1 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
3 Fix PR tree-optimization/24231
5 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
6 (compute_avail): Ditto.
8 2006-10-18 Richard Henderson <rth@redhat.com>
11 * config/i386/i386.c (legitimate_constant_p): Check
12 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
14 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
15 (legitimate_pic_address_disp_p): Reorg CONST checking to make
16 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
18 (print_operand_address): Likewise.
19 * config/i386/predicates.md (x86_64_immediate_operand): Test
20 SYMBOL_REF_TLS_MODEL properly inside CONST.
21 (x86_64_zext_immediate_operand): Likewise.
22 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
23 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
24 * config/i386/i386-protos.h: Remove predicates.md entries.
26 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
28 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
29 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
31 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
32 Ian Lance Taylor <ian@airs.com>
35 * fold-const.c (fold_widened_comparison): Do not allow range based
36 constant folding when right operand cannot be unwidened.
38 2005-10-17 Richard Henderson <rth@redhat.com>
40 * builtins.c (expand_builtin_synchronize): Build a new-style asm
41 with a memory clobber.
43 2005-10-17 James E Wilson <wilson@specifix.com>
45 PR rtl-optimization/17356
46 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
49 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
51 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
52 the slot on an even boundary for any type with 16-byte alignment.
54 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
57 * md.texi (Modifiers) <%>: Clarify that % doesn't work
58 after register allocation.
60 2005-10-17 DJ Delorie <dj@redhat.com>
62 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
65 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
68 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
71 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
73 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
74 to 2 if it's already non-zero.
75 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
76 is set and warn about it if flag_schedule_insns is 1.
78 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
80 * config/crx/crx.md: Compare-and-branch instructions need to
83 2005-10-17 Uros Bizjak <uros@kss-loka.si>
86 * config/i386/i386.md (*pushdi2_rex64 splitter)
87 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
88 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
89 flow2 pass only when (optimize > 0 && flag_peephole2).
91 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
94 * gcc.c (have_c): New static variable.
96 (process_command): Remove declation of have_c.
97 Set have_o to 1 when handling -o.
98 (main): Add a fatel error if there are multiple
99 files specified and -o and -c/-S is passed witout
100 -combine or multiple languages.
102 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
104 Fix PR tree-optimization/22444
105 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
106 Assert that we don't hit something with subvars.
107 (setup_pointers_and_addressables): Don't add things with subvars,
108 because we'll already process the subvars for aliasing purposes.
110 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
113 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
114 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
115 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
116 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
117 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
118 swapped, alternatives for the R constraint.
121 * builtins.c (get_builtin_sync_mode): Make unlimited
122 mode_for_size request.
124 2005-10-15 Richard Henderson <rth@redhat.com>
126 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
127 (gimplify_expr): ... here.
128 (gimplify_compound_lval): Use it in initial scan loop. Allow
129 fb_lvalue in base expression.
131 2005-10-15 Richard Henderson <rth@redhat.com>
134 * builtins.c (expand_builtin_trap): Export.
135 * expr.h (expand_builtin_trap): Declare.
136 * expr.c (expand_assignment): Emit a trap for integral offsets
137 from registers that weren't reduced to bitpos.
139 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
140 (mark_array_ref_addressable): Remove.
141 * tree-flow.h (mark_array_ref_addressable): Remove.
142 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
144 2005-10-15 James E Wilson <wilson@specifix.com>
147 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
148 (add_dependence_list_and_free): Likewise.
149 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
152 2005-10-15 Diego Novillo <dnovillo@redhat.com>
156 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
157 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
159 (vrp_visit_phi_node): Only prevent infinite iterations when
160 the previous result and the new result are both VR_RANGEs.
162 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
164 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
167 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
170 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
173 2005-10-14 Per Bothner <per@bothner.com>
175 PR preprocessor/21250
176 * c-ppoutput.c (print_line): Print internal line 0 as 1.
178 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
181 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
182 overflow flags. Refactor some conditionals.
184 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
187 * tree-dfa.c (add_referenced_var): Only look at decls which
188 have TREE_CONSTANT or TREE_READONLY set instead of if
189 !TREE_PUBLIC or !TREE_CONSTANT.
191 2005-10-13 James E Wilson <wilson@specifix.com>
193 * doc/invoke.texi: For -x, add f95-cpp-input.
194 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
196 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
198 PR tree-optimization/24262
199 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
200 in loop all the time.
202 2005-10-12 Richard Henderson <rth@redhat.com>
205 * tree.h (DECL_TRANSPARENT_UNION): Remove.
206 * function.c (assign_parm_find_data_types): Don't support it.
207 * print-tree.c (print_node): Likewise.
208 * c-common.c (handle_transparent_union_attribute): Likewise.
209 Use build_duplicate_type.
210 * tree-inline.c (remap_type_1): Split out of remap_type;
211 properly remap aggregate fields.
212 (build_duplicate_type): New.
213 * doc/extend.texi (Variable Attributes): Remove documentation
214 for transparent_union.
216 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
219 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
220 (gen_stack_pointer_dec): Likewise.
222 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
226 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
228 (struct cxx): Add adjust_class_at_definition target hook.
229 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
230 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
231 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
232 hook_void_tree. Add to TARGET_CXX.
233 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
235 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
236 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
237 instead of attribute. Check for dllexport override. Warn if
238 inconsistent dll linkage. Don't lose old dllimport if decl has
239 had address referenced. Tweak lookup of dllimport atribute.
240 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
241 for target specific rules. Don't add dllimport attribute if
242 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
244 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
245 * varasm.c (initializer_constant_valid_p): Replace
246 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
250 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
251 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
252 (i[34567]86-*-mingw32*): Likewise.
254 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
255 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
257 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
258 C++-specific code. Change return value to bool.
259 (i386_pe_dllimport_p): Likewise.
260 (associated_type): Simplify and make language-independent
261 (i386_pe_encode_section_info): Replace override of ambiguous
262 dllimport symbol refs with a gcc_assert.
263 (i386_pe_valid_dllimport_attribute_p): Define.
264 * config/i386/winnt-cxx.c: New file. Define C++ versions of
265 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
266 i386_pe_adjust_class_at_definition.
267 * config/i386/winnt-stubs.c: New file. Define stub versions of
268 lang-specific functions.
269 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
270 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
271 i386_pe_adjust_class_at_definition.
272 (i386_pe_valid_dllimport_attribute_p): Declare.
273 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
274 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
275 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
278 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
279 dllimport attribute with test of DECL_DLLIMPORT_P.
281 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
283 * combine.c (make_extraction): Correct offset computation.
285 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
287 * config/cris/t-linux (LIMITS_H_TEST): Define.
289 2005-10-12 Richard Henderson <rth@redhat.com>
292 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
294 2005-10-12 Richard Guenther <rguenther@suse.de>
296 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
298 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
301 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
302 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
305 2005-10-12 Richard Guenther <rguenther@suse.de>
308 * varasm.c (output_constant): Correct typo from previous
311 2005-10-11 Ian Lance Taylor <ian@airs.com>
313 PR rtl-optimization/13931
314 * combine.c: Revert patch of 2003-05-14, and:
315 (try_combine): Only set elim_i1 and elim_i2 if the destination is
316 completely killed in the appropriate insn.
317 (distribute_notes): Don't skip multiple hard register test for
320 2005-10-11 Richard Henderson <rth@redhat.com>
323 * c-typeck.c (convert_for_assignment): Use build_constructor_single
324 to initialize a transparent union instead of a nop_expr.
326 2005-10-11 Richard Henderson <rth@redhat.com>
328 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
329 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
330 (tree_ssa_dce_loop): Call scev_reset.
333 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
334 * tree-ssa-dce.c: Include cfgloop.h.
335 (tree_ssa_dce_loop, pass_dce_loop): New.
336 * tree-pass.h (pass_dce_loop): Declare it.
337 * passes.c (init_optimization_passes): Use it.
339 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
342 * convert.c (convert_to_real): Revert 2005-10-05 patch.
343 Only apply the optimization for rounding builtins if the inner
344 cast is also an extension.
346 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
349 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
350 mark_new_vars_to_rename instead of update_stmt.
352 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
354 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
356 2005-10-11 Jakub Jelinek <jakub@redhat.com>
358 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
359 for setting MMX register to 0 rather than mmx.
361 2005-10-10 Steve Ellcey <sje@cup.hp.com>
364 * configure.ac: Move gas check from mips specific case to common case.
365 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
366 * configure: Regenerate
367 * doc/install.texi: Update.
369 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
372 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
374 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
376 * gcc.c (do_spec_1): Accept numeric characters in file name
379 2005-10-10 Nick Clifton <nickc@redhat.com>
381 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
382 describing the deleted arm_gen_rotated_half_load function.
384 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
386 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
389 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
391 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
393 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
394 (EXTRA_MULTILIB_PARTS): Define.
395 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
396 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
397 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
398 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
399 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
400 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
402 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
404 PR tree-optimization/24226
405 * tree-cfg.c (remove_bb): Clean up unreachable loops.
406 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
407 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
410 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
412 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
414 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
417 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
418 Rewrite for no need for the early clobber.
420 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
422 Merge from csl-arm-branch:
423 2005-09-07 Paul Brook <paul@codesourcery.com>
424 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
427 2005-04-30 Paul Brook <paul@codesourcery.com>
428 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
429 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
431 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
432 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
433 (arm_override_options): Use TARGET_AAPCS_BASED.
434 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
435 (PTRDIFF_TYPE): Use int for AAPCS.
436 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
437 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
438 (DEFAULT_SHORT_ENUMS): Delete.
439 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
441 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
442 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
443 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
444 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
446 2004-12-03 Mark Mitchell <mark@codesourcery.com>
447 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
449 2004-11-22 Mark Mitchell <mark@codesourcery.com>
450 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
452 2004-11-19 Mark Mitchell <mark@codesourcery.com>
453 * config.gcc (arm*-*-linux-gnueabi): Add it.
454 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
456 (TARGET_OS_CPP_BUILTINS): Likeiwse.
457 * config/arm/linux-eabi.h: New file.
458 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
459 (LINUX_TARET_LINK_SPEC): Likewise.
461 * config/arm/t-linux-eabi: New file.
463 2005-10-08 Steven Bosscher <stevenb@suse.de>
466 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
468 (PARAM_SMS_DFA_HISTORY): Likewise.
470 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
473 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
474 (load_register_parameters): Call it.
475 (check_sibcall_argument_overlap_1): Likewise.
476 (store_one_arg): Likewise.
478 2005-10-07 James E. Wilson <wilson@specifix.com>
480 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
481 DImode not VECINT24 for operand 2.
484 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
488 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
489 fr_spill): Use destination_operand for operand 0.
491 2005-10-07 DJ Delorie <dj@redhat.com>
493 * varasm.c (output_constant): Limit error to expanding
496 2005-10-07 Richard Guenther <rguenther@suse.de>
499 * fold-const.c (fold_binary): Fix operand types during folding
500 of X op (A, Y). Evaluation order of the side-effects of
501 X and A are frontend-defined, so ensure we honour that even for
502 tcc_comparison class operands; eased by removing duplicate code.
504 2005-10-07 Steve Ellcey <sje@cup.hp.com>
506 * stor-layout.c (layout_type): Do not allow alignment of array
507 elements to be greater than their size.
509 2005-10-07 Steve Ellcey <sje@cup.hp.com>
511 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
513 (hppa*-*-linux*): Ditto.
514 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
515 * config/host-hpux.c: New.
516 * config/x-hpux: New.
517 * config/pa/x-hpux: Remove.
518 * config/pa/x-linux: Remove.
519 * config/pa/pa-host.c: Remove.
521 2005-10-07 Jeff Law <law@redhat.com>
523 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
524 determine whether or not to try and thread outgoing edges.
526 2005-10-07 David Edelsohn <edelsohn@gnu.org>
528 * config/rs6000/rs6000.md (eqsi_power): New.
529 (neg_eq0si): Add TARGET_POWER to final condition.
532 2005-10-06 Richard Henderson <rth@redhat.com>
534 * config/rs6000/rs6000.c: Revert last change.
536 2005-10-06 Richard Henderson <rth@redhat.com>
538 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
539 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
541 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
545 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
546 out return_label and naked_return_label.
548 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
550 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
553 2005-10-06 Richard Henderson <rth@redhat.com>
556 * tree-inline.c (declare_return_variable): Handle modify_dest not
559 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
561 Fix PR tree-optimization/22488
562 * tree-ssa-structalias.c (check_for_overlaps): New function.
563 (create_variable_info_for): Use it.
565 2005-10-06 Richard Henderson <rth@redhat.com>
568 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
569 (dwarf2out_start_source_file): Print it.
571 2005-10-06 Geoffrey Keating <geoffk@apple.com>
573 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
575 2005-10-06 Richard Henderson <rth@redhat.com>
578 * mode-switching.c (optimize_mode_switching): Clear transp bit
579 for block with incomming abnormal edges.
581 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
582 (fpscr_set_from_mem): Use them.
583 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
584 (fpscr postinc splitters): Rewrite as peephole2+split.
586 2005-10-06 David Edelsohn <edelsohn@gnu.org>
588 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
589 (eq<mode>_compare): Same.
591 2005-10-06 Richard Guenther <rguenther@suse.de>
593 PR tree-optimization/24238
594 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
596 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
598 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
599 here. Use AC_PATH_PROG for environment variables instead of
601 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
603 * configure: Regenerated.
605 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
608 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
609 then force it into a register.
610 (call_value): Likewise.
612 2005-10-06 Richard Henderson <rth@redhat.com>
615 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
616 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
617 under pass_vectorize.
619 2005-10-05 Devang Patel <dpatel@apple.com>
622 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
623 handling constants. Check NAMESPACE_DECL context for constants.
625 2005-10-05 Eric Christopher <echristo@apple.com>
627 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
629 2005-10-05 Richard Henderson <rth@redhat.com>
632 * tree-cfg.c (mark_array_ref_addressable_1): New.
633 (mark_array_ref_addressable): New.
634 * tree-flow.h (mark_array_ref_addressable): Declare.
635 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
637 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
641 * reload.c (subst_reloads): When adding a REG_LABEL to a
642 jump instruction, also update JUMP_LABEL.
644 2005-10-05 David Edelsohn <edelsohn@gnu.org>
646 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
647 * bb-reorder.c (copy_bb_p): Use it.
648 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
650 2005-10-05 Richard Henderson <rth@redhat.com>
653 * toplev.c (process_options): Warn about unsupported combinations
654 of unwind tables and omit-frame-pointer.
655 * config/i386/i386.c (override_options): Similarly. Enable
656 accumulate-outgoing-args if not explicitly disabled.
658 2005-10-05 Steve Ellcey <sje@cup.hp.com>
660 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
661 Handle big endian vs. small endian.
662 (vec_initv2sf): Handle big endian vs. small endian.
663 (*vec_extractv2sf_1): Ditto.
665 2005-10-05 Dale Johannesen <dalej@apple.com>
667 * convert.c (convert_to_real): Don't convert
668 (float)floor(double d) to floorf((float)d).
670 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
672 * config/arm/arm.md (insv): Use gen_int_mode in more places.
674 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
676 PR tree-optimization/18587
677 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
678 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
679 build_vuses): Change to VEC type.
680 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
681 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
682 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
683 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
684 (get_name_decl): New. Return DECL_UID of base variable.
685 (operand_build_cmp): New. qsort comparison routine.
686 (operand_build_sort_virtual): New. Sort virtual build vector.
687 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
688 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
689 (FINALIZE_BASE): Use get_name_decl.
690 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
691 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
692 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
693 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
694 direct VEC_* manipulations.
695 (build_ssa_operands): Call operand_build_sort_virtual.
696 (copy_virtual_operand, create_ssa_artficial_load_stmt,
697 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
698 with direct VEC_* manipulations.
699 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
700 with direct VEC manipulations.
702 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
704 PR tree-optimization/21419
705 PR tree-optimization/24146
706 PR tree-optimization/24151
708 * c-typeck.c (readonly_error): Handle USE being lv_asm.
709 (build_asm_expr): Call it if outputs are read-only.
710 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
712 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
713 Paolo Bonzini <bonzini@gnu.org>
717 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
718 enable the instructions and not just the built-ins.
719 * doc/invoke.texi (x86 Options): Likewise.
721 2005-10-04 Geoffrey Keating <geoffk@apple.com>
723 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
725 * doc/invoke.texi (Option Summary): Correct spelling
726 of -mmacosx-version-min.
728 2005-10-04 Devang Patel <dpatel@apple.com>
730 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
733 2005-10-04 Steve Ellcey <sje@cup.hp.com>
735 * tree-vect-transform.c (vect_create_epilog_for_reduction):
736 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
738 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
740 * config/s390/s390.md ("TDSI","DP"): New mode macros.
741 ("TE","tg"): New mode attributes.
742 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
743 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
744 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
745 dword_mode and one for GPRmode.
747 2005-10-04 Ian Lance Taylor <ian@airs.com>
749 PR preprocessor/13726
750 * c-ppoutput.c (cb_include): Add comments parameter, and print out
751 any comments passed in.
753 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
755 * tree.c (annotate_with_file_line): Fix typo.
757 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
760 * builtins.c (fold_builtin_memcmp): When constructing the pointer
761 type used to access data in the inlined length == 1 case, use
762 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
763 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
765 2005-10-04 Uros Bizjak <uros@kss-loka.si>
767 * config/i386/i386.h (TARGET_FISTTP): Enable also for
768 TARGET_SSE3 and only for TARGET_80387.
769 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
770 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
771 Do not depend on TARGET_80387.
773 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
775 * tree.c (last_annotated_node): Change type to location_t*.
776 (annotate_with_file_line): Reflect the change of
777 last_annotated_node type.
779 2005-10-04 Richard Guenther <rguenther@suse.de>
782 * c-decl.c (grokdeclarator): Don't write to fields
785 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
788 * c-decl.c (finish_decl): Use set_user_assembler_name even for
790 * varasm.c (make_decl_rtl): If a register variable does not
791 have a set user assmbler name, error out.
792 Decode the asmspec is now name+1 bypassing '*'.
794 2005-10-04 Steven Bosscher <stevenb@suse.de>
796 PR tree-optimization/23049
797 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
798 of a COND_EXPR is folded before calling fold on the whole rhs of a
799 conditional assignment.
800 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
801 document that a COND_EXPR may appear there.
803 2005-10-03 Diego Novillo <dnovillo@redhat.com>
806 * tree-vrp.c (extract_range_from_assert): If the new numeric
807 range created out of the assertion contradicts the existing
808 numeric range of the ASSERT_EXPR variable, make the new range
811 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
813 * config/sh/sh.c (sh_register_move_cost): Add case for moving
814 from T_REGS to FP register class.
816 2005-10-03 Richard Henderson <rth@redhat.com>
819 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
820 before creating a new one.
822 2005-10-03 David Edelsohn <edelsohn@gnu.org>
824 * config/rs6000/t-aix43 (LDFLAGS): New.
825 * config/rs6000/t-aix52 (LDFLAGS): New.
827 2005-10-03 Ian Lance Taylor <ian@airs.com>
829 * gimplify.c (find_single_pointer_decl_1): New static function.
830 (find_single_pointer_decl): New static function.
831 (internal_get_tmp_var): For a formal variable, set restrict base
832 information if appropriate.
833 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
835 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
836 (DECL_GET_RESTRICT_BASE): Define.
837 (SET_DECL_RESTRICT_BASE): Define.
838 (decl_restrict_base_lookup): Declare.
839 (decl_restrict_base_insert): Declare.
840 (struct tree_decl_with_vis): Add based_on_restrict_p field.
841 * tree.c (restrict_base_for_decl): New static variable.
842 (init_ttree): Initialize restrict_base_for_decl.
843 (copy_node_stat): Copy restrict base information.
844 (decl_restrict_base_lookup): New function.
845 (decl_restrict_base_insert): New function.
846 (print_restrict_base_statistics): New static function.
847 (dump_tree_statistics): Call print_restrict_base_statistics.
849 2005-10-02 Diego Novillo <dnovillo@redhat.com>
852 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
855 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
858 * c-typeck.c (tagged_tu_seen): Rename to ...
859 (tagged_tu_seen_cache): this and add val field.
860 (comptypes): Move functional to comptypes_internal
861 and free tagged_tu_seen.
862 (comptypes_internal): New function and call comptypes_internal
863 instead of comptypes. Speed up by sibcalling
864 tagged_types_tu_compatible_p.
865 (alloc_tagged_tu_seen): New function
866 (free_all_tagged_tu_seen_up_to): New function.
867 (tagged_types_tu_compatible_p): Return the val of the seen two
869 Add that the two types are the same to tagged_tu_seen_base
870 if they are and call comptypes_internal instead of comptypes.
871 <case UNION_TYPE>: Speed up common type where the fields are
873 (function_types_compatible_p): Call comptypes_internal instead of
875 (type_lists_compatible_p): Likewise.
876 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
878 2005-10-02 Matthias Klose <doko@debian.org>
880 * doc/invoke.texi: Fix typo and speling error.
882 2005-10-01 Richard Henderson <rth@redhat.com>
884 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
886 2005-10-01 Mark Mitchell <mark@codesourcery.com>
888 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
889 using --start-group and --end-group.
891 2005-10-01 Diego Novillo <dnovillo@redhat.com>
893 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
894 FIXME note regarding quirky semantics.
896 2005-10-01 Diego Novillo <dnovillo@redhat.com>
899 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
900 non-null range as a last resort.
902 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
903 Diego Novillo <dnovillo@redhat.com>
906 * tree-vrp.c (extract_range_from_assert): For !=
907 assertions, only build an anti-range if LIMIT is a
910 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
912 * arm.md (movqi): On thumb when optimizing, handle loading from
913 memory by describing this as taking a subreg of a zero-extended load
914 into an SImode register.
917 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
919 * reload1.c (merge_assigned_reloads): Do not change any
920 RELOAD_FOR_OUTPUT_ADDRESS reloads.
922 2005-09-30 Geoffrey Keating <geoffk@apple.com>
924 * Makefile.in (LIPO_FOR_TARGET): Define.
925 (STRIP_FOR_TARGET): Define.
927 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
928 before creating new ones. Do symlinks before creating the actual
931 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
932 to work out which multilibs are actually being built.
934 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
936 * tree-vect-transform.c, config/ms1/ms1.md,
937 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
938 Follow spelling conventions.
939 * doc/invoke.texi, doc/md.texi: Fix typos.
941 2005-09-30 Andrew Macleod <amacleod@redat.com>
943 PR tree-optimization/21430
944 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
945 use operands, and set stmt pointer if need be.
946 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
947 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
950 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
953 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
955 2005-09-29 Mark Mitchell <mark@codesourcery.com>
957 * optabs.c (expand_binop): Initialize first_pass_p.
959 2005-09-29 Jakub Jelinek <jakub@redhat.com>
962 * c-decl.c (c_write_global_declarations_1): If any
963 wrapup_global_declaration_2 call returned true, restart the loop.
965 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
967 Fix PR tree-optimization/24117
968 * tree-ssa-structalias.c (find_func_aliases): Strip nops
969 before considering whether to use anyoffset.
971 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
975 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
977 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
979 (swap_commutative_operands_with_target): New.
981 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
984 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
987 2005-09-29 Steven Bosscher <stevenb@suse.de>
989 PR tree-optimization/23911
990 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
991 and IMAGPART_EXPR too.
993 2005-09-28 Mark Mitchell <mark@codesourcery.com>
996 * expmed.c (expand_shift): Move logic to reverse rotation
997 direction when rotating by constants ...
998 * optabs.c (expand_binop): ... here.
999 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1000 (ix86_rotrdi3): New pattern.
1001 (rotldi3): Handle 32-bit mode.
1002 (ix86_rotldi3): New pattern.
1004 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1007 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1008 check for numbers that need no bit twiddle.
1010 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1012 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1013 multilib to be built.
1015 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1016 (stage1-start): Delete old libgcc and libunwind before moving
1017 anything into the stage directory.
1018 (stage2-start): Likewise.
1019 (stage3-start): Likewise.
1020 (stage4-start): Likewise.
1021 (stageprofile-start): Likewise.
1022 (stagefeedback-start): Likewise.
