1 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5 whether registers live on the edge can be saved/restored.
7 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
9 * config/sh/sh.c (fixup_mova): Skip notes.
11 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
13 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
14 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
15 (s390_can_eliminate): Handle BASE_REGNUM elimination.
16 (s390_initial_elimination_offset): Likewise.
17 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
18 register on TARGET_ZARCH targets.
19 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
20 (INITIAL_FRAME_POINTER_OFFSET): Remove.
21 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
22 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
24 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
26 * config/s390/s390.md: Comment describing output modifiers updated.
27 * config/s390/s390.c (print_operand): Likewise.
29 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
31 * config/s390/s390.c (override_options): Added check for -mstack-size
33 * doc/invoke.texi: Mention that limit in the documenation.
35 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
38 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
40 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
42 Fix PR tree-optimization/24231
44 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
45 (compute_avail): Ditto.
47 2005-10-18 Richard Henderson <rth@redhat.com>
50 * config/i386/i386.c (legitimate_constant_p): Check
51 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
53 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
54 (legitimate_pic_address_disp_p): Reorg CONST checking to make
55 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
57 (print_operand_address): Likewise.
58 * config/i386/predicates.md (x86_64_immediate_operand): Test
59 SYMBOL_REF_TLS_MODEL properly inside CONST.
60 (x86_64_zext_immediate_operand): Likewise.
61 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
62 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
63 * config/i386/i386-protos.h: Remove predicates.md entries.
65 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
67 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
68 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
70 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
71 Ian Lance Taylor <ian@airs.com>
74 * fold-const.c (fold_widened_comparison): Do not allow range based
75 constant folding when right operand cannot be unwidened.
77 2005-10-17 Richard Henderson <rth@redhat.com>
79 * builtins.c (expand_builtin_synchronize): Build a new-style asm
80 with a memory clobber.
82 2005-10-17 James E Wilson <wilson@specifix.com>
84 PR rtl-optimization/17356
85 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
88 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
90 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
91 the slot on an even boundary for any type with 16-byte alignment.
93 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
96 * md.texi (Modifiers) <%>: Clarify that % doesn't work
97 after register allocation.
99 2005-10-17 DJ Delorie <dj@redhat.com>
101 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
104 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
107 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
110 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
112 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
113 to 2 if it's already non-zero.
114 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
115 is set and warn about it if flag_schedule_insns is 1.
117 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
119 * config/crx/crx.md: Compare-and-branch instructions need to
122 2005-10-17 Uros Bizjak <uros@kss-loka.si>
125 * config/i386/i386.md (*pushdi2_rex64 splitter)
126 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
127 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
128 flow2 pass only when (optimize > 0 && flag_peephole2).
130 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
133 * gcc.c (have_c): New static variable.
135 (process_command): Remove declation of have_c.
136 Set have_o to 1 when handling -o.
137 (main): Add a fatel error if there are multiple
138 files specified and -o and -c/-S is passed witout
139 -combine or multiple languages.
141 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
143 Fix PR tree-optimization/22444
144 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
145 Assert that we don't hit something with subvars.
146 (setup_pointers_and_addressables): Don't add things with subvars,
147 because we'll already process the subvars for aliasing purposes.
149 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
152 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
153 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
154 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
155 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
156 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
157 swapped, alternatives for the R constraint.
160 * builtins.c (get_builtin_sync_mode): Make unlimited
161 mode_for_size request.
163 2005-10-15 Richard Henderson <rth@redhat.com>
165 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
166 (gimplify_expr): ... here.
167 (gimplify_compound_lval): Use it in initial scan loop. Allow
168 fb_lvalue in base expression.
170 2005-10-15 Richard Henderson <rth@redhat.com>
173 * builtins.c (expand_builtin_trap): Export.
174 * expr.h (expand_builtin_trap): Declare.
175 * expr.c (expand_assignment): Emit a trap for integral offsets
176 from registers that weren't reduced to bitpos.
178 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
179 (mark_array_ref_addressable): Remove.
180 * tree-flow.h (mark_array_ref_addressable): Remove.
181 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
183 2005-10-15 James E Wilson <wilson@specifix.com>
186 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
187 (add_dependence_list_and_free): Likewise.
188 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
191 2005-10-15 Diego Novillo <dnovillo@redhat.com>
195 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
196 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
198 (vrp_visit_phi_node): Only prevent infinite iterations when
199 the previous result and the new result are both VR_RANGEs.
201 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
203 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
206 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
209 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
212 2005-10-14 Per Bothner <per@bothner.com>
214 PR preprocessor/21250
215 * c-ppoutput.c (print_line): Print internal line 0 as 1.
217 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
220 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
221 overflow flags. Refactor some conditionals.
223 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
226 * tree-dfa.c (add_referenced_var): Only look at decls which
227 have TREE_CONSTANT or TREE_READONLY set instead of if
228 !TREE_PUBLIC or !TREE_CONSTANT.
230 2005-10-13 James E Wilson <wilson@specifix.com>
232 * doc/invoke.texi: For -x, add f95-cpp-input.
233 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
235 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
237 PR tree-optimization/24262
238 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
239 in loop all the time.
241 2005-10-12 Richard Henderson <rth@redhat.com>
244 * tree.h (DECL_TRANSPARENT_UNION): Remove.
245 * function.c (assign_parm_find_data_types): Don't support it.
246 * print-tree.c (print_node): Likewise.
247 * c-common.c (handle_transparent_union_attribute): Likewise.
248 Use build_duplicate_type.
249 * tree-inline.c (remap_type_1): Split out of remap_type;
250 properly remap aggregate fields.
251 (build_duplicate_type): New.
252 * doc/extend.texi (Variable Attributes): Remove documentation
253 for transparent_union.
255 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
258 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
259 (gen_stack_pointer_dec): Likewise.
261 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
265 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
267 (struct cxx): Add adjust_class_at_definition target hook.
268 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
269 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
270 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
271 hook_void_tree. Add to TARGET_CXX.
272 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
274 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
275 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
276 instead of attribute. Check for dllexport override. Warn if
277 inconsistent dll linkage. Don't lose old dllimport if decl has
278 had address referenced. Tweak lookup of dllimport atribute.
279 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
280 for target specific rules. Don't add dllimport attribute if
281 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
283 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
284 * varasm.c (initializer_constant_valid_p): Replace
285 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
289 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
290 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
291 (i[34567]86-*-mingw32*): Likewise.
293 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
294 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
296 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
297 C++-specific code. Change return value to bool.
298 (i386_pe_dllimport_p): Likewise.
299 (associated_type): Simplify and make language-independent
300 (i386_pe_encode_section_info): Replace override of ambiguous
301 dllimport symbol refs with a gcc_assert.
302 (i386_pe_valid_dllimport_attribute_p): Define.
303 * config/i386/winnt-cxx.c: New file. Define C++ versions of
304 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
305 i386_pe_adjust_class_at_definition.
306 * config/i386/winnt-stubs.c: New file. Define stub versions of
307 lang-specific functions.
308 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
309 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
310 i386_pe_adjust_class_at_definition.
311 (i386_pe_valid_dllimport_attribute_p): Declare.
312 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
313 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
314 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
317 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
318 dllimport attribute with test of DECL_DLLIMPORT_P.
320 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
322 * combine.c (make_extraction): Correct offset computation.
324 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
326 * config/cris/t-linux (LIMITS_H_TEST): Define.
328 2005-10-12 Richard Henderson <rth@redhat.com>
331 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
333 2005-10-12 Richard Guenther <rguenther@suse.de>
335 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
337 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
340 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
341 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
344 2005-10-12 Richard Guenther <rguenther@suse.de>
347 * varasm.c (output_constant): Correct typo from previous
350 2005-10-11 Ian Lance Taylor <ian@airs.com>
352 PR rtl-optimization/13931
353 * combine.c: Revert patch of 2003-05-14, and:
354 (try_combine): Only set elim_i1 and elim_i2 if the destination is
355 completely killed in the appropriate insn.
356 (distribute_notes): Don't skip multiple hard register test for
359 2005-10-11 Richard Henderson <rth@redhat.com>
362 * c-typeck.c (convert_for_assignment): Use build_constructor_single
363 to initialize a transparent union instead of a nop_expr.
365 2005-10-11 Richard Henderson <rth@redhat.com>
367 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
368 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
369 (tree_ssa_dce_loop): Call scev_reset.
372 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
373 * tree-ssa-dce.c: Include cfgloop.h.
374 (tree_ssa_dce_loop, pass_dce_loop): New.
375 * tree-pass.h (pass_dce_loop): Declare it.
376 * passes.c (init_optimization_passes): Use it.
378 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
381 * convert.c (convert_to_real): Revert 2005-10-05 patch.
382 Only apply the optimization for rounding builtins if the inner
383 cast is also an extension.
385 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
388 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
389 mark_new_vars_to_rename instead of update_stmt.
391 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
393 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
395 2005-10-11 Jakub Jelinek <jakub@redhat.com>
397 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
398 for setting MMX register to 0 rather than mmx.
400 2005-10-10 Steve Ellcey <sje@cup.hp.com>
403 * configure.ac: Move gas check from mips specific case to common case.
404 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
405 * configure: Regenerate
406 * doc/install.texi: Update.
408 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
411 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
413 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
415 * gcc.c (do_spec_1): Accept numeric characters in file name
418 2005-10-10 Nick Clifton <nickc@redhat.com>
420 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
421 describing the deleted arm_gen_rotated_half_load function.
423 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
425 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
428 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
430 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
432 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
433 (EXTRA_MULTILIB_PARTS): Define.
434 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
435 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
436 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
437 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
438 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
439 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
441 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
443 PR tree-optimization/24226
444 * tree-cfg.c (remove_bb): Clean up unreachable loops.
445 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
446 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
449 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
451 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
453 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
456 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
457 Rewrite for no need for the early clobber.
459 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
461 Merge from csl-arm-branch:
462 2005-09-07 Paul Brook <paul@codesourcery.com>
463 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
466 2005-04-30 Paul Brook <paul@codesourcery.com>
467 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
468 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
470 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
471 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
472 (arm_override_options): Use TARGET_AAPCS_BASED.
473 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
474 (PTRDIFF_TYPE): Use int for AAPCS.
475 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
476 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
477 (DEFAULT_SHORT_ENUMS): Delete.
478 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
480 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
481 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
482 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
483 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
485 2004-12-03 Mark Mitchell <mark@codesourcery.com>
486 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
488 2004-11-22 Mark Mitchell <mark@codesourcery.com>
489 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
491 2004-11-19 Mark Mitchell <mark@codesourcery.com>
492 * config.gcc (arm*-*-linux-gnueabi): Add it.
493 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
495 (TARGET_OS_CPP_BUILTINS): Likeiwse.
496 * config/arm/linux-eabi.h: New file.
497 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
498 (LINUX_TARET_LINK_SPEC): Likewise.
500 * config/arm/t-linux-eabi: New file.
502 2005-10-08 Steven Bosscher <stevenb@suse.de>
505 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
507 (PARAM_SMS_DFA_HISTORY): Likewise.
509 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
512 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
513 (load_register_parameters): Call it.
514 (check_sibcall_argument_overlap_1): Likewise.
515 (store_one_arg): Likewise.
517 2005-10-07 James E. Wilson <wilson@specifix.com>
519 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
520 DImode not VECINT24 for operand 2.
523 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
527 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
528 fr_spill): Use destination_operand for operand 0.
530 2005-10-07 DJ Delorie <dj@redhat.com>
532 * varasm.c (output_constant): Limit error to expanding
535 2005-10-07 Richard Guenther <rguenther@suse.de>
538 * fold-const.c (fold_binary): Fix operand types during folding
539 of X op (A, Y). Evaluation order of the side-effects of
540 X and A are frontend-defined, so ensure we honour that even for
541 tcc_comparison class operands; eased by removing duplicate code.
543 2005-10-07 Steve Ellcey <sje@cup.hp.com>
545 * stor-layout.c (layout_type): Do not allow alignment of array
546 elements to be greater than their size.
548 2005-10-07 Steve Ellcey <sje@cup.hp.com>
550 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
552 (hppa*-*-linux*): Ditto.
553 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
554 * config/host-hpux.c: New.
555 * config/x-hpux: New.
556 * config/pa/x-hpux: Remove.
557 * config/pa/x-linux: Remove.
558 * config/pa/pa-host.c: Remove.
560 2005-10-07 Jeff Law <law@redhat.com>
562 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
563 determine whether or not to try and thread outgoing edges.
565 2005-10-07 David Edelsohn <edelsohn@gnu.org>
567 * config/rs6000/rs6000.md (eqsi_power): New.
568 (neg_eq0si): Add TARGET_POWER to final condition.
571 2005-10-06 Richard Henderson <rth@redhat.com>
573 * config/rs6000/rs6000.c: Revert last change.
575 2005-10-06 Richard Henderson <rth@redhat.com>
577 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
578 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
580 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
584 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
585 out return_label and naked_return_label.
587 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
589 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
592 2005-10-06 Richard Henderson <rth@redhat.com>
595 * tree-inline.c (declare_return_variable): Handle modify_dest not
598 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
600 Fix PR tree-optimization/22488
601 * tree-ssa-structalias.c (check_for_overlaps): New function.
602 (create_variable_info_for): Use it.
604 2005-10-06 Richard Henderson <rth@redhat.com>
607 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
608 (dwarf2out_start_source_file): Print it.
610 2005-10-06 Geoffrey Keating <geoffk@apple.com>
612 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
614 2005-10-06 Richard Henderson <rth@redhat.com>
617 * mode-switching.c (optimize_mode_switching): Clear transp bit
618 for block with incomming abnormal edges.
620 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
621 (fpscr_set_from_mem): Use them.
622 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
623 (fpscr postinc splitters): Rewrite as peephole2+split.
625 2005-10-06 David Edelsohn <edelsohn@gnu.org>
627 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
628 (eq<mode>_compare): Same.
630 2005-10-06 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/24238
633 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
635 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
637 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
638 here. Use AC_PATH_PROG for environment variables instead of
640 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
642 * configure: Regenerated.
644 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
647 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
648 then force it into a register.
649 (call_value): Likewise.
651 2005-10-06 Richard Henderson <rth@redhat.com>
654 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
655 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
656 under pass_vectorize.
658 2005-10-05 Devang Patel <dpatel@apple.com>
661 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
662 handling constants. Check NAMESPACE_DECL context for constants.
664 2005-10-05 Eric Christopher <echristo@apple.com>
666 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
668 2005-10-05 Richard Henderson <rth@redhat.com>
671 * tree-cfg.c (mark_array_ref_addressable_1): New.
672 (mark_array_ref_addressable): New.
673 * tree-flow.h (mark_array_ref_addressable): Declare.
674 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
676 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
680 * reload.c (subst_reloads): When adding a REG_LABEL to a
681 jump instruction, also update JUMP_LABEL.
683 2005-10-05 David Edelsohn <edelsohn@gnu.org>
685 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
686 * bb-reorder.c (copy_bb_p): Use it.
687 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
689 2005-10-05 Richard Henderson <rth@redhat.com>
692 * toplev.c (process_options): Warn about unsupported combinations
693 of unwind tables and omit-frame-pointer.
694 * config/i386/i386.c (override_options): Similarly. Enable
695 accumulate-outgoing-args if not explicitly disabled.
697 2005-10-05 Steve Ellcey <sje@cup.hp.com>
699 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
700 Handle big endian vs. small endian.
701 (vec_initv2sf): Handle big endian vs. small endian.
702 (*vec_extractv2sf_1): Ditto.
704 2005-10-05 Dale Johannesen <dalej@apple.com>
706 * convert.c (convert_to_real): Don't convert
707 (float)floor(double d) to floorf((float)d).
709 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
711 * config/arm/arm.md (insv): Use gen_int_mode in more places.
713 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
715 PR tree-optimization/18587
716 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
717 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
718 build_vuses): Change to VEC type.
719 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
720 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
721 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
722 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
723 (get_name_decl): New. Return DECL_UID of base variable.
724 (operand_build_cmp): New. qsort comparison routine.
725 (operand_build_sort_virtual): New. Sort virtual build vector.
726 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
727 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
728 (FINALIZE_BASE): Use get_name_decl.
729 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
730 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
731 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
732 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
733 direct VEC_* manipulations.
734 (build_ssa_operands): Call operand_build_sort_virtual.
735 (copy_virtual_operand, create_ssa_artficial_load_stmt,
736 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
737 with direct VEC_* manipulations.
738 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
739 with direct VEC manipulations.
741 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
743 PR tree-optimization/21419
744 PR tree-optimization/24146
745 PR tree-optimization/24151
747 * c-typeck.c (readonly_error): Handle USE being lv_asm.
748 (build_asm_expr): Call it if outputs are read-only.
749 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
751 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
752 Paolo Bonzini <bonzini@gnu.org>
756 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
757 enable the instructions and not just the built-ins.
758 * doc/invoke.texi (x86 Options): Likewise.
760 2005-10-04 Geoffrey Keating <geoffk@apple.com>
762 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
764 * doc/invoke.texi (Option Summary): Correct spelling
765 of -mmacosx-version-min.
767 2005-10-04 Devang Patel <dpatel@apple.com>
769 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
772 2005-10-04 Steve Ellcey <sje@cup.hp.com>
774 * tree-vect-transform.c (vect_create_epilog_for_reduction):
775 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
777 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
779 * config/s390/s390.md ("TDSI","DP"): New mode macros.
780 ("TE","tg"): New mode attributes.
781 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
782 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
783 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
784 dword_mode and one for GPRmode.
786 2005-10-04 Ian Lance Taylor <ian@airs.com>
788 PR preprocessor/13726
789 * c-ppoutput.c (cb_include): Add comments parameter, and print out
790 any comments passed in.
792 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
794 * tree.c (annotate_with_file_line): Fix typo.
796 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
799 * builtins.c (fold_builtin_memcmp): When constructing the pointer
800 type used to access data in the inlined length == 1 case, use
801 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
802 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
804 2005-10-04 Uros Bizjak <uros@kss-loka.si>
806 * config/i386/i386.h (TARGET_FISTTP): Enable also for
807 TARGET_SSE3 and only for TARGET_80387.
808 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
809 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
810 Do not depend on TARGET_80387.
812 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
814 * tree.c (last_annotated_node): Change type to location_t*.
815 (annotate_with_file_line): Reflect the change of
816 last_annotated_node type.
818 2005-10-04 Richard Guenther <rguenther@suse.de>
821 * c-decl.c (grokdeclarator): Don't write to fields
824 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
827 * c-decl.c (finish_decl): Use set_user_assembler_name even for
829 * varasm.c (make_decl_rtl): If a register variable does not
830 have a set user assmbler name, error out.
831 Decode the asmspec is now name+1 bypassing '*'.
833 2005-10-04 Steven Bosscher <stevenb@suse.de>
835 PR tree-optimization/23049
836 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
837 of a COND_EXPR is folded before calling fold on the whole rhs of a
838 conditional assignment.
839 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
840 document that a COND_EXPR may appear there.
842 2005-10-03 Diego Novillo <dnovillo@redhat.com>
845 * tree-vrp.c (extract_range_from_assert): If the new numeric
846 range created out of the assertion contradicts the existing
847 numeric range of the ASSERT_EXPR variable, make the new range
850 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
852 * config/sh/sh.c (sh_register_move_cost): Add case for moving
853 from T_REGS to FP register class.
855 2005-10-03 Richard Henderson <rth@redhat.com>
858 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
859 before creating a new one.
861 2005-10-03 David Edelsohn <edelsohn@gnu.org>
863 * config/rs6000/t-aix43 (LDFLAGS): New.
864 * config/rs6000/t-aix52 (LDFLAGS): New.
866 2005-10-03 Ian Lance Taylor <ian@airs.com>
868 * gimplify.c (find_single_pointer_decl_1): New static function.
869 (find_single_pointer_decl): New static function.
870 (internal_get_tmp_var): For a formal variable, set restrict base
871 information if appropriate.
872 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
874 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
875 (DECL_GET_RESTRICT_BASE): Define.
876 (SET_DECL_RESTRICT_BASE): Define.
877 (decl_restrict_base_lookup): Declare.
878 (decl_restrict_base_insert): Declare.
879 (struct tree_decl_with_vis): Add based_on_restrict_p field.
880 * tree.c (restrict_base_for_decl): New static variable.
881 (init_ttree): Initialize restrict_base_for_decl.
882 (copy_node_stat): Copy restrict base information.
883 (decl_restrict_base_lookup): New function.
884 (decl_restrict_base_insert): New function.
885 (print_restrict_base_statistics): New static function.
886 (dump_tree_statistics): Call print_restrict_base_statistics.
888 2005-10-02 Diego Novillo <dnovillo@redhat.com>
891 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
894 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
897 * c-typeck.c (tagged_tu_seen): Rename to ...
898 (tagged_tu_seen_cache): this and add val field.
899 (comptypes): Move functional to comptypes_internal
900 and free tagged_tu_seen.
901 (comptypes_internal): New function and call comptypes_internal
902 instead of comptypes. Speed up by sibcalling
903 tagged_types_tu_compatible_p.
904 (alloc_tagged_tu_seen): New function
905 (free_all_tagged_tu_seen_up_to): New function.
906 (tagged_types_tu_compatible_p): Return the val of the seen two
908 Add that the two types are the same to tagged_tu_seen_base
909 if they are and call comptypes_internal instead of comptypes.
910 <case UNION_TYPE>: Speed up common type where the fields are
912 (function_types_compatible_p): Call comptypes_internal instead of
914 (type_lists_compatible_p): Likewise.
915 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
917 2005-10-02 Matthias Klose <doko@debian.org>
919 * doc/invoke.texi: Fix typo and speling error.
921 2005-10-01 Richard Henderson <rth@redhat.com>
923 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
925 2005-10-01 Mark Mitchell <mark@codesourcery.com>
927 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
928 using --start-group and --end-group.
930 2005-10-01 Diego Novillo <dnovillo@redhat.com>
932 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
933 FIXME note regarding quirky semantics.
935 2005-10-01 Diego Novillo <dnovillo@redhat.com>
938 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
939 non-null range as a last resort.
941 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
942 Diego Novillo <dnovillo@redhat.com>
945 * tree-vrp.c (extract_range_from_assert): For !=
946 assertions, only build an anti-range if LIMIT is a
949 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
951 * arm.md (movqi): On thumb when optimizing, handle loading from
952 memory by describing this as taking a subreg of a zero-extended load
953 into an SImode register.
956 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
958 * reload1.c (merge_assigned_reloads): Do not change any
959 RELOAD_FOR_OUTPUT_ADDRESS reloads.
961 2005-09-30 Geoffrey Keating <geoffk@apple.com>
963 * Makefile.in (LIPO_FOR_TARGET): Define.
964 (STRIP_FOR_TARGET): Define.
966 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
967 before creating new ones. Do symlinks before creating the actual
970 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
971 to work out which multilibs are actually being built.
973 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
975 * tree-vect-transform.c, config/ms1/ms1.md,
976 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
977 Follow spelling conventions.
978 * doc/invoke.texi, doc/md.texi: Fix typos.
980 2005-09-30 Andrew Macleod <amacleod@redat.com>
982 PR tree-optimization/21430
983 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
984 use operands, and set stmt pointer if need be.
985 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
986 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
989 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
992 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
994 2005-09-29 Mark Mitchell <mark@codesourcery.com>
996 * optabs.c (expand_binop): Initialize first_pass_p.
998 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1001 * c-decl.c (c_write_global_declarations_1): If any
1002 wrapup_global_declaration_2 call returned true, restart the loop.
1004 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1006 Fix PR tree-optimization/24117
1007 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1008 before considering whether to use anyoffset.
1010 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1014 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1016 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1018 (swap_commutative_operands_with_target): New.
1020 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1023 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1026 2005-09-29 Steven Bosscher <stevenb@suse.de>
1028 PR tree-optimization/23911
1029 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1030 and IMAGPART_EXPR too.
1032 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1035 * expmed.c (expand_shift): Move logic to reverse rotation
1036 direction when rotating by constants ...
1037 * optabs.c (expand_binop): ... here.
1038 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1039 (ix86_rotrdi3): New pattern.
1040 (rotldi3): Handle 32-bit mode.
1041 (ix86_rotldi3): New pattern.
