1 2006-10-18 Richard Henderson <rth@redhat.com>
4 * config/i386/i386.c (legitimate_constant_p): Check
5 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
7 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
8 (legitimate_pic_address_disp_p): Reorg CONST checking to make
9 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
11 (print_operand_address): Likewise.
12 * config/i386/predicates.md (x86_64_immediate_operand): Test
13 SYMBOL_REF_TLS_MODEL properly inside CONST.
14 (x86_64_zext_immediate_operand): Likewise.
15 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
16 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
17 * config/i386/i386-protos.h: Remove predicates.md entries.
19 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
21 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
22 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
24 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
25 Ian Lance Taylor <ian@airs.com>
28 * fold-const.c (fold_widened_comparison): Do not allow range based
29 constant folding when right operand cannot be unwidened.
31 2005-10-17 Richard Henderson <rth@redhat.com>
33 * builtins.c (expand_builtin_synchronize): Build a new-style asm
34 with a memory clobber.
36 2005-10-17 James E Wilson <wilson@specifix.com>
38 PR rtl-optimization/17356
39 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
42 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
44 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
45 the slot on an even boundary for any type with 16-byte alignment.
47 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
50 * md.texi (Modifiers) <%>: Clarify that % doesn't work
51 after register allocation.
53 2005-10-17 DJ Delorie <dj@redhat.com>
55 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
58 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
61 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
64 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
66 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
67 to 2 if it's already non-zero.
68 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
69 is set and warn about it if flag_schedule_insns is 1.
71 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
73 * config/crx/crx.md: Compare-and-branch instructions need to
76 2005-10-17 Uros Bizjak <uros@kss-loka.si>
79 * config/i386/i386.md (*pushdi2_rex64 splitter)
80 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
81 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
82 flow2 pass only when (optimize > 0 && flag_peephole2).
84 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
87 * gcc.c (have_c): New static variable.
89 (process_command): Remove declation of have_c.
90 Set have_o to 1 when handling -o.
91 (main): Add a fatel error if there are multiple
92 files specified and -o and -c/-S is passed witout
93 -combine or multiple languages.
95 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
97 Fix PR tree-optimization/22444
98 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
99 Assert that we don't hit something with subvars.
100 (setup_pointers_and_addressables): Don't add things with subvars,
101 because we'll already process the subvars for aliasing purposes.
103 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
106 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
107 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
108 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
109 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
110 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
111 swapped, alternatives for the R constraint.
114 * builtins.c (get_builtin_sync_mode): Make unlimited
115 mode_for_size request.
117 2005-10-15 Richard Henderson <rth@redhat.com>
119 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
120 (gimplify_expr): ... here.
121 (gimplify_compound_lval): Use it in initial scan loop. Allow
122 fb_lvalue in base expression.
124 2005-10-15 Richard Henderson <rth@redhat.com>
127 * builtins.c (expand_builtin_trap): Export.
128 * expr.h (expand_builtin_trap): Declare.
129 * expr.c (expand_assignment): Emit a trap for integral offsets
130 from registers that weren't reduced to bitpos.
132 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
133 (mark_array_ref_addressable): Remove.
134 * tree-flow.h (mark_array_ref_addressable): Remove.
135 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
137 2005-10-15 James E Wilson <wilson@specifix.com>
140 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
141 (add_dependence_list_and_free): Likewise.
142 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
145 2005-10-15 Diego Novillo <dnovillo@redhat.com>
149 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
150 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
152 (vrp_visit_phi_node): Only prevent infinite iterations when
153 the previous result and the new result are both VR_RANGEs.
155 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
157 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
160 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
163 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
166 2005-10-14 Per Bothner <per@bothner.com>
168 PR preprocessor/21250
169 * c-ppoutput.c (print_line): Print internal line 0 as 1.
171 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
174 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
175 overflow flags. Refactor some conditionals.
177 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
180 * tree-dfa.c (add_referenced_var): Only look at decls which
181 have TREE_CONSTANT or TREE_READONLY set instead of if
182 !TREE_PUBLIC or !TREE_CONSTANT.
184 2005-10-13 James E Wilson <wilson@specifix.com>
186 * doc/invoke.texi: For -x, add f95-cpp-input.
187 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
189 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
191 PR tree-optimization/24262
192 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
193 in loop all the time.
195 2005-10-12 Richard Henderson <rth@redhat.com>
198 * tree.h (DECL_TRANSPARENT_UNION): Remove.
199 * function.c (assign_parm_find_data_types): Don't support it.
200 * print-tree.c (print_node): Likewise.
201 * c-common.c (handle_transparent_union_attribute): Likewise.
202 Use build_duplicate_type.
203 * tree-inline.c (remap_type_1): Split out of remap_type;
204 properly remap aggregate fields.
205 (build_duplicate_type): New.
206 * doc/extend.texi (Variable Attributes): Remove documentation
207 for transparent_union.
209 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
212 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
213 (gen_stack_pointer_dec): Likewise.
215 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
219 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
221 (struct cxx): Add adjust_class_at_definition target hook.
222 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
223 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
224 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
225 hook_void_tree. Add to TARGET_CXX.
226 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
228 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
229 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
230 instead of attribute. Check for dllexport override. Warn if
231 inconsistent dll linkage. Don't lose old dllimport if decl has
232 had address referenced. Tweak lookup of dllimport atribute.
233 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
234 for target specific rules. Don't add dllimport attribute if
235 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
237 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
238 * varasm.c (initializer_constant_valid_p): Replace
239 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
243 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
244 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
245 (i[34567]86-*-mingw32*): Likewise.
247 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
248 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
250 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
251 C++-specific code. Change return value to bool.
252 (i386_pe_dllimport_p): Likewise.
253 (associated_type): Simplify and make language-independent
254 (i386_pe_encode_section_info): Replace override of ambiguous
255 dllimport symbol refs with a gcc_assert.
256 (i386_pe_valid_dllimport_attribute_p): Define.
257 * config/i386/winnt-cxx.c: New file. Define C++ versions of
258 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
259 i386_pe_adjust_class_at_definition.
260 * config/i386/winnt-stubs.c: New file. Define stub versions of
261 lang-specific functions.
262 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
263 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
264 i386_pe_adjust_class_at_definition.
265 (i386_pe_valid_dllimport_attribute_p): Declare.
266 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
267 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
268 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
271 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
272 dllimport attribute with test of DECL_DLLIMPORT_P.
274 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
276 * combine.c (make_extraction): Correct offset computation.
278 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
280 * config/cris/t-linux (LIMITS_H_TEST): Define.
282 2005-10-12 Richard Henderson <rth@redhat.com>
285 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
287 2005-10-12 Richard Guenther <rguenther@suse.de>
289 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
291 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
294 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
295 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
298 2005-10-12 Richard Guenther <rguenther@suse.de>
301 * varasm.c (output_constant): Correct typo from previous
304 2005-10-11 Ian Lance Taylor <ian@airs.com>
306 PR rtl-optimization/13931
307 * combine.c: Revert patch of 2003-05-14, and:
308 (try_combine): Only set elim_i1 and elim_i2 if the destination is
309 completely killed in the appropriate insn.
310 (distribute_notes): Don't skip multiple hard register test for
313 2005-10-11 Richard Henderson <rth@redhat.com>
316 * c-typeck.c (convert_for_assignment): Use build_constructor_single
317 to initialize a transparent union instead of a nop_expr.
319 2005-10-11 Richard Henderson <rth@redhat.com>
321 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
322 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
323 (tree_ssa_dce_loop): Call scev_reset.
326 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
327 * tree-ssa-dce.c: Include cfgloop.h.
328 (tree_ssa_dce_loop, pass_dce_loop): New.
329 * tree-pass.h (pass_dce_loop): Declare it.
330 * passes.c (init_optimization_passes): Use it.
332 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
335 * convert.c (convert_to_real): Revert 2005-10-05 patch.
336 Only apply the optimization for rounding builtins if the inner
337 cast is also an extension.
339 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
342 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
343 mark_new_vars_to_rename instead of update_stmt.
345 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
347 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
349 2005-10-11 Jakub Jelinek <jakub@redhat.com>
351 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
352 for setting MMX register to 0 rather than mmx.
354 2005-10-10 Steve Ellcey <sje@cup.hp.com>
357 * configure.ac: Move gas check from mips specific case to common case.
358 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
359 * configure: Regenerate
360 * doc/install.texi: Update.
362 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
365 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
367 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
369 * gcc.c (do_spec_1): Accept numeric characters in file name
372 2005-10-10 Nick Clifton <nickc@redhat.com>
374 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
375 describing the deleted arm_gen_rotated_half_load function.
377 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
379 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
382 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
384 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
386 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
387 (EXTRA_MULTILIB_PARTS): Define.
388 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
389 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
390 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
391 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
392 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
393 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
395 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
397 PR tree-optimization/24226
398 * tree-cfg.c (remove_bb): Clean up unreachable loops.
399 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
400 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
403 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
405 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
407 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
410 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
411 Rewrite for no need for the early clobber.
413 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
415 Merge from csl-arm-branch:
416 2005-09-07 Paul Brook <paul@codesourcery.com>
417 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
420 2005-04-30 Paul Brook <paul@codesourcery.com>
421 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
422 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
424 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
425 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
426 (arm_override_options): Use TARGET_AAPCS_BASED.
427 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
428 (PTRDIFF_TYPE): Use int for AAPCS.
429 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
430 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
431 (DEFAULT_SHORT_ENUMS): Delete.
432 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
434 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
435 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
436 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
437 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
439 2004-12-03 Mark Mitchell <mark@codesourcery.com>
440 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
442 2004-11-22 Mark Mitchell <mark@codesourcery.com>
443 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
445 2004-11-19 Mark Mitchell <mark@codesourcery.com>
446 * config.gcc (arm*-*-linux-gnueabi): Add it.
447 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
449 (TARGET_OS_CPP_BUILTINS): Likeiwse.
450 * config/arm/linux-eabi.h: New file.
451 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
452 (LINUX_TARET_LINK_SPEC): Likewise.
454 * config/arm/t-linux-eabi: New file.
456 2005-10-08 Steven Bosscher <stevenb@suse.de>
459 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
461 (PARAM_SMS_DFA_HISTORY): Likewise.
463 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
466 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
467 (load_register_parameters): Call it.
468 (check_sibcall_argument_overlap_1): Likewise.
469 (store_one_arg): Likewise.
471 2005-10-07 James E. Wilson <wilson@specifix.com>
473 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
474 DImode not VECINT24 for operand 2.
477 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
481 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
482 fr_spill): Use destination_operand for operand 0.
484 2005-10-07 DJ Delorie <dj@redhat.com>
486 * varasm.c (output_constant): Limit error to expanding
489 2005-10-07 Richard Guenther <rguenther@suse.de>
492 * fold-const.c (fold_binary): Fix operand types during folding
493 of X op (A, Y). Evaluation order of the side-effects of
494 X and A are frontend-defined, so ensure we honour that even for
495 tcc_comparison class operands; eased by removing duplicate code.
497 2005-10-07 Steve Ellcey <sje@cup.hp.com>
499 * stor-layout.c (layout_type): Do not allow alignment of array
500 elements to be greater than their size.
502 2005-10-07 Steve Ellcey <sje@cup.hp.com>
504 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
506 (hppa*-*-linux*): Ditto.
507 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
508 * config/host-hpux.c: New.
509 * config/x-hpux: New.
510 * config/pa/x-hpux: Remove.
511 * config/pa/x-linux: Remove.
512 * config/pa/pa-host.c: Remove.
514 2005-10-07 Jeff Law <law@redhat.com>
516 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
517 determine whether or not to try and thread outgoing edges.
519 2005-10-07 David Edelsohn <edelsohn@gnu.org>
521 * config/rs6000/rs6000.md (eqsi_power): New.
522 (neg_eq0si): Add TARGET_POWER to final condition.
525 2005-10-06 Richard Henderson <rth@redhat.com>
527 * config/rs6000/rs6000.c: Revert last change.
529 2005-10-06 Richard Henderson <rth@redhat.com>
531 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
532 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
534 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
538 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
539 out return_label and naked_return_label.
541 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
543 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
546 2005-10-06 Richard Henderson <rth@redhat.com>
549 * tree-inline.c (declare_return_variable): Handle modify_dest not
552 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
554 Fix PR tree-optimization/22488
555 * tree-ssa-structalias.c (check_for_overlaps): New function.
556 (create_variable_info_for): Use it.
558 2005-10-06 Richard Henderson <rth@redhat.com>
561 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
562 (dwarf2out_start_source_file): Print it.
564 2005-10-06 Geoffrey Keating <geoffk@apple.com>
566 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
568 2005-10-06 Richard Henderson <rth@redhat.com>
571 * mode-switching.c (optimize_mode_switching): Clear transp bit
572 for block with incomming abnormal edges.
574 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
575 (fpscr_set_from_mem): Use them.
576 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
577 (fpscr postinc splitters): Rewrite as peephole2+split.
579 2005-10-06 David Edelsohn <edelsohn@gnu.org>
581 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
582 (eq<mode>_compare): Same.
584 2005-10-06 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/24238
587 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
589 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
591 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
592 here. Use AC_PATH_PROG for environment variables instead of
594 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
596 * configure: Regenerated.
598 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
601 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
602 then force it into a register.
603 (call_value): Likewise.
605 2005-10-06 Richard Henderson <rth@redhat.com>
608 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
609 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
610 under pass_vectorize.
612 2005-10-05 Devang Patel <dpatel@apple.com>
615 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
616 handling constants. Check NAMESPACE_DECL context for constants.
618 2005-10-05 Eric Christopher <echristo@apple.com>
620 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
622 2005-10-05 Richard Henderson <rth@redhat.com>
625 * tree-cfg.c (mark_array_ref_addressable_1): New.
626 (mark_array_ref_addressable): New.
627 * tree-flow.h (mark_array_ref_addressable): Declare.
628 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
630 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
634 * reload.c (subst_reloads): When adding a REG_LABEL to a
635 jump instruction, also update JUMP_LABEL.
637 2005-10-05 David Edelsohn <edelsohn@gnu.org>
639 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
640 * bb-reorder.c (copy_bb_p): Use it.
641 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
643 2005-10-05 Richard Henderson <rth@redhat.com>
646 * toplev.c (process_options): Warn about unsupported combinations
647 of unwind tables and omit-frame-pointer.
648 * config/i386/i386.c (override_options): Similarly. Enable
649 accumulate-outgoing-args if not explicitly disabled.
651 2005-10-05 Steve Ellcey <sje@cup.hp.com>
653 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
654 Handle big endian vs. small endian.
655 (vec_initv2sf): Handle big endian vs. small endian.
656 (*vec_extractv2sf_1): Ditto.
658 2005-10-05 Dale Johannesen <dalej@apple.com>
660 * convert.c (convert_to_real): Don't convert
661 (float)floor(double d) to floorf((float)d).
663 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
665 * config/arm/arm.md (insv): Use gen_int_mode in more places.
667 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
669 PR tree-optimization/18587
670 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
671 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
672 build_vuses): Change to VEC type.
673 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
674 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
675 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
676 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
677 (get_name_decl): New. Return DECL_UID of base variable.
678 (operand_build_cmp): New. qsort comparison routine.
679 (operand_build_sort_virtual): New. Sort virtual build vector.
680 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
681 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
682 (FINALIZE_BASE): Use get_name_decl.
683 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
684 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
685 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
686 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
687 direct VEC_* manipulations.
688 (build_ssa_operands): Call operand_build_sort_virtual.
689 (copy_virtual_operand, create_ssa_artficial_load_stmt,
690 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
691 with direct VEC_* manipulations.
692 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
693 with direct VEC manipulations.
695 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
697 PR tree-optimization/21419
698 PR tree-optimization/24146
699 PR tree-optimization/24151
701 * c-typeck.c (readonly_error): Handle USE being lv_asm.
702 (build_asm_expr): Call it if outputs are read-only.
703 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
705 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
706 Paolo Bonzini <bonzini@gnu.org>
710 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
711 enable the instructions and not just the built-ins.
712 * doc/invoke.texi (x86 Options): Likewise.
714 2005-10-04 Geoffrey Keating <geoffk@apple.com>
716 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
718 * doc/invoke.texi (Option Summary): Correct spelling
719 of -mmacosx-version-min.
721 2005-10-04 Devang Patel <dpatel@apple.com>
723 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
726 2005-10-04 Steve Ellcey <sje@cup.hp.com>
728 * tree-vect-transform.c (vect_create_epilog_for_reduction):
729 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
731 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
733 * config/s390/s390.md ("TDSI","DP"): New mode macros.
734 ("TE","tg"): New mode attributes.
735 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
736 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
737 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
738 dword_mode and one for GPRmode.
740 2005-10-04 Ian Lance Taylor <ian@airs.com>
742 PR preprocessor/13726
743 * c-ppoutput.c (cb_include): Add comments parameter, and print out
744 any comments passed in.
746 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
748 * tree.c (annotate_with_file_line): Fix typo.
750 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
753 * builtins.c (fold_builtin_memcmp): When constructing the pointer
754 type used to access data in the inlined length == 1 case, use
755 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
756 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
758 2005-10-04 Uros Bizjak <uros@kss-loka.si>
760 * config/i386/i386.h (TARGET_FISTTP): Enable also for
761 TARGET_SSE3 and only for TARGET_80387.
762 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
763 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
764 Do not depend on TARGET_80387.
766 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
768 * tree.c (last_annotated_node): Change type to location_t*.
769 (annotate_with_file_line): Reflect the change of
770 last_annotated_node type.
772 2005-10-04 Richard Guenther <rguenther@suse.de>
775 * c-decl.c (grokdeclarator): Don't write to fields
778 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
781 * c-decl.c (finish_decl): Use set_user_assembler_name even for
783 * varasm.c (make_decl_rtl): If a register variable does not
784 have a set user assmbler name, error out.
785 Decode the asmspec is now name+1 bypassing '*'.
787 2005-10-04 Steven Bosscher <stevenb@suse.de>
789 PR tree-optimization/23049
790 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
791 of a COND_EXPR is folded before calling fold on the whole rhs of a
792 conditional assignment.
793 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
794 document that a COND_EXPR may appear there.
796 2005-10-03 Diego Novillo <dnovillo@redhat.com>
799 * tree-vrp.c (extract_range_from_assert): If the new numeric
800 range created out of the assertion contradicts the existing
801 numeric range of the ASSERT_EXPR variable, make the new range
804 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
806 * config/sh/sh.c (sh_register_move_cost): Add case for moving
807 from T_REGS to FP register class.
809 2005-10-03 Richard Henderson <rth@redhat.com>
812 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
813 before creating a new one.
815 2005-10-03 David Edelsohn <edelsohn@gnu.org>
817 * config/rs6000/t-aix43 (LDFLAGS): New.
818 * config/rs6000/t-aix52 (LDFLAGS): New.
820 2005-10-03 Ian Lance Taylor <ian@airs.com>
822 * gimplify.c (find_single_pointer_decl_1): New static function.
823 (find_single_pointer_decl): New static function.
824 (internal_get_tmp_var): For a formal variable, set restrict base
825 information if appropriate.
826 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
828 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
829 (DECL_GET_RESTRICT_BASE): Define.
830 (SET_DECL_RESTRICT_BASE): Define.
831 (decl_restrict_base_lookup): Declare.
832 (decl_restrict_base_insert): Declare.
833 (struct tree_decl_with_vis): Add based_on_restrict_p field.
834 * tree.c (restrict_base_for_decl): New static variable.
835 (init_ttree): Initialize restrict_base_for_decl.
836 (copy_node_stat): Copy restrict base information.
837 (decl_restrict_base_lookup): New function.
838 (decl_restrict_base_insert): New function.
839 (print_restrict_base_statistics): New static function.
840 (dump_tree_statistics): Call print_restrict_base_statistics.
842 2005-10-02 Diego Novillo <dnovillo@redhat.com>
845 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
848 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
851 * c-typeck.c (tagged_tu_seen): Rename to ...
852 (tagged_tu_seen_cache): this and add val field.
853 (comptypes): Move functional to comptypes_internal
854 and free tagged_tu_seen.
855 (comptypes_internal): New function and call comptypes_internal
856 instead of comptypes. Speed up by sibcalling
857 tagged_types_tu_compatible_p.
858 (alloc_tagged_tu_seen): New function
859 (free_all_tagged_tu_seen_up_to): New function.
860 (tagged_types_tu_compatible_p): Return the val of the seen two
862 Add that the two types are the same to tagged_tu_seen_base
863 if they are and call comptypes_internal instead of comptypes.
864 <case UNION_TYPE>: Speed up common type where the fields are
866 (function_types_compatible_p): Call comptypes_internal instead of
868 (type_lists_compatible_p): Likewise.
869 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
871 2005-10-02 Matthias Klose <doko@debian.org>
873 * doc/invoke.texi: Fix typo and speling error.
875 2005-10-01 Richard Henderson <rth@redhat.com>
877 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
879 2005-10-01 Mark Mitchell <mark@codesourcery.com>
881 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
882 using --start-group and --end-group.
884 2005-10-01 Diego Novillo <dnovillo@redhat.com>
886 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
887 FIXME note regarding quirky semantics.
889 2005-10-01 Diego Novillo <dnovillo@redhat.com>
892 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
893 non-null range as a last resort.
895 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
896 Diego Novillo <dnovillo@redhat.com>
899 * tree-vrp.c (extract_range_from_assert): For !=
900 assertions, only build an anti-range if LIMIT is a
903 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
905 * arm.md (movqi): On thumb when optimizing, handle loading from
906 memory by describing this as taking a subreg of a zero-extended load
907 into an SImode register.
910 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
912 * reload1.c (merge_assigned_reloads): Do not change any
913 RELOAD_FOR_OUTPUT_ADDRESS reloads.
915 2005-09-30 Geoffrey Keating <geoffk@apple.com>
917 * Makefile.in (LIPO_FOR_TARGET): Define.
918 (STRIP_FOR_TARGET): Define.
920 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
921 before creating new ones. Do symlinks before creating the actual
924 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
925 to work out which multilibs are actually being built.
927 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
929 * tree-vect-transform.c, config/ms1/ms1.md,
930 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
931 Follow spelling conventions.
932 * doc/invoke.texi, doc/md.texi: Fix typos.
934 2005-09-30 Andrew Macleod <amacleod@redat.com>
936 PR tree-optimization/21430
937 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
938 use operands, and set stmt pointer if need be.
939 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
940 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
943 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
946 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
948 2005-09-29 Mark Mitchell <mark@codesourcery.com>
950 * optabs.c (expand_binop): Initialize first_pass_p.
952 2005-09-29 Jakub Jelinek <jakub@redhat.com>
955 * c-decl.c (c_write_global_declarations_1): If any
956 wrapup_global_declaration_2 call returned true, restart the loop.
958 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
960 Fix PR tree-optimization/24117
961 * tree-ssa-structalias.c (find_func_aliases): Strip nops
962 before considering whether to use anyoffset.
964 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
968 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
970 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
972 (swap_commutative_operands_with_target): New.
974 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
977 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
980 2005-09-29 Steven Bosscher <stevenb@suse.de>
982 PR tree-optimization/23911
983 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
984 and IMAGPART_EXPR too.
986 2005-09-28 Mark Mitchell <mark@codesourcery.com>
989 * expmed.c (expand_shift): Move logic to reverse rotation
990 direction when rotating by constants ...
991 * optabs.c (expand_binop): ... here.
992 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
993 (ix86_rotrdi3): New pattern.
994 (rotldi3): Handle 32-bit mode.
995 (ix86_rotldi3): New pattern.
997 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1000 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1001 check for numbers that need no bit twiddle.
1003 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1005 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1006 multilib to be built.
1008 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1009 (stage1-start): Delete old libgcc and libunwind before moving
1010 anything into the stage directory.
1011 (stage2-start): Likewise.
1012 (stage3-start): Likewise.
1013 (stage4-start): Likewise.
1014 (stageprofile-start): Likewise.
1015 (stagefeedback-start): Likewise.
1016 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1017 header in tm_file and CPU-specific t-darwin in tmake_file.
1018 (i[34567]86-*-darwin*): Don't change tm_file.
