1 2006-10-16 Richard Guenther <rguenther@suse.de>
4 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5 SSE builtin documentation. Document SSE2 builtins.
7 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
10 symbol in the output file for non-shared links when -nostdlib or
11 -nodefaultlibs isn't specified.
13 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
16 2006-10-15 Jan Hubicka <jh@suse.cz>
19 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
20 declared always_inline even when not inlining.
22 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
24 Andrew Pinski <pinskia@gmail.com>
27 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
29 2006-10-15 Jan Hubicka <jh@suse.cz>
30 Richard Guenther <rguenther@suse.de>
33 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
34 process_function_and_variable_attributes on all variables, including
35 those discovered during cgraph construction phase.
37 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
39 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
41 2006-10-14 Uros Bizjak <uros@kss-loka.si>
43 * config/i386/athlon.md (athlon_fist): Add fisttp.
45 2006-10-13 David Edelsohn <edelsohn@gnu.org>
46 Ian Lance Taylor <ian@airs.com>
49 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
50 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
53 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
55 * config/score/score.c, config/score/score.h: Fix comment
58 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
64 2006-10-13 Eric Christopher <echristo@apple.com>
66 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
68 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
71 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
72 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
73 alignment supported by 32-bit ELF.
75 2006-10-13 Eric Christopher <echristo@apple.com>
77 * config/darwin.c (darwin_emit_unwind_label): Strip
78 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
80 2006-10-13 Richard Guenther <rguenther@suse.de>
82 PR tree-optimization/29446
83 * tree-vrp.c (fix_equivalence_set): Remove.
84 (extract_range_from_assert): Do not call fix_equivalence_set.
85 (debug_value_range): Print a newline.
86 (compare_name_with_value): For equivalence sets with
87 inconsistent value ranges conservatively bail out.
88 (compare_names): Likewise.
90 2006-10-13 David Edelsohn <edelsohn@gnu.org>
92 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
93 and MPFR for gfortran.
95 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
97 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
98 alignment supported by 32-bit ELF.
100 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
104 * c-typeck.c (digest_init): Always allow initializing vectors
105 that have static storage duration with compound literals.
106 * tree.c (build_type_attribute_qual_variant): New, based on
107 build_type_attribute_variant.
108 (build_type_attribute_variant): Rewrite using the former.
109 (make_vector_type): Use build_type_attribute_qual_variant to build
110 type variants. Use type_hash_canon on the others.
112 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
113 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
115 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
117 2006-10-12 Jan Hubicka <jh@suse.cz>
120 * c-decl.c (c_make_fname_decl): Do not segfault in case where
121 current_function_decl is set but current_function_scope is not.
123 2006-10-12 Jie Zhang <jie.zhang@analog.com>
125 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
126 emit_insn to emit eh_return_internal instruction.
127 (eh_return_internal): Explicitly set pc.
129 2006-10-11 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/28230
132 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
133 to the correct place.
135 2006-10-11 Richard Guenther <rguenther@suse.de>
138 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
141 2006-10-10 Brooks Moses <bmoses@stanford.edu>
143 * configure.ac: Added pdf to "Make-hooks"
144 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
145 targets and *.pdf file patterns in cleanup targets.
146 * configure: Regenerated.
148 2006-10-10 Anatoly Sokolov <aesok@post.ru>
150 * config/avr/predicates.md: New file.
151 * config/avr/avr.md: Include it.
152 (REG_SP): New constant.
153 (peepholes): Use predicates.
154 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
155 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
156 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
158 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
160 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
163 2006-10-10 Jakub Jelinek <jakub@redhat.com>
166 * builtins.c (var_decl_component_p): New function.
167 (fold_builtin_memset, fold_builtin_memory_op): Restrict
168 single entry optimization to variables and components thereof.
170 2006-10-10 Richard Guenther <rguenther@suse.de>
172 PR rtl-optimization/29323
173 * except.c (set_nothrow_function_flags): For functions
174 that do not bind local bail out early.
176 2006-10-10 Ben Elliston <bje@au.ibm.com>
178 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
181 2006-10-09 Richard Henderson <rth@redhat.com>
185 2006-10-09 Richard Guenther <rguenther@suse.de>
188 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
191 2006-10-09 Steve Ellcey <sje@cup.hp.com>
194 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
195 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
196 * configure: Regenerate.
197 * config.in: Regenerate.
199 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
201 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
203 2006-10-08 Richard Sandiford <richard@codesourcery.com>
205 * config/mips/mips.c (mips_legitimize_tls_address): Implement
206 all TLS models in the same way as local exec if !TARGET_ABICALLS.
207 Remove stray newline.
209 2006-10-08 Richard Sandiford <richard@codesourcery.com>
211 * config/mips/mips.c (mips_classify_symbol): Do not return
212 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
213 (mips_in_small_data_p): Tweak comments.
215 2006-10-08 Richard Sandiford <richard@codesourcery.com>
217 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
219 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
221 * gimplify.c, sched-int.h: Fix comment typos.
223 * sched-int.h: Fix comment typos.
225 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
227 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
229 * sched-ebb.c (begin_schedule_ready): Use them.
230 * haifa-sched.c (schedule_insn, move_insn, try_ready,
231 add_to_speculative_block, create_check_block_twin, speculate_insn,
232 fix_jump_move, move_block_after_check): Ditto.
233 * sched-rgn.c (new_ready): Ditto.
235 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
237 PR rtl-optimization/29128
238 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
239 * sched-ebb.c (advance_target_bb): Use it to fix condition to
240 allow interblock movement of speculation checks.
242 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
245 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
246 casted to integer type.
247 (get_address_cost): Decrease cost of [symbol + index] addressing modes
248 if they are significantly more expensive than [reg + index] ones.
250 2006-10-06 Jakub Jelinek <jakub@redhat.com>
252 PR tree-optimization/29330
253 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
254 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
255 on newly allocated ddrs.
256 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
257 to VEC (loop_p, heap) pointer.
258 (compute_data_dependences_for_loop): Adjust caller.
259 (free_dependence_relations): Free DDR_LOOP_NEST.
261 * tree-loop-linear.c (linear_transform_loops): Don't forget to
262 free DEPENDENCE_RELATIONS and DATAREFS.
265 * builtins.c (expand_builtin_sync_operation,
266 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
267 Use convert_to_mode to handle promoted arguments.
269 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
271 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
273 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
275 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
277 2006-10-05 Uros Bizjak <uros@kss-loka.si>
279 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
280 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
281 Use <modeconstraint> instead of "r" as operand 1 constraint.
283 2006-10-06 Olivier Hainque <hainque@adacore.com>
285 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
286 Don't recurse on the pointed-to type.
287 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
288 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
289 types with components of variable size.
291 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
293 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
295 2006-10-06 Jakub Jelinek <jakub@redhat.com>
297 PR tree-optimization/29290
298 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
302 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
303 * config/i386/predicates.md (local_symbolic_operand): Likewise.
306 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
307 the number of vector elements fill the rest with zeros.
309 2006-10-05 Richard Sandiford <richard@codesourcery.com>
311 * config/mips/mips.c (mips_pass_by_reference): Do not return false
312 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
315 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
317 * config/bfin/bfin.md (subsi3): Lose expander, change previously
318 unnamed pattern into subsi3. Use correct constraints/predicates.
319 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
320 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
322 2006-10-05 Ira Rosen <irar@il.ibm.com>
324 * doc/loop.texi: Add data references analysis description.
326 2006-10-04 Brooks Moses <bmoses@stanford.edu>
328 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
330 2006-10-04 Richard Henderson <rth@redhat.com>
331 Jakub Jelinek <jakub@redhat.com>
333 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
334 * builtin-types.def (BT_WORD): Make unsigned.
335 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
336 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
337 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
338 * c-decl.c (grokdeclarator): Don't error if !have_tls.
339 * c-parser.c (c_parser_omp_threadprivate): Likewise.
340 * cgraph.c (decide_is_variable_needed): Look at force_output.
341 Recurse for emulated tls.
342 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
343 checks redundant with decide_is_variable_needed.
344 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
345 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
347 * expr.c (emutls_var_address): New.
348 (expand_expr_real_1): Expand emulated tls.
349 (expand_expr_addr_expr_1): Likewise.
350 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
351 * output.h (emutls_finish): Declare.
352 * toplev.c (compile_file): Call it.
353 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
354 address before wrapping in CONST.
355 * varasm.c (emutls_htab, emutls_object_type): New.
356 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
357 (get_emutls_object_name, get_emutls_object_type): New.
358 (get_emutls_init_templ_addr, emutls_decl): New.
359 (emutls_common_1, emutls_finish): New.
360 (assemble_variable): When emulating tls, swap decls; generate
361 constructor for the emutls objects.
362 (do_assemble_alias): When emulating tls, swap decl and target name.
363 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
365 * emutls.c: New file.
366 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
367 tls_object for real tls.
369 2006-10-04 Zack Weinberg <zackw@panix.com>
371 Fix bug in constraint-check generator, reported by Rask Ingemann
373 * genpreds.c (add_constraint): Don't remove anything from the
375 (write_tm_constrs_h): Detect whether "op" argument is used, and
376 mark it ARG_UNUSED if it isn't.
377 (write_insn_const_int_ok_for_constraint): Skip the part of the
378 expression that would test whether "op" (which is not available
379 here) is a CONST_INT.
381 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
384 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
386 2006-10-03 Geoffrey Keating <geoffk@apple.com>
388 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
389 current Leopard versions.
390 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
392 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
394 * doc/install.texi: Fix typos.
396 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
398 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
399 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
400 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
402 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
404 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
405 arg to be struct mach_header_64* instead.
407 2006-10-02 Jakub Jelinek <jakub@redhat.com>
410 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
411 side effects after the outer expression's post side effects.
413 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
415 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
416 comments to reflect actual behavior and relationship between
417 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
419 * doc/c-tree.texi (Working with declarations): Fix documentation
420 of FIELD_DECL likewise.
422 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
425 * doc/extend.texi: Add used variable attribute description.
427 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
430 * c.opt (Woverride-init): New.
431 * c-opts.c (c_common_post_options): Default warn_override_init to
433 * c-typeck.c (add_pending_init, output_init_element): Warn for
434 overriding initializers without side effects.
435 * doc/invoke.texi (-Woverride-init): Document.
438 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
440 PR rtl-optimization/28096
441 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
442 assignment has already been used as a destination earlier in the block.
444 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
446 * builtins.c (expand_builtin_setjmp): Delete.
447 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
448 <BUILT_IN_SETJMP_SETUP>: New case.
449 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
450 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
451 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
452 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
453 (BUILT_IN_SETJMP_RECEIVER): Likewise.
454 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
455 (lower_function_body): Initialize it to false. If it is set to true
456 at the end of the processing, emit the setjmp dispatcher.
457 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
458 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
459 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
460 on the rhs of the assignment.
461 (lower_builtin_setjmp): New function.
462 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
463 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
464 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
465 to detect calls that can go to non-local labels. Use specific
466 helper to create the abnormal edges associated with them.
467 <MODIFY_EXPR>: Likewise.
468 (make_abnormal_goto_edges): New function extracted from...
469 (make_goto_expr_edges): ...here. Call it for computed gotos.
470 (simple_goto_p): Minor tweak.
471 (tree_can_make_abnormal_goto): New predicate.
472 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
473 (tree_purge_dead_abnormal_call_edges): New function.
474 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
475 (tree_purge_dead_abnormal_call_edges): Likewise.
476 (make_abnormal_goto_edges): Likewise.
477 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
478 Purge all dead abnormal edges if the call was in the last statement.
479 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
480 (execute_fixup_cfg): If there are non-local labels in the function,
481 scan the basic blocks and split them at calls that can go to non-local
482 labels or add missing abnormal call edges. Write down the CFG in the
484 (pass_fixup_cfg): Remove TODO_dump_func flag.
485 * unwind-sjlj.c: Poison setjmp.
486 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
487 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
488 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
489 (DONT_USE_BUILTIN_SETJMP): Document it.
491 2006-09-28 Geoffrey Keating <geoffk@apple.com>
494 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
495 to 1 when __ppc64__ is defined.
496 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
498 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
500 2006-09-28 Steve Ellcey <sje@cup.hp.com>
502 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
503 * config/ia64/unwind-hpux.c: Delete.
505 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
507 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
508 on the element before gimplifying it, instead of punting if it is of
511 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
513 * doc/loop.texi: New file.
514 * doc/gccint.texi: Reference loop.texi.
515 * Makefile.in (loop.texi): Add.
517 2006-09-27 Geoffrey Keating <geoffk@apple.com>
519 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
521 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
522 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
524 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
526 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
528 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
530 * doc/install.texi: Document required versions of GMP and MPFR.
532 2006-09-27 Paul Brook <paul@codesourcery.com>
535 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
537 2006-09-27 Richard Sandiford <richard@codesourcery.com>
539 * reload1.c (alter_reg): Require the alignment of the stack slot to
540 be at least reg_max_ref_width bytes.
541 (scan_paradoxical_subregs): Record the largest width in
544 2006-09-26 Jakub Jelinek <jakub@redhat.com>
548 * tree-nested.c (struct nesting_info): Added static_chain_added.
549 (convert_call_expr): Set static_chain_added when adding static
550 chain. Handle OMP_PARALLEL and OMP_SECTION.
552 2006-09-25 Matthias Klose <doko@debian.org>
554 * doc/invoke.texi: Add missing full stop.
556 2006-09-25 Richard Henderson <rth@redhat.com>
558 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
559 before cgraph_function_flags_ready.
561 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
562 Adam Nemet <anemet@caviumnetworks.com>
564 * tree-ssa-loop-ivopts.c (aff_combination_convert,
565 determine_common_wider_type): New functions.
566 (get_computation_aff): Use them to simplify arithmetic between
567 UBASE and CBASE if they are shortened from the same type.
569 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
572 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
573 -2147483647 - 1 instead of 0x80000000.
575 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
577 * flags.h (HONOR_NANS): Fix typo in comment.
579 2006-09-23 Uros Bizjak <uros@kss-loka.si>
581 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
583 2006-09-23 Jakub Jelinek <jakub@redhat.com>
587 * tree.c (merge_attributes, attribute_list_contained): If both
588 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
590 * c-typeck.c (comptypes_internal): Don't consider aggregates
591 in different TUs as compatible if there one set of attributes is
592 not a subset of the other type's attributes.
593 (composite_type): Try harder not to create a new aggregate type.
595 2006-09-22 Geoffrey Keating <geoffk@apple.com>
597 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
598 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
599 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
600 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
601 than replicating condition above.
602 * config.host (i[34567]86-*-*): Always use driver-i386.o.
604 * config/darwin.h (LINK_SYSROOT_SPEC): New.
605 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
606 the linker by default.
608 2006-09-22 Mike Stump <mrs@apple.com>
610 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
613 2006-09-22 Richard Guenther <rguenther@suse.de>
616 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
617 sort of stack variables stable.
619 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
622 * explow.c (force_reg): Set REG_POINTER flag according to
625 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
627 PR tree-optimization/28888
628 * tree-if-conv.c (combine_blocks): Rewritten.
629 * tree-cfg.c (tree_verify_flow_info): Check that edges with
630 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
632 2006-09-22 Jakub Jelinek <jakub@redhat.com>
634 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
637 2006-09-21 Richard Sandiford <richard@codesourcery.com>
639 * varasm.c (copy_constant): Fix reversed gcc_assert check.
641 2006-09-21 Janis Johnson <janis187@us.ibm.com>
643 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
645 2006-09-21 Roger Sayle <roger@eyesopen.com>
648 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
649 dw_fde_current_label, to be the start of the function, i.e. the same
650 value as dw_fde_begin.
652 2006-09-20 Richard Sandiford <richard@codesourcery.com>
654 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
655 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
656 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
657 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
658 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
659 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
660 (abs<mode>2, neg<mode>2): Likewise.
661 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
662 (*mips_abs_ps): New define_insn.
664 2006-09-20 Josh Conner <jconner@apple.com>
667 * calls.c (expand_call): Allow reuse of structure return stack
670 2006-09-20 Paul Brook <paul@codesourcery.com>
672 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
675 2006-09-20 Janis Johnson <janis187@us.ibm.com>
677 * doc/extend.texi (Decimal Float): Update for latest draft TR,
678 clean up terminology.
680 2006-09-20 Steve Ellcey <sje@cup.hp.com>
683 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
684 with tablejumps in them.
686 2006-09-20 Jakub Jelinek <jakub@redhat.com>
689 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
690 wrap it into TARGET_EXPR.
692 2006-09-20 Eric Christopher <echristo@apple.com>
694 * config/i386/i386.c (x86_fisttp): Remove.
695 * config/i386/i386.h (x86_fisttp): Ditto.
696 (TARGET_FISTTP): Ditto.
698 2006-09-19 Eric Christopher <echristo@apple.com>
700 * doc/tm.texi (OBJC_JBLEN): Describe.
701 * config/i386/darwin.h (OBJC_JBLEN): Define.
702 * config/rs6000/darwin.h: Ditto.
704 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
706 PR rtl-optimization/21299
707 * reload1.c (reload): Purge invalid ASMs in the final pass.
709 2006-09-19 Steve Ellcey <sje@cup.hp.com>
712 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
713 pointers as legitimate constants.
715 2006-09-19 Paul Brook <paul@codesourcery.com>
718 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
720 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
722 PR tree-optimization/28887
723 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
724 component parts from the reference.
725 (gather_memory_references_ref): Record the reference without the
726 nonaddressable component parts.
728 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
731 * c-opts.c (c_common_handle_option): Ignore the -std options
732 if the input language is assembly.
734 2006-09-17 Ira Rosen <irar@il.ibm.com>
737 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
739 (ptr_ptr_may_alias_p): Likewise.
740 (record_record_differ_p): New function.
741 (base_object_differ_p): Call record_record_differ_p.
743 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
746 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
747 away for the expr argument.
749 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
752 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
753 before using it for dumping after vectorizing loops.
755 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
756 Jack Howarth <howarth@bromo.med.uc.edu>
759 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
760 skip on error_mark_node.
761 (rs6000_darwin64_record_arg_recurse): Likewise.
763 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
765 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
766 * doc/rtl.texi: Remove related documentation.
768 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
770 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
773 2006-09-15 Jim Wilson <wilson@specifix.com>
775 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
776 Handle symbol offsets same as they are handled in ia64_expand_move
779 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
781 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
782 Add forgotten parameter to the fprintf call.
784 2006-09-15 Steve Ellcey <sje@cup.hp.com>
786 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
788 2006-09-15 Uros Bizjak <uros@kss-loka.si>
790 * doc/contrib.texi: Add my entry.
792 2006-09-15 Nick Clifton <nickc@redhat.com>
794 * doc/md.texi (Processor pipeline description): Fix typo in
795 example of how to use the absence_set directive and reword the
796 description to make it slightly easier to read.
798 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
800 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
801 * loop-doloop.c (doloop_optimize): Use it to limit costs of
802 expanding the number of iterations.
803 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
805 * cfgrtl.c (emit_insn_at_entry): New function.
806 * rtl.h (emit_insn_at_entry): Declare it.
807 * integrate.c (emit_initial_value_sets): Use it.
809 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
811 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
813 (struct loop_work and related VEC declarations): Delete.
814 (bfin_dump_loops): Print out new member bad.
815 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
816 (bfin_scan_loop): Don't recurse.
817 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
818 loops. No longer need to update outer loops if the current one is
819 found bad. Move some validitiy checks to bfin_discover_loop.
820 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
821 but changed not to check for nesting. Also changed to use the new bad
823 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
824 time. Use bitmap based test to discover loop nesting.
826 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
828 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
831 2006-09-14 Richard Guenther <rguenther@suse.de>
832 Kazu Hirata <kazu@codesourcery.com>
835 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
836 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
837 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
838 with TARGET_FUNCTION_VALUE.
840 2006-09-14 Anatoly Sokolov <aesok@post.ru>
843 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
845 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
847 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
850 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
853 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
856 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
858 * basic_block.h (bb_has_eh_pred): Fix comment.
860 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
862 * flow.c (calculate_global_regs_live): Invalidate eh registers
863 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
864 (propagate_block): Handle eh registers as if they were set at basic
866 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
868 * global.c (global_conflicts): Make eh registers to conflict with
869 pseudos live at basic block begin.
870 * basic_block.h (bb_has_eh_pred): New function.
872 2006-09-13 Richard Sandiford <richard@codesourcery.com>
874 PR rtl-optimization/28982
875 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
876 index of a PRE_MODIFY or POST_MODIFY address.
877 * reload1.c (inc_for_reload): Use find_replacement on the original
878 base and index registers.
880 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
882 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
883 for -Os. Update __m128 alignment requirement.
885 2006-09-13 Jan Hubicka <jh@suse.cz>
887 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
889 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
891 PR rtl-optimization/28243
892 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
893 the insn to which the note was originally attached.
895 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
896 Roger Sayle <roger@eyesopen.com>
898 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
899 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
900 on platforms that don't use dwarf for debug info.
902 2006-09-12 Jason Merrill <jason@redhat.com>
905 * builtins.c (expand_builtin_setjmp_receiver): Clobber
906 hard_frame_pointer_rtx after using it to update the frame pointer.
908 2006-09-12 Roger Sayle <roger@eyesopen.com>
910 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
911 (TARGET_ASM_CLOSE_PAREN): Likewise.
912 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
913 (TARGET_ASM_CLOSE_PAREN): Likewise.
915 2006-09-12 Roger Sayle <roger@eyesopen.com>
918 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
919 frame information for frames larger than 512 Kbytes on Tru64 when
920 using the native assembler.
922 2006-09-12 Roger Sayle <roger@eyesopen.com>
926 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
927 and symbols. Instead use the implementation from cse.c's hash_rtx.
929 2006-09-12 Jan Hubicka <jh@suse.cz>
931 PR rtl-optimization/28071
932 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
933 (vect_transform_loop): Likewise.
934 * tree-vectorizer.c (new_loop_vec_info): Likewise.
935 (new_loop_vec_info): Likewise.
936 (destroy_loop_vec_info): Likewise.
937 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
938 (create_stmt_ann): Likewise.
939 (create_tree_ann): Rename to ...
940 (create_tree_common_ann): ... this one; allocate only the common part
942 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
943 (get_value_handle): Likewise.
944 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
946 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
947 (vinfo_for_stmt): Use stmt annotations.
948 * tree-flow.h (tree_ann_common_t): New type.
949 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
950 (tree_ann, get_tree_ann, create_tree_ann): New.
951 * tree-flow-inline.h (get_function_ann): Do more type checking.
952 (stmt_ann): Likewise.
953 (tree_ann): Rename to ...
954 (tree_common_ann): ... this one; return ony common_ann
955 (get_tree_ann): Rename to ...
956 (tree_common_ann): This one; return only common_ann.
957 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
960 2006-09-11 Geoffrey Keating <geoffk@apple.com>
962 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
965 * dwarf2out.c (dwarf_file_data): New.
966 (enum dw_val_class): Add dw_val_class_file.
967 (struct dw_val_struct): Add val_file.
968 (file_table): Change to a hash table.
969 (file_table_emitted): Delete.
970 (file_table_last_lookup_index): Delete.
972 (last_emitted_file): New.
973 (lookup_filename): Change prototype to return a struct dwarf_file_data.
974 (init_file_table): Delete.
975 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
976 (AT_addr): Add comment.
980 (print_die): Handle dw_val_class_file.
981 (print_dwarf_line_table): Update for new file table structure.
982 (attr_checksum): Do checksum a filename.
983 (same_dw_val_p, same_attr_p): Do compare a filename.
984 (size_of_die): Handle dw_val_class_file.
985 (value_format): Likewise.
986 (output_die): Likewise. Also, call maybe_emit_file here.
987 (struct file_info): Constify filenames. Make file_idx a pointer
988 to a struct dwarf_file_data.
989 (struct dir_info): Constify directory names. Remove 'used' field.
990 (struct file_name_acquire_data): New.
991 (file_name_acquire): New.
992 (output_file_names): Modify to handle new file data structures.
993 (add_src_coords_attributes): Use add_AT_file.
994 (add_call_src_coords_attributes): Likewise.
995 (dwarf2out_imported_module_or_decl): Likewise.
996 (gen_subprogram_die): Modify for new file data structures.
997 (gen_variable_die): Likewise.
998 (file_table_eq): New.
999 (file_table_hash): New.
1000 (file_table_last_lookup): New.
1001 (lookup_filename): Rewrite to handle new file data structures.
1002 (maybe_emit_file): Rewrite to handle new file data structures.
1003 (dwarf2out_source_line): Always call lookup_filename and
1005 (dwarf2out_init): Create file_table here.
1006 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1007 (file_table_relative_p): New.
1008 (dwarf2out_finish): Change detection of relative filenames
1009 to work with new file data structures. Move output_line_info call
1010 after debug_info output.
1012 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1017 * config/i386/i386.c (override_options): Always default to 16
1018 byte stack boundary.
1020 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1023 * var-tracking.c (dump_dataflow_set): Start dumping at
1025 (clobber_variable_part): Kill only the variable part in
1026 registers holding it, leaving other variables alone.
1028 2006-09-11 Josh Triplett <josh@freedesktop.org>
1030 * doc/extend.texi (Other Builtins): Actually use the macro
1031 argument in the documentation example for
1032 __builtin_types_compatible_p.
1034 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1036 PR rtl-optimization/28726
1037 * sched-deps.c (sched_analyze_reg): New function extracted from...
1038 (sched_analyze_1): ...here. Call it to analyze references to
1039 registers. Treat again writes to a stack register as writing to the
1041 (sched_analyze_2): ...and here. Call it to analyze references to
1042 registers. Treat again reads of a stack register as reading the
1045 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1046 David Edelsohn <edelsohn@gnu.org>
1049 * config/rs6000/spe.md (frob_df_di): Remove %H.
1050 (frob_di_df): Remove %H. Change evmergelo to mr.
1051 (frob_di_df_2): Remove %H. Change evldd to two loads.
1053 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1055 * doc/cpp.texi: Fix names of charset options.
1057 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1060 * config/i386/i386.c (override_options): Use 128-bit
1061 stack boundary always for 64bits.
1063 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1065 PR rtl-optimization/28636
1066 * combine.c (force_to_mode): Test for side-effects before
1067 substituting by zero.
1068 (simplify_shift_const): Likewise for zero or other constants.
1070 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1073 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1076 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1079 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1080 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1081 returned by mode_for_size, rather than the mode of src itself,
1082 to choose between 32-bit and 64-bit patterns.
1083 (mips_mem_fits_mode_p): New function.
1084 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1085 that the size of the source matches the size of the destination.
1086 (mov_<store>l, mov_<store>r): Likewise.
1088 2006-09-10 Eric Christopher <echristo@apple.com>
1090 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1093 2006-09-09 Eric Christopher <echristo@apple.com>
1096 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1099 2006-09-09 Roger Sayle <roger@eyesopen.com>
1100 Nicolas Setton <setton@adacore.com>
1102 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1104 2006-09-10 Andreas Schwab <schwab@suse.de>
1106 * config/m68k/m68k.md (bungt_rev): New pattern.
1108 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1109 Dale Johannesen <dalej@apple.com>
1112 * regclass.c (struct reg_pref): Update documentation.
1113 (regclass): Set prefclass to NO_REGS if memory is the best option.
1114 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1116 2006-09-08 Eric Christopher <echristo@apple.com>
1118 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1119 * config/t-slibgcc-darwin: Support x86_64 multilib.
1120 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1121 Return 1 for x86_64-darwin.
1122 * config/i386/t-darwin: Add m64 multilib.
1123 (LIB2_SIDITI_CONV_FUNCS): Use.
1124 (LIB2FUNCS_EXTRA): Ditto.
1125 * config/i386/darwin.h: Support x86_64.
1126 * config/i386/i386.c (override_options): Turn on flag_pic
1127 for x86_64-darwin. Disable flag_omit_pointer.
1128 (get_pc_thunk_name): Assert !TARGET_64BIT.
1129 (legitimate_address_p): Disable machopic addressing for
1131 (legitimize_pic_address): Ditto.
1132 (ix86_expand_move): Ditto.
1133 (ix86_expand_call): Ditto.
1134 (machopic_output_stub): Ditto.
1135 * config/darwin.c (machopic_select_section): Support literal16.
1136 (machopic_select_rtx_section): Ditto.
1137 * config/darwin-sections.def: Ditto.
1138 * config/darwin-64.c: New.
1140 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1143 * c-tree.h (struct c_arg_info): Add pending_sizes.
1144 * c-parser.c (c_parser_parms_declarator,
1145 c_parser_parms_list_declarator): Initialize pending_sizes.
1146 * c-decl.c (get_parm_info): Initialize pending_sizes.
1147 (get_parm_info): Set pending_sizes.
1148 (grokdeclarator): Call put_pending_sizes for parameters for
1149 function definition only.
1151 2006-09-07 Jason Merrill <jason@redhat.com>
1154 * varasm.c (output_constant): Only strip actual no-op conversions.
1157 * config/i386/i386.c (override_options): Use 128-bit
1158 stack boundary if -msse.
1160 2006-09-07 Eric Christopher <echristo@apple.com>
1162 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1164 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1167 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1169 * dwarf2out.c: Remove strange characters from comment above
1170 dwarf2out_frame_debug_expr.
1172 2006-09-07 Eric Christopher <echristo@apple.com>
1174 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1175 * config/darwin.h: ... to here.
1177 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1179 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1181 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1182 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1184 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1185 TARGET_PARTIAL_FLAG_REG_STALL.
1186 (*ashldi3_cconly_rex64): Likewise.
1187 (*ashlsi3_cmp): Likewise.
1188 (*ashlsi3_cconly): Likewise.
1189 (*ashlsi3_cmp_zext): Likewise.
1190 (*ashlhi3_cmp): Likewise.
1191 (*ashlhi3_cconly): Likewise.
1192 (*ashlqi3_cmp): Likewise.
1193 (*ashlqi3_cconly): Likewise.
1194 (*ashrdi3_cmp_rex64): Likewise.
1195 (*ashrdi3_cconly_rex64): Likewise.
1196 (*ashrsi3_cmp): Likewise.
1197 (*ashrsi3_cconly): Likewise.
1198 (*ashrsi3_cmp_zext): Likewise.
1199 (*ashrhi3_cmp): Likewise.
1200 (*ashrhi3_cconly): Likewise.
1201 (*ashrqi3_cmp): Likewise.
1202 (*ashrqi3_cconly): Likewise.
1203 (*lshrdi3_cmp_rex64): Likewise.
1204 (*lshrdi3_cconly_rex64): Likewise.
1205 (*lshrsi3_cmp): Likewise.
1206 (*lshrsi3_cconly): Likewise.
1207 (*lshrsi3_cmp_zext): Likewise.
1208 (*lshrhi3_cmp): Likewise.
1209 (*lshrhi3_cconly): Likewise.
1210 (*lshrqi2_cmp): Likewise.
1211 (*lshrqi2_cconly): Likewise.
1213 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1216 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1217 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1218 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1219 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1220 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1221 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1222 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1223 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1224 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1225 implement only CC setting effects of shift instructions.
1227 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1229 * doc/contrib.texi: Add myself.
1231 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1234 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1235 was set by the user.
1237 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1240 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1241 (divsi_inv_m1): Use them.
1242 (UNSPEC_DIV_INV_TABLE): New constant.
1244 2006-09-06 James E Wilson <wilson@specifix.com>
1247 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1248 then call count_or_remove_death_notes.
1250 2006-09-06 Jason Merrill <jason@redhat.com>
1253 * tree-inline.c (copy_result_decl_to_var): New fn.
1254 (declare_return_variable): Use it. Call declare_inline_vars here.
1255 (expand_call_inline): Not here.
1257 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1259 * doc/contrib.texi: Update my entry.
1261 2006-09-06 Nick Clifton <nickc@redhat.com>
1263 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1265 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1268 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1269 (canonicalize_induction_variables): Likewise.
1270 (tree_unroll_loops_completely): Likewise.
1271 (tree_ssa_prefetch_arrays): Likewise.
1272 (remove_empty_loops): Likewise.
1273 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1274 TODO_cleanup_cfg instead of directly calling
1275 cleanup_tree_cfg_loop.
1276 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1278 (tree_unroll_loops_completely): Likewise.
1279 (remove_empty_loops): Likewise.
1280 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1281 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1282 of tree_ssa_unswitch_loops.
1283 (tree_ssa_loop_ivcanon): Use the return value of
1284 canonicalize_induction_variables.
1285 (tree_ssa_empty_loop): Use the return value of
1287 (tree_complete_unroll): Use the return value of
1288 tree_unroll_loops_completely.
1289 (tree_ssa_loop_prefetch): Use the return value of
1290 tree_ssa_prefetch_arrays.
1291 * passes.c (execute_todo): Before Cleanup CFG, set
1292 updating_used_alone and after cleanup CFG, call
1293 recalculate_used_alone.
1295 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1298 * tree-vect-transform.c (vectorizable_condition): Move the check
1299 for the type after the check for simple condition.
1301 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1302 Kaz Kojima <kkojima@gcc.gnu.org>
1305 * mode-switching.c (optimize_mode_switching): Make the destination
1306 block of an abnormal edge have no anticipatable mode. Don't
1307 insert mode switching code at the end of the source block of
1310 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1312 PR rtl-optimization/26847
1313 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1314 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1315 (simplify_plus_minus): Count n_constants while filling ops. Replace
1316 qsort with insertion sort. Before going through the array to simplify
1317 pairs, sort it. Delay early exit until after the first sort, exiting
1318 only if no swaps occurred. Simplify pairs in reversed order, without
1319 special-casing the first iteration. Pack ops after simplifying pairs.
1321 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1323 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1324 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1325 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1326 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1328 2006-09-05 Richard Guenther <rguenther@suse.de>
1330 PR tree-optimization/28900
1331 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1332 compound conditional before creating COND_EXPR condition.
1334 2006-09-05 Richard Guenther <rguenther@suse.de>
1336 PR tree-optimization/28905
1337 * tree-vrp.c (fix_equivalence_set): Manually implement
1338 !value_ranges_intersect_p to also handle symbolic ranges.
1340 2006-09-05 Richard Guenther <rguenther@suse.de>
1343 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1346 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1348 PR rtl-optimization/27616
1349 * cse.c (table_size): New static variable.
1350 (new_basic_block): Initialize it to 0.
1351 (remove_from_table): Decrement it.
1352 (insert): Increment it.
1353 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1354 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1355 fold_rtx_mem_1 if under the cap.
1356 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1357 the lookup of the equivalent expression and test for equality of the
1358 first operand of the equivalent expression before in turn looking up
1359 an equivalent constant for the second operand.
1361 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1364 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1365 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1366 pointer, instead of assuming it is possible to derive the
1367 correct args size from a call insn.
1369 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1372 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1373 (fold_builtin_mempcpy): Rename to...
1374 (fold_builtin_memory_op): ... this. Optimize one element copy
1376 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1378 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1379 (expand_builtin_memcpy, expand_builtin_mempcpy,
1380 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1381 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1382 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1383 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1385 2006-09-01 DJ Delorie <dj@redhat.com>
1387 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1388 (stzx_16): Likewise.
1389 ("stzx_24_<mode>"): Likewise.
1390 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1391 ("cmp<mode>_op"): New.
1392 (cmp<mode>): Change to expander; just save operands.
1394 (b<code>): Change to expander, emit compare here.
1395 (s<code>_op): Change to use split and expander.
1396 (s<code>_24_op): Likewise.
1397 (s<code>_<mode>): New.
1398 (s<code>_<mode>_24): New.
1399 (movqicc_<code>_<mode): New.
1400 (movhicc_<code>_<mode>): New.
1403 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1404 (m32c_pend_compare): New.
1405 (m32c_unpend_compare): New.
1406 (m32c_expand_scc): New.
1407 (m32c_expand_movcc): Emit the compare also.
1408 * config/m32c/predicates.md (mra_nopp_operand): New.
1410 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1411 Richard Guenther <rguenther@suse.de>
1412 Adam Nemet <anemet@caviumnetworks.com>
1415 * builtins.c (get_pointer_alignment): Handle more forms
1416 of base addresses that can be used to derive more precise
1417 information about alignment.
1419 2006-09-01 Jason Merrill <jason@redhat.com>
1422 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1425 * gimplify.c (voidify_wrapper_expr): Handle null type.
1427 2006-09-01 Josh Conner <jconner@apple.com>
1430 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1431 (execute_return_slot_opt): Use it.
1433 2006-08-31 Josh Conner <jconner@apple.com>
1436 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1437 returning aggregates.
1439 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1441 PR tree-optimization/28839
1442 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1443 blocks in that phi arguments appear.
1445 2006-08-31 Roger Sayle <roger@eyesopen.com>
1448 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1449 NULL, otherwise use an advance_loc4 to adjust relative to the
1451 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1452 (dwarf2out_switch_text_section): Reset the current label to avoid
1453 using advance_loc4 over section boundaries.
1455 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1458 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1459 r12 + SYMBOLIC_CONST.
1461 2006-08-30 Richard Guenther <rguenther@suse.de>
1463 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1465 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1467 PR rtl-optimization/27735
1468 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1469 Add new argument to keep track of whether an irreducible region
1470 was affected. All callers changed.
1471 (fix_irreducible_loops): Removed.
1472 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1473 flags were invalidated.
1475 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1477 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1478 instead of SF operands.
1479 (*fop_df_comm_sse): Likewise.
1480 (*fop_df_comm_i387): Likewise.
1481 (*fop_df_1_mixed): Likewise.
1482 (*fop_df_1_sse): Likewise.
1484 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1485 J"orn Rennecke <joern.rennecke@st.com>
1487 PR tree-optimization/17506
1488 * tree-ssa.c (warn_uninit): If warning about a location outside of
1489 the current function, note where the variable was declared.
1491 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1493 PR tree-optimization/28411
1494 * double-int.c (double_int_div): Use double_int_divmod.
1495 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1496 double_int_mod, double_int_smod, double_int_umod): New functions.
1497 * double-int.h (double_int_divmod, double_int_sdivmod,
1498 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1500 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1502 (get_computation_aff, get_computation_cost_at): Handle double_int
1503 return type of constant_multiple_of.
1505 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1508 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1509 an implicit conversion.
1511 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1513 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1515 2006-08-27 Roger Sayle <roger@eyesopen.com>
1517 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1520 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1522 * config/i386/crtfastmath.c: Fix a comment typo.
1524 2006-08-26 Roger Sayle <roger@eyesopen.com>
1526 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1527 temporary visit flags on CASE_LABEL_EXPRs.
1528 * c-common.c (match_case_to_enum): Add function comment. Avoid
1529 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1530 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1531 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1532 a constant, only warn if that constant value isn't handled.
1534 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1537 * input.h (restore_input_file_stack): Declare.
1538 (INPUT_FILE_STACK_BITS): Define.
1539 * toplev.c (fs_p, input_file_stack_history,
1540 input_file_stack_restored, restore_input_file_stack): New.
1541 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1542 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1543 (pop_srcloc): Don't free old state of stack.
1545 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1548 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1549 (PowerPC Type Attributes): New.
1551 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1553 * config/xtensa/xtensa.c (function_arg_boundary): New.
1554 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1556 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1557 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1559 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1562 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1565 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1567 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1568 (verify_local_live_at_start): Likewise.
1570 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1573 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1574 omp_add_variable): Treat sizes as variable whenever not
1577 2006-08-26 Richard Guenther <rguenther@suse.de>
1580 * fold-const.c (fold_binary): Fold temporary to correct
1581 type before constructing new comparison.
1583 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1586 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1587 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1589 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1592 * c-decl.c (start_function): Don't try to process prototype
1593 information from old declaration that isn't a function.
1595 2006-08-25 Jan Hubicka <jh@suse.cz>
1598 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1600 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1603 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1606 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1608 PR tree-optimization/16876
1609 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1610 exit if PARM doesn't match VALUE.
1612 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1614 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1615 literal_prefix directive.
1616 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1617 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1618 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1620 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1623 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1624 predicate to general_operand. Add 0->y and I->r alternatives.
1626 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1628 * doc/tm.texi: Fix a typo.
1629 * predict.c: Fix comment typos.
1631 2006-08-25 Nick Clifton <nickc@redhat.com>
1633 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1634 assertions of "cpu" and "machine".
1636 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1639 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1640 the access through a base which has an alias set of 0 cannot
1643 2006-08-24 Bill Wendling <wendling@apple.com>
1645 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1647 2006-08-24 Jan Hubicka <jh@suse.cz>
1649 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1651 2006-08-24 Jan Hubicka <jh@suse.cz>
1654 * cgraph.c: Fix comments.
1655 (cgraph_varpool_mark_needed_node): Mark only variables not already
1657 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1658 (cgraph_varpool_assembled_nodes_queue): New static variable.
1659 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1660 (cgraph_varpool_output_debug_info): New function.
1661 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1662 * Makefile.in: Add gt-cgraphunit.h
1664 2006-08-24 Jan Hubicka <jh@suse.cz>
1666 * predict.c (probability_reliable_p): New predicate.
1667 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1668 (predict_loops): Do not predict loop exit with less than 2%
1670 * basic-block.h (edge_probability_reliable_p,
1671 br_prob_note_reliable_p): Declare.
1672 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1673 prediction when static predictor is not reliable.
1674 * rs6000.c (output_cbranch): Likewise.
1676 2006-08-23 Stuart Hastings <stuart@apple.com>
1679 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1680 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1682 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1685 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1686 complex values, nor for generic vector values.
1688 2006-08-22 Richard Guenther <rguenther@suse.de>
1691 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1692 parameter. Convert arguments to arithmetic expression to the
1694 (analyze_scalar_evolution_1): Adjust caller.
1696 2006-08-22 Jan Hubicka <jh@suse.cz>
1698 Patch by Paolo Bonzini
1699 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1702 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1704 PR tree-optimization/28003
1705 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1706 before grouping aliases.
1708 2006-08-22 Roger Sayle <roger@eyesopen.com>
1710 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1711 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1713 2006-08-21 Jason Merrill <jason@redhat.com>
1716 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1717 wrapper. Loop to handle nested wrappers.
1718 (gimplify_bind_expr): Remove temp parameter.
1719 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1720 and STATEMENT_LIST on the rhs.
1721 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1722 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1723 (gimplify_target_expr): Remove special BIND_EXPR handling.
1725 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1727 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1730 2006-08-21 Olivier Hainque <hainque@adacore.com>
1732 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1733 Arrange for the temporary captures of components overlapping the lhs
1734 to happen before the lhs is possibly cleared.
1736 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1738 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1739 necessary places to pass the correct "number of registers" values
1742 2006-08-20 Jan Hubicka <jh@suse.cz>
1744 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1745 (create_name_tags): Instead of quadratic checking use hashtable.
1746 * bitmap.h: Include hashtab.h.
1747 (bitmap_hash): Declare.
1748 * bitmap.c (bitmap_hash): New function.
1750 2006-08-20 Jan Hubicka <jh@suse.cz>
1752 PR rtl-optimization/28071
1753 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1755 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1756 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1757 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1758 cgraph_decide_inlining_incrementally): Update use of
1759 cgraph_check_inline_limits.
1760 * cgraph.c (edge_hash, edge_eq): New function.
1761 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1762 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1763 cgraph_remove_node): Maintain call site hash.
1764 * cgraph.h (struct cgraph_node): Add call_site_hash.
1765 (cgraph_set_call_stmt): New function.
1767 2006-08-20 Jan Hubicka <jh@suse.cz>
1769 PR rtl-optimization/28071
1770 * reload1.c (reg_has_output_reload): Turn into regset.
1771 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1772 choose_reload_regs, emit_reload_insns): Update to new
1773 reg_has_output_reload.
1775 2006-08-20 Jan Hubicka <jh@suse.cz>
1778 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1779 function body sizes.
1780 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1782 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1785 * tree.c (handle_dll_attribute): Return early if not a
1786 var or function decl.
1788 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1791 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1792 alignment of SPE vector types.
1794 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1796 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1798 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1801 * cgraph.h (struct cgraph_node): Remove externally_visible
1803 * cgraphunit.c (process_function_and_variable_attributes): Set
1804 local.externally_visible rather than externally_visible.
1807 * c-common.c (handle_externally_visible_attribute): First look
1808 at TREE_CODE and only if it is function or var decl, check for
1809 non-public objects. Don't warn for DECL_EXTERNAL.
1810 * cgraphunit.c (process_function_and_variable_attributes): Warn
1811 if externally_visible attribute is used on non-public object.
1813 2006-08-17 Jan Hubicka <jh@suse.cz>
1815 PR tree-optimization/27865
1816 * reload1.c (forget_marked_reloads): New function.
1817 (forget_old_reloads_1): When data are passed, just mark the registers
1819 (reload_as_needed): Use the new mechanizm.
1821 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1824 * reload.h (reg_equiv_alt_mem_list): New declaration.
1825 * reload1.c (reg_equiv_alt_mem_list): New definition.
1826 (reload): Initialize it and release it.
1827 (delete_output_reload): Use it.
1828 * reload.c (push_reg_equiv_alt_mem): New function.
1829 (find_reloads_toplev): Call it.
1830 (find_reloads_address, find_reloads_address_1): Likewise.
1831 (find_reloads_subreg_address): Likewise.
1833 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1835 PR rtl-optimization/28489
1836 * sched-ebb.c (begin_schedule_ready): Create basic block
1838 (advance_target_bb): Skip empty blocks.
1839 * haifa-sched.c (bb_note): Make global.
1840 * sched-int.h (bb_note): Add prototype.
1842 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1844 PR tree-optimization/27865
1845 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1847 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1848 fold_used_pointer, pointer_used_p): New functions.
1849 (analyze_scalar_evolution_1): Use fold_used_pointer.
1850 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1851 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1854 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1857 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1858 or the INTEGER_CST. Fail on a CALL_EXPR.
1859 (fold_offsetof): Pass new argument to fold_offsetof_1.
1860 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1861 operand into an INDIRECT_REF.
1862 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1864 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1866 PR gcov/profile/26570
1867 * value-prof.c (static_values): Removed.
1868 (tree_find_values_to_profile): Do not set static_values.
1869 (find_values_to_profile): Do not free static_values.
1870 * profile.c (instrument_values): Do not free the values.
1871 (branch_prob): Free the values.
1873 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1875 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1877 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1880 * c-typeck.c (build_component_ref): Combine qualifiers of
1881 structure or union and field.
1883 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1885 PR rtl-optimization/28071
1886 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1887 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1888 * tree-into-ssa.c (struct dom_dfsnum): New.
1889 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1891 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1892 compute_global_livein.
1893 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1894 in phi nodes in the correct blocks.
1896 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1898 PR tree-optimization/28364
1899 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1901 (fold_affine_expr): New function.
1902 (may_eliminate_iv): Use fold_affine_expr.
1904 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1907 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1910 2006-08-16 Mike Stump <mrs@apple.com>
1912 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1913 * doc/cppopts.texi (-MD): Likewise.
1915 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1918 * c-common.c (handle_weak_attribute): Ignore and warn if
1919 not a FUNCTION_ or VAR_DECL.
1921 2006-07-15 Mike Stump <mrs@apple.com>
1924 * c-parser.c (c_parser_typeof_specifier): Don't use
1925 c_finish_expr_stmt, open code desired semantics instead.
1927 2006-08-15 Nick Clifton <nickc@redhat.com>
1929 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1930 fragment to tmake_file only if threads are enabled.
1931 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1932 * config/i386/t-gthr-win32: New file. ... here.
1934 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1937 * c-parser.c (c_parser_compound_statement_nostart): Reset
1938 parser->error after each statement.
1940 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1943 * omp-low.c (lower_omp_parallel): Convert t to
1944 receiver_decl's type.
1945 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1946 source before comparison.
1949 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1950 to itype in assignment to oldival2.
1952 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1956 * c-typeck.c (build_compound_expr): If the second expression
1957 is an error mark, then just return an error mark instead of
1958 creating a COMPOUND_EXPR.
1960 2006-07-14 Mike Stump <mrs@apple.com>
1962 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1964 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1966 * c-decl.c, var-tracking.c: Fix comment typos.
1968 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1970 PR rtl-optimization/28634
1971 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1972 for floating-point modes unless flag_unsafe_math_optimizations.
1974 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1975 Andrew Pinski <pinskia@physics.uc.edu>
1978 * tree.c (build_array_type): Unify array types with
1979 unspecified index_type.
1980 * c-decl.c (grokdeclarator): Make sure we do not modify a
1981 unified incomplete array type.
1982 * c-typeck.c (store_init_value): Create distinct type before
1983 filling in the index type in an initializer from a compound
1986 * c-decl.c (grokdeclarator): Remove code where we copy the
1989 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1991 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1992 into account for TODO_dump_cgraph.
1993 (TODO_update_ssa_no_phi): Likewise.
1994 (TODO_update_ssa_full_phi): Likewise.
1995 (TODO_update_ssa_only_virtuals): Likewise.
1996 (TODO_remove_unused_locals): Likewise.
1997 (TODO_set_props): Likewise.
1998 (TODO_update_stmt_usage): Likewise.
2000 2006-08-13 Dirk Mueller <dmueller@suse.de>
2002 * c-common.c (strict_aliasing_warning): Fix formatting.
2004 2006-08-13 Matthias Klose <doko@debian.org>
2006 * doc/invoke.texi: Fix spelling errors.
2008 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2010 PR rtl-optimization/23454
2011 * reorg.c (relax_delay_slots): Update comment.
2013 2006-08-11 Richard Guenther <rguenther@suse.de>
2016 * simplify-rtx.c (simplify_const_relational_operation):
2017 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2020 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2022 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2023 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2025 2006-08-10 Paul Brook <paul@codesourcery.com>
2027 * final.c (final_scan_insn): Clear current_insn_predicate before
2028 outputting inline asm.
2030 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2032 PR tree-optimization/26197
2033 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2034 get_ref_base_and_extent and overlap_subvar to add only relevant
2035 subvars as may-aliases.
2036 (add_may_alias_for_new_tag): New function, factored out of
2038 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2039 with additional argument.
2040 * tree-flow.h (new_type_alias): Takes additional argument.
2042 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2044 * gcov.c (no_data_file): New flag.
2045 (read_count_file): Set it if data file not present. Assume counts
2047 (output_lines): Don't name the data file, if there wasn't one.
2049 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2051 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2052 (rs6000_generate_compare): Tweak comments.
2053 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2055 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2057 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2058 (var_debug_decl): New function.
2059 (var_reg_set): Follow debug decl link. Add location even if
2060 reg is already known to hold some other variable.
2061 (var_mem_set): Follow debug decl link.
2062 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2063 decl link. Delete other known locations of the variable part
2065 (var_reg_delete, var_mem_delete): Delete other known locations
2066 of the variable part if requested.
2067 (same_variable_part_p): New function.
2068 (add_stores): Select MO_COPY when appropriate.
2069 (vt_initialize): Handle it.
2070 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2071 known locations for MO_SET and MO_CLOBBER.
2072 (find_variable_location_part): New function.
2073 (set_variable_part, delete_variable_part): Use it.
2074 (clobber_variable_part): New function.
2075 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2078 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2080 PR tree-optimization/26969
2081 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2082 with an empty list of PHIs.
2084 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2088 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2091 2006-08-06 Andreas Schwab <schwab@suse.de>
2093 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2094 string. Whitespace and comment fixup.
2096 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2099 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2103 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2106 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2108 2006-08-04 Jan Hubicka <jh@suse.cz>
2112 * reload.c (push_reload): Patch out the mismatching instruction;
2114 (find_reload): Bail out if the instruction was patched out.
2116 2006-08-04 Jan Hubicka <jh@suse.cz>
2118 PR tree-optimization/24888
2119 * tree-inline.c (expand_call_inline): Do not re-record variables.
2120 (declare_inline_vars): Add variable to unexpanded_var_list.
2122 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2123 Roger Sayle <roger@eyesopen.com>
2125 PR rtl-optimization/26244
2126 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2127 inner_const are negative or greater than or equal to the bitsize of
2128 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2129 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2130 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2131 CONST0_RTX (mode) when the new shift count is greater than or equal to
2132 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2135 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2137 * tree-cfg.c: Fix a comment typo.
2139 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2142 * varasm.c (output_constant): Give the front end another chance to
2143 expand constants, after stripping NOPs.
2145 2006-08-03 Jan Hubicka <jh@suse.cz>
2147 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2150 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2152 PR tree-optimization/27770
2153 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2154 declaration removed (moved to tree-flow.h).
2155 (vect_can_force_dr_alignment_p): Likewise.