1043 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1046 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1047 check for numbers that need no bit twiddle.
1049 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1051 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1052 multilib to be built.
1054 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1055 (stage1-start): Delete old libgcc and libunwind before moving
1056 anything into the stage directory.
1057 (stage2-start): Likewise.
1058 (stage3-start): Likewise.
1059 (stage4-start): Likewise.
1060 (stageprofile-start): Likewise.
1061 (stagefeedback-start): Likewise.
1062 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1063 header in tm_file and CPU-specific t-darwin in tmake_file.
1064 (i[34567]86-*-darwin*): Don't change tm_file.
1065 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1066 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1067 shared library stub for target OS version.
1068 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1069 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1070 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1071 (libgcc_s.%.dylib): New.
1073 (install-darwin-libgcc-stubs): New.
1074 (INSTALL_LIBGCC): New append.
1075 * config/i386/darwin-libgcc.10.4.ver: New.
1076 * config/i386/darwin-libgcc.10.5.ver: New.
1077 * config/i386/t-darwin: New.
1078 * config/rs6000/darwin-libgcc.10.4.ver: New.
1079 * config/rs6000/darwin-libgcc.10.5.ver: New.
1080 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1081 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1083 2005-09-28 Paul Brook <paul@codesourcery.com>
1085 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1088 2005-09-28 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/23853
1091 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1092 host_integerp to verify misalignment value.
1094 2005-09-28 Richard Henderson <rth@redhat.com>
1096 * builtins.c (get_builtin_sync_mode): New.
1097 (expand_builtin_sync_operation): Pass in mode argument.
1098 (expand_builtin_compare_and_swap): Likewise.
1099 (expand_builtin_lock_test_and_set): Likewise.
1100 (expand_builtin_lock_release): Likewise.
1101 (expand_builtin): Update to match.
1103 2005-09-28 Nick Clifton <nickc@redhat.com>
1105 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1106 formatting. Add check to PLUS case to ensure that the offset is
1107 within an acceptable range.
1109 * config/v850/v850.md (casesi): Disable the generation of the
1110 switch pattern as it is not being handled properly at the moment.
1112 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1113 for when the high words are identical.
1115 2005-09-27 Richard Henderson <rth@redhat.com>
1117 * pretty-print.c (pp_base_format): Fix typo for %>.
1119 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1120 Devang Patel <dpatel@apple.com>
1122 PR tree-optimization/23625
1123 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1124 LABEL_EXPR, assertion check.
1126 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1128 * optabs.c (no_conflict_move_test): Check if a result of a
1129 to-be-moved insn would be clobbered by an originally
1132 2005-09-27 Jeff Law <law@redhat.com>
1134 * passes.c (init_optimization_passes): Replace copy propagation
1135 passes immediately after DOM with phi-only copy propagation
1136 pases. Add phi-only copy propagation pass after first DOM pass.
1137 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1138 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1139 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1140 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1141 to init_copy_prop. Callers updated.
1142 (do_phi_only_copy_prop): New function.
1143 (pass_phi_only_copy_prop): New pass descriptor.
1145 2005-09-27 Nick Clifton <nickc@redhat.com>
1147 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1149 2005-09-26 Jason Merrill <jason@redhat.com>
1152 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1154 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1156 2005-09-26 James E Wilson <wilson@specifix.com>
1158 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1159 copyright. Add gcc copyright plus libgcc exception.
1160 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1162 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1164 2005-09-26 Jeff Law <law@redhat.com>
1166 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1167 about when to iterate.
1169 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1172 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1173 for __complex__ double in -mcpu=G5 mode.
1175 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1177 PR tree-optimization/23942
1178 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1179 * tree-scalar-evolution.c: Include params.h.
1181 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1182 follow_ssa_edge_in_condition_phi_branch,
1183 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1184 Change return type to t_bool. Use a parameter to limit the size of
1185 trees that are walked before stopping
1186 (analyze_evolution_in_loop): Initialize the limit to 0.
1187 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1188 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1190 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1193 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1194 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1196 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1198 * combine.c (make_extraction): Check for valid use of subreg.
1200 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1203 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1204 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1205 ("fist<mode>2_with_temp"): Use only register operands.
1207 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1209 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1210 CALL_INSN_FUNCTION_USAGE.
1212 2005-09-26 Richard Guenther <rguenther@suse.de>
1215 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1216 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1217 (ldst_entry): Use the hashtable instead of list-walking.
1218 (find_rtx_in_ldst): Likewise.
1219 (free_ldst_entry): Free the hashtable.
1220 (compute_ld_motion_mems): Create the hashtable.
1221 (trim_ld_motion_mems): Remove entry from hashtable if
1222 removing it from list.
1223 (compute_store_table): Likewise^2.
1224 (store_motion): Free hashtable in case we did not see
1227 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1229 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1230 and arg1 if we are passing them to fold_build2.
1232 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1235 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1238 2005-09-25 Richard Henderson <rth@redhat.com>
1240 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1241 SYMBOL_REF_TLS_MODEL to be correct.
1243 2005-09-24 Richard Henderson <rth@redhat.com>
1245 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1246 end of function. Reindent.
1248 2005-09-24 Ian Lance Taylor <ian@airs.com>
1250 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1251 NEGATE_EXPR/BIT_NOT_EXPR case.
1253 2005-09-24 Richard Henderson <rth@redhat.com>
1255 * c-common.c (handle_mode_attribute): When not modifying in place,
1256 create subtypes for enumerations.
1257 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1258 * gimplify.c (create_tmp_from_val): Likewise.
1260 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1262 * config/i386/i386.md (*tls_global_dynamic_64,
1263 *tls_local_dynamic_base_64): Add missing mode to call.
1264 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1266 2005-09-24 Jan Hubicka <jh@suse.cz>
1268 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1269 (cgraph_clone_node): Likewise.
1270 * cgraph.h (cgraph_clone_edge): Update prototype.
1271 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1272 duplicated prototypes; add updating argument.
1273 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1274 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1276 (cgraph_mark_inline_edge): Likewise.
1277 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1278 (cgraph_flatten_node): Likewise.
1279 (cgraph_decide_recursive_inlining): Likewise.
1280 (cgraph_decide_inlining_of_small_function): Likewise.
1281 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1283 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1284 Pete Steinmetz <steinmtz@us.ibm.com>
1286 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1287 (rldic.): Set type to "compare".
1289 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1290 mfjmpr for MFCTR/MFLR.
1291 (movdf_hardfloat64): Same.
1292 (movdf_softfloat64): Same. Correct order of store and move types.
1293 (movti_string): Set type to store_ux/load_ux.
1294 (load_multiple): Set type to load_ux.
1295 (store_multiple): Set type to store_ux.
1296 (movmemsi): Set type to store_ux.
1297 (output_cbranch direct_return): Set type to jmpreg.
1298 (stmw): Set type to store_ux.
1299 (lmw): Set type to load_ux.
1300 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1301 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1302 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1303 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1304 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1305 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1306 (rios1-fpstore): Increase latency to 3.
1307 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1308 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1310 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1311 Andrew Pinski <pinskia@physics.uc.edu>
1313 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1314 operand2 constraint to "b".
1315 (sync_<fetchop_name>di_internal): Same.
1316 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1318 (sync_old_<fetchop_name>di_internal): Same.
1319 (sync_new_<fetchop_name>si_internal): Same.
1320 (sync_new_<fetchop_name>di_internal): Same.
1322 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1325 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1326 case, define as macros.
1328 PR rtl-optimization/23837
1329 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1330 clobber / clobber match between dest and p->first.
1332 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1333 (no_conflict_move_test): Update comments.
1335 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1337 * doc/install.texi: Update URL for Jacks.
1338 * doc/sourcebuild.texi: Likewise.
1340 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1343 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1344 registers when choosing register preferences.
1345 (movdf_hardfloat64): Same.
1347 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1349 * expmed.c (expand_shift): Don't use the target of the rotate as
1350 target for the first expanded shift insn.
1351 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1353 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1355 PR tree-optimization/22438
1356 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1357 preserved iv rhs rewriting specially.
1359 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1361 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1362 estimate_only is true.
1363 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1364 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1365 tree-ssa-structalias.c
1366 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1367 ref_contains_indirect_ref.
1368 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1370 2005-09-21 DJ Delorie <dj@redhat.com>
1372 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1374 (mn10300_return_in_memory): Support variable size types also.
1375 (mn10300_pass_by_reference): Likewise.
1376 (mn10300_function_value): New.
1377 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1378 (FUNCTION_OUTGOING_VALUE): Likewise.
1379 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1380 * doc/invoke.texi: Document it.
1382 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1385 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1386 force integer op1 into register for XFmode compares.
1388 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1391 * expmed.c (alg_code): Add alg_impossible.
1392 (alg_hash_entry): Add cost.
1393 (synth_mult): Record alg_impossible in the hash table if
1394 multiplication by a given integer is impossble within the
1395 limit. Speed up using alg_impossible.
1397 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1399 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1400 argument. Allow and set any offset if needs_anyoffset is passed
1402 (get_constraint_for): Add argument here too.
1404 (do_structure_copy): Pass NULL to get_constraint_for.
1405 (handle_ptr_arith): Ditto.
1406 (find_func_aliases): Ditto.
1408 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1410 PR rtl-optimization/23898
1411 * output.h (get_attr_min_length): Declare.
1412 * final.c (get_attr_length_1): New function, broken out of:
1414 (get_attr_min_length): New function.
1415 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1416 (duplicate_computed_gotos): Likewise.
1417 * genattr.c (insn_min_length): Generate declaration.
1418 * genattrtab.c (min_fn, min_attr_value): New functions.
1419 (make_length_attrs): Generate insn_min_length.
1421 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1423 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1425 2005-09-20 Richard Henderson <rth@redhat.com>
1427 PR tree-optimization/24059
1428 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1431 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1433 * c.opt (fextended-identifiers): New.
1434 * c-opts.c (c_common_handle_option): Handle
1435 -fextended-identifiers.
1436 * doc/cpp.texi: Update documentation of extended identifiers.
1437 * doc/cppopts.texi (-fextended-identifiers): Document.
1439 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1441 PR tree-optimization/23929
1442 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1445 PR tree-optimization/23818
1446 * tree-stdarg.c (execute_optimize_stdarg): Call
1447 calculate_dominance_info.
1449 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1451 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1452 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1453 (compute_overlap_steps_for_affine_1_2): Use
1454 get_number_of_iters_for_loop.
1455 (analyze_subscript_affine_affine): Check whether difference is
1457 Use get_number_of_iters_for_loop.
1458 Check whether overlap occurs outside of bounds.
1459 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1461 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1463 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1464 base register if possible.
1466 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1468 PR tree-optimization/18463
1469 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1470 converting it directly is not possible.
1471 (chrec_convert_aggressive): New function.
1472 * tree-chrec.h (chrec_convert_aggressive): Declare.
1473 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1474 Fold chrec conversions aggressively if asked to.
1475 (instantiate_parameters): Modified because of changes in
1476 instantiate_parameters_1.
1478 2005-09-19 Richard Henderson <rth@redhat.com>
1480 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1481 (reduc_splus_v2df): New.
1483 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1485 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1486 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1488 2005-09-19 Richard Henderson <rth@redhat.com>
1490 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1493 2005-09-19 Richard Henderson <rth@redhat.com>
1495 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1496 (ia64_expand_dot_prod_v8qi): New.
1497 * config/ia64/ia64-protos.h: Update.
1498 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1499 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1500 sdot_prodv8qi, sdot_prodv4hi): New.
1501 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1503 2005-09-19 Richard Henderson <rth@redhat.com>
1506 * real.c (exact_real_truncate): Return false if the format cannot
1507 represent the number as a normal.
1509 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1510 for a memory source.
1512 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1514 * tree-ssa-operands.c (swap_tree_operands): Export.
1515 * tree.h (swap_tree_operands): Declare.
1516 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1517 Call swap_tree_operands.
1519 2005-09-19 Richard Henderson <rth@redhat.com>
1521 * tree-flow.h (merge_alias_info): Declare.
1522 * tree-ssa-copy.c (merge_alias_info): Export.
1523 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1524 (vect_create_data_ref_ptr): Use create_iv directly.
1525 (vectorizable_load): Use correct types for integer constants.
1526 (vect_generate_tmps_on_preheader): Likewise.
1527 (vect_gen_niters_for_prolog_loop): Likewise.
1529 2005-09-19 Steven Bosscher <stevenb@suse.de>
1531 PR rtl-optimization/23943
1532 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1534 2005-09-18 Jan Hubicka <jh@suse.cz>
1536 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1538 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1540 * varasm.c (output_constant): Do not abort on conversions to union
1541 types between different sizes.
1543 2005-09-18 Richard Guenther <rguenther@suse.de>
1546 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1549 2005-09-18 Paul Brook <paul@codesourcery.com>
1551 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1553 2005-09-17 Richard Henderson <rth@redhat.com>
1555 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1556 * tree-ssa-loop.c (pass_vect_dce): Remove.
1557 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1560 2005-09-17 Richard Henderson <rth@redhat.com>
1562 * tree-pass.h (pass_vect_dce): Declare.
1563 * passes.c (init_optimization_passes): Add it.
1564 * tree-flow.h (tree_ssa_dce): Declare.
1565 * tree-ssa-dce.c (tree_ssa_dce): Export.
1566 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1567 (gate_tree_vectorize): ... here.
1568 (pass_vect_dce): New.
1570 2005-09-17 Jan Hubicka <jh@suse.cz>
1572 * except.c (struct eh_status): Turn region_array into vec.
1573 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1574 convert_from_eh_region_ranges, find_exception_handler_labels,
1575 current_function_has_exception_handlers, assign_filter_values,
1576 build_post_landing_pads, dw2_build_landing_pads,
1577 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1578 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1579 foreach_reachable_handler, can_throw_internal_1,
1580 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1582 (duplicate_eh_region_1): Update region_array.
1583 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1585 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1588 * expmed.c (expand_mult): Substitute simple register for op0 when
1591 2005-09-17 Richard Henderson <rth@redhat.com>
1593 * expr.c (emit_move_via_integer): Add force argument, pass it on
1594 to emit_move_change_mode. Update callers.
1595 (emit_move_complex): Pass true to new force argument.
1596 * function.c (expand_function_end): Move expand_eh_return call
1597 earlier. Merge sub-word complex values into a pseudo before
1598 copying to the return hard register.
1600 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1602 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1603 between different sizes.
1605 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1609 * passes.c (init_optimization_passes): Register dump files for
1612 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1614 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1615 * config/s390/s390.c (s390_overlap_p): New function.
1616 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1617 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1620 2005-09-16 Richard Guenther <rguenther@suse.de>
1622 * ipa-pure-const.c (static_execute): Free auxiliar information.
1623 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1624 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1626 2005-09-15 DJ Delorie <dj@redhat.com>
1628 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1630 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1632 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1634 (swap_commutative_operands_with_target): New.
1636 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1638 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1641 (estimate_iters_using_array): New function.
1642 * tree-data-ref.h (estimate_iters_using_array): Prototype
1643 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1644 Use estimate_iters_using_array instead of analyze_array.
1646 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1648 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1651 2005-09-15 Michael Matz <matz@suse.de>
1653 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1655 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1657 PR tree-optimization/23835
1658 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1659 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1661 2005-09-14 Richard Henderson <rth@redhat.com>
1663 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1664 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1666 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1668 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1669 in the ARRAY_TYPE case.
1671 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1673 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1675 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1678 * tree-vect-transform.c (vectorizable_operation): Return false for
1679 scalar shift operations and for vector shift operations with
1680 non-invariant shift arguments. Use scalar tree operand op1 as
1681 a shift operand when vector shift insn pattern uses scalar shift
1683 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1685 2005-09-14 Olivier Hainque <hainque@adacore.com>
1687 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1688 value if it has side-effects.
1690 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1693 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1695 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1697 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1698 passed as NAME as if it were label at start of function code.
1700 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1702 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1705 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1707 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1708 as early clobber. Rewrite so the PIC register is not implicitly used.
1710 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1712 * tree.c (annotate_with_file_line): Compare line numbers before
1715 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1718 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1719 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1721 2005-09-13 Ian Lance Taylor <ian@airs.com>
1723 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1724 than a HOST_WIDEST_INT to gen_doloop_begin.
1726 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1728 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1730 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1732 PR tree-optimize/23817
1733 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1735 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1738 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1739 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1740 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1741 (restore_stack_nonlocal): Likewise.
1742 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1744 2005-09-12 Ian Lance Taylor <ian@airs.com>
1747 * c.opt (ffriend-injection): New C++ option.
1748 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1749 (C++ Dialect Options): Document -ffriend-injection.
1751 2005-09-12 Josh Conner <jconner@apple.com>
1754 * ipa-reference.c (static_execute): Don't mark variables in
1755 named sections TREE_READONLY.
1757 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1759 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1762 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1764 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1765 V_MUST_DEF instead of just the first_use_p.
1766 Don't mark the virtual variables for renaming on the statement which
1768 (pass_dse): Remove TODO_update_ssa.
1770 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1773 * stor-layout.c (compute_record_mode): For records with a single
1774 field, actually check the field's mode size against the type size.
1776 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1777 registers for TARGET_SHMEDIA.
1778 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1779 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1780 of GENERAL_REGS and FP_REGS.
1782 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1784 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1786 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1788 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1789 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1790 are omitted. Exclude stack_tie insn too.
1792 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1794 PR rtl-optimization/23098
1795 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1797 * config/rs6000/rs6000.md (movdf splitter): Use
1798 const_double_operand predicate for TARGET_POWERPC64.
1799 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1800 SYMBOL_REF method to ABI_V4.
1802 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1803 replace_equiv_address.
1804 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1805 rs6000_sr_alias_set and MEM_NOTRAP.
1806 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1808 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1810 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1811 handle CALL_EXPR again.
1813 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1815 * arm/predicates.md (alignable_memory_operand): Delete.
1817 2005-09-10 Richard Henderson <rth@redhat.com>
1820 * dbxout.c (dbxout_expand_expr): New.
1821 (dbxout_symbol): Use it.
1823 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1825 * arm.c (arm_gen_rotated_half_load): Delete.
1826 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1827 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1828 (thumb_set_return_address): Likewise.
1829 (thumb_load_double_from_address): Use adjust_address.
1830 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1831 (extendhsisi2_mem, movhi_bytes): Use change_address.
1832 (movhi): Use widen_memory_access.
1833 (reload_out_df): Use replace_equiv_address.
1834 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1836 2005-09-09 Richard Henderson <rth@redhat.com>
1839 * dbxout.c: Include expr.h.
1840 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1841 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1842 * Makefile.in (dbxout.o): Add EXPR_H.
1844 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1846 PR tree-optimization/23509
1847 * tree-cfg.c (replace_uses_by): Use replace_exp.
1848 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1849 pointers have name_mem_tag or type_mem_tag set.
1851 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1853 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1854 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1855 of wrongly accessing operands.
1857 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1859 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1860 * tree-chrec.c: Include tree-scalar-evolution.h.
1861 (chrec_convert): Instantiate the base and step before calling
1862 scev_probably_wraps_p that would fail on parametric evolutions.
1863 Collect all the fails into a single section failed_to_convert,
1864 print a diagnostic, and return chrec_dont_know instead of calling
1866 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1867 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1869 (scev_const_prop): Don't replace the definition of a loop closed ssa
1870 phi node by itself, or by another loop closed ssa phi node.
1871 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1872 that base and step are defined.
1874 2005-09-09 Richard Guenther <rguenther@suse.de>
1877 * fold-const.c (fold_ternary): Check truth_value_p before
1878 calling invert_truthvalue.
1880 2005-09-09 Nick Clifton <nickc@redhat.com>
1882 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1883 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1884 dimension of these arrays.
1885 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1887 * longlong.h: Only provide a prototype for the __clz_tab[] array
1888 if this header has not been included from libgcc2.h.
1889 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1891 Provide prototypes for exported functions.
1892 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1895 2005-09-08 Josh Conner <jconner@apple.com>
1899 * expr.c (expand_expr_addr_expr_1): Don't invoke
1900 expand_simple_binop for EXPAND_INITIALIZER.
1902 2005-09-08 Richard Henderson <rth@redhat.com>
1905 * toplev.c (wrapup_global_declaration_1): Split out ...
1906 (wrapup_global_declaration_2): ... from ...
1907 (wrapup_global_declarations): ... here. Return bool.
1908 (check_global_declaration_1): Split out ...
1909 (check_global_declarations): from here.
1910 (emit_debug_global_declarations): New.
1911 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1912 check_global_declaration_1, emit_debug_global_declarations): Declare.
1913 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1914 of decls. Call wrapup_global_declaration_1,
1915 wrapup_global_declaration_2, check_global_declaration_1 directly.
1916 (c_write_global_declarations_2): New.
1918 (c_write_global_declarations): Call c_write_global_declarations_2.
1919 * langhooks.c (write_global_declarations): Call
1920 emit_debug_global_declarations.
1922 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1923 remove decls that have DECL_RTL_SET_P.
1924 * passes.c (rest_of_decl_compilation): Invoke
1925 cgraph_varpool_finalize_decl for all but functions.
1927 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1929 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1930 the result of a conversion if the new min and max cannot be compared.
1932 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1934 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1935 (override_options): Setting s390_sr_alias_set removed.
1936 (save_fpr, save_gprs): Set alias set to vararg or frame.
1937 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1938 s390_sr_alias_set with get_frame_alias_set ().
1939 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1940 get_varargs_alias_set ().
1942 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1946 * c-parser.c (c_parser_objc_method_definition): If the next
1947 token is not "{", error out and don't start the function.
1949 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1951 * tree-vrp.c (extract_range_from_expr): Move the check for non
1952 nullness after the check for gimple invariant.
1954 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1956 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1958 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1961 * config/m32r.md (movmemsi_internal): Canonicalize order of
1962 operands in PLUS component of template.
1964 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1966 * reload1.c (fixup_eh_region_note): Remove assertion.
1967 (fixup_abnormal_edges): Reverted removal of call to
1968 find_many_sub_basic_blocks made on 2005-08-31.
1970 2005-09-07 Richard Henderson <rth@redhat.com>
1972 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1973 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1974 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1975 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1976 rearrange for better packing.
1977 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1978 (lookup_cfa_1): Remove inline marker.
1979 (cfa_equal_p): Split out of ...
1980 (def_cfa_1): ... here. Use INVALID_REGNUM.
1981 (build_cfa_loc): Handle !cfa->indirect.
1982 (frame_pointer_cfa_offset): New.
1983 (dbx_reg_number): Assert register elimination performed; do
1984 leaf register remapping.
1985 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1986 (eliminate_reg_to_offset): New.
1987 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1988 for verifiably local stack frame addresses; re-base to CFA.
1989 (mem_loc_descriptor): Remove can_use_fbreg argument.
1990 (concat_loc_descriptor, loc_descriptor): Likewise.
1991 (containing_function_has_frame_base): Remove.
1992 (rtl_for_decl_location): Don't do register elimination or
1993 leaf register remapping here.
1994 (secname_for_decl): Split out from ..
1995 (add_location_or_const_value_attribute): ... here.
1996 (convert_cfa_to_loc_list): New.
1997 (compute_frame_pointer_to_cfa_displacement): New.
1998 (gen_subprogram_die): Use them.
1999 * tree.h (frame_base_decl): Remove.
2000 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2001 (prologue_stack_adjust): Remove.
2002 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2003 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2004 (set_frame_base_location): Remove.
2005 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2006 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2007 (vt_add_function_parameters): Don't eliminate_regs.
2008 (vt_initialize): Don't create frame_base_decl.
2010 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2012 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2013 version of GNU binutils for 4.x and later.
2015 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2017 * ggc-page.c (ggc_push_context): Remove.
2018 (ggc_pop_context): Likewise.
2019 * ggc.h (ggc_push_context): Remove.
2020 (ggc_pop_context): Likewise.
2022 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2025 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2026 returning from an interrupt handler.
2028 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2031 * config/arc/arc.c (output_shift): Add check for loop count when
2034 2005-09-06 Steven Bosscher <stevenb@suse.de>
2036 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2038 (abs_replacement): Likewise.
2039 (pass_phiopt): Remove TODO_update_ssa.
