ia64_reorg): Reset stops_p to NULL after it is freed.
8392 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8393 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8394 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8396 (data_speculative, control_speculative, check_load): New attributes.
8397 (mov<mode>_advanced, mov<mode>_speculative,
8398 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8399 zero_extend<mode>di2_speculative,
8400 zero_extend<mode>di2_speculative_advanced): New patterns for
8401 data and control speculative loads.
8402 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8404 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8405 New pattern for data and control speculation checks.
8406 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8407 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8408 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8409 Auxiliary definitions for the patterns.
8410 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8411 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8413 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8415 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8416 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8417 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8418 New resource constraints.
8419 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8421 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8422 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8423 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8424 msched-in-control-spec, msched-ldc, msched-control-ldc,
8425 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8426 msched-prefer-non-control-spec-insns,
8427 msched-count-spec-in-critical-path): New flags to tune speculative
8429 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8430 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8431 msched-in-control-spec, msched-ldc, msched-control-ldc,
8432 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8433 msched-prefer-non-control-spec-insns,
8434 msched-count-spec-in-critical-path): Document new flags.
8436 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8438 * target.h (struct spec_info_def): New opaque declaration.
8439 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8440 speculate_insn, needs_block_p, gen_check,
8441 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8442 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8443 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8444 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8445 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8446 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8448 (TARGET_SCHED): Use new macros.
8449 * rtl.h (copy_DEPS_LIST_list): New prototype.
8450 * sched-int.h (struct sched_info): Change signature of new_ready field,
8451 adjust all initializations. New fields: add_remove_insn,
8452 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8453 region_head_or_leaf_p.
8454 (struct spec_info_def): New structure declaration.
8455 (spec_info_t): New typedef.
8456 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8457 recovery_block, orig_pat.
8458 (glat_start, glat_end): New variables declaraions.
8459 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8461 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8462 DETACH_LIFE_INFO, USE_GLAT.
8463 (enum SPEC_SCHED_FLAGS): New enumeration.
8464 (NOTE_NOTE_BB_P): New macro.
8465 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8466 attach_life_info, debug_spec_status, check_reg_live): New functions.
8467 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8468 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8470 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8471 * ddg.c (get_block_head_tail): Adjust all uses.
8472 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8473 (sms_sched_info): Initialize new fields.
8474 (contributes_to_priority): Removed.
8475 * haifa-sched.c (params.h): New include.
8476 (get_block_head_tail): Adjust all uses.
8477 (ISSUE_POINTS): New macro.
8478 (glat_start, glat_end): New global variables.
8479 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8480 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8481 old_last_basic_block, before_recovery, current_sched_info_var,
8482 rgn_n_insns, luid): New static variables.
8483 (insn_cost1): New function. Move logic from insn_cost to here.
8484 (find_insn_reg_weight1): New function. Move logic from
8485 find_insn_reg_weight to here.
8486 (reemit_notes, move_insn, max_issue): Change signature.
8487 (move_insn1): Removed.
8488 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8489 extend_bb): New static functions to support extension of scheduler's
8491 (generate_recovery_code, process_insn_depend_be_in_spec,
8492 begin_speculative_block, add_to_speculative_block,
8493 init_before_recovery, create_recovery_block, create_check_block_twin,
8494 fix_recovery_deps): New static functions to support
8495 generation of recovery code.
8496 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8497 restore_bb_notes, move_block_after_check, move_succs): New static
8498 functions to support ebb scheduling.
8499 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8500 functions to support handling of register live information.
8501 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8502 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8503 add_jump_dependencies): New static functions.
8504 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8505 consistancy checking.
8506 (debug_spec_status): New function to call from debugger.
8507 (priority): Added code to handle speculation checks.
8508 (rank_for_schedule): Added code to distinguish speculative instructions.
8509 (schedule_insn): Added code to handle speculation checks.
8510 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8511 Fixed to handle ebbs.
8512 (move_insn): Added code to handle ebb scheduling.
8513 (max_issue): Added code to use ISSUE_POINTS of instructions.
8514 (choose_ready): Added code to choose between speculative and
8515 non-speculative instructions.
8516 (schedule_block): Added code to handle ebb scheduling and scheduling of
8517 speculative instructions.
8518 (sched_init): Initialize new variables.
8519 (sched_finish): Free new variables. Print statistics.
8520 (try_ready): Added code to handle speculative instructions.
8521 * lists.c (copy_DEPS_LIST_list): New function.
8522 * sched-deps.c (extend_dependency_caches): New function. Move logic
8523 from create_dependency_caches to here.
8524 (get_dep_weak, ds_merge): Make global.
8525 * genattr.c (main): Code to output prototype for
8526 dfa_clear_single_insn_cache.
8527 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8528 (output_dfa_clean_insn_cache_func): Code to output
8529 dfa_clear_single_insn_cache function.
8530 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8532 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8534 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8535 New static variables.
8536 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8537 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8539 (ebb_sched_info): Initialize new fields.
8540 (get_block_head_tail): Adjust all uses.
8541 (compute_jump_reg_dependencies): Fixed to use glat_start.
8542 (schedule_ebb): Code to remove unreachable last block.
8543 (schedule_ebbs): Added code to update register live information.
8544 * sched-rgn.c (region_sched_info): Initialize new fields.
8545 (get_block_head_tail): Adjust all uses.
8546 (last_was_jump): Removed. Adjust users.
8547 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8548 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8549 Implement new hooks.
8550 (check_dead_notes1): New static function.
8551 (struct region): New fields: dont_calc_deps, has_real_ebb.
8552 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8553 (BB_TO_BLOCK): Fixed to handle EBBs.
8554 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8555 (ebb_head): New static variable.
8556 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8557 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8559 (compute_dom_prob_ps): New assertion.
8560 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8561 global_live_at_start.
8562 (init_ready_list): New assertions.
8563 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8564 (new_ready): Add support for BEGIN_CONTROL speculation.
8565 (schedule_insns): Fixed code that updates register live information
8567 (schedule_region): Fixed to handle EBBs.
8568 (init_regions): Use extend_regions and check_dead_notes1.
8569 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8570 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8571 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8572 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8573 TARGET_SCHED_GEN_CHECK,
8574 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8575 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8576 * doc/invoke.texi (max-sched-insn-conflict-delay,
8577 sched-spec-prob-cutoff): Document.
8579 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8581 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8582 inter_tick, queue_index.
8583 (struct sched_info): Change signature of init_ready_list field.
8584 Adjust all initializations.
8585 (RESOLVED_DEPS): New access macro.
8586 (ready_add): Remove prototype.
8587 (try_ready): Add prototype.
8588 * sched-rgn.c (init_ready_list): Use try_ready.
8589 (schedule_region): Initialize
8590 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8591 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8592 (init_ready_list): Use try_ready.
8593 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8594 * lists.c (remove_list_elem): Remove `static'.
8595 (remove_free_INSN_LIST_elem): New function.
8596 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8597 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8598 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8600 (readyp): New variable.
8601 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8602 change_queue_index, resolve_dep): New static functions.
8603 (try_ready): New function. Adjust callers in sched-rgn.c and
8604 sched-ebb.c to use it instead of ready_add.
8605 (clock_var): Move at the begining of file.
8606 (rank_for_schedule): Fix typo.
8607 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8608 (ready_lastpos): Enforce assertion.
8609 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8611 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8612 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8613 (queue_to_ready): Use free_INSN_LIST_list.
8614 (early_queue_to_ready): Fix typo.
8615 (schedule_block): Init readyp. Move init_ready_list call after the
8616 initialization of clock_var. Fix error in rejecting insn by
8617 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8618 that previously corrected INSN_TICKs. Add code for handling
8620 (set_priorities): Fix typo.
8621 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8622 Clarify comment and code that keeps current_sched_info->next_tail
8625 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8627 * sched-rgn.c (extend_rgns): New static function.
8628 (find_rgns): Use it.
8629 (gather_region_statistics, print_region_statistics): New static
8631 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8632 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8635 Andrey Belevantsev <abel@ispras.ru>
8637 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8638 * lists.c (unused_deps_list): New variable.
8639 (free_list): Add assertions to verify the proper distinguishing
8640 between INSN_LISTs and DEPS_LISTs.
8641 (find_list_elem, remove_list_elem, remove_list_node): New static
8643 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8644 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8645 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8646 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8648 (free_INSN_LIST_node): Likewise.
8649 * modulo-sched.c (current_sched_info): Initialize flags field.
8650 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8651 * rtl.def (DEPS_LIST): Define.
8652 * rtl.h: Declare new functions from lists.c.
8653 * sched-deps.c (spec_dependency_cache): New static variable.
8654 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8655 (add_dependence): Change return type to void. Move the logic to ...
8656 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8657 (delete_all_dependences): Add comment about forward_dependency_cache.
8658 Handle spec_dependency_cache. Handle DEPS_LISTs.
8659 (fixup_sched_groups): Clarify the change of priority of output
8660 and anti dependencies.
8661 (sched_analyze_2): Adjust add_dependence calls to create data
8662 speculative dependence.
8663 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8664 Adjust all callers. Handle DEPS_LISTS.
8665 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8666 presence of speculation.
8667 (init_dependency_caches, free_dependency_caches):
8668 Handle spec_dependency_cache.
8669 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8670 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8671 New static functions.
8672 (add_or_update_back_dep, add_or_update_back_forw_dep,
8673 add_back_forw_dep, delete_back_forw_dep): New functions.
8674 * sched-int.h (ds_t, dw_t): New typedefs.
8675 (struct sched_info): Add new field flags.
8676 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8677 Prototype new sched-deps.c functions.
8678 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8679 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8680 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8681 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8682 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8683 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8685 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8687 * sched-rgn.c (current_sched_info): Initialize flags field.
8688 (schedule_insns): Initialize current_sched_info before the sched_init
8690 * sched-ebb.c (current_sched_info): Initialize flags field.
8691 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8692 Call add_or_update_back_dep instead of add_dependence.
8693 Create control speculative dependencies.
8694 (schedule_insns): Initialize current_sched_info before the sched_init
8697 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8699 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8701 (sh_fallback_frame_state): Likewise.
8703 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8705 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8706 Do switch on default_use_cxa_atexit.
8707 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8708 * config/darwin-crt3.o: New.
8709 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8710 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8711 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8713 * config/rs6000/t-darwin: Move crt2.o building to here.
8714 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8715 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8718 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8720 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8721 from '! xxx' to '!xxx' for coding-style conformance.
8722 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8723 (EXTRA_CONSTRAINT): Likewise.
8724 * config/vax/vax.md (four unnamed insns): Likewise.
8726 2006-03-15 Paul Brook <paul@codesourcery.com>
8728 * config/arm/arm.c (minipool_pad): New.
8729 (add_minipool_forward_ref): Include pool alignment padding in address
8731 (push_minipool_fix): Set minipool_pad.
8732 (minipool_pad): Ditto.
8734 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8736 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8737 instead of GET_CODE() == MEM and REG_P() instead of
8739 (print_operand_address): Likewise.
8740 (vax_address_cost): Likewise.
8741 (vax_rtx_costs): Likewise.
8742 (vax_notice_update_cc): Likewise.
8743 (vax_output_int_add): Likewise.
8744 (INDEX_REGISTER_P): Likewise.
8745 (BASE_REGISTER_P): Likewise.
8746 (nonindexed_address_p): Likewise.
8747 (vax_mode_dependent_address_p): Likewise.
8748 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8749 (PRINT_OPERAND): Likewise.
8750 * config/vax/vax.md (ashlsi3): Likewise.
8751 (ashlsi3): Likewise.
8752 (some more unnamed insns): Likewise.
8754 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8756 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8757 iterator-style macro.
8758 (mark_control_dependent_edges_necessary): Update the use of
8759 EXECUTE_IF_CONTROL_DEPENDENT.
8761 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8763 * config/sh/predicates.md (cache_address_operand): Special.
8764 (ua_address_operand): Likewise.
8766 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8768 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8770 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8772 2006-03-15 Andreas Schwab <schwab@suse.de>
8774 * gensupport.c (identify_predicable_attribute): Don't free p_false
8775 when it is still in use.
8777 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8779 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8780 the default setting here.
8782 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8784 * tree-pass.h (pass_cfg): Remove.
8785 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8786 * passes.c (pass_cfg): Don't run it.
8788 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8790 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8791 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8793 (stack_regs_mentioned): Update the uses of
8794 stack_regs_mentioned_data. Don't access the array beyond its
8796 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8797 Don't include gt-reg-stack.h.
8799 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8800 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8802 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8805 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8808 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8810 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8812 2006-03-14 Richard Guenther <rguenther@suse.de>
8814 PR tree-optimization/26672
8815 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8818 2006-03-14 Richard Guenther <rguenther@suse.de>
8820 PR tree-optimization/26667
8821 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8822 node for the callees. Always allow inlining if it will shrink
8825 2006-03-14 Richard Guenther <rguenther@suse.de>
8828 * builtins.c (get_pointer_alignment): Prefer alignment
8829 information from decls over that from types.
8831 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8834 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8836 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8838 * config/rs6000/rs6000.opt (mdlmzb): New option.
8839 (msched-prolog, msched-epilog): Use Var not Mask.
8840 * doc/invoke.texi (-mdlmzb): Document.
8841 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8843 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8844 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8846 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8848 PR rtl-optimization/25739
8849 * bt-load.c (augment_live_range): Free tos pointer.
8851 * gensupport.c (identify_predicable_attribute): Free
8853 * gcov.c (create_file_names): Free name pointer.
8855 2006-03-13 Roger Sayle <roger@eyesopen.com>
8858 * stmt.c (emit_case_nodes): Handle the case where the index is a
8859 CONST_INT, where the comparison mode is specified by the index type.
8861 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8863 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8866 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8868 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8869 (*branch_fp_inverted): Likewise.
8871 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8874 * omp-low.c (expand_omp_for_generic): Mark istart0
8875 and iend0 as addressable.
8877 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8879 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8881 2006-03-13 Jeff Law <law@redhat.com>
8883 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8884 virtual operands are interesting.
8885 (vrp_visit_stmt): Corresponding changes.
8887 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8889 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8891 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8892 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8893 * config/bfin/crti.S: Use it instead of __PIC__.
8894 * config/bfin/crtn.S: Likewise.
8896 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8897 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8899 Lose 'G' modifier for call operand.
8900 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8901 recognize 'G' modifier.
8903 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8906 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8907 * stmt.c (expand_case): Likewise.
8909 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8911 PR rtl-optimization/26254
8912 * loop-invariant.c (seq_insns_valid_p): New function.
8913 (move_invariant_reg): Only emit new code if it is valid.
8915 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8917 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8919 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8920 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8921 (commit_one_edge_insertion): Do not look for loop notes.
8923 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8925 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8926 flag_test_coverage out of loop.
8928 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8930 * final.c (shorten_branches): Remove outdated comment, and turn
8931 the if branch that guards it to continue.
8933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8935 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8936 * cfgloop.h (struct loop): Remove unused fields.
8938 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8940 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8941 (-dL, -fdump-rtl-loop2): Update the dump file names
8943 * doc/invoke.texi: Update dump file names.
8945 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8947 * predict.c (estimate_probability): Remove.
8948 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8949 * basic-block.h (estimate_probability): Remove prototype.
8950 * passes.c (finish_optimization_passes): Dump branch prediction or
8951 profiling heuristics to the .profile tree dump.
8952 (init_optimization_passes): Unqueue pass_branch_prob.
8954 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8956 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8958 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8959 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8961 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8963 * function.h (frame_offset_overflow): Declare.
8964 * function.c (frame_offset_overflow): New function.
8965 (assign_stack_local_1): Call it to detect that the offset overflows.
8966 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8968 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8970 * config/sh/sh.c: Include alloc-pool.h.
8971 (label_ref_list_pool): New alloc pool.
8972 (label_ref_list_t): New type for lists of labels.
8973 (struct pool_node): Make wend a label_ref_list_t.
8974 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8976 (dump_table): Likewise.
8977 (sh_reorg): Set up the alloc pool before using add_constant and
8978 dump_table, and destroy it when finishing.
8980 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8982 * config/mips/mips.c: Remove redundant comment.
8984 2006-03-10 Jason Merrill <jason@redhat.com>
8987 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8988 the target was declared 'register'.
8990 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8992 * genpreds.c (write_insn_constraint_len): Change definition of
8993 insn_constraint_len to return size_t to match the declaration.
8995 2006-03-10 DJ Delorie <dj@redhat.com>
8997 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8999 (m32c_expand_insv): Fix test for an AND mask.
9001 2006-03-10 Richard Guenther <rguenther@suse.de>
9004 * builtins.c (get_pointer_alignment): Handle component
9005 references for field alignment.
9007 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9009 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9010 when building with libgloss.
9011 (sh*elf): Implement --without-fp option.
9012 (sh64-superh-linux*): Don't multilib.
9014 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9016 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9018 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9020 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9021 Set it when one of the replacement functions returned true.
9022 Return TODO_cleanup_cfg if cfgchanged is true.
9023 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9025 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9027 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9028 instead of gen_lowpart.
9030 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9032 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9034 (mips_output_order_conditional_branch): Declare.
9035 * config/mips/mips.h (MIPS_BRANCH): New macro.
9036 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9037 for the comparison. Use gen_condjump.
9038 (mips_output_conditional_branch): Rework interface to take the
9039 asm templates for a direct branch and the inverse of a direct branch.
9040 (mips_output_order_conditional_branch): New function.
9041 (mips_builtin_branch_and_move): New function.
9042 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9043 branch condition. Use gen_single_cc as the condition for
9044 __builtin_mips_upper_* or __builtin_mips_lower_*.
9045 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9046 Use VOIDmode for the branch condition.
9047 * config/mips/predicates.md (order_operator): New predicate.
9048 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9049 (branch_fp): Rename to...
9050 (*branch_fp): ...this. Remove mode from comparison operator.
9051 Use new mips_output_conditional_branch interface.
9052 (branch_fp_inverted): Rename to...
9053 (*branch_fp_inverted): ...this and update as for *branch_fp.
9054 (*branch_zero<mode>): Rename to...
9055 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9056 Use mips_output_order_conditional_branch. Only accept ordered
9058 (*branch_zero<mode>_inverted): Rename to...
9059 (*branch_order<mode>_inverted): ...this and update as for
9060 *branch_order<mode>.
9061 (*branch_equality<mode>): Accept zero as the second operand to
9062 the equality operator. Use the new mips_output_conditional_branch
9064 (*branch_equality<mode>_inverted): Likewise.
9065 (condjump): New expander.
9066 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9068 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9069 (bc1any2t, bc1any2f): Likewise.
9070 (single_cc): New expander.
9071 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9073 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9075 * doc/md.texi: Update documentation of MIPS constraints.
9076 * config/mips/constraints.md: New file.
9077 * config/mips/mips.md: Include it.
9078 * config/mips/mips.c (mips_char_to_class): Delete.
9079 (override_options): Don't initialize mips_char_to_class.
9080 * config/mips/mips.h (mips_char_to_class): Delete.
9081 (REG_CLASS_FROM_LETTER): Delete.
9082 (CONST_OK_FOR_LETTER_P): Delete.
9083 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9084 (EXTRA_CONSTRAINT_Y): Delete.
9085 (EXTRA_CONSTRAINT_STR): Delete.
9086 (CONSTRAINT_LEN): Delete.
9087 (EXTRA_MEMORY_CONSTRAINT): Delete.
9089 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9091 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9092 original fn's eh regions.
9094 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9096 * fold-const.c (build_range_check): Make sure to use a valid type to
9097 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9100 (range_predecessor): New static function.
9101 (range_successor): Likewise.
9102 (merge_ranges): Use them to compute predecessors and successors of
9105 2006-03-09 Roger Sayle <roger@eyesopen.com>
9108 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9109 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9111 2006-03-08 DJ Delorie <dj@redhat.com>
9113 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9114 (addpsi3): Expand to include memory operands. Remove
9115 reload-specific splits.
9116 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9117 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9118 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9119 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9120 (shift1_qi, shift1_hi, insv): New.
9121 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9122 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9123 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9125 * config/m32c/m32c-protos.h: Update as needed.
9126 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9127 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9128 Fail for unrecognized R* constraints.
9129 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9130 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9131 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9133 (m32c_init_libfuncs): New.
9134 (m32c_legitimate_address_p): Add debug wrapper.
9135 (m32c_rtx_costs): New.
9136 (m32c_address_cost): New.
9137 (conversions): Add 'B' prefix.
9138 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9139 operands, or word regnames for QI operands. 'B' prints bit
9141 (m32c_expand_setmemhi): New.
9142 (m32c_expand_movmemhi): New.
9143 (m32c_expand_movstr): New.
9144 (m32c_expand_cmpstr): New.
9145 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9146 (m32c_expand_neg_mulpsi3): Handle non-ints.
9147 (m32c_cmp_flg_0): New.
9148 (m32c_expand_movcc): New.
9149 (m32c_expand_insv): New.
9150 (m32c_scc_pattern): New.
9151 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9152 a0/a1 out of SIregs.
9153 (STORE_FLAG_VALUE): New.
9154 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9157 * config/m32c/mov.md: Make constraints more liberal.
9158 (zero_extendqihi2): Optimize r0/r1 case.
9159 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9160 * config/m32c/predicates.md (m32c_any_operand): New.
9161 (m32c_nonimmediate_operand): New.
9162 (m32c_hl_operand): New.
9163 (m32c_r3_operand): New.
9166 (memsym_operand): New.
9167 (memimmed_operand): New.
9168 (a_qi_operand): New.
9169 (m32c_eqne_operator): New.
9170 (m32c_1bit8_operand): New.
9171 (m32c_1bit16_operand): New.
9172 (m32c_1mask8_operand): New.
9173 (m32c_1mask16_operand): New.
9174 * config/m32c/blkmov.md: New file.
9175 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9177 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9179 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9180 unsigned to fix signed/unsigned comparison issue in
9181 DWARF2_FRAME_REG_OUT.
9182 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9183 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9185 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9186 of ptr into the ENABLE_CHECKING section.
9188 2006-03-08 Jeff Law <law@redhat.com>
9190 * tree-vrp.c (infer_value_range): Only count pointer uses
9191 and dereferences if -fdelete-null-pointer-checks is enabled.
9193 * tree-vrp.c (find_assert_locations): Infer value ranges for
9194 single use pointers, but do not create ASSERT_EXPRs for them.
9195 When a non-null range is inferred for a pointer, backwards
9196 propagate that range to other equivalent pointers through the
9199 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9202 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9203 language hook targets.
9204 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9205 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9206 if language hook targets were missing.
9208 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9210 * tree-ssa-opfinalize.h: Removed.
9211 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9213 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9214 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9215 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9216 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9217 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9218 finalize_ssa_v_must_def_ops): New.
9220 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9222 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9225 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9227 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9229 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9230 addresses with offsets; reorganize.
9232 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9233 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9234 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9236 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9239 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9241 2006-03-08 Ben Elliston <bje@au.ibm.com>
9243 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9245 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9248 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9251 2006-03-07 Richard Guenther <rguenther@suse.de>
9253 PR tree-optimization/26587
9254 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9256 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9258 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9260 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9262 * hooks.c (hook_bool_mode_rtx_true): New function.
9263 * hooks.h (hook_bool_mode_rtx_true): Declare.
9264 * toplev.c (compile_file): Call output_shared_constant_pool.
9265 * varasm.c (shared_constant_pool): New variable.
9266 (assemble_start_function, assemble_end_function): Remove arguments
9267 from call to output_constant_pool.
9268 (create_constant_pool): New function, split out from...
9269 (init_varasm_status): ...here.
9270 (force_const_mem): Choose between the shared and per-function constant
9271 pools. Set current_function_uses_const_pool when reusing old entries
9272 as well as when creating new ones.
9273 (mark_constant): Ignore data argument.
9274 (mark_constants): Remove pool argument.
9275 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9276 to decide whether the function uses a constant pool.
9277 (output_constant_pool_contents): New function, split out from...
9278 (output_constant_pool): ...here.
9279 (output_shared_constant_pool): New function.
9280 (init_varasm_once): Initialize shared_constant_pool.
9281 * output.h (output_constant_pool): Delete.
9282 (output_shared_constant_pool): Declare.
9283 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9284 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9286 2006-03-06 Nick Clifton <nickc@redhat.com>
9288 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9289 flag_strength_reduce.
9291 2006-03-06 Ben Elliston <bje@au.ibm.com>
9293 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9294 x86_64-*-linux* configurations.
9296 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9297 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9299 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9301 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9303 * basic-block.h: Remove the extern for
9304 rediscover_loops_after_threading.
9306 * cfgloop.c (cancel_loop): Make it static.
9307 * cfgloop.h: Remove the prototype for cancel_loop.
9309 * flow.c (recompute_reg_usage): Make it static.
9310 * rtl.h: Remove the prototype for recompute_reg_usage.
9312 * function.c (use_return_register): Make it static.
9313 * function.h: Remove the prototype.
9315 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9317 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9319 * recog.h: Remove the prototype for
9320 validate_change_maybe_volatile.
9322 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9324 * rtlanal.c (replace_reg): Remove.
9325 * rtl.h: Remove the prototype for replace_reg.
9327 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9329 * regclass.c (reg_scan_update): Remove.
9330 (reg_scan_mark_refs): Remove the last argument.
9331 * rtl.h: Remove the prototype for reg_scan_update.
9333 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9335 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9336 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9337 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9338 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9339 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9340 loop-invariant.c, omp-low.c, opts.c, passes.c,
9341 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9342 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9343 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9344 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9345 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9346 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9350 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9351 * dwarf2out.h: Remove the prototype for
9352 dwarf2out_add_library_unit_info.
9354 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9356 * tree.c (add_var_to_bind_expr): Remove.
9357 * tree.h: Remove the prototype for add_var_to_bind_expr.
9359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9361 * regclass.c (n_non_fixed_regs): Remove.
9362 (init_reg_sets_1, globalize_reg): Remove all uses of
9364 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9366 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9368 * rtlanal.c (insns_safe_to_move_p): Remove.
9369 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9371 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9373 * expmed.c (expand_mult_add): Remove.
9374 * expr.h: Remove the prototype for expand_mult_add.
9376 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9378 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9379 and REG_SAVED_VAL_EXP constants.
9380 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9381 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9382 Handle regs stored by value.
9383 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9384 (execute_cfa_program): Handle DW_CFA_val_offset,
9385 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9386 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9387 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9388 (uw_install_context_1): Handle target regs stored by value.
9390 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9392 * tree-sra.c (tree_sra): Return todoflags;
9393 (generate_one_element): Set TODO_update_smt_usage if needed.