2156 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2157 (moved from tree-vectorizer.h).
2158 (vect_can_force_dr_alignment_p): Likewise.
2159 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2160 from outside the vectorizer - in particular from cgraph stage.
2161 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2162 the alignment of global arrays when -fsection-anchors is enabled.
2163 * cgraphunit.c (cgraph_increase_alignment): New function.
2164 (cgraph_optimize): Call cgraph_increase_alignment.
2166 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2169 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2170 not reload a SPE symbol_ref into a lo_sum address.
2172 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2175 * dwarf2out.c (prune_unused_types_prune): Move call to
2176 prune_unused_types_update_strings to cover the parent DIE also.
2178 2006-08-02 Jan Hubicka <jh@suse.cz>
2180 PR gcov/profile/28480
2181 * tree-cfg.c (change_bb_for_stmt): New function.
2182 (tree_merge_blocks, tree_split_blocks): Use it.
2184 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2190 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2191 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2192 (cgraph_optimize): Likewise.
2194 2006-08-01 Stuart Hastings <stuart@apple.com>
2196 * rtl.h (UINTVAL) New.
2197 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2198 * testsuite/gcc.dg/20060801-1.c: New.
2200 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2203 * c-typeck.c (build_external_type): Mark used enum types.
2204 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2206 (gen_subprogram_die): Whitespace fix.
2208 2006-08-01 Jan Hubicka <jh@suse.cz>
2210 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2211 bitmap when not needed.
2212 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2215 2006-08-01 Dirk Mueller <dmueller@suse.de>
2217 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2219 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2221 * Makefile.in: Revert part of previous patch:
2222 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2225 2006-07-30 Eric Christopher <echristo@apple.com>
2228 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2229 (PowerPC Variable Attributes): New section.
2231 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2233 PR target/28126 (partial fix)
2234 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2236 2006-07-28 Jan Hubicka <jh@suse.cz>
2238 PR rtl-optimization/28071
2239 * cfgrtl.c (rtl_delete_block): Free regsets.
2240 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2242 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2244 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2245 and variables used in dependencies.
2247 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2249 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2250 %fs for -mcmodel=kernel.
2251 (stack_tls_protect_test_di): Likewise.
2253 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2255 * Makefile.in: Use mkinstalldirs.
2257 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2260 * opts-common.c (prune_options): Skip joined switches.
2262 2006-07-27 Jan Hubicka <jh@suse.cz>
2264 PR rtl-optimization/28071
2265 * cselib.c (cselib_process_insn): Don't remove useless values too
2266 often for very large hashtables.
2268 2006-07-27 Jan Hubicka <jh@suse.cz>
2270 PR rtl-optimization/28071
2271 * global.c (greg_obstack): New obstack.
2272 (allocate_bb_info): Use it.
2273 (free_bb_info): Likewise.
2274 (modify_reg_pav): Likewise.
2276 2006-07-27 Roger Sayle <roger@eyesopen.com>
2278 * builtins.c (fold_fixed_mathfn): When long and long long are the
2279 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2280 functions to their lceil*, lfloor*, lround* and lrint* forms.
2282 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2285 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2287 (rev_branch_insn): Likewise.
2289 2006-07-27 Jan Hubicka <jh@suse.cz>
2291 PR rtl-optimization/28071
2292 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2293 (reg_set_in_bb, max_reg_computed): New static variables.
2294 (regmove_optimize): Free the new array.
2295 (fixup_match_1): Update call of reg_is_remote_constant_p.
2297 2006-07-26 Jan Hubicka <jh@suse.cz>
2299 PR tree-optimization/27882
2300 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2302 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2304 (cgraph_analyze_compilation_unit): Likewise.
2305 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2306 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2307 (cgraph_early_inlinine): Make order garbage collected.
2308 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2310 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2312 * dbxout.c (output_types_sort): Add a comment.
2313 (output_used_types): Free the VEC.
2315 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2317 * function.c (reorder_fix_fragments): Delete.
2318 (reorder_blocks): Don't call it.
2319 (reorder_blocks_1): Put all subblocks under the origin block.
2321 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2323 PR rtl-optimization/27907
2324 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2327 2006-07-25 Roger Sayle <roger@eyesopen.com>
2330 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2331 bar(x) check that bar's result type can represent all the values of T.
2333 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2335 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2337 2006-07-25 Nick Clifton <nickc@redhat.com>
2339 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2340 size_lookup[] array.
2341 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2342 (ggc_pch_count_object): Likewise.
2343 (ggc_pch_alloc_object): Likewise.
2344 (ggc_pch_write_object): Likewise.
2345 (init_ggc): Do not attempt to initialize entries in the
2346 size_lookup[] array for objects whose size is greater than than
2347 the length of the array.
2349 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2351 * dbxout.c (output_used_types_helper): Push queued types
2353 (output_types_sort): New.
2354 (output_used_types): Collect used types on a VEC and sort them
2357 2006-07-24 Richard Guenther <rguenther@suse.de>
2360 * cgraph.c (cgraph_remove_node): Do not check if dumps
2362 * cgraphunit.c (cgraph_optimize): Likewise.
2364 2006-07-24 Jan Hubicka <jh@suse.cz>
2366 PR rtl-optimization/28071
2367 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2368 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2369 splitting before first stmt.
2371 2006-07-24 Jan Hubicka <jh@suse.cz>
2373 PR rtl-optimization/28071
2374 * ipa-inline.c (update_caller_keys): Remove edges that
2375 are no longer inline candidates.
2377 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2380 * dbxout.c (output_used_types_helper, output_used_types): New.
2381 (dbxout_symbol): Call output_used_types.
2383 2006-07-23 Jan Hubicka <jh@suse.cz>
2387 * cgraph.c (cgraph_varpool_nodes): Export.
2388 (decide_is_variable_needed): Ignored "used" attribute in
2389 unit-at-a-time mode.
2390 * cgraph.h (cgraph_varpool_nodes): Declare.
2391 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2392 unit-at-a-time mode.
2394 2006-07-23 Roger Sayle <roger@eyesopen.com>
2397 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2398 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2399 the __gthrw form of thr_keycreate.
2400 (__gthread_key_delete): Silence the unused argument warning.
2402 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2405 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2406 Cache the last found '\0' marker to avoid quadratic behavior.
2408 2006-07-23 Jan Hubicka <jh@suse.cz>
2410 * i386.md (subsi_3_zext): Fix output template.
2412 2006-07-21 Mike Stump <mrs@apple.com>
2414 * doc/invoke.texi (C++ Dialect Options): Note that
2415 -fvisibility-inlines-hidden doesn't affect explicitly
2416 instantiationed inline methods.
2418 2006-07-20 Roger Sayle <roger@eyesopen.com>
2420 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2421 if the target assembler is GNU binutils' gas.
2422 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2423 whether to pass GNU gas or native as command line options.
2425 2006-07-20 Jason Merrill <jason@redhat.com>
2427 * tree.c (remove_attribute): New fn.
2428 * tree.h: Declare it.
2430 2006-07-20 Paul Brook <paul@codesourcery.com>
2433 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2434 they are invalidated by this instruction.
2436 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2439 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2441 2006-07-20 Eric Christopher <echristo@apple.com>
2444 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2446 2006-07-19 Eric Christopher <echristo@apple.com>
2448 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2449 Rewrite dependencies for libgcc_s.1.dylib.
2451 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2453 * except.c (duplicate_eh_regions_1): Clear next_peer.
2455 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2457 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2458 -mlongcall does not guarantee all calls will be long.
2459 * doc/extend.texi (long_call/short_call): Document that longcall
2460 does not guarantee a long call will be used.
2461 (longcall/shortcall): Likewise.
2463 2006-07-18 Roger Sayle <roger@eyesopen.com>
2466 * expmed.c (expand_shift): Additionally check that the shift_cost
2467 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2468 before implementing a LSHIFT_EXPR as a sequence of additions.
2469 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2470 middle-end that DImode shifts need to be synthesized by expand.
2472 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2475 * tree-ssa-operands.c (access_can_touch_variable): Update
2477 Return true if ALIAS is .GLOBAL_VAR.
2479 2006-07-18 David Daney <ddaney@avtrex.com>
2481 * gcc.c (display_help): Fix typo in help text.
2483 2006-07-18 Olivier Hainque <hainque@adacore.com>
2485 * tree.h (categorize_ctor_elements): Adjust prototype and add
2486 descriptive comment, both in accordance with the interface change
2488 * varasm.c (constructor_static_from_elts_p): New function.
2489 Whether a constructor node is a valid static constant initializer
2490 if all its elements are.
2491 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2492 * output.h: Declare it.
2493 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2494 is a valid constant initializer instead of computing the number of
2495 non-constant elements. Use constructor_static_from_elts_p for this
2496 purpose. Replace the head comment with an indication that this is a
2497 helper for categorize_ctor_elements.
2498 (categorize_ctor_elements): Same interface change as for the _1
2499 helper. Former head comment from this helper moved here, adjusted to
2500 account for the interface changes.
2501 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2502 (all_zeros_p): Likewise.
2503 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2504 static versions of the constructor from the categorize_ctor_elements
2505 return value instead of the formerly computed number of non-constant
2508 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2510 * configure: Regenerate.
2511 * Makefile.in (build_libsubdir): New configure substitution
2512 (build_libobjdir): New variable.
2513 (BUILD_LIBIBERTY): Use it.
2515 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2518 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2520 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2523 * c-common.c (handle_weakref_attribute): Ignore attribute in
2524 the same conditions the alias attribute is ignored.
2526 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2528 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2529 (dbxout_begin_prologue): Increment scope_labelno.
2531 2006-07-17 Richard Henderson <rth@redhat.com>
2534 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2537 2006-07-17 Roger Sayle <roger@eyesopen.com>
2538 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2540 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2541 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2542 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2543 functions such as sbrk, write, etc.. Add function prototypes.
2544 Convert function declarations from K&R to ISO C. Cast pointers
2545 to "long" and "unsigned long" instead of "int" and "unsigned int".
2546 Convert tokens following #endif into comments.
2548 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2550 * invoke.texi: Remove mention of f77; Reformat table for
2551 inline parameter options correctly; mention that -malign-double
2552 is default on x86-64 targets.
2554 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2556 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2557 (convert_affine_scev, chrec_convert_aggressive): Use
2558 avoid_arithmetics_in_type_p. Do not check for the subtypes
2561 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2564 * optabs.c (expand_doubleword_shift): Wrap the call to
2565 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2567 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2570 * optabs.c (expand_binop): Pass next_methods rather than methods
2571 to expand_doubleword_shift.
2573 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2576 * tree.h (dump_addr): Declare.
2577 * print-tree.c (dump_addr): New function.
2578 (print_node_brief, print_node): Use it.
2579 * print-rtl.c (print_rtx): Likewise.
2580 * common.opt (-fdump-noaddr): New option.
2581 * doc/invoke.texi (-fdump-noaddr): Document.
2582 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2583 (ve_info_hash): Likewise.
2585 2006-07-13 Andrew Haley <aph@redhat.com>
2587 PR tree-optimization/19505
2588 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2589 edge leaving this block, make sure that the destination of this
2590 block has only one predecessor.
2592 2006-07-17 Richard Guenther <rguenther@suse.de>
2594 PR tree-optimization/28238
2595 * tree-inline.c (copy_bb): Check if we produced valid
2596 gimple copying and substituting a stmt. If not, gimplify
2599 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2601 * optabs.c (maybe_encapsulate_block): New function extracted from...
2602 (emit_libcall_block): ...here. Invoke it on the block of insns to
2603 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2604 (emit_no_conflict_block): Likewise.
2606 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2608 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2610 2006-07-15 Roger Sayle <roger@eyesopen.com>
2612 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2613 a new NOP_EXPR case of the switch statement.
2615 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2618 * stor-layout.c (place_field): Take the bit field with
2619 an excessive size into account in the ms-bitfiled case.
2622 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2623 the previous bit field.
2625 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2628 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2630 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2632 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2633 signal frames correctly even when the signal was installed with
2636 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2638 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2639 (dbxout_function_end): Use local label LFBB. Remove hook
2641 (dbxout_source_line): Use local label LFBB.
2642 (dbxout_block): Likewise.
2643 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2644 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2645 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2646 and DBX_OUTPUT_NFUN.
2648 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2650 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2652 2006-07-13 Jan Hubicka <jh@suse.cz>
2654 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2656 * output.h (align_variable): Declare.
2657 * varasm.c (align_variable): Export.
2658 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2659 when basic block changed.
2661 2006-07-13 Nick Clifton <nickc@redhat.com>
2663 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2664 walking the LOG_LINKS chain.
2666 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2668 * doc/invoke.texi (C++ Dialect Options): Explain difference
2669 between -fvisibility-inlines-hidden and setting hidden
2670 visibility explicitly.
2672 2006-07-12 Eric Christopher <echristo@apple.com>
2674 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2675 (stmp-lipo): Depend on libgcc.a.
2677 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2679 * tree.c: Fix a comment typo.
2681 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2683 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2685 (umulhisi3_r): Likewise.
2687 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2690 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2691 x < 19, vs wchar_t support.
2693 2006-07-12 Nick Clifton <nickc@redhat.com>
2695 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2696 instead of -isa=sh4.
2698 2006-07-12 Mike Stump <mrs@apple.com>
2700 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2702 2006-07-10 Eric Christopher <echristo@apple.com>
2704 * config/t-slibgcc-darwin: Rewrite.
2706 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2709 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2712 2006-07-08 Matthias Klose <doko@debian.org>
2714 * doc/sourcebuild.texi: Fix typo.
2716 2006-07-07 Mike Stump <mrs@apple.com>
2718 * toplev.c (process_options): Don't give -ffunction-sections may
2719 affect debugging warning for Mach-O.
2721 2006-07-07 James E Wilson <wilson@specifix.com>
2723 * config/mips/mips.md (cpu): Add sb1a.
2724 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2725 addition to sb1. Adjust comments to clarify SB-1A differences from
2727 (ir_sb1a_load): New. Modify bypasses to use it.
2728 (ir_sb1a_simple_alu): Likewise.
2729 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2730 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2731 (mips_issue_rate): Add PROCESSOR_SB1A.
2732 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2733 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2734 (TARGET_SB1): Add PROCESSOR_SB1A check.
2735 (TUNE_SB1): Likewise.
2737 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2738 * config/mips/mips.c (mips_store_data_bypass_p): New.
2739 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2740 store_data_bypass_p.
2742 2006-07-08 Paul Brook <paul@codesourcery.com>
2745 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2747 2006-07-07 Richard Guenther <rguenther@suse.de>
2750 * tree.h (build_one_cst): Declare.
2751 * tree.c (build_one_cst): New function.
2752 * tree-ssa-math-opts.c (get_constant_one): Remove.
2753 (insert_reciprocals): Use build_one_cst.
2754 * fold-const.c (fold_plusminus_mult): Likewise.
2756 2006-07-07 Roger Sayle <roger@eyesopen.com>
2758 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2759 * cfgloopanal.c (dump_graph): Likewise.
2760 * dojump.c (discard_pending_stack_adjust): Likewise.
2761 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2763 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2764 * function.c (finalize_block_changes): Likewise.
2765 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2766 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2767 * rtl.c (dump_rtx_statistics): Likewise.
2768 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2770 * varray.c (dump_varray_statistics): Likewise.
2771 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2772 decode_decimal64, encode_decimal128, decode_decimal128,
2773 decimal_real_to_decimal): Likewise.
2775 2006-07-07 Richard Guenther <rguenther@suse.de>
2777 PR tree-optimization/28187
2778 * tree-vrp.c (vrp_operand_equal_p): New function.
2779 (vrp_bitmap_equal_p): Likewise.
2780 (update_value_range): Use them to compare old and new
2783 2006-07-06 Roger Sayle <roger@eyesopen.com>
2785 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2786 a default case to switch statement to silence compiler warnings.
2788 2006-07-06 Roger Sayle <roger@eyesopen.com>
2791 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2792 the configured assembler supports the x87's ffreep mnemonic.
2793 * configure: Regenerate.
2794 * config.in: Regenerate.
2796 * config/i386/i386.c (output_387_ffreep): New function.
2797 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2798 (output_387_reg_move): Likewise.
2800 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2802 Port to hosts whose 'sort' and 'tail' implementations
2803 treat operands with leading '+' as file names, as POSIX
2804 has required since 2001. However, make sure the code still
2805 works on pre-POSIX hosts.
2806 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2807 which says you should use "tail -c +N" rather than "tail +Nc".
2808 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2810 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2812 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2815 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2818 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2819 PRE_{INC,DEC} of TFmode.
2821 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2822 Alan Modra <amodra@bigpond.net.au>
2825 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2828 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2831 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2832 Remove duplicate gtu.
2834 2006-07-05 Jason Merrill <jason@redhat.com>
2838 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2839 * c-common.c (handle_packed_attribute): So don't copy it here.
2840 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2842 2006-07-05 Mike Stump <mrs@apple.com>
2844 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2846 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2849 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2851 2006-07-05 Richard Guenther <rguenther@suse.de>
2854 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2855 TARGET_SSE2 targets if using SSE math.
2856 (*absdf2_1): Likewise.
2858 2006-07-05 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/28162
2861 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2862 make sure to convert the operands to the correct type.
2864 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2866 PR tree-optimization/28218
2868 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2869 to calculate and free the dominator information.
2871 2006-07-04 Peter O'Gorman <peter@pogma.com>
2873 * mklibgcc.in: chmod 644 before ranlib during install.
2875 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2876 J"orn Rennecke <joern.rennecke@st.com>
2878 * configure.ac (.eh_frame data check): Use diff -b.
2880 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2883 * Makefile.in (BUILD_RTL): Add build/vec.o.
2884 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2885 (build/genextract): Delete.
2886 (build/genautomata): Likewise.
2888 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2891 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2892 128-bit IBM long doubles for ABI_V4.
2894 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2896 * tree.c (range_in_array_bounds_p): New predicate.
2897 * tree.h (range_in_array_bounds_p): Declare it.
2898 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2899 return a less conservative answer.
2900 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2901 and flag 'is_group'.
2902 (IS_ELEMENT_FOR_GROUP): New macro.
2903 (FOR_EACH_ACTUAL_CHILD): Likewise.
2904 (next_child_for_group): New helper function.
2905 (can_completely_scalarize_p): Take into account groups.
2906 (sra_hash_tree): Handle RANGE_EXPR.
2907 (sra_elt_eq): Likewise.
2908 (lookup_element): Be prepared for handling groups.
2909 (is_valid_const_index): Delete.
2910 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2911 instead of is_valid_const_index.
2912 <ARRAY_RANGE_REF>: New case.
2913 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2914 is_valid_const_index.
2915 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2916 (scan_dump): Dump info for groups too.
2917 (decide_instantiation_1): Likewise.
2918 (decide_block_copy): Assert that the element is not a group.
2919 Propagate decision to groups.
2920 (generate_one_element_ref): Handle RANGE_EXPR.
2921 (mark_no_warning): Iterate over actual childs.
2922 (generate_copy_inout): Likewise.
2923 (generate_element_copy): Likewise.
2924 (generate_element_zero): Likewise.
2925 (generate_element_init_1): Likewise.
2926 (dump_sra_elt_name): Handle RANGE_EXPR.
2928 2006-07-03 Roger Sayle <roger@eyesopen.com>
2930 PR tree-optimization/26251
2931 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2932 (thread_block): When optimizing for size refuse to thread jumps
2933 that would require duplication of blocks other than redirection
2936 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2938 * configure.ac: Fix thinko in previous check-in.
2939 * configure: Regenerate.
2941 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2944 * configure.ac (for lang...): Simplify nesting of conditionals.
2945 Test subdir_requires for non-enabled languages. Move processing
2946 of lang_opt_files and lang_tree_fiels below that test.
2947 * configure: Regenerate.
2948 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2950 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2952 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2954 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2956 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2959 2006-06-29 Jason Merrill <jason@redhat.com>
2966 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2967 * c-common.c (c_determine_visibility): Handle it here.
2968 * c-decl.c (finish_decl): Call c_determine_visibility for
2970 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2972 * varasm.c (default_assemble_visibility): Likewise.
2973 * c-common.c (handle_visibility_attribute): Complain about trying
2974 to give visibility to an already defined class, or trying to change
2975 declared visibility. Always attach the attribute.
2980 * attribs.c (decl_attributes): Ignore type-in-place attributes
2981 once the type has been defined.
2983 2006-06-29 Roger Sayle <roger@eyesopen.com>
2986 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2987 to indicate the cpplib has issued an error message for us.
2989 2006-06-29 Asher Langton <langton2@llnl.gov>
2992 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2993 insert a label at the end of an function under Mach-O.
2995 2006-06-29 Eric Christopher <echristo@apple.com>
2996 Evan Cheng <evan.cheng@apple.com>
2998 * predicates.md (vector_all_ones_operand): New.
2999 (nonimmediate_or_sse_const_operand): Ditto.
3000 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3001 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3002 (standard_sse_mode_p): Ditto.
3003 (standard_sse_constant_p): Add case for -1 vector.
3004 (ix86_expand_vector_move): Try to use.
3005 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3006 Call standard_sse_constant_opcode.
3007 (*movv4sf_internal): Ditto.
3008 (*movv2df_internal): Ditto.
3010 2006-06-29 Roger Sayle <roger@eyesopen.com>
3012 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3013 of XEXP to extract the operands of a MATCH_CODE rtx.
3015 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3017 * tree.c (tree_size): Do not waste tail padding in
3018 struct tree_string and make the size be the same as
3019 build_string will generate.
3021 2006-06-28 Jason Merrill <jason@redhat.com>
3024 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3025 may_aliases already in the tag's annotations to the bitmap.
3027 2006-06-28 Roger Sayle <roger@eyesopen.com>
3029 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3031 2006-06-28 Roger Sayle <roger@eyesopen.com>
3033 * genpreds.c (generate_switch_p): New function.
3034 (add_mode_tests): Push the new mode test down inside an AND expr
3035 if this allows the switch-suitable MATCH_CODE to be near the root.
3036 (write_match_code_switch): New function to write a MATCH_CODE as
3038 (write_predicate_stmts): New function to write a predicate RTX
3039 expression as a sequence of statements.
3040 (write_one_predicate_function): Use write_predicate_stmts.
3041 (write_tm_constrs_h): Likewise.
3043 2006-06-26 Fred Fish <fnf@specifix.com>
3045 * config/mips/t-sb1: New file.
3046 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3049 2006-06-26 DJ Delorie <dj@redhat.com>
3051 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3053 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3054 Jayant Sonar <jayants@kpitcummins.com>
3055 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3057 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3058 (subsi3, subsi3_1, subsi3_2): New.
3059 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3060 * config/m32c/mov.md (SI mov peephole): New.
3061 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3062 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3064 2006-06-26 Olivier Hainque <hainque@adacore.com>
3066 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3067 a CALL_EXPR target function declaration.
3069 2006-06-26 Richard Guenther <rguenther@suse.de>
3071 * tree.c (build_string): Do not waste tail padding in
3074 2006-06-26 Richard Guenther <rguenther@suse.de>
3076 * ggc-page.c (init_ggc): Add missing element to size_lookup
3080 2006-06-23 Richard Guenther <rguenther@suse.de>
3082 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3083 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3084 alignment requests instead. Add verification code.
3085 Add struct tree_function_decl and struct tree_binfo size to
3086 extra_order_size_table. Add missing element to size_lookup
3089 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3092 * fold-const.c (const_binop): Be prepared for self returning zero.
3093 Simplify code handling complex values.
3095 2006-06-24 Olivier Hainque <hainque@adacore.com>
3097 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3098 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3101 2006-06-24 Olivier Hainque <hainque@adacore.com>
3103 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3104 ARRAY_REF, so have the callback called for the low bound expression.
3106 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3108 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3109 * c-typeck.c (c_common_type): Disallow operations on decimal float
3110 types and other float types.
3111 * convert.c (convert_to_real): Don't ignore conversions involving
3112 decimal float types.
3114 2006-06-23 Olivier Hainque <hainque@adacore.com>
3116 * tree.c (max_int_size_in_bytes): New function, inspired from
3117 code in function.c:assign_temp.
3118 * tree.h (max_int_size_in_bytes): Declare.
3119 * function.c (assign_temp): Use it.
3120 * gimplify.c (create_tmp_var): Relax the assertions on the type
3121 properties, not mandating constant size any more.
3122 (force_constant_size): New static function.
3123 (gimple_add_tmp_var): Use it, forcing variable size to a
3124 constant upper bound if it is not constant on entry.
3126 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3129 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3130 for initialization and setting of one_only flag to ...
3131 (i386_pe_encode_section_info): ...here.
3132 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3133 Recheck that the symbol has not been defined.
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 2006-06-22 Roger Sayle <roger@eyesopen.com>
3145 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3148 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3149 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3151 2006-06-23 Ben Elliston <bje@au.ibm.com>
3153 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3154 negate dn -- manipulate it directly.
3156 2006-06-22 Roger Sayle <roger@eyesopen.com>
3157 Steven Bosscher <stevenb.gcc@gmail.com>
3160 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3161 generated by gen_move_insn to add REG_LABEL notes if necessary.
3163 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3165 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3166 (leaf_entry): Remove use of MIN_ESA.
3168 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3170 PR rtl-optimization/28121
3171 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3174 2006-06-21 DJ Delorie <dj@redhat.com>
3176 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3178 (mulhisi3_r): Likewise.
3180 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3183 * coverage.c (coverage_counter_alloc): Leave the index type
3185 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3188 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3190 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3191 section from the "Options for Code Generation Conventions".
3193 2006-06-21 Richard Henderson <rth@redhat.com>
3197 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3199 (global_symbolic_operand): Allow weak symbols, even if local_p.
3201 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3203 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3204 (find_interesting_uses_address): Punt if above function returns true.
3206 2006-06-21 Richard Guenther <rguenther@suse.de>
3208 * configure: Regenerated.
3210 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3212 * config/mips/mips.c (function_arg): Where one part of a
3213 complex argument is in registers and the other part in the stack,
3214 return a REG not a PARALLEL.
3216 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3218 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3219 when cross-compiling. Do not substitute libstdcxx_incdir.
3220 * configure: Regenerated.
3222 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3224 * varasm.c (mergeable_string_section): Check for embedded NULs and
3225 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3226 rather than TREE_STRING_LENGTH bytes.
3228 2006-06-21 Richard Guenther <rguenther@suse.de>
3230 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3231 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3234 2006-06-21 Richrad Guenther <rguenther@suse.de>
3236 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3237 Limit iteration over the dominators.
3239 2006-06-20 Roger Sayle <roger@eyesopen.com>
3241 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3242 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3244 2006-06-20 Richard Guenther <rguenther@suse.de>
3245 Michael Matz <matz@suse.de>
3247 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3249 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3250 * et-forest.h (et_free_pools): Prototype new function.
3251 * et-forest.c (et_free_tree_force): Free parent occurrence.
3252 (et_free_pools): New function.
3253 * dominance.c (free_dominance_info): Free et-forest alloc
3256 2006-06-20 Roger Sayle <roger@eyesopen.com>
3258 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3259 integer modes, attempt to directly construct an integer constant.
3261 * fold-const.c (native_encode_vector): Determine the size of each
3262 element from the vector type instead of the first vector element.
3264 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3265 if all of its elements/components are constant.
3266 (build_constructor_from_list): Likewise.
3268 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3270 PR tree-optimization/27331
3271 * tree-data-ref.c (free_data_ref): New function.
3272 (create_data_ref): Fail if the data reference has unknown access
3274 (free_data_refs): Use free_data_ref.
3276 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3279 * tree-inline.c (setup_one_parameter): Strip useless
3280 type conversion before adding it to the IR.
3281 (declare_return_variable): Likewise.
3283 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3286 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3288 2006-06-19 Mike Stump <mrs@apple.com>
3290 * tree.c (variably_modified_type_p): VM arguments don't make the
3293 2006-06-19 Richard Guenther <rguenther@suse.de>
3295 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3296 type conversions after folding.
3298 2006-06-19 Richard Guenther <rguenther@suse.de>
3300 * ggc-page.c (extra_order_size_tab): Add entries with
3301 size of struct function and basic_block.
3302 (size_lookup): Extend to cover sizes up to 511.
3303 (ggc_alloc_stat): Adjust user.
3304 (ggc_pch_count_object): Likewise.
3305 (ggc_pch_alloc_object): Likewise.
3306 (ggc_pch_write_object): Likewise.
3308 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3310 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3311 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3314 2006-06-19 Denis Chertykov <denisc@overta.ru>
3316 * config/avr/libgcc.S : Correct my wrong previous commit.
3318 2006-06-19 Roger Sayle <roger@eyesopen.com>
3321 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3322 have stripped a SUBREG from the shift count, so we may need to
3323 convert_to_mode back to the type's mode before calling make_tree.
3324 Use new_amount instead of amount to avoid expanding a tree twice.
3326 2006-06-19 Richard Guenther <rguenther@suse.de>
3329 * fold-const.c (operand_equal_p): Check if the argument types
3330 have the same precision before stripping NOPs.
3332 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3334 Fix PR tree-optimization/27341
3335 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3337 * tree-complex.c (pass_lower_complex): Update SMT usage.
3339 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3341 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3342 Add a new alternative to the constraint strings. Add move of
3343 operand 1 to 3 to the splitter definition.
3344 ("doloop_si_long"): Second contraint alternative removed.
3346 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3348 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3349 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3351 (AVR_HAVE_MOVW) Define.
3352 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3353 (ASM_SPEC): Add avr25.
3354 (LINK_SPEC): Add avr25.
3355 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3356 (base_arch_s): Add new member 'have_movw_lpmx'.
3357 (avr_arch_types): Init 'have_movw_lpmx'.
3358 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3359 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3360 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3361 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3362 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3364 (avr_file_start): Do not output '.arh' derective.
3365 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3366 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3367 * config/avr/avr.md (mcu_enhanced): Delete.
3368 (mcu_have_movw): Define.
3369 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3370 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3371 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3372 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3373 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3374 attiny861 and at86rf401 devices.
3376 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3378 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3381 2006-06-17 Karl Berry <karl@gnu.org>
3383 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3384 doc/gccint.texi, doc/install.texi (@dircategory): Use
3385 "Software development" instead of "Programming", following
3386 the Free Software Directory.
3388 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3390 * config/i386/i386.c (legitimate_tls_address)
3391 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3392 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3393 (*tls_dynamic_gnu2_combine_64): Likewise.
3395 2006-06-16 Richard Guenther <rguenther@suse.de>
3398 * fold-const.c (negate_expr_p): Do not introduce undefined
3399 overflow in negating INTEGER_CSTs.
3400 (fold_negate_expr): Rename from negate_expr. Revert last
3401 change for folding BIT_NOT_EXPR. Change semantics to
3402 return NULL_TREE for non-simplified negations. Do not
3403 strip type conversions and unify type handling.
3404 (negate_expr): New function, wrap around fold_negate_expr
3405 but ensure building a tree always. Strip type conversions
3406 here, fold to result type.
3407 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3409 2006-06-16 Roger Sayle <roger@eyesopen.com>
3412 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3413 that (would) return their results in stack registers.
3415 2006-06-16 Michael Matz <matz@suse.de>
3416 Richard Guenther <rguenther@suse.de>
3418 * fold-const.c (fold_truthop): Only return new tree node if
3419 we canonicalized something.
3421 2006-06-16 Richard Guenther <rguenther@suse.de>
3423 * function.h (enum function_frequency): Move declaration
3424 out of struct function.
3425 (struct function): Move bool fields and the enum to the bitfield
3426 section. Reorder elements to avoid padding. Remove unused
3427 fields left over from the RTL inliner removal.
3428 * function.c (free_after_compilation): Do not zero removed fields.
3429 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3430 (ipa-type-escape.o): Likewise.
3432 2006-06-16 Richard Guenther <rguenther@suse.de>
3434 * cgraph.h (struct cgraph_local_info): Turn bool elements
3436 (struct cgraph_node): Likewise.
3437 (struct cgraph_varpool_node): Likewise.
3439 2006-06-15 Richard Guenther <rguenther@suse.de>
3441 * fold-const.c (fold_truth_not_expr): Rename from
3442 invert_truthvalue. Give it fold_* semantics to avoid
3444 (invert_truthvalue): New function. Wrapper around
3445 fold_truth_not_expr.
3446 (optimize_minmax_comparison): Avoid creating garbage.
3447 (fold_unary): Use fold_truth_not_expr for folding
3449 (fold_ternary): Replace uses of invert_truthvalue with
3450 fold_truth_not_expr where applicable.
3451 * tree.h (fold_truth_not_expr): Prototype.
3453 2006-06-16 Richard Guenther <rguenther@suse.de>
3455 PR tree-optimization/27781
3456 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3457 * ipa-pure-const.c (target.h): Include.
3458 (analyze_function): Do not analyze functions that do not
3461 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3464 * tree-dfa.c (referenced_vars_dup_list): Remove.
3465 (find_referenced_vars): Remove assert.
3466 (referenced_var_check_and_insert): Replace dup list with assert.
3467 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3468 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3470 2006-06-15 Richard Guenther <rguenther@suse.de>
3472 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3473 extra unused identifiers if not dumping.
3474 (create_variable_info_for): Likewise.
3476 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3478 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3479 (derive_constant_upper_bound): Derive more precise upper bound in
3480 common cases. Return type changed to double_int.
3481 (record_estimate): Reflect the changed return type of
3482 derive_constant_upper_bound.
3483 * double-int.c (double_int_zext, double_int_sext): Fix.
3485 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3487 * configure.ac (CFLAGS): Get them from the toplevel or from the
3488 configure invocation.
3489 * configure: Regenerate.
3490 * Makefile.in (CFLAGS): Substitute value provided by configure.
3492 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3495 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3496 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3497 rather than calling add_stmt on it.
3498 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3500 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3503 * reload1.c (reload): Remove registers returned by update_eliminables
3504 from used_spill_regs.
3506 2006-06-13 DJ Delorie <dj@redhat.com>
3508 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3510 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3512 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3513 html__strip_dir, html__mkdir_p. Enhance install-html target.
3514 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3515 * configure: Regenerate.
3517 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3519 * fold-const.c (fold_cond_expr_with_comparison): Check for
3520 Objective-C++ as language in deciding COND_EXPR transformation.
3522 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3525 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3526 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3527 * config/sh/lib1funcs.h (SL, SL1): Define.
3528 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3529 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3530 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3531 (OBJS_Os_4_200): New variable.
3532 ($(T)libgcc-Os-4-200.a): Use it.
3533 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3534 when dividing 1 and/or by 0.
3536 2006-06-13 Roger Sayle <roger@eyesopen.com>
3538 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3539 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3540 * configure: Regenerate.
3542 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3544 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3545 for real instruction.
3547 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3550 * haifa-sched.c (check_cfg): Handle special case.
3552 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3555 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3556 Add debug_info parameter. Chain the vars to the BLOCK instead
3557 of the BIND_EXPR if debug info are requested for them.
3558 (pop_gimplify_context): Adjust for above change.
3559 (gimple_add_tmp_var): Likewise.
3560 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3562 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3563 (convert_local_reference): Likewise.
3564 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3565 (finalize_nesting_tree_1): Request that debug info be emitted
3566 for debug_var_chain.
3568 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3570 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3571 for PR target/27863.
3573 2006-06-13 Richard Guenther <rguenther@suse.de>
3576 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3578 2006-06-13 Richard Guenther <rguenther@suse.de>
3580 PR tree-optimization/27830
3581 * tree-inline.c (copy_body_r): For copying the operand
3582 of an ADDR_EXPR make sure to fold &* afterwards.
3584 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3586 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3587 lvalues in the fb_none case with side-effects.
3589 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3591 * tree-flow.h: Remove the prototype for
3592 compute_phi_arg_on_exit.
3593 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3594 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3597 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3599 * builtins.c (expand_builtin_return_addr): Only use
3600 frame_pointer_rtx when count == 0 and we are expanding
3601 __builtin_return_address.
3603 2006-06-12 Fred Fish <fnf@specifix.com>
3605 * config/mips/mips.c (mips_file_start): Create special section
3606 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3608 2006-06-11 Eric Christopher <echristo@apple.com>
3611 * stor-layout.c (place_field): Remove check for
3612 remaining_in_alignment when aligning at the end of a run.
3614 2006-06-11 Eric Christopher <echristo@apple.com>
3617 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3620 2006-06-11 Roger Sayle <roger@eyesopen.com>
3623 Revert incorrect fix for PR target/27158
3624 2006-05-08 Roger Sayle <roger@eyesopen.com>
3625 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3626 of a reg_equiv_constant if the result is a legitimate constant.
3628 2006-06-11 Roger Sayle <roger@eyesopen.com>
3631 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3632 extract a CONST_VECTOR element and interpret it as an integer.
3633 (vspltis_constant): Use const_vector_elt_as_int instead of the
3634 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3635 * config/rs6000/predicates.md (easy_vector_const): Consider
3636 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3638 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3641 * stor-layout.c (update_alignment_for_field): Don't add extra
3642 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3645 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3647 * config/mips/t-rtems: Add EL/EB multilib variants.
3649 2006-06-09 Mike Stump <mrs@apple.com>
3651 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3653 2006-06-09 David Daney <ddaney@avtrex.com>
3655 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3657 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3659 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3661 2006-06-09 Richard Guenther <rguenther@suse.de>
3663 PR tree-optimization/26998
3664 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3665 of signed types, only TYPE_MIN_VALUE is special, but for both,
3666 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3667 in this case, as is -fwrapv.
3669 2006-06-08 Mike Stump <mrs@apple.com>
3672 * config/darwin.c (darwin_asm_output_anchor): Disable
3673 -fsection-anchors on darwin for now.
3674 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3675 * rs6000/rs6000.c (optimization_options): Likewise.
3677 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3680 * config/i386/i386.c (classify_argument): Skip fields with invalid
3683 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3685 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3686 (cse_insn): Likewise for the stack_pointer_rtx.
3688 2006-06-08 Roger Sayle <roger@eyesopen.com>
3690 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3691 conditions from floating point comparisons.
3693 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3696 * expmed.c (struct alg_hash_entry): Fix type of field T
3697 to match synth_mult argument.
3698 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3700 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3703 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3706 2006-06-08 Richard Guenther <rguenther@suse.de>
3709 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3710 only, if overflow is defined and not trapping.
3711 (negate_expr): Likewise.
3713 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3715 PR tree-optimization/27872
3716 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3717 flag on the new exit edge of the unrolled loop.
3719 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3721 PR rtl-optimization/26449
3722 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3724 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3727 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3728 referenced_variables with matching DECL_UID's.
3729 (find_referenced_vars): Make sure duplicate list is empty to start.
3730 (referenced_var_p): Remove.
3731 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3732 Check if var is in the list, and add if needed. Update the duplicate
3733 list if a different var is in the list with the same DECL_UID.
3734 (add_referenced_var): Call routine to check and insert.
3735 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3736 * tree-flow.h (referenced_vars_dup_list): External declaration.
3738 2006-06-07 Fred Fish <fnf@specifix.com>
3740 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3743 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3746 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3747 the imaginary and real parts of a clobbered register.
3748 Emit insn to set the imaginary part.
3750 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3752 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3753 in lieu of unwind-dw2-fde.c.
3755 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3757 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3759 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3762 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3763 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3764 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3765 V4SImode temporaries and operations instead.
3767 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3769 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3772 2006-06-06 Mike Stump <mrs@apple.com>
3774 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3775 installing during build.
3777 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3779 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3781 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3782 * config/ia64/ia64.c (params.h): New header.
3783 (ia64_optimization_options): New function to adjust parameters.
3784 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3785 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3786 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3788 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3790 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3792 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3795 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3797 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3798 Victor Kaplansky <victork@il.ibm.com>
3800 PR tree-optimization/26360
3801 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3804 2006-06-04 Roger Sayle <roger@eyesopen.com>
3805 Andrew Pinski <pinskia@physics.uc.edu>
3808 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3809 for LABEL_DECL before calling DECL_WEAK.
3812 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3813 LABEL_DECL and PARM_DECL.
3815 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3819 * c-decl.c (grokdeclarator): Disallow variably modified types at
3820 file scope. Avoid marking shared array type of constant size as
3823 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3826 * c-common.c (fold_offsetof_1): Handle static members.
3828 2006-06-04 Eric Christopher <echristo@apple.com>
3830 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3831 (debug_rli): Output value for remaining_in_alignment.
3832 (update_alignment_for_field): Unconditionalize
3833 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3834 extra alignment code.
3835 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3836 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3837 * tree.h (record_layout_info_s): Remove prev_packed.
3838 * doc/extend.texi (ms_struct): Add documentation of format.
3840 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3842 * tree.h: Declare folding_initializer.
3843 * builtins.c (fold_builtin_constant_p): Give definite answer
3844 if folding inside an initializer.
3845 * fold-const.c: Define folding_initializer.
3846 (START_FOLD_INIT): Save and then set folding_initializer.
3847 (END_FOLD_INIT): Restore folding_initializer.
3849 2006-06-04 Richard Guenther <rguenther@suse.de>
3851 PR tree-optimization/27039
3852 * fold-const.c (fold_comparison): Handle pointer comparison
3853 again for all comparison codes. Compare offsets in signed
3855 (fold_binary): Move code from here.
3857 2006-06-03 Roger Sayle <roger@eyesopen.com>
3860 * config/i386/i386.c (construct_container): Split static issued_error
3861 flag into issued_sse_arg_error, issued_sse_ret_error and
3862 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3863 requires the use of x87 registers and the user explicitly
3864 specified the -mno-80387 command line option.
3866 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3868 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3869 HAVE_DECL_SIGALTSTACK.
3871 (segv_handler): Use MC_FLD.
3872 * configure.ac: Check for a sigaltstack declaration.
3873 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3874 * configure: Regenerate.
3875 * config.in: Regenerate.
3877 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3880 * Makefile.in (stmp-fixinc): Fix typo.
3882 2006-06-02 Roger Sayle <roger@eyesopen.com>
3884 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3885 are type correct. Clean-up.
3886 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3887 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3889 2006-06-01 DJ Delorie <dj@redhat.com>
3891 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3892 shift, as we've disabled the "switch" insn that needs it.
3894 2006-06-01 Per Bothner <bothner@bothner.com>
3896 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3897 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3898 * c-ppoutput.c (cb_define): Don't increment line 0.
3900 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3902 * doc/invoke.texi: Add cpu_type power6.
3903 * config.gcc: Add cpu_type power6.
3904 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3905 to power5+ with Altivec.
3906 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3907 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3909 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3911 * config/avr/avr.h (SET_ASM_OP): Define.
3913 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3915 * config/bfin/bfin.c: Fix comment typos.
3917 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3920 * doc/install.texi: Document --enable-bootstrap and
3921 --disable-bootstrap.
3923 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3925 * doc/install.texi: Document that InfoZIP can replace jar.
3927 2006-05-31 Roger Sayle <roger@eyesopen.com>
3929 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3930 isn't available, directly generate the simpler x87 patterns without
3931 the (use (const_int 0)).
3932 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3933 implementation isn't available.
3934 (*negdf2_1): Likewise.
3935 (*negxf2_1): XF mode negation is always done using the x87.
3936 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3938 2006-05-31 Roger Sayle <roger@eyesopen.com>
3940 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3941 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3943 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3945 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3947 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3948 * config/bfin/bfin.c (basic-block.h): Include.
3949 (struct machine_function): New.
3950 (bfin_init_machine_status): New.
3951 (override_options): Initialize init_machine_status.
3952 (bfin_hardware_loop): New.
3953 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3954 (DEF_VEC_P (loop_info)): New.
3955 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3956 (struct loop_info): New.
3957 (loop_info): New typedef.
3958 (struct loop_work): New.
3959 (loop_work): New typedef.
3960 (DEF_VEC_O (loop_work)): New.
3961 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3962 (bfin_dump_loops): New.
3963 (bfin_bb_in_loop): New.
3964 (bfin_scan_loop): New.
3965 (bfin_optimize_loop): New.
3966 (bfin_reorg_loops): New.
3967 (bfin_reorg): Use bfin_reorg_loops.
3968 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3970 (I_REGNO_P): Simplify.
3971 (DP_REGNO_P, DPREG_P): New macros.
3972 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3973 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3974 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3975 Add LT_REGS, LC_REGS, LB_REGS.
3976 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3978 (REGNO_REG_CLASS): Deal with loop registers.
3979 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3981 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3982 New constants for loop registers.
3983 (UNSPEC_LSETUP_END): New.
3984 (seq_insns): New define_attr. Set it for appropriate insns.
3985 (movsi_insn): Add alternatives for move from/to
3986 loop count registers.
3987 (doloop_end): New define_expand.
3988 (loop_end): New define_insn.
3989 (define_split for bad doloop_end): New.
3990 (lsetup_with_autoinit): New define_insn.
3991 (lsetup_without_autoinit): New define_insn.
3992 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3993 * config/bfin/predicates.md (lc_register_operand): New.
3994 (lt_register_operand): New.
3995 (lb_register_operand): New.
3996 (nondp_register_operand): New.
3997 (nondp_reg_or_memory_operand): New.
3998 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4000 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4002 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4003 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4005 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4007 * Makefile.in (CATALOGS): Add po/ prefix.
4008 * configure: Regenerated.
4010 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4013 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4014 a shift operand before calling shift_op. Avoid redundant call of
4017 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4018 DJ Delorie <dj@redhat.com>
4020 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4021 we're inserting is a singlt-bit constant.
4023 2006-05-30 Roger Sayle <roger@eyesopen.com>
4025 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4026 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4028 2006-05-30 Roger Sayle <roger@eyesopen.com>
4030 PR tree-optimization/23452
4031 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4032 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4033 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4034 complex values and with -ffast-math for FP complex values.
4036 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4038 * c-common.h: Remove the prototype for yyparse.
4039 * rtl.h: Remove the prototype for init_loop.
4041 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4043 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4046 2006-05-30 Roger Sayle <roger@eyesopen.com>
4048 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4050 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4051 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4053 2006-05-30 Dirk Mueller <dmueller@suse.de>
4056 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4057 for CONSTANT_CLASS_P expresisons.
4059 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4062 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4064 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4066 PR tree-optimization/27779
4067 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4068 initial_condition instead of CHREC_LEFT.
4070 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4072 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4073 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4074 Make prototypes ISO C90.
4076 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4077 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4079 * see.c (see_analyze_one_def): Correct check.
4080 (see_get_extension_data): Check if extension is parallel.
4081 (see_get_extension_reg): Likewise.
4083 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4086 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4087 into register for (code == GTU).
4089 2006-05-29 Roger Sayle <roger@eyesopen.com>
4091 PR tree-optimization/24964
4092 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4093 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4094 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4095 abs(x)*abs(x) as x*x for scalar floating point modes.
4097 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4100 * lambda-code.c (perfect_nestify): Don't copy statements
4101 in the inner loop: move them to the inner loop header.
4103 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4106 * c-tree.texi: Document OpenMP directives and clauses.
4108 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4110 * varasm.c (globalize_decl): Fix indentation.
4112 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4115 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4116 pass_fre, pass_store_ccp, pass_copy_prop,
4117 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4118 pass_return_slot, pass_object_size, pass_lim,
4119 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4120 pass_loop_prefetch and pass_stdarg.
4122 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4124 * config/bfin/bfin.opt (mfdpic): New option.
4125 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4126 (EXTRA_MULTILIB_PARTS): Likewise.
4127 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4128 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4130 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4131 (CRT_CALL_STATIC_FUNCTION): New.
4132 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4134 (CRT_CALL_STATIC_FUNCTION): New.
4135 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4137 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4138 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4139 (initialize_trampoline): Changed to handle FD-PIC code generation.
4140 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4141 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4142 (override_options): Disallow -mid-shared-library -mfdpic combination.
4143 Can't do unaligned ops if FD-PIC.
4144 Turn off flag_pic if trying to generate non-id-shared-library
4145 non-fdpic code, since it's not supported.
4146 (bfin_assemble_integer): New function.
4147 (TARGET_ASM_INTEGER): Define.
4148 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4150 * config/bfin/crtn.s: Restore them.
4151 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4153 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4154 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4155 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4156 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4157 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4159 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4160 FDPIC_REGS and FDPIC_FPTR_REGS.
4161 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4162 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4163 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4164 (load_funcdescsi): New pattern.
4165 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4166 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4167 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4169 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4171 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4174 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4176 * tree-flow.h: Remove the prototype for add_type_alias.
4177 * tree-ssa-alias.c (add_type_alias): Remove.
4179 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4181 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4182 config/fr30/fr30.md, config/i386/i386-interix.h,
4183 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4184 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4185 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4186 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4187 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4188 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4189 Follow spelling conventions.
4190 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4191 Follow spelling conventions.
4193 2006-05-27 Richard Guenther <rguenther@suse.de>
4196 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4197 to produce a constant of value 1 of generic type.
4199 2006-05-27 Dirk Mueller <dmueller@suse.de>
4201 * cgraphunit.c (decide_is_function_needed): Fix wrong
4204 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4206 PR rtl-optimization/27661
4207 * reload.c (find_reloads): When reloading a VOIDmode constant
4208 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4209 use Pmode as mode of the reload register.
4211 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4213 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4214 is enabled at -O and above.
4216 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4219 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4222 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4225 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4226 for anonymous variables explicitly declared by front ends.
4228 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4230 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4231 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4232 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4233 ref-all pointers, run a finalization pass for them.
4234 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4235 (finalize_ref_all_pointers): New function.
4236 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4237 regular pointer type to a ref-all pointer type.
4238 (get_tmt_for): Return the special memory tag for ref-all pointers.
4240 2006-05-25 Richard Guenther <rguenther@suse.de>
4243 * fold-const.c (fold_binary): Do not look at the stripped
4244 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4246 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4248 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4249 for LT and GT if the computed range is effectively empty.
4251 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4254 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4255 mips_quad_format formats instead of ieee_single_format,
4256 ieee_double_format and ieee_quad_format formats, respectively.
4258 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4260 PR tree-optimization/27639
4261 PR tree-optimization/26719
4262 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4263 call to scev_probably_wraps_p.
4264 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4265 used_in_pointer_arithmetic_p, convert_step): Removed.
4266 (nowrap_type_p): New function.
4267 (scev_probably_wraps_p): Rewritten.
4268 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4269 chrec_convert if chrec_convert_aggressive might have been used.
4270 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4271 scev_direction): New functions.
4272 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4273 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4274 instead of convert_step.
4275 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4276 (convert_step): Declaration removed.
4277 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4279 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4281 * df-core.c: Added to header comments.
4282 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4283 df_ur_bb_info, df_urec_bb_info): Added comments.
4284 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4285 urec, ri problems): Fixed header comments.
4286 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4287 code from df_rd_transfer_function.
4289 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4291 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4292 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4293 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4295 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4297 * expr.c (undefined_operand_subword_p): New.
4298 (emit_move_multi_word): Do not generate move from undefined bits
4299 of a paradoxical subreg.
4301 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4303 PR rtl-optimization/27736
4304 * combine.c (replaced_rhs_value): New variable.
4305 (combine_instructions): Set it.
4306 (distribute_notes): When distributing a note in replaced_rhs_insn,
4307 check whether the value was used in replaced_rhs_value.
4309 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4312 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4313 add_referenced_var instead of add_referenced_tmp_var.
4314 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4315 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4317 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4318 tree_optimize_tail_calls_1): Use add_referenced_var.
4319 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4320 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4321 Use add_referenced_var.
4322 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4323 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4324 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4325 Use add_referenced_var.
4326 * tree-dfa.c (struct walk_state): Remove.
4327 (find_referenced_vars): Remove walk state and vars_found hash table.
4328 (make_rename_temp): Use add_referenced_var.
4329 (find_vars_r): Pass less parameters to add_referenced_var.
4330 (referenced_var_p): New. Is var in referenced_var hash table.
4331 (referenced_var_insert): Assert var isn't already in hash table.
4332 (add_referenced_var): Don't need walk_state parameter. Add var if it
4333 isn't already in the hash table.
4334 (add_referenced_tmp_var): Remove.
4335 (find_new_referenced_vars_1): Use add_referenced_var.
4336 * tree-ssa-pre.c (create_expression_by_pieces,
4337 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4338 Use add_referenced_var.
4339 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4340 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4341 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4343 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4344 vect_create_data_ref_ptr, vect_create_destination_var,
4345 vect_init_vector, vect_build_loop_niters,
4346 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4347 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4348 Use add_referenced_var.
4349 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4350 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4351 (add_referenced_var): Add prototype.