2041 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2044 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2045 if "return with no value, in function returning non-void" warning
2047 * tree-cfg.c (execute_warn_function_return): Don't look at
2048 RETURN_EXPRs with TREE_NO_WARNING set.
2051 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2052 for internal functions doesn't use registers used by global registers
2053 variables. Use fewer register parameters if there are global register
2056 2005-09-06 Olivier Hainque <hainque@adacore.com>
2057 Eric Botcazou <ebotcazou@adacore.com>
2060 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2061 when we would be extracting outside its bit span (bitpos+bitsize
2062 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2063 Ada unchecked conversions.
2065 2005-09-06 Steven Bosscher <stevenb@suse.de>
2067 * tree-ssa-pre.c (try_look_through_load): New function.
2068 (compute_avail): Use it to try to look through loads for some
2069 more useful expressions.
2071 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2073 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2074 condition for detecting cases like (a&a) and (a^a).
2076 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2078 * common.opt: Add option ftree-vect-loop-version.
2079 * params.def: Add --param vect-max-version-checks.
2080 * doc/invoke.texi: Document ftree-vect-loop-version and
2081 --param vect-max-version-checks.
2082 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2083 may_misalign_stmts and defines for accessors.
2084 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2085 LOOP_VINFO_MAY_MISALIGN_STMTS.
2086 (destroy_loop_vec_info): VEC_free for
2087 LOOP_VINFO_MAY_MISALIGN_STMTS.
2088 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2089 Update documentation.
2090 (vect_update_misalignment_for_peel): New.
2091 (vect_enhance_data_refs_alignment): Update to choose loop
2092 peeling or loop versioning if appropriate for the (potentially)
2093 unaligned data references in the loop.
2094 (vect_analyze_data_refs_alignment): Remove call to
2095 vect_enhance_data_refs_alignment so the checks can be done
2097 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2098 and move up call to vect_analyze_data_refs_alignment.
2099 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2100 (vect_transform_loop): Add call to loop_version.
2102 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2104 PR rtl-optimization/23098
2105 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2106 * simplify-rtx.c (constant_pool_reference_p): New function.
2107 * rtl.h (constant_pool_reference_p): New prototype.
2108 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2109 constant_pool_reference_p in condition and
2110 avoid_constant_pool_reference in preparation statements.
2112 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2114 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2115 STRICT_LOW_PART SETs.
2117 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2120 * except.c (sjlj_emit_function_enter): Find the function begin
2121 note even when it's not in first basic block.
2123 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2125 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2126 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2127 * aclocal.m4: Regenerate.
2129 2005-09-05 DJ Delorie <dj@redhat.com>
2131 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2134 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2136 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2137 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2138 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2139 Follow spelling conventions.
2140 * doc/invoke.texi: Follow spelling conventions.
2142 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2144 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2145 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2146 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2148 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2151 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2152 (output_stack_adjust): Use gen_tmp_stack_mem.
2153 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2154 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2155 (sh_get_pr_initial_val): Likewise.
2156 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2157 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2158 * sh.md (divsi_inv_m0): Use gen_const_mem.
2159 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2160 (movdf_i4+1): Use gen_tmp_stack_mem.
2161 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2162 (fpu_switch+2): Likewise.
2163 (movv4sf_i, movv16sf_i): Use adjust_address.
2164 (symGOT_load): Set MEM_NOTRAP_P bit.
2166 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2169 * pa.c (emit_move_sequence): Fix typo in last change.
2171 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2173 PR rtl-optimization/23454
2174 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2177 2005-09-03 Richard Henderson <rth@redhat.com>
2178 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2181 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2184 2005-09-02 Nicolas Pitre <nico@cam.org>
2186 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2187 to bit_count to 32 bits.
2189 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2192 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2193 generating synthetic loads from volatile lvalues.
2195 005-09-02 Nick Clifton <nickc@redhat.com>
2197 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2198 __ctzhi2, __clzhi2): New functions.
2200 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2203 * tree-nested.c (struct var_map_elt): Mark with GTY.
2204 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2206 (lookup_field_for_decl): Allocate new element in GC memory.
2207 (lookup_tramp_for_decl): Likewise.
2208 (convert_nl_goto_reference): Likewise
2209 (create_nesting_tree): Allocate info in GC memory. Likewise for
2211 (free_nesting_tree): Free with ggc_free instead of free.
2212 (root): New static variable.
2213 (lower_nested_functions): Remove root as local variable. And zero out
2214 root at the end of the function.
2216 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2218 PR rtl-optimization/20365
2219 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2220 to short. New member ix.
2221 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2222 (simplify_plus_minus): Initialize ix members before calling qsort.
2224 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2226 PR tree-optimization/23626
2227 * tree-cfg.c (replace_uses_by): Clean up eh info.
2229 2005-09-01 DJ Delorie <dj@redhat.com>
2231 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2234 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2236 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2237 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2240 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2242 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2243 do not issue warning for a variable definition following
2246 2005-09-01 Richard Henderson <rth@redhat.com>
2249 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2250 conversion to CONST_VECTOR.
2252 2005-09-01 Richard Henderson <rth@redhat.com>
2255 * reload1.c (reload_as_needed): Check !CALL_P before calling
2256 fixup_eh_region_note.
2257 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2259 2005-09-01 DJ Delorie <dj@redhat.com>
2261 * varasm.c (output_constant): Let the target resolve
2262 conversions of addresses to non-default pointer sizes.
2264 2005-09-01 Nicolas Pitre <nico@cam.org>
2266 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2267 to alow matching ARM pre-indexed addressing mode.
2268 (arm_override_options): Remove now irrelevant comment.
2270 2005-09-01 Phil Edwards <phil@codesourcery.com>
2272 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2273 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2274 * config/i386/vxworks.h: Likewise.
2275 * config/i386/t-vxworksae: New file, for VxWorks AE.
2276 * config/i386/vxworksae.h: Likewise.
2278 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2280 PR tree-optimization/23410
2281 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2282 sequence is not wrapping during the first step.
2284 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2287 * dwarf2out.c (base_type_die): Compare char_type_node with
2288 TYPE_MAIN_VARIANT (type), not type.
2290 2005-09-01 Richard Guenther <rguenther@suse.de>
2292 PR tree-optimization/15366
2293 * common.opt: Add -finline-functions-called-once.
2294 Put -fearly-inlining in alphabetically ordered place.
2295 * doc/invoke.texi: Document new option.
2296 * ipa-inline.c (cgraph_decide_inlining): Honour
2297 flag_inline_functions_called_once.
2299 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2301 PR rtl-optimization/23478
2302 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2303 (alloc_qty): Initialize it.
2304 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2305 (combine_regs): Combine also n_throwing_calls_crossed fields.
2306 (find_free_reg): Don't attempt to caller-save pseudos crossing
2307 calls that might throw.
2308 * global.c (struct allocno): Add throwing_calls_crossed field.
2309 (global_alloc): Revert 2005-08-22 change. Initialize
2310 throwing_calls_crossed.
2311 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2314 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2317 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2318 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2319 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2320 (and64_2_operand): Tweak to use predicate.
2321 (and_operand): Adjust for mask_operand changes.
2322 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2323 (print_operand): Likewise.
2324 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2325 (mask64_1or2_operand): Delete.
2326 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2327 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2328 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2329 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2330 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2331 (rotldi3_internal4): Likewise.
2332 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2333 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2334 (ashldi3_internal7): Likewise.
2335 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2336 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2337 (anddi3 split): Don't match mask64_operand.
2338 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2339 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2340 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2341 't' splitter predicate.
2342 (movdi_internal64 + 2): Revert 2005-06-11 change.
2344 2005-08-31 DJ Delorie <dj@redhat.com>
2346 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2347 (m32c_asm_integer): Add support for 32 bit pointers.
2349 2005-08-31 Richard Henderson <rth@redhat.com>
2351 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2352 component-like references for setting MEM_NOTRAP_P.
2354 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2355 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2357 2005-08-31 Richard Henderson <rth@redhat.com>
2359 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2360 into a pseudo before applying gen_lowpart.
2362 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2364 * doc/install.texi (Specific): Update cctools version required
2365 for full functionality.
2366 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2367 linkers as -macosx_version_min.
2369 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2372 * sh.c (print_operand, %R and %S): Add handling of floating point
2373 registers, memory, constants and invalid operands.
2375 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2377 * ipa-pure-const.c: Change dump name.
2379 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2382 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2383 to "reg_or_0_operand".
2384 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2386 2005-08-31 Dale Johannesen <dalej@apple.com>
2388 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2389 loops that count down.
2391 2005-08-31 Richard Henderson <rth@redhat.com>
2394 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2395 (fixup_eh_region_note): New.
2396 (reload_as_needed): Call it.
2397 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2398 don't call find_many_sub_basic_blocks; call verify_flow_info.
2399 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2400 (keep_stack_depressed): Likewise.
2401 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2403 2005-08-31 Richard Henderson <rth@redhat.com>
2405 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2408 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2410 * expr.c (expand_expr_real_1): Compare size of address
2411 mode to target's address mode size in deciding expansion of
2412 the constant address.
2414 2005-08-31 Richard Guenther <rguenther@suse.de>
2417 * expr.c (all_zeros_p): New function.
2418 (expand_expr_real_1): Handle the case of an all-zero
2419 non-addressable constructor separately.
2421 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2423 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2424 arguments, adjust all callers.
2425 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2427 2005-08-30 Richard Henderson <rth@redhat.com>
2430 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2431 whenever the mode sizes match.
2433 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2435 * calls.c (load_register_parameters): Fix comment typo.
2436 * expr.c (emit_push_insn): Comment formatting.
2438 2005-08-30 Ian Lance Taylor <ian@airs.com>
2440 * config/i386/x-cygwin (host-cygwin): Change dependency from
2441 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2443 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2445 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2448 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2451 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2452 call to ggc_collect.
2454 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2457 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2458 beginning. Remove $(INCLUDES) from all the rules, if following
2459 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2461 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2464 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2465 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2466 not constant, but maxlen is, don't set len to maxlen, rather
2467 set maxlen to len if len is a constant.
2469 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2471 PR tree-optimization/23475
2472 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2475 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2477 Fix PR middle-end/22455
2479 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2480 Checksum only the parts of the tree that exist for the tree code.
2482 2005-08-28 Dale Johannesen <dalej@apple.com>
2484 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2486 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2488 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2490 2005-08-28 Richard Henderson <rth@redhat.com>
2492 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2493 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2496 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2499 * builtins.c (get_memory_rtx): Don't strip nops
2500 in between COMPONENT_REFs.
2502 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2505 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2507 (gimplify_modify_expr): Check for zero sized types and gimplify the
2508 rhs and lhs as statements.
2510 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2513 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2514 state for return address column of signal frames.
2516 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2519 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2520 bytes >= 2 not bytes == 2.
2521 (expand_block_move): Same.
2523 2005-08-27 Richard Guenther <rguenther@suse.de>
2526 * config/i386/sse.md (sse2_movsd): Add missing closing
2529 2005-08-27 Paul Brook <paul@codesourcery.com>
2531 * genrecog.c (enum decision_type): Add DT_num_insns.
2532 (struct decision_test): Add u.num_insns.
2533 (add_to_sequence): Add DT_num_insns test.
2534 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2535 (write_cond, debug_decision_2): Ditto.
2536 (change_state): Assume peep2_next_insn never fails.
2537 Remove "afterward" argument.
2538 (write afterward, write_tree): Update to match.
2539 * recog.c (peep2_current_count): New variable.
2540 (peep2_next_insn): Check it.
2541 (peephole2_optimize): Set peep2_current_count.
2542 * recog.h (peep2_current_count): Declare.
2544 2005-08-26 Josh Conner <jconner@apple.com>
2547 * ipa-pure-const.c (check_tree): Check for volatile-ness
2548 when considering a dereference.
2550 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2552 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2554 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2556 PR rtl-optimization/23561
2557 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2558 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2559 at most LEN bytes long memory fits into the field.
2560 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2561 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2562 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2564 2005-08-26 Richard Henderson <rth@redhat.com>
2567 * loop.c (biased_biv_may_wrap_p): New.
2568 (maybe_eliminate_biv_1): Use it to suppress non-equality
2569 comparison transformations. Delete disabled code.
2571 2005-08-26 Ian Lance Taylor <ian@airs.com>
2573 * combine.c (make_extraction): Avoid reference outside object.
2575 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2577 * stor-layout.c (finalize_type_size): Restore behaviour for
2578 non-aggregate types to the status quo ante of the patch for
2579 pr 23467. Document why it matters.
2581 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2584 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2585 array by one element, initialize the BT_LAST element with NULL.
2587 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2589 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2590 optimizing for size.
2592 (compare_plus_eqsi): Same.
2593 (plus_eqsi_compare): Same.
2594 (neg_eq0<mode>): Same.
2595 (neg_eq<mode>): Same.
2597 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2600 2005-08-26 Nick Clifton <nickc@redhat.com>
2602 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2603 TARGET_EP is not defined.
2604 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2605 TARGET_EP is enabled.
2606 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2607 * config/v850/v850.md (save_all_interrupt): Only use the EP
2608 register if TARGET_EP is defined.
2609 (restore_all_interrupt): Likewise.
2610 * config/v850/lib1funcs.asm: Update functions so that the EP
2611 register is only used if __EP__ is defined.
2613 2005-08-26 David Ung <davidu@mips.com>
2615 * config/mips/mips.c (mips_expand_prologue): Handle case when
2616 generating for MIPS16 and the outgoing argument area is more than
2617 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2620 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2622 * config/crx/crx.md: Make doloop_end pattern usage controllable
2623 via mloop-nesting=<max-nesting> command line switch. Make sure
2624 the combiner cannot use doloop_end_<mode> in an illegal way.
2625 * config/crx/crx.c: Use regs up to r6 for argument passing.
2626 Refine crx_address_cost (non cst4 displacements are expensive).
2627 * config/crx/crx.opt: Add switch for mloop-nesting=.
2629 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2631 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2632 (UNSPEC_MVST): New constant.
2634 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2636 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2637 Reject operands containing eliminable registers.
2638 * testsuite/gcc.dg/20050825-1.c: New testcase.
2640 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2641 Jan Hubicka <jh@suse.cz>
2643 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2645 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2647 PR tree-optimization/23546
2648 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2651 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2653 * params.def (PARAM_MIN_SPEC_PROB): New.
2654 * sched-rgn.c (MIN_PROBABILITY): Delete.
2655 (compute_trg_info): Convert to PARAM_VALUE.
2656 * doc/invoke.texi (param): Document min-spec-prob.
2658 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2660 * config/darwin.h: define __PIC__
2661 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2662 TARGET_OS_CPP_BUILTINS macro.
2664 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2666 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2669 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2671 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2673 * cfghooks.c (duplicate_block): Added position where to place
2674 new block as argument.
2675 * cfghooks.h (duplicate_block): Declaration changed.
2676 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2678 * cfglayout.h (copy_bbs): Declaration changed.
2679 * cfgloop.h (loop_version): Declaration changed.
2680 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2681 position to copy_bbs.
2682 (loop_version): Pass position to duplicate_loop_to_header_edge.
2683 Add place_after argument and position new blocks according to
2685 * modulo-sched.c (sms_schedule): Pass place_after argument
2687 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2688 * tree-cfg.c (split_edge_bb_loc): New function.
2689 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2690 to determine position of new blocks.
2691 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2693 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2694 argument to duplicate_block.
2695 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2696 Pass position to copy_bbs.
2698 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2700 * fold-const.c (ptr_difference_const): Use
2701 cst_and_fits_in_hwi instead of host_integerp.
2703 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2705 * config/darwin.c (gen_pic_offset): New.
2706 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2709 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2711 PR tree-optimization/23486
2712 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2714 2005-08-23 Phil Edwards <phil@codesourcery.com>
2716 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2717 remove use_collect2.
2718 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2720 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2721 configuration files to override the default value.
2723 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2724 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2725 * config/vx-common.h: New file, split out from...
2726 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2727 * config/vxworksae.h: New file, for VxWorks AE.
2728 * config/vxworks.opt: New file.
2729 * config/vxlib.c: Update for VxWorks 6.
2731 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2732 other MULTILIB_* variables appropriately.
2733 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2734 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2735 * config/rs6000/vxworks.h: Update for VxWorks 6.
2736 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2738 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2741 * config/darwin.c (machopic_select_section): Remove the hack to
2742 mark "::operator new" and "::operator delete" for coalescing
2743 even though they are not weak.
2745 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2747 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2748 * configure: Regenerate.
2750 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2753 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2755 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2756 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2759 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2761 * config/rs6000/predicates.md (equality_operator): New.
2762 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2763 comparison with a large constant.
2765 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2767 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2769 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2771 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2772 registers is even, and we have a hardware double precision fp,
2774 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2775 size of current argument when checking if argument was passed in
2778 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2781 * stor-layout.c (finalize_type_size): Dont override
2782 existing alignment with a smaller alignment from the mode.
2784 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2786 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2787 * lambda.h (lambda_vector_lexico_pos): ... here.
2788 * tree-data-ref.c (build_classic_dist_vector): Return false when
2789 the distance vector is lexicographically negative.
2791 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2793 PR tree-optimization/23511
2794 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2795 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2797 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2799 PR tree-optimization/22043
2800 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2801 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2802 If ALLOW_FLEXARR, handle types ending with flexible array member.
2803 Pass false as second argument to recursive count_type_elements calls.
2804 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2805 argument to count_type_elements call.
2806 * tree-sra.c (decide_block_copy): Likewise.
2807 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2808 for a constant-sized object, set cleared as well. Pass true as
2809 second argument to count_type_elements call.
2811 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2814 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2815 from legitimate_small_data_p, and make global. Update use.
2816 Remove forward declaration.
2817 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2819 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2821 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2823 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2824 of scratch intermediates.
2825 (eq<mode>_compare): Same.
2826 (neg_eq0<mode>): New.
2827 (neg_eq<mode>): Convert to define_insn_and_split.
2829 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2832 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2833 stdarg functions, set/clear the fp marker even when no variable
2835 * config/rs6000/sysv4.opt (mprototype): Describe.
2837 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2839 PR rtl-optimization/23478
2840 * regs.h (reg_info): Add throw_calls_crossed.
2841 (REG_N_THROWING_CALLS_CROSSED): Define.
2842 * flow.c (allocate_reg_life_data): Initialize
2843 REG_N_THROWING_CALLS_CROSSED.
2844 (propagate_one_insn, attempt_auto_inc): Update
2845 REG_N_THROWING_CALLS_CROSSED.
2846 * global.c (global_alloc): Don't allocate pseudos across
2847 calls that may throw.
2849 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2852 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2853 value is inbetween the range if we did not find an exact match.
2855 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2857 * doc/invoke.texi (Option Summary): Add ms1 options.
2858 * doc/extend.texi: Document interrupt handler attribute for ms1.
2859 * doc/md.texi: Document ms1 constraints.
2860 * config.gcc: Add ms1-*-elf.
2861 * config/ms1/ms1.h: New.
2862 * config/ms1/ms1.c: New.
2863 * config/ms1/ms1.md: New.
2864 * config/ms1/ms1-protos.h: New.
2865 * config/ms1/ABI.txt: New.
2866 * config/ms1/crti.asm: New.
2867 * config/ms1/crtn.asm: New.
2868 * config/ms1/lib2extra-funcs.c: New.
2869 * config/ms1/t-ms1: New.
2870 * config/ms1/ms1.opt: New.
2872 2005-08-22 Ira Rosen <irar@il.ibm.com>
2874 * config/rs6000/altivec.md (xorv4sf3): New.
2875 (negv4sf2, neg<mode>2): Likewise.
2877 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2880 * config/ia64/ia64.md (divsi3): Check divide by zero.
2881 (udivsi3): Likewise.
2883 (udivdi3): Likewise.
2885 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2887 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2888 up to elem_bitsize bits, not max_bitsize.
2890 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2892 PR tree-optimization/23433
2893 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2894 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2896 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2898 PR tree-optimization/23434
2899 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2900 the iteration bound is not an INTEGER_CST.
2902 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2904 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2905 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2906 NULL if need_epilog_adjust is false.
2907 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2908 Case 3 always peels first itration, not just for PLUS case, and no need
2909 to use scalar_initial_def here. Create an epilog adjustment only if
2910 scalar_initial_def is not NULL.
2912 (vectorizable_reduction): Remove assert.
2914 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2917 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2918 (__moddi3): Likewise.
2919 (__udivdi3): Likewise.
2920 (__umoddi3): Likewise.
2921 (__divsi3): Likewise.
2922 (__modsi3): Likewise.
2923 (__udivsi3): Likewise.
2924 (__umodsi3): Likewise.
2926 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2928 * tree-pass.h (TDF_GRAPH): Define.
2929 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2930 * passes.c (finish_optimization_passes): Only call
2931 finish_graph_dump_file if TDF_GRAPH is set.
2932 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2933 NULL. Set TDF_GRAPH bit.
2934 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2936 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2938 * arm.h (arm_stack_offsets): Add locals_base field.
2939 * arm.c (arm_get_frame_offsets): Compute it.
2940 (thumb_compute_initial_elimination offset): Make the Thumb frame
2941 pointer point to the base of the local variables.
2942 (thumb_expand_prologue): Update accordingly.
2943 (thumb_expand_epilogue): Likewise.
2945 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2946 mode of clobbered scratch to DImode. Handle a case that's known to
2949 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2951 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2952 (gt0<mode>_compare): Delete.
2953 (neg_gt0<mode>): Delete.
2955 2005-08-19 Eric Christopher <echristo@apple.com>
2957 * optabs.h: Change CTI_ to COI_.
2960 2005-08-19 James E Wilson <wilson@specifix.com>
2962 * builtins.c (expand_builtin_return_addr): Set
2963 current_function_accesses_prior_frames when count != 0. Use
2964 frame_pointer_rtx when count == 0.
2965 * function.h (struct function): Add accesses_prior_frames field.
2966 (current_function_accesses_prior_frames): Define.
2967 * reload1.c (init_elim_table): Check
2968 current_function_accesses_prior_frames.
2969 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2971 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2973 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2974 indicator. Return true if the flowgraph changed during
2977 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2980 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2981 conditional expression before testing its value.
2983 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2985 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2987 2005-08-19 Devang Patel <dpatel@apple.com>
2989 PR tree-optimization/23048
2990 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2991 third parameter. Check whether latch is dominated by exit
2993 (if_convertible_loop_p): Supply exit block itself to
2994 if_convertible_bb_p.
2996 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2999 * arm.md (arm_load_pic_register): Change argument to the mask of
3000 saved registers. Call thumb_find_work_register if we need a
3001 scratch register on Thumb.
3002 (arm_expand_prologue): Pass empty register set to
3003 arm_load_pic_register.
3004 (thumb_expand_prologue): Pass live_regs_mask directly to
3005 arm_load_pic_register.
3006 * arm-protos.h (arm_load_pic_register): Update prototype.
3008 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3010 * sh.c (find_sole_member): New function.
3011 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3012 if the record's alignment is larger than the size of its only member.
3014 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3017 * arm.c (thumb_legitimize_reload_address): New function.
3018 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3019 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3021 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3023 * config/crx/crx.c: Implement crx_decompose_address. Reject
3024 symbolic displacements since CRX register relative adressing
3025 mode can't handle unsigned 32-bit values as displacements.
3026 * config/crx/crx.h: Simplify definitions, remove redundant
3027 parenthesis and obsolete macros.
3028 * config/crx/crx.opt: Add new switch for debugging addresses.
3029 * config/crx/crx-protos.h: Add new declarations for above.
3031 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3034 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3037 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3039 * collect2.c (dup2): Delete.
3040 * configure.ac: Don't check for dup2.
3042 * config.in, configure: Regenerate.
3044 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3046 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3047 record with the type of its only member.
3049 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3051 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3052 define_insn_and_split.
3053 (plus_ltu<mode>_compare): Same.
3054 (gtu<mode>_compare): Same.
3055 (plus_gtu<mode>_compare): Same.
3057 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3059 PR tree-optimization/22228
3060 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3062 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3063 are recorded in vect_vnames_to_rename for renaming.
3064 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3065 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3066 in vect_vnames_to_rename.
3067 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3068 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3070 2005-08-18 Jan Hubicka <jh@suse.cz>
3073 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3074 info only for local statics, not for member variables.