9394 (pass_sra): Remove TODO_update_smt_usage.
9395 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9397 (tree_ssa_forward_propagate_single_use_vars): Return
9398 TODO_update_smt_usage if we need to update SMT usage.
9399 (pass_forwprop): Remove TODO_update_smt_usage.
9401 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9403 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9404 (correct_use_link): Remove reference to get_stmt_operands.
9405 (update_stmt_operands): Likewise.
9406 (get_modify_expr_operands): New function factored out of
9407 parse_ssa_operands and get_expr_operands.
9408 Try to create V_MUST_DEFs for LHS by default.
9409 (get_expr_operands) <case MODIFY_EXPR>: Call
9410 get_modify_expr_operands.
9411 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9412 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9413 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9414 get_modify_expr_operands.
9416 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9418 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9419 * tree-flow.h: Remove the prototype for
9420 referenced_var_lookup_if_exists.
9422 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9424 PR rtl-optimization/26345
9426 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9428 2006-03-03 Roger Sayle <roger@eyesopen.com>
9430 PR tree-optimization/26524
9431 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9432 fold_convert to create a constant of the appropriate type.
9434 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9436 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9437 SYMBOL_REF_IN_BLOCK_P.
9438 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9439 of SYMBOL_FLAG_IN_BLOCK.
9440 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9441 instead of SYMBOL_REF_IN_BLOCK_P.
9442 * explow.c (use_anchored_address): Likewise.
9443 * rtl.c (rtx_size): Likewise.
9444 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9445 instead of SYMBOL_FLAG_IN_BLOCK.
9446 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9447 SYMBOL_REF_IN_BLOCK_P.
9448 (assemble_variable): Likewise.
9449 (output_constant_def_contents): Likewise.
9450 (output_constant_pool): Likewise.
9451 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9452 instead of SYMBOL_FLAG_IN_BLOCK.
9453 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9454 SYMBOL_REF_IN_BLOCK_P.
9455 (SYMBOL_REF_BLOCK): Likewise.
9456 (SYMBOL_REF_OFFSET): Likewise.
9457 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9458 SYMBOL_REF_IN_BLOCK_P.
9459 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9460 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9461 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9462 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9464 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9466 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9468 2006-03-02 Roger Sayle <roger@eyesopen.com>
9470 * simplify-rtx.c (simplify_unary_operation): When simplifying
9471 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9472 that we perform the right shift in the appropriate mode, and
9473 then extend or truncate the result to requested mode.
9475 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9477 * gengtype.c (main): Handle double_int type.
9478 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9479 * double-int.c: New file.
9480 * double-int.h: New file.
9481 * system.h: Include doubleint.h.
9482 * Makefile.in (SYSTEM_H): Include double-int.h.
9483 (double-int.o): Add.
9485 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9488 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9491 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9493 * tree-vrp.c (remove_range_assertions): Do not update statements
9496 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9498 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9500 * gcse.c (rest_of_handle_gcse): Ditto.
9501 * except.c (gate_handle_eh): Ditto.
9502 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9503 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9505 2006-03-02 Eric Christopher <echristo@apple.com>
9507 * config/i386/i386.c (machopic_output_stub): Add indirection to
9510 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9514 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9516 Sun Niagara specific optimizations.
9517 * config.gcc: Recognize niagara as target.
9518 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9519 (TARGET_CPU_niagara): Define.
9520 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9521 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9522 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9523 (ASM_CPU_SPEC): Likewise.
9524 (PROCESSOR_NIAGARA): New enum entry.
9525 (REGISTER_MOVE_COST): Handle Niagara.
9526 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9527 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9528 (sparc_override_options): Recognize "niagara", set appropriate
9529 default MASK_* values for it, and align functions to 32-bytes
9530 by default just like ULTRASPARC/ULTRASPARC3.
9531 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9532 (sparc64_initialize_trampoline): Likewise.
9533 (sparc_use_sched_lookahead): Use zero for niagara.
9534 (sparc_issue_rate): Use one for niagara.
9535 * config/sparc/niagara.md: New file.
9536 * config/sparc/sparc.md: Include it.
9537 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9538 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9539 when default cpu is niagara.
9540 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9541 (ASM_CPU_SPEC): Likewise.
9542 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9543 when default cpu is niagara.
9544 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9545 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9546 just like v9/ultrasparc/ultrasparc3.
9547 * doc/invoke.texi: Add documentation for "niagara" and improve
9548 existing documentation for ultrasparc variants.
9550 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9552 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9554 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9556 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9557 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9558 and say that only one is needed.
9559 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9560 * target.h (have_switchable_bss_sections): New hook.
9561 * explow.c (use_anchored_address): Check that the symbol is in a block.
9562 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9563 (bss_noswitch_section): New variables.
9564 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9565 (get_noswitch_section): New function.
9566 (get_block_for_section): Allow SECT to be null.
9567 (unlikely_text_section_p): Use SECTION_STYLE.
9568 (bss_initializer_p): New function.
9569 (get_variable_section): Move earlier in file. Take a new argument,
9570 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9571 Return one of the new *_sections in such cases.
9572 (get_block_for_decl): New function, extracting some logic from
9573 use_blocks_for_decl_p.
9574 (change_symbol_section): Remove in favor of...
9575 (change_symbol_block): ...this new function.
9576 (use_blocks_for_decl_p): Remove checks now performed by
9578 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9579 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9580 (emit_local, emit_bss, emit_common): ...these new functions.
9581 Return true if the alignment was honored.
9582 (emit_tls_common): New function.
9583 (asm_emit_uninitialised): Delete.
9584 (assemble_variable_noswitch): New function, split out from...
9585 (assemble_variable): ...here. Don't make decisions about common
9586 variables here. Globalize all public decls that go into non-common
9587 sections. Check whether SYMBOL_REF_BLOCK is null.
9588 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9589 (output_constant_pool): Likewise.
9590 (init_varasm_once): Initialize the new section variables.
9591 (have_global_bss_p): New function.
9592 (categorize_decl_for_section): Use bss_initializer_p.
9593 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9594 (place_block_symbol): Assert that the symbol must be in a block.
9595 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9596 (TARGET_INITIALIZER): Include it.
9597 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9598 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9599 (SECTION_MACH_DEP): Bump by two.
9600 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9601 (unnamed_section): Mention SECTION_UNNAMED in comment.
9602 (named_section): Likewise SECTION_NAMED.
9603 (noswitch_section_callback): New type.
9604 (noswitch_section): New structure.
9605 (section): Add a noswitch_section alternative.
9606 (SECTION_STYLE): New macro.
9607 (tls_comm_section, comm_section, lcomm_section): Declare.
9608 (bss_noswitch_section, have_global_bss_p): Declare.
9609 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9610 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9612 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9613 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9616 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9618 * tree-vrp.c (execute_vrp): Return value.
9619 * regrename.c (rest_of_handle_regrename): Ditto.
9620 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9621 * tree-complex.c (tree_lower_complex): Ditto.
9622 (tree_lower_complex_O0): Ditto.
9623 * tracer.c (rest_of_handle_tracer): Ditto.
9624 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9625 * postreload.c (rest_of_handle_postreload): Ditto.
9626 * tree-tailcall.c (execute_tail_recursion): Ditto.
9627 (execute_tail_calls): Ditto.
9628 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9629 * tree.h (init_function_for_compilation): Ditto.
9630 * ipa-cp.c (ipcp_driver): Ditto.
9631 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9632 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9633 * final.c (compute_alignments): Ditto.
9634 (rest_of_handle_final): Ditto.
9635 (rest_of_handle_shorten_branches): Ditto.
9636 (rest_of_clean_state): Ditto.
9637 * omp-low.c (execute_expand_omp): Ditto.
9638 (execute_lower_omp): Ditto.
9639 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9640 * ipa-reference.c (static_execute): Ditto.
9641 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9642 * reorg.c (rest_of_handle_delay_slots): Ditto.
9643 (rest_of_handle_machine_reorg): Ditto.
9644 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9645 * flow.c (recompute_reg_usage): Ditto.
9646 (rest_of_handle_remove_death_notes): Ditto.
9647 (rest_of_handle_life): Ditto.
9648 (rest_of_handle_flow2): Ditto.
9649 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9650 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9651 (do_ssa_store_ccp): Ditto.
9652 (execute_fold_all_builtins): Ditto.
9653 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9654 * modulo-sched.c (rest_of_handle_sms): Ditto.
9655 * ipa-pure-const.c (static_execute): Ditto.
9656 * cse.c (rest_of_handle_cse): Ditto.
9657 (rest_of_handle_cse2): Ditto.
9658 * web.c (rest_of_handle_web): Ditto.
9659 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9660 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9661 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9662 * tree-nrv.c (tree_nrv): Ditto.
9663 (execute_return_slot_opt): Ditto.
9664 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9665 (create_structure_vars): Ditto.
9666 * loop-init.c (rtl_loop_init): Ditto.
9667 (rtl_loop_done): Ditto.
9668 (rtl_move_loop_invariants): Ditto.
9669 (rtl_unswitch): Ditto.
9670 (rtl_unroll_and_peel_loops): Ditto.
9671 (rtl_doloop): Ditto.
9672 * gimple-low.c (lower_function_body): Ditto.
9673 (mark_used_blocks): Ditto.
9674 * tree-ssa-sink.c (execute_sink_code): Ditto.
9675 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9676 (cgraph_early_inlining): Ditto.
9677 * global.c (rest_of_handle_global_alloc): Ditto.
9678 * jump.c (cleanup_barriers): Ditto.
9679 (purge_line_number_notes): Ditto.
9680 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9681 (rest_of_handle_if_after_reload): Ditto.
9682 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9683 (tree_ssa_loop_im): Ditto.
9684 (tree_ssa_loop_unswitch): Ditto.
9685 (tree_vectorize): Ditto.
9686 (tree_linear_transform): Ditto.
9687 (tree_ssa_loop_ivcanon): Ditto.
9688 (tree_ssa_empty_loop): Ditto.
9689 (tree_ssa_loop_bounds): Ditto.
9690 (tree_complete_unroll): Ditto.
9691 (tree_ssa_loop_prefetch): Ditto.
9692 (tree_ssa_loop_ivopts): Ditto.
9693 (tree_ssa_loop_done): Ditto.
9694 * predict.c (tree_estimate_probability): Ditto.
9695 * recog.c (split_all_insns_noflow): Ditto.
9696 (rest_of_handle_peephole2): Ditto.
9697 (rest_of_handle_split_all_insns): Ditto.
9698 * tree-eh.c (lower_eh_constructs): Ditto.
9699 * regmove.c (rest_of_handle_regmove): Ditto.
9700 (rest_of_handle_stack_adjustments): Ditto.
9701 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9702 * function.c (instantiate_virtual_regs): Ditto.
9703 (init_function_for_compilation): Ditto.
9704 (rest_of_handle_check_leaf_regs): Ditto.
9705 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9706 (rest_of_handle_gcse): Ditto.
9707 * ipa-type-escape.c (type_escape_execute): Ditto.
9708 * alias.c (rest_of_handle_cfg): Ditto.
9709 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9710 * profile.c (rest_of_handle_branch_prob): Ditto.
9711 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9712 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9713 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9714 * tree-dfa.c (find_referenced_vars): Ditto.
9715 * except.c (set_nothrow_function_flags): Ditto.
9716 (convert_to_eh_region_ranges): Ditto.
9717 (rest_of_handle_eh): Ditto.
9718 * emit-rtl.c (unshare_all_rtl): Ditto.
9719 (remove_unnecessary_notes): Ditto.
9720 * except.h (set_nothrow_function_flags): Ditto.
9721 (convert_to_eh_region_ranges): Ditto.
9722 * cfgexpand.c (tree_expand_cfg): Ditto.
9723 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9724 * tree-ssa-pre.c (do_pre): Ditto.
9725 (execute_fre): Ditto.
9726 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9727 (rest_of_handle_jump2): Ditto.
9728 * tree-sra.c (tree_sra): Ditto.
9729 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9730 (execute_mudflap_function_decls): Ditto.
9731 * tree-ssa-copy.c (do_copy_prop): Ditto.
9732 (do_store_copy_prop): Ditto.
9733 * ipa-prop.h (ipcp_driver): Ditto.
9734 * cfglayout.c (insn_locators_initialize): Ditto.
9735 * tree-ssa-forwprop.c
9736 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9737 * cfglayout.h (insn_locators_initialize): Ditto.
9738 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9739 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9740 (execute_late_warn_uninitialized): Ditto.
9741 * rtl.h (cleanup_barriers): Ditto.
9742 (split_all_insns_noflow): Ditto.
9743 (purge_line_number_notes): Ditto.
9744 (unshare_all_rtl): Ditto.
9745 (remove_unnecessary_notes): Ditto.
9746 (recompute_reg_usage): Ditto.
9747 (variable_tracking_main): Ditto.
9748 * integrate.c (emit_initial_value_sets): Ditto.
9749 * integrate.h (emit_initial_value_sets): Ditto.
9750 * tree-optimize.c (execute_free_datastructures): Ditto
9751 (execute_free_cfg_annotations): Ditto.
9752 (execute_fixup_cfg): Ditto.
9753 (execute_cleanup_cfg_pre_ipa): Ditto.
9754 (execute_cleanup_cfg_post_optimizing): Ditto.
9755 (execute_init_datastructures): Ditto.
9756 * tree-object-size.c (compute_object_sizes): Ditto.
9757 * combine.c (rest_of_handle_combine): Ditto.
9758 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9759 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9760 (rest_of_handle_reorder_blocks): Ditto.
9761 (rest_of_handle_partition_blocks): Ditto.
9762 * var-tracking.c (variable_tracking_main): Ditto.
9763 * tree-profile.c (tree_profiling): Ditto.
9764 * tree-vect-generic.c (expand_vector_operations): Ditto.
9765 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9766 * sched-rgn.c (rest_of_handle_sched): Ditto.
9767 (rest_of_handle_sched2): Ditto.
9768 * basic-block.h (free_bb_insn): Ditto.
9769 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9770 * tree-cfg.c (execute_build_cfg): Ditto.
9771 (remove_useless_stmts): Ditto.
9772 (split_critical_edges): Ditto.
9773 (execute_warn_function_return): Ditto.
9774 (execute_warn_function_noreturn): Ditto.
9775 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9776 * cfgrtl.c (free_bb_for_insn): Ditto.
9777 * passes.c (execute_one_pass): Run additional
9778 todos returned by execute function.
9779 * tree-pass.h (struct tree_opt_pass): Make execute
9782 2006-03-02 Richard Guenther <rguenther@suse.de>
9784 * tree-ssa-alias.c (find_used_portions): Consider taking
9785 the address as making the variable not write-only.
9787 2006-03-02 Nick Clifton <nickc@redhat.com>
9789 * config.gcc (default_use_cxa_atexit): Extend the description of
9790 this configure variable. Set its default value to "yes" for
9791 Linux, NetBSD and ELF targets on the assumption that they will
9792 use C libraries with the __cxa_atexit function.
9794 2006-03-02 Ben Elliston <bje@au.ibm.com>
9796 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9797 parameter as unused to suppress a build warning.
9799 2006-03-02 Ben Elliston <bje@au.ibm.com>
9801 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9804 2006-03-01 Roger Sayle <roger@eyesopen.com>
9807 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9808 declared name, the weak reference name, and the typeof name.
9809 (__gthrw): Avoid expanding the declared name suffix.
9810 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9812 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9814 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9816 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9817 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9818 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9819 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9820 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9821 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9822 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9823 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9824 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9825 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9826 (DW_END_default, DW_END_big, DW_END_little): New.
9827 (DW_END_lo_user, DW_END_hi_user): Define.
9828 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9829 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9830 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9833 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9835 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9837 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9839 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9841 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9843 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9844 to 'symbol_mem_tag'.
9846 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9849 2006-03-01 Roger Sayle <roger@eyesopen.com>
9851 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9853 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9856 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9857 MACHO_DYNAMIC_NO_PIC_P.
9858 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9860 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9863 * config/darwin-protos.h (darwin_asm_output_anchor):
9865 * config/darwin-sections.def (cstring_section):
9866 Add SECTION_MERGE to the flags.
9867 (literal4_section): Likewise.
9868 (literal8_section): Likewise.
9869 (objc_selector_refs_section): Likewise.
9870 (objc_cls_refs_section): Likewise.
9871 * config/darwin.c (darwin_asm_output_anchor): New
9873 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9875 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9877 Fix PR tree-optimization/26443
9878 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9879 to todo and PROP_tmt_usage to properties_destroyed.
9880 * tree-ssa-ccp.c (pass_ccp): Ditto.
9881 (pass_store_ccp): Ditto.
9882 * tree-ssa-dom.c (pass_dominator): Ditto.
9884 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9886 * tree-ssa-operands.c: Cleanup whitespace.
9887 (get_asm_expr_operands): Move before first invocation.
9888 (get_indirect_ref_operands): Likewise.
9889 (get_tmr_operands): Likewise.
9890 (get_call_expr_operands): Likewise.
9891 (append_def): Likewise.
9892 (append_use): Likewise.
9893 (append_v_may_def): Likewise.
9894 (append_v_must_def): Likewise.
9895 (add_call_clobber_ops): Likewise.
9896 (add_call_read_ops): Likewise.
9897 (add_stmt_operand): Likewise.
9898 (add_virtual_operand): Likewise.
9899 (build_ssa_operands): Likewise.
9901 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9906 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9907 with a call expr to ...
9908 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9910 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9912 * tree-vrp.c (extract_range_from_assert): Remove special
9913 handling for types with super-types.
9915 2006-03-01 Ben Elliston <bje@au.ibm.com>
9917 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9918 and powerpc64-*-linux* configurations.
9919 * config/t-dfprules: New file.
9921 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9922 Compile dfp-bit.c from the source directory using -DWIDTH and
9923 $DFP_CFLAGS to control the compilation of that file, rather than
9924 generating width-specific versions in the build directory.
9925 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9926 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9928 2006-02-28 Zack Weinberg <zackw@panix.com>
9930 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9933 2006-02-28 Eric Christopher <echristo@apple.com>
9935 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9936 Set up IN_LIBGCC definition of TARGET_64BIT.
9937 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9939 2006-02-28 Roger Sayle <roger@eyesopen.com>
9942 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9943 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9944 cases via the construction of "expr != 0".
9946 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9948 * alias.c (alias_invariant, alias_invariant_size): Remove.
9949 (record_base_value): Remove.
9950 (memrefs_conflict_p): Don't look at alias_invariant.
9951 (end_alias_analysis): Don't free it.
9952 * alias.h (record_base_value): Remove prototype.
9954 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9955 Adam Nemet <anemet@caviumnetworks.com>
9957 * rtl.h (truncated_to_mode): Declare it.
9958 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9959 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9960 (RTL_HOOKS_INITIALIZER): Include it.
9961 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9962 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9963 reg_truncated_to_mode.
9964 * rtlanal.c (truncated_to_mode): Define it.
9965 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9967 2006-02-28 Jeff Law <law@redhat.com>
9969 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9970 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9971 the range allowed by TYPE_PRECISION.
9973 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9975 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9977 PR tree-optimization/26419
9978 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9981 2006-02-27 Zack Weinberg <zackw@panix.com>
9983 * doc/md.texi: Fix typo in previous change.
9985 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9989 2006-02-27 Zack Weinberg <zackw@panix.com>
9991 * rtl.def (define_constraint, define_register_constraint)
9992 (define_memory_constraint, define_address_constraint): New MD forms.
9993 * gensupport.c (process_rtx): Put define_constraint etc on the
9995 * genpreds.c (process_define_predicate): Adjust comment. Validate
9996 the name, and call validate_exp to validate the expression.
9997 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9998 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9999 all callers changed.
10000 (validate_exp, needs_variable, struct constraint_data)
10001 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10002 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10003 (const_dbl_constraints, constraint_max_namelen)
10004 (have_register_constraints, have_memory_constraints)
10005 (have_address_constraints, have_address_constraints)
10006 (have_extra_constraints, have_const_int_constraints)
10007 (have_const_dbl_constraints, mangle, add_constraint)
10008 (process_define_constraint, process_define_register_constraint)
10009 (write_enum_constraint_num, write_lookup_constraint)
10010 (write_insn_constraint_len, write_regclass_for_constraint)
10011 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10012 (write_insn_extra_memory_constraint)
10013 (write_insn_extra_address_constraint)
10014 (write_satisfies_constraint_fns): New.
10015 (write_tm_preds_h): If we have new-style constraint definitions,
10016 prototype the functions generated from them, and define the
10017 old constraint interface (still used by generic code) in terms of
10019 (write_insn_preds_c): If we have new-style constraint definitions,
10020 generate all relevant functions from those definitions.
10021 (main): Handle define_constraint etc.
10022 * genoutput.c (struct constraint_data, indep_constraints)
10023 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10024 (mdep_constraint_len): New data structures and functions, defined
10025 #ifdef USE_MD_CONSTRAINTS.
10026 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10027 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10028 use new logic to validate operand constraints against constraint
10030 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10032 * defaults.h: If none of the old-style constraint macros are
10033 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10034 old-style macros; and poison REG_CLASS_FROM_LETTER,
10035 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10037 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10038 * doc/md.texi: Document new constraint-definition mechanism and the
10039 C interface it provides. Remove references to old mechanism
10040 elsewhere in the document.
10041 (Machine Constraints): Use pathnames relative to gcc directory,
10042 i.e. config/ARCH/FILE. Change i386 section to refer to
10043 config/i386/predicates.md; update that section to match docstrings.
10044 * doc/tm.texi: Move all documentation of the old constraint-
10045 definition macros to their own section, clearly mark as obsolete.
10047 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10048 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10050 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10051 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10052 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10053 constraint strings.
10054 (splits and peepholes): Use satisfies_constraint_*.
10055 * config/i386/i386.c (memory_address_length)
10056 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10058 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10060 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10061 scalar operation to be put back into the loop.
10063 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10066 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10067 (extract_cie_info): Handle S flag in augmentation string.
10068 (execute_cfa_program): If context->signal_frame, execute also
10069 fs->pc == context->ra instructions.
10070 (uw_frame_state_for): If context->signal_frame, don't subtract one
10071 from context->ra to find FDE.
10072 (uw_update_context_1): Set context->signal_frame to
10074 (_Unwind_GetIPInfo): New function.
10075 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10076 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10078 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10079 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10080 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10081 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10082 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10083 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10084 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10085 x86_64_fallback_frame_state): Set fs->signal_frame.
10086 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10087 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10088 (frob_update_context): Likewise. Workaround missing S flag in
10089 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10090 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10091 Remove the psw_addr + 1 hack.
10093 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10095 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10096 with aggregates here.
10097 (find_func_aliases): Remove code for &<aggregate> from here.
10099 2006-02-26 Roger Sayle <roger@eyesopen.com>
10101 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10102 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10103 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10104 as (X & C) ne/eq 0.
10106 2006-02-26 Roger Sayle <roger@eyesopen.com>
10108 PR middle-end/19983
10109 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10111 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10113 * opts.c (decode_options): Do not handle flag_strength_reduce.
10114 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10115 and OPT_fstrength_reduce.
10116 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10117 flag_prefetch_loop_arrays for being nonzero.
10118 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10120 (fprefetch-loop-arrays-rtl): Removed.
10121 (flag_prefetch_loop_arrays): Do not specify the value.
10123 * doc/passes.texi: Update documentation of loop optimizer
10125 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10126 -frerun-loop-opt): Remove.
10128 2006-02-26 Richard Guenther <rguenther@suse.de>
10130 PR tree-optimization/26421
10131 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10132 in function calls that are ADDR_EXPRs as using the whole structure.
10134 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10136 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10137 * tree-pass.h (pass_loop_optimize): Remove.
10138 * passes.c (pass_loop_optimize): Never run it.
10139 * toplev.c (backend_init): Don't call init_loop.
10140 * opts.c (flag_loop_optimize_set): Remove.
10141 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10142 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10143 the old RTL loop optimizer when profiling enabled.
10144 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10145 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10146 pre-headers for the sake of the old RTL loop optimizer.
10147 * Makefile.in: Remove all references to loop.o.
10149 * doc/invoke.texi: Remove all references to -floop-optimize
10150 and -frerun-loop-opt.
10152 2006-02-26 Zack Weinberg <zackw@panix.com>
10154 * doc/md.texi (Machine Constraints): Refer to all files with paths
10155 relative to gcc directory (i.e. config/CPU/file). Add missing
10156 @table @code ... @end table to M32C subsection.
10158 2006-02-26 Roger Sayle <roger@eyesopen.com>
10160 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10162 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10164 2006-02-26 Roger Sayle <roger@eyesopen.com>
10165 James A. Morrison <phython@gcc.gnu.org>
10167 PR middle-end/21137
10168 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10169 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10170 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10171 signedness of the shift operation.
10173 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10175 PR tree-optimization/26359
10176 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10178 2006-02-25 Roger Sayle <roger@eyesopen.com>
10180 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10181 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10182 as X == 0, and some symmetry related transformations.
10183 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10185 2006-02-25 Roger Sayle <roger@eyesopen.com>
10187 PR middle-end/23673
10188 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10189 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10190 symmetry related transformations. Fold (X^C1) == C2 as
10193 2006-02-25 Juergen Weigert <jw@suse.de>
10194 Richard Guenther <rguenther@suse.de>
10196 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10198 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10200 * combine.c (gen_lowpart_or_truncate): Call
10201 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10203 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10205 * doc/invoke.texi: Move -fopenmp description to "Options for
10207 Remove reference to -lgomp.
10209 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10211 * doc/install.texi: Require GNU tar version 1.14.
10213 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10215 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10216 * doc/invoke.texi (C++ Dialect Options): Document
10217 -fno-use-cxa-get-exception-ptr.
10218 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10219 * configure: Regenerate.
10220 * c.opt (fuse-cxa-get-exception-ptr): New.
10221 * c-opts.c (c_common_handle_option): Handle
10222 OPT_fuse_cxa_get_exception_ptr.
10223 * c-common.c (flag_use_cxa_atexit): Update documentation.
10224 (flag_use_cxa_get_exception_ptr): New.
10225 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10226 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10228 (C_COMMON_OVERRIDE_OPTIONS): New.
10230 2006-02-24 Roger Sayle <roger@eyesopen.com>
10232 PR middle-end/24952
10233 * combine.c (try_combine): Explicitly check whether GET_CODE is
10234 a SET or a CLOBBER, instead on checking that it isn't a USE.