1023 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1024 header in tm_file and CPU-specific t-darwin in tmake_file.
1025 (i[34567]86-*-darwin*): Don't change tm_file.
1026 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1027 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1028 shared library stub for target OS version.
1029 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1030 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1031 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1032 (libgcc_s.%.dylib): New.
1034 (install-darwin-libgcc-stubs): New.
1035 (INSTALL_LIBGCC): New append.
1036 * config/i386/darwin-libgcc.10.4.ver: New.
1037 * config/i386/darwin-libgcc.10.5.ver: New.
1038 * config/i386/t-darwin: New.
1039 * config/rs6000/darwin-libgcc.10.4.ver: New.
1040 * config/rs6000/darwin-libgcc.10.5.ver: New.
1041 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1042 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1044 2005-09-28 Paul Brook <paul@codesourcery.com>
1046 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1049 2005-09-28 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/23853
1052 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1053 host_integerp to verify misalignment value.
1055 2005-09-28 Richard Henderson <rth@redhat.com>
1057 * builtins.c (get_builtin_sync_mode): New.
1058 (expand_builtin_sync_operation): Pass in mode argument.
1059 (expand_builtin_compare_and_swap): Likewise.
1060 (expand_builtin_lock_test_and_set): Likewise.
1061 (expand_builtin_lock_release): Likewise.
1062 (expand_builtin): Update to match.
1064 2005-09-28 Nick Clifton <nickc@redhat.com>
1066 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1067 formatting. Add check to PLUS case to ensure that the offset is
1068 within an acceptable range.
1070 * config/v850/v850.md (casesi): Disable the generation of the
1071 switch pattern as it is not being handled properly at the moment.
1073 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1074 for when the high words are identical.
1076 2005-09-27 Richard Henderson <rth@redhat.com>
1078 * pretty-print.c (pp_base_format): Fix typo for %>.
1080 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1081 Devang Patel <dpatel@apple.com>
1083 PR tree-optimization/23625
1084 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1085 LABEL_EXPR, assertion check.
1087 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1089 * optabs.c (no_conflict_move_test): Check if a result of a
1090 to-be-moved insn would be clobbered by an originally
1093 2005-09-27 Jeff Law <law@redhat.com>
1095 * passes.c (init_optimization_passes): Replace copy propagation
1096 passes immediately after DOM with phi-only copy propagation
1097 pases. Add phi-only copy propagation pass after first DOM pass.
1098 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1099 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1100 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1101 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1102 to init_copy_prop. Callers updated.
1103 (do_phi_only_copy_prop): New function.
1104 (pass_phi_only_copy_prop): New pass descriptor.
1106 2005-09-27 Nick Clifton <nickc@redhat.com>
1108 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1110 2005-09-26 Jason Merrill <jason@redhat.com>
1113 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1115 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1117 2005-09-26 James E Wilson <wilson@specifix.com>
1119 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1120 copyright. Add gcc copyright plus libgcc exception.
1121 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1123 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1125 2005-09-26 Jeff Law <law@redhat.com>
1127 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1128 about when to iterate.
1130 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1133 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1134 for __complex__ double in -mcpu=G5 mode.
1136 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1138 PR tree-optimization/23942
1139 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1140 * tree-scalar-evolution.c: Include params.h.
1142 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1143 follow_ssa_edge_in_condition_phi_branch,
1144 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1145 Change return type to t_bool. Use a parameter to limit the size of
1146 trees that are walked before stopping
1147 (analyze_evolution_in_loop): Initialize the limit to 0.
1148 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1149 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1151 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1154 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1155 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1157 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1159 * combine.c (make_extraction): Check for valid use of subreg.
1161 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1164 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1165 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1166 ("fist<mode>2_with_temp"): Use only register operands.
1168 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1170 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1171 CALL_INSN_FUNCTION_USAGE.
1173 2005-09-26 Richard Guenther <rguenther@suse.de>
1176 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1177 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1178 (ldst_entry): Use the hashtable instead of list-walking.
1179 (find_rtx_in_ldst): Likewise.
1180 (free_ldst_entry): Free the hashtable.
1181 (compute_ld_motion_mems): Create the hashtable.
1182 (trim_ld_motion_mems): Remove entry from hashtable if
1183 removing it from list.
1184 (compute_store_table): Likewise^2.
1185 (store_motion): Free hashtable in case we did not see
1188 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1190 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1191 and arg1 if we are passing them to fold_build2.
1193 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1196 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1199 2005-09-25 Richard Henderson <rth@redhat.com>
1201 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1202 SYMBOL_REF_TLS_MODEL to be correct.
1204 2005-09-24 Richard Henderson <rth@redhat.com>
1206 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1207 end of function. Reindent.
1209 2005-09-24 Ian Lance Taylor <ian@airs.com>
1211 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1212 NEGATE_EXPR/BIT_NOT_EXPR case.
1214 2005-09-24 Richard Henderson <rth@redhat.com>
1216 * c-common.c (handle_mode_attribute): When not modifying in place,
1217 create subtypes for enumerations.
1218 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1219 * gimplify.c (create_tmp_from_val): Likewise.
1221 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1223 * config/i386/i386.md (*tls_global_dynamic_64,
1224 *tls_local_dynamic_base_64): Add missing mode to call.
1225 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1227 2005-09-24 Jan Hubicka <jh@suse.cz>
1229 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1230 (cgraph_clone_node): Likewise.
1231 * cgraph.h (cgraph_clone_edge): Update prototype.
1232 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1233 duplicated prototypes; add updating argument.
1234 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1235 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1237 (cgraph_mark_inline_edge): Likewise.
1238 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1239 (cgraph_flatten_node): Likewise.
1240 (cgraph_decide_recursive_inlining): Likewise.
1241 (cgraph_decide_inlining_of_small_function): Likewise.
1242 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1244 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1245 Pete Steinmetz <steinmtz@us.ibm.com>
1247 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1248 (rldic.): Set type to "compare".
1250 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1251 mfjmpr for MFCTR/MFLR.
1252 (movdf_hardfloat64): Same.
1253 (movdf_softfloat64): Same. Correct order of store and move types.
1254 (movti_string): Set type to store_ux/load_ux.
1255 (load_multiple): Set type to load_ux.
1256 (store_multiple): Set type to store_ux.
1257 (movmemsi): Set type to store_ux.
1258 (output_cbranch direct_return): Set type to jmpreg.
1259 (stmw): Set type to store_ux.
1260 (lmw): Set type to load_ux.
1261 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1262 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1263 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1264 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1265 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1266 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1267 (rios1-fpstore): Increase latency to 3.
1268 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1269 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1271 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1272 Andrew Pinski <pinskia@physics.uc.edu>
1274 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1275 operand2 constraint to "b".
1276 (sync_<fetchop_name>di_internal): Same.
1277 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1279 (sync_old_<fetchop_name>di_internal): Same.
1280 (sync_new_<fetchop_name>si_internal): Same.
1281 (sync_new_<fetchop_name>di_internal): Same.
1283 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1286 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1287 case, define as macros.
1289 PR rtl-optimization/23837
1290 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1291 clobber / clobber match between dest and p->first.
1293 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1294 (no_conflict_move_test): Update comments.
1296 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1298 * doc/install.texi: Update URL for Jacks.
1299 * doc/sourcebuild.texi: Likewise.
1301 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1304 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1305 registers when choosing register preferences.
1306 (movdf_hardfloat64): Same.
1308 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1310 * expmed.c (expand_shift): Don't use the target of the rotate as
1311 target for the first expanded shift insn.
1312 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1314 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1316 PR tree-optimization/22438
1317 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1318 preserved iv rhs rewriting specially.
1320 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1322 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1323 estimate_only is true.
1324 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1325 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1326 tree-ssa-structalias.c
1327 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1328 ref_contains_indirect_ref.
1329 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1331 2005-09-21 DJ Delorie <dj@redhat.com>
1333 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1335 (mn10300_return_in_memory): Support variable size types also.
1336 (mn10300_pass_by_reference): Likewise.
1337 (mn10300_function_value): New.
1338 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1339 (FUNCTION_OUTGOING_VALUE): Likewise.
1340 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1341 * doc/invoke.texi: Document it.
1343 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1346 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1347 force integer op1 into register for XFmode compares.
1349 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1352 * expmed.c (alg_code): Add alg_impossible.
1353 (alg_hash_entry): Add cost.
1354 (synth_mult): Record alg_impossible in the hash table if
1355 multiplication by a given integer is impossble within the
1356 limit. Speed up using alg_impossible.
1358 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1360 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1361 argument. Allow and set any offset if needs_anyoffset is passed
1363 (get_constraint_for): Add argument here too.
1365 (do_structure_copy): Pass NULL to get_constraint_for.
1366 (handle_ptr_arith): Ditto.
1367 (find_func_aliases): Ditto.
1369 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1371 PR rtl-optimization/23898
1372 * output.h (get_attr_min_length): Declare.
1373 * final.c (get_attr_length_1): New function, broken out of:
1375 (get_attr_min_length): New function.
1376 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1377 (duplicate_computed_gotos): Likewise.
1378 * genattr.c (insn_min_length): Generate declaration.
1379 * genattrtab.c (min_fn, min_attr_value): New functions.
1380 (make_length_attrs): Generate insn_min_length.
1382 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1384 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1386 2005-09-20 Richard Henderson <rth@redhat.com>
1388 PR tree-optimization/24059
1389 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1392 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1394 * c.opt (fextended-identifiers): New.
1395 * c-opts.c (c_common_handle_option): Handle
1396 -fextended-identifiers.
1397 * doc/cpp.texi: Update documentation of extended identifiers.
1398 * doc/cppopts.texi (-fextended-identifiers): Document.
1400 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1402 PR tree-optimization/23929
1403 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1406 PR tree-optimization/23818
1407 * tree-stdarg.c (execute_optimize_stdarg): Call
1408 calculate_dominance_info.
1410 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1412 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1413 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1414 (compute_overlap_steps_for_affine_1_2): Use
1415 get_number_of_iters_for_loop.
1416 (analyze_subscript_affine_affine): Check whether difference is
1418 Use get_number_of_iters_for_loop.
1419 Check whether overlap occurs outside of bounds.
1420 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1422 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1424 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1425 base register if possible.
1427 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1429 PR tree-optimization/18463
1430 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1431 converting it directly is not possible.
1432 (chrec_convert_aggressive): New function.
1433 * tree-chrec.h (chrec_convert_aggressive): Declare.
1434 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1435 Fold chrec conversions aggressively if asked to.
1436 (instantiate_parameters): Modified because of changes in
1437 instantiate_parameters_1.
1439 2005-09-19 Richard Henderson <rth@redhat.com>
1441 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1442 (reduc_splus_v2df): New.
1444 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1446 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1447 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1449 2005-09-19 Richard Henderson <rth@redhat.com>
1451 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1454 2005-09-19 Richard Henderson <rth@redhat.com>
1456 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1457 (ia64_expand_dot_prod_v8qi): New.
1458 * config/ia64/ia64-protos.h: Update.
1459 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1460 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1461 sdot_prodv8qi, sdot_prodv4hi): New.
1462 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1464 2005-09-19 Richard Henderson <rth@redhat.com>
1467 * real.c (exact_real_truncate): Return false if the format cannot
1468 represent the number as a normal.
1470 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1471 for a memory source.
1473 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1475 * tree-ssa-operands.c (swap_tree_operands): Export.
1476 * tree.h (swap_tree_operands): Declare.
1477 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1478 Call swap_tree_operands.
1480 2005-09-19 Richard Henderson <rth@redhat.com>
1482 * tree-flow.h (merge_alias_info): Declare.
1483 * tree-ssa-copy.c (merge_alias_info): Export.
1484 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1485 (vect_create_data_ref_ptr): Use create_iv directly.
1486 (vectorizable_load): Use correct types for integer constants.
1487 (vect_generate_tmps_on_preheader): Likewise.
1488 (vect_gen_niters_for_prolog_loop): Likewise.
1490 2005-09-19 Steven Bosscher <stevenb@suse.de>
1492 PR rtl-optimization/23943
1493 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1495 2005-09-18 Jan Hubicka <jh@suse.cz>
1497 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1499 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1501 * varasm.c (output_constant): Do not abort on conversions to union
1502 types between different sizes.
1504 2005-09-18 Richard Guenther <rguenther@suse.de>
1507 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1510 2005-09-18 Paul Brook <paul@codesourcery.com>
1512 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1514 2005-09-17 Richard Henderson <rth@redhat.com>
1516 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1517 * tree-ssa-loop.c (pass_vect_dce): Remove.
1518 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1521 2005-09-17 Richard Henderson <rth@redhat.com>
1523 * tree-pass.h (pass_vect_dce): Declare.
1524 * passes.c (init_optimization_passes): Add it.
1525 * tree-flow.h (tree_ssa_dce): Declare.
1526 * tree-ssa-dce.c (tree_ssa_dce): Export.
1527 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1528 (gate_tree_vectorize): ... here.
1529 (pass_vect_dce): New.
1531 2005-09-17 Jan Hubicka <jh@suse.cz>
1533 * except.c (struct eh_status): Turn region_array into vec.
1534 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1535 convert_from_eh_region_ranges, find_exception_handler_labels,
1536 current_function_has_exception_handlers, assign_filter_values,
1537 build_post_landing_pads, dw2_build_landing_pads,
1538 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1539 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1540 foreach_reachable_handler, can_throw_internal_1,
1541 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1543 (duplicate_eh_region_1): Update region_array.
1544 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1546 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1549 * expmed.c (expand_mult): Substitute simple register for op0 when
1552 2005-09-17 Richard Henderson <rth@redhat.com>
1554 * expr.c (emit_move_via_integer): Add force argument, pass it on
1555 to emit_move_change_mode. Update callers.
1556 (emit_move_complex): Pass true to new force argument.
1557 * function.c (expand_function_end): Move expand_eh_return call
1558 earlier. Merge sub-word complex values into a pseudo before
1559 copying to the return hard register.
1561 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1563 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1564 between different sizes.
1566 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1570 * passes.c (init_optimization_passes): Register dump files for
1573 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1575 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1576 * config/s390/s390.c (s390_overlap_p): New function.
1577 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1578 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1581 2005-09-16 Richard Guenther <rguenther@suse.de>
1583 * ipa-pure-const.c (static_execute): Free auxiliar information.
1584 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1585 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1587 2005-09-15 DJ Delorie <dj@redhat.com>
1589 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1591 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1593 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1595 (swap_commutative_operands_with_target): New.
1597 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1599 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1602 (estimate_iters_using_array): New function.
1603 * tree-data-ref.h (estimate_iters_using_array): Prototype
1604 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1605 Use estimate_iters_using_array instead of analyze_array.
1607 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1609 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1612 2005-09-15 Michael Matz <matz@suse.de>
1614 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1616 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1618 PR tree-optimization/23835
1619 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1620 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1622 2005-09-14 Richard Henderson <rth@redhat.com>
1624 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1625 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1627 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1629 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1630 in the ARRAY_TYPE case.
1632 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1634 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1636 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1639 * tree-vect-transform.c (vectorizable_operation): Return false for
1640 scalar shift operations and for vector shift operations with
1641 non-invariant shift arguments. Use scalar tree operand op1 as
1642 a shift operand when vector shift insn pattern uses scalar shift
1644 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1646 2005-09-14 Olivier Hainque <hainque@adacore.com>
1648 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1649 value if it has side-effects.
1651 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1654 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1656 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1658 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1659 passed as NAME as if it were label at start of function code.
1661 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1663 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1666 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1668 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1669 as early clobber. Rewrite so the PIC register is not implicitly used.
1671 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1673 * tree.c (annotate_with_file_line): Compare line numbers before
1676 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1679 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1680 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1682 2005-09-13 Ian Lance Taylor <ian@airs.com>
1684 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1685 than a HOST_WIDEST_INT to gen_doloop_begin.
1687 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1689 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1691 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1693 PR tree-optimize/23817
1694 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1696 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1699 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1700 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1701 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1702 (restore_stack_nonlocal): Likewise.
1703 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1705 2005-09-12 Ian Lance Taylor <ian@airs.com>
1708 * c.opt (ffriend-injection): New C++ option.
1709 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1710 (C++ Dialect Options): Document -ffriend-injection.
1712 2005-09-12 Josh Conner <jconner@apple.com>
1715 * ipa-reference.c (static_execute): Don't mark variables in
1716 named sections TREE_READONLY.
1718 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1720 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1723 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1725 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1726 V_MUST_DEF instead of just the first_use_p.
1727 Don't mark the virtual variables for renaming on the statement which
1729 (pass_dse): Remove TODO_update_ssa.
1731 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1734 * stor-layout.c (compute_record_mode): For records with a single
1735 field, actually check the field's mode size against the type size.
1737 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1738 registers for TARGET_SHMEDIA.
1739 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1740 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1741 of GENERAL_REGS and FP_REGS.
1743 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1745 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1747 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1749 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1750 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1751 are omitted. Exclude stack_tie insn too.
1753 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1755 PR rtl-optimization/23098
1756 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1758 * config/rs6000/rs6000.md (movdf splitter): Use
1759 const_double_operand predicate for TARGET_POWERPC64.
1760 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1761 SYMBOL_REF method to ABI_V4.
1763 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1764 replace_equiv_address.
1765 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1766 rs6000_sr_alias_set and MEM_NOTRAP.
1767 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1769 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1771 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1772 handle CALL_EXPR again.
1774 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1776 * arm/predicates.md (alignable_memory_operand): Delete.
1778 2005-09-10 Richard Henderson <rth@redhat.com>
1781 * dbxout.c (dbxout_expand_expr): New.
1782 (dbxout_symbol): Use it.
1784 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1786 * arm.c (arm_gen_rotated_half_load): Delete.
1787 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1788 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1789 (thumb_set_return_address): Likewise.
1790 (thumb_load_double_from_address): Use adjust_address.
1791 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1792 (extendhsisi2_mem, movhi_bytes): Use change_address.
1793 (movhi): Use widen_memory_access.
1794 (reload_out_df): Use replace_equiv_address.
1795 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1797 2005-09-09 Richard Henderson <rth@redhat.com>
1800 * dbxout.c: Include expr.h.
1801 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1802 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1803 * Makefile.in (dbxout.o): Add EXPR_H.
1805 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1807 PR tree-optimization/23509
1808 * tree-cfg.c (replace_uses_by): Use replace_exp.
1809 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1810 pointers have name_mem_tag or type_mem_tag set.
1812 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1814 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1815 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1816 of wrongly accessing operands.
1818 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1820 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1821 * tree-chrec.c: Include tree-scalar-evolution.h.
1822 (chrec_convert): Instantiate the base and step before calling
1823 scev_probably_wraps_p that would fail on parametric evolutions.
1824 Collect all the fails into a single section failed_to_convert,
1825 print a diagnostic, and return chrec_dont_know instead of calling
1827 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1828 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1830 (scev_const_prop): Don't replace the definition of a loop closed ssa
1831 phi node by itself, or by another loop closed ssa phi node.
1832 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1833 that base and step are defined.
1835 2005-09-09 Richard Guenther <rguenther@suse.de>
1838 * fold-const.c (fold_ternary): Check truth_value_p before
1839 calling invert_truthvalue.
1841 2005-09-09 Nick Clifton <nickc@redhat.com>
1843 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1844 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1845 dimension of these arrays.
1846 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1848 * longlong.h: Only provide a prototype for the __clz_tab[] array
1849 if this header has not been included from libgcc2.h.
1850 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1852 Provide prototypes for exported functions.
1853 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1856 2005-09-08 Josh Conner <jconner@apple.com>
1860 * expr.c (expand_expr_addr_expr_1): Don't invoke
1861 expand_simple_binop for EXPAND_INITIALIZER.
1863 2005-09-08 Richard Henderson <rth@redhat.com>
1866 * toplev.c (wrapup_global_declaration_1): Split out ...
1867 (wrapup_global_declaration_2): ... from ...
1868 (wrapup_global_declarations): ... here. Return bool.
1869 (check_global_declaration_1): Split out ...
1870 (check_global_declarations): from here.
1871 (emit_debug_global_declarations): New.
1872 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1873 check_global_declaration_1, emit_debug_global_declarations): Declare.
1874 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1875 of decls. Call wrapup_global_declaration_1,
1876 wrapup_global_declaration_2, check_global_declaration_1 directly.
1877 (c_write_global_declarations_2): New.
1879 (c_write_global_declarations): Call c_write_global_declarations_2.
1880 * langhooks.c (write_global_declarations): Call
1881 emit_debug_global_declarations.
1883 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1884 remove decls that have DECL_RTL_SET_P.
1885 * passes.c (rest_of_decl_compilation): Invoke
1886 cgraph_varpool_finalize_decl for all but functions.
1888 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1890 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1891 the result of a conversion if the new min and max cannot be compared.
1893 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1895 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1896 (override_options): Setting s390_sr_alias_set removed.
1897 (save_fpr, save_gprs): Set alias set to vararg or frame.
1898 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1899 s390_sr_alias_set with get_frame_alias_set ().
1900 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1901 get_varargs_alias_set ().
1903 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1907 * c-parser.c (c_parser_objc_method_definition): If the next
1908 token is not "{", error out and don't start the function.
1910 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1912 * tree-vrp.c (extract_range_from_expr): Move the check for non
1913 nullness after the check for gimple invariant.
1915 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1917 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1919 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1922 * config/m32r.md (movmemsi_internal): Canonicalize order of
1923 operands in PLUS component of template.
1925 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1927 * reload1.c (fixup_eh_region_note): Remove assertion.
1928 (fixup_abnormal_edges): Reverted removal of call to
1929 find_many_sub_basic_blocks made on 2005-08-31.
1931 2005-09-07 Richard Henderson <rth@redhat.com>
1933 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1934 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1935 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1936 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1937 rearrange for better packing.
1938 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1939 (lookup_cfa_1): Remove inline marker.
1940 (cfa_equal_p): Split out of ...
1941 (def_cfa_1): ... here. Use INVALID_REGNUM.
1942 (build_cfa_loc): Handle !cfa->indirect.
1943 (frame_pointer_cfa_offset): New.
1944 (dbx_reg_number): Assert register elimination performed; do
1945 leaf register remapping.
1946 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1947 (eliminate_reg_to_offset): New.
1948 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1949 for verifiably local stack frame addresses; re-base to CFA.
1950 (mem_loc_descriptor): Remove can_use_fbreg argument.
1951 (concat_loc_descriptor, loc_descriptor): Likewise.
1952 (containing_function_has_frame_base): Remove.
1953 (rtl_for_decl_location): Don't do register elimination or
1954 leaf register remapping here.
1955 (secname_for_decl): Split out from ..
1956 (add_location_or_const_value_attribute): ... here.
1957 (convert_cfa_to_loc_list): New.
1958 (compute_frame_pointer_to_cfa_displacement): New.
1959 (gen_subprogram_die): Use them.
1960 * tree.h (frame_base_decl): Remove.
1961 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1962 (prologue_stack_adjust): Remove.
1963 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1964 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1965 (set_frame_base_location): Remove.
1966 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1967 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1968 (vt_add_function_parameters): Don't eliminate_regs.
1969 (vt_initialize): Don't create frame_base_decl.
1971 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1973 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1974 version of GNU binutils for 4.x and later.
1976 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1978 * ggc-page.c (ggc_push_context): Remove.
1979 (ggc_pop_context): Likewise.
1980 * ggc.h (ggc_push_context): Remove.
1981 (ggc_pop_context): Likewise.
1983 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1986 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1987 returning from an interrupt handler.
1989 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1992 * config/arc/arc.c (output_shift): Add check for loop count when
1995 2005-09-06 Steven Bosscher <stevenb@suse.de>
1997 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1999 (abs_replacement): Likewise.
2000 (pass_phiopt): Remove TODO_update_ssa.
2002 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2005 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2006 if "return with no value, in function returning non-void" warning
2008 * tree-cfg.c (execute_warn_function_return): Don't look at
2009 RETURN_EXPRs with TREE_NO_WARNING set.
2012 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2013 for internal functions doesn't use registers used by global registers
2014 variables. Use fewer register parameters if there are global register
2017 2005-09-06 Olivier Hainque <hainque@adacore.com>
2018 Eric Botcazou <ebotcazou@adacore.com>
2021 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2022 when we would be extracting outside its bit span (bitpos+bitsize
2023 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2024 Ada unchecked conversions.
