1 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8 (COMMON_ASM_OP) Define.
9 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
10 (ix86_encode_section_info): Likewise.
11 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
12 SUBTARGET_ENCODE_SECTION_INFO.
14 2005-08-06 Richard Henderson <rth@redhat.com>
17 * tree-nested.c (convert_local_reference): Save and restore val_only
18 around component_ref and friends. Clear walk_subtrees by default.
20 2005-08-06 Peter O'Gorman <peter@pogma.com>
23 * gcc.c (process_command): Check the argument to -b has a dash.
24 * doc/invoke.texi: Update -b and -V docs.
26 2005-08-06 James E Wilson <wilson@specifix.com>
28 * config/mips/cross64.h, config/mips/t-cross64: Delete.
30 2005-08-06 Michael Matz <matz@suse.de>
32 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
33 member only if only one insn is associated with the value.
35 2005-08-06 Nick Clifton <nickc@redhat.com>
37 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
39 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
40 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
41 Check symbol flags instead of symbol name mangling.
42 (xstormy16_asm_output_aligned_common): Likewise. Also
43 simplify code since the bss100_section cass is the only case
44 where the below100 code will be triggered.
45 (xstormy16_encode_section_info): Encode below100 attribute
46 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
48 (xstormy16_strip_name_encoding): Delete - this function is no
50 (TARGET_STRIP_NAME_ENCODING): Undefine.
51 * config/stormy16/stormy16-protos.h: Delete prototype for
52 xstormy16_strip_name_encoding.
54 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
56 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
57 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
58 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
59 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
60 config/alpha/predicates.md, config/arc/arc.h,
61 config/arm/arm.h, config/arm/ieee754-df.S,
62 config/arm/ieee754-sf.S, config/bfin/bfin.c,
63 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
64 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
65 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
66 config/m68hc11/m68hc11.h, config/mips/mips.c,
67 config/mips/mips.h, config/mips/openbsd.h,
68 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
69 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
70 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
71 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
72 config/sparc/linux.h, config/sparc/linux64.h,
73 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
74 doc/extend.texi, doc/gcov.texi, doc/install.texi,
75 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
76 typos. Follow spelling conventions.
78 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
81 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
82 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
83 specially. Check for side effects only for COND_EXPR.
84 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
85 return with TREE_NO_WARNING.
87 2005-08-06 Richard Sandiford <richard@codesourcery.com>
89 PR rtl-optimization/23233
90 * loop.c (combine_movables): Require the modes to be the same.
91 (move_movables): Remove handling of cases where the replacement
92 had a different mode to the original.
94 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
96 PR tree-optimization/23128
97 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
98 subtraction wrap, and set TREE_OVERFLOW if they do.
100 2005-08-05 Richard Henderson <rth@redhat.com>
103 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
106 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
109 * reload.c (find_reloads_subreg_address): Pass down TYPE
110 unchanged. Change all callers except find_reloads_toplev.
112 2005-08-05 Michael Matz <matz@suse.de>
114 * genattrtab.c (current_alternative_string): Remove.
115 (SIMPLIFY_ALTERNATIVE): Ditto.
116 (attr_alt_bit_p): Ditto.
117 (alternative_name): Make const char *.
118 (evaluate_eq_attr): Remove use of above things.
119 (simplify_test_exp): Ditto.
120 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
121 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
123 2005-08-04 James E Wilson <wilson@specifix.com>
125 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
126 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
127 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
128 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
129 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
131 2005-08-04 Richard Henderson <rth@redhat.com>
134 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
135 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
136 * tree-sra.c (decide_block_copy): Use it. Disable element copy
137 if we'd have to instantiate too many members.
139 2005-08-04 Richard Henderson <rth@redhat.com>
142 * tree-outof-ssa.c (coalesce_asm_operands): New.
143 (coalesce_ssa_name): Use it. Split out ...
144 (coalesce_phi_operands, coalesce_result_decls): ... these.
146 2005-08-04 Paul Brook <paul@codesourcery.com>
148 * read-rtl.c (read_quoted_string): Break if EOF.
150 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
152 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
153 (fold_build2): Likewise.
154 (fold_build3): Likewise.
155 (fold_build1_stat): New function prototype.
156 (fold_build2_stat): Likewise.
157 (fold_build3_stat): Likewise.
158 * fold-const.c (fold_build1): Rename to ..
159 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
160 through to build1_stat.
161 (fold_build2): Rename to ..
162 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
163 through to build2_stat.
164 (fold_build3): Rename to ..
165 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
166 through to build3_stat.
168 2005-08-04 David Edelsohn <edelsohn@gnu.org>
169 Ian Lance Taylor <ian@airs.com>
171 * function.c (assign_stack_local_1): Do not correct stack slot
172 address if allocation size is smaller than mode size.
174 2005-08-04 Diego Novillo <dnovillo@redhat.com>
177 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
178 (tree_merge_blocks): Propagate anything allowed by
180 Clarify documentation.
181 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
182 SSA form, schedule an update if necessary.
184 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
186 * doc/install.texi (Binaries): Remove broken link to
187 Sinix/Reliant Unix binaries.
189 2005-08-03 Richard Henderson <rth@redhat.com>
192 * function.c (stack_protect_epilogue): Export.
193 * tree.h (stack_protect_epilogue): Declare.
194 * calls.c (expand_call): Call it.
196 2005-08-03 Eric Christopher <echristo@apple.com>
198 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
199 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
202 2005-08-04 Jan Hubicka <jh@suse.cz>
204 * profile.c (branch_prob): Split edges with goto locus on them
205 to get proper line counts.
206 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
208 2005-08-03 Paul Brook <paul@codesourcery.com>
210 * function.c (assign_parms): Round current_function_args_size
211 to PARM_BOUNDARY, not STACK_BOUNDARY.
213 2005-08-03 Geoffrey Keating <geoffk@apple.com>
215 * config/i386/i386.c (x86_elf_aligned_common)
216 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
218 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
220 PR tree-optimization/23157
221 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
222 before emitting them.
224 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
226 PR tree-optimization/19899
227 * Makefile.in (tree-scalar-evolution.o): Add real.h.
228 * tree-scalar-evolution.c: Include real.h.
229 (add_to_evolution): Build constant -1 of correct type.
231 2005-08-03 Jan Hubicka <jh@suse.cz>
233 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
234 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
235 profile updating for complette unrolling.
236 * loop-unroll.c (peel_loop_completely): Use it.
237 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
238 (tree_unroll_loops_completely): Disable code growing unrolling of cold
241 2005-08-03 Paul Brook <paul@codesourcery.com>
243 * combine.c (can_change_dest_mode): New function.
244 (try_combine, simplify_set): Use it.
246 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
248 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
251 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
253 * doc/install.texi (Specific): Adjust link to openavr.org.
254 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
255 (Binaries): Adjust HP-UX Porting Center link.
256 (Binaries): Adjust Free Software Foundation ordering link.
258 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
260 * convert.c (convert_to_integer): Use fold_build1 instead of
261 build1 when converting an integer to an integer.
263 2005-08-02 Richard Henderson <rth@redhat.com>
265 * combine.c (combine_instructions): Don't use reg_equal/equiv
266 results if the mode doesn't match.
268 2005-08-02 Mark Mitchell <mark@codesourcery.com>
270 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
271 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
273 2005-08-02 Richard Henderson <rth@redhat.com>
276 * explow.c (memory_address): Remove special-case for
277 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
279 2005-08-02 Diego Novillo <dnovillo@redhat.com>
282 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
283 number of calls to cleanup_tree_cfg_1.
285 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
287 * doc/invoke.texi: document file extensions .F90 and .F95
289 2005-08-02 Richard Guenther <rguenther@suse.de>
291 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
292 positive if its first argument is positive.
294 2005-08-02 Richard Guenther <rguenther@suse.de>
296 PR tree-optimization/23177
297 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
300 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
302 PR tree-optimization/23129
303 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
304 varying for divisions with anti-ranges.
306 2005-08-02 Jan Hubicka <jh@suse.cz>
308 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
309 * tree-ssa-threadupdate.c (thread_block): Add it here.
311 2005-08-01 James E Wilson <wilson@specifix.com>
313 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
314 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
315 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
317 * config/mips/predicates.md (const_call_insn_operand): Add check for
318 SYMBOL_REF_LONG_CALL_P.
319 * doc/extend.texi (long_call): Document the new attribute.
321 2005-08-01 Ian Lance Taylor <ian@airs.com>
322 Richard Henderson <rth@redhat.com>
324 * Makefile.in (RTL_BASE_H): Add real.h.
325 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
327 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
329 * rtl.c (rtl_check_failed_code_mode): New.
330 * rtl.h (struct rtx_def): Add u.rv.
331 (XCMWINT, XCNMPRV): New.
332 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
333 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
335 2005-08-01 Richard Henderson <rth@redhat.com>
337 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
340 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
342 2005-08-01 Jan Hubicka <jh@suse.cz>
344 * i386-protos.h (asm_preferred_eh_data_format): Declare.
345 * i386.c: Include dwarf2.h
346 (asm_preferred_eh_data_format): New.
347 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
349 2005-08-01 Ian Lance Taylor <ian@airs.com>
351 * config/host-linux.c (linux_gt_pch_get_address): Add new name
352 randomize_va_space for virtual address randomization control.
354 2005-08-01 Steven Bosscher <stevenb@suse.de>
356 * common.opt (flag_ipa_cp): Put in right place to maintain
359 2005-08-01 Jan Hubicka <jh@suse.cz>
361 * profile.c (compute_value_histograms): Fix thinko.
362 * value-prof.c: Include toplev.h
363 (check_counter): New function.
364 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
365 tree_mod_subtract_transform): Add sanity check.
367 2005-08-01 Richard Guenther <rguenther@suse.de>
369 PR tree-optimization/23133
370 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
371 current functions parameter decls to find defs to cse
374 2005-08-01 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/23109
377 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
378 If trapping math is in effect, use post-dominator information
379 to check if we'd in any case reach a trapping point before
380 doing the reciprocal insertion.
381 (execute_cse_reciprocals): Compute post-dominators, if necessary.
382 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
383 expressions are invariant only if trapping math is not in effect.
385 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
387 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
388 cgraph_function_versioning): New declarations.
389 * cgraphunit.c: Add include to ipa-prop.h.
390 (update_call_expr, cgraph_copy_node_for_versioning,
391 cgraph_function_versioning): New functions.
392 * integrate.c (copy_decl_for_inlining): Remove.
393 * ipa-prop.h (ipa_replace_map): New struct.
394 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
395 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
396 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
397 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
398 ipcp_iterate_stage, ipcp_method_scale_print,
399 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
400 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
401 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
402 ipcp_update_bb_counts, ipcp_update_profiling,
403 ipcp_update_edges_counts): New functions.
404 (ipcp_method_cval_init): Remove restriction regarding local methods.
405 (ipcp_init_stage): Add ipcp_method_compute_scale.
406 (ipcp_insert_stage): Add versioning.
407 (ipcp_structures_print): Add ipcp_method_scale_print.
408 (ipcp_driver): Dump profiling info.
409 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
410 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
411 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
412 (struct inline_data): Add versioning_p, ipa_info, new fields.
413 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
414 declare_return_variable): Replace calls to copy_decl_for_inlining with
416 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
418 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
419 Add argument VERSIONING.
420 (copy_arguments_for_versioning, copy_static_chain,
421 function_versionable_p, tree_versionable_function_p,
422 tree_function_versioning, replace_ref_tree): New functions.
423 * tree-inline.h: Include varray.h.
424 (tree_versionable_function_p, tree_function_versioning,
425 tree copy_decl_for_dup): New declarations.
427 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
429 * ipa-cp.c: New file. Contains IPCP specific functionality.
430 * ipa-prop.h: New file. Contains structures/definitions that can be
431 used by several interprocedural data flow optimizations (and also IPCP).
432 * ipa-prop.c: New file.
433 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
434 * common.opt: Add ipa-cp flag.
435 * timevar.def: Add IPCP optimization.
436 * tree-optimize.c (init_tree_optimization_passes): Schedule
438 * tree-pass.h (pass_ipa_cp): Declare.
440 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
442 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
443 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
444 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
445 config/i386/i386.c, config/mips/mips.h,
446 config/rs6000/rs6000.h, config/sh/sh.c,
447 config/stormy16/stormy16.c: Fix comment typos.
449 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
452 * c-typeck.c (build_binary_op): Use common_type wrapper on
454 (common_type): Update comment.
456 2005-07-31 Steven Bosscher <stevenb@suse.de>
459 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
460 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
461 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
463 2005-07-31 Jan Hubicka <jh@suse.cz>
465 * pretty-print.h (pp_widest_integer): New macro.
466 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
469 2005-07-31 Jan Hubicka <jh@suse.cz>
471 * output.h (enum section_category): Export from varasm.c
472 (categorize_decl_for_section): Likewise.
473 * varasm.c (enum section_category): Kill.
474 (categorize_decl_for_section): Make global.
475 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
477 * i386.c (ix86_section_threshold): New static variable.
478 (ix86_in_large_data_p, ix86_encode_section_info,
479 x86_64_elf_unique_section,
480 x86_64_elf_select_section): New functions.
481 (TARGET_ENCODE_SECTION_INFO): Define
482 (override_options): Enable medium model for PIC.