3076 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3078 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3080 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3082 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3084 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3087 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3089 2005-08-17 James E Wilson <wilson@specifix.com>
3091 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3094 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3096 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3097 (leu<mode>_compare): Same.
3098 (plus_leu<mode>): Same.
3099 (neg_leu<mode>): Same.
3100 (and_neg_leu<mode): Same.
3101 (ltu<mode>_compare): Same.
3102 (plus_ltu<mode>): Same.
3104 (geu<mode>_compare): Same.
3105 (plus_geu<mode>): Same.
3106 (neg_geu<mode>): Same.
3107 (and_neg_geu<mode>): Same.
3108 (plus_gt<mode>): Same.
3109 (gtu<mode>_compare): Same.
3110 (plus_gtu<mode>): Same.
3112 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3114 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3115 Move call_table_data to end. Delete spurious .text.
3116 (callt_save_all_interrupt): Fix comment typo.
3118 2005-08-17 James E Wilson <wilson@specifix.com>
3119 Kevin Winchester <winchester@amirix.com>
3122 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3124 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3127 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3128 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3130 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3132 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3133 record with the type of its only member if the modes don't match.
3135 * varasm.c (decode_reg_name): Skip empty additional register names.
3137 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3139 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3140 lsm_tmp_name_length): New.
3141 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3142 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3144 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3145 Andreas Krebbel <krebbel1@de.ibm.com>
3147 * config.gcc: Added z9-109 switch.
3148 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3149 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3150 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3151 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3152 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3153 for "z9_109" cpu attribute.
3154 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3155 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3156 (s390_handle_arch_option): Added z9-109 switch.
3157 (override_options): Set respective cost function for z9-109.
3158 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3159 (legitimate_reload_constant_p): Accept extended immediates.
3160 (print_operand): Three new output modifiers added: k, m and o.
3161 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3162 (s390_output_mi_thunk): Use extended immediate when possible.
3163 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3164 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3165 (CONSTRAINT_LEN): Added length of O constraint.
3166 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3167 * config/s390/s390.md ("cpu"): New value z9_109 added.
3168 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3169 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3170 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3171 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3172 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3173 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3174 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3175 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3176 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3177 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3178 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3179 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3180 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3181 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3182 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3184 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3185 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3186 insns for TARGET_EXTIMM.
3188 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3190 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3192 2005-08-17 Nick Clifton <nickc@redhat.com>
3194 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3195 Call default_encode_section_info.
3197 2005-08-17 Steven Bosscher <stevenb@suse.de>
3199 PR tree-optimization/21574
3200 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3201 constant, return CONSTANT.
3202 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3203 (ccp_fold, visit_assignment): Likewise.
3204 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3206 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3208 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3209 fold_buildN instead of buildN then fold_initializer or fold.
3210 (build_unary_op): Likewise.
3211 (build_binary_op): Likewise.
3212 * fold-const.c (fold_initializer): Remove.
3213 (fold_build1_initializer): New function.
3214 (fold_build2_initializer): New function.
3215 (fold_build3_initializer): New function.
3216 * tree.h (fold_initializer): Remove.
3217 (fold_build1_initializer): New function.
3218 (fold_build2_initializer): New function.
3219 (fold_build3_initializer): New function.
3221 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3223 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3224 (try_move_mult_to_index): Call fold_build2 instead of build2.
3225 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3226 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3227 fold_binary_to_constant.
3228 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3230 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3231 check if A == gcd (A, B). Remove TYPE argument.
3232 (analyze_offset) Use fold_build2 instead of fold (build.
3233 (create_data_ref): Likewise.
3234 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3235 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3238 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3240 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3241 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3243 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3246 * gimplify.c (zero_sized_type): New function.
3247 (gimplify_modify_expr_rhs): If we have a zero sized type,
3248 replace the statement with an empty statement.
3250 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3252 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3255 2005-08-16 Ian Lance Taylor <ian@airs.com>
3257 * doc/tm.texi (Label Output): Correct typo.
3259 2005-08-16 Steven Bosscher <stevenb@suse.de>
3262 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3263 force_operand will work later on using have_insn_for.
3265 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3267 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3269 2005-08-16 Ian Lance Taylor <ian@airs.com>
3272 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3273 vector type, don't try to construct it element by element. Add an
3274 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3276 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3278 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3280 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3282 * doc/invoke.texi (Precompiled Headers): Document some more options
3283 which are known to be safe.
3285 2005-08-16 James E Wilson <wilson@specifix.com>
3287 PR tree-optimization/21105
3288 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3289 TREE_OVERFLOW check.
3291 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3293 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3294 (neg_ltu<mode>): Same.
3296 (neg_gtu<mode>): Same.
3298 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3300 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3301 (fold_builtin_isdigit): Use fold_buildN.
3302 (build_function_call_expr): Likewise.
3303 * c-typeck.c (c_finish_loop): Likewise.
3305 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3306 Richard Shann <rshann@superh.com>
3308 PR middle-end/20396:
3309 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3311 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3313 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3315 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3318 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3319 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3322 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3325 * fold-const.c (build_range_check): Disable optimization for function
3326 pointer expressions on targets that require function pointer
3329 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3331 * simplify-rtx.c (simplify_const_relational_operation): When
3332 extracting arguments of a COMPARE, recompute the mode as well.
3334 2005-08-15 Ian Lance Taylor <ian@airs.com>
3336 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3338 2005-08-15 DJ Delorie <dj@redhat.com>
3340 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3342 (movsi_splittable): Allow, but split, moves to the stack.
3343 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3346 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3348 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3349 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3350 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3352 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3353 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3354 Delete HOST_PTR_PRINTF.
3356 * configure, config.in: Regenerate.
3358 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3360 * config/rs6000/rs6000.md (QHSI): New mode macro.
3361 (wd): Extend mode attr for QImode and HImode
3362 (dbits): New mode attr.
3363 (zero_extend<mode>di2): Convert to mode macro.
3365 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3368 * doc/invoke.texi (-mgnu-ld): Update description.
3371 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3374 * Makefile.in (tree-chrec.o): Depends on real.h.
3375 * tree-chrec.c: Include real.h.
3376 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3377 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3378 * tree-scalar-evolution.c (add_to_evolution_1,
3379 interpret_rhs_modify_expr): Ditto.
3381 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3384 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3385 step is negative compute the estimation from init downwards to zero.
3387 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3389 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3391 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3393 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3395 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3396 Accept double-word constants that can be split.
3397 * config/s390/s390.md ("movti"): Use 'P' constraint.
3398 ("*movdi_31", "*movdf_31"): Likewise.
3400 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3402 Fix PR tree-optimization/22615
3404 * tree-ssa-structalias.c (solution_set_add): Handle
3405 first_vi_for_offset returning NULL.
3406 (do_da_constraint): Ditto.
3407 (do_sd_constraint): Ditto.
3408 (do_ds_constraint): Ditto
3409 (find_func_aliases): Ditto.
3410 (build_constraint_graph): RHS is allowed be ANYTHING.
3411 (first_vi_for_offset): Return NULL if we couldn't find anything at
3414 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3416 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3417 over memory as first operand.
3419 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3422 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3423 available for setting it.
3425 2005-08-14 Ira Rosen <irar@il.ibm.com>
3427 PR tree-optimization/23320
3428 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3429 data-refs' types instead of base object nullness. Add check for
3430 pointer type data-refs before first location comparison. Remove
3433 2005-08-14 Andreas Schwab <schwab@suse.de>
3435 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3437 2005-08-13 James E Wilson <wilson@specifix.com>
3439 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3440 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3441 -fstack-protector-all, --param ssp-buffer-size): Document.
3442 (-Wvariadic-macros): Alphabetize.
3443 (-fsched-stalled-insns-dep): Add missing 'f'.
3445 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3448 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3450 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3451 or indirect address operand.
3452 (EXTRA_ADDRESS_CONSTRAINT): New.
3453 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3455 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3457 PR tree-optimization/22236
3458 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3459 successors and predecessors.
3460 * tree-chrec.c (chrec_convert): Before converting, check that
3461 sequences don't wrap.
3462 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3463 (analyze_array): Extern.
3464 (find_data_references_in_loop): Remove call to
3465 compute_estimated_nb_iterations.
3466 * tree-data-ref.h (analyze_array): Declared.
3467 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3468 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3469 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3470 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3472 * tree-ssa-loop-ivcanon.c: Fix documentation.
3473 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3474 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3475 (infer_loop_bounds_from_undefined): New.
3476 (estimate_numbers_of_iterations_loop): Use
3477 infer_loop_bounds_from_undefined.
3478 (used_in_pointer_arithmetic_p): New.
3479 (scev_probably_wraps_p): Pass an extra parameter. Call
3480 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3481 (convert_step): Fix documentation.
3482 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3483 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3484 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3485 scev_probably_wraps_p.
3487 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3489 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3490 (s390_register_info): Ignore clobbered_regs information for fixed
3491 registers, and only fixed registers.
3492 (s390_init_frame_layout): Remove redundant call.
3494 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3496 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3497 description of -Wold-style-casts.
3499 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3500 Jakub Jelinek <jakub@redhat.com>
3502 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3503 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3504 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3505 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3506 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3507 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3508 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3509 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3510 ("stack_protect_set", "stack_protect_test"): New expanders.
3511 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3512 "stack_protect_testdi"): New insn definitions.
3514 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3516 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3518 2005-08-12 Paul Brook <paul@codesourcery.com>
3520 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3522 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3524 * config/s390/predicates.md (setmem_operand): New predicate.
3525 (shift_count_operand): Accept ANDs with special constants as
3527 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3528 with special constants.
3529 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3530 shift_count_operand with setmem_operand.
3532 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3534 * config/s390/s390.c (s390_extract_part, s390_single_part):
3536 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3537 (s390_output_mi_thunk): Don't use lg on 31 bit.
3538 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3539 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3541 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3543 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3544 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3545 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3546 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3547 with one of the new macros.
3549 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3551 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3552 Don't set save_return_addr_p.
3553 (s390_register_info): Make clobbered_regs not depending on
3556 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3558 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3559 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3561 2005-08-11 James E. Wilson <wilson@specifix.com>
3563 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3565 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3567 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3568 locations gathered by var-tracking in single entry loc_list
3569 over loc_descriptor_from_tree.
3571 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3572 pass it down to loc_descriptor.
3573 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3574 (containing_function_has_frame_base): Move earlier in the file.
3575 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3576 instead of always assuming fbreg can't be used.
3578 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3580 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3581 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3582 Accept address wrapped in AND for Altivec.
3583 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3584 Strip AND wrapping offset address for Altivec.
3586 2005-08-11 Richard Henderson <rth@redhat.com>
3589 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3590 before using TYPE_IS_SIZETYPE.
3592 2005-08-11 Richard Henderson <rth@redhat.com>
3595 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3596 insn types not present on ev4.
3597 (alphaev5_insn_pipe): Similarly.
3599 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3602 * arm.c (arm_override_options): If the user has selected callee-super-
3603 interworking, then enable normal interworking.
3605 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3607 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3610 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3612 * doc/rtl.texi: Fix two typos.
3614 2005-08-11 Richard Guenther <rguenther@suse.de>
3617 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3618 cases where we call to/from functions returning void.
3620 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3623 * tree.c (build_pointer_type_for_mode): Robustify.
3625 2005-08-10 James E Wilson <wilson@specifix.com>
3627 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3628 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3630 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3633 2005-08-10 Eric Christopher <echristo@apple.com>
3635 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3636 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3639 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3642 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3643 for the high part when generating dynamic-no-pic code.
3645 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3647 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3648 (x86_64-*-linux*): Likewise.
3650 * config/i386/crtfastmath.c: New file.
3651 * config/i386/t-crtfm: Likewise.
3653 * config/i386/linux.h (ENDFILE_SPEC): New.
3654 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3656 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3659 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3661 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3662 (vec_shl, vec_shr): Document new operations.
3663 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3665 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3667 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3668 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3669 change predicate to indexed_or_indirect_address.
3671 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3673 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3674 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3675 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3676 and __aeabi_uwrite8.
3677 * config/arm/unaligned-funcs.c: New file.
3678 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3680 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3682 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3684 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3685 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3687 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3688 * final.c (pass_shorten_branches): Add dump.
3689 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3690 (pass_life): Rename dump.
3691 (rest_of_handle_flow2): Remove initial verify_flow_info.
3692 * function.c (pass_instantiate_virtual_regs): Add dump.
3693 * integrate.c (pass_initial_value_sets): Add dump.
3694 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3695 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3696 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3697 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3698 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3699 gate_rtl_unrool_and_peel_loops): New.
3700 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3701 rtl_doloop): Do not look at flags.
3702 * mode-switching.c (pass_mode_switching): Add dump.
3703 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3704 pass_split_before_regstack): Add dump.
3705 * regmove.c (pass_stack_adjustments): Add dump.
3706 * tree-optimize.c (pass_fixup_cfg): Add dump.
3708 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3711 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3712 deciding which instruction sequence to use.
3714 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3716 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3717 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3719 2005-08-09 Richard Guenther <rguenther@suse.de>
3721 * c-common.c (builtin_function_2): Remove.
3722 (def_builtin_1): New function.
3723 (c_common_nodes_and_builtins): Use def_builtin_1 to
3724 build builtin functions.
3726 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3728 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3729 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3730 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3733 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3735 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3736 fold_binary instead of fold_build2 since we don't care about the
3738 (loop_niter_by_eval): Likewise.
3739 (compare_trees): Likewise.
3740 (proved_non_wrapping_p): Likewise.
3742 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3746 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3747 if the if is really empty.
3749 2005-08-09 Steven Bosscher <stevenb@suse.de>
3751 PR tree-optimization/23234
3752 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3753 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3754 argument of the new enum.
3755 (execute_cse_reciprocals): Add reciprocals for function arguments
3756 on the unique successor edge of the entry block. Update other calls
3757 to execute_cse_reciprocals_1.
3759 2005-08-08 Richard Henderson <rth@redhat.com>
3762 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3764 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3766 * expr.c (write_complex_part): Return after handling MEM.
3768 2005-08-08 Josh Conner <jconner@apple.com>
3770 PR rtl-optimization/23241
3771 * combine.c (simplify_comparison): Fix error in determining
3772 whether to lift a subreg from comparison.
3774 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3777 * config/rs6000/altivec.md (vec_init<mode>): New.
3778 (vec_set<mode>): New.
3779 (vec_extract<mode>): New.
3780 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3781 (rs6000_expand_vector_set): New.
3782 (rs6000_expand_vector_extract): New.
3783 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3784 for Altivec modes before reload.
3785 (altivec_expand_vec_init_builtin): New.
3786 (get_element_number): New.
3787 (altivec_expand_vec_set_builtin): New.
3788 (altivec_expand_vec_ext_builtin): New.
3789 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3791 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3793 * config/rs6000/rs6000.h (rs6000_builtins): Add
3794 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3795 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3796 * config/rs6000/rs6000-protos.h: Declare new functions.
3798 2005-08-08 Jan Hubicka <jh@suse.cz>
3800 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3801 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3802 * i386.md (movdi*): Use pic_32bit_operand.
3803 * predicates.md (pic_32bit_operand): New.
3805 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3808 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3810 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3812 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3813 (test_for_singularity): Use fold_build2.
3815 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3817 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3819 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3821 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3822 (COMMON_ASM_OP) Define.
3823 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3824 (ix86_encode_section_info): Likewise.
3825 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3826 SUBTARGET_ENCODE_SECTION_INFO.
3828 2005-08-06 Richard Henderson <rth@redhat.com>
3831 * tree-nested.c (convert_local_reference): Save and restore val_only
3832 around component_ref and friends. Clear walk_subtrees by default.
3834 2005-08-06 Peter O'Gorman <peter@pogma.com>
3837 * gcc.c (process_command): Check the argument to -b has a dash.
3838 * doc/invoke.texi: Update -b and -V docs.
3840 2005-08-06 James E Wilson <wilson@specifix.com>
3842 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3844 2005-08-06 Michael Matz <matz@suse.de>
3846 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3847 member only if only one insn is associated with the value.
3849 2005-08-06 Nick Clifton <nickc@redhat.com>
3851 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3853 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3854 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3855 Check symbol flags instead of symbol name mangling.
3856 (xstormy16_asm_output_aligned_common): Likewise. Also
3857 simplify code since the bss100_section cass is the only case
3858 where the below100 code will be triggered.
3859 (xstormy16_encode_section_info): Encode below100 attribute
3860 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3862 (xstormy16_strip_name_encoding): Delete - this function is no
3864 (TARGET_STRIP_NAME_ENCODING): Undefine.
3865 * config/stormy16/stormy16-protos.h: Delete prototype for
3866 xstormy16_strip_name_encoding.
3868 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3870 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3871 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3872 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3873 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3874 config/alpha/predicates.md, config/arc/arc.h,
3875 config/arm/arm.h, config/arm/ieee754-df.S,
3876 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3877 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3878 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3879 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3880 config/m68hc11/m68hc11.h, config/mips/mips.c,
3881 config/mips/mips.h, config/mips/openbsd.h,
3882 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3883 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3884 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3885 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3886 config/sparc/linux.h, config/sparc/linux64.h,
3887 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3888 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3889 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3890 typos. Follow spelling conventions.
3892 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3895 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3896 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3897 specially. Check for side effects only for COND_EXPR.
3898 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3899 return with TREE_NO_WARNING.
3901 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3903 PR rtl-optimization/23233
3904 * loop.c (combine_movables): Require the modes to be the same.
3905 (move_movables): Remove handling of cases where the replacement
3906 had a different mode to the original.
3908 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3910 PR tree-optimization/23128
3911 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3912 subtraction wrap, and set TREE_OVERFLOW if they do.
3914 2005-08-05 Richard Henderson <rth@redhat.com>
3917 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3918 FORCED_LABEL labels.
3920 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3923 * reload.c (find_reloads_subreg_address): Pass down TYPE
3924 unchanged. Change all callers except find_reloads_toplev.
3926 2005-08-05 Michael Matz <matz@suse.de>
3928 * genattrtab.c (current_alternative_string): Remove.
3929 (SIMPLIFY_ALTERNATIVE): Ditto.
3930 (attr_alt_bit_p): Ditto.
3931 (alternative_name): Make const char *.
3932 (evaluate_eq_attr): Remove use of above things.
3933 (simplify_test_exp): Ditto.
3934 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3935 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3937 2005-08-04 James E Wilson <wilson@specifix.com>
3939 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3940 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3941 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3942 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3943 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3945 2005-08-04 Richard Henderson <rth@redhat.com>
3948 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3949 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3950 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3951 if we'd have to instantiate too many members.
3953 2005-08-04 Richard Henderson <rth@redhat.com>
3956 * tree-outof-ssa.c (coalesce_asm_operands): New.
3957 (coalesce_ssa_name): Use it. Split out ...
3958 (coalesce_phi_operands, coalesce_result_decls): ... these.
3960 2005-08-04 Paul Brook <paul@codesourcery.com>
3962 * read-rtl.c (read_quoted_string): Break if EOF.
3964 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3966 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3967 (fold_build2): Likewise.
3968 (fold_build3): Likewise.
3969 (fold_build1_stat): New function prototype.
3970 (fold_build2_stat): Likewise.
3971 (fold_build3_stat): Likewise.
3972 * fold-const.c (fold_build1): Rename to ..
3973 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3974 through to build1_stat.
3975 (fold_build2): Rename to ..
3976 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3977 through to build2_stat.
3978 (fold_build3): Rename to ..
3979 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3980 through to build3_stat.
3982 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3983 Ian Lance Taylor <ian@airs.com>
3985 * function.c (assign_stack_local_1): Do not correct stack slot
3986 address if allocation size is smaller than mode size.
3988 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3991 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3992 (tree_merge_blocks): Propagate anything allowed by
3994 Clarify documentation.
3995 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3996 SSA form, schedule an update if necessary.
3998 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4000 * doc/install.texi (Binaries): Remove broken link to
4001 Sinix/Reliant Unix binaries.
4003 2005-08-03 Richard Henderson <rth@redhat.com>
4006 * function.c (stack_protect_epilogue): Export.
4007 * tree.h (stack_protect_epilogue): Declare.
4008 * calls.c (expand_call): Call it.
4010 2005-08-03 Eric Christopher <echristo@apple.com>
4012 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4013 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4016 2005-08-04 Jan Hubicka <jh@suse.cz>
4018 * profile.c (branch_prob): Split edges with goto locus on them
4019 to get proper line counts.
4020 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4022 2005-08-03 Paul Brook <paul@codesourcery.com>
4024 * function.c (assign_parms): Round current_function_args_size
4025 to PARM_BOUNDARY, not STACK_BOUNDARY.
4027 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4029 * config/i386/i386.c (x86_elf_aligned_common)
4030 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4032 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
4034 PR tree-optimization/23157
4035 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4036 before emitting them.
4038 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4040 PR tree-optimization/19899
4041 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4042 * tree-scalar-evolution.c: Include real.h.
4043 (add_to_evolution): Build constant -1 of correct type.
4045 2005-08-03 Jan Hubicka <jh@suse.cz>
4047 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4048 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4049 profile updating for complette unrolling.
4050 * loop-unroll.c (peel_loop_completely): Use it.
4051 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4052 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4055 2005-08-03 Paul Brook <paul@codesourcery.com>
4057 * combine.c (can_change_dest_mode): New function.
4058 (try_combine, simplify_set): Use it.
4060 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4062 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4065 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4067 * doc/install.texi (Specific): Adjust link to openavr.org.
4068 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4069 (Binaries): Adjust HP-UX Porting Center link.
4070 (Binaries): Adjust Free Software Foundation ordering link.
4072 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4074 * convert.c (convert_to_integer): Use fold_build1 instead of
4075 build1 when converting an integer to an integer.
4077 2005-08-02 Richard Henderson <rth@redhat.com>
4079 * combine.c (combine_instructions): Don't use reg_equal/equiv
4080 results if the mode doesn't match.
4082 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4084 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4085 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4087 2005-08-02 Richard Henderson <rth@redhat.com>
4090 * explow.c (memory_address): Remove special-case for
4091 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4093 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4096 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4097 number of calls to cleanup_tree_cfg_1.
4099 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4101 * doc/invoke.texi: document file extensions .F90 and .F95
4103 2005-08-02 Richard Guenther <rguenther@suse.de>
4105 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4106 positive if its first argument is positive.
4108 2005-08-02 Richard Guenther <rguenther@suse.de>
4110 PR tree-optimization/23177
4111 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4114 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4116 PR tree-optimization/23129
4117 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4118 varying for divisions with anti-ranges.
4120 2005-08-02 Jan Hubicka <jh@suse.cz>
4122 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4123 * tree-ssa-threadupdate.c (thread_block): Add it here.
4125 2005-08-01 James E Wilson <wilson@specifix.com>
4127 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4128 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4129 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4131 * config/mips/predicates.md (const_call_insn_operand): Add check for
4132 SYMBOL_REF_LONG_CALL_P.
4133 * doc/extend.texi (long_call): Document the new attribute.
4135 2005-08-01 Ian Lance Taylor <ian@airs.com>
4136 Richard Henderson <rth@redhat.com>
4138 * Makefile.in (RTL_BASE_H): Add real.h.
4139 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4141 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4143 * rtl.c (rtl_check_failed_code_mode): New.
4144 * rtl.h (struct rtx_def): Add u.rv.
4145 (XCMWINT, XCNMPRV): New.
4146 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4147 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4149 2005-08-01 Richard Henderson <rth@redhat.com>
4151 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4152 with auto-inc codes.
4154 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4156 2005-08-01 Jan Hubicka <jh@suse.cz>
4158 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4159 * i386.c: Include dwarf2.h
4160 (asm_preferred_eh_data_format): New.
4161 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4163 2005-08-01 Ian Lance Taylor <ian@airs.com>
4165 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4166 randomize_va_space for virtual address randomization control.
4168 2005-08-01 Steven Bosscher <stevenb@suse.de>
4170 * common.opt (flag_ipa_cp): Put in right place to maintain
4173 2005-08-01 Jan Hubicka <jh@suse.cz>
4175 * profile.c (compute_value_histograms): Fix thinko.