4352 * tree-ssa-structalias.c (get_constraint_for,
4353 intra_create_variable_infos): Use add_referenced_var.
4355 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4357 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4358 big-endian paradoxical subregs.
4359 * var-tracking.c (struct micro_operation_def): Document that,
4360 for modify micro operations, insn is the subsequent instruction.
4361 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4362 (var_reg_set, var_mem_set): ... new functions.
4363 (add_stores): Record subsequent insn.
4364 (compute_bb_dataflow): Use new functions for MO_USE.
4365 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4366 notes after the insn, and modify notes before the insn known
4367 to be the subsequent one.
4368 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4370 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4373 * config/i386/i386.c (ix86_expand_builtin): Use
4374 gen_sse3_monitor64 for TARGET_64BIT.
4376 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4378 PR rtl-optimization/26375
4379 PR rtl-optimization/26855
4380 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4382 (df_ru_bb_local_compute): Reversed statements and removed bogus
4383 comment explaining why they should be in wrong order.
4384 (df_ru_dump, df_rd_dump): Enhanced debug info.
4385 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4387 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4388 reaching uses and fixed space problem.
4390 2006-05-23 Jan Hubicka <jh@suse.cz>
4392 * cgraphunit.c (decide_is_function_needed): Also nested functions
4393 and functions declared inline can be optimized out at -O0.
4395 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4397 * doc/install.texi (Configuration): Remove reference to CrossGCC
4401 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4404 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4405 ix86_compare_emitted is non-NULL.
4407 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4410 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4413 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4415 PR rtl-optimization/25514
4416 * combine.c (replaced_rhs_insn): New variable.
4417 (combine_instructions): Set replaced_rhs_insn when trying to replace
4418 a SET_SRC with a REG_EQUAL note.
4419 (distribute_notes): Use replaced_rhs_insn when determining the live
4420 range of a REG_DEAD register.
4422 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4423 Anatoly Sokolov <aesok@post.ru>
4425 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4426 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4427 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4428 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4429 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4430 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4431 at90usb647, at90usb1286 and at90usb1287 devices.
4432 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4433 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4435 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4437 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4439 2006-05-22 Richard Guenther <rguenther@suse.de>
4442 2006-01-31 Richard Guenther <rguenther@suse.de>
4443 Paolo Bonzini <bonzini@gnu.org>
4445 * doc/install.texi (--disable-libgcc-math): Document.
4447 2006-05-22 Richard Guenther <rguenther@suse.de>
4450 2006-01-31 Richard Guenther <rguenther@suse.de>
4452 * doc/invoke.texi (-msselibm): Document.
4453 * target.h (expand_library_builtin): New target hook.
4454 * builtins.c (expand_builtin): Use expand_library_builtin.
4455 (default_expand_library_builtin): New function.
4456 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4457 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4458 (link_gcc_math_spec): Declare.
4459 (static_specs): Add link_gcc_math_spec.
4460 * expr.h (default_expand_library_builtin): Declare.
4461 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4462 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4463 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4464 * config/i386/i386.opt (msselibm): New target option.
4465 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4466 (ix86_init_sse_abi_builtins): New function.
4467 (ix86_expand_library_builtin): Likewise.
4468 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4469 (override_options): Handle error conditions wrt -msselibm.
4470 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4471 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4472 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4475 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4478 * c-common.c (self_promoting_args_p): Skip erroneous args.
4481 * c-decl.c (finish_struct): Skip erroneous fields.
4483 2006-05-22 Nick Clifton <nickc@redhat.com>
4485 * config/cris/cris.opt (march): Remove VarExists attribute.
4486 (max-stackframe=): Likewise.
4488 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4490 * doc/rtl.texi: Fix a typo.
4491 * see.c: Fix comment typos.
4493 * tree-ssa-structalias.h (alias_info): Remove num_references.
4495 2006-05-21 Mike Stump <mrs@apple.com>
4497 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4499 (darwin_pragma_options): Use BAD instead.
4500 (darwin_pragma_unused): Likewise.
4501 (darwin_pragma_ms_struct): Likewise.
4503 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4505 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4507 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4509 PR rtl-optimization/27671
4510 * simplify-rtx.c (simplify_relational_operation_1): Fix
4511 simplifications of (eq/ne (xor x y) y) and
4512 (eq/ne (xor x y) x).
4514 PR tree-optimization/26622.
4515 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4518 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4520 * tree-cfg.c: Prune whitespace.
4521 (debug_tree_cfg): Point to correct header containing the
4524 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4527 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4529 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4532 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4533 or sorry count is non zero.
4535 2006-05-20 Andreas Schwab <schwab@suse.de>
4537 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4539 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4540 Kenneth Zadeck <zadeck@naturalbridge.com>
4542 PR rtl-optimization/26855
4544 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4546 (df_scan_alloc): Added code to properly handle multiword hard
4547 registers and add all_blocks parameter.
4548 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4549 code to properly handle multiword hard registers.
4550 (df_rescan_blocks): Added code to remove deleted blocks from
4552 (df_ref_create_structure, df_ref_record): Added code to properly
4554 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4555 and set DF_REF_PARTIAL.
4556 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4557 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4558 (df_scan_add_problem): Added flags parameter.
4559 (df_ref_create_structure): Changed switching structure.
4560 (df_bb_refs_record): Fixed case where duplicate artificial refs
4561 were created. Changed location of flags.
4562 (df_record_entry_block_defs): Added code to make stack pointer
4563 live in entry block. Refined cases where frame pointer is needed.
4564 Changed location of flags.
4565 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4566 (df_set_state): Removed function.
4567 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4568 df_insn_create_insn_record, df_insn_refs_delete,
4569 df_ref_create_structure): Formatting changes.
4570 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4571 df_delete_basic_block): New function.
4572 (df_init): Changed location of flags.
4573 (df_add_problem): Added flags parameter and the way flags are
4575 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4576 debug_df_chain): Improved debugging output.
4577 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4578 (df_refs_chain_dump): Removed df parameter.
4579 (df_iterative_dataflow): Added consistency check.
4580 (df_prune_to_subcfg): Made public.
4581 (df_analyze_problem): Added blocks_to_init parameter and made
4583 (df_ref_record, df_bb_refs_record, df_mark_reg,
4584 df_record_exit_block_uses): Whitespace changes.
4585 (df_dump): Whitespace changes.
4586 * df.h: Some reordering to remove forward references.
4587 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4588 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4589 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4590 (dataflow.flags): New field.
4591 (df.flag): Deleted field.
4592 (df_alloc_function): Added additional bitmap parameter.
4593 (df_dependent_problem_function): New type.
4594 (df_problem.changeable_flags): New field.
4595 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4596 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4597 (df_mw_hardreg): New struct.
4598 (DF_INSN_UID_MWS): New macro.
4599 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4601 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4602 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4603 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4604 (df_set_state): Removed function.
4605 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4606 * df-problems.c (df_chain_dump): Removed df parameter.
4607 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4608 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4610 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4611 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4612 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4613 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4614 DF_REF_MUST_CLOBBER cases.
4615 (df_ru_bb_local_compute_process_def,
4616 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4617 df_lr_bb_local_compute, df_ur_bb_local_compute,
4618 df_chain_create_bb): Made subreg aware.
4619 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4620 df_lr_bb_local_compute, df_lr_bb_local_compute,
4621 df_chain_create_bb): Cleanup to use proper macros.
4622 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4623 code to fixup bitvectors.
4624 (df_ri_alloc): Cleared lifetime.
4625 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4626 df_create_unused_note): New function.
4627 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4628 REG_DEAD and REG_UNUSED notes as well as register information.
4629 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4630 df_chains_dump): Fixed crash if problem was never run.
4631 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4632 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4633 df_ri_add_problem): Processes flags in uniform manner.
4634 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4635 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4636 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4637 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4638 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4639 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4640 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4641 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4642 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4643 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4644 * see.c (see_initialize_data): Ditto.
4645 * final.c (rest_of_clean_state) Added regstack_completed.
4646 * rtl.h (regstack_completed): Ditto.
4647 * reg-stack.c (regstack_completed): Ditto.
4649 2006-05-19 Mike Stump <mrs@apple.com>
4651 * c-tree.h (default_conversion): Remove.
4652 * c-common.h (default_conversion): Add.
4654 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4656 * tree-vrp.c (valid_value_p): New function.
4657 (adjust_range_with_scev): Fail if the value of bound is not
4660 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4662 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4663 (mips_fallback_frame_state): Use syscall numbers to determine
4664 the appropriate li instruction for the current ABI. Only use
4665 __NR_sigreturn for o32.
4667 2006-05-19 Nicolas Setton <setton@adacore.com>
4669 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4670 * langhooks.c (lhd_dwarf_name): New function.
4671 * langhooks-def.h (lhd_dwarf_name): Declare.
4672 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4673 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4674 * ada/misc.c (gnat_dwarf_name): New function.
4675 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4677 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4679 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4681 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4682 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4683 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4684 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4685 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4686 determine the size of Wtype, etc.
4687 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4688 (swfloatfuncs): New variable.
4689 (dwfloatfuncs): Likewise.
4690 (lib2funcs): Remove floating-point conversion functions from
4691 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4692 the set of conversion routines needed. Allow entries to specify
4693 an object name, filename and word size. Update users accordingly.
4694 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4695 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4699 2006-02-08 Roger Sayle <roger@eyesopen.com>
4702 * config/fixtfdi.c: New libgcc source file.
4703 * config/fixunstfdi.c: New source file.
4704 * config/floatditf.c: New source file.
4705 * config/floatunditf.c: New souce file.
4706 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4707 files above instead of config/mips/_tilib.c.
4708 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4710 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4712 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4713 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4715 2006-05-18 Mike Stump <mrs@apple.com>
4717 Fix up vla, vm and [*] sematics.
4723 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4724 (c_vla_unspec_p): Add.
4725 (c_vla_type_p): Add.
4726 * c-decl.c (struct c_scope): Add had_vla_unspec.
4727 (build_array_declarator): Add support for [*].
4728 (grokdeclarator): Likewise.
4729 (grokparms): Likewise.
4730 (get_parm_info): Likewise.
4731 * c-objc-common.c (c_vla_unspec_p): Likewise.
4732 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4733 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4734 typeof when argument is a variably modified type not inside sizeof or alignof.
4735 (c_parser_direct_declarator_inner): Propagate errors.
4736 (c_parser_sizeof_expression): Add support for [*].
4737 (c_parser_parms_declarator): Initialize had_vla_unspec.
4738 (c_parser_parms_list_declarator): Likewise.
4739 * c-typeck.c (c_vla_type_p): Add.
4740 (composite_type): Add support for vla compositing.
4741 (comptypes_internal): Add support for vla compatibility.
4742 (c_expr_sizeof_expr): Evaluate vla arguments.
4743 * tree.c (variably_modified_type_p): Update comment for [*].
4745 2006-05-18 Michael Matz <matz@suse.de>
4748 * config.host: Make assignments to host_xmake_file cumulative.
4749 * config.host (*-darwin*): Test $host, not $target.
4751 2006-05-12 Stuart Hastings <stuart@apple.com>
4753 * config/i386/i386.opt (-mstackrealign): New flag.
4754 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4755 (ix86_handle_cconv_attribute): Emit error when
4756 force_align_arg_pointer attribute collides with too many regparms.
4757 (ix86_function_regparm): Limit regparms when used with
4758 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4759 Support stack-realigning prologue in non-main functions. Emit
4760 warning for nested functions under -mstackrealign, emit error for
4761 nested functions with force_align_arg_pointer attribute.
4762 * doc/extend.texi (force_align_arg_pointer): Document it.
4763 * doc/invoke.texi (-mstackrealign): Document it.
4765 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4767 PR rtl-optimization/27477
4768 * combine.c (try_combine): Don't split a parallel consisting
4769 of two sets into two individual sets if both sets reference
4772 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4774 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4775 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4777 * doc/options.texi (VarExists): Updated.
4779 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4781 * unwind-dw2.c: Add declarations for uw_update_context and
4783 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4784 detected, advance frame state and context once to skip over stub.
4786 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4790 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4791 Call rewrite_into_loop_closed_ssa only when something changed.
4792 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4793 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4794 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4795 Test for perfect_nest_p here. Fix formating.
4796 (replace_uses_equiv_to_x_with_y): Fix formating.
4797 (stmt_uses_op): Removed.
4798 (can_convert_to_perfect_nest): Removed loopivs parameter.
4799 Complete the test by checking the scalar dependences.
4800 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4803 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4806 From Dan Kegel <dank@kegel.com>:
4807 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4809 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4811 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4812 if the element type is variably modified without recursing.
4814 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4817 * tree-loop-linear.c (try_interchange_loops): Test for
4818 no data dependences.
4820 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4822 PR tree-optimization/27548
4823 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4824 range of ssa names that appear on abnormal edges.
4825 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4826 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4828 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4831 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4833 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4836 * tree.h (OMP_PARALLEL_COMBINED): Define.
4837 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4838 (new_omp_context): Add is_combined_parallel argument.
4839 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4840 new_omp_context caller.
4841 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4842 Adjust gimplify_scan_omp_clauses callers.
4843 (omp_is_private): Issue errors if iteration variable is firstprivate
4844 or reduction in the current context.
4845 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4846 on combined parallel workshare constructs.
4848 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4850 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4851 (gcc-options.o): New rule.
4853 * optc-gen.awk: Protect variables for gcc-options.o with
4854 #ifdef GCC_DRIVER/#endif.
4856 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4858 Fix PR tree-optimization/27373
4859 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4860 (forward_propagate_addr_expr): Update call.
4862 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4864 * doc/options.texi: Move the Negative option.
4866 2006-05-16 Richard Guenther <rguenther@suse.de>
4868 PR tree-optimization/22303
4869 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4871 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4872 ccp_fold did not simplify the statement.
4874 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4877 * Makefile.in (GCC_OBJS): New.
4878 (OBJS-common): Add opts-common.o.
4879 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4880 (cpp$(exeext)): Likewise.
4881 (gcc.o): Also depend on opts.h.
4882 (opts-common.o): New.
4884 * common.opt (gcoff): Add Negative(gdwarf-2).
4885 (gdwarf-2): Add Negative(gstabs).
4886 (gstabs): Add Negative(gstabs+).
4887 (gstabs+): Add Negative(gvms).
4888 (gvms): Add Negative(gxcoff).
4889 (gxcoff): Add Negative(gxcoff+).
4890 (gxcoff+): Add Negative(gcoff).
4891 * config/i386/i386.opt (m32): Add Negative(m64).
4892 (m64): Add Negative(m32).
4894 * doc/options.texi: Document the Negative option.
4896 * gcc.c: Include "opts.h".
4897 (main): Call prune_options after expandargv.
4899 * optc-gen.awk: Generate common declarations for all flag
4900 variables in options.c. Output the neg_index field.
4902 * opts.c (find_opt): Moved to ...
4903 * opts-common.c: Here. New file.
4905 * opts.h (cl_option): Add a neg_index field.
4907 (prune_options): Likewise.
4909 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4912 * omp-low.c (expand_omp_parallel): Don't assert
4913 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4914 instead search for it.
4917 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4920 2006-05-16 Andreas Schwab <schwab@suse.de>
4922 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4925 2006-05-15 Roger Sayle <roger@eyesopen.com>
4928 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4929 integer constants other than zero are only legitimate on TARGET_64BIT.
4930 <CONST_VECTOR> Only zero vectors are legitimate.
4931 (ix86_cannot_force_const_mem): Integral and vector constants can
4932 always be put in the constant pool.
4934 2006-05-16 DJ Delorie <dj@redhat.com>
4936 * crtstuff.c (__dso_handle): Set section from
4937 TARGET_LBIGCC_SDATA_SECTION if defined.
4938 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4939 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4941 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4944 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4947 2006-05-16 Ben Elliston <bje@au.ibm.com>
4949 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4951 2006-05-15 Per Bothner <per@bothner.com>
4953 * tree.c: (last_annotated_node): Use source_locus typedef.
4954 This permits bootstrapping with --enable-mapped-location.
4956 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4958 PR tree-optimization/26830
4959 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4960 (info_for_ssa_name, current_info_for_ssa_name_age,
4961 blocks_to_update): New variables.
4962 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4963 (clear_ssa_name_info, initialize_flags_in_bb,
4964 mark_block_for_update): New functions.
4965 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4966 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4967 prepare_def_site_for): Use mark_block_for_update.
4968 (mark_def_interesting): Assert that the processed block is marked in
4969 blocks_to_update. Do not take blocks argument.
4970 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4972 (rewrite_update_init_block, rewrite_update_stmt): Only process
4973 blocks with statements to rewrite.
4974 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4975 (update_ssa): Initialize and free blocks_to_update. Do not
4976 clear flags on statements. Do not use blocks bitmap.
4977 * tree.h (SSA_NAME_AUX): Removed.
4978 (struct tree_ssa_name): Removed aux field.
4979 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4981 2006-05-15 Richard Guenther <rguenther@suse.de>
4983 PR tree-optimization/27603
4984 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4985 Do computations in original type.
4987 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4989 * see.c: Code style changes such as redundant paranthesis,
4990 redundant intialization of local variables etc.
4991 (see_main): Declared now as static.
4992 * doc/invoke.texi: Update that -fsee is not enabled by
4995 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4997 * omp-low.c (check_omp_nesting_restrictions): New function.
4998 (scan_omp_1): Call it.
5001 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5002 construct, return *VAR.
5004 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5006 PR rtl-optimization/27406
5007 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5010 2006-05-14 Roger Sayle <roger@eyesopen.com>
5012 PR rtl-optimization/27538
5013 * combine.c (expand_compound_operation): Call gen_lowpart
5014 before calling simplify_shift_const.
5016 2006-05-14 Roger Sayle <roger@eyesopen.com>
5018 PR rtl-optimization/22563
5019 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5020 a fixed width bitfield, always force the intermediates into psuedos.
5022 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5025 * mkconfig.sh: Use operator = instead of == for test.
5027 2006-05-13 Nick Clifton <nickc@redhat.com>
5029 * dwarf2out.c (dbx_reg_number): Check return value from
5030 LEAF_REG_REMAP and only use it if it is valid.
5031 (multiple_reg_loc_descriptor): Likewise.
5033 2006-05-13 Richard Guenther <rguenther@suse.de>
5035 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5038 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5040 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5041 information attached to non-INSNs such as NOTEs.
5042 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5044 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5046 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5048 * config/s390/s390.md: Adjust comment describing On constraint.
5050 2006-05-11 Jan Hubicka <jh@suse.cz>
5052 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5053 to be output at -O0.
5055 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5058 * fold-const.c (size_binop): Move sanity check for arguments to
5059 the beginning of the function.
5062 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5065 2006-05-11 Richard Guenther <rguenther@suse.de>
5068 * fold-const.c (fold_unary): Handle intermediate conversion
5069 to a pointer type like intermediate conversion to an integer
5070 type in folding of (T1)(T2)var to var.
5071 Match the code to the comment in the final conversion for
5072 (T1)(T2)var to (T1)var regarding to type precision. Rather
5073 than disallow T1 being of pointer type, assert that both T1
5074 and var are of pointer type or not. Make sure not to fall
5075 over the frontends lazyness wrt array to pointer decay though.
5077 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5079 * arm.c (arm_struct_value_rtx): Delete.
5080 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5081 (arm_init_cumulative_args): Always initialize nregs to zero.
5083 2006-05-10 Richard Guenther <rguenther@suse.de>
5085 PR tree-optimization/27532
5086 * tree-object-size.c (plus_expr_object_size): Fix typo.
5088 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5091 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5092 ashrdi_const, ashrdi3): Use a scratch register.
5094 2006-05-10 Richard Guenther <rguenther@suse.de>
5096 PR tree-optimization/27302
5097 * fold-const.c (operand_equal_p): For two comparisons,
5098 try comparison of one comparison code swapped if that yields
5101 2006-05-10 Ben Elliston <bje@au.ibm.com>
5103 * tree-pretty-print.c (pretty_print_string): No need to handle
5104 '\0' as a special character.
5106 * tree.h: Include "hashtab.h".
5107 (iterative_hash_expr): Use hashval_t in its prototype.
5108 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5110 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5113 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5114 (hppa*64*-*-hpux11*): Ditto.
5115 (hppa[12]*-*-hpux11*): Ditto.
5117 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5120 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5122 2006-05-09 Michael Matz <matz@suse.de>
5124 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5125 host_extra_gcc_objs and host_xmake_file.
5126 (<*-*-linux*>): Don't overwrite host_xmake_file.
5127 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5128 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5129 (host_detect_local_cpu): Declare.
5130 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5131 * config/i386/i386.c (override_options): Handle -mtune=native
5133 * config/i386/x-i386: New file.
5134 * config/i386/driver-i386.c: New file.
5135 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5138 2006-05-09 Dirk Mueller <dmueller@suse.de>
5139 Richard Guenther <rguenther@suse.de>
5142 * fold-const.c (fold_read_from_constant_string): Relax check
5143 for matching types to matching modes.
5145 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5147 PR rtl-optimization/27335
5148 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5151 2006-05-08 Chao-ying Fu <fu@mips.com>
5152 Richard Sandiford <richard@codesourcery.com>
5154 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5155 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5156 * config/mips/mips.md (UNSPEC_SCC): New constant.
5157 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5158 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5159 (mips_emit_compare): Use it.
5160 (mips_expand_vcondv2sf): New function.
5162 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5164 Fix PR tree-optimization/27093
5165 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5166 renaming when they become not-used_alone.
5168 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5170 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5171 relocation and relocation stubs.
5173 2006-05-08 Eric Christopher <echristo@apple.com>
5175 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5178 2006-05-08 Jan Hubicka <jh@suse.cz>
5181 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5182 unused static functions are needed.
5184 2006-05-08 Roger Sayle <roger@eyesopen.com>
5187 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5188 of a reg_equiv_constant if the result is a legitimate constant.
5190 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5193 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5194 standard 80387 constants, raise the cost to prevent
5195 compress_float_constant() to generate load from memory.
5197 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5199 * config/arm/constraints.md (c): Fix a typo.
5201 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5204 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5207 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5209 (_mm_mwait): Likewise.
5211 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5213 (sse3_monitor): Make it 32bit only.
5214 (sse3_monitor64): New. 64bit monitor.
5216 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5219 * config/i386/i386.c (classify_argument): Skip fields with invalid
5222 2006-05-07 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/27409
5225 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5226 Do not try to find zero-sized subvars.
5228 2006-05-07 Richard Guenther <rguenther@suse.de>
5230 PR tree-optimization/27136
5231 * tree-ssa-loop-niter.c (get_val_for): Correct function
5232 comment, assert requirements.
5233 (loop_niter_by_eval): Stop processing if the iterated
5234 value did not simplify.
5236 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5238 * opts.c (flag_see): remove its setting at -O3.
5240 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5242 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5243 * arm/constraints.md: New file.
5244 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5245 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5246 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5247 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5248 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5249 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5250 * arm.md: Include constraints.md.
5251 (thumb_movsi_insn): Use satisfies_constraint_J.
5252 (movhi, movqi): Use satisfies_constraint_I.
5254 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5256 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5257 for atmeg a645 device.
5259 2006-05-06 Richard Guenther <rguenther@suse.de>
5261 PR tree-optimization/27151
5262 * tree-vect-transform.c (vectorizable_condition): Punt on
5263 values that have a different type than the condition.
5265 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5268 * c-parser.c (c_parser_cast_expression): Only insert casts into
5269 hash table if pointer.
5270 * function.c (used_types_insert_helper): Rename from
5272 (used_types_insert): Call used_types_insert_helper.
5273 * function.h (used_types_insert): Accept only one argument.
5275 2006-05-05 David Edelsohn <edesohn@gnu.org>
5277 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5278 scratch with output modifier.
5280 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5283 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5284 with output modifier.
5286 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5289 * config/mips/mips.c (mips_symbolic_address_p): Return true
5290 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5291 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5293 2006-05-04 Richard Guenther <rguenther@suse.de>
5295 PR tree-optimization/14287
5296 PR tree-optimization/14844
5297 PR tree-optimization/19792
5298 PR tree-optimization/21608
5299 PR tree-optimization/27090
5300 * tree-ssa-pre.c (try_combine_conversion): New function.
5301 (compute_avail): After constructing the value-handle
5302 expression, use try_combine_conversion to combine NOP_EXPRs
5303 with previous value-handle expressions and use the result if it
5306 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5308 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5310 2006-05-04 Jan Hubicka <jh@suse.cz>
5313 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5315 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5317 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5318 that this only matches CONST_INTs. All users changed to VOIDmode
5321 * config/bfin/bfin.c: Include "optabs.h".
5322 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5324 (enum bfin_builtins): Add a number of fractional and vector builtins.
5325 (bfin_init_builtins): Likewise.
5326 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5327 (safe_vector_operand, bfin_expand_binop_builtin,
5328 bfin_expand_unop_builtin): New functions.
5329 (bfin_expand_builtin): Handle the new builtins.
5330 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5333 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5336 * Makefile.in (OBJS-common): Add see.o.
5337 (see.o): Add dependencies.
5338 * common.opt (fsee): New flag for the see optimization was added.
5339 * opts.c (flag_see): Initialized.
5340 * passes.c (init_optimization_passes, pass_see): New pass.
5341 * rtl.h (see_main): Declaration as extern.
5342 * timevar.def (TV_SEE): New.
5343 * tree-pass.h (pass_see): Declaration as extern.
5344 * invoke.texi (-fsee): Document.
5345 * recog.c (validate_simplify_insn): New function.
5346 * recog.h (validate_simplify_insn): Declaration as extern.
5347 * df-problems.c (df_chain_dump): Check for NULL.
5349 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5350 Daniel Berlin <dberlin@dberlin.org>
5352 * cfgrtl.c (insert_insn_bb_end_new): New function.
5353 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5355 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5357 * df.h (struct web_entry): Moved from web.c.
5358 (union_defs): Declaration as extern.
5359 (unionfind_root): Likewise.
5360 (unionfind_union): Likewise.
5361 * web.c (struct web_entry): Moved to df.h.
5362 (unionfind_root): Remove static declaration.
5363 (unionfind_union): Likewise.
5364 (union_defs): Likewise and generalize to use callback function.
5365 (web_main): Update arguments for union_defs function call.
5367 2006-05-04 Richard Guenther <rguenther@suse.de>
5369 PR tree-optimization/26447
5370 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5371 produce SSA_NAME copies before the store stmt to avoid
5372 breaking exception handling.
5374 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5377 * gimplify.c (omp_is_private): If var is shared in some outer context,
5378 return false instead of true. Stop searching on parallel context
5381 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5384 * coverage.c: Use get_gcov_unsigned_t() instead of
5385 unsigned_type_node all over.
5387 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5389 PR tree-optimization/27381
5390 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5391 maintain the same immediate_use links.
5392 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5393 node rather than segfaulting.
5395 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5398 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5399 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5400 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5402 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5404 Fix PR tree-optimization/26626
5405 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5407 * tree-ssa-operands.c (access_can_touch_variable): Allow
5408 typecasting through union pointers.
5410 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5413 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5414 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5415 to find if var will be a global variable even in the nested context.
5416 (omp_copy_decl): Only check for global variable at the end, it might
5417 be overridden in outer contexts.
5418 (scan_sharing_clauses): For global variables don't create a field.
5419 (lower_rec_input_clauses): Do nothing for global shared variables.
5420 Emit a barrier at the end of ILIST if there were any decls in both
5421 firstprivate and lastprivate clauses.
5422 (lower_send_clauses): Do nothing for global variables except for
5425 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5427 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5428 of the correct signedness is returned.
5430 2006-05-02 Jeff Law <law@redhat.com>
5432 PR tree-optimization/27364
5433 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5434 multiply expressions.
5436 2006-05-02 Tom Tromey <tromey@redhat.com>
5438 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5440 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5443 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5444 -mthumb -fPIC are used.
5446 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5447 Joshua Kinard <kumba@gentoo.org>
5450 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5451 with 64-bit pointers.
5453 2006-05-02 Paul Brook <paul@codesourcery.com>
5455 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5457 (create_fix_barrier): Check that a suitable barrier location is
5459 (arm_reorg): Include ftmp->address in allowable range of addresses.
5461 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5464 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5467 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5470 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5471 around RESULT_DECL for result passed by reference.
5472 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5473 * omp-low.c (use_pointer_for_field): Don't look at
5474 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5475 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5476 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5477 time or var for passing by reference for
5478 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5479 TREE_ADDRESSABLE variables when passing by reference.
5481 * omp-low.c (dump_omp_region): Fix output formatting.
5484 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5485 (expand_omp_parallel): Likewise.
5486 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5489 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5490 on statement list containing also constructors and destructors.
5491 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5494 * except.c (duplicate_eh_regions): Fix clearing of
5495 cfun->eh->region_array entries.
5497 2006-05-01 DJ Delorie <dj@redhat.com>
5499 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5501 (gcc_cv_objdump): Likewise.
5502 * configure: Regenerated.
5504 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5507 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5508 templates for case 3 and 4.
5510 2006-05-01 DJ Delorie <dj@redhat.com>
5512 * vec.c: Include bconfig.h when appropriate.
5513 * Makefile.in (build/vec.o): Adjust dependencies.
5514 * mkconfig.sh: Make sure config.h isn't used for build machine
5517 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5519 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5521 (mark_phi_for_rewrite): New function.
5522 (insert_phi_nodes_for, mark_use_interesting): Call
5523 mark_phi_for_rewrite.
5524 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5525 (update_ssa): Initialize and free phis_to_rewrite.
5527 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5529 PR rtl-optimization/27291
5530 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5531 folded to a constant.
5533 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5535 PR tree-optimization/27283
5536 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5537 not whole # of iteration descriptions.
5538 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5539 uses abnormal ssa name.
5540 (niter_for_single_dom_exit): Ditto.
5541 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5542 return just the number of iterations.
5544 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5546 PR tree-optimization/27144
5547 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5548 (record_estimate): Only record constant upper bound.
5549 (infer_loop_bounds_from_undefined): Call
5550 compute_estimated_nb_iterations just once.
5551 (proved_non_wrapping_p): Renamed to ...
5552 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5553 (convert_step_widening, scev_probably_wraps_p): Call
5554 n_of_executions_at_most instead of proved_non_wrapping_p.
5555 (substitute_in_loop_info): Do not replace values in bounds.
5556 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5559 2006-05-01 Richard Henderson <rth@redhat.com>
5562 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5563 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5566 2006-05-01 Roger Sayle <roger@eyesopen.com>
5568 * c-typeck.c (parser_build_binary_op): Don't call the function
5569 unsigned_conversion_warning to spot operand/result type overflow.
5570 (build_binary_op): Instead, call convert_and_check instead of
5571 convert to report the problem when the operands are promoted.
5572 * c-common.c (unsigned_conversion_warning): Make static.
5573 * c-common.h (unsigned_conversion_warning): Delete prototype.
5575 2006-05-01 Richard Guenther <rguenther@suse.de>
5577 PR tree-optimization/26726
5578 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5580 (find_interesting_uses_address): ... we work around here
5581 by folding INDIRECT_REFs in the substituted base.
5583 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5585 * omp-low.c (dump_omp_region): Add newlines.
5587 2006-04-30 Roger Sayle <roger@eyesopen.com>
5589 * common.opt (Woverflow): New command line option.
5590 * c-common.c (constant_expression_warning): Check warn_overflow.
5591 (overflow_waring): Pass OPT_Woverflow to warning.
5592 (unsigned_conversion_warning): Likewise.
5593 (convert_and_check): Likewise.
5594 * doc/invoke.texi: Document new command line option.
5596 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5598 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5599 TARGET_NO_FP_IN_TOC for section anchors.
5600 (optimization_options): Enable section anchors for all
5601 non-"Objective" languages.
5603 2006-04-28 Eric Christopher <echristo@apple.com>
5605 * config/darwin-c.c (darwin_ms_struct): Move this
5606 (darwin_set_default_type_attributes): and this...
5607 * config/darwin.c: ... here.
5608 * config/darwin.h (darwin_ms_struct): Declare.
5610 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5612 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5614 2006-04-28 Roger Sayle <roger@eyesopen.com>
5617 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5618 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5619 an unsigned HOST_WIDE_INT.
5620 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5622 (really_start_incremental_init): No need to call convert because
5623 bitsize_zero_node is already of type bitsizetype.
5624 (push_init_level): Extract the value of constructor_index as an
5625 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5626 (process_init_element): Likewise.
5628 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5630 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5631 value before passing to make_relative_prefix.
5633 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5636 * builtins.c (expand_builtin_memset): Expand val in original mode.
5638 2006-04-27 Eric Christopher <echristo@apple.com>
5640 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5641 with #ifndef/#endif.
5642 * config/darwin-c.c (darwin_ms_struct): New.
5643 (darwin_pragma_ms_struct): Ditto.
5644 (darwin_set_default_type_attributes): Ditto.
5645 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5646 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5647 Register ms_struct pragma.
5648 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5649 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5650 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5651 darwin_set_default_type_attributes if TARGET_MACHO.
5653 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5655 PR tree-optimization/26854
5656 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5657 * doc/tree-ssa.texi: Update immuse iterator documentation.
5658 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5659 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5660 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5661 first_safe_imm_use, next_safe_imm_use): Remove.
5662 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5663 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5664 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5665 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5666 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5667 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5668 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5669 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5670 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5671 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5672 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5673 (perfect_nestify): Use new iterator.
5674 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5676 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5677 (next_imm_name): New field in struct immediate_use_iterator_d.
5678 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5679 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5680 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5681 * tree-cfg.c (replace_uses_by): Use new iterator.
5682 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5683 * tree-ssa-operands.c (correct_use_link): Remove.
5684 (finalize_ssa_use_ops): No longer call correct_use_link.
5686 2006-04-27 Stuart Hastings <stuart@apple.com>
5688 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5689 * config/t-darwin (crt3.o): Use it.
5690 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5691 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5692 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5693 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5694 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5697 2006-04-27 Roger Sayle <roger@eyesopen.com>
5699 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5700 size, force the intermediate into a new pseudo rather instead of
5701 performing both a bitwise AND and a bitwise IOR in memory.
5703 2006-04-27 Richard Guenther <rguenther@suse.de>
5705 PR rtl-optimization/26685
5706 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5707 this one "max-flow-memory-locations".
5709 2006-04-27 Richard Guenther <rguenther@suse.de>
5711 PR tree-optimization/25148
5712 * tree-vrp.c (compare_values): Remove code dealing with
5713 comparisons against type min/max value. Honour overflow
5714 and negative constants in code dealing with comparisons
5715 of plus and minus expressions.
5716 (value_inside_range): Use fold_binary with LE_EXPR and
5717 GE_EXPR rather than compare_values.
5719 2006-04-27 Dirk Mueller <dmueller@suse.de>
5721 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5724 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5726 * basic-block.h (safe_insert_insn_on_edge): Removed.
5727 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5729 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5730 Paolo Bonzini <bonzini@gnu.org>
5733 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5734 (simplify_and_const_int): Same.
5736 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5738 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5740 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5743 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5744 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5745 cgraph_global_info_ready.
5748 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5751 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5752 either decl or init is error_mark_node.
5755 * tree-flow.h (struct omp_region): Add sched_kind.
5756 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5757 instead of extracting omp for data.
5758 (expand_omp_for): Save extracted sched_kind.
5760 2006-04-25 Roger Sayle <roger@eyesopen.com>
5762 * expmed.c (store_bit_field): Also check whether the bitsize is
5763 valid for the machine's "insv" instruction before moving the
5764 target into a pseudo for use with the insv.
5765 * config/i386/predicates.md (const8_operand): New predicate.
5766 * config/i386/i386.md (extv, extzv, insv): Use the new
5767 const8_operand predicate where appropriate.
5769 2006-04-25 DJ Delorie <dj@redhat.com>
5771 * doc/install.texi (Specific): Clarify that this is not a list of
5772 supported hosts or targets.
5774 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5776 PR rtl-optimization/26725
5777 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5778 block's BB_DIRTY flag.
5780 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5782 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5785 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5786 to print an integer.
5788 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5790 * varasm.c (align_variable): New function.
5791 (get_block_for_decl): Apply align_variable to DECL before
5792 calculating section information.
5793 (assemble_variable): Split out alignment computation.
5795 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5797 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5800 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5802 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5803 MODE_PARTIAL_INT mode.
5804 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5805 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5807 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5808 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5810 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5812 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5814 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5815 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5816 MACFLAG_IH): Likewise.
5817 (movstricthi_1): Renamed from "*movstricthi".
5818 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5819 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5820 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5821 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5822 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5823 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5824 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5825 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5826 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5827 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5828 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5829 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5830 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5831 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5832 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5834 * doc/rtl.texi (ss_ashift): Improve wording.
5836 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5838 * dwarf2out.c (verify_marks_clear): New.
5839 (prune_unused_types): Call verify_marks_clear initially, not
5842 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5844 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5845 * doc/rtl.texi: Document them.
5846 * simplify-rtx.c (simplify_unary_operation,
5847 simplify_binary_operation_1): Don't abort when we see them.
5849 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5852 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5853 * configure.ac: Completely disregard languages that are not
5855 * configure: Regenerated.
5857 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5858 Richard Guenther <rguenther@suse.de>
5860 PR tree-optimization/27236
5861 * tree-inline.c (copy_body_r): Make sure to copy
5862 TREE_THIS_VOLATILE flag.
5864 2006-04-24 Richard Guenther <rguenther@suse.de>
5867 * tree-complex.c (update_parameter_components): Don't handle
5868 unused parameters which have no default def.
5870 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5871 Richard Guenther <rguenther@suse.de>
5873 PR tree-optimization/27218
5874 * tree-inline.c (expand_call_inline): Strip useless type
5875 conversions for the return slot address.
5877 2006-04-24 Richard Guenther <rguenther@suse.de>
5879 * cfgloop.h (struct loops): Remove unused field array. Reorder
5881 (LOOP_PREFETCH): Remove.
5883 2006-04-24 Richard Guenther <rguenther@suse.de>
5885 PR tree-optimization/22525
5886 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5887 variable, adjust types of generated expressions.
5889 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5891 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5892 (tree-vect-patterns.o): Likewise.
5894 (cselib.o): Likewise.
5895 (loop-doloop.o): Likewise.
5896 (regclass.o): Likewise.
5897 (reload1.o): Likewise.
5898 (explow.o): Replace target.h with $(TARGET_H).
5899 (ipa-prop.o): Likewise.
5900 (ipa-cp.o): Likewise.
5901 (ipa-inline.o): Likewise.
5902 (reorg.o): Likewise.
5903 (reg-stack.o): Likewise.
5905 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5907 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5909 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5911 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5913 * configure.ac: Completely disregard languages that are not
5915 * configure: Regenerated.
5918 * c-common.h (c_build_bitfield_integer_type): Declare.
5919 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5920 * c-common.c (c_build_bitfield_integer_type): ... here.
5922 2006-04-23 Roger Sayle <roger@eyesopen.com>
5925 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5926 a SImode SUBREG of a floating point register after no_new_pseudos.
5928 2006-04-23 Roger Sayle <roger@eyesopen.com>
5930 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5931 identify potentially eliminable registers to additionally catch
5932 VIRTUAL_INCOMING_ARGS_REGNUM.
5933 (addsi3): Update the conditions on when to use addsi_small_int.
5935 2006-04-23 Roger Sayle <roger@eyesopen.com>
5938 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5939 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5940 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5942 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5944 * fold-const.c (range_predecessor): Use operand_equal_p
5945 as the predicate for equality.
5946 (range_successor): Likewise.
5948 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5951 * config/soft-fp/op-common.h: Fix a typo.
5953 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5956 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5957 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5959 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5961 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5963 * doc/tm.texi: Fix a typo.
5965 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5967 * dwarf2out.c (struct die_struct): Document that die_sib makes
5968 a circular linked list.
5969 (FOR_EACH_CHILD): New.
5970 (reverse_die_lists): Delete.
5971 (reverse_all_dies): Delete.
5972 (add_dwarf_attr): Correct documentation.
5973 (remove_child_with_prev): New.
5974 (remove_child_TAG): Update for change to die_struct, use
5975 remove_child_with_prev.
5976 (add_child_die): Update for change to die_struct.
5977 (splice_child_die): Use remove_child_with_prev and add_child_die.
5978 (print_die): Use FOR_EACH_CHILD.
5979 (die_checksum): Likewise.
5980 (assign_symbol_names): Likewise.
5981 (output_location_lists): Likewise.
5982 (build_abbrev_table): Likewise.
5983 (calc_die_sizes): Likewise.
5984 (mark_dies): Likewise.
5985 (unmark_dies): Likewise.
5986 (unmark_all_dies): Likewise.
5987 (output_die): Likewise.
5988 (prune_unused_types_mark): Likewise.
5989 (prune_unused_types_walk): Likewise.
5990 (same_die_p): Update for change to die_struct.
5991 (break_out_includes): Likewise.
5992 (prune_unused_types_prune): Likewise.
5993 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5994 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5996 (dwarf2out_finish): Don't call reverse_all_dies.
5998 2006-04-21 Eric Christopher <echristo@apple.com>
6000 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6001 in comments and function names.
6003 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6006 * c-typeck.c (digest_init): Robustify.
6008 * c-typeck.c (pop_init_level): Simplify.
6010 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6012 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6014 2006-04-21 Paul Brook <paul@codesourcery.com>
6016 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6017 hardware floating point.
6019 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6021 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6024 2006-04-21 Nick Clifton <nickc@redhat.com>
6026 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6029 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6032 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6033 C++ lang type in traceback table for Objective-C++.
6035 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6037 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6039 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6041 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6044 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6045 were errors. Remove check for erroneous objects.
6047 2006-04-20 Jeff Law <law@redhat.com>
6049 PR tree-optimization/26854
6050 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6051 checking for zero or one use.
6052 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6053 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6054 * tree-ssa-reassoc.c (negate_value): Similarly.
6055 (reassociate_bb): Similarly.
6057 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6059 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6060 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6061 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6063 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6065 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6066 fp regs if the last fp arg doesn't fit in regs.
6068 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6071 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6072 that the last insn has the REG_INC note.
6074 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6075 Nathan Sidwell <nathan@codesourcery.com>
6078 * stor-layout.c (update_alignment_for_field): Do not align
6080 (place_union_field): Place union field at the start of the union.
6081 (place_field): Move ERROR_MARK check later, and use the current
6082 allocation position to maintain monotonicity.
6084 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6086 * dominance.c: Include timevar.h.
6087 (calculate_dominance_info): Use TV_DOMINANCE.
6088 * timevar.def (TV_DOMINANCE): New timevar.
6089 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6091 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6093 PR rtl-optimization/14261
6094 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6095 move would be an INSV insn.
6096 (noce_process_if_block): Don't optimize if the destination is a
6097 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6099 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6101 * config/s390/s390.md: Add comments with the instructions emitted
6102 by an insn pattern if macros are used.
6104 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6106 PR rtl-optimization/26026
6107 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6108 is a known power of two shifted left a variable amount.
6110 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6112 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6113 to hash table twice when the debug_str section has SECTION_MERGE.
6115 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6117 * config/soft-fp: New directory. From glibc.
6118 * config/soft-fp/t-softfp: New.
6119 * config/soft-fp/README: New.
6120 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6121 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6122 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6123 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6124 * config.gcc: Use rs6000/t-fprules-fpbit or
6125 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6127 * config/rs6000/sfp-machine.h: New. Based on glibc.
6128 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6130 * config/rs6000/t-fprules: Remove fp-bit rules.
6131 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6132 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6133 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6134 (softfp_wrap_start, softfp_wrap_end): New.
6136 2006-04-18 DJ Delorie <dj@redhat.com>
6138 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6140 2006-04-18 Devang Patel <dpatel@apple.com>
6142 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6144 2006-04-18 Nick Clifton <nickc@redhat.com>
6146 * config/sh/t-symbian: Add rule to build sh-c.o
6147 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6148 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6149 (sh_symbian_encode_section_info): Likewise.
6151 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6153 * builtins.c (expand_builtin_strcmp): Cover label definition of
6154 do_libcall with HAVE_cmpstrnsi.
6156 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6158 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6160 * function.h (temp_slot_p): New.
6161 (function): Change the type of x_used_temp_slots to
6162 VEC(temp_slot_p,gc) *.
6164 2006-04-18 Nick Clifton <nickc@redhat.com>
6166 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6167 flag_strength_reduce.
6169 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6171 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6175 Partial revert of revision 112637
6176 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6177 Dale Johannesen <dalej@apple.com>
6180 * regclass.c (struct reg_pref): Update documentation.
6181 (regclass): Set prefclass to NO_REGS if memory is the best option.
6182 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6184 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6186 PR tree-optimization/26821
6187 * tree-ssa-math-opts.c (get_constant_one): New.
6188 (insert_reciprocals): Use it.
6190 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6192 * dwarf2out.c (free_AT): Delete.
6193 (remove_AT): Update string ref counts.
6194 (remove_child_TAG): Don't call free_die.
6196 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6197 or DW_TAG_GNU_EINCL.
6198 (prune_unused_types_walk_attribs): Reset string refcounts.
6199 (prune_unused_types_update_strings): New.
6200 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6201 call free_die. Do call prune_unused_types_update_strings.
6202 (prune_unused_types): Empty debug_str_hash.
6204 2006-04-17 Roger Sayle <roger@eyesopen.com>
6206 * expr.c (expand_assignment): Optimize away no-op moves where the
6207 source and destination are equal and have no side-effects.
6209 2006-04-17 Richard Guenther <rguenther@suse.de>
6212 * reload.c (push_reload): Guard calls to get_secondary_mem
6215 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6217 * alias.c (reg_base_value, old_reg_base_value): Change the
6218 type to VEC(rtx,gc) *.
6219 (REG_BASE_VALUE, find_base_value, record_set,
6220 init_alias_analysis): Use VEC instead of VARRAY.
6222 * alias.c (alias_sets): Change the type to
6223 VEC(alias_set_entry,gc) *.
6224 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6225 VEC instead of VARRAY.
6226 (last_alias_set): Remove.
6228 * cgraph.h (cgraph_edge_p): New.
6229 Update the prototype of cgraph_function_versioning.
6230 * cgraphunit.c (cgraph_copy_node_for_versioning,
6231 cgraph_function_versioning): Use VEC instead of VARRAY.
6232 * ipa-cp.c (ipcp_insert_stage): Likewise.
6234 2006-04-16 Roger Sayle <roger@eyesopen.com>
6237 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6238 "A op B" or "A op C", we may need to convert A to the type of B and C.
6240 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6242 * target.h (struct gcc_target): Add mode_rep_extended.
6243 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6244 (init_num_sign_bit_copies_in_rep): Initialize it using
6246 (truncate_to_mode): Use it.
6247 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6248 * targhooks.h (default_mode_rep_extended): Declare it.
6249 * targhooks.c (default_mode_rep_extended): Define it.
6250 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6251 default_mode_rep_extended.
6252 (TARGET_INITIALIZER): Include it.
6253 * doc/tm.texi (Misc): Document it.
6254 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6255 (mips_truncated_to_mode): New function.
6257 2006-04-16 Roger Sayle <roger@eyesopen.com>
6260 * expr.c (compress_float_constant): Copy the narrow constant into
6261 a new pseudo before extending it to its final width.
6263 2006-04-16 Roger Sayle <roger@eyesopen.com>
6264 Andrew Pinski <pinskia@gcc.gnu.org>
6265 Dale Johannesen <dalej@apple.com>
6268 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6269 special case code to implement V8HImode and V16QImode with SSE2.
6271 2006-04-15 Roger Sayle <roger@eyesopen.com>
6273 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6274 trees are constructed with a suitable tree type.
6276 2006-04-15 Roger Sayle <roger@eyesopen.com>
6278 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6279 (integer_onep): Likewise.
6280 (integer_all_onesp): Likewise.
6281 (integer_pow2p): Likewise.
6282 (integer_nonzerop): Likewise.
6283 (real_zerop): Likewise.
6284 (real_onep): Likewise.
6285 (real_twop): Likewise.
6286 (real_minus_onep): Likewise.
6287 (int_size_in_bytes): Likewise.
6288 (host_integerp): Likewise.
6290 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6292 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6293 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6294 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6296 * tree-ssa-structalias.h (alias_info): Remove num_references.
6298 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6300 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6301 (output_bvb patterns): Likewise.
6302 * pa.c (output_bb): Use 'bb' insn for long branch case.
6303 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6304 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6305 1. Correct length operand for alternatives 1 and 2.
6306 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6307 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6309 2006-04-14 Roger Sayle <roger@eyesopen.com>
6311 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6312 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6313 were accidentally reverted by r112959.
6315 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6318 * except.h (eh_region_outermost): New prototype.
6319 * except.c (eh_region_outermost): New function.
6320 * tree-cfg.c (find_outermost_region_in_block): Use it.
6322 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6324 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6326 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6327 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6328 (init_reload, reload): Use VEC instead of VARRAY.
6329 * reload.h: Update the prototype for
6330 reg_equiv_memory_loc_varray.
6332 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6333 Eric Botcazou <ebotcazou@libertysurf.fr>
6335 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6338 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6341 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6342 to expand fallback builtin function call.
6344 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6347 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6348 and emit libcall here in case the builtin fails.
6349 (expand_builtin_strcmp): Always emit the libcall here on failure.
6351 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6353 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6354 * flow.c (reg_n_info): Change the type to
6355 VEC(reg_info_p,heap) *.
6356 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6358 * regs.h (reg_info_p): New.
6359 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6360 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6361 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6364 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6366 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6368 * params.h (MAX_SCHED_READY_INSNS): New macro.
6369 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6370 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6371 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6372 the ready list for 1 cycle during the first scheduling pass.
6373 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6375 2006-04-13 Richard Henderson <rth@redhat.com>
6378 * gimple-low.c (lower_omp_directive): Remove dead code.
6379 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6380 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6381 * omp-low.c (struct omp_region): Move to tree-flow.h.
6382 (root_omp_region): Export.
6383 (omp_regions, lookup_omp_region): Remove.
6384 (determine_parallel_type): Update for struct omp_region changes.
6385 (dump_omp_region): Dump regions with block numbers.
6386 (new_omp_region): Take type and block instead of stmt; malloc
6388 (free_omp_region_1, free_omp_regions): New.
6389 (expand_parallel_call): Take entry_stmt as argument; update for
6390 changes to omp_region.
6391 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6392 (remove_exit_barriers): New.
6393 (expand_omp_parallel): Update for struct omp_region changes.
6394 (expand_omp_synch): Likewise.
6395 (expand_omp): Likewise.
6396 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6397 (expand_omp_for_static_chunk): Likewise.
6398 (expand_omp_for): Likewise.
6399 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6400 (expand_omp_sections): Similarly, with GOMP_sections_end.
6401 (expand_omp_single): New.
6402 (build_omp_regions_1): Update for OMP_CONTINUE.
6403 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6404 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6405 OMP_SECTIONS_SECTIONS.
6406 (lower_omp_single_simple): Don't emit barrier here.
6407 (lower_omp_single_copy): Likewise.
6408 (lower_omp_single): Fix bindings, and lower to straightline now.
6409 (lower_omp_master, lower_omp_ordered): Likewise.
6410 (lower_omp_critical): Likewise.
6411 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6412 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6413 omp edges, free it afterward.
6414 (make_omp_sections_edges): Remove.
6415 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6416 (move_stmt_r): Handle OMP_CONTINUE.
6417 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6418 statement pointers to basic blocks. Add type member.
6419 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6420 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6421 * tree-inline.c (estimate_num_insns_1): Likewise.
6422 * tree-pretty-print.c (dump_generic_node): Likewise.
6423 * tree-ssa-operands.c (get_expr_operands): Likewise.
6424 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6425 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6426 (OMP_CONTINUE): New.
6427 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6428 (OMP_SECTIONS_SECTIONS): Remove.
6429 (OMP_SECTION_LAST): New.
6430 (OMP_RETURN_NOWAIT): New.
6432 2006-04-13 Roger Sayle <roger@eyesopen.com>
6434 * fold-const.c (native_encode_vector, native_interpret_real):
6435 Correct obvious mistakes in the previous check-in.
6437 2006-04-13 Roger Sayle <roger@eyesopen.com>
6439 * fold-const.c (native_encode_expr): New function to encode
6440 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6441 or VECTOR_CST into a specified buffer.
6442 (native_encode_int): New function.
6443 (native_encode_real): New function.
6444 (native_encode_complex): New function.
6445 (native_encode_vector): New function.