1019 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1020 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1021 shared library stub for target OS version.
1022 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1023 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1024 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1025 (libgcc_s.%.dylib): New.
1027 (install-darwin-libgcc-stubs): New.
1028 (INSTALL_LIBGCC): New append.
1029 * config/i386/darwin-libgcc.10.4.ver: New.
1030 * config/i386/darwin-libgcc.10.5.ver: New.
1031 * config/i386/t-darwin: New.
1032 * config/rs6000/darwin-libgcc.10.4.ver: New.
1033 * config/rs6000/darwin-libgcc.10.5.ver: New.
1034 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1035 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1037 2005-09-28 Paul Brook <paul@codesourcery.com>
1039 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1042 2005-09-28 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/23853
1045 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1046 host_integerp to verify misalignment value.
1048 2005-09-28 Richard Henderson <rth@redhat.com>
1050 * builtins.c (get_builtin_sync_mode): New.
1051 (expand_builtin_sync_operation): Pass in mode argument.
1052 (expand_builtin_compare_and_swap): Likewise.
1053 (expand_builtin_lock_test_and_set): Likewise.
1054 (expand_builtin_lock_release): Likewise.
1055 (expand_builtin): Update to match.
1057 2005-09-28 Nick Clifton <nickc@redhat.com>
1059 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1060 formatting. Add check to PLUS case to ensure that the offset is
1061 within an acceptable range.
1063 * config/v850/v850.md (casesi): Disable the generation of the
1064 switch pattern as it is not being handled properly at the moment.
1066 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1067 for when the high words are identical.
1069 2005-09-27 Richard Henderson <rth@redhat.com>
1071 * pretty-print.c (pp_base_format): Fix typo for %>.
1073 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1074 Devang Patel <dpatel@apple.com>
1076 PR tree-optimization/23625
1077 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1078 LABEL_EXPR, assertion check.
1080 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1082 * optabs.c (no_conflict_move_test): Check if a result of a
1083 to-be-moved insn would be clobbered by an originally
1086 2005-09-27 Jeff Law <law@redhat.com>
1088 * passes.c (init_optimization_passes): Replace copy propagation
1089 passes immediately after DOM with phi-only copy propagation
1090 pases. Add phi-only copy propagation pass after first DOM pass.
1091 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1092 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1093 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1094 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1095 to init_copy_prop. Callers updated.
1096 (do_phi_only_copy_prop): New function.
1097 (pass_phi_only_copy_prop): New pass descriptor.
1099 2005-09-27 Nick Clifton <nickc@redhat.com>
1101 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1103 2005-09-26 Jason Merrill <jason@redhat.com>
1106 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1108 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1110 2005-09-26 James E Wilson <wilson@specifix.com>
1112 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1113 copyright. Add gcc copyright plus libgcc exception.
1114 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1116 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1118 2005-09-26 Jeff Law <law@redhat.com>
1120 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1121 about when to iterate.
1123 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1126 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1127 for __complex__ double in -mcpu=G5 mode.
1129 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1131 PR tree-optimization/23942
1132 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1133 * tree-scalar-evolution.c: Include params.h.
1135 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1136 follow_ssa_edge_in_condition_phi_branch,
1137 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1138 Change return type to t_bool. Use a parameter to limit the size of
1139 trees that are walked before stopping
1140 (analyze_evolution_in_loop): Initialize the limit to 0.
1141 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1142 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1144 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1147 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1148 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1150 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1152 * combine.c (make_extraction): Check for valid use of subreg.
1154 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1157 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1158 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1159 ("fist<mode>2_with_temp"): Use only register operands.
1161 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1163 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1164 CALL_INSN_FUNCTION_USAGE.
1166 2005-09-26 Richard Guenther <rguenther@suse.de>
1169 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1170 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1171 (ldst_entry): Use the hashtable instead of list-walking.
1172 (find_rtx_in_ldst): Likewise.
1173 (free_ldst_entry): Free the hashtable.
1174 (compute_ld_motion_mems): Create the hashtable.
1175 (trim_ld_motion_mems): Remove entry from hashtable if
1176 removing it from list.
1177 (compute_store_table): Likewise^2.
1178 (store_motion): Free hashtable in case we did not see
1181 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1183 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1184 and arg1 if we are passing them to fold_build2.
1186 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1189 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1192 2005-09-25 Richard Henderson <rth@redhat.com>
1194 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1195 SYMBOL_REF_TLS_MODEL to be correct.
1197 2005-09-24 Richard Henderson <rth@redhat.com>
1199 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1200 end of function. Reindent.
1202 2005-09-24 Ian Lance Taylor <ian@airs.com>
1204 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1205 NEGATE_EXPR/BIT_NOT_EXPR case.
1207 2005-09-24 Richard Henderson <rth@redhat.com>
1209 * c-common.c (handle_mode_attribute): When not modifying in place,
1210 create subtypes for enumerations.
1211 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1212 * gimplify.c (create_tmp_from_val): Likewise.
1214 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1216 * config/i386/i386.md (*tls_global_dynamic_64,
1217 *tls_local_dynamic_base_64): Add missing mode to call.
1218 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1220 2005-09-24 Jan Hubicka <jh@suse.cz>
1222 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1223 (cgraph_clone_node): Likewise.
1224 * cgraph.h (cgraph_clone_edge): Update prototype.
1225 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1226 duplicated prototypes; add updating argument.
1227 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1228 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1230 (cgraph_mark_inline_edge): Likewise.
1231 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1232 (cgraph_flatten_node): Likewise.
1233 (cgraph_decide_recursive_inlining): Likewise.
1234 (cgraph_decide_inlining_of_small_function): Likewise.
1235 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1237 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1238 Pete Steinmetz <steinmtz@us.ibm.com>
1240 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1241 (rldic.): Set type to "compare".
1243 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1244 mfjmpr for MFCTR/MFLR.
1245 (movdf_hardfloat64): Same.
1246 (movdf_softfloat64): Same. Correct order of store and move types.
1247 (movti_string): Set type to store_ux/load_ux.
1248 (load_multiple): Set type to load_ux.
1249 (store_multiple): Set type to store_ux.
1250 (movmemsi): Set type to store_ux.
1251 (output_cbranch direct_return): Set type to jmpreg.
1252 (stmw): Set type to store_ux.
1253 (lmw): Set type to load_ux.
1254 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1255 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1256 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1257 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1258 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1259 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1260 (rios1-fpstore): Increase latency to 3.
1261 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1262 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1264 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1265 Andrew Pinski <pinskia@physics.uc.edu>
1267 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1268 operand2 constraint to "b".
1269 (sync_<fetchop_name>di_internal): Same.
1270 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1272 (sync_old_<fetchop_name>di_internal): Same.
1273 (sync_new_<fetchop_name>si_internal): Same.
1274 (sync_new_<fetchop_name>di_internal): Same.
1276 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1279 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1280 case, define as macros.
1282 PR rtl-optimization/23837
1283 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1284 clobber / clobber match between dest and p->first.
1286 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1287 (no_conflict_move_test): Update comments.
1289 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1291 * doc/install.texi: Update URL for Jacks.
1292 * doc/sourcebuild.texi: Likewise.
1294 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1297 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1298 registers when choosing register preferences.
1299 (movdf_hardfloat64): Same.
1301 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1303 * expmed.c (expand_shift): Don't use the target of the rotate as
1304 target for the first expanded shift insn.
1305 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1307 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1309 PR tree-optimization/22438
1310 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1311 preserved iv rhs rewriting specially.
1313 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1315 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1316 estimate_only is true.
1317 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1318 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1319 tree-ssa-structalias.c
1320 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1321 ref_contains_indirect_ref.
1322 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1324 2005-09-21 DJ Delorie <dj@redhat.com>
1326 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1328 (mn10300_return_in_memory): Support variable size types also.
1329 (mn10300_pass_by_reference): Likewise.
1330 (mn10300_function_value): New.
1331 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1332 (FUNCTION_OUTGOING_VALUE): Likewise.
1333 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1334 * doc/invoke.texi: Document it.
1336 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1339 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1340 force integer op1 into register for XFmode compares.
1342 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1345 * expmed.c (alg_code): Add alg_impossible.
1346 (alg_hash_entry): Add cost.
1347 (synth_mult): Record alg_impossible in the hash table if
1348 multiplication by a given integer is impossble within the
1349 limit. Speed up using alg_impossible.
1351 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1353 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1354 argument. Allow and set any offset if needs_anyoffset is passed
1356 (get_constraint_for): Add argument here too.
1358 (do_structure_copy): Pass NULL to get_constraint_for.
1359 (handle_ptr_arith): Ditto.
1360 (find_func_aliases): Ditto.
1362 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1364 PR rtl-optimization/23898
1365 * output.h (get_attr_min_length): Declare.
1366 * final.c (get_attr_length_1): New function, broken out of:
1368 (get_attr_min_length): New function.
1369 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1370 (duplicate_computed_gotos): Likewise.
1371 * genattr.c (insn_min_length): Generate declaration.
1372 * genattrtab.c (min_fn, min_attr_value): New functions.
1373 (make_length_attrs): Generate insn_min_length.
1375 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1377 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1379 2005-09-20 Richard Henderson <rth@redhat.com>
1381 PR tree-optimization/24059
1382 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1385 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1387 * c.opt (fextended-identifiers): New.
1388 * c-opts.c (c_common_handle_option): Handle
1389 -fextended-identifiers.
1390 * doc/cpp.texi: Update documentation of extended identifiers.
1391 * doc/cppopts.texi (-fextended-identifiers): Document.
1393 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1395 PR tree-optimization/23929
1396 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1399 PR tree-optimization/23818
1400 * tree-stdarg.c (execute_optimize_stdarg): Call
1401 calculate_dominance_info.
1403 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1405 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1406 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1407 (compute_overlap_steps_for_affine_1_2): Use
1408 get_number_of_iters_for_loop.
1409 (analyze_subscript_affine_affine): Check whether difference is
1411 Use get_number_of_iters_for_loop.
1412 Check whether overlap occurs outside of bounds.
1413 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1415 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1417 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1418 base register if possible.
1420 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1422 PR tree-optimization/18463
1423 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1424 converting it directly is not possible.
1425 (chrec_convert_aggressive): New function.
1426 * tree-chrec.h (chrec_convert_aggressive): Declare.
1427 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1428 Fold chrec conversions aggressively if asked to.
1429 (instantiate_parameters): Modified because of changes in
1430 instantiate_parameters_1.
1432 2005-09-19 Richard Henderson <rth@redhat.com>
1434 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1435 (reduc_splus_v2df): New.
1437 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1439 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1440 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1442 2005-09-19 Richard Henderson <rth@redhat.com>
1444 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1447 2005-09-19 Richard Henderson <rth@redhat.com>
1449 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1450 (ia64_expand_dot_prod_v8qi): New.
1451 * config/ia64/ia64-protos.h: Update.
1452 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1453 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1454 sdot_prodv8qi, sdot_prodv4hi): New.
1455 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1457 2005-09-19 Richard Henderson <rth@redhat.com>
1460 * real.c (exact_real_truncate): Return false if the format cannot
1461 represent the number as a normal.
1463 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1464 for a memory source.
1466 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1468 * tree-ssa-operands.c (swap_tree_operands): Export.
1469 * tree.h (swap_tree_operands): Declare.
1470 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1471 Call swap_tree_operands.
1473 2005-09-19 Richard Henderson <rth@redhat.com>
1475 * tree-flow.h (merge_alias_info): Declare.
1476 * tree-ssa-copy.c (merge_alias_info): Export.
1477 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1478 (vect_create_data_ref_ptr): Use create_iv directly.
1479 (vectorizable_load): Use correct types for integer constants.
1480 (vect_generate_tmps_on_preheader): Likewise.
1481 (vect_gen_niters_for_prolog_loop): Likewise.
1483 2005-09-19 Steven Bosscher <stevenb@suse.de>
1485 PR rtl-optimization/23943
1486 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1488 2005-09-18 Jan Hubicka <jh@suse.cz>
1490 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1492 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1494 * varasm.c (output_constant): Do not abort on conversions to union
1495 types between different sizes.
1497 2005-09-18 Richard Guenther <rguenther@suse.de>
1500 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1503 2005-09-18 Paul Brook <paul@codesourcery.com>
1505 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1507 2005-09-17 Richard Henderson <rth@redhat.com>
1509 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1510 * tree-ssa-loop.c (pass_vect_dce): Remove.
1511 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1514 2005-09-17 Richard Henderson <rth@redhat.com>
1516 * tree-pass.h (pass_vect_dce): Declare.
1517 * passes.c (init_optimization_passes): Add it.
1518 * tree-flow.h (tree_ssa_dce): Declare.
1519 * tree-ssa-dce.c (tree_ssa_dce): Export.
1520 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1521 (gate_tree_vectorize): ... here.
1522 (pass_vect_dce): New.
1524 2005-09-17 Jan Hubicka <jh@suse.cz>
1526 * except.c (struct eh_status): Turn region_array into vec.
1527 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1528 convert_from_eh_region_ranges, find_exception_handler_labels,
1529 current_function_has_exception_handlers, assign_filter_values,
1530 build_post_landing_pads, dw2_build_landing_pads,
1531 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1532 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1533 foreach_reachable_handler, can_throw_internal_1,
1534 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1536 (duplicate_eh_region_1): Update region_array.
1537 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1539 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1542 * expmed.c (expand_mult): Substitute simple register for op0 when
1545 2005-09-17 Richard Henderson <rth@redhat.com>
1547 * expr.c (emit_move_via_integer): Add force argument, pass it on
1548 to emit_move_change_mode. Update callers.
1549 (emit_move_complex): Pass true to new force argument.
1550 * function.c (expand_function_end): Move expand_eh_return call
1551 earlier. Merge sub-word complex values into a pseudo before
1552 copying to the return hard register.
1554 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1556 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1557 between different sizes.
1559 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1563 * passes.c (init_optimization_passes): Register dump files for
1566 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1568 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1569 * config/s390/s390.c (s390_overlap_p): New function.
1570 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1571 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1574 2005-09-16 Richard Guenther <rguenther@suse.de>
1576 * ipa-pure-const.c (static_execute): Free auxiliar information.
1577 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1578 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1580 2005-09-15 DJ Delorie <dj@redhat.com>
1582 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1584 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1586 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1588 (swap_commutative_operands_with_target): New.
1590 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1592 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1595 (estimate_iters_using_array): New function.
1596 * tree-data-ref.h (estimate_iters_using_array): Prototype
1597 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1598 Use estimate_iters_using_array instead of analyze_array.
1600 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1602 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1605 2005-09-15 Michael Matz <matz@suse.de>
1607 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1609 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1611 PR tree-optimization/23835
1612 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1613 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1615 2005-09-14 Richard Henderson <rth@redhat.com>
1617 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1618 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1620 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1622 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1623 in the ARRAY_TYPE case.
1625 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1627 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1629 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1632 * tree-vect-transform.c (vectorizable_operation): Return false for
1633 scalar shift operations and for vector shift operations with
1634 non-invariant shift arguments. Use scalar tree operand op1 as
1635 a shift operand when vector shift insn pattern uses scalar shift
1637 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1639 2005-09-14 Olivier Hainque <hainque@adacore.com>
1641 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1642 value if it has side-effects.
1644 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1647 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1649 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1651 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1652 passed as NAME as if it were label at start of function code.
1654 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1656 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1659 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1661 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1662 as early clobber. Rewrite so the PIC register is not implicitly used.
1664 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1666 * tree.c (annotate_with_file_line): Compare line numbers before
1669 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1672 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1673 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1675 2005-09-13 Ian Lance Taylor <ian@airs.com>
1677 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1678 than a HOST_WIDEST_INT to gen_doloop_begin.
1680 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1682 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1684 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1686 PR tree-optimize/23817
1687 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1689 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1692 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1693 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1694 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1695 (restore_stack_nonlocal): Likewise.
1696 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1698 2005-09-12 Ian Lance Taylor <ian@airs.com>
1701 * c.opt (ffriend-injection): New C++ option.
1702 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1703 (C++ Dialect Options): Document -ffriend-injection.
1705 2005-09-12 Josh Conner <jconner@apple.com>
1708 * ipa-reference.c (static_execute): Don't mark variables in
1709 named sections TREE_READONLY.
1711 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1713 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1716 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1718 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1719 V_MUST_DEF instead of just the first_use_p.
1720 Don't mark the virtual variables for renaming on the statement which
1722 (pass_dse): Remove TODO_update_ssa.
1724 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1727 * stor-layout.c (compute_record_mode): For records with a single
1728 field, actually check the field's mode size against the type size.
1730 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1731 registers for TARGET_SHMEDIA.
1732 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1733 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1734 of GENERAL_REGS and FP_REGS.
1736 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1738 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1740 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1742 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1743 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1744 are omitted. Exclude stack_tie insn too.
1746 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1748 PR rtl-optimization/23098
1749 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1751 * config/rs6000/rs6000.md (movdf splitter): Use
1752 const_double_operand predicate for TARGET_POWERPC64.
1753 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1754 SYMBOL_REF method to ABI_V4.
1756 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1757 replace_equiv_address.
1758 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1759 rs6000_sr_alias_set and MEM_NOTRAP.
1760 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1762 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1764 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1765 handle CALL_EXPR again.
1767 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1769 * arm/predicates.md (alignable_memory_operand): Delete.
1771 2005-09-10 Richard Henderson <rth@redhat.com>
1774 * dbxout.c (dbxout_expand_expr): New.
1775 (dbxout_symbol): Use it.
1777 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1779 * arm.c (arm_gen_rotated_half_load): Delete.
1780 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1781 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1782 (thumb_set_return_address): Likewise.
1783 (thumb_load_double_from_address): Use adjust_address.
1784 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1785 (extendhsisi2_mem, movhi_bytes): Use change_address.
1786 (movhi): Use widen_memory_access.
1787 (reload_out_df): Use replace_equiv_address.
1788 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1790 2005-09-09 Richard Henderson <rth@redhat.com>
1793 * dbxout.c: Include expr.h.
1794 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1795 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1796 * Makefile.in (dbxout.o): Add EXPR_H.
1798 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1800 PR tree-optimization/23509
1801 * tree-cfg.c (replace_uses_by): Use replace_exp.
1802 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1803 pointers have name_mem_tag or type_mem_tag set.
1805 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1807 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1808 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1809 of wrongly accessing operands.
1811 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1813 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1814 * tree-chrec.c: Include tree-scalar-evolution.h.
1815 (chrec_convert): Instantiate the base and step before calling
1816 scev_probably_wraps_p that would fail on parametric evolutions.
1817 Collect all the fails into a single section failed_to_convert,
1818 print a diagnostic, and return chrec_dont_know instead of calling
1820 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1821 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1823 (scev_const_prop): Don't replace the definition of a loop closed ssa
1824 phi node by itself, or by another loop closed ssa phi node.
1825 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1826 that base and step are defined.
1828 2005-09-09 Richard Guenther <rguenther@suse.de>
1831 * fold-const.c (fold_ternary): Check truth_value_p before
1832 calling invert_truthvalue.
1834 2005-09-09 Nick Clifton <nickc@redhat.com>
1836 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1837 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1838 dimension of these arrays.
1839 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1841 * longlong.h: Only provide a prototype for the __clz_tab[] array
1842 if this header has not been included from libgcc2.h.
1843 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1845 Provide prototypes for exported functions.
1846 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1849 2005-09-08 Josh Conner <jconner@apple.com>
1853 * expr.c (expand_expr_addr_expr_1): Don't invoke
1854 expand_simple_binop for EXPAND_INITIALIZER.
1856 2005-09-08 Richard Henderson <rth@redhat.com>
1859 * toplev.c (wrapup_global_declaration_1): Split out ...
1860 (wrapup_global_declaration_2): ... from ...
1861 (wrapup_global_declarations): ... here. Return bool.
1862 (check_global_declaration_1): Split out ...
1863 (check_global_declarations): from here.
1864 (emit_debug_global_declarations): New.
1865 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1866 check_global_declaration_1, emit_debug_global_declarations): Declare.
1867 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1868 of decls. Call wrapup_global_declaration_1,
1869 wrapup_global_declaration_2, check_global_declaration_1 directly.
1870 (c_write_global_declarations_2): New.
1872 (c_write_global_declarations): Call c_write_global_declarations_2.
1873 * langhooks.c (write_global_declarations): Call
1874 emit_debug_global_declarations.
1876 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1877 remove decls that have DECL_RTL_SET_P.
1878 * passes.c (rest_of_decl_compilation): Invoke
1879 cgraph_varpool_finalize_decl for all but functions.
1881 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1883 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1884 the result of a conversion if the new min and max cannot be compared.
1886 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1888 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1889 (override_options): Setting s390_sr_alias_set removed.
1890 (save_fpr, save_gprs): Set alias set to vararg or frame.
1891 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1892 s390_sr_alias_set with get_frame_alias_set ().
1893 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1894 get_varargs_alias_set ().
1896 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1900 * c-parser.c (c_parser_objc_method_definition): If the next
1901 token is not "{", error out and don't start the function.
1903 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1905 * tree-vrp.c (extract_range_from_expr): Move the check for non
1906 nullness after the check for gimple invariant.
1908 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1910 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1912 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1915 * config/m32r.md (movmemsi_internal): Canonicalize order of
1916 operands in PLUS component of template.
1918 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1920 * reload1.c (fixup_eh_region_note): Remove assertion.
1921 (fixup_abnormal_edges): Reverted removal of call to
1922 find_many_sub_basic_blocks made on 2005-08-31.
1924 2005-09-07 Richard Henderson <rth@redhat.com>
1926 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1927 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1928 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1929 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1930 rearrange for better packing.
1931 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1932 (lookup_cfa_1): Remove inline marker.
1933 (cfa_equal_p): Split out of ...
1934 (def_cfa_1): ... here. Use INVALID_REGNUM.
1935 (build_cfa_loc): Handle !cfa->indirect.
1936 (frame_pointer_cfa_offset): New.
1937 (dbx_reg_number): Assert register elimination performed; do
1938 leaf register remapping.
1939 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1940 (eliminate_reg_to_offset): New.
1941 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1942 for verifiably local stack frame addresses; re-base to CFA.
1943 (mem_loc_descriptor): Remove can_use_fbreg argument.
1944 (concat_loc_descriptor, loc_descriptor): Likewise.
1945 (containing_function_has_frame_base): Remove.
1946 (rtl_for_decl_location): Don't do register elimination or
1947 leaf register remapping here.
1948 (secname_for_decl): Split out from ..
1949 (add_location_or_const_value_attribute): ... here.
1950 (convert_cfa_to_loc_list): New.
1951 (compute_frame_pointer_to_cfa_displacement): New.
1952 (gen_subprogram_die): Use them.
1953 * tree.h (frame_base_decl): Remove.
1954 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1955 (prologue_stack_adjust): Remove.
1956 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1957 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1958 (set_frame_base_location): Remove.
1959 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1960 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1961 (vt_add_function_parameters): Don't eliminate_regs.
1962 (vt_initialize): Don't create frame_base_decl.
1964 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1966 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1967 version of GNU binutils for 4.x and later.
1969 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1971 * ggc-page.c (ggc_push_context): Remove.
1972 (ggc_pop_context): Likewise.
1973 * ggc.h (ggc_push_context): Remove.
1974 (ggc_pop_context): Likewise.
1976 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1979 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1980 returning from an interrupt handler.
1982 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1985 * config/arc/arc.c (output_shift): Add check for loop count when
1988 2005-09-06 Steven Bosscher <stevenb@suse.de>
1990 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1992 (abs_replacement): Likewise.
1993 (pass_phiopt): Remove TODO_update_ssa.
1995 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1998 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1999 if "return with no value, in function returning non-void" warning
2001 * tree-cfg.c (execute_warn_function_return): Don't look at
2002 RETURN_EXPRs with TREE_NO_WARNING set.
2005 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2006 for internal functions doesn't use registers used by global registers
2007 variables. Use fewer register parameters if there are global register
2010 2005-09-06 Olivier Hainque <hainque@adacore.com>
2011 Eric Botcazou <ebotcazou@adacore.com>
2014 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2015 when we would be extracting outside its bit span (bitpos+bitsize
2016 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2017 Ada unchecked conversions.