10236 2006-02-24 Roger Sayle <roger@eyesopen.com>
10238 * fold-const.c (fold_comparison): New subroutine of fold_binary
10239 containing transformations common to both the equality and
10240 ordering relational operators, factored out of fold_binary.
10241 (fold_binary): Separate out the equality operators (EQ_EXPR
10242 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10243 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10244 transformations common to both.
10245 (fold_div_compare): Fix latent bugs in the previously unreachable
10246 LT_EXPR and GE_EXPR cases.
10248 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10250 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10251 decl libname for clog to __clog on AIX.
10253 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10255 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10258 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10259 output traceback table for thunks. Localise rs6000_stack_info call.
10261 2006-02-23 Roger Sayle <roger@eyesopen.com>
10262 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10264 * gthr-posix.h (__gthrw): Fix typo in comment.
10266 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10268 * doc/cpp.texi (Character sets): Document that we do support
10269 input files to be in any character set.
10271 2006-02-23 Jeff Law <law@redhat.com>
10273 * tree.h (PHI_ARG_NONZERO): Remove.
10274 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10275 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10276 node to the new node.
10278 PR tree-optimization/26425
10279 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10280 min/max, then assume its varying.
10282 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10284 PR rtl-optimization/26316
10285 * rtlanal.c (enum may_trap_p_flags): New.
10286 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10287 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10288 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10289 (may_trap_after_code_motion_p): New function.
10290 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10291 (find_invariant_insn): Use may_trap_after_code_motion_p.
10292 * rtl.h (may_trap_after_code_motion_p): Declare.
10294 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10296 * emit-rtl.c (immed_double_const): Cleanup.
10298 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10300 Fix PR tree-optimization/26376
10301 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10304 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10306 PR middle-end/26412
10307 * gimplify.c (omp_add_variable): Guard variable size decl test with
10308 DECL_SIZE (decl) check.
10310 2006-02-23 Richard Guenther <rguenther@suse.de>
10312 PR middle-end/26439
10313 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10314 like aggregate types.
10316 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10318 * configure.ac: Add --with{,out}-long-double-128 configure option.
10319 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10320 * configure: Rebuilt.
10321 * config.in: Rebuilt.
10322 * doc/install.texi (Options specification): Document
10323 --with-long-double-128.
10325 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10326 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10327 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10328 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10330 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10332 * config/s390/s390.c (override_options): Handle
10333 TARGET_DEFAULT_LONG_DOUBLE_128.
10335 * config/alpha/alpha.c (override_options): Handle
10336 TARGET_DEFAULT_LONG_DOUBLE_128.
10338 * config/sparc/sparc.c (sparc_override_options): Handle
10339 TARGET_DEFAULT_LONG_DOUBLE_128.
10341 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10343 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10344 (real-install-headers-tar, real-install-headers-cpio)
10345 (real-install-headers-cp): New targets.
10347 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10349 * tree.h (variable_section): Delete.
10350 * varasm.c (variable_section): Delete.
10352 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10354 * install.texi: Add notes on install.texi2html.
10355 (Building in parallel): Do not use footnotes.
10357 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10360 * doc/install.texi (Configuration): Document --disable-libgomp.
10362 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10364 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10366 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10368 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10369 (vec_extractv2df_0_sse): New.
10371 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10373 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10374 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10375 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10376 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10377 to the result of the expression.
10378 (def_cfa_1): Adjust.
10379 (frame_pointer_cfa_offset): Rename to...
10380 (frame_pointer_fb_offset): ... this. Adjust all uses.
10381 (convert_cfa_to_loc_list): Rename to...
10382 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10383 Pass it on to build_cfa_loc.
10384 (compute_frame_pointer_to_cfa_displacement): Rename to...
10385 (compute_frame_pointer_to_fb_displacement): ... this. New
10386 offset parameter. Use it in computation.
10387 (gen_subprogram_die): Compute cfa_fb_offset with the new
10388 macro, and use it to compute the fb loc list and the
10391 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10393 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10394 replaced with register_operand.
10395 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10396 non-DREG is expensive.
10397 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10398 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10401 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10403 * doc/install.texi2html: Use set -e.
10405 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10407 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10408 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10409 * doc/invoke.texi (-fshared-data): Delete.
10410 * common.opt (fshared-data): Delete.
10411 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10412 (assemble_static_space): Remove #if 0 code.
10413 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10414 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10415 * config/cris/cris.h: Remove FIXME.
10417 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10419 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10422 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10424 PR middle-end/26379
10425 * combine.c (simplify_shift_const_1): Disable nested shifts
10426 optimization for vector shifts.
10428 2006-02-20 Roger Sayle <roger@eyesopen.com>
10430 PR tree-optimization/26361
10431 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10432 of unsigned integer types.
10434 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10436 * tree-chrec.c (eq_evolutions_p): New.
10437 * tree-chrec.h (eq_evolutions_p): Declared.
10438 * tree-data-ref.c: Fix formatting.
10439 (datadep_stats, dependence_stats): New.
10441 (print_direction_vector): New.
10442 (dump_data_dependence_relation): Use print_direction_vector.
10443 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10444 (compute_subscript_distance): Static.
10445 (initialize_data_dependence_relation): Static. Get the number
10446 of loops surrounding the references from the callers, and initialize
10447 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10448 base_object_differ_p analyzers.
10449 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10450 compute_overlap_steps_for_affine_1_2,
10451 analyze_subscript_affine_affine): Count the classified dependences.
10452 Print a message when a test failed.
10453 (can_use_analyze_subscript_affine_affine): New.
10454 (analyze_siv_subscript): Compute the data dependences on symbolic
10455 scevs that verify can_use_analyze_subscript_affine_affine.
10456 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10457 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10458 Handle symbolic scevs.
10459 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10461 (subscript_dependence_tester): Moved...
10462 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10463 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10464 DDR_SIZE_VECT instead of getting it in parameter.
10465 (subscript_dependence_tester): ... here. Take as a parameter
10466 loop_nest_depth. Call build_classic_dist_vector and
10467 build_classic_dir_vector.
10468 (compute_affine_dependence): Update subscript_dependence_tester
10469 parameters. Update datadep_stats counters. Call
10470 compute_subscript_distance.
10471 (compute_self_dependence): Save the dist and dir vectors. Call
10472 compute_subscript_distance.
10473 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10474 (compute_all_dependences): Reorder parameters as they were before
10475 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10476 compute_subscript_distance. Update the use of
10477 compute_affine_dependence and initialize_data_dependence_relation.
10478 (find_data_references_in_loop): Handle COMPONENT_REF.
10479 (compute_data_dependences_for_loop): Initialize dependence_stats.
10480 Don't call build_classic_dist_vector and build_classic_dir_vector.
10481 Update the parameters of initialize_data_dependence_relation and
10482 compute_all_dependences. Print the statistics from datadep_stats.
10483 (analyze_all_data_dependences): Static. Not used until the pass for
10484 checking the data dependences is contributed.
10485 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10486 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10487 (initialize_data_dependence_relation, compute_affine_dependence,
10488 analyze_all_data_dependences, compute_subscript_distance): Removed.
10489 (print_direction_vector): New.
10490 * lambda.h (gcd): ... here.
10491 (lambda_vector_gcd): Moved here from gcd_vector.
10492 * lambda-code.c (gcd, gcd_vector): Removed.
10493 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10494 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10496 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10498 * ipa-type-escape.c: Tidy some comments and white space.
10499 * tree-ssa-operands.c: Likewise.
10501 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10504 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10505 (dump_decl_name): Do not walk the decl tree chains.
10506 * tree-pass.h (TDF_CHAIN): Remove.
10508 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10510 * Makefile.in (C): Remove
10512 (.PHONY): Remove C and PROTO
10514 2006-02-20 Roger Sayle <roger@eyesopen.com>
10516 PR middle-end/26236
10517 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10518 deprecated CHAR_TYPE tree code.
10520 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10522 * configure.ac (target_list): Add install-info, dvi, html.
10523 * configure: Regenerate.
10525 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10526 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10527 treelang/Make-lang.in: Do not use double-colon rules.
10529 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10531 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10532 (TMT_USED_ALONE): New macro.
10533 * tree-pass.h (PROP_tmt_usage): New property.
10534 (TODO_update_tmt_usage): New todo.
10535 * tree-ssa-alias.c (updating_used_alone): New variable.
10536 (recalculate_used_alone): New function.
10537 (compute_may_aliases): Set updating_used_alone, call
10538 recalculate_used_alone.
10539 * tree-sra.c (pass_sra): Note that this pass destroys
10540 PROP_tmt_usage, and add TODO_update_tmt_usage.
10541 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10542 * tree-flow.h (updating_used_alone): Prototype.
10543 (recalculate_used_alone): Ditto.
10544 * passes.c (execute_todo): Add code to set updating_used_alone,
10545 and call recalculate.
10546 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10547 for clobber if used alone, and add assert to verify used_alone
10550 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10552 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10553 for non tls symbols added.
10554 (legitimize_address): Do nothing for PLUS expressions if one of the
10555 addends is a tls symbol reference.
10557 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10561 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10563 * Makefile.in (BOOTSTRAPPING): New.
10564 (quickstrap): New definition if BOOTSTRAPPING=yes.
10566 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10567 * configure.ac: Substitute all_selected_languages with the languages
10568 that were configured. For all the other variables except
10569 lang_specs_files, include all the languages in the tree.
10570 * configure: Regenerate.
10572 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10573 if there is one. Run the commands to run fixincludes in the same
10576 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10577 * doc/install.texi: Document exact conventions for searching target tools.
10578 Document --with-build-time-tools. Document toplevel bootstrap. Document
10579 something more about building an Ada cross-compiler. Don't list GNU Make
10580 requirements which affect all platforms.
10582 2006-02-19 Roger Sayle <roger@eyesopen.com>
10584 PR middle-end/19543
10585 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10586 only equivalent if the have both the same mode and precision.
10588 2006-02-20 Ben Elliston <bje@au.ibm.com>
10590 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10592 2006-02-19 Roger Sayle <roger@eyesopen.com>
10593 Steven Bosscher <stevenb.gcc@gmail.com>
10595 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10596 constant pool references to identify stack mode constants.
10597 * rtlanal.c (constant_pool_constant_p): New predicate to check
10598 whether operand is a floating point constant in the pool.
10599 * rtl.h (constant_pool_constant_p): Prototype here.
10600 * loop.c (scan_loop): Avoid hoisting constants from the constant
10601 pool on STACK_REGS targets.
10602 (load_mems): Likewise.
10603 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10604 loads into x87 registers expensive in terms of register pressure.
10606 2006-02-19 Roger Sayle <roger@eyesopen.com>
10608 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10609 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10611 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10613 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10614 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10616 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10618 * doc/invoke.texi: Document -fipa-pta.
10619 * common.opt: Add ipa-pta option.
10620 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10621 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10622 (do_ds_constraint): Ditto.
10623 (get_constraint_for): Only add to referenced_vars if
10624 referenced_vars exists.
10625 (insert_into_field_list): Rewrite to do this unsorted.
10626 (insert_into_field_list_sorted): Rename old insert_into_field_list
10628 (create_function_info_for): Use insert_into_field_list_sorted.
10629 (create_variable_info_for): Rewrite so it uses unsorted version,
10630 since the field list is sorted.
10631 (intra_create_variable_infos): Only add to referenced_vars if
10632 referenced_vars exists.
10633 (ipa_pta_execute): Init heapvars, and delete when done.
10634 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10636 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10638 * doc/install.texi: Add missing `@samp'.
10640 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10642 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10645 2006-02-18 Mark Wielaard <mark@klomp.org>
10647 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10648 who added new 4.1 features, bug fixes and integration support.
10650 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10653 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10654 MEM for ABI_V4 pic.
10656 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10658 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10659 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10660 (copy_insn_1): Likewise. Don't copy each field individually.
10662 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10664 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10665 * rtl.c (rtx_size): Rename variable to...
10666 (rtx_code_size): ...this.
10667 (rtx_size): New function.
10668 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10669 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10671 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10672 * rtl.h (rtx_code_size): New variable.
10673 (rtx_size): Change from a variable to a function.
10674 (RTX_SIZE): Rename to...
10675 (RTX_CODE_SIZE): ...this.
10678 PR tree-optimization/17106
10679 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10680 (Anchored Addresses): New section.
10681 * doc/invoke.texi (-fsection-anchors): Document.
10682 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10683 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10684 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10685 * hooks.c (hook_bool_mode_rtx_false): New function.
10686 * hooks.h (hook_bool_mode_rtx_false): Declare.
10687 * gengtype.c (create_optional_field): New function.
10688 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10689 SYMBOL_REF_IN_BLOCK_P is true.
10690 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10691 (min_anchor_offset, max_anchor_offset): Likewise.
10692 (use_anchors_for_symbol_p): New hook.
10693 * toplev.c (compile_file): Call output_object_blocks.
10694 (target_supports_section_anchors_p): New function.
10695 (process_options): Check that -fsection-anchors is only used on
10696 targets that support it and when -funit-at-a-time is in effect.
10697 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10698 if the decl doesn't have one.
10699 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10700 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10701 of force_const_mem through use_anchored_address.
10702 (expand_expr_constant): New function.
10703 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10704 calling expand_expr for INDIRECT_REF.
10705 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10706 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10707 * expr.h (use_anchored_address): Declare.
10708 * loop-unroll.c: Don't declare rtx vectors here.
10709 * explow.c: Include output.h.
10710 (validize_mem): Call use_anchored_address.
10711 (use_anchored_address): New function.
10712 * common.opt (-fsection-anchors): New switch.
10713 * varasm.c (object_block_htab, anchor_labelno): New variables.
10714 (hash_section, object_block_entry_eq, object_block_entry_hash)
10715 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10716 (use_blocks_for_decl_p, change_symbol_section): New functions.
10717 (get_variable_section): New function, split out from assemble_variable.
10718 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10719 use_blocks_for_decl_p say so. Use change_symbol_section if the
10720 symbol has already been created.
10721 (assemble_variable_contents): New function, split out from...
10722 (assemble_variable): ...here. Don't output any code for
10723 block symbols; just pass them to place_block_symbol.
10724 Use get_variable_section and assemble_variable_contents.
10725 (get_constant_alignment, get_constant_section, get_constant_size): New
10726 functions, split from output_constant_def_contents.
10727 (build_constant_desc): Create a block symbol if use_object_blocks_p
10728 says so. Or into SYMBOL_REF_FLAGS.
10729 (assemble_constant_contents): New function, split from...
10730 (output_constant_def_contents): ...here. Don't output any code
10731 for block symbols; just pass them to place_section_symbol.
10732 Use get_constant_section and get_constant_alignment.
10733 (force_const_mem): Create a block symbol if use_object_blocks_p and
10734 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10735 (output_constant_pool_1): Add an explicit alignment argument.
10736 Don't switch sections here.
10737 (output_constant_pool): Adjust call to output_constant_pool_1.
10738 Switch sections here instead. Don't output anything for block symbols;
10739 just pass them to place_block_symbol.
10740 (init_varasm_once): Initialize object_block_htab.
10741 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10742 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10743 (place_block_symbol, get_section_anchor, output_object_block)
10744 (output_object_block_htab, output_object_blocks): New functions.
10745 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10746 (TARGET_ASM_OUT): Include it.
10747 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10748 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10749 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10750 (TARGET_INITIALIZER): Include them.
10751 * rtl.c (rtl_check_failed_block_symbol): New function.
10752 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10753 (block_symbol, object_block): New structures.
10754 (rtx_def): Add a block_symbol field to the union.
10755 (BLOCK_SYMBOL_CHECK): New macro.
10756 (rtl_check_failed_block_symbol): Declare.
10757 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10758 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10759 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10760 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10761 * output.h (output_section_symbols): Declare.
10762 (object_block): Name structure.
10763 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10764 (default_use_anchors_for_symbol_p): Declare.
10765 * Makefile.in (RTL_BASE_H): Add vec.h.
10766 (explow.o): Depend on output.h.
10767 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10768 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10769 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10770 (rs6000_use_blocks_for_constant_p): New function.
10772 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10774 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10776 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10779 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10782 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10784 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10788 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10790 PR middle-end/26334
10791 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10792 instead of DECL_REGISTER.
10794 2006-02-18 Olivier Hainque <hainque@adacore.com>
10797 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10799 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10802 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10803 * opth-gen.awk: Handle Var and InverseMask together.
10804 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10805 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10806 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10807 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10809 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10810 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10811 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10812 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10813 LINUX_DYNAMIC_LINKER): Define.
10814 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10815 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10817 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10818 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10819 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10821 (TARGET_C99_FUNCTIONS): Don't define.
10822 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10823 GLIBC_DYNAMIC_LINKER.
10824 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10825 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10826 GLIBC_DYNAMIC_LINKER64): Define.
10827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10828 LINUX_DYNAMIC_LINKER64.
10829 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10831 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10833 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10835 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10836 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10837 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10839 and LINUX_DYNAMIC_LINKER32.
10840 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10842 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10844 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10846 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10847 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10848 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10849 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10850 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10851 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10852 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10853 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10854 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10855 LINUX_DYNAMIC_LINKER): Define.
10856 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10857 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10858 GLIBC_DYNAMIC_LINKER64): Define.
10859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10860 LINUX_DYNAMIC_LINKER64.
10861 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10862 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10863 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10864 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10865 LINUX_DYNAMIC_LINKER): Define.
10866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10867 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10868 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10869 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10870 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10871 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10872 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10873 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10874 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10875 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10876 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10877 * doc/invoke.texi (-muclibc): Remove caveat about supported
10880 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10882 * doc/cpp.texi (__TIMESTAMP__): Document.
10884 2006-02-17 Roger Sayle <roger@eyesopen.com>
10886 PR middle-end/25600
10887 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10888 C is one less than the width of X (and related transformations).
10889 * simplify-rtx.c (simplify_unary_operation_1): Transform
10890 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10891 depending on STORE_FLAG_VALUE, were C is one less then the
10894 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10896 Fix PR tree-optimization/26341
10897 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10898 about NAME_MEMORY_TAG's.
10900 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10903 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10904 with hardware float support, and software float support. Add fcpy
10905 alternative to hardware patterns. Add alternatives to copy between
10906 general and floating-point registers to the 32-bit pattern.
10907 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10908 secondary reload to load a QI or HI mode constant into a floating
10910 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10911 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10913 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10916 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10918 (load_macho_picbase_di): Likewise.
10920 2006-02-16 Jeff Law <law@redhat.com>
10922 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10923 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10924 (ssa_name_nonzero_p): Likewise.
10925 (get_value_range): Return NULL if VRP is not running.
10926 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10927 VRP routines do not discover a range.
10928 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10929 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10930 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10931 (tree_expr_nonnegative_p): Similarly.
10932 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10933 (restore_nonzero_vars_to_original_value): Remove.
10934 (unsafe_associative_fp_binop): Remove.
10935 (tree_ssa_dominator_optimize): Remove initialization and
10936 finalization of nonzero_vars and nonzero_vars_stack.
10937 (dom_opt_initialize_block): No longer push marker on
10938 nonzero_vars_stack.
10939 (dom_opt_finalize_block): No longer call
10940 restore_nonzero_vars_to_original_value.
10941 (record_equivalences_from_phis): No longer look for
10942 nonzero PHI arguments.
10943 (cprop_into_successor_phis): No longer propagate nonzero
10944 property into PHI arguments. Lose unused argument. Caller
10946 (record_equivalences_from_stmt): No longer record nonzero
10947 values for SSA_NAMEs.
10948 (lookup_avail_expr): No longer use nonzero_vars.
10950 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10951 for sizetype when sizetype is unsigned.
10953 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10955 PR rtl-optimization/25603
10956 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10957 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10958 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10959 with new meaning of SETS.
10961 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10966 * config/linux.opt: New file.
10967 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10968 LINUX_DYNAMIC_LINKER): Define.
10969 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10970 * config.gcc (*-*-linux*): Define extra_options.
10971 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10972 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10973 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10974 GLIBC_DYNAMIC_LINKER.
10975 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10976 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10977 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10979 * doc/invoke.texi (GNU/Linux Options): New section.
10981 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10983 * config/sparc/sparc.md (setjmp): Rewrite.
10984 (setjmp_32): Delete.
10985 (setjmp_64): Likewise.
10987 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10989 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10992 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10994 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10997 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10999 PR rtl-optimization/26296
11000 * Makefile.in (loop-invariant.c): Add except.h dependency.
11001 * loop-invariant.c: Include except.h.
11002 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11004 2005-02-16 Paul Brook <paul@codesourcery.com>
11006 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11009 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11011 PR rtl-optimization/25636
11012 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11013 when deciding whether an insn is an initializing insn.
11015 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11017 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11018 (tree_code_size): Ditto.
11019 * tree.h (struct tree_memory_tag): Remove parent_var.
11020 (struct tree_struct_field_tag): New.
11023 (union tree_node): Add sft member.
11024 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11026 (create_sft): Add size and offset argument, set SFT_OFFSET and
11028 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11029 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11030 * tree-flow-inline.h (get_subvar_at): Update for
11031 SFT_OFFSET/SFT_SIZE.
11032 (var_can_have_subvars): Ditto.
11033 (overlap_subvar): Ditto.
11034 * print-tree.c (print_node): Print out interesting things for
11036 * tree-flow.h (struct subvar): Remove offset and size members.
11037 * tree-ssa-operands.c (get_expr_operands): Update for
11038 get_indirect_ref_operands changes.
11039 (get_indirect_ref_operands): Call add_virtual_operand instead of
11040 add_stmt_operand. Only recurse on base var if requested.
11041 (access_can_touch_variable): New function.
11042 (add_stmt_operand): Split virtual operand handling into ...
11043 (add_virtual_operand): Here. Add offset, size, and for_clobber
11044 arguments. Prune alias sets.
11045 (add_call_clobber_ops): Call add_virtual_operand.
11047 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11049 PR middle-end/26300
11050 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11052 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11053 than TREE_CODE as index into omp_clause_num_ops array.
11055 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11057 PR rtl-optimization/26184
11058 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11060 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11061 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11062 must_precede, must_follow and tobe_scheduled.
11065 * opts.c (common_handle_option): Free new_option pointer.
11066 * df-core.c (df_analyze): Free postorder pointer.
11068 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11070 * Makefile.in: Fix the examples about the use of stamps
11072 2006-02-15 Michael Matz <matz@suse.de>
11074 PR middle-end/22275
11076 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11077 influenced by maximum_field_alignment or DECL_PACKED.
11078 (update_alignment_for_field): Ditto.
11079 (place_field): Ditto.
11080 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11083 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11085 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11086 (debug_flow_info): Pass it.
11087 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11088 * bb-reorder.c (reorder_basic_blocks): Likewise.
11089 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11090 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11091 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11092 * gcse.c (gcse_main, bypass_jumps): Likewise.
11093 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11094 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11095 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11096 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11097 * rtl.h (dump_flow_info): Adjust prototype.
11098 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11099 * var-tracking.c (variable_tracking_main): Likewise.
11100 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11101 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11104 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11106 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11109 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11111 PR tree-optimization/26209
11112 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11113 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11115 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11117 2006-02-14 Roger Sayle <roger@eyesopen.com>
11119 PR middle-end/23670
11120 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11121 (X,Y) and the corresponding symmetry related transformations.
11122 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11123 (X,Y) and its symmetry related transformations.
11125 2006-02-14 Roger Sayle <roger@eyesopen.com>
11127 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11130 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11132 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11134 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11137 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11138 support COMDAT group.
11139 * configure: Regenerate.
11141 2006-02-14 Roger Sayle <roger@eyesopen.com>
11143 PR middle-end/26279
11144 PR middle-end/26280
11145 PR middle-end/26283
11146 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11148 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11150 Fix PR tree-optimization/26260
11152 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11154 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11155 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11156 * tree-ssa-structalias.c (create_variable_info_for): Use
11157 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11159 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11161 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11163 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11164 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11165 of the ending condition.
11166 * tree-ssa-loop-manip.c: Include params.h.
11167 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11168 tree_unroll_loop): New functions.
11169 * tree-pass.h (pass_loop_prefetch): Declare.
11170 * loop.c (rest_of_handle_loop_optimize): Test for
11171 -fprefetch-loop-arrays-rtl.
11172 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11173 * timevar.def (TV_TREE_PREFETCH): New timevar.
11174 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11175 pass_loop_prefetch): New.
11176 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11177 (cleanup_tree_cfg_loop): Call scev_reset.
11178 * common.opt (fprefetch-loop-arrays-rtl): Add.
11179 * tree-ssa-loop-prefetch.c: New file.
11180 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11181 (new_temp_expr_table): Initialize expr_vars.
11182 (free_temp_expr_table): Cleanup expr_vars.
11183 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11184 expressions from being merged into one.
11185 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11186 (struct tree_niter_desc): Add control, bound and cmp fields.
11187 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11189 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11190 (tree-cfgcleanup.o): Add SCEV_H dependency.
11191 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11192 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11194 2006-02-14 Richard Guenther <rguenther@suse.de>
11196 PR tree-optimization/26258
11197 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11198 in PHI argument processing.
11200 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11202 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11203 new expression in the requested machine mode.
11205 2006-02-13 Roger Sayle <roger@eyesopen.com>
11207 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11208 directly, instead let do_compare_rtx_and_jump handle this for us.
11209 * expr.c (expand_expr_real_1): Likewise.
11210 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11211 before do_jump_by_parts_greater.
11212 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11213 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11215 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11217 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11219 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11221 PR rtl-optimization/26235
11222 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11223 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11226 2006-02-13 Jeff Law <law@redhat.com>
11228 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11231 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11233 PR middle-end/26092
11234 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11235 twice if decl is a builtin. When trying again, call get_callee_fndecl
11236 first to verify it is still a builtin.
11238 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11240 * dwarf2out.c (base_type_die): Don't add AT_name here.
11241 (subrange_type_die): Don't add AT_name here.
11242 (modified_type_die): Rearrange code flow. Do add AT_name here.
11244 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11246 PR rtl-optimization/26247
11247 PR rtl-optimization/26248
11248 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11250 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11252 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11253 * config/fixtfdi.c: Likewise.
11254 * config/fixunstfdi.c: Likewise.
11255 * config/floatditf.c: Likewise.
11257 2006-02-13 Roger Sayle <roger@eyesopen.com>
11259 PR middle-end/24427
11260 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11261 into (X,C2) if C1 is a subset of the bits of C2. Transform
11262 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11264 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11266 2006-02-13 Josh Conner <jconner@apple.com>
11269 * varasm.c (function_section): Check for section name before
11270 calling select_section on targets that define
11271 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11272 unlikely_text_section instead of hot_function_section if
11273 first_function_block_is_cold.