2026 2005-09-06 Steven Bosscher <stevenb@suse.de>
2028 * tree-ssa-pre.c (try_look_through_load): New function.
2029 (compute_avail): Use it to try to look through loads for some
2030 more useful expressions.
2032 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2034 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2035 condition for detecting cases like (a&a) and (a^a).
2037 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2039 * common.opt: Add option ftree-vect-loop-version.
2040 * params.def: Add --param vect-max-version-checks.
2041 * doc/invoke.texi: Document ftree-vect-loop-version and
2042 --param vect-max-version-checks.
2043 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2044 may_misalign_stmts and defines for accessors.
2045 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2046 LOOP_VINFO_MAY_MISALIGN_STMTS.
2047 (destroy_loop_vec_info): VEC_free for
2048 LOOP_VINFO_MAY_MISALIGN_STMTS.
2049 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2050 Update documentation.
2051 (vect_update_misalignment_for_peel): New.
2052 (vect_enhance_data_refs_alignment): Update to choose loop
2053 peeling or loop versioning if appropriate for the (potentially)
2054 unaligned data references in the loop.
2055 (vect_analyze_data_refs_alignment): Remove call to
2056 vect_enhance_data_refs_alignment so the checks can be done
2058 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2059 and move up call to vect_analyze_data_refs_alignment.
2060 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2061 (vect_transform_loop): Add call to loop_version.
2063 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2065 PR rtl-optimization/23098
2066 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2067 * simplify-rtx.c (constant_pool_reference_p): New function.
2068 * rtl.h (constant_pool_reference_p): New prototype.
2069 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2070 constant_pool_reference_p in condition and
2071 avoid_constant_pool_reference in preparation statements.
2073 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2075 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2076 STRICT_LOW_PART SETs.
2078 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2081 * except.c (sjlj_emit_function_enter): Find the function begin
2082 note even when it's not in first basic block.
2084 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2086 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2087 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2088 * aclocal.m4: Regenerate.
2090 2005-09-05 DJ Delorie <dj@redhat.com>
2092 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2095 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2097 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2098 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2099 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2100 Follow spelling conventions.
2101 * doc/invoke.texi: Follow spelling conventions.
2103 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2105 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2106 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2107 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2109 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2112 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2113 (output_stack_adjust): Use gen_tmp_stack_mem.
2114 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2115 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2116 (sh_get_pr_initial_val): Likewise.
2117 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2118 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2119 * sh.md (divsi_inv_m0): Use gen_const_mem.
2120 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2121 (movdf_i4+1): Use gen_tmp_stack_mem.
2122 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2123 (fpu_switch+2): Likewise.
2124 (movv4sf_i, movv16sf_i): Use adjust_address.
2125 (symGOT_load): Set MEM_NOTRAP_P bit.
2127 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2130 * pa.c (emit_move_sequence): Fix typo in last change.
2132 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2134 PR rtl-optimization/23454
2135 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2138 2005-09-03 Richard Henderson <rth@redhat.com>
2139 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2142 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2145 2005-09-02 Nicolas Pitre <nico@cam.org>
2147 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2148 to bit_count to 32 bits.
2150 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2153 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2154 generating synthetic loads from volatile lvalues.
2156 005-09-02 Nick Clifton <nickc@redhat.com>
2158 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2159 __ctzhi2, __clzhi2): New functions.
2161 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2164 * tree-nested.c (struct var_map_elt): Mark with GTY.
2165 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2167 (lookup_field_for_decl): Allocate new element in GC memory.
2168 (lookup_tramp_for_decl): Likewise.
2169 (convert_nl_goto_reference): Likewise
2170 (create_nesting_tree): Allocate info in GC memory. Likewise for
2172 (free_nesting_tree): Free with ggc_free instead of free.
2173 (root): New static variable.
2174 (lower_nested_functions): Remove root as local variable. And zero out
2175 root at the end of the function.
2177 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2179 PR rtl-optimization/20365
2180 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2181 to short. New member ix.
2182 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2183 (simplify_plus_minus): Initialize ix members before calling qsort.
2185 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2187 PR tree-optimization/23626
2188 * tree-cfg.c (replace_uses_by): Clean up eh info.
2190 2005-09-01 DJ Delorie <dj@redhat.com>
2192 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2195 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2197 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2198 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2201 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2203 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2204 do not issue warning for a variable definition following
2207 2005-09-01 Richard Henderson <rth@redhat.com>
2210 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2211 conversion to CONST_VECTOR.
2213 2005-09-01 Richard Henderson <rth@redhat.com>
2216 * reload1.c (reload_as_needed): Check !CALL_P before calling
2217 fixup_eh_region_note.
2218 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2220 2005-09-01 DJ Delorie <dj@redhat.com>
2222 * varasm.c (output_constant): Let the target resolve
2223 conversions of addresses to non-default pointer sizes.
2225 2005-09-01 Nicolas Pitre <nico@cam.org>
2227 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2228 to alow matching ARM pre-indexed addressing mode.
2229 (arm_override_options): Remove now irrelevant comment.
2231 2005-09-01 Phil Edwards <phil@codesourcery.com>
2233 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2234 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2235 * config/i386/vxworks.h: Likewise.
2236 * config/i386/t-vxworksae: New file, for VxWorks AE.
2237 * config/i386/vxworksae.h: Likewise.
2239 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2241 PR tree-optimization/23410
2242 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2243 sequence is not wrapping during the first step.
2245 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2248 * dwarf2out.c (base_type_die): Compare char_type_node with
2249 TYPE_MAIN_VARIANT (type), not type.
2251 2005-09-01 Richard Guenther <rguenther@suse.de>
2253 PR tree-optimization/15366
2254 * common.opt: Add -finline-functions-called-once.
2255 Put -fearly-inlining in alphabetically ordered place.
2256 * doc/invoke.texi: Document new option.
2257 * ipa-inline.c (cgraph_decide_inlining): Honour
2258 flag_inline_functions_called_once.
2260 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2262 PR rtl-optimization/23478
2263 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2264 (alloc_qty): Initialize it.
2265 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2266 (combine_regs): Combine also n_throwing_calls_crossed fields.
2267 (find_free_reg): Don't attempt to caller-save pseudos crossing
2268 calls that might throw.
2269 * global.c (struct allocno): Add throwing_calls_crossed field.
2270 (global_alloc): Revert 2005-08-22 change. Initialize
2271 throwing_calls_crossed.
2272 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2275 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2278 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2279 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2280 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2281 (and64_2_operand): Tweak to use predicate.
2282 (and_operand): Adjust for mask_operand changes.
2283 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2284 (print_operand): Likewise.
2285 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2286 (mask64_1or2_operand): Delete.
2287 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2288 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2289 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2290 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2291 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2292 (rotldi3_internal4): Likewise.
2293 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2294 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2295 (ashldi3_internal7): Likewise.
2296 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2297 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2298 (anddi3 split): Don't match mask64_operand.
2299 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2300 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2301 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2302 't' splitter predicate.
2303 (movdi_internal64 + 2): Revert 2005-06-11 change.
2305 2005-08-31 DJ Delorie <dj@redhat.com>
2307 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2308 (m32c_asm_integer): Add support for 32 bit pointers.
2310 2005-08-31 Richard Henderson <rth@redhat.com>
2312 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2313 component-like references for setting MEM_NOTRAP_P.
2315 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2316 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2318 2005-08-31 Richard Henderson <rth@redhat.com>
2320 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2321 into a pseudo before applying gen_lowpart.
2323 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2325 * doc/install.texi (Specific): Update cctools version required
2326 for full functionality.
2327 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2328 linkers as -macosx_version_min.
2330 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2333 * sh.c (print_operand, %R and %S): Add handling of floating point
2334 registers, memory, constants and invalid operands.
2336 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2338 * ipa-pure-const.c: Change dump name.
2340 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2343 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2344 to "reg_or_0_operand".
2345 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2347 2005-08-31 Dale Johannesen <dalej@apple.com>
2349 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2350 loops that count down.
2352 2005-08-31 Richard Henderson <rth@redhat.com>
2355 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2356 (fixup_eh_region_note): New.
2357 (reload_as_needed): Call it.
2358 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2359 don't call find_many_sub_basic_blocks; call verify_flow_info.
2360 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2361 (keep_stack_depressed): Likewise.
2362 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2364 2005-08-31 Richard Henderson <rth@redhat.com>
2366 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2369 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2371 * expr.c (expand_expr_real_1): Compare size of address
2372 mode to target's address mode size in deciding expansion of
2373 the constant address.
2375 2005-08-31 Richard Guenther <rguenther@suse.de>
2378 * expr.c (all_zeros_p): New function.
2379 (expand_expr_real_1): Handle the case of an all-zero
2380 non-addressable constructor separately.
2382 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2384 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2385 arguments, adjust all callers.
2386 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2388 2005-08-30 Richard Henderson <rth@redhat.com>
2391 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2392 whenever the mode sizes match.
2394 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2396 * calls.c (load_register_parameters): Fix comment typo.
2397 * expr.c (emit_push_insn): Comment formatting.
2399 2005-08-30 Ian Lance Taylor <ian@airs.com>
2401 * config/i386/x-cygwin (host-cygwin): Change dependency from
2402 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2404 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2406 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2409 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2412 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2413 call to ggc_collect.
2415 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2418 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2419 beginning. Remove $(INCLUDES) from all the rules, if following
2420 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2422 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2425 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2426 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2427 not constant, but maxlen is, don't set len to maxlen, rather
2428 set maxlen to len if len is a constant.
2430 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2432 PR tree-optimization/23475
2433 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2436 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2438 Fix PR middle-end/22455
2440 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2441 Checksum only the parts of the tree that exist for the tree code.
2443 2005-08-28 Dale Johannesen <dalej@apple.com>
2445 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2447 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2449 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2451 2005-08-28 Richard Henderson <rth@redhat.com>
2453 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2454 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2457 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2460 * builtins.c (get_memory_rtx): Don't strip nops
2461 in between COMPONENT_REFs.
2463 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2466 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2468 (gimplify_modify_expr): Check for zero sized types and gimplify the
2469 rhs and lhs as statements.
2471 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2474 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2475 state for return address column of signal frames.
2477 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2480 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2481 bytes >= 2 not bytes == 2.
2482 (expand_block_move): Same.
2484 2005-08-27 Richard Guenther <rguenther@suse.de>
2487 * config/i386/sse.md (sse2_movsd): Add missing closing
2490 2005-08-27 Paul Brook <paul@codesourcery.com>
2492 * genrecog.c (enum decision_type): Add DT_num_insns.
2493 (struct decision_test): Add u.num_insns.
2494 (add_to_sequence): Add DT_num_insns test.
2495 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2496 (write_cond, debug_decision_2): Ditto.
2497 (change_state): Assume peep2_next_insn never fails.
2498 Remove "afterward" argument.
2499 (write afterward, write_tree): Update to match.
2500 * recog.c (peep2_current_count): New variable.
2501 (peep2_next_insn): Check it.
2502 (peephole2_optimize): Set peep2_current_count.
2503 * recog.h (peep2_current_count): Declare.
2505 2005-08-26 Josh Conner <jconner@apple.com>
2508 * ipa-pure-const.c (check_tree): Check for volatile-ness
2509 when considering a dereference.
2511 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2513 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2515 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2517 PR rtl-optimization/23561
2518 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2519 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2520 at most LEN bytes long memory fits into the field.
2521 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2522 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2523 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2525 2005-08-26 Richard Henderson <rth@redhat.com>
2528 * loop.c (biased_biv_may_wrap_p): New.
2529 (maybe_eliminate_biv_1): Use it to suppress non-equality
2530 comparison transformations. Delete disabled code.
2532 2005-08-26 Ian Lance Taylor <ian@airs.com>
2534 * combine.c (make_extraction): Avoid reference outside object.
2536 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2538 * stor-layout.c (finalize_type_size): Restore behaviour for
2539 non-aggregate types to the status quo ante of the patch for
2540 pr 23467. Document why it matters.
2542 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2545 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2546 array by one element, initialize the BT_LAST element with NULL.
2548 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2550 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2551 optimizing for size.
2553 (compare_plus_eqsi): Same.
2554 (plus_eqsi_compare): Same.
2555 (neg_eq0<mode>): Same.
2556 (neg_eq<mode>): Same.
2558 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2561 2005-08-26 Nick Clifton <nickc@redhat.com>
2563 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2564 TARGET_EP is not defined.
2565 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2566 TARGET_EP is enabled.
2567 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2568 * config/v850/v850.md (save_all_interrupt): Only use the EP
2569 register if TARGET_EP is defined.
2570 (restore_all_interrupt): Likewise.
2571 * config/v850/lib1funcs.asm: Update functions so that the EP
2572 register is only used if __EP__ is defined.
2574 2005-08-26 David Ung <davidu@mips.com>
2576 * config/mips/mips.c (mips_expand_prologue): Handle case when
2577 generating for MIPS16 and the outgoing argument area is more than
2578 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2581 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2583 * config/crx/crx.md: Make doloop_end pattern usage controllable
2584 via mloop-nesting=<max-nesting> command line switch. Make sure
2585 the combiner cannot use doloop_end_<mode> in an illegal way.
2586 * config/crx/crx.c: Use regs up to r6 for argument passing.
2587 Refine crx_address_cost (non cst4 displacements are expensive).
2588 * config/crx/crx.opt: Add switch for mloop-nesting=.
2590 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2592 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2593 (UNSPEC_MVST): New constant.
2595 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2597 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2598 Reject operands containing eliminable registers.
2599 * testsuite/gcc.dg/20050825-1.c: New testcase.
2601 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2602 Jan Hubicka <jh@suse.cz>
2604 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2606 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2608 PR tree-optimization/23546
2609 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2612 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2614 * params.def (PARAM_MIN_SPEC_PROB): New.
2615 * sched-rgn.c (MIN_PROBABILITY): Delete.
2616 (compute_trg_info): Convert to PARAM_VALUE.
2617 * doc/invoke.texi (param): Document min-spec-prob.
2619 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2621 * config/darwin.h: define __PIC__
2622 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2623 TARGET_OS_CPP_BUILTINS macro.
2625 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2627 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2630 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2632 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2634 * cfghooks.c (duplicate_block): Added position where to place
2635 new block as argument.
2636 * cfghooks.h (duplicate_block): Declaration changed.
2637 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2639 * cfglayout.h (copy_bbs): Declaration changed.
2640 * cfgloop.h (loop_version): Declaration changed.
2641 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2642 position to copy_bbs.
2643 (loop_version): Pass position to duplicate_loop_to_header_edge.
2644 Add place_after argument and position new blocks according to
2646 * modulo-sched.c (sms_schedule): Pass place_after argument
2648 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2649 * tree-cfg.c (split_edge_bb_loc): New function.
2650 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2651 to determine position of new blocks.
2652 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2654 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2655 argument to duplicate_block.
2656 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2657 Pass position to copy_bbs.
2659 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2661 * fold-const.c (ptr_difference_const): Use
2662 cst_and_fits_in_hwi instead of host_integerp.
2664 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2666 * config/darwin.c (gen_pic_offset): New.
2667 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2670 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2672 PR tree-optimization/23486
2673 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2675 2005-08-23 Phil Edwards <phil@codesourcery.com>
2677 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2678 remove use_collect2.
2679 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2681 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2682 configuration files to override the default value.
2684 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2685 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2686 * config/vx-common.h: New file, split out from...
2687 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2688 * config/vxworksae.h: New file, for VxWorks AE.
2689 * config/vxworks.opt: New file.
2690 * config/vxlib.c: Update for VxWorks 6.
2692 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2693 other MULTILIB_* variables appropriately.
2694 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2695 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2696 * config/rs6000/vxworks.h: Update for VxWorks 6.
2697 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2699 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2702 * config/darwin.c (machopic_select_section): Remove the hack to
2703 mark "::operator new" and "::operator delete" for coalescing
2704 even though they are not weak.
2706 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2708 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2709 * configure: Regenerate.
2711 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2714 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2716 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2717 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2720 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2722 * config/rs6000/predicates.md (equality_operator): New.
2723 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2724 comparison with a large constant.
2726 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2728 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2730 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2732 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2733 registers is even, and we have a hardware double precision fp,
2735 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2736 size of current argument when checking if argument was passed in
2739 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2742 * stor-layout.c (finalize_type_size): Dont override
2743 existing alignment with a smaller alignment from the mode.
2745 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2747 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2748 * lambda.h (lambda_vector_lexico_pos): ... here.
2749 * tree-data-ref.c (build_classic_dist_vector): Return false when
2750 the distance vector is lexicographically negative.
2752 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2754 PR tree-optimization/23511
2755 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2756 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2758 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2760 PR tree-optimization/22043
2761 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2762 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2763 If ALLOW_FLEXARR, handle types ending with flexible array member.
2764 Pass false as second argument to recursive count_type_elements calls.
2765 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2766 argument to count_type_elements call.
2767 * tree-sra.c (decide_block_copy): Likewise.
2768 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2769 for a constant-sized object, set cleared as well. Pass true as
2770 second argument to count_type_elements call.
2772 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2775 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2776 from legitimate_small_data_p, and make global. Update use.
2777 Remove forward declaration.
2778 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2780 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2782 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2784 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2785 of scratch intermediates.
2786 (eq<mode>_compare): Same.
2787 (neg_eq0<mode>): New.
2788 (neg_eq<mode>): Convert to define_insn_and_split.
2790 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2793 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2794 stdarg functions, set/clear the fp marker even when no variable
2796 * config/rs6000/sysv4.opt (mprototype): Describe.
2798 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2800 PR rtl-optimization/23478
2801 * regs.h (reg_info): Add throw_calls_crossed.
2802 (REG_N_THROWING_CALLS_CROSSED): Define.
2803 * flow.c (allocate_reg_life_data): Initialize
2804 REG_N_THROWING_CALLS_CROSSED.
2805 (propagate_one_insn, attempt_auto_inc): Update
2806 REG_N_THROWING_CALLS_CROSSED.
2807 * global.c (global_alloc): Don't allocate pseudos across
2808 calls that may throw.
2810 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2813 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2814 value is inbetween the range if we did not find an exact match.
2816 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2818 * doc/invoke.texi (Option Summary): Add ms1 options.
2819 * doc/extend.texi: Document interrupt handler attribute for ms1.
2820 * doc/md.texi: Document ms1 constraints.
2821 * config.gcc: Add ms1-*-elf.
2822 * config/ms1/ms1.h: New.
2823 * config/ms1/ms1.c: New.
2824 * config/ms1/ms1.md: New.
2825 * config/ms1/ms1-protos.h: New.
2826 * config/ms1/ABI.txt: New.
2827 * config/ms1/crti.asm: New.
2828 * config/ms1/crtn.asm: New.
2829 * config/ms1/lib2extra-funcs.c: New.
2830 * config/ms1/t-ms1: New.
2831 * config/ms1/ms1.opt: New.
2833 2005-08-22 Ira Rosen <irar@il.ibm.com>
2835 * config/rs6000/altivec.md (xorv4sf3): New.
2836 (negv4sf2, neg<mode>2): Likewise.
2838 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2841 * config/ia64/ia64.md (divsi3): Check divide by zero.
2842 (udivsi3): Likewise.
2844 (udivdi3): Likewise.
2846 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2848 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2849 up to elem_bitsize bits, not max_bitsize.
2851 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2853 PR tree-optimization/23433
2854 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2855 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2857 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2859 PR tree-optimization/23434
2860 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2861 the iteration bound is not an INTEGER_CST.
2863 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2865 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2866 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2867 NULL if need_epilog_adjust is false.
2868 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2869 Case 3 always peels first itration, not just for PLUS case, and no need
2870 to use scalar_initial_def here. Create an epilog adjustment only if
2871 scalar_initial_def is not NULL.
2873 (vectorizable_reduction): Remove assert.
2875 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2878 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2879 (__moddi3): Likewise.
2880 (__udivdi3): Likewise.
2881 (__umoddi3): Likewise.
2882 (__divsi3): Likewise.
2883 (__modsi3): Likewise.
2884 (__udivsi3): Likewise.
2885 (__umodsi3): Likewise.
2887 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2889 * tree-pass.h (TDF_GRAPH): Define.
2890 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2891 * passes.c (finish_optimization_passes): Only call
2892 finish_graph_dump_file if TDF_GRAPH is set.
2893 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2894 NULL. Set TDF_GRAPH bit.
2895 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2897 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2899 * arm.h (arm_stack_offsets): Add locals_base field.
2900 * arm.c (arm_get_frame_offsets): Compute it.
2901 (thumb_compute_initial_elimination offset): Make the Thumb frame
2902 pointer point to the base of the local variables.
2903 (thumb_expand_prologue): Update accordingly.
2904 (thumb_expand_epilogue): Likewise.
2906 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2907 mode of clobbered scratch to DImode. Handle a case that's known to
2910 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2912 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2913 (gt0<mode>_compare): Delete.
2914 (neg_gt0<mode>): Delete.
2916 2005-08-19 Eric Christopher <echristo@apple.com>
2918 * optabs.h: Change CTI_ to COI_.
2921 2005-08-19 James E Wilson <wilson@specifix.com>
2923 * builtins.c (expand_builtin_return_addr): Set
2924 current_function_accesses_prior_frames when count != 0. Use
2925 frame_pointer_rtx when count == 0.
2926 * function.h (struct function): Add accesses_prior_frames field.
2927 (current_function_accesses_prior_frames): Define.
2928 * reload1.c (init_elim_table): Check
2929 current_function_accesses_prior_frames.
2930 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2932 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2934 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2935 indicator. Return true if the flowgraph changed during
2938 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2941 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2942 conditional expression before testing its value.
2944 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2946 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2948 2005-08-19 Devang Patel <dpatel@apple.com>
2950 PR tree-optimization/23048
2951 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2952 third parameter. Check whether latch is dominated by exit
2954 (if_convertible_loop_p): Supply exit block itself to
2955 if_convertible_bb_p.
2957 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2960 * arm.md (arm_load_pic_register): Change argument to the mask of
2961 saved registers. Call thumb_find_work_register if we need a
2962 scratch register on Thumb.
2963 (arm_expand_prologue): Pass empty register set to
2964 arm_load_pic_register.
2965 (thumb_expand_prologue): Pass live_regs_mask directly to
2966 arm_load_pic_register.
2967 * arm-protos.h (arm_load_pic_register): Update prototype.
2969 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2971 * sh.c (find_sole_member): New function.
2972 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2973 if the record's alignment is larger than the size of its only member.
2975 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2978 * arm.c (thumb_legitimize_reload_address): New function.
2979 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2980 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2982 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2984 * config/crx/crx.c: Implement crx_decompose_address. Reject
2985 symbolic displacements since CRX register relative adressing
2986 mode can't handle unsigned 32-bit values as displacements.
2987 * config/crx/crx.h: Simplify definitions, remove redundant
2988 parenthesis and obsolete macros.
2989 * config/crx/crx.opt: Add new switch for debugging addresses.
2990 * config/crx/crx-protos.h: Add new declarations for above.
2992 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2995 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2998 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3000 * collect2.c (dup2): Delete.
3001 * configure.ac: Don't check for dup2.
3003 * config.in, configure: Regenerate.
3005 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3007 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3008 record with the type of its only member.
3010 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3012 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3013 define_insn_and_split.
3014 (plus_ltu<mode>_compare): Same.
3015 (gtu<mode>_compare): Same.
3016 (plus_gtu<mode>_compare): Same.
3018 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3020 PR tree-optimization/22228
3021 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3023 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3024 are recorded in vect_vnames_to_rename for renaming.
3025 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3026 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3027 in vect_vnames_to_rename.
3028 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3029 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3031 2005-08-18 Jan Hubicka <jh@suse.cz>
3034 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3035 info only for local statics, not for member variables.
3037 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3039 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3041 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3043 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3045 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3048 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3050 2005-08-17 James E Wilson <wilson@specifix.com>
3052 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3055 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3057 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3058 (leu<mode>_compare): Same.