2019 2005-09-06 Steven Bosscher <stevenb@suse.de>
2021 * tree-ssa-pre.c (try_look_through_load): New function.
2022 (compute_avail): Use it to try to look through loads for some
2023 more useful expressions.
2025 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2027 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2028 condition for detecting cases like (a&a) and (a^a).
2030 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2032 * common.opt: Add option ftree-vect-loop-version.
2033 * params.def: Add --param vect-max-version-checks.
2034 * doc/invoke.texi: Document ftree-vect-loop-version and
2035 --param vect-max-version-checks.
2036 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2037 may_misalign_stmts and defines for accessors.
2038 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2039 LOOP_VINFO_MAY_MISALIGN_STMTS.
2040 (destroy_loop_vec_info): VEC_free for
2041 LOOP_VINFO_MAY_MISALIGN_STMTS.
2042 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2043 Update documentation.
2044 (vect_update_misalignment_for_peel): New.
2045 (vect_enhance_data_refs_alignment): Update to choose loop
2046 peeling or loop versioning if appropriate for the (potentially)
2047 unaligned data references in the loop.
2048 (vect_analyze_data_refs_alignment): Remove call to
2049 vect_enhance_data_refs_alignment so the checks can be done
2051 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2052 and move up call to vect_analyze_data_refs_alignment.
2053 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2054 (vect_transform_loop): Add call to loop_version.
2056 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2058 PR rtl-optimization/23098
2059 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2060 * simplify-rtx.c (constant_pool_reference_p): New function.
2061 * rtl.h (constant_pool_reference_p): New prototype.
2062 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2063 constant_pool_reference_p in condition and
2064 avoid_constant_pool_reference in preparation statements.
2066 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2068 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2069 STRICT_LOW_PART SETs.
2071 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2074 * except.c (sjlj_emit_function_enter): Find the function begin
2075 note even when it's not in first basic block.
2077 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2079 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2080 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2081 * aclocal.m4: Regenerate.
2083 2005-09-05 DJ Delorie <dj@redhat.com>
2085 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2088 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2090 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2091 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2092 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2093 Follow spelling conventions.
2094 * doc/invoke.texi: Follow spelling conventions.
2096 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2098 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2099 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2100 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2102 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2105 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2106 (output_stack_adjust): Use gen_tmp_stack_mem.
2107 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2108 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2109 (sh_get_pr_initial_val): Likewise.
2110 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2111 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2112 * sh.md (divsi_inv_m0): Use gen_const_mem.
2113 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2114 (movdf_i4+1): Use gen_tmp_stack_mem.
2115 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2116 (fpu_switch+2): Likewise.
2117 (movv4sf_i, movv16sf_i): Use adjust_address.
2118 (symGOT_load): Set MEM_NOTRAP_P bit.
2120 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2123 * pa.c (emit_move_sequence): Fix typo in last change.
2125 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2127 PR rtl-optimization/23454
2128 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2131 2005-09-03 Richard Henderson <rth@redhat.com>
2132 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2135 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2138 2005-09-02 Nicolas Pitre <nico@cam.org>
2140 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2141 to bit_count to 32 bits.
2143 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2146 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2147 generating synthetic loads from volatile lvalues.
2149 005-09-02 Nick Clifton <nickc@redhat.com>
2151 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2152 __ctzhi2, __clzhi2): New functions.
2154 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2157 * tree-nested.c (struct var_map_elt): Mark with GTY.
2158 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2160 (lookup_field_for_decl): Allocate new element in GC memory.
2161 (lookup_tramp_for_decl): Likewise.
2162 (convert_nl_goto_reference): Likewise
2163 (create_nesting_tree): Allocate info in GC memory. Likewise for
2165 (free_nesting_tree): Free with ggc_free instead of free.
2166 (root): New static variable.
2167 (lower_nested_functions): Remove root as local variable. And zero out
2168 root at the end of the function.
2170 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2172 PR rtl-optimization/20365
2173 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2174 to short. New member ix.
2175 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2176 (simplify_plus_minus): Initialize ix members before calling qsort.
2178 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2180 PR tree-optimization/23626
2181 * tree-cfg.c (replace_uses_by): Clean up eh info.
2183 2005-09-01 DJ Delorie <dj@redhat.com>
2185 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2188 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2190 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2191 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2194 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2196 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2197 do not issue warning for a variable definition following
2200 2005-09-01 Richard Henderson <rth@redhat.com>
2203 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2204 conversion to CONST_VECTOR.
2206 2005-09-01 Richard Henderson <rth@redhat.com>
2209 * reload1.c (reload_as_needed): Check !CALL_P before calling
2210 fixup_eh_region_note.
2211 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2213 2005-09-01 DJ Delorie <dj@redhat.com>
2215 * varasm.c (output_constant): Let the target resolve
2216 conversions of addresses to non-default pointer sizes.
2218 2005-09-01 Nicolas Pitre <nico@cam.org>
2220 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2221 to alow matching ARM pre-indexed addressing mode.
2222 (arm_override_options): Remove now irrelevant comment.
2224 2005-09-01 Phil Edwards <phil@codesourcery.com>
2226 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2227 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2228 * config/i386/vxworks.h: Likewise.
2229 * config/i386/t-vxworksae: New file, for VxWorks AE.
2230 * config/i386/vxworksae.h: Likewise.
2232 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2234 PR tree-optimization/23410
2235 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2236 sequence is not wrapping during the first step.
2238 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2241 * dwarf2out.c (base_type_die): Compare char_type_node with
2242 TYPE_MAIN_VARIANT (type), not type.
2244 2005-09-01 Richard Guenther <rguenther@suse.de>
2246 PR tree-optimization/15366
2247 * common.opt: Add -finline-functions-called-once.
2248 Put -fearly-inlining in alphabetically ordered place.
2249 * doc/invoke.texi: Document new option.
2250 * ipa-inline.c (cgraph_decide_inlining): Honour
2251 flag_inline_functions_called_once.
2253 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2255 PR rtl-optimization/23478
2256 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2257 (alloc_qty): Initialize it.
2258 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2259 (combine_regs): Combine also n_throwing_calls_crossed fields.
2260 (find_free_reg): Don't attempt to caller-save pseudos crossing
2261 calls that might throw.
2262 * global.c (struct allocno): Add throwing_calls_crossed field.
2263 (global_alloc): Revert 2005-08-22 change. Initialize
2264 throwing_calls_crossed.
2265 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2268 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2271 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2272 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2273 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2274 (and64_2_operand): Tweak to use predicate.
2275 (and_operand): Adjust for mask_operand changes.
2276 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2277 (print_operand): Likewise.
2278 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2279 (mask64_1or2_operand): Delete.
2280 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2281 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2282 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2283 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2284 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2285 (rotldi3_internal4): Likewise.
2286 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2287 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2288 (ashldi3_internal7): Likewise.
2289 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2290 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2291 (anddi3 split): Don't match mask64_operand.
2292 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2293 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2294 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2295 't' splitter predicate.
2296 (movdi_internal64 + 2): Revert 2005-06-11 change.
2298 2005-08-31 DJ Delorie <dj@redhat.com>
2300 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2301 (m32c_asm_integer): Add support for 32 bit pointers.
2303 2005-08-31 Richard Henderson <rth@redhat.com>
2305 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2306 component-like references for setting MEM_NOTRAP_P.
2308 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2309 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2311 2005-08-31 Richard Henderson <rth@redhat.com>
2313 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2314 into a pseudo before applying gen_lowpart.
2316 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2318 * doc/install.texi (Specific): Update cctools version required
2319 for full functionality.
2320 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2321 linkers as -macosx_version_min.
2323 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2326 * sh.c (print_operand, %R and %S): Add handling of floating point
2327 registers, memory, constants and invalid operands.
2329 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2331 * ipa-pure-const.c: Change dump name.
2333 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2336 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2337 to "reg_or_0_operand".
2338 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2340 2005-08-31 Dale Johannesen <dalej@apple.com>
2342 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2343 loops that count down.
2345 2005-08-31 Richard Henderson <rth@redhat.com>
2348 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2349 (fixup_eh_region_note): New.
2350 (reload_as_needed): Call it.
2351 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2352 don't call find_many_sub_basic_blocks; call verify_flow_info.
2353 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2354 (keep_stack_depressed): Likewise.
2355 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2357 2005-08-31 Richard Henderson <rth@redhat.com>
2359 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2362 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2364 * expr.c (expand_expr_real_1): Compare size of address
2365 mode to target's address mode size in deciding expansion of
2366 the constant address.
2368 2005-08-31 Richard Guenther <rguenther@suse.de>
2371 * expr.c (all_zeros_p): New function.
2372 (expand_expr_real_1): Handle the case of an all-zero
2373 non-addressable constructor separately.
2375 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2377 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2378 arguments, adjust all callers.
2379 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2381 2005-08-30 Richard Henderson <rth@redhat.com>
2384 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2385 whenever the mode sizes match.
2387 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2389 * calls.c (load_register_parameters): Fix comment typo.
2390 * expr.c (emit_push_insn): Comment formatting.
2392 2005-08-30 Ian Lance Taylor <ian@airs.com>
2394 * config/i386/x-cygwin (host-cygwin): Change dependency from
2395 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2397 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2399 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2402 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2405 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2406 call to ggc_collect.
2408 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2411 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2412 beginning. Remove $(INCLUDES) from all the rules, if following
2413 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2415 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2418 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2419 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2420 not constant, but maxlen is, don't set len to maxlen, rather
2421 set maxlen to len if len is a constant.
2423 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2425 PR tree-optimization/23475
2426 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2429 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2431 Fix PR middle-end/22455
2433 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2434 Checksum only the parts of the tree that exist for the tree code.
2436 2005-08-28 Dale Johannesen <dalej@apple.com>
2438 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2440 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2442 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2444 2005-08-28 Richard Henderson <rth@redhat.com>
2446 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2447 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2450 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2453 * builtins.c (get_memory_rtx): Don't strip nops
2454 in between COMPONENT_REFs.
2456 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2459 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2461 (gimplify_modify_expr): Check for zero sized types and gimplify the
2462 rhs and lhs as statements.
2464 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2467 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2468 state for return address column of signal frames.
2470 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2473 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2474 bytes >= 2 not bytes == 2.
2475 (expand_block_move): Same.
2477 2005-08-27 Richard Guenther <rguenther@suse.de>
2480 * config/i386/sse.md (sse2_movsd): Add missing closing
2483 2005-08-27 Paul Brook <paul@codesourcery.com>
2485 * genrecog.c (enum decision_type): Add DT_num_insns.
2486 (struct decision_test): Add u.num_insns.
2487 (add_to_sequence): Add DT_num_insns test.
2488 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2489 (write_cond, debug_decision_2): Ditto.
2490 (change_state): Assume peep2_next_insn never fails.
2491 Remove "afterward" argument.
2492 (write afterward, write_tree): Update to match.
2493 * recog.c (peep2_current_count): New variable.
2494 (peep2_next_insn): Check it.
2495 (peephole2_optimize): Set peep2_current_count.
2496 * recog.h (peep2_current_count): Declare.
2498 2005-08-26 Josh Conner <jconner@apple.com>
2501 * ipa-pure-const.c (check_tree): Check for volatile-ness
2502 when considering a dereference.
2504 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2506 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2508 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2510 PR rtl-optimization/23561
2511 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2512 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2513 at most LEN bytes long memory fits into the field.
2514 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2515 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2516 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2518 2005-08-26 Richard Henderson <rth@redhat.com>
2521 * loop.c (biased_biv_may_wrap_p): New.
2522 (maybe_eliminate_biv_1): Use it to suppress non-equality
2523 comparison transformations. Delete disabled code.
2525 2005-08-26 Ian Lance Taylor <ian@airs.com>
2527 * combine.c (make_extraction): Avoid reference outside object.
2529 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2531 * stor-layout.c (finalize_type_size): Restore behaviour for
2532 non-aggregate types to the status quo ante of the patch for
2533 pr 23467. Document why it matters.
2535 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2538 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2539 array by one element, initialize the BT_LAST element with NULL.
2541 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2543 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2544 optimizing for size.
2546 (compare_plus_eqsi): Same.
2547 (plus_eqsi_compare): Same.
2548 (neg_eq0<mode>): Same.
2549 (neg_eq<mode>): Same.
2551 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2554 2005-08-26 Nick Clifton <nickc@redhat.com>
2556 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2557 TARGET_EP is not defined.
2558 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2559 TARGET_EP is enabled.
2560 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2561 * config/v850/v850.md (save_all_interrupt): Only use the EP
2562 register if TARGET_EP is defined.
2563 (restore_all_interrupt): Likewise.
2564 * config/v850/lib1funcs.asm: Update functions so that the EP
2565 register is only used if __EP__ is defined.
2567 2005-08-26 David Ung <davidu@mips.com>
2569 * config/mips/mips.c (mips_expand_prologue): Handle case when
2570 generating for MIPS16 and the outgoing argument area is more than
2571 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2574 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2576 * config/crx/crx.md: Make doloop_end pattern usage controllable
2577 via mloop-nesting=<max-nesting> command line switch. Make sure
2578 the combiner cannot use doloop_end_<mode> in an illegal way.
2579 * config/crx/crx.c: Use regs up to r6 for argument passing.
2580 Refine crx_address_cost (non cst4 displacements are expensive).
2581 * config/crx/crx.opt: Add switch for mloop-nesting=.
2583 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2585 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2586 (UNSPEC_MVST): New constant.
2588 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2590 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2591 Reject operands containing eliminable registers.
2592 * testsuite/gcc.dg/20050825-1.c: New testcase.
2594 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2595 Jan Hubicka <jh@suse.cz>
2597 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2599 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2601 PR tree-optimization/23546
2602 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2605 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2607 * params.def (PARAM_MIN_SPEC_PROB): New.
2608 * sched-rgn.c (MIN_PROBABILITY): Delete.
2609 (compute_trg_info): Convert to PARAM_VALUE.
2610 * doc/invoke.texi (param): Document min-spec-prob.
2612 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2614 * config/darwin.h: define __PIC__
2615 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2616 TARGET_OS_CPP_BUILTINS macro.
2618 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2620 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2623 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2625 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2627 * cfghooks.c (duplicate_block): Added position where to place
2628 new block as argument.
2629 * cfghooks.h (duplicate_block): Declaration changed.
2630 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2632 * cfglayout.h (copy_bbs): Declaration changed.
2633 * cfgloop.h (loop_version): Declaration changed.
2634 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2635 position to copy_bbs.
2636 (loop_version): Pass position to duplicate_loop_to_header_edge.
2637 Add place_after argument and position new blocks according to
2639 * modulo-sched.c (sms_schedule): Pass place_after argument
2641 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2642 * tree-cfg.c (split_edge_bb_loc): New function.
2643 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2644 to determine position of new blocks.
2645 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2647 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2648 argument to duplicate_block.
2649 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2650 Pass position to copy_bbs.
2652 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2654 * fold-const.c (ptr_difference_const): Use
2655 cst_and_fits_in_hwi instead of host_integerp.
2657 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2659 * config/darwin.c (gen_pic_offset): New.
2660 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2663 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2665 PR tree-optimization/23486
2666 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2668 2005-08-23 Phil Edwards <phil@codesourcery.com>
2670 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2671 remove use_collect2.
2672 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2674 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2675 configuration files to override the default value.
2677 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2678 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2679 * config/vx-common.h: New file, split out from...
2680 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2681 * config/vxworksae.h: New file, for VxWorks AE.
2682 * config/vxworks.opt: New file.
2683 * config/vxlib.c: Update for VxWorks 6.
2685 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2686 other MULTILIB_* variables appropriately.
2687 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2688 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2689 * config/rs6000/vxworks.h: Update for VxWorks 6.
2690 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2692 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2695 * config/darwin.c (machopic_select_section): Remove the hack to
2696 mark "::operator new" and "::operator delete" for coalescing
2697 even though they are not weak.
2699 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2701 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2702 * configure: Regenerate.
2704 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2707 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2709 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2710 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2713 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2715 * config/rs6000/predicates.md (equality_operator): New.
2716 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2717 comparison with a large constant.
2719 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2721 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2723 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2725 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2726 registers is even, and we have a hardware double precision fp,
2728 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2729 size of current argument when checking if argument was passed in
2732 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2735 * stor-layout.c (finalize_type_size): Dont override
2736 existing alignment with a smaller alignment from the mode.
2738 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2740 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2741 * lambda.h (lambda_vector_lexico_pos): ... here.
2742 * tree-data-ref.c (build_classic_dist_vector): Return false when
2743 the distance vector is lexicographically negative.
2745 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2747 PR tree-optimization/23511
2748 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2749 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2751 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2753 PR tree-optimization/22043
2754 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2755 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2756 If ALLOW_FLEXARR, handle types ending with flexible array member.
2757 Pass false as second argument to recursive count_type_elements calls.
2758 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2759 argument to count_type_elements call.
2760 * tree-sra.c (decide_block_copy): Likewise.
2761 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2762 for a constant-sized object, set cleared as well. Pass true as
2763 second argument to count_type_elements call.
2765 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2768 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2769 from legitimate_small_data_p, and make global. Update use.
2770 Remove forward declaration.
2771 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2773 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2775 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2777 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2778 of scratch intermediates.
2779 (eq<mode>_compare): Same.
2780 (neg_eq0<mode>): New.
2781 (neg_eq<mode>): Convert to define_insn_and_split.
2783 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2786 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2787 stdarg functions, set/clear the fp marker even when no variable
2789 * config/rs6000/sysv4.opt (mprototype): Describe.
2791 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2793 PR rtl-optimization/23478
2794 * regs.h (reg_info): Add throw_calls_crossed.
2795 (REG_N_THROWING_CALLS_CROSSED): Define.
2796 * flow.c (allocate_reg_life_data): Initialize
2797 REG_N_THROWING_CALLS_CROSSED.
2798 (propagate_one_insn, attempt_auto_inc): Update
2799 REG_N_THROWING_CALLS_CROSSED.
2800 * global.c (global_alloc): Don't allocate pseudos across
2801 calls that may throw.
2803 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2806 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2807 value is inbetween the range if we did not find an exact match.
2809 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2811 * doc/invoke.texi (Option Summary): Add ms1 options.
2812 * doc/extend.texi: Document interrupt handler attribute for ms1.
2813 * doc/md.texi: Document ms1 constraints.
2814 * config.gcc: Add ms1-*-elf.
2815 * config/ms1/ms1.h: New.
2816 * config/ms1/ms1.c: New.
2817 * config/ms1/ms1.md: New.
2818 * config/ms1/ms1-protos.h: New.
2819 * config/ms1/ABI.txt: New.
2820 * config/ms1/crti.asm: New.
2821 * config/ms1/crtn.asm: New.
2822 * config/ms1/lib2extra-funcs.c: New.
2823 * config/ms1/t-ms1: New.
2824 * config/ms1/ms1.opt: New.
2826 2005-08-22 Ira Rosen <irar@il.ibm.com>
2828 * config/rs6000/altivec.md (xorv4sf3): New.
2829 (negv4sf2, neg<mode>2): Likewise.
2831 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2834 * config/ia64/ia64.md (divsi3): Check divide by zero.
2835 (udivsi3): Likewise.
2837 (udivdi3): Likewise.
2839 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2841 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2842 up to elem_bitsize bits, not max_bitsize.
2844 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2846 PR tree-optimization/23433
2847 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2848 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2850 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2852 PR tree-optimization/23434
2853 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2854 the iteration bound is not an INTEGER_CST.
2856 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2858 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2859 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2860 NULL if need_epilog_adjust is false.
2861 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2862 Case 3 always peels first itration, not just for PLUS case, and no need
2863 to use scalar_initial_def here. Create an epilog adjustment only if
2864 scalar_initial_def is not NULL.
2866 (vectorizable_reduction): Remove assert.
2868 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2871 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2872 (__moddi3): Likewise.
2873 (__udivdi3): Likewise.
2874 (__umoddi3): Likewise.
2875 (__divsi3): Likewise.
2876 (__modsi3): Likewise.
2877 (__udivsi3): Likewise.
2878 (__umodsi3): Likewise.
2880 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2882 * tree-pass.h (TDF_GRAPH): Define.
2883 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2884 * passes.c (finish_optimization_passes): Only call
2885 finish_graph_dump_file if TDF_GRAPH is set.
2886 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2887 NULL. Set TDF_GRAPH bit.
2888 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2890 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2892 * arm.h (arm_stack_offsets): Add locals_base field.
2893 * arm.c (arm_get_frame_offsets): Compute it.
2894 (thumb_compute_initial_elimination offset): Make the Thumb frame
2895 pointer point to the base of the local variables.
2896 (thumb_expand_prologue): Update accordingly.
2897 (thumb_expand_epilogue): Likewise.
2899 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2900 mode of clobbered scratch to DImode. Handle a case that's known to
2903 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2905 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2906 (gt0<mode>_compare): Delete.
2907 (neg_gt0<mode>): Delete.
2909 2005-08-19 Eric Christopher <echristo@apple.com>
2911 * optabs.h: Change CTI_ to COI_.
2914 2005-08-19 James E Wilson <wilson@specifix.com>
2916 * builtins.c (expand_builtin_return_addr): Set
2917 current_function_accesses_prior_frames when count != 0. Use
2918 frame_pointer_rtx when count == 0.
2919 * function.h (struct function): Add accesses_prior_frames field.
2920 (current_function_accesses_prior_frames): Define.
2921 * reload1.c (init_elim_table): Check
2922 current_function_accesses_prior_frames.
2923 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2925 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2927 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2928 indicator. Return true if the flowgraph changed during
2931 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2934 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2935 conditional expression before testing its value.
2937 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2939 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2941 2005-08-19 Devang Patel <dpatel@apple.com>
2943 PR tree-optimization/23048
2944 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2945 third parameter. Check whether latch is dominated by exit
2947 (if_convertible_loop_p): Supply exit block itself to
2948 if_convertible_bb_p.
2950 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2953 * arm.md (arm_load_pic_register): Change argument to the mask of
2954 saved registers. Call thumb_find_work_register if we need a
2955 scratch register on Thumb.
2956 (arm_expand_prologue): Pass empty register set to
2957 arm_load_pic_register.
2958 (thumb_expand_prologue): Pass live_regs_mask directly to
2959 arm_load_pic_register.
2960 * arm-protos.h (arm_load_pic_register): Update prototype.
2962 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2964 * sh.c (find_sole_member): New function.
2965 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2966 if the record's alignment is larger than the size of its only member.
2968 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2971 * arm.c (thumb_legitimize_reload_address): New function.
2972 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2973 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2975 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2977 * config/crx/crx.c: Implement crx_decompose_address. Reject
2978 symbolic displacements since CRX register relative adressing
2979 mode can't handle unsigned 32-bit values as displacements.
2980 * config/crx/crx.h: Simplify definitions, remove redundant
2981 parenthesis and obsolete macros.
2982 * config/crx/crx.opt: Add new switch for debugging addresses.
2983 * config/crx/crx-protos.h: Add new declarations for above.
2985 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2988 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2991 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2993 * collect2.c (dup2): Delete.
2994 * configure.ac: Don't check for dup2.
2996 * config.in, configure: Regenerate.
2998 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3000 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3001 record with the type of its only member.
3003 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3005 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3006 define_insn_and_split.
3007 (plus_ltu<mode>_compare): Same.
3008 (gtu<mode>_compare): Same.
3009 (plus_gtu<mode>_compare): Same.
3011 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3013 PR tree-optimization/22228
3014 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3016 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3017 are recorded in vect_vnames_to_rename for renaming.
3018 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3019 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3020 in vect_vnames_to_rename.
3021 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3022 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3024 2005-08-18 Jan Hubicka <jh@suse.cz>
3027 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3028 info only for local statics, not for member variables.
3030 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3032 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3034 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3036 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3038 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3041 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3043 2005-08-17 James E Wilson <wilson@specifix.com>
3045 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3048 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3050 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3051 (leu<mode>_compare): Same.
3052 (plus_leu<mode>): Same.