483 (ix86_expand_prologue): Expand gen_set_got_rex64.
484 (legitimate_constant_p): Handle new UNSPECs.
485 (legitimate_pic_address_disp_p): Likewise.
486 (legitimize_pic_address): Lower MEDIUM model addressing.
487 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
488 (enum cmodel): Add MEDIUM_PIC.
489 (SYMBOL_REF_FAR_ADDR_P): New macro.
490 (SYMBOL_FLAG_FAR_ADDR): New flag.
491 * i386.md (movdi): Support medium model.
492 (set_got_rex64): New pattern.
493 * i386.opt (mlarge-data-threshold): New flag.
494 * predicates.md (zext_operand/sext_operand): Deal with medium model.
495 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
496 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
497 TARGET_ASM_UNIQUE_SECTION): New.
499 * invoke.texi (-mlarge_data_threshold): Document
501 2005-07-31 Jan Hubicka <jh@suse.cz>
503 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
504 (coalesce_vars): Likewise.
505 * tree-ssa-live.c (coalesce_cost): New.
506 (build_tree_conflict_graph): Use coalesce_cost.
507 * tree-ssa-live.h (coalesce_cost): Declare.
509 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
511 * arm.md (all peepholes for post-increment operations): Delete.
512 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
513 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
514 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
515 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
516 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
518 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
520 * fold-const.c (tree_expr_nonnegative_p): Always return true for
523 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
526 * doc/invoke.texi: Document -rdynamic.
528 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
531 * c-parser.c (c_parser_parms_list_declarator): Call
532 mark_forward_parm_decls.
533 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
534 decls with visibility structure.
536 2005-07-30 Paul Brook <paul@codesourcery.com>
538 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
540 2005-07-30 Paul Brook <paul@codesourcery.com>
542 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
544 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
546 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
548 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
551 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
552 nested function declarators.
553 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
554 (grokparms): Call warn_if_shadowing for parameters used within the
556 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
557 not used within the parameter list.
558 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
560 2005-07-30 Jan Hubicka <jh@suse.cz>
562 * expr.c (expand_expr_real_1): Do not load mem targets into register.
563 * i386.c (ix86_fixup_binary_operands): Likewise.
564 (ix86_expand_unary_operator): Likewise.
565 (ix86_expand_fp_absneg_operator): Likewise.
566 * optabs.c (expand_vec_cond_expr): Validate dest.
568 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
571 * real.c (real_from_string): Also set last bit if there is a
572 nonzero hex digit beyond GCC's internal precision after ".".
574 2005-07-29 David Edelsohn <edelsohn@gnu.org>
576 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
577 define_constants. Change duplicate values to unassigned numbers.
578 Change UNSPEC_SUBS to UNSPEC_VSUBS.
579 (*altivec_vspltsf): New.
580 (altivec_vperm_v4sf): Delete.
581 (altivec_vperm_<mode>): Use mode macro V.
582 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
583 (altivec_predicate_v4sf): Delete.
584 (altivec_predicate_<mode>): Use mode macro V.
585 (*altivec_lvesfx): New.
586 (*altivec_stvesfx): New.
587 (vec_realign_load_v4sf): Delete.
588 (vec_realign_load_<mode>): Use mode macro V.
589 * config/rs6000/rs6000.c (generate_set_vrsave): Use
592 2005-07-29 Mark Mitchell <mark@codesourcery.com>
595 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
597 * configure: Regenerated.
599 2005-07-29 Paul Brook <paul@codesourcery.com>
601 * doc/install.texi: Add link to GFortran binaries wiki page.
603 2005-07-29 David Ung <davidu@mips.com>
605 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
606 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
607 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
608 * config/mips/mips.md (cpu): Add 5kf name.
609 (includes): Includes 5k.md.
610 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
611 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
614 2005-07-29 Diego Novillo <dnovillo@redhat.com>
617 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
618 (cleanup_tree_cfg): ... here.
619 Call cleanup_tree_cfg_1 until there are no more cleanups to
622 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
624 * tree-vrp.c (compare_range_with_value): Return true or false
625 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
626 EQ_EXPR respectively.
628 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
630 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
633 2005-07-29 Diego Novillo <dnovillo@redhat.com>
635 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
636 (tree_ssa_dominator_optimize): Increment it.
637 (dump_dominator_optimization_stats): Print it.
639 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
640 Steven Bosscher <stevenb@suse.de>
642 PR rtl-optimization/23117
643 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
644 when head == tail. Tidy comment.
646 2005-07-28 Richard Henderson <rth@redhat.com>
648 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
649 * cselib.c (rtx_equal_for_cselib_p): Likewise.
650 * jump.c (rtx_renumbered_equal_p): Likewise.
651 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
652 CONST_INT and CONST_DOUBLE.
653 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
654 * reload.c (operands_match_p): Special case CONST_INT and
655 CONST_DOUBLE; check mode earlier.
657 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
660 * c-typeck.c (convert_for_assignment): Do not check
661 DECL_IN_SYSTEM_HEADER on NULL fundecl.
663 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
666 * c-typeck.c (composite_type): Prefer constant size arrays to
669 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
672 * real.c (real_from_string): Set last bit if there is a nonzero
673 hex digit beyond GCC's internal precision.
675 2005-07-28 Richard Henderson <rth@redhat.com>
678 * cfgcleanup.c (try_forward_edges): Watch out for end of
681 2005-07-28 James E Wilson <wilson@specifixinc.com>
684 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
686 2005-07-28 Jan Hubicka <jh@suse.cz>
688 * Makefile.in (rtl-profile.o): Kill all traces of it.
689 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
690 * coverage.h (rtl_coverage_counter_ref): Kill.
691 * opts.c (flag_speculative_prefetching_set): Kill.
692 (flag_loop_optimize_set): New.
693 (common_handle_option): Disable loop optimizer when profiling;
694 do not handle speculative prefetching.
695 * passes.c (init_optimization_passes): Replace pass_profiling combo
697 * profile.c (compute_value_histograms): Update for simplified value
699 (rtl_register_profile_hooks): Kill.
700 (pass_profiling): Kill.
701 (rest_of_handle_branch_prob): Do not profile.
702 * toplev.c (process_options): Remove speculative prefetching.
703 * toplev.h (flag_tree_based_profiling): Kill.
704 * tree-profile.c (prepare_instrumented_value,
705 tree_gen_interval_profiler, tree_gen_pow2_profiler,
706 tree_gen_one_value_profiler, do_tree_profiling): Update for
707 simplified datastructures.
708 * value-prof.c: Add comment that speculative prefetching was dropped;
709 update rest of file for simplified datastructures.
710 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
711 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
712 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
713 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
714 rtl_mod_subtract, gen_speculative_prefetch,
715 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
716 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
717 (gate_handle_value_profile_transformations,
718 rest_of_handle_value_profile_transformations,
719 pass_value_profile_transformations): Kill.
720 * value-prof.h (histogram_value_t): Remove IL based unions.
721 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
722 rtl_profile_hooks): Remove hooks.
724 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
726 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
727 (cgraph_clone_node): Likewise.
728 * cgraph.h (cgraph_clone_edge): Update prototype.
729 (cgraph_clone_node): Likewise.
730 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
732 (lookup_recursive_calls): Consider profile.
733 (cgraph_decide_recursive_inlining): Fix updating; use new
734 probability argument; use profile.
735 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
736 * tree-inline.c (copy_bb): Update clal of clone_edge.
737 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
739 * invoke.texi (min-inline-recursive-probability): Document.
741 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
743 * doc/install.texi (Configuration): Update Valgrind homepage.
745 2005-07-28 Richard Henderson <rth@redhat.com>
748 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
749 labels we want to delete.
750 (cfg_layout_merge_blocks): Likewise.
752 2005-07-28 Richard Henderson <rth@redhat.com>
755 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
756 when expanding to nothing.
758 2005-07-28 Josh Conner <jconner@apple.com>
760 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
761 (cgraph_decide_inlining_of_small_functions): Likewise.
763 2005-07-28 Josh Conner <jconner@apple.com>
765 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
766 direction of badness if negative.
767 (cgraph_default_inline_p): Add reason to parameters, and assign it
769 (cgraph_decide_inlining_of_small_functions): New parameter in call
770 to cgraph_default_inline_p.
771 (cgraph_decide_inlining_incrementally): Likewise.
772 * cgraphunit.c (decide_is_function_needed): Likewise.
773 * cgraph.h (cgraph_default_inline_p): Likewise.
775 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
777 * builtins.c: Fix comment typo(s).
778 * genautomata.c: Likewise.
779 * gimplify.c: Likewise.
780 * tree-dfa.c: Likewise.
781 * tree-flow-inline.h: Likewise.
782 * tree-into-ssa.c: Likewise.
783 * tree-ssa-alias.c: Likewise.
784 * tree-ssa-ccp.c: Likewise.
785 * tree-ssa-copy.c: Likewise.
786 * tree-ssa-dce.c: Likewise.
787 * tree-ssa-dom.c: Likewise.
788 * tree-ssa-operands.c: Likewise.
789 * tree-tailcall.c: Likewise.
790 * tree-vectorizer.c: Likewise.
791 * tree-vrp.c: Likewise.
794 2005-07-28 Jeff Law <law@redhat.com>
796 * tree-vrp.c (test_for_singularity): Extracted from ...
797 (simplify_cond_using_ranges): Attempt to simplify a relational
798 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
800 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
802 PR tree-optimization/22506
803 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
804 phis whose argument is constant.
806 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
808 PR rtl-optimization/18992
810 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
811 PR optimization/12142
812 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
813 uses of the register in the SET_SRC. Remove unnecessary argument.
815 Replace it with this:
816 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
817 if flag_non_call_exceptions is set and the insn may trap, pass
818 pc_rtx as dest for recursion.
819 In SET_SRC part of SET case, if dest is already set, pass it down
822 2005-07-28 Jan Hubicka <jh@suse.cz>
824 * cfg.c (update_bb_profile_for_threading): Use RDIV.
825 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
826 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
828 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
829 profile when available.
831 2005-07-28 Jan Beulich <jbeulich@novell.com>
833 * config/ia64/ia64.c (ia64_load_pair_ok): New.
834 (ia64_print_operand): Describe and handle 'X'.
835 (ia64_register_move_cost): Also handle FP_REGS.
836 (ia64_preferred_reload_class): Likewise.
837 (ia64_secondary_reload_class): Likewise.
838 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
839 it. Also check for ITANIUM_CLASS_FLDP.
840 * config/ia64/ia64.h (FP_REGNO_P): New.
841 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
842 (reg_class): Add FP_REGS.
843 (REG_CLASS_NAMES): Adjust for it.
844 (REG_CLASS_CONTENTS): Likewise.
845 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
846 (REG_CLASS_FROM_LETTER): Handle 'x'.
847 (CLASS_MAX_NREGS): Handle FP_REGS.
848 (MEMORY_MOVE_COST): Likewise.
849 * config/ia64/ia64.md (itanium_class): Add fldp.
851 (movti_internal): More allowable operand combinations. Use ldfp8 when
852 splitting unnecessary. Remove predicable attribute. Adjust
853 itanium_class attribute.
854 (smuldi3_highpart): Remove outdated comment.
855 (mulditi3, umulditi3, rotlti3): New expanders.
856 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
857 (absti2): Disabled new insn for future reference.
858 Respective new splitters.
859 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
860 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
861 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
863 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
865 PR rtl-optimization/23047
866 * simplify-rtx.c (simplify_const_relational_operation): Respect
867 flag_wrapv for comparisons with ABS.
869 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
871 PR tree-optimization/22493
872 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
873 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
875 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
877 * config/frv/frv.opt (moptimize-membar): New.
879 * doc/invoke.texi: Document -moptimize-membar and its inverse.
881 * config/frv/frv.h: Remove machine_function definition.
883 * config/frv/frv.c (struct frv_io): New.
884 (struct machine_function): Moved from frv.h. Add has_membar_p.
885 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
886 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
887 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
888 (frv_optimize_membar_global, frv_optimize_membar): New functions.
889 (frv_reorg): Call frv_optimize_membar when appropriate.
890 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
891 (frv_expand_builtin): Adjust calls accordingly.
892 (frv_io_address_cookie): New function.
893 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
894 load or store rather than a special insn. Add ccnstant address and
895 io-type operands to the membar.
896 (frv_ifcvt_modify_tests): Unsign regno.
897 (frv_ifcvt_modify_tests): Same.
899 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
900 UNSPEC_OPTIONAL_MEMBAR constant.
901 (builtin_read_<mode>): Delete.
902 (builtin_write_<mode>): Delete.
903 ("optional_membar_<mode>"): Add operand.
905 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
906 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
907 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
908 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
909 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
910 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
911 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
912 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
913 * testsuite/gcc.target/frv/all-read-write-1.c: New.
915 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
917 * df.c (df_uses_record): Handle SCRATCH.
919 2005-07-28 Steven Bosscher <stevenb@suse.de>
922 * passes.c (rest_of_decl_compilation): If decl is a type and
923 we have encountered errors, don't emit debug information.
925 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
927 * params.def: Fixed comment.
929 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
932 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
933 (TARGET_ASM_UNALIGNED_HI_OP): Add.