6446 (native_interpret_expr): Inverse of native_encode_expr to convert
6447 a target representation into an INTEGER_CST, REAL_CST etc...
6448 (native_interpret_int): New function.
6449 (native_interpret_real): New function.
6450 (native_interpret_complex): New function.
6451 (native_interpret_vector): New function.
6452 (fold_view_convert_expr): New function to constant fold/evaluate
6453 a VIEW_CONVERT_EXPR of a suitable constant expression.
6454 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6455 Change call of build1 to fold_build1 when constructing a
6458 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6459 Ulrich Weigand <uweigand@de.ibm.com>
6462 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6465 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6468 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6469 optimize to lo_sum for DFmode if !TARGET_FPRS.
6471 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6473 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6474 delete_alias_info, compute_flow_sensitive_aliasing,
6475 group_aliases): Use VEC instead of VARRAY.
6476 * tree-ssa-structalias.c (update_alias_info): Likewise.
6477 * tree-ssa-structalias.h (alias_info): Change the type of
6478 processed_ptrs to VEC(tree,heap) *.
6480 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6483 * config/sh/lib1funcs.h: New file, broken out of:
6484 * config/sh/lib1funcs.asm.
6485 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6487 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6488 * config/sh/lib1funcs-Os-4-200.asm: New file.
6489 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6490 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6491 (EXTRA_MULTILIB_PARTS): Include it.
6492 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6493 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6494 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6495 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6498 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6500 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6501 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6502 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6504 * tree-ssa-live.h: Include vecprim.h.
6505 (tree_partition_associator_d): Change the type of
6506 first_partition to VEC(int,heap) *.
6507 (tpa_first_partition): Use VEC instead of VARRAY.
6509 * Makefile.in (GTFILES): Move functions.h after tree.h.
6510 * function.c (reset_block_changes, record_block_change,
6511 check_block_change, free_block_changes): Use VEC instead of
6513 * function.h (function): Change the type of
6514 ib_boundaries_block to VEC(tree,gc) *.
6515 * tree-inline.c (copy_cfg_body): Initialize
6516 ib_boundaries_block to NULL instead of (varray_type) 0.
6518 2006-04-12 Roger Sayle <roger@eyesopen.com>
6520 * expr.c (emit_group_store): Correct operand order in call to
6521 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6522 a SUBREG_BYTE of zero.
6524 2006-04-12 Richard Guenther <rguenther@suse.de>
6526 * profile.c (compute_branch_probabilities): Remove code
6527 encapsulated in !ir_type (), which are remanents of the
6528 removed RTL profiling code.
6529 * rtl-profile.c: Remove.
6531 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6533 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6534 magic NULL_RTX comment.
6535 (function_arg): Store entire fp arg to mem if any part should go
6537 (rs6000_arg_partial_bytes): Adjust for above change.
6539 2006-04-11 Roger Sayle <roger@eyesopen.com>
6541 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6542 if it hasn't been initialized by dwarf2out_init.
6544 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6546 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6547 symbolic constants in branch patterns.
6549 2006-04-11 Roger Sayle <roger@eyesopen.com>
6551 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6553 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6555 PR rtl-optimization/27073
6556 * gcse.c (try_replace_reg): Revert last change. Continue to search
6557 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6560 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6562 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6563 aggregate types other than record and union types.
6564 (function_arg): Likewise.
6565 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6567 (function_value): In 64-bit mode, return objects that require it
6570 2006-04-11 Roger Sayle <roger@eyesopen.com>
6572 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6574 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6576 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6578 2006-04-03 Jeff Law <law@redhat.com>
6581 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6582 alias information too.
6584 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6586 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6588 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6591 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6592 (premark_used_types_helper): New.
6593 (premark_used_types): New.
6594 (gen_subprogram_die): Call premark_used_types.
6595 (prune_unused_types_walk): Do not prune perennial dies.
6596 * function.c (used_types_insert): New.
6597 * function.h (struct function): Add used_types_hash field.
6598 (used_types_insert): Add prototype.
6599 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6600 * c-parser.c (c_parser_cast_expression): Save casted types in used
6603 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6606 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6607 rs6000_explicit_options.float_gprs.
6609 2006-04-10 Roger Sayle <roger@eyesopen.com>
6611 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6612 from ix86_expand_vector_init_low_nonzero. Take an additional
6613 one_var argument indicating which element is non-zero. Support
6614 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6615 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6616 with one_var instead of ix86_expand_vector_init_low_nonzero.
6618 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6620 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6621 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6622 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6623 build/genextract.o): Depend on vecprim.h.
6624 * cfglayout.c, df-problems.c, function.c, genextract.c,
6625 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6626 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6630 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6632 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6633 Declare VECs of this type.
6634 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6635 (remove_children): Delete.
6636 (add_dwarf_attr): Use VEC routines.
6637 (add_AT_flag): Update for changes to add_dwarf_attr.
6638 (add_AT_int): Likewise.
6639 (add_AT_unsigned): Likewise.
6640 (add_AT_long_long): Likewise.
6641 (add_AT_vec): Likewise.
6642 (add_AT_string): Likewise.
6643 (add_AT_die_ref): Likewise.
6644 (add_AT_fde_ref): Likewise.
6645 (add_AT_loc): Likewise.
6646 (add_AT_loc_list): Likewise.
6647 (add_AT_addr): Likewise.
6648 (add_AT_lbl_id): Likewise.
6649 (add_AT_lineptr): Likewise.
6650 (add_AT_macptr): Likewise.
6651 (add_AT_offset): Likewise.
6652 (add_AT_range_list): Likewise.
6653 (get_AT): Use VEC_iterate.
6654 (remove_AT): Use VEC_ordered_remove.
6655 (free_die): Fold remove_children into here; have it use VEC_iterate.
6656 (print_die): Use VEC_iterate on attrs.
6657 (reverse_die_lists): Don't reverse attr lists.
6658 (die_checksum): Use VEC_iterate on attrs.
6659 (same_die_p): Likewise.
6660 (output_location_lists): Likewise.
6661 (build_abbrev_table): Likewise.
6662 (size_of_die): Likewise.
6663 (unmark_all_dies): Likewise.
6664 (output_abbrev_section): Likewise.
6665 (output_die): Likewise.
6666 (prune_unused_types_walk_attribs): Likewise.
6668 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6670 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6672 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6675 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6677 2006-04-09 Roger Sayle <roger@eyesopen.com>
6679 * expr.c (store_constructor): Don't bother clearing target if
6680 we're about to assign a vector to it using vec_init_optab.
6682 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6684 * tree-ssa-alias.c (lhs_may_store_to): New function.
6685 (recalculate_used_alone): Handle LHS of calls.
6687 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6691 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6692 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6693 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6694 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6695 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6696 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6697 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6698 stubs. Add ".align 8" directives before all ".dword" directives.
6699 (GTHREAD_USE_WEAK): Revise comment.
6700 (TARGET_ATTRIBUTE_WEAK): Define.
6701 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6702 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6703 * stublib.c: New file.
6708 * pa.md (cbranch patterns): Revise arguments used in calls to
6709 output_cbranch, output_bb and output_bvd. Add long branch length
6711 (fbranch patterns): Handle long branches.
6712 (jump): Revise length check. Revise arguments for output_lbranch call.
6713 Add long branch length attributes.
6714 (decrement_and_branch_until_zero): Add long branch length attributes.
6715 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6716 Likewise. Revise arguments for output_parallel_addb and
6717 output_parallel_movb calls.
6718 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6719 output_parallel_movb and output_parallel_addb): Update prototypes.
6720 * pa.c (output_cbranch): Revise arguments. Correct handling of
6721 nullification in long branches.
6722 (output_lbranch): Add new argument to control extraction of delay
6724 (output_bb): Handle long branches.
6725 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6726 output_parallel_addb): Likewise.
6728 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6730 PR rtl-optimization/27073
6731 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6734 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6736 * tree.h (tree_memory_tag): Add old_used_alone.
6737 (SMT_OLD_USED_ALONE): New macro.
6738 * tree-ssa-alias.c (recalculate_used_alone): Stop
6739 marking things for renaming unnecessarily.
6741 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6743 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6744 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6745 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6746 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6747 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6748 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6749 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6750 spelling convensions.
6751 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6752 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6753 typos. Follow spelling conventions.
6755 2006-04-07 DJ Delorie <dj@redhat.com>
6757 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6758 passed on the stack.
6759 (m32c_init_cumulative_args): When a function returns a structure,
6760 always pass the pointer to that return area on the stack.
6761 (m32c_function_arg_advance): Don't increment the parameter number
6762 if we're processing the returned structure pointer.
6763 (pushm_info): Reverse order of registers.
6765 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6767 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6768 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6769 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6770 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6772 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6773 chrec_fold_multiply): Same.
6774 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6775 force_expr_to_var_cost): Same.
6776 * tree-mudflap.c (mf_xform_derefs_1): Same.
6777 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6779 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6781 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6782 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6785 2006-04-07 Jan Hubicka <jh@suse.cz>
6787 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6789 2006-04-07 Richard Guenther <rguenther@suse.de>
6791 PR tree-optimization/26135
6792 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6793 loads for store copy-prop.
6794 (copy_prop_visit_stmt): Likewise.
6796 2006-04-05 Robert Millan <robertmh@gnu.org>
6798 * config/i386/linux.h: Add a comment to mark macros that are
6799 being overriden in config/k*bsd-gnu.h.
6800 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6802 * config/knetbsd-gnu.h: Ditto.
6804 2006-04-06 Jan Hubicka <jh@suse.cz>
6808 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6811 2006-04-06 Mike Stump <mrs@apple.com>
6813 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6814 for HAVE_nonlocal_goto to be consistent.
6815 (expand_builtin_nonlocal_goto): Likewise.
6816 (expand_builtin_strcmp): Use #ifdef instead of #if
6817 for HAVE_cmpstrnsi to be consistent.
6819 2006-04-05 DJ Delorie <dj@redhat.com>
6821 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6824 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6826 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6827 got-relative addressing for anything but SImode.
6829 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6830 even if the calling function doesn't modify them.
6832 2006-04-05 Richard Guenther <rguenther@suse.de>
6834 PR tree-optimization/26919
6835 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6836 to cgraph_estimate_size_after_inlining.
6838 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6840 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6842 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6844 PR tree-optimization/26996
6845 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6846 VECTOR_TYPE variables.
6848 2006-04-05 Richard Guenther <rguenther@suse.de>
6850 PR tree-optimization/26763
6851 * fold-const.c (fold_comparison): Move folding of
6852 PTR + CST CMP PTR + CST ...
6853 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6855 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6857 * doc/install.texi (Prerequisites): Refine some wording on
6858 bootstrapping and ksh.
6859 Move the version numbers of DejaGnu here from the testing section
6860 and fix casing of names.
6861 Fix markup and clarify wording for autogen requirements.
6862 Refer to GCJ instead of just java.
6863 Refer to SVN instead of CVS.
6864 Describe diffutils as useful instead of necessary.
6865 (Downloading the source): Refer to SVN instead of CVS.
6866 Adjust a link to our web site accordingly.
6867 (Configuration): Fix casing of Bison.
6868 (Building): Refer to SVN instead of CVS.
6869 Fix a sentence on the use of Bison and remove duplicate (and
6870 incorrect) version number of Bison requirement.
6871 Remove one redundant list of packages needed for building.
6872 (Specific): Avoid reference to CVS.
6874 2006-04-04 Eric Christopher <echristo@apple.com>
6876 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6877 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6878 (rs6000_handle_struct_attribute): New.
6879 (rs6000_ms_bitfield_layout_p): Ditto.
6881 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6883 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6884 NULL for dso parameter to atexit_common.
6886 2006-04-04 Eric Christopher <echristo@apple.com>
6888 * config/i386/i386.c (machopic_output_stub): Output \t
6889 between instructions and operands.
6891 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6893 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6894 satisfies_constraint_[IL] to explicit tests on value.
6896 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6898 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6899 set_nb_iterations_in_loop): Use build_int_cst instead of
6901 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6902 build_int_cst instead of convert.
6904 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6906 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6907 new value 2 for incoming.
6908 * function.c (expand_function_start): Call struct_value_rtx
6910 * config/sparc/sparc.md: Comment updated_return.
6911 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6912 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6913 struct return if sparc_std_struct_return and incoming is 2.
6914 (print_operand): Do not adjust return if
6915 sparc_std_struct_return.
6917 2006-04-04 Roger Sayle <roger@eyesopen.com>
6919 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6920 convert in the middle-end.
6921 * expr.c (store_expr, store_constructor, get_inner_reference,
6922 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6924 * tree.c (build_range_type): Likewise.
6926 2006-04-04 Tom Tromey <tromey@redhat.com>
6928 * doc/install.texi (Prerequisites): Mention jar.
6930 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6932 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6935 2006-04-04 Matthias Klose <doko@debian.org>
6937 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6941 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6944 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6946 * doc/extend.texi (Function Attributes): Rewrite visibility
6947 attribute documentation.
6948 * doc/invoke.texi (C++ Dialect Options): Rewrite
6949 -fvisibility-inlines-hidden documentation to describe something
6950 entirely different, although in practise compatible.
6951 (Code Gen Options): Warn about system headers in -fvisibility=
6954 * doc/extend.texi (Other Builtins): Document that
6955 __builtin_nan is a compile-time constant only when its argument
6958 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6960 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6961 trying to remove TRUNCATE check if all bits outside the new mode
6962 are identical to the sign bit.
6964 2006-04-03 Jeff Law <law@redhat.com>
6966 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6967 and operand scanning in some common cases.
6969 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6970 Dale Johannesen <dalej@apple.com>
6973 * regclass.c (struct reg_pref): Update documentation.
6974 (regclass): Set prefclass to NO_REGS if memory is the best option.
6975 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6976 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6977 into account. For non-registers, equate an empty preferred
6978 reload class to a `!' in the constraint; move the if clause to
6979 do so after those that reject the insn.
6980 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6982 (find_dummy_reload): Likewise.
6983 * doc/tm.texi (Register Classes): Document what it means
6984 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6985 * config/i386/i386.c (ix86_preferred_reload_class): Force
6986 using SSE registers (and return NO_REGS for floating-point
6987 constants) if math is done with SSE.
6988 (ix86_preferred_output_reload_class): New.
6989 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6990 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6991 * config/i386/i386.md: Remove # register preferences.
6993 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6996 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6997 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6998 the type of nb_iter.
6999 (instantiate_parameters_1): Convert the operands before calling
7000 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7001 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7003 2006-04-02 Roger Sayle <roger@eyesopen.com>
7005 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7006 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7008 * dojump.c (do_jump): Likewise.
7009 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7010 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7011 gimplify_boolean_expr): Likewise.
7012 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7013 * varasm.c (array_size_for_constructor): Likewise.
7014 * tree-object-size.c (compute_object_offset): Likewise.
7016 2006-04-02 Roger Sayle <roger@eyesopen.com>
7019 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7020 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7022 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7024 PR tree-optimization/26939
7025 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7027 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7029 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7030 at_stmt. Convert the type of operands before calling
7031 build_polynomial_chrec.
7032 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7034 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7035 (instantiate_parameters_1): Convert the type of operands before calling
7036 build_polynomial_chrec.
7037 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7038 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7039 reset_evolution_in_loop): Insert asserts to check the types of the
7041 (chrec_type): Moved...
7042 (eq_evolutions_p): Use operand_equal_p.
7043 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7044 the types of the operands.
7045 (chrec_type): ...here.
7046 * tree-data-ref.c (create_data_ref): Convert the operands before
7047 calling chrec_replace_initial_condition.
7048 (same_access_functions, analyze_subscript_affine_affine,
7049 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7050 (compute_subscript_distance, analyze_ziv_subscript,
7051 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7052 analyze_miv_subscript): Convert the operands before calling
7053 chrec_fold_minus or chrec_fold_plus.
7055 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7057 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7058 the dependence_relations vector.
7059 (compute_data_dependences_for_loop): Adjust call to
7060 compute_all_dependences.
7062 2006-04-01 Roger Sayle <roger@eyesopen.com>
7063 Richard Henderson <rth@redhat.com>
7065 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7066 gimple_boolify on the condition before calling gimplify_expr.
7068 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7070 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7071 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7072 the frame size. Update to use the new macros.
7073 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7074 * config/xtensa/ieee754-df.S: Likewise.
7076 2006-03-31 Richard Henderson <rth@redhat.com>
7078 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7079 (make_edges): ... here. Control fallthru creation with a local
7080 variable. Do not play with fake edges.
7081 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7082 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7085 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7087 * dwarf2.h (DW64_CIE_ID): Define.
7088 * dwarf2out.c (DWARF_CIE_ID): Define.
7089 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7090 length header. Use DWARF_CIE_ID.
7091 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7092 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7094 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7096 * config/sh/linux-atomic.asm: New file.
7097 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7099 2006-03-31 DJ Delorie <dj@redhat.com>
7101 * config/m32c/cond.md: Set condition flags properly throughout.
7102 * config/m32c/minmax.md: Likewise.
7103 * config/m32c/prologue.md: Likewise.
7104 * config/m32c/bitops.md: Likewise.
7105 * config/m32c/muldiv.md: Likewise.
7106 * config/m32c/mov.md: Likewise.
7107 * config/m32c/addsub.md: Likewise.
7108 * config/m32c/m32c.md: Likewise.
7109 * config/m32c/jump.md: Likewise.
7110 * config/m32c/shift.md: Likewise.
7112 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7113 conditionally output the pattern for this.
7114 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7115 (m32c_compare_redundant): New.
7116 (m32c_output_compare): New.
7117 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7119 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7120 dest, not src. Allow other 4-byte modes.
7122 2006-03-30 Denis Chertykov <denisc@overta.ru>
7124 * doc/md.texi: Refer to avr/constraints.md instead of
7127 2006-03-30 Roger Sayle <roger@eyesopen.com>
7129 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7130 signed vs. unsigned comparison failures on some hosts.
7132 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7135 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7136 change to FLOAT_REGS.
7138 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7139 (rs6000_override_options): Use it.
7140 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7141 only for -mabi=spe/no-spe and -mabi=altivec.
7143 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7145 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7148 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7150 * Makefile.in: Rename docdir to gcc_docdir.
7152 2006-03-30 Roger Sayle <roger@eyesopen.com>
7155 * expr.c (emit_group_store): Optimize group stores into a pseudo
7156 register by using a paradoxical subreg to initialize the destination
7157 if the first or last member of the group specifies a "low part".
7159 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7162 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7163 * target.h (struct gcc_target.speculate_insn): Change type of the
7164 second parameter to 'int'.
7165 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7166 the second operand of the DEPS_LIST.
7167 (copy_DEPS_LIST_list): Update reference to the second operand of the
7169 * rtl.h (alloc_DEPS_LIST): Update signature.
7170 * sched-int.h (ds_t): Change typedef to 'int'.
7171 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7173 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7175 * haifa-sched.c (try_ready): Change condition to restore
7176 non-speculative pattern of the instruction.
7177 (process_insn_depend_be_in_spec): Code to keep probability of the
7178 speculative dependence non-decreasing.
7180 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7182 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7183 (single_move_for_movmem): ... this. Also change all uses.
7184 (bfin_expand_strmov): Renamed to...
7185 (bfin_expand_movmem): ... this. Also change all uses.
7186 * config/bfin/bfin.md (movstrsi): Renamed to...
7187 (movstrsi): ...this.
7189 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7191 PR tree-optimization/26830
7193 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7194 (copy_prop_visit_stmt): Remove write-only variable ann.
7195 (init_copy_prop): Check variable loop depth here. Do not simulate
7196 memory-tag and virtual operand PHIs except for store copy prop.
7198 2006-03-30 Richard Guenther <rguenther@suse.de>
7200 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7201 variants with double arguments.
7203 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7205 * genpreds.c (write_tm_constrs_h): Delete variable p.
7206 * genconditions.c (write_header): Add tm-constrs.h to included
7208 * genpeep.c (main): Add toplev.h to included headers.
7209 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7210 (build/genpeep.o): Add toplev.h dependency.
7211 * config/rs6000/constraints.md: Add "W" constraint.
7213 2006-03-29 Roger Sayle <roger@eyesopen.com>
7215 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7216 sizes by correctly testing whether the size fits a host integer.
7217 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7218 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7219 SImode range for the default sizetype and bitsizetype.
7221 2006-03-29 Roger Sayle <roger@eyesopen.com>
7223 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7224 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7225 quickly if the argument is already of the correct type.
7226 Call fold_build1 instead of build1. Tidy up blank lines.
7228 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7230 * genemit.c (main): Add tm-constrs.h to included headers.
7231 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7232 * genpeep.c (main): Add tm-constrs.h to included headers.
7233 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7234 (write_tm_constrs_h): this and write complete file.
7235 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7236 (write_insn_preds_c): Add tm-constrs.h to included headers.
7237 (gen_constrs): New variable.
7238 (parse_option): Parse "-c".
7239 (main): Invoke write_tm_constrs_h.
7240 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7241 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7242 (object_out_file): Add tm-constrs.h dependency.
7243 (insn-emit.o): Same.
7244 (insn-output.o): Same.
7245 (insn-peep.o): Same.
7246 (insn-preds.o): Same.
7247 (insn-recog.o): Same.
7248 (tm-constsr.h): New target.
7249 (s-constrs-h): New target.
7251 * config/rs6000/constraints.md: New file.
7252 * config/rs6000/rs6000.c: Include tm-constrs.h.
7253 (num_insn_constant_wide): Convert to satisfies_constraint.
7254 (rs6000_rtx_costs): Convert to satisfies_constraint.
7255 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7256 (CONST_OK_FOR_LETTER_P): Delete.
7257 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7258 (EXTRA_CONSTRAINT): Delete.
7259 (EXTRA_MEMORY_CONSTRAINT): Delete.
7260 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7261 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7262 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7263 satisfies_constraint.
7265 * config/i386/i386.c: Include tm-constrs.h.
7267 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7269 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7270 * tree-data-ref.c (find_data_references_in_loop,
7271 compute_data_dependences_for_loop): Use pointers to VEC.
7272 (analyze_all_data_dependences): Adjust calls.
7273 * tree-data-ref.h (find_data_references_in_loop,
7274 compute_data_dependences_for_loop): Adjust declarations.
7275 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7276 compute_data_dependences_for_loop.
7278 2006-03-29 Paul Brook <paul@codesourcery.com>
7280 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7283 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7285 PR tree-optimization/26859
7286 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7288 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7289 for the step after fold_convert.
7291 2006-03-29 Paul Brook <paul@codesourcery.com>
7293 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7294 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7296 2006-03-29 Paul Brook <paul@codesourcery.com>
7299 * targhooks.c (default_narrow_bitfield): New fuction.
7300 * targhooks.h (default_narrow_bitfield): add prototype.
7301 * target.h (gcc_target): Add narrow_volatile_bitfield.
7302 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7303 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7304 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7305 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7307 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7309 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7311 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7312 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7313 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7314 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7315 (s390_function_arg_float): Allow SDmode and DDmode values to be
7316 passed in floating point registers.
7317 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7318 check with SCALAR_FLOAT_MODE_P.
7319 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7321 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7323 PR tree-optimization/25985
7324 * tree-ssa-loop-niter.c (number_of_iterations_le,
7325 number_of_iterations_ne): Make comments more precise.
7326 (number_of_iterations_cond): Add only_exit argument. Use the
7327 fact that signed variables do not overflow only when only_exit
7329 (loop_only_exit_p): New.
7330 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7331 number_of_iterations_cond.
7333 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7335 PR tree-optimization/26643
7336 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7339 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7341 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7342 (divsi3_i4_int): Likewise.
7344 2006-03-28 Roger Sayle <roger@eyesopen.com>
7346 * expr.c (emit_group_store): Only create a new pseudo reg if the
7347 quantity it needs to hold isn't already a suitable pseudo.
7349 2006-03-28 Jeff Law <law@redhat.com>
7351 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7352 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7354 2006-03-28 Roger Sayle <roger@eyesopen.com>
7356 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7357 the equivalent ~X & Y, and the symmetry related transformations.
7358 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7359 ~X & Y, and symmetry related transforms.
7361 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7363 Revert my 2006-03-27 patches.
7365 2006-03-28 Roger Sayle <roger@eyesopen.com>
7367 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7368 ~(T1)X, when T1 and T2 are integer types of the same precision
7369 and (T2)X isn't an extension.
7371 2006-03-28 Jeff Law <law@redhat.com>
7373 PR tree-optimization/26796
7374 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7375 need EH edge cleanups rather than purging them immediately.
7376 (eliminate_degenerate_phis): Handle queued EH cleanups.
7378 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7380 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7383 2006-03-27 Roger Sayle <roger@eyesopen.com>
7386 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7387 cast BIT_NOT_EXPR operand to the correct type.
7389 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7391 * tree-loop-linear.c: Don't include varray.h.
7392 (gather_interchange_stats, try_interchange_loops,
7393 linear_transform_loops): Use VEC instead of VARRAY.
7394 * lambda-mat.c: Don't include varray.h.
7395 * tree-chrec.c: Same.
7396 * lambda-trans.c: Same.
7397 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7398 VEC instead of VARRAY.
7399 * tree-vectorizer.h: Idem.
7400 * tree-data-ref.c (dump_data_references,
7401 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7402 initialize_data_dependence_relation, finalize_ddr_dependent,
7403 compute_all_dependences, find_data_references_in_loop,
7404 compute_data_dependences_for_loop, analyze_all_data_dependences,
7405 free_dependence_relation, free_dependence_relations,
7406 free_data_refs): Idem.
7407 * tree-data-ref.h (data_reference_p, subscript_p): New.
7408 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7409 VEC instead of VARRAY.
7410 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7411 (find_data_references_in_loop, compute_data_dependences_for_loop,
7412 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7413 dump_data_dependence_relations, free_dependence_relations,
7414 free_data_refs): Adjust declaration.
7415 (lambda_transform_legal_p): Move declaration here...
7416 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7417 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7418 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7419 vect_analyze_data_refs): Use VEC instead of VARRAY.
7420 * lambda.h (lambda_transform_legal_p): ...from here.
7421 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7422 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7423 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7424 tree-chrec.o): Don't depend on VARRAY_H.
7426 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7428 * rtl.def (Copyright): Update date.
7429 (DEPS_LIST): Change type of the second operand to 'int'.
7430 * target.h (Copyright): Update date.
7431 (struct gcc_target.speculate_insn): Change type of the second parameter
7433 * lists.c (Copyright): Update date.
7434 (alloc_DEPS_LIST): Change signature. Update reference to the second
7435 operand of the DEPS_LIST.
7436 (copy_DEPS_LIST_list): Update reference to the second operand of the
7438 * rtl.h (Copyright): Update date.
7439 (alloc_DEPS_LIST): Update signature.
7440 * sched-int.h (Copyright): Update date.
7441 (ds_t): Change typedef to 'int'.
7442 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7444 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7446 * haifa-sched.c (Copyright): Update date.
7447 (try_ready): Change condition to restore non-speculative pattern
7449 (process_insn_depend_be_in_spec): Code to keep probability of the
7450 speculative dependence non-decreasing.
7452 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7454 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7455 shut up the compiler.
7457 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7459 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7460 to use lib prefix for target.
7461 ($(T)libic_invalidate_array_4-200.a): Likewise.
7462 ($(T)libic_invalidate_array_4a.a): Likewise.
7464 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7465 J"orn Rennecke <joern.rennecke@st.com>
7467 * superh.opt: New file.
7468 * sh.c (boardtype, osruntime): Remove.
7469 * superh.h (SUBTARGET_OPTIONS): Remove.
7470 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7472 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7473 arguments with ^ and/or [].
7475 * config.gcc (sh-*-*): Add quoting to account for quirk of
7477 Replace == with = in enable_incomplete_targets test.
7479 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7480 with MASK_LITTLE_ENDIAN.
7482 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7483 * config/sh/sh.opt: Added to some comments.
7484 * config/sh/superh.h: Removed some chaff.
7486 * config/sh/sh.opt: Add m4-[1234]00* options.
7487 * config/sh/sh.c (sh_handle_option): Likewise.
7488 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7489 (ic_invalidate_array_4-100.o): New rule.
7490 ($(T)libic_invalidate_array_4-100.a): Likewise.
7491 (ic_invalidate_array_4-200.o): Likewise.
7492 ($(T)libic_invalidate_array_4-200.a): Likewise.
7493 (ic_invalidate_array_4a.o): Likewise.
7494 ($(T)libic_invalidate_array_4a.a): Likewise.
7495 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7496 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7498 * config/sh/crt1.asm: Merged in profiling code.
7499 * config/sh/superh.h (STARTFILE_SPEC): Override.
7500 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7501 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7502 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7504 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7505 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7506 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7508 * sh.opt (mpretend-cmove): New option.
7509 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7510 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7511 (movsicc): Add TARGET_PRETEND_CMOVE code.
7513 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7515 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7516 s390_class_max_nregs): New function prototypes.
7517 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7518 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7519 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7520 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7522 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7524 * dwarf2out.c (add_location_or_const_value_attribute): Call
7525 tree_add_const_value_attribute if nothing else works.
7526 (reference_to_unused): New.
7527 (rtl_for_decl_init): Use reference_to_unused to decide whether
7528 to output an initializer.
7530 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7533 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7534 peephole removing spe frob_di_df_2.
7536 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7538 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7539 (subscript_dependence_tester_1): Declared.
7540 (print_dir_vectors, print_dist_vectors): New.
7541 (debug_data_dependence_relation): New.
7542 (dump_data_dependence_relation): Print more details.
7543 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7544 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7545 (save_dist_v, save_dir_v, add_outer_distances,
7546 build_classic_dist_vector_1): New.
7547 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7548 Don't test for lambda_vector_lexico_pos.
7549 (same_access_functions, add_multivariate_self_dist,
7550 add_other_self_distances, dir_from_dist): New.
7551 (build_classic_dir_vector): Replace implementation almost identical to
7552 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7554 (subscript_dependence_tester_1): New.
7555 (subscript_dependence_tester): Handle the lexicographically negative
7556 distance vectors by recomputing the dependence relation.
7557 (compute_affine_dependence): Remove parameter loop_nest_depth.
7558 (compute_self_dependence): Don't call compute_subscript_distance.
7559 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7560 Add a parameter for the loop_nest.
7561 (find_loop_nest_1, find_loop_nest): New.
7562 (compute_data_dependences_for_loop): Compute the loop nest, and give
7563 up if the nest is not well formed.
7564 * tree-data-ref.h (loop_p): New.
7565 (struct data_dependence_relation): Replace size_vect field with
7566 loop_nest, a vec of loops.
7567 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7568 (DDR_LOOP_NEST): New.
7569 (print_dir_vectors, print_dist_vectors,
7570 debug_data_dependence_relation): Declared.
7571 (index_in_loop_nest): New.
7572 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7573 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7576 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7578 * simplify-rtx.c (simplify_relational_operation): Call
7579 simplify_relational_operation_1 even if mode is VOIDmode.
7581 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7583 PR tree-optimization/26804
7584 * tree.h (DECL_CALL_CLOBBERED): New macro.
7585 (tree_decl_common): Add call_clobbered_flag.
7586 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7587 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7588 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7589 (mark_non_addressable): Ditto.
7590 * tree-ssa.c (verify_call_clobbered): New function.
7591 (verify_alias_info): Use it.
7592 * tree-pass.h (pass_reset_cc_flags): New prototype.
7593 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7594 (reset_cc_flags): New function.
7595 * passes.c (init_optimization_passes): Call reset_cc_flags after
7596 initializing referenced_vars.
7598 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7599 Roger Sayle <roger@eyesopen.com>
7602 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7603 to 1.0 for non-real operands. Implement A / A optimization for
7606 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7608 * config/i386/i386.c (size_cost): Correct the comment for
7609 cost of storing fp registers.
7610 (i386_cost): Likewise.
7611 (i486_cost): Likewise.
7612 (pentium_cost): Likewise.
7613 (pentiumpro_cost): Likewise.
7614 (k6_cost): Likewise.
7615 (athlon_cost): Likewise.
7616 (k8_cost): Likewise.
7617 (pentium4_cost): Likewise.
7618 (nocona_cost): Likewise.
7619 (generic64_cost): Likewise.
7620 (generic32_cost): Likewise.
7622 2006-03-24 Denis Chertykov <denisc@overta.ru>
7624 * config/avr/avr-protos.h (extra_constraint): Delete.
7625 (extra_constraint_Q): New declaration.
7626 * config/avr/constraints.md: New file.
7627 * config/avr/avr.md: Include it.
7628 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7629 (TMP_REGNO, ZERO_REGNO): Likewise.
7630 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7631 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7632 (extra_constraint): Delete.
7633 (extra_constraint_Q): Test for memory constraint 'Q'.
7634 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7635 (REG_CLASS_FROM_LETTER): Delete.
7636 (CONST_OK_FOR_LETTER_P): Delete.
7637 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7638 (EXTRA_CONSTRAINT): Delete.
7639 (TMP_REGNO): Delete.
7640 (ZERO_REGNO): Delete.
7642 2006-03-24 Jeff Law <law@redhat.com>
7644 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7645 directly. Call mark_new_vars_to_rename slightly earlier.
7647 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7649 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7651 (gen_compile_unit_die): Use new language types for Objective-C and
7653 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7654 DW_LANG_C_plus_plus.
7657 * config/t-darwin (crt3.o): Work around bug 26840.
7658 * config/darwin-crt3.c: Rewrite.
7659 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7661 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7663 * doc/invoke.texi: Document -femit-class-debug-always
7664 * common.opt: Add -femit-class-debug-always.
7666 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7668 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7669 index and base register.
7670 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7671 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7672 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7673 REGNO_OK_FOR_INDEX_P.
7674 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7676 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7677 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7678 REG_OK_FOR_BASE_P): Definitions removed.
7680 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7683 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7684 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7685 set yet or weren't marked as local yet.
7687 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7689 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7692 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7694 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7695 (rs6000_legitimate_small_data_p): Delete.
7696 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7697 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7698 and make static. Add forward declaration. Update uses.
7699 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7700 of offsettable_memref_p.
7701 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7702 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7704 2006-03-24 Jeff Law <law@redhat.com>
7706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7707 around bug in immediate-use iterator.
7709 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7712 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7713 or __LITTLE_ENDIAN__.
7715 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7717 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7718 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7719 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7720 * config/sh/sh.opt (mdiv=): Amend description.
7721 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7722 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7723 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7724 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7725 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7726 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7727 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7728 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7729 TARGET_DIVIDE_CALL_FP.
7731 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7733 * haifa-sched.c (choose_ready): Fix type of the local variable.
7734 Move local variables. Add comment.
7735 (check_reg_live): Change signature. Make callable from debugger.
7736 * sched-int.h (check_reg_live): Update signature.
7737 * sched-ebb.c (check_reg_live): Update parameters.
7738 * sched-rgn.c (check_reg_live): Ditto.
7739 (region_head_or_leaf_p): Check pointer before dereferencing.
7740 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7741 before reload on optimization levels below 1.
7743 2006-03-23 Richard Henderson <rth@redhat.com>
7745 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7749 * config/alpha/predicates.md (local_symbolic_operand): Reject
7752 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7755 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7756 expressions which have overflowed constants.
7758 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7760 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7762 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7764 * cfgloopmanip.c (create_loop_notes): Removed.
7765 * final.c (final_scan_insn): Do not handle loop notes.
7766 * jump.c (squeeze_notes): Ditto.
7767 * cfglayout.c (skip_insns_after_block,
7768 duplicate_insn_chain): Ditto.
7769 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7771 * cfgloop.h (create_loop_notes): Declaration removed.
7773 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7775 * varasm.c (output_constant_pool): Restore fnname and fndecl
7777 (assemble_start_function): Adjust call accordingly.
7778 (assemble_end_function): Likewise.
7780 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7783 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7786 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7788 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7791 * system.h (ICE_EXIT_CODE): New macro.
7792 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7793 (diagnostic_action_after_output): Likewise.
7794 * gcc.c (fatal_ice): New function.
7795 (execute): Use it instead of fatal.
7796 (fancy_abort): Likewise.
7797 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7799 2006-03-22 Jeff Law <law@redhat.com>
7801 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7802 iv_analyze_result returning false.
7804 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7806 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7808 2006-03-22 Richard Henderson <rth@redhat.com>
7811 * except.c (duplicate_eh_regions_0): New.
7812 (duplicate_eh_region_1): Duplicate the children of the node as
7813 well as the node itself. Link them up properly.
7814 (duplicate_eh_region_2): Merge into ...
7815 (duplicate_eh_regions): ... here. Take copy_region argument, and
7816 copy only a sub-tree if asked. Simplify copying and fixup.
7817 (eh_region_outer_p): New.
7818 * except.h (duplicate_eh_regions): Update decl.
7819 (eh_region_outer_p): Declare.
7820 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7821 (lower_omp_master): Likewise.
7822 (lower_omp_ordered): Likewise.
7823 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7824 (move_stmt_r): Use it to remap labels. Handle recursion vs
7825 remap_decls_p properly.
7826 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7827 (find_outermost_region_in_block): New.
7828 (new_label_mapper): New.
7829 (move_sese_region_to_fn): Copy eh information to the new function
7831 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7833 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7836 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7838 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7839 into shared libraries.
7841 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7843 * doc/md.texi: Refer to i386/constraints.md instead of
7845 * config/i386/constraints.md: New file, extracted from...
7846 * config/i386/predicates.md: ...here.
7847 * config/i386/i386.md: Include constraints.md.
7849 2006-03-21 Jason Merrill <jason@redhat.com>
7851 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7854 * expr.c (init_block_move_fn): Force default visibility.
7855 (init_block_clear_fn): Likewise.
7856 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7857 * targhooks.c (default_external_stack_protect_fail): Likewise.
7859 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7861 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7862 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7863 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7864 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7865 (loadgp): Use mips_current_loadgp_style.
7866 (loadgp_noshared): New pattern.
7867 (sibcall_internal): Use MIPS_CALL.
7868 (sibcall_value_internal): Likewise.
7869 (sibcall_value_multiple_internal): Likewise.
7870 (call_internal): Likewise.
7871 (call_value_internal): Likewise.
7872 (call_value_multiple_internal): Likewise.
7873 (call_split): Use MIPS_CALL and add an 'S' constraint.
7874 (call_value_split): Likewise.
7875 (call_value_multiple_split): Likewise.
7876 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7877 (-mshared): New option.
7878 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7879 (mips_current_loadgp_style): Declare.
7880 * config/mips/mips.c (mips_classify_symbol): Avoid using
7881 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7882 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7883 TARGET_ABSOLUTE_ABICALLS.
7884 (override_options): Adjust comments. Improve the warning that is
7885 issued when -mabicalls and -G are used together.
7886 (mips_file_start): Remove comment.
7887 (mips_current_loadgp_style): New function.
7888 (mips_gnu_local_gp): New variable.
7889 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7891 (mips_output_function_prologue): Use mips_current_laodgp_style.
7892 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7893 the cprestore instruction.
7894 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7895 live for TARGET_ABSOLUTE_ABICALLS.
7896 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7897 (ASM_SPEC): Pass down -mshared and -mno-shared.
7898 (MIPS_CALL): New macro.
7899 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7901 * doc/invoke.texi (-mabicalls): Update documentation.
7902 (-mshared): Document.
7904 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7906 * config/ia64/unwind-hpux.c: New file.
7907 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7909 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7912 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7914 2006-03-21 Jeff Law <law@redhat.com>
7916 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7917 type conversions of a VR_VARYING source to a wider type.
7919 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7921 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7922 tm_file on Solaris 10 and later.
7923 (sparc64-*-solaris2*): Likewise.
7924 (sparc-*-solaris2*): Likewise.
7925 * config/sol26.h: Rename to config/sol2-6.h.
7926 * config/sol2-10.h: New file.
7928 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7931 * tree-ssa-pre.c (create_component_ref_by_pieces):
7934 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7937 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7938 return it immediately.
7940 2006-03-21 Michael Matz <matz@suse.de>
7942 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7944 (remove_arc, add_arc): Update num_out_arcs member.
7945 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7947 (cache_presence): New function.
7948 (compare_states_for_equiv): New function.
7949 (state_is_differed): Don't take number of outargs, adjust callers.
7950 Use new invariant for speeding up.
7951 (init_equiv_class): Create initial classes based on sorted
7953 (partition_equiv_class): Don't track out_arcs_num.
7954 (evaluate_equiv_classes): Call cache_presence on all states and
7957 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7959 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7960 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7961 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7962 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7964 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7965 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7966 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7967 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7968 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7970 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7971 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7972 (REGNO_REG_CLASS): ARGP is in PREGS.
7973 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7975 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7976 to deal with those addresses.
7977 * addresses.h: New file.
7978 * caller-save.c: Include "addresses.h".
7979 (init_caller_save): Use new base_reg_class function.
7980 * rtl-factoring.c: Include "addresses.h".
7981 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7982 * recog.c: Include "addresses.h".
7983 (preprocess_constraints): Use new base_reg_class function.
7984 * regrename.c: Include "addresses.h".
7985 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7986 functions. Keep track of a new var INDEX_CODE to compute valid
7988 (replace_oldest_value_addr): Likewise.
7989 (replace_oldest_value_mem): Use base_reg_class.
7990 * reload.c: Include "addresses.h".
7991 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7992 (find_reloads): Use new base_reg_class function.
7993 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7994 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7995 all callers and prototype changed.
7996 * reload1.c: Include "addresses.h".
7997 (maybe_fix_stack_asms): Use base_reg_class.
7998 * regclass.c: Include "addresses.h".
7999 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8000 (init_reg_autoinc): Use new base_reg_class function.
8001 (record_reg_classes): Likewise.
8002 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8003 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8004 Use new args to compute necessary class.
8006 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8007 regrename.o, rtl-factoring.o): Update dependencies.
8008 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8009 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8010 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8011 REG_OK_FOR_INDEX_P): Delete documentation.
8013 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8015 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8016 from V7 to V9 for Solaris 7 and above.
8018 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8020 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8021 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8022 argument pointers may not alias any other storage.
8023 * common.opt: Define option -fargument-noalias-anything.
8024 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8025 alias semantics is specified by flag_argument_noalias > 2.
8027 2006-03-20 Jeff Law <law@redhat.com>
8029 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8030 (pass_phi_only_cprop): Declare.
8031 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8033 * tree-ssa-dom.c (degenerate_phi_result): New function.
8034 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8035 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8036 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8037 (eliminate_degenerate_phis): Likewise.
8038 (pass_phi_only_cprop): New pass descriptor.
8039 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8040 support code. Callers updated.
8041 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8042 (store_copy_prop): Likewise.
8043 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8045 2006-03-20 Jason Merrill <jason@redhat.com>
8048 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8049 (push_visibility, pop_visibility): Likewise.
8050 * c-pragma.h: Declare them.
8052 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8054 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8056 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8057 parameter and use get_ebb_head_tail.
8058 (sh_md_init_global): Adjust uses of find_regmode_weight.
8060 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8062 * function.h (struct function) <x_tail_recursion_reentry>:
8063 Rename to x_stack_check_probe_note.
8064 (tail_recursion_reentry): Rename to stack_check_probe_note.
8065 * function.c: Replace tail_recursion_reentry with
8066 stack_check_probe_note everywhere.
8067 (expand_function_start): Only emit a note for
8068 stack_check_probe_note with -fstack-protect.
8069 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8071 * emit-rtl.c (remove_unnecessary_notes): Remove.
8072 (pass_remove_unnecessary_notes): Remove.
8073 * rtl.h (remove_unnecessary_notes): Remove prototype.
8074 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8075 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8076 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8078 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8081 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8082 (valid_in_set): Handle ARRAY_REF.
8083 Change "if min_variant or VH" to asserts.
8084 (create_component_ref_by_pieces): Handle ARRAY_REF.
8085 (create_expression_by_pieces): Likewise.
8086 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8088 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8090 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8091 is operand of switch, not str[0].
8093 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8095 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8096 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8098 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8100 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8101 end of insn_extra_address_constraint declaration.
8103 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8105 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8106 (no-sum-in-toc): Same.
8107 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8109 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8110 NO_FP_IN_TOC for -fPIC instead of mask.
8112 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8113 (BOOT_LDFLAGS): Delete.
8115 * config/rs6000/t-aix52: Same.
8117 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8118 (stmsi[345678]_power): New.
8120 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8122 * config/ia64/ia64.opt: Add empty line to end of file.
8124 2006-03-17 Richard Guenther <rguenther@suse.de>
8127 * builtins.c (get_pointer_alignment): For component style references
8128 adjust alignment to the component type alignment. Make sure
8129 to adjust alignment for component access of constants.
8131 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8133 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8136 2006-03-17 Paul Brook <paul@codesourcery.com>
8138 * doc/install.texi: Docuemnt --with-mode.
8139 * config.gcc: Add --with-mode for arm*-*-*.
8140 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8142 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8144 * sh.c (max_labelno_before_reorg): New variable.
8145 (sh_reorg): Initialize it.
8146 (find_barrier): Check max_labelno_before_reorg before using
8147 label_to_alignment. Take length of explicit alignment insns
8148 into account. When seeing a UNSPECV_CONST_END, return it.
8150 * sh.c (fixup_mova): Set mode of affected label to QImode.
8151 (untangle_mova): New function.
8152 (find_barrier): Use it. Check mode of label before decrementing
8154 (sh_reorg): Likewise.
8155 Set mode of all insns back to VOIDmode.
8157 * sh.c (MOVA_LABELREF): New macro.
8158 (mova_p, fixup_mova, sh_reorg): Use it.
8159 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8160 ADDR_DIFF_VEC matches mova.
8162 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8164 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8165 with ATTRIBUTE_UNUSED.
8167 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8169 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8170 pointer, instead of assuming it is possible to derive the
8171 correct args size from a call insn.
8173 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8175 * rtl.h (CONST_INT_P): Define.
8176 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8177 instead of GET_CODE(x) == CONST_INT.
8178 (vax_rtx_costs): Likewise.
8179 (vax_output_int_move): Likewise.
8180 (vax_output_int_add): Likewise.
8181 (legitimate_constant_address_p): Likewise.
8182 (index_term_p): Likewise.
8183 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8184 * config/vax/vax.md (and<mode>3): Likewise.
8185 (ashrsi3): Likewise.
8187 (movstricthi): Likewise.
8188 (movstrictqi): Likewise.
8189 (rotrsi3): Likewise.
8190 (five unnamed insns): Likewise.
8192 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8194 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8195 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8196 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8197 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8198 Pass to ASM_OUTPUT_DWARF_OFFSET.
8199 * dwarf2out.c (debug_frame_section): New.
8200 (output_call_frame_info): Use debug_frame_section. Pass it to
8201 dw2_asm_output_offset.
8202 (output_die): Pass appropriate section to dw2_asm_output_offset.
8203 (output_compilation_unit_header): Likewise.
8204 (output_pubnames): Likewise.
8205 (output_aranges): Likewise.
8206 (enum dw_val_class): Break dw_val_class_lbl_offset into
8207 dw_val_class_lineptr and dw_val_class_macptr.
8208 (add_AT_lbl_offset): Delete.
8209 (add_AT_lineptr): New.
8210 (add_AT_macptr): New.
8211 (AT_lbl): Expect a lineptr or macptr.
8212 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8213 (attr_checksum): Likewise.
8214 (same_dw_val_p): Likewise.
8215 (size_of_die): Likewise.
8216 (value_format): Likewise.
8217 (output_die): Likewise.
8218 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8220 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8221 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8222 * config/darwin-protos.h (darwin_file_start): New.
8223 (darwin_asm_output_dwarf_offset): New.
8224 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8225 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8227 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8228 if not EH section; simplify.
8229 (darwin_file_start): New.
8230 (darwin_asm_output_dwarf_offset): New.
8231 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8233 (DEBUG_INFO_SECTION): Likewise.
8234 (DEBUG_ABBREV_SECTION): Likewise.
8235 (DEBUG_ARANGES_SECTION): Likewise.
8236 (DEBUG_MACINFO_SECTION): Likewise.
8237 (DEBUG_LINE_SECTION): Likewise.
8238 (DEBUG_LOC_SECTION): Likewise.
8239 (DEBUG_PUBNAMES_SECTION): Likewise.
8240 (DEBUG_STR_SECTION): Likewise.
8241 (DEBUG_RANGES_SECTION): Likewise.
8242 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8243 (ASM_OUTPUT_DWARF_OFFSET): New.
8245 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8247 * config.gcc (tm_defines): Always add to previous value rather
8250 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8252 * config/mips/predicates.md (splittable_const_int_operand): New,
8253 split from move_operand.
8254 (splittable_symbolic_operand): New.
8255 (move_operand): Add commentary. Use splittable_const_int_operand.
8256 Inline mips_atomic_symbolic_constant_p.
8257 * config/mips/mips.md: Add combine splitters for handling moves
8258 of splittable_const_int_operands and splittable_symbolic_operands.
8259 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8260 (mips_split_symbol): Declare.
8261 (mips_move_integer): Declare.
8262 * config/mips/mips.c (mips_split_p): Make global.
8263 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8264 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8265 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8266 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8267 (mips_offset_within_object_p): Handle block symbols.
8268 (mips_atomic_symbolic_constant_p): Delete.
8269 (mips_cannot_force_const_mem): Return false for constants that
8270 mips_legitimize_move can handle.
8271 (mips_use_blocks_for_constant_p): New function.
8272 (mips_split_symbol): Make global.
8273 (mips_move_integer): Likewise. Add a temporary register argument.
8274 (mips_legitimize_const_move): Use splittable_const_int_operand and
8275 splittable_symbolic_operand.
8276 (mips_use_anchors_for_symbol_p): New function.
8277 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8278 (mips_split_p): Declare.
8280 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8282 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8283 (mips*-*-linux*): Likewise.
8285 2006-03-16 Roger Sayle <roger@eyesopen.com>
8286 Daniel Speyer <dspeyer@wam.umd.edu>
8289 * tree-dump.c (dump_real): New function.
8290 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8291 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8292 (tree-dump.o): Add $(REAL_H) to the dependencies.
8294 2006-03-16 Roger Sayle <roger@eyesopen.com>
8297 * real.c (real_from_string): If the mantissa is zero, don't bother
8298 parsing the exponent as the result should always be zero.
8300 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8302 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8304 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8306 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8307 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8308 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8309 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8310 ia64_sched_finish_global): New static functions to implement
8311 hooks from gcc_target.sched.
8312 (spec_check_no, max_uid, pending_data_specs): New static variables.
8313 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8314 ia64_spec_check_src_p): New static functions.
8315 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8316 (TARGET_SCHED_ADJUST_COST): Removed.
8317 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8318 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8319 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8320 TARGET_SCHED_GEN_CHECK,
8321 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8322 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8323 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8324 Fixed to handle speculation checks.
8325 (rtx_needs_barrier): Fixed to handle speculative loads and
8327 (ia64_variable_issue): Added code to count speculative loads and their
8329 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8331 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8333 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8335 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8336 (ia64_reorg): Reset stops_p to NULL after it is freed.
8337 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8338 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8339 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8341 (data_speculative, control_speculative, check_load): New attributes.
8342 (mov<mode>_advanced, mov<mode>_speculative,
8343 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8344 zero_extend<mode>di2_speculative,
8345 zero_extend<mode>di2_speculative_advanced): New patterns for
8346 data and control speculative loads.
8347 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8349 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8350 New pattern for data and control speculation checks.
8351 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8352 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8353 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8354 Auxiliary definitions for the patterns.
8355 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8356 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8358 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8360 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8361 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8362 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8363 New resource constraints.
8364 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8366 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8367 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8368 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8369 msched-in-control-spec, msched-ldc, msched-control-ldc,
8370 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8371 msched-prefer-non-control-spec-insns,
8372 msched-count-spec-in-critical-path): New flags to tune speculative
8374 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8375 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8376 msched-in-control-spec, msched-ldc, msched-control-ldc,
8377 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8378 msched-prefer-non-control-spec-insns,
8379 msched-count-spec-in-critical-path): Document new flags.
8381 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8383 * target.h (struct spec_info_def): New opaque declaration.
8384 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8385 speculate_insn, needs_block_p, gen_check,
8386 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8387 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8388 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8389 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8390 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8391 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8393 (TARGET_SCHED): Use new macros.
8394 * rtl.h (copy_DEPS_LIST_list): New prototype.
8395 * sched-int.h (struct sched_info): Change signature of new_ready field,
8396 adjust all initializations. New fields: add_remove_insn,
8397 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8398 region_head_or_leaf_p.