3053 (neg_leu<mode>): Same.
3054 (and_neg_leu<mode): Same.
3055 (ltu<mode>_compare): Same.
3056 (plus_ltu<mode>): Same.
3058 (geu<mode>_compare): Same.
3059 (plus_geu<mode>): Same.
3060 (neg_geu<mode>): Same.
3061 (and_neg_geu<mode>): Same.
3062 (plus_gt<mode>): Same.
3063 (gtu<mode>_compare): Same.
3064 (plus_gtu<mode>): Same.
3066 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3068 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3069 Move call_table_data to end. Delete spurious .text.
3070 (callt_save_all_interrupt): Fix comment typo.
3072 2005-08-17 James E Wilson <wilson@specifix.com>
3073 Kevin Winchester <winchester@amirix.com>
3076 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3078 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3081 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3082 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3084 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3086 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3087 record with the type of its only member if the modes don't match.
3089 * varasm.c (decode_reg_name): Skip empty additional register names.
3091 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3093 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3094 lsm_tmp_name_length): New.
3095 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3096 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3098 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3099 Andreas Krebbel <krebbel1@de.ibm.com>
3101 * config.gcc: Added z9-109 switch.
3102 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3103 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3104 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3105 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3106 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3107 for "z9_109" cpu attribute.
3108 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3109 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3110 (s390_handle_arch_option): Added z9-109 switch.
3111 (override_options): Set respective cost function for z9-109.
3112 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3113 (legitimate_reload_constant_p): Accept extended immediates.
3114 (print_operand): Three new output modifiers added: k, m and o.
3115 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3116 (s390_output_mi_thunk): Use extended immediate when possible.
3117 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3118 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3119 (CONSTRAINT_LEN): Added length of O constraint.
3120 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3121 * config/s390/s390.md ("cpu"): New value z9_109 added.
3122 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3123 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3124 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3125 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3126 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3127 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3128 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3129 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3130 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3131 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3132 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3133 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3134 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3135 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3136 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3138 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3139 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3140 insns for TARGET_EXTIMM.
3142 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3144 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3146 2005-08-17 Nick Clifton <nickc@redhat.com>
3148 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3149 Call default_encode_section_info.
3151 2005-08-17 Steven Bosscher <stevenb@suse.de>
3153 PR tree-optimization/21574
3154 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3155 constant, return CONSTANT.
3156 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3157 (ccp_fold, visit_assignment): Likewise.
3158 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3160 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3162 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3163 fold_buildN instead of buildN then fold_initializer or fold.
3164 (build_unary_op): Likewise.
3165 (build_binary_op): Likewise.
3166 * fold-const.c (fold_initializer): Remove.
3167 (fold_build1_initializer): New function.
3168 (fold_build2_initializer): New function.
3169 (fold_build3_initializer): New function.
3170 * tree.h (fold_initializer): Remove.
3171 (fold_build1_initializer): New function.
3172 (fold_build2_initializer): New function.
3173 (fold_build3_initializer): New function.
3175 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3177 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3178 (try_move_mult_to_index): Call fold_build2 instead of build2.
3179 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3180 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3181 fold_binary_to_constant.
3182 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3184 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3185 check if A == gcd (A, B). Remove TYPE argument.
3186 (analyze_offset) Use fold_build2 instead of fold (build.
3187 (create_data_ref): Likewise.
3188 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3189 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3192 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3194 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3195 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3197 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3200 * gimplify.c (zero_sized_type): New function.
3201 (gimplify_modify_expr_rhs): If we have a zero sized type,
3202 replace the statement with an empty statement.
3204 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3206 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3209 2005-08-16 Ian Lance Taylor <ian@airs.com>
3211 * doc/tm.texi (Label Output): Correct typo.
3213 2005-08-16 Steven Bosscher <stevenb@suse.de>
3216 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3217 force_operand will work later on using have_insn_for.
3219 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3221 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3223 2005-08-16 Ian Lance Taylor <ian@airs.com>
3226 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3227 vector type, don't try to construct it element by element. Add an
3228 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3230 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3232 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3234 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3236 * doc/invoke.texi (Precompiled Headers): Document some more options
3237 which are known to be safe.
3239 2005-08-16 James E Wilson <wilson@specifix.com>
3241 PR tree-optimization/21105
3242 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3243 TREE_OVERFLOW check.
3245 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3247 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3248 (neg_ltu<mode>): Same.
3250 (neg_gtu<mode>): Same.
3252 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3254 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3255 (fold_builtin_isdigit): Use fold_buildN.
3256 (build_function_call_expr): Likewise.
3257 * c-typeck.c (c_finish_loop): Likewise.
3259 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3260 Richard Shann <rshann@superh.com>
3262 PR middle-end/20396:
3263 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3265 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3267 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3269 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3272 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3273 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3276 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3279 * fold-const.c (build_range_check): Disable optimization for function
3280 pointer expressions on targets that require function pointer
3283 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3285 * simplify-rtx.c (simplify_const_relational_operation): When
3286 extracting arguments of a COMPARE, recompute the mode as well.
3288 2005-08-15 Ian Lance Taylor <ian@airs.com>
3290 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3292 2005-08-15 DJ Delorie <dj@redhat.com>
3294 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3296 (movsi_splittable): Allow, but split, moves to the stack.
3297 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3300 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3303 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3304 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3306 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3307 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3308 Delete HOST_PTR_PRINTF.
3310 * configure, config.in: Regenerate.
3312 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3314 * config/rs6000/rs6000.md (QHSI): New mode macro.
3315 (wd): Extend mode attr for QImode and HImode
3316 (dbits): New mode attr.
3317 (zero_extend<mode>di2): Convert to mode macro.
3319 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3322 * doc/invoke.texi (-mgnu-ld): Update description.
3325 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3328 * Makefile.in (tree-chrec.o): Depends on real.h.
3329 * tree-chrec.c: Include real.h.
3330 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3331 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3332 * tree-scalar-evolution.c (add_to_evolution_1,
3333 interpret_rhs_modify_expr): Ditto.
3335 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3338 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3339 step is negative compute the estimation from init downwards to zero.
3341 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3343 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3345 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3347 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3349 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3350 Accept double-word constants that can be split.
3351 * config/s390/s390.md ("movti"): Use 'P' constraint.
3352 ("*movdi_31", "*movdf_31"): Likewise.
3354 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3356 Fix PR tree-optimization/22615
3358 * tree-ssa-structalias.c (solution_set_add): Handle
3359 first_vi_for_offset returning NULL.
3360 (do_da_constraint): Ditto.
3361 (do_sd_constraint): Ditto.
3362 (do_ds_constraint): Ditto
3363 (find_func_aliases): Ditto.
3364 (build_constraint_graph): RHS is allowed be ANYTHING.
3365 (first_vi_for_offset): Return NULL if we couldn't find anything at
3368 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3370 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3371 over memory as first operand.
3373 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3376 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3377 available for setting it.
3379 2005-08-14 Ira Rosen <irar@il.ibm.com>
3381 PR tree-optimization/23320
3382 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3383 data-refs' types instead of base object nullness. Add check for
3384 pointer type data-refs before first location comparison. Remove
3387 2005-08-14 Andreas Schwab <schwab@suse.de>
3389 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3391 2005-08-13 James E Wilson <wilson@specifix.com>
3393 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3394 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3395 -fstack-protector-all, --param ssp-buffer-size): Document.
3396 (-Wvariadic-macros): Alphabetize.
3397 (-fsched-stalled-insns-dep): Add missing 'f'.
3399 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3402 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3404 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3405 or indirect address operand.
3406 (EXTRA_ADDRESS_CONSTRAINT): New.
3407 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3409 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3411 PR tree-optimization/22236
3412 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3413 successors and predecessors.
3414 * tree-chrec.c (chrec_convert): Before converting, check that
3415 sequences don't wrap.
3416 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3417 (analyze_array): Extern.
3418 (find_data_references_in_loop): Remove call to
3419 compute_estimated_nb_iterations.
3420 * tree-data-ref.h (analyze_array): Declared.
3421 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3422 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3423 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3424 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3426 * tree-ssa-loop-ivcanon.c: Fix documentation.
3427 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3428 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3429 (infer_loop_bounds_from_undefined): New.
3430 (estimate_numbers_of_iterations_loop): Use
3431 infer_loop_bounds_from_undefined.
3432 (used_in_pointer_arithmetic_p): New.
3433 (scev_probably_wraps_p): Pass an extra parameter. Call
3434 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3435 (convert_step): Fix documentation.
3436 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3437 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3438 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3439 scev_probably_wraps_p.
3441 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3443 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3444 (s390_register_info): Ignore clobbered_regs information for fixed
3445 registers, and only fixed registers.
3446 (s390_init_frame_layout): Remove redundant call.
3448 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3450 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3451 description of -Wold-style-casts.
3453 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3454 Jakub Jelinek <jakub@redhat.com>
3456 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3457 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3458 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3459 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3460 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3461 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3462 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3463 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3464 ("stack_protect_set", "stack_protect_test"): New expanders.
3465 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3466 "stack_protect_testdi"): New insn definitions.
3468 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3470 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3472 2005-08-12 Paul Brook <paul@codesourcery.com>
3474 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3476 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3478 * config/s390/predicates.md (setmem_operand): New predicate.
3479 (shift_count_operand): Accept ANDs with special constants as
3481 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3482 with special constants.
3483 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3484 shift_count_operand with setmem_operand.
3486 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3488 * config/s390/s390.c (s390_extract_part, s390_single_part):
3490 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3491 (s390_output_mi_thunk): Don't use lg on 31 bit.
3492 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3493 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3495 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3497 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3498 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3499 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3500 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3501 with one of the new macros.
3503 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3505 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3506 Don't set save_return_addr_p.
3507 (s390_register_info): Make clobbered_regs not depending on
3510 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3512 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3513 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3515 2005-08-11 James E. Wilson <wilson@specifix.com>
3517 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3519 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3521 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3522 locations gathered by var-tracking in single entry loc_list
3523 over loc_descriptor_from_tree.
3525 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3526 pass it down to loc_descriptor.
3527 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3528 (containing_function_has_frame_base): Move earlier in the file.
3529 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3530 instead of always assuming fbreg can't be used.
3532 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3534 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3535 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3536 Accept address wrapped in AND for Altivec.
3537 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3538 Strip AND wrapping offset address for Altivec.
3540 2005-08-11 Richard Henderson <rth@redhat.com>
3543 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3544 before using TYPE_IS_SIZETYPE.
3546 2005-08-11 Richard Henderson <rth@redhat.com>
3549 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3550 insn types not present on ev4.
3551 (alphaev5_insn_pipe): Similarly.
3553 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3556 * arm.c (arm_override_options): If the user has selected callee-super-
3557 interworking, then enable normal interworking.
3559 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3561 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3564 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3566 * doc/rtl.texi: Fix two typos.
3568 2005-08-11 Richard Guenther <rguenther@suse.de>
3571 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3572 cases where we call to/from functions returning void.
3574 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3577 * tree.c (build_pointer_type_for_mode): Robustify.
3579 2005-08-10 James E Wilson <wilson@specifix.com>
3581 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3582 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3584 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3587 2005-08-10 Eric Christopher <echristo@apple.com>
3589 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3590 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3593 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3596 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3597 for the high part when generating dynamic-no-pic code.
3599 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3601 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3602 (x86_64-*-linux*): Likewise.
3604 * config/i386/crtfastmath.c: New file.
3605 * config/i386/t-crtfm: Likewise.
3607 * config/i386/linux.h (ENDFILE_SPEC): New.
3608 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3610 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3613 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3615 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3616 (vec_shl, vec_shr): Document new operations.
3617 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3619 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3621 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3622 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3623 change predicate to indexed_or_indirect_address.
3625 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3627 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3628 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3629 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3630 and __aeabi_uwrite8.
3631 * config/arm/unaligned-funcs.c: New file.
3632 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3634 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3636 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3638 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3639 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3641 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3642 * final.c (pass_shorten_branches): Add dump.
3643 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3644 (pass_life): Rename dump.
3645 (rest_of_handle_flow2): Remove initial verify_flow_info.
3646 * function.c (pass_instantiate_virtual_regs): Add dump.
3647 * integrate.c (pass_initial_value_sets): Add dump.
3648 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3649 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3650 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3651 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3652 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3653 gate_rtl_unrool_and_peel_loops): New.
3654 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3655 rtl_doloop): Do not look at flags.
3656 * mode-switching.c (pass_mode_switching): Add dump.
3657 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3658 pass_split_before_regstack): Add dump.
3659 * regmove.c (pass_stack_adjustments): Add dump.
3660 * tree-optimize.c (pass_fixup_cfg): Add dump.
3662 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3665 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3666 deciding which instruction sequence to use.
3668 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3670 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3671 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3673 2005-08-09 Richard Guenther <rguenther@suse.de>
3675 * c-common.c (builtin_function_2): Remove.
3676 (def_builtin_1): New function.
3677 (c_common_nodes_and_builtins): Use def_builtin_1 to
3678 build builtin functions.
3680 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3682 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3683 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3684 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3687 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3689 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3690 fold_binary instead of fold_build2 since we don't care about the
3692 (loop_niter_by_eval): Likewise.
3693 (compare_trees): Likewise.
3694 (proved_non_wrapping_p): Likewise.
3696 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3700 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3701 if the if is really empty.
3703 2005-08-09 Steven Bosscher <stevenb@suse.de>
3705 PR tree-optimization/23234
3706 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3707 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3708 argument of the new enum.
3709 (execute_cse_reciprocals): Add reciprocals for function arguments
3710 on the unique successor edge of the entry block. Update other calls
3711 to execute_cse_reciprocals_1.
3713 2005-08-08 Richard Henderson <rth@redhat.com>
3716 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3718 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3720 * expr.c (write_complex_part): Return after handling MEM.
3722 2005-08-08 Josh Conner <jconner@apple.com>
3724 PR rtl-optimization/23241
3725 * combine.c (simplify_comparison): Fix error in determining
3726 whether to lift a subreg from comparison.
3728 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3731 * config/rs6000/altivec.md (vec_init<mode>): New.
3732 (vec_set<mode>): New.
3733 (vec_extract<mode>): New.
3734 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3735 (rs6000_expand_vector_set): New.
3736 (rs6000_expand_vector_extract): New.
3737 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3738 for Altivec modes before reload.
3739 (altivec_expand_vec_init_builtin): New.
3740 (get_element_number): New.
3741 (altivec_expand_vec_set_builtin): New.
3742 (altivec_expand_vec_ext_builtin): New.
3743 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3745 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3747 * config/rs6000/rs6000.h (rs6000_builtins): Add
3748 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3749 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3750 * config/rs6000/rs6000-protos.h: Declare new functions.
3752 2005-08-08 Jan Hubicka <jh@suse.cz>
3754 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3755 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3756 * i386.md (movdi*): Use pic_32bit_operand.
3757 * predicates.md (pic_32bit_operand): New.
3759 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3762 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3764 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3766 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3767 (test_for_singularity): Use fold_build2.
3769 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3771 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3773 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3775 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3776 (COMMON_ASM_OP) Define.
3777 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3778 (ix86_encode_section_info): Likewise.
3779 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3780 SUBTARGET_ENCODE_SECTION_INFO.
3782 2005-08-06 Richard Henderson <rth@redhat.com>
3785 * tree-nested.c (convert_local_reference): Save and restore val_only
3786 around component_ref and friends. Clear walk_subtrees by default.
3788 2005-08-06 Peter O'Gorman <peter@pogma.com>
3791 * gcc.c (process_command): Check the argument to -b has a dash.
3792 * doc/invoke.texi: Update -b and -V docs.
3794 2005-08-06 James E Wilson <wilson@specifix.com>
3796 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3798 2005-08-06 Michael Matz <matz@suse.de>
3800 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3801 member only if only one insn is associated with the value.
3803 2005-08-06 Nick Clifton <nickc@redhat.com>
3805 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3807 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3808 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3809 Check symbol flags instead of symbol name mangling.
3810 (xstormy16_asm_output_aligned_common): Likewise. Also
3811 simplify code since the bss100_section cass is the only case
3812 where the below100 code will be triggered.
3813 (xstormy16_encode_section_info): Encode below100 attribute
3814 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3816 (xstormy16_strip_name_encoding): Delete - this function is no
3818 (TARGET_STRIP_NAME_ENCODING): Undefine.
3819 * config/stormy16/stormy16-protos.h: Delete prototype for
3820 xstormy16_strip_name_encoding.
3822 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3824 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3825 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3826 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3827 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3828 config/alpha/predicates.md, config/arc/arc.h,
3829 config/arm/arm.h, config/arm/ieee754-df.S,
3830 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3831 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3832 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3833 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3834 config/m68hc11/m68hc11.h, config/mips/mips.c,
3835 config/mips/mips.h, config/mips/openbsd.h,
3836 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3837 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3838 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3839 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3840 config/sparc/linux.h, config/sparc/linux64.h,
3841 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3842 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3843 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3844 typos. Follow spelling conventions.
3846 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3849 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3850 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3851 specially. Check for side effects only for COND_EXPR.
3852 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3853 return with TREE_NO_WARNING.
3855 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3857 PR rtl-optimization/23233
3858 * loop.c (combine_movables): Require the modes to be the same.
3859 (move_movables): Remove handling of cases where the replacement
3860 had a different mode to the original.
3862 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3864 PR tree-optimization/23128
3865 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3866 subtraction wrap, and set TREE_OVERFLOW if they do.
3868 2005-08-05 Richard Henderson <rth@redhat.com>
3871 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3872 FORCED_LABEL labels.
3874 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3877 * reload.c (find_reloads_subreg_address): Pass down TYPE
3878 unchanged. Change all callers except find_reloads_toplev.
3880 2005-08-05 Michael Matz <matz@suse.de>
3882 * genattrtab.c (current_alternative_string): Remove.
3883 (SIMPLIFY_ALTERNATIVE): Ditto.
3884 (attr_alt_bit_p): Ditto.
3885 (alternative_name): Make const char *.
3886 (evaluate_eq_attr): Remove use of above things.
3887 (simplify_test_exp): Ditto.
3888 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3889 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3891 2005-08-04 James E Wilson <wilson@specifix.com>
3893 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3894 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3895 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3896 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3897 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3899 2005-08-04 Richard Henderson <rth@redhat.com>
3902 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3903 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3904 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3905 if we'd have to instantiate too many members.
3907 2005-08-04 Richard Henderson <rth@redhat.com>
3910 * tree-outof-ssa.c (coalesce_asm_operands): New.
3911 (coalesce_ssa_name): Use it. Split out ...
3912 (coalesce_phi_operands, coalesce_result_decls): ... these.
3914 2005-08-04 Paul Brook <paul@codesourcery.com>
3916 * read-rtl.c (read_quoted_string): Break if EOF.
3918 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3920 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3921 (fold_build2): Likewise.
3922 (fold_build3): Likewise.
3923 (fold_build1_stat): New function prototype.
3924 (fold_build2_stat): Likewise.
3925 (fold_build3_stat): Likewise.
3926 * fold-const.c (fold_build1): Rename to ..
3927 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3928 through to build1_stat.
3929 (fold_build2): Rename to ..
3930 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3931 through to build2_stat.
3932 (fold_build3): Rename to ..
3933 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3934 through to build3_stat.
3936 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3937 Ian Lance Taylor <ian@airs.com>
3939 * function.c (assign_stack_local_1): Do not correct stack slot
3940 address if allocation size is smaller than mode size.
3942 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3945 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3946 (tree_merge_blocks): Propagate anything allowed by
3948 Clarify documentation.
3949 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3950 SSA form, schedule an update if necessary.
3952 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3954 * doc/install.texi (Binaries): Remove broken link to
3955 Sinix/Reliant Unix binaries.
3957 2005-08-03 Richard Henderson <rth@redhat.com>
3960 * function.c (stack_protect_epilogue): Export.
3961 * tree.h (stack_protect_epilogue): Declare.
3962 * calls.c (expand_call): Call it.
3964 2005-08-03 Eric Christopher <echristo@apple.com>
3966 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3967 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3970 2005-08-04 Jan Hubicka <jh@suse.cz>
3972 * profile.c (branch_prob): Split edges with goto locus on them
3973 to get proper line counts.
3974 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3976 2005-08-03 Paul Brook <paul@codesourcery.com>
3978 * function.c (assign_parms): Round current_function_args_size
3979 to PARM_BOUNDARY, not STACK_BOUNDARY.
3981 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3983 * config/i386/i386.c (x86_elf_aligned_common)
3984 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3986 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3988 PR tree-optimization/23157
3989 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3990 before emitting them.
3992 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3994 PR tree-optimization/19899
3995 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3996 * tree-scalar-evolution.c: Include real.h.
3997 (add_to_evolution): Build constant -1 of correct type.
3999 2005-08-03 Jan Hubicka <jh@suse.cz>
4001 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4002 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4003 profile updating for complette unrolling.
4004 * loop-unroll.c (peel_loop_completely): Use it.
4005 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4006 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4009 2005-08-03 Paul Brook <paul@codesourcery.com>
4011 * combine.c (can_change_dest_mode): New function.
4012 (try_combine, simplify_set): Use it.
4014 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4016 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4019 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4021 * doc/install.texi (Specific): Adjust link to openavr.org.
4022 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4023 (Binaries): Adjust HP-UX Porting Center link.
4024 (Binaries): Adjust Free Software Foundation ordering link.
4026 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4028 * convert.c (convert_to_integer): Use fold_build1 instead of
4029 build1 when converting an integer to an integer.
4031 2005-08-02 Richard Henderson <rth@redhat.com>
4033 * combine.c (combine_instructions): Don't use reg_equal/equiv
4034 results if the mode doesn't match.
4036 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4038 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4039 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4041 2005-08-02 Richard Henderson <rth@redhat.com>
4044 * explow.c (memory_address): Remove special-case for
4045 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4047 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4050 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4051 number of calls to cleanup_tree_cfg_1.
4053 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4055 * doc/invoke.texi: document file extensions .F90 and .F95
4057 2005-08-02 Richard Guenther <rguenther@suse.de>
4059 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4060 positive if its first argument is positive.
4062 2005-08-02 Richard Guenther <rguenther@suse.de>
4064 PR tree-optimization/23177
4065 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4068 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4070 PR tree-optimization/23129
4071 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4072 varying for divisions with anti-ranges.
4074 2005-08-02 Jan Hubicka <jh@suse.cz>
4076 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4077 * tree-ssa-threadupdate.c (thread_block): Add it here.
4079 2005-08-01 James E Wilson <wilson@specifix.com>
4081 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4082 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4083 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4085 * config/mips/predicates.md (const_call_insn_operand): Add check for
4086 SYMBOL_REF_LONG_CALL_P.
4087 * doc/extend.texi (long_call): Document the new attribute.
4089 2005-08-01 Ian Lance Taylor <ian@airs.com>
4090 Richard Henderson <rth@redhat.com>
4092 * Makefile.in (RTL_BASE_H): Add real.h.
4093 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4095 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4097 * rtl.c (rtl_check_failed_code_mode): New.
4098 * rtl.h (struct rtx_def): Add u.rv.
4099 (XCMWINT, XCNMPRV): New.
4100 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4101 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4103 2005-08-01 Richard Henderson <rth@redhat.com>
4105 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4106 with auto-inc codes.
4108 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4110 2005-08-01 Jan Hubicka <jh@suse.cz>
4112 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4113 * i386.c: Include dwarf2.h
4114 (asm_preferred_eh_data_format): New.
4115 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4117 2005-08-01 Ian Lance Taylor <ian@airs.com>
4119 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4120 randomize_va_space for virtual address randomization control.
4122 2005-08-01 Steven Bosscher <stevenb@suse.de>
4124 * common.opt (flag_ipa_cp): Put in right place to maintain
4127 2005-08-01 Jan Hubicka <jh@suse.cz>
4129 * profile.c (compute_value_histograms): Fix thinko.
4130 * value-prof.c: Include toplev.h
4131 (check_counter): New function.
4132 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4133 tree_mod_subtract_transform): Add sanity check.