4176 * value-prof.c: Include toplev.h
4177 (check_counter): New function.
4178 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4179 tree_mod_subtract_transform): Add sanity check.
4181 2005-08-01 Richard Guenther <rguenther@suse.de>
4183 PR tree-optimization/23133
4184 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4185 current functions parameter decls to find defs to cse
4188 2005-08-01 Richard Guenther <rguenther@suse.de>
4190 PR tree-optimization/23109
4191 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4192 If trapping math is in effect, use post-dominator information
4193 to check if we'd in any case reach a trapping point before
4194 doing the reciprocal insertion.
4195 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4196 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4197 expressions are invariant only if trapping math is not in effect.
4199 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4201 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4202 cgraph_function_versioning): New declarations.
4203 * cgraphunit.c: Add include to ipa-prop.h.
4204 (update_call_expr, cgraph_copy_node_for_versioning,
4205 cgraph_function_versioning): New functions.
4206 * integrate.c (copy_decl_for_inlining): Remove.
4207 * ipa-prop.h (ipa_replace_map): New struct.
4208 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4209 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4210 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4211 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4212 ipcp_iterate_stage, ipcp_method_scale_print,
4213 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4214 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4215 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4216 ipcp_update_bb_counts, ipcp_update_profiling,
4217 ipcp_update_edges_counts): New functions.
4218 (ipcp_method_cval_init): Remove restriction regarding local methods.
4219 (ipcp_init_stage): Add ipcp_method_compute_scale.
4220 (ipcp_insert_stage): Add versioning.
4221 (ipcp_structures_print): Add ipcp_method_scale_print.
4222 (ipcp_driver): Dump profiling info.
4223 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4224 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4225 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4226 (struct inline_data): Add versioning_p, ipa_info, new fields.
4227 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4228 declare_return_variable): Replace calls to copy_decl_for_inlining with
4230 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4232 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4233 Add argument VERSIONING.
4234 (copy_arguments_for_versioning, copy_static_chain,
4235 function_versionable_p, tree_versionable_function_p,
4236 tree_function_versioning, replace_ref_tree): New functions.
4237 * tree-inline.h: Include varray.h.
4238 (tree_versionable_function_p, tree_function_versioning,
4239 tree copy_decl_for_dup): New declarations.
4241 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4243 * ipa-cp.c: New file. Contains IPCP specific functionality.
4244 * ipa-prop.h: New file. Contains structures/definitions that can be
4245 used by several interprocedural data flow optimizations (and also IPCP).
4246 * ipa-prop.c: New file.
4247 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4248 * common.opt: Add ipa-cp flag.
4249 * timevar.def: Add IPCP optimization.
4250 * tree-optimize.c (init_tree_optimization_passes): Schedule
4252 * tree-pass.h (pass_ipa_cp): Declare.
4254 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4256 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4257 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4258 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4259 config/i386/i386.c, config/mips/mips.h,
4260 config/rs6000/rs6000.h, config/sh/sh.c,
4261 config/stormy16/stormy16.c: Fix comment typos.
4263 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4266 * c-typeck.c (build_binary_op): Use common_type wrapper on
4268 (common_type): Update comment.
4270 2005-07-31 Steven Bosscher <stevenb@suse.de>
4273 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4274 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4275 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4277 2005-07-31 Jan Hubicka <jh@suse.cz>
4279 * pretty-print.h (pp_widest_integer): New macro.
4280 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4283 2005-07-31 Jan Hubicka <jh@suse.cz>
4285 * output.h (enum section_category): Export from varasm.c
4286 (categorize_decl_for_section): Likewise.
4287 * varasm.c (enum section_category): Kill.
4288 (categorize_decl_for_section): Make global.
4289 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4291 * i386.c (ix86_section_threshold): New static variable.
4292 (ix86_in_large_data_p, ix86_encode_section_info,
4293 x86_64_elf_unique_section,
4294 x86_64_elf_select_section): New functions.
4295 (TARGET_ENCODE_SECTION_INFO): Define
4296 (override_options): Enable medium model for PIC.
4297 (ix86_expand_prologue): Expand gen_set_got_rex64.
4298 (legitimate_constant_p): Handle new UNSPECs.
4299 (legitimate_pic_address_disp_p): Likewise.
4300 (legitimize_pic_address): Lower MEDIUM model addressing.
4301 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4302 (enum cmodel): Add MEDIUM_PIC.
4303 (SYMBOL_REF_FAR_ADDR_P): New macro.
4304 (SYMBOL_FLAG_FAR_ADDR): New flag.
4305 * i386.md (movdi): Support medium model.
4306 (set_got_rex64): New pattern.
4307 * i386.opt (mlarge-data-threshold): New flag.
4308 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4309 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4310 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4311 TARGET_ASM_UNIQUE_SECTION): New.
4313 * invoke.texi (-mlarge_data_threshold): Document
4315 2005-07-31 Jan Hubicka <jh@suse.cz>
4317 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4318 (coalesce_vars): Likewise.
4319 * tree-ssa-live.c (coalesce_cost): New.
4320 (build_tree_conflict_graph): Use coalesce_cost.
4321 * tree-ssa-live.h (coalesce_cost): Declare.
4323 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4325 * arm.md (all peepholes for post-increment operations): Delete.
4326 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4327 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4328 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4329 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4330 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4332 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4334 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4337 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4340 * doc/invoke.texi: Document -rdynamic.
4342 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4345 * c-parser.c (c_parser_parms_list_declarator): Call
4346 mark_forward_parm_decls.
4347 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4348 decls with visibility structure.
4350 2005-07-30 Paul Brook <paul@codesourcery.com>
4352 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4354 2005-07-30 Paul Brook <paul@codesourcery.com>
4356 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4358 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4360 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4362 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4365 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4366 nested function declarators.
4367 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4368 (grokparms): Call warn_if_shadowing for parameters used within the
4370 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4371 not used within the parameter list.
4372 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4374 2005-07-30 Jan Hubicka <jh@suse.cz>
4376 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4377 * i386.c (ix86_fixup_binary_operands): Likewise.
4378 (ix86_expand_unary_operator): Likewise.
4379 (ix86_expand_fp_absneg_operator): Likewise.
4380 * optabs.c (expand_vec_cond_expr): Validate dest.
4382 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4385 * real.c (real_from_string): Also set last bit if there is a
4386 nonzero hex digit beyond GCC's internal precision after ".".
4388 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4390 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4391 define_constants. Change duplicate values to unassigned numbers.
4392 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4393 (*altivec_vspltsf): New.
4394 (altivec_vperm_v4sf): Delete.
4395 (altivec_vperm_<mode>): Use mode macro V.
4396 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4397 (altivec_predicate_v4sf): Delete.
4398 (altivec_predicate_<mode>): Use mode macro V.
4399 (*altivec_lvesfx): New.
4400 (*altivec_stvesfx): New.
4401 (vec_realign_load_v4sf): Delete.
4402 (vec_realign_load_<mode>): Use mode macro V.
4403 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4406 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4409 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4411 * configure: Regenerated.
4413 2005-07-29 Paul Brook <paul@codesourcery.com>
4415 * doc/install.texi: Add link to GFortran binaries wiki page.
4417 2005-07-29 David Ung <davidu@mips.com>
4419 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4420 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4421 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4422 * config/mips/mips.md (cpu): Add 5kf name.
4423 (includes): Includes 5k.md.
4424 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4425 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4428 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4431 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4432 (cleanup_tree_cfg): ... here.
4433 Call cleanup_tree_cfg_1 until there are no more cleanups to
4436 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4438 * tree-vrp.c (compare_range_with_value): Return true or false
4439 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4440 EQ_EXPR respectively.
4442 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4444 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4447 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4449 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4450 (tree_ssa_dominator_optimize): Increment it.
4451 (dump_dominator_optimization_stats): Print it.
4453 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4454 Steven Bosscher <stevenb@suse.de>
4456 PR rtl-optimization/23117
4457 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4458 when head == tail. Tidy comment.
4460 2005-07-28 Richard Henderson <rth@redhat.com>
4462 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4463 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4464 * jump.c (rtx_renumbered_equal_p): Likewise.
4465 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4466 CONST_INT and CONST_DOUBLE.
4467 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4468 * reload.c (operands_match_p): Special case CONST_INT and
4469 CONST_DOUBLE; check mode earlier.
4471 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4474 * c-typeck.c (convert_for_assignment): Do not check
4475 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4477 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4480 * c-typeck.c (composite_type): Prefer constant size arrays to
4483 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4486 * real.c (real_from_string): Set last bit if there is a nonzero
4487 hex digit beyond GCC's internal precision.
4489 2005-07-28 Richard Henderson <rth@redhat.com>
4492 * cfgcleanup.c (try_forward_edges): Watch out for end of
4495 2005-07-28 James E Wilson <wilson@specifixinc.com>
4498 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4500 2005-07-28 Jan Hubicka <jh@suse.cz>
4502 * Makefile.in (rtl-profile.o): Kill all traces of it.
4503 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4504 * coverage.h (rtl_coverage_counter_ref): Kill.
4505 * opts.c (flag_speculative_prefetching_set): Kill.
4506 (flag_loop_optimize_set): New.
4507 (common_handle_option): Disable loop optimizer when profiling;
4508 do not handle speculative prefetching.
4509 * passes.c (init_optimization_passes): Replace pass_profiling combo
4510 by branch_prob pass.
4511 * profile.c (compute_value_histograms): Update for simplified value
4513 (rtl_register_profile_hooks): Kill.
4514 (pass_profiling): Kill.
4515 (rest_of_handle_branch_prob): Do not profile.
4516 * toplev.c (process_options): Remove speculative prefetching.
4517 * toplev.h (flag_tree_based_profiling): Kill.
4518 * tree-profile.c (prepare_instrumented_value,
4519 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4520 tree_gen_one_value_profiler, do_tree_profiling): Update for
4521 simplified datastructures.
4522 * value-prof.c: Add comment that speculative prefetching was dropped;
4523 update rest of file for simplified datastructures.
4524 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4525 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4526 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4527 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4528 rtl_mod_subtract, gen_speculative_prefetch,
4529 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4530 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4531 (gate_handle_value_profile_transformations,
4532 rest_of_handle_value_profile_transformations,
4533 pass_value_profile_transformations): Kill.
4534 * value-prof.h (histogram_value_t): Remove IL based unions.
4535 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4536 rtl_profile_hooks): Remove hooks.
4538 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4540 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4541 (cgraph_clone_node): Likewise.
4542 * cgraph.h (cgraph_clone_edge): Update prototype.
4543 (cgraph_clone_node): Likewise.
4544 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4546 (lookup_recursive_calls): Consider profile.
4547 (cgraph_decide_recursive_inlining): Fix updating; use new
4548 probability argument; use profile.
4549 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4550 * tree-inline.c (copy_bb): Update clal of clone_edge.
4551 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4553 * invoke.texi (min-inline-recursive-probability): Document.
4555 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4557 * doc/install.texi (Configuration): Update Valgrind homepage.
4559 2005-07-28 Richard Henderson <rth@redhat.com>
4562 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4563 labels we want to delete.
4564 (cfg_layout_merge_blocks): Likewise.
4566 2005-07-28 Richard Henderson <rth@redhat.com>
4569 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4570 when expanding to nothing.
4572 2005-07-28 Josh Conner <jconner@apple.com>
4574 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4575 (cgraph_decide_inlining_of_small_functions): Likewise.
4577 2005-07-28 Josh Conner <jconner@apple.com>
4579 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4580 direction of badness if negative.
4581 (cgraph_default_inline_p): Add reason to parameters, and assign it
4583 (cgraph_decide_inlining_of_small_functions): New parameter in call
4584 to cgraph_default_inline_p.
4585 (cgraph_decide_inlining_incrementally): Likewise.
4586 * cgraphunit.c (decide_is_function_needed): Likewise.
4587 * cgraph.h (cgraph_default_inline_p): Likewise.
4589 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4591 * builtins.c: Fix comment typo(s).
4592 * genautomata.c: Likewise.
4593 * gimplify.c: Likewise.
4594 * tree-dfa.c: Likewise.
4595 * tree-flow-inline.h: Likewise.
4596 * tree-into-ssa.c: Likewise.
4597 * tree-ssa-alias.c: Likewise.
4598 * tree-ssa-ccp.c: Likewise.
4599 * tree-ssa-copy.c: Likewise.
4600 * tree-ssa-dce.c: Likewise.
4601 * tree-ssa-dom.c: Likewise.
4602 * tree-ssa-operands.c: Likewise.
4603 * tree-tailcall.c: Likewise.
4604 * tree-vectorizer.c: Likewise.
4605 * tree-vrp.c: Likewise.
4608 2005-07-28 Jeff Law <law@redhat.com>
4610 * tree-vrp.c (test_for_singularity): Extracted from ...
4611 (simplify_cond_using_ranges): Attempt to simplify a relational
4612 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4614 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4616 PR tree-optimization/22506
4617 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4618 phis whose argument is constant.
4620 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4622 PR rtl-optimization/18992
4623 Back out this patch:
4624 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4625 PR optimization/12142
4626 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4627 uses of the register in the SET_SRC. Remove unnecessary argument.
4629 Replace it with this:
4630 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4631 if flag_non_call_exceptions is set and the insn may trap, pass
4632 pc_rtx as dest for recursion.
4633 In SET_SRC part of SET case, if dest is already set, pass it down
4636 2005-07-28 Jan Hubicka <jh@suse.cz>
4638 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4639 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4640 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4642 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4643 profile when available.
4645 2005-07-28 Jan Beulich <jbeulich@novell.com>
4647 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4648 (ia64_print_operand): Describe and handle 'X'.
4649 (ia64_register_move_cost): Also handle FP_REGS.
4650 (ia64_preferred_reload_class): Likewise.
4651 (ia64_secondary_reload_class): Likewise.
4652 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4653 it. Also check for ITANIUM_CLASS_FLDP.
4654 * config/ia64/ia64.h (FP_REGNO_P): New.
4655 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4656 (reg_class): Add FP_REGS.
4657 (REG_CLASS_NAMES): Adjust for it.
4658 (REG_CLASS_CONTENTS): Likewise.
4659 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4660 (REG_CLASS_FROM_LETTER): Handle 'x'.
4661 (CLASS_MAX_NREGS): Handle FP_REGS.
4662 (MEMORY_MOVE_COST): Likewise.
4663 * config/ia64/ia64.md (itanium_class): Add fldp.
4664 (type): Handle fldp.
4665 (movti_internal): More allowable operand combinations. Use ldfp8 when
4666 splitting unnecessary. Remove predicable attribute. Adjust
4667 itanium_class attribute.
4668 (smuldi3_highpart): Remove outdated comment.
4669 (mulditi3, umulditi3, rotlti3): New expanders.
4670 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4671 (absti2): Disabled new insn for future reference.
4672 Respective new splitters.
4673 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4674 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4675 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4677 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4679 PR rtl-optimization/23047
4680 * simplify-rtx.c (simplify_const_relational_operation): Respect
4681 flag_wrapv for comparisons with ABS.
4683 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4685 PR tree-optimization/22493
4686 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4687 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4689 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4691 * config/frv/frv.opt (moptimize-membar): New.
4693 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4695 * config/frv/frv.h: Remove machine_function definition.
4697 * config/frv/frv.c (struct frv_io): New.
4698 (struct machine_function): Moved from frv.h. Add has_membar_p.
4699 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4700 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4701 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4702 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4703 (frv_reorg): Call frv_optimize_membar when appropriate.
4704 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4705 (frv_expand_builtin): Adjust calls accordingly.
4706 (frv_io_address_cookie): New function.
4707 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4708 load or store rather than a special insn. Add ccnstant address and
4709 io-type operands to the membar.
4710 (frv_ifcvt_modify_tests): Unsign regno.
4711 (frv_ifcvt_modify_tests): Same.
4713 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4714 UNSPEC_OPTIONAL_MEMBAR constant.
4715 (builtin_read_<mode>): Delete.
4716 (builtin_write_<mode>): Delete.
4717 ("optional_membar_<mode>"): Add operand.
4719 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4720 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4721 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4722 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4723 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4724 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4725 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4726 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4727 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4729 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4731 * df.c (df_uses_record): Handle SCRATCH.
4733 2005-07-28 Steven Bosscher <stevenb@suse.de>
4736 * passes.c (rest_of_decl_compilation): If decl is a type and
4737 we have encountered errors, don't emit debug information.
4739 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4741 * params.def: Fixed comment.
4743 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4746 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4747 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4748 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4750 2005-07-27 Steven Bosscher <stevenb@suse.de>
4753 * varasm.c (assemble_start_function): Don't do anything that may
4754 require a CFG if the current function is a thunk.
4756 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4758 * doc/install.texi (Prerequisites): Mention that perl is needed
4759 to do export control in libstdc++ targetting Darwin.
4761 2005-07-27 Steven Bosscher <stevenb@suse.de>
4763 PR rtl-optimization/17808
4764 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4765 (sched_insns_conditions_mutex_p): Split out from...
4766 (add_dependence): ...here. But don't call it from here.
4767 (add_dependence_list): Check sched_insns_conditions_mutex_p
4768 before calling add_dependence.
4769 (add_dependence_list_and_free): Likewise.
4770 (fixup_sched_groups): Likewise.
4771 (sched_analyze_1): Likewise.
4772 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4773 (sched_analyze): Likewise.
4774 (sched_analyze_insn): Likewise.
4775 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4776 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4777 dependencies on all COND_EXEC insns to jumps ending basic blocks
4778 when doing intrablock scheduling.
4779 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4781 2005-07-27 Jeff Law <law@redhat.com>
4783 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4784 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4785 equivalency sets, correctly handle the case were vr0 has an
4786 equivalency set, but vr1 does not.
4788 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4790 PR tree-optimization/23073
4791 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4792 vect_print_dump_info before fprintf.
4794 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4796 PR tree-optimize/22348
4797 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4798 Fold the partial computation.
4800 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4802 PR tree-optimization/22325
4803 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4805 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4807 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4808 (force_var_cost): ... this function.
4809 (compute_phi_arg_on_exit): Export.
4811 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4813 PR tree-optimization/20773
4814 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4817 2005-07-27 Richard Guenther <rguenther@suse.de>
4819 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4820 Avoid pushing again if current struct contains only
4821 fields we decomposed.
4823 2005-07-27 Jan Hubicka <jh@suse.cz>
4825 PR tree-optimization/22574
4826 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4829 * tree-tailcall.c (decrease_profile): New function.
4830 (eliminate_tail_call): Use it.
4832 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4833 visibility flags correctly in whole program mode.
4835 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4837 PR rtl-optimization/22472
4838 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4840 2005-07-26 Steven Bosscher <stevenb@suse.de>
4842 PR tree-optimization/22504
4843 * tree-complex.c (expand_complex_addition): Use 'code' instead
4844 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4846 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4848 * config.gcc (cpu_type): Add frv case.
4849 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4850 (supported_defaults): Add fr550 case.
4852 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4855 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4856 whether a pointer of type T * may point to objects of type T *.
4858 2005-07-26 DJ Delorie <dj@redhat.com>
4860 * configure: Regenerate.
4862 2005-07-26 Dale Johannesen <dalej@apple.com>
4864 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4866 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4868 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4869 Clarify use of "build" in name.
4871 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4873 * doc/extend.texi (Raw read/write Functions): New section.
4874 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4875 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4876 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4877 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4878 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4879 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4880 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4881 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4882 * config/frv/frv.c: Add bdesc_loads global.
4883 Add bdesc_stores global.
4884 (frv_init_builtins): Add support for __builtin_{read/write}*.
4885 (frv_volatile_memref): New.
4886 (frv_expand_load_builtin): New.
4887 (frv_expand_store_builtin): New.
4888 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4889 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4890 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4891 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4892 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4893 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4894 (builtin_read_<mode>): New.
4895 (builtin_write_<mode>): New.
4896 (builtin_write64): New.
4897 (optional_membar_<mode>): New.
4899 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4901 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4902 (rather than units) against HOST_BITS_PER_WIDE_INT.
4904 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4906 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4907 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4908 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4909 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4912 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4913 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4914 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4916 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4918 2005-07-26 Richard Guenther <rguenther@suse.de>
4920 PR tree-optimization/22486
4921 * fold-const.c (fold_unary): Fold away useless component
4922 references of the form (T *)&T.x, if the address
4925 2005-07-25 James E Wilson <wilson@specifixinc.com>
4927 * dwarf2out.c (add_call_src_coords_attributes): New.
4928 (gen_inlined_subroutine_die): Call it.
4929 (maybe_emit_file, init_file_table): Add comments.
4930 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4932 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4933 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4934 * tree.h (BLOCK_SOURCE_LOCATION): New.
4935 (struct tree_block): New field locus.
4937 2005-07-26 Andreas Schwab <schwab@suse.de>
4939 PR rtl-optimization/23043
4940 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4941 when allocating a struct unoccr.
4943 2005-07-25 Richard Henderson <rth@redhat.com>
4946 * tree-complex.c (gate_no_optimization): True if errors.
4947 * Makefile.in (tree-complex.o): Update dependencies.
4949 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4951 * config/frv/predicates.md (integer_register_operand): Use
4954 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4957 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4959 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4961 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4963 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4964 types when flag_unsafe_math_optimizations is true.
4966 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4968 * gcc.c (option_map): Add --sysroot.
4969 (process_command): Handle --sysroot.
4970 (display_help): Document it.
4971 * doc/cppopts.tex (-isysroot): Document.
4972 * doc/invoke.texi (--sysroot): Document.
4973 * doc/install.texi (--with-build-sysroot): Document.
4975 * Makefile.in (inhibit_libc): New variable.
4976 (INHIBIT_LIBC_CFLAGS): Likewise.
4977 (LIBGCC2_CFLAGS): Include
4978 $(INHIBIT_LIBC_CFLAGS).
4979 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4980 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4981 ($(T)crtend.o): Likewise.
4982 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4983 ($(T)crtendS.o): Likewise.
4984 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4985 ($(T)crtendT.o): Likewise.
4986 (stmp-fixinc): Do not complain about missing headers if
4988 * configure.ac (inhibit_libc): Set it to true/false.
4989 (--with-build-sysroot): New option. Use it to set
4991 * configure: Regenerated.
4993 2005-07-25 Manfred Hollstein <mh@suse.com>
4995 * calls.c (store_one_arg): Fix unsigned comparison warning.
4997 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5000 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5001 (ggc_print_statistics): Initialize variable before use.
5003 2005-07-25 Richard Guenther <rguenther@suse.de>
5005 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5006 calling with a PHI_NODE argument.
5008 * tree-flow-inline.h (overlap_subvar): Protect against
5011 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5013 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5014 * configure: Regenerate.
5016 2005-07-25 Ira Rosen <irar@il.ibm.com>
5018 * expr.c (highest_pow2_factor): Make extern.
5019 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5020 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5021 record_array_differ_p, array_ptr_differ_p): Likewise.
5022 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5023 additional cases. Call the above functions.
5024 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5025 base_object_differ_p when there are two base objects. Otherwise, compare
5026 base address and offset. Call may_alias_p.
5027 (dump_data_reference): Use a correct field name.
5028 (analyze_array): Make static. Initialize new data-ref fields.
5029 (analyze_indirect_ref): New function.
5030 (init_data_ref): Initialize new data-ref fields.
5031 (strip_conversion): Moved from tree-vect-analyze.c.
5032 (analyze_offset_expr, get_ptr_offset, address_analysis,
5033 object_analysis): Likewise.
5034 (analyze_offset): New function.
5035 (create_data_ref): Likewise.
5036 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5037 dimensions for ARRAY_REFs only.
5038 (build_classic_dist_vector): Make static.
5039 (access_functions_are_affine_or_constant_p): Call macro to get the
5040 address of access functions.
5041 (compute_all_dependences): Add new parameter
5042 compute_self_and_read_read_dependences. Compute self and read-read
5043 dependences if it is true.
5044 (find_data_references_in_loop): Call create_data_ref. Initialize new
5046 (compute_data_dependences_for_loop): Add new parameter
5047 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5048 compute nb_loops. Call compute_all_dependences,
5049 build_classic_dist_vector and build_classic_dir_vector with correct
5051 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5052 with correct parameters. Compare dimensions for ARRAY_REFs only.