11275 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11277 PR middle-end/25335
11278 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11280 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11282 PR rtl-optimization/26222
11283 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11284 after tree->rtl expansion.
11285 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11286 before passing it to emit_move_insn.
11288 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11290 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11292 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11293 Clarify documentation.
11294 * c-common.h (warn_write_strings): Remove.
11295 * c-common.c (warn_write_strings): Likewise.
11296 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11299 2006-02-12 Roger Sayle <roger@eyesopen.com>
11301 PR middle-end/25724
11302 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11303 (do_jump_parts_zero_rtx): New function renamed from
11304 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11305 (do_jump_parts_equality_rtx): New function split out from
11306 do_jump_parts_equality. Old implementation renamed as above.
11307 Call do_jump_parts_zero_rtx if either operand is zero.
11308 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11309 do all of the heavy lifting.
11310 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11311 calling either do_jump_by_parts_greater_rtx or
11312 do_jump_by_parts_equality_rtx.
11313 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11314 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11315 moved to do_compare_rtx_and_jump, call it directly.
11316 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11317 mode argument. Call do_compare_rtx_and_jump.
11318 (emit_case_nodes): Update calls to do_jump_if_equal.
11320 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11322 PR rtl-optimization/26225
11323 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11327 PR rtl-optimization/26232
11328 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11330 2006-02-11 Jason Merrill <jason@redhat.com>
11333 * tree-inline.c (declare_return_variable): Just don't use the
11334 modify target if it's a gimple complex reg and the return slot
11337 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11339 * doc/contrib.texi: Update my entry.
11341 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11343 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11345 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11347 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11350 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11352 * doc/invoke.texi (-floop-optimize2): Removed.
11353 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11354 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11355 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11356 * common.opt (floop-optimize2): Removed.
11357 (fmove-loop-invariants): Enabled by default.
11359 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11361 * tree-if-conv.c (combine_blocks): Free the result of
11362 get_loop_exit_edges.
11364 2006-02-10 Jeff Law <law@redhat.com>
11366 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11368 PR tree-optimization/26213
11369 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11370 loop trying to follow SSA_NAME_VALUE chains.
11372 2006-02-10 Richard Guenther <rguenther@suse.de>
11374 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11375 deal with structures that end in implicitly variable sized arrays.
11377 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11379 PR rtl-optimization/24762
11380 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11383 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11385 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11386 (struct ivopts_data): Add regs_used field.
11387 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11388 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11389 instead of loop_data->regs_used;
11390 (free_loop_data): Do not free aux fields for loops.
11391 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11392 and tree_ssa_iv_optimize_finalize.
11394 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11396 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11398 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11401 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11402 computing the effective result type.
11404 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11406 PR inline-asm/16194
11407 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11408 (tree_overlaps_hard_reg_set): Declare.
11409 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11410 type and signature to match function type expected by walk_tree.
11411 (tree_overlaps_hard_reg_set): New function.
11412 (decl_conflicts_with_clobbers_p): Rename to:
11413 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11414 Use tree_overlaps_hard_reg_set. Changed caller.
11415 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11416 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11417 * cris.c (cris_md_asm_clobbers): Likewise.
11419 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11421 * reload1.c (emit_input_reload_insns): Delete code that tries to
11422 inherit using find_equiv_reg.
11424 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11426 * c-common.h (flag_const_strings): Don't declare.
11427 * c-common.c (flag_const_strings): Remove.
11428 * c.opt (fconst_strings): Remove.
11429 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11430 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11431 (c_common_init_options): Don't set flag_const_strings.
11432 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11434 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11436 * arm.md (tlobits_cbranch): New pattern.
11437 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11438 testing a single bit.
11440 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11443 * tree-ssa-pre.c (create_component_ref_by_pieces):
11444 Handle RETURN_DECL like VAR_DECL.
11446 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11448 PR middle-end/26134
11449 * fold-const.c (fold_indirect_ref_1): Fold
11450 "*(foo *)&complexfoo" to "__real__ complexfoo"
11451 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11453 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11455 * tree-flow-inline.h (var_can_have_subvars):
11456 Volatile variables should not have subvariables.
11458 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11461 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11462 multiplying unsigned values.
11465 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11467 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11469 2006-02-08 Jason Merrill <jason@redhat.com>
11472 * tree.def: Elaborate on difference from MODIFY_EXPR.
11473 * doc/c-tree.texi (INIT_EXPR): Likewise.
11474 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11475 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11476 (gimplify_target_expr): Likewise.
11477 (gimplify_cond_expr): Remove target handling.
11478 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11479 (gimplify_expr): Clobber it here.
11480 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11481 Do return slot optimization if we have an INIT_EXPR.
11484 * tree-inline.c (declare_return_variable): Also clear
11485 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11488 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11490 PR middle-end/22439
11491 * gimplify.c (gimplify_one_sizepos): Fix typo.
11493 2006-02-08 Jeff Law <law@redhat.com>
11495 PR tree-optimization/21417
11496 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11497 across a backedge if the control statement at the end of the
11498 block is data dependent on other statements in the same block.
11499 (record_temporary_equivalences_from_stmts): Remove over-conservative
11500 test for threading across backedges.
11502 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11503 control statement, handle all three special cases in the same
11504 manner as they all have the same desired solution. No longer
11505 special case edge flag updating when the post dominator is
11508 2006-02-08 Roger Sayle <roger@eyesopen.com>
11510 * tree.def (CHAR_TYPE): Remove.
11511 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11512 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11513 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11514 (gen_string_type_die): Delete unreachable function.
11516 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11517 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11518 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11519 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11520 * builtins.c (type_to_class): Likewise.
11521 * fold-const.c (fold_convert, build_range_check,
11522 merge_ranges): Likewise.
11523 * expr.c (count_type_elements): Likewise.
11524 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11525 * stor-layout.c (layout_type): Likewise.
11526 * ipa-type-escape.c (type_to_consider): Likewise.
11527 * gimplify.c (omp_firstprivatize_type_sizes,
11528 gimplify_type_sizes): Likewise.
11529 * explow.c (promote_mode): Likewise.
11530 * tree-sra.c (is_sra_scalar_type): Likewise.
11531 * varasm.c (output_constant): Likewise.
11532 * tree-inline.c (remap_type_1): Likewise.
11533 * convert.c (convert_to_pointer, convert_to_real,
11534 convert_to_integer, convert_to_complex): Likewise.
11536 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11538 * df-scan.c (df_def_record_1): A set destination may
11539 be a parallel regardless of mode.
11541 2006-02-08 Roger Sayle <roger@eyesopen.com>
11544 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11545 * config/mips/_tilib.c: Remove.
11546 * config/fixtfdi.c: New libgcc source file.
11547 * config/fixunstfdi.c: New source file.
11548 * config/floatditf.c: New source file.
11549 * config/floatunditf.c: New souce file.
11550 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11551 files above instead of config/mips/_tilib.c.
11552 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11554 2006-02-08 Jeff Law <law@redhat.com>
11556 PR tree-optimization/26169
11557 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11560 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11562 * df.h (DF_REG_SIZE): Return the length of the initialized
11565 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11567 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11568 __muldf3): Return a correctly signed zero.
11570 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11572 * passes.c (register_one_dump_file): Accept the current properties
11573 instead of pass number. Adjust call to dump_register. Remove
11575 (register_dump_files): Now a wrapper around...
11576 (register_dump_files_1): ... this one. Do not modify the pass
11578 (next_pass_1): Cosmetic fix.
11579 (execute_todo): Keep second parameter only. Use curr_properties
11580 instead of fetching it from the pass structure. Check and set
11582 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11583 instead of fetching it from the pass structure. Fix calls to
11584 execute_todo. Update curr_properties and initialize .vcg RTL dump
11585 after running the pass. Reset last_verified.
11586 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11588 (FIRST_AUTO_NUMBERED_DUMP): New.
11589 (dump_register): Remove "num" parameter, assign it within the
11591 (get_dump_file_name): Modify template for dumps.
11592 * tree-dump.h (dump_register): Adjust prototype.
11593 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11594 (PROP_trees): Add PROP_gimple_lomp.
11595 (TODO_set_props): New.
11596 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11597 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11598 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11600 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11602 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11603 (sparc64-*-linux*): Likewise.
11604 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11605 * config/sparc/t-linux: New file.
11606 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11607 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11608 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11609 -m32 -mlong-double-128.
11611 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11612 * config/alpha/t-linux: New file.
11613 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11615 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11616 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11617 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11618 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11619 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11620 (CPP_ARCH32_SPEC): Remove.
11622 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11624 PR tree-optimization/26145
11625 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11628 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11631 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11632 >= 240000 when generating code for SOM runtime.
11633 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11634 to $$dyncall when generating code for SOM runtime..
11636 2006-02-07 Dirk Mueller <dmueller@suse.com>
11639 * doc/invoke.texi (-Wsequence-point): Update documentation
11640 that -Wsequence-point is implemented for C++ as well.
11642 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11644 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11645 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11646 (LIB_SPEC): Likewise.
11647 * doc/invoke.texi (SPARC options): Document -pthread.
11649 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11651 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11654 2006-02-07 Roger Sayle <roger@eyesopen.com>
11656 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11657 Correct comment describing BOOLEAN_TYPE.
11659 2006-02-07 Dirk Mueller <dmueller@suse.com>
11661 * c.opt: C++ frontend supports -Wdiv-by-zero.
11662 * c-opts.c (c_common_handle_option): Remove dead case.
11664 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11666 * configure.ac (TLS assembler check): Do not enable TLS by
11667 default on SPARC/Solaris before version 10.
11668 * configure: Regenerate.
11670 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11672 * doc/invoke.texi (xl-compat): Document conversion and support
11675 2006-02-07 Jeff Law <law@redhat.com>
11677 * tree-vrp.c (find_conditional_asserts): Update comments.
11678 (simplify_stmt_for_jump_threading): New.
11679 (identify_jump_threads, finalize_jump_threads): New.
11680 (vrp_finalize): Call identify_jump_threads.
11681 (execute_vrp): Call finalize_jump_threads.
11682 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11683 (vrp_element, vrp_data, vrp_element_p): Remove.
11684 (vrp_hash_elt, vrp_variables_stack): Remove.
11685 (vrp_hash, vrp_eq, record_range): Remove.
11686 (simplify_cond_and_lookup_avail_expr): Remove.
11687 (extract_range_from_cond): Remove.
11688 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11689 (simplify_stmt_for_jump_threading): New.
11690 (dom_thread_across_edge): New wrapper.
11691 (tree_ssa_dominator_optimize): No longer initialize or
11692 finalize any of the VRP datastructures. Remove iteration
11693 step and simplify as a result of removal of iteration step.
11694 (pass_dominator): Perform a cfg cleanup after DOM.
11695 (dom_opt_finalize_block): Use the new common routines
11696 for threading jumps. Simplify stack management slightly.
11697 No longer need to unwind VRP state.
11698 (record_equivalences_from_incoming_edge): No longer record
11700 (eliminate_redundant_computations): No longer call
11701 simplify_cond_and_lookup_avail_expr.
11702 * tree-flow.h (potentially_threadable_block): Prototype.
11703 (thread_across_edge): Likewise.
11704 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11705 (tree-ssa-threadedge.o): Add dependencies.
11706 * tree-ssa-threadedge.c: New file.
11707 * passes.c (init_optimization_passes): Merge PHIs before
11708 calling VRP. Run VRP again late in the SSA optimization pipeline.
11710 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11712 * df-core.c (df_set_blocks): Do not dereference function pointers.
11713 (df_finish1): Likewise.
11714 (df_hybrid_search_forward): Likewise.
11715 (df_hybrid_search_backward): Likewise.
11716 (df_iterative_dataflow): Likewise.
11717 (df_analyze_problem): Likewise.
11718 (df_compact_blocks): Likewise.
11719 (df_dump): Likewise.
11720 * df-scan.c (df_rescan_blocks): Likewise.
11721 (df_record_entry_block_defs): Likewise.
11723 * genconditions.c (write_conditions): Guard the definition of
11724 'insn_conditions' with the check on GCC version.
11725 (write_writer): Guard the traversal 'insn_conditions' with
11726 the check on GCC version.
11728 2006-02-07 Richard Guenther <rguenther@suse.de>
11732 2006-01-30 Richard Guenther <rguenther@suse.de>
11734 * gimplify.c (gimplify_target_expr): Handle easy cases
11735 without creating a temporary.
11737 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11739 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11740 use of float in probability computations. Use edge probabilities
11741 in place of statically computed probabilities.
11742 (min_spec_prob): New static variable.
11743 (schedule_insns): Initialize it.
11744 (GET_SRC_PROB): Removed.
11745 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11747 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11750 * config/ia64/unwind-ia64.c: Revert last change.
11751 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11752 (INCOMING_FRAME_SP_OFFSET): Define.
11754 2006-02-06 Roger Sayle <roger@eyesopen.com>
11756 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11758 2006-02-07 Ben Elliston <bje@au.ibm.com>
11760 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11761 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11762 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11763 (ix86_return_in_memory): Handle TDmode.
11764 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11765 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11767 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11769 * reorg.c (dbr_schedule): Use dump_file instead of file.
11771 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11774 * config/ia64/predicates.md (extr_len_operand): New predicate.
11775 * config/ia64/ia64.md (extv): Tighten constraints.
11777 (*tbit_and_2): Ditto.
11778 (*tbit_and_3): Ditto.
11779 (*tbit_or_2): Ditto.
11780 (*tbit_or_3): Ditto.
11781 (*bit_zero): Ditto.
11784 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11787 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11789 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11791 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11792 loop_optimizer_init and loop_optimizer_finalize
11793 * tree-ssa-sink.c (execute_sink_code): Ditto.
11794 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11795 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11796 tree_ssa_loop_done): Ditto.
11797 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11798 * sched-ebb.c: Include output.h.
11799 (schedule_ebbs): Do not use dump argument.
11800 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11801 * loop.c (loop_dump_stream): Removed.
11802 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11804 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11805 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11806 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11807 loop_iterations, strength_reduce, record_biv, record_giv,
11808 final_giv_value, check_final_value, check_ext_dependent_givs,
11809 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11810 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11811 dump_file instead of loop_dump_stream.
11812 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11813 argument dump_file.
11814 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11816 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11817 * haifa-sched.c: Include output.h
11818 (schedule_insns, sched_init): Do not use dump argument.
11819 * mode-switching.c (optimize_mode_switching): Ditto.
11820 * modulo-sched.c (stats_file): Removed.
11821 (print_node_sched_params): Do not call argument dump_file.
11822 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11823 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11825 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11827 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11828 rtl_loop_init, rtl_loop_done): Ditto.
11829 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11830 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11832 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11833 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11834 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11835 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11836 * emit-rtl.c (renumber_insns): Ditto.
11837 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11838 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11839 * regclass.c (regclass): Ditto.
11840 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11841 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11842 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11843 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11845 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11846 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11848 * gcse.c (gcse_file, debug_stderr): Removed.
11849 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11850 rest_of_handle_gcse): Do not use dump argument.
11851 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11852 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11853 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11854 compute_code_hoist_vbeinout, compute_code_hoist_data,
11855 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11856 compute_store_table, build_store_vectors, insert_insn_start_bb,
11857 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11858 store_motion): Use dump_file instead of gcse_file.
11859 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11860 * profile.c (profile_dump_file): Removed.
11861 (branch_prob): Use dump_file instead of profile_dump_file.
11862 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11864 * tree-ssa-copy.c (dump_copy_of): Ditto.
11865 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11866 dump file to life_analysis.
11867 * bt-load.c (branch_target_load_optimize): Ditto.
11868 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11870 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11871 regclass, dbr_schedule): Declaration changed.
11872 * sched-int.h (sched_init): Declaration changed.
11873 * tree-profile.c (tree_profile_dump_file): Removed.
11874 (tree_profile_hooks): Removed profile_dump_file hook.
11875 * rtl-profile (rtl_profile_dump_file): Removed.
11876 (rtl_profile_hooks): emoved profile_dump_file hook.
11877 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11879 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11880 * tree-cfg.c (build_tree_cfg): Ditto.
11881 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11882 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11883 Declaration changed.
11884 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11885 life_analysis and schedule_insns.
11886 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11888 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11890 * config/mips/mips.c (mips_reorg): Ditto.
11891 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11894 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11896 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11897 (s390_mangle_fundamental_type): New.
11898 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11901 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11902 (alpha_mangle_fundamental_type): New.
11903 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11906 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11908 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11910 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11911 (sparc_mangle_fundamental_type): New.
11913 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11915 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11916 (s390x-*-linux*): Likewise.
11917 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11918 * config/s390/t-linux: New file.
11920 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11922 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11923 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11925 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11927 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11928 (ANTIC_SAFE_LOADS): New macro.
11929 (find_or_generate_expression): Add prototype.
11930 (set_contains_value): Allow null set for sake of not always having
11931 to allocate ANTIC_SAFE_LOADS.
11932 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11933 Allow COMPONENT_REF too.
11934 (valid_in_set): Allow COMPONENT_REF.
11935 Check ANTIC_SAFE_LOADS too.
11936 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11937 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11939 (can_PRE_operation): Add COMPONENT_REF.
11940 (create_component_ref_by_pieces): New function.
11941 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11942 (insert_aux): Move AGGREGATE_TYPE_P check here.
11943 (compute_avail): Set bb local stmt uids.
11944 (pass_pre): Use TODO_update_ssa_only_virtuals.
11946 2006-02-06 Ben Elliston <bje@au.ibm.com>
11948 * configure.ac: Unconditionally disable decimal float by default.
11949 * configure: Regenerate.
11951 2006-02-06 Ben Elliston <bje@au.ibm.com>
11953 * read-rtl.c (read_name): Terminate reading on EOF.
11955 2006-02-06 Ben Elliston <bje@au.ibm.com>
11957 * dfp.c (decimal_real_arithmetic): Change second argument type
11958 from int to enum tree_code. Do not always return true, but now
11959 return result of any call to decimal_do helper functions.
11960 * dfp.h (decimal_real_arithmetic): Update prototype.
11962 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11964 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11966 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11969 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11972 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11974 * tree-vrp.c (cfg_loops): Removed.
11975 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11976 Use current_loops instead of cfg_loops. Pass flags to
11977 loop_optimizer_init.
11978 * cfgloopmanip.c (fix_loop_structure): Update only available
11980 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11981 loop_optimizer_init.
11982 * modulo-sched.c (build_loops_structure): Removed.
11983 (sms_schedule): Use loop_optimizer_init.
11984 * loop-init.c (loop_optimizer_init): Use flags to determine
11985 which properties of loops to prepare.
11986 (rtl_loop_init): Pass flags to loop_optimizer_init.
11987 * tree-ssa-sink.c (execute_sink_code): Ditto.
11988 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11989 * tree-ssa-pre.c (init_pre): Ditto.
11990 * cfgloop.h (LOOPS_NORMAL): New.
11991 (loop_optimizer_init): Declaration changed.
11993 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11995 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11996 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11998 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12000 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12002 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12003 * pa/t-pa64: Delete quadlib.c rule.
12004 * pa/x-ada: Revert last change.
12005 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12007 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12009 PR rtl-optimization/26087
12010 * rtlanal.c (canonicalize_condition): Do not cross basic block
12013 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12016 * config/ia64/ia64.c: Include debug.h.
12017 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12018 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12019 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12020 (process_epilogue, process_set, process_for_unwind_directive):
12021 Output unwind info only if requested. Add CFA info if requested.
12022 Add new arguments as needed. Adjust callers.
12023 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12025 (DWARF2_FRAME_INFO): Define to zero.
12026 * config/ia64/unwind-ia64.c: Remove code that compensated for
12027 the CFA offset error fixed above.
12028 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12029 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12030 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12031 -funwind-tables and -fexceptions to enable frame info.
12032 (dwarf2out_frame_init): Define initial CFA even if
12033 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12034 DWARF2_UNWIND_INFO is nonzero, not just defined.
12035 (dwarf2out_frame_finish): Output non-EH call frame info only
12036 if DWARF2_FRAME_INFO is nonzero.
12037 (convert_cfa_to_loc_list,
12038 compute_frame_pointer_to_cfa_displacement): Define even if
12039 unwind info is not supported.
12040 (gen_subprogram_die): Use the above unconditionally. Remove
12041 legacy alternate code.
12042 * toplev.c (compile_file): Compile in call to
12043 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12044 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12046 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12047 Jakub Jelinek <jakub@redhat.com>
12049 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12050 IBM extended float format long double as "g" on powerpc*-linux.
12052 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12055 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12056 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12058 2006-02-03 Jason Merrill <jason@redhat.com>
12061 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12063 PR middle-end/25977
12064 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12065 on the return slot if it's an NRV.
12067 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12069 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12070 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12071 rewrite_use): Do not handle USE_OUTER.
12072 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12073 add_iv_outer_candidates, may_replace_final_value,
12074 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12075 (find_interesting_uses_op): Functionality of
12076 find_interesting_uses_outer_or_nonlin moved here.
12077 (find_interesting_uses_outside): Use find_interesting_uses_op.
12079 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12082 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12084 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12085 Ulrich Weigand <uweigand@de.ibm.com>
12088 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12089 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12090 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12091 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12093 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12094 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12095 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12096 Define secondary reloads for TFmode moves.
12097 (constant_modes): Add TFmode.
12098 (NR_C_MODES): Set to 8.
12099 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12101 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12102 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12103 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12104 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12105 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12106 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12107 (FPR mode macro): Add TFmode.
12108 (DSF mode macro): New.
12109 (<de>, <dee> mode attributes): Removed.
12110 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12111 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12112 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12113 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12114 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12115 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12116 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12117 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12118 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12119 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12120 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12121 "*negabs<mode>2", "sqrt<mode>2"):
12122 Changed <de> to <xde>. R constraint replaced by <Rf>.
12123 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12125 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12126 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12127 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12129 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12130 "extenddftf2", "extendsftf2"): New expanders.
12131 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12132 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12133 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12134 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12136 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12137 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12138 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12139 __floatditf): Add a GCC_4.1.0 symbol version tag.
12140 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12143 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12146 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12147 Use targetm.binds_local_p instead of TREE_PUBLIC.
12149 2006-02-02 Roger Sayle <roger@eyesopen.com>
12151 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12152 on INTEGER_TYPEs to indicate that it denotes a character type.
12153 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12154 signed_char_type_node, unsigned_char_type_node and char_type_node.
12155 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12156 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12157 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12159 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12160 Daniel Berlin <dberlin@dberlin.org>
12162 * tree-tailcall.c (arg_needs_copy_p): New function.
12163 (eliminate_tail_call): Use arg_needs_copy_p.
12164 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12165 (add_virtual_phis): New function.
12167 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12169 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12170 #ignore instead of #scratch for %g7 .register directive.
12172 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12174 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12177 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12179 * flow.c (calculate_global_regs_live): Assert that there aren't any
12182 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12184 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12185 what its name says.
12186 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12187 bsi_after_labels iterator.
12188 * tree-if-conv.c (find_phi_replacement_condition,
12189 replace_phi_with_cond_modify_expr): Likewise.
12190 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12191 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12193 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12195 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12197 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12200 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12201 array after growing it.
12203 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12205 PR middle-end/24901
12206 * fold-const.c (fold_checksum_tree): Change type of buf.
12208 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12210 * reload.c (push_secondary_reload): Initialize t_icode.
12212 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12214 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12215 -msoft-float -mlong-double-128 only issue a warning, but don't
12216 swich to DFmode long double.
12218 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12220 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12221 has a constant equivalent, iterate over equivalents for arg0,
12222 calling simplify_relational_operation and if there's a result
12223 cheaper than X, apply fold_rtx and return the result.
12225 2006-02-01 Jan Hubicka <jh@suse.cz>
12227 * opts.c (no_unit_at_a_time_default): New global variable.
12228 (decode_options): Use it.
12229 * opts.h (no_unit_at_a_time_default): Declare.
12231 2006-02-01 Paul Brook <paul@codesourcery.com>
12233 * function.c (assign_parm_setup_reg): Use function argument promotion
12235 * expr.c (expand_expr_real_1): Use function argument promotion rules
12238 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12240 * gcc.c (process_command): Change j to 'unsigned int'.
12242 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12244 PR middle-end/26001
12245 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12246 Use the corrected index for the character
12247 out of the string constant.
12249 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12251 * mode-switching.c (optimize_mode_switching): Fix size
12252 allocated for bb_info[n_entities].
12254 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12256 * gcc.c (main): Correct type that is allocated for
12257 explicit_link_files.
12259 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12261 * config/s390/s390.c (init_alignment_context): Set
12262 ALIAS_SET_MEMORY_BARRIER on the MEM.
12263 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12265 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12267 PR middle-end/25933
12268 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12270 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12273 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12275 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12276 * regrename.c: Ditto.
12277 * tree-ssa-loop-im.c: Ditto.
12278 * tree-dump.c: Ditto.
12279 * tree-complex.c: Ditto.
12280 * genrecog.c: Ditto.
12281 * tree-ssa-threadupdate.c: Ditto.
12283 * java/class.c: Ditto.
12284 * java/jcf-parse.c: Ditto.
12285 * java/resource.c: Ditto.
12286 * java/except.c: Ditto.
12287 * java/jvspec.c: Ditto.
12288 * java/jcf-write.c: Ditto.
12289 * java/jcf-path.c: Ditto.
12290 * java/gjavah.c: Ditto.
12291 * java/zextract.c: Ditto.
12292 * java/jcf-io.c: Ditto.
12293 * java/jcf.h: Ditto.
12294 * java/buffer.c: Ditto.
12295 * java/lang.c: Ditto.
12296 * java/parse-scan.y: Ditto.
12297 * java/lex.c: Ditto.
12298 * java/lex.h: Ditto.
12299 * cfgloopmanip.c: Ditto.
12300 * postreload-gcse.c: Ditto.
12301 * tree-ssa-loop-manip.c: Ditto.
12302 * postreload.c: Ditto.
12303 * tree-ssa-loop-ch.c: Ditto.
12306 * cppspec.c: Ditto.
12307 * diagnostic.c: Ditto.
12309 * genoutput.c: Ditto.
12311 * cfghooks.c: Ditto.
12312 * cfgloopanal.c: Ditto.
12313 * objc/objc-act.c: Ditto.
12315 * genextract.c: Ditto.
12316 * genautomata.c: Ditto.
12317 * pretty-print.c: Ditto.
12318 * genemit.c: Ditto.
12319 * cgraphunit.c: Ditto.
12321 * df-scan.c: Ditto.
12322 * haifa-sched.c: Ditto.