934 (TARGET_ASM_UNALIGNED_SI_OP): Add.
936 2005-07-27 Steven Bosscher <stevenb@suse.de>
939 * varasm.c (assemble_start_function): Don't do anything that may
940 require a CFG if the current function is a thunk.
942 2005-07-25 Geoffrey Keating <geoffk@apple.com>
944 * doc/install.texi (Prerequisites): Mention that perl is needed
945 to do export control in libstdc++ targetting Darwin.
947 2005-07-27 Steven Bosscher <stevenb@suse.de>
949 PR rtl-optimization/17808
950 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
951 (sched_insns_conditions_mutex_p): Split out from...
952 (add_dependence): ...here. But don't call it from here.
953 (add_dependence_list): Check sched_insns_conditions_mutex_p
954 before calling add_dependence.
955 (add_dependence_list_and_free): Likewise.
956 (fixup_sched_groups): Likewise.
957 (sched_analyze_1): Likewise.
958 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
959 (sched_analyze): Likewise.
960 (sched_analyze_insn): Likewise.
961 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
962 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
963 dependencies on all COND_EXEC insns to jumps ending basic blocks
964 when doing intrablock scheduling.
965 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
967 2005-07-27 Jeff Law <law@redhat.com>
969 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
970 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
971 equivalency sets, correctly handle the case were vr0 has an
972 equivalency set, but vr1 does not.
974 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
976 PR tree-optimization/23073
977 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
978 vect_print_dump_info before fprintf.
980 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
982 PR tree-optimize/22348
983 * tree-ssa-loop-niter.c (number_of_iterations_cond):
984 Fold the partial computation.
986 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
988 PR tree-optimization/22325
989 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
991 * tree-scalar-evolution.c (scev_const_prop): Add generic final
993 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
994 (force_var_cost): ... this function.
995 (compute_phi_arg_on_exit): Export.
997 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
999 PR tree-optimization/20773
1000 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
1003 2005-07-27 Richard Guenther <rguenther@suse.de>
1005 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
1006 Avoid pushing again if current struct contains only
1007 fields we decomposed.
1009 2005-07-27 Jan Hubicka <jh@suse.cz>
1011 PR tree-optimization/22574
1012 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
1015 * tree-tailcall.c (decrease_profile): New function.
1016 (eliminate_tail_call): Use it.
1018 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
1019 visibility flags correctly in whole program mode.
1021 2005-07-26 Steve Ellcey <sje@cup.hp.com>
1023 PR rtl-optimization/22472
1024 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
1026 2005-07-26 Steven Bosscher <stevenb@suse.de>
1028 PR tree-optimization/22504
1029 * tree-complex.c (expand_complex_addition): Use 'code' instead
1030 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
1032 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
1034 * config.gcc (cpu_type): Add frv case.
1035 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
1036 (supported_defaults): Add fr550 case.
1038 2005-07-26 Diego Novillo <dnovillo@redhat.com>
1041 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
1042 whether a pointer of type T * may point to objects of type T *.
1044 2005-07-26 DJ Delorie <dj@redhat.com>
1046 * configure: Regenerate.
1048 2005-07-26 Dale Johannesen <dalej@apple.com>
1050 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
1052 2005-07-26 Mark Mitchell <mark@codesourcery.com>
1054 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
1055 Clarify use of "build" in name.
1057 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
1059 * doc/extend.texi (Raw read/write Functions): New section.
1060 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
1061 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
1062 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
1063 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
1064 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
1065 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
1066 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
1067 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
1068 * config/frv/frv.c: Add bdesc_loads global.
1069 Add bdesc_stores global.
1070 (frv_init_builtins): Add support for __builtin_{read/write}*.
1071 (frv_volatile_memref): New.
1072 (frv_expand_load_builtin): New.
1073 (frv_expand_store_builtin): New.
1074 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
1075 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
1076 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
1077 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
1078 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
1079 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
1080 (builtin_read_<mode>): New.
1081 (builtin_write_<mode>): New.
1082 (builtin_write64): New.
1083 (optional_membar_<mode>): New.
1085 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
1087 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
1088 (rather than units) against HOST_BITS_PER_WIDE_INT.
1090 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
1092 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
1093 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
1094 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
1095 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
1098 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
1099 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
1100 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
1102 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
1104 2005-07-26 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/22486
1107 * fold-const.c (fold_unary): Fold away useless component
1108 references of the form (T *)&T.x, if the address
1111 2005-07-25 James E Wilson <wilson@specifixinc.com>
1113 * dwarf2out.c (add_call_src_coords_attributes): New.
1114 (gen_inlined_subroutine_die): Call it.
1115 (maybe_emit_file, init_file_table): Add comments.
1116 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
1118 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
1119 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
1120 * tree.h (BLOCK_SOURCE_LOCATION): New.
1121 (struct tree_block): New field locus.
1123 2005-07-26 Andreas Schwab <schwab@suse.de>
1125 PR rtl-optimization/23043
1126 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
1127 when allocating a struct unoccr.
1129 2005-07-25 Richard Henderson <rth@redhat.com>
1132 * tree-complex.c (gate_no_optimization): True if errors.
1133 * Makefile.in (tree-complex.o): Update dependencies.
1135 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
1137 * config/frv/predicates.md (integer_register_operand): Use
1140 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
1143 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
1145 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
1147 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
1149 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
1150 types when flag_unsafe_math_optimizations is true.
1152 2005-07-25 Mark Mitchell <mark@codesourcery.com>
1154 * gcc.c (option_map): Add --sysroot.
1155 (process_command): Handle --sysroot.
1156 (display_help): Document it.
1157 * doc/cppopts.tex (-isysroot): Document.
1158 * doc/invoke.texi (--sysroot): Document.
1159 * doc/install.texi (--with-build-sysroot): Document.
1161 * Makefile.in (inhibit_libc): New variable.
1162 (INHIBIT_LIBC_CFLAGS): Likewise.
1163 (LIBGCC2_CFLAGS): Include
1164 $(INHIBIT_LIBC_CFLAGS).
1165 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
1166 ($(T)crtbegin.o): Do not use @inhibit_libc@.
1167 ($(T)crtend.o): Likewise.
1168 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
1169 ($(T)crtendS.o): Likewise.
1170 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
1171 ($(T)crtendT.o): Likewise.
1172 (stmp-fixinc): Do not complain about missing headers if
1174 * configure.ac (inhibit_libc): Set it to true/false.
1175 (--with-build-sysroot): New option. Use it to set
1177 * configure: Regenerated.
1179 2005-07-25 Manfred Hollstein <mh@suse.com>
1181 * calls.c (store_one_arg): Fix unsigned comparison warning.
1183 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1186 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
1187 (ggc_print_statistics): Initialize variable before use.
1189 2005-07-25 Richard Guenther <rguenther@suse.de>
1191 * tree-dfa.c (mark_new_vars_to_rename): Protect against
1192 calling with a PHI_NODE argument.
1194 * tree-flow-inline.h (overlap_subvar): Protect against
1197 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
1199 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
1200 * configure: Regenerate.
1202 2005-07-25 Ira Rosen <irar@il.ibm.com>
1204 * expr.c (highest_pow2_factor): Make extern.
1205 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
1206 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
1207 record_array_differ_p, array_ptr_differ_p): Likewise.
1208 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
1209 additional cases. Call the above functions.
1210 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
1211 base_object_differ_p when there are two base objects. Otherwise, compare
1212 base address and offset. Call may_alias_p.
1213 (dump_data_reference): Use a correct field name.
1214 (analyze_array): Make static. Initialize new data-ref fields.
1215 (analyze_indirect_ref): New function.
1216 (init_data_ref): Initialize new data-ref fields.
1217 (strip_conversion): Moved from tree-vect-analyze.c.
1218 (analyze_offset_expr, get_ptr_offset, address_analysis,
1219 object_analysis): Likewise.
1220 (analyze_offset): New function.
1221 (create_data_ref): Likewise.
1222 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
1223 dimensions for ARRAY_REFs only.
1224 (build_classic_dist_vector): Make static.
1225 (access_functions_are_affine_or_constant_p): Call macro to get the
1226 address of access functions.
1227 (compute_all_dependences): Add new parameter
1228 compute_self_and_read_read_dependences. Compute self and read-read
1229 dependences if it is true.
1230 (find_data_references_in_loop): Call create_data_ref. Initialize new
1232 (compute_data_dependences_for_loop): Add new parameter
1233 compute_self_and_read_read_dependences. Remove parameter nb_loops,
1234 compute nb_loops. Call compute_all_dependences,
1235 build_classic_dist_vector and build_classic_dir_vector with correct
1237 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
1238 with correct parameters. Compare dimensions for ARRAY_REFs only.
1239 (free_data_refs): Call macro to free access functions.
1240 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
1241 fields from stmt_vinfo.
1242 (struct base_object_info): New structure.
1243 (struct data_reference): Move fields to base_object_info. Add fields
1244 first_location and object_info for above structures. Move fields from
1245 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
1246 aligned_to. Add macros to access the new fields.
1247 Update functions declarations.
1248 * tree-flow.h (is_aliased_with): Declare.
1249 * tree-loop-linear.c (linear_transform_loops): Call
1250 compute_data_dependences_for_loop with correct parameters.
1251 * tree-ssa-alias.c (is_aliased_with): New function.
1252 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
1253 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
1254 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
1255 vect_base_addr_differ_p, compute_subscript_distance and
1256 build_classic_dist_vector. Add printings. Check absolute value of
1258 (vect_analyze_data_ref_dependences): Go through ddrs instead of
1260 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
1261 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
1262 to bytes. Add printing.
1263 (vect_compute_data_refs_alignment): Go through loads and stores in one
1265 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
1266 vect_analyze_data_ref_access): Likewise.
1267 (vect_analyze_pointer_ref_access): Remove.
1268 (vect_address_analysis, vect_object_analysis): Likewise.
1269 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
1270 and analyze data-refs in the loop.
1271 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
1272 fields of data-ref instead of stmt. Add init to the offset from the
1274 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
1275 (vect_update_init_of_dr): Likewise.
1276 (vect_update_inits_of_drs): Go through loads and stores in one loop.
1277 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
1279 (new_loop_vec_info): Initialize new fields.
1280 (destroy_loop_vec_info): Free new fields.
1281 (vect_strip_conversion): Remove.
1282 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
1283 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
1284 datarefs. Add new field ddrs.
1285 Add macros for the new fields access.
1286 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
1287 base_aligned_p, misalignment, memtag, ptr_info and subvars.
1288 Remove their macros.
1289 * tree.h (highest_pow2_factor): Declare.
1291 2005-07-25 Jakub Jelinek <jakub@redhat.com>
1293 * calls.c (store_one_arg): Check for sibling call MEM arguments
1294 from already clobbered incoming argument area.
1296 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1298 * c-common.c (check_missing_format_attribute): New.
1299 * c-common.h (check_missing_format_attribute): Likewise.
1300 * c-typeck.c (convert_for_assignment): Use it.
1302 2005-07-24 Andreas Schwab <schwab@suse.de>
1304 * config/m68k/m68k.md ("extendqidi2"): When source is an address
1305 register use a word move. Correct operand of ext.w in 68000 code.
1307 2005-07-23 Mark Mitchell <mark@codesourcery.com>
1309 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
1310 variables as declarations, rather than definitions.
1312 2005-07-24 Ira Rosen <irar@il.ibm.com>
1314 PR tree-optimization/22526
1315 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
1318 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1320 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
1321 that C99 reserve for future use. Use it to define clog10,
1322 clog10f and clog10l.
1324 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1326 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
1327 * configure.ac: Check for -Wmissing-format-attribute.
1329 * configure: Regenerate.
1331 2005-07-23 Richard Henderson <rth@redhat.com>
1333 PR tree-optimization/22623
1334 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
1336 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
1339 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
1341 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1343 * Makefile.in (C_TREE_H): Update dependencies.
1344 * c-tree.h: Include toplev.h.
1345 * diagnostic.h (diagnostic_set_info): Add format attribute.
1346 * rtl-error.c (diagnostic_for_asm): Likewise.
1348 2005-07-23 Chao-ying Fu <fu@mips.com>
1350 * config/mips/mips-dsp.md: New file.
1351 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
1352 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
1354 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
1355 MIPS_BUILTIN_BPOSGE32.
1356 (mips_expand_builtin_direct): Add one parameter to indicate that
1357 builtin functions need to return a value.
1358 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
1360 (mips_regno_to_class): Add classes for 12 new DSP registers.
1361 (mips_subword): Change to check four HI registers.
1362 (mips_output_move): Output move to and from 6 new DSP accumulators.
1363 (override_options): Make sure -mdsp and -mips16 are not used together.
1364 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
1366 (mips_conditional_register_usage): Disable 6 new DSP accumulators
1368 (print_operand): Add 'q' for printing DSP accumulators.
1369 (mips_cannot_change_mode_class): Check ACC_REGS.
1370 (mips_secondary_reload_class): Check ACC_REGS.
1371 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
1372 (mips_register_move_cost): Check ACC_REGS.
1373 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
1374 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
1375 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
1376 (dsp_bdesc): New array.
1377 (bdesc_arrays): Add DSP builtin function table.