3059 (plus_leu<mode>): Same.
3060 (neg_leu<mode>): Same.
3061 (and_neg_leu<mode): Same.
3062 (ltu<mode>_compare): Same.
3063 (plus_ltu<mode>): Same.
3065 (geu<mode>_compare): Same.
3066 (plus_geu<mode>): Same.
3067 (neg_geu<mode>): Same.
3068 (and_neg_geu<mode>): Same.
3069 (plus_gt<mode>): Same.
3070 (gtu<mode>_compare): Same.
3071 (plus_gtu<mode>): Same.
3073 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3075 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3076 Move call_table_data to end. Delete spurious .text.
3077 (callt_save_all_interrupt): Fix comment typo.
3079 2005-08-17 James E Wilson <wilson@specifix.com>
3080 Kevin Winchester <winchester@amirix.com>
3083 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3085 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3088 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3089 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3091 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3093 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3094 record with the type of its only member if the modes don't match.
3096 * varasm.c (decode_reg_name): Skip empty additional register names.
3098 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3100 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3101 lsm_tmp_name_length): New.
3102 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3103 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3105 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3106 Andreas Krebbel <krebbel1@de.ibm.com>
3108 * config.gcc: Added z9-109 switch.
3109 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3110 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3111 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3112 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3113 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3114 for "z9_109" cpu attribute.
3115 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3116 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3117 (s390_handle_arch_option): Added z9-109 switch.
3118 (override_options): Set respective cost function for z9-109.
3119 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3120 (legitimate_reload_constant_p): Accept extended immediates.
3121 (print_operand): Three new output modifiers added: k, m and o.
3122 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3123 (s390_output_mi_thunk): Use extended immediate when possible.
3124 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3125 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3126 (CONSTRAINT_LEN): Added length of O constraint.
3127 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3128 * config/s390/s390.md ("cpu"): New value z9_109 added.
3129 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3130 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3131 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3132 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3133 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3134 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3135 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3136 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3137 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3138 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3139 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3140 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3141 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3142 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3143 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3145 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3146 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3147 insns for TARGET_EXTIMM.
3149 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3151 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3153 2005-08-17 Nick Clifton <nickc@redhat.com>
3155 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3156 Call default_encode_section_info.
3158 2005-08-17 Steven Bosscher <stevenb@suse.de>
3160 PR tree-optimization/21574
3161 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3162 constant, return CONSTANT.
3163 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3164 (ccp_fold, visit_assignment): Likewise.
3165 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3167 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3169 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3170 fold_buildN instead of buildN then fold_initializer or fold.
3171 (build_unary_op): Likewise.
3172 (build_binary_op): Likewise.
3173 * fold-const.c (fold_initializer): Remove.
3174 (fold_build1_initializer): New function.
3175 (fold_build2_initializer): New function.
3176 (fold_build3_initializer): New function.
3177 * tree.h (fold_initializer): Remove.
3178 (fold_build1_initializer): New function.
3179 (fold_build2_initializer): New function.
3180 (fold_build3_initializer): New function.
3182 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3184 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3185 (try_move_mult_to_index): Call fold_build2 instead of build2.
3186 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3187 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3188 fold_binary_to_constant.
3189 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3191 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3192 check if A == gcd (A, B). Remove TYPE argument.
3193 (analyze_offset) Use fold_build2 instead of fold (build.
3194 (create_data_ref): Likewise.
3195 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3196 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3199 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3201 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3202 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3204 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3207 * gimplify.c (zero_sized_type): New function.
3208 (gimplify_modify_expr_rhs): If we have a zero sized type,
3209 replace the statement with an empty statement.
3211 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3213 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3216 2005-08-16 Ian Lance Taylor <ian@airs.com>
3218 * doc/tm.texi (Label Output): Correct typo.
3220 2005-08-16 Steven Bosscher <stevenb@suse.de>
3223 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3224 force_operand will work later on using have_insn_for.
3226 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3228 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3230 2005-08-16 Ian Lance Taylor <ian@airs.com>
3233 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3234 vector type, don't try to construct it element by element. Add an
3235 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3237 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3239 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3241 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3243 * doc/invoke.texi (Precompiled Headers): Document some more options
3244 which are known to be safe.
3246 2005-08-16 James E Wilson <wilson@specifix.com>
3248 PR tree-optimization/21105
3249 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3250 TREE_OVERFLOW check.
3252 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3254 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3255 (neg_ltu<mode>): Same.
3257 (neg_gtu<mode>): Same.
3259 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3261 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3262 (fold_builtin_isdigit): Use fold_buildN.
3263 (build_function_call_expr): Likewise.
3264 * c-typeck.c (c_finish_loop): Likewise.
3266 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3267 Richard Shann <rshann@superh.com>
3269 PR middle-end/20396:
3270 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3272 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3274 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3276 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3279 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3280 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3283 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3286 * fold-const.c (build_range_check): Disable optimization for function
3287 pointer expressions on targets that require function pointer
3290 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3292 * simplify-rtx.c (simplify_const_relational_operation): When
3293 extracting arguments of a COMPARE, recompute the mode as well.
3295 2005-08-15 Ian Lance Taylor <ian@airs.com>
3297 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3299 2005-08-15 DJ Delorie <dj@redhat.com>
3301 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3303 (movsi_splittable): Allow, but split, moves to the stack.
3304 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3307 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3309 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3310 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3311 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3313 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3314 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3315 Delete HOST_PTR_PRINTF.
3317 * configure, config.in: Regenerate.
3319 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3321 * config/rs6000/rs6000.md (QHSI): New mode macro.
3322 (wd): Extend mode attr for QImode and HImode
3323 (dbits): New mode attr.
3324 (zero_extend<mode>di2): Convert to mode macro.
3326 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3329 * doc/invoke.texi (-mgnu-ld): Update description.
3332 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3335 * Makefile.in (tree-chrec.o): Depends on real.h.
3336 * tree-chrec.c: Include real.h.
3337 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3338 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3339 * tree-scalar-evolution.c (add_to_evolution_1,
3340 interpret_rhs_modify_expr): Ditto.
3342 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3345 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3346 step is negative compute the estimation from init downwards to zero.
3348 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3350 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3352 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3354 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3356 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3357 Accept double-word constants that can be split.
3358 * config/s390/s390.md ("movti"): Use 'P' constraint.
3359 ("*movdi_31", "*movdf_31"): Likewise.
3361 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3363 Fix PR tree-optimization/22615
3365 * tree-ssa-structalias.c (solution_set_add): Handle
3366 first_vi_for_offset returning NULL.
3367 (do_da_constraint): Ditto.
3368 (do_sd_constraint): Ditto.
3369 (do_ds_constraint): Ditto
3370 (find_func_aliases): Ditto.
3371 (build_constraint_graph): RHS is allowed be ANYTHING.
3372 (first_vi_for_offset): Return NULL if we couldn't find anything at
3375 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3377 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3378 over memory as first operand.
3380 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3383 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3384 available for setting it.
3386 2005-08-14 Ira Rosen <irar@il.ibm.com>
3388 PR tree-optimization/23320
3389 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3390 data-refs' types instead of base object nullness. Add check for
3391 pointer type data-refs before first location comparison. Remove
3394 2005-08-14 Andreas Schwab <schwab@suse.de>
3396 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3398 2005-08-13 James E Wilson <wilson@specifix.com>
3400 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3401 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3402 -fstack-protector-all, --param ssp-buffer-size): Document.
3403 (-Wvariadic-macros): Alphabetize.
3404 (-fsched-stalled-insns-dep): Add missing 'f'.
3406 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3409 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3411 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3412 or indirect address operand.
3413 (EXTRA_ADDRESS_CONSTRAINT): New.
3414 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3416 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3418 PR tree-optimization/22236
3419 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3420 successors and predecessors.
3421 * tree-chrec.c (chrec_convert): Before converting, check that
3422 sequences don't wrap.
3423 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3424 (analyze_array): Extern.
3425 (find_data_references_in_loop): Remove call to
3426 compute_estimated_nb_iterations.
3427 * tree-data-ref.h (analyze_array): Declared.
3428 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3429 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3430 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3431 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3433 * tree-ssa-loop-ivcanon.c: Fix documentation.
3434 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3435 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3436 (infer_loop_bounds_from_undefined): New.
3437 (estimate_numbers_of_iterations_loop): Use
3438 infer_loop_bounds_from_undefined.
3439 (used_in_pointer_arithmetic_p): New.
3440 (scev_probably_wraps_p): Pass an extra parameter. Call
3441 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3442 (convert_step): Fix documentation.
3443 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3444 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3445 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3446 scev_probably_wraps_p.
3448 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3450 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3451 (s390_register_info): Ignore clobbered_regs information for fixed
3452 registers, and only fixed registers.
3453 (s390_init_frame_layout): Remove redundant call.
3455 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3457 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3458 description of -Wold-style-casts.
3460 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3461 Jakub Jelinek <jakub@redhat.com>
3463 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3464 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3465 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3466 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3467 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3468 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3469 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3470 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3471 ("stack_protect_set", "stack_protect_test"): New expanders.
3472 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3473 "stack_protect_testdi"): New insn definitions.
3475 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3477 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3479 2005-08-12 Paul Brook <paul@codesourcery.com>
3481 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3483 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3485 * config/s390/predicates.md (setmem_operand): New predicate.
3486 (shift_count_operand): Accept ANDs with special constants as
3488 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3489 with special constants.
3490 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3491 shift_count_operand with setmem_operand.
3493 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3495 * config/s390/s390.c (s390_extract_part, s390_single_part):
3497 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3498 (s390_output_mi_thunk): Don't use lg on 31 bit.
3499 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3500 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3502 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3504 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3505 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3506 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3507 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3508 with one of the new macros.
3510 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3512 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3513 Don't set save_return_addr_p.
3514 (s390_register_info): Make clobbered_regs not depending on
3517 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3519 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3520 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3522 2005-08-11 James E. Wilson <wilson@specifix.com>
3524 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3526 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3528 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3529 locations gathered by var-tracking in single entry loc_list
3530 over loc_descriptor_from_tree.
3532 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3533 pass it down to loc_descriptor.
3534 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3535 (containing_function_has_frame_base): Move earlier in the file.
3536 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3537 instead of always assuming fbreg can't be used.
3539 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3541 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3542 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3543 Accept address wrapped in AND for Altivec.
3544 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3545 Strip AND wrapping offset address for Altivec.
3547 2005-08-11 Richard Henderson <rth@redhat.com>
3550 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3551 before using TYPE_IS_SIZETYPE.
3553 2005-08-11 Richard Henderson <rth@redhat.com>
3556 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3557 insn types not present on ev4.
3558 (alphaev5_insn_pipe): Similarly.
3560 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3563 * arm.c (arm_override_options): If the user has selected callee-super-
3564 interworking, then enable normal interworking.
3566 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3568 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3571 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3573 * doc/rtl.texi: Fix two typos.
3575 2005-08-11 Richard Guenther <rguenther@suse.de>
3578 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3579 cases where we call to/from functions returning void.
3581 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3584 * tree.c (build_pointer_type_for_mode): Robustify.
3586 2005-08-10 James E Wilson <wilson@specifix.com>
3588 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3589 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3591 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3594 2005-08-10 Eric Christopher <echristo@apple.com>
3596 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3597 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3600 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3603 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3604 for the high part when generating dynamic-no-pic code.
3606 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3608 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3609 (x86_64-*-linux*): Likewise.
3611 * config/i386/crtfastmath.c: New file.
3612 * config/i386/t-crtfm: Likewise.
3614 * config/i386/linux.h (ENDFILE_SPEC): New.
3615 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3617 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3620 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3622 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3623 (vec_shl, vec_shr): Document new operations.
3624 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3626 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3628 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3629 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3630 change predicate to indexed_or_indirect_address.
3632 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3634 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3635 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3636 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3637 and __aeabi_uwrite8.
3638 * config/arm/unaligned-funcs.c: New file.
3639 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3641 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3643 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3645 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3646 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3648 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3649 * final.c (pass_shorten_branches): Add dump.
3650 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3651 (pass_life): Rename dump.
3652 (rest_of_handle_flow2): Remove initial verify_flow_info.
3653 * function.c (pass_instantiate_virtual_regs): Add dump.
3654 * integrate.c (pass_initial_value_sets): Add dump.
3655 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3656 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3657 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3658 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3659 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3660 gate_rtl_unrool_and_peel_loops): New.
3661 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3662 rtl_doloop): Do not look at flags.
3663 * mode-switching.c (pass_mode_switching): Add dump.
3664 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3665 pass_split_before_regstack): Add dump.
3666 * regmove.c (pass_stack_adjustments): Add dump.
3667 * tree-optimize.c (pass_fixup_cfg): Add dump.
3669 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3672 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3673 deciding which instruction sequence to use.
3675 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3677 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3678 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3680 2005-08-09 Richard Guenther <rguenther@suse.de>
3682 * c-common.c (builtin_function_2): Remove.
3683 (def_builtin_1): New function.
3684 (c_common_nodes_and_builtins): Use def_builtin_1 to
3685 build builtin functions.
3687 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3689 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3690 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3691 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3694 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3696 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3697 fold_binary instead of fold_build2 since we don't care about the
3699 (loop_niter_by_eval): Likewise.
3700 (compare_trees): Likewise.
3701 (proved_non_wrapping_p): Likewise.
3703 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3707 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3708 if the if is really empty.
3710 2005-08-09 Steven Bosscher <stevenb@suse.de>
3712 PR tree-optimization/23234
3713 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3714 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3715 argument of the new enum.
3716 (execute_cse_reciprocals): Add reciprocals for function arguments
3717 on the unique successor edge of the entry block. Update other calls
3718 to execute_cse_reciprocals_1.
3720 2005-08-08 Richard Henderson <rth@redhat.com>
3723 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3725 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3727 * expr.c (write_complex_part): Return after handling MEM.
3729 2005-08-08 Josh Conner <jconner@apple.com>
3731 PR rtl-optimization/23241
3732 * combine.c (simplify_comparison): Fix error in determining
3733 whether to lift a subreg from comparison.
3735 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3738 * config/rs6000/altivec.md (vec_init<mode>): New.
3739 (vec_set<mode>): New.
3740 (vec_extract<mode>): New.
3741 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3742 (rs6000_expand_vector_set): New.
3743 (rs6000_expand_vector_extract): New.
3744 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3745 for Altivec modes before reload.
3746 (altivec_expand_vec_init_builtin): New.
3747 (get_element_number): New.
3748 (altivec_expand_vec_set_builtin): New.
3749 (altivec_expand_vec_ext_builtin): New.
3750 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3752 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3754 * config/rs6000/rs6000.h (rs6000_builtins): Add
3755 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3756 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3757 * config/rs6000/rs6000-protos.h: Declare new functions.
3759 2005-08-08 Jan Hubicka <jh@suse.cz>
3761 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3762 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3763 * i386.md (movdi*): Use pic_32bit_operand.
3764 * predicates.md (pic_32bit_operand): New.
3766 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3769 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3771 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3773 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3774 (test_for_singularity): Use fold_build2.
3776 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3778 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3780 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3782 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3783 (COMMON_ASM_OP) Define.
3784 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3785 (ix86_encode_section_info): Likewise.
3786 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3787 SUBTARGET_ENCODE_SECTION_INFO.
3789 2005-08-06 Richard Henderson <rth@redhat.com>
3792 * tree-nested.c (convert_local_reference): Save and restore val_only
3793 around component_ref and friends. Clear walk_subtrees by default.
3795 2005-08-06 Peter O'Gorman <peter@pogma.com>
3798 * gcc.c (process_command): Check the argument to -b has a dash.
3799 * doc/invoke.texi: Update -b and -V docs.
3801 2005-08-06 James E Wilson <wilson@specifix.com>
3803 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3805 2005-08-06 Michael Matz <matz@suse.de>
3807 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3808 member only if only one insn is associated with the value.
3810 2005-08-06 Nick Clifton <nickc@redhat.com>
3812 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3814 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3815 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3816 Check symbol flags instead of symbol name mangling.
3817 (xstormy16_asm_output_aligned_common): Likewise. Also
3818 simplify code since the bss100_section cass is the only case
3819 where the below100 code will be triggered.
3820 (xstormy16_encode_section_info): Encode below100 attribute
3821 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3823 (xstormy16_strip_name_encoding): Delete - this function is no
3825 (TARGET_STRIP_NAME_ENCODING): Undefine.
3826 * config/stormy16/stormy16-protos.h: Delete prototype for
3827 xstormy16_strip_name_encoding.
3829 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3831 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3832 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3833 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3834 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3835 config/alpha/predicates.md, config/arc/arc.h,
3836 config/arm/arm.h, config/arm/ieee754-df.S,
3837 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3838 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3839 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3840 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3841 config/m68hc11/m68hc11.h, config/mips/mips.c,
3842 config/mips/mips.h, config/mips/openbsd.h,
3843 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3844 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3845 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3846 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3847 config/sparc/linux.h, config/sparc/linux64.h,
3848 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3849 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3850 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3851 typos. Follow spelling conventions.
3853 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3856 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3857 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3858 specially. Check for side effects only for COND_EXPR.
3859 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3860 return with TREE_NO_WARNING.
3862 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3864 PR rtl-optimization/23233
3865 * loop.c (combine_movables): Require the modes to be the same.
3866 (move_movables): Remove handling of cases where the replacement
3867 had a different mode to the original.
3869 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3871 PR tree-optimization/23128
3872 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3873 subtraction wrap, and set TREE_OVERFLOW if they do.
3875 2005-08-05 Richard Henderson <rth@redhat.com>
3878 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3879 FORCED_LABEL labels.
3881 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3884 * reload.c (find_reloads_subreg_address): Pass down TYPE
3885 unchanged. Change all callers except find_reloads_toplev.
3887 2005-08-05 Michael Matz <matz@suse.de>
3889 * genattrtab.c (current_alternative_string): Remove.
3890 (SIMPLIFY_ALTERNATIVE): Ditto.
3891 (attr_alt_bit_p): Ditto.
3892 (alternative_name): Make const char *.
3893 (evaluate_eq_attr): Remove use of above things.
3894 (simplify_test_exp): Ditto.
3895 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3896 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3898 2005-08-04 James E Wilson <wilson@specifix.com>
3900 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3901 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3902 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3903 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3904 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3906 2005-08-04 Richard Henderson <rth@redhat.com>
3909 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3910 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3911 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3912 if we'd have to instantiate too many members.
3914 2005-08-04 Richard Henderson <rth@redhat.com>
3917 * tree-outof-ssa.c (coalesce_asm_operands): New.
3918 (coalesce_ssa_name): Use it. Split out ...
3919 (coalesce_phi_operands, coalesce_result_decls): ... these.
3921 2005-08-04 Paul Brook <paul@codesourcery.com>
3923 * read-rtl.c (read_quoted_string): Break if EOF.
3925 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3927 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3928 (fold_build2): Likewise.
3929 (fold_build3): Likewise.
3930 (fold_build1_stat): New function prototype.
3931 (fold_build2_stat): Likewise.
3932 (fold_build3_stat): Likewise.
3933 * fold-const.c (fold_build1): Rename to ..
3934 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3935 through to build1_stat.
3936 (fold_build2): Rename to ..
3937 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3938 through to build2_stat.
3939 (fold_build3): Rename to ..
3940 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3941 through to build3_stat.
3943 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3944 Ian Lance Taylor <ian@airs.com>
3946 * function.c (assign_stack_local_1): Do not correct stack slot
3947 address if allocation size is smaller than mode size.
3949 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3952 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3953 (tree_merge_blocks): Propagate anything allowed by
3955 Clarify documentation.
3956 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3957 SSA form, schedule an update if necessary.
3959 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3961 * doc/install.texi (Binaries): Remove broken link to
3962 Sinix/Reliant Unix binaries.
3964 2005-08-03 Richard Henderson <rth@redhat.com>
3967 * function.c (stack_protect_epilogue): Export.
3968 * tree.h (stack_protect_epilogue): Declare.
3969 * calls.c (expand_call): Call it.
3971 2005-08-03 Eric Christopher <echristo@apple.com>
3973 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3974 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3977 2005-08-04 Jan Hubicka <jh@suse.cz>
3979 * profile.c (branch_prob): Split edges with goto locus on them
3980 to get proper line counts.
3981 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3983 2005-08-03 Paul Brook <paul@codesourcery.com>
3985 * function.c (assign_parms): Round current_function_args_size
3986 to PARM_BOUNDARY, not STACK_BOUNDARY.
3988 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3990 * config/i386/i386.c (x86_elf_aligned_common)
3991 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3993 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3995 PR tree-optimization/23157
3996 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3997 before emitting them.
3999 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4001 PR tree-optimization/19899
4002 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4003 * tree-scalar-evolution.c: Include real.h.
4004 (add_to_evolution): Build constant -1 of correct type.
4006 2005-08-03 Jan Hubicka <jh@suse.cz>
4008 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4009 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4010 profile updating for complette unrolling.
4011 * loop-unroll.c (peel_loop_completely): Use it.
4012 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4013 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4016 2005-08-03 Paul Brook <paul@codesourcery.com>
4018 * combine.c (can_change_dest_mode): New function.
4019 (try_combine, simplify_set): Use it.
4021 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4023 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4026 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4028 * doc/install.texi (Specific): Adjust link to openavr.org.
4029 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4030 (Binaries): Adjust HP-UX Porting Center link.
4031 (Binaries): Adjust Free Software Foundation ordering link.
4033 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4035 * convert.c (convert_to_integer): Use fold_build1 instead of
4036 build1 when converting an integer to an integer.
4038 2005-08-02 Richard Henderson <rth@redhat.com>
4040 * combine.c (combine_instructions): Don't use reg_equal/equiv
4041 results if the mode doesn't match.
4043 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4045 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4046 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4048 2005-08-02 Richard Henderson <rth@redhat.com>
4051 * explow.c (memory_address): Remove special-case for
4052 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4054 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4057 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4058 number of calls to cleanup_tree_cfg_1.
4060 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4062 * doc/invoke.texi: document file extensions .F90 and .F95
4064 2005-08-02 Richard Guenther <rguenther@suse.de>
4066 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4067 positive if its first argument is positive.
4069 2005-08-02 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/23177
4072 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4075 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4077 PR tree-optimization/23129
4078 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4079 varying for divisions with anti-ranges.
4081 2005-08-02 Jan Hubicka <jh@suse.cz>
4083 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4084 * tree-ssa-threadupdate.c (thread_block): Add it here.
4086 2005-08-01 James E Wilson <wilson@specifix.com>
4088 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4089 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4090 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4092 * config/mips/predicates.md (const_call_insn_operand): Add check for
4093 SYMBOL_REF_LONG_CALL_P.
4094 * doc/extend.texi (long_call): Document the new attribute.
4096 2005-08-01 Ian Lance Taylor <ian@airs.com>
4097 Richard Henderson <rth@redhat.com>
4099 * Makefile.in (RTL_BASE_H): Add real.h.
4100 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4102 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4104 * rtl.c (rtl_check_failed_code_mode): New.
4105 * rtl.h (struct rtx_def): Add u.rv.
4106 (XCMWINT, XCNMPRV): New.
4107 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4108 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4110 2005-08-01 Richard Henderson <rth@redhat.com>
4112 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4113 with auto-inc codes.
4115 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4117 2005-08-01 Jan Hubicka <jh@suse.cz>
4119 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4120 * i386.c: Include dwarf2.h
4121 (asm_preferred_eh_data_format): New.
4122 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4124 2005-08-01 Ian Lance Taylor <ian@airs.com>
4126 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4127 randomize_va_space for virtual address randomization control.
4129 2005-08-01 Steven Bosscher <stevenb@suse.de>
4131 * common.opt (flag_ipa_cp): Put in right place to maintain
4134 2005-08-01 Jan Hubicka <jh@suse.cz>
4136 * profile.c (compute_value_histograms): Fix thinko.
4137 * value-prof.c: Include toplev.h
4138 (check_counter): New function.
4139 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4140 tree_mod_subtract_transform): Add sanity check.