12323 * dominance.c: Ditto.
12325 * tree-ssa-loop-ivopts.c: Ditto.
12326 * df-core.c: Ditto.
12327 * mode-switching.c: Ditto.
12328 * modulo-sched.c: Ditto.
12330 * ipa-pure-const.c: Ditto.
12332 * fix-header.c: Ditto.
12334 * tree-stdarg.c: Ditto.
12335 * ipa-utils.c: Ditto.
12336 * loop-init.c: Ditto.
12337 * ipa-inline.c: Ditto.
12338 * cfganal.c: Ditto.
12340 * alloc-pool.c: Ditto.
12341 * dwarf2out.c: Ditto.
12343 * genattrtab.c: Ditto.
12344 * tree-ssa-loop-ivcanon.c: Ditto.
12345 * predict.c: Ditto.
12346 * timevar.c: Ditto.
12348 * fortran/gfortranspec.c: Ditto.
12349 * regmove.c: Ditto.
12350 * local-alloc.c: Ditto.
12351 * langhooks.c: Ditto.
12352 * function.c: Ditto.
12353 * tree-vectorizer.c: Ditto.
12355 * ipa-type-escape.c: Ditto.
12357 * tree-if-conv.c: Ditto.
12358 * profile.c: Ditto.
12360 * tree-data-ref.c: Ditto.
12361 * loop-unroll.c: Ditto.
12362 * treelang/treetree.c: Ditto.
12364 * bt-load.c: Ditto.
12365 * ggc-common.c: Ditto.
12367 * coverage.c: Ditto.
12369 * tree-cfgcleanup.c: Ditto.
12370 * tree-ssa-pre.c: Ditto.
12371 * cfgcleanup.c: Ditto.
12372 * loop-invariant.c: Ditto.
12373 * loop-iv.c: Ditto.
12374 * ipa-prop.c: Ditto.
12375 * print-tree.c: Ditto.
12376 * conflict.c: Ditto.
12377 * ggc-page.c: Ditto.
12378 * sched-deps.c: Ditto.
12379 * regclass.c: Ditto.
12380 * tree-object-size.c: Ditto.
12381 * combine.c: Ditto.
12382 * bb-reorder.c: Ditto.
12383 * resource.c: Ditto.
12384 * var-tracking.c: Ditto.
12385 * cfgloop.c: Ditto.
12386 * df-problems.c: Ditto.
12387 * reg-stack.c: Ditto.
12389 * gccspec.c: Ditto.
12390 * sched-rgn.c: Ditto.
12391 * tree-ssa-structalias.c: Ditto.
12392 * tree-ssa-reassoc.c: Ditto.
12393 * config/darwin-c.c: Ditto.
12394 * config/darwin.c: Ditto.
12395 * config/arm/arm.c: Ditto.
12397 * collect2.c: Ditto.
12398 * reload1.c: Ditto.
12400 2006-01-31 Nicolas Pitre <nico@cam.org>
12402 * arm.md (smaxsi3): Make aware of smax_m1.
12405 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12407 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12409 2006-01-31 Richard Guenther <rguenther@suse.de>
12411 * doc/invoke.texi (-msselibm): Document.
12412 * target.h (expand_library_builtin): New target hook.
12413 * builtins.c (expand_builtin): Use expand_library_builtin.
12414 (default_expand_library_builtin): New function.
12415 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12416 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12417 (link_gcc_math_spec): Declare.
12418 (static_specs): Add link_gcc_math_spec.
12419 * expr.h (default_expand_library_builtin): Declare.
12420 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12421 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12422 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12423 * config/i386/i386.opt (msselibm): New target option.
12424 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12425 (ix86_init_sse_abi_builtins): New function.
12426 (ix86_expand_library_builtin): Likewise.
12427 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12428 (override_options): Handle error conditions wrt -msselibm.
12429 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12430 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12431 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12434 2006-01-31 Richard Guenther <rguenther@suse.de>
12435 Paolo Bonzini <bonzini@gnu.org>
12437 * doc/install.texi (--disable-libgcc-math): Document.
12439 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12441 * expr.h (expand_normal): new inline function.
12442 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12443 * dojump.c: use it.
12444 * dwarf2out.c: use it.
12447 * expmed.c: use it.
12448 * except.c: use it.
12449 * config/sparc/sparc.c: use it.
12450 * config/i386/i386.c: use it.
12451 * config/rs6000/rs6000.c: use it.
12452 * config/arm/arm.c: use it.
12453 * config/mips/mips.c: use it.
12454 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12456 2006-01-30 Roger Sayle <roger@eyesopen.com>
12458 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12459 argv to the appropriate type.
12461 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12463 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12466 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12469 * config/s390/s390.c (struct machine_function): New flag
12470 decomposed_literal_pool_addresses_ok_p.
12471 (s390_reorg): Set it before final stage of literal pool transforms.
12472 (s390_decompose_address): Only accept displacements of the form
12473 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12475 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12477 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12478 the comparison routine return.
12480 2006-01-30 Michael Matz <matz@suse.de>
12482 * global.c (find_reg): Only evict for global regs.
12483 Take n_refs into account and dump more info.
12485 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12488 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12489 (pragma_trap, pragma_nosave_low_regs): Likewise.
12490 (current_function_anonymous_args): Likewise.
12491 (sh_deferred_function_attributes): New variable.
12492 (sh_deferred_function_attributes_tail): Likewise.
12493 (print_operand): For '@', look up trap_exit attribute.
12494 (calc_live_regs): Look up trapa_handler attribute. For trapa
12495 handlers, save/restore fpscr, but don't do any other
12496 interrupt-specific saves.
12497 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12498 Fix check for partially saved registers to check for SHmedia.
12499 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12500 (sh_output_function_epilogue): Don't clear any of the removed
12502 (sh_insert_attributes): Don't check pragma_interrupt.
12503 Insert deferred attributes. Check that interrupt attribute is
12504 present for other attributes that require its presence.
12505 (sh_attribute_table): Add new attributes trapa_handler and
12507 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12508 Don't check for pragma_interrupt. Don't store argument.
12509 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12510 (sh_deferred_function_attributes): Declare.
12511 (sh_deferred_function_attributes_tail): Likewise.
12512 * sh.md (sp_switch_1): Add operand. Change generator caller.
12513 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12514 (*return_i): Don't use when trap_exit attribute is in effect.
12515 (*return_trapa): New insn pattern.
12516 * sh-c.c: New file.
12517 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12518 setting c_target_objs and cxx_target_objs.
12519 * t-sh: Add rule for sh-c.o.
12521 2006-01-30 Richard Guenther <rguenther@suse.de>
12524 * gimplify.c (gimplify_target_expr): Handle easy cases
12525 without creating a temporary.
12527 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12529 * vec.h (safe_grow): Remove duplicated line.
12531 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12534 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12535 (expand_omp): ... here.
12536 (expand_omp_parallel): Only remove barriers for combined
12537 parallel+workshare constructs.
12539 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12543 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12544 * tree.c (build_qualified_type): Chain the new type to the original
12545 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12546 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12547 (build_pointer_type_for_mode): Only return unqualified types.
12548 (build_reference_type_for_mode): Likewise.
12550 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12552 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12553 * Makefile.in (CXX_COMPAT_WARN): Define.
12554 * configure: Regenerate.
12556 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12559 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12562 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12564 * toplev.c: Fix thinko.
12566 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12567 Marcin Dalecki <martin@dalecki.de>
12569 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12570 (push_srcloc): Use XNEW.
12571 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12573 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12575 * df-core.c (df_set_blocks): Deleted all variable.
12577 2006-01-28 Ian Lance Taylor <ian@airs.com>
12579 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12580 cgraph_output_pending_asms.
12582 2006-01-28 Zack Weinberg <zackw@panix.com>
12584 * c.opt: Add -W(no-)overlength-strings.
12585 * doc/invoke.texi: Document it.
12586 * c-opts.c (c_common_handle_option): -pedantic implies
12587 -Woverlength-strings, if not explicitly disabled already.
12588 (c_common_post_options): -Woverlength-strings defaults to off, and
12589 is always off for C++.
12590 * c-common.c (fix_string_type): Issue warning about strings longer
12591 than is portable only if warn_overlength_strings. Rearrange code
12592 a little for clarity.
12593 * configure.in: Check for -Wno-overlength-strings as well before
12594 enabling -pedantic in stage 1.
12595 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12596 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12598 * genconditions.c (write_header, write_one_condition)
12599 (write_conditions, write_writer): Consolidate very long strings
12600 that were broken up to fit in C89 portable limit. Don't use
12601 printf when fputs will do.
12603 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12605 * combine.c (simplify_comparison <AND>): Check
12606 TRULY_NOOP_TRUNCATION before start using a subreg.
12608 * config/mips/mips.md (*branch_zero<mode>,
12609 *branch_zero<mode>_inverted, *branch_equality<mode>,
12610 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12611 Remove mode check from comparisons.
12613 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12615 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12617 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12619 * expmed.c (const_mult_add_overflow_p): Remove.
12620 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12622 * recog.c (validate_replace_rtx_subexp): Remove.
12623 * recog.h: Remove the prototype for
12624 validate_replace_rtx_subexp.
12626 * integrate.h: Remove the prototype for
12627 copy_decl_for_inlining.
12628 * rtl.h: Remove the prototype for mark_constant_function.
12629 * tree-vectorizer.h: Remove the prototype for
12630 vect_strip_conversion.
12632 * modulo-sched.c (create_partial_schedule,
12633 free_partial_schedule, reset_partial_schedule): Make them
12636 * hooks.c (hook_bool_rtx_int_false): Remove.
12637 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12639 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12641 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12642 and -mlong-double-128 are incompatible.
12643 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12644 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12645 (TARGET_LIBGCC2_CFLAGS): Define.
12646 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12647 (TARGET_LIBGCC2_CFLAGS): Same.
12648 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12650 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12653 * c-typeck.c (build_binary_op): Perform implicit casts of
12654 operands before shortening them.
12656 * cfgloopmanip.c (split_loop_bb): Remove.
12657 * cfgloop.h: Remove the prototype for split_loop_bb.
12659 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12660 * cfgloop.h: Remove the prototype for
12661 flow_loop_outside_edge_p.
12663 * emit-rtl.c (init_virtual_regs): Make it static.
12664 * function.h: Remove the prototype for init_virtual_regs.
12666 * recog.c (peephole2_optimize): Make it static.
12667 * recog.h: Remove the prototype for peephole2_optimize.
12669 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12671 * df-scan.c (df_record_entry_block_defs): Check if
12672 INCOMING_RETURN_ADDR_RTX is defined.
12674 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12675 Kenneth Zadeck <zadeck@naturalbridge.com>
12677 PR rtl-optimization/24762
12678 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12679 * targhooks.c (hook_void_bitmap): New hook prototype.
12680 * targhoohs.h (hook_void_bitmap): Ditto.
12681 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12682 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12683 * target.h (live_on_entry): New function pointer.
12684 * df-scan.c (df_all_hard_regs): Removed.
12685 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12686 (df_scan_free_internal): Added df->entry_block_defs.
12687 (df_scan_alloc): Ditto.
12688 (df_scan_dump): Ditto.
12689 (df_uses_record): Plumbed flag field properly thru calls.
12690 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12691 This part fixes PR24762.
12692 (df_bb_refs_record): Added code to make the frame and arg
12693 pointers live in EH blocks.
12694 (df_refs_record): Added call to df_record_entry_block_defs.
12695 (df_record_entry_block_defs): New function.
12696 * df-core.c: Added comments to describe new artifical defs.
12697 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12698 (entry_block_defs): New field in struct df.
12699 (df_all_hard_regs): Deleted.
12700 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12701 * df-problems.c (df_ru_bb_local_compute_process_def):
12702 Added code to handle artifical defs in the entry to a function.
12703 (df_ru_bb_local_compute): Ditto.
12704 (df_rd_bb_local_compute_process_def): Ditto.
12705 (df_rd_bb_local_compute): Ditto.
12706 (df_lr_bb_local_compute): Ditto.
12707 (df_ur_bb_local_compute): Ditto.
12708 (df_urec_bb_local_compute): Ditto.
12709 (df_chain_create_bb): Ditto.
12710 (df_ur_local_finalize): Removed entry.
12711 (df_urec_init): Ditto.
12712 (df_urec_local_finalize): Ditto.
12713 (df_ri_bb_compute): Added detection of last use of pseudos.
12714 * Makefile.in (df-scan.o): Updated dependencies.
12715 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12716 * config/mips/mips.c (mips_set_live_on_entry): Added.
12717 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12719 * dce.c (marked_insn_p): Added code to handle artifical defs.
12721 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12723 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12725 (_mm_cvtsi128_si64): Likewise.
12726 (_mm_cvtsd_si64): Likewise.
12727 (_mm_cvttsd_si64): Likewise.
12728 (_mm_cvtsi64_sd): Likewise.
12729 (_mm_cvtsi64_si128): Likewise.
12730 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12731 (_mm_cvtsi64_m64): Likewise.
12732 (_m_to_int64): Likewise.
12733 (_mm_cvtm64_si64): Likewise.
12734 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12735 (_mm_cvttss_si64): Likewise.
12736 (_mm_cvtsi64_ss): Likewise.
12737 (_mm_cvtss_f32): Likewise.
12739 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12741 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12742 for pragma redefine_extname.
12744 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12747 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12748 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12749 -mno-minimal-toc to previous content.
12750 (bispecs): Remove goal.
12751 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12752 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12753 compatibility aliases on powerpc-*-*gnu*.
12754 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12755 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12756 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12757 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12758 (ldblspecs): New goal.
12759 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12760 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12762 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12763 L_sf_to_tf or L_df_to_tf is defined.
12765 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12766 Alan Modra <amodra@bigpond.net.au>
12769 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12770 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12771 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12772 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12773 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12774 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12775 (rs6000_override_options): Initialize rs6000_ieeequad.
12776 Initialize TFmode format to ibm_extended_format if not
12778 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12780 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12781 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12782 (function_arg_advance): IBM long double passed in two FPRs, not
12784 (function_arg): IBM long double passed in FPRs.
12785 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12786 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12787 Only multireg GPR aligned.
12788 (rs6000_init_libfuncs): Enable IBM long double functions if not
12790 (rs6000_generate_compare): Use IBM long double compare if not
12792 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12793 (TARGET_IEEEQUAD): Define.
12794 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12795 not TARGET_IEEEQUAD.
12796 * config/rs6000/rs6000.md: Enable TFmode patterns if
12798 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12799 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12800 and -mlong-double-128 are incompatible.
12801 * doc/invoke.texi (-mabi): Collect options together. Add
12802 ibmlongdouble and ieeelongdouble.
12804 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12806 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12808 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12809 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12810 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12811 * rtl.h (rtunion_def): Remove rt_ptr.
12813 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12814 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12815 * config/i386/winnt.c (i386_pe_mark_dllexport)
12816 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12818 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12820 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12822 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12826 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12827 pthread_key_delete. From John David Anglin. gthrw-ify
12828 pthread_getunique_np only if it it's not a macro. Delete
12830 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12831 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12832 __gthread_objc_condition_signal, __gthread_key_delete): Add
12833 "__attribute__ ((__unused__))" to unused arguments.
12834 (__gthread_recursive_mutex_init_function): Add missing return.
12835 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12836 gthr-posix95.h: Use macro-based approach for name redirection
12837 on targets missing weakref.
12839 2006-01-26 Zack Weinberg <zackw@panix.com>
12841 * genconditions.c (write_header): In generated code, #ifdef out
12842 all includes and fake declarations, except includes of bconfig.h
12843 and system.h, unless GCC_VERSION >= 3001. Do not include
12844 gensupport.h in any case.
12845 (write_conditions): Generate a definition of struct c_test. Add
12846 a comment to the generated #endif.
12847 (write_one_condition): Escape backslashes in string too.
12848 (write_writer): Generated code must escape backslashes and quote
12849 marks (but not newlines) in the strings it writes.
12850 * Makefile.in (build/gencondmd.o): Update dependencies.
12852 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12855 * Makefile.in (insn-automata.o): Add header file dependencies.
12856 * genautomata.c: Add includes.
12858 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12861 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12863 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12865 * configure.ac: Expect target tools paths to be passed from the toplevel
12866 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12868 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12870 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12873 * c.opt (Wpointer-sign): Init to -1.
12874 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12875 OPT_pedantic, to 0 otherwise.
12876 * doc/invoke.texi: Update.
12878 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12880 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12881 constants provided by 80387 instructions in the destination mode.
12883 2006-01-26 Richard Guenther <rguenther@suse.de>
12884 Andrew Pinski <pinskia@physics.uc.edu>
12887 partial PR tree-opt/17064
12888 * tree-ssa-structalias.c (intra_create_variable_infos):
12889 Create heap variables for incoming parameters if
12890 flag_argument_noalias > 1.
12891 (find_what_p_points_to): Look through default defs of
12894 2006-01-26 Jeff Law <law@redhat.com>
12897 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12898 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12899 within the VR_RANGE, use the VR_RANGE as the result, not the
12901 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12902 bounds for the type.
12904 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12906 * tree-ssa-alias.c (maybe_create_global_var): Change
12907 subvar walking to an assertion that we don't have subvar'd variables.
12909 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12912 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12913 Use a new variable, inner. PARM_DECLs are always non-weak.
12915 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12917 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12918 --disable-checking.
12920 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12922 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12924 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12926 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12927 (smax_insn, smin_insn, smax_0, smin_0): New.
12929 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12932 * config/cris/cris.c (cris_order_for_addsi3): New function.
12933 * config/cris/cris-protos.h: Prototype it.
12934 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12935 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12936 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12937 (split for "op.S1 [rx=rx+i],ry (swapped)")
12938 (split for "op(s|u).S1 [rx=rx+i],ry")
12939 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12940 Apply cris_order_for_addsi3 when generating addsi3 insns.
12942 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12944 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12945 (TREE_BLOCK): Add call to EXPR_CHECK.
12947 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12950 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12951 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12952 (dump_omp_clauses): ... here.
12953 (dump_generic_node): Handle OMP_CLAUSE.
12954 * tree.c (omp_clause_num_ops): New.
12955 (omp_clause_code_name): New.
12956 (tree_code_size): Handle OMP_CLAUSE.
12957 (tree_size): Likewise.
12958 (make_node): Document handling of OMP_CLAUSE.
12959 (tree_node_structure): Handle OMP_CLAUSE.
12960 (omp_clause_check_failed): New.
12961 (omp_clause_range_check_failed): New.
12962 (omp_clause_operand_check_failed): New.
12963 (build_omp_clause): New.
12964 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12965 * tree.h (enum omp_clause_code): Declare.
12966 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12967 (OMP_CLAUSE_RANGE_CHECK): Define.
12968 (OMP_CLAUSE_ELT_CHECK): Define.
12969 (omp_clause_check_failed): Declare.
12970 (omp_clause_operand_check_failed): Declare.
12971 (omp_clause_range_check_failed): Declare.
12972 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12973 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12974 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12975 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12976 (OMP_CLAUSE_IF_EXPR): Likewise.
12977 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12978 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12979 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12980 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12981 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12982 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12983 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12984 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12985 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12986 (OMP_CLAUSE_CODE): Define.
12987 (OMP_CLAUSE_SET_CODE): Define.
12988 (OMP_CLAUSE_CODE): Define.
12989 (OMP_CLAUSE_OPERAND): Define.
12990 (struct tree_omp_clause): Declare.
12991 (union tree_node): Add field 'omp_clause'.
12992 * treestruct.def (TS_OMP_CLAUSE): Define.
12993 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12994 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12995 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12996 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12997 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12998 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12999 (OMP_CLAUSE): Define.
13000 * print-tree.c (print_node): Handle OMP_CLAUSE.
13001 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13002 * c-typeck.c: Likewise.
13003 * gimplify.c: Likewise.
13004 * c-omp.c: Likewise.
13005 * tree-nested.c: Likewise.
13006 * tree-inline.c: Likewise.
13007 * c-parser.c: Likewise.
13008 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13011 2006-01-25 Roger Sayle <roger@eyesopen.com>
13013 PR rtl-optimization/25703
13014 * combine.c (try_combine): Handle zero_extract and strict_low_part
13015 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13017 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13019 * global.c: Fix comment typos.
13021 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13024 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13025 Use output_addr_const instead of assemble_name.
13027 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13029 * Makefile.in (sched-vis.o): Update dependencies.
13030 * haifa-sched.c (sched_finish): Clear current_sched_info.
13031 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13032 (dump_flow_info): Call it.
13033 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13035 * basic-block.h (dump_bb_info): Declare.
13036 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13037 option, and apply options only for dump files whose TDF_RTL,
13038 TDF_TREE, or TDF_IPA bits match.
13039 * rtl.h: Declare new functions exported from sched-vis.c.
13040 * sched-vis.c: Enable also if scheduling is not used.
13041 (print_value): Print the mode of registers if not inside scheduling.
13042 (print_insn): Make it work outside the scheduler. Beautify the output
13044 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13046 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13048 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13049 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13050 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13051 depending on the value of CONSTANT_POOL_ADDRESS_P.
13052 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13054 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13055 rather than SYMBOL_REF_DECL.
13056 (rtx_constant_pool): Remove const_rtx_sym_htab.
13057 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13058 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13059 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13060 Remove handling of const_rtx_sym_htab.
13061 (find_pool_constant): Delete.
13062 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13063 rather than find_pool_constant.
13064 (get_pool_constant_for_function): Delete.
13065 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13066 find_pool_constant.
13067 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13068 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13069 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13070 (SYMBOL_REF_CONSTANT): New macro.
13071 (get_pool_constant_for_function): Delete.
13072 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13073 rather than SYMBOL_REF_DECL.
13074 (i386_pe_mark_dllimport): Likewise.
13075 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13076 rather than SYMBOL_REF_DECL.
13077 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13078 (machopic_indirect_call_target): Likewise.
13080 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13082 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13084 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13086 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13088 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13090 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13092 2006-01-24 David Daney <ddaney@avtrex.com>
13095 * configure.ac (enable_tls): New enable option.
13096 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13097 * configure: Regenerate.
13098 * doc/install.texi (--enable-tls): Document new option.
13099 (--disable-tls): Ditto.
13101 2006-01-24 Richard Henderson <rth@redehat.com>
13103 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13104 * alias.c (true_dependence): Respect it.
13105 (canon_true_dependence, write_dependence_p): Likewise.
13106 * builtins.c (get_builtin_sync_mem): Set it.
13108 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13110 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13113 2006-01-24 DJ Delorie <dj@redhat.com>
13115 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13116 for storing constants in single-bit bitfields.
13118 2006-01-25 Ben Elliston <bje@au.ibm.com>
13120 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13122 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13125 * tree-ssa-pre.c (phi_translate): Return NULL
13126 for AGGREGATE_TYPE's.
13128 2006-01-24 Zack Weinberg <zackw@panix.com>
13130 * genautomata.c (process_state_for_insn_equiv_partition):
13131 Use xcalloc for insn_arcs_array.
13132 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13133 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13135 2006-01-24 Richard Henderson <rth@redhat.com>
13137 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13138 update all callers.
13140 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13142 PR rtl-optimization/25890
13143 PR rtl-optimization/25905
13144 * combine.c (expand_compound_operation, expand_field_assignment):
13145 Fail if the bitfield's final position is out of bounds.
13147 2006-01-24 Ian Lance Taylor <ian@airs.com>
13149 PR middle-end/25930
13150 * cgraphunit.c (cgraph_output_in_order): Don't clear
13151 cgraph_asm_nodes until after asm strings have been output.
13153 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13155 * fix-header.c (read_scan_file): Add new parameter imultilib when
13156 calling register_include_chains.
13158 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13160 * omp-low.c: Update documentation.
13162 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13163 Daniel Berlin <dberlin@dberlin.org>
13167 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13168 return from the function.
13170 2006-01-22 Zack Weinberg <zackw@panix.com>
13172 * rtl.def (match_code): Add second argument.
13173 * genpreds.c (write_extract_subexp): New function.
13174 (write_match_code): Add path argument. Use write_extract_subexp.
13175 (write_predicate_expr): Pass path to write_match_code.
13176 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13177 not perform a mode test.
13178 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13179 a subexpression does not constrain the top-level code set.
13180 * read-rtl.c (read_rtx_variadic): New function.
13181 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13182 * doc/md.texi: Document new notation.
13183 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13184 (cmpsi_operand): ... here, using new notation.
13186 2006-01-22 Zack Weinberg <zackw@panix.com>
13188 * varray.c: Remove GENERATOR_FILE #ifdefs.
13190 2006-01-22 Zack Weinberg <zackw@panix.com>
13192 * genautomata.c (output_reserved_units_table): Emit nothing if
13193 description->query_units_num is zero. Remove extra blank line.
13194 (output_cpu_unit_reservation_p): Short circuit
13195 if description->query_units_num is zero.
13197 2006-01-22 Zack Weinberg <zackw@panix.com>
13199 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13200 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13201 nor any of the random handful of variables that used to be necessary
13202 when this program was linked with rtlanal.o. Prune set of forward
13203 function declarations.
13204 (struct attr_desc): Remove static_p field.
13205 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13206 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13207 (attr_string): Do not read the character one past the length of
13209 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13210 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13211 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13212 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13213 (make_automaton_attrs): New.
13214 (main): Do not call into genautomata. Call local gen_bypass
13215 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13216 Remove special case for insn_alts.
13217 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13218 varray.h (leftover from previous change). Prune set of forward
13219 function declarations. Remove state_alts fields from all
13220 structures. Remove state_alts_table from struct automaton.
13221 Make everything except main static. Do not maintain num_dfa_decls.
13222 Do not maintain state_alts fields of various structures.
13223 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13224 (add_arc): Remove state_alts argument. All callers updated.
13225 (output_reserved_units_table): Emit #ifdef here...
13226 (output_tables): ...not here. Don't generate state_alts tables.
13227 (expand_automata): Don't generate attributes.
13228 (write_automata): Don't generate state_alts functions.
13229 (main): New function.
13230 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13231 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13232 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13233 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13234 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13235 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13236 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13237 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13239 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13240 * genattrtab.h: Delete file.
13241 * Makefile.in (OBJS-common): Add insn-automata.o.
13242 (insn-automata.o): New rule.
13243 (simple_generated_c): Add insn-automata.c.
13244 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13245 (genprogmd): Add automata.
13246 (build/genattrtab): Needs no extra objects nor libraries.
13247 (build/genautomata): Needs build/vec.o and -lm.
13249 2006-01-22 Zack Weinberg <zackw@panix.com>
13251 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13252 (output_dfa_max_issue_rate, locked_states_num): Delete.