1378 (mips_prepare_builtin_arg): Check predicate again after
1380 (mips_expand_builtin): Add one more parameter to
1381 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
1382 MIPS_BUILTIN_BPOSGE32.
1383 (mips_init_builtins): Initialize new function types.
1384 (mips_expand_builtin_direct): Check if builtin functions need to
1385 return a value and pass operands properly.
1386 (mips_expand_builtin_bposge): New function.
1387 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
1388 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
1389 (FIRST_PSEUDO_REGISTER): Increase to 188.
1390 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1391 Update for 12 new DSP registers.
1392 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
1393 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
1394 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
1395 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
1396 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
1397 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
1398 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
1399 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
1400 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
1401 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
1402 (REGISTER_NAMES): Add names for 12 new DSP registers.
1403 * config/mips/mips.md: Include mips-dsp.md.
1404 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
1405 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
1406 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
1407 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
1408 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
1409 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
1410 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
1411 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
1412 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
1413 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
1414 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
1415 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
1416 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
1417 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
1418 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
1419 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
1420 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
1421 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
1422 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
1423 (UNSPEC_RDDSP): New constants.
1424 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
1425 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
1427 * config/mips/mips.opt (-mdsp): New option.
1428 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
1429 (reg_imm10_operand): New predicates.
1430 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
1431 * doc/invoke.texi (-mdsp): Document new option.
1433 2005-07-22 DJ Delorie <dj@redhat.com>
1435 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
1437 * tree-inline.c (inlinable_function_p): Likewise.
1439 2005-07-22 Mark Mitchell <mark@codesourcery.com>
1442 * toplev.c (check_global_declarations): Do not mark undefined
1443 variables as DECL_IGNORED_P.
1444 * varasm.c (first_global_object_name): GTY it.
1445 (weak_global_object_name): Likewise.
1446 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
1447 a string to go into {weak,first}_global_object_name.
1449 2005-07-22 DJ Delorie <dj@redhat.com>
1451 * c-format.c (check_function_format): Change warning control
1452 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
1454 2005-07-22 Diego Novillo <dnovillo@redhat.com>
1456 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
1457 &PTR->FLD a dereference of PTR.
1458 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
1459 a potential dereference of PTR.
1461 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
1463 PR rtl-optimization/20370
1464 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
1465 call allocate_reg_info if necessary.
1467 PR rtl-optimization/21848
1468 * calls.c (emit_library_call_value_1): For const functions, add
1469 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
1471 PR rtl-optimization/22445
1472 * cselib.c (target.h): Include.
1473 (rtx_equal_for_cselib_p): Allow commutative matches.
1474 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
1475 Remove MODE parameter. Changed all callers.
1477 PR rtl-optimization/22258
1478 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
1480 (try_combine): Use likely_spilled_retval_p.
1482 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
1484 * config.gcc: Add crx-elf support.
1486 * doc/contrib.texi: Mention crx.
1487 * doc/extend.texi: Document crx extensions.
1488 * doc/install.texi: Document crx install.
1489 * doc/invoke.texi: Document crx options.
1490 * doc/md.texi: Document crx constraints.
1492 * config/crx/crx-protos.h: New file.
1493 * config/crx/crx.c: New file.
1494 * config/crx/crx.h: New file.
1495 * config/crx/crx.md: New file.
1496 * config/crx/crx.opt: New file.
1497 * config/crx/t-crx: New file.
1499 2005-07-22 Manfred Hollstein <mh@suse.com>
1501 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
1503 (int_add_graph_edge): Likewise.
1504 (collapse_nodes): Likewise.
1505 (process_unification_queue): Likewise.
1507 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1508 Laurent GUERBY <laurent@guerby.net>
1510 PR tree-optimization/22336
1511 * function.c (record_block_change): Check for
1512 cfun->ib_boundaries_block.
1514 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
1516 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
1517 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
1519 2005-07-21 DJ Delorie <dj@redhat.com>
1521 * toplev.c (warn_deprecated_use): Add warning control to warning
1523 * c-typeck.c (parser_build_binary_op): Likewise.
1524 (c_finish_if_stmt): Likewise.
1525 * c-common.c (check_function_sentinel): Likewise.
1526 (check_nonnull_arg): Likewise.
1528 2005-07-21 Richard Henderson <rth@redhat.com>
1531 * tree-complex.c (complex_ssa_name_components): New.
1532 (cvc_lookup): Allow entry not found.
1533 (create_components): Remove.
1534 (create_one_component_var, get_component_var): New.
1535 (get_component_ssa_name, set_component_ssa_name): New.
1536 (extract_component): Use get_component_ssa_name.
1537 (update_complex_components): Use set_component_ssa_name.
1538 (update_complex_components_on_edge): Likewise.
1539 (update_phi_components): Create new PHI nodes directly, instead
1540 of adding insns to edges.
1541 (tree_lower_complex): Allocate and free complex_variable_components
1542 and complex_ssa_name_components here.
1544 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
1546 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
1547 revert to returning false.
1549 2005-07-21 Uros Bizjak <uros@kss-loka.si>
1552 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
1554 2005-07-21 Uros Bizjak <uros@kss-loka.si>
1557 * config/i386/i386.md (cmpxf): Change operand constraints
1558 to "nonmemory_operand".
1560 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
1562 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
1564 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
1567 * fold-const.c (fold_build1): Add checksum for the operands.
1568 (fold_build2): Likewise.
1569 (fold_build3): Likewise.
1571 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
1574 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
1576 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
1578 * common.opt (-fforward-propagate): Committed by mistake,
1581 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1583 * reg-stack.c: Fix comment typo(s).
1584 * tree-ssa-operands.c: Likewise.
1585 * tree-vectorizer: Likewise.
1587 2005-07-21 Nick Clifton <nickc@redhat.com>
1589 * config/sh/symbian.c: Replace C++ style line comments with C
1590 style line comments.
1591 (symbian_add_attribute): Do not use a ? operator on the LHS of
1593 (sh_symbian_handle_dll_attribute): Change the type of the
1594 method vector to "VEC(tree,gc)*" and use vector accessor
1595 macros to walk over the elements.
1596 (symbian_export_vtable_and_rtti_p): Likewise.
1597 (symbian_class_needs_attribute_p): Likewise.
1599 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
1602 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
1603 initialize targetm.resolve_overloaded_builtin here.
1604 (altivec_expand_overloaded_builtin): Make it non-static.
1605 * config/rs6000/rs6000-protos.h
1606 (altivec_expand_overloaded_builtin): New prototype.
1607 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
1608 targetm.resolve_overloaded_builtin here.
1609 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
1611 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
1612 Zdenek Dvorak <dvorakz@suse.cz>
1614 PR tree-optimization/19210
1615 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
1617 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
1618 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
1619 rely on unproven assumptions.
1620 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
1621 * tree-flow.h (number_of_iterations_exit): Add final parameter.
1622 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
1623 to number_of_iterations_exit.
1624 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
1625 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
1626 * tree-ssa-loop-niter.c (find_loop_niter,
1627 estimate_numbers_of_iterations_loop): Likewise.
1628 (number_of_iterations_exit): Honor the new options.
1629 * doc/invoke.texi (Wunsafe-loop-optimizations,
1630 funsafe-loop-optimizations): Document them.
1632 2005-07-21 Richard Sandiford <richard@codesourcery.com>
1634 PR rtl-optimization/22167
1635 * gcse.c (hoist_code): Fix hoist_exprs[] check.
1637 2005-07-20 Adam Nemet <anemet@lnxw.com>
1639 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
1640 __do_global_dtors_aux longcall.
1642 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
1644 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
1645 (old_special_pred_table): Don't reference
1646 SPECIAL_MODE_PREDICATES.
1647 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
1648 * config/arc/arc.h: Don't mention PREDICATE_CODES.
1649 * config/sh/predicates.h: Don't mention
1650 SPECIAL_MODE_PREDICATES.
1651 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1654 2005-07-20 DJ Delorie <dj@redhat.com>
1656 * config.gcc: Add m32c-elf support.
1658 * doc/contrib.texi: Mention m32c.
1659 * doc/extend.texi: Document m32c extensions.
1660 * doc/install.texi: Mention m32c.
1661 * doc/invoke.texi: Document m32c options.
1662 * doc/md.texi: Document m32c constraints.
1664 * config/m32c/addsub.md: New file.
1665 * config/m32c/bitops.md: New file.
1666 * config/m32c/cond.md: New file.
1667 * config/m32c/jump.md: New file.
1668 * config/m32c/m32c-lib1.S: New file.
1669 * config/m32c/m32c-lib2.c: New file.
1670 * config/m32c/m32c-modes.def: New file.
1671 * config/m32c/m32c-pragma.c: New file.
1672 * config/m32c/m32c-protos.h: New file.
1673 * config/m32c/m32c.abi: New file.
1674 * config/m32c/m32c.c: New file.
1675 * config/m32c/m32c.h: New file.
1676 * config/m32c/m32c.md: New file.
1677 * config/m32c/m32c.opt: New file.
1678 * config/m32c/minmax.md: New file.
1679 * config/m32c/mov.md: New file.
1680 * config/m32c/muldiv.md: New file.
1681 * config/m32c/predicates.md: New file.
1682 * config/m32c/prologue.md: New file.
1683 * config/m32c/shift.md: New file.
1684 * config/m32c/t-m32c: New file.
1686 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
1688 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1689 (stack_protect_set, stack_protect_test): New expanders.
1690 (stack_protect_set_si, stack_protect_set_si_media,
1691 stack_protect_set_di_media, stack_protect_test_si,
1692 stack_protect_test_si_media, stack_protect_test_di_media):
1695 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
1697 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1699 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
1701 * tree.h (tree_expr_nonzero_p): Export.
1702 * fold-const.c (tree_expr_nonzero_p): Likewise.
1703 Return true for CALL_EXPRs that are alloca calls.
1704 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1706 * tree-flow.h (expr_computes_nonzero): Remove.
1707 * tree-vrp.c (expr_computes_nonzero): Remove.
1708 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1709 (extract_range_from_unary_expr): Likewise.
1710 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1711 tree_expr_nonzero_p.
1713 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
1715 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1716 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
1717 extra arg "picreg" and use it instead of pic_offset_table_rtx.
1718 All callers changed.
1719 (frame_related_constant_load): New arg "related" which controls
1720 setting of RTX_FRAME_RELATED_P. All callers changed.
1721 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1722 (bfin_expand_prologue): Add stack limit checking.
1723 * config/bfin/bfin.md (trapifcc): New pattern.
1725 * config/bfin/bfin.c: Include "langhooks.h".
1726 (def_builtin): Go through lang_hooks to call builtin_function.
1728 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1729 * config/bfin/predicates.md (symbol_ref_operand): New.
1730 (call_insn_operand): Delete. All callers changed to use
1731 register_no_elim_operand.
1732 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1734 (function_arg): Use it to generate the call's operand 2.
1735 (bfin_longcall_p): New function.
1736 (bfin_expand_call): Extra arg "cookie". All callers and declaration
1737 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
1738 determine if the address needs to be in a REG.
1739 (bfin_handle_longcall_attribute): New function.
1740 (bfin_attribute_table): Add "longcall" and "shortcall".
1741 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1742 (CUMULATIVE_ARGS): New member call_cookie.
1743 (PREDICATE_CODES): Add symbol_ref_operand.
1744 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1745 extra USE to the pattern.
1746 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1747 New patterns, split off call_insn, sibcall_insn, call_value_insn and
1748 sibcall_value_insn; now the new patterns handle direct calls and the
1749 old ones indirect calls.
1750 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1752 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
1754 * doc/trouble.texi: Update section on handling of empty loops.
1756 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
1758 * config.gcc: Remove support for sparc-*-openbsd*,
1759 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1761 * config.host: Remove support for i860-*-sysv4* as a host.
1762 * config/i860/*, config/ip2k/*, config/ns32k/*,
1763 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1764 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1765 mention obsolete ports.
1767 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
1769 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1771 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1772 of frame_pointer_rtx.
1773 (sh_expand_epilogue): Likewise.
1774 (sh_set_return_address): Likewise.
1775 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1776 instead of FRAME_POINTER_REGNUM if needed. Add elimination
1777 offsets from FRAME_POINTER_REGNUM.
1778 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1779 (sh_register_names): Add initializer for sfp.
1780 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1781 (VALID_REGISTER_P): Likewise.
1782 (FIRST_PSEUDO_REGISTER): Update.
1783 (DWARF_FRAME_REGISTERS): Define.
1784 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1785 (HARD_FRAME_POINTER_REGNUM): Define.
1786 (FRAME_POINTER_REGNUM): Redefine.
1787 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1788 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
1789 from FRAME_POINTER_REGNUM.
1790 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1791 FRAME_POINTER_REGNUM.
1792 (REG_CLASS_CONTENTS): Add sfp.
1793 (REG_ALLOC_ORDER): Likewise.
1794 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
1795 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1796 of frame_pointer_rtx.
1797 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1799 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
1801 * fold-const.c (tree_expr_nonnegative_p): Only return true for
1802 ABS_EXPR when flag_wrapv is false because of INT_MIN.
1803 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1805 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1808 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
1810 Make CONSTRUCTOR use VEC to store initializers.
1811 * c-common.c (complete_array_type): Update to cope with VEC in
1813 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1814 (pp_c_constructor_elts): New function.