4135 2005-08-01 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/23133
4138 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4139 current functions parameter decls to find defs to cse
4142 2005-08-01 Richard Guenther <rguenther@suse.de>
4144 PR tree-optimization/23109
4145 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4146 If trapping math is in effect, use post-dominator information
4147 to check if we'd in any case reach a trapping point before
4148 doing the reciprocal insertion.
4149 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4150 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4151 expressions are invariant only if trapping math is not in effect.
4153 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4155 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4156 cgraph_function_versioning): New declarations.
4157 * cgraphunit.c: Add include to ipa-prop.h.
4158 (update_call_expr, cgraph_copy_node_for_versioning,
4159 cgraph_function_versioning): New functions.
4160 * integrate.c (copy_decl_for_inlining): Remove.
4161 * ipa-prop.h (ipa_replace_map): New struct.
4162 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4163 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4164 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4165 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4166 ipcp_iterate_stage, ipcp_method_scale_print,
4167 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4168 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4169 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4170 ipcp_update_bb_counts, ipcp_update_profiling,
4171 ipcp_update_edges_counts): New functions.
4172 (ipcp_method_cval_init): Remove restriction regarding local methods.
4173 (ipcp_init_stage): Add ipcp_method_compute_scale.
4174 (ipcp_insert_stage): Add versioning.
4175 (ipcp_structures_print): Add ipcp_method_scale_print.
4176 (ipcp_driver): Dump profiling info.
4177 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4178 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4179 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4180 (struct inline_data): Add versioning_p, ipa_info, new fields.
4181 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4182 declare_return_variable): Replace calls to copy_decl_for_inlining with
4184 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4186 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4187 Add argument VERSIONING.
4188 (copy_arguments_for_versioning, copy_static_chain,
4189 function_versionable_p, tree_versionable_function_p,
4190 tree_function_versioning, replace_ref_tree): New functions.
4191 * tree-inline.h: Include varray.h.
4192 (tree_versionable_function_p, tree_function_versioning,
4193 tree copy_decl_for_dup): New declarations.
4195 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4197 * ipa-cp.c: New file. Contains IPCP specific functionality.
4198 * ipa-prop.h: New file. Contains structures/definitions that can be
4199 used by several interprocedural data flow optimizations (and also IPCP).
4200 * ipa-prop.c: New file.
4201 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4202 * common.opt: Add ipa-cp flag.
4203 * timevar.def: Add IPCP optimization.
4204 * tree-optimize.c (init_tree_optimization_passes): Schedule
4206 * tree-pass.h (pass_ipa_cp): Declare.
4208 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4210 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4211 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4212 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4213 config/i386/i386.c, config/mips/mips.h,
4214 config/rs6000/rs6000.h, config/sh/sh.c,
4215 config/stormy16/stormy16.c: Fix comment typos.
4217 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4220 * c-typeck.c (build_binary_op): Use common_type wrapper on
4222 (common_type): Update comment.
4224 2005-07-31 Steven Bosscher <stevenb@suse.de>
4227 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4228 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4229 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4231 2005-07-31 Jan Hubicka <jh@suse.cz>
4233 * pretty-print.h (pp_widest_integer): New macro.
4234 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4237 2005-07-31 Jan Hubicka <jh@suse.cz>
4239 * output.h (enum section_category): Export from varasm.c
4240 (categorize_decl_for_section): Likewise.
4241 * varasm.c (enum section_category): Kill.
4242 (categorize_decl_for_section): Make global.
4243 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4245 * i386.c (ix86_section_threshold): New static variable.
4246 (ix86_in_large_data_p, ix86_encode_section_info,
4247 x86_64_elf_unique_section,
4248 x86_64_elf_select_section): New functions.
4249 (TARGET_ENCODE_SECTION_INFO): Define
4250 (override_options): Enable medium model for PIC.
4251 (ix86_expand_prologue): Expand gen_set_got_rex64.
4252 (legitimate_constant_p): Handle new UNSPECs.
4253 (legitimate_pic_address_disp_p): Likewise.
4254 (legitimize_pic_address): Lower MEDIUM model addressing.
4255 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4256 (enum cmodel): Add MEDIUM_PIC.
4257 (SYMBOL_REF_FAR_ADDR_P): New macro.
4258 (SYMBOL_FLAG_FAR_ADDR): New flag.
4259 * i386.md (movdi): Support medium model.
4260 (set_got_rex64): New pattern.
4261 * i386.opt (mlarge-data-threshold): New flag.
4262 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4263 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4264 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4265 TARGET_ASM_UNIQUE_SECTION): New.
4267 * invoke.texi (-mlarge_data_threshold): Document
4269 2005-07-31 Jan Hubicka <jh@suse.cz>
4271 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4272 (coalesce_vars): Likewise.
4273 * tree-ssa-live.c (coalesce_cost): New.
4274 (build_tree_conflict_graph): Use coalesce_cost.
4275 * tree-ssa-live.h (coalesce_cost): Declare.
4277 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4279 * arm.md (all peepholes for post-increment operations): Delete.
4280 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4281 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4282 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4283 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4284 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4286 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4288 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4291 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4294 * doc/invoke.texi: Document -rdynamic.
4296 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4299 * c-parser.c (c_parser_parms_list_declarator): Call
4300 mark_forward_parm_decls.
4301 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4302 decls with visibility structure.
4304 2005-07-30 Paul Brook <paul@codesourcery.com>
4306 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4308 2005-07-30 Paul Brook <paul@codesourcery.com>
4310 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4312 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4314 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4316 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4319 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4320 nested function declarators.
4321 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4322 (grokparms): Call warn_if_shadowing for parameters used within the
4324 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4325 not used within the parameter list.
4326 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4328 2005-07-30 Jan Hubicka <jh@suse.cz>
4330 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4331 * i386.c (ix86_fixup_binary_operands): Likewise.
4332 (ix86_expand_unary_operator): Likewise.
4333 (ix86_expand_fp_absneg_operator): Likewise.
4334 * optabs.c (expand_vec_cond_expr): Validate dest.
4336 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4339 * real.c (real_from_string): Also set last bit if there is a
4340 nonzero hex digit beyond GCC's internal precision after ".".
4342 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4344 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4345 define_constants. Change duplicate values to unassigned numbers.
4346 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4347 (*altivec_vspltsf): New.
4348 (altivec_vperm_v4sf): Delete.
4349 (altivec_vperm_<mode>): Use mode macro V.
4350 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4351 (altivec_predicate_v4sf): Delete.
4352 (altivec_predicate_<mode>): Use mode macro V.
4353 (*altivec_lvesfx): New.
4354 (*altivec_stvesfx): New.
4355 (vec_realign_load_v4sf): Delete.
4356 (vec_realign_load_<mode>): Use mode macro V.
4357 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4360 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4363 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4365 * configure: Regenerated.
4367 2005-07-29 Paul Brook <paul@codesourcery.com>
4369 * doc/install.texi: Add link to GFortran binaries wiki page.
4371 2005-07-29 David Ung <davidu@mips.com>
4373 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4374 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4375 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4376 * config/mips/mips.md (cpu): Add 5kf name.
4377 (includes): Includes 5k.md.
4378 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4379 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4382 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4385 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4386 (cleanup_tree_cfg): ... here.
4387 Call cleanup_tree_cfg_1 until there are no more cleanups to
4390 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4392 * tree-vrp.c (compare_range_with_value): Return true or false
4393 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4394 EQ_EXPR respectively.
4396 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4398 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4401 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4403 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4404 (tree_ssa_dominator_optimize): Increment it.
4405 (dump_dominator_optimization_stats): Print it.
4407 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4408 Steven Bosscher <stevenb@suse.de>
4410 PR rtl-optimization/23117
4411 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4412 when head == tail. Tidy comment.
4414 2005-07-28 Richard Henderson <rth@redhat.com>
4416 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4417 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4418 * jump.c (rtx_renumbered_equal_p): Likewise.
4419 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4420 CONST_INT and CONST_DOUBLE.
4421 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4422 * reload.c (operands_match_p): Special case CONST_INT and
4423 CONST_DOUBLE; check mode earlier.
4425 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4428 * c-typeck.c (convert_for_assignment): Do not check
4429 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4431 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4434 * c-typeck.c (composite_type): Prefer constant size arrays to
4437 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4440 * real.c (real_from_string): Set last bit if there is a nonzero
4441 hex digit beyond GCC's internal precision.
4443 2005-07-28 Richard Henderson <rth@redhat.com>
4446 * cfgcleanup.c (try_forward_edges): Watch out for end of
4449 2005-07-28 James E Wilson <wilson@specifixinc.com>
4452 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4454 2005-07-28 Jan Hubicka <jh@suse.cz>
4456 * Makefile.in (rtl-profile.o): Kill all traces of it.
4457 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4458 * coverage.h (rtl_coverage_counter_ref): Kill.
4459 * opts.c (flag_speculative_prefetching_set): Kill.
4460 (flag_loop_optimize_set): New.
4461 (common_handle_option): Disable loop optimizer when profiling;
4462 do not handle speculative prefetching.
4463 * passes.c (init_optimization_passes): Replace pass_profiling combo
4464 by branch_prob pass.
4465 * profile.c (compute_value_histograms): Update for simplified value
4467 (rtl_register_profile_hooks): Kill.
4468 (pass_profiling): Kill.
4469 (rest_of_handle_branch_prob): Do not profile.
4470 * toplev.c (process_options): Remove speculative prefetching.
4471 * toplev.h (flag_tree_based_profiling): Kill.
4472 * tree-profile.c (prepare_instrumented_value,
4473 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4474 tree_gen_one_value_profiler, do_tree_profiling): Update for
4475 simplified datastructures.
4476 * value-prof.c: Add comment that speculative prefetching was dropped;
4477 update rest of file for simplified datastructures.
4478 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4479 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4480 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4481 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4482 rtl_mod_subtract, gen_speculative_prefetch,
4483 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4484 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4485 (gate_handle_value_profile_transformations,
4486 rest_of_handle_value_profile_transformations,
4487 pass_value_profile_transformations): Kill.
4488 * value-prof.h (histogram_value_t): Remove IL based unions.
4489 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4490 rtl_profile_hooks): Remove hooks.
4492 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4494 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4495 (cgraph_clone_node): Likewise.
4496 * cgraph.h (cgraph_clone_edge): Update prototype.
4497 (cgraph_clone_node): Likewise.
4498 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4500 (lookup_recursive_calls): Consider profile.
4501 (cgraph_decide_recursive_inlining): Fix updating; use new
4502 probability argument; use profile.
4503 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4504 * tree-inline.c (copy_bb): Update clal of clone_edge.
4505 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4507 * invoke.texi (min-inline-recursive-probability): Document.
4509 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4511 * doc/install.texi (Configuration): Update Valgrind homepage.
4513 2005-07-28 Richard Henderson <rth@redhat.com>
4516 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4517 labels we want to delete.
4518 (cfg_layout_merge_blocks): Likewise.
4520 2005-07-28 Richard Henderson <rth@redhat.com>
4523 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4524 when expanding to nothing.
4526 2005-07-28 Josh Conner <jconner@apple.com>
4528 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4529 (cgraph_decide_inlining_of_small_functions): Likewise.
4531 2005-07-28 Josh Conner <jconner@apple.com>
4533 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4534 direction of badness if negative.
4535 (cgraph_default_inline_p): Add reason to parameters, and assign it
4537 (cgraph_decide_inlining_of_small_functions): New parameter in call
4538 to cgraph_default_inline_p.
4539 (cgraph_decide_inlining_incrementally): Likewise.
4540 * cgraphunit.c (decide_is_function_needed): Likewise.
4541 * cgraph.h (cgraph_default_inline_p): Likewise.
4543 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4545 * builtins.c: Fix comment typo(s).
4546 * genautomata.c: Likewise.
4547 * gimplify.c: Likewise.
4548 * tree-dfa.c: Likewise.
4549 * tree-flow-inline.h: Likewise.
4550 * tree-into-ssa.c: Likewise.
4551 * tree-ssa-alias.c: Likewise.
4552 * tree-ssa-ccp.c: Likewise.
4553 * tree-ssa-copy.c: Likewise.
4554 * tree-ssa-dce.c: Likewise.
4555 * tree-ssa-dom.c: Likewise.
4556 * tree-ssa-operands.c: Likewise.
4557 * tree-tailcall.c: Likewise.
4558 * tree-vectorizer.c: Likewise.
4559 * tree-vrp.c: Likewise.
4562 2005-07-28 Jeff Law <law@redhat.com>
4564 * tree-vrp.c (test_for_singularity): Extracted from ...
4565 (simplify_cond_using_ranges): Attempt to simplify a relational
4566 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4568 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4570 PR tree-optimization/22506
4571 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4572 phis whose argument is constant.
4574 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4576 PR rtl-optimization/18992
4577 Back out this patch:
4578 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4579 PR optimization/12142
4580 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4581 uses of the register in the SET_SRC. Remove unnecessary argument.
4583 Replace it with this:
4584 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4585 if flag_non_call_exceptions is set and the insn may trap, pass
4586 pc_rtx as dest for recursion.
4587 In SET_SRC part of SET case, if dest is already set, pass it down
4590 2005-07-28 Jan Hubicka <jh@suse.cz>
4592 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4593 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4594 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4596 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4597 profile when available.
4599 2005-07-28 Jan Beulich <jbeulich@novell.com>
4601 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4602 (ia64_print_operand): Describe and handle 'X'.
4603 (ia64_register_move_cost): Also handle FP_REGS.
4604 (ia64_preferred_reload_class): Likewise.
4605 (ia64_secondary_reload_class): Likewise.
4606 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4607 it. Also check for ITANIUM_CLASS_FLDP.
4608 * config/ia64/ia64.h (FP_REGNO_P): New.
4609 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4610 (reg_class): Add FP_REGS.
4611 (REG_CLASS_NAMES): Adjust for it.
4612 (REG_CLASS_CONTENTS): Likewise.
4613 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4614 (REG_CLASS_FROM_LETTER): Handle 'x'.
4615 (CLASS_MAX_NREGS): Handle FP_REGS.
4616 (MEMORY_MOVE_COST): Likewise.
4617 * config/ia64/ia64.md (itanium_class): Add fldp.
4618 (type): Handle fldp.
4619 (movti_internal): More allowable operand combinations. Use ldfp8 when
4620 splitting unnecessary. Remove predicable attribute. Adjust
4621 itanium_class attribute.
4622 (smuldi3_highpart): Remove outdated comment.
4623 (mulditi3, umulditi3, rotlti3): New expanders.
4624 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4625 (absti2): Disabled new insn for future reference.
4626 Respective new splitters.
4627 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4628 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4629 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4631 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4633 PR rtl-optimization/23047
4634 * simplify-rtx.c (simplify_const_relational_operation): Respect
4635 flag_wrapv for comparisons with ABS.
4637 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4639 PR tree-optimization/22493
4640 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4641 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4643 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4645 * config/frv/frv.opt (moptimize-membar): New.
4647 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4649 * config/frv/frv.h: Remove machine_function definition.
4651 * config/frv/frv.c (struct frv_io): New.
4652 (struct machine_function): Moved from frv.h. Add has_membar_p.
4653 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4654 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4655 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4656 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4657 (frv_reorg): Call frv_optimize_membar when appropriate.
4658 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4659 (frv_expand_builtin): Adjust calls accordingly.
4660 (frv_io_address_cookie): New function.
4661 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4662 load or store rather than a special insn. Add ccnstant address and
4663 io-type operands to the membar.
4664 (frv_ifcvt_modify_tests): Unsign regno.
4665 (frv_ifcvt_modify_tests): Same.
4667 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4668 UNSPEC_OPTIONAL_MEMBAR constant.
4669 (builtin_read_<mode>): Delete.
4670 (builtin_write_<mode>): Delete.
4671 ("optional_membar_<mode>"): Add operand.
4673 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4674 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4675 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4676 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4677 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4678 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4679 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4680 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4681 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4683 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4685 * df.c (df_uses_record): Handle SCRATCH.
4687 2005-07-28 Steven Bosscher <stevenb@suse.de>
4690 * passes.c (rest_of_decl_compilation): If decl is a type and
4691 we have encountered errors, don't emit debug information.
4693 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4695 * params.def: Fixed comment.
4697 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4700 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4701 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4702 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4704 2005-07-27 Steven Bosscher <stevenb@suse.de>
4707 * varasm.c (assemble_start_function): Don't do anything that may
4708 require a CFG if the current function is a thunk.
4710 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4712 * doc/install.texi (Prerequisites): Mention that perl is needed
4713 to do export control in libstdc++ targetting Darwin.
4715 2005-07-27 Steven Bosscher <stevenb@suse.de>
4717 PR rtl-optimization/17808
4718 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4719 (sched_insns_conditions_mutex_p): Split out from...
4720 (add_dependence): ...here. But don't call it from here.
4721 (add_dependence_list): Check sched_insns_conditions_mutex_p
4722 before calling add_dependence.
4723 (add_dependence_list_and_free): Likewise.
4724 (fixup_sched_groups): Likewise.
4725 (sched_analyze_1): Likewise.
4726 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4727 (sched_analyze): Likewise.
4728 (sched_analyze_insn): Likewise.
4729 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4730 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4731 dependencies on all COND_EXEC insns to jumps ending basic blocks
4732 when doing intrablock scheduling.
4733 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4735 2005-07-27 Jeff Law <law@redhat.com>
4737 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4738 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4739 equivalency sets, correctly handle the case were vr0 has an
4740 equivalency set, but vr1 does not.
4742 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4744 PR tree-optimization/23073
4745 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4746 vect_print_dump_info before fprintf.
4748 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4750 PR tree-optimize/22348
4751 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4752 Fold the partial computation.
4754 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4756 PR tree-optimization/22325
4757 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4759 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4761 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4762 (force_var_cost): ... this function.
4763 (compute_phi_arg_on_exit): Export.
4765 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4767 PR tree-optimization/20773
4768 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4771 2005-07-27 Richard Guenther <rguenther@suse.de>
4773 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4774 Avoid pushing again if current struct contains only
4775 fields we decomposed.
4777 2005-07-27 Jan Hubicka <jh@suse.cz>
4779 PR tree-optimization/22574
4780 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4783 * tree-tailcall.c (decrease_profile): New function.
4784 (eliminate_tail_call): Use it.
4786 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4787 visibility flags correctly in whole program mode.
4789 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4791 PR rtl-optimization/22472
4792 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4794 2005-07-26 Steven Bosscher <stevenb@suse.de>
4796 PR tree-optimization/22504
4797 * tree-complex.c (expand_complex_addition): Use 'code' instead
4798 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4800 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4802 * config.gcc (cpu_type): Add frv case.
4803 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4804 (supported_defaults): Add fr550 case.
4806 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4809 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4810 whether a pointer of type T * may point to objects of type T *.
4812 2005-07-26 DJ Delorie <dj@redhat.com>
4814 * configure: Regenerate.
4816 2005-07-26 Dale Johannesen <dalej@apple.com>
4818 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4820 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4822 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4823 Clarify use of "build" in name.
4825 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4827 * doc/extend.texi (Raw read/write Functions): New section.
4828 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4829 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4830 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4831 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4832 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4833 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4834 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4835 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4836 * config/frv/frv.c: Add bdesc_loads global.
4837 Add bdesc_stores global.
4838 (frv_init_builtins): Add support for __builtin_{read/write}*.
4839 (frv_volatile_memref): New.
4840 (frv_expand_load_builtin): New.
4841 (frv_expand_store_builtin): New.
4842 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4843 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4844 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4845 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4846 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4847 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4848 (builtin_read_<mode>): New.
4849 (builtin_write_<mode>): New.
4850 (builtin_write64): New.
4851 (optional_membar_<mode>): New.
4853 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4855 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4856 (rather than units) against HOST_BITS_PER_WIDE_INT.
4858 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4860 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4861 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4862 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4863 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4866 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4867 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4868 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4870 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4872 2005-07-26 Richard Guenther <rguenther@suse.de>
4874 PR tree-optimization/22486
4875 * fold-const.c (fold_unary): Fold away useless component
4876 references of the form (T *)&T.x, if the address
4879 2005-07-25 James E Wilson <wilson@specifixinc.com>
4881 * dwarf2out.c (add_call_src_coords_attributes): New.
4882 (gen_inlined_subroutine_die): Call it.
4883 (maybe_emit_file, init_file_table): Add comments.
4884 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4886 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4887 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4888 * tree.h (BLOCK_SOURCE_LOCATION): New.
4889 (struct tree_block): New field locus.
4891 2005-07-26 Andreas Schwab <schwab@suse.de>
4893 PR rtl-optimization/23043
4894 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4895 when allocating a struct unoccr.
4897 2005-07-25 Richard Henderson <rth@redhat.com>
4900 * tree-complex.c (gate_no_optimization): True if errors.
4901 * Makefile.in (tree-complex.o): Update dependencies.
4903 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4905 * config/frv/predicates.md (integer_register_operand): Use
4908 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4911 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4913 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4915 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4917 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4918 types when flag_unsafe_math_optimizations is true.
4920 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4922 * gcc.c (option_map): Add --sysroot.
4923 (process_command): Handle --sysroot.
4924 (display_help): Document it.
4925 * doc/cppopts.tex (-isysroot): Document.
4926 * doc/invoke.texi (--sysroot): Document.
4927 * doc/install.texi (--with-build-sysroot): Document.
4929 * Makefile.in (inhibit_libc): New variable.
4930 (INHIBIT_LIBC_CFLAGS): Likewise.
4931 (LIBGCC2_CFLAGS): Include
4932 $(INHIBIT_LIBC_CFLAGS).
4933 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4934 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4935 ($(T)crtend.o): Likewise.
4936 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4937 ($(T)crtendS.o): Likewise.
4938 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4939 ($(T)crtendT.o): Likewise.
4940 (stmp-fixinc): Do not complain about missing headers if
4942 * configure.ac (inhibit_libc): Set it to true/false.
4943 (--with-build-sysroot): New option. Use it to set
4945 * configure: Regenerated.
4947 2005-07-25 Manfred Hollstein <mh@suse.com>
4949 * calls.c (store_one_arg): Fix unsigned comparison warning.
4951 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4954 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4955 (ggc_print_statistics): Initialize variable before use.
4957 2005-07-25 Richard Guenther <rguenther@suse.de>
4959 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4960 calling with a PHI_NODE argument.
4962 * tree-flow-inline.h (overlap_subvar): Protect against
4965 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4967 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4968 * configure: Regenerate.
4970 2005-07-25 Ira Rosen <irar@il.ibm.com>
4972 * expr.c (highest_pow2_factor): Make extern.
4973 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4974 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4975 record_array_differ_p, array_ptr_differ_p): Likewise.
4976 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4977 additional cases. Call the above functions.
4978 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4979 base_object_differ_p when there are two base objects. Otherwise, compare
4980 base address and offset. Call may_alias_p.
4981 (dump_data_reference): Use a correct field name.
4982 (analyze_array): Make static. Initialize new data-ref fields.
4983 (analyze_indirect_ref): New function.
4984 (init_data_ref): Initialize new data-ref fields.
4985 (strip_conversion): Moved from tree-vect-analyze.c.
4986 (analyze_offset_expr, get_ptr_offset, address_analysis,
4987 object_analysis): Likewise.
4988 (analyze_offset): New function.
4989 (create_data_ref): Likewise.
4990 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4991 dimensions for ARRAY_REFs only.
4992 (build_classic_dist_vector): Make static.
4993 (access_functions_are_affine_or_constant_p): Call macro to get the
4994 address of access functions.
4995 (compute_all_dependences): Add new parameter
4996 compute_self_and_read_read_dependences. Compute self and read-read
4997 dependences if it is true.
4998 (find_data_references_in_loop): Call create_data_ref. Initialize new
5000 (compute_data_dependences_for_loop): Add new parameter
5001 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5002 compute nb_loops. Call compute_all_dependences,
5003 build_classic_dist_vector and build_classic_dir_vector with correct
5005 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5006 with correct parameters. Compare dimensions for ARRAY_REFs only.
5007 (free_data_refs): Call macro to free access functions.
5008 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5009 fields from stmt_vinfo.
5010 (struct base_object_info): New structure.