13253 (struct automaton): Add locked_states field.
13254 (output_dead_lock_vect): Save number of locked states in
13255 automaton->locked_states. If it is zero, don't print anything.
13256 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13257 (output_internal_dead_lock_func): Only test the dead_lock_vect
13258 for automata that have locked states.
13259 (output_statistics): Always print the number of locked states for
13260 each automaton. Calculate total number of locked states here.
13261 (write_automata): Don't call output_dfa_max_issue_rate.
13262 * genattrtab.c: Define length_unit_log as a const variable.
13263 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13264 max_insn_queue_index const.
13265 * final.c (length_unit_log): Declare const.
13266 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13268 2006-01-22 Zack Weinberg <zackw@panix.com>
13270 * genautomata.c: Include vec.h, not varray.h.
13271 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13272 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13273 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13274 VEC_* macros operating on appropriately typed vectors, or to
13275 malloced arrays when the size is known in advance. Const-ify
13276 many char* variables and function arguments. No functional changes.
13277 * Makefile.in (build/varray.o): Delete rule.
13278 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13279 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13281 2006-01-22 Zack Weinberg <zackw@panix.com>
13283 * gensupport.c: Define get_insn_name and record_insn_name here.
13284 (read_md_rtx): Call record_insn_name as appropriate.
13285 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13286 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13287 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13289 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13290 (BUILD_VARRAY): Delete.
13291 (genprognormal): Rename genprogmd. Fold in all programs from
13292 genprognoprint; also attrtab.
13293 (build/genattrtab): Just mention genautomata.o and varray.o.
13294 Reorganize a bit, add comments to make the categories clearer.
13296 2006-01-22 Zack Weinberg <zackw@panix.com>
13298 * genconditions.c (condition_table, add_condition): Delete.
13299 (write_conditions): Don't emit n_insn_conditions nor
13300 insn_elision_unavailable. Issue the gcc version #ifdef here,
13301 inside the table, with no #else clause ...
13302 (write_header): ...not here.
13303 (write_writer): New function.
13304 (main): Don't initialize condition_table. Use add_c_test.
13306 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13307 files on the command line.
13308 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13309 Return -1 if there is no entry in the table, don't abort.
13310 (add_c_test, traverse_c_tests): New functions.
13311 * gensupport.h (insn_elision_unavailable, insn_conditions)
13312 (n_insn_conditions): Delete declarations.
13313 (add_c_test, traverse_c_tests): Declare.
13314 * read-rtl.c: Include gensupport.h.
13315 (read_conditions): New function.
13316 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13317 (read_rtx_1): If we get EOF when we were looking for an initial
13318 open paren, return 0. Call read_conditions when appropriate.
13319 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13320 dummy-conditions.o. Eliminate references to insn-conditions.o,
13321 or change them to build/gencondmd.o, as appropriate. Remove
13322 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13323 from $(simple_generated_c). For all files remaining in those
13324 two lists, add insn-conditions.md to the generator command line.
13325 Give insn-constants.h/s-constants their own rules. Add rules
13326 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13327 (build/read-rtl.o): Depend on gensupport.h.
13328 (genprognormal): Include preds.
13329 (genprogearly): Rename genprognoprint; only difference is now that
13330 they don't link with $(BUILD_PRINT).
13331 * dummy-conditions.c: Delete.
13333 2006-01-22 Zack Weinberg <zackw@panix.com>
13335 * genextract.c: Don't include insn-config.h. Do include vec.h.
13336 Declare vectors of int, char, and locstr.
13337 (locstr): New typedef.
13338 (struct extraction): Make all array fields into bare pointers.
13339 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13340 (insn_code_number): Delete.
13341 (accum_extract): New struct.
13342 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13343 (gen_insn): Take insn_code_number as an argument. Use an
13344 accum_extract structure instead of loading data directly into
13345 a struct extraction, and having to know how big it might get.
13346 (walk_rtx): Operate entirely on an accum_extract structure.
13347 (print_path): Avoid unnecessary use of printf.
13348 (print_header): New function, split out of main. Distinguish
13349 more carefully between an unrecognizable insn and an insn that
13350 has the code number of a define_expand.
13351 (main): Pass insn_code_number to gen_insn. Call print_header
13352 only after parsing. Avoid unnecessary use of printf.
13353 * Makefile.in (build/vec.o): New rule.
13354 (build/genextract): Depend on build/vec.o.
13355 (build/genextract.o): Don't depend on insn-config.h.
13357 2006-01-22 Zack Weinberg <zackw@panix.com>
13359 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13360 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13361 practical. Eliminate per-generator-program link rules.
13363 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13365 PR middle-end/24437
13366 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13367 with a call expr to ...
13368 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13370 2006-01-23 Richard Guenther <rguenther@suse.de>
13372 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13373 before make_edge with conditional EDGE_TRUE_VALUE.
13375 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13376 Jan Hubicka <jh@suse.cz>
13377 Richard Guenther <rguenther@suse.de>
13379 PR rtl-optimization/25654
13380 * cfgexpand.c (aggregate_contains_union_type): New function.
13381 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13382 for structure variables that contain a union type.
13384 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13386 * gengtype.c (new_structure): Return the structure.
13387 (create_option): Add an extra "next" argument.
13388 (create_field): New function.
13389 (adjust_field_rtx_def): Use create_option and create_field.
13390 Remove a now-unnecessary call to find_structure.
13391 (adjust_field_tree_def): Likewise.
13392 (note_yacc_type): Remove an unnecessary call to find_structure.
13393 * gengtype.h (new_structure): Return the structure.
13394 (create_option): Add an extra argument.
13395 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13396 (option): Adjust calls to create_option.
13398 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13400 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13402 2006-01-22 Paul Brook <paul@codesourcery.com>
13403 Peter Barada <peter@the-baradas.com>
13405 * config/m68k/m68k.md: Add Coldfire FPU support.
13406 Define FP mode macro and associated attributes.
13407 Use it for float mode patterns.
13408 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13409 (LIBCALL_VALUE): Use m68k_libcall_value.
13410 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13411 (m68k_function_value): Ditto.
13412 (emit_move_sequence): Ditto.
13413 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13414 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13415 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13416 (MULTILIB_EXCEPTIONS): Ditto.
13417 * config/m68k/m68k.opt: Add mcfv4e.
13418 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13419 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13420 (m68k_output_function_prologue): Save ColdFire FPU registers.
13421 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13422 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13423 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13424 ColdFire FPU registers.
13425 (m68k_libcall_value, m68k_function_value): New functions.
13426 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13427 (LIBCALL_VALUE): Use m68k_libcall_value.
13428 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13429 (MASK_COLDFIRE): Add MASK_CFV4E.
13430 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13431 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13432 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13433 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13434 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13435 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13436 * doc/invoke.tex: Document -mcfv4e on m68k.
13438 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13440 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13443 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13446 * c-opts.c (c_common_handle_option): Don't include
13447 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13448 * doc/invoke.texi (C++ Dialect Options): Document that
13449 -Wnon-virtual-dtor is no longer included in -Wall.
13451 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13453 * gcov.c (print_version), gcov-dump.c (print_version),
13454 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13457 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13459 * df-scan.c (problem_SCAN): Added NULL reset function.
13460 (df_scan_reset_blocks): Added code to call reset block function
13461 (df_bb_refs_delete) Fixed comment.
13462 (df_insn_refs_delete): Made tolerant of deleting non existent info
13463 for dataflow problems that need to be reset.
13464 * df-core.c (df_set_blocks): Ditto.
13465 * df.h (struct df_problem): Added reset_fun.
13466 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13467 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13468 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13469 functions to clear out all references to def-use or use-def chains.
13471 2006-01-21 Ben Elliston <bje@au.ibm.com>
13473 * varasm.c (assemble_real): Initialise data array.
13475 2006-01-20 Paul Brook <paul@codesourcery.com>
13477 Merge from csl-arm-branch.
13478 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13479 * config/arm/arm.md (movdi): Force operands[1] to a register
13480 if we have a non-register source.
13481 (*arm_movdi, *movdf_soft_insn): Require that one of the
13482 operands be a register.
13483 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13484 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13486 2006-01-20 DJ Delorie <dj@redhat.com>
13488 * varasm.c (initializer_constant_valid_p): Allow pointers
13489 initialized from integer constants of lesser precision.
13490 (output_constant): Allow non-int-sized pointer modes to be
13491 initialized from integer constants.
13493 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13496 * cppdefault.h (struct default_include): Add multilib flag.
13497 * cppdefault.c (cpp_include_defaults): Set it.
13498 * c.opt (-imultilib): New option.
13499 * c-opts.c (imultilib): New.
13500 (c_common_handle_option): Handle -imultilib.
13501 (c_common_post_options): Likewise.
13502 * c-incpath.c (add_standard_paths, register_include_chains):
13504 * c-incpath.h (register_include_chains): Add extra parameter.
13505 * gcc.c (do_spec_1): Generate -imultilib option.
13506 (The Specs Language): Update %I description.
13507 (process_command): Update copyright notice.
13508 * doc/cppopts.texi (-imultilib): Document.
13509 * doc/invoke.texi (-imultilib): Include in option summary.
13510 (%I): Update specs documentation.
13512 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13514 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13516 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13518 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13521 2006-01-20 Richard Guenther <rguenther@suse.de>
13522 Steven Bosscher <stevenb.gcc@gmail.com>
13524 PR rtl-optimization/24626
13525 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13526 EDGE_TRUE_VALUE if in RTL mode.
13529 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13530 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13532 2006-01-20 Dirk Mueller <dmueller@suse.com>
13535 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13536 instead of a special NOP marker.
13537 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13538 NOP marker handling.
13539 * c-common.h (empty_body_warning): Add forward declaration.
13540 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13541 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13543 2006-01-20 Paul Brook <paul@codesourcery.com>
13545 * Makefile.in (lang_checks): Keep going if mkdir fails.
13547 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13549 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13550 be able to clean out basic block when not necessary.
13551 (df_scan_free): Fixed to properly delete information if df is
13552 unused before calling df_finish.
13553 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13554 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13556 (df_bb_refs_delete): New function.
13557 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13558 * df-core.c (df_set_blocks): Added code to properly clean out
13559 unused blocks if they are not part of the blocks to consider.
13560 Added additional null check.
13561 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13562 be able to clean out basic block when not necessary
13563 * df.h (df_free_bb_function): Ditto.
13564 (df_bb_refs_delete): New function.
13565 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13566 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13567 basic block parameter to be able to clean out basic block when not
13569 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13570 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13571 Fixed to properly delete information if df is unused before
13574 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13576 PR rtl-optimization/25799
13577 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13578 Corrected confluence operator to remove bits from op2 before oring
13579 with op1 rather than removing bits from op1.
13580 (df_ru_transfer_function): Corrected test on wrong bitmap which
13581 caused infinite loop. Both of these problems were introduced in
13582 the dataflow rewrite.
13584 2006-01-19 DJ Delorie <dj@redhat.com>
13586 * reload1.c (find_reload_regs): Note the details of reload
13587 failures in the dump file.
13588 (spill_failure): Likewise.
13590 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13592 * loop-iv.c: Include df.h and hashtab.h.
13593 (enum iv_grd_result): New enum.
13594 (DF_REF_IV, DF_REF_IV_SET): New macros.
13595 (struct biv_entry): New.
13596 (df, bivs): New global variables.
13597 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13598 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13600 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13601 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13602 analyzed_for_bivness_p, record_biv): New functions.
13603 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13604 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13605 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13607 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13609 (iv_number_of_iterations): Use new interface to iv analysis.
13610 * loop-unroll.c: Do not include varray.h.
13611 (analyze_iv_to_split_insn): Use new interface to iv
13613 * loop-unswitch.c (may_unswitch_on): Ditto.
13614 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13616 (df_bb_modify): Realloc tables to the new index.
13617 (df_find_use): New function.
13618 * df.h (df_find_use): Declare.
13619 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13621 * cfgloop.h (struct rtx_iv): Remove analysed field.
13622 (iv_get_reaching_def): Removed.
13623 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13624 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13625 (loop-iv.o): Add df.h and hashtab.h dependency.
13626 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13628 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13631 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13633 (__floatundisf, __floatundidf): Likewise.
13634 * libgcc2.h (IS_IBM_EXTENDED): Define.
13636 2006-01-19 DJ Delorie <dj@redhat.com>
13638 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13640 2006-01-19 Paul Brook <paul@codesourcery.com>
13642 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13643 as nothrow when unwinding tables are disabled.
13645 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13648 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13649 of bit-field" when in system header.
13651 2006-01-19 DJ Delorie <dj@redhat.com>
13653 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13654 the 16 bit shift limit of the m16c.
13656 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13659 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13660 * config/i386/i386.c (output_set_got): Output the label if we have one
13661 for the TARGET_DEEP_BRANCH_PREDICTION case.
13663 2006-01-19 Jan Hubicka <jh@suse.cz>
13664 H.J. Lu <hongjiu.lu@intel.com>
13665 Evandro Menezes <evandro.menezes@amd.com>
13667 * invoke.texi (generic): Document
13669 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13670 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13671 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13672 (x86_use_incdec, x86_pad_returns): New variables
13673 (TARGET_CPU_DEFAULT_generic): New constant
13674 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13675 (enum processor_type): Add generic32 and generic64.
13676 * i386.md (cpu attribute): Add generic32/generic64
13677 (movhi splitter): Behave sanely when both partial_reg_dependency and
13678 partial_reg_stall are set.
13679 (K8 splitters): Enable for generic as well.
13680 * predicates.md (incdec_operand): Use TARGET_INCDEC
13681 (aligned_operand): Avoid memory mismatch stalls.
13682 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13683 * ppro.md: Enable for generic32
13684 * i386.c (generic64_cost, generic32_cost): New.
13685 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13686 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13687 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13688 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13689 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13690 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13691 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13692 x86_accumulate_outgoing_args, x86_prologue_using_move,
13693 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13694 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13695 Enable for generic.
13696 (x86_use_incdec, x86_pad_returns): New.
13697 (override_options): Add generic32 and generic64, translate "generic"
13698 to generic32/generic64 and "i686" to "generic32", refuse
13699 "generic32"/"generic64" as arch target.
13700 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13701 (ix86_reorg): Honor PAD_RETURNS.
13703 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13705 * tree-pretty-print.c (dump_generic_node): Handle
13706 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13707 * cgraph.c (cgraph_expand_queue): Rename from
13708 cgraph_analyze_queue. Update all users.
13709 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13710 cgraph_expand_queue.
13711 (cgraph_expand_all_functions): Likewise.
13712 (cgraph_finalize_pending_functions): Remove. Update callers.
13714 * tree.h (OMP_DIRECTIVE_P): Define.
13715 (OMP_PARALLEL_FN): Define.
13716 (OMP_PARALLEL_DATA_ARG): Define.
13717 (OMP_SECTIONS_SECTIONS): Define.
13718 * tree-pass.h (pass_expand_omp): Declare.
13719 * omp-low.c (struct omp_region): Declare.
13720 (struct omp_context): Remove fields 'parallel_type',
13721 'parallel_start_ix' and 'parallel_start_additional_args'.
13723 (struct omp_for_data): Rename from struct expand_omp_for_data.
13724 (omp_regions): New static variable.
13725 (root_omp_region): New static variable.
13726 (find_omp_clause): Make static.
13727 (is_in_combined_parallel_ctx): Remove.
13728 (is_combined_parallel): New.
13729 (extract_omp_for_data): Move earlier in the file.
13730 (workshare_safe_to_combine_p): New.
13731 (get_ws_args_for): New.
13732 (determine_parallel_type): Move earlier in the file.
13733 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13735 (omp_copy_decl): Likewise.
13736 (create_omp_child_function): Likewise.
13737 (lookup_omp_region): New.
13738 (dump_omp_region): New.
13739 (debug_omp_region): New.
13740 (debug_all_omp_regions): New.
13741 (new_omp_region): New.
13742 (scan_omp_parallel): If parallel_nesting_level > 1, the
13743 directive is nested within another parallel directive.
13744 Set OMP_PARALLEL_FN.
13745 (scan_omp_for): Do not try to handle combined parallel+for
13747 Remove FIXME comment.
13748 (scan_omp_nested): Remove.
13749 (scan_omp_1): Do not call scan_omp_nested when
13750 parallel_nesting_level is > 1.
13751 Do not change the DECL_CONTEXT of local variables found.
13752 (lookup_decl_in_outer_ctx): New.
13753 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13754 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13755 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13756 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13757 If CTX is nested, lookup VAR in the outer context when
13758 building copy assignment.
13759 (lower_send_clauses): Rename from expand_send_clauses.
13760 If CTX is nested, lookup VAR in the outer context when
13761 building copy assignments.
13762 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13763 If CTX is nested, lookup VAR in the outer context when
13764 building copy assignments.
13765 (expand_parallel_call): Rename from build_parallel_call.
13766 Handle combined parallel+workshare cases.
13767 Re-implement to emit code into the CFG.
13769 (expand_omp_parallel): Re-implement to emit code into the CFG.
13770 Call move_sese_region_to_fn to outline the sub-graph
13771 containing the parallel region.
13772 (expand_omp_for_1): Remove.
13773 (expand_omp_for_generic): Re-implement to emit code into the
13775 (expand_omp_for_static_nochunk): Likewise.
13776 (expand_omp_for_static_chunk): Likewise.
13777 (expand_omp_for): Likewise.
13778 (expand_omp_sections): Likewise.
13779 (remove_exit_barriers): New.
13780 (expand_omp_synch): New.
13782 (build_omp_regions_1): New.
13783 (build_omp_regions): New.
13784 (execute_expand_omp): New.
13785 (gate_expand_omp): New.
13786 (pass_expand_omp): Define.
13787 (lower_omp_sections): Rename from expand_omp_sections.
13788 Set OMP_SECTIONS_SECTIONS.
13789 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13790 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13791 (lower_omp_single): Rename from expand_omp_simple.
13792 (lower_omp_master): Rename from expand_omp_master.
13793 (lower_omp_ordered): Rename from expand_omp_ordered.
13794 (lower_omp_critical): Rename from expand_omp_critical.
13795 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13796 (lower_omp_for): Re-implement.
13797 (lower_omp_parallel): Re-implement.
13798 (lower_regimplify): Rename from expand_regimplify.
13799 (lower_omp_1): Rename from expand_omp_1.
13800 If there are syntax errors in the program, replace every
13801 OpenMP directive with NOP.
13802 Call lower_omp_* instead of expand_omp_*.
13803 (lower_omp): Rename from expand_omp.
13805 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13806 * tree-gimple.h (enum omp_parallel_type): Remove.
13807 (gimple_boolify): Declare extern.
13808 (find_omp_clause, determine_parallel_type): Remove.
13810 * gimple-low.c (lower_omp_directive): New.
13811 (lower_stmt): Call it.
13812 (record_vars_into): Move from ...
13813 (record_vars): ... here.
13814 Call record_vars_into with current_function_decl.
13816 * gimplify.c (struct gimplify_ctx): Remove fields
13817 combined_pre_p and combined_ctxp. Update users.
13818 (get_formal_tmp_var): Add documentation.
13819 (gimple_boolify): Make extern.
13820 (gimplify_expr_in_ctx): Remove. Update callers.
13821 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13822 will always be a BIND_EXPR.
13823 (gimplify_expr): Handle OMP_RETURN_EXPR.
13824 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13825 (OMP_PARALLEL): Add 3 operands.
13826 (OMP_SECTIONS): Add 1 operand.
13827 (OMP_RETURN_EXPR): Define.
13829 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13830 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13831 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13832 creating a circular free list.
13833 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13835 * tree-flow.h (move_sese_region_to_fn): Declare.
13836 (record_vars_into): Declare.
13837 * tree-cfg.c (make_omp_sections_edges): New.
13838 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13839 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13840 OMP_SECTIONS and OMP_SECTION.
13841 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13842 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13843 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13844 (gather_blocks_in_sese_region): New.
13845 (struct move_stmt_d): Declare.
13846 (move_stmt_r): New.
13847 (move_block_to_fn): New.
13848 (move_sese_region_to_fn): New.
13850 * passes.c (init_optimization_passes): Schedule
13851 pass_expand_omp after pass_init_datastructures.
13853 * tree-ssa-operands.c (get_expr_operands): Handle
13854 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13855 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13857 2006-01-19 Jeff Law <law@redhat.com>
13859 * tree-vrp.c (extract_range_from_assert): Refine the result range
13860 if the variable referenced by the ASSERT_EXPR has a range and
13861 either the tentative result range or the previous range is a
13864 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13866 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13868 2006-01-19 Jan Hubicka <jh@suse.cz>
13870 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13872 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13874 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13875 (expand_compound_operation, expand_field_assignment): Fail if the
13876 bit lengths of an extract operation are out of range.
13877 (make_extraction): Compute wanted_inner_mode based on the position
13878 and length of the extraction. Make it extraction_mode for non-constant
13879 positions, and do not modify offset in that case. When generating a
13880 new MEM, use a mode that can hold the extraction while keeping correct
13881 alignment. Remove code that supported MEMs wrapped by USEs.
13882 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13884 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13886 * config/s390/s390.md ("Y", "y"): New mode attribute.
13887 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13888 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13889 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13890 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13891 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13892 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13893 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13894 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13895 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13896 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13897 "addsi3", "subsi3"): Insn patterns removed.
13898 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13899 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13900 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13901 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13902 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13903 "*sub<mode>3_cconly2"): New insn patterns.
13904 ("addsi3", "subsi3"): New expanders.
13906 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13908 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13909 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13910 existing STMT_VINFO_VECTYPE if available.
13911 (vect_mark_relevant): Add special handling for stmts that are
13912 marked as STMT_VINFO_IN_PATTERN_P.
13913 (vect_analyze_loop): Call vect_pattern_recog.
13914 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13915 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13917 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13918 (vect_recog_func_ptr): New function-pointer type.
13919 * tree-vect-patterns.c: New file.
13920 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13921 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13922 (vect_pattern_recog_1): New functions.
13923 (vect_pattern_recog_funcs): New array of function pointers.
13925 * tree-vectorizer.h (ternary_op): New enum value.
13926 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13927 declaration. Revised documentation. Removed redundant dump prints.
13928 Removed redundant argument. Added support for reduction patterns.
13929 (vectorizable_reduction): Added support for reduction patterns.
13930 (vect_transform_stmt): Added support for patterns.
13932 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13933 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13934 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13935 (expand_widen_pattern_expr): New function.
13936 (init_optabs): Initialize new optabs udot_prod_optab,
13938 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13939 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13940 (expand_widen_pattern_expr): New function declaration.
13941 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13943 * tree-inline.c (estimate_num_insns_1): Added cases for new
13944 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13945 * tree-pretty-print.c (dump_generic_node): Likewise.
13946 (op_prio): Likewise.
13947 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13948 * tree-ssa-operands.c (get_expr_operands): Added case for
13950 * tree-vect-patterns.c (widened_name_p): New function.
13951 (vect_recog_dot_prod_pattern): Added function implementation.
13952 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13953 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13954 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13955 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13957 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13958 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13959 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13960 (init_optabs): Initialize new optabs widen_ssum_optab,
13962 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13963 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13964 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13965 use instead of type of def.
13966 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13967 function implementation.
13968 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13969 widen_ssumv8hi): New.
13971 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13974 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13977 * c-decl.c (add_flexible_array_elts_to_size): New function.
13978 (finish_decl): Use it.
13980 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13982 * diagnostic.h: Include options.h.
13983 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13984 dependancies for diagnostic.h.
13985 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13987 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13989 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13990 (ssa_ro_call_cache_valid): Ditto.
13991 * tree-ssa-alias.c (sort_tags_by_id): New function.
13992 (init_transitive_clobber_worklist): Ditto.
13993 (add_to_worklist): Ditto.
13994 (mark_aliases_call_clobbered): Ditto.
13995 (compute_tag_properties): Ditto.
13996 (set_initial_properties): Ditto.
13997 (compute_call_clobbered): Ditto.
13998 (compute_may_aliases): Call compute_call_clobbered and grouping.
13999 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14000 (compute_flow_insensitive_aliasing): Grouping now happens in our
14002 (setup_pointers_and_addressables): Remove clobbering related code.
14003 (add_may_alias): Ditto.
14004 (replace_may_alias): Ditto.
14005 (get_nmt_for): Ditto.
14006 (create_global_var):
14007 (is_escape_site): Return an escape_type enumeration.
14008 * tree-flow-inline.h (is_call_clobbered): Global var does not
14009 imply call clobbered.
14010 (mark_call_clobbered): Take a reason for marking this. Remove
14011 marking of globalness, and cache invalidation.
14012 (clear_call_clobbered): Remove cache invalidation code.
14013 * tree-dfa.c (dump_variable): If details is on, dump the reason
14015 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14017 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14018 (struct var_ann_d): Ditto.
14019 (enum escape_type): New.
14020 (mark_call_clobbered): Adjust prototype.
14021 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14022 are never call clobbered.
14023 Record reasons for escaping.
14024 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14025 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14026 (ssa_ro_call_cache_valid): Ditto.
14027 (clobbered_v_may_defs): Ditto.
14028 (clobbered_vuses): Ditto.
14029 (ro_call_vuses): Ditto.
14030 (clobber_stats): New.
14031 (init_ssa_operands): Zero out clobber stats.
14032 (fini_ssa_operands): Print out clobber stats.
14033 (get_call_expr_operands): Pass callee fndecl to
14034 add_call_read_ops).
14035 (add_call_clobber_ops): Remove use of cache.
14036 Add use of PURE_CONST information.
14037 (add_call_read_ops): Remove use of cache.
14038 Add use of static not_read information.
14040 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14042 Introduce TLS descriptors for i386 and x86_64.
14043 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14044 (TARGET_ANY_GNU_TLS): New macro.
14045 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14046 (struct machine_function): Add tls_descriptor_call_expanded_p.
14047 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14048 (ix86_current_function_calls_tls_descriptor): Likewise.
14049 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14050 (override_options): Introduce gnu2 tls dialect.
14051 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14053 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14055 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14056 (ix86_init_machine_status): Initialize new field.
14057 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14058 (ix86_tls_module_base): New.
14059 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14060 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14061 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14062 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14063 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14064 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14065 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14066 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14067 * config/i386/predicates.md (tls_modbase_operand): New.
14068 (tp_or_register_operand): New.
14070 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14072 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14073 (look_for_address_of): Ditto.
14074 (ipa_init): Walk the function decls.
14075 (static_execute): Don't set readonly on FUNCTION_DECL's.