1815 * c-pretty-print.h (pp_c_constructor_elts): Declare.
1816 * c-typeck.c (build_function_call, build_c_cast, digest_init,
1817 struct constructor_stack, struct initializer_stack,
1818 constructor_elements, push_init_level, pop_init_level,
1819 add_pending_init, find_init_member, output_init_element): Update to
1820 cope with VEC in CONSTRUCTOR_ELTS.
1821 * coverage.c (build_fn_info_value, build_ctr_info_value,
1822 build_gcov_info): Likewise.
1823 * expr.c (categorize_ctor_elements_1, store_constructor,
1824 expand_expr_real_1): Likewise.
1825 * fold-const.c (fold_ternary): Likewise.
1826 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1827 gimplify_init_constructor, gimplify_expr): Likewise.
1828 * tree-dump.c (dequeue_and_dump): Likewise.
1829 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1831 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1833 * tree-sra.c (generate_element_init_1): Likewise.
1834 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1835 * tree-ssa-operands.c (get_expr_operands): Likewise.
1836 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1837 * tree-vect-transform.c (vect_get_vec_def_for_operand):
1838 (get_initial_def_for_reduction): Likewise.
1839 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1840 value handle in annotations.
1841 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1842 tree_node_structure): Add support for constr_kind.
1843 (build_vector_from_ctor, build_constructor_single,
1844 build_constructor_from_list): New functions.
1845 (build_constructor): Update to take a VEC instead of a TREE_LIST.
1846 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1847 Update to cope with VEC in CONSTRUCTOR_ELTS.
1848 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1849 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1850 CONSTRUCTOR_APPEND_ELT): New macros.
1851 (struct constructor_elt, struct tree_constructor): New data types.
1852 (union tree_node): Add tree_constructor field.
1853 * treestruct.def: Define TS_CONSTRUCTOR.
1854 * varasm.c (const_hash_1, compare_constant, copy_constant,
1855 compute_reloc_for_constant, output_addressed_constants,
1856 initializer_constant_valid_p, output_constant,
1857 array_size_for_constructor, output_constructor): Update to cope with
1858 VEC in CONSTRUCTOR_ELTS.
1859 * vec.h (VEC_empty, VEC_copy): New macros.
1861 2005-07-19 Devang Patel <dpatel@apple.com>
1863 * dbxout.c (dbxout_type): Check Objective-C++ lang.
1865 2005-07-19 Richard Henderson <rth@redhat.com>
1868 * gimplify.c (gimplify_expr): Use main variant type for the temp
1869 destination for a discarded volatile read.
1870 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1871 casts between non-void types that change volatility.
1873 2005-07-15 DJ Delorie <dj@redhat.com>
1875 * toplev.h: Add comment about the first parameter for warning().
1876 * errors.h: Likewise.
1878 * c.opt (Wpragmas): New.
1879 * doc/invoke.texi: Document it.
1881 * function.c (do_warn_unused_parameter): Add warning control to
1883 * c-decl.c (warn_if_shadowing): Likewise.
1884 * c-lex.c (cb_def_pragma): Likewise.
1885 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1886 (pop_alignment): Likewise.
1887 (handle_pragma_pack): Likewise.
1888 (apply_pragma_weak): Likewise.
1889 (handle_pragma_weak): Likewise.
1890 (handle_pragma_redefine_extname): Likewise.
1891 (add_to_renaming_pragma_list): Likewise.
1892 (handle_pragma_extern_prefix): Likewise.
1893 (maybe_apply_renaming_pragma): Likewise.
1894 (handle_pragma_visibility): Likewise.
1896 * config/c4x/c4x-c.c (BAD): Likewise.
1897 (c4x_parse_pragma): Likewise.
1898 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1899 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1900 (rs6000_pragma_longcall): Likewise.
1901 * config/v850/v850-c.c (pop_data_area): Likewise.
1902 (ghs_pragma_section): Likewise.
1903 (ghs_pragma_section): Likewise.
1904 (ghs_pragma_interrupt): Likewise.
1905 (ghs_pragma_starttda): Likewise.
1906 (ghs_pragma_startsda): Likewise.
1907 (ghs_pragma_startzda): Likewise.
1908 (ghs_pragma_endtda): Likewise.
1909 (ghs_pragma_endsda): Likewise.
1910 (ghs_pragma_endzda): Likewise.
1912 2005-07-19 Danny Berlin <dberlin@dberlin.org>
1913 Kenneth Zadeck <zadeck@naturalbridge.com>
1915 * Makefile.in: Removed tree-promote-statics.c
1916 * tree-promote-statics.c: Removed.
1917 * common.opt: Removed flag-promote-statics.
1919 * passes.c: Removed tree-promote-statics pass.
1920 * tree-pass.h: Ditto.
1921 * timevar.def: Removed TV_PROMOTE_STATICS.
1924 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
1926 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1928 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1930 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1933 * c-common.c (check_function_arguments): Call
1934 'check_function_format' if either -Wformat or
1935 -Wmissing-format-attribute are specified.
1936 * c-format.c (check_function_format): Check -Wformat before
1937 calling 'check_format_info'.
1938 * c-opts.c (c_common_post_options): Don't warn for
1939 -Wmissing-format-attribute without -Wformat.
1940 * c-typeck.c (convert_for_assignment): Detect additional cases for
1941 -Wmissing-format-attribute.
1942 * doc/invoke.texi (-Wmissing-format-attribute): Document new
1945 2005-07-19 Richard Guenther <rguenther@suse.de>
1947 * config/i386/i386.md (lrint<mode>2): Use temporary
1948 instead of clobbering non-existent memory.
1950 2005-07-19 Nick Clifton <nickc@redhat.com>
1952 * config/avr/avr.c (legitimate_address_p): Fix debugging print
1953 statement to avoid displaying ASCII control characters.
1955 2005-07-19 Ben Elliston <bje@au.ibm.com>
1957 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1958 * cfganal.c (find_edge_index): Ditto.
1959 * combine.c (combine_instructions): Ditto.
1960 * ddg.c (create_scc): Ditto.
1961 (find_successors): Ditto.
1962 (find_predecessors): Ditto.
1963 (find_nodes_on_paths): Ditto.
1964 (longest_simple_path): Ditto.
1965 * flow.c (update_life_info): Ditto.
1966 (count_or_remove_death_notes): Ditto.
1967 (clear_log_links): Ditto.
1968 * modulo-sched.c (generate_reg_moves): Ditto.
1969 (find_max_asap): Ditto.
1970 (find_max_hv_min_mob): Ditto.
1971 (find_max_dv_min_mob): Ditto.
1972 * sbitmap.c (sbitmap_first_set_bit): Ditto.
1973 * sched-rgn.c (extract_edgelst): Ditto.
1974 * tree-into-ssa.c (prepare_names_to_update): Ditto.
1975 (dump_update_ssa): Ditto.
1976 (ssa_names_to_replace) Ditto.
1977 (switch_virtuals_to_full_rewrite): Ditto.
1978 (update_ssa): Ditto.
1979 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1981 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
1983 Fix PR tree-optimization/22483
1985 * tree-complex.c (create_components): Use
1986 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1987 * tree-flow-inline.h (fill_referenced_var_vec): New function.
1988 * tree-flow.h (safe_referenced_var_iterator): New structure.
1989 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1990 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1991 safe_referenced_var iterator.
1992 (add_type_alias): Ditto.
1994 2005-07-19 Steven Bosscher <stevenb@suse.de>
1996 * loop-init.c (rest_of_handle_loop2): Remove.
1997 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1998 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1999 (pass_rtl_loop_init, pass_rtl_loop_done,
2000 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
2001 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
2002 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
2003 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
2004 pass_tree_loop_done, and pass_tree_unswitch.
2005 (gate_loop): Rename to gate_tree_loop.
2006 * passes.c (init_optimization_passes): Update for renamed tree
2007 loop passes. Add the new loop2 passes as subpasses of loop2.
2008 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
2009 Update for the renamed tree loop passes.
2011 2005-07-18 Ian Lance Taylor <ian@airs.com>
2014 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
2015 blocks when optimizing.
2017 2005-07-18 Steve Ellcey <sje@cup.hp.com>
2019 * common.opt (frename-registers): Initialize to 2.
2021 (fgcse-after-reload): Ditto.
2022 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
2023 (process_options): Only change flag_web, flag_rename_registers,
2024 and flag_rerun_cse_after_loop if not explicitly set by user.
2026 2005-07-18 Jan Beulich <jbeulich@novell.com>
2028 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
2029 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
2030 in 64-bit mode the same as DImode in 32-bit mode.
2031 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
2032 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
2033 mode. Add new mode parameter.
2034 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
2035 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
2036 x86_64_shift_adj): New expanders.
2037 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
2038 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
2040 Respective new splitters. Use renamed shift splitter helpers in 32-bit
2041 DImode shift splitters.
2042 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
2043 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
2046 2005-07-18 Jan Beulich <jbeulich@novell.com>
2048 * i386.md (movdi_extzv_1): New.
2049 (zero_extendhidi2): Combine alternatives and never force use of
2051 (zero_extendqidi2): Likewise. Don't restrict input selection.
2053 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
2055 Fix PR tree-optimization/22531
2056 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
2059 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
2061 * tree-promote-statics.c (pass_promote_statics): Change dump file
2064 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
2066 * tree-optimize.c (init_tree_optimization_passes): Add
2067 pass_eliminate_useless_stores pass.
2068 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
2069 * tree-ssa-pre.c (is_copy_stmt): New function.
2070 (follow_copies_till_vuse): Ditto.
2071 (do_eustores): Ditto.
2072 (gate_eustores): Ditto.
2074 2005-07-16 Richard Henderson <rth@redhat.com>
2076 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
2078 2005-07-16 Danny Berlin <dberlin@dberlin.org>
2079 Kenneth Zadeck <zadeck@naturalbridge.com>
2081 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
2082 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
2083 ipa-type-escape.h, tree-promote-statics.c
2084 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
2085 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
2086 tree-promote-statics.c: new files.
2087 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
2088 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
2089 int nonlocal_set_p, mark_constant_function): Deleted.
2090 (rest_of_handle_cfg): Removed call to mark_constant_function.
2091 (nonoverlapping_component_refs_p): Added calls to support
2092 type based aliasing.
2093 * tree-ssa-alias.c (may_alias_p,
2094 compute_flow_insensitive_aliasing): Ditto.
2095 * calls.c (flags_from_decl_or_type): Removed reference to
2097 * c-typeck.c (convert_arguments): Make builtins tolerant of having
2098 too many arguments. This is necessary for Spec 2000.
2099 * cgraph.h (const_function, pure_function): Removed.
2100 * common.opt: Added "fipa-pure-const", "fipa-reference",
2101 "fipa-type-escape", and "ftree-promote-static".
2103 * passes.c: Added ipa and tree-promote-statics passes.
2104 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
2105 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
2106 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
2107 * tree-flow.h: Added exposed sra calls and addition of
2108 reference_vars_info field for FUNCTION_DECLS.
2109 * tree-pass.h: Added passes.
2110 * tree-sra.c: (sra_init_cache): New function.
2111 (sra_insert_before, sra_insert_after) Made public.
2112 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
2114 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
2115 aliasing. (may_alias_p): Added code to use type escape analysis to
2117 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
2118 code to prune clobbers of static variables based on information
2119 produced in ipa-reference pass. Changed call clobbering so that
2120 statics are not marked as clobbered if the call does not clobber
2123 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
2125 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
2128 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2130 * doc/install.texi (*-*-solaris2*): Document recommended version
2131 of GNU binutils and mention GNU linker problem on Solaris 10.
2133 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
2136 * c-decl.c (c_build_bitfield_integer_type): New function.
2137 (finish_struct): Call it.
2138 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
2140 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2142 * c-typeck.c (digest_init): Call 'convert_for_assignment'
2145 2005-07-16 Jan Hubicka <jh@suse.cz>
2147 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
2148 (scale_bbs_frequencies_int): Watch roundoff errors.
2149 * predict.c (return_prediction): Initialize return_stmt.
2151 2005-07-16 Jan Hubicka <jh@suse.cz>
2153 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
2154 after RTL profiling.
2156 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
2159 * fold-const.c (build_range_check): Convert high/low to etype
2160 if we are only comparing against exp.
2162 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
2164 Fix PR tree-optimization/22376
2165 * tree-ssa-structalias.c (build_constraint_graph): We really meant
2167 (need_to_solve): New function.
2168 (compute_points_to_sets): Use it.
2170 2005-07-15 Jan Hubicka <jh@suse.cz>
2172 * cfg.c (update_bb_profile_for_threading): More diagnostic.
2173 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
2175 2005-07-15 Richard Guenther <rguenther@suse.de>
2177 * c-common.c (handle_flatten_attribute): New function.
2178 Add flatten function attribute.
2179 * doc/extend.texi: Document flatten function attribute.
2180 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
2181 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
2183 (cgraph_decide_inlining): Handle functions with flatten
2186 2005-07-14 David Edelsohn <edelsohn@gnu.org>
2188 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
2189 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
2190 UNSPEC_XCHG, UNSPEC_AND): New.
2191 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
2192 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
2193 * config/rs6000/sync.md (FETCHOP): New code macro.
2194 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
2196 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
2197 (sync_compare_and_swap<mode>): Same.