4142 2005-08-01 Richard Guenther <rguenther@suse.de>
4144 PR tree-optimization/23133
4145 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4146 current functions parameter decls to find defs to cse
4149 2005-08-01 Richard Guenther <rguenther@suse.de>
4151 PR tree-optimization/23109
4152 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4153 If trapping math is in effect, use post-dominator information
4154 to check if we'd in any case reach a trapping point before
4155 doing the reciprocal insertion.
4156 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4157 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4158 expressions are invariant only if trapping math is not in effect.
4160 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4162 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4163 cgraph_function_versioning): New declarations.
4164 * cgraphunit.c: Add include to ipa-prop.h.
4165 (update_call_expr, cgraph_copy_node_for_versioning,
4166 cgraph_function_versioning): New functions.
4167 * integrate.c (copy_decl_for_inlining): Remove.
4168 * ipa-prop.h (ipa_replace_map): New struct.
4169 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4170 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4171 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4172 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4173 ipcp_iterate_stage, ipcp_method_scale_print,
4174 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4175 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4176 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4177 ipcp_update_bb_counts, ipcp_update_profiling,
4178 ipcp_update_edges_counts): New functions.
4179 (ipcp_method_cval_init): Remove restriction regarding local methods.
4180 (ipcp_init_stage): Add ipcp_method_compute_scale.
4181 (ipcp_insert_stage): Add versioning.
4182 (ipcp_structures_print): Add ipcp_method_scale_print.
4183 (ipcp_driver): Dump profiling info.
4184 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4185 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4186 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4187 (struct inline_data): Add versioning_p, ipa_info, new fields.
4188 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4189 declare_return_variable): Replace calls to copy_decl_for_inlining with
4191 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4193 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4194 Add argument VERSIONING.
4195 (copy_arguments_for_versioning, copy_static_chain,
4196 function_versionable_p, tree_versionable_function_p,
4197 tree_function_versioning, replace_ref_tree): New functions.
4198 * tree-inline.h: Include varray.h.
4199 (tree_versionable_function_p, tree_function_versioning,
4200 tree copy_decl_for_dup): New declarations.
4202 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4204 * ipa-cp.c: New file. Contains IPCP specific functionality.
4205 * ipa-prop.h: New file. Contains structures/definitions that can be
4206 used by several interprocedural data flow optimizations (and also IPCP).
4207 * ipa-prop.c: New file.
4208 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4209 * common.opt: Add ipa-cp flag.
4210 * timevar.def: Add IPCP optimization.
4211 * tree-optimize.c (init_tree_optimization_passes): Schedule
4213 * tree-pass.h (pass_ipa_cp): Declare.
4215 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4217 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4218 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4219 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4220 config/i386/i386.c, config/mips/mips.h,
4221 config/rs6000/rs6000.h, config/sh/sh.c,
4222 config/stormy16/stormy16.c: Fix comment typos.
4224 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4227 * c-typeck.c (build_binary_op): Use common_type wrapper on
4229 (common_type): Update comment.
4231 2005-07-31 Steven Bosscher <stevenb@suse.de>
4234 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4235 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4236 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4238 2005-07-31 Jan Hubicka <jh@suse.cz>
4240 * pretty-print.h (pp_widest_integer): New macro.
4241 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4244 2005-07-31 Jan Hubicka <jh@suse.cz>
4246 * output.h (enum section_category): Export from varasm.c
4247 (categorize_decl_for_section): Likewise.
4248 * varasm.c (enum section_category): Kill.
4249 (categorize_decl_for_section): Make global.
4250 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4252 * i386.c (ix86_section_threshold): New static variable.
4253 (ix86_in_large_data_p, ix86_encode_section_info,
4254 x86_64_elf_unique_section,
4255 x86_64_elf_select_section): New functions.
4256 (TARGET_ENCODE_SECTION_INFO): Define
4257 (override_options): Enable medium model for PIC.
4258 (ix86_expand_prologue): Expand gen_set_got_rex64.
4259 (legitimate_constant_p): Handle new UNSPECs.
4260 (legitimate_pic_address_disp_p): Likewise.
4261 (legitimize_pic_address): Lower MEDIUM model addressing.
4262 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4263 (enum cmodel): Add MEDIUM_PIC.
4264 (SYMBOL_REF_FAR_ADDR_P): New macro.
4265 (SYMBOL_FLAG_FAR_ADDR): New flag.
4266 * i386.md (movdi): Support medium model.
4267 (set_got_rex64): New pattern.
4268 * i386.opt (mlarge-data-threshold): New flag.
4269 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4270 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4271 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4272 TARGET_ASM_UNIQUE_SECTION): New.
4274 * invoke.texi (-mlarge_data_threshold): Document
4276 2005-07-31 Jan Hubicka <jh@suse.cz>
4278 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4279 (coalesce_vars): Likewise.
4280 * tree-ssa-live.c (coalesce_cost): New.
4281 (build_tree_conflict_graph): Use coalesce_cost.
4282 * tree-ssa-live.h (coalesce_cost): Declare.
4284 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4286 * arm.md (all peepholes for post-increment operations): Delete.
4287 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4288 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4289 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4290 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4291 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4293 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4295 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4298 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4301 * doc/invoke.texi: Document -rdynamic.
4303 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4306 * c-parser.c (c_parser_parms_list_declarator): Call
4307 mark_forward_parm_decls.
4308 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4309 decls with visibility structure.
4311 2005-07-30 Paul Brook <paul@codesourcery.com>
4313 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4315 2005-07-30 Paul Brook <paul@codesourcery.com>
4317 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4319 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4321 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4323 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4326 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4327 nested function declarators.
4328 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4329 (grokparms): Call warn_if_shadowing for parameters used within the
4331 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4332 not used within the parameter list.
4333 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4335 2005-07-30 Jan Hubicka <jh@suse.cz>
4337 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4338 * i386.c (ix86_fixup_binary_operands): Likewise.
4339 (ix86_expand_unary_operator): Likewise.
4340 (ix86_expand_fp_absneg_operator): Likewise.
4341 * optabs.c (expand_vec_cond_expr): Validate dest.
4343 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4346 * real.c (real_from_string): Also set last bit if there is a
4347 nonzero hex digit beyond GCC's internal precision after ".".
4349 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4351 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4352 define_constants. Change duplicate values to unassigned numbers.
4353 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4354 (*altivec_vspltsf): New.
4355 (altivec_vperm_v4sf): Delete.
4356 (altivec_vperm_<mode>): Use mode macro V.
4357 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4358 (altivec_predicate_v4sf): Delete.
4359 (altivec_predicate_<mode>): Use mode macro V.
4360 (*altivec_lvesfx): New.
4361 (*altivec_stvesfx): New.
4362 (vec_realign_load_v4sf): Delete.
4363 (vec_realign_load_<mode>): Use mode macro V.
4364 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4367 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4370 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4372 * configure: Regenerated.
4374 2005-07-29 Paul Brook <paul@codesourcery.com>
4376 * doc/install.texi: Add link to GFortran binaries wiki page.
4378 2005-07-29 David Ung <davidu@mips.com>
4380 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4381 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4382 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4383 * config/mips/mips.md (cpu): Add 5kf name.
4384 (includes): Includes 5k.md.
4385 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4386 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4389 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4392 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4393 (cleanup_tree_cfg): ... here.
4394 Call cleanup_tree_cfg_1 until there are no more cleanups to
4397 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4399 * tree-vrp.c (compare_range_with_value): Return true or false
4400 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4401 EQ_EXPR respectively.
4403 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4405 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4408 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4410 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4411 (tree_ssa_dominator_optimize): Increment it.
4412 (dump_dominator_optimization_stats): Print it.
4414 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4415 Steven Bosscher <stevenb@suse.de>
4417 PR rtl-optimization/23117
4418 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4419 when head == tail. Tidy comment.
4421 2005-07-28 Richard Henderson <rth@redhat.com>
4423 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4424 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4425 * jump.c (rtx_renumbered_equal_p): Likewise.
4426 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4427 CONST_INT and CONST_DOUBLE.
4428 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4429 * reload.c (operands_match_p): Special case CONST_INT and
4430 CONST_DOUBLE; check mode earlier.
4432 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4435 * c-typeck.c (convert_for_assignment): Do not check
4436 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4438 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4441 * c-typeck.c (composite_type): Prefer constant size arrays to
4444 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4447 * real.c (real_from_string): Set last bit if there is a nonzero
4448 hex digit beyond GCC's internal precision.
4450 2005-07-28 Richard Henderson <rth@redhat.com>
4453 * cfgcleanup.c (try_forward_edges): Watch out for end of
4456 2005-07-28 James E Wilson <wilson@specifixinc.com>
4459 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4461 2005-07-28 Jan Hubicka <jh@suse.cz>
4463 * Makefile.in (rtl-profile.o): Kill all traces of it.
4464 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4465 * coverage.h (rtl_coverage_counter_ref): Kill.
4466 * opts.c (flag_speculative_prefetching_set): Kill.
4467 (flag_loop_optimize_set): New.
4468 (common_handle_option): Disable loop optimizer when profiling;
4469 do not handle speculative prefetching.
4470 * passes.c (init_optimization_passes): Replace pass_profiling combo
4471 by branch_prob pass.
4472 * profile.c (compute_value_histograms): Update for simplified value
4474 (rtl_register_profile_hooks): Kill.
4475 (pass_profiling): Kill.
4476 (rest_of_handle_branch_prob): Do not profile.
4477 * toplev.c (process_options): Remove speculative prefetching.
4478 * toplev.h (flag_tree_based_profiling): Kill.
4479 * tree-profile.c (prepare_instrumented_value,
4480 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4481 tree_gen_one_value_profiler, do_tree_profiling): Update for
4482 simplified datastructures.
4483 * value-prof.c: Add comment that speculative prefetching was dropped;
4484 update rest of file for simplified datastructures.
4485 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4486 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4487 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4488 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4489 rtl_mod_subtract, gen_speculative_prefetch,
4490 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4491 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4492 (gate_handle_value_profile_transformations,
4493 rest_of_handle_value_profile_transformations,
4494 pass_value_profile_transformations): Kill.
4495 * value-prof.h (histogram_value_t): Remove IL based unions.
4496 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4497 rtl_profile_hooks): Remove hooks.
4499 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4501 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4502 (cgraph_clone_node): Likewise.
4503 * cgraph.h (cgraph_clone_edge): Update prototype.
4504 (cgraph_clone_node): Likewise.
4505 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4507 (lookup_recursive_calls): Consider profile.
4508 (cgraph_decide_recursive_inlining): Fix updating; use new
4509 probability argument; use profile.
4510 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4511 * tree-inline.c (copy_bb): Update clal of clone_edge.
4512 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4514 * invoke.texi (min-inline-recursive-probability): Document.
4516 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4518 * doc/install.texi (Configuration): Update Valgrind homepage.
4520 2005-07-28 Richard Henderson <rth@redhat.com>
4523 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4524 labels we want to delete.
4525 (cfg_layout_merge_blocks): Likewise.
4527 2005-07-28 Richard Henderson <rth@redhat.com>
4530 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4531 when expanding to nothing.
4533 2005-07-28 Josh Conner <jconner@apple.com>
4535 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4536 (cgraph_decide_inlining_of_small_functions): Likewise.
4538 2005-07-28 Josh Conner <jconner@apple.com>
4540 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4541 direction of badness if negative.
4542 (cgraph_default_inline_p): Add reason to parameters, and assign it
4544 (cgraph_decide_inlining_of_small_functions): New parameter in call
4545 to cgraph_default_inline_p.
4546 (cgraph_decide_inlining_incrementally): Likewise.
4547 * cgraphunit.c (decide_is_function_needed): Likewise.
4548 * cgraph.h (cgraph_default_inline_p): Likewise.
4550 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4552 * builtins.c: Fix comment typo(s).
4553 * genautomata.c: Likewise.
4554 * gimplify.c: Likewise.
4555 * tree-dfa.c: Likewise.
4556 * tree-flow-inline.h: Likewise.
4557 * tree-into-ssa.c: Likewise.
4558 * tree-ssa-alias.c: Likewise.
4559 * tree-ssa-ccp.c: Likewise.
4560 * tree-ssa-copy.c: Likewise.
4561 * tree-ssa-dce.c: Likewise.
4562 * tree-ssa-dom.c: Likewise.
4563 * tree-ssa-operands.c: Likewise.
4564 * tree-tailcall.c: Likewise.
4565 * tree-vectorizer.c: Likewise.
4566 * tree-vrp.c: Likewise.
4569 2005-07-28 Jeff Law <law@redhat.com>
4571 * tree-vrp.c (test_for_singularity): Extracted from ...
4572 (simplify_cond_using_ranges): Attempt to simplify a relational
4573 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4575 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4577 PR tree-optimization/22506
4578 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4579 phis whose argument is constant.
4581 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4583 PR rtl-optimization/18992
4584 Back out this patch:
4585 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4586 PR optimization/12142
4587 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4588 uses of the register in the SET_SRC. Remove unnecessary argument.
4590 Replace it with this:
4591 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4592 if flag_non_call_exceptions is set and the insn may trap, pass
4593 pc_rtx as dest for recursion.
4594 In SET_SRC part of SET case, if dest is already set, pass it down
4597 2005-07-28 Jan Hubicka <jh@suse.cz>
4599 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4600 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4601 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4603 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4604 profile when available.
4606 2005-07-28 Jan Beulich <jbeulich@novell.com>
4608 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4609 (ia64_print_operand): Describe and handle 'X'.
4610 (ia64_register_move_cost): Also handle FP_REGS.
4611 (ia64_preferred_reload_class): Likewise.
4612 (ia64_secondary_reload_class): Likewise.
4613 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4614 it. Also check for ITANIUM_CLASS_FLDP.
4615 * config/ia64/ia64.h (FP_REGNO_P): New.
4616 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4617 (reg_class): Add FP_REGS.
4618 (REG_CLASS_NAMES): Adjust for it.
4619 (REG_CLASS_CONTENTS): Likewise.
4620 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4621 (REG_CLASS_FROM_LETTER): Handle 'x'.
4622 (CLASS_MAX_NREGS): Handle FP_REGS.
4623 (MEMORY_MOVE_COST): Likewise.
4624 * config/ia64/ia64.md (itanium_class): Add fldp.
4625 (type): Handle fldp.
4626 (movti_internal): More allowable operand combinations. Use ldfp8 when
4627 splitting unnecessary. Remove predicable attribute. Adjust
4628 itanium_class attribute.
4629 (smuldi3_highpart): Remove outdated comment.
4630 (mulditi3, umulditi3, rotlti3): New expanders.
4631 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4632 (absti2): Disabled new insn for future reference.
4633 Respective new splitters.
4634 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4635 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4636 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4638 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4640 PR rtl-optimization/23047
4641 * simplify-rtx.c (simplify_const_relational_operation): Respect
4642 flag_wrapv for comparisons with ABS.
4644 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4646 PR tree-optimization/22493
4647 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4648 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4650 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4652 * config/frv/frv.opt (moptimize-membar): New.
4654 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4656 * config/frv/frv.h: Remove machine_function definition.
4658 * config/frv/frv.c (struct frv_io): New.
4659 (struct machine_function): Moved from frv.h. Add has_membar_p.
4660 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4661 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4662 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4663 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4664 (frv_reorg): Call frv_optimize_membar when appropriate.
4665 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4666 (frv_expand_builtin): Adjust calls accordingly.
4667 (frv_io_address_cookie): New function.
4668 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4669 load or store rather than a special insn. Add ccnstant address and
4670 io-type operands to the membar.
4671 (frv_ifcvt_modify_tests): Unsign regno.
4672 (frv_ifcvt_modify_tests): Same.
4674 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4675 UNSPEC_OPTIONAL_MEMBAR constant.
4676 (builtin_read_<mode>): Delete.
4677 (builtin_write_<mode>): Delete.
4678 ("optional_membar_<mode>"): Add operand.
4680 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4681 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4682 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4683 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4684 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4685 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4686 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4687 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4688 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4690 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4692 * df.c (df_uses_record): Handle SCRATCH.
4694 2005-07-28 Steven Bosscher <stevenb@suse.de>
4697 * passes.c (rest_of_decl_compilation): If decl is a type and
4698 we have encountered errors, don't emit debug information.
4700 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4702 * params.def: Fixed comment.
4704 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4707 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4708 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4709 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4711 2005-07-27 Steven Bosscher <stevenb@suse.de>
4714 * varasm.c (assemble_start_function): Don't do anything that may
4715 require a CFG if the current function is a thunk.
4717 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4719 * doc/install.texi (Prerequisites): Mention that perl is needed
4720 to do export control in libstdc++ targetting Darwin.
4722 2005-07-27 Steven Bosscher <stevenb@suse.de>
4724 PR rtl-optimization/17808
4725 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4726 (sched_insns_conditions_mutex_p): Split out from...
4727 (add_dependence): ...here. But don't call it from here.
4728 (add_dependence_list): Check sched_insns_conditions_mutex_p
4729 before calling add_dependence.
4730 (add_dependence_list_and_free): Likewise.
4731 (fixup_sched_groups): Likewise.
4732 (sched_analyze_1): Likewise.
4733 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4734 (sched_analyze): Likewise.
4735 (sched_analyze_insn): Likewise.
4736 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4737 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4738 dependencies on all COND_EXEC insns to jumps ending basic blocks
4739 when doing intrablock scheduling.
4740 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4742 2005-07-27 Jeff Law <law@redhat.com>
4744 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4745 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4746 equivalency sets, correctly handle the case were vr0 has an
4747 equivalency set, but vr1 does not.
4749 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4751 PR tree-optimization/23073
4752 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4753 vect_print_dump_info before fprintf.
4755 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4757 PR tree-optimize/22348
4758 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4759 Fold the partial computation.
4761 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4763 PR tree-optimization/22325
4764 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4766 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4768 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4769 (force_var_cost): ... this function.
4770 (compute_phi_arg_on_exit): Export.
4772 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4774 PR tree-optimization/20773
4775 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4778 2005-07-27 Richard Guenther <rguenther@suse.de>
4780 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4781 Avoid pushing again if current struct contains only
4782 fields we decomposed.
4784 2005-07-27 Jan Hubicka <jh@suse.cz>
4786 PR tree-optimization/22574
4787 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4790 * tree-tailcall.c (decrease_profile): New function.
4791 (eliminate_tail_call): Use it.
4793 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4794 visibility flags correctly in whole program mode.
4796 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4798 PR rtl-optimization/22472
4799 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4801 2005-07-26 Steven Bosscher <stevenb@suse.de>
4803 PR tree-optimization/22504
4804 * tree-complex.c (expand_complex_addition): Use 'code' instead
4805 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4807 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4809 * config.gcc (cpu_type): Add frv case.
4810 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4811 (supported_defaults): Add fr550 case.
4813 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4816 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4817 whether a pointer of type T * may point to objects of type T *.
4819 2005-07-26 DJ Delorie <dj@redhat.com>
4821 * configure: Regenerate.
4823 2005-07-26 Dale Johannesen <dalej@apple.com>
4825 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4827 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4829 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4830 Clarify use of "build" in name.
4832 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4834 * doc/extend.texi (Raw read/write Functions): New section.
4835 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4836 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4837 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4838 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4839 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4840 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4841 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4842 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4843 * config/frv/frv.c: Add bdesc_loads global.
4844 Add bdesc_stores global.
4845 (frv_init_builtins): Add support for __builtin_{read/write}*.
4846 (frv_volatile_memref): New.
4847 (frv_expand_load_builtin): New.
4848 (frv_expand_store_builtin): New.
4849 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4850 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4851 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4852 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4853 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4854 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4855 (builtin_read_<mode>): New.
4856 (builtin_write_<mode>): New.
4857 (builtin_write64): New.
4858 (optional_membar_<mode>): New.
4860 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4862 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4863 (rather than units) against HOST_BITS_PER_WIDE_INT.
4865 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4867 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4868 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4869 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4870 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4873 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4874 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4875 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4877 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4879 2005-07-26 Richard Guenther <rguenther@suse.de>
4881 PR tree-optimization/22486
4882 * fold-const.c (fold_unary): Fold away useless component
4883 references of the form (T *)&T.x, if the address
4886 2005-07-25 James E Wilson <wilson@specifixinc.com>
4888 * dwarf2out.c (add_call_src_coords_attributes): New.
4889 (gen_inlined_subroutine_die): Call it.
4890 (maybe_emit_file, init_file_table): Add comments.
4891 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4893 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4894 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4895 * tree.h (BLOCK_SOURCE_LOCATION): New.
4896 (struct tree_block): New field locus.
4898 2005-07-26 Andreas Schwab <schwab@suse.de>
4900 PR rtl-optimization/23043
4901 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4902 when allocating a struct unoccr.
4904 2005-07-25 Richard Henderson <rth@redhat.com>
4907 * tree-complex.c (gate_no_optimization): True if errors.
4908 * Makefile.in (tree-complex.o): Update dependencies.
4910 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4912 * config/frv/predicates.md (integer_register_operand): Use
4915 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4918 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4920 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4922 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4924 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4925 types when flag_unsafe_math_optimizations is true.
4927 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4929 * gcc.c (option_map): Add --sysroot.
4930 (process_command): Handle --sysroot.
4931 (display_help): Document it.
4932 * doc/cppopts.tex (-isysroot): Document.
4933 * doc/invoke.texi (--sysroot): Document.
4934 * doc/install.texi (--with-build-sysroot): Document.
4936 * Makefile.in (inhibit_libc): New variable.
4937 (INHIBIT_LIBC_CFLAGS): Likewise.
4938 (LIBGCC2_CFLAGS): Include
4939 $(INHIBIT_LIBC_CFLAGS).
4940 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4941 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4942 ($(T)crtend.o): Likewise.
4943 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4944 ($(T)crtendS.o): Likewise.
4945 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4946 ($(T)crtendT.o): Likewise.
4947 (stmp-fixinc): Do not complain about missing headers if
4949 * configure.ac (inhibit_libc): Set it to true/false.
4950 (--with-build-sysroot): New option. Use it to set
4952 * configure: Regenerated.
4954 2005-07-25 Manfred Hollstein <mh@suse.com>
4956 * calls.c (store_one_arg): Fix unsigned comparison warning.
4958 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4961 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4962 (ggc_print_statistics): Initialize variable before use.
4964 2005-07-25 Richard Guenther <rguenther@suse.de>
4966 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4967 calling with a PHI_NODE argument.
4969 * tree-flow-inline.h (overlap_subvar): Protect against
4972 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4974 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4975 * configure: Regenerate.
4977 2005-07-25 Ira Rosen <irar@il.ibm.com>
4979 * expr.c (highest_pow2_factor): Make extern.
4980 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4981 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4982 record_array_differ_p, array_ptr_differ_p): Likewise.
4983 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4984 additional cases. Call the above functions.
4985 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4986 base_object_differ_p when there are two base objects. Otherwise, compare
4987 base address and offset. Call may_alias_p.
4988 (dump_data_reference): Use a correct field name.
4989 (analyze_array): Make static. Initialize new data-ref fields.
4990 (analyze_indirect_ref): New function.
4991 (init_data_ref): Initialize new data-ref fields.
4992 (strip_conversion): Moved from tree-vect-analyze.c.
4993 (analyze_offset_expr, get_ptr_offset, address_analysis,
4994 object_analysis): Likewise.
4995 (analyze_offset): New function.
4996 (create_data_ref): Likewise.
4997 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4998 dimensions for ARRAY_REFs only.
4999 (build_classic_dist_vector): Make static.
5000 (access_functions_are_affine_or_constant_p): Call macro to get the
5001 address of access functions.
5002 (compute_all_dependences): Add new parameter
5003 compute_self_and_read_read_dependences. Compute self and read-read
5004 dependences if it is true.
5005 (find_data_references_in_loop): Call create_data_ref. Initialize new
5007 (compute_data_dependences_for_loop): Add new parameter
5008 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5009 compute nb_loops. Call compute_all_dependences,
5010 build_classic_dist_vector and build_classic_dir_vector with correct
5012 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5013 with correct parameters. Compare dimensions for ARRAY_REFs only.
5014 (free_data_refs): Call macro to free access functions.
5015 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5016 fields from stmt_vinfo.
5017 (struct base_object_info): New structure.