8399 (struct spec_info_def): New structure declaration.
8400 (spec_info_t): New typedef.
8401 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8402 recovery_block, orig_pat.
8403 (glat_start, glat_end): New variables declaraions.
8404 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8406 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8407 DETACH_LIFE_INFO, USE_GLAT.
8408 (enum SPEC_SCHED_FLAGS): New enumeration.
8409 (NOTE_NOTE_BB_P): New macro.
8410 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8411 attach_life_info, debug_spec_status, check_reg_live): New functions.
8412 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8413 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8415 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8416 * ddg.c (get_block_head_tail): Adjust all uses.
8417 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8418 (sms_sched_info): Initialize new fields.
8419 (contributes_to_priority): Removed.
8420 * haifa-sched.c (params.h): New include.
8421 (get_block_head_tail): Adjust all uses.
8422 (ISSUE_POINTS): New macro.
8423 (glat_start, glat_end): New global variables.
8424 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8425 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8426 old_last_basic_block, before_recovery, current_sched_info_var,
8427 rgn_n_insns, luid): New static variables.
8428 (insn_cost1): New function. Move logic from insn_cost to here.
8429 (find_insn_reg_weight1): New function. Move logic from
8430 find_insn_reg_weight to here.
8431 (reemit_notes, move_insn, max_issue): Change signature.
8432 (move_insn1): Removed.
8433 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8434 extend_bb): New static functions to support extension of scheduler's
8436 (generate_recovery_code, process_insn_depend_be_in_spec,
8437 begin_speculative_block, add_to_speculative_block,
8438 init_before_recovery, create_recovery_block, create_check_block_twin,
8439 fix_recovery_deps): New static functions to support
8440 generation of recovery code.
8441 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8442 restore_bb_notes, move_block_after_check, move_succs): New static
8443 functions to support ebb scheduling.
8444 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8445 functions to support handling of register live information.
8446 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8447 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8448 add_jump_dependencies): New static functions.
8449 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8450 consistancy checking.
8451 (debug_spec_status): New function to call from debugger.
8452 (priority): Added code to handle speculation checks.
8453 (rank_for_schedule): Added code to distinguish speculative instructions.
8454 (schedule_insn): Added code to handle speculation checks.
8455 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8456 Fixed to handle ebbs.
8457 (move_insn): Added code to handle ebb scheduling.
8458 (max_issue): Added code to use ISSUE_POINTS of instructions.
8459 (choose_ready): Added code to choose between speculative and
8460 non-speculative instructions.
8461 (schedule_block): Added code to handle ebb scheduling and scheduling of
8462 speculative instructions.
8463 (sched_init): Initialize new variables.
8464 (sched_finish): Free new variables. Print statistics.
8465 (try_ready): Added code to handle speculative instructions.
8466 * lists.c (copy_DEPS_LIST_list): New function.
8467 * sched-deps.c (extend_dependency_caches): New function. Move logic
8468 from create_dependency_caches to here.
8469 (get_dep_weak, ds_merge): Make global.
8470 * genattr.c (main): Code to output prototype for
8471 dfa_clear_single_insn_cache.
8472 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8473 (output_dfa_clean_insn_cache_func): Code to output
8474 dfa_clear_single_insn_cache function.
8475 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8477 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8479 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8480 New static variables.
8481 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8482 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8484 (ebb_sched_info): Initialize new fields.
8485 (get_block_head_tail): Adjust all uses.
8486 (compute_jump_reg_dependencies): Fixed to use glat_start.
8487 (schedule_ebb): Code to remove unreachable last block.
8488 (schedule_ebbs): Added code to update register live information.
8489 * sched-rgn.c (region_sched_info): Initialize new fields.
8490 (get_block_head_tail): Adjust all uses.
8491 (last_was_jump): Removed. Adjust users.
8492 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8493 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8494 Implement new hooks.
8495 (check_dead_notes1): New static function.
8496 (struct region): New fields: dont_calc_deps, has_real_ebb.
8497 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8498 (BB_TO_BLOCK): Fixed to handle EBBs.
8499 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8500 (ebb_head): New static variable.
8501 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8502 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8504 (compute_dom_prob_ps): New assertion.
8505 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8506 global_live_at_start.
8507 (init_ready_list): New assertions.
8508 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8509 (new_ready): Add support for BEGIN_CONTROL speculation.
8510 (schedule_insns): Fixed code that updates register live information
8512 (schedule_region): Fixed to handle EBBs.
8513 (init_regions): Use extend_regions and check_dead_notes1.
8514 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8515 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8516 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8517 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8518 TARGET_SCHED_GEN_CHECK,
8519 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8520 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8521 * doc/invoke.texi (max-sched-insn-conflict-delay,
8522 sched-spec-prob-cutoff): Document.
8524 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8526 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8527 inter_tick, queue_index.
8528 (struct sched_info): Change signature of init_ready_list field.
8529 Adjust all initializations.
8530 (RESOLVED_DEPS): New access macro.
8531 (ready_add): Remove prototype.
8532 (try_ready): Add prototype.
8533 * sched-rgn.c (init_ready_list): Use try_ready.
8534 (schedule_region): Initialize
8535 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8536 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8537 (init_ready_list): Use try_ready.
8538 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8539 * lists.c (remove_list_elem): Remove `static'.
8540 (remove_free_INSN_LIST_elem): New function.
8541 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8542 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8543 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8545 (readyp): New variable.
8546 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8547 change_queue_index, resolve_dep): New static functions.
8548 (try_ready): New function. Adjust callers in sched-rgn.c and
8549 sched-ebb.c to use it instead of ready_add.
8550 (clock_var): Move at the begining of file.
8551 (rank_for_schedule): Fix typo.
8552 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8553 (ready_lastpos): Enforce assertion.
8554 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8556 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8557 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8558 (queue_to_ready): Use free_INSN_LIST_list.
8559 (early_queue_to_ready): Fix typo.
8560 (schedule_block): Init readyp. Move init_ready_list call after the
8561 initialization of clock_var. Fix error in rejecting insn by
8562 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8563 that previously corrected INSN_TICKs. Add code for handling
8565 (set_priorities): Fix typo.
8566 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8567 Clarify comment and code that keeps current_sched_info->next_tail
8570 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8572 * sched-rgn.c (extend_rgns): New static function.
8573 (find_rgns): Use it.
8574 (gather_region_statistics, print_region_statistics): New static
8576 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8577 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8579 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8580 Andrey Belevantsev <abel@ispras.ru>
8582 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8583 * lists.c (unused_deps_list): New variable.
8584 (free_list): Add assertions to verify the proper distinguishing
8585 between INSN_LISTs and DEPS_LISTs.
8586 (find_list_elem, remove_list_elem, remove_list_node): New static
8588 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8589 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8590 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8591 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8593 (free_INSN_LIST_node): Likewise.
8594 * modulo-sched.c (current_sched_info): Initialize flags field.
8595 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8596 * rtl.def (DEPS_LIST): Define.
8597 * rtl.h: Declare new functions from lists.c.
8598 * sched-deps.c (spec_dependency_cache): New static variable.
8599 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8600 (add_dependence): Change return type to void. Move the logic to ...
8601 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8602 (delete_all_dependences): Add comment about forward_dependency_cache.
8603 Handle spec_dependency_cache. Handle DEPS_LISTs.
8604 (fixup_sched_groups): Clarify the change of priority of output
8605 and anti dependencies.
8606 (sched_analyze_2): Adjust add_dependence calls to create data
8607 speculative dependence.
8608 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8609 Adjust all callers. Handle DEPS_LISTS.
8610 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8611 presence of speculation.
8612 (init_dependency_caches, free_dependency_caches):
8613 Handle spec_dependency_cache.
8614 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8615 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8616 New static functions.
8617 (add_or_update_back_dep, add_or_update_back_forw_dep,
8618 add_back_forw_dep, delete_back_forw_dep): New functions.
8619 * sched-int.h (ds_t, dw_t): New typedefs.
8620 (struct sched_info): Add new field flags.
8621 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8622 Prototype new sched-deps.c functions.
8623 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8624 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8625 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8626 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8627 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8628 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8630 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8632 * sched-rgn.c (current_sched_info): Initialize flags field.
8633 (schedule_insns): Initialize current_sched_info before the sched_init
8635 * sched-ebb.c (current_sched_info): Initialize flags field.
8636 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8637 Call add_or_update_back_dep instead of add_dependence.
8638 Create control speculative dependencies.
8639 (schedule_insns): Initialize current_sched_info before the sched_init
8642 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8644 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8646 (sh_fallback_frame_state): Likewise.
8648 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8650 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8651 Do switch on default_use_cxa_atexit.
8652 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8653 * config/darwin-crt3.o: New.
8654 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8655 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8656 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8658 * config/rs6000/t-darwin: Move crt2.o building to here.
8659 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8660 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8663 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8665 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8666 from '! xxx' to '!xxx' for coding-style conformance.
8667 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8668 (EXTRA_CONSTRAINT): Likewise.
8669 * config/vax/vax.md (four unnamed insns): Likewise.
8671 2006-03-15 Paul Brook <paul@codesourcery.com>
8673 * config/arm/arm.c (minipool_pad): New.
8674 (add_minipool_forward_ref): Include pool alignment padding in address
8676 (push_minipool_fix): Set minipool_pad.
8677 (minipool_pad): Ditto.
8679 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8681 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8682 instead of GET_CODE() == MEM and REG_P() instead of
8684 (print_operand_address): Likewise.
8685 (vax_address_cost): Likewise.
8686 (vax_rtx_costs): Likewise.
8687 (vax_notice_update_cc): Likewise.
8688 (vax_output_int_add): Likewise.
8689 (INDEX_REGISTER_P): Likewise.
8690 (BASE_REGISTER_P): Likewise.
8691 (nonindexed_address_p): Likewise.
8692 (vax_mode_dependent_address_p): Likewise.
8693 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8694 (PRINT_OPERAND): Likewise.
8695 * config/vax/vax.md (ashlsi3): Likewise.
8696 (ashlsi3): Likewise.
8697 (some more unnamed insns): Likewise.
8699 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8701 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8702 iterator-style macro.
8703 (mark_control_dependent_edges_necessary): Update the use of
8704 EXECUTE_IF_CONTROL_DEPENDENT.
8706 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8708 * config/sh/predicates.md (cache_address_operand): Special.
8709 (ua_address_operand): Likewise.
8711 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8713 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8715 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8717 2006-03-15 Andreas Schwab <schwab@suse.de>
8719 * gensupport.c (identify_predicable_attribute): Don't free p_false
8720 when it is still in use.
8722 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8724 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8725 the default setting here.
8727 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8729 * tree-pass.h (pass_cfg): Remove.
8730 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8731 * passes.c (pass_cfg): Don't run it.
8733 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8735 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8736 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8738 (stack_regs_mentioned): Update the uses of
8739 stack_regs_mentioned_data. Don't access the array beyond its
8741 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8742 Don't include gt-reg-stack.h.
8744 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8745 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8747 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8750 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8753 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8755 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8757 2006-03-14 Richard Guenther <rguenther@suse.de>
8759 PR tree-optimization/26672
8760 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8763 2006-03-14 Richard Guenther <rguenther@suse.de>
8765 PR tree-optimization/26667
8766 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8767 node for the callees. Always allow inlining if it will shrink
8770 2006-03-14 Richard Guenther <rguenther@suse.de>
8773 * builtins.c (get_pointer_alignment): Prefer alignment
8774 information from decls over that from types.
8776 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8779 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8781 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8783 * config/rs6000/rs6000.opt (mdlmzb): New option.
8784 (msched-prolog, msched-epilog): Use Var not Mask.
8785 * doc/invoke.texi (-mdlmzb): Document.
8786 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8788 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8789 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8791 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8793 PR rtl-optimization/25739
8794 * bt-load.c (augment_live_range): Free tos pointer.
8796 * gensupport.c (identify_predicable_attribute): Free
8798 * gcov.c (create_file_names): Free name pointer.
8800 2006-03-13 Roger Sayle <roger@eyesopen.com>
8803 * stmt.c (emit_case_nodes): Handle the case where the index is a
8804 CONST_INT, where the comparison mode is specified by the index type.
8806 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8808 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8811 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8813 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8814 (*branch_fp_inverted): Likewise.
8816 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8819 * omp-low.c (expand_omp_for_generic): Mark istart0
8820 and iend0 as addressable.
8822 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8824 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8826 2006-03-13 Jeff Law <law@redhat.com>
8828 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8829 virtual operands are interesting.
8830 (vrp_visit_stmt): Corresponding changes.
8832 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8834 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8836 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8837 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8838 * config/bfin/crti.S: Use it instead of __PIC__.
8839 * config/bfin/crtn.S: Likewise.
8841 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8842 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8844 Lose 'G' modifier for call operand.
8845 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8846 recognize 'G' modifier.
8848 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8851 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8852 * stmt.c (expand_case): Likewise.
8854 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8856 PR rtl-optimization/26254
8857 * loop-invariant.c (seq_insns_valid_p): New function.
8858 (move_invariant_reg): Only emit new code if it is valid.
8860 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8862 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8864 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8865 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8866 (commit_one_edge_insertion): Do not look for loop notes.
8868 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8870 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8871 flag_test_coverage out of loop.
8873 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8875 * final.c (shorten_branches): Remove outdated comment, and turn
8876 the if branch that guards it to continue.
8878 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8880 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8881 * cfgloop.h (struct loop): Remove unused fields.
8883 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8885 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8886 (-dL, -fdump-rtl-loop2): Update the dump file names
8888 * doc/invoke.texi: Update dump file names.
8890 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8892 * predict.c (estimate_probability): Remove.
8893 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8894 * basic-block.h (estimate_probability): Remove prototype.
8895 * passes.c (finish_optimization_passes): Dump branch prediction or
8896 profiling heuristics to the .profile tree dump.
8897 (init_optimization_passes): Unqueue pass_branch_prob.
8899 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8901 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8903 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8904 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8906 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8908 * function.h (frame_offset_overflow): Declare.
8909 * function.c (frame_offset_overflow): New function.
8910 (assign_stack_local_1): Call it to detect that the offset overflows.
8911 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8913 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8915 * config/sh/sh.c: Include alloc-pool.h.
8916 (label_ref_list_pool): New alloc pool.
8917 (label_ref_list_t): New type for lists of labels.
8918 (struct pool_node): Make wend a label_ref_list_t.
8919 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8921 (dump_table): Likewise.
8922 (sh_reorg): Set up the alloc pool before using add_constant and
8923 dump_table, and destroy it when finishing.
8925 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8927 * config/mips/mips.c: Remove redundant comment.
8929 2006-03-10 Jason Merrill <jason@redhat.com>
8932 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8933 the target was declared 'register'.
8935 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8937 * genpreds.c (write_insn_constraint_len): Change definition of
8938 insn_constraint_len to return size_t to match the declaration.
8940 2006-03-10 DJ Delorie <dj@redhat.com>
8942 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8944 (m32c_expand_insv): Fix test for an AND mask.
8946 2006-03-10 Richard Guenther <rguenther@suse.de>
8949 * builtins.c (get_pointer_alignment): Handle component
8950 references for field alignment.
8952 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8954 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8955 when building with libgloss.
8956 (sh*elf): Implement --without-fp option.
8957 (sh64-superh-linux*): Don't multilib.
8959 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8961 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8963 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8965 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8966 Set it when one of the replacement functions returned true.
8967 Return TODO_cleanup_cfg if cfgchanged is true.
8968 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8970 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8972 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8973 instead of gen_lowpart.
8975 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8977 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8979 (mips_output_order_conditional_branch): Declare.
8980 * config/mips/mips.h (MIPS_BRANCH): New macro.
8981 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8982 for the comparison. Use gen_condjump.
8983 (mips_output_conditional_branch): Rework interface to take the
8984 asm templates for a direct branch and the inverse of a direct branch.
8985 (mips_output_order_conditional_branch): New function.
8986 (mips_builtin_branch_and_move): New function.
8987 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8988 branch condition. Use gen_single_cc as the condition for
8989 __builtin_mips_upper_* or __builtin_mips_lower_*.
8990 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8991 Use VOIDmode for the branch condition.
8992 * config/mips/predicates.md (order_operator): New predicate.
8993 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8994 (branch_fp): Rename to...
8995 (*branch_fp): ...this. Remove mode from comparison operator.
8996 Use new mips_output_conditional_branch interface.
8997 (branch_fp_inverted): Rename to...
8998 (*branch_fp_inverted): ...this and update as for *branch_fp.
8999 (*branch_zero<mode>): Rename to...
9000 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9001 Use mips_output_order_conditional_branch. Only accept ordered
9003 (*branch_zero<mode>_inverted): Rename to...
9004 (*branch_order<mode>_inverted): ...this and update as for
9005 *branch_order<mode>.
9006 (*branch_equality<mode>): Accept zero as the second operand to
9007 the equality operator. Use the new mips_output_conditional_branch
9009 (*branch_equality<mode>_inverted): Likewise.
9010 (condjump): New expander.
9011 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9013 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9014 (bc1any2t, bc1any2f): Likewise.
9015 (single_cc): New expander.
9016 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9018 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9020 * doc/md.texi: Update documentation of MIPS constraints.
9021 * config/mips/constraints.md: New file.
9022 * config/mips/mips.md: Include it.
9023 * config/mips/mips.c (mips_char_to_class): Delete.
9024 (override_options): Don't initialize mips_char_to_class.
9025 * config/mips/mips.h (mips_char_to_class): Delete.
9026 (REG_CLASS_FROM_LETTER): Delete.
9027 (CONST_OK_FOR_LETTER_P): Delete.
9028 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9029 (EXTRA_CONSTRAINT_Y): Delete.
9030 (EXTRA_CONSTRAINT_STR): Delete.
9031 (CONSTRAINT_LEN): Delete.
9032 (EXTRA_MEMORY_CONSTRAINT): Delete.
9034 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9036 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9037 original fn's eh regions.
9039 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9041 * fold-const.c (build_range_check): Make sure to use a valid type to
9042 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9045 (range_predecessor): New static function.
9046 (range_successor): Likewise.
9047 (merge_ranges): Use them to compute predecessors and successors of
9050 2006-03-09 Roger Sayle <roger@eyesopen.com>
9053 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9054 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9056 2006-03-08 DJ Delorie <dj@redhat.com>
9058 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9059 (addpsi3): Expand to include memory operands. Remove
9060 reload-specific splits.
9061 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9062 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9063 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9064 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9065 (shift1_qi, shift1_hi, insv): New.
9066 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9067 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9068 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9070 * config/m32c/m32c-protos.h: Update as needed.
9071 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9072 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9073 Fail for unrecognized R* constraints.
9074 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9075 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9076 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9078 (m32c_init_libfuncs): New.
9079 (m32c_legitimate_address_p): Add debug wrapper.
9080 (m32c_rtx_costs): New.
9081 (m32c_address_cost): New.
9082 (conversions): Add 'B' prefix.
9083 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9084 operands, or word regnames for QI operands. 'B' prints bit
9086 (m32c_expand_setmemhi): New.
9087 (m32c_expand_movmemhi): New.
9088 (m32c_expand_movstr): New.
9089 (m32c_expand_cmpstr): New.
9090 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9091 (m32c_expand_neg_mulpsi3): Handle non-ints.
9092 (m32c_cmp_flg_0): New.
9093 (m32c_expand_movcc): New.
9094 (m32c_expand_insv): New.
9095 (m32c_scc_pattern): New.
9096 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9097 a0/a1 out of SIregs.
9098 (STORE_FLAG_VALUE): New.
9099 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9102 * config/m32c/mov.md: Make constraints more liberal.
9103 (zero_extendqihi2): Optimize r0/r1 case.
9104 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9105 * config/m32c/predicates.md (m32c_any_operand): New.
9106 (m32c_nonimmediate_operand): New.
9107 (m32c_hl_operand): New.
9108 (m32c_r3_operand): New.
9111 (memsym_operand): New.
9112 (memimmed_operand): New.
9113 (a_qi_operand): New.
9114 (m32c_eqne_operator): New.
9115 (m32c_1bit8_operand): New.
9116 (m32c_1bit16_operand): New.
9117 (m32c_1mask8_operand): New.
9118 (m32c_1mask16_operand): New.
9119 * config/m32c/blkmov.md: New file.
9120 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9122 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9124 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9125 unsigned to fix signed/unsigned comparison issue in
9126 DWARF2_FRAME_REG_OUT.
9127 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9128 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9130 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9131 of ptr into the ENABLE_CHECKING section.
9133 2006-03-08 Jeff Law <law@redhat.com>
9135 * tree-vrp.c (infer_value_range): Only count pointer uses
9136 and dereferences if -fdelete-null-pointer-checks is enabled.
9138 * tree-vrp.c (find_assert_locations): Infer value ranges for
9139 single use pointers, but do not create ASSERT_EXPRs for them.
9140 When a non-null range is inferred for a pointer, backwards
9141 propagate that range to other equivalent pointers through the
9144 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9147 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9148 language hook targets.
9149 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9150 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9151 if language hook targets were missing.
9153 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9155 * tree-ssa-opfinalize.h: Removed.
9156 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9158 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9159 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9160 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9161 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9162 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9163 finalize_ssa_v_must_def_ops): New.
9165 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9167 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9170 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9172 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9174 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9175 addresses with offsets; reorganize.
9177 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9178 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9179 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9181 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9184 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9186 2006-03-08 Ben Elliston <bje@au.ibm.com>
9188 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9190 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9193 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9196 2006-03-07 Richard Guenther <rguenther@suse.de>
9198 PR tree-optimization/26587
9199 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9201 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9203 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9205 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9207 * hooks.c (hook_bool_mode_rtx_true): New function.
9208 * hooks.h (hook_bool_mode_rtx_true): Declare.
9209 * toplev.c (compile_file): Call output_shared_constant_pool.
9210 * varasm.c (shared_constant_pool): New variable.
9211 (assemble_start_function, assemble_end_function): Remove arguments
9212 from call to output_constant_pool.
9213 (create_constant_pool): New function, split out from...
9214 (init_varasm_status): ...here.
9215 (force_const_mem): Choose between the shared and per-function constant
9216 pools. Set current_function_uses_const_pool when reusing old entries
9217 as well as when creating new ones.
9218 (mark_constant): Ignore data argument.
9219 (mark_constants): Remove pool argument.
9220 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9221 to decide whether the function uses a constant pool.
9222 (output_constant_pool_contents): New function, split out from...
9223 (output_constant_pool): ...here.
9224 (output_shared_constant_pool): New function.
9225 (init_varasm_once): Initialize shared_constant_pool.
9226 * output.h (output_constant_pool): Delete.
9227 (output_shared_constant_pool): Declare.
9228 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9229 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9231 2006-03-06 Nick Clifton <nickc@redhat.com>
9233 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9234 flag_strength_reduce.
9236 2006-03-06 Ben Elliston <bje@au.ibm.com>
9238 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9239 x86_64-*-linux* configurations.
9241 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9242 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9244 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9246 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9248 * basic-block.h: Remove the extern for
9249 rediscover_loops_after_threading.
9251 * cfgloop.c (cancel_loop): Make it static.
9252 * cfgloop.h: Remove the prototype for cancel_loop.
9254 * flow.c (recompute_reg_usage): Make it static.
9255 * rtl.h: Remove the prototype for recompute_reg_usage.
9257 * function.c (use_return_register): Make it static.
9258 * function.h: Remove the prototype.
9260 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9262 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9264 * recog.h: Remove the prototype for
9265 validate_change_maybe_volatile.
9267 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9269 * rtlanal.c (replace_reg): Remove.
9270 * rtl.h: Remove the prototype for replace_reg.
9272 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9274 * regclass.c (reg_scan_update): Remove.
9275 (reg_scan_mark_refs): Remove the last argument.
9276 * rtl.h: Remove the prototype for reg_scan_update.
9278 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9280 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9281 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9282 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9283 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9284 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9285 loop-invariant.c, omp-low.c, opts.c, passes.c,
9286 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9287 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9288 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9289 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9290 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9291 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9293 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9295 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9296 * dwarf2out.h: Remove the prototype for
9297 dwarf2out_add_library_unit_info.
9299 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9301 * tree.c (add_var_to_bind_expr): Remove.
9302 * tree.h: Remove the prototype for add_var_to_bind_expr.
9304 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9306 * regclass.c (n_non_fixed_regs): Remove.
9307 (init_reg_sets_1, globalize_reg): Remove all uses of
9309 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9311 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9313 * rtlanal.c (insns_safe_to_move_p): Remove.
9314 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9316 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9318 * expmed.c (expand_mult_add): Remove.
9319 * expr.h: Remove the prototype for expand_mult_add.
9321 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9323 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9324 and REG_SAVED_VAL_EXP constants.
9325 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9326 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9327 Handle regs stored by value.
9328 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9329 (execute_cfa_program): Handle DW_CFA_val_offset,
9330 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9331 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9332 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9333 (uw_install_context_1): Handle target regs stored by value.
9335 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9337 * tree-sra.c (tree_sra): Return todoflags;
9338 (generate_one_element): Set TODO_update_smt_usage if needed.
9339 (pass_sra): Remove TODO_update_smt_usage.
9340 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9342 (tree_ssa_forward_propagate_single_use_vars): Return
9343 TODO_update_smt_usage if we need to update SMT usage.
9344 (pass_forwprop): Remove TODO_update_smt_usage.
9346 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9348 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9349 (correct_use_link): Remove reference to get_stmt_operands.
9350 (update_stmt_operands): Likewise.
9351 (get_modify_expr_operands): New function factored out of
9352 parse_ssa_operands and get_expr_operands.
9353 Try to create V_MUST_DEFs for LHS by default.
9354 (get_expr_operands) <case MODIFY_EXPR>: Call
9355 get_modify_expr_operands.
9356 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9357 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9358 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9359 get_modify_expr_operands.
9361 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9363 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9364 * tree-flow.h: Remove the prototype for
9365 referenced_var_lookup_if_exists.
9367 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9369 PR rtl-optimization/26345
9371 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9373 2006-03-03 Roger Sayle <roger@eyesopen.com>
9375 PR tree-optimization/26524
9376 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9377 fold_convert to create a constant of the appropriate type.
9379 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9381 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9382 SYMBOL_REF_IN_BLOCK_P.
9383 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9384 of SYMBOL_FLAG_IN_BLOCK.
9385 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9386 instead of SYMBOL_REF_IN_BLOCK_P.
9387 * explow.c (use_anchored_address): Likewise.
9388 * rtl.c (rtx_size): Likewise.
9389 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9390 instead of SYMBOL_FLAG_IN_BLOCK.
9391 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9392 SYMBOL_REF_IN_BLOCK_P.
9393 (assemble_variable): Likewise.
9394 (output_constant_def_contents): Likewise.
9395 (output_constant_pool): Likewise.
9396 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9397 instead of SYMBOL_FLAG_IN_BLOCK.
9398 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9399 SYMBOL_REF_IN_BLOCK_P.
9400 (SYMBOL_REF_BLOCK): Likewise.
9401 (SYMBOL_REF_OFFSET): Likewise.
9402 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9403 SYMBOL_REF_IN_BLOCK_P.
9404 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9405 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9406 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9407 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9409 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9411 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9413 2006-03-02 Roger Sayle <roger@eyesopen.com>
9415 * simplify-rtx.c (simplify_unary_operation): When simplifying
9416 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9417 that we perform the right shift in the appropriate mode, and
9418 then extend or truncate the result to requested mode.
9420 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9422 * gengtype.c (main): Handle double_int type.
9423 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9424 * double-int.c: New file.
9425 * double-int.h: New file.
9426 * system.h: Include doubleint.h.
9427 * Makefile.in (SYSTEM_H): Include double-int.h.
9428 (double-int.o): Add.
9430 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9433 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9436 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9438 * tree-vrp.c (remove_range_assertions): Do not update statements
9441 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9443 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9445 * gcse.c (rest_of_handle_gcse): Ditto.
9446 * except.c (gate_handle_eh): Ditto.
9447 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9448 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9450 2006-03-02 Eric Christopher <echristo@apple.com>
9452 * config/i386/i386.c (machopic_output_stub): Add indirection to
9455 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9459 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9461 Sun Niagara specific optimizations.
9462 * config.gcc: Recognize niagara as target.
9463 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9464 (TARGET_CPU_niagara): Define.
9465 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9466 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9467 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9468 (ASM_CPU_SPEC): Likewise.
9469 (PROCESSOR_NIAGARA): New enum entry.
9470 (REGISTER_MOVE_COST): Handle Niagara.
9471 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9472 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9473 (sparc_override_options): Recognize "niagara", set appropriate
9474 default MASK_* values for it, and align functions to 32-bytes
9475 by default just like ULTRASPARC/ULTRASPARC3.
9476 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9477 (sparc64_initialize_trampoline): Likewise.
9478 (sparc_use_sched_lookahead): Use zero for niagara.
9479 (sparc_issue_rate): Use one for niagara.
9480 * config/sparc/niagara.md: New file.
9481 * config/sparc/sparc.md: Include it.
9482 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9483 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9484 when default cpu is niagara.
9485 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9486 (ASM_CPU_SPEC): Likewise.
9487 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9488 when default cpu is niagara.
9489 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9490 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9491 just like v9/ultrasparc/ultrasparc3.
9492 * doc/invoke.texi: Add documentation for "niagara" and improve
9493 existing documentation for ultrasparc variants.
9495 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9497 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9499 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9501 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9502 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9503 and say that only one is needed.
9504 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9505 * target.h (have_switchable_bss_sections): New hook.
9506 * explow.c (use_anchored_address): Check that the symbol is in a block.
9507 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9508 (bss_noswitch_section): New variables.
9509 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9510 (get_noswitch_section): New function.
9511 (get_block_for_section): Allow SECT to be null.
9512 (unlikely_text_section_p): Use SECTION_STYLE.
9513 (bss_initializer_p): New function.
9514 (get_variable_section): Move earlier in file. Take a new argument,
9515 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9516 Return one of the new *_sections in such cases.
9517 (get_block_for_decl): New function, extracting some logic from
9518 use_blocks_for_decl_p.
9519 (change_symbol_section): Remove in favor of...
9520 (change_symbol_block): ...this new function.
9521 (use_blocks_for_decl_p): Remove checks now performed by
9523 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9524 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9525 (emit_local, emit_bss, emit_common): ...these new functions.
9526 Return true if the alignment was honored.
9527 (emit_tls_common): New function.
9528 (asm_emit_uninitialised): Delete.
9529 (assemble_variable_noswitch): New function, split out from...
9530 (assemble_variable): ...here. Don't make decisions about common
9531 variables here. Globalize all public decls that go into non-common
9532 sections. Check whether SYMBOL_REF_BLOCK is null.
9533 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9534 (output_constant_pool): Likewise.
9535 (init_varasm_once): Initialize the new section variables.
9536 (have_global_bss_p): New function.
9537 (categorize_decl_for_section): Use bss_initializer_p.
9538 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9539 (place_block_symbol): Assert that the symbol must be in a block.
9540 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9541 (TARGET_INITIALIZER): Include it.
9542 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9543 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9544 (SECTION_MACH_DEP): Bump by two.
9545 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9546 (unnamed_section): Mention SECTION_UNNAMED in comment.
9547 (named_section): Likewise SECTION_NAMED.
9548 (noswitch_section_callback): New type.
9549 (noswitch_section): New structure.
9550 (section): Add a noswitch_section alternative.
9551 (SECTION_STYLE): New macro.
9552 (tls_comm_section, comm_section, lcomm_section): Declare.
9553 (bss_noswitch_section, have_global_bss_p): Declare.
9554 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9555 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9557 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9558 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9561 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9563 * tree-vrp.c (execute_vrp): Return value.
9564 * regrename.c (rest_of_handle_regrename): Ditto.
9565 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9566 * tree-complex.c (tree_lower_complex): Ditto.
9567 (tree_lower_complex_O0): Ditto.
9568 * tracer.c (rest_of_handle_tracer): Ditto.
9569 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9570 * postreload.c (rest_of_handle_postreload): Ditto.
9571 * tree-tailcall.c (execute_tail_recursion): Ditto.
9572 (execute_tail_calls): Ditto.
9573 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9574 * tree.h (init_function_for_compilation): Ditto.
9575 * ipa-cp.c (ipcp_driver): Ditto.
9576 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9577 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9578 * final.c (compute_alignments): Ditto.
9579 (rest_of_handle_final): Ditto.
9580 (rest_of_handle_shorten_branches): Ditto.
9581 (rest_of_clean_state): Ditto.
9582 * omp-low.c (execute_expand_omp): Ditto.
9583 (execute_lower_omp): Ditto.
9584 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9585 * ipa-reference.c (static_execute): Ditto.
9586 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9587 * reorg.c (rest_of_handle_delay_slots): Ditto.
9588 (rest_of_handle_machine_reorg): Ditto.
9589 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9590 * flow.c (recompute_reg_usage): Ditto.
9591 (rest_of_handle_remove_death_notes): Ditto.
9592 (rest_of_handle_life): Ditto.
9593 (rest_of_handle_flow2): Ditto.
9594 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9595 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9596 (do_ssa_store_ccp): Ditto.
9597 (execute_fold_all_builtins): Ditto.
9598 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9599 * modulo-sched.c (rest_of_handle_sms): Ditto.
9600 * ipa-pure-const.c (static_execute): Ditto.
9601 * cse.c (rest_of_handle_cse): Ditto.
9602 (rest_of_handle_cse2): Ditto.
9603 * web.c (rest_of_handle_web): Ditto.
9604 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9605 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9606 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9607 * tree-nrv.c (tree_nrv): Ditto.
9608 (execute_return_slot_opt): Ditto.
9609 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9610 (create_structure_vars): Ditto.
9611 * loop-init.c (rtl_loop_init): Ditto.
9612 (rtl_loop_done): Ditto.
9613 (rtl_move_loop_invariants): Ditto.
9614 (rtl_unswitch): Ditto.
9615 (rtl_unroll_and_peel_loops): Ditto.
9616 (rtl_doloop): Ditto.
9617 * gimple-low.c (lower_function_body): Ditto.
9618 (mark_used_blocks): Ditto.
9619 * tree-ssa-sink.c (execute_sink_code): Ditto.
9620 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9621 (cgraph_early_inlining): Ditto.
9622 * global.c (rest_of_handle_global_alloc): Ditto.
9623 * jump.c (cleanup_barriers): Ditto.
9624 (purge_line_number_notes): Ditto.
9625 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9626 (rest_of_handle_if_after_reload): Ditto.
9627 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9628 (tree_ssa_loop_im): Ditto.
9629 (tree_ssa_loop_unswitch): Ditto.
9630 (tree_vectorize): Ditto.
9631 (tree_linear_transform): Ditto.
9632 (tree_ssa_loop_ivcanon): Ditto.
9633 (tree_ssa_empty_loop): Ditto.
9634 (tree_ssa_loop_bounds): Ditto.
9635 (tree_complete_unroll): Ditto.
9636 (tree_ssa_loop_prefetch): Ditto.
9637 (tree_ssa_loop_ivopts): Ditto.
9638 (tree_ssa_loop_done): Ditto.
9639 * predict.c (tree_estimate_probability): Ditto.
9640 * recog.c (split_all_insns_noflow): Ditto.
9641 (rest_of_handle_peephole2): Ditto.
9642 (rest_of_handle_split_all_insns): Ditto.
9643 * tree-eh.c (lower_eh_constructs): Ditto.
9644 * regmove.c (rest_of_handle_regmove): Ditto.
9645 (rest_of_handle_stack_adjustments): Ditto.
9646 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9647 * function.c (instantiate_virtual_regs): Ditto.
9648 (init_function_for_compilation): Ditto.
9649 (rest_of_handle_check_leaf_regs): Ditto.
9650 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9651 (rest_of_handle_gcse): Ditto.
9652 * ipa-type-escape.c (type_escape_execute): Ditto.
9653 * alias.c (rest_of_handle_cfg): Ditto.
9654 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9655 * profile.c (rest_of_handle_branch_prob): Ditto.
9656 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9657 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9658 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9659 * tree-dfa.c (find_referenced_vars): Ditto.
9660 * except.c (set_nothrow_function_flags): Ditto.
9661 (convert_to_eh_region_ranges): Ditto.
9662 (rest_of_handle_eh): Ditto.
9663 * emit-rtl.c (unshare_all_rtl): Ditto.
9664 (remove_unnecessary_notes): Ditto.
9665 * except.h (set_nothrow_function_flags): Ditto.
9666 (convert_to_eh_region_ranges): Ditto.
9667 * cfgexpand.c (tree_expand_cfg): Ditto.
9668 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9669 * tree-ssa-pre.c (do_pre): Ditto.
9670 (execute_fre): Ditto.
9671 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9672 (rest_of_handle_jump2): Ditto.
9673 * tree-sra.c (tree_sra): Ditto.
9674 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9675 (execute_mudflap_function_decls): Ditto.
9676 * tree-ssa-copy.c (do_copy_prop): Ditto.
9677 (do_store_copy_prop): Ditto.
9678 * ipa-prop.h (ipcp_driver): Ditto.
9679 * cfglayout.c (insn_locators_initialize): Ditto.
9680 * tree-ssa-forwprop.c
9681 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9682 * cfglayout.h (insn_locators_initialize): Ditto.
9683 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9684 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9685 (execute_late_warn_uninitialized): Ditto.
9686 * rtl.h (cleanup_barriers): Ditto.
9687 (split_all_insns_noflow): Ditto.
9688 (purge_line_number_notes): Ditto.
9689 (unshare_all_rtl): Ditto.
9690 (remove_unnecessary_notes): Ditto.
9691 (recompute_reg_usage): Ditto.
9692 (variable_tracking_main): Ditto.
9693 * integrate.c (emit_initial_value_sets): Ditto.
9694 * integrate.h (emit_initial_value_sets): Ditto.
9695 * tree-optimize.c (execute_free_datastructures): Ditto
9696 (execute_free_cfg_annotations): Ditto.
9697 (execute_fixup_cfg): Ditto.
9698 (execute_cleanup_cfg_pre_ipa): Ditto.
9699 (execute_cleanup_cfg_post_optimizing): Ditto.
9700 (execute_init_datastructures): Ditto.
9701 * tree-object-size.c (compute_object_sizes): Ditto.
9702 * combine.c (rest_of_handle_combine): Ditto.
9703 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9704 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9705 (rest_of_handle_reorder_blocks): Ditto.
9706 (rest_of_handle_partition_blocks): Ditto.
9707 * var-tracking.c (variable_tracking_main): Ditto.
9708 * tree-profile.c (tree_profiling): Ditto.
9709 * tree-vect-generic.c (expand_vector_operations): Ditto.
9710 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9711 * sched-rgn.c (rest_of_handle_sched): Ditto.
9712 (rest_of_handle_sched2): Ditto.
9713 * basic-block.h (free_bb_insn): Ditto.
9714 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9715 * tree-cfg.c (execute_build_cfg): Ditto.
9716 (remove_useless_stmts): Ditto.
9717 (split_critical_edges): Ditto.
9718 (execute_warn_function_return): Ditto.
9719 (execute_warn_function_noreturn): Ditto.
9720 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9721 * cfgrtl.c (free_bb_for_insn): Ditto.
9722 * passes.c (execute_one_pass): Run additional
9723 todos returned by execute function.
9724 * tree-pass.h (struct tree_opt_pass): Make execute
9727 2006-03-02 Richard Guenther <rguenther@suse.de>
9729 * tree-ssa-alias.c (find_used_portions): Consider taking
9730 the address as making the variable not write-only.
9732 2006-03-02 Nick Clifton <nickc@redhat.com>
9734 * config.gcc (default_use_cxa_atexit): Extend the description of
9735 this configure variable. Set its default value to "yes" for
9736 Linux, NetBSD and ELF targets on the assumption that they will
9737 use C libraries with the __cxa_atexit function.
9739 2006-03-02 Ben Elliston <bje@au.ibm.com>
9741 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9742 parameter as unused to suppress a build warning.
9744 2006-03-02 Ben Elliston <bje@au.ibm.com>
9746 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9749 2006-03-01 Roger Sayle <roger@eyesopen.com>
9752 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9753 declared name, the weak reference name, and the typeof name.
9754 (__gthrw): Avoid expanding the declared name suffix.
9755 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9757 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9759 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9761 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9762 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9763 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9764 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9765 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9766 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9767 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9768 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9769 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9770 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9771 (DW_END_default, DW_END_big, DW_END_little): New.
9772 (DW_END_lo_user, DW_END_hi_user): Define.
9773 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9774 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9775 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9778 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9780 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9782 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9784 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9786 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9788 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9789 to 'symbol_mem_tag'.
9791 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9794 2006-03-01 Roger Sayle <roger@eyesopen.com>
9796 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9798 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9801 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9802 MACHO_DYNAMIC_NO_PIC_P.
9803 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9805 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9808 * config/darwin-protos.h (darwin_asm_output_anchor):
9810 * config/darwin-sections.def (cstring_section):
9811 Add SECTION_MERGE to the flags.
9812 (literal4_section): Likewise.
9813 (literal8_section): Likewise.
9814 (objc_selector_refs_section): Likewise.
9815 (objc_cls_refs_section): Likewise.
9816 * config/darwin.c (darwin_asm_output_anchor): New
9818 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9820 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9822 Fix PR tree-optimization/26443
9823 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9824 to todo and PROP_tmt_usage to properties_destroyed.
9825 * tree-ssa-ccp.c (pass_ccp): Ditto.
9826 (pass_store_ccp): Ditto.
9827 * tree-ssa-dom.c (pass_dominator): Ditto.
9829 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9831 * tree-ssa-operands.c: Cleanup whitespace.
9832 (get_asm_expr_operands): Move before first invocation.
9833 (get_indirect_ref_operands): Likewise.
9834 (get_tmr_operands): Likewise.
9835 (get_call_expr_operands): Likewise.
9836 (append_def): Likewise.
9837 (append_use): Likewise.
9838 (append_v_may_def): Likewise.
9839 (append_v_must_def): Likewise.
9840 (add_call_clobber_ops): Likewise.
9841 (add_call_read_ops): Likewise.
9842 (add_stmt_operand): Likewise.
9843 (add_virtual_operand): Likewise.
9844 (build_ssa_operands): Likewise.
9846 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9851 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9852 with a call expr to ...
9853 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9855 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9857 * tree-vrp.c (extract_range_from_assert): Remove special
9858 handling for types with super-types.
9860 2006-03-01 Ben Elliston <bje@au.ibm.com>
9862 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9863 and powerpc64-*-linux* configurations.
9864 * config/t-dfprules: New file.
9866 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9867 Compile dfp-bit.c from the source directory using -DWIDTH and
9868 $DFP_CFLAGS to control the compilation of that file, rather than
9869 generating width-specific versions in the build directory.
9870 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9871 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9873 2006-02-28 Zack Weinberg <zackw@panix.com>
9875 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9878 2006-02-28 Eric Christopher <echristo@apple.com>
9880 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9881 Set up IN_LIBGCC definition of TARGET_64BIT.
9882 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9884 2006-02-28 Roger Sayle <roger@eyesopen.com>
9887 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9888 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9889 cases via the construction of "expr != 0".
9891 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9893 * alias.c (alias_invariant, alias_invariant_size): Remove.
9894 (record_base_value): Remove.
9895 (memrefs_conflict_p): Don't look at alias_invariant.
9896 (end_alias_analysis): Don't free it.
9897 * alias.h (record_base_value): Remove prototype.
9899 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9900 Adam Nemet <anemet@caviumnetworks.com>
9902 * rtl.h (truncated_to_mode): Declare it.
9903 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9904 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9905 (RTL_HOOKS_INITIALIZER): Include it.
9906 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9907 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9908 reg_truncated_to_mode.
9909 * rtlanal.c (truncated_to_mode): Define it.
9910 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9912 2006-02-28 Jeff Law <law@redhat.com>
9914 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9915 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9916 the range allowed by TYPE_PRECISION.
9918 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9920 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9922 PR tree-optimization/26419
9923 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9926 2006-02-27 Zack Weinberg <zackw@panix.com>
9928 * doc/md.texi: Fix typo in previous change.
9930 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9934 2006-02-27 Zack Weinberg <zackw@panix.com>
9936 * rtl.def (define_constraint, define_register_constraint)
9937 (define_memory_constraint, define_address_constraint): New MD forms.
9938 * gensupport.c (process_rtx): Put define_constraint etc on the
9940 * genpreds.c (process_define_predicate): Adjust comment. Validate
9941 the name, and call validate_exp to validate the expression.
9942 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9943 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9944 all callers changed.
9945 (validate_exp, needs_variable, struct constraint_data)
9946 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9947 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9948 (const_dbl_constraints, constraint_max_namelen)
9949 (have_register_constraints, have_memory_constraints)
9950 (have_address_constraints, have_address_constraints)
9951 (have_extra_constraints, have_const_int_constraints)
9952 (have_const_dbl_constraints, mangle, add_constraint)
9953 (process_define_constraint, process_define_register_constraint)
9954 (write_enum_constraint_num, write_lookup_constraint)
9955 (write_insn_constraint_len, write_regclass_for_constraint)
9956 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9957 (write_insn_extra_memory_constraint)
9958 (write_insn_extra_address_constraint)
9959 (write_satisfies_constraint_fns): New.
9960 (write_tm_preds_h): If we have new-style constraint definitions,
9961 prototype the functions generated from them, and define the
9962 old constraint interface (still used by generic code) in terms of
9964 (write_insn_preds_c): If we have new-style constraint definitions,
9965 generate all relevant functions from those definitions.
9966 (main): Handle define_constraint etc.
9967 * genoutput.c (struct constraint_data, indep_constraints)
9968 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9969 (mdep_constraint_len): New data structures and functions, defined
9970 #ifdef USE_MD_CONSTRAINTS.
9971 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9972 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9973 use new logic to validate operand constraints against constraint
9975 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9977 * defaults.h: If none of the old-style constraint macros are
9978 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9979 old-style macros; and poison REG_CLASS_FROM_LETTER,
9980 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9982 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9983 * doc/md.texi: Document new constraint-definition mechanism and the
9984 C interface it provides. Remove references to old mechanism
9985 elsewhere in the document.
9986 (Machine Constraints): Use pathnames relative to gcc directory,
9987 i.e. config/ARCH/FILE. Change i386 section to refer to
9988 config/i386/predicates.md; update that section to match docstrings.
9989 * doc/tm.texi: Move all documentation of the old constraint-
9990 definition macros to their own section, clearly mark as obsolete.
9992 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9993 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9995 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9996 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9997 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9999 (splits and peepholes): Use satisfies_constraint_*.
10000 * config/i386/i386.c (memory_address_length)
10001 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10003 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10005 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10006 scalar operation to be put back into the loop.
10008 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10011 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10012 (extract_cie_info): Handle S flag in augmentation string.
10013 (execute_cfa_program): If context->signal_frame, execute also
10014 fs->pc == context->ra instructions.
10015 (uw_frame_state_for): If context->signal_frame, don't subtract one
10016 from context->ra to find FDE.
10017 (uw_update_context_1): Set context->signal_frame to
10019 (_Unwind_GetIPInfo): New function.
10020 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10021 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10023 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10024 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10025 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10026 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10027 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10028 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10029 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10030 x86_64_fallback_frame_state): Set fs->signal_frame.
10031 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10032 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10033 (frob_update_context): Likewise. Workaround missing S flag in
10034 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10035 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10036 Remove the psw_addr + 1 hack.
10038 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10040 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10041 with aggregates here.
10042 (find_func_aliases): Remove code for &<aggregate> from here.
10044 2006-02-26 Roger Sayle <roger@eyesopen.com>
10046 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10047 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10048 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10049 as (X & C) ne/eq 0.
10051 2006-02-26 Roger Sayle <roger@eyesopen.com>
10053 PR middle-end/19983
10054 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10056 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10058 * opts.c (decode_options): Do not handle flag_strength_reduce.
10059 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10060 and OPT_fstrength_reduce.
10061 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10062 flag_prefetch_loop_arrays for being nonzero.
10063 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10065 (fprefetch-loop-arrays-rtl): Removed.
10066 (flag_prefetch_loop_arrays): Do not specify the value.
10068 * doc/passes.texi: Update documentation of loop optimizer
10070 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10071 -frerun-loop-opt): Remove.
10073 2006-02-26 Richard Guenther <rguenther@suse.de>
10075 PR tree-optimization/26421
10076 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10077 in function calls that are ADDR_EXPRs as using the whole structure.
10079 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10081 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10082 * tree-pass.h (pass_loop_optimize): Remove.
10083 * passes.c (pass_loop_optimize): Never run it.
10084 * toplev.c (backend_init): Don't call init_loop.
10085 * opts.c (flag_loop_optimize_set): Remove.
10086 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10087 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10088 the old RTL loop optimizer when profiling enabled.
10089 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10090 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10091 pre-headers for the sake of the old RTL loop optimizer.
10092 * Makefile.in: Remove all references to loop.o.
10094 * doc/invoke.texi: Remove all references to -floop-optimize
10095 and -frerun-loop-opt.
10097 2006-02-26 Zack Weinberg <zackw@panix.com>
10099 * doc/md.texi (Machine Constraints): Refer to all files with paths
10100 relative to gcc directory (i.e. config/CPU/file). Add missing
10101 @table @code ... @end table to M32C subsection.
10103 2006-02-26 Roger Sayle <roger@eyesopen.com>
10105 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10107 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10109 2006-02-26 Roger Sayle <roger@eyesopen.com>
10110 James A. Morrison <phython@gcc.gnu.org>
10112 PR middle-end/21137
10113 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10114 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10115 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10116 signedness of the shift operation.
10118 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10120 PR tree-optimization/26359
10121 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10123 2006-02-25 Roger Sayle <roger@eyesopen.com>
10125 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10126 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10127 as X == 0, and some symmetry related transformations.
10128 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10130 2006-02-25 Roger Sayle <roger@eyesopen.com>
10132 PR middle-end/23673
10133 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10134 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10135 symmetry related transformations. Fold (X^C1) == C2 as
10138 2006-02-25 Juergen Weigert <jw@suse.de>
10139 Richard Guenther <rguenther@suse.de>
10141 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10143 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10145 * combine.c (gen_lowpart_or_truncate): Call
10146 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10148 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10150 * doc/invoke.texi: Move -fopenmp description to "Options for
10152 Remove reference to -lgomp.
10154 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10156 * doc/install.texi: Require GNU tar version 1.14.
10158 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10160 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10161 * doc/invoke.texi (C++ Dialect Options): Document
10162 -fno-use-cxa-get-exception-ptr.
10163 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10164 * configure: Regenerate.
10165 * c.opt (fuse-cxa-get-exception-ptr): New.
10166 * c-opts.c (c_common_handle_option): Handle
10167 OPT_fuse_cxa_get_exception_ptr.
10168 * c-common.c (flag_use_cxa_atexit): Update documentation.
10169 (flag_use_cxa_get_exception_ptr): New.
10170 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10171 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10173 (C_COMMON_OVERRIDE_OPTIONS): New.
10175 2006-02-24 Roger Sayle <roger@eyesopen.com>
10177 PR middle-end/24952
10178 * combine.c (try_combine): Explicitly check whether GET_CODE is
10179 a SET or a CLOBBER, instead on checking that it isn't a USE.
10181 2006-02-24 Roger Sayle <roger@eyesopen.com>
10183 * fold-const.c (fold_comparison): New subroutine of fold_binary
10184 containing transformations common to both the equality and
10185 ordering relational operators, factored out of fold_binary.
10186 (fold_binary): Separate out the equality operators (EQ_EXPR
10187 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10188 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10189 transformations common to both.
10190 (fold_div_compare): Fix latent bugs in the previously unreachable
10191 LT_EXPR and GE_EXPR cases.
10193 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10195 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10196 decl libname for clog to __clog on AIX.
10198 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10200 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10203 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10204 output traceback table for thunks. Localise rs6000_stack_info call.
10206 2006-02-23 Roger Sayle <roger@eyesopen.com>
10207 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10209 * gthr-posix.h (__gthrw): Fix typo in comment.
10211 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10213 * doc/cpp.texi (Character sets): Document that we do support
10214 input files to be in any character set.
10216 2006-02-23 Jeff Law <law@redhat.com>
10218 * tree.h (PHI_ARG_NONZERO): Remove.
10219 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10220 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10221 node to the new node.
10223 PR tree-optimization/26425
10224 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10225 min/max, then assume its varying.
10227 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10229 PR rtl-optimization/26316
10230 * rtlanal.c (enum may_trap_p_flags): New.