2198 (sync_lock_test_and_set<mode>): Same.
2199 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
2200 for QImode and HImode, and not PPC405.
2201 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
2202 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
2203 (sync_<fetchop>{si,di}_internal): New.
2204 (sync_nand{si,di}_internal): New.
2205 (sync_old_<fetchop>{si,di}_internal): New.
2206 (sync_old_nand{si,di}_internal): New
2207 (sync_new_<fetchop>{si,di}_internal): New.
2208 (sync_new_nand{si,di}_internal): New.
2209 (atomic_and{si,di}): New.
2210 (sync_new_nand{si,di}_internal): New.
2211 (atomic_and{si,di}): New.
2212 (sync_add<mode>_internal): Delete.
2213 (sync_addshort_internal): Use unspec instead of unspec_volatile.
2214 (sync_sub<mode>_internal): Delte.
2215 (sync_subshort_internal): New.
2216 (sync_andsi_internal): Use unspec instead of unspec_volatile.
2217 (sync_anddi_internal): Delete.
2218 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
2219 (sync_booldi_internal): Delete.
2220 (sync_boolc<mode>_internal): Delete.
2221 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
2222 (sync_boolc<mode>_internal2): Delete.
2223 (sync_boolcc<mode>_internal): Delete.
2224 (isync, lwsync): Use unspec instead of unspec_volatile.
2225 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
2226 Revert UNSPEC_VOLATILE.
2227 (rs6000_split_atomic_op): New.
2228 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
2230 2005-07-14 Eric Christopher <echristo@redhat.com>
2232 * config/mips/mips.c (mips_canonicalize_comparison): Cast
2233 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
2235 2005-07-14 Eric Christopher <echristo@redhat.com>
2237 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
2239 2005-07-14 Steven Bosscher <stevenb@suse.de>
2241 PR tree-optimization/22230
2242 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
2243 the computation of the four cross productions for "range op range".
2245 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
2246 Ulrich Weigand <uweigand@de.ibm.com>
2249 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
2252 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2254 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
2256 2005-07-14 Steve Ellcey <sje@cup.hp.com>
2258 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
2260 2005-07-14 Richard Guenther <rguenther@suse.de>
2263 * config/i386/i386-protos.h (ix86_function_value): Change
2264 prototype to match new target hook.
2265 * config/i386/i386.c (ix86_value_regno): Change prototype
2266 to take extra type argument.
2267 (TARGET_FUNCTION_VALUE): Define.
2268 (ix86_function_ok_for_sibcall): Pass extra argument to
2269 ix86_value_regno, check return slot rtx for exact match.
2270 (ix86_function_value): Take extra parameter. Dispatch to
2271 ix86_value_regno with fndecl/fntype as provided.
2272 (ix86_value_regno): Handle extra type argument.
2273 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
2275 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
2276 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
2277 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
2278 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
2279 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
2281 2005-07-14 Richard Guenther <rguenther@suse.de>
2283 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
2284 * calls.c (expand_call): Pass fntype to hard_function_value.
2285 (emit_library_call_value_1): Likewise.
2286 * explow.c: Include target.h.
2287 (hard_function_value): Take extra argument, the fntype.
2288 Use new target hook for function_value.
2289 * expr.h (hard_function_value): Change prototype.
2290 * function.c (aggregate_value_p): Pass 0 as fntype to
2291 hard_function_value.
2292 (assign_parms): Use new target hook for function_value.
2293 Pass 0 as fntype to hard_function_value.
2294 (expand_function_end): Likewise.
2295 * reg-stack.c: Include target.h.
2296 (stack_result): Use new target hook for function_value.
2297 * target-def.h: New target hook function_value.
2298 * target.h: Likewise.
2299 * targhooks.c (default_function_value): New function.
2300 * targhooks.h (default_function_value): Declare.
2302 2005-07-13 Ian Lance Taylor <ian@airs.com>
2304 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2306 2005-07-14 Jan Hubicka <jh@suse.cz>
2308 * tree-dfa.c (dump_variable): Use default_def function.
2309 * tree-ssa-alias.c (dump_points_to_info): Likewise.
2310 * tree-ssa.c (verify_use): Likewise.
2311 * tree-ssanames.c (release_ssa_name): Likewise.
2312 * tree-tailcall.c (eliminate_tail_call): Likewise.
2313 (tree_optimize_tail_calls_1): Likewise.
2314 * tree-vrp.c (get_value_range): Likewise.
2316 2005-07-14 Ben Elliston <bje@au.ibm.com>
2318 * gcc.c (main): Compare language[0] with '*' when iterating over
2321 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
2323 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
2324 "s390_emit_compare". Add handling of CCZ1mode.
2325 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
2326 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
2328 (s390_branch_condition_mask): Add CCZ1mode handling.
2329 * config/s390/s390.md: ("seq", "*seq"): New pattern.
2330 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
2331 Use CCZ1mode instead of CCZmode.
2332 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
2334 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
2336 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
2338 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
2340 2005-07-13 Eric Christopher <echristo@redhat.com>
2342 * config/mips/mips.c (mips_canonicalize_comparison): New.
2343 (mips_emit_int_relational): Use.
2345 2005-07-13 Eric Christopher <echristo@redhat.com>
2347 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2349 * config/s390/s390.md: Include tpf.md. Move tpf specific
2351 * config/s390/tpf.md: To here.
2352 * config/s390/s390.opt: Move tpf specific options...
2353 * config/s390/tpf.opt: to here. Add mmain option.
2354 * config/s390/tpf-unwind.h: Remove unnecessary defines.
2355 * config/s390/tpf.h: Rewrite.
2357 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
2359 * doc/tm.texi: Remove @xref{Cross-profiling}.
2361 2005-07-13 Jeff Law <law@redhat.com>
2363 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
2364 expressions, test their _DECL operands for pointer equality rather
2365 than using operand_equal_p.
2367 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
2369 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
2370 (TARGET_POSIX_IO): This.
2371 * config/darwin.h: Likewise.
2372 * config/freebsd.h: Likewise.
2373 * config/linux.h: Likewise.
2374 * config/lynx.h: Likewise.
2375 * config/netbsd.h: Likewise.
2376 * config/rs6000/linux64.h: Likewise.
2377 * config/rs6000/linux.h: Likewise.
2378 * config/s390/tpf.h: Likewise.
2379 * config/sh/embed-elf.h: Likewise.
2380 * config/sparc/linux64.h: Likewise.
2381 * config/sparc/linux.h: Likewise.
2382 * config/svr4.h: Likewise.
2383 * gcov-io.h: Likewise.
2385 * doc/tm.texi: Updated.
2387 * libgcov.c (create_file_directory): Defined only if
2388 TARGET_POSIX_IO is defined.
2389 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
2392 2005-07-13 Jan Hubicka <jh@suse.cz>
2394 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
2396 2005-07-13 David Edelsohn <edelsohn@gnu.org>
2398 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
2399 structure as argument.
2401 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
2403 PR tree-optimization/21921
2404 * tree-iterator.c (tsi_link_before): Support the case when
2405 tsi_end_p (tsi) == true.
2407 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
2409 PR tree-optimization/22442
2410 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
2413 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
2415 PR rtl-optimization/20376
2416 * toplev.c (process_options): Enable -fweb and -frename-registers when
2418 * doc/invoke.texi: Update the information about when -fweb and
2419 -frename-registers are enabled.
2421 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
2424 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
2425 if *rhs_p is not a SSA_NAME.
2427 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
2429 Fix PR tree-optimization/22422
2430 * tree-ssa-structalias.c (struct variable_info): Add flag for
2432 (get_varinfo): Now a static function.
2433 (new_varinfo): init has_union and is_special_var to false.
2434 (solution_set_add): Check has_union.
2435 (do_da_constraint): Move temporary variable so it gets reset
2437 Also check for special variable.
2438 (do_ds_constraint): Ditto.
2439 (do_sd_constraint): Ditto.
2440 (do_structure_copy): Check for special variable.
2441 (find_func_aliases): Ditto.
2442 (init_base_vars): Set special vars properly.
2444 2005-07-13 Jan Hubicka <jh@suse.cz>
2446 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
2449 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
2450 (get_expr_operands): Fix thinko wrt flags and subvars.
2452 PR tree-optimize/22379
2453 * tree-inline.c (expand_call_inline): Do not output sorry in early
2456 2005-07-12 Dale Johannesen <dalej@apple.com>
2458 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
2460 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
2463 * host-linux.h: Include limits.h.
2465 2005-07-12 Dale Johannesen <dalej@apple.com>
2467 * expr.c (compress_float_constant): Add cost check.
2468 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
2470 2005-07-12 Dale Johannesen <dalej@apple.com>
2472 * gcc.target/i386/compress-float-sse.c: New.
2473 * gcc.target/i386/compress-float-sse-pic.c: New.
2474 * gcc.target/i386/compress-float-387.c: New.
2475 * gcc.target/i386/compress-float-387-pic.c: New.
2476 * gcc.dg/compress-float-ppc.c: New.
2477 * gcc.dg/compress-float-ppc-pic.c: New.
2479 2005-07-12 Eric Christopher <echristo@redhat.com>
2481 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2483 * config/s390/s390.md: Include tpf.md. Move tpf specific
2485 * config/s390/tpf.md: To here.
2486 * config/s390/s390.opt: Move tpf specific options...
2487 * config/s390/tpf.opt: to here. Add mmain option.
2488 * config/s390/tpf-unwind.h: Remove unnecessary defines.
2489 * config/s390/tpf.h: Rewrite.
2491 2005-07-12 Eric Christopher <echristo@redhat.com>
2493 * gcc.c (struct infile): Update comment for language.
2494 (main): Rewrite input file resetting code.
2496 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
2499 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
2500 requiring a cast in a non RHS of modify_expr. Add a cast when required.
2501 (lookup_avail_expr): Use constant_boolean_node instead
2502 of boolean_false_node/boolean_true_node.
2504 2005-07-12 Ben Elliston <bje@au.ibm.com>
2506 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
2507 and use it when printing num_edges.
2509 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
2511 * doc/extend.texi (Blackfin Built-in Functions): New section.
2512 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
2515 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
2517 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
2518 s/cmpstrsi/cmpstrnsi
2519 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
2521 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
2522 (init_optabs): Initialize cmpstrn_optab.
2523 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
2524 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
2525 * expr.c: (enum insn_code cmpstrn_optab): Declare.
2526 * config/i386/i386.md: s/cmpstr/cmpstrn
2527 * config/c4x/c4x.md: s/cmpstr/cmpstrn
2528 * doc/md.texi: Update documentation.
2530 2005-07-11 Richard Henderson <rth@redhat.com>
2532 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
2533 build_va_arg_indirect_ref.
2534 (alpha_gimplify_va_arg): Likewise.
2535 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2536 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2537 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
2538 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2539 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2540 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
2542 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2544 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
2546 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
2547 * passes.c (init_optimization_passes): Add pass_empty_loop.
2548 * tree-pass.h (pass_empty_loop): Declare.
2549 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
2550 try_remove_empty_loop, remove_empty_loops): New functions.
2551 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
2552 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
2554 2005-07-12 Peter Barada <peter@the-baradas.com>
2558 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
2559 in address registers.
2560 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
2561 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
2562 alternative of addsi3_5200.
2564 2005-07-11 Ian Lance Taylor <ian@airs.com>
2566 * config/mips/mips.md (ffs<mode>2): Remove.
2568 2005-07-11 Ian Lance Taylor <ian@airs.com>
2570 * doc/tree-ssa.texi (Cleanups): Improve description of
2572 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
2574 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
2576 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
2577 * tree.h (DECL_ARGUMENT_FLD): New macro.
2579 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
2581 Fix PR tree-optimization/22404
2583 * tree-ssa-structalias.c (create_variable_info_for): Use
2586 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
2588 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
2589 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
2590 for second comparison operand.
2591 * config/bfin/predicates.md (reg_or_const_int_operand): New.
2593 * config/bfin/bfin.md (define_attr "type"): Add "sync".
2594 (define_insn_reservation "alu"): Likewise.
2595 (csync, ssync): Now of type sync.
2596 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
2597 -mcsync-anomaly -mspecld-anomaly.
2598 * config/bfin/bfin.opt (mcsync): Remove.
2599 (mcsync-anomaly, mspecld-anomaly): Add.
2600 * config/bfin/bfin.c: Include "insn-codes.h".
2601 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
2602 (TARGET_DEFAULT_TARGET_FLAGS): New.
2603 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
2605 2005-07-11 Steven Bosscher <stevenb@suse.de>
2607 * basic-block.h: Give the BB flags enum a name, bb_flags.
2608 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
2609 * cfgcleanup.c (enum bb_flags): Remove here.
2610 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
2611 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
2612 (update_forwarder_flag): Likewise.
2613 (thread_jump): Likewise.
2614 (try_forward_edges): Likewise.
2615 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
2616 forwarder flags. Don't clear bb->aux for all basic blocks. Only
2617 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
2619 2005-07-11 Richard Guenther <rguenther@suse.de>
2621 * config/i386/i386.opt: New target option -msseregparm.
2622 * config/i386/i386.c (override_options): Error out for
2623 -msseregparm but no SSE support.
2624 (ix86_function_sseregparm): Check for global sseregparm.