5018 (struct data_reference): Move fields to base_object_info. Add fields
5019 first_location and object_info for above structures. Move fields from
5020 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5021 aligned_to. Add macros to access the new fields.
5022 Update functions declarations.
5023 * tree-flow.h (is_aliased_with): Declare.
5024 * tree-loop-linear.c (linear_transform_loops): Call
5025 compute_data_dependences_for_loop with correct parameters.
5026 * tree-ssa-alias.c (is_aliased_with): New function.
5027 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5028 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5029 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5030 vect_base_addr_differ_p, compute_subscript_distance and
5031 build_classic_dist_vector. Add printings. Check absolute value of
5033 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5035 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5036 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5037 to bytes. Add printing.
5038 (vect_compute_data_refs_alignment): Go through loads and stores in one
5040 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5041 vect_analyze_data_ref_access): Likewise.
5042 (vect_analyze_pointer_ref_access): Remove.
5043 (vect_address_analysis, vect_object_analysis): Likewise.
5044 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5045 and analyze data-refs in the loop.
5046 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5047 fields of data-ref instead of stmt. Add init to the offset from the
5049 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5050 (vect_update_init_of_dr): Likewise.
5051 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5052 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5054 (new_loop_vec_info): Initialize new fields.
5055 (destroy_loop_vec_info): Free new fields.
5056 (vect_strip_conversion): Remove.
5057 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5058 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5059 datarefs. Add new field ddrs.
5060 Add macros for the new fields access.
5061 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5062 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5063 Remove their macros.
5064 * tree.h (highest_pow2_factor): Declare.
5066 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5068 * calls.c (store_one_arg): Check for sibling call MEM arguments
5069 from already clobbered incoming argument area.
5071 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5073 * c-common.c (check_missing_format_attribute): New.
5074 * c-common.h (check_missing_format_attribute): Likewise.
5075 * c-typeck.c (convert_for_assignment): Use it.
5077 2005-07-24 Andreas Schwab <schwab@suse.de>
5079 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5080 register use a word move. Correct operand of ext.w in 68000 code.
5082 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5084 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5085 variables as declarations, rather than definitions.
5087 2005-07-24 Ira Rosen <irar@il.ibm.com>
5089 PR tree-optimization/22526
5090 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5093 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5095 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5096 that C99 reserve for future use. Use it to define clog10,
5097 clog10f and clog10l.
5099 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5101 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5102 * configure.ac: Check for -Wmissing-format-attribute.
5104 * configure: Regenerate.
5106 2005-07-23 Richard Henderson <rth@redhat.com>
5108 PR tree-optimization/22623
5109 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5111 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5114 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5116 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5118 * Makefile.in (C_TREE_H): Update dependencies.
5119 * c-tree.h: Include toplev.h.
5120 * diagnostic.h (diagnostic_set_info): Add format attribute.
5121 * rtl-error.c (diagnostic_for_asm): Likewise.
5123 2005-07-23 Chao-ying Fu <fu@mips.com>
5125 * config/mips/mips-dsp.md: New file.
5126 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5127 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5129 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5130 MIPS_BUILTIN_BPOSGE32.
5131 (mips_expand_builtin_direct): Add one parameter to indicate that
5132 builtin functions need to return a value.
5133 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5135 (mips_regno_to_class): Add classes for 12 new DSP registers.
5136 (mips_subword): Change to check four HI registers.
5137 (mips_output_move): Output move to and from 6 new DSP accumulators.
5138 (override_options): Make sure -mdsp and -mips16 are not used together.
5139 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
5141 (mips_conditional_register_usage): Disable 6 new DSP accumulators
5143 (print_operand): Add 'q' for printing DSP accumulators.
5144 (mips_cannot_change_mode_class): Check ACC_REGS.
5145 (mips_secondary_reload_class): Check ACC_REGS.
5146 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5147 (mips_register_move_cost): Check ACC_REGS.
5148 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5149 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5150 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5151 (dsp_bdesc): New array.
5152 (bdesc_arrays): Add DSP builtin function table.
5153 (mips_prepare_builtin_arg): Check predicate again after
5155 (mips_expand_builtin): Add one more parameter to
5156 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5157 MIPS_BUILTIN_BPOSGE32.
5158 (mips_init_builtins): Initialize new function types.
5159 (mips_expand_builtin_direct): Check if builtin functions need to
5160 return a value and pass operands properly.
5161 (mips_expand_builtin_bposge): New function.
5162 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5163 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5164 (FIRST_PSEUDO_REGISTER): Increase to 188.
5165 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5166 Update for 12 new DSP registers.
5167 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5168 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5169 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5170 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5171 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5172 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5173 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5174 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5175 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5176 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5177 (REGISTER_NAMES): Add names for 12 new DSP registers.
5178 * config/mips/mips.md: Include mips-dsp.md.
5179 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5180 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5181 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5182 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5183 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5184 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5185 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5186 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5187 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5188 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5189 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5190 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5191 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5192 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5193 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5194 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5195 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5196 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5197 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5198 (UNSPEC_RDDSP): New constants.
5199 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5200 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5202 * config/mips/mips.opt (-mdsp): New option.
5203 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5204 (reg_imm10_operand): New predicates.
5205 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5206 * doc/invoke.texi (-mdsp): Document new option.
5208 2005-07-22 DJ Delorie <dj@redhat.com>
5210 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5212 * tree-inline.c (inlinable_function_p): Likewise.
5214 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5217 * toplev.c (check_global_declarations): Do not mark undefined
5218 variables as DECL_IGNORED_P.
5219 * varasm.c (first_global_object_name): GTY it.
5220 (weak_global_object_name): Likewise.
5221 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5222 a string to go into {weak,first}_global_object_name.
5224 2005-07-22 DJ Delorie <dj@redhat.com>
5226 * c-format.c (check_function_format): Change warning control
5227 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5229 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5231 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5232 &PTR->FLD a dereference of PTR.
5233 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5234 a potential dereference of PTR.
5236 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5238 PR rtl-optimization/20370
5239 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5240 call allocate_reg_info if necessary.
5242 PR rtl-optimization/21848
5243 * calls.c (emit_library_call_value_1): For const functions, add
5244 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5246 PR rtl-optimization/22445
5247 * cselib.c (target.h): Include.
5248 (rtx_equal_for_cselib_p): Allow commutative matches.
5249 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5250 Remove MODE parameter. Changed all callers.
5252 PR rtl-optimization/22258
5253 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5255 (try_combine): Use likely_spilled_retval_p.
5257 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5259 * config.gcc: Add crx-elf support.
5261 * doc/contrib.texi: Mention crx.
5262 * doc/extend.texi: Document crx extensions.
5263 * doc/install.texi: Document crx install.
5264 * doc/invoke.texi: Document crx options.
5265 * doc/md.texi: Document crx constraints.
5267 * config/crx/crx-protos.h: New file.
5268 * config/crx/crx.c: New file.
5269 * config/crx/crx.h: New file.
5270 * config/crx/crx.md: New file.
5271 * config/crx/crx.opt: New file.
5272 * config/crx/t-crx: New file.
5274 2005-07-22 Manfred Hollstein <mh@suse.com>
5276 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5278 (int_add_graph_edge): Likewise.
5279 (collapse_nodes): Likewise.
5280 (process_unification_queue): Likewise.
5282 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5283 Laurent GUERBY <laurent@guerby.net>
5285 PR tree-optimization/22336
5286 * function.c (record_block_change): Check for
5287 cfun->ib_boundaries_block.
5289 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5291 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5292 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5294 2005-07-21 DJ Delorie <dj@redhat.com>
5296 * toplev.c (warn_deprecated_use): Add warning control to warning
5298 * c-typeck.c (parser_build_binary_op): Likewise.
5299 (c_finish_if_stmt): Likewise.
5300 * c-common.c (check_function_sentinel): Likewise.
5301 (check_nonnull_arg): Likewise.
5303 2005-07-21 Richard Henderson <rth@redhat.com>
5306 * tree-complex.c (complex_ssa_name_components): New.
5307 (cvc_lookup): Allow entry not found.
5308 (create_components): Remove.
5309 (create_one_component_var, get_component_var): New.
5310 (get_component_ssa_name, set_component_ssa_name): New.
5311 (extract_component): Use get_component_ssa_name.
5312 (update_complex_components): Use set_component_ssa_name.
5313 (update_complex_components_on_edge): Likewise.
5314 (update_phi_components): Create new PHI nodes directly, instead
5315 of adding insns to edges.
5316 (tree_lower_complex): Allocate and free complex_variable_components
5317 and complex_ssa_name_components here.
5319 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5321 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5322 revert to returning false.
5324 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5327 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5329 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5332 * config/i386/i386.md (cmpxf): Change operand constraints
5333 to "nonmemory_operand".
5335 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5337 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5339 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5342 * fold-const.c (fold_build1): Add checksum for the operands.
5343 (fold_build2): Likewise.
5344 (fold_build3): Likewise.
5346 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5349 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5351 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5353 * common.opt (-fforward-propagate): Committed by mistake,
5356 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5358 * reg-stack.c: Fix comment typo(s).
5359 * tree-ssa-operands.c: Likewise.
5360 * tree-vectorizer: Likewise.
5362 2005-07-21 Nick Clifton <nickc@redhat.com>
5364 * config/sh/symbian.c: Replace C++ style line comments with C
5365 style line comments.
5366 (symbian_add_attribute): Do not use a ? operator on the LHS of
5368 (sh_symbian_handle_dll_attribute): Change the type of the
5369 method vector to "VEC(tree,gc)*" and use vector accessor
5370 macros to walk over the elements.
5371 (symbian_export_vtable_and_rtti_p): Likewise.
5372 (symbian_class_needs_attribute_p): Likewise.
5374 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5377 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5378 initialize targetm.resolve_overloaded_builtin here.
5379 (altivec_expand_overloaded_builtin): Make it non-static.
5380 * config/rs6000/rs6000-protos.h
5381 (altivec_expand_overloaded_builtin): New prototype.
5382 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5383 targetm.resolve_overloaded_builtin here.
5384 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5386 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5387 Zdenek Dvorak <dvorakz@suse.cz>
5389 PR tree-optimization/19210
5390 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5392 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5393 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5394 rely on unproven assumptions.
5395 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5396 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5397 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5398 to number_of_iterations_exit.
5399 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5400 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5401 * tree-ssa-loop-niter.c (find_loop_niter,
5402 estimate_numbers_of_iterations_loop): Likewise.
5403 (number_of_iterations_exit): Honor the new options.
5404 * doc/invoke.texi (Wunsafe-loop-optimizations,
5405 funsafe-loop-optimizations): Document them.
5407 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5409 PR rtl-optimization/22167
5410 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5412 2005-07-20 Adam Nemet <anemet@lnxw.com>
5414 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5415 __do_global_dtors_aux longcall.
5417 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5419 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5420 (old_special_pred_table): Don't reference
5421 SPECIAL_MODE_PREDICATES.
5422 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5423 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5424 * config/sh/predicates.h: Don't mention
5425 SPECIAL_MODE_PREDICATES.
5426 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5429 2005-07-20 DJ Delorie <dj@redhat.com>
5431 * config.gcc: Add m32c-elf support.
5433 * doc/contrib.texi: Mention m32c.
5434 * doc/extend.texi: Document m32c extensions.
5435 * doc/install.texi: Mention m32c.
5436 * doc/invoke.texi: Document m32c options.
5437 * doc/md.texi: Document m32c constraints.
5439 * config/m32c/addsub.md: New file.
5440 * config/m32c/bitops.md: New file.
5441 * config/m32c/cond.md: New file.
5442 * config/m32c/jump.md: New file.
5443 * config/m32c/m32c-lib1.S: New file.
5444 * config/m32c/m32c-lib2.c: New file.
5445 * config/m32c/m32c-modes.def: New file.
5446 * config/m32c/m32c-pragma.c: New file.
5447 * config/m32c/m32c-protos.h: New file.
5448 * config/m32c/m32c.abi: New file.
5449 * config/m32c/m32c.c: New file.
5450 * config/m32c/m32c.h: New file.
5451 * config/m32c/m32c.md: New file.
5452 * config/m32c/m32c.opt: New file.
5453 * config/m32c/minmax.md: New file.
5454 * config/m32c/mov.md: New file.
5455 * config/m32c/muldiv.md: New file.
5456 * config/m32c/predicates.md: New file.
5457 * config/m32c/prologue.md: New file.
5458 * config/m32c/shift.md: New file.
5459 * config/m32c/t-m32c: New file.
5461 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5463 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5464 (stack_protect_set, stack_protect_test): New expanders.
5465 (stack_protect_set_si, stack_protect_set_si_media,
5466 stack_protect_set_di_media, stack_protect_test_si,
5467 stack_protect_test_si_media, stack_protect_test_di_media):
5470 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5472 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5474 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5476 * tree.h (tree_expr_nonzero_p): Export.
5477 * fold-const.c (tree_expr_nonzero_p): Likewise.
5478 Return true for CALL_EXPRs that are alloca calls.
5479 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5481 * tree-flow.h (expr_computes_nonzero): Remove.
5482 * tree-vrp.c (expr_computes_nonzero): Remove.
5483 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5484 (extract_range_from_unary_expr): Likewise.
5485 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5486 tree_expr_nonzero_p.
5488 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5490 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5491 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5492 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5493 All callers changed.
5494 (frame_related_constant_load): New arg "related" which controls
5495 setting of RTX_FRAME_RELATED_P. All callers changed.
5496 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5497 (bfin_expand_prologue): Add stack limit checking.
5498 * config/bfin/bfin.md (trapifcc): New pattern.
5500 * config/bfin/bfin.c: Include "langhooks.h".
5501 (def_builtin): Go through lang_hooks to call builtin_function.
5503 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5504 * config/bfin/predicates.md (symbol_ref_operand): New.
5505 (call_insn_operand): Delete. All callers changed to use
5506 register_no_elim_operand.
5507 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5509 (function_arg): Use it to generate the call's operand 2.
5510 (bfin_longcall_p): New function.
5511 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5512 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5513 determine if the address needs to be in a REG.
5514 (bfin_handle_longcall_attribute): New function.
5515 (bfin_attribute_table): Add "longcall" and "shortcall".
5516 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5517 (CUMULATIVE_ARGS): New member call_cookie.
5518 (PREDICATE_CODES): Add symbol_ref_operand.
5519 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5520 extra USE to the pattern.
5521 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5522 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5523 sibcall_value_insn; now the new patterns handle direct calls and the
5524 old ones indirect calls.
5525 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5527 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5529 * doc/trouble.texi: Update section on handling of empty loops.
5531 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5533 * config.gcc: Remove support for sparc-*-openbsd*,
5534 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5536 * config.host: Remove support for i860-*-sysv4* as a host.
5537 * config/i860/*, config/ip2k/*, config/ns32k/*,
5538 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5539 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5540 mention obsolete ports.
5542 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5544 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5546 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5547 of frame_pointer_rtx.
5548 (sh_expand_epilogue): Likewise.
5549 (sh_set_return_address): Likewise.
5550 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5551 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5552 offsets from FRAME_POINTER_REGNUM.
5553 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5554 (sh_register_names): Add initializer for sfp.
5555 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5556 (VALID_REGISTER_P): Likewise.
5557 (FIRST_PSEUDO_REGISTER): Update.
5558 (DWARF_FRAME_REGISTERS): Define.
5559 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5560 (HARD_FRAME_POINTER_REGNUM): Define.
5561 (FRAME_POINTER_REGNUM): Redefine.
5562 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5563 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5564 from FRAME_POINTER_REGNUM.
5565 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5566 FRAME_POINTER_REGNUM.
5567 (REG_CLASS_CONTENTS): Add sfp.
5568 (REG_ALLOC_ORDER): Likewise.
5569 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5570 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5571 of frame_pointer_rtx.
5572 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5574 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5576 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5577 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5578 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5580 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5583 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5585 Make CONSTRUCTOR use VEC to store initializers.
5586 * c-common.c (complete_array_type): Update to cope with VEC in
5588 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5589 (pp_c_constructor_elts): New function.
5590 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5591 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5592 struct constructor_stack, struct initializer_stack,
5593 constructor_elements, push_init_level, pop_init_level,
5594 add_pending_init, find_init_member, output_init_element): Update to
5595 cope with VEC in CONSTRUCTOR_ELTS.
5596 * coverage.c (build_fn_info_value, build_ctr_info_value,
5597 build_gcov_info): Likewise.
5598 * expr.c (categorize_ctor_elements_1, store_constructor,
5599 expand_expr_real_1): Likewise.
5600 * fold-const.c (fold_ternary): Likewise.
5601 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5602 gimplify_init_constructor, gimplify_expr): Likewise.
5603 * tree-dump.c (dequeue_and_dump): Likewise.
5604 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5606 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5608 * tree-sra.c (generate_element_init_1): Likewise.
5609 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5610 * tree-ssa-operands.c (get_expr_operands): Likewise.
5611 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5612 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5613 (get_initial_def_for_reduction): Likewise.
5614 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5615 value handle in annotations.
5616 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5617 tree_node_structure): Add support for constr_kind.
5618 (build_vector_from_ctor, build_constructor_single,
5619 build_constructor_from_list): New functions.
5620 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5621 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5622 Update to cope with VEC in CONSTRUCTOR_ELTS.
5623 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5624 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5625 CONSTRUCTOR_APPEND_ELT): New macros.
5626 (struct constructor_elt, struct tree_constructor): New data types.
5627 (union tree_node): Add tree_constructor field.
5628 * treestruct.def: Define TS_CONSTRUCTOR.
5629 * varasm.c (const_hash_1, compare_constant, copy_constant,
5630 compute_reloc_for_constant, output_addressed_constants,
5631 initializer_constant_valid_p, output_constant,
5632 array_size_for_constructor, output_constructor): Update to cope with
5633 VEC in CONSTRUCTOR_ELTS.
5634 * vec.h (VEC_empty, VEC_copy): New macros.
5636 2005-07-19 Devang Patel <dpatel@apple.com>
5638 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5640 2005-07-19 Richard Henderson <rth@redhat.com>
5643 * gimplify.c (gimplify_expr): Use main variant type for the temp
5644 destination for a discarded volatile read.
5645 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5646 casts between non-void types that change volatility.
5648 2005-07-15 DJ Delorie <dj@redhat.com>
5650 * toplev.h: Add comment about the first parameter for warning().
5651 * errors.h: Likewise.
5653 * c.opt (Wpragmas): New.
5654 * doc/invoke.texi: Document it.
5656 * function.c (do_warn_unused_parameter): Add warning control to
5658 * c-decl.c (warn_if_shadowing): Likewise.
5659 * c-lex.c (cb_def_pragma): Likewise.
5660 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5661 (pop_alignment): Likewise.
5662 (handle_pragma_pack): Likewise.
5663 (apply_pragma_weak): Likewise.
5664 (handle_pragma_weak): Likewise.
5665 (handle_pragma_redefine_extname): Likewise.
5666 (add_to_renaming_pragma_list): Likewise.
5667 (handle_pragma_extern_prefix): Likewise.
5668 (maybe_apply_renaming_pragma): Likewise.
5669 (handle_pragma_visibility): Likewise.
5671 * config/c4x/c4x-c.c (BAD): Likewise.
5672 (c4x_parse_pragma): Likewise.
5673 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5674 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5675 (rs6000_pragma_longcall): Likewise.
5676 * config/v850/v850-c.c (pop_data_area): Likewise.
5677 (ghs_pragma_section): Likewise.
5678 (ghs_pragma_section): Likewise.
5679 (ghs_pragma_interrupt): Likewise.
5680 (ghs_pragma_starttda): Likewise.
5681 (ghs_pragma_startsda): Likewise.
5682 (ghs_pragma_startzda): Likewise.
5683 (ghs_pragma_endtda): Likewise.
5684 (ghs_pragma_endsda): Likewise.
5685 (ghs_pragma_endzda): Likewise.
5687 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5688 Kenneth Zadeck <zadeck@naturalbridge.com>
5690 * Makefile.in: Removed tree-promote-statics.c
5691 * tree-promote-statics.c: Removed.
5692 * common.opt: Removed flag-promote-statics.
5694 * passes.c: Removed tree-promote-statics pass.
5695 * tree-pass.h: Ditto.
5696 * timevar.def: Removed TV_PROMOTE_STATICS.
5699 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5701 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5703 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5705 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5708 * c-common.c (check_function_arguments): Call
5709 'check_function_format' if either -Wformat or
5710 -Wmissing-format-attribute are specified.
5711 * c-format.c (check_function_format): Check -Wformat before
5712 calling 'check_format_info'.
5713 * c-opts.c (c_common_post_options): Don't warn for
5714 -Wmissing-format-attribute without -Wformat.
5715 * c-typeck.c (convert_for_assignment): Detect additional cases for
5716 -Wmissing-format-attribute.
5717 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5720 2005-07-19 Richard Guenther <rguenther@suse.de>
5722 * config/i386/i386.md (lrint<mode>2): Use temporary
5723 instead of clobbering non-existent memory.
5725 2005-07-19 Nick Clifton <nickc@redhat.com>
5727 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5728 statement to avoid displaying ASCII control characters.
5730 2005-07-19 Ben Elliston <bje@au.ibm.com>
5732 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5733 * cfganal.c (find_edge_index): Ditto.
5734 * combine.c (combine_instructions): Ditto.
5735 * ddg.c (create_scc): Ditto.
5736 (find_successors): Ditto.
5737 (find_predecessors): Ditto.
5738 (find_nodes_on_paths): Ditto.
5739 (longest_simple_path): Ditto.
5740 * flow.c (update_life_info): Ditto.
5741 (count_or_remove_death_notes): Ditto.
5742 (clear_log_links): Ditto.
5743 * modulo-sched.c (generate_reg_moves): Ditto.
5744 (find_max_asap): Ditto.
5745 (find_max_hv_min_mob): Ditto.
5746 (find_max_dv_min_mob): Ditto.
5747 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5748 * sched-rgn.c (extract_edgelst): Ditto.
5749 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5750 (dump_update_ssa): Ditto.
5751 (ssa_names_to_replace) Ditto.
5752 (switch_virtuals_to_full_rewrite): Ditto.
5753 (update_ssa): Ditto.
5754 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5756 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5758 Fix PR tree-optimization/22483
5760 * tree-complex.c (create_components): Use
5761 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5762 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5763 * tree-flow.h (safe_referenced_var_iterator): New structure.
5764 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5765 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5766 safe_referenced_var iterator.
5767 (add_type_alias): Ditto.
5769 2005-07-19 Steven Bosscher <stevenb@suse.de>
5771 * loop-init.c (rest_of_handle_loop2): Remove.
5772 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5773 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5774 (pass_rtl_loop_init, pass_rtl_loop_done,
5775 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5776 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5777 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5778 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5779 pass_tree_loop_done, and pass_tree_unswitch.
5780 (gate_loop): Rename to gate_tree_loop.
5781 * passes.c (init_optimization_passes): Update for renamed tree
5782 loop passes. Add the new loop2 passes as subpasses of loop2.
5783 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5784 Update for the renamed tree loop passes.
5786 2005-07-18 Ian Lance Taylor <ian@airs.com>
5789 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5790 blocks when optimizing.
5792 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5794 * common.opt (frename-registers): Initialize to 2.
5796 (fgcse-after-reload): Ditto.
5797 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5798 (process_options): Only change flag_web, flag_rename_registers,
5799 and flag_rerun_cse_after_loop if not explicitly set by user.
5801 2005-07-18 Jan Beulich <jbeulich@novell.com>
5803 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5804 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5805 in 64-bit mode the same as DImode in 32-bit mode.
5806 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5807 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5808 mode. Add new mode parameter.
5809 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5810 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5811 x86_64_shift_adj): New expanders.
5812 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5813 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5815 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5816 DImode shift splitters.
5817 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5818 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5821 2005-07-18 Jan Beulich <jbeulich@novell.com>
5823 * i386.md (movdi_extzv_1): New.
5824 (zero_extendhidi2): Combine alternatives and never force use of
5826 (zero_extendqidi2): Likewise. Don't restrict input selection.
5828 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5830 Fix PR tree-optimization/22531
5831 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5834 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5836 * tree-promote-statics.c (pass_promote_statics): Change dump file
5839 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5841 * tree-optimize.c (init_tree_optimization_passes): Add
5842 pass_eliminate_useless_stores pass.