10231 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10232 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10233 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10234 (may_trap_after_code_motion_p): New function.
10235 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10236 (find_invariant_insn): Use may_trap_after_code_motion_p.
10237 * rtl.h (may_trap_after_code_motion_p): Declare.
10239 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10241 * emit-rtl.c (immed_double_const): Cleanup.
10243 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10245 Fix PR tree-optimization/26376
10246 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10249 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10251 PR middle-end/26412
10252 * gimplify.c (omp_add_variable): Guard variable size decl test with
10253 DECL_SIZE (decl) check.
10255 2006-02-23 Richard Guenther <rguenther@suse.de>
10257 PR middle-end/26439
10258 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10259 like aggregate types.
10261 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10263 * configure.ac: Add --with{,out}-long-double-128 configure option.
10264 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10265 * configure: Rebuilt.
10266 * config.in: Rebuilt.
10267 * doc/install.texi (Options specification): Document
10268 --with-long-double-128.
10270 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10271 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10272 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10273 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10275 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10277 * config/s390/s390.c (override_options): Handle
10278 TARGET_DEFAULT_LONG_DOUBLE_128.
10280 * config/alpha/alpha.c (override_options): Handle
10281 TARGET_DEFAULT_LONG_DOUBLE_128.
10283 * config/sparc/sparc.c (sparc_override_options): Handle
10284 TARGET_DEFAULT_LONG_DOUBLE_128.
10286 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10288 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10289 (real-install-headers-tar, real-install-headers-cpio)
10290 (real-install-headers-cp): New targets.
10292 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10294 * tree.h (variable_section): Delete.
10295 * varasm.c (variable_section): Delete.
10297 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10299 * install.texi: Add notes on install.texi2html.
10300 (Building in parallel): Do not use footnotes.
10302 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10305 * doc/install.texi (Configuration): Document --disable-libgomp.
10307 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10309 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10311 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10313 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10314 (vec_extractv2df_0_sse): New.
10316 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10318 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10319 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10320 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10321 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10322 to the result of the expression.
10323 (def_cfa_1): Adjust.
10324 (frame_pointer_cfa_offset): Rename to...
10325 (frame_pointer_fb_offset): ... this. Adjust all uses.
10326 (convert_cfa_to_loc_list): Rename to...
10327 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10328 Pass it on to build_cfa_loc.
10329 (compute_frame_pointer_to_cfa_displacement): Rename to...
10330 (compute_frame_pointer_to_fb_displacement): ... this. New
10331 offset parameter. Use it in computation.
10332 (gen_subprogram_die): Compute cfa_fb_offset with the new
10333 macro, and use it to compute the fb loc list and the
10336 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10338 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10339 replaced with register_operand.
10340 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10341 non-DREG is expensive.
10342 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10343 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10346 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10348 * doc/install.texi2html: Use set -e.
10350 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10352 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10353 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10354 * doc/invoke.texi (-fshared-data): Delete.
10355 * common.opt (fshared-data): Delete.
10356 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10357 (assemble_static_space): Remove #if 0 code.
10358 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10359 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10360 * config/cris/cris.h: Remove FIXME.
10362 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10364 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10367 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10369 PR middle-end/26379
10370 * combine.c (simplify_shift_const_1): Disable nested shifts
10371 optimization for vector shifts.
10373 2006-02-20 Roger Sayle <roger@eyesopen.com>
10375 PR tree-optimization/26361
10376 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10377 of unsigned integer types.
10379 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10381 * tree-chrec.c (eq_evolutions_p): New.
10382 * tree-chrec.h (eq_evolutions_p): Declared.
10383 * tree-data-ref.c: Fix formatting.
10384 (datadep_stats, dependence_stats): New.
10386 (print_direction_vector): New.
10387 (dump_data_dependence_relation): Use print_direction_vector.
10388 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10389 (compute_subscript_distance): Static.
10390 (initialize_data_dependence_relation): Static. Get the number
10391 of loops surrounding the references from the callers, and initialize
10392 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10393 base_object_differ_p analyzers.
10394 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10395 compute_overlap_steps_for_affine_1_2,
10396 analyze_subscript_affine_affine): Count the classified dependences.
10397 Print a message when a test failed.
10398 (can_use_analyze_subscript_affine_affine): New.
10399 (analyze_siv_subscript): Compute the data dependences on symbolic
10400 scevs that verify can_use_analyze_subscript_affine_affine.
10401 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10402 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10403 Handle symbolic scevs.
10404 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10406 (subscript_dependence_tester): Moved...
10407 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10408 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10409 DDR_SIZE_VECT instead of getting it in parameter.
10410 (subscript_dependence_tester): ... here. Take as a parameter
10411 loop_nest_depth. Call build_classic_dist_vector and
10412 build_classic_dir_vector.
10413 (compute_affine_dependence): Update subscript_dependence_tester
10414 parameters. Update datadep_stats counters. Call
10415 compute_subscript_distance.
10416 (compute_self_dependence): Save the dist and dir vectors. Call
10417 compute_subscript_distance.
10418 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10419 (compute_all_dependences): Reorder parameters as they were before
10420 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10421 compute_subscript_distance. Update the use of
10422 compute_affine_dependence and initialize_data_dependence_relation.
10423 (find_data_references_in_loop): Handle COMPONENT_REF.
10424 (compute_data_dependences_for_loop): Initialize dependence_stats.
10425 Don't call build_classic_dist_vector and build_classic_dir_vector.
10426 Update the parameters of initialize_data_dependence_relation and
10427 compute_all_dependences. Print the statistics from datadep_stats.
10428 (analyze_all_data_dependences): Static. Not used until the pass for
10429 checking the data dependences is contributed.
10430 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10431 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10432 (initialize_data_dependence_relation, compute_affine_dependence,
10433 analyze_all_data_dependences, compute_subscript_distance): Removed.
10434 (print_direction_vector): New.
10435 * lambda.h (gcd): ... here.
10436 (lambda_vector_gcd): Moved here from gcd_vector.
10437 * lambda-code.c (gcd, gcd_vector): Removed.
10438 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10439 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10441 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10443 * ipa-type-escape.c: Tidy some comments and white space.
10444 * tree-ssa-operands.c: Likewise.
10446 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10449 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10450 (dump_decl_name): Do not walk the decl tree chains.
10451 * tree-pass.h (TDF_CHAIN): Remove.
10453 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10455 * Makefile.in (C): Remove
10457 (.PHONY): Remove C and PROTO
10459 2006-02-20 Roger Sayle <roger@eyesopen.com>
10461 PR middle-end/26236
10462 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10463 deprecated CHAR_TYPE tree code.
10465 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10467 * configure.ac (target_list): Add install-info, dvi, html.
10468 * configure: Regenerate.
10470 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10471 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10472 treelang/Make-lang.in: Do not use double-colon rules.
10474 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10476 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10477 (TMT_USED_ALONE): New macro.
10478 * tree-pass.h (PROP_tmt_usage): New property.
10479 (TODO_update_tmt_usage): New todo.
10480 * tree-ssa-alias.c (updating_used_alone): New variable.
10481 (recalculate_used_alone): New function.
10482 (compute_may_aliases): Set updating_used_alone, call
10483 recalculate_used_alone.
10484 * tree-sra.c (pass_sra): Note that this pass destroys
10485 PROP_tmt_usage, and add TODO_update_tmt_usage.
10486 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10487 * tree-flow.h (updating_used_alone): Prototype.
10488 (recalculate_used_alone): Ditto.
10489 * passes.c (execute_todo): Add code to set updating_used_alone,
10490 and call recalculate.
10491 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10492 for clobber if used alone, and add assert to verify used_alone
10495 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10497 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10498 for non tls symbols added.
10499 (legitimize_address): Do nothing for PLUS expressions if one of the
10500 addends is a tls symbol reference.
10502 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10506 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10508 * Makefile.in (BOOTSTRAPPING): New.
10509 (quickstrap): New definition if BOOTSTRAPPING=yes.
10511 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10512 * configure.ac: Substitute all_selected_languages with the languages
10513 that were configured. For all the other variables except
10514 lang_specs_files, include all the languages in the tree.
10515 * configure: Regenerate.
10517 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10518 if there is one. Run the commands to run fixincludes in the same
10521 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10522 * doc/install.texi: Document exact conventions for searching target tools.
10523 Document --with-build-time-tools. Document toplevel bootstrap. Document
10524 something more about building an Ada cross-compiler. Don't list GNU Make
10525 requirements which affect all platforms.
10527 2006-02-19 Roger Sayle <roger@eyesopen.com>
10529 PR middle-end/19543
10530 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10531 only equivalent if the have both the same mode and precision.
10533 2006-02-20 Ben Elliston <bje@au.ibm.com>
10535 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10537 2006-02-19 Roger Sayle <roger@eyesopen.com>
10538 Steven Bosscher <stevenb.gcc@gmail.com>
10540 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10541 constant pool references to identify stack mode constants.
10542 * rtlanal.c (constant_pool_constant_p): New predicate to check
10543 whether operand is a floating point constant in the pool.
10544 * rtl.h (constant_pool_constant_p): Prototype here.
10545 * loop.c (scan_loop): Avoid hoisting constants from the constant
10546 pool on STACK_REGS targets.
10547 (load_mems): Likewise.
10548 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10549 loads into x87 registers expensive in terms of register pressure.
10551 2006-02-19 Roger Sayle <roger@eyesopen.com>
10553 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10554 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10556 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10558 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10559 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10561 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10563 * doc/invoke.texi: Document -fipa-pta.
10564 * common.opt: Add ipa-pta option.
10565 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10566 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10567 (do_ds_constraint): Ditto.
10568 (get_constraint_for): Only add to referenced_vars if
10569 referenced_vars exists.
10570 (insert_into_field_list): Rewrite to do this unsorted.
10571 (insert_into_field_list_sorted): Rename old insert_into_field_list
10573 (create_function_info_for): Use insert_into_field_list_sorted.
10574 (create_variable_info_for): Rewrite so it uses unsorted version,
10575 since the field list is sorted.
10576 (intra_create_variable_infos): Only add to referenced_vars if
10577 referenced_vars exists.
10578 (ipa_pta_execute): Init heapvars, and delete when done.
10579 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10581 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10583 * doc/install.texi: Add missing `@samp'.
10585 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10587 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10590 2006-02-18 Mark Wielaard <mark@klomp.org>
10592 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10593 who added new 4.1 features, bug fixes and integration support.
10595 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10598 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10599 MEM for ABI_V4 pic.
10601 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10603 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10604 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10605 (copy_insn_1): Likewise. Don't copy each field individually.
10607 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10609 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10610 * rtl.c (rtx_size): Rename variable to...
10611 (rtx_code_size): ...this.
10612 (rtx_size): New function.
10613 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10614 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10616 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10617 * rtl.h (rtx_code_size): New variable.
10618 (rtx_size): Change from a variable to a function.
10619 (RTX_SIZE): Rename to...
10620 (RTX_CODE_SIZE): ...this.
10623 PR tree-optimization/17106
10624 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10625 (Anchored Addresses): New section.
10626 * doc/invoke.texi (-fsection-anchors): Document.
10627 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10628 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10629 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10630 * hooks.c (hook_bool_mode_rtx_false): New function.
10631 * hooks.h (hook_bool_mode_rtx_false): Declare.
10632 * gengtype.c (create_optional_field): New function.
10633 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10634 SYMBOL_REF_IN_BLOCK_P is true.
10635 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10636 (min_anchor_offset, max_anchor_offset): Likewise.
10637 (use_anchors_for_symbol_p): New hook.
10638 * toplev.c (compile_file): Call output_object_blocks.
10639 (target_supports_section_anchors_p): New function.
10640 (process_options): Check that -fsection-anchors is only used on
10641 targets that support it and when -funit-at-a-time is in effect.
10642 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10643 if the decl doesn't have one.
10644 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10645 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10646 of force_const_mem through use_anchored_address.
10647 (expand_expr_constant): New function.
10648 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10649 calling expand_expr for INDIRECT_REF.
10650 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10651 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10652 * expr.h (use_anchored_address): Declare.
10653 * loop-unroll.c: Don't declare rtx vectors here.
10654 * explow.c: Include output.h.
10655 (validize_mem): Call use_anchored_address.
10656 (use_anchored_address): New function.
10657 * common.opt (-fsection-anchors): New switch.
10658 * varasm.c (object_block_htab, anchor_labelno): New variables.
10659 (hash_section, object_block_entry_eq, object_block_entry_hash)
10660 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10661 (use_blocks_for_decl_p, change_symbol_section): New functions.
10662 (get_variable_section): New function, split out from assemble_variable.
10663 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10664 use_blocks_for_decl_p say so. Use change_symbol_section if the
10665 symbol has already been created.
10666 (assemble_variable_contents): New function, split out from...
10667 (assemble_variable): ...here. Don't output any code for
10668 block symbols; just pass them to place_block_symbol.
10669 Use get_variable_section and assemble_variable_contents.
10670 (get_constant_alignment, get_constant_section, get_constant_size): New
10671 functions, split from output_constant_def_contents.
10672 (build_constant_desc): Create a block symbol if use_object_blocks_p
10673 says so. Or into SYMBOL_REF_FLAGS.
10674 (assemble_constant_contents): New function, split from...
10675 (output_constant_def_contents): ...here. Don't output any code
10676 for block symbols; just pass them to place_section_symbol.
10677 Use get_constant_section and get_constant_alignment.
10678 (force_const_mem): Create a block symbol if use_object_blocks_p and
10679 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10680 (output_constant_pool_1): Add an explicit alignment argument.
10681 Don't switch sections here.
10682 (output_constant_pool): Adjust call to output_constant_pool_1.
10683 Switch sections here instead. Don't output anything for block symbols;
10684 just pass them to place_block_symbol.
10685 (init_varasm_once): Initialize object_block_htab.
10686 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10687 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10688 (place_block_symbol, get_section_anchor, output_object_block)
10689 (output_object_block_htab, output_object_blocks): New functions.
10690 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10691 (TARGET_ASM_OUT): Include it.
10692 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10693 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10694 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10695 (TARGET_INITIALIZER): Include them.
10696 * rtl.c (rtl_check_failed_block_symbol): New function.
10697 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10698 (block_symbol, object_block): New structures.
10699 (rtx_def): Add a block_symbol field to the union.
10700 (BLOCK_SYMBOL_CHECK): New macro.
10701 (rtl_check_failed_block_symbol): Declare.
10702 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10703 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10704 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10705 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10706 * output.h (output_section_symbols): Declare.
10707 (object_block): Name structure.
10708 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10709 (default_use_anchors_for_symbol_p): Declare.
10710 * Makefile.in (RTL_BASE_H): Add vec.h.
10711 (explow.o): Depend on output.h.
10712 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10713 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10714 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10715 (rs6000_use_blocks_for_constant_p): New function.
10717 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10719 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10721 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10724 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10727 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10729 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10733 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10735 PR middle-end/26334
10736 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10737 instead of DECL_REGISTER.
10739 2006-02-18 Olivier Hainque <hainque@adacore.com>
10742 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10744 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10747 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10748 * opth-gen.awk: Handle Var and InverseMask together.
10749 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10750 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10751 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10752 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10754 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10755 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10756 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10757 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10758 LINUX_DYNAMIC_LINKER): Define.
10759 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10760 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10762 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10763 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10764 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10766 (TARGET_C99_FUNCTIONS): Don't define.
10767 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10768 GLIBC_DYNAMIC_LINKER.
10769 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10770 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10771 GLIBC_DYNAMIC_LINKER64): Define.
10772 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10773 LINUX_DYNAMIC_LINKER64.
10774 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10775 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10776 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10777 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10778 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10779 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10780 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10781 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10782 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10784 and LINUX_DYNAMIC_LINKER32.
10785 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10787 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10788 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10789 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10791 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10792 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10793 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10794 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10795 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10796 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10797 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10798 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10799 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10800 LINUX_DYNAMIC_LINKER): Define.
10801 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10802 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10803 GLIBC_DYNAMIC_LINKER64): Define.
10804 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10805 LINUX_DYNAMIC_LINKER64.
10806 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10807 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10808 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10809 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10810 LINUX_DYNAMIC_LINKER): Define.
10811 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10812 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10813 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10814 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10815 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10816 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10817 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10818 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10819 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10820 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10822 * doc/invoke.texi (-muclibc): Remove caveat about supported
10825 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10827 * doc/cpp.texi (__TIMESTAMP__): Document.
10829 2006-02-17 Roger Sayle <roger@eyesopen.com>
10831 PR middle-end/25600
10832 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10833 C is one less than the width of X (and related transformations).
10834 * simplify-rtx.c (simplify_unary_operation_1): Transform
10835 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10836 depending on STORE_FLAG_VALUE, were C is one less then the
10839 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10841 Fix PR tree-optimization/26341
10842 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10843 about NAME_MEMORY_TAG's.
10845 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10848 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10849 with hardware float support, and software float support. Add fcpy
10850 alternative to hardware patterns. Add alternatives to copy between
10851 general and floating-point registers to the 32-bit pattern.
10852 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10853 secondary reload to load a QI or HI mode constant into a floating
10855 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10856 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10858 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10861 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10863 (load_macho_picbase_di): Likewise.
10865 2006-02-16 Jeff Law <law@redhat.com>
10867 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10868 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10869 (ssa_name_nonzero_p): Likewise.
10870 (get_value_range): Return NULL if VRP is not running.
10871 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10872 VRP routines do not discover a range.
10873 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10874 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10875 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10876 (tree_expr_nonnegative_p): Similarly.
10877 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10878 (restore_nonzero_vars_to_original_value): Remove.
10879 (unsafe_associative_fp_binop): Remove.
10880 (tree_ssa_dominator_optimize): Remove initialization and
10881 finalization of nonzero_vars and nonzero_vars_stack.
10882 (dom_opt_initialize_block): No longer push marker on
10883 nonzero_vars_stack.
10884 (dom_opt_finalize_block): No longer call
10885 restore_nonzero_vars_to_original_value.
10886 (record_equivalences_from_phis): No longer look for
10887 nonzero PHI arguments.
10888 (cprop_into_successor_phis): No longer propagate nonzero
10889 property into PHI arguments. Lose unused argument. Caller
10891 (record_equivalences_from_stmt): No longer record nonzero
10892 values for SSA_NAMEs.
10893 (lookup_avail_expr): No longer use nonzero_vars.
10895 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10896 for sizetype when sizetype is unsigned.
10898 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10900 PR rtl-optimization/25603
10901 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10902 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10903 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10904 with new meaning of SETS.
10906 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10911 * config/linux.opt: New file.
10912 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10913 LINUX_DYNAMIC_LINKER): Define.
10914 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10915 * config.gcc (*-*-linux*): Define extra_options.
10916 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10917 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10918 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10919 GLIBC_DYNAMIC_LINKER.
10920 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10921 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10922 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10924 * doc/invoke.texi (GNU/Linux Options): New section.
10926 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10928 * config/sparc/sparc.md (setjmp): Rewrite.
10929 (setjmp_32): Delete.
10930 (setjmp_64): Likewise.
10932 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10934 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10937 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10939 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10942 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10944 PR rtl-optimization/26296
10945 * Makefile.in (loop-invariant.c): Add except.h dependency.
10946 * loop-invariant.c: Include except.h.
10947 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10949 2005-02-16 Paul Brook <paul@codesourcery.com>
10951 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10954 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10956 PR rtl-optimization/25636
10957 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10958 when deciding whether an insn is an initializing insn.
10960 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10962 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10963 (tree_code_size): Ditto.
10964 * tree.h (struct tree_memory_tag): Remove parent_var.
10965 (struct tree_struct_field_tag): New.
10968 (union tree_node): Add sft member.
10969 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10971 (create_sft): Add size and offset argument, set SFT_OFFSET and
10973 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10974 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10975 * tree-flow-inline.h (get_subvar_at): Update for
10976 SFT_OFFSET/SFT_SIZE.
10977 (var_can_have_subvars): Ditto.
10978 (overlap_subvar): Ditto.
10979 * print-tree.c (print_node): Print out interesting things for
10981 * tree-flow.h (struct subvar): Remove offset and size members.
10982 * tree-ssa-operands.c (get_expr_operands): Update for
10983 get_indirect_ref_operands changes.
10984 (get_indirect_ref_operands): Call add_virtual_operand instead of
10985 add_stmt_operand. Only recurse on base var if requested.
10986 (access_can_touch_variable): New function.
10987 (add_stmt_operand): Split virtual operand handling into ...
10988 (add_virtual_operand): Here. Add offset, size, and for_clobber
10989 arguments. Prune alias sets.
10990 (add_call_clobber_ops): Call add_virtual_operand.
10992 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10994 PR middle-end/26300
10995 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10997 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10998 than TREE_CODE as index into omp_clause_num_ops array.
11000 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11002 PR rtl-optimization/26184
11003 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11005 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11006 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11007 must_precede, must_follow and tobe_scheduled.
11010 * opts.c (common_handle_option): Free new_option pointer.
11011 * df-core.c (df_analyze): Free postorder pointer.
11013 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11015 * Makefile.in: Fix the examples about the use of stamps
11017 2006-02-15 Michael Matz <matz@suse.de>
11019 PR middle-end/22275
11021 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11022 influenced by maximum_field_alignment or DECL_PACKED.
11023 (update_alignment_for_field): Ditto.
11024 (place_field): Ditto.
11025 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11028 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11030 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11031 (debug_flow_info): Pass it.
11032 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11033 * bb-reorder.c (reorder_basic_blocks): Likewise.
11034 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11035 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11036 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11037 * gcse.c (gcse_main, bypass_jumps): Likewise.
11038 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11039 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11040 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11041 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11042 * rtl.h (dump_flow_info): Adjust prototype.
11043 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11044 * var-tracking.c (variable_tracking_main): Likewise.
11045 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11046 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11049 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11051 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11054 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11056 PR tree-optimization/26209
11057 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11058 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11060 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11062 2006-02-14 Roger Sayle <roger@eyesopen.com>
11064 PR middle-end/23670
11065 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11066 (X,Y) and the corresponding symmetry related transformations.
11067 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11068 (X,Y) and its symmetry related transformations.
11070 2006-02-14 Roger Sayle <roger@eyesopen.com>
11072 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11075 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11077 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11079 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11082 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11083 support COMDAT group.
11084 * configure: Regenerate.
11086 2006-02-14 Roger Sayle <roger@eyesopen.com>
11088 PR middle-end/26279
11089 PR middle-end/26280
11090 PR middle-end/26283
11091 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11093 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11095 Fix PR tree-optimization/26260
11097 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11099 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11100 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11101 * tree-ssa-structalias.c (create_variable_info_for): Use
11102 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11104 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11106 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11108 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11109 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11110 of the ending condition.
11111 * tree-ssa-loop-manip.c: Include params.h.
11112 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11113 tree_unroll_loop): New functions.
11114 * tree-pass.h (pass_loop_prefetch): Declare.
11115 * loop.c (rest_of_handle_loop_optimize): Test for
11116 -fprefetch-loop-arrays-rtl.
11117 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11118 * timevar.def (TV_TREE_PREFETCH): New timevar.
11119 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11120 pass_loop_prefetch): New.
11121 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11122 (cleanup_tree_cfg_loop): Call scev_reset.
11123 * common.opt (fprefetch-loop-arrays-rtl): Add.
11124 * tree-ssa-loop-prefetch.c: New file.
11125 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11126 (new_temp_expr_table): Initialize expr_vars.
11127 (free_temp_expr_table): Cleanup expr_vars.
11128 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11129 expressions from being merged into one.
11130 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11131 (struct tree_niter_desc): Add control, bound and cmp fields.
11132 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11134 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11135 (tree-cfgcleanup.o): Add SCEV_H dependency.
11136 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11137 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11139 2006-02-14 Richard Guenther <rguenther@suse.de>
11141 PR tree-optimization/26258
11142 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11143 in PHI argument processing.
11145 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11147 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11148 new expression in the requested machine mode.
11150 2006-02-13 Roger Sayle <roger@eyesopen.com>
11152 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11153 directly, instead let do_compare_rtx_and_jump handle this for us.
11154 * expr.c (expand_expr_real_1): Likewise.
11155 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11156 before do_jump_by_parts_greater.
11157 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11158 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11160 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11162 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11164 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11166 PR rtl-optimization/26235
11167 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11168 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11171 2006-02-13 Jeff Law <law@redhat.com>
11173 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11176 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11178 PR middle-end/26092
11179 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11180 twice if decl is a builtin. When trying again, call get_callee_fndecl
11181 first to verify it is still a builtin.
11183 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11185 * dwarf2out.c (base_type_die): Don't add AT_name here.
11186 (subrange_type_die): Don't add AT_name here.
11187 (modified_type_die): Rearrange code flow. Do add AT_name here.
11189 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11191 PR rtl-optimization/26247
11192 PR rtl-optimization/26248
11193 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11195 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11197 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11198 * config/fixtfdi.c: Likewise.
11199 * config/fixunstfdi.c: Likewise.
11200 * config/floatditf.c: Likewise.
11202 2006-02-13 Roger Sayle <roger@eyesopen.com>
11204 PR middle-end/24427
11205 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11206 into (X,C2) if C1 is a subset of the bits of C2. Transform
11207 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11209 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11211 2006-02-13 Josh Conner <jconner@apple.com>
11214 * varasm.c (function_section): Check for section name before
11215 calling select_section on targets that define
11216 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11217 unlikely_text_section instead of hot_function_section if
11218 first_function_block_is_cold.
11220 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11222 PR middle-end/25335
11223 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11225 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11227 PR rtl-optimization/26222
11228 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11229 after tree->rtl expansion.
11230 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11231 before passing it to emit_move_insn.
11233 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11235 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11237 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11238 Clarify documentation.
11239 * c-common.h (warn_write_strings): Remove.
11240 * c-common.c (warn_write_strings): Likewise.
11241 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11244 2006-02-12 Roger Sayle <roger@eyesopen.com>
11246 PR middle-end/25724
11247 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11248 (do_jump_parts_zero_rtx): New function renamed from
11249 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11250 (do_jump_parts_equality_rtx): New function split out from
11251 do_jump_parts_equality. Old implementation renamed as above.
11252 Call do_jump_parts_zero_rtx if either operand is zero.
11253 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11254 do all of the heavy lifting.
11255 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11256 calling either do_jump_by_parts_greater_rtx or
11257 do_jump_by_parts_equality_rtx.
11258 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11259 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11260 moved to do_compare_rtx_and_jump, call it directly.
11261 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11262 mode argument. Call do_compare_rtx_and_jump.
11263 (emit_case_nodes): Update calls to do_jump_if_equal.
11265 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11267 PR rtl-optimization/26225
11268 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11270 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11272 PR rtl-optimization/26232
11273 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11275 2006-02-11 Jason Merrill <jason@redhat.com>
11278 * tree-inline.c (declare_return_variable): Just don't use the
11279 modify target if it's a gimple complex reg and the return slot
11282 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11284 * doc/contrib.texi: Update my entry.
11286 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11288 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11290 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11292 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11295 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11297 * doc/invoke.texi (-floop-optimize2): Removed.
11298 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11299 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11300 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11301 * common.opt (floop-optimize2): Removed.
11302 (fmove-loop-invariants): Enabled by default.
11304 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11306 * tree-if-conv.c (combine_blocks): Free the result of
11307 get_loop_exit_edges.
11309 2006-02-10 Jeff Law <law@redhat.com>
11311 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11313 PR tree-optimization/26213
11314 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11315 loop trying to follow SSA_NAME_VALUE chains.
11317 2006-02-10 Richard Guenther <rguenther@suse.de>
11319 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11320 deal with structures that end in implicitly variable sized arrays.
11322 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11324 PR rtl-optimization/24762
11325 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11328 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11330 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11331 (struct ivopts_data): Add regs_used field.
11332 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11333 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11334 instead of loop_data->regs_used;
11335 (free_loop_data): Do not free aux fields for loops.
11336 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11337 and tree_ssa_iv_optimize_finalize.
11339 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11341 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11343 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11346 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11347 computing the effective result type.
11349 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11351 PR inline-asm/16194
11352 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11353 (tree_overlaps_hard_reg_set): Declare.
11354 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11355 type and signature to match function type expected by walk_tree.
11356 (tree_overlaps_hard_reg_set): New function.
11357 (decl_conflicts_with_clobbers_p): Rename to:
11358 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11359 Use tree_overlaps_hard_reg_set. Changed caller.
11360 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11361 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11362 * cris.c (cris_md_asm_clobbers): Likewise.
11364 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11366 * reload1.c (emit_input_reload_insns): Delete code that tries to
11367 inherit using find_equiv_reg.
11369 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11371 * c-common.h (flag_const_strings): Don't declare.
11372 * c-common.c (flag_const_strings): Remove.
11373 * c.opt (fconst_strings): Remove.
11374 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11375 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11376 (c_common_init_options): Don't set flag_const_strings.
11377 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11379 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11381 * arm.md (tlobits_cbranch): New pattern.
11382 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11383 testing a single bit.
11385 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11388 * tree-ssa-pre.c (create_component_ref_by_pieces):
11389 Handle RETURN_DECL like VAR_DECL.
11391 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11393 PR middle-end/26134
11394 * fold-const.c (fold_indirect_ref_1): Fold
11395 "*(foo *)&complexfoo" to "__real__ complexfoo"
11396 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11398 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11400 * tree-flow-inline.h (var_can_have_subvars):
11401 Volatile variables should not have subvariables.
11403 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11406 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11407 multiplying unsigned values.
11410 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11412 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11414 2006-02-08 Jason Merrill <jason@redhat.com>
11417 * tree.def: Elaborate on difference from MODIFY_EXPR.
11418 * doc/c-tree.texi (INIT_EXPR): Likewise.
11419 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11420 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11421 (gimplify_target_expr): Likewise.
11422 (gimplify_cond_expr): Remove target handling.
11423 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11424 (gimplify_expr): Clobber it here.
11425 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11426 Do return slot optimization if we have an INIT_EXPR.
11429 * tree-inline.c (declare_return_variable): Also clear
11430 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11433 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11435 PR middle-end/22439
11436 * gimplify.c (gimplify_one_sizepos): Fix typo.
11438 2006-02-08 Jeff Law <law@redhat.com>
11440 PR tree-optimization/21417
11441 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11442 across a backedge if the control statement at the end of the
11443 block is data dependent on other statements in the same block.
11444 (record_temporary_equivalences_from_stmts): Remove over-conservative
11445 test for threading across backedges.
11447 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11448 control statement, handle all three special cases in the same
11449 manner as they all have the same desired solution. No longer
11450 special case edge flag updating when the post dominator is
11453 2006-02-08 Roger Sayle <roger@eyesopen.com>
11455 * tree.def (CHAR_TYPE): Remove.
11456 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11457 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11458 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11459 (gen_string_type_die): Delete unreachable function.
11461 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11462 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11463 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11464 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11465 * builtins.c (type_to_class): Likewise.
11466 * fold-const.c (fold_convert, build_range_check,
11467 merge_ranges): Likewise.
11468 * expr.c (count_type_elements): Likewise.
11469 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11470 * stor-layout.c (layout_type): Likewise.
11471 * ipa-type-escape.c (type_to_consider): Likewise.
11472 * gimplify.c (omp_firstprivatize_type_sizes,
11473 gimplify_type_sizes): Likewise.
11474 * explow.c (promote_mode): Likewise.
11475 * tree-sra.c (is_sra_scalar_type): Likewise.
11476 * varasm.c (output_constant): Likewise.
11477 * tree-inline.c (remap_type_1): Likewise.
11478 * convert.c (convert_to_pointer, convert_to_real,
11479 convert_to_integer, convert_to_complex): Likewise.
11481 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11483 * df-scan.c (df_def_record_1): A set destination may
11484 be a parallel regardless of mode.
11486 2006-02-08 Roger Sayle <roger@eyesopen.com>
11489 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11490 * config/mips/_tilib.c: Remove.
11491 * config/fixtfdi.c: New libgcc source file.
11492 * config/fixunstfdi.c: New source file.
11493 * config/floatditf.c: New source file.
11494 * config/floatunditf.c: New souce file.
11495 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11496 files above instead of config/mips/_tilib.c.
11497 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11499 2006-02-08 Jeff Law <law@redhat.com>
11501 PR tree-optimization/26169
11502 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11505 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11507 * df.h (DF_REG_SIZE): Return the length of the initialized
11510 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11512 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11513 __muldf3): Return a correctly signed zero.
11515 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11517 * passes.c (register_one_dump_file): Accept the current properties
11518 instead of pass number. Adjust call to dump_register. Remove
11520 (register_dump_files): Now a wrapper around...
11521 (register_dump_files_1): ... this one. Do not modify the pass
11523 (next_pass_1): Cosmetic fix.
11524 (execute_todo): Keep second parameter only. Use curr_properties
11525 instead of fetching it from the pass structure. Check and set
11527 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11528 instead of fetching it from the pass structure. Fix calls to
11529 execute_todo. Update curr_properties and initialize .vcg RTL dump
11530 after running the pass. Reset last_verified.
11531 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11533 (FIRST_AUTO_NUMBERED_DUMP): New.
11534 (dump_register): Remove "num" parameter, assign it within the
11536 (get_dump_file_name): Modify template for dumps.
11537 * tree-dump.h (dump_register): Adjust prototype.
11538 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11539 (PROP_trees): Add PROP_gimple_lomp.
11540 (TODO_set_props): New.
11541 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11542 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11543 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11545 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11547 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11548 (sparc64-*-linux*): Likewise.
11549 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11550 * config/sparc/t-linux: New file.
11551 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11552 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11553 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11554 -m32 -mlong-double-128.
11556 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11557 * config/alpha/t-linux: New file.
11558 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11560 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11561 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11562 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11563 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11564 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11565 (CPP_ARCH32_SPEC): Remove.
11567 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11569 PR tree-optimization/26145
11570 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11573 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11576 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11577 >= 240000 when generating code for SOM runtime.
11578 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11579 to $$dyncall when generating code for SOM runtime..
11581 2006-02-07 Dirk Mueller <dmueller@suse.com>
11584 * doc/invoke.texi (-Wsequence-point): Update documentation
11585 that -Wsequence-point is implemented for C++ as well.
11587 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11589 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11590 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11591 (LIB_SPEC): Likewise.
11592 * doc/invoke.texi (SPARC options): Document -pthread.
11594 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11596 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11599 2006-02-07 Roger Sayle <roger@eyesopen.com>
11601 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11602 Correct comment describing BOOLEAN_TYPE.
11604 2006-02-07 Dirk Mueller <dmueller@suse.com>
11606 * c.opt: C++ frontend supports -Wdiv-by-zero.
11607 * c-opts.c (c_common_handle_option): Remove dead case.
11609 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11611 * configure.ac (TLS assembler check): Do not enable TLS by
11612 default on SPARC/Solaris before version 10.
11613 * configure: Regenerate.
11615 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11617 * doc/invoke.texi (xl-compat): Document conversion and support
11620 2006-02-07 Jeff Law <law@redhat.com>
11622 * tree-vrp.c (find_conditional_asserts): Update comments.
11623 (simplify_stmt_for_jump_threading): New.
11624 (identify_jump_threads, finalize_jump_threads): New.
11625 (vrp_finalize): Call identify_jump_threads.
11626 (execute_vrp): Call finalize_jump_threads.
11627 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11628 (vrp_element, vrp_data, vrp_element_p): Remove.
11629 (vrp_hash_elt, vrp_variables_stack): Remove.
11630 (vrp_hash, vrp_eq, record_range): Remove.
11631 (simplify_cond_and_lookup_avail_expr): Remove.
11632 (extract_range_from_cond): Remove.
11633 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11634 (simplify_stmt_for_jump_threading): New.
11635 (dom_thread_across_edge): New wrapper.
11636 (tree_ssa_dominator_optimize): No longer initialize or
11637 finalize any of the VRP datastructures. Remove iteration
11638 step and simplify as a result of removal of iteration step.
11639 (pass_dominator): Perform a cfg cleanup after DOM.
11640 (dom_opt_finalize_block): Use the new common routines
11641 for threading jumps. Simplify stack management slightly.
11642 No longer need to unwind VRP state.
11643 (record_equivalences_from_incoming_edge): No longer record
11645 (eliminate_redundant_computations): No longer call
11646 simplify_cond_and_lookup_avail_expr.
11647 * tree-flow.h (potentially_threadable_block): Prototype.
11648 (thread_across_edge): Likewise.
11649 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11650 (tree-ssa-threadedge.o): Add dependencies.
11651 * tree-ssa-threadedge.c: New file.
11652 * passes.c (init_optimization_passes): Merge PHIs before
11653 calling VRP. Run VRP again late in the SSA optimization pipeline.
11655 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11657 * df-core.c (df_set_blocks): Do not dereference function pointers.
11658 (df_finish1): Likewise.
11659 (df_hybrid_search_forward): Likewise.
11660 (df_hybrid_search_backward): Likewise.
11661 (df_iterative_dataflow): Likewise.
11662 (df_analyze_problem): Likewise.
11663 (df_compact_blocks): Likewise.
11664 (df_dump): Likewise.
11665 * df-scan.c (df_rescan_blocks): Likewise.
11666 (df_record_entry_block_defs): Likewise.
11668 * genconditions.c (write_conditions): Guard the definition of
11669 'insn_conditions' with the check on GCC version.
11670 (write_writer): Guard the traversal 'insn_conditions' with
11671 the check on GCC version.
11673 2006-02-07 Richard Guenther <rguenther@suse.de>
11677 2006-01-30 Richard Guenther <rguenther@suse.de>
11679 * gimplify.c (gimplify_target_expr): Handle easy cases
11680 without creating a temporary.
11682 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11684 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11685 use of float in probability computations. Use edge probabilities
11686 in place of statically computed probabilities.
11687 (min_spec_prob): New static variable.
11688 (schedule_insns): Initialize it.
11689 (GET_SRC_PROB): Removed.
11690 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11692 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11695 * config/ia64/unwind-ia64.c: Revert last change.
11696 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11697 (INCOMING_FRAME_SP_OFFSET): Define.
11699 2006-02-06 Roger Sayle <roger@eyesopen.com>
11701 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11703 2006-02-07 Ben Elliston <bje@au.ibm.com>
11705 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11706 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11707 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11708 (ix86_return_in_memory): Handle TDmode.
11709 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11710 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11712 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11714 * reorg.c (dbr_schedule): Use dump_file instead of file.
11716 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11719 * config/ia64/predicates.md (extr_len_operand): New predicate.
11720 * config/ia64/ia64.md (extv): Tighten constraints.
11722 (*tbit_and_2): Ditto.
11723 (*tbit_and_3): Ditto.
11724 (*tbit_or_2): Ditto.
11725 (*tbit_or_3): Ditto.
11726 (*bit_zero): Ditto.
11729 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11732 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11734 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11736 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11737 loop_optimizer_init and loop_optimizer_finalize
11738 * tree-ssa-sink.c (execute_sink_code): Ditto.
11739 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11740 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11741 tree_ssa_loop_done): Ditto.
11742 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11743 * sched-ebb.c: Include output.h.
11744 (schedule_ebbs): Do not use dump argument.
11745 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11746 * loop.c (loop_dump_stream): Removed.
11747 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11749 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11750 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11751 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11752 loop_iterations, strength_reduce, record_biv, record_giv,
11753 final_giv_value, check_final_value, check_ext_dependent_givs,
11754 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11755 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11756 dump_file instead of loop_dump_stream.
11757 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11758 argument dump_file.
11759 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11761 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11762 * haifa-sched.c: Include output.h
11763 (schedule_insns, sched_init): Do not use dump argument.
11764 * mode-switching.c (optimize_mode_switching): Ditto.
11765 * modulo-sched.c (stats_file): Removed.
11766 (print_node_sched_params): Do not call argument dump_file.
11767 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11768 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11770 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11772 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11773 rtl_loop_init, rtl_loop_done): Ditto.
11774 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11775 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11777 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11778 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11779 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11780 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11781 * emit-rtl.c (renumber_insns): Ditto.
11782 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11783 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11784 * regclass.c (regclass): Ditto.
11785 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11786 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11787 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11788 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11790 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11791 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11793 * gcse.c (gcse_file, debug_stderr): Removed.
11794 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11795 rest_of_handle_gcse): Do not use dump argument.
11796 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11797 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11798 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11799 compute_code_hoist_vbeinout, compute_code_hoist_data,
11800 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11801 compute_store_table, build_store_vectors, insert_insn_start_bb,
11802 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11803 store_motion): Use dump_file instead of gcse_file.
11804 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11805 * profile.c (profile_dump_file): Removed.
11806 (branch_prob): Use dump_file instead of profile_dump_file.
11807 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11809 * tree-ssa-copy.c (dump_copy_of): Ditto.
11810 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11811 dump file to life_analysis.
11812 * bt-load.c (branch_target_load_optimize): Ditto.
11813 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11815 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11816 regclass, dbr_schedule): Declaration changed.
11817 * sched-int.h (sched_init): Declaration changed.
11818 * tree-profile.c (tree_profile_dump_file): Removed.
11819 (tree_profile_hooks): Removed profile_dump_file hook.
11820 * rtl-profile (rtl_profile_dump_file): Removed.
11821 (rtl_profile_hooks): emoved profile_dump_file hook.
11822 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11824 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11825 * tree-cfg.c (build_tree_cfg): Ditto.
11826 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11827 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11828 Declaration changed.
11829 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11830 life_analysis and schedule_insns.
11831 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11833 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11835 * config/mips/mips.c (mips_reorg): Ditto.
11836 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11839 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11841 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11842 (s390_mangle_fundamental_type): New.
11843 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11846 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11847 (alpha_mangle_fundamental_type): New.
11848 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11851 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11853 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11855 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11856 (sparc_mangle_fundamental_type): New.
11858 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11860 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11861 (s390x-*-linux*): Likewise.
11862 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11863 * config/s390/t-linux: New file.
11865 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11867 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11868 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11870 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11872 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11873 (ANTIC_SAFE_LOADS): New macro.
11874 (find_or_generate_expression): Add prototype.
11875 (set_contains_value): Allow null set for sake of not always having
11876 to allocate ANTIC_SAFE_LOADS.
11877 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11878 Allow COMPONENT_REF too.
11879 (valid_in_set): Allow COMPONENT_REF.
11880 Check ANTIC_SAFE_LOADS too.
11881 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11882 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11884 (can_PRE_operation): Add COMPONENT_REF.
11885 (create_component_ref_by_pieces): New function.
11886 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11887 (insert_aux): Move AGGREGATE_TYPE_P check here.
11888 (compute_avail): Set bb local stmt uids.
11889 (pass_pre): Use TODO_update_ssa_only_virtuals.
11891 2006-02-06 Ben Elliston <bje@au.ibm.com>
11893 * configure.ac: Unconditionally disable decimal float by default.
11894 * configure: Regenerate.
11896 2006-02-06 Ben Elliston <bje@au.ibm.com>
11898 * read-rtl.c (read_name): Terminate reading on EOF.
11900 2006-02-06 Ben Elliston <bje@au.ibm.com>
11902 * dfp.c (decimal_real_arithmetic): Change second argument type
11903 from int to enum tree_code. Do not always return true, but now
11904 return result of any call to decimal_do helper functions.
11905 * dfp.h (decimal_real_arithmetic): Update prototype.
11907 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11909 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11911 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11914 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11917 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11919 * tree-vrp.c (cfg_loops): Removed.
11920 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11921 Use current_loops instead of cfg_loops. Pass flags to
11922 loop_optimizer_init.
11923 * cfgloopmanip.c (fix_loop_structure): Update only available
11925 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11926 loop_optimizer_init.
11927 * modulo-sched.c (build_loops_structure): Removed.
11928 (sms_schedule): Use loop_optimizer_init.
11929 * loop-init.c (loop_optimizer_init): Use flags to determine
11930 which properties of loops to prepare.
11931 (rtl_loop_init): Pass flags to loop_optimizer_init.
11932 * tree-ssa-sink.c (execute_sink_code): Ditto.
11933 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11934 * tree-ssa-pre.c (init_pre): Ditto.
11935 * cfgloop.h (LOOPS_NORMAL): New.
11936 (loop_optimizer_init): Declaration changed.
11938 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11940 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11941 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11943 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11945 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11947 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11948 * pa/t-pa64: Delete quadlib.c rule.
11949 * pa/x-ada: Revert last change.
11950 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11952 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11954 PR rtl-optimization/26087
11955 * rtlanal.c (canonicalize_condition): Do not cross basic block
11958 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11961 * config/ia64/ia64.c: Include debug.h.
11962 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11963 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11964 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11965 (process_epilogue, process_set, process_for_unwind_directive):
11966 Output unwind info only if requested. Add CFA info if requested.
11967 Add new arguments as needed. Adjust callers.
11968 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11970 (DWARF2_FRAME_INFO): Define to zero.
11971 * config/ia64/unwind-ia64.c: Remove code that compensated for
11972 the CFA offset error fixed above.
11973 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11974 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11975 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11976 -funwind-tables and -fexceptions to enable frame info.
11977 (dwarf2out_frame_init): Define initial CFA even if
11978 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11979 DWARF2_UNWIND_INFO is nonzero, not just defined.
11980 (dwarf2out_frame_finish): Output non-EH call frame info only
11981 if DWARF2_FRAME_INFO is nonzero.
11982 (convert_cfa_to_loc_list,
11983 compute_frame_pointer_to_cfa_displacement): Define even if
11984 unwind info is not supported.
11985 (gen_subprogram_die): Use the above unconditionally. Remove
11986 legacy alternate code.
11987 * toplev.c (compile_file): Compile in call to
11988 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11989 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11991 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11992 Jakub Jelinek <jakub@redhat.com>
11994 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11995 IBM extended float format long double as "g" on powerpc*-linux.
11997 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12000 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12001 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12003 2006-02-03 Jason Merrill <jason@redhat.com>
12006 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12008 PR middle-end/25977
12009 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12010 on the return slot if it's an NRV.
12012 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12014 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12015 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12016 rewrite_use): Do not handle USE_OUTER.
12017 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12018 add_iv_outer_candidates, may_replace_final_value,
12019 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12020 (find_interesting_uses_op): Functionality of
12021 find_interesting_uses_outer_or_nonlin moved here.
12022 (find_interesting_uses_outside): Use find_interesting_uses_op.
12024 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12027 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12029 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12030 Ulrich Weigand <uweigand@de.ibm.com>
12033 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12034 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12035 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12036 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12038 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12039 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12040 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12041 Define secondary reloads for TFmode moves.
12042 (constant_modes): Add TFmode.
12043 (NR_C_MODES): Set to 8.
12044 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12046 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12047 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12048 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12049 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12050 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12051 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12052 (FPR mode macro): Add TFmode.
12053 (DSF mode macro): New.
12054 (<de>, <dee> mode attributes): Removed.
12055 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12056 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12057 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12058 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12059 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12060 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12061 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12062 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12063 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12064 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12065 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12066 "*negabs<mode>2", "sqrt<mode>2"):
12067 Changed <de> to <xde>. R constraint replaced by <Rf>.
12068 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12070 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12071 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12072 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12074 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12075 "extenddftf2", "extendsftf2"): New expanders.
12076 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12077 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12078 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12079 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12081 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12082 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12083 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12084 __floatditf): Add a GCC_4.1.0 symbol version tag.
12085 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12088 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12091 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12092 Use targetm.binds_local_p instead of TREE_PUBLIC.
12094 2006-02-02 Roger Sayle <roger@eyesopen.com>
12096 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12097 on INTEGER_TYPEs to indicate that it denotes a character type.
12098 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12099 signed_char_type_node, unsigned_char_type_node and char_type_node.
12100 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12101 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12102 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12104 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12105 Daniel Berlin <dberlin@dberlin.org>
12107 * tree-tailcall.c (arg_needs_copy_p): New function.
12108 (eliminate_tail_call): Use arg_needs_copy_p.
12109 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12110 (add_virtual_phis): New function.
12112 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12114 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12115 #ignore instead of #scratch for %g7 .register directive.
12117 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12119 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12122 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12124 * flow.c (calculate_global_regs_live): Assert that there aren't any
12127 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12129 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12130 what its name says.
12131 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12132 bsi_after_labels iterator.
12133 * tree-if-conv.c (find_phi_replacement_condition,
12134 replace_phi_with_cond_modify_expr): Likewise.
12135 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12136 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12138 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12140 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12142 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12145 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12146 array after growing it.
12148 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12150 PR middle-end/24901
12151 * fold-const.c (fold_checksum_tree): Change type of buf.
12153 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12155 * reload.c (push_secondary_reload): Initialize t_icode.
12157 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12159 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12160 -msoft-float -mlong-double-128 only issue a warning, but don't
12161 swich to DFmode long double.
12163 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12165 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12166 has a constant equivalent, iterate over equivalents for arg0,
12167 calling simplify_relational_operation and if there's a result
12168 cheaper than X, apply fold_rtx and return the result.
12170 2006-02-01 Jan Hubicka <jh@suse.cz>
12172 * opts.c (no_unit_at_a_time_default): New global variable.
12173 (decode_options): Use it.
12174 * opts.h (no_unit_at_a_time_default): Declare.
12176 2006-02-01 Paul Brook <paul@codesourcery.com>
12178 * function.c (assign_parm_setup_reg): Use function argument promotion
12180 * expr.c (expand_expr_real_1): Use function argument promotion rules
12183 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12185 * gcc.c (process_command): Change j to 'unsigned int'.
12187 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12189 PR middle-end/26001
12190 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12191 Use the corrected index for the character
12192 out of the string constant.
12194 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12196 * mode-switching.c (optimize_mode_switching): Fix size
12197 allocated for bb_info[n_entities].
12199 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12201 * gcc.c (main): Correct type that is allocated for
12202 explicit_link_files.
12204 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12206 * config/s390/s390.c (init_alignment_context): Set
12207 ALIAS_SET_MEMORY_BARRIER on the MEM.
12208 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12210 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12212 PR middle-end/25933
12213 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12215 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12218 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12220 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12221 * regrename.c: Ditto.
12222 * tree-ssa-loop-im.c: Ditto.
12223 * tree-dump.c: Ditto.
12224 * tree-complex.c: Ditto.
12225 * genrecog.c: Ditto.
12226 * tree-ssa-threadupdate.c: Ditto.
12228 * java/class.c: Ditto.
12229 * java/jcf-parse.c: Ditto.
12230 * java/resource.c: Ditto.
12231 * java/except.c: Ditto.
12232 * java/jvspec.c: Ditto.
12233 * java/jcf-write.c: Ditto.
12234 * java/jcf-path.c: Ditto.
12235 * java/gjavah.c: Ditto.
12236 * java/zextract.c: Ditto.
12237 * java/jcf-io.c: Ditto.
12238 * java/jcf.h: Ditto.
12239 * java/buffer.c: Ditto.
12240 * java/lang.c: Ditto.
12241 * java/parse-scan.y: Ditto.
12242 * java/lex.c: Ditto.
12243 * java/lex.h: Ditto.
12244 * cfgloopmanip.c: Ditto.
12245 * postreload-gcse.c: Ditto.
12246 * tree-ssa-loop-manip.c: Ditto.
12247 * postreload.c: Ditto.
12248 * tree-ssa-loop-ch.c: Ditto.
12251 * cppspec.c: Ditto.
12252 * diagnostic.c: Ditto.
12254 * genoutput.c: Ditto.
12256 * cfghooks.c: Ditto.
12257 * cfgloopanal.c: Ditto.
12258 * objc/objc-act.c: Ditto.
12260 * genextract.c: Ditto.
12261 * genautomata.c: Ditto.
12262 * pretty-print.c: Ditto.
12263 * genemit.c: Ditto.
12264 * cgraphunit.c: Ditto.
12266 * df-scan.c: Ditto.
12267 * haifa-sched.c: Ditto.
12268 * dominance.c: Ditto.
12270 * tree-ssa-loop-ivopts.c: Ditto.
12271 * df-core.c: Ditto.
12272 * mode-switching.c: Ditto.
12273 * modulo-sched.c: Ditto.
12275 * ipa-pure-const.c: Ditto.
12277 * fix-header.c: Ditto.
12279 * tree-stdarg.c: Ditto.
12280 * ipa-utils.c: Ditto.
12281 * loop-init.c: Ditto.
12282 * ipa-inline.c: Ditto.
12283 * cfganal.c: Ditto.
12285 * alloc-pool.c: Ditto.
12286 * dwarf2out.c: Ditto.
12288 * genattrtab.c: Ditto.
12289 * tree-ssa-loop-ivcanon.c: Ditto.