5053 (free_data_refs): Call macro to free access functions.
5054 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5055 fields from stmt_vinfo.
5056 (struct base_object_info): New structure.
5057 (struct data_reference): Move fields to base_object_info. Add fields
5058 first_location and object_info for above structures. Move fields from
5059 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5060 aligned_to. Add macros to access the new fields.
5061 Update functions declarations.
5062 * tree-flow.h (is_aliased_with): Declare.
5063 * tree-loop-linear.c (linear_transform_loops): Call
5064 compute_data_dependences_for_loop with correct parameters.
5065 * tree-ssa-alias.c (is_aliased_with): New function.
5066 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5067 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5068 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5069 vect_base_addr_differ_p, compute_subscript_distance and
5070 build_classic_dist_vector. Add printings. Check absolute value of
5072 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5074 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5075 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5076 to bytes. Add printing.
5077 (vect_compute_data_refs_alignment): Go through loads and stores in one
5079 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5080 vect_analyze_data_ref_access): Likewise.
5081 (vect_analyze_pointer_ref_access): Remove.
5082 (vect_address_analysis, vect_object_analysis): Likewise.
5083 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5084 and analyze data-refs in the loop.
5085 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5086 fields of data-ref instead of stmt. Add init to the offset from the
5088 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5089 (vect_update_init_of_dr): Likewise.
5090 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5091 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5093 (new_loop_vec_info): Initialize new fields.
5094 (destroy_loop_vec_info): Free new fields.
5095 (vect_strip_conversion): Remove.
5096 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5097 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5098 datarefs. Add new field ddrs.
5099 Add macros for the new fields access.
5100 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5101 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5102 Remove their macros.
5103 * tree.h (highest_pow2_factor): Declare.
5105 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5107 * calls.c (store_one_arg): Check for sibling call MEM arguments
5108 from already clobbered incoming argument area.
5110 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5112 * c-common.c (check_missing_format_attribute): New.
5113 * c-common.h (check_missing_format_attribute): Likewise.
5114 * c-typeck.c (convert_for_assignment): Use it.
5116 2005-07-24 Andreas Schwab <schwab@suse.de>
5118 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5119 register use a word move. Correct operand of ext.w in 68000 code.
5121 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5123 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5124 variables as declarations, rather than definitions.
5126 2005-07-24 Ira Rosen <irar@il.ibm.com>
5128 PR tree-optimization/22526
5129 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5132 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5134 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5135 that C99 reserve for future use. Use it to define clog10,
5136 clog10f and clog10l.
5138 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5140 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5141 * configure.ac: Check for -Wmissing-format-attribute.
5143 * configure: Regenerate.
5145 2005-07-23 Richard Henderson <rth@redhat.com>
5147 PR tree-optimization/22623
5148 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5150 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5153 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5155 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5157 * Makefile.in (C_TREE_H): Update dependencies.
5158 * c-tree.h: Include toplev.h.
5159 * diagnostic.h (diagnostic_set_info): Add format attribute.
5160 * rtl-error.c (diagnostic_for_asm): Likewise.
5162 2005-07-23 Chao-ying Fu <fu@mips.com>
5164 * config/mips/mips-dsp.md: New file.
5165 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5166 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5168 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5169 MIPS_BUILTIN_BPOSGE32.
5170 (mips_expand_builtin_direct): Add one parameter to indicate that
5171 builtin functions need to return a value.
5172 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5174 (mips_regno_to_class): Add classes for 12 new DSP registers.
5175 (mips_subword): Change to check four HI registers.
5176 (mips_output_move): Output move to and from 6 new DSP accumulators.
5177 (override_options): Make sure -mdsp and -mips16 are not used together.
5178 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
5180 (mips_conditional_register_usage): Disable 6 new DSP accumulators
5182 (print_operand): Add 'q' for printing DSP accumulators.
5183 (mips_cannot_change_mode_class): Check ACC_REGS.
5184 (mips_secondary_reload_class): Check ACC_REGS.
5185 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5186 (mips_register_move_cost): Check ACC_REGS.
5187 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5188 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5189 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5190 (dsp_bdesc): New array.
5191 (bdesc_arrays): Add DSP builtin function table.
5192 (mips_prepare_builtin_arg): Check predicate again after
5194 (mips_expand_builtin): Add one more parameter to
5195 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5196 MIPS_BUILTIN_BPOSGE32.
5197 (mips_init_builtins): Initialize new function types.
5198 (mips_expand_builtin_direct): Check if builtin functions need to
5199 return a value and pass operands properly.
5200 (mips_expand_builtin_bposge): New function.
5201 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5202 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5203 (FIRST_PSEUDO_REGISTER): Increase to 188.
5204 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5205 Update for 12 new DSP registers.
5206 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5207 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5208 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5209 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5210 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5211 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5212 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5213 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5214 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5215 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5216 (REGISTER_NAMES): Add names for 12 new DSP registers.
5217 * config/mips/mips.md: Include mips-dsp.md.
5218 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5219 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5220 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5221 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5222 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5223 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5224 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5225 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5226 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5227 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5228 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5229 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5230 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5231 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5232 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5233 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5234 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5235 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5236 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5237 (UNSPEC_RDDSP): New constants.
5238 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5239 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5241 * config/mips/mips.opt (-mdsp): New option.
5242 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5243 (reg_imm10_operand): New predicates.
5244 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5245 * doc/invoke.texi (-mdsp): Document new option.
5247 2005-07-22 DJ Delorie <dj@redhat.com>
5249 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5251 * tree-inline.c (inlinable_function_p): Likewise.
5253 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5256 * toplev.c (check_global_declarations): Do not mark undefined
5257 variables as DECL_IGNORED_P.
5258 * varasm.c (first_global_object_name): GTY it.
5259 (weak_global_object_name): Likewise.
5260 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5261 a string to go into {weak,first}_global_object_name.
5263 2005-07-22 DJ Delorie <dj@redhat.com>
5265 * c-format.c (check_function_format): Change warning control
5266 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5268 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5270 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5271 &PTR->FLD a dereference of PTR.
5272 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5273 a potential dereference of PTR.
5275 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5277 PR rtl-optimization/20370
5278 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5279 call allocate_reg_info if necessary.
5281 PR rtl-optimization/21848
5282 * calls.c (emit_library_call_value_1): For const functions, add
5283 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5285 PR rtl-optimization/22445
5286 * cselib.c (target.h): Include.
5287 (rtx_equal_for_cselib_p): Allow commutative matches.
5288 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5289 Remove MODE parameter. Changed all callers.
5291 PR rtl-optimization/22258
5292 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5294 (try_combine): Use likely_spilled_retval_p.
5296 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5298 * config.gcc: Add crx-elf support.
5300 * doc/contrib.texi: Mention crx.
5301 * doc/extend.texi: Document crx extensions.
5302 * doc/install.texi: Document crx install.
5303 * doc/invoke.texi: Document crx options.
5304 * doc/md.texi: Document crx constraints.
5306 * config/crx/crx-protos.h: New file.
5307 * config/crx/crx.c: New file.
5308 * config/crx/crx.h: New file.
5309 * config/crx/crx.md: New file.
5310 * config/crx/crx.opt: New file.
5311 * config/crx/t-crx: New file.
5313 2005-07-22 Manfred Hollstein <mh@suse.com>
5315 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5317 (int_add_graph_edge): Likewise.
5318 (collapse_nodes): Likewise.
5319 (process_unification_queue): Likewise.
5321 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5322 Laurent GUERBY <laurent@guerby.net>
5324 PR tree-optimization/22336
5325 * function.c (record_block_change): Check for
5326 cfun->ib_boundaries_block.
5328 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5330 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5331 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5333 2005-07-21 DJ Delorie <dj@redhat.com>
5335 * toplev.c (warn_deprecated_use): Add warning control to warning
5337 * c-typeck.c (parser_build_binary_op): Likewise.
5338 (c_finish_if_stmt): Likewise.
5339 * c-common.c (check_function_sentinel): Likewise.
5340 (check_nonnull_arg): Likewise.
5342 2005-07-21 Richard Henderson <rth@redhat.com>
5345 * tree-complex.c (complex_ssa_name_components): New.
5346 (cvc_lookup): Allow entry not found.
5347 (create_components): Remove.
5348 (create_one_component_var, get_component_var): New.
5349 (get_component_ssa_name, set_component_ssa_name): New.
5350 (extract_component): Use get_component_ssa_name.
5351 (update_complex_components): Use set_component_ssa_name.
5352 (update_complex_components_on_edge): Likewise.
5353 (update_phi_components): Create new PHI nodes directly, instead
5354 of adding insns to edges.
5355 (tree_lower_complex): Allocate and free complex_variable_components
5356 and complex_ssa_name_components here.
5358 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5360 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5361 revert to returning false.
5363 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5366 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5368 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5371 * config/i386/i386.md (cmpxf): Change operand constraints
5372 to "nonmemory_operand".
5374 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5376 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5378 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5381 * fold-const.c (fold_build1): Add checksum for the operands.
5382 (fold_build2): Likewise.
5383 (fold_build3): Likewise.
5385 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5388 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5390 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5392 * common.opt (-fforward-propagate): Committed by mistake,
5395 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5397 * reg-stack.c: Fix comment typo(s).
5398 * tree-ssa-operands.c: Likewise.
5399 * tree-vectorizer: Likewise.
5401 2005-07-21 Nick Clifton <nickc@redhat.com>
5403 * config/sh/symbian.c: Replace C++ style line comments with C
5404 style line comments.
5405 (symbian_add_attribute): Do not use a ? operator on the LHS of
5407 (sh_symbian_handle_dll_attribute): Change the type of the
5408 method vector to "VEC(tree,gc)*" and use vector accessor
5409 macros to walk over the elements.
5410 (symbian_export_vtable_and_rtti_p): Likewise.
5411 (symbian_class_needs_attribute_p): Likewise.
5413 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5416 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5417 initialize targetm.resolve_overloaded_builtin here.
5418 (altivec_expand_overloaded_builtin): Make it non-static.
5419 * config/rs6000/rs6000-protos.h
5420 (altivec_expand_overloaded_builtin): New prototype.
5421 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5422 targetm.resolve_overloaded_builtin here.
5423 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5425 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5426 Zdenek Dvorak <dvorakz@suse.cz>
5428 PR tree-optimization/19210
5429 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5431 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5432 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5433 rely on unproven assumptions.
5434 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5435 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5436 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5437 to number_of_iterations_exit.
5438 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5439 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5440 * tree-ssa-loop-niter.c (find_loop_niter,
5441 estimate_numbers_of_iterations_loop): Likewise.
5442 (number_of_iterations_exit): Honor the new options.
5443 * doc/invoke.texi (Wunsafe-loop-optimizations,
5444 funsafe-loop-optimizations): Document them.
5446 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5448 PR rtl-optimization/22167
5449 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5451 2005-07-20 Adam Nemet <anemet@lnxw.com>
5453 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5454 __do_global_dtors_aux longcall.
5456 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5458 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5459 (old_special_pred_table): Don't reference
5460 SPECIAL_MODE_PREDICATES.
5461 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5462 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5463 * config/sh/predicates.h: Don't mention
5464 SPECIAL_MODE_PREDICATES.
5465 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5468 2005-07-20 DJ Delorie <dj@redhat.com>
5470 * config.gcc: Add m32c-elf support.
5472 * doc/contrib.texi: Mention m32c.
5473 * doc/extend.texi: Document m32c extensions.
5474 * doc/install.texi: Mention m32c.
5475 * doc/invoke.texi: Document m32c options.
5476 * doc/md.texi: Document m32c constraints.
5478 * config/m32c/addsub.md: New file.
5479 * config/m32c/bitops.md: New file.
5480 * config/m32c/cond.md: New file.
5481 * config/m32c/jump.md: New file.
5482 * config/m32c/m32c-lib1.S: New file.
5483 * config/m32c/m32c-lib2.c: New file.
5484 * config/m32c/m32c-modes.def: New file.
5485 * config/m32c/m32c-pragma.c: New file.
5486 * config/m32c/m32c-protos.h: New file.
5487 * config/m32c/m32c.abi: New file.
5488 * config/m32c/m32c.c: New file.
5489 * config/m32c/m32c.h: New file.
5490 * config/m32c/m32c.md: New file.
5491 * config/m32c/m32c.opt: New file.
5492 * config/m32c/minmax.md: New file.
5493 * config/m32c/mov.md: New file.
5494 * config/m32c/muldiv.md: New file.
5495 * config/m32c/predicates.md: New file.
5496 * config/m32c/prologue.md: New file.
5497 * config/m32c/shift.md: New file.
5498 * config/m32c/t-m32c: New file.
5500 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5502 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5503 (stack_protect_set, stack_protect_test): New expanders.
5504 (stack_protect_set_si, stack_protect_set_si_media,
5505 stack_protect_set_di_media, stack_protect_test_si,
5506 stack_protect_test_si_media, stack_protect_test_di_media):
5509 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5511 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5513 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5515 * tree.h (tree_expr_nonzero_p): Export.
5516 * fold-const.c (tree_expr_nonzero_p): Likewise.
5517 Return true for CALL_EXPRs that are alloca calls.
5518 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5520 * tree-flow.h (expr_computes_nonzero): Remove.
5521 * tree-vrp.c (expr_computes_nonzero): Remove.
5522 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5523 (extract_range_from_unary_expr): Likewise.
5524 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5525 tree_expr_nonzero_p.
5527 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5529 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5530 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5531 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5532 All callers changed.
5533 (frame_related_constant_load): New arg "related" which controls
5534 setting of RTX_FRAME_RELATED_P. All callers changed.
5535 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5536 (bfin_expand_prologue): Add stack limit checking.
5537 * config/bfin/bfin.md (trapifcc): New pattern.
5539 * config/bfin/bfin.c: Include "langhooks.h".
5540 (def_builtin): Go through lang_hooks to call builtin_function.
5542 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5543 * config/bfin/predicates.md (symbol_ref_operand): New.
5544 (call_insn_operand): Delete. All callers changed to use
5545 register_no_elim_operand.
5546 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5548 (function_arg): Use it to generate the call's operand 2.
5549 (bfin_longcall_p): New function.
5550 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5551 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5552 determine if the address needs to be in a REG.
5553 (bfin_handle_longcall_attribute): New function.
5554 (bfin_attribute_table): Add "longcall" and "shortcall".
5555 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5556 (CUMULATIVE_ARGS): New member call_cookie.
5557 (PREDICATE_CODES): Add symbol_ref_operand.
5558 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5559 extra USE to the pattern.
5560 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5561 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5562 sibcall_value_insn; now the new patterns handle direct calls and the
5563 old ones indirect calls.
5564 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5566 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5568 * doc/trouble.texi: Update section on handling of empty loops.
5570 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5572 * config.gcc: Remove support for sparc-*-openbsd*,
5573 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5575 * config.host: Remove support for i860-*-sysv4* as a host.
5576 * config/i860/*, config/ip2k/*, config/ns32k/*,
5577 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5578 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5579 mention obsolete ports.
5581 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5583 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5585 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5586 of frame_pointer_rtx.
5587 (sh_expand_epilogue): Likewise.
5588 (sh_set_return_address): Likewise.
5589 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5590 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5591 offsets from FRAME_POINTER_REGNUM.
5592 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5593 (sh_register_names): Add initializer for sfp.
5594 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5595 (VALID_REGISTER_P): Likewise.
5596 (FIRST_PSEUDO_REGISTER): Update.
5597 (DWARF_FRAME_REGISTERS): Define.
5598 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5599 (HARD_FRAME_POINTER_REGNUM): Define.
5600 (FRAME_POINTER_REGNUM): Redefine.
5601 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5602 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5603 from FRAME_POINTER_REGNUM.
5604 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5605 FRAME_POINTER_REGNUM.
5606 (REG_CLASS_CONTENTS): Add sfp.
5607 (REG_ALLOC_ORDER): Likewise.
5608 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5609 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5610 of frame_pointer_rtx.
5611 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5613 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5615 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5616 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5617 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5619 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5622 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5624 Make CONSTRUCTOR use VEC to store initializers.
5625 * c-common.c (complete_array_type): Update to cope with VEC in
5627 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5628 (pp_c_constructor_elts): New function.
5629 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5630 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5631 struct constructor_stack, struct initializer_stack,
5632 constructor_elements, push_init_level, pop_init_level,
5633 add_pending_init, find_init_member, output_init_element): Update to
5634 cope with VEC in CONSTRUCTOR_ELTS.
5635 * coverage.c (build_fn_info_value, build_ctr_info_value,
5636 build_gcov_info): Likewise.
5637 * expr.c (categorize_ctor_elements_1, store_constructor,
5638 expand_expr_real_1): Likewise.
5639 * fold-const.c (fold_ternary): Likewise.
5640 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5641 gimplify_init_constructor, gimplify_expr): Likewise.
5642 * tree-dump.c (dequeue_and_dump): Likewise.
5643 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5645 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5647 * tree-sra.c (generate_element_init_1): Likewise.
5648 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5649 * tree-ssa-operands.c (get_expr_operands): Likewise.
5650 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5651 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5652 (get_initial_def_for_reduction): Likewise.
5653 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5654 value handle in annotations.
5655 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5656 tree_node_structure): Add support for constr_kind.
5657 (build_vector_from_ctor, build_constructor_single,
5658 build_constructor_from_list): New functions.
5659 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5660 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5661 Update to cope with VEC in CONSTRUCTOR_ELTS.
5662 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5663 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5664 CONSTRUCTOR_APPEND_ELT): New macros.
5665 (struct constructor_elt, struct tree_constructor): New data types.
5666 (union tree_node): Add tree_constructor field.
5667 * treestruct.def: Define TS_CONSTRUCTOR.
5668 * varasm.c (const_hash_1, compare_constant, copy_constant,
5669 compute_reloc_for_constant, output_addressed_constants,
5670 initializer_constant_valid_p, output_constant,
5671 array_size_for_constructor, output_constructor): Update to cope with
5672 VEC in CONSTRUCTOR_ELTS.
5673 * vec.h (VEC_empty, VEC_copy): New macros.
5675 2005-07-19 Devang Patel <dpatel@apple.com>
5677 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5679 2005-07-19 Richard Henderson <rth@redhat.com>
5682 * gimplify.c (gimplify_expr): Use main variant type for the temp
5683 destination for a discarded volatile read.
5684 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5685 casts between non-void types that change volatility.
5687 2005-07-15 DJ Delorie <dj@redhat.com>
5689 * toplev.h: Add comment about the first parameter for warning().
5690 * errors.h: Likewise.
5692 * c.opt (Wpragmas): New.
5693 * doc/invoke.texi: Document it.
5695 * function.c (do_warn_unused_parameter): Add warning control to
5697 * c-decl.c (warn_if_shadowing): Likewise.
5698 * c-lex.c (cb_def_pragma): Likewise.
5699 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5700 (pop_alignment): Likewise.
5701 (handle_pragma_pack): Likewise.
5702 (apply_pragma_weak): Likewise.
5703 (handle_pragma_weak): Likewise.
5704 (handle_pragma_redefine_extname): Likewise.
5705 (add_to_renaming_pragma_list): Likewise.
5706 (handle_pragma_extern_prefix): Likewise.
5707 (maybe_apply_renaming_pragma): Likewise.
5708 (handle_pragma_visibility): Likewise.
5710 * config/c4x/c4x-c.c (BAD): Likewise.
5711 (c4x_parse_pragma): Likewise.
5712 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5713 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5714 (rs6000_pragma_longcall): Likewise.
5715 * config/v850/v850-c.c (pop_data_area): Likewise.
5716 (ghs_pragma_section): Likewise.
5717 (ghs_pragma_section): Likewise.
5718 (ghs_pragma_interrupt): Likewise.
5719 (ghs_pragma_starttda): Likewise.
5720 (ghs_pragma_startsda): Likewise.
5721 (ghs_pragma_startzda): Likewise.
5722 (ghs_pragma_endtda): Likewise.
5723 (ghs_pragma_endsda): Likewise.
5724 (ghs_pragma_endzda): Likewise.
5726 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5727 Kenneth Zadeck <zadeck@naturalbridge.com>
5729 * Makefile.in: Removed tree-promote-statics.c
5730 * tree-promote-statics.c: Removed.
5731 * common.opt: Removed flag-promote-statics.
5733 * passes.c: Removed tree-promote-statics pass.
5734 * tree-pass.h: Ditto.
5735 * timevar.def: Removed TV_PROMOTE_STATICS.
5738 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5740 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5742 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5744 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5747 * c-common.c (check_function_arguments): Call
5748 'check_function_format' if either -Wformat or
5749 -Wmissing-format-attribute are specified.
5750 * c-format.c (check_function_format): Check -Wformat before
5751 calling 'check_format_info'.
5752 * c-opts.c (c_common_post_options): Don't warn for
5753 -Wmissing-format-attribute without -Wformat.
5754 * c-typeck.c (convert_for_assignment): Detect additional cases for
5755 -Wmissing-format-attribute.
5756 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5759 2005-07-19 Richard Guenther <rguenther@suse.de>
5761 * config/i386/i386.md (lrint<mode>2): Use temporary
5762 instead of clobbering non-existent memory.
5764 2005-07-19 Nick Clifton <nickc@redhat.com>
5766 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5767 statement to avoid displaying ASCII control characters.
5769 2005-07-19 Ben Elliston <bje@au.ibm.com>
5771 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5772 * cfganal.c (find_edge_index): Ditto.
5773 * combine.c (combine_instructions): Ditto.
5774 * ddg.c (create_scc): Ditto.
5775 (find_successors): Ditto.
5776 (find_predecessors): Ditto.
5777 (find_nodes_on_paths): Ditto.
5778 (longest_simple_path): Ditto.
5779 * flow.c (update_life_info): Ditto.
5780 (count_or_remove_death_notes): Ditto.
5781 (clear_log_links): Ditto.
5782 * modulo-sched.c (generate_reg_moves): Ditto.
5783 (find_max_asap): Ditto.
5784 (find_max_hv_min_mob): Ditto.
5785 (find_max_dv_min_mob): Ditto.
5786 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5787 * sched-rgn.c (extract_edgelst): Ditto.
5788 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5789 (dump_update_ssa): Ditto.
5790 (ssa_names_to_replace) Ditto.
5791 (switch_virtuals_to_full_rewrite): Ditto.
5792 (update_ssa): Ditto.
5793 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5795 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5797 Fix PR tree-optimization/22483
5799 * tree-complex.c (create_components): Use
5800 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5801 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5802 * tree-flow.h (safe_referenced_var_iterator): New structure.
5803 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5804 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5805 safe_referenced_var iterator.
5806 (add_type_alias): Ditto.
5808 2005-07-19 Steven Bosscher <stevenb@suse.de>
5810 * loop-init.c (rest_of_handle_loop2): Remove.
5811 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5812 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5813 (pass_rtl_loop_init, pass_rtl_loop_done,
5814 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5815 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5816 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5817 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5818 pass_tree_loop_done, and pass_tree_unswitch.
5819 (gate_loop): Rename to gate_tree_loop.
5820 * passes.c (init_optimization_passes): Update for renamed tree
5821 loop passes. Add the new loop2 passes as subpasses of loop2.
5822 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5823 Update for the renamed tree loop passes.
5825 2005-07-18 Ian Lance Taylor <ian@airs.com>
5828 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5829 blocks when optimizing.
5831 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5833 * common.opt (frename-registers): Initialize to 2.
5835 (fgcse-after-reload): Ditto.
5836 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5837 (process_options): Only change flag_web, flag_rename_registers,
5838 and flag_rerun_cse_after_loop if not explicitly set by user.
5840 2005-07-18 Jan Beulich <jbeulich@novell.com>
5842 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5843 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5844 in 64-bit mode the same as DImode in 32-bit mode.
5845 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5846 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5847 mode. Add new mode parameter.
5848 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5849 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5850 x86_64_shift_adj): New expanders.
5851 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5852 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5854 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5855 DImode shift splitters.
5856 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5857 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5860 2005-07-18 Jan Beulich <jbeulich@novell.com>
5862 * i386.md (movdi_extzv_1): New.
5863 (zero_extendhidi2): Combine alternatives and never force use of
5865 (zero_extendqidi2): Likewise. Don't restrict input selection.