5011 (struct data_reference): Move fields to base_object_info. Add fields
5012 first_location and object_info for above structures. Move fields from
5013 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5014 aligned_to. Add macros to access the new fields.
5015 Update functions declarations.
5016 * tree-flow.h (is_aliased_with): Declare.
5017 * tree-loop-linear.c (linear_transform_loops): Call
5018 compute_data_dependences_for_loop with correct parameters.
5019 * tree-ssa-alias.c (is_aliased_with): New function.
5020 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5021 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5022 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5023 vect_base_addr_differ_p, compute_subscript_distance and
5024 build_classic_dist_vector. Add printings. Check absolute value of
5026 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5028 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5029 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5030 to bytes. Add printing.
5031 (vect_compute_data_refs_alignment): Go through loads and stores in one
5033 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5034 vect_analyze_data_ref_access): Likewise.
5035 (vect_analyze_pointer_ref_access): Remove.
5036 (vect_address_analysis, vect_object_analysis): Likewise.
5037 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5038 and analyze data-refs in the loop.
5039 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5040 fields of data-ref instead of stmt. Add init to the offset from the
5042 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5043 (vect_update_init_of_dr): Likewise.
5044 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5045 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5047 (new_loop_vec_info): Initialize new fields.
5048 (destroy_loop_vec_info): Free new fields.
5049 (vect_strip_conversion): Remove.
5050 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5051 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5052 datarefs. Add new field ddrs.
5053 Add macros for the new fields access.
5054 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5055 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5056 Remove their macros.
5057 * tree.h (highest_pow2_factor): Declare.
5059 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5061 * calls.c (store_one_arg): Check for sibling call MEM arguments
5062 from already clobbered incoming argument area.
5064 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5066 * c-common.c (check_missing_format_attribute): New.
5067 * c-common.h (check_missing_format_attribute): Likewise.
5068 * c-typeck.c (convert_for_assignment): Use it.
5070 2005-07-24 Andreas Schwab <schwab@suse.de>
5072 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5073 register use a word move. Correct operand of ext.w in 68000 code.
5075 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5077 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5078 variables as declarations, rather than definitions.
5080 2005-07-24 Ira Rosen <irar@il.ibm.com>
5082 PR tree-optimization/22526
5083 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5086 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5088 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5089 that C99 reserve for future use. Use it to define clog10,
5090 clog10f and clog10l.
5092 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5094 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5095 * configure.ac: Check for -Wmissing-format-attribute.
5097 * configure: Regenerate.
5099 2005-07-23 Richard Henderson <rth@redhat.com>
5101 PR tree-optimization/22623
5102 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5104 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5107 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5109 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5111 * Makefile.in (C_TREE_H): Update dependencies.
5112 * c-tree.h: Include toplev.h.
5113 * diagnostic.h (diagnostic_set_info): Add format attribute.
5114 * rtl-error.c (diagnostic_for_asm): Likewise.
5116 2005-07-23 Chao-ying Fu <fu@mips.com>
5118 * config/mips/mips-dsp.md: New file.
5119 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5120 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5122 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5123 MIPS_BUILTIN_BPOSGE32.
5124 (mips_expand_builtin_direct): Add one parameter to indicate that
5125 builtin functions need to return a value.
5126 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5128 (mips_regno_to_class): Add classes for 12 new DSP registers.
5129 (mips_subword): Change to check four HI registers.
5130 (mips_output_move): Output move to and from 6 new DSP accumulators.
5131 (override_options): Make sure -mdsp and -mips16 are not used together.
5132 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
5134 (mips_conditional_register_usage): Disable 6 new DSP accumulators
5136 (print_operand): Add 'q' for printing DSP accumulators.
5137 (mips_cannot_change_mode_class): Check ACC_REGS.
5138 (mips_secondary_reload_class): Check ACC_REGS.
5139 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5140 (mips_register_move_cost): Check ACC_REGS.
5141 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5142 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5143 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5144 (dsp_bdesc): New array.
5145 (bdesc_arrays): Add DSP builtin function table.
5146 (mips_prepare_builtin_arg): Check predicate again after
5148 (mips_expand_builtin): Add one more parameter to
5149 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5150 MIPS_BUILTIN_BPOSGE32.
5151 (mips_init_builtins): Initialize new function types.
5152 (mips_expand_builtin_direct): Check if builtin functions need to
5153 return a value and pass operands properly.
5154 (mips_expand_builtin_bposge): New function.
5155 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5156 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5157 (FIRST_PSEUDO_REGISTER): Increase to 188.
5158 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5159 Update for 12 new DSP registers.
5160 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5161 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5162 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5163 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5164 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5165 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5166 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5167 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5168 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5169 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5170 (REGISTER_NAMES): Add names for 12 new DSP registers.
5171 * config/mips/mips.md: Include mips-dsp.md.
5172 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5173 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5174 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5175 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5176 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5177 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5178 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5179 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5180 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5181 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5182 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5183 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5184 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5185 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5186 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5187 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5188 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5189 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5190 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5191 (UNSPEC_RDDSP): New constants.
5192 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5193 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5195 * config/mips/mips.opt (-mdsp): New option.
5196 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5197 (reg_imm10_operand): New predicates.
5198 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5199 * doc/invoke.texi (-mdsp): Document new option.
5201 2005-07-22 DJ Delorie <dj@redhat.com>
5203 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5205 * tree-inline.c (inlinable_function_p): Likewise.
5207 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5210 * toplev.c (check_global_declarations): Do not mark undefined
5211 variables as DECL_IGNORED_P.
5212 * varasm.c (first_global_object_name): GTY it.
5213 (weak_global_object_name): Likewise.
5214 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5215 a string to go into {weak,first}_global_object_name.
5217 2005-07-22 DJ Delorie <dj@redhat.com>
5219 * c-format.c (check_function_format): Change warning control
5220 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5222 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5224 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5225 &PTR->FLD a dereference of PTR.
5226 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5227 a potential dereference of PTR.
5229 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5231 PR rtl-optimization/20370
5232 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5233 call allocate_reg_info if necessary.
5235 PR rtl-optimization/21848
5236 * calls.c (emit_library_call_value_1): For const functions, add
5237 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5239 PR rtl-optimization/22445
5240 * cselib.c (target.h): Include.
5241 (rtx_equal_for_cselib_p): Allow commutative matches.
5242 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5243 Remove MODE parameter. Changed all callers.
5245 PR rtl-optimization/22258
5246 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5248 (try_combine): Use likely_spilled_retval_p.
5250 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5252 * config.gcc: Add crx-elf support.
5254 * doc/contrib.texi: Mention crx.
5255 * doc/extend.texi: Document crx extensions.
5256 * doc/install.texi: Document crx install.
5257 * doc/invoke.texi: Document crx options.
5258 * doc/md.texi: Document crx constraints.
5260 * config/crx/crx-protos.h: New file.
5261 * config/crx/crx.c: New file.
5262 * config/crx/crx.h: New file.
5263 * config/crx/crx.md: New file.
5264 * config/crx/crx.opt: New file.
5265 * config/crx/t-crx: New file.
5267 2005-07-22 Manfred Hollstein <mh@suse.com>
5269 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5271 (int_add_graph_edge): Likewise.
5272 (collapse_nodes): Likewise.
5273 (process_unification_queue): Likewise.
5275 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5276 Laurent GUERBY <laurent@guerby.net>
5278 PR tree-optimization/22336
5279 * function.c (record_block_change): Check for
5280 cfun->ib_boundaries_block.
5282 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5284 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5285 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5287 2005-07-21 DJ Delorie <dj@redhat.com>
5289 * toplev.c (warn_deprecated_use): Add warning control to warning
5291 * c-typeck.c (parser_build_binary_op): Likewise.
5292 (c_finish_if_stmt): Likewise.
5293 * c-common.c (check_function_sentinel): Likewise.
5294 (check_nonnull_arg): Likewise.
5296 2005-07-21 Richard Henderson <rth@redhat.com>
5299 * tree-complex.c (complex_ssa_name_components): New.
5300 (cvc_lookup): Allow entry not found.
5301 (create_components): Remove.
5302 (create_one_component_var, get_component_var): New.
5303 (get_component_ssa_name, set_component_ssa_name): New.
5304 (extract_component): Use get_component_ssa_name.
5305 (update_complex_components): Use set_component_ssa_name.
5306 (update_complex_components_on_edge): Likewise.
5307 (update_phi_components): Create new PHI nodes directly, instead
5308 of adding insns to edges.
5309 (tree_lower_complex): Allocate and free complex_variable_components
5310 and complex_ssa_name_components here.
5312 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5314 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5315 revert to returning false.
5317 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5320 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5322 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5325 * config/i386/i386.md (cmpxf): Change operand constraints
5326 to "nonmemory_operand".
5328 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5330 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5332 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5335 * fold-const.c (fold_build1): Add checksum for the operands.
5336 (fold_build2): Likewise.
5337 (fold_build3): Likewise.
5339 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5342 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5344 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5346 * common.opt (-fforward-propagate): Committed by mistake,
5349 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5351 * reg-stack.c: Fix comment typo(s).
5352 * tree-ssa-operands.c: Likewise.
5353 * tree-vectorizer: Likewise.
5355 2005-07-21 Nick Clifton <nickc@redhat.com>
5357 * config/sh/symbian.c: Replace C++ style line comments with C
5358 style line comments.
5359 (symbian_add_attribute): Do not use a ? operator on the LHS of
5361 (sh_symbian_handle_dll_attribute): Change the type of the
5362 method vector to "VEC(tree,gc)*" and use vector accessor
5363 macros to walk over the elements.
5364 (symbian_export_vtable_and_rtti_p): Likewise.
5365 (symbian_class_needs_attribute_p): Likewise.
5367 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5370 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5371 initialize targetm.resolve_overloaded_builtin here.
5372 (altivec_expand_overloaded_builtin): Make it non-static.
5373 * config/rs6000/rs6000-protos.h
5374 (altivec_expand_overloaded_builtin): New prototype.
5375 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5376 targetm.resolve_overloaded_builtin here.
5377 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5379 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5380 Zdenek Dvorak <dvorakz@suse.cz>
5382 PR tree-optimization/19210
5383 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5385 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5386 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5387 rely on unproven assumptions.
5388 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5389 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5390 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5391 to number_of_iterations_exit.
5392 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5393 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5394 * tree-ssa-loop-niter.c (find_loop_niter,
5395 estimate_numbers_of_iterations_loop): Likewise.
5396 (number_of_iterations_exit): Honor the new options.
5397 * doc/invoke.texi (Wunsafe-loop-optimizations,
5398 funsafe-loop-optimizations): Document them.
5400 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5402 PR rtl-optimization/22167
5403 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5405 2005-07-20 Adam Nemet <anemet@lnxw.com>
5407 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5408 __do_global_dtors_aux longcall.
5410 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5412 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5413 (old_special_pred_table): Don't reference
5414 SPECIAL_MODE_PREDICATES.
5415 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5416 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5417 * config/sh/predicates.h: Don't mention
5418 SPECIAL_MODE_PREDICATES.
5419 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5422 2005-07-20 DJ Delorie <dj@redhat.com>
5424 * config.gcc: Add m32c-elf support.
5426 * doc/contrib.texi: Mention m32c.
5427 * doc/extend.texi: Document m32c extensions.
5428 * doc/install.texi: Mention m32c.
5429 * doc/invoke.texi: Document m32c options.
5430 * doc/md.texi: Document m32c constraints.
5432 * config/m32c/addsub.md: New file.
5433 * config/m32c/bitops.md: New file.
5434 * config/m32c/cond.md: New file.
5435 * config/m32c/jump.md: New file.
5436 * config/m32c/m32c-lib1.S: New file.
5437 * config/m32c/m32c-lib2.c: New file.
5438 * config/m32c/m32c-modes.def: New file.
5439 * config/m32c/m32c-pragma.c: New file.
5440 * config/m32c/m32c-protos.h: New file.
5441 * config/m32c/m32c.abi: New file.
5442 * config/m32c/m32c.c: New file.
5443 * config/m32c/m32c.h: New file.
5444 * config/m32c/m32c.md: New file.
5445 * config/m32c/m32c.opt: New file.
5446 * config/m32c/minmax.md: New file.
5447 * config/m32c/mov.md: New file.
5448 * config/m32c/muldiv.md: New file.
5449 * config/m32c/predicates.md: New file.
5450 * config/m32c/prologue.md: New file.
5451 * config/m32c/shift.md: New file.
5452 * config/m32c/t-m32c: New file.
5454 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5456 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5457 (stack_protect_set, stack_protect_test): New expanders.
5458 (stack_protect_set_si, stack_protect_set_si_media,
5459 stack_protect_set_di_media, stack_protect_test_si,
5460 stack_protect_test_si_media, stack_protect_test_di_media):
5463 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5465 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5467 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5469 * tree.h (tree_expr_nonzero_p): Export.
5470 * fold-const.c (tree_expr_nonzero_p): Likewise.
5471 Return true for CALL_EXPRs that are alloca calls.
5472 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5474 * tree-flow.h (expr_computes_nonzero): Remove.
5475 * tree-vrp.c (expr_computes_nonzero): Remove.
5476 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5477 (extract_range_from_unary_expr): Likewise.
5478 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5479 tree_expr_nonzero_p.
5481 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5483 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5484 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5485 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5486 All callers changed.
5487 (frame_related_constant_load): New arg "related" which controls
5488 setting of RTX_FRAME_RELATED_P. All callers changed.
5489 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5490 (bfin_expand_prologue): Add stack limit checking.
5491 * config/bfin/bfin.md (trapifcc): New pattern.
5493 * config/bfin/bfin.c: Include "langhooks.h".
5494 (def_builtin): Go through lang_hooks to call builtin_function.
5496 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5497 * config/bfin/predicates.md (symbol_ref_operand): New.
5498 (call_insn_operand): Delete. All callers changed to use
5499 register_no_elim_operand.
5500 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5502 (function_arg): Use it to generate the call's operand 2.
5503 (bfin_longcall_p): New function.
5504 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5505 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5506 determine if the address needs to be in a REG.
5507 (bfin_handle_longcall_attribute): New function.
5508 (bfin_attribute_table): Add "longcall" and "shortcall".
5509 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5510 (CUMULATIVE_ARGS): New member call_cookie.
5511 (PREDICATE_CODES): Add symbol_ref_operand.
5512 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5513 extra USE to the pattern.
5514 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5515 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5516 sibcall_value_insn; now the new patterns handle direct calls and the
5517 old ones indirect calls.
5518 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5520 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5522 * doc/trouble.texi: Update section on handling of empty loops.
5524 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5526 * config.gcc: Remove support for sparc-*-openbsd*,
5527 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5529 * config.host: Remove support for i860-*-sysv4* as a host.
5530 * config/i860/*, config/ip2k/*, config/ns32k/*,
5531 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5532 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5533 mention obsolete ports.
5535 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5537 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5539 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5540 of frame_pointer_rtx.
5541 (sh_expand_epilogue): Likewise.
5542 (sh_set_return_address): Likewise.
5543 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5544 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5545 offsets from FRAME_POINTER_REGNUM.
5546 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5547 (sh_register_names): Add initializer for sfp.
5548 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5549 (VALID_REGISTER_P): Likewise.
5550 (FIRST_PSEUDO_REGISTER): Update.
5551 (DWARF_FRAME_REGISTERS): Define.
5552 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5553 (HARD_FRAME_POINTER_REGNUM): Define.
5554 (FRAME_POINTER_REGNUM): Redefine.
5555 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5556 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5557 from FRAME_POINTER_REGNUM.
5558 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5559 FRAME_POINTER_REGNUM.
5560 (REG_CLASS_CONTENTS): Add sfp.
5561 (REG_ALLOC_ORDER): Likewise.
5562 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5563 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5564 of frame_pointer_rtx.
5565 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5567 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5569 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5570 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5571 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5573 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5576 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5578 Make CONSTRUCTOR use VEC to store initializers.
5579 * c-common.c (complete_array_type): Update to cope with VEC in
5581 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5582 (pp_c_constructor_elts): New function.
5583 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5584 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5585 struct constructor_stack, struct initializer_stack,
5586 constructor_elements, push_init_level, pop_init_level,
5587 add_pending_init, find_init_member, output_init_element): Update to
5588 cope with VEC in CONSTRUCTOR_ELTS.
5589 * coverage.c (build_fn_info_value, build_ctr_info_value,
5590 build_gcov_info): Likewise.
5591 * expr.c (categorize_ctor_elements_1, store_constructor,
5592 expand_expr_real_1): Likewise.
5593 * fold-const.c (fold_ternary): Likewise.
5594 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5595 gimplify_init_constructor, gimplify_expr): Likewise.
5596 * tree-dump.c (dequeue_and_dump): Likewise.
5597 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5599 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5601 * tree-sra.c (generate_element_init_1): Likewise.
5602 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5603 * tree-ssa-operands.c (get_expr_operands): Likewise.
5604 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5605 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5606 (get_initial_def_for_reduction): Likewise.
5607 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5608 value handle in annotations.
5609 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5610 tree_node_structure): Add support for constr_kind.
5611 (build_vector_from_ctor, build_constructor_single,
5612 build_constructor_from_list): New functions.
5613 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5614 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5615 Update to cope with VEC in CONSTRUCTOR_ELTS.
5616 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5617 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5618 CONSTRUCTOR_APPEND_ELT): New macros.
5619 (struct constructor_elt, struct tree_constructor): New data types.
5620 (union tree_node): Add tree_constructor field.
5621 * treestruct.def: Define TS_CONSTRUCTOR.
5622 * varasm.c (const_hash_1, compare_constant, copy_constant,
5623 compute_reloc_for_constant, output_addressed_constants,
5624 initializer_constant_valid_p, output_constant,
5625 array_size_for_constructor, output_constructor): Update to cope with
5626 VEC in CONSTRUCTOR_ELTS.
5627 * vec.h (VEC_empty, VEC_copy): New macros.
5629 2005-07-19 Devang Patel <dpatel@apple.com>
5631 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5633 2005-07-19 Richard Henderson <rth@redhat.com>
5636 * gimplify.c (gimplify_expr): Use main variant type for the temp
5637 destination for a discarded volatile read.
5638 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5639 casts between non-void types that change volatility.
5641 2005-07-15 DJ Delorie <dj@redhat.com>
5643 * toplev.h: Add comment about the first parameter for warning().
5644 * errors.h: Likewise.
5646 * c.opt (Wpragmas): New.
5647 * doc/invoke.texi: Document it.
5649 * function.c (do_warn_unused_parameter): Add warning control to
5651 * c-decl.c (warn_if_shadowing): Likewise.
5652 * c-lex.c (cb_def_pragma): Likewise.
5653 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5654 (pop_alignment): Likewise.
5655 (handle_pragma_pack): Likewise.
5656 (apply_pragma_weak): Likewise.
5657 (handle_pragma_weak): Likewise.
5658 (handle_pragma_redefine_extname): Likewise.
5659 (add_to_renaming_pragma_list): Likewise.
5660 (handle_pragma_extern_prefix): Likewise.
5661 (maybe_apply_renaming_pragma): Likewise.
5662 (handle_pragma_visibility): Likewise.
5664 * config/c4x/c4x-c.c (BAD): Likewise.
5665 (c4x_parse_pragma): Likewise.
5666 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5667 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5668 (rs6000_pragma_longcall): Likewise.
5669 * config/v850/v850-c.c (pop_data_area): Likewise.
5670 (ghs_pragma_section): Likewise.
5671 (ghs_pragma_section): Likewise.
5672 (ghs_pragma_interrupt): Likewise.
5673 (ghs_pragma_starttda): Likewise.
5674 (ghs_pragma_startsda): Likewise.
5675 (ghs_pragma_startzda): Likewise.
5676 (ghs_pragma_endtda): Likewise.
5677 (ghs_pragma_endsda): Likewise.
5678 (ghs_pragma_endzda): Likewise.
5680 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5681 Kenneth Zadeck <zadeck@naturalbridge.com>
5683 * Makefile.in: Removed tree-promote-statics.c
5684 * tree-promote-statics.c: Removed.
5685 * common.opt: Removed flag-promote-statics.
5687 * passes.c: Removed tree-promote-statics pass.
5688 * tree-pass.h: Ditto.
5689 * timevar.def: Removed TV_PROMOTE_STATICS.
5692 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5694 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5696 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5698 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5701 * c-common.c (check_function_arguments): Call
5702 'check_function_format' if either -Wformat or
5703 -Wmissing-format-attribute are specified.
5704 * c-format.c (check_function_format): Check -Wformat before
5705 calling 'check_format_info'.
5706 * c-opts.c (c_common_post_options): Don't warn for
5707 -Wmissing-format-attribute without -Wformat.
5708 * c-typeck.c (convert_for_assignment): Detect additional cases for
5709 -Wmissing-format-attribute.
5710 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5713 2005-07-19 Richard Guenther <rguenther@suse.de>
5715 * config/i386/i386.md (lrint<mode>2): Use temporary
5716 instead of clobbering non-existent memory.
5718 2005-07-19 Nick Clifton <nickc@redhat.com>
5720 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5721 statement to avoid displaying ASCII control characters.
5723 2005-07-19 Ben Elliston <bje@au.ibm.com>
5725 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5726 * cfganal.c (find_edge_index): Ditto.
5727 * combine.c (combine_instructions): Ditto.
5728 * ddg.c (create_scc): Ditto.
5729 (find_successors): Ditto.
5730 (find_predecessors): Ditto.
5731 (find_nodes_on_paths): Ditto.
5732 (longest_simple_path): Ditto.
5733 * flow.c (update_life_info): Ditto.
5734 (count_or_remove_death_notes): Ditto.
5735 (clear_log_links): Ditto.
5736 * modulo-sched.c (generate_reg_moves): Ditto.
5737 (find_max_asap): Ditto.
5738 (find_max_hv_min_mob): Ditto.
5739 (find_max_dv_min_mob): Ditto.
5740 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5741 * sched-rgn.c (extract_edgelst): Ditto.
5742 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5743 (dump_update_ssa): Ditto.
5744 (ssa_names_to_replace) Ditto.
5745 (switch_virtuals_to_full_rewrite): Ditto.
5746 (update_ssa): Ditto.
5747 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5749 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5751 Fix PR tree-optimization/22483
5753 * tree-complex.c (create_components): Use
5754 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5755 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5756 * tree-flow.h (safe_referenced_var_iterator): New structure.
5757 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5758 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5759 safe_referenced_var iterator.
5760 (add_type_alias): Ditto.
5762 2005-07-19 Steven Bosscher <stevenb@suse.de>
5764 * loop-init.c (rest_of_handle_loop2): Remove.
5765 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5766 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5767 (pass_rtl_loop_init, pass_rtl_loop_done,
5768 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5769 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5770 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5771 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5772 pass_tree_loop_done, and pass_tree_unswitch.
5773 (gate_loop): Rename to gate_tree_loop.
5774 * passes.c (init_optimization_passes): Update for renamed tree
5775 loop passes. Add the new loop2 passes as subpasses of loop2.
5776 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5777 Update for the renamed tree loop passes.
5779 2005-07-18 Ian Lance Taylor <ian@airs.com>
5782 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5783 blocks when optimizing.
5785 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5787 * common.opt (frename-registers): Initialize to 2.
5789 (fgcse-after-reload): Ditto.
5790 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5791 (process_options): Only change flag_web, flag_rename_registers,
5792 and flag_rerun_cse_after_loop if not explicitly set by user.
5794 2005-07-18 Jan Beulich <jbeulich@novell.com>
5796 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5797 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5798 in 64-bit mode the same as DImode in 32-bit mode.
5799 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5800 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5801 mode. Add new mode parameter.
5802 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5803 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5804 x86_64_shift_adj): New expanders.
5805 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5806 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5808 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5809 DImode shift splitters.
5810 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5811 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5814 2005-07-18 Jan Beulich <jbeulich@novell.com>
5816 * i386.md (movdi_extzv_1): New.
5817 (zero_extendhidi2): Combine alternatives and never force use of
5819 (zero_extendqidi2): Likewise. Don't restrict input selection.