12290 * predict.c: Ditto.
12291 * timevar.c: Ditto.
12293 * fortran/gfortranspec.c: Ditto.
12294 * regmove.c: Ditto.
12295 * local-alloc.c: Ditto.
12296 * langhooks.c: Ditto.
12297 * function.c: Ditto.
12298 * tree-vectorizer.c: Ditto.
12300 * ipa-type-escape.c: Ditto.
12302 * tree-if-conv.c: Ditto.
12303 * profile.c: Ditto.
12305 * tree-data-ref.c: Ditto.
12306 * loop-unroll.c: Ditto.
12307 * treelang/treetree.c: Ditto.
12309 * bt-load.c: Ditto.
12310 * ggc-common.c: Ditto.
12312 * coverage.c: Ditto.
12314 * tree-cfgcleanup.c: Ditto.
12315 * tree-ssa-pre.c: Ditto.
12316 * cfgcleanup.c: Ditto.
12317 * loop-invariant.c: Ditto.
12318 * loop-iv.c: Ditto.
12319 * ipa-prop.c: Ditto.
12320 * print-tree.c: Ditto.
12321 * conflict.c: Ditto.
12322 * ggc-page.c: Ditto.
12323 * sched-deps.c: Ditto.
12324 * regclass.c: Ditto.
12325 * tree-object-size.c: Ditto.
12326 * combine.c: Ditto.
12327 * bb-reorder.c: Ditto.
12328 * resource.c: Ditto.
12329 * var-tracking.c: Ditto.
12330 * cfgloop.c: Ditto.
12331 * df-problems.c: Ditto.
12332 * reg-stack.c: Ditto.
12334 * gccspec.c: Ditto.
12335 * sched-rgn.c: Ditto.
12336 * tree-ssa-structalias.c: Ditto.
12337 * tree-ssa-reassoc.c: Ditto.
12338 * config/darwin-c.c: Ditto.
12339 * config/darwin.c: Ditto.
12340 * config/arm/arm.c: Ditto.
12342 * collect2.c: Ditto.
12343 * reload1.c: Ditto.
12345 2006-01-31 Nicolas Pitre <nico@cam.org>
12347 * arm.md (smaxsi3): Make aware of smax_m1.
12350 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12352 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12354 2006-01-31 Richard Guenther <rguenther@suse.de>
12356 * doc/invoke.texi (-msselibm): Document.
12357 * target.h (expand_library_builtin): New target hook.
12358 * builtins.c (expand_builtin): Use expand_library_builtin.
12359 (default_expand_library_builtin): New function.
12360 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12361 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12362 (link_gcc_math_spec): Declare.
12363 (static_specs): Add link_gcc_math_spec.
12364 * expr.h (default_expand_library_builtin): Declare.
12365 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12366 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12367 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12368 * config/i386/i386.opt (msselibm): New target option.
12369 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12370 (ix86_init_sse_abi_builtins): New function.
12371 (ix86_expand_library_builtin): Likewise.
12372 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12373 (override_options): Handle error conditions wrt -msselibm.
12374 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12375 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12376 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12379 2006-01-31 Richard Guenther <rguenther@suse.de>
12380 Paolo Bonzini <bonzini@gnu.org>
12382 * doc/install.texi (--disable-libgcc-math): Document.
12384 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12386 * expr.h (expand_normal): new inline function.
12387 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12388 * dojump.c: use it.
12389 * dwarf2out.c: use it.
12392 * expmed.c: use it.
12393 * except.c: use it.
12394 * config/sparc/sparc.c: use it.
12395 * config/i386/i386.c: use it.
12396 * config/rs6000/rs6000.c: use it.
12397 * config/arm/arm.c: use it.
12398 * config/mips/mips.c: use it.
12399 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12401 2006-01-30 Roger Sayle <roger@eyesopen.com>
12403 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12404 argv to the appropriate type.
12406 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12408 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12411 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12414 * config/s390/s390.c (struct machine_function): New flag
12415 decomposed_literal_pool_addresses_ok_p.
12416 (s390_reorg): Set it before final stage of literal pool transforms.
12417 (s390_decompose_address): Only accept displacements of the form
12418 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12420 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12422 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12423 the comparison routine return.
12425 2006-01-30 Michael Matz <matz@suse.de>
12427 * global.c (find_reg): Only evict for global regs.
12428 Take n_refs into account and dump more info.
12430 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12433 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12434 (pragma_trap, pragma_nosave_low_regs): Likewise.
12435 (current_function_anonymous_args): Likewise.
12436 (sh_deferred_function_attributes): New variable.
12437 (sh_deferred_function_attributes_tail): Likewise.
12438 (print_operand): For '@', look up trap_exit attribute.
12439 (calc_live_regs): Look up trapa_handler attribute. For trapa
12440 handlers, save/restore fpscr, but don't do any other
12441 interrupt-specific saves.
12442 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12443 Fix check for partially saved registers to check for SHmedia.
12444 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12445 (sh_output_function_epilogue): Don't clear any of the removed
12447 (sh_insert_attributes): Don't check pragma_interrupt.
12448 Insert deferred attributes. Check that interrupt attribute is
12449 present for other attributes that require its presence.
12450 (sh_attribute_table): Add new attributes trapa_handler and
12452 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12453 Don't check for pragma_interrupt. Don't store argument.
12454 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12455 (sh_deferred_function_attributes): Declare.
12456 (sh_deferred_function_attributes_tail): Likewise.
12457 * sh.md (sp_switch_1): Add operand. Change generator caller.
12458 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12459 (*return_i): Don't use when trap_exit attribute is in effect.
12460 (*return_trapa): New insn pattern.
12461 * sh-c.c: New file.
12462 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12463 setting c_target_objs and cxx_target_objs.
12464 * t-sh: Add rule for sh-c.o.
12466 2006-01-30 Richard Guenther <rguenther@suse.de>
12469 * gimplify.c (gimplify_target_expr): Handle easy cases
12470 without creating a temporary.
12472 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12474 * vec.h (safe_grow): Remove duplicated line.
12476 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12479 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12480 (expand_omp): ... here.
12481 (expand_omp_parallel): Only remove barriers for combined
12482 parallel+workshare constructs.
12484 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12488 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12489 * tree.c (build_qualified_type): Chain the new type to the original
12490 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12491 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12492 (build_pointer_type_for_mode): Only return unqualified types.
12493 (build_reference_type_for_mode): Likewise.
12495 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12497 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12498 * Makefile.in (CXX_COMPAT_WARN): Define.
12499 * configure: Regenerate.
12501 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12504 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12507 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12509 * toplev.c: Fix thinko.
12511 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12512 Marcin Dalecki <martin@dalecki.de>
12514 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12515 (push_srcloc): Use XNEW.
12516 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12518 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12520 * df-core.c (df_set_blocks): Deleted all variable.
12522 2006-01-28 Ian Lance Taylor <ian@airs.com>
12524 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12525 cgraph_output_pending_asms.
12527 2006-01-28 Zack Weinberg <zackw@panix.com>
12529 * c.opt: Add -W(no-)overlength-strings.
12530 * doc/invoke.texi: Document it.
12531 * c-opts.c (c_common_handle_option): -pedantic implies
12532 -Woverlength-strings, if not explicitly disabled already.
12533 (c_common_post_options): -Woverlength-strings defaults to off, and
12534 is always off for C++.
12535 * c-common.c (fix_string_type): Issue warning about strings longer
12536 than is portable only if warn_overlength_strings. Rearrange code
12537 a little for clarity.
12538 * configure.in: Check for -Wno-overlength-strings as well before
12539 enabling -pedantic in stage 1.
12540 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12541 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12543 * genconditions.c (write_header, write_one_condition)
12544 (write_conditions, write_writer): Consolidate very long strings
12545 that were broken up to fit in C89 portable limit. Don't use
12546 printf when fputs will do.
12548 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12550 * combine.c (simplify_comparison <AND>): Check
12551 TRULY_NOOP_TRUNCATION before start using a subreg.
12553 * config/mips/mips.md (*branch_zero<mode>,
12554 *branch_zero<mode>_inverted, *branch_equality<mode>,
12555 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12556 Remove mode check from comparisons.
12558 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12560 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12562 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12564 * expmed.c (const_mult_add_overflow_p): Remove.
12565 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12567 * recog.c (validate_replace_rtx_subexp): Remove.
12568 * recog.h: Remove the prototype for
12569 validate_replace_rtx_subexp.
12571 * integrate.h: Remove the prototype for
12572 copy_decl_for_inlining.
12573 * rtl.h: Remove the prototype for mark_constant_function.
12574 * tree-vectorizer.h: Remove the prototype for
12575 vect_strip_conversion.
12577 * modulo-sched.c (create_partial_schedule,
12578 free_partial_schedule, reset_partial_schedule): Make them
12581 * hooks.c (hook_bool_rtx_int_false): Remove.
12582 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12584 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12586 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12587 and -mlong-double-128 are incompatible.
12588 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12589 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12590 (TARGET_LIBGCC2_CFLAGS): Define.
12591 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12592 (TARGET_LIBGCC2_CFLAGS): Same.
12593 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12595 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12598 * c-typeck.c (build_binary_op): Perform implicit casts of
12599 operands before shortening them.
12601 * cfgloopmanip.c (split_loop_bb): Remove.
12602 * cfgloop.h: Remove the prototype for split_loop_bb.
12604 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12605 * cfgloop.h: Remove the prototype for
12606 flow_loop_outside_edge_p.
12608 * emit-rtl.c (init_virtual_regs): Make it static.
12609 * function.h: Remove the prototype for init_virtual_regs.
12611 * recog.c (peephole2_optimize): Make it static.
12612 * recog.h: Remove the prototype for peephole2_optimize.
12614 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12616 * df-scan.c (df_record_entry_block_defs): Check if
12617 INCOMING_RETURN_ADDR_RTX is defined.
12619 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12620 Kenneth Zadeck <zadeck@naturalbridge.com>
12622 PR rtl-optimization/24762
12623 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12624 * targhooks.c (hook_void_bitmap): New hook prototype.
12625 * targhoohs.h (hook_void_bitmap): Ditto.
12626 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12627 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12628 * target.h (live_on_entry): New function pointer.
12629 * df-scan.c (df_all_hard_regs): Removed.
12630 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12631 (df_scan_free_internal): Added df->entry_block_defs.
12632 (df_scan_alloc): Ditto.
12633 (df_scan_dump): Ditto.
12634 (df_uses_record): Plumbed flag field properly thru calls.
12635 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12636 This part fixes PR24762.
12637 (df_bb_refs_record): Added code to make the frame and arg
12638 pointers live in EH blocks.
12639 (df_refs_record): Added call to df_record_entry_block_defs.
12640 (df_record_entry_block_defs): New function.
12641 * df-core.c: Added comments to describe new artifical defs.
12642 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12643 (entry_block_defs): New field in struct df.
12644 (df_all_hard_regs): Deleted.
12645 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12646 * df-problems.c (df_ru_bb_local_compute_process_def):
12647 Added code to handle artifical defs in the entry to a function.
12648 (df_ru_bb_local_compute): Ditto.
12649 (df_rd_bb_local_compute_process_def): Ditto.
12650 (df_rd_bb_local_compute): Ditto.
12651 (df_lr_bb_local_compute): Ditto.
12652 (df_ur_bb_local_compute): Ditto.
12653 (df_urec_bb_local_compute): Ditto.
12654 (df_chain_create_bb): Ditto.
12655 (df_ur_local_finalize): Removed entry.
12656 (df_urec_init): Ditto.
12657 (df_urec_local_finalize): Ditto.
12658 (df_ri_bb_compute): Added detection of last use of pseudos.
12659 * Makefile.in (df-scan.o): Updated dependencies.
12660 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12661 * config/mips/mips.c (mips_set_live_on_entry): Added.
12662 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12664 * dce.c (marked_insn_p): Added code to handle artifical defs.
12666 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12668 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12670 (_mm_cvtsi128_si64): Likewise.
12671 (_mm_cvtsd_si64): Likewise.
12672 (_mm_cvttsd_si64): Likewise.
12673 (_mm_cvtsi64_sd): Likewise.
12674 (_mm_cvtsi64_si128): Likewise.
12675 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12676 (_mm_cvtsi64_m64): Likewise.
12677 (_m_to_int64): Likewise.
12678 (_mm_cvtm64_si64): Likewise.
12679 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12680 (_mm_cvttss_si64): Likewise.
12681 (_mm_cvtsi64_ss): Likewise.
12682 (_mm_cvtss_f32): Likewise.
12684 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12686 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12687 for pragma redefine_extname.
12689 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12692 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12693 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12694 -mno-minimal-toc to previous content.
12695 (bispecs): Remove goal.
12696 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12697 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12698 compatibility aliases on powerpc-*-*gnu*.
12699 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12700 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12701 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12702 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12703 (ldblspecs): New goal.
12704 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12705 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12707 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12708 L_sf_to_tf or L_df_to_tf is defined.
12710 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12711 Alan Modra <amodra@bigpond.net.au>
12714 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12715 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12716 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12717 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12718 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12719 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12720 (rs6000_override_options): Initialize rs6000_ieeequad.
12721 Initialize TFmode format to ibm_extended_format if not
12723 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12725 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12726 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12727 (function_arg_advance): IBM long double passed in two FPRs, not
12729 (function_arg): IBM long double passed in FPRs.
12730 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12731 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12732 Only multireg GPR aligned.
12733 (rs6000_init_libfuncs): Enable IBM long double functions if not
12735 (rs6000_generate_compare): Use IBM long double compare if not
12737 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12738 (TARGET_IEEEQUAD): Define.
12739 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12740 not TARGET_IEEEQUAD.
12741 * config/rs6000/rs6000.md: Enable TFmode patterns if
12743 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12744 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12745 and -mlong-double-128 are incompatible.
12746 * doc/invoke.texi (-mabi): Collect options together. Add
12747 ibmlongdouble and ieeelongdouble.
12749 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12751 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12753 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12754 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12755 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12756 * rtl.h (rtunion_def): Remove rt_ptr.
12758 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12759 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12760 * config/i386/winnt.c (i386_pe_mark_dllexport)
12761 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12763 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12765 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12767 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12771 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12772 pthread_key_delete. From John David Anglin. gthrw-ify
12773 pthread_getunique_np only if it it's not a macro. Delete
12775 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12776 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12777 __gthread_objc_condition_signal, __gthread_key_delete): Add
12778 "__attribute__ ((__unused__))" to unused arguments.
12779 (__gthread_recursive_mutex_init_function): Add missing return.
12780 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12781 gthr-posix95.h: Use macro-based approach for name redirection
12782 on targets missing weakref.
12784 2006-01-26 Zack Weinberg <zackw@panix.com>
12786 * genconditions.c (write_header): In generated code, #ifdef out
12787 all includes and fake declarations, except includes of bconfig.h
12788 and system.h, unless GCC_VERSION >= 3001. Do not include
12789 gensupport.h in any case.
12790 (write_conditions): Generate a definition of struct c_test. Add
12791 a comment to the generated #endif.
12792 (write_one_condition): Escape backslashes in string too.
12793 (write_writer): Generated code must escape backslashes and quote
12794 marks (but not newlines) in the strings it writes.
12795 * Makefile.in (build/gencondmd.o): Update dependencies.
12797 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12800 * Makefile.in (insn-automata.o): Add header file dependencies.
12801 * genautomata.c: Add includes.
12803 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12806 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12808 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12810 * configure.ac: Expect target tools paths to be passed from the toplevel
12811 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12813 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12815 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12818 * c.opt (Wpointer-sign): Init to -1.
12819 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12820 OPT_pedantic, to 0 otherwise.
12821 * doc/invoke.texi: Update.
12823 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12825 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12826 constants provided by 80387 instructions in the destination mode.
12828 2006-01-26 Richard Guenther <rguenther@suse.de>
12829 Andrew Pinski <pinskia@physics.uc.edu>
12832 partial PR tree-opt/17064
12833 * tree-ssa-structalias.c (intra_create_variable_infos):
12834 Create heap variables for incoming parameters if
12835 flag_argument_noalias > 1.
12836 (find_what_p_points_to): Look through default defs of
12839 2006-01-26 Jeff Law <law@redhat.com>
12842 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12843 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12844 within the VR_RANGE, use the VR_RANGE as the result, not the
12846 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12847 bounds for the type.
12849 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12851 * tree-ssa-alias.c (maybe_create_global_var): Change
12852 subvar walking to an assertion that we don't have subvar'd variables.
12854 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12857 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12858 Use a new variable, inner. PARM_DECLs are always non-weak.
12860 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12862 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12863 --disable-checking.
12865 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12867 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12869 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12871 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12872 (smax_insn, smin_insn, smax_0, smin_0): New.
12874 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12877 * config/cris/cris.c (cris_order_for_addsi3): New function.
12878 * config/cris/cris-protos.h: Prototype it.
12879 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12880 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12881 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12882 (split for "op.S1 [rx=rx+i],ry (swapped)")
12883 (split for "op(s|u).S1 [rx=rx+i],ry")
12884 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12885 Apply cris_order_for_addsi3 when generating addsi3 insns.
12887 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12889 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12890 (TREE_BLOCK): Add call to EXPR_CHECK.
12892 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12895 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12896 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12897 (dump_omp_clauses): ... here.
12898 (dump_generic_node): Handle OMP_CLAUSE.
12899 * tree.c (omp_clause_num_ops): New.
12900 (omp_clause_code_name): New.
12901 (tree_code_size): Handle OMP_CLAUSE.
12902 (tree_size): Likewise.
12903 (make_node): Document handling of OMP_CLAUSE.
12904 (tree_node_structure): Handle OMP_CLAUSE.
12905 (omp_clause_check_failed): New.
12906 (omp_clause_range_check_failed): New.
12907 (omp_clause_operand_check_failed): New.
12908 (build_omp_clause): New.
12909 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12910 * tree.h (enum omp_clause_code): Declare.
12911 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12912 (OMP_CLAUSE_RANGE_CHECK): Define.
12913 (OMP_CLAUSE_ELT_CHECK): Define.
12914 (omp_clause_check_failed): Declare.
12915 (omp_clause_operand_check_failed): Declare.
12916 (omp_clause_range_check_failed): Declare.
12917 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12918 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12919 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12920 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12921 (OMP_CLAUSE_IF_EXPR): Likewise.
12922 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12923 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12924 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12925 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12926 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12927 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12928 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12929 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12930 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12931 (OMP_CLAUSE_CODE): Define.
12932 (OMP_CLAUSE_SET_CODE): Define.
12933 (OMP_CLAUSE_CODE): Define.
12934 (OMP_CLAUSE_OPERAND): Define.
12935 (struct tree_omp_clause): Declare.
12936 (union tree_node): Add field 'omp_clause'.
12937 * treestruct.def (TS_OMP_CLAUSE): Define.
12938 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12939 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12940 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12941 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12942 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12943 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12944 (OMP_CLAUSE): Define.
12945 * print-tree.c (print_node): Handle OMP_CLAUSE.
12946 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12947 * c-typeck.c: Likewise.
12948 * gimplify.c: Likewise.
12949 * c-omp.c: Likewise.
12950 * tree-nested.c: Likewise.
12951 * tree-inline.c: Likewise.
12952 * c-parser.c: Likewise.
12953 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12956 2006-01-25 Roger Sayle <roger@eyesopen.com>
12958 PR rtl-optimization/25703
12959 * combine.c (try_combine): Handle zero_extract and strict_low_part
12960 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12962 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12964 * global.c: Fix comment typos.
12966 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12969 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12970 Use output_addr_const instead of assemble_name.
12972 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12974 * Makefile.in (sched-vis.o): Update dependencies.
12975 * haifa-sched.c (sched_finish): Clear current_sched_info.
12976 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12977 (dump_flow_info): Call it.
12978 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12980 * basic-block.h (dump_bb_info): Declare.
12981 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12982 option, and apply options only for dump files whose TDF_RTL,
12983 TDF_TREE, or TDF_IPA bits match.
12984 * rtl.h: Declare new functions exported from sched-vis.c.
12985 * sched-vis.c: Enable also if scheduling is not used.
12986 (print_value): Print the mode of registers if not inside scheduling.
12987 (print_insn): Make it work outside the scheduler. Beautify the output
12989 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12991 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12993 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12994 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12995 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12996 depending on the value of CONSTANT_POOL_ADDRESS_P.
12997 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12999 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13000 rather than SYMBOL_REF_DECL.
13001 (rtx_constant_pool): Remove const_rtx_sym_htab.
13002 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13003 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13004 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13005 Remove handling of const_rtx_sym_htab.
13006 (find_pool_constant): Delete.
13007 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13008 rather than find_pool_constant.
13009 (get_pool_constant_for_function): Delete.
13010 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13011 find_pool_constant.
13012 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13013 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13014 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13015 (SYMBOL_REF_CONSTANT): New macro.
13016 (get_pool_constant_for_function): Delete.
13017 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13018 rather than SYMBOL_REF_DECL.
13019 (i386_pe_mark_dllimport): Likewise.
13020 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13021 rather than SYMBOL_REF_DECL.
13022 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13023 (machopic_indirect_call_target): Likewise.
13025 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13027 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13029 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13031 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13033 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13035 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13037 2006-01-24 David Daney <ddaney@avtrex.com>
13040 * configure.ac (enable_tls): New enable option.
13041 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13042 * configure: Regenerate.
13043 * doc/install.texi (--enable-tls): Document new option.
13044 (--disable-tls): Ditto.
13046 2006-01-24 Richard Henderson <rth@redehat.com>
13048 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13049 * alias.c (true_dependence): Respect it.
13050 (canon_true_dependence, write_dependence_p): Likewise.
13051 * builtins.c (get_builtin_sync_mem): Set it.
13053 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13055 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13058 2006-01-24 DJ Delorie <dj@redhat.com>
13060 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13061 for storing constants in single-bit bitfields.
13063 2006-01-25 Ben Elliston <bje@au.ibm.com>
13065 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13067 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13070 * tree-ssa-pre.c (phi_translate): Return NULL
13071 for AGGREGATE_TYPE's.
13073 2006-01-24 Zack Weinberg <zackw@panix.com>
13075 * genautomata.c (process_state_for_insn_equiv_partition):
13076 Use xcalloc for insn_arcs_array.
13077 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13078 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13080 2006-01-24 Richard Henderson <rth@redhat.com>
13082 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13083 update all callers.
13085 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13087 PR rtl-optimization/25890
13088 PR rtl-optimization/25905
13089 * combine.c (expand_compound_operation, expand_field_assignment):
13090 Fail if the bitfield's final position is out of bounds.
13092 2006-01-24 Ian Lance Taylor <ian@airs.com>
13094 PR middle-end/25930
13095 * cgraphunit.c (cgraph_output_in_order): Don't clear
13096 cgraph_asm_nodes until after asm strings have been output.
13098 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13100 * fix-header.c (read_scan_file): Add new parameter imultilib when
13101 calling register_include_chains.
13103 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13105 * omp-low.c: Update documentation.
13107 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13108 Daniel Berlin <dberlin@dberlin.org>
13112 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13113 return from the function.
13115 2006-01-22 Zack Weinberg <zackw@panix.com>
13117 * rtl.def (match_code): Add second argument.
13118 * genpreds.c (write_extract_subexp): New function.
13119 (write_match_code): Add path argument. Use write_extract_subexp.
13120 (write_predicate_expr): Pass path to write_match_code.
13121 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13122 not perform a mode test.
13123 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13124 a subexpression does not constrain the top-level code set.
13125 * read-rtl.c (read_rtx_variadic): New function.
13126 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13127 * doc/md.texi: Document new notation.
13128 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13129 (cmpsi_operand): ... here, using new notation.
13131 2006-01-22 Zack Weinberg <zackw@panix.com>
13133 * varray.c: Remove GENERATOR_FILE #ifdefs.
13135 2006-01-22 Zack Weinberg <zackw@panix.com>
13137 * genautomata.c (output_reserved_units_table): Emit nothing if
13138 description->query_units_num is zero. Remove extra blank line.
13139 (output_cpu_unit_reservation_p): Short circuit
13140 if description->query_units_num is zero.
13142 2006-01-22 Zack Weinberg <zackw@panix.com>
13144 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13145 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13146 nor any of the random handful of variables that used to be necessary
13147 when this program was linked with rtlanal.o. Prune set of forward
13148 function declarations.
13149 (struct attr_desc): Remove static_p field.
13150 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13151 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13152 (attr_string): Do not read the character one past the length of
13154 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13155 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13156 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13157 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13158 (make_automaton_attrs): New.
13159 (main): Do not call into genautomata. Call local gen_bypass
13160 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13161 Remove special case for insn_alts.
13162 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13163 varray.h (leftover from previous change). Prune set of forward
13164 function declarations. Remove state_alts fields from all
13165 structures. Remove state_alts_table from struct automaton.
13166 Make everything except main static. Do not maintain num_dfa_decls.
13167 Do not maintain state_alts fields of various structures.
13168 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13169 (add_arc): Remove state_alts argument. All callers updated.
13170 (output_reserved_units_table): Emit #ifdef here...
13171 (output_tables): ...not here. Don't generate state_alts tables.
13172 (expand_automata): Don't generate attributes.
13173 (write_automata): Don't generate state_alts functions.
13174 (main): New function.
13175 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13176 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13177 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13178 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13179 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13180 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13181 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13182 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13184 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13185 * genattrtab.h: Delete file.
13186 * Makefile.in (OBJS-common): Add insn-automata.o.
13187 (insn-automata.o): New rule.
13188 (simple_generated_c): Add insn-automata.c.
13189 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13190 (genprogmd): Add automata.
13191 (build/genattrtab): Needs no extra objects nor libraries.
13192 (build/genautomata): Needs build/vec.o and -lm.
13194 2006-01-22 Zack Weinberg <zackw@panix.com>
13196 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13197 (output_dfa_max_issue_rate, locked_states_num): Delete.
13198 (struct automaton): Add locked_states field.
13199 (output_dead_lock_vect): Save number of locked states in
13200 automaton->locked_states. If it is zero, don't print anything.
13201 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13202 (output_internal_dead_lock_func): Only test the dead_lock_vect
13203 for automata that have locked states.
13204 (output_statistics): Always print the number of locked states for
13205 each automaton. Calculate total number of locked states here.
13206 (write_automata): Don't call output_dfa_max_issue_rate.
13207 * genattrtab.c: Define length_unit_log as a const variable.
13208 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13209 max_insn_queue_index const.
13210 * final.c (length_unit_log): Declare const.
13211 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13213 2006-01-22 Zack Weinberg <zackw@panix.com>
13215 * genautomata.c: Include vec.h, not varray.h.
13216 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13217 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13218 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13219 VEC_* macros operating on appropriately typed vectors, or to
13220 malloced arrays when the size is known in advance. Const-ify
13221 many char* variables and function arguments. No functional changes.
13222 * Makefile.in (build/varray.o): Delete rule.
13223 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13224 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13226 2006-01-22 Zack Weinberg <zackw@panix.com>
13228 * gensupport.c: Define get_insn_name and record_insn_name here.
13229 (read_md_rtx): Call record_insn_name as appropriate.
13230 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13231 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13232 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13234 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13235 (BUILD_VARRAY): Delete.
13236 (genprognormal): Rename genprogmd. Fold in all programs from
13237 genprognoprint; also attrtab.
13238 (build/genattrtab): Just mention genautomata.o and varray.o.
13239 Reorganize a bit, add comments to make the categories clearer.
13241 2006-01-22 Zack Weinberg <zackw@panix.com>
13243 * genconditions.c (condition_table, add_condition): Delete.
13244 (write_conditions): Don't emit n_insn_conditions nor
13245 insn_elision_unavailable. Issue the gcc version #ifdef here,
13246 inside the table, with no #else clause ...
13247 (write_header): ...not here.
13248 (write_writer): New function.
13249 (main): Don't initialize condition_table. Use add_c_test.
13251 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13252 files on the command line.
13253 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13254 Return -1 if there is no entry in the table, don't abort.
13255 (add_c_test, traverse_c_tests): New functions.
13256 * gensupport.h (insn_elision_unavailable, insn_conditions)
13257 (n_insn_conditions): Delete declarations.
13258 (add_c_test, traverse_c_tests): Declare.
13259 * read-rtl.c: Include gensupport.h.
13260 (read_conditions): New function.
13261 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13262 (read_rtx_1): If we get EOF when we were looking for an initial
13263 open paren, return 0. Call read_conditions when appropriate.
13264 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13265 dummy-conditions.o. Eliminate references to insn-conditions.o,
13266 or change them to build/gencondmd.o, as appropriate. Remove
13267 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13268 from $(simple_generated_c). For all files remaining in those
13269 two lists, add insn-conditions.md to the generator command line.
13270 Give insn-constants.h/s-constants their own rules. Add rules
13271 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13272 (build/read-rtl.o): Depend on gensupport.h.
13273 (genprognormal): Include preds.
13274 (genprogearly): Rename genprognoprint; only difference is now that
13275 they don't link with $(BUILD_PRINT).
13276 * dummy-conditions.c: Delete.
13278 2006-01-22 Zack Weinberg <zackw@panix.com>
13280 * genextract.c: Don't include insn-config.h. Do include vec.h.
13281 Declare vectors of int, char, and locstr.
13282 (locstr): New typedef.
13283 (struct extraction): Make all array fields into bare pointers.
13284 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13285 (insn_code_number): Delete.
13286 (accum_extract): New struct.
13287 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13288 (gen_insn): Take insn_code_number as an argument. Use an
13289 accum_extract structure instead of loading data directly into
13290 a struct extraction, and having to know how big it might get.
13291 (walk_rtx): Operate entirely on an accum_extract structure.
13292 (print_path): Avoid unnecessary use of printf.
13293 (print_header): New function, split out of main. Distinguish
13294 more carefully between an unrecognizable insn and an insn that
13295 has the code number of a define_expand.
13296 (main): Pass insn_code_number to gen_insn. Call print_header
13297 only after parsing. Avoid unnecessary use of printf.
13298 * Makefile.in (build/vec.o): New rule.
13299 (build/genextract): Depend on build/vec.o.
13300 (build/genextract.o): Don't depend on insn-config.h.
13302 2006-01-22 Zack Weinberg <zackw@panix.com>
13304 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13305 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13306 practical. Eliminate per-generator-program link rules.
13308 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13310 PR middle-end/24437
13311 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13312 with a call expr to ...
13313 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13315 2006-01-23 Richard Guenther <rguenther@suse.de>
13317 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13318 before make_edge with conditional EDGE_TRUE_VALUE.
13320 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13321 Jan Hubicka <jh@suse.cz>
13322 Richard Guenther <rguenther@suse.de>
13324 PR rtl-optimization/25654
13325 * cfgexpand.c (aggregate_contains_union_type): New function.
13326 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13327 for structure variables that contain a union type.
13329 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13331 * gengtype.c (new_structure): Return the structure.
13332 (create_option): Add an extra "next" argument.
13333 (create_field): New function.
13334 (adjust_field_rtx_def): Use create_option and create_field.
13335 Remove a now-unnecessary call to find_structure.
13336 (adjust_field_tree_def): Likewise.
13337 (note_yacc_type): Remove an unnecessary call to find_structure.
13338 * gengtype.h (new_structure): Return the structure.
13339 (create_option): Add an extra argument.
13340 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13341 (option): Adjust calls to create_option.
13343 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13345 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13347 2006-01-22 Paul Brook <paul@codesourcery.com>
13348 Peter Barada <peter@the-baradas.com>
13350 * config/m68k/m68k.md: Add Coldfire FPU support.
13351 Define FP mode macro and associated attributes.
13352 Use it for float mode patterns.
13353 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13354 (LIBCALL_VALUE): Use m68k_libcall_value.
13355 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13356 (m68k_function_value): Ditto.
13357 (emit_move_sequence): Ditto.
13358 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13359 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13360 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13361 (MULTILIB_EXCEPTIONS): Ditto.
13362 * config/m68k/m68k.opt: Add mcfv4e.
13363 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13364 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13365 (m68k_output_function_prologue): Save ColdFire FPU registers.
13366 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13367 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13368 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13369 ColdFire FPU registers.
13370 (m68k_libcall_value, m68k_function_value): New functions.
13371 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13372 (LIBCALL_VALUE): Use m68k_libcall_value.
13373 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13374 (MASK_COLDFIRE): Add MASK_CFV4E.
13375 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13376 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13377 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13378 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13379 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13380 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13381 * doc/invoke.tex: Document -mcfv4e on m68k.
13383 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13385 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13388 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13391 * c-opts.c (c_common_handle_option): Don't include
13392 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13393 * doc/invoke.texi (C++ Dialect Options): Document that
13394 -Wnon-virtual-dtor is no longer included in -Wall.
13396 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13398 * gcov.c (print_version), gcov-dump.c (print_version),
13399 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13402 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13404 * df-scan.c (problem_SCAN): Added NULL reset function.
13405 (df_scan_reset_blocks): Added code to call reset block function
13406 (df_bb_refs_delete) Fixed comment.
13407 (df_insn_refs_delete): Made tolerant of deleting non existent info
13408 for dataflow problems that need to be reset.
13409 * df-core.c (df_set_blocks): Ditto.
13410 * df.h (struct df_problem): Added reset_fun.
13411 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13412 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13413 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13414 functions to clear out all references to def-use or use-def chains.
13416 2006-01-21 Ben Elliston <bje@au.ibm.com>
13418 * varasm.c (assemble_real): Initialise data array.
13420 2006-01-20 Paul Brook <paul@codesourcery.com>
13422 Merge from csl-arm-branch.
13423 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13424 * config/arm/arm.md (movdi): Force operands[1] to a register
13425 if we have a non-register source.
13426 (*arm_movdi, *movdf_soft_insn): Require that one of the
13427 operands be a register.
13428 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13429 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13431 2006-01-20 DJ Delorie <dj@redhat.com>
13433 * varasm.c (initializer_constant_valid_p): Allow pointers
13434 initialized from integer constants of lesser precision.
13435 (output_constant): Allow non-int-sized pointer modes to be
13436 initialized from integer constants.
13438 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13441 * cppdefault.h (struct default_include): Add multilib flag.
13442 * cppdefault.c (cpp_include_defaults): Set it.
13443 * c.opt (-imultilib): New option.
13444 * c-opts.c (imultilib): New.
13445 (c_common_handle_option): Handle -imultilib.
13446 (c_common_post_options): Likewise.
13447 * c-incpath.c (add_standard_paths, register_include_chains):
13449 * c-incpath.h (register_include_chains): Add extra parameter.
13450 * gcc.c (do_spec_1): Generate -imultilib option.
13451 (The Specs Language): Update %I description.
13452 (process_command): Update copyright notice.
13453 * doc/cppopts.texi (-imultilib): Document.
13454 * doc/invoke.texi (-imultilib): Include in option summary.
13455 (%I): Update specs documentation.
13457 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13459 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13461 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13463 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13466 2006-01-20 Richard Guenther <rguenther@suse.de>
13467 Steven Bosscher <stevenb.gcc@gmail.com>
13469 PR rtl-optimization/24626
13470 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13471 EDGE_TRUE_VALUE if in RTL mode.
13474 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13475 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13477 2006-01-20 Dirk Mueller <dmueller@suse.com>
13480 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13481 instead of a special NOP marker.
13482 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13483 NOP marker handling.
13484 * c-common.h (empty_body_warning): Add forward declaration.
13485 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13486 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13488 2006-01-20 Paul Brook <paul@codesourcery.com>
13490 * Makefile.in (lang_checks): Keep going if mkdir fails.
13492 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13494 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13495 be able to clean out basic block when not necessary.
13496 (df_scan_free): Fixed to properly delete information if df is
13497 unused before calling df_finish.
13498 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13499 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13501 (df_bb_refs_delete): New function.
13502 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13503 * df-core.c (df_set_blocks): Added code to properly clean out
13504 unused blocks if they are not part of the blocks to consider.
13505 Added additional null check.
13506 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13507 be able to clean out basic block when not necessary
13508 * df.h (df_free_bb_function): Ditto.
13509 (df_bb_refs_delete): New function.
13510 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13511 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13512 basic block parameter to be able to clean out basic block when not
13514 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13515 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13516 Fixed to properly delete information if df is unused before
13519 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13521 PR rtl-optimization/25799
13522 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13523 Corrected confluence operator to remove bits from op2 before oring
13524 with op1 rather than removing bits from op1.
13525 (df_ru_transfer_function): Corrected test on wrong bitmap which
13526 caused infinite loop. Both of these problems were introduced in
13527 the dataflow rewrite.
13529 2006-01-19 DJ Delorie <dj@redhat.com>
13531 * reload1.c (find_reload_regs): Note the details of reload
13532 failures in the dump file.
13533 (spill_failure): Likewise.
13535 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13537 * loop-iv.c: Include df.h and hashtab.h.
13538 (enum iv_grd_result): New enum.
13539 (DF_REF_IV, DF_REF_IV_SET): New macros.
13540 (struct biv_entry): New.
13541 (df, bivs): New global variables.
13542 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13543 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13545 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13546 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13547 analyzed_for_bivness_p, record_biv): New functions.
13548 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13549 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13550 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13552 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13554 (iv_number_of_iterations): Use new interface to iv analysis.
13555 * loop-unroll.c: Do not include varray.h.
13556 (analyze_iv_to_split_insn): Use new interface to iv
13558 * loop-unswitch.c (may_unswitch_on): Ditto.
13559 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13561 (df_bb_modify): Realloc tables to the new index.
13562 (df_find_use): New function.
13563 * df.h (df_find_use): Declare.
13564 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13566 * cfgloop.h (struct rtx_iv): Remove analysed field.
13567 (iv_get_reaching_def): Removed.
13568 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13569 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13570 (loop-iv.o): Add df.h and hashtab.h dependency.
13571 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13573 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13576 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13578 (__floatundisf, __floatundidf): Likewise.
13579 * libgcc2.h (IS_IBM_EXTENDED): Define.
13581 2006-01-19 DJ Delorie <dj@redhat.com>
13583 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13585 2006-01-19 Paul Brook <paul@codesourcery.com>
13587 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13588 as nothrow when unwinding tables are disabled.
13590 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13593 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13594 of bit-field" when in system header.
13596 2006-01-19 DJ Delorie <dj@redhat.com>
13598 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13599 the 16 bit shift limit of the m16c.
13601 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13604 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13605 * config/i386/i386.c (output_set_got): Output the label if we have one
13606 for the TARGET_DEEP_BRANCH_PREDICTION case.
13608 2006-01-19 Jan Hubicka <jh@suse.cz>
13609 H.J. Lu <hongjiu.lu@intel.com>
13610 Evandro Menezes <evandro.menezes@amd.com>
13612 * invoke.texi (generic): Document
13614 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13615 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13616 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13617 (x86_use_incdec, x86_pad_returns): New variables
13618 (TARGET_CPU_DEFAULT_generic): New constant
13619 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13620 (enum processor_type): Add generic32 and generic64.
13621 * i386.md (cpu attribute): Add generic32/generic64
13622 (movhi splitter): Behave sanely when both partial_reg_dependency and
13623 partial_reg_stall are set.
13624 (K8 splitters): Enable for generic as well.
13625 * predicates.md (incdec_operand): Use TARGET_INCDEC
13626 (aligned_operand): Avoid memory mismatch stalls.
13627 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13628 * ppro.md: Enable for generic32
13629 * i386.c (generic64_cost, generic32_cost): New.
13630 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13631 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13632 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13633 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13634 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13635 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13636 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13637 x86_accumulate_outgoing_args, x86_prologue_using_move,
13638 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13639 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13640 Enable for generic.
13641 (x86_use_incdec, x86_pad_returns): New.
13642 (override_options): Add generic32 and generic64, translate "generic"
13643 to generic32/generic64 and "i686" to "generic32", refuse
13644 "generic32"/"generic64" as arch target.
13645 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13646 (ix86_reorg): Honor PAD_RETURNS.
13648 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13650 * tree-pretty-print.c (dump_generic_node): Handle
13651 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13652 * cgraph.c (cgraph_expand_queue): Rename from
13653 cgraph_analyze_queue. Update all users.
13654 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13655 cgraph_expand_queue.
13656 (cgraph_expand_all_functions): Likewise.
13657 (cgraph_finalize_pending_functions): Remove. Update callers.
13659 * tree.h (OMP_DIRECTIVE_P): Define.
13660 (OMP_PARALLEL_FN): Define.
13661 (OMP_PARALLEL_DATA_ARG): Define.
13662 (OMP_SECTIONS_SECTIONS): Define.
13663 * tree-pass.h (pass_expand_omp): Declare.
13664 * omp-low.c (struct omp_region): Declare.
13665 (struct omp_context): Remove fields 'parallel_type',
13666 'parallel_start_ix' and 'parallel_start_additional_args'.
13668 (struct omp_for_data): Rename from struct expand_omp_for_data.
13669 (omp_regions): New static variable.
13670 (root_omp_region): New static variable.
13671 (find_omp_clause): Make static.
13672 (is_in_combined_parallel_ctx): Remove.
13673 (is_combined_parallel): New.
13674 (extract_omp_for_data): Move earlier in the file.
13675 (workshare_safe_to_combine_p): New.
13676 (get_ws_args_for): New.
13677 (determine_parallel_type): Move earlier in the file.
13678 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13680 (omp_copy_decl): Likewise.
13681 (create_omp_child_function): Likewise.
13682 (lookup_omp_region): New.
13683 (dump_omp_region): New.
13684 (debug_omp_region): New.
13685 (debug_all_omp_regions): New.
13686 (new_omp_region): New.
13687 (scan_omp_parallel): If parallel_nesting_level > 1, the
13688 directive is nested within another parallel directive.
13689 Set OMP_PARALLEL_FN.
13690 (scan_omp_for): Do not try to handle combined parallel+for
13692 Remove FIXME comment.
13693 (scan_omp_nested): Remove.
13694 (scan_omp_1): Do not call scan_omp_nested when
13695 parallel_nesting_level is > 1.
13696 Do not change the DECL_CONTEXT of local variables found.
13697 (lookup_decl_in_outer_ctx): New.
13698 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13699 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13700 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13701 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13702 If CTX is nested, lookup VAR in the outer context when
13703 building copy assignment.
13704 (lower_send_clauses): Rename from expand_send_clauses.
13705 If CTX is nested, lookup VAR in the outer context when
13706 building copy assignments.
13707 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13708 If CTX is nested, lookup VAR in the outer context when
13709 building copy assignments.
13710 (expand_parallel_call): Rename from build_parallel_call.
13711 Handle combined parallel+workshare cases.
13712 Re-implement to emit code into the CFG.
13714 (expand_omp_parallel): Re-implement to emit code into the CFG.
13715 Call move_sese_region_to_fn to outline the sub-graph
13716 containing the parallel region.
13717 (expand_omp_for_1): Remove.
13718 (expand_omp_for_generic): Re-implement to emit code into the
13720 (expand_omp_for_static_nochunk): Likewise.
13721 (expand_omp_for_static_chunk): Likewise.
13722 (expand_omp_for): Likewise.
13723 (expand_omp_sections): Likewise.
13724 (remove_exit_barriers): New.
13725 (expand_omp_synch): New.
13727 (build_omp_regions_1): New.
13728 (build_omp_regions): New.
13729 (execute_expand_omp): New.
13730 (gate_expand_omp): New.
13731 (pass_expand_omp): Define.
13732 (lower_omp_sections): Rename from expand_omp_sections.
13733 Set OMP_SECTIONS_SECTIONS.
13734 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13735 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13736 (lower_omp_single): Rename from expand_omp_simple.
13737 (lower_omp_master): Rename from expand_omp_master.
13738 (lower_omp_ordered): Rename from expand_omp_ordered.
13739 (lower_omp_critical): Rename from expand_omp_critical.
13740 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13741 (lower_omp_for): Re-implement.
13742 (lower_omp_parallel): Re-implement.
13743 (lower_regimplify): Rename from expand_regimplify.
13744 (lower_omp_1): Rename from expand_omp_1.
13745 If there are syntax errors in the program, replace every
13746 OpenMP directive with NOP.
13747 Call lower_omp_* instead of expand_omp_*.
13748 (lower_omp): Rename from expand_omp.
13750 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13751 * tree-gimple.h (enum omp_parallel_type): Remove.
13752 (gimple_boolify): Declare extern.
13753 (find_omp_clause, determine_parallel_type): Remove.
13755 * gimple-low.c (lower_omp_directive): New.
13756 (lower_stmt): Call it.
13757 (record_vars_into): Move from ...
13758 (record_vars): ... here.
13759 Call record_vars_into with current_function_decl.
13761 * gimplify.c (struct gimplify_ctx): Remove fields
13762 combined_pre_p and combined_ctxp. Update users.
13763 (get_formal_tmp_var): Add documentation.
13764 (gimple_boolify): Make extern.
13765 (gimplify_expr_in_ctx): Remove. Update callers.
13766 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13767 will always be a BIND_EXPR.
13768 (gimplify_expr): Handle OMP_RETURN_EXPR.
13769 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13770 (OMP_PARALLEL): Add 3 operands.
13771 (OMP_SECTIONS): Add 1 operand.
13772 (OMP_RETURN_EXPR): Define.
13774 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13775 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13776 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13777 creating a circular free list.
13778 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13780 * tree-flow.h (move_sese_region_to_fn): Declare.
13781 (record_vars_into): Declare.
13782 * tree-cfg.c (make_omp_sections_edges): New.
13783 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13784 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13785 OMP_SECTIONS and OMP_SECTION.
13786 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13787 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13788 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13789 (gather_blocks_in_sese_region): New.
13790 (struct move_stmt_d): Declare.
13791 (move_stmt_r): New.
13792 (move_block_to_fn): New.
13793 (move_sese_region_to_fn): New.
13795 * passes.c (init_optimization_passes): Schedule
13796 pass_expand_omp after pass_init_datastructures.
13798 * tree-ssa-operands.c (get_expr_operands): Handle
13799 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13800 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13802 2006-01-19 Jeff Law <law@redhat.com>
13804 * tree-vrp.c (extract_range_from_assert): Refine the result range
13805 if the variable referenced by the ASSERT_EXPR has a range and
13806 either the tentative result range or the previous range is a
13809 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13811 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13813 2006-01-19 Jan Hubicka <jh@suse.cz>
13815 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13817 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13819 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13820 (expand_compound_operation, expand_field_assignment): Fail if the
13821 bit lengths of an extract operation are out of range.
13822 (make_extraction): Compute wanted_inner_mode based on the position
13823 and length of the extraction. Make it extraction_mode for non-constant
13824 positions, and do not modify offset in that case. When generating a
13825 new MEM, use a mode that can hold the extraction while keeping correct
13826 alignment. Remove code that supported MEMs wrapped by USEs.
13827 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13829 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13831 * config/s390/s390.md ("Y", "y"): New mode attribute.
13832 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13833 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13834 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13835 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13836 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13837 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13838 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13839 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13840 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13841 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13842 "addsi3", "subsi3"): Insn patterns removed.
13843 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13844 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13845 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13846 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13847 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13848 "*sub<mode>3_cconly2"): New insn patterns.
13849 ("addsi3", "subsi3"): New expanders.
13851 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13853 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13854 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13855 existing STMT_VINFO_VECTYPE if available.
13856 (vect_mark_relevant): Add special handling for stmts that are
13857 marked as STMT_VINFO_IN_PATTERN_P.
13858 (vect_analyze_loop): Call vect_pattern_recog.
13859 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13860 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13862 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13863 (vect_recog_func_ptr): New function-pointer type.
13864 * tree-vect-patterns.c: New file.
13865 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13866 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13867 (vect_pattern_recog_1): New functions.
13868 (vect_pattern_recog_funcs): New array of function pointers.
13870 * tree-vectorizer.h (ternary_op): New enum value.
13871 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13872 declaration. Revised documentation. Removed redundant dump prints.
13873 Removed redundant argument. Added support for reduction patterns.
13874 (vectorizable_reduction): Added support for reduction patterns.
13875 (vect_transform_stmt): Added support for patterns.
13877 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13878 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13879 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13880 (expand_widen_pattern_expr): New function.
13881 (init_optabs): Initialize new optabs udot_prod_optab,
13883 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13884 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13885 (expand_widen_pattern_expr): New function declaration.
13886 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13888 * tree-inline.c (estimate_num_insns_1): Added cases for new
13889 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13890 * tree-pretty-print.c (dump_generic_node): Likewise.
13891 (op_prio): Likewise.
13892 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13893 * tree-ssa-operands.c (get_expr_operands): Added case for
13895 * tree-vect-patterns.c (widened_name_p): New function.
13896 (vect_recog_dot_prod_pattern): Added function implementation.
13897 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13898 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13899 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13900 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13902 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13903 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13904 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13905 (init_optabs): Initialize new optabs widen_ssum_optab,
13907 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13908 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13909 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13910 use instead of type of def.
13911 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13912 function implementation.
13913 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13914 widen_ssumv8hi): New.
13916 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13919 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13922 * c-decl.c (add_flexible_array_elts_to_size): New function.
13923 (finish_decl): Use it.
13925 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13927 * diagnostic.h: Include options.h.
13928 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13929 dependancies for diagnostic.h.
13930 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13932 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13934 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13935 (ssa_ro_call_cache_valid): Ditto.
13936 * tree-ssa-alias.c (sort_tags_by_id): New function.
13937 (init_transitive_clobber_worklist): Ditto.
13938 (add_to_worklist): Ditto.
13939 (mark_aliases_call_clobbered): Ditto.
13940 (compute_tag_properties): Ditto.
13941 (set_initial_properties): Ditto.
13942 (compute_call_clobbered): Ditto.
13943 (compute_may_aliases): Call compute_call_clobbered and grouping.
13944 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13945 (compute_flow_insensitive_aliasing): Grouping now happens in our
13947 (setup_pointers_and_addressables): Remove clobbering related code.
13948 (add_may_alias): Ditto.
13949 (replace_may_alias): Ditto.
13950 (get_nmt_for): Ditto.
13951 (create_global_var):
13952 (is_escape_site): Return an escape_type enumeration.
13953 * tree-flow-inline.h (is_call_clobbered): Global var does not
13954 imply call clobbered.
13955 (mark_call_clobbered): Take a reason for marking this. Remove
13956 marking of globalness, and cache invalidation.
13957 (clear_call_clobbered): Remove cache invalidation code.
13958 * tree-dfa.c (dump_variable): If details is on, dump the reason
13960 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13962 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13963 (struct var_ann_d): Ditto.
13964 (enum escape_type): New.
13965 (mark_call_clobbered): Adjust prototype.
13966 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13967 are never call clobbered.
13968 Record reasons for escaping.
13969 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13970 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13971 (ssa_ro_call_cache_valid): Ditto.
13972 (clobbered_v_may_defs): Ditto.
13973 (clobbered_vuses): Ditto.
13974 (ro_call_vuses): Ditto.
13975 (clobber_stats): New.
13976 (init_ssa_operands): Zero out clobber stats.
13977 (fini_ssa_operands): Print out clobber stats.
13978 (get_call_expr_operands): Pass callee fndecl to
13979 add_call_read_ops).
13980 (add_call_clobber_ops): Remove use of cache.
13981 Add use of PURE_CONST information.
13982 (add_call_read_ops): Remove use of cache.
13983 Add use of static not_read information.
13985 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13987 Introduce TLS descriptors for i386 and x86_64.
13988 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13989 (TARGET_ANY_GNU_TLS): New macro.
13990 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13991 (struct machine_function): Add tls_descriptor_call_expanded_p.
13992 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13993 (ix86_current_function_calls_tls_descriptor): Likewise.
13994 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13995 (override_options): Introduce gnu2 tls dialect.
13996 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13998 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14000 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14001 (ix86_init_machine_status): Initialize new field.
14002 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14003 (ix86_tls_module_base): New.
14004 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14005 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14006 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14007 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14008 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14009 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14010 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14011 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14012 * config/i386/predicates.md (tls_modbase_operand): New.
14013 (tp_or_register_operand): New.
14015 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14017 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14018 (look_for_address_of): Ditto.
14019 (ipa_init): Walk the function decls.
14020 (static_execute): Don't set readonly on FUNCTION_DECL's.
14022 2006-01-18 Roger Sayle <roger@eyesopen.com>
14024 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14025 for shifts where the source and destination registers are different.
14027 2006-01-18 Paul Brook <paul@codesourcery.com>
14029 Merge from csl-arm-branch.
14030 2005-03-14 Julian Brown <julian@codesourcery.com>
14031 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14032 (aeabi_llsl): Likewise.
14033 (ashrdi3): Likewise.