14077 2006-01-18 Roger Sayle <roger@eyesopen.com>
14079 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14080 for shifts where the source and destination registers are different.
14082 2006-01-18 Paul Brook <paul@codesourcery.com>
14084 Merge from csl-arm-branch.
14085 2005-03-14 Julian Brown <julian@codesourcery.com>
14086 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14087 (aeabi_llsl): Likewise.
14088 (ashrdi3): Likewise.
14089 (aeabi_lasr): Likewise.
14090 (lshrdi3): Likewise.
14091 (aeabi_llsr): Likewise.
14092 2005-03-10 Julian Brown <julian@codesourcery.com>
14093 * config.gcc: Disable shared libgcc for SymbianOS.
14094 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14096 2006-01-18 DJ Delorie <dj@redhat.com>
14098 * c-pragma.c (handle_pragma_diagnostic): New.
14099 (init_pragma): Register it.
14100 * doc/extend.texi: Document it.
14102 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14103 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14104 (diagnostic_context): Add classify_diagnostic[].
14105 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14106 as errors if they're overridden to DK_WARNING.
14107 (diagnostic_initialize): Initialize classify_diagnostic[].
14108 (diagnostic_set_kind_override): New.
14109 (diagnostic_report_diagnostic): Check for kind changes.
14110 * opts.c (common_handle_option): Take lang_mask. Update callers.
14111 Handle OPT_Werror_.
14112 * common.opt (Werror=): New.
14113 * doc/invoke.texi: Document -Werror=*
14115 2006-01-18 Jeff Law <law@redhat.com>
14117 * tree-vrp.c (test_for_singularity): Correct test for new
14118 min limit. Use operand_equal_p rather than pointer equality
14119 for testing if new min/max values are equal.
14121 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14122 using range information until after propagation and folding.
14124 2006-01-18 Richard Henderson <rth@redhat.com>
14125 Aldy Hernandez <aldyh@redhat.com>
14126 Jakub Jelinek <jakub@redhat.com>
14127 Diego Novillo <dnovillo@redhat.com>
14129 * omp-low.c: New file.
14130 * c-omp.c: New file.
14132 2006-01-18 Richard Henderson <rth@redhat.com>
14133 Jakub Jelinek <jakub@redhat.com>
14134 Diego Novillo <dnovillo@redhat.com>
14136 * doc/invoke.texi: Document -fopenmp.
14137 * tree-dump.h (debug_function): Declare.
14138 * hooks.c (hook_bool_tree_bool_false): New function.
14139 (hook_tree_tree_null): Remove.
14140 (hook_tree_tree_tree_null): New.
14141 * hooks.h: Update to match.
14142 * tree-pretty-print.c (debug_tree_chain): New.
14143 (print_generic_expr): Handle TDF_CHAIN.
14144 (dump_generic_node): Handle BLOCK.
14145 Do not abort with incomplete SWITCH_EXPRs.
14146 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14147 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14148 print space after directive name.
14149 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14150 Handle OMP_MASTER and OMP_ORDERED.
14151 Handle printing of OMP_BODY just in one place, goto
14152 dump_omp_body in the rest of OMP_* nodes that have
14154 Don't handle clause nodes here. Update omp statements to
14155 use dump_omp_clauses.
14156 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14157 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14158 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14159 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14160 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14161 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14162 Adjust output for GOMP_PARALLEL.
14163 (dump_omp_clauses): New.
14164 (print_declaration): Dump DECL_VALUE_EXPR.
14165 (op_symbol_1): Split out of op_symbol.
14166 (dumping_stmts): Remove. Update all users.
14167 * cgraph.c (cgraph_analyze_queue): New.
14168 (cgraph_add_new_function): New.
14169 * cgraph.h (cgraph_analyze_queue): Declare.
14170 (cgraph_add_new_function): Declare.
14171 (cgraph_lower_function): Remove.
14172 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14173 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14174 and TYPE_P nodes in its default clause.
14175 (empty_body_p): New.
14176 (tree_range_check_failed): New.
14177 (build5_stat): New.
14178 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14179 OMP_CLAUSE_REDUCTION_MERGE,
14180 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14181 OMP_CLAUSE_PRIVATE_DEBUG,
14182 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14183 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14184 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14185 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14186 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14187 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14188 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14189 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14190 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14191 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14192 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14193 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14194 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14195 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14196 (TREE_RANGE_CHECK): New.
14197 (empty_body_p): Declare.
14198 (enum omp_clause_default_kind): New.
14199 (build_string_literal): Declare.
14200 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14201 (build5_stat, build5): Declare.
14202 * tree-pass.h (TDF_CHAIN): Define.
14203 * tree-pass.h (PROP_gimple_lomp): Define.
14204 (pass_lower_omp): Declare.
14205 * diagnostic.h (debug_tree_chain): Declare.
14206 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14208 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14209 * builtins.c (build_string_literal): Make extern.
14210 * gcc.c (include_spec_function): New.
14211 (static_spec_functions): Add it.
14212 (main): Move load of libgomp.spec ...
14213 (LINK_COMMAND_SPEC): ... here.
14214 (link_gomp_spec): New.
14215 (static_specs): Include it.
14216 (LINK_COMMAND_SPEC): Add link_gomp.
14217 (GOMP_SELF_SPECS): New.
14218 (driver_self_specs): Include it.
14219 (switch_matches): Don't mark inline.
14220 (main): Load libgomp.spec.
14221 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14222 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14223 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14224 * tree-gimple.h (enum omp_parallel): Declare.
14225 (determine_parallel_type): Declare.
14226 (omp_firstprivatize_variable): Declare.
14227 (omp_reduction_init): Declare.
14228 (diagnose_omp_structured_block_errors): Declare.
14229 (struct walk_stmt_info): Add want_return_expr.
14230 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14231 (find_omp_clause): Declare.
14232 (insert_field_into_struct): Declare.
14233 (struct walk_stmt_info): Move from tree-nested.c
14234 (walk_stmts): Declare.
14235 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14237 * cgraphunit.c (cgraph_lower_function): Make static.
14238 (cgraph_finalize_pending_functions): New.
14239 (cgraph_finalize_function): Call it.
14240 (cgraph_finalize_compilation_unit): Likewise.
14241 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14242 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14243 (BT_FN_UINT_UINT): New.
14244 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14245 DEF_FUNCTION_TYPE_VAR_4): Document.
14246 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14247 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14248 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14249 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14250 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14251 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14252 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14253 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14254 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14255 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14256 into separate files.
14257 (DEF_GOMP_BUILTIN): New.
14258 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14259 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14260 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14261 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14262 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14263 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14264 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14265 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14266 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14267 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14268 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14269 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14270 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14271 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14272 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14273 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14274 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14275 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14276 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14277 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14278 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14279 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14280 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14281 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14282 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14283 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14284 * sync-builtins.def: New file, moved from builtins.def.
14285 * omp-builtins.def: New file, moved from builtins.def.
14286 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14287 * gimple-low.c (lower_function_body): Clear data.
14288 (lower_stmt): Do not handle COMPOUND_EXPR.
14289 Remove call to print_node_brief.
14290 * c-tree.h (c_finish_omp_clauses): New prototype.
14291 (C_DECL_THREADPRIVATE_P): Define.
14292 (lookup_name_no_remap, c_omp_remap_private): Remove
14293 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14294 (check_for_loop_decls): Update decl.
14295 (lookup_name_no_remap, c_omp_remap_private): Declare.
14296 (build_indirect_ref, build_modify_expr, pushdecl,
14297 pushdecl_top_level): Move to c-common.h.
14298 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14299 before the switch, but just in the 2 places that need it.
14300 * c-decl.c (diagnose_mismatched_decls): Do not check for
14301 mismatched thread-local attributes when OLDDECL is marked
14302 threadprivate and NEWDECL has no thread-local attributes.
14303 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14304 (c_gimple_diagnostics_recursively): Rename from
14305 c_warn_unused_result_recursively. Invoke
14306 diagnose_omp_structured_block_errors.
14307 (check_for_loop_decls): Return a singular decl found.
14308 * langhooks.c (lhd_omp_predetermined_sharing): Return
14309 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14310 (lhd_omp_firstprivatize_type_sizes): New.
14311 (lhd_omp_assignment): New.
14312 (lhd_omp_predetermined_sharing): New.
14313 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14314 (struct lang_hooks_for_types): Add
14315 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14316 omp_predetermined_sharing, omp_disregard_value_expr,
14317 omp_private_debug_clause, omp_clause_default_ctor,
14318 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14319 (c_finish_omp_clauses): New.
14320 (c_finish_bc_stmt): Diagnose break within omp for.
14321 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14322 (build_unary_op): Return error_mark after reporting
14324 (build_modify_expr): Likewise.
14325 * gimplify.c: Include optabs.h and pointer-set.h.
14326 (enum gimplify_omp_var_data): Declare.
14327 (struct gimplify_omp_ctx): Declare.
14328 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14330 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14331 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14332 (splay_tree_compare_decl_uid): New.
14333 (new_omp_context): New.
14334 (delete_omp_context): New.
14335 (gimple_add_tmp_var): Call omp_add_variable.
14336 (gimplify_bind_expr): Likewise.
14337 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14338 true, disregard DECL_VALUE_EXPR on the decl if any.
14339 (gimplify_expr_in_ctx): New.
14340 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14341 omp_add_variable, omp_notice_variable, omp_is_private
14342 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14343 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14344 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14345 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14346 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14347 gimplify_omp_atomic): New.
14348 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14349 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14350 OMP_CRITICAL and OMP_ATOMIC.
14351 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14352 * c-pragma.h (enum pragma_kind): Add
14353 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14354 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14355 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14356 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14357 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14358 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14359 PRAGMA_OMP_THREADPRIVATE.
14360 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14361 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14362 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14363 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14364 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14365 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14366 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14367 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14368 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14369 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14370 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14371 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14372 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14374 (struct nesting_info): Add field_map,
14375 suppress_expansion, debug_var_chain.
14376 (create_nesting_tree): Initialize them.
14377 (lookup_field_for_decl): Use field_map.
14378 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14379 (convert_local_omp_clauses): New.
14380 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14381 (walk_body): Split out of walk_function.
14382 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14383 (convert_nonlocal_reference): Handle omp statements.
14384 (convert_local_reference): Likewise.
14385 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14386 (unnest_nesting_tree): New.
14387 (lower_nested_functions): Call it.
14388 (insert_field_into_struct): Make extern.
14389 (struct walk_stmt_info): Move to tree-gimple.h.
14390 (walk_stmts): Make extern.
14391 * omp-builtins.def: New file.
14392 * tree-iterator.c (expr_only): Clarify comment.
14393 * c-common.h (pushdecl_top_level, pushdecl,
14394 build_modify_expr, build_indirect_ref,
14395 c_finish_omp_master, c_finish_omp_critical,
14396 c_finish_omp_ordered, c_finish_omp_barrier,
14397 c_finish_omp_atomic, c_finish_omp_flush,
14398 c_finish_omp_for, c_split_parallel_clauses,
14399 omp_clause_default_kind, c_omp_sharing_predetermined,
14400 c_omp_remap_decl): Declare.
14401 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14402 (OBJS-common): Add omp-low.o.
14403 (c-omp.o, omp-low.o): Add.
14404 (gimplify.o): Add dependency on $(OPTABS_H).
14405 (GTFILES): Add omp-low.c.
14406 (gt-stringpool.h): Add.
14407 * tree-cfg.c (set_bb_for_stmt): Do not update the
14408 block-to-labels map if we are currently expanding to RTL.
14409 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14411 Handle IDENTIFIER_NODE.
14412 (tree_verify_flow_info): Do not ICE when emitting error
14413 messages about invalid labels.
14414 (dump_function_to_file): Reset CFUN before emitting the body
14416 (debug_function): New.
14417 * passes.c (init_optimization_passes): Schedule
14419 * langhooks-def.h (lhd_omp_predetermined_sharing,
14420 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14422 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14423 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14424 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14425 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14426 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14427 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14428 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14429 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14430 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14431 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14432 (LANG_HOOK_DECLS): Use them.
14434 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14435 Richard Henderson <rth@redhat.com>
14436 Jakub Jelinek <jakub@redhat.com>
14437 Diego Novillo <dnovillo@redhat.com>
14439 * c-parser.c (pragma_omp_clause): Define.
14440 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14441 (c_parser_compound_statement): Likewise.
14442 (c_parser_statement): Likewise.
14443 (c_parser_pragma): Handle omp pragmas.
14444 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14445 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14446 (c_parser_omp_clause_name, check_no_duplicate_clause,
14447 c_parser_omp_variable_list,
14448 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14449 c_parser_omp_clause_copyprivate,
14450 c_parser_omp_clause_default,
14451 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14452 c_parser_omp_clause_lastprivate,
14453 c_parser_omp_clause_nowait,
14454 c_parser_omp_clause_num_threads,
14455 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14456 c_parser_omp_clause_reduction,
14457 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14458 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14459 c_parser_omp_atomic, c_parser_omp_barrier,
14460 c_parser_omp_critical, c_parser_omp_flush,
14461 c_parser_omp_for_loop, c_parser_omp_for,
14462 c_parser_omp_master, c_parser_omp_ordered,
14463 c_parser_omp_sections_scope, c_parser_omp_sections,
14464 c_parser_omp_parallel, c_parser_omp_single,
14465 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14466 * c-pragma.c (init_pragma): Do omp pragma registration here.
14467 * c.opt (fopenmp): New flag.
14469 2006-01-18 Eric Christopher <echristo@apple.com>
14471 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14472 * config/darwin.h (GOMP_SELF_SPECS): Define.
14474 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14476 * rtl.h: Remove the prototype for reg_alloc.
14478 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14481 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14482 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14483 sjlj and dwarf2 exception handling.
14484 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14485 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14486 * pa/pa.c (function_value): Treat complex and vector types as
14488 (function_arg): Likewise. Only pass scalar floats in the floating
14489 point argument registers.
14490 * pa/t-slibgcc-dwarf-ver: New file.
14491 * pa/t-slibgcc-sjlj-ver: New file.
14492 * pa/t-slibgcc-elf-ver: Delete file.
14494 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14496 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14497 unlikely_test_section_p test.
14499 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14501 * mode-switching.c (optimize_mode_switching): Make it static.
14502 * basic-block.h: Remove the prototype for
14503 optimize_mode_switching.
14505 * modulo-sched.c (sms_schedule): Make it static.
14506 * rtl.h: Remove the prototype for sms_schedule.
14508 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14509 * rtl.h: Remove the prototype for gcse_after_reload_main.
14511 * reg-stack.c (reg_to_stack): Make it static.
14512 * rtl.h: Remove the prototype for reg_to_stack.
14514 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14516 * rtl.h: Remove the prototypes for regrename_optimize and
14517 copyprop_hardreg_forward.
14519 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14521 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14522 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14523 Test against the appropriate null constant for the mode.
14524 If 'fixup_overlap' is true, swap the operands if they overlap.
14525 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14526 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14527 alpha_split_tmode_pair and adjust for above change.
14528 * config/alpha/alpha.md (movtf_internal): Adjust call to
14529 alpha_split_tfmode_pair and rely on it to swap the operands.
14530 (movti_internal): New insn and post-reload splitter.
14531 (movti): New expander.
14533 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14535 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14538 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14540 * rtlanal.c (global_reg_mentioned_p_1,
14541 global_reg_mentioned_p): Remove.
14542 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14544 * flow.c (initialize_uninitialized_subregs): Make it static.
14545 * rtl.h: Remove the prototype for
14546 initialize_uninitialized_subregs.
14548 * function.c (instantiate_virtual_regs): Make it static.
14549 * function.h: Remove the prototype for
14550 instantiate_virtual_regs.
14552 * regmove.c (regmove_optimize, combine_stack_adjustments):
14554 * rtl.h: Remove the prototypes for regmove_optimize and
14555 combine_stack_adjustments.
14557 2006-01-17 Roger Sayle <roger@eyesopen.com>
14559 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14560 (size_cost): Encode costs in bytes so that a reg-reg addition is
14561 equivalent to COSTS_N_INSNS(1).
14562 (override_options): Use the size_cost.branch_cost as the default
14563 ix86_branch_cost when optimizing for size.
14565 2006-01-18 Ben Elliston <bje@au.ibm.com>
14567 * Makefile.in (D32PBIT_FUNCS): New.
14568 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14569 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14570 D64PBIT_FUNCS and D128PBIT_FUNCS.
14571 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14572 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14574 (decnumber_dep): Define.
14575 * doc/libgcc.texi (Decimal float library routines): New node.
14576 * config/dfp-bit.h, config/dfp-bit.c: New files.
14578 2006-01-18 Ben Elliston <bje@au.ibm.com>
14580 * expr.c (emit_move_change_mode): Always adjust addresses, not
14581 just during reload. Copy replacements only during reload.
14582 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14583 emit_move_via_integer.
14585 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14587 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14588 instead of $(srcdir) and ${srcdir}.
14590 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14593 PR middle-end/11135
14594 * arm.h (struct machine_function): Add pic_reg.
14595 * arm.c (arm_pic_register): Make unsigned.
14596 (arm_override_options): Only set arm_pic_register if
14597 TARGET_SINGLE_PIC_BASE.
14598 (use_return_insn): Only test for a pic register if it is fixed.
14599 (arm_compute_save_reg0_reg12_mask): Likewise.
14600 (thumb_compute_save_reg_mask): Likewise.
14601 (legitimate_pic_operand): Factor out some known invariants.
14602 (legitimize_pic_address): If we don't have a fixed pic register,
14603 then set up a pseudo in the function entry sequence. Handle the
14604 pic base being in a pseudo.
14605 (arm_load_pic_register): Handle the pic register being in a pseudo.
14606 (arm_expand_prologue): Only set up the pic register if it is fixed.
14607 (thumb_expand_prologue): Likewise.
14608 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14609 (pic_load_addr_based_insn): Likewise.
14610 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14613 2006-01-18 Ben Elliston <bje@au.ibm.com>
14615 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14616 decimal float modes for all floating point registers.
14618 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14619 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14621 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14624 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14625 even when the pointer is not NULL.
14627 2006-01-16 Ian Lance Taylor <ian@airs.com>
14629 * common.opt (ftoplevel-reorder): New option.
14630 * cgraph.c (cgraph_asm_nodes): New global variable.
14631 (cgraph_asm_last_node): New static variable.
14632 (cgraph_order): New global variable.
14633 (cgraph_create_node): Set new order field.
14634 (cgraph_varpool_node): Likewise.
14635 (decide_is_variable_needed): Return true if not
14636 flag_toplevel_reorder.
14637 (cgraph_add_asm_node): New function.
14638 * cgraph.h (struct cgraph_node): Add order field.
14639 (struct cgraph_varpool_node): Add order field.
14640 (struct cgraph_asm_node): Define.
14641 (cgraph_asm_nodes, cgraph_order): Declare.
14642 (cgraph_add_asm_node): Declare.
14643 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14645 (cgraph_varpool_assemble_pending_decls): Call it.
14646 (cgraph_output_pending_asms): New static function.
14647 (cgraph_finalize_compilation_unit): Call it.
14648 (struct cgraph_order_sort): Define.
14649 (cgraph_output_in_order): New static function.
14650 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14651 !flag_toplevel_reorder case.
14652 * c-parser.c: Include "cgraph.h".
14653 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14655 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14656 than -fno-unit-at-a-time.
14657 * doc/invoke.texi (Option Summary): Mention
14658 -fno-toplevel-reorder.
14659 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14660 -funit-at-a-time documentation.
14662 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14663 Kazu Hirata <kazu@codesourcery.com>
14665 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14667 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14669 * Makefile.in (FUNCTION_H): New. Use it instead of
14670 function.h throughout the file.
14671 * function.h: Include tree.h.
14673 2006-01-17 Ben Elliston <bje@au.ibm.com>
14675 * recog.c: Separate some functions with whitespace.
14677 2006-01-16 Richard Henderson <rth@redhat.com>
14679 Merge from gomp branch:
14680 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14681 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14682 and rename from struct inline_data. Rename callee* to dst*;
14683 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14684 transform_new_cfg, transform_return_to_modify, and
14685 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14687 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14688 (copy_decl_for_dup): Remove.
14689 * tree-inline.c (struct inline_data): Move to header.
14690 (insert_decl_map): Export.
14691 (remap_decl): Update for member name changes. Use copy_decl hook.
14692 Allow for replacement to be a non-decl. Remove dead code.
14693 (remap_type_1): Check for existing mapping.
14694 (remap_type): Export.
14695 (remap_decls): Update for member name changes.
14696 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14697 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14698 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14699 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14700 (tree_function_versioning, build_duplicate_type): Likewise.
14701 (copy_body_r): Likewise. Export.
14702 (copy_decl_for_dup): Split into ...
14703 (copy_decl_for_dup_finish, copy_decl_to_var,
14704 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14705 (replace_ref_tree, inlining_p): Remove.
14707 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14709 * ifcvt.c (if_convert): Make it static.
14710 * rtl.h: Remove the prototype for if_convert.
14712 * local-alloc.c (local_alloc): Make it static.
14713 * rtl.h: Remove the prototype for local_alloc.
14715 * loop.c (loop_optimize): Make it static.
14716 * cfgloop.h: Remove the prototype for loop_optimize.
14719 2006-01-16 DJ Delorie <dj@redhat.com>
14721 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14724 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14726 * pa.md: Disparage copies between general and floating-point registers
14727 in 32-bit move patterns.
14729 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14732 * Makefile.in (check-%): Depend on site.exp instead of
14733 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14736 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14738 * global.c (global_alloc): Make it static.
14739 * rtl.h: Remove the prototype for global_alloc.
14741 2006-01-16 Richard Guenther <rguenther@suse.de>
14743 * tree-ssa-alias.c (struct used_part): Add write_only field.
14744 (get_or_create_used_part_for): Initialize it to true.
14745 (create_overlap_variables_for): Don't create structure variables
14746 for structures that only are written to.
14747 (find_used_portions): Handle MODIFY_EXPR to track whether a
14748 structure is only written to.
14750 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14752 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14754 * basic-block.h: Remove the prototype for
14755 partition_hot_cold_basic_blocks.
14757 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14759 * cppspec.c (lang_specific_spec_functions): Remove.
14760 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14761 * gcc.h (lang_specific_spec_functions): Remove.
14762 * gccspec.c (lang_specific_spec_functions): Remove.
14764 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14766 * combine.c (record_value_for_reg): Invalidate registers
14768 (record_dead_and_set_regs_1): Likewise, by passing them to
14769 record_value_for_reg.
14770 (record_dead_and_set_regs): Invalidate stores made by a
14771 call. We do not combine across a call, but we still
14772 relied on equivalences.
14774 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14776 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14777 vrp_int_const_binop returning non-constant nodes.
14779 2006-01-16 Paul Brook <paul@codesourcery.com>
14781 * config/m68k/m68k.c (output_move_const_into_data_reg):
14782 Output correct mnemonic for mvz and mvs.
14784 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14786 * rtl-factoring.c: Add sequence abstraction algorithm.
14787 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14788 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14790 (block_has_preserve_label): New function.
14791 * common.opt: Register new pass.
14792 * Makefile.in: Ditto.
14794 * timevar.def: Ditto.
14795 * tree-pass.h: Ditto.
14796 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14797 * rtl.h (make_jump_insn_raw): Add forward decl.
14798 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14800 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14801 Roger Sayle <roger@eyesopen.com>
14803 * fold-const.c (fold_minmax): New static function.
14804 (fold_binary) <MIN_EXPR>: Call it.
14805 <MAX_EXPR>: Likewise.
14806 * stor-layout.c (place_field): Use DECL_SIZE consistently
14807 in the computation of the new record size.
14809 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14811 * cse.c (cse_condition_code_reg): Make it static.
14812 * rtl.h: Remove the prototype for cse_condition_code_reg.
14814 * combine.c (combine_instructions): Make it static.
14815 * rtl.h: Remove the prototype for combine_instructions.
14817 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14820 * tree.c (get_file_function_name_long): Concatenate the first global
14821 object name with a string derived from the input filename of the object
14824 2006-01-16 Ben Elliston <bje@au.ibm.com>
14826 * config/i386/winnt-stubs.c: Update FSF address.
14827 * config/xtensa/ieee754-df.S: Ditto.
14828 * config/xtensa/ieee754-sf.S: Ditto.
14830 2006-01-14 Ian Lance Taylor <ian@airs.com>
14832 * ifcvt.c (noce_init_if_info): New static function, broken out of
14833 noce_process_if_block.
14834 (noce_process_if_block): Call noce_init_if_info.
14835 (check_cond_move_block): New static function.
14836 (cond_move_process_if_block): New static function.
14837 (process_if_block): Call cond_move_process_if_block.
14839 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14841 * cselib.c (hash_table): Rename to cselib_hash_table.
14842 (cselib_clear_table, discard_useless_values,
14843 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14844 cselib_init, cselib_finish): Adjust uses of hash_table.
14846 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14848 PR tree-optimization/25485
14849 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14850 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14851 is known to be false and true, respectively.
14853 2006-01-14 Richard Guenther <rguenther@suse.de>
14855 PR tree-optimization/22548
14856 PR tree-optimization/22555
14857 PR tree-optimization/22501
14858 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14859 * params.def (salias-max-array-elements): New parameter.
14860 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14861 * doc/invoke.texi (salias-max-array-elements): Document.
14862 * tree-flow-inline.h (var_can_have_subvars): We also handle
14864 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14866 * tree-ssa-structalias.c (params.h): Include.
14867 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14868 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14869 (get_constraint_for): For ADDR_EXPR operating on something
14870 containing an ARRAY_REF, add all subvars to the solution.
14871 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14872 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14873 for creating MUST_DEFs.
14874 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14876 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14878 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14880 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14881 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14882 number_of_iterations_le): New functions.
14883 (number_of_iterations_special): Removed.
14884 (number_of_iterations_exit): Do not use number_of_iterations_special.
14885 * tree.c (unsigned_type_for): Always return integer type.
14887 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14888 Richard Guenther <rguenther@suse.de>
14890 PR rtl-optimization/24257
14891 * gcse.c (find_moveable_store): Only consider a store movable
14892 when the SET_SRC of the insn can be assigned to a register.
14894 2006-01-14 Ian Lance Taylor <ian@airs.com>
14896 * tree.c (tree_not_class_check_failed): New function.
14897 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14898 (tree_not_class_check_failed): Declare.
14900 2006-01-13 Ian Lance Taylor <ian@airs.com>
14902 * reload1.c (do_output_reload): Add assertion rejecting a
14905 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14907 * combine.c (struct reg_stat): Add new fields truncation_label and
14909 (record_value_for_reg): Reset truncated_to_mode.