5821 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5823 Fix PR tree-optimization/22531
5824 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5827 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5829 * tree-promote-statics.c (pass_promote_statics): Change dump file
5832 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5834 * tree-optimize.c (init_tree_optimization_passes): Add
5835 pass_eliminate_useless_stores pass.
5836 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5837 * tree-ssa-pre.c (is_copy_stmt): New function.
5838 (follow_copies_till_vuse): Ditto.
5839 (do_eustores): Ditto.
5840 (gate_eustores): Ditto.
5842 2005-07-16 Richard Henderson <rth@redhat.com>
5844 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5846 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5847 Kenneth Zadeck <zadeck@naturalbridge.com>
5849 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5850 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5851 ipa-type-escape.h, tree-promote-statics.c
5852 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5853 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5854 tree-promote-statics.c: new files.
5855 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5856 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5857 int nonlocal_set_p, mark_constant_function): Deleted.
5858 (rest_of_handle_cfg): Removed call to mark_constant_function.
5859 (nonoverlapping_component_refs_p): Added calls to support
5860 type based aliasing.
5861 * tree-ssa-alias.c (may_alias_p,
5862 compute_flow_insensitive_aliasing): Ditto.
5863 * calls.c (flags_from_decl_or_type): Removed reference to
5865 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5866 too many arguments. This is necessary for Spec 2000.
5867 * cgraph.h (const_function, pure_function): Removed.
5868 * common.opt: Added "fipa-pure-const", "fipa-reference",
5869 "fipa-type-escape", and "ftree-promote-static".
5871 * passes.c: Added ipa and tree-promote-statics passes.
5872 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5873 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5874 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5875 * tree-flow.h: Added exposed sra calls and addition of
5876 reference_vars_info field for FUNCTION_DECLS.
5877 * tree-pass.h: Added passes.
5878 * tree-sra.c: (sra_init_cache): New function.
5879 (sra_insert_before, sra_insert_after) Made public.
5880 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5882 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5883 aliasing. (may_alias_p): Added code to use type escape analysis to
5885 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5886 code to prune clobbers of static variables based on information
5887 produced in ipa-reference pass. Changed call clobbering so that
5888 statics are not marked as clobbered if the call does not clobber
5891 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5893 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5896 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5898 * doc/install.texi (*-*-solaris2*): Document recommended version
5899 of GNU binutils and mention GNU linker problem on Solaris 10.
5901 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5904 * c-decl.c (c_build_bitfield_integer_type): New function.
5905 (finish_struct): Call it.
5906 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5908 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5910 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5913 2005-07-16 Jan Hubicka <jh@suse.cz>
5915 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5916 (scale_bbs_frequencies_int): Watch roundoff errors.
5917 * predict.c (return_prediction): Initialize return_stmt.
5919 2005-07-16 Jan Hubicka <jh@suse.cz>
5921 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5922 after RTL profiling.
5924 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5927 * fold-const.c (build_range_check): Convert high/low to etype
5928 if we are only comparing against exp.
5930 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5932 Fix PR tree-optimization/22376
5933 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5935 (need_to_solve): New function.
5936 (compute_points_to_sets): Use it.
5938 2005-07-15 Jan Hubicka <jh@suse.cz>
5940 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5941 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5943 2005-07-15 Richard Guenther <rguenther@suse.de>
5945 * c-common.c (handle_flatten_attribute): New function.
5946 Add flatten function attribute.
5947 * doc/extend.texi: Document flatten function attribute.
5948 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5949 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5951 (cgraph_decide_inlining): Handle functions with flatten
5954 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5956 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5957 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5958 UNSPEC_XCHG, UNSPEC_AND): New.
5959 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5960 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5961 * config/rs6000/sync.md (FETCHOP): New code macro.
5962 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5964 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5965 (sync_compare_and_swap<mode>): Same.
5966 (sync_lock_test_and_set<mode>): Same.
5967 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5968 for QImode and HImode, and not PPC405.
5969 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5970 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5971 (sync_<fetchop>{si,di}_internal): New.
5972 (sync_nand{si,di}_internal): New.
5973 (sync_old_<fetchop>{si,di}_internal): New.
5974 (sync_old_nand{si,di}_internal): New
5975 (sync_new_<fetchop>{si,di}_internal): New.
5976 (sync_new_nand{si,di}_internal): New.
5977 (atomic_and{si,di}): New.
5978 (sync_new_nand{si,di}_internal): New.
5979 (atomic_and{si,di}): New.
5980 (sync_add<mode>_internal): Delete.
5981 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5982 (sync_sub<mode>_internal): Delte.
5983 (sync_subshort_internal): New.
5984 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5985 (sync_anddi_internal): Delete.
5986 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5987 (sync_booldi_internal): Delete.
5988 (sync_boolc<mode>_internal): Delete.
5989 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5990 (sync_boolc<mode>_internal2): Delete.
5991 (sync_boolcc<mode>_internal): Delete.
5992 (isync, lwsync): Use unspec instead of unspec_volatile.
5993 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5994 Revert UNSPEC_VOLATILE.
5995 (rs6000_split_atomic_op): New.
5996 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5998 2005-07-14 Eric Christopher <echristo@redhat.com>
6000 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6001 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6003 2005-07-14 Eric Christopher <echristo@redhat.com>
6005 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6007 2005-07-14 Steven Bosscher <stevenb@suse.de>
6009 PR tree-optimization/22230
6010 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6011 the computation of the four cross productions for "range op range".
6013 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6014 Ulrich Weigand <uweigand@de.ibm.com>
6017 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6020 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6022 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6024 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6026 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6028 2005-07-14 Richard Guenther <rguenther@suse.de>
6031 * config/i386/i386-protos.h (ix86_function_value): Change
6032 prototype to match new target hook.
6033 * config/i386/i386.c (ix86_value_regno): Change prototype
6034 to take extra type argument.
6035 (TARGET_FUNCTION_VALUE): Define.
6036 (ix86_function_ok_for_sibcall): Pass extra argument to
6037 ix86_value_regno, check return slot rtx for exact match.
6038 (ix86_function_value): Take extra parameter. Dispatch to
6039 ix86_value_regno with fndecl/fntype as provided.
6040 (ix86_value_regno): Handle extra type argument.
6041 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6043 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6044 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6045 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6046 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6047 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6049 2005-07-14 Richard Guenther <rguenther@suse.de>
6051 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6052 * calls.c (expand_call): Pass fntype to hard_function_value.
6053 (emit_library_call_value_1): Likewise.
6054 * explow.c: Include target.h.
6055 (hard_function_value): Take extra argument, the fntype.
6056 Use new target hook for function_value.
6057 * expr.h (hard_function_value): Change prototype.
6058 * function.c (aggregate_value_p): Pass 0 as fntype to
6059 hard_function_value.
6060 (assign_parms): Use new target hook for function_value.
6061 Pass 0 as fntype to hard_function_value.
6062 (expand_function_end): Likewise.
6063 * reg-stack.c: Include target.h.
6064 (stack_result): Use new target hook for function_value.
6065 * target-def.h: New target hook function_value.
6066 * target.h: Likewise.
6067 * targhooks.c (default_function_value): New function.
6068 * targhooks.h (default_function_value): Declare.
6070 2005-07-13 Ian Lance Taylor <ian@airs.com>
6072 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6074 2005-07-14 Jan Hubicka <jh@suse.cz>
6076 * tree-dfa.c (dump_variable): Use default_def function.
6077 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6078 * tree-ssa.c (verify_use): Likewise.
6079 * tree-ssanames.c (release_ssa_name): Likewise.
6080 * tree-tailcall.c (eliminate_tail_call): Likewise.
6081 (tree_optimize_tail_calls_1): Likewise.
6082 * tree-vrp.c (get_value_range): Likewise.
6084 2005-07-14 Ben Elliston <bje@au.ibm.com>
6086 * gcc.c (main): Compare language[0] with '*' when iterating over
6089 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6091 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6092 "s390_emit_compare". Add handling of CCZ1mode.
6093 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6094 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6096 (s390_branch_condition_mask): Add CCZ1mode handling.
6097 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6098 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6099 Use CCZ1mode instead of CCZmode.
6100 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6102 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6104 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6106 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6108 2005-07-13 Eric Christopher <echristo@redhat.com>
6110 * config/mips/mips.c (mips_canonicalize_comparison): New.
6111 (mips_emit_int_relational): Use.
6113 2005-07-13 Eric Christopher <echristo@redhat.com>
6115 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6117 * config/s390/s390.md: Include tpf.md. Move tpf specific
6119 * config/s390/tpf.md: To here.
6120 * config/s390/s390.opt: Move tpf specific options...
6121 * config/s390/tpf.opt: to here. Add mmain option.
6122 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6123 * config/s390/tpf.h: Rewrite.
6125 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6127 * doc/tm.texi: Remove @xref{Cross-profiling}.
6129 2005-07-13 Jeff Law <law@redhat.com>
6131 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6132 expressions, test their _DECL operands for pointer equality rather
6133 than using operand_equal_p.
6135 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6137 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6138 (TARGET_POSIX_IO): This.
6139 * config/darwin.h: Likewise.
6140 * config/freebsd.h: Likewise.
6141 * config/linux.h: Likewise.
6142 * config/lynx.h: Likewise.
6143 * config/netbsd.h: Likewise.
6144 * config/rs6000/linux64.h: Likewise.
6145 * config/rs6000/linux.h: Likewise.
6146 * config/s390/tpf.h: Likewise.
6147 * config/sh/embed-elf.h: Likewise.
6148 * config/sparc/linux64.h: Likewise.
6149 * config/sparc/linux.h: Likewise.
6150 * config/svr4.h: Likewise.
6151 * gcov-io.h: Likewise.
6153 * doc/tm.texi: Updated.
6155 * libgcov.c (create_file_directory): Defined only if
6156 TARGET_POSIX_IO is defined.
6157 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6160 2005-07-13 Jan Hubicka <jh@suse.cz>
6162 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6164 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6166 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6167 structure as argument.
6169 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6171 PR tree-optimization/21921
6172 * tree-iterator.c (tsi_link_before): Support the case when
6173 tsi_end_p (tsi) == true.
6175 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6177 PR tree-optimization/22442
6178 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6181 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6183 PR rtl-optimization/20376
6184 * toplev.c (process_options): Enable -fweb and -frename-registers when
6186 * doc/invoke.texi: Update the information about when -fweb and
6187 -frename-registers are enabled.
6189 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6192 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6193 if *rhs_p is not a SSA_NAME.
6195 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6197 Fix PR tree-optimization/22422
6198 * tree-ssa-structalias.c (struct variable_info): Add flag for
6200 (get_varinfo): Now a static function.
6201 (new_varinfo): init has_union and is_special_var to false.
6202 (solution_set_add): Check has_union.
6203 (do_da_constraint): Move temporary variable so it gets reset
6205 Also check for special variable.
6206 (do_ds_constraint): Ditto.
6207 (do_sd_constraint): Ditto.
6208 (do_structure_copy): Check for special variable.
6209 (find_func_aliases): Ditto.
6210 (init_base_vars): Set special vars properly.
6212 2005-07-13 Jan Hubicka <jh@suse.cz>
6214 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6217 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6218 (get_expr_operands): Fix thinko wrt flags and subvars.
6220 PR tree-optimize/22379
6221 * tree-inline.c (expand_call_inline): Do not output sorry in early
6224 2005-07-12 Dale Johannesen <dalej@apple.com>
6226 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6228 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6231 * host-linux.h: Include limits.h.
6233 2005-07-12 Dale Johannesen <dalej@apple.com>
6235 * expr.c (compress_float_constant): Add cost check.
6236 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6238 2005-07-12 Dale Johannesen <dalej@apple.com>
6240 * gcc.target/i386/compress-float-sse.c: New.
6241 * gcc.target/i386/compress-float-sse-pic.c: New.
6242 * gcc.target/i386/compress-float-387.c: New.
6243 * gcc.target/i386/compress-float-387-pic.c: New.
6244 * gcc.dg/compress-float-ppc.c: New.
6245 * gcc.dg/compress-float-ppc-pic.c: New.
6247 2005-07-12 Eric Christopher <echristo@redhat.com>
6249 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6251 * config/s390/s390.md: Include tpf.md. Move tpf specific
6253 * config/s390/tpf.md: To here.
6254 * config/s390/s390.opt: Move tpf specific options...
6255 * config/s390/tpf.opt: to here. Add mmain option.
6256 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6257 * config/s390/tpf.h: Rewrite.
6259 2005-07-12 Eric Christopher <echristo@redhat.com>
6261 * gcc.c (struct infile): Update comment for language.
6262 (main): Rewrite input file resetting code.
6264 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6267 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6268 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6269 (lookup_avail_expr): Use constant_boolean_node instead
6270 of boolean_false_node/boolean_true_node.
6272 2005-07-12 Ben Elliston <bje@au.ibm.com>
6274 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6275 and use it when printing num_edges.
6277 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6279 * doc/extend.texi (Blackfin Built-in Functions): New section.
6280 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6283 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6285 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6286 s/cmpstrsi/cmpstrnsi
6287 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6289 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6290 (init_optabs): Initialize cmpstrn_optab.
6291 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6292 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6293 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6294 * config/i386/i386.md: s/cmpstr/cmpstrn
6295 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6296 * doc/md.texi: Update documentation.
6298 2005-07-11 Richard Henderson <rth@redhat.com>
6300 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6301 build_va_arg_indirect_ref.
6302 (alpha_gimplify_va_arg): Likewise.
6303 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6304 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6305 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6306 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6307 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6308 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6310 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6312 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6314 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6315 * passes.c (init_optimization_passes): Add pass_empty_loop.
6316 * tree-pass.h (pass_empty_loop): Declare.
6317 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6318 try_remove_empty_loop, remove_empty_loops): New functions.
6319 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6320 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6322 2005-07-12 Peter Barada <peter@the-baradas.com>
6326 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6327 in address registers.
6328 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6329 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6330 alternative of addsi3_5200.
6332 2005-07-11 Ian Lance Taylor <ian@airs.com>
6334 * config/mips/mips.md (ffs<mode>2): Remove.
6336 2005-07-11 Ian Lance Taylor <ian@airs.com>
6338 * doc/tree-ssa.texi (Cleanups): Improve description of
6340 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6342 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6344 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6345 * tree.h (DECL_ARGUMENT_FLD): New macro.
6347 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6349 Fix PR tree-optimization/22404
6351 * tree-ssa-structalias.c (create_variable_info_for): Use
6354 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6356 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6357 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6358 for second comparison operand.
6359 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6361 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6362 (define_insn_reservation "alu"): Likewise.
6363 (csync, ssync): Now of type sync.
6364 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6365 -mcsync-anomaly -mspecld-anomaly.
6366 * config/bfin/bfin.opt (mcsync): Remove.
6367 (mcsync-anomaly, mspecld-anomaly): Add.
6368 * config/bfin/bfin.c: Include "insn-codes.h".
6369 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6370 (TARGET_DEFAULT_TARGET_FLAGS): New.
6371 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6373 2005-07-11 Steven Bosscher <stevenb@suse.de>
6375 * basic-block.h: Give the BB flags enum a name, bb_flags.
6376 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6377 * cfgcleanup.c (enum bb_flags): Remove here.
6378 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6379 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6380 (update_forwarder_flag): Likewise.
6381 (thread_jump): Likewise.
6382 (try_forward_edges): Likewise.
6383 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6384 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6385 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6387 2005-07-11 Richard Guenther <rguenther@suse.de>
6389 * config/i386/i386.opt: New target option -msseregparm.
6390 * config/i386/i386.c (override_options): Error out for
6391 -msseregparm but no SSE support.
6392 (ix86_function_sseregparm): Check for global sseregparm.
6393 * doc/invoke.texi: Document -msseregparm.
6395 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6397 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6398 (m32rle-*-linux*): Ditto.
6400 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6402 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6403 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6406 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6410 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6411 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6413 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6415 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6416 (varmap): Heapify varmap.
6417 (constraints): Heapify constraints.
6418 (struct constraint_graph): Heapify succs and preds.
6419 (constraint_vec_find): Update for heapification.
6420 (constraint_set_union): Ditto.
6421 (insert_into_complex): Ditto.
6422 (constraint_edge_vec_find): Ditto.
6423 (erase_graph_self_edge): Ditto.
6424 (add_graph_edge): Ditto.
6425 (get_graph_weights): Ditto.
6426 (merge_graph_nodes): Ditto.
6427 (build_constraint_graph): Ditto.
6428 (topo_visit): Ditto.
6429 (solve_graph): Ditto.
6430 (create_variable_info_for): Ditto.
6431 (init_base_vars): Ditto.
6432 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6433 (condese_varmap_nodes): Free complex vector.
6434 (clear_edges_for_node): Clear succs and preds vector.
6436 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6438 * tree-ssa-structalias.c (update_alias_info): Change counting of
6439 references to not include vdefs.
6441 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6443 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6446 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6448 * pa.c (pa_commutative_p): Make PLUS commutative when
6449 TARGET_NO_SPACE_REGS is true.
6451 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6453 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6454 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6455 * tree-dfa.c (dump_subvars_for): New.
6456 (debug_subvars_for): New.
6457 (dump_variable): Show subvariables if VAR has them.
6458 * tree-flow-inline.h (get_subvar_at): New.
6459 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6460 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6462 (struct subvar): Change fields offset and size to unsigned
6464 (dump_subvars_for): Declare.
6465 (debug_subvars_for): Declare.
6466 (get_subvar_at): Declare.
6467 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6468 to unsigned HOST_WIDE_INT *.
6469 (overlap_subvar): Likewise.
6470 * tree-gimple.c (is_gimple_reg): Always return false for
6471 SFTs and memory tags.
6472 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6474 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6475 (compute_may_aliases): Call compute_points_to_sets.
6476 (collect_points_to_info_for): Remove.
6477 (compute_points_to_and_addr_escape): Remove.
6478 (delete_alias_info): Call delete_points_to_sets.
6479 (compute_flow_sensitive_aliasing): If the call to
6480 find_what_p_points_to returns false, call set_pt_anything.
6481 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6482 (set_pt_anything): Clear pi->pt_vars.
6483 (set_pt_malloc): Remove.
6484 (merge_pointed_to_info): Remove.
6485 (add_pointed_to_expr): Remove.
6486 (add_pointed_to_var): Remove.
6487 (collect_points_to_info_r): Remove.
6488 (is_escape_site): Make extern.
6490 (create_overlap_variables_for): Call it.
6491 * tree-ssa-copy.c (merge_alias_info): Never merge
6492 flow-sensitive alias information.
6493 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6494 offset and size to be unsigned HOST_WIDE_INT.
6495 (add_to_addressable_set): Rename from note_addressable.
6496 Set TREE_ADDRESSABLE as the variables are added to the set.
6498 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6499 operands into VUSEs when adding V_MAY_DEFs for members in an
6501 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6502 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6503 (struct variable_info): Add bitfield is_heap_var.
6504 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6505 (new_var_info): Initialize is_heap_var.
6506 (get_constraint_for): Add HEAP variables to the symbol table.
6507 Mark them with is_heap_var.
6508 (update_alias_info): New. Taken mostly from the old
6509 compute_points_to_and_addr_escape.
6510 (handle_ptr_arith): New.
6511 (find_func_aliases): Call update_alias_info.
6512 Call handle_ptr_info for tcc_binary expressions.
6513 Call mark_stmt_modified.
6514 (create_variable_info_for): If DECL has subvars, do not create
6515 variables for its subvars. Always add all the fields.
6516 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6517 SFTs, then add all the SFTs of the structure.
6518 If VI->DECL is an aggregate with subvariables, add the SFT at
6520 (find_what_p_points_to): If VI is an artificial variable,
6521 translate to bitfields in SSA_NAME_PTR_INFO.
6522 If the solution is empty, set pi->pt_vars to NULL
6523 (init_base_vars): Create ANYOFFSET.
6524 (compute_points_to_sets): Rename from create_alias_vars.
6526 (pass_build_pta): Remove.
6527 (delete_points_to_sets): Rename from delete_alias_vars.
6528 (pass_del_pta): Remove.
6529 * tree-ssa-structalias.h (struct alias_info): Move from
6531 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6532 NUM_REFERENCES_SET): Likewise.
6533 (compute_points_to_sets, delete_points_to_sets): Declare.
6535 2005-07-09 Richard Henderson <rth@redhat.com>
6537 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6538 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6539 alpha_split_lock_test_and_set_12): New functions.
6540 * config/alpha/alpha-protos.h: Update.
6541 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6542 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6543 * config/alpha/sync.md (I12MODE): New.
6544 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6545 (sync_<fetchop_name><I48MODE>): Likewise.
6546 (sync_nand<I48MODE>): Likewise.
6547 (sync_old_<fetchop_name><I48MODE>): Likewise.
6548 (sync_new_<fetchop_name><I48MODE>): Likewise.
6549 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6550 (sync_compare_and_swap<I48MODE>): Likewise.
6551 (sync_lock_test_and_set<I48MODE>): Likewise.
6552 (sync_compare_and_swap<I12MODE>): New.
6553 (sync_compare_and_swap<I12MODE>_1): New.
6554 (sync_lock_test_and_set<I12MODE>): New.
6555 (sync_lock_test_and_set<I12MODE>_1): New.
6557 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6561 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6563 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6565 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6566 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6568 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6571 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6573 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6575 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6576 memory_operand constraint.
6577 (store_conditional_<mode>): Same.
6578 (sync_compare_and_swap<mode>): Same.
6579 (sync_lock_test_and_set<mode>): Same.
6581 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6583 Rewrite PIC support to more closely model actual instructions.
6584 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6585 (cris_symbol): Remove prototypes for removed functions.
6586 (cris_pic_symbol_type_of, cris_valid_pic_const)
6587 (cris_expand_pic_call_address): Prototypes for new functions.
6588 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6590 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6592 <case ':'>: Add case for new punctuation character.
6593 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6594 emitting (extra) PIC modifier.
6595 <case UNSPEC>: Do not assert for PLT.
6596 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6597 (cris_expand_prologue, cris_expand_epilogue): Check
6598 for pic_offset_table_rtx usage instead of taking
6599 current_function_uses_pic_offset_table as the final word.
6600 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6601 Remove flag_pic difference.
6602 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6603 the moral equivalents of...
6604 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6606 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6607 (cris_handle_option): Mark ARG as unused.
6608 (cris_expand_pic_call_address): New worker function for "call",
6610 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6611 output PIC constructs here.
6612 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6613 as symbol-specific modifers, not whole or part of operands.
6614 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6615 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6616 constants and flag_pic.
6617 (CONSTANT_INDEX_P): Adjust for new functions.
6618 (enum cris_pic_symbol_type): New helper type.
6619 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6620 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6621 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6623 ("movsi"): Emit actual instructions for GOT and relative access.
6624 ("*movsi_got_load"): New pattern to set up the register holding
6626 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6627 Adjust FIXME for 'S'.
6628 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6629 Use "movs" for -fpic cases.
6630 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6631 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6632 ("call", "call_value"): Just call cris_expand_pic_call_address for
6634 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6635 Remove special pattern.
6636 ("*expanded_call_side", "*expanded_call_value_side"): New
6638 (gotplt-to-plt, gotplt-to-plt-side-call)
6639 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6641 * config/cris/cris/predicates.md
6642 ("cris_general_operand_or_gotless_symbol"): Remove unused
6644 ("cris_general_operand_or_symbol"): Adjust for new functions.
6646 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6648 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6650 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6652 * Makefile.in (TREE_H): Add treestruct.def.
6653 (c-decl.o): Add pointer-set.h
6654 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6655 visibility on regular DECL's.
6656 (merge_decls): Fix the copying of decl nodes of various types for
6657 the new structures. Don't update RTL, section name, weak status,
6658 etc, on DECL's without RTL.
6659 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6660 Don't check volatile on non-variable types.
6661 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6662 to check whether we have seen arguments.
6663 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6664 flag is checked before field (flag is common, field is not).
6665 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6666 TS_DECL_COMMON could have an origin.
6667 (add_location_or_const_value_attribute): Don't check section name
6668 on non-var/function decls.
6669 (dwarf2out_var_location): Reverse order of tests.