2625 * doc/invoke.texi: Document -msseregparm.
2627 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2629 * config.gcc (m32r-*-linux*): Use the default extra_parts.
2630 (m32rle-*-linux*): Ditto.
2632 2005-07-11 Jakub Jelinek <jakub@redhat.com>
2634 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
2635 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
2638 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2642 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
2643 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
2645 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
2647 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
2648 (varmap): Heapify varmap.
2649 (constraints): Heapify constraints.
2650 (struct constraint_graph): Heapify succs and preds.
2651 (constraint_vec_find): Update for heapification.
2652 (constraint_set_union): Ditto.
2653 (insert_into_complex): Ditto.
2654 (constraint_edge_vec_find): Ditto.
2655 (erase_graph_self_edge): Ditto.
2656 (add_graph_edge): Ditto.
2657 (get_graph_weights): Ditto.
2658 (merge_graph_nodes): Ditto.
2659 (build_constraint_graph): Ditto.
2660 (topo_visit): Ditto.
2661 (solve_graph): Ditto.
2662 (create_variable_info_for): Ditto.
2663 (init_base_vars): Ditto.
2664 (delete_points_to_sets): Free graph, varmap, and complex constraints.
2665 (condese_varmap_nodes): Free complex vector.
2666 (clear_edges_for_node): Clear succs and preds vector.
2668 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
2670 * tree-ssa-structalias.c (update_alias_info): Change counting of
2671 references to not include vdefs.
2673 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
2675 * tree-ssa-alias.c (free_used_part_map): Add missing free.
2678 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2680 * pa.c (pa_commutative_p): Make PLUS commutative when
2681 TARGET_NO_SPACE_REGS is true.
2683 2005-07-09 Diego Novillo <dnovillo@redhat.com>
2685 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2686 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2687 * tree-dfa.c (dump_subvars_for): New.
2688 (debug_subvars_for): New.
2689 (dump_variable): Show subvariables if VAR has them.
2690 * tree-flow-inline.h (get_subvar_at): New.
2691 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2692 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2694 (struct subvar): Change fields offset and size to unsigned
2696 (dump_subvars_for): Declare.
2697 (debug_subvars_for): Declare.
2698 (get_subvar_at): Declare.
2699 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2700 to unsigned HOST_WIDE_INT *.
2701 (overlap_subvar): Likewise.
2702 * tree-gimple.c (is_gimple_reg): Always return false for
2703 SFTs and memory tags.
2704 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2706 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2707 (compute_may_aliases): Call compute_points_to_sets.
2708 (collect_points_to_info_for): Remove.
2709 (compute_points_to_and_addr_escape): Remove.
2710 (delete_alias_info): Call delete_points_to_sets.
2711 (compute_flow_sensitive_aliasing): If the call to
2712 find_what_p_points_to returns false, call set_pt_anything.
2713 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2714 (set_pt_anything): Clear pi->pt_vars.
2715 (set_pt_malloc): Remove.
2716 (merge_pointed_to_info): Remove.
2717 (add_pointed_to_expr): Remove.
2718 (add_pointed_to_var): Remove.
2719 (collect_points_to_info_r): Remove.
2720 (is_escape_site): Make extern.
2722 (create_overlap_variables_for): Call it.
2723 * tree-ssa-copy.c (merge_alias_info): Never merge
2724 flow-sensitive alias information.
2725 * tree-ssa-operands.c (get_expr_operands): Adjust variables
2726 offset and size to be unsigned HOST_WIDE_INT.
2727 (add_to_addressable_set): Rename from note_addressable.
2728 Set TREE_ADDRESSABLE as the variables are added to the set.
2730 (add_stmt_operand): Do not try to micro-optimize unmodifiable
2731 operands into VUSEs when adding V_MAY_DEFs for members in an
2733 * tree-ssa-operands.h (add_to_addressable_set): Declare.
2734 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2735 (struct variable_info): Add bitfield is_heap_var.
2736 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2737 (new_var_info): Initialize is_heap_var.
2738 (get_constraint_for): Add HEAP variables to the symbol table.
2739 Mark them with is_heap_var.
2740 (update_alias_info): New. Taken mostly from the old
2741 compute_points_to_and_addr_escape.
2742 (handle_ptr_arith): New.
2743 (find_func_aliases): Call update_alias_info.
2744 Call handle_ptr_info for tcc_binary expressions.
2745 Call mark_stmt_modified.
2746 (create_variable_info_for): If DECL has subvars, do not create
2747 variables for its subvars. Always add all the fields.
2748 (set_uids_in_ptset): If the solution includes ANYOFFSET and
2749 SFTs, then add all the SFTs of the structure.
2750 If VI->DECL is an aggregate with subvariables, add the SFT at
2752 (find_what_p_points_to): If VI is an artificial variable,
2753 translate to bitfields in SSA_NAME_PTR_INFO.
2754 If the solution is empty, set pi->pt_vars to NULL
2755 (init_base_vars): Create ANYOFFSET.
2756 (compute_points_to_sets): Rename from create_alias_vars.
2758 (pass_build_pta): Remove.
2759 (delete_points_to_sets): Rename from delete_alias_vars.
2760 (pass_del_pta): Remove.
2761 * tree-ssa-structalias.h (struct alias_info): Move from
2763 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2764 NUM_REFERENCES_SET): Likewise.
2765 (compute_points_to_sets, delete_points_to_sets): Declare.
2767 2005-07-09 Richard Henderson <rth@redhat.com>
2769 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2770 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2771 alpha_split_lock_test_and_set_12): New functions.
2772 * config/alpha/alpha-protos.h: Update.
2773 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2774 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2775 * config/alpha/sync.md (I12MODE): New.
2776 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2777 (sync_<fetchop_name><I48MODE>): Likewise.
2778 (sync_nand<I48MODE>): Likewise.
2779 (sync_old_<fetchop_name><I48MODE>): Likewise.
2780 (sync_new_<fetchop_name><I48MODE>): Likewise.
2781 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2782 (sync_compare_and_swap<I48MODE>): Likewise.
2783 (sync_lock_test_and_set<I48MODE>): Likewise.
2784 (sync_compare_and_swap<I12MODE>): New.
2785 (sync_compare_and_swap<I12MODE>_1): New.
2786 (sync_lock_test_and_set<I12MODE>): New.
2787 (sync_lock_test_and_set<I12MODE>_1): New.
2789 2005-07-09 Diego Novillo <dnovillo@redhat.com>
2793 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2795 2005-07-09 Jakub Jelinek <jakub@redhat.com>
2797 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2798 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2800 2005-07-09 Richard SAndiford <richard@codesourcery.com>
2803 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2805 2005-07-08 David Edelsohn <edelsohn@gnu.org>
2807 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2808 memory_operand constraint.
2809 (store_conditional_<mode>): Same.
2810 (sync_compare_and_swap<mode>): Same.
2811 (sync_lock_test_and_set<mode>): Same.
2813 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
2815 Rewrite PIC support to more closely model actual instructions.
2816 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2817 (cris_symbol): Remove prototypes for removed functions.
2818 (cris_pic_symbol_type_of, cris_valid_pic_const)
2819 (cris_expand_pic_call_address): Prototypes for new functions.
2820 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2822 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2824 <case ':'>: Add case for new punctuation character.
2825 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2826 emitting (extra) PIC modifier.
2827 <case UNSPEC>: Do not assert for PLT.
2828 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2829 (cris_expand_prologue, cris_expand_epilogue): Check
2830 for pic_offset_table_rtx usage instead of taking
2831 current_function_uses_pic_offset_table as the final word.
2832 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2833 Remove flag_pic difference.
2834 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2835 the moral equivalents of...
2836 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2838 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2839 (cris_handle_option): Mark ARG as unused.
2840 (cris_expand_pic_call_address): New worker function for "call",
2842 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2843 output PIC constructs here.
2844 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2845 as symbol-specific modifers, not whole or part of operands.
2846 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2847 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2848 constants and flag_pic.
2849 (CONSTANT_INDEX_P): Adjust for new functions.
2850 (enum cris_pic_symbol_type): New helper type.
2851 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2852 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2853 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2855 ("movsi"): Emit actual instructions for GOT and relative access.
2856 ("*movsi_got_load"): New pattern to set up the register holding
2858 ("*movsi_internal"): Operand 1 is not a plain general_operand.
2859 Adjust FIXME for 'S'.
2860 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2861 Use "movs" for -fpic cases.
2862 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2863 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2864 ("call", "call_value"): Just call cris_expand_pic_call_address for
2866 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2867 Remove special pattern.
2868 ("*expanded_call_side", "*expanded_call_value_side"): New
2870 (gotplt-to-plt, gotplt-to-plt-side-call)
2871 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2873 * config/cris/cris/predicates.md
2874 ("cris_general_operand_or_gotless_symbol"): Remove unused
2876 ("cris_general_operand_or_symbol"): Adjust for new functions.
2878 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2880 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2882 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
2884 * Makefile.in (TREE_H): Add treestruct.def.
2885 (c-decl.o): Add pointer-set.h
2886 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2887 visibility on regular DECL's.
2888 (merge_decls): Fix the copying of decl nodes of various types for
2889 the new structures. Don't update RTL, section name, weak status,
2890 etc, on DECL's without RTL.
2891 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2892 Don't check volatile on non-variable types.
2893 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2894 to check whether we have seen arguments.
2895 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2896 flag is checked before field (flag is common, field is not).
2897 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
2898 TS_DECL_COMMON could have an origin.
2899 (add_location_or_const_value_attribute): Don't check section name
2900 on non-var/function decls.
2901 (dwarf2out_var_location): Reverse order of tests.
2902 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2903 with DECL_WRTL_CHECK.
2904 * expmed.c (make_tree): rtl is now in decl_with_rtl.
2905 * fold-const.c (fold_binary): Don't check weakness on
2906 non-var/function decls.
2907 (tree_expr_nonzero_p): Ditto.
2908 (fold_checksum_tree): Use tree_decl_extra as sizeof
2910 * ggc-page.c (extra_order_size_table): Add sizes for
2911 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
2913 * gimplify.c (gimplify_bind_expr): Only set
2914 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2915 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2917 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2918 * langhooks.h (init_ts). New langhook.
2919 * passes.c (rest_of_decl_compilation): Reverse order of tests.
2920 * print-tree.c (print_node): Update to only print fields that
2921 exist in the structures the passed decl has.
2922 * toplev.c (wrapup_global_declarations): Don't reset
2923 DECL_DEFER_OUTPUT on DECL's that don't contain it.
2924 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2925 * tree-inline.c (remap_decl): Ditto.
2926 * tree-outof-ssa.c (create_temp): Reverse order of tests.
2927 * tree-pretty-print.c (print_declaration): Don't print
2928 DECL_REGISTER on things that don't contain it.
2929 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2930 non-var/function decls.
2931 * tree.c (tree_contains_struct): New structure.
2932 (init_priority_for_decl): New hashtable.
2933 (tree_int_map): New structure.
2934 (tree_int_map_eq): New function.
2935 (tree_int_map_marked_p): Ditto.
2936 (tree_int_map_hash): Ditto.
2937 (tree_map): Move to tree.h.
2938 (tree_map_eq): Externalize.
2939 (tree_map_hash): Ditto.
2940 (tree_map_marked_p): Ditto.
2941 (init_ttree): Set up tree_contains_struct and call langhook.
2942 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2943 (tree_code_size): Update for new structures.
2944 (tree_node_structure): Update for new structures.
2945 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2947 (copy_node_stat): Copy init priority.
2948 (build_decl_stat): Ditto for visibility.
2949 (ts_enum_names): New.
2950 (tree_contains_struct_check_failed): New function.
2951 (decl_init_priority_lookup): Ditto.
2952 (decl_init_priority_insert): Ditto.
2953 * treestruct.def: New file.
2954 * tree.h (CODE_CONTAINS_STRUCT): New macro.
2955 (CONTAINS_STRUCT_CHECK): Ditto.
2956 (tree_contains_struct_check_failed): New prototype.
2957 (DECL_CHECK): Removed.
2958 (DECL_MINIMAL_CHECK): New.
2959 (DECL_COMMON_CHECK): Ditto.
2960 (DECL_WRTL_CHECK): Ditto.
2961 (DECL_NON_COMMON_CHECK): Ditto.
2962 (DECL_WITH_VIS_CHECK): Ditto.
2963 (VAR_OR_FUNCTION_DECL_P): Ditto
2964 (struct tree_decl_minimal): New structure.
2965 (struct tree_decl_common): Ditto.
2966 (struct tree_decl_with_rtl): Ditto.
2967 (struct tree_decl_with_vis): Ditto.
2968 (struct tree_decl_non_common): Ditto.
2969 (struct tree_field_decl): Ditto.
2970 (struct tree_parm_decl): Ditto.
2971 (struct tree_var_decl): Ditto.
2972 (struct tree_function_decl): Ditto.
2973 (struct tree_const_decl): Ditto.
2974 (struct tree_result_decl): Ditto.
2975 (union tree_node): Add new structures.
2976 * var-tracking.c (track_expr_p): Reverse order of tests.
2978 * doc/c-tree.texi: Add documentation on DECL node internal structure.
2980 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
2982 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2983 * system.h: Poison FINALIZE_PIC.