5867 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5869 Fix PR tree-optimization/22531
5870 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5873 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5875 * tree-promote-statics.c (pass_promote_statics): Change dump file
5878 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5880 * tree-optimize.c (init_tree_optimization_passes): Add
5881 pass_eliminate_useless_stores pass.
5882 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5883 * tree-ssa-pre.c (is_copy_stmt): New function.
5884 (follow_copies_till_vuse): Ditto.
5885 (do_eustores): Ditto.
5886 (gate_eustores): Ditto.
5888 2005-07-16 Richard Henderson <rth@redhat.com>
5890 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5892 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5893 Kenneth Zadeck <zadeck@naturalbridge.com>
5895 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5896 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5897 ipa-type-escape.h, tree-promote-statics.c
5898 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5899 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5900 tree-promote-statics.c: new files.
5901 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5902 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5903 int nonlocal_set_p, mark_constant_function): Deleted.
5904 (rest_of_handle_cfg): Removed call to mark_constant_function.
5905 (nonoverlapping_component_refs_p): Added calls to support
5906 type based aliasing.
5907 * tree-ssa-alias.c (may_alias_p,
5908 compute_flow_insensitive_aliasing): Ditto.
5909 * calls.c (flags_from_decl_or_type): Removed reference to
5911 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5912 too many arguments. This is necessary for Spec 2000.
5913 * cgraph.h (const_function, pure_function): Removed.
5914 * common.opt: Added "fipa-pure-const", "fipa-reference",
5915 "fipa-type-escape", and "ftree-promote-static".
5917 * passes.c: Added ipa and tree-promote-statics passes.
5918 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5919 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5920 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5921 * tree-flow.h: Added exposed sra calls and addition of
5922 reference_vars_info field for FUNCTION_DECLS.
5923 * tree-pass.h: Added passes.
5924 * tree-sra.c: (sra_init_cache): New function.
5925 (sra_insert_before, sra_insert_after) Made public.
5926 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5928 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5929 aliasing. (may_alias_p): Added code to use type escape analysis to
5931 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5932 code to prune clobbers of static variables based on information
5933 produced in ipa-reference pass. Changed call clobbering so that
5934 statics are not marked as clobbered if the call does not clobber
5937 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5939 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5942 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5944 * doc/install.texi (*-*-solaris2*): Document recommended version
5945 of GNU binutils and mention GNU linker problem on Solaris 10.
5947 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5950 * c-decl.c (c_build_bitfield_integer_type): New function.
5951 (finish_struct): Call it.
5952 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5954 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5956 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5959 2005-07-16 Jan Hubicka <jh@suse.cz>
5961 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5962 (scale_bbs_frequencies_int): Watch roundoff errors.
5963 * predict.c (return_prediction): Initialize return_stmt.
5965 2005-07-16 Jan Hubicka <jh@suse.cz>
5967 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5968 after RTL profiling.
5970 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5973 * fold-const.c (build_range_check): Convert high/low to etype
5974 if we are only comparing against exp.
5976 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5978 Fix PR tree-optimization/22376
5979 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5981 (need_to_solve): New function.
5982 (compute_points_to_sets): Use it.
5984 2005-07-15 Jan Hubicka <jh@suse.cz>
5986 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5987 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5989 2005-07-15 Richard Guenther <rguenther@suse.de>
5991 * c-common.c (handle_flatten_attribute): New function.
5992 Add flatten function attribute.
5993 * doc/extend.texi: Document flatten function attribute.
5994 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5995 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5997 (cgraph_decide_inlining): Handle functions with flatten
6000 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6002 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6003 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6004 UNSPEC_XCHG, UNSPEC_AND): New.
6005 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6006 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6007 * config/rs6000/sync.md (FETCHOP): New code macro.
6008 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6010 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6011 (sync_compare_and_swap<mode>): Same.
6012 (sync_lock_test_and_set<mode>): Same.
6013 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6014 for QImode and HImode, and not PPC405.
6015 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6016 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6017 (sync_<fetchop>{si,di}_internal): New.
6018 (sync_nand{si,di}_internal): New.
6019 (sync_old_<fetchop>{si,di}_internal): New.
6020 (sync_old_nand{si,di}_internal): New
6021 (sync_new_<fetchop>{si,di}_internal): New.
6022 (sync_new_nand{si,di}_internal): New.
6023 (atomic_and{si,di}): New.
6024 (sync_new_nand{si,di}_internal): New.
6025 (atomic_and{si,di}): New.
6026 (sync_add<mode>_internal): Delete.
6027 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6028 (sync_sub<mode>_internal): Delte.
6029 (sync_subshort_internal): New.
6030 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6031 (sync_anddi_internal): Delete.
6032 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6033 (sync_booldi_internal): Delete.
6034 (sync_boolc<mode>_internal): Delete.
6035 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6036 (sync_boolc<mode>_internal2): Delete.
6037 (sync_boolcc<mode>_internal): Delete.
6038 (isync, lwsync): Use unspec instead of unspec_volatile.
6039 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6040 Revert UNSPEC_VOLATILE.
6041 (rs6000_split_atomic_op): New.
6042 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6044 2005-07-14 Eric Christopher <echristo@redhat.com>
6046 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6047 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6049 2005-07-14 Eric Christopher <echristo@redhat.com>
6051 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6053 2005-07-14 Steven Bosscher <stevenb@suse.de>
6055 PR tree-optimization/22230
6056 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6057 the computation of the four cross productions for "range op range".
6059 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6060 Ulrich Weigand <uweigand@de.ibm.com>
6063 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6066 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6068 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6070 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6072 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6074 2005-07-14 Richard Guenther <rguenther@suse.de>
6077 * config/i386/i386-protos.h (ix86_function_value): Change
6078 prototype to match new target hook.
6079 * config/i386/i386.c (ix86_value_regno): Change prototype
6080 to take extra type argument.
6081 (TARGET_FUNCTION_VALUE): Define.
6082 (ix86_function_ok_for_sibcall): Pass extra argument to
6083 ix86_value_regno, check return slot rtx for exact match.
6084 (ix86_function_value): Take extra parameter. Dispatch to
6085 ix86_value_regno with fndecl/fntype as provided.
6086 (ix86_value_regno): Handle extra type argument.
6087 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6089 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6090 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6091 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6092 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6093 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6095 2005-07-14 Richard Guenther <rguenther@suse.de>
6097 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6098 * calls.c (expand_call): Pass fntype to hard_function_value.
6099 (emit_library_call_value_1): Likewise.
6100 * explow.c: Include target.h.
6101 (hard_function_value): Take extra argument, the fntype.
6102 Use new target hook for function_value.
6103 * expr.h (hard_function_value): Change prototype.
6104 * function.c (aggregate_value_p): Pass 0 as fntype to
6105 hard_function_value.
6106 (assign_parms): Use new target hook for function_value.
6107 Pass 0 as fntype to hard_function_value.
6108 (expand_function_end): Likewise.
6109 * reg-stack.c: Include target.h.
6110 (stack_result): Use new target hook for function_value.
6111 * target-def.h: New target hook function_value.
6112 * target.h: Likewise.
6113 * targhooks.c (default_function_value): New function.
6114 * targhooks.h (default_function_value): Declare.
6116 2005-07-13 Ian Lance Taylor <ian@airs.com>
6118 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6120 2005-07-14 Jan Hubicka <jh@suse.cz>
6122 * tree-dfa.c (dump_variable): Use default_def function.
6123 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6124 * tree-ssa.c (verify_use): Likewise.
6125 * tree-ssanames.c (release_ssa_name): Likewise.
6126 * tree-tailcall.c (eliminate_tail_call): Likewise.
6127 (tree_optimize_tail_calls_1): Likewise.
6128 * tree-vrp.c (get_value_range): Likewise.
6130 2005-07-14 Ben Elliston <bje@au.ibm.com>
6132 * gcc.c (main): Compare language[0] with '*' when iterating over
6135 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6137 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6138 "s390_emit_compare". Add handling of CCZ1mode.
6139 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6140 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6142 (s390_branch_condition_mask): Add CCZ1mode handling.
6143 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6144 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6145 Use CCZ1mode instead of CCZmode.
6146 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6148 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6150 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6152 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6154 2005-07-13 Eric Christopher <echristo@redhat.com>
6156 * config/mips/mips.c (mips_canonicalize_comparison): New.
6157 (mips_emit_int_relational): Use.
6159 2005-07-13 Eric Christopher <echristo@redhat.com>
6161 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6163 * config/s390/s390.md: Include tpf.md. Move tpf specific
6165 * config/s390/tpf.md: To here.
6166 * config/s390/s390.opt: Move tpf specific options...
6167 * config/s390/tpf.opt: to here. Add mmain option.
6168 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6169 * config/s390/tpf.h: Rewrite.
6171 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6173 * doc/tm.texi: Remove @xref{Cross-profiling}.
6175 2005-07-13 Jeff Law <law@redhat.com>
6177 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6178 expressions, test their _DECL operands for pointer equality rather
6179 than using operand_equal_p.
6181 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6183 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6184 (TARGET_POSIX_IO): This.
6185 * config/darwin.h: Likewise.
6186 * config/freebsd.h: Likewise.
6187 * config/linux.h: Likewise.
6188 * config/lynx.h: Likewise.
6189 * config/netbsd.h: Likewise.
6190 * config/rs6000/linux64.h: Likewise.
6191 * config/rs6000/linux.h: Likewise.
6192 * config/s390/tpf.h: Likewise.
6193 * config/sh/embed-elf.h: Likewise.
6194 * config/sparc/linux64.h: Likewise.
6195 * config/sparc/linux.h: Likewise.
6196 * config/svr4.h: Likewise.
6197 * gcov-io.h: Likewise.
6199 * doc/tm.texi: Updated.
6201 * libgcov.c (create_file_directory): Defined only if
6202 TARGET_POSIX_IO is defined.
6203 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6206 2005-07-13 Jan Hubicka <jh@suse.cz>
6208 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6210 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6212 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6213 structure as argument.
6215 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6217 PR tree-optimization/21921
6218 * tree-iterator.c (tsi_link_before): Support the case when
6219 tsi_end_p (tsi) == true.
6221 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6223 PR tree-optimization/22442
6224 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6227 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6229 PR rtl-optimization/20376
6230 * toplev.c (process_options): Enable -fweb and -frename-registers when
6232 * doc/invoke.texi: Update the information about when -fweb and
6233 -frename-registers are enabled.
6235 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6238 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6239 if *rhs_p is not a SSA_NAME.
6241 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6243 Fix PR tree-optimization/22422
6244 * tree-ssa-structalias.c (struct variable_info): Add flag for
6246 (get_varinfo): Now a static function.
6247 (new_varinfo): init has_union and is_special_var to false.
6248 (solution_set_add): Check has_union.
6249 (do_da_constraint): Move temporary variable so it gets reset
6251 Also check for special variable.
6252 (do_ds_constraint): Ditto.
6253 (do_sd_constraint): Ditto.
6254 (do_structure_copy): Check for special variable.
6255 (find_func_aliases): Ditto.
6256 (init_base_vars): Set special vars properly.
6258 2005-07-13 Jan Hubicka <jh@suse.cz>
6260 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6263 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6264 (get_expr_operands): Fix thinko wrt flags and subvars.
6266 PR tree-optimize/22379
6267 * tree-inline.c (expand_call_inline): Do not output sorry in early
6270 2005-07-12 Dale Johannesen <dalej@apple.com>
6272 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6274 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6277 * host-linux.h: Include limits.h.
6279 2005-07-12 Dale Johannesen <dalej@apple.com>
6281 * expr.c (compress_float_constant): Add cost check.
6282 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6284 2005-07-12 Dale Johannesen <dalej@apple.com>
6286 * gcc.target/i386/compress-float-sse.c: New.
6287 * gcc.target/i386/compress-float-sse-pic.c: New.
6288 * gcc.target/i386/compress-float-387.c: New.
6289 * gcc.target/i386/compress-float-387-pic.c: New.
6290 * gcc.dg/compress-float-ppc.c: New.
6291 * gcc.dg/compress-float-ppc-pic.c: New.
6293 2005-07-12 Eric Christopher <echristo@redhat.com>
6295 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6297 * config/s390/s390.md: Include tpf.md. Move tpf specific
6299 * config/s390/tpf.md: To here.
6300 * config/s390/s390.opt: Move tpf specific options...
6301 * config/s390/tpf.opt: to here. Add mmain option.
6302 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6303 * config/s390/tpf.h: Rewrite.
6305 2005-07-12 Eric Christopher <echristo@redhat.com>
6307 * gcc.c (struct infile): Update comment for language.
6308 (main): Rewrite input file resetting code.
6310 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6313 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6314 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6315 (lookup_avail_expr): Use constant_boolean_node instead
6316 of boolean_false_node/boolean_true_node.
6318 2005-07-12 Ben Elliston <bje@au.ibm.com>
6320 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6321 and use it when printing num_edges.
6323 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6325 * doc/extend.texi (Blackfin Built-in Functions): New section.
6326 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6329 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6331 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6332 s/cmpstrsi/cmpstrnsi
6333 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6335 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6336 (init_optabs): Initialize cmpstrn_optab.
6337 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6338 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6339 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6340 * config/i386/i386.md: s/cmpstr/cmpstrn
6341 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6342 * doc/md.texi: Update documentation.
6344 2005-07-11 Richard Henderson <rth@redhat.com>
6346 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6347 build_va_arg_indirect_ref.
6348 (alpha_gimplify_va_arg): Likewise.
6349 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6350 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6351 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6352 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6353 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6354 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6356 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6358 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6360 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6361 * passes.c (init_optimization_passes): Add pass_empty_loop.
6362 * tree-pass.h (pass_empty_loop): Declare.
6363 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6364 try_remove_empty_loop, remove_empty_loops): New functions.
6365 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6366 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6368 2005-07-12 Peter Barada <peter@the-baradas.com>
6372 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6373 in address registers.
6374 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6375 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6376 alternative of addsi3_5200.
6378 2005-07-11 Ian Lance Taylor <ian@airs.com>
6380 * config/mips/mips.md (ffs<mode>2): Remove.
6382 2005-07-11 Ian Lance Taylor <ian@airs.com>
6384 * doc/tree-ssa.texi (Cleanups): Improve description of
6386 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6388 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6390 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6391 * tree.h (DECL_ARGUMENT_FLD): New macro.
6393 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6395 Fix PR tree-optimization/22404
6397 * tree-ssa-structalias.c (create_variable_info_for): Use
6400 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6402 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6403 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6404 for second comparison operand.
6405 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6407 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6408 (define_insn_reservation "alu"): Likewise.
6409 (csync, ssync): Now of type sync.
6410 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6411 -mcsync-anomaly -mspecld-anomaly.
6412 * config/bfin/bfin.opt (mcsync): Remove.
6413 (mcsync-anomaly, mspecld-anomaly): Add.
6414 * config/bfin/bfin.c: Include "insn-codes.h".
6415 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6416 (TARGET_DEFAULT_TARGET_FLAGS): New.
6417 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6419 2005-07-11 Steven Bosscher <stevenb@suse.de>
6421 * basic-block.h: Give the BB flags enum a name, bb_flags.
6422 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6423 * cfgcleanup.c (enum bb_flags): Remove here.
6424 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6425 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6426 (update_forwarder_flag): Likewise.
6427 (thread_jump): Likewise.
6428 (try_forward_edges): Likewise.
6429 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6430 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6431 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6433 2005-07-11 Richard Guenther <rguenther@suse.de>
6435 * config/i386/i386.opt: New target option -msseregparm.
6436 * config/i386/i386.c (override_options): Error out for
6437 -msseregparm but no SSE support.
6438 (ix86_function_sseregparm): Check for global sseregparm.
6439 * doc/invoke.texi: Document -msseregparm.
6441 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6443 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6444 (m32rle-*-linux*): Ditto.
6446 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6448 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6449 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6452 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6456 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6457 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6459 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6461 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6462 (varmap): Heapify varmap.
6463 (constraints): Heapify constraints.
6464 (struct constraint_graph): Heapify succs and preds.
6465 (constraint_vec_find): Update for heapification.
6466 (constraint_set_union): Ditto.
6467 (insert_into_complex): Ditto.
6468 (constraint_edge_vec_find): Ditto.
6469 (erase_graph_self_edge): Ditto.
6470 (add_graph_edge): Ditto.
6471 (get_graph_weights): Ditto.
6472 (merge_graph_nodes): Ditto.
6473 (build_constraint_graph): Ditto.
6474 (topo_visit): Ditto.
6475 (solve_graph): Ditto.
6476 (create_variable_info_for): Ditto.
6477 (init_base_vars): Ditto.
6478 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6479 (condese_varmap_nodes): Free complex vector.
6480 (clear_edges_for_node): Clear succs and preds vector.
6482 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6484 * tree-ssa-structalias.c (update_alias_info): Change counting of
6485 references to not include vdefs.
6487 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6489 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6492 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6494 * pa.c (pa_commutative_p): Make PLUS commutative when
6495 TARGET_NO_SPACE_REGS is true.
6497 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6499 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6500 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6501 * tree-dfa.c (dump_subvars_for): New.
6502 (debug_subvars_for): New.
6503 (dump_variable): Show subvariables if VAR has them.
6504 * tree-flow-inline.h (get_subvar_at): New.
6505 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6506 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6508 (struct subvar): Change fields offset and size to unsigned
6510 (dump_subvars_for): Declare.
6511 (debug_subvars_for): Declare.
6512 (get_subvar_at): Declare.
6513 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6514 to unsigned HOST_WIDE_INT *.
6515 (overlap_subvar): Likewise.
6516 * tree-gimple.c (is_gimple_reg): Always return false for
6517 SFTs and memory tags.
6518 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6520 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6521 (compute_may_aliases): Call compute_points_to_sets.
6522 (collect_points_to_info_for): Remove.
6523 (compute_points_to_and_addr_escape): Remove.
6524 (delete_alias_info): Call delete_points_to_sets.
6525 (compute_flow_sensitive_aliasing): If the call to
6526 find_what_p_points_to returns false, call set_pt_anything.
6527 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6528 (set_pt_anything): Clear pi->pt_vars.
6529 (set_pt_malloc): Remove.
6530 (merge_pointed_to_info): Remove.
6531 (add_pointed_to_expr): Remove.
6532 (add_pointed_to_var): Remove.
6533 (collect_points_to_info_r): Remove.
6534 (is_escape_site): Make extern.
6536 (create_overlap_variables_for): Call it.
6537 * tree-ssa-copy.c (merge_alias_info): Never merge
6538 flow-sensitive alias information.
6539 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6540 offset and size to be unsigned HOST_WIDE_INT.
6541 (add_to_addressable_set): Rename from note_addressable.
6542 Set TREE_ADDRESSABLE as the variables are added to the set.
6544 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6545 operands into VUSEs when adding V_MAY_DEFs for members in an
6547 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6548 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6549 (struct variable_info): Add bitfield is_heap_var.
6550 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6551 (new_var_info): Initialize is_heap_var.
6552 (get_constraint_for): Add HEAP variables to the symbol table.
6553 Mark them with is_heap_var.
6554 (update_alias_info): New. Taken mostly from the old
6555 compute_points_to_and_addr_escape.
6556 (handle_ptr_arith): New.
6557 (find_func_aliases): Call update_alias_info.
6558 Call handle_ptr_info for tcc_binary expressions.
6559 Call mark_stmt_modified.
6560 (create_variable_info_for): If DECL has subvars, do not create
6561 variables for its subvars. Always add all the fields.
6562 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6563 SFTs, then add all the SFTs of the structure.
6564 If VI->DECL is an aggregate with subvariables, add the SFT at
6566 (find_what_p_points_to): If VI is an artificial variable,
6567 translate to bitfields in SSA_NAME_PTR_INFO.
6568 If the solution is empty, set pi->pt_vars to NULL
6569 (init_base_vars): Create ANYOFFSET.
6570 (compute_points_to_sets): Rename from create_alias_vars.
6572 (pass_build_pta): Remove.
6573 (delete_points_to_sets): Rename from delete_alias_vars.
6574 (pass_del_pta): Remove.
6575 * tree-ssa-structalias.h (struct alias_info): Move from
6577 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6578 NUM_REFERENCES_SET): Likewise.
6579 (compute_points_to_sets, delete_points_to_sets): Declare.
6581 2005-07-09 Richard Henderson <rth@redhat.com>
6583 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6584 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6585 alpha_split_lock_test_and_set_12): New functions.
6586 * config/alpha/alpha-protos.h: Update.
6587 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6588 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6589 * config/alpha/sync.md (I12MODE): New.
6590 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6591 (sync_<fetchop_name><I48MODE>): Likewise.
6592 (sync_nand<I48MODE>): Likewise.
6593 (sync_old_<fetchop_name><I48MODE>): Likewise.
6594 (sync_new_<fetchop_name><I48MODE>): Likewise.
6595 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6596 (sync_compare_and_swap<I48MODE>): Likewise.
6597 (sync_lock_test_and_set<I48MODE>): Likewise.
6598 (sync_compare_and_swap<I12MODE>): New.
6599 (sync_compare_and_swap<I12MODE>_1): New.
6600 (sync_lock_test_and_set<I12MODE>): New.
6601 (sync_lock_test_and_set<I12MODE>_1): New.
6603 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6607 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6609 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6611 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6612 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6614 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6617 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6619 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6621 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6622 memory_operand constraint.
6623 (store_conditional_<mode>): Same.
6624 (sync_compare_and_swap<mode>): Same.
6625 (sync_lock_test_and_set<mode>): Same.
6627 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6629 Rewrite PIC support to more closely model actual instructions.
6630 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6631 (cris_symbol): Remove prototypes for removed functions.
6632 (cris_pic_symbol_type_of, cris_valid_pic_const)
6633 (cris_expand_pic_call_address): Prototypes for new functions.
6634 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6636 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6638 <case ':'>: Add case for new punctuation character.
6639 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6640 emitting (extra) PIC modifier.
6641 <case UNSPEC>: Do not assert for PLT.
6642 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6643 (cris_expand_prologue, cris_expand_epilogue): Check
6644 for pic_offset_table_rtx usage instead of taking
6645 current_function_uses_pic_offset_table as the final word.
6646 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6647 Remove flag_pic difference.
6648 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6649 the moral equivalents of...
6650 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6652 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6653 (cris_handle_option): Mark ARG as unused.
6654 (cris_expand_pic_call_address): New worker function for "call",
6656 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6657 output PIC constructs here.
6658 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6659 as symbol-specific modifers, not whole or part of operands.
6660 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6661 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6662 constants and flag_pic.
6663 (CONSTANT_INDEX_P): Adjust for new functions.
6664 (enum cris_pic_symbol_type): New helper type.
6665 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6666 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6667 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6669 ("movsi"): Emit actual instructions for GOT and relative access.
6670 ("*movsi_got_load"): New pattern to set up the register holding
6672 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6673 Adjust FIXME for 'S'.
6674 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6675 Use "movs" for -fpic cases.
6676 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6677 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6678 ("call", "call_value"): Just call cris_expand_pic_call_address for
6680 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6681 Remove special pattern.
6682 ("*expanded_call_side", "*expanded_call_value_side"): New
6684 (gotplt-to-plt, gotplt-to-plt-side-call)
6685 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6687 * config/cris/cris/predicates.md
6688 ("cris_general_operand_or_gotless_symbol"): Remove unused
6690 ("cris_general_operand_or_symbol"): Adjust for new functions.
6692 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6694 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6696 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6698 * Makefile.in (TREE_H): Add treestruct.def.
6699 (c-decl.o): Add pointer-set.h
6700 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6701 visibility on regular DECL's.
6702 (merge_decls): Fix the copying of decl nodes of various types for
6703 the new structures. Don't update RTL, section name, weak status,
6704 etc, on DECL's without RTL.
6705 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6706 Don't check volatile on non-variable types.
6707 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6708 to check whether we have seen arguments.
6709 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6710 flag is checked before field (flag is common, field is not).
6711 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6712 TS_DECL_COMMON could have an origin.
6713 (add_location_or_const_value_attribute): Don't check section name
6714 on non-var/function decls.
6715 (dwarf2out_var_location): Reverse order of tests.
6716 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6717 with DECL_WRTL_CHECK.
6718 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6719 * fold-const.c (fold_binary): Don't check weakness on
6720 non-var/function decls.