14910 (record_truncated_value): New function.
14911 (check_promoted_subreg): Call it. Rename to check_conversions.
14912 (combine_instructions): Rename check_promoted_subreg to
14914 (reg_truncated_to_mode): New function.
14915 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14916 (gen_lowpart_or_truncate): New function.
14917 (force_to_mode): Use it instead of gen_lowpart.
14919 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14921 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14922 VAR is a tag, not its type tag.
14924 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14926 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14927 alternatives to match style of other entries.
14928 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14930 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14932 PR tree-optimization/25771
14933 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14936 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14939 * tree-inline.c (declare_return_variable): If the return variable
14940 was marked as a non gimple complex, set the return slot variable
14941 to be a non gimple comple variable.
14943 2006-01-13 Richard Guenther <rguenther@suse.de>
14945 * builtins.c (expand_builtin_sincos): New function.
14946 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14948 (expand_builtin): Expand sincos using expand_builtin_sincos.
14950 2006-01-12 DJ Delorie <dj@redhat.com>
14952 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14953 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14954 so that constant shifts can be split.
14955 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14956 (m32c_valid_pointer_mode): Make static.
14957 (shift_gen_func_for): New.
14958 (m32c_prepare_shift): Use it. Split large const shifts into
14960 * config/m32c/predicates.md (shiftcount_operand): Allow more
14962 (longshiftcount_operand): New.
14963 * doc/md.texi (Machine Constraints): Document In6.
14965 2006-01-13 Ben Elliston <bje@au.ibm.com>
14967 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14968 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14971 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14973 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14974 to try to avoid clobbering pieces of structures when we know
14975 something about the whole structure.
14976 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14978 2006-01-13 Ben Elliston <bje@au.ibm.com>
14980 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14981 return in memory, as this is no limitation is no longer present.
14983 2006-01-12 DJ Delorie <dj@redhat.com>
14985 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14986 mova with fb, and for fb+0 -> An.
14988 * config/m32c/mov.md (peephole2): Fix enabling logic.
14990 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14991 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14992 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14993 FINI_ARRAY_SECTION_ASM_OP): Define.
14995 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14997 (m32c_legitimize_reload_address): New logic to reload FB to An.
14998 (m32c_output_reg_push): Add newline.
14999 (m32c_output_reg_pop): Likewise.
15001 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15003 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15005 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15007 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15009 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15011 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15014 2006-01-11 Ben Elliston <bje@au.ibm.com>
15016 * rtlanal.c (find_reg_note): Assert insn is not null.
15018 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15020 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15023 2006-01-11 Jeff Law <law@redhat.com>
15025 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15027 (mark_threaded_blocks, register_jump_thread): New functions.
15028 (thread_through_all_blocks): Remove unwanted argument. No
15029 longer rely on e->aux to communicate thread target info.
15030 Call mark_threaded_blocks. Release the threaded_blocks
15031 bitmap and threaded_edges vector when complete.
15032 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15033 (threaded_blocks): Remove.
15034 (tree_ssa_dominator_optimize): Remove initialization and
15035 finalization of threaded_blocks. Simplify call to
15036 thread_through_all_blocks.
15037 (thread_across_edge): Call register_jump_thread rather than
15038 storing thread information into e->aux.
15039 (free_all_edge_infos): Simplify now that e->aux is no longer
15040 used to communicate with thread_through_all_blocks.
15041 * tree-flow.h (thread_through_all_blocks): Update prototype.
15042 (register_jump_thread): Prototype.
15044 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15046 * df-core.c (df_compact_blocks, df_bb_replace): Use
15047 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15049 2006-01-11 Richard Guenther <rguenther@suse.de>
15051 PR tree-optimization/25734
15052 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15053 stop propagation after successful propagation to the LHS.
15055 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15057 * basic-block.h (control_flow_graph): Change the type of
15058 x_basic_block_info to VEC(basic_block,gc) *.
15059 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15061 (SET_BASIC_BLOCK): New.
15062 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15063 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15064 * cfgbuild.c (find_basic_blocks): Likewise.
15065 * cfglayout.c (fixup_reorder_chain): Likewise.
15066 * cfgrtl.c (create_basic_block_structure,
15067 rtl_create_basic_block): Likewise.
15068 * ifcvt.c (find_if_case_1): Likewise.
15069 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15072 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15074 * Makefile.in: Removed rotted odf.c entry.
15076 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15079 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15080 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15081 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15082 output pattern modifier, not %e.
15083 * config/cris/cris.c (cris_op_str): Update comment about pattern
15085 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15086 before falling through into...
15087 <case 'E'>: Redefined from old 'e' case.
15089 2006-01-11 Jan Hubicka <jh@suse.cz>
15092 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15094 2006-01-11 Jan Hubicka <jh@suse.cz>
15096 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15097 * i386.c (x86_decompose_lea): Kill.
15098 (ix86_rtx_costs): Kill.
15100 2006-01-11 Jan Hubicka <jh@suse.cz>
15102 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15103 * cgraph.h (cgraph_node): Add inline_decl.
15104 (cgraph_insert_node_to_hashtable): Declare.
15105 (save_inline_function_body): Declare.
15106 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15108 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15109 (cgraph_function_versioning): Update call of tree_function_versioning.
15110 (save_inline_function_body): New function.
15111 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15112 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15113 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15114 (cgraph_default_inline_p): Likewise.
15115 (cgraph_decide_inlining_incrementally): Likewise.
15116 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15117 (copy_bb): Kill saving; do updating of clones.
15118 (copy_cfg_body): Kill saving.
15119 (initialize_inlined-parameters): Likewise.
15120 (expand_call_inline): Likewise.
15122 (tree_function_versioning): New parameter "update_clones".
15123 (inlining_p): Kill saving.
15124 * tree-inline.h (tree_function_versioning): Update prototype.
15125 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15128 2006-01-11 Ian Lance Taylor <ian@airs.com>
15130 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15131 Allow undoing set of machine mode.
15132 (do_SUBST): Use enums instead of is_int.
15133 (do_SUBST_MODE): New function.
15134 (SUBST_MODE): New macro.
15135 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15136 reg and trying to replace reg_regno_rtx with a new register.
15137 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15138 (simplify_set): Use SUBST_MODE.
15139 (distribute_notes): Remove code that tried to update reg notes
15140 for regno_reg_rtx changes.
15142 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15144 PR tree-optimization/23109
15145 PR tree-optimization/23948
15146 PR tree-optimization/24123
15148 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15149 * tree-cfg.c (single_noncomplex_succ): New.
15150 * tree-flow.h (single_noncomplex_succ): Declare it.
15151 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15152 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15153 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15154 insert_bb, register_division_in, insert_reciprocals,
15155 replace_reciprocal, free_bb): New.
15156 (execute_cse_reciprocals_1): Rewritten.
15157 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15158 Do not commit any edge insertion. Always compute dominators and
15159 create the allocation pool.
15160 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15161 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15162 * targhooks.c (default_min_divistions_for_recip_mul): New.
15163 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15164 * passes.c (init_optimization_passes): Run recip after tree loop
15166 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15168 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15169 Kenneth Zadeck <zadeck@naturalbridge.com>
15171 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15172 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15173 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15174 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15175 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15176 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15177 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15178 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15179 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15180 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15181 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15182 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15183 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15184 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15185 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15186 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15187 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15188 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15189 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15190 DF_SCAN_POST_ALLOC): New macros.
15191 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15192 df_free_bb_function, df_local_compute_function, df_init_function,
15193 df_dataflow_function, df_confluence_function_0,
15194 df_confluence_function_n, df_transfer_function,
15195 df_finalizer_function, df_free_function, df_dump_problem_function,
15196 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15197 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15198 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15199 df_urec_bb_info, ) New types.
15200 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15202 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15203 df_analyze_simple_change_some_blocks,
15204 df_analyze_simple_change_one_block, df_compact_blocks,
15205 df_bb_replace, df_bb_regno_last_use_find,
15206 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15207 df_insn_regno_def_p, df_find_def, df_find_use,
15208 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15209 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15210 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15211 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15212 debug_df_chain, df_get_dependent_problem, df_chain_create,
15213 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15214 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15215 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15216 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15217 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15218 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15219 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15220 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15221 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15222 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15223 df_reorganize_refs, df_set_state, df_hard_reg_init,
15224 df_read_modify_subreg_p) New public functions.
15225 * df-core.c: The core dataflow solver and glue routines for rtl
15227 (df_init, df_add_problem, df_set_blocks, df_finish,
15228 df_hybrid_search_forward, df_hybrid_search_backward,
15229 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15230 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15231 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15232 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15233 df_reg_defined, df_find_use, df_reg_used, df_dump,
15234 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15235 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15236 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15237 debug_df_useno, reset_df_after_reload): New functions.
15238 * df-scan.c: The scanning fuctions, once in df.c, completely
15239 rewritten so that they now fully model the functionality of
15240 register usage at the backend.
15241 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15242 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15243 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15244 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15245 df_get_artificial_defs, df_get_artificial_uses,
15246 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15247 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15248 df_refs_delete, df_reorganize_refs, df_set_state,
15249 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15250 df_def_record_1, df_defs_record, df_uses_record,
15251 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15252 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15253 df_record_exit_block_uses, df_hard_reg_init): New functions.
15255 * df-problems.c: Seven concrete dataflow problems that use the
15256 scanning in df-scan.c and are solved by the engine in df-core.c.
15257 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15258 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15259 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15260 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15261 df_ru_free_bb_info, df_ru_alloc,
15262 df_ru_bb_local_compute_process_def,
15263 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15264 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15265 df_ru_transfer_function, df_ru_free, df_ru_dump,
15266 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15267 df_rd_free_bb_info, df_rd_alloc,
15268 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15269 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15270 df_rd_transfer_function, df_rd_free, df_rd_dump,
15271 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15272 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15273 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15274 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15275 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15276 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15277 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15278 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15279 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15280 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15281 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15282 df_urec_mark_reg_use_for_earlyclobber,
15283 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15284 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15285 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15286 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15287 df_chain_create_bb_process_use, df_chain_create_bb,
15288 df_chain_finalize, df_chain_free, df_chains_dump,
15289 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15290 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15291 df_reg_lifetime): New functions.
15292 * df.c: Deleted file.
15293 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15294 consistent with new df api.
15295 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15296 rest_of_handle_sms): Ditto.
15297 * web.c (unionfind_union, union_defs, entry_register, web_main):
15299 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15300 invariant_expr_equal_p, find_defs, check_dependencies,
15301 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15302 free_inv_motion_data, move_loop_invariants): Ditto.
15303 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15304 Update dependencies.
15305 (odf.c): Added defective entry that was deleted later in day.
15306 * sched-deps.c (sched_analyze_1): Ditto.
15308 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15310 * tree-ssa-operands.c (get_expr_operands): Record addressable
15311 variables directly. Do not call add_stmt_operands for CONST_DECLs
15313 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15314 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15316 2006-01-11 Ben Elliston <bje@au.ibm.com>
15318 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15319 function returns true in the positive case.
15321 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15324 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15325 for SI, DI, SF and DF modes. Add alternatives to copy between
15326 general and floating point registers to the 32-bit patterns.
15327 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15328 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15329 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15330 generating 64-bit code.
15331 * config/pa/pa.c (output_move_double): Handle copies between general
15332 and floating registers.
15334 2006-01-10 Stuart Hastings <stuart@apple.com>
15336 * config/i386/i386.md (set_got): Update.
15337 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15338 (builtin_setjmp_receiver): Mach-O support.
15339 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15340 (GOT_SYMBOL_NAME): Define.
15341 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15342 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15343 * config/i386/i386.c (override_options): Revise for Darwin.
15344 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15345 support. (darwin_x86_file_end): New. (output_set_got): Add label
15346 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15347 * config/i386/i386-protos.h (output_set_got): Likewise.
15348 * config/darwin.c (machopic_legitimize_pic_address): Update
15351 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15353 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15354 when MODE isn't BLKmode.
15356 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15358 PR rtl-optimization/25367
15359 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15361 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15364 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15365 for a negative bound.
15367 2006-01-10 Richard Guenther <rguenther@suse.de>
15369 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15370 Never override with anything constraint.
15372 2006-01-10 Jan Beulich <jbeulich@novell.com>
15374 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15375 256 bits when optimize_size.
15377 2006-01-10 Jan Beulich <jbeulich@novell.com>
15379 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15381 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15382 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15385 2006-01-10 Ben Elliston <bje@au.ibm.com>
15387 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15389 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15390 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15391 (USE_FP_FOR_ARG): Reject decimal float modes.
15392 (function_arg_advance): Likewise.
15393 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15394 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15395 point types in AltiVec vectors.
15396 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15397 (rs6000_libcall_value): Likewise.
15399 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15401 * config/xtensa/ieee754-df.S: New file.
15402 * config/xtensa/ieee754-sf.S: New file.
15403 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15404 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15405 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15407 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15409 * config/sh/predicates.md (binary_float_operator,
15410 binary_logical_operator, commutative_float_operator,
15411 equality_comparison_operator, greater_comparison_operator,
15412 less_comparison_operator, logical_operator,
15413 noncommutative_float_operator, shift_operator,
15414 symbol_ref_operand, unary_float_operator): Remove redundant
15417 2006-01-09 Jeff Law <law@redhat.com>
15419 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15420 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15421 now unused arguments. Callers updated.
15422 (eliminate_redundant_computations): Remove now unused arguments,
15424 (local_fold): Remove, no longer used.
15425 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15427 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15428 (simplify_cond): New function.
15429 (forward_propagate_into_cond): Call simplify_cond.
15431 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15433 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15434 (*vec_extractv2di_1_sse): New.
15436 2006-01-09 Ben Elliston <bje@au.ibm.com>
15438 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15440 2006-01-08 Richard Guenther <rguenther@suse.de>
15442 * tree-ssa-structalias.c (get_constraint_for): Remove
15443 anyoffset argument.
15444 (get_constraint_for_component_ref): Likewise.
15445 (do_deref): Likewise.
15446 (get_constraint_for): Likewise.
15447 (do_structure_copy): Likewise.
15448 (handle_ptr_arith): Likewise.
15449 (find_func_aliases): Likewise. Remove unused need_anyoffset
15452 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15453 Kaz Kojima <kkojima@gcc.gnu.org>
15455 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15456 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15457 (EXTRA_CONSTRAINT_C16): Remove.
15458 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15459 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15460 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15461 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15462 constants of SHmedia. Handle nested constant expressions of
15464 (andcosts): Fix the costs for SHmedia constants.
15465 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15466 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15467 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15468 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15469 (movv4hi_i, movv2si_i): Likewise.
15470 (movsi_const): Adjust the second operand of ior so to match with
15471 the Csu constraint.
15472 (movdi_const, movdi_const_32bit): Likewise.
15473 (movdi_const_16bit+1): Don't sign-extend LOW.
15474 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15476 (*double_shori): Fix the split condition. Use GEN_INT instead
15477 of get_int_mode calls. Mask lower 16-bit of the argument of
15479 (sym2GOTPLT): Remove.
15480 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15482 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15483 instead of EXTRA_CONSTRAINT_C16.
15485 2006-01-07 Ian Lance Taylor <ian@airs.com>
15486 David Edelsohn <edelsohn@gnu.org>
15488 PR rtl-optimization/25662
15489 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15490 for constant operands instead of simplify_gen_binary.
15491 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15492 after trying simplify_binary_operation
15494 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15496 * tree.c (iterative_hash_expr): Hash decls based on UID.
15498 2006-01-06 Eric Christopher <echristo@apple.com>
15500 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15501 (TARGET_UNWIND_EMIT): Fix spelling.
15502 * target.h (gcc_target): Add except_table_label.
15503 * except.c (output_function_exception_table): Use.
15504 * varasm.c (default_emit_except_table_label): New.
15505 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15507 (asm_out): Add here.
15508 * output.h (default_emit_except_table_label): Prototype.
15509 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15510 * config/darwin.c (darwin_emit_except_table_label): Define.
15511 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15513 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15515 PR tree-optimization/18527
15516 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15517 number_of_iterations_special, number_of_iterations_exit):
15518 Move base and step of an iv to a single structure. Add
15519 no_overflow flag, and use it in # of iterations analysis.
15520 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15521 folded_casts argument.
15522 (simple_iv): Pass base and step in a structure. Set no_overflow
15524 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15525 Evaluate expensiveness of computing # of iterations instead of
15526 the final expression.
15527 * tree-scalar-evolution.h (affine_iv): New structure.
15528 (simple_iv): Declaration changed.
15529 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15530 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15531 find_givs_in_stmt): Changed due to simple_iv change.
15533 2006-01-06 Jeff Law <law@redhat.com>
15536 * tree-cfg.c (bsi_replace): Rename final argument from
15537 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15538 change (stmt -> orig_stmt).
15539 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15540 (bsi_remove): Add new argument. Remove EH information
15542 (verify_eh_throw_table_statements): New function.
15543 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15545 * tree-optimize.c (execute_free_cfg_annotations): Verify
15546 the EH throw statement table after removing annotations.
15547 * except.h (verify_eh_throw_table_statements): Prototype.
15548 * tree-flow.h (bsi_remove): Update prototype.
15549 * tree-vrp.c (remove_range_assertions): Add new argument to
15551 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15552 * tree-complex.c (expand_complex_div_wide): Likewise.
15553 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15554 * tree-tailcall.c (eliminate_tailcall): Likewise.
15555 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15556 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15557 * tree-nrv.c (tree_nrv): Likewise.
15558 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15559 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15560 (combine_blocks): Likewise.
15561 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15562 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15563 (cleanup_control_flow): Likewise.
15564 (remove_forwarder_block): Likewise.
15565 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15566 * tree-sra.c (sra_replace): Likewise.
15567 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15568 (forward_propagate_single_use_vars): Likewise.
15569 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15570 * tree-inline.c (expand_call_inline): Likewise.
15571 * tree-vect-transform.c (vect_transform_loop): Likewise.
15572 * tree-outof-ssa.c (rewrite_trees): Likewise.
15573 * tree-cfg.c (make_goto_expr_edges): Likewise.
15574 (cleanup_dead_labels): Likewise.
15575 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15576 (bsi_move_before, bsi_move_after): Likewise.
15577 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15578 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15580 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15583 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15585 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15586 on non gimple variables. Also add checks at the top for decls and
15588 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15590 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15591 and IMAGPART_EXPR for creating MUST_DEFs.
15592 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15593 and NAME_MEMORY_TAG separately from the DECLs.
15595 2006-01-06 Richard Guenther <rguenther@suse.de>
15597 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15598 annotation, if necessary.
15599 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15600 redundant calls to update_stmt.
15601 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15604 2006-01-05 Richard Henderson <rth@redhat.com>
15606 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15608 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15610 * c-typeck.c: Update copyright date.
15612 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15614 * c-typeck.c (build_c_cast): Always warn when casting
15615 from a pointer to an integer of different size, even if
15616 the node was constant.
15618 2006-01-05 Richard Guenther <rguenther@suse.de>
15620 PR tree-optimization/22555
15621 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15622 if one structure field is an array.
15623 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15624 operands even if we found a subvar, but ignore VOPs in this
15626 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15628 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15630 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15632 PR middle-end/24998
15633 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15635 2006-01-05 Richard Guenther <rguenther@suse.de>
15636 Diego Novillo <dnovillo@redhat.com>
15638 * tree-pass.h (TODO_remove_unused_locals): Define.
15639 * gimple-low.c (expand_var_p, remove_useless_vars,
15640 pass_remove_useless_vars): Remove. Update all users.
15641 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15642 (remove_unused_locals): New function.
15643 * tree-flow.h (remove_unused_locals): Declare.
15644 * passes.c (execute_todo): Call remove_unused_locals if
15645 TODO_remove_unused_locals is set.
15646 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15647 * tree-ssa-dce.c (pass_dce): Likewise.
15648 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15650 2006-01-05 Richard Guenther <rguenther@suse.de>
15652 * tree-flow.h (struct fieldoff): Decompose field to
15653 type, size and decl.
15654 * tree-ssa-alias.c (create_sft): Take type as parameter.
15655 (create_overlap_variables_for): Store type, size and decl
15656 in the fieldoff structure.
15657 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15658 of struct fieldoff.
15659 (push_fields_onto_fieldstack): Likewise.
15660 (create_variable_info_for): Likewise. Use offset for the
15661 SFT name if the decl is not available.
15663 2006-01-04 Paul Brook <paul@codesourcery.com>
15665 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15667 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15669 * lambda-code.c (can_put_in_inner_loop): Relax
15671 (can_put_after_inner_loop): New function.
15672 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15673 (perfect_nestify): Change to make copies and modify uses.
15675 2006-01-04 Richard Henderson <rth@redhat.com>
15677 Merge from gomp branch:
15678 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15679 via integer constant.
15680 (pragma_lex): Remove.
15681 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15682 rather than parsing it.
15683 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15684 handle_pragma_extern_prefix): Add %< %> quotes.
15685 (registered_pragmas): New.
15686 (c_register_pragma_1): New.
15687 (c_register_pragma): Use it.
15688 (c_register_pragma_with_expansion): Likewise.
15689 (c_invoke_pragma_handler): New.
15690 (init_pragma): Use cpp_register_deferred_pragma directly for
15692 * c-pragma.h (enum pragma_kind): New.
15693 (pragma_handler): New.
15694 (c_invoke_pragma_handler): Declare.
15695 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15697 * c-common.h (c_common_pch_pragma): Update decl.
15698 * Makefile.in (c-parser.o): Update dependencies.
15699 (GTFILES): Add c-pragma.h.
15700 * c-parser.c (struct c_token): Add pragma_kind.
15701 (struct c_parser): Add in_pragma.
15702 (c_lex_one_token): Always initialize keyword and pragma_kind.
15703 Extract data for CPP_PRAGMA.
15704 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15705 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15706 Don't allow CPP_PRAGMA_EOL if in_pragma.
15707 (c_parser_consume_pragma): New.
15708 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15709 (c_parser_skip_to_end_of_parameter): Likewise.
15710 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15711 (c_parser_skip_to_pragma_eol): New.
15712 (c_parser_external_declaration): Handle CPP_PRAGMA.
15713 (c_parser_compound_statement_nostart): Likewise.
15714 (c_parser_statement_after_labels): Likewise.
15715 (c_parser_pragma): New.
15716 (pragma_lex): Likewise.
15717 (c_parser_pragma_pch_preprocess): New.
15718 (c_parser_new): Merge into ...
15719 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15721 2006-01-04 Jeff Law <law@redhat.com>
15724 * tree-cfg.c (bsi_replace): Remove the original statement
15725 from the EH throw statement table.
15727 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15729 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15730 make the prototype extern "C" and add throw ().
15733 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15734 and pos non-negative and pos + len <= 32.
15735 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15736 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15737 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15740 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15741 as well as sizes not multiple of component size.
15744 * function.c (instantiate_expr): New function.
15745 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15746 walk its DECL_VALUE_EXPR with instantiate_expr.
15748 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15749 DW_OP_deref{,_size} if address isn't going to be added.
15751 2006-01-04 Ben Elliston <bje@au.ibm.com>
15753 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15754 * config/fp-bit.c: Likewise.
15756 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15758 * dominance.c: Add comment about why we use DFS numbering
15761 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15762 Richard Henderson <rth@redhat.com>
15764 Merge from gomp-branch:
15765 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15766 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15768 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15770 PR rtl-optimization/25578
15771 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15772 pass a parameter to simplify_shift_const if changing ASHIFTRT
15775 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15777 * builtins.c (get_builtin_sync_mem): New function.
15778 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15779 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15780 Call get_builtin_sync_mem to generate mem rtx.
15782 2006-01-03 Richard Guenther <rguenther@suse.de>
15785 * stmt.c (add_case_node): Make sure to clear overflow flags
15788 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15790 Merge from gomp-branch.
15791 * config/sparc/sync.md: New file.
15792 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15793 UNSPECV_LDSTUB): New constants.
15794 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15795 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15796 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15799 2006-01-03 Roger Sayle <roger@eyesopen.com>
15801 * combine.c (reg_subword_p): New predicate to test whether the
15802 destination of a set refers to a subword/piece of a register.
15803 (try_combine): Generalize the code to merge the setting of a
15804 pseudo to a constant followed by a set of a subword of that
15805 register to a constant.
15807 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15809 * basic-block.h (control_flow_graph): Change the type of
15810 x_label_to_block_map to VEC(basic_block,gc) *.
15811 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15812 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15814 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15815 VEC(basic_block,heap) *.
15816 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15817 ssa_prop_fini): Adjust the uses of cfg_blocks.
15819 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15821 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15823 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15824 hashing trees instead of a pointer hash.
15825 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15826 compare for MEM_EXPR.
15828 PR rtl-optimization/25130
15829 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15830 when comparing MEMs for GCSE
15832 2006-01-03 Ben Elliston <bje@au.ibm.com>
15834 * targhooks.h (default_decimal_float_supported_p): Declare.
15835 * targhooks.c (default_decimal_float_supported_p): Define.
15836 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15837 `default_decimal_float_supported_p'.
15838 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15840 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15842 * combine.c (apply_distributive_law <SUBREG>): Check
15843 TRULY_NOOP_TRUNCATION.
15845 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15847 * dwarf2out.c (have_switched_text_section): Delete.
15848 (have_multiple_function_sections): New.
15849 (have_location_lists): Make 'bool'.
15850 (add_AT_loc_list): Use 'true' not '1'.
15851 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15852 (output_loc_list): Use have_multiple_function_sections.
15853 (output_ranges): Likewise.
15854 (dwarf2out_begin_function): Set have_multiple_function_sections if
15856 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15857 Check function_section rather than DECL_SECTION_NAME.
15858 (dwarf2out_finish): Use have_multiple_function_sections.
15859 Don't clear have_location_lists.
15861 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15862 Jan Hubicka <jh@suse.cz>
15864 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15865 case of conditional jump jumping to the next instruction.
15866 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15867 cases of conditional jump jumping to the next instruction.
15869 2006-01-02 Jan Hubicka <jh@suse.cz>
15871 * i386.c (*_cost): Add COSTS_N_INSNS.
15872 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15874 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15877 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15879 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15881 * config/arm/arm.c (all_fpus): Fix comment typo.
15882 * config/darwin.c: Likewise.
15883 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15884 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15885 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15887 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15889 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15890 (rs6000_split_compare_and_swapqhi): New.
15891 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15892 (sync_compare_and_swapqhi_internal): New.
15893 * config/rs6000/rs6000-protos.h: Declare.