2984 * doc/tm.texi (FINALIZE_PIC): Remove.
2986 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2989 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2990 to the correct type if we have a MODIFY_EXPR.
2992 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
2994 PR tree-optimization/22360
2995 * tree.c (upper_bound_in_type): Fix calculations for casting
2996 to a non-wider signed type and casting a signed value to a
2997 wider unsigned type.
2998 (lower_bound_in_type): Fix calculations for casting to a
2999 non-wider signed type.
3001 PR tree-optimization/20139
3002 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
3004 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
3005 fold_cond_expr_cond.
3006 * tree-ssanames.c (release_defs): Assert in_ssa_p.
3007 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
3009 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
3012 * tree-complex.c (expand_complex_libcall): Produce
3013 REALPART_EXPR/IMAGPART_EXPR with the correct type.
3015 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
3017 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
3018 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
3019 b" assert and inserted fastpath code for this case.
3020 (bitmap_ior): Removed "a != b" assert.
3022 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3024 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
3025 (ENDFILE_SPEC): Likewise.
3026 * config/m32r/m32r.h (ASM_SPEC): Likewise.
3028 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
3029 a large stack frame at epilogue.
3031 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
3033 * final.c: Include sdbout.h when required.
3035 2005-07-07 Geoffrey Keating <geoffk@apple.com>
3037 * config.gcc (*-*-darwin*): Only one target-specific header file
3039 (powerpc-*-darwin*): Add version-specific header files.
3040 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
3041 * config.in: Regenerate.
3042 * configure: Regenerate.
3043 * gcc.c: Include xregex.h.
3044 (version_compare_spec_function): New.
3045 (spec_function): Add version-compare.
3046 (replace_outfile_spec_function): Reformat comment.
3047 (compare_version_strings): New.
3048 * config/darwin-c.c (version_as_macro): New.
3049 (builtin_define): New.
3050 (darwin_cpp_builtins): New.
3051 * config/darwin-protos.h (darwin_cpp_builtins): New.
3052 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
3053 (LIB_SPEC): Make unconditional, update comment.
3054 (TARGET_C99_FUNCTIONS): Define.
3055 * config/darwin.opt: Sort.
3056 (mmacosx-version-min=): New.
3057 * config/darwin7.h: Delete.
3058 * config/darwin8.h: Delete.
3059 * config/i386/darwin.h (): Call darwin_cpp_builtins.
3060 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
3061 (TARGET_C99_FUNCTIONS): Define.
3062 * config/rs6000/darwin7.h: New.
3063 * config/rs6000/darwin8.h: New.
3064 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
3065 (-mmacosx-version-min): Document.
3067 2005-07-07 Ian Lance Taylor <ian@airs.com>
3069 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
3071 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
3074 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
3076 2005-07-07 Khem Raj <kraj@mvista.com>
3078 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
3079 in bytes, not words.
3081 2005-07-07 Paul Brook <paul@codesourcery.com>
3083 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
3084 DEFAULT_FUNCTION_ARG_PADDING to upward.
3086 2005-07-07 Richard Henderson <rth@redhat.com>
3088 * function.c (locate_and_pad_parm): Record parameter alignment in
3089 stack_alignment_needed.
3091 2005-07-07 David Edelsohn <edelsohn@gnu.org>
3093 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
3094 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
3095 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
3096 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
3097 (define_attr "type"): Add isync, sync, load_l, store_c.
3098 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
3099 Create scratch volatile MEM.
3100 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
3102 (load_locked_<mode>): New.
3103 (store_conditional_<mode>): New.
3104 (sync_compare_and_swap<mode>): Replace with splitter.
3105 (sync_lock_test_and_set<mode>): Replace with splitter.
3106 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
3108 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
3109 is ics. Attribute isync.
3110 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
3112 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
3113 and UNSPECV_SYNC_OP.
3114 (emit_unlikely_jump): New.
3115 (emit_load_locked): New.
3116 (emit_store_conditional): New.
3117 (rs6000_split_compare_and_swap): New.
3118 (rs6000_split_lock_test_and_set): New.
3119 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
3120 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
3121 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
3122 rs6000_split_lock_test_and_set): Declare.
3123 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
3124 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
3125 store_c, isync, sync.
3127 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
3129 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
3130 filenames to gtyp-gen.h.
3131 (s-typ-gen): Use it in place of for loops.
3133 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
3135 * hooks.c (hook_bool_rtx_int_false): New function.
3136 * hooks.h (hook_bool_rtx_int_false): Declare.
3137 * target-def.h (TARGET_COMMUTATIVE_P): Define.
3138 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
3139 * target.h (struct gcc_target): Add commutative_p member.
3140 * targhooks.c (hook_bool_rtx_commutative_p): New function.
3141 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
3142 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
3143 (pa_commutative_p): New function.
3144 * jump.c (target.h): Include.
3145 (rtx_renumbered_equal_p): Use targetm.commutative_p.
3146 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
3148 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
3150 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
3151 (s390_expand_setmem): New.
3152 * config/s390/s390.c: Likewise.
3153 (print_shift_count_operand): Truncate to 12 bits instead of 6.
3155 * config/s390/s390.md: ("setmem<mode>"): Accept character as
3156 general_operand. Call new function "s390_expand_setmem".
3157 ("clrmem_long", "*clrmem_long"): Rewrite to ...
3158 ("setmem_long", "*setmem_long"): ... this.
3160 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
3162 * config/s390/s390.c: (optimization_options): Enable
3163 TARGET_MVCLE at -Os.
3164 * doc/invoke.texi: Document changes in default behaviour.
3165 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
3167 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
3169 * expr.c: (set_storage_via_setmem): Convert opchar to mode
3170 defined by back-end.
3172 2005-07-07 Jakub Jelinek <jakub@redhat.com>
3174 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
3175 all sets in the pattern.
3176 * config/rs6000/rs6000.md (stack_protect_testsi,
3177 stack_protect_testdi): Likewise.
3179 2005-07-06 Jeff Law <law@redhat.com>
3181 * tree-vrp.c (simplify_using_ranges): Kill.
3182 (vrp_finalize): Remove call to simplify_using_ranges.
3183 (simplify_stmt_using_ranges): New function extracted from
3184 simplify_using_ranges.
3185 (simplify_div_or_mod_using_ranges): Likewise.
3186 (simplify_abs_using_ranges): Likewise.
3187 (simplify_cond_using_ranges): New function.
3188 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
3189 * tree-ssa-propagate.c (substitute_and_fold): Call
3190 simplify_stmt_using_ranges if we have range information.
3192 2005-07-06 James E. Wilson <wilson@specifixinc.com>
3194 * config/ia64/ia64.c (ia64_reorg): Check optimize before
3195 ia64_flag_schedule_isns2.
3197 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
3198 reading/writing general registers.
3199 (ia64_function_arg): Revert 2005-06-18 change.
3201 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
3203 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
3204 (legitimize_tls_address): Use gcc_unreachable instead of abort.
3206 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
3208 * function.c (expand_function_end): Revert part of 2005-06-27
3209 patch. Do sjlj_emit_function_exit_after after return_label.
3211 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
3213 * doc/install.texi (--disable-libssp): New.
3215 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
3217 * doc/invoke.texi: Update -fforce-mem documentation.
3218 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
3219 code for -fforce-mem.
3220 * expmed.c: (store_bit_field,store_fixed_bit_field,
3221 extract_bit_field): Ditto.
3222 * expr.c: (convert_move): Ditto.
3223 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
3224 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
3225 emit_conditional_add,expand_float,expand_fix): Ditto.
3226 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
3227 (common_handle_option): Issue warning when -fforce-mem specified.
3229 2005-07-06 Paul Brook <paul@codesourcery.com>
3231 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
3233 * configure: Regenerate.
3235 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
3237 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
3239 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
3241 Fix PR tree-optimization/22319
3242 Fix PR tree-optimization/22140
3243 Fix PR tree-optimization/22310
3245 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
3246 variable sized types.
3247 Use correct type for intermediate structure on *a = *b structure
3250 2005-07-06 Jakub Jelinek <jakub@redhat.com>
3252 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
3254 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
3255 (machine_function): Move typedef to...
3256 * config/rs6000/rs6000.c (machine_function): ... here. Add
3257 varargs_save_offset field.
3258 (rs6000_stack_t): Remove varargs_size field.
3259 (setup_incoming_varargs): Allocate varargs save area using
3260 assign_stack_local, try to make it as small as possible.
3261 Save offset from virtual_stack_vars_rtx to the save area
3262 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
3263 instead of magic 8 when fp word byte size is used.
3264 (rs6000_va_start): Use cfun->machine->varargs_save_offset
3265 instead of -RS6000_VARARGS_SIZE.
3266 (rs6000_stack_info, debug_stack_info,
3267 rs6000_initial_elimination_offset): Remove all traces of
3269 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
3270 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
3271 RS6000_VARARGS_AREA.
3273 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3275 PR tree-optimization/21963
3276 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
3277 constant_multiple_of in the same way get_computation_cost_at does.
3279 2005-07-06 Jakub Jelinek <jakub@redhat.com>
3281 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
3282 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
3283 (gen_compare_reg): If sparc_compare_emitted is set, clear it
3284 and return its previous value.
3285 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
3286 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
3288 (stack_protect_set, stack_protect_test): New expanders.
3289 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
3290 stack_protect_testdi): New insns.
3291 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3292 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
3294 2005-07-06 Jeff Law <law@redhat.com>
3296 * tree-ssa-dce.c (cfg_altered): New global.
3297 (tree_dce_init): Initialize cfg_altered.
3298 (remove_dead_stmt): If we remove an edge in the CFG, then set
3300 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
3303 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
3305 * Makefile.in (stamp-collect-ld): Use
3306 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
3307 ./collect-ld if it already exists.
3308 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
3309 Don't remove ./nm if it already exists.
3311 2005-07-05 Devang Patel <dpatel@apple.com>
3313 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
3314 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
3315 * tree-vectorizer.c (vect_loop_location): New.
3316 (vect_print_dump_info): Use vect_loop_location.
3317 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
3318 (vectorize_loops): Set vect_loop_location.
3319 * tree-vect-analyze.c (vect_analyze_offset_expr,
3320 vect_determin_vectorization_factor, vect_analyze_operations,
3321 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
3322 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
3323 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
3324 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
3325 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
3326 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
3327 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
3328 vect_analyze_loop): Adjust vect_print_dump_info API.
3329 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3330 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
3331 vect_finish_stmt_generation, vectorizable_assignment,
3332 vectorizable_operation, vectorizable_store, vectorizable_load,
3333 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
3334 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3335 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
3336 vect_transform_loop): Same.
3337 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
3338 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
3341 2005-07-05 Randolph Chung <tausq@debian.org>
3343 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
3344 * configure: Regenerate.
3345 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
3346 (pa_tls_referenced_p): Declare.
3347 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
3348 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
3349 (legitimize_tls_address): New.
3350 (hppa_legitimize_address): Handle TLS addresses.
3351 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
3352 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3353 (emit_move_sequence): Handle TLS addresses.
3354 (pa_encode_section_info): Call default handler to handle common
3356 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
3357 (CONSTANT_ADDRESS_P): Reject TLS operands.
3358 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
3359 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
3360 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
3361 (UNSPEC_TLSLE): Define new constants.
3362 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
3363 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
3364 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
3365 (tie_symbolic_operand, tle_symbolic_operand): New
3367 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
3369 * aclocal.m4: Update macros for autoconf 2.59 style.
3370 * configure.ac: Likewise.
3372 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3374 * pa.c (function_value): Handle small aggregates on 32-bit targets.
3375 (function_arg): Pass small aggregates in general registers on 32-bit
3377 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
3379 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
3381 * Makefile.in (final.o): Fix dependencies.
3383 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
3387 * langhooks.h (struct lang_hooks): Add expr_to_decl.
3388 * langhooks.c (lhd_expr_to_decl): New.
3389 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
3391 (LANG_HOOKS_INITIALIZER): Update.
3392 * tree.c (recompute_tree_invarant_for_addr_expr): Call
3393 expr_to_decl langhook.
3394 * c-tree.h (c_expr_to_decl): Declare.
3395 * c-typeck.c (c_expr_to_decl): New.
3396 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
3398 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
3400 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
3403 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
3404 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
3406 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
3408 * Makefile.in: Adjust dependencies.
3409 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
3410 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
3411 * alias.c (rest_of_handle_cfg, pass_cfg): New.
3412 * bb-reorder.c (duplicate_computed_gotos): Make it static.
3413 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
3414 rest_of_compilation.
3416 * bb-reorder.c (gate_duplicate_computed_gotos,
3417 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
3418 rest_of_handle_reorder_blocks, pass_reorder_blocks,
3419 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
3420 pass_partition_blocks): New.
3421 * bt-load.c (gate_handle_branch_target_load_optimize,
3422 rest_of_handle_branch_target_load_optimize,
3423 pass_branch_target_load_optimize): New.
3424 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
3426 * cfglayout.c (pass_insn_locators_initialize): New.
3427 * cfgrtl.c (pass_free_cfg): New.
3428 * combine.c (gate_handle_combine, rest_of_handle_combine,
3430 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
3431 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
3432 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
3433 * except.c (pass_set_nothrow_function_flags,
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