5843 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5844 * tree-ssa-pre.c (is_copy_stmt): New function.
5845 (follow_copies_till_vuse): Ditto.
5846 (do_eustores): Ditto.
5847 (gate_eustores): Ditto.
5849 2005-07-16 Richard Henderson <rth@redhat.com>
5851 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5853 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5854 Kenneth Zadeck <zadeck@naturalbridge.com>
5856 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5857 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5858 ipa-type-escape.h, tree-promote-statics.c
5859 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5860 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5861 tree-promote-statics.c: new files.
5862 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5863 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5864 int nonlocal_set_p, mark_constant_function): Deleted.
5865 (rest_of_handle_cfg): Removed call to mark_constant_function.
5866 (nonoverlapping_component_refs_p): Added calls to support
5867 type based aliasing.
5868 * tree-ssa-alias.c (may_alias_p,
5869 compute_flow_insensitive_aliasing): Ditto.
5870 * calls.c (flags_from_decl_or_type): Removed reference to
5872 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5873 too many arguments. This is necessary for Spec 2000.
5874 * cgraph.h (const_function, pure_function): Removed.
5875 * common.opt: Added "fipa-pure-const", "fipa-reference",
5876 "fipa-type-escape", and "ftree-promote-static".
5878 * passes.c: Added ipa and tree-promote-statics passes.
5879 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5880 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5881 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5882 * tree-flow.h: Added exposed sra calls and addition of
5883 reference_vars_info field for FUNCTION_DECLS.
5884 * tree-pass.h: Added passes.
5885 * tree-sra.c: (sra_init_cache): New function.
5886 (sra_insert_before, sra_insert_after) Made public.
5887 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5889 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5890 aliasing. (may_alias_p): Added code to use type escape analysis to
5892 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5893 code to prune clobbers of static variables based on information
5894 produced in ipa-reference pass. Changed call clobbering so that
5895 statics are not marked as clobbered if the call does not clobber
5898 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5900 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5903 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5905 * doc/install.texi (*-*-solaris2*): Document recommended version
5906 of GNU binutils and mention GNU linker problem on Solaris 10.
5908 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5911 * c-decl.c (c_build_bitfield_integer_type): New function.
5912 (finish_struct): Call it.
5913 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5915 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5917 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5920 2005-07-16 Jan Hubicka <jh@suse.cz>
5922 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5923 (scale_bbs_frequencies_int): Watch roundoff errors.
5924 * predict.c (return_prediction): Initialize return_stmt.
5926 2005-07-16 Jan Hubicka <jh@suse.cz>
5928 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5929 after RTL profiling.
5931 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5934 * fold-const.c (build_range_check): Convert high/low to etype
5935 if we are only comparing against exp.
5937 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5939 Fix PR tree-optimization/22376
5940 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5942 (need_to_solve): New function.
5943 (compute_points_to_sets): Use it.
5945 2005-07-15 Jan Hubicka <jh@suse.cz>
5947 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5948 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5950 2005-07-15 Richard Guenther <rguenther@suse.de>
5952 * c-common.c (handle_flatten_attribute): New function.
5953 Add flatten function attribute.
5954 * doc/extend.texi: Document flatten function attribute.
5955 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5956 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5958 (cgraph_decide_inlining): Handle functions with flatten
5961 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5963 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5964 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5965 UNSPEC_XCHG, UNSPEC_AND): New.
5966 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5967 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5968 * config/rs6000/sync.md (FETCHOP): New code macro.
5969 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5971 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5972 (sync_compare_and_swap<mode>): Same.
5973 (sync_lock_test_and_set<mode>): Same.
5974 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5975 for QImode and HImode, and not PPC405.
5976 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5977 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5978 (sync_<fetchop>{si,di}_internal): New.
5979 (sync_nand{si,di}_internal): New.
5980 (sync_old_<fetchop>{si,di}_internal): New.
5981 (sync_old_nand{si,di}_internal): New
5982 (sync_new_<fetchop>{si,di}_internal): New.
5983 (sync_new_nand{si,di}_internal): New.
5984 (atomic_and{si,di}): New.
5985 (sync_new_nand{si,di}_internal): New.
5986 (atomic_and{si,di}): New.
5987 (sync_add<mode>_internal): Delete.
5988 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5989 (sync_sub<mode>_internal): Delte.
5990 (sync_subshort_internal): New.
5991 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5992 (sync_anddi_internal): Delete.
5993 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5994 (sync_booldi_internal): Delete.
5995 (sync_boolc<mode>_internal): Delete.
5996 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5997 (sync_boolc<mode>_internal2): Delete.
5998 (sync_boolcc<mode>_internal): Delete.
5999 (isync, lwsync): Use unspec instead of unspec_volatile.
6000 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6001 Revert UNSPEC_VOLATILE.
6002 (rs6000_split_atomic_op): New.
6003 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6005 2005-07-14 Eric Christopher <echristo@redhat.com>
6007 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6008 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6010 2005-07-14 Eric Christopher <echristo@redhat.com>
6012 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6014 2005-07-14 Steven Bosscher <stevenb@suse.de>
6016 PR tree-optimization/22230
6017 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6018 the computation of the four cross productions for "range op range".
6020 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6021 Ulrich Weigand <uweigand@de.ibm.com>
6024 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6027 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6029 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6031 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6033 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6035 2005-07-14 Richard Guenther <rguenther@suse.de>
6038 * config/i386/i386-protos.h (ix86_function_value): Change
6039 prototype to match new target hook.
6040 * config/i386/i386.c (ix86_value_regno): Change prototype
6041 to take extra type argument.
6042 (TARGET_FUNCTION_VALUE): Define.
6043 (ix86_function_ok_for_sibcall): Pass extra argument to
6044 ix86_value_regno, check return slot rtx for exact match.
6045 (ix86_function_value): Take extra parameter. Dispatch to
6046 ix86_value_regno with fndecl/fntype as provided.
6047 (ix86_value_regno): Handle extra type argument.
6048 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6050 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6051 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6052 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6053 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6054 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6056 2005-07-14 Richard Guenther <rguenther@suse.de>
6058 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6059 * calls.c (expand_call): Pass fntype to hard_function_value.
6060 (emit_library_call_value_1): Likewise.
6061 * explow.c: Include target.h.
6062 (hard_function_value): Take extra argument, the fntype.
6063 Use new target hook for function_value.
6064 * expr.h (hard_function_value): Change prototype.
6065 * function.c (aggregate_value_p): Pass 0 as fntype to
6066 hard_function_value.
6067 (assign_parms): Use new target hook for function_value.
6068 Pass 0 as fntype to hard_function_value.
6069 (expand_function_end): Likewise.
6070 * reg-stack.c: Include target.h.
6071 (stack_result): Use new target hook for function_value.
6072 * target-def.h: New target hook function_value.
6073 * target.h: Likewise.
6074 * targhooks.c (default_function_value): New function.
6075 * targhooks.h (default_function_value): Declare.
6077 2005-07-13 Ian Lance Taylor <ian@airs.com>
6079 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6081 2005-07-14 Jan Hubicka <jh@suse.cz>
6083 * tree-dfa.c (dump_variable): Use default_def function.
6084 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6085 * tree-ssa.c (verify_use): Likewise.
6086 * tree-ssanames.c (release_ssa_name): Likewise.
6087 * tree-tailcall.c (eliminate_tail_call): Likewise.
6088 (tree_optimize_tail_calls_1): Likewise.
6089 * tree-vrp.c (get_value_range): Likewise.
6091 2005-07-14 Ben Elliston <bje@au.ibm.com>
6093 * gcc.c (main): Compare language[0] with '*' when iterating over
6096 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6098 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6099 "s390_emit_compare". Add handling of CCZ1mode.
6100 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6101 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6103 (s390_branch_condition_mask): Add CCZ1mode handling.
6104 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6105 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6106 Use CCZ1mode instead of CCZmode.
6107 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6109 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6111 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6113 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6115 2005-07-13 Eric Christopher <echristo@redhat.com>
6117 * config/mips/mips.c (mips_canonicalize_comparison): New.
6118 (mips_emit_int_relational): Use.
6120 2005-07-13 Eric Christopher <echristo@redhat.com>
6122 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6124 * config/s390/s390.md: Include tpf.md. Move tpf specific
6126 * config/s390/tpf.md: To here.
6127 * config/s390/s390.opt: Move tpf specific options...
6128 * config/s390/tpf.opt: to here. Add mmain option.
6129 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6130 * config/s390/tpf.h: Rewrite.
6132 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6134 * doc/tm.texi: Remove @xref{Cross-profiling}.
6136 2005-07-13 Jeff Law <law@redhat.com>
6138 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6139 expressions, test their _DECL operands for pointer equality rather
6140 than using operand_equal_p.
6142 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6144 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6145 (TARGET_POSIX_IO): This.
6146 * config/darwin.h: Likewise.
6147 * config/freebsd.h: Likewise.
6148 * config/linux.h: Likewise.
6149 * config/lynx.h: Likewise.
6150 * config/netbsd.h: Likewise.
6151 * config/rs6000/linux64.h: Likewise.
6152 * config/rs6000/linux.h: Likewise.
6153 * config/s390/tpf.h: Likewise.
6154 * config/sh/embed-elf.h: Likewise.
6155 * config/sparc/linux64.h: Likewise.
6156 * config/sparc/linux.h: Likewise.
6157 * config/svr4.h: Likewise.
6158 * gcov-io.h: Likewise.
6160 * doc/tm.texi: Updated.
6162 * libgcov.c (create_file_directory): Defined only if
6163 TARGET_POSIX_IO is defined.
6164 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6167 2005-07-13 Jan Hubicka <jh@suse.cz>
6169 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6171 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6173 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6174 structure as argument.
6176 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6178 PR tree-optimization/21921
6179 * tree-iterator.c (tsi_link_before): Support the case when
6180 tsi_end_p (tsi) == true.
6182 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6184 PR tree-optimization/22442
6185 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6188 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6190 PR rtl-optimization/20376
6191 * toplev.c (process_options): Enable -fweb and -frename-registers when
6193 * doc/invoke.texi: Update the information about when -fweb and
6194 -frename-registers are enabled.
6196 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6199 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6200 if *rhs_p is not a SSA_NAME.
6202 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6204 Fix PR tree-optimization/22422
6205 * tree-ssa-structalias.c (struct variable_info): Add flag for
6207 (get_varinfo): Now a static function.
6208 (new_varinfo): init has_union and is_special_var to false.
6209 (solution_set_add): Check has_union.
6210 (do_da_constraint): Move temporary variable so it gets reset
6212 Also check for special variable.
6213 (do_ds_constraint): Ditto.
6214 (do_sd_constraint): Ditto.
6215 (do_structure_copy): Check for special variable.
6216 (find_func_aliases): Ditto.
6217 (init_base_vars): Set special vars properly.
6219 2005-07-13 Jan Hubicka <jh@suse.cz>
6221 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6224 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6225 (get_expr_operands): Fix thinko wrt flags and subvars.
6227 PR tree-optimize/22379
6228 * tree-inline.c (expand_call_inline): Do not output sorry in early
6231 2005-07-12 Dale Johannesen <dalej@apple.com>
6233 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6235 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6238 * host-linux.h: Include limits.h.
6240 2005-07-12 Dale Johannesen <dalej@apple.com>
6242 * expr.c (compress_float_constant): Add cost check.
6243 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6245 2005-07-12 Dale Johannesen <dalej@apple.com>
6247 * gcc.target/i386/compress-float-sse.c: New.
6248 * gcc.target/i386/compress-float-sse-pic.c: New.
6249 * gcc.target/i386/compress-float-387.c: New.
6250 * gcc.target/i386/compress-float-387-pic.c: New.
6251 * gcc.dg/compress-float-ppc.c: New.
6252 * gcc.dg/compress-float-ppc-pic.c: New.
6254 2005-07-12 Eric Christopher <echristo@redhat.com>
6256 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6258 * config/s390/s390.md: Include tpf.md. Move tpf specific
6260 * config/s390/tpf.md: To here.
6261 * config/s390/s390.opt: Move tpf specific options...
6262 * config/s390/tpf.opt: to here. Add mmain option.
6263 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6264 * config/s390/tpf.h: Rewrite.
6266 2005-07-12 Eric Christopher <echristo@redhat.com>
6268 * gcc.c (struct infile): Update comment for language.
6269 (main): Rewrite input file resetting code.
6271 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6274 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6275 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6276 (lookup_avail_expr): Use constant_boolean_node instead
6277 of boolean_false_node/boolean_true_node.
6279 2005-07-12 Ben Elliston <bje@au.ibm.com>
6281 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6282 and use it when printing num_edges.
6284 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6286 * doc/extend.texi (Blackfin Built-in Functions): New section.
6287 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6290 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6292 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6293 s/cmpstrsi/cmpstrnsi
6294 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6296 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6297 (init_optabs): Initialize cmpstrn_optab.
6298 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6299 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6300 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6301 * config/i386/i386.md: s/cmpstr/cmpstrn
6302 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6303 * doc/md.texi: Update documentation.
6305 2005-07-11 Richard Henderson <rth@redhat.com>
6307 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6308 build_va_arg_indirect_ref.
6309 (alpha_gimplify_va_arg): Likewise.
6310 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6311 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6312 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6313 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6314 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6315 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6317 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6319 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6321 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6322 * passes.c (init_optimization_passes): Add pass_empty_loop.
6323 * tree-pass.h (pass_empty_loop): Declare.
6324 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6325 try_remove_empty_loop, remove_empty_loops): New functions.
6326 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6327 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6329 2005-07-12 Peter Barada <peter@the-baradas.com>
6333 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6334 in address registers.
6335 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6336 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6337 alternative of addsi3_5200.
6339 2005-07-11 Ian Lance Taylor <ian@airs.com>
6341 * config/mips/mips.md (ffs<mode>2): Remove.
6343 2005-07-11 Ian Lance Taylor <ian@airs.com>
6345 * doc/tree-ssa.texi (Cleanups): Improve description of
6347 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6349 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6351 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6352 * tree.h (DECL_ARGUMENT_FLD): New macro.
6354 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6356 Fix PR tree-optimization/22404
6358 * tree-ssa-structalias.c (create_variable_info_for): Use
6361 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6363 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6364 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6365 for second comparison operand.
6366 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6368 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6369 (define_insn_reservation "alu"): Likewise.
6370 (csync, ssync): Now of type sync.
6371 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6372 -mcsync-anomaly -mspecld-anomaly.
6373 * config/bfin/bfin.opt (mcsync): Remove.
6374 (mcsync-anomaly, mspecld-anomaly): Add.
6375 * config/bfin/bfin.c: Include "insn-codes.h".
6376 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6377 (TARGET_DEFAULT_TARGET_FLAGS): New.
6378 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6380 2005-07-11 Steven Bosscher <stevenb@suse.de>
6382 * basic-block.h: Give the BB flags enum a name, bb_flags.
6383 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6384 * cfgcleanup.c (enum bb_flags): Remove here.
6385 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6386 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6387 (update_forwarder_flag): Likewise.
6388 (thread_jump): Likewise.
6389 (try_forward_edges): Likewise.
6390 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6391 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6392 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6394 2005-07-11 Richard Guenther <rguenther@suse.de>
6396 * config/i386/i386.opt: New target option -msseregparm.
6397 * config/i386/i386.c (override_options): Error out for
6398 -msseregparm but no SSE support.
6399 (ix86_function_sseregparm): Check for global sseregparm.
6400 * doc/invoke.texi: Document -msseregparm.
6402 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6404 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6405 (m32rle-*-linux*): Ditto.
6407 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6409 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6410 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6413 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6417 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6418 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6420 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6422 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6423 (varmap): Heapify varmap.
6424 (constraints): Heapify constraints.
6425 (struct constraint_graph): Heapify succs and preds.
6426 (constraint_vec_find): Update for heapification.
6427 (constraint_set_union): Ditto.
6428 (insert_into_complex): Ditto.
6429 (constraint_edge_vec_find): Ditto.
6430 (erase_graph_self_edge): Ditto.
6431 (add_graph_edge): Ditto.
6432 (get_graph_weights): Ditto.
6433 (merge_graph_nodes): Ditto.
6434 (build_constraint_graph): Ditto.
6435 (topo_visit): Ditto.
6436 (solve_graph): Ditto.
6437 (create_variable_info_for): Ditto.
6438 (init_base_vars): Ditto.
6439 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6440 (condese_varmap_nodes): Free complex vector.
6441 (clear_edges_for_node): Clear succs and preds vector.
6443 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6445 * tree-ssa-structalias.c (update_alias_info): Change counting of
6446 references to not include vdefs.
6448 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6450 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6453 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6455 * pa.c (pa_commutative_p): Make PLUS commutative when
6456 TARGET_NO_SPACE_REGS is true.
6458 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6460 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6461 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6462 * tree-dfa.c (dump_subvars_for): New.
6463 (debug_subvars_for): New.
6464 (dump_variable): Show subvariables if VAR has them.
6465 * tree-flow-inline.h (get_subvar_at): New.
6466 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6467 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6469 (struct subvar): Change fields offset and size to unsigned
6471 (dump_subvars_for): Declare.
6472 (debug_subvars_for): Declare.
6473 (get_subvar_at): Declare.
6474 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6475 to unsigned HOST_WIDE_INT *.
6476 (overlap_subvar): Likewise.
6477 * tree-gimple.c (is_gimple_reg): Always return false for
6478 SFTs and memory tags.
6479 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6481 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6482 (compute_may_aliases): Call compute_points_to_sets.
6483 (collect_points_to_info_for): Remove.
6484 (compute_points_to_and_addr_escape): Remove.
6485 (delete_alias_info): Call delete_points_to_sets.
6486 (compute_flow_sensitive_aliasing): If the call to
6487 find_what_p_points_to returns false, call set_pt_anything.
6488 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6489 (set_pt_anything): Clear pi->pt_vars.
6490 (set_pt_malloc): Remove.
6491 (merge_pointed_to_info): Remove.
6492 (add_pointed_to_expr): Remove.
6493 (add_pointed_to_var): Remove.
6494 (collect_points_to_info_r): Remove.
6495 (is_escape_site): Make extern.
6497 (create_overlap_variables_for): Call it.
6498 * tree-ssa-copy.c (merge_alias_info): Never merge
6499 flow-sensitive alias information.
6500 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6501 offset and size to be unsigned HOST_WIDE_INT.
6502 (add_to_addressable_set): Rename from note_addressable.
6503 Set TREE_ADDRESSABLE as the variables are added to the set.
6505 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6506 operands into VUSEs when adding V_MAY_DEFs for members in an
6508 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6509 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6510 (struct variable_info): Add bitfield is_heap_var.
6511 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6512 (new_var_info): Initialize is_heap_var.
6513 (get_constraint_for): Add HEAP variables to the symbol table.
6514 Mark them with is_heap_var.
6515 (update_alias_info): New. Taken mostly from the old
6516 compute_points_to_and_addr_escape.
6517 (handle_ptr_arith): New.
6518 (find_func_aliases): Call update_alias_info.
6519 Call handle_ptr_info for tcc_binary expressions.
6520 Call mark_stmt_modified.
6521 (create_variable_info_for): If DECL has subvars, do not create
6522 variables for its subvars. Always add all the fields.
6523 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6524 SFTs, then add all the SFTs of the structure.
6525 If VI->DECL is an aggregate with subvariables, add the SFT at
6527 (find_what_p_points_to): If VI is an artificial variable,
6528 translate to bitfields in SSA_NAME_PTR_INFO.
6529 If the solution is empty, set pi->pt_vars to NULL
6530 (init_base_vars): Create ANYOFFSET.
6531 (compute_points_to_sets): Rename from create_alias_vars.
6533 (pass_build_pta): Remove.
6534 (delete_points_to_sets): Rename from delete_alias_vars.
6535 (pass_del_pta): Remove.
6536 * tree-ssa-structalias.h (struct alias_info): Move from
6538 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6539 NUM_REFERENCES_SET): Likewise.
6540 (compute_points_to_sets, delete_points_to_sets): Declare.
6542 2005-07-09 Richard Henderson <rth@redhat.com>
6544 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6545 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6546 alpha_split_lock_test_and_set_12): New functions.
6547 * config/alpha/alpha-protos.h: Update.
6548 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6549 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6550 * config/alpha/sync.md (I12MODE): New.
6551 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6552 (sync_<fetchop_name><I48MODE>): Likewise.
6553 (sync_nand<I48MODE>): Likewise.
6554 (sync_old_<fetchop_name><I48MODE>): Likewise.
6555 (sync_new_<fetchop_name><I48MODE>): Likewise.
6556 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6557 (sync_compare_and_swap<I48MODE>): Likewise.
6558 (sync_lock_test_and_set<I48MODE>): Likewise.
6559 (sync_compare_and_swap<I12MODE>): New.
6560 (sync_compare_and_swap<I12MODE>_1): New.
6561 (sync_lock_test_and_set<I12MODE>): New.
6562 (sync_lock_test_and_set<I12MODE>_1): New.
6564 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6568 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6570 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6572 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6573 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6575 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6578 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6580 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6582 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6583 memory_operand constraint.
6584 (store_conditional_<mode>): Same.
6585 (sync_compare_and_swap<mode>): Same.
6586 (sync_lock_test_and_set<mode>): Same.
6588 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6590 Rewrite PIC support to more closely model actual instructions.
6591 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6592 (cris_symbol): Remove prototypes for removed functions.
6593 (cris_pic_symbol_type_of, cris_valid_pic_const)
6594 (cris_expand_pic_call_address): Prototypes for new functions.
6595 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6597 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6599 <case ':'>: Add case for new punctuation character.
6600 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6601 emitting (extra) PIC modifier.
6602 <case UNSPEC>: Do not assert for PLT.
6603 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6604 (cris_expand_prologue, cris_expand_epilogue): Check
6605 for pic_offset_table_rtx usage instead of taking
6606 current_function_uses_pic_offset_table as the final word.
6607 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6608 Remove flag_pic difference.
6609 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6610 the moral equivalents of...
6611 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6613 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6614 (cris_handle_option): Mark ARG as unused.
6615 (cris_expand_pic_call_address): New worker function for "call",
6617 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6618 output PIC constructs here.
6619 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6620 as symbol-specific modifers, not whole or part of operands.
6621 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6622 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6623 constants and flag_pic.
6624 (CONSTANT_INDEX_P): Adjust for new functions.
6625 (enum cris_pic_symbol_type): New helper type.
6626 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6627 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6628 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6630 ("movsi"): Emit actual instructions for GOT and relative access.
6631 ("*movsi_got_load"): New pattern to set up the register holding
6633 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6634 Adjust FIXME for 'S'.
6635 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6636 Use "movs" for -fpic cases.
6637 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6638 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6639 ("call", "call_value"): Just call cris_expand_pic_call_address for
6641 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6642 Remove special pattern.
6643 ("*expanded_call_side", "*expanded_call_value_side"): New
6645 (gotplt-to-plt, gotplt-to-plt-side-call)
6646 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6648 * config/cris/cris/predicates.md
6649 ("cris_general_operand_or_gotless_symbol"): Remove unused
6651 ("cris_general_operand_or_symbol"): Adjust for new functions.
6653 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6655 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6657 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6659 * Makefile.in (TREE_H): Add treestruct.def.
6660 (c-decl.o): Add pointer-set.h
6661 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6662 visibility on regular DECL's.
6663 (merge_decls): Fix the copying of decl nodes of various types for
6664 the new structures. Don't update RTL, section name, weak status,
6665 etc, on DECL's without RTL.
6666 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6667 Don't check volatile on non-variable types.
6668 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6669 to check whether we have seen arguments.
6670 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6671 flag is checked before field (flag is common, field is not).
6672 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6673 TS_DECL_COMMON could have an origin.
6674 (add_location_or_const_value_attribute): Don't check section name
6675 on non-var/function decls.
6676 (dwarf2out_var_location): Reverse order of tests.
6677 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6678 with DECL_WRTL_CHECK.
6679 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6680 * fold-const.c (fold_binary): Don't check weakness on
6681 non-var/function decls.