6721 (tree_expr_nonzero_p): Ditto.
6722 (fold_checksum_tree): Use tree_decl_extra as sizeof
6724 * ggc-page.c (extra_order_size_table): Add sizes for
6725 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6727 * gimplify.c (gimplify_bind_expr): Only set
6728 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6729 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6731 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6732 * langhooks.h (init_ts). New langhook.
6733 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6734 * print-tree.c (print_node): Update to only print fields that
6735 exist in the structures the passed decl has.
6736 * toplev.c (wrapup_global_declarations): Don't reset
6737 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6738 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6739 * tree-inline.c (remap_decl): Ditto.
6740 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6741 * tree-pretty-print.c (print_declaration): Don't print
6742 DECL_REGISTER on things that don't contain it.
6743 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6744 non-var/function decls.
6745 * tree.c (tree_contains_struct): New structure.
6746 (init_priority_for_decl): New hashtable.
6747 (tree_int_map): New structure.
6748 (tree_int_map_eq): New function.
6749 (tree_int_map_marked_p): Ditto.
6750 (tree_int_map_hash): Ditto.
6751 (tree_map): Move to tree.h.
6752 (tree_map_eq): Externalize.
6753 (tree_map_hash): Ditto.
6754 (tree_map_marked_p): Ditto.
6755 (init_ttree): Set up tree_contains_struct and call langhook.
6756 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6757 (tree_code_size): Update for new structures.
6758 (tree_node_structure): Update for new structures.
6759 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6761 (copy_node_stat): Copy init priority.
6762 (build_decl_stat): Ditto for visibility.
6763 (ts_enum_names): New.
6764 (tree_contains_struct_check_failed): New function.
6765 (decl_init_priority_lookup): Ditto.
6766 (decl_init_priority_insert): Ditto.
6767 * treestruct.def: New file.
6768 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6769 (CONTAINS_STRUCT_CHECK): Ditto.
6770 (tree_contains_struct_check_failed): New prototype.
6771 (DECL_CHECK): Removed.
6772 (DECL_MINIMAL_CHECK): New.
6773 (DECL_COMMON_CHECK): Ditto.
6774 (DECL_WRTL_CHECK): Ditto.
6775 (DECL_NON_COMMON_CHECK): Ditto.
6776 (DECL_WITH_VIS_CHECK): Ditto.
6777 (VAR_OR_FUNCTION_DECL_P): Ditto
6778 (struct tree_decl_minimal): New structure.
6779 (struct tree_decl_common): Ditto.
6780 (struct tree_decl_with_rtl): Ditto.
6781 (struct tree_decl_with_vis): Ditto.
6782 (struct tree_decl_non_common): Ditto.
6783 (struct tree_field_decl): Ditto.
6784 (struct tree_parm_decl): Ditto.
6785 (struct tree_var_decl): Ditto.
6786 (struct tree_function_decl): Ditto.
6787 (struct tree_const_decl): Ditto.
6788 (struct tree_result_decl): Ditto.
6789 (union tree_node): Add new structures.
6790 * var-tracking.c (track_expr_p): Reverse order of tests.
6792 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6794 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6796 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6797 * system.h: Poison FINALIZE_PIC.
6798 * doc/tm.texi (FINALIZE_PIC): Remove.
6800 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6803 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6804 to the correct type if we have a MODIFY_EXPR.
6806 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6808 PR tree-optimization/22360
6809 * tree.c (upper_bound_in_type): Fix calculations for casting
6810 to a non-wider signed type and casting a signed value to a
6811 wider unsigned type.
6812 (lower_bound_in_type): Fix calculations for casting to a
6813 non-wider signed type.
6815 PR tree-optimization/20139
6816 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6818 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6819 fold_cond_expr_cond.
6820 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6821 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6823 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6826 * tree-complex.c (expand_complex_libcall): Produce
6827 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6829 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6831 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6832 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6833 b" assert and inserted fastpath code for this case.
6834 (bitmap_ior): Removed "a != b" assert.
6836 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6838 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6839 (ENDFILE_SPEC): Likewise.
6840 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6842 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6843 a large stack frame at epilogue.
6845 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6847 * final.c: Include sdbout.h when required.
6849 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6851 * config.gcc (*-*-darwin*): Only one target-specific header file
6853 (powerpc-*-darwin*): Add version-specific header files.
6854 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6855 * config.in: Regenerate.
6856 * configure: Regenerate.
6857 * gcc.c: Include xregex.h.
6858 (version_compare_spec_function): New.
6859 (spec_function): Add version-compare.
6860 (replace_outfile_spec_function): Reformat comment.
6861 (compare_version_strings): New.
6862 * config/darwin-c.c (version_as_macro): New.
6863 (builtin_define): New.
6864 (darwin_cpp_builtins): New.
6865 * config/darwin-protos.h (darwin_cpp_builtins): New.
6866 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6867 (LIB_SPEC): Make unconditional, update comment.
6868 (TARGET_C99_FUNCTIONS): Define.
6869 * config/darwin.opt: Sort.
6870 (mmacosx-version-min=): New.
6871 * config/darwin7.h: Delete.
6872 * config/darwin8.h: Delete.
6873 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6874 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6875 (TARGET_C99_FUNCTIONS): Define.
6876 * config/rs6000/darwin7.h: New.
6877 * config/rs6000/darwin8.h: New.
6878 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6879 (-mmacosx-version-min): Document.
6881 2005-07-07 Ian Lance Taylor <ian@airs.com>
6883 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6885 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6888 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6890 2005-07-07 Khem Raj <kraj@mvista.com>
6892 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6893 in bytes, not words.
6895 2005-07-07 Paul Brook <paul@codesourcery.com>
6897 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6898 DEFAULT_FUNCTION_ARG_PADDING to upward.
6900 2005-07-07 Richard Henderson <rth@redhat.com>
6902 * function.c (locate_and_pad_parm): Record parameter alignment in
6903 stack_alignment_needed.
6905 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6907 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6908 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6909 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6910 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6911 (define_attr "type"): Add isync, sync, load_l, store_c.
6912 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6913 Create scratch volatile MEM.
6914 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6916 (load_locked_<mode>): New.
6917 (store_conditional_<mode>): New.
6918 (sync_compare_and_swap<mode>): Replace with splitter.
6919 (sync_lock_test_and_set<mode>): Replace with splitter.
6920 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6922 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6923 is ics. Attribute isync.
6924 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6926 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6927 and UNSPECV_SYNC_OP.
6928 (emit_unlikely_jump): New.
6929 (emit_load_locked): New.
6930 (emit_store_conditional): New.
6931 (rs6000_split_compare_and_swap): New.
6932 (rs6000_split_lock_test_and_set): New.
6933 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6934 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6935 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6936 rs6000_split_lock_test_and_set): Declare.
6937 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6938 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6939 store_c, isync, sync.
6941 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6943 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6944 filenames to gtyp-gen.h.
6945 (s-typ-gen): Use it in place of for loops.
6947 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6949 * hooks.c (hook_bool_rtx_int_false): New function.
6950 * hooks.h (hook_bool_rtx_int_false): Declare.
6951 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6952 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6953 * target.h (struct gcc_target): Add commutative_p member.
6954 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6955 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6956 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6957 (pa_commutative_p): New function.
6958 * jump.c (target.h): Include.
6959 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6960 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6962 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6964 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6965 (s390_expand_setmem): New.
6966 * config/s390/s390.c: Likewise.
6967 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6969 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6970 general_operand. Call new function "s390_expand_setmem".
6971 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6972 ("setmem_long", "*setmem_long"): ... this.
6974 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6976 * config/s390/s390.c: (optimization_options): Enable
6977 TARGET_MVCLE at -Os.
6978 * doc/invoke.texi: Document changes in default behaviour.
6979 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6981 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6983 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6984 defined by back-end.
6986 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6988 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6989 all sets in the pattern.
6990 * config/rs6000/rs6000.md (stack_protect_testsi,
6991 stack_protect_testdi): Likewise.
6993 2005-07-06 Jeff Law <law@redhat.com>
6995 * tree-vrp.c (simplify_using_ranges): Kill.
6996 (vrp_finalize): Remove call to simplify_using_ranges.
6997 (simplify_stmt_using_ranges): New function extracted from
6998 simplify_using_ranges.
6999 (simplify_div_or_mod_using_ranges): Likewise.
7000 (simplify_abs_using_ranges): Likewise.
7001 (simplify_cond_using_ranges): New function.
7002 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7003 * tree-ssa-propagate.c (substitute_and_fold): Call
7004 simplify_stmt_using_ranges if we have range information.
7006 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7008 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7009 ia64_flag_schedule_isns2.
7011 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7012 reading/writing general registers.
7013 (ia64_function_arg): Revert 2005-06-18 change.
7015 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7017 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7018 (legitimize_tls_address): Use gcc_unreachable instead of abort.
7020 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
7022 * function.c (expand_function_end): Revert part of 2005-06-27
7023 patch. Do sjlj_emit_function_exit_after after return_label.
7025 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7027 * doc/install.texi (--disable-libssp): New.
7029 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7031 * doc/invoke.texi: Update -fforce-mem documentation.
7032 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7033 code for -fforce-mem.
7034 * expmed.c: (store_bit_field,store_fixed_bit_field,
7035 extract_bit_field): Ditto.
7036 * expr.c: (convert_move): Ditto.
7037 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7038 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7039 emit_conditional_add,expand_float,expand_fix): Ditto.
7040 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7041 (common_handle_option): Issue warning when -fforce-mem specified.
7043 2005-07-06 Paul Brook <paul@codesourcery.com>
7045 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7047 * configure: Regenerate.
7049 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7051 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7053 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7055 Fix PR tree-optimization/22319
7056 Fix PR tree-optimization/22140
7057 Fix PR tree-optimization/22310
7059 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7060 variable sized types.
7061 Use correct type for intermediate structure on *a = *b structure
7064 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7066 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7068 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7069 (machine_function): Move typedef to...
7070 * config/rs6000/rs6000.c (machine_function): ... here. Add
7071 varargs_save_offset field.
7072 (rs6000_stack_t): Remove varargs_size field.
7073 (setup_incoming_varargs): Allocate varargs save area using
7074 assign_stack_local, try to make it as small as possible.
7075 Save offset from virtual_stack_vars_rtx to the save area
7076 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7077 instead of magic 8 when fp word byte size is used.
7078 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7079 instead of -RS6000_VARARGS_SIZE.
7080 (rs6000_stack_info, debug_stack_info,
7081 rs6000_initial_elimination_offset): Remove all traces of
7083 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7084 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7085 RS6000_VARARGS_AREA.
7087 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7089 PR tree-optimization/21963
7090 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7091 constant_multiple_of in the same way get_computation_cost_at does.
7093 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7095 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7096 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7097 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7098 and return its previous value.
7099 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7100 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7102 (stack_protect_set, stack_protect_test): New expanders.
7103 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7104 stack_protect_testdi): New insns.
7105 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7106 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7108 2005-07-06 Jeff Law <law@redhat.com>
7110 * tree-ssa-dce.c (cfg_altered): New global.
7111 (tree_dce_init): Initialize cfg_altered.
7112 (remove_dead_stmt): If we remove an edge in the CFG, then set
7114 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7117 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7119 * Makefile.in (stamp-collect-ld): Use
7120 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7121 ./collect-ld if it already exists.
7122 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7123 Don't remove ./nm if it already exists.
7125 2005-07-05 Devang Patel <dpatel@apple.com>
7127 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7128 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7129 * tree-vectorizer.c (vect_loop_location): New.
7130 (vect_print_dump_info): Use vect_loop_location.
7131 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7132 (vectorize_loops): Set vect_loop_location.
7133 * tree-vect-analyze.c (vect_analyze_offset_expr,
7134 vect_determin_vectorization_factor, vect_analyze_operations,
7135 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7136 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7137 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7138 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7139 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7140 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7141 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7142 vect_analyze_loop): Adjust vect_print_dump_info API.
7143 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7144 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7145 vect_finish_stmt_generation, vectorizable_assignment,
7146 vectorizable_operation, vectorizable_store, vectorizable_load,
7147 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7148 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7149 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7150 vect_transform_loop): Same.
7151 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7152 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7155 2005-07-05 Randolph Chung <tausq@debian.org>
7157 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7158 * configure: Regenerate.
7159 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7160 (pa_tls_referenced_p): Declare.
7161 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7162 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7163 (legitimize_tls_address): New.
7164 (hppa_legitimize_address): Handle TLS addresses.
7165 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7166 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7167 (emit_move_sequence): Handle TLS addresses.
7168 (pa_encode_section_info): Call default handler to handle common
7170 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7171 (CONSTANT_ADDRESS_P): Reject TLS operands.
7172 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7173 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7174 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7175 (UNSPEC_TLSLE): Define new constants.
7176 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7177 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7178 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7179 (tie_symbolic_operand, tle_symbolic_operand): New
7181 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
7183 * aclocal.m4: Update macros for autoconf 2.59 style.
7184 * configure.ac: Likewise.
7186 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7188 * pa.c (function_value): Handle small aggregates on 32-bit targets.
7189 (function_arg): Pass small aggregates in general registers on 32-bit
7191 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7193 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7195 * Makefile.in (final.o): Fix dependencies.
7197 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7201 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7202 * langhooks.c (lhd_expr_to_decl): New.
7203 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7205 (LANG_HOOKS_INITIALIZER): Update.
7206 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7207 expr_to_decl langhook.
7208 * c-tree.h (c_expr_to_decl): Declare.
7209 * c-typeck.c (c_expr_to_decl): New.
7210 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7212 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7214 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7217 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7218 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7220 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7222 * Makefile.in: Adjust dependencies.
7223 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7224 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7225 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7226 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7227 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7228 rest_of_compilation.
7230 * bb-reorder.c (gate_duplicate_computed_gotos,
7231 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7232 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7233 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7234 pass_partition_blocks): New.
7235 * bt-load.c (gate_handle_branch_target_load_optimize,
7236 rest_of_handle_branch_target_load_optimize,
7237 pass_branch_target_load_optimize): New.
7238 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7240 * cfglayout.c (pass_insn_locators_initialize): New.
7241 * cfgrtl.c (pass_free_cfg): New.
7242 * combine.c (gate_handle_combine, rest_of_handle_combine,
7244 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7245 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7246 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7247 * except.c (pass_set_nothrow_function_flags,
7248 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7250 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7251 rest_of_handle_shorten_branches, pass_shorten_branches,
7252 rest_of_clean_state, pass_clean_state): New.
7253 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7254 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7255 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7257 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7258 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7259 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7260 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7262 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7263 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7264 pass_rtl_ifcvt, gate_handle_if_after_combine,
7265 rest_of_handle_if_after_combine, pass_if_after_combine,
7266 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7267 pass_if_after_reload): New.
7268 * integrate.c (pass_initial_value_sets): New.
7269 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7270 pass_purge_lineno_notes): New.
7271 * mode-switching.c (rest_of_handle_mode_switching,
7272 pass_mode_switching): New.
7273 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7274 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7276 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7277 pass_loop_optimize): New.
7278 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7280 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7282 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7283 pass_postreload_cse): New.
7284 * profile.c (gate_handle_profiling, pass_profiling,
7285 rest_of_handle_branch_prob, pass_branch_prob): New.
7286 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7287 pass_split_before_regstack, gate_handle_split_before_regstack,
7288 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7289 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7290 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7291 pass_stack_regs): New.
7292 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7293 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7294 pass_stack_adjustments): New.
7295 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7296 pass_regrename): New.
7297 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7298 pass_delay_slots, gate_handle_machine_reorg,
7299 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7300 * rtl.h (extern void purge_line_number_notes): New.
7301 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7302 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7304 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7306 * value-prof.c (gate_handle_value_profile_transformations,
7307 rest_of_handle_value_profile_transformations,
7308 pass_value_profile_transformations): New.
7309 * var-tracking.c (gate_handle_var_tracking,
7310 pass_variable_tracking): New.
7311 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7313 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7314 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7315 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7316 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7317 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7318 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7319 rest_of_handle_gcse2, rest_of_handle_regmove,
7320 rest_of_handle_tracer, rest_of_handle_if_conversion,
7321 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7322 rest_of_handle_web, rest_of_handle_branch_prob,
7323 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7324 rest_of_handle_jump_bypass, rest_of_handle_combine,
7325 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7326 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7327 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7328 rest_of_handle_mode_switching, rest_of_handle_jump,
7329 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7330 rest_of_handle_flow2, rest_of_handle_jump2,
7331 rest_of_handle_peephole2, rest_of_handle_postreload,
7332 rest_of_handle_shorten_branches, rest_of_clean_state,
7333 rest_of_compilation): Remove.
7335 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7336 * passes.c (dump_flags, in_gimple_form, all_passes,
7337 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7338 register_dump_files, next_pass_1, last_verified, execute_todo,
7339 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7340 from tree-optimize.c.
7341 (init_optimization_passes): Moved from tree-optimize.c,
7342 adding the RTL optimizations.
7343 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7344 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7345 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7346 register_dump_files, next_pass_1, last_verified, execute_todo,
7347 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7348 init_tree_optimization_passes, ipa_passes): Delete.
7349 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7351 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7352 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7354 (ipa_passes): Remove.
7355 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7356 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7357 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7358 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7359 (dump_info_p, dump_flag): Moved to tree-dump.h.
7361 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7363 * passes.c (finish_optimization_passes): Use dump_begin
7364 and dump_end, TDI_end.
7365 (gate_rest_of_compilation): New.
7366 (pass_rest_of_compilation): Use it.
7367 (gate_postreload, pass_postreload): New.
7368 * toplev.c (general_init): Rename init_tree_optimization_passes.
7369 * toplev.h (init_tree_optimization_passes): Rename to
7370 init_optimizations_passes.
7371 * tree-dump.c (dump_flag): Make static.
7372 (dump_files): Remove RTL dumps.
7373 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7374 pass_cleanup_cfg, pass_free_cfg_annotations,
7375 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7376 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7377 * tree-pretty-print.c: Include tree-pass.h.
7378 * cgraph.c: Include tree-dump.h.
7380 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7382 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7383 Only fall back to saying it points to readonly memory if
7386 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7388 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7389 * config/m32r/m32r.c (m32r_compute_frame_size,
7390 m32r_expand_prologue): Take current_function_profile into
7391 account whenever we reference
7392 current_function_uses_pic_offset_table.
7393 (m32r_finalize_pic): Remove.
7394 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7396 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7398 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7399 instead of $<. Don't remove ./as if it already exists.
7401 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7404 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7405 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7406 for complex modes when generating code for PA 1.0.
7407 (VALID_FP_MODE_P): New macro.
7408 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7409 sets for all general and floating point modes. Align wide floating
7410 point modes to even register boundaries to comply with architectural
7412 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7413 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7414 (VALID_FP_MODE_P): New macro.
7415 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7416 sets for all general and floating point modes. Align wide floating
7417 point modes to even register boundaries to comply with architectural
7420 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7422 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7425 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7427 * tree-ssa-structalias.c: Don't include expr.h.
7429 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7431 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7434 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7436 Fix PR tree-optimization/22279
7438 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7441 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7443 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7445 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7447 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7448 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7449 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7450 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7451 config/stormy16/stormy16.c, config/v850/v850.c,
7452 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7453 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7454 Avoid "." or "\n" at end of diagnostics and capital letters at
7455 start of diagnostics.
7456 * combine.c, cse.c: Don't translate dump file output.
7457 * toplev.c (print_version): Only translate output if going to
7460 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7462 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7463 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7466 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7468 * pa.c (fix_range): Fix typo in comment.
7470 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7472 * tree-vrp.c (extract_range_from_assert): Replace
7473 fold (build (...)) with fold_build2.
7475 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7477 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7478 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7479 (format_types_orig, handle_format_attribute): Add support for
7482 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7484 * varasm.c (assemble_variable): Fix format specifier thinko.
7486 2005-07-03 Ira Rosen <irar@il.ibm.com>
7488 PR tree-optimization/22029 (and 22135)
7489 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7490 a phi node before calling dump_vops.
7492 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7494 * tree-dump.h (dump_string_field): Declare.
7495 * tree-dump.c: Use it instead of dump_string.
7496 (dump_string_field): Make non-static.
7498 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7500 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7501 up the minimal CFG stuff always when optimize > 0. Call
7502 split_all_insns_noflow in PIC case if needed.
7504 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7505 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7508 * c-decl.c (c_write_global_declarations): Dump contents of
7510 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7511 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7512 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7513 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7516 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7518 * c-common.h (GCC_DIAG_STYLE): Define.
7519 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7520 version for format checking to 4.1.
7521 * c-format.c: Include toplev.h after c-common.h.
7522 (enum format_type): Add gcc_tdiag_format_type.
7523 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7524 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7525 (format_types_orig): Add gcc_tdiag.
7526 (init_dynamic_diag_info): Support gcc_tdiag formats.
7527 (handle_format_attribute): Likewise.
7528 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7529 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7530 version for format checking to 4.1.
7531 (warning0, warning, error, pedwarn, sorry): Use
7533 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7534 (finish_aliases_1): Do not use %qE.
7535 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7536 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7537 Correct format bugs.
7538 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7539 parameter to unsigned HOST_WIDE_INT.
7540 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7542 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7545 * expr.c (write_complex_part): Use adjust_address for MEM.
7546 (read_complex_part): Same.
7548 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7550 Fix PR tree-optimization/22280
7552 * tree-sra.c (generate_element_init): Remove useless loop.
7554 2005-07-02 Richard Henderson <rth@redhat.com>
7556 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7558 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7560 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7563 * fold-const.c (fold_binary): Handle the return value of
7564 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7565 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7567 2005-07-02 Jeff Law <law@redhat.com>
7569 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7570 a eliminate type conversion which feeds an equality comparison
7571 if the original type or either operand in the comparison is a
7574 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7576 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7577 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7579 * config/avr/avr.c: Do not use '`' as left quote.
7580 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7581 Remove "." from end of diagnostics. Make diagnostics start with
7584 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7585 Joseph S. Myers <joseph@codesourcery.com>
7587 * toplev.c (default_tree_printer): Handle setting location with
7589 * c-objc.common.c (c_tree_printer): Likewise.
7590 * c-format.c (gcc_diag_flag_specs): Add '+'.
7591 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7592 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7594 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7595 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7596 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7597 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7598 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7599 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7600 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7601 format arguments where %J is used without %D.
7603 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7605 * gcc.c (LINK_SSP_SPEC): Define.
7606 (link_ssp_spec): New variable.
7607 (LINK_COMMAND_SPEC): Add %(link_ssp).
7608 (static_specs): Add link_ssp_spec.
7609 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7610 * configure: Rebuilt.
7611 * config.in: Rebuilt.
7613 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7614 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7615 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7616 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7617 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7618 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7619 -0x7008(2) instead of reading __stack_chk_guard variable.
7620 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7622 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7623 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7624 if TARGET_THREAD_SSP_OFFSET is defined.
7625 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7626 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7629 2005-06-27 Richard Henderson <rth@redhat.com>
7630 * libgcc-std.ver (GCC_4.1.0): New.
7631 * libgcc.h (__stack_chk_guard): Declare.
7632 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7633 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7634 * mklibgcc.in (lib2funcs): Add them.
7636 2005-07-01 Richard Henderson <rth@redhat.com>
7638 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7639 void * before struct sigcontext *.
7640 (x86_fallback_frame_state): Likewise.
7642 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7644 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7646 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7649 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7650 we check for SSA_NAME for.
7652 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7654 Fix PR tree-optimization/22071
7656 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7658 (get_constraint_for_component_ref): Use it.
7660 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7663 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7664 print out the last new line.
7666 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7668 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7669 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7670 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7671 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7672 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7673 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7674 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7675 (enum reg_class): New member CC0_REGS.
7676 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7677 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7678 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7679 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7680 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7681 Adjust for register now described.
7683 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7686 * config/i386/i386.md (stack_protect_test_si,
7687 stack_protect_test_di): Add earlyclobber for scratch 3.
7688 * config/rs6000/rs6000.md (stack_protect_testsi,
7689 stack_protect_testdi): Add earlyclobber for scratch 3,
7690 remove earlyclobber from scratch 4.
7692 Older entries for 2005 can be found in ChangeLog-2005.