6670 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6671 with DECL_WRTL_CHECK.
6672 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6673 * fold-const.c (fold_binary): Don't check weakness on
6674 non-var/function decls.
6675 (tree_expr_nonzero_p): Ditto.
6676 (fold_checksum_tree): Use tree_decl_extra as sizeof
6678 * ggc-page.c (extra_order_size_table): Add sizes for
6679 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6681 * gimplify.c (gimplify_bind_expr): Only set
6682 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6683 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6685 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6686 * langhooks.h (init_ts). New langhook.
6687 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6688 * print-tree.c (print_node): Update to only print fields that
6689 exist in the structures the passed decl has.
6690 * toplev.c (wrapup_global_declarations): Don't reset
6691 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6692 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6693 * tree-inline.c (remap_decl): Ditto.
6694 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6695 * tree-pretty-print.c (print_declaration): Don't print
6696 DECL_REGISTER on things that don't contain it.
6697 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6698 non-var/function decls.
6699 * tree.c (tree_contains_struct): New structure.
6700 (init_priority_for_decl): New hashtable.
6701 (tree_int_map): New structure.
6702 (tree_int_map_eq): New function.
6703 (tree_int_map_marked_p): Ditto.
6704 (tree_int_map_hash): Ditto.
6705 (tree_map): Move to tree.h.
6706 (tree_map_eq): Externalize.
6707 (tree_map_hash): Ditto.
6708 (tree_map_marked_p): Ditto.
6709 (init_ttree): Set up tree_contains_struct and call langhook.
6710 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6711 (tree_code_size): Update for new structures.
6712 (tree_node_structure): Update for new structures.
6713 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6715 (copy_node_stat): Copy init priority.
6716 (build_decl_stat): Ditto for visibility.
6717 (ts_enum_names): New.
6718 (tree_contains_struct_check_failed): New function.
6719 (decl_init_priority_lookup): Ditto.
6720 (decl_init_priority_insert): Ditto.
6721 * treestruct.def: New file.
6722 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6723 (CONTAINS_STRUCT_CHECK): Ditto.
6724 (tree_contains_struct_check_failed): New prototype.
6725 (DECL_CHECK): Removed.
6726 (DECL_MINIMAL_CHECK): New.
6727 (DECL_COMMON_CHECK): Ditto.
6728 (DECL_WRTL_CHECK): Ditto.
6729 (DECL_NON_COMMON_CHECK): Ditto.
6730 (DECL_WITH_VIS_CHECK): Ditto.
6731 (VAR_OR_FUNCTION_DECL_P): Ditto
6732 (struct tree_decl_minimal): New structure.
6733 (struct tree_decl_common): Ditto.
6734 (struct tree_decl_with_rtl): Ditto.
6735 (struct tree_decl_with_vis): Ditto.
6736 (struct tree_decl_non_common): Ditto.
6737 (struct tree_field_decl): Ditto.
6738 (struct tree_parm_decl): Ditto.
6739 (struct tree_var_decl): Ditto.
6740 (struct tree_function_decl): Ditto.
6741 (struct tree_const_decl): Ditto.
6742 (struct tree_result_decl): Ditto.
6743 (union tree_node): Add new structures.
6744 * var-tracking.c (track_expr_p): Reverse order of tests.
6746 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6748 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6750 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6751 * system.h: Poison FINALIZE_PIC.
6752 * doc/tm.texi (FINALIZE_PIC): Remove.
6754 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6757 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6758 to the correct type if we have a MODIFY_EXPR.
6760 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6762 PR tree-optimization/22360
6763 * tree.c (upper_bound_in_type): Fix calculations for casting
6764 to a non-wider signed type and casting a signed value to a
6765 wider unsigned type.
6766 (lower_bound_in_type): Fix calculations for casting to a
6767 non-wider signed type.
6769 PR tree-optimization/20139
6770 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6772 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6773 fold_cond_expr_cond.
6774 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6775 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6777 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6780 * tree-complex.c (expand_complex_libcall): Produce
6781 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6783 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6785 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6786 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6787 b" assert and inserted fastpath code for this case.
6788 (bitmap_ior): Removed "a != b" assert.
6790 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6792 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6793 (ENDFILE_SPEC): Likewise.
6794 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6796 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6797 a large stack frame at epilogue.
6799 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6801 * final.c: Include sdbout.h when required.
6803 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6805 * config.gcc (*-*-darwin*): Only one target-specific header file
6807 (powerpc-*-darwin*): Add version-specific header files.
6808 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6809 * config.in: Regenerate.
6810 * configure: Regenerate.
6811 * gcc.c: Include xregex.h.
6812 (version_compare_spec_function): New.
6813 (spec_function): Add version-compare.
6814 (replace_outfile_spec_function): Reformat comment.
6815 (compare_version_strings): New.
6816 * config/darwin-c.c (version_as_macro): New.
6817 (builtin_define): New.
6818 (darwin_cpp_builtins): New.
6819 * config/darwin-protos.h (darwin_cpp_builtins): New.
6820 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6821 (LIB_SPEC): Make unconditional, update comment.
6822 (TARGET_C99_FUNCTIONS): Define.
6823 * config/darwin.opt: Sort.
6824 (mmacosx-version-min=): New.
6825 * config/darwin7.h: Delete.
6826 * config/darwin8.h: Delete.
6827 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6828 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6829 (TARGET_C99_FUNCTIONS): Define.
6830 * config/rs6000/darwin7.h: New.
6831 * config/rs6000/darwin8.h: New.
6832 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6833 (-mmacosx-version-min): Document.
6835 2005-07-07 Ian Lance Taylor <ian@airs.com>
6837 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6839 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6842 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6844 2005-07-07 Khem Raj <kraj@mvista.com>
6846 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6847 in bytes, not words.
6849 2005-07-07 Paul Brook <paul@codesourcery.com>
6851 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6852 DEFAULT_FUNCTION_ARG_PADDING to upward.
6854 2005-07-07 Richard Henderson <rth@redhat.com>
6856 * function.c (locate_and_pad_parm): Record parameter alignment in
6857 stack_alignment_needed.
6859 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6861 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6862 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6863 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6864 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6865 (define_attr "type"): Add isync, sync, load_l, store_c.
6866 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6867 Create scratch volatile MEM.
6868 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6870 (load_locked_<mode>): New.
6871 (store_conditional_<mode>): New.
6872 (sync_compare_and_swap<mode>): Replace with splitter.
6873 (sync_lock_test_and_set<mode>): Replace with splitter.
6874 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6876 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6877 is ics. Attribute isync.
6878 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6880 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6881 and UNSPECV_SYNC_OP.
6882 (emit_unlikely_jump): New.
6883 (emit_load_locked): New.
6884 (emit_store_conditional): New.
6885 (rs6000_split_compare_and_swap): New.
6886 (rs6000_split_lock_test_and_set): New.
6887 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6888 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6889 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6890 rs6000_split_lock_test_and_set): Declare.
6891 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6892 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6893 store_c, isync, sync.
6895 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6897 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6898 filenames to gtyp-gen.h.
6899 (s-typ-gen): Use it in place of for loops.
6901 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6903 * hooks.c (hook_bool_rtx_int_false): New function.
6904 * hooks.h (hook_bool_rtx_int_false): Declare.
6905 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6906 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6907 * target.h (struct gcc_target): Add commutative_p member.
6908 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6909 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6910 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6911 (pa_commutative_p): New function.
6912 * jump.c (target.h): Include.
6913 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6914 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6916 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6918 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6919 (s390_expand_setmem): New.
6920 * config/s390/s390.c: Likewise.
6921 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6923 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6924 general_operand. Call new function "s390_expand_setmem".
6925 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6926 ("setmem_long", "*setmem_long"): ... this.
6928 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6930 * config/s390/s390.c: (optimization_options): Enable
6931 TARGET_MVCLE at -Os.
6932 * doc/invoke.texi: Document changes in default behaviour.
6933 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6935 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6937 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6938 defined by back-end.
6940 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6942 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6943 all sets in the pattern.
6944 * config/rs6000/rs6000.md (stack_protect_testsi,
6945 stack_protect_testdi): Likewise.
6947 2005-07-06 Jeff Law <law@redhat.com>
6949 * tree-vrp.c (simplify_using_ranges): Kill.
6950 (vrp_finalize): Remove call to simplify_using_ranges.
6951 (simplify_stmt_using_ranges): New function extracted from
6952 simplify_using_ranges.
6953 (simplify_div_or_mod_using_ranges): Likewise.
6954 (simplify_abs_using_ranges): Likewise.
6955 (simplify_cond_using_ranges): New function.
6956 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6957 * tree-ssa-propagate.c (substitute_and_fold): Call
6958 simplify_stmt_using_ranges if we have range information.
6960 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6962 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6963 ia64_flag_schedule_isns2.
6965 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6966 reading/writing general registers.
6967 (ia64_function_arg): Revert 2005-06-18 change.
6969 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6971 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6972 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6974 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6976 * function.c (expand_function_end): Revert part of 2005-06-27
6977 patch. Do sjlj_emit_function_exit_after after return_label.
6979 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6981 * doc/install.texi (--disable-libssp): New.
6983 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6985 * doc/invoke.texi: Update -fforce-mem documentation.
6986 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6987 code for -fforce-mem.
6988 * expmed.c: (store_bit_field,store_fixed_bit_field,
6989 extract_bit_field): Ditto.
6990 * expr.c: (convert_move): Ditto.
6991 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6992 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6993 emit_conditional_add,expand_float,expand_fix): Ditto.
6994 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6995 (common_handle_option): Issue warning when -fforce-mem specified.
6997 2005-07-06 Paul Brook <paul@codesourcery.com>
6999 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7001 * configure: Regenerate.
7003 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7005 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7007 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7009 Fix PR tree-optimization/22319
7010 Fix PR tree-optimization/22140
7011 Fix PR tree-optimization/22310
7013 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7014 variable sized types.
7015 Use correct type for intermediate structure on *a = *b structure
7018 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7020 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7022 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7023 (machine_function): Move typedef to...
7024 * config/rs6000/rs6000.c (machine_function): ... here. Add
7025 varargs_save_offset field.
7026 (rs6000_stack_t): Remove varargs_size field.
7027 (setup_incoming_varargs): Allocate varargs save area using
7028 assign_stack_local, try to make it as small as possible.
7029 Save offset from virtual_stack_vars_rtx to the save area
7030 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7031 instead of magic 8 when fp word byte size is used.
7032 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7033 instead of -RS6000_VARARGS_SIZE.
7034 (rs6000_stack_info, debug_stack_info,
7035 rs6000_initial_elimination_offset): Remove all traces of
7037 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7038 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7039 RS6000_VARARGS_AREA.
7041 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7043 PR tree-optimization/21963
7044 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7045 constant_multiple_of in the same way get_computation_cost_at does.
7047 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7049 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7050 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7051 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7052 and return its previous value.
7053 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7054 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7056 (stack_protect_set, stack_protect_test): New expanders.
7057 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7058 stack_protect_testdi): New insns.
7059 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7060 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7062 2005-07-06 Jeff Law <law@redhat.com>
7064 * tree-ssa-dce.c (cfg_altered): New global.
7065 (tree_dce_init): Initialize cfg_altered.
7066 (remove_dead_stmt): If we remove an edge in the CFG, then set
7068 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7071 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7073 * Makefile.in (stamp-collect-ld): Use
7074 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7075 ./collect-ld if it already exists.
7076 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7077 Don't remove ./nm if it already exists.
7079 2005-07-05 Devang Patel <dpatel@apple.com>
7081 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7082 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7083 * tree-vectorizer.c (vect_loop_location): New.
7084 (vect_print_dump_info): Use vect_loop_location.
7085 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7086 (vectorize_loops): Set vect_loop_location.
7087 * tree-vect-analyze.c (vect_analyze_offset_expr,
7088 vect_determin_vectorization_factor, vect_analyze_operations,
7089 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7090 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7091 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7092 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7093 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7094 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7095 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7096 vect_analyze_loop): Adjust vect_print_dump_info API.
7097 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7098 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7099 vect_finish_stmt_generation, vectorizable_assignment,
7100 vectorizable_operation, vectorizable_store, vectorizable_load,
7101 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7102 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7103 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7104 vect_transform_loop): Same.
7105 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7106 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7109 2005-07-05 Randolph Chung <tausq@debian.org>
7111 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7112 * configure: Regenerate.
7113 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7114 (pa_tls_referenced_p): Declare.
7115 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7116 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7117 (legitimize_tls_address): New.
7118 (hppa_legitimize_address): Handle TLS addresses.
7119 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7120 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7121 (emit_move_sequence): Handle TLS addresses.
7122 (pa_encode_section_info): Call default handler to handle common
7124 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7125 (CONSTANT_ADDRESS_P): Reject TLS operands.
7126 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7127 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7128 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7129 (UNSPEC_TLSLE): Define new constants.
7130 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7131 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7132 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7133 (tie_symbolic_operand, tle_symbolic_operand): New
7135 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
7137 * aclocal.m4: Update macros for autoconf 2.59 style.
7138 * configure.ac: Likewise.
7140 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7142 * pa.c (function_value): Handle small aggregates on 32-bit targets.
7143 (function_arg): Pass small aggregates in general registers on 32-bit
7145 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7147 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7149 * Makefile.in (final.o): Fix dependencies.
7151 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7155 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7156 * langhooks.c (lhd_expr_to_decl): New.
7157 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7159 (LANG_HOOKS_INITIALIZER): Update.
7160 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7161 expr_to_decl langhook.
7162 * c-tree.h (c_expr_to_decl): Declare.
7163 * c-typeck.c (c_expr_to_decl): New.
7164 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7166 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7168 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7171 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7172 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7174 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7176 * Makefile.in: Adjust dependencies.
7177 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7178 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7179 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7180 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7181 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7182 rest_of_compilation.
7184 * bb-reorder.c (gate_duplicate_computed_gotos,
7185 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7186 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7187 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7188 pass_partition_blocks): New.
7189 * bt-load.c (gate_handle_branch_target_load_optimize,
7190 rest_of_handle_branch_target_load_optimize,
7191 pass_branch_target_load_optimize): New.
7192 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7194 * cfglayout.c (pass_insn_locators_initialize): New.
7195 * cfgrtl.c (pass_free_cfg): New.
7196 * combine.c (gate_handle_combine, rest_of_handle_combine,
7198 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7199 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7200 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7201 * except.c (pass_set_nothrow_function_flags,
7202 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7204 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7205 rest_of_handle_shorten_branches, pass_shorten_branches,
7206 rest_of_clean_state, pass_clean_state): New.
7207 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7208 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7209 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7211 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7212 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7213 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7214 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7216 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7217 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7218 pass_rtl_ifcvt, gate_handle_if_after_combine,
7219 rest_of_handle_if_after_combine, pass_if_after_combine,
7220 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7221 pass_if_after_reload): New.
7222 * integrate.c (pass_initial_value_sets): New.
7223 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7224 pass_purge_lineno_notes): New.
7225 * mode-switching.c (rest_of_handle_mode_switching,
7226 pass_mode_switching): New.
7227 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7228 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7230 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7231 pass_loop_optimize): New.
7232 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7234 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7236 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7237 pass_postreload_cse): New.
7238 * profile.c (gate_handle_profiling, pass_profiling,
7239 rest_of_handle_branch_prob, pass_branch_prob): New.
7240 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7241 pass_split_before_regstack, gate_handle_split_before_regstack,
7242 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7243 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7244 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7245 pass_stack_regs): New.
7246 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7247 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7248 pass_stack_adjustments): New.
7249 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7250 pass_regrename): New.
7251 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7252 pass_delay_slots, gate_handle_machine_reorg,
7253 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7254 * rtl.h (extern void purge_line_number_notes): New.
7255 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7256 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7258 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7260 * value-prof.c (gate_handle_value_profile_transformations,
7261 rest_of_handle_value_profile_transformations,
7262 pass_value_profile_transformations): New.
7263 * var-tracking.c (gate_handle_var_tracking,
7264 pass_variable_tracking): New.
7265 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7267 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7268 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7269 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7270 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7271 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7272 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7273 rest_of_handle_gcse2, rest_of_handle_regmove,
7274 rest_of_handle_tracer, rest_of_handle_if_conversion,
7275 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7276 rest_of_handle_web, rest_of_handle_branch_prob,
7277 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7278 rest_of_handle_jump_bypass, rest_of_handle_combine,
7279 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7280 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7281 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7282 rest_of_handle_mode_switching, rest_of_handle_jump,
7283 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7284 rest_of_handle_flow2, rest_of_handle_jump2,
7285 rest_of_handle_peephole2, rest_of_handle_postreload,
7286 rest_of_handle_shorten_branches, rest_of_clean_state,
7287 rest_of_compilation): Remove.
7289 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7290 * passes.c (dump_flags, in_gimple_form, all_passes,
7291 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7292 register_dump_files, next_pass_1, last_verified, execute_todo,
7293 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7294 from tree-optimize.c.
7295 (init_optimization_passes): Moved from tree-optimize.c,
7296 adding the RTL optimizations.
7297 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7298 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7299 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7300 register_dump_files, next_pass_1, last_verified, execute_todo,
7301 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7302 init_tree_optimization_passes, ipa_passes): Delete.
7303 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7305 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7306 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7308 (ipa_passes): Remove.
7309 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7310 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7311 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7312 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7313 (dump_info_p, dump_flag): Moved to tree-dump.h.
7315 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7317 * passes.c (finish_optimization_passes): Use dump_begin
7318 and dump_end, TDI_end.
7319 (gate_rest_of_compilation): New.
7320 (pass_rest_of_compilation): Use it.
7321 (gate_postreload, pass_postreload): New.
7322 * toplev.c (general_init): Rename init_tree_optimization_passes.
7323 * toplev.h (init_tree_optimization_passes): Rename to
7324 init_optimizations_passes.
7325 * tree-dump.c (dump_flag): Make static.
7326 (dump_files): Remove RTL dumps.
7327 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7328 pass_cleanup_cfg, pass_free_cfg_annotations,
7329 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7330 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7331 * tree-pretty-print.c: Include tree-pass.h.
7332 * cgraph.c: Include tree-dump.h.
7334 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7336 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7337 Only fall back to saying it points to readonly memory if
7340 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7342 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7343 * config/m32r/m32r.c (m32r_compute_frame_size,
7344 m32r_expand_prologue): Take current_function_profile into
7345 account whenever we reference
7346 current_function_uses_pic_offset_table.
7347 (m32r_finalize_pic): Remove.
7348 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7350 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7352 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7353 instead of $<. Don't remove ./as if it already exists.
7355 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7358 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7359 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7360 for complex modes when generating code for PA 1.0.
7361 (VALID_FP_MODE_P): New macro.
7362 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7363 sets for all general and floating point modes. Align wide floating
7364 point modes to even register boundaries to comply with architectural
7366 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7367 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
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
7374 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7376 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7379 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7381 * tree-ssa-structalias.c: Don't include expr.h.
7383 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7385 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7388 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7390 Fix PR tree-optimization/22279
7392 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7395 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7397 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7399 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7401 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7402 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7403 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7404 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7405 config/stormy16/stormy16.c, config/v850/v850.c,
7406 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7407 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7408 Avoid "." or "\n" at end of diagnostics and capital letters at
7409 start of diagnostics.
7410 * combine.c, cse.c: Don't translate dump file output.
7411 * toplev.c (print_version): Only translate output if going to
7414 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7416 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7417 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7420 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7422 * pa.c (fix_range): Fix typo in comment.
7424 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7426 * tree-vrp.c (extract_range_from_assert): Replace
7427 fold (build (...)) with fold_build2.
7429 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7431 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7432 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7433 (format_types_orig, handle_format_attribute): Add support for
7436 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7438 * varasm.c (assemble_variable): Fix format specifier thinko.
7440 2005-07-03 Ira Rosen <irar@il.ibm.com>
7442 PR tree-optimization/22029 (and 22135)
7443 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7444 a phi node before calling dump_vops.
7446 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7448 * tree-dump.h (dump_string_field): Declare.
7449 * tree-dump.c: Use it instead of dump_string.
7450 (dump_string_field): Make non-static.
7452 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7454 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7455 up the minimal CFG stuff always when optimize > 0. Call
7456 split_all_insns_noflow in PIC case if needed.
7458 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7459 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7462 * c-decl.c (c_write_global_declarations): Dump contents of
7464 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7465 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7466 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7467 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7470 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7472 * c-common.h (GCC_DIAG_STYLE): Define.
7473 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7474 version for format checking to 4.1.
7475 * c-format.c: Include toplev.h after c-common.h.
7476 (enum format_type): Add gcc_tdiag_format_type.
7477 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7478 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7479 (format_types_orig): Add gcc_tdiag.
7480 (init_dynamic_diag_info): Support gcc_tdiag formats.
7481 (handle_format_attribute): Likewise.
7482 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7483 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7484 version for format checking to 4.1.
7485 (warning0, warning, error, pedwarn, sorry): Use
7487 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7488 (finish_aliases_1): Do not use %qE.
7489 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7490 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7491 Correct format bugs.
7492 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7493 parameter to unsigned HOST_WIDE_INT.
7494 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7496 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7499 * expr.c (write_complex_part): Use adjust_address for MEM.
7500 (read_complex_part): Same.
7502 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7504 Fix PR tree-optimization/22280
7506 * tree-sra.c (generate_element_init): Remove useless loop.
7508 2005-07-02 Richard Henderson <rth@redhat.com>
7510 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7512 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7514 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7517 * fold-const.c (fold_binary): Handle the return value of
7518 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7519 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7521 2005-07-02 Jeff Law <law@redhat.com>
7523 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7524 a eliminate type conversion which feeds an equality comparison
7525 if the original type or either operand in the comparison is a
7528 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7530 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7531 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7533 * config/avr/avr.c: Do not use '`' as left quote.
7534 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7535 Remove "." from end of diagnostics. Make diagnostics start with
7538 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7539 Joseph S. Myers <joseph@codesourcery.com>
7541 * toplev.c (default_tree_printer): Handle setting location with
7543 * c-objc.common.c (c_tree_printer): Likewise.
7544 * c-format.c (gcc_diag_flag_specs): Add '+'.
7545 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7546 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7548 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7549 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7550 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7551 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7552 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7553 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7554 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7555 format arguments where %J is used without %D.
7557 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7559 * gcc.c (LINK_SSP_SPEC): Define.
7560 (link_ssp_spec): New variable.
7561 (LINK_COMMAND_SPEC): Add %(link_ssp).
7562 (static_specs): Add link_ssp_spec.
7563 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7564 * configure: Rebuilt.
7565 * config.in: Rebuilt.
7567 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7568 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7569 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7570 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7571 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7572 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7573 -0x7008(2) instead of reading __stack_chk_guard variable.
7574 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7576 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7577 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7578 if TARGET_THREAD_SSP_OFFSET is defined.
7579 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7580 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7583 2005-06-27 Richard Henderson <rth@redhat.com>
7584 * libgcc-std.ver (GCC_4.1.0): New.
7585 * libgcc.h (__stack_chk_guard): Declare.
7586 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7587 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7588 * mklibgcc.in (lib2funcs): Add them.
7590 2005-07-01 Richard Henderson <rth@redhat.com>
7592 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7593 void * before struct sigcontext *.
7594 (x86_fallback_frame_state): Likewise.
7596 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7598 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7600 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7603 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7604 we check for SSA_NAME for.
7606 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7608 Fix PR tree-optimization/22071
7610 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7612 (get_constraint_for_component_ref): Use it.
7614 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7617 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7618 print out the last new line.
7620 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7622 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7623 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7624 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7625 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7626 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7627 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7628 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7629 (enum reg_class): New member CC0_REGS.
7630 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7631 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7632 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7633 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7634 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7635 Adjust for register now described.
7637 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7640 * config/i386/i386.md (stack_protect_test_si,
7641 stack_protect_test_di): Add earlyclobber for scratch 3.
7642 * config/rs6000/rs6000.md (stack_protect_testsi,
7643 stack_protect_testdi): Add earlyclobber for scratch 3,
7644 remove earlyclobber from scratch 4.
7646 Older entries for 2005 can be found in ChangeLog-2005.