6682 (tree_expr_nonzero_p): Ditto.
6683 (fold_checksum_tree): Use tree_decl_extra as sizeof
6685 * ggc-page.c (extra_order_size_table): Add sizes for
6686 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6688 * gimplify.c (gimplify_bind_expr): Only set
6689 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6690 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6692 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6693 * langhooks.h (init_ts). New langhook.
6694 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6695 * print-tree.c (print_node): Update to only print fields that
6696 exist in the structures the passed decl has.
6697 * toplev.c (wrapup_global_declarations): Don't reset
6698 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6699 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6700 * tree-inline.c (remap_decl): Ditto.
6701 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6702 * tree-pretty-print.c (print_declaration): Don't print
6703 DECL_REGISTER on things that don't contain it.
6704 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6705 non-var/function decls.
6706 * tree.c (tree_contains_struct): New structure.
6707 (init_priority_for_decl): New hashtable.
6708 (tree_int_map): New structure.
6709 (tree_int_map_eq): New function.
6710 (tree_int_map_marked_p): Ditto.
6711 (tree_int_map_hash): Ditto.
6712 (tree_map): Move to tree.h.
6713 (tree_map_eq): Externalize.
6714 (tree_map_hash): Ditto.
6715 (tree_map_marked_p): Ditto.
6716 (init_ttree): Set up tree_contains_struct and call langhook.
6717 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6718 (tree_code_size): Update for new structures.
6719 (tree_node_structure): Update for new structures.
6720 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6722 (copy_node_stat): Copy init priority.
6723 (build_decl_stat): Ditto for visibility.
6724 (ts_enum_names): New.
6725 (tree_contains_struct_check_failed): New function.
6726 (decl_init_priority_lookup): Ditto.
6727 (decl_init_priority_insert): Ditto.
6728 * treestruct.def: New file.
6729 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6730 (CONTAINS_STRUCT_CHECK): Ditto.
6731 (tree_contains_struct_check_failed): New prototype.
6732 (DECL_CHECK): Removed.
6733 (DECL_MINIMAL_CHECK): New.
6734 (DECL_COMMON_CHECK): Ditto.
6735 (DECL_WRTL_CHECK): Ditto.
6736 (DECL_NON_COMMON_CHECK): Ditto.
6737 (DECL_WITH_VIS_CHECK): Ditto.
6738 (VAR_OR_FUNCTION_DECL_P): Ditto
6739 (struct tree_decl_minimal): New structure.
6740 (struct tree_decl_common): Ditto.
6741 (struct tree_decl_with_rtl): Ditto.
6742 (struct tree_decl_with_vis): Ditto.
6743 (struct tree_decl_non_common): Ditto.
6744 (struct tree_field_decl): Ditto.
6745 (struct tree_parm_decl): Ditto.
6746 (struct tree_var_decl): Ditto.
6747 (struct tree_function_decl): Ditto.
6748 (struct tree_const_decl): Ditto.
6749 (struct tree_result_decl): Ditto.
6750 (union tree_node): Add new structures.
6751 * var-tracking.c (track_expr_p): Reverse order of tests.
6753 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6755 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6757 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6758 * system.h: Poison FINALIZE_PIC.
6759 * doc/tm.texi (FINALIZE_PIC): Remove.
6761 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6764 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6765 to the correct type if we have a MODIFY_EXPR.
6767 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6769 PR tree-optimization/22360
6770 * tree.c (upper_bound_in_type): Fix calculations for casting
6771 to a non-wider signed type and casting a signed value to a
6772 wider unsigned type.
6773 (lower_bound_in_type): Fix calculations for casting to a
6774 non-wider signed type.
6776 PR tree-optimization/20139
6777 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6779 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6780 fold_cond_expr_cond.
6781 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6782 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6784 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6787 * tree-complex.c (expand_complex_libcall): Produce
6788 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6790 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6792 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6793 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6794 b" assert and inserted fastpath code for this case.
6795 (bitmap_ior): Removed "a != b" assert.
6797 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6799 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6800 (ENDFILE_SPEC): Likewise.
6801 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6803 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6804 a large stack frame at epilogue.
6806 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6808 * final.c: Include sdbout.h when required.
6810 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6812 * config.gcc (*-*-darwin*): Only one target-specific header file
6814 (powerpc-*-darwin*): Add version-specific header files.
6815 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6816 * config.in: Regenerate.
6817 * configure: Regenerate.
6818 * gcc.c: Include xregex.h.
6819 (version_compare_spec_function): New.
6820 (spec_function): Add version-compare.
6821 (replace_outfile_spec_function): Reformat comment.
6822 (compare_version_strings): New.
6823 * config/darwin-c.c (version_as_macro): New.
6824 (builtin_define): New.
6825 (darwin_cpp_builtins): New.
6826 * config/darwin-protos.h (darwin_cpp_builtins): New.
6827 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6828 (LIB_SPEC): Make unconditional, update comment.
6829 (TARGET_C99_FUNCTIONS): Define.
6830 * config/darwin.opt: Sort.
6831 (mmacosx-version-min=): New.
6832 * config/darwin7.h: Delete.
6833 * config/darwin8.h: Delete.
6834 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6835 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6836 (TARGET_C99_FUNCTIONS): Define.
6837 * config/rs6000/darwin7.h: New.
6838 * config/rs6000/darwin8.h: New.
6839 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6840 (-mmacosx-version-min): Document.
6842 2005-07-07 Ian Lance Taylor <ian@airs.com>
6844 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6846 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6849 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6851 2005-07-07 Khem Raj <kraj@mvista.com>
6853 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6854 in bytes, not words.
6856 2005-07-07 Paul Brook <paul@codesourcery.com>
6858 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6859 DEFAULT_FUNCTION_ARG_PADDING to upward.
6861 2005-07-07 Richard Henderson <rth@redhat.com>
6863 * function.c (locate_and_pad_parm): Record parameter alignment in
6864 stack_alignment_needed.
6866 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6868 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6869 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6870 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6871 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6872 (define_attr "type"): Add isync, sync, load_l, store_c.
6873 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6874 Create scratch volatile MEM.
6875 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6877 (load_locked_<mode>): New.
6878 (store_conditional_<mode>): New.
6879 (sync_compare_and_swap<mode>): Replace with splitter.
6880 (sync_lock_test_and_set<mode>): Replace with splitter.
6881 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6883 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6884 is ics. Attribute isync.
6885 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6887 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6888 and UNSPECV_SYNC_OP.
6889 (emit_unlikely_jump): New.
6890 (emit_load_locked): New.
6891 (emit_store_conditional): New.
6892 (rs6000_split_compare_and_swap): New.
6893 (rs6000_split_lock_test_and_set): New.
6894 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6895 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6896 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6897 rs6000_split_lock_test_and_set): Declare.
6898 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6899 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6900 store_c, isync, sync.
6902 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6904 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6905 filenames to gtyp-gen.h.
6906 (s-typ-gen): Use it in place of for loops.
6908 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6910 * hooks.c (hook_bool_rtx_int_false): New function.
6911 * hooks.h (hook_bool_rtx_int_false): Declare.
6912 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6913 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6914 * target.h (struct gcc_target): Add commutative_p member.
6915 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6916 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6917 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6918 (pa_commutative_p): New function.
6919 * jump.c (target.h): Include.
6920 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6921 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6923 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6925 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6926 (s390_expand_setmem): New.
6927 * config/s390/s390.c: Likewise.
6928 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6930 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6931 general_operand. Call new function "s390_expand_setmem".
6932 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6933 ("setmem_long", "*setmem_long"): ... this.
6935 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6937 * config/s390/s390.c: (optimization_options): Enable
6938 TARGET_MVCLE at -Os.
6939 * doc/invoke.texi: Document changes in default behaviour.
6940 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6942 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6944 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6945 defined by back-end.
6947 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6949 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6950 all sets in the pattern.
6951 * config/rs6000/rs6000.md (stack_protect_testsi,
6952 stack_protect_testdi): Likewise.
6954 2005-07-06 Jeff Law <law@redhat.com>
6956 * tree-vrp.c (simplify_using_ranges): Kill.
6957 (vrp_finalize): Remove call to simplify_using_ranges.
6958 (simplify_stmt_using_ranges): New function extracted from
6959 simplify_using_ranges.
6960 (simplify_div_or_mod_using_ranges): Likewise.
6961 (simplify_abs_using_ranges): Likewise.
6962 (simplify_cond_using_ranges): New function.
6963 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6964 * tree-ssa-propagate.c (substitute_and_fold): Call
6965 simplify_stmt_using_ranges if we have range information.
6967 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6969 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6970 ia64_flag_schedule_isns2.
6972 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6973 reading/writing general registers.
6974 (ia64_function_arg): Revert 2005-06-18 change.
6976 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6978 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6979 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6981 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6983 * function.c (expand_function_end): Revert part of 2005-06-27
6984 patch. Do sjlj_emit_function_exit_after after return_label.
6986 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6988 * doc/install.texi (--disable-libssp): New.
6990 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6992 * doc/invoke.texi: Update -fforce-mem documentation.
6993 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6994 code for -fforce-mem.
6995 * expmed.c: (store_bit_field,store_fixed_bit_field,
6996 extract_bit_field): Ditto.
6997 * expr.c: (convert_move): Ditto.
6998 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6999 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7000 emit_conditional_add,expand_float,expand_fix): Ditto.
7001 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7002 (common_handle_option): Issue warning when -fforce-mem specified.
7004 2005-07-06 Paul Brook <paul@codesourcery.com>
7006 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7008 * configure: Regenerate.
7010 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7012 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7014 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7016 Fix PR tree-optimization/22319
7017 Fix PR tree-optimization/22140
7018 Fix PR tree-optimization/22310
7020 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7021 variable sized types.
7022 Use correct type for intermediate structure on *a = *b structure
7025 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7027 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7029 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7030 (machine_function): Move typedef to...
7031 * config/rs6000/rs6000.c (machine_function): ... here. Add
7032 varargs_save_offset field.
7033 (rs6000_stack_t): Remove varargs_size field.
7034 (setup_incoming_varargs): Allocate varargs save area using
7035 assign_stack_local, try to make it as small as possible.
7036 Save offset from virtual_stack_vars_rtx to the save area
7037 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7038 instead of magic 8 when fp word byte size is used.
7039 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7040 instead of -RS6000_VARARGS_SIZE.
7041 (rs6000_stack_info, debug_stack_info,
7042 rs6000_initial_elimination_offset): Remove all traces of
7044 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7045 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7046 RS6000_VARARGS_AREA.
7048 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7050 PR tree-optimization/21963
7051 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7052 constant_multiple_of in the same way get_computation_cost_at does.
7054 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7056 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7057 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7058 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7059 and return its previous value.
7060 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7061 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7063 (stack_protect_set, stack_protect_test): New expanders.
7064 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7065 stack_protect_testdi): New insns.
7066 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7067 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7069 2005-07-06 Jeff Law <law@redhat.com>
7071 * tree-ssa-dce.c (cfg_altered): New global.
7072 (tree_dce_init): Initialize cfg_altered.
7073 (remove_dead_stmt): If we remove an edge in the CFG, then set
7075 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7078 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7080 * Makefile.in (stamp-collect-ld): Use
7081 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7082 ./collect-ld if it already exists.
7083 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7084 Don't remove ./nm if it already exists.
7086 2005-07-05 Devang Patel <dpatel@apple.com>
7088 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7089 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7090 * tree-vectorizer.c (vect_loop_location): New.
7091 (vect_print_dump_info): Use vect_loop_location.
7092 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7093 (vectorize_loops): Set vect_loop_location.
7094 * tree-vect-analyze.c (vect_analyze_offset_expr,
7095 vect_determin_vectorization_factor, vect_analyze_operations,
7096 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7097 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7098 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7099 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7100 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7101 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7102 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7103 vect_analyze_loop): Adjust vect_print_dump_info API.
7104 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7105 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7106 vect_finish_stmt_generation, vectorizable_assignment,
7107 vectorizable_operation, vectorizable_store, vectorizable_load,
7108 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7109 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7110 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7111 vect_transform_loop): Same.
7112 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7113 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7116 2005-07-05 Randolph Chung <tausq@debian.org>
7118 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7119 * configure: Regenerate.
7120 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7121 (pa_tls_referenced_p): Declare.
7122 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7123 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7124 (legitimize_tls_address): New.
7125 (hppa_legitimize_address): Handle TLS addresses.
7126 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7127 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7128 (emit_move_sequence): Handle TLS addresses.
7129 (pa_encode_section_info): Call default handler to handle common
7131 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7132 (CONSTANT_ADDRESS_P): Reject TLS operands.
7133 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7134 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7135 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7136 (UNSPEC_TLSLE): Define new constants.
7137 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7138 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7139 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7140 (tie_symbolic_operand, tle_symbolic_operand): New
7142 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
7144 * aclocal.m4: Update macros for autoconf 2.59 style.
7145 * configure.ac: Likewise.
7147 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7149 * pa.c (function_value): Handle small aggregates on 32-bit targets.
7150 (function_arg): Pass small aggregates in general registers on 32-bit
7152 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7154 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7156 * Makefile.in (final.o): Fix dependencies.
7158 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7162 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7163 * langhooks.c (lhd_expr_to_decl): New.
7164 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7166 (LANG_HOOKS_INITIALIZER): Update.
7167 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7168 expr_to_decl langhook.
7169 * c-tree.h (c_expr_to_decl): Declare.
7170 * c-typeck.c (c_expr_to_decl): New.
7171 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7173 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7175 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7178 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7179 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7181 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7183 * Makefile.in: Adjust dependencies.
7184 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7185 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7186 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7187 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7188 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7189 rest_of_compilation.
7191 * bb-reorder.c (gate_duplicate_computed_gotos,
7192 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7193 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7194 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7195 pass_partition_blocks): New.
7196 * bt-load.c (gate_handle_branch_target_load_optimize,
7197 rest_of_handle_branch_target_load_optimize,
7198 pass_branch_target_load_optimize): New.
7199 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7201 * cfglayout.c (pass_insn_locators_initialize): New.
7202 * cfgrtl.c (pass_free_cfg): New.
7203 * combine.c (gate_handle_combine, rest_of_handle_combine,
7205 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7206 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7207 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7208 * except.c (pass_set_nothrow_function_flags,
7209 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7211 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7212 rest_of_handle_shorten_branches, pass_shorten_branches,
7213 rest_of_clean_state, pass_clean_state): New.
7214 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7215 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7216 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7218 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7219 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7220 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7221 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7223 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7224 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7225 pass_rtl_ifcvt, gate_handle_if_after_combine,
7226 rest_of_handle_if_after_combine, pass_if_after_combine,
7227 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7228 pass_if_after_reload): New.
7229 * integrate.c (pass_initial_value_sets): New.
7230 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7231 pass_purge_lineno_notes): New.
7232 * mode-switching.c (rest_of_handle_mode_switching,
7233 pass_mode_switching): New.
7234 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7235 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7237 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7238 pass_loop_optimize): New.
7239 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7241 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7243 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7244 pass_postreload_cse): New.
7245 * profile.c (gate_handle_profiling, pass_profiling,
7246 rest_of_handle_branch_prob, pass_branch_prob): New.
7247 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7248 pass_split_before_regstack, gate_handle_split_before_regstack,
7249 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7250 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7251 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7252 pass_stack_regs): New.
7253 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7254 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7255 pass_stack_adjustments): New.
7256 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7257 pass_regrename): New.
7258 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7259 pass_delay_slots, gate_handle_machine_reorg,
7260 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7261 * rtl.h (extern void purge_line_number_notes): New.
7262 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7263 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7265 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7267 * value-prof.c (gate_handle_value_profile_transformations,
7268 rest_of_handle_value_profile_transformations,
7269 pass_value_profile_transformations): New.
7270 * var-tracking.c (gate_handle_var_tracking,
7271 pass_variable_tracking): New.
7272 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7274 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7275 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7276 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7277 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7278 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7279 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7280 rest_of_handle_gcse2, rest_of_handle_regmove,
7281 rest_of_handle_tracer, rest_of_handle_if_conversion,
7282 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7283 rest_of_handle_web, rest_of_handle_branch_prob,
7284 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7285 rest_of_handle_jump_bypass, rest_of_handle_combine,
7286 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7287 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7288 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7289 rest_of_handle_mode_switching, rest_of_handle_jump,
7290 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7291 rest_of_handle_flow2, rest_of_handle_jump2,
7292 rest_of_handle_peephole2, rest_of_handle_postreload,
7293 rest_of_handle_shorten_branches, rest_of_clean_state,
7294 rest_of_compilation): Remove.
7296 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7297 * passes.c (dump_flags, in_gimple_form, all_passes,
7298 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7299 register_dump_files, next_pass_1, last_verified, execute_todo,
7300 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7301 from tree-optimize.c.
7302 (init_optimization_passes): Moved from tree-optimize.c,
7303 adding the RTL optimizations.
7304 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7305 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7306 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7307 register_dump_files, next_pass_1, last_verified, execute_todo,
7308 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7309 init_tree_optimization_passes, ipa_passes): Delete.
7310 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7312 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7313 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7315 (ipa_passes): Remove.
7316 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7317 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7318 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7319 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7320 (dump_info_p, dump_flag): Moved to tree-dump.h.
7322 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7324 * passes.c (finish_optimization_passes): Use dump_begin
7325 and dump_end, TDI_end.
7326 (gate_rest_of_compilation): New.
7327 (pass_rest_of_compilation): Use it.
7328 (gate_postreload, pass_postreload): New.
7329 * toplev.c (general_init): Rename init_tree_optimization_passes.
7330 * toplev.h (init_tree_optimization_passes): Rename to
7331 init_optimizations_passes.
7332 * tree-dump.c (dump_flag): Make static.
7333 (dump_files): Remove RTL dumps.
7334 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7335 pass_cleanup_cfg, pass_free_cfg_annotations,
7336 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7337 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7338 * tree-pretty-print.c: Include tree-pass.h.
7339 * cgraph.c: Include tree-dump.h.
7341 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7343 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7344 Only fall back to saying it points to readonly memory if
7347 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7349 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7350 * config/m32r/m32r.c (m32r_compute_frame_size,
7351 m32r_expand_prologue): Take current_function_profile into
7352 account whenever we reference
7353 current_function_uses_pic_offset_table.
7354 (m32r_finalize_pic): Remove.
7355 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7357 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7359 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7360 instead of $<. Don't remove ./as if it already exists.
7362 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7365 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7366 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7367 for complex modes when generating code for PA 1.0.
7368 (VALID_FP_MODE_P): New macro.
7369 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7370 sets for all general and floating point modes. Align wide floating
7371 point modes to even register boundaries to comply with architectural
7373 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7374 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7375 (VALID_FP_MODE_P): New macro.
7376 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7377 sets for all general and floating point modes. Align wide floating
7378 point modes to even register boundaries to comply with architectural
7381 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7383 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7386 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7388 * tree-ssa-structalias.c: Don't include expr.h.
7390 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7392 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7395 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7397 Fix PR tree-optimization/22279
7399 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7402 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7404 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7406 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7408 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7409 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7410 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7411 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7412 config/stormy16/stormy16.c, config/v850/v850.c,
7413 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7414 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7415 Avoid "." or "\n" at end of diagnostics and capital letters at
7416 start of diagnostics.
7417 * combine.c, cse.c: Don't translate dump file output.
7418 * toplev.c (print_version): Only translate output if going to
7421 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7423 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7424 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7427 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7429 * pa.c (fix_range): Fix typo in comment.
7431 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7433 * tree-vrp.c (extract_range_from_assert): Replace
7434 fold (build (...)) with fold_build2.
7436 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7438 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7439 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7440 (format_types_orig, handle_format_attribute): Add support for
7443 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7445 * varasm.c (assemble_variable): Fix format specifier thinko.
7447 2005-07-03 Ira Rosen <irar@il.ibm.com>
7449 PR tree-optimization/22029 (and 22135)
7450 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7451 a phi node before calling dump_vops.
7453 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7455 * tree-dump.h (dump_string_field): Declare.
7456 * tree-dump.c: Use it instead of dump_string.
7457 (dump_string_field): Make non-static.
7459 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7461 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7462 up the minimal CFG stuff always when optimize > 0. Call
7463 split_all_insns_noflow in PIC case if needed.
7465 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7466 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7469 * c-decl.c (c_write_global_declarations): Dump contents of
7471 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7472 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7473 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7474 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7477 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7479 * c-common.h (GCC_DIAG_STYLE): Define.
7480 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7481 version for format checking to 4.1.
7482 * c-format.c: Include toplev.h after c-common.h.
7483 (enum format_type): Add gcc_tdiag_format_type.
7484 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7485 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7486 (format_types_orig): Add gcc_tdiag.
7487 (init_dynamic_diag_info): Support gcc_tdiag formats.
7488 (handle_format_attribute): Likewise.
7489 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7490 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7491 version for format checking to 4.1.
7492 (warning0, warning, error, pedwarn, sorry): Use
7494 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7495 (finish_aliases_1): Do not use %qE.
7496 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7497 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7498 Correct format bugs.
7499 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7500 parameter to unsigned HOST_WIDE_INT.
7501 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7503 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7506 * expr.c (write_complex_part): Use adjust_address for MEM.
7507 (read_complex_part): Same.
7509 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7511 Fix PR tree-optimization/22280
7513 * tree-sra.c (generate_element_init): Remove useless loop.
7515 2005-07-02 Richard Henderson <rth@redhat.com>
7517 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7519 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7521 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7524 * fold-const.c (fold_binary): Handle the return value of
7525 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7526 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7528 2005-07-02 Jeff Law <law@redhat.com>
7530 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7531 a eliminate type conversion which feeds an equality comparison
7532 if the original type or either operand in the comparison is a
7535 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7537 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7538 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7540 * config/avr/avr.c: Do not use '`' as left quote.
7541 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7542 Remove "." from end of diagnostics. Make diagnostics start with
7545 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7546 Joseph S. Myers <joseph@codesourcery.com>
7548 * toplev.c (default_tree_printer): Handle setting location with
7550 * c-objc.common.c (c_tree_printer): Likewise.
7551 * c-format.c (gcc_diag_flag_specs): Add '+'.
7552 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7553 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7555 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7556 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7557 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7558 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7559 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7560 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7561 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7562 format arguments where %J is used without %D.
7564 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7566 * gcc.c (LINK_SSP_SPEC): Define.
7567 (link_ssp_spec): New variable.
7568 (LINK_COMMAND_SPEC): Add %(link_ssp).
7569 (static_specs): Add link_ssp_spec.
7570 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7571 * configure: Rebuilt.
7572 * config.in: Rebuilt.
7574 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7575 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7576 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7577 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7578 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7579 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7580 -0x7008(2) instead of reading __stack_chk_guard variable.
7581 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7583 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7584 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7585 if TARGET_THREAD_SSP_OFFSET is defined.
7586 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7587 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7590 2005-06-27 Richard Henderson <rth@redhat.com>
7591 * libgcc-std.ver (GCC_4.1.0): New.
7592 * libgcc.h (__stack_chk_guard): Declare.
7593 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7594 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7595 * mklibgcc.in (lib2funcs): Add them.
7597 2005-07-01 Richard Henderson <rth@redhat.com>
7599 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7600 void * before struct sigcontext *.
7601 (x86_fallback_frame_state): Likewise.
7603 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7605 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7607 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7610 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7611 we check for SSA_NAME for.
7613 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7615 Fix PR tree-optimization/22071
7617 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7619 (get_constraint_for_component_ref): Use it.
7621 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7624 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7625 print out the last new line.
7627 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7629 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7630 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7631 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7632 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7633 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7634 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7635 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7636 (enum reg_class): New member CC0_REGS.
7637 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7638 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7639 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7640 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7641 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7642 Adjust for register now described.
7644 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7647 * config/i386/i386.md (stack_protect_test_si,
7648 stack_protect_test_di): Add earlyclobber for scratch 3.
7649 * config/rs6000/rs6000.md (stack_protect_testsi,
7650 stack_protect_testdi): Add earlyclobber for scratch 3,
7651 remove earlyclobber from scratch 4.
7653 Older entries for 2005 can be found in ChangeLog-2005.