14034 (aeabi_lasr): Likewise.
14035 (lshrdi3): Likewise.
14036 (aeabi_llsr): Likewise.
14037 2005-03-10 Julian Brown <julian@codesourcery.com>
14038 * config.gcc: Disable shared libgcc for SymbianOS.
14039 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14041 2006-01-18 DJ Delorie <dj@redhat.com>
14043 * c-pragma.c (handle_pragma_diagnostic): New.
14044 (init_pragma): Register it.
14045 * doc/extend.texi: Document it.
14047 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14048 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14049 (diagnostic_context): Add classify_diagnostic[].
14050 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14051 as errors if they're overridden to DK_WARNING.
14052 (diagnostic_initialize): Initialize classify_diagnostic[].
14053 (diagnostic_set_kind_override): New.
14054 (diagnostic_report_diagnostic): Check for kind changes.
14055 * opts.c (common_handle_option): Take lang_mask. Update callers.
14056 Handle OPT_Werror_.
14057 * common.opt (Werror=): New.
14058 * doc/invoke.texi: Document -Werror=*
14060 2006-01-18 Jeff Law <law@redhat.com>
14062 * tree-vrp.c (test_for_singularity): Correct test for new
14063 min limit. Use operand_equal_p rather than pointer equality
14064 for testing if new min/max values are equal.
14066 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14067 using range information until after propagation and folding.
14069 2006-01-18 Richard Henderson <rth@redhat.com>
14070 Aldy Hernandez <aldyh@redhat.com>
14071 Jakub Jelinek <jakub@redhat.com>
14072 Diego Novillo <dnovillo@redhat.com>
14074 * omp-low.c: New file.
14075 * c-omp.c: New file.
14077 2006-01-18 Richard Henderson <rth@redhat.com>
14078 Jakub Jelinek <jakub@redhat.com>
14079 Diego Novillo <dnovillo@redhat.com>
14081 * doc/invoke.texi: Document -fopenmp.
14082 * tree-dump.h (debug_function): Declare.
14083 * hooks.c (hook_bool_tree_bool_false): New function.
14084 (hook_tree_tree_null): Remove.
14085 (hook_tree_tree_tree_null): New.
14086 * hooks.h: Update to match.
14087 * tree-pretty-print.c (debug_tree_chain): New.
14088 (print_generic_expr): Handle TDF_CHAIN.
14089 (dump_generic_node): Handle BLOCK.
14090 Do not abort with incomplete SWITCH_EXPRs.
14091 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14092 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14093 print space after directive name.
14094 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14095 Handle OMP_MASTER and OMP_ORDERED.
14096 Handle printing of OMP_BODY just in one place, goto
14097 dump_omp_body in the rest of OMP_* nodes that have
14099 Don't handle clause nodes here. Update omp statements to
14100 use dump_omp_clauses.
14101 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14102 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14103 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14104 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14105 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14106 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14107 Adjust output for GOMP_PARALLEL.
14108 (dump_omp_clauses): New.
14109 (print_declaration): Dump DECL_VALUE_EXPR.
14110 (op_symbol_1): Split out of op_symbol.
14111 (dumping_stmts): Remove. Update all users.
14112 * cgraph.c (cgraph_analyze_queue): New.
14113 (cgraph_add_new_function): New.
14114 * cgraph.h (cgraph_analyze_queue): Declare.
14115 (cgraph_add_new_function): Declare.
14116 (cgraph_lower_function): Remove.
14117 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14118 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14119 and TYPE_P nodes in its default clause.
14120 (empty_body_p): New.
14121 (tree_range_check_failed): New.
14122 (build5_stat): New.
14123 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14124 OMP_CLAUSE_REDUCTION_MERGE,
14125 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14126 OMP_CLAUSE_PRIVATE_DEBUG,
14127 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14128 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14129 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14130 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14131 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14132 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14133 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14134 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14135 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14136 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14137 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14138 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14139 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14140 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14141 (TREE_RANGE_CHECK): New.
14142 (empty_body_p): Declare.
14143 (enum omp_clause_default_kind): New.
14144 (build_string_literal): Declare.
14145 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14146 (build5_stat, build5): Declare.
14147 * tree-pass.h (TDF_CHAIN): Define.
14148 * tree-pass.h (PROP_gimple_lomp): Define.
14149 (pass_lower_omp): Declare.
14150 * diagnostic.h (debug_tree_chain): Declare.
14151 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14153 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14154 * builtins.c (build_string_literal): Make extern.
14155 * gcc.c (include_spec_function): New.
14156 (static_spec_functions): Add it.
14157 (main): Move load of libgomp.spec ...
14158 (LINK_COMMAND_SPEC): ... here.
14159 (link_gomp_spec): New.
14160 (static_specs): Include it.
14161 (LINK_COMMAND_SPEC): Add link_gomp.
14162 (GOMP_SELF_SPECS): New.
14163 (driver_self_specs): Include it.
14164 (switch_matches): Don't mark inline.
14165 (main): Load libgomp.spec.
14166 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14167 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14168 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14169 * tree-gimple.h (enum omp_parallel): Declare.
14170 (determine_parallel_type): Declare.
14171 (omp_firstprivatize_variable): Declare.
14172 (omp_reduction_init): Declare.
14173 (diagnose_omp_structured_block_errors): Declare.
14174 (struct walk_stmt_info): Add want_return_expr.
14175 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14176 (find_omp_clause): Declare.
14177 (insert_field_into_struct): Declare.
14178 (struct walk_stmt_info): Move from tree-nested.c
14179 (walk_stmts): Declare.
14180 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14182 * cgraphunit.c (cgraph_lower_function): Make static.
14183 (cgraph_finalize_pending_functions): New.
14184 (cgraph_finalize_function): Call it.
14185 (cgraph_finalize_compilation_unit): Likewise.
14186 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14187 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14188 (BT_FN_UINT_UINT): New.
14189 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14190 DEF_FUNCTION_TYPE_VAR_4): Document.
14191 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14192 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14193 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14194 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14195 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14196 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14197 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14198 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14199 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14200 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14201 into separate files.
14202 (DEF_GOMP_BUILTIN): New.
14203 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14204 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14205 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14206 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14207 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14208 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14209 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14210 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14211 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14212 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14213 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14214 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14215 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14216 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14217 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14218 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14219 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14220 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14221 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14222 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14223 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14224 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14225 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14226 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14227 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14228 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14229 * sync-builtins.def: New file, moved from builtins.def.
14230 * omp-builtins.def: New file, moved from builtins.def.
14231 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14232 * gimple-low.c (lower_function_body): Clear data.
14233 (lower_stmt): Do not handle COMPOUND_EXPR.
14234 Remove call to print_node_brief.
14235 * c-tree.h (c_finish_omp_clauses): New prototype.
14236 (C_DECL_THREADPRIVATE_P): Define.
14237 (lookup_name_no_remap, c_omp_remap_private): Remove
14238 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14239 (check_for_loop_decls): Update decl.
14240 (lookup_name_no_remap, c_omp_remap_private): Declare.
14241 (build_indirect_ref, build_modify_expr, pushdecl,
14242 pushdecl_top_level): Move to c-common.h.
14243 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14244 before the switch, but just in the 2 places that need it.
14245 * c-decl.c (diagnose_mismatched_decls): Do not check for
14246 mismatched thread-local attributes when OLDDECL is marked
14247 threadprivate and NEWDECL has no thread-local attributes.
14248 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14249 (c_gimple_diagnostics_recursively): Rename from
14250 c_warn_unused_result_recursively. Invoke
14251 diagnose_omp_structured_block_errors.
14252 (check_for_loop_decls): Return a singular decl found.
14253 * langhooks.c (lhd_omp_predetermined_sharing): Return
14254 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14255 (lhd_omp_firstprivatize_type_sizes): New.
14256 (lhd_omp_assignment): New.
14257 (lhd_omp_predetermined_sharing): New.
14258 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14259 (struct lang_hooks_for_types): Add
14260 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14261 omp_predetermined_sharing, omp_disregard_value_expr,
14262 omp_private_debug_clause, omp_clause_default_ctor,
14263 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14264 (c_finish_omp_clauses): New.
14265 (c_finish_bc_stmt): Diagnose break within omp for.
14266 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14267 (build_unary_op): Return error_mark after reporting
14269 (build_modify_expr): Likewise.
14270 * gimplify.c: Include optabs.h and pointer-set.h.
14271 (enum gimplify_omp_var_data): Declare.
14272 (struct gimplify_omp_ctx): Declare.
14273 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14275 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14276 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14277 (splay_tree_compare_decl_uid): New.
14278 (new_omp_context): New.
14279 (delete_omp_context): New.
14280 (gimple_add_tmp_var): Call omp_add_variable.
14281 (gimplify_bind_expr): Likewise.
14282 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14283 true, disregard DECL_VALUE_EXPR on the decl if any.
14284 (gimplify_expr_in_ctx): New.
14285 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14286 omp_add_variable, omp_notice_variable, omp_is_private
14287 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14288 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14289 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14290 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14291 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14292 gimplify_omp_atomic): New.
14293 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14294 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14295 OMP_CRITICAL and OMP_ATOMIC.
14296 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14297 * c-pragma.h (enum pragma_kind): Add
14298 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14299 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14300 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14301 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14302 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14303 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14304 PRAGMA_OMP_THREADPRIVATE.
14305 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14306 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14307 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14308 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14309 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14310 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14311 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14312 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14313 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14314 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14315 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14316 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14317 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14319 (struct nesting_info): Add field_map,
14320 suppress_expansion, debug_var_chain.
14321 (create_nesting_tree): Initialize them.
14322 (lookup_field_for_decl): Use field_map.
14323 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14324 (convert_local_omp_clauses): New.
14325 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14326 (walk_body): Split out of walk_function.
14327 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14328 (convert_nonlocal_reference): Handle omp statements.
14329 (convert_local_reference): Likewise.
14330 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14331 (unnest_nesting_tree): New.
14332 (lower_nested_functions): Call it.
14333 (insert_field_into_struct): Make extern.
14334 (struct walk_stmt_info): Move to tree-gimple.h.
14335 (walk_stmts): Make extern.
14336 * omp-builtins.def: New file.
14337 * tree-iterator.c (expr_only): Clarify comment.
14338 * c-common.h (pushdecl_top_level, pushdecl,
14339 build_modify_expr, build_indirect_ref,
14340 c_finish_omp_master, c_finish_omp_critical,
14341 c_finish_omp_ordered, c_finish_omp_barrier,
14342 c_finish_omp_atomic, c_finish_omp_flush,
14343 c_finish_omp_for, c_split_parallel_clauses,
14344 omp_clause_default_kind, c_omp_sharing_predetermined,
14345 c_omp_remap_decl): Declare.
14346 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14347 (OBJS-common): Add omp-low.o.
14348 (c-omp.o, omp-low.o): Add.
14349 (gimplify.o): Add dependency on $(OPTABS_H).
14350 (GTFILES): Add omp-low.c.
14351 (gt-stringpool.h): Add.
14352 * tree-cfg.c (set_bb_for_stmt): Do not update the
14353 block-to-labels map if we are currently expanding to RTL.
14354 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14356 Handle IDENTIFIER_NODE.
14357 (tree_verify_flow_info): Do not ICE when emitting error
14358 messages about invalid labels.
14359 (dump_function_to_file): Reset CFUN before emitting the body
14361 (debug_function): New.
14362 * passes.c (init_optimization_passes): Schedule
14364 * langhooks-def.h (lhd_omp_predetermined_sharing,
14365 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14367 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14368 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14369 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14370 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14371 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14372 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14373 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14374 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14375 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14376 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14377 (LANG_HOOK_DECLS): Use them.
14379 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14380 Richard Henderson <rth@redhat.com>
14381 Jakub Jelinek <jakub@redhat.com>
14382 Diego Novillo <dnovillo@redhat.com>
14384 * c-parser.c (pragma_omp_clause): Define.
14385 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14386 (c_parser_compound_statement): Likewise.
14387 (c_parser_statement): Likewise.
14388 (c_parser_pragma): Handle omp pragmas.
14389 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14390 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14391 (c_parser_omp_clause_name, check_no_duplicate_clause,
14392 c_parser_omp_variable_list,
14393 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14394 c_parser_omp_clause_copyprivate,
14395 c_parser_omp_clause_default,
14396 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14397 c_parser_omp_clause_lastprivate,
14398 c_parser_omp_clause_nowait,
14399 c_parser_omp_clause_num_threads,
14400 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14401 c_parser_omp_clause_reduction,
14402 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14403 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14404 c_parser_omp_atomic, c_parser_omp_barrier,
14405 c_parser_omp_critical, c_parser_omp_flush,
14406 c_parser_omp_for_loop, c_parser_omp_for,
14407 c_parser_omp_master, c_parser_omp_ordered,
14408 c_parser_omp_sections_scope, c_parser_omp_sections,
14409 c_parser_omp_parallel, c_parser_omp_single,
14410 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14411 * c-pragma.c (init_pragma): Do omp pragma registration here.
14412 * c.opt (fopenmp): New flag.
14414 2006-01-18 Eric Christopher <echristo@apple.com>
14416 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14417 * config/darwin.h (GOMP_SELF_SPECS): Define.
14419 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14421 * rtl.h: Remove the prototype for reg_alloc.
14423 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14426 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14427 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14428 sjlj and dwarf2 exception handling.
14429 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14430 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14431 * pa/pa.c (function_value): Treat complex and vector types as
14433 (function_arg): Likewise. Only pass scalar floats in the floating
14434 point argument registers.
14435 * pa/t-slibgcc-dwarf-ver: New file.
14436 * pa/t-slibgcc-sjlj-ver: New file.
14437 * pa/t-slibgcc-elf-ver: Delete file.
14439 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14441 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14442 unlikely_test_section_p test.
14444 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14446 * mode-switching.c (optimize_mode_switching): Make it static.
14447 * basic-block.h: Remove the prototype for
14448 optimize_mode_switching.
14450 * modulo-sched.c (sms_schedule): Make it static.
14451 * rtl.h: Remove the prototype for sms_schedule.
14453 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14454 * rtl.h: Remove the prototype for gcse_after_reload_main.
14456 * reg-stack.c (reg_to_stack): Make it static.
14457 * rtl.h: Remove the prototype for reg_to_stack.
14459 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14461 * rtl.h: Remove the prototypes for regrename_optimize and
14462 copyprop_hardreg_forward.
14464 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14466 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14467 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14468 Test against the appropriate null constant for the mode.
14469 If 'fixup_overlap' is true, swap the operands if they overlap.
14470 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14471 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14472 alpha_split_tmode_pair and adjust for above change.
14473 * config/alpha/alpha.md (movtf_internal): Adjust call to
14474 alpha_split_tfmode_pair and rely on it to swap the operands.
14475 (movti_internal): New insn and post-reload splitter.
14476 (movti): New expander.
14478 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14480 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14483 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14485 * rtlanal.c (global_reg_mentioned_p_1,
14486 global_reg_mentioned_p): Remove.
14487 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14489 * flow.c (initialize_uninitialized_subregs): Make it static.
14490 * rtl.h: Remove the prototype for
14491 initialize_uninitialized_subregs.
14493 * function.c (instantiate_virtual_regs): Make it static.
14494 * function.h: Remove the prototype for
14495 instantiate_virtual_regs.
14497 * regmove.c (regmove_optimize, combine_stack_adjustments):
14499 * rtl.h: Remove the prototypes for regmove_optimize and
14500 combine_stack_adjustments.
14502 2006-01-17 Roger Sayle <roger@eyesopen.com>
14504 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14505 (size_cost): Encode costs in bytes so that a reg-reg addition is
14506 equivalent to COSTS_N_INSNS(1).
14507 (override_options): Use the size_cost.branch_cost as the default
14508 ix86_branch_cost when optimizing for size.
14510 2006-01-18 Ben Elliston <bje@au.ibm.com>
14512 * Makefile.in (D32PBIT_FUNCS): New.
14513 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14514 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14515 D64PBIT_FUNCS and D128PBIT_FUNCS.
14516 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14517 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14519 (decnumber_dep): Define.
14520 * doc/libgcc.texi (Decimal float library routines): New node.
14521 * config/dfp-bit.h, config/dfp-bit.c: New files.
14523 2006-01-18 Ben Elliston <bje@au.ibm.com>
14525 * expr.c (emit_move_change_mode): Always adjust addresses, not
14526 just during reload. Copy replacements only during reload.
14527 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14528 emit_move_via_integer.
14530 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14532 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14533 instead of $(srcdir) and ${srcdir}.
14535 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14538 PR middle-end/11135
14539 * arm.h (struct machine_function): Add pic_reg.
14540 * arm.c (arm_pic_register): Make unsigned.
14541 (arm_override_options): Only set arm_pic_register if
14542 TARGET_SINGLE_PIC_BASE.
14543 (use_return_insn): Only test for a pic register if it is fixed.
14544 (arm_compute_save_reg0_reg12_mask): Likewise.
14545 (thumb_compute_save_reg_mask): Likewise.
14546 (legitimate_pic_operand): Factor out some known invariants.
14547 (legitimize_pic_address): If we don't have a fixed pic register,
14548 then set up a pseudo in the function entry sequence. Handle the
14549 pic base being in a pseudo.
14550 (arm_load_pic_register): Handle the pic register being in a pseudo.
14551 (arm_expand_prologue): Only set up the pic register if it is fixed.
14552 (thumb_expand_prologue): Likewise.
14553 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14554 (pic_load_addr_based_insn): Likewise.
14555 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14558 2006-01-18 Ben Elliston <bje@au.ibm.com>
14560 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14561 decimal float modes for all floating point registers.
14563 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14564 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14566 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14569 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14570 even when the pointer is not NULL.
14572 2006-01-16 Ian Lance Taylor <ian@airs.com>
14574 * common.opt (ftoplevel-reorder): New option.
14575 * cgraph.c (cgraph_asm_nodes): New global variable.
14576 (cgraph_asm_last_node): New static variable.
14577 (cgraph_order): New global variable.
14578 (cgraph_create_node): Set new order field.
14579 (cgraph_varpool_node): Likewise.
14580 (decide_is_variable_needed): Return true if not
14581 flag_toplevel_reorder.
14582 (cgraph_add_asm_node): New function.
14583 * cgraph.h (struct cgraph_node): Add order field.
14584 (struct cgraph_varpool_node): Add order field.
14585 (struct cgraph_asm_node): Define.
14586 (cgraph_asm_nodes, cgraph_order): Declare.
14587 (cgraph_add_asm_node): Declare.
14588 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14590 (cgraph_varpool_assemble_pending_decls): Call it.
14591 (cgraph_output_pending_asms): New static function.
14592 (cgraph_finalize_compilation_unit): Call it.
14593 (struct cgraph_order_sort): Define.
14594 (cgraph_output_in_order): New static function.
14595 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14596 !flag_toplevel_reorder case.
14597 * c-parser.c: Include "cgraph.h".
14598 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14600 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14601 than -fno-unit-at-a-time.
14602 * doc/invoke.texi (Option Summary): Mention
14603 -fno-toplevel-reorder.
14604 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14605 -funit-at-a-time documentation.
14607 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14608 Kazu Hirata <kazu@codesourcery.com>
14610 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14612 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14614 * Makefile.in (FUNCTION_H): New. Use it instead of
14615 function.h throughout the file.
14616 * function.h: Include tree.h.
14618 2006-01-17 Ben Elliston <bje@au.ibm.com>
14620 * recog.c: Separate some functions with whitespace.
14622 2006-01-16 Richard Henderson <rth@redhat.com>
14624 Merge from gomp branch:
14625 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14626 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14627 and rename from struct inline_data. Rename callee* to dst*;
14628 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14629 transform_new_cfg, transform_return_to_modify, and
14630 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14632 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14633 (copy_decl_for_dup): Remove.
14634 * tree-inline.c (struct inline_data): Move to header.
14635 (insert_decl_map): Export.
14636 (remap_decl): Update for member name changes. Use copy_decl hook.
14637 Allow for replacement to be a non-decl. Remove dead code.
14638 (remap_type_1): Check for existing mapping.
14639 (remap_type): Export.
14640 (remap_decls): Update for member name changes.
14641 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14642 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14643 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14644 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14645 (tree_function_versioning, build_duplicate_type): Likewise.
14646 (copy_body_r): Likewise. Export.
14647 (copy_decl_for_dup): Split into ...
14648 (copy_decl_for_dup_finish, copy_decl_to_var,
14649 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14650 (replace_ref_tree, inlining_p): Remove.
14652 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14654 * ifcvt.c (if_convert): Make it static.
14655 * rtl.h: Remove the prototype for if_convert.
14657 * local-alloc.c (local_alloc): Make it static.
14658 * rtl.h: Remove the prototype for local_alloc.
14660 * loop.c (loop_optimize): Make it static.
14661 * cfgloop.h: Remove the prototype for loop_optimize.
14664 2006-01-16 DJ Delorie <dj@redhat.com>
14666 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14669 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14671 * pa.md: Disparage copies between general and floating-point registers
14672 in 32-bit move patterns.
14674 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14677 * Makefile.in (check-%): Depend on site.exp instead of
14678 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14681 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14683 * global.c (global_alloc): Make it static.
14684 * rtl.h: Remove the prototype for global_alloc.
14686 2006-01-16 Richard Guenther <rguenther@suse.de>
14688 * tree-ssa-alias.c (struct used_part): Add write_only field.
14689 (get_or_create_used_part_for): Initialize it to true.
14690 (create_overlap_variables_for): Don't create structure variables
14691 for structures that only are written to.
14692 (find_used_portions): Handle MODIFY_EXPR to track whether a
14693 structure is only written to.
14695 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14697 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14699 * basic-block.h: Remove the prototype for
14700 partition_hot_cold_basic_blocks.
14702 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14704 * cppspec.c (lang_specific_spec_functions): Remove.
14705 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14706 * gcc.h (lang_specific_spec_functions): Remove.
14707 * gccspec.c (lang_specific_spec_functions): Remove.
14709 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14711 * combine.c (record_value_for_reg): Invalidate registers
14713 (record_dead_and_set_regs_1): Likewise, by passing them to
14714 record_value_for_reg.
14715 (record_dead_and_set_regs): Invalidate stores made by a
14716 call. We do not combine across a call, but we still
14717 relied on equivalences.
14719 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14721 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14722 vrp_int_const_binop returning non-constant nodes.
14724 2006-01-16 Paul Brook <paul@codesourcery.com>
14726 * config/m68k/m68k.c (output_move_const_into_data_reg):
14727 Output correct mnemonic for mvz and mvs.
14729 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14731 * rtl-factoring.c: Add sequence abstraction algorithm.
14732 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14733 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14735 (block_has_preserve_label): New function.
14736 * common.opt: Register new pass.
14737 * Makefile.in: Ditto.
14739 * timevar.def: Ditto.
14740 * tree-pass.h: Ditto.
14741 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14742 * rtl.h (make_jump_insn_raw): Add forward decl.
14743 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14745 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14746 Roger Sayle <roger@eyesopen.com>
14748 * fold-const.c (fold_minmax): New static function.
14749 (fold_binary) <MIN_EXPR>: Call it.
14750 <MAX_EXPR>: Likewise.
14751 * stor-layout.c (place_field): Use DECL_SIZE consistently
14752 in the computation of the new record size.
14754 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14756 * cse.c (cse_condition_code_reg): Make it static.
14757 * rtl.h: Remove the prototype for cse_condition_code_reg.
14759 * combine.c (combine_instructions): Make it static.
14760 * rtl.h: Remove the prototype for combine_instructions.
14762 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14765 * tree.c (get_file_function_name_long): Concatenate the first global
14766 object name with a string derived from the input filename of the object
14769 2006-01-16 Ben Elliston <bje@au.ibm.com>
14771 * config/i386/winnt-stubs.c: Update FSF address.
14772 * config/xtensa/ieee754-df.S: Ditto.
14773 * config/xtensa/ieee754-sf.S: Ditto.
14775 2006-01-14 Ian Lance Taylor <ian@airs.com>
14777 * ifcvt.c (noce_init_if_info): New static function, broken out of
14778 noce_process_if_block.
14779 (noce_process_if_block): Call noce_init_if_info.
14780 (check_cond_move_block): New static function.
14781 (cond_move_process_if_block): New static function.
14782 (process_if_block): Call cond_move_process_if_block.
14784 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14786 * cselib.c (hash_table): Rename to cselib_hash_table.
14787 (cselib_clear_table, discard_useless_values,
14788 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14789 cselib_init, cselib_finish): Adjust uses of hash_table.
14791 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14793 PR tree-optimization/25485
14794 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14795 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14796 is known to be false and true, respectively.
14798 2006-01-14 Richard Guenther <rguenther@suse.de>
14800 PR tree-optimization/22548
14801 PR tree-optimization/22555
14802 PR tree-optimization/22501
14803 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14804 * params.def (salias-max-array-elements): New parameter.
14805 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14806 * doc/invoke.texi (salias-max-array-elements): Document.
14807 * tree-flow-inline.h (var_can_have_subvars): We also handle
14809 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14811 * tree-ssa-structalias.c (params.h): Include.
14812 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14813 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14814 (get_constraint_for): For ADDR_EXPR operating on something
14815 containing an ARRAY_REF, add all subvars to the solution.
14816 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14817 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14818 for creating MUST_DEFs.
14819 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14821 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14823 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14825 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14826 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14827 number_of_iterations_le): New functions.
14828 (number_of_iterations_special): Removed.
14829 (number_of_iterations_exit): Do not use number_of_iterations_special.
14830 * tree.c (unsigned_type_for): Always return integer type.
14832 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14833 Richard Guenther <rguenther@suse.de>
14835 PR rtl-optimization/24257
14836 * gcse.c (find_moveable_store): Only consider a store movable
14837 when the SET_SRC of the insn can be assigned to a register.
14839 2006-01-14 Ian Lance Taylor <ian@airs.com>
14841 * tree.c (tree_not_class_check_failed): New function.
14842 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14843 (tree_not_class_check_failed): Declare.
14845 2006-01-13 Ian Lance Taylor <ian@airs.com>
14847 * reload1.c (do_output_reload): Add assertion rejecting a
14850 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14852 * combine.c (struct reg_stat): Add new fields truncation_label and
14854 (record_value_for_reg): Reset truncated_to_mode.
14855 (record_truncated_value): New function.
14856 (check_promoted_subreg): Call it. Rename to check_conversions.
14857 (combine_instructions): Rename check_promoted_subreg to
14859 (reg_truncated_to_mode): New function.
14860 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14861 (gen_lowpart_or_truncate): New function.
14862 (force_to_mode): Use it instead of gen_lowpart.
14864 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14866 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14867 VAR is a tag, not its type tag.
14869 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14871 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14872 alternatives to match style of other entries.
14873 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14875 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14877 PR tree-optimization/25771
14878 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14881 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14884 * tree-inline.c (declare_return_variable): If the return variable
14885 was marked as a non gimple complex, set the return slot variable
14886 to be a non gimple comple variable.
14888 2006-01-13 Richard Guenther <rguenther@suse.de>
14890 * builtins.c (expand_builtin_sincos): New function.
14891 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14893 (expand_builtin): Expand sincos using expand_builtin_sincos.
14895 2006-01-12 DJ Delorie <dj@redhat.com>
14897 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14898 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14899 so that constant shifts can be split.
14900 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14901 (m32c_valid_pointer_mode): Make static.
14902 (shift_gen_func_for): New.
14903 (m32c_prepare_shift): Use it. Split large const shifts into
14905 * config/m32c/predicates.md (shiftcount_operand): Allow more
14907 (longshiftcount_operand): New.
14908 * doc/md.texi (Machine Constraints): Document In6.
14910 2006-01-13 Ben Elliston <bje@au.ibm.com>
14912 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14913 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14916 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14918 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14919 to try to avoid clobbering pieces of structures when we know
14920 something about the whole structure.
14921 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14923 2006-01-13 Ben Elliston <bje@au.ibm.com>
14925 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14926 return in memory, as this is no limitation is no longer present.
14928 2006-01-12 DJ Delorie <dj@redhat.com>
14930 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14931 mova with fb, and for fb+0 -> An.
14933 * config/m32c/mov.md (peephole2): Fix enabling logic.
14935 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14936 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14937 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14938 FINI_ARRAY_SECTION_ASM_OP): Define.
14940 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14942 (m32c_legitimize_reload_address): New logic to reload FB to An.
14943 (m32c_output_reg_push): Add newline.
14944 (m32c_output_reg_pop): Likewise.
14946 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14948 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14950 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14952 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14954 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14956 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14959 2006-01-11 Ben Elliston <bje@au.ibm.com>
14961 * rtlanal.c (find_reg_note): Assert insn is not null.
14963 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14965 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14968 2006-01-11 Jeff Law <law@redhat.com>
14970 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14972 (mark_threaded_blocks, register_jump_thread): New functions.
14973 (thread_through_all_blocks): Remove unwanted argument. No
14974 longer rely on e->aux to communicate thread target info.
14975 Call mark_threaded_blocks. Release the threaded_blocks
14976 bitmap and threaded_edges vector when complete.
14977 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14978 (threaded_blocks): Remove.
14979 (tree_ssa_dominator_optimize): Remove initialization and
14980 finalization of threaded_blocks. Simplify call to
14981 thread_through_all_blocks.
14982 (thread_across_edge): Call register_jump_thread rather than
14983 storing thread information into e->aux.
14984 (free_all_edge_infos): Simplify now that e->aux is no longer
14985 used to communicate with thread_through_all_blocks.
14986 * tree-flow.h (thread_through_all_blocks): Update prototype.
14987 (register_jump_thread): Prototype.
14989 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14991 * df-core.c (df_compact_blocks, df_bb_replace): Use
14992 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14994 2006-01-11 Richard Guenther <rguenther@suse.de>
14996 PR tree-optimization/25734
14997 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14998 stop propagation after successful propagation to the LHS.
15000 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15002 * basic-block.h (control_flow_graph): Change the type of
15003 x_basic_block_info to VEC(basic_block,gc) *.
15004 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15006 (SET_BASIC_BLOCK): New.
15007 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15008 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15009 * cfgbuild.c (find_basic_blocks): Likewise.
15010 * cfglayout.c (fixup_reorder_chain): Likewise.
15011 * cfgrtl.c (create_basic_block_structure,
15012 rtl_create_basic_block): Likewise.
15013 * ifcvt.c (find_if_case_1): Likewise.
15014 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15017 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15019 * Makefile.in: Removed rotted odf.c entry.
15021 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15024 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15025 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15026 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15027 output pattern modifier, not %e.
15028 * config/cris/cris.c (cris_op_str): Update comment about pattern
15030 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15031 before falling through into...
15032 <case 'E'>: Redefined from old 'e' case.
15034 2006-01-11 Jan Hubicka <jh@suse.cz>
15037 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15039 2006-01-11 Jan Hubicka <jh@suse.cz>
15041 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15042 * i386.c (x86_decompose_lea): Kill.
15043 (ix86_rtx_costs): Kill.
15045 2006-01-11 Jan Hubicka <jh@suse.cz>
15047 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15048 * cgraph.h (cgraph_node): Add inline_decl.
15049 (cgraph_insert_node_to_hashtable): Declare.
15050 (save_inline_function_body): Declare.
15051 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15053 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15054 (cgraph_function_versioning): Update call of tree_function_versioning.
15055 (save_inline_function_body): New function.
15056 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15057 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15058 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15059 (cgraph_default_inline_p): Likewise.
15060 (cgraph_decide_inlining_incrementally): Likewise.
15061 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15062 (copy_bb): Kill saving; do updating of clones.
15063 (copy_cfg_body): Kill saving.
15064 (initialize_inlined-parameters): Likewise.
15065 (expand_call_inline): Likewise.
15067 (tree_function_versioning): New parameter "update_clones".
15068 (inlining_p): Kill saving.
15069 * tree-inline.h (tree_function_versioning): Update prototype.
15070 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15073 2006-01-11 Ian Lance Taylor <ian@airs.com>
15075 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15076 Allow undoing set of machine mode.
15077 (do_SUBST): Use enums instead of is_int.
15078 (do_SUBST_MODE): New function.
15079 (SUBST_MODE): New macro.
15080 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15081 reg and trying to replace reg_regno_rtx with a new register.
15082 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15083 (simplify_set): Use SUBST_MODE.
15084 (distribute_notes): Remove code that tried to update reg notes
15085 for regno_reg_rtx changes.
15087 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15089 PR tree-optimization/23109
15090 PR tree-optimization/23948
15091 PR tree-optimization/24123
15093 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15094 * tree-cfg.c (single_noncomplex_succ): New.
15095 * tree-flow.h (single_noncomplex_succ): Declare it.
15096 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15097 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15098 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15099 insert_bb, register_division_in, insert_reciprocals,
15100 replace_reciprocal, free_bb): New.
15101 (execute_cse_reciprocals_1): Rewritten.
15102 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15103 Do not commit any edge insertion. Always compute dominators and
15104 create the allocation pool.
15105 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15106 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15107 * targhooks.c (default_min_divistions_for_recip_mul): New.
15108 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15109 * passes.c (init_optimization_passes): Run recip after tree loop
15111 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15113 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15114 Kenneth Zadeck <zadeck@naturalbridge.com>
15116 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15117 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15118 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15119 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15120 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15121 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15122 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15123 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15124 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15125 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15126 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15127 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15128 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15129 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15130 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15131 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15132 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15133 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15134 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15135 DF_SCAN_POST_ALLOC): New macros.
15136 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15137 df_free_bb_function, df_local_compute_function, df_init_function,
15138 df_dataflow_function, df_confluence_function_0,
15139 df_confluence_function_n, df_transfer_function,
15140 df_finalizer_function, df_free_function, df_dump_problem_function,
15141 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15142 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15143 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15144 df_urec_bb_info, ) New types.
15145 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15147 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15148 df_analyze_simple_change_some_blocks,
15149 df_analyze_simple_change_one_block, df_compact_blocks,
15150 df_bb_replace, df_bb_regno_last_use_find,
15151 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15152 df_insn_regno_def_p, df_find_def, df_find_use,
15153 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15154 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15155 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15156 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15157 debug_df_chain, df_get_dependent_problem, df_chain_create,
15158 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15159 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15160 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15161 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15162 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15163 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15164 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15165 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15166 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15167 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15168 df_reorganize_refs, df_set_state, df_hard_reg_init,
15169 df_read_modify_subreg_p) New public functions.
15170 * df-core.c: The core dataflow solver and glue routines for rtl
15172 (df_init, df_add_problem, df_set_blocks, df_finish,
15173 df_hybrid_search_forward, df_hybrid_search_backward,
15174 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15175 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15176 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15177 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15178 df_reg_defined, df_find_use, df_reg_used, df_dump,
15179 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15180 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15181 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15182 debug_df_useno, reset_df_after_reload): New functions.
15183 * df-scan.c: The scanning fuctions, once in df.c, completely
15184 rewritten so that they now fully model the functionality of
15185 register usage at the backend.
15186 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15187 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15188 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15189 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15190 df_get_artificial_defs, df_get_artificial_uses,
15191 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15192 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15193 df_refs_delete, df_reorganize_refs, df_set_state,
15194 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15195 df_def_record_1, df_defs_record, df_uses_record,
15196 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15197 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15198 df_record_exit_block_uses, df_hard_reg_init): New functions.
15200 * df-problems.c: Seven concrete dataflow problems that use the
15201 scanning in df-scan.c and are solved by the engine in df-core.c.
15202 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15203 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15204 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15205 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15206 df_ru_free_bb_info, df_ru_alloc,
15207 df_ru_bb_local_compute_process_def,
15208 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15209 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15210 df_ru_transfer_function, df_ru_free, df_ru_dump,
15211 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15212 df_rd_free_bb_info, df_rd_alloc,
15213 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15214 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15215 df_rd_transfer_function, df_rd_free, df_rd_dump,
15216 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15217 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15218 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15219 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15220 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15221 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15222 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15223 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15224 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15225 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15226 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15227 df_urec_mark_reg_use_for_earlyclobber,
15228 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15229 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15230 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15231 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15232 df_chain_create_bb_process_use, df_chain_create_bb,
15233 df_chain_finalize, df_chain_free, df_chains_dump,
15234 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15235 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15236 df_reg_lifetime): New functions.
15237 * df.c: Deleted file.
15238 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15239 consistent with new df api.
15240 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15241 rest_of_handle_sms): Ditto.
15242 * web.c (unionfind_union, union_defs, entry_register, web_main):
15244 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15245 invariant_expr_equal_p, find_defs, check_dependencies,
15246 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15247 free_inv_motion_data, move_loop_invariants): Ditto.
15248 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15249 Update dependencies.
15250 (odf.c): Added defective entry that was deleted later in day.
15251 * sched-deps.c (sched_analyze_1): Ditto.
15253 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15255 * tree-ssa-operands.c (get_expr_operands): Record addressable
15256 variables directly. Do not call add_stmt_operands for CONST_DECLs
15258 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15259 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15261 2006-01-11 Ben Elliston <bje@au.ibm.com>
15263 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15264 function returns true in the positive case.
15266 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15269 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15270 for SI, DI, SF and DF modes. Add alternatives to copy between
15271 general and floating point registers to the 32-bit patterns.
15272 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15273 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15274 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15275 generating 64-bit code.
15276 * config/pa/pa.c (output_move_double): Handle copies between general
15277 and floating registers.
15279 2006-01-10 Stuart Hastings <stuart@apple.com>
15281 * config/i386/i386.md (set_got): Update.
15282 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15283 (builtin_setjmp_receiver): Mach-O support.
15284 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15285 (GOT_SYMBOL_NAME): Define.
15286 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15287 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15288 * config/i386/i386.c (override_options): Revise for Darwin.
15289 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15290 support. (darwin_x86_file_end): New. (output_set_got): Add label
15291 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15292 * config/i386/i386-protos.h (output_set_got): Likewise.
15293 * config/darwin.c (machopic_legitimize_pic_address): Update
15296 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15298 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15299 when MODE isn't BLKmode.
15301 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15303 PR rtl-optimization/25367
15304 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15306 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15309 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15310 for a negative bound.
15312 2006-01-10 Richard Guenther <rguenther@suse.de>
15314 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15315 Never override with anything constraint.
15317 2006-01-10 Jan Beulich <jbeulich@novell.com>
15319 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15320 256 bits when optimize_size.
15322 2006-01-10 Jan Beulich <jbeulich@novell.com>
15324 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15326 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15327 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15330 2006-01-10 Ben Elliston <bje@au.ibm.com>
15332 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15334 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15335 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15336 (USE_FP_FOR_ARG): Reject decimal float modes.
15337 (function_arg_advance): Likewise.
15338 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15339 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15340 point types in AltiVec vectors.
15341 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15342 (rs6000_libcall_value): Likewise.
15344 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15346 * config/xtensa/ieee754-df.S: New file.
15347 * config/xtensa/ieee754-sf.S: New file.
15348 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15349 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15350 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15352 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15354 * config/sh/predicates.md (binary_float_operator,
15355 binary_logical_operator, commutative_float_operator,
15356 equality_comparison_operator, greater_comparison_operator,
15357 less_comparison_operator, logical_operator,
15358 noncommutative_float_operator, shift_operator,
15359 symbol_ref_operand, unary_float_operator): Remove redundant
15362 2006-01-09 Jeff Law <law@redhat.com>
15364 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15365 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15366 now unused arguments. Callers updated.
15367 (eliminate_redundant_computations): Remove now unused arguments,
15369 (local_fold): Remove, no longer used.
15370 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15372 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15373 (simplify_cond): New function.
15374 (forward_propagate_into_cond): Call simplify_cond.
15376 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15378 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15379 (*vec_extractv2di_1_sse): New.
15381 2006-01-09 Ben Elliston <bje@au.ibm.com>
15383 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15385 2006-01-08 Richard Guenther <rguenther@suse.de>
15387 * tree-ssa-structalias.c (get_constraint_for): Remove
15388 anyoffset argument.
15389 (get_constraint_for_component_ref): Likewise.
15390 (do_deref): Likewise.
15391 (get_constraint_for): Likewise.
15392 (do_structure_copy): Likewise.
15393 (handle_ptr_arith): Likewise.
15394 (find_func_aliases): Likewise. Remove unused need_anyoffset
15397 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15398 Kaz Kojima <kkojima@gcc.gnu.org>
15400 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15401 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15402 (EXTRA_CONSTRAINT_C16): Remove.
15403 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15404 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15405 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15406 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15407 constants of SHmedia. Handle nested constant expressions of
15409 (andcosts): Fix the costs for SHmedia constants.
15410 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15411 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15412 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15413 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15414 (movv4hi_i, movv2si_i): Likewise.
15415 (movsi_const): Adjust the second operand of ior so to match with
15416 the Csu constraint.
15417 (movdi_const, movdi_const_32bit): Likewise.
15418 (movdi_const_16bit+1): Don't sign-extend LOW.
15419 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15421 (*double_shori): Fix the split condition. Use GEN_INT instead
15422 of get_int_mode calls. Mask lower 16-bit of the argument of
15424 (sym2GOTPLT): Remove.
15425 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15427 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15428 instead of EXTRA_CONSTRAINT_C16.
15430 2006-01-07 Ian Lance Taylor <ian@airs.com>
15431 David Edelsohn <edelsohn@gnu.org>
15433 PR rtl-optimization/25662
15434 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15435 for constant operands instead of simplify_gen_binary.
15436 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15437 after trying simplify_binary_operation
15439 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15441 * tree.c (iterative_hash_expr): Hash decls based on UID.
15443 2006-01-06 Eric Christopher <echristo@apple.com>
15445 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15446 (TARGET_UNWIND_EMIT): Fix spelling.
15447 * target.h (gcc_target): Add except_table_label.
15448 * except.c (output_function_exception_table): Use.
15449 * varasm.c (default_emit_except_table_label): New.
15450 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15452 (asm_out): Add here.
15453 * output.h (default_emit_except_table_label): Prototype.
15454 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15455 * config/darwin.c (darwin_emit_except_table_label): Define.
15456 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15458 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15460 PR tree-optimization/18527
15461 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15462 number_of_iterations_special, number_of_iterations_exit):
15463 Move base and step of an iv to a single structure. Add
15464 no_overflow flag, and use it in # of iterations analysis.
15465 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15466 folded_casts argument.
15467 (simple_iv): Pass base and step in a structure. Set no_overflow
15469 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15470 Evaluate expensiveness of computing # of iterations instead of
15471 the final expression.
15472 * tree-scalar-evolution.h (affine_iv): New structure.
15473 (simple_iv): Declaration changed.
15474 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15475 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15476 find_givs_in_stmt): Changed due to simple_iv change.
15478 2006-01-06 Jeff Law <law@redhat.com>
15481 * tree-cfg.c (bsi_replace): Rename final argument from
15482 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15483 change (stmt -> orig_stmt).
15484 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15485 (bsi_remove): Add new argument. Remove EH information
15487 (verify_eh_throw_table_statements): New function.
15488 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15490 * tree-optimize.c (execute_free_cfg_annotations): Verify
15491 the EH throw statement table after removing annotations.
15492 * except.h (verify_eh_throw_table_statements): Prototype.
15493 * tree-flow.h (bsi_remove): Update prototype.
15494 * tree-vrp.c (remove_range_assertions): Add new argument to
15496 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15497 * tree-complex.c (expand_complex_div_wide): Likewise.
15498 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15499 * tree-tailcall.c (eliminate_tailcall): Likewise.
15500 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15501 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15502 * tree-nrv.c (tree_nrv): Likewise.
15503 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15504 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15505 (combine_blocks): Likewise.
15506 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15507 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15508 (cleanup_control_flow): Likewise.
15509 (remove_forwarder_block): Likewise.
15510 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15511 * tree-sra.c (sra_replace): Likewise.
15512 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15513 (forward_propagate_single_use_vars): Likewise.
15514 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15515 * tree-inline.c (expand_call_inline): Likewise.
15516 * tree-vect-transform.c (vect_transform_loop): Likewise.
15517 * tree-outof-ssa.c (rewrite_trees): Likewise.
15518 * tree-cfg.c (make_goto_expr_edges): Likewise.
15519 (cleanup_dead_labels): Likewise.
15520 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15521 (bsi_move_before, bsi_move_after): Likewise.
15522 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15523 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15525 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15528 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15530 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15531 on non gimple variables. Also add checks at the top for decls and
15533 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15535 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15536 and IMAGPART_EXPR for creating MUST_DEFs.
15537 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15538 and NAME_MEMORY_TAG separately from the DECLs.
15540 2006-01-06 Richard Guenther <rguenther@suse.de>
15542 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15543 annotation, if necessary.
15544 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15545 redundant calls to update_stmt.
15546 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15549 2006-01-05 Richard Henderson <rth@redhat.com>
15551 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15553 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15555 * c-typeck.c: Update copyright date.
15557 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15559 * c-typeck.c (build_c_cast): Always warn when casting
15560 from a pointer to an integer of different size, even if
15561 the node was constant.
15563 2006-01-05 Richard Guenther <rguenther@suse.de>
15565 PR tree-optimization/22555
15566 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15567 if one structure field is an array.
15568 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15569 operands even if we found a subvar, but ignore VOPs in this
15571 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15573 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15575 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15577 PR middle-end/24998
15578 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15580 2006-01-05 Richard Guenther <rguenther@suse.de>
15581 Diego Novillo <dnovillo@redhat.com>
15583 * tree-pass.h (TODO_remove_unused_locals): Define.
15584 * gimple-low.c (expand_var_p, remove_useless_vars,
15585 pass_remove_useless_vars): Remove. Update all users.
15586 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15587 (remove_unused_locals): New function.
15588 * tree-flow.h (remove_unused_locals): Declare.
15589 * passes.c (execute_todo): Call remove_unused_locals if
15590 TODO_remove_unused_locals is set.
15591 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15592 * tree-ssa-dce.c (pass_dce): Likewise.
15593 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15595 2006-01-05 Richard Guenther <rguenther@suse.de>
15597 * tree-flow.h (struct fieldoff): Decompose field to
15598 type, size and decl.
15599 * tree-ssa-alias.c (create_sft): Take type as parameter.
15600 (create_overlap_variables_for): Store type, size and decl
15601 in the fieldoff structure.
15602 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15603 of struct fieldoff.
15604 (push_fields_onto_fieldstack): Likewise.
15605 (create_variable_info_for): Likewise. Use offset for the
15606 SFT name if the decl is not available.
15608 2006-01-04 Paul Brook <paul@codesourcery.com>
15610 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15612 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15614 * lambda-code.c (can_put_in_inner_loop): Relax
15616 (can_put_after_inner_loop): New function.
15617 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15618 (perfect_nestify): Change to make copies and modify uses.
15620 2006-01-04 Richard Henderson <rth@redhat.com>
15622 Merge from gomp branch:
15623 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15624 via integer constant.
15625 (pragma_lex): Remove.
15626 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15627 rather than parsing it.
15628 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15629 handle_pragma_extern_prefix): Add %< %> quotes.
15630 (registered_pragmas): New.
15631 (c_register_pragma_1): New.
15632 (c_register_pragma): Use it.
15633 (c_register_pragma_with_expansion): Likewise.
15634 (c_invoke_pragma_handler): New.
15635 (init_pragma): Use cpp_register_deferred_pragma directly for
15637 * c-pragma.h (enum pragma_kind): New.
15638 (pragma_handler): New.
15639 (c_invoke_pragma_handler): Declare.
15640 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15642 * c-common.h (c_common_pch_pragma): Update decl.
15643 * Makefile.in (c-parser.o): Update dependencies.
15644 (GTFILES): Add c-pragma.h.
15645 * c-parser.c (struct c_token): Add pragma_kind.
15646 (struct c_parser): Add in_pragma.
15647 (c_lex_one_token): Always initialize keyword and pragma_kind.
15648 Extract data for CPP_PRAGMA.
15649 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15650 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15651 Don't allow CPP_PRAGMA_EOL if in_pragma.
15652 (c_parser_consume_pragma): New.
15653 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15654 (c_parser_skip_to_end_of_parameter): Likewise.
15655 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15656 (c_parser_skip_to_pragma_eol): New.
15657 (c_parser_external_declaration): Handle CPP_PRAGMA.
15658 (c_parser_compound_statement_nostart): Likewise.
15659 (c_parser_statement_after_labels): Likewise.
15660 (c_parser_pragma): New.
15661 (pragma_lex): Likewise.
15662 (c_parser_pragma_pch_preprocess): New.
15663 (c_parser_new): Merge into ...
15664 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15666 2006-01-04 Jeff Law <law@redhat.com>
15669 * tree-cfg.c (bsi_replace): Remove the original statement
15670 from the EH throw statement table.
15672 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15674 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15675 make the prototype extern "C" and add throw ().
15678 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15679 and pos non-negative and pos + len <= 32.
15680 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15681 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15682 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15685 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15686 as well as sizes not multiple of component size.
15689 * function.c (instantiate_expr): New function.
15690 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15691 walk its DECL_VALUE_EXPR with instantiate_expr.
15693 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15694 DW_OP_deref{,_size} if address isn't going to be added.
15696 2006-01-04 Ben Elliston <bje@au.ibm.com>
15698 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15699 * config/fp-bit.c: Likewise.
15701 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15703 * dominance.c: Add comment about why we use DFS numbering
15706 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15707 Richard Henderson <rth@redhat.com>
15709 Merge from gomp-branch:
15710 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15711 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15713 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15715 PR rtl-optimization/25578
15716 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15717 pass a parameter to simplify_shift_const if changing ASHIFTRT
15720 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15722 * builtins.c (get_builtin_sync_mem): New function.
15723 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15724 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15725 Call get_builtin_sync_mem to generate mem rtx.
15727 2006-01-03 Richard Guenther <rguenther@suse.de>
15730 * stmt.c (add_case_node): Make sure to clear overflow flags
15733 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15735 Merge from gomp-branch.
15736 * config/sparc/sync.md: New file.
15737 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15738 UNSPECV_LDSTUB): New constants.
15739 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15740 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15741 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15744 2006-01-03 Roger Sayle <roger@eyesopen.com>
15746 * combine.c (reg_subword_p): New predicate to test whether the
15747 destination of a set refers to a subword/piece of a register.
15748 (try_combine): Generalize the code to merge the setting of a
15749 pseudo to a constant followed by a set of a subword of that
15750 register to a constant.
15752 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15754 * basic-block.h (control_flow_graph): Change the type of
15755 x_label_to_block_map to VEC(basic_block,gc) *.
15756 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15757 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15759 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15760 VEC(basic_block,heap) *.
15761 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15762 ssa_prop_fini): Adjust the uses of cfg_blocks.
15764 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15766 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15768 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15769 hashing trees instead of a pointer hash.
15770 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15771 compare for MEM_EXPR.
15773 PR rtl-optimization/25130
15774 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15775 when comparing MEMs for GCSE
15777 2006-01-03 Ben Elliston <bje@au.ibm.com>
15779 * targhooks.h (default_decimal_float_supported_p): Declare.
15780 * targhooks.c (default_decimal_float_supported_p): Define.
15781 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15782 `default_decimal_float_supported_p'.
15783 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15785 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15787 * combine.c (apply_distributive_law <SUBREG>): Check
15788 TRULY_NOOP_TRUNCATION.
15790 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15792 * dwarf2out.c (have_switched_text_section): Delete.
15793 (have_multiple_function_sections): New.
15794 (have_location_lists): Make 'bool'.
15795 (add_AT_loc_list): Use 'true' not '1'.
15796 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15797 (output_loc_list): Use have_multiple_function_sections.
15798 (output_ranges): Likewise.
15799 (dwarf2out_begin_function): Set have_multiple_function_sections if
15801 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15802 Check function_section rather than DECL_SECTION_NAME.
15803 (dwarf2out_finish): Use have_multiple_function_sections.
15804 Don't clear have_location_lists.
15806 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15807 Jan Hubicka <jh@suse.cz>
15809 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15810 case of conditional jump jumping to the next instruction.
15811 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15812 cases of conditional jump jumping to the next instruction.
15814 2006-01-02 Jan Hubicka <jh@suse.cz>
15816 * i386.c (*_cost): Add COSTS_N_INSNS.
15817 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15819 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15822 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15824 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15826 * config/arm/arm.c (all_fpus): Fix comment typo.
15827 * config/darwin.c: Likewise.
15828 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15829 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15830 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15832 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15834 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15835 (rs6000_split_compare_and_swapqhi): New.
15836 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15837 (sync_compare_and_swapqhi_internal): New.
15838 * config/rs6000/rs6000-protos.h